Merge BUILT_IN_GOACC_HOST_DATA into BUILT_IN_GOACC_DATA_START

[thirdparty/gcc.git] / gcc / ChangeLog

2016-02-02  Thomas Schwinge  <thomas@codesourcery.com>

        * omp-builtins.def (BUILT_IN_GOACC_HOST_DATA): Remove.
        * omp-low.c (expand_omp_target): Use BUILT_IN_GOACC_DATA_START
        instead.

2016-02-02  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69606
        * tree-ssa-math-opts.c (bswap_replace): Clear flow sensitive
        info on the result before moving a stmt.

2016-02-02  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR middle-end/68542
        * config/i386/i386.c (ix86_expand_branch): Add support for conditional
        branch with vector comparison.
        * config/i386/sse.md (VI48_AVX): New mode iterator.
        (define_expand "cbranch<mode>4): Add support for conditional branch
        with vector comparison.
        * tree-vect-loop.c (optimize_mask_stores): New function.
        * tree-vect-stmts.c (vectorizable_mask_load_store): Initialize
        has_mask_store field of vect_info.
        * tree-vectorizer.c (vectorize_loops): Invoke optimaze_mask_stores for
        vectorized loops having masked stores after vec_info destroy.
        * tree-vectorizer.h (loop_vec_info): Add new has_mask_store field and
        correspondent macros.
        (optimize_mask_stores): Add prototype.

2016-02-02  Alan Modra  <amodra@gmail.com>

        PR target/69548
        * config/rs6000/predicates.md (quad_int_reg_operand): Don't
        allow subregs.

2016-02-02  Alan Modra  <amodra@gmail.com>

        PR target/68662
        * config/rs6000/rs6000.c (need_toc_init): New var, set it
        whenever toc_label_name used.
        (rs6000_file_start): Don't set up toc section here,
        (rs6000_output_function_epilogue): do so here instead,
        (rs6000_xcoff_file_start): and here.
        * config/rs6000/rs6000.md (load_toc_aix_si): Set need_toc_init.
        (load_toc_aix_di): Likewise.

2016-02-01  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/69592
        * rtlanal.c (nonzero_bits_binary_arith_p): New inline function.
        (cached_nonzero_bits): Use it instead of ARITHMETIC_P.
        (num_sign_bit_copies_binary_arith_p): New inline function.
        (cached_num_sign_bit_copies): Use it instead of ARITHMETIC_P.

2016-02-01  Jeff Law  <law@redhat.com>

        PR tree-optimization/69580
        * params.def (FSM_MAXIMUM_PHI_ARGUMENTS): New param.
        * tree-ssa-threadbackward.c
        (fsm_find_control_statement_thread_paths): Do not try to walk
        through large PHI nodes.

2016-02-01  Jakub Jelinek  <jakub@redhat.com>

        * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return false
        when count is incremented above limit, don't analyze further
        insns afterwards.

        * omp-low.c (oacc_parse_default_dims): Avoid
        -Wsign-compare warning, make sure value fits into int
        rather than just unsigned int.

2016-02-01  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/67921
        * fold-const.c (split_tree): New parameters.  Convert pointer
        type variable part to proper type before negating. 
        (fold_binary_loc): Pass new arguments to split_tree.

2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>

        * config/nvptx/nvptx.c (PTX_GANG_DEFAULT): New.
        (nvptx_goacc_validate_dims): Extend to handle global defaults.
        * target.def (OACC_VALIDATE_DIMS): Extend documentation.
        * doc/tm.texti: Rebuilt.
        * doc/invoke.texi (fopenacc-dim): Document.
        * lto-wrapper.c (merge_and_complain): Add OPT_fopenacc_dim_ case.
        (append_compiler_options): Likewise.
        * omp-low.c (oacc_default_dims, oacc_min_dims): New.
        (oacc_parse_default_dims): New.
        (oacc_validate_dims): Add USED arg.  Select non-unity default when
        possible.
        (oacc_loop_fixed_partitions): Return mask of used partitions.
        (oacc_loop_auto_partitions): Emit dump info.
        (oacc_loop_partition): Return mask of used partitions.
        (execute_oacc_device_lower): Parse default dimension arg.  Adjust
        loop partitioning and validation calls.

2016-02-01  Richard Biener  <rguenther@suse.de>

        PR middle-end/69556
        * match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.

2016-02-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69574
        * tree-chrec.c (hide_evolution_in_other_loops_than_loop): Instead
        of asserting return chrec_dont_know.

2016-02-01  Martin Liska  <mliska@suse.cz>

        * mem-stats-traits.h: Add copyright header.
        * mem-stats.h: Likewise.

2016-02-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69579
        * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
        Do not propagate through abnormal PHI results.

2016-02-01  Eric Botcazou  <ebotcazou@adacore.com>

        * postreload.c (reload_cse_simplify): Remove dead code.

2016-02-01  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/69570
        * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Return true only
        if there is more than one set, not if there is a single set.

2016-02-01  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/69535
        * combine.c (make_compound_operation): When looking through a
        subreg, make sure to re-extend to the width of the outer mode.

2016-01-30  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69546
        * wide-int.cc (wi::divmod_internal): For unsigned division
        where both operands fit into uhwi, if o1 is 1 and o0 has
        msb set, if divident_prec is larger than bits per hwi,
        clear another quotient word and return 2 instead of 1.
        Similarly for remainder with msb in HWI set, if dividend_prec
        is larger than bits per hwi.

2016-01-29  Martin Jambor  <mjambor@suse.cz>

        * hsa-gen.c (get_memory_order_name): Mask with MEMMODEL_BASE_MASK.
        Use short lowercase names.
        (get_memory_order): Mask with MEMMODEL_BASE_MASK.  Support
        MEMMODEL_CONSUME with acquire semantics and MEMMODEL_SEQ_CST with
        acq_rel one.  Protect warning agains segfaults if
        get_memory_order_name returns NULL.
        (gen_hsa_ternary_atomic_for_builtin): Support with MEMMODEL_SEQ_CST
        with release semantics.  Do not warn if get_memory_order already did.
        (gen_hsa_insns_for_call): Support with MEMMODEL_SEQ_CST with acquire
        semantics.  Fix check for relaxed or acquire semantics.  Do not warn
        if get_memory_order already did.

2016-01-29  Sebastian Pop  <s.pop@samsung.com>

        * doc/install.texi: Document that isl-0.16 is supported.

2016-01-29  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/69299
        * config/i386/constraints.md (Bm): Describe as special memory
        constraint.
        * doc/md.texi (DEFINE_SPECIAL_MEMORY_CONSTRAINT): Describe it.
        * genoutput.c (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
        * genpreds.c (struct constraint_data): Add is_special_memory.
        (have_special_memory_constraints, special_memory_start): New
        static vars.
        (special_memory_end): Ditto.
        (add_constraint): Add new arg is_special_memory.  Add code to
        process its true value.  Update have_special_memory_constraints.
        (process_define_constraint): Pass the new arg.
        (process_define_register_constraint): Ditto.
        (choose_enum_order): Process special memory.
        (write_tm_preds_h): Generate enum const CT_SPECIAL_MEMORY and
        function insn_extra_special_memory_constraint.
        (main): Process DEFINE_SPECIAL_MEMORY_CONSTRAINT.
        * gensupport.c (process_rtx): Process
        DEFINE_SPECIAL_MEMORY_CONSTRAINT.
        * ira-costs.c (record_reg_classes): Process CT_SPECIAL_MEMORY.
        * ira-lives.c (single_reg_class): Use
        insn_extra_special_memory_constraint.
        * ira.c (ira_setup_alts): Process CT_SPECIAL_MEMORY.
        * lra-constraints.c (process_alt_operands): Ditto.
        (curr_insn_transform): Use insn_extra_special_memory_constraint.
        * recog.c (asm_operand_ok, preprocess_constraints): Process
        CT_SPECIAL_MEMORY.
        * reload.c (find_reloads): Ditto.
        * rtl.def (DEFINE_SPECIFAL_MEMORY_CONSTRAINT): New.
        * stmt.c (parse_input_constraint): Use
        insn_extra_special_memory_constraint.

2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/69530
        * lra-splill.c (lra_final_code_change): Revert r229087 by
        removing all sub-registers.

2016-01-29  Steve Ellcey  <sellcey@imgtec.com>

        PR target/65604
        * config/mips/mips.c (mips_output_division): Check flag_delayed_branch.

2016-01-29  Jakub Jelinek  <jakub@redhat.com>

        PR target/69551
        * config/i386/i386.c (ix86_expand_vector_set) <case V4SImode>: For
        SSE1, copy target into the temporary reg first before recursing
        on it.

2016-01-29  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (sse2_cvtps2pd<mask_name>): Replace vBm
        with vm.

2016-01-29  Jonathan Wakely  <jwakely@redhat.com>

        * ginclude/stdarg.h: Test __cplusplus instead of
        __GXX_EXPERIMENTAL_CXX0X__.

2016-01-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69547
        * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
        Do not mark clobbers necessary.
        (mark_all_reaching_defs_necessary_1): Likewise.

2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Format
        declaration name with %qs and print it in both error messages.
        Also fix indentation.

2016-01-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        PR other/69006
        * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Remove
        trailing blank line from error message.

2016-01-29  Jonathan Wakely  <jwakely@redhat.com>

        PR c++/69462
        * ginclude/float.h: Also provide FLT_EVAL_METHOD and DECIMAL_DIG
        for C++-11.

2016-01-29  Richard Biener  <rguenther@suse.de>

        PR middle-end/69537
        * match.pd: Allow all integral types when simplifying a
        widening or sign-changing conversion.

2016-01-28  Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Revert assert
        back to setting codegen_error to fail codegen.

2016-01-28  Uros Bizjak  <ubizjak@gmail.com>

        PR target/69459
        * config/i386/constraints.md (C): Only accept constant zero operand.
        (BC): New constraint.
        * config/i386/sse.md (*mov<mode>_internal): Use BC constraint
        instead of C constraint.
        * doc/md.texi (Machine Constraints): Update description
        of C constraint.

2016-01-28  Steve Ellcey  <sellcey@imgtec.com>

        PR target/68400
        * config/mips/mips.c (and_operands_ok): Add MIPS16 check.

2016-01-28  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/69542
        * lra-remat.c (calculate_local_reg_remat_bb_data): Only consider
        non-debug insns.

2016-01-28  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/rs6000.c (output_cbranch): Don't statically predict
        branches if using guessed profile.

2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>

        * graphite-optimize-isl.c (optimize_isl): Fix dump.

2016-01-28  Richard Henderson  <rth@redhat.com>

        PR target/69305
        * config/aarch64/aarch64-modes.def (CC_Cmode): New
        * config/aarch64/aarch64-protos.h: Update.
        * config/aarch64/aarch64.c (aarch64_zero_extend_const_eq): New.
        (aarch64_select_cc_mode): Add check for use of CC_Cmode.
        (aarch64_get_condition_code_1): Handle CC_Cmode.
        * config/aarch64/aarch64.md (addti3): Use adddi3_compareC.
        (*add<mode>3_compareC_cconly_imm): New.
        (*add<mode>3_compareC_cconly): New.
        (*add<mode>3_compareC_imm): New.
        (add<mode>3_compareC): New.
        (add<mode>3_carryin, *addsi3_carryin_uxtw): Sort compare operand
        to be first.  Use aarch64_carry_operation.
        (*add<mode>3_carryin_alt1, *addsi3_carryin_alt1_uxtw): Remove.
        (*add<mode>3_carryin_alt2, *addsi3_carryin_alt2_uxtw): Remove.
        (*add<mode>3_carryin_alt3, *addsi3_carryin_alt3_uxtw): Remove.
        (subti3): Use subdi3_compare1.
        (*sub<mode>3_compare0): Rename from sub<mode>3_compare0.
        (sub<mode>3_compare1): New.
        (*sub<mode>3_carryin0, *subsi3_carryin_uxtw): New.
        (*sub<mode>3_carryin): Use aarch64_borrow_operation.
        (*subsi3_carryin_uxtw): Likewise.
        (*ngc<mode>, *ngcsi_uxtw): Likewise.
        (*sub<mode>3_carryin_alt, *subsi3_carryin_alt_uxtw): New.
        * config/aarch64/iterators.md (DWI): New.
        * config/aarch64/predicates.md (aarch64_carry_operation): New.
        (aarch64_borrow_operation): New.

2016-01-28  Abderrazek Zaafrani  <a.zaafrani@samsung.com>

        * graphite-optimize-isl.c (optimize_isl): Print a different debug
        message when isl does not return a valid schedule.

2016-01-28  Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (class translate_isl_ast_to_gimple):
        Remove comments from class declarations: they are already in the code
        close by the defs.

2016-01-28  Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (binary_op_to_tree): Call
        codegen_error_p.
        (ternary_op_to_tree): Same.
        (unary_op_to_tree): Same.
        (nary_op_to_tree): Same.
        (gcc_expression_from_isl_expr_op): Same.
        (gcc_expression_from_isl_expression): Same.
        (graphite_create_new_loop): Same.
        (graphite_create_new_loop_guard): Same.
        (build_iv_mapping): Same.
        (graphite_create_new_guard): Same.
        (translate_isl_ast_to_gimple::copy_loop_phi_nodes): Same.
        (translate_isl_ast_to_gimple::translate_pending_phi_nodes): Same.

2016-01-28  Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (get_rename_from_scev): Assert
        instead of setting codegen_error to fail codegen.

2016-01-28  Jason Merrill  <jason@redhat.com>

        * tree.h (BINFO_FLAG_0): Rename from BINFO_MARKED.

2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (aarch64_if_then_else_costs):
        Remove CONST_INT_P check in CCMP cost calculation.

2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (generic_vector_cost):
        Set vec_permute_cost.
        (cortexa57_vector_cost): Likewise.
        (exynosm1_vector_cost): Likewise.
        (xgene1_vector_cost): Likewise.
        (aarch64_builtin_vectorization_cost): Use vec_permute_cost.
        * config/aarch64/aarch64-protos.h (cpu_vector_cost):
        Add vec_permute_cost entry.

2016-01-28  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.md (ccmp<mode>): Disassemble
        immediate as %1.
        (add<mode>3_compare0): Likewise.
        (addsi3_compare0_uxtw): Likewise.
        (add<mode>3nr_compare0): Likewise.
        (compare_neg<mode>): Likewise.
        (<optab><mode>3): Likewise.

2016-01-28  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * tree-vect-stmts.c (vectorizable_comparison): Add
        NULL check for vectype.

2016-01-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69466
        * tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
        Account for PHIs we couldn't duplicate.

