Andrew pointed out that I did not document the new architecture extension flag I...

[gcc.git] / gcc / ChangeLog

2017-07-03  James Greenhalgh  <james.greenhalgh@arm.com>

        * doc/invoke.texi (rcpc architecture extension): Document it.

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

        PR tree-optimization/60510
        * tree-vect-loop.c (vect_create_epilog_for_reduction): Pass in
        the scalar reduction PHI and use it.
        (vectorizable_reduction): Properly guard the single_defuse_cycle
        path for non-SLP reduction chains where we cannot use it.
        Rework reduc_def/index and vector type deduction.  Rework
        vector operand gathering during reduction op code-gen.
        * tree-vect-slp.c (vect_analyze_slp): For failed SLP reduction
        chains dissolve the chain and leave it to non-SLP reduction
        handling.

2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-data-ref.h (dr_alignment): Declare.
        * tree-data-ref.c (dr_alignment): New function.
        * tree-vectorizer.h (dataref_aux): Remove base_element_aligned.
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Don't
        set it.
        * tree-vect-stmts.c (vectorizable_store): Use dr_alignment.

2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-data-ref.h (innermost_loop_behavior): Add base_alignment
        and base_misalignment fields.
        (DR_BASE_ALIGNMENT, DR_BASE_MISALIGNMENT): New macros.
        * tree-data-ref.c: Include builtins.h.
        (dr_analyze_innermost): Set up the new innmost_loop_behavior fields.
        * tree-vectorizer.h (STMT_VINFO_DR_BASE_ALIGNMENT): New macro.
        (STMT_VINFO_DR_BASE_MISALIGNMENT): Likewise.
        * tree-vect-data-refs.c: Include tree-cfg.h.
        (vect_compute_data_ref_alignment): Use the new innermost_loop_behavior
        fields instead of calculating an alignment here.
        (vect_analyze_data_refs): Use dr_analyze_innermost.  Dump the new
        innermost_loop_behavior fields.

2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-data-ref.h (innermost_loop_behavior): Add a step_alignment
        field.
        (DR_STEP_ALIGNMENT): New macro.
        * tree-vectorizer.h (STMT_VINFO_DR_STEP_ALIGNMENT): Likewise.
        * tree-data-ref.c (dr_analyze_innermost): Initalize step_alignment.
        (create_data_ref): Print it.
        * tree-vect-stmts.c (vectorizable_load): Use the step alignment
        to tell whether the step preserves vector (mis)alignment.
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
        Move the check for an integer step and generalise to all INTEGER_CST.
        (vect_analyze_data_refs): Set DR_STEP_ALIGNMENT when setting DR_STEP.
        Print the outer step alignment.

2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-data-ref.h (innermost_loop_behavior): Replace aligned_to
        with offset_alignment.
        (DR_ALIGNED_TO): Delete.
        (DR_OFFSET_ALIGNMENT): New macro.
        * tree-vectorizer.h (STMT_VINFO_DR_ALIGNED_TO): Delete.
        (STMT_VINFO_DR_OFFSET_ALIGNMENT): New macro.
        * tree-data-ref.c (dr_analyze_innermost): Update after above changes.
        (create_data_ref): Likewise.
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
        (vect_analyze_data_refs): Likewise.
        * tree-if-conv.c (if_convertible_loop_p_1): Use memset before
        creating dummy innermost behavior.

2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-data-ref.h (dr_analyze_innermost): Replace the dr argument
        with a "innermost_loop_behavior *" and refeence tree.
        * tree-data-ref.c (dr_analyze_innermost): Likewise.
        (create_data_ref): Update call accordingly.
        * tree-predcom.c (find_looparound_phi): Likewise.

2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-vectorizer.h (_stmt_vec_info): Replace individual dr_*
        fields with dr_wrt_vec_loop.
        (STMT_VINFO_DR_BASE_ADDRESS, STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET)
        (STMT_VINFO_DR_STEP, STMT_VINFO_DR_ALIGNED_TO): Update accordingly.
        (STMT_VINFO_DR_WRT_VEC_LOOP): New macro.
        (vect_dr_behavior): New function.
        (vect_create_addr_base_for_vector_ref): Remove loop parameter.
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use
        vect_dr_behavior.  Use a step_preserves_misalignment_p boolean to
        track whether the step preserves the misalignment.
        (vect_create_addr_base_for_vector_ref): Remove loop parameter.
        Use vect_dr_behavior.
        (vect_setup_realignment): Update call accordingly.
        (vect_create_data_ref_ptr): Likewise.  Use vect_dr_behavior.
        * tree-vect-loop-manip.c (vect_gen_prolog_loop_niters): Update
        call to vect_create_addr_base_for_vector_ref.
        (vect_create_cond_for_align_checks): Likewise.
        * tree-vect-patterns.c (vect_recog_bool_pattern): Copy
        STMT_VINFO_DR_WRT_VEC_LOOP as a block.
        (vect_recog_mask_conversion_pattern): Likewise.
        * tree-vect-stmts.c (compare_step_with_zero): Use vect_dr_behavior.
        (new_stmt_vec_info): Remove redundant zeroing.

2017-07-02  Richard Earnshaw  <rearnsha@arm.com>

        * common/config/arm/arm-common.c (arm_be8_option): New function.
        * config/arm/arm-isa.h (isa_feature): Add new feature bit isa_bit_be8.
        (ISA_ARMv6): Add isa_bit_be8.
        * config/arm/arm.h (arm_be8_option): Add prototype.
        (BE8_SPEC_FUNCTION): New define.
        (EXTRA_SPEC_FUNCTIONS): Add BE8_SPEC_FUNCTION.
        * config/arm/arm.opt (mbig-endian): Mark as Negative of mlittle-endian.
        (mlittle-endian): Similarly.
        (mbe8, mbe32): New options.
        * config/arm/bpabi.h (BE8_LINK_SPEC): Call arm_be8_option.
        * doc/invoke.texi (ARM Options): Document -mbe8 and -mbe32.

2017-07-02  Jan Hubicka  <hubicka@ucw.cz>

        * tree-cfg.c (gimple_find_sub_bbs): Fix profile updating.

2017-07-02  Jan Hubicka  <hubicka@ucw.cz>

        * tree-cfgcleanup.c (want_merge_blocks_p): New function.
        (cleanup_tree_cfg_bb): Use it.
        * profile-count.h (profile_count::of_for_merging, profile_count::merge):
        New functions.
        * tree-cfg.c (gimple_merge_blocks): Use profile_count::merge.

2017-07-02  Jan Hubicka  <hubicka@ucw.cz>

        PR bootstrap/81285
        * loop-doloop.c (add_test): Update profile.

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

        PR sanitize/81040
        * sanopt.c (rewrite_usage_of_param): New function.
        (sanitize_rewrite_addressable_params): Likewise.
        (pass_sanopt::execute): Call rewrite_usage_of_param.

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

        * tree-vect-loop.c (vect_create_epilog_for_reduction): Revert
        back to using VIEW_CONVERT_EXPR.

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

        PR other/78366
        * doc/extend.texi: Document when a resolver function is
        generated for target_clones.

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

        * asan.c (asan_emit_stack_protection): Unpoison just red zones
        and shadow memory of auto variables which are subject of
        use-after-scope sanitization.
        (asan_expand_mark_ifn): Add do set only when is_poison.

2016-07-03  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vect_analyze_loop_operations): Also analyze
        reduction PHIs.
        (vect_force_simple_reduction): Record reduction def -> phi mapping.
        (vectorizable_reduction): Perform reduction PHI creation when
        visiting a reduction PHI and adjust and simplify code generation
        phase of the reduction op.  Cache dts, use fold_binary, not fold_build2.
        (vect_transform_loop): Visit reduction PHIs.
        * tree-vect-slp.c (vect_get_and_check_slp_defs): Record reduction
        defs into the SLP tree.
        (vect_build_slp_tree): Reduction defs terminate the recursion.
        * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Allow lookup
        of reduction defs.
        (vect_get_vec_defs_for_stmt_copy): Export.
        (vect_get_vec_defs): Likewise.
        * tree-vectorizer.h (struct _stmt_vec_info): Amend reduc_def
        purpose.
        (vect_get_vec_defs_for_stmt_copy): Declare.
        (vect_get_vec_defs): Likewise.

2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-data-ref.c (dr_analyze_innermost): Replace the "nest"
        parameter with a "loop" parameter and use it instead of the
        loop containing DR_STMT.  Don't check simple_iv when doing
        BB analysis.  Describe the two analysis modes in the comment.

2017-07-03  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/69468
        * tree-ssa-tail-merge.c (ignore_edge_flags): New constant.
        (find_same_succ_bb): Handle ignore_edge_flags.

2017-07-03  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/81192
        * tree-ssa-tail-merge.c (same_succ_hash): Use bb->loop_father->num in
        hash.
        (same_succ::equal): Don't find bbs to be equal if bb->loop_father
        differs.
        (find_same_succ_bb): Remove obsolete test on bb->loop_father->latch.

2017-07-03  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/81192
        * tree-ssa-tail-merge.c (same_succ_flush_bb): Handle
        BB_SAME_SUCC (bb) == NULL.

2017-07-02  Jan Hubicka  <hubicka@ucw.cz>

        * cfgrtl.c (rtl_verify_edges): Enable checking of profile_probability
        consistency.

2017-07-02  Jan Hubicka  <hubicka@ucw.cz>

        * dumpfile.c: Include profile-count.h
        * tree-cfg.c (gimple_duplicate_sese_tail): Drop UNUSED attributes; update
        profile.
        (insert_cond_bb): Update profile.
        * tree-cfg.h (insert_cond_bb): Update prototype.
        * tree-chkp-opt.c (chkp_optimize_string_function_calls): Update.
        * tree-dump.c: Do not include tree-cfg.

2017-07-02  Jan Hubicka  <hubicka@ucw.cz>

        * bb-reorder.c (fix_up_crossing_landing_pad): Update profile.

2017-07-02  Jan Hubicka  <hubicka@ucw.cz>

        * expect.c (dw2_build_landing_pads): Update profile of the landing pad
        bb.

2017-07-02  Jan Hubicka  <hubicka@ucw.cz>

        * tree-complex.c (expand_complex_div_wide): update profile.

2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
            Alan Hayward  <alan.hayward@arm.com>
            David Sherwood  <david.sherwood@arm.com>

        * Makefile.in (MACHMODE_H): Remove insn-modes.h
        (CORETYPES_H): New define.
        (MOSTLYCLEANFILES): Add insn-modes-inline.h.
        (insn-modes-inline.h, s-modes-inline-h): New rules.
        (generated_files): Add insn-modes-inline.h.
        (RTL_BASE_H, TREE_CORE_H): Use CORETYPES_H instead of coretypes.h.
        (build/gensupport.o, build/ggc-none.o, build/print-rtl.o): Likewise.
        (build/read-md.o, build/read-rtl.o, build/rtl.o): Likewise.
        (build/vec.o, build/hash-table.o, build/inchash.o): Likewise.
        (build/gencondmd.o, build/genattr.o, build/genattr-common.o): Likewise.
        (build/genattrtab.o, build/genautomata.o, build/gencheck.o): Likewise.
        (build/gencodes.o, build/genconditions.o): Likewise.
        (build/genconfig.o, build/genconstants.o, build/genemit.o): Likewise.
        (build/genenums.o, build/genextract.o, build/genflags.o): Likewise.
        (build/gentarget-def.o, build/genmddeps.o, build/genopinit.o)
        (build/genoutput.o, build/genpeep.o, build/genpreds.o): Likewise.
        (build/genrecog.o, build/genmddump.o, build/genmatch.o): Likewise.
        (build/gencfn-macros.o, build/gcov-iov.o): Likewise.
        * coretypes.h: Include everything up to real.h for generators.
        Include insn-modes.h first.  Include wide-int-print.h after
        wide-int.h.  Include insn-modes-inline.h and then machmode.h.
        * machmode.h: Don't include insn-modes.h here.
        * function-tests.c: Remove includes of signop.h, machmode.h,
        double-int.h and wide-int.h.
        * rtl.h: Likewise.
        * gcc-rich-location.c: Remove includes of machmode.h, double-int.h
        and wide-int.h.
        * optc-save-gen.awk: Likewise.
        * gencheck.c (BITS_PER_UNIT): Delete dummy definition.
        * godump.c: Remove include of wide-int-print.h.
        * pretty-print.h: Likewise.
        * wide-int-print.cc: Likewise.
        * wide-int.cc: Likewise.
        * hash-map-tests.c: Remove include of signop.h.
        * hash-set-tests.c: Likewise.
        * rtl-tests.c: Likewise.
        * mkconfig.sh: Remove include of machmode.h.
        * genmodes.c (emit_insn_modes_h): Split emission of inline functions
        into...
        (emit_insn_modes_inline_h): ...this new function.  Emit the code
        into an insn-modes-inline.h header file, adding appropriate
        include guards and end comments.
        (emit_insn_modes_c_header): Remove include of machmode.h.
        (emit_min_insn_modes_c_header): Include coretypes.h rather than
        machmode.h.
        (main): Handle -i flag and call emit_insn_modes_inline_h when
        it is passed.

2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-ssa-strlen.c (strinfo): Rename the length field to
        nonzero_chars.  Add a full_string_p field.
        (compare_nonzero_chars, zero_length_string_p): New functions.
        (get_addr_stridx): Add an offset_out parameter.
        Use compare_nonzero_chars.
        (get_stridx): Update accordingly.  Use compare_nonzero_chars.
        (new_strinfo): Update after above changes to strinfo.
        (set_endptr_and_length): Set full_string_p.
        (get_string_length): Update after above changes to strinfo.
        (unshare_strinfo): Update call to new_strinfo.
        (maybe_invalidate): Likewise.
        (get_stridx_plus_constant): Change off to unsigned HOST_WIDE_INT.
        Use compare_nonzero_chars and zero_string_p.  Treat nonzero_chars
        as a uhwi instead of an shwi.  Update after above changes to
        strinfo and new_strinfo.
        (zero_length_string): Assert that chainsi contains full strings.
        Use zero_length_string_p.  Update call to new_strinfo.
        (adjust_related_strinfos): Update after above changes to strinfo.
        Copy full_string_p from origsi.
        (adjust_last_stmt): Use zero_length_string_p.
        (handle_builtin_strlen): Update after above changes to strinfo and
        new_strinfo.  Install the lhs as the string length if the previous
        entry didn't describe a full string.
        (handle_builtin_strchr): Update after above changes to strinfo
        and new_strinfo.
        (handle_builtin_strcpy): Likewise.
        (handle_builtin_strcat): Likewise.
        (handle_builtin_malloc): Likewise.
        (handle_pointer_plus): Likewise.
        (handle_builtin_memcpy): Likewise.  Track nonzero characters
        that aren't necessarily followed by a nul terminator.
        (handle_char_store): Likewise.

2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>

        PR tree-optimization/80769
        * tree-ssa-strlen.c (strinfo): Document that "stmt" is also used
        for malloc and calloc.  Document the new invariant that all related
        strinfos have delayed lengths or none do.
        (verify_related_strinfos): Move earlier in file.
        (set_endptr_and_length): New function, split out from...
        (get_string_length): ...here.  Also set the lengths of related
        strinfos.
        (zero_length_string): Assert that chainsi has known (rather than
        delayed) lengths.
        (adjust_related_strinfos): Likewise.

2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>

        PR tree-optimization/81136
        * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Only
        assert that two references with the same misalignment have the same
        compile-time misalignment if those compile-time misalignments
        are known.

2017-07-01  Andi Kleen  <ak@linux.intel.com>

        * print-tree.c (print_node): Print all attributes.

2017-07-01  Jan Hubicka  <hubicka@ucw.cz>

        * cfg.c (scale_bbs_frequencies): New function.
        * cfg.h (scale_bbs_frequencies): Declare it.
        * cfgloopanal.c (single_likely_exit): Cleanup.
        * cfgloopmanip.c (scale_loop_frequencies): Take profile_probability
        as parameter.
        (scale_loop_profile): Likewise.
        (loop_version): Likewise.
        (create_empty_loop_on_edge): Update.
        * cfgloopmanip.h (scale_loop_frequencies, scale_loop_profile,
        scale_loop_frequencies, scale_loop_profile, loopify,
        loop_version): Update prototypes.
        * modulo-sched.c (sms_schedule): Update.
        * predict.c (unlikely_executed_edge_p): Also check probability.
        (probably_never_executed_edge_p): Fix typo.
        * tree-if-conv.c (version_loop_for_if_conversion): Update.
        * tree-parloops.c (gen_parallel_loop): Update.
        * tree-ssa-loop-ivcanon.c (try_peel_loop): Update.
        * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
        * tree-ssa-loop-split.c (split_loop): Update.
        * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
        * tree-vect-loop-manip.c (vect_do_peeling): Update.
        (vect_loop_versioning): Update.
        * tree-vect-loop.c (scale_profile_for_vect_loop): Update.

2017-07-01  Jan Hubicka  <hubicka@ucw.cz>

        * trans-mem.c (split_bb_make_tm_edge): Update profile.

2017-07-01  Jan Hubicka  <hubicka@ucw.cz>

        * tree-if-conv.c (combine_blocks): Use make_single_succ_edge
        to keep profile consistent.

2017-07-01  Jan Hubicka  <hubicka@ucw.cz>

        * cfgrtl.c (rtl_flow_call_edges_add): Update profile.
        * tree-cfg.c (gimple_flow_call_edges_add): Likewise.
        * profile-count.h (max_safe_multiplier): Make unsigned.
        (profile_count::guessed_zero): New.

2017-07-01  Jan Hubicka  <hubicka@ucw.cz>

        * bb-reorder.c (fix_up_crossing_landing_pad,
        fix_crossing_conditional_branches): Use make_single_succ_edge
        to keep profile consistent.

2017-07-01  Jan Hubicka  <hubicka@ucw.cz>

        * tree-vect-loop.c (optimize_mask_stores): Use make_single_succ_edge
        to update profile.

2017-07-01  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/81262
        * bb-reorder.c (fix_up_fall_thru_edges): Move variable declarations to
        the right scopes, make sure cond_jump isn't preserved between multiple
        iterations.  Search for fallthru edge whenever there are 3+ edges and
        use find_fallthru_edge for it.

2017-06-29  Jan Hubicka  <hubicka@ucw.cz>

        Patch by Alexander Monakov <amonakov@ispras.ru>
        * sel-sched-ir.c (compute_succs_info): Handle uninitialized
        probabilities consistently.

2017-06-29  Jan Hubicka  <hubicka@ucw.cz>

        * pa.c (pa_expand_compare_and_swap_loop): Update call of
        emit_cmp_and_jump_insns.

2017-06-29  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/81261
        * tree-inline.c (expand_call_inline): Combine profile statuses.

2017-06-30  Andrew Pinski  <apinski@cavium.com>

        * tree-if-conv.c (predicate_scalar_phi): Update new_stmt if
        fold_stmt returned true.

2017-06-30  Nathan Sidwell  <nathan@acm.org>

        * ggc.h (empty_string): Delete.
        * cfgexpand.c (expand_asm_stmt): Use plain "".
        * optabs.c (expand_asm_memory_barrier): Likewise.
        * stringpool.c (empty_string): Delete.
        (digit_vector, digit_string): Delete.
        (ggc_alloc_string): Use plain "", don't optimize single digit
        strings.  Use ggc_alloc_atomic.

2017-06-30  Richard Earnshaw  <rearnsha@arm.com>

        * rtlanal.c (insn_rtx_cost): If a parallel contains exactly one
        comparison set and one other set, use the cost of the non-comparison
        set.

2017-06-30  Nathan Sidwell  <nathan@acm.org>

        * ggc.h: Replace all 'static inline' with plain 'inline'.  Fix
        some formatting.

2017-06-30  Peter Bergner  <bergner@vnet.ibm.com>

        * tree-cfg.c (group_case_labels_stmt): Merge scanning and compressing
        loops.  Remove now unneeded calls to gimple_switch_set_label() that
        just set removed labels to NULL_TREE.

2017-06-30  Aldy Hernandez  <aldyh@redhat.com>

        * tree-ssanames.c (set_range_info_raw): Abstract from ...
        (set_range_info): ...here.  Only call set_range_info_raw if domain
        is useful.
        (set_nonzero_bits): Call set_range_info_raw.
        * tree-ssanames.h (set_range_info_raw): New.

2017-06-30  Jakub Jelinek  <jakub@redhat.com>

        PR target/81225
        * config/i386/sse.md (vec_extract_lo_<mode><mask_name>): For V8FI,
        V16FI and VI8F_256 iterators, use <store_mask_predicate> instead
        of nonimmediate_operand and <store_mask_constraint> instead of m
        for the input operand.  For V8FI iterator, always split if input
        is a MEM.  For V16FI and V8SF_256 iterators, don't test if both
        operands are MEM if <mask_applied>.  For VI4F_256 iterator, use
        <store_mask_predicate> instead of register_operand and
        <store_mask_constraint> instead of v for the input operand.  Make
        sure both operands aren't MEMs for if not <mask_applied>.

2017-06-30  Sylvestre Ledru  <sylvestre@debian.org>

        * lto-wrapper.c (copy_file) Close both file descriptors before
        exiting normally.

2017-06-30  Martin Liska  <mliska@suse.cz>

        PR ipa/81214
        * multiple_target.c (create_dispatcher_calls): Make ifunc
        also for function that don't have calls or are not referenced.

2017-06-30  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_slp_analyze_node_operations): Only
        analyze the first scalar stmt.  Move vector type computation
        for the BB case here from ...
        * tree-vect-stmts.c (vect_analyze_stmt): ... here.  Guard
        live operation processing in the SLP case properly.

2017-06-30  Richard Biener  <rguenther@suse.de>

        * graph.c (draw_cfg_node_succ_edges): Fix broken dot syntax.

2017-06-30  Martin Liska  <mliska@suse.cz>

        PR sanitizer/81021
        * tree-eh.c (lower_resx): Call BUILT_IN_ASAN_HANDLE_NO_RETURN
        before BUILT_IN_UNWIND_RESUME when ASAN is used.

2017-06-30  Yvan Roux  <yvan.roux@linaro.org>

        * doc/invoke.texi (AArch64): Add missing options and remove redundant
        ones.

2017-06-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/81249
        * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
        condition reduction result to original scalar type.

2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * profile-count.h (enum profile_quality): Fix typos and whitespace
        issues.

2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_expand_setmem): Adjust to the new data
        type for branch probabilities.

2017-06-29  Julian Brown  <julian@codesourcery.com>
            Naveen H.S  <Naveen.Hurugalawadi@cavium.com>

        * config/aarch64/aarch64-fusion-pairs.def: Add ALU_BRANCH entry.
        * config/aarch64/aarch64.c (AARCH64_FUSE_ALU_BRANCH): New fusion type.
        (thunderx2t99_tunings): Set AARCH64_FUSE_ALU_BRANCH flag.
        (aarch_macro_fusion_pair_p): Add support for AARCH64_FUSE_ALU_BRANCH.

2017-06-29  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>

        * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Push the
        check for CC usage into AARCH64_FUSE_CMP_BRANCH.
        * config/i386/i386.c (ix86_macro_fusion_pair_p): Push the check for
        CC usage from generic code to here.
        * sched-deps.c (sched_macro_fuse_insns): Move the condition for
        CC usage into the target macros. 

2017-06-29  Maya Rashish  <coypu@sdf.org>

        * config/netbsd.h (NETBSD_LIB_SPEC): Add -lc when creating shared
        objects.

2017-06-29  Jan Hubicka  <hubicka@ucw.cz>

        * arm/arm-builtins.c: Include profile-count.h
        * except.c (sjlj_emit_function_enter): Use
        profile_probability::unlikely.

2017-06-29  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (toc_relative_expr_p): Make tocrel_base
        and tocrel_offset be pointer args rather than implicitly using
        static versions.
        (legitimate_constant_pool_address_p, rs6000_emit_move,
        const_load_sequence_p, adjust_vperm): Add local tocrel_base and
        tocrel_offset and use in toc_relative_expr_p call.
        (print_operand, print_operand_address): Use static tocrel_base_oac
        and tocrel_offset_oac.
        (rs6000_output_addr_const_extra): Use static tocrel_base_oac and
        tocrel_offset_oac.

2017-06-29  Maya Rashish  <coypu@sdf.org>

        * config/vax/builtins.md (ffssi2_internal): Correct constraint.

2017-06-29  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.c (expand_expr) <normal_inner_ref>: When testing for unaligned
        objects, take into account only the alignment of 'op0' and 'mode1' if
        'op0' is a MEM.

2017-06-29  Steve Ellcey  <sellcey@cavium.com>

        * ccmp.c (ccmp_tree_comparison_p): New function.
        (ccmp_candidate_p): Update to use above function.
        (get_compare_parts): New function.
        (expand_ccmp_next): Update to use new functions.
        (expand_ccmp_expr_1): Take tree arg instead of gimple, update to use
        new functions.
        (expand_ccmp_expr): Pass tree instead of gimple to expand_ccmp_expr_1,
        take mode as argument.
        * ccmp.h (expand_ccmp_expr): Add mode as argument.
        * expr.c (expand_expr_real_1): Pass mode as argument.

2017-06-29  Segher Boessenkool  <segher@kernel.crashing.org>

        * combine.c (combine_instructions): Print insns to dump_file, together
        with their costs.

2017-06-29  Jan Hubicka  <hubicka@ucw.cz>

        * asan.c (asan_emit_stack_protection): Update.
        (create_cond_insert_point): Update.
        * auto-profile.c (afdo_propagate_circuit): Update.
        * basic-block.h (struct edge_def): Turn probability to
        profile_probability.
        (EDGE_FREQUENCY): Update.
        * bb-reorder.c (find_traces_1_round): Update.
        (better_edge_p): Update.
        (sanitize_hot_paths): Update.
        * cfg.c (unchecked_make_edge): Initialize probability to uninitialized.
        (make_single_succ_edge): Update.
        (check_bb_profile): Update.
        (dump_edge_info): Update.
        (update_bb_profile_for_threading): Update.
        * cfganal.c (connect_infinite_loops_to_exit): Initialize new edge
        probabilitycount to 0.
        * cfgbuild.c (compute_outgoing_frequencies): Update.
        * cfgcleanup.c (try_forward_edges): Update.
        (outgoing_edges_match): Update.
        (try_crossjump_to_edge): Update.
        * cfgexpand.c (expand_gimple_cond): Update make_single_succ_edge.
        (expand_gimple_tailcall): Update.
        (construct_init_block): Use make_single_succ_edge.
        (construct_exit_block): Use make_single_succ_edge.
        * cfghooks.c (verify_flow_info): Update.
        (redirect_edge_succ_nodup): Update.
        (split_edge): Update.
        (account_profile_record): Update.
        * cfgloopanal.c (single_likely_exit): Update.
        * cfgloopmanip.c (scale_loop_profile): Update.
        (set_zero_probability): Remove.
        (duplicate_loop_to_header_edge): Update.
        * cfgloopmanip.h (loop_version): Update prototype.
        * cfgrtl.c (try_redirect_by_replacing_jump): Update.
        (force_nonfallthru_and_redirect): Update.
        (update_br_prob_note): Update.
        (rtl_verify_edges): Update.
        (purge_dead_edges): Update.
        (rtl_lv_add_condition_to_bb): Update.
        * cgraph.c: (cgraph_edge::redirect_call_stmt_to_calle): Update.
        * cgraphunit.c (init_lowered_empty_function): Update.
        (cgraph_node::expand_thunk): Update.
        * cilk-common.c: Include profile-count.h
        * dojump.c (inv): Remove.
        (jumpifnot): Update.
        (jumpifnot_1): Update.
        (do_jump_1): Update.
        (do_jump): Update.
        (do_jump_by_parts_greater_rtx): Update.
        (do_compare_rtx_and_jump): Update.
        * dojump.h (jumpifnot, jumpifnot_1, jumpif_1, jumpif, do_jump,
        do_jump_1. do_compare_rtx_and_jump): Update prototype.
        * dwarf2cfi.c: Include profile-count.h
        * except.c (dw2_build_landing_pads): Use make_single_succ_edge.
        (sjlj_emit_dispatch_table): Likewise.
        * explow.c: Include profile-count.h
        * expmed.c (emit_store_flag_force): Update.
        (do_cmp_and_jump): Update.
        * expr.c (compare_by_pieces_d::generate): Update.
        (compare_by_pieces_d::finish_mode): Update.
        (emit_block_move_via_loop): Update.
        (store_expr_with_bounds): Update.
        (store_constructor): Update.
        (expand_expr_real_2): Update.
        (expand_expr_real_1): Update.
        * expr.h (try_casesi, try_tablejump): Update prototypes.
        * gimple-pretty-print.c (dump_probability): Update.
        (dump_profile): New.
        (dump_gimple_label): Update.
        (dump_gimple_bb_header): Update.
        * graph.c (draw_cfg_node_succ_edges): Update.
        * hsa-gen.c (convert_switch_statements): Update.
        * ifcvt.c (cheap_bb_rtx_cost_p): Update.
        (find_if_case_1): Update.
        (find_if_case_2): Update.
        * internal-fn.c (expand_arith_overflow_result_store): Update.
        (expand_addsub_overflow): Update.
        (expand_neg_overflow): Update.
        (expand_mul_overflow): Update.
        (expand_vector_ubsan_overflow): Update.
        * ipa-cp.c (good_cloning_opportunity_p): Update.
        * ipa-split.c (split_function): Use make_single_succ_edge.
        * ipa-utils.c (ipa_merge_profiles): Update.
        * loop-doloop.c (add_test): Update.
        (doloop_modify): Update.
        * loop-unroll.c (compare_and_jump_seq): Update.
        (unroll_loop_runtime_iterations): Update.
        * lra-constraints.c (lra_inheritance): Update.
        * lto-streamer-in.c (input_cfg): Update.
        * lto-streamer-out.c (output_cfg): Update.
        * mcf.c (adjust_cfg_counts): Update.
        * modulo-sched.c (sms_schedule): Update.
        * omp-expand.c (expand_omp_for_init_counts): Update.
        (extract_omp_for_update_vars): Update.
        (expand_omp_ordered_sink): Update.
        (expand_omp_for_ordered_loops): Update.
        (expand_omp_for_generic): Update.
        (expand_omp_for_static_nochunk): Update.
        (expand_omp_for_static_chunk): Update.
        (expand_cilk_for): Update.
        (expand_omp_simd): Update.
        (expand_omp_taskloop_for_outer): Update.
        (expand_omp_taskloop_for_inner): Update.
        * omp-simd-clone.c (simd_clone_adjust): Update.
        * optabs.c (expand_doubleword_shift): Update.
        (expand_abs): Update.
        (emit_cmp_and_jump_insn_1): Update.
        (expand_compare_and_swap_loop): Update.
        * optabs.h (emit_cmp_and_jump_insns): Update prototype.
        * predict.c (predictable_edge_p): Update.
        (edge_probability_reliable_p): Update.
        (set_even_probabilities): Update.
        (combine_predictions_for_insn): Update.
        (combine_predictions_for_bb): Update.
        (propagate_freq): Update.
        (estimate_bb_frequencies): Update.
        (force_edge_cold): Update.
        * profile-count.c (profile_count::dump): Add missing space into dump.
        (profile_count::debug): Add newline.
        (profile_count::differs_from_p): Explicitly convert to unsigned.
        (profile_count::stream_in): Update.
        (profile_probability::dump): New member function.
        (profile_probability::debug): New member function.
        (profile_probability::differs_from_p): New member function.
        (profile_probability::differs_lot_from_p): New member function.
        (profile_probability::stream_in): New member function.
        (profile_probability::stream_out): New member function.
        * profile-count.h (profile_count_quality): Rename to ...
        (profile_quality): ... this one.
        (profile_probability): New.
        (profile_count): Update.
        * profile.c (compute_branch_probabilities): Update.
        * recog.c (peep2_attempt): Update.
        * sched-ebb.c (schedule_ebbs): Update.
        * sched-rgn.c (find_single_block_region): Update.
        (compute_dom_prob_ps): Update.
        (schedule_region): Update.
        * sel-sched-ir.c (compute_succs_info): Update.
        * stmt.c (struct case_node): Update.
        (do_jump_if_equal): Update.
        (get_outgoing_edge_probs): Update.
        (conditional_probability): Update.
        (emit_case_dispatch_table): Update.
        (expand_case): Update.
        (expand_sjlj_dispatch_table): Update.
        (emit_case_nodes): Update.
        * targhooks.c: Update.
        * tracer.c (better_p): Update.
        (find_best_successor): Update.
        * trans-mem.c (expand_transaction): Update.
        * tree-call-cdce.c: Update.
        * tree-cfg.c (gimple_split_edge): Upate.
        (move_sese_region_to_fn): Upate.
        * tree-cfgcleanup.c (cleanup_control_expr_graph): Upate.
        * tree-eh.c (lower_resx): Upate.
        (cleanup_empty_eh_move_lp): Upate.
        * tree-if-conv.c (version_loop_for_if_conversion): Update.
        * tree-inline.c (copy_edges_for_bb): Update.
        (copy_cfg_body): Update.
        * tree-parloops.c (gen_parallel_loop): Update.
        * tree-profile.c (gimple_gen_ic_func_profiler): Update.
        (gimple_gen_time_profiler): Update.
        * tree-ssa-dce.c (remove_dead_stmt): Update.
        * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
        * tree-ssa-loop-im.c (execute_sm_if_changed): Update.
        * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update.
        (unloop_loops): Update.
        (try_peel_loop): Update.
        * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
        * tree-ssa-loop-split.c (connect_loops): Update.
        (split_loop): Update.
        * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
        (hoist_guard): Update.
        * tree-ssa-phionlycprop.c (propagate_rhs_into_lhs): Update.
        * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update.
        (value_replacement): Update.
        * tree-ssa-reassoc.c (branch_fixup): Update.
        * tree-ssa-tail-merge.c (replace_block_by): Update.
        * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Update.
        (create_edge_and_update_destination_phis): Update.
        (compute_path_counts): Update.
        (recompute_probabilities): Update.
        (update_joiner_offpath_counts): Update.
        (freqs_to_counts_path): Update.
        (duplicate_thread_path): Update.
        * tree-switch-conversion.c (hoist_edge_and_branch_if_true): Update.
        (struct switch_conv_info): Update.
        (gen_inbound_check): Update.
        * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
        (vect_do_peeling): Update.
        (vect_loop_versioning): Update.
        * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
        (optimize_mask_stores): Update.
        * ubsan.c (ubsan_expand_null_ifn): Update.
        * value-prof.c (gimple_divmod_fixed_value): Update.
        (gimple_divmod_fixed_value_transform): Update.
        (gimple_mod_pow2): Update.
        (gimple_mod_pow2_value_transform): Update.
        (gimple_mod_subtract): Update.
        (gimple_mod_subtract_transform): Update.
        (gimple_ic): Update.
        (gimple_stringop_fixed_value): Update.
        (gimple_stringops_transform): Update.
        * value-prof.h: Update.

