re PR rtl-optimization/70886 (-frename-registers causes boostrap comparison failures...

[gcc.git] / gcc / ChangeLog

2016-05-02  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/70886
        * sched-deps.c (estimate_dep_weak): Canonicalize cselib values.

        * cselib.h (rtx_equal_for_cselib_1): Declare.
        (rtx_equal_for_cselib_p: New inline function.
        * cselib.c (rtx_equal_for_cselib_p): Delete.
        (rtx_equal_for_cselib_1): Make public.

2016-05-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
        (register_mixssei387nonimm_operand): Remove predicate.
        * config/i386/i386.md (*fop_<mode>_comm): Merge from
        *fop_<mode>_comm_mixed and *fop_<mode>_comm_i387.  Disable unsupported
        alternatives using "enabled" attribute.  Also check X87_ENABLE_ARITH
        for TARGET_MIX_SSE_I387 alternatives.
        (*fop_<mode>_1): Merge from *fop_<mode>_1_mixed and *fop_<mode>_1_i387.
        Disable unsupported alternatives using "enabled" attribute.  Use
        nonimm_ssenomem_operand as operand 1 predicate.  Also check
        X87_ENABLE_ARITH for TARGET_MIX_SSE_I387 alternatives.
        * config/i386/predicates.md (nonimm_ssenomem_operand): New predicate.
        (register_mixssei387nonimm_operand): Remove predicate.

2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>

        * tree.c (cst_and_fits_in_hwi): Simplify.

2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>

        * tree.h (wi::to_wide): New function.
        * expr.c (expand_expr_real_1): Use wi::to_wide.
        * fold-const.c (int_const_binop_1): Likewise.
        (extract_muldiv_1): Likewise.

2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>

        * wide-int.h: Update offset_int and widest_int documentation.
        (WI_SIGNED_SHIFT_RESULT): New macro.
        (wi::binary_shift): Define signed_shift_result_type for
        shifts on offset_int- and widest_int-like types.
        (generic_wide_int): Support <<= and >>= if << and >> are supported.
        * tree.h (int_bit_position): Use shift operators instead of wi::
         shifts.
        * alias.c (adjust_offset_for_component_ref): Likewise.
        * expr.c (get_inner_reference): Likewise.
        * fold-const.c (fold_comparison): Likewise.
        * gimple-fold.c (fold_nonarray_ctor_reference): Likewise.
        * gimple-ssa-strength-reduction.c (restructure_reference): Likewise.
        * tree-dfa.c (get_ref_base_and_extent): Likewise.
        * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Likewise.
        (stmt_kills_ref_p): Likewise.
        * tree-ssa-ccp.c (bit_value_binop_1): Likewise.
        * tree-ssa-math-opts.c (find_bswap_or_nop_load): Likewise.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
        (ao_ref_init_from_vn_reference): Likewise.

2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>

        * wide-int.h: Update offset_int and widest_int documentation.
        (WI_SIGNED_BINARY_PREDICATE_RESULT): New macro.
        (wi::binary_traits): Allow ordered comparisons between offset_int and
        offset_int, between widest_int and widest_int, and between either
        of these types and basic C types.
        (operator <, <=, >, >=): Define for the same combinations.
        * tree.h (tree_int_cst_lt): Use comparison operators instead
        of wi:: comparisons.
        (tree_int_cst_le): Likewise.
        * gimple-fold.c (fold_array_ctor_reference): Likewise.
        (fold_nonarray_ctor_reference): Likewise.
        * gimple-ssa-strength-reduction.c (record_increment): Likewise.
        * tree-affine.c (aff_comb_cannot_overlap_p): Likewise.
        * tree-parloops.c (try_transform_to_exit_first_loop_alt): Likewise.
        * tree-sra.c (completely_scalarize): Likewise.
        * tree-ssa-alias.c (stmt_kills_ref_p): Likewise.
        * tree-ssa-reassoc.c (extract_bit_test_mask): Likewise.
        * tree-vrp.c (extract_range_from_binary_expr_1): Likewise.
        (check_for_binary_op_overflow): Likewise.
        (search_for_addr_array): Likewise.
        * ubsan.c (ubsan_expand_objsize_ifn): Likewise.

2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_preferred_simd_mode): Remove enum keyword.
        (arc_save_restore): Likewise.
        (arc_dwarf_register_span): Likewise.
        (arc_output_pic_addr_const): Initialize suffix variable.

2016-05-02  Martin Liska  <mliska@suse.cz>

        * symbol-summary.h (function_summary::function_summary):
        Remove checking assert for all cgraph nodes.
        (function_summary::get): Check summary_uid.
        (symtab_insertion): Check summary_uid.

2016-05-02  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc-protos.h (compact_memory_operand_p): Declare.
        * config/arc/arc.c (arc_output_commutative_cond_exec): Consider
        bmaskn instruction.
        (arc_dwarf_register_span): Remove enum keyword.
        (compact_memory_operand_p): New function.
        * config/arc/arc.h (reg_class): Add code density register classes.
        (REG_CLASS_NAMES): Likewise.
        (REG_CLASS_CONTENTS): Likewise.
        * config/arc/arc.md (*movqi_insn): Add code density instructions.
        (*movhi_insn, *movsi_insn, *movsf_insn): Likewise.
        (*extendhisi2_i, andsi3_i, cmpsi_cc_insn_mixed): Likewise.
        (*cmpsi_cc_c_insn, *movsi_ne): Likewise.
        * config/arc/constraints.md (C2p, Uts, Cm1, Cm3, Ucd): New
        constraints.
        (h, Rcd, Rsd, Rzd): New register constraints.
        (T): Use compact_memory_operand_p function.
        * config/arc/predicates.md (compact_load_memory_operand): Remove.

2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>

        * config/sh/sh.md (*negnegt, *movtt): Remove.

2016-05-02  Marek Polacek  <polacek@redhat.com>
            Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/70700
        * tree-ssa-structalias.c (dump_pred_graph): Fix getting varinfo for ids
        bigger than FIRST_REF_NODE.

2016-05-02  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/52898
        * config/sh/sh.c (sh_option_override): Remove TARGET_CBRANCHDI4,
        TARGET_CMPEQDI_T.
        (prepare_cbranch_operands): Don't use scratch register.  Assume that
        function is used when pseudos can be created.
        (expand_cbranchdi4): Likewise.  Remove unused TARGET_CMPEQDI_T paths.
        * config/sh/sh.md (cbranchsi4): Allow only when pseudos can be created.
        (cbranchdi4, cbranchdi4_i): Simplify to single cbranchdi4
        define_expand.  Allow it only when pseudos can be created.
        * config/sh/sh.opt (mcbranchdi, mcmpeqdi): Delete.

2016-05-01  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/constraints.md (BC): Only allow -1 operands.
        * config/i386/sse.md (mov<mode>_internal): Add (v,C) alternative.
        Add "enabled" attribute.  Update XI mode attribute calculation.
        * config/i386/i386.md (*movxi_internal_avx512f): Add (v,C) alternative.
        (*movoi_internal_avx): Update XI mode attribute calculation.
        (*movti_internal): Ditto.

2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>

        * config/sh/sh.md (push, pop, ic_invalidate_line, cstoresi4, cstoredi4,
        cstoresf4, cstoredf4, fix_truncsfsi2): Remove constraints.

2016-05-01  Eric Botcazou  <ebotcazou@adacore.com>

        * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Do not use switch
        statement on instruction code.  Remove trailing spaces.
        (altivec_expand_stv_builtin): Likewise.

2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>

        * config/sh/sh.h (TARGET_SH4): Remove and use default implementation.
        (TARGET_FPU_DOUBLE): Simplify.
        (BASE_ARG_REG, DOUBLE_TYPE_SIZE, OPTIMIZE_MODE_SWITCHING): Replace
        'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions with 'TARGET_FPU_DOUBLE'.
        * config/sh/sh.c: Replace 'TARGET_SH4 || TARGET_SH2A_DOUBLE' conditions
        with 'TARGET_FPU_DOUBLE'.
        * config/sh/sh.md: Likewise.

2016-05-01  Yoshinori Sato  <ysato@users.sourceforge.jp>

        * config/sh/linux.h (SH_DIV_STRATEGY_DEFAULT,
        SH_DIV_STR_FOR_SIZE): Remove.
        * config/sh/netbsd-elf.h (SH_DIV_STRATEGY_DEFAULT,
        SH_DIV_STR_FOR_SIZE): Remove.

2016-05-01  Oleg Endo  <olegendo@gcc.gnu.org>

        * config/sh/predicates.md (any_register_operand, zero_extend_operand,
        logical_reg_operand): Delete.
        (arith_operand, arith_reg_dest, arith_or_int_operand, cmpsi_operand,
        arith_reg_or_0_operand, arith_reg_or_0_or_1_operand, logical_operand,
        logical_and_operand, movsrc_no_disp_mem_operand): Rewrite using
        match_operand and match_test.
        (sh_const_vec, sh_1el_vec): Remove redundant checks.  Declare local
        variables on their first use.  Return bool values.
        * config/sh/sh.h (LOAD_EXTEND_OP): Update comment.
        * config/sh/sh.md (andsi3, iorsi3): Use arith_reg_dest for result and
        arith_reg_operand for input operand.  Remove empty constraints.
        (xorsi3): Delete.
        (*xorsi3_compact): Rename to xorsi3.
        (zero_extend<mode>si2): Use arith_reg_operand for input operand.
        (*zero_extend<mode>si2_disp_mem): Update comment.
        (mov_nop): Delete.

2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>

        * config/sh/t-sh: Remove SH5 support.
        * config.gcc: Likewise.
        * configure: Likewise.

2016-04-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/darwin.h (LINK_COMMAND_SPEC_A): Handle -fcilkplus.

2016-04-30  Oleg Endo  <olegendo@gcc.gnu.org>

        * config/sh/sh.c (register_sh_passes, sh_option_override,
        sh_print_operand, prepare_move_operands,
        sh_can_follow_jump): Remove TARGET_SH1 checks.
        * config/sh/sh.h (TARGET_VARARGS_PRETEND_ARGS, VALID_REGISTER_P,
        PROMOTE_MODE): Likewise.
        * config/sh/sh.md (adddi3, addsi3, subdi3, subsi3, andsi3,
        movdi): Likewise.

2016-04-30  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_savres_strategy): Force inline
        restoring when fixed_reg_p, but allow out-of-line or stmw save.
        Check for user regs later to avoid unnecessary looping over regs.
        Merge user reg check with non-saved reg check.  Don't force
        inline VR restore when static chain used.
        (rs6000_frame_related): Omit eh_frame info for user regs when
        saving.
        (fixed_regs_p): Delete.

2016-04-30  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (SAVRES_MULTIPLE): Replace with..
        (SAVE_STRATEGY, REST_STRATEGY): ..this.  Renumber and sort enum.
        Update all uses.

2016-04-30  Alan Modra  <amodra@gmail.com>

        PR target/69645
        * config/rs6000/rs6000.c (fixed_reg_p): New function.
        (fixed_regs_p): Rename from global_regs_p.  Call fixed_reg_p.
        Update all uses.

2016-04-30  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
        Remove redundant PIC_OFFSET_TABLE_REGNUM test.  Replace with
        flag_pic test for Darwin.

2016-04-30  Alan Modra  <amodra@gmail.com>

        * regs.h (struct reg_info_t): Delete freq_calls_crossed and
        throw_calls_crossed.
        (REG_FREQ_CALLS_CROSSED): Delete.
        (REG_N_THROWING_CALLS_CROSSED): Delete.
        * regstat.c (regstat_bb_compute_ri): Don't calculate
        REG_FREQ_CALLS_CROSSED and REG_N_THROWING_CALLS_CROSSED.
        (dump_reg_info): Don't print call cross frequency.
        * ira.c (combine_and_move_insns): Don't set REG_FREQ_CALLS_CROSSED
        and REG_N_THROWING_CALLS_CROSSED.

2016-04-30  Alan Modra  <amodra@gmail.com>

        * regs.h (struct reg_info_t): Delete live_length.
        (REG_LIVE_LENGTH): Delete macro.
        * regstat.c (regstat_bb_compute_ri): Delete artificial_uses,
        local_live, local_processed and local_live_last_luid params.
        Replace bb_index param with bb.  Don't set REG_LIVE_LENGTH.
        Formatting fixes.
        (regstat_compute_ri): Adjust for above.  Don't set
        REG_LIVE_LENGTH.
        (dump_reg_info): Don't print live length.
        * ira.c (update_equiv_regs): Replace test of REG_LIVE_LENGTH
        with test of setjmp_crosses.  Don't set REG_LIVE_LENGTH.
        Localize loop_depth var.

2016-04-30  Alan Modra  <amodra@gmail.com>

        * ira.c (enum valid_equiv): New.
        (validate_equiv_mem): Return enum.
        (update_equiv_mem): Create replacement in more cases.
        (add_store_equivs): Update validate_equiv_mem call.

2016-04-30  Alan Modra  <amodra@gmail.com>

        * ira.c (combine_and_move_insns): Rather than scanning insns,
        use DF infrastucture to find use and def insns.

2016-04-30  Alan Modra  <amodra@gmail.com>

        ira.c (combine_and_move_insns): Move invariant conditions..
        (ira.c): ..to here.  Call combine_and_move_insns before
        add_store_equivs.  Call grow_reg_equivs later.  Allocate
        req_equiv later using max_reg_num() rather than global max_regno.
        (contains_replace_regs): Delete.
        (add_store_equivs): Remove contains_replace_regs test.

2016-04-30  Alan Modra  <amodra@gmail.com>

        * ira.c (struct equiv_mem_data): New.
        (equiv_mem, equiv_mem_modified): Delete static vars.
        (validate_equiv_mem_from_store): Use "data" param to communicate..
        (validate_equiv_mem): ..from here.

2016-04-30  Alan Modra  <amodra@gmail.com>

        * ira.c (add_store_equivs, combine_and_move_insns): New functions,
        split out from..
        (update_reg_equivs): ..here.  Move allocation and freeing of
        reg_equiv, and calls to grow_reg_equivs, init_alias_analysis,
        end_alias_analysis to..
        (ira): ..here.

2016-04-30  Alan Modra  <amodra@gmail.com>

        * ira.c (pdx_subregs): Delete.
        (struct equivalence): Add pdx_subregs field.
        (set_paradoxical_subreg): Remove pdx_subregs param.  Update
        pdx_subregs access.
        (update_equiv_regs): Don't create or free pdx_subregs.  Update
        pdx_subregs access.

2016-04-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/altivec.h: Change definitions of vec_xl and
        vec_xst.
        * config/rs6000/rs6000-builtin.def (LD_ELEMREV_V2DF): New.
        (LD_ELEMREV_V2DI): New.
        (LD_ELEMREV_V4SF): New.
        (LD_ELEMREV_V4SI): New.
        (LD_ELEMREV_V8HI): New.
        (LD_ELEMREV_V16QI): New.
        (ST_ELEMREV_V2DF): New.
        (ST_ELEMREV_V2DI): New.
        (ST_ELEMREV_V4SF): New.
        (ST_ELEMREV_V4SI): New.
        (ST_ELEMREV_V8HI): New.
        (ST_ELEMREV_V16QI): New.
        (XL): New.
        (XST): New.
        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        descriptions for VSX_BUILTIN_VEC_XL and VSX_BUILTIN_VEC_XST.
        * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Map from
        TARGET_P9_VECTOR to RS6000_BTM_P9_VECTOR.
        (altivec_expand_builtin): Add handling for
        VSX_BUILTIN_ST_ELEMREV_<MODE> and VSX_BUILTIN_LD_ELEMREV_<MODE>.
        (rs6000_invalid_builtin): Add error-checking for
        RS6000_BTM_P9_VECTOR.
        (altivec_init_builtins): Define builtins used to implement vec_xl
        and vec_xst.
        (rs6000_builtin_mask_names): Define power9-vector.
        * config/rs6000/rs6000.h (MASK_P9_VECTOR): Define.
        (RS6000_BTM_P9_VECTOR): Define.
        (RS6000_BTM_COMMON): Include RS6000_BTM_P9_VECTOR.
        * config/rs6000/vsx.md (vsx_ld_elemrev_v2di): New define_insn.
        (vsx_ld_elemrev_v2df): Likewise.
        (vsx_ld_elemrev_v4sf): Likewise.
        (vsx_ld_elemrev_v4si): Likewise.
        (vsx_ld_elemrev_v8hi): Likewise.
        (vsx_ld_elemrev_v16qi): Likewise.
        (vsx_st_elemrev_v2df): Likewise.
        (vsx_st_elemrev_v2di): Likewise.
        (vsx_st_elemrev_v4sf): Likewise.
        (vsx_st_elemrev_v4si): Likewise.
        (vsx_st_elemrev_v8hi): Likewise.
        (vsx_st_elemrev_v16qi): Likewise.
        * doc/extend.texi: Add prototypes for vec_xl and vec_xst.  Correct
        grammar.

2016-04-29  Patrick Palka  <ppalka@gcc.gnu.org>

        * tree-ssa-threadedge.c (simplify_control_stmt_condition): Split
        out into ...
        (simplify_control_stmt_condition_1): ... here.  Recurse into
        BIT_AND_EXPRs and BIT_IOR_EXPRs.

2016-04-29  David Edelsohn  <dje.gcc@gmail.com>

        PR target/69810
        * config/rs6000/rs6000.md (EXTQI): Don't allow extension to HImode.
        (zero_extendqi<mode>2_dot): Revert earlier conversion from
        define_insn_and_split to define_insn.
        (zero_extendqi<mode>2_dot2): Same.
        (extendqi<mode>2_dot): Same.
        (extendqi<mode>2_dot2): Same.

2016-04-29  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (unspec): Add UNSPEC_PROBE_STACK.
        (probe_stack): New expander.
        (probe_stack_<mode>): New insn pattern.

2016-04-29  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md
        (operations with memory inputs setting flags peephole2):
        Remove uneeded REG_P checks.  Cleanup pattern generation.

2016-04-29  Ilya Enkovich  <ilya.enkovich@intel.com>

        * tree-vect-loop.c (vect_transform_loop): Fix
        nb_iterations_upper_bound computation for vectorized loop.

2016-04-29  Marek Polacek  <polacek@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/70342
        * fold-const.c (tree_single_nonzero_warnv_p): For TARGET_EXPR, use
        TARGET_EXPR_SLOT as a base.

2016-04-29  Andrew Burgess  <andrew.burgess@embecosm.com>

        * config/arc/arc.md (*loadqi_update): Replace use of 'rI' constraint
        with 'rCm2' constraints to limit possible immediate size.
        (*load_zeroextendqisi_update): Likewise.
        (*load_signextendqisi_update): Likewise.
        (*loadhi_update): Likewise.
        (*load_zeroextendhisi_update): Likewise.
        (*load_signextendhisi_update): Likewise.
        (*loadsi_update): Likewise.
        (*loadsf_update): Likewise.

2016-04-29  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (constm1_operand): Fix comparison.

2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>

        * testsuite/gcc.target/arc/ieee_eq.c: New test.

2016-04-29  Oleg Endo  <olegendo@gcc.gnu.org>

        * common/config/sh/sh-common.c (sh_option_optimization_table): Remove
        remaining SH5 related settings.
        * config/sh/sh-protos.h (shmedia_cleanup_truncate,
        shmedia_prepare_call_address): Delete.
        * config/sh/sh.c (sh_print_operand, output_stack_adjust,
        DWARF_CIE_DATA_ALIGNMENT, LOCAL_ALIGNMENT): Update comments.
        * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC,
        UNSUPPORTED_SH2A): Remove m5 checks.
        (sh_divide_strategy_e): Remove SH5 division strategies.
        (TARGET_PTRMEMFUNC_VBIT_LOCATION): Remove and use default.
        * config/sh/sh.md (divsf3): Reinstate define_expand pattern.

2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_rtx_costs): Update documentation.

2016-04-29  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/2964.md ("z13_unit_fxu", "z13_0"): Remove lder.
        * config/s390/s390.md ("movsi_larl", "*movsi_esa", "mov<mode>"):
        Change lder to ldr.
        * config/s390/vector.md ("mov<mode>"): Likewise.

2016-04-29  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/constraints.md ("U", "W"): Invoke
        s390_mem_constraint with "ZR" and "ZT".
        * config/s390/s390.c (s390_check_qrst_address): Reject invalid
        addresses when using LRA.  Accept also short displacements for S
        and T constraints.  Do not check for long displacement target for
        S and T constraints.
        (s390_mem_constraint): Remove handling of U and W constraints.
        * config/s390/s390.md (various patterns): Remove the short
        displacement constraints (Q and R) if a long displacement
        constraint is present.  Add longdisp as required CPU capability.
        * config/s390/vector.md: Likewise.
        * config/s390/vx-builtins.md: Likewise.

2016-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

        PR target/60040
        * reload1.c (reload): Call finish_spills before
        restarting reload loop. Skip select_reload_regs
        if update_eliminables_and_spill returns true.

2016-04-29  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.h (UNSIGNED_INT12, UNSIGNED_INT16): Define.
        * config/arc/arc.md (umulhisi3): Use arc_short_operand predicate.
        (umulhisi3_imm): Update predicates and constraint letters.
        (umulhisi3_reg): Declare instruction as commutative.
        * config/arc/constraints.md (J12, J16): New constraints.
        * config/arc/predicates.md (short_unsigned_const_operand): New
        predicate.
        (arc_short_operand): Likewise.
        * testsuite/gcc.target/arc/umulsihi3_z.c: New file.

2016-04-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/13962
        PR tree-optimization/65686
        * tree-ssa-alias.h (ptrs_compare_unequal): Declare.
        * tree-ssa-alias.c (ptrs_compare_unequal): New function
        using PTA to compare pointers.
        * match.pd: Add pattern for pointer equality compare simplification
        using ptrs_compare_unequal.

2016-04-29  Richard Biener  <rguenther@suse.de>

        * stor-layout.c (layout_type): Do not build a pointer-to-element
        type for arrays.

2016-04-29  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (Load+RegOp to Mov+MemOp peephole2):
        Use SWI mode iterator.  Use general_reg_operand predicate.
        (Load+RegOp to Mov+MemOp peephole2 with vector regs): Split
        peephole to MMX and SSE part.  Use mmx_reg_operand and sse_reg_operand
        predicates.

2016-04-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/70843
        * fold-const.c (operand_equal_p): Don't verify hash value equality
        if arg0 == arg1.
        * tree.c (inchash::add_expr): Handle STATEMENT_LIST.  Ignore BLOCK
        and OMP_CLAUSE.

2016-04-28  Jakub Jelinek  <jakub@redhat.com>

        PR target/70858
        * config/i386/i386.c (bdesc_special_args): Add | OPTION_MASK_ISA_64BIT
        to __builtin_ia32_lwpval64 and __builtin_ia32_lwpins64.
        (bdesc_args): Add | OPTION_MASK_ISA_64BIT to __builtin_ia32_bextr_u64,
        __builtin_ia32_bextri_u64, __builtin_ia32_bzhi_di,
        __builtin_ia32_pdep_di and __builtin_ia32_pext_di.

2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (compute_save_world_info): Rename info_ptr
        to info.  Don't initialize separate fields to 0.  Clean up
        formatting a bit.

2016-04-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (peephole2s for operations with memory inputs):
        Use SWI mode iterator.
        (peephole2s for operations with memory outputs): Ditto.
        Do not check for stack checking probe.

        (probe_stack): Remove expander.

2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
            Andrew Burgess  <andrew.burgess@embecosm.com>

        * config/arc/arc.c (arc_print_operand): Print integer 'H' / 'L'
        operands as 32-bits.

2016-04-28  Jason Merrill  <jason@redhat.com>

        * gdbinit.in: Skip line-map.h.

2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
            Andrew Burgess  <andrew.burgess@embecosm.com>

        * config/arc/arc.c (arc_conditional_register_usage): Take
        TARGET_RRQ_CLASS into account.
        (arc_print_operand): Support printing 'p' and 's' operands.
        * config/arc/arc.h (TARGET_NPS_BITOPS_DEFAULT): Provide default
        as 0.
        (TARGET_RRQ_CLASS): Define.
        (IS_POWEROF2_OR_0_P): Define.
        * config/arc/arc.md (*movsi_insn): Add w/Clo, w/Chi, and w/Cbi
        alternatives.
        (*tst_movb): New define_insn.
        (*tst): Avoid recognition if it could prevent '*tst_movb'
        combination; replace c/CnL with c/Chs alternative.
        (*tst_bitfield_tst): New define_insn.
        (*tst_bitfield_asr): New define_insn.
        (*tst_bitfield): New define_insn.
        (andsi3_i): Add Rrq variant.
        (extzv): New define_expand.
        (insv): New define_expand.
        (*insv_i): New define_insn.
        (*movb): New define_insn.
        (*movb_signed): New define_insn.
        (*movb_high): New define_insn.
        (*movb_high_signed): New define_insn.
        (*movb_high_signed + 1): New define_split pattern.
        (*mrgb): New define_insn.
        (*mrgb + 1): New define_peephole2 pattern.
        (*mrgb + 2): New define_peephole2 pattern.
        * config/arc/arc.opt (mbitops): New option for nps400, uses
        TARGET_NPS_BITOPS_DEFAULT.
        * config/arc/constraints.md (q): Make register class conditional.
        (Rrq): New register constraint.
        (Chs): New constraint.
        (Clo): New constraint.
        (Chi): New constraint.
        (Cbf): New constraint.
        (Cbn): New constraint.
        (C18): New constraint.
        (Cbi): New constraint.

2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>

        * cfganal.c (bitmap_intersection_of_succs): Delete assert checking
        dst->popcount.
        (bitmap_intersection_of_preds): Ditto.
        (bitmap_union_of_succs): Ditto.
        (bitmap_union_of_preds): Ditto.
        * sbitmap.c (do_popcount): Delete.
        (BITMAP_DEBUGGING): Delete.
        (sbitmap_verify_popcount): Delete.
        (sbitmap_alloc): Don't initialize the popcount field.
        (sbitmap_alloc_with_popcount): Delete.
        (sbitmap_resize): Don't resize the popcount array.
        (sbitmap_vector_alloc): Don't initialize the popcount field.
        (bitmap_copy): Don't copy the popcount array.
        (bitmap_clear): Don't clear the popcount array.
        (bitmap_clear): Delete the popcount array handling.
        (bitmap_ior_and_compl): Delete the popcount assert.
        (bitmap_not): Ditto.
        (bitmap_and_compl): Ditto.
        (bitmap_and): Delete the popcount array handling.
        (bitmap_xor): Ditto.
        (bitmap_ior): Ditto.
        (bitmap_or_and): Delete the popcount assert.
        (bitmap_and_or): Ditto.
        (popcount_table): Delete.
        (sbitmap_elt_popcount): Delete.
        * sbitmap.h (simple_bitmap_def): Delete the popcount field.
        (bitmap_set_bit): Delete the popcount assert.
        (bitmap_clear_bit): Ditto.
        (sbitmap_free): Don't free the popcount array.
        (sbitmap_alloc_with_popcount): Delete declaration.
        (sbitmap_popcount): Ditto.

2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
            Andrew Burgess  <andrew.burgess@embecosm.com>

        * config/arc/arc.h (SYMBOL_FLAG_CMEM): Define.
        (TARGET_NPS_CMEM_DEFAULT): Provide default definition.
        * config/arc/arc.c (arc_address_cost): Return 0 for cmem_address.
        (arc_encode_section_info): Set SYMBOL_FLAG_CMEM where indicated.
        * config/arc/arc.opt (mcmem): New option.
        * config/arc/arc.md (*extendqihi2_i): Add r/Uex alternative,
        supply length for r/m alternative.
        (*extendqisi2_ac): Likewise.
        (*extendhisi2_i): Add r/Uex alternative, supply length for r/m and
        r/Uex alternative.
        (movqi_insn): Add r/Ucm and Ucm/?Rac alternatives.
        (movhi_insn): Likewise.
        (movsi_insn): Add r/Ucm,Ucm/w alternatives.
        (*zero_extendqihi2_i): Add r/Ucm alternative.
        (*zero_extendqisi2_ac): Likewise.
        (*zero_extendhisi2_i): Likewise.
        * config/arc/constraints.md (Uex): New memory constraint.
        (Ucm): New define_constraint.
        * config/arc/predicates.md (long_immediate_loadstore_operand):
        Return 0 for MEM with cmem_address address.
        (cmem_address_0): New predicates.
        (cmem_address_1): Likewise.
        (cmem_address_2): Likewise.
        (cmem_address): Likewise.

2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (machine_function): Rename
        insn_chain_scanned_p to spe_insn_chain_scanned_p.
        (rs6000_stack_info): Adjust.

2016-04-28  Joern Rennecke  <joern.rennecke@embecosm.com>
            Andrew Burgess  <andrew.burgess@embecosm.com>

        * config/arc/constraints.md (Usd): Convert to define_constraint.
        (Us<): Likewise.
        (Us>): Likewise.

2016-04-28  Jakub Jelinek  <jakub@redhat.com>

        PR target/70821
        * config/i386/sync.md (define_peephole2 *atomic_fetch_add_cmp<mode>):
        Add new peephole2 where the first insn is *mov<mode>_or instead of
        *mov<mode>_internal.

2016-04-28  Segher Boesssenkool  <segher@kernel.crashing.org>

        * tracer.c (bb_seen): Make static.

2016-04-28  Andrew Burgess  <andrew.burgess@embecosm.com>

        * common/config/arc/arc-common.c (arc_handle_option): Add NPS400
        support, setup defaults.
        * config/arc/arc-opts.h (enum processor_type): Add NPS400.
        * config/arc/arc.c (arc_init): Add NPS400 support.
        * config/arc/arc.h (CPP_SPEC): Add NPS400 defines.
        (TARGET_ARC700): NPS400 is also an ARC700.
        * config/arc/arc.opt: Add NPS400 options to -mcpu=.

2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/70668
        * config/nds32/nds32.md (casesi): Don't access the operands array
        out of bounds.

2016-04-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (zeroing peephole2): Use general_reg_operand.
        (or $-1,reg peephole2): Ditto.
        (strict_low_part zeroing peephole2): Use SWI12 mode iterator.

2016-04-28  Markus Trippelsdorf  <markus@trippelsdorf.de>

        * doc/extend.texi (Common Function Attributes) [optimize]:
        Discourage use of the optimize attribute.

2016-04-28  Bill Seurer  <seurer@linux.vnet.ibm.com>

        * config/rs6000/rs6000-builtin.def (vec_adde): Change vec_adde to a
        special case builtin.
        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Remove
        ALTIVEC_BUILTIN_VEC_ADDE.
        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
        support for ALTIVEC_BUILTIN_VEC_ADDE.
        * config/rs6000/rs6000.c (altivec_init_builtins): Add definition
        for __builtin_vec_adde.

2016-04-28  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.md (sse4_1_round<mode>2): Add avx512f alternative.
        * config/i386/sse.md (sse4_1_round<ssescalarmodesuffix>): Likewise.

2016-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR testsuite/70595
        * doc/sourcebuild.texi (Effective-Target Keywords, Other
        attributes): Document cilkplus_runtime.

2016-04-28  Martin Jambor  <mjambor@suse.cz>

        * tree-cfg.c (verify_expr): Verify that local declarations belong to
        this function.  Call verify_expr on MEM_REFs and bases of other
        handled_components.

2016-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * internal-fn.c (expand_arith_overflow): Convert preprocessor check
        for WORD_REGISTER_OPERATIONS to runtime check.

2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.h (ASM_SPEC): Pass mfpuda to assembler.

2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_process_double_reg_moves): Fix for
        big-endian compilation.
        * config/arc/arc.md (addf3): Likewise.
        (subdf3): Likewise.
        (muldf3): Likewise.

2016-04-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70840
        * match.pd: powi(-x, y) and powi(|x|,y) -> powi(x,y) if y is even;
        Fix pow(copysign(x, y), z) -> pow(x, z) and add powi variant;
        Mark x * pow(x,c) -> pow(x,c+1) commutative.
        Add powi(x,y) * powi(z,y) -> powi(x*z,y).

2015-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.h (WORD_REGISTER_OPERATIONS): Define to 0
        and explain why in a comment.

