re PR tree-optimization/80032 (C++ excessive stack usage (no stack reuse))

[gcc.git] / gcc / ChangeLog

2017-03-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80032
        * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
        if set force the cleanup to happen unconditionally.
        (gimplify_target_expr): Push inserted clobbers with force_uncond
        to avoid them being removed by control-dependent DCE.

2017-03-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80122
        * tree-inline.c (copy_bb): Do not expans va-arg packs or
        va_arg_pack_len when the inlined call stmt requires pack
        expansion itself.
        * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.

2017-03-21  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/78158
        * tsan.c (instrument_builtin_call): If the memory model argument
        is not a constant, assume it is valid.

        PR c/67338
        * fold-const.c (round_up_loc): Negate divisor in unsigned type to
        avoid UB.

2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/79910
        * combine.c (can_combine_p): Do not allow combining an I0 or I1
        if its dest is used by an insn before I2 (other than the combined
        insns themselves, which are properly handled already).

2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>

        Revert:
        2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>

        * combine.c (record_used_regs): New static function.
        (try_combine): Handle situations where there is an additional
        instruction between I2 and I3 which needs to have a LOG_LINK
        updated.

        Revert:
        2017-03-17  Jim Wilson  <jim.wilson@linaro.org>

        * combine.c (try_combine): Delete redundant i1 test.  Call
        prev_nonnote_nondebug_insn instead of prev_nonnote_insn.

2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

        PR target/80083
        * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
        alternatives 13/14.

2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/80054
        * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
        the optimization if a PHI or any of its arguments is not dominated
        by the candidate's basis.  Use gphi* rather than gimple* as
        appropriate.
        (replace_profitable_candidates): Clean up a gimple* variable that
        should be a gphi* variable.

2017-03-20  Martin Sebor  <msebor@redhat.com>

        PR c++/52477
        * doc/extend.texi (attribute constructor): Document present limitation.

2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        PR target/79963
        * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
        __POWER9_VECTOR__ #ifdef control, change template definition to
        use Power9-specific built-in function.
        (vec_any_eq): Likewise.
        * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
        to control outcomes from this test.
        (vector_ae_<mode>p): For VEC_F modes, likewise.

2017-03-20  Ian Lance Taylor  <iant@google.com>

        * config/i386/i386.c (ix86_function_regparm): Save an extra
        register for -fsplit-stack with DECL_STATIC_CHAIN.

2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>

        PR target/79912
        * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
        (TARGET_PREFERRED_RELOAD_CLASS): Likewise.

2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>

        * config/riscv/riscv.c (riscv_print_operand): Use "fence
        iorw,ow".
        * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
        iorw,iorw".

2017-03-20  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/80063
        * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).

2017-03-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80113
        * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
        allocate extra SSA name for PHI def.
        (add_close_phis_to_outer_loops): Likewise.
        (add_close_phis_to_merge_points): Likewise.
        (copy_loop_close_phi_args): Likewise.
        (copy_cond_phi_nodes): Likewise.

2017-03-20  Martin Liska  <mliska@suse.cz>

        PR middle-end/79753
        * tree-chkp.c (chkp_build_returned_bound): Do not build
        returned bounds for a LHS that's not a BOUNDED_P type.

2017-03-20  Martin Liska  <mliska@suse.cz>

        PR target/79769
        PR target/79770
        * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
        COMPLEX_CST and VECTOR_CST.

2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        PR target/78857
        * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
        target operand.  A new splitter adds the clobber statement in case
        the target operand is dead anyway.

2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer 
        to age-old versions of binutils and glibc.

2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>

        * doc/contrib.texi (Contributors): Remove duplicate entry for myself.

2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi (Contributors): Add Segher Boessenkool.

2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
        
        * doc/install.texi (Specific) <arm-*-eabi>: Remove old
        requirement for binutils 2.13.

2017-03-17  Jim Wilson  <jim.wilson@linaro.org>

        * combine.c (try_combine): Delete redundant i1 test.  Call
        prev_nonnote_nondebug_insn instead of prev_nonnote_insn.

2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com

        * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
        riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
        contents.
        <riscv64-*-elf>: Re-arrange section
        <riscv32-*-elf>: Add a note about requiring binutils 2.28.
        <riscv32-*-linux>: Likewise.
        <riscv64-*-elf>: Likewise
        <riscv64-*-linux>: Likewise.

2017-03-17  Richard Earnshaw  <rearnsha@arm.com>

        PR target/80052
        * aarch64.opt(verbose-cost-dump): Fix typo.

2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>

        PR target/79951
        * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
        for VECTOR_UNIT_VSX_P (<MODE>mode) too.

2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>

        * reload.c (find_reloads): When reloading a nonoffsettable address,
        use RELOAD_OTHER for it and its address reloads.

        PR rtl-optimization/79910
        * combine.c (record_used_regs): New static function.
        (try_combine): Handle situations where there is an additional
        instruction between I2 and I3 which needs to have a LOG_LINK
        updated.

2017-03-17  Jeff Law  <law@redhat.com>

        PR tree-optimization/71437
        * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
        conditional in the hash table first.
        (vrp_dom_walker::before_dom_children): Extract condition from
        ASSERT_EXPR.  Record condition, its inverion and any implied
        conditions as well.

2017-03-17  Marek Polacek  <polacek@redhat.com>
            Markus Trippelsdorf  <markus@trippelsdorf.de>

        PR tree-optimization/80079
        * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
        m_stores_head.

2017-03-17  Richard Biener  <rguenther@suse.de>

        PR middle-end/80075
        * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
        Properly verify the LHS before the RHS possibly claims to be
        handled.
        (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
        do not throw.

2017-03-17  Martin Jambor  <mjambor@suse.cz>

        * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
        (List of -O2 options): Likewise.
        (-fipa-bit-cp): Replace "ipa" with "interprocedural."
        (-fipa-vrp) New.

2017-03-17  Tom de Vries  <tom@codesourcery.com>

        * gcov-dump.c (print_usage): Print bug_report_url.

2017-03-17  Richard Biener  <rguenther@suse.de>

        PR middle-end/80050
        * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
        (parser::peek): Likewise.

2017-03-17  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80048
        * sese.c (free_sese_info): Properly release rename_map and
        copied_bb_map elements.

2017-03-16  Alexandre Oliva <aoliva@redhat.com>

        * gimple-ssa-store-merging.c (struct imm_store_chain_info):
        Add linked-list forward and backlinks.  Insert on
        construction, remove on destruction.
        (class pass_store_merging): Add m_stores_head field.
        (pass_store_merging::terminate_and_process_all_chains):
        Iterate over m_stores_head list.
        (pass_store_merging::terminate_all_aliasing_chains):
        Likewise.
        (pass_store_merging::execute): Check for debug stmts first.
        Push new chains onto the m_stores_head stack.

2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/71294
        * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
        SPLAT operation on ISA 2.07 64-bit systems that have direct move,
        but no MTVSRDD support, by doing MTVSRD and XXPERMDI.

2017-03-16  Jeff Law  <law@redhat.com>

        PR tree-optimization/71437
        * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
        member function.  Implementation moved into after_dom_children
        member function and into the threader's thread_outgoing_edges
        function.
        (dom_opt_dom_walker::after_dom_children): Simplify by moving
        some code into new thread_outgoing_edges.
        * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
        definition.  Simplify marker handling (do it here).   Assume we always
        have the available expression and the const/copies tables.
        (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
        and tree-vrp.c
        * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
        * tree-vrp.c (equiv_stack): No longer file scoped.
        (vrp_dom_walker): New class.
        (vrp_dom_walker::before_dom_children): New member function.
        (vrp_dom_walker::after_dom_children): Likewise.
        (identify_jump_threads):  Setup domwalker.  Use it rather than
        walking edges in a random order by hand.  Simplify setup/finalization.
        (finalize_jump_threads): Remove.
        (vrp_finalize): Do not call identify_jump_threads here.
        (execute_vrp): Do it here instead and call thread_through_all_blocks
        here too.

        PR tree-optimization/71437
        * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
        callers changed.
        (simplify_stmt_for_jump_threading): Add basic_block argument.  All
        callers changed.
        (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
        (dom_opt_dom_walker::thread_across_edge): Remove
        handle_dominating_asserts argument.  All callers changed.
        (record_temporary_equivalences_from_stmts_at_dest): Corresponding
        changes.  Remove calls to lhs_of_dominating_assert.  Other
        uses of handle_dominating_asserts turn into unconditional code
        (simplify_control_stmt_condition_1): Likewise.
        (simplify_control_stmt_condition): Likewise.
        (thread_through_normal_block, thread_across_edge): Likewise.
        * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
        * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
        object if it is not an SSA_NAME.
        (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
        before calling into the VRP specific simplifiers.
        (identify_jump_threads): Remove handle_dominating_asserts
        argument.

2017-03-16  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/79886
        * tree-diagnostic.c (default_tree_printer): No longer static.
        * tree-diagnostic.h (default_tree_printer): New prototype.

2017-03-16  Tamar Christina  <tamar.christina@arm.com>

        * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
        Change ins into fmov.

2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
        * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
        Use h_con constraint for operand 1.
        (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
        (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.

2017-03-15  Jeff Law  <law@redhat.com>

        PR tree-optimization/71437
        * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
        (record_temporary_equivalences): Use it.

        PR tree-optimization/71437
        * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
        tree-ssa-scopedtables.
        (lookup_avail_expr, build_and_record_new_cond): Likewise.
        (record_conditions, record_cond, vuse_eq): Likewise.
        (record_edge_info): Adjust to API tweak of record_conditions.
        (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
        (record_temporary_equivalences, optimize_stmt): Likewise.
        (eliminate_redundant_computations): Likewise.
        (record_equivalences_from_stmt): Likewise.
        * tree-ssa-scopedtables.c: Include options.h and params.h.
        (vuse_eq): New function, moved from tree-ssa-dom.c
        (build_and_record_new_cond): Likewise.
        (record_conditions): Likewise.  Accept vector of conditions rather
        than edge_equivalence structure for first argument.
        for the first argument.
        (avail_exprs_stack::lookup_avail_expr): New member function, moved
        from tree-ssa-dom.c.
        (avail_exprs_stack::record_cond): Likewise.
        * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
        from tree-ssa-dom.c.
        (avail_exprs_stack): Add new member functions lookup_avail_expr
        and record_cond.
        (record_conditions): Declare.

2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/80017
        * lra-constraints.c (process_alt_operands): Increase reject for
        reloading an input/output operand.

2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/79038
        * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
        insns to convert from signed/unsigned char/short to IEEE 128-bit
        floating point.
        (floatuns<QHI:mode><IEEE128:mode>2): Likewise.

2017-03-15  Uros Bizjak  <ubizjak@gmail.com>

        PR target/80019
        * config/i386/i386.c (ix86_vector_duplicate_value): Create
        subreg of inner mode for values already in registers.

2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>

        * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
        iteration reg is used after the loop.

2017-03-14  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/79800
        * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
        precision in negative-positive range.
        (format_floating): Call non-const overload with adjusted precision.

2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/79947
        * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
        -mpowerpc-gfxopt.

2017-03-14  Martin Sebor  <msebor@redhat.com>

        PR middle-end/80020
        * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
        * builtins.def (aligned_alloc): Use it.

        PR c/79936
        * Makefile.in (GTFILES): Add calls.c.
        * calls.c: Include "gt-calls.h".

2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>

        PR rtl-optimization/79728
        * regs.h (struct target_regs): New field
        x_contains_allocatable_regs_of_mode.
        (contains_allocatable_regs_of_mode): New macro.
        * reginfo.c (init_reg_sets_1): Initialize it, and change
        contains_reg_of_mode so it includes global regs as well.
        * reload.c (push_reload): Use contains_allocatable_regs_of_mode
        rather than contains_regs_of_mode.

2017-03-14  Martin Liska  <mliska@suse.cz>

        * doc/invoke.texi: Document options that can't be combined with
        -fcheck-pointer-bounds.

2017-03-14  Martin Liska  <mliska@suse.cz>

        PR middle-end/79831
        * doc/invoke.texi (-Wchkp): Document the option.

2017-03-14  Martin Liska  <mliska@suse.cz>

        * Makefile.in: Install gcov-dump.

2017-03-14  Martin Liska  <mliska@suse.cz>

        * multiple_target.c (expand_target_clones): Bail out for
        an invalid attribute.

2017-03-14  Richard Biener  <rguenther@suse.de>

        * alias.c (struct alias_set_entry): Pack properly.
        * cfgloop.h (struct loop): Likewise.
        * cse.c (struct set): Likewise.
        * ipa-utils.c (struct searchc_env): Likewise.
        * loop-invariant.c (struct invariant): Likewise.
        * lra-remat.c (struct cand): Likewise.
        * recog.c (struct change_t): Likewise.
        * rtl.h (struct address_info): Likewise.
        * symbol-summary.h (function_summary): Likewise.
        * tree-loop-distribution.c (struct partition): Likewise.
        * tree-object-size.c (struct object_size_info): Likewise.
        * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
        * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
        * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
        * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
        * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
        * tree-vectorizer.h (struct _loop_vec_info): Likewise.
        (struct _stmt_vec_info): Likewise.

2017-03-14  Martin Liska  <mliska@suse.cz>

        PR target/79892
        * multiple_target.c (create_dispatcher_calls): Check that
        a target can create a function dispatcher.

2017-03-14  Martin Liska  <mliska@suse.cz>

        PR lto/66295
        * multiple_target.c (expand_target_clones): Drop local.local
        flag for default implementation.

2017-03-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80030
        * tree-vect-stmts.c (vectorizable_store): Plug memleak.

2017-03-13  Kito Cheng  <kito.cheng@gmail.com>

        * config/riscv/riscv.c (riscv_emit_float_compare>: Use
        gcc_fallthrough() instead of __attribute__((fallthrough));

2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/gcc.texi: Remove "up" link to (DIR).
        * doc/gccint.texi: Ditto.

2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
        
        * doc/install.texi (Specific) <avr>: Remove reference to
        binutils 2.13.

2017-03-13  Jeff Law  <law@redhat.com>

        * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
        attribute rather than comments.

        * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
        match_scratch operand is highest.

2017-03-13  Martin Liska  <mliska@suse.cz>

        PR middle-end/78339
        * ipa-pure-const.c (warn_function_noreturn): If the declarations
        is a CHKP clone, use original declaration.

2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
        (arc_conditional_register_usage): Use a different allocation order
        when optimizing for size.
        * common/config/arc/arc-common.c (arc_option_optimization_table):
        Section anchors default on when optimizing for size.

2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.

2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_output_addsi): Emit code density adds.
        * config/arc/arc.md (cpu_facility): Add cd variant.
        (*movqi_insn): Add code density variant.
        (*movhi_insn): Likewise.
        (*movqi_insn): Likewise.
        (*addsi3_mixed): Likewise.
        (subsi3_insn): Likewise.

2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.md (movsi_cond_exec): Update constraint.

2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
        expressions with MINUS and UNARY ops.

2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/79911
        * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
        Rename to...
        (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
        between vec_select and vector argument.
        (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
        (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
        (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
        (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
        (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
        (vec_sel_widen_usum_hi<mode><V_half>3): ... This.

2017-03-13  Richard Biener  <rguenther@suse.de>

        PR other/79991
        * params.def (vect-max-peeling-for-alignment): Fix typo.

2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Specific) <mips-*-*>: Remove description of
        issue that only occurred with binutils below 2.18.
        
2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Specific) <cris-axis-elf>: No longer
        refer to binutils 2.11/2.12 minimum.

2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
        ftp.kernel.org and simplify binutils requirement.

2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi (Warning Options): Fix spelling of link-time
        optimization.
        (Optimize Options): Ditto.  Also remove redundancy.

2017-03-10  David Malcolm  <dmalcolm@redhat.com>

        PR translation/79848
        * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
        "%qs".
        * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
        to G_ to avoid double translation.

2017-03-10  David Malcolm  <dmalcolm@redhat.com>

        PR translation/79923
        * auto-profile.c (get_combined_location): Convert leading
        character of diagnostics to lower case and remove trailing period.
        (read_profile): Likewise for various diagnostics.
        * config/arm/arm.c (arm_option_override): Remove trailing period
        from various diagnostics.
        * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
        (msp430_expand_delay_cycles): Likewise.

2017-03-10  David Malcolm  <dmalcolm@redhat.com>

        PR target/79925
        * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
        full command-line argument, rather than just "str".
        (aarch64_validate_march): Likewise.
        (aarch64_validate_mtune): Likewise.

2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>

        PR rtl-optimization/78911
        * lra-assigns.c (must_not_spill_p): New function.
        (spill_for): Use it.

2017-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/79981
        * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
        ATOMIC_COMPARE_EXCHANGE ifn result.
        (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
        IFN_ATOMIC_COMPARE_EXCHANGE.

2017-03-10  David Malcolm  <dmalcolm@redhat.com>

        PR driver/79875
        * opts.c (parse_sanitizer_options): Add missing question mark to
        "did you mean" message.

2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
        built-in.
        (VMULEUH_UNS): Likewise.
        (VMULOUB_UNS): Likewise.
        (VMULOUH_UNS): Likewise.
        * config/rs6000/rs6000.c (builtin_function_type): Remove
        references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.

2017-03-10  David Malcolm  <dmalcolm@redhat.com>

        PR bootstrap/79952
        * read-rtl-function.c (function_reader::read_rtx_operand): Update
        x with result of extra_parsing_for_operand_code_0.
        (function_reader::extra_parsing_for_operand_code_0): Convert
        return type from void to rtx, returning x.  When reading
        SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
        larger size containing struct block_symbol.

2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
        -mfloat128-hardware without -m64.

2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>

        PR target/79941
        * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
        entries to the case statement that marks unsigned arguments to
        overloaded functions.

2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
        two typographic errors in the handling of TARGET_UPPER_REGS_DI.

2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>

        PR target/79907
        * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
        TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.

2017-03-10  Martin Liska  <mliska@suse.cz>

        PR target/65705
        PR target/69804
        * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
        * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
        FIELD != NULL.

2017-03-10  Olivier Hainque  <hainque@adacore.com>

        * tree-switch-conversion (array_value_type): Start by resetting
        candidate type to it's main variant.

2017-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/79909
        * combine.c (try_combine): Use simplify_replace_rtx on individual
        CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
        of the whole CALL_INSN_FUNCTION_USAGE.

        PR tree-optimization/79972
        * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
        get_range_info on SSA_NAMEs.  Formatting fixes.

2017-03-10  Richard Biener  <rguenther@suse.de>
            Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/77975
        * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
        edge to be constant.
        (get_val_for): For constant x return it.  Formatting fix.
        (loop_niter_by_eval): Avoid pointless looping if the next iteration
        would use the same bases as the current one.

2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
        instead of vec_select for V1TImode.
        * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
        longer needed.
        (VSX_LE_128): Add V1TI to this mode iterator.
        (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
        (*vsx_le_perm_store_<mode>): Likewise.
        (pre-reload splitter for VSX stores): Likewise.
        (post-reload splitter for VSX stores): Likewise.
        (*vsx_xxpermdi2_le_<mode>): Likewise.
        (*vsx_lxvd2x2_le_<mode>): Likewise.
        (*vsx_stxvd2x2_le_<mode>): Likewise.

2017-03-09  Michael Eager  <eager@eagercon.com>

        Correct failures with --enable-checking=yes,rtl.

        * config/microblaze/microblaze.c (microblaze_expand_shift):
        Replace GET_CODE test with CONST_INT_P and INTVAL test with
        test for const0_rtx.
        * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
        lshrsi3_byone): Replace INTVAL with test for const1_rtx.

2017-03-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79977
        * graphite-scop-detection.c (scop_detection::merge_sese):
        Handle the case of extra exits to blocks dominating the entry.

2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>

        * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
        Document rdynamic.

2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/79949
        * lra-constraints.c (process_alt_operands): Check memory when
        trying to predict a cycle.  Print about the overall increase.

2017-03-09  Richard Biener  <rguenther@suse.de>

        PR middle-end/79971
        * gimple-expr.c (useless_type_conversion_p): Preserve
        TYPE_SATURATING for fixed-point types.

2017-03-09  Richard Biener  <rguenther@suse.de>

        PR ipa/79970
        * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
        alignment of BLKmode params.

2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/79913
        * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
        (VALL_NO_V2Q): Likewise.
        (VDQF_DF): Delete.
        * config/aarch64/aarch64-simd.md
        (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
        iterator.
        (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
        VALL_NO_V2Q mode iterator.
        (*aarch64_vgetfmulx<mode>): Use VDQF iterator.

2017-03-09  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/79631
        * tree-chkp-opt.c (chkp_is_constant_addr): Call
        tree_int_cst_sign_bit just for INTEGER constants.

2017-03-09  Martin Liska  <mliska@suse.cz>

        PR target/65705
        PR target/69804
        * toplev.c (process_options): Disable -fcheck-pointer-bounds with
        sanitizers.

2017-03-09  Marek Polacek  <polacek@redhat.com>

        PR c++/79672
        * tree.c (inchash::add_expr): Handle TREE_VEC.

2017-03-09  Martin Liska  <mliska@suse.cz>

        PR ipa/79764
        (chkp_narrow_size_and_offset): New function.
        (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
        (void chkp_parse_bit_field_ref): New function.
        (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
        (chkp_process_stmt): Use chkp_parse_bit_field_ref.

2017-03-09  Martin Liska  <mliska@suse.cz>

        PR ipa/79761
        * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
        (chkp_find_bounds_1): Remove gcc_unreachable.

2017-03-09  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/79944
        * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
        BUILT_IN_SYNC*, determine the access type from the size suffix and
        always build a MEM_REF with that type.  Handle forgotten
        BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.

        PR target/79932
        * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
        _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
        _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
        _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
        _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
        _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
        _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
        _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
        _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
        _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
        _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
        _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
        _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
        _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
        _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
        _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
        _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
        _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
        _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
        _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
        _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
        _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
        _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
        _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
        _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
        _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
        _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
        _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
        _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
        _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
        definitions outside of __OPTIMIZE__ guarded section.

        PR target/79932
        * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
        _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
        _mm512_packus_epi32, _mm512_maskz_packus_epi32,
        _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
        guarded section.

2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
        ("vfenez<mode>"): Add missing constraints.