2017-06-29  Carl Love  <cel@us.ibm.com>

        * config/rs6000/rs6000-c.c: Add support for built-in functions
        vector signed int vec_signed (vector float);
        vector signed long long vec_signed (vector double);
        vector signed int vec_signed2 (vector double, vector double);
        vector signed int vec_signede (vector double);
        vector signed int vec_signedo (vector double);
        * config/rs6000/rs6000.c (rs6000_generate_vsigned2_code): Add
        instruction generator.
        * config/rs6000/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
        UNSPEC_VSX_VSIGNED2): Add UNSPECS.
        (vsx_xvcvspsxws, vsx_xvcvdpuxds_scale, vsx_xvcvspuxws, vsigned2_v2df):
        Add define_insn.
        (vsignedo_v2df, vsignede_v2df, vunsigned2_v2df, vunsignedo_v2df,
        vunsignede_v2df): Add define_expands.
        * config/rs6000/rs6000-builtin.def (VEC_SIGNED, VEC_UNSIGNED,
        VEC_SIGNED2, VEC_UNSIGNED2, VEC_SIGNEDE, VEC_UNSIGNEDE, VEC_SIGNEDO,
        VEC_UNSIGNEDO): Add definitions.
        * config/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
        UNSPEC_VSX_VSIGNED2): Add UNSPECs.
        (vsx_xvcvspsxws, vsx_xvcvspuxws): Add define_insn.
        (vsigned2_v2df, vsigendo_v2df, vsignede_v2df,
        vunsigned2_v2df, vunsignedo_v2df, vunsignede_v2df): Add define_expands.
        * config/rs6000/altivec.h (vec_signed, vec_signed2,
        vec_signede and vec_signedo, vec_unsigned, vec_unsigned2,
        vec_unsignede, vec_unsignedo): Add builtin defines.
        * config/rs6000-protos.h (rs6000_generate_vsigned2_code): Add extern
        declaration.
        * doc/extend.texi: Update the built-in documentation file for the
        new built-in functions.

2017-06-29  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Do not add
        reduction chains to LOOP_VINFO_REDUCTIONS.
        * tree-vect-slp.c (vect_analyze_slp): Continue looking for
        SLP reductions after processing reduction chains.

2017-06-29  Nathan Sidwell  <nathan@acm.org>

        * builtins.c (fold_builtin_FUNCTION): Use
        lang_hooks.decl_printable_name.

2017-06-29  Peter Bergner  <bergner@vnet.ibm.com>

        PR middle-end/81194
        * cfgexpand.c (expand_gimple_stmt_1): Handle switch statements
        with only one label.
        * stmt.c (expand_case): Assert NCASES is greater than one.

2017-06-29  Richard Biener  <rguenther@suse.de>

        * tree-cfg.c (group_case_labels_stmt): Return whether we changed
        anything.
        (group_case_labels): Likewise.
        (find_taken_edge): Push sanity checking on val to workers...
        (find_taken_edge_cond_expr): ... here
        (find_taken_edge_switch_expr): ... and here, handle cases
        with just a default label.
        * tree-cfg.h (group_case_labels_stmt): Adjust prototype.
        (group_case_labels): Likewise.
        * tree-cfgcleanup.c (execute_cleanup_cfg_post_optimizing): When
        group_case_labels does anything cleanup the CFG again.

2017-06-29  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/81196
        * tree-ssa-loop-niter.c (number_of_iterations_cond): Handle loop
        exit condition comparing two IVs.

2017-06-29  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/parsecpu.awk (gen_comm_data): Add initializer for
        profile to the dummy entry at the end of the list of architectures.
        * config/arm/arm-cpu-cdata.h: Regenerated.

2017-06-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
            Michael Collison <michael.collison@arm.com>

        PR target/70119
        * config/aarch64/aarch64.md (*aarch64_<optab>_reg_<mode>3_mask1):
        New pattern.
        (*aarch64_reg_<mode>3_neg_mask2): New pattern.
        (*aarch64_reg_<mode>3_minus_mask): New pattern.
        (*aarch64_<optab>_reg_di3_mask2): New pattern.
        * config/aarch64/aarch64.c (aarch64_rtx_costs): Account for cost
        of shift when the shift amount is masked with constant equal to
        the size of the mode.
        * config/aarch64/predicates.md (subreg_lowpart_operator): New
        predicate.

2017-06-29  Martin Liska  <mliska@suse.cz>

        * config/i386/i386.opt: Change range from [1,5] to [0,5].

2017-06-29  Yury Gribov  <tetra2005@gmail.com>

        PR bootstrap/80565
        * ipa-cp.c (allocate_and_init_ipcp_value): Add initialization
        code.
        * ipa-inline.h
        (edge_growth_cache_entry::edge_growth_cache_entry): New
        function.
        (reset_edge_growth_cache): Update to use constructor.

2017-06-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/aarch64/aarch64.h (AARCH64_EXPAND_ALIGNMENT): New.
        (DATA_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
        (LOCAL_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.

2017-06-28  Sebastian Peryt  <sebastian.peryt@intel.com>

        * config/i386/avx512vlintrin.h (_mm256_permutexvar_epi64)
        (_mm256_permutexvar_epi32, _mm256_permutex_epi64): New intrinsics.

2017-06-28  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        * config.gcc (*-linux-musl*): Add t-musl tmake_file.
        (*-linux-uclibc*): Add t-uclibc tmake_file.
        * config/t-musl: New.
        * config/t-uclibc: New.

2017-06-28  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/parsecpu.awk (profile): Parse new keyword in an arch
        context.
        (gen_comm_data): Emit architectural setting of arch_prof.
        * config/arm/arm-cpus.in (armv6-m, armv6s-m, armv7-a, armv7ve): Set the
        profile.
        (armv7-r, armv7-m, armv7e-m, armv8-a, armv8.1-a, armv8.2-a): Likewise.
        (armv8-m.base, armv8-m.main): Likewise.
        * arm-protos.h (arm_build_target): Add profile field.
        (arch_option): Likewise.
        * config/arm/arm.c (arm_configure_build_target): Copy the profile to
        the active target.
        * config/arm/arm.h (TARGET_ARM_ARCH_PROFILE): Use
        arm_active_target.profile.

2017-06-28  Richard Biener  <rguenther@suse.de>

        PR middle-end/81227
        * fold-const.c (negate_expr_p): Use TYPE_UNSIGNED, not
        TYPE_OVERFLOW_WRAPS.
        * match.pd (negate_expr_p): Likewise.
        * tree-ssa-reassoc.c (optimize_range_tests_diff): Use
        fold_build2, not fold_binary.

2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64 (aarch64_expand_mov_immediate):
        Convert memory address to Pmode.
        (aarch64_print_operand): Assert MEM operands are always Pmode.

2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>

        PR target/79665
        * config/arm/aarch-common.c (arm_no_early_alu_shift_dep):
        Remove redundant if.
        (aarch_forward_to_shift_is_not_shifted_reg): Remove.
        * config/arm/aarch-common-protos.h
        (aarch_forward_to_shift_is_not_shifted_re): Remove.
        * config/arm/cortex-a53.md: Use arm_no_early_alu_shift_dep in bypass.

2017-06-28  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR ipa/81238
        * multiple_target.c (create_dispatcher_calls): Set the default
        clone to be static, not public.

2017-06-28  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vectorizable_reduction): Move special
        cond reduction IV var creation ...
        (vect_create_epilog_for_reduction): ... here.  Remove induction_index
        parameter.  Use STMT_VINFO_VECTYPE.
        * tree-vect-slp.c (vect_get_constant_vectors): Properly reset
        constant_p.

2017-06-28  Martin Liska  <mliska@suse.cz>

        PR ipa/81128
        * ipa-visibility.c (non_local_p): Handle visibility.

2017-06-28  Martin Liska  <mliska@suse.cz>

        PR driver/79659
        * common.opt: Add IntegerRange to various options.
        * opt-functions.awk (integer_range_info): New function.
        * optc-gen.awk: Add integer_range_info to cl_options struct.
        * opts-common.c (decode_cmdline_option): Handle
        CL_ERR_INT_RANGE_ARG.
        (cmdline_handle_error): Likewise.
        * opts.c (print_filtered_help): Show valid interval in
        when --help is provided.
        * opts.h (struct cl_option): Add range_min and range_max fields.
        * config/i386/i386.opt: Add IntegerRange for -mbranch-cost.

2017-06-28  Marc Glisse  <marc.glisse@inria.fr>

        * match.pd ((X & ~Y) | (~X & Y)): Generalize to + and ^.
        (x * C EQ/NE y * C): New transformation.

2017-06-28  Christophe Lyon  <christophe.lyon@linaro.org>

        * genmultilib (combination_space): Accept '+' in option names.

2017-06-28  Martin Liska  <mliska@suse.cz>

        PR sanitizer/81224
        * asan.c (instrument_derefs): Bail out inner references
        that are hard register variables.

2017-06-28  Jakub Jelinek  <jakub@redhat.com>

        PR target/81175
        * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use def_builtin
        rather than def_builtin_pure for __builtin_ia32_gatherpf*.

2017-06-28  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (vect_get_vec_defs): Remove.
        (vect_get_slp_defs): Adjust.
        * tree-vect-loop.c (get_initial_defs_for_reduction): Split
        out from ...
        * tree-vect-slp.c (vect_get_constant_vectors): ... here and
        simplify.
        * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
        get_initial_defs_for_reduction instead of vect_get_vec_defs.
        (vectorizable_reduction): Adjust.
        * tree-vect-slp.c (vect_get_constant_vectors): Remove reduction
        handling.
        (vect_get_slp_defs): Likewise.
        * tree-vect-stmts.c (vect_get_vec_defs): Make static and adjust.
        (vectorizable_bswap): Adjust.
        (vectorizable_call): Likewise.
        (vectorizable_conversion): Likewise.
        (vectorizable_assignment): Likewise.
        (vectorizable_shift): Likewise.
        (vectorizable_operation): Likewise.
        (vectorizable_store): Likewise.
        (vectorizable_condition): Likewise.
        (vectorizable_comparison): Likewise.

2017-06-28  Michael Collison  <michael.collison@arm.com>

        PR target/68535
        * config/arm/arm.c (gen_ldm_seq): Remove last unnecessary
        set of base_reg
        (arm_gen_movmemqi): Removed unused variable 'i'.
        Convert 'for' loop into 'while' loop.
        (arm_expand_prologue): Remove last unnecessary set of insn.
        (thumb_pop): Remove unused variable 'pushed_words'.
        (thumb_exit): Remove last unnecessary set of regs_to_pop.

2017-06-28  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/predicates.md: Use s390_rel_address_ok_p.
        * config/s390/s390-protos.h: Add prototype of
        s390_rel_address_ok_p.
        * config/s390/s390.c (s390_got_symbol): New function.
        (s390_rel_address_ok_p): New function.
        (legitimize_pic_address): Use s390_rel_address_ok_p.
        (s390_load_got): Use s390_got_symbol.
        (s390_option_override): Issue error if
        -mno-pic-data-is-text-relative is used without -fpic/-fPIC.
        * config/s390/s390.h (TARGET_DEFAULT_PIC_DATA_IS_TEXT_RELATIVE):
        New macro.
        * config/s390/s390.opt: New option mpic-data-is-text-relative.

2017-06-27  Andrew Pinski  <apinski@cavium.com>

        * match.pd (X >/>=/</<= 0 ? 1.0 : -1.0): New patterns.
        (X * copysign (1.0, X)): New pattern.
        (X * copysign (1.0, -X)): New pattern.
        (copysign (-1.0, CST)): New pattern.

2017-06-27  Joseph Myers  <joseph@codesourcery.com>

        * genmultilib (combination_space): Remove variable.
        Validate reuse rules against regular expression for any sequence
        of multilib options in any order.

2017-06-27  Michael Collison  <michael.collison@arm.com>

        * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Directly
        call aarch64_split_simd_combine.
        * (aarch64_combine_internal<mode>): Delete pattern.
        * config/aarch64/aarch64.c (aarch64_split_simd_combine):
        Allow register and subreg operands.

2017-06-27  Jerome Lambourg  <lambourg@adacore.com>

        * config/i386/vxworks.h (ASM_SPEC): Remove definition. No target
        specific need, just fallback on defaults.
        (ASM_OUTPUT_ALIGNED_BSS): Add #undef before #define.

2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
            Olivier Hainque  <hainque@adacore.com>

        * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Pick distinct
        map for 64bits.
        (TARGET_OS_CPP_BUILTINS): builtin_define CPU to X86_64 for 64bit
        targets. Pick a default if no particular attempt applied.
        (STACK_CHECK_PROTECT): Double for 64bit targets, which have
        larger contexts.

2017-06-27  Jerome Lambourg  <lambourg@adacore.com>

        * config.gcc (i*86-wrs-vxworks7): Handle new acceptable triplet.
        (x86_64-wrs-vxworks7): Likewise.

2017-06-27  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/81223
        * ubsan.c (instrument_null): Check get_base_address's result for null.

2017-06-27  Marc Glisse  <marc.glisse@inria.fr>

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

2017-06-27  Marc Glisse  <marc.glisse@inria.fr>

        * builtin-types.def (BT_FENV_T_PTR, BT_CONST_FENV_T_PTR,
        BT_FEXCEPT_T_PTR, BT_CONST_FEXCEPT_T_PTR): New primitive types.
        (BT_FN_INT_FENV_T_PTR, BT_FN_INT_CONST_FENV_T_PTR,
        BT_FN_INT_FEXCEPT_T_PTR_INT, BT_FN_INT_CONST_FEXCEPT_T_PTR_INT):
        New function types.
        * builtins.def (BUILT_IN_FECLEAREXCEPT, BUILT_IN_FEGETENV,
        BUILT_IN_FEGETEXCEPTFLAG, BUILT_IN_FEGETROUND,
        BUILT_IN_FEHOLDEXCEPT, BUILT_IN_FERAISEEXCEPT,
        BUILT_IN_FESETENV, BUILT_IN_FESETEXCEPTFLAG,
        BUILT_IN_FESETROUND, BUILT_IN_FETESTEXCEPT,
        BUILT_IN_FEUPDATEENV): New builtins.
        * tree-core.h (TI_FENV_T_PTR_TYPE, TI_CONST_FENV_T_PTR_TYPE,
        TI_FEXCEPT_T_PTR_TYPE, TI_CONST_FEXCEPT_T_PTR_TYPE): New entries.
        * tree.h (fenv_t_ptr_type_node, const_fenv_t_ptr_type_node,
        fexcept_t_ptr_type_node, const_fexcept_t_ptr_type_node): New
        macros.
        (builtin_structptr_types): Adjust size.
        * tree.c (builtin_structptr_types): Add four entries.

2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
            Olivier Hainque  <hainque@adacore.com>

        * config/vxworks.h (VXWORKS_LIB_SPEC): Incorporate ...
        (TLS_SYM): New local macro, forcing reference to __tls__ on
        link command lines for VxWorks 7 RTPs, triggering initialization
        of tlsLib.
        (VXWORKS_HAVE_TLS): New macro. State whether the target VxWorks
        OS features TLS support, true for RTPs on VxWorks 7.
        * config/vxworks.c (vxworks_override_options): Setup emutls
        accordingly.

2017-06-27  Jakub Jelinek  <jakub@redhat.com>

        * predict.c (test_prediction_value_range): Use -1U instead of -1
        to avoid narrowing conversion warning.
        * dumpfile.c (dump_options): Wrap all value into dump_flags_t cast
        to avoid narrowing conversion warning.
        * opt-functions.awk (var_ref): Return (unsigned short) -1 instead of
        -1.
        * optc-gen.awk (END): Expect (unsigned short) -1 instead of -1.

2017-06-27  Jerome Lambourg  <lambourg@adacore.com>

        * config/vxworks.h (VXWORKS_LIBS_RTP): Alternative definition for
        64bit configurations.
        (PTR_DIFF_TYPE): Alternative definition for TARGET_LP64.
        (SIZE_TYPE): Likewise.
        * config/vxworks.c (vxworks_emutls_var_fields): Use
        long_unsigned_type_node instead of unsigned_type_node as the offset
        field type, which is "pointer" mode in emutls.c.

2017-06-27  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/81209
        * ubsan.c (ubsan_encode_value): Initialize DECL_CONTEXT on var.

        PR middle-end/81207
        * gimple-fold.c (replace_call_with_call_and_fold): Handle
        gimple_vuse copying separately from gimple_vdef copying.

2017-06-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        * value-prof.c (free_hist): Remove call to memset and the enclosing if
        condition.

2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
            Olivier Hainque  <hainque@adacore.com>

        * config.gcc (*-*-vxworks*): Add TARGET_VXWORKS7=1 to tm_defines
        for all vxworks7 targets.
        * config/vxworks.h (TARGET_VXWORKS7): If not defined, define to 0.
        (VXWORKS_ADDITIONAL_CPP_SPEC): Alternative definition for VXWORKS7.
        (VXWORKS_LIBS_RTP, VXWORKS_LIBS_RTP_DIR): New macros, allowing
        variations for VX6/VX7 and 32/64bits later on in ...
        (VXWORKS_LIB_SPEC): Leverage new macros.
        (VXWORKS_OS_CPP_BUILTINS): Define _VSB_CONFIG_FILE for VXWORKS7,
        as well as _ALLOW_KEYWORD_MACROS when "inline" is not a keyword.

2017-06-26  Jerome Lambourg  <lambourg@adacore.com>

        * config/vxworks.h (VXWORKS_OS_CPP_BUILTINS): builtin_define
        _VX_TOOL_FAMILY and _VX_TOOL to gnu.

2017-06-26  Carl Love  <cel@us.ibm.com>

        * config/rs6000/rs6000-c.c: Add support for built-in functions
        vector bool char vec_reve (vector bool char);
        vector signed char vec_reve (vector signed char);
        vector unsigned char vec_reve (vector unsigned char);
        vector bool int vec_reve (vector bool int);
        vector signed int vec_reve (vector signed int);
        vector unsigned int vec_reve (vector unsigned int);
        vector bool long long vec_reve (vector bool long long);
        vector signed long long vec_reve (vector signed long long);
        vector unsigned long long vec_reve (vector unsigned long long);
        vector bool short vec_reve (vector bool short);
        vector signed short vec_reve (vector signed short);
        vector double vec_reve (vector double);
        vector float vec_reve (vector float);
        * config/rs6000/rs6000-builtin.def (VREVE_V2DI, VREVE_V4SI,
        VREVE_V8HI, VREVE_V16QI, VREVE_V2DF, VREVE_V4SF, VREVE): New builtin.
        * config/rs6000/altivec.md (UNSPEC_VREVEV): New UNSPEC.
        (altivec_vreve): New pattern.
        * config/rs6000/altivec.h (vec_reve): New define.
        * doc/extend.texi (vec_rev): Update the built-in documentation file
        for the new built-in functions.

2016-06-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/71815
        * gimple-ssa-strength-reduction.c (uses_consumed_by_stmt): New
        function.
        (find_basis_for_candidate): Call uses_consumed_by_stmt rather than
        has_single_use.
        (slsr_process_phi): Likewise.
        (replace_uncond_cands_and_profitable_phis): Don't replace a
        multiply candidate with a stride of 1 (copy or cast).
        (phi_incr_cost): Call uses_consumed_by_stmt rather than
        has_single_use.
        (lowest_cost_path): Likewise.
        (total_savings): Likewise.

2017-06-26  Richard Biener  <rguenther@suse.de>

        PR target/81175
        * config/i386/i386.c (ix86_init_mmx_sse_builtins):
        Use def_builtin_pure for all gather builtins.

2017-06-26  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/81203
        * tree-tailcall.c (find_tail_calls): Do not move stmts into
        non-dominating BBs.

2017-06-26  Marek Polacek  <polacek@redhat.com>

        PR c/80116
        * doc/invoke.texi: Document -Wmultistatement-macros.

2017-06-26  Christophe Lyon  <christophe.lyon@linaro.org>

        * doc/sourcebuild.texi (ARM-specific attributes): Document new
        arm_neon_ok_no_float_abi effective target.

2017-06-26  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80928
        * cfghooks.c (duplicate_block): Do not copy BB_DUPLICATED flag.
        (copy_bbs): Set BB_DUPLICATED flag early.
        (execute_on_growing_pred): Do not execute for BB_DUPLICATED
        marked blocks.
        (execute_on_shrinking_pred): Likewise.
        * tree-ssa.c (ssa_redirect_edge): Do not look for PHI args in
        BB_DUPLICATED blocks.
        * tree-ssa-phionlycoprop.c (eliminate_degenerate_phis_1): Properly
        iterate over all PHIs considering removal of *gsi.

2017-06-23  Jim Wilson  <jim.wilson@linaro.org>

        * doc/invoke.texi (AArch64 Options, -mtune): Re-add falkor and
        qdf24xx.

2017-06-23  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

        * config/rs6000/rs6000-string.c: (expand_block_clear,
        do_load_for_compare, select_block_compare_mode,
        compute_current_alignment, expand_block_compare,
        expand_strncmp_align_check, expand_strn_compare,
        expand_block_move, rs6000_output_load_multiple)
        Move functions related to string/block move/compare
        to a separate file.
        * config/rs6000/rs6000.c: Move above functions to rs6000-string.c.
        * config/rs6000/rs6000-protos.h (rs6000_emit_dot_insn): Add prototype
        for this function which is now used in two files.
        * config/rs6000/t-rs6000: Add rule to compile rs6000-string.o.
        * config.gcc: Add rs6000-string.o to extra_objs for
        targets powerpc*-*-* and rs6000*-*-*.

2017-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/80510
        * config/rs6000/rs6000.md (ALTIVEC_DFORM): Do not allow DImode in
        32-bit, since indexed is not valid for DImode.
        (mov<mode>_hardfloat32): Reorder ISA 2.07 load/stores before ISA
        3.0 d-form load/stores to be the same as mov<mode>_hardfloat64.
        (define_peephole2 for Altivec d-form load): Add 32-bit support.
        (define_peephole2 for Altivec d-form store): Likewise.

        PR ipa/81185
        * multiple_target.c (create_dispatcher_calls): Only create the
        dispatcher call if the function is the default clone of a
        versioned function.

2017-06-23  Segher Boessenkool  <segher@kernel.crashing.org>

        PR middle-end/80902
        * builtins.c (expand_builtin_atomic_fetch_op): If emitting code after
        a call, force the call to not be a tail call.

2017-06-23  Jeff Law  <law@redhat.com>

        * doc/contrib.texi: Add entry for Steven Pemberton's work on
        enquire.

2017-06-23  Will Schmidt  <will_schmidt@vnet.ibm.com>

        * config/rs6000/rs6000.c: Add include of ssa-propagate.h for
        update_call_from_tree().  (rs6000_gimple_fold_builtin): Add
        handling for early expansion of vector shifts (sl,sr,sra,rl).
        (builtin_function_type): Add vector shift right instructions
        to the unsigned argument list.

2017-06-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        rtl-optimizatoin/79286
        * ira.c (update_equiv_regs): Revert to using may_trap_or_fault_p again.
        * rtlanal.c (rtx_addr_can_trap_p_1): SYMBOL_REF_FUNCTION_P can never
        trap.  PIC register plus a const unspec without offset can never trap.

2017-06-23  Marc Glisse  <marc.glisse@inria.fr>

        * tree.h (builtin_structptr_type): New type.
        (builtin_structptr_types): Declare new array.
        * tree.c (builtin_structptr_types): New array.
        (free_lang_data, build_common_tree_nodes): Use it.

2017-06-23  Jonathan Wakely  <jwakely@redhat.com>

        PR c++/81187
        * doc/invoke.texi (-Wnoexcept-type): Fix name of option, from
        -Wnoexcept.

2017-06-22  Matt Turner  <mattst88@gmail.com>

        * config/i386/driver-i386.c (host_detect_local_cpu): Add Kaby
        Lake models to skylake case.  Assume skylake for unknown
        models with clflushopt.

2017-06-22  Jeff Law  <law@redhat.com>

        * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Handle
        frame sizes that do not satisfy aarch64_uimm12_shift.

2017-06-22  Jan Hubicka <hubicka@ucw.cz>

        * profile-count.h (apply_probability,
        apply_scale, probability_in): Fix checks for zero.

2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * incpath.c (add_sysroot_to_chain): Allow for $SYSROOT prefix.
        * doc/cppdiropts.texi (-I @var{dir}): Document it.

2016-06-22  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vect_model_reduction_cost): Handle
        COND_REDUCTION and INTEGER_INDUC_COND_REDUCTION without
        REDUC_MAX_EXPR support.
        (vectorizable_reduction): Likewise.
        (vect_create_epilog_for_reduction): Likewise.

2017-06-22  James Greenhalgh  <james.greenhalgh@arm.com>

        * match.pd (A / (1 << B) -> A >> B): New.
        * generic-match-head.c: Include optabs-tree.h.
        * gimple-match-head.c: Likewise.
        * optabs-tree.h (target_supports_op_p): New.
        * optabs-tree.c (target_supports_op_p): New.

2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_static_dynamic): Also check stderr for
        $gcc_cv_ld --help output.
        (gcc_cv_ld_demangle): Likewise.
        (gcc_cv_ld_eh_frame_hdr): Likewise.
        (gcc_cv_ld_pie): Likewise.
        (gcc_cv_ld_as_needed): Likewise.  Prefer native forms unless $gnu_ld.
        (gcc_cv_ld_buildid): Likewise.
        (gcc_cv_ld_sysroot): Likewise.
        (ld_bndplt_support): Likewise.
        (ld_pushpopstate_support): Likewise.
        * configure: Regenerate.
        * config/sol2.h [!USE_GLD] (SYSROOT_SPEC): Define.

2017-06-21  Jakub Jelinek  <jakub@redhat.com>

        PR target/81151
        * config/i386/sse.md (round<mode>2): Renumber match_dup and
        operands indexes to avoid gap between operands and match_dups.

2017-06-21  Andrew Pinski  <apinski@cavium.com>

        * config/aarch64/aarch64-cost-tables.h (thunderx_extra_costs):
        Increment Arith_shift and Arith_shift_reg by 1.
        * config/aarch64/aarch64-tuning-flags.def (cheap_shift_extend):
        New tuning flag.
        * config/aarch64/aarch64.c (thunderx_tunings): Enable
        AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
        (aarch64_strip_extend): Add new argument and test for it.
        (aarch64_cheap_mult_shift_p): New function.
        (aarch64_rtx_mult_cost): Call aarch64_cheap_mult_shift_p and don't
        add a cost if it is true.
        Update calls to aarch64_strip_extend.
        (aarch64_rtx_costs): Update calls to aarch64_strip_extend.

2017-06-21  Andrew Pinski  <apinski@cavium.com>

        * config/aarch64/aarch64-cores.def (thunderxt88p1): Use thunderxt88
        tunings.
        (thunderxt88): Likewise.
        * config/aarch64/aarch64.c (thunderxt88_prefetch_tune): New variable.
        (thunderx_prefetch_tune): New variable.
        (thunderx2t99_prefetch_tune): Update for the correct values.
        (thunderxt88_tunings): New variable.
        (thunderx_tunings): Use thunderx_prefetch_tune instead of
        generic_prefetch_tune.
        (thunderx2t99_tunings): Use AUTOPREFETCHER_WEAK.

2017-06-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>_lse,
        SHORT): Relax operand 3 to aarch64_reg_or_zero and constraint to Z.
        (aarch64_compare_and_swap<mode>_lse, GPI): Likewise.
        (aarch64_atomic_cas<mode>, SHORT): Likewise for operand 2.
        (aarch64_atomic_cas<mode>, GPI): Likewise.

2017-06-21  Martin Liska  <mliska@suse.cz>

        * gimplify.c (gimplify_label_expr): Insert GIMPLE_PREDICT
        statements on cold and hot labels.
        * predict.c (tree_estimate_probability_bb): Remove the
        prediction from this place.

2017-06-21  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/79489
        * gimplify.c (maybe_add_early_return_predict_stmt): New
        function.
        (gimplify_return_expr): Call the function.
        * predict.c (tree_estimate_probability_bb): Remove handling
        of early return.
        * predict.def: Update comment about early return predictor.
        * gimple-predict.h (is_gimple_predict): New function.
        * predict.def: Change default value of early return to 66.
        * tree-tailcall.c (find_tail_calls): Skip GIMPLE_PREDICT
        statements.
        * passes.def: Put pass_strip_predict_hints to the beginning of
        IPA passes.

2017-06-21  Pierre-Marie de Rodat  <derodat@adacore.com>

        * dwarf2out.c (gen_decl_die): Remove the guard to skip file-scope
        FUNCTION_DECL declarations.
        (dwarf2out_early_global_decl): Remove the guard to skip FUNCTION_DECL
        declarations.
        (dwaf2out_decl): Likewise.
        * godump.c (go_early_global_decl): Skip call to the real debug hook
        for FUNCTION_DECL declarations.
        * passes.c (rest_of_decl_compilation): Skip call to the
        early_global_decl debug hook for FUNCTION_DECL declarations, unless
        -fdump-go-spec is passed.

2017-06-21  Marc Glisse  <marc.glisse@inria.fr>

        * config/i386/i386.c (struct builtin_isa): New field pure_p.
        Reorder for compactness.
        (def_builtin, def_builtin2, ix86_add_new_builtins): Handle pure_p.
        (def_builtin_pure, def_builtin_pure2): New functions.
        (ix86_init_mmx_sse_builtins) [__builtin_ia32_stmxcsr]: Mark as pure.

