[RS6000] Fix ICE caused by rs6000_savres_strategy thinko
[official-gcc.git] / gcc / ChangeLog
blob6d8b0d620dec6ac7c0af3bf01f9dd87b8727a774
1 2016-05-03  Alan Modra  <amodra@gmail.com>
3         * config/rs6000/rs6000.c (rs6000_savres_strategy): Correct condition
4         for SAVE_MULTIPLE/STORE_MULTIPLE.
6 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
8         * config/i386/i386.md (*truncdfsf_mixed, *truncdfsf_i387,
9         *truncxfsf2_mixed, *truncxfdf2_mixed): Use v constraint instead
10         of x.
12 2016-05-03  Richard Biener  <rguenther@suse.de>
14         * gimplify.h (get_initialized_tmp_var): Add allow_ssa parameter
15         default true.
16         (gimplify_arg): Likewise.
17         * gimplify.c (gimplify_expr): Add overload with allow_ssa parameter,
18         re-writing the result to a decl if required.
19         (internal_get_tmp_var): Add allow_ssa parameter
20         and override into_ssa with it.
21         (get_formal_tmp_var): Adjust.
22         (get_initialized_tmp_var): Add allow_ssa parameter.
23         (gimplify_arg): Add allow_ssa parameter and avoid generating
24         SSA names for the result false.
25         (gimplify_call_expr): If the call may return twice do not
26         gimplify parameters into SSA.
27         (prepare_gimple_addressable): Do not allow an SSA name as
28         temporary.
29         (gimplify_modify_expr): Adjust assert.  For noreturn calls
30         with a SSA name LHS adjust its def.
31         (gimplify_save_expr): Do not allow an SSA name as save-expr
32         result.
33         (gimplify_one_sizepos): Do not allow an SSA name as a sizepos.
34         (gimplify_body): Init GIMPLE SSA data structures and gimplify
35         into-SSA.
36         (gimplify_scan_omp_clauses): Make sure OMP_CLAUSE_SIZE is not
37         an SSA name.  Likewise for OMP_CLAUSE_REDUCTION operands.
38         (gimplify_omp_for): Likewise for OMP_CLAUSE_DECL.  Likewise
39         for OMP_FOR_COND,  OMP_FOR_INCR and OMP_CLAUSE_LINEAR_STEP.
40         (optimize_target_teams): Do not allow SSA names for clause operands.
41         (gimplify_expr): Likewise for where we mark the result addressable.
42         * passes.def (pass_init_datastructures): Remove.
43         * tree-into-ssa.c (mark_def_sites): Ignore existing SSA names.
44         (rewrite_stmt): Likewise.
45         * tree-inline.c (initialize_cfun): Properly transfer SSA state.
46         (replace_locals_op): Replace SSA names.
47         (copy_gimple_seq_and_replace_locals): Init src_cfun.
48         * gimple-low.c (lower_builtin_setjmp): Deal with SSA.
49         * cgraph.c (release_function_body): Free CFG annotations only
50         when we have a CFG.  Simplify.
51         * gimple-fold.c (gimplify_and_update_call_from_tree): Use
52         force_gimple_operand instead of get_initialized_tmp_var.
53         * tree-pass.h (make_pass_init_datastructures): Remove.
54         * tree-ssa.c (execute_init_datastructures): Remove.
55         (pass_data_init_datastructures): Likewise.
56         (class pass_init_datastructures): Likewise.
57         (make_pass_init_datastructures): Likewise.
58         * omp-low.c (create_omp_child_function): Init SSA data structures.
59         (grid_expand_target_grid_body): Likewise.
60         * tree-cfg.c (move_block_to_fn): Double-check the DEF is an SSA
61         name before adding it to names_to_release.
62         (remove_bb): Always release SSA defs.
63         * tree-ssa-ccp.c (get_default_value): Check SSA_NAME_VAR
64         before dereferencing it.
65         * cgraphunit.c (init_lowered_empty_function): Always
66         int SSA data structures.
67         * tree-ssanames.c (release_defs): Remove assert that we are in
68         SSA form.
69         * trans-mem.c (diagnose_tm_1): Handle SSA name function.
71 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
72             Uros Bizjak  <ubizjak@gmail.com>
74         PR rtl-optimization/70467
75         * config/i386/predicates.md (x86_64_hilo_int_operand,
76         x86_64_hilo_general_operand): New predicates.
77         * config/i386/constraints.md (Wd): New constraint.
78         * config/i386/i386.md (mode attr di): Use Wd instead of e.
79         (general_hilo_operand): New mode attr.
80         (add<mode>3, sub<mode>3): Use <general_hilo_operand>
81         instead of <general_operand>.
82         (*add<dwi>3_doubleword, *sub<dwi>3_doubleword): Use
83         x86_64_hilo_general_operand instead of <general_operand>.
85 2016-05-03  Jakub Jelinek  <jakub@redhat.com>
87         PR tree-optimization/70916
88         * tree-if-conv.c (constant_or_ssa_name): Removed.
89         (fold_build_cond_expr): Use is_gimple_val instead of
90         constant_or_ssa_name.
92         PR tree-optimization/70916
93         * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Give up
94         if COND_EXPR rhs1 is neither SSA_NAME nor COMPARISON_CLASS_P.
96         PR target/49244
97         * tree-ssa-ccp.c: Include stor-layout.h and optabs-query.h.
98         (optimize_atomic_bit_test_and): New function.
99         (pass_fold_builtins::execute): Use it.
100         * optabs.def (atomic_bit_test_and_set_optab,
101         atomic_bit_test_and_complement_optab,
102         atomic_bit_test_and_reset_optab): New optabs.
103         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET,
104         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_BIT_TEST_AND_RESET): New ifns.
105         * builtins.h (expand_ifn_atomic_bit_test_and): New prototype.
106         * builtins.c (expand_ifn_atomic_bit_test_and): New function.
107         * internal-fn.c (expand_ATOMIC_BIT_TEST_AND_SET,
108         expand_ATOMIC_BIT_TEST_AND_COMPLEMENT,
109         expand_ATOMIC_BIT_TEST_AND_RESET): New functions.
110         * doc/md.texi (atomic_bit_test_and_set@var{mode},
111         atomic_bit_test_and_complement@var{mode},
112         atomic_bit_test_and_reset@var{mode}): Document.
113         * config/i386/sync.md (atomic_bit_test_and_set<mode>,
114         atomic_bit_test_and_complement<mode>,
115         atomic_bit_test_and_reset<mode>): New expanders.
116         (atomic_bit_test_and_set<mode>_1,
117         atomic_bit_test_and_complement<mode>_1,
118         atomic_bit_test_and_reset<mode>_1): New insns.
120 2016-05-03  Richard Sandiford  <richard.sandiford@arm.com>
122         PR rtl-optimization/70687
123         * combine.c (change_zero_ext): Check for scalar modes.  Use wide_int
124         instead of unsigned HOST_WIDE_INT.
126 2016-05-03  Bernd Schmidt  <bschmidt@redhat.com>
128         PR rtl-optimization/44281
129         * hard-reg-set.h (struct target_hard_regs): New field
130         x_fixed_nonglobal_reg_set.
131         (fixed_nonglobal_reg_set): New macro.
132         * reginfo.c (init_reg_sets_1): Initialize it.
133         * ira.c (setup_alloc_regs): Use fixed_nonglobal_reg_set instead
134         of fixed_reg_set.
135         * df-scan.c (df_insn_refs_collect): Asms may reference global regs.
137 2016-05-03  bin cheng  <bin.cheng@arm.com>
139         PR tree-optimization/56541
140         * doc/invoke.texi (@item max-tree-if-conversion-phi-args): New item.
141         * params.def (PARAM_MAX_TREE_IF_CONVERSION_PHI_ARGS): new param.
142         * tree-if-conv.c (MAX_PHI_ARG_NUM): new macro.
143         (any_complicated_phi): new static variable.
144         (aggressive_if_conv): delete.
145         (if_convertible_phi_p): support phis with more than two arguments.
146         (if_convertible_bb_p): remvoe check on aggressive_if_conv and
147         critical pred edges.
148         (ifcvt_split_critical_edges): support phis with more than two
149         arguments by checking new parameter.  only split critical edges
150         if needed.
151         (tree_if_conversion): handle simd pragma marked loop using new
152         local variable aggressive_if_conv.  check any_complicated_phi.
154 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
156         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Check depends_on
157         before using it.
159 2016-05-03  Bin Cheng  <bin.cheng@arm.com>
161         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Don't clobber
162         cbase.
164 2016-05-03  Oleg Endo  <olegendo@gcc.gnu.org>
166         * config/sh/sh.md (udivsi3, divsi3, mulsi3): Simplify.
167         (mulhisi3, umulhisi3, (smulsi3_highpart, umulsi3_highpart): Convert to
168         define_insn_and_split.
169         (mulsi3_i): New define_insn_and_split.
170         (mulsi3_call): Convert to define_insn.
171         (mulsidi3, mulsidi3_compact, umulsidi3, umulsidi3_compact):
172         Remove constraints.
174 2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
176         * machmode.h (mode_complex): Add support to give the complex mode
177         for a given mode.
178         (GET_MODE_COMPLEX_MODE): Likewise.
179         * stor-layout.c (layout_type): For COMPLEX_TYPE, use the mode
180         stored by build_complex_type and gfc_build_complex_type instead of
181         trying to figure out the appropriate mode based on the size. Raise
182         an assertion error, if the type was not set.
183         * genmodes.c (struct mode_data): Add field for the complex type of
184         the given type.
185         (blank_mode): Likewise.
186         (make_complex_modes): Remember the complex mode created in the
187         base type.
188         (emit_mode_complex): Write out the mode_complex array to map a
189         type mode to the complex version.
190         (emit_insn_modes_c): Likewise.
191         * tree.c (build_complex_type): Set the complex type to use before
192         calling layout_type.
193         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs_internal): Add
194         support for __float128 complex datatypes.
195         (rs6000_hard_regno_mode_ok): Likewise.
196         (rs6000_setup_reg_addr_masks): Likewise.
197         (rs6000_complex_function_value): Likewise.
198         * config/rs6000/rs6000.h (FLOAT128_IEEE_P): Likewise.
199         __float128 and __ibm128 complex.
200         (FLOAT128_IBM_P): Likewise.
201         (ALTIVEC_ARG_MAX_RETURN): Likewise.
202         * doc/extend.texi (Additional Floating Types): Document that
203         -mfloat128 must be used to enable __float128.  Document complex
204         __float128 and __ibm128 support.
206 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
208         PR target/49244
209         * gimple.c (gimple_builtin_call_types_compatible_p): Allow
210         char/short arguments promoted to int because of promote_prototypes.
212 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
214         * config/i386/predicates.md (register_ssemem_operand): New predicate.
215         * config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>): Merge from
216         *cmpi<FPCMP:unord><MODEF:mode>_mixed and
217         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.  Disable unsupported
218         alternatives using "enabled" attribute.  Use register_ssemem_operand
219         as operand 1 predicate.
220         (*cmpi<unord>xf_i387): Split XFmode pattern from
221         *cmpi<FPCMP:unord><X87MODEF:mode>_i387.
222         (*absneg<mode>2): Merge from *absneg<mode>2_mixed and
223         *absneg<mode>2_i387.  Disable unsupported alternatives using
224         "enabled" attribute.
225         (*absnegxf2_i387): Split XFmode pattern from *absneg<mode>2_i387.
227 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
229         * omp-low.c (lower_oacc_head_tail): Assert there is at least one
230         marker.
231         (oacc_loop_process): Check mask for loop termination.
233 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
235         * cif-code.def (CIF_THUNK): Add.
236         * ipa-inline-analsysis.c (evaluate_conditions_for_known_args): Revert
237         accidental change.
239 2016-05-02  Jan Hubicka  <hubicka@ucw.cz>
241         * ipa-inline-analysis.c (reset_inline_summary): Clear fp_expressions
242         (dump_inline_summary): Dump it.
243         (fp_expression_p): New predicate.
244         (estimate_function_body_sizes): Use it.
245         (inline_merge_summary): Merge fp_expressions.
246         (inline_read_section): Read fp_expressions.
247         (inline_write_summary): Write fp_expressions.
248         * ipa-inline.c (can_inline_edge_p): Permit inlining across fp math
249         codegen boundary if either caller or callee is !fp_expressions.
250         * ipa-inline.h (inline_summary): Add fp_expressions.
251         * ipa-inline-transform.c (inline_call): When inlining !fp_expressions
252         to fp_expressions be sure the fp generation flags are updated.
254 2016-05-02  Jakub Jelinek  <jakub@redhat.com>
256         PR rtl-optimization/70467
257         * cse.c (cse_insn): Handle no-op MEM moves after folding.
259         PR rtl-optimization/70467
260         * ipa-pure-const.c (check_call): Handle internal calls even in
261         ipa mode like in local mode.
263 2016-05-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
265         * doc/install.texi: Document supported in-tree gmp/mpfr/mpc versions.
267 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
269         * match.pd (X u< X, X u> X): New transformations.
271 2016-05-02  Marc Glisse  <marc.glisse@inria.fr>
273         * flag-types.h (enum warn_strict_overflow_code): Move ...
274         * coretypes.h: ... here.
275         * fold-const.h (fold_overflow_warning): Declare.
276         * fold-const.c (fold_overflow_warning): Make non-static.
277         (fold_comparison): Move the transformation of X +- C1 CMP C2
278         into X CMP C2 -+ C1 ...
279         * match.pd: ... here.
280         * gimple-fold.c (fold_stmt_1): Protect with
281         fold_defer_overflow_warnings.
283 2016-05-02  Nathan Sidwell  <nathan@codesourcery.com>
285         * omp-low.c (struct oacc_loop): Add 'inner' field.
286         (new_oacc_loop_raw): Initialize it to zero.
287         (oacc_loop_fixed_partitions): Initialize it.
288         (oacc_loop_auto_partitions): Partition outermost loop to outermost
289         available partitioning.
291 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
293         * config/arc/arc.md (mulsidi3): Change operand 0 predicate to
294         register_operand.
295         (umulsidi3): Likewise.
296         (indirect_jump): Fix jump instruction assembly patterns.
298 2016-05-02  Thomas Schwinge  <thomas@codesourcery.com>
300         PR target/70860
301         * config/nvptx/nvptx.c (nvptx_libcall_value): Handle NULL cfun.
302         (nvptx_function_value): Assert non-NULL cfun.
304 2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>
306         PR rtl-optimization/70886
307         * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.
309         * cselib.h (rtx_equal_for_cselib_1): Declare.
310         (rtx_equal_for_cselib_p: New inline function.
311         * cselib.c (rtx_equal_for_cselib_p): Delete.
312         (rtx_equal_for_cselib_1): Make public.
314 2016-05-02  Uros Bizjak  <ubizjak@gmail.com>
316         * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
317         (register_mixssei387nonimm_operand): Remove predicate.
318         * config/i386/i386.md (*fop_<mode>_comm): Merge from
319         *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
320         alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
321         for TARGET_MIX_SSE_I387 alternatives.
322         (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
323         Disable unsupported alternatives using "enabled" attribute.  Use
324         nonimm_ssenomem_operand as operand 1 predicate.  Also check
325         X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
327 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
329         * tree.c (cst_and_fits_in_hwi): Simplify.
331 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
333         * tree.h (wi::to_wide): New function.
334         * expr.c (expand_expr_real_1): Use wi::to_wide.
335         * fold-const.c (int_const_binop_1): Likewise.
336         (extract_muldiv_1): Likewise.
338 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
340         * wide-int.h: Update offset_int and widest_int documentation.
341         (WI_SIGNED_SHIFT_RESULT): New macro.
342         (wi::binary_shift): Define signed_shift_result_type for
343         shifts on offset_int- and widest_int-like types.
344         (generic_wide_int): Support <<= and >>= if << and >> are supported.
345         * tree.h (int_bit_position): Use shift operators instead of wi::
346          shifts.
347         * alias.c (adjust_offset_for_component_ref): Likewise.
348         * expr.c (get_inner_reference): Likewise.
349         * fold-const.c (fold_comparison): Likewise.
350         * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
351         * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
352         * tree-dfa.c (get_ref_base_and_extent): Likewise.
353         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
354         (stmt_kills_ref_p): Likewise.
355         * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
356         * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
357         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
358         (ao_ref_init_from_vn_reference): Likewise.
360 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
362         * wide-int.h: Update offset_int and widest_int documentation.
363         (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
364         (wi::binary_traits): Allow ordered comparisons between offset_int and
365         offset_int, between widest_int and widest_int, and between either
366         of these types and basic C types.
367         (operator <, <=, >, >=): Define for the same combinations.
368         * tree.h (tree_int_cst_lt): Use comparison operators instead
369         of wi:: comparisons.
370         (tree_int_cst_le): Likewise.
371         * gimple-fold.c (fold_array_ctor_reference): Likewise.
372         (fold_nonarray_ctor_reference): Likewise.
373         * gimple-ssa-strength-reduction.c (record_increment): Likewise.
374         * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
375         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
376         * tree-sra.c (completely_scalarize): Likewise.
377         * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
378         * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
379         * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
380         (check_for_binary_op_overflow): Likewise.
381         (search_for_addr_array): Likewise.
382         * ubsan.c (ubsan_expand_objsize_ifn): Likewise.
384 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
386         * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
387         (arc_save_restore): Likewise.
388         (arc_dwarf_register_span): Likewise.
389         (arc_output_pic_addr_const): Initialize suffix variable.
391 2016-05-02  Martin Liska  <mliska@suse.cz>
393         * symbol-summary.h (function_summary::function_summary):
394         Remove checking assert for all cgraph nodes.
395         (function_summary::get): Check summary_uid.
396         (symtab_insertion): Check summary_uid.
398 2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>
400         * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
401         * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
402         bmaskn instruction.
403         (arc_dwarf_register_span): Remove enum keyword.
404         (compact_memory_operand_p): New function.
405         * config/arc/arc.h (reg_class): Add code density register classes.
406         (REG_CLASS_NAMES): Likewise.
407         (REG_CLASS_CONTENTS): Likewise.
408         * config/arc/arc.md (*movqi_insn): Add code density instructions.
409         (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
410         (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
411         (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
412         * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
413         constraints.
414         (h, Rcd, Rsd, Rzd): New register constraints.
415         (T): Use compact_memory_operand_p function.
416         * config/arc/predicates.md (compact_load_memory_operand): Remove.
418 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
420         * config/sh/sh.md (*negnegt, *movtt): Remove.
422 2016-05-02  Marek Polacek  <polacek@redhat.com>
423             Tom de Vries  <tom@codesourcery.com>
425         PR tree-optimization/70700
426         * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
427         bigger than FIRST_REF_NODE.
429 2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>
431         PR target/52898
432         * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
433         TARGET_CMPEQDI_T.
434         (prepare_cbranch_operands): Don't use scratch register.  Assume that
435         function is used when pseudos can be created.
436         (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
437         * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
438         (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
439         define_expand.  Allow it only when pseudos can be created.
440         * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.
442 2016-05-01  Uros Bizjak  <ubizjak@gmail.com>
444         * config/i386/constraints.md (BC): Only allow -1 operands.
445         * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
446         Add "enabled" attribute.  Update XI mode attribute calculation.
447         * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
448         (*movoi_internal_avx): Update XI mode attribute calculation.
449         (*movti_internal): Ditto.
451 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
453         * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
454         cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.
456 2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>
458         * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
459         statement on instruction code.  Remove trailing spaces.
460         (altivec_expand_stv_builtin): Likewise.
462 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
464         * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
465         (TARGET_FPU_DOUBLE): Simplify.
466         (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
467         'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
468         * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
469         with 'TARGET_FPU_DOUBLE'.
470         * config/sh/sh.md: Likewise.
472 2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>
474         * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
475         SH_DIV_STR_FOR_SIZE): Remove.
476         * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
477         SH_DIV_STR_FOR_SIZE): Remove.
479 2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>
481         * config/sh/predicates.md (any_register_operand, zero_extend_operand,
482         logical_reg_operand): Delete.
483         (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
484         arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
485         logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
486         match_operand and match_test.
487         (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
488         variables on their first use.  Return bool values.
489         * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
490         * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
491         arith_reg_operand for input operand.  Remove empty constraints.
492         (xorsi3): Delete.
493         (*xorsi3_compact): Rename to xorsi3.
494         (zero_extend<mode>si2): Use arith_reg_operand for input operand.
495         (*zero_extend<mode>si2_disp_mem): Update comment.
496         (mov_nop): Delete.
498 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
500         * config/sh/t-sh: Remove SH5 support.
501         * config.gcc: Likewise.
502         * configure: Likewise.
504 2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
506         * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.
508 2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>
510         * config/sh/sh.c (register_sh_passes, sh_option_override,
511         sh_print_operand, prepare_move_operands,
512         sh_can_follow_jump): Remove TARGET_SH1 checks.
513         * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
514         PROMOTE_MODE): Likewise.
515         * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
516         movdi): Likewise.
518 2016-04-30  Alan Modra  <amodra@gmail.com>
520         * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
521         restoring when fixed_reg_p, but allow out-of-line or stmw save.
522         Check for user regs later to avoid unnecessary looping over regs.
523         Merge user reg check with non-saved reg check.  Don't force
524         inline VR restore when static chain used.
525         (rs6000_frame_related): Omit eh_frame info for user regs when
526         saving.
527         (fixed_regs_p): Delete.
529 2016-04-30  Alan Modra  <amodra@gmail.com>
531         * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
532         (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
533         Update all uses.
535 2016-04-30  Alan Modra  <amodra@gmail.com>
537         PR target/69645
538         * config/rs6000/rs6000.c (fixed_reg_p): New function.
539         (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
540         Update all uses.
542 2016-04-30  Alan Modra  <amodra@gmail.com>
544         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
545         Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
546         flag_pic test for Darwin.
548 2016-04-30  Alan Modra  <amodra@gmail.com>
550         * regs.h (struct reg_info_t): Delete freq_calls_crossed and
551         throw_calls_crossed.
552         (REG_FREQ_CALLS_CROSSED): Delete.
553         (REG_N_THROWING_CALLS_CROSSED): Delete.
554         * regstat.c (regstat_bb_compute_ri): Don't calculate
555         REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
556         (dump_reg_info): Don't print call cross frequency.
557         * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
558         and REG_N_THROWING_CALLS_CROSSED.
560 2016-04-30  Alan Modra  <amodra@gmail.com>
562         * regs.h (struct reg_info_t): Delete live_length.
563         (REG_LIVE_LENGTH): Delete macro.
564         * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
565         local_live, local_processed and local_live_last_luid params.
566         Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
567         Formatting fixes.
568         (regstat_compute_ri): Adjust for above.  Don't set
569         REG_LIVE_LENGTH.
570         (dump_reg_info): Don't print live length.
571         * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
572         with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
573         Localize loop_depth var.
575 2016-04-30  Alan Modra  <amodra@gmail.com>
577         * ira.c (enum valid_equiv): New.
578         (validate_equiv_mem): Return enum.
579         (update_equiv_mem): Create replacement in more cases.
580         (add_store_equivs): Update validate_equiv_mem call.
582 2016-04-30  Alan Modra  <amodra@gmail.com>
584         * ira.c (combine_and_move_insns): Rather than scanning insns,
585         use DF infrastucture to find use and def insns.
587 2016-04-30  Alan Modra  <amodra@gmail.com>
589         ira.c (combine_and_move_insns): Move invariant conditions..
590         (ira.c): ..to here.  Call combine_and_move_insns before
591         add_store_equivs.  Call grow_reg_equivs later.  Allocate
592         req_equiv later using max_reg_num() rather than global max_regno.
593         (contains_replace_regs): Delete.
594         (add_store_equivs): Remove contains_replace_regs test.
596 2016-04-30  Alan Modra  <amodra@gmail.com>
598         * ira.c (struct equiv_mem_data): New.
599         (equiv_mem, equiv_mem_modified): Delete static vars.
600         (validate_equiv_mem_from_store): Use "data" param to communicate..
601         (validate_equiv_mem): ..from here.
603 2016-04-30  Alan Modra  <amodra@gmail.com>
605         * ira.c (add_store_equivs, combine_and_move_insns): New functions,
606         split out from..
607         (update_reg_equivs): ..here.  Move allocation and freeing of
608         reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
609         end_alias_analysis to..
610         (ira): ..here.
612 2016-04-30  Alan Modra  <amodra@gmail.com>
614         * ira.c (pdx_subregs): Delete.
615         (struct equivalence): Add pdx_subregs field.
616         (set_paradoxical_subreg): Remove pdx_subregs param.  Update
617         pdx_subregs access.
618         (update_equiv_regs): Don't create or free pdx_subregs.  Update
619         pdx_subregs access.
621 2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
623         * config/rs6000/altivec.h: Change definitions of vec_xl and
624         vec_xst.
625         * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
626         (LD_ELEMREV_V2DI): New.
627         (LD_ELEMREV_V4SF): New.
628         (LD_ELEMREV_V4SI): New.
629         (LD_ELEMREV_V8HI): New.
630         (LD_ELEMREV_V16QI): New.
631         (ST_ELEMREV_V2DF): New.
632         (ST_ELEMREV_V2DI): New.
633         (ST_ELEMREV_V4SF): New.
634         (ST_ELEMREV_V4SI): New.
635         (ST_ELEMREV_V8HI): New.
636         (ST_ELEMREV_V16QI): New.
637         (XL): New.
638         (XST): New.
639         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
640         descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
641         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
642         TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
643         (altivec_expand_builtin): Add handling for
644         VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
645         (rs6000_invalid_builtin): Add error-checking for
646         RS6000_BTM_P9_VECTOR.
647         (altivec_init_builtins): Define builtins used to implement vec_xl
648         and vec_xst.
649         (rs6000_builtin_mask_names): Define power9-vector.
650         * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
651         (RS6000_BTM_P9_VECTOR): Define.
652         (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
653         * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
654         (vsx_ld_elemrev_v2df): Likewise.
655         (vsx_ld_elemrev_v4sf): Likewise.
656         (vsx_ld_elemrev_v4si): Likewise.
657         (vsx_ld_elemrev_v8hi): Likewise.
658         (vsx_ld_elemrev_v16qi): Likewise.
659         (vsx_st_elemrev_v2df): Likewise.
660         (vsx_st_elemrev_v2di): Likewise.
661         (vsx_st_elemrev_v4sf): Likewise.
662         (vsx_st_elemrev_v4si): Likewise.
663         (vsx_st_elemrev_v8hi): Likewise.
664         (vsx_st_elemrev_v16qi): Likewise.
665         * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
666         grammar.
668 2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>
670         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
671         out into ...
672         (simplify_control_stmt_condition_1): ... here.  Recurse into
673         BIT_AND_EXPRs and BIT_IOR_EXPRs.
675 2016-04-29  David Edelsohn  <dje.gcc@gmail.com>
677         PR target/69810
678         * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
679         (zero_extendqi<mode>2_dot): Revert earlier conversion from
680         define_insn_and_split to define_insn.
681         (zero_extendqi<mode>2_dot2): Same.
682         (extendqi<mode>2_dot): Same.
683         (extendqi<mode>2_dot2): Same.
685 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
687         * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
688         (probe_stack): New expander.
689         (probe_stack_<mode>): New insn pattern.
691 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
693         * config/i386/i386.md
694         (operations with memory inputs setting flags peephole2):
695         Remove uneeded REG_P checks.  Cleanup pattern generation.
697 2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>
699         * tree-vect-loop.c (vect_transform_loop): Fix
700         nb_iterations_upper_bound computation for vectorized loop.
702 2016-04-29  Marek Polacek  <polacek@redhat.com>
703             Jakub Jelinek  <jakub@redhat.com>
705         PR sanitizer/70342
706         * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
707         TARGET_EXPR_SLOT as a base.
709 2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>
711         * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
712         with 'rCm2' constraints to limit possible immediate size.
713         (*load_zeroextendqisi_update): Likewise.
714         (*load_signextendqisi_update): Likewise.
715         (*loadhi_update): Likewise.
716         (*load_zeroextendhisi_update): Likewise.
717         (*load_signextendhisi_update): Likewise.
718         (*loadsi_update): Likewise.
719         (*loadsf_update): Likewise.
721 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
723         * config/i386/predicates.md (constm1_operand): Fix comparison.
725 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
727         * testsuite/gcc.target/arc/ieee_eq.c: New test.
729 2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>
731         * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
732         remaining SH5 related settings.
733         * config/sh/sh-protos.h (shmedia_cleanup_truncate,
734         shmedia_prepare_call_address): Delete.
735         * config/sh/sh.c (sh_print_operand, output_stack_adjust,
736         DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
737         * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
738         UNSUPPORTED_SH2A): Remove m5 checks.
739         (sh_divide_strategy_e): Remove SH5 division strategies.
740         (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
741         * config/sh/sh.md (divsf3): Reinstate define_expand pattern.
743 2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
745         * config/s390/s390.c (s390_rtx_costs): Update documentation.
747 2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
749         * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
750         * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
751         Change lder to ldr.
752         * config/s390/vector.md ("mov<mode>"): Likewise.
754 2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>
756         * config/s390/constraints.md ("U", "W"): Invoke
757         s390_mem_constraint with "ZR" and "ZT".
758         * config/s390/s390.c (s390_check_qrst_address): Reject invalid
759         addresses when using LRA.  Accept also short displacements for S
760         and T constraints.  Do not check for long displacement target for
761         S and T constraints.
762         (s390_mem_constraint): Remove handling of U and W constraints.
763         * config/s390/s390.md (various patterns): Remove the short
764         displacement constraints (Q and R) if a long displacement
765         constraint is present.  Add longdisp as required CPU capability.
766         * config/s390/vector.md: Likewise.
767         * config/s390/vx-builtins.md: Likewise.
769 2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
771         PR target/60040
772         * reload1.c (reload): Call finish_spills before
773         restarting reload loop. Skip select_reload_regs
774         if update_eliminables_and_spill returns true.
776 2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>
778         * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
779         * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
780         (umulhisi3_imm): Update predicates and constraint letters.
781         (umulhisi3_reg): Declare instruction as commutative.
782         * config/arc/constraints.md (J12, J16): New constraints.
783         * config/arc/predicates.md (short_unsigned_const_operand): New
784         predicate.
785         (arc_short_operand): Likewise.
786         * testsuite/gcc.target/arc/umulsihi3_z.c: New file.
788 2016-04-29  Richard Biener  <rguenther@suse.de>
790         PR tree-optimization/13962
791         PR tree-optimization/65686
792         * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
793         * tree-ssa-alias.c (ptrs_compare_unequal): New function
794         using PTA to compare pointers.
795         * match.pd: Add pattern for pointer equality compare simplification
796         using ptrs_compare_unequal.
798 2016-04-29  Richard Biener  <rguenther@suse.de>
800         * stor-layout.c (layout_type): Do not build a pointer-to-element
801         type for arrays.
803 2016-04-29  Uros Bizjak  <ubizjak@gmail.com>
805         * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
806         Use SWI mode iterator.  Use general_reg_operand predicate.
807         (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
808         peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
809         predicates.
811 2016-04-29  Jakub Jelinek  <jakub@redhat.com>
813         PR middle-end/70843
814         * fold-const.c (operand_equal_p): Don't verify hash value equality
815         if arg0 == arg1.
816         * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
817         and OMP_CLAUSE.
819 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
821         PR target/70858
822         * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
823         to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
824         (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
825         __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
826         __builtin_ia32_pdep_di and __builtin_ia32_pext_di.
828 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
830         * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
831         to info.  Don't initialize separate fields to 0.  Clean up
832         formatting a bit.
834 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
836         * config/i386/i386.md (peephole2s for operations with memory inputs):
837         Use SWI mode iterator.
838         (peephole2s for operations with memory outputs): Ditto.
839         Do not check for stack checking probe.
841         (probe_stack): Remove expander.
843 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
844             Andrew Burgess  <andrew.burgess@embecosm.com>
846         * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
847         operands as 32-bits.
849 2016-04-28  Jason Merrill  <jason@redhat.com>
851         * gdbinit.in: Skip line-map.h.
853 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
854             Andrew Burgess  <andrew.burgess@embecosm.com>
856         * config/arc/arc.c (arc_conditional_register_usage): Take
857         TARGET_RRQ_CLASS into account.
858         (arc_print_operand): Support printing 'p' and 's' operands.
859         * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
860         as 0.
861         (TARGET_RRQ_CLASS): Define.
862         (IS_POWEROF2_OR_0_P): Define.
863         * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
864         alternatives.
865         (*tst_movb): New define_insn.
866         (*tst): Avoid recognition if it could prevent '*tst_movb'
867         combination; replace c/CnL with c/Chs alternative.
868         (*tst_bitfield_tst): New define_insn.
869         (*tst_bitfield_asr): New define_insn.
870         (*tst_bitfield): New define_insn.
871         (andsi3_i): Add Rrq variant.
872         (extzv): New define_expand.
873         (insv): New define_expand.
874         (*insv_i): New define_insn.
875         (*movb): New define_insn.
876         (*movb_signed): New define_insn.
877         (*movb_high): New define_insn.
878         (*movb_high_signed): New define_insn.
879         (*movb_high_signed + 1): New define_split pattern.
880         (*mrgb): New define_insn.
881         (*mrgb + 1): New define_peephole2 pattern.
882         (*mrgb + 2): New define_peephole2 pattern.
883         * config/arc/arc.opt (mbitops): New option for nps400, uses
884         TARGET_NPS_BITOPS_DEFAULT.
885         * config/arc/constraints.md (q): Make register class conditional.
886         (Rrq): New register constraint.
887         (Chs): New constraint.
888         (Clo): New constraint.
889         (Chi): New constraint.
890         (Cbf): New constraint.
891         (Cbn): New constraint.
892         (C18): New constraint.
893         (Cbi): New constraint.
895 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
897         * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
898         dst->popcount.
899         (bitmap_intersection_of_preds): Ditto.
900         (bitmap_union_of_succs): Ditto.
901         (bitmap_union_of_preds): Ditto.
902         * sbitmap.c (do_popcount): Delete.
903         (BITMAP_DEBUGGING): Delete.
904         (sbitmap_verify_popcount): Delete.
905         (sbitmap_alloc): Don't initialize the popcount field.
906         (sbitmap_alloc_with_popcount): Delete.
907         (sbitmap_resize): Don't resize the popcount array.
908         (sbitmap_vector_alloc): Don't initialize the popcount field.
909         (bitmap_copy): Don't copy the popcount array.
910         (bitmap_clear): Don't clear the popcount array.
911         (bitmap_clear): Delete the popcount array handling.
912         (bitmap_ior_and_compl): Delete the popcount assert.
913         (bitmap_not): Ditto.
914         (bitmap_and_compl): Ditto.
915         (bitmap_and): Delete the popcount array handling.
916         (bitmap_xor): Ditto.
917         (bitmap_ior): Ditto.
918         (bitmap_or_and): Delete the popcount assert.
919         (bitmap_and_or): Ditto.
920         (popcount_table): Delete.
921         (sbitmap_elt_popcount): Delete.
922         * sbitmap.h (simple_bitmap_def): Delete the popcount field.
923         (bitmap_set_bit): Delete the popcount assert.
924         (bitmap_clear_bit): Ditto.
925         (sbitmap_free): Don't free the popcount array.
926         (sbitmap_alloc_with_popcount): Delete declaration.
927         (sbitmap_popcount): Ditto.
929 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
930             Andrew Burgess  <andrew.burgess@embecosm.com>
932         * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
933         (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
934         * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
935         (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
936         * config/arc/arc.opt (mcmem): New option.
937         * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
938         supply length for r/m alternative.
939         (*extendqisi2_ac): Likewise.
940         (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
941         r/Uex alternative.
942         (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
943         (movhi_insn): Likewise.
944         (movsi_insn): Add r/Ucm,Ucm/w alternatives.
945         (*zero_extendqihi2_i): Add r/Ucm alternative.
946         (*zero_extendqisi2_ac): Likewise.
947         (*zero_extendhisi2_i): Likewise.
948         * config/arc/constraints.md (Uex): New memory constraint.
949         (Ucm): New define_constraint.
950         * config/arc/predicates.md (long_immediate_loadstore_operand):
951         Return 0 for MEM with cmem_address address.
952         (cmem_address_0): New predicates.
953         (cmem_address_1): Likewise.
954         (cmem_address_2): Likewise.
955         (cmem_address): Likewise.
957 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
959         * config/rs6000/rs6000.c (machine_function): Rename
960         insn_chain_scanned_p to spe_insn_chain_scanned_p.
961         (rs6000_stack_info): Adjust.
963 2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
964             Andrew Burgess  <andrew.burgess@embecosm.com>
966         * config/arc/constraints.md (Usd): Convert to define_constraint.
967         (Us<): Likewise.
968         (Us>): Likewise.
970 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
972         PR target/70821
973         * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
974         Add new peephole2 where the first insn is *mov<mode>_or instead of
975         *mov<mode>_internal.
977 2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>
979         * tracer.c (bb_seen): Make static.
981 2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>
983         * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
984         support, setup defaults.
985         * config/arc/arc-opts.h (enum processor_type): Add NPS400.
986         * config/arc/arc.c (arc_init): Add NPS400 support.
987         * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
988         (TARGET_ARC700): NPS400 is also an ARC700.
989         * config/arc/arc.opt: Add NPS400 options to -mcpu=.
991 2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
993         PR target/70668
994         * config/nds32/nds32.md (casesi): Don't access the operands array
995         out of bounds.
997 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
999         * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
1000         (or $-1,reg peephole2): Ditto.
1001         (strict_low_part zeroing peephole2): Use SWI12 mode iterator.
1003 2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
1005         * doc/extend.texi (Common Function Attributes) [optimize]:
1006         Discourage use of the optimize attribute.
1008 2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>
1010         * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
1011         special case builtin.
1012         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
1013         ALTIVEC_BUILTIN_VEC_ADDE.
1014         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
1015         support for ALTIVEC_BUILTIN_VEC_ADDE.
1016         * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
1017         for __builtin_vec_adde.
1019 2016-04-28  Jakub Jelinek  <jakub@redhat.com>
1021         * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
1022         * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.
1024 2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1026         PR testsuite/70595
1027         * doc/sourcebuild.texi (Effective-Target Keywords, Other
1028         attributes): Document cilkplus_runtime.
1030 2016-04-28  Martin Jambor  <mjambor@suse.cz>
1032         * tree-cfg.c (verify_expr): Verify that local declarations belong to
1033         this function.  Call verify_expr on MEM_REFs and bases of other
1034         handled_components.
1036 2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1038         * internal-fn.c (expand_arith_overflow): Convert preprocessor check
1039         for WORD_REGISTER_OPERATIONS to runtime check.
1041 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
1043         * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.
1045 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
1047         * config/arc/arc.c (arc_process_double_reg_moves): Fix for
1048         big-endian compilation.
1049         * config/arc/arc.md (addf3): Likewise.
1050         (subdf3): Likewise.
1051         (muldf3): Likewise.
1053 2016-04-28  Richard Biener  <rguenther@suse.de>
1055         PR tree-optimization/70840
1056         * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
1057         Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
1058         Mark x * pow(x,c) -> pow(x,c+1) commutative.
1059         Add powi(x,y) * powi(z,y) -> powi(x*z,y).
1061 2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1063         * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
1064         and explain why in a comment.
1066 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
1068         * config/arc/arc.md (cpu_facility): Add fpx variant.
1069         (subdf3): Prohibit use reverse sub when assist operations option
1070         is enabled.
1071         * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
1072         instructions only when FPX is enabled.
1073         * testsuite/gcc.target/arc/trsub.c: New test.
1075 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
1077         * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
1078         mult_operator when calculating "type" attribute.
1079         (*fop_<mode>_1_i387): Ditto.
1080         (*fop_xf_1_i387): Ditto.
1081         (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
1082         Use std::swap to swap operands.  Use RTL expressions to generate
1083         converted pattern.
1085 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
1086             Joern Rennecke  <joern.rennecke@embecosm.com>
1088         * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
1089         declaration.
1090         (emit_pic_move): Remove.
1091         (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
1092         * config/arc/arc.c (emit_pic_move): Removed.
1093         (TARGET_HAVE_TLS): Define.
1094         (arc_conditional_register_usage): Test for arc_tp_regno.