2016-01-28  Martin Liska  <mliska@suse.cz>

        PR pch/68758
        * ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
        instead of ENABLE_VALGRIND_CHECKING.

2016-01-27  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/69447
        * lra-remat.c (subreg_regs): New.
        (dump_candidates_and_remat_bb_data): Dump it.
        (operand_to_remat): Reject if operand in subreg_regs.
        (set_bb_regs): Collect subreg_regs.
        (lra_remat): Init and free subreg_regs.  Compute
        calculate_local_reg_remat_bb_data before create_cands.

2016-01-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/68986
        * config/i386/i386.c (ix86_update_stack_boundary): Don't
        change stack_alignment_needed for __tls_get_addr call.

2016-01-27  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (print_operand): Rollback 's' removal.

2016-01-27  Jeff Law  <law@redhat.com>

        PR tree-optimization/68398
        PR tree-optimization/69196
        * params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
        (PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
        * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
        Only count PHIs in the last block in the path.  The others will
        const/copy propagate away.  Add heuristic to allow more irreducible
        subloops to be created when it is likely profitable to do so.

        * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
        Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
        check from within the loop.  Use gsi_next_nondebug rather than gsi_next.

2016-01-27  Jakub Jelinek  <jakub@redhat.com>

        PR lto/69254
        * sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
        END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
        * asan.c (DEF_BUILTIN_STUB): Temporarily define.
        * tree-streamer-in.c: Include asan.h.
        (streamer_get_builtin_tree): For builtins in sanitizer
        range call initialize_sanitizer_builtins and retry.

2016-01-27  Ian Lance Taylor  <iant@google.com>

        * common.opt (fkeep-gc-roots-live): New undocumented option.
        * tree-ssa-loop-ivopts.c (add_candidate_1): If
        -fkeep-gc-roots-live, skip pointers.
        (add_iv_candidate_for_biv): Handle add_candidate_1 returning
        NULL.

2016-01-27  Uros Bizjak  <ubizjak@gmail.com>

        PR target/69512
        * config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
        (*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.

2016-01-27  Thomas Klausner  <wiz@NetBSD.org>

        PR target/68380
        * configure.ac: NetBSD provides SSP in its C library.
        * configure: Updated.

2016-01-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69166
        * tree-vect-loop.c (vect_is_simple_reduction): Always check
        reduction code for commutativity / associativity.

2016-01-27  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/69355
        * tree-sra.c (analyze_access_subtree): Correct hole detection when
        total_scalarization fails.

2016-01-27  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
        power9.

2016-01-27  Christian Bruel  <christian.bruel@st.com>

        PR target/69245
        * config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
        Move arm_reset_previous_fndecl and set_target_option_current_node in
        the conditional part.  Call save_restore_target_globals.
        * config/arm/arm.c (arm_set_current_function):
        Refactor to better support #pragma target and attribute mix.
        Call save_restore_target_globals.
        * config/arm/arm-protos.h (save_restore_target_globals): New function.

2016-01-27  Martin Liska  <mliska@suse.cz>

        * hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
        reference for an HSA kernel and its host function.

2016-01-27  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69399
        * wide-int.h (wi::lrshift): For larger precisions, only
        use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.

2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/predicates.md (proper_comparison_operator): Reject
        constant-constant comparison.

2016-01-26  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69110
        * tree-data-ref.c (initialize_data_dependence_relation): Handle
        DR_NUM_DIMENSIONS == 0.

2016-01-26  Abderrazek Zaafrani  <a.zaafrani@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (ternary_op_to_tree): Handle
        isl_ast_op_cond and isl_ast_op_select.
        (gcc_expression_from_isl_expr_op): Same.

2016-01-26  Jason Merrill  <jason@redhat.com>

        PR c++/68782
        * tree.c (recompute_constructor_flags): Split out from
        build_constructor.
        (verify_constructor_flags): New.
        * tree.h: Declare them.

2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>

        PR rtl-optimization/69217
        * var-tracking.c (tracked_record_parameter_p): Don't segfault if there
        are no TYPE_FIELDS set for the record type.

2016-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR target/68662
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Initialize
        toc_label_name unconditionally.
        (rs6000_emit_load_toc_table): Call ggc_strdup on toc_label_name for
        SYMBOL_REF string.  Use toc_label_name instead of constructing
        LCTOC1.
        (rs6000_elf_declare_function_name): Use toc_label_name instead of
        constructing LCTOC1.

2016-01-26  Martin Sebor  <msebor@redhat.com>

        PR other/69477
        * doc/extend.texi (Common Type Attributes): Move text that talks about
        attribute packed from attribute aligned to the section discussing
        the former attribute for clarity.

2016-01-26  Richard Henderson  <rth@redhat.com>

        PR middle-end/60908
        * trans-mem.c (tm_region_init): Mark entry block as visited.

2016-01-26  David Malcolm  <dmalcolm@redhat.com>

        PR other/69006
        * diagnostic-show-locus.c (layout::print_source_line): Replace
        call to pp_newline with call to layout::print_newline.
        (layout::print_annotation_line): Likewise.
        (layout::move_to_column): Likewise.
        (layout::print_any_fixits): After printing any fixits, print a
        trailing newline, if necessary.
        (layout::print_newline): New method, resetting any colorization
        before a newline.
        (diagnostic_show_locus): Move the pp_newline to before the
        early bailout.  Remove dummy block enclosing the layout instance.
        * diagnostic.c (default_diagnostic_finalizer): Replace invocation
        of pp_newline_and_flush with pp_flush.
        (diagnostic_append_note): Delete use of pp_newline.
        (diagnostic_append_note_at_rich_loc): Delete.
        * diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
        * pretty-print.h (output_buffer_append_r): Reset buff->line_length
        when newline characters are added to the buffer.

2016-01-26  Michael Matz  <matz@suse.de>

        * configure.ac (ac_cv_std_swap_in_utility): New test.
        * system.h (<algorithm>): Check HAVE_SWAP_IN_UTILITY as well.
        * configure: Regenerate.
        * config.in: Regenerate.

2016-01-26  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.md (cstoresi4): Force operand into register.
        (arcset<code>): Fix predicate.
        (arcsetltu): Likewise.
        (arcsetgeu): Likewise.
        (arcsethi): Likewise.
        (arcsetls): Likewise.

2016-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69483
        * gimple-fold.c (canonicalize_constructor_val): Return NULL
        if base has error_mark_node type.

2016-01-26  Christophe Lyon  <christophe.lyon@linaro.org>

        PR target/68620
        * config/arm/arm.c (neon_valid_immediate): Handle FP16 vectors.
        * config/arm/arm_neon.h (__ARM_NUM_LANES, __arm_lane, arm_lanq):
        New helper macros.
        (vget_lane_f16): Handle big-endian.
        (vgetq_lane_f16): Likewise.
        (vset_lane_f16): Likewise.
        (vsetq_lane_f16): Likewise.
        * config/arm/iterators.md (VQXMOV): Add V8HF.
        (VDQ): Add V4HF and V8HF.
        (V_reg): Handle V4HF and V8HF.
        (Is_float_mode): Likewise.
        * config/arm/neon.md (movv4hf, movv8hf, neon_vdup_nv4hf,
        neon_vdup_nv8hf): New patterns.
        (vec_set<mode>_internal, vec_extract<mode>, neon_vld1_dup<mode>):
        Use VD_LANE iterator.
        (neon_vld1_dup<mode>): Use VQ2 iterator.

2016-01-26  Nathan Sidwell  <nathan@acm.org>

        * omp-low.h (oacc_fn_attrib_kernels_p): Declare.
        (set_oacc_fn_attrib): Add IS_KERNEL arg.
        * omp-low.c (set_oacc_fn_attrib): Add IS_KERNEL arg.
        (oacc_fn_attrib_kernels_p, oacc_fn_attrib_level): New.
        (expand_omp_target): Pass is_kernel to set_oacc_fn_attrib.
        (oacc_validate_dims): Add LEVEL arg, don't return level.
        (new_oacc_loop_routine): Use oacc_fn_attrib_level, not
        oacc_validate_dims.
        (execute_oacc_device_lower): Adjust, add more dump output.
        * tree-ssa-loop.c (gate_oacc_kernels): Use
        oacc_fn_attrib_kernels_p.
        * tree-parloops.c (create_parallel_loop): Adjust
        set_oacc_fn_attrib call.

2016-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR lto/69254
        * lto-wrapper.c (merge_and_complain): Handle -fcilkplus.
        (append_compiler_options): Handle -fcilkplus.
        (append_linker_options): Ignore -fno-{openmp,openacc,cilkplus}.

2016-01-26  Nick Clifton  <nickc@redhat.com>

        PR target/66655
        * config/i386/winnt.c (i386_pe_binds_local_p): If a function has
        been marked as DECL_ONE_ONLY but we do not the means to make it
        so, then do not allow it to bind locally.

2016-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR lto/69254
        * opts.h (parse_sanitizer_options): New prototype.
        * opts.c (sanitizer_opts): New array.
        (parse_sanitizer_options): New function.
        (common_handle_option): Use parse_sanitizer_options.

2016-01-26  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/68986
        * config/i386/i386.c (ix86_compute_frame_layout): Move stack
        alignment adjustment to ...
        (ix86_update_stack_boundary): Here.  Don't over-align stack for
        __tls_get_addr.
        (ix86_finalize_stack_realign_flags): Use stack_alignment_needed
        if __tls_get_addr is called.

2016-01-26  Christian Bruel  <christian.bruel@st.com>

        * doc/sourcebuild.texi (arm_crypto_pragma_ok): Remove.

2016-01-26  Eric Botcazou  <ebotcazou@adacore.com>

        * config/ia64/ia64.c (ia64_expand_vecint_compare): Use gen_int_mode.

2016-01-26  Richard Biener  <rguenther@suse.de>

        PR middle-end/69467
        * match.pd: Guard X * CST CMP 0 pattern with single_use.

2016-01-26  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69452
        * tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
        (move_computations_dom_walker::before_dom_children): Rename
        to ...
        (move_computations_worker): This.
        (move_computations): Perform an RPO rather than a DOM walk.

2016-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR target/69442
        * combine.c (combine_instructions): For REG_EQUAL note with
        SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
        to the underlying register.
        * doc/rtl.texi (REG_EQUAL): Document the behavior of
        REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.

2016-01-26  Roger Ferrer Ibáñez  <rofirrim@gmail.com>

        PR target/67896
        * config/aarch64/aarch64-builtins.c
        (aarch64_init_simd_builtin_types): Do not set structural
        equality to __Poly{8,16,64,128}_t types.

2016-01-26  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/69400
        * wide-int.cc (wi_pack): Take the precision as argument and
        perform canonicalization here rather than in the callers.
        Use the main loop to handle all full-width HWIs.  Add a
        zero HWI if in_len isn't a full result.
        (wi::divmod_internal): Update accordingly.
        (wi::mul_internal): Likewise.  Simplify.

2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-poly.c (apply_poly_transforms): Simplify.
        (print_isl_set): Use more readable format: ISL_YAML_STYLE_BLOCK.
        (print_isl_map): Same.
        (print_isl_union_map): Same.
        (print_isl_schedule): New.
        (debug_isl_schedule): New.
        * graphite-dependences.c (scop_get_reads): Do not call
        isl_union_map_add_map that is undocumented isl functionality.
        (scop_get_must_writes): Same.
        (scop_get_may_writes): Same.
        (scop_get_original_schedule): Remove.
        (scop_get_dependences): Do not call isl_union_map_compute_flow that
        is deprecated in isl 0.15.  Instead, use isl_union_access_* interface.
        (compute_deps): Remove.
        * graphite-isl-ast-to-gimple.c (print_schedule_ast): New.
        (debug_schedule_ast): New.
        (translate_isl_ast_to_gimple::scop_to_isl_ast): Call
        set_separate_option.
        (graphite_regenerate_ast_isl): Add dump.
        (translate_isl_ast_to_gimple::scop_to_isl_ast): Generate code
        from scop->transformed_schedule.
        (graphite_regenerate_ast_isl): Add more dump.
        * graphite-optimize-isl.c (optimize_isl): Set
        scop->transformed_schedule.  Check whether schedules are equal.
        (apply_poly_transforms): Move here.
        * graphite-poly.c (apply_poly_transforms): ... from here.
        (free_poly_bb): Static.
        (free_scop): Static.
        (pbb_number_of_iterations_at_time): Remove.
        (print_isl_ast): New.
        (debug_isl_ast): New.
        (debug_scop_pbb): New.
        * graphite-scop-detection.c (print_edge): Move.
        (print_sese): Move.
        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Remove.
        (build_scop_scattering): Remove.
        (create_pw_aff_from_tree): Assert instead of bailing out.
        (add_condition_to_pbb): Remove unused code, do not fail.
        (add_conditions_to_domain): Same.
        (add_conditions_to_constraints): Remove.
        (build_scop_context): New.
        (add_iter_domain_dimension): New.
        (build_iteration_domains): Initialize pbb->iterators.
        Call add_conditions_to_domain.
        (nested_in): New.
        (loop_at): New.
        (index_outermost_in_loop): New.
        (index_pbb_in_loop): New.
        (outermost_pbb_in): New.
        (add_in_sequence): New.
        (add_outer_projection): New.
        (outer_projection_mupa): New.
        (add_loop_schedule): New.
        (build_schedule_pbb): New.
        (build_schedule_loop): New.
        (embed_in_surrounding_loops): New.
        (build_schedule_loop_nest): New.
        (build_original_schedule): New.
        (build_poly_scop): Call build_original_schedule.
        * graphite.h: Declare print_isl_schedule and debug_isl_schedule.
        (free_poly_dr): Remove.
        (struct poly_bb): Add iterators.  Remove schedule, transformed, saved.
        (free_poly_bb): Remove.
        (debug_loop_vec): Remove.
        (print_isl_ast): Declare.
        (debug_isl_ast): Declare.
        (scop_do_interchange): Remove.
        (scop_do_strip_mine): Remove.
        (scop_do_block): Remove.
        (flatten_all_loops): Remove.
        (optimize_isl): Remove.
        (pbb_number_of_iterations_at_time): Remove.
        (debug_scop_pbb): Declare.
        (print_schedule_ast): Declare.
        (debug_schedule_ast): Declare.
        (struct scop): Remove schedule.  Add original_schedule,
        transformed_schedule.
        (free_gimple_poly_bb): Remove.
        (print_generated_program): Remove.
        (debug_generated_program): Remove.
        (unify_scattering_dimensions): Remove.
        * sese.c (print_edge): ... here.
        (print_sese): ... here.
        (debug_edge): ... here.
        (debug_sese): ... here.
        * sese.h (print_edge): Declare.
        (print_sese): Declare.
        (dump_edge): Declare.
        (dump_sese): Declare.