2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.md (cpu_facility): Add fpx variant.
        (subdf3): Prohibit use reverse sub when assist operations option
        is enabled.
        * config/arc/fpx.md (subdf3_insn, *dsubh_peep2_insn): Allow drsub
        instructions only when FPX is enabled.
        * testsuite/gcc.target/arc/trsub.c: New test.

2016-04-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*fop_<mode>_1_mixed): Do not check for
        mult_operator when calculating "type" attribute.
        (*fop_<mode>_1_i387): Ditto.
        (*fop_xf_1_i387): Ditto.
        (x87 stack loads peephole2): Add "reg = op (mem, reg)" peephole2.
        Use std::swap to swap operands.  Use RTL expressions to generate
        converted pattern.

2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>
            Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/arc/arc-protos.h (arc_legitimize_pic_address): Remove
        declaration.
        (emit_pic_move): Remove.
        (arc_eh_uses, insn_is_tls_gd_dispatch): Declare.
        * config/arc/arc.c (emit_pic_move): Removed.
        (TARGET_HAVE_TLS): Define.
        (arc_conditional_register_usage): Test for arc_tp_regno.
        (arc_print_operand, arc_print_operand_address): Handle TLS
        unspecs.
        (arc_needs_pcl_p): New function.
        (arc_legitimate_pc_offset_p): Use arc_needs_pcl_p.
        (arc_legitimate_pic_addr_p): Handle TLS unspecs.
        (arc_raw_symbolic_reference_mentioned_p): Likewise.
        (arc_get_tp, arc_emit_call_tls_get_addr): New function.
        (arc_legitimize_tls_address): Likewise.
        (DTPOFF_ZERO_SYM): Define.
        (arc_legitimize_pic_address): Make it static, handle TLS cases.
        (arc_output_pic_addr_const): Print TLS unspecs.
        (prepare_pic_move): New function, replaces emit_pic_move.
        (arc_legitimate_constant_p): Handle TLS unspecs.
        (arc_legitimate_address_p): Likewise.
        (arc_rewrite_small_data_p): Use assert for TLS constants.
        (prepare_move_operands): Use prepare_pic_move.
        (arc_legitimize_address): Legitimize tls addresses.
        (arc_epilogue_uses): Check for arc_tp_regno.
        (arc_eh_uses, insn_is_tls_gd_dispatch): New function.
        * config/arc/arc.h [DEFAULT_LIBC != LIBC_UCLIBC] (EXTRA_SPECS):
        Define.
        [DEFAULT_LIBC != LIBC_UCLIBC] (ARC_TLS_EXTRA_START_SPEC):
        Likewise.
        [DEFAULT_LIBC != LIBC_UCLIBC] (STARTFILE_SPEC): Add
        %(arc_tls_extra_start_spec).
        (TARGET_CPU_CPP_BUILTINS): Define __ARC_TLS_REGNO__.
        (REGNO_OK_FOR_BASE_P): Check for arc_tp_regno.
        (EH_USES): Define.
        (INSN_REFERENCES_ARE_DELAYED): Use insn_is_tls_gd_dispatch.
        * config/arc/arc.md (UNSPEC_TLS_GD, UNSPEC_TLS_LD, UNSPEC_TLS_IE)
        (UNSPEC_TLS_OFF): Add.
        (R10_REG): Define.
        (tls_load_tp_soft, tls_gd_load, tls_gd_get_addr, tls_gd_dispatch)
        (get_thread_pointersi): New patterns.
        * config/arc/arc.opt (mtp-regno): New option.
        * config/arc/predicates.md (move_src_operand): Handle TLS symbols.
        (move_dest_operand): Likewise.
        * configure: Regenerate.
        * configure.ac: Add arc*-*-* case to test for tls.
        * doc/invoke.texi (ARC options): Document mtp-regno.

2016-04-28  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_vector_mode_supported_p): Add support for
        the new ARC HS SIMD instructions.
        (arc_preferred_simd_mode): New function.
        (arc_autovectorize_vector_sizes): Likewise.
        (TARGET_VECTORIZE_PREFERRED_SIMD_MODE)
        (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
        (arc_init_reg_tables): Accept new ARC HS SIMD modes.
        (arc_init_builtins): Add new SIMD builtin types.
        (arc_split_move): Handle 64 bit vector moves.
        * config/arc/arc.h (TARGET_PLUS_DMPY, TARGET_PLUS_MACD)
        (TARGET_PLUS_QMACW): Define.
        * config/arc/builtins.def (QMACH, QMACHU, QMPYH, QMPYHU, DMACH)
        (DMACHU, DMPYH, DMPYHU, DMACWH, DMACWHU, VMAC2H, VMAC2HU, VMPY2H)
        (VMPY2HU, VADDSUB2H, VSUBADD2H, VADDSUB, VSUBADD, VADDSUB4H)
        (VSUBADD4H): New builtins.
        * config/arc/simdext.md: Add new ARC HS SIMD instructions.
        * testsuite/gcc.target/arc/builtin_simdarc.c: New file.

2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
            Matthias Klose  <doko@debian.org>

        * doc/cppenv.texi: Document SOURCE_DATE_EPOCH environment variable.

2016-04-28  Richard Biener  <rguenther@suse.de>

        PR middle-end/70777
        * fold-const.c (fold_binary_loc): Remove x*x to pow(x,2.0)
        canonicalization.

2016-04-28  Oleg Endo  <olegendo@gcc.gnu.org>

        * common/config/sh/sh-common.c: Remove SH5 support.
        * config/sh/constraints.md: Likewise.
        * config/sh/config/sh/elf.h: Likewise.
        * config/sh/linux.h: Likewise.
        * config/sh/netbsd-elf.h: Likewise.
        * config/sh/predicates.md: Likewise.
        * config/sh/sh-c.c: Likewise.
        * config/sh/sh-protos.h: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/sh.h: Likewise.
        * config/sh/sh.md: Likewise.
        * config/sh/sh.opt: Likewise.
        * config/sh/sync.md: Likewise.
        * config/sh/sh64.h: Delete.
        * config/sh/shmedia.h: Likewise.
        * config/sh/shmedia.md: Likewise.
        * config/sh/sshmedia.h: Likewise.
        * config/sh/t-netbsd-sh5-64: Likewise.
        * config/sh/t-sh64: Likewise.
        * config/sh/ushmedia.h: Likewise.

2016-04-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (sign_extend to memory peephole2s): Use
        general_reg_operand instead of register_operand predicate.

2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        * params.def (MIN_PARTITION_SIZE): Set default value to 10000.

2016-04-27  Marc Glisse  <marc.glisse@inria.fr>

        * match.pd (A - B > A, A + B < A): New transformations.

2016-04-27  Patrick Palka  <ppalka@gcc.gnu.org>

        * genattrtab.c (write_test_expr): New parameter EMIT_PARENS
        which defaults to true.  Emit an outer pair of parentheses only if
        EMIT_PARENS.  When continuing a chain of && or || (or & or |),
        don't emit parentheses for the right-hand operand.

2016-04-27  Jeff Law  <law@redhat.com>

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

2016-04-27  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/altivec.md (altivec_lvx_<mode>): Remove.
        (altivec_lvx_<mode>_internal): Document.
        (altivec_lvx_<mode>_2op): New define_insn.
        (altivec_lvx_<mode>_1op): Likewise.
        (altivec_lvx_<mode>_2op_si): Likewise.
        (altivec_lvx_<mode>_1op_si): Likewise.
        (altivec_stvx_<mode>): Remove.
        (altivec_stvx_<mode>_internal): Document.
        (altivec_stvx_<mode>_2op): New define_insn.
        (altivec_stvx_<mode>_1op): Likewise.
        (altivec_stvx_<mode>_2op_si): Likewise.
        (altivec_stvx_<mode>_1op_si): Likewise.
        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
        Expand vec_ld and vec_st during parsing.
        * config/rs6000/rs6000.c (altivec_expand_lvx_be): Commentary
        changes.
        (altivec_expand_stvx_be): Likewise.
        (altivec_expand_lv_builtin): Expand lvx built-ins to expose the
        address-masking behavior in RTL.
        (altivec_expand_stv_builtin): Expand stvx built-ins to expose the
        address-masking behavior in RTL.
        (altivec_expand_builtin): Change builtin code arguments for calls
        to altivec_expand_stv_builtin and altivec_expand_lv_builtin.
        (insn_is_swappable_p): Avoid incorrect swap optimization in the
        presence of lvx/stvx patterns.
        (alignment_with_canonical_addr): New function.
        (alignment_mask): Likewise.
        (find_alignment_op): Likewise.
        (recombine_lvx_pattern): Likewise.
        (recombine_stvx_pattern): Likewise.
        (recombine_lvx_stvx_patterns): Likewise.
        (rs6000_analyze_swaps): Perform a pre-pass to recognize lvx and
        stvx patterns from expand.
        * config/rs6000/vector.md (vector_altivec_load_<mode>): Use new
        expansions.
        (vector_altivec_store_<mode>): Likewise.

2016-04-26  Evandro Menezes  <e.menezes@samsung.com>

        * config/aarch64/aarch64.md
        (*movhf_aarch64): Add "movi %0, #0" to zero up register and
        remove the "fp" attributes.
        (*movsf_aarch64): Add "movi %0, #0" to zero up register and
        add the "simd" attributes.
        (*movdf_aarch64): Likewise.
        (*movtf_aarch64): Remove the "fp" attributes.
        * testsuite/gcc.target/aarch64/fmovf-zero-reg.c: Update accordingly.
        * testsuite/gcc.target/aarch64/fmovd-zero-reg.c: Likewise.

2016-04-27  David Malcolm  <dmalcolm@redhat.com>

        * emit-rtl.c (maybe_set_first_label_num): Strengthen param from
        rtx to rtx_code_label *.
        * rtl.h (maybe_set_first_label_num): Likewise.

2016-04-27  David Malcolm  <dmalcolm@redhat.com>

        * df-core.c (df_add_problem): Make the problem param be const.
        (df_remove_problem): Make local "problem" be const.
        * df-problems.c (problem_RD): Make const.
        (problem_LR): Likewise.
        (problem_LIVE): Likewise.
        (problem_MIR): Likewise.
        (problem_CHAIN): Likewise.
        (problem_WORD_LR): Likewise.
        (problem_NOTE): Likewise.
        (problem_MD): Likewise.
        * df-scan.c (problem_SCAN): Likewise.
        * df.h (struct df_problem): Make field "dependent_problem" be
        const.
        (struct dataflow): Likewise for field "problem".
        (df_add_problem): Make param const.

2016-04-27  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_spill_class): Enable for TARGET_SSE2 when
        inter-unit moves to/from vector registers are enabled.  Do not disable
        for TARGET_MMX.

2016-04-27  David Malcolm  <dmalcolm@redhat.com>

        * df.h (DF_SCAN, DF_LR, DF_LIVE, DF_RD, DF_CHAIN, DF_WORD_LR,
        DF_NOTE, DF_MD, DF_MIR, DF_LAST_PROBLEM_PLUS1): Convert from
        #define to...
        (enum df_problem_id): ...this new enum.
        (struct df_problem): Convert field "id" from "int" to
        enum df_problem_id.

2016-04-27  David Malcolm  <dmalcolm@redhat.com>

        * rtl.def: Update comment for "things in the instruction chain" to
        reflect the removal of the leading "i" field for INSN_UID in
        r210360.  Fix bogus apostrophe.

2016-04-27  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md
        (lea arith with mem operand + setcc peephole2): Set operator mode.

2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/70155
        * config/i386/i386.c (scalar_to_vector_candidate_p): Renamed to ...
        (dimode_scalar_to_vector_candidate_p): This.
        (timode_scalar_to_vector_candidate_p): New function.
        (scalar_to_vector_candidate_p): Likewise.
        (timode_check_non_convertible_regs): Likewise.
        (timode_remove_non_convertible_regs): Likewise.
        (remove_non_convertible_regs): Likewise.
        (remove_non_convertible_regs): Renamed to ...
        (dimode_remove_non_convertible_regs): This.
        (scalar_chain::~scalar_chain): Make it virtual.
        (scalar_chain::compute_convert_gain): Make it pure virtual.
        (scalar_chain::mark_dual_mode_def): Likewise.
        (scalar_chain::convert_insn): Likewise.
        (scalar_chain::convert_registers): Likewise.
        (scalar_chain::add_to_queue): Make it protected.
        (scalar_chain::emit_conversion_insns): Likewise.
        (scalar_chain::replace_with_subreg): Likewise.
        (scalar_chain::replace_with_subreg_in_insn): Likewise.
        (scalar_chain::convert_op): Likewise.
        (scalar_chain::convert_reg): Likewise.
        (scalar_chain::make_vector_copies): Likewise.
        (scalar_chain::convert_registers): New pure virtual function.
        (class dimode_scalar_chain): New class.
        (class timode_scalar_chain): Likewise.
        (scalar_chain::mark_dual_mode_def): Renamed to ...
        (dimode_scalar_chain::mark_dual_mode_def): This.
        (timode_scalar_chain::mark_dual_mode_def): New function.
        (timode_scalar_chain::convert_insn): Likewise.
        (dimode_scalar_chain::convert_registers): Likewise.
        (scalar_chain::compute_convert_gain): Renamed to ...
        (dimode_scalar_chain::compute_convert_gain): This.
        (scalar_chain::replace_with_subreg): Renamed to ...
        (dimode_scalar_chain::replace_with_subreg): This.
        (scalar_chain::replace_with_subreg_in_insn): Renamed to ...
        (dimode_scalar_chain::replace_with_subreg_in_insn): This.
        (scalar_chain::make_vector_copies): Renamed to ...
        (dimode_scalar_chain::make_vector_copies): This.
        (scalar_chain::convert_reg): Renamed to ...
        (dimode_scalar_chain::convert_reg ): This.
        (scalar_chain::convert_op): Renamed to ...
        (dimode_scalar_chain::convert_op): This.
        (scalar_chain::convert_insn): Renamed to ...
        (dimode_scalar_chain::convert_insn): This.
        (scalar_chain::convert): Call convert_registers.
        (convert_scalars_to_vector): Change to scalar_chain pointer to
        use timode_scalar_chain in 64-bit mode and dimode_scalar_chain
        in 32-bit mode.  Delete scalar_chain pointer.  Call
        free_dominance_info in 64-bit mode.
        (pass_stv::gate): Remove TARGET_64BIT check.
        (ix86_option_override): Put the 64-bit STV pass before the CSE
        pass.

2016-04-27  Pierre-Marie de Rodat  <derodat@adacore.com>

        * dwarf2out.h (struct dw_loc_descr_node): Remove the
        dw_loc_frame_offset field.
        * dwarf2out.c (new_loc_descr): Likewise.
        (resolve_args_picking_1): Turn the VISITED hash set into a
        FRAME_OFFSET hash map. Use it to associate a frame offset to
        visited nodes. Remove uses of the CHECKING_P macro.
        (resolve_args_picking): Update call to resolve_args_picking_1.

2016-04-27  Martin Liska  <mliska@suse.cz>

        * tree-ssa-loop-ivopts.c (iv_ca_dump): Fix level of indentation.
        (free_loop_data): Release vuses of groups.

2016-04-27  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (struct iv): Use pointer to struct iv_use
        instead of redundant use_id and boolean have_use_for.
        (struct iv_use): Change sub_id into group_id.  Remove field next.
        Move fields: related_cands, n_map_members, cost_map and selected
        to ...
        (struct iv_group): ... here.  New structure.
        (struct iv_common_cand): Use structure declaration directly.
        (struct ivopts_data, iv_ca, iv_ca_delta): Rename fields.
        (MAX_CONSIDERED_USES): Rename macro to ...
        (MAX_CONSIDERED_GROUPS): ... here.
        (n_iv_uses, iv_use, n_iv_cands, iv_cand): Delete.
        (dump_iv, dump_use, dump_cand): Refactor format of dump information.
        (dump_uses): Rename to ...
        (dump_groups): ... here.  Update all uses.
        (tree_ssa_iv_optimize_init, alloc_iv): Update all uses.
        (find_induction_variables): Refactor format of dump information.
        (record_sub_use): Delete.
        (record_use): Update all uses.
        (record_group): New function.
        (record_group_use, find_interesting_uses_op): Call above functions.
        Update all uses.
        (find_interesting_uses_cond): Ditto.
        (group_compare_offset): New function.
        (split_all_small_groups): Rename to ...
        (split_small_address_groups_p): ... here.  Update all uses.
        (split_address_groups):  Update all uses.
        (find_interesting_uses): Refactor format of dump information.
        (add_candidate_1): Update all uses.  Remove redundant check on iv,
        base and step.
        (add_candidate, record_common_cand): Remove redundant assert.
        (add_iv_candidate_for_biv): Update use.
        (add_iv_candidate_derived_from_uses): Update all uses.
        (add_iv_candidate_for_groups, record_important_candidates): Ditto.
        (alloc_use_cost_map): Ditto.
        (set_use_iv_cost, get_use_iv_cost): Rename to ...
        (set_group_iv_cost, get_group_iv_cost): ... here.  Update all uses.
        (determine_use_iv_cost_generic): Ditto.
        (determine_group_iv_cost_generic): Ditto.
        (determine_use_iv_cost_address): Ditto.
        (determine_group_iv_cost_address): Ditto.
        (determine_use_iv_cost_condition): Ditto.
        (determine_group_iv_cost_cond): Ditto.
        (determine_use_iv_cost): Ditto.
        (determine_group_iv_cost): Ditto.
        (set_autoinc_for_original_candidates): Update all uses.
        (find_iv_candidates): Update all uses.  Refactor dump information.
        (determine_use_iv_costs): Ditto.
        (determine_iv_costs): Ditto.
        (iv_ca_cand_for_use): Rename to ...
        (iv_ca_cand_for_group): ... here.  Update all uses.
        (iv_ca_add_use, iv_ca_add_group): Ditto.
        (iv_ca_set_cp, iv_ca_cost, iv_ca_delta_add): Update all uses.
        (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_delta_free): Ditto.
        (iv_ca_new, iv_ca_dump, iv_ca_extend, iv_ca_narrow): Ditto.
        (iv_ca_prune, cheaper_cost_with_cand, iv_ca_replace): Ditto.
        (try_add_cand_for, try_improve_iv_set, find_optimal_iv_set): Ditto.
        (create_new_iv, adjust_iv_update_pos): Ditto.
        (rewrite_use_address): Delete.
        (rewrite_use_address_1): Rename to ...
        (rewrite_use_address): ... here.
        (rewrite_use_compare): Update all uses.
        (rewrite_use): Delete.
        (rewrite_uses): Rename to ...
        (rewrite_groups): ... here.  Update all uses.
        (remove_unused_ivs, free_loop_data): Update all uses.
        (tree_ssa_iv_optimize_finalize, tree_ssa_iv_optimize_loop): Ditto.

2016-04-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * rtlanal.c (nonzero_bits1): Convert preprocessor check
        for WORD_REGISTER_OPERATIONS to runtime check.

2016-04-27  Richard Biener  <rguenther@suse.de>

        PR ipa/70760
        * tree-ssa-structalias.c (find_func_aliases_for_call): Use
        aggregate_value_p to determine if a function result is
        returned by reference.
        (ipa_pta_execute): Functions having their address taken are
        not automatically nonlocal.

2016-04-27  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/70683
        * tree-core.h (enum operand_equal_flag): Add OEP_NO_HASH_CHECK.
        * fold-const.c (operand_equal_p): If flag_checking and
        OEP_NO_HASH_CHECK is not set in flag, recurse with OEP_NO_HASH_CHECK
        and if it returns non-zero, assert iterative_hash_expr on both
        args is the same.

2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>

        * doc/invoke.texi (-frename-registers): Also enabled at -Os.

2016-04-27  Nick Clifton  <nickc@redhat.com>

        PR middle-end/49889
        * varasm.c (merge_weak): Generate an error if an attempt is made
        to convert a non-weak static function into a weak, public function.

2016-04-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        * params.def (MAX_PARTITION_SIZE): New param.
        * doc/invoke.texi: Document lto-max-partition.

2016-04-27  Richard Biener  <rguenther@suse.de>

        PR ipa/70785
        * tree-ssa-structalias.c (refered_from_nonlocal_fn): New
        function cummulating used_from_other_partition, externally_visible
        and force_output from aliases.
        (refered_from_nonlocal_var): Likewise.
        (ipa_pta_execute): Use call_for_symbol_and_aliases to cummulate
        node flags properly.

2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>

        * doc/invoke.texi (Warning Options): Add -Wmemset-elt-size.
        (-Wmemset-elt-size): New item.

2016-04-27  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/70759
        * stor-layout.h (internal_reference_types): Delete.
        * stor-layout.c (reference_types_internal): Likewise.
        (internal_reference_types): Likewise.
        (layout_type) <REFERENCE_TYPE>: Adjust.

2016-04-27  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/70683
        * tree.h (inchash::add_expr): Add FLAGS argument.
        * tree.c (inchash::add_expr): Likewise.  If not OEP_ADDRESS_OF,
        use STRIP_NOPS first.  For INTEGER_CST assert not OEP_ADDRESS_OF.
        For REAL_CST and !HONOR_SIGNED_ZEROS (t) hash +/- 0 the same.
        Formatting fix.  Adjust recursive calls.  For tcc_comparison,
        if swap_tree_comparison (code) is smaller than code, hash that
        and arguments in the other order.  Hash CONVERT_EXPR the same
        as NOP_EXPR.  For OEP_ADDRESS_OF hash MEM_REF with 0 offset
        of ADDR_EXPR of decl as the decl itself.  Add or remove
        OEP_ADDRESS_OF from recursive flags as needed.  For
        FMA_EXPR, WIDEN_MULT_{PLUS,MINUS}_EXPR hash the first two
        operands commutatively and only the third one normally.
        For internal CALL_EXPR hash in CALL_EXPR_IFN.

2016-04-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * config/rtems.h (LIB_SPEC): Add -latomic.

2016-04-27  Joel Sherrill  <joel@rtems.org>

        * config/microblaze/rtems.h: Redefine LINK_SPEC to avoid
        xilink.ld and flags not relevant to RTEMS.

2016-04-26  Zhouyi Zhou  <yizhouzhou@ict.ac.cn>

        * toplev.c (backend_init_target): Avoid calling init_reload when using
        LRA.

2016-04-26  Jakub Jelinek  <jakub@redhat.com>

        * reorg.c (try_merge_delay_insns): Declare i and j inside the
        for loops rather than one for the whole function.

2016-04-26  Marc Glisse  <marc.glisse@inria.fr>

        * match.pd (X + CST CMP X): New transformation.

2016-04-26  Marc Glisse  <marc.glisse@inria.fr>

        * genmatch.c (write_predicate): Add ATTRIBUTE_UNUSED.
        * fold-const.c (fold_binary_loc): Remove 2 transformations
        superseded by match.pd.
        * match.pd (x+x -> x*2): Generalize to integers.

2016-04-26  Bernd Schmidt  <bschmidt@redhat.com>

        * config/i386/i386.md (operation on memory peephole): Duplicate an
        existing peephole and adapt it to match lea rather than an operation
        that clobbers CC.

        PR rtl-optimization/57193
        * opts.c (default_options_table): Add OPT_frename_registers at -O2
        and above.
        * doc/invoke.texi (-frename-registers, -O2): Update documentation.

2016-04-26  Bin Cheng  <bin.cheng@arm.com>

        * tree-if-conv.c (any_pred_load_store): New static variable.
        (if_convertible_gimple_assign_stmt_p): Remove parameter.  Use
        any_pred_load_store instead of and_mask_load_store.
        (if_convertible_stmt_p, if_convertible_loop_p_1): Ditto.
        (if_convertible_loop_p, insert_gimplified_predicates): Ditto.
        (combine_blocks, tree_if_conversion): Ditto.

2016-04-26  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/70771
        PR tree-optimization/70775
        * tree-if-conv.c (if_convertible_phi_p): Remove check on special
        virtual PHI nodes.  Delete parameter.
        (if_convertible_loop_p_1): Delete argument to above function.
        (predicate_all_scalar_phis): Delete code handling single-argument
        PHIs.
        (tree_if_conversion): Mark and update virtual SSA.

2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/61821
        * config/i386/i386.c (LARGECOMM_SECTION_ASM_OP): Define default.
        (x86_elf_aligned_common): Rename to ...
        (x86_elf_aligned_decl_common): ... this.
        Add decl arg.  Switch to .lbss for largecomm object.  Use
        LARGECOMM_SECTION_ASM_OP.
        * config/i386/i386-protos.h (x86_elf_aligned_common): Reflect
        renaming.
        * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_COMMON): Rename to ...
        (ASM_OUTPUT_ALIGNED_DECL_COMMON): ... this.
        Pass new decl arg.
        * config/i386/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
        [!USE_GAS] (LARGECOMM_SECTION_ASM_OP): Define.

2016-04-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/59407
        * config/i386/i386.c (SECTION_LARGE): Define.
        (x86_64_elf_select_section): Set it for large data/bss sections.
        Only clear SECTION_WRITE for .lrodata.
        (x86_64_elf_section_type_flags): Set SECTION_LARGE for large
        data/bss sections.
        * config/i386/sol2.h (MACH_DEP_SECTION_ASM_FLAG): Define.
        * varasm.c (default_elf_asm_named_section): Grow flagchars.
        [MACH_DEP_SECTION_ASM_FLAG] Emit MACH_DEP_SECTION_ASM_FLAG for
        SECTION_MACH_DEP.
        * doc/tm.texi.in (Sections, MACH_DEP_SECTION_ASM_FLAG): Describe.
        * doc/tm.texi: Regenerate.

2016-04-26  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/70704
        * configure.ac (--enable-checking): Document extra flag, for
        non-release builds default to --enable-checking=yes,extra.
        If misc checking and extra checking, define CHECKING_P to 2 instead
        of 1.
        * common.opt (fchecking=): Add.
        * doc/invoke.texi (-fchecking=): Document.
        * doc/install.texi: Document --enable-checking changes.
        * configure: Regenerated.
        * config.in: Regenerated.

2016-04-25  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movxi_internal_avx512f): Use insn type
        attribute instead of which_alternative.
        * config/i386/sse.md (*mov<mode>_internal): Ditto.
        Use EXT_REX_SSE_REG_P where appropriate.

2016-04-25  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (const0_operand): Do not match
        const_wide_int code.
        (const1_operand): Ditto.

2016-04-25  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movoi_internal_avx): Set mode attribute to XI
        for SSE constm1 operands and TARGET_AVX512VL.
        (*movti_internal): Ditto.
        (*mov<mode>_or): Use constm1_operand predicate.
        * config/i386/sse.md (*mov<mode>_internal): Set mode attribute to XI
        for SSE vector_all_ones operands and TARGET_AVX512VL.
        * config/i386/predicates.md (constm1_operand): New predicate.
        * config/i386/i386.c (standard_sse_constant_opcode): Simplify
        emission of constant -1 load.

2016-04-25  Jason Merrill  <jason@redhat.com>

        * gdbinit.in: Skip is-a.h.

        * attribs.c (register_scoped_attributes): Fix logic.
        * attribs.h: Declare register_scoped_attributes.

2016-04-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000-builtin.def: Correct pasto error for
        stxvd2x and stxvw4x built-in functions.

2016-04-25  DJ Delorie  <dj@redhat.com>

        * config/msp430/msp430.md (ashlhi3): Optimize one bit shifts.
        (ashrhi3): Likewise.
        (lshrhi3): Likewise.

2016-04-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70780
        * tree-ssa-pre.c (compute_antic_aux): Also return true if the block
        wasn't visited yet.
        (compute_antic): Mark blocks with abnormal preds as visited as
        they have a final empty antic-in solution already.

2016-04-25  Michael Collison  <michael.collison@linaro.org>

        * ChangeLog(2016-04-25): Fix ChangeLog formatting.

2016-04-25  Michael Collison  <michael.collison@linaro.org>

        * config/arm/neon.md (widen_<us>sum<mode>): New patterns where
        mode is VQI to improve mixed mode vectorization.
        * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3): New
        define_insn to match low half of signed vaddw.
        * config/arm/neon.md (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): New
        define_insn to match high half of signed vaddw.
        * config/arm/neon.md (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): New
        define_insn to match low half of unsigned vaddw.
        * config/arm/neon.md (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): New
        define_insn to match high half of unsigned vaddw.
        * config/arm/arm.c (arm_simd_vect_par_cnst_half): New function.
        (arm_simd_check_vect_par_cnst_half_p): Likewise.
        * config/arm/arm-protos.h (arm_simd_vect_par_cnst_half): Prototype
        for new function.
        (arm_simd_check_vect_par_cnst_half_p): Likewise.
        * config/arm/predicates.md (vect_par_constant_high): Support
        big endian and simplify by calling
        arm_simd_check_vect_par_cnst_half
        (vect_par_constant_low): Likewise.

2016-04-25  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*lea<mode>_general_4): Use const_0_to_3_operand
        predicate for operand 2.

2016-04-24  Uros Bizjak  <ubizjak@gmail.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-protos.h (standard_sse_constant_p): Add
        machine_mode argument.
        * config/i386/i386.c (standard_sse_constant_p): Return 2 for
        constm1_rtx operands.  For VOIDmode constants, get mode from
        pred_mode.  Check mode size if the mode is supported by ABI.
        (standard_sse_constant_opcode): Do not use standard_constant_p.
        Strictly check ABI support for all-ones operands.
        (ix86_legitimate_constant_p): Handle TImode, OImode and XImode
        immediates. Update calls to standard_sse_constant_p.
        (ix86_expand_vector_move): Update calls to standard_sse_constant_p.
        (ix86_rtx_costs): Ditto.
        * config/i386/i386.md (*movxi_internal_avx512f): Use
        nonimmediate_or_sse_const_operand instead of vector_move_operand.
        Use (v,BC) alternative instead of (v,C). Use register_operand
        checks instead of MEM_P.
        (*movoi_internal_avx): Use nonimmediate_or_sse_const_operand instead
        of vector_move_operand.  Add (v,BC) alternative and corresponding avx2
        isa attribute.  Use register_operand checks instead of MEM_P.
        (*movti_internal): Use nonimmediate_or_sse_const_operand for
        TARGET_SSE.  Improve TARGET_SSE insn constraint.  Add (v,BC)
        alternative and corresponding sse2 isa attribute.
        (*movtf_internal, *movdf_internal, *movsf_interal): Update calls
        to standard_sse_constant_p.
        (FP constant splitters): Ditto.
        * config/i386/constraints.md (BC): Do not use standard_sse_constant_p.
        (C): Ditto.
        * config/i386/predicates.md (constm1_operand): Remove.
        (nonimmediate_or_sse_const_operand): Rewrite using RTX.
        * config/i386/sse.md (*<avx512>_cvtmask2<ssemodesuffix><mode>): Use
        vector_all_ones_operand instead of constm1_operand.

2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * print-rtl.c (print_rtx_insn_vec): New function.
        * print-rtl.h: New prototype.
        * store-motion.c (struct st_expr): Make avail_stores a vector.
        (st_expr_entry): Adjust.
        (free_st_expr_entry): Likewise.
        (print_store_motion_mems): Likewise.
        (find_moveable_store): Likewise.
        (compute_store_table): Likewise.
        (delete_store): Likewise.
        (build_store_vectors): Likewise.

2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * reorg.c (try_merge_delay_insns): Make merged_insns a vector.

2016-04-24  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * vec.h (vec_safe_contains): New function.
        (vec::contains): Likewise.
        (vec::begin): Likewise.
        (vec::end): Likewise.

2016-04-23  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/70712
        * cfgexpand.c (expand_stack_vars): Fix typo.

2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        * system.h (list, map, set, vector): Include conditionally.
        * auto-profile.c (INCLUDE_MAP, INCLUDE_SET): Define.
        * graphite-isl-ast-to-gimple.c (INCLUDE_MAP): Define.
        * ipa-icf.c (INCLUDE_LIST): Define.
        * config/aarch64/cortex-a57-fma-steering.c (INCLUDE_LIST): Define.
        * config/sh/sh.c (INCLUDE_VECTOR): Define.
        * config/sh/sh_treg_combine.cc (INCLUDE_ALGORITHM): Define.
        (INCLUDE_LIST, INCLUDE_VECTOR): Define.
        * cp/logic.cc (INCLUDE_LIST): Define.
        * fortran/trans-common.c (INCLUDE_MAP): Define.