1095         (arc_print_operand, arc_print_operand_address): Handle TLS
1096         unspecs.
1097         (arc_needs_pcl_p): New function.
1098         (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
1099         (arc_legitimate_pic_addr_p): Handle TLS unspecs.
1100         (arc_raw_symbolic_reference_mentioned_p): Likewise.
1101         (arc_get_tp, arc_emit_call_tls_get_addr): New function.
1102         (arc_legitimize_tls_address): Likewise.
1103         (DTPOFF_ZERO_SYM): Define.
1104         (arc_legitimize_pic_address): Make it static, handle TLS cases.
1105         (arc_output_pic_addr_const): Print TLS unspecs.
1106         (prepare_pic_move): New function, replaces emit_pic_move.
1107         (arc_legitimate_constant_p): Handle TLS unspecs.
1108         (arc_legitimate_address_p): Likewise.
1109         (arc_rewrite_small_data_p): Use assert for TLS constants.
1110         (prepare_move_operands): Use prepare_pic_move.
1111         (arc_legitimize_address): Legitimize tls addresses.
1112         (arc_epilogue_uses): Check for arc_tp_regno.
1113         (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
1114         * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
1115         Define.
1116         [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
1117         Likewise.
1118         [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
1119         %(arc_tls_extra_start_spec).
1120         (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
1121         (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
1122         (EH_USES): Define.
1123         (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
1124         * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
1125         (UNSPEC_TLS_OFF): Add.
1126         (R10_REG): Define.
1127         (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
1128         (get_thread_pointersi): New patterns.
1129         * config/arc/arc.opt (mtp-regno): New option.
1130         * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
1131         (move_dest_operand): Likewise.
1132         * configure: Regenerate.
1133         * configure.ac: Add arc*-*-* case to test for tls.
1134         * doc/invoke.texi (ARC options): Document mtp-regno.
1136 2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
1138         * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
1139         the new ARC HS SIMD instructions.
1140         (arc_preferred_simd_mode): New function.
1141         (arc_autovectorize_vector_sizes): Likewise.
1142         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
1143         (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
1144         (arc_init_reg_tables): Accept new ARC HS SIMD modes.
1145         (arc_init_builtins): Add new SIMD builtin types.
1146         (arc_split_move): Handle 64 bit vector moves.
1147         * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
1148         (TARGET_PLUS_QMACW): Define.
1149         * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
1150         (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
1151         (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
1152         (VSUBADD4H): New builtins.
1153         * config/arc/simdext.md: Add new ARC HS SIMD instructions.
1154         * testsuite/gcc.target/arc/builtin_simdarc.c: New file.
1156 2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
1157             Matthias Klose  <doko@debian.org>
1159         * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.
1161 2016-04-28  Richard Biener  <rguenther@suse.de>
1163         PR middle-end/70777
1164         * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
1165         canonicalization.
1167 2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>
1169         * common/config/sh/sh-common.c: Remove SH5 support.
1170         * config/sh/constraints.md: Likewise.
1171         * config/sh/config/sh/elf.h: Likewise.
1172         * config/sh/linux.h: Likewise.
1173         * config/sh/netbsd-elf.h: Likewise.
1174         * config/sh/predicates.md: Likewise.
1175         * config/sh/sh-c.c: Likewise.
1176         * config/sh/sh-protos.h: Likewise.
1177         * config/sh/sh.c: Likewise.
1178         * config/sh/sh.h: Likewise.
1179         * config/sh/sh.md: Likewise.
1180         * config/sh/sh.opt: Likewise.
1181         * config/sh/sync.md: Likewise.
1182         * config/sh/sh64.h: Delete.
1183         * config/sh/shmedia.h: Likewise.
1184         * config/sh/shmedia.md: Likewise.
1185         * config/sh/sshmedia.h: Likewise.
1186         * config/sh/t-netbsd-sh5-64: Likewise.
1187         * config/sh/t-sh64: Likewise.
1188         * config/sh/ushmedia.h: Likewise.
1190 2016-04-28  Uros Bizjak  <ubizjak@gmail.com>
1192         * config/i386/i386.md (sign_extend to memory peephole2s): Use
1193         general_reg_operand instead of register_operand predicate.
1195 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1197         * params.def (MIN_PARTITION_SIZE): Set default value to 10000.
1199 2016-04-27  Marc Glisse  <marc.glisse@inria.fr>
1201         * match.pd (A - B > A, A + B < A): New transformations.
1203 2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>
1205         * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
1206         which defaults to true.  Emit an outer pair of parentheses only if
1207         EMIT_PARENS.  When continuing a chain of && or || (or & or |),
1208         don't emit parentheses for the right-hand operand.
1210 2016-04-27  Jeff Law  <law@redhat.com>
1212         * tree-ssa-dom.c (record_temporary_equivalences): Fix typo in comment.
1214 2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1216         * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
1217         (altivec_lvx_<mode>_internal): Document.
1218         (altivec_lvx_<mode>_2op): New define_insn.
1219         (altivec_lvx_<mode>_1op): Likewise.
1220         (altivec_lvx_<mode>_2op_si): Likewise.
1221         (altivec_lvx_<mode>_1op_si): Likewise.
1222         (altivec_stvx_<mode>): Remove.
1223         (altivec_stvx_<mode>_internal): Document.
1224         (altivec_stvx_<mode>_2op): New define_insn.
1225         (altivec_stvx_<mode>_1op): Likewise.
1226         (altivec_stvx_<mode>_2op_si): Likewise.
1227         (altivec_stvx_<mode>_1op_si): Likewise.
1228         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
1229         Expand vec_ld and vec_st during parsing.
1230         * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
1231         changes.
1232         (altivec_expand_stvx_be): Likewise.
1233         (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
1234         address-masking behavior in RTL.
1235         (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
1236         address-masking behavior in RTL.
1237         (altivec_expand_builtin): Change builtin code arguments for calls
1238         to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
1239         (insn_is_swappable_p): Avoid incorrect swap optimization in the
1240         presence of lvx/stvx patterns.
1241         (alignment_with_canonical_addr): New function.
1242         (alignment_mask): Likewise.
1243         (find_alignment_op): Likewise.
1244         (recombine_lvx_pattern): Likewise.
1245         (recombine_stvx_pattern): Likewise.
1246         (recombine_lvx_stvx_patterns): Likewise.
1247         (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
1248         stvx patterns from expand.
1249         * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
1250         expansions.
1251         (vector_altivec_store_<mode>): Likewise.
1253 2016-04-26  Evandro Menezes  <e.menezes@samsung.com>
1255         * config/aarch64/aarch64.md
1256         (*movhf_aarch64): Add "movi %0, #0" to zero up register and
1257         remove the "fp" attributes.
1258         (*movsf_aarch64): Add "movi %0, #0" to zero up register and
1259         add the "simd" attributes.
1260         (*movdf_aarch64): Likewise.
1261         (*movtf_aarch64): Remove the "fp" attributes.
1262         * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
1263         * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.
1265 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
1267         * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
1268         rtx to rtx_code_label *.
1269         * rtl.h (maybe_set_first_label_num): Likewise.
1271 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
1273         * df-core.c (df_add_problem): Make the problem param be const.
1274         (df_remove_problem): Make local "problem" be const.
1275         * df-problems.c (problem_RD): Make const.
1276         (problem_LR): Likewise.
1277         (problem_LIVE): Likewise.
1278         (problem_MIR): Likewise.
1279         (problem_CHAIN): Likewise.
1280         (problem_WORD_LR): Likewise.
1281         (problem_NOTE): Likewise.
1282         (problem_MD): Likewise.
1283         * df-scan.c (problem_SCAN): Likewise.
1284         * df.h (struct df_problem): Make field "dependent_problem" be
1285         const.
1286         (struct dataflow): Likewise for field "problem".
1287         (df_add_problem): Make param const.
1289 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
1291         * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
1292         inter-unit moves to/from vector registers are enabled.  Do not disable
1293         for TARGET_MMX.
1295 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
1297         * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
1298         DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
1299         #define to...
1300         (enum df_problem_id): ...this new enum.
1301         (struct df_problem): Convert field "id" from "int" to
1302         enum df_problem_id.
1304 2016-04-27  David Malcolm  <dmalcolm@redhat.com>
1306         * rtl.def: Update comment for "things in the instruction chain" to
1307         reflect the removal of the leading "i" field for INSN_UID in
1308         r210360.  Fix bogus apostrophe.
1310 2016-04-27  Uros Bizjak  <ubizjak@gmail.com>
1312         * config/i386/i386.md
1313         (lea arith with mem operand + setcc peephole2): Set operator mode.
1315 2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>
1317         PR target/70155
1318         * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
1319         (dimode_scalar_to_vector_candidate_p): This.
1320         (timode_scalar_to_vector_candidate_p): New function.
1321         (scalar_to_vector_candidate_p): Likewise.
1322         (timode_check_non_convertible_regs): Likewise.
1323         (timode_remove_non_convertible_regs): Likewise.
1324         (remove_non_convertible_regs): Likewise.
1325         (remove_non_convertible_regs): Renamed to ...
1326         (dimode_remove_non_convertible_regs): This.
1327         (scalar_chain::~scalar_chain): Make it virtual.
1328         (scalar_chain::compute_convert_gain): Make it pure virtual.
1329         (scalar_chain::mark_dual_mode_def): Likewise.
1330         (scalar_chain::convert_insn): Likewise.
1331         (scalar_chain::convert_registers): Likewise.
1332         (scalar_chain::add_to_queue): Make it protected.
1333         (scalar_chain::emit_conversion_insns): Likewise.
1334         (scalar_chain::replace_with_subreg): Likewise.
1335         (scalar_chain::replace_with_subreg_in_insn): Likewise.
1336         (scalar_chain::convert_op): Likewise.
1337         (scalar_chain::convert_reg): Likewise.
1338         (scalar_chain::make_vector_copies): Likewise.
1339         (scalar_chain::convert_registers): New pure virtual function.
1340         (class dimode_scalar_chain): New class.
1341         (class timode_scalar_chain): Likewise.
1342         (scalar_chain::mark_dual_mode_def): Renamed to ...
1343         (dimode_scalar_chain::mark_dual_mode_def): This.
1344         (timode_scalar_chain::mark_dual_mode_def): New function.
1345         (timode_scalar_chain::convert_insn): Likewise.
1346         (dimode_scalar_chain::convert_registers): Likewise.
1347         (scalar_chain::compute_convert_gain): Renamed to ...
1348         (dimode_scalar_chain::compute_convert_gain): This.
1349         (scalar_chain::replace_with_subreg): Renamed to ...
1350         (dimode_scalar_chain::replace_with_subreg): This.
1351         (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
1352         (dimode_scalar_chain::replace_with_subreg_in_insn): This.
1353         (scalar_chain::make_vector_copies): Renamed to ...
1354         (dimode_scalar_chain::make_vector_copies): This.
1355         (scalar_chain::convert_reg): Renamed to ...
1356         (dimode_scalar_chain::convert_reg ): This.
1357         (scalar_chain::convert_op): Renamed to ...
1358         (dimode_scalar_chain::convert_op): This.
1359         (scalar_chain::convert_insn): Renamed to ...
1360         (dimode_scalar_chain::convert_insn): This.
1361         (scalar_chain::convert): Call convert_registers.
1362         (convert_scalars_to_vector): Change to scalar_chain pointer to
1363         use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
1364         in 32-bit mode.  Delete scalar_chain pointer.  Call
1365         free_dominance_info in 64-bit mode.
1366         (pass_stv::gate): Remove TARGET_64BIT check.
1367         (ix86_option_override): Put the 64-bit STV pass before the CSE
1368         pass.
1370 2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>
1372         * dwarf2out.h (struct dw_loc_descr_node): Remove the
1373         dw_loc_frame_offset field.
1374         * dwarf2out.c (new_loc_descr): Likewise.
1375         (resolve_args_picking_1): Turn the VISITED hash set into a
1376         FRAME_OFFSET hash map. Use it to associate a frame offset to
1377         visited nodes. Remove uses of the CHECKING_P macro.
1378         (resolve_args_picking): Update call to resolve_args_picking_1.
1380 2016-04-27  Martin Liska  <mliska@suse.cz>
1382         * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
1383         (free_loop_data): Release vuses of groups.
1385 2016-04-27  Bin Cheng  <bin.cheng@arm.com>
1387         * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
1388         instead of redundant use_id and boolean have_use_for.
1389         (struct iv_use): Change sub_id into group_id.  Remove field next.
1390         Move fields: related_cands, n_map_members, cost_map and selected
1391         to ...
1392         (struct iv_group): ... here.  New structure.
1393         (struct iv_common_cand): Use structure declaration directly.
1394         (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
1395         (MAX_CONSIDERED_USES): Rename macro to ...
1396         (MAX_CONSIDERED_GROUPS): ... here.
1397         (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
1398         (dump_iv, dump_use, dump_cand): Refactor format of dump information.
1399         (dump_uses): Rename to ...
1400         (dump_groups): ... here.  Update all uses.
1401         (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
1402         (find_induction_variables): Refactor format of dump information.
1403         (record_sub_use): Delete.
1404         (record_use): Update all uses.
1405         (record_group): New function.
1406         (record_group_use, find_interesting_uses_op): Call above functions.
1407         Update all uses.
1408         (find_interesting_uses_cond): Ditto.
1409         (group_compare_offset): New function.
1410         (split_all_small_groups): Rename to ...
1411         (split_small_address_groups_p): ... here.  Update all uses.
1412         (split_address_groups):  Update all uses.
1413         (find_interesting_uses): Refactor format of dump information.
1414         (add_candidate_1): Update all uses.  Remove redundant check on iv,
1415         base and step.
1416         (add_candidate, record_common_cand): Remove redundant assert.
1417         (add_iv_candidate_for_biv): Update use.
1418         (add_iv_candidate_derived_from_uses): Update all uses.
1419         (add_iv_candidate_for_groups, record_important_candidates): Ditto.
1420         (alloc_use_cost_map): Ditto.
1421         (set_use_iv_cost, get_use_iv_cost): Rename to ...
1422         (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
1423         (determine_use_iv_cost_generic): Ditto.
1424         (determine_group_iv_cost_generic): Ditto.
1425         (determine_use_iv_cost_address): Ditto.
1426         (determine_group_iv_cost_address): Ditto.
1427         (determine_use_iv_cost_condition): Ditto.
1428         (determine_group_iv_cost_cond): Ditto.
1429         (determine_use_iv_cost): Ditto.
1430         (determine_group_iv_cost): Ditto.
1431         (set_autoinc_for_original_candidates): Update all uses.
1432         (find_iv_candidates): Update all uses.  Refactor dump information.
1433         (determine_use_iv_costs): Ditto.
1434         (determine_iv_costs): Ditto.
1435         (iv_ca_cand_for_use): Rename to ...
1436         (iv_ca_cand_for_group): ... here.  Update all uses.
1437         (iv_ca_add_use, iv_ca_add_group): Ditto.
1438         (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
1439         (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
1440         (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
1441         (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
1442         (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
1443         (create_new_iv, adjust_iv_update_pos): Ditto.
1444         (rewrite_use_address): Delete.
1445         (rewrite_use_address_1): Rename to ...
1446         (rewrite_use_address): ... here.
1447         (rewrite_use_compare): Update all uses.
1448         (rewrite_use): Delete.
1449         (rewrite_uses): Rename to ...
1450         (rewrite_groups): ... here.  Update all uses.
1451         (remove_unused_ivs, free_loop_data): Update all uses.
1452         (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.
1454 2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1456         * rtlanal.c (nonzero_bits1): Convert preprocessor check
1457         for WORD_REGISTER_OPERATIONS to runtime check.
1459 2016-04-27  Richard Biener  <rguenther@suse.de>
1461         PR ipa/70760
1462         * tree-ssa-structalias.c (find_func_aliases_for_call): Use
1463         aggregate_value_p to determine if a function result is
1464         returned by reference.
1465         (ipa_pta_execute): Functions having their address taken are
1466         not automatically nonlocal.
1468 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
1470         PR sanitizer/70683
1471         * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
1472         * fold-const.c (operand_equal_p): If flag_checking and
1473         OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
1474         and if it returns non-zero, assert iterative_hash_expr on both
1475         args is the same.
1477 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
1479         * doc/invoke.texi (-frename-registers): Also enabled at -Os.
1481 2016-04-27  Nick Clifton  <nickc@redhat.com>
1483         PR middle-end/49889
1484         * varasm.c (merge_weak): Generate an error if an attempt is made
1485         to convert a non-weak static function into a weak, public function.
1487 2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
1489         * params.def (MAX_PARTITION_SIZE): New param.
1490         * doc/invoke.texi: Document lto-max-partition.
1492 2016-04-27  Richard Biener  <rguenther@suse.de>
1494         PR ipa/70785
1495         * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
1496         function cummulating used_from_other_partition, externally_visible
1497         and force_output from aliases.
1498         (refered_from_nonlocal_var): Likewise.
1499         (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
1500         node flags properly.
1502 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
1504         * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
1505         (-Wmemset-elt-size): New item.
1507 2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1509         PR ada/70759
1510         * stor-layout.h (internal_reference_types): Delete.
1511         * stor-layout.c (reference_types_internal): Likewise.
1512         (internal_reference_types): Likewise.
1513         (layout_type) <REFERENCE_TYPE>: Adjust.
1515 2016-04-27  Jakub Jelinek  <jakub@redhat.com>
1517         PR sanitizer/70683
1518         * tree.h (inchash::add_expr): Add FLAGS argument.
1519         * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
1520         use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
1521         For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
1522         Formatting fix.  Adjust recursive calls.  For tcc_comparison,
1523         if swap_tree_comparison (code) is smaller than code, hash that
1524         and arguments in the other order.  Hash CONVERT_EXPR the same
1525         as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
1526         of ADDR_EXPR of decl as the decl itself.  Add or remove
1527         OEP_ADDRESS_OF from recursive flags as needed.  For
1528         FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
1529         operands commutatively and only the third one normally.
1530         For internal CALL_EXPR hash in CALL_EXPR_IFN.
1532 2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1534         * config/rtems.h (LIB_SPEC): Add -latomic.
1536 2016-04-27  Joel Sherrill  <joel@rtems.org>
1538         * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
1539         xilink.ld and flags not relevant to RTEMS.
1541 2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>
1543         * toplev.c (backend_init_target): Avoid calling init_reload when using
1544         LRA.
1546 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
1548         * reorg.c (try_merge_delay_insns): Declare i and j inside the
1549         for loops rather than one for the whole function.
1551 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
1553         * match.pd (X + CST CMP X): New transformation.
1555 2016-04-26  Marc Glisse  <marc.glisse@inria.fr>
1557         * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
1558         * fold-const.c (fold_binary_loc): Remove 2 transformations
1559         superseded by match.pd.
1560         * match.pd (x+x -> x*2): Generalize to integers.
1562 2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>
1564         * config/i386/i386.md (operation on memory peephole): Duplicate an
1565         existing peephole and adapt it to match lea rather than an operation
1566         that clobbers CC.
1568         PR rtl-optimization/57193
1569         * opts.c (default_options_table): Add OPT_frename_registers at -O2
1570         and above.
1571         * doc/invoke.texi (-frename-registers, -O2): Update documentation.
1573 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
1575         * tree-if-conv.c (any_pred_load_store): New static variable.
1576         (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
1577         any_pred_load_store instead of and_mask_load_store.
1578         (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
1579         (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
1580         (combine_blocks, tree_if_conversion): Ditto.
1582 2016-04-26  Bin Cheng  <bin.cheng@arm.com>
1584         PR tree-optimization/70771
1585         PR tree-optimization/70775
1586         * tree-if-conv.c (if_convertible_phi_p): Remove check on special
1587         virtual PHI nodes.  Delete parameter.
1588         (if_convertible_loop_p_1): Delete argument to above function.
1589         (predicate_all_scalar_phis): Delete code handling single-argument
1590         PHIs.
1591         (tree_if_conversion): Mark and update virtual SSA.
1593 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1595         PR target/61821
1596         * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
1597         (x86_elf_aligned_common): Rename to ...
1598         (x86_elf_aligned_decl_common): ... this.
1599         Add decl arg.  Switch to .lbss for largecomm object.  Use
1600         LARGECOMM_SECTION_ASM_OP.
1601         * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
1602         renaming.
1603         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
1604         (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
1605         Pass new decl arg.
1606         * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
1607         [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.
1609 2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1611         PR target/59407
1612         * config/i386/i386.c (SECTION_LARGE): Define.
1613         (x86_64_elf_select_section): Set it for large data/bss sections.
1614         Only clear SECTION_WRITE for .lrodata.
1615         (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
1616         data/bss sections.
1617         * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
1618         * varasm.c (default_elf_asm_named_section): Grow flagchars.
1619         [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
1620         SECTION_MACH_DEP.
1621         * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
1622         * doc/tm.texi: Regenerate.
1624 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
1626         PR bootstrap/70704
1627         * configure.ac (--enable-checking): Document extra flag, for
1628         non-release builds default to --enable-checking=yes,extra.
1629         If misc checking and extra checking, define CHECKING_P to 2 instead
1630         of 1.
1631         * common.opt (fchecking=): Add.
1632         * doc/invoke.texi (-fchecking=): Document.
1633         * doc/install.texi: Document --enable-checking changes.
1634         * configure: Regenerated.
1635         * config.in: Regenerated.
1637 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
1639         * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
1640         attribute instead of which_alternative.
1641         * config/i386/sse.md (*mov<mode>_internal): Ditto.
1642         Use EXT_REX_SSE_REG_P where appropriate.
1644 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
1646         * config/i386/predicates.md (const0_operand): Do not match
1647         const_wide_int code.
1648         (const1_operand): Ditto.
1650 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
1652         * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
1653         for SSE constm1 operands and TARGET_AVX512VL.
1654         (*movti_internal): Ditto.
1655         (*mov<mode>_or): Use constm1_operand predicate.
1656         * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
1657         for SSE vector_all_ones operands and TARGET_AVX512VL.
1658         * config/i386/predicates.md (constm1_operand): New predicate.
1659         * config/i386/i386.c (standard_sse_constant_opcode): Simplify
1660         emission of constant -1 load.
1662 2016-04-25  Jason Merrill  <jason@redhat.com>
1664         * gdbinit.in: Skip is-a.h.
1666         * attribs.c (register_scoped_attributes): Fix logic.
1667         * attribs.h: Declare register_scoped_attributes.
1669 2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1671         * config/rs6000/rs6000-builtin.def: Correct pasto error for
1672         stxvd2x and stxvw4x built-in functions.
1674 2016-04-25  DJ Delorie  <dj@redhat.com>
1676         * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
1677         (ashrhi3): Likewise.
1678         (lshrhi3): Likewise.
1680 2016-04-25  Richard Biener  <rguenther@suse.de>
1682         PR tree-optimization/70780
1683         * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
1684         wasn't visited yet.
1685         (compute_antic): Mark blocks with abnormal preds as visited as
1686         they have a final empty antic-in solution already.
1688 2016-04-25  Michael Collison  <michael.collison@linaro.org>
1690         * ChangeLog(2016-04-25): Fix ChangeLog formatting.
1692 2016-04-25  Michael Collison  <michael.collison@linaro.org>
1694         * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
1695         mode is VQI to improve mixed mode vectorization.
1696         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
1697         define_insn to match low half of signed vaddw.
1698         * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
1699         define_insn to match high half of signed vaddw.
1700         * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
1701         define_insn to match low half of unsigned vaddw.
1702         * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
1703         define_insn to match high half of unsigned vaddw.
1704         * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
1705         (arm_simd_check_vect_par_cnst_half_p): Likewise.
1706         * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
1707         for new function.
1708         (arm_simd_check_vect_par_cnst_half_p): Likewise.
1709         * config/arm/predicates.md (vect_par_constant_high): Support
1710         big endian and simplify by calling
1711         arm_simd_check_vect_par_cnst_half
1712         (vect_par_constant_low): Likewise.
1714 2016-04-25  Uros Bizjak  <ubizjak@gmail.com>
1716         * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
1717         predicate for operand 2.
1719 2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
1720             H.J. Lu  <hongjiu.lu@intel.com>
1722         * config/i386/i386-protos.h (standard_sse_constant_p): Add
1723         machine_mode argument.
1724         * config/i386/i386.c (standard_sse_constant_p): Return 2 for
1725         constm1_rtx operands.  For VOIDmode constants, get mode from
1726         pred_mode.  Check mode size if the mode is supported by ABI.
1727         (standard_sse_constant_opcode): Do not use standard_constant_p.
1728         Strictly check ABI support for all-ones operands.
1729         (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
1730         immediates. Update calls to standard_sse_constant_p.
1731         (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
1732         (ix86_rtx_costs): Ditto.
1733         * config/i386/i386.md (*movxi_internal_avx512f): Use
1734         nonimmediate_or_sse_const_operand instead of vector_move_operand.
1735         Use (v,BC) alternative instead of (v,C). Use register_operand
1736         checks instead of MEM_P.
1737         (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
1738         of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
1739         isa attribute.  Use register_operand checks instead of MEM_P.
1740         (*movti_internal): Use nonimmediate_or_sse_const_operand for
1741         TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
1742         alternative and corresponding sse2 isa attribute.
1743         (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
1744         to standard_sse_constant_p.
1745         (FP constant splitters): Ditto.
1746         * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
1747         (C): Ditto.
1748         * config/i386/predicates.md (constm1_operand): Remove.
1749         (nonimmediate_or_sse_const_operand): Rewrite using RTX.
1750         * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
1751         vector_all_ones_operand instead of constm1_operand.
1753 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1755         * print-rtl.c (print_rtx_insn_vec): New function.
1756         * print-rtl.h: New prototype.
1757         * store-motion.c (struct st_expr): Make avail_stores a vector.
1758         (st_expr_entry): Adjust.
1759         (free_st_expr_entry): Likewise.
1760         (print_store_motion_mems): Likewise.
1761         (find_moveable_store): Likewise.
1762         (compute_store_table): Likewise.
1763         (delete_store): Likewise.
1764         (build_store_vectors): Likewise.
1766 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1768         * reorg.c (try_merge_delay_insns): Make merged_insns a vector.
1770 2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
1772         * vec.h (vec_safe_contains): New function.
1773         (vec::contains): Likewise.
1774         (vec::begin): Likewise.
1775         (vec::end): Likewise.
1777 2016-04-23  Jakub Jelinek  <jakub@redhat.com>
1779         PR sanitizer/70712
1780         * cfgexpand.c (expand_stack_vars): Fix typo.
1782 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1784         * system.h (list, map, set, vector): Include conditionally.
1785         * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
1786         * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
1787         * ipa-icf.c (INCLUDE_LIST): Define.
1788         * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
1789         * config/sh/sh.c (INCLUDE_VECTOR): Define.
1790         * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
1791         (INCLUDE_LIST, INCLUDE_VECTOR): Define.
1792         * cp/logic.cc (INCLUDE_LIST): Define.
1793         * fortran/trans-common.c (INCLUDE_MAP): Define.
1795 2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>
1797         * auto-profile.c: Remove <string.h> include.
1798         * ipa-icf-gimple.c: Remove <list> include.
1799         * diagnostic.c: Remove <new> include.
1800         * genmatch.c: Likewise.
1801         * pretty-print.c: Likewise.
1802         * toplev.c: Likewise
1803         * c/c-objc-common.c: Likewise.
1804         * cp/error.c: Likewise.
1805         * fortran/error.c: Likewise.
1807 2016-04-22  Richard Biener  <rguenther@suse.de>
1809         * lto-streamer-in.c (input_ssa_names): Do not allocate
1810         GIMPLE_NOP for all SSA names.
1811         * lto-streamer-out.c (output_ssa_names): Do not output
1812         SSA names that should have been released.
1814 2016-04-22  Richard Biener  <rguenther@suse.de>
1816         PR tree-optimization/70740
1817         * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
1818         VDEF.
1820 2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>
1822         PR target/70750
1823         * config/i386/predicates.md (call_insn_operand): Replace
1824         sibcall_memory_operand with memory_operand.
1826 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
1828         * tree-vrp.c (register_edge_assert_for_2): Remove redundant
1829         has_single_use() tests.
1830         (register_edge_assert_for_1): Likewise.
1831         (find_assert_locations_1): Check the liveness bitmap instead of
1832         checking has_single_use().
1834 2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>
1836         PR target/70728
1837         * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
1838         Extract AVX-512BW constraint from AVX.
1840 2016-04-21  Richard Biener  <rguenther@suse.de>
1842         PR tree-optimization/70725
1843         * tree-if-conv.c (if_convertible_phi_p): Adjust guard
1844         for phi_convertible_by_degenerating_args.
1845         (predicate_all_scalar_phis): Handle single-argument PHIs.
1847 2016-04-21  Richard Biener  <rguenther@suse.de>
1849         PR middle-end/70747
1850         * fold-const.c (fold_comparison): Return properly typed
1851         constant boolean.
1853 2016-04-21  Bin Cheng  <bin.cheng@arm.com>
1855         PR tree-optimization/70715
1856         * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
1857         after expanding BASE using expand_simple_operations.
1859 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
1861         * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
1862         New transformations.
1864 2016-04-21  Marc Glisse  <marc.glisse@inria.fr>
1866         * match.pd (min(int_max, x), max(int_min, x)): New transformations.
1868 2016-04-20  Jan Hubicka  <jh@suse.cz>
1870         * ipa-inline.c (can_inline_edge_p): Pass caller info to
1871         ultiimate_alias_target.
1872         (update_callee_keys): Likewise.
1873         (lookup_recursive_calls): Likewise.
1874         (speculation_useful_p): Likewise.
1876 2016-04-20  Jan Hubicka  <jh@suse.cz>
1878         PR ipa/70018
1879         * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
1880         (set_nothrow_flag_1): ... this; handle interposition correctly;
1881         recurse on aliases and thunks.
1882         (cgraph_node::set_nothrow_flag): New.
1883         * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
1884         functions compiled with non-call exceptions that binds to current
1885         def.
1886         (propagate_nothrow): Be safe WRT interposition.
1887         * cgraph.h (set_nothrow_flag): Update prototype.
1889 2016-04-18  Jan Hubicka  <jh@suse.cz>
1891         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
1892         max_loop_iterations_int.
1893         (tree_unswitch_outer_loop): Likewise.
1895 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
1897         PR tree-optimization/69489
1898         * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
1899         (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
1900         Revise dump message.
1901         (if_convertible_bb_p): Remove check on edge count of basic block's
1902         predecessors.
1904 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
1906         PR tree-optimization/56625
1907         PR tree-optimization/69489
1908         * tree-data-ref.h (DR_INNERMOST): New macro.
1909         * tree-if-conv.c (innermost_loop_behavior_hash): New class for
1910         hashing struct innermost_loop_behavior.
1911         (ref_DR_map): Remove.
1912         (innermost_DR_map): New map.
1913         (baseref_DR_map): Revise comment.
1914         (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
1915         to innermost_DR_map accroding to its innermost loop behavior.
1916         (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
1917         to its innermost loop behavior.
1918         (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
1919         Add initialization for innermost_DR_map.  Record memory reference
1920         in DR_BASE_ADDRESS if the reference is compound one or it doesn't
1921         have innermost loop behavior.
1922         (if_convertible_loop_p): Remove release for ref_DR_map.  Release
1923         innermost_DR_map.
1925 2016-04-20  Uros Bizjak  <ubizjak@gmail.com>
1927         * config/i386/i386.md (*lea<mode>_general_1): Rename from
1928         *lea_general_1.  Use explicit SWI12 mode interator.
1929         (*lea<mode>_general_2): Rename from *lea_general_2.
1930         Use explicit SWI12 mode interator.
1931         (*lea<mode>_general_3): Rename from *lea_general_3.
1932         Use explicit SWI12 mode interator.
1933         (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
1934         Use explicit SWI12 mode interator.
1935         (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
1936         Use explicit SWI48 mode interator.
1938 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
1940         * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
1941         Short-cut unaligned load and store cases.  Handle all integer
1942         vector modes.
1943         (ix86_expand_vector_move_misalign): Short-cut unaligned load
1944         and store cases.  Call ix86_avx256_split_vector_move_misalign
1945         directly without checking mode class.
1947 2016-04-20  Andrew Pinski  <apinski@cavium.com>
1948             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1950         PR target/64971
1951         * config/aarch64/aarch64.md (sibcall): Force call
1952         address to be DImode for ILP32.
1953         (sibcall_value): Likewise.
1955 2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>
1957         * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.
1959 2016-04-20  Richard Biener  <rguenther@suse.de>
1961         * gimple-match.h (maybe_build_generic_op): Adjust prototype.
1962         * gimple-match-head.c (maybe_build_generic_op): Pass all ops
1963         by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
1964         (maybe_push_res_to_seq): Adjust.
1965         * gimple-fold.c (maybe_build_generic_op): Likewise.
1967 2016-04-20  Marek Polacek  <polacek@redhat.com>
1969         * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
1970         rather than true.
1972 2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>
1974         * config/i386/sse.md (vec_unpacks_lo_hi): Always
1975         use kmovw to support AVX512F target.
1977 2016-04-20  Bin Cheng  <bin.cheng@arm.com>
1979         * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.
1981 2016-04-20  Marek Polacek  <polacek@redhat.com>
1983         PR tree-optimization/70725
1984         * tree-if-conv.c (is_false_predicate): New function.
1985         (predicate_mem_writes): Use it.
1987 2016-04-20  Richard Biener  <rguenther@suse.de>
1989         PR tree-optimization/70726
1990         * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
1991         shift amounts from a pattern stmt operand.
1993 2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
1995         PR target/70674
1996         * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
1997         stack_restore_from_fpr pattern when restoring r15.
1998         (s390_optimize_prologue): Strip away the memory barrier in the
1999         parallel when trying to get rid of restore insns.
2000         * config/s390/s390.md ("stack_restore_from_fpr"): New insn
2001         definition for loading the stack pointer from an FPR.  Compared to
2002         the normal move insn this pattern includes a full memory barrier.
2004 2016-04-19  Jakub Jelinek  <jakub@redhat.com>
2006         PR middle-end/70680
2007         * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
2008         implicitly linear or lastprivate iterator on the outer context.
2010 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
2012         * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
2013         alignment check.
2014         * config/i386/i386.md (ssememalign): Removed.
2015         * config/i386/sse.md: Remove ssememalign attribute from patterns.
2017 2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>
2019         PR target/69201
2020         * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
2021         const short * to __builtin_ia32_loaddquhi512_mask.
2022         (_mm512_maskz_loadu_epi16): Likewise.
2023         (_mm512_mask_storeu_epi16): Pass short * to
2024         __builtin_ia32_storedquhi512_mask.
2025         (_mm512_mask_loadu_epi8): Pass const char * to
2026         __builtin_ia32_loaddquqi512_mask.
2027         (_mm512_maskz_loadu_epi8): Likewise.
2028         (_mm512_mask_storeu_epi8): Pass char * to
2029         __builtin_ia32_storedquqi512_mask.
2030         * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
2031         const double * to __builtin_ia32_loadupd512_mask.
2032         (_mm512_mask_loadu_pd): Likewise.
2033         (_mm512_maskz_loadu_pd): Likewise.
2034         (_mm512_storeu_pd): Pass double * to
2035         __builtin_ia32_storeupd512_mask.
2036         (_mm512_mask_storeu_pd): Likewise.
2037         (_mm512_loadu_ps): Pass const float * to
2038         __builtin_ia32_loadups512_mask.
2039         (_mm512_mask_loadu_ps): Likewise.
2040         (_mm512_maskz_loadu_ps): Likewise.
2041         (_mm512_storeu_ps): Pass float * to
2042         __builtin_ia32_storeups512_mask.
2043         (_mm512_mask_storeu_ps): Likewise.
2044         (_mm512_mask_loadu_epi64): Pass const long long * to
2045         __builtin_ia32_loaddqudi512_mask.
2046         (_mm512_maskz_loadu_epi64): Likewise.
2047         (_mm512_mask_storeu_epi64): Pass long long *
2048         to __builtin_ia32_storedqudi512_mask.
2049         (_mm512_loadu_si512): Pass const int * to
2050         __builtin_ia32_loaddqusi512_mask.
2051         (_mm512_mask_loadu_epi32): Likewise.
2052         (_mm512_maskz_loadu_epi32): Likewise.
2053         (_mm512_storeu_si512): Pass int * to
2054         __builtin_ia32_storedqusi512_mask.
2055         (_mm512_mask_storeu_epi32): Likewise.
2056         * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
2057         char * to __builtin_ia32_storedquqi256_mask.
2058         (_mm_mask_storeu_epi8): Likewise.
2059         (_mm256_mask_loadu_epi16): Pass const short * to
2060         __builtin_ia32_loaddquhi256_mask.
2061         (_mm256_maskz_loadu_epi16): Likewise.
2062         (_mm_mask_loadu_epi16): Pass const short * to
2063         __builtin_ia32_loaddquhi128_mask.
2064         (_mm_maskz_loadu_epi16): Likewise.
2065         (_mm256_mask_loadu_epi8): Pass const char * to
2066         __builtin_ia32_loaddquqi256_mask.
2067         (_mm256_maskz_loadu_epi8): Likewise.
2068         (_mm_mask_loadu_epi8): Pass const char * to
2069         __builtin_ia32_loaddquqi128_mask.
2070         (_mm_maskz_loadu_epi8): Likewise.
2071         (_mm256_mask_storeu_epi16): Pass short * to.
2072         __builtin_ia32_storedquhi256_mask.
2073         (_mm_mask_storeu_epi16): Pass short * to.
2074         __builtin_ia32_storedquhi128_mask.
2075         * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
2076         const double * to __builtin_ia32_loadupd256_mask.
2077         (_mm256_maskz_loadu_pd): Likewise.
2078         (_mm_mask_loadu_pd): Pass onst double * to
2079         __builtin_ia32_loadupd128_mask.
2080         (_mm_maskz_loadu_pd): Likewise.
2081         (_mm256_mask_storeu_pd): Pass double * to
2082         __builtin_ia32_storeupd256_mask.
2083         (_mm_mask_storeu_pd): Pass double * to
2084         __builtin_ia32_storeupd128_mask.
2085         (_mm256_mask_loadu_ps): Pass const float * to
2086         __builtin_ia32_loadups256_mask.
2087         (_mm256_maskz_loadu_ps): Likewise.
2088         (_mm_mask_loadu_ps): Pass const float * to
2089         __builtin_ia32_loadups128_mask.
2090         (_mm_maskz_loadu_ps): Likewise.
2091         (_mm256_mask_storeu_ps): Pass float * to
2092         __builtin_ia32_storeups256_mask.
2093         (_mm_mask_storeu_ps): ass float * to
2094         __builtin_ia32_storeups128_mask.
2095         (_mm256_mask_loadu_epi64): Pass const long long * to
2096         __builtin_ia32_loaddqudi256_mask.
2097         (_mm256_maskz_loadu_epi64): Likewise.
2098         (_mm_mask_loadu_epi64): Pass const long long * to
2099         __builtin_ia32_loaddqudi128_mask.
2100         (_mm_maskz_loadu_epi64): Likewise.
2101         (_mm256_mask_storeu_epi64): Pass long long * to
2102         __builtin_ia32_storedqudi256_mask.
2103         (_mm_mask_storeu_epi64): Pass long long * to
2104         __builtin_ia32_storedqudi128_mask.
2105         (_mm256_mask_loadu_epi32): Pass const int * to
2106         __builtin_ia32_loaddqusi256_mask.
2107         (_mm256_maskz_loadu_epi32): Likewise.
2108         (_mm_mask_loadu_epi32): Pass const int * to
2109         __builtin_ia32_loaddqusi128_mask.
2110         (_mm_maskz_loadu_epi32): Likewise.
2111         (_mm256_mask_storeu_epi32): Pass int * to
2112         __builtin_ia32_storedqusi256_mask.
2113         (_mm_mask_storeu_epi32): Pass int * to
2114         __builtin_ia32_storedqusi128_mask.
2115         * config/i386/i386-builtin-types.def (PCSHORT): New.
2116         (PINT64): Likewise.