2016-01-25  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * Makefile.in: Set ISLVER in site.exp.

2016-01-25  Jakub Jelinek  <jakub@redhat.com>

        * omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
        DECL_VALUE_EXPR of new_var even for the non-array case.  Look
        through DECL_VALUE_EXPR for expansion.

2016-01-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * config/mips/mips.c (mips_compute_frame_info): Skip re-computing
        the frame info after reload completed.

2016-01-25  Jeff Law  <law@redhat.com>

        PR tree-optimization/69196
        PR tree-optimization/68398
        * tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
        tree-ssa-threadupdate.c.
        (determine_bb_domination_status): Prototype
        * tree-ssa-threadupdate.c (enum bb_dom_status): Remove
        (determine_bb_domination_status): No longer static.
        (valid_jump_thread_path): Remove code to detect characteristics
        of the jump thread path not associated with correctness.
        * tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
        Correct test for thread path length.  Count PHIs for real operands as
        statements that need to be copied.  Do not count ASSERT_EXPRs.
        Look at all the blocks in the thread path.  Compute and selectively
        filter thread paths based on threading through the latch, threading
        a multiway branch or crossing a multiway branch.

2016-01-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled):  Add
        decl with __attribute__ ((unused)) annotation.

2016-01-25  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR target/69421
        * tree-vect-stmts.c (vectorizable_condition): Check vectype
        of operands is compatible with a statement vectype.

2016-01-25  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/extend.texi (scalar_storage_order type attribute): Fix typo and
        improve wording for mixed storage order support.

2016-01-25  Bilyan Borisov  <bilyan.borisov@arm.com>

        * config/aarch64/arm_neon.h (vcvt_s64_f64): New intrinsic.
        (vcvt_u64_f64): Likewise.
        (vcvta_s64_f64): Likewise.
        (vcvta_u64_f64): Likewise.
        (vcvtm_s64_f64): Likewise.
        (vcvtm_u64_f64): Likewise.
        (vcvtn_s64_f64): Likewise.
        (vcvtn_u64_f64): Likewise.
        (vcvtp_s64_f64): Likewise.
        (vcvtp_u64_f64): Likewise.

2016-01-25  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (TARGET_DWARF_REGISTER_SPAN): Define.
        (arc_init): Check validity mll64 option.
        (arc_save_restore): Use double load/store instruction.
        (arc_expand_movmem): Likewise.
        (arc_split_move): Don't split if we have double load/store
        instructions. Returns a boolean.
        (arc_process_double_reg_moves): Change function to return boolean
        instead of a sequence of instructions.
        (arc_dwarf_register_span): New function.
        * config/arc/arc-protos.h (arc_split_move): Change prototype.
        * config/arc/arc.h (TARGET_CPU_CPP_BUILTINS): Define __ARC_LL64__.
        * config/arc/arc.md (*movdi_insn): Emit ldd/std instructions.
        (*movdf_insn): Likewise.
        * config/arc/arc.opt (mll64): New option.
        * config/arc/predicates.md (even_register_operand): New predicate.
        * doc/invoke.texi (ARC Options): Add mll64 documentation.

2016-01-25  Richard Biener  <rguenther@suse.de>

        PR lto/69393
        * dwarf2out.c (is_naming_typedef_decl): Not when DECL_NAMELESS.
        * tree-streamer-out.c (pack_ts_base_value_fields): Stream
        DECL_NAMELESS.
        * tree-streamer-in.c (unpack_ts_base_value_fields): Likewise.

2016-01-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69376
        * tree-ssa-sccvn.h (struct vn_ssa_aux): Add range_info_anti_range_p
        flag.
        (VN_INFO_ANTI_RANGE_P): New inline.
        (VN_INFO_RANGE_TYPE): Likewise.
        * tree-ssa-sccvn.c (set_ssa_val_to): Also record and copy
        SSA_NAME_ANTI_RANGE_P.
        (free_scc_vn): Restore SSA_NAME_ANTI_RANGE_P.
        * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
        Properly query VN_INFO_RANGE_TYPE.

2016-01-25  Nick Clifton  <nickc@redhat.com>

        PR target/66655
        * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Remove definition.

2016-01-23  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69426
        * tree-parloops.c (eliminate_local_variables_stmt): Handle vdef of
        removed clobber.

2016-01-23  Jakub Jelinek  <jakub@redhat.com>

        * tree-ssanames.c (release_free_names_and_compact_live_names): Replace
        "the the" with "the" in the comments.
        * ipa-devirt.c (build_type_inheritance_graph,
        update_type_inheritance_graph): Likewise.
        * tree.c (build_function_type_list_1): Likewise.
        * cfgloopmanip.c (scale_loop_profile): Likewise.
        * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Likewise.
        * gimple-ssa-split-paths.c
        (find_block_to_duplicate_for_splitting_paths): Likewise.
        * tree-sra.c (init_subtree_with_zero, clobber_subtree): Likewise.
        * expr.c (convert_move): Likewise.
        * var-tracking.c (vt_stack_adjustments): Likewise.
        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
        * tree-vrp.c (test_for_singularity): Likewise.

        * tree-vect-stmts.c (vectorizable_condition): Build a VEC_COND_EXPR
        directly instead of building a temporary tree.

        PR bootstrap/69434
        * genrecog.c: Define INCLUDE_ALGORITHM before including system.h,
        remove <algorithm> include.

2016-01-22  Jakub Jelinek  <jakub@redhat.com>

        PR target/69432
        * config/i386/i386.c: Include dojump.h.
        (expand_small_movmem_or_setmem,
        expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Spelling
        fixes.
        (ix86_expand_set_or_movmem): Call do_pending_stack_adjust () early
        if dynamic_check != -1.

2016-01-21  Jeff Law  <law@redhat.com>

        PR middle-end/69347
        * tree-ssa-dom.c (back_propagate_equivalences): Factored out of
        record_temporary_equivalences.  Rewritten to avoid unnecessary calls
        into dominated_by_p.
        (cprop_into_successor_phis): Avoid unnecessary tests.

2016-01-22  Richard Henderson  <rth@redhat.com>

        PR target/69416
        * config/aarch64/aarch64.md (UNSPEC_NZCV): New.
        (ccmp<mode>, fccmp<mode>, fccmpe<mode>): Use it.

2016-01-22  Michael Matz  <matz@suse.de>

        * system.h (string, algorithm): Include only conditionally.
        (new): Include always under C++.
        * bb-reorder.c (toplevel): Define INCLUDE_ALGORITHM.
        * final.c (toplevel): Ditto.
        * ipa-chkp.c (toplevel): Define INCLUDE_STRING.
        * genconditions.c (write_header): Make gencondmd.c define
        INCLUDE_STRING.
        * mem-stats.h (mem_usage::print_dash_line): Don't use std::string.

        * config/aarch64/aarch64.c (toplevel): Define INCLUDE_STRING.
        * common/config/aarch64/aarch64-common.c (toplevel): Ditto.

2016-01-22  Christian Bruel  <christian.bruel@st.com>

        PR target/68674
        * expr.c (expand_expr_real_1): Reset DECL_MODE if VECTOR_TYPE_P changed.

2016-01-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/69403
        * config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
        define_insn_and_split.  Ensure operands[1] and operands[0] do not
        get assigned the same register.

2016-01-22  Kugan Vivekanandarajah  <kuganv@linaro.org>

        * ipa-prop.c (ipa_set_jf_constant): Remove redundant unshare_expr.

2016-01-22  Christian Bruel  <christian.bruel@st.com>

        * config/arm/arm-c.c (arm_pragma_target_parse):
        Remove warn_builtin_macro_redefined overwrite.

2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>

        * ipa-inline.c (can_inline_edge_p): Back out overzealous check on
        flag_non_call_exceptions compatibility.

2016-01-22  Jakub Jelinek  <jakub@redhat.com>

        PR debug/66668
        * dwarf2out.c (add_child_die_after): New function.
        (dwarf_qual_info_t): New type.
        (dwarf_qual_info): New variable.
        (qualified_die_p): New function.
        (modified_type_die): For -fdebug-types-section, ensure
        canonical order of qualifiers.  Put qualified DIEs adjacent
        to the corresponding non-qualified type DIE and search there
        for existing qualified DIEs.

2016-01-22  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/extend.texi (scalar_storage_order type attribute): Document
        restriction on type punning and aliasing, and remove future tense.

2016-01-21  Roman Zhuykov  <zhroma@ispras.ru>

        PR target/69252
        * modulo-sched.c (optimize_sc): Allow branch-scheduling to add a new
        first stage.

2016-01-21  Jeff Law  <law@redhat.com>

        PR middle-end/69347
        * tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
        useless call to record_temporary_equivalences.
        * tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
        allocate 10 slots in the bb_path vector and let it grow as needed.
        (fsm_find_control_statement_thread_paths): Similarly for the next_path
        vector.

2016-01-21  David Edelsohn  <dje.gcc@gmail.com>

        * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
        Detangle.
        * configure: Regenerate.

2016-01-21  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
        * config/rs6000/driver-rs6000.c (struct asm_names): Likewise.

2016-01-21  Bernd Schmidt  <bschmidt@redhat.com>

        PR middle-end/66178
        * expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
        drop EXPAND_INITIALIZER.
        * rtl.h (contains_symbolic_reference_p): Declare.
        * rtlanal.c (contains_symbolic_reference_p): New function.
        * simplify-rtx.c (simplify_binary_operation_1): Don't turn
        a subtraction into a NOT if symbolic constants are involved.

2016-01-21  Anton Blanchard  <anton@samba.org>
            Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR target/63354
        * config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
        #define.
        * config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
        function.

2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>

        * config/microblaze/microblaze.c
        (get_branch_target): New.
        (insert_wic_for_ilb_runout): New.
        (insert_wic): New.
        (microblaze_machine_dependent_reorg): New.
        (TARGET_MACHINE_DEPENDENT_REORG): Define macro.
        * config/microblaze/microblaze.md
        (UNSPEC_IPREFETCH): Define.
        (iprefetch): New pattern
        * config/microblaze/microblaze.opt
        (mxl-prefetch): New flag.

2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>

        * config/microblaze/microblaze.h
        (FIXED_REGISTERS): Update in macro.
        (CALL_USED_REGISTERS): Update in macro.

2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR rtl-optimization/68920
        * ifcvt.c (cond_move_process_if_block): Limit number of conditional
        moves.

2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/68990
        * lra-coalesce.c (lra_coalesce): Invalidate value for the result
        pseudo instead of inheritance ones.

2016-01-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>
            Nick Clifton  <nickc@redhat.com>

        PR target/69129
        PR target/69012
        * config/mips/mips.c (mips_compute_frame_info): Initialise
        args_size and hard_frame_pointer_offset fields of the frame
        structure before calling mips_global_pointer.

2016-01-21  David Edelsohn  <dje.gcc@gmail.com>

        * configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
        label reference.
        * configure: Regenerate.

2016-01-21  Richard Biener  <rguenther@suse.de>

        * graphite-optimize-isl.c (get_schedule_map): Fix typo.

2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>

        * config/s390/s390.c (s390_asm_declare_function_size): Add code
        to actually emit the .size directive.

2016-01-21   Stefan Sørensen  <stefan.sorensen@spectralink.com>
             Jakub Jelinek  <jakub@redhat.com>

        PR target/69187
        PR target/65624
        * config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
        args array size by one to avoid buffer overflow.

2016-01-21  Marcin Kościelnicki  <koriakin@0x04.net>

        * config/s390/s390.md (pool_section_start): Use switch_to_section
        to select proper read-only data section instead of hardcoding
        .rodata.
        (pool_section_end): Use switch_to_section to match the above.

2016-01-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69378
        * tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
        (set_ssa_val_to): Use it for dominance checks taking into
        account not executable edges.

2016-01-21  Jakub Jelinek  <jakub@redhat.com>

        PR c++/69355
        * tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
        for bitsize instead of GET_MODE_PRECISION (mode).

2016-01-20  Martin Sebor  <msebor@redhat.com>

        PR c/52291
        * extend.texi (__sync Builtins): Clarify the semantics of
        __sync_fetch_and_OP built-ins on pointers.
        (__atomic Builtins): Same.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
        (class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
        (is_valid_rename): Same.
        (translate_isl_ast_to_gimple::get_rename): Same.
        (translate_isl_ast_to_gimple::rename_all_uses): Same.
        (translate_isl_ast_to_gimple::rename_uses): Same.
        (get_new_name): Check for close_phi nodes.
        (copy_loop_phi_args): Use phi_node_kind.
        (translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
        (translate_isl_ast_to_gimple::copy_cond_phi_args): Same.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        Revert commit r229783.
        * graphite-isl-ast-to-gimple.c (gcc_expression_from_isl_ast_expr_id):
        Remove use of parameter_rename_map.
        (copy_def): Remove.
        (copy_internal_parameters): Remove.
        (graphite_regenerate_ast_isl): Remove call to copy_internal_parameters.
        * sese.c (new_sese_info): Do not initialize parameter_rename_map.
        (free_sese_info): Do not free parameter_rename_map.
        (set_rename): Do not use parameter_rename_map.
        (rename_uses): Update call to set_rename.
        (graphite_copy_stmts_from_block): Do not use parameter_rename_map.
        * sese.h (parameter_rename_map_t): Remove.
        (struct sese_info_t): Remove field parameter_rename_map.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c: Fix comment.
        * graphite-scop-detection.c (defined_in_loop_p): New.
        (canonicalize_loop_closed_ssa): Do not add close phi nodes for SSA
        names defined in loop.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
        Discard unstructured if-then-else regions.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-sese-to-poly.c (set_scop_parameter_dim): Remove.
        (cleanup_loop_iter_dom): Remove.
        (build_loop_iteration_domains): Remove.
        (build_scop_context): Remove.
        (build_scop_iteration_domain): Remove.
        (add_loop_constraints): New.
        (build_iteration_domains): New.
        (build_poly_scop): Call build_iteration_domains.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-scop-detection.c
        (scop_detection::harmful_loop_in_region): Free dom and loops.
        (scop_detection::loop_body_is_valid_scop): Free bbs.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-scop-detection.c (record_loop_in_sese): New.
        (gather_bbs::before_dom_children): Call record_loop_in_sese.
        (build_scops): Remove call to build_sese_loop_nests.
        * sese.c (sese_record_loop): Remove.
        (build_sese_loop_nests): Remove.
        (new_sese_info): Remove region->loops.
        (free_sese_info): Same.
        * sese.h (sese_contains_loop): Same.
        (build_sese_loop_nests): Remove.
        (sese_contains_loop): Remove.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-scop-detection.c (loop_is_valid_scop): Renamed
        loop_is_valid_in_scop.
        (scop_detection::harmful_stmt_in_region): Renamed
        harmful_loop_in_region.
        Call loop_is_valid_in_scop.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-isl-ast-to-gimple.c (translate_isl_ast): Also handle
        isl_ast_node_mark.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-poly.c (new_poly_bb): Remove use of PBB_IS_REDUCTION.
        * graphite.h (struct poly_bb): Remove field is_reduction.
        (PBB_IS_REDUCTION): Remove.