2017-06-21  Marc Glisse  <marc.glisse@inria.fr>

        * match.pd (nop_convert): New predicate.
        ((A +- CST1) +- CST2): Allow some NOP conversions.

2017-06-21  Jakub Jelinek  <jakub@redhat.com>

        PR c++/81130
        * gimplify.c (omp_add_variable): Don't force GOVD_SEEN for types
        with ctors/dtors if GOVD_SHARED is set.

2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.md (movti_aarch64):
        Emit mov rather than orr.
        (movtf_aarch64): Likewise.
        * config/aarch64/aarch64-simd.md (aarch64_simd_mov):
        Emit mov rather than orr.

2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64-simd.md (aarch64_simd_dup):
        Swap alternatives, make integer dup more expensive.

2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (aarch64_legitimate_constant_p):
        Return true for non-tls symbols.

2017-06-21  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-cores.def (cortex-a55): New.
        (cortex-a75): Likewise.
        (cortex-a75.cortex-a55): Likewise.
        * config/aarch64/aarch64-tune.md: Regenerate.
        * doc/invoke.texi (-mtune): Document new values for -mtune.

2017-06-21  Tom de Vries  <tom@codesourcery.com>

        * doc/sourcebuild.texi (Add Options, Features for dg-add-options): Add
        stack_size feature.
        (Effective-Target Keywords, Other attributes): Suggest using
        dg-add-options stack_size feature to get stack limit in stack_size
        effective target documentation.

2017-06-21  Julian Brown  <julian@codesourcery.com>
            Naveen H.S  <Naveen.Hurugalawadi@cavium.com>

        * config/aarch64/aarch64-simd.md (aarch64_crypto_pmulldi)
        (aarch64_crypto_pmullv2di): Change type attribute to crypto_pmull.
        * config/aarch64/thunderx2t99.md (thunderx2t99_pmull): New
        reservation.
        * config/arm/cortex-a53.md (cortex_a53_advsimd_type): Add crypto_pmull to
        attribute type list for neon_multiply.
        * config/arm/cortex-a57.md (cortex_a57_neon_type): Add crypto_pmull to
        attribute type list for neon_multiply.
        * config/arm/crypto.md (crypto_vmullp64): Change type to crypto_pmull.
        * config/arm/exynos-m1.md (exynos_m1_neon_type): Add crypto_pmull to
        attribute type list for neon_multiply.
        * config/arm/types.md (crypto_pmull): Add.
        * config/arm/xgene1.md (xgene1_neon_pmull): Add crypto_pmull to
        attribute type list.    

2017-06-20  Andreas Tobler  <andreast@gcc.gnu.org>

        * config.gcc (armv6*-*-freebsd*): Change the target_cpu_cname to
        arm1176jzf-s.

2017-06-20  Jakub Jelinek  <jakub@redhat.com>

        * ira-costs.c (find_costs_and_classes): Initialize cost_classes later
        to make sure not to dereference a NULL cost_classes_ptr pointer.

2017-06-20  Carl Love  <cel@us.ibm.com>

        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
        ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
        * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
        builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
        * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
        VMULOSW): New enum "unspec" values.
        (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
        vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
        altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
        altivec_vmulosw): New patterns.
        * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
        VMULOSW): Add definitions.

2017-06-20  Julia Koval  <julia.koval@intel.com>

        * config/i386/i386.c: Fix rounding expand for new pattern.
        * config/i386/subst.md: Fix pattern (parallel -> unspec).

2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-option-extensions.def (rcpc): New.
        * config/aarch64/aarch64.h (AARCH64_FL_RCPC): New.

2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-option-extensions.def (fp16): Fix expected
        feature string.

2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-cores.def: Rearrange to sort by
        architecture, then by implementer ID.
        * config/aarch64/aarch64-tune.md: Regenerate.

2017-06-20  Richard Biener  <rguenther@suse.de>

        PR middle-end/81097
        * fold-const.c (split_tree): Fold to type before negating.

2017-06-20  David Malcolm  <dmalcolm@redhat.com>

        * diagnostic-show-locus.c
        (selftest::test_fixit_deletion_affecting_newline): New function.
        (selftest::diagnostic_show_locus_c_tests): Call it.

2017-06-20  Andreas Schwab  <schwab@suse.de>

        PR target/80970
        * config/m68k/m68k.md (bsetdreg, bchgdreg, bclrdreg): Use "=d"
        instead of "+d".

2017-06-20  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>

        * config/arm/arm-c.c (arm_cpu_builtins): New block to define
        __ARM_FEATURE_COPROC according to support.

2017-06-20  Jakub Jelinek  <jakub@redhat.com>

        * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
        Rewritten to avoid overflow for > 32-bit pointers.

        PR sanitizer/81125
        * ubsan.h (ubsan_encode_value): Workaround buggy clang++ parser
        by removing enum keyword.
        (ubsan_type_descriptor): Likewise.  Formatting fix.

        PR target/81121
        * config/i386/i386.md (TARGET_USE_VECTOR_CONVERTS float si->{sf,df}
        splitter): Require TARGET_SSE2 in the condition.

2017-06-20  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/79799
        * config/rs6000/rs6000.c (rs6000_expand_vector_init): Add support
        for doing vector set of SFmode on ISA 3.0.
        * config/rs6000/vsx.md (vsx_set_v4sf_p9): Likewise.
        (vsx_set_v4sf_p9_zero): Special case setting 0.0f to a V4SF
        element.
        (vsx_insert_extract_v4sf_p9): Add an optimization for inserting a
        SFmode value into a V4SF variable that was extracted from another
        V4SF variable without converting the element to double precision
        and back to single precision vector format.
        (vsx_insert_extract_v4sf_p9_2): Likewise.

2017-06-19  Jakub Jelinek  <jakub@redhat.com>

        * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Multiply
        in UWHI to avoid undefined overflow.

        PR sanitizer/81125
        * ubsan.h (enum ubsan_encode_value_phase): New.
        (ubsan_encode_value): Change second argument to
        enum ubsan_encode_value_phase with default value of
        UBSAN_ENCODE_VALUE_GENERIC.
        * ubsan.c (ubsan_encode_value): Change second argument to
        enum ubsan_encode_value_phase PHASE from bool IN_EXPAND_P,
        adjust uses, for UBSAN_ENCODE_VALUE_GENERIC use just
        create_tmp_var_raw instead of create_tmp_var and use a
        TARGET_EXPR.
        (ubsan_expand_bounds_ifn, ubsan_build_overflow_builtin,
        instrument_bool_enum_load, ubsan_instrument_float_cast): Adjust
        ubsan_encode_value callers.

        PR sanitizer/81111
        * ubsan.c (ubsan_encode_value): If current_function_decl is NULL,
        use create_tmp_var_raw instead of create_tmp_var, mark it addressable
        just by setting TREE_ADDRESSABLE on the result and use a TARGET_EXPR.

2017-06-19  Richard Biener  <rguenther@suse.de>

        PR middle-end/81118
        * tree-cfgcleanup.c (cleanup_tree_cfg_noloop): Clear niter
        estimates if we changed anything.

2017-06-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80887
        * tree-ssa-sccvn.c (mprts_hook_cnt): New global.
        (vn_lookup_simplify_result): Allow only mprts_hook_cnt succesful
        simplified lookups, then reset mprts_hook.
        (vn_nary_build_or_lookup_1): Set mprts_hook_cnt to 9 before
        simplifying.
        (try_to_simplify): Likewise.

2017-06-19  Martin Liska  <mliska@suse.cz>

        PR sanitizer/80879
        * gimplify.c (gimplify_switch_expr):
        Initialize live_switch_vars for SWITCH_BODY == STATEMENT_LIST.

2017-06-19  Martin Liska  <mliska@suse.cz>

        * doc/install.texi: Document that PGO runs in 4 stages.

2017-06-19  Martin Liska  <mliska@suse.cz>

        PR ipa/80732
        * attribs.c (make_dispatcher_decl): Do not append '.ifunc'
        to dispatcher function name.
        * multiple_target.c (replace_function_decl): New function.
        (create_dispatcher_calls): Redirect both edges and references.

2017-06-19  Jan Hubicka <hubicka@ucw.cz>

        * profile-count.c (profile_count::dump): Dump quality.
        (profile_count::differs_from_p): Update for unsigned val.
        * profile-count.h (profile_count_quality): New enum.
        (profile_count): Turn m_val to 62bit unsigned, add quality tracking.

2017-06-19  Richard Biener  <rguenther@suse.de>

        * tree-ssa-loop-niter.h (estimate_numbers_of_iterations): Take
        struct function as arg.
        (estimate_numbers_of_iterations): Export overload with loop arg.
        (free_numbers_of_iterations_estimates_loop): Use an overload of
        free_numbers_of_iterations_estimates instead.
        * tree-cfg.c (remove_bb): Adjust.
        * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Likewise.
        * tree-parloops.c (gen_parallel_loop): Likewise.
        * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
        Likewise.
        (tree_unroll_loops_completely): Likewise.
        * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
        Use an overload instead and export.
        (estimated_loop_iterations): Adjust.
        (max_loop_iterations): Likewise.
        (likely_max_loop_iterations): Likewise.
        (estimate_numbers_of_iterations): Take struct function as arg
        and adjust.
        (loop_exits_before_overflow): Adjust.
        (free_numbers_of_iterations_estimates_loop): Use an overload.
        * tree-vect-loop.c (vect_analyze_loop_form): Adjust.
        * tree-vectorizer.c (vect_free_loop_info_assumptions): Likewise.

2017-06-19  Richard Biener  <rguenther@suse.de>

        PR ipa/81112
        * ipa-prop.c (find_constructor_constant_at_offset): Handle
        RANGE_EXPR conservatively.

2017-06-16  Carl Love  <cel@us.ibm.com>

        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        definitions for vec_float, vec_float2, vec_floato,
        vec_floate built-ins.
        * config/rs6000/vsx.md (define_c_enum "unspec"): Add RTL code
        for instructions vsx_xvcvsxws vsx_xvcvuxwsp, float2, floato and
        floate.
        * config/rs6000/rs6000-builtin.def (FLOAT2_V2DI, FLOATE_V2DF,
        FLOATE_2DI, FLOATO_V2DF, FLOATEE_V2DI, XVCVSXWSP_V4SF,
        UNS_FLOATO_V2DI, UNS_FLOATE_V2DI): Add definitions.
        * config/altivec.md (define_insn "p8_vmrgew_<mode>",
        define_mode_attr VF_sxddp): Add V4SF type to p8_vmrgew.
        * config/rs6000/altivec.h (vec_float, vec_float2, vec_floate,
        vec_floato): Add builtin defines.
        * doc/extend.texi (vec_float, vec_float2, vec_floate, vec_floato):
        Update the built-in documentation file for the new built-in
        functions.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/arm.opt (marm): Mark as the negative of of -mthumb.
        (mthumb): Mark as the negative of -marm.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * doc/invoke.texi (ARM Options, -mcpu): Document supported
        extension options.
        (ARM Options, -mtune): Document that this accepts the same
        extension options as -mcpu.
        (ARM Options, -mfpu): Document addition of -mfpu=auto.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * doc/invoke.texi (ARM Options, -march=): Document new syntax and
        permitted extensions.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/arm-cpus.in (armv7): Add extension +nofp.
        (armv7-r): Add aliases vfpv3xd and vfpv3-d16.
        (armv8-m.main): Add option +nodsp.
        * config/arm/arm-cpu-cdata.h: Regenerated.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/t-fuchsia: New file.
        * config.gcc (arm*-*-fuchsia*): Use it.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/t-symbian: Rewrite for new option infrastructure.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/t-phoenix (MULTILIB_REUSE): Clear variable.
        (MULTILIB_REQUIRED): Likewise.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/t-linux-eabi (MULTILIB_EXCEPTIONS): Set to empty.
        (MULTILIB_RESUE): Likewise.
        (MULTILIB_MATCHES): Likewise.
        (MULTLIB_REQUIRED): Likewise.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/t-rtems: Rewrite for new option framework.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/t-aprofile (v7_a_nosimd_variants, v7_a_simd_variants)
        (v7ve_nosimd_variatns, v7ve_vfpv3_simd_variants)
        (v7ve_vfpv4_simd_variants, v8_a_nosimd_variants, v8_a_simd_variants)
        (v8_1_a_simd_variants, v8_2_a_simd_variants): Move to ...
        * config/arm/t-multilib: ... here.
        (MULTILIB_OPTIONS): Add armv7 and armv7+fp architectures.
        (MULTILIB_MATCHES): Use armv7 libraries for armv7-r.  Also use for
        armv7-a and armv8*-a when A-profile libraries have not been built.
        * config/arm/t-rmprofile: Rewrite.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * genmultilib (multilib_reuse): Allow an explicit period to be escaped
        with a backslash.  Remove the backslash after substituting unescaped
        periods.
        * doc/fragments.texi (MULTILIB_REUSE): Document it.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config.gcc: (arm*-*-*): When building a-profile libraries, force
        the driver to pass through the default setting of -mfloat-abi.
        * common/config/arm/arm-common.c (arm_target_thumb_only): Return -marm
        rather than NULL.
        * config/arm/t-multilib (MULTILIB_REUSE): Initialize to empty.
        (all_feat_combs): New rule.
        (MULTILIB_OPTIONS): Use explicit ARM and Thumb directories.  Rework
        default libraries.
        * config/arm/t-aprofile: Rewrite.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/arm.h (FPUTYPE_AUTO): Define.
        * config/arm/arm.c (arm_option_override): Use FPUTYPE_AUTO if the
        fpu is not specified by the user/command-line.
        * config/arm/bpabi.h (FPUTYPE_DEFAULT): Delete.
        * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Delete.
        * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Delete.
        * config/arm/vxworks.h (FPUTYPE_DEFAULT): Delete.
        * common/config/arm/arm-common.c (arm_canon_arch_option): Use
        FPUTYPE_AUTO insted of FPUTYPE_DEFAULT.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/elf.h (MULTILIB_DEFAULTS): Delete.
        * config/arm/t-arm-elf: Rewritten.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/arm.h (TARGET_HARD_FLOAT): Also check that we
        have some floating-point instructions.
        (TARGET_SOFT_FLOAT): Define as inverse of TARGET_HARD_FLOAT.
        (TARGET_MAYBE_HARD_FLOAT): New macro.
        * config/arm/arm-builtins.c (arm_init_builtins): Use
        TARGET_MAYBE_HARD_FLOAT.
        * config/arm/arm.c (arm_option_override): Use TARGET_HARD_FLOAT_ABI.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * common/config/arm/arm-common.c: Define INCLUDE_LIST.
        (configargs.h): Include it.
        (arm_print_hint_for_fpu_option): New function.
        (arm_parse_fpu_option): New function.
        (candidate_extension): New class.
        (arm_canon_for_multilib): New function.
        * config/arm/arm.h (CANON_ARCH_SPEC_FUNCTION): New macro.
        (EXTRA_SPEC_FUNCTIONS): Add CANON_ARCH_SPEC_FUNCTION.
        (ARCH_CANONICAL_SPECS): New macro.
        (DRIVER_SELF_SPECS): Add ARCH_CANONICAL_SPECS.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config.gcc (arm*-*-*): Ensure both target_cpu_cname and with_cpu
        are set after handling multilib fragments.  Set target_cpu_default2
        from with_cpu.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config.gcc (arm*-*-fucshia*): Set target_cpu_cname to the real
        cpu name.
        (arm*-*-*): Set target_cpu_default2 to a quoted string.
        * config/arm/parsecpu.awk (check_cpu): Validate any extension
        options.
        (check_arch): Likewise.
        * config/arm/arm.c (arm_configure_build_target): Handle
        TARGET_CPU_DEFAULT being a string constant.  Scan any feature
        options in the default.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/arm-protos.h (cpu_arch_extension): Add field to record
        when an option is an alias of another.
        * config/arm/parsecpu.awk (optalias): New parser token.
        (gen_comm_data): Mark non-alias options as such.  Emit entries
        for extension aliases.
        * config/arm/arm-cpus.in (armv5e): Make vfpv2 an alias.
        (armv5te, armv5tej, armv6, armv6j, armv6k, armv6z): Likewise.
        (armv6kz, armv6zk, armv6t2): Likewise.
        (armv7): Make vfpv3-d16 an alias.
        (armv7-a): Make vfpv3-d16, neon and neon-vfpv3 aliases.  Sort in
        canonical order.
        (armv7ve): Make vfpv4-d16, neon-vfpv3 and neon-vfpv4 aliases.
        Sort in canonical order.
        (armv8-a): Sort in canonical order.
        (armv8.1-a, armv8.2-a):  Likewise.
        (generic-armv7-a): Make neon and neon-vfpv3 aliases.  Sort in
        canonical order.
        (cortex-a9): Sort in canonical order.
        * config/arm/arm.c (selftests.h): Include it.
        (arm_test_cpu_arch_data): New function.
        (arm_run_self_tests): New function.
        (TARGET_RUN_TARGET_SELFTESTS): Redefine.
        (targetm): Move declaration to the end of the file.
        * arm-cpu-cdata.h: Regenerated.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/arm.h (TARGET_MODE_SPECS): Add additional parameter to
        call to target_mode_check describing the type of option passed.
        * common/config/arm/arm-common.c (arm_arch_core_flag): Delete.
        (arm_target_thumb_only): Use arm_parse_arch_option_name or
        arm_parse_cpu_option_name to match parameters against list of
        available targets.
        * config/arm/parsecpu.awk (gen_comm_data): Don't generate
        arm_arch_core_flags data structure.
        * config/arm/arm-cpu_cdata.h: Regenerated.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * common/config/arm/arm-common.c (arm_initialize_isa): Moved here from
        config/arm/arm.c.
        (arm_print_hint_for_cpu_option): Likewise.
        (arm_print_hint_for_arch_option): Likewise.
        (arm_parse_cpu_option_name): Likewise.
        (arm_parse_arch_option_name): Likewise.
        * config/arm/arm.c (arm_identify_fpu_from_isa): Use the computed number
        of entries in the all_fpus list.
        * config/arm/arm-protos.h (all_architectures, all_cores): Declare.
        (arm_parse_cpu_option_name): Declare.
        (arm_parse_arch_option_name): Declare.
        (arm_parse_option_features): Declare.
        (arm_intialize_isa): Declare.
        * config/arm/parsecpu.awk (gen_data): Move CPU and architecture
        data tables to ...
        (gen_comm_data): ... here.  Make definitions non-static.
        * config/arm/arm-cpu-data.h: Regenerated.
        * config/arm/arm-cpu-cdata.h: Regenerated.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/arm-protos.h (arm_build_target): Remove arch_core.
        (cpu_arch_extension): New structure.
        (cpu_arch_option, arch_option, cpu_option): New structures.
        * config/arm/parsecpu.awk (gen_headers): Build an enumeration of
        architecture types.
        (gen_data): Generate new format data tables.
        * config/arm/arm.c (cpu_tune): New structure.
        (cpu_option, processors): Delete.
        (arm_print_hint_for_core_or_arch): Delete.  Replace with ...
        (arm_print_hint_for_cpu_option): ... this and ...
        (arm_print_hint_for_arch_option): ... this.
        (arm_parse_arch_cpu_name): Delete.  Replace with ...
        (arm_parse_cpu_option_name): ... this and ...
        (arm_parse_arch_option_name): ... this.
        (arm_unrecognized_feature): Change type of target parameter to
        cpu_arch_option.
        (arm_parse_arch_cpu_features): Delete.  Replace with ...
        (arm_parse_option_features): ... this.
        (arm_configure_build_target): Rework to use new configuration data
        tables.
        (arm_print_tune_info): Rework for new configuration data tables.
        * config/arm/arm-cpu-data.h: Regenerated.
        * config/arm/arm-cpu.h: Regenerated.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * Makefile.in (OBJS): Move sbitmap.o from here ...
        (OBJS-libcommon): ... to here.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/arm-isa.h (ISA_ALL_FPU_INTERNAL): Renamed from ISA_ALL_FPU.
        (ISA_ALL_CRYPTO): New macro.
        (ISA_ALL_SIMD): New macro
        (ISA_ALL_FP): New macro.
        * config/arm/arm.c (fpu_bitlist): Update initializer.
        * config/arm/arm-cpus.in: Use new ISA_ALL macros to disable crypto,
        simd or fp.
        (arm9e): Add fpu.  Add option for nofp
        (arm946e-s, arm966e-s, arm968e-s, arm10e, arm1020e, arm1022e): Likewise.
        (arm926ej-s, arm1026ej-s): Likewise.
        (generic-armv7-a): Add fpu.  Add options for simd, vfpv3, vfpv3-d16,
        vfpv3-fp16, vfpv3-d16-fp16, vfpv4, vfpv4-d16, neon, neon-vfp3,
        neon-fp16, neon-vfpv4, nofp and nosimd.
        (cortex-a5, cortex-a7): Add fpu.  Add options for nosimd and nofp.
        (cortex-a8): Add fpu.  Add option for nofp.
        (cortex-a9): Add fpu.  Add options for nosimd and nofp.
        (cortex-a12, cortex-a15, cortex-a17): Add fpu.  Add option for nofp.
        (cortex-r4f): Add fpu.
        (cortex-r5): Add fpu.  Add options for nofp.dp and nofp.
        (cortex-r7): Use idiv option from architecture.  Add fpu.  Add option
        for nofp.
        (cortex-r8): Likewise.
        (cortex-m4): Add fpu.  Add option for nofp.
        (cortex-a15.cortex-a7): Add fpu.  Add option for nofp.
        (cortex-a17.cortex-a7): Likewise.
        (cortex-a32): Add fpu.  Add options for crypto and nofp.
        (cortex-a35, cortex-a53): Likewise.
        (cortex-a57): Add fpu.  Add option for crypto.
        (cortex-a72, cortex-a73): Likewise.
        (exynos-m1): Likewise.
        (cortex-a57.cortex-a53, cortex-a72.cortex-a53): Likewise.
        (cortex-a73.cortex-a35, cortex-a73.cortex-a53): Likewise.
        (cortex-m33): Add fpu.  Add option for nofp.
        * config/arm/arm-cpu-cdata.h: Regenerated
        * config/arm/arm-cpu-data.h: Regenerated.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * arm-cpus.in (armv5e): Add options fp, vfpv2 and nofp.
        (armv5te, armv5tej): Likewise.
        (armv6, armv6j, armv6k, armv6z, armv6kz, armv6zk, armv6t2): Likewise.
        (armv7): Add options fp and vfpv3-d16.
        (armv7-a): Add options fp, simd, vfpv3, vfpv3-d16, vfpv3-d16-fp16,
        vfpv3-fp16, vfpv4, vfpv4-d16, neon, neon-vfpv3, neon-fp16, neon-vfpv4,
        nofp and nosimd.
        (armv7ve): Likewise.
        (armv7-r): Add options fp, fp.sp, idiv, nofp and noidiv.
        (armv7e-m): Add options fp, fpv5, fp.dp and nofp.
        (armv8-a): Add nocrypto option.
        (armv8.1-a, armv8.2-a): Likewise.
        (armv8-m.main): add options fp, fp.dp and nofp.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/arm-cpus.in (armv8-a): Add options crc, simd crypto and
        nofp.
        (armv8-a+crc): Delete.
        (armv8.1-a): Add options simd, crypto and nofp.
        (armv8.2-a): Add options fp16, simd, crypto and nofp.
        (armv8.2-a+fp16): Delete.
        (armv8-m.main): Add option dsp.
        (armv8-m.main+dsp): Delete.
        (cortex-a8): Add fpu.  Add nofp option.
        (cortex-a9): Add fpu.  Add nofp and nosimd options.
        * config/arm/parsecpu.awk (gen_data): Generate option tables and
        link to main cpu and architecture data structures.
        (gen_comm_data): Only put isa attributes from the main architecture
        in common tables.
        (option): New statement for architecture and CPU entries.
        * arm.c (struct cpu_option): New structure.
        (struct processors): Add entry for options.
        (arm_unrecognized_feature): New function.
        (arm_parse_arch_cpu_name): Ignore any characters after the first
        '+' character.
        (arm_parse_arch_cpu_feature): New function.
        (arm_configure_build_target): Separate out any CPU and architecture
        features and parse separately.  Don't error out if -mfpu=auto is
        used with only an architecture string.
        (arm_print_asm_arch_directives): New function.
        (arm_file_start): Call it.
        * config/arm/arm-cpu-cdata.h: Regenerated.
        * config/arm/arm-cpu-data.h: Likewise.
        * config/arm/arm-tables.opt: Likewise.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/elf.h (ASM_SPEC): Only pass -mfpu through to the
        assembler when it is not -mfpu=auto.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/arm.h (BIG_LITTLE_SPEC): Delete macro.
        (ASM_REWRITE_SPEC_FUNCTIONS): New macro.
        (BIG_LITTLE_CPU_SPEC_FUNCTIONS): Delete macro.
        (ASM_CPU_SPEC): Rewrite.
        (MCPU_MTUNE_NATIVE_FUNCTIONS): New macro.
        (EXTRA_SPEC_FUNCTIONS): Move outside of ifdef.  Use
        MCPU_MTUNE_NATIVE_FUNCTIONS and ASM_REWRITE_SPEC_FUNCTIONS.  Remove
        reference to BIG_LITTLE_CPU_SPEC_FUNCTIONS.
        * common/config/arm/arm-common.c (arm_rewrite_selected_cpu): Ensure
        copied string is NUL-terminated.  Also strip any characters prefixed
        by '+'.
        (arm_rewrite_selected_arch): New function.
        (arm_rewrite_march): New function.

2017-06-16  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/arm.opt (x_arm_arch_string): New TargetSave option.
        (x_arm_cpu_string, x_arm_tune_string): Likewise.
        (march, mcpu, mtune): Convert to string-based options.
        * config/arm/arm.c (arm_print_hint_for_core_or_arch): New function.
        (arm_parse_arch_cpu_name): New function.
        (arm_configure_build_target): Use arm_parse_arch_cpu_name to
        identify selected architecture or CPU.
        (arm_option_save): New function.
        (TARGET_OPTION_SAVE): Redefine.
        (arm_option_restore): Restore string options.
        (arm_option_print): Print string options.

2017-06-16  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/80933
        PR tree-optimization/80934
        * builtins.c (fold_builtin_3): Do not handle bcmp here.
        * gimple-fold.c (gimple_fold_builtin_bcmp): New function.
        (gimple_fold_builtin_bcopy, gimple_fold_builtin_bzero): Likewise.
        (gimple_fold_builtin): Call them.

2017-06-16  Jan Hubicka  <hubicka@ucw.cz>

        * gimple-ssa-isolate-paths.c (isolate_path): Set edge leading to path
        as unlikely; update profile.

2017-06-16  Jan Hubicka  <hubicka@ucw.cz>

        * predict.c (force_edge_cold): Handle declaring edges impossible
        more aggresively.

2017-06-16  Jan Hubicka  <hubicka@ucw.cz>

        * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update
        profile.
        (try_unroll_loop_completely): Fix reporting.

2017-06-16  Jan Hubicka  <hubicka@ucw.cz>

        * tree-ssa-tail-merge.c (replace_block_by): Fix profile updating.

2017-06-16  James Greenhalgh  <james.greenhalgh@arm.com>

        PR target/71778
        * config/arm/arm-builtins.c (arm_expand_builtin_args): Return TARGET
        if given a non-constant argument for an intrinsic which requires a
        constant.

2017-06-16  Jan Hubicka  <hubicka@ucw.cz>

        * profile.c (compare_freqs): New function.
        (branch_prob): Sort edge list.
        (find_spanning_tree): Assume that the list is priority sorted.

2017-06-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/81090
        * passes.def (pass_record_bounds): Remove.
        * tree-pass.h (make_pass_record_bounds): Likewise.
        * tree-ssa-loop.c (pass_data_record_bounds, pass_record_bounds,
        make_pass_record_bounds): Likewise.
        * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Do
        not free niter estimates at the beginning but at the end.
        * tree-scalar-evolution.c (scev_finalize): Free niter estimates.

2017-06-16  Richard Biener  <rguenther@suse.de>

        * tree-switch-conversion.c (emit_case_bit_tests): Adjust
        initializer to workaround ICE in host GCC 4.8.

2017-06-16  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline-transform.c (update_noncloned_frequencies): Update also
        counts.
        (clone_inlined_nodes): Update.

2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>

        * config/aarch64/aarch64.c (qdf24xx_prefetch_tune): Update
        prefetch settings, and enable prefetching by default at -O3.

2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>

        * config/aarch64/aarch64.c (aarch64_override_options_internal):
        Set flag_prefetch_loop_arrays according to tuning data.

2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>

        * config/aarch64/aarch64-protos.h (struct cpu_prefetch_tune):
        New tune structure.
        (struct tune_params): Use cpu_prefetch_tune instead of cache_line_size.
        [Unrelated to main purpose of the patch] Place the pointer field last
        to enable type checking errors when tune structure are wrongly merged.
        * config/aarch64/aarch64.c (generic_prefetch_tune,)
        (exynosm1_prefetch_tune, qdf24xx_prefetch_tune,)
        (thunderx2t99_prefetch_tune): New tune constants.
        (tune_params *_tunings): Update all tunings (no functional change).
        (aarch64_override_options_internal): Set PARAM_SIMULTANEOUS_PREFETCHES,
        PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE, and PARAM_L2_CACHE_SIZE
        from tunings structures.

2017-06-16  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/81094
        * ubsan.c (instrument_null): Add T argument, use it instead
        of computing it based on IS_LHS.
        (instrument_object_size): Likewise.
        (pass_ubsan::execute): Adjust instrument_null and
        instrument_object_size callers to pass gimple_get_lhs or
        gimple_assign_rhs1 result to it.  Use instrument_null instead of
        calling get_base_address and instrument_mem_ref.  Handle
        aggregate call arguments for object-size sanitization.

2017-06-16  Yury Gribov  <tetra2005@gmail.com>

        PR tree-optimization/81089
        * tree-vrp.c (is_masked_range_test): Validate operands of
        subexpression.

2017-06-15  Martin Sebor  <msebor@redhat.com>

        PR c++/80560
        * dumpfile.c (dump_register): Avoid calling memset to initialize
        a class with a default ctor.
        * gcc.c (struct compiler): Remove const qualification.
        * genattrtab.c (gen_insn_reserv): Replace memset with initialization.
        * hash-table.h: Ditto.
        * ipa-cp.c (allocate_and_init_ipcp_value): Replace memset with
          assignment.
        * ipa-prop.c (ipa_free_edge_args_substructures): Ditto.
        * omp-low.c (lower_omp_ordered_clauses): Replace memset with
        default ctor.
        * params.h (struct param_info): Make struct members non-const.
        * tree-switch-conversion.c (emit_case_bit_tests): Replace memset
        with default initialization.
        * vec.h (vec_copy_construct, vec_default_construct): New helper
        functions.
        (vec<T>::copy, vec<T>::splice, vec<T>::reserve): Replace memcpy
        with vec_copy_construct.
        (vect<T>::quick_grow_cleared): Replace memset with default ctor.
        (vect<T>::vec_safe_grow_cleared, vec_safe_grow_cleared): Same.
        * doc/invoke.texi (-Wclass-memaccess): Document.

2017-06-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * emit-rtl.h (is_leaf): Update comment about local
        register allocator.

2017-06-15  Jozef Lawrynowicz   <jozef.l@somniumtech.com>

        PR target/78818
        * config/msp430/msp430.c (msp430_data_attr): Check that it's possible
        for a variable to have a section before checking if the section has a
        name.
        Set section to.persistent if persistent attribute is set.
        Warn if .persistent attribute is used on an automatic variable.

2017-06-15  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/80474
        * reorg.c (update_block): Do not ignore instructions in a delay slot.

2017-06-15  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (add<mode>3): Use reg_or_subregno instead
        of REGNO.

2017-06-14  Maciej W. Rozycki  <macro@imgtec.com>

        * config/mips/mips.md (MIPS16_T_REGNUM): Remove constant.
        (casesi): Emit bounds checking as RTL.
        (casesi_internal_mips16_<mode>): Remove bounds checking.