2017-03-08  Martin Sebor  <msebor@redhat.com>

        PR target/79928
        * config/nds32/nds32.c (nds32_option_override): 

2017-03-08  Jakub Jelinek  <jakub@redhat.com>

        PR c/79940
        * gimplify.c (gimplify_omp_for): Replace index var in outer
        taskloop statement with an artificial variable and add
        OMP_CLAUSE_PRIVATE clause for it.

2017-03-08  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79955
        * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
        for accesses that are completely outside of the variable.

2017-03-08  Andrew Haley  <aph@redhat.com>

        PR tree-optimization/79943
        * tree-ssa-loop-split.c (compute_new_first_bound): When
        calculating the new upper bound, (END-BEG) should be added, not
        subtracted.

2017-03-08  Jakub Jelinek  <jakub@redhat.com>

        * config/avr/avr.md (setmemhi): Make sure match_dup
        operand number comes before match_scratch.

2017-03-08  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79920
        * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
        with ncopies == 1 to ...
        (vect_transform_slp_perm_load): ... here.  Properly compute
        all element loads by iterating VF times over the group.  Do
        not handle ncopies (computed in a broken way) in
        vect_create_mask_and_perm.

2017-03-08  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/79904
        * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
        is a uniform vector, use uniform_vector_p return value instead of
        building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.

2017-03-07  Marek Polacek  <polacek@redhat.com>

        PR middle-end/79809
        * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
        (alloca_call_type): Likewise.

2017-03-07  Martin Liska  <mliska@suse.cz>

        * gcov.c (process_args): Put comment to correct location.

2017-03-07  Martin Liska  <mliska@suse.cz>

        PR middle-end/68270
        * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
        Use array_at_struct_end_p instead of DECL_CHAIN (field).
        (chkp_narrow_bounds_for_field): Likewise.
        (chkp_parse_array_and_component_ref): Pass one more argument to
        call.

2017-03-07  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
        preheaders.

2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/i386/i386.c (ix86_local_alignment): Align most aggregates
        of 16 bytes and more to 16 bytes, not those of 16 bits and more.

2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR c/79855
        * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
        to end of description.
        (PARAM_MAX_STORES_TO_MERGE): Likewise.

2017-03-07  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/79901
        * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
        ...
        (*avx512f_<code><mode>3<mask_name>): ... this.
        (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
        iterator instead of VI8_AVX2_AVX512BW.

        PR rtl-optimization/79901
        * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
        min/max expander, expand it using expand_vec_cond_expr.

        PR sanitizer/79897
        * ubsan.c (ubsan_encode_value): Call mark_addressable on the
        temporary.

2017-03-06  Jakub Jelinek  <jakub@redhat.com>

        PR c++/79821
        * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
        to void * for PCH reasons.
        * dwarf2out.c (output_loc_operands, output_die): Cast
        v.val_vec.array to unsigned char *.

2017-03-06  John David Anglin  <danglin@gcc.gnu.org>

        PR target/77850
        * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
        vector types.

2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/79571
        * lra-constraints.c (process_alt_operands): Calculate static
        reject and subtract it from overall when only addresses will be
        reloaded.

2017-03-06  Julia Koval  <julia.koval@intel.com>

        PR target/79793
        * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
        incoming stack boundary to 128 for 64-bit targets.

2017-03-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79894
        * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
        to NULL after folding it.

2017-03-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79824
        * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
        check disabling peeling for gaps.

2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>

        * doc/sourcebuild.texi (Effective-Target Keywords, Environment
        attributes): Document gettimeofday.

2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_option_override_internal): Set
        PARAM_MIN_VECT_LOOP_BOUND

2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
        * config/s390/s390.md: Likewise.

2017-03-06  Jakub Jelinek  <jakub@redhat.com>

        PR target/79812
        * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
        (<avx2_avx512>_perm<mode>): Rename to ...
        (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
        of VI8F_256_512.
        (<avx512>_perm<mode>_mask): Rename to ...
        (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
        of VI8F_256_512.
        (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
        (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
        instead of VI8F_256_512.
        (avx512f_perm<mode>): New define_expand.
        (avx512f_perm<mode>_mask): Likewise.
        (avx512f_perm<mode>_1<mask_name>): New define_insn.
        (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.

2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>

        * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
        msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
        if_then_else.
        (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.

2017-03-06  Martin Liska  <mliska@suse.cz>

        PR sanitize/79783
        * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
        when having a SSA NAME w/o VAR_DECL assigned to it.

2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>

        * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
        msa_dpsub_<su>_d): Fix MODE for vec_select.

2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>

        * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
        argument.
        * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.

2017-03-06  Richard Biener  <rguenther@suse.de>

        * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
        * plugin.c (register_plugin_info): Likewise.
        * tree-chkp.c (chkp_make_static_const_bounds): Likewise.

2017-03-05  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/sse.md (sse_storehps, sse_storelps,
        avx_<castmode><avxsizesuffix>_<castmode>,
        avx512f_<castmode><avxsizesuffix>_<castmode>,
        avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
        in condition that at least one operand is not a MEM.

2017-03-03  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/79805
        * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
        ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
        ECF_NOTHROW.
        * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
        gimple_call_nothrow_p flag based on whether original builtin can throw.
        If it can, emit following stmts on the fallthrough edge.
        * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
        don't create new bb if inserting just debug stmts on the edge, try to
        insert them on the fallthru bb or just reset debug stmts.

2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>

        PR target/43763
        * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
        restore recog_data (including the operand rtxes inside it) around
        the call to get_insn_template.

2017-03-03  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/79699
        * context.c (context::~context): Free MPFR caches to avoid
        a memory leak on program exit.

2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
        Use wide_int::ulow () instead of .elt (0).

2017-03-03  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
        (*pushxf): Limit oF constraint to 32bit targets and add oC
        constraint for 64bit targets.
        (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
        (*pushdf): Change rmF constraint to rmC.

2017-03-03  Martin Liska  <mliska@suse.cz>

        * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
        Remove unused variable.

2017-03-03  Jakub Jelinek  <jakub@redhat.com>

        PR target/79807
        * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
        is a memory operand, increase num_memory.
        (ix86_expand_args_builtin): Likewise.

2017-03-03  Jan Hubicka  <jh@suse.cz>

        PR lto/79760
        * ipa-devirt.c (maybe_record_node): Properly handle
        __cxa_pure_virtual visibility.

2017-03-03  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/79803
        * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
        assert.
        (pass_loop_prefetch::execute): Disabled optimization if an
        assumption about L1 cache size is not met.

2017-03-03  Martin Liska  <mliska@suse.cz>

        PR rtl-optimization/79574
        * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
        (hash_scan_set): Likewise.
        (dump_hash_table): Likewise.
        (hoist_code): Likewise.

2017-03-03  Richard Biener  <rguenther@suse.de>

        * fixed-value.c (fixed_from_string): Restore use of elt (1)
        in place of uhigh ().
        (fixed_convert_from_real): Likewise.

2017-03-03  Uros Bizjak  <ubizjak@gmail.com>

        PR target/79514
        * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.

2017-03-03  Richard Biener  <rguenther@suse.de>

        PR middle-end/79818
        * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
        TYPE_OVERFLOW_UNDEFINED check.

2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
        numbers.
        (vector_ae_<mode>_p): Likewise.
        (vector_nez_<mode>_p): Likewise.
        (vector_ne_v2di_p): Likewise.
        (vector_ae_v2di_p): Likewise.
        (vector_ne_<mode>_p): Likewise.
        * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
        numbers.
        (vsx_tsqrt<mode>2_fe): Likewise.

2017-03-02  Uros Bizjak  <ubizjak@gmail.com>

        PR target/79514
        * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.

2017-03-02  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/79780
        * cprop.c (one_cprop_pass): When second and further conditional trap
        in a single basic block is turned into an unconditional trap, turn it
        into a deleted note to avoid RTL verification failures.

2017-03-02  Richard Biener  <rguenther@suse.de>

        * fold-const.c (const_binop): Use ulow () instead of elt (0).

2017-03-02  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79345
        PR c++/42000
        * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
        param and abort the walk, returning -1 if it is hit.
        (walk_aliased_vdefs): Take a limit param and pass it on.
        * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
        defaulting to 0 and return a signed int.
        * tree-ssa-uninit.c (struct check_defs_data): New struct.
        (check_defs): New helper.
        (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
        about uninitialized memory.
        * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
        bogus uninitialized warning.
        (fixed_convert_from_real): Likewise.

2017-03-02  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/66768
        * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
        iv_use if base object can't be determined.

2017-03-02  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/79345
        * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
        * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
        (get_pattern_stats): Initialize it.
        * genemit.c (gen_expand): Verify match_scratch numbers come after
        match_operand/match_dup numbers.
        * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
        match_scratch numbers.
        * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
        Likewise.
        * config/s390/s390.md (trunctdsd2): Likewise.

2017-03-02  Richard Biener  <rguenther@suse.de>

        * wide-int.h (wide_int_storage::operator=): Implement in terms
        of wi::copy.

2017-03-02  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79777
        * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
        the to insert expression to sth existing.

2017-03-01  Martin Sebor  <msebor@redhat.com>

        PR middle-end/79692
        * gimple-ssa-sprintf.c
        (directive::known_width_and_precision): New function.
        (format_integer): Use it.
        (get_mpfr_format_length): Consider the full range of precision
        when computing %g output with the # flag.  Set the likely byte
        count to 3 rather than 1 when precision is indeterminate.
        (format_floating): Correct the lower bound of precision.

2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * doc/invoke.texi: Document default code model for 64-bit Linux.

2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

        PR target/79752
        * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
        udiv rather than div since input pattern is unsigned.

2017-03-01  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (print_reg): Warn for values of
        unsupported size in integer register.

2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/79439
        * config/rs6000/predicates.md (current_file_function_operand): Do
        not allow self calls to be local if the function is replaceable.

2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        PR target/79395
        * config/rs6000/altivec.h (vec_ctz and others): Change the
        preprocessor macro that controls conditional compilation from
        _ARCH_PWR9 to __POWER9_VECTOR__.
        (vec_all_ne): Change parameterization of __altivec_scalar_pred
        macro expansion under preprocessor #ifdef __POWER9_VECTOR__
        control (instead of _ARCH_PWR9 control) so that template
        definition uses power9-specific function.
        (vec_any_eq): Likewise.
        (vec_all_ne): Change macro definition to use a power9-specific
        expansion under #ifdef __POWER9_VECTOR__ control (instead of
        _ARCH_PWR9 control).
        (vec_any_eq) Likewise.
        * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
        expansion for CMPNEF to remove support for xvcmpnesp instruction.
        (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
        support for xvcmpnedp instruction.
        (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
        macro expansion so that Power9 implementation of vec_all_ne does
        not use the AltiVec predicate framework.
        (VCMPNEH_P): Likewise.
        (VCMPNEW_P): Likewise.
        (VCMPNED_P): Likewise.
        (VCMPNEFP_P): Likewise.
        (VCMPNEDP_P): Likewise.
        (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
        implementation of vec_any_eq to not use AltiVec predicate
        framework.
        (VCMPAEH_P): Likewise.
        (VCMPAEW_P): Likewise.
        (VCMPAED_P): Likewise.
        (VCMPAEFP_P): Likewise.
        (VCMPAEDP_P): Likewise.
        (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
        BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
        not use the AltiVec predicate framework.
        (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
        of vec_any_eq to not use AltiVec predicate framework.
        * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
        support for predefined __POWER9_VECTOR__ macro to indicate that
        Power9 instruction selection is enabled.
        (altivec_overloaded_builtins): Remove extraneous
        ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
        function argument types RS6000_BTI_bool_V16QI and
        RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
        entry for overloaded function argument types RS6000_BTI_bool_V4SI
        andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
        two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
        P9V_BUILTIN_CMPNEF to force use of instructions not specific to
        Power9 for implementations of vec_cmpne.  Change the signature for
        all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
        (representing vec_all_ne) to remove the previously described first
        argument of type RS6000_BTI_INTSI, as this was an artifact of
        reliance on the AltiVec predicate framework, which is no longer
        used in the implementation of these functions.  Add
        P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
        function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
        since, unlike the AltiVec predicate framework implementation, we
        do not share function descriptors between vec_alle and vec_anyeq.
        (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
        set of modes that receive special treatment even when
        TARGET_P9_VECTOR is true.  The special treatment emits code that
        does not depend on Power9 instructions.
        * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
        define_expand to not rely on AltiVec predicate framework.
        (vector_ae_<mode>p): New define_expand to represent vec_any_eq
        function.
        (vector_ne_v2di_p): Change this define_expand to not rely on
        AltiVec predicate framework.
        (vector_ae_v2di_p): New define_expand to represent vec_any_eq
        function.
        (vector_ne_<mode>_p): Change this define_expand to not rely on
        AltiVec predicate framework.
        (vector_ae_<mode>p): New define_expand to represent vec_any_eq
        function.
        * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
        (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
        define_insn pattern.
        (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
        define_insn pattern because the xvcmpne<VSs>. instruction is not
        supported.
        (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
        instruction is not supported.

2017-03-01  Jakub Jelinek  <jakub@redhat.com>

        * config/nvptx/nvptx.c: Include intl.h.

2017-03-01  Martin Jambor  <mjambor@suse.cz>

        PR lto/78140
        * ipa-prop.h (ipa_bits): Removed field known.
        (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
        to pointers.  Adjusted their comments to warn about their sharing.
        (ipcp_transformation_summary): Change bits to a vector of pointers.
        (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
        (ipa_get_ipa_bits_for_value): Declare.
        * tree-vrp.h (value_range): Mark as GTY((for_user)).
        * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
        (ipa_bits_hash_table): Likewise.
        (ipa_vr_ggc_hash_traits): Likewise.
        (ipa_vr_hash_table): Likewise.
        (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
        being pointers and vr_known being removed.
        (ipa_set_jf_unknown): Likewise.
        (ipa_get_ipa_bits_for_value): New function.
        (ipa_set_jfunc_bits): Likewise.
        (ipa_get_value_range): New overloaded functions.
        (ipa_set_jfunc_vr): Likewise.
        (ipa_compute_jump_functions_for_edge): Use the above functions to
        construct bits and vr parts of jump functions.
        (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
        ipa_bits_hash_table and ipa_vr_hash_table if they do not already
        exist.
        (ipcp_grow_transformations_if_necessary): Also allocate
        ipa_bits_hash_table and ipa_vr_hash_table if they do not already
        exist.
        (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
        them.  Fix too long lines.
        (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
        vr_known being removed.
        (ipa_read_jump_function): Use new setter functions to construct bits
        and vr parts of jump functions or set them to NULL.
        (write_ipcp_transformation_info): Adjust for bits being pointers.
        (read_ipcp_transformation_info): Likewise.
        (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
        space.
        Include gt-ipa-prop.h.
        * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
        being pointers.
        (ipcp_store_bits_results): Likewise.
        (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
        Do not write to existing jump functions but use a temporary instead.

2017-03-01  Jakub Jelinek  <jakub@redhat.com>

        PR c++/79681
        * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
        attempt to use its first operand as BIT_FIELD_REF base.

2017-03-01  Richard Biener  <rguenther@suse.de>

        PR middle-end/79721
        * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
        interpolating formula in wrapping arithmetic.
        (chrec_apply): Convert chrec_evaluate return value to wanted type.

2017-03-01  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/79734
        * tree-vect-generic.c (expand_vector_condition): Optimize
        AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
        Handle VEC_COND_EXPR where comparison has different inner width from
        type's inner width.

2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
        markup, and similar issues.  Remove @opindex entries for things
        that aren't options.  Add missing -mmpy-option entries.

2017-02-28  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/79737
        * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
        a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
        tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
        instead of byte_size.  Formatting fix.
        (shift_bytes_in_array_right): Formatting fix.

2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/79749
        * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
        condition on optimize for the leaf function test.

2017-02-28  Martin Liska  <mliska@suse.cz>

        PR lto/79625
        * read-rtl-function.c (function_reader::handle_unknown_directive):
        Bail out when one uses -flto.

2017-02-28  Martin Liska  <mliska@suse.cz>

        * common.opt: Replace space with tabular for options of <number>
        type.
        * config/i386/i386.opt: Show <number> value for
        -mlarge-data-threshold.
        * opts.c (print_filtered_help): Do not display number in hexadecimal
        format.

2017-02-28  Martin Liska  <mliska@suse.cz>

        * common.opt: Fix --help=option -Q for options which are of
        an enum type.

2017-02-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (print_reg): Error out for values
        of 8-bit size in invalid integer register.

2017-02-28  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/79691
        * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.

2017-02-28  Jakub Jelinek  <jakub@redhat.com>

        PR target/79729
        * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
        gcc_unreachable with output_operand_lossage.

2017-02-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79740
        * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
        inserts.
        (visit_nary_op): Insert the nary into the hashtable if we
        pattern-matched sth.
        * tree-ssa-pre.c (eliminate_insert): Robustify.

2017-02-28  Richard Biener  <rguenther@suse.de>

        PR middle-end/79731
        * fold-const.c (decode_field_reference): Reject out-of-bound
        accesses.

2017-02-28  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c: Include intl.h.
        (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
        instead of just cond ? "..." : "...".
        * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
        * coverage.c (read_counts_file): Likewise.
        * omp-offload.c: Include intl.h.
        (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
        of just cond ? "..." : "...".
        * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
        of just cond ? "..." : "...".

2017-02-28  Richard Earnshaw  <rearnsha@arm.com>

        PR target/79742
        * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
        entry, if present.
        * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
        'tune for' CPU name.
        * config/arm/arm-cpu-data.h: Regenerated.

2017-02-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79732
        * tree-inline.c (expand_call_inline): Do not shadow var.

2017-02-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79723
        * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
        address-space properly.

2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>

        * doc/optinfo.texi (Optimization groups): Fix option used for
        OPTGROUP_ALL.
        * doc/invoke.texi (-fopt-info): Document "omp".
        * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
        (OPTGROUP_ALL): Add OPTGROUP_OMP.
        * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
        * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
        * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.

        * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
        all users.
        * dumpfile.c (optgroup_options): Instead of "openmp", associate
        OPTGROUP_OMP with "omp".

2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>

        PR target/79544
        * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
        for arithmetic shift of unsigned V2DI.

2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>

        * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
        arc/linux.h headers.
        * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
        (LINK_SPEC): Likewise.
        (ARC_TLS_EXTRA_START_SPEC): Likewise.
        (EXTRA_SPECS): Likewise.
        (STARTFILE_SPEC): Likewise.
        (ENDFILE_SPEC): Likewise.
        (LIB_SPEC): Likewise.
        (TARGET_SDATA_DEFAULT): Likewise.
        (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
        (MULTILIB_DEFAULTS): Likewise.
        (DWARF2_UNWIND_INFO): Likewise.
        * config/arc/big.h: New file.
        * config/arc/elf.h: Likewise.
        * config/arc/linux.h: Likewise.
        * config/arc/t-uClibc: Remove.

2017-02-27  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/77536
        * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
        (tree_transform_and_unroll_loop): Use above function to compute the
        estimated niter of unrolled loop and use it when scaling profile.
        Also use count info rather than frequency if it's non-zero.
        * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
        * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
        (vect_transform_loop): Call above function.

2017-02-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/45397
        * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
        * tree-ssa-sccvn.c (valueized_wider_op): New helper.
        (visit_nary_op): Add pattern matching for CSEing sign-changed
        or truncated operations with wider ones.

2017-02-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79690
        * tree-vect-stmts.c (vectorizable_store): Use vector type
        built from the DR with address-space.

2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi (Optimize Options): Refine the description
        of asan-use-after-return.

2017-02-25  Alan Modra  <amodra@gmail.com>

        PR rtl-optimization/79584
        * lra-constraints.c (base_to_reg): Reload ad->base, the entire
        base, not ad->base_term, the reg within base.  Remove assertion
        that ad->base == ad->base_term.  Replace gen_int_mode using
        bogus mode with const0_rtx.

2017-02-25  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/79396
        * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
        FMA_EXPR like tcc_binary or tcc_unary.

        * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.

        PR debug/77589
        * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
        bitfield.
        (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
        (output_loc_operands): Handle DW_OP_call_ref and
        DW_OP_GNU_variable_value.
        (struct variable_value_struct): New type.
        (struct variable_value_hasher): Likewise.
        (variable_value_hash): New variable.
        (string_types): Remove.
        (copy_loc_descr): New function.
        (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
        (prepend_loc_descr_to_each): New function.
        (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
        instead of add_loc_descr_to_each if the first argument is single
        location list and the second has multiple.
        (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
        (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
        when looking for variable value which doesn't have other location info.
        (loc_list_from_tree): Formatting fix.
        (gen_array_type_die): Simplify DW_AT_string_length handling.
        (adjust_string_types): Remove.
        (gen_subprogram_die): Don't call adjust_string_types nor test/set
        string_types.  Call resolve_variable_values.
        (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
        (resolve_addr_in_expr): Likewise.  Add A argument.
        (copy_deref_exprloc): Remove deref argument.  Adjust for the
        original expression being DW_OP_GNU_variable_value with optionally
        DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
        optionally after it.
        (optimize_string_length): Rework for DW_OP_GNU_variable_value.
        (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
        callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
        (variable_value_hasher::hash, variable_value_hasher::equal): New
        methods.
        (resolve_variable_value_in_expr, resolve_variable_value,
        resolve_variable_values, note_variable_value_in_expr,
        note_variable_value): New functions.
        (dwarf2out_early_finish): Call note_variable_value on all toplevel
        DIEs.

2017-02-24  Jakub Jelinek  <jakub@redhat.com>

        PR c/79677
        * opts.h (handle_generated_option): Add GENERATED_P argument.
        * opts-common.c (handle_option): Adjust function comment.
        (handle_generated_option): Add GENERATED_P argument, pass it to
        handle_option.
        (control_warning_option): Pass false to handle_generated_option
        GENERATED_P.
        * opts.c (maybe_default_option): Pass true to handle_generated_option
        GENERATED_P.
        * optc-gen.awk: Likewise.

2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
        a REG, look at the REG it is a SUBREG of.
        (splitter for cmpeqsi_t): Ditto.

2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
        the special USEs with the pattern of the insn, not the insn itself.

2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>

        PR target/79473
        * doc/invoke.texi: Document -mload-store-pairs.