2016-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        * auto-profile.c: Remove <string.h> include.
        * ipa-icf-gimple.c: Remove <list> include.
        * diagnostic.c: Remove <new> include.
        * genmatch.c: Likewise.
        * pretty-print.c: Likewise.
        * toplev.c: Likewise
        * c/c-objc-common.c: Likewise.
        * cp/error.c: Likewise.
        * fortran/error.c: Likewise.

2016-04-22  Richard Biener  <rguenther@suse.de>

        * lto-streamer-in.c (input_ssa_names): Do not allocate
        GIMPLE_NOP for all SSA names.
        * lto-streamer-out.c (output_ssa_names): Do not output
        SSA names that should have been released.

2016-04-22  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70740
        * tree-ssa-phiprop.c (propagate_with_phi): Handle inserted
        VDEF.

2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/70750
        * config/i386/predicates.md (call_insn_operand): Replace
        sibcall_memory_operand with memory_operand.

2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>

        * tree-vrp.c (register_edge_assert_for_2): Remove redundant
        has_single_use() tests.
        (register_edge_assert_for_1): Likewise.
        (find_assert_locations_1): Check the liveness bitmap instead of
        checking has_single_use().

2016-04-21  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/70728
        * gcc/config/i386/sse.md (define_insn "<shift_insn><mode>3<mask_name>"):
        Extract AVX-512BW constraint from AVX.

2016-04-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70725
        * tree-if-conv.c (if_convertible_phi_p): Adjust guard
        for phi_convertible_by_degenerating_args.
        (predicate_all_scalar_phis): Handle single-argument PHIs.

2016-04-21  Richard Biener  <rguenther@suse.de>

        PR middle-end/70747
        * fold-const.c (fold_comparison): Return properly typed
        constant boolean.

2016-04-21  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/70715
        * tree-ssa-loop-niter.c (loop_exits_before_overflow): Check equality
        after expanding BASE using expand_simple_operations.

2016-04-21  Marc Glisse  <marc.glisse@inria.fr>

        * match.pd (min(-x, -y), max(-x, -y), min(~x, ~y), max(~x, ~y)):
        New transformations.

2016-04-21  Marc Glisse  <marc.glisse@inria.fr>

        * match.pd (min(int_max, x), max(int_min, x)): New transformations.

2016-04-20  Jan Hubicka  <jh@suse.cz>

        * ipa-inline.c (can_inline_edge_p): Pass caller info to
        ultiimate_alias_target.
        (update_callee_keys): Likewise.
        (lookup_recursive_calls): Likewise.
        (speculation_useful_p): Likewise.

2016-04-20  Jan Hubicka  <jh@suse.cz>

        PR ipa/70018
        * cgraph.c (cgraph_set_nothrow_flag_1): Rename to ...
        (set_nothrow_flag_1): ... this; handle interposition correctly;
        recurse on aliases and thunks.
        (cgraph_node::set_nothrow_flag): New.
        * ipa-pure-const.c (ignore_edge_for_nothrow): Ignore calls to
        functions compiled with non-call exceptions that binds to current
        def.
        (propagate_nothrow): Be safe WRT interposition.
        * cgraph.h (set_nothrow_flag): Update prototype.

2016-04-18  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
        max_loop_iterations_int.
        (tree_unswitch_outer_loop): Likewise.

2016-04-20  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/69489
        * tree-if-conv.c (phi_convertible_by_degenerating_args): New.
        (if_convertible_phi_p): Call phi_convertible_by_degenerating_args.
        Revise dump message.
        (if_convertible_bb_p): Remove check on edge count of basic block's
        predecessors.

2016-04-20  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/56625
        PR tree-optimization/69489
        * tree-data-ref.h (DR_INNERMOST): New macro.
        * tree-if-conv.c (innermost_loop_behavior_hash): New class for
        hashing struct innermost_loop_behavior.
        (ref_DR_map): Remove.
        (innermost_DR_map): New map.
        (baseref_DR_map): Revise comment.
        (hash_memrefs_baserefs_and_store_DRs_read_written_info): Store DR
        to innermost_DR_map accroding to its innermost loop behavior.
        (ifcvt_memrefs_wont_trap): Get DR from innermost_DR_map according
        to its innermost loop behavior.
        (if_convertible_loop_p_1): Remove intialization for ref_DR_map.
        Add initialization for innermost_DR_map.  Record memory reference
        in DR_BASE_ADDRESS if the reference is compound one or it doesn't
        have innermost loop behavior.
        (if_convertible_loop_p): Remove release for ref_DR_map.  Release
        innermost_DR_map.

2016-04-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*lea<mode>_general_1): Rename from
        *lea_general_1.  Use explicit SWI12 mode interator.
        (*lea<mode>_general_2): Rename from *lea_general_2.
        Use explicit SWI12 mode interator.
        (*lea<mode>_general_3): Rename from *lea_general_3.
        Use explicit SWI12 mode interator.
        (*lea<SWI12:mode>_general_4): Split from *lea_general_4.
        Use explicit SWI12 mode interator.
        (*lea<SWI48:mode>_general_4): Split from *lea_general_4.
        Use explicit SWI48 mode interator.

2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_avx256_split_vector_move_misalign):
        Short-cut unaligned load and store cases.  Handle all integer
        vector modes.
        (ix86_expand_vector_move_misalign): Short-cut unaligned load
        and store cases.  Call ix86_avx256_split_vector_move_misalign
        directly without checking mode class.

2016-04-20  Andrew Pinski  <apinski@cavium.com>
            Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/64971
        * config/aarch64/aarch64.md (sibcall): Force call
        address to be DImode for ILP32.
        (sibcall_value): Likewise.

2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/invoke.texi: Replace -skip-rax-setup with -mskip-rax-setup.

2016-04-20  Richard Biener  <rguenther@suse.de>

        * gimple-match.h (maybe_build_generic_op): Adjust prototype.
        * gimple-match-head.c (maybe_build_generic_op): Pass all ops
        by reference, clear op1 and op2 when GENERICizing BIT_FIELD_REF.
        (maybe_push_res_to_seq): Adjust.
        * gimple-fold.c (maybe_build_generic_op): Likewise.

2016-04-20  Marek Polacek  <polacek@redhat.com>

        * tree-if-conv.c (is_false_predicate): For NULL_TREE return false
        rather than true.

2016-04-20  Ilya Enkovich  <ilya.enkovich@intel.com>

        * config/i386/sse.md (vec_unpacks_lo_hi): Always
        use kmovw to support AVX512F target.

2016-04-20  Bin Cheng  <bin.cheng@arm.com>

        * tree-scalar-evolution.c (interpret_rhs_expr): Handle BIT_AND_EXPR.

2016-04-20  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/70725
        * tree-if-conv.c (is_false_predicate): New function.
        (predicate_mem_writes): Use it.

2016-04-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70726
        * tree-vect-stmts.c (vectorizable_shift): Do not use scalar
        shift amounts from a pattern stmt operand.

2016-04-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        PR target/70674
        * config/s390/s390.c (s390_restore_gprs_from_fprs): Pick the new
        stack_restore_from_fpr pattern when restoring r15.
        (s390_optimize_prologue): Strip away the memory barrier in the
        parallel when trying to get rid of restore insns.
        * config/s390/s390.md ("stack_restore_from_fpr"): New insn
        definition for loading the stack pointer from an FPR.  Compared to
        the normal move insn this pattern includes a full memory barrier.

2016-04-19  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/70680
        * gimplify.c (gimplify_omp_for): Call omp_notice_variable for
        implicitly linear or lastprivate iterator on the outer context.

2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_legitimate_combined_insn): Remove
        alignment check.
        * config/i386/i386.md (ssememalign): Removed.
        * config/i386/sse.md: Remove ssememalign attribute from patterns.

2016-04-19  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/69201
        * config/i386/avx512bwintrin.h (_mm512_mask_loadu_epi16): Pass
        const short * to __builtin_ia32_loaddquhi512_mask.
        (_mm512_maskz_loadu_epi16): Likewise.
        (_mm512_mask_storeu_epi16): Pass short * to
        __builtin_ia32_storedquhi512_mask.
        (_mm512_mask_loadu_epi8): Pass const char * to
        __builtin_ia32_loaddquqi512_mask.
        (_mm512_maskz_loadu_epi8): Likewise.
        (_mm512_mask_storeu_epi8): Pass char * to
        __builtin_ia32_storedquqi512_mask.
        * config/i386/avx512fintrin.h (_mm512_loadu_pd): Pass
        const double * to __builtin_ia32_loadupd512_mask.
        (_mm512_mask_loadu_pd): Likewise.
        (_mm512_maskz_loadu_pd): Likewise.
        (_mm512_storeu_pd): Pass double * to
        __builtin_ia32_storeupd512_mask.
        (_mm512_mask_storeu_pd): Likewise.
        (_mm512_loadu_ps): Pass const float * to
        __builtin_ia32_loadups512_mask.
        (_mm512_mask_loadu_ps): Likewise.
        (_mm512_maskz_loadu_ps): Likewise.
        (_mm512_storeu_ps): Pass float * to
        __builtin_ia32_storeups512_mask.
        (_mm512_mask_storeu_ps): Likewise.
        (_mm512_mask_loadu_epi64): Pass const long long * to
        __builtin_ia32_loaddqudi512_mask.
        (_mm512_maskz_loadu_epi64): Likewise.
        (_mm512_mask_storeu_epi64): Pass long long *
        to __builtin_ia32_storedqudi512_mask.
        (_mm512_loadu_si512): Pass const int * to
        __builtin_ia32_loaddqusi512_mask.
        (_mm512_mask_loadu_epi32): Likewise.
        (_mm512_maskz_loadu_epi32): Likewise.
        (_mm512_storeu_si512): Pass int * to
        __builtin_ia32_storedqusi512_mask.
        (_mm512_mask_storeu_epi32): Likewise.
        * config/i386/avx512vlbwintrin.h (_mm256_mask_storeu_epi8): Pass
        char * to __builtin_ia32_storedquqi256_mask.
        (_mm_mask_storeu_epi8): Likewise.
        (_mm256_mask_loadu_epi16): Pass const short * to
        __builtin_ia32_loaddquhi256_mask.
        (_mm256_maskz_loadu_epi16): Likewise.
        (_mm_mask_loadu_epi16): Pass const short * to
        __builtin_ia32_loaddquhi128_mask.
        (_mm_maskz_loadu_epi16): Likewise.
        (_mm256_mask_loadu_epi8): Pass const char * to
        __builtin_ia32_loaddquqi256_mask.
        (_mm256_maskz_loadu_epi8): Likewise.
        (_mm_mask_loadu_epi8): Pass const char * to
        __builtin_ia32_loaddquqi128_mask.
        (_mm_maskz_loadu_epi8): Likewise.
        (_mm256_mask_storeu_epi16): Pass short * to.
        __builtin_ia32_storedquhi256_mask.
        (_mm_mask_storeu_epi16): Pass short * to.
        __builtin_ia32_storedquhi128_mask.
        * config/i386/avx512vlintrin.h (_mm256_mask_loadu_pd): Pass
        const double * to __builtin_ia32_loadupd256_mask.
        (_mm256_maskz_loadu_pd): Likewise.
        (_mm_mask_loadu_pd): Pass onst double * to
        __builtin_ia32_loadupd128_mask.
        (_mm_maskz_loadu_pd): Likewise.
        (_mm256_mask_storeu_pd): Pass double * to
        __builtin_ia32_storeupd256_mask.
        (_mm_mask_storeu_pd): Pass double * to
        __builtin_ia32_storeupd128_mask.
        (_mm256_mask_loadu_ps): Pass const float * to
        __builtin_ia32_loadups256_mask.
        (_mm256_maskz_loadu_ps): Likewise.
        (_mm_mask_loadu_ps): Pass const float * to
        __builtin_ia32_loadups128_mask.
        (_mm_maskz_loadu_ps): Likewise.
        (_mm256_mask_storeu_ps): Pass float * to
        __builtin_ia32_storeups256_mask.
        (_mm_mask_storeu_ps): ass float * to
        __builtin_ia32_storeups128_mask.
        (_mm256_mask_loadu_epi64): Pass const long long * to
        __builtin_ia32_loaddqudi256_mask.
        (_mm256_maskz_loadu_epi64): Likewise.
        (_mm_mask_loadu_epi64): Pass const long long * to
        __builtin_ia32_loaddqudi128_mask.
        (_mm_maskz_loadu_epi64): Likewise.
        (_mm256_mask_storeu_epi64): Pass long long * to
        __builtin_ia32_storedqudi256_mask.
        (_mm_mask_storeu_epi64): Pass long long * to
        __builtin_ia32_storedqudi128_mask.
        (_mm256_mask_loadu_epi32): Pass const int * to
        __builtin_ia32_loaddqusi256_mask.
        (_mm256_maskz_loadu_epi32): Likewise.
        (_mm_mask_loadu_epi32): Pass const int * to
        __builtin_ia32_loaddqusi128_mask.
        (_mm_maskz_loadu_epi32): Likewise.
        (_mm256_mask_storeu_epi32): Pass int * to
        __builtin_ia32_storedqusi256_mask.
        (_mm_mask_storeu_epi32): Pass int * to
        __builtin_ia32_storedqusi128_mask.
        * config/i386/i386-builtin-types.def (PCSHORT): New.
        (PINT64): Likewise.
        (V64QI_FTYPE_PCCHAR_V64QI_UDI): Likewise.
        (V32HI_FTYPE_PCSHORT_V32HI_USI): Likewise.
        (V32QI_FTYPE_PCCHAR_V32QI_USI): Likewise.
        (V16SF_FTYPE_PCFLOAT_V16SF_UHI): Likewise.
        (V8DF_FTYPE_PCDOUBLE_V8DF_UQI): Likewise.
        (V16SI_FTYPE_PCINT_V16SI_UHI): Likewise.
        (V16HI_FTYPE_PCSHORT_V16HI_UHI): Likewise.
        (V16QI_FTYPE_PCCHAR_V16QI_UHI): Likewise.
        (V8SF_FTYPE_PCFLOAT_V8SF_UQI): Likewise.
        (V8DI_FTYPE_PCINT64_V8DI_UQI): Likewise.
        (V8SI_FTYPE_PCINT_V8SI_UQI): Likewise.
        (V8HI_FTYPE_PCSHORT_V8HI_UQI): Likewise.
        (V4DF_FTYPE_PCDOUBLE_V4DF_UQI): Likewise.
        (V4SF_FTYPE_PCFLOAT_V4SF_UQI): Likewise.
        (V4DI_FTYPE_PCINT64_V4DI_UQI): Likewise.
        (V4SI_FTYPE_PCINT_V4SI_UQI): Likewise.
        (V2DF_FTYPE_PCDOUBLE_V2DF_UQI): Likewise.
        (V2DI_FTYPE_PCINT64_V2DI_UQI): Likewise.
        (VOID_FTYPE_PDOUBLE_V8DF_UQI): Likewise.
        (VOID_FTYPE_PDOUBLE_V4DF_UQI): Likewise.
        (VOID_FTYPE_PDOUBLE_V2DF_UQI): Likewise.
        (VOID_FTYPE_PFLOAT_V16SF_UHI): Likewise.
        (VOID_FTYPE_PFLOAT_V8SF_UQI): Likewise.
        (VOID_FTYPE_PFLOAT_V4SF_UQI): Likewise.
        (VOID_FTYPE_PINT64_V8DI_UQI): Likewise.
        (VOID_FTYPE_PINT64_V4DI_UQI): Likewise.
        (VOID_FTYPE_PINT64_V2DI_UQI): Likewise.
        (VOID_FTYPE_PINT_V16SI_UHI): Likewise.
        (VOID_FTYPE_PINT_V8SI_UHI): Likewise.
        (VOID_FTYPE_PINT_V4SI_UHI): Likewise.
        (VOID_FTYPE_PSHORT_V32HI_USI): Likewise.
        (VOID_FTYPE_PSHORT_V16HI_UHI): Likewise.
        (VOID_FTYPE_PSHORT_V8HI_UQI): Likewise.
        (VOID_FTYPE_PCHAR_V64QI_UDI): Likewise.
        (VOID_FTYPE_PCHAR_V32QI_USI): Likewise.
        (VOID_FTYPE_PCHAR_V16QI_UHI): Likewise.
        (V64QI_FTYPE_PCV64QI_V64QI_UDI): Removed.
        (V32HI_FTYPE_PCV32HI_V32HI_USI): Likewise.
        (V32QI_FTYPE_PCV32QI_V32QI_USI): Likewise.
        (V16HI_FTYPE_PCV16HI_V16HI_UHI): Likewise.
        (V16QI_FTYPE_PCV16QI_V16QI_UHI): Likewise.
        (V8HI_FTYPE_PCV8HI_V8HI_UQI): Likewise.
        (VOID_FTYPE_PV32HI_V32HI_USI): Likewise.
        (VOID_FTYPE_PV16HI_V16HI_UHI): Likewise.
        (VOID_FTYPE_PV8HI_V8HI_UQI): Likewise.
        (VOID_FTYPE_PV64QI_V64QI_UDI): Likewise.
        (VOID_FTYPE_PV32QI_V32QI_USI): Likewise.
        (VOID_FTYPE_PV16QI_V16QI_UHI): Likewise.
        * config/i386/i386.c (ix86_emit_save_reg_using_mov): Don't
        use UNSPEC_STOREU.
        (ix86_emit_restore_sse_regs_using_mov): Don't use UNSPEC_LOADU.
        (ix86_avx256_split_vector_move_misalign): Don't use unaligned
        load nor store.
        (ix86_expand_vector_move_misalign): Likewise.
        (bdesc_special_args): Use CODE_FOR_movvNXY_internal and pointer
        to scalar function prototype for unaligned load/store builtins.
        (ix86_expand_special_args_builtin): Updated.
        * config/i386/sse.md (UNSPEC_LOADU): Removed.
        (UNSPEC_STOREU): Likewise.
        (VI_ULOADSTORE_BW_AVX512VL): Likewise.
        (VI_ULOADSTORE_F_AVX512VL): Likewise.
        (ssescalarsize): Handle V4TI, V2TI and V1TI.
        (<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
        (*<sse>_loadu<ssemodesuffix><avxsizesuffix><mask_name>): Likewise.
        (<sse>_storeu<ssemodesuffix><avxsizesuffix>): Likewise.
        (<avx512>_storeu<ssemodesuffix><avxsizesuffix>_mask): Likewise.
        (<sse2_avx_avx512f>_loaddqu<mode><mask_name>): Likewise.
        (*<sse2_avx_avx512f>_loaddqu<mode><mask_name>"): Likewise.
        (sse2_avx_avx512f>_storedqu<mode>): Likewise.
        (<avx512>_storedqu<mode>_mask): Likewise.
        (*sse4_2_pcmpestr_unaligned): Likewise.
        (*sse4_2_pcmpistr_unaligned): Likewise.
        (*mov<mode>_internal): Renamed to ...
        (mov<mode>_internal): This.  Remove check of AVX and IAMCU on
        misaligned operand.  Replace vmovdqu64 with vmovdqu<ssescalarsize>.
        (movsd/movhpd to movupd peephole): Don't use UNSPEC_LOADU.
        (movlpd/movhpd to movupd peephole): Don't use UNSPEC_STOREU.

2016-04-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70171
        * tree-ssa-phiprop.c: Include stor-layout.h.
        (phiprop_insert_phi): Handle the aggregate copy case.
        (propagate_with_phi): Likewise.

2016-04-19  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_decompose_address): Use lowpart_subreg
        instead of simplify_gen_subreg (... , 0).
        (ix86_delegitimize_address): Ditto.
        (ix86_split_divmod): Ditto.
        (ix86_split_copysign_const): Ditto.
        (ix86_split_copysign_var): Ditto.
        (ix86_expand_args_builtin): Ditto.
        (ix86_expand_round_builtin): Ditto.
        (ix86_expand_special_args_builtin): Ditto.
        * config/i386/i386.md (TARGET_USE_VECTOR_FP_CONVERTS splitters): Ditto.
        (TARGET_SSE_PARTIAL_REG_DEPENDENCY splitters and peephole2s): Ditto.
        (udivmodqi4): Ditto.
        (absneg splitters): Ditto.
        (*jcc_bt<mode>_1): Ditto.

2016-04-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70724
        * tree-ssa-sccvn.c (scc_vn_restore_ssa_info): Split SSA info
        restoring out from ...
        (free_scc_vn): ... here.
        * tree-ssa-sccvn.h (scc_vn_restore_ssa_info): Declare.
        * tres-ssa-pre.c (pass_pre::execute): Restore SSA info before
        tail merging.
        (pass_fre::execute): Restore SSA info.

2016-04-19  Richard Biener  <rguenther@suse.de>

        * gimple-walk.h (struct walk_stmt_info): Add stmt member.
        * gimple-walk.c (walk_gimple_op): Initialize it.
        (walk_gimple_asm): Set wi->is_lhs before each callback invocation.
        * tree-inline.c (remap_gimple_op_r): Set SSA_NAME_DEF_STMT when
        remapping SSA names of defs.
        (copy_bb): Remove walk over all SSA defs and SSA_NAME_DEF_STMT
        adjustment.

2016-04-18  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/70689
        * lra-constraints.c (equiv_substition_p): New.
        (process_alt_operands): Use it.
        (swap_operands): Swap it.
        (curr_insn_transform): Update it.

2016-04-18  Michael Matz  <matz@suse.de>

        * tree.h (TYPE_ALIGN, DECL_ALIGN): Return shifted amount.
        (SET_TYPE_ALIGN, SET_DECL_ALIGN): New.
        * tree-core.h (tree_type_common.align): Use bit-field.
        (tree_type_common.spare): New.
        (tree_decl_common.off_align): Make smaller.
        (tree_decl_common.align): Use bit-field.

        * expr.c (expand_expr_addr_expr_1): Use SET_TYPE_ALIGN.
        * omp-low.c (install_var_field): Use SET_DECL_ALIGN.
        (scan_sharing_clauses): Ditto.
        (finish_taskreg_scan): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
        (omp_finish_file): Ditto.
        * stor-layout.c (do_type_align): Use SET_DECL_ALIGN.
        (layout_decl): Ditto.
        (relayout_decl): Ditto.
        (finalize_record_size): Use SET_TYPE_ALIGN.
        (finalize_type_size): Ditto.
        (finish_builtin_struct): Ditto.
        (layout_type): Ditto.
        (initialize_sizetypes): Ditto.
        * targhooks.c (std_gimplify_va_arg_expr): Use SET_TYPE_ALIGN.
        * tree-nested.c (insert_field_into_struct): Use SET_TYPE_ALIGN.
        (lookup_field_for_decl): Use SET_DECL_ALIGN.
        (get_chain_field): Ditto.
        (get_trampoline_type): Ditto.
        (get_nl_goto_field): Ditto.
        * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Use
        SET_DECL_ALIGN.
        (unpack_ts_type_common_value_fields): Use SET_TYPE_ALIGN.
        * gimple-expr.c (copy_var_decl): Use SET_DECL_ALIGN.
        * tree.c (make_node_stat): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
        (build_qualified_type): Use SET_TYPE_ALIGN.
        (build_aligned_type, build_range_type_1): Ditto.
        (build_atomic_base): Ditto.
        (build_common_tree_nodes): Ditto.
        * cfgexpand.c (align_local_variable): Use SET_DECL_ALIGN.
        (expand_one_stack_var_at): Ditto.
        * coverage.c (build_var): Use SET_DECL_ALIGN.
        * except.c (init_eh): Ditto.
        * function.c (assign_parm_setup_block): Ditto.
        * symtab.c (increase_alignment_1): Ditto.
        * tree-ssa-ccp.c (fold_builtin_alloca_with_align): Ditto.
        * tree-vect-stmts.c (ensure_base_align): Ditto.
        * varasm.c (align_variable): Ditto.
        (assemble_variable): Ditto.
        (build_constant_desc): Ditto.
        (output_constant_def_contents): Ditto.

        * config/arm/arm.c (arm_relayout_function): Use SET_DECL_ALIGN.
        * config/avr/avr.c (avr_adjust_type_node): Use SET_TYPE_ALIGN.
        * config/mips/mips.c (mips_std_gimplify_va_arg_expr): Ditto.
        * config/msp430/msp430.c (msp430_gimplify_va_arg_expr): Ditto.
        * config/spu/spu.c (spu_build_builtin_va_list): Use SET_DECL_ALIGN.

2016-04-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/70708
        * config/i386/sse.md (sse2_loadlpd): Accept load from "xm" and
        replace %vmovsd with "%vmovq".
        (vec_concatv2df): Likewise.

2016-04-18  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/mmx.md (*vec_extractv2sf_0): Use gen_lowpart.
        (*vec_extractv2si_0): Ditto.
        * config/i386/sse.md (*vec_extractv4sf_0): Ditto.
        (zero_extended_scalar_load_operand splitters): Ditto.
        (vec_extract splitters): Ditto.
        (*vec_extractv4si_0_zext): Ditto.
        (avx_<castmode><avxsizesuffix>_<castmode>): Use gen_lowpart
        and lowpart_subreg.
        (avx512f_<castmode><avxsizesuffix>_<castmode>): Ditto.
        (avx512f_<castmode><avxsizesuffix>_256<castmode>): Ditto.
        (*sse4_1_extractps): Use lowpart_subreg.

2016-04-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi (Specific, i?86-*-solaris2.10): Update gas and
        gld requirements.
        (Specific, *-*-solaris2*): Update Solaris 11 bundled gcc versions.
        Mention Solaris 11 packaging changes.
        Update gas and gld requirements.
        Remove reference to pre-Solaris 10 bug.
        (Specific, sparc-sun-solaris2*): Remove reference to pre-Solaris 10
        systems and bugs.
        (Specific, sparc64-*-solaris2*): Remove reference to bootstrap
        with cc.

2016-04-17  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-loop-ivopts.c (avg_loop_niter): Use also
        max_loop_iterations_int.

2016-04-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/43434
        * tree-ssa-structalias.c (struct vls_data): New.
        (visit_loadstore): Handle all pointer-based accesses.
        (compute_dependence_clique): Compute a bitmap of restrict tags
        assigned bases and pass it to visit_loadstore.

2016-04-18  Matthew Wahab  <matthew.wahab@arm.com>

        PR target/70711
        * config/arm/bpabi.h (BE8_LINK_SPEC): Add entries for armv8+crc,
        armv8.1-a and armv8.1-a+crc.

2016-04-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70701
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
        references after translating through a memcpy.

2016-04-18  Richard Biener  <rguenther@suse.de>

        * tree-ssa-pre.c (postorder, postorder_num): Make locals ...
        (compute_antic): ... here.  For partial antic use regular
        postorder and scrap iteration.
        (compute_partial_antic_aux): Remove unused return value.
        (init_pre): Do not allocate postorder.
        (fini_pre): Do not free postorder.

2016-04-18  Richard Biener  <rguenther@suse.de>

        PR middle-end/37870
        * expmed.c (extract_bit_field_1): Remove broken case
        using a wider MODE_INT mode.

2016-04-18  Segher Boessenkool  <segher@kernel.crashing.org>

        * has-brig.c (lendian16): Don't try to use __builtin_bswap16
        unless compiling with at least GCC-4.8.

2016-04-17  Jan Hubicka  <jh@suse.cz>

        PR bootstrap/70706
        * graphite.c (graphite_finalize): Update call to
        tree_estimate_probability.
        * predict.h (tree_estimate_probability): Update prototype.

2016-04-17  Jan Hubicka  <jh@suse.cz>

        * predict.c (combine_predictions_for_bb): Add dry_run parmaeter.
        (tree_estimate_probability): Likewise.
        (pass_profile::execute): Update.
        (report_predictor_hitrates): New function.
        * profile.c (compute_branch_probabilities): Use it.
        * predict.h (report_predictor_hitrates): Declare.

2016-04-17  Jan Hubicka  <jh@suse.cz>

        PR ipa/70018
        * cgraph.h (cgraph_node::set_const_flag,
        cgraph_node::set_pure_flag): Update prototype to return bool;
        update comment.
        * cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases): Thunks
        of interposable symbol are interposable, too.
        (cgraph_set_const_flag_1): Rename to ...
        (set_const_flag_1): ... this one; change to self recursive function
        instead of call_for_symbol_thunks_and_aliases. Handle correctly
        clearnig the flag in all variants and also virtual thunks of const
        functions are pure; track if any change was done.
        (cgraph_node::set_const_flag): Update.
        (struct set_pure_flag_info): New struct.
        (cgraph_set_pure_flag_1): Rename to ...
        (set_pure_flag_1): ... this one; take set_pure_flag_info parameter
        rather than pointer encoded flags; track if any changes was done;
        handle correctly clearning flag and setting flag of aliases already
        declared const.
        (cgraph_node::set_pure_flag): Update.
        (cgraph_node::set_nothrow_flag): Handle correctly clearning the flag.

2016-04-17  Tom de Vries  <tom@codesourcery.com>

        PR other/70433
        * pretty-print.c (pp_write_text_as_dot_label_to_stream): Escape
        backslash in label.

2016-04-17  Tom de Vries  <tom@codesourcery.com>

        * pretty-print.c (pp_write_text_as_dot_label_to_stream): Classify chars
        '{}<> ' as escape-for-record.

2016-04-17  Tom de Vries  <tom@codesourcery.com>

        * pretty-print.c (pp_write_text_as_dot_label_to_stream): Simplify loop
        structure.

2016-04-17  Tom de Vries  <tom@codesourcery.com>

        PR other/70185
        * tree-pass.h (class opt_pass): Remove graph_dump_initialized member.
        * dumpfile.h (struct dump_file_info): Add graph_dump_initialized field.
        * dumpfile.c (dump_files): Initialize graph_dump_initialized field.
        * passes.c (finish_optimization_passes): Only call
        finish_graph_dump_file if dfi->graph_dump_initialized.
        (execute_function_dump, pass_init_dump_file): Use
        dfi->graph_dump_initialized instead of pass->graph_dump_initialized.

2016-04-17  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/70256
        * tree-ssa-structalias.c (dump_varinfo, debug_varinfo, dump_varmap)
        (debug_varmap): New function.

2016-04-17  Tom de Vries  <tom@codesourcery.com>

        PR other/70183
        * passes.c (pass_manager::register_pass): Propagate pflags.

2016-04-17  Tom de Vries  <tom@codesourcery.com>

        PR other/68875
        * pass_manager.h (TERMINATE_PASS_LIST): Add pass argument.
        * passes.c (pass_manager::pass_manager): Declare and init p_start in
        INSERT_PASSES_AFTER.  Add pass parameter to TERMINATE_PASS_LIST, and
        check if it's equal to p_start.
        * passes.def: Add arguments to TERMINATE_PASS_LISTs.

2016-04-15  Jan Hubicka  <jh@suse.cz>

        PR ipa/70018
        * cgraph.c (cgraph_set_const_flag_1): Only set as pure if
        function does not bind to current def.
        * ipa-pure-const.c (worse_state): Add FROM and TO parameters;
        handle conservatively calls to functions that does not need to bind
        to current def.
        (check_call): Update call of worse_state.
        (ignore_edge_for_nothrow): Update.
        (ignore_edge_for_pure_const): Likewise.
        (propagate_pure_const): Update calls to worse_state.
        (skip_function_for_local_pure_const): Reformat comments.

2016-04-15  Jan Hubicka  <jh@suse.cz>

        PR ipa/70018
        * cgraph.c (cgraph_node::get_availability): Add REF parameter.
        (cgraph_node::function_symbol): Likewise.
        (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
        * cgraph.h (symtab_node::get_availabbility): Add REF parameter.
        (symtab_node::ultimate_alias_target): Add REF parameter.
        (symtab_node::binds_to_current_def_p): Declare.
        (symtab_node;:ultimate_alias_target_1): Add REF parameter.
        (cgraph_node::function_symbol): Likewise.
        (cgraph_node::function_or_virtual_thunk_symbol): Likewise.
        (cgraph_node::get_availability): Likewise.
        (cgraph_edge::binds_to_current_def_p): New inline function.
        (varpool_node::get_availability): Add REF parameter.
        (varpool_node::ultimate_alias_target): Likewise.
        * symtab.c (symtab_node::ultimate_alias_target_1): Likewise.
        (symtab_node::binds_to_current_def_p): Likewise.
        * varpool.c (varpool_node::get_availability): Likewise.

