PR target/65604
[official-gcc.git] / gcc / ChangeLog
blob2450e4fca91bb28f0d567cd72c1edea9790efc9a
1 2016-01-29  Steve Ellcey  <sellcey@imgtec.com>
3         PR target/65604
4         * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.
6 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
8         PR target/69551
9         * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
10         SSE1, copy target into the temporary reg first before recursing
11         on it.
13 2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>
15         * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
16         with vm.
18 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
20         * ginclude/stdarg.h: Test __cplusplus instead of
21         __GXX_EXPERIMENTAL_CXX0X__.
23 2016-01-29  Richard Biener  <rguenther@suse.de>
25         PR tree-optimization/69547
26         * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
27         Do not mark clobbers necessary.
28         (mark_all_reaching_defs_necessary_1): Likewise.
30 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
32         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
33         declaration name with %qs and print it in both error messages.
34         Also fix indentation.
36 2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>
38         PR other/69006
39         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
40         trailing blank line from error message.
42 2016-01-29  Jonathan Wakely  <jwakely@redhat.com>
44         PR c++/69462
45         * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
46         for C++-11.
48 2016-01-29  Richard Biener  <rguenther@suse.de>
50         PR middle-end/69537
51         * match.pd: Allow all integral types when simplifying a
52         widening or sign-changing conversion.
54 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
56         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
57         back to setting codegen_error to fail codegen.
59 2016-01-28  Uros Bizjak  <ubizjak@gmail.com>
61         PR target/69459
62         * config/i386/constraints.md (C): Only accept constant zero operand.
63         (BC): New constraint.
64         * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
65         instead of C constraint.
66         * doc/md.texi (Machine Constraints): Update description
67         of C constraint.
69 2016-01-28  Steve Ellcey  <sellcey@imgtec.com>
71         PR target/68400
72         * config/mips/mips.c (and_operands_ok): Add MIPS16 check.
74 2016-01-28  Jakub Jelinek  <jakub@redhat.com>
76         PR middle-end/69542
77         * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
78         non-debug insns.
80 2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>
82         * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
83         branches if using guessed profile.
85 2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>
87         * graphite-optimize-isl.c (optimize_isl): Fix dump.
89 2016-01-28  Richard Henderson  <rth@redhat.com>
91         PR target/69305
92         * config/aarch64/aarch64-modes.def (CC_Cmode): New
93         * config/aarch64/aarch64-protos.h: Update.
94         * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
95         (aarch64_select_cc_mode): Add check for use of CC_Cmode.
96         (aarch64_get_condition_code_1): Handle CC_Cmode.
97         * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
98         (*add<mode>3_compareC_cconly_imm): New.
99         (*add<mode>3_compareC_cconly): New.
100         (*add<mode>3_compareC_imm): New.
101         (add<mode>3_compareC): New.
102         (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
103         to be first.  Use aarch64_carry_operation.
104         (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
105         (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
106         (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
107         (subti3): Use subdi3_compare1.
108         (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
109         (sub<mode>3_compare1): New.
110         (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
111         (*sub<mode>3_carryin): Use aarch64_borrow_operation.
112         (*subsi3_carryin_uxtw): Likewise.
113         (*ngc<mode>, *ngcsi_uxtw): Likewise.
114         (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
115         * config/aarch64/iterators.md (DWI): New.
116         * config/aarch64/predicates.md (aarch64_carry_operation): New.
117         (aarch64_borrow_operation): New.
119 2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
121         * graphite-optimize-isl.c (optimize_isl): Print a different debug
122         message when isl does not return a valid schedule.
124 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
126         * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
127         Remove comments from class declarations: they are already in the code
128         close by the defs.
130 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
132         * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
133         codegen_error_p.
134         (ternary_op_to_tree): Same.
135         (unary_op_to_tree): Same.
136         (nary_op_to_tree): Same.
137         (gcc_expression_from_isl_expr_op): Same.
138         (gcc_expression_from_isl_expression): Same.
139         (graphite_create_new_loop): Same.
140         (graphite_create_new_loop_guard): Same.
141         (build_iv_mapping): Same.
142         (graphite_create_new_guard): Same.
143         (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
144         (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.
146 2016-01-28  Sebastian Pop  <s.pop@samsung.com>
148         * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
149         instead of setting codegen_error to fail codegen.
151 2016-01-28  Jason Merrill  <jason@redhat.com>
153         * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.
155 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
157         * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
158         Remove CONST_INT_P check in CCMP cost calculation.
160 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
162         * config/aarch64/aarch64.c (generic_vector_cost):
163         Set vec_permute_cost.
164         (cortexa57_vector_cost): Likewise.
165         (exynosm1_vector_cost): Likewise.
166         (xgene1_vector_cost): Likewise.
167         (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
168         * config/aarch64/aarch64-protos.h (cpu_vector_cost):
169         Add vec_permute_cost entry.
171 2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>
173         * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
174         immediate as %1.
175         (add<mode>3_compare0): Likewise.
176         (addsi3_compare0_uxtw): Likewise.
177         (add<mode>3nr_compare0): Likewise.
178         (compare_neg<mode>): Likewise.
179         (<optab><mode>3): Likewise.
181 2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>
183         * tree-vect-stmts.c (vectorizable_comparison): Add
184         NULL check for vectype.
186 2016-01-28  Richard Biener  <rguenther@suse.de>
188         PR tree-optimization/69466
189         * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
190         Account for PHIs we couldn't duplicate.
192 2016-01-28  Martin Liska  <mliska@suse.cz>
194         PR pch/68758
195         * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
196         instead of ENABLE_VALGRIND_CHECKING.
198 2016-01-27  Richard Henderson  <rth@redhat.com>
200         PR rtl-opt/69447
201         * lra-remat.c (subreg_regs): New.
202         (dump_candidates_and_remat_bb_data): Dump it.
203         (operand_to_remat): Reject if operand in subreg_regs.
204         (set_bb_regs): Collect subreg_regs.
205         (lra_remat): Init and free subreg_regs.  Compute
206         calculate_local_reg_remat_bb_data before create_cands.
208 2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>
210         PR target/68986
211         * config/i386/i386.c (ix86_update_stack_boundary): Don't
212         change stack_alignment_needed for __tls_get_addr call.
214 2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>
216         * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.
218 2016-01-27  Jeff Law  <law@redhat.com>
220         PR tree-optimization/68398
221         PR tree-optimization/69196
222         * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
223         (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
224         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
225         Only count PHIs in the last block in the path.  The others will
226         const/copy propagate away.  Add heuristic to allow more irreducible
227         subloops to be created when it is likely profitable to do so.
229         * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
230         Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
231         check from within the loop.  Use gsi_next_nondebug rather than gsi_next.
233 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
235         PR lto/69254
236         * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
237         END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
238         * asan.c (DEF_BUILTIN_STUB): Temporarily define.
239         * tree-streamer-in.c: Include asan.h.
240         (streamer_get_builtin_tree): For builtins in sanitizer
241         range call initialize_sanitizer_builtins and retry.
243 2016-01-27  Ian Lance Taylor  <iant@google.com>
245         * common.opt (fkeep-gc-roots-live): New undocumented option.
246         * tree-ssa-loop-ivopts.c (add_candidate_1): If
247         -fkeep-gc-roots-live, skip pointers.
248         (add_iv_candidate_for_biv): Handle add_candidate_1 returning
249         NULL.
251 2016-01-27  Uros Bizjak  <ubizjak@gmail.com>
253         PR target/69512
254         * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
255         (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.
257 2016-01-27  Thomas Klausner  <wiz@NetBSD.org>
259         PR target/68380
260         * configure.ac: NetBSD provides SSP in its C library.
261         * configure: Updated.
263 2016-01-27  Richard Biener  <rguenther@suse.de>
265         PR tree-optimization/69166
266         * tree-vect-loop.c (vect_is_simple_reduction): Always check
267         reduction code for commutativity / associativity.
269 2016-01-27  Martin Jambor  <mjambor@suse.cz>
271         PR tree-optimization/69355
272         * tree-sra.c (analyze_access_subtree): Correct hole detection when
273         total_scalarization fails.
275 2016-01-27  David Edelsohn  <dje.gcc@gmail.com>
277         * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
278         power9.
280 2016-01-27  Christian Bruel  <christian.bruel@st.com>
282         PR target/69245
283         * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
284         Move arm_reset_previous_fndecl and set_target_option_current_node in
285         the conditional part.  Call save_restore_target_globals.
286         * config/arm/arm.c (arm_set_current_function):
287         Refactor to better support #pragma target and attribute mix.
288         Call save_restore_target_globals.
289         * config/arm/arm-protos.h (save_restore_target_globals): New function.
291 2016-01-27  Martin Liska  <mliska@suse.cz>
293         * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
294         reference for an HSA kernel and its host function.
296 2016-01-27  Jakub Jelinek  <jakub@redhat.com>
298         PR tree-optimization/69399
299         * wide-int.h (wi::lrshift): For larger precisions, only
300         use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.
302 2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
304         * config/arc/predicates.md (proper_comparison_operator): Reject
305         constant-constant comparison.
307 2016-01-26  Tom de Vries  <tom@codesourcery.com>
309         PR tree-optimization/69110
310         * tree-data-ref.c (initialize_data_dependence_relation): Handle
311         DR_NUM_DIMENSIONS == 0.
313 2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
314             Sebastian Pop  <s.pop@samsung.com>
316         * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
317         isl_ast_op_cond and isl_ast_op_select.
318         (gcc_expression_from_isl_expr_op): Same.
320 2016-01-26  Jason Merrill  <jason@redhat.com>
322         PR c++/68782
323         * tree.c (recompute_constructor_flags): Split out from
324         build_constructor.
325         (verify_constructor_flags): New.
326         * tree.h: Declare them.
328 2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>
330         PR rtl-optimization/69217
331         * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
332         are no TYPE_FIELDS set for the record type.
334 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
336         PR target/68662
337         * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
338         toc_label_name unconditionally.
339         (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
340         SYMBOL_REF string.  Use toc_label_name instead of constructing
341         LCTOC1.
342         (rs6000_elf_declare_function_name): Use toc_label_name instead of
343         constructing LCTOC1.
345 2016-01-26  Martin Sebor  <msebor@redhat.com>
347         PR other/69477
348         * doc/extend.texi (Common Type Attributes): Move text that talks about
349         attribute packed from attribute aligned to the section discussing
350         the former attribute for clarity.
352 2016-01-26  Richard Henderson  <rth@redhat.com>
354         PR middle-end/60908
355         * trans-mem.c (tm_region_init): Mark entry block as visited.
357 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
359         PR other/69006
360         * diagnostic-show-locus.c (layout::print_source_line): Replace
361         call to pp_newline with call to layout::print_newline.
362         (layout::print_annotation_line): Likewise.
363         (layout::move_to_column): Likewise.
364         (layout::print_any_fixits): After printing any fixits, print a
365         trailing newline, if necessary.
366         (layout::print_newline): New method, resetting any colorization
367         before a newline.
368         (diagnostic_show_locus): Move the pp_newline to before the
369         early bailout.  Remove dummy block enclosing the layout instance.
370         * diagnostic.c (default_diagnostic_finalizer): Replace invocation
371         of pp_newline_and_flush with pp_flush.
372         (diagnostic_append_note): Delete use of pp_newline.
373         (diagnostic_append_note_at_rich_loc): Delete.
374         * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
375         * pretty-print.h (output_buffer_append_r): Reset buff->line_length
376         when newline characters are added to the buffer.
378 2016-01-26  Michael Matz  <matz@suse.de>
380         * configure.ac (ac_cv_std_swap_in_utility): New test.
381         * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
382         * configure: Regenerate.
383         * config.in: Regenerate.
385 2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>
387         * config/arc/arc.md (cstoresi4): Force operand into register.
388         (arcset<code>): Fix predicate.
389         (arcsetltu): Likewise.
390         (arcsetgeu): Likewise.
391         (arcsethi): Likewise.
392         (arcsetls): Likewise.
394 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
396         PR tree-optimization/69483
397         * gimple-fold.c (canonicalize_constructor_val): Return NULL
398         if base has error_mark_node type.
400 2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>
402         PR target/68620
403         * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
404         * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
405         New helper macros.
406         (vget_lane_f16): Handle big-endian.
407         (vgetq_lane_f16): Likewise.
408         (vset_lane_f16): Likewise.
409         (vsetq_lane_f16): Likewise.
410         * config/arm/iterators.md (VQXMOV): Add V8HF.