2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
            Sandra Loosemore  <sandra@codesourcery.com>

        * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
        argument isn't a CONST_INT.
        (nios2_alternate_compare_const): Assert op is a CONST_INT.
        (nios2_valid_compare_const_p): Assert op is a CONST_INT.
        (nios2_validate_compare): Bypass alternate compare logic if *op2
        is not a CONST_INT.
        (ldstwm_operation_p): Return false if first_base is not a REG or
        if first_offset is not a CONST_INT.

2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/cris/cris.md: Use correct operand in a define_peephole2.

2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.

2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
        this_insn if it is an INSN or JUMP_INSN.
        (force_offsettable): Look at base, not at addr.
        * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
        on things that aren't necessarily CONST_INTs.

2017-02-24  Uros Bizjak  <ubizjak@gmail.com>

        * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
        -mfpmath=sse is the default also for x86-32 targets with SSE2
        instruction set when @option{-ffast-math} is enabled

2017-02-24  Jeff Law  <law@redhat.com>

        PR rtl-optimizatoin/79286
        * ira.c (update_equiv_regs): Drop may_trap_p exception to
        dominance test.

2017-02-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79389
        * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
        debug insns.

2017-02-24  Aldy Hernandez  <aldyh@redhat.com>

        * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
        function comment to reflect reality.
        (loop_exits_before_overflow): Fix typo in function description.

2017-02-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79389
        * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
        properly that a threading opportunity exists.  Detect conditional
        copy/constant propagation opportunities.

2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>

        * config/visium/visium.md (type): Add trap.
        (b): New mode attribute.
        (*btst): Rename into...
        (*btst<mode>): ...this and adjust.
        (*cbranchsi4_btst_insn): Rename into...
        (*cbranch<mode>4_btst_insn): ...this and adjust.
        (trap): New define_insn.

2017-02-23  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/79389
        * ifcvt.c (struct noce_if_info): Add rev_cond field.
        (noce_reversed_cond_code): New function.
        (noce_emit_store_flag): Use rev_cond if non-NULL instead of
        reversed_comparison_code.  Formatting fix.
        (noce_try_store_flag): Test rev_cond != NULL in addition to
        reversed_comparison_code.
        (noce_try_store_flag_constants): Likewise.
        (noce_try_store_flag_mask): Likewise.
        (noce_try_addcc): Use rev_cond if non-NULL instead of
        reversed_comparison_code.
        (noce_try_cmove_arith): Likewise.  Formatting fixes.
        (noce_try_minmax, noce_try_abs): Clear rev_cond.
        (noce_find_if_block): Initialize rev_cond.
        (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
        instead of false as last argument never attempt to reverse it
        afterwards.

2017-02-23  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/79663
        * tree-predcom.c (combine_chains): Process refs in reverse order
        only for ZERO length chains, and add explaining comment.

2017-02-23  Jeff Law  <law@redhat.com>

        PR tree-optimization/79578
        * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
        in call to operand_equal_p.

2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>

        PR target/71017
        * config/i386/cpuid.h: Fix another undefined behavior.

2017-02-23  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79683
        * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
        vector types for data-refs.

2017-02-23  Martin Liska  <mliska@suse.cz>

        * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.

2017-02-23  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/79665
        * internal-fn.c (get_range_pos_neg): Moved to ...
        * tree.c (get_range_pos_neg): ... here.  No longer static.
        * tree.h (get_range_pos_neg): New prototype.
        * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
        are known to be in between 0 and signed maximum inclusive, try to
        expand both unsigned and signed divmod and use the cheaper one from
        those.

2017-02-22  Jeff Law  <law@redhat.com>

        PR tree-optimization/79578
        * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
        to compare base operands.

2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/79211
        * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
        gpc_reg_operand instead of fpr_reg_operand.

2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>

        * config/mips/mips.c (mips_return_in_memory): Force FP
        vector types to be returned in memory for o32 ABI.

2017-02-22  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
        instead of DW_TAG_member for static data member declarations and don't
        set no_linkage_name for static inline data members.
        (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
        to DW_TAG_member.

2017-02-22  Martin Liska  <mliska@suse.cz>

        * doc/invoke.texi: Replace inequality signs with square brackets
        for -Wnormalized.

2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/68644
        * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.

2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>

        PR target/78660
        * lra-constraints.c (simplify_operand_subreg): Handle
        WORD_REGISTER_OPERATIONS targets.

2017-02-22  Jakub Jelinek  <jakub@redhat.com>

        PR target/70465
        * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
        and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
        elimination by swapping fld*.

2017-02-22  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79673
        * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
        convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
        irrelevant address-space qualifiers and avoiding a
        ADDR_SPACE_CONVERT_EXPR from fold_convert.

2017-02-22  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79666
        * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
        to not symbolically negate if that may introduce undefined
        overflow.

2017-02-22  Martin Liska  <mliska@suse.cz>

        PR lto/79587
        * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
        * data-streamer-out.c (streamer_write_gcov_count_stream):
        Likewise.
        * value-prof.c (stream_out_histogram_value): Make assert more
        precise based on type of counter.

2017-02-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/79593
        * config/i386/i386.md (standard_x87sse_constant_load splitter):
        Use nonimmediate_operand instead of memory_operand for operand 1.
        (float-extend standard_x87sse_constant_load splitter): Ditto.

2017-02-21 Jeff Law  <law@redhat.com>

        PR tree-optimization/79621
        * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
        blocks with edges to themselves.

2017-02-21  Jakub Jelinek  <jakub@redhat.com>

        PR target/79633
        * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
        is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
        Use gimple_call_builtin_p.

        PR target/79570
        * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
        on temporarily removed DEBUG_INSNs.

        PR tree-optimization/79649
        * tree-loop-distribution.c (classify_partition): Give up on
        non-generic address space loads/stores.

2017-02-21  Aldy Hernandez  <aldyh@redhat.com>

        * doc/loop.texi (Loop manipulation): Remove nonexistent
        tree_ssa_loop_version from the documentation.
        * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.

2017-02-21  Jakub Jelinek  <jakub@redhat.com>

        PR target/79494
        * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
        make_reg_eh_region_note_nothrow_nononlocal on call_insn.
        * config/rs6000/rs6000.c: Include except.h.
        (rs6000_expand_split_stack_prologue): Call
        make_reg_eh_region_note_nothrow_nononlocal on the call insn.

2017-02-21  Martin Jambor  <mjambor@suse.cz>

        PR lto/79579
        * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
        have been analyzed.

2017-02-21  Martin Jambor  <mjambor@suse.cz>

        * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
        for backward compatibility only.
        * doc/invoke.texi (Option Summary): Remove all references to
        -fipa-cp-alignment.

2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>

        PR target/78660
        Revert:
        2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>

        * lra-constraints.c (curr_insn_transform): Handle
        WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.

2017-02-21  Martin Liska  <mliska@suse.cz>

        * config/i386/i386.opt: Replace -masm-dialect with -masm.

2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>

        PR translation/79638
        * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".

2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/67205
        * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
        (arm_function_ok_for_sibcall): Return false for an indirect call by
        descriptor if all the argument registers are used.
        (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
        alignment of the function.

2017-02-21  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/61441
        * simplify-rtx.c (simplify_const_unary_operation): For
        -fsignaling-nans and sNaN operand, return NULL_RTX rather than
        the sNaN unmodified.

2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
        (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
        instead of SYSTEM_HEADER_DIR.

2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
            Martin Liška  <mliska@suse.cz>

        * doc/invoke.texi (use-after-scope-direct-emission-threshold):
        Fix typos and grammar, use active voice, and clarify.

2017-02-20  Marek Polacek  <polacek@redhat.com>

        PR middle-end/79537
        * gimplify.c (gimplify_expr): Handle unused *&&L;.

        PR sanitizer/79558
        * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.

2017-02-20  Jakub Jelinek  <jakub@redhat.com>

        PR target/79568
        * config/i386/i386.c (ix86_expand_builtin): Handle
        OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
        ix86_builtins_isa[fcode].isa as a requirement of those
        flags and any other flag in the bitmask.
        (ix86_init_mmx_sse_builtins): Use 0 instead of
        ~OPTION_MASK_ISA_64BIT as mask.
        * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
        __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
        __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
        __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.

2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>

        PR target/78012
        * lra-constraints.c (split_reg): Check requested split mode
        is supported by the register.

2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>

        * lra-constraints.c (simplify_operand_subreg): Remove early
        return false.

2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>

        PR target/78660
        * lra-constraints.c (curr_insn_transform): Tighten condition
        for converting SUBREG reloads from OP_OUT to OP_INOUT.

2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>

        PR target/78660
        * lra-constraints.c (curr_insn_transform): Handle
        WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.

2017-02-19  Uros Bizjak  <ubizjak@gmail.com>

        Revert:
        2016-05-30  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".

2017-02-19  Jonathan Wakely  <jwakely@redhat.com>

        PR c++/69523
        * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
        description.

2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
        for FMA_EXPR.

2017-02-18  Jakub Jelinek  <jakub@redhat.com>

        * final.c (last_columnnum, override_columnnum): New variables.
        (final_start_function): Set last_columnnum, pass it to begin_prologue
        hook and pass 0 to dwarf2out_begin_prologue.
        (final_scan_insn): Update override_columnnum.  Pass last_columnnum
        to source_line debug hook.
        (notice_source_line): Compute last_columnnum and for debug_column_info
        return true on column changes.
        * debug.h (struct gcc_debug_hooks): Add column argument to
        source_line and begin_prologue hooks.
        (debug_nothing_int_charstar_int_bool): Remove prototype.
        (debug_nothing_int_int_charstar,
        debug_nothing_int_int_charstar_int_bool): New prototypes.
        (dwarf2out_begin_prologue): Add column argument.
        * debug.c (do_nothing_debug_hooks): Adjust source_line and
        begin_prologue hooks.
        (debug_nothing_int_charstar_int_bool): Remove.
        (debug_nothing_int_int_charstar,
        debug_nothing_int_int_charstar_int_bool): New functions.
        * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
        through to dwarf2out_source_line.
        (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
        (dwarf2out_source_line): Add column argument, emit it if requested.
        * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
        arguments.
        * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
        * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
        * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
        through to dwarf2out_begin_prologue.
        (vmsdbgout_source_line): Add column argument, pass it through to
        dwarf2out_source_line.
        * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
        dbxout_source_line caller.
        (dbxout_source_line): Add column argument.

        * common.opt (gno-column-info, gcolumn-info): New options.
        * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
        (check_die): Also test for multiple DW_AT_decl_column attributes.
        (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
        DW_AT_decl_column if requested.
        (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
        if requested.
        (gen_variable_die): Likewise.
        (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
        * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.

        PR target/79569
        * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
        * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
        (ix86_handle_option): Handle OPT_m3dnowa.
        * doc/invoke.texi (-m3dnowa): Document.
        * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
        -m3dnowa instead of -m3dnow -march=athlon.

        PR target/79559
        * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
        instead of gcc_assert for K, r and R code checks.  Formatting fixes.

2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR target/79261
        * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
        support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
        * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
        generator for vsx_xxpermdi_<mode>_be.
        * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
        force big-endian semantics.
        (vsx_xxpermdi_<mode>_be): New define_expand with same
        implementation as previous version of vsx_xxpermdi_<mode>.

2017-02-17  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/79327
        * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
        variable, its initialization and use.

2017-02-17  Julia Koval  <julia.koval@intel.com>

        * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
        (OPTION_MASK_ISA_PKU_UNSET): New.
        (ix86_handle_option): Handle -mrdpid.
        * config/i386/cpuid.h (bit_RDPID): New.
        * config/i386/driver-i386.c (host_detect_local_cpu):
        Detect RDPID feature.
        * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
        * config/i386/i386-c.c (ix86_target_macros_internal):
        Handle RDPID flag.
        * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
        (ix86_valid_target_attribute_inner_p): Add "rdpid".
        (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
        * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
        * config/i386/i386.md (define_insn "rdpid"): New.
        * config/i386/i386.opt Add -mrdpid.
        * config/i386/immintrin.h (_rdpid_u32): New.

2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/79541
        * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
        instead of transforming it into USE.

2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
        If HONOR_SNANS (SFmode) force the input to a register.
        (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
        (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
        an frsp or similar insn.

2017-02-17  Martin Liska  <mliska@suse.cz>

        PR rtl-optimization/79577
        * params.def (selsched-max-sched-times): Increase minimum to 1.

2017-02-17  Martin Liska  <mliska@suse.cz>

        PR rtl-optimization/79574
        * gcse.c (want_to_gcse_p): Prevent integer overflow.

2017-02-17  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/79529
        * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
        ssa_defined_default_def_p to handle cases which are implicitly
        defined.
        * tree-ssa.c (ssa_defined_default_def_p): New function.
        (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
        which are implicitly defined.
        * tree-ssa.h (ssa_defined_default_def_p): Declare.

2017-02-17  Richard Biener  <rguenther@suse.de>

        PR middle-end/79576
        * params.def (max-ssa-name-query-depth): Limit to 10.

2017-02-17  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79552
        * tree-ssa-structalias.c (visit_loadstore): Properly verify
        default defs.

2017-02-17  Richard Biener  <rguenther@suse.de>

        PR bootstrap/79567
        * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.

2017-02-17  Marek Polacek  <polacek@redhat.com>

        PR middle-end/79536
        * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
        (fold_negate_expr): New wrapper.

2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]: 
        Correct terminology and de-emphasize pre-standard behavior.

2017-02-16  Alan Modra  <amodra@gmail.com>

        PR rtl-optimization/79286
        * ira.c (def_dominates_uses): New function.
        (update_equiv_regs): Don't create an equivalence for insns that
        may trap where the register def does not dominate the use.

2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/78127
        * lra.c (lra): Call lra_eliminate before finish the loop after
        lra_constraint.

2017-02-16  Richard Biener  <rguenther@suse.de>

        * graphite.h: Do not include isl/isl_val_gmp.h, instead include
        isl/isl_val.h.
        * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
        (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
        * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
        (isl_val_int_from_wi): New function.
        (extract_affine_gmp): Rename to ...
        (extract_affine_wi): ... this, take a widest_int.
        (extract_affine_int): Just wrap extract_affine_wi.
        (add_param_constraints): Use isl_val_int_from_wi.
        (add_loop_constraints): Likewise, and extract_affine_wi.

2017-02-15 Jeff Law  <law@redhat.com>

        PR middle-end/79521
        * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
        ira_init_register_move_cost_if_necessary.

2017-02-15  Martin Sebor  <msebor@redhat.com>

        PR middle-end/32003
        * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
        removed in a prior commit.

2017-02-15  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/79347
        * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
        counters during peeling.

2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>

        * Makefile.in (site.exp): Remove "set ISLVER".

2017-02-15  Jakub Jelinek  <jakub@redhat.com>

        PR target/79487
        * real.c (real_from_integer): Call real_convert even for decimal.

2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        PR target/79421
        * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.

2017-02-14  Andrew Pinski  <apinski@cavium.com>

        * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
        cores and change the partno/implementer to be correct.
        (thunderx2t99p1): New core which replaces thunderx2t99 and still has
        the 'B" as the implementer.
        * config/aarch64/aarch64-tune.md: Regenerate.

2017-02-14  Carl Love  <cel@us.ibm.com>

        * config/rs6000/rs6000.c: Add case statement entry to make the
        xvcvuxdsp built-in argument unsigned.
        * config/rs6000/vsx.md: Fix the source and return operand types so they
        match the instruction definitions from the ISA document.  Fix typo
        in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
        statement.

2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/79282
        * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
        member early_clobber_alts.
        * lra-lives.c (reg_early_clobber_p): New.
        (process_bb_lives): Use it.
        * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
        (debug_operand_data): Initialize early_clobber_alts.
        (setup_operand_alternative): Set up early_clobber_alts.
        (collect_non_operand_hard_regs): Ditto.  Pass early clobber
        alternatives to new_insn_reg.
        (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
        it.
        (lra_update_insn_regno_info): Pass the new arg.

2017-02-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/79505
        * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
        (new_oacc_loop_raw): Don't clear already cleared fields.

        PR target/79481
        * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
        _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
        _mm512_prefetch_i64gather_ps): New inline functions and macros.

2017-02-14  Uros Bizjak  <ubizjak@gmail.com>

        PR target/79495
        * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.

2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/79498
        * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
        the extra instruction to the right place to store 128-bit constant
        when needed.

2017-02-14  Martin Sebor  <msebor@redhat.com>

        PR middle-end/79448
        * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
          warning for strings of unknown length.

2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>

        * config.gcc (supported_defaults) [powerpc*-*-*]: Update.

2017-02-14 Jeff Law  <law@redhat.com>

        PR target/79404
        * ira-costs.c (scan_one_insn): Initialize register move costs
        for pseudos seen in USE/CLOBBER insns.

        PR tree-optimization/79095
        * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
        if the numerator has the range ~[0,0] make the resultant range ~[0,0].
        (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
        if the operands are known to be not equal, then the resulting range
        is ~[0,0].
        (intersect_ranges): If the new range is ~[0,0] and the old range is
        wide, then prefer ~[0,0].
        * tree-vrp.c (overflow_comparison_p_1): New function.
        (overflow_comparison_p): New function.
        * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
        if NAME is used in an overflow test.
        (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
        overflow check that can be expressed as an equality test, then adjust
        ops to be that equality test.

2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390-builtin-types.def: Remove flags argument.
        * config/s390/s390.c (s390_init_builtins): Likewise.

2017-02-14  Martin Liska  <mliska@suse.cz>

        * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
        vector.  Fix trailing white spaces.

2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
        HFmode.

2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/68664
        * config/arm/arm.c (arm_sched_can_speculate_insn):
        New function.  Declare prototype.
        (TARGET_SCHED_CAN_SPECULATE_INSN): Define.

2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR rtl-optimization/68664
        * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
        New function.
        (TARGET_SCHED_CAN_SPECULATE_INSN): Define.

2017-02-14  Amit Pawar  <amit.pawar@amd.com>

        * config/i386/i386.c (znver1_cost): Fix the alignment for function and
        max skip bytes for function, loop and jump.

2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
        ABS_EXPR for gimple dump.

2017-02-14  Jakub Jelinek  <jakub@redhat.com>

        PR target/79462
        * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].

        PR tree-optimization/79408
        * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
        case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
        (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
        also if rhs1 is INTEGER_CST.

2017-02-14  Richard Biener  <rguenther@suse.de>

        PR middle-end/79432
        * tree-into-ssa.c (insert_phi_nodes): When the function can
        have abnormal edges rewrite SSA names with broken use-def
        dominance out of SSA and register them for PHI insertion.

2017-02-13  Martin Sebor  <msebor@redhat.com>

        PR middle-end/79496
        * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
        clearing info.nowrite flag when snprintf size argument is a range.

2017-02-13  Jakub Jelinek  <jakub@redhat.com>

        * cprop.c (cprop_jump): Add missing space in string literal.
        * tree-ssa-structalias.c (rewrite_constraints): Likewise.
        (get_constraint_for_component_ref): Likewise.
        * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
        * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
        * lra-constraints.c (process_alt_operands): Likewise.
        * ipa-inline.c (inline_small_functions): Likewise.
        * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
        * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
        * trans-mem.c (diagnose_tm_1_op): Likewise.
        * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
        (grid_parallel_clauses_gridifiable): Likewise.

        * config/nvptx/mkoffload.c (process): Add space in between
        , and %d.

        * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
        "MOD4_SSE_REGS" and "ALL_REGS".

        * spellcheck.c (test_data): Add , in between "foo" and "food".

2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

        PR target/79449
        * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
        boundary crossing check and subsequent code generation agree.

2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (has_memory_op): Delete.
        (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
        has_memory_op.

2017-02-13  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/79388
        PR rtl-optimization/79450
        * combine.c (distribute_notes): When removing TEM_INSN for which
        corresponding dest has last value recorded, invalidate that last
        value.

2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
        of explicit '@'.  Add missing assembly comment marker on branch costs
        printout.

2017-02-13  Nathan Sidwell  <nathan@acm.org>

        * gengtype-lex.l (<in_struct>): Add '/'.

2017-02-13  Martin Liska  <mliska@suse.cz>

        PR c/79471
        * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.

2017-02-13  Richard Biener  <rguenther@suse.de>

        * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
        Remove.
        * configure: Re-generate.
        * config.in: Likewise.
        * graphite-dependences.c: Simplify as if
        HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
        * graphite-isl-ast-to-gimple.c: Likewise.
        * graphite-optimize-isl.c: Likewise.
        * graphite-poly.c: Likewise.
        * graphite-sese-to-poly.c: Likewise.
        * graphite.h: Likewise.
        * toplev.c: Include isl/version.h and use isl_version () for
        printing the ISL version.
        * doc/install.texi: Update ISL requirement.

2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/standards.texi (Standards): Update reference to
        Objective-C 2.0.

2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
        
        * doc/extend.texi (Named Address Spaces): sourceware.org now
        defaults to https.
        * doc/install.texi (Binaries): Ditto.
        (Specific): Ditto.

2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/cpp.texi: Replace "stringify"/"stringification" with C 
        standard terminology "stringize"/"stringizing" throughout.
        * doc/cppinternals.texi: Likewise.

2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi: Fix some spelling mistakes and typos.
        * doc/invoke.texi: Likewise.

2017-02-11  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/79224
        * params.def (inline-min-speedup) Change from 10 to 8.

2017-02-11  Jakub Jelinek  <jakub@redhat.com>

        * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
        4.5.

2017-02-11  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/79224
        * ipa-inline-analysis.c (get_minimal_bb): New function.
        (record_modified): Use it.
        (remap_edge_change_prob): Handle also ancestor functions.

2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi (Contributors): Remove broken link into
        the Mauve CVS repository.

2017-02-11  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/79454
        * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
        result computation whenever lhs doesn't have vector mode, not
        just when it has BLKmode.

2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/makefile.texi (profiledbootstrap): Refer to the
        installation instructions only in textual form.

2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

        PR target/79295
        * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.

2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
        (Specific): Update mingw-w64 reference.
        (Binaries): Ditto.
        (Specific): Remove broken link to Renesas RX processor.

2017-02-10  Richard Biener  <rguenther@suse.de>

        * toplev.c (process_options): Do not mention obsolete graphite
        options when printing sorry message about missing graphite support.
        Mention -floop-nest-optimize.

2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
        (vtst_p16): Likewise.
        (vtstq_p8): Likewise.
        (vtstq_p16): Likewise.
        (vtst_p64): New.
        (vtstq_p64): Likewise.
        * config/arm/arm_neon.h (vgetq_lane_p64): New.
        (vset_lane_p64): New.
        (vsetq_lane_p64): New.