2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/70662
        * config/i386/sse.md(define_insn "<avx512>_vec_dup<mode><mask_name>"):
        Fix mode size check.

2016-04-15  Jakub Jelinek  <jakub@redhat.com>

        * BASE-VER: Set to 7.0.0.

2016-04-15  Alexander Monakov  <amonakov@ispras.ru>

        * config/nvptx/nvptx.opt (moptimize): Add a period at end of help text.

2016-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * doc/invoke.texi (ARM Options): Add note on deprecation of pre-ARMv4T
        architecture revisions.

2016-04-15  Bernd Schmidt  <bschmidt@redhat.com>

        * config/i386/i386-protos.h (ix86_using_red_zone): Declare.
        * config/i386/i386.c (ix86_using_red_zone): No longer static.
        * config/i386/i386.md (stack decrement to push peepholes): Guard
        with !x86_using_red_zone ().

2016-04-15  Jakub Jelinek  <jakub@redhat.com>

        PR c++/70675
        * tree-pretty-print.c (do_niy): Add FLAGS argument, pass it down
        to dump_generic_node.
        (NIY): Pass also flags to do_niy.

2016-04-15  Thomas Schwinge  <thomas@codesourcery.com>

        * omp-low.c (simd_clone_struct_alloc, simd_clone_struct_copy)
        (simd_clone_vector_of_formal_parm_types)
        (simd_clone_clauses_extract, simd_clone_compute_base_data_type)
        (simd_clone_mangle, simd_clone_create)
        (simd_clone_adjust_return_type, create_tmp_simd_array)
        (simd_clone_adjust_argument_types, simd_clone_init_simd_arrays)
        (struct modify_stmt_info, ipa_simd_modify_stmt_ops)
        (ipa_simd_modify_function_body, simd_clone_linear_addend)
        (simd_clone_adjust, expand_simd_clones, ipa_omp_simd_clone)
        (pass_data_omp_simd_clone, class pass_omp_simd_clone)
        (pass_omp_simd_clone::gate, make_pass_omp_simd_clone): Move into...
        * omp-simd-clone.c: ... this new file.
        (simd_clone_vector_of_formal_parm_types): Make it static.
        * Makefile.in (OBJS): Add omp-simd-clone.o.

2016-04-15  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/70662
        * config/i386/sse.md: Use proper memory operand modifiers.


2016-04-15  Richard Biener  <rguenther@suse.de>
        Alan Modra  <amodra@gmail.com>

        PR tree-optimization/70130
        * tree-vect-data-refs.c (vect_supportable_dr_alignment): Detect
        when alignment stays not the same and no not use the realign
        scheme then.

2016-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/70669
        * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
        direct move handlers for KFmode. Change TFmode handlers test from
        FLOAT128_IEEE_P to FLOAT128_VECTOR_P.

2016-04-14  Jakub Jelinek  <jakub@redhat.com>

        PR c++/70594
        * ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
        * ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
        (inlined_polymorphic_ctor_dtor_block_p): Use it.
        * tree-ssa-live.c (remove_unused_scope_block_p): When
        in_ctor_dtor_block, avoid discarding not just BLOCKs with
        BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
        block_ultimate_origin is FUNCTION_DECL.
        (remove_unused_locals): If current_function_decl is
        polymorphic_ctor_dtor_p, pass initial true to
        remove_unused_scope_block_p' is_ctor_dtor_block.

2016-04-14  Martin Sebor  <msebor@redhat.com>

        PR c++/69517
        PR c++/70019
        PR c++/70588
        * doc/extend.texi (Variable Length): Revert.

2016-04-14  Marek Polacek  <polacek@redhat.com>
            Jan Hubicka  <hubicka@ucw.cz>

        PR c++/70029
        * tree.c (verify_type): Disable the canonical type of main variant
        check.

2016-04-14  Jason Merrill  <jason@redhat.com>

        * cfgexpand.c, expr.c: Revert previous change.

2016-04-14  Cesar Philippidis  <cesar@codesourcery.com>

        PR middle-end/70643
        * omp-low.c (lower_oacc_reductions): Check for TREE_CONSTANT
        when building a mem ref for the incoming reduction variable.

2016-04-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70614
        * tree-scalar-evolution.c (analyze_evolution_in_loop): Terminate
        loop if the evolution dropped to chrec_dont_know.
        (interpret_condition_phi): Likewise.

2016-04-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70623
        * tree-ssa-pre.c (changed_blocks): Make global ...
        (compute_antic): ... local here.  Move and fix worklist
        handling here.  Do not clear EDGE_DFS_BACK or call mark_dfs_back_edges.
        (compute_antic_aux): Add dumping for MAX assumed succs.  Remove
        worklist handling, dump when ANTIC_IN changed.
        (compute_partial_antic_aux): Remove worklist handling.
        (init_pre): Do not compute post dominators.  Add a comment about
        the CFG order chosen.
        (fini_pre): Do not free post dominators.

2016-04-13  Martin Sebor  <msebor@redhat.com>

        PR c++/69517
        PR c++/70019
        PR c++/70588
        * doc/extend.texi (Variable Length): Document C++ specifics.

2016-04-13  Jakub Jelinek  <jakub@redhat.com>

        PR c++/70641
        * ipa-pure-const.c (pass_nothrow::execute): Call maybe_clean_eh_stmt
        on all recursive call stmts.  Return TODO_cleanup_cfg if any dead
        eh edges have been purged.

        PR c++/70594
        * tree-sra.c (create_access_replacement,
        get_replaced_param_substitute): Set DECL_NAMELESS on repl if it
        gets fancy name.
        * tree-pretty-print.c (dump_fancy_name): New function.
        (dump_decl_name, dump_generic_node): Use it.

2016-04-13  Jason Merrill  <jason@redhat.com>

        * cfgexpand.c (pass_expand::execute): Handle attribute "abi warning".
        * expr.c (expand_expr_real_1): Likewise.

2016-04-13  Ilya Enkovich  <ilya.enkovich@intel.com>

        * config/i386/i386.md (kunpckhi): Swap operands.
        (kunpcksi): Likewise.
        (kunpckdi): Likewise.
        * config/i386/sse.md (vec_pack_trunc_qi): Likewise.
        (vec_pack_trunc_<mode>): Likewise.

2016-04-13  Jakub Jelinek  <jakub@redhat.com>

        PR debug/70628
        * explow.c (convert_memory_address_addr_space_1): Formatting fix.

        PR middle-end/70633
        * gimplify.c (gimplify_init_constructor): Clear TREE_STATIC if
        gimplification turns some element into non-constant.

        PR debug/70628
        * rtl.h (convert_memory_address_addr_space_1): New prototype.
        * explow.c (convert_memory_address_addr_space_1): No longer static,
        add NO_EMIT argument and don't call convert_modes if true, pass
        it down recursively, remove break after return.
        (convert_memory_address_addr_space): Adjust caller.
        * simplify-rtx.c (simplify_unary_operation_1): Call
        convert_memory_address_addr_space_1 instead of convert_memory_address,
        if it returns NULL, don't simplify.

2016-04-12  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/70630
        * config/sparc/sparc.c (sparc_compute_frame_size): Add parentheses.

2016-04-12  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
        Bump the upper SIMDLEN limits, so that if the return type or
        characteristic type if the return type is void can be passed in
        all available SSE2/AVX/AVX2/AVX512-F registers, the SIMDLEN is
        allowed.

2016-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/70640
        * config/rs6000/rs6000.md (ieee_128bit_vsx_neg<mode>2_internal):
        Do not use "=" constraint on an input constraint.
        (ieee_128bit_vsx_abs<mode>2_internal): Likewise.
        (ieee_128bit_vsx_nabs<mode>2_internal): Likewise.
        (ieee_128bit_vsx_nabs<mode>2): Correct splitter so that it
        generates (neg (abs ...)) instead of (abs ...).

2016-04-12  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/70596
        * lra-spills.c (spill_pseudos): Don't delete debug insns, instead
        just invalidate LRA data and reset them.  Adjust dump wording.

2016-04-12  Martin Liska  <mliska@suse.cz>

        Revert
        2016-03-30  Jan Hubicka  <hubicka@ucw.cz>

        * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
        estimates here.
        * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
        max_loop_iterations_int.
        (tree_unswitch_outer_loop): Likewise.
        * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
        * tree-vect-loop.c (vect_analyze_loop_2): Likewise.

2016-04-12  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/68756
        * graphite-isl-ast-to-gimple.c (copy_cond_phi_args): Use new_expr
        instead of new_name.

2016-04-12  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/70602
        * tree-sra.c (generate_subtree_copies): Don't write anything into
        constant pool decls.

        * omp-low.c (lower_omp_target): Use GOMP_MAP_FIRSTPRIVATE_INT
        regardless whether there are depend clauses or not.

2016-04-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/70381
        * config/rs6000/rs6000.c (rs6000_opt_masks): Disable using the
        target attribute and pragma from changing the -mfloat128
        and -mfloat128-hardware options.

        * doc/extend.texi (Additional Floating Types): Document PowerPC
        __float128 restrictions.

2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>

        PR target/70133
        * config/aarch64/driver-aarch64.c
        (aarch64_get_extension_string_for_isa_flags): New.
        (arch_extension): Rename to...
        (aarch64_arch_extension): ...This.
        (ext_to_feat_string): Rename to...
        (aarch64_extensions): ...This.
        (aarch64_core_data): Keep track of architecture extension flags.
        (cpu_data): Rename to...
        (aarch64_cpu_data): ...This.
        (aarch64_arch_driver_info): Keep track of architecture extension
        flags.
        (get_arch_name_from_id): Rename to...
        (get_arch_from_id): ...This, change return type.
        (host_detect_local_cpu): Update and reformat for renames, handle
        extensions through common infrastructure.

2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>

        PR target/70133
        * config/aarch64/aarch64-common.c (aarch64_option_extension): Keep
        track of a canonical flag name.
        (all_extensions): Likewise.
        (arch_to_arch_name): Also track extension flags enabled by the arch.
        (all_architectures): Likewise.
        (aarch64_parse_extension): Move to here.
        (aarch64_get_extension_string_for_isa_flags): Take a new argument,
        rework.
        (aarch64_rewrite_selected_cpu): Update for above change.
        * config/aarch64/aarch64-option-extensions.def: Rework the way flags
        are handled, such that the single explicit value enabled by an
        extension is kept seperate from the implicit values it also enables.
        * config/aarch64/aarch64-protos.h (aarch64_parse_opt_result): Move
        to here.
        (aarch64_parse_extension): New.
        * config/aarch64/aarch64.c (aarch64_parse_opt_result): Move from
        here to config/aarch64/aarch64-protos.h.
        (aarch64_parse_extension): Move from here to
        common/config/aarch64/aarch64-common.c.
        (aarch64_option_print): Update.
        (aarch64_declare_function_name): Likewise.
        (aarch64_start_file): Likewise.
        * config/aarch64/driver-aarch64.c (arch_extension): Keep track of
        the canonical flag for extensions.
        * config.gcc (aarch64*-*-*): Extend regex for capturing extension
        flags.

2016-04-11  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64.h (AARCH64_FL_FOR_ARCH8_1): Also add
        AARCH64_FL_CRC.

2016-04-09  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/68953
        * graphite-sese-to-poly.c (pdr_add_memory_accesses): Order accesses from
        first to last subscript.

2016-04-09  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/70586
        * tree-ssa-ifcombine.c (bb_no_side_effects_p): Return false
        for any calls.

2016-04-08  Cesar Philippidis  <cesar@codesourcery.com>

        PR lto/70289
        PR ipa/70348
        PR tree-optimization/70373
        PR middle-end/70533
        PR middle-end/70534
        PR middle-end/70535
        * gimplify.c (gimplify_adjust_omp_clauses): Add or adjust data
        clauses for acc parallel reductions as necessary.  Error on those
        that are private.
        * omp-low.c (scan_sharing_clauses): Don't install variables which
        are used in acc parallel reductions.
        (lower_rec_input_clauses): Remove dead code.
        (lower_oacc_reductions): Add support for reference reductions.
        (lower_reduction_clauses): Remove dead code.
        (lower_omp_target): Don't remap variables appearing in acc parallel
        reductions.
        * tree.h (OMP_CLAUSE_MAP_IN_REDUCTION): New macro.

2016-04-08  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/70593
        * tree-ssa-coalesce.c (build_ssa_conflict_graph): For stmt
        with multiple SSA_NAME defs, force the outputs other than first
        to be live before calling live_track_process_def on each output.

        PR rtl-optimization/70574
        * fwprop.c (forward_propagate_and_simplify): Don't add
        REG_EQUAL note if DF_REF_REG (use) is a paradoxical subreg.
        (try_fwprop_subst): Don't add REG_EQUAL note if there are any
        paradoxical subregs within *loc.

2016-04-08  Thomas Schwinge  <thomas@codesourcery.com>

        * config/arc/arc.h (LINK_COMMAND_SPEC): Use gt to ignore
        -ftree-parallelize-loops={0,1}.
        * config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
        * config/i386/mingw32.h (GOMP_SELF_SPECS): Likewise.
        * config/ia64/hpux.h (LIB_SPEC): Likewise.
        * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
        * config/pa/pa64-hpux.h (LIB_SPEC): Likewise.

2016-04-08  Maxim Ostapenko  <m.ostapenko@samsung.com>

        PR sanitizer/70541
        * asan.c (instrument_derefs): If we get unknown location, extract it
        with EXPR_LOCATION.
        (maybe_instrument_call): Instrument gimple_call's arguments if needed.

2016-04-08  Tom de Vries  <tom@codesourcery.com>

        * omp-low.c (lower_omp_target): Set TREE_NO_WARNING for oacc
        implicit firstprivate clause.

2016-04-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/70566
        * config/arm/thumb2.md (tst + branch-> lsls + branch
        peephole below *orsi_not_shiftsi_si): Require that condition
        register is dead after the peephole.
        (second peephole after the above): Likewise.

2016-04-08  Alan Modra  <amodra@gmail.com>

        PR target/70117
        * builtins.c (fold_builtin_classify): For IBM extended precision,
        look at just the high-order double to test for NaN.
        (fold_builtin_interclass_mathfn): Similarly for Inf.  For isnormal
        test just the high double for Inf but both doubles for subnormal
        limit.

2016-04-07  Jakub Jelinek  <jakub@redhat.com>

        * cgraph.h (struct cgraph_simd_clone): Add mask_mode field.
        * omp-low.c (simd_clone_init_simd_arrays, simd_clone_adjust): Handle
        node->simdclone->mask_mode != VOIDmode masks.
        (simd_clone_adjust_argument_types): Likewise.  Move sc var definition
        earlier, use it instead of node->simdclone.
        * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
        Set clonei->mask_mode.

2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>

        PR c/70436
        * parser.c (cp_parser_iteration_statement): New parameter IF_P.
        Pass it through to cp_parser_already_scoped_statement.
        (cp_parser_already_scoped_statement): New parameter IF_P.  Pass
        it through to cp_parser_statement.
        (cp_parser_statement): Pass IF_P through to
        cp_parser_iteration_statement.
        (cp_parser_pragma): Adjust call to
        cp_parser_iteration_statement.

2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>

        PR c/70436
        * gimplify.c (gimplify_omp_ordered): Add explicit braces to
        resolve a future -Wparentheses warning.
        * omp-low.c (scan_sharing_clauses): Likewise.
        * tree-parloops.c (eliminate_local_variables): Likewise.

2016-04-06  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/70398
        * lra-constraints.c (process_address_1): Check zero scale and code
        for reloading with zero scale.

2016-04-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (shuffletype): Add V32HI and V4TI modes.
        (ssescalarsize): Add V8SF, V4SF, V4DF and V2DF modes.

2016-04-06  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
        Add support for AVX512F clones, include them by default for
        exported OpenMP declare simd functions.  For AVX2 allow simdlen 32
        and use it if charasteric type is 8-bit, for AVX512F allow simdlen
        up to 128.

        PR middle-end/70550
        * tree.h (OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT): Define.
        * gimplify.c (gimplify_adjust_omp_clauses_1): Set it for implicit
        firstprivate clauses.
        * omp-low.c (lower_send_clauses): Set TREE_NO_WARNING for
        OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT !by_ref vars in task contexts.
        (lower_omp_target): Set TREE_NO_WARNING for
        non-addressable possibly uninitialized vars which are copied into
        addressable temporaries or copied for GOMP_MAP_FIRSTPRIVATE_INT.

2016-04-05  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/predicates.md (integer_store_memory_operand): Accept
        REG+D operands with a large offset when reload_in_progress is true.
        (floating_point_store_memory_operand): Likewise.

2016-04-05  Jakub Jelinek  <jakub@redhat.com>

        PR c++/70336
        * match.pd (nested int casts): Limit to GIMPLE.

2016-04-05  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/66223
        * ipa-devirt.c (maybe_record_node): Fix comment; use
        SANITIZE_UNREACHABLE instead of SANITIZE_UNDEFINED.

2016-04-05  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/70542
        * ree.c (add_removable_extension): For VECTOR_MODE_P punt
        if there are any uses other than insn or debug insns.

2016-04-05  Marc Glisse  <marc.glisse@inria.fr>
            Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/70509
        * simplify-rtx.c (simplify_binary_operation_1) <case VEC_SELECT>:
        Shift HOST_WIDE_INT_1U instead of 1.

2016-04-05  Zdenek Sojka  <zsojka@seznam.cz>

        PR tree-optimization/70509
        * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
        of the vector base type for index.

2016-04-05  Uros Bizjak  <ubizjak@gmail.com>

        PR target/70510
        * config/i386/sse.md (iptr): Add V64QI, V32HI, V16SI and V8DI modes.

2016-04-05  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70526
        * tree-sra.c (build_ref_for_offset): Use prev_base to
        extract the alias pointer type.

2016-04-05  Richard Biener  <rguenther@suse.de>

        * dse.c (struct store_info): Remove alias_set member.
        (struct read_info_type): Likewise.
        (clear_alias_group, clear_alias_mode_table, clear_alias_mode_holder,
        spill_deleted, clear_alias_set_lookup): Remove.
        (get_group_info): Remove dead base == NULL_RTX case.
        (dse_step0): Remove initialization of removed variables.
        (delete_dead_store_insn): Reomve alias set dumping.
        (free_read_records): Remove alias_set handling.
        (canon_address): Remove alias_set_out parameter.
        (record_store): Remove spill_alias_set, it's always zero.
        (check_mem_read_rtx): Likewise.
        (dse_step2): Rename from ...
        (dse_step2_nospill): ... this.  Adjust.
        (scan_stores): Rename from ...
        (scan_stores_nospill): ... this.
        (scan_reads): Rename from ...
        (scan_reads_nospill): ... this.
        (scan_stores_spill, scan_reads_spill): Remove.
        (dse_step3_scan): Remove for_spills argument which is always false.
        (dse_step3): Likewise.
        (dse_step5): Rename from ...
        (dse_step5_nospill): ... this.  Remove alias_set handling.
        (rest_of_handle_dse): Adjust.

2016-04-05  Jakub Jelinek  <jakub@redhat.com>

        PR target/70525
        * config/i386/sse.md (*andnot<mode>3): Simplify assertions.
        Use vpandn<ssemodesuffix> for V16SI/V8DImode, vpandnq for
        V32HI/V64QImode, don't use <mask_operand3_1>, fix up formatting.
        (*andnot<mode>3_mask): Remove insn with VI12_AVX512VL iterator.

2016-04-05  Richard Biener  <rguenther@suse.de>

        PR middle-end/70499
        * gimplify-me.c (gimple_regimplify_operands): Do not rewrite
        non-register type temporaries into SSA.

2016-04-04  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/66223
        * ipa-devirt.c (maybe_record_node): Do not optimize cxa_pure_virtual
        calls when sanitizing.
        (possible_polymorphic_call_target_p): Fix formatting.

2016-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
            Jakub Jelinek <jakub@redhat.com>

        PR middle-end/70457
        * tree-inline.c (estimate_num_insn): Use gimple_call_builtin_p
        to ensure a call statement is compatible with a built-in's
        prototype.
        * tree-ssa-math-opts.c (pass_optimize_windening_mul::execute):
        Likewise.

2016-04-04  Richard Biener  <rguenther@suse.de>

        PR rtl-optimization/70484
        * rtl.h (canon_output_dependence): Declare.
        * alias.c (canon_output_dependence): New function.
        * dse.c (record_store): Use canon_output_dependence rather
        than canon_true_dependence.

2016-03-30  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/68881
        * cgraph.h (symtab_node::copy_visibility_from): New function.
        * symtab.c (symtab_node::copy_visibility_from): New function.
        * ipa-visibility.c (optimize_weakref): New function.
        (function_and_variable_visibility): Use it.

2016-04-04  Martin Liska  <mliska@suse.cz>

        PR hsa/70402
        * hsa-gen.c (gen_hsa_insns_for_switch_stmt): Guard index
        value that is really in range handled by SBR instruction.
        * hsa-brig.c (emit_switch_insn): Do not emit unconditional jump.
        * hsa-dump.c (dump_hsa_insn_1): Do not dump default BB.
        * hsa.h (hsa_insn_sbr::m_default_bb): Remove field.

2016-04-03  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/70416
        PR target/67391
        * config/sh/sh.md (*addsi3): Allow pattern when reload_in_progress is
        set, but not for SP_REG operands.

2016-04-02  Martin Sebor  <msebor@redhat.com>

        PR c++/67376
        * fold-const.c (maybe_nonzero_address): New function.
        (fold_comparison): Call it.  Fold equality and relational
        expressions involving null pointers.
        (tree_single_nonzero_warnv_p): Call maybe_nonzero_address.

2016-03-31  Evandro Menezes  <e.menezes@samsung.com>

        Fix the predicate "aarch64_simd_reg_or_zero" to correctly validate
        the "Y" constraint (scalar FP 0.0 immediate).

        * gcc/config/aarch64/predicates.md (aarch64_simd_reg_or_zero):
        Add the "const_double" to the list of operand constraints.

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

        PR rtl-optimization/70467
        * config/i386/i386.md (*add<dwi>3_doubleword, *sub<dwi>3_doubleword):
        If low word of the last operand is 0, just emit addition/subtraction
        for the high word.

2016-04-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        PR target/70404
        * config/s390/s390.c (s390_expand_insv): Check for everything
        constant instead of just VOIDmode stuff.

2016-04-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/70496
        * config/arm/arm.h (ASM_APP_OFF): Handle TARGET_ARM and TARGET_THUMB.

2016-04-01  Nathan Sidwell  <nathan@acm.org>

        * tree.def (TRY_CATCH_EXPR): Correct documentation.

2016-03-31  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/70461
        * ira-color.c (allocno_copy_cost_saving): Use allocno class if it
        is necessary.

2016-03-31  Martin Liska  <mliska@suse.cz>

        PR hsa/70399
        * hsa-brig.c (hsa_op_immed::emit_to_buffer): Emit either
        a tree value or an immediate integer value to a buffer
        that is eventually copied to a BRIG section.
        (emit_immediate_operand): Call the function here.
        * hsa-dump.c (dump_hsa_immed): Remove checking assert.
        * hsa-gen.c (hsa_op_immed::hsa_op_immed): Remove initialization
        of class' fields that are removed.
        (hsa_op_immed::~hsa_op_immed): Remove deinitialization.
        * hsa.h (class hsa_op_immed): Remove m_brig_repr and
        m_brig_repr_size fields.

2016-03-31  Martin Liska  <mliska@suse.cz>

        PR hsa/70391
        * hsa-gen.c (hsa_function_representation::update_dominance): New
        function.
        (convert_addr_to_flat_segment): Likewise.
        (gen_hsa_memory_set): New alignment argument.
        (gen_hsa_ctor_assignment): Likewise.
        (gen_hsa_insns_for_single_assignment): Provide alignment
        to gen_hsa_ctor_assignment.
        (gen_hsa_insns_for_direct_call): Add new argument.
        (expand_lhs_of_string_op): New function.
        (expand_string_operation_builtin): Likewise.
        (expand_memory_copy): New function.
        (expand_memory_set): New function.
        (gen_hsa_insns_for_call): Use HOST_WIDE_INT.
        (convert_switch_statements): Change signature.
        (generate_hsa): Use a return value of the function.
        (pass_gen_hsail::execute): Do not call
        convert_switch_statements here.
        * hsa-regalloc.c (hsa_regalloc): Call update_dominance.
        * hsa.h (hsa_function_representation::m_modified_cfg): New flag.
        (hsa_function_representation::update_dominance): New function.

2016-03-31  Martin Liska  <mliska@suse.cz>

        PR hsa/70391
        * hsa-brig.c (emit_directive_variable): Emit alignment
        according to hsa_symbol::m_align.
        * hsa-dump.c (hsa_byte_alignment): Move the function to another file.
        (dump_hsa_symbol): Dump alignment of HSA symbols.
        * hsa-gen.c (get_symbol_for_decl): Set-up alignment of a symbol.
        (gen_hsa_addr_with_align): New function.
        (hsa_bitmemref_alignment): Use newly added function.
        (gen_hsa_insns_for_load): Likewise.
        (gen_hsa_insns_for_store): Likewise.
        (gen_hsa_memory_copy): New argument added.
        (gen_hsa_insns_for_single_assignment): Respect
        alignment for assignments processed via gen_hsa_memory_copy.
        (gen_hsa_insns_for_direct_call): Likewise.
        (gen_hsa_insns_for_return): Likewise.
        (gen_function_def_parameters): Set default alignment.
        * hsa.c (hsa_object_alignment): New function.
        (hsa_byte_alignment): Pasted function.
        * hsa.h (hsa_symbol::m_align): New field.

2016-03-31  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (get_computation_cost_at): Initialize
        scratch field for goto case.

2016-03-31  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/arm/linux-elf.h (ASM_OUTPUT_DEF): Delete.

2016-03-31  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR target/70442
        * config/i386/i386.c (scalar_chain::convert_op): Fix description.
        (scalar_chain::convert_insn): Call convert_op for reg
        moves to handle undefined registers.

2016-03-31  Nathan Sidwell  <nathan@acm.org>

        PR c++/70393
        * varasm.c (output_constructor_regular_field): Flush bitfield earlier.
        Assert we don't want to move backwards.

2016-03-31  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/70453
        * config/i386/sse.md (define_mode_attr shuffletype): Fix typo.

2016-03-31  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/70460
        * ira.c (indirect_jump_optimize): Don't substitute LABEL_REF
        with operand from REG_LABEL_OPERAND, instead substitute
        SET_SRC or REG_EQUAL note content if it is a LABEL_REF.
        Don't do anything for REG_NON_LOCAL_GOTO jumps.

2016-03-31  Martin Liska  <mliska@suse.cz>

        * passes.c (execute_one_pass): Do not call
        todo_after for a discarded function.

2016-03-31  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (struct comp_cost): New scrach field.
        (no_cost, infinite_cost): Initialize the new field.
        (get_computation_cost_at): Record setup cost.
        (determine_use_iv_cost_address): Skip cost computation for sub
        uses if we can estimate it without losing accuracy.

2016-03-30  Jan Hubicka  <hubicka@ucw.cz>

        * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic
        estimates here.
        * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also
        max_loop_iterations_int.
        (tree_unswitch_outer_loop): Likewise.
        * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise.
        * tree-vect-loop.c (vect_analyze_loop_2): Likewise.

2016-03-30  Richard Biener  <rguenther@suse.de>

        PR middle-end/70450
        * fold-const.c (extract_muldiv_1): Fix thinko in wide_int::from usage.

2016-03-30  Jakub Jelinek  <jakub@redhat.com>

        PR target/70421
        * config/i386/i386.c (ix86_expand_vector_set): Fix up argument order
        in gen_blendm expander.

2016-03-30  Nick Clifton  <nickc@redhat.com>

        PR target/62254
        * config/arm/arm.c (arm_reload_out_hi): Add code to handle the
        case where we are already provided with an SImode SUBREG.

2016-03-30  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/70439
        * config/i386/i386.c (ix86_expand_epilogue): Properly check
        conflict between DRAP register and __builtin_eh_return.

2016-03-30  Michael Matz  <matz@suse.de>
            Richard Biener  <rguenther@suse.de>

        PR ipa/12392
        * ipa-polymorphic-call.c (struct type_change_info): Change
        speculative to an unsigned allowing to limit the work we do.
        (csftc_abort_walking_p): New inline function..
        (check_stmt_for_type_change): Limit the number of may-defs
        skipped for speculative devirtualization to
        max-speculative-devirt-maydefs.
        * params.def (max-speculative-devirt-maydefs): New param.
        * doc/invoke.texi (--param max-speculative-devirt-maydefs): Document.

2016-03-30  Mike Stump  <mrs@gcc.gnu.org>

        PR target/63890
        * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Use when profiling
        and TARGET_MACHO.

2016-03-30  Patrick Palka  <ppalka@gcc.gnu.org>

        PR tree-optimization/59124
        * tree-vrp.c (register_edge_assert_for_2): For NAME != CST1
        where NAME = A +- CST2 add the assertion A != (CST1 -+ CST2).

2016-03-29  Jeff Law  <law@redhat.com>

        * tree-ssa-coalesce.c (struct ssa_conflicts): Fix typo in comment.

2016-03-10  Jan Hubicka  <hubicka@ucw.cz>

        * tree-ssa-loop-ivcanon.c (try_peel_loop): Change type of peel
        to HOST_WIDE_INT.

2016-03-29  Thomas Schwinge  <thomas@codesourcery.com>

        * config/gnu.h (CPP_SPEC, LIB_SPEC): Don't override.
        * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt1.o instead of
        gcrt0.o if linking dynamically.

2016-03-10  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/70283
        * ipa-devirt.c (methods_equal_p): New function.
        (compare_virtual_tables): Use it.
        * cgraph.h (symbol_table::symbol_suffix_separator): Declare.
        * cgraphclones.c (clone_function_name_1): Use
        symbol_table::symbol_suffix_separator.
        * coverage.c (build_var): Likewise.
        * symtab.c (symbol_table::symbol_suffix_separator): New.

2016-03-29  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/70429
        * combine.c (simplify_shift_const_1): For ASHIFTRT don't optimize
        (cst1 >> count) >> cst2 into (cst1 >> cst2) >> count if
        mode != result_mode.

        PR c++/70353
        * tree-inline.c (remap_decls): Don't add_local_decl if cfun is null.

        PR tree-optimization/70405
        * ssa-iterators.h (num_imm_uses): Add missing braces.

2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/68695
        * ira-color.c (allocno_copy_cost_saving): New.
        (improve_allocation): Use it.

2016-03-29  Richard Henderson  <rth@redhat.com>

        PR middle-end/70355
        * lower-subreg.c (simplify_subreg_concatn): Reject paradoxical subregs.

2016-03-29  Richard Biener  <rguenther@suse.de>

        PR middle-end/70424
        * ipa-prop.c (ipa_compute_jump_functions_for_edge): Always
        use alignment returned by get_pointer_alignment_1 if it is
        bigger than BITS_PER_UNIT.
        * builtins.c (get_pointer_alignment_1): Do not return true
        for alignment extracted from SSA info.

2016-03-28  James Bowman  <james.bowman@ftdichip.com>

        * config/ft32/ft32.opt (mnodiv): New.
        * config/ft32/ft32.md (*divsi3, *modsi3): Qualify with TARGET_NODIV.
        * doc/invoke.texi (FT32 Options -mnodiv): New.

2016-03-28  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/70406
        * config/i386/i386.md (define_split, andn): Fix modes.

2016-03-26  Richard Biener  <rguenther@suse.de>
            Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        PR ipa/70366
        * ipa-inline-transform.c (inline_call): Pass opts_for_fn (to->decl)
        instead of
        TREE_OPTIMIZATION (DECL_FUNCTION_SPECIFIC_OPTIMIZATION (to->decl))
        as 2nd argument to cl_optimization_restore().