2117         (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
2118         (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
2119         (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
2120         (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
2121         (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
2122         (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
2123         (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
2124         (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
2125         (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
2126         (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
2127         (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
2128         (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
2129         (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
2130         (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
2131         (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
2132         (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
2133         (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
2134         (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
2135         (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
2136         (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
2137         (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
2138         (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
2139         (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
2140         (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
2141         (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
2142         (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
2143         (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
2144         (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
2145         (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
2146         (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
2147         (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
2148         (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
2149         (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
2150         (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
2151         (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
2152         (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
2153         (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
2154         (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
2155         (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
2156         (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
2157         (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
2158         (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
2159         (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
2160         (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
2161         (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
2162         (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
2163         (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
2164         (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
2165         * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
2166         use UNSPEC_STOREU.
2167         (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
2168         (ix86_avx256_split_vector_move_misalign): Don't use unaligned
2169         load nor store.
2170         (ix86_expand_vector_move_misalign): Likewise.
2171         (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
2172         to scalar function prototype for unaligned load/store builtins.
2173         (ix86_expand_special_args_builtin): Updated.
2174         * config/i386/sse.md (UNSPEC_LOADU): Removed.
2175         (UNSPEC_STOREU): Likewise.
2176         (VI_ULOADSTORE_BW_AVX512VL): Likewise.
2177         (VI_ULOADSTORE_F_AVX512VL): Likewise.
2178         (ssescalarsize): Handle V4TI, V2TI and V1TI.
2179         (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
2180         (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
2181         (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
2182         (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
2183         (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
2184         (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
2185         (sse2_avx_avx512f>_storedqu<mode>): Likewise.
2186         (<avx512>_storedqu<mode>_mask): Likewise.
2187         (*sse4_2_pcmpestr_unaligned): Likewise.
2188         (*sse4_2_pcmpistr_unaligned): Likewise.
2189         (*mov<mode>_internal): Renamed to ...
2190         (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
2191         misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
2192         (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
2193         (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.
2195 2016-04-19  Richard Biener  <rguenther@suse.de>
2197         PR tree-optimization/70171
2198         * tree-ssa-phiprop.c: Include stor-layout.h.
2199         (phiprop_insert_phi): Handle the aggregate copy case.
2200         (propagate_with_phi): Likewise.
2202 2016-04-19  Uros Bizjak  <ubizjak@gmail.com>
2204         * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
2205         instead of simplify_gen_subreg (... , 0).
2206         (ix86_delegitimize_address): Ditto.
2207         (ix86_split_divmod): Ditto.
2208         (ix86_split_copysign_const): Ditto.
2209         (ix86_split_copysign_var): Ditto.
2210         (ix86_expand_args_builtin): Ditto.
2211         (ix86_expand_round_builtin): Ditto.
2212         (ix86_expand_special_args_builtin): Ditto.
2213         * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
2214         (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
2215         (udivmodqi4): Ditto.
2216         (absneg splitters): Ditto.
2217         (*jcc_bt<mode>_1): Ditto.
2219 2016-04-19  Richard Biener  <rguenther@suse.de>
2221         PR tree-optimization/70724
2222         * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
2223         restoring out from ...
2224         (free_scc_vn): ... here.
2225         * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
2226         * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
2227         tail merging.
2228         (pass_fre::execute): Restore SSA info.
2230 2016-04-19  Richard Biener  <rguenther@suse.de>
2232         * gimple-walk.h (struct walk_stmt_info): Add stmt member.
2233         * gimple-walk.c (walk_gimple_op): Initialize it.
2234         (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
2235         * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
2236         remapping SSA names of defs.
2237         (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
2238         adjustment.
2240 2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>
2242         PR middle-end/70689
2243         * lra-constraints.c (equiv_substition_p): New.
2244         (process_alt_operands): Use it.
2245         (swap_operands): Swap it.
2246         (curr_insn_transform): Update it.
2248 2016-04-18  Michael Matz  <matz@suse.de>
2250         * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
2251         (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
2252         * tree-core.h (tree_type_common.align): Use bit-field.
2253         (tree_type_common.spare): New.
2254         (tree_decl_common.off_align): Make smaller.
2255         (tree_decl_common.align): Use bit-field.
2257         * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
2258         * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
2259         (scan_sharing_clauses): Ditto.
2260         (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2261         (omp_finish_file): Ditto.
2262         * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
2263         (layout_decl): Ditto.
2264         (relayout_decl): Ditto.
2265         (finalize_record_size): Use SET_TYPE_ALIGN.
2266         (finalize_type_size): Ditto.
2267         (finish_builtin_struct): Ditto.
2268         (layout_type): Ditto.
2269         (initialize_sizetypes): Ditto.
2270         * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
2271         * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
2272         (lookup_field_for_decl): Use SET_DECL_ALIGN.
2273         (get_chain_field): Ditto.
2274         (get_trampoline_type): Ditto.
2275         (get_nl_goto_field): Ditto.
2276         * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
2277         SET_DECL_ALIGN.
2278         (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
2279         * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
2280         * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2281         (build_qualified_type): Use SET_TYPE_ALIGN.
2282         (build_aligned_type, build_range_type_1): Ditto.
2283         (build_atomic_base): Ditto.
2284         (build_common_tree_nodes): Ditto.
2285         * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
2286         (expand_one_stack_var_at): Ditto.
2287         * coverage.c (build_var): Use SET_DECL_ALIGN.
2288         * except.c (init_eh): Ditto.
2289         * function.c (assign_parm_setup_block): Ditto.
2290         * symtab.c (increase_alignment_1): Ditto.
2291         * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
2292         * tree-vect-stmts.c (ensure_base_align): Ditto.
2293         * varasm.c (align_variable): Ditto.
2294         (assemble_variable): Ditto.
2295         (build_constant_desc): Ditto.
2296         (output_constant_def_contents): Ditto.
2298         * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
2299         * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
2300         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
2301         * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
2302         * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.
2304 2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>
2306         PR target/70708
2307         * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
2308         replace %vmovsd with "%vmovq".
2309         (vec_concatv2df): Likewise.
2311 2016-04-18  Uros Bizjak  <ubizjak@gmail.com>
2313         * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
2314         (*vec_extractv2si_0): Ditto.
2315         * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
2316         (zero_extended_scalar_load_operand splitters): Ditto.
2317         (vec_extract splitters): Ditto.
2318         (*vec_extractv4si_0_zext): Ditto.
2319         (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
2320         and lowpart_subreg.
2321         (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
2322         (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
2323         (*sse4_1_extractps): Use lowpart_subreg.
2325 2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2327         * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
2328         gld requirements.
2329         (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
2330         Mention Solaris 11 packaging changes.
2331         Update gas and gld requirements.
2332         Remove reference to pre-Solaris 10 bug.
2333         (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
2334         systems and bugs.
2335         (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
2336         with cc.
2338 2016-04-17  Jan Hubicka  <jh@suse.cz>
2340         * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
2341         max_loop_iterations_int.
2343 2016-04-18  Richard Biener  <rguenther@suse.de>
2345         PR tree-optimization/43434
2346         * tree-ssa-structalias.c (struct vls_data): New.
2347         (visit_loadstore): Handle all pointer-based accesses.
2348         (compute_dependence_clique): Compute a bitmap of restrict tags
2349         assigned bases and pass it to visit_loadstore.
2351 2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>
2353         PR target/70711
2354         * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
2355         armv8.1-a and armv8.1-a+crc.
2357 2016-04-18  Richard Biener  <rguenther@suse.de>
2359         PR tree-optimization/70701
2360         * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
2361         references after translating through a memcpy.
2363 2016-04-18  Richard Biener  <rguenther@suse.de>
2365         * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
2366         (compute_antic): ... here.  For partial antic use regular
2367         postorder and scrap iteration.
2368         (compute_partial_antic_aux): Remove unused return value.
2369         (init_pre): Do not allocate postorder.
2370         (fini_pre): Do not free postorder.
2372 2016-04-18  Richard Biener  <rguenther@suse.de>
2374         PR middle-end/37870
2375         * expmed.c (extract_bit_field_1): Remove broken case
2376         using a wider MODE_INT mode.
2378 2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>
2380         * has-brig.c (lendian16): Don't try to use __builtin_bswap16
2381         unless compiling with at least GCC-4.8.
2383 2016-04-17  Jan Hubicka  <jh@suse.cz>
2385         PR bootstrap/70706
2386         * graphite.c (graphite_finalize): Update call to
2387         tree_estimate_probability.
2388         * predict.h (tree_estimate_probability): Update prototype.
2390 2016-04-17  Jan Hubicka  <jh@suse.cz>
2392         * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
2393         (tree_estimate_probability): Likewise.
2394         (pass_profile::execute): Update.
2395         (report_predictor_hitrates): New function.
2396         * profile.c (compute_branch_probabilities): Use it.
2397         * predict.h (report_predictor_hitrates): Declare.
2399 2016-04-17  Jan Hubicka  <jh@suse.cz>
2401         PR ipa/70018
2402         * cgraph.h (cgraph_node::set_const_flag,
2403         cgraph_node::set_pure_flag): Update prototype to return bool;
2404         update comment.
2405         * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
2406         of interposable symbol are interposable, too.
2407         (cgraph_set_const_flag_1): Rename to ...
2408         (set_const_flag_1): ... this one; change to self recursive function
2409         instead of call_for_symbol_thunks_and_aliases. Handle correctly
2410         clearnig the flag in all variants and also virtual thunks of const
2411         functions are pure; track if any change was done.
2412         (cgraph_node::set_const_flag): Update.
2413         (struct set_pure_flag_info): New struct.
2414         (cgraph_set_pure_flag_1): Rename to ...
2415         (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
2416         rather than pointer encoded flags; track if any changes was done;
2417         handle correctly clearning flag and setting flag of aliases already
2418         declared const.
2419         (cgraph_node::set_pure_flag): Update.
2420         (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.
2422 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2424         PR other/70433
2425         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
2426         backslash in label.
2428 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2430         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
2431         '{}<> ' as escape-for-record.
2433 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2435         * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
2436         structure.
2438 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2440         PR other/70185
2441         * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
2442         * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
2443         * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
2444         * passes.c (finish_optimization_passes): Only call
2445         finish_graph_dump_file if dfi->graph_dump_initialized.
2446         (execute_function_dump, pass_init_dump_file): Use
2447         dfi->graph_dump_initialized instead of pass->graph_dump_initialized.
2449 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2451         PR tree-optimization/70256
2452         * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
2453         (debug_varmap): New function.
2455 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2457         PR other/70183
2458         * passes.c (pass_manager::register_pass): Propagate pflags.
2460 2016-04-17  Tom de Vries  <tom@codesourcery.com>
2462         PR other/68875
2463         * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
2464         * passes.c (pass_manager::pass_manager): Declare and init p_start in
2465         INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
2466         check if it's equal to p_start.
2467         * passes.def: Add arguments to TERMINATE_PASS_LISTs.
2469 2016-04-15  Jan Hubicka  <jh@suse.cz>
2471         PR ipa/70018
2472         * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
2473         function does not bind to current def.
2474         * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
2475         handle conservatively calls to functions that does not need to bind
2476         to current def.
2477         (check_call): Update call of worse_state.
2478         (ignore_edge_for_nothrow): Update.
2479         (ignore_edge_for_pure_const): Likewise.
2480         (propagate_pure_const): Update calls to worse_state.
2481         (skip_function_for_local_pure_const): Reformat comments.
2483 2016-04-15  Jan Hubicka  <jh@suse.cz>
2485         PR ipa/70018
2486         * cgraph.c (cgraph_node::get_availability): Add REF parameter.
2487         (cgraph_node::function_symbol): Likewise.
2488         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
2489         * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
2490         (symtab_node::ultimate_alias_target): Add REF parameter.
2491         (symtab_node::binds_to_current_def_p): Declare.
2492         (symtab_node;:ultimate_alias_target_1): Add REF parameter.
2493         (cgraph_node::function_symbol): Likewise.
2494         (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
2495         (cgraph_node::get_availability): Likewise.
2496         (cgraph_edge::binds_to_current_def_p): New inline function.
2497         (varpool_node::get_availability): Add REF parameter.
2498         (varpool_node::ultimate_alias_target): Likewise.
2499         * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
2500         (symtab_node::binds_to_current_def_p): Likewise.
2501         * varpool.c (varpool_node::get_availability): Likewise.
2503 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
2505         PR target/70662
2506         * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
2507         Fix mode size check.
2509 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
2511         * BASE-VER: Set to 7.0.0.
2513 2016-04-15  Alexander Monakov  <amonakov@ispras.ru>
2515         * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.
2517 2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2519         * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
2520         architecture revisions.
2522 2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>
2524         * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
2525         * config/i386/i386.c (ix86_using_red_zone): No longer static.
2526         * config/i386/i386.md (stack decrement to push peepholes): Guard
2527         with !x86_using_red_zone ().
2529 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
2531         PR c++/70675
2532         * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
2533         to dump_generic_node.
2534         (NIY): Pass also flags to do_niy.
2536 2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>
2538         * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
2539         (simd_clone_vector_of_formal_parm_types)
2540         (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
2541         (simd_clone_mangle, simd_clone_create)
2542         (simd_clone_adjust_return_type, create_tmp_simd_array)
2543         (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
2544         (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
2545         (ipa_simd_modify_function_body, simd_clone_linear_addend)
2546         (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
2547         (pass_data_omp_simd_clone, class pass_omp_simd_clone)
2548         (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
2549         * omp-simd-clone.c: ... this new file.
2550         (simd_clone_vector_of_formal_parm_types): Make it static.
2551         * Makefile.in (OBJS): Add omp-simd-clone.o.
2553 2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>
2555         PR target/70662
2556         * config/i386/sse.md: Use proper memory operand modifiers.
2559 2016-04-15  Richard Biener  <rguenther@suse.de>
2560         Alan Modra  <amodra@gmail.com>
2562         PR tree-optimization/70130
2563         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
2564         when alignment stays not the same and no not use the realign
2565         scheme then.
2567 2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2569         PR target/70669
2570         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
2571         direct move handlers for KFmode. Change TFmode handlers test from
2572         FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
2574 2016-04-14  Jakub Jelinek  <jakub@redhat.com>
2576         PR c++/70594
2577         * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
2578         * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
2579         (inlined_polymorphic_ctor_dtor_block_p): Use it.
2580         * tree-ssa-live.c (remove_unused_scope_block_p): When
2581         in_ctor_dtor_block, avoid discarding not just BLOCKs with
2582         BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
2583         block_ultimate_origin is FUNCTION_DECL.
2584         (remove_unused_locals): If current_function_decl is
2585         polymorphic_ctor_dtor_p, pass initial true to
2586         remove_unused_scope_block_p' is_ctor_dtor_block.
2588 2016-04-14  Martin Sebor  <msebor@redhat.com>
2590         PR c++/69517
2591         PR c++/70019
2592         PR c++/70588
2593         * doc/extend.texi (Variable Length): Revert.
2595 2016-04-14  Marek Polacek  <polacek@redhat.com>
2596             Jan Hubicka  <hubicka@ucw.cz>
2598         PR c++/70029
2599         * tree.c (verify_type): Disable the canonical type of main variant
2600         check.
2602 2016-04-14  Jason Merrill  <jason@redhat.com>
2604         * cfgexpand.c, expr.c: Revert previous change.
2606 2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>
2608         PR middle-end/70643
2609         * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
2610         when building a mem ref for the incoming reduction variable.
2612 2016-04-14  Richard Biener  <rguenther@suse.de>
2614         PR tree-optimization/70614
2615         * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
2616         loop if the evolution dropped to chrec_dont_know.
2617         (interpret_condition_phi): Likewise.
2619 2016-04-14  Richard Biener  <rguenther@suse.de>
2621         PR tree-optimization/70623
2622         * tree-ssa-pre.c (changed_blocks): Make global ...
2623         (compute_antic): ... local here.  Move and fix worklist
2624         handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
2625         (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
2626         worklist handling, dump when ANTIC_IN changed.
2627         (compute_partial_antic_aux): Remove worklist handling.
2628         (init_pre): Do not compute post dominators.  Add a comment about
2629         the CFG order chosen.
2630         (fini_pre): Do not free post dominators.
2632 2016-04-13  Martin Sebor  <msebor@redhat.com>
2634         PR c++/69517
2635         PR c++/70019
2636         PR c++/70588
2637         * doc/extend.texi (Variable Length): Document C++ specifics.
2639 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
2641         PR c++/70641
2642         * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
2643         on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
2644         eh edges have been purged.
2646         PR c++/70594
2647         * tree-sra.c (create_access_replacement,
2648         get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
2649         gets fancy name.
2650         * tree-pretty-print.c (dump_fancy_name): New function.
2651         (dump_decl_name, dump_generic_node): Use it.
2653 2016-04-13  Jason Merrill  <jason@redhat.com>
2655         * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
2656         * expr.c (expand_expr_real_1): Likewise.
2658 2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>
2660         * config/i386/i386.md (kunpckhi): Swap operands.
2661         (kunpcksi): Likewise.
2662         (kunpckdi): Likewise.
2663         * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
2664         (vec_pack_trunc_<mode>): Likewise.
2666 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
2668         PR debug/70628
2669         * explow.c (convert_memory_address_addr_space_1): Formatting fix.
2671         PR middle-end/70633
2672         * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
2673         gimplification turns some element into non-constant.
2675         PR debug/70628
2676         * rtl.h (convert_memory_address_addr_space_1): New prototype.
2677         * explow.c (convert_memory_address_addr_space_1): No longer static,
2678         add NO_EMIT argument and don't call convert_modes if true, pass
2679         it down recursively, remove break after return.
2680         (convert_memory_address_addr_space): Adjust caller.
2681         * simplify-rtx.c (simplify_unary_operation_1): Call
2682         convert_memory_address_addr_space_1 instead of convert_memory_address,
2683         if it returns NULL, don't simplify.
2685 2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2687         PR target/70630
2688         * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.
2690 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
2692         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2693         Bump the upper SIMDLEN limits, so that if the return type or
2694         characteristic type if the return type is void can be passed in
2695         all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
2696         allowed.
2698 2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2700         PR target/70640
2701         * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
2702         Do not use "=" constraint on an input constraint.
2703         (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
2704         (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
2705         (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
2706         generates (neg (abs ...)) instead of (abs ...).
2708 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
2710         PR rtl-optimization/70596
2711         * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
2712         just invalidate LRA data and reset them.  Adjust dump wording.
2714 2016-04-12  Martin Liska  <mliska@suse.cz>
2716         Revert
2717         2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
2719         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
2720         estimates here.
2721         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
2722         max_loop_iterations_int.
2723         (tree_unswitch_outer_loop): Likewise.
2724         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
2725         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
2727 2016-04-12  Tom de Vries  <tom@codesourcery.com>
2729         PR tree-optimization/68756
2730         * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
2731         instead of new_name.
2733 2016-04-12  Jakub Jelinek  <jakub@redhat.com>
2735         PR tree-optimization/70602
2736         * tree-sra.c (generate_subtree_copies): Don't write anything into
2737         constant pool decls.
2739         * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
2740         regardless whether there are depend clauses or not.
2742 2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
2744         PR target/70381
2745         * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
2746         target attribute and pragma from changing the -mfloat128
2747         and -mfloat128-hardware options.
2749         * doc/extend.texi (Additional Floating Types): Document PowerPC
2750         __float128 restrictions.
2752 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
2754         PR target/70133
2755         * config/aarch64/driver-aarch64.c
2756         (aarch64_get_extension_string_for_isa_flags): New.
2757         (arch_extension): Rename to...
2758         (aarch64_arch_extension): ...This.
2759         (ext_to_feat_string): Rename to...
2760         (aarch64_extensions): ...This.
2761         (aarch64_core_data): Keep track of architecture extension flags.
2762         (cpu_data): Rename to...
2763         (aarch64_cpu_data): ...This.
2764         (aarch64_arch_driver_info): Keep track of architecture extension
2765         flags.
2766         (get_arch_name_from_id): Rename to...
2767         (get_arch_from_id): ...This, change return type.
2768         (host_detect_local_cpu): Update and reformat for renames, handle
2769         extensions through common infrastructure.
2771 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
2773         PR target/70133
2774         * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
2775         track of a canonical flag name.
2776         (all_extensions): Likewise.
2777         (arch_to_arch_name): Also track extension flags enabled by the arch.
2778         (all_architectures): Likewise.
2779         (aarch64_parse_extension): Move to here.
2780         (aarch64_get_extension_string_for_isa_flags): Take a new argument,
2781         rework.
2782         (aarch64_rewrite_selected_cpu): Update for above change.
2783         * config/aarch64/aarch64-option-extensions.def: Rework the way flags
2784         are handled, such that the single explicit value enabled by an
2785         extension is kept seperate from the implicit values it also enables.
2786         * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
2787         to here.
2788         (aarch64_parse_extension): New.
2789         * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
2790         here to config/aarch64/aarch64-protos.h.
2791         (aarch64_parse_extension): Move from here to
2792         common/config/aarch64/aarch64-common.c.
2793         (aarch64_option_print): Update.
2794         (aarch64_declare_function_name): Likewise.
2795         (aarch64_start_file): Likewise.
2796         * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
2797         the canonical flag for extensions.
2798         * config.gcc (aarch64*-*-*): Extend regex for capturing extension
2799         flags.
2801 2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>
2803         * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
2804         AARCH64_FL_CRC.
2806 2016-04-09  Tom de Vries  <tom@codesourcery.com>
2808         PR tree-optimization/68953
2809         * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
2810         first to last subscript.
2812 2016-04-09  Jakub Jelinek  <jakub@redhat.com>
2814         PR tree-optimization/70586
2815         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
2816         for any calls.
2818 2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>
2820         PR lto/70289
2821         PR ipa/70348
2822         PR tree-optimization/70373
2823         PR middle-end/70533
2824         PR middle-end/70534
2825         PR middle-end/70535
2826         * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
2827         clauses for acc parallel reductions as necessary.  Error on those
2828         that are private.
2829         * omp-low.c (scan_sharing_clauses): Don't install variables which
2830         are used in acc parallel reductions.
2831         (lower_rec_input_clauses): Remove dead code.
2832         (lower_oacc_reductions): Add support for reference reductions.
2833         (lower_reduction_clauses): Remove dead code.
2834         (lower_omp_target): Don't remap variables appearing in acc parallel
2835         reductions.
2836         * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.
2838 2016-04-08  Jakub Jelinek  <jakub@redhat.com>
2840         PR middle-end/70593
2841         * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
2842         with multiple SSA_NAME defs, force the outputs other than first
2843         to be live before calling live_track_process_def on each output.
2845         PR rtl-optimization/70574
2846         * fwprop.c (forward_propagate_and_simplify): Don't add
2847         REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
2848         (try_fwprop_subst): Don't add REG_EQUAL note if there are any
2849         paradoxical subregs within *loc.
2851 2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>
2853         * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
2854         -ftree-parallelize-loops={0,1}.
2855         * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
2856         * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
2857         * config/ia64/hpux.h (LIB_SPEC): Likewise.
2858         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2859         * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.
2861 2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>
2863         PR sanitizer/70541
2864         * asan.c (instrument_derefs): If we get unknown location, extract it
2865         with EXPR_LOCATION.
2866         (maybe_instrument_call): Instrument gimple_call's arguments if needed.
2868 2016-04-08  Tom de Vries  <tom@codesourcery.com>
2870         * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
2871         implicit firstprivate clause.
2873 2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2875         PR target/70566
2876         * config/arm/thumb2.md (tst + branch-> lsls + branch
2877         peephole below *orsi_not_shiftsi_si): Require that condition
2878         register is dead after the peephole.
2879         (second peephole after the above): Likewise.
2881 2016-04-08  Alan Modra  <amodra@gmail.com>
2883         PR target/70117
2884         * builtins.c (fold_builtin_classify): For IBM extended precision,
2885         look at just the high-order double to test for NaN.
2886         (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
2887         test just the high double for Inf but both doubles for subnormal
2888         limit.
2890 2016-04-07  Jakub Jelinek  <jakub@redhat.com>
2892         * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
2893         * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
2894         node->simdclone->mask_mode != VOIDmode masks.
2895         (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
2896         earlier, use it instead of node->simdclone.
2897         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2898         Set clonei->mask_mode.
2900 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
2902         PR c/70436
2903         * parser.c (cp_parser_iteration_statement): New parameter IF_P.
2904         Pass it through to cp_parser_already_scoped_statement.
2905         (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
2906         it through to cp_parser_statement.
2907         (cp_parser_statement): Pass IF_P through to
2908         cp_parser_iteration_statement.
2909         (cp_parser_pragma): Adjust call to
2910         cp_parser_iteration_statement.
2912 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
2914         PR c/70436
2915         * gimplify.c (gimplify_omp_ordered): Add explicit braces to
2916         resolve a future -Wparentheses warning.
2917         * omp-low.c (scan_sharing_clauses): Likewise.
2918         * tree-parloops.c (eliminate_local_variables): Likewise.
2920 2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>
2922         PR rtl-optimization/70398
2923         * lra-constraints.c (process_address_1): Check zero scale and code
2924         for reloading with zero scale.
2926 2016-04-06  Uros Bizjak  <ubizjak@gmail.com>
2928         * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
2929         (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.
2931 2016-04-06  Jakub Jelinek  <jakub@redhat.com>
2933         * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
2934         Add support for AVX512F clones, include them by default for
2935         exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
2936         and use it if charasteric type is 8-bit, for AVX512F allow simdlen
2937         up to 128.
2939         PR middle-end/70550
2940         * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
2941         * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
2942         firstprivate clauses.
2943         * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
2944         OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
2945         (lower_omp_target): Set TREE_NO_WARNING for
2946         non-addressable possibly uninitialized vars which are copied into
2947         addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.
2949 2016-04-05  John David Anglin  <danglin@gcc.gnu.org>
2951         * config/pa/predicates.md (integer_store_memory_operand): Accept
2952         REG+D operands with a large offset when reload_in_progress is true.
2953         (floating_point_store_memory_operand): Likewise.
2955 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
2957         PR c++/70336
2958         * match.pd (nested int casts): Limit to GIMPLE.
2960 2016-04-05  Jan Hubicka  <hubicka@ucw.cz>
2962         PR ipa/66223
2963         * ipa-devirt.c (maybe_record_node): Fix comment; use
2964         SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.
2966 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
2968         PR rtl-optimization/70542
2969         * ree.c (add_removable_extension): For VECTOR_MODE_P punt
2970         if there are any uses other than insn or debug insns.
2972 2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
2973             Jakub Jelinek  <jakub@redhat.com>
2975         PR tree-optimization/70509
2976         * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
2977         Shift HOST_WIDE_INT_1U instead of 1.
2979 2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>
2981         PR tree-optimization/70509
2982         * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
2983         of the vector base type for index.
2985 2016-04-05  Uros Bizjak  <ubizjak@gmail.com>
2987         PR target/70510
2988         * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.
2990 2016-04-05  Richard Biener  <rguenther@suse.de>
2992         PR tree-optimization/70526
2993         * tree-sra.c (build_ref_for_offset): Use prev_base to
2994         extract the alias pointer type.
2996 2016-04-05  Richard Biener  <rguenther@suse.de>
2998         * dse.c (struct store_info): Remove alias_set member.
2999         (struct read_info_type): Likewise.
3000         (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
3001         spill_deleted, clear_alias_set_lookup): Remove.
3002         (get_group_info): Remove dead base == NULL_RTX case.
3003         (dse_step0): Remove initialization of removed variables.
3004         (delete_dead_store_insn): Reomve alias set dumping.
3005         (free_read_records): Remove alias_set handling.
3006         (canon_address): Remove alias_set_out parameter.
3007         (record_store): Remove spill_alias_set, it's always zero.
3008         (check_mem_read_rtx): Likewise.
3009         (dse_step2): Rename from ...
3010         (dse_step2_nospill): ... this.  Adjust.
3011         (scan_stores): Rename from ...
3012         (scan_stores_nospill): ... this.
3013         (scan_reads): Rename from ...
3014         (scan_reads_nospill): ... this.
3015         (scan_stores_spill, scan_reads_spill): Remove.
3016         (dse_step3_scan): Remove for_spills argument which is always false.
3017         (dse_step3): Likewise.
3018         (dse_step5): Rename from ...
3019         (dse_step5_nospill): ... this.  Remove alias_set handling.
3020         (rest_of_handle_dse): Adjust.
3022 2016-04-05  Jakub Jelinek  <jakub@redhat.com>
3024         PR target/70525
3025         * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
3026         Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
3027         V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
3028         (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.
3030 2016-04-05  Richard Biener  <rguenther@suse.de>
3032         PR middle-end/70499
3033         * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
3034         non-register type temporaries into SSA.
3036 2016-04-04  Jan Hubicka  <hubicka@ucw.cz>
3038         PR ipa/66223
3039         * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
3040         calls when sanitizing.
3041         (possible_polymorphic_call_target_p): Fix formatting.
3043 2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3044             Jakub Jelinek <jakub@redhat.com>
3046         PR middle-end/70457
3047         * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
3048         to ensure a call statement is compatible with a built-in's
3049         prototype.
3050         * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
3051         Likewise.
3053 2016-04-04  Richard Biener  <rguenther@suse.de>
3055         PR rtl-optimization/70484
3056         * rtl.h (canon_output_dependence): Declare.
3057         * alias.c (canon_output_dependence): New function.
3058         * dse.c (record_store): Use canon_output_dependence rather
3059         than canon_true_dependence.
3061 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
3063         PR ipa/68881
3064         * cgraph.h (symtab_node::copy_visibility_from): New function.
3065         * symtab.c (symtab_node::copy_visibility_from): New function.
3066         * ipa-visibility.c (optimize_weakref): New function.
3067         (function_and_variable_visibility): Use it.
3069 2016-04-04  Martin Liska  <mliska@suse.cz>
3071         PR hsa/70402
3072         * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
3073         value that is really in range handled by SBR instruction.
3074         * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
3075         * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
3076         * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.
3078 2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>
3080         PR target/70416
3081         PR target/67391
3082         * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
3083         set, but not for SP_REG operands.
3085 2016-04-02  Martin Sebor  <msebor@redhat.com>
3087         PR c++/67376
3088         * fold-const.c (maybe_nonzero_address): New function.
3089         (fold_comparison): Call it.  Fold equality and relational
3090         expressions involving null pointers.
3091         (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.
3093 2016-03-31  Evandro Menezes  <e.menezes@samsung.com>
3095         Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
3096         the "Y" constraint (scalar FP 0.0 immediate).
3098         * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
3099         Add the "const_double" to the list of operand constraints.
3101 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
3103         PR rtl-optimization/70467
3104         * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
3105         If low word of the last operand is 0, just emit addition/subtraction
3106         for the high word.
3108 2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
3110         PR target/70404
3111         * config/s390/s390.c (s390_expand_insv): Check for everything
3112         constant instead of just VOIDmode stuff.
3114 2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3116         PR target/70496
3117         * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.
3119 2016-04-01  Nathan Sidwell  <nathan@acm.org>
3121         * tree.def (TRY_CATCH_EXPR): Correct documentation.
3123 2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>
3125         PR rtl-optimization/70461
3126         * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
3127         is necessary.
3129 2016-03-31  Martin Liska  <mliska@suse.cz>
3131         PR hsa/70399
3132         * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
3133         a tree value or an immediate integer value to a buffer
3134         that is eventually copied to a BRIG section.
3135         (emit_immediate_operand): Call the function here.
3136         * hsa-dump.c (dump_hsa_immed): Remove checking assert.
3137         * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
3138         of class' fields that are removed.
3139         (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
3140         * hsa.h (class hsa_op_immed): Remove m_brig_repr and
3141         m_brig_repr_size fields.
3143 2016-03-31  Martin Liska  <mliska@suse.cz>
3145         PR hsa/70391
3146         * hsa-gen.c (hsa_function_representation::update_dominance): New
3147         function.
3148         (convert_addr_to_flat_segment): Likewise.
3149         (gen_hsa_memory_set): New alignment argument.
3150         (gen_hsa_ctor_assignment): Likewise.
3151         (gen_hsa_insns_for_single_assignment): Provide alignment
3152         to gen_hsa_ctor_assignment.
3153         (gen_hsa_insns_for_direct_call): Add new argument.
3154         (expand_lhs_of_string_op): New function.
3155         (expand_string_operation_builtin): Likewise.
3156         (expand_memory_copy): New function.
3157         (expand_memory_set): New function.
3158         (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
3159         (convert_switch_statements): Change signature.
3160         (generate_hsa): Use a return value of the function.
3161         (pass_gen_hsail::execute): Do not call
3162         convert_switch_statements here.
3163         * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
3164         * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
3165         (hsa_function_representation::update_dominance): New function.
3167 2016-03-31  Martin Liska  <mliska@suse.cz>
3169         PR hsa/70391
3170         * hsa-brig.c (emit_directive_variable): Emit alignment
3171         according to hsa_symbol::m_align.
3172         * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
3173         (dump_hsa_symbol): Dump alignment of HSA symbols.
3174         * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
3175         (gen_hsa_addr_with_align): New function.
3176         (hsa_bitmemref_alignment): Use newly added function.
3177         (gen_hsa_insns_for_load): Likewise.
3178         (gen_hsa_insns_for_store): Likewise.
3179         (gen_hsa_memory_copy): New argument added.
3180         (gen_hsa_insns_for_single_assignment): Respect
3181         alignment for assignments processed via gen_hsa_memory_copy.
3182         (gen_hsa_insns_for_direct_call): Likewise.
3183         (gen_hsa_insns_for_return): Likewise.
3184         (gen_function_def_parameters): Set default alignment.
3185         * hsa.c (hsa_object_alignment): New function.
3186         (hsa_byte_alignment): Pasted function.
3187         * hsa.h (hsa_symbol::m_align): New field.
3189 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
3191         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
3192         scratch field for goto case.
3194 2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>
3196         * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.
3198 2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>
3200         PR target/70442
3201         * config/i386/i386.c (scalar_chain::convert_op): Fix description.
3202         (scalar_chain::convert_insn): Call convert_op for reg
3203         moves to handle undefined registers.
3205 2016-03-31  Nathan Sidwell  <nathan@acm.org>
3207         PR c++/70393
3208         * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
3209         Assert we don't want to move backwards.
3211 2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>
3213         PR target/70453
3214         * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.
3216 2016-03-31  Jakub Jelinek  <jakub@redhat.com>
3218         PR rtl-optimization/70460
3219         * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
3220         with operand from REG_LABEL_OPERAND, instead substitute
3221         SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
3222         Don't do anything for REG_NON_LOCAL_GOTO jumps.
3224 2016-03-31  Martin Liska  <mliska@suse.cz>
3226         * passes.c (execute_one_pass): Do not call
3227         todo_after for a discarded function.
3229 2016-03-31  Bin Cheng  <bin.cheng@arm.com>
3231         * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
3232         (no_cost, infinite_cost): Initialize the new field.
3233         (get_computation_cost_at): Record setup cost.
3234         (determine_use_iv_cost_address): Skip cost computation for sub
3235         uses if we can estimate it without losing accuracy.
3237 2016-03-30  Jan Hubicka  <hubicka@ucw.cz>
3239         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
3240         estimates here.
3241         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
3242         max_loop_iterations_int.
3243         (tree_unswitch_outer_loop): Likewise.
3244         * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
3245         * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
3247 2016-03-30  Richard Biener  <rguenther@suse.de>
3249         PR middle-end/70450
3250         * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.
3252 2016-03-30  Jakub Jelinek  <jakub@redhat.com>
3254         PR target/70421
3255         * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
3256         in gen_blendm expander.
3258 2016-03-30  Nick Clifton  <nickc@redhat.com>
3260         PR target/62254
3261         * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
3262         case where we are already provided with an SImode SUBREG.
3264 2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>
3266         PR target/70439
3267         * config/i386/i386.c (ix86_expand_epilogue): Properly check
3268         conflict between DRAP register and __builtin_eh_return.
3270 2016-03-30  Michael Matz  <matz@suse.de>
3271             Richard Biener  <rguenther@suse.de>
3273         PR ipa/12392
3274         * ipa-polymorphic-call.c (struct type_change_info): Change
3275         speculative to an unsigned allowing to limit the work we do.
3276         (csftc_abort_walking_p): New inline function..
3277         (check_stmt_for_type_change): Limit the number of may-defs
3278         skipped for speculative devirtualization to
3279         max-speculative-devirt-maydefs.
3280         * params.def (max-speculative-devirt-maydefs): New param.
3281         * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.
3283 2016-03-30  Mike Stump  <mrs@gcc.gnu.org>
3285         PR target/63890
3286         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
3287         and TARGET_MACHO.
3289 2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>
3291         PR tree-optimization/59124
3292         * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
3293         where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).
3295 2016-03-29  Jeff Law  <law@redhat.com>
3297         * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.
3299 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3301         * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
3302         to HOST_WIDE_INT.
3304 2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>
3306         * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
3307         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
3308         gcrt0.o if linking dynamically.
3310 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
3312         PR ipa/70283
3313         * ipa-devirt.c (methods_equal_p): New function.
3314         (compare_virtual_tables): Use it.
3315         * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
3316         * cgraphclones.c (clone_function_name_1): Use
3317         symbol_table::symbol_suffix_separator.
3318         * coverage.c (build_var): Likewise.
3319         * symtab.c (symbol_table::symbol_suffix_separator): New.
3321 2016-03-29  Jakub Jelinek  <jakub@redhat.com>
3323         PR rtl-optimization/70429
3324         * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
3325         (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
3326         mode != result_mode.
3328         PR c++/70353
3329         * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.
3331         PR tree-optimization/70405
3332         * ssa-iterators.h (num_imm_uses): Add missing braces.
3334 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
3336         PR rtl-optimization/68695
3337         * ira-color.c (allocno_copy_cost_saving): New.
3338         (improve_allocation): Use it.
3340 2016-03-29  Richard Henderson  <rth@redhat.com>
3342         PR middle-end/70355
3343         * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.
3345 2016-03-29  Richard Biener  <rguenther@suse.de>
3347         PR middle-end/70424
3348         * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
3349         use alignment returned by get_pointer_alignment_1 if it is
3350         bigger than BITS_PER_UNIT.
3351         * builtins.c (get_pointer_alignment_1): Do not return true
3352         for alignment extracted from SSA info.
3354 2016-03-28  James Bowman  <james.bowman@ftdichip.com>
3356         * config/ft32/ft32.opt (mnodiv): New.
3357         * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
3358         * doc/invoke.texi (FT32 Options -mnodiv): New.
3360 2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>
3362         PR target/70406
3363         * config/i386/i386.md (define_split, andn): Fix modes.
3365 2016-03-26  Richard Biener  <rguenther@suse.de>
3366             Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
3368         PR ipa/70366
3369         * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
3370         instead of
3371         TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
3372         as 2nd argument to cl_optimization_restore().
3374 2016-03-25  Richard Henderson  <rth@redhat.com>
3376         PR target/70120
3377         * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
3378         * config/aarch64/aarch64-protos.h: Declare it.
3379         * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.
3381 2016-03-25  Alan Modra  <amodra@gmail.com>
3383         PR target/70052
3384         * config/rs6000/constraints.md (j): Simplify.
3385         * config/rs6000/predicates.md (easy_fp_constant): Exclude
3386         decimal float 0.D.
3387         * config/rs6000/rs6000.md (zero_fp): New mode_attr.
3388         (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
3389          mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
3390         in all constraint alternatives.
3391         (movtd_64bit_nodm): Delete "j" constraint alternative.
3393 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
3395         * tree-ssa-propagate.c: Enhance docs for
3396         SSA_PROP_NOT_INTERESTING.
3398 2016-03-24  Aldy Hernandez  <aldyh@redhat.com>
3400         * doc/extend.texi: Fix typo in documentation to pure attribute.
3402 2016-03-24  John David Anglin  <danglin@gcc.gnu.org>
3404         PR target/70319
3405         * config/pa/pa.md (bswapdi2): Use a scratch register.
3407 2016-03-24  Richard Henderson  <rth@redhat.com>
3409         PR middle-end/69845
3410         * fold-const.c (extract_muldiv_1): Correct test for multiplication
3411         overflow.
3413 2016-03-24  Uros Bizjak  <ubizjak@gmail.com>
3415         * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
3416         using ix86_expand_binary_operator instead of gen_andsi3.