2017-02-10  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/79411
        * tree-ssa-reassoc.c (is_reassociable_op): Return false if
        stmt operands are SSA_NAMEs used in abnormal phis.
        (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
        phis.

2017-02-09  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/70795
        * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
        flag if needed.

2017-02-09  Jan Hubicka  <hubicka@ucw.cz>

        * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.

2017-02-09  Jakub Jelinek  <jakub@redhat.com>

        * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
        to avoid warning.

        PR c/79413
        * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
        not arbitrary TREE_CONSTANT.

        PR c/79431
        * gimplify.c (gimplify_adjust_omp_clauses): Ignore
        "omp declare target link" attribute unless is_global_var.
        * omp-offload.c (find_link_var_op): Likewise.

2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
            Chung-Lin Tang  <cltang@codesourcery.com>

        * gimplify.c (gimplify_scan_omp_clauses): No special handling for
        OMP_CLAUSE_TILE.
        (gimplify_adjust_omp_clauses): Don't delete TILE.
        (gimplify_omp_for): Deal with TILE.
        * internal-fn.c (expand_GOACC_TILE): New function.
        * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
        (GOACC_TILE): New.
        * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
        (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
        element fields.
        (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
        avoid DIV for outermost collapse var.
        (expand_oacc_for): Insert tile element loop as needed.  Adjust.
        Remove out of date comments, fix whitespace.
        * omp-general.c (omp_extract_for_data): Deal with tiling.
        * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
        adjust OLF_DIM_BASE value.
        (struct omp_for_data): Add tiling field.
        * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
        (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
        for auto loops.  Remove default auto determining, moved to
        oacc_loop_fixed_partitions.
        * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
        stmts, add e_mask field.
        (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
        (oacc_thread_numbers): Use oacc_dim_call.
        (oacc_xform_tile): New.
        (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
        (finish_oacc_loop): Adjust for ifns vector.
        (oacc_loop_discover_walk): Append loop abstraction sites to list,
        add case for GOACC_TILE fns.
        (oacc_loop_xform_loop): Delete.
        (oacc_loop_process): Iterate over call list directly, and add
        handling for GOACC_TILE fns.
        (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
        dump partitioning.
        (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
        vector partitioning to outer loops.  Assign 2 partitions to loops
        when available. Add TILE handling.
        (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
        (execite_oacc_device_lower): Process GOACC_TILE fns, ignore unknown specs.
        * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
        * tree.c (omp_clause_num_ops): Adjust TILE ops.
        * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.

2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>

        * configure.ac (ACX_BUGURL): Update.
        * configure: Regenerate.

2017-02-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69823
        * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
        Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.

2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>

        * config/arc/arc-c.def: Add __NPS400__ definition.
        * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
        (TARGET_NPS400): Define.

2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>

        * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
        file.
        (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
        pointer, arch_info.
        (arc_cpu_types): Fill the arch_info field with a pointer into the
        arc_arch_types table.
        (arc_selected_cpu): Declare.
        * config/arc/arc.c (arc_selected_cpu): Make global.
        (arc_selected_arch): Delete.
        (arc_base_cpu): Delete.
        (arc_override_options): Remove references to deleted variables,
        update access to arch information.
        (ARC_OPT): Update access to arch information.
        (ARC_OPTX): Likewise.
        * config/arc/arc.h (arc_base_cpu): Remove declaration.
        (TARGET_ARC600): Update access to arch information.
        (TARGET_ARC601): Likewise.
        (TARGET_ARC700): Likewise.
        (TARGET_EM): Likewise.
        (TARGET_HS): Likewise.
        * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
        information.

2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>

        PR target/78604
        * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
        condition/operands for integer GE/LE/GEU/LEU operations.

2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>

        PR translation/79397
        * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
        of AltiVec.

2017-02-08  Martin Jambor  <mjambor@suse.cz>

        PR ipa/79375
        * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
        whether allocation happened.
        (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
        nothing was allocated.

2017-02-08  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/79408
        * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
        constant, but SSA_NAME with a known integer range, use the minimum
        of that range instead of op1 to determine if modulo can be replaced
        with its first operand.

2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.

2017-02-08  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/71824
        * graphite-scop-detection.c (scop_detection::build_scop_breadth):
        Check all loops contained in the merged region.

2017-02-07  Andrew Pinski  <apinski@cavium.com>

        * config/aarch64/aarch64.md (popcount<mode>2): New pattern.

2017-02-07  Andrew Pinski  <apinski@cavium.com>

        * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
        (thunderxt88): Likewise.
        (thunderxt81): Disable LSE and change v8.1 to v8.
        (thunderxt83): Likewise.

2017-02-07  Jakub Jelinek  <jakub@redhat.com>
            Richard Biener  <rguenther@suse.de>

        PR middle-end/79399
        * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
        type from int to size_t.
        * ira-costs.c (struct_costs_size): Change type from int to size_t.

2017-02-07  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/79386
        * cprop.c (bypass_conditional_jumps): Initialize
        bypass_last_basic_block already before splitting bbs after
        unconditional traps...
        (bypass_conditional_jumps): ... rather than here.

        PR target/79299
        * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
        (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
        *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
        fix -masm=intel patterns.

2017-02-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79256
        PR middle-end/79278
        * builtins.c (get_object_alignment_2): Use min_align_of_type
        to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
        and ADJUST_FIELD_ALIGN.

        * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
        type parameter.
        * doc/tm.texi: Regenerate.
        * stor-layout.c (layout_decl): Adjust.
        (update_alignment_for_field): Likewise.
        (place_field): Likewise.
        (min_align_of_type): Likewise.
        * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
        * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
        * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/frv/frv.c (frv_adjust_field_align): Likewise.
        * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/i386/i386.c (x86_field_alignment): Likewise.
        * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
         Likewise.

        Revert
        2017-01-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79256
        * targhooks.c (default_builtin_vector_alignment_reachable): Honor
        BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
        alignment on TYPE.

2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>

        * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
        argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
        builtins to SImode and emit a zero-extend, if necessary.

2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>

        * docs/invoke.texi (RISC-V Options): Alphabetize.

2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>

        * doc/invoke.texi (RISC-V Options): Use two spaces to separate
        options.

2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>

        * config/riscv/riscv.c: New file.
        * gcc/common/config/riscv/riscv-common.c: Likewise.
        * config.gcc: Likewise.
        * config/riscv/constraints.md: Likewise.
        * config/riscv/elf.h: Likewise.
        * config/riscv/generic.md: Likewise.
        * config/riscv/linux.h: Likewise.
        * config/riscv/multilib-generator: Likewise.
        * config/riscv/peephole.md: Likewise.
        * config/riscv/pic.md: Likewise.
        * config/riscv/predicates.md: Likewise.
        * config/riscv/riscv-builtins.c: Likewise.
        * config/riscv/riscv-c.c: Likewise.
        * config/riscv/riscv-ftypes.def: Likewise.
        * config/riscv/riscv-modes.def: Likewise.
        * config/riscv/riscv-opts.h: Likewise.
        * config/riscv/riscv-protos.h: Likewise.
        * config/riscv/riscv.h: Likewise.
        * config/riscv/riscv.md: Likewise.
        * config/riscv/riscv.opt: Likewise.
        * config/riscv/sync.md: Likewise.
        * config/riscv/t-elf-multilib: Likewise.
        * config/riscv/t-linux: Likewise.
        * config/riscv/t-linux-multilib: Likewise.
        * config/riscv/t-riscv: Likewise.
        * configure.ac: Likewise.
        * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
        Waterman as RISC-V maintainers.
        * doc/install.texi: Add RISC-V entries.
        * doc/invoke.texi: Add RISC-V options section.
        * doc/md.texi: Add RISC-V constraints section.
        * configure: Regenerated.

2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/66144
        * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
        false values to be constant vectors with all 0 or all 1 bits set.
        (vcondu<mode><mode>): Likewise.
        * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
        predicate.
        (fpmask_comparison_operator): Update comment.
        (vecint_comparison_operator): New predicate.
        * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
        vector conditionals when the true and false values are constant
        vectors with all 0 bits or all 1 bits set.

2017-02-06  Martin Sebor  <msebor@redhat.com>

        PR  tree-optimization/79376
        * gimple-fold.c (get_range_strlen): Set the minimum length to zero.

2017-02-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
        explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
        to simplify split condition.

2017-02-06  Jakub Jelinek  <jakub@redhat.com>

        * omp-expand.c (oxpand_omp_atomic_fetch_op,
        expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
        false.

2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/68664
        * target.def (can_speculate_insn): New hook.
        * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
        * doc/tm.texi: Regenerate.
        * sched-rgn.c (can_schedule_ready_p): Use the new hook.
        * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
        (rs6000_sched_can_speculate_insn): New function.

2017-02-06  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/79284
        * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
        * tree-vect-stmts.c (vect_get_vec_def_for_operand,
        vectorizable_mask_load_store, vectorizable_operation,
        vect_is_simple_cond, get_same_sized_vectype): Use it instead
        of comparing TREE_CODE of a type against BOOLEAN_TYPE.
        * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
        vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
        * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
        * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
        Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
        is_gimple_assign (stmt).  Replace another such test with
        is_gimple_assign (stmt).

2017-02-06  Georg-Johann Lay  <avr@gjlay.de>

        PR target/78883
        * config/avr/avr.c (rtl-iter.h): Include it.
        (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
        (avr_legitimate_combined_insn): ...and implementation.

2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
        * config/s390/s390.c (s390_const_operand_ok)
        (s390_canonicalize_comparison, s390_extract_part)
        (s390_single_part, s390_contiguous_bitmask_nowrap_p)
        (s390_contiguous_bitmask_p, s390_rtx_costs)
        (legitimize_pic_address): Likewise.
        * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
        * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
        ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
        ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
        * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.

2017-02-06  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
        REGNO($0) == REGNO($1).

2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/linux.h(SIZE_TYPE): Add comment.

2017-02-06  Julian Brown  <julian@codesourcery.com>
            Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
            Virendra Pathak  <virendra.pathak@broadcom.com>

        * config/aarch64/aarch64-cores.def: Change the scheduler
        to Thunderx2t99.
        * config/aarch64/aarch64.md: Include thunderx2t99.md.
        * config/aarch64/thunderx2t99.md: New file.

2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/standards.texi (Go Language): Update link to language
        standard.

2017-02-05  Jan Hubicka  <hubicka@ucw.cz>

        * tree-eh.c (lower_resx): Sanitize profile.
        (cleanup_empty_eh_move_lp): Likewise.

2017-02-05  Jan Hubicka  <hubicka@ucw.cz>

        PR tree-ssa/79347
        * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
        ELSE_PROB.
        * cfgloopmanip.h (loop_version): Update prototype.
        * modulo-sched.c (sms_schedule): Update call of loop_version.
        * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
        * tree-parloops.c (gen_parallel_loop): Likewise.
        * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
        * tree-ssa-loop-split.c (split_loop): Likewise.
        * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
        * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.

2017-02-05  Martin Liska  <mliska@suse.cz>

        PR bootstrap/78985
        * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
        variable to NULL.
        (print_operand_address): Initialize a struct to zero.

2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi (Contributors): Refer to Hans Boehm's
        garbage collector only in textual form.

2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
        
        * doc/extend.texi (x86 specific memory model extensions for
        transactional memory): Simplify a phrase.

2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/79353
        * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
        'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
        (atomic_storedi_1): Likewise.

2017-02-04  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/79338
        * tree-parloops.c (gather_scalar_reductions): Don't call
        vect_analyze_loop_form for loop->inner before destroying loop's
        loop_vinfo.

2017-02-03  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/79327
        * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
        when precision has resulted in leading zeros.
        (format_integer): Adjust the likely counter to assume an unknown
        argument that may be zero is non-zero.

2017-02-03  Jason Merrill  <jason@redhat.com>

        PR c++/78689
        * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
        avoid copying non-taken branch.

2017-02-03  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/79340
        * tree-vect-loop.c (vectorizable_reduction): Release
        vec_defs elements after safe_splicing them into other vectors.
        Formatting fixes.

        PR tree-optimization/79327
        * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
        true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
        dirtype.
        (format_integer): Use wide_int_to_tree instead of build_int_cst
        + to_?hwi.  If argmin is NULL, just set argmin and argmax to
        TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
        of shortest and longest sequence.

2017-02-03  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (dimode_scalar_chain::convert_reg):
        Use pextrd for TARGET_SSE4_1 when creating scalar copy.

2017-02-03  Walter Lee  <walt@tilera.com>

        PR target/78862
        * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
        after initial stackframe link reg save.
        * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.

2017-02-03  Jakub Jelinek  <jakub@redhat.com>

        PR target/79354
        * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
        wu for stxssp alternative.

2017-02-03  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/79352
        * gimple-fold.c (get_range_strlen): Add argument.
        (get_range_strlen): Change return type to bool.
        (get_maxval_strlen): Pass in a dummy argument.
        * gimple-fold.h (get_range_strlen): Change return type to bool.
        * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
        * tree.h (array_at_struct_end_p): Add argument.
        * tree.c (array_at_struct_end_p): Handle it.

2017-02-03  Martin Liska  <mliska@suse.cz>

        PR lto/66295
        * multiple_target.c (create_dispatcher_calls): Redirect edge
        from a caller of a dispatcher.
        (expand_target_clones): Make the clones local.
        (ipa_target_clone): Do both target clones and resolvers.
        (ipa_dispatcher_calls): Remove the pass.
        (pass_dispatcher_calls::gate): Likewise.
        (make_pass_dispatcher_calls): Likewise.
        * passes.def (pass_target_clone): Put as very first IPA early
        pass.

2017-02-03  Martin Liska  <mliska@suse.cz>

        * symtab.c (symtab_node::binds_to_current_def_p): Bail out
        in case of a function with ifunc attribute.

2017-02-03  Martin Liska  <mliska@suse.cz>

        * cgraph.c (cgraph_node::dump): Dump function version info.
        * symtab.c (symtab_node::dump_base): Add missing new line.

2017-02-02  Jan Hubicka  <hubicka@ucw.cz>

        * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
        (ifcombine_ifandif): Use it.

2017-02-03  Martin Liska  <mliska@suse.cz>

        * doc/invoke.texi: Document default value for
        use-after-scope-direct-emission-threshold.

2017-02-03  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/79339
        * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
        (format_floating): Likewise.

2017-02-03  Martin Liska  <mliska@suse.cz>

        PR ipa/79337
        * ipa-prop.c (ipa_node_params_t::insert): Remove current
        implementation.
        (ipa_node_params_t::remove): Likewise.
        * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
        initialization from removed ipa_node_params_t::insert.
        (ipa_node_params::~ipa_node_params): Move from removed
        ipa_node_params_t::release.
        * symbol-summary.h (symbol_summary::m_released): New member.
        Do not release a summary twice.  Do not allow to call finalizer
        for types of a summary that live in GGC memory.

2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>

        * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
        cmp_branch fusion.

2017-02-02  Martin Sebor  <msebor@redhat.com>

        PR middle-end/79275
        * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
        (format_string): Tighten up the range of output for non-constant
        strings and correct the expected range for wide non-constant strings.

2017-02-02  Martin Sebor  <msebor@redhat.com>

        * doc/invoke.texi (-maccumulate-args): Fix bad grammar.

        PR middle-end/32003
        * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
        index.
        (-fdump-tree-@var): Add to index and document how to come up
        with pass-specific option and dump file names.
        (-fdump-passes): Clarify where to look for output.

2017-02-02  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/77445
        * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
        statistics of the analyzed path; allow threading for speed when
        any of BBs along the path are optimized for speed.

2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/78468
        * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
        settings of the virtual registers.

        Revert again
        2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * explow.c (get_dynamic_stack_size): Take known alignment of stack
        pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
        needed.

2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
        ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.

2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md: Add missing comments with the expanded
        mnemonics.
        * config/s390/vector.md: Likewise.
        * config/s390/vx-builtins.md: Likewise.

2017-02-02  Jakub Jelinek  <jakub@redhat.com>

        PR target/79197
        * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
        (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
        conditions on a single line.

2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
        __S390_VX__ to __VX__.

2017-02-01  Andrew Pinski  <apinski@cavium.com>

        * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
        stmt_info to record_stmt_cost.
        (vect_get_known_peeling_cost): Pass stmt_info if known to
        record_stmt_cost.
        * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
        cpu_vector_cost field into
        scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
        field into vec_int_stmt_cost and vec_fp_stmt_cost.
        * config/aarch64/aarch64.c (generic_vector_cost): Update for the
        splitting of scalar_stmt_cost and vec_stmt_cost.
        (thunderx_vector_cost): Likewise.
        (cortexa57_vector_cost): LIkewise.
        (exynosm1_vector_cost): Likewise.
        (xgene1_vector_cost): Likewise.
        (thunderx2t99_vector_cost): Improve after the splitting of the two
        fields.
        (aarch64_builtin_vectorization_cost): Update for the splitting of
        scalar_stmt_cost and vec_stmt_cost.

2017-02-01  Torvald Riegel  <triegel@redhat.com>
            Richard Henderson  <rth@redhat.com>

        * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
        conditional on existance of a fast atomic load.
        * optabs-query.c (can_atomic_load_p): New function.
        * optabs-query.h (can_atomic_load_p): Declare it.
        * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
        no fast atomic load is available for the particular size of access.
        (expand_atomic_compare_and_swap): Likewise.
        (expand_atomic_load): Likewise.
        (expand_atomic_store): Likewise.
        (expand_atomic_fetch_op): Likewise.
        * testsuite/lib/target-supports.exp
        (check_effective_target_sync_int_128): Remove x86 because it provides
        no fast atomic load.
        (check_effective_target_sync_int_128_runtime): Likewise.

2017-02-01  Richard Biener  <rguenther@suse.de>

        * graphite.c: Include tree-vectorizer.h for find_loop_location.
        (graphite_transform_loops): Provide opt-info for optimized nests.
        * tree-parloop.c (parallelize_loops): Provide opt-info for
        parallelized loops.

2017-02-01  Richard Biener  <rguenther@suse.de>

        PR middle-end/79315
        * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
        was not set before.

2017-02-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/71824
        * graphite-scop-detection.c (scop_detection::build_scop_breadth):
        Verify the loops are valid in the merged SESE region.
        (scop_detection::can_represent_loop_1): Check analyzing the
        evolution of the number of iterations in the region succeeds.

2017-01-31  Ian Lance Taylor  <iant@golang.org>

        * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
        REG_ARGS_SIZE note to 32-bit push insns and call insn.

2017-01-31  David Malcolm  <dmalcolm@redhat.com>

        PR preprocessor/79210
        * input.c (get_substring_ranges_for_loc): Replace line_width
        assertion with error-handling.

2017-01-31  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/77318
        * graphite-sese-to-poly.c (extract_affine): Fix assert.
        (create_pw_aff_from_tree): Take loop parameter.
        (add_condition_to_pbb): Pass loop of the condition to
        create_pw_aff_from_tree.

2017-01-31  Jakub Jelinek  <jakub@redhat.com>

        * config/s390/s390.c (s390_asan_shadow_offset): New function.
        (TARGET_ASAN_SHADOW_OFFSET): Redefine.

2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/78597
        PR target/79038
        * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
        no longer used.
        (convert_int_to_float128): Likewise.
        * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
        (convert_int_to_float128): Likewise.
        * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
        (UNSPEC_IEEE128_CONVERT): Likewise.
        (floatsi<mode>2, FLOAT128 iterator): Bypass calling
        rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
        Use local variables for IBM extended format.
        (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
        (fix_trunc<mode>si2_fprs): Likewise.
        (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
        (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
        (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
        to know that we can now have integers of all sizes in vector
        registers.
        (fix<uns>_<mode>di2_hw): Likewise.
        (float<uns>_<mode>si2_hw): Likewise.
        (fix_<mode>si2_hw): Likewise.
        (fixuns_<mode>si2_hw): Likewise.
        (float<uns>_<mode>di2_hw): Likewise.
        (float_<mode>di2_hw): Likewise.
        (float_<mode>si2_hw): Likewise.
        (floatuns_<mode>di2_hw): Likewise.
        (floatuns_<mode>si2_hw): Likewise.
        (xscvqp<su>wz_<mode>): Delete, no longer used.
        (xscvqp<su>dz_<mode>): Likewise.
        (xscv<su>dqp_<mode>): Likewise.
        (ieee128_mfvsrd_64bit): Likewise.
        (ieee128_mfvsrd_32bit): Likewise.
        (ieee128_mfvsrwz): Likewise.
        (ieee128_mtvsrw): Likewise.
        (ieee128_mtvsrd_64bit): Likewise.
        (ieee128_mtvsrd_32bit): Likewise.

2017-01-31  Martin Liska  <mliska@suse.cz>

        PR ipa/79285
        * ipa-prop.c (ipa_free_all_node_params): Call release method
        instead of ~sumbol_summary to not to trigger double times
        dtor of hash_map.

2017-01-31  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/71691
        * bitmap.h (class auto_bitmap): New.
        * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
        is_maybe_undefined instead of ssa_undefined_value_p.

2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
        __S390_ARCH_LEVEL__ to __ARCH__.

2017-01-31  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/79267
        * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
        if should_remove_lhs_p is true.

2017-01-30  Alexandre Oliva <aoliva@redhat.com>

        PR debug/63238
        * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
        (add_alignment_attribute): New.
        (base_type_die): Add alignment attribute.
        (subrange_type_die): Likewise.
        (modified_type_die): Likewise.
        (gen_array_type_die): Likewise.
        (gen_descr_array_type_die: Likewise.
        (gen_enumeration_type_die): Likewise.
        (gen_subprogram_die): Likewise.
        (gen_variable_die): Likewise.
        (gen_field_die): Likewise.
        (gen_ptr_to_mbr_type_die): Likewise.
        (gen_struct_or_union_type_die): Likewise.
        (gen_subroutine_type_die): Likewise.
        (gen_typedef_die): Likewise.
        (base_type_cmp): Compare alignment attribute.

2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

        PR target/79170
        * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
        (setb_unsigned) New pattern for setb with CCUNS.
        * config/rs6000/rs6000.c (expand_block_compare): Use a different
        subfc./subfe sequence to avoid overflow problems.  Generate a
        shorter sequence with cmpld/setb for power9.
        * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
        for generating subfc. instruction.
        (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
        now uses this instruction.