2016-03-25  Richard Henderson  <rth@redhat.com>

        PR target/70120
        * config/aarch64/aarch64.c (aarch64_asm_output_pool_epilogue): New.
        * config/aarch64/aarch64-protos.h: Declare it.
        * config/aarch64/aarch64.h (ASM_OUTPUT_POOL_EPILOGUE): New.

2016-03-25  Alan Modra  <amodra@gmail.com>

        PR target/70052
        * config/rs6000/constraints.md (j): Simplify.
        * config/rs6000/predicates.md (easy_fp_constant): Exclude
        decimal float 0.D.
        * config/rs6000/rs6000.md (zero_fp): New mode_attr.
        (mov<mode>_hardfloat, mov<mode>_hardfloat32, mov<mode>_hardfloat64,
         mov<mode>_64bit_dm, mov<mode>_32bit): Use zero_fp in place of j
        in all constraint alternatives.
        (movtd_64bit_nodm): Delete "j" constraint alternative.

2016-03-24  Aldy Hernandez  <aldyh@redhat.com>

        * tree-ssa-propagate.c: Enhance docs for
        SSA_PROP_NOT_INTERESTING.

2016-03-24  Aldy Hernandez  <aldyh@redhat.com>

        * doc/extend.texi: Fix typo in documentation to pure attribute.

2016-03-24  John David Anglin  <danglin@gcc.gnu.org>

        PR target/70319
        * config/pa/pa.md (bswapdi2): Use a scratch register.

2016-03-24  Richard Henderson  <rth@redhat.com>

        PR middle-end/69845
        * fold-const.c (extract_muldiv_1): Correct test for multiplication
        overflow.

2016-03-24  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*anddi3_doubleword): Generate AND insn
        using ix86_expand_binary_operator instead of gen_andsi3.

2016-03-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70396
        * tree-vect-stmts.c (vectorizable_comparison): Use
        get_vectype_for_scalar_type.

2016-03-24  Richard Biener  <rguenther@suse.de>

        PR middle-end/70370
        * gimplify.c (gimplify_asm_expr): Handle !allows_mem outputs
        with register bases.

2016-03-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70372
        * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Use
        build_all_ones_cst to also handle vector types correctly.

2016-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/70381
        * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Do not set
        -mfloat128 here.

2016-03-23  Marek Polacek  <polacek@redhat.com>

        PR c++/69884
        * doc/invoke.texi: Document -Wignored-attributes.

2016-03-23  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/69042
        * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND): Increase the
        parameter from 30 to 40.

2016-03-23  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/69042
        * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Add IV cand
        for use with constant offset stripped in base.

2016-03-23  Richard Biener  <rguenther@suse.de>

        PR middle-end/70251
        * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Adjust
        mode compatibility check.
        (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.

2016-03-23  Jeff Law  <law@redhat.com>

        PR tree-optimization/64058
        * tree-ssa-coalesce.c (struct coalesce_pair): Add new field
        CONFLICT_COUNT.
        (struct ssa_conflicts): Move up earlier in the file.
        (conflicts_, var_map_): New static variables.
        (initialize_conflict_count): New function to initialize the
        CONFLICT_COUNT field for each conflict pair.
        (compare_pairs): Lazily initialize the conflict count and use it
        as the first tie-breaker.
        (sort_coalesce_list): Add new arguments conflicts, map.  Initialize
        and wipe conflicts_ and map_ around the call to qsort.  Remove
        special case for 2 coalesce pairs.
        * bitmap.c (bitmap_count_unique_bits): New function.
        (bitmap_count_bits_in_word): New function, extracted from
        bitmap_count_bits.
        (bitmap_count_bits): Use bitmap_count_bits_in_word.
        * bitmap.h (bitmap_count_unique_bits): Declare it.

2016-03-23  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR target/69917
        * config/i386/sol2.h (ASM_OUTPUT_DEF_FROM_DECLS): Follow
        transparent alias chain for decl assembler name.
        * config/sol2.c (solaris_assemble_visibility): Likewise.

2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm1020e.md (1020call_op): Reduce reservation
        duration.
        (v10_fdivs): Likewise.
        (v10_fdivd): Likewise.

2016-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR driver/70132
        * config/arm/driver-arm.c (host_detect_local_cpu): Reorder exit logic
        to not call fclose twice on file.

2016-03-23  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/70354
        * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
        oprnd0 is wider than oprnd1 and there is a cast from the wider
        type to oprnd1, mask it with the mask of the narrower type.

        PR target/70321
        * config/i386/i386.md (*anddi3_doubleword, *<code>di3_doubleword):
        Optimize TARGET_STV splitters, if high or low word of last argument
        is 0 or -1.

2016-03-22  Jeff Law  <law@redhat.com>

        PR target/70232
        tree-ssa-threadbackward.c
        (fsm_find_control_statement_thread_paths): Correctly distinguish
        between old style jump threads vs FSM jump threads.

2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR target/70302
        * config/i386/i386.c (scalar_chain::convert_op): Support
        uninitialized register usage case.

2016-03-22  Richard Biener  <rguenther@suse.de>

        PR middle-end/70251
        * genmatch.c (gen_transform): Adjust last parameter to a three-state
        int...
        (capture::gen_transform): ... to change behavior when substituting
        a condition into cond or not-cond expr context.
        (dt_simplify::gen_1): Adjust.
        * gimple-match-head.c: Include gimplify.h for unshare_expr.
        * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Revert
        last change and instead change to
        A + (B vcmp C ? 1 : 0) -> A - (B vcmp C ? -1 : 0).
        (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.

2016-03-22  Anthony Green  <green@moxielogic.com>

        * config/moxie/moxiebox.h (CC1_SPEC): Define.  Fix endianness
        issue for moxiebox targets.
        (CC1PLUS_SPEC): Ditto.

2016-03-22  Richard Biener  <rguenther@suse.de>

        PR middle-end/70333
        * fold-const.c (extract_muldiv_1): Properly perform multiplication
        in the wide type.

2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/i386.c (def_builtin): Remove duplicated functionality.

2016-03-22  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/70325
        * config/i386/i386.c (def_builtin): Handle
        OPTION_MASK_ISA_AVX512VL to be and-ed with other
        bits.
        (const struct builtin_description bdesc_special_args[]):
        Remove duplicate ISA bits.

2016-03-22  Jakub Jelinek  <jakub@redhat.com>

        PR target/70329
        * config/i386/i386.c (ix86_expand_vecop_qihi): Don't bother computing
        d.perm[i] for i >= d.nelt.  If not full_interleave, compute d.perm[i]
        in a way that works also for AVX512BW.

        PR target/70300
        * config/i386/i386.md (cvtsd2ss splitter): Unpack in destination
        instead of source if operands[1] is xmm16 and above and
        !TARGET_AVX512VL.  Use avx512f_vec_dupv16sf_1 instead of
        vec_interleave_lowv4sf if we need to unpack xmm16 and above.

        PR c++/70295
        * gimplify.c (gimplify_modify_expr): Call gimple_set_no_warning
        on assign if (*from_p) is a comparison, set it to
        TREE_NO_WARNING (*from_p).

2016-03-21  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/70326
        * lra.c (restore_scratches): Ignore deleted insns.

2016-03-21  Marc Glisse  <marc.glisse@inria.fr>
            Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/70317
        * match.pd (cmp @0 @0): Pass @0 instead of TYPE_MODE (TREE_TYPE (@0))
        to HONOR_NANS.

2016-03-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/70327
        * config/i386/i386.md (movxi): Use ix86_expand_vector_move instead
        of ix86_expand_move.
        (movoi): Ditto.
        (movti): Use general_operand for operand 1 predicate.

2016-03-21  Martin Liska  <mliska@suse.cz>

        * hsa-dump.c (dump_hsa_insn_1): dump default branch of SBR
        insns.
        (dump_hsa_symbol): Dump BRIG offset of hsa_symbols.

2016-03-21  Martin Liska  <mliska@suse.cz>

        PR ipa/70306
        * ipa-icf.c (sem_function::parse): Skip static
        constructors and destructors.

2016-03-21  Jakub Jelinek  <jakub@redhat.com>

        PR target/70296
        * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If IDENT is
        function-like macro, peek following token(s) if it is followed
        by CPP_OPEN_PAREN token with optional padding in between, and
        if not, don't treat it like a macro.

2016-03-21  Thomas Schwinge  <thomas@codesourcery.com>
            Alexander Monakov  <amonakov@ispras.ru>

        * config/nvptx/nvptx.c (nvptx_option_override): Don't emit sorry
        for the stabs debug format.

2016-03-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70310
        * tree-vect-generic.c (expand_vector_condition): Fold the built
        condition.

2016-03-21  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/70293
        * config/i386/sse.md: (define_insn "*vec_dup<mode>"/AVX2):
        Block third alternative for AVX-512VL target,

2016-03-21  Martin Liska  <mliska@suse.cz>

        PR hsa/70234
        * hsa-brig.c (emit_function_directives): Mark unemitted
        global variables for emission.
        * hsa-gen.c (hsa_symbol::hsa_symbol): Initialize a new flag.
        (get_symbol_for_decl): Likewise.
        * hsa.h (struct hsa_symbol): New flag.

2016-03-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70288
        * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Make sure
        we do not estimate unsimplified all-constant conditionals or
        switches as optimized away.

2016-03-21  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/69102
        * sched-deps.c (sched_analyze_insn): Do not set last_args_size field
        when we have a readonly dependency context.

2016-03-18  Jeff Law  <law@redhat.com>

        PR rtl-optimization/70263
        * ira.c (memref_used_between_p): Assert we found END in the insn chain.
        (update_equiv_regs): When trying to move a store to after the insn
        that sets the source of the store, make sure the store occurs after
        the insn that sets the source of the store.  When successful note
        the REG_EQUIV note created in the dump file.

2016-03-16  David Wohlferd  <dw@LimeGreenSocks.com>
            Bernd Schmidt  <bschmidt@redhat.com>

        * doc/extend.texi: Document more potential problems with basic asms.

2016-03-18  Bernd Schmidt  <bschmidt@redhat.com>

        PR rtl-optimization/70278
        * lra-constraints.c (split_reg): Handle the case where biggest_mode is
        VOIDmode.

2016-03-18  Jason Merrill  <jason@redhat.com>

        * calls.c (load_register_parameters): Fix zero size sibcall logic.

2016-03-18  Kirill Yukhin  <kirill.yukhin@intel.com>

        * config/i386/sse.md: Use vpbroadcastq for broadcasting DF
        values to 128b regs.

2016-03-18  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR tree-optimization/70252
        * tree-vect-stmts.c (supportable_widening_operation): Check resulting
        boolean vector has a proper number of elements.
        (supportable_narrowing_operation): Likewise.

2016-03-18  Tom de Vries  <tom@codesourcery.com>

        PR ipa/70269
        * cgraph.c (cgraph_node::get_body): Set dump_file to NULL after save.

2016-03-18  Jakub Jelinek  <jakub@redhat.com>

        * reload1.c (emit_input_reload_insns): Use simplify_replace_rtx
        instead of replace_rtx for DEBUG_INSNs.

2016-03-18  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        * config/i386/znver1.md : Fix latencies of FP/SSE/AVX
        load type reservations.

2016-03-17  John David Anglin  <danglin@gcc.gnu.org>

        PR target/70188
        * config/pa/constraints.md: Revert 2015-02-13 change.  Use
        define_constraint for "Q" and "T" constraints.

2016-03-17  Evandro Menezes  <e.menezes@samsung.com>

        Tweak the pipeline model for Exynos M1

        * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
        model.

2016-03-17  David Malcolm  <dmalcolm@redhat.com>

        PR c/70264
        * diagnostic-show-locus.c (compatible_locations_p): Handle the case
        where one or both locations aren't within a line_map.

2016-03-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/70192
        * opts.c (finish_options): Don't set flag_pie to the default if
        -fpic, -fPIC, -fno-pic or -fno-PIC is used.  Set flag_pic to 0
        if it is -1.

2016-03-17  Joern Rennecke  <joern.rennecke@embecosm.com>

        * config/i386/i386.md (*movv4qicc_insn+1..36): Pass
        true as ALL_REGS argument to replace_rtx.

2016-03-17  Richard Biener  <rguenther@suse.de>

        PR debug/70271
        * dwarf2out.c (dwarf2out_early_finish): Process deferred_asm_name
        last.

2016-03-17  Jakub Jelinek  <jakub@redhat.com>

        PR target/70245
        * rtl.h (replace_rtx): Add ALL_REGS argument.
        * rtlanal.c (replace_rtx): Likewise.  If true, use REGNO
        equality and assert mode is the same, instead of just rtx pointer
        equality.
        * config/i386/i386.md (mov + arithmetics with load peephole): Pass
        true as ALL_REGS argument to replace_rtx.

2016-03-17  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * match.pd (A + (B vcmp C ? 1 : 0) -> A - (B vcmp C)): Apply
        for boolean vector with vector mode only.
        (A - (B vcmp C ? 1 : 0) -> A + (B vcmp C)): Likewise.

2016-03-17  Nick Clifton  <nickc@redhat.com>

        PR target/70162
        * config/rx/rx.c (rx_print_integer): Print negative constants in
        decimal.

2016-03-17  Jakub Jelinek  <jakub@redhat.com>

        PR target/70261
        * rtlanal.c (replace_rtx): Revert 2016-03-16 change.

2016-03-16  Richard Henderson  <rth@redhat.com>
            Richard Biener  <rguenth@suse.de>

        PR middle-end/70240
        PR middle-end/68215
        PR tree-opt/68714
        * gimplify.c (gimplify_expr) [VEC_COND_EXPR]: Gimplify the
        first operand as is_gimple_condexpr.

        PR middle-end/70240
        PR middle-end/68215
        Revert r231575
        2015-12-11  Eric Botcazou  <ebotcazou@adacore.com>
        * tree-vect-generic.c (tree_vec_extract): Remove GSI parameter.
        Do not gimplify the result.
        (do_unop): Adjust call to tree_vec_extract.
        (do_binop): Likewise.
        (do_compare): Likewise.
        (do_plus_minus): Likewise.
        (do_negate): Likewise.
        (expand_vector_condition): Likewise.
        (do_cond): Likewise.

2016-03-16  Richard Henderson  <rth@redhat.com>

        PR target/70048
        * config/aarch64/aarch64.c (virt_or_elim_regno_p): New.
        (aarch64_classify_address): Use it.
        (aarch64_legitimize_address): Force all subexpressions of PLUS
        into registers.  Simplify as (sfp+const)+reg or (reg+reg)+const.

2016-03-16  Jakub Jelinek  <jakub@redhat.com>
            Richard Biener  <rguenth@suse.de>

        PR target/70245
        * rtlanal.c (replace_rtx): For REG, if from is a REG,
        return to even if only REGNO is equal, and assert
        mode is the same.

2016-03-11  Jeff Law  <law@redhat.com>

        PR rtl-optimization/70224
        * reorg.c (relax_delay_slots): Pass right argument to CROSSING_JUMP_P.

2016-03-16  Richard Henderson  <rth@redhat.com>

        PR middle-end/70199
        * function.h (struct function): Add has_forced_label_in_static.
        * gimplify.c (force_labels_r): Set it.
        * lto-streamer-in.c (input_struct_function_base): Read it.
        * lto-streamer-out.c (output_struct_function_base): Write it.
        * tree-inline.c (has_label_address_in_static_1): Remove.
        (copy_forbidden): Remove fndecl parameter; test
        has_forced_label_in_static.
        (inline_forbidden_p): Update call to copy_forbidden.
        (tree_versionable_function_p): Likewise.
        * ipa-chkp.c (chkp_instrumentable_p): Likewise.
        (chkp_versioning): Likewise.
        * tree-inline.h (copy_forbidden): Update decl.

2016-03-16  Marek Polacek  <polacek@redhat.com>

        PR c/70093
        * cgraphunit.c (cgraph_node::expand_thunk): Also build call to the
        function being thunked if the result type doesn't have fixed size.
        * gimplify.c (gimplify_modify_expr): Also set LHS if the result type
        doesn't have fixed size.

2016-03-16  Bin Cheng  <bin.cheng@arm.com>

        * tree-vect-loop.c (vect_analyze_loop_2): Fix wrong dump info by
        reporting malformed loop nest.

2016-03-16  Tom de Vries  <tom@codesourcery.com>

        PR lto/70187
        * ipa-devirt.c (possible_polymorphic_call_targets): Move
        nodes.length () == 1 test to before first nodes[0] access.

2016-03-16  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/68715
        * graphite-scop-detection.c (scop_detection::merge_sese): Add missing
        single_pred_p test.

2016-03-16  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/68809
        * graphite-scop-detection.c (same_close_phi_node): Test if result types
        are the same.

2016-03-16  Carlos O'Donell  <carlos@redhat.com>
            Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Common Function Attributes): Describe ifunc impact
        on leaf attribute. Mention ELF interposition problems.

2016-03-16  Alan Modra  <amodra@gmail.com>

        PR rtl-optimization/69195
        PR rtl-optimization/47992
        * ira.c (indirect_jump_optimize): Ignore artificial defs.
        Add comments.

2016-03-15  Eric Botcazou  <ebotcazou@adacore.com>

        PR bootstrap/69513
        * dwarf2out.c (flush_limbo_die_list): Really flush the limbo list.

2016-03-15  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

        * config/avr/avr.md (rotl<mode>3): Set mode for operand 2.

2016-03-15  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/70222
        * combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
        optimization if mode is different from result_mode, queue up masking
        of the result in outer_op.  Formatting fix.

        PR middle-end/70239
        * tree-ssa-sccvn.c (VN_INFO_GET): Use safe_grow_cleared instead
        of safe_grow.

2016-03-15  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/69032
        * sel-sched-ir.c (get_seqno_by_preds): Include both insn and head when
        looping backwards over basic block insns.

2016-03-15  Andrey Belevantsev  <abel@ispras.ru>

        PR target/66660
        * sel-sched-ir.c (merge_expr): Avoid changing the speculative pattern
        to non-speculative when propagating trap bits.

2016-03-15  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/63384
        * sel-sched.c (invoke_aftermath_hooks): Do not decrease issue_more on
        DEBUG_INSN_P insns.

2016-03-15  Andrey Belevantsev  <abel@ispras.ru>

        PR target/64411
        * sched-deps.c (get_implicit_reg_pending_clobbers): New function,
        factored out from ...
        (sched_analyze_insn): ... here.
        * sched-int.h (get_implicit_reg_pending_clobbers): Declare it.
        * sel-sched-ir.c (setup_id_implicit_regs): New function, use
        get_implicit_reg_pending_clobbers in it.
        (setup_id_reg_sets): Use setup_id_implicit_regs.
        (deps_init_id): Ditto.

2016-03-15  Tom de Vries  <tom@codesourcery.com>

        PR ipa/70161
        * cgraph.c (cgraph_node::get_body): Save, reset and restore
        dump_file_name.
        * passes.c (execute_one_ipa_transform_pass): Add missing argument to
        execute_function_dump.
        (execute_one_pass): Don't dump function if it will be dumped after ipa
        transform.

2016-03-15  Segher Boessenkool  <segher@kernel.crashing.org>

        * genrecog.c (match_pattern_2): If pred is NULL don't call
        safe_predicate_mode on it.

2016-03-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/70219
        * lra-constraints.c (delete_move_and_clobber): Change assertion
        to also allow dregno == 0.

2016-03-14  Richard Henderson  <rth@redhat.com>

        PR tree-opt/68714
        * tree-ssa-reassoc.c (ovce_extract_ops, optimize_vec_cond_expr): New.
        (can_reassociate_p): Allow ANY_INTEGRAL_TYPE_P.
        (reassociate_bb): Use optimize_vec_cond_expr; avoid
        optimize_range_tests, attempt_builtin_copysign and attempt_builtin_powi
        on vectors.

2016-03-14  Bernd Schmidt  <bschmidt@redhat.com>

        PR target/70083
        * lra-lives.c (process_bb_lives): Also update biggest mode for hard
        regs.
        (lra_create_live_ranges_1): initialize hard register biggest_mode to
        VOIDmode.
        * lra-constraints.c (split_reg): For hard regs, try to find the
        biggest single-register mode used in the function.

2016-03-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/56365
        * tree-ssa-phiopt.c (minmax_replacement): Handle alternate
        constants to compare against.

2016-03-14  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/70098
        * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
        *ctr<mode>_internal5, *ctr<mode>_internal6): Also allow "d" as output.
        (define_split for the GPR case): Use int_reg_operand instead of
        gpc_reg_operand for the output.

2016-03-14  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/70045
        * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare
        create_empty_if_region_on_edge argument.

2016-03-13  Eric Botcazou  <ebotcazou@adacore.com>

        * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define.
        (STACK_CHECK_PROTECT): Likewise.
        * config/i386/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
        (STACK_CHECK_PROTECT): Likewise.
        * config/rs6000/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise
        (STACK_CHECK_PROTECT): Likewise.
        * config/rs6000/vxworksae.h (STACK_CHECK_PROTECT): Likewise.
        * config/sparc/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
        (STACK_CHECK_PROTECT): Likewise.

2016-03-12  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/69307
        * sel-sched.c (choose_best_pseudo_reg): Properly check for hard
        registers in modes that span more than one register.

2016-03-12  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/69614
        * lra-constraints.c (delete_move_and_clobber): New.
        (remove_inheritance_pseudos): Use it.

2016-03-12  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/70017
        * calls.c (emit_library_call_value_1): Clear the ECF_NOTHROW flag if
        the libcall is LCT_THROW.
        * explow.c (probe_stack_range): Pass LCT_THROW to emit_library_call
        for the checking routine.

2016-03-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/70131
        * config/rs6000/rs6000.md (round32<mode>2_fprs): Do not do the
        optimization if we have direct move.
        (roundu32<mode>2_fprs): Likewise.

2016-03-11  Bernd Schmidt  <bschmidt@redhat.com>

        PR target/70123
        * lra-remat.c (operand_to_remat): Disallow hard regs in the value t
        be rematerialized.
        (reg_overlap_for_remat_p): Renamed from input_regno_present_p.
        Arguments swapped.  All callers changed.  Take reg_renumber into
        account, and Calculate and compare register ranges for hard regs.

2016-03-11  Jeff Law  <law@redhat.com>

        PR tree-optimization/70190
        * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
        Handle cases where we can not extract the taken edge, even though we
        found a constant value.

        PR tree-optimization/64058
        * tree-ssa-coalesce.c (struct coalesce_pair): Add new field INDEX.
        (num_coalesce_pairs): Move up earlier in file.
        (find_coalesce_pair): Initialize the INDEX field for each pair
        discovered.
        (compare_pairs): No longer sort on the elements in each pair.
        Instead break ties with the index of the coalesce pair.

2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/70002
        * config/aarch64/aarch64-protos.h
        (aarch64_save_restore_target_globals): New prototype.
        * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse):
        Call the above when popping pragma.
        * config/aarch64/aarch64.c (aarch64_save_restore_target_globals):
        New function.
        (aarch64_set_current_function): Rewrite using the above.

2016-03-11  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/70177
        * gimple-expr.h (extract_ops_from_tree_1): Renamed to ...
        (extract_ops_from_tree): ... this.  In the 2 argument
        overload remove _1 suffix.
        * gimple-expr.c (extract_ops_from_tree_1): Renamed to ...
        (extract_ops_from_tree): ... this.
        * gimple.c (gimple_build_assign, gimple_assign_set_rhs_from_tree):
        Adjust callers.
        * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
        * tree-ssa-forwprop.c (defcodefor_name): Call 3 operand
        extract_ops_from_tree instead of 2 operand one.

2016-03-11  Alan Lawrence  <alan.lawrence@arm.com>

        PR tree-optimization/70013
        * tree-sra.c (analyze_access_subtree): Also set grp_unscalarized_data
        for constant-pool entries.

2016-03-11  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/70174
        * expmed.c (store_bit_field_using_insv): Use gen_lowpart_if_possible
        followed by gen_lowpart on force_reg instead of just gen_lowpart.

        PR tree-optimization/70169
        * tree-ssa-loop.c (gen_lsm_tmp_name): Handle FUNCTION_DECL and
        LABEL_DECL like VAR_DECL.  Emit nothing instead of gcc_unreachable
        for unknown codes.

2016-03-11  Ilya Enkovich  <enkovich.gnu@gmail.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/70160
        * config/i386/i386.c (scalar_chain::convert_reg): Skip uses
        of uninitialized values.

2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md ("trunctddd2"): Turn former define_insn into
        define_expand.
        ("*trunctddd2"): New pattern definition.
        ("trunctdsd2"): Set prep_for_short_prec rounding mode for the
        TD->DD truncation.

2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md (BFP_RND_*, DFP_RND_*): Add new constant
        definitions for BFP and DFP rounding modes.
        ("fixuns_truncdddi2", "fixuns_trunctddi2")
        ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2")
        ("fix_trunc<DSF:mode><GPR:mode>2", "fix_trunc<mode>di2")
        ("fix_trunctf<mode>2"): Use the new constants instead of magic
        numbers.

2016-03-11  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/constraints.md: Adjust comment.
        ("Y"): Adjust comment.  Rename s390_decompose_shift_count to
        s390_decompose_addrstyle_without_index.
        * config/s390/predicates.md (shift_count_or_setmem_operand):
        Rename to setmem_operand.
        * config/s390/s390-protos.h
        (s390_decompose_shift_count): Rename to
        s390_decompose_addrstyle_without_index.
        * config/s390/s390.c (s390_decompose_shift_count)
        (s390_mem_constraint, print_shift_count_operand)
        (print_operand_address, print_operand): Rename
        s390_decompose_shift_count to
        s390_decompose_addrstyle_without_index and rename
        print_shift_count_operand to print_addrstyle_operand troughout the
        file.
        * config/s390/s390.md ("setmem_long_<P:mode>", "*setmem_long")
        ("*setmem_long_and", "*setmem_long_31z", "*setmem_long_and_31z"):
        Rename shift_count_or_setmem_operand to setmem_operand.
        * config/s390/vx-builtins.md ("vec_insert<mode>")
        ("vec_promote<mode>"): Replace shift_count_or_setmem_operand with
        nonmemory_operand.

2016-03-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR target/70168
        * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
        Handle overlapping retval and newval.

2016-03-10  Nick Clifton  <nickc@redhat.com>

        PR target/7044
        * config/aarch64/aarch64.c
        (aarch64_override_options_after_change_1): When forcing
        flag_omit_frame_pointer to be true, use a special value that can
        be detected if this function is called again, thus preventing
        flag_omit_leaf_frame_pointer from being forced to be false.

2016-03-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
        Set x_flag_omit_leaf_frame_pointer when handling
        -momit-leaf-frame-pointer.

2016-03-10  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/69589
        * cgraph.c (cgraph_node::dump): Dump split_part and
        indirect_call_target.
        * cgraph.h (cgraph_node): Add indirect_call_target flag.
        * ipa.c (has_addr_references_p): Cleanup.
        (is_indirect_call_target_p): New.
        (walk_polymorphic_call_targets): Do not mark virtuals that may be
        called indirectly as local.
        (symbol_table::remove_unreachable_nodes): Compute indirect_call_target.

2016-03-10  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/69630
        * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
        on cxa_pure_virtual.

2016-03-10  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/69589
        * tree.c (free_lang_data_in_decl): Clear visibility of TYPE_DECL.

2016-03-10  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/69589
        * tree.c (need_assembler_name_p): Only record main variant type names.

2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>

        PR target/70113.
        * config/aarch64/aarch64.h (TARGET_FIX_ERR_A53_843419_DEFAULT):
        Always define to 0 or 1.
        (TARGET_FIX_ERR_A53_843419): New macro.
        * config/aarch64/aarch64-elf-raw.h
        (TARGET_FIX_ERR_A53_843419_DEFAULT): Update for above changes.
        * config/aarch64/aarch64-linux.h: Likewise.
        * config/aarch64/aarch64.c
        (aarch64_override_options_after_change_1): Do not default
        aarch64_nopcrelative_literal_loads to true if Cortex-A53 erratum
        843419 is on.
        (aarch64_attributes): Handle fix-cortex-a53-843419.
        (aarch64_can_inline_p): Likewise.
        * config/aarch64/aarch64.opt (aarch64_fix_a53_err843419): Save.

2016-03-10  Alan Lawrence  <alan.lawrence@arm.com>
        Jakub Jelinek <jakub@redhat.com>

        * common.opt (funconstrained-commons, flag_unconstrained_commons): New.
        * tree.c (array_at_struct_end_p): Do not limit to size of decl for
        DECL_COMMONS if flag_unconstrained_commons is set.
        * tree-dfa.c (get_ref_base_and_extent): Likewise.
        * doc/invoke.texi (Optimize Options): Add -funconstrained-commons.
        (funconstrained-commons): Document.

2016-03-10  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add
        aarch64-fusion-pairs.def and aarch64-tuning-flags.def

2016-03-10  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * tree-vect-stmts.c (vectorizable_mask_load_store): Check mask
        has a proper number of elements.

2016-03-10  Alan Modra  <amodra@gmail.com>

        PR rtl-optimization/69195
        PR rtl-optimization/47992
        * ira.c (recorded_label_ref): Delete.
        (update_equiv_regs): Return void.
        (indirect_jump_optimize): New function.
        (ira): Call indirect_jump_optimize and delete_trivially_dead_insns
        before regstat_compute_ri.  Don't rebuild_jump_labels here.
        Delete update_regstat.

2016-03-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70128
        * tree-ssa-structalias.c (set_uids_in_ptset): Set
        vars_contains_nonlocal for any FUNCTION_DECL or LABEL_DECL.

2016-03-09  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/70152
        * tree-sra.c (replace_removed_params_ssa_names): Copy over
        SSA_NAME_OCCURS_IN_ABNORMAL_PHI from old_name to new_name.

        PR target/70086
        * config/i386/i386.md (truncdfsf2 splitter): Use gen_vec_concatv2df
        instead of gen_sse2_loadlpd.
        * config/i386/sse.md (*vec_concatv2df): Rename to...
        (vec_concatv2df): ... this.

        PR tree-optimization/70127
        * fold-const.c (operand_equal_p): Revert the 2015-10-28 change.

2016-03-09  David Malcolm  <dmalcolm@redhat.com>

        PR c/68473
        PR c++/70105
        * diagnostic-show-locus.c (compatible_locations_p): New function.
        (layout::layout): Sanitize ranges using compatible_locations_p.

2016-03-09  David Malcolm  <dmalcolm@redhat.com>

        PR c/68473
        PR c++/70105
        * diagnostic-show-locus.c (layout_range::layout_range): Replace
        location_range param with three const expanded_locations * and a
        bool.
        (layout::layout): Replace call to
        rich_location::lazily_expand_location with get_expanded_location.
        Extract the range and perform location expansion here, passing
        the results to the layout_range ctor.
        * diagnostic.c (source_range::debug): Delete.
        * diagnostic.h (diagnostic_expand_location): Reimplement in terms
        of rich_location::get_expanded_location.
        * gcc-rich-location.c (get_range_for_expr): Delete.
        (gcc_rich_location::add_expr): Reimplement to avoid the
        rich_location::add_range overload that took a location_range,
        passing a location_t instead.

2016-03-09  Richard Biener  <rguenther@suse.de>
        Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/70138
        * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
        Also skip vect_double_reduction_def.

2016-03-09  Jakub Jelinek  <jakub@redhat.com>

        PR target/70049
        * config/i386/sse.md (*vec_extract<mode>): Use %0 instead of %k0
        if the operand is "m".

2016-03-09  Nathan Sidwell  <nathan@acm.org>

        * config/nvptx/nvptx.c (nvptx_option_override): Don't kill debug level.

2016-03-09  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        * config/i386/i386.c (processor_target_table): Fix cost table
        intialization order for znver1.

2016-03-08  Jakub Jelinek  <jakub@redhat.com>

        * ipa-polymorphic-call.c (walk_ssa_copies): Fix spelling
        - becuase -> because.
        * ipa-reference.c (ignore_module_statics): Likewise.
        * cgraph.c (cgraph_node::get_body): Likewise.
        * ipa-inline.c (early_inliner): Likewise.
        * ipa-devirt.c (types_same_for_odr): Likewise.
        * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
        * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Likewise.