2017-06-14  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/xtensa.c (xtensa_option_override): Append
        MASK_CONST16 to target_flags in the absence of TARGET_L32R.
        (hwloop_optimize, hwloop_fail, hwloop_pattern_reg,
         xtensa_doloop_hooks): Define unconditionally.
        (xtensa_reorg_loops): Only call reorg_loops in the presence of
        TARGET_LOOPS.
        * config/xtensa/xtensa.h (TARGET_L32R): New definition.
        (TARGET_DEFAULT): Remove XCHAL_HAVE_L32R condition and account
        for it in xtensa_option_override.
        (HARD_FRAME_POINTER_IS_FRAME_POINTER,
         HARD_FRAME_POINTER_IS_ARG_POINTER): New definitions.

2017-06-14  Boris Kolpackov  <boris@codesynthesis.com>

        * doc/cppopts.texi: Document '-' special value to -MF.

2017-06-14  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/arm/cortex-a53.md (cortex_a53_fpalu) Adjust latency.
        (cortex_a53_fconst): Likewise.
        (cortex_a53_fpmul): Likewise.
        (cortex_a53_f_load_64): Likewise.
        (cortex_a53_f_load_many): Likewise.
        (cortex_a53_advsimd_alu): Likewise.
        (cortex_a53_advsimd_alu_q): Likewise.
        (cortex_a53_advsimd_mul): Likewise.
        (cortex_a53_advsimd_mul_q): Likewise.
        (fpmac bypass): Add new bypass for fpmac-fpmac case.
        Add missing fmul, r2f_cvt and fconst cases.

2017-06-14  Richard Biener  <rguenther@suse.de>

        PR middle-end/81088
        * fold-const.c (split_tree): Drop TREE_OVERFLOW flag from
        literal constants.
        (fold_binary_loc): When associating do not treat pre-existing
        TREE_OVERFLOW on literal constants as a reason to allow
        TREE_OVERFLOW on associated literal constants.

2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.h (MASK_ISA): Add MASK_LEON and MASK_LEON3.
        (MASK_FEATURES): New macro.
        * config/sparc/sparc.c (sparc_option_override): Remove the special
        handling of -mfpu and generalize it to all MASK_FEATURES switches.

2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>

        * simplify-rtx.c (simplify_binary_operation_1) <UDIV>: Do not simplify
        a division of 0 if non-call exceptions are enabled.

2017-06-14  Andrew Pinski  <apinski@cavium.com>
            Naveen H.S  <Naveen.Hurugalawadi@cavium.com>

        PR target/71663
        * config/aarch64/aarch64.c (aarch64_expand_vector_init):
        Improve vector initialization code gen for only variable case. 

2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/driver-sparc.c (cpu_names): Add SPARC-T5 entry.

2017-06-14  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/81083
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Do not use abnormals
        as values.

2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c: Update all comments that mentioned SPE.
        (rs6000_expand_builtin): Remove RS6000_BTC_EVSEL.
        * config/rs6000/rs6000.h (RS6000_BTC_EVSEL): Delete.
        * config/rs6000/vxworks.h (VXCPU_FOR_8548): Delete.  Adjust former use.
        * config/rs6000/vxworksae.h (VXCPU_FOR_8548): Delete.
        * config/rs6000/vxworksmils.h (VXCPU_FOR_8548): Delete.

2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000-opts.h (enum rs6000_vector): Delete VECTOR_SPE.
        * config/rs6000/rs6000.c (rs6000_debug_vector_unit): Delete VECTOR_SPE.

2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.h (FIXED_SCRATCH): Delete.

2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/t-rtems: Don't handle SPE.

2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/t-linux: Don't handle SPE.

2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/eabispe.h: Delete file.

2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/t-spe: Delete file.

2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (SPE_CONST_OFFSET_OK): Delete.
        (rs6000_legitimate_offset_address_p): Return false for anything in
        V2SImode or V2SFmode.

2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000-modes.def: Remove all 8-byte vector modes
        except V2SF and V2SI.  Rearrange the vector modes, and add comments.
        * config/rs6000/rs6000.c (rs6000_debug_reg_global): Remove V8QImode
        and V4HImode.
        (reg_offset_addressing_ok_p): Remove V4HImode and V1DImode.
        (rs6000_legitimate_offset_address_p): Ditto.
        (rs6000_emit_move): Ditto.
        (rs6000_init_builtins): Remove V4HI_type_node.

2017-06-13  Martin Liska  <mliska@suse.cz>

        PR sanitize/78204
        * asan.c (asan_sanitize_stack_p): Use sanitize_flags_p.
        (gate_asan): Likewise.
        * asan.h (asan_no_sanitize_address_p): Remove the function.
        (sanitize_flags_p): New function.
        * builtins.def: Fix coding style.
        * common.opt: Use renamed enum value.
        * convert.c (convert_to_integer_1): Use sanitize_flags_p.
        * doc/extend.texi: Document no_sanitize attribute.
        * flag-types.h (enum sanitize_code): Rename SANITIZE_NONDEFAULT
        to SANITIZE_UNDEFINED_NONDEFAULT.
        * gcc.c (sanitize_spec_function): Use the renamed enum value.
        * gimple-fold.c (optimize_atomic_compare_exchange_p):
        Use sanitize_flags_p.
        * gimplify.c (gimplify_function_tree): Likewise.
        * ipa-inline.c (sanitize_attrs_match_for_inline_p): Likewise.
        * opts.c (parse_no_sanitize_attribute): New function.
        (common_handle_option): Use renamed enum value.
        * opts.h (parse_no_sanitize_attribute): Declare.
        * tree.c (sanitize_flags_p): New function.
        * tree.h: Declared here.
        * tsan.c: Use sanitize_flags_p.
        * ubsan.c (ubsan_expand_null_ifn): Likewise.
        (instrument_mem_ref): Likewise.
        (instrument_bool_enum_load): Likewise.
        (do_ubsan_in_current_function): Remove the function.
        (pass_ubsan::execute): Use sanitize_flags_p.
        * ubsan.h: Remove do_ubsan_in_current_function
        * tree-cfg.c (print_no_sanitize_attr_value): New function.
        (dump_function_to_file): Use it here.

2017-06-13  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/80803
        PR tree-optimization/81063
        * tree-sra.c (subtree_mark_written_and_enqueue): Move up in the file.
        (propagate_subaccesses_across_link): Enqueue subtree whenever
        necessary instead of relying on the caller.

2017-06-13  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (add_access_to_work_queue): Only enqueue accesses
        that have a first_link.
        (sort_and_splice_var_accesses): Do not check first_link before
        enquing.
        (subtree_mark_written_and_enqueue): Likewise.
        (propagate_all_subaccesses): Likewise and do not stop at first
        parent with a first_link.

2017-06-13  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (dump_access_tree_1): Fix accidental dumping to stderr
        instead of f.

2017-06-13  Yury Gribov  <tetra2005@gmail.com>

        * match.pd: New pattern.

2017-06-13  Yury Gribov  <tetra2005@gmail.com>

        * tree-vrp.c (is_masked_range_test): New function.
        (register_edge_assert_for): Determine ranges for
        some bit tests.

2017-06-13  Yury Gribov  <tetra2005@gmail.com>

        PR tree-optimization/67328
        * fold-const.c (maskable_range_p): New function.
        (build_range_check): Generate bittests if possible.

2017-06-13  Martin Liska  <mliska@suse.cz>

        * gimple-pretty-print.c (dump_probability): Add new argument.
        (dump_edge_probability): Dump both probability and count.
        (dump_gimple_label): Likewise.
        (dump_gimple_bb_header): Likewise.

2017-06-13  Georg-Johann Lay  <avr@gjlay.de>

        PR target/81072
        * config/avr/avr-devices.c: Fix indentation.
        * config/avr/gen-avr-mmcu-specs.c: Dito.

2017-06-13  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vect_model_reduction_cost): Do not fail,
        instead get vector type from stmt_info.
        (vectorizable_reduction): Adjust.  Remove dead code.

2017-06-13  Richard Biener  <rguenther@suse.de>

        PR middle-end/81065
        * fold-const.c (extract_muldiv_1): Remove bogus distribution
        case of C * (x * C2 + C3).
        (fold_addr_of_array_ref_difference): Properly fold index difference.

2017-06-12  David S. Miller  <davem@davemloft.net>

        PR target/80968
        * config/sparc/sparc.md (return expander): Emit frame blockage if
        function uses alloca.

2017-06-12  Richard Sandiford  <richard.sandiford@linaro.org>

        * combine.c (make_field_assignment): Check len rather than the mode
        precision when calling force_to_mode.

2017-06-12  Georg-Johann Lay  <avr@gjlay.de>

        Support multilibs and devices that see flash in RAM address range.

        PR target/81072
        * config/avr/avr-arch.h (avr_arch_id) <ARCH_AVRXMEGA3>: New enum.
        (avr_mcu_t) <flash_pm_offset>: New field.
        (avr_device_specific_features) <AVR_ISA_RCALL>: New enum.
        * config/avr/avr.h (AVR_SHORT_CALLS): New define.
        (AVR_HAVE_JMP_CALL): Don't set if AVR_SHORT_CALLS.
        (AVR_TINY_PM_OFFSET): Remove macro.
        * config/avr/avr.opt (-mshort-calls): New option.
        * config/avr/gen-avr-mmcu-specs.c (print_mcu)
        [*self_spec]: Add / remove -mshort-calls depending on AVR_ISA_RCALL.
        * config/avr/avr-c.c (avr_cpu_cpp_builtins)
        <__AVR_SHORT_CALLS__>: Built-in define if AVR_SHORT_CALLS.
        <__AVR_HAVE_JMP_CALL__>: Use AVR_HAVE_JMP_CALL as condition
        instead of avr_arch->have_jmp_call.
        <__AVR_PM_BASE_ADDRESS__>: Built-in define if avr_arch->flash_pm_offset.
        [AVR_TINY] <__AVR_TINY_PM_BASE_ADDRESS__>: Use
        avr_arch->flash_pm_offset to define.
        * config/avr/avr-devices.c (avr_arch_types): Add initializers for
        new field flash_pm_offset.  Add entry for avrxmega3.
        (avr_texinfo): Add entry for avrxmega3.
        * config/avr/avr-mcus.def: Add entries for: avrxmega3,
        attiny212, attiny214,
        attiny412, attiny414, attiny416, attiny417,
        attiny814, attiny816, attiny817,
        attiny1614, attiny1616, attiny1617,
        attiny3214, attiny3216, attiny3217.
        * config/avr/avr.c (avr_assemble_integer)[AVR_TINY]: Use
        avr_arch->flash_pm_offset instead of AVR_TINY_PM_OFFSET.
        (avr_print_operand_address) [AVR_TINY]: Same.
        (avr_asm_init_sections) <readonly_data_section>: Only patch
        callback if avr_arch->flash_pm_offset = 0.
        (avr_asm_named_section) <avr_need_copy_data_p>: Skip setting it
        for rodata if avr_arch->flash_pm_offset != 0.
        (avr_encode_section_info) [AVR_TINY]: Adjust comment.
        * config/avr/genmultilib.awk (dir_rcall, opt_rcall): New vars.
        (opts) [AVR_ISA_RCALL]: Append opt_rcall.
        (m_options): Append opt_rcall.
        (m_dirnames): Append dir_rcall.
        * config/avr/t-multilib: Regenerate.

        * configure.ac [target=avr]: Check whether avrxmega3 default
        linker description file works as needed.
        * configure: Regenerate.
        * doc/avr-mmcu.texi: Regenerate.
        * doc/invoke.texi (AVR Options) <-mshort-calls>: Document it.
        <__AVR_ARCH__>: Document avrxmega3 and 103.
        <__AVR_HAVE_JMP_CALL__>: Adjust documentation.
        <__AVR_SHORT_CALLS__>: Document it.
        <__AVR_PM_BASE_ADDRESS__>: Document it.
        * doc/extend.texi (AVR Options) <-mshort-calls>: Document it.
        (AVR Variable Attributes) <progmem>: Document this is
        not needed for avrxmega3.
        (AVR Named Address Spaces) <__flash>: Dito.

2017-06-12  Jan Hubicka  <hubicka@ucw.cz>

        * cgraph.c (cgraph_node::dump): Complain about profile insanities.

2017-06-12  Doug Rupp  <rupp@adacore.com>

        * config.gcc (*-*-vxworks*): Set use_gcc_stdint to "provide".
        Append vxworks-stdint.h to the tm_file list.
        * config/vxworks-stdint.h: New file.

2017-06-12  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/81041
        * tree-profile.c (gimple_gen_ic_func_profiler):
        Create an extra BB in profile-generate
        (gimple_gen_time_profiler): Likewise.

2017-06-12  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/81003
        * tree-ssa-reassoc.c (force_into_ssa_name): New function.
        (update_range_test): Use it instead of force_gimple_operand_gsi.

2017-06-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/81053
        * tree-vect-loop.c (vect_is_simple_reduction): Handle PHI
        with backedge value not defined in loop.  Simplify def stmt
        compute.

2017-06-11  Tom de Vries  <tom@codesourcery.com>

        PR target/79939
        * config/nvptx/nvptx.c (nvptx_cannot_force_const_mem): New function.
        Return true.
        (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
        nvptx_cannot_force_const_mem.

2017-06-10  Jan Hubicka  <hubicka@ucw.cz>

        * opts.c (finish_options): Move test for flag_split_stack after
        it has been initialized.

2017-06-11  Jason Merrill  <jason@redhat.com>

        * tree.h (id_equal): New.
        * dwarf2out.c, hsa-gen.c, ipa-devirt.c, omp-expand.c,
        omp-simd-clone.c, read-rtl-function.c, tree-chkp.c, tree.c: Use it
        instead of strcmp of IDENTIFIER_POINTER.

2017-06-10  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline-transform.c: Include function.h, cfg.h and basic-block.h
        (mark_all_inlined_calls_cdtor): Fix formating.
        (inline_transform): Rescale profile before inlining.

2017-06-10  Jan Hubicka  <hubicka@ucw.cz>

        * cgraph.h (cgraph_edge::clone): Update prototype.
        * cgraphclones.c (cgraph_edge::clone): Update profile scaling.
        (cgraph_node::create_clone): Update.
        (cgraph_node::create_version_clone): Update.
        * tree-inline.c (copy_bb): Update.
        (expand_call_inline): Update.

2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (emit_vrsave_prologue): New function,
        factored out from ...
        (rs6000_emit_prologue): ... here.

2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (emit_split_stack_prologue): New function,
        factored out from ...
        (rs6000_emit_prologue): ... here.

2017-06-10  Jan Hubicka  <hubicka@ucw.cz>

        * predict.c (drop_profile): Also drop individual bb/edge and cgraph
        edge counts.
        (handle_missing_profiles): Fix computation of tp_first_run.
        (counts_to_freqs): Do not touch freqs when count is 0.

2017-06-10  Jan Hubicka  <hubicka@ucw.cz>

        * cgraphbuild.c (cgraph_edge::rebuild_references): Do not touch
        profile.

2017-06-10  Tom de Vries  <tom@codesourcery.com>

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

2017-06-10  Tom de Vries  <tom@codesourcery.com>

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

2017-06-09  David Malcolm  <dmalcolm@redhat.com>

        * diagnostic.c (diagnostic_report_diagnostic): Only add fixits
        to the edit_context if they can be auto-applied.

2017-06-9  Ian Lance Taylor  <iant@golang.org>

        * opts.c (finish_options): If -fsplit-stack, disable implicit
        -forder-blocks-and-partition.
        * doc/invoke.texi (Optimize Options): Document that when using
        -fsplit-stack -forder-blocks-and-partition is not implicitly
        enabled.

2017-06-09  Jan Hubicka  <hubicka@ucw.cz>

        * builtin-attrs.def (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST,
        ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST,
        ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST): New.
        * builtins.def (abort, trap, unreachable): Declare cold.
        * calls.c (flags_from_decl_or_type): Lookup ECF_COLD.
        * tree-core.h (ECF_COLD): New.
        * tree.c (set_call_expr_flags): Handle ECF_COLD.
        (build_common_builtin_nodes): Mark unreachable and abort as cold.

2017-06-09  Jan Hubicka  <hubicka@ucw.cz>

        * predict.c (unlikely_executed_stmt_p): Cleanup.

2017-06-09  Richard Biener  <rguenther@suse.de>

        * tree-ssa-loop-im.c (execute_sm): Do not force multi-threaded
        model if the ref is always written to.

2017-06-09  Tamar Christina  <tamar.christina@arm.com>

        * config/aarch64/aarch64.md (lrint<GPF:mode><GPI:mode>2): New.

2017-06-09  Tamar Christina  <tamar.christina@arm.com>

        * config/arm/arm.c (arm_rtx_costs_internal): Make sdiv more expensive
        than udiv.

2017-06-09  Tom de Vries  <tom@codesourcery.com>

        PR target/80855
        * config/nvptx/nvptx.md (define_expand "mov<QHSDISDFM>"): Error out with
        "target cannot support label values" when encountering LABEL_REF.

2017-06-09  Martin Liska  <mliska@suse.cz>

        * tree-profile.c (gimple_gen_ic_profiler): Update comment.
        (gimple_gen_ic_func_profiler): Emit direct comparison
        of __gcov_indirect_call_callee with NULL.
        (gimple_gen_time_profiler): Change probability from
        PROB_VERY_UNLIKELY to PROB_UNLIKELY.

2017-06-09  Jan Hubicka  <hubicka@ucw.cz>

        * profile.c (edge_gcov_counts): Turn to pointer.
        (compute_branch_probabilities, compute_branch_probabilities): Update.
        (branch_prob): Do not clear edge_gcov_count.
        * profile.h (edge_gcov_counts): Turn to pointer.
        (edge_gcov_count): Update.

2017-06-09  Jan Hubicka  <hubicka@ucw.cz>

        * gimple.h (gimple_check_failed): Mark cold.

2017-06-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/66623
        * tree-vect-loop.c (vect_is_simple_reduction): Cleanup,
        refactor check_reduction into two parts, properly computing
        whether we have to check reduction validity for outer loop
        vectorization.

2017-06-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79483
        * graphite-scop-detection.c (order): New global.
        (get_order): Compute bb to order mapping that satisfies code
        generation constraints.
        (cmp_pbbs): New helper.
        (build_scops): Start domwalk at entry block, sort generated
        pbbs.

2017-06-09  Richard Biener  <rguenther@suse.de>

        PR middle-end/81007
        * ipa-polymorphic-call.c
        (ipa_polymorphic_call_context::restrict_to_inner_class):
        Skip FIELD_DECLs with error_mark_node type.
        * passes.def (all_lowering_passes): Run pass_build_cgraph_edges
        last again.

2017-06-09  Martin Liska  <mliska@suse.cz>

        * predict.c (struct branch_predictor): New struct.
        (test_prediction_value_range): New test.
        (predict_c_tests): New function.
        * selftest-run-tests.c (selftest::run_tests): Run the function.
        * selftest.h: Declare new tests.

2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/80966
        * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
        gen_add3_insn did not fail.
        * config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
        r0, construct that number in a temporary reg and add that reg to r0.
        If asked to put the result in r0 as well, fail.

2017-06-08  Will Schmidt  <will_schmidt@vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
        for early expansion of vec_eqv.

2017-06-08  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/81005
        * ubsan.c (instrument_null): Avoid pointless code temporary.
        (pass_ubsan::execute): Instrument aggregate arguments of calls.

2017-06-08  Uros Bizjak  <ubizjak@gmail.com>

        PR target/81015
        Revert:
        2016-12-14  Uros Bizjak  <ubizjak@gmail.com>

        PR target/59874
        * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
        (*clzhi2): Ditto.

2017-06-08  Jan Hubicka  <hubicka@ucw.cz>

        * predict.c (unlikely_executed_edge_p): Move ahead.
        (probably_never_executed_edge_p): Use it.

2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>

        PR middle-end/79988
        * tree-chkp.c (chkp_gimple_call_builtin_p): Remove
        gimple_call_builtin_p call.

2017-06-08  Jan Hubicka  <hubicka@ucw.cz>

        * system.h (fancy_abort): Annotate by ATTRIBUTE_COLD.
        * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
        rtl_check_failed_type2, rtl_check_failed_code1,
        rtl_check_failed_code2, rtl_check_failed_code_mode,
        rtl_check_failed_block_symbol, cwi_check_failed_bounds,
        rtvec_check_failed_bounds, rtl_check_failed_flag,
        _fatal_insn_not_found, _fatal_insn): Likewise.
        * tree.h (tree_contains_struct_check_failed,
        tree_check_failed, tree_not_check_failed,
        tree_class_check_failed, tree_range_check_failed,
        tree_not_class_check_failed, tree_int_cst_elt_check_failed,
        tree_vec_elt_check_failed, phi_node_elt_check_failed,
        tree_operand_check_failed, omp_clause_check_failed,
        omp_clause_operand_check_failed, omp_clause_range_check_failed):
        Likewise.

2017-06-08  Jan Hubicka  <hubicka@ucw.cz>

        * cgraph.c (cgraph_edge::maybe_hot_p): Do not check
        flag_branch_probabilities.
        * ipa-inline.c (edge_badness): Likewise.
        * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
        * postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
        * predict.c (maybe_hot_frequency_p): Likewise.
        (probably_never_executed): Likewise.
        * sched-ebb.c (schedule_ebbs): Likewise.
        * sched-rgn.c (find_single_block_region): Likewise.
        * tracer.c (tail_duplicate): Likewise.

2017-06-08  Jan Hubicka  <hubicka@ucw.cz>

        * opts.c (finish_options): x_flag_reorder_blocks_and_partition no
        longer requires x_flag_profile_use.

2017-06-08  Jan Hubicka  <hubicka@ucw.cz>

        * cfgrtl.c (cfg_layout_initialize): Check crtl->has_bb_partition
        instead of flag_reorder_blocks_and_partition.
        * dbxout.c (dbxout_function_end): Likewise.
        * dwarf2out.c (gen_subprogram_die): Likewise.
        * haifa-sched.c (sched_create_recovery_edges): Likewise.
        * hw-doloop.c (reorg_loops): Likewise.
        * varasm.c (assemble_start_function,
        assemble_end_function): Likewise.
        (decide_function_section): Do not check for
        flag_reorder_blocks_and_partition.

2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>

        * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
        New function.
        (chkp_get_hard_register_fake_addr_expr): Ditto.
        (chkp_build_addr_expr): Add check for hard reg case.
        (chkp_parse_array_and_component_ref): Ditto.
        (chkp_find_bounds_1): Ditto.
        (chkp_process_stmt): Don't generate bounds store for
        hard reg case.

2017-06-08  Jan Hubicka  <hubicka@ucw.cz>

        * predict.c (maybe_hot_bb_p): Do not check profile status.
        (maybe_hot_edge_p): Likewise.
        (probably_never_executed): Check for zero counts even if profile
        is not read.
        (unlikely_executed_edge_p): New function.
        (unlikely_executed_stmt_p): New function.
        (unlikely_executed_bb_p): New function.
        (set_even_probabilities): Use unlikely predicates.
        (combine_predictions_for_bb): Likewise.
        (predict_paths_for_bb): Likewise.
        (predict_paths_leading_to_edge): Likewise.
        (determine_unlikely_bbs): New function.
        (estimate_bb_frequencies): Use it.
        (compute_function_frequency): Use zero counts even if profile is
        not read.
        * profile-count.h: Fix typo.

2017-08-08  Julia Koval  <julia.koval@intel.com>

        * config/i386/avx512bwintrin.h (_mm512_mask_cvtepi16_storeu_epi8,
        _mm512_mask_cvtsepi16_storeu_epi8,
        _mm512_mask_cvtusepi16_storeu_epi8): New intrinsics.
        * config/i386/avx512vlbwintrin.h (_mm256_mask_cvtepi16_storeu_epi8,
        _mm_mask_cvtsepi16_storeu_epi8, _mm256_mask_cvtsepi16_storeu_epi8,
        _mm_mask_cvtusepi16_storeu_epi8, _mm256_mask_cvtusepi16_storeu_epi8,
        _mm_mask_cvtepi16_storeu_epi8): New intrinsics.
        * config/i386/i386-builtin-types.def (PV8Q, V8QI): New pointer type.
        (VOID_FTYPE_PV32QI_V32HI_USI, VOID_FTYPE_PV8QI_V8HI_UQI,
        VOID_FTYPE_PV16QI_V16HI_UHI): New function types.
        * config/i386/i386-builtin.def (__builtin_ia32_pmovwb128mem_mask,
        __builtin_ia32_pmovwb256mem_mask, __builtin_ia32_pmovswb128mem_mask,
        __builtin_ia32_pmovswb256mem_mask, __builtin_ia32_pmovuswb128mem_mask,
        __builtin_ia32_pmovuswb256mem_mask,
        __builtin_ia32_pmovuswb512mem_mask, __builtin_ia32_pmovswb512mem_mask)
        __builtin_ia32_pmovwb512mem_mask): New builtins.

2017-08-08  Julia Koval  <julia.koval@intel.com>

        PR target/73350,80862
        * config/i386/subst.md (round): Fix round pattern.
        * config/i386/i386.c (ix86_erase_embedded_rounding):
        Fix erasing rounding for the fixed pattern.

2017-06-08  Jan Hubicka  <hubicka@ucw.cz>

        * cfgbuild.c (find_many_sub_basic_blocks): Fix thinko.

2017-06-08  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/80911
        * gcov.c (block_info::block_info): New constructor.

2017-06-07  Carl Love  <cel@us.ibm.com>

        * config/rs6000/rs6000-c: The return type of the following
        built-in functions was implemented as int not long long.  Fix sign
        of return value for the unsigned version of vec_mulo and vec_mule.
        vector unsigned long long vec_bperm (vector unsigned long long,
                                             vector unsigned char)
        vector signed long long vec_mule (vector signed int,
                                          vector signed int)
        vector unsigned long long vec_mule (vector unsigned int,
                                            vector unsigned int)
        vector signed long long vec_mulo (vector signed int,
                                          vector signed int)
        vector unsigned long long vec_mulo (vector unsigned int,
                                            vector unsigned int)
        * doc/extend.texi: Fix the documentation for the built-in
        functions.

2017-06-07  Carl Love  <cel@us.ibm.com>

        PR target/80982
        * config/rs6000/altivec.md (double<mode>2): Fix the implementation of
        for BE.

2017-06-07  Carl Love  <cel@us.ibm.com>

        * config/rs6000/altivec.md: Fix argument swizzle in vec_doublel
        support, Generate       doublehv for signed int/float for BE case only.

2017-06-07  Alexander Monakov  <amonakov@ispras.ru>

        * doc/invoke.texi (mcx16): Rewrite.

2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/predicates.md (rs6000_nonimmediate_operand): Delete.
        * config/rs6000/rs6000.md (*movsi_internal1, movsi_from_sf,
        *mov<mode>_softfloat, and an anonymous splitter): Use
        nonimmediate_operand instead of rs6000_nonimmediate_operand.

2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE_ACC and
        SPEFSCR registers.
        * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
        (enum rs6000_reg_type): Delete SPE_ACC_TYPE and SPEFSCR_REG_TYPE.
        (rs6000_debug_reg_global): Adjust.
        (rs6000_init_hard_regno_mode_ok): Adjust.
        (rs6000_dbx_register_number): Adjust.
        * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change to 115.
        (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
        Remove SPE_ACC and SPEFSCR.
        (REG_ALLOC_ORDER): Ditto.
        (FRAME_POINTER_REGNUM): Change to 111.
        (enum reg_class): Remove the SPE_ACC and SPEFSCR registers.
        (REG_CLASS_NAMES): Ditto.
        (REG_CLASS_CONTENTS): Delete the SPE_ACC and SPEFSCR registers.
        (REGISTER_NAMES): Ditto.
        (ADDITIONAL_REG_NAMES): Ditto.
        (rs6000_reg_names): Ditto.
        * config/rs6000/rs6000.md: Renumber some register number
        define_constants.

2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE high
        registers.
        * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
        * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change from 149
        to 117.
        (DWARF_REG_TO_UNWIND_COLUMN): Do not define.
        (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
        Delete the SPE high registers.
        (REG_ALLOC_ORDER): Ditto.
        (enum reg_class): Remove SPE_HIGH_REGS.
        (REG_CLASS_NAMES): Ditto.
        (REG_CLASS_CONTENTS): Delete the SPE high registers.
        (REGISTER_NAMES): Ditto.
        (rs6000_reg_names): Ditto.
        * doc/tm.texi.in: Remove SPE as example.
        * doc/tm.texi: Regenerate.

2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/8540.md (ppc8540_brinc): Delete.
        * config/rs6000/e500mc.md (e500mc_brinc): Delete.
        * config/rs6000/e500mc64.md (e500mc64_brinc): Delete.
        * config/rs6000/rs6000.md (type): Remove "brinc".

2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>

        * config.gcc (powerpc*-*-*): Don't add spe.h to extra_headers.
        (powerpc*-linux*spe*): Use ${cpu_type} instead of rs6000.
        * config/rs6000/linuxspe.h: Delete file.
        * config/rs6000/rs6000.md: Don't include spe.md.
        * config/rs6000/spe.h: Delete file.
        * config/rs6000/spe.md: Delete file.
        * config/rs6000/t-rs6000: Remove spe.md.

2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/predicates.md (reg_or_mem_operand): Reformat.
        (reg_or_none500mem_operand): Delete.
        * config/rs6000/rs6000.md (extendsfdf2): Use reg_or_mem_operand
        instead of reg_or_none500mem_operand.

2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
        handling of SPE flags.
        * config/rs6000/rs6000.opt (-mspe, -mspe=no, -mspe=yes): Delete.

2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000-common.c (rs6000_handle_option): Remove
        SPE ABI handling.
        * config/rs6000/paired.md (paired_negv2sf2): Rename to negv2sf2.
        (paired_absv2sf2, paired_addv2sf3, paired_subv2sf3, paired_mulv2sf3,
        paired_divv2sf3): Similar.
        * config/rs6000/predicates.md: Replace TARGET_SPE, TARGET_SPE_ABI,
        SPE_VECTOR_MODE and SPE_HIGH_REGNO_P by 0; simplify.
        * config/rs6000/rs6000-builtin.def: Delete RS6000_BUILTIN_E and
        RS6000_BUILTIN_S.
        Delete BU_SPE_1, BU_SPE_2, BU_SPE_3, BU_SPE_E, BU_SPE_P, and BU_SPE_X.
        Rename the paired_* instruction patterns.
        * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Do not
        define __SPE__.
        * config/rs6000/rs6000-protos.h (invalid_e500_subreg): Delete.
        * config/rs6000/rs6000.c: Delete RS6000_BUILTIN_E and RS6000_BUILTIN_S.
        (struct rs6000_stack): Delete fields spe_gp_save_offset, spe_gp_size,
        spe_padding_size, and spe_64bit_regs_used.  Replace TARGET_SPE and
        TARGET_SPE_ABI with 0, simplify.  Replace SPE_VECTOR_MODE with
        PAIRED_VECTOR_MODE.
        (struct machine_function): Delete field spe_insn_chain_scanned_p.
        (spe_func_has_64bit_regs_p): Delete.
        (spe_expand_predicate_builtin): Delete.
        (spe_expand_evsel_builtin): Delete.
        (TARGET_DWARF_REGISTER_SPAN): Do not define.
        (TARGET_MEMBER_TYPE_FORCES_BLK): Do not define.
        (invalid_e500_subreg): Delete.
        (rs6000_legitimize_address): Always force_reg op2 as well, for
        paired single memory accesses.
        (rs6000_member_type_forces_blk): Delete.
        (rs6000_spe_function_arg): Delete.
        (rs6000_expand_unop_builtin): Delete SPE handling.
        (rs6000_expand_binop_builtin): Ditto.
        (spe_expand_stv_builtin): Delete.
        (bdesc_2arg_spe): Delete.
        (spe_expand_builtin): Delete.
        (spe_expand_predicate_builtin): Delete.
        (spe_expand_evsel_builtin): Delete.
        (rs6000_invalid_builtin): Remove RS6000_BTM_SPE handling.
        (spe_init_builtins): Delete.
        (spe_func_has_64bit_regs_p): Delete.
        (savres_routine_name): Delete "info" parameter.  Adjust callers.
        (rs6000_emit_stack_reset): Ditto.
        (rs6000_dwarf_register_span): Delete.
        * config/rs6000/rs6000.h (TARGET_SPE_ABI, TARGET_SPE,
        UNITS_PER_SPE_WORD, SPE_HIGH_REGNO_P, SPE_SIMD_REGNO_P,
        SPE_VECTOR_MODE, RS6000_BTM_SPE, RS6000_BUILTIN_E, RS6000_BUILTIN_S):
        Delete.
        * config/rs6000/rs6000.md (FIRST_SPE_HIGH_REGNO, LAST_SPE_HIGH_REGNO):
        Delete.
        * config/rs6000/rs6000.opt (-mabi=spe, -mabi=no-spe): Delete.
        * config/rs6000/spe.md: Delete every pattern that uses TARGET_SPE.
        * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
        mulv2sf3, divv2sf3): Delete expanders.