2016-01-21  Aditya Kumar  <aditya.k7@samsung.com>
            Sebastian Pop  <s.pop@samsung.com>

        * graphite-dependences.c (constrain_domain): Add call to isl_*_coalesce.
        (add_pdr_constraints): Same.
        (scop_get_reads): Same.
        (scop_get_must_writes): Same.
        (scop_get_may_writes): Same.
        (scop_get_original_schedule): Same.
        (extend_schedule): Same.
        (apply_schedule_on_deps): Same.
        (carries_deps): Same.
        (compute_deps): Same.
        (scop_get_dependences): Same.
        * graphite-isl-ast-to-gimple.c
        (translate_isl_ast_to_gimple::generate_isl_schedule): Same.
        * graphite-optimize-isl.c (get_schedule_for_band): Same.
        (get_schedule_for_band_list): Same.
        (get_schedule_map): Same.
        (apply_schedule_map_to_scop): Same.
        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
        (build_loop_iteration_domains): Same.
        (add_condition_to_pbb): Same.
        (add_param_constraints): Same.
        (pdr_add_memory_accesses): Same.
        (pdr_add_data_dimensions): Same.

2016-01-20  Sandra Loosemore <sandra@codesourcery.com>

        * doc/invoke.texi (Instrumentation Options): Clarify -mmpx linking
        requirements.

2016-01-20  Sandra Loosemore <sandra@codesourcery.com>

        * common.opt (feliminate-dwarf2-dups): Replace references to
        "DWARF 2" with just "DWARF".
        * config/ia64/ia64.opt (mdwarf2-asm): Likewise.
        * doc/extend.texi: Likewise.
        * doc/cpp.texi: Likewise.
        * doc/invoke.texi: Likewise.
        (Option Summary): Add -gdwarf to list of Debugging Options.
        (Debugging Options): Document -gdwarf.
        * doc/contrib.texi: Spell "DWARF" like that.

2016-01-21  Jakub Jelinek  <jakub@redhat.com>

        * omp-low.c (expand_omp_target): Avoid -Wmaybe-uninitialized
        warning.  Fix up formatting.

        PR middle-end/67653
        * gimplify.c (gimplify_asm_expr): Warn if it is too late to
        attempt to mark memory input operand addressable and
        call prepare_gimple_addressable in that case.  Don't adjust
        input_location for diagnostics, use error_at instead.

2016-01-20  Peter Bergner  <bergner@vnet.ibm.com>

        * config/rs6000/ppc-auxv.h: New file.
        * config/rs6000/rs6000-builtin.def (cpu_init): Add new builtin.
        (cpu_is): Likewise.
        (cpu_supports): Likewise.
        * config/rs6000/rs6000.c: include "ppc-auxv.h".
        (cpu_is_info): New variable.
        (cpu_supports_info): Likewise.
        (tcb_verification_symbol): Likewise.
        (cpu_builtin_p): Likewise.
        (cpu_expand_builtin): New function.
        (rs6000_expand_ternop_builtin): Add support for CPU builtin functions.
        (rs6000_init_builtins): Likewise.
        (rs6000_elf_file_end): Emit HWCAP in TCB verification symbol.
        * config/rs6000/rs6000.h (TLS_REGNUM): New define.
        * configure.ac (gcc_cv_libc_provides_hwcap_in_tcb): New test.
        * configure: Regenerate.
        * config.in: Likewise.
        * doc/extend.texi (PowerPC Built-in Functions): Document
        __builtin_cpu_init, __builtin_cpu_is and __builtin_cpu_supports.

2016-01-20  David Edelsohn  <dje.gcc@gmail.com>

        PR target/68609
        * config/rs6000/rs6000.c (rs6000_emit_swsqrt): Add vector sqrt
        domain check.
        * config/rs6000/vector.md (sqrt<mode>2): Call rs6000_emit_swsqrt
        for V4SFmode.

2016-01-20  Richard Henderson  <rth@redhat.com>

        PR bootstrap/69343
        PR bootstrap/69339
        PR tree-opt/68964
        Revert:
        * tree.c (tm_define_builtin): New.
        (find_tm_vector_type): New.
        (build_tm_vector_builtins): New.
        (build_common_builtin_nodes): Call it.

2016-01-20  Christophe Lyon  <christophe.lyon@linaro.org>

        * doc/sourcebuild.texi (arm_crypto_pragma_ok): Document new entry.
        (arm_fp_ok): Likewise.
        (arm_fp): Likewise.
        (arm_crypto): Likewise.

2016-01-20  Ilya Enkovich  <enkovich.gnu@gmail.com>
            Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69328
        * tree-vect-stmts.c (vect_is_simple_cond): Check compared
        vectors have same number of elements.
        (vectorizable_condition): Fix masked version recognition.

2016-01-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69345
        * tree-ssa-sccvn.h (VN_INFO_RANGE_INFO): New inline function.
        (VN_INFO_PTR_INFO): Likewise.
        * tree-ssa-sccvn.c (set_ssa_val_to): Avoid clearing points-to
        info when it is equal between non-dominating SSA names.
        * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
        Make sure to look at original SSA infos.

2016-01-20  Jeff Law  <law@redhat.com>

        PR target/25114
        * config/m68k/predicates.md (pow2_m1_operand): New predicate
        extracted from ...
        (reg_or_pow2_m1_operand): Call pow2_m1_operand.
        (pc_or_label_operand): New predicate.
        * config/m68k/m68k.md: Add new peephole2 patterns for GTU/LEU
        tests for small integers that are 2^n - 1.

2016-01-20  Jonathan Wakely  <jwakely@redhat.com>

        * doc/invoke.texi (Options Summary): Add '.' after @xref.

2016-01-19  Jeff Law  <law@redhat.com>

        PR middle-end/69347
        * tree-ssa-threadbackwards.c
        (fsm_find_control_statement_thread_paths): Do not try to lookup
        FSM paths for SSA_NAMEs appearing in abnormal PHIs.

2016-01-20  Kugan Vivekanandarajah  <kuganv@linaro.org>

        * doc/lto.texi: Remove text that says only Gold has linker plugin
        support.

2016-01-19  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (need_endianity_attribute_p): New inline predicate.
        (base_type_die): Add REVERSE parameter and attach DW_AT_endianity to
        the DIE accordingly.
        (modified_type_die): Add REVERSE parameter and pass it recursively,
        as well as to base_type_die.  Adjust presence check accordingly.
        (base_type_for_mode): Adjust call to modified_type_die.
        (add_type_attribute): Add REVERSE parameter and pass it to
        modified_type_die.
        (generic_parameter_die): Adjust call to add_type_attribute.
        (add_scalar_info): Likewise.
        (add_subscript_info): Likewise.
        (gen_array_type_die): Likewise.
        (gen_descr_array_type_die): Likewise.
        (gen_entry_point_die): Likewise.
        (gen_enumeration_type_die): Likewise.
        (gen_formal_parameter_die): Likewise.
        (gen_subprogram_die): Likewise.
        (gen_variable_die ): Likewise.
        (gen_const_die): Likewise.
        (gen_field_die): Likewise.
        (gen_pointer_type_die): Likewise.
        (gen_reference_type_die): Likewise.
        (gen_ptr_to_mbr_type_die): Likewise.
        (gen_inheritance_die): Likewise.
        (gen_subroutine_type_die): Likewise.
        (gen_typedef_die): Likewise.
        (force_type_die): Adjust call to modified_type_die.

2016-01-19  Sandra Loosemore <sandra@codesourcery.com>

        * doc/standards.texi: Copy-editing for grammar, markup, and sentence
        flow throughout the file.  Fix broken link to Objective-C 2.0
        documentation.
        * doc/invoke.texi: More copy-editing; fix numerous typos and spelling
        errors.

2016-01-19  Wilco Dijkstra  <wdijkstr@arm.com>

        * ccmp.c (expand_ccmp_expr_1): Avoid spurious unused warnings.

2016-01-19  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/66223
        * ipa-devirt.c (is_cxa_pure_virtual_p): New function.
        (maybe_record_node): Record cxa_pure_virtual as the only possible
        target if there are not ohter candidates.
        (possible_polymorphic_call_target_p): Accept cxa_pure_virtual.

2016-01-19  Richard Biener  <rguenther@suse.de>

        * hsa-gen.c (get_memory_order_name): Use MEMMODEL_ constants.
        (get_memory_order): Likewise.

2016-01-19  Kirill Yukhin  <kirill.yukhin@intel.com>

        * tree-vect-stmts.c (vectorizable_store): Check
        rhs vectype.

2016-01-19  David Malcolm  <dmalcolm@redhat.com>

        PR jit/68446
        * gcc.c (driver::decode_argv): Add call to
        init_opts_obstack before init_options_struct.
        * opts.c (init_opts_obstack): Remove idempotency.
        (init_options_struct): Replace call to init_opts_obstack
        with a gcc_assert to verify that it has already been called.
        * toplev.c (toplev::main): Add call to init_opts_obstack before
        calls to init_options_struct.
        (toplev::finalize): Move cleanup of opts_obstack next to
        cleanup of save_decoded_options, clearing the latter, and
        save_decoded_options_count.

2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/69135
        * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Set "conds"
        attribute to unconditional.  Remove %? from output template.

2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>
            Jiong Wang  <jiong.wang@arm.com>

        * ccmp.c (expand_ccmp_expr_1): Cost the instruction sequences
        generated from different expand order.

2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>

        * /config/aarch64/aarch64.c (aarch64_if_then_else_costs):
        Add support for CCMP costing.

2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>

        * ccmp.c (ccmp_candidate_p): Remove integer-only restriction.
        * config/aarch64/aarch64.md (fccmp<mode>): New pattern.
        (fccmpe<mode>): Likewise.
        (fcmp): Rename to fcmp and globalize pattern.
        (fcmpe): Likewise.
        * config/aarch64/aarch64.c (aarch64_gen_ccmp_first): Add FP support.
        (aarch64_gen_ccmp_next): Add FP support.

2015-01-19  Wilco Dijkstra  <wdijkstr@arm.com>

        * target.def (gen_ccmp_first): Update documentation.
        (gen_ccmp_next): Likewise.
        * doc/tm.texi (gen_ccmp_first): Update documentation.
        (gen_ccmp_next): Likewise.
        * ccmp.c (expand_ccmp_expr): Extract cmp_code from return value of
        expand_ccmp_expr_1.  Improve comments.
        * config/aarch64/aarch64.md (ccmp_and): Use if_then_else for ccmp.
        (ccmp_ior<mode>): Remove pattern.
        (cmp<mode>): Remove expand.
        (cmp): Globalize pattern.
        (cstorecc4): Use cc_register.
        (mov<mode>cc): Remove ccmp_cc_register check.
        * config/aarch64/aarch64.c (aarch64_get_condition_code_1):
        Simplify after removal of CC_DNE/* modes.
        (aarch64_ccmp_mode_to_code): Remove.
        (aarch64_print_operand): Remove 'K' case.  Merge 'm' and 'M' cases.
        In 'k' case use integer as condition.
        (aarch64_nzcv_codes): Remove inverted cases.
        (aarch64_code_to_ccmode): Remove.
        (aarch64_gen_ccmp_first): Use cmp pattern directly.  Return the correct
        comparison with CC register to be used in folowing CCMP/branch/CSEL.
        (aarch64_gen_ccmp_next): Use previous comparison and mode in CCMP
        pattern.  Return the comparison with CC register.  Invert conditions
        when bitcode is OR.
        * config/aarch64/aarch64-modes.def: Remove CC_DNE/* modes.
        * config/aarch64/predicates.md (ccmp_cc_register): Remove.

2016-01-19  Jan Hubicka  <hubicka@ucw.cz>

        * cgraphunit.c (cgraph_node::reset): Clear thunk info and
        instrumented_version.

2016-01-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69336
        * tree-ssa-scopedtables.c (avail_expr_hash): Handle all
        handled components with get_ref_base_and_extent.
        (equal_mem_array_ref_p): Adjust.

2016-01-19  Jakub Jelinek  <jakub@redhat.com>

        PR debug/65779
        * shrink-wrap.c: Include valtrack.h.
        (move_insn_for_shrink_wrap): Add DEBUG argument.  If
        MAY_HAVE_DEBUG_INSNS, call dead_debug_add on DEBUG_INSNs
        in between insn and where it will be moved to.  Call
        dead_debug_insert_temp.
        (prepare_shrink_wrap): Adjust caller.  Call dead_debug_local_init
        first and dead_debug_local_finish at the end.
        For uses and defs bitmap, handle all regs in between REGNO and
        END_REGNO, not just the first one.

2016-01-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69352
        * tree-ssa-scopedtables.c (avail_expr_hash): Check for size == -1.
        (equal_mem_array_ref_p): Constrain size and max size properly.
        Compare the reverse flag.

2016-01-19  Bernd Schmidt  <bschmidt@redhat.com>

        * ira.c (ira): Update regstat data if we deleted insns.

2016-01-19  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/68955
        PR rtl-optimization/64557
        * dse.c (record_store, check_mem_read_rtx): Don't call get_addr
        here.  Fix up formatting.
        * alias.c (get_addr): Handle VALUE +/- CONST_SCALAR_INT_P.

2016-01-19  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/69133
        * cgraphunit.c (cgraph_node::expand_thunk): When forcing gimple
        assume that the node has body.
        * cgraph.c (cgraph_node::get_untransformed_body): Use gimple_body_p
        check.

2016-01-19  Jan Hubicka  <hubicka@ucw.cz>

        * lto-streamer-out.c (lto_output): Do not stream instrumentation
        thunks.

2016-01-19  Jan Hubicka  <hubicka@ucw.cz>

        * symtab.c (symtab_node::asm_name): Do not call printable name directly.
        (symtab_node::name): Report name as unnamed if DECL_NAME is not set.