2017-01-30  Ian Lance Taylor  <iant@google.com>

        PR debug/79289
        * dwarf2out.c (gen_type_die_with_usage): When picking a variant
        for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.

2017-01-30  Martin Sebor  <msebor@redhat.com>

        * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
        Move constant to the right of a relational operator.
        (get_mpfr_format_length, format_character, format_string): Ditto.
        (should_warn_p, maybe_warn): Same.

        * doc/invoke.texi (-Wformat-truncation=1): Fix typo.

2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>

        PR lto/79061
        * asan.c (get_translation_unit_decl): Remove function.
        (asan_add_global): Force has_dynamic_init to zero in LTO mode.

2017-01-30  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/79259
        * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
        -fprofile-generate.

2017-01-30  Martin Liska  <mliska@suse.cz>

        PR bootstrap/78985
        * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
        Initialize variables with NULL value.

2017-01-30  Richard Earnshaw  <rearnsh@arm.com>

        PR target/79260
        * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
        tm_p_file.
        * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.

2017-01-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79276
        * tree-vrp.c (process_assert_insertions): Properly adjust common
        when removing a duplicate.

        * gcc.dg/torture/pr79276.c: New testcase.

2017-01-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79256
        * targhooks.c (default_builtin_vector_alignment_reachable): Honor
        BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
        alignment on TYPE.
        * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.

2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        PR target/79240
        * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
        ("*r<noxa>sbg_<mode>_sll_bitmask")
        ("*extzv_<mode>_srl<clobbercc_or_nocc>")
        ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
        Use contiguous_bitmask_nowrap_operand.

2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR target/79268
        * config/rs6000/altivec.h (vec_xl): Revise #define.
        (vec_xst): Likewise.

2017-01-27  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.

2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>

        PR rtl-optimization/79194
        * cprop.c (one_cprop_pass): Move deletion of code after unconditional
        traps before call to bypass_conditional_jumps.

2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>

        PR tree-optimization/71374
        * lra-constraints.c (check_conflict_input_operands): New.
        (match_reload): Use it.

2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/79131
        * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
        account to calculate conflict_set.

2017-01-27  Bin Cheng  <bin.cheng@arm.com>

        PR rtl-optimization/78559
        * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
        other_insn in combine.

2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>

        * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
        uint16_type_node for BT_UINT16.

2017-01-27  David Malcolm  <dmalcolm@redhat.com>

        * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
        "RTL Tests" to menu.
        (GIMPLE Tests): New node.
        (RTL Tests): New node.

2017-01-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79245
        * tree-loop-distribution.c (distribute_loop): Apply cost
        modeling also to detected patterns.

2017-01-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/71433
        * tree-vrp.c (register_new_assert_for): Revert earlier changes.
        (compare_assert_loc): New function.
        (process_assert_insertions): Sort and optimize assert locations
        to remove duplicates and push down identical assertions on
        edges to their destination block.

2017-01-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79244
        * tree-vrp.c (remove_range_assertions): Forcefully propagate
        out SSA names even if abnormal.

2017-01-27  Jakub Jelinek  <jakub@redhat.com>

        * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
        * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
        instead of MPFR_RNDN.

2017-01-27  Richard Earnshaw  <rearnsha@arm.com>

        PR target/79239
        * arm.c (arm_option_override): Don't call build_target_option_node
        until after doing all option overrides.
        (arm_valid_target_attribute_tree): Likewise.

2017-01-27  Martin Liska  <mliska@suse.cz>

        * doc/invoke.texi (-fprofile-arcs): Document profiling support
        for {cd}tors and C++ {cd}tors.

2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.md ("*setmem_long_and")
        ("*setmem_long_and_31z"): Use zero_extend instead of and.

2017-01-26  Martin Sebor  <msebor@redhat.com>

        * gimple-ssa-sprintf.c (format_floating): Simplify the computation
        of precision.

2017-01-26  Martin Sebor  <msebor@redhat.com>

        * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
        HAVE_DFmode before using XFmode or DFmode.
        (parse_directive): Avoid using the z length modifier to avoid
        the ISO C++98 does not support the ‘z’ gnu_printf length modifier.

        PR middle-end/78703
        * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
        to accept adjustment as an array.
        (get_int_range): New function.
        (struct directive): Make width and prec arrays.
        (directive::set_width, directive::set_precision): Call get_int_range.
        (format_integer, format_floating): Handle width and precision ranges.
        (format_string, parse_directive): Same.

2017-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR debug/79129
        * dwarf2out.c (generate_skeleton_bottom_up): For children with
        comdat_type_p set, just clone them, but keep the children in the
        original DIE.

        PR debug/78835
        * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
        which have direct callers with -fvar-tracking-assignments enabled
        in the current TU.
        (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
        inside of type units.

2017-01-26  Martin Sebor  <msebor@redhat.com>

        PR middle-end/78703
        * gimple-ssa-sprintf.c (struct result_range): Add likely and
        unlikely counters.
        (struct format_result): Replace number_chars, number_chars_min,
        and number_chars_max with a single member of struct result_range.
        Remove bounded.
        (format_result::operator+=): Adjust.
        (struct fmtresult): Remove bounded.  Handle likely and unlikely
        counters.
        (fmtresult::adjust_for_width_or_precision): New function.
        (fmtresult:type_max_digits): New function.
        (bytes_remaining): Handle likely and unlikely counters.
        (min_bytes_remaining): Remove.
        (format_percent): Simplify.
        (format_integer, format_floating): Set likely and unlikely counters.
        (get_string_length, format_character, format_string): Same.
        (format_plain, should_warn_p): New function.
        (maybe_warn): Call should_warn_p.  Update diagnostic messages
        and handle those for all directives, including plain strings.
        (format_directive): Handle likely and unlikely counters.
        Remove unnecessary quoting from diagnostics.  Add an informational
        note.
        (add_bytes): Remove.
        (pass_sprintf_length::compute_format_length): Simplify.
        (try_substitute_return_value): Handle likely and unlikely counters.

2017-01-26  Carl Love  <cel@us.ibm.com>

        * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
        bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins

2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/79131
        * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
        endianess for subregs into account.
        * lra-constraints.c (lra_constraints): Do risky transformations
        always on the first iteration.
        * lra-lives.c (check_pseudos_live_through_calls): Add arg
        last_call_used_reg_set.
        (process_bb_lives): Define and use last_call_used_reg_set.
        * lra.c (lra): Always continue after lra_constraints on the first
        iteration.

2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>

        * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
        constant.
        * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.

2017-01-26  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/avx512fintrin.h (_ktest_mask16_u8,
        _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
        * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
        _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
        * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
        __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
        OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
        * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
        (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.

2017-01-26  Marek Polacek  <polacek@redhat.com>

        PR c/79199
        * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
        for the third operand.

2017-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/79236
        * omp-low.c (struct omp_context): Add simt_stmt field.
        (scan_omp_for): Return omp_context *.
        (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
        context to the _simt_ SIMD stmt.
        (lower_omp_for): For combined SIMD with sibling _simt_
        SIMD, make sure to use the same decls in _looptemp_
        clauses as in the sibling.

2017-01-26  David Sherwood  <david.sherwood@arm.com>

        PR middle-end/79212
        * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
        all contexts.

2017-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR target/70465
        * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
        emit fld b; fld a; if possible.

        * brig-builtins.def: Update copyright years.
        * config/arm/arm_acle_builtins.def: Update copyright years.

2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/79179
        * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
        constraint instead of o for the stxsd instruction.

2017-01-25  Carl Love  <cel@us.ibm.com>

        * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
        of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.

2017-01-25  Jonathan Wakely  <jwakely@redhat.com>

        * doc/invoke.texi (C++ Dialect Options): Fix typo.

2017-01-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69264
        * target.def (vector_alignment_reachable): Improve documentation.
        * doc/tm.texi: Regenerate.
        * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
        and add a comment.
        * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
        earlier changes with respect to TYPE_USER_ALIGN.
        (vector_alignment_reachable_p): Likewise.  Improve dumping.

2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/79145
        * config/arm/arm.md (xordi3): Force constant operand into a register
        for TARGET_IWMMXT.

2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * doc/invoke.texi (-fstore-merging): Correct default optimization
        levels at which it is enabled.
        (-O): Move -fstore-merging from list to...
        (-O2): ... Here.

2017-01-25  Richard Biener  <rguenther@suse.de>

        PR debug/78363
        * omp-expand.c: Include debug.h.
        (expand_omp_taskreg): Make sure to generate early debug before
        outlining anything from a function.
        (expand_omp_target): Likewise.
        (grid_expand_target_grid_body): Likewise.

2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>

        PR lto/79061
        * asan.c (get_translation_unit_decl): New function.
        (asan_add_global): Extract modules file name from globals
        TRANSLATION_UNIT_DECL name.

2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/77439
        * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
        for long calls with APCS frame and VFP.

2017-01-24  David Malcolm  <dmalcolm@redhat.com>

        * cfg.c (original_copy_tables_initialized_p): New function.
        * cfg.h (original_copy_tables_initialized_p): New decl.
        * cfgrtl.c (relink_block_chain): Guard the call to
        free_original_copy_tables with a call to
        original_copy_tables_initialized_p.
        * cgraph.h (symtab_node::native_rtl_p): New decl.
        * cgraphunit.c (symtab_node::native_rtl_p): New function.
        (symtab_node::needed_p): Don't assert for early assembly output
        for __RTL functions.
        (cgraph_node::finalize_function): Set "force_output" for __RTL
        functions.
        (cgraph_node::analyze): Bail out early for __RTL functions.
        (analyze_functions): Update assertion to support __RTL functions.
        (cgraph_node::expand): Bail out early for __RTL functions.
        * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
        __RTL functions.
        * function.h (struct function): Update comment for field
        "pass_startwith".
        * gimple-expr.c: Include "tree-pass.h".
        (gimple_has_body_p): Return false for __RTL functions.
        * Makefile.in (OBJS): Add run-rtl-passes.o.
        * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
        accessor.
        (gcc::pass_manager::get_clean_slate): New accessor.
        * passes.c: Include "insn-addr.h".
        (should_skip_pass_p): Add logging.  Update logic for running
        "expand" to be compatible with both __GIMPLE and __RTL.  Guard
        property-provider override so it is only done for gimple passes.
        Don't skip dfinit.
        (skip_pass): New function.
        (execute_one_pass): Call skip_pass when skipping passes.
        * read-md.c (md_reader::read_char): Support filtering
        the input to a subset of line numbers.
        (md_reader::md_reader): Initialize fields
        m_first_line and m_last_line.
        (md_reader::read_file_fragment): New function.
        * read-md.h (md_reader::read_file_fragment): New decl.
        (md_reader::m_first_line): New field.
        (md_reader::m_last_line): New field.
        * read-rtl-function.c (function_reader::create_function): Only
        create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
        curr_properties.  Set DECL_INITIAL to a dummy block.
        (read_rtl_function_body_from_file_range): New function.
        * read-rtl-function.h (read_rtl_function_body_from_file_range):
        New decl.
        * run-rtl-passes.c: New file.
        * run-rtl-passes.h: New file.

2017-01-24 Jeff Law  <law@redhat.com>

        * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
        buffer size.

2017-01-24  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/79159
        * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
        (record_nonwrapping_iv): Improve boundary using above function if no
        value range information.

2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
            Martin Jambor  <mjambor@suse.cz>

        * brig-builtins.def: New file.
        * builtins.def (DEF_HSAIL_BUILTIN): New macro.
        (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
        (DEF_HSAIL_SAT_BUILTIN): Likewise.
        (DEF_HSAIL_INTR_BUILTIN): Likewise.
        (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
        * builtin-types.def (BT_INT8): New.
        (BT_INT16): Likewise.
        (BT_UINT8): Likewise.
        (BT_UINT16): Likewise.
        (BT_FN_ULONG): Likewise.
        (BT_FN_UINT_INT): Likewise.
        (BT_FN_UINT_ULONG): Likewise.
        (BT_FN_UINT_LONG): Likewise.
        (BT_FN_UINT_PTR): Likewise.
        (BT_FN_ULONG_PTR): Likewise.
        (BT_FN_INT8_FLOAT): Likewise.
        (BT_FN_INT16_FLOAT): Likewise.
        (BT_FN_UINT32_FLOAT): Likewise.
        (BT_FN_UINT16_FLOAT): Likewise.
        (BT_FN_UINT8_FLOAT): Likewise.
        (BT_FN_UINT64_FLOAT): Likewise.
        (BT_FN_UINT16_UINT32): Likewise.
        (BT_FN_UINT32_UINT16): Likewise.
        (BT_FN_UINT16_UINT16_UINT16): Likewise.
        (BT_FN_INT_PTR_INT): Likewise.
        (BT_FN_UINT_PTR_UINT): Likewise.
        (BT_FN_LONG_PTR_LONG): Likewise.
        (BT_FN_ULONG_PTR_ULONG): Likewise.
        (BT_FN_VOID_UINT64_UINT64): Likewise.
        (BT_FN_UINT8_UINT8_UINT8): Likewise.
        (BT_FN_INT8_INT8_INT8): Likewise.
        (BT_FN_INT16_INT16_INT16): Likewise.
        (BT_FN_INT_INT_INT): Likewise.
        (BT_FN_UINT_FLOAT_UINT): Likewise.
        (BT_FN_FLOAT_UINT_UINT): Likewise.
        (BT_FN_ULONG_UINT_UINT): Likewise.
        (BT_FN_ULONG_UINT_PTR): Likewise.
        (BT_FN_ULONG_ULONG_ULONG): Likewise.
        (BT_FN_UINT_UINT_UINT): Likewise.
        (BT_FN_VOID_UINT_PTR): Likewise.
        (BT_FN_UINT_UINT_PTR: Likewise.
        (BT_FN_UINT32_UINT64_PTR): Likewise.
        (BT_FN_INT_INT_UINT_UINT): Likewise.
        (BT_FN_UINT_UINT_UINT_UINT): Likewise.
        (BT_FN_UINT_UINT_UINT_PTR): Likewise.
        (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
        (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
        (BT_FN_LONG_LONG_UINT_UINT): Likewise.
        (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
        (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
        (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
        (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
        (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
        (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
        * doc/frontends.texi: List BRIG FE.
        * doc/install.texi (Testing): Add BRIG tesring requirements.
        * doc/invoke.texi (Overall Options): Mention BRIG.
        * doc/standards.texi (Standards): Doucment BRIG HSA version.

2017-01-24  Richard Biener  <rguenther@suse.de>

        PR translation/79208
        * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.

2017-01-24  Martin Jambor  <mjambor@suse.cz>

        PR bootstrap/79198
        * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
        * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
        and known_contexts.

2017-01-24  Aldy Hernandez  <aldyh@redhat.com>

        PR middle-end/79123
        * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
        casts from signed to unsigned really don't have a range.

2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>

        * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
        GMP_RNDx for compatiblity.

2017-01-24  Martin Liska  <mliska@suse.cz>

        PR bootstrap/79132
        * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
        that would prevent us to call alloca with -1 as argument.

2017-01-24  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (output_compilation_unit_header, output_file_names):
        Avoid -Wformat-security warning.

2017-01-23  Andrew Pinski  <apinski@cavium.com>

        * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
        cost table.

2017-01-23  Martin Sebor  <msebor@redhat.com>

        PR middle-end/78703
        * gimple-ssa-sprintf.c (warn_level): New global.
        (format_integer): Use it here and throughout the rest of the file.
        Use the same switch to compute sign as base.
        (maybe_warn): New function.
        (format_directive): Factor out warnings into maybe_warn.
        Add debugging output.  Use warn_level.
        (add_bytes): Use warn_level.
        (pass_sprintf_length::compute_format_length): Add debugging output.
        (try_substitute_return_value): Same.
        (pass_sprintf_length::handle_gimple_call): Set and use warn_level.

        PR middle-end/78703
        * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
        (struct fmtresult, format_integer, format_floating): Adjust.
        (fmtresult::fmtresult): Set max correctly in two argument ctor.
        (get_string_length, format_string,format_directive): Same.
        (pass_sprintf_length::compute_format_length): Same.
        (try_substitute_return_value): Simplify slightly.

        PR middle-end/78703
        * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
        (fmtresult::operator+=): Outlined.
        (struct fmtresult): Add ctors.
        (struct conversion_spec): Rename...
        (struct directive): ...to this.  Add and remove data members.
        (directive::set_width, directive::set_precision): New functions.
        (format_percent): Use fmtresult ctor.
        (get_width_and_precision): Remove.
        (format_integer): Make naming changes.  Avoid computing width and
        precision.
        (format_floating): Same.  Adjust indentation.
        (format_character, format_none): New functions.
        (format_string): Moved character handling to format_character.
        (format_directive): Remove arguments, change return type.
        (parse_directive): New function.
        (pass_sprintf_length::compute_format_length): Move directive
        parsing to parse_directive.

2017-01-23  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (assign_assembler_name_if_neeeded): Rename to ...
        (assign_assembler_name_if_needed): ... this.
        * tree.c (assign_assembler_name_if_neeeded): Rename to ...
        (assign_assembler_name_if_needed): ... this.
        (free_lang_data_in_cgraph): Adjust callers.
        * cgraphunit.c (cgraph_node::analyze): Likewise.
        * omp-expand.c (expand_omp_taskreg, expand_omp_target):
        Likewise.

2017-01-23  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79088
        PR tree-optimization/79188
        * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
        resetting loop bounds after last path deletion.  Reset loop
        bounds of the target loop, make code match the comments.
        * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
        Make sure loops need no fixups.

2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
        exponent support with double type for first argument.
        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
        type returned by __builtin_vec_extract_sig,
        __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
        functions from "vector int" to "vector unsigned int" or from
        "vector long long int" to "vector unsigned long long int".
        Changed type returned by __builtin_vec_extract_exp,
        __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
        functions from "vector int" to "vector unsigned int" or from
        "vector long long int" to "vector unsigned long long int".
        Changed return type of __builtin_vec_test_data_class,
        __builtin_vec_test_data_class_sp, and
        __builtin_vec_test_data_class_dp from "vector int" to
        "vector bool int" or from "vector long long int" to "vector bool
        long long int" and changed second argument type from "unsigned
        int" to "int".  Added new overloaded function forms "vector float
        __builtin_vec_insert_exp (vector float, vector unsigned int)" and
        "vector float __builtin_vec_insert_exp_sp (vector float, vector
        unsigned int)" and "vector double __builtin_vec_insert_exp (vector
        double, vector unsigned long long int)" and "vector double
        __builtin_vec_insert_exp_dp (vector double, vector unsigned long
        long int)".  Changed return type of
        __builtin_scalar_test_data_class and
        __builtin_scalar_test_data_class_sp and
        __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
        int" and changed second argument from "unsigned int" to "int".
        Changed type returned by __builtin_scalar_test_neg,
        __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
        from "int" to "bool int".  Added new overloaded function form
        "double __builtin_scalar_insert_exp (double, unsigned long long int)".
        * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
        exponent double-precision with floating point first argument.
        * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
        documentation of scalar_test_data_class, scalar_test_neg,
        scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
        vector_extract_exp, vec_extract_sig, vec_insert_exp, and
        vec_test_data_class built-in functions to reflect refinements in
        their type signatures.

2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>

        * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
        size of buf.
        (aarch64_elf_asm_destructor): Likewise.

2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>

        PR rtl-optimization/78634
        * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
        (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
        * ifcvt.c (noce_try_cmove): Add missing cost check.

        PR rtl-optimization/71724
        * combine.c (if_then_else_cond): Look for situations where it is
        beneficial to undo the work of one of the recursive calls.

2017-01-23  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/70754
        * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
        (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
        combined stmt before it if not NULL.
        (combine_chains): Process refs reversely and compute dominance point
        for root ref.

2017-01-23  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/79196
        * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
        (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
        instead of memcmp.
        (strlen_optimize_stmt): Call the renamed function.

2017-01-23  Michael Matz  <matz@suse.de>

        PR tree-optimization/78384
        * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.

2017-01-23  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79186
        * tree-vrp.c (register_new_assert_for): Make sure we've seen
        both incoming edges before moving an assert.

2017-01-23  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.c (load_from_param_1): Removed.
        (load_from_unmodified_param): Bits from load_from_param_1 put back
        here.
        (load_from_param): Removed.
        (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
        with stmt.  Reverted back to use of load_from_unmodified_param.

2017-01-23  Martin Jambor  <mjambor@suse.cz>

        PR ipa/79108
        * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
        (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
        field a pointer to garbage collected vector, mark lattices and
        ipcp_orig_node with GTY((skip)).
        (ipa_get_param_count): Adjust to descriptors being a pointer.
        (ipa_get_param): Likewise.
        (ipa_get_type): Likewise.
        (ipa_get_param_move_cost): Likewise.
        (ipa_set_param_used): Likewise.
        (ipa_get_controlled_uses): Likewise.
        (ipa_set_controlled_uses): Likewise.
        (ipa_is_param_used): Likewise.
        (ipa_node_params_t): Move into garbage collector.  New methods insert
        and remove.
        (ipa_node_params_sum): Annotate wth GTY(()).
        (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
        garbage collected.
        (ipa_load_from_parm_agg): Adjust declaration.
        * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
        * ipa-profile.c (ipa_profile): Likewise.
        * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
        (ipa_populate_param_decls): Make descriptors parameter garbage
        collected.
        (ipa_dump_param): Adjust to descriptors being a pointer.
        (ipa_alloc_node_params): Likewise.
        (ipa_initialize_node_params): Likewise.
        (load_from_param_1): Make descriptors parameter garbage collected.
        (load_from_unmodified_param): Likewise.
        (load_from_param): Likewise.
        (ipa_load_from_parm_agg): Likewise.
        (ipa_node_params::~ipa_node_params): Removed.
        (ipa_free_all_node_params): Remove call to delete operator.
        (ipa_node_params_t::insert): New.
        (ipa_node_params_t::remove): Likewise.
        (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
        copy known_csts and known_contexts vectors.
        (ipa_read_node_info): Adjust to descriptors being a pointer.
        (ipcp_modif_dom_walker): Make m_descriptors field garbage
        collected.
        (ipcp_transform_function): Make descriptors variable garbage
        collected.

2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>

        * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
        * config/i386/avx512dqintrin.h: Ditto.
        * config/i386/avx512fintrin.h: Ditto.
        * gcc/config/i386/i386.c: Handle new builtins.
        * config/i386/i386-builtin.def: Add new builtins.
        * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
        (UNSPEC_KORTEST, UNSPEC_KTEST): New.