2016-03-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * tree-ssa-math-opts.c: Fix typo in comment.

2016-03-08  Jakub Jelinek  <jakub@redhat.com>

        PR target/70110
        * config/i386/i386.c (scalar_chain::make_vector_copies,
        scalar_chain::convert_reg): Call end_sequence in between
        get_insns and emit_conversion_insns rather than after both
        calls.

2016-03-07  Uros Bizjak  <ubizjak@gmail.com>

        PR target/70064
        * config/i386/i386.h (machine_function): Add
        pc_thunk_call_expanded flag.
        (ix86_pc_thunk_call_expanded): New define.
        * config/i386/i386.md (set_got, set_got_labelled): New expanders.
        (*set_got): Rename insn pattern from set_got.
        (*set_got_labelled): Rename inst pattern from set_got_labelled.
        * config/i386/i386.c (ix86_compute_frame_layout): Use
        ix86_pc_thunk_call_expanded to prevent red-zone.

2016-03-07  Martin Jambor  <mjambor@suse.cz>

        * hsa.h (hsa_get_ctor_statements): Declare.
        (hsa_get_dtor_statements): Likewise.
        (hsa_get_kernel_dispatch_type): Likewise.
        * hsa.c (hsa_get_ctor_statements): New function.
        (hsa_get_dtor_statements): Likewise.
        (hsa_get_kernel_dispatch_type): Likewise.
        * hsa-brig.c (hsa_cdtor_statements): Removed.
        (hsa_output_libgomp_mapping): Use hsa_get_ctor_statements and
        hsa_get_dtor_statements.
        * hsa-gen.c (hsa_kernel_dispatch_type): Removed.
        (get_hsa_kernel_dispatch_offset): Use hsa_get_kernel_dispatch_type.

2016-03-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm-cores.def (cortex-r8): New.
        * config/arm/arm-tables.opt (cortex-r8): Regenerate.
        * config/arm/arm-tune.md: Likewise.
        * gcc/doc/invoke.texi: Add cortex-r8 to list of cpu values.

2016-03-07  Martin Sebor  <msebor@redhat.com>

        PR rtl-optimization/19705
        * doc/invoke.texi (Options That Control Optimization): Clarify
        -fno-branch-count-reg.

2016-02-26  Richard Biener  <rguenther@suse.de>
            Jeff Law  <law@redhat.com>

        PR tree-optimization/69740
        * cfghooks.c (remove_edge): Request loop fixups if we delete
        an edge that might turn an irreducible loop into a natural
        loop.
        * cfgloop.h (check_verify_loop_structure): Clear LOOPS_NEED_FIXUP.
        Move after definition of loops_state_clear.

2016-03-07  Bin Cheng  <bin.cheng@arm.com>

        PR rtl-optimization/69052
        * rtlanal.c (commutative_operand_precedence): Set higher precedence
        to CONST_WIDE_INT.

2016-03-07  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/70116
        * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
        is_tm_ending stmts and ubsan/asan internal functions.
        (find_duplicate): Use it.  Don't test is_tm_ending here.

2016-03-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/70115
        * tree-ssa-loop-ivcanon.c (propagate_into_all_uses): Remove.
        (propagate_constants_for_unrolling): Use replace_uses_by.

2016-03-07  Nathan Sidwell  <nathan@codesourcery.com>

        PR middle-end/69916
        * omp-low.c (struct oacc_loop): Add ifns.
        (new_oacc_loop_raw): Initialize it.
        (finish_oacc_loop): Clear mask & flags if no ifns.
        (oacc_loop_discover_walk): Count IFN_GOACC_LOOP calls.
        (oacc_loop_xform_loop): Add ifns arg & adjust.
        (oacc_loop_process): Adjust oacc_loop_xform_loop call.

2016-03-07  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/70061
        * tree-outofssa.c (emit_partition_copy): Flush pending stack adjust.
        (insert_value_copy_on_edge): Likewise.

2016-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm_neon.h: Show error if using with soft-float ABI.

2016-03-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/62281
        * config/i386/sol2.h (STACK_REALIGN_DEFAULT): Define.

2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>

        * config/i386/i386.c (znver1_cost): Fix Multiply cost.

2016-03-05  Venkataramanan Kumar  <Venkataramanan.kumar@amd.com>

        Fix sseimul type attribute.
        * config/i386/znver1.md
        (znver1_sseimul, znver1_sseimul_avx256, znver1_sseimul_load,
        znver1_sseimul_avx256_load) : Fix the type attribute.
        (znver1_sseimul_di, znver1_sseimul_load_di): Fix type attribute,
        pipe usage and latency.

2016-03-05  Jakub Jelinek  <jakub@redhat.com>

        PR c++/70084
        * tree-inline.c (copy_tree_body_r): When cancelling ADDR_EXPR
        of INDIRECT_REF and ADDR_EXPR changed type, fold_convert it
        to the right type.

2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>

        PR c/69973
        * targhooks.c (default_vector_alignment): Limit to MAX_OFILE_ALIGNMENT.

        PR rtl-optimization/69941
        * postreload.c (reload_combine_recognize_pattern): Ensure all uses of
        the reg share its mode.

2016-03-04  Jeff Law  <law@redhat.com>

        PR tree-optimization/69196
        * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
        If the both SSA_NAMEs are anonymous, then consider them unassociated
        and include the PHI in the statement count.

2016-03-05  Tom de Vries  <tom@codesourcery.com>

        * omp-low.c (check_omp_nesting_restrictions): Check for non-oacc
        construct in oacc routine.  Check for oacc region in oacc routine.

2016-03-04  Jakub Jelinek  <jakub@redhat.com>

        PR target/70062
        * config/i386/i386.c (decide_alg): Add RECUR argument.  Revert
        2016-02-22 changes, instead don't recurse if RECUR is already true.
        Don't change *dynamic_check if RECUR.  Adjust recursive caller
        to pass true to the new argument.
        (ix86_expand_set_or_movmem): Adjust decide_alg caller.

        PR target/70059
        * config/i386/sse.md (vec_set_lo_<mode><mask_name>,
        <extract_type_2>_vinsert<shuffletype><extract_suf_2>_mask): Formatting
        fixes.
        (vec_set_hi_<mode><mask_name>): Likewise.  Swap VEC_CONCAT operands.

2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>

        PR rtl-optimization/57676
        * lra-assigns.c (lra_assign): Guard test for maximum iterations
        with flag_checking.

2016-03-04  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * tree-vect-patterns.c (search_type_for_mask): Handle
        comparison of booleans.

2016-03-04  Jakub Jelinek  <jakub@redhat.com>

        * doc/extend.texi (__builtin_alloca, __builtin_alloca_with_align):
        Fix @xref usage.

        PR debug/69947
        * dwarf2out.c (prune_unused_types_walk_loc_descr): Handle
        all other ops that have dw_val_class_die_ref operands,
        and DW_OP_GNU_entry_value.

2016-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/69904
        * config/arm/arm.c (arm_cannot_copy_insn_p):
        Return true for load-exclusive instructions.

2016-03-03  Jakub Jelinek  <jakub@redhat.com>

        PR target/70021
        * tree-vect-stmts.c (vect_mark_relevant): Remove USED_IN_PATTERN
        argument, if STMT_VINFO_IN_PATTERN_P (stmt_info), always mark
        the pattern no matter if it is used just by non-pattern, pattern
        or mix thereof.
        (process_use, vect_mark_stmts_to_be_vectorized): Adjust callers.
        * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern): If
        oprnd1 def_stmt is in pattern, don't look through it.

2016-03-03  Marek Polacek  <polacek@redhat.com>

        PR middle-end/70050
        * match.pd (X % -Y): Add INTEGRAL_TYPE_P check.

2016-03-03  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/70043
        * tree-vect-loop.c (optimize_mask_stores): Move iterator to
        previous statement if we see a debug statement.

2016-03-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/55936
        * tree-vrp.c (compare_name_with_value): Add use_equiv_p
        parameter and guard unsafe equivalence use.
        (vrp_evaluate_conditional_warnv_with_ops): Always use
        safe equivalences but not via the quadratic compare_names
        helper.

2016-03-03  Michael Collison  <michael.collison@linaro.org>

        PR target/70014
        * config/arm/arm.md (*subsi3_carryin_const): Change predicate
        for operand 1 to s_register_operand. Change predicate for operand
        2 to arm_not_immediate_operand.

2016-03-02  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/tm.texi: Regenerated.

2016-03-02  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/67145
        * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
        simplification when all args are positive non-fixed registers.

2016-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * target.def (lra_p): Specify that new ports should use LRA.

2016-03-02  Jakub Jelinek  <jakub@redhat.com>

        PR libgomp/69555
        * gimplify.c (gimplify_decl_expr): For decls with REFERENCE_TYPE, also
        gimplify_type_sizes the type they refer to.
        (omp_notice_variable): Handle reference vars to VLAs.
        * omp-low.c (lower_omp_target): Emit setup of OMP_CLAUSE_PRIVATE
        reference to VLA decls in the second pass instead of first pass.

2016-03-02  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/68659
        * graphite-isl-ast-to-gimple.c (collect_all_ssa_names): Handle
        new_expr == NULL_TREE.
        (get_new_name): Handle ADDR_EXPR.

2016-03-02  Bin Cheng  <bin.cheng@arm.com>

        PR rtl-optimization/69052
        * loop-invariant.c (canonicalize_address): New function.
        (inv_can_prop_to_addr_use): Check validity of address expression
        which is canonicalized by above function.

2016-03-02  Alan Modra  <amodra@gmail.com>

        PR ipa/69990
        * ipa-icf.c (sem_variable::merge): Do not merge an alias with
        larger alignment.

2016-03-02  Jakub Jelinek  <jakub@redhat.com>

        PR target/70028
        * config/i386/i386.md (kmovw): Move m constraint to 2nd alternative.
        (*movhi_internal): Put mask moves from and to memory separately
        from moves from/to GPRs.

2016-03-02  Richard Biener  <rguenther@suse.de>

        * genmatch.c (dt_node::gen_kids): Fix match code-gen for embedded
        GENERIC expressions in GIMPLE.

2016-03-02  Richard Biener  <rguenther@suse.de>

        * config/i386/i386.c (type_natural_mode): Fix typo.

2016-03-02  Nick Clifton  <nickc@redhat.com>

        * config.gcc (mep-*-elf): Add newlib-stdint.h to tm_file.

2016-03-02  Richard Biener  <rguenther@suse.de>
            Uros Bizjak  <ubizjak@gmail.com>

        PR target/67278
        * config/i386/i386.c (type_natural_mode): Handle XFmode vectors.

2016-03-02  Richard Biener  <rguenther@suse.de>

        PR middle-end/67278
        * tree-cfg.c (verify_expr): Adjust BIT_FIELD_REF case.

2016-03-02  Marek Polacek  <polacek@redhat.com>

        PR c/67854
        * gimplify.c (gimplify_va_arg_expr): Use expanded location for the
        "is promoted to" warning.

2016-03-01  DJ Delorie  <dj@redhat.com>

        * config.gcc: Deprecate mep-*.

2016-03-01  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/70025
        * lra-constraints.c (regno_val_use_in): New.
        (match_reload): Use it instead of regno_use_in.

2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/70007
        * gcse.c (compute_ld_motion_mems): Tidy up and also invalidate memory
        references present in REG_EQUAL notes attached to non-SET patterns.

2016-03-01  Jeff Law  <law@redhat.com>

        PR tree-optimization/69196
        * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
        Appropriately clamp the number of statements to copy when the
        thread path does not traverse a loop backedge.

        PR tree-optimization/69196
        * tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
        Do count some PHIs in the thread path against the insn count.  Decrease
        final statement count by one as the control statement in the last
        block will get removed.  Remove special cased code for handling PHIs
        in the last block.

2016-03-01  Uros Bizjak  <ubizjak@gmail.com>

        PR target/70027
        * config/i386/i386.c (ix86_output_call_insn): Add -masm=intel
        asm dialect alternatives to explicit GOTPCREL calls.

2016-03-01  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/70017
        * ira.c (do_reload): Issue warning for generic stack checking here...
        * reload1.c (reload): ...instead of here and streamline it.

2016-03-01  Nick Clifton  <nickc@redhat.com>

        * config.gcc (cr16-*-elf): Add newlib-stdint.h to tm_file.

2016-03-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69983
        * tree-chrec.c (eq_evolutions_p): Handle conversions, compare
        types and fall back to operand_equal_p.

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        Revert
        2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/constraints.md ("jm8"): New constraint.
        * config/s390/predicates.md ("const_int_8bitset_operand"): New
        predicate.
        * config/s390/s390.md ("*setmem_long", "*setmem_long_and"): Merge
        into ...
        ("*setmem_long<setmem_and>"): New pattern.
        ("*setmem_long_31z", "*setmem_long_and_31z"): Merge
        into ...
        ("*setmem_long_31z<setmem_and>"): New pattern.
        * config/s390/subst.md ("setmem_31z_subst", "setmem_and_subst"):
        New substitution rules with the required attributes.


2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        Revert
        2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * gensupport.c (process_substs_on_one_elem): Split loop to
        complete mark_operands_used_in_match_dup on all expressions in the
        vector first.
        (adjust_operands_numbers): Inline into process_substs_on_one_elem
        and remove function.

2016-03-01  Richard Biener  <rguenther@suse.de>

        PR middle-end/70022
        * fold-const.c (fold_indirect_ref_1): Fix range checking for
        vector BIT_FIELD_REF extract.

2016-03-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69994
        * tree-ssa-reassoc.c (ops_equal_values_p): Handle missing case.

2016-03-01  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR tree-optimization/69956
        * tree-vect-stmts.c (supportable_widening_operation): Support
        multi-step conversion of boolean vectors.
        (supportable_narrowing_operation): Likewise.

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_decompose_address): Don't accept SImode
        anymore.

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/subst.md (DSI_VI): New mode iterator.
        ("addr_style_op_subst"): Use DSI_VI instead of DSI.
        * config/s390/vector.md ("vec_set<mode>"): Move expander before
        the insn definition.
        ("*vec_set<mode>"): Change predicate and add alternative to
        support only either register or const_int operands as element
        selector.
        ("*vec_set<mode>_plus"): New pattern to support reg + const_int
        operands.
        ("vec_extract<mode>"): New expander.
        ("*vec_extract<mode>"): New insn definition supporting reg and
        const_int element selectors.
        ("*vec_extract<mode>_plus"): New insn definition supporting
        reg+const_int element selectors.
        ("rotl<mode>3", "ashl<mode>3", "ashr<mode>3"): Merge into the
        following expander+insn definition.
        ("<vec_shifts_name><mode>3"): New expander.
        ("*<vec_shifts_name><mode>3<addr_style_op>"): New insn definition.

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md ("*tabort_1"): Change predicate to
        nonmemory_operand.  Add a second alternative to cover
        register as well as const int operands.
        ("*tabort_1_plus"): New pattern definition.

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md ("*ashrdi3_cc_31")
        ("*ashrdi3_cconly_31""*ashrdi3_cc_31_and")
        ("*ashrdi3_cconly_31_and", "*ashrdi3_31_and", "*ashrdi3_31"):
        Merge insn definitions into ...
        ("*ashrdi3_31<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
        New pattern definition.
        ("*ashr<mode>3_cc", "*ashr<mode>3_cconly", "ashr<mode>3", )
        ("*ashr<mode>3_cc_and", "*ashr<mode>3_cconly_and")
        ("*ashr<mode>3_and"): Merge insn definitions into ...
        ("*ashr<mode>3<addr_style_op_cc><masked_op_cc><setcc><cconly>"):
        New pattern definition.
        * config/s390/subst.md ("addr_style_op_cc_subst")
        ("masked_op_cc_subst", "setcc_subst", "cconly_subst"): New
        substitutions patterns plus attributes.
        Add ashiftrt to SUBST iterator.

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md ("<shift><mode>3"): Change predicate of
        op2 to nonmemory_operand.
        ("*<shift>di3_31", "*<shift>di3_31_and"):
        Merge into single pattern definition ...
        ("*<shift>di3_31<addr_style_op><masked_op>"): New pattern.
        ("*<shift><mode>3", "*<shift><mode>3_and"): Merge into single
        pattern definition ...
        ("*<shift><mode>3<addr_style_op><masked_op>"): New pattern.
        * config/s390/subst.md: Add ashift and lshiftrt to SUBST
        iterator.

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/predicates.md (const_int_6bitset_operand): New
        predicate.
        * config/s390/s390.md: Include subst.md.
        ("rotl<mode>3"): New expander.
        ("rotl<mode>3", "*rotl<mode>3_and"): Merge insn definitions into
        ...
        ("*rotl<mode>3<addr_style_op><masked_op>"): New insn definition.
        * config/s390/subst.md: New file.

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md ("op_type", "atype", "length" attributes):
        Remove RRR type.  It doesn't really exist.
        ("RRer", "f0", "v0", "vf", "vd", "op1", "Rf"): Remove mode
        attributes.
        ("BFP", "DFP", "nDSF", "nDFDI"): Add mode attributes.
        ("*cmp<mode>_ccs", "floatdi<mode>2", "add<mode>3")
        ("*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3")
        ("*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3")
        ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2")
        ("*abs<mode>2", "*negabs<mode>2", "sqrt<mode>2"): Override
        `enabled' attribute.

2016-03-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * gensupport.c (process_substs_on_one_elem): Split loop to
        complete mark_operands_used_in_match_dup on all expressions in the
        vector first.
        (adjust_operands_numbers): Inline into process_substs_on_one_elem
        and remove function.

2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/69706
        * config/sparc/sparc.c (NWORDS_UP): Rename to...
        (CEIL_NWORDS): ...this.  Use CEIL macro.
        (compute_fp_layout): Adjust to above renaming.
        (function_arg_union_value): Likewise.
        (sparc_arg_partial_bytes): Likewise.
        (sparc_function_arg_advance): Likewise.

2016-02-29  Jeff Law  <law@redhat.com>

        PR tree-optimization/70005
        * tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
        where an object with a boolean range is compared against a value
        outside [0..1].

        PR tree-optimization/69999
        * gimple-ssa-split-paths.c (split_paths): When duplicating a block
        with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule
        loop cleanups.

2016-02-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69994
        * tree-ssa-reassoc.c (gimple_nop_conversion_p): New function.
        (get_unary_op): Look through nop conversions.
        (ops_equal_values_p): New function, look for equality diregarding
        nop conversions.
        (eliminate_plus_minus_pair): Use ops_equal_values_p
        (repropagate_negates): Do not use get_unary_op here.

2016-02-29  Martin Liska  <mliska@suse.cz>

        * system.h: Poison ENABLE_CHECKING macro.

2016-02-29  Martin Liska  <mliska@suse.cz>

        * hsa-gen.c (gen_body_from_gimple): Dump only if TDF_DETAILS
        is presented in dump flags.
        * hsa-regalloc.c (linear_scan_regalloc): Likewise.
        (hsa_regalloc): Likewise.

2016-02-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69980
        * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Update
        permutation of those we need to keep.

2016-02-29  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/69706
        * config/sparc/sparc.c (ROUND_ADVANCE): Rename to...
        (NWORDS_UP): ...this
        (init_cumulative_args): Minor tweaks.
        (sparc_promote_function_mode): Likewise.
        (scan_record_type): Delete.
        (traverse_record_type): New function template.
        (classify_data_t): New structure type.
        (classify_registers): New inline function.
        (function_arg_slotno): In 64-bit mode, bail out early if FP slots are
        exhausted.  Instantiate traverse_record_type on classify_registers and
        deal with the case of a structure passed in slot #15 with no FP field
        in the first word.
        (assign_data_t): New structure type.
        (compute_int_layout): New static function.
        (compute_fp_layout): Likewise.
        (count_registers): New inline function.
        (assign_int_registers): New static function.
        (assign_fp_registers): Likewise.
        (assign_registers): New inline function.
        (function_arg_record_value_1): Delete.
        (function_arg_record_value_2): Likewise.
        (function_arg_record_value_3): Likewise.
        (function_arg_record_value): Adjust to above changes.  Instantiate
        traverse_record_type on count_registers to first count the number of
        registers to be used and then on assign_registers to assign them.
        (function_arg_union_value): Adjust to above renaming.
        (sparc_function_arg_1); Minor tweaks.  Remove commented out code.
        (sparc_arg_partial_bytes): Adjust to above renaming.  Deal with the
        case of a structure passed in slot #15
        (sparc_function_arg_advance): Likewise.
        (function_arg_padding): Minor tweak.

2016-02-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69720
        * tree-vect-loop.c (get_initial_def_for_reduction): Avoid
        the adjustment_def path for possibly vectorized defs.
        (vect_create_epilog_for_reduction): Handle vectorized initial
        defs properly.

2016-02-28  Eric Botcazou  <ebotcazou@adacore.com>

        * config/i386/cygming.h (STACK_REALIGN_DEFAULT): Define.

2016-02-27  Jeff Law  <law@redhat.com>

        Revert
        2016-02-26  Richard Biener  <rguenther@suse.de>
                    Jeff Law  <law@redhat.com>

        PR tree-optimization/69740
        * cfghooks.c (remove_edge): Request loop fixups if we delete
        an edge that might turn an irreducible loop into a natural
        loop.

2016-02-27  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/69896
        * tree-vect-generic.c (get_compute_type): Avoid single element
        vector types.

2016-02-26  Evandro Menezes  <e.menezes@samsung.com>

        Rename the AArch64 tuning option and related functions to enable the
        Newton series for the reciprocal square root to reflect its
        approximative characteristic.

        * config/aarch64/aarch64-protos.h (aarch64_emit_swrsqrt): Rename
        function to "aarch64_emit_approx_rsqrt".
        * config/aarch64/aarch64-tuning-flags.def: Rename tuning flag to
        AARCH64_EXTRA_TUNE_APPROX_RSQRT.
        * config/aarch64/aarch64.c (exynosm1_tunigs): Use new flag name.
        (xgene1_tunings): Likewise.
        (use_rsqrt_p): Likewise.
        (aarch64_emit_swrsqrt): Use new function name.
        * config/aarch64/aarch64-simd.md (aarch64_rsqrts_*): Likewise.
        * config/aarch64/aarch64.opt (mlow-precision-recip-sqrt): Reword the
        text explaining this option.
        * doc/invoke.texi (-mlow-precision-recip-sqrt): Likewise.

2016-02-26  Jakub Jelinek  <jakub@redhat.com>

        PR target/69969
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
        complain about -mallow-movmisalign without -mvsx if
        TARGET_ALLOW_MOVMISALIGN was not set explicitly.

2016-02-26  Joel Sherrill  <joel@rtems.org>

        * config.gcc: Add x86_64-*-rtems*.
        * gcc/config/i386/rtems-64.h: New file.

2016-02-26  Joel Sherrill  <joel@rtems.org>

        * config.gcc: Add aarch64-*-rtems*.
        * gcc/config/aarch64/rtems.h: New file.

2016-02-26  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/69946
        * config/rs6000/rs6000.c (rs6000_insn_for_shift_mask): Print rlwinm
        shift amount using %h.  Add comment.

2016-02-26  Richard Biener  <rguenther@suse.de>
            Jeff Law  <law@redhat.com>

        PR tree-optimization/69740
        * cfghooks.c (remove_edge): Request loop fixups if we delete
        an edge that might turn an irreducible loop into a natural
        loop.

2016-02-26  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/69920
        * tree-sra.c (sra_modify_assign): Do not remove loads of
        uninitialized aggregates to SSA_NAMEs.

2016-02-26  Richard Henderson  <rth@redhat.com>

        PR target/69709
        * config/s390/s390.md (risbg and risbgn splitters): Allocate new
        pseudo in case the target rtx matches the source of the left
        shift.

2016-02-26  Martin Jambor  <mjambor@suse.cz>

        PR hsa/69568
        * hsa.h (hsa_type_packed_p): Declare.
        * hsa.c (hsa_type_packed_p): New function.
        * hsa-gen.c (mem_type_for_type): Use unsigned type for packed
        loads.
        (gen_hsa_insns_for_store): Use hsa_type_packed_p.
        * hsa-brig.c (emit_basic_insn): Likewise.

2016-02-26  Martin Jambor  <mjambor@suse.cz>

        pr hsa/69674
        * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Use proper hsa type for
        pointers.
        (gen_hsa_addr): Allow integer constants in TMR_INDEX2.

2016-02-26  Martin Jambor  <mjambor@suse.cz>

        * hsa.h (is_a_helper): New overload for hsa_op_immed for
        hsa_op_with_type operands.
        (hsa_unsigned_type_for_type): Declare.
        * hsa.c (hsa_unsigned_type_for_type): New function.
        * hsa-gen.c (gen_hsa_binary_operation): Use hsa_unsigned_type_for_type.
        (gen_hsa_insns_for_operation_assignment): Satisfy constrains of
        the finalizer.  Do not emit extra move.

2016-02-26  Martin Jambor  <mjambor@suse.cz>

        * hsa-gen.c (gen_hsa_ternary_atomic_for_builtin): Fail in presence of
        atomic operations in private segment.

2016-02-26  Martin Jambor  <mjambor@suse.cz>

        * omp-low.c (grid_find_ungridifiable_statement): Store problematic
        statements to wi->info.  Also disallow omp simd constructs.
        (grid_target_follows_gridifiable_pattern): Use wi.info to dump reason
        for not gridifying.  Dump special string for omp_for.

2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/69245
        * config/aarch64/aarch64.c (aarch64_set_current_function):
        Save/restore target globals when switching to
        target_option_default_node.

2016-02-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/69613
        * config/aarch64/aarch64.c (aarch64_shift_truncation_mask):
        Return 0 if !SHIFT_COUNT_TRUNCATED.

2016-02-26  Jakub Jelinek  <jakub@redhat.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/69891
        * dse.c (scan_insn): If we can't figure out memset arguments
        or they are non-constant, call clear_rhs_from_active_local_stores.

2016-02-26  Martin Liska  <mliska@suse.cz>

        * doc/extend.texi: Mention clog10, clog10f an clog10l
        in Builtins section.

2016-02-26  Martin Liska  <mliska@suse.cz>

        * dwarf2out.c (new_loc_descr): Replace ENABLE_CHECKING with
        CHECKING_P.
        (resolve_args_picking_1): Likewise.
        * dwarf2out.h (struct GTY): Likewise.

2016-02-26  Martin Liska  <mliska@suse.cz>

        * hsa-gen.c (generate_hsa): Replace ENABLE_CHECKING macro
        with flag_checking.
        * hsa-regalloc.c (linear_scan_regalloc): Likewise.

2016-02-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
            Martin Liska  <mliska@suse.cz>

        * doc/install.texi: Mention --enable-valgrind-annotations.

2016-02-26  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69551
        * tree-ssa-structalias.c (get_constraint_for_ssa_var): When
        looking through aliases adjust DECL_PT_UID to refer to the
        ultimate alias target.

2016-02-25  Martin Liska  <mliska@suse.cz>

        PR middle-end/69919
        * alloc-pool.c (after_memory_report): New variable.
        * alloc-pool.h (base_pool_allocator ::release): Do not use
        the infrastructure if after_memory_report.
        * toplev.c (toplev::main): Mark after memory report.

2016-02-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/48795
        * tree-vrp.c (check_array_ref): Use array_at_struct_end_p.

2016-02-25  Ilya Verbin  <ilya.verbin@intel.com>

        PR driver/68463
        * config/gnu-user.h (CRTOFFLOADBEGIN): Define.  Add crtoffloadbegin.o if
        offloading is enabled and -fopenacc or -fopenmp is specified.
        (CRTOFFLOADEND): Likewise.
        (GNU_USER_TARGET_STARTFILE_SPEC): Add CRTOFFLOADBEGIN.
        (GNU_USER_TARGET_ENDFILE_SPEC): Add CRTOFFLOADEND.
        * lto-wrapper.c (offloadbegin, offloadend): Remove static vars.
        (offload_objects_file_name): New static var.
        (tool_cleanup): Remove offload_objects_file_name file.
        (find_offloadbeginend): Replace with ...
        (find_crtoffloadtable): ... this.
        (run_gcc): Remove offload_argc and offload_argv.
        Get offload_objects_file_name from -foffload-objects=... option.
        Read names of object files with offload from this file, pass them to
        compile_images_for_offload_targets.  Don't call find_offloadbeginend and
        don't pass offloadbegin and offloadend to the linker.  Don't pass
        offload non-LTO files to the linker, because now they're not claimed.

2016-02-25  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/69630
        * ipa-devirt.c (possible_polymorphic_call_targets): Do not ICE
        on builtin_unreachable.

2016-02-25  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/69896
        * regcprop.c: Include cfgrtl.h.
        (copyprop_hardreg_forward_1): If noop_p insn uses narrower
        than remembered mode, either delete it (if noop_move_p), or
        treat like copy_p but not noop_p instruction.

2016-02-24  Jakub Jelinek  <jakub@redhat.com>

        PR debug/69705
        * dwarf2out.c (gen_variable_die): Work around buggy LTO
        - allow NULL decl for Fortran DW_TAG_common_block variables.

2016-02-24  Jason Merrill  <jason@redhat.com>

        * common.opt (flifetime-dse): Add -flifetime-dse=1.

2016-02-24  Richard Biener  <rguenther@suse.de>
            Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/69760
        * tree-scalar-evolution.c (interpret_rhs_expr): Re-write
        conditionally executed ops to well-defined overflow behavior.

2016-02-24  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/69915
        * tree.c (build_vector_from_ctor): Fix handling of VECTOR_CST
        elements.

2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/69886
        * gcse.c (can_assign_to_reg_without_clobbers_p): Accept mode
        argument.  Use it when checking validity of set instructions.
        (want_to_gcse_p): Pass mode to can_assign_to_reg_without_clobbers_p.
        (compute_ld_motion_mems): Update can_assign_to_reg_without_clobbers_p
        callsite.
        * rtl.h (can_assign_to_reg_without_clobbers_p): Update prototype.
        * store-motion.c (find_moveable_store): Update
        can_assign_to_reg_without_clobbers_p callsite.

2016-02-24  Richard Biener  <rguenther@suse.de>

        PR middle-end/68963
        * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Fix
        bogus check.
        (record_nonwrapping_iv): Do not fall back to the low/high bound
        for non-constant IV bases if the stmt is not always executed.

2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm-cores.def (cortex-a32): New entry.
        * config/arm/arm-tables.opt: Regenerate.
        * config/arm/arm-tune.md: Regenerate.
        * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a32.
        * config/arm/t-aprofile: Handle mcpu=cortex-a32.
        * doc/invoke.texi (ARM Options): Document cortex-a32 as value
        for -mcpu and -mtune.

2016-02-24  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/69875
        * config/arm/arm.h (TARGET_HAVE_LPAE): Define.
        * config/arm/unspecs.md (VUNSPEC_LDRD_ATOMIC): New value.
        * config/arm/sync.md (arm_atomic_loaddi2_ldrd): New pattern.
        (atomic_loaddi_1): Delete.
        (atomic_loaddi): Rewrite expander using the above changes.

2016-02-24  Jakub Jelinek  <jakub@redhat.com>

        PR c/69918
        * params.def (PARAM_MAX_SSA_NAME_QUERY_DEPTH): Bump default from
        2 to 3.

2016-02-24  Jakub Jelinek  <jakub@redhat.com>
            Richard Biener  <rguenth@suse.de>

        PR middle-end/69909
        * expr.c (expand_expr_real_1) <normal_inner_ref>: Avoid
        set_mem_attributes if tem is SSA_NAME which got expanded
        as a MEM.

2016-02-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69907
        * tree-vect-stmts.c (vectorizable_load): Check for gaps at the
        end of permutations for BB vectorization.

2016-02-24  Christian Bruel  <christian.bruel@st.com>

        * config/arm/arm-c.c (arm_option_override): Initialize
        target_option_current_node.
        * config/arm/arm.c (arm_pragma_target_parse): Replace
        build_target_option_node call by target_option_current_node.
        Set target_option_current_node.
        Fix comments.