2016-01-19  Martin Jambor  <mjambor@suse.cz>
            Martin Liska  <mliska@suse.cz>
            Michael Matz <matz@suse.de>

        * Makefile.in (OBJS): Add new source files.
        (GTFILES): Add hsa.c.
        * common.opt (disable_hsa): New variable.
        (-Whsa): New warning.
        * config.in (ENABLE_HSA): New.
        * configure.ac: Treat hsa differently from other accelerators.
        (OFFLOAD_TARGETS): Define ENABLE_OFFLOADING according to
        $enable_offloading.
        (ENABLE_HSA): Define ENABLE_HSA according to $enable_hsa.
        * doc/install.texi (Configuration): Document --with-hsa-runtime,
        --with-hsa-runtime-include, --with-hsa-runtime-lib and
        --with-hsa-kmt-lib.
        * doc/invoke.texi (-Whsa): Document.
        (hsa-gen-debug-stores): Likewise.
        * lto-wrapper.c (compile_images_for_offload_targets): Do not attempt
        to invoke offload compiler for hsa acclerator.
        * opts.c (common_handle_option): Determine whether HSA offloading
        should be performed.
        * params.def (PARAM_HSA_GEN_DEBUG_STORES): New parameter.
        * builtin-types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
        (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
        (BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.
        * gimple-low.c (lower_stmt): Also handle GIMPLE_OMP_GRID_BODY.
        * gimple-pretty-print.c (dump_gimple_omp_for): Also handle
        GF_OMP_FOR_KIND_GRID_LOOP.
        (dump_gimple_omp_block): Also handle GIMPLE_OMP_GRID_BODY.
        (pp_gimple_stmt_1): Likewise.
        * gimple-walk.c (walk_gimple_stmt): Likewise.
        * gimple.c (gimple_build_omp_grid_body): New function.
        (gimple_copy): Also handle GIMPLE_OMP_GRID_BODY.
        * gimple.def (GIMPLE_OMP_GRID_BODY): New.
        * gimple.h (enum gf_mask): Added GF_OMP_PARALLEL_GRID_PHONY,
        GF_OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY and
        GF_OMP_TEAMS_GRID_PHONY.
        (gimple_statement_omp_single_layout): Updated comments.
        (gimple_build_omp_grid_body): New function.
        (gimple_has_substatements): Also handle GIMPLE_OMP_GRID_BODY.
        (gimple_omp_for_grid_phony): New function.
        (gimple_omp_for_set_grid_phony): Likewise.
        (gimple_omp_parallel_grid_phony): Likewise.
        (gimple_omp_parallel_set_grid_phony): Likewise.
        (gimple_omp_teams_grid_phony): Likewise.
        (gimple_omp_teams_set_grid_phony): Likewise.
        (gimple_return_set_retbnd): Also handle GIMPLE_OMP_GRID_BODY.
        * omp-builtins.def (BUILT_IN_GOMP_OFFLOAD_REGISTER): New.
        (BUILT_IN_GOMP_OFFLOAD_UNREGISTER): Likewise.
        (BUILT_IN_GOMP_TARGET): Updated type.
        * omp-low.c: Include symbol-summary.h, hsa.h and params.h.
        (adjust_for_condition): New function.
        (get_omp_for_step_from_incr): Likewise.
        (extract_omp_for_data): Moved parts to adjust_for_condition and
        get_omp_for_step_from_incr.
        (build_outer_var_ref): Handle GIMPLE_OMP_GRID_BODY.
        (fixup_child_record_type): Bail out if receiver_decl is NULL.
        (scan_sharing_clauses): Handle OMP_CLAUSE__GRIDDIM_.
        (scan_omp_parallel): Do not create child functions for phony
        constructs.
        (check_omp_nesting_restrictions): Handle GIMPLE_OMP_GRID_BODY.
        (scan_omp_1_op): Checking assert we are not remapping to
        ERROR_MARK.  Also also handle GIMPLE_OMP_GRID_BODY.
        (parallel_needs_hsa_kernel_p): New function.
        (expand_parallel_call): Register apprpriate parallel child
        functions as HSA kernels.
        (grid_launch_attributes_trees): New type.
        (grid_attr_trees): New variable.
        (grid_create_kernel_launch_attr_types): New function.
        (grid_insert_store_range_dim): Likewise.
        (grid_get_kernel_launch_attributes): Likewise.
        (get_target_argument_identifier_1): Likewise.
        (get_target_argument_identifier): Likewise.
        (get_target_argument_value): Likewise.
        (push_target_argument_according_to_value): Likewise.
        (get_target_arguments): Likewise.
        (expand_omp_target): Call get_target_arguments instead of looking
        up for teams and thread limit.
        (grid_expand_omp_for_loop): New function.
        (grid_arg_decl_map): New type.
        (grid_remap_kernel_arg_accesses): New function.
        (grid_expand_target_kernel_body): New function.
        (expand_omp): Call it.
        (lower_omp_for): Do not emit phony constructs.
        (lower_omp_taskreg): Do not emit phony constructs but create for them
        a temporary variable receiver_decl.
        (lower_omp_taskreg): Do not emit phony constructs.
        (lower_omp_teams): Likewise.
        (lower_omp_grid_body): New function.
        (lower_omp_1): Call it.
        (grid_reg_assignment_to_local_var_p): New function.
        (grid_seq_only_contains_local_assignments): Likewise.
        (grid_find_single_omp_among_assignments_1): Likewise.
        (grid_find_single_omp_among_assignments): Likewise.
        (grid_find_ungridifiable_statement): Likewise.
        (grid_target_follows_gridifiable_pattern): Likewise.
        (grid_remap_prebody_decls): Likewise.
        (grid_copy_leading_local_assignments): Likewise.
        (grid_process_kernel_body_copy): Likewise.
        (grid_attempt_target_gridification): Likewise.
        (grid_gridify_all_targets_stmt): Likewise.
        (grid_gridify_all_targets): Likewise.
        (execute_lower_omp): Call grid_gridify_all_targets.
        (make_gimple_omp_edges): Handle GIMPLE_OMP_GRID_BODY.
        * tree-core.h (omp_clause_code): Added OMP_CLAUSE__GRIDDIM_.
        (tree_omp_clause): Added union field dimension.
        * tree-pretty-print.c (dump_omp_clause): Handle OMP_CLAUSE__GRIDDIM_.
        * tree.c (omp_clause_num_ops): Added number of arguments of
        OMP_CLAUSE__GRIDDIM_.
        (omp_clause_code_name): Added name of OMP_CLAUSE__GRIDDIM_.
        (walk_tree_1): Handle OMP_CLAUSE__GRIDDIM_.
        * tree.h (OMP_CLAUSE_GRIDDIM_DIMENSION): New.
        (OMP_CLAUSE_SET_GRIDDIM_DIMENSION): Likewise.
        (OMP_CLAUSE_GRIDDIM_SIZE): Likewise.
        (OMP_CLAUSE_GRIDDIM_GROUP): Likewise.
        * passes.def: Schedule pass_ipa_hsa and pass_gen_hsail.
        * tree-pass.h (make_pass_gen_hsail): Declare.
        (make_pass_ipa_hsa): Likewise.
        * ipa-hsa.c: New file.
        * lto-section-in.c (lto_section_name): Add hsa section name.
        * lto-streamer.h (lto_section_type): Add hsa section.
        * timevar.def (TV_IPA_HSA): New.
        * hsa-brig-format.h: New file.
        * hsa-brig.c: New file.
        * hsa-dump.c: Likewise.
        * hsa-gen.c: Likewise.
        * hsa.c: Likewise.
        * hsa.h: Likewise.
        * toplev.c (compile_file): Call hsa_output_brig.
        * hsa-regalloc.c: New file.

2016-01-18  Jeff Law  <law@redhat.com>

        PR tree-optimization/69320
        * tree-ssa-dom.c (record_edge_info): For comparisons against a boolean
        ranged object, do nothing if the RHS constant is not [0..1].
        (optimize_stmt): Comparing a boolean ranged object against a
        constant outside [0..1] results in a compile-time constant.

        * tree-ssanames.c (ssa_name_has_boolean_range): Remove unnecessary
        test.

2016-01-18  Sandra Loosemore <sandra@codesourcery.com>

        * doc/invoke.texi (Invoking GCC): Add new section to menu.
        (Option Summary): Update to reflect new section and moved options.
        (C++ Dialect Options): Move -fstats to new section.
        (Debugging Options): Move all dump, statistics, and other GCC
        developer options to new section.  Rewrite section introduction
        and re-order remaining options to put the more basic ones first.
        (Optimization Options): Move -fira-verbose and -flto-report* to
        new section.
        (Developer Options): New section incorporating moved options.
        * doc/cppopts.texi (-dM): Update cross-reference.

2016-01-18  Richard Henderson  <rth@redhat.com>

        PR target/69176
        * config/aarch64/aarch64.md (add<GPI>3): Move long immediate
        operands to pseudo only if CSE is expected.  Split long immediate
        operands only after reload, and for the stack pointer.
        (*add<GPI>3_pluslong): Remove.
        (*addsi3_aarch64, *adddi3_aarch64): Merge into...
        (*add<GPI>3_aarch64): ... here.  Add r/rk/Upl alternative.
        (*addsi3_aarch64_uxtw): Add r/rk/Upl alternative.
        (*add<GPI>3 peepholes): New.
        (*add<GPI>3 splitters): New.
        * config/aarch64/constraints.md (Upl): New.
        * config/aarch64/predicates.md (aarch64_pluslong_strict_immedate): New.

2016-01-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69297
        * tree-vect-slp.c (vect_bb_slp_scalar_cost): Count each scalar
        stmt at most once.
        (vect_bb_vectorization_profitable_p): Clear visited flag again.

2016-01-18  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR middle-end/68542
        * fold-const.c (fold_binary_op_with_conditional_arg): Bail out for case
        of mixind vector and scalar types.
        (fold_relational_const): Add handling of vector
        comparison with boolean result.
        * tree-cfg.c (verify_gimple_comparison): Add argument CODE, allow
        comparison of vector operands with boolean result for EQ/NE only.
        (verify_gimple_assign_binary): Adjust call for verify_gimple_comparison.
        (verify_gimple_cond): Likewise.
        * tree-vrp.c (extract_code_and_val_from_cond_with_ops): Modify check on
        valid type of VAL.

2016-01-18  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): Require
        !TARGET_OCTEON.

2016-01-18  Richard Biener  <rguenther@suse.de>

        PR middle-end/69308
        * gimple.c (gimple_could_trap_p_1): Handle GIMPLE_COND.

2016-01-18  Tom de Vries  <tom@codesourcery.com>

        * passes.def: Add pass_parallelize_loops to pass_oacc_kernels.

2016-01-18  Tom de Vries  <tom@codesourcery.com>

        * omp-low.c (set_oacc_fn_attrib): Make extern.
        * omp-low.h (set_oacc_fn_attrib): Declare.
        * tree-parloops.c (struct reduction_info): Add reduc_addr field.
        (create_call_for_reduction_1): Handle case that reduc_addr is non-NULL.
        (create_parallel_loop, gen_parallel_loop, try_create_reduction_list):
        Add and handle function parameter oacc_kernels_p.
        (find_reduc_addr, get_omp_data_i_param): New function.
        (ref_conflicts_with_region, oacc_entry_exit_ok_1)
        (oacc_entry_exit_single_gang, oacc_entry_exit_ok): New function.
        (parallelize_loops): Add and handle function parameter oacc_kernels_p.
        Calculate dominance info.  Skip loops that are not in a kernels region
        in oacc_kernels_p mode.  Skip inner loops of parallelized loops.
        (pass_parallelize_loops::execute): Call parallelize_loops with
        oacc_kernels_p argument.
        (pass_parallelize_loops::clone, pass_parallelize_loops::set_pass_param):
        New member function.
        (pass_parallelize_loops::bool oacc_kernels_p): New member var.
        * passes.def: Add argument to pass_parallelize_loops instantation.

2016-01-18  Tom de Vries  <tom@codesourcery.com>

        * tree-parloops.c (pass_parallelize_loops::execute): Allow
        pass_parallelize_loops to be run outside the loop pipeline.

2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>

        * tree-scalar-evolution.c (follow_copies_to_constant): New.
        (analyze_initial_condition, analyze_scalar_evolution_1): Call previous.

2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>

        PR target/63679
        * tree-ssa-scopedtables.c (avail_expr_hash): Hash MEM_REF and ARRAY_REF
        using get_ref_base_and_extent.
        (equal_mem_array_ref_p): New.
        (hashable_expr_equal_p): Add call to previous.

2016-01-18  Alan Lawrence  <alan.lawrence@arm.com>

        PR target/63679
        * tree-sra.c (disqualified_constants, constant_decl_p): New.
        (sra_initialize): Allocate disqualified_constants.
        (sra_deinitialize): Free disqualified_constants.
        (disqualify_candidate): Update disqualified_constants when appropriate.
        (create_access): Scan for constant-pool entries as we go along.
        (scalarizable_type_p): Add check against type_contains_placeholder_p.
        (maybe_add_sra_candidate): Allow constant-pool entries.
        (load_assign_lhs_subreplacements): Bind debug for constant pool vars.
        (initialize_constant_pool_replacements): New.
        (sra_modify_assign): Avoid mangling assignments created by previous,
        and don't generate writes into constant pool.
        (sra_modify_function_body): Call initialize_constant_pool_replacements.

2016-01-18  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * config/i386/i386.c (scalar_to_vector_candidate_p): Support
        andnot instruction.
        (scalar_chain::convert_op): Likewise.
        * config/i386/i386.md (*andndi3_doubleword): New.

2016-01-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69170
        * tree-vect-slp.c (vect_build_slp_tree): Verify we are not
        building a vector from scalar results of a pattern stmt.

2016-01-18  Jakub Jelinek  <jakub@redhat.com>

        * haifa-sched.c (autopref_multipass_init): Work around
        -Wmaybe-uninitialized warning.

2016-01-18  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/arm.c (thumb1_reorg): Check that the comparison is
        against the constant 0.

2016-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/68799
        * gimple-ssa-strength-reduction.c (create_phi_basis): Directly
        look up phi candidates in the statement-candidate map.
        (phi_add_costs): Likewise.
        (record_phi_increments): Likewise.
        (phi_incr_cost): Likewise.
        (ncd_with_phi): Likewise.
        (all_phi_incrs_profitable): Likewise.

2016-01-17  Jakub Jelinek  <jakub@redhat.com>

        * omp-low.c (mark_loops_in_oacc_kernels_region): Work around
        -Wmaybe-uninitialized warning.

2016-01-16  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Invoking GCC): Add new section to menu.
        (Option Summary): Update to reflect new section and moved options.
        (C++ Dialect Options): Move -fvtable-verify and related options.
        (Debugging Options): Move Sanitizer, Pointer Bounds Checker,
        and profiling-related options.
        (Optimization Options): Move profile generation options and
        -fstack-protector and related options.
        (Instrumentation Options): New section incorporating moved options.
        (Code Generation Options): Move -finstrument-functions and
        related options, -fstack-check, -fstack-limit*, and -fbounds-check.