2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>

        config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Delete.

2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit): Delete.
        * config/rs6000/rs6000.c: Ditto.

2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/predicated.md (rs6000_cbranch_operator): Delete.
        * config/rs6000/rs6000.md: Replace rs6000_cbranch_operator by
        comparison_operator.

2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c: Remove everything related to -mfloat-gprs.
        * config/rs6000/rs6000.opt: Ditto.
        * config/rs6000/t-rtems: Ditto.

2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/predicates.md: Replace TARGET_E500_DOUBLE and
        TARGET_E500_SINGLE by 0, simplify.
        * config/rs6000/rs6000.c: Ditto.
        (rs6000_option_override_internal): Delete CHECK_E500_OPTIONS.
        (spe_build_register_parallel): Delete.
        * config/rs6000/rs6000.h: Delete TARGET_E500_SINGLE,
        TARGET_E500_DOUBLE, and CHECK_E500_OPTIONS.
        * config/rs6000/rs6000.md: Replace TARGET_E500_DOUBLE,
        TARGET_E500_SINGLE, and <E500_CONVERT> by 0, simplify.
        (E500_CONVERT): Delete.
        * config/rs6000/spe.md: Remove many patterns and all define_constants.

2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/darwin.md: Replace TARGET_FPRS by 1 and simplify.
        * config/rs6000/dfp.md: Ditto.
        (negdd2, *negdd2_fpr): Merge.
        (absdd2, *absdd2_fpr): Merge.
        (negtd2, *negtd2_fpr): Merge.
        (abstd2, *abstd2_fpr): Merge.
        * config/rs6000/e500.h: Delete file.
        * config/rs6000/predicates.md (rs6000_cbranch_operator): Replace
        TARGET_FPRS by 1 and simplify.
        * config/rs6000/rs6000-c.c: Ditto.
        * config/rs6000/rs6000.c: Ditto.  Also replace TARGET_SF_SPE and
        TARGET_DF_SPE by 0.
        * config/rs6000/rs6000.h: Ditto.  Delete TARGET_SF_SPE and
        TARGET_DF_SPE.
        * config/rs6000/rs6000.md: Ditto.
        (floatdidf2, *floatdidf2_fpr): Merge.
        (move_from_CR_gt_bit): Delete.
        * config/rs6000/spe.md: Replace TARGET_FPRS by 1 and simplify.
        (E500_CR_IOR_COMPARE): Delete.
        (All patterns that require !TARGET_FPRS): Delete.
        * config/rs6000/vsx.md: Replace TARGET_FPRS by 1 and simplify.

2017-06-07  Bin Cheng  <bin.cheng@arm.com>

        * passes.def (pass_iv_canon): Move before pass_loop_distribution.

2017-06-07  Bin Cheng  <bin.cheng@arm.com>

        * graphds.c (add_edge): Intitialize edge's attached data.
        (foll_in_subgraph, dfs_fst_edge, dfs_next_edge): New function
        pointer parameter.  Call pointed function on each edge during
        graph traversing.  Skip traversing the edge when the function
        returns true.
        (graphds_dfs, graphds_scc): Ditto.
        (for_each_edge): New parameter.  Pass the new parameter to callback
        function.
        * graphds.h (skip_edge_callback): New function pointer type.
        (graphds_dfs, graphds_scc): New function pointer parameter.
        (graphds_edge_callback, for_each_edge): New parameter.

2017-06-07  Bin Cheng  <bin.cheng@arm.com>

        * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Factor
        out code checking if runtime alias check is possible to below ...
        Call the new function.
        * tree-data-ref.c (runtime_alias_check_p): ... to new function.
        * tree-data-ref.h (runtime_alias_check_p): New decalaration.

2017-06-07  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/80932
        * fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
        TYPE_OVERFLOW_WRAPS check. 

2017-06-07  Bin Cheng  <bin.cheng@arm.com>

        * tree-vect-loop-manip.c (vect_do_peeling): Don't skip vector loop
        if versioning is required.
        * tree-vect-loop.c (vect_analyze_loop_2): Merge niter check for loop
        peeling with the check for versioning.

2017-06-07  Bin Cheng  <bin.cheng@arm.com>

        * tree-vectorizer.h (vect_build_loop_niters): New parameter.
        * tree-vect-loop-manip.c (vect_build_loop_niters): New parameter.
        Set true to new parameter if new ssa variable is defined.
        (vect_gen_vector_loop_niters): Refactor.  Set range information
        for the new vector loop bound variable.
        (vect_do_peeling): Ditto.

2017-06-07  Bin Cheng  <bin.cheng@arm.com>

        * tree-affine.c (ssa.h): Include header file.
        (tree_to_aff_combination): Handle (T1)(X - CST) when inner type
        has wrapping overflow behavior.

2017-06-07  Bin Cheng  <bin.cheng@arm.com>

        * tree-affine.c (tree_to_aff_combination): Handle (T1)(X + X).

2017-06-07  Bin Cheng  <bin.cheng@arm.com>

        (aff_combination_expand): Move (T1)(X *+- CST) simplification to ...
        (tree_to_aff_combination): ... here.

2017-06-07  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (ivopts_estimate_reg_pressure): New
        reg_pressure model function.
        (ivopts_global_cost_for_size): Delete.
        (determine_set_costs, iv_ca_recount_cost): Call new model function
        ivopts_estimate_reg_pressure.

2017-06-07  Tamar Christina  <tamar.christina@arm.com>

        * config/aarch64/aarch64.c (aarch64_rtx_costs): Make sdiv more expensive than udiv.
        Remove floating point cases from mod.

2017-06-07  Tamar Christina  <tamar.christina@arm.com>

        * config/arm/aarch-cost-tables.h (cortexa53_extra_cost): Increase idiv cost.

2017-06-07  Tamar Christina  <tamar.christina@arm.com>

        * config/aarch64/aarch64.md
        (copysignsf3): Fix mask generation.

2017-06-07  Jakub Jelinek  <jakub@redhat.com>

        * dumpfile.h (enum tree_dump_index): Rename TDI_generic to
        TDI_gimple.
        (class dump_manager): Add register_dumps method.
        * dumpfile.c: Include langhooks.h.
        (dump_files): Use 0 instead of 3/4/5 for TDI_{original,gimple,nested}.
        (FIRST_AUTO_NUMBERED_DUMP): Decrease to 1.
        (FIRST_ME_AUTO_NUMBERED_DUMP): Define.
        (dump_manager::dump_register): Start with 512 entries instead of 32.
        (dump_manager::register_dumps): New method.
        * toplev.c (general_init): Instead of invoking register_dumps
        langhook, invoke register_dumps method on the dump manager.
        * gimplify.c (gimplify_function_tree): Use TDI_gimple instead of
        TDI_generic.

2017-06-07  Richard Sandiford  <richard.sandiford@linaro.org>

        * doc/md.texi: Clarify the restrictions on a define_insn condition.
        Say that # requires an associated define_split to exist, and that
        the define_split must be suitable for use after register allocation.

2017-06-06  Jan Hubicka  <hubicka@ucw.cz>

        * cfgbuild.c (find_bb_boundaries): Initialize profile of split blocks.
        (compute_outgoing_frequencies): Also initialize zero counts.
        (find_many_sub_basic_blocks): Do not produce uninitialized profile
        around loops; preserve more of profile when nothing changes.

2017-06-06  Jim Wilson  <jim.wilson@linaro.org>

        * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
        here.
        * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
        * config/arm/arm-cpu-cdata.h: Regenerate.
        * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
        * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
        * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
        * config/arm/arm.c (arm_qdf24xx_tune): Delete.
        * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
        support.
        * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
        support.
        * config/arm/t-rmprofile: Likewise.
        * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.

2017-06-06  David S. Miller  <davem@davemloft.net>

        PR target/80968
        * config/sparc/sparc.c (sparc_expand_prologue): Emit frame
        blockage if function uses alloca.

2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>

        * tree-ssa-loop-prefetch.c (struct mem_ref_group, struct mem_ref):
        New "uid" fields to hold pretty-print IDs of group and ref.
        Memory references are now identified as <group_id>:<ref_id>
        instead of using [random] addresses.
        (dump_mem_details): Simplify, no functional change.
        (dump_mem_ref): Simplify and make output more concise.
        Replace couple of fprintf's throughout code with calls to dump_mem_ref.
        (find_or_create_group): Initialize group uid.
        (record_ref): Initialize ref uid.  Improve debug output.
        (prune_group_by_reuse, should_issue_prefetch_p,)
        (should_issue_prefetch_p, schedule_prefetches, issue_prefetch_ref,)
        (mark_nontemporal_store, determine_loop_nest_reuse):
        Improve debug output.

2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>

        * dbgcnt.def (prefetch): New debug counter.
        * tree-ssa-loop-prefetch.c (dbgcnt.h): New include.
        (schedule_prefetches): Stop issueing prefetches if debug counter
        tripped.

2017-06-06  Tom de Vries  <tom@codesourcery.com>

        * doc/sourcebuild.texi (Testsuites, C Language Testsuites,
        gcc.c-torture/compile): Remove mention of NO_LABEL_VALUES in fixme.

2017-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/atomics.md (atomic_compare_and_swap<mode> expander):
        Use aarch64_reg_or_zero predicate for operand 4.
        (aarch64_compare_and_swap<mode> define_insn_and_split):
        Use aarch64_reg_or_zero predicate for operand 3.  Add 'Z' constraint.
        (aarch64_store_exclusive<mode>): Likewise for operand 2.

2017-06-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/arm.c (arm_compute_save_reg_mask): Rename into ...
        (arm_compute_save_core_reg_mask): This.
        (thumb1_compute_save_reg_mask): Rename into ...
        (thumb1_compute_save_core_reg_mask): This.
        (arm_compute_save_reg0_reg12_mask): Adapt comment.
        (arm_compute_frame_layout): Likewise.

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

        PR tree-optimization/80974
        * tree-ssa-sccvn.c (set_ssa_val_to): Do not change but only
        keep or clear leaders SSA info.

2017-06-06  Tom de Vries  <tom@codesourcery.com>

        * config/nvptx/nvptx.c (split_mode_p): New function.
        (nvptx_declare_function_name, nvptx_print_operand): Use split_mode_p.

2017-06-06  Tom de Vries  <tom@codesourcery.com>

        * config/nvptx/nvptx.c (nvptx_print_operand): Use maybe_split_mode.

2017-06-06  Jan Hubicka  <hubicka@ucw.cz>

        PR bootstrap/80978
        * tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
        profile.

2017-06-06  Jan Hubicka  <hubicka@ucw.cz>

        * shrink-wrap.c (handle_simple_exit): Update profile.
        (try_shrink_wrapping): Upate profile.

2017-06-06  Jan Hubicka  <hubicka@ucw.cz>

        * predict.c (tree_estimate_probability_bb): Add LOCAL_ONLY.
        (tree_guess_outgoing_edge_probabilities): New.
        * predict.h (tree_guess_outgoing_edge_probabilities): Declare.
        * tree-cfg.c (gimple_find_sub_bbs): Propagate profile.

2017-06-06  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-split.c (split_function): Initialize return bb profile.

2017-06-06  Jan Hubicka  <hubicka@ucw.cz>

        * profile.c (compute_branch_probabilities): Also initialize
        EXIT_BLOCK profile.

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

        PR tree-optimization/80928
        * tree-vect-loop.c (vect_update_vf_for_slp): Amend dumps.
        (vect_analyze_loop_operations): Properly guard analysis for
        pure SLP case.
        (vect_transform_loop): Likewise.
        (vect_analyze_loop_2): Also reset SLP type on PHIs.
        (vect_model_induction_cost): Do not cost for pure SLP.
        (vectorizable_induction): Pass in SLP node, implement SLP vectorization
        of induction in inner loop vectorization.
        * tree-vect-slp.c (vect_create_new_slp_node): Handle PHIs.
        (vect_get_and_check_slp_defs): Handle vect_induction_def.
        (vect_build_slp_tree): Likewise.  Handle PHIs as terminating the
        recursion.
        (vect_analyze_slp_cost_1): Cost induction.
        (vect_detect_hybrid_slp_stmts): Handle PHIs.
        (vect_get_slp_vect_defs): Likewise.
        * tree-vect-stmts.c (vect_analyze_stmt): Handle induction.
        (vect_transform_stmt): Handle SLP reductions.
        * tree-vectorizer.h (vectorizable_induction): Adjust.

2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (make_resolver_func): Update
        init_lowered_empty_function call.

2017-06-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * doc/invoke.texi: Document the -fprofile-abs-path option.
        * common.opt (fprofile-abs-path): New option.
        * gcov-io.h (gcov_write_filename): Declare.
        * gcov-io.c (gcov_write_filename): New function.
        * coverage.c (coverage_begin_function): Use gcov_write_filename.
        * profile.c (output_location): Likewise.

2017-06-05  Jan Hubicka  <hubicka@ucw.cz>

        * shring-wrap.c: Revert accidental commit.

2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>

        * doc/invoke.texi (-Wduplicated-branches): Add to warning list.

2017-06-05  Jan Hubicka  <hubicka@ucw.cz>

        * cfgexpand.c (expand_gimple_tailcall): Initialize profile of
        new edge.
        * ipa-inline.c (want_inline_self_recursive_call_p): Watch for missing
        profile in callgraph edge.
        * profile-count.h (apply_probability): If THIS is 0, then result is 0
        (apply_scale): Likewise.
        * tree-inline.c (copy_bb, copy_edges_for_bb, copy_cfg_body):
        Also scale profile when inlining function with zero profile.
        (initialize_cfun): Update exit block profile even when it is zero.
        * tree-ssa-threadupdate.c (clear_counts_path): Handle correctly case
        when profile is read.

2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (toplevel): Include attribs.h.
        (CLONE_*): New constants to define the processors we can generate
        code for with the target_clone attribute.
        (rs6000_clone_map): New array to identify which clone processors
        the current program is running on.
        (TARGET_COMPARE_VERSION_PRIORITY): Define to enable the
        target_clone attribute.
        (TARGET_GENERATE_VERSION_DISPATCHER_BODY): Likewise.
        (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): Likewise.
        (TARGET_OPTION_FUNCTION_VERSIONS): Likewise.
        (cpu_expand_builtin): Add support for target_clone attribute.
        (rs6000_valid_attribute_p): Allow "default" attribute.
        (get_decl_name): New debug function to simplify printing the
        current function name in debugging statements.
        (rs6000_clone_priority): New functions to support the target_clone
        attribute, and be able to generate code to switch between ISA 2.05
        through ISA 3.0 (power6 through power9).
        (rs6000_compare_version_priority): Likewise.
        (rs6000_get_function_versions_dispatcher): Likewise.
        (make_resolver_func): Likewise.
        (add_condition_to_bb): Likewise.
        (dispatch_function_versions): Likewise.
        (rs6000_generate_version_dispatcher_body): Likewise.
        (rs6000_can_inline_p): Call get_decl_name for debugging usage.
        (fusion_gpr_load_p): Fix a spacing issue.
        * doc/extend.texi (Common Function Attributes): Document that the
        PowerPC supports the target_clone attribute.

2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/arm.h: explain F symbol found in description of ARM
        register allocation in its legend.

2017-06-05  Jan Hubicka  <hubicka@ucw.cz>

        * config/mips/frame-header-opt.c: Include profile-count.h.
        * config/riscv/riscv.c: Include profile-count.h

2017-06-05  Jan Hubicka  <hubicka@ucw.cz>

        * tree-ssa-loop-im.c (execute_sm_if_changed): Add FLAG_BBS parameter;
        update profile.
        (sm_set_flag_if_changed): Add bbs field.
        (execute_sm_if_changed_flag_set): Pass BBS.
        (execute_sm): Update.

2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64-simd.md (aarch64_store_lane0<mode>):
        New pattern.

2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): New define_insn.
        (peephole2): New peephole2 to emit the above.
        * config/aarch64/predicates.md (aarch64_sub_immediate): New predicate.

2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (define_peephole2 above
        *sub_<shift>_<mode>): New peephole.

2017-05-23  Jan Hubicka  <hubicka@ucw.cz>

        * config/i386/i386.c (make_resolver_func): Update.
        * Makefile.in: Add profile-count.h and profile-count.o
        * auto-profile.c (afdo_indirect_call): Update to new API.
        (afdo_set_bb_count): Update.
        (afdo_propagate_edge): Update.
        (afdo_propagate_circuit): Update.
        (afdo_calculate_branch_prob): Update.
        (afdo_annotate_cfg): Update.
        * basic-block.h: Include profile-count.h
        (struct edge_def): Turn count to profile_count.
        (struct basic_block_def): Likewie.
        (REG_BR_PROB_BASE): Move to profile-count.h
        (RDIV): Move to profile-count.h
        * bb-reorder.c (max_entry_count): Turn to profile_count.
        (find_traces): Update.
        (rotate_loop):Update.
        (connect_traces):Update.
        (sanitize_hot_paths):Update.
        * bt-load.c (migrate_btr_defs): Update.
        * cfg.c (RDIV): Remove.
        (init_flow): Use alloc_block.
        (alloc_block): Uninitialize count.
        (unchecked_make_edge): Uninitialize count.
        (check_bb_profile): Update.
        (dump_edge_info): Update.
        (dump_bb_info): Update.
        (update_bb_profile_for_threading): Update.
        (scale_bbs_frequencies_int): Update.
        (scale_bbs_frequencies_gcov_type): Update.
        (scale_bbs_frequencies_profile_count): New.
        * cfg.h (update_bb_profile_for_threading): Update.
        (scale_bbs_frequencies_profile_count): Declare.
        * cfgbuild.c (compute_outgoing_frequencies): Update.
        (find_many_sub_basic_blocks): Update.
        * cfgcleanup.c (try_forward_edges): Update.
        (try_crossjump_to_edge): Update.
        * cfgexpand.c (expand_gimple_tailcall): Update.
        (construct_exit_block): Update.
        * cfghooks.c (verify_flow_info): Update.
        (dump_bb_for_graph): Update.
        (split_edge): Update.
        (make_forwarder_block): Update.
        (duplicate_block): Update.
        (account_profile_record): Update.
        * cfgloop.c (find_subloop_latch_edge_by_profile): Update.
        (get_estimated_loop_iterations): Update.
        * cfgloopanal.c (expected_loop_iterations_unbounded): Update.
        (single_likely_exit): Update.
        * cfgloopmanip.c (scale_loop_profile): Update.
        (loopify): Update.
        (set_zero_probability): Update.
        (lv_adjust_loop_entry_edge): Update.
        * cfgrtl.c (force_nonfallthru_and_redirect): Update.
        (purge_dead_edges): Update.
        (rtl_account_profile_record): Update.
        * cgraph.c (cgraph_node::create): Uninitialize count.
        (symbol_table::create_edge): Uninitialize count.
        (cgraph_update_edges_for_call_stmt_node): Update.
        (cgraph_edge::dump_edge_flags): Update.
        (cgraph_node::dump): Update.
        (cgraph_edge::maybe_hot_p): Update.
        * cgraph.h: Include profile-count.h
        (create_clone), create_edge, create_indirect_edge): Update.
        (cgraph_node): Turn count to profile_count.
        (cgraph_edge0: Likewise.
        (make_speculative, clone): Update.
        (create_edge): Update.
        (init_lowered_empty_function): Update.
        * cgraphclones.c (cgraph_edge::clone): Update.
        (duplicate_thunk_for_node): Update.
        (cgraph_node::create_clone): Update.
        * cgraphunit.c (cgraph_node::analyze): Update.
        (cgraph_node::expand_thunk): Update.
        * final.c (dump_basic_block_info): Update.
        * gimple-streamer-in.c (input_bb): Update.
        * gimple-streamer-out.c (output_bb): Update.
        * graphite.c (print_global_statistics): Update.
        (print_graphite_scop_statistics): Update.
        * hsa-brig.c: Include basic-block.h.
        * hsa-dump.c: Include basic-block.h.
        * hsa-gen.c (T sum_slice): Update.
        (convert_switch_statements):Update.
        * hsa-regalloc.c: Include basic-block.h.
        * ipa-chkp.c (chkp_produce_thunks): Update.
        * ipa-cp.c (struct caller_statistics): Update.
        (init_caller_stats): Update.
        (gather_caller_stats): Update.
        (ipcp_cloning_candidate_p): Update.
        (good_cloning_opportunity_p): Update.
        (get_info_about_necessary_edges): Update.
        (dump_profile_updates): Update.
        (update_profiling_info): Update.
        (update_specialized_profile): Update.
        (perhaps_add_new_callers): Update.
        (decide_about_value): Update.
        (ipa_cp_c_finalize): Update.
        * ipa-devirt.c (struct odr_type_warn_count): Update.
        (struct decl_warn_count): Update.
        (struct final_warning_record): Update.
        (possible_polymorphic_call_targets): Update.
        (ipa_devirt): Update.
        * ipa-fnsummary.c (redirect_to_unreachable): Update.
        * ipa-icf.c (sem_function::merge): Update.
        * ipa-inline-analysis.c (do_estimate_edge_time): Update.
        * ipa-inline.c (compute_uninlined_call_time): Update.
        (compute_inlined_call_time): Update.
        (want_inline_small_function_p): Update.
        (want_inline_self_recursive_call_p): Update.
        (edge_badness): Update.
        (lookup_recursive_calls): Update.
        (recursive_inlining): Update.
        (inline_small_functions): Update.
        (dump_overall_stats): Update.
        (dump_inline_stats): Update.
        * ipa-profile.c (ipa_profile_generate_summary): Update.
        (ipa_propagate_frequency): Update.
        (ipa_profile): Update.
        * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
        * ipa-utils.c (ipa_merge_profiles): Update.
        * loop-doloop.c (doloop_modify): Update.
        * loop-unroll.c (report_unroll): Update.
        (unroll_loop_runtime_iterations): Update.
        * lto-cgraph.c (lto_output_edge): Update.
        (lto_output_node): Update.
        (input_node): Update.
        (input_edge): Update.
        (merge_profile_summaries): Update.
        * lto-streamer-in.c (input_cfg): Update.
        * lto-streamer-out.c (output_cfg): Update.
        * mcf.c (create_fixup_graph): Update.
        (adjust_cfg_counts): Update.
        (sum_edge_counts): Update.
        * modulo-sched.c (sms_schedule): Update.
        * postreload-gcse.c (eliminate_partially_redundant_load): Update.
        * predict.c (maybe_hot_count_p): Update.
        (probably_never_executed): Update.
        (dump_prediction): Update.
        (combine_predictions_for_bb): Update.
        (propagate_freq): Update.
        (handle_missing_profiles): Update.
        (counts_to_freqs): Update.
        (rebuild_frequencies): Update.
        (force_edge_cold): Update.
        * predict.h: Include profile-count.h
        (maybe_hot_count_p, counts_to_freqs): UPdate.
        * print-rtl-function.c: Do not include cfg.h
        * print-rtl.c: Include basic-block.h
        * profile-count.c: New file.
        * profile-count.h: New file.
        * profile.c (is_edge_inconsistent): Update.
        (correct_negative_edge_counts): Update.
        (is_inconsistent): Update.
        (set_bb_counts): Update.
        (read_profile_edge_counts): Update.
        (compute_frequency_overlap): Update.
        (compute_branch_probabilities): Update; Initialize and deinitialize
        gcov_count tables.
        (branch_prob): Update.
        * profile.h (bb_gcov_counts, edge_gcov_counts): New.
        (edge_gcov_count): New.
        (bb_gcov_count): New.
        * shrink-wrap.c (try_shrink_wrapping): Update.
        * tracer.c (better_p): Update.
        * trans-mem.c (expand_transaction): Update.
        (ipa_tm_insert_irr_call): Update.
        (ipa_tm_insert_gettmclone_call): Update.
        * tree-call-cdce.c: Update.
        * tree-cfg.c (gimple_duplicate_sese_region): Update.
        (gimple_duplicate_sese_tail): Update.
        (gimple_account_profile_record): Update.
        (execute_fixup_cfg): Update.
        * tree-inline.c (copy_bb): Update.
        (copy_edges_for_bb): Update.
        (initialize_cfun): Update.
        (freqs_to_counts): Update.
        (copy_cfg_body): Update.
        (expand_call_inline): Update.
        * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
        * tree-ssa-loop-ivcanon.c (unloop_loops): Update.
        (try_unroll_loop_completely): Update.
        (try_peel_loop): Update.
        * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
        * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Update.
        * tree-ssa-loop-split.c (connect_loops): Update.
        * tree-ssa-loop-unswitch.c (hoist_guard): Update.
        * tree-ssa-reassoc.c (branch_fixup): Update.
        * tree-ssa-tail-merge.c (replace_block_by): Update.
        * tree-ssa-threadupdate.c (create_block_for_threading): Update.
        (compute_path_counts): Update.
        (update_profile): Update.
        (recompute_probabilities): Update.
        (update_joiner_offpath_counts): Update.
        (estimated_freqs_path): Update.
        (freqs_to_counts_path): Update.
        (clear_counts_path): Update.
        (ssa_fix_duplicate_block_edges): Update.
        (duplicate_thread_path): Update.
        * tree-switch-conversion.c (case_bit_test_cmp): Update.
        (struct switch_conv_info): Update.
        * tree-tailcall.c (decrease_profile): Update.
        * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
        * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
        * value-prof.c (check_counter): Update.
        (gimple_divmod_fixed_value): Update.
        (gimple_mod_pow2): Update.
        (gimple_mod_subtract): Update.
        (gimple_ic_transform): Update.
        (gimple_stringop_fixed_value): Update.
        * value-prof.h (gimple_ic): Update.

2017-06-02  Carl Love  <cel@us.ibm.com>

        * config/rs6000/rs6000-c: Add support for built-in functions
        vector double vec_doublee (vector signed int);
        vector double vec_doublee (vector unsigned int);
        vector double vec_doublee (vector float);
        vector double vec_doubleh (vector signed int);
        vector double vec_doubleh (vector unsigned int);
        vector double vec_doubleh (vector float);
        vector double vec_doublel (vector signed int);
        vector double vec_doublel (vector unsigned int);
        vector double vec_doublel (vector float);
        vector double vec_doubleo (vector signed int);
        vector double vec_doubleo (vector unsigned int);
        vector double vec_doubleo (vector float);.
        * config/rs6000/rs6000-builtin.def: Add definitions for DOUBLEE,
        DOUBLEO, DOUBLEH, DOUBLEL, UNS_DOUBLEO, UNS_DOUBLEE, UNS_DOUBLEH,
        UNS_DOUBLEL.
        * config/rs6000/altivec.md: Add code generator for doublee<mode>2,
        unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2, doubleh<mode>2,
        unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2, add mode attribute
        VS_sxwsp.
        * config/rs6000/altivec.h: Add define for vec_doublee, vec_doubleo,
        vec_doublel, vec_doubleh.
        * doc/extend.texi: Update the built-in documentation file for the
        new built-in functions.

2017-06-02  David Malcolm  <dmalcolm@redhat.com>

        PR jit/80954
        * ipa-inline-analysis.c (free_growth_caches): Set
        edge_removal_hook_holder to NULL after removing it.

2017-06-02  Sudakshina Das  <sudi.das@arm.com>

        * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_SWP for
        comparision with zero.

2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
        * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
        for early expansion of vec_min and vec_max builtins.
        (builtin_function_type): Add min/max unsigned variants to those
        identified as having unsigned arguments.

2017-06-02  Olivier Hainque  <hainque@adacore.com>

        * config/vx-common.h (DWARF_UNWIND_INFO): Switch #define to 1.

2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
        Use VALL_F16 iterator rather than VALL.

2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (aarch64_split_compare_and_swap):
        Emit CBNZ inside loop when doing a strong exchange and comparing
        against zero.  Generate the CC flags after the loop.

2017-06-02  David Edelsohn  <dje.gcc@gmail.com>

        * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
        (dl_section_ref): New.
        (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
        On AIX, append an expression to subtract the size of the
        section length to dl_section_ref.

2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
        for early expansion of vector absolute builtins.

2017-06-02  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_detect_hybrid_slp_2): Match up
        what we consider a relevant use stmt with vect_detect_hybrid_slp_stmts.

2017-06-02  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80948
        * tree-tailcall.c (find_tail_calls): Track stmts to move in
        stmt order as well.

2017-06-02  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vect_analyze_loop_operations): Not relevant
        PHIs are ok.
        * tree-vect-stmts.c (process_use): Do not mark backedge defs
        for inductions as relevant.

2017-06-02  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (get_initial_def_for_induction): Inline into ...
        (vectorizable_induction): ... this.  Remove dead code.

2017-06-02  Eric Botcazou  <ebotcazou@adacore.com>

        * builtins. (expand_builtin_alloca): Remove second parameter and
        infer its value from the first parameter instead.
        (expand_builtin) <BUILT_IN_ALLOCA>: Adjust call to above.

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

        PR rtl-optimization/80903
        * loop-doloop.c (add_test): Unshare sequence.

2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * doc/invoke.texi: Document the -Wsizeof-pointer-div warning.

2017-06-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * config/i386/i386.c (x86_64_ms_sysv_extra_clobbered_registers): Make
        static.
        (xlogue_layout::get_stack_space_used, xlogue_layout::s_instances,
        xlogue_layout::get_instance, logue_layout::xlogue_layout,
        sp_valid_at, fp_valid_at, choose_basereg): Formatting.
        (xlogue_layout::get_stub_rtx): Make static.
        (xlogue_layout::get_stub_name): Avoid const-cast, make static.
        (xlogue_layout::compute_stub_managed_regs): Rename to...
        (xlogue_layout::count_stub_managed_regs): ...this.
        (xlogue_layout::is_stub_managed_reg): New function.
        (xlogue_layout::m_stub_names): Rename to...
        (xlogue_layout::s_stub_names): ...this, make static.
        (xlogue_layout::STUB_INDEX_OFFSET, xlogue_layout::MIN_REGS,
        xlogue_layout::MAX_REGS, xlogue_layout::MAX_EXTRA_REGS,
        xlogue_layout::VARIANT_COUNT, xlogue_layout::STUB_NAME_MAX_LEN,
        xlogue_layout::s_stub_names): Instantiate statics.
        (stub_managed_regs): Remove.
        (ix86_save_reg): Use xlogue_layout::compute_stub_managed_regs.
        (disable_call_ms2sysv_xlogues): Rename to...
        (warn_once_call_ms2sysv_xlogues): ...this, and warn only once.
        (ix86_initial_elimination_offset, ix86_expand_call): Fix call_ms2sysv
        warning logic.
        (ix86_static_chain): Make sure that ix86_static_chain_on_stack can't
        change after reload_completed.
        (ix86_can_use_return_insn_p): Use the ix86_frame data structure
        directly.
        (ix86_expand_prologue): Likewise.
        (ix86_expand_epilogue): Likewise.
        (ix86_expand_split_stack_prologue): Likewise.
        (ix86_compute_frame_layout): Remove frame parameter ...
        (TARGET_COMPUTE_FRAME_LAYOUT): ... and export it as a target hook.
        (ix86_finalize_stack_realign_flags): Call ix86_compute_frame_layout
        only if necessary.
        (ix86_init_machine_status): Don't set use_fast_prologue_epilogue_nregs.
        (ix86_frame): Move from here ...
        * config/i386/i386.h (ix86_frame): ... to here.
        (machine_function): Remove use_fast_prologue_epilogue_nregs, cache the
        complete ix86_frame data structure instead.  Remove some_ld_name.