3418 2016-03-24  Richard Biener  <rguenther@suse.de>
3420         PR tree-optimization/70396
3421         * tree-vect-stmts.c (vectorizable_comparison): Use
3422         get_vectype_for_scalar_type.
3424 2016-03-24  Richard Biener  <rguenther@suse.de>
3426         PR middle-end/70370
3427         * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
3428         with register bases.
3430 2016-03-24  Richard Biener  <rguenther@suse.de>
3432         PR tree-optimization/70372
3433         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
3434         build_all_ones_cst to also handle vector types correctly.
3436 2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
3438         PR target/70381
3439         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
3440         -mfloat128 here.
3442 2016-03-23  Marek Polacek  <polacek@redhat.com>
3444         PR c++/69884
3445         * doc/invoke.texi: Document -Wignored-attributes.
3447 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
3449         PR tree-optimization/69042
3450         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
3451         parameter from 30 to 40.
3453 2016-03-23  Bin Cheng  <bin.cheng@arm.com>
3455         PR tree-optimization/69042
3456         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
3457         for use with constant offset stripped in base.
3459 2016-03-23  Richard Biener  <rguenther@suse.de>
3461         PR middle-end/70251
3462         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
3463         mode compatibility check.
3464         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3466 2016-03-23  Jeff Law  <law@redhat.com>
3468         PR tree-optimization/64058
3469         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
3470         CONFLICT_COUNT.
3471         (struct ssa_conflicts): Move up earlier in the file.
3472         (conflicts_, var_map_): New static variables.
3473         (initialize_conflict_count): New function to initialize the
3474         CONFLICT_COUNT field for each conflict pair.
3475         (compare_pairs): Lazily initialize the conflict count and use it
3476         as the first tie-breaker.
3477         (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
3478         and wipe conflicts_ and map_ around the call to qsort.  Remove
3479         special case for 2 coalesce pairs.
3480         * bitmap.c (bitmap_count_unique_bits): New function.
3481         (bitmap_count_bits_in_word): New function, extracted from
3482         bitmap_count_bits.
3483         (bitmap_count_bits): Use bitmap_count_bits_in_word.
3484         * bitmap.h (bitmap_count_unique_bits): Declare it.
3486 2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>
3488         PR target/69917
3489         * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
3490         transparent alias chain for decl assembler name.
3491         * config/sol2.c (solaris_assemble_visibility): Likewise.
3493 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3495         * config/arm/arm1020e.md (1020call_op): Reduce reservation
3496         duration.
3497         (v10_fdivs): Likewise.
3498         (v10_fdivd): Likewise.
3500 2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
3502         PR driver/70132
3503         * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
3504         to not call fclose twice on file.
3506 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
3508         PR tree-optimization/70354
3509         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
3510         oprnd0 is wider than oprnd1 and there is a cast from the wider
3511         type to oprnd1, mask it with the mask of the narrower type.
3513         PR target/70321
3514         * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
3515         Optimize TARGET_STV splitters, if high or low word of last argument
3516         is 0 or -1.
3518 2016-03-22  Jeff Law  <law@redhat.com>
3520         PR target/70232
3521         tree-ssa-threadbackward.c
3522         (fsm_find_control_statement_thread_paths): Correctly distinguish
3523         between old style jump threads vs FSM jump threads.
3525 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
3527         PR target/70302
3528         * config/i386/i386.c (scalar_chain::convert_op): Support
3529         uninitialized register usage case.
3531 2016-03-22  Richard Biener  <rguenther@suse.de>
3533         PR middle-end/70251
3534         * genmatch.c (gen_transform): Adjust last parameter to a three-state
3535         int...
3536         (capture::gen_transform): ... to change behavior when substituting
3537         a condition into cond or not-cond expr context.
3538         (dt_simplify::gen_1): Adjust.
3539         * gimple-match-head.c: Include gimplify.h for unshare_expr.
3540         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
3541         last change and instead change to
3542         A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
3543         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3545 2016-03-22  Anthony Green  <green@moxielogic.com>
3547         * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
3548         issue for moxiebox targets.
3549         (CC1PLUS_SPEC): Ditto.
3551 2016-03-22  Richard Biener  <rguenther@suse.de>
3553         PR middle-end/70333
3554         * fold-const.c (extract_muldiv_1): Properly perform multiplication
3555         in the wide type.
3557 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
3559         * config/i386/i386.c (def_builtin): Remove duplicated functionality.
3561 2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>
3563         PR target/70325
3564         * config/i386/i386.c (def_builtin): Handle
3565         OPTION_MASK_ISA_AVX512VL to be and-ed with other
3566         bits.
3567         (const struct builtin_description bdesc_special_args[]):
3568         Remove duplicate ISA bits.
3570 2016-03-22  Jakub Jelinek  <jakub@redhat.com>
3572         PR target/70329
3573         * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
3574         d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
3575         in a way that works also for AVX512BW.
3577         PR target/70300
3578         * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
3579         instead of source if operands[1] is xmm16 and above and
3580         !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
3581         vec_interleave_lowv4sf if we need to unpack xmm16 and above.
3583         PR c++/70295
3584         * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
3585         on assign if (*from_p) is a comparison, set it to
3586         TREE_NO_WARNING (*from_p).
3588 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
3590         PR middle-end/70326
3591         * lra.c (restore_scratches): Ignore deleted insns.
3593 2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
3594             Jakub Jelinek  <jakub@redhat.com>
3596         PR tree-optimization/70317
3597         * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
3598         to HONOR_NANS.
3600 2016-03-21  Uros Bizjak  <ubizjak@gmail.com>
3602         PR target/70327
3603         * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
3604         of ix86_expand_move.
3605         (movoi): Ditto.
3606         (movti): Use general_operand for operand 1 predicate.
3608 2016-03-21  Martin Liska  <mliska@suse.cz>
3610         * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
3611         insns.
3612         (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.
3614 2016-03-21  Martin Liska  <mliska@suse.cz>
3616         PR ipa/70306
3617         * ipa-icf.c (sem_function::parse): Skip static
3618         constructors and destructors.
3620 2016-03-21  Jakub Jelinek  <jakub@redhat.com>
3622         PR target/70296
3623         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
3624         function-like macro, peek following token(s) if it is followed
3625         by CPP_OPEN_PAREN token with optional padding in between, and
3626         if not, don't treat it like a macro.
3628 2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
3629             Alexander Monakov  <amonakov@ispras.ru>
3631         * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
3632         for the stabs debug format.
3634 2016-03-21  Richard Biener  <rguenther@suse.de>
3636         PR tree-optimization/70310
3637         * tree-vect-generic.c (expand_vector_condition): Fold the built
3638         condition.
3640 2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>
3642         PR target/70293
3643         * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
3644         Block third alternative for AVX-512VL target,
3646 2016-03-21  Martin Liska  <mliska@suse.cz>
3648         PR hsa/70234
3649         * hsa-brig.c (emit_function_directives): Mark unemitted
3650         global variables for emission.
3651         * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
3652         (get_symbol_for_decl): Likewise.
3653         * hsa.h (struct hsa_symbol): New flag.
3655 2016-03-21  Richard Biener  <rguenther@suse.de>
3657         PR tree-optimization/70288
3658         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
3659         we do not estimate unsimplified all-constant conditionals or
3660         switches as optimized away.
3662 2016-03-21  Andrey Belevantsev  <abel@ispras.ru>
3664         PR rtl-optimization/69102
3665         * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
3666         when we have a readonly dependency context.
3668 2016-03-18  Jeff Law  <law@redhat.com>
3670         PR rtl-optimization/70263
3671         * ira.c (memref_used_between_p): Assert we found END in the insn chain.
3672         (update_equiv_regs): When trying to move a store to after the insn
3673         that sets the source of the store, make sure the store occurs after
3674         the insn that sets the source of the store.  When successful note
3675         the REG_EQUIV note created in the dump file.
3677 2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
3678             Bernd Schmidt  <bschmidt@redhat.com>
3680         * doc/extend.texi: Document more potential problems with basic asms.
3682 2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>
3684         PR rtl-optimization/70278
3685         * lra-constraints.c (split_reg): Handle the case where biggest_mode is
3686         VOIDmode.
3688 2016-03-18  Jason Merrill  <jason@redhat.com>
3690         * calls.c (load_register_parameters): Fix zero size sibcall logic.
3692 2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>
3694         * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
3695         values to 128b regs.
3697 2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
3699         PR tree-optimization/70252
3700         * tree-vect-stmts.c (supportable_widening_operation): Check resulting
3701         boolean vector has a proper number of elements.
3702         (supportable_narrowing_operation): Likewise.
3704 2016-03-18  Tom de Vries  <tom@codesourcery.com>
3706         PR ipa/70269
3707         * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.
3709 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
3711         * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
3712         instead of replace_rtx for DEBUG_INSNs.
3714 2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
3716         * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
3717         load type reservations.
3719 2016-03-17  John David Anglin  <danglin@gcc.gnu.org>
3721         PR target/70188
3722         * config/pa/constraints.md: Revert 2015-02-13 change.  Use
3723         define_constraint for "Q" and "T" constraints.
3725 2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
3727         Tweak the pipeline model for Exynos M1
3729         * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
3730         model.
3732 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
3734         PR c/70264
3735         * diagnostic-show-locus.c (compatible_locations_p): Handle the case
3736         where one or both locations aren't within a line_map.
3738 2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>
3740         PR driver/70192
3741         * opts.c (finish_options): Don't set flag_pie to the default if
3742         -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
3743         if it is -1.
3745 2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>
3747         * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
3748         true as ALL_REGS argument to replace_rtx.
3750 2016-03-17  Richard Biener  <rguenther@suse.de>
3752         PR debug/70271
3753         * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
3754         last.
3756 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
3758         PR target/70245
3759         * rtl.h (replace_rtx): Add ALL_REGS argument.
3760         * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
3761         equality and assert mode is the same, instead of just rtx pointer
3762         equality.
3763         * config/i386/i386.md (mov + arithmetics with load peephole): Pass
3764         true as ALL_REGS argument to replace_rtx.
3766 2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>
3768         * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
3769         for boolean vector with vector mode only.
3770         (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.
3772 2016-03-17  Nick Clifton  <nickc@redhat.com>
3774         PR target/70162
3775         * config/rx/rx.c (rx_print_integer): Print negative constants in
3776         decimal.
3778 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
3780         PR target/70261
3781         * rtlanal.c (replace_rtx): Revert 2016-03-16 change.
3783 2016-03-16  Richard Henderson  <rth@redhat.com>
3784             Richard Biener  <rguenth@suse.de>
3786         PR middle-end/70240
3787         PR middle-end/68215
3788         PR tree-opt/68714
3789         * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
3790         first operand as is_gimple_condexpr.
3792         PR middle-end/70240
3793         PR middle-end/68215
3794         Revert r231575
3795         2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
3796         * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
3797         Do not gimplify the result.
3798         (do_unop): Adjust call to tree_vec_extract.
3799         (do_binop): Likewise.
3800         (do_compare): Likewise.
3801         (do_plus_minus): Likewise.
3802         (do_negate): Likewise.
3803         (expand_vector_condition): Likewise.
3804         (do_cond): Likewise.
3806 2016-03-16  Richard Henderson  <rth@redhat.com>
3808         PR target/70048
3809         * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
3810         (aarch64_classify_address): Use it.
3811         (aarch64_legitimize_address): Force all subexpressions of PLUS
3812         into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.
3814 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
3815             Richard Biener  <rguenth@suse.de>
3817         PR target/70245
3818         * rtlanal.c (replace_rtx): For REG, if from is a REG,
3819         return to even if only REGNO is equal, and assert
3820         mode is the same.
3822 2016-03-11  Jeff Law  <law@redhat.com>
3824         PR rtl-optimization/70224
3825         * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.
3827 2016-03-16  Richard Henderson  <rth@redhat.com>
3829         PR middle-end/70199
3830         * function.h (struct function): Add has_forced_label_in_static.
3831         * gimplify.c (force_labels_r): Set it.
3832         * lto-streamer-in.c (input_struct_function_base): Read it.
3833         * lto-streamer-out.c (output_struct_function_base): Write it.
3834         * tree-inline.c (has_label_address_in_static_1): Remove.
3835         (copy_forbidden): Remove fndecl parameter; test
3836         has_forced_label_in_static.
3837         (inline_forbidden_p): Update call to copy_forbidden.
3838         (tree_versionable_function_p): Likewise.
3839         * ipa-chkp.c (chkp_instrumentable_p): Likewise.
3840         (chkp_versioning): Likewise.
3841         * tree-inline.h (copy_forbidden): Update decl.
3843 2016-03-16  Marek Polacek  <polacek@redhat.com>
3845         PR c/70093
3846         * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
3847         function being thunked if the result type doesn't have fixed size.
3848         * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
3849         doesn't have fixed size.
3851 2016-03-16  Bin Cheng  <bin.cheng@arm.com>
3853         * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
3854         reporting malformed loop nest.
3856 2016-03-16  Tom de Vries  <tom@codesourcery.com>
3858         PR lto/70187
3859         * ipa-devirt.c (possible_polymorphic_call_targets): Move
3860         nodes.length () == 1 test to before first nodes[0] access.
3862 2016-03-16  Tom de Vries  <tom@codesourcery.com>
3864         PR tree-optimization/68715
3865         * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
3866         single_pred_p test.
3868 2016-03-16  Tom de Vries  <tom@codesourcery.com>
3870         PR tree-optimization/68809
3871         * graphite-scop-detection.c (same_close_phi_node): Test if result types
3872         are the same.
3874 2016-03-16  Carlos O'Donell  <carlos@redhat.com>
3875             Sandra Loosemore  <sandra@codesourcery.com>
3877         * doc/extend.texi (Common Function Attributes): Describe ifunc impact
3878         on leaf attribute. Mention ELF interposition problems.
3880 2016-03-16  Alan Modra  <amodra@gmail.com>
3882         PR rtl-optimization/69195
3883         PR rtl-optimization/47992
3884         * ira.c (indirect_jump_optimize): Ignore artificial defs.
3885         Add comments.
3887 2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>
3889         PR bootstrap/69513
3890         * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.
3892 2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
3894         * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.
3896 2016-03-15  Jakub Jelinek  <jakub@redhat.com>
3898         PR rtl-optimization/70222
3899         * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
3900         optimization if mode is different from result_mode, queue up masking
3901         of the result in outer_op.  Formatting fix.
3903         PR middle-end/70239
3904         * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
3905         of safe_grow.
3907 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3909         PR rtl-optimization/69032
3910         * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
3911         looping backwards over basic block insns.
3913 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3915         PR target/66660
3916         * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
3917         to non-speculative when propagating trap bits.
3919 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3921         PR rtl-optimization/63384
3922         * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
3923         DEBUG_INSN_P insns.
3925 2016-03-15  Andrey Belevantsev  <abel@ispras.ru>
3927         PR target/64411
3928         * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
3929         factored out from ...
3930         (sched_analyze_insn): ... here.
3931         * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
3932         * sel-sched-ir.c (setup_id_implicit_regs): New function, use
3933         get_implicit_reg_pending_clobbers in it.
3934         (setup_id_reg_sets): Use setup_id_implicit_regs.
3935         (deps_init_id): Ditto.
3937 2016-03-15  Tom de Vries  <tom@codesourcery.com>
3939         PR ipa/70161
3940         * cgraph.c (cgraph_node::get_body): Save, reset and restore
3941         dump_file_name.
3942         * passes.c (execute_one_ipa_transform_pass): Add missing argument to
3943         execute_function_dump.
3944         (execute_one_pass): Don't dump function if it will be dumped after ipa
3945         transform.
3947 2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
3949         * genrecog.c (match_pattern_2): If pred is NULL don't call
3950         safe_predicate_mode on it.
3952 2016-03-14  Jakub Jelinek  <jakub@redhat.com>
3954         PR middle-end/70219
3955         * lra-constraints.c (delete_move_and_clobber): Change assertion
3956         to also allow dregno == 0.
3958 2016-03-14  Richard Henderson  <rth@redhat.com>
3960         PR tree-opt/68714
3961         * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
3962         (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
3963         (reassociate_bb): Use optimize_vec_cond_expr; avoid
3964         optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
3965         on vectors.
3967 2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>
3969         PR target/70083
3970         * lra-lives.c (process_bb_lives): Also update biggest mode for hard
3971         regs.
3972         (lra_create_live_ranges_1): initialize hard register biggest_mode to
3973         VOIDmode.
3974         * lra-constraints.c (split_reg): For hard regs, try to find the
3975         biggest single-register mode used in the function.
3977 2016-03-14  Richard Biener  <rguenther@suse.de>
3979         PR tree-optimization/56365
3980         * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
3981         constants to compare against.
3983 2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>
3985         PR target/70098
3986         * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
3987         *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
3988         (define_split for the GPR case): Use int_reg_operand instead of
3989         gpc_reg_operand for the output.
3991 2016-03-14  Tom de Vries  <tom@codesourcery.com>
3993         PR tree-optimization/70045
3994         * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
3995         create_empty_if_region_on_edge argument.
3997 2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>
3999         * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
4000         (STACK_CHECK_PROTECT): Likewise.
4001         * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
4002         (STACK_CHECK_PROTECT): Likewise.
4003         * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
4004         (STACK_CHECK_PROTECT): Likewise.
4005         * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
4006         * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
4007         (STACK_CHECK_PROTECT): Likewise.
4009 2016-03-12  Andrey Belevantsev  <abel@ispras.ru>
4011         PR rtl-optimization/69307
4012         * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
4013         registers in modes that span more than one register.
4015 2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>
4017         PR target/69614
4018         * lra-constraints.c (delete_move_and_clobber): New.
4019         (remove_inheritance_pseudos): Use it.
4021 2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>
4023         PR ada/70017
4024         * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
4025         the libcall is LCT_THROW.
4026         * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
4027         for the checking routine.
4029 2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
4031         PR target/70131
4032         * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
4033         optimization if we have direct move.
4034         (roundu32<mode>2_fprs): Likewise.
4036 2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>
4038         PR target/70123
4039         * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
4040         be rematerialized.
4041         (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
4042         Arguments swapped.  All callers changed.  Take reg_renumber into
4043         account, and Calculate and compare register ranges for hard regs.
4045 2016-03-11  Jeff Law  <law@redhat.com>
4047         PR tree-optimization/70190
4048         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4049         Handle cases where we can not extract the taken edge, even though we
4050         found a constant value.
4052         PR tree-optimization/64058
4053         * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
4054         (num_coalesce_pairs): Move up earlier in file.
4055         (find_coalesce_pair): Initialize the INDEX field for each pair
4056         discovered.
4057         (compare_pairs): No longer sort on the elements in each pair.
4058         Instead break ties with the index of the coalesce pair.
4060 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4062         PR target/70002
4063         * config/aarch64/aarch64-protos.h
4064         (aarch64_save_restore_target_globals): New prototype.
4065         * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
4066         Call the above when popping pragma.
4067         * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
4068         New function.
4069         (aarch64_set_current_function): Rewrite using the above.
4071 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
4073         PR tree-optimization/70177
4074         * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
4075         (extract_ops_from_tree): ... this.  In the 2 argument
4076         overload remove _1 suffix.
4077         * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
4078         (extract_ops_from_tree): ... this.
4079         * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
4080         Adjust callers.
4081         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
4082         * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
4083         extract_ops_from_tree instead of 2 operand one.
4085 2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>
4087         PR tree-optimization/70013
4088         * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
4089         for constant-pool entries.
4091 2016-03-11  Jakub Jelinek  <jakub@redhat.com>
4093         PR rtl-optimization/70174
4094         * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
4095         followed by gen_lowpart on force_reg instead of just gen_lowpart.
4097         PR tree-optimization/70169
4098         * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
4099         LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
4100         for unknown codes.
4102 2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
4103             Jakub Jelinek  <jakub@redhat.com>
4105         PR target/70160
4106         * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
4107         of uninitialized values.
4109 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4111         * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
4112         define_expand.
4113         ("*trunctddd2"): New pattern definition.
4114         ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
4115         TD->DD truncation.
4117 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4119         * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
4120         definitions for BFP and DFP rounding modes.
4121         ("fixuns_truncdddi2", "fixuns_trunctddi2")
4122         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
4123         ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
4124         ("fix_trunctf<mode>2"): Use the new constants instead of magic
4125         numbers.
4127 2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4129         * config/s390/constraints.md: Adjust comment.
4130         ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
4131         s390_decompose_addrstyle_without_index.
4132         * config/s390/predicates.md (shift_count_or_setmem_operand):
4133         Rename to setmem_operand.
4134         * config/s390/s390-protos.h
4135         (s390_decompose_shift_count): Rename to
4136         s390_decompose_addrstyle_without_index.
4137         * config/s390/s390.c (s390_decompose_shift_count)
4138         (s390_mem_constraint, print_shift_count_operand)
4139         (print_operand_address, print_operand): Rename
4140         s390_decompose_shift_count to
4141         s390_decompose_addrstyle_without_index and rename
4142         print_shift_count_operand to print_addrstyle_operand troughout the
4143         file.
4144         * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
4145         ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
4146         Rename shift_count_or_setmem_operand to setmem_operand.
4147         * config/s390/vx-builtins.md ("vec_insert<mode>")
4148         ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
4149         nonmemory_operand.
4151 2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4153         PR target/70168
4154         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
4155         Handle overlapping retval and newval.
4157 2016-03-10  Nick Clifton  <nickc@redhat.com>
4159         PR target/7044
4160         * config/aarch64/aarch64.c
4161         (aarch64_override_options_after_change_1): When forcing
4162         flag_omit_frame_pointer to be true, use a special value that can
4163         be detected if this function is called again, thus preventing
4164         flag_omit_leaf_frame_pointer from being forced to be false.
4166 2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4168         * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
4169         Set x_flag_omit_leaf_frame_pointer when handling
4170         -momit-leaf-frame-pointer.
4172 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
4174         PR lto/69589
4175         * cgraph.c (cgraph_node::dump): Dump split_part and
4176         indirect_call_target.
4177         * cgraph.h (cgraph_node): Add indirect_call_target flag.
4178         * ipa.c (has_addr_references_p): Cleanup.
4179         (is_indirect_call_target_p): New.
4180         (walk_polymorphic_call_targets): Do not mark virtuals that may be
4181         called indirectly as local.
4182         (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.
4184 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
4186         PR ipa/69630
4187         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
4188         on cxa_pure_virtual.
4190 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
4192         PR lto/69589
4193         * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.
4195 2016-03-10  Jan Hubicka  <hubicka@ucw.cz>
4197         PR lto/69589
4198         * tree.c (need_assembler_name_p): Only record main variant type names.
4200 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
4202         PR target/70113.
4203         * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
4204         Always define to 0 or 1.
4205         (TARGET_FIX_ERR_A53_843419): New macro.
4206         * config/aarch64/aarch64-elf-raw.h
4207         (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
4208         * config/aarch64/aarch64-linux.h: Likewise.
4209         * config/aarch64/aarch64.c
4210         (aarch64_override_options_after_change_1): Do not default
4211         aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
4212         843419 is on.
4213         (aarch64_attributes): Handle fix-cortex-a53-843419.
4214         (aarch64_can_inline_p): Likewise.
4215         * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.
4217 2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
4218         Jakub Jelinek <jakub@redhat.com>
4220         * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
4221         * tree.c (array_at_struct_end_p): Do not limit to size of decl for
4222         DECL_COMMONS if flag_unconstrained_commons is set.
4223         * tree-dfa.c (get_ref_base_and_extent): Likewise.
4224         * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
4225         (funconstrained-commons): Document.
4227 2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>
4229         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
4230         aarch64-fusion-pairs.def and aarch64-tuning-flags.def
4232 2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>
4234         * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
4235         has a proper number of elements.
4237 2016-03-10  Alan Modra  <amodra@gmail.com>
4239         PR rtl-optimization/69195
4240         PR rtl-optimization/47992
4241         * ira.c (recorded_label_ref): Delete.
4242         (update_equiv_regs): Return void.
4243         (indirect_jump_optimize): New function.
4244         (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
4245         before regstat_compute_ri.  Don't rebuild_jump_labels here.
4246         Delete update_regstat.
4248 2016-03-10  Richard Biener  <rguenther@suse.de>
4250         PR tree-optimization/70128
4251         * tree-ssa-structalias.c (set_uids_in_ptset): Set
4252         vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.
4254 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
4256         PR tree-optimization/70152
4257         * tree-sra.c (replace_removed_params_ssa_names): Copy over
4258         SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.
4260         PR target/70086
4261         * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
4262         instead of gen_sse2_loadlpd.
4263         * config/i386/sse.md (*vec_concatv2df): Rename to...
4264         (vec_concatv2df): ... this.
4266         PR tree-optimization/70127
4267         * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.
4269 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
4271         PR c/68473
4272         PR c++/70105
4273         * diagnostic-show-locus.c (compatible_locations_p): New function.
4274         (layout::layout): Sanitize ranges using compatible_locations_p.
4276 2016-03-09  David Malcolm  <dmalcolm@redhat.com>
4278         PR c/68473
4279         PR c++/70105
4280         * diagnostic-show-locus.c (layout_range::layout_range): Replace
4281         location_range param with three const expanded_locations * and a
4282         bool.
4283         (layout::layout): Replace call to
4284         rich_location::lazily_expand_location with get_expanded_location.
4285         Extract the range and perform location expansion here, passing
4286         the results to the layout_range ctor.
4287         * diagnostic.c (source_range::debug): Delete.
4288         * diagnostic.h (diagnostic_expand_location): Reimplement in terms
4289         of rich_location::get_expanded_location.
4290         * gcc-rich-location.c (get_range_for_expr): Delete.
4291         (gcc_rich_location::add_expr): Reimplement to avoid the
4292         rich_location::add_range overload that took a location_range,
4293         passing a location_t instead.
4295 2016-03-09  Richard Biener  <rguenther@suse.de>
4296         Jakub Jelinek  <jakub@redhat.com>
4298         PR tree-optimization/70138
4299         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
4300         Also skip vect_double_reduction_def.
4302 2016-03-09  Jakub Jelinek  <jakub@redhat.com>
4304         PR target/70049
4305         * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
4306         if the operand is "m".
4308 2016-03-09  Nathan Sidwell  <nathan@acm.org>
4310         * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.
4312 2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
4314         * config/i386/i386.c (processor_target_table): Fix cost table
4315         intialization order for znver1.
4317 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
4319         * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
4320         - becuase -> because.
4321         * ipa-reference.c (ignore_module_statics): Likewise.
4322         * cgraph.c (cgraph_node::get_body): Likewise.
4323         * ipa-inline.c (early_inliner): Likewise.
4324         * ipa-devirt.c (types_same_for_odr): Likewise.
4325         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
4326         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.
4328 2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4330         * tree-ssa-math-opts.c: Fix typo in comment.
4332 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
4334         PR target/70110
4335         * config/i386/i386.c (scalar_chain::make_vector_copies,
4336         scalar_chain::convert_reg): Call end_sequence in between
4337         get_insns and emit_conversion_insns rather than after both
4338         calls.
4340 2016-03-07  Uros Bizjak  <ubizjak@gmail.com>
4342         PR target/70064
4343         * config/i386/i386.h (machine_function): Add
4344         pc_thunk_call_expanded flag.
4345         (ix86_pc_thunk_call_expanded): New define.
4346         * config/i386/i386.md (set_got, set_got_labelled): New expanders.
4347         (*set_got): Rename insn pattern from set_got.
4348         (*set_got_labelled): Rename inst pattern from set_got_labelled.
4349         * config/i386/i386.c (ix86_compute_frame_layout): Use
4350         ix86_pc_thunk_call_expanded to prevent red-zone.
4352 2016-03-07  Martin Jambor  <mjambor@suse.cz>
4354         * hsa.h (hsa_get_ctor_statements): Declare.
4355         (hsa_get_dtor_statements): Likewise.
4356         (hsa_get_kernel_dispatch_type): Likewise.
4357         * hsa.c (hsa_get_ctor_statements): New function.
4358         (hsa_get_dtor_statements): Likewise.
4359         (hsa_get_kernel_dispatch_type): Likewise.
4360         * hsa-brig.c (hsa_cdtor_statements): Removed.
4361         (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
4362         hsa_get_dtor_statements.
4363         * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
4364         (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.
4366 2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
4368         * config/arm/arm-cores.def (cortex-r8): New.
4369         * config/arm/arm-tables.opt (cortex-r8): Regenerate.
4370         * config/arm/arm-tune.md: Likewise.
4371         * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.
4373 2016-03-07  Martin Sebor  <msebor@redhat.com>
4375         PR rtl-optimization/19705
4376         * doc/invoke.texi (Options That Control Optimization): Clarify
4377         -fno-branch-count-reg.
4379 2016-02-26  Richard Biener  <rguenther@suse.de>
4380             Jeff Law  <law@redhat.com>
4382         PR tree-optimization/69740
4383         * cfghooks.c (remove_edge): Request loop fixups if we delete
4384         an edge that might turn an irreducible loop into a natural
4385         loop.
4386         * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
4387         Move after definition of loops_state_clear.
4389 2016-03-07  Bin Cheng  <bin.cheng@arm.com>
4391         PR rtl-optimization/69052
4392         * rtlanal.c (commutative_operand_precedence): Set higher precedence
4393         to CONST_WIDE_INT.
4395 2016-03-07  Tom de Vries  <tom@codesourcery.com>
4397         PR tree-optimization/70116
4398         * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
4399         is_tm_ending stmts and ubsan/asan internal functions.
4400         (find_duplicate): Use it.  Don't test is_tm_ending here.
4402 2016-03-07  Richard Biener  <rguenther@suse.de>
4404         PR tree-optimization/70115
4405         * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
4406         (propagate_constants_for_unrolling): Use replace_uses_by.
4408 2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>
4410         PR middle-end/69916
4411         * omp-low.c (struct oacc_loop): Add ifns.
4412         (new_oacc_loop_raw): Initialize it.
4413         (finish_oacc_loop): Clear mask & flags if no ifns.
4414         (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
4415         (oacc_loop_xform_loop): Add ifns arg & adjust.
4416         (oacc_loop_process): Adjust oacc_loop_xform_loop call.
4418 2016-03-07  Richard Henderson  <rth@redhat.com>
4420         PR rtl-opt/70061
4421         * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
4422         (insert_value_copy_on_edge): Likewise.
4424 2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4426         * config/arm/arm_neon.h: Show error if using with soft-float ABI.
4428 2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4430         PR target/62281
4431         * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.
4433 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
4435         * config/i386/i386.c (znver1_cost): Fix Multiply cost.
4437 2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>
4439         Fix sseimul type attribute.
4440         * config/i386/znver1.md
4441         (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
4442         znver1_sseimul_avx256_load) : Fix the type attribute.
4443         (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
4444         pipe usage and latency.
4446 2016-03-05  Jakub Jelinek  <jakub@redhat.com>
4448         PR c++/70084
4449         * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
4450         of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
4451         to the right type.
4453 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
4455         PR c/69973
4456         * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.
4458         PR rtl-optimization/69941
4459         * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
4460         the reg share its mode.
4462 2016-03-04  Jeff Law  <law@redhat.com>
4464         PR tree-optimization/69196
4465         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4466         If the both SSA_NAMEs are anonymous, then consider them unassociated
4467         and include the PHI in the statement count.
4469 2016-03-05  Tom de Vries  <tom@codesourcery.com>
4471         * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
4472         construct in oacc routine.  Check for oacc region in oacc routine.
4474 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
4476         PR target/70062
4477         * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
4478         2016-02-22 changes, instead don't recurse if RECUR is already true.
4479         Don't change *dynamic_check if RECUR.  Adjust recursive caller
4480         to pass true to the new argument.
4481         (ix86_expand_set_or_movmem): Adjust decide_alg caller.
4483         PR target/70059
4484         * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
4485         <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
4486         fixes.
4487         (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.
4489 2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>
4491         PR rtl-optimization/57676
4492         * lra-assigns.c (lra_assign): Guard test for maximum iterations
4493         with flag_checking.
4495 2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>
4497         * tree-vect-patterns.c (search_type_for_mask): Handle
4498         comparison of booleans.
4500 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
4502         * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
4503         Fix @xref usage.
4505         PR debug/69947
4506         * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
4507         all other ops that have dw_val_class_die_ref operands,
4508         and DW_OP_GNU_entry_value.
4510 2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
4512         PR rtl-optimization/69904
4513         * config/arm/arm.c (arm_cannot_copy_insn_p):
4514         Return true for load-exclusive instructions.
4516 2016-03-03  Jakub Jelinek  <jakub@redhat.com>
4518         PR target/70021
4519         * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
4520         argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
4521         the pattern no matter if it is used just by non-pattern, pattern
4522         or mix thereof.
4523         (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
4524         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
4525         oprnd1 def_stmt is in pattern, don't look through it.
4527 2016-03-03  Marek Polacek  <polacek@redhat.com>
4529         PR middle-end/70050
4530         * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.
4532 2016-03-03  Martin Liska  <mliska@suse.cz>
4534         PR tree-optimization/70043
4535         * tree-vect-loop.c (optimize_mask_stores): Move iterator to
4536         previous statement if we see a debug statement.
4538 2016-03-03  Richard Biener  <rguenther@suse.de>
4540         PR tree-optimization/55936
4541         * tree-vrp.c (compare_name_with_value): Add use_equiv_p
4542         parameter and guard unsafe equivalence use.
4543         (vrp_evaluate_conditional_warnv_with_ops): Always use
4544         safe equivalences but not via the quadratic compare_names
4545         helper.
4547 2016-03-03  Michael Collison  <michael.collison@linaro.org>
4549         PR target/70014
4550         * config/arm/arm.md (*subsi3_carryin_const): Change predicate
4551         for operand 1 to s_register_operand. Change predicate for operand
4552         2 to arm_not_immediate_operand.
4554 2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>
4556         * doc/tm.texi: Regenerated.
4558 2016-03-02  Richard Henderson  <rth@redhat.com>
4560         PR rtl-opt/67145
4561         * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
4562         simplification when all args are positive non-fixed registers.
4564 2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4566         * target.def (lra_p): Specify that new ports should use LRA.
4568 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
4570         PR libgomp/69555
4571         * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
4572         gimplify_type_sizes the type they refer to.
4573         (omp_notice_variable): Handle reference vars to VLAs.
4574         * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
4575         reference to VLA decls in the second pass instead of first pass.
4577 2016-03-02  Tom de Vries  <tom@codesourcery.com>
4579         PR tree-optimization/68659
4580         * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
4581         new_expr == NULL_TREE.
4582         (get_new_name): Handle ADDR_EXPR.
4584 2016-03-02  Bin Cheng  <bin.cheng@arm.com>
4586         PR rtl-optimization/69052
4587         * loop-invariant.c (canonicalize_address): New function.
4588         (inv_can_prop_to_addr_use): Check validity of address expression
4589         which is canonicalized by above function.
4591 2016-03-02  Alan Modra  <amodra@gmail.com>
4593         PR ipa/69990
4594         * ipa-icf.c (sem_variable::merge): Do not merge an alias with
4595         larger alignment.
4597 2016-03-02  Jakub Jelinek  <jakub@redhat.com>
4599         PR target/70028
4600         * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
4601         (*movhi_internal): Put mask moves from and to memory separately
4602         from moves from/to GPRs.
4604 2016-03-02  Richard Biener  <rguenther@suse.de>
4606         * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
4607         GENERIC expressions in GIMPLE.
4609 2016-03-02  Richard Biener  <rguenther@suse.de>
4611         * config/i386/i386.c (type_natural_mode): Fix typo.
4613 2016-03-02  Nick Clifton  <nickc@redhat.com>
4615         * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.
4617 2016-03-02  Richard Biener  <rguenther@suse.de>
4618             Uros Bizjak  <ubizjak@gmail.com>
4620         PR target/67278
4621         * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.
4623 2016-03-02  Richard Biener  <rguenther@suse.de>
4625         PR middle-end/67278
4626         * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.
4628 2016-03-02  Marek Polacek  <polacek@redhat.com>
4630         PR c/67854
4631         * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
4632         "is promoted to" warning.
4634 2016-03-01  DJ Delorie  <dj@redhat.com>
4636         * config.gcc: Deprecate mep-*.
4638 2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>
4640         PR middle-end/70025
4641         * lra-constraints.c (regno_val_use_in): New.
4642         (match_reload): Use it instead of regno_use_in.
4644 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
4646         PR rtl-optimization/70007
4647         * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
4648         references present in REG_EQUAL notes attached to non-SET patterns.
4650 2016-03-01  Jeff Law  <law@redhat.com>
4652         PR tree-optimization/69196
4653         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4654         Appropriately clamp the number of statements to copy when the
4655         thread path does not traverse a loop backedge.
4657         PR tree-optimization/69196
4658         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
4659         Do count some PHIs in the thread path against the insn count.  Decrease
4660         final statement count by one as the control statement in the last
4661         block will get removed.  Remove special cased code for handling PHIs
4662         in the last block.
4664 2016-03-01  Uros Bizjak  <ubizjak@gmail.com>
4666         PR target/70027
4667         * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
4668         asm dialect alternatives to explicit GOTPCREL calls.
4670 2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>
4672         PR ada/70017
4673         * ira.c (do_reload): Issue warning for generic stack checking here...
4674         * reload1.c (reload): ...instead of here and streamline it.
4676 2016-03-01  Nick Clifton  <nickc@redhat.com>
4678         * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.
4680 2016-03-01  Richard Biener  <rguenther@suse.de>
4682         PR tree-optimization/69983
4683         * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
4684         types and fall back to operand_equal_p.
4686 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4688         Revert
4689         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4691         * config/s390/constraints.md ("jm8"): New constraint.
4692         * config/s390/predicates.md ("const_int_8bitset_operand"): New
4693         predicate.
4694         * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
4695         into ...
4696         ("*setmem_long<setmem_and>"): New pattern.
4697         ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
4698         into ...
4699         ("*setmem_long_31z<setmem_and>"): New pattern.
4700         * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
4701         New substitution rules with the required attributes.
4704 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4706         Revert
4707         2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4709         * gensupport.c (process_substs_on_one_elem): Split loop to
4710         complete mark_operands_used_in_match_dup on all expressions in the
4711         vector first.
4712         (adjust_operands_numbers): Inline into process_substs_on_one_elem
4713         and remove function.
4715 2016-03-01  Richard Biener  <rguenther@suse.de>
4717         PR middle-end/70022
4718         * fold-const.c (fold_indirect_ref_1): Fix range checking for
4719         vector BIT_FIELD_REF extract.
4721 2016-03-01  Richard Biener  <rguenther@suse.de>
4723         PR tree-optimization/69994
4724         * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.
4726 2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>
4728         PR tree-optimization/69956
4729         * tree-vect-stmts.c (supportable_widening_operation): Support
4730         multi-step conversion of boolean vectors.
4731         (supportable_narrowing_operation): Likewise.
4733 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4735         * config/s390/s390.c (s390_decompose_address): Don't accept SImode
4736         anymore.
4738 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4740         * config/s390/subst.md (DSI_VI): New mode iterator.
4741         ("addr_style_op_subst"): Use DSI_VI instead of DSI.
4742         * config/s390/vector.md ("vec_set<mode>"): Move expander before
4743         the insn definition.
4744         ("*vec_set<mode>"): Change predicate and add alternative to
4745         support only either register or const_int operands as element
4746         selector.
4747         ("*vec_set<mode>_plus"): New pattern to support reg + const_int
4748         operands.
4749         ("vec_extract<mode>"): New expander.
4750         ("*vec_extract<mode>"): New insn definition supporting reg and
4751         const_int element selectors.
4752         ("*vec_extract<mode>_plus"): New insn definition supporting
4753         reg+const_int element selectors.
4754         ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
4755         following expander+insn definition.
4756         ("<vec_shifts_name><mode>3"): New expander.
4757         ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.
4759 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4761         * config/s390/s390.md ("*tabort_1"): Change predicate to
4762         nonmemory_operand.  Add a second alternative to cover
4763         register as well as const int operands.
4764         ("*tabort_1_plus"): New pattern definition.
4766 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4768         * config/s390/s390.md ("*ashrdi3_cc_31")
4769         ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
4770         ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
4771         Merge insn definitions into ...
4772         ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4773         New pattern definition.
4774         ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
4775         ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
4776         ("*ashr<mode>3_and"): Merge insn definitions into ...