2016-01-16  Tom de Vries  <tom@codesourcery.com>

        * passes.def: Move pass_expand_omp_ssa out of pass_parallelize_loops.

2016-01-16  Tom de Vries  <tom@codesourcery.com>

        * omp-low.c (expand_omp_atomic_fetch_op):  Release defs of update stmt.

2016-01-16  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-table.h (hash_table::empty): Turn into an inline wrapper
        that checks whether the table is already empty.  Rename the
        original implementation to...
        (hash_table::empty_slot): ...this new private function.

2016-01-15  David Malcolm  <dmalcolm@redhat.com>

        PR diagnostic/68899
        * diagnostic-show-locus.c (layout::print_source_line): Move x
        offset of line until after call to
        get_line_width_without_trailing_whitespace.

2016-01-15  Jeff Law  <law@redhat.com>

        PR tree-optimization/69270
        * tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
        tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
        * tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
        * tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
        * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
        ssa_name_has_boolean_range and constant_boolean_node.

2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/69030
        * lra-spills.c (remove_pseudos): Check nrefs and make the function
        returning bool.
        (spill_pseudos): Delete debug insn for dead pseudo.
        (lra_spill): Initiate spill_hard_reg and slots memory separately.

2016-01-15  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
        New.
        (TYPES_UNOPUS): Likewise.
        * config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
        builtin type, from UNOP to UNOPUS.
        (lbtruncuv4sf): Likewise.
        (lbtruncuv2df): Likewise.
        (lrounduv2sf): Likewise.
        (lrounduv4sf): Likewise.
        (lrounduv2df): Likewise.
        (lroundusf): Likewise.
        (lroundusf): Likewise.
        (lceiluv2sf): Likewise.
        (lceiluv4sf): Likewise.
        (lceiluv2df): Likewise.
        (lceilusf): Likewise.
        (lceiludf): Likewise.
        (lflooruv2sf): Likewise.
        (lflooruv4sf): Likewise.
        (lflooruv2df): Likewise.
        (lfloorusf): Likewise.
        (lfloorudf): Likewise.
        (lfrintnuv2sf): Likewise.
        (lfrintnuv4sf): Likewise.
        (lfrintnuv2df): Likewise.
        (lfrintnusf): Likewise.
        (lfrintnudf): Likewise.
        * config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
        conversion.
        (vcvtq_u32_f32): Likewise.
        (vcvtq_u64_f64): Likewise.
        (vcvta_u32_f32): Likewise.
        (vcvtaq_u32_f32): Likewise.
        (vcvtaq_u64_f64): Likewise.
        (vcvtm_u32_f32): Likewise.
        (vcvtmq_u32_f32): Likewise.
        (vcvtmq_u64_f64): Likewise.
        (vcvtn_u32_f32): Likwise.
        (vcvtnq_u32_f32): Likewise.
        (vcvtnq_u64_f64): Likewise.
        (vcvtp_u32_f32): Likewise.
        (vcvtpq_u32_f32): Likewise.
        (vcvtpq_u64_f64): Likewise.
        (vcvtmd_u64_f64): Likewise.
        (vcvtms_u32_f32): Likewise.
        (vcvtad_u64_f64): Likewise.
        (vcvtas_u32_f32): Likewise.
        (vcvtnd_u64_f64): Likewise.
        (vcvtns_u32_f32): Likewise.
        (vcvtpd_u64_f64): Likewise.
        (vcvtps_u32_f32): Likewise.

2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
        CSEL of zero_extended registers.

2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
        Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.

2016-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
        false when argument string is not found in the attributes table
        at all.

2016-01-15  David Edelsohn  <dje.gcc@gmail.com>

        PR target/68609
        * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
        (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
        * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
        precision estimate.

2016-01-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66856
        * tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
        * tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
        (vect_create_new_slp_node): Increment stmt reference count.
        (vect_get_and_check_slp_defs): Make sure stmts are nor already in
        an SLP tree before swapping operands.
        (vect_build_slp_tree): Likewise.
        (destroy_bb_vec_info): Free stmt info after SLP instances.
        * tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
        * tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
        (STMT_VINFO_NUM_SLP_USES): New macro.

2016-01-15  Richard Biener  <rguenther@suse.de>

        PR debug/69137
        * dwarf2out.c (add_linkage_name_raw): New function split out from ...
        (add_linkage_name): ... here.
        (gen_typedef_die): Use add_linkage_name_raw instead of
        add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
        if necessary.

2016-01-15  Cesar Philippidis  <cesar@codesourcery.com>

        * gimplify.c (oacc_default_clause): Decode reference and pointer
        types for both kernels and parallel regions.

2016-01-15  Richard Sandiford  <richard.sandiford@arm.com>

        PR middle-end/69246
        * calls.c (emit_call_1): Force n_popped to zero for sibcalls.

2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
        (convert_scalars_to_vector): Likewise.

2016-01-15  Jonathan Wakely  <jwakely@redhat.com>

        * doc/extend.texi (Type Traits): Fix grammar.

2016-01-15  Martin Jambor  <mjambor@suse.cz>

        * tree-inline.c (remap_decl): Use existing dclarations if
        remapping a type and prevent_decl_creation_for_types.
        (replace_locals_stmt): Do an initial remapping of non-VLA typed
        decls first.  Do real remapping with
        prevent_decl_creation_for_types set.
        * tree-inline.h (copy_body_data): New field
        prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
        padding.

2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.opt (mmvcle): More verbose help text.

2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.opt: Add period to -mzvector option text.

2016-01-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68961
        * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
        of invariants in stores again.

2016-01-15  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.

2016-01-15  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * config/i386/i386.c (ix86_expand_branch): Don't split
        DI mode xor instruction to SI mode.

2016-01-15  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/68148
        * ipa-icf.c (sem_function::merge): Virtual functions may become
        reachable even if they address is not taken and there are no
        idrect calls.

2016-01-15  Jan Hubicka  <hubicka@ucw.cz>

        * lto-streamer-out.c (subtract_estimated_size): New function.
        (get_symbol_initial_value): Use it.

2016-01-15  Christian Bruel  <christian.bruel@st.com>

        PR target/65837
        * config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
        (arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
        (arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
        use add_builtin_function_ext_scope instead of add_builtin_function.
        (neon_set_p, neon_crypto_set_p): Remove.
        (arm_init_builtins): Always call arm_init_neon_builtins and
        arm_init_crypto_builtins.
        (arm_expand_builtin): Check that builtins are allowed for the arch.
        * config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
        * config/arm/arm.c (arm_valid_target_attribute_tree): Remove
        arm_init_neon_builtins call.

2016-01-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69117
        * tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
        * tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
        of the leader conservatively.
        (free_scc_vn): Restore original SSA name infos.

2016-01-14  Jeff Law  <law@redhat.com>

        PR tree-optimization/69270
        * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
        single bit of precision, verify it's also unsigned.
        (record_edge_info): Use constant_boolean_node rather than fold_convert
        to convert boolean_true/boolean_false to the right type.

2016-01-14  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/69014
        * loop-doloop.c (record_reg_sets): New.
        (doloop_optimize): Reject the transform if the sequence
        clobbers registers live at the end of the loop block.
        (doloop_optimize_loops): Enable df_live if needed.

2016-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000-builtin.def: Revert 2016-01-13 change.
        * gcc/config/rs6000/rs6000.c: Likewise.
        * gcc/config/rs6000/rs6000.h: Likewise.
        * gcc/config/rs6000/rs6000.md: Likewise.
        * gcc/doc/extend.texi: Likewsie.

2016-01-14  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
        typo.

2016-01-14  Richard Henderson  <rth@redhat.com>

        PR c/69272
        PR tree-opt/68964
        * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
        * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
        instead of builtin_decl_declared_p to test for declaration.

2016-01-14  Nicklas Bo Jensen  <nbjensen@gmail.com>

        * doc/loop.texi (Loop Analysis and Representation): Document
        loop_depth function.

2016-01-14  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/68773
        * omp-low.c (expand_omp_target): Don't set force_output.
        * varpool.c (varpool_node::get_create): Same.
        * lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
        offload_funcs with force_output.

2016-01-14  Jakub Jelinek  <jakub@redhat.com>

        PR debug/69244
        * lra-eliminations.c (move_plus_up): Don't change anything if either
        the outer or inner subreg mode is not MODE_INT.
        * dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
        integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.

2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>

        * doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
        reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
        reduc_uplus_@var{m}): Remove.
        * expr.c (expand_expr_real_2): Remove expansion path for
        reduc_[us](min|max|plus) optabs.
        * optabs-tree.c (scalar_reduc_to_vector): Remove.
        * optabs-tree.h (scalar_reduc_to_vector): Remove.
        * optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
        reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
        * tree-vect-loop.c (vectorizable_reduction): Remove test for
        reduc_[us](min|max|plus) optabs.

2016-01-14  Alan Lawrence  <alan.lawrence@arm.com>

        * config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
        (reduc_plus_scal_v2sf): New.
        (reduc_smax_v2sf): Rename to...
        (reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
        (reduc_smin_v2sf): Rename to...
        (reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.

2016-01-14  Jan Hubicka  <hubicka@ucw.cz>

        * alias.c (compare_base_symbol_refs): New function.
        (rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
        it.

2016-01-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/68146
        PR tree-optimization/69155
        * tree-complex.c: Include cfganal.h.
        (phis_to_revisit): New variable.
        (extract_component): Add phiarg_p argument.  Assert that returned
        SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
        (update_phi_components): Partly rewrite to use loop over real/imag
        components instead of code duplication.  If extract_component returns
        SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
        create_tmp_reg into the PHI node instead, and mention the phi triplet
        in phis_to_revisit.
        (tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
        in phis_to_revisit at the end.

2016-01-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68060
        * tree-vect-loop.c (vect_is_simple_reduction): Check the
        outer loop reduction is only used in the inner loop before
        detecting a double reduction.

2016-01-14  Jakub Jelinek  <jakub@redhat.com>

        PR target/68269
        * combine.c (expand_field_assignment): Punt if compute_mode is
        unsupported scalar mode.

2016-01-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66856
        * tree-vect-slp.c (vect_build_slp_tree): Refactor to build
        SLP node only if it built successfully.
        (vect_analyze_slp_instance): Adjust.

2016-01-14  Jeff Law  <law@redhat.com>

        PR tree-optimization/69270
        * tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
        (record_edge_info): Use it.  Convert boolean_{true,false}_node
        to the type of op0.

2016-01-13  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/66487
        * ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
        use block_ultimate_origin
        (noncall-stmt_may_be_vtbl_ptr_store): Likewise.

2016-01-13  Sandra Loosemore <sandra@codesourcery.com>

        * doc/invoke.texi (Submodel Options): Rename section to
        "Machine-Dependent Options" to better reflect its content.
        Rewrite introductory text to remove archaic CPU names.
        Update references.

2016-01-13  Sandra Loosemore <sandra@codesourcery.com>

        * doc/invoke.texi (Code Gen Options): Move section up in file,
        before target-specific options.  Update menu and option summary
        to reflect the new section ordering.

2016-01-13  Jonathan Wakely  <jwakely@redhat.com>

        * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
        (C++ Dialect Options): Add cross-reference to -std option.
        * doc/standards.texi (C++ Language): Document C++14 support.

2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
        for pack/unpack functions for __ibm128.
        (PACK_IF): Likewise.
        (UNPACK_IF): Likewise.

        * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
        support for __ibm128 pack/unpack functions.
        (rs6000_invalid_builtin): Likewise.
        (rs6000_init_builtins): Likewise.
        (rs6000_opt_masks): Likewise.

        * config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
        (RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
        functions
        (RS6000_BTM_COMMON): Likewise.

        * config/rs6000/rs6000.md (f128_vsx): New mode attribute.
        (unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
        disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
        128-bit floating point.  Add support for the double values to be
        in Altivec registers for TF/IF packing and unpacking, but restrict
        TD packing sub-fields to be FPR registers.  Don't allow overlapped
        register support for packing.  Allow pack inputs to be memory
        locations.  Don't build generator functions for unpack<mode>_dm
        and unpack<mode>_nodm.
        (unpack<mode>_dm): Likewise.
        (unpack<mode>_nodm): Likewise.
        (pack<mode>): Likewise.

        * config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
        built-in functions to pack/unpack explicit __ibm128 values.
        (__builtin_unpack_ibm128): Likewise.

        * doc/extend.texi (PowerPC Built-in Functions): Document
        __builtin_pack_ibm128 and __builtin_unpack_ibm128.

2016-01-13  Bernd Schmidt  <bschmidt@redhat.com>

        PR c/66208
        * c-common.c (check_function_nonnull): Remove unnecessary declaration.
        Add new arg loc and pass it down as context.
        (check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
        to the location to use for the warning.
        (check_function_arguments): New arg loc.  All callers changed.  Pass
        it to check_function_nonnull.
        * c-common.h (check_function_arguments): Adjust declaration.

2016-01-13  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69156
        * gimple.c (validate_type): Removed.
        (gimple_builtin_call_types_compatible_p): Use
        useless_type_conversion_p instead of validate_type.
        * value-prof.c (gimple_stringop_fixed_value): Fold
        icall_size to correct type.

2016-01-13  Jonathan Wakely  <jwakely@redhat.com>

        * doc/extend.texi (__atomic Builtins): Clarify compare_exchange
        effects.

2016-01-13  Richard Henderson  <rth@redhat.com>

        PR tree-opt/68964
        * target.def (builtin_tm_load, builtin_tm_store): Remove.
        * config/i386/i386.c (ix86_builtin_tm_load): Remove.
        (ix86_builtin_tm_store): Remove.
        (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
        (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
        * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
        (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
        * doc/tm.texi: Rebuild.

        * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
        (BUILT_IN_TM_MEMCPY_RTWN): New.
        * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
        fallback from vector to integer helpers.
        (build_tm_load): Handle vector types directly, instead of
        via target hook.
        (build_tm_store): Likewise.
        (expand_assign_tm): Prepare for register types not handled by
        the above.  Copy them to memory and use memcpy.
        * tree.c (tm_define_builtin): New.
        (find_tm_vector_type): New.
        (build_tm_vector_builtins): New.
        (build_common_builtin_nodes): Call it.

2016-01-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
        TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.

2016-01-13  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69169
        * tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
        handled_struct_type param.
        (create_variable_info_for, intra_create_variable_infos): Call
        create_variable_info_for_1 with extra arg.

2016-01-13  Yvan Roux  <yvan.roux@linaro.org>

        * config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
        and "armv8.1-a+crc" entries.