411         (VDQ): Add V4HF and V8HF.
412         (V_reg): Handle V4HF and V8HF.
413         (Is_float_mode): Likewise.
414         * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
415         neon_vdup_nv8hf): New patterns.
416         (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
417         Use VD_LANE iterator.
418         (neon_vld1_dup<mode>): Use VQ2 iterator.
420 2016-01-26  Nathan Sidwell  <nathan@acm.org>
422         * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
423         (set_oacc_fn_attrib): Add IS_KERNEL arg.
424         * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
425         (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
426         (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
427         (oacc_validate_dims): Add LEVEL arg, don't return level.
428         (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
429         oacc_validate_dims.
430         (execute_oacc_device_lower): Adjust, add more dump output.
431         * tree-ssa-loop.c (gate_oacc_kernels): Use
432         oacc_fn_attrib_kernels_p.
433         * tree-parloops.c (create_parallel_loop): Adjust
434         set_oacc_fn_attrib call.
436 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
438         PR lto/69254
439         * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
440         (append_compiler_options): Handle -fcilkplus.
441         (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.
443 2016-01-26  Nick Clifton  <nickc@redhat.com>
445         PR target/66655
446         * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
447         been marked as DECL_ONE_ONLY but we do not the means to make it
448         so, then do not allow it to bind locally.
450 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
452         PR lto/69254
453         * opts.h (parse_sanitizer_options): New prototype.
454         * opts.c (sanitizer_opts): New array.
455         (parse_sanitizer_options): New function.
456         (common_handle_option): Use parse_sanitizer_options.
458 2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>
460         PR target/68986
461         * config/i386/i386.c (ix86_compute_frame_layout): Move stack
462         alignment adjustment to ...
463         (ix86_update_stack_boundary): Here.  Don't over-align stack for
464         __tls_get_addr.
465         (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
466         if __tls_get_addr is called.
468 2016-01-26  Christian Bruel  <christian.bruel@st.com>
470         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.
472 2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>
474         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.
476 2016-01-26  Richard Biener  <rguenther@suse.de>
478         PR middle-end/69467
479         * match.pd: Guard X * CST CMP 0 pattern with single_use.
481 2016-01-26  Richard Biener  <rguenther@suse.de>
483         PR tree-optimization/69452
484         * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
485         (move_computations_dom_walker::before_dom_children): Rename
486         to ...
487         (move_computations_worker): This.
488         (move_computations): Perform an RPO rather than a DOM walk.
490 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
492         PR target/69442
493         * combine.c (combine_instructions): For REG_EQUAL note with
494         SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
495         to the underlying register.
496         * doc/rtl.texi (REG_EQUAL): Document the behavior of
497         REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
499 2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>
501         PR target/67896
502         * config/aarch64/aarch64-builtins.c
503         (aarch64_init_simd_builtin_types): Do not set structural
504         equality to __Poly{8,16,64,128}_t types.
506 2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>
508         PR tree-optimization/69400
509         * wide-int.cc (wi_pack): Take the precision as argument and
510         perform canonicalization here rather than in the callers.
511         Use the main loop to handle all full-width HWIs.  Add a
512         zero HWI if in_len isn't a full result.
513         (wi::divmod_internal): Update accordingly.
514         (wi::mul_internal): Likewise.  Simplify.
516 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
517             Sebastian Pop  <s.pop@samsung.com>
519         * graphite-poly.c (apply_poly_transforms): Simplify.
520         (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
521         (print_isl_map): Same.
522         (print_isl_union_map): Same.
523         (print_isl_schedule): New.
524         (debug_isl_schedule): New.
525         * graphite-dependences.c (scop_get_reads): Do not call
526         isl_union_map_add_map that is undocumented isl functionality.
527         (scop_get_must_writes): Same.
528         (scop_get_may_writes): Same.
529         (scop_get_original_schedule): Remove.
530         (scop_get_dependences): Do not call isl_union_map_compute_flow that
531         is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
532         (compute_deps): Remove.
533         * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
534         (debug_schedule_ast): New.
535         (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
536         set_separate_option.
537         (graphite_regenerate_ast_isl): Add dump.
538         (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
539         from scop->transformed_schedule.
540         (graphite_regenerate_ast_isl): Add more dump.
541         * graphite-optimize-isl.c (optimize_isl): Set
542         scop->transformed_schedule.  Check whether schedules are equal.
543         (apply_poly_transforms): Move here.
544         * graphite-poly.c (apply_poly_transforms): ... from here.
545         (free_poly_bb): Static.
546         (free_scop): Static.
547         (pbb_number_of_iterations_at_time): Remove.
548         (print_isl_ast): New.
549         (debug_isl_ast): New.
550         (debug_scop_pbb): New.
551         * graphite-scop-detection.c (print_edge): Move.
552         (print_sese): Move.
553         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
554         (build_scop_scattering): Remove.
555         (create_pw_aff_from_tree): Assert instead of bailing out.
556         (add_condition_to_pbb): Remove unused code, do not fail.
557         (add_conditions_to_domain): Same.
558         (add_conditions_to_constraints): Remove.
559         (build_scop_context): New.
560         (add_iter_domain_dimension): New.
561         (build_iteration_domains): Initialize pbb->iterators.
562         Call add_conditions_to_domain.
563         (nested_in): New.
564         (loop_at): New.
565         (index_outermost_in_loop): New.
566         (index_pbb_in_loop): New.
567         (outermost_pbb_in): New.
568         (add_in_sequence): New.
569         (add_outer_projection): New.
570         (outer_projection_mupa): New.
571         (add_loop_schedule): New.
572         (build_schedule_pbb): New.
573         (build_schedule_loop): New.
574         (embed_in_surrounding_loops): New.
575         (build_schedule_loop_nest): New.
576         (build_original_schedule): New.
577         (build_poly_scop): Call build_original_schedule.
578         * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
579         (free_poly_dr): Remove.
580         (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
581         (free_poly_bb): Remove.
582         (debug_loop_vec): Remove.
583         (print_isl_ast): Declare.
584         (debug_isl_ast): Declare.
585         (scop_do_interchange): Remove.
586         (scop_do_strip_mine): Remove.
587         (scop_do_block): Remove.
588         (flatten_all_loops): Remove.
589         (optimize_isl): Remove.
590         (pbb_number_of_iterations_at_time): Remove.
591         (debug_scop_pbb): Declare.
592         (print_schedule_ast): Declare.
593         (debug_schedule_ast): Declare.
594         (struct scop): Remove schedule.  Add original_schedule,
595         transformed_schedule.
596         (free_gimple_poly_bb): Remove.
597         (print_generated_program): Remove.
598         (debug_generated_program): Remove.
599         (unify_scattering_dimensions): Remove.
600         * sese.c (print_edge): ... here.
601         (print_sese): ... here.
602         (debug_edge): ... here.
603         (debug_sese): ... here.
604         * sese.h (print_edge): Declare.
605         (print_sese): Declare.
606         (dump_edge): Declare.
607         (dump_sese): Declare.
609 2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
610             Sebastian Pop  <s.pop@samsung.com>
612         * Makefile.in: Set ISLVER in site.exp.
614 2016-01-25  Jakub Jelinek  <jakub@redhat.com>
616         * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
617         DECL_VALUE_EXPR of new_var even for the non-array case.  Look
618         through DECL_VALUE_EXPR for expansion.
620 2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>
622         * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
623         the frame info after reload completed.
625 2016-01-25  Jeff Law  <law@redhat.com>
627         PR tree-optimization/69196
628         PR tree-optimization/68398
629         * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
630         tree-ssa-threadupdate.c.
631         (determine_bb_domination_status): Prototype
632         * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
633         (determine_bb_domination_status): No longer static.
634         (valid_jump_thread_path): Remove code to detect characteristics
635         of the jump thread path not associated with correctness.
636         * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
637         Correct test for thread path length.  Count PHIs for real operands as
638         statements that need to be copied.  Do not count ASSERT_EXPRs.
639         Look at all the blocks in the thread path.  Compute and selectively
640         filter thread paths based on threading through the latch, threading
641         a multiway branch or crossing a multiway branch.
643 2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
645         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
646         decl with __attribute__ ((unused)) annotation.
648 2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>
650         PR target/69421
651         * tree-vect-stmts.c (vectorizable_condition): Check vectype
652         of operands is compatible with a statement vectype.
654 2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>
656         * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
657         improve wording for mixed storage order support.
659 2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>
661         * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
662         (vcvt_u64_f64): Likewise.
663         (vcvta_s64_f64): Likewise.
664         (vcvta_u64_f64): Likewise.
665         (vcvtm_s64_f64): Likewise.
666         (vcvtm_u64_f64): Likewise.
667         (vcvtn_s64_f64): Likewise.
668         (vcvtn_u64_f64): Likewise.
669         (vcvtp_s64_f64): Likewise.
670         (vcvtp_u64_f64): Likewise.
672 2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>
674         * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
675         (arc_init): Check validity mll64 option.
676         (arc_save_restore): Use double load/store instruction.
677         (arc_expand_movmem): Likewise.
678         (arc_split_move): Don't split if we have double load/store
679         instructions. Returns a boolean.
680         (arc_process_double_reg_moves): Change function to return boolean
681         instead of a sequence of instructions.
682         (arc_dwarf_register_span): New function.
683         * config/arc/arc-protos.h (arc_split_move): Change prototype.
684         * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
685         * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
686         (*movdf_insn): Likewise.
687         * config/arc/arc.opt (mll64): New option.
688         * config/arc/predicates.md (even_register_operand): New predicate.
689         * doc/invoke.texi (ARC Options): Add mll64 documentation.
691 2016-01-25  Richard Biener  <rguenther@suse.de>
693         PR lto/69393
694         * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
695         * tree-streamer-out.c (pack_ts_base_value_fields): Stream
696         DECL_NAMELESS.
697         * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.
699 2016-01-25  Richard Biener  <rguenther@suse.de>
701         PR tree-optimization/69376
702         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
703         flag.
704         (VN_INFO_ANTI_RANGE_P): New inline.
705         (VN_INFO_RANGE_TYPE): Likewise.
706         * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
707         SSA_NAME_ANTI_RANGE_P.
708         (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
709         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
710         Properly query VN_INFO_RANGE_TYPE.
712 2016-01-25  Nick Clifton  <nickc@redhat.com>
714         PR target/66655
715         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.
717 2016-01-23  Tom de Vries  <tom@codesourcery.com>
719         PR tree-optimization/69426
720         * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
721         removed clobber.
723 2016-01-23  Jakub Jelinek  <jakub@redhat.com>
725         * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
726         "the the" with "the" in the comments.
727         * ipa-devirt.c (build_type_inheritance_graph,
728         update_type_inheritance_graph): Likewise.
729         * tree.c (build_function_type_list_1): Likewise.
730         * cfgloopmanip.c (scale_loop_profile): Likewise.
731         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
732         * gimple-ssa-split-paths.c
733         (find_block_to_duplicate_for_splitting_paths): Likewise.
734         * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
735         * expr.c (convert_move): Likewise.
736         * var-tracking.c (vt_stack_adjustments): Likewise.
737         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
738         * tree-vrp.c (test_for_singularity): Likewise.
740         * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
741         directly instead of building a temporary tree.
743         PR bootstrap/69434
744         * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
745         remove <algorithm> include.
747 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
749         PR target/69432
750         * config/i386/i386.c: Include dojump.h.
751         (expand_small_movmem_or_setmem,
752         expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
753         fixes.
754         (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
755         if dynamic_check != -1.
757 2016-01-21  Jeff Law  <law@redhat.com>
759         PR middle-end/69347
760         * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
761         record_temporary_equivalences.  Rewritten to avoid unnecessary calls
762         into dominated_by_p.
763         (cprop_into_successor_phis): Avoid unnecessary tests.
765 2016-01-22  Richard Henderson  <rth@redhat.com>
767         PR target/69416
768         * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
769         (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.
771 2016-01-22  Michael Matz  <matz@suse.de>
773         * system.h (string, algorithm): Include only conditionally.
774         (new): Include always under C++.
775         * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
776         * final.c (toplevel): Ditto.
777         * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
778         * genconditions.c (write_header): Make gencondmd.c define
779         INCLUDE_STRING.
780         * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.
782         * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
783         * common/config/aarch64/aarch64-common.c (toplevel): Ditto.
785 2016-01-22  Christian Bruel  <christian.bruel@st.com>
787         PR target/68674
788         * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.
790 2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
792         PR target/69403
793         * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
794         define_insn_and_split.  Ensure operands[1] and operands[0] do not
795         get assigned the same register.