4777         ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
4778         New pattern definition.
4779         * config/s390/subst.md ("addr_style_op_cc_subst")
4780         ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
4781         substitutions patterns plus attributes.
4782         Add ashiftrt to SUBST iterator.
4784 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4786         * config/s390/s390.md ("<shift><mode>3"): Change predicate of
4787         op2 to nonmemory_operand.
4788         ("*<shift>di3_31", "*<shift>di3_31_and"):
4789         Merge into single pattern definition ...
4790         ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
4791         ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
4792         pattern definition ...
4793         ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
4794         * config/s390/subst.md: Add ashift and lshiftrt to SUBST
4795         iterator.
4797 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4799         * config/s390/predicates.md (const_int_6bitset_operand): New
4800         predicate.
4801         * config/s390/s390.md: Include subst.md.
4802         ("rotl<mode>3"): New expander.
4803         ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
4804         ...
4805         ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
4806         * config/s390/subst.md: New file.
4808 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4810         * config/s390/s390.md ("op_type", "atype", "length" attributes):
4811         Remove RRR type.  It doesn't really exist.
4812         ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
4813         attributes.
4814         ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
4815         ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
4816         ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
4817         ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
4818         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
4819         ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
4820         `enabled' attribute.
4822 2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
4824         * gensupport.c (process_substs_on_one_elem): Split loop to
4825         complete mark_operands_used_in_match_dup on all expressions in the
4826         vector first.
4827         (adjust_operands_numbers): Inline into process_substs_on_one_elem
4828         and remove function.
4830 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
4832         PR target/69706
4833         * config/sparc/sparc.c (NWORDS_UP): Rename to...
4834         (CEIL_NWORDS): ...this.  Use CEIL macro.
4835         (compute_fp_layout): Adjust to above renaming.
4836         (function_arg_union_value): Likewise.
4837         (sparc_arg_partial_bytes): Likewise.
4838         (sparc_function_arg_advance): Likewise.
4840 2016-02-29  Jeff Law  <law@redhat.com>
4842         PR tree-optimization/70005
4843         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
4844         where an object with a boolean range is compared against a value
4845         outside [0..1].
4847         PR tree-optimization/69999
4848         * gimple-ssa-split-paths.c (split_paths): When duplicating a block
4849         with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
4850         loop cleanups.
4852 2016-02-29  Richard Biener  <rguenther@suse.de>
4854         PR tree-optimization/69994
4855         * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
4856         (get_unary_op): Look through nop conversions.
4857         (ops_equal_values_p): New function, look for equality diregarding
4858         nop conversions.
4859         (eliminate_plus_minus_pair): Use ops_equal_values_p
4860         (repropagate_negates): Do not use get_unary_op here.
4862 2016-02-29  Martin Liska  <mliska@suse.cz>
4864         * system.h: Poison ENABLE_CHECKING macro.
4866 2016-02-29  Martin Liska  <mliska@suse.cz>
4868         * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
4869         is presented in dump flags.
4870         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
4871         (hsa_regalloc): Likewise.
4873 2016-02-19  Richard Biener  <rguenther@suse.de>
4875         PR tree-optimization/69980
4876         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
4877         permutation of those we need to keep.
4879 2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>
4881         PR target/69706
4882         * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
4883         (NWORDS_UP): ...this
4884         (init_cumulative_args): Minor tweaks.
4885         (sparc_promote_function_mode): Likewise.
4886         (scan_record_type): Delete.
4887         (traverse_record_type): New function template.
4888         (classify_data_t): New structure type.
4889         (classify_registers): New inline function.
4890         (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
4891         exhausted.  Instantiate traverse_record_type on classify_registers and
4892         deal with the case of a structure passed in slot #15 with no FP field
4893         in the first word.
4894         (assign_data_t): New structure type.
4895         (compute_int_layout): New static function.
4896         (compute_fp_layout): Likewise.
4897         (count_registers): New inline function.
4898         (assign_int_registers): New static function.
4899         (assign_fp_registers): Likewise.
4900         (assign_registers): New inline function.
4901         (function_arg_record_value_1): Delete.
4902         (function_arg_record_value_2): Likewise.
4903         (function_arg_record_value_3): Likewise.
4904         (function_arg_record_value): Adjust to above changes.  Instantiate
4905         traverse_record_type on count_registers to first count the number of
4906         registers to be used and then on assign_registers to assign them.
4907         (function_arg_union_value): Adjust to above renaming.
4908         (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
4909         (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
4910         case of a structure passed in slot #15
4911         (sparc_function_arg_advance): Likewise.
4912         (function_arg_padding): Minor tweak.
4914 2016-02-29  Richard Biener  <rguenther@suse.de>
4916         PR tree-optimization/69720
4917         * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
4918         the adjustment_def path for possibly vectorized defs.
4919         (vect_create_epilog_for_reduction): Handle vectorized initial
4920         defs properly.
4922 2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>
4924         * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.
4926 2016-02-27  Jeff Law  <law@redhat.com>
4928         Revert
4929         2016-02-26  Richard Biener  <rguenther@suse.de>
4930                     Jeff Law  <law@redhat.com>
4932         PR tree-optimization/69740
4933         * cfghooks.c (remove_edge): Request loop fixups if we delete
4934         an edge that might turn an irreducible loop into a natural
4935         loop.
4937 2016-02-27  Jakub Jelinek  <jakub@redhat.com>
4939         PR rtl-optimization/69896
4940         * tree-vect-generic.c (get_compute_type): Avoid single element
4941         vector types.
4943 2016-02-26  Evandro Menezes  <e.menezes@samsung.com>
4945         Rename the AArch64 tuning option and related functions to enable the
4946         Newton series for the reciprocal square root to reflect its
4947         approximative characteristic.
4949         * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
4950         function to "aarch64_emit_approx_rsqrt".
4951         * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
4952         AARCH64_EXTRA_TUNE_APPROX_RSQRT.
4953         * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
4954         (xgene1_tunings): Likewise.
4955         (use_rsqrt_p): Likewise.
4956         (aarch64_emit_swrsqrt): Use new function name.
4957         * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
4958         * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
4959         text explaining this option.
4960         * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.
4962 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
4964         PR target/69969
4965         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
4966         complain about -mallow-movmisalign without -mvsx if
4967         TARGET_ALLOW_MOVMISALIGN was not set explicitly.
4969 2016-02-26  Joel Sherrill  <joel@rtems.org>
4971         * config.gcc: Add x86_64-*-rtems*.
4972         * gcc/config/i386/rtems-64.h: New file.
4974 2016-02-26  Joel Sherrill  <joel@rtems.org>
4976         * config.gcc: Add aarch64-*-rtems*.
4977         * gcc/config/aarch64/rtems.h: New file.
4979 2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>
4981         PR target/69946
4982         * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
4983         shift amount using %h.  Add comment.
4985 2016-02-26  Richard Biener  <rguenther@suse.de>
4986             Jeff Law  <law@redhat.com>
4988         PR tree-optimization/69740
4989         * cfghooks.c (remove_edge): Request loop fixups if we delete
4990         an edge that might turn an irreducible loop into a natural
4991         loop.
4993 2016-02-26  Martin Jambor  <mjambor@suse.cz>
4995         PR middle-end/69920
4996         * tree-sra.c (sra_modify_assign): Do not remove loads of
4997         uninitialized aggregates to SSA_NAMEs.
4999 2016-02-26  Richard Henderson  <rth@redhat.com>
5001         PR target/69709
5002         * config/s390/s390.md (risbg and risbgn splitters): Allocate new
5003         pseudo in case the target rtx matches the source of the left
5004         shift.
5006 2016-02-26  Martin Jambor  <mjambor@suse.cz>
5008         PR hsa/69568
5009         * hsa.h (hsa_type_packed_p): Declare.
5010         * hsa.c (hsa_type_packed_p): New function.
5011         * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
5012         loads.
5013         (gen_hsa_insns_for_store): Use hsa_type_packed_p.
5014         * hsa-brig.c (emit_basic_insn): Likewise.
5016 2016-02-26  Martin Jambor  <mjambor@suse.cz>
5018         pr hsa/69674
5019         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
5020         pointers.
5021         (gen_hsa_addr): Allow integer constants in TMR_INDEX2.
5023 2016-02-26  Martin Jambor  <mjambor@suse.cz>
5025         * hsa.h (is_a_helper): New overload for hsa_op_immed for
5026         hsa_op_with_type operands.
5027         (hsa_unsigned_type_for_type): Declare.
5028         * hsa.c (hsa_unsigned_type_for_type): New function.
5029         * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
5030         (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
5031         the finalizer.  Do not emit extra move.
5033 2016-02-26  Martin Jambor  <mjambor@suse.cz>
5035         * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
5036         atomic operations in private segment.
5038 2016-02-26  Martin Jambor  <mjambor@suse.cz>
5040         * omp-low.c (grid_find_ungridifiable_statement): Store problematic
5041         statements to wi->info.  Also disallow omp simd constructs.
5042         (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
5043         for not gridifying.  Dump special string for omp_for.
5045 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5047         PR target/69245
5048         * config/aarch64/aarch64.c (aarch64_set_current_function):
5049         Save/restore target globals when switching to
5050         target_option_default_node.
5052 2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5054         PR target/69613
5055         * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
5056         Return 0 if !SHIFT_COUNT_TRUNCATED.
5058 2016-02-26  Jakub Jelinek  <jakub@redhat.com>
5059             Eric Botcazou  <ebotcazou@adacore.com>
5061         PR rtl-optimization/69891
5062         * dse.c (scan_insn): If we can't figure out memset arguments
5063         or they are non-constant, call clear_rhs_from_active_local_stores.
5065 2016-02-26  Martin Liska  <mliska@suse.cz>
5067         * doc/extend.texi: Mention clog10, clog10f an clog10l
5068         in Builtins section.
5070 2016-02-26  Martin Liska  <mliska@suse.cz>
5072         * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
5073         CHECKING_P.
5074         (resolve_args_picking_1): Likewise.
5075         * dwarf2out.h (struct GTY): Likewise.
5077 2016-02-26  Martin Liska  <mliska@suse.cz>
5079         * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
5080         with flag_checking.
5081         * hsa-regalloc.c (linear_scan_regalloc): Likewise.
5083 2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
5084             Martin Liska  <mliska@suse.cz>
5086         * doc/install.texi: Mention --enable-valgrind-annotations.
5088 2016-02-26  Richard Biener  <rguenther@suse.de>
5090         PR tree-optimization/69551
5091         * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
5092         looking through aliases adjust DECL_PT_UID to refer to the
5093         ultimate alias target.
5095 2016-02-25  Martin Liska  <mliska@suse.cz>
5097         PR middle-end/69919
5098         * alloc-pool.c (after_memory_report): New variable.
5099         * alloc-pool.h (base_pool_allocator ::release): Do not use
5100         the infrastructure if after_memory_report.
5101         * toplev.c (toplev::main): Mark after memory report.
5103 2016-02-25  Richard Biener  <rguenther@suse.de>
5105         PR tree-optimization/48795
5106         * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.
5108 2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>
5110         PR driver/68463
5111         * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
5112         offloading is enabled and -fopenacc or -fopenmp is specified.
5113         (CRTOFFLOADEND): Likewise.
5114         (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
5115         (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
5116         * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
5117         (offload_objects_file_name): New static var.
5118         (tool_cleanup): Remove offload_objects_file_name file.
5119         (find_offloadbeginend): Replace with ...
5120         (find_crtoffloadtable): ... this.
5121         (run_gcc): Remove offload_argc and offload_argv.
5122         Get offload_objects_file_name from -foffload-objects=... option.
5123         Read names of object files with offload from this file, pass them to
5124         compile_images_for_offload_targets.  Don't call find_offloadbeginend and
5125         don't pass offloadbegin and offloadend to the linker.  Don't pass
5126         offload non-LTO files to the linker, because now they're not claimed.
5128 2016-02-25  Jan Hubicka  <hubicka@ucw.cz>
5130         PR ipa/69630
5131         * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
5132         on builtin_unreachable.
5134 2016-02-25  Jakub Jelinek  <jakub@redhat.com>
5136         PR rtl-optimization/69896
5137         * regcprop.c: Include cfgrtl.h.
5138         (copyprop_hardreg_forward_1): If noop_p insn uses narrower
5139         than remembered mode, either delete it (if noop_move_p), or
5140         treat like copy_p but not noop_p instruction.
5142 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
5144         PR debug/69705
5145         * dwarf2out.c (gen_variable_die): Work around buggy LTO
5146         - allow NULL decl for Fortran DW_TAG_common_block variables.
5148 2016-02-24  Jason Merrill  <jason@redhat.com>
5150         * common.opt (flifetime-dse): Add -flifetime-dse=1.
5152 2016-02-24  Richard Biener  <rguenther@suse.de>
5153             Jakub Jelinek  <jakub@redhat.com>
5155         PR middle-end/69760
5156         * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
5157         conditionally executed ops to well-defined overflow behavior.
5159 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
5161         PR middle-end/69915
5162         * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
5163         elements.
5165 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5167         PR rtl-optimization/69886
5168         * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
5169         argument.  Use it when checking validity of set instructions.
5170         (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
5171         (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
5172         callsite.
5173         * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
5174         * store-motion.c (find_moveable_store): Update
5175         can_assign_to_reg_without_clobbers_p callsite.
5177 2016-02-24  Richard Biener  <rguenther@suse.de>
5179         PR middle-end/68963
5180         * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
5181         bogus check.
5182         (record_nonwrapping_iv): Do not fall back to the low/high bound
5183         for non-constant IV bases if the stmt is not always executed.
5185 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5187         * config/arm/arm-cores.def (cortex-a32): New entry.
5188         * config/arm/arm-tables.opt: Regenerate.
5189         * config/arm/arm-tune.md: Regenerate.
5190         * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
5191         * config/arm/t-aprofile: Handle mcpu=cortex-a32.
5192         * doc/invoke.texi (ARM Options): Document cortex-a32 as value
5193         for -mcpu and -mtune.
5195 2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5197         PR target/69875
5198         * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
5199         * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
5200         * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
5201         (atomic_loaddi_1): Delete.
5202         (atomic_loaddi): Rewrite expander using the above changes.
5204 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
5206         PR c/69918
5207         * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
5208         2 to 3.
5210 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
5211             Richard Biener  <rguenth@suse.de>
5213         PR middle-end/69909
5214         * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
5215         set_mem_attributes if tem is SSA_NAME which got expanded
5216         as a MEM.
5218 2016-02-24  Richard Biener  <rguenther@suse.de>
5220         PR tree-optimization/69907
5221         * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
5222         end of permutations for BB vectorization.
5224 2016-02-24  Christian Bruel  <christian.bruel@st.com>
5226         * config/arm/arm-c.c (arm_option_override): Initialize
5227         target_option_current_node.
5228         * config/arm/arm.c (arm_pragma_target_parse): Replace
5229         build_target_option_node call by target_option_current_node.
5230         Set target_option_current_node.
5231         Fix comments.
5233 2016-02-23  David Edelsohn  <dje.gcc@gmail.com>
5235         PR target/69810
5236         * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
5237         define_insn_and_split to define_insn.
5238         (zero_extendqi<mode>2_dot2): Same.
5239         (extendqi<mode>2_dot): Same.
5240         (extendqi<mode>2_dot2): Same.
5242 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
5244         * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
5245         and add bypass for AES{D,E} and AESMC pairs.
5246         * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
5247         and AESMC pairs.
5249 2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
5251         * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
5252         series for reciprocal square root in Exynos M1.
5254 2016-02-23  Martin Sebor  <msebor@redhat.com>
5256         PR c/69759
5257         * doc/extend.texi (Other Builtins): Document __builtin_alloca and
5258         __builtin_alloca_with_align.
5260 2016-02-23  Richard Henderson  <rth@redhat.com>
5262         * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
5263         (ix86_register_pragmas): Remove __seg_tls.
5264         * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
5265         * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
5266         (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
5267         (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
5268         (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
5269         * doc/extend.texi (__seg_tls): Remove item.
5271 2016-02-23  Richard Biener  <rguenther@suse.de>
5273         * alloc-pool.h (struct allocation_object): Make id member
5274         conditional on CHECKING_P again.
5275         (get_instance): Adjust.
5276         (base_pool_allocator): Likewise.
5278 2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>
5280         * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
5281         (parallelize_loops): In OpenACC kernels mode, set n_threads to
5282         zero.
5283         (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
5284         flag_openacc.
5285         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
5287 2016-02-23  Richard Biener  <rguenther@suse.de>
5289         * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
5290         * bitmap.h (struct bitmap_usage): Likewise.
5291         (bitmap_move): Declare.
5292         * bitmap.c (register_overhead): Take size_t argument.
5293         (bitmap_move): New function.
5294         * df-problems.c (df_rd_transfer_function): Use bitmap_move
5295         to properly account overhead.
5296         * tree.c (free_node): Use tree_size.
5298 2016-02-23  Jakub Jelinek  <jakub@redhat.com>
5300         PR c++/69902
5301         * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
5302         when inverting comparison.
5304         PR c/69900
5305         * common.opt (Wunreachable-code): Add Warning flag.
5307 2016-02-23  Mark Wielaard  <mjw@redhat.com>
5308             Jakub Jelinek  <jakub@redhat.com>
5310         PR c/69911
5311         * cgraphunit.c (check_global_declaration): Check main_input_filename
5312         and DECL_SOURCE_FILE are not NULL.
5314 2016-02-23  Martin Jambor  <mjambor@suse.cz>
5316         PR tree-optimization/69666
5317         * tree-sra.c (sra_modify_assign): Do not attempt to create
5318         default_def replacements for unscalarizable regions.
5320 2016-02-20  Mark Wielaard  <mjw@redhat.com>
5322         PR c/28901
5323         * cgraphunit.c (check_global_declaration): Check level of
5324         warn_unused_const_variable and main_input_filename.
5325         * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
5326         (-Wunused-variable): For C implies -Wunused-const-variable=1.
5327         (-Wunused-const-variable): Explain levels 1 and 2.
5329 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
5331         PR target/69888
5332         * config/i386/i386.c (decide_alg): Ensure we don't recurse with
5333         identical arguments.  Formatting and spelling fixes.
5335         PR target/69885
5336         * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
5337         be specified.
5339         PR target/69894
5340         PR target/69895
5341         * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
5342         and m68k-devices.def.
5343         * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
5344         * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.
5346 2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>
5348         * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
5349         and HImode registers.
5351 2016-02-22  Richard Biener  <rguenther@suse.de>
5353         PR tree-optimization/69882
5354         * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
5355         preserve permutations present because of gaps.
5356         (vect_supported_load_permutation_p): Always continue checking
5357         permutations after vect_attempt_slp_rearrange_stmts.
5359 2016-02-22  Bin Cheng  <bin.cheng@arm.com>
5361         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
5362         min_profitable_estimate, rather than min_profitable_iters.
5364 2016-02-22  Jakub Jelinek  <jakub@redhat.com>
5366         PR target/69885
5367         * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
5368         SImode for last match_operand.
5370 2016-02-22  Martin Liska  <mliska@suse.cz>
5372         * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
5373         return bitsize - 1 as the return value.
5375 2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>
5377         PR target/69806
5378         PR target/54089
5379         * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
5380         Handle negative shift counts.
5381         * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
5382         force_reg on the shift constant.
5383         (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
5384         (lshrsi3_d): Handle negative shift counts.
5386 2016-02-22  Richard Biener  <rguenther@suse.de>
5387             Tom de Vries  <tom@codesourcery.com>
5389         * graph.c: Include dumpfile.h.
5390         (print_graph_cfg): Split into three overloads.
5391         * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.
5393 2016-02-22  Tom de Vries  <tom@codesourcery.com>
5395         * gdbhooks.py (class DumpFn): Add and instantiate, adding command
5396         dump-fn.
5398 2016-02-22  Richard Biener  <rguenther@suse.de>
5400         PR ipa/37448
5401         * ipa-inline-transform.c (inline_call): When not updating
5402         overall summaries adjust self size by the growth estimate.
5403         * ipa-inline.c (inline_to_all_callers_1): Add to the callers
5404         hash-set, do not update overall summaries here.  Renamed from ...
5405         (inline_to_all_callers): ... this which is now wrapping the
5406         above and performing delayed overall summary update.
5407         (early_inline_small_functions): Delay updating of the overall
5408         summary.
5410 2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>
5412         * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
5413         variable.
5415 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
5417         PR driver/69805
5418         * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
5419         :%* in %:gt() argument.
5420         (greater_than_spec_func): Adjust for expecting only numbers,
5421         if there are more than two numbers, compare the last two.
5423 2016-02-19  Jonathan Wakely  <jwakely@redhat.com>
5425         * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
5426         -Wnarrowing with -std.
5428 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
5430         PR c++/69851
5431         * expr.c (store_field): Don't use bit-field path if exp is
5432         COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
5433         different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
5434         and the assignment can be performed by bitwise copy.  Formatting
5435         fix.
5437         PR middle-end/69838
5438         * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
5439         call copy_reg_eh_region_note_forward on before and/or after sequences
5440         and remove note from insn if it no longer can throw.
5442         PR target/69820
5443         * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
5444         if TARGET_AVX512BW.
5446 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5448         * config/s390/vector.md: Add missing commutative operand markers
5449         to the patterns which qualify for one.
5450         * config/s390/vx-builtins.md: Likewise.
5452 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5454         * config/s390/vector.md (VI, VI_QHS): Add single element vector
5455         types to mode iterators.
5456         (vec_double): ... and mode attribute.
5457         * config/s390/vx-builtins.md (non_vec_int): Likewise.
5459 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5461         * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
5462         Change the predicate of op2 from nonimmediate to general and let
5463         reload fix it if necessary.
5465 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5467         * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.
5469 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5471         * config/s390/s390.c (s390_expand_vcond): Use the compare operand
5472         mode.
5474 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5476         * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
5477         * config/s390/s390.c (s390_expand_vec_movstr): New function.
5478         * config/s390/s390.md ("movstr<P:mode>"): Call
5479         s390_expand_vec_movstr.
5481 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5483         * config/s390/s390.md: Add missing output modifier for operand 1
5484         to print it as address properly.
5486 2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
5488         * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
5489         * config/s390/2964.md: New file.
5490         * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
5491         of insn grouping attributes depending on the CPU level.
5492         (s390_get_unit_mask): New function.
5493         (s390_sched_score): Remove the OOO from the scheduling macros.
5494         Add loop to calculate a score for the instruction mix.
5495         (s390_sched_reorder): Likewise plus improve debug output.
5496         (s390_sched_variable_issue): Rename macros as above.  Calculate
5497         the unit distances after actually scheduling an insn.  Improve
5498         debug output.
5499         (s390_sched_init): Clear last_scheduled_unit_distance array.
5500         * config/s390/s390.md: Include 2964.md.
5502 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
5504         PR target/69671
5505         * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
5506         *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
5507         *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
5508         *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
5509         *avx512f_<code>v8div16qi2_mask_1): New insns.
5511 2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
5513         PR target/68404
5514         * config/rs6000/predicates.md (fusion_gpr_addis): Revert
5515         2016-02-09 change.
5517         * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
5518         earlyclobber from target.  Use wF constraint for fused memory
5519         address.
5520         (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.
5522 2016-02-18  Jakub Jelinek  <jakub@redhat.com>
5523             Martin Liska  <mliska@suse.cz>
5525         PR sanitizer/69863
5526         * cfgexpand.c (asan_sanitize_stack_p): New function.
5527         (partition_stack_vars): Use the function.
5528         (expand_stack_vars): Likewise.
5529         (defer_stack_allocation): Likewise.
5530         (expand_used_vars): Likewise.
5532 2016-02-18  Richard Biener  <rguenther@suse.de>
5534         PR middle-end/69553
5535         * fold-const.c (operand_equal_p): Properly compare offsets for
5536         IMAGPART_EXPR and ARRAY_REF.
5538 2016-02-18  Nick Clifton  <nickc@redhat.com>
5540         PR target/62254
5541         PR target/69610
5542         * config/arm/arm.c (arm_option_override_internal): Disable
5543         interworking if the target does not support thumb instructions.
5544         (arm_reload_in_hi): Handle the case where a register to register
5545         move needs reloading because there is no simple pattern to handle
5546         it.
5547         (arm_reload_out_hi): Likewise.
5549 2016-02-18  Richard Biener  <rguenther@suse.de>
5551         PR middle-end/69854
5552         * match.pd: Don't use fold_binary or fold_unary for folding
5553         constants.
5555 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
5557         PR c++/69850
5558         * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
5559         on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
5560         * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
5561         warn on gimple_no_warning_p statements.
5563 2016-02-17  Jonathan Wakely  <jwakely@redhat.com>
5565         * doc/extend.texi (C++ Attributes): Correct description of
5566         warn_unused type attribute.
5568 2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5570         * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
5571         correct instruction.
5573 2016-02-17  Richard Biener  <rguenther@suse.de>
5575         PR rtl-optimization/69609
5576         * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
5577         (find_traces_1_round): When ending a trace update cached priority
5578         of successors.
5579         (bb_to_key): Use cached priority when available.
5580         (copy_bb): Initialize cached priority.
5581         (reorder_basic_blocks_software_trace_cache): Likewise.
5583 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5585         PR target/69161
5586         * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
5587         New predicate.
5588         (aarch64_comparison_operator): Break overly long line into two.
5589         (aarch64_comparison_operation): Likewise.
5590         * config/aarch64/aarch64.md (cstorecc4): Use
5591         aarch64_comparison_operator_mode instead of
5592         aarch64_comparison_operator.
5593         (cstore<mode>4): Likewise.
5594         (aarch64_cstore<mode>): Likewise.
5595         (*cstoresi_insn_uxtw): Likewise.
5596         (cstore<mode>_neg): Likewise.
5597         (*cstoresi_neg_uxtw): Likewise.
5599 2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
5601         PR target/69161
5602         * config/arm/predicates.md (arm_comparison_operator_mode):
5603         New predicate.
5604         * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
5605         instead of arm_comparison_operator.
5606         (*mov_negscc): Likewise.
5607         (*mov_notscc): Likewise.
5608         * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
5609         (*thumb2_mov_negscc): Likewise.
5610         (*thumb2_mov_negscc_strict_it): Likewise.
5611         (*thumb2_mov_notscc): Likewise.
5612         (*thumb2_mov_notscc_strict_it): Likewise.
5614 2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>
5616         * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
5617         Add missing return.
5619 2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>
5621         * config/visium/visium.c (machine_libfunc_index): New enum.
5622         (machine_libfuncs): New structure.
5623         (visium_libfuncs): New static variable.
5624         (TARGET_INIT_LIBFUNCS): Define to...
5625         (visium_init_libfuncs): ...this.  New function.
5626         (expand_block_move_4): Use the appropriate libfunc.
5627         (expand_block_move_2): Likewise.
5628         (expand_block_move_1): Likewise.
5629         (expand_block_set_4): Likewise.
5630         (expand_block_set_2): Likewise.
5631         (expand_block_set_1): Likewise.
5632         (visium_trampoline_init): Likewise.
5634 2016-02-17  Nick Clifton  <nickc@redhat.com>
5636         * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
5637         TI's devices.csv file as of March 2016.
5639 2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>
5641         PR Target/48344
5642         * opts-global.c (handle_common_deferred_options): Introduce and
5643         initialize two global variables to remember command-line options
5644         specifying a stack-limiting register.
5645         * opts.h: Add extern declarations of the two new global variables.
5646         * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
5647         variable based on the values of the two new global variables.
5649 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5651         PR c/69835
5652         * common.opt (Wnonnull-compare): New warning.
5653         * doc/invoke.texi (-Wnonnull): Remove text about comparison
5654         of arguments against NULL.
5655         (-Wnonnull-compare): Document.
5656         * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
5657         * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
5658         * passes.def (pass_warn_nonnull_compare): Add.
5659         * gimple-ssa-nonnull-compare.c: New file.
5661 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5663         * config/aarch64/aarch64.c (cortexa57_tunings): Remove
5664         AARCH64_EXTRA_TUNE_RECIP_SQRT.
5666 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5668         * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
5669         reciprocal sqrt for -mlow-precision-recip-sqrt.
5671 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5672             Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5674         * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
5675         always use lane loads to construct non-constant vectors.
5677 2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
5679         * config/aarch64/aarch64.md
5680         (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
5681         constraints for operand 3.
5682         (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.
5684 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5685             Richard Biener  <rguenther@suse.de>
5687         PR tree-optimization/69820
5688         * tree-vect-patterns.c (type_conversion_p): Return false if
5689         *orig_type is unsigned single precision or boolean.
5690         (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
5691         Formatting fix.
5693 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5695         PR rtl-optimization/69764
5696         PR rtl-optimization/69771
5697         * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
5698         op1 is valid for GET_MODE_INNER (mode) and force it into a reg.
5700 2016-02-16  Richard Biener  <rguenther@suse.de>
5702         PR tree-optimization/69776
5703         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
5704         sets from caller.
5705         (indirect_refs_may_alias_p): Likewise.
5706         (refs_may_alias_p_1): Pass alias sets as from ao_ref.
5707         * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
5708         according to tbaa_p.
5709         * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
5710         (optimize_stmt): For redundant store discovery do not allow tbaa.
5712 2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>
5714         PR tree-optimization/69714
5715         * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
5716         Return NULL if we have irrelevant high bytes on BIG_ENDIAN.
5718 2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>
5720         * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
5721         * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
5722         (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
5723         * config/arc/arc.c (arc_init): Check FPU options.
5724         (get_arc_condition_code): Handle new CC_FPU* modes.
5725         (arc_select_cc_mode): Likewise.
5726         (arc_conditional_register_usage): Allow 64 bit datum into even-odd
5727         register pair only. Allow access for ARCv2 accumulator.
5728         (gen_compare_reg): Whenever we have FPU support use FPU compare
5729         instructions.
5730         (arc_reorg): Don't generate brcc insns when FPU compare
5731         instructions are involved.
5732         * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
5733         (TARGET_OPTFPE): Add condition when ARC EM can use optimized
5734         floating point emulation.
5735         (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
5736         (REVERSE_CONDITION): Add new CC_FPU* modes.
5737         (TARGET_FP_SP_BASE): Define.
5738         (TARGET_FP_DP_BASE): Likewise.
5739         (TARGET_FP_SP_FUSED): Likewise.
5740         (TARGET_FP_DP_FUSED): Likewise.
5741         (TARGET_FP_SP_CONV): Likewise.
5742         (TARGET_FP_DP_CONV): Likewise.
5743         (TARGET_FP_SP_SQRT): Likewise.
5744         (TARGET_FP_DP_SQRT): Likewise.
5745         (TARGET_FP_DP_AX): Likewise.
5746         * config/arc/arc.md (ARCV2_ACC): New constant.
5747         (type): New fpu type attribute.
5748         (SDF): Conditional iterator.
5749         (cstore<mode>, cbranch<mode>): Change expand condition.
5750         (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
5751         handles FPU/FPX cases as well.
5752         * config/arc/arc.opt (mfpu): New option.
5753         * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
5754         Renamed.
5755         (adddf3, muldf3, subdf3): Removed.
5756         * config/arc/predicates.md (proper_comparison_operator): Recognize
5757         CC_FPU* modes.
5758         * config/arc/fpu.md: New file.
5759         * doc/invoke.texi (ARC Options): Document mfpu option.
5761 2016-02-16  Richard Biener  <rguenther@suse.de>
5763         PR rtl-optimization/69291
5764         * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
5765         noce_operand_ok check.
5767 2016-02-16  Tom de Vries  <tom@codesourcery.com>
5769         PR lto/67709
5770         * omp-low.c (simd_clone_create): Remove call to
5771         symtab->call_cgraph_insertion_hooks.
5773 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
5775         PR tree-optimization/69802
5776         * tree-ssa-reassoc.c (update_range_test): If op is
5777         SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
5778         op == 1 test of precision 1 integral op, otherwise handle
5779         that case as op itself.  Fix up formatting.
5780         (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
5781         up formatting.
5783 2016-02-16  Richard Biener  <rguenther@suse.de>
5785         PR tree-optimization/69586
5786         * tree-vrp.c (register_edge_assert_for_2): Handle all integral
5787         types for conversion sources.
5789 2016-02-16  Richard Biener  <rguenther@suse.de>
5791         PR middle-end/69801
5792         * fold-const.c (operand_equal_p): For COND_EXPR zero operand
5793         mask OEP_ADDRESS_OF.
5795 2016-02-16  Alan Modra  <amodra@gmail.com>
5797         PR target/68973
5798         * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
5799         (p8_mtvsrd_df, p8_mtvsrd_sf): New.
5800         (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
5801         (p8_mtvsrwz): New.
5802         (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
5803         (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
5804         (p8_fmrgow_<mode>): Likewise.
5805         (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
5806         changes.
5807         (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
5808         (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
5809         to use movdi_internal64.  Remove op0_di.
5810         * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.
5812 2016-02-15  Evandro Menezes  <e.menezes@samsung.com>
5814         Add support for the FCCMP insn types
5816         * config/aarch64/aarch64.md (fccmp): Change insn type.
5817         (fccmpe): Likewise.
5818         * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
5819         * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
5820         * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
5821         * config/arm/xgene1.md (xgene1_fcmp): Likewise.
5822         * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
5823         * config/arm/types.md (fccmps): Add new insn type.
5824         (fccmpd): Likewise.
5826 2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
5828         * alias.c (get_alias_set): Fix a typo in comment.
5830 2016-02-15  Richard Biener  <rguenther@suse.de>
5832         PR tree-optimization/69595
5833         * match.pd: Complete range test simplification to true.
5835 2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>
5837         PR rtl-optimization/69648
5838         * lra-constraints.c (update_ebb_live_info): Don't remove sets of
5839         pic_offset_table_rtx.
5841         PR rtl-optimization/69752
5842         * ira.c (update_equiv_regs): When looking for more than a single SET,
5843         also take other side effects into account.
5845 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
5847         * config/s390/s390.c (s390_function_profiler): Add a new sequence
5848         for z900+ CPUs in 31-bit mode.
5850 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
5852         * common/config/s390/s390-common.c (s390_supports_split_stack):
5853         New function.
5854         (TARGET_SUPPORTS_SPLIT_STACK): New macro.
5855         * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
5856         * config/s390/s390.c (struct machine_function): New field
5857         split_stack_varargs_pointer.
5858         (s390_register_info): Mark r12 as clobbered if it'll be used as temp
5859         in s390_emit_prologue.
5860         (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
5861         vararg pointer.
5862         (morestack_ref): New global.
5863         (SPLIT_STACK_AVAILABLE): New macro.
5864         (s390_expand_split_stack_prologue): New function.
5865         (s390_live_on_entry): New function.
5866         (s390_va_start): Use split-stack vararg pointer if appropriate.
5867         (s390_asm_file_end): Emit the split-stack note sections.
5868         (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
5869         * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
5870         (UNSPECV_SPLIT_STACK_CALL): New unspec.
5871         (UNSPECV_SPLIT_STACK_DATA): New unspec.
5872         (split_stack_prologue): New expand.
5873         (split_stack_space_check): New expand.
5874         (split_stack_data): New insn.
5875         (split_stack_call): New expand.
5876         (split_stack_call_*): New insn.
5877         (split_stack_cond_call): New expand.
5878         (split_stack_cond_call_*): New insn.
5880 2016-02-15  Richard Biener  <rguenther@suse.de>
5882         PR tree-optimization/69783
5883         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
5884         Add trivially correct cases.
5886 2016-02-15  Tom de Vries  <tom@codesourcery.com>
5888         PR lto/69655
5889         * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
5890         do_force_output.
5891         * lto-streamer.h (input_offload_tables): Add and handle bool parameter.
5893 2016-02-15  Richard Biener  <rguenther@suse.de>
5895         PR tree-optimization/69776
5896         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
5897         * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
5898         indicate whether we can use TBAA to disambiguate against stores.
5899         Use alias-set zero if not.
5900         (visit_reference_op_store): Do not use TBAA when looking up
5901         redundant stores.
5902         * tree-ssa-pre.c (compute_avail): Use TBAA here.
5903         (eliminate_dom_walker::before_dom_children): But not when looking
5904         up redundant stores.
5906 2016-02-14  John David Anglin  <danglin@gcc.gnu.org>
5908         * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.
5910 2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
5912         *  config/i386/znver1.md
5913         (znver1_pop, znver1_pop_mem,
5914         znver1_load_imov_double_store,
5915         znver1_load_imov_direct_store,
5916         znver1_load_imov_direct_load,
5917         znver1_load_imov_double_load): Add new.
5918         (znver1_insn, znver1_insn_load): Add icmov type.
5919         (znver1_sseavx_fma,
5920         znver1_sseavx_fma_load,
5921         znver1_avx256_fma,
5922         znver1_avx256_fma_load): Fix pipe usage.
5924 2016-02-14  Alan Modra  <amodra@gmail.com>
5926         PR target/68973
5927         * reloads.c (find_reloads_address_1): For pre/post-inc/dec
5928         with an invalid hard reg, reload just the reg not the entire
5929         pre/post-inc/dec address expression.
5931 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
5933         PR target/67260
5934         * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
5935         fixed R1_REG scratch reg.
5936         (sibcall_value_pcrel_fdpic): Likewise.
5938 2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>
5940         PR target/67636
5941         PR target/64345
5942         * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.
5944 2016-02-12  Walter Lee  <walt@tilera.com>
5946         * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
5947         * config/tilegx/t-tilegx: Likewise.
5949 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
5951         PR other/69554
5952         * diagnostic-show-locus.c (struct line_span): New struct.
5953         (layout::get_first_line): Delete.
5954         (layout::get_last_line): Delete.
5955         (layout::get_num_line_spans): New member function.
5956         (layout::get_line_span): Likewise.
5957         (layout::print_heading_for_line_span_index_p): Likewise.
5958         (layout::get_expanded_location): Likewise.
5959         (layout::calculate_line_spans): Likewise.
5960         (layout::m_first_line): Delete.
5961         (layout::m_last_line): Delete.
5962         (layout::m_line_spans): New field.
5963         (layout::layout): Update comment.  Replace m_first_line and
5964         m_last_line with m_line_spans, replacing their initialization
5965         with a call to calculate_line_spans.
5966         (diagnostic_show_locus): When printing source lines and
5967         annotations, rather than looping over a single span
5968         of lines, instead loop over each line_span within
5969         the layout, with an inner loop over the lines within them.
5970         Call the context's start_span callback when changing line spans.
5971         * diagnostic.c (diagnostic_initialize): Initialize start_span.
5972         (diagnostic_build_prefix): Break out the building of the location
5973         part of the string into...
5974         (diagnostic_get_location_text): ...this new function, rewriting
5975         it from nested ternary expressions to a sequence of "if"
5976         statements.
5977         (default_diagnostic_start_span_fn): New function.
5978         * diagnostic.h (diagnostic_start_span_fn): New typedef.
5979         (diagnostic_context::start_span): New field.
5980         (default_diagnostic_start_span_fn): New prototype.
5982 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
5984         PR driver/69779
5985         * gcc.c (driver::finalize): Fix cleanup of "specs".
5987 2016-02-12  David Malcolm  <dmalcolm@redhat.com>
5989         PR driver/69265
5990         PR driver/69453
5991         * gcc.c (driver::driver): Initialize m_option_suggestions.
5992         (driver::~driver): Clean up m_option_suggestions.
5993         (suggest_option): Convert to...
5994         (driver::suggest_option): ...this, and split out into
5995         driver::build_option_suggestions and find_closest_string.
5996         (driver::build_option_suggestions): New function, from
5997         first half of suggest_option.  Special-case
5998         OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
5999         the sanitizer_opts array.  For options of enum types, add the
6000         various enum values to the candidate strings.
6001         (driver::handle_unrecognized_options): Remove "const".
6002         * gcc.h (driver::handle_unrecognized_options): Likewise.
6003         (driver::build_option_suggestions): New decl.
6004         (driver::suggest_option): New decl.
6005         (driver::m_option_suggestions): New field.
6006         * opts-common.c (add_misspelling_candidates): New function.
6007         * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
6008         and make non-static.
6009         * opts.h (sanitizer_opts): New array decl.
6010         (add_misspelling_candidates): New function decl.
6011         * spellcheck.c (find_closest_string): New function.