2016-01-13  Alexander Fomin  <alexander.fomin@intel.com>

        PR target/69228
        * config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
        Change first operand predicate from register_or_constm1_operand
        to register_operand.
        (define_expand "avx512pf_gatherpf<mode>df"): Likewise.
        (define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
        (define_expand "avx512pf_scatterpf<mode>df"): Likewise.
        (define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
        (define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
        (define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
        (define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
        * config/i386/i386.c (ix86_expand_builtin): Remove first operand
        comparison with constm1_rtx from vec_prefetch_gen part.

2016-01-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69013
        * tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
        Exchange assert for a test.

2016-01-13  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        PR target/69247
        * config/s390/s390.md (bswaphi splitter): Use simplify_gen_subreg.

2016-01-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69242
        * tree-ssa-sccvn.c (visit_reference_op_load): Replace bogus
        assert with a check.

2016-01-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69186
        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
        Properly guard vect_update_misalignment_for_peel call.

2016-01-12  Jeff Law  <law@redhat.com>

        PR tree-optimization/pr67755
        * tree-ssa-threadupdate.c (struct ssa_local_info_t): Add new field
        "need_profile_correction".
        (thread_block_1): Initialize new field to false by default.  If we
        have multiple thread paths through a common joiner to different
        final targets, then set new field to true.
        (compute_path_counts): Only do count adjustment when it's really
        needed.

2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Spec Files): Move section down in file, past
        all command-line option descriptions.

2016-01-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        PR middle-end/54809
        * doc/gty.texi: Remove documentation of mark_hook.
        * gengtype.c (struct write_types_data): Remove code to support
        mark_hook attribute.
        (walk_type): Likewise.
        (write_func_for_structure): Likewise.

2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Option Summary) Move -no-canonical-prefixes to
        Directory Options, and -specs= to Overall Options.
        (Overall Options): Adjust similarly.  Reorder to group related
        options together.  Make -specs= cross-reference the spec file details.
        (Directory Options): Adjust similarly.

2016-01-12  Jeff Law  <law@redhat.com>

        * tree-ssa-threadupdate.c: Various whitespace and typo fixes.

2016-01-12  Olivier Hainque  <hainque@adacore.com>

        * gcc.c (spec_undefvar_allowed): New global.
        (process_command): Set to true when running for --version or --help,
        alone or together.
        (getenv_spec_function): When the variable is not defined, use the
        variable name as the variable value if we're allowed not to issue
        a fatal error.

2016-01-12  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/68911
        * tree-vrp.c (adjust_range_with_scev): Check overflow in range
        information computed for expression "init + nit * step".

2016-01-12  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Invoking GCC): Copy-edit.  Incorporate information
        about name of GCC executable.  Remove deleted node from menu.
        (Directory Options) <-B>: Remove cross-reference to deleted node.
        (Target Options): Delete section.

2016-01-12  Christian Bruel  <christian.bruel@st.com>

        PR target/69180
        * config/arm/arm-c.c (arm_pragma_target_parse): Set NODE_CONDITIONAL
        for __ARM_NEON_FP, __ARM_FP, _ARM_FEATURE_LDREX.

2016-01-12  Jakub Jelinek  <jakub@redhat.com>

        PR target/69198
        * config/i386/i386.c (ix86_expand_special_args_builtin): Ensure
        aligned_mem is properly set for AVX512-VL floating point masked
        stores.

        PR target/69175
        * ifcvt.c (cond_exec_process_if_block): When removing the last
        insn from then_bb, remove also any possible barriers that follow it.

2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/68456
        PR target/69226
        * config/i386/iamcu.h (SIZE_TYPE): New macro.
        (PTRDIFF_TYPE): Likewise.
        (WCHAR_TYPE): Likewise.
        (WCHAR_TYPE_SIZE): Likewise.
        (STDINT_LONG32): Likewise.

2016-01-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69053
        * tree-vect-loop.c (get_initial_def_for_reduction): Properly
        convert initial value for cond reductions.

2016-01-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69007
        * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Move
        widen_sum after dot_prod and sad.

2016-01-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69168
        * tree-vect-loop.c (vect_analyze_loop_2): Reset both main and
        pattern stmt SLP type.
        * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Patterns may
        end up unused so cope with that case.

2016-01-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69157
        * tree-vect-stmts.c (vectorizable_mask_load_store): Check
        stmts def type only during analyze phase.
        (vectorizable_call): Likewise.
        (vectorizable_simd_clone_call): Likewise.
        (vectorizable_conversion): Likewise.
        (vectorizable_assignment): Likewise.
        (vectorizable_shift): Likewise.
        (vectorizable_operation): Likewise.
        (vectorizable_store): Likewise.
        (vectorizable_load): Likewise.

2016-01-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69174
        * tree-vect-stmts.c (vect_mark_relevant): Remove excessive vertical
        space.
        (vectorizable_load): Properly compute the number of loads needed
        for permuted strided SLP loads and do not spuriously assign
        to SLP_TREE_VEC_STMTS.

2016-01-12  Andris Pavenis  <andris.pavenis@iki.fi>

        * config/i386/djgpp.h (PREFERRED_DEBUGGING_TYPE): Define to DWARF2
        (TARGET_ASM_OUTPUT_IDENT): Define to default_asm_output_ident_directive
        (MD_EXEC_PREFIX): Remove.
        (MD_STARTFILE_PREFIX) Removee.
        (FILE_NAME_ABSOLUTE_P): Remove.
        (CPP_SPEC): Do not read macros from sys/version.h.
        (LINK_COMMAND_SPEC): Remove.
        (LOCAL_INCLUDE_DIR): Remove.
        (TARGET_ASM_NAMED_SECTION): Define to i386_djgpp_asm_named_section
        (TARGET_OS_CPP_BUILTINS): Add DJGPP (non ISO only), __DJGPP, __DJGPP__, unix.
        (POST_LINK_SPEC): Define to invoke stubify after linker
        (LIBSTDCXX): Remove define
        (DBX_REGISTER_NUMBER): Define to svr4_dbx_register_map.
        (DEFAULT_PCC_STRUCT_RETURN): Define to 1.
        (SUBTARGET_OVERRIDE_OPTIONS): Remove warning about -mbnu2210.
        (SUBTARGET_OVERRIDE_OPTIONS): Ignore -fPIC and generate message.
        (SUBTARGET_OVERRIDE_OPTIONS): Default to DWARF2 debugging info.
        (IX86_MAYBE_NO_LIBGCC_TFMODE): Remove.
        (i386_djgpp_asm_named_section): Add propotype of new procedure

        * config/i386/xm-djgpp.h (NATIVE_SYSTEM_HEADER_DIR): Define.
        (MD_EXEC_PREFIX): Define (moved from config/i386/djgpp.h).
        (STANDARD_STARTFILE_PREFIX_1): Define (moved from MD_STARTFILE_PREFIX
        in config/i386/djgpp.h).
        (STANDARD_STARTFILE_PREFIX_2): Define identical to
        STANDARD_STARTFILE_PREFIX_1.
        (LOCAL_INCLUDE_DIR): Define (moved from config/i386/djgpp.h).
        (GCC_DRIVER_HOST_INITIALIZATION): Fix reporting fatal
        installation errors.
        (MAX_OFILE_ALIGNMENT): Define to 128.
        (HAVE_FTW_H): Undefine as DJGPP do not have nftw, but have ftw.h.

        * config/i386/djgpp.c: New file. Add implementation of
        i386_djgpp_asm_named_section.

        * config/i386/djgpp.opt: Remove obsolete option -mbnu210.

        * config/i386/t-djgpp: New file. Add djgpp.o to EXTRA_OBJS.
        Add rule for building djgpp.o.

2016-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (v2df_reduction_p): New function.
        (rtx_is_swappable_p): Reductions are swappable.
        (insn_is_swappable_p): V2DF reductions are swappable.

2016-01-11  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.c (pa_emit_move_sequence): Handle floating point
        reloads for other unsupported memory operands.

2016-01-12  Kugan Vivekanandarajah  <kuganv@linaro.org>
            Jim Wilson  <jim.wilson@linaro.org>

        PR target/69194
        * config/arm/arm-builtins.c (arm_expand_neon_args): Call
        copy_to_mode_reg instead of force_reg.

2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/69225
        * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Set to 2 only if
        TARGET_80387 is true.

2016-01-11  Jakub Jelinek  <jakub@redhat.com>

        PR target/69071
        * lra-eliminations.c (move_plus_up): Only move plus up
        if subreg of the constant can be simplified into constant
        and use the simplified subreg of the constant instead of
        the original constant.

        * fold-const.c (fold_convertible_p): Don't return true
        for conversion of VECTOR_TYPE to same sized integral type.
        (fold_convert_loc): Fix up formatting.  Fold conversion of
        VECTOR_TYPE to same sized integral type using VIEW_CONVERT_EXPR
        instead of NOP_EXPR.

        PR tree-optimization/69214
        * tree-vrp.c (simplify_cond_using_ranges): Don't propagate
        innerop into a comparison if SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
        Formatting fix.

        PR tree-optimization/69207
        * tree-vect-slp.c (vect_get_constant_vectors): For
        VECTOR_BOOLEAN_TYPE_P, assert op has integral type instead of
        fold_convertible_p to vector_type's element type, and always
        use VCE for non-VECTOR_BOOLEAN_TYPE_P.

2016-01-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69173
        * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns): Only
        fixup the cycle if all stmts are in a pattern.

2016-01-11  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/68999
        * alias.c (base_alias_check): Move check for addresses with
        alignment ANDs before the call for compare_base_decls.
        (memrefs_conflict_p): Return -1 for different decls
        that went through alignment adjustments.

2016-01-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/68796
        * config/aarch64/aarch64.md (*and<mode>_compare0): New pattern.
        * config/aarch64/aarch64.c (aarch64_select_cc_mode): Handle HImode
        and QImode comparisons against zero with CC_NZmode.
        * config/aarch64/iterators.md (short_mask): New mode_attr.

2016-01-11  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (<avx512>_load<mode>_mask): Remove snprintf.
        (<avx512>_store<mode>_mask): Likewise.

2016-01-11  Bernd Schmidt  <bschmidt@redhat.com>
            Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/68841
        * ifcvt.c (struct noce_if_info): Add orig_x field.
        (bbs_ok_for_cmove_arith): Add to_rename parameter.
        Don't record conflicts on to_rename if it's present.
        Allow memory destinations in sets.
        (noce_try_cmove_arith): Call bbs_ok_for_cmove_arith even on simple
        blocks, passing orig_x to the checks.
        (noce_process_if_block): Set if_info->orig_x appropriately.

2016-01-11  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69069
        * tree-parloops.c (create_parallel_loop): Add missing phi args.

2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR rtl-optimization/68920
        * config/i386/i386.c (ix86_option_override_internal): Restrict number
        of conditional moves for  RTL if-conversion to 1 for
        TARGET_ONE_IF_CONV_INSN.
        * config/i386/i386.h (TARGET_ONE_IF_CONV_INSN): New macros.
        * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): New macros.
        * params.def (PARAM_MAX_RTL_IF_CONVERSION_INSNS) : Introduce new
        parameter to restirct number of conditional moves for
        RTL if-conversion.
        * doc/invoke.texi (max-rtl-if-conversion-insns): Document it.
        * ifcvt.c (bb_ok_for_noce_convert_multiple_sets): Limit number of
        conditionl moves.

2016-01-11  Alexandre Oliva  <aoliva@redhat.com>

        PR bootstrap/69123
        * var-tracking.c (drop_overlapping_mem_locs): Operate on all
        onepart vars.  Fix typo in comment.  Fix reversed condition in
        unshare test.
        (dataflow_set_remove_mem_locs): Operate on all onepart vars.

        PR bootstrap/69123
        * var-tracking.c (dump_onepart_variable_differences): New.
        (dataflow_set_different): If a detailed dump is requested,
        delay early returns and dump differences between onepart
        variables present before and after, and added variables.

2016-01-11  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR target/69010
        * expr.c (expand_expr_real_1): For boolean vector constants
        with a scalar mode use const_scalar_mask_from_tree.
        (const_scalar_mask_from_tree): New.
        * optabs.c (expand_vec_cond_mask_expr): Use mask mode
        assigned to a mask type to handle constants.

2016-01-11  Martin Jambor  <mjambor@suse.cz>

        PR ipa/69044
        * ipa-cp.c (estimate_local_effects): Do not clone for removal of
        useless parameters if we cannot change function signature.

2016-01-11  Martin Jambor  <mjambor@suse.cz>

        PR ipa/66616
        * cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
        flag.

2016-01-11  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69109
        * tree-parloops.c (try_transform_to_exit_first_loop_alt): Don't allow
        latch with phi.

2016-01-11  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69108
        * tree-parloops.c (gather_scalar_reductions): Handle case that outer phi
        res is not used in a phi.

2016-01-11  Yury Gribov  <y.gribov@samsung.com>

        PR 67425
        * common.opt (frandom-seed): Fix parameter name.
        * doc/invoke.texi (frandom-seed): Ditto and describe parameter.

2016-01-11  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69058
        * tree-parloops.c (pass_parallelize_loops::execute): Return 0 if libgomp
        not supported.

2016-01-11  Andrew Burgess  <andrew.burgess@embecosm.com>

        * config/arc/arc.opt (mdiv-rem): Add period to the end.
        (mcode-density): Likewise.

2016-01-10  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69062
        * tree-parloops.c (loop_has_phi_with_address_arg): New function.
        (parallelize_loops): Don't paralelize loop that has phi with address
        arg.

2016-01-10  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69039
        * tree-parloops.c (try_create_reduction_list): Only allow single exit
        phi for reduction.

2016-01-09  John David Anglin  <danglin@gcc.gnu.org>

        PR middle-end/68743
        * match.pd: Require target has function_c99_misc before doing
        truncl(extend(x)) and trunc(extend(x)) -> extend(truncf(x)), etc.

2016-01-09  Gerald Pfeifer  <gerald@pfeifer.com>

        * configure.ac (isl_options_set_schedule_serialize_sccs): Also
        use GMPINC.
        * configure: Regenerate.

2016-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/50865
        PR tree-optimization/69097
        * fold-const.h (expr_not_equal_to): New prototype.
        * fold-const.c: Include stringpool.h and tree-ssanames.h.
        (expr_not_equal_to): New function.
        * match.pd (X % -Y is the same as X % Y): Don't optimize
        unless X is known not to be equal to minimum or Y is known
        not to be equal to -1.
        * tree-vrp.c (simplify_div_or_mod_using_ranges): Add GSI argument.
        fold TRUNC_MOD_EXPR if the second argument is not a power of two.
        (simplify_stmt_using_ranges): Adjust caller.
        (vrp_finalize): Call set_value_range on SSA_NAMEs before calling
        substitute_and_fold.