2016-02-23  David Edelsohn  <dje.gcc@gmail.com>

        PR target/69810
        * config/rs6000/rs6000.md (zero_extendqi<mode>2_dot): Convert from
        define_insn_and_split to define_insn.
        (zero_extendqi<mode>2_dot2): Same.
        (extendqi<mode>2_dot): Same.
        (extendqi<mode>2_dot2): Same.

2016-02-23  Evandro Menezes  <e.menezes@samsung.com>

        * config/arm/exynos-m1.md: Change cost of STP, fix bypass for stores
        and add bypass for AES{D,E} and AESMC pairs.
        * config/aarch64/aarch64.c (exynosm1_tunings): Enable fusion of AES{D,E}
        and AESMC pairs.

2016-02-23  Evandro Menezes  <e.menezes@samsung.com>

        * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
        series for reciprocal square root in Exynos M1.

2016-02-23  Martin Sebor  <msebor@redhat.com>

        PR c/69759
        * doc/extend.texi (Other Builtins): Document __builtin_alloca and
        __builtin_alloca_with_align.

2016-02-23  Richard Henderson  <rth@redhat.com>

        * config/i386/i386-c.c (ix86_target_macros): Remove __SEG_TLS.
        (ix86_register_pragmas): Remove __seg_tls.
        * config/i386/i386-protos.h (ADDR_SPACE_SEG_TLS): Remove.
        * config/i386/i386.c (ix86_print_operand_address_as): Don't handle it.
        (ix86_addr_space_subset_p, TARGET_ADDR_SPACE_SUBSET_P): Remove.
        (ix86_addr_space_convert, TARGET_ADDR_SPACE_CONVERT): Remove.
        (ix86_addr_space_debug, TARGET_ADDR_SPACE_DEBUG): Remove.
        * doc/extend.texi (__seg_tls): Remove item.

2016-02-23  Richard Biener  <rguenther@suse.de>

        * alloc-pool.h (struct allocation_object): Make id member
        conditional on CHECKING_P again.
        (get_instance): Adjust.
        (base_pool_allocator): Likewise.

2016-02-23  Thomas Schwinge  <thomas@codesourcery.com>

        * tree-parloops.c (create_parallel_loop, gen_parallel_loop)
        (parallelize_loops): In OpenACC kernels mode, set n_threads to
        zero.
        (pass_parallelize_loops::gate): In OpenACC kernels mode, gate on
        flag_openacc.
        * tree-ssa-loop.c (gate_oacc_kernels): Likewise.

2016-02-23  Richard Biener  <rguenther@suse.de>

        * mem-stats.h (struct mem_usage): Use PRIu64 for printing size_t.
        * bitmap.h (struct bitmap_usage): Likewise.
        (bitmap_move): Declare.
        * bitmap.c (register_overhead): Take size_t argument.
        (bitmap_move): New function.
        * df-problems.c (df_rd_transfer_function): Use bitmap_move
        to properly account overhead.
        * tree.c (free_node): Use tree_size.

2016-02-23  Jakub Jelinek  <jakub@redhat.com>

        PR c++/69902
        * fold-const.c (fold_truth_not_expr): Propagate TREE_NO_WARNING
        when inverting comparison.

        PR c/69900
        * common.opt (Wunreachable-code): Add Warning flag.

2016-02-23  Mark Wielaard  <mjw@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR c/69911
        * cgraphunit.c (check_global_declaration): Check main_input_filename
        and DECL_SOURCE_FILE are not NULL.

2016-02-23  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/69666
        * tree-sra.c (sra_modify_assign): Do not attempt to create
        default_def replacements for unscalarizable regions.

2016-02-20  Mark Wielaard  <mjw@redhat.com>

        PR c/28901
        * cgraphunit.c (check_global_declaration): Check level of
        warn_unused_const_variable and main_input_filename.
        * doc/invoke.texi (Warning Options): Add -Wunused-const-variable=.
        (-Wunused-variable): For C implies -Wunused-const-variable=1.
        (-Wunused-const-variable): Explain levels 1 and 2.

2016-02-22  Jakub Jelinek  <jakub@redhat.com>

        PR target/69888
        * config/i386/i386.c (decide_alg): Ensure we don't recurse with
        identical arguments.  Formatting and spelling fixes.

        PR target/69885
        * doc/md.texi (ashl@var{m}3): Document that mode of operand 2 must
        be specified.

        PR target/69894
        PR target/69895
        * config/m68k/t-opts (OPTIONS_H_EXTRA): Add m68k-microarchs.def
        and m68k-devices.def.
        * config/c6x/t-c6x (OPTIONS_H_EXTRA): Add c6x-isas.def.
        * config/aarch64/t-aarch64 (OPTIONS_H_EXTRA): Add aarch64-arches.def.

2016-02-22  Cesar Philippidis  <cesar@codesourcery.com>

        * config/nvptx/nvptx.c (nvptx_gen_shuffle): Add support for QImode
        and HImode registers.

2016-02-22  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69882
        * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Properly
        preserve permutations present because of gaps.
        (vect_supported_load_permutation_p): Always continue checking
        permutations after vect_attempt_slp_rearrange_stmts.

2016-02-22  Bin Cheng  <bin.cheng@arm.com>

        * tree-vect-loop.c (vect_estimate_min_profitable_iters): Dump
        min_profitable_estimate, rather than min_profitable_iters.

2016-02-22  Jakub Jelinek  <jakub@redhat.com>

        PR target/69885
        * config/m68k/m68k.md (ashldi3, ashrdi3, lshrdi3): Use
        SImode for last match_operand.

2016-02-22  Martin Liska  <mliska@suse.cz>

        * hsa-gen.c (gen_hsa_clrsb): In case of zero value,
        return bitsize - 1 as the return value.

2016-02-22  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/69806
        PR target/54089
        * config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p, sh_dynamicalize_shift_p):
        Handle negative shift counts.
        * config/sh/sh.md (ashlsi3, lshrsi3_n, lshrsi3_n_clobbers_t): Don't use
        force_reg on the shift constant.
        (lshrsi3): Likewise.  Expand into lshrsi3_n* instead of lshrsi3_d.
        (lshrsi3_d): Handle negative shift counts.

2016-02-22  Richard Biener  <rguenther@suse.de>
            Tom de Vries  <tom@codesourcery.com>

        * graph.c: Include dumpfile.h.
        (print_graph_cfg): Split into three overloads.
        * gdbhooks.py (class DotFn): Add and instantiate, adding command dot-fn.

2016-02-22  Tom de Vries  <tom@codesourcery.com>

        * gdbhooks.py (class DumpFn): Add and instantiate, adding command
        dump-fn.

2016-02-22  Richard Biener  <rguenther@suse.de>

        PR ipa/37448
        * ipa-inline-transform.c (inline_call): When not updating
        overall summaries adjust self size by the growth estimate.
        * ipa-inline.c (inline_to_all_callers_1): Add to the callers
        hash-set, do not update overall summaries here.  Renamed from ...
        (inline_to_all_callers): ... this which is now wrapping the
        above and performing delayed overall summary update.
        (early_inline_small_functions): Delay updating of the overall
        summary.

2016-02-21  Markus Trippelsdorf  <markus@trippelsdorf.de>

        * tree-chkp.c (chkp_mark_invalid_bounds_walker): Initialize
        variable.

2016-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR driver/69805
        * gcc.c (LINK_COMMAND_SPEC, GOMP_SELF_SPECS): Use
        :%* in %:gt() argument.
        (greater_than_spec_func): Adjust for expecting only numbers,
        if there are more than two numbers, compare the last two.

2016-02-19  Jonathan Wakely  <jwakely@redhat.com>

        * doc/invoke.texi (C++ Dialect Options): Clarify interaction of
        -Wnarrowing with -std.

2016-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR c++/69851
        * expr.c (store_field): Don't use bit-field path if exp is
        COMPONENT_REF with TREE_ADDRESSABLE type, where TYPE_SIZE is
        different from bitsize, but DECL_SIZE of FIELD_DECL is bitsize
        and the assignment can be performed by bitwise copy.  Formatting
        fix.

        PR middle-end/69838
        * lra.c (lra_process_new_insns): If non-call exceptions are enabled,
        call copy_reg_eh_region_note_forward on before and/or after sequences
        and remove note from insn if it no longer can throw.

        PR target/69820
        * config/i386/sse.md (VI_512): Only include V64QImode and V32HImode
        if TARGET_AVX512BW.

2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/vector.md: Add missing commutative operand markers
        to the patterns which qualify for one.
        * config/s390/vx-builtins.md: Likewise.

2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/vector.md (VI, VI_QHS): Add single element vector
        types to mode iterators.
        (vec_double): ... and mode attribute.
        * config/s390/vx-builtins.md (non_vec_int): Likewise.

2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/vector.md ("<ti*>add<mode>3", "<ti*>sub<mode>3"):
        Change the predicate of op2 from nonimmediate to general and let
        reload fix it if necessary.

2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/vecintrin.h (vec_sub_u128): Define missing macro.

2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_expand_vcond): Use the compare operand
        mode.

2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390-protos.h: Add s390_expand_vec_movstr prototype.
        * config/s390/s390.c (s390_expand_vec_movstr): New function.
        * config/s390/s390.md ("movstr<P:mode>"): Call
        s390_expand_vec_movstr.

2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md: Add missing output modifier for operand 1
        to print it as address properly.

2016-02-19  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/2827.md: Rename ooo_* insn attributes to zEC12_*.
        * config/s390/2964.md: New file.
        * config/s390/s390.c (s390_get_sched_attrmask): Use the right set
        of insn grouping attributes depending on the CPU level.
        (s390_get_unit_mask): New function.
        (s390_sched_score): Remove the OOO from the scheduling macros.
        Add loop to calculate a score for the instruction mix.
        (s390_sched_reorder): Likewise plus improve debug output.
        (s390_sched_variable_issue): Rename macros as above.  Calculate
        the unit distances after actually scheduling an insn.  Improve
        debug output.
        (s390_sched_init): Clear last_scheduled_unit_distance array.
        * config/s390/s390.md: Include 2964.md.

2016-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR target/69671
        * config/i386/sse.md (*<floatsuffix>floatv2div2sf2_mask_1,
        *avx512vl_<code>v2div2qi2_mask_1, *avx512vl_<code><mode>v4qi2_mask_1,
        *avx512vl_<code><mode>v8qi2_mask_1, *avx512vl_<code><mode>v4hi2_mask_1,
        *avx512vl_<code>v2div2hi2_mask_1, *avx512vl_<code>v2div2si2_mask_1,
        *avx512f_<code>v8div16qi2_mask_1): New insns.

2016-02-18  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/68404
        * config/rs6000/predicates.md (fusion_gpr_addis): Revert
        2016-02-09 change.

        * config/rs6000/rs6000.md (fusion_gpr_load_<mode>): Remove
        earlyclobber from target.  Use wF constraint for fused memory
        address.
        (fusion_gpr_<P:mode>_<GPR_FUSION:mode>_load): Likewise.

2016-02-18  Jakub Jelinek  <jakub@redhat.com>
            Martin Liska  <mliska@suse.cz>

        PR sanitizer/69863
        * cfgexpand.c (asan_sanitize_stack_p): New function.
        (partition_stack_vars): Use the function.
        (expand_stack_vars): Likewise.
        (defer_stack_allocation): Likewise.
        (expand_used_vars): Likewise.

2016-02-18  Richard Biener  <rguenther@suse.de>

        PR middle-end/69553
        * fold-const.c (operand_equal_p): Properly compare offsets for
        IMAGPART_EXPR and ARRAY_REF.

2016-02-18  Nick Clifton  <nickc@redhat.com>

        PR target/62254
        PR target/69610
        * config/arm/arm.c (arm_option_override_internal): Disable
        interworking if the target does not support thumb instructions.
        (arm_reload_in_hi): Handle the case where a register to register
        move needs reloading because there is no simple pattern to handle
        it.
        (arm_reload_out_hi): Likewise.

2016-02-18  Richard Biener  <rguenther@suse.de>

        PR middle-end/69854
        * match.pd: Don't use fold_binary or fold_unary for folding
        constants.

2016-02-17  Jakub Jelinek  <jakub@redhat.com>

        PR c++/69850
        * gimplify.c (gimplify_cond_expr): Call gimple_set_no_warning
        on the cond_stmt from TREE_NO_WARNING on COND_EXPR_COND.
        * gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Don't
        warn on gimple_no_warning_p statements.

2016-02-17  Jonathan Wakely  <jwakely@redhat.com>

        * doc/extend.texi (C++ Attributes): Correct description of
        warn_unused type attribute.

2016-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/altivec.md (*altivec_lvxl_<mode>_internal): Output
        correct instruction.

2016-02-17  Richard Biener  <rguenther@suse.de>

        PR rtl-optimization/69609
        * bb-reorder.c (struct bbro_basic_block_data): Add priority member.
        (find_traces_1_round): When ending a trace update cached priority
        of successors.
        (bb_to_key): Use cached priority when available.
        (copy_bb): Initialize cached priority.
        (reorder_basic_blocks_software_trace_cache): Likewise.

2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/69161
        * config/aarch64/predicates.md (aarch64_comparison_operator_mode):
        New predicate.
        (aarch64_comparison_operator): Break overly long line into two.
        (aarch64_comparison_operation): Likewise.
        * config/aarch64/aarch64.md (cstorecc4): Use
        aarch64_comparison_operator_mode instead of
        aarch64_comparison_operator.
        (cstore<mode>4): Likewise.
        (aarch64_cstore<mode>): Likewise.
        (*cstoresi_insn_uxtw): Likewise.
        (cstore<mode>_neg): Likewise.
        (*cstoresi_neg_uxtw): Likewise.

2016-02-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/69161
        * config/arm/predicates.md (arm_comparison_operator_mode):
        New predicate.
        * config/arm/arm.md (*mov_scc): Use arm_comparison_operator_mode
        instead of arm_comparison_operator.
        (*mov_negscc): Likewise.
        (*mov_notscc): Likewise.
        * config/arm/thumb2.md (*thumb2_mov_scc): Likewise.
        (*thumb2_mov_negscc): Likewise.
        (*thumb2_mov_negscc_strict_it): Likewise.
        (*thumb2_mov_notscc): Likewise.
        (*thumb2_mov_notscc_strict_it): Likewise.

2016-02-17  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (aarch64_internal_mov_immediate):
        Add missing return.

2016-02-17  Eric Botcazou  <ebotcazou@adacore.com>

        * config/visium/visium.c (machine_libfunc_index): New enum.
        (machine_libfuncs): New structure.
        (visium_libfuncs): New static variable.
        (TARGET_INIT_LIBFUNCS): Define to...
        (visium_init_libfuncs): ...this.  New function.
        (expand_block_move_4): Use the appropriate libfunc.
        (expand_block_move_2): Likewise.
        (expand_block_move_1): Likewise.
        (expand_block_set_4): Likewise.
        (expand_block_set_2): Likewise.
        (expand_block_set_1): Likewise.
        (visium_trampoline_init): Likewise.

2016-02-17  Nick Clifton  <nickc@redhat.com>

        * config/msp430/msp430.c (msp430_mcu_data): Sync with data from
        TI's devices.csv file as of March 2016.

2016-02-16  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        PR Target/48344
        * opts-global.c (handle_common_deferred_options): Introduce and
        initialize two global variables to remember command-line options
        specifying a stack-limiting register.
        * opts.h: Add extern declarations of the two new global variables.
        * emit-rtl.c (init_emit_once): Initialize the stack_limit_rtx
        variable based on the values of the two new global variables.

2016-02-16  Jakub Jelinek  <jakub@redhat.com>

        PR c/69835
        * common.opt (Wnonnull-compare): New warning.
        * doc/invoke.texi (-Wnonnull): Remove text about comparison
        of arguments against NULL.
        (-Wnonnull-compare): Document.
        * Makefile.in (OBJS): Add gimple-ssa-nonnull-compare.o.
        * tree-pass.h (make_pass_warn_nonnull_compare): Declare.
        * passes.def (pass_warn_nonnull_compare): Add.
        * gimple-ssa-nonnull-compare.c: New file.

2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64.c (cortexa57_tunings): Remove
        AARCH64_EXTRA_TUNE_RECIP_SQRT.

2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64.c (use_rsqrt_p): Always use software
        reciprocal sqrt for -mlow-precision-recip-sqrt.

2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>
            Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/aarch64/aarch64.c (aarch64_expand_vector_init): Refactor,
        always use lane loads to construct non-constant vectors.

2016-02-16  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64.md
        (arch64_sqrdml<SQRDMLH_AS:rdma_as>h_lane<mode>): Fix register
        constraints for operand 3.
        (aarch64_sqrdml<SQRDMLH_AS:rdma_as>h_laneq<mode>): Likewise.

2016-02-16  Jakub Jelinek  <jakub@redhat.com>
            Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69820
        * tree-vect-patterns.c (type_conversion_p): Return false if
        *orig_type is unsigned single precision or boolean.
        (vect_recog_dot_prod_pattern, vect_recog_widen_mult_pattern):
        Formatting fix.

2016-02-16  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/69764
        PR rtl-optimization/69771
        * optabs.c (expand_binop): Ensure for shift optabs invalid CONST_INT
        op1 is valid for GET_MODE_INNER (mode) and force it into a reg.

2016-02-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69776
        * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Get alias
        sets from caller.
        (indirect_refs_may_alias_p): Likewise.
        (refs_may_alias_p_1): Pass alias sets as from ao_ref.
        * tree-ssa-sccvn.c (vn_reference_lookup): Also adjust vr alias-set
        according to tbaa_p.
        * tree-ssa-dom.c (lookup_avail_expr): Add tbaa_p flag.
        (optimize_stmt): For redundant store discovery do not allow tbaa.

2016-02-16  Bernd Schmidt  <bschmidt@redhat.com>

        PR tree-optimization/69714
        * tree-ssa-math-opts.c (find_bswap_or_nop): Revert previous change.
        Return NULL if we have irrelevant high bytes on BIG_ENDIAN.

2016-02-16  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc-modes.def (CC_FPU, CC_FPU_UNEQ): New modes.
        * config/arc/arc-opts.h (FPU_SP, FPU_SF, FPU_SC, FPU_SD, FPU_DP)
        (FPU_DF, FPU_DC, FPU_DD, FXP_DP): Define.
        * config/arc/arc.c (arc_init): Check FPU options.
        (get_arc_condition_code): Handle new CC_FPU* modes.
        (arc_select_cc_mode): Likewise.
        (arc_conditional_register_usage): Allow 64 bit datum into even-odd
        register pair only. Allow access for ARCv2 accumulator.
        (gen_compare_reg): Whenever we have FPU support use FPU compare
        instructions.
        (arc_reorg): Don't generate brcc insns when FPU compare
        instructions are involved.
        * config/arc/arc.h (TARGET_DPFP): Add TARGET_FP_DPAX condition.
        (TARGET_OPTFPE): Add condition when ARC EM can use optimized
        floating point emulation.
        (ACC_REG_FIRST, ACC_REG_LAST, ACCL_REGNO, ACCH_REGNO): Define.
        (REVERSE_CONDITION): Add new CC_FPU* modes.
        (TARGET_FP_SP_BASE): Define.
        (TARGET_FP_DP_BASE): Likewise.
        (TARGET_FP_SP_FUSED): Likewise.
        (TARGET_FP_DP_FUSED): Likewise.
        (TARGET_FP_SP_CONV): Likewise.
        (TARGET_FP_DP_CONV): Likewise.
        (TARGET_FP_SP_SQRT): Likewise.
        (TARGET_FP_DP_SQRT): Likewise.
        (TARGET_FP_DP_AX): Likewise.
        * config/arc/arc.md (ARCV2_ACC): New constant.
        (type): New fpu type attribute.
        (SDF): Conditional iterator.
        (cstore<mode>, cbranch<mode>): Change expand condition.
        (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3): New expands,
        handles FPU/FPX cases as well.
        * config/arc/arc.opt (mfpu): New option.
        * config/arc/fpx.md (addsf3_fpx, subsf3_fpx, mulsf3_fpx):
        Renamed.
        (adddf3, muldf3, subdf3): Removed.
        * config/arc/predicates.md (proper_comparison_operator): Recognize
        CC_FPU* modes.
        * config/arc/fpu.md: New file.
        * doc/invoke.texi (ARC Options): Document mfpu option.

2016-02-16  Richard Biener  <rguenther@suse.de>

        PR rtl-optimization/69291
        * ifcvt.c (noce_try_store_flag_constants): Re-instantiate
        noce_operand_ok check.

2016-02-16  Tom de Vries  <tom@codesourcery.com>

        PR lto/67709
        * omp-low.c (simd_clone_create): Remove call to
        symtab->call_cgraph_insertion_hooks.

2016-02-16  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69802
        * tree-ssa-reassoc.c (update_range_test): If op is
        SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
        op == 1 test of precision 1 integral op, otherwise handle
        that case as op itself.  Fix up formatting.
        (optimize_range_tests_to_bit_test, optimize_range_tests): Fix
        up formatting.

2016-02-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69586
        * tree-vrp.c (register_edge_assert_for_2): Handle all integral
        types for conversion sources.

2016-02-16  Richard Biener  <rguenther@suse.de>

        PR middle-end/69801
        * fold-const.c (operand_equal_p): For COND_EXPR zero operand
        mask OEP_ADDRESS_OF.

2016-02-16  Alan Modra  <amodra@gmail.com>

        PR target/68973
        * config/rs6000/rs6000.md (reload_vsx_from_gprsf): Rewrite splitter.
        (p8_mtvsrd_df, p8_mtvsrd_sf): New.
        (p8_mtvsrd_1, p8_mtvsrd_2): Delete.
        (p8_mtvsrwz): New.
        (p8_mtvsrwz_1, p8_mtvsrwz_2): Delete.
        (p8_xxpermdi_<mode>): Take two DF inputs rather than one TF.
        (p8_fmrgow_<mode>): Likewise.
        (reload_vsx_from_gpr<mode>): Make clobber IF.  Adjust for above
        changes.
        (reload_fpr_from_gpr<mode>): Similarly. Use "d" for op0 constraint.
        (reload_vsx_from_gprsf): Use p8_mtvsrd_sf rather than attempting
        to use movdi_internal64.  Remove op0_di.
        * config/rs6000/vsx.md (vsx_xscvspdpn_directmove): Make op1 SFmode.

2016-02-15  Evandro Menezes  <e.menezes@samsung.com>

        Add support for the FCCMP insn types

        * config/aarch64/aarch64.md (fccmp): Change insn type.
        (fccmpe): Likewise.
        * config/aarch64/thunderx.md (thunderx_fcmp): Add "fccmp{s,d}" types.
        * config/arm/cortex-a53.md (cortex_a53_fpalu): Likewise.
        * config/arm/cortex-a57.md (cortex_a57_fp_cmp): Likewise.
        * config/arm/xgene1.md (xgene1_fcmp): Likewise.
        * config/arm/exynos-m1.md (exynos_m1_fp_ccmp): New insn reservation.
        * config/arm/types.md (fccmps): Add new insn type.
        (fccmpd): Likewise.

2016-02-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * alias.c (get_alias_set): Fix a typo in comment.

2016-02-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69595
        * match.pd: Complete range test simplification to true.

2016-02-15  Bernd Schmidt  <bschmidt@redhat.com>

        PR rtl-optimization/69648
        * lra-constraints.c (update_ebb_live_info): Don't remove sets of
        pic_offset_table_rtx.

        PR rtl-optimization/69752
        * ira.c (update_equiv_regs): When looking for more than a single SET,
        also take other side effects into account.

2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>

        * config/s390/s390.c (s390_function_profiler): Add a new sequence
        for z900+ CPUs in 31-bit mode.

2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>

        * common/config/s390/s390-common.c (s390_supports_split_stack):
        New function.
        (TARGET_SUPPORTS_SPLIT_STACK): New macro.
        * config/s390/s390-protos.h: Add s390_expand_split_stack_prologue.
        * config/s390/s390.c (struct machine_function): New field
        split_stack_varargs_pointer.
        (s390_register_info): Mark r12 as clobbered if it'll be used as temp
        in s390_emit_prologue.
        (s390_emit_prologue): Use r12 as temp if r1 is taken by split-stack
        vararg pointer.
        (morestack_ref): New global.
        (SPLIT_STACK_AVAILABLE): New macro.
        (s390_expand_split_stack_prologue): New function.
        (s390_live_on_entry): New function.
        (s390_va_start): Use split-stack vararg pointer if appropriate.
        (s390_asm_file_end): Emit the split-stack note sections.
        (TARGET_EXTRA_LIVE_ON_ENTRY): New macro.
        * config/s390/s390.md (UNSPEC_STACK_CHECK): New unspec.
        (UNSPECV_SPLIT_STACK_CALL): New unspec.
        (UNSPECV_SPLIT_STACK_DATA): New unspec.
        (split_stack_prologue): New expand.
        (split_stack_space_check): New expand.
        (split_stack_data): New insn.
        (split_stack_call): New expand.
        (split_stack_call_*): New insn.
        (split_stack_cond_call): New expand.
        (split_stack_cond_call_*): New insn.

2016-02-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69783
        * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
        Add trivially correct cases.

2016-02-15  Tom de Vries  <tom@codesourcery.com>

        PR lto/69655
        * lto-cgraph.c (input_offload_tables): Add and handle bool parameter
        do_force_output.
        * lto-streamer.h (input_offload_tables): Add and handle bool parameter.

2016-02-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69776
        * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
        * tree-ssa-sccvn.c (vn_reference_lookup): Add parameter to
        indicate whether we can use TBAA to disambiguate against stores.
        Use alias-set zero if not.
        (visit_reference_op_store): Do not use TBAA when looking up
        redundant stores.
        * tree-ssa-pre.c (compute_avail): Use TBAA here.
        (eliminate_dom_walker::before_dom_children): But not when looking
        up redundant stores.

2016-02-14  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.md (absqi2, absghi2, bswaphi2, bswapsi2, bswapdi2): New.

2016-02-14  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        *  config/i386/znver1.md
        (znver1_pop, znver1_pop_mem,
        znver1_load_imov_double_store,
        znver1_load_imov_direct_store,
        znver1_load_imov_direct_load,
        znver1_load_imov_double_load): Add new.
        (znver1_insn, znver1_insn_load): Add icmov type.
        (znver1_sseavx_fma,
        znver1_sseavx_fma_load,
        znver1_avx256_fma,
        znver1_avx256_fma_load): Fix pipe usage.

2016-02-14  Alan Modra  <amodra@gmail.com>

        PR target/68973
        * reloads.c (find_reloads_address_1): For pre/post-inc/dec
        with an invalid hard reg, reload just the reg not the entire
        pre/post-inc/dec address expression.

2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/67260
        * config/sh/sh.md (sibcall_value_pcrel): Replace =&k scratch reg with
        fixed R1_REG scratch reg.
        (sibcall_value_pcrel_fdpic): Likewise.

2016-02-13  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/67636
        PR target/64345
        * config/sh/sh.md (*zero_extract_3): New insn_and_split pattern.

2016-02-12  Walter Lee  <walt@tilera.com>

        * config/tilepro/t-tilepro: Replace CC_FOR_BUILD with CXX_FOR_BUILD.
        * config/tilegx/t-tilegx: Likewise.

2016-02-12  David Malcolm  <dmalcolm@redhat.com>

        PR other/69554
        * diagnostic-show-locus.c (struct line_span): New struct.
        (layout::get_first_line): Delete.
        (layout::get_last_line): Delete.
        (layout::get_num_line_spans): New member function.
        (layout::get_line_span): Likewise.
        (layout::print_heading_for_line_span_index_p): Likewise.
        (layout::get_expanded_location): Likewise.
        (layout::calculate_line_spans): Likewise.
        (layout::m_first_line): Delete.
        (layout::m_last_line): Delete.
        (layout::m_line_spans): New field.
        (layout::layout): Update comment.  Replace m_first_line and
        m_last_line with m_line_spans, replacing their initialization
        with a call to calculate_line_spans.
        (diagnostic_show_locus): When printing source lines and
        annotations, rather than looping over a single span
        of lines, instead loop over each line_span within
        the layout, with an inner loop over the lines within them.
        Call the context's start_span callback when changing line spans.
        * diagnostic.c (diagnostic_initialize): Initialize start_span.
        (diagnostic_build_prefix): Break out the building of the location
        part of the string into...
        (diagnostic_get_location_text): ...this new function, rewriting
        it from nested ternary expressions to a sequence of "if"
        statements.
        (default_diagnostic_start_span_fn): New function.
        * diagnostic.h (diagnostic_start_span_fn): New typedef.
        (diagnostic_context::start_span): New field.
        (default_diagnostic_start_span_fn): New prototype.

2016-02-12  David Malcolm  <dmalcolm@redhat.com>

        PR driver/69779
        * gcc.c (driver::finalize): Fix cleanup of "specs".

2016-02-12  David Malcolm  <dmalcolm@redhat.com>

        PR driver/69265
        PR driver/69453
        * gcc.c (driver::driver): Initialize m_option_suggestions.
        (driver::~driver): Clean up m_option_suggestions.
        (suggest_option): Convert to...
        (driver::suggest_option): ...this, and split out into
        driver::build_option_suggestions and find_closest_string.
        (driver::build_option_suggestions): New function, from
        first half of suggest_option.  Special-case
        OPT_fsanitize_ and OPT_fsanitize_recover_, making use of
        the sanitizer_opts array.  For options of enum types, add the
        various enum values to the candidate strings.
        (driver::handle_unrecognized_options): Remove "const".
        * gcc.h (driver::handle_unrecognized_options): Likewise.
        (driver::build_option_suggestions): New decl.
        (driver::suggest_option): New decl.
        (driver::m_option_suggestions): New field.
        * opts-common.c (add_misspelling_candidates): New function.
        * opts.c (sanitizer_opts): Remove decl of struct sanitizer_opts_s
        and make non-static.
        * opts.h (sanitizer_opts): New array decl.
        (add_misspelling_candidates): New function decl.
        * spellcheck.c (find_closest_string): New function.
        * spellcheck.h (find_closest_string): New function decl.

2016-02-12  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/69764
        PR rtl-optimization/69771
        * optabs.c (expand_binop_directly): For shift_optab_p, force
        convert_modes with VOIDmode if xop1 has VOIDmode.

2016-02-12  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR target/69729
        * lto-streamer-out.c (lto_output): Use thunk.add_pointer_bounds_args
        to correctly determine instrumentation thunks.

2016-02-12  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/69241
        * ipa-split.c (split_function): If split part returns TREE_ADDRESSABLE
        type by reference, force lhs on the call.

        PR ipa/68672
        * ipa-split.c (split_function): Don't compute/use main_part_return_p.
        Compute retval and retbnd early in all cases if split_part_return_p
        and return_bb is not EXIT.  Remove all clobber stmts and reset
        all debug stmts that refer to SSA_NAMEs defined in split part,
        except if it is retval, in that case replace the old retval with the
        lhs of the call to the split part.

2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>

        revert:
        2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>

        PR middle-end/66726
        * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
        whose result is used in PHI.
        (maybe_optimize_range_tests): Likewise.
        (final_range_test_p): Likweise.

2016-02-12  Kugan Vivekanandarajah  <kuganv@linaro.org>

        PR middle-end/66726
        * tree-ssa-reassoc.c (optimize_range_tests): Handle tcc_compare stmt
        whose result is used in PHI.
        (maybe_optimize_range_tests): Likewise.
        (final_range_test_p): Likweise.