797 2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>
799         * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.
801 2016-01-22  Christian Bruel  <christian.bruel@st.com>
803         * config/arm/arm-c.c (arm_pragma_target_parse):
804         Remove warn_builtin_macro_redefined overwrite.
806 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
808         * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
809         flag_non_call_exceptions compatibility.
811 2016-01-22  Jakub Jelinek  <jakub@redhat.com>
813         PR debug/66668
814         * dwarf2out.c (add_child_die_after): New function.
815         (dwarf_qual_info_t): New type.
816         (dwarf_qual_info): New variable.
817         (qualified_die_p): New function.
818         (modified_type_die): For -fdebug-types-section, ensure
819         canonical order of qualifiers.  Put qualified DIEs adjacent
820         to the corresponding non-qualified type DIE and search there
821         for existing qualified DIEs.
823 2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>
825         * doc/extend.texi (scalar_storage_order type attribute): Document
826         restriction on type punning and aliasing, and remove future tense.
828 2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>
830         PR target/69252
831         * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
832         first stage.
834 2016-01-21  Jeff Law  <law@redhat.com>
836         PR middle-end/69347
837         * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
838         useless call to record_temporary_equivalences.
839         * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
840         allocate 10 slots in the bb_path vector and let it grow as needed.
841         (fsm_find_control_statement_thread_paths): Similarly for the next_path
842         vector.
844 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
846         * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
847         Detangle.
848         * configure: Regenerate.
850 2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>
852         * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
853         * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.
855 2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>
857         PR middle-end/66178
858         * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
859         drop EXPAND_INITIALIZER.
860         * rtl.h (contains_symbolic_reference_p): Declare.
861         * rtlanal.c (contains_symbolic_reference_p): New function.
862         * simplify-rtx.c (simplify_binary_operation_1): Don't turn
863         a subtraction into a NOT if symbolic constants are involved.
865 2016-01-21  Anton Blanchard  <anton@samba.org>
866             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
868         PR target/63354
869         * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
870         #define.
871         * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
872         function.
874 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
876         * config/microblaze/microblaze.c
877         (get_branch_target): New.
878         (insert_wic_for_ilb_runout): New.
879         (insert_wic): New.
880         (microblaze_machine_dependent_reorg): New.
881         (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
882         * config/microblaze/microblaze.md
883         (UNSPEC_IPREFETCH): Define.
884         (iprefetch): New pattern
885         * config/microblaze/microblaze.opt
886         (mxl-prefetch): New flag.
888 2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
890         * config/microblaze/microblaze.h
891         (FIXED_REGISTERS): Update in macro.
892         (CALL_USED_REGISTERS): Update in macro.
894 2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>
896         PR rtl-optimization/68920
897         * ifcvt.c (cond_move_process_if_block): Limit number of conditional
898         moves.
900 2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>
902         PR rtl-optimization/68990
903         * lra-coalesce.c (lra_coalesce): Invalidate value for the result
904         pseudo instead of inheritance ones.
906 2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
907             Nick Clifton  <nickc@redhat.com>
909         PR target/69129
910         PR target/69012
911         * config/mips/mips.c (mips_compute_frame_info): Initialise
912         args_size and hard_frame_pointer_offset fields of the frame
913         structure before calling mips_global_pointer.
915 2016-01-21  David Edelsohn  <dje.gcc@gmail.com>
917         * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
918         label reference.
919         * configure: Regenerate.
921 2016-01-21  Richard Biener  <rguenther@suse.de>
923         * graphite-optimize-isl.c (get_schedule_map): Fix typo.
925 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
927         * config/s390/s390.c (s390_asm_declare_function_size): Add code
928         to actually emit the .size directive.
930 2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
931              Jakub Jelinek  <jakub@redhat.com>
933         PR target/69187
934         PR target/65624
935         * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
936         args array size by one to avoid buffer overflow.
938 2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>
940         * config/s390/s390.md (pool_section_start): Use switch_to_section
941         to select proper read-only data section instead of hardcoding
942         .rodata.
943         (pool_section_end): Use switch_to_section to match the above.
945 2016-01-21  Richard Biener  <rguenther@suse.de>
947         PR tree-optimization/69378
948         * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
949         (set_ssa_val_to): Use it for dominance checks taking into
950         account not executable edges.
952 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
954         PR c++/69355
955         * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
956         for bitsize instead of GET_MODE_PRECISION (mode).
958 2016-01-20  Martin Sebor  <msebor@redhat.com>
960         PR c/52291
961         * extend.texi (__sync Builtins): Clarify the semantics of
962         __sync_fetch_and_OP built-ins on pointers.
963         (__atomic Builtins): Same.
965 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
966             Sebastian Pop  <s.pop@samsung.com>
968         * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
969         (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
970         (is_valid_rename): Same.
971         (translate_isl_ast_to_gimple::get_rename): Same.
972         (translate_isl_ast_to_gimple::rename_all_uses): Same.
973         (translate_isl_ast_to_gimple::rename_uses): Same.
974         (get_new_name): Check for close_phi nodes.
975         (copy_loop_phi_args): Use phi_node_kind.
976         (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
977         (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.
979 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
980             Sebastian Pop  <s.pop@samsung.com>
982         Revert commit r229783.
983         * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
984         Remove use of parameter_rename_map.
985         (copy_def): Remove.
986         (copy_internal_parameters): Remove.
987         (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
988         * sese.c (new_sese_info): Do not initialize parameter_rename_map.
989         (free_sese_info): Do not free parameter_rename_map.
990         (set_rename): Do not use parameter_rename_map.
991         (rename_uses): Update call to set_rename.
992         (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
993         * sese.h (parameter_rename_map_t): Remove.
994         (struct sese_info_t): Remove field parameter_rename_map.
996 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
997             Sebastian Pop  <s.pop@samsung.com>
999         * graphite-isl-ast-to-gimple.c: Fix comment.
1000         * graphite-scop-detection.c (defined_in_loop_p): New.
1001         (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
1002         names defined in loop.
1004 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
1005             Sebastian Pop  <s.pop@samsung.com>
1007         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
1008         Discard unstructured if-then-else regions.
1010 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
1011             Sebastian Pop  <s.pop@samsung.com>
1013         * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
1014         (cleanup_loop_iter_dom): Remove.
1015         (build_loop_iteration_domains): Remove.
1016         (build_scop_context): Remove.
1017         (build_scop_iteration_domain): Remove.
1018         (add_loop_constraints): New.
1019         (build_iteration_domains): New.
1020         (build_poly_scop): Call build_iteration_domains.
1022 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
1023             Sebastian Pop  <s.pop@samsung.com>
1025         * graphite-scop-detection.c
1026         (scop_detection::harmful_loop_in_region): Free dom and loops.
1027         (scop_detection::loop_body_is_valid_scop): Free bbs.
1029 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
1030             Sebastian Pop  <s.pop@samsung.com>
1032         * graphite-scop-detection.c (record_loop_in_sese): New.
1033         (gather_bbs::before_dom_children): Call record_loop_in_sese.
1034         (build_scops): Remove call to build_sese_loop_nests.
1035         * sese.c (sese_record_loop): Remove.
1036         (build_sese_loop_nests): Remove.
1037         (new_sese_info): Remove region->loops.
1038         (free_sese_info): Same.
1039         * sese.h (sese_contains_loop): Same.
1040         (build_sese_loop_nests): Remove.
1041         (sese_contains_loop): Remove.
1043 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
1044             Sebastian Pop  <s.pop@samsung.com>
1046         * graphite-scop-detection.c (loop_is_valid_scop): Renamed
1047         loop_is_valid_in_scop.
1048         (scop_detection::harmful_stmt_in_region): Renamed
1049         harmful_loop_in_region.
1050         Call loop_is_valid_in_scop.
1052 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
1053             Sebastian Pop  <s.pop@samsung.com>
1055         * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
1056         isl_ast_node_mark.
1058 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
1059             Sebastian Pop  <s.pop@samsung.com>
1061         * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
1062         * graphite.h (struct poly_bb): Remove field is_reduction.
1063         (PBB_IS_REDUCTION): Remove.
1065 2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
1066             Sebastian Pop  <s.pop@samsung.com>
1068         * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
1069         (add_pdr_constraints): Same.
1070         (scop_get_reads): Same.
1071         (scop_get_must_writes): Same.
1072         (scop_get_may_writes): Same.
1073         (scop_get_original_schedule): Same.
1074         (extend_schedule): Same.
1075         (apply_schedule_on_deps): Same.
1076         (carries_deps): Same.
1077         (compute_deps): Same.
1078         (scop_get_dependences): Same.
1079         * graphite-isl-ast-to-gimple.c
1080         (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
1081         * graphite-optimize-isl.c (get_schedule_for_band): Same.
1082         (get_schedule_for_band_list): Same.
1083         (get_schedule_map): Same.
1084         (apply_schedule_map_to_scop): Same.
1085         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
1086         (build_loop_iteration_domains): Same.
1087         (add_condition_to_pbb): Same.
1088         (add_param_constraints): Same.
1089         (pdr_add_memory_accesses): Same.
1090         (pdr_add_data_dimensions): Same.
1092 2016-01-20  Sandra Loosemore <sandra@codesourcery.com>
1094         * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
1095         requirements.
1097 2016-01-20  Sandra Loosemore <sandra@codesourcery.com>
1099         * common.opt (feliminate-dwarf2-dups): Replace references to
1100         "DWARF 2" with just "DWARF".
1101         * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
1102         * doc/extend.texi: Likewise.
1103         * doc/cpp.texi: Likewise.
1104         * doc/invoke.texi: Likewise.
1105         (Option Summary): Add -gdwarf to list of Debugging Options.
1106         (Debugging Options): Document -gdwarf.
1107         * doc/contrib.texi: Spell "DWARF" like that.
1109 2016-01-21  Jakub Jelinek  <jakub@redhat.com>
1111         * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
1112         warning.  Fix up formatting.
1114         PR middle-end/67653
1115         * gimplify.c (gimplify_asm_expr): Warn if it is too late to
1116         attempt to mark memory input operand addressable and
1117         call prepare_gimple_addressable in that case.  Don't adjust
1118         input_location for diagnostics, use error_at instead.
1120 2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>
1122         * config/rs6000/ppc-auxv.h: New file.
1123         * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
1124         (cpu_is): Likewise.
1125         (cpu_supports): Likewise.
1126         * config/rs6000/rs6000.c: include "ppc-auxv.h".
1127         (cpu_is_info): New variable.
1128         (cpu_supports_info): Likewise.
1129         (tcb_verification_symbol): Likewise.
1130         (cpu_builtin_p): Likewise.
1131         (cpu_expand_builtin): New function.
1132         (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
1133         (rs6000_init_builtins): Likewise.
1134         (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
1135         * config/rs6000/rs6000.h (TLS_REGNUM): New define.
1136         * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
1137         * configure: Regenerate.
1138         * config.in: Likewise.
1139         * doc/extend.texi (PowerPC Built-in Functions): Document
1140         __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.
1142 2016-01-20  David Edelsohn  <dje.gcc@gmail.com>
1144         PR target/68609
1145         * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
1146         domain check.
1147         * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
1148         for V4SFmode.
1150 2016-01-20  Richard Henderson  <rth@redhat.com>
1152         PR bootstrap/69343
1153         PR bootstrap/69339
1154         PR tree-opt/68964
1155         Revert:
1156         * tree.c (tm_define_builtin): New.
1157         (find_tm_vector_type): New.
1158         (build_tm_vector_builtins): New.
1159         (build_common_builtin_nodes): Call it.
1161 2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>
1163         * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
1164         (arm_fp_ok): Likewise.
1165         (arm_fp): Likewise.
1166         (arm_crypto): Likewise.
1168 2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
1169             Richard Biener  <rguenther@suse.de>
1171         PR tree-optimization/69328
1172         * tree-vect-stmts.c (vect_is_simple_cond): Check compared
1173         vectors have same number of elements.
1174         (vectorizable_condition): Fix masked version recognition.
1176 2016-01-20  Richard Biener  <rguenther@suse.de>
1178         PR tree-optimization/69345
1179         * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
1180         (VN_INFO_PTR_INFO): Likewise.
1181         * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
1182         info when it is equal between non-dominating SSA names.
1183         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
1184         Make sure to look at original SSA infos.
1186 2016-01-20  Jeff Law  <law@redhat.com>
1188         PR target/25114
1189         * config/m68k/predicates.md (pow2_m1_operand): New predicate
1190         extracted from ...