2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>

        * dwarf2out.c (dwarf2out_late_global_decl): Add locations for
        symbols that hold a DECL_VALUE_EXPR.

2017-06-01  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/80898
        * tree-sra.c (process_subtree_disqualification): Removed.
        (disqualify_candidate): Do not acll
        process_subtree_disqualification.
        (subtree_mark_written_and_enqueue): New function.
        (propagate_all_subaccesses): Set grp_write of LHS subtree if the
        RHS has been disqualified and re-queue LHS if necessary.  Apart
        from that, ignore disqualified RHS.

2017-06-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_emit_epilogue): Disable early return
        address fetch for z10 or later.

2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.md (tst_movb): Add guard when splitting.

2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_can_eliminate): Test against
        arc_frame_pointer_needed.

2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_expand_prologue): Emit a special barrier
        to prevent store reordering.
        * config/arc/arc.md (UNSPEC_ARC_STKTIE): Define.
        (type): Add block type.
        (stack_tie): Define special instruction to be used in
        expand_prologue.

2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.md (commutative_binary_comparison): Remove 'I'
        constraint. It is not valid for the pattern.
        (noncommutative_binary_comparison): Likewise.

2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/simdext.md (movv2hi_insn): Change predicate to avoid
        scaled addresses.

2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_conditional_register_usage): Allow r30 to
        be used by the reg-alloc.

2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.md (mulsi3): Avoid use of hard registers before
        reg-alloc when having mul64 or mul32x16 instructions.
        (mulsidi3): Likewise.
        (umulsidi3): Likewise.
        (mulsi32x16): New pattern.
        (mulsi64): Likewise.
        (mulsidi64): Likewise.
        (umulsidi64): Likewise.
        (MUL32x16_REG): Define.
        (mul64_600): Use MUL32x16_REG.
        (mac64_600): Likewise.
        (umul64_600): Likewise.
        (umac64_600): Likewise.

2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.md (mulsi3_700): Make it commutative.

2017-06-01  Jose E. Marchesi  <jose.marchesi@oracle.com>

        * config/sparc/sparc.md (*zero_extendsidi2_insn_sp64): Set insn
        type for movstouw.
        (*sign_extendsidi2_insn): Likewise for movstosw.

2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>

        * dwarf2out.c (get_discr_value): Call the get_debug_type hook on
        the type of the input discriminant value.  Convert the
        discriminant value of signedness vary.

2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>

        * doc/invoke.texi (-Wcatch-value): Document new shortcut.
        Add to -Wall section.

2017-06-01  Richard Biener  <rguenther@suse.de>

        PR middle-end/66313
        * fold-const.c (fold_plusminus_mult_expr): If the factored
        factor may be zero use a wrapping type for the inner operation.
        * tree-tailcall.c (independent_of_stmt_p): Pass in to_move bitmap
        and handle moved defs.
        (process_assignment): Properly guard the unary op case.  Return a
        tri-state indicating that moving the stmt before the call may allow
        to continue.  Pass through to_move.
        (find_tail_calls): Handle moving unrelated defs before
        the call.

2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/80618
        * config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
        splitter result in the canonical way.

2017-05-31  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*zero_extendsidi2): Enable alternative (?r, *Yj)
        also for 32bit target.  Update insn attributes.
        (zero-extendsidi2 splitter): Allow all registers for operand 1.

2017-05-31  Sebastian Peryt  <sebastian.peryt@intel.com>

        * config/i386/avx512fintrin.h (_mm_mask_max_sd)
        (_mm_maskz_max_sd, _mm_mask_max_ss, _mm_maskz_max_ss)
        (_mm_mask_min_sd, _mm_maskz_min_sd, _mm_mask_min_ss)
        (_mm_maskz_min_ss): New intrinsics.

2017-05-31  Martin Liska  <mliska@suse.cz>

        * tree-vect-loop.c (vect_create_epilog_for_reduction):
        Change comment style to one we normally use.
        (vectorizable_reduction): Likewise.
        (vectorizable_induction): Likewise.
        * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
        (vectorizable_call): Likewise.
        (vectorizable_simd_clone_call): Likewise.
        (vectorizable_conversion): Likewise.
        (vectorizable_assignment): Likewise.
        (vectorizable_shift): Likewise.
        (vectorizable_operation): Likewise.
        (vectorizable_store): Likewise.
        (vectorizable_load): Likewise.
        * tree-vectorizer.h: Likewise.

2017-05-31  Alexander Monakov  <amonakov@ispras.ru>

        * passes.c (emergency_dump_function): New.
        * tree-pass.h (emergency_dump_function): Declare.
        * plugin.c (plugins_internal_error_function): Remove.
        * plugin.h (plugins_internal_error_function): Remove declaration.
        * toplev.c (internal_error_function): New static function.  Use it...
        (general_init): ...here.

2017-05-31  Graham Markall  <graham.markall@embecosm.com>

        * config/arc/arc.c (arc_print_operand): Handle constant operands.
        (arc_rtx_costs): Add costs for new patterns.
        * config/arc/arc.md: Additional *add_n and *sub_n patterns.
        * config/arc/predicates.md: Add _1_2_3_operand predicate.

2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-ssa-strlen.c (get_next_strinfo): New function.
        (get_stridx_plus_constant): Use it.
        (zero_length_string): Likewise.
        (adjust_related_strinfos): Likewise.
        (adjust_last_stmt): Likewise.

2017-05-31  Richard Biener  <rguenther@suse.de>

        PR target/80880
        * config/i386/i386.c (ix86_expand_builtin): Remove assert
        for arg being an SSA name when expanding IX86_BUILTIN_BNDRET.

2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-vect-data-refs.c (vect_find_same_alignment_drs): Remove
        loop_vinfo argument and use of dependence distance vectors.
        Check instead whether the two references differ only in their
        initial value and assume that they have the same alignment if the
        difference is a multiple of the vector alignment.
        (vect_analyze_data_refs_alignment): Update call accordingly.

2017-05-31  Martin Liska  <mliska@suse.cz>

        PR target/79155
        * config/i386/cpuid.h: Fix typo in a comment in cpuid.h.

2017-05-31  Bin Cheng  <bin.cheng@arm.com>

        * tree-vect-loop-manip.c (create_intersect_range_checks_index)
        (create_intersect_range_checks): Move from ...
        * tree-data-ref.c (create_intersect_range_checks_index)
        (create_intersect_range_checks): ... to here.
        (create_runtime_alias_checks): New function factored from ...
        * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): ...
        here.  Call above function.
        * tree-data-ref.h (create_runtime_alias_checks): New function.

2017-05-31  Bin Cheng  <bin.cheng@arm.com>

        * tree-data-ref.c (prune_runtime_alias_test_list): Relax minimal
        segment length for dr_b and compute it in wide_int.

2017-05-31  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80906
        * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
        and pass through iv_map.
        (copy_bb_and_scalar_dependences): Adjust.
        (translate_pending_phi_nodes): Likewise.
        (copy_loop_close_phi_args): Handle code-generating IVs instead
        of ICEing.

2017-05-30  David Malcolm  <dmalcolm@redhat.com>

        * diagnostic-color.c (color_dict): Add "type-diff".
        (parse_gcc_colors): Update comment.
        * doc/invoke.texi (Diagnostic Message Formatting Options): Add
        -fdiagnostics-show-template-tree and -fno-elide-type.
        (GCC_COLORS): Add type-diff to example.
        (type-diff=): New.
        (-fdiagnostics-show-template-tree): New.
        (-fno-elide-type): New.
        * pretty-print.c (pp_format): Pass quote and formatters[argno] to
        the pp_format_decoder callback.  Call any m_format_postprocessor's
        "handle" method.
        (pretty_printer::pretty_printer): Initialize
        m_format_postprocessor.
        (pretty_printer::~pretty_printer): Delete any
        m_format_postprocessor.
        * pretty-print.h (printer_fn): Add bool and const char ** parameters.
        (class format_postprocessor): New class.
        (struct pretty_printer::format_decoder): Document the new parameters.
        (struct pretty_printer::m_format_postprocessor): New field.
        * tree-diagnostic.c (default_tree_printer): Update for new
        bool and const char ** params.
        * tree-diagnostic.h (default_tree_printer): Likewise.

2017-05-30  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): Delete.
        (lwa_operand): Delete rs6000_gen_cell_microcode test.
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
        rs6000_gen_cell_microcode code.
        (rs6000_final_prescan_insn): Delete.
        (rs6000_opt_vars): Delete the "gen-cell-microcode" and
        "warn-cell-microcode" entries.
        * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Delete.
        * config/rs6000/rs6000.md: Delete rs6000_gen_cell_microcode tests
        throughout.  Change cc_reg_not_micro_cr0_operand to
        cc_reg_not_cr0_operand throughout.
        (*extendhi<mode>2_noload): Delete.
        * config/rs6000/rs6000.opt (mgen-cell-microcode): Replace by stub.
        (mwarn-cell-microcode): Delete.
        * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
        -mgen-cell-microcode and -mwarn-cell-microcode.

2017-05-30  Uros Bizjak  <ubizjak@gmail.com>

        PR target/80833
        * config/i386/constraints.md (Yd): New constraint.
        (Ye): Ditto.
        * config/i386/i386.md (*movti_internal): Add (?r, Ye)
        and (?Yd, r) alternatives.  Update insn attributes.
        * config/i386/i386.md (*movti_internal): Add (?r, *Ye)
        and (?*Yd, r) alternatives.  Update insn attributes.
        (double-mode inter-unit splitters): Add new GR<->XMM splitters.

2017-05-30  Pierre-Marie de Rodat  <derodat@adacore.com>

        * gimplify.c (gimplify_modify_expr): Don't create a
        DECL_DEBUG_EXPR link if *FROM_P does not belong to the current
        function.

2017-05-30  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/arm/arm-builtins.c (arm_expand_builtin): Remove const.

2017-05-30  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (struct _stmt_vec_info): Add reduc_type
        and reduc_def fields.
        (STMT_VINFO_REDUC_TYPE): New define.
        (STMT_VINFO_REDUC_DEF): Likewise.
        (vect_force_simple_reduction): Adjust prototype.
        * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Adjust.
        (vect_is_simple_reduction): Remove check_reduction argument.
        (vect_force_simple_reduction): Adjust and set
        STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
        (vectorizable_reduction): Do not re-do reduction analysis
        but use STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
        * tree-parloops.c (gather_scalar_reductions): Adjust.

2017-05-30  Richard Biener  <rguenther@suse.de>

        PR middle-end/80901
        * cfgexpand.c (expand_gimple_cond): Match up loop fixup with
        split_edge code.

2017-05-24  Robin Dapp  <rdapp@linux.vnet.ibm.com>

        * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs):
        Introduce unknown_misalignment parameter and remove vf.
        (vect_peeling_hash_get_lowest_cost):
        Pass unknown_misalignment parameter.
        (vect_enhance_data_refs_alignment):
        Fix unsupportable data ref treatment.

2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>

        * tree-vect-data-refs.c (vect_get_data_access_cost):
        Workaround for SLP handling.
        (vect_enhance_data_refs_alignment):
        Compute costs for doing no peeling at all, compare to the best
        peeling costs so far and avoid peeling if cheaper.

2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>

        * tree-vect-data-refs.c (vect_peeling_hash_choose_best_peeling):
        Return peeling info and set costs to zero for unlimited cost
        model.
        (vect_enhance_data_refs_alignment): Also inspect all datarefs
        with unknown misalignment. Compute and costs for unknown
        misalignment, compare them to the costs for known misalignment
        and choose the cheapest for peeling.

2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>

        * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Rename.
        (vect_get_peeling_costs_all_drs): Create function.
        (vect_peeling_hash_get_lowest_cost):
        Use vect_get_peeling_costs_all_drs.
        (vect_peeling_supportable): Create function.
        (vect_enhance_data_refs_alignment): Use vect_peeling_supportable.

2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>

        * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
        DR_HAS_NEGATIVE_STEP.
        (vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
        (vect_enhance_data_refs_alignment): Use.
        (vect_duplicate_ssa_name_ptr_info): Use.
        * tree-vectorizer.h (dr_misalignment): Use.
        (known_alignment_for_access_p): Use.

2017-05-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>

        PR target/78838
        * config/msp430/msp430.c (gen_prefix): Return NULL when section name is
        .lowtext.
        (has_section_name): New function.

2017-05-30  Martin Liska  <mliska@suse.cz>

        PR other/80909
        * auto-profile.c (get_function_decl_from_block): Fix
        parenthesis.

2017-05-30  Richard Biener  <rguenther@suse.de>

        PR middle-end/80876
        * cfgexpand.c (expand_gimple_cond): Fixup preserving loops again.

2017-05-30  Martin Liska  <mliska@suse.cz>

        * dumpfile.c: Use newly added macro DUMP_FILE_INFO.
        * dumpfile.h (struct dump_file_info): Remove ctors.

2017-05-30  Martin Liska  <mliska@suse.cz>

        * predict.def: Fix GNU coding style.

2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
        Mark 'to' argument with ATTRIBUTE_UNUSED.

2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/xtensa.c (xtensa_emit_call): Use
        HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
        (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
        format string.

2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/install.texi (Options specification): Restore entry of
        --enable-sjlj-exceptions.

2017-05-27  Michael Eager  <eager@eagercon.com>

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

        See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.

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

2017-05-27  François-Xavier Coudett  <fxcoudert@gcc.gnu.org>

        * doc/install.texi: Add links to macOS binary distributions.

2017-05-27  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/80887
        Revert:
        2017-05-25  Marc Glisse  <marc.glisse@inria.fr>

        * match.pd ((A +- CST1) +- CST2): Allow some conversions.

2017-05-26  Martin Liska  <mliska@suse.cz>

        * dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.

2017-05-26  Martin Liska  <mliska@suse.cz>

        * cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
        always leading ';; '.
        (dump_bb_info): Likewise.
        (brief_dump_cfg): Likewise.
        * cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
        * dumpfile.c: Remove usage of TDF_VERBOSE.
        * dumpfile.h (enum dump_kind): Likewise.
        (dump_gimple_bb_header): Do not use TDF_COMMENT.
        * print-tree.c (debug_verbose): Remove.
        * tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
        (dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
        * tree-diagnostic.c (default_tree_printer): Replace
        TDF_DIAGNOSTIC with TDF_SLIM.

2017-05-26  Bin Cheng  <bin.cheng@arm.com>

        * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
        in parameter loop, rather than loop_vinfo.
        (create_intersect_range_checks): Ditto.
        (vect_create_cond_for_alias_checks): Update call to above functions.

2017-05-26  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/80815
        * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
        for merging runtime alias checks.  Handle negative DR_STEPs.

2017-05-26  Bin Cheng  <bin.cheng@arm.com>

        * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
        Move from ...
        * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
        * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
        out code pruning runtime alias checks.
        * tree-data-ref.c (prune_runtime_alias_test_list): New function
        factored out from above.
        * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
        Move from ...
        * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
        ... to here.
        (prune_runtime_alias_test_list): New decalaration.

2017-05-26  Bin Cheng  <bin.cheng@arm.com>

        * tree-vect-data-refs.c (compare_tree): Rename and move ...
        * tree-data-ref.c (data_ref_compare_tree): ... to here.
        * tree-data-ref.h (data_ref_compare_tree): New decalaration.
        * tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
        (operator==, comp_dr_with_seg_len_pair): Ditto.
        (vect_prune_runtime_alias_test_list): Ditto.

2017-05-26  Martin Liska  <mliska@suse.cz>

        PR ipa/80663
        * params.def: Bound partial-inlining-entry-probability param.

2017-05-26  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/80875
        * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
        can be negated.

2017-05-26  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80842
        * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
        value.

2017-05-26  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80844
        * tree-vectorizer.c (adjust_simduid_builtins): Propagate results.

2017-05-25  Sebastian Peryt  <sebastian.peryt@intel.com>

        * doc/md.texi (Machine Constraints): Update x86 family
        machine constraints section to match 'config/i386/constraints.md'.

2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>

        * doc/invoke.texi (-Wcatch-value=): Document new warning option.

2017-05-25  Nathan Sidwell  <nathan@acm.org>

        * doc/invoke.texi (--enable-languages): Update documentation.

2017-05-25  Martin Liska  <mliska@suse.cz>

        * dumpfile.c: Add TDF_FOLDING.
        * dumpfile.h (enum dump_kind): Likewise.
        * genmatch.c (dt_simplify::gen_1): Use it.

2017-05-25  Marc Glisse  <marc.glisse@inria.fr>

        * match.pd (view_convert (convert@0 @1)): Handle zero-extension.

2017-05-25  Marc Glisse  <marc.glisse@inria.fr>

        * match.pd ((A +- CST1) +- CST2): Allow some conversions.
        * tree.c (drop_tree_overflow): Handle COMPLEX_CST and VECTOR_CST.

2017-05-25  Marc Glisse  <marc.glisse@inria.fr>

        * fold-const.c (fold_binary_loc) [(A & C) == D]: Remove transformation.
        * match.pd (X == C): Rewrite it here.
        (with_possible_nonzero_bits, with_possible_nonzero_bits2,
        with_certain_nonzero_bits2): New predicates.
        * tree-ssanames.c (get_nonzero_bits): Handle INTEGER_CST.

2017-05-24  Nathan Sidwell  <nathan@acm.org>

        * lto-streamer-in.c (lto_input_data_block): Adjust T const cast to
        avoid warning.

        * auto-profile.c (afdo_propagate): Adjust T const cast to avoid
        warning.

2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/powerpcspe: New port.  Files are copied from the rs6000
        port, with "rs6000" in filenames replaced by "powerpcspe".

2017-05-24  Wilco Dijkstra  <wdijkstr@arm.com>

        PR rtl-optimization/80754
        * lra-remat.c (do_remat): Add overlap checks for dst_regno.

2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>

        * config/sparc/sparc.md (length): Return the correct value for -mflat
        sibcalls to match output_sibcall.

2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>

        PR bootstrap/80860
        PR bootstrap/80843
        * config/rs6000/rs6000.c (struct machine_function): Add new field
        n_components.
        (rs6000_get_separate_components): Init that field, use it.
        (rs6000_components_for_bb): Use the field.

2017-05-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.

2017-05-24  Peter Bergner  <bergner@vnet.ibm.com>

        PR middle-end/80823
        * tree-cfg.c (group_case_labels_stmt): Delete increment of "i";

2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        PR target/80725
        * config/s390/s390.c (s390_check_qrst_address): Check incoming
        address against address_operand predicate.
        * config/s390/s390.md ("*indirect_jump"): Swap alternatives.

2017-05-24  Eric Botcazou  <ebotcazou@adacore.com>

        * var-tracking.c (track_expr_p): Do not return 0 for tracked record
        parameters passed indirectly.

2017-05-23  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movdi_internal): Remove SSE4
        alternative 18 (?r, *v).  Update insn attributes.
        (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
        Update insn attributes.
        (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
        Update insn attributes.
        * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
        alternative 1 (r, v). Remove isa attribute.
        * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
        Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
        and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.

2017-05-23  Tom de Vries  <tom@codesourcery.com>

        * doc/sourcebuild.texi (Directives, Verify compiler message): Document
        dg-line directive.

2017-05-23  Jan Hubicka  <hubicka@ucw.cz>

        * cgraphunit.c (symbol_table::process_new_functions): Update.
        * ipa-fnsummary.c (pass_data_inline_parameters): Remove.
        (inline_generate_summary): Rename to ...
        (ipa_fn_summary_generate): ... this one.
        (inline_read_summary): Rename to ...
        (ipa_fn_summary_read): ... this one.
        (inline_write_summary): Rename to ...
        (ipa_fn_summary_write): ... this one.
        (inline_free_summary): Rename to ...
        (ipa_free_fn_summary): ... this one.
        (pass_data_local_fn_summary, pass_local_fn_summary,
        make_pass_local_fn_summary, pass_data_ipa_free_fn_summary,
        pass_ipa_free_fn_summary, make_pass_ipa_free_fn_summary,
        pass_data_ipa_fn_summary, pass_ipa_fn_summary,
        make_pass_ipa_fn_summary): New.
        * ipa-fnsummary.h (inline_generate_summary, inline_read_summary,
        inline_write_summary, inline_free_summary): Remove.
        (ipa_free_fn_summary) : New.
        * ipa-inline.c (ipa_inline): Update.
        (pass_ipa_inline): Do not generate summaries.
        * ipa.c (pass_data_ipa_free_fn_summary, pass_ipa_free_fn_summary):
        Remove.
        * passes.def: Replace pass_inline_parameters by pass_local_fn_summary
        and add pass_ipa_fn_summary.
        * tree-pass.h (make_pass_ipa_fn_summary, make_pass_local_fn_summary):
        New.
        (make_pass_inline_parameters): Remove.

2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>

        * omp-low.c (struct omp_context): Remove "default_kind" member.
        Adjust all users.

        * omp-offload.c (execute_oacc_device_lower): Remove the
        parallelism dimensions function attributes for unparallelized
        OpenACC kernels constructs.

2017-05-23  Martin Liska  <mliska@suse.cz>

        * cgraph.c (cgraph_node::get_create): Use symtab_node::dump_{asm_,}name
        functions.
        (cgraph_edge::make_speculative): Likewise.
        (cgraph_edge::resolve_speculation): Likewise.
        (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
        (cgraph_node::dump): Likewise.
        * cgraph.h: Likewise.
        * cgraphunit.c (analyze_functions): Likewise.
        (symbol_table::compile): Likewise.
        * ipa-cp.c (print_all_lattices): Likewise.
        (determine_versionability): Likewise.
        (initialize_node_lattices): Likewise.
        (ipcp_verify_propagated_values): Likewise.
        (estimate_local_effects): Likewise.
        (update_profiling_info): Likewise.
        (create_specialized_node): Likewise.
        (perhaps_add_new_callers): Likewise.
        (decide_about_value): Likewise.
        (decide_whether_version_node): Likewise.
        (identify_dead_nodes): Likewise.
        (ipcp_store_bits_results): Likewise.
        * ipa-devirt.c (dump_targets): Likewise.
        (ipa_devirt): Likewise.
        * ipa-icf.c (sem_item::dump): Likewise.
        (sem_function::equals): Likewise.
        (sem_variable::equals): Likewise.
        (sem_item_optimizer::read_section): Likewise.
        (sem_item_optimizer::execute): Likewise.
        (congruence_class::dump): Likewise.
        * ipa-inline-analysis.c (dump_ipa_call_summary): Likewise.
        (dump_inline_summary): Likewise.
        (estimate_node_size_and_time): Likewise.
        (inline_analyze_function): Likewise.
        * ipa-inline-transform.c (inline_call): Likewise.
        * ipa-inline.c (report_inline_failed_reason): Likewise.
        (want_early_inline_function_p): Likewise.
        (edge_badness): Likewise.
        (update_edge_key): Likewise.
        (inline_small_functions): Likewise.
        * ipa-profile.c (ipa_profile): Likewise.
        * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
        (ipa_make_edge_direct_to_target): Likewise.
        (remove_described_reference): Likewise.
        (ipa_impossible_devirt_target): Likewise.
        (propagate_controlled_uses): Likewise.
        (ipa_print_node_params): Likewise.
        (ipcp_transform_function): Likewise.
        * ipa-pure-const.c (pure_const_read_summary): Likewise.
        (propagate_pure_const): Likewise.
        * ipa-reference.c (generate_summary): Likewise.
        (read_write_all_from_decl): Likewise.
        (propagate): Likewise.
        (ipa_reference_read_optimization_summary): Likewise.
        * ipa-utils.c (ipa_merge_profiles): Likewise.
        * ipa.c (walk_polymorphic_call_targets): Likewise.
        (symbol_table::remove_unreachable_nodes): Likewise.
        (ipa_single_use): Likewise.
        * passes.c (execute_todo): Likewise.
        * predict.c (drop_profile): Likewise.
        * symtab.c (symtab_node::get_dump_name): New function.
        (symtab_node::dump_name): Likewise.
        (symtab_node::dump_asm_name): Likewise.
        (symtab_node::dump_references): Likewise.
        (symtab_node::dump_referring): Likewise.
        (symtab_node::dump_base): Likewise.
        (symtab_node::debug_symtab): Likewise.
        * tree-sra.c (convert_callers_for_node): Likewise.
        * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
        * value-prof.c (init_node_map): Likewise.

2017-05-23  Martin Liska  <mliska@suse.cz>

        * cgraph.h: Move symtab_node::dump_table to symbol_table::dump
        and symtab_node::debug_symtab to symbol_table::debug.
        * cgraphunit.c (analyze_functions): Use the renamed function.
        (symbol_table::compile): Likewise.
        * ipa-cp.c (ipcp_verify_propagated_values): Likewise.
        * ipa-icf.c (sem_item_optimizer::execute): Likewise.
        * passes.c (execute_todo): Likewise.
        * symtab.c (symbol_table::dump): New function.
        * tree-ssa-structalias.c (ipa_pta_execute): Use the renamed function.

2017-05-23  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-fnsummary.c (estimate_node_size_and_time): Do not sanity check
        that nonconst implies exec.

2017-05-23  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
        inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
        (inline_edge_summary_vec): Turn into ...
        (ipa_call_summaries): ... this one.
        (redirect_to_unreachable, edge_set_predicate,
        evaluate_properties_for_edge, inline_summary_alloc,
        reset_ipa_call_summary, reset_inline_summary,
        inline_summary_t::duplicate): Update.
        (inline_edge_duplication_hook): Turn to ...
        (ipa_call_summary_t::duplicate): ... this one.
        (inline_edge_removal_hook): Turn to ...
        (ipa_call_summary_t::remove): ... this one.
        (dump_inline_edge_summary): Turn to ...
        (dump_ipa_call_summary): ... this one.
        (estimate_function_body_sizes): Update.
        (inline_update_callee_summaries): Update.
        (remap_edge_change_prob): Update.
        (remap_edge_summaries): Update.
        (inline_merge_summary): Update.
        (do_estimate_edge_time): Update.
        (inline_generate_summary): Update.
        (inline_read_section): Update.
        (inline_read_summary): Update.
        (inline_free_summary): Update.
        * ipa-inline.c (can_inline_edge_p): Update.
        (compute_inlined_call_time): Update.
        (want_inline_small_function_p): Update.
        (edge_badness): Update.
        (early_inliner): Update.
        * ipa-inline.h (inline_edge_summary): Turn to ...
        (ipa_call_summary): ... this one.
        (ipa_call_summary_t): New class.
        (inline_edge_summary_t, inline_edge_summary_vec): Remove.
        (ipa_call_summaries): New.
        (inline_edge_summary): Remove.
        (estimate_edge_growth): Update.
        * ipa-profile.c (ipa_propagate_frequency_1): Update.
        * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
        * ipa-split.c (execute_split_functions): Update.
        * ipa.c (symbol_table::remove_unreachable_nodes): Update.

2017-05-23  Tom de Vries  <tom@codesourcery.com>

        * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
        attributes): Document rdrand effective target.

2017-05-23  Tom de Vries  <tom@codesourcery.com>

        * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
        attributes): Sort alphabetically.

2017-05-23  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/genmultilib.awk: Use gsub instead of gensub.

2017-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/80718
        * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Split
        V2DF/V2DI splat into two separate patterns, one that handles
        registers, and the other that only handles memory.  Drop support
        for splatting from a GPR on ISA 2.07 and then splitting the
        splat into direct move and splat.
        (vsx_splat_<mode>_reg): Likewise.
        (vsx_splat_<mode>_mem): Likewise.

2017-05-22  Segher Boessenkool  <segher@kernel.crashing.org>

        * cfgcleanup.c (bb_is_just_return): Allow CLOBBERs.

2017-05-22  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/80809
        * omp-low.c (finish_taskreg_remap): New function.
        (finish_taskreg_scan): If unit size of ctx->record_type
        is non-constant, unshare the size expression and replace
        decls in it with possible outer var refs.

        PR middle-end/80809
        * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
        GOVD_SHARED rather than GOVD_PRIVATE with it.
        (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
        GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.

        PR middle-end/80853
        * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
        as last argument to build_outer_var_ref for pointer bases of array
        section reductions.

2017-05-19  Martin Sebor  <msebor@redhat.com>

        * print-tree.c (print_node): Print DECL_READ_P flag.

2017-05-22  Jan Hubicka  <hubicka@ucw.cz>

        * Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h
        * auto-profile.c: Replace ipa-inline.h by ipa-fnsummary.h
        * cgraph.c: Likewise.
        * cgraphunit.c: Likewise.
        * gengtype.c: Likewise.
        * ipa-cp.c: Likewise.
        * ipa-devirt.c: Likewise.
        * ipa-icf.c: Likewise.
        * ipa-predicate.c: Likewise.
        * ipa-profile.c: Likewise.
        * ipa-prop.c: Likewise.
        * ipa-split.c: Likewise.
        * ipa.c: Likewise.
        * ipa-inline-analysis.c (inline_summaries, ipa_call_summaries,
        edge_predicate_pool, dump_inline_hints,
        inline_summary::account_size_time, redirect_to_unreachable,
        edge_set_predicate, set_hint_predicate,
        evaluate_conditions_for_known_args, evaluate_properties_for_edge,
        inline_summary_alloc, ipa_call_summary::reset, inline_summary::reset,
        inline_summary_t::remove, remap_hint_predicate_after_duplication,
        inline_summary_t::duplicate, ipa_call_summary_t::duplicate,
        ipa_call_summary_t::remove, initialize_growth_caches,
        free_growth_caches, dump_ipa_call_summary, dump_inline_summary,
        debug_inline_summary, dump_inline_summaries, initialize_inline_failed,
        mark_modified, unmodified_parm_1, unmodified_parm,
        unmodified_parm_or_parm_agg_item, eliminated_by_inlining_prob,
        set_cond_stmt_execution_predicate, set_switch_stmt_execution_predicate,
        compute_bb_predicates, will_be_nonconstant_expr_predicate,
        will_be_nonconstant_predicate, record_modified_bb_info,
        get_minimal_bb, record_modified, param_change_prob,
        phi_result_unknown_predicate, predicate_for_phi_result,
        array_index_predicate, clobber_only_eh_bb_p, fp_expression_p,
        estimate_function_body_sizes, compute_inline_parameters,
        compute_inline_parameters_for_curren, pass_data_inline_parameters,
        estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,
        inline_update_callee_summaries, remap_edge_change_prob,
        remap_edge_summaries, remap_hint_predicate, inline_merge_summary,
        inline_update_overall_summary, inline_indirect_intraprocedural_analysis,
        inline_analyze_function, inline_summary_t::insert,
        inline_generate_summary, read_ipa_call_summary, inline_read_section,
        inline_read_summary, write_ipa_call_summary, inline_write_summary,
        inline_free_summary): Move to ipa-fnsummary.h
        (predicate_t): Remove.
        * ipa-fnsummary.c: New file.
        * ipa-inline.h:  Do not include sreal.h and ipa-predicate.h
        (enum inline_hints_vals, inline_hints, agg_position_info,
        INLINE_SIZE_SCALE, size_time_entry, inline_summary, inline_summary_t,
        inline_summaries, ipa_call_summary, ipa_call_summary_t,
        ipa_call_summaries, debug_inline_summary, dump_inline_summaries,
        dump_inline_summary, dump_inline_hints, inline_generate_summary,
        inline_read_summary, inline_write_summary, inline_free_summary,
        inline_analyze_function, initialize_inline_failed,
        inline_merge_summary, inline_update_overall_summary,
        compute_inline_parameters): Move to ipa-fnsummary.h
        * ipa-fnsummary.h: New file.
        * ipa-inline-transform.h: Include ipa-inline.h.
        * ipa-inline.c: LIkewise.

2017-05-22  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline.c (edge_badness): Use inlined_time instead of
        inline_summaries->get.

2017-05-22  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline.c (edge_badness): Use estimate_size_after_inlining.

2017-05-22  Nathan Sidwell  <nathan@acm.org>

        * doc/invoke.texi (fdump-translation-unit): Delete documentation.
        (fdump-lang): Document 'raw' option.
        * dumpfile.h (TDI_tu): Delete.
        * dumpfile.c (dump_files): Remove translation-unit.
        (FIRST_AUTO_NUMBERED_DUMP): Decrement.