2017-01-23  Jakub Jelinek  <jakub@redhat.com>
            Martin Liska  <mliska@suse.cz>

        * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
        * asan.c (asan_expand_poison_ifn): Support stores and use
        appropriate ASAN report function.
        * internal-fn.c (expand_ASAN_POISON_USE): New function.
        * internal-fn.def (ASAN_POISON_USE): Declare.
        * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
        (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
        * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
        ASAN_POISON calls w/o LHS.
        * tree-ssa.c (execute_update_addresses_taken): Create clobber
        for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
        from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
        * gimplify.c (asan_poison_variables): Add attribute
        use_after_scope_memory to variables that really needs to live
        in memory.
        * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
        having the attribute.

2017-01-23  Martin Liska  <mliska@suse.cz>

        * asan.c (create_asan_shadow_var): New function.
        (asan_expand_poison_ifn): Likewise.
        * asan.h (asan_expand_poison_ifn): New declaration.
        * internal-fn.c (expand_ASAN_POISON): Likewise.
        * internal-fn.def (ASAN_POISON): New builtin.
        * sanopt.c (pass_sanopt::execute): Expand
        asan_expand_poison_ifn.
        * tree-inline.c (copy_decl_for_dup_finish): Make function
        external.
        * tree-inline.h (copy_decl_for_dup_finish): Likewise.
        * tree-ssa.c (is_asan_mark_p): New function.
        (execute_update_addresses_taken): Rewrite local variables
        (identified just by use-after-scope as addressable) into SSA.

2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Specific): opensource.apple.com uses https
        now. Remove trailing slash.

2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>

        * README.Portability: Remove note on an Irix compatibility issue.

2017-01-22  Dimitry Andric <dim@FreeBSD.org>

        * gcov.c (INCLUDE_ALGORITHM): Define.
        (INCLUDE_VECTOR): Define.
        No longer include <vector> and <algorithm> directly.

2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
        to https.
        * doc/invoke.texi (Code Gen Options): Ditto.

2017-01-21  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/78407
        * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.

2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>

        rtl-optimization/79125
        * cprop.c (local_cprop_pass): Handle cases where we make an
        unconditional trap.

2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/61729
        PR target/77850
        * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
        read from, for big endian.

2017-01-20  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
        register pauth builtins for LP64 only.

2017-01-20  Marek Polacek  <polacek@redhat.com>

        PR c/79152
        * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
        non-case labels.

2017-01-20  Alexander Monakov  <amonakov@ispras.ru>

        * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
        of safelen status.
        * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
        * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
        * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.

2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/71270
        * config/arm/arm.c (neon_valid_immediate): Reject vector constants
        in big-endian mode when they are not a single duplicated value.

2017-01-20  Richard Biener  <rguenther@suse.de>

        * BASE-VER: Bump to 7.0.1.

2017-01-20  Alexander Monakov  <amonakov@ispras.ru>

        * omp-low.c (omplow_simd_context): New struct.  Use it...
        (lower_rec_simd_input_clauses): ...here and...
        (lower_rec_input_clauses): ...here to hold common data.  Adjust all
        references to idx, lane, max_vf, is_simt.

2017-01-20  Graham Markall  <graham.markall@embecosm.com>

        * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
        mcpu=nps400.

2017-01-20  Martin Jambor  <mjambor@suse.cz>

        * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
        * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
        gt-hsa-common.h.
        * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
        (GTFILES): Rename hsa.c to hsa-common.c.
        * hsa-brig.c: Change include of hsa.h to hsa-common.h.
        * hsa-dump.c: Likewise.
        * hsa-gen.c: Likewise.
        * hsa-regalloc.c: Likewise.
        * ipa-hsa.c: Likewise.
        * omp-expand.c: Likewise.
        * omp-low.c: Likewise.
        * toplev.c: Likewise.

2017-01-20  Marek Polacek  <polacek@redhat.com>

        PR c/64279
        * doc/invoke.texi: Document -Wduplicated-branches.
        * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
        COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
        POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
        STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
        return 0 only when not OEP_LEXICOGRAPHIC.
        (fold_build_cleanup_point_expr): Use the expression
        location when building CLEANUP_POINT_EXPR.
        * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
        * tree.c (add_expr): Handle error_mark_node.

2017-01-20  Martin Liska  <mliska@suse.cz>

        PR lto/69188
        * tree-profile.c (init_ic_make_global_vars): Do not call
        finalize_decl.
        (gimple_init_gcov_profiler): Likewise.

2017-01-20  Martin Liska  <mliska@suse.cz>

        PR ipa/71190
        * cgraph.h (maybe_create_reference): Remove argument and
        update comment.
        * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
        argument.
        * ipa-cp.c (create_specialized_node): Likewise.
        * symtab.c (symtab_node::maybe_create_reference): Handle
        VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.

2017-01-20  Martin Liska  <mliska@suse.cz>

        * read-rtl-function.c (function_reader::create_function): Use
        build_decl instread of build_decl_stat.

2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>

        * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
        * config/i386/avx512dqintrin.h: Ditto.
        * config/i386/avx512fintrin.h: Ditto.
        * config/i386/i386-builtin-types.def: Add new types.
        * gcc/config/i386/i386.c: Handle new types.
        * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
        (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
        (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
        (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
        (__builtin_ia32_kshiftridi): New.
        * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.

2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/78875
        PR target/79140
        * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
        define to rs6000_init_stack_protect_guard.
        (rs6000_init_stack_protect_guard): New function.

2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
            Yunqiang Su  <yunqiang.su@imgtec.com>

        * config.gcc (supported_defaults): Add madd4.
        (with_madd4): Add validation.
        (all_defaults): Add madd4.
        * config/mips/mips.opt (mmadd4): New option.
        * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
        mmadd4.
        (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
        __mips_no_madd4.
        (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
        (ISA_HAS_FUSED_MADD4): Likewise.
        * gcc/doc/invoke.texi (-mmadd4): Document the new option.
        * gcc/doc/install.texi (--with-madd4): Document the new option.

2017-01-19  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
        entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
        AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
        (aarch64_init_pauth_hint_builtins): New.
        (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
        (aarch64_expand_builtin): Expand new builtins.

2017-01-19  Jiong Wang  <jiong.wang@arm.com>

        * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
        * combine-stack-adj.c (no_unhandled_cfa): Handle
        REG_CFA_TOGGLE_RA_MANGLE.
        * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
        * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
        info for return address signing.
        (aarch64_expand_epilogue): Likewise.

2017-01-19  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
        * config/aarch64/aarch64-protos.h
        (aarch64_return_address_signing_enabled): New declaration.
        * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
        New function.
        (aarch64_expand_prologue): Sign return address before it's pushed onto
        stack.
        (aarch64_expand_epilogue): Authenticate return address fetched from
        stack.
        (aarch64_override_options): Sanity check for ILP32 and ISA level.
        (aarch64_attributes): New function attributes for "sign-return-address".
        * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
        UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
        ("*do_return"): Generate combined instructions according to key index.
        ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
        * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
        iterators.
        (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
        * config/aarch64/aarch64.opt (msign-return-address=): New.
        * doc/extend.texi (AArch64 Function Attributes): Documents
        "sign-return-address=".
        * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".

2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>

        * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
        overall option summary.

2017-01-19  Jiong Wang  <jiong.wang@arm.com>

        * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
        * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
        AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
        * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".

2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
        -mpower9-minmax by default for -mcpu=power9.
        (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
        128-bit floating point.

2017-01-20  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
        optimizing for size.

2017-01-20  Alan Modra  <amodra@gmail.com>

        PR target/79144
        * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
        for strcmp and strncmp from corresponding builtin decl.

2017-01-19  Uros Bizjak  <ubizjak@gmail.com>

        * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
        instead of i386/rtems-64.h.
        * config/i386/rtems-64.h: Remove.

2017-01-19  Uros Bizjak  <ubizjak@gmail.com>

        PR target/78478
        Revert:
        2013-11-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.

2017-01-19  Tamar Christina  <tamar.christina@arm.com>

        * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
        Change int to HOST_WIDE_INT.
        * config/aarch64/aarch64-protos.h
        (aarch64_simd_gen_const_vector_dup): Likewise.
        * config/aarch64/aarch64-simd.md: Add copysign<mode>3.

2017-01-19  David Malcolm  <dmalcolm@redhat.com>

        * langhooks-def.h (lhd_type_for_size): New decl.
        (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
        * langhooks.c (lhd_type_for_size): New function, taken from
        lto_type_for_size.

2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
        define_bypass for CR latency.
        (power9-cracked-alu): Update bypass latency and remove power9-branch.
        (power9-alu2): Add define_bypass for CR latency.
        (power9-cmp): New.
        (power9-mul): Update insn latency.
        (power9-mul-compare): Update insn latency, bypass latency and remove
        power9-branch.

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

        * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
        Delete.
        * config/aarch64/aarch64.md
        (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
        aarch64_nopcrelative_literal_loads.
        (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.

2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>

        * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
        TARGET_LOONGSON_3A.
        (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.

2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>

        PR target/78176
        * config.gcc (supported_defaults): Add lxc1-sxc1.
        (with_lxc1_sxc1): Add validation.
        (all_defaults): Add lxc1-sxc1.
        * config/mips/mips.opt (mlxc1-sxc1): New option.
        * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
        mlxc1-sxc1.
        (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
        __mips_no_lxc1_sxc1.
        (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
        * gcc/doc/invoke.texi (-mlxc1-sxc1): Document the new option.
        * doc/install.texi (--with-lxc1-sxc1): Document the new option.

2017-01-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/72488
        * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
        sure to restore SSA info.
        * tree-ssa.c (verify_ssa): Verify SSA info is not shared.

2017-01-19  Richard Earnshaw  <rearnsha@arm.com>

        PR rtl-optimization/79121
        * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
        of the inner type when shifting an extended value.

2017-01-17  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/78407
        * symtab.c (symtab_node::equal_address_to): Fix comparing of
        interposable aliases.

2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>

        PR target/78516
        * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
        Use the evmergelohi instruction.
        (mov_si<mode>_e500_subreg4_2_le): Likewise.
        (mov_sitf_e500_subreg8_2_be): Likewise.
        (mov_sitf_e500_subreg12_2_le): Likewise.
        (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
        (mov_si<mode>_e500_subreg4_2_be): Likewise.
        (mov_sitf_e500_subreg8_2_le): Likewise.
        (mov_sitf_e500_subreg12_2_be): Likewise.

2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
        attribute from vecsimple to vecperm.
        (altivec_vbpermq2): Likewise.

2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR target/79040
        * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.

2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
        * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
        * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
        strcmp. Fix bug where comparison didn't stop with zero byte. Fix
        case where N arg is SIZE_MAX.
        * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
        (cmpstrsi): Add pattern.

2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        __builtin_vec_revb builtins.
        * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
        built-in functions to support generation of the ISA 3.0 XXBR<x>
        vector byte reverse instructions.
        (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
        (P9V_BUILTIN_XXBRD_V2DI): Likewise.
        (P9V_BUILTIN_XXBRD_V2DF): Likewise.
        (P9V_BUILTIN_XXBGW_V4SI): Likewise.
        (P9V_BUILTIN_XXBGW_V4SF): Likewise.
        (P9V_BUILTIN_XXBGH_V8HI): Likewise.
        (P9V_BUILTIN_VEC_REVB): Likewise.
        * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
        generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
        (p9_xxbrq_v16qi): Likewise.
        (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
        (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
        (p9_xxbrh_v8hi): Likewise.
        * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
        * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
        vec_revb built-in functions.

2017-01-18  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/78952
        * config/i386/i386.md (any_extract): New code iterator.
        (*insvqi_2): Use any_extract for source operand.
        (*insvqi_3): Use any_shiftrt for source operand.

2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
        New function.
        (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.

2017-01-18  Matthias Klose  <doko@ubuntu.com>

        * doc/install.texi: Allow default for --with-target-bdw-gc-include.

2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/altivec.h (vec_bperm): Change #define.
        * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
        (altivec_vbpermq2): New define_insn.
        (altivec_vbpermd): Likewise.
        * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
        function interface.
        (VBPERMD): Likewise.
        (VBPERM): New polymorphic function interface.
        * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
        Add entries for P9V_BUILTIN_VEC_VBPERM.
        * doc/extend.texi: Add interfaces for vec_bperm.

2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
        first letter of error messages.
        (s390_resolve_overloaded_builtin): Likewise.
        * config/s390/s390.c (s390_expand_builtin): Likewise.
        (s390_invalid_arg_for_unprototyped_fn): Likewise.
        (s390_valid_target_attribute_inner_p): Likewise.
        * config/s390/s390.md ("tabort"): Likewise.

2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>

        * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
        (ISA_AVOID_DIV_HILO): New macro.
        (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
        (ISA_HAS_DDIV): Likewise.

2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>

        * doc/invoke.texi (fabi-version): Correct number of occurrences.

2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>

        * doc/invoke.texi (fabi-version): Spelling fix.

2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>

        PR c++/70182
        * doc/invoke.texi (fabi-version): Mention mangling fix for
        operator names.

2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>

        PR c++/77489
        * doc/invoke.texi (fabi-version): Document discriminator mangling.

2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/78875
        * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
        the new options.
        * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
        flexible settings.
        (stack_protect_test): Ditto.
        * config/rs6000/rs6000.opt (mstack-protector-guard=,
        mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
        options.
        * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
        Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
        -mstack-protector-guard-offset=.
        (RS/6000 and PowerPC Options): Ditto.

2017-01-17  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (MASK_CLASS_P): New define.
        * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
        there are no registers from different register sets also when
        mask registers are used.  Update function comment.
        * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
        to (*k/*r) and (*k/*km) alternatives.

2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
        * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
        (EH_RETURN_HANDLER_RTX): New define.
        * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
        Force frame pointer in EH return functions.
        (aarch64_expand_epilogue): Add barrier for eh_return.
        (aarch64_final_eh_return_addr): Remove.
        (aarch64_eh_return_handler_rtx): New function.
        * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
        Remove.
        (aarch64_eh_return_handler_rtx): New prototype.

2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/altivec.h (vec_rlmi): New #define.
        (vec_vrlnm): Likewise.
        (vec_rlnm): Likewise.
        * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
        (UNSPEC_VRLNM): Likewise.
        (VIlong): New mode iterator.
        (altivec_vrl<VI_char>mi): New define_insn.
        (altivec_vrl<VI_char>nm): Likewise.
        * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
        function entry.
        (VRLDNM): Likewise.
        (RLNM): New polymorphic function entry.
        (VRLWMI): New monomorphic function entry.
        (VRLDMI): Likewise.
        (RLMI): New polymorphic function entry.
        * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
        new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
        * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
        vec_vrlnm.

2017-01-17  Jakub Jelinek  <jakub@redhat.com>

        PR debug/78839
        * dwarf2out.c (field_byte_offset): Restore the
        PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
        and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
        (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
        of build2 + fold.

2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/67205
        * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define

2017-01-17  Jakub Jelinek  <jakub@redhat.com>

        PR debug/71669
        * dwarf2out.c (add_data_member_location_attribute): For constant
        offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
        instead of DW_AT_data_member_location, DW_AT_bit_offset and
        DW_AT_byte_size attributes.

2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>

        * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
        after forcing to constant memory when the code model is medium.

2017-01-17  Julia Koval  <julia.koval@intel.com>

        PR target/76731
        * config/i386/avx512fintrin.h
        (_mm512_i32gather_ps): Change __addr type to void const*.
        (_mm512_mask_i32gather_ps): Ditto.
        (_mm512_i32gather_pd): Ditto.
        (_mm512_mask_i32gather_pd): Ditto.
        (_mm512_i64gather_ps): Ditto.
        (_mm512_mask_i64gather_ps): Ditto.
        (_mm512_i64gather_pd): Ditto.
        (_mm512_mask_i64gather_pd): Ditto.
        (_mm512_i32gather_epi32): Ditto.
        (_mm512_mask_i32gather_epi32): Ditto.
        (_mm512_i32gather_epi64): Ditto.
        (_mm512_mask_i32gather_epi64): Ditto.
        (_mm512_i64gather_epi32): Ditto.
        (_mm512_mask_i64gather_epi32): Ditto.
        (_mm512_i64gather_epi64): Ditto.
        (_mm512_mask_i64gather_epi64): Ditto.
        (_mm512_i32scatter_ps): Change __addr type to void*.
        (_mm512_mask_i32scatter_ps): Ditto.
        (_mm512_i32scatter_pd): Ditto.
        (_mm512_mask_i32scatter_pd): Ditto.
        (_mm512_i64scatter_ps): Ditto.
        (_mm512_mask_i64scatter_ps): Ditto.
        (_mm512_i64scatter_pd): Ditto.
        (_mm512_mask_i64scatter_pd): Ditto.
        (_mm512_i32scatter_epi32): Ditto.
        (_mm512_mask_i32scatter_epi32): Ditto.
        (_mm512_i32scatter_epi64): Ditto.
        (_mm512_mask_i32scatter_epi64): Ditto.
        (_mm512_i64scatter_epi32): Ditto.
        (_mm512_mask_i64scatter_epi32): Ditto.
        (_mm512_i64scatter_epi64): Ditto.
        (_mm512_mask_i64scatter_epi64): Ditto.
        * config/i386/avx512pfintrin.h
        (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
        (_mm512_mask_prefetch_i32gather_ps): Ditto.
        (_mm512_mask_prefetch_i64gather_pd): Ditto.
        (_mm512_mask_prefetch_i64gather_ps): Ditto.
        (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
        (_mm512_prefetch_i32scatter_ps): Ditto.
        (_mm512_mask_prefetch_i32scatter_pd): Ditto.
        (_mm512_mask_prefetch_i32scatter_ps): Ditto.
        (_mm512_prefetch_i64scatter_pd): Ditto.
        (_mm512_prefetch_i64scatter_ps): Ditto.
        (_mm512_mask_prefetch_i64scatter_pd): Ditto.
        (_mm512_mask_prefetch_i64scatter_ps): Ditto.
        * config/i386/avx512vlintrin.h
        (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
        (_mm_mmask_i32gather_ps): Ditto.
        (_mm256_mmask_i32gather_pd): Ditto.
        (_mm_mmask_i32gather_pd): Ditto.
        (_mm256_mmask_i64gather_ps): Ditto.
        (_mm_mmask_i64gather_ps): Ditto.
        (_mm256_mmask_i64gather_pd): Ditto.
        (_mm_mmask_i64gather_pd): Ditto.
        (_mm256_mmask_i32gather_epi32): Ditto.
        (_mm_mmask_i32gather_epi32): Ditto.
        (_mm256_mmask_i32gather_epi64): Ditto.
        (_mm_mmask_i32gather_epi64): Ditto.
        (_mm256_mmask_i64gather_epi32): Ditto.
        (_mm_mmask_i64gather_epi32): Ditto.
        (_mm256_mmask_i64gather_epi64): Ditto.
        (_mm_mmask_i64gather_epi64): Ditto.
        (_mm256_i32scatter_ps): Change __addr type to void*.
        (_mm256_mask_i32scatter_ps): Ditto.
        (_mm_i32scatter_ps): Ditto.
        (_mm_mask_i32scatter_ps): Ditto.
        (_mm256_i32scatter_pd): Ditto.
        (_mm256_mask_i32scatter_pd): Ditto.
        (_mm_i32scatter_pd): Ditto.
        (_mm_mask_i32scatter_pd): Ditto.
        (_mm256_i64scatter_ps): Ditto.
        (_mm256_mask_i64scatter_ps): Ditto.
        (_mm_i64scatter_ps): Ditto.
        (_mm_mask_i64scatter_ps): Ditto.
        (_mm256_i64scatter_pd): Ditto.
        (_mm256_mask_i64scatter_pd): Ditto.
        (_mm_i64scatter_pd): Ditto.
        (_mm_mask_i64scatter_pd): Ditto.
        (_mm256_i32scatter_epi32): Ditto.
        (_mm256_mask_i32scatter_epi32): Ditto.
        (_mm_i32scatter_epi32): Ditto.
        (_mm_mask_i32scatter_epi32): Ditto.
        (_mm256_i32scatter_epi64): Ditto.
        (_mm256_mask_i32scatter_epi64): Ditto.
        (_mm_i32scatter_epi64): Ditto.
        (_mm_mask_i32scatter_epi64): Ditto.
        (_mm256_i64scatter_epi32): Ditto.
        (_mm256_mask_i64scatter_epi32): Ditto.
        (_mm_i64scatter_epi32): Ditto.
        (_mm_mask_i64scatter_epi32): Ditto.
        (_mm256_i64scatter_epi64): Ditto.
        (_mm256_mask_i64scatter_epi64): Ditto.
        (_mm_i64scatter_epi64): Ditto.
        (_mm_mask_i64scatter_epi64): Ditto.
        * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
        (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
        (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
        (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
        (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
        (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
        (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
        (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
        (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
        (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
        (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
        (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
        (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
        (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
        (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
        (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
        (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
        (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
        (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
        (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
        (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
        (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
        (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
        (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
        (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
        (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
        (VOID_QI_V8DI_PCINT_INT_INT): Remove.
        (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
        (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
        (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
        (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
        (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
        (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
        (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
        (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
        (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
        (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
        (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
        (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
        (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
        (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
        (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
        (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
        (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
        (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
        (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
        (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
        (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
        (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
        (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
        (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
        (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
        (VOID_QI_V8DI_PCVOID_INT_INT): Add.
        * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
        definitions accordingly.

2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
            Kuan-Lin Chen  <kuanlinchentw@gmail.com>

        PR target/79079
        * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
        gen_lowpart.

2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/79058
        * ira-conflicts.c (ira_build_conflicts): Update total conflict
        hard regs for inner regno.

2017-01-17  Martin Liska  <mliska@suse.cz>

        PR ipa/71207
        * ipa-polymorphic-call.c (contains_type_p): Fix wrong
        assumption and add comment.

2017-01-17  Nathan Sidwell  <nathan@acm.org>

        * ipa-visibility.c (localize_node): New function, broken out of ...
        (function_and_variable_visibility): ... here. Call it.

2017-01-17  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/77445
        * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
        correctly set frequency of oudgoing edge.
        (duplicate_thread_path): Fix profile updating.