2016-02-12  Jakub Jelinek  <jakub@redhat.com>

        * cgraph.c: Spelling fixes - behaviour -> behavior and
        neighbour -> neighbor.
        * target.def: Likewise.
        * sel-sched.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/arc/arc.md: Likewise.
        * config/arm/cortex-a57.md: Likewise.
        * config/arm/arm.c: Likewise.
        * config/arm/neon.md: Likewise.
        * config/arm/arm-c.c: Likewise.
        * config/vms/vms-c.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/i386/znver1.md: Likewise.
        * config/i386/i386.c: Likewise.
        * config/ia64/hpux-unix2003.h: Likewise.
        * config/msp430/msp430.md: Likewise.
        * config/rx/rx.c: Likewise.
        * config/rx/rx.md: Likewise.
        * config/aarch64/aarch64-simd.md: Likewise.
        * config/aarch64/aarch64.c: Likewise.
        * config/nvptx/nvptx.c: Likewise.
        * config/bfin/bfin.c: Likewise.
        * config/cris/cris.opt: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * target.h: Likewise.
        * spellcheck.c: Likewise.
        * ira-build.c: Likewise.
        * tree-inline.c: Likewise.
        * builtins.c: Likewise.
        * lra-constraints.c: Likewise.
        * explow.c: Likewise.
        * hwint.h: Likewise.
        * targhooks.c: Likewise.
        * tree-vect-data-refs.c: Likewise.
        * expr.c: Likewise.
        * doc/tm.texi: Likewise.
        * doc/extend.texi: Likewise.
        * doc/install.texi: Likewise.
        * doc/md.texi: Likewise.
        * tree-ssa-tail-merge.c: Likewise.
        * sched-int.h: Likewise.
        * match.pd: Likewise.
        * sched-ebb.c: Likewise.
        * target.def (omit_struct_return_reg): Likewise.
        * gimple-ssa-isolate-paths.c: Likewise.
        (find_implicit_erroneous_behaviour): Renamed to...
        (find_implicit_erroneous_behavior): ... this.
        (find_explicit_erroneous_behaviour): Renamed to...
        (find_explicit_erroneous_behavior): ... this.
        (gimple_ssa_isolate_erroneous_paths): Adjust caller.

2016-02-11  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/64682
        PR rtl-optimization/69567
        PR rtl-optimization/69737
        * combine.c (distribute_notes) <REG_DEAD>: If the register is set
        in I2 as well, just lose it.

2016-02-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_last_printed_arch_string):
        New variable.
        (aarch64_last_printed_tune_string): Likewise.
        (aarch64_declare_function_name): Only output .arch assembler
        directive if it will be different from the previously output
        directive.  Same for .tune comment but only if -dA is set.
        (aarch64_start_file): New function.
        (TARGET_ASM_FILE_START): Define.

2016-02-11  David Malcolm  <dmalcolm@redhat.com>

        PR plugins/69758
        * Makefile.in (PLUGIN_HEADERS): Add params.list.

2016-02-11  Jakub Jelinek  <jakub@redhat.com>

        PR target/65313
        * tree-vect-slp.c (vect_schedule_slp_instance): Avoid
        -Wmaybe-uninitialized warning.

2016-02-11  Oleg Endo  <olegendo@gcc.gnu.org>

        PR target/69713
        * config/sh/sh.md (casesi_worker_0): Add T_REG use.

2016-02-11  Richard Biener  <rguenther@suse.de>

        PR rtl-optimization/69291
        * ifcvt.c (noce_try_store_flag_constants): Do not allow
        subexpressions affected by changing the result.

2016-02-10  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/69148
        * lra-constraints.c (curr_insn_transform): Find in/out operands
        for secondary memory moves.  Update dups.

2016-02-10  Yuri Rumyantsev  <ysrumyan@gmail.com>

        PR tree-optimization/69652
        * tree-vect-loop.c (optimize_mask_stores): Move declaration of STMT1
        to nested loop, did source re-formatting, skip debug statements,
        add check on statement with volatile operand, remove dead scalar
        statements.

2016-02-10  Jakub Jelinek  <jakub@redhat.com>
            Patrick Palka  <ppalka@gcc.gnu.org>

        PR ipa/69241
        PR c++/69649
        * gimplify.c (gimplify_modify_expr): Set lhs even for noreturn
        calls if the return type is TREE_ADDRESSABLE.
        * cgraphunit.c (cgraph_node::expand_thunk): Likewise.
        * ipa-split.c (split_function): Fix doubled "we" in comment.
        Use void return type for the split part even if
        !split_point->split_part_set_retval.

2016-02-10  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/68021
        * tree-ssa-loop-ivopts.c (get_computation_aff): Set ratio to 1 if
        when computing the value of biv cand by itself.

2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (cortexa53_tunings): Enable AES fusion.
        (cortexa57_tunings): Likewise.
        (cortexa72_tunings): Likewise.
        (arch_macro_fusion_pair_p): Add support for AES fusion.
        * config/aarch64/aarch64-fusion-pairs.def: Add AES_AESMC entry.
        * config/arm/aarch-common.c (aarch_crypto_can_dual_issue):
        Allow virtual registers before reload so early scheduling works.
        * config/arm/cortex-a57.md (cortex_a57_crypto_simple): Use
        correct latency and pipeline.
        (cortex_a57_crypto_complex): Likewise.
        (cortex_a57_crypto_xor): Likewise.
        (define_bypass): Add AES bypass.

2016-02-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69726
        * passes.def: Add DCE pass before late uninit.
        * match.pd: Add A ? B : (!A ? C : X) -> A ? B : C patterns to
        really fixup if-conversions job.

2016-02-10  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/arm/arm.c (arm_cortex_a53_tune): Enable AES fusion.
        (arm_cortex_a57_tune): Likewise.
        (aarch_macro_fusion_pair_p): Add support for AES fusion.
        * config/arm/arm-protos.h (fuse_ops): Add FUSE_AES_AESMC.

2016-02-10  Eric Botcazou  <ebotcazou@adacore.com>

        * timevar.def (TV_PHASE_DBGINFO): Delete.
        (TV_PHASE_CHECK_DBGINFO): Likewise.
        * varpool.c (varpool_node::assemble_decl): Do not change timevar.

2016-02-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69719
        * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
        Adjust previous fix by ensuring that dr_a1 is left of dr_a2.

2016-02-09  Andrew Pinski  <apinski@cavium.com>

        PR tree-opt/69282
        * optabs-tree.c (expand_vec_cond_expr_p): Don't early return if
        get_vcond_mask_icode returns false.

2016-02-09  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/68404
        * config/rs6000/predicates.md (fusion_gpr_addis): Prevent fusing
        an ADDIS that adds a pointer to a large constant that sets the
        upper16 bits with a load operation.

2016-02-09  Charles Baylis  <charles.baylis@linaro.org>

        PR target/68532
        * config/arm/arm.c (arm_evpc_neon_vzip): Allow for big endian lane
        order.
        * config/arm/arm_neon.h (vzipq_s8): Adjust shuffle patterns for big
        endian.
        (vzipq_s16): Likewise.
        (vzipq_s32): Likewise.
        (vzipq_f32): Likewise.
        (vzipq_u8): Likewise.
        (vzipq_u16): Likewise.
        (vzipq_u32): Likewise.
        (vzipq_p8): Likewise.
        (vzipq_p16): Likewise.

2016-02-09  Charles Baylis  <charles.baylis@linaro.org>

        PR target/68532
        * config/arm/arm.c (neon_endian_lane_map): New function.
        (neon_vector_pair_endian_lane_map): New function.
        (arm_evpc_neon_vuzp): Allow for big endian lane order.
        * config/arm/arm_neon.h (vuzpq_s8): Adjust shuffle patterns for big
        endian.
        (vuzpq_s16): Likewise.
        (vuzpq_s32): Likewise.
        (vuzpq_f32): Likewise.
        (vuzpq_u8): Likewise.
        (vuzpq_u16): Likewise.
        (vuzpq_u32): Likewise.
        (vuzpq_p8): Likewise.
        (vuzpq_p16): Likewise.

2016-02-11  Alexandre Oliva  <aoliva@redhat.com>

        PR target/69634
        * regstat.c (regstat_bb_compute_calls_crossed): Disregard
        debug insns.

2016-02-09  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (insv<mode>_1): Use gen_int_mode to
        truncate const_int operand 1 to QImode.

2016-02-09  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple-ssa-backprop.c (optimize_phi): Do not replace an argument
        corresponding to an abnormal edge.

2016-02-09  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69599
        * tree-ssa-structalias.c (fndecl_maybe_in_other_partition): New
        function.
        (find_func_aliases_for_builtin_call, find_func_clobbers)
        (ipa_pta_execute):  Handle case that foo and foo._0 are not in same lto
        partition.

2016-02-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69715
        * tree-ssa.c (execute_update_addresses_taken): Mark non-decl
        LHS on calls as non-rewritable.

2016-02-09  Tom de Vries  <tom@codesourcery.com>

        PR lto/69707
        * lto-wrapper.c (append_diag_options): New function.
        (compile_offload_image): Call append_diag_options.

2016-02-08  Sandra Loosemore  <sandra@codesourcery.com>

        PR other/69722
        * doc/extend.texi (Flag Output Operands): Correct sectioning.
        Minor copy-edit to fix verb tenses.

2016-02-08  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69209
        * ipa-split.c (split_function): If split part is not
        returning retval, retval has gimple type but is not
        gimple value, force it into a SSA_NAME first.

2016-02-08  Nicklas Bo Jensen  <nbjensen@gmail.com>

        * doc/tree-ssa.texi (Preserving the virtual SSA form): Remove
        outdated section.

2016-02-08  Jason Merrill  <jason@redhat.com>

        PR c++/69631
        * convert.c (convert_to_integer_1): Check dofold on truncation
        distribution.
        (convert_to_pointer_maybe_fold, convert_to_real_maybe_fold)
        (convert_to_integer_maybe_fold, convert_to_complex_maybe_fold):
        Rename from *_nofold.
        * convert.h (convert_to_pointer_nofold, convert_to_integer_nofold)
        (convert_to_real_nofold, convert_to_complex_nofold): New inlines.

2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>

        PR target/60410
        * tree.c (build_common_tree_nodes): Remove short_double argument.
        All callers changed.
        * tree.h (build_common_tree_nodes): Adjust declaration.
        * doc/invoke.texi (-fshort-double): Remove documentation.
        * config/mips/t-img-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
        MULTILIB_EXCEPTIONS): Remove -fshort-double variant.
        * lto-wrapper.c (merge_and_complain, append_compiler_options)
        (append_linker_options): Don't handle OPT_fshort_double.

        PR rtl-optimization/68730
        * lra-remat.c (insn_to_cand_activation): New static variable.
        (lra_remat): Allocate and free it.
        (create_cand): New arg activation. Initialize a field in
        insn_to_cand_activation if it is nonnull.
        (create_cands): Pass the activation insn to create_cand when making
        a candidate involving an output reload.  Reorganize code a little.
        (do_remat): Keep track of active status of candidates in a separate
        bitmap.

2016-02-08  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69719
        * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
        Properly use absolute of the difference of the two offsets to
        compare or adjust the segment length.

2016-02-08  Richard Biener  <rguenther@suse.de>
            Jeff Law  <law@redhat.com>

        PR target/68273
        * tree-ssanames.c (make_ssa_name_fn): Always use unqualified
        types for anonymous SSA names.

2016-02-08   Richard Biener  <rguenther@suse.de>

        PR rtl-optimization/69274
        * ira.c (ira_setup_alts): Do not change recog_data.operand order.

2016-02-08  Jeff Law  <law@redhat.com>

        PR tree-optimization/65917
        * tree-ssa-dom.c (record_temporary_equivalences): Record both
        equivalences from if (x == y) style conditionals.
        (loop_depth_of_name): Remove.
        (record_equality): Remove loop depth check.
        * tree-ssa-scopedtables.h (const_and_copies): Refine comments.
        (const_and_copies::record_const_or_copy_raw): New member function.
        * tree-ssa-scopedtables.c
        (const_and_copies::record_const_or_copy_raw): New, factored out of
        (const_and_copies::record_const_or_copy): Call new member function.

2016-02-05  Jeff Law  <law@redhat.com>

        PR tree-optimization/68541
        * gimple-ssa-split-paths.c: Include tree-cfg.h and params.h.
        (count_stmts_in_block): New function.
        (poor_ifcvt_candidate_code): Likewise.
        (is_feasible_trace): Add some heuristics to determine when path
        splitting is profitable.
        (find_block_to_duplicate_for_splitting_paths): Make sure the graph
        is a diamond with a single exit.

2016-02-05  Martin Sebor  <msebor@redhat.com>

        PR c++/69662
        * doc/invoke.texi: Update -Wplacement-new to take an optional
        argument.

2016-02-06  Richard Henderson  <rth@redhat.com>

        PR c/69643
        * tree.c (tree_nop_conversion_p): Do not strip casts into or
        out of non-standard address spaces.

2016-02-05  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/69691
        * lra-eliminations.c (move_plus_up): Don't add the addend twice.

2016-02-05  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/crypto.md (crypto_vpermxor_<mode>): Correct insn type.
        * config/rs6000/rs6000.md (mov<mode>_hardfloat): Likewise.
        (*ieee128_mfvsrd_64bit): Likewise.
        (*ieee128_mfvsrd_32bit): Likewise.

2016-02-05  Ilya Enkovich  <enkovich.gnu@gmail.com>

        PR target/69369
        Revert r232560:
        2016-01-19  Jan Hubicka  <hubicka@ucw.cz>

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

2016-01-05  Jeremy Bennett  <jeremy.bennett@embecosm.com>

        * doc/invoke.texi (Optimize Options): In table of --param options
        rename second occurrence of tracer-min-branch-ratio to
        tracer-min-branch-probability, rename
        tracer-min-branch-ratio-feedback to
        tracer-min-branch-probability-feedback and clarify description,
        rename sched-spec-state-edge-prob-cutoff to
        sched-state-edge-prob-cutoff, rename selsched-max-insns-to-rename
        to selsched-insns-to-rename, rename lto-minpartition to
        lto-min-partition, delete reorder-blocks-duplicate and
        reorder-blocks-duplicate-feedback.

2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_register_info_set_ranges): Remove
        superfluous loops.

2016-02-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * doc/extend.texi: S/390: Correct some typos.

2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_emit_call): Add missing 64 bit check.

2016-02-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        PR target/69625
        * config/s390/s390.c (SAVE_SLOT_NONE, SAVE_SLOT_STACK): New defines.
        (s390_register_info_gprtofpr): Use new macros above.
        (s390_register_info_stdarg_fpr): Adjust max_fpr to better match
        its name.
        (s390_register_info_stdarg_gpr): Adjust max_gpr to better match
        its name.  Adjust restore and save gpr ranges.
        (s390_register_info_set_ranges): New function.
        (s390_register_info): Use new macros above.  Call
        s390_register_info_set_ranges.
        (s390_optimize_register_info): Likewise.
        (s390_hard_regno_rename_ok): Use new macros.
        (s390_hard_regno_scratch_ok): Likewise.
        (s390_emit_epilogue): Likewise.
        (s390_can_use_return_insn): Likewise.
        (s390_optimize_prologue): Likewise.
        * config/s390/s390.md (GPR2_REGNUM, GPR6_REGNUM): New constants.

2016-02-05  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/69677
        * config/i386/i386.c (convert_scalars_to_vector): Readd stack
        alignment fixes.
        (ix86_option_override_internal): Disable TARGET_STV even for
        -m{incoming,preferred}-stack-boundary=3.

2016-02-03  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * config.gcc: Mark deprecated rtems targets as obsolete.

2016-02-04  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/64682
        PR rtl-optimization/69567
        * combine.c (distribute_notes) <REG_DEAD>: Place the death note
        before I2 only if the register is both used and set in I2.

2016-02-04  DJ Delorie  <dj@redhat.com>

        * config/msp430/msp430.c (msp430_start_function): Add function type.

2016-02-04  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/69368
        * tree-dfa.c (get_ref_base_and_extent): Remove unreachable code.

2016-02-04  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/69577
        Revert:
        2015-10-29  Richard Henderson  <rth@redhat.com>

        PR target/68124
        PR rtl-opt/67609
        * config/i386/i386.c (ix86_cannot_change_mode_class): Tighten
        sse check to the exact conditions of PR 67609.

2016-02-04  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/69667
        * config/rs6000/rs6000.md (mov<mode>_64bit_dm): Use 'd' constraint
        instead of 'ws', and 'wh' instead of 'wm' since TFmode/IFmode are
        not allowed into the traditional Altivec registers.
        (movtd_64bit_nodm): Likewise.
        (mov<mode>_32bit, FMOVE128_FPR iterator): Likewise.

2016-02-04  David Malcolm  <dmalcolm@redhat.com>

        * config/aarch64/cortex-a57-fma-steering.c
        (aarch64_register_fma_steering): Remove "static" from arguments
        to register_pass.

2016-02-04  Wilco Dijkstra  <wdijkstr@arm.com>

        PR target/69619
        * ccmp.c (expand_ccmp_expr_1): Avoid evaluating gs0/gs1
        twice when complex.

2016-02-04  Mike Frysinger  <vapier@gentoo.org>

        * doc/invoke.texi: Delete -mno-fma4.

2016-02-04  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/69577
        * reginfo.c (record_subregs_of_mode): Add a partial_def parameter.
        (find_subregs_of_mode): Update accordingly.  Iterate over partial
        definitions.

2016-02-04  Alan Lawrence  <alan.lawrence@arm.com>

        * config/arm/arm-protos.h (neon_reinterpret): Remove.
        * config/arm/arm.c (neon_reinterpret): Remove.
        * config/arm/arm_neon_builtins.def (vreinterpretv8qi, vreinterpretv4hi,
        vreinterpretv2si, vreinterpretv2sf, vreinterpretdi, vreinterpretv16qi,
        vreinterpretv8hi, vreinterpretv4si, vreinterpretv4sf, vreinterpretv2di,
        vreinterpretti): Remove.
        * config/arm/neon.md (neon_vreinterpretv8qi<mode>,
        neon_vreinterpretv4hi<mode>, neon_vreinterpretv2si<mode>,
        neon_vreinterpretv2sf<mode>, neon_vreinterpretdi<mode>,
        neon_vreinterpretti<mode>, neon_vreinterpretv16qi<mode>,
        neon_vreinterpretv8hi<mode>, neon_vreinterpretv4si<mode>,
        neon_vreinterpretv4sf<mode>, neon_vreinterpretv2di<mode>): Remove.
        * config/arm/arm_neon.h (vreinterpret_p8_p16, vreinterpret_p8_f32,
        vreinterpret_p8_p64, vreinterpret_p8_s64, vreinterpret_p8_u64,
        vreinterpret_p8_s8, vreinterpret_p8_s16, vreinterpret_p8_s32,
        vreinterpret_p8_u8, vreinterpret_p8_u16, vreinterpret_p8_u32,
        vreinterpret_p16_p8, vreinterpret_p16_f32, vreinterpret_p16_p64,
        vreinterpret_p16_s64, vreinterpret_p16_u64, vreinterpret_p16_s8,
        vreinterpret_p16_s16, vreinterpret_p16_s32, vreinterpret_p16_u8,
        vreinterpret_p16_u16, vreinterpret_p16_u32, vreinterpret_f32_p8,
        vreinterpret_f32_p16, vreinterpret_f32_p64, vreinterpret_f32_s64,
        vreinterpret_f32_u64, vreinterpret_f32_s8, vreinterpret_f32_s16,
        vreinterpret_f32_s32, vreinterpret_f32_u8, vreinterpret_f32_u16,
        vreinterpret_f32_u32, vreinterpret_p64_p8, vreinterpret_p64_p16,
        vreinterpret_p64_f32, vreinterpret_p64_s64, vreinterpret_p64_u64,
        vreinterpret_p64_s8, vreinterpret_p64_s16, vreinterpret_p64_s32,
        vreinterpret_p64_u8, vreinterpret_p64_u16, vreinterpret_p64_u32,
        vreinterpret_s64_p8, vreinterpret_s64_p16, vreinterpret_s64_f32,
        vreinterpret_s64_p64, vreinterpret_s64_u64, vreinterpret_s64_s8,
        vreinterpret_s64_s16, vreinterpret_s64_s32, vreinterpret_s64_u8,
        vreinterpret_s64_u16, vreinterpret_s64_u32, vreinterpret_u64_p8,
        vreinterpret_u64_p16, vreinterpret_u64_f32, vreinterpret_u64_p64,
        vreinterpret_u64_s64, vreinterpret_u64_s8, vreinterpret_u64_s16,
        vreinterpret_u64_s32, vreinterpret_u64_u8, vreinterpret_u64_u16,
        vreinterpret_u64_u32, vreinterpret_s8_p8, vreinterpret_s8_p16,
        vreinterpret_s8_f32, vreinterpret_s8_p64, vreinterpret_s8_s64,
        vreinterpret_s8_u64, vreinterpret_s8_s16, vreinterpret_s8_s32,
        vreinterpret_s8_u8, vreinterpret_s8_u16, vreinterpret_s8_u32,
        vreinterpret_s16_p8, vreinterpret_s16_p16, vreinterpret_s16_f32,
        vreinterpret_s16_p64, vreinterpret_s16_s64, vreinterpret_s16_u64,
        vreinterpret_s16_s8, vreinterpret_s16_s32, vreinterpret_s16_u8,
        vreinterpret_s16_u16, vreinterpret_s16_u32, vreinterpret_s32_p8,
        vreinterpret_s32_p16, vreinterpret_s32_f32, vreinterpret_s32_p64,
        vreinterpret_s32_s64, vreinterpret_s32_u64, vreinterpret_s32_s8,
        vreinterpret_s32_s16, vreinterpret_s32_u8, vreinterpret_s32_u16,
        vreinterpret_s32_u32, vreinterpret_u8_p8, vreinterpret_u8_p16,
        vreinterpret_u8_f32, vreinterpret_u8_p64, vreinterpret_u8_s64,
        vreinterpret_u8_u64, vreinterpret_u8_s8, vreinterpret_u8_s16,
        vreinterpret_u8_s32, vreinterpret_u8_u16, vreinterpret_u8_u32,
        vreinterpret_u16_p8, vreinterpret_u16_p16, vreinterpret_u16_f32,
        vreinterpret_u16_p64, vreinterpret_u16_s64, vreinterpret_u16_u64,
        vreinterpret_u16_s8, vreinterpret_u16_s16, vreinterpret_u16_s32,
        vreinterpret_u16_u8, vreinterpret_u16_u32, vreinterpret_u32_p8,
        vreinterpret_u32_p16, vreinterpret_u32_f32, vreinterpret_u32_p64,
        vreinterpret_u32_s64, vreinterpret_u32_u64, vreinterpret_u32_s8,
        vreinterpret_u32_s16, vreinterpret_u32_s32, vreinterpret_u32_u8,
        vreinterpret_u32_u16, vreinterpretq_p8_p16, vreinterpretq_p8_f32,
        vreinterpretq_p8_p64, vreinterpretq_p8_p128, vreinterpretq_p8_s64,
        vreinterpretq_p8_u64, vreinterpretq_p8_s8, vreinterpretq_p8_s16,
        vreinterpretq_p8_s32, vreinterpretq_p8_u8, vreinterpretq_p8_u16,
        vreinterpretq_p8_u32, vreinterpretq_p16_p8, vreinterpretq_p16_f32,
        vreinterpretq_p16_p64, vreinterpretq_p16_p128, vreinterpretq_p16_s64,
        vreinterpretq_p16_u64, vreinterpretq_p16_s8, vreinterpretq_p16_s16,
        vreinterpretq_p16_s32, vreinterpretq_p16_u8, vreinterpretq_p16_u16,
        vreinterpretq_p16_u32, vreinterpretq_f32_p8, vreinterpretq_f32_p16,
        vreinterpretq_f32_p64, vreinterpretq_f32_p128, vreinterpretq_f32_s64,
        vreinterpretq_f32_u64, vreinterpretq_f32_s8, vreinterpretq_f32_s16,
        vreinterpretq_f32_s32, vreinterpretq_f32_u8, vreinterpretq_f32_u16,
        vreinterpretq_f32_u32, vreinterpretq_p64_p8, vreinterpretq_p64_p16,
        vreinterpretq_p64_f32, vreinterpretq_p64_p128, vreinterpretq_p64_s64,
        vreinterpretq_p64_u64, vreinterpretq_p64_s8, vreinterpretq_p64_s16,
        vreinterpretq_p64_s32, vreinterpretq_p64_u8, vreinterpretq_p64_u16,
        vreinterpretq_p64_u32, vreinterpretq_p128_p8, vreinterpretq_p128_p16,
        vreinterpretq_p128_f32, vreinterpretq_p128_p64, vreinterpretq_p128_s64,
        vreinterpretq_p128_u64, vreinterpretq_p128_s8, vreinterpretq_p128_s16,
        vreinterpretq_p128_s32, vreinterpretq_p128_u8, vreinterpretq_p128_u16,
        vreinterpretq_p128_u32, vreinterpretq_s64_p8, vreinterpretq_s64_p16,
        vreinterpretq_s64_f32, vreinterpretq_s64_p64, vreinterpretq_s64_p128,
        vreinterpretq_s64_u64, vreinterpretq_s64_s8, vreinterpretq_s64_s16,
        vreinterpretq_s64_s32, vreinterpretq_s64_u8, vreinterpretq_s64_u16,
        vreinterpretq_s64_u32, vreinterpretq_u64_p8, vreinterpretq_u64_p16,
        vreinterpretq_u64_f32, vreinterpretq_u64_p64, vreinterpretq_u64_p128,
        vreinterpretq_u64_s64, vreinterpretq_u64_s8, vreinterpretq_u64_s16,
        vreinterpretq_u64_s32, vreinterpretq_u64_u8, vreinterpretq_u64_u16,
        vreinterpretq_u64_u32, vreinterpretq_s8_p8, vreinterpretq_s8_p16,
        vreinterpretq_s8_f32, vreinterpretq_s8_p64, vreinterpretq_s8_p128,
        vreinterpretq_s8_s64, vreinterpretq_s8_u64, vreinterpretq_s8_s16,
        vreinterpretq_s8_s32, vreinterpretq_s8_u8, vreinterpretq_s8_u16,
        vreinterpretq_s8_u32, vreinterpretq_s16_p8, vreinterpretq_s16_p16,
        vreinterpretq_s16_f32, vreinterpretq_s16_p64, vreinterpretq_s16_p128,
        vreinterpretq_s16_s64, vreinterpretq_s16_u64, vreinterpretq_s16_s8,
        vreinterpretq_s16_s32, vreinterpretq_s16_u8, vreinterpretq_s16_u16,
        vreinterpretq_s16_u32, vreinterpretq_s32_p8, vreinterpretq_s32_p16,
        vreinterpretq_s32_f16, vreinterpretq_s32_f32, vreinterpretq_s32_p64,
        vreinterpretq_s32_p128, vreinterpretq_s32_s64, vreinterpretq_s32_u64,
        vreinterpretq_s32_s8, vreinterpretq_s32_s16, vreinterpretq_s32_u8,
        vreinterpretq_s32_u16, vreinterpretq_s32_u32, vreinterpretq_u8_p8,
        vreinterpretq_u8_p16, vreinterpretq_u8_f32, vreinterpretq_u8_p64,
        vreinterpretq_u8_p128, vreinterpretq_u8_s64, vreinterpretq_u8_u64,
        vreinterpretq_u8_s8, vreinterpretq_u8_s16, vreinterpretq_u8_s32,
        vreinterpretq_u8_u16, vreinterpretq_u8_u32, vreinterpretq_u16_p8,
        vreinterpretq_u16_p16, vreinterpretq_u16_f32, vreinterpretq_u16_p64,
        vreinterpretq_u16_p128, vreinterpretq_u16_s64, vreinterpretq_u16_u64,
        vreinterpretq_u16_s8, vreinterpretq_u16_s16, vreinterpretq_u16_s32,
        vreinterpretq_u16_u8, vreinterpretq_u16_u32, vreinterpretq_u32_p8,
        vreinterpretq_u32_p16, vreinterpretq_u32_f32, vreinterpretq_u32_p64,
        vreinterpretq_u32_p128, vreinterpretq_u32_s64, vreinterpretq_u32_u64,
        vreinterpretq_u32_s8, vreinterpretq_u32_s16, vreinterpretq_u32_s32,
        vreinterpretq_u32_u8, vreinterpretq_u32_u16): Rewrite using casts.

2016-02-04  Martin Liska  <mliska@suse.cz>

        PR sanitizer/69276
        * asan.c (has_stmt_been_instrumented_p): Instrument gimple calls
        that are gimple_store_p.
        (maybe_instrument_call): Likewise.

2016-02-04  Bin Cheng  <bin.cheng@arm.com>

        * config/aarch64/aarch64.c (aarch64_legitimize_address): Force
        register scaling out of memory reference and comment why.

2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/65932
        PR target/67714
        * cse.c (cse_insn): Pass NULL to fold_rtx when initially
        folding the source of a SET.

2016-02-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/65932
        PR target/67714
        * config/arm/arm.c (arm_new_rtx_costs, MULT case): Properly extract
        the operands of the SIGN_EXTENDs from a SMUL[TB][TB] rtx.

2016-02-04  Jim Wilson  <jim.wilson@linaro.org>

        PR target/65932
        PR target/67714
        * config/arm/arm.h (PROMOTE_MODE): Don't set UNSIGNEDP for QImode and
        HImode.

2016-02-04  Christian Bruel  <christian.bruel@st.com>

        * config/arm/arm-c.c (arm_reset_previous_fndecl): Style fix and typo.
        * config/arm/arm.c (arm_set_current_function): Likewise.

2016-02-04  Jakub Jelinek  <jakub@redhat.com>
            Ilya Enkovich  <enkovich.gnu@gmail.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        PR target/69454
        * config/i386/i386.c (convert_scalars_to_vector): Remove
        stack alignment fixes.
        (ix86_option_override_internal): Disable TARGET_STV if stack
        might not be aligned enough.
        (ix86_minimum_alignment): Assert that TARGET_STV is false.

2016-02-04  Victoria Stepanyan  <victoria.stepanyan@amd.com>

        * gcc/config/i386/x86-tune.def: Disable default prefetching
        for -march=znver1.

2016-02-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
            Vladimir Makarov  <vmakarov@redhat.com>

        PR target/69461
        * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Fix thinko
        in validating fused toc addresses.

2016-02-03  Jakub Jelinek  <jakub@redhat.com>

        PR c/69627
        * diagnostic-show-locus.c (layout::get_state_at_point): Don't read
        range->m_caret fields if range->m_show_caret_p is false.

        PR target/69644
        * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
        Force oldval into register if it does not satisfy reg_or_short_operand
        predicate.  Fix up formatting.

2016-02-03  Vladimir Makarov  <vmakarov@redhat.com>
            Alexandre Oliva  <aoliva@redhat.com>

        PR target/69461
        * lra-constraints.c (simplify_operand_subreg): Check additionally
        address validity after potential reloading.
        (process_address_1): Check insns validity.  In case of failure do
        nothing.

2016-02-03  Kirill Yukhin  <kirill.yukhin@intel.com>

        PR target/69118
        * config/i386/sse.md (define_insn "avx512f_maskcmp<mode>3"):
        Fix target.

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

        * wide-int.cc (canonize_uhwi): New function.
        (wi::divmod_internal): Use it.

2016-02-02  James Norris  <jnorris@codesourcery.com

        * gimplify.c (omp_notice_variable): Add usage check.

2016-02-02  Alexander Monakov  <amonakov@ispras.ru>

        * config/nvptx/nvptx.c (nvptx_print_operand): Treat LEU, GEU, LTU, GTU
        like LE, GE, LT, GT when emitting relational operator.

2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>

        * ira-costs.c (find_costs_and_classes): Add extra argument.
        * target.def (ira_change_pseudo_allocno_class): Add parameter.
        * targhooks.h (ira_change_pseudo_allocno_class): Likewise.
        * targhooks.c (ira_change_pseudo_allocno_class): Likewise.
        * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class)
        Add best_class parameter, and return it if not ALL_REGS.
        * config/mips/mips.c (mips_ira_change_pseudo_allocno_class):
        Add parameter.
        * doc/tm.texi (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS):
        Update target hook.

2016-02-02  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c
        (TARGET_IRA_CHANGE_PSEUDO_ALLOCNO_CLASS): New define.
        (aarch64_ira_change_pseudo_allocno_class): New function.

2016-02-02  Uros Bizjak  <ubizjak@gmail.com>

        PR target/67032
        * config/i386/i386.c (geode_cost): Increase cost of MMX and SSE moves.

2016-02-02  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

        * config/avr/avr.c (avr_option_override): Set
        PARAM_ALLOW_STORE_DATA_RACES to 1.

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

        PR tree-optimization/69595
        * match.pd: Add range test simplifications to true/false.

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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