2017-05-22  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/t-avr (AWK) [t-multilib]: Remove "-v FORMAT=Makefile"
        command option from $(AWK) call.
        * config/avr/genmultilib.awk: Simplify and rewrite so that it
        generates MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS.
        [FORMAT]: Remove handling of variable.
        * config/avr/t-multilib: Regenerate.

2017-05-22  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline-analysis.c (inline_summary::reset): Do not reset
        self_time.
        (dump_inline_summary): Do not print self_time.
        (estimate_function_body_sizes): Do not set self_time.
        (compute_inline_parameters): Likewise.
        (inline_read_section, inline_write_summary): Do not stream self_time.
        * ipa-inline.h (inline_summary): Drop self_time.

2017-05-22  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline-analysis.c (account_size_time): Rename to ...
        (inline_summary::account_size_time): ... this one.
        (reset_ipa_call_summary): Turn to ...
        (ipa_call_summary::reset): ... this one.
        (reset_inline_summary): Turn to ...
        (inline_summary::reset): ... this one.
        (inline_summary_t::remove): Update.
        (inline_summary_t::duplicate): Update.
        (ipa_call_summary_t::remove): Update.
        (dump_inline_summary): Update.
        (estimate_function_body_sizes): Update.
        (compute_inline_parameters): Update.
        (estimate_node_size_and_time): Update.
        (inline_merge_summary): Update.
        (inline_update_overall_summary): Update.
        (inline_read_section): Update.
        (inline_write_summary): Update.
        * ipa-inline.h (inline_summary): Rename entry to size_time_table;
        add account_size_time and reset member functions.
        (ipa_call_summary): Add reset function.
        * ipa-predicate.h (predicate::operator &): Constify.

2017-05-22  Richard Biener  <rguenther@suse.de>

        * df-scan.c (df_insn_refs_verify): Speedup when not verifying.

2017-05-19  Jason Merrill  <jason@redhat.com>

        * tree.c (make_tree_vec_stat, grow_tree_vec_stat): Use size_t.

2017-05-19  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/80800
        * fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
        TYPE_OVERFLOW_WRAPS checks.

2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>

        * tree-core.h (enum omp_clause_default_kind): Add
        "OMP_CLAUSE_DEFAULT_PRESENT".
        * tree-pretty-print.c (dump_omp_clause): Handle it.
        * gimplify.c (enum gimplify_omp_var_data): Add
        "GOVD_MAP_FORCE_PRESENT".
        (gimplify_adjust_omp_clauses_1): Map it to
        "GOMP_MAP_FORCE_PRESENT".
        (oacc_default_clause): Handle "OMP_CLAUSE_DEFAULT_PRESENT".

        * gimplify.c (oacc_default_clause): Clarify.

2017-05-19  Nathan Sidwell  <nathan@acm.org>

        LANG_HOOK_REGISTER_DUMPS
        * toplev.c (general_init): Call register dump lang hook.
        * doc/invoke.texi: Document -fdump-lang option family.
        * dumpfile.c (dump_files): Remove class dump here.
        (FIRST_AUTO_NUMBERED_DUMP): Adjust.
        * dumpfile.h (tree_dump_index): Remove TDI_class.
        * langhooks-def.h (lhd_register_dumps): Declare.
        (LANG_HOOKS_REGISTER_DUMPS): Define.
        (LANG_HOOKS_INITIALIZER): Add it.
        * langhooks.c (lhd_register_dumps): Define.
        * langhooks.h (struct lang_hooks): Add register_dumps.

2017-05-19  Nathan Sidwell  <nathan@acm.org>

        * context.h (context::set_passes): New.
        * context.c (context::context): Do not create pass manager.
        * toplev.c (general_init): Create pass manager here.

2017-05-19  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (splitter to load of -1 and mask): Don't
        use this splitter if two add or or instructions would also work for
        the constant we want to generate.

2017-05-19  Richard Biener  <rguenther@suse.de>

        PR build/80821
        * genmatch.c (dt_node::gen_kids_1): Add missing scope around
        predicate evaluation.

2017-05-19  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline.h (ipa_call_summary): Turn sizes into signed;
        add ctor.
        * ipa-inline.c (want_inline_small_function_p): Do not cast to
        unsigned.

2017-05-19  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
        inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
        (inline_edge_summary_vec): Turn into ...
        (ipa_call_summaries): ... this one.
        (redirect_to_unreachable, edge_set_predicate,
        evaluate_properties_for_edge, inline_summary_alloc,
        reset_ipa_call_summary, reset_inline_summary,
        inline_summary_t::duplicate): Update.
        (inline_edge_duplication_hook): Turn to ...
        (ipa_call_summary_t::duplicate): ... this one.
        (inline_edge_removal_hook): Turn to ...
        (ipa_call_summary_t::remove): ... this one.
        (dump_inline_edge_summary): Turn to ...
        (dump_ipa_call_summary): ... this one.
        (estimate_function_body_sizes): Update.
        (inline_update_callee_summaries): Update.
        (remap_edge_change_prob): Update.
        (remap_edge_summaries): Update.
        (inline_merge_summary): Update.
        (do_estimate_edge_time): Update.
        (inline_generate_summary): Update.
        (inline_read_section): Update.
        (inline_read_summary): Update.
        (inline_free_summary): Update.
        * ipa-inline.c (can_inline_edge_p): Update.
        (compute_inlined_call_time): Update.
        (want_inline_small_function_p): Update.
        (edge_badness): Update.
        (early_inliner): Update.
        * ipa-inline.h (inline_edge_summary): Turn to ...
        (ipa_call_summary): ... this one.
        (ipa_call_summary_t): New class.
        (inline_edge_summary_t, inline_edge_summary_vec): Remove.
        (ipa_call_summaries): New.
        (inline_edge_summary): Remove.
        (estimate_edge_growth): Update.
        * ipa-profile.c (ipa_propagate_frequency_1): Update.
        * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
        * ipa-split.c (execute_split_functions): Update.
        * ipa.c (symbol_table::remove_unreachable_nodes): Update.

2017-05-19  Richard Biener  <rguenther@suse.de>

        PR middle-end/80764
        * cfgexpand.c (expand_gimple_cond): Fix loop fixup.

2017-05-18  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (struct machine_function): Add field
        fpr_is_wrapped_separately.
        (rs6000_get_separate_components): Use 64 components.  Handle the
        new FPR components.
        (rs6000_components_for_bb): Handle the FPR components.
        (rs6000_emit_prologue_components): Handle the FPR components.
        (rs6000_emit_epilogue_components): Handle the FPR components.
        (rs6000_set_handled_components): Handle the FPR components.
        (rs6000_emit_prologue): Don't output prologue code for those FPRs
        that are already separately shrink-wrapped.
        (rs6000_emit_epilogue): Don't output epilogue code for those FPRs
        that are already separately shrink-wrapped.

2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/80510
        * config/rs6000/predicates.md (simple_offsettable_mem_operand):
        New predicate.

        * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
        (define_peephole2 for Altivec d-form load): Add peepholes to catch
        cases where the register allocator uses a move and an offsettable
        memory operation to/from a FPR register on ISA 2.06/2.07.
        (define_peephole2 for Altivec d-form store): Likewise.

2017-05-18  Uros Bizjak  <ubizjak@gmail.com>

        PR target/80799
        * config/i386/mmx.md (*mov<mode>_internal): Enable
        alternatives 11, 12, 13 and 14 also for 32bit targets.
        Remove alternatives 15, 16, 17 and 18.
        * config/i386/sse.md (vec_concatv2di): Change
        alternative (!x, *y) to (x, ?!*Yn).

2017-05-18  Paolo Carlini  <paolo.carlini@oracle.com>

        * dumpfile.h (enum dump_kind): Remove stray comma.

2017-05-18  Jan Hubicka  <hubicka@ucw.cz>

        * Makefile.in: Add ipa-predicate.o and ipa-predicate.h
        * ipa-inline-analysis.c (NUM_CONDITIONS): turn into
        predicate::num_conditions
        (IS_NOT_CONSTANT): turn into predicate::is_not_constant.
        (CHANGED): turn into predicate::changed.
        (agg_position_info): Move to ipa-predicate.h
        (add_condition, predicate::add_clause, predicate::operator &=,
        predicate::or_with, predicate::evaluate, predicate::probability,
        dump_condition, dump_clause, predicate::dump,
        predicate::remap_after_duplication, predicate::remap_after_inlining,
        predicate::stream_in, predicate::stream_out): Move to ipa-predicate.c
        (evaluate_conditions_for_known_args): Update.
        (set_cond_stmt_execution_predicate): Update.
        * ipa-inline.h: Include ipa-predicate.h
        (condition, inline_param_summary, conditions, agg_position_info,
        predicate): Move to ipa-predicate.h
        * ipa-predicate.c: New file.
        * ipa-predicate.h: New file.

2017-05-18  Wilco Dijkstra  <wdijkstr@arm.com>

        * final.c (leaf_function_p): Check we are not in a sequence.

2017-05-18  Martin Liska  <mliska@suse.cz>

        * cfgrtl.c (rtl_verify_edges): Remove usage of TDF_RTL.
        * dumpfile.c (dump_register): Use new enum dump_kind.
        (get_dump_file_name): Likewise.
        (dump_enable_all): Likewise.
        (dump_switch_p_1): Likewise.
        (enable_rtl_dump_file): Remove usage of TDF_RTL.
        * dumpfile.h (enum dump_kind): New enum type.
        (struct dump_file_info): Create constructor and
        format fields and comments.
        * passes.c (pass_manager::register_one_dump_file):
        Use num dump_kind.
        * statistics.c (statistics_early_init): Likewise.
        * tree-ssa-loop-prefetch.c (dump_mem_details): Replace
        TDF_TREE with TDF_SLIM.
        (gather_memory_references_ref): Likewise.

2017-05-18  Martin Liska  <mliska@suse.cz>

        * vec.h (struct vnull): Use it.

2017-05-18  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h
        (true_predicate, false_predicate, true_predicate_p,
        false_predicate_p): Remove.
        (single_cond_predicate, not_inlined_predicate): Turn to member function
        in ipa-inline.h
        (add_condition): Update.
        (add_clause): Turn to...
        (predicate::add_clause): ... this one; update; allow passing NULL
        as parameter.
        (and_predicates): Turn to ...
        (predicate::operator &=): ... this one.
        (predicates_equal_p): Move to predicate::operator == in ipa-inline.h
        (or_predicates): Turn to ...
        (predicate::or_with): ... this one.
        (evaluate_predicate): Turn to ...
        (predicate::evaluate): ... this one.
        (predicate_probability): Turn to ...
        (predicate::probability): ... this one.
        (dump_condition): Update.
        (dump_predicate): Turn to ...
        (predicate::dump): ... this one.
        (account_size_time): Update.
        (edge_set_predicate): Update.
        (set_hint_predicate): UPdate.
        (evaluate_conditions_for_known_args): Update.
        (evaluate_properties_for_edge): Update.
        (remap_predicate_after_duplication): Turn to...
        (predicate::remap_after_duplication): ... this one.
        (remap_hint_predicate_after_duplication): Update.
        (inline_summary_t::duplicate): UPdate.
        (dump_inline_edge_summary): Update.
        (dump_inline_summary): Update.
        (set_cond_stmt_execution_predicate): Update.
        (set_switch_stmt_execution_predicate): Update.
        (compute_bb_predicates): Update.
        (will_be_nonconstant_expr_predicate): Update.
        (will_be_nonconstant_predicate): Update.
        (phi_result_unknown_predicate): Update.
        (predicate_for_phi_result): Update.
        (array_index_predicate): Update.
        (estimate_function_body_sizes): Update.
        (estimate_node_size_and_time): Update.
        (estimate_ipcp_clone_size_and_time): Update.
        (remap_predicate): Rename to ...
        (predicate::remap_after_inlining): ... this one.
        (remap_hint_predicate): Update.
        (inline_merge_summary): Update.
        (inline_update_overall_summary): Update.
        (estimate_size_after_inlining): Update.
        (read_predicate): Rename to ...
        (predicate::stream_in): ... this one.
        (read_inline_edge_summary): Update.
        (write_predicate): Rename to ...
        (predicate::stream_out): ... this one.
        (write_inline_edge_summary): Update.
        * ipa-inline.h (MAX_CLAUSES): Turn to predicate::max_clauses.
        (clause_t): Turn to uint32_t
        (predicate): Turn to class; implement constructor and operators
        ==, !=, &
        (size_time_entry): Update.
        (inline_summary): Update.
        (inline_edge_summary): Update.

2017-05-18  Marc Glisse  <marc.glisse@inria.fr>

        * fold-const.c (fold_binary_loc): Move transformation...
        * match.pd (C - X CMP X): ... here.

2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>

        * config/sparc/sparc.c (sparc_option_override): Set function
        alignment for -mcpu=niagara7 to 64 to match the I$ line.
        * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
        latency to 1.
        * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
        latency to 2.
        * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.

2017-05-18  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/80797
        * ubsan.c (instrument_null): Unwrap ADDR_EXPRs.
        (pass_ubsan::execute): Call gimple_assign_single_p instead of
        gimple_assign_load_p.

2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>

        PR middle-end/80692
        * real.c (do_compare): Give decimal_do_compare preference over
        comparing just the signs.

2017-05-17  Uros Bizjak  <ubizjak@gmail.com>

        * doc/md.texi (Canonicalization of Instructions): Describe the
        canonical form of instructions that inherently set a condition
        code register.

2017-05-17  Peter Bergner  <bergner@vnet.ibm.com>

        PR middle-end/80775
        * tree-cfg.c: Move deletion of unreachable case statements to after
        the merging of consecutive case labels.

2017-05-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/arm.c (cmse_nonsecure_call_clear_caller_saved): Refer
        readers to __gnu_cmse_nonsecure_call libcall for saving, clearing and
        restoring of callee-saved registers.

2017-05-17  Eric Botcazou  <ebotcazou@adacore.com>

        * compare-elim.c (equivalent_reg_at_start): Adjust outdated comment.
        * config/visium/visium.c (single_set_and_flags): Likewise.
        * config/visium/visium.md (Substitutions): Likewise.

2017-05-17  Martin Liska  <mliska@suse.cz>

        * cfg.c: Introduce dump_flags_t type and
        use it instead of int type.
        * cfg.h: Likewise.
        * cfghooks.c: Likewise.
        * cfghooks.h (struct cfg_hooks): Likewise.
        * cfgrtl.c: Likewise.
        * cfgrtl.h: Likewise.
        * cgraph.c (cgraph_node::get_body): Likewise.
        * coretypes.h: Likewise.
        * domwalk.c: Likewise.
        * domwalk.h: Likewise.
        * dumpfile.c (struct dump_option_value_info): Likewise.
        (dump_enable_all): Likewise.
        (dump_switch_p_1): Likewise.
        (opt_info_switch_p): Likewise.
        * dumpfile.h (enum tree_dump_index): Likewise.
        (struct dump_file_info): Likewise.
        * genemit.c: Likewise.
        * generic-match-head.c: Likewise.
        * gengtype.c (open_base_files): Likewise.
        * gimple-pretty-print.c: Likewise.
        * gimple-pretty-print.h: Likewise.
        * graph.c (print_graph_cfg): Likewise.
        * graphite-scop-detection.c (dot_all_sese): Likewise.
        * ipa-devirt.c (build_type_inheritance_graph): Likewise.
        * loop-unroll.c (report_unroll): Likewise.
        * passes.c (pass_manager::register_one_dump_file): Likewise.
        * print-tree.c: Likewise.
        * statistics.c: Likewise.
        * tree-cfg.c: Likewise.
        * tree-cfg.h: Likewise.
        * tree-dfa.c: Likewise.
        * tree-dfa.h: Likewise.
        * tree-dump.c (dump_function): Likewise.
        * tree-dump.h (struct dump_info): Likewise.
        * tree-pretty-print.c: Likewise.
        * tree-pretty-print.h: Likewise.
        * tree-ssa-live.c: Likewise.
        * tree-ssa-live.h: Likewise.
        * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
        * tree-vect-loop.c: Likewise.
        * tree-vect-slp.c: Likewise.

2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
            Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/80457
        * tree-vect-stmts.c (vect_model_simple_cost): Model the cost
        of all arguments to a statement as scalar_to_vec operations.
        (vectorizable_call): Adjust call to vect_model_simple_cost for
        new parameter.
        (vectorizable_conversion): Likewise.
        (vectorizable_assignment): Likewise.
        (vectorizable_shift): Likewise.
        (vectorizable_operation): Likewise.
        (vectorizable_comparison): Likewise.
        (vect_is_simple_cond): Record the def types for operands.
        (vectorizable_condition): Likewise, call vect_model_simple_cost.
        * tree-vectorizer.h (vect_model_simple_cost): Add new parameter
        for statement argument count.

2017-05-16  Carl Love  <cel@us.ibm.com>

        * config/rs6000/rs6000-c: Add support for built-in functions
        vector unsigned long long vec_bperm (vector unsigned long long,
                                             vector unsigned char)
        vector signed long long vec_mule (vector signed int,
                                          vector signed int)
        vector unsigned long long vec_mule (vector unsigned int,
                                            vector unsigned int)
        vector signed long long vec_mulo (vector signed int,
                                          vector signed int)
        vector unsigned long long vec_mulo (vector unsigned int,
                                            vector unsigned int)
        vector signed char vec_sldw (vector signed char,
                                     vector signed char,
                                     const int)
        vector unsigned char vec_sldw (vector unsigned char,
                                       vector unsigned char,
                                       const int)
        vector signed short vec_sldw (vector signed short,
                                      vector signed short,
                                      const int)
        vector unsigned short vec_sldw (vector unsigned short,
                                        vector unsigned short,
                                        const int)
        vector signed int vec_sldw (vector signed int,
                                    vector signed int,
                                    const int)
        vector unsigned int vec_sldw (vector unsigned int,
                                      vector unsigned int,
                                      const int)
        vector signed long long vec_sldw (vector signed long long,
                                          vector signed long long,
                                          const int)
        vector unsigned long long vec_sldw (vector unsigned long long,
                                            vector unsigned long long,
                                            const int)
        * config/rs6000/rs6000-c: Add support for built-in functions
        * config/rs6000/rs6000-builtin.def: Add definition for SLDW.
        * config/rs6000/altivec.h: Add defintion for vec_sldw.
        * doc/extend.texi: Update the built-in documentation for the
        new built-in functions.

2017-05-16  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/80536
        PR sanitizer/80386
        * tree.c (save_expr): Don't fold the expression.

2017-05-16  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
        to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
        and (?*y,m).  Update insn attributes.

2017-05-16  Martin Liska  <mliska@suse.cz>

        * cgraph.c (cgraph_edge::resolve_speculation): Add default value for
        flags argument of print_gimple_stmt, print_gimple_expr,
        print_generic_stmt and print_generic_expr.
        * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
        * coretypes.h: Likewise.
        * except.c (dump_eh_tree): Likewise.
        * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
        * gimple-pretty-print.h: Likewise.
        * gimple-ssa-backprop.c (dump_usage_prefix): Likewise.
        (backprop::push_to_worklist): Likewise.
        (backprop::pop_from_worklist): Likewise.
        (backprop::process_use): Likewise.
        (backprop::intersect_uses): Likewise.
        (note_replacement): Likewise.
        * gimple-ssa-store-merging.c
        (pass_store_merging::terminate_all_aliasing_chains): Likewise.
        (imm_store_chain_info::coalesce_immediate_stores): Likewise.
        (pass_store_merging::execute): Likewise.
        * gimple-ssa-strength-reduction.c (dump_candidate): Likewise.
        (ssa_base_cand_dump_callback): Likewise.
        (dump_incr_vec): Likewise.
        (replace_refs): Likewise.
        (replace_mult_candidate): Likewise.
        (create_add_on_incoming_edge): Likewise.
        (create_phi_basis): Likewise.
        (insert_initializers): Likewise.
        (all_phi_incrs_profitable): Likewise.
        (introduce_cast_before_cand): Likewise.
        (replace_one_candidate): Likewise.
        * gimplify.c (gimplify_expr): Likewise.
        * graphite-isl-ast-to-gimple.c (is_valid_rename): Likewise.
        (set_rename): Likewise.
        (rename_uses): Likewise.
        (copy_loop_phi_nodes): Likewise.
        (add_close_phis_to_merge_points): Likewise.
        (copy_loop_close_phi_args): Likewise.
        (copy_cond_phi_args): Likewise.
        (graphite_copy_stmts_from_block): Likewise.
        (translate_pending_phi_nodes): Likewise.
        * graphite-poly.c (print_pdr): Likewise.
        (dump_gbb_cases): Likewise.
        (dump_gbb_conditions): Likewise.
        (print_scop_params): Likewise.
        * graphite-scop-detection.c (build_cross_bb_scalars_def): Likewise.
        (build_cross_bb_scalars_use): Likewise.
        (gather_bbs::before_dom_children): Likewise.
        * hsa-dump.c (dump_hsa_immed): Likewise.
        * ipa-cp.c (print_ipcp_constant_value): Likewise.
        (get_replacement_map): Likewise.
        * ipa-inline-analysis.c (dump_condition): Likewise.
        (estimate_function_body_sizes): Likewise.
        * ipa-polymorphic-call.c (check_stmt_for_type_change): Likewise.
        (ipa_polymorphic_call_context::get_dynamic_type): Likewise.
        * ipa-prop.c (ipa_dump_param): Likewise.
        (ipa_print_node_jump_functions_for_edge): Likewise.
        (ipa_modify_call_arguments): Likewise.
        (ipa_modify_expr): Likewise.
        (ipa_dump_param_adjustments): Likewise.
        (ipa_dump_agg_replacement_values): Likewise.
        (ipcp_modif_dom_walker::before_dom_children): Likewise.
        * ipa-pure-const.c (check_stmt): Likewise.
        (pass_nothrow::execute): Likewise.
        * ipa-split.c (execute_split_functions): Likewise.
        * omp-offload.c (dump_oacc_loop_part): Likewise.
        (dump_oacc_loop): Likewise.
        * trans-mem.c (tm_log_emit): Likewise.
        (tm_memopt_accumulate_memops): Likewise.
        (dump_tm_memopt_set): Likewise.
        (dump_tm_memopt_transform): Likewise.
        * tree-cfg.c (gimple_verify_flow_info): Likewise.
        (print_loop): Likewise.
        * tree-chkp-opt.c (chkp_print_addr): Likewise.
        (chkp_gather_checks_info): Likewise.
        (chkp_get_check_result): Likewise.
        (chkp_remove_check_if_pass): Likewise.
        (chkp_use_outer_bounds_if_possible): Likewise.
        (chkp_reduce_bounds_lifetime): Likewise.
        * tree-chkp.c (chkp_register_addr_bounds): Likewise.
        (chkp_mark_completed_bounds): Likewise.
        (chkp_register_incomplete_bounds): Likewise.
        (chkp_mark_invalid_bounds): Likewise.
        (chkp_maybe_copy_and_register_bounds): Likewise.
        (chkp_build_returned_bound): Likewise.
        (chkp_get_bound_for_parm): Likewise.
        (chkp_build_bndldx): Likewise.
        (chkp_get_bounds_by_definition): Likewise.
        (chkp_generate_extern_var_bounds): Likewise.
        (chkp_get_bounds_for_decl_addr): Likewise.
        * tree-chrec.c (chrec_apply): Likewise.
        * tree-data-ref.c (dump_data_reference): Likewise.
        (dump_subscript): Likewise.
        (dump_data_dependence_relation): Likewise.
        (analyze_overlapping_iterations): Likewise.
        * tree-inline.c (expand_call_inline): Likewise.
        (tree_function_versioning): Likewise.
        * tree-into-ssa.c (dump_defs_stack): Likewise.
        (dump_currdefs): Likewise.
        (dump_names_replaced_by): Likewise.
        (dump_update_ssa): Likewise.
        (update_ssa): Likewise.
        * tree-object-size.c (pass_object_sizes::execute): Likewise.
        * tree-parloops.c (build_new_reduction): Likewise.
        (try_create_reduction_list): Likewise.
        (ref_conflicts_with_region): Likewise.
        (oacc_entry_exit_ok_1): Likewise.
        (oacc_entry_exit_single_gang): Likewise.
        * tree-pretty-print.h: Likewise.
        * tree-scalar-evolution.c (set_scalar_evolution): Likewise.
        (get_scalar_evolution): Likewise.
        (add_to_evolution): Likewise.
        (get_loop_exit_condition): Likewise.
        (analyze_evolution_in_loop): Likewise.
        (analyze_initial_condition): Likewise.
        (analyze_scalar_evolution): Likewise.
        (instantiate_scev): Likewise.
        (number_of_latch_executions): Likewise.
        (gather_chrec_stats): Likewise.
        (final_value_replacement_loop): Likewise.
        (scev_const_prop): Likewise.
        * tree-sra.c (dump_access): Likewise.
        (disqualify_candidate): Likewise.
        (create_access): Likewise.
        (reject): Likewise.
        (maybe_add_sra_candidate): Likewise.
        (create_access_replacement): Likewise.
        (analyze_access_subtree): Likewise.
        (analyze_all_variable_accesses): Likewise.
        (sra_modify_assign): Likewise.
        (initialize_constant_pool_replacements): Likewise.
        (find_param_candidates): Likewise.
        (decide_one_param_reduction): Likewise.
        (replace_removed_params_ssa_names): Likewise.
        * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
        * tree-ssa-copy.c (dump_copy_of): Likewise.
        (copy_prop_visit_cond_stmt): Likewise.
        * tree-ssa-dce.c (mark_operand_necessary): Likewise.
        * tree-ssa-dom.c (pass_dominator::execute): Likewise.
        (record_equivalences_from_stmt): Likewise.
        * tree-ssa-dse.c (compute_trims): Likewise.
        (delete_dead_call): Likewise.
        (delete_dead_assignment): Likewise.
        * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Likewise.
        (forward_propagate_into_cond): Likewise.
        (pass_forwprop::execute): Likewise.
        * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
        * tree-ssa-loop-im.c (invariantness_dom_walker::before_dom_children):
        Likewise.
        (move_computations_worker): Likewise.
        (execute_sm): Likewise.
        * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
        (remove_exits_and_undefined_stmts): Likewise.
        (remove_redundant_iv_tests): Likewise.
        * tree-ssa-loop-ivopts.c (dump_use): Likewise.
        (adjust_iv_update_pos): Likewise.
        * tree-ssa-math-opts.c (bswap_replace): Likewise.
        * tree-ssa-phiopt.c (factor_out_conditional_conversion): Likewise.
        (value_replacement): Likewise.
        * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
        * tree-ssa-pre.c (print_pre_expr): Likewise.
        (get_representative_for): Likewise.
        (create_expression_by_pieces): Likewise.
        (insert_into_preds_of_block): Likewise.
        (eliminate_insert): Likewise.
        (eliminate_dom_walker::before_dom_children): Likewise.
        (eliminate): Likewise.
        (remove_dead_inserted_code): Likewise.
        * tree-ssa-propagate.c (substitute_and_fold): Likewise.
        * tree-ssa-reassoc.c (get_rank): Likewise.
        (eliminate_duplicate_pair): Likewise.
        (eliminate_plus_minus_pair): Likewise.
        (eliminate_not_pairs): Likewise.
        (undistribute_ops_list): Likewise.
        (eliminate_redundant_comparison): Likewise.
        (update_range_test): Likewise.
        (optimize_range_tests_var_bound): Likewise.
        (optimize_vec_cond_expr): Likewise.
        (rewrite_expr_tree): Likewise.
        (rewrite_expr_tree_parallel): Likewise.
        (linearize_expr): Likewise.
        (break_up_subtract): Likewise.
        (linearize_expr_tree): Likewise.
        (attempt_builtin_powi): Likewise.
        (attempt_builtin_copysign): Likewise.
        (transform_stmt_to_copy): Likewise.
        (transform_stmt_to_multiply): Likewise.
        (dump_ops_vector): Likewise.
        * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Likewise.
        (print_scc): Likewise.
        (set_ssa_val_to): Likewise.
        (visit_reference_op_store): Likewise.
        (visit_use): Likewise.
        (sccvn_dom_walker::before_dom_children): Likewise.
        (run_scc_vn): Likewise.
        * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
        Likewise.
        (expr_hash_elt::print): Likewise.
        (const_and_copies::pop_to_marker): Likewise.
        (const_and_copies::record_const_or_copy_raw): Likewise.
        * tree-ssa-structalias.c (compute_dependence_clique): Likewise.
        * tree-ssa-uninit.c (collect_phi_def_edges): Likewise.
        (dump_predicates): Likewise.
        (find_uninit_use): Likewise.
        (warn_uninitialized_phi): Likewise.
        (pass_late_warn_uninitialized::execute): Likewise.
        * tree-ssa.c (verify_vssa): Likewise.
        (verify_ssa): Likewise.
        (maybe_optimize_var): Likewise.
        * tree-vrp.c (dump_value_range): Likewise.
        (dump_all_value_ranges): Likewise.
        (dump_asserts_for): Likewise.
        (register_edge_assert_for_2): Likewise.
        (vrp_visit_cond_stmt): Likewise.
        (vrp_visit_switch_stmt): Likewise.
        (vrp_visit_stmt): Likewise.
        (vrp_visit_phi_node): Likewise.
        (simplify_cond_using_ranges_1): Likewise.
        (fold_predicate_in): Likewise.
        (evrp_dom_walker::before_dom_children): Likewise.
        (evrp_dom_walker::push_value_range): Likewise.
        (evrp_dom_walker::pop_value_range): Likewise.
        (execute_early_vrp): Likewise.

2017-05-16  Richard Biener  <rguenther@suse.de>

        * dwarf2out.c (loc_list_from_tree_1): Do not create
        DW_OP_GNU_variable_value for DECL_IGNORED_P decls.

2017-05-16  Richard Biener  <rguenther@suse.de>

        * dwarf2out.c (resolve_variable_value_in_expr): Lookup DIE
        just generated.
        (note_variable_value_in_expr): If we resolved the decl ref
        do not push to the stack.

2017-05-16  Matthew Wahab  <matthew.wahab@arm.com>

        * config/arm/arm_neon.h (vadd_f16): Use standard arithmetic
        operations in fast-math mode.
        (vaddq_f16): Likewise.
        (vmul_f16): Likewise.
        (vmulq_f16): Likewise.
        (vsub_f16): Likewise.
        (vsubq_f16): Likewise.
        * config/arm/neon.md (add<mode>3): New.
        (sub<mode>3): New.
        (fma:<VH:mode>3): New.  Also remove outdated comment.
        (mul<mode>3): New.

2017-05-16  Martin Liska  <mliska@suse.cz>

        PR ipa/79849.
        PR ipa/79850.
        * ipa-devirt.c (warn_types_mismatch): Fix typo.
        (odr_types_equivalent_p): Likewise.

2017-05-15  Sylvestre Ledru  <sylvestre@debian.org>

        * plugin.c (try_init_one_plugin): Fix ressource leaks (CID 726637).

2017-05-15  Uros Bizjak  <ubizjak@gmail.com>

        PR target/80425
        * config/i386.i386.md (*zero_extendsidi2): Do not penalize
        non-interunit SSE move alternatives with '?'.
        (zero-extendsidi peephole2): New peephole to skip intermediate
        general register in SSE zero-extend sequence.

2017-05-15  Jeff Law  <law@redhat.com>

        * reorg.c (relax_delay_slots): Create a new variable to hold
        the temporary target rather than clobbering TARGET_LABEL.

        * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Add
        missing argument to extract_bit_field call.
        * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.

2017-05-15  Martin Liska  <mliska@suse.cz>

        PR driver/31468
        * gcc.c (process_command): Do not allow empty argument of -o option.

2017-05-15  Renlin Li  <renlin.li@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_expand_call): Declare.
        * config/aarch64/aarch64.c (aarch64_expand_call): Define.
        * config/aarch64/constraints.md (Usf): Add long call check.
        * config/aarch64/aarch64.md (call): Use aarch64_expand_call.
        (call_value): Likewise.
        (sibcall): Likewise.
        (sibcall_value): Likewise.
        (call_insn): New.
        (call_value_insn): New.
        (sibcall_insn): Update rtx pattern.
        (sibcall_value_insn): Likewise.
        (call_internal): Remove.
        (call_value_internal): Likewise.
        (sibcall_internal): Likewise.
        (sibcall_value_internal): Likewise.
        (call_reg): Likewise.
        (call_symbol): Likewise.
        (call_value_reg): Likewise.
        (call_value_symbol): Likewise.