1191         (reg_or_pow2_m1_operand): Call pow2_m1_operand.
1192         (pc_or_label_operand): New predicate.
1193         * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
1194         tests for small integers that are 2^n - 1.
1196 2016-01-20  Jonathan Wakely  <jwakely@redhat.com>
1198         * doc/invoke.texi (Options Summary): Add '.' after @xref.
1200 2016-01-19  Jeff Law  <law@redhat.com>
1202         PR middle-end/69347
1203         * tree-ssa-threadbackwards.c
1204         (fsm_find_control_statement_thread_paths): Do not try to lookup
1205         FSM paths for SSA_NAMEs appearing in abnormal PHIs.
1207 2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>
1209         * doc/lto.texi: Remove text that says only Gold has linker plugin
1210         support.
1212 2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>
1214         * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
1215         (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
1216         the DIE accordingly.
1217         (modified_type_die): Add REVERSE parameter and pass it recursively,
1218         as well as to base_type_die.  Adjust presence check accordingly.
1219         (base_type_for_mode): Adjust call to modified_type_die.
1220         (add_type_attribute): Add REVERSE parameter and pass it to
1221         modified_type_die.
1222         (generic_parameter_die): Adjust call to add_type_attribute.
1223         (add_scalar_info): Likewise.
1224         (add_subscript_info): Likewise.
1225         (gen_array_type_die): Likewise.
1226         (gen_descr_array_type_die): Likewise.
1227         (gen_entry_point_die): Likewise.
1228         (gen_enumeration_type_die): Likewise.
1229         (gen_formal_parameter_die): Likewise.
1230         (gen_subprogram_die): Likewise.
1231         (gen_variable_die ): Likewise.
1232         (gen_const_die): Likewise.
1233         (gen_field_die): Likewise.
1234         (gen_pointer_type_die): Likewise.
1235         (gen_reference_type_die): Likewise.
1236         (gen_ptr_to_mbr_type_die): Likewise.
1237         (gen_inheritance_die): Likewise.
1238         (gen_subroutine_type_die): Likewise.
1239         (gen_typedef_die): Likewise.
1240         (force_type_die): Adjust call to modified_type_die.
1242 2016-01-19  Sandra Loosemore <sandra@codesourcery.com>
1244         * doc/standards.texi: Copy-editing for grammar, markup, and sentence
1245         flow throughout the file.  Fix broken link to Objective-C 2.0
1246         documentation.
1247         * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
1248         errors.
1250 2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
1252         * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.
1254 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
1256         PR ipa/66223
1257         * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
1258         (maybe_record_node): Record cxa_pure_virtual as the only possible
1259         target if there are not ohter candidates.
1260         (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.
1262 2016-01-19  Richard Biener  <rguenther@suse.de>
1264         * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
1265         (get_memory_order): Likewise.
1267 2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>
1269         * tree-vect-stmts.c (vectorizable_store): Check
1270         rhs vectype.
1272 2016-01-19  David Malcolm  <dmalcolm@redhat.com>
1274         PR jit/68446
1275         * gcc.c (driver::decode_argv): Add call to
1276         init_opts_obstack before init_options_struct.
1277         * opts.c (init_opts_obstack): Remove idempotency.
1278         (init_options_struct): Replace call to init_opts_obstack
1279         with a gcc_assert to verify that it has already been called.
1280         * toplev.c (toplev::main): Add call to init_opts_obstack before
1281         calls to init_options_struct.
1282         (toplev::finalize): Move cleanup of opts_obstack next to
1283         cleanup of save_decoded_options, clearing the latter, and
1284         save_decoded_options_count.
1286 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1288         PR target/69135
1289         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
1290         attribute to unconditional.  Remove %? from output template.
1292 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
1293             Jiong Wang  <jiong.wang@arm.com>
1295         * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
1296         generated from different expand order.
1298 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
1300         * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
1301         Add support for CCMP costing.
1303 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
1305         * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
1306         * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
1307         (fccmpe<mode>): Likewise.
1308         (fcmp): Rename to fcmp and globalize pattern.
1309         (fcmpe): Likewise.
1310         * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
1311         (aarch64_gen_ccmp_next): Add FP support.
1313 2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
1315         * target.def (gen_ccmp_first): Update documentation.
1316         (gen_ccmp_next): Likewise.
1317         * doc/tm.texi (gen_ccmp_first): Update documentation.
1318         (gen_ccmp_next): Likewise.
1319         * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
1320         expand_ccmp_expr_1.  Improve comments.
1321         * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
1322         (ccmp_ior<mode>): Remove pattern.
1323         (cmp<mode>): Remove expand.
1324         (cmp): Globalize pattern.
1325         (cstorecc4): Use cc_register.
1326         (mov<mode>cc): Remove ccmp_cc_register check.
1327         * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
1328         Simplify after removal of CC_DNE/* modes.
1329         (aarch64_ccmp_mode_to_code): Remove.
1330         (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
1331         In 'k' case use integer as condition.
1332         (aarch64_nzcv_codes): Remove inverted cases.
1333         (aarch64_code_to_ccmode): Remove.
1334         (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
1335         comparison with CC register to be used in folowing CCMP/branch/CSEL.
1336         (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
1337         pattern.  Return the comparison with CC register.  Invert conditions
1338         when bitcode is OR.
1339         * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
1340         * config/aarch64/predicates.md (ccmp_cc_register): Remove.
1342 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
1344         * cgraphunit.c (cgraph_node::reset): Clear thunk info and
1345         instrumented_version.
1347 2016-01-19  Richard Biener  <rguenther@suse.de>
1349         PR tree-optimization/69336
1350         * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
1351         handled components with get_ref_base_and_extent.
1352         (equal_mem_array_ref_p): Adjust.
1354 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
1356         PR debug/65779
1357         * shrink-wrap.c: Include valtrack.h.
1358         (move_insn_for_shrink_wrap): Add DEBUG argument.  If
1359         MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
1360         in between insn and where it will be moved to.  Call
1361         dead_debug_insert_temp.
1362         (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
1363         first and dead_debug_local_finish at the end.
1364         For uses and defs bitmap, handle all regs in between REGNO and
1365         END_REGNO, not just the first one.
1367 2016-01-19  Richard Biener  <rguenther@suse.de>
1369         PR tree-optimization/69352
1370         * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
1371         (equal_mem_array_ref_p): Constrain size and max size properly.
1372         Compare the reverse flag.
1374 2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>
1376         * ira.c (ira): Update regstat data if we deleted insns.
1378 2016-01-19  Jakub Jelinek  <jakub@redhat.com>
1380         PR rtl-optimization/68955
1381         PR rtl-optimization/64557
1382         * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
1383         here.  Fix up formatting.
1384         * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.
1386 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
1388         PR lto/69133
1389         * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
1390         assume that the node has body.
1391         * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
1392         check.
1394 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
1396         * lto-streamer-out.c (lto_output): Do not stream instrumentation
1397         thunks.
1399 2016-01-19  Jan Hubicka  <hubicka@ucw.cz>
1401         * symtab.c (symtab_node::asm_name): Do not call printable name directly.
1402         (symtab_node::name): Report name as unnamed if DECL_NAME is not set.
1404 2016-01-19  Martin Jambor  <mjambor@suse.cz>
1405             Martin Liska  <mliska@suse.cz>
1406             Michael Matz <matz@suse.de>
1408         * Makefile.in (OBJS): Add new source files.
1409         (GTFILES): Add hsa.c.
1410         * common.opt (disable_hsa): New variable.
1411         (-Whsa): New warning.
1412         * config.in (ENABLE_HSA): New.
1413         * configure.ac: Treat hsa differently from other accelerators.
1414         (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
1415         $enable_offloading.
1416         (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
1417         * doc/install.texi (Configuration): Document --with-hsa-runtime,
1418         --with-hsa-runtime-include, --with-hsa-runtime-lib and
1419         --with-hsa-kmt-lib.
1420         * doc/invoke.texi (-Whsa): Document.
1421         (hsa-gen-debug-stores): Likewise.
1422         * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
1423         to invoke offload compiler for hsa acclerator.
1424         * opts.c (common_handle_option): Determine whether HSA offloading
1425         should be performed.
1426         * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
1427         * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
1428         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
1429         (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
1430         * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
1431         * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
1432         GF_OMP_FOR_KIND_GRID_LOOP.
1433         (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
1434         (pp_gimple_stmt_1): Likewise.
1435         * gimple-walk.c (walk_gimple_stmt): Likewise.
1436         * gimple.c (gimple_build_omp_grid_body): New function.
1437         (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
1438         * gimple.def (GIMPLE_OMP_GRID_BODY): New.
1439         * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
1440         GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
1441         GF_OMP_TEAMS_GRID_PHONY.
1442         (gimple_statement_omp_single_layout): Updated comments.
1443         (gimple_build_omp_grid_body): New function.
1444         (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
1445         (gimple_omp_for_grid_phony): New function.
1446         (gimple_omp_for_set_grid_phony): Likewise.
1447         (gimple_omp_parallel_grid_phony): Likewise.
1448         (gimple_omp_parallel_set_grid_phony): Likewise.
1449         (gimple_omp_teams_grid_phony): Likewise.
1450         (gimple_omp_teams_set_grid_phony): Likewise.
1451         (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
1452         * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
1453         (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
1454         (BUILT_IN_GOMP_TARGET): Updated type.
1455         * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
1456         (adjust_for_condition): New function.
1457         (get_omp_for_step_from_incr): Likewise.
1458         (extract_omp_for_data): Moved parts to adjust_for_condition and
1459         get_omp_for_step_from_incr.
1460         (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
1461         (fixup_child_record_type): Bail out if receiver_decl is NULL.
1462         (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
1463         (scan_omp_parallel): Do not create child functions for phony
1464         constructs.
1465         (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
1466         (scan_omp_1_op): Checking assert we are not remapping to
1467         ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
1468         (parallel_needs_hsa_kernel_p): New function.
1469         (expand_parallel_call): Register apprpriate parallel child
1470         functions as HSA kernels.
1471         (grid_launch_attributes_trees): New type.
1472         (grid_attr_trees): New variable.
1473         (grid_create_kernel_launch_attr_types): New function.
1474         (grid_insert_store_range_dim): Likewise.
1475         (grid_get_kernel_launch_attributes): Likewise.
1476         (get_target_argument_identifier_1): Likewise.
1477         (get_target_argument_identifier): Likewise.
1478         (get_target_argument_value): Likewise.
1479         (push_target_argument_according_to_value): Likewise.
1480         (get_target_arguments): Likewise.
1481         (expand_omp_target): Call get_target_arguments instead of looking
1482         up for teams and thread limit.
1483         (grid_expand_omp_for_loop): New function.
1484         (grid_arg_decl_map): New type.
1485         (grid_remap_kernel_arg_accesses): New function.
1486         (grid_expand_target_kernel_body): New function.
1487         (expand_omp): Call it.
1488         (lower_omp_for): Do not emit phony constructs.
1489         (lower_omp_taskreg): Do not emit phony constructs but create for them
1490         a temporary variable receiver_decl.
1491         (lower_omp_taskreg): Do not emit phony constructs.
1492         (lower_omp_teams): Likewise.
1493         (lower_omp_grid_body): New function.
1494         (lower_omp_1): Call it.
1495         (grid_reg_assignment_to_local_var_p): New function.
1496         (grid_seq_only_contains_local_assignments): Likewise.
1497         (grid_find_single_omp_among_assignments_1): Likewise.
1498         (grid_find_single_omp_among_assignments): Likewise.
1499         (grid_find_ungridifiable_statement): Likewise.
1500         (grid_target_follows_gridifiable_pattern): Likewise.
1501         (grid_remap_prebody_decls): Likewise.
1502         (grid_copy_leading_local_assignments): Likewise.
1503         (grid_process_kernel_body_copy): Likewise.
1504         (grid_attempt_target_gridification): Likewise.
1505         (grid_gridify_all_targets_stmt): Likewise.
1506         (grid_gridify_all_targets): Likewise.
1507         (execute_lower_omp): Call grid_gridify_all_targets.
1508         (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
1509         * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
1510         (tree_omp_clause): Added union field dimension.
1511         * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
1512         * tree.c (omp_clause_num_ops): Added number of arguments of
1513         OMP_CLAUSE__GRIDDIM_.
1514         (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
1515         (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
1516         * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
1517         (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
1518         (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
1519         (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
1520         * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
1521         * tree-pass.h (make_pass_gen_hsail): Declare.