2017-01-17  Jakub Jelinek  <jakub@redhat.com>

        PR other/79046
        * configure.ac: Add GCC_BASE_VER.
        * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
        version from BASE-VER file.
        (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
        (gcc.o): Depend on $(BASEVER).
        * common.opt (dumpfullversion): New option.
        * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
        * doc/invoke.texi: Document -dumpfullversion.
        * doc/install.texi: Document --with-gcc-major-version-only.
        * configure: Regenerated.

2017-01-17  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/71433
        * tree-vrp.c (register_new_assert_for): Merge same asserts
        on all incoming edges.
        (process_assert_insertions_for): Handle insertions at the
        beginning of BBs.

2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>

        * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
        * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.

2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/78633
        * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
        RTL sharing.

2017-01-17  Alan Modra  <amodra@gmail.com>

        PR target/79066
        * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
        * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
        symbolic stack limit when pic.

2017-01-16  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/78608
        * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.

2017-01-16  Jeff Law  <law@redhat.com>

        Revert:
        2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
        * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
        for several include directories that may be relative to sysroot.
        * config/i386/x-mingw32 (gplus_includedir): Define.
        (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
        (native_system_includedir): Likewise.
        * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
        override if TARGET_SYSTEM_ROOT is defined.
        (NATIVE_SYSTEM_HEADER_DIR): Likewise.

        PR tree-optimization/79090
        PR tree-optimization/33562
        PR tree-optimization/61912
        PR tree-optimization/77485
        * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
        and computed trims into the dump file.

2017-01-17  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.

2017-01-16  Jakub Jelinek  <jakub@redhat.com>

        PR c/79089
        * gimplify.c (gimplify_init_constructor): If want_value and
        object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
        fix.

        PR target/79080
        * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
        sequence.  Formatting fixes.
        (doloop_optimize): Formatting fixes.

        PR driver/49726
        * gcc.c (debug_level_greater_than_spec_func): New function.
        (static_spec_functions): Add debug-level-gt spec function.
        (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
        !g0.
        * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
        * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
        * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
        gpubnames, ggnu-pubnames, gno-record-gcc-switches,
        grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
        gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.

2017-01-16  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
        QImode fixups to general and mask registers only.

2017-01-16  Carl Love  <cel@us.ibm.com>

        * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
        for built-in functions
        vector signed char vec_nabs (vector signed char)
        vector signed short vec_nabs (vector signed short)
        vector signed int vec_nabs (vector signed int)
        vector signed long long vec_nabs (vector signed long long)
        vector float vec_nabs (vector float)
        vector double vec_nabs (vector double)
        * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
        and NABS overload.
        * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
        * config/rs6000/altivec.h: New define for vec_nabs built-in function.
        * doc/extend.texi: Update the documentation file for the new built-in
        functions.

2017-01-16  Martin Sebor  <msebor@redhat.com>

        * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
        message.

2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
        UNSPEC_VSX__XXSPLTD to require special splat handling.

2017-01-16  David Malcolm  <dmalcolm@redhat.com>

        PR bootstrap/78616
        * system.h: Poison strndup.

2017-01-16  Alan Modra  <amodra@gmail.com>

        PR target/79098
        * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
        use a switch.

2017-01-16  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.

2017-01-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
        call recog here.  Assert that INSN_CODE (insn) is non-negative.

2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/72749
        * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
        fallthrough.
        * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
        in the currently scheduled RTL fragment.

2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/78751
        * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
        give up.

2017-01-14  Jeff Law  <law@redhat.com>

        PR tree-optimization/79090
        * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
        variable length stores.
        (compute_trims): Delete dead assignment to *trim_tail.
        (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
        zero length.

2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>

        PR rtl-optimization/78626
        PR rtl-optimization/78727
        * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
        of a block, and split such blocks after everything else is finished.

2017-01-14  Alan Modra  <amodra@gmail.com>

        PR target/72749
        * combine.c (recog_for_combine_1): Set INSN_CODE before calling
        target legitimate_combined_insn.
        * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
        (rs6000_legitimate_combined_insn): New function.
        * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
        all uses.
        (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
        (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
        (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.

2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/frontends.texi (G++ and GCC): Remove references to Java.

2017-01-13  Jeff Law  <law@redhat.com>

        PR tree-optimization/33562
        PR tree-optimization/61912
        PR tree-optimization/77485
        * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
        a statement.
        (delete_dead_assignment): Likewise.
        (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
        statement to delete_dead_call and delete_dead_assignment.

2017-01-13  David Malcolm  <dmalcolm@redhat.com>

        PR c/78304
        * substring-locations.c (format_warning_va): Strengthen case 1 so
        that both endpoints of the substring must be within the format
        range for just the substring to be printed.

2017-01-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
        * config/i386/i386.c (ix86_target_string): Add missing options
        to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
        isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
        flags_other and ix86_target_other to flags2_other.  Display unknown
        isa2 options.
        (ix86_valid_target_attribute_inner_p): Add missing options and
        reorder options by implied ISAs, as in ix86_target_string.

2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>

        * hash-table.h (hash_table::too_empty_p): New function.
        (hash_table::expand): Use it.
        (hash_table::traverse): Likewise.
        (hash_table::empty_slot): Use sizeof (value_type) instead of
        sizeof (PTR) to convert bytes to elements.  Shrink the table
        if the current size is excessive for the current number of
        elements.

2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>

        * ira-costs.c (record_reg_classes): Break from the inner loop
        early once alt_fail is known to be true.  Update outer loop
        handling accordingly.

2017-01-13  Jeff Law  <law@redhat.com>

        * tree-ssa-dse.c (decrement_count): New function.
        (increment_start_addr, maybe_trim_memstar_call): Likewise.
        (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
        when we know the partially dead statement is a mem* function.

        PR tree-optimization/61912
        PR tree-optimization/77485
        * tree-ssa-dse.c: Include expr.h.
        (maybe_trim_constructor_store): New function.
        (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.

        PR tree-optimization/33562
        PR tree-optimization/61912
        PR tree-optimization/77485
        * doc/invoke.texi: Document new dse-max-object-size param.
        * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
        * tree-ssa-dse.c: Include params.h.
        (dse_store_status): New enum.
        (initialize_ao_ref_for_dse): New, partially extracted from
        dse_optimize_stmt.
        (valid_ao_ref_for_dse, normalize_ref): New.
        (setup_live_bytes_from_ref, compute_trims): Likewise.
        (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
        (maybe_trim_partially_dead_store): Likewise.
        (maybe_trim_complex_store): Likewise.
        (dse_classify_store): Renamed from dse_possibly_dead_store_p.
        Track what bytes live from the original store.  Return tri-state
        for dead, partially dead or live.
        (dse_dom_walker): Add constructor, destructor and new private members.
        (delete_dead_call, delete_dead_assignment): New extracted from
        dse_optimize_stmt.
        (dse_optimize_stmt): Make a member of dse_dom_walker.
        Use initialize_ao_ref_for_dse.

        PR tree-optimization/33562
        PR tree-optimization/61912
        PR tree-optimization/77485
        * sbitmap.h (bitmap_count_bits): Prototype.
        (bitmap_clear_range, bitmap_set_range): Likewise.
        * sbitmap.c (bitmap_clear_range): New function.
        (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.

2017-01-13  Martin Liska  <mliska@suse.cz>

        PR ipa/79043
        * function.c (set_cfun): Add new argument force.
        * function.h (set_cfun): Likewise.
        * ipa-inline-transform.c (inline_call): Use the function when
        strict alising from is dropped for function we inline to.

2017-01-13  Richard Biener  <rguenther@suse.de>

        * tree-pretty-print.c (dump_generic_node): Fix inverted condition
        for dumping GIMPLE INTEGER_CSTs.

2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
        to 201112L since C++17.

2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>

        PR sanitizer/78887
        * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
        if -fsanitize=kernel-address is present.

2017-01-13  Richard Biener  <rguenther@suse.de>

        * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
        as _Literal ( type ) number in case usual suffixes do not
        preserve all information.

2017-01-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/77283
        * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
        and ssa-iterators.h.
        (is_feasible_trace): Implement a cost model based on joiner
        PHI node uses.

2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/79004
        * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
        char or short to __float128/_Float128 directly.

2017-01-12  Martin Sebor  <msebor@redhat.com>

        to -Wformat-overflow.
        * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
        (min_bytes_remaining): Same.
        (get_string_length): Same.
        (format_string): Same.
        (format_directive): Same.
        (add_bytes): Same.
        (pass_sprintf_length::handle_gimple_call): Same.

2017-01-12  Jakub Jelinek  <jakub@redhat.com>

        * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
        info.nowrite calls with no lhs that can't throw.  Return bool
        whether gsi_remove has been called or not.
        (pass_sprintf_length::handle_gimple_call): Return bool whether
        try_substitute_return_value called gsi_remove.  Formatting fix.
        (pass_sprintf_length::execute): Don't use gsi_remove if
        handle_gimple_call returned true.

        PR bootstrap/79069
        * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
        be removed due to side-effects, don't remove following barrier nor
        turn the successor edge into fallthru edge.

2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR target/79044
        * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
        element-reversing loads and stores as not swappable.

2017-01-12  Nathan Sidwell  <nathan@acm.org>
            Nicolai Stange  <nicstange@gmail.com>

        * combine.c (try_combine): Don't ignore result of overlap checking
        loop.  Combine overlap & asm check into single loop.

2017-01-12  Richard Biener  <rguenther@suse.de>

        * tree-pretty-print.c (dump_generic_node): Provide -gimple
        variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.

2017-01-12  Richard Biener  <rguenther@suse.de>

        * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
        and TS_TARGET_OPTION directly derive from TS_BASE.
        * tree-core.h (tree_optimization_option): Derive from tree_base.
        (tree_target_option): Likewise.

2017-01-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (memory_address_length): Increase len
        only when rip_relative_addr_p returns false.

2017-01-11  Julia Koval  <julia.koval@intel.com>

        * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
        (OPTION_MASK_ISA_SGX_SET): New.
        (ix86_handle_option): Handle OPT_msgx.
        * config.gcc: Added sgxintrin.h.
        * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
        * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
        * config/i386/i386.c (ix86_target_string): Add -msgx.
        (PTA_SGX): New.
        (ix86_option_override_internal): Handle new options.
        (ix86_valid_target_attribute_inner_p): Add sgx.
        * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
        * config/i386/i386.opt: Add msgx.
        * config/i386/sgxintrin.h: New file.
        * config/i386/x86intrin.h: Add sgxintrin.h.

2017-01-11  Jakub Jelinek  <jakub@redhat.com>

        PR c++/71537
        * fold-const.c (maybe_nonzero_address): Return 1 for function
        local objects.
        (tree_single_nonzero_warnv_p): Don't handle function local objects
        here.

        PR c++/72813
        * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
        of c-header.

2017-01-11  David Malcolm  <dmalcolm@redhat.com>

        PR driver/78877
        * opts.c: Include "spellcheck.h"
        (struct string_fragment): New struct.
        (struct edit_distance_traits<const string_fragment &>): New
        struct.
        (get_closest_sanitizer_option): New function.
        (parse_sanitizer_options): Offer suggestions for unrecognized arguments.

2017-01-11  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
        by 12.
        (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
        DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
        (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
        (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
        for initial die_offset if dwarf_split_debug_info.
        (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
        initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
        fields.
        (output_skeleton_debug_sections): Formatting fix.  Use
        DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
        DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.

2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/arm/cortex-a53.md: Add bypasses for
        cortex_a53_r2f_cvt.
        (cortex_a53_r2f): Only use for transfers.
        (cortex_a53_f2r): Likewise.
        (cortex_a53_r2f_cvt): Add reservation for conversions.
        (cortex_a53_f2r_cvt): Likewise.

2017-01-11  Tamar Christina  <tamar.christina@arm.com>

        * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
        to all inlined functions, change static to extern.

2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>

        PR target/78253
        * config/arm/arm.c (legitimize_pic_address): Handle reference to
        weak symbol.
        (arm_assemble_integer): Likewise.

2017-01-11  Richard Earnshaw  <rearnsha@arm.com>

        * config.gcc: Use new awk script to check CPU, FPU and architecture
        parameters for --with-... options.
        * config/arm/parsecpu.awk: New file
        * config/arm/arm-cpus.in: New file.
        * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
        files.
        * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
        files.
        * config/arm/t-arm: Update dependency rules.
        * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
        of processing .def files.
        * config/arm/genopt.sh: Deleted.
        * config/arm/gentune.sh: Deleted.
        * config/arm/arm-cores.def: Deleted.
        * config/arm/arm-arches.def: Deleted.
        * config/arm/arm-fpus.def: Deleted.
        * config/arm/arm-tune.md: Regenerated.
        * config/arm/arm-tables.opt: Regenerated.
        * config/arm/arm-cpu.h: New generated file.
        * config/arm/arm-cpu-data.h: New generated file.
        * config/arm/arm-cpu-cdata.h: New generated file.

2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>

        PR lto/79042
        * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
        bit.
        (input_varpool_node): Unpack dynamically_initialized bit.

2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/79032
        * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
        the alignment of the adjusted memory reference against that of MODE,
        instead of the alignment of the original memory reference.

2017-01-11  Martin Jambor  <mjambor@suse.cz>

        * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
        test.
        * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
        decorated functions.

2017-01-11  Richard Biener  <rguenther@suse.de>

        * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
        set range/nonnull info for PHI results.  Do not set it on
        stmts marked for removal.

2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.c (store_field): In the bitfield case, fetch the return value
        from the registers before applying a single big-endian adjustment.
        Always do a final load for a BLKmode value not larger than a word.

2017-01-10  David Malcolm  <dmalcolm@redhat.com>

        PR c++/77949
        * input.c (selftest::test_accessing_ordinary_linemaps): Verify
        that we correctly handle column numbers greater than
        LINE_MAP_MAX_COLUMN_NUMBER.

2017-01-10  Martin Sebor  <msebor@redhat.com>

        PR middle-end/78245
        * gimple-ssa-sprintf.c (get_destination_size): Call
        {init,fini}object_sizes.
        * tree-object-size.c (addr_object_size): Adjust.
        (pass_through_call): Adjust.
        (pass_object_sizes::execute): Adjust.
        * tree-object-size.h (fini_object_sizes): Declare.

2017-01-10  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/78775
        * builtins.c (get_size_range): Move...
        * calls.c: ...to here.
        (alloc_max_size): Accept zero argument.
        (operand_signed_p): Remove.
        (maybe_warn_alloc_args_overflow): Call get_size_range.
        * calls.h (get_size_range): Declare.

2017-01-10  Joe Seymour  <joe.s@somniumtech.com>

        * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
        from TI's devices.csv file as of September 2016.
        * config/msp430/msp430.c (msp430_mcu_data): Likewise.

2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
        * doc/invoke.texi: Likewise.
        * doc/md.texi: Likewise.
        * doc/objc.texi: Likewise.

2017-01-10  Joshua Conner  <joshconner@google.com>

        * config/arm/fuchsia-elf.h: New file.
        * config/fuchsia.h: New file.
        * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
        (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
        targets.
        * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.

2016-01-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79034
        * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
        Propagate out degenerate PHIs in the joiner.

2017-01-10  Martin Liska  <mliska@suse.cz>

        * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
        (sort_congruence_classes_by_decl_uid): Likewise.
        (sort_congruence_class_groups_by_decl_uid): Likewise.
        (sem_item_optimizer::merge_classes): Sort class, groups in these
        classes and members in the groups by DECL_UID of declarations.
        This would make merge operations stable.

2017-01-10  Martin Liska  <mliska@suse.cz>

        * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
        usage of m_classes_vec.
        (sem_item_optimizer::~sem_item_optimizer):  Likewise.
        (sem_item_optimizer::get_group_by_hash): Likewise.
        (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
        (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
        (sem_item_optimizer::verify_classes): Likewise.
        (sem_item_optimizer::process_cong_reduction): Likewise.
        (sem_item_optimizer::dump_cong_classes): Likewise.
        (sem_item_optimizer::merge_classes): Likewise.
        * ipa-icf.h (congruence_class_hash): Rename from
        congruence_class_group_hash.  Remove declaration of m_classes_vec.

2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>

        * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
        OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
        * config.gcc: Add avx512vpopcntdqintrin.h.
        * config/i386/avx512vpopcntdqintrin.h: New.
        * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
        * config/i386/i386-builtin-types.def: Add new types.
        * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
        __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
        __builtin_ia32_vpopcountq_v8di_mask): New.
        * config/i386/i386-c.c (ix86_target_macros_internal): Define
        __AVX512VPOPCNTDQ__.
        * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
        (PTA_AVX512VPOPCNTDQ): Define.
        * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
        TARGET_AVX512VPOPCNTDQ_P): Define.
        * config/i386/i386.opt: Add mavx512vpopcntdq.
        * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
        * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/77484
        * predict.def (PRED_CALL): Set to 67.

2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.c (store_field): In the bitfield case, if the value comes from
        a function call and is of an aggregate type returned in registers, do
        not modify the field mode; extract the value in all cases if the mode
        is BLKmode and the size is not larger than a word.

2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>

        PR target/71017
        * config/i386/cpuid.h: Fix undefined behavior.

2017-01-04  Jeff Law  <law@redhat.com>

        PR tree-optimization/79007
        PR tree-optimization/67955
        * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
        conservative for pt.null when flag_non_call_exceptions is on.

2017-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR translation/79019
        PR translation/79020
        * params.def (PARAM_INLINE_MIN_SPEEDUP,
        PARAM_IPA_CP_SINGLE_CALL_PENALTY,
        PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
        in descriptions.
        * config/avr/avr.opt (maccumulate-args): Likewise.
        * config/msp430/msp430.opt (mwarn-mcu): Likewise.
        * common.opt (freport-bug): Likewise.
        * cif-code.def (CIF_FINAL_ERROR): Likewise.
        * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
        * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
        translatable string.
        * config/i386/i386.c (function_value_32): Likewise.
        * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
        * config/msp430/msp430.c (msp430_option_override, msp430_attr):
        Likewise.
        * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
        * common/config/msp430/msp430-common.c (msp430_handle_option):
        Likewise.
        * symtab.c (symtab_node::verify_base): Likewise.
        * opts.c (set_debug_level): Likewise.
        * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
        missing whitespace to translatable strings.
        * config/avr/avr.md (bswapsi2): Fix typo in comment.
        * config/sh/superh.h: Likewise.
        * config/i386/xopintrin.h: Likewise.
        * config/i386/znver1.md: Likewise.
        * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
        * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
        * double-int.h (struct double_int): Likewise.
        * double-int.c (div_and_round_double): Likewise.
        * wide-int.cc: Likewise.
        * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
        * cfgcleanup.c (crossjumps_occured): Renamed to ...
        (crossjumps_occurred): ... this.
        (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
        Adjust all uses.

        PR tree-optimization/78899
        * tree-if-conv.c (version_loop_for_if_conversion): Instead of
        returning bool return struct loop *, NULL for failure and the new
        loop on success.
        (versionable_outer_loop_p): Don't version outer loop if it has
        dont_vectorized bit set.
        (tree_if_conversion): When versioning outer loop, ensure
        tree_if_conversion is performed also on the inner loop of the
        non-vectorizable outer loop copy.
        * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
        LOOP_VECTORIZED in inner loop of the scalar outer loop and
        prevent vectorization of it.
        (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
        the outer loop vectorization of the non-scalar version is attempted
        before vectorization of the inner loop in scalar version.  If
        outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
        vectorization of its inner loop.
        * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
        has 2 inner loops, rename also on edges from bb whose single pred
        is outer_loop->header.  Fix typo in function comment.

2017-01-09  Martin Sebor  <msebor@redhat.com>

        PR bootstrap/79033
        * asan.c (asan_emit_stack_protection): Increase local buffer size
        to avoid snprintf truncation warning.

2017-01-09  Andrew Pinski  <apinski@cavium.com>

        * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
        to reference thunderx2t99 for the tuning structure
        * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
        Rename to ...
        (thunderx2t99_extra_costs): This.
        * config/aarch64/aarch64-tune.md: Regenerate.
        * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
        (vulcan_addrcost_table): This.
        (vulcan_regmove_cost): Rename to ...
        (thunderx2t99_regmove_cost): This.
        (vulcan_vector_cost): Rename to ...
        (thunderx2t99_vector_cost): this.
        (vulcan_branch_cost): Rename to ...
        (thunderx2t99_branch_cost): This.
        (vulcan_tunings): Rename to ...
        (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
        * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.

2017-01-09  Martin Jambor  <mjambor@suse.cz>

        PR ipa/78365
        PR ipa/78599
        * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
        * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
        (propagate_vr_accross_jump_function): Use the above function for all
        value range computations for pass-through jump functions and type
        converasion from explicit value range values.
        (ipcp_propagate_stage): Do not attempt to deduce types of formal
        parameters from TYPE_ARG_TYPES.
        * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
        (ipa_write_node_info): Stream type of the actual argument.
        (ipa_read_node_info): Likewise. Also remove trailing whitespace.

2017-01-09  Martin Liska  <mliska@suse.cz>

        PR pch/78970
        * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
        (lookup_compiler): Do not show error message with have_E.

2017-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/78938
        * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
        where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
        BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
        {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
        fixes.

2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
        is const0_rtx.

2017-01-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/78997
        * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
        name condition properly.

2017-01-09  Richard Biener  <rguenther@suse.de>

        PR debug/79000
        * dwarf2out.c (is_cxx): New overload with context.
        (is_naming_typedef_decl): Use it.

2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>

        * invoke.texi (Option Summary): Correct spacing in option lists
        and add line breaks to fix over-long lines.

2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>

        PR middle-end/17660

        * extend.texi (Common Variable Attributes): Add xref to GCC
        Internals manual to explain mode attribute keywords.

2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>

        PR other/16519
        * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
        and Preprocessor Options.
        (Options for Linking): Document -pthread here....
        (RS/6000 and PowerPC Options): ...not here.
        (Solaris 2 Options): ...or here.
        * doc/cppopts.texi: Document -pthread.

2017-01-08  Martin Sebor  <msebor@redhat.com>

        PR middle-end/77708
        * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
        * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
        New member functions.
        (format_directive): Used them.
        (add_bytes): Same.
        (pass_sprintf_length::handle_gimple_call): Same.
        * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
        to avoid truncation for any argument.
        (extract_affine_mul): Same.
        * tree.c (get_file_function_name): Same.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/77484
        * predict.def (PRED_INDIR_CALL): Set to 86.