6012         * spellcheck.h (find_closest_string): New function decl.
6014 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
6016         PR rtl-optimization/69764
6017         PR rtl-optimization/69771
6018         * optabs.c (expand_binop_directly): For shift_optab_p, force
6019         convert_modes with VOIDmode if xop1 has VOIDmode.
6021 2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>
6023         PR target/69729
6024         * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
6025         to correctly determine instrumentation thunks.
6027 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
6029         PR ipa/69241
6030         * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
6031         type by reference, force lhs on the call.
6033         PR ipa/68672
6034         * ipa-split.c (split_function): Don't compute/use main_part_return_p.
6035         Compute retval and retbnd early in all cases if split_part_return_p
6036         and return_bb is not EXIT.  Remove all clobber stmts and reset
6037         all debug stmts that refer to SSA_NAMEs defined in split part,
6038         except if it is retval, in that case replace the old retval with the
6039         lhs of the call to the split part.
6041 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
6043         revert:
6044         2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
6046         PR middle-end/66726
6047         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
6048         whose result is used in PHI.
6049         (maybe_optimize_range_tests): Likewise.
6050         (final_range_test_p): Likweise.
6052 2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
6054         PR middle-end/66726
6055         * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
6056         whose result is used in PHI.
6057         (maybe_optimize_range_tests): Likewise.
6058         (final_range_test_p): Likweise.
6060 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
6062         * cgraph.c: Spelling fixes - behaviour -> behavior and
6063         neighbour -> neighbor.
6064         * target.def: Likewise.
6065         * sel-sched.c: Likewise.
6066         * config/mips/mips.c: Likewise.
6067         * config/arc/arc.md: Likewise.
6068         * config/arm/cortex-a57.md: Likewise.
6069         * config/arm/arm.c: Likewise.
6070         * config/arm/neon.md: Likewise.
6071         * config/arm/arm-c.c: Likewise.
6072         * config/vms/vms-c.c: Likewise.
6073         * config/s390/s390.c: Likewise.
6074         * config/i386/znver1.md: Likewise.
6075         * config/i386/i386.c: Likewise.
6076         * config/ia64/hpux-unix2003.h: Likewise.
6077         * config/msp430/msp430.md: Likewise.
6078         * config/rx/rx.c: Likewise.
6079         * config/rx/rx.md: Likewise.
6080         * config/aarch64/aarch64-simd.md: Likewise.
6081         * config/aarch64/aarch64.c: Likewise.
6082         * config/nvptx/nvptx.c: Likewise.
6083         * config/bfin/bfin.c: Likewise.
6084         * config/cris/cris.opt: Likewise.
6085         * config/rs6000/rs6000.c: Likewise.
6086         * target.h: Likewise.
6087         * spellcheck.c: Likewise.
6088         * ira-build.c: Likewise.
6089         * tree-inline.c: Likewise.
6090         * builtins.c: Likewise.
6091         * lra-constraints.c: Likewise.
6092         * explow.c: Likewise.
6093         * hwint.h: Likewise.
6094         * targhooks.c: Likewise.
6095         * tree-vect-data-refs.c: Likewise.
6096         * expr.c: Likewise.
6097         * doc/tm.texi: Likewise.
6098         * doc/extend.texi: Likewise.
6099         * doc/install.texi: Likewise.
6100         * doc/md.texi: Likewise.
6101         * tree-ssa-tail-merge.c: Likewise.
6102         * sched-int.h: Likewise.
6103         * match.pd: Likewise.
6104         * sched-ebb.c: Likewise.
6105         * target.def (omit_struct_return_reg): Likewise.
6106         * gimple-ssa-isolate-paths.c: Likewise.
6107         (find_implicit_erroneous_behaviour): Renamed to...
6108         (find_implicit_erroneous_behavior): ... this.
6109         (find_explicit_erroneous_behaviour): Renamed to...
6110         (find_explicit_erroneous_behavior): ... this.
6111         (gimple_ssa_isolate_erroneous_paths): Adjust caller.
6113 2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>
6115         PR rtl-optimization/64682
6116         PR rtl-optimization/69567
6117         PR rtl-optimization/69737
6118         * combine.c (distribute_notes) <REG_DEAD>: If the register is set
6119         in I2 as well, just lose it.
6121 2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6123         * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
6124         New variable.
6125         (aarch64_last_printed_tune_string): Likewise.
6126         (aarch64_declare_function_name): Only output .arch assembler
6127         directive if it will be different from the previously output
6128         directive.  Same for .tune comment but only if -dA is set.
6129         (aarch64_start_file): New function.
6130         (TARGET_ASM_FILE_START): Define.
6132 2016-02-11  David Malcolm  <dmalcolm@redhat.com>
6134         PR plugins/69758
6135         * Makefile.in (PLUGIN_HEADERS): Add params.list.
6137 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
6139         PR target/65313
6140         * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
6141         -Wmaybe-uninitialized warning.
6143 2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>
6145         PR target/69713
6146         * config/sh/sh.md (casesi_worker_0): Add T_REG use.
6148 2016-02-11  Richard Biener  <rguenther@suse.de>
6150         PR rtl-optimization/69291
6151         * ifcvt.c (noce_try_store_flag_constants): Do not allow
6152         subexpressions affected by changing the result.
6154 2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>
6156         PR target/69148
6157         * lra-constraints.c (curr_insn_transform): Find in/out operands
6158         for secondary memory moves.  Update dups.
6160 2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>
6162         PR tree-optimization/69652
6163         * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
6164         to nested loop, did source re-formatting, skip debug statements,
6165         add check on statement with volatile operand, remove dead scalar
6166         statements.
6168 2016-02-10  Jakub Jelinek  <jakub@redhat.com>
6169             Patrick Palka  <ppalka@gcc.gnu.org>
6171         PR ipa/69241
6172         PR c++/69649
6173         * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
6174         calls if the return type is TREE_ADDRESSABLE.
6175         * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
6176         * ipa-split.c (split_function): Fix doubled "we" in comment.
6177         Use void return type for the split part even if
6178         !split_point->split_part_set_retval.
6180 2016-02-10  Bin Cheng  <bin.cheng@arm.com>
6182         PR tree-optimization/68021
6183         * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
6184         when computing the value of biv cand by itself.
6186 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
6188         * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
6189         (cortexa57_tunings): Likewise.
6190         (cortexa72_tunings): Likewise.
6191         (arch_macro_fusion_pair_p): Add support for AES fusion.
6192         * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
6193         * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
6194         Allow virtual registers before reload so early scheduling works.
6195         * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
6196         correct latency and pipeline.
6197         (cortex_a57_crypto_complex): Likewise.
6198         (cortex_a57_crypto_xor): Likewise.
6199         (define_bypass): Add AES bypass.
6201 2016-02-10  Richard Biener  <rguenther@suse.de>
6203         PR tree-optimization/69726
6204         * passes.def: Add DCE pass before late uninit.
6205         * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
6206         really fixup if-conversions job.
6208 2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>
6210         * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
6211         (arm_cortex_a57_tune): Likewise.
6212         (aarch_macro_fusion_pair_p): Add support for AES fusion.
6213         * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.
6215 2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>
6217         * timevar.def (TV_PHASE_DBGINFO): Delete.
6218         (TV_PHASE_CHECK_DBGINFO): Likewise.
6219         * varpool.c (varpool_node::assemble_decl): Do not change timevar.
6221 2016-02-10  Richard Biener  <rguenther@suse.de>
6223         PR tree-optimization/69719
6224         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
6225         Adjust previous fix by ensuring that dr_a1 is left of dr_a2.
6227 2016-02-09  Andrew Pinski  <apinski@cavium.com>
6229         PR tree-opt/69282
6230         * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
6231         get_vcond_mask_icode returns false.
6233 2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
6235         PR target/68404
6236         * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
6237         an ADDIS that adds a pointer to a large constant that sets the
6238         upper16 bits with a load operation.
6240 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
6242         PR target/68532
6243         * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
6244         order.
6245         * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
6246         endian.
6247         (vzipq_s16): Likewise.
6248         (vzipq_s32): Likewise.
6249         (vzipq_f32): Likewise.
6250         (vzipq_u8): Likewise.
6251         (vzipq_u16): Likewise.
6252         (vzipq_u32): Likewise.
6253         (vzipq_p8): Likewise.
6254         (vzipq_p16): Likewise.
6256 2016-02-09  Charles Baylis  <charles.baylis@linaro.org>
6258         PR target/68532
6259         * config/arm/arm.c (neon_endian_lane_map): New function.
6260         (neon_vector_pair_endian_lane_map): New function.
6261         (arm_evpc_neon_vuzp): Allow for big endian lane order.
6262         * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
6263         endian.
6264         (vuzpq_s16): Likewise.
6265         (vuzpq_s32): Likewise.
6266         (vuzpq_f32): Likewise.
6267         (vuzpq_u8): Likewise.
6268         (vuzpq_u16): Likewise.
6269         (vuzpq_u32): Likewise.
6270         (vuzpq_p8): Likewise.
6271         (vuzpq_p16): Likewise.
6273 2016-02-11  Alexandre Oliva  <aoliva@redhat.com>
6275         PR target/69634
6276         * regstat.c (regstat_bb_compute_calls_crossed): Disregard
6277         debug insns.
6279 2016-02-09  Uros Bizjak  <ubizjak@gmail.com>
6281         * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
6282         truncate const_int operand 1 to QImode.
6284 2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>
6286         * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
6287         corresponding to an abnormal edge.
6289 2016-02-09  Tom de Vries  <tom@codesourcery.com>
6291         PR tree-optimization/69599
6292         * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
6293         function.
6294         (find_func_aliases_for_builtin_call, find_func_clobbers)
6295         (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
6296         partition.
6298 2016-02-09  Richard Biener  <rguenther@suse.de>
6300         PR tree-optimization/69715
6301         * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
6302         LHS on calls as non-rewritable.
6304 2016-02-09  Tom de Vries  <tom@codesourcery.com>
6306         PR lto/69707
6307         * lto-wrapper.c (append_diag_options): New function.
6308         (compile_offload_image): Call append_diag_options.
6310 2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>
6312         PR other/69722
6313         * doc/extend.texi (Flag Output Operands): Correct sectioning.
6314         Minor copy-edit to fix verb tenses.
6316 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
6318         PR tree-optimization/69209
6319         * ipa-split.c (split_function): If split part is not
6320         returning retval, retval has gimple type but is not
6321         gimple value, force it into a SSA_NAME first.
6323 2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>
6325         * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
6326         outdated section.
6328 2016-02-08  Jason Merrill  <jason@redhat.com>
6330         PR c++/69631
6331         * convert.c (convert_to_integer_1): Check dofold on truncation
6332         distribution.
6333         (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
6334         (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
6335         Rename from *_nofold.
6336         * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
6337         (convert_to_real_nofold, convert_to_complex_nofold): New inlines.
6339 2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>
6341         PR target/60410
6342         * tree.c (build_common_tree_nodes): Remove short_double argument.
6343         All callers changed.
6344         * tree.h (build_common_tree_nodes): Adjust declaration.
6345         * doc/invoke.texi (-fshort-double): Remove documentation.
6346         * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
6347         MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
6348         * lto-wrapper.c (merge_and_complain, append_compiler_options)
6349         (append_linker_options): Don't handle OPT_fshort_double.
6351         PR rtl-optimization/68730
6352         * lra-remat.c (insn_to_cand_activation): New static variable.
6353         (lra_remat): Allocate and free it.
6354         (create_cand): New arg activation. Initialize a field in
6355         insn_to_cand_activation if it is nonnull.
6356         (create_cands): Pass the activation insn to create_cand when making
6357         a candidate involving an output reload.  Reorganize code a little.
6358         (do_remat): Keep track of active status of candidates in a separate
6359         bitmap.
6361 2016-02-08  Richard Biener  <rguenther@suse.de>
6363         PR tree-optimization/69719
6364         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
6365         Properly use absolute of the difference of the two offsets to
6366         compare or adjust the segment length.
6368 2016-02-08  Richard Biener  <rguenther@suse.de>
6369             Jeff Law  <law@redhat.com>
6371         PR target/68273
6372         * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
6373         types for anonymous SSA names.
6375 2016-02-08   Richard Biener  <rguenther@suse.de>
6377         PR rtl-optimization/69274
6378         * ira.c (ira_setup_alts): Do not change recog_data.operand order.
6380 2016-02-08  Jeff Law  <law@redhat.com>
6382         PR tree-optimization/65917
6383         * tree-ssa-dom.c (record_temporary_equivalences): Record both
6384         equivalences from if (x == y) style conditionals.
6385         (loop_depth_of_name): Remove.
6386         (record_equality): Remove loop depth check.
6387         * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
6388         (const_and_copies::record_const_or_copy_raw): New member function.
6389         * tree-ssa-scopedtables.c
6390         (const_and_copies::record_const_or_copy_raw): New, factored out of
6391         (const_and_copies::record_const_or_copy): Call new member function.
6393 2016-02-05  Jeff Law  <law@redhat.com>
6395         PR tree-optimization/68541
6396         * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
6397         (count_stmts_in_block): New function.
6398         (poor_ifcvt_candidate_code): Likewise.
6399         (is_feasible_trace): Add some heuristics to determine when path
6400         splitting is profitable.
6401         (find_block_to_duplicate_for_splitting_paths): Make sure the graph
6402         is a diamond with a single exit.
6404 2016-02-05  Martin Sebor  <msebor@redhat.com>
6406         PR c++/69662
6407         * doc/invoke.texi: Update -Wplacement-new to take an optional
6408         argument.
6410 2016-02-06  Richard Henderson  <rth@redhat.com>
6412         PR c/69643
6413         * tree.c (tree_nop_conversion_p): Do not strip casts into or
6414         out of non-standard address spaces.
6416 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
6418         PR rtl-optimization/69691
6419         * lra-eliminations.c (move_plus_up): Don't add the addend twice.
6421 2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>
6423         * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
6424         * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
6425         (*ieee128_mfvsrd_64bit): Likewise.
6426         (*ieee128_mfvsrd_32bit): Likewise.
6428 2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>
6430         PR target/69369
6431         Revert r232560:
6432         2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
6434         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
6435         instrumented_version.
6437 2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>
6439         * doc/invoke.texi (Optimize Options): In table of --param options
6440         rename second occurrence of tracer-min-branch-ratio to
6441         tracer-min-branch-probability, rename
6442         tracer-min-branch-ratio-feedback to
6443         tracer-min-branch-probability-feedback and clarify description,
6444         rename sched-spec-state-edge-prob-cutoff to
6445         sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
6446         to selsched-insns-to-rename, rename lto-minpartition to
6447         lto-min-partition, delete reorder-blocks-duplicate and
6448         reorder-blocks-duplicate-feedback.
6450 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6452         * config/s390/s390.c (s390_register_info_set_ranges): Remove
6453         superfluous loops.
6455 2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
6457         * doc/extend.texi: S/390: Correct some typos.
6459 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6461         * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.
6463 2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6465         PR target/69625
6466         * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
6467         (s390_register_info_gprtofpr): Use new macros above.
6468         (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
6469         its name.
6470         (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
6471         its name.  Adjust restore and save gpr ranges.
6472         (s390_register_info_set_ranges): New function.
6473         (s390_register_info): Use new macros above.  Call
6474         s390_register_info_set_ranges.
6475         (s390_optimize_register_info): Likewise.
6476         (s390_hard_regno_rename_ok): Use new macros.
6477         (s390_hard_regno_scratch_ok): Likewise.
6478         (s390_emit_epilogue): Likewise.
6479         (s390_can_use_return_insn): Likewise.
6480         (s390_optimize_prologue): Likewise.
6481         * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.
6483 2016-02-05  Jakub Jelinek  <jakub@redhat.com>
6485         PR bootstrap/69677
6486         * config/i386/i386.c (convert_scalars_to_vector): Readd stack
6487         alignment fixes.
6488         (ix86_option_override_internal): Disable TARGET_STV even for
6489         -m{incoming,preferred}-stack-boundary=3.
6491 2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6493         * config.gcc: Mark deprecated rtems targets as obsolete.
6495 2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>
6497         PR rtl-optimization/64682
6498         PR rtl-optimization/69567
6499         * combine.c (distribute_notes) <REG_DEAD>: Place the death note
6500         before I2 only if the register is both used and set in I2.
6502 2016-02-04  DJ Delorie  <dj@redhat.com>
6504         * config/msp430/msp430.c (msp430_start_function): Add function type.
6506 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
6508         PR fortran/69368
6509         * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.
6511 2016-02-04  Uros Bizjak  <ubizjak@gmail.com>
6513         PR rtl-optimization/69577
6514         Revert:
6515         2015-10-29  Richard Henderson  <rth@redhat.com>
6517         PR target/68124
6518         PR rtl-opt/67609
6519         * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
6520         sse check to the exact conditions of PR 67609.
6522 2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
6524         PR target/69667
6525         * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
6526         instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
6527         not allowed into the traditional Altivec registers.
6528         (movtd_64bit_nodm): Likewise.
6529         (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.
6531 2016-02-04  David Malcolm  <dmalcolm@redhat.com>
6533         * config/aarch64/cortex-a57-fma-steering.c
6534         (aarch64_register_fma_steering): Remove "static" from arguments
6535         to register_pass.
6537 2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>
6539         PR target/69619
6540         * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
6541         twice when complex.
6543 2016-02-04  Mike Frysinger  <vapier@gentoo.org>
6545         * doc/invoke.texi: Delete -mno-fma4.
6547 2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>
6549         PR rtl-optimization/69577
6550         * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
6551         (find_subregs_of_mode): Update accordingly.  Iterate over partial
6552         definitions.
6554 2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>
6556         * config/arm/arm-protos.h (neon_reinterpret): Remove.
6557         * config/arm/arm.c (neon_reinterpret): Remove.
6558         * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
6559         vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
6560         vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
6561         vreinterpretti): Remove.
6562         * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
6563         neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
6564         neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
6565         neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
6566         neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
6567         neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
6568         * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
6569         vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
6570         vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
6571         vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
6572         vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
6573         vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
6574         vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
6575         vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
6576         vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
6577         vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
6578         vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
6579         vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
6580         vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
6581         vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
6582         vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
6583         vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
6584         vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
6585         vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
6586         vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
6587         vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
6588         vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
6589         vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
6590         vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
6591         vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
6592         vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
6593         vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
6594         vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
6595         vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
6596         vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
6597         vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
6598         vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
6599         vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
6600         vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
6601         vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
6602         vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
6603         vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
6604         vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
6605         vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
6606         vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
6607         vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
6608         vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
6609         vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
6610         vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
6611         vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
6612         vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
6613         vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
6614         vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
6615         vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
6616         vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
6617         vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
6618         vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
6619         vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
6620         vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
6621         vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
6622         vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
6623         vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
6624         vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
6625         vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
6626         vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
6627         vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
6628         vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
6629         vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
6630         vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
6631         vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
6632         vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
6633         vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
6634         vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
6635         vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
6636         vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
6637         vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
6638         vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
6639         vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
6640         vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
6641         vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
6642         vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
6643         vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
6644         vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
6645         vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
6646         vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
6647         vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
6648         vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
6649         vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
6650         vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
6651         vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
6652         vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
6653         vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
6654         vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
6655         vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
6656         vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
6657         vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
6658         vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
6659         vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
6660         vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
6661         vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
6662         vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
6663         vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
6664         vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.
6666 2016-02-04  Martin Liska  <mliska@suse.cz>
6668         PR sanitizer/69276
6669         * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
6670         that are gimple_store_p.
6671         (maybe_instrument_call): Likewise.
6673 2016-02-04  Bin Cheng  <bin.cheng@arm.com>
6675         * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
6676         register scaling out of memory reference and comment why.
6678 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6680         PR target/65932
6681         PR target/67714
6682         * cse.c (cse_insn): Pass NULL to fold_rtx when initially
6683         folding the source of a SET.
6685 2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
6687         PR target/65932
6688         PR target/67714
6689         * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
6690         the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.
6692 2016-02-04  Jim Wilson  <jim.wilson@linaro.org>
6694         PR target/65932
6695         PR target/67714
6696         * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
6697         HImode.
6699 2016-02-04  Christian Bruel  <christian.bruel@st.com>
6701         * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
6702         * config/arm/arm.c (arm_set_current_function): Likewise.
6704 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
6705             Ilya Enkovich  <enkovich.gnu@gmail.com>
6706             H.J. Lu  <hongjiu.lu@intel.com>
6708         PR target/69454
6709         * config/i386/i386.c (convert_scalars_to_vector): Remove
6710         stack alignment fixes.
6711         (ix86_option_override_internal): Disable TARGET_STV if stack
6712         might not be aligned enough.
6713         (ix86_minimum_alignment): Assert that TARGET_STV is false.
6715 2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>
6717         * gcc/config/i386/x86-tune.def: Disable default prefetching
6718         for -march=znver1.
6720 2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
6721             Vladimir Makarov  <vmakarov@redhat.com>
6723         PR target/69461
6724         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
6725         in validating fused toc addresses.
6727 2016-02-03  Jakub Jelinek  <jakub@redhat.com>
6729         PR c/69627
6730         * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
6731         range->m_caret fields if range->m_show_caret_p is false.
6733         PR target/69644
6734         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
6735         Force oldval into register if it does not satisfy reg_or_short_operand
6736         predicate.  Fix up formatting.
6738 2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
6739             Alexandre Oliva  <aoliva@redhat.com>
6741         PR target/69461
6742         * lra-constraints.c (simplify_operand_subreg): Check additionally
6743         address validity after potential reloading.
6744         (process_address_1): Check insns validity.  In case of failure do
6745         nothing.
6747 2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>
6749         PR target/69118
6750         * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
6751         Fix target.
6753 2016-02-02  Jakub Jelinek  <jakub@redhat.com>
6755         * wide-int.cc (canonize_uhwi): New function.
6756         (wi::divmod_internal): Use it.
6758 2016-02-02  James Norris  <jnorris@codesourcery.com
6760         * gimplify.c (omp_notice_variable): Add usage check.
6762 2016-02-02  Alexander Monakov  <amonakov@ispras.ru>
6764         * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
6765         like LE, GE, LT, GT when emitting relational operator.
6767 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
6769         * ira-costs.c (find_costs_and_classes): Add extra argument.
6770         * target.def (ira_change_pseudo_allocno_class): Add parameter.
6771         * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
6772         * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
6773         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
6774         Add best_class parameter, and return it if not ALL_REGS.
6775         * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
6776         Add parameter.
6777         * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
6778         Update target hook.
6780 2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>
6782         * config/aarch64/aarch64.c
6783         (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
6784         (aarch64_ira_change_pseudo_allocno_class): New function.
6786 2016-02-02  Uros Bizjak  <ubizjak@gmail.com>
6788         PR target/67032
6789         * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.
6791 2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>
6793         * config/avr/avr.c (avr_option_override): Set
6794         PARAM_ALLOW_STORE_DATA_RACES to 1.
6796 2016-02-02  Richard Biener  <rguenther@suse.de>
6798         PR tree-optimization/69595
6799         * match.pd: Add range test simplifications to true/false.
6801 2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>
6803         * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
6804         * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
6805         instead.
6807 2016-02-02  Richard Biener  <rguenther@suse.de>
6809         PR tree-optimization/69606
6810         * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
6811         info on the result before moving a stmt.
6813 2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>
6815         PR middle-end/68542
6816         * config/i386/i386.c (ix86_expand_branch): Add support for conditional
6817         branch with vector comparison.
6818         * config/i386/sse.md (VI48_AVX): New mode iterator.
6819         (define_expand "cbranch<mode>4): Add support for conditional branch
6820         with vector comparison.
6821         * tree-vect-loop.c (optimize_mask_stores): New function.
6822         * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
6823         has_mask_store field of vect_info.
6824         * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
6825         vectorized loops having masked stores after vec_info destroy.
6826         * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
6827         correspondent macros.
6828         (optimize_mask_stores): Add prototype.
6830 2016-02-02  Alan Modra  <amodra@gmail.com>
6832         PR target/69548
6833         * config/rs6000/predicates.md (quad_int_reg_operand): Don't
6834         allow subregs.
6836 2016-02-02  Alan Modra  <amodra@gmail.com>
6838         PR target/68662
6839         * config/rs6000/rs6000.c (need_toc_init): New var, set it
6840         whenever toc_label_name used.
6841         (rs6000_file_start): Don't set up toc section here,
6842         (rs6000_output_function_epilogue): do so here instead,
6843         (rs6000_xcoff_file_start): and here.
6844         * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
6845         (load_toc_aix_di): Likewise.
6847 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
6849         PR rtl-optimization/69592
6850         * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
6851         (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
6852         (num_sign_bit_copies_binary_arith_p): New inline function.
6853         (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.
6855 2016-02-01  Jeff Law  <law@redhat.com>
6857         PR tree-optimization/69580
6858         * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
6859         * tree-ssa-threadbackward.c
6860         (fsm_find_control_statement_thread_paths): Do not try to walk
6861         through large PHI nodes.
6863 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
6865         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
6866         when count is incremented above limit, don't analyze further
6867         insns afterwards.
6869         * omp-low.c (oacc_parse_default_dims): Avoid
6870         -Wsign-compare warning, make sure value fits into int
6871         rather than just unsigned int.
6873 2016-02-01  Bin Cheng  <bin.cheng@arm.com>
6875         PR tree-optimization/67921
6876         * fold-const.c (split_tree): New parameters.  Convert pointer
6877         type variable part to proper type before negating.
6878         (fold_binary_loc): Pass new arguments to split_tree.
6880 2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>
6882         * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
6883         (nvptx_goacc_validate_dims): Extend to handle global defaults.
6884         * target.def (OACC_VALIDATE_DIMS): Extend documentation.
6885         * doc/tm.texti: Rebuilt.
6886         * doc/invoke.texi (fopenacc-dim): Document.
6887         * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
6888         (append_compiler_options): Likewise.
6889         * omp-low.c (oacc_default_dims, oacc_min_dims): New.
6890         (oacc_parse_default_dims): New.
6891         (oacc_validate_dims): Add USED arg.  Select non-unity default when
6892         possible.
6893         (oacc_loop_fixed_partitions): Return mask of used partitions.
6894         (oacc_loop_auto_partitions): Emit dump info.
6895         (oacc_loop_partition): Return mask of used partitions.
6896         (execute_oacc_device_lower): Parse default dimension arg.  Adjust
6897         loop partitioning and validation calls.
6899 2016-02-01  Richard Biener  <rguenther@suse.de>
6901         PR middle-end/69556
6902         * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.
6904 2016-02-01  Richard Biener  <rguenther@suse.de>
6906         PR tree-optimization/69574
6907         * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
6908         of asserting return chrec_dont_know.
6910 2016-02-01  Martin Liska  <mliska@suse.cz>
6912         * mem-stats-traits.h: Add copyright header.
6913         * mem-stats.h: Likewise.
6915 2016-02-01  Richard Biener  <rguenther@suse.de>
6917         PR tree-optimization/69579
6918         * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
6919         Do not propagate through abnormal PHI results.
6921 2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>
6923         * postreload.c (reload_cse_simplify): Remove dead code.
6925 2016-02-01  Jakub Jelinek  <jakub@redhat.com>
6927         PR rtl-optimization/69570
6928         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
6929         if there is more than one set, not if there is a single set.
6931 2016-02-01  Richard Henderson  <rth@redhat.com>
6933         PR rtl-opt/69535
6934         * combine.c (make_compound_operation): When looking through a
6935         subreg, make sure to re-extend to the width of the outer mode.
6937 2016-01-30  Jakub Jelinek  <jakub@redhat.com>
6939         PR tree-optimization/69546
6940         * wide-int.cc (wi::divmod_internal): For unsigned division
6941         where both operands fit into uhwi, if o1 is 1 and o0 has
6942         msb set, if divident_prec is larger than bits per hwi,
6943         clear another quotient word and return 2 instead of 1.
6944         Similarly for remainder with msb in HWI set, if dividend_prec
6945         is larger than bits per hwi.
6947 2016-01-29  Martin Jambor  <mjambor@suse.cz>
6949         * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
6950         Use short lowercase names.
6951         (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
6952         MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
6953         acq_rel one.  Protect warning agains segfaults if
6954         get_memory_order_name returns NULL.
6955         (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
6956         with release semantics.  Do not warn if get_memory_order already did.
6957         (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
6958         semantics.  Fix check for relaxed or acquire semantics.  Do not warn
6959         if get_memory_order already did.
6961 2016-01-29  Sebastian Pop  <s.pop@samsung.com>
6963         * doc/install.texi: Document that isl-0.16 is supported.
6965 2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>
6967         PR target/69299
6968         * config/i386/constraints.md (Bm): Describe as special memory
6969         constraint.
6970         * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
6971         * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6972         * genpreds.c (struct constraint_data): Add is_special_memory.
6973         (have_special_memory_constraints, special_memory_start): New
6974         static vars.
6975         (special_memory_end): Ditto.
6976         (add_constraint): Add new arg is_special_memory.  Add code to
6977         process its true value.  Update have_special_memory_constraints.
6978         (process_define_constraint): Pass the new arg.
6979         (process_define_register_constraint): Ditto.
6980         (choose_enum_order): Process special memory.
6981         (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
6982         function insn_extra_special_memory_constraint.
6983         (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6984         * gensupport.c (process_rtx): Process
6985         DEFINE_SPECIAL_MEMORY_CONSTRAINT.
6986         * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
6987         * ira-lives.c (single_reg_class): Use
6988         insn_extra_special_memory_constraint.
6989         * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
6990         * lra-constraints.c (process_alt_operands): Ditto.
6991         (curr_insn_transform): Use insn_extra_special_memory_constraint.
6992         * recog.c (asm_operand_ok, preprocess_constraints): Process
6993         CT_SPECIAL_MEMORY.
6994         * reload.c (find_reloads): Ditto.
6995         * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
6996         * stmt.c (parse_input_constraint): Use
6997         insn_extra_special_memory_constraint.
6999 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
7001         PR target/69530
7002         * lra-splill.c (lra_final_code_change): Revert r229087 by
7003         removing all sub-registers.
7005 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
7007         PR target/65604
7008         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
7010 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
7012         PR target/69551
7013         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
7014         SSE1, copy target into the temporary reg first before recursing
7015         on it.
7017 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
7019         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
7020         with vm.
7022 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
7024         * ginclude/stdarg.h: Test __cplusplus instead of
7025         __GXX_EXPERIMENTAL_CXX0X__.
7027 2016-01-29  Richard Biener  <rguenther@suse.de>
7029         PR tree-optimization/69547
7030         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
7031         Do not mark clobbers necessary.
7032         (mark_all_reaching_defs_necessary_1): Likewise.
7034 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
7036         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
7037         declaration name with %qs and print it in both error messages.
7038         Also fix indentation.
7040 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
7042         PR other/69006
7043         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
7044         trailing blank line from error message.
7046 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
7048         PR c++/69462
7049         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
7050         for C++-11.
7052 2016-01-29  Richard Biener  <rguenther@suse.de>
7054         PR middle-end/69537
7055         * match.pd: Allow all integral types when simplifying a
7056         widening or sign-changing conversion.
7058 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
7060         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
7061         back to setting codegen_error to fail codegen.
7063 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
7065         PR target/69459
7066         * config/i386/constraints.md (C): Only accept constant zero operand.
7067         (BC): New constraint.
7068         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
7069         instead of C constraint.
7070         * doc/md.texi (Machine Constraints): Update description
7071         of C constraint.
7073 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
7075         PR target/68400
7076         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
7078 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
7080         PR middle-end/69542
7081         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
7082         non-debug insns.
7084 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
7086         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
7087         branches if using guessed profile.
7089 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
7091         * graphite-optimize-isl.c (optimize_isl): Fix dump.
7093 2016-01-28  Richard Henderson  <rth@redhat.com>
7095         PR target/69305
7096         * config/aarch64/aarch64-modes.def (CC_Cmode): New
7097         * config/aarch64/aarch64-protos.h: Update.
7098         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
7099         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
7100         (aarch64_get_condition_code_1): Handle CC_Cmode.
7101         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
7102         (*add<mode>3_compareC_cconly_imm): New.
7103         (*add<mode>3_compareC_cconly): New.
7104         (*add<mode>3_compareC_imm): New.
7105         (add<mode>3_compareC): New.
7106         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
7107         to be first.  Use aarch64_carry_operation.
7108         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
7109         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
7110         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
7111         (subti3): Use subdi3_compare1.
7112         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
7113         (sub<mode>3_compare1): New.
7114         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
7115         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
7116         (*subsi3_carryin_uxtw): Likewise.
7117         (*ngc<mode>, *ngcsi_uxtw): Likewise.
7118         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
7119         * config/aarch64/iterators.md (DWI): New.
7120         * config/aarch64/predicates.md (aarch64_carry_operation): New.
7121         (aarch64_borrow_operation): New.
7123 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
7125         * graphite-optimize-isl.c (optimize_isl): Print a different debug
7126         message when isl does not return a valid schedule.
7128 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
7130         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
7131         Remove comments from class declarations: they are already in the code
7132         close by the defs.
7134 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
7136         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
7137         codegen_error_p.
7138         (ternary_op_to_tree): Same.
7139         (unary_op_to_tree): Same.
7140         (nary_op_to_tree): Same.
7141         (gcc_expression_from_isl_expr_op): Same.
7142         (gcc_expression_from_isl_expression): Same.
7143         (graphite_create_new_loop): Same.
7144         (graphite_create_new_loop_guard): Same.
7145         (build_iv_mapping): Same.
7146         (graphite_create_new_guard): Same.
7147         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
7148         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
7150 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
7152         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
7153         instead of setting codegen_error to fail codegen.
7155 2016-01-28  Jason Merrill  <jason@redhat.com>
7157         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
7159 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
7161         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
7162         Remove CONST_INT_P check in CCMP cost calculation.
7164 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
7166         * config/aarch64/aarch64.c (generic_vector_cost):
7167         Set vec_permute_cost.
7168         (cortexa57_vector_cost): Likewise.
7169         (exynosm1_vector_cost): Likewise.
7170         (xgene1_vector_cost): Likewise.
7171         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
7172         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
7173         Add vec_permute_cost entry.
7175 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
7177         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
7178         immediate as %1.
7179         (add<mode>3_compare0): Likewise.
7180         (addsi3_compare0_uxtw): Likewise.
7181         (add<mode>3nr_compare0): Likewise.
7182         (compare_neg<mode>): Likewise.
7183         (<optab><mode>3): Likewise.
7185 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
7187         * tree-vect-stmts.c (vectorizable_comparison): Add
7188         NULL check for vectype.
7190 2016-01-28  Richard Biener  <rguenther@suse.de>
7192         PR tree-optimization/69466
7193         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
7194         Account for PHIs we couldn't duplicate.
7196 2016-01-28  Martin Liska  <mliska@suse.cz>
7198         PR pch/68758
7199         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
7200         instead of ENABLE_VALGRIND_CHECKING.
7202 2016-01-27  Richard Henderson  <rth@redhat.com>
7204         PR rtl-opt/69447
7205         * lra-remat.c (subreg_regs): New.
7206         (dump_candidates_and_remat_bb_data): Dump it.
7207         (operand_to_remat): Reject if operand in subreg_regs.
7208         (set_bb_regs): Collect subreg_regs.
7209         (lra_remat): Init and free subreg_regs.  Compute
7210         calculate_local_reg_remat_bb_data before create_cands.
7212 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
7214         PR target/68986
7215         * config/i386/i386.c (ix86_update_stack_boundary): Don't
7216         change stack_alignment_needed for __tls_get_addr call.
7218 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
7220         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
7222 2016-01-27  Jeff Law  <law@redhat.com>
7224         PR tree-optimization/68398
7225         PR tree-optimization/69196
7226         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
7227         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
7228         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7229         Only count PHIs in the last block in the path.  The others will
7230         const/copy propagate away.  Add heuristic to allow more irreducible
7231         subloops to be created when it is likely profitable to do so.
7233         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
7234         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
7235         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
7237 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
7239         PR lto/69254
7240         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
7241         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
7242         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
7243         * tree-streamer-in.c: Include asan.h.
7244         (streamer_get_builtin_tree): For builtins in sanitizer
7245         range call initialize_sanitizer_builtins and retry.
7247 2016-01-27  Ian Lance Taylor  <iant@google.com>
7249         * common.opt (fkeep-gc-roots-live): New undocumented option.
7250         * tree-ssa-loop-ivopts.c (add_candidate_1): If
7251         -fkeep-gc-roots-live, skip pointers.
7252         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
7253         NULL.
7255 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
7257         PR target/69512
7258         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
7259         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
7261 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
7263         PR target/68380
7264         * configure.ac: NetBSD provides SSP in its C library.
7265         * configure: Updated.
7267 2016-01-27  Richard Biener  <rguenther@suse.de>
7269         PR tree-optimization/69166
7270         * tree-vect-loop.c (vect_is_simple_reduction): Always check
7271         reduction code for commutativity / associativity.
7273 2016-01-27  Martin Jambor  <mjambor@suse.cz>
7275         PR tree-optimization/69355
7276         * tree-sra.c (analyze_access_subtree): Correct hole detection when
7277         total_scalarization fails.
7279 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
7281         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
7282         power9.
7284 2016-01-27  Christian Bruel  <christian.bruel@st.com>
7286         PR target/69245
7287         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
7288         Move arm_reset_previous_fndecl and set_target_option_current_node in
7289         the conditional part.  Call save_restore_target_globals.
7290         * config/arm/arm.c (arm_set_current_function):
7291         Refactor to better support #pragma target and attribute mix.
7292         Call save_restore_target_globals.
7293         * config/arm/arm-protos.h (save_restore_target_globals): New function.
7295 2016-01-27  Martin Liska  <mliska@suse.cz>
7297         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
7298         reference for an HSA kernel and its host function.
7300 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
7302         PR tree-optimization/69399
7303         * wide-int.h (wi::lrshift): For larger precisions, only
7304         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
7306 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
7308         * config/arc/predicates.md (proper_comparison_operator): Reject
7309         constant-constant comparison.
7311 2016-01-26  Tom de Vries  <tom@codesourcery.com>
7313         PR tree-optimization/69110
7314         * tree-data-ref.c (initialize_data_dependence_relation): Handle
7315         DR_NUM_DIMENSIONS == 0.
7317 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
7318             Sebastian Pop  <s.pop@samsung.com>
7320         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
7321         isl_ast_op_cond and isl_ast_op_select.
7322         (gcc_expression_from_isl_expr_op): Same.
7324 2016-01-26  Jason Merrill  <jason@redhat.com>
7326         PR c++/68782
7327         * tree.c (recompute_constructor_flags): Split out from
7328         build_constructor.
7329         (verify_constructor_flags): New.
7330         * tree.h: Declare them.
7332 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
7334         PR rtl-optimization/69217
7335         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
7336         are no TYPE_FIELDS set for the record type.
7338 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7340         PR target/68662
7341         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
7342         toc_label_name unconditionally.
7343         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
7344         SYMBOL_REF string.  Use toc_label_name instead of constructing
7345         LCTOC1.
7346         (rs6000_elf_declare_function_name): Use toc_label_name instead of
7347         constructing LCTOC1.
7349 2016-01-26  Martin Sebor  <msebor@redhat.com>
7351         PR other/69477
7352         * doc/extend.texi (Common Type Attributes): Move text that talks about
7353         attribute packed from attribute aligned to the section discussing
7354         the former attribute for clarity.
7356 2016-01-26  Richard Henderson  <rth@redhat.com>
7358         PR middle-end/60908
7359         * trans-mem.c (tm_region_init): Mark entry block as visited.
7361 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
7363         PR other/69006
7364         * diagnostic-show-locus.c (layout::print_source_line): Replace
7365         call to pp_newline with call to layout::print_newline.
7366         (layout::print_annotation_line): Likewise.
7367         (layout::move_to_column): Likewise.
7368         (layout::print_any_fixits): After printing any fixits, print a
7369         trailing newline, if necessary.
7370         (layout::print_newline): New method, resetting any colorization
7371         before a newline.
7372         (diagnostic_show_locus): Move the pp_newline to before the
7373         early bailout.  Remove dummy block enclosing the layout instance.
7374         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
7375         of pp_newline_and_flush with pp_flush.