1522         (make_pass_ipa_hsa): Likewise.
1523         * ipa-hsa.c: New file.
1524         * lto-section-in.c (lto_section_name): Add hsa section name.
1525         * lto-streamer.h (lto_section_type): Add hsa section.
1526         * timevar.def (TV_IPA_HSA): New.
1527         * hsa-brig-format.h: New file.
1528         * hsa-brig.c: New file.
1529         * hsa-dump.c: Likewise.
1530         * hsa-gen.c: Likewise.
1531         * hsa.c: Likewise.
1532         * hsa.h: Likewise.
1533         * toplev.c (compile_file): Call hsa_output_brig.
1534         * hsa-regalloc.c: New file.
1536 2016-01-18  Jeff Law  <law@redhat.com>
1538         PR tree-optimization/69320
1539         * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
1540         ranged object, do nothing if the RHS constant is not [0..1].
1541         (optimize_stmt): Comparing a boolean ranged object against a
1542         constant outside [0..1] results in a compile-time constant.
1544         * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
1545         test.
1547 2016-01-18  Sandra Loosemore <sandra@codesourcery.com>
1549         * doc/invoke.texi (Invoking GCC): Add new section to menu.
1550         (Option Summary): Update to reflect new section and moved options.
1551         (C++ Dialect Options): Move -fstats to new section.
1552         (Debugging Options): Move all dump, statistics, and other GCC
1553         developer options to new section.  Rewrite section introduction
1554         and re-order remaining options to put the more basic ones first.
1555         (Optimization Options): Move -fira-verbose and -flto-report* to
1556         new section.
1557         (Developer Options): New section incorporating moved options.
1558         * doc/cppopts.texi (-dM): Update cross-reference.
1560 2016-01-18  Richard Henderson  <rth@redhat.com>
1562         PR target/69176
1563         * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
1564         operands to pseudo only if CSE is expected.  Split long immediate
1565         operands only after reload, and for the stack pointer.
1566         (*add<GPI>3_pluslong): Remove.
1567         (*addsi3_aarch64, *adddi3_aarch64): Merge into...
1568         (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
1569         (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
1570         (*add<GPI>3 peepholes): New.
1571         (*add<GPI>3 splitters): New.
1572         * config/aarch64/constraints.md (Upl): New.
1573         * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.
1575 2016-01-18  Richard Biener  <rguenther@suse.de>
1577         PR tree-optimization/69297
1578         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
1579         stmt at most once.
1580         (vect_bb_vectorization_profitable_p): Clear visited flag again.
1582 2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>
1584         PR middle-end/68542
1585         * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
1586         of mixind vector and scalar types.
1587         (fold_relational_const): Add handling of vector
1588         comparison with boolean result.
1589         * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
1590         comparison of vector operands with boolean result for EQ/NE only.
1591         (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
1592         (verify_gimple_cond): Likewise.
1593         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
1594         valid type of VAL.
1596 2016-01-18  Joseph Myers  <joseph@codesourcery.com>
1598         * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
1599         !TARGET_OCTEON.
1601 2016-01-18  Richard Biener  <rguenther@suse.de>
1603         PR middle-end/69308
1604         * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.
1606 2016-01-18  Tom de Vries  <tom@codesourcery.com>
1608         * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.
1610 2016-01-18  Tom de Vries  <tom@codesourcery.com>
1612         * omp-low.c (set_oacc_fn_attrib): Make extern.
1613         * omp-low.h (set_oacc_fn_attrib): Declare.
1614         * tree-parloops.c (struct reduction_info): Add reduc_addr field.
1615         (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
1616         (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
1617         Add and handle function parameter oacc_kernels_p.
1618         (find_reduc_addr, get_omp_data_i_param): New function.
1619         (ref_conflicts_with_region, oacc_entry_exit_ok_1)
1620         (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
1621         (parallelize_loops): Add and handle function parameter oacc_kernels_p.
1622         Calculate dominance info.  Skip loops that are not in a kernels region
1623         in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
1624         (pass_parallelize_loops::execute): Call parallelize_loops with
1625         oacc_kernels_p argument.
1626         (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
1627         New member function.
1628         (pass_parallelize_loops::bool oacc_kernels_p): New member var.
1629         * passes.def: Add argument to pass_parallelize_loops instantation.
1631 2016-01-18  Tom de Vries  <tom@codesourcery.com>
1633         * tree-parloops.c (pass_parallelize_loops::execute): Allow
1634         pass_parallelize_loops to be run outside the loop pipeline.
1636 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
1638         * tree-scalar-evolution.c (follow_copies_to_constant): New.
1639         (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.
1641 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
1643         PR target/63679
1644         * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
1645         using get_ref_base_and_extent.
1646         (equal_mem_array_ref_p): New.
1647         (hashable_expr_equal_p): Add call to previous.
1649 2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>
1651         PR target/63679
1652         * tree-sra.c (disqualified_constants, constant_decl_p): New.
1653         (sra_initialize): Allocate disqualified_constants.
1654         (sra_deinitialize): Free disqualified_constants.
1655         (disqualify_candidate): Update disqualified_constants when appropriate.
1656         (create_access): Scan for constant-pool entries as we go along.
1657         (scalarizable_type_p): Add check against type_contains_placeholder_p.
1658         (maybe_add_sra_candidate): Allow constant-pool entries.
1659         (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
1660         (initialize_constant_pool_replacements): New.
1661         (sra_modify_assign): Avoid mangling assignments created by previous,
1662         and don't generate writes into constant pool.
1663         (sra_modify_function_body): Call initialize_constant_pool_replacements.
1665 2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>
1667         * config/i386/i386.c (scalar_to_vector_candidate_p): Support
1668         andnot instruction.
1669         (scalar_chain::convert_op): Likewise.
1670         * config/i386/i386.md (*andndi3_doubleword): New.
1672 2016-01-18  Richard Biener  <rguenther@suse.de>
1674         PR tree-optimization/69170
1675         * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
1676         building a vector from scalar results of a pattern stmt.
1678 2016-01-18  Jakub Jelinek  <jakub@redhat.com>
1680         * haifa-sched.c (autopref_multipass_init): Work around
1681         -Wmaybe-uninitialized warning.
1683 2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>
1685         * config/arm/arm.c (thumb1_reorg): Check that the comparison is
1686         against the constant 0.
1688 2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1690         PR tree-optimization/68799
1691         * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
1692         look up phi candidates in the statement-candidate map.
1693         (phi_add_costs): Likewise.
1694         (record_phi_increments): Likewise.
1695         (phi_incr_cost): Likewise.
1696         (ncd_with_phi): Likewise.
1697         (all_phi_incrs_profitable): Likewise.
1699 2016-01-17  Jakub Jelinek  <jakub@redhat.com>
1701         * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
1702         -Wmaybe-uninitialized warning.
1704 2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>
1706         * doc/invoke.texi (Invoking GCC): Add new section to menu.
1707         (Option Summary): Update to reflect new section and moved options.
1708         (C++ Dialect Options): Move -fvtable-verify and related options.
1709         (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
1710         and profiling-related options.
1711         (Optimization Options): Move profile generation options and
1712         -fstack-protector and related options.
1713         (Instrumentation Options): New section incorporating moved options.
1714         (Code Generation Options): Move -finstrument-functions and
1715         related options, -fstack-check, -fstack-limit*, and -fbounds-check.
1717 2016-01-16  Tom de Vries  <tom@codesourcery.com>
1719         * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.
1721 2016-01-16  Tom de Vries  <tom@codesourcery.com>
1723         * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.
1725 2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>
1727         * hash-table.h (hash_table::empty): Turn into an inline wrapper
1728         that checks whether the table is already empty.  Rename the
1729         original implementation to...
1730         (hash_table::empty_slot): ...this new private function.
1732 2016-01-15  David Malcolm  <dmalcolm@redhat.com>
1734         PR diagnostic/68899
1735         * diagnostic-show-locus.c (layout::print_source_line): Move x
1736         offset of line until after call to
1737         get_line_width_without_trailing_whitespace.
1739 2016-01-15  Jeff Law  <law@redhat.com>
1741         PR tree-optimization/69270
1742         * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
1743         tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
1744         * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
1745         * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
1746         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
1747         ssa_name_has_boolean_range and constant_boolean_node.
1749 2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>
1751         PR rtl-optimization/69030
1752         * lra-spills.c (remove_pseudos): Check nrefs and make the function
1753         returning bool.
1754         (spill_pseudos): Delete debug insn for dead pseudo.
1755         (lra_spill): Initiate spill_hard_reg and slots memory separately.
1757 2016-01-15  Jiong Wang  <jiong.wang@arm.com>
1759         * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
1760         New.
1761         (TYPES_UNOPUS): Likewise.
1762         * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
1763         builtin type, from UNOP to UNOPUS.
1764         (lbtruncuv4sf): Likewise.
1765         (lbtruncuv2df): Likewise.
1766         (lrounduv2sf): Likewise.
1767         (lrounduv4sf): Likewise.
1768         (lrounduv2df): Likewise.
1769         (lroundusf): Likewise.
1770         (lroundusf): Likewise.
1771         (lceiluv2sf): Likewise.
1772         (lceiluv4sf): Likewise.
1773         (lceiluv2df): Likewise.
1774         (lceilusf): Likewise.
1775         (lceiludf): Likewise.
1776         (lflooruv2sf): Likewise.
1777         (lflooruv4sf): Likewise.
1778         (lflooruv2df): Likewise.
1779         (lfloorusf): Likewise.
1780         (lfloorudf): Likewise.
1781         (lfrintnuv2sf): Likewise.
1782         (lfrintnuv4sf): Likewise.
1783         (lfrintnuv2df): Likewise.
1784         (lfrintnusf): Likewise.
1785         (lfrintnudf): Likewise.
1786         * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
1787         conversion.
1788         (vcvtq_u32_f32): Likewise.
1789         (vcvtq_u64_f64): Likewise.
1790         (vcvta_u32_f32): Likewise.
1791         (vcvtaq_u32_f32): Likewise.
1792         (vcvtaq_u64_f64): Likewise.
1793         (vcvtm_u32_f32): Likewise.
1794         (vcvtmq_u32_f32): Likewise.
1795         (vcvtmq_u64_f64): Likewise.
1796         (vcvtn_u32_f32): Likwise.
1797         (vcvtnq_u32_f32): Likewise.
1798         (vcvtnq_u64_f64): Likewise.
1799         (vcvtp_u32_f32): Likewise.
1800         (vcvtpq_u32_f32): Likewise.
1801         (vcvtpq_u64_f64): Likewise.
1802         (vcvtmd_u64_f64): Likewise.
1803         (vcvtms_u32_f32): Likewise.
1804         (vcvtad_u64_f64): Likewise.
1805         (vcvtas_u32_f32): Likewise.
1806         (vcvtnd_u64_f64): Likewise.
1807         (vcvtns_u32_f32): Likewise.
1808         (vcvtpd_u64_f64): Likewise.
1809         (vcvtps_u32_f32): Likewise.
1811 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1813         * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
1814         CSEL of zero_extended registers.
1816 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1818         * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
1819         Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.
1821 2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
1823         * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
1824         false when argument string is not found in the attributes table
1825         at all.
1827 2016-01-15  David Edelsohn  <dje.gcc@gmail.com>
1829         PR target/68609
1830         * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
1831         (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
1832         * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
1833         precision estimate.
1835 2016-01-15  Richard Biener  <rguenther@suse.de>
1837         PR tree-optimization/66856
1838         * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
1839         * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
1840         (vect_create_new_slp_node): Increment stmt reference count.
1841         (vect_get_and_check_slp_defs): Make sure stmts are nor already in
1842         an SLP tree before swapping operands.
1843         (vect_build_slp_tree): Likewise.
1844         (destroy_bb_vec_info): Free stmt info after SLP instances.
1845         * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
1846         * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
1847         (STMT_VINFO_NUM_SLP_USES): New macro.
1849 2016-01-15  Richard Biener  <rguenther@suse.de>
1851         PR debug/69137
1852         * dwarf2out.c (add_linkage_name_raw): New function split out from ...
1853         (add_linkage_name): ... here.
1854         (gen_typedef_die): Use add_linkage_name_raw instead of
1855         add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
1856         if necessary.
1858 2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>
1860         * gimplify.c (oacc_default_clause): Decode reference and pointer
1861         types for both kernels and parallel regions.
1863 2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>
1865         PR middle-end/69246
1866         * calls.c (emit_call_1): Force n_popped to zero for sibcalls.