2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>

        PR preprocessor/54124
        * doc/cppopts.texi: Reformat -d subtable to list the full name
        of the options.  Add cross-reference to the docs for the general
        compiler -d options.
        * doc/invoke.texi (Developer Options): Add cross-reference to the
        preprocessor-specific -d option documentation.

2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>

        PR preprocessor/13498
        * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
        redudant material, and reflect new command-line options.
        (System Headers): Likewise.

2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
        -isystem, and -idirafter.  Copy-edit.
        * doc/cppopts.texi: Copy-edit.  Remove contradiction about
        default for -ftrack-macro-expansion.  Delete obsolete and
        badly-formatted implementation details about -fdebug-cpp output.
        * doc/cppwarnopts.texi: Copy-edit.

2017-01-07  David Malcolm  <dmalcolm@redhat.com>

        PR c++/72803
        * input.c (selftest::test_accessing_ordinary_linemaps): Verify
        that the transition from a max line width >= 1<<10 to narrower
        lines works correctly.

2017-01-07  Alexandre Oliva <aoliva@redhat.com>

        * doc/options.texi (PerFunction): New.
        * opt-functions.awk (switch_flags): Map both Optimization and
        PerFunction to CL_OPTIMIZATION.
        * opth-gen.awk: Test for PerFunction flag along with
        Optimization.
        * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
        it only when the latter is present.  Skip those that don't in
        the hash function generator.
        * common.opt (fvar-tracking): Mark as PerFunction instead of
        Optimization.
        (fvar-tracking-assignments): Likewise.
        (fvar-tracking-assignments-toggle): Likewise.
        (fvar-tracking-uninit): Likewise.

2017-01-07  Jakub Jelinek  <jakub@redhat.com>

        PR translation/79018
        * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
        the and store.

2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>

        PR target/57583
        * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
        * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
        TARGET_LONG_JUMP_TABLE_OFFSETS.
        * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
        (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
        * config/m68k/m68k.md (tablejump expander): Likewise.
        (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
        TARGET_LONG_JUMP_TABLE_OFFSETS.
        (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
        * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.

2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
            David Holsgrove <david.holsgrove@xilinx.com>

        * common/config/microblaze/microblaze-common.c
        (TARGET_EXCEPT_UNWIND_INFO): Remove.
        * config/microblaze/microblaze-protos.h (microblaze_eh_return):
        New prototype.
        * config/microblaze/microblaze.c (microblaze_must_save_register)
        (microblaze_expand_epilogue, microblaze_return_addr): Handle
        calls_eh_return.
        (microblaze_eh_return): New function.
        * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
        (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
        (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
        * config/microblaze/microblaze.md (eh_return): New pattern.

2017-01-06  Jakub Jelinek  <jakub@redhat.com>

        * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
        GCC_DIAGNOSTIC_STRINGIFY): Define.

        * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm.md (<mcrr>): New.
        (<mrrc>): New.
        * config/arm/arm.c (arm_arch5te): New.
        (arm_option_override): Set arm_arch5te.
        (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
        and mrrc2.
        * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
        (arm_mcrr_qualifiers): ... this. New.
        (MRRC_QUALIFIERS): Define to...
        (arm_mrrc_qualifiers): ... this. New.
        * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
        __arm_mrrc2): New.
        * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
        * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
        (MRRCI, mrrc, MRRC): New.
        * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
        VUNSPEC_MRRC2): New.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm.md (<mcr>): New.
        (<mrc>): New.
        * config/arm/arm.c (arm_coproc_builtin_available): Add
        support for mcr, mrc, mcr2 and mrc2.
        * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
        (arm_mcr_qualifiers): ... this. New.
        (MRC_QUALIFIERS): Define to ...
        (arm_mrc_qualifiers): ... this. New.
        (MCR_QUALIFIERS): Define to ...
        (arm_mcr_qualifiers): ... this. New.
        * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
        __arm_mrc2): New.
        * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
        * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
        * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
        VUNSPEC_MRC2): New.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm.md (*ldc): New.
        (*stc): New.
        (<ldc>): New.
        (<stc>): New.
        * config/arm/arm.c (arm_coproc_builtin_available): Add
        support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
        (arm_coproc_ldc_stc_legitimate_address): New.
        * config/arm/arm-builtins.c (arm_type_qualifiers): Add
        'qualifier_const_pointer'.
        (LDC_QUALIFIERS): Define to...
        (arm_ldc_qualifiers): ... this. New.
        (STC_QUALIFIERS): Define to...
        (arm_stc_qualifiers): ... this. New.
        * config/arm/arm-protos.h
        (arm_coproc_ldc_stc_legitimate_address): New.
        * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
        __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
        * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
        stc2, stcl, stc2l): New.
        * config/arm/constraints.md (Uz): New.
        * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
        * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
        VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
        VUNSPEC_STC2L): New.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm.md (<cdp>): New.
        * config/arm/arm.c (neon_const_bounds): Rename this ...
        (arm_const_bounds): ... this.
        (arm_coproc_builtin_available): New.
        * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
        (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
        (CDP_QUALIFIERS): Define to...
        (arm_cdp_qualifiers): ... this. New.
        (void_UP): Define.
        (arm_expand_builtin_args): Add case for 6 arguments.
        * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
        (arm_const_bounds): ... this.
        (arm_coproc_builtin_available): New.
        * config/arm/arm_acle.h (__arm_cdp): New.
        (__arm_cdp2): New.
        * config/arm/arm_acle_builtins.def (cdp): New.
        (cdp2): New.
        * config/arm/iterators.md (CDPI,CDP,cdp): New.
        * config/arm/neon.md: Rename all 'neon_const_bounds' to
        'arm_const_bounds'.
        * config/arm/types.md (coproc): New.
        * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
        * gcc/doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
        * gcc/doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
        arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
        (UBINOP_QUALIFIERS): New.
        (si_UP): Define.
        (acle_builtin_data): New. Change comment.
        (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
        ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
        ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
        arm_acle_builtins.def.
        (ARM_BUILTIN_ACLE_PATTERN_START): Define.
        (arm_init_acle_builtins): New.
        (CRC32_BUILTIN): Remove.
        (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
        crc32cb, crc32ch and crc32cw.
        (arm_init_crc32_builtins): Remove.
        (arm_init_builtins): Use arm_init_acle_builtins rather
        than arm_init_crc32_builtins.
        (arm_expand_acle_builtin): New.
        (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
        * config/arm/arm_acle_builtins.def: New.

2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
        (arm_builtin_datum): ... this.
        (arm_init_neon_builtin): Rename to ...
        (arm_init_builtin): ... this. Add a new parameters PREFIX
        and USE_SIG_IN_NAME.
        (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
        'arm_init_builtin'. Replace type 'neon_builtin_datum' with
        'arm_builtin_datum'.
        (arm_init_vfp_builtins): Likewise.
        (builtin_arg): Rename enum's replacing 'NEON_ARG' with
        'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
        (arm_expand_neon_args): Rename to ...
        (arm_expand_builtin_args): ... this. Rename builtin_arg
        enum values and differentiate between ARG_BUILTIN_MEMORY
        and ARG_BUILTIN_NEON_MEMORY.
        (arm_expand_neon_builtin_1): Rename to ...
        (arm_expand_builtin_1): ... this. Rename builtin_arg enum
        values, arm_expand_builtin_args and add bool parameter NEON.
        (arm_expand_neon_builtin): Use arm_expand_builtin_1.
        (arm_expand_vfp_builtin): Likewise.
        (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/77484
        * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
        * predict.c (tree_estimate_probability_bb): Reverse direction of
        polymorphic call predictor.

2017-01-06  David Malcolm  <dmalcolm@redhat.com>

        * passes.c (execute_one_pass): Split out pass-skipping logic into...
        (determine_pass_name_match): ...this new function and...
        (should_skip_pass_p): ...this new function.

2017-01-06  Nathan Sidwell  <nathan@acm.org>

        * ipa-visibility.c (function_and_variable_visibility): Reformat
        comments and long lines.  Remove extrneous if.
        * symtab.c (symtab_node::make_decl_local): Fix code format.
        (symtab_node::set_section_for_node): Fix comment typo.

2017-01-06  Martin Liska  <mliska@suse.cz>

        PR bootstrap/79003
        * lra-constraints.c: Rename invariant to lra_invariant.
        * predict.c (set_even_probabilities): Initialize e to NULL.

2017-01-05  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/78910
        * gimple-ssa-sprintf.c (tree_digits): Add an argument.
        (format_integer): Correct off-by-one error in the handling
        of precision with negative numbers in signed conversions..

2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.

2017-01-05  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/71016
        * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
        factor_out_conditional_conversion.  Formatting fix.
        (factor_out_conditional_conversion): Add cond_stmt argument.
        If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
        cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
        Formatting fix.

2017-01-05  David Malcolm  <dmalcolm@redhat.com>

        * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
        read-rtl-function.o, and selftest-rtl.o.
        * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
        (selftest::aarch64_test_loading_full_dump): New function.
        (selftest::aarch64_run_selftests): New function.
        (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
        selftest::aarch64_run_selftests.
        * config/i386/i386.c
        (selftest::ix86_test_loading_dump_fragment_1): New function.
        (selftest::ix86_test_loading_call_insn): New function.
        (selftest::ix86_test_loading_full_dump): New function.
        (selftest::ix86_test_loading_unspec): New function.
        (selftest::ix86_run_selftests): Call the new functions.
        * emit-rtl.c (maybe_set_max_label_num): New function.
        * emit-rtl.h (maybe_set_max_label_num): New decl.
        * function.c (instantiate_decls): Guard call to
        instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
        * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
        "static".
        * gensupport.c (gen_reader::gen_reader): Pass "false"
        for new "compact" param of rtx_reader.
        * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
        rather than an empty string for NULL strings.
        * read-md.c: Potentially include config.h rather than bconfig.h.
        Wrap include of errors.h with #ifdef GENERATOR_FILE.
        (have_error): New global, copied from errors.c.
        (md_reader::read_name): Rename to...
        (md_reader::read_name_1): ...this, adding "out_loc" param,
        and converting "missing name or number" to returning false, rather
        than failing.
        (md_reader::read_name): Reimplement in terms of read_name_1.
        (md_reader::read_name_or_nil): New function.
        (md_reader::read_string): Handle "(nil)" by returning NULL.
        (md_reader::md_reader): Add new param "compact".
        (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
        (md_reader::read_file): New method.
        * read-md.h (md_reader::md_reader): Add new param "compact".
        (md_reader::read_file): New method.
        (md_reader::is_compact): New accessor.
        (md_reader::read_name): Convert return type from void to file_location.
        (md_reader::read_name_or_nil): New decl.
        (md_reader::read_name_1): New decl.
        (md_reader::m_compact): New field.
        (noop_reader::noop_reader): Pass "false" for new "compact" param
        of rtx_reader.
        (rtx_reader::rtx_reader): Add new "compact" param.
        (rtx_reader::read_rtx_operand): Make virtual and convert return
        type from void to rtx.
        (rtx_reader::read_until): New decl.
        (rtx_reader::handle_any_trailing_information): New virtual function.
        (rtx_reader::postprocess): New virtual function.
        (rtx_reader::finalize_string): New virtual function.
        (rtx_reader::m_in_call_function_usage): New field.
        (rtx_reader::m_reuse_rtx_by_id): New field.
        * read-rtl-function.c: New file.
        * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
        * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
        (selftest::verify_three_block_rtl_cfg): New decl.
        * read-rtl-function.h: New file.
        * read-rtl.c: Potentially include config.h rather than bconfig.h.
        For host, include function.h, memmodel.h, and emit-rtl.h.
        (one_time_initialization): New function.
        (struct compact_insn_name): New struct.
        (compact_insn_names): New array.
        (find_code): Handle insn codes in compact dumps.
        (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
        (bind_subst_iter_and_attr): Likewise.
        (add_condition_to_string): Likewise.
        (add_condition_to_rtx): Likewise.
        (apply_attribute_uses): Likewise.
        (add_current_iterators): Likewise.
        (apply_iterators): Likewise.
        (initialize_iterators): Guard usage of apply_subst_iterator with
        #ifdef GENERATOR_FILE.
        (read_conditions): Wrap with #ifdef GENERATOR_FILE.
        (md_reader::read_mapping): Likewise.
        (add_define_attr_for_define_subst): Likewise.
        (add_define_subst_attr): Likewise.
        (read_subst_mapping): Likewise.
        (check_code_iterator): Likewise.
        (rtx_reader::read_rtx): Likewise.  Move one-time initialization
        logic to...
        (one_time_initialization): New function.
        (rtx_reader::read_until): New method.
        (read_flags): New function.
        (parse_reg_note_name): New function.
        (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
        Handle reuse_rtx ids.
        Wrap iterator lookup within #ifdef GENERATOR_FILE.
        Add parsing support for RTL dumps, mirroring the special-cases in
        print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
        values, and calling handle_any_trailing_information.
        (rtx_reader::read_rtx_operand): Convert return type from void
        to rtx, returning return_rtx.  Handle case 'e'.  Call
        finalize_string on XSTR and XTMPL fields.
        (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
         "(nil)" values were omitted.  Call the postprocess vfunc on the
        return_rtx.
        (rtx_reader::rtx_reader): Add new "compact" param and pass to base
        class ctor.  Initialize m_in_call_function_usage.  Call
        one_time_initialization.
        * rtl-tests.c (selftest::test_uncond_jump): Call
        set_new_first_and_last_insn.
        * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
        * selftest-rtl.c: New file.
        * selftest-rtl.h (class selftest::rtl_dump_test): New class.
        (selftest::get_insn_by_uid): New decl.
        * selftest-run-tests.c (selftest::run_tests): Call
        read_rtl_function_c_tests.
        * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
        * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
        dumps.

2017-01-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*testqi_ext_3): No need to handle memory
        operands in a special way.  Assert that pos+len <= mode precision.

2017-01-05  Jakub Jelinek  <jakub@redhat.com>

        * common.opt (fvect-cost-model): Remove RejectNegative flag, use
        3 argument Alias with unlimited for the negative form.
        (fno-vect-cost-model): Removed.

2017-01-05  Martin Liska  <mliska@suse.cz>

        * hsa-gen.c (gen_hsa_divmod): New function.
        (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.

2017-01-05  Martin Liska  <mliska@suse.cz>

        PR pch/78970
        * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
        header.

2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
        small constant length operands.

2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
        between loop iterations.

2017-01-05  Martin Liska  <mliska@suse.cz>

        PR sanitizer/78815
        * gimplify.c (gimplify_decl_expr): Compare to
        asan_poisoned_variables instread of checking flags.
        (gimplify_target_expr): Likewise.
        (gimplify_expr): Likewise.
        (gimplify_function_tree): Conditionally initialize
        asan_poisoned_variables.

2017-01-04  Jeff Law  <law@redhat.com>

        PR tree-optimizatin/78812
        * rtl.h (contains_mem_rtx_p): Prototype.
        * ifcvt.c (containts_mem_rtx_p): Move from here to...
        * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
        * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
        and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
        through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

        * input.c (assert_char_at_range): Default-initialize actual_range.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

        * df-scan.c (df_ref_create_structure): Make regno unsigned,
        to match the caller.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

        * cfgexpand.c (expand_gimple_basic_block): Disregard debug
        insns after final jump in test to emit dummy move.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

        * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
        * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.

2017-01-04  Alexandre Oliva <aoliva@redhat.com>

        * multiple_target.c (create_dispatcher_calls): Init e_next.
        * tree-ssa-loop-split.c (split_loop): Init border.
        * tree-vect-loop.c (vect_determine_vectorization_factor): Init
        scalar_type.

2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/71977
        PR target/70568
        PR target/78823
        * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
        (altivec_register_operand): Do not return true if the operand
        contains a SUBREG mixing SImode and SFmode.
        (vsx_register_operand): Likewise.
        (vsx_reg_sfsubreg_ok): New predicate.
        (vfloat_operand): Do not return true if the operand contains a
        SUBREG mixing SImode and SFmode.
        (vint_operand): Likewise.
        (vlogical_operand): Likewise.
        (gpc_reg_operand): Likewise.
        (int_reg_operand): Likewise.
        * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
        * config/rs6000/rs6000.c (valid_sf_si_move): New function to
        determine if a MOVSI or MOVSF operation contains SUBREGs that mix
        SImode and SFmode.
        (rs6000_emit_move_si_sf_subreg): New helper function.
        (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
        fixup SUBREGs involving SImode and SFmode.
        * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
        numbers for the new peephole2 optimization.
        (peephole2 for SFmode unions): New peephole2 to optimize cases in
        the GLIBC math library that do AND/IOR/XOR operations on single
        precision floating point.
        * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
        target macros to say whether we need to avoid SUBREGs mixing
        SImode and SFmode.
        (TARGET_ALLOW_SF_SUBREG): Likewise.
        * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
        (UNSPEC_SI_FROM_SF): Likewise.
        (iorxor): Change spacing.
        (and_ior_xor): New iterator for AND, IOR, and XOR.
        (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
        (movdi_from_sf_zero_ext): Likewise.
        (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
        instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
        (movsf_from_si): New insn for SImode/SFmode SUBREG support.
        (fma<mode>4): Use gpc_reg_operand instead of register_operand.
        (fms<mode>4): Likewise.
        (fnma<mode>4): Likewise.
        (fnms<mode>4): Likewise.
        (nfma<mode>4): Likewise.
        (nfms<mode>4): Likewise.

2017-01-04  Marek Polacek  <polacek@redhat.com>

        PR c++/64767
        * doc/invoke.texi: Document -Wpointer-compare.

2017-01-04  Jakub Jelinek  <jakub@redhat.com>

        * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
        RejectNegative.

        * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
        descriptions for -gdwarf-5 and emit them as uleb128 instead of
        2-byte data.

2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        PR target/78056
        * doc/sourcebuild.texi (PowerPC-specific attributes): Add
        documentation of the powerpc_popcntb_ok attribute.
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
        code to issue warning messages if a requested CPU configuration is
        not supported by the binary (assembler and loader) toolchain.
        (spe_init_builtins): Add two assertions to prevent ICE if attempt is
        made to define a built-in function that has been disabled.
        (paired_init_builtins): Add assertion to prevent ICE if attempt is
        made to define a built-in function that has been disabled.
        (altivec_init_builtins): Add comment explaining why definition
        of the DST built-in functions is not preceded by an assertion
        check.  Add assertions to prevent ICE if attempts are made to
        define an altivec predicate or an abs* built-in function that has
        been disabled.
        (htm_init_builtins): Add comment explaining why definition of the
        htm built-in functions is not preceded by an assertion check.

2017-01-04  Jeff Law  <law@redhat.com>

        PR tree-optimizatin/67955
        * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
        Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
        the points-to solution does not include pt_null.  Use DECL_PT_UID
        unconditionally.

2017-01-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
        Use gen_int_mode instead of gen_lopwart for const_int operands.

2017-01-04  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/71563
        * match.pd: Simplify X << Y into X if Y is known to be 0 or
        out of range value - has low bits known to be zero.

2017-01-04  Alan Modra  <amodra@gmail.com>

        * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
        * configure: Regenerate.
        * config.in: Regenerate.

2017-01-04  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/77569
        * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
        a substring of the message, but strcmp with the whole message.  Ifdef
        ENABLE_NLS, translate the message first using dgettext.

2017-01-03  Jeff Law  <law@redhat.com>

        PR tree-optimizatin/78856
        * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
        (mark_threaded_blocks): Remove code to truncate thread paths that
        cross multiple loop headers.  Instead invalidate the cached loop
        iteration information and handle case of a thread path walking
        into an irreducible region.

2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/78900
        * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
        assertions.  Add support for doing the signbit if the IEEE 128-bit
        floating point value is in a GPR.
        * config/rs6000/rs6000.md (Fsignbit): Delete.
        (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
        Update the length attribute if the value is in a GPR.
        (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
        the sign or zero extension instruction, since the value is always 0/1.
        (signbit<mode>2_dm2): Delete using <Fsignbit>.

        PR target/78953
        * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
        extracting SImode to a GPR register so that we can generate a
        store, limit the vector to be in a traditional Altivec register
        for the vextuwrx instruction.

2017-01-03  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.

2017-01-03  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/78696
        * gimple-ssa-sprintf.c (format_floating): Correct handling of
        precision.  Use MPFR for %f for greater fidelity.  Correct handling
        of %g.
        (pass_sprintf_length::compute_format_length): Set width and precision
        specified by asrerisk to void_node for vararg functions.
        (try_substitute_return_value): Adjust dump output.

2017-01-03  David Edelsohn  <dje.gcc@gmail.com>

        * doc/invoke.texi (RS6000 options): LRA is enabled by default.

2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/invoke.texi (SPARC options): Document -mlra as the default.
        * config/sparc/sparc.c (sparc_option_override): Force LRA unless
        -mlra/-mno-lra was passed to the compiler.

2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>

        PR rtl-optimization/65618
        * emit-rtl.c (try_split): Move initialization of "before" and
        "after" to just before the call to emit_insn_after_setloc.

2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/md.texi (Standard Names): Remove reference to Java frontend.

2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>

        * dwarf2out.c (gen_enumeration_type_die): When
        -gno-strict-dwarf, add a DW_AT_encoding attribute.

2017-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/78965
        * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
        Change first argument from const call_info & to call_info &.  For %n
        set info.nowrite to false.

        PR middle-end/78901
        * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
        possibly throwing calls.

        * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
        and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
        and fns handling, rather than in a separate case SSA_NAME.

2017-01-02  Jeff Law  <law@redhat.com>

        * config/darwin-driver.c (darwin_driver_init): Const-correctness
        fixes for first_period and second_period variables.

2017-01-02  Uros Bizjak  <ubizjak@gmail.com>

        PR target/78967
        * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
        (*insvqi_1): New insn pattern.
        (*insvqi_1_mem_rex64): Ditto.
        (*insvqi_2): Ditto.
        (*insvqi_3): Rename from *insvqi.

        (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.

2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/cfg.texi (Edges): Remove reference to Java.
        (Maintaining the CFG): Ditto.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/77674
        * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
        transparent aliases.

2017-01-01  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/77484
        * predict.def (PRED_CALL): Update hitrate.
        (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
        * predict.c (tree_estimate_probability_bb): Split CALL predictor
        into direct/indirect/polymorphic variants.

2017-01-01  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.
\f
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