7376         (diagnostic_append_note): Delete use of pp_newline.
7377         (diagnostic_append_note_at_rich_loc): Delete.
7378         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
7379         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
7380         when newline characters are added to the buffer.
7382 2016-01-26  Michael Matz  <matz@suse.de>
7384         * configure.ac (ac_cv_std_swap_in_utility): New test.
7385         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
7386         * configure: Regenerate.
7387         * config.in: Regenerate.
7389 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
7391         * config/arc/arc.md (cstoresi4): Force operand into register.
7392         (arcset<code>): Fix predicate.
7393         (arcsetltu): Likewise.
7394         (arcsetgeu): Likewise.
7395         (arcsethi): Likewise.
7396         (arcsetls): Likewise.
7398 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7400         PR tree-optimization/69483
7401         * gimple-fold.c (canonicalize_constructor_val): Return NULL
7402         if base has error_mark_node type.
7404 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
7406         PR target/68620
7407         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
7408         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
7409         New helper macros.
7410         (vget_lane_f16): Handle big-endian.
7411         (vgetq_lane_f16): Likewise.
7412         (vset_lane_f16): Likewise.
7413         (vsetq_lane_f16): Likewise.
7414         * config/arm/iterators.md (VQXMOV): Add V8HF.
7415         (VDQ): Add V4HF and V8HF.
7416         (V_reg): Handle V4HF and V8HF.
7417         (Is_float_mode): Likewise.
7418         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
7419         neon_vdup_nv8hf): New patterns.
7420         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
7421         Use VD_LANE iterator.
7422         (neon_vld1_dup<mode>): Use VQ2 iterator.
7424 2016-01-26  Nathan Sidwell  <nathan@acm.org>
7426         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
7427         (set_oacc_fn_attrib): Add IS_KERNEL arg.
7428         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
7429         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
7430         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
7431         (oacc_validate_dims): Add LEVEL arg, don't return level.
7432         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
7433         oacc_validate_dims.
7434         (execute_oacc_device_lower): Adjust, add more dump output.
7435         * tree-ssa-loop.c (gate_oacc_kernels): Use
7436         oacc_fn_attrib_kernels_p.
7437         * tree-parloops.c (create_parallel_loop): Adjust
7438         set_oacc_fn_attrib call.
7440 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7442         PR lto/69254
7443         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
7444         (append_compiler_options): Handle -fcilkplus.
7445         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
7447 2016-01-26  Nick Clifton  <nickc@redhat.com>
7449         PR target/66655
7450         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
7451         been marked as DECL_ONE_ONLY but we do not the means to make it
7452         so, then do not allow it to bind locally.
7454 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7456         PR lto/69254
7457         * opts.h (parse_sanitizer_options): New prototype.
7458         * opts.c (sanitizer_opts): New array.
7459         (parse_sanitizer_options): New function.
7460         (common_handle_option): Use parse_sanitizer_options.
7462 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
7464         PR target/68986
7465         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
7466         alignment adjustment to ...
7467         (ix86_update_stack_boundary): Here.  Don't over-align stack for
7468         __tls_get_addr.
7469         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
7470         if __tls_get_addr is called.
7472 2016-01-26  Christian Bruel  <christian.bruel@st.com>
7474         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
7476 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
7478         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
7480 2016-01-26  Richard Biener  <rguenther@suse.de>
7482         PR middle-end/69467
7483         * match.pd: Guard X * CST CMP 0 pattern with single_use.
7485 2016-01-26  Richard Biener  <rguenther@suse.de>
7487         PR tree-optimization/69452
7488         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
7489         (move_computations_dom_walker::before_dom_children): Rename
7490         to ...
7491         (move_computations_worker): This.
7492         (move_computations): Perform an RPO rather than a DOM walk.
7494 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
7496         PR target/69442
7497         * combine.c (combine_instructions): For REG_EQUAL note with
7498         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
7499         to the underlying register.
7500         * doc/rtl.texi (REG_EQUAL): Document the behavior of
7501         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
7503 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
7505         PR target/67896
7506         * config/aarch64/aarch64-builtins.c
7507         (aarch64_init_simd_builtin_types): Do not set structural
7508         equality to __Poly{8,16,64,128}_t types.
7510 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
7512         PR tree-optimization/69400
7513         * wide-int.cc (wi_pack): Take the precision as argument and
7514         perform canonicalization here rather than in the callers.
7515         Use the main loop to handle all full-width HWIs.  Add a
7516         zero HWI if in_len isn't a full result.
7517         (wi::divmod_internal): Update accordingly.
7518         (wi::mul_internal): Likewise.  Simplify.
7520 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
7521             Sebastian Pop  <s.pop@samsung.com>
7523         * graphite-poly.c (apply_poly_transforms): Simplify.
7524         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
7525         (print_isl_map): Same.
7526         (print_isl_union_map): Same.
7527         (print_isl_schedule): New.
7528         (debug_isl_schedule): New.
7529         * graphite-dependences.c (scop_get_reads): Do not call
7530         isl_union_map_add_map that is undocumented isl functionality.
7531         (scop_get_must_writes): Same.
7532         (scop_get_may_writes): Same.
7533         (scop_get_original_schedule): Remove.
7534         (scop_get_dependences): Do not call isl_union_map_compute_flow that
7535         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
7536         (compute_deps): Remove.
7537         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
7538         (debug_schedule_ast): New.
7539         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
7540         set_separate_option.
7541         (graphite_regenerate_ast_isl): Add dump.
7542         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
7543         from scop->transformed_schedule.
7544         (graphite_regenerate_ast_isl): Add more dump.
7545         * graphite-optimize-isl.c (optimize_isl): Set
7546         scop->transformed_schedule.  Check whether schedules are equal.
7547         (apply_poly_transforms): Move here.
7548         * graphite-poly.c (apply_poly_transforms): ... from here.
7549         (free_poly_bb): Static.
7550         (free_scop): Static.
7551         (pbb_number_of_iterations_at_time): Remove.
7552         (print_isl_ast): New.
7553         (debug_isl_ast): New.
7554         (debug_scop_pbb): New.
7555         * graphite-scop-detection.c (print_edge): Move.
7556         (print_sese): Move.
7557         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
7558         (build_scop_scattering): Remove.
7559         (create_pw_aff_from_tree): Assert instead of bailing out.
7560         (add_condition_to_pbb): Remove unused code, do not fail.
7561         (add_conditions_to_domain): Same.
7562         (add_conditions_to_constraints): Remove.
7563         (build_scop_context): New.
7564         (add_iter_domain_dimension): New.
7565         (build_iteration_domains): Initialize pbb->iterators.
7566         Call add_conditions_to_domain.
7567         (nested_in): New.
7568         (loop_at): New.
7569         (index_outermost_in_loop): New.
7570         (index_pbb_in_loop): New.
7571         (outermost_pbb_in): New.
7572         (add_in_sequence): New.
7573         (add_outer_projection): New.
7574         (outer_projection_mupa): New.
7575         (add_loop_schedule): New.
7576         (build_schedule_pbb): New.
7577         (build_schedule_loop): New.
7578         (embed_in_surrounding_loops): New.
7579         (build_schedule_loop_nest): New.
7580         (build_original_schedule): New.
7581         (build_poly_scop): Call build_original_schedule.
7582         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
7583         (free_poly_dr): Remove.
7584         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
7585         (free_poly_bb): Remove.
7586         (debug_loop_vec): Remove.
7587         (print_isl_ast): Declare.
7588         (debug_isl_ast): Declare.
7589         (scop_do_interchange): Remove.
7590         (scop_do_strip_mine): Remove.
7591         (scop_do_block): Remove.
7592         (flatten_all_loops): Remove.
7593         (optimize_isl): Remove.
7594         (pbb_number_of_iterations_at_time): Remove.
7595         (debug_scop_pbb): Declare.
7596         (print_schedule_ast): Declare.
7597         (debug_schedule_ast): Declare.
7598         (struct scop): Remove schedule.  Add original_schedule,
7599         transformed_schedule.
7600         (free_gimple_poly_bb): Remove.
7601         (print_generated_program): Remove.
7602         (debug_generated_program): Remove.
7603         (unify_scattering_dimensions): Remove.
7604         * sese.c (print_edge): ... here.
7605         (print_sese): ... here.
7606         (debug_edge): ... here.
7607         (debug_sese): ... here.
7608         * sese.h (print_edge): Declare.
7609         (print_sese): Declare.
7610         (dump_edge): Declare.
7611         (dump_sese): Declare.
7613 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
7614             Sebastian Pop  <s.pop@samsung.com>
7616         * Makefile.in: Set ISLVER in site.exp.
7618 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
7620         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
7621         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
7622         through DECL_VALUE_EXPR for expansion.
7624 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7626         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
7627         the frame info after reload completed.
7629 2016-01-25  Jeff Law  <law@redhat.com>
7631         PR tree-optimization/69196
7632         PR tree-optimization/68398
7633         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
7634         tree-ssa-threadupdate.c.
7635         (determine_bb_domination_status): Prototype
7636         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
7637         (determine_bb_domination_status): No longer static.
7638         (valid_jump_thread_path): Remove code to detect characteristics
7639         of the jump thread path not associated with correctness.
7640         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
7641         Correct test for thread path length.  Count PHIs for real operands as
7642         statements that need to be copied.  Do not count ASSERT_EXPRs.
7643         Look at all the blocks in the thread path.  Compute and selectively
7644         filter thread paths based on threading through the latch, threading
7645         a multiway branch or crossing a multiway branch.
7647 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7649         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
7650         decl with __attribute__ ((unused)) annotation.
7652 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
7654         PR target/69421
7655         * tree-vect-stmts.c (vectorizable_condition): Check vectype
7656         of operands is compatible with a statement vectype.
7658 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
7660         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
7661         improve wording for mixed storage order support.
7663 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
7665         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
7666         (vcvt_u64_f64): Likewise.
7667         (vcvta_s64_f64): Likewise.
7668         (vcvta_u64_f64): Likewise.
7669         (vcvtm_s64_f64): Likewise.
7670         (vcvtm_u64_f64): Likewise.
7671         (vcvtn_s64_f64): Likewise.
7672         (vcvtn_u64_f64): Likewise.
7673         (vcvtp_s64_f64): Likewise.
7674         (vcvtp_u64_f64): Likewise.
7676 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
7678         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
7679         (arc_init): Check validity mll64 option.
7680         (arc_save_restore): Use double load/store instruction.
7681         (arc_expand_movmem): Likewise.
7682         (arc_split_move): Don't split if we have double load/store
7683         instructions. Returns a boolean.
7684         (arc_process_double_reg_moves): Change function to return boolean
7685         instead of a sequence of instructions.
7686         (arc_dwarf_register_span): New function.
7687         * config/arc/arc-protos.h (arc_split_move): Change prototype.
7688         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
7689         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
7690         (*movdf_insn): Likewise.
7691         * config/arc/arc.opt (mll64): New option.
7692         * config/arc/predicates.md (even_register_operand): New predicate.
7693         * doc/invoke.texi (ARC Options): Add mll64 documentation.
7695 2016-01-25  Richard Biener  <rguenther@suse.de>
7697         PR lto/69393
7698         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
7699         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
7700         DECL_NAMELESS.
7701         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
7703 2016-01-25  Richard Biener  <rguenther@suse.de>
7705         PR tree-optimization/69376
7706         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
7707         flag.
7708         (VN_INFO_ANTI_RANGE_P): New inline.
7709         (VN_INFO_RANGE_TYPE): Likewise.
7710         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
7711         SSA_NAME_ANTI_RANGE_P.
7712         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
7713         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
7714         Properly query VN_INFO_RANGE_TYPE.
7716 2016-01-25  Nick Clifton  <nickc@redhat.com>
7718         PR target/66655
7719         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
7721 2016-01-23  Tom de Vries  <tom@codesourcery.com>
7723         PR tree-optimization/69426
7724         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
7725         removed clobber.
7727 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
7729         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
7730         "the the" with "the" in the comments.
7731         * ipa-devirt.c (build_type_inheritance_graph,
7732         update_type_inheritance_graph): Likewise.
7733         * tree.c (build_function_type_list_1): Likewise.
7734         * cfgloopmanip.c (scale_loop_profile): Likewise.
7735         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
7736         * gimple-ssa-split-paths.c
7737         (find_block_to_duplicate_for_splitting_paths): Likewise.
7738         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
7739         * expr.c (convert_move): Likewise.
7740         * var-tracking.c (vt_stack_adjustments): Likewise.
7741         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
7742         * tree-vrp.c (test_for_singularity): Likewise.
7744         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
7745         directly instead of building a temporary tree.
7747         PR bootstrap/69434
7748         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
7749         remove <algorithm> include.
7751 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
7753         PR target/69432
7754         * config/i386/i386.c: Include dojump.h.
7755         (expand_small_movmem_or_setmem,
7756         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
7757         fixes.
7758         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
7759         if dynamic_check != -1.
7761 2016-01-21  Jeff Law  <law@redhat.com>
7763         PR middle-end/69347
7764         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
7765         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
7766         into dominated_by_p.
7767         (cprop_into_successor_phis): Avoid unnecessary tests.
7769 2016-01-22  Richard Henderson  <rth@redhat.com>
7771         PR target/69416
7772         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
7773         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
7775 2016-01-22  Michael Matz  <matz@suse.de>
7777         * system.h (string, algorithm): Include only conditionally.
7778         (new): Include always under C++.
7779         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
7780         * final.c (toplevel): Ditto.
7781         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
7782         * genconditions.c (write_header): Make gencondmd.c define
7783         INCLUDE_STRING.
7784         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
7786         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
7787         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
7789 2016-01-22  Christian Bruel  <christian.bruel@st.com>
7791         PR target/68674
7792         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
7794 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7796         PR target/69403
7797         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
7798         define_insn_and_split.  Ensure operands[1] and operands[0] do not
7799         get assigned the same register.
7801 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
7803         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
7805 2016-01-22  Christian Bruel  <christian.bruel@st.com>
7807         * config/arm/arm-c.c (arm_pragma_target_parse):
7808         Remove warn_builtin_macro_redefined overwrite.
7810 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7812         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
7813         flag_non_call_exceptions compatibility.
7815 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
7817         PR debug/66668
7818         * dwarf2out.c (add_child_die_after): New function.
7819         (dwarf_qual_info_t): New type.
7820         (dwarf_qual_info): New variable.
7821         (qualified_die_p): New function.
7822         (modified_type_die): For -fdebug-types-section, ensure
7823         canonical order of qualifiers.  Put qualified DIEs adjacent
7824         to the corresponding non-qualified type DIE and search there
7825         for existing qualified DIEs.
7827 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7829         * doc/extend.texi (scalar_storage_order type attribute): Document
7830         restriction on type punning and aliasing, and remove future tense.
7832 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
7834         PR target/69252
7835         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
7836         first stage.
7838 2016-01-21  Jeff Law  <law@redhat.com>
7840         PR middle-end/69347
7841         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
7842         useless call to record_temporary_equivalences.
7843         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
7844         allocate 10 slots in the bb_path vector and let it grow as needed.
7845         (fsm_find_control_statement_thread_paths): Similarly for the next_path
7846         vector.
7848 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
7850         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
7851         Detangle.
7852         * configure: Regenerate.
7854 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
7856         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
7857         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
7859 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
7861         PR middle-end/66178
7862         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
7863         drop EXPAND_INITIALIZER.
7864         * rtl.h (contains_symbolic_reference_p): Declare.
7865         * rtlanal.c (contains_symbolic_reference_p): New function.
7866         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
7867         a subtraction into a NOT if symbolic constants are involved.
7869 2016-01-21  Anton Blanchard  <anton@samba.org>
7870             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7872         PR target/63354
7873         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
7874         #define.
7875         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
7876         function.
7878 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
7880         * config/microblaze/microblaze.c
7881         (get_branch_target): New.
7882         (insert_wic_for_ilb_runout): New.
7883         (insert_wic): New.
7884         (microblaze_machine_dependent_reorg): New.
7885         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
7886         * config/microblaze/microblaze.md
7887         (UNSPEC_IPREFETCH): Define.
7888         (iprefetch): New pattern
7889         * config/microblaze/microblaze.opt
7890         (mxl-prefetch): New flag.
7892 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
7894         * config/microblaze/microblaze.h
7895         (FIXED_REGISTERS): Update in macro.
7896         (CALL_USED_REGISTERS): Update in macro.
7898 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
7900         PR rtl-optimization/68920
7901         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
7902         moves.
7904 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
7906         PR rtl-optimization/68990
7907         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
7908         pseudo instead of inheritance ones.
7910 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
7911             Nick Clifton  <nickc@redhat.com>
7913         PR target/69129
7914         PR target/69012
7915         * config/mips/mips.c (mips_compute_frame_info): Initialise
7916         args_size and hard_frame_pointer_offset fields of the frame
7917         structure before calling mips_global_pointer.
7919 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
7921         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
7922         label reference.
7923         * configure: Regenerate.
7925 2016-01-21  Richard Biener  <rguenther@suse.de>
7927         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
7929 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
7931         * config/s390/s390.c (s390_asm_declare_function_size): Add code
7932         to actually emit the .size directive.
7934 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
7935              Jakub Jelinek  <jakub@redhat.com>
7937         PR target/69187
7938         PR target/65624
7939         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
7940         args array size by one to avoid buffer overflow.
7942 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
7944         * config/s390/s390.md (pool_section_start): Use switch_to_section
7945         to select proper read-only data section instead of hardcoding
7946         .rodata.
7947         (pool_section_end): Use switch_to_section to match the above.
7949 2016-01-21  Richard Biener  <rguenther@suse.de>
7951         PR tree-optimization/69378
7952         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
7953         (set_ssa_val_to): Use it for dominance checks taking into
7954         account not executable edges.
7956 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
7958         PR c++/69355
7959         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
7960         for bitsize instead of GET_MODE_PRECISION (mode).
7962 2016-01-20  Martin Sebor  <msebor@redhat.com>
7964         PR c/52291
7965         * extend.texi (__sync Builtins): Clarify the semantics of
7966         __sync_fetch_and_OP built-ins on pointers.
7967         (__atomic Builtins): Same.
7969 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7970             Sebastian Pop  <s.pop@samsung.com>
7972         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
7973         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
7974         (is_valid_rename): Same.
7975         (translate_isl_ast_to_gimple::get_rename): Same.
7976         (translate_isl_ast_to_gimple::rename_all_uses): Same.
7977         (translate_isl_ast_to_gimple::rename_uses): Same.
7978         (get_new_name): Check for close_phi nodes.
7979         (copy_loop_phi_args): Use phi_node_kind.
7980         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
7981         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
7983 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
7984             Sebastian Pop  <s.pop@samsung.com>
7986         Revert commit r229783.
7987         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
7988         Remove use of parameter_rename_map.
7989         (copy_def): Remove.
7990         (copy_internal_parameters): Remove.
7991         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
7992         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
7993         (free_sese_info): Do not free parameter_rename_map.
7994         (set_rename): Do not use parameter_rename_map.
7995         (rename_uses): Update call to set_rename.
7996         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
7997         * sese.h (parameter_rename_map_t): Remove.
7998         (struct sese_info_t): Remove field parameter_rename_map.
8000 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8001             Sebastian Pop  <s.pop@samsung.com>
8003         * graphite-isl-ast-to-gimple.c: Fix comment.
8004         * graphite-scop-detection.c (defined_in_loop_p): New.
8005         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
8006         names defined in loop.
8008 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8009             Sebastian Pop  <s.pop@samsung.com>
8011         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
8012         Discard unstructured if-then-else regions.
8014 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8015             Sebastian Pop  <s.pop@samsung.com>
8017         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
8018         (cleanup_loop_iter_dom): Remove.
8019         (build_loop_iteration_domains): Remove.
8020         (build_scop_context): Remove.
8021         (build_scop_iteration_domain): Remove.
8022         (add_loop_constraints): New.
8023         (build_iteration_domains): New.
8024         (build_poly_scop): Call build_iteration_domains.
8026 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8027             Sebastian Pop  <s.pop@samsung.com>
8029         * graphite-scop-detection.c
8030         (scop_detection::harmful_loop_in_region): Free dom and loops.
8031         (scop_detection::loop_body_is_valid_scop): Free bbs.
8033 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8034             Sebastian Pop  <s.pop@samsung.com>
8036         * graphite-scop-detection.c (record_loop_in_sese): New.
8037         (gather_bbs::before_dom_children): Call record_loop_in_sese.
8038         (build_scops): Remove call to build_sese_loop_nests.
8039         * sese.c (sese_record_loop): Remove.
8040         (build_sese_loop_nests): Remove.
8041         (new_sese_info): Remove region->loops.
8042         (free_sese_info): Same.
8043         * sese.h (sese_contains_loop): Same.
8044         (build_sese_loop_nests): Remove.
8045         (sese_contains_loop): Remove.
8047 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8048             Sebastian Pop  <s.pop@samsung.com>
8050         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
8051         loop_is_valid_in_scop.
8052         (scop_detection::harmful_stmt_in_region): Renamed
8053         harmful_loop_in_region.
8054         Call loop_is_valid_in_scop.
8056 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8057             Sebastian Pop  <s.pop@samsung.com>
8059         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
8060         isl_ast_node_mark.
8062 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8063             Sebastian Pop  <s.pop@samsung.com>
8065         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
8066         * graphite.h (struct poly_bb): Remove field is_reduction.
8067         (PBB_IS_REDUCTION): Remove.
8069 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
8070             Sebastian Pop  <s.pop@samsung.com>
8072         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
8073         (add_pdr_constraints): Same.
8074         (scop_get_reads): Same.
8075         (scop_get_must_writes): Same.
8076         (scop_get_may_writes): Same.
8077         (scop_get_original_schedule): Same.
8078         (extend_schedule): Same.
8079         (apply_schedule_on_deps): Same.
8080         (carries_deps): Same.
8081         (compute_deps): Same.
8082         (scop_get_dependences): Same.
8083         * graphite-isl-ast-to-gimple.c
8084         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
8085         * graphite-optimize-isl.c (get_schedule_for_band): Same.
8086         (get_schedule_for_band_list): Same.
8087         (get_schedule_map): Same.
8088         (apply_schedule_map_to_scop): Same.
8089         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
8090         (build_loop_iteration_domains): Same.
8091         (add_condition_to_pbb): Same.
8092         (add_param_constraints): Same.
8093         (pdr_add_memory_accesses): Same.
8094         (pdr_add_data_dimensions): Same.
8096 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
8098         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
8099         requirements.
8101 2016-01-20  Sandra Loosemore  <sandra@codesourcery.com>
8103         * common.opt (feliminate-dwarf2-dups): Replace references to
8104         "DWARF 2" with just "DWARF".
8105         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
8106         * doc/extend.texi: Likewise.
8107         * doc/cpp.texi: Likewise.
8108         * doc/invoke.texi: Likewise.
8109         (Option Summary): Add -gdwarf to list of Debugging Options.
8110         (Debugging Options): Document -gdwarf.
8111         * doc/contrib.texi: Spell "DWARF" like that.
8113 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
8115         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
8116         warning.  Fix up formatting.
8118         PR middle-end/67653
8119         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
8120         attempt to mark memory input operand addressable and
8121         call prepare_gimple_addressable in that case.  Don't adjust
8122         input_location for diagnostics, use error_at instead.
8124 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
8126         * config/rs6000/ppc-auxv.h: New file.
8127         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
8128         (cpu_is): Likewise.
8129         (cpu_supports): Likewise.
8130         * config/rs6000/rs6000.c: include "ppc-auxv.h".
8131         (cpu_is_info): New variable.
8132         (cpu_supports_info): Likewise.
8133         (tcb_verification_symbol): Likewise.
8134         (cpu_builtin_p): Likewise.
8135         (cpu_expand_builtin): New function.
8136         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
8137         (rs6000_init_builtins): Likewise.
8138         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
8139         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
8140         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
8141         * configure: Regenerate.
8142         * config.in: Likewise.
8143         * doc/extend.texi (PowerPC Built-in Functions): Document
8144         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
8146 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
8148         PR target/68609
8149         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
8150         domain check.
8151         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
8152         for V4SFmode.
8154 2016-01-20  Richard Henderson  <rth@redhat.com>
8156         PR bootstrap/69343
8157         PR bootstrap/69339
8158         PR tree-opt/68964
8159         Revert:
8160         * tree.c (tm_define_builtin): New.
8161         (find_tm_vector_type): New.
8162         (build_tm_vector_builtins): New.
8163         (build_common_builtin_nodes): Call it.
8165 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
8167         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
8168         (arm_fp_ok): Likewise.
8169         (arm_fp): Likewise.
8170         (arm_crypto): Likewise.
8172 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
8173             Richard Biener  <rguenther@suse.de>
8175         PR tree-optimization/69328
8176         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
8177         vectors have same number of elements.
8178         (vectorizable_condition): Fix masked version recognition.
8180 2016-01-20  Richard Biener  <rguenther@suse.de>
8182         PR tree-optimization/69345
8183         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
8184         (VN_INFO_PTR_INFO): Likewise.
8185         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
8186         info when it is equal between non-dominating SSA names.
8187         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
8188         Make sure to look at original SSA infos.
8190 2016-01-20  Jeff Law  <law@redhat.com>
8192         PR target/25114
8193         * config/m68k/predicates.md (pow2_m1_operand): New predicate
8194         extracted from ...
8195         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
8196         (pc_or_label_operand): New predicate.
8197         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
8198         tests for small integers that are 2^n - 1.
8200 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
8202         * doc/invoke.texi (Options Summary): Add '.' after @xref.
8204 2016-01-19  Jeff Law  <law@redhat.com>
8206         PR middle-end/69347
8207         * tree-ssa-threadbackwards.c
8208         (fsm_find_control_statement_thread_paths): Do not try to lookup
8209         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
8211 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
8213         * doc/lto.texi: Remove text that says only Gold has linker plugin
8214         support.
8216 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
8218         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
8219         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
8220         the DIE accordingly.
8221         (modified_type_die): Add REVERSE parameter and pass it recursively,
8222         as well as to base_type_die.  Adjust presence check accordingly.
8223         (base_type_for_mode): Adjust call to modified_type_die.
8224         (add_type_attribute): Add REVERSE parameter and pass it to
8225         modified_type_die.
8226         (generic_parameter_die): Adjust call to add_type_attribute.
8227         (add_scalar_info): Likewise.
8228         (add_subscript_info): Likewise.
8229         (gen_array_type_die): Likewise.
8230         (gen_descr_array_type_die): Likewise.
8231         (gen_entry_point_die): Likewise.
8232         (gen_enumeration_type_die): Likewise.
8233         (gen_formal_parameter_die): Likewise.
8234         (gen_subprogram_die): Likewise.
8235         (gen_variable_die ): Likewise.
8236         (gen_const_die): Likewise.
8237         (gen_field_die): Likewise.
8238         (gen_pointer_type_die): Likewise.
8239         (gen_reference_type_die): Likewise.
8240         (gen_ptr_to_mbr_type_die): Likewise.
8241         (gen_inheritance_die): Likewise.
8242         (gen_subroutine_type_die): Likewise.
8243         (gen_typedef_die): Likewise.
8244         (force_type_die): Adjust call to modified_type_die.
8246 2016-01-19  Sandra Loosemore  <sandra@codesourcery.com>
8248         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
8249         flow throughout the file.  Fix broken link to Objective-C 2.0
8250         documentation.
8251         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
8252         errors.
8254 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8256         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
8258 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8260         PR ipa/66223
8261         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
8262         (maybe_record_node): Record cxa_pure_virtual as the only possible
8263         target if there are not ohter candidates.
8264         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
8266 2016-01-19  Richard Biener  <rguenther@suse.de>
8268         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
8269         (get_memory_order): Likewise.
8271 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
8273         * tree-vect-stmts.c (vectorizable_store): Check
8274         rhs vectype.
8276 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
8278         PR jit/68446
8279         * gcc.c (driver::decode_argv): Add call to
8280         init_opts_obstack before init_options_struct.
8281         * opts.c (init_opts_obstack): Remove idempotency.
8282         (init_options_struct): Replace call to init_opts_obstack
8283         with a gcc_assert to verify that it has already been called.
8284         * toplev.c (toplev::main): Add call to init_opts_obstack before
8285         calls to init_options_struct.
8286         (toplev::finalize): Move cleanup of opts_obstack next to
8287         cleanup of save_decoded_options, clearing the latter, and
8288         save_decoded_options_count.
8290 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8292         PR target/69135
8293         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
8294         attribute to unconditional.  Remove %? from output template.
8296 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8297             Jiong Wang  <jiong.wang@arm.com>
8299         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
8300         generated from different expand order.
8302 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8304         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
8305         Add support for CCMP costing.
8307 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8309         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
8310         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
8311         (fccmpe<mode>): Likewise.
8312         (fcmp): Rename to fcmp and globalize pattern.
8313         (fcmpe): Likewise.
8314         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
8315         (aarch64_gen_ccmp_next): Add FP support.
8317 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
8319         * target.def (gen_ccmp_first): Update documentation.
8320         (gen_ccmp_next): Likewise.
8321         * doc/tm.texi (gen_ccmp_first): Update documentation.
8322         (gen_ccmp_next): Likewise.
8323         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
8324         expand_ccmp_expr_1.  Improve comments.
8325         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
8326         (ccmp_ior<mode>): Remove pattern.
8327         (cmp<mode>): Remove expand.
8328         (cmp): Globalize pattern.
8329         (cstorecc4): Use cc_register.
8330         (mov<mode>cc): Remove ccmp_cc_register check.
8331         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
8332         Simplify after removal of CC_DNE/* modes.
8333         (aarch64_ccmp_mode_to_code): Remove.
8334         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
8335         In 'k' case use integer as condition.
8336         (aarch64_nzcv_codes): Remove inverted cases.
8337         (aarch64_code_to_ccmode): Remove.
8338         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
8339         comparison with CC register to be used in folowing CCMP/branch/CSEL.
8340         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
8341         pattern.  Return the comparison with CC register.  Invert conditions
8342         when bitcode is OR.
8343         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
8344         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
8346 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8348         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
8349         instrumented_version.
8351 2016-01-19  Richard Biener  <rguenther@suse.de>
8353         PR tree-optimization/69336
8354         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
8355         handled components with get_ref_base_and_extent.
8356         (equal_mem_array_ref_p): Adjust.
8358 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
8360         PR debug/65779
8361         * shrink-wrap.c: Include valtrack.h.
8362         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
8363         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
8364         in between insn and where it will be moved to.  Call
8365         dead_debug_insert_temp.
8366         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
8367         first and dead_debug_local_finish at the end.
8368         For uses and defs bitmap, handle all regs in between REGNO and
8369         END_REGNO, not just the first one.
8371 2016-01-19  Richard Biener  <rguenther@suse.de>
8373         PR tree-optimization/69352
8374         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
8375         (equal_mem_array_ref_p): Constrain size and max size properly.
8376         Compare the reverse flag.
8378 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
8380         * ira.c (ira): Update regstat data if we deleted insns.
8382 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
8384         PR rtl-optimization/68955
8385         PR rtl-optimization/64557
8386         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
8387         here.  Fix up formatting.
8388         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
8390 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8392         PR lto/69133
8393         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
8394         assume that the node has body.
8395         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
8396         check.
8398 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8400         * lto-streamer-out.c (lto_output): Do not stream instrumentation
8401         thunks.
8403 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
8405         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
8406         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
8408 2016-01-19  Martin Jambor  <mjambor@suse.cz>
8409             Martin Liska  <mliska@suse.cz>
8410             Michael Matz  <matz@suse.de>
8412         * Makefile.in (OBJS): Add new source files.
8413         (GTFILES): Add hsa.c.
8414         * common.opt (disable_hsa): New variable.
8415         (-Whsa): New warning.
8416         * config.in (ENABLE_HSA): New.
8417         * configure.ac: Treat hsa differently from other accelerators.
8418         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
8419         $enable_offloading.
8420         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
8421         * doc/install.texi (Configuration): Document --with-hsa-runtime,
8422         --with-hsa-runtime-include, --with-hsa-runtime-lib and
8423         --with-hsa-kmt-lib.
8424         * doc/invoke.texi (-Whsa): Document.
8425         (hsa-gen-debug-stores): Likewise.
8426         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
8427         to invoke offload compiler for hsa acclerator.
8428         * opts.c (common_handle_option): Determine whether HSA offloading
8429         should be performed.
8430         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
8431         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
8432         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
8433         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
8434         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
8435         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
8436         GF_OMP_FOR_KIND_GRID_LOOP.
8437         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
8438         (pp_gimple_stmt_1): Likewise.
8439         * gimple-walk.c (walk_gimple_stmt): Likewise.
8440         * gimple.c (gimple_build_omp_grid_body): New function.
8441         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
8442         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
8443         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
8444         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
8445         GF_OMP_TEAMS_GRID_PHONY.
8446         (gimple_statement_omp_single_layout): Updated comments.
8447         (gimple_build_omp_grid_body): New function.
8448         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
8449         (gimple_omp_for_grid_phony): New function.
8450         (gimple_omp_for_set_grid_phony): Likewise.
8451         (gimple_omp_parallel_grid_phony): Likewise.
8452         (gimple_omp_parallel_set_grid_phony): Likewise.
8453         (gimple_omp_teams_grid_phony): Likewise.
8454         (gimple_omp_teams_set_grid_phony): Likewise.
8455         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
8456         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
8457         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
8458         (BUILT_IN_GOMP_TARGET): Updated type.
8459         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
8460         (adjust_for_condition): New function.
8461         (get_omp_for_step_from_incr): Likewise.
8462         (extract_omp_for_data): Moved parts to adjust_for_condition and
8463         get_omp_for_step_from_incr.
8464         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
8465         (fixup_child_record_type): Bail out if receiver_decl is NULL.
8466         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
8467         (scan_omp_parallel): Do not create child functions for phony
8468         constructs.
8469         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
8470         (scan_omp_1_op): Checking assert we are not remapping to
8471         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
8472         (parallel_needs_hsa_kernel_p): New function.
8473         (expand_parallel_call): Register apprpriate parallel child
8474         functions as HSA kernels.
8475         (grid_launch_attributes_trees): New type.
8476         (grid_attr_trees): New variable.
8477         (grid_create_kernel_launch_attr_types): New function.
8478         (grid_insert_store_range_dim): Likewise.
8479         (grid_get_kernel_launch_attributes): Likewise.
8480         (get_target_argument_identifier_1): Likewise.
8481         (get_target_argument_identifier): Likewise.
8482         (get_target_argument_value): Likewise.
8483         (push_target_argument_according_to_value): Likewise.
8484         (get_target_arguments): Likewise.
8485         (expand_omp_target): Call get_target_arguments instead of looking
8486         up for teams and thread limit.
8487         (grid_expand_omp_for_loop): New function.
8488         (grid_arg_decl_map): New type.
8489         (grid_remap_kernel_arg_accesses): New function.
8490         (grid_expand_target_kernel_body): New function.
8491         (expand_omp): Call it.
8492         (lower_omp_for): Do not emit phony constructs.
8493         (lower_omp_taskreg): Do not emit phony constructs but create for them
8494         a temporary variable receiver_decl.
8495         (lower_omp_taskreg): Do not emit phony constructs.
8496         (lower_omp_teams): Likewise.
8497         (lower_omp_grid_body): New function.
8498         (lower_omp_1): Call it.
8499         (grid_reg_assignment_to_local_var_p): New function.
8500         (grid_seq_only_contains_local_assignments): Likewise.
8501         (grid_find_single_omp_among_assignments_1): Likewise.
8502         (grid_find_single_omp_among_assignments): Likewise.
8503         (grid_find_ungridifiable_statement): Likewise.
8504         (grid_target_follows_gridifiable_pattern): Likewise.
8505         (grid_remap_prebody_decls): Likewise.
8506         (grid_copy_leading_local_assignments): Likewise.
8507         (grid_process_kernel_body_copy): Likewise.
8508         (grid_attempt_target_gridification): Likewise.
8509         (grid_gridify_all_targets_stmt): Likewise.
8510         (grid_gridify_all_targets): Likewise.
8511         (execute_lower_omp): Call grid_gridify_all_targets.
8512         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
8513         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
8514         (tree_omp_clause): Added union field dimension.
8515         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
8516         * tree.c (omp_clause_num_ops): Added number of arguments of
8517         OMP_CLAUSE__GRIDDIM_.
8518         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
8519         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
8520         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
8521         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
8522         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
8523         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
8524         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
8525         * tree-pass.h (make_pass_gen_hsail): Declare.
8526         (make_pass_ipa_hsa): Likewise.
8527         * ipa-hsa.c: New file.
8528         * lto-section-in.c (lto_section_name): Add hsa section name.
8529         * lto-streamer.h (lto_section_type): Add hsa section.
8530         * timevar.def (TV_IPA_HSA): New.
8531         * hsa-brig-format.h: New file.
8532         * hsa-brig.c: New file.
8533         * hsa-dump.c: Likewise.
8534         * hsa-gen.c: Likewise.
8535         * hsa.c: Likewise.
8536         * hsa.h: Likewise.
8537         * toplev.c (compile_file): Call hsa_output_brig.
8538         * hsa-regalloc.c: New file.
8540 2016-01-18  Jeff Law  <law@redhat.com>
8542         PR tree-optimization/69320
8543         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
8544         ranged object, do nothing if the RHS constant is not [0..1].
8545         (optimize_stmt): Comparing a boolean ranged object against a
8546         constant outside [0..1] results in a compile-time constant.
8548         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
8549         test.
8551 2016-01-18  Sandra Loosemore  <sandra@codesourcery.com>
8553         * doc/invoke.texi (Invoking GCC): Add new section to menu.
8554         (Option Summary): Update to reflect new section and moved options.
8555         (C++ Dialect Options): Move -fstats to new section.
8556         (Debugging Options): Move all dump, statistics, and other GCC
8557         developer options to new section.  Rewrite section introduction
8558         and re-order remaining options to put the more basic ones first.
8559         (Optimization Options): Move -fira-verbose and -flto-report* to
8560         new section.
8561         (Developer Options): New section incorporating moved options.
8562         * doc/cppopts.texi (-dM): Update cross-reference.
8564 2016-01-18  Richard Henderson  <rth@redhat.com>
8566         PR target/69176
8567         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
8568         operands to pseudo only if CSE is expected.  Split long immediate
8569         operands only after reload, and for the stack pointer.
8570         (*add<GPI>3_pluslong): Remove.
8571         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
8572         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
8573         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
8574         (*add<GPI>3 peepholes): New.
8575         (*add<GPI>3 splitters): New.
8576         * config/aarch64/constraints.md (Upl): New.
8577         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
8579 2016-01-18  Richard Biener  <rguenther@suse.de>
8581         PR tree-optimization/69297
8582         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
8583         stmt at most once.
8584         (vect_bb_vectorization_profitable_p): Clear visited flag again.
8586 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
8588         PR middle-end/68542
8589         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
8590         of mixind vector and scalar types.
8591         (fold_relational_const): Add handling of vector
8592         comparison with boolean result.
8593         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
8594         comparison of vector operands with boolean result for EQ/NE only.
8595         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
8596         (verify_gimple_cond): Likewise.
8597         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
8598         valid type of VAL.
8600 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
8602         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
8603         !TARGET_OCTEON.
8605 2016-01-18  Richard Biener  <rguenther@suse.de>
8607         PR middle-end/69308
8608         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
8610 2016-01-18  Tom de Vries  <tom@codesourcery.com>
8612         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
8614 2016-01-18  Tom de Vries  <tom@codesourcery.com>
8616         * omp-low.c (set_oacc_fn_attrib): Make extern.
8617         * omp-low.h (set_oacc_fn_attrib): Declare.
8618         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
8619         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
8620         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
8621         Add and handle function parameter oacc_kernels_p.
8622         (find_reduc_addr, get_omp_data_i_param): New function.
8623         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
8624         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
8625         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
8626         Calculate dominance info.  Skip loops that are not in a kernels region
8627         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
8628         (pass_parallelize_loops::execute): Call parallelize_loops with
8629         oacc_kernels_p argument.
8630         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
8631         New member function.
8632         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
8633         * passes.def: Add argument to pass_parallelize_loops instantation.