2016-01-09  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-icf.c (sem_item_optimizer::merge_classes): Do not ICE on VAR_DECL
        w/o DECL_NAME.

2016-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69167
        * gimple-fold.c (replace_stmt_with_simplification): Also punt if
        new SSA_NAME_OCCURS_IN_ABNORMAL_PHI SSA_NAMEs appear in operands of
        ops[0] comparison.
        * gimple-match-head.c (maybe_push_res_to_seq): Likewise.

2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>
            Richard Biener  <rguenther@suse.de>

        PR tree-optimization/68707
        * tree-vect-slp.c (vect_analyze_slp_instance): Cancel permuted SLP
        instances that can be handled via vect_load_lanes.

2016-01-08  Uros Bizjak  <ubizjak@gmail.com>

        * symtab.c (symtab_node::equal_address_to): Return -1 instead of 2
        if we can't determine address equivalence.
        * alias.c (compare_base_decl): Update for changed return value of
        symtab_node::equal_address_to.

2016-01-08  Jason Merrill  <jason@redhat.com>

        PR c++/68983
        PR c++/67557
        * function.c (assign_temp): Guard against TREE_ADDRESSABLE types here.
        * expr.c (store_field): Not here.
        * tree-cfgcleanup.c (fixup_noreturn_call): Don't clear LHS of a
        call with TREE_ADDRESSABLE type.
        * tree-cfg.c (verify_gimple_call): Adjust.

2016-01-08  Olivier Hainque  <hainque@adacore.com>

        * config/vxworks.h (VXWORKS_LIBGCC_SPEC): Don't link shared RTPs with
        libc_internal.

2016-01-08  Alan Lawrence  <alan.lawrence@arm.com>

        * gcc.target/rs6000/paired.md (reduc_smax_v2sf): Rename to...
        (reduc_smax_scal_v2sf): ...here, make result SFmode, extract element.
        (reduc_smin_v2sf): Rename to...
        (reduc_smin_scal_v2sf): ...here, make result SFmode, extract element.
        (reduc_splus_v2sf): Rename to...
        (reduc_plus_scal_v2sf): ...here, make result SFmode, extract element.

2016-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69162
        * gimplify.c (gimplify_va_arg_expr): Encode original type of
        valist argument in another argument.
        (gimplify_modify_expr): Adjust for the above change.  Cleanup.
        * tree-stdarg.c (expand_ifn_va_arg_1): Use new 3rd argument
        to determine the va_list type, build a MEM_REF instead of
        build_fold_indirect_ref.

        PR tree-optimization/69172
        * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
        gimple_build.

2016-01-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR tree-optimization/67781
        * tree-ssa-math-opts.c (find_bswap_or_nop): Zero out bytes in cmpxchg
        and cmpnop in two steps: first the ones not accessed in original
        gimple expression in a endian independent way and then the ones not
        accessed in the final result in an endian-specific way.

2016-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69083
        * tree-vect-slp.c (vect_get_constant_vectors): For
        VECTOR_BOOLEAN_TYPE_P assert op is fold_convertible_p to vector_type's
        element type.  If op is fold_convertible_p to vector_type's element
        type, use NOP_EXPR instead of VCE.

2016-01-08  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/67778
        PR rtl-optimization/68634
        PR rtl-optimization/68909
        * shrink-wrap.c (try_shrink_wrapping): Add comment.  Don't pop
        block from the stack until done with it.  Remove a superfluous
        bitmap set.  Remove a superfluous bitmap test.

2016-01-07  Martin Sebor  <msebor@redhat.com>

        PR c/68966
        * doc/extend.texi (__atomic Builtins, __sync Builtins): Document
        constraint on the type of arguments.

2016-01-07  Andreas Tobler  <andreast@gcc.gnu.org>

        * config/arm/freebsd.h: Rename SUBTARGET_OVERRIDE_OPTIONS to
        SUBTARGET_OVERRIDE_INTERNAL_OPTIONS. Adjust to check
        unaligned_access on the gcc_options set.
        * config/arm/arm.c (arm_option_override_internal): Use
        SUBTARGET_OVERRIDE_INTERNAL_OPTIONS.

2016-01-07  Uros Bizjak  <ubizjak@gmail.com>

        PR target/69140
        * config/i386/i386.c (ix86_frame_pointer_required): Enable
        frame pointer for TARGET_64BIT_MS_ABI when stack is misaligned.

2016-01-07  Uros Bizjak  <ubizjak@gmail.com>

        Revert
        2016-01-06  Uros Bizjak  <ubizjak@gmail.com>

        PR target/69140
        * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
        depending on frame_pointer_needed before remaining integer and SSE
        registers are saved.

2016-01-07  Sandra Loosemore  <sandra@codesourcery.com>

        PR 1078
        * doc/extend.texi (Nvidia PDX Function Attributes): New section.

2016-01-07  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/69171
        * config/i386/sse.md (<sse>_sqrt<mode>2<mask_name><round_name>):
        Use the "xBm" constraint.
        (float<sseintvecmodelower><mode>2<mask_name><round_name):
        Likewise.
        (sse_cvtsi2ss<round_name>): Use round_nimm_scalar_predicate.
        (sse_cvtsi2ssq<round_name>): Likewise.
        (sse_cvtss2si<round_name>): Likewise.
        (sse_cvtss2siq<round_name>): Likewise.
        (sse2_cvtsi2sdq<round_name>): Likewise.
        (sse2_cvtsd2si<round_name>): Likewise.
        (sse2_cvtsd2siq<round_name>): Likewise.
        * config/i386/subst.md (round_nimm_scalar_predicate): New
        predicate.

2015-12-15  Bernd Schmidt  <bschmidt@redhat.com>

        PR middle-end/67639
        * varasm.c (make_decl_rtl): Mark invalid register vars as
        DECL_EXTERNAL.

        PR rtl-optimization/66206
        * bt-load.c (find_btr_use): Change first arg to be a pointer to an rtx.
        All callers changed.

2016-01-07  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69141
        * tree-ssa-pre.c: Include langhooks.h.
        (eliminate_dom_walker::before_dom_children): Use
        lang_hooks.decl_printable_name instead of
        cgraph_node::get ()->name ().

        PR middle-end/68960
        * gimple-expr.c (copy_var_decl): If var has DECL_USER_ALIGN set, copy
        it and DECL_ALIGN too.

2016-01-06  Robert Suchanek  <robert.suchanek@imgtec.com>

        * config/mips/mips-ftypes.def: Sort to lexicographical order.

2016-01-06  Uros Bizjak  <ubizjak@gmail.com>

        PR target/69140
        * config/i386/i386.c (ix86_expand_prologue): Declare fs.sp_valid
        depending on frame_pointer_needed before remaining integer and SSE
        registers are saved.

2015-01-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/vsx.md (*p9_vecload_<mode>): Replace VSX_M
        mode iterator with VSX_M2.
        (*p9_vecstore_<mode>): Likewise.
        (*vsx_le_permute_<mode>): Restrict to !TARGET_P9_VECTOR.
        (*vsx_le_perm_load_<mode> for VSX_LE_128): Likewise.
        (*vsx_le_perm_store_<mode> for VSX_LE_128): Likewise.
        (define_split for VSX_LE128 stores): Likewise.
        (define_peephole2 for TImode LE swaps): Likewise.
        (define_split for VSX_LE128 post-reload stores): Likewise.

2016-01-06  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/69099
        * convert.c (convert_to_integer_1): Adjust call to
        ubsan_instrument_float_cast.  Use NULL_TREE instead of NULL.
        * ubsan.c (ubsan_instrument_float_cast): Drop the ARG parameter.  Use
        EXPR instead of ARG.
        * ubsan.h (ubsan_instrument_float_cast): Adjust declaration.

2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>

        PR 1078
        * doc/extend.texi (RL78 Variable Attributes): New section.

2016-01-05  Marek Polacek  <polacek@redhat.com>

        PR c/69104
        * builtins.c (get_memmodel): Use expansion point location rather than
        the input location.  Call warning_at rather than warning.
        (expand_builtin_atomic_compare_exchange): Likewise.
        (expand_builtin_atomic_load): Likewise.
        (expand_builtin_atomic_store): Likewise.
        (expand_builtin_atomic_clear): Likewise.

2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/68991
        * config/i386/i386.c (ix86_expand_vector_logical_operator):
        Replace nonimmediate_operand with vector_operand.
        * config/i386/predicates.md (vector_operand): New predicate.
        (general_vector_operand): Replace nonimmediate_operand with
        vector_operand.
        * config/i386/sse.md: Replace nonimmediate_operand with
        vector_operand and m constraint with Bm constraint on SSE
        patterns with 16-byte memory operand.
        * config/i386/subst.md (round_nimm_predicate): Replace
        nonimmediate_operand with vector_operand.
        (round_saeonly_nimm_predicate): Likewise.
        (round_saeonly_nimm_scalar_predicate): New.

2016-01-05  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/68991
        * config/i386/constraints.md (Bm): New constraint.
        * config/i386/predicates.md (vector_memory_operand): New
        predicate.
        * config/i386/sse.md: Replace xm with xBm in plusminus and
        any_logic patterns.

2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>

        PR 1078
        * doc/extend.texi (V850 Function Attributes): New section.
        (V850 Variable Attributes): New section.

2016-01-05  Sandra Loosemore  <sandra@codesourcery.com>

        PR 1078
        * doc/extend.texi (MicroBlaze Function Attributes): Document
        interrupt_handler and fast_interrupt attributes.

2016-01-05  Sergei Trofimovich  <siarheit@google.com>

        PR other/60465
        * config/ia64/ia64.c (ia64_expand_load_address): Use gprel64
        for local symbolic operands.
        * config/ia64/predicates.md (local_symbolic_operand64): New
        predicate.

2016-01-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/68651
        * combine.c (combine_simplify_rtx): Canonicalize x + x into
        x << 1.

2016-01-05  Nathan Sidwell  <nathan@acm.org>

        * alias.c (compare_base_decls): Use symtab_node::get.

2016-01-05  Nick Clifton  <nickc@redhat.com>

        PR target/68770
        * ira-costs.c (copy_cost): Initialise the t_icode field of the
        secondary_reload_info structure.

        PR target/66655
        * config/i386/cygming.h (MAKE_DECL_ONE_ONLY): Define to use weak
        decls if weak support is available.

2016-01-04  Martin Sebor  <msebor@redhat.com>

        * doc/invoke.texi (Warning Options): Document -Winvalid-memory-model.

2016-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add
        OPTION_MASK_P9_DFORM.

        * config/rs6000/constraints.md (wo constraint): New constraint for
        ISA 3.0 (power9).

        * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add support
        for wo constraint.
        (rs6000_init_hard_regno_mode_ok): Likewise.

        * config/rs6000/rs6000.h (r6000_reg_class_enum): Add support for
        wo constraint.

        * config/rs6000/altivec.md (altivec_vperm_<mode>): Clean up vperm
        expanders not to have constraints.  Add support for ISA 3.0 xxperm
        instruction.  Add support for fusing xxlor with xxperm.
        (altivec_vperm_<mode>_internal): Likewise.
        (altivec_vperm_v8hiv16qi): Likewise.
        (altivec_vperm_<mode>v16q): Likewise.
        (altivec_vperm_<mode>_uns): Likewise.
        (vperm_v8hiv4si): Likewise.
        (vperm_v16qiv8hi): Likewise.

        * doc/md.texi (RS/6000 constraints): Document wo constraint.

2016-01-04  Jakub Jelinek  <jakub@redhat.com>

        Update copyright years.

        * gcc.c (process_command): Update copyright notice dates.
        * gcov-dump.c (print_version): Ditto.
        * gcov.c (print_version): Ditto.
        * gcov-tool.c (print_version): Ditto.
        * gengtype.c (create_file): Ditto.
        * doc/cpp.texi: Bump @copying's copyright year.
        * doc/cppinternals.texi: Ditto.
        * doc/gcc.texi: Ditto.
        * doc/gccint.texi: Ditto.
        * doc/gcov.texi: Ditto.
        * doc/install.texi: Ditto.
        * doc/invoke.texi: Ditto.

2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>

        * config/arm/arm.c (aapcs_vfp_allocate_return_reg): Treat all integer
        modes larger than TImode as TImode if NEON is not enabled.

2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/69100
        * config/sparc/sparc.h (FUNCTION_ARG_REGNO_P): Return true in 64-bit
        mode for %f0-%f31 only if TARGET_FPU.

2016-01-04  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/69072
        * config/sparc/sparc.c (scan_record_type): Take into account subfields
        to compute the PACKED_P predicate.
        (function_arg_record_value): Minor tweaks.

2016-01-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * doc/install.texi (--with-multilib-list): Describe the meaning of the
        option for arm*-*-* targets.

2016-01-03  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Common Function Attributes): Move docs for
        MSP430-specific attributes to....
        (MSP430 Function Attributes): ...here.  Delete the redundant
        entries and copy-edit the remaining text.
        (MSP430 Variable Attributes): Use uniform format for index
        entries and add a cross-reference to the corresponding function
        attribute docs.

2016-01-03  Vladimír Čunát  <vcunat@gmail.com>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Fix
        -finite-math typo.
        (x86 Options): Likewise.

2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>

        PR 1078

        * extend.texi (Common Function Attributes) <no_stack_limit>: New.
        * invoke.texi (Code Gen Options) <-fno-stack-limit>: Add pointer
        to corresponding attribute.

2016-01-01  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Common Function Attributes) <noplt>: Move
        to correct alphabetization of table.  Copy-edit and correct
        markup.
        <stack_protect>: Likewise.
        <target_clones>: Likewise.
        <simd>: Likewise.
        * doc/invoke.texi (Optimize Options) <-fstack-protector-explicit>:
        Correct punctuation.
        (Code Gen Options) <-fno-plt>: Copy-edit.

2016-01-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR target/68917
        * config/tilegx/tilegx.md (clzsi2): Don't create DI subregs of
        SI values.  Explicitly convert SI to DI and vice-versa.

2016-01-01  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69070
        * tree-ssa-math-opts.c (gimple_expand_builtin_pow): Only test
        REAL_VALUE_ISSIGNALING_NAN on arg0 if arg0 is a REAL_CST.

        PR sanitizer/69055
        * ubsan.c (ubsan_instrument_float_cast): Call
        initialize_sanitizer_builtins.

        PR target/69015
        * ifcvt.c (find_cond_trap): Give up if returnjump_p (jump).
\f
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