1868 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
1870         * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
1871         (convert_scalars_to_vector): Likewise.
1873 2016-01-15  Jonathan Wakely  <jwakely@redhat.com>
1875         * doc/extend.texi (Type Traits): Fix grammar.
1877 2016-01-15  Martin Jambor  <mjambor@suse.cz>
1879         * tree-inline.c (remap_decl): Use existing dclarations if
1880         remapping a type and prevent_decl_creation_for_types.
1881         (replace_locals_stmt): Do an initial remapping of non-VLA typed
1882         decls first.  Do real remapping with
1883         prevent_decl_creation_for_types set.
1884         * tree-inline.h (copy_body_data): New field
1885         prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
1886         padding.
1888 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1890         * config/s390/s390.opt (mmvcle): More verbose help text.
1892 2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
1894         * config/s390/s390.opt: Add period to -mzvector option text.
1896 2016-01-15  Richard Biener  <rguenther@suse.de>
1898         PR tree-optimization/68961
1899         * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
1900         of invariants in stores again.
1902 2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>
1904         * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
1906 2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>
1908         * config/i386/i386.c (ix86_expand_branch): Don't split
1909         DI mode xor instruction to SI mode.
1911 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
1913         PR ipa/68148
1914         * ipa-icf.c (sem_function::merge): Virtual functions may become
1915         reachable even if they address is not taken and there are no
1916         idrect calls.
1918 2016-01-15  Jan Hubicka  <hubicka@ucw.cz>
1920         * lto-streamer-out.c (subtract_estimated_size): New function.
1921         (get_symbol_initial_value): Use it.
1923 2016-01-15  Christian Bruel  <christian.bruel@st.com>
1925         PR target/65837
1926         * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
1927         (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
1928         (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
1929         use add_builtin_function_ext_scope instead of add_builtin_function.
1930         (neon_set_p, neon_crypto_set_p): Remove.
1931         (arm_init_builtins): Always call arm_init_neon_builtins and
1932         arm_init_crypto_builtins.
1933         (arm_expand_builtin): Check that builtins are allowed for the arch.
1934         * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
1935         * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
1936         arm_init_neon_builtins call.
1938 2016-01-15  Richard Biener  <rguenther@suse.de>
1940         PR tree-optimization/69117
1941         * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
1942         * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
1943         of the leader conservatively.
1944         (free_scc_vn): Restore original SSA name infos.
1946 2016-01-14  Jeff Law  <law@redhat.com>
1948         PR tree-optimization/69270
1949         * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
1950         single bit of precision, verify it's also unsigned.
1951         (record_edge_info): Use constant_boolean_node rather than fold_convert
1952         to convert boolean_true/boolean_false to the right type.
1954 2016-01-14  Richard Henderson  <rth@redhat.com>
1956         PR rtl-opt/69014
1957         * loop-doloop.c (record_reg_sets): New.
1958         (doloop_optimize): Reject the transform if the sequence
1959         clobbers registers live at the end of the loop block.
1960         (doloop_optimize_loops): Enable df_live if needed.
1962 2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1964         * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
1965         * gcc/config/rs6000/rs6000.c: Likewise.
1966         * gcc/config/rs6000/rs6000.h: Likewise.
1967         * gcc/config/rs6000/rs6000.md: Likewise.
1968         * gcc/doc/extend.texi: Likewsie.
1970 2016-01-14  Jeff Law  <law@redhat.com>
1972         * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
1973         typo.
1975 2016-01-14  Richard Henderson  <rth@redhat.com>
1977         PR c/69272
1978         PR tree-opt/68964
1979         * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
1980         * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
1981         instead of builtin_decl_declared_p to test for declaration.
1983 2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>
1985         * doc/loop.texi (Loop Analysis and Representation): Document
1986         loop_depth function.
1988 2016-01-14  Tom de Vries  <tom@codesourcery.com>
1990         PR tree-optimization/68773
1991         * omp-low.c (expand_omp_target): Don't set force_output.
1992         * varpool.c (varpool_node::get_create): Same.
1993         * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
1994         offload_funcs with force_output.
1996 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
1998         PR debug/69244
1999         * lra-eliminations.c (move_plus_up): Don't change anything if either
2000         the outer or inner subreg mode is not MODE_INT.
2001         * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
2002         integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
2004 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
2006         * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
2007         reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
2008         reduc_uplus_@var{m}): Remove.
2009         * expr.c (expand_expr_real_2): Remove expansion path for
2010         reduc_[us](min|max|plus) optabs.
2011         * optabs-tree.c (scalar_reduc_to_vector): Remove.
2012         * optabs-tree.h (scalar_reduc_to_vector): Remove.
2013         * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
2014         reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
2015         * tree-vect-loop.c (vectorizable_reduction): Remove test for
2016         reduc_[us](min|max|plus) optabs.
2018 2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>
2020         * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
2021         (reduc_plus_scal_v2sf): New.
2022         (reduc_smax_v2sf): Rename to...
2023         (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
2024         (reduc_smin_v2sf): Rename to...
2025         (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.
2027 2016-01-14  Jan Hubicka  <hubicka@ucw.cz>
2029         * alias.c (compare_base_symbol_refs): New function.
2030         (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
2031         it.
2033 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
2035         PR middle-end/68146
2036         PR tree-optimization/69155
2037         * tree-complex.c: Include cfganal.h.
2038         (phis_to_revisit): New variable.
2039         (extract_component): Add phiarg_p argument.  Assert that returned
2040         SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
2041         (update_phi_components): Partly rewrite to use loop over real/imag
2042         components instead of code duplication.  If extract_component returns
2043         SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
2044         create_tmp_reg into the PHI node instead, and mention the phi triplet
2045         in phis_to_revisit.
2046         (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
2047         in phis_to_revisit at the end.
2049 2016-01-14  Richard Biener  <rguenther@suse.de>
2051         PR tree-optimization/68060
2052         * tree-vect-loop.c (vect_is_simple_reduction): Check the
2053         outer loop reduction is only used in the inner loop before
2054         detecting a double reduction.
2056 2016-01-14  Jakub Jelinek  <jakub@redhat.com>
2058         PR target/68269
2059         * combine.c (expand_field_assignment): Punt if compute_mode is
2060         unsupported scalar mode.
2062 2016-01-14  Richard Biener  <rguenther@suse.de>
2064         PR tree-optimization/66856
2065         * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
2066         SLP node only if it built successfully.
2067         (vect_analyze_slp_instance): Adjust.
2069 2016-01-14  Jeff Law  <law@redhat.com>
2071         PR tree-optimization/69270
2072         * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
2073         (record_edge_info): Use it.  Convert boolean_{true,false}_node
2074         to the type of op0.
2076 2016-01-13  Jan Hubicka  <hubicka@ucw.cz>
2078         PR ipa/66487
2079         * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
2080         use block_ultimate_origin
2081         (noncall-stmt_may_be_vtbl_ptr_store): Likewise.
2083 2016-01-13  Sandra Loosemore <sandra@codesourcery.com>
2085         * doc/invoke.texi (Submodel Options): Rename section to
2086         "Machine-Dependent Options" to better reflect its content.
2087         Rewrite introductory text to remove archaic CPU names.
2088         Update references.
2090 2016-01-13  Sandra Loosemore <sandra@codesourcery.com>
2092         * doc/invoke.texi (Code Gen Options): Move section up in file,
2093         before target-specific options.  Update menu and option summary
2094         to reflect the new section ordering.
2096 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
2098         * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
2099         (C++ Dialect Options): Add cross-reference to -std option.
2100         * doc/standards.texi (C++ Language): Document C++14 support.
2102 2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
2104         * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
2105         for pack/unpack functions for __ibm128.
2106         (PACK_IF): Likewise.
2107         (UNPACK_IF): Likewise.
2109         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
2110         support for __ibm128 pack/unpack functions.
2111         (rs6000_invalid_builtin): Likewise.
2112         (rs6000_init_builtins): Likewise.
2113         (rs6000_opt_masks): Likewise.
2115         * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
2116         (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
2117         functions
2118         (RS6000_BTM_COMMON): Likewise.
2120         * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
2121         (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
2122         disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
2123         128-bit floating point.  Add support for the double values to be
2124         in Altivec registers for TF/IF packing and unpacking, but restrict
2125         TD packing sub-fields to be FPR registers.  Don't allow overlapped
2126         register support for packing.  Allow pack inputs to be memory
2127         locations.  Don't build generator functions for unpack<mode>_dm
2128         and unpack<mode>_nodm.
2129         (unpack<mode>_dm): Likewise.
2130         (unpack<mode>_nodm): Likewise.
2131         (pack<mode>): Likewise.
2133         * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
2134         built-in functions to pack/unpack explicit __ibm128 values.
2135         (__builtin_unpack_ibm128): Likewise.
2137         * doc/extend.texi (PowerPC Built-in Functions): Document
2138         __builtin_pack_ibm128 and __builtin_unpack_ibm128.
2140 2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>
2142         PR c/66208
2143         * c-common.c (check_function_nonnull): Remove unnecessary declaration.
2144         Add new arg loc and pass it down as context.
2145         (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
2146         to the location to use for the warning.
2147         (check_function_arguments): New arg loc.  All callers changed.  Pass
2148         it to check_function_nonnull.
2149         * c-common.h (check_function_arguments): Adjust declaration.
2151 2016-01-13  Jakub Jelinek  <jakub@redhat.com>
2153         PR tree-optimization/69156
2154         * gimple.c (validate_type): Removed.
2155         (gimple_builtin_call_types_compatible_p): Use
2156         useless_type_conversion_p instead of validate_type.
2157         * value-prof.c (gimple_stringop_fixed_value): Fold
2158         icall_size to correct type.
2160 2016-01-13  Jonathan Wakely  <jwakely@redhat.com>
2162         * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
2163         effects.
2165 2016-01-13  Richard Henderson  <rth@redhat.com>
2167         PR tree-opt/68964
2168         * target.def (builtin_tm_load, builtin_tm_store): Remove.
2169         * config/i386/i386.c (ix86_builtin_tm_load): Remove.
2170         (ix86_builtin_tm_store): Remove.
2171         (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
2172         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
2173         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
2174         (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
2175         * doc/tm.texi: Rebuild.
2177         * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
2178         (BUILT_IN_TM_MEMCPY_RTWN): New.
2179         * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
2180         fallback from vector to integer helpers.
2181         (build_tm_load): Handle vector types directly, instead of
2182         via target hook.
2183         (build_tm_store): Likewise.
2184         (expand_assign_tm): Prepare for register types not handled by
2185         the above.  Copy them to memory and use memcpy.
2186         * tree.c (tm_define_builtin): New.
2187         (find_tm_vector_type): New.
2188         (build_tm_vector_builtins): New.
2189         (build_common_builtin_nodes): Call it.
2191 2016-01-13  Uros Bizjak  <ubizjak@gmail.com>
2193         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
2194         TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.
2196 2016-01-13  Tom de Vries  <tom@codesourcery.com>
2198         PR tree-optimization/69169
2199         * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
2200         handled_struct_type param.
2201         (create_variable_info_for, intra_create_variable_infos): Call
2202         create_variable_info_for_1 with extra arg.
2204 2016-01-13  Yvan Roux  <yvan.roux@linaro.org>
2206         * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
2207         and "armv8.1-a+crc" entries.
2209 2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>
2211         PR target/69228
2212         * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
2213         Change first operand predicate from register_or_constm1_operand
2214         to register_operand.
2215         (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
2216         (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
2217         (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
2218         (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
2219         (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
2220         (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
2221         (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
2222         * config/i386/i386.c (ix86_expand_builtin): Remove first operand
2223         comparison with constm1_rtx from vec_prefetch_gen part.
2225 2016-01-13  Richard Biener  <rguenther@suse.de>
2227         PR tree-optimization/69013
2228         * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
2229         Exchange assert for a test.
2231 2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2233         PR target/69247
2234         * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.
2236 2016-01-13  Richard Biener  <rguenther@suse.de>
2238         PR tree-optimization/69242
2239         * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
2240         assert with a check.
2242 2016-01-13  Richard Biener  <rguenther@suse.de>
2244         PR tree-optimization/69186
2245         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
2246         Properly guard vect_update_misalignment_for_peel call.
2248 2016-01-12  Jeff Law  <law@redhat.com>
2250         PR tree-optimization/pr67755
2251         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
2252         "need_profile_correction".
2253         (thread_block_1): Initialize new field to false by default.  If we
2254         have multiple thread paths through a common joiner to different
2255         final targets, then set new field to true.