8635 2016-01-18  Tom de Vries  <tom@codesourcery.com>
8637         * tree-parloops.c (pass_parallelize_loops::execute): Allow
8638         pass_parallelize_loops to be run outside the loop pipeline.
8640 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
8642         * tree-scalar-evolution.c (follow_copies_to_constant): New.
8643         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
8645 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
8647         PR target/63679
8648         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
8649         using get_ref_base_and_extent.
8650         (equal_mem_array_ref_p): New.
8651         (hashable_expr_equal_p): Add call to previous.
8653 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
8655         PR target/63679
8656         * tree-sra.c (disqualified_constants, constant_decl_p): New.
8657         (sra_initialize): Allocate disqualified_constants.
8658         (sra_deinitialize): Free disqualified_constants.
8659         (disqualify_candidate): Update disqualified_constants when appropriate.
8660         (create_access): Scan for constant-pool entries as we go along.
8661         (scalarizable_type_p): Add check against type_contains_placeholder_p.
8662         (maybe_add_sra_candidate): Allow constant-pool entries.
8663         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
8664         (initialize_constant_pool_replacements): New.
8665         (sra_modify_assign): Avoid mangling assignments created by previous,
8666         and don't generate writes into constant pool.
8667         (sra_modify_function_body): Call initialize_constant_pool_replacements.
8669 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
8671         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
8672         andnot instruction.
8673         (scalar_chain::convert_op): Likewise.
8674         * config/i386/i386.md (*andndi3_doubleword): New.
8676 2016-01-18  Richard Biener  <rguenther@suse.de>
8678         PR tree-optimization/69170
8679         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
8680         building a vector from scalar results of a pattern stmt.
8682 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
8684         * haifa-sched.c (autopref_multipass_init): Work around
8685         -Wmaybe-uninitialized warning.
8687 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8689         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
8690         against the constant 0.
8692 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8694         PR tree-optimization/68799
8695         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
8696         look up phi candidates in the statement-candidate map.
8697         (phi_add_costs): Likewise.
8698         (record_phi_increments): Likewise.
8699         (phi_incr_cost): Likewise.
8700         (ncd_with_phi): Likewise.
8701         (all_phi_incrs_profitable): Likewise.
8703 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
8705         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
8706         -Wmaybe-uninitialized warning.
8708 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
8710         * doc/invoke.texi (Invoking GCC): Add new section to menu.
8711         (Option Summary): Update to reflect new section and moved options.
8712         (C++ Dialect Options): Move -fvtable-verify and related options.
8713         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
8714         and profiling-related options.
8715         (Optimization Options): Move profile generation options and
8716         -fstack-protector and related options.
8717         (Instrumentation Options): New section incorporating moved options.
8718         (Code Generation Options): Move -finstrument-functions and
8719         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
8721 2016-01-16  Tom de Vries  <tom@codesourcery.com>
8723         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
8725 2016-01-16  Tom de Vries  <tom@codesourcery.com>
8727         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
8729 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
8731         * hash-table.h (hash_table::empty): Turn into an inline wrapper
8732         that checks whether the table is already empty.  Rename the
8733         original implementation to...
8734         (hash_table::empty_slot): ...this new private function.
8736 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
8738         PR diagnostic/68899
8739         * diagnostic-show-locus.c (layout::print_source_line): Move x
8740         offset of line until after call to
8741         get_line_width_without_trailing_whitespace.
8743 2016-01-15  Jeff Law  <law@redhat.com>
8745         PR tree-optimization/69270
8746         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
8747         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
8748         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
8749         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
8750         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
8751         ssa_name_has_boolean_range and constant_boolean_node.
8753 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
8755         PR rtl-optimization/69030
8756         * lra-spills.c (remove_pseudos): Check nrefs and make the function
8757         returning bool.
8758         (spill_pseudos): Delete debug insn for dead pseudo.
8759         (lra_spill): Initiate spill_hard_reg and slots memory separately.
8761 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
8763         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
8764         New.
8765         (TYPES_UNOPUS): Likewise.
8766         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
8767         builtin type, from UNOP to UNOPUS.
8768         (lbtruncuv4sf): Likewise.
8769         (lbtruncuv2df): Likewise.
8770         (lrounduv2sf): Likewise.
8771         (lrounduv4sf): Likewise.
8772         (lrounduv2df): Likewise.
8773         (lroundusf): Likewise.
8774         (lroundusf): Likewise.
8775         (lceiluv2sf): Likewise.
8776         (lceiluv4sf): Likewise.
8777         (lceiluv2df): Likewise.
8778         (lceilusf): Likewise.
8779         (lceiludf): Likewise.
8780         (lflooruv2sf): Likewise.
8781         (lflooruv4sf): Likewise.
8782         (lflooruv2df): Likewise.
8783         (lfloorusf): Likewise.
8784         (lfloorudf): Likewise.
8785         (lfrintnuv2sf): Likewise.
8786         (lfrintnuv4sf): Likewise.
8787         (lfrintnuv2df): Likewise.
8788         (lfrintnusf): Likewise.
8789         (lfrintnudf): Likewise.
8790         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
8791         conversion.
8792         (vcvtq_u32_f32): Likewise.
8793         (vcvtq_u64_f64): Likewise.
8794         (vcvta_u32_f32): Likewise.
8795         (vcvtaq_u32_f32): Likewise.
8796         (vcvtaq_u64_f64): Likewise.
8797         (vcvtm_u32_f32): Likewise.
8798         (vcvtmq_u32_f32): Likewise.
8799         (vcvtmq_u64_f64): Likewise.
8800         (vcvtn_u32_f32): Likwise.
8801         (vcvtnq_u32_f32): Likewise.
8802         (vcvtnq_u64_f64): Likewise.
8803         (vcvtp_u32_f32): Likewise.
8804         (vcvtpq_u32_f32): Likewise.
8805         (vcvtpq_u64_f64): Likewise.
8806         (vcvtmd_u64_f64): Likewise.
8807         (vcvtms_u32_f32): Likewise.
8808         (vcvtad_u64_f64): Likewise.
8809         (vcvtas_u32_f32): Likewise.
8810         (vcvtnd_u64_f64): Likewise.
8811         (vcvtns_u32_f32): Likewise.
8812         (vcvtpd_u64_f64): Likewise.
8813         (vcvtps_u32_f32): Likewise.
8815 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8817         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
8818         CSEL of zero_extended registers.
8820 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8822         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
8823         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
8825 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8827         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
8828         false when argument string is not found in the attributes table
8829         at all.
8831 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
8833         PR target/68609
8834         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
8835         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
8836         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
8837         precision estimate.
8839 2016-01-15  Richard Biener  <rguenther@suse.de>
8841         PR tree-optimization/66856
8842         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
8843         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
8844         (vect_create_new_slp_node): Increment stmt reference count.
8845         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
8846         an SLP tree before swapping operands.
8847         (vect_build_slp_tree): Likewise.
8848         (destroy_bb_vec_info): Free stmt info after SLP instances.
8849         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
8850         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
8851         (STMT_VINFO_NUM_SLP_USES): New macro.
8853 2016-01-15  Richard Biener  <rguenther@suse.de>
8855         PR debug/69137
8856         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
8857         (add_linkage_name): ... here.
8858         (gen_typedef_die): Use add_linkage_name_raw instead of
8859         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
8860         if necessary.
8862 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
8864         * gimplify.c (oacc_default_clause): Decode reference and pointer
8865         types for both kernels and parallel regions.
8867 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
8869         PR middle-end/69246
8870         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
8872 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
8874         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
8875         (convert_scalars_to_vector): Likewise.
8877 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
8879         * doc/extend.texi (Type Traits): Fix grammar.
8881 2016-01-15  Martin Jambor  <mjambor@suse.cz>
8883         * tree-inline.c (remap_decl): Use existing dclarations if
8884         remapping a type and prevent_decl_creation_for_types.
8885         (replace_locals_stmt): Do an initial remapping of non-VLA typed
8886         decls first.  Do real remapping with
8887         prevent_decl_creation_for_types set.
8888         * tree-inline.h (copy_body_data): New field
8889         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
8890         padding.
8892 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8894         * config/s390/s390.opt (mmvcle): More verbose help text.
8896 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
8898         * config/s390/s390.opt: Add period to -mzvector option text.
8900 2016-01-15  Richard Biener  <rguenther@suse.de>
8902         PR tree-optimization/68961
8903         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
8904         of invariants in stores again.
8906 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8908         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
8910 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
8912         * config/i386/i386.c (ix86_expand_branch): Don't split
8913         DI mode xor instruction to SI mode.
8915 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
8917         PR ipa/68148
8918         * ipa-icf.c (sem_function::merge): Virtual functions may become
8919         reachable even if they address is not taken and there are no
8920         idrect calls.
8922 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
8924         * lto-streamer-out.c (subtract_estimated_size): New function.
8925         (get_symbol_initial_value): Use it.
8927 2016-01-15  Christian Bruel  <christian.bruel@st.com>
8929         PR target/65837
8930         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
8931         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
8932         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
8933         use add_builtin_function_ext_scope instead of add_builtin_function.
8934         (neon_set_p, neon_crypto_set_p): Remove.
8935         (arm_init_builtins): Always call arm_init_neon_builtins and
8936         arm_init_crypto_builtins.
8937         (arm_expand_builtin): Check that builtins are allowed for the arch.
8938         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
8939         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
8940         arm_init_neon_builtins call.
8942 2016-01-15  Richard Biener  <rguenther@suse.de>
8944         PR tree-optimization/69117
8945         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
8946         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
8947         of the leader conservatively.
8948         (free_scc_vn): Restore original SSA name infos.
8950 2016-01-14  Jeff Law  <law@redhat.com>
8952         PR tree-optimization/69270
8953         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
8954         single bit of precision, verify it's also unsigned.
8955         (record_edge_info): Use constant_boolean_node rather than fold_convert
8956         to convert boolean_true/boolean_false to the right type.
8958 2016-01-14  Richard Henderson  <rth@redhat.com>
8960         PR rtl-opt/69014
8961         * loop-doloop.c (record_reg_sets): New.
8962         (doloop_optimize): Reject the transform if the sequence
8963         clobbers registers live at the end of the loop block.
8964         (doloop_optimize_loops): Enable df_live if needed.
8966 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
8968         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
8969         * gcc/config/rs6000/rs6000.c: Likewise.
8970         * gcc/config/rs6000/rs6000.h: Likewise.
8971         * gcc/config/rs6000/rs6000.md: Likewise.
8972         * gcc/doc/extend.texi: Likewsie.
8974 2016-01-14  Jeff Law  <law@redhat.com>
8976         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
8977         typo.
8979 2016-01-14  Richard Henderson  <rth@redhat.com>
8981         PR c/69272
8982         PR tree-opt/68964
8983         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
8984         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
8985         instead of builtin_decl_declared_p to test for declaration.
8987 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
8989         * doc/loop.texi (Loop Analysis and Representation): Document
8990         loop_depth function.
8992 2016-01-14  Tom de Vries  <tom@codesourcery.com>
8994         PR tree-optimization/68773
8995         * omp-low.c (expand_omp_target): Don't set force_output.
8996         * varpool.c (varpool_node::get_create): Same.
8997         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
8998         offload_funcs with force_output.
9000 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
9002         PR debug/69244
9003         * lra-eliminations.c (move_plus_up): Don't change anything if either
9004         the outer or inner subreg mode is not MODE_INT.
9005         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
9006         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
9008 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
9010         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
9011         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
9012         reduc_uplus_@var{m}): Remove.
9013         * expr.c (expand_expr_real_2): Remove expansion path for
9014         reduc_[us](min|max|plus) optabs.
9015         * optabs-tree.c (scalar_reduc_to_vector): Remove.
9016         * optabs-tree.h (scalar_reduc_to_vector): Remove.
9017         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
9018         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
9019         * tree-vect-loop.c (vectorizable_reduction): Remove test for
9020         reduc_[us](min|max|plus) optabs.
9022 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
9024         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
9025         (reduc_plus_scal_v2sf): New.
9026         (reduc_smax_v2sf): Rename to...
9027         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
9028         (reduc_smin_v2sf): Rename to...
9029         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
9031 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
9033         * alias.c (compare_base_symbol_refs): New function.
9034         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
9035         it.
9037 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
9039         PR middle-end/68146
9040         PR tree-optimization/69155
9041         * tree-complex.c: Include cfganal.h.
9042         (phis_to_revisit): New variable.
9043         (extract_component): Add phiarg_p argument.  Assert that returned
9044         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
9045         (update_phi_components): Partly rewrite to use loop over real/imag
9046         components instead of code duplication.  If extract_component returns
9047         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
9048         create_tmp_reg into the PHI node instead, and mention the phi triplet
9049         in phis_to_revisit.
9050         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
9051         in phis_to_revisit at the end.
9053 2016-01-14  Richard Biener  <rguenther@suse.de>
9055         PR tree-optimization/68060
9056         * tree-vect-loop.c (vect_is_simple_reduction): Check the
9057         outer loop reduction is only used in the inner loop before
9058         detecting a double reduction.
9060 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
9062         PR target/68269
9063         * combine.c (expand_field_assignment): Punt if compute_mode is
9064         unsupported scalar mode.
9066 2016-01-14  Richard Biener  <rguenther@suse.de>
9068         PR tree-optimization/66856
9069         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
9070         SLP node only if it built successfully.
9071         (vect_analyze_slp_instance): Adjust.
9073 2016-01-14  Jeff Law  <law@redhat.com>
9075         PR tree-optimization/69270
9076         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
9077         (record_edge_info): Use it.  Convert boolean_{true,false}_node
9078         to the type of op0.
9080 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
9082         PR ipa/66487
9083         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
9084         use block_ultimate_origin
9085         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
9087 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
9089         * doc/invoke.texi (Submodel Options): Rename section to
9090         "Machine-Dependent Options" to better reflect its content.
9091         Rewrite introductory text to remove archaic CPU names.
9092         Update references.
9094 2016-01-13  Sandra Loosemore  <sandra@codesourcery.com>
9096         * doc/invoke.texi (Code Gen Options): Move section up in file,
9097         before target-specific options.  Update menu and option summary
9098         to reflect the new section ordering.
9100 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
9102         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
9103         (C++ Dialect Options): Add cross-reference to -std option.
9104         * doc/standards.texi (C++ Language): Document C++14 support.
9106 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
9108         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
9109         for pack/unpack functions for __ibm128.
9110         (PACK_IF): Likewise.
9111         (UNPACK_IF): Likewise.
9113         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
9114         support for __ibm128 pack/unpack functions.
9115         (rs6000_invalid_builtin): Likewise.
9116         (rs6000_init_builtins): Likewise.
9117         (rs6000_opt_masks): Likewise.
9119         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
9120         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
9121         functions
9122         (RS6000_BTM_COMMON): Likewise.
9124         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
9125         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
9126         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
9127         128-bit floating point.  Add support for the double values to be
9128         in Altivec registers for TF/IF packing and unpacking, but restrict
9129         TD packing sub-fields to be FPR registers.  Don't allow overlapped
9130         register support for packing.  Allow pack inputs to be memory
9131         locations.  Don't build generator functions for unpack<mode>_dm
9132         and unpack<mode>_nodm.
9133         (unpack<mode>_dm): Likewise.
9134         (unpack<mode>_nodm): Likewise.
9135         (pack<mode>): Likewise.
9137         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
9138         built-in functions to pack/unpack explicit __ibm128 values.
9139         (__builtin_unpack_ibm128): Likewise.
9141         * doc/extend.texi (PowerPC Built-in Functions): Document
9142         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
9144 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
9146         PR c/66208
9147         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
9148         Add new arg loc and pass it down as context.
9149         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
9150         to the location to use for the warning.
9151         (check_function_arguments): New arg loc.  All callers changed.  Pass
9152         it to check_function_nonnull.
9153         * c-common.h (check_function_arguments): Adjust declaration.
9155 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
9157         PR tree-optimization/69156
9158         * gimple.c (validate_type): Removed.
9159         (gimple_builtin_call_types_compatible_p): Use
9160         useless_type_conversion_p instead of validate_type.
9161         * value-prof.c (gimple_stringop_fixed_value): Fold
9162         icall_size to correct type.
9164 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
9166         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
9167         effects.
9169 2016-01-13  Richard Henderson  <rth@redhat.com>
9171         PR tree-opt/68964
9172         * target.def (builtin_tm_load, builtin_tm_store): Remove.
9173         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
9174         (ix86_builtin_tm_store): Remove.
9175         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
9176         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
9177         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
9178         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
9179         * doc/tm.texi: Rebuild.
9181         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
9182         (BUILT_IN_TM_MEMCPY_RTWN): New.
9183         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
9184         fallback from vector to integer helpers.
9185         (build_tm_load): Handle vector types directly, instead of
9186         via target hook.
9187         (build_tm_store): Likewise.
9188         (expand_assign_tm): Prepare for register types not handled by
9189         the above.  Copy them to memory and use memcpy.
9190         * tree.c (tm_define_builtin): New.
9191         (find_tm_vector_type): New.
9192         (build_tm_vector_builtins): New.
9193         (build_common_builtin_nodes): Call it.
9195 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
9197         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
9198         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
9200 2016-01-13  Tom de Vries  <tom@codesourcery.com>
9202         PR tree-optimization/69169
9203         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
9204         handled_struct_type param.
9205         (create_variable_info_for, intra_create_variable_infos): Call
9206         create_variable_info_for_1 with extra arg.
9208 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
9210         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
9211         and "armv8.1-a+crc" entries.
9213 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
9215         PR target/69228
9216         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
9217         Change first operand predicate from register_or_constm1_operand
9218         to register_operand.
9219         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
9220         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
9221         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
9222         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
9223         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
9224         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
9225         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
9226         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
9227         comparison with constm1_rtx from vec_prefetch_gen part.
9229 2016-01-13  Richard Biener  <rguenther@suse.de>
9231         PR tree-optimization/69013
9232         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
9233         Exchange assert for a test.
9235 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
9237         PR target/69247
9238         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
9240 2016-01-13  Richard Biener  <rguenther@suse.de>
9242         PR tree-optimization/69242
9243         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
9244         assert with a check.
9246 2016-01-13  Richard Biener  <rguenther@suse.de>
9248         PR tree-optimization/69186
9249         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
9250         Properly guard vect_update_misalignment_for_peel call.
9252 2016-01-12  Jeff Law  <law@redhat.com>
9254         PR tree-optimization/pr67755
9255         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
9256         "need_profile_correction".
9257         (thread_block_1): Initialize new field to false by default.  If we
9258         have multiple thread paths through a common joiner to different
9259         final targets, then set new field to true.
9260         (compute_path_counts): Only do count adjustment when it's really
9261         needed.
9263 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
9265         * doc/invoke.texi (Spec Files): Move section down in file, past
9266         all command-line option descriptions.
9268 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
9270         PR middle-end/54809
9271         * doc/gty.texi: Remove documentation of mark_hook.
9272         * gengtype.c (struct write_types_data): Remove code to support
9273         mark_hook attribute.
9274         (walk_type): Likewise.
9275         (write_func_for_structure): Likewise.
9277 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
9279         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
9280         Directory Options, and -specs= to Overall Options.
9281         (Overall Options): Adjust similarly.  Reorder to group related
9282         options together.  Make -specs= cross-reference the spec file details.
9283         (Directory Options): Adjust similarly.
9285 2016-01-12  Jeff Law  <law@redhat.com>
9287         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
9289 2016-01-12  Olivier Hainque  <hainque@adacore.com>
9291         * gcc.c (spec_undefvar_allowed): New global.
9292         (process_command): Set to true when running for --version or --help,
9293         alone or together.
9294         (getenv_spec_function): When the variable is not defined, use the
9295         variable name as the variable value if we're allowed not to issue
9296         a fatal error.
9298 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
9300         PR tree-optimization/68911
9301         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
9302         information computed for expression "init + nit * step".
9304 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
9306         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
9307         about name of GCC executable.  Remove deleted node from menu.
9308         (Directory Options) <-B>: Remove cross-reference to deleted node.
9309         (Target Options): Delete section.
9311 2016-01-12  Christian Bruel  <christian.bruel@st.com>
9313         PR target/69180
9314         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
9315         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
9317 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
9319         PR target/69198
9320         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
9321         aligned_mem is properly set for AVX512-VL floating point masked
9322         stores.
9324         PR target/69175
9325         * ifcvt.c (cond_exec_process_if_block): When removing the last
9326         insn from then_bb, remove also any possible barriers that follow it.
9328 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
9330         PR target/68456
9331         PR target/69226
9332         * config/i386/iamcu.h (SIZE_TYPE): New macro.
9333         (PTRDIFF_TYPE): Likewise.
9334         (WCHAR_TYPE): Likewise.
9335         (WCHAR_TYPE_SIZE): Likewise.
9336         (STDINT_LONG32): Likewise.
9338 2016-01-12  Richard Biener  <rguenther@suse.de>
9340         PR tree-optimization/69053
9341         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
9342         convert initial value for cond reductions.
9344 2016-01-12  Richard Biener  <rguenther@suse.de>
9346         PR tree-optimization/69007
9347         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
9348         widen_sum after dot_prod and sad.
9350 2016-01-12  Richard Biener  <rguenther@suse.de>
9352         PR tree-optimization/69168
9353         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
9354         pattern stmt SLP type.
9355         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
9356         end up unused so cope with that case.
9358 2016-01-12  Richard Biener  <rguenther@suse.de>
9360         PR tree-optimization/69157
9361         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
9362         stmts def type only during analyze phase.
9363         (vectorizable_call): Likewise.
9364         (vectorizable_simd_clone_call): Likewise.
9365         (vectorizable_conversion): Likewise.
9366         (vectorizable_assignment): Likewise.
9367         (vectorizable_shift): Likewise.
9368         (vectorizable_operation): Likewise.
9369         (vectorizable_store): Likewise.
9370         (vectorizable_load): Likewise.
9372 2016-01-12  Richard Biener  <rguenther@suse.de>
9374         PR tree-optimization/69174
9375         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
9376         space.
9377         (vectorizable_load): Properly compute the number of loads needed
9378         for permuted strided SLP loads and do not spuriously assign
9379         to SLP_TREE_VEC_STMTS.
9381 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
9383         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
9384         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
9385         (MD_EXEC_PREFIX): Remove.
9386         (MD_STARTFILE_PREFIX) Removee.
9387         (FILE_NAME_ABSOLUTE_P): Remove.
9388         (CPP_SPEC): Do not read macros from sys/version.h.
9389         (LINK_COMMAND_SPEC): Remove.
9390         (LOCAL_INCLUDE_DIR): Remove.
9391         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
9392         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
9393         (POST_LINK_SPEC): Define to invoke stubify after linker
9394         (LIBSTDCXX): Remove define
9395         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
9396         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
9397         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
9398         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
9399         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
9400         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
9401         (i386_djgpp_asm_named_section): Add propotype of new procedure
9403         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
9404         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
9405         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
9406         in config/i386/djgpp.h).
9407         (STANDARD_STARTFILE_PREFIX_2): Define identical to
9408         STANDARD_STARTFILE_PREFIX_1.
9409         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
9410         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
9411         installation errors.
9412         (MAX_OFILE_ALIGNMENT): Define to 128.
9413         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
9415         * config/i386/djgpp.c: New file. Add implementation of
9416         i386_djgpp_asm_named_section.
9418         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
9420         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
9421         Add rule for building djgpp.o.
9423 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9425         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
9426         (rtx_is_swappable_p): Reductions are swappable.
9427         (insn_is_swappable_p): V2DF reductions are swappable.
9429 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
9431         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
9432         reloads for other unsupported memory operands.
9434 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
9435             Jim Wilson  <jim.wilson@linaro.org>
9437         PR target/69194
9438         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
9439         copy_to_mode_reg instead of force_reg.
9441 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
9443         PR target/69225
9444         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
9445         TARGET_80387 is true.
9447 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
9449         PR target/69071
9450         * lra-eliminations.c (move_plus_up): Only move plus up
9451         if subreg of the constant can be simplified into constant
9452         and use the simplified subreg of the constant instead of
9453         the original constant.
9455         * fold-const.c (fold_convertible_p): Don't return true
9456         for conversion of VECTOR_TYPE to same sized integral type.
9457         (fold_convert_loc): Fix up formatting.  Fold conversion of
9458         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
9459         instead of NOP_EXPR.
9461         PR tree-optimization/69214
9462         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
9463         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
9464         Formatting fix.
9466         PR tree-optimization/69207
9467         * tree-vect-slp.c (vect_get_constant_vectors): For
9468         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
9469         fold_convertible_p to vector_type's element type, and always
9470         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
9472 2016-01-11  Richard Biener  <rguenther@suse.de>
9474         PR tree-optimization/69173
9475         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
9476         fixup the cycle if all stmts are in a pattern.
9478 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
9480         PR middle-end/68999
9481         * alias.c (base_alias_check): Move check for addresses with
9482         alignment ANDs before the call for compare_base_decls.
9483         (memrefs_conflict_p): Return -1 for different decls
9484         that went through alignment adjustments.
9486 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9488         PR rtl-optimization/68796
9489         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
9490         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
9491         and QImode comparisons against zero with CC_NZmode.
9492         * config/aarch64/iterators.md (short_mask): New mode_attr.
9494 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
9496         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
9497         (<avx512>_store<mode>_mask): Likewise.
9499 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
9500             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9502         PR rtl-optimization/68841
9503         * ifcvt.c (struct noce_if_info): Add orig_x field.
9504         (bbs_ok_for_cmove_arith): Add to_rename parameter.
9505         Don't record conflicts on to_rename if it's present.
9506         Allow memory destinations in sets.
9507         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
9508         blocks, passing orig_x to the checks.
9509         (noce_process_if_block): Set if_info->orig_x appropriately.
9511 2016-01-11  Tom de Vries  <tom@codesourcery.com>
9513         PR tree-optimization/69069
9514         * tree-parloops.c (create_parallel_loop): Add missing phi args.
9516 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
9518         PR rtl-optimization/68920
9519         * config/i386/i386.c (ix86_option_override_internal): Restrict number
9520         of conditional moves for  RTL if-conversion to 1 for
9521         TARGET_ONE_IF_CONV_INSN.
9522         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
9523         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
9524         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
9525         parameter to restirct number of conditional moves for
9526         RTL if-conversion.
9527         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
9528         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
9529         conditionl moves.
9531 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
9533         PR bootstrap/69123
9534         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
9535         onepart vars.  Fix typo in comment.  Fix reversed condition in
9536         unshare test.
9537         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
9539         PR bootstrap/69123
9540         * var-tracking.c (dump_onepart_variable_differences): New.
9541         (dataflow_set_different): If a detailed dump is requested,
9542         delay early returns and dump differences between onepart
9543         variables present before and after, and added variables.
9545 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
9547         PR target/69010
9548         * expr.c (expand_expr_real_1): For boolean vector constants
9549         with a scalar mode use const_scalar_mask_from_tree.
9550         (const_scalar_mask_from_tree): New.
9551         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
9552         assigned to a mask type to handle constants.
9554 2016-01-11  Martin Jambor  <mjambor@suse.cz>
9556         PR ipa/69044
9557         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
9558         useless parameters if we cannot change function signature.
9560 2016-01-11  Martin Jambor  <mjambor@suse.cz>
9562         PR ipa/66616
9563         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
9564         flag.
9566 2016-01-11  Tom de Vries  <tom@codesourcery.com>
9568         PR tree-optimization/69109
9569         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
9570         latch with phi.
9572 2016-01-11  Tom de Vries  <tom@codesourcery.com>
9574         PR tree-optimization/69108
9575         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
9576         res is not used in a phi.
9578 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
9580         PR 67425
9581         * common.opt (frandom-seed): Fix parameter name.
9582         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
9584 2016-01-11  Tom de Vries  <tom@codesourcery.com>
9586         PR tree-optimization/69058
9587         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
9588         not supported.
9590 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
9592         * config/arc/arc.opt (mdiv-rem): Add period to the end.
9593         (mcode-density): Likewise.
9595 2016-01-10  Tom de Vries  <tom@codesourcery.com>
9597         PR tree-optimization/69062
9598         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
9599         (parallelize_loops): Don't paralelize loop that has phi with address
9600         arg.
9602 2016-01-10  Tom de Vries  <tom@codesourcery.com>
9604         PR tree-optimization/69039
9605         * tree-parloops.c (try_create_reduction_list): Only allow single exit
9606         phi for reduction.
9608 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
9610         PR middle-end/68743
9611         * match.pd: Require target has function_c99_misc before doing
9612         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
9614 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
9616         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
9617         use GMPINC.
9618         * configure: Regenerate.
9620 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
9622         PR middle-end/50865
9623         PR tree-optimization/69097
9624         * fold-const.h (expr_not_equal_to): New prototype.
9625         * fold-const.c: Include stringpool.h and tree-ssanames.h.
9626         (expr_not_equal_to): New function.
9627         * match.pd (X % -Y is the same as X % Y): Don't optimize
9628         unless X is known not to be equal to minimum or Y is known
9629         not to be equal to -1.
9630         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
9631         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
9632         (simplify_stmt_using_ranges): Adjust caller.
9633         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
9634         substitute_and_fold.
9636 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
9638         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
9639         w/o DECL_NAME.
9641 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
9643         PR tree-optimization/69167
9644         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
9645         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
9646         ops[0] comparison.
9647         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
9649 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
9650             Richard Biener  <rguenther@suse.de>
9652         PR tree-optimization/68707
9653         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
9654         instances that can be handled via vect_load_lanes.
9656 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
9658         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
9659         if we can't determine address equivalence.
9660         * alias.c (compare_base_decl): Update for changed return value of
9661         symtab_node::equal_address_to.
9663 2016-01-08  Jason Merrill  <jason@redhat.com>
9665         PR c++/68983
9666         PR c++/67557
9667         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
9668         * expr.c (store_field): Not here.
9669         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
9670         call with TREE_ADDRESSABLE type.
9671         * tree-cfg.c (verify_gimple_call): Adjust.
9673 2016-01-08  Olivier Hainque  <hainque@adacore.com>
9675         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
9676         libc_internal.
9678 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
9680         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
9681         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
9682         (reduc_smin_v2sf): Rename to...
9683         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
9684         (reduc_splus_v2sf): Rename to...
9685         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
9687 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
9689         PR tree-optimization/69162
9690         * gimplify.c (gimplify_va_arg_expr): Encode original type of
9691         valist argument in another argument.
9692         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
9693         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
9694         to determine the va_list type, build a MEM_REF instead of
9695         build_fold_indirect_ref.
9697         PR tree-optimization/69172
9698         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
9699         gimple_build.
9701 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9703         PR tree-optimization/67781
9704         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
9705         and cmpnop in two steps: first the ones not accessed in original
9706         gimple expression in a endian independent way and then the ones not
9707         accessed in the final result in an endian-specific way.
9709 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
9711         PR tree-optimization/69083
9712         * tree-vect-slp.c (vect_get_constant_vectors): For
9713         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
9714         element type.  If op is fold_convertible_p to vector_type's element
9715         type, use NOP_EXPR instead of VCE.
9717 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
9719         PR rtl-optimization/67778
9720         PR rtl-optimization/68634
9721         PR rtl-optimization/68909
9722         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
9723         block from the stack until done with it.  Remove a superfluous
9724         bitmap set.  Remove a superfluous bitmap test.
9726 2016-01-07  Martin Sebor  <msebor@redhat.com>
9728         PR c/68966
9729         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
9730         constraint on the type of arguments.
9732 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
9734         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
9735         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
9736         unaligned_access on the gcc_options set.
9737         * config/arm/arm.c (arm_option_override_internal): Use
9738         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
9740 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
9742         PR target/69140
9743         * config/i386/i386.c (ix86_frame_pointer_required): Enable
9744         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
9746 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
9748         Revert
9749         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
9751         PR target/69140
9752         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9753         depending on frame_pointer_needed before remaining integer and SSE
9754         registers are saved.
9756 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
9758         PR 1078
9759         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
9761 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
9763         PR target/69171
9764         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
9765         Use the "xBm" constraint.
9766         (float<sseintvecmodelower><mode>2<mask_name><round_name):
9767         Likewise.
9768         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
9769         (sse_cvtsi2ssq<round_name>): Likewise.
9770         (sse_cvtss2si<round_name>): Likewise.
9771         (sse_cvtss2siq<round_name>): Likewise.
9772         (sse2_cvtsi2sdq<round_name>): Likewise.
9773         (sse2_cvtsd2si<round_name>): Likewise.
9774         (sse2_cvtsd2siq<round_name>): Likewise.
9775         * config/i386/subst.md (round_nimm_scalar_predicate): New
9776         predicate.
9778 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
9780         PR middle-end/67639
9781         * varasm.c (make_decl_rtl): Mark invalid register vars as
9782         DECL_EXTERNAL.
9784         PR rtl-optimization/66206
9785         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
9786         All callers changed.
9788 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
9790         PR tree-optimization/69141
9791         * tree-ssa-pre.c: Include langhooks.h.
9792         (eliminate_dom_walker::before_dom_children): Use
9793         lang_hooks.decl_printable_name instead of
9794         cgraph_node::get ()->name ().
9796         PR middle-end/68960
9797         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
9798         it and DECL_ALIGN too.
9800 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
9802         * config/mips/mips-ftypes.def: Sort to lexicographical order.
9804 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
9806         PR target/69140
9807         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
9808         depending on frame_pointer_needed before remaining integer and SSE
9809         registers are saved.
9811 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
9813         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
9814         mode iterator with VSX_M2.
9815         (*p9_vecstore_<mode>): Likewise.
9816         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
9817         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
9818         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
9819         (define_split for VSX_LE128 stores): Likewise.
9820         (define_peephole2 for TImode LE swaps): Likewise.
9821         (define_split for VSX_LE128 post-reload stores): Likewise.
9823 2016-01-06  Marek Polacek  <polacek@redhat.com>
9825         PR sanitizer/69099
9826         * convert.c (convert_to_integer_1): Adjust call to
9827         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
9828         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
9829         EXPR instead of ARG.
9830         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
9832 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
9834         PR 1078
9835         * doc/extend.texi (RL78 Variable Attributes): New section.
9837 2016-01-05  Marek Polacek  <polacek@redhat.com>
9839         PR c/69104
9840         * builtins.c (get_memmodel): Use expansion point location rather than
9841         the input location.  Call warning_at rather than warning.
9842         (expand_builtin_atomic_compare_exchange): Likewise.
9843         (expand_builtin_atomic_load): Likewise.
9844         (expand_builtin_atomic_store): Likewise.
9845         (expand_builtin_atomic_clear): Likewise.
9847 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
9849         PR target/68991
9850         * config/i386/i386.c (ix86_expand_vector_logical_operator):
9851         Replace nonimmediate_operand with vector_operand.
9852         * config/i386/predicates.md (vector_operand): New predicate.
9853         (general_vector_operand): Replace nonimmediate_operand with
9854         vector_operand.
9855         * config/i386/sse.md: Replace nonimmediate_operand with
9856         vector_operand and m constraint with Bm constraint on SSE
9857         patterns with 16-byte memory operand.
9858         * config/i386/subst.md (round_nimm_predicate): Replace
9859         nonimmediate_operand with vector_operand.
9860         (round_saeonly_nimm_predicate): Likewise.
9861         (round_saeonly_nimm_scalar_predicate): New.
9863 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
9865         PR target/68991
9866         * config/i386/constraints.md (Bm): New constraint.
9867         * config/i386/predicates.md (vector_memory_operand): New
9868         predicate.
9869         * config/i386/sse.md: Replace xm with xBm in plusminus and
9870         any_logic patterns.
9872 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
9874         PR 1078
9875         * doc/extend.texi (V850 Function Attributes): New section.
9876         (V850 Variable Attributes): New section.
9878 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
9880         PR 1078
9881         * doc/extend.texi (MicroBlaze Function Attributes): Document
9882         interrupt_handler and fast_interrupt attributes.
9884 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
9886         PR other/60465
9887         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
9888         for local symbolic operands.
9889         * config/ia64/predicates.md (local_symbolic_operand64): New
9890         predicate.
9892 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
9894         PR rtl-optimization/68651
9895         * combine.c (combine_simplify_rtx): Canonicalize x + x into
9896         x << 1.
9898 2016-01-05  Nathan Sidwell  <nathan@acm.org>
9900         * alias.c (compare_base_decls): Use symtab_node::get.
9902 2016-01-05  Nick Clifton  <nickc@redhat.com>
9904         PR target/68770
9905         * ira-costs.c (copy_cost): Initialise the t_icode field of the
9906         secondary_reload_info structure.
9908         PR target/66655
9909         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
9910         decls if weak support is available.
9912 2016-01-04  Martin Sebor  <msebor@redhat.com>
9914         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
9916 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
9918         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
9919         OPTION_MASK_P9_DFORM.
9921         * config/rs6000/constraints.md (wo constraint): New constraint for
9922         ISA 3.0 (power9).
9924         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
9925         for wo constraint.
9926         (rs6000_init_hard_regno_mode_ok): Likewise.
9928         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
9929         wo constraint.
9931         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
9932         expanders not to have constraints.  Add support for ISA 3.0 xxperm
9933         instruction.  Add support for fusing xxlor with xxperm.
9934         (altivec_vperm_<mode>_internal): Likewise.
9935         (altivec_vperm_v8hiv16qi): Likewise.
9936         (altivec_vperm_<mode>v16q): Likewise.
9937         (altivec_vperm_<mode>_uns): Likewise.
9938         (vperm_v8hiv4si): Likewise.
9939         (vperm_v16qiv8hi): Likewise.
9941         * doc/md.texi (RS/6000 constraints): Document wo constraint.
9943 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
9945         Update copyright years.
9947         * gcc.c (process_command): Update copyright notice dates.
9948         * gcov-dump.c (print_version): Ditto.
9949         * gcov.c (print_version): Ditto.
9950         * gcov-tool.c (print_version): Ditto.
9951         * gengtype.c (create_file): Ditto.
9952         * doc/cpp.texi: Bump @copying's copyright year.
9953         * doc/cppinternals.texi: Ditto.
9954         * doc/gcc.texi: Ditto.
9955         * doc/gccint.texi: Ditto.
9956         * doc/gcov.texi: Ditto.
9957         * doc/install.texi: Ditto.
9958         * doc/invoke.texi: Ditto.
9960 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
9962         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
9963         modes larger than TImode as TImode if NEON is not enabled.
9965 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
9967         PR target/69100
9968         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
9969         mode for %f0-%f31 only if TARGET_FPU.
9971 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
9973         PR target/69072
9974         * config/sparc/sparc.c (scan_record_type): Take into account subfields
9975         to compute the PACKED_P predicate.
9976         (function_arg_record_value): Minor tweaks.
9978 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9980         * doc/install.texi (--with-multilib-list): Describe the meaning of the
9981         option for arm*-*-* targets.
9983 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
9985         * doc/extend.texi (Common Function Attributes): Move docs for
9986         MSP430-specific attributes to....
9987         (MSP430 Function Attributes): ...here.  Delete the redundant
9988         entries and copy-edit the remaining text.
9989         (MSP430 Variable Attributes): Use uniform format for index
9990         entries and add a cross-reference to the corresponding function
9991         attribute docs.
9993 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
9995         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
9996         -finite-math typo.
9997         (x86 Options): Likewise.
9999 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
10001         PR 1078
10003         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
10004         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
10005         to corresponding attribute.
10007 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
10009         * doc/extend.texi (Common Function Attributes) <noplt>: Move
10010         to correct alphabetization of table.  Copy-edit and correct
10011         markup.
10012         <stack_protect>: Likewise.
10013         <target_clones>: Likewise.
10014         <simd>: Likewise.
10015         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
10016         Correct punctuation.
10017         (Code Gen Options) <-fno-plt>: Copy-edit.
10019 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
10021         PR target/68917
10022         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
10023         SI values.  Explicitly convert SI to DI and vice-versa.
10025 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
10027         PR tree-optimization/69070
10028         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
10029         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
10031         PR sanitizer/69055
10032         * ubsan.c (ubsan_instrument_float_cast): Call
10033         initialize_sanitizer_builtins.
10035         PR target/69015
10036         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
10038 Copyright (C) 2016 Free Software Foundation, Inc.
10040 Copying and distribution of this file, with or without modification,
10041 are permitted in any medium without royalty provided the copyright
10042 notice and this notice are preserved.