2256         (compute_path_counts): Only do count adjustment when it's really
2257         needed.
2259 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
2261         * doc/invoke.texi (Spec Files): Move section down in file, past
2262         all command-line option descriptions.
2264 2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2266         PR middle-end/54809
2267         * doc/gty.texi: Remove documentation of mark_hook.
2268         * gengtype.c (struct write_types_data): Remove code to support
2269         mark_hook attribute.
2270         (walk_type): Likewise.
2271         (write_func_for_structure): Likewise.
2273 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
2275         * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
2276         Directory Options, and -specs= to Overall Options.
2277         (Overall Options): Adjust similarly.  Reorder to group related
2278         options together.  Make -specs= cross-reference the spec file details.
2279         (Directory Options): Adjust similarly.
2281 2016-01-12  Jeff Law  <law@redhat.com>
2283         * tree-ssa-threadupdate.c: Various whitespace and typo fixes.
2285 2016-01-12  Olivier Hainque  <hainque@adacore.com>
2287         * gcc.c (spec_undefvar_allowed): New global.
2288         (process_command): Set to true when running for --version or --help,
2289         alone or together.
2290         (getenv_spec_function): When the variable is not defined, use the
2291         variable name as the variable value if we're allowed not to issue
2292         a fatal error.
2294 2016-01-12  Bin Cheng  <bin.cheng@arm.com>
2296         PR tree-optimization/68911
2297         * tree-vrp.c (adjust_range_with_scev): Check overflow in range
2298         information computed for expression "init + nit * step".
2300 2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>
2302         * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
2303         about name of GCC executable.  Remove deleted node from menu.
2304         (Directory Options) <-B>: Remove cross-reference to deleted node.
2305         (Target Options): Delete section.
2307 2016-01-12  Christian Bruel  <christian.bruel@st.com>
2309         PR target/69180
2310         * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
2311         for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.
2313 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
2315         PR target/69198
2316         * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
2317         aligned_mem is properly set for AVX512-VL floating point masked
2318         stores.
2320         PR target/69175
2321         * ifcvt.c (cond_exec_process_if_block): When removing the last
2322         insn from then_bb, remove also any possible barriers that follow it.
2324 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
2326         PR target/68456
2327         PR target/69226
2328         * config/i386/iamcu.h (SIZE_TYPE): New macro.
2329         (PTRDIFF_TYPE): Likewise.
2330         (WCHAR_TYPE): Likewise.
2331         (WCHAR_TYPE_SIZE): Likewise.
2332         (STDINT_LONG32): Likewise.
2334 2016-01-12  Richard Biener  <rguenther@suse.de>
2336         PR tree-optimization/69053
2337         * tree-vect-loop.c (get_initial_def_for_reduction): Properly
2338         convert initial value for cond reductions.
2340 2016-01-12  Richard Biener  <rguenther@suse.de>
2342         PR tree-optimization/69007
2343         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
2344         widen_sum after dot_prod and sad.
2346 2016-01-12  Richard Biener  <rguenther@suse.de>
2348         PR tree-optimization/69168
2349         * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
2350         pattern stmt SLP type.
2351         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
2352         end up unused so cope with that case.
2354 2016-01-12  Richard Biener  <rguenther@suse.de>
2356         PR tree-optimization/69157
2357         * tree-vect-stmts.c (vectorizable_mask_load_store): Check
2358         stmts def type only during analyze phase.
2359         (vectorizable_call): Likewise.
2360         (vectorizable_simd_clone_call): Likewise.
2361         (vectorizable_conversion): Likewise.
2362         (vectorizable_assignment): Likewise.
2363         (vectorizable_shift): Likewise.
2364         (vectorizable_operation): Likewise.
2365         (vectorizable_store): Likewise.
2366         (vectorizable_load): Likewise.
2368 2016-01-12  Richard Biener  <rguenther@suse.de>
2370         PR tree-optimization/69174
2371         * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
2372         space.
2373         (vectorizable_load): Properly compute the number of loads needed
2374         for permuted strided SLP loads and do not spuriously assign
2375         to SLP_TREE_VEC_STMTS.
2377 2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>
2379         * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
2380         (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
2381         (MD_EXEC_PREFIX): Remove.
2382         (MD_STARTFILE_PREFIX) Removee.
2383         (FILE_NAME_ABSOLUTE_P): Remove.
2384         (CPP_SPEC): Do not read macros from sys/version.h.
2385         (LINK_COMMAND_SPEC): Remove.
2386         (LOCAL_INCLUDE_DIR): Remove.
2387         (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
2388         (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
2389         (POST_LINK_SPEC): Define to invoke stubify after linker
2390         (LIBSTDCXX): Remove define
2391         (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
2392         (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
2393         (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
2394         (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
2395         (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
2396         (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
2397         (i386_djgpp_asm_named_section): Add propotype of new procedure
2399         * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
2400         (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
2401         (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
2402         in config/i386/djgpp.h).
2403         (STANDARD_STARTFILE_PREFIX_2): Define identical to
2404         STANDARD_STARTFILE_PREFIX_1.
2405         (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
2406         (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
2407         installation errors.
2408         (MAX_OFILE_ALIGNMENT): Define to 128.
2409         (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.
2411         * config/i386/djgpp.c: New file. Add implementation of
2412         i386_djgpp_asm_named_section.
2414         * config/i386/djgpp.opt: Remove obsolete option -mbnu210.
2416         * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
2417         Add rule for building djgpp.o.
2419 2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2421         * config/rs6000/rs6000.c (v2df_reduction_p): New function.
2422         (rtx_is_swappable_p): Reductions are swappable.
2423         (insn_is_swappable_p): V2DF reductions are swappable.
2425 2016-01-11  John David Anglin  <danglin@gcc.gnu.org>
2427         * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
2428         reloads for other unsupported memory operands.
2430 2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
2431             Jim Wilson  <jim.wilson@linaro.org>
2433         PR target/69194
2434         * config/arm/arm-builtins.c (arm_expand_neon_args): Call
2435         copy_to_mode_reg instead of force_reg.
2437 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
2439         PR target/69225
2440         * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
2441         TARGET_80387 is true.
2443 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
2445         PR target/69071
2446         * lra-eliminations.c (move_plus_up): Only move plus up
2447         if subreg of the constant can be simplified into constant
2448         and use the simplified subreg of the constant instead of
2449         the original constant.
2451         * fold-const.c (fold_convertible_p): Don't return true
2452         for conversion of VECTOR_TYPE to same sized integral type.
2453         (fold_convert_loc): Fix up formatting.  Fold conversion of
2454         VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
2455         instead of NOP_EXPR.
2457         PR tree-optimization/69214
2458         * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
2459         innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
2460         Formatting fix.
2462         PR tree-optimization/69207
2463         * tree-vect-slp.c (vect_get_constant_vectors): For
2464         VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
2465         fold_convertible_p to vector_type's element type, and always
2466         use VCE for non-VECTOR_BOOLEAN_TYPE_P.
2468 2016-01-11  Richard Biener  <rguenther@suse.de>
2470         PR tree-optimization/69173
2471         * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
2472         fixup the cycle if all stmts are in a pattern.
2474 2016-01-11  Uros Bizjak  <ubizjak@gmail.com>
2476         PR middle-end/68999
2477         * alias.c (base_alias_check): Move check for addresses with
2478         alignment ANDs before the call for compare_base_decls.
2479         (memrefs_conflict_p): Return -1 for different decls
2480         that went through alignment adjustments.
2482 2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2484         PR rtl-optimization/68796
2485         * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
2486         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
2487         and QImode comparisons against zero with CC_NZmode.
2488         * config/aarch64/iterators.md (short_mask): New mode_attr.
2490 2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>
2492         * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
2493         (<avx512>_store<mode>_mask): Likewise.
2495 2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
2496             Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2498         PR rtl-optimization/68841
2499         * ifcvt.c (struct noce_if_info): Add orig_x field.
2500         (bbs_ok_for_cmove_arith): Add to_rename parameter.
2501         Don't record conflicts on to_rename if it's present.
2502         Allow memory destinations in sets.
2503         (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
2504         blocks, passing orig_x to the checks.
2505         (noce_process_if_block): Set if_info->orig_x appropriately.
2507 2016-01-11  Tom de Vries  <tom@codesourcery.com>
2509         PR tree-optimization/69069
2510         * tree-parloops.c (create_parallel_loop): Add missing phi args.
2512 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
2514         PR rtl-optimization/68920
2515         * config/i386/i386.c (ix86_option_override_internal): Restrict number
2516         of conditional moves for  RTL if-conversion to 1 for
2517         TARGET_ONE_IF_CONV_INSN.
2518         * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
2519         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
2520         * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
2521         parameter to restirct number of conditional moves for
2522         RTL if-conversion.
2523         * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
2524         * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
2525         conditionl moves.
2527 2016-01-11  Alexandre Oliva  <aoliva@redhat.com>
2529         PR bootstrap/69123
2530         * var-tracking.c (drop_overlapping_mem_locs): Operate on all
2531         onepart vars.  Fix typo in comment.  Fix reversed condition in
2532         unshare test.
2533         (dataflow_set_remove_mem_locs): Operate on all onepart vars.
2535         PR bootstrap/69123
2536         * var-tracking.c (dump_onepart_variable_differences): New.
2537         (dataflow_set_different): If a detailed dump is requested,
2538         delay early returns and dump differences between onepart
2539         variables present before and after, and added variables.
2541 2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
2543         PR target/69010
2544         * expr.c (expand_expr_real_1): For boolean vector constants
2545         with a scalar mode use const_scalar_mask_from_tree.
2546         (const_scalar_mask_from_tree): New.
2547         * optabs.c (expand_vec_cond_mask_expr): Use mask mode
2548         assigned to a mask type to handle constants.
2550 2016-01-11  Martin Jambor  <mjambor@suse.cz>
2552         PR ipa/69044
2553         * ipa-cp.c (estimate_local_effects): Do not clone for removal of
2554         useless parameters if we cannot change function signature.
2556 2016-01-11  Martin Jambor  <mjambor@suse.cz>
2558         PR ipa/66616
2559         * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
2560         flag.
2562 2016-01-11  Tom de Vries  <tom@codesourcery.com>
2564         PR tree-optimization/69109
2565         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
2566         latch with phi.
2568 2016-01-11  Tom de Vries  <tom@codesourcery.com>
2570         PR tree-optimization/69108
2571         * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
2572         res is not used in a phi.
2574 2016-01-11  Yury Gribov  <y.gribov@samsung.com>
2576         PR 67425
2577         * common.opt (frandom-seed): Fix parameter name.
2578         * doc/invoke.texi (frandom-seed): Ditto and describe parameter.
2580 2016-01-11  Tom de Vries  <tom@codesourcery.com>
2582         PR tree-optimization/69058
2583         * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
2584         not supported.
2586 2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>
2588         * config/arc/arc.opt (mdiv-rem): Add period to the end.
2589         (mcode-density): Likewise.
2591 2016-01-10  Tom de Vries  <tom@codesourcery.com>
2593         PR tree-optimization/69062
2594         * tree-parloops.c (loop_has_phi_with_address_arg): New function.
2595         (parallelize_loops): Don't paralelize loop that has phi with address
2596         arg.
2598 2016-01-10  Tom de Vries  <tom@codesourcery.com>
2600         PR tree-optimization/69039
2601         * tree-parloops.c (try_create_reduction_list): Only allow single exit
2602         phi for reduction.
2604 2016-01-09  John David Anglin  <danglin@gcc.gnu.org>
2606         PR middle-end/68743
2607         * match.pd: Require target has function_c99_misc before doing
2608         truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.
2610 2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>
2612         * configure.ac (isl_options_set_schedule_serialize_sccs): Also
2613         use GMPINC.
2614         * configure: Regenerate.
2616 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
2618         PR middle-end/50865
2619         PR tree-optimization/69097
2620         * fold-const.h (expr_not_equal_to): New prototype.
2621         * fold-const.c: Include stringpool.h and tree-ssanames.h.
2622         (expr_not_equal_to): New function.
2623         * match.pd (X % -Y is the same as X % Y): Don't optimize
2624         unless X is known not to be equal to minimum or Y is known
2625         not to be equal to -1.
2626         * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
2627         fold TRUNC_MOD_EXPR if the second argument is not a power of two.
2628         (simplify_stmt_using_ranges): Adjust caller.
2629         (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
2630         substitute_and_fold.
2632 2016-01-09  Jan Hubicka  <hubicka@ucw.cz>
2634         * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
2635         w/o DECL_NAME.
2637 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
2639         PR tree-optimization/69167
2640         * gimple-fold.c (replace_stmt_with_simplification): Also punt if
2641         new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
2642         ops[0] comparison.
2643         * gimple-match-head.c (maybe_push_res_to_seq): Likewise.
2645 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
2646             Richard Biener  <rguenther@suse.de>
2648         PR tree-optimization/68707
2649         * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
2650         instances that can be handled via vect_load_lanes.
2652 2016-01-08  Uros Bizjak  <ubizjak@gmail.com>
2654         * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
2655         if we can't determine address equivalence.
2656         * alias.c (compare_base_decl): Update for changed return value of
2657         symtab_node::equal_address_to.
2659 2016-01-08  Jason Merrill  <jason@redhat.com>
2661         PR c++/68983
2662         PR c++/67557
2663         * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
2664         * expr.c (store_field): Not here.
2665         * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
2666         call with TREE_ADDRESSABLE type.
2667         * tree-cfg.c (verify_gimple_call): Adjust.
2669 2016-01-08  Olivier Hainque  <hainque@adacore.com>
2671         * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
2672         libc_internal.
2674 2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
2676         * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
2677         (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
2678         (reduc_smin_v2sf): Rename to...
2679         (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
2680         (reduc_splus_v2sf): Rename to...
2681         (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.
2683 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
2685         PR tree-optimization/69162
2686         * gimplify.c (gimplify_va_arg_expr): Encode original type of
2687         valist argument in another argument.
2688         (gimplify_modify_expr): Adjust for the above change.  Cleanup.
2689         * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
2690         to determine the va_list type, build a MEM_REF instead of
2691         build_fold_indirect_ref.
2693         PR tree-optimization/69172
2694         * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
2695         gimple_build.
2697 2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2699         PR tree-optimization/67781
2700         * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
2701         and cmpnop in two steps: first the ones not accessed in original
2702         gimple expression in a endian independent way and then the ones not
2703         accessed in the final result in an endian-specific way.
2705 2016-01-08  Jakub Jelinek  <jakub@redhat.com>
2707         PR tree-optimization/69083
2708         * tree-vect-slp.c (vect_get_constant_vectors): For
2709         VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
2710         element type.  If op is fold_convertible_p to vector_type's element
2711         type, use NOP_EXPR instead of VCE.
2713 2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>
2715         PR rtl-optimization/67778
2716         PR rtl-optimization/68634
2717         PR rtl-optimization/68909
2718         * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
2719         block from the stack until done with it.  Remove a superfluous
2720         bitmap set.  Remove a superfluous bitmap test.
2722 2016-01-07  Martin Sebor  <msebor@redhat.com>
2724         PR c/68966
2725         * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
2726         constraint on the type of arguments.
2728 2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>
2730         * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
2731         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
2732         unaligned_access on the gcc_options set.
2733         * config/arm/arm.c (arm_option_override_internal): Use
2734         SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.
2736 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
2738         PR target/69140
2739         * config/i386/i386.c (ix86_frame_pointer_required): Enable
2740         frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.
2742 2016-01-07  Uros Bizjak  <ubizjak@gmail.com>
2744         Revert
2745         2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
2747         PR target/69140
2748         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
2749         depending on frame_pointer_needed before remaining integer and SSE
2750         registers are saved.
2752 2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>
2754         PR 1078
2755         * doc/extend.texi (Nvidia PDX Function Attributes): New section.
2757 2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2759         PR target/69171
2760         * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
2761         Use the "xBm" constraint.
2762         (float<sseintvecmodelower><mode>2<mask_name><round_name):
2763         Likewise.
2764         (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
2765         (sse_cvtsi2ssq<round_name>): Likewise.
2766         (sse_cvtss2si<round_name>): Likewise.
2767         (sse_cvtss2siq<round_name>): Likewise.
2768         (sse2_cvtsi2sdq<round_name>): Likewise.
2769         (sse2_cvtsd2si<round_name>): Likewise.
2770         (sse2_cvtsd2siq<round_name>): Likewise.
2771         * config/i386/subst.md (round_nimm_scalar_predicate): New
2772         predicate.
2774 2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>
2776         PR middle-end/67639
2777         * varasm.c (make_decl_rtl): Mark invalid register vars as
2778         DECL_EXTERNAL.
2780         PR rtl-optimization/66206
2781         * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
2782         All callers changed.
2784 2016-01-07  Jakub Jelinek  <jakub@redhat.com>
2786         PR tree-optimization/69141
2787         * tree-ssa-pre.c: Include langhooks.h.
2788         (eliminate_dom_walker::before_dom_children): Use
2789         lang_hooks.decl_printable_name instead of
2790         cgraph_node::get ()->name ().
2792         PR middle-end/68960
2793         * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
2794         it and DECL_ALIGN too.
2796 2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>
2798         * config/mips/mips-ftypes.def: Sort to lexicographical order.
2800 2016-01-06  Uros Bizjak  <ubizjak@gmail.com>
2802         PR target/69140
2803         * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
2804         depending on frame_pointer_needed before remaining integer and SSE
2805         registers are saved.
2807 2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2809         * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
2810         mode iterator with VSX_M2.
2811         (*p9_vecstore_<mode>): Likewise.
2812         (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
2813         (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
2814         (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
2815         (define_split for VSX_LE128 stores): Likewise.
2816         (define_peephole2 for TImode LE swaps): Likewise.
2817         (define_split for VSX_LE128 post-reload stores): Likewise.
2819 2016-01-06  Marek Polacek  <polacek@redhat.com>
2821         PR sanitizer/69099
2822         * convert.c (convert_to_integer_1): Adjust call to
2823         ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
2824         * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
2825         EXPR instead of ARG.
2826         * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.
2828 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
2830         PR 1078
2831         * doc/extend.texi (RL78 Variable Attributes): New section.
2833 2016-01-05  Marek Polacek  <polacek@redhat.com>
2835         PR c/69104
2836         * builtins.c (get_memmodel): Use expansion point location rather than
2837         the input location.  Call warning_at rather than warning.
2838         (expand_builtin_atomic_compare_exchange): Likewise.
2839         (expand_builtin_atomic_load): Likewise.
2840         (expand_builtin_atomic_store): Likewise.
2841         (expand_builtin_atomic_clear): Likewise.
2843 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
2845         PR target/68991
2846         * config/i386/i386.c (ix86_expand_vector_logical_operator):
2847         Replace nonimmediate_operand with vector_operand.
2848         * config/i386/predicates.md (vector_operand): New predicate.
2849         (general_vector_operand): Replace nonimmediate_operand with
2850         vector_operand.
2851         * config/i386/sse.md: Replace nonimmediate_operand with
2852         vector_operand and m constraint with Bm constraint on SSE
2853         patterns with 16-byte memory operand.
2854         * config/i386/subst.md (round_nimm_predicate): Replace
2855         nonimmediate_operand with vector_operand.
2856         (round_saeonly_nimm_predicate): Likewise.
2857         (round_saeonly_nimm_scalar_predicate): New.
2859 2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>
2861         PR target/68991
2862         * config/i386/constraints.md (Bm): New constraint.
2863         * config/i386/predicates.md (vector_memory_operand): New
2864         predicate.
2865         * config/i386/sse.md: Replace xm with xBm in plusminus and
2866         any_logic patterns.
2868 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
2870         PR 1078
2871         * doc/extend.texi (V850 Function Attributes): New section.
2872         (V850 Variable Attributes): New section.
2874 2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>
2876         PR 1078
2877         * doc/extend.texi (MicroBlaze Function Attributes): Document
2878         interrupt_handler and fast_interrupt attributes.
2880 2016-01-05  Sergei Trofimovich  <siarheit@google.com>
2882         PR other/60465
2883         * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
2884         for local symbolic operands.
2885         * config/ia64/predicates.md (local_symbolic_operand64): New
2886         predicate.
2888 2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
2890         PR rtl-optimization/68651
2891         * combine.c (combine_simplify_rtx): Canonicalize x + x into
2892         x << 1.
2894 2016-01-05  Nathan Sidwell  <nathan@acm.org>
2896         * alias.c (compare_base_decls): Use symtab_node::get.
2898 2016-01-05  Nick Clifton  <nickc@redhat.com>
2900         PR target/68770
2901         * ira-costs.c (copy_cost): Initialise the t_icode field of the
2902         secondary_reload_info structure.
2904         PR target/66655
2905         * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
2906         decls if weak support is available.
2908 2016-01-04  Martin Sebor  <msebor@redhat.com>
2910         * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.
2912 2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
2914         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
2915         OPTION_MASK_P9_DFORM.
2917         * config/rs6000/constraints.md (wo constraint): New constraint for
2918         ISA 3.0 (power9).
2920         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
2921         for wo constraint.
2922         (rs6000_init_hard_regno_mode_ok): Likewise.
2924         * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
2925         wo constraint.
2927         * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
2928         expanders not to have constraints.  Add support for ISA 3.0 xxperm
2929         instruction.  Add support for fusing xxlor with xxperm.
2930         (altivec_vperm_<mode>_internal): Likewise.
2931         (altivec_vperm_v8hiv16qi): Likewise.
2932         (altivec_vperm_<mode>v16q): Likewise.
2933         (altivec_vperm_<mode>_uns): Likewise.
2934         (vperm_v8hiv4si): Likewise.
2935         (vperm_v16qiv8hi): Likewise.
2937         * doc/md.texi (RS/6000 constraints): Document wo constraint.
2939 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
2941         Update copyright years.
2943         * gcc.c (process_command): Update copyright notice dates.
2944         * gcov-dump.c (print_version): Ditto.
2945         * gcov.c (print_version): Ditto.
2946         * gcov-tool.c (print_version): Ditto.
2947         * gengtype.c (create_file): Ditto.
2948         * doc/cpp.texi: Bump @copying's copyright year.
2949         * doc/cppinternals.texi: Ditto.
2950         * doc/gcc.texi: Ditto.
2951         * doc/gccint.texi: Ditto.
2952         * doc/gcov.texi: Ditto.
2953         * doc/install.texi: Ditto.
2954         * doc/invoke.texi: Ditto.
2956 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2958         * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
2959         modes larger than TImode as TImode if NEON is not enabled.
2961 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2963         PR target/69100
2964         * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
2965         mode for %f0-%f31 only if TARGET_FPU.
2967 2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2969         PR target/69072
2970         * config/sparc/sparc.c (scan_record_type): Take into account subfields
2971         to compute the PACKED_P predicate.
2972         (function_arg_record_value): Minor tweaks.
2974 2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
2976         * doc/install.texi (--with-multilib-list): Describe the meaning of the
2977         option for arm*-*-* targets.
2979 2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>
2981         * doc/extend.texi (Common Function Attributes): Move docs for
2982         MSP430-specific attributes to....
2983         (MSP430 Function Attributes): ...here.  Delete the redundant
2984         entries and copy-edit the remaining text.
2985         (MSP430 Variable Attributes): Use uniform format for index
2986         entries and add a cross-reference to the corresponding function
2987         attribute docs.
2989 2016-01-03  Vladimír Čunát  <vcunat@gmail.com>
2991         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
2992         -finite-math typo.
2993         (x86 Options): Likewise.
2995 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
2997         PR 1078
2999         * extend.texi (Common Function Attributes) <no_stack_limit>: New.
3000         * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
3001         to corresponding attribute.
3003 2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>
3005         * doc/extend.texi (Common Function Attributes) <noplt>: Move
3006         to correct alphabetization of table.  Copy-edit and correct
3007         markup.
3008         <stack_protect>: Likewise.
3009         <target_clones>: Likewise.
3010         <simd>: Likewise.
3011         * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
3012         Correct punctuation.
3013         (Code Gen Options) <-fno-plt>: Copy-edit.
3015 2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3017         PR target/68917
3018         * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
3019         SI values.  Explicitly convert SI to DI and vice-versa.
3021 2016-01-01  Jakub Jelinek  <jakub@redhat.com>
3023         PR tree-optimization/69070
3024         * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
3025         REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.
3027         PR sanitizer/69055
3028         * ubsan.c (ubsan_instrument_float_cast): Call
3029         initialize_sanitizer_builtins.
3031         PR target/69015
3032         * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
3034 Copyright (C) 2016 Free Software Foundation, Inc.
3036 Copying and distribution of this file, with or without modification,
3037 are permitted in any medium without royalty provided the copyright
3038 notice and this notice are preserved.