2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>

        PR target/80600
        * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.

2017-05-14  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386.i386.c (ix86_cc_modes_compatible): CCNOmode is
        compatible with CCGOCmode and with CCZmode.

2017-05-14  Martin Sebor  <msebor@redhat.com>

        PR middle-end/77671
        * gimple-fold.c (gimple_fold_builtin_sprintf): Make extern.
        (gimple_fold_builtin_snprintf): Same.
        * gimple-fold.h (gimple_fold_builtin_sprintf): Declare.
        (gimple_fold_builtin_snprintf): Same.
        * gimple-ssa-sprintf.c (get_format_string): Correct the detection
        of character types.
        (is_call_safe): New function.
        (try_substitute_return_value): Call it.
        (try_simplify_call): New function.
        (pass_sprintf_length::handle_gimple_call): Call it.

2017-05-14  Martin Sebor  <msebor@redhat.com>

        PR middle-end/80669
        * builtins.c (expand_builtin_stpncpy): Simplify.

2017-05-14  Daniel Santos  <daniel.santos@pobox.com>

        * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues.
        * config/i386/i386.h
        (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned.
        (NUM_X86_64_MS_CLOBBERED_REGS): New macro.
        (struct machine_function): Add new members call_ms2sysv,
        call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs.
        (struct machine_frame_state): New fields sp_realigned and
        sp_realigned_offset.
        * config/i386/i386.c
        (enum xlogue_stub): New enum.
        (enum xlogue_stub_sets): New enum.
        (class xlogue_layout): New class.
        (struct ix86_frame): New fields stack_realign_allocate_offset,
        stack_realign_offset and outlined_save_offset.  Modify comments to
        detail stack layout when using out-of-line stubs.
        (ix86_target_string): Add -mcall-ms2sysv-xlogues option.
        (ix86_option_override_internal): Add sorry() for TARGET_SEH and
        -mcall-ms2sysv-xlogues.
        (stub_managed_regs): New static variable.
        (ix86_save_reg): Add new parameter ignore_outlined to optionally omit
        registers managed by out-of-line stub.
        (disable_call_ms2sysv_xlogues): New function.
        (ix86_compute_frame_layout): Modify re-alignment calculations, disable
        m->call_ms2sysv when appropriate and compute frame layout for
        out-of-line stubs.
        (sp_valid_at, fp_valid_at): New inline functions.
        (choose_basereg): New function.
        (choose_baseaddr): Add align parameter, use choose_basereg and modify
        all callers.
        (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov):
        Use align parameter of choose_baseaddr to generated aligned SSE movs
        when possible.
        (pro_epilogue_adjust_stack): Modify to track
        machine_frame_state::sp_realigned.
        (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg.
        (ix86_nsaved_sseregs): Likewise.
        (ix86_emit_save_regs): Likewise.
        (ix86_emit_save_regs_using_mov): Likewise.
        (ix86_emit_save_sse_regs_using_mov): Likewise.
        (get_scratch_register_on_entry): Likewise.
        (gen_frame_set): New function.
        (gen_frame_load): Likewise.
        (gen_frame_store): Likewise.
        (emit_outlined_ms2sysv_save): Likewise.
        (emit_outlined_ms2sysv_restore): Likewise.
        (ix86_expand_prologue): Modify stack re-alignment code and call
        emit_outlined_ms2sysv_save when appropriate.
        (ix86_emit_leave): Clear machine_frame_state::sp_realigned.  Add
        parameter rtx_insn *insn, which allows the function to be used to only
        generate the notes.
        (ix86_expand_epilogue): Modify validity checks of frame and stack
        pointers, and call emit_outlined_ms2sysv_restore when appropriate.
        (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate.
        * config/i386/predicates.md
        (save_multiple): New predicate.
        (restore_multiple): Likewise.
        * config/i386/sse.md
        (save_multiple<mode>): New pattern.
        (save_multiple_realign<mode>): Likewise.
        (restore_multiple<mode>): Likewise.
        (restore_multiple_and_return<mode>): Likewise.
        (restore_multiple_leave_return<mode>): Likewise.
        * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp

2017-05-14  Julia Koval  <julia.koval@intel.com>

        * config/i386/i386-builtin-types.def (VOID_FTYPE_INT_INT64): New type.
        * config/i386/i386-builtin.def (__builtin_ia32_xgetbv)
        (__builtin_ia32_xsetbv): New builtins.
        * config/i386/i386.c (ix86_expand_special_args_builtin):
        Process new types.
        (ix86_expand_builtin): Special expand for new intrinsics.
        * config/i386/i386.md (UNSPECV_XGETBV, UNSPECV_XSETBV): New.
        (xsetbv, xsetbv_rex64, xgetbv, xgetbv_rex64): New insn patterns.
        * config/i386/xsaveintrin.h (_xsetbv, _getbv): New intrinsics.

2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * cfganal.c (inverted_post_order_compute): Change argument type
        to vec *.
        * cfganal.h (inverted_post_order_compute): Adjust prototype.
        * df-core.c (rest_of_handle_df_initialize): Adjust.
        (rest_of_handle_df_finish): Likewise.
        (df_analyze_1): Likewise.
        (df_analyze): Likewise.
        (loop_inverted_post_order_compute): Change argument to be a vec *.
        (df_analyze_loop): Adjust.
        (df_get_n_blocks): Likewise.
        (df_get_postorder): Likewise.
        * df.h (struct df_d): Change field to be a vec.
        * lcm.c (compute_laterin): Adjust.
        (compute_available): Likewise.
        * lra-lives.c (lra_create_live_ranges_1): Likewise.
        * tree-ssa-dce.c (remove_dead_stmt): Likewise.
        * tree-ssa-pre.c (compute_antic): Likewise.

2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * cfganal.c (connect_infinite_loops_to_exit): Adjust.
        (depth_first_search::depth_first_search): Change structure init
        function to this constructor.
        (depth_first_search::add_bb): Rename function to this member.
        (depth_first_search::execute): Likewise.
        (flow_dfs_compute_reverse_finish): Adjust.

2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * ddg.c (find_nodes_on_paths): Use auto_sbitmap.
        (longest_simple_path): Likewise.
        * shrink-wrap.c (spread_components): Likewise.
        (disqualify_problematic_components): Likewise.
        (emit_common_heads_for_components): Likewise.
        (emit_common_tails_for_components): Likewise.
        (insert_prologue_epilogue_for_components): Likewise.

2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a
        auto_sbitmap.

2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * df-core.c (df_set_blocks): Start using auto_bitmap.
        (df_compact_blocks): Likewise.
        * df-problems.c (df_rd_confluence_n): Likewise.
        * df-scan.c (df_insn_rescan_all): Likewise.
        (df_process_deferred_rescans): Likewise.
        (df_update_entry_block_defs): Likewise.
        (df_update_exit_block_uses): Likewise.
        (df_entry_block_bitmap_verify): Likewise.
        (df_exit_block_bitmap_verify): Likewise.
        (df_scan_verify): Likewise.
        * lra-constraints.c (lra_constraints): Likewise.
        (undo_optional_reloads): Likewise.
        (lra_undo_inheritance): Likewise.
        * lra-remat.c (calculate_gen_cands): Likewise.
        (do_remat): Likewise.
        * lra-spills.c (assign_spill_hard_regs): Likewise.
        (spill_pseudos): Likewise.
        * tree-ssa-pre.c (bitmap_set_and): Likewise.
        (bitmap_set_subtract_values): Likewise.

2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * haifa-sched.c (estimate_shadow_tick): Replace manual bitmap
        management with auto_bitmap.
        (fix_inter_tick): Likewise.
        (fix_recovery_deps): Likewise.
        * ira.c (add_store_equivs): Likewise.
        (find_moveable_pseudos): Likewise.
        (split_live_ranges_for_shrink_wrap): Likewise.
        * print-rtl.c (rtx_reuse_manager::rtx_reuse_manager): Likewise.
        (rtx_reuse_manager::seen_def_p): Likewise.
        (rtx_reuse_manager::set_seen_def): Likewise.
        * print-rtl.h (class rtx_reuse_manager): Likewise.

2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * bt-load.c (combine_btr_defs): Use auto_bitmap to manage bitmap
        lifetime.
        (migrate_btr_def): Likewise.
        * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
        * df-core.c (loop_post_order_compute): Likewise.
        (loop_inverted_post_order_compute): Likewise.
        * hsa-common.h: Likewise.
        * hsa-gen.c (hsa_bb::~hsa_bb): Likewise.
        * init-regs.c (initialize_uninitialized_regs): Likewise.
        * ipa-inline.c (resolve_noninline_speculation): Likewise.
        (inline_small_functions): Likewise.
        * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
        * ira.c (combine_and_move_insns): Likewise.
        (build_insn_chain): Likewise.
        * loop-invariant.c (find_invariants): Likewise.
        * lower-subreg.c (propagate_pseudo_copies): Likewise.
        * predict.c (tree_predict_by_opcode): Likewise.
        (predict_paths_leading_to): Likewise.
        (predict_paths_leading_to_edge): Likewise.
        (estimate_loops_at_level): Likewise.
        (estimate_loops): Likewise.
        * shrink-wrap.c (try_shrink_wrapping): Likewise.
        (spread_components): Likewise.
        * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
        * tree-loop-distribution.c (rdg_build_partitions): Likewise.
        * tree-predcom.c (tree_predictive_commoning_loop): Likewise.
        * tree-ssa-coalesce.c (coalesce_ssa_name): Likewise.
        * tree-ssa-phionlycprop.c (pass_phi_only_cprop::execute): Likewise.
        * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
        * tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
        * tree-ssa-threadupdate.c (compute_path_counts): Likewise.
        (mark_threaded_blocks): Likewise.
        (thread_through_all_blocks): Likewise.
        * tree-ssa.c (verify_ssa): Likewise.
        (execute_update_addresses_taken): Likewise.
        * tree-ssanames.c (verify_ssaname_freelists): Likewise.

2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * cfganal.c (mark_dfs_back_edges): Replace manual stack with
        auto_vec.
        (post_order_compute): Likewise.
        (inverted_post_order_compute): Likewise.
        (pre_and_rev_post_order_compute_fn): Likewise.

2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * genrecog.c (int_set::int_set): Explicitly construct our
        auto_vec base class.
        * vec.h (auto_vec::auto_vec): New constructor.

2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * bitmap.h (class auto_bitmap): New constructor taking
        bitmap_obstack * argument.

2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * bitmap.h (class auto_bitmap): Change type of m_bits to
        bitmap_head, and adjust ctor / dtor and member operators.

2017-05-13  Uros Bizjak  <ubizjak@gmail.com>

        * compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
        when returned register mode doesn't match original mode.

2017-05-12  Jeff Law  <law@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        * config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
        we look for cc setter after the compare-elim changes.
        * config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
        within the vector to match what compare-elim now expects.
        (subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
        (xorsi3_flags, one_cmplsi2_flags): Likewise.

        * config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
        after the compare-elim changes.
        * config/rx/rx.md (abssi2_flags): Fix order of patterns within
        the vector to match what compare-elim now expects.
        (addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
        (andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
        (iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
        (ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
        (ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.

        * config/visium/visium.c (single_set_and_flags): Fix where
        we look for cc setter after the compare-elim changes.
        * config/visium/visium.md (flags_subst_logic): Fix order of patterns
        with the vector to match what compare-elim now expects.
        (flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
        (add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
        (addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
        (sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
        (subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
        (neg<mode>2_insn_set_overflow): Likewise.

2017-05-12  Jim Wilson  <jim.wilson@linaro.org>

        PR middle-end/79794
        * expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
        maybe_expand_insn call, set ops[0].target.  If still set after call,
        set alt_rtl.  Add extra arg to recursive calls.
        (extract_bit_field): Add alt_rtl argument.  Pass to
        extract_bit_field.
        * expmed.h (extract_bit_field): Fix prototype.
        * expr.c (emit_group_load_1, copy_blkmode_from_reg)
        (copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
        to extract_bit_field_calls.
        (expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
        Pass alt_rtl to extract_bit_field calls.
        * calls.c (store_unaligned_arguments_into_psuedos)
        load_register_parameters): Pass extra NULL to extract_bit_field calls.
        * optabs.c (maybe_legitimize_operand): Clear op->target when call
        gen_reg_rtx.
        * optabs.h (struct expand_operand): Add target bitfield.

2017-05-12  Uros Bizjak  <ubizjak@gmail.com>

        * compare-elim.c (try_eliminate_compare): Canonicalize
        operation with embedded compare to
        [(set (reg:CCM) (compare:CCM (operation) (immediate)))
         (set (reg) (operation)].

        * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.

2017-05-12  Uros Bizjak  <ubizjak@gmail.com>

        PR target/80723
        * config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
        cost of adding a carry flag for ADC instruction.
        [case MINUS]: Ignore the cost of subtracting a carry flag
        for SBB instruction.

2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>

        * config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
        and x86intrin.h
        * config/rs6000/bmiintrin.h: New file.
        * config/rs6000/bmi2intrin.h: New file.
        * config/rs6000/x86intrin.h: New file.

2017-05-12  Jeff Law  <law@redhat.com>

        * tree-vrp.c (vrp_dom_walker::before_dom_children): Push unwinding
        markers.

2017-05-12  Peter Bergner  <bergner@vnet.ibm.com>

        PR middle-end/80707
        * tree-cfg.c: Remove cfg edges of unreachable case statements.

2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
        early expansion of vector divide builtins.
        (builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
        builtins identified as having unsigned arguments.

2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>

        * config/rs6000/rs6000.c (gimple-fold.h): New #include.
        (rs6000_gimple_fold_builtin): Add handling for early GIMPLE
        expansion of vector logical operations (and, andc, or, xor,
        nor, orc, nand).

2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>

        * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
        * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.

2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
        early GIMPLE expansion of vector multiplies.

2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>

        * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
        TARGET_HAVE_MOVT conditional.
        (movt splitter): Likewise.

2017-05-12  Richard Biener  <rguenther@suse.de>

        * tree-ssa-sccvn.h (has_VN_INFO): Declare.
        * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
        Fold all stmts not inplace.

2017-05-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80713
        * tree-ssa-pre.c (remove_dead_inserted_code): Clear
        inserted_exprs bit for not removed stmts.

2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>

        PR middle-end/69921
        * tree-parloops.c (create_parallel_loop): Set "oacc kernels
        parallelized" attribute for parallelized OpenACC kernels.
        * omp-offload.c (execute_oacc_device_lower): Use it.

        * omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
        Set "oacc kernels" attribute.
        * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
        parameter.  Adjust all users.
        (oacc_fn_attrib_kernels_p): Remove function.
        * omp-offload.c (execute_oacc_device_lower): Look for "oacc
        kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
        * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
        * tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
        assert "oacc kernels" attribute is set.

2017-05-11  Carl Love  <cel@us.ibm.com>

        * config/rs6000/rs6000-c: Add support for built-in functions
        vector unsigned char vec_popcnt (vector signed char)
        vector unsigned char vec_popcnt (vector unsigned char)
        vector unsigned short vec_popcnt (vector signed short)
        vector unsigned short vec_popcnt (vector unsigned short)
        vector unsigned int vec_popcnt (vector signed int)
        vector unsigned int vec_popcnt (vector unsigned int)
        vector unsigned long long vec_popcnt (vector signed long long)
        vector unsigned long long vec_popcnt (vector unsigned long long)
        vector signed long long vec_slo (vector signed long long,
                                         vector signed char)
        vector signed long long vec_slo (vector signed long long,
                                         vector unsigned char)
        vector unsigned long long vec_slo (vector unsigned long long,
                                           vector signed char)
        vector unsigned long long vec_slo (vector unsigned long long,
                                           vector unsigned char)
        * config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
        VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
        * config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
        vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
        * doc/extend.texi: Update the built-in documentation file for the
        new built-in functions.

2017-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * attribs.h (sorted_attr_string): Move machine independent
        functions for target clone support from the i386 port to common
        code.  Rename ix86_function_versions to common_function_versions.
        Rename make_name to make_unique_name.
        (common_function_versions): Likewise.
        (make_unique_name): Likewise.
        (make_dispatcher_decl): Likewise.
        (is_function_default_version): Likewise.
        * attribs.c (attr_strcmp): Likewise.
        (sorted_attr_string): Likewise.
        (common_function_versions): Likewise.
        (make_unique_name): Likewise.
        (make_dispatcher_decl): Likewise.
        (is_function_default_version): Likewise.
        * config/i386/i386.c (attr_strcmp): Likewise.
        (sorted_attr_string): Likewise.
        (ix86_function_versions): Likewise.
        (make_name): Likewise.
        (make_dispatcher_decl): Likewise.
        (is_function_default_version): Likewise.
        (TARGET_OPTION_FUNCTION_VERSIONS): Update target function hook.

2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR target/80695
        * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
        Account for direct move costs for vec_construct of integer
        vectors.

2017-05-11  Uros Bizjak  <ubizjak@gmail.com>

        PR target/80706
        * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
        (UNSPEC_STX_ATOMIC): Ditto.
        (loaddi_via_sse): New insn.
        (storedi_via_sse): Ditto.
        (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
        Update corresponding peephole2 patterns.
        (atomic_storedi_fpu): Ditto.

2017-05-11  Julia Koval  <julia.koval@intel.com>

        * config/i386/avx512fintrin.h (_mm_mask_rsqrt14_sd)
        (_mm_maskz_rsqrt14_sd, _mm_mask_rsqrt14_ss, _mm_maskz_rsqrt14_ss):
        New intrinsics.
        * config/i386/i386-builtin.def (__builtin_ia32_rsqrt14sd_mask)
        (__builtin_ia32_rsqrt14ss_mask): New builtins.
        * config/i386/sse.md (rsqrt14_<mode>_mask): New pattern.

2017-05-11  Nathan Sidwell  <nathan@acm.org>

        * graphite-poly.c: Include dumpfile.h.

        * dumpfle.h (dump_function): Declare here ...
        * tree-dump.h (dump_function): ... not here.
        * dumpfile.c: #include tree-cfg.h.
        (dump_function): Move here from ...
        * tree-dump.c (dump_function): ... here.
        * gimplify.c: #include splay-tree.h, not tree-dump.h.
        * graphite-poly.c: Don't include tree-dump.h.
        * cgraphclones.c: Include dumpfile.h not tree-dump.h.
        * print-tree.c: Likewise.
        * stor-layout.c: Likewise.
        * tree-nested.c: Likewise.

        * dumpfile.c (dump_start): Use TDF_FLAGS.
        (dump_enable_all): Fix TDF_KIND check thinko.

2017-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        array entries to represent two legal parameterizations of the
        overloaded __builtin_cmpb function, as represented by the
        P6_OV_BUILTIN_CMPB constant.
        (altivec_resolve_overloaded_builtin): Add special case handling
        for the __builtin_cmpb function, as represented by the
        P6_OV_BUILTIN_CMPB constant.
        * config/rs6000/rs6000-builtin.def (BU_P6_2): New macro.
        (BU_P6_64BIT_2): New macro.
        (BU_P6_OVERLOAD_2): New macro
        (CMPB_32): Add 32-bit compare-bytes support for 32-bit only targets.
        (CMPB): Add 64-bit compare-bytes support for 32-bit and 64-bit targets.
        (CMPB): Add overload support to represent both 32-bit and 64-bit
        compare-bytes function.
        * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
        support for TARGET_CMPB.
        * config/rs6000/rs6000.h: Add support for RS6000_BTM_CMPB.
        * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
        documentation of the __builtin_cmpb overloaded built-in function.

2017-05-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80705
        * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
        bases are not vectorizable.

2017-05-11  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (determine_set_costs): Skip non-interger
        when counting register pressure.

2017-05-11  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (compare_cost_pair): New.
        (iv_ca_more_deps): Renamed to ...
        (iv_ca_compare_deps): ... this.
        (iv_ca_extend): Extend iv_ca if NEW_CP is cheaper than OLD_CP.

2017-05-11  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (find_interesting_uses): Move inv vars dump
        to ...
        (determine_group_iv_costs): ... here.
        (find_inv_vars_cb): Record inv var if it's not recorded before.

2017-05-11  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
        (get_shiftadd_cost): Ditto.

2017-05-11  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-address.c: Include header file.
        (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory
        address.
        (add_to_parts): Refactor.
        (addr_to_parts): New parameter.  Update use of move_hint_to_base.
        (create_mem_ref): Update use of addr_to_parts.  Re-associate addr
        in new order.

2017-05-11  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/53090
        * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New enum value
        COMP_IV_EXPR_2.
        (extract_cond_operands): Detect condition with IV on both sides
        and return COMP_IV_EXPR_2.
        (find_interesting_uses_cond): Add iv_use for both IVs in condition.
        (rewrite_use_compare): Simplify by removing call to function
        extract_cond_operands.

2017-05-11  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New.
        (extract_cond_operands): Detect condition comparing against non-
        invariant bound and return appropriate enum value.
        (find_interesting_uses_cond): Update use of extract_cond_operands.
        Handle its return value accordingly.
        (determine_group_iv_cost_cond, rewrite_use_compare): Ditto.

2017-05-11  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Re-associate
        nonlinear iv_use computation in loop invariant sensitive way.

2017-05-11  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): New.
        (find_iv_candidates): Call relate_compare_use_with_all_cands.

2017-05-11  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (struct iv_cand): New field inv_exprs.
        (dump_cand): Support iv_cand.inv_exprs.
        (add_candidate_1): Record invariant exprs in iv_cand.inv_exprs
        for candidates.
        (iv_ca_set_no_cp, iv_ca_set_cp, free_loop_data): Support
        iv_cand.inv_exprs.

2017-05-11  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move
        from ...
        * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here
        as local function.  Include necessary header files.
        * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete.

2017-05-11  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (autoinc_possible_for_pair): Simplify.

2017-05-11  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Handle more
        operators: TRUNC_DIV_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR, LSHIFT_EXPR,
        RSHIFT_EXPR and BIT_NOT_EXPR.

2017-05-11  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (get_loop_invariant_expr): Simplify.
        (adjust_setup_cost): New parameter supporting round up adjustment.
        (struct address_cost_data): Delete.
        (force_expr_to_var_cost): Don't bound cost with spill_cost.
        (split_address_cost, ptr_difference_cost): Delete.
        (difference_cost, compare_aff_trees, record_inv_expr): Delete.
        (struct ainc_cost_data): New struct.
        (get_address_cost_ainc): New function.
        (get_address_cost, get_computation_cost): Reimplement.
        (determine_group_iv_cost_address): Record inv_expr for all uses of
        a group.
        (determine_group_iv_cost_cond): Call get_loop_invariant_expr.
        (iv_ca_has_deps): Reimplemented to ...
        (iv_ca_more_deps): ... this.  Check if NEW_CP introduces more deps
        than OLD_CP.
        (iv_ca_extend): Call iv_ca_more_deps.

2017-05-11  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-address.c (struct mem_address): Move to header file.
        (valid_mem_ref_p, move_fixed_address_to_symbol): Make it global.
        * tree-ssa-address.h (struct mem_address): Move from C file.
        (valid_mem_ref_p, move_fixed_address_to_symbol): Declare.

2017-05-11  Bin Cheng  <bin.cheng@arm.com>

        * tree-affine.h (aff_combination_type): New interface.
        (aff_combination_zero_p): Remove static.
        (aff_combination_const_p): New interface.
        (aff_combination_singleton_var_p): New interfaces.

2017-05-11  Richard Biener  <rguenther@suse.de>

        * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
        Skip unreachable blocks and destinations.
        (eliminate): Move stmt removal and fixup ...
        (fini_eliminate): ... here.  Skip inserted exprs.
        (pass_pre::execute): Move fini_pre after fini_eliminate.
        * tree-ssa-tailmerge.c: Include tree-cfgcleanup.h.
        (tail_merge_optimize): Run cleanup_tree_cfg if requested by
        PRE to get rid of dead code that has invalid SSA form and
        split critical edges again.

2017-05-11  Bin Cheng  <bin.cheng@arm.com>

        * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.

2017-05-11  Richard Biener  <rguenther@suse.de>

        * passes.c (execute_function_todo): Verify loops if they are
        said to be up-to-date.
        * cfgexpand.c (pass_expand::execute): Discard loops for -dx.
        * trans-mem.c (pass_tm_edges::execute): Mark loops for fixup.

2017-05-10  John David Anglin  <danglin@gcc.gnu.org>

        PR target/80090
        * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
        handle calling assemble_external ourself.

        PR target/79027
        * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
        modes with zero size.  Enhance comment.

2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
        built-ins for vec_xl and vec_xst with short and char pointer
        arguments.

2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>

        * config/i386/avx512fintrin.h (_mm_mask_max_round_sd)
        (_mm_maskz_max_round_sd, _mm_mask_max_round_ss)
        (_mm_maskz_max_round_ss, _mm_mask_min_round_sd)
        (_mm_maskz_min_round_sd, _mm_mask_min_round_ss)
        (_mm_maskz_min_round_ss): New intrinsics.
        * config/i386/i386-builtin-types.def (V2DF, V2DF, V2DF, V2DF, UQI, INT)
        (V4SF, V4SF, V4SF, V4SF, UQI, INT): New function type aliases.
        * config/i386/i386-builtin.def (__builtin_ia32_maxsd_mask_round)
        (__builtin_ia32_maxss_mask_round, __builtin_ia32_minsd_mask_round)
        (__builtin_ia32_minss_mask_round): New builtins.
        * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
        (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
        * config/i386/sse.md (<sse>_vm<code><mode>3<round_saeonly_name>):
        Rename to ...
        (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): ... this.
        (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|%0, %1, %<iptr>2<round_saeonly_op3>}):
        Change to ...
        (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}):
        ... this.

2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>

        * config/i386/avx512fintrin.h (_mm_mask_mul_round_sd)
        (_mm_maskz_mul_round_sd, _mm_mask_mul_round_ss)
        (_mm_maskz_mul_round_ss, _mm_mask_div_round_sd)
        (_mm_maskz_div_round_sd, _mm_mask_div_round_ss)
        (_mm_maskz_div_round_ss, _mm_mask_mul_sd, _mm_maskz_mul_sd)
        (_mm_mask_mul_ss, _mm_maskz_mul_ss, _mm_mask_div_sd)
        (_mm_maskz_div_sd, _mm_mask_div_ss, _mm_maskz_div_ss): New intrinsics.
        * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
        (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
        * config/i386/i386-builtin.def (__builtin_ia32_divsd_mask_round)
        (__builtin_ia32_divss_mask_round, __builtin_ia32_mulsd_mask_round)
        (__builtin_ia32_mulss_mask_round): New builtins.
        * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
        (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
        * config/i386/sse.md (<sse>_vm<multdiv_mnemonic><mode>3<round_name>):
        Rename to ...
        (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): ... this.
        (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
        Change to ...
        (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
        ... this.

2017-05-10  Julia Koval  <julia.koval@intel.com>

        * config/i386/avxintrin.h (_mm256_set_m128, _mm256_set_m128d)
        (_mm256_set_m128i, _mm256_setr_m128, _mm256_setr_m128d)
        (_mm256_setr_m128i): New intrinsics.

2017-05-10  Julia Koval  <julia.koval@intel.com>

        * config/i386/avx512fintrin.h (_mm_mask_rcp14_sd)
        (_mm_maskz_rcp14_sd, _mm_mask_rcp14_ss)
        (_mm_maskz_rcp14_ss): New intrinsics.
        * config/i386/i386-builtin.def (__builtin_ia32_rcp14sd_mask)
        (__builtin_ia32_rcp14ss_mask): New builtins.
        * config/i386/sse.md (srcp14<mode>_mask): New pattern.

2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>

        PR tree-optimization/51513
        * tree-cfg.c (gimple_seq_unreachable_p): New function.
        (assert_unreachable_fallthru_edge_p): Use it.
        (group_case_labels_stmt): Likewise.
        * tree-cfg.h: Prototype it.
        * stmt.c: Include cfghooks.h and tree-cfg.h.
        (emit_case_dispatch_table) <gap_label>: New local variable.
        Use it to fill dispatch table gaps.
        Test for default_label before updating probabilities.
        (expand_case) <default_label>: Remove unneeded initialization.
        Test for unreachable default case statement and remove its edge.
        Set default_label accordingly.
        * tree-ssa-ccp.c (optimize_unreachable): Update comment.

2017-05-10  Carl Love  <cel@us.ibm.com>

        * config/rs6000/rs6000-c: Add support for built-in functions
        vector signed char      vec_neg (vector signed char)
        vector signed short int vec_neg (vector short int)
        vector signed int       vec_neg (vector signed int)
        vector signed long long vec_neg (vector signed long long)
        vector float            vec_neg (vector float)
        vector double           vec_neg (vector double)
        * config/rs6000/rs6000-builtin.def: Add definitions for NEG function
        overload.
        * config/rs6000/altivec.h: Add define for vec_neg
        * doc/extend.texi: Update the built-in documentation for the
        new built-in functions.

2017-05-10  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        PR tree-optimization/77644
        * match.pd (sqrt(x) cmp sqrt(y) -> x cmp y): New pattern.

2017-05-10  Nathan Sidwell  <nathan@acm.org>

        * dumpfile.h (TDI_lang_all): New.
        (TDF_KIND): New. Renumber others
        (TDF_LANG, TDF_TREE, TDF_RTL, TDF_IPA): Enumerate value, rather
        than bits.
        * dumpfile.c (dump_files): Mark language dumps as TDF_LANG.  add
        lang-all.
        (get_dump_file_name): Adjust suffix generation.
        (dump_enable_all): Use TDF_KIND.
        * doc/invoke.texi (-fdump-lang-all): Document.

        * dumpfile.h: Tabify.

2017-05-10  Wilco Dijkstra  <wdijkstr@arm.com>

        PR target/80671
        * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
        Move member access before delete.

2017-05-10  Alexandre Oliva <aoliva@redhat.com>

        * tree-inline.c (expand_call_inline): Split block at stmt
        before the call.

2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/68163
        * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
        are now unused after splitting mov{sf,sd}_hardfloat.
        (f32_lr2): Likewise.
        (f32_lm): Likewise.
        (f32_lm2): Likewise.
        (f32_li): Likewise.
        (f32_li2): Likewise.
        (f32_lv): Likewise.
        (f32_sr): Likewise.
        (f32_sr2): Likewise.
        (f32_sm): Likewise.
        (f32_sm2): Likewise.
        (f32_si): Likewise.
        (f32_si2): Likewise.
        (f32_sv): Likewise.
        (f32_dm): Likewise.
        (f32_vsx): Likewise.
        (f32_av): Likewise.
        (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
        For movsf, order stores so the VSX stores occur before the GPR
        store which encourages the register allocator to use a traditional
        FPR instead of a GPR.  For movsd, order the stores so that the GPR
        store comes before the VSX stores to allow the power6 to work.
        This is due to the power6 not having a 32-bit integer store
        instruction from a FPR.
        (movsf_hardfloat): Likewise.
        (movsd_hardfloat): Likewise.

2017-05-09  Martin Sebor  <msebor@redhat.com>

        PR translation/80280
        * config/sol2-c.c (cmn_err_flag_specs): Initialize new data member
        added in r247778.

        PR translation/80280
        * config/i386/msformat-c.c (ms_printf_flag_specs): Initialize new
        data member added in r247778.
        (ms_scanf_flag_specs, ms_strftime_flag_specs): Same.

2017-05-09  Nathan Sidwell  <nathan@acm.org>

        * tree.h (tree_fits_shwi_p, tree_fits_uhwi_p): Unconditionally pure.

        * ipa-devirt.c (default_hash_traits<type_pair>): Skip struct-scope
        typedefs.

2017-05-09  Marek Polacek  <polacek@redhat.com>

        * doc/invoke.texi: Fix typo.

2017-05-09  Richard Biener  <rguenther@suse.de>

        * tree-vrp.c (vrp_val_is_max): Adjust comment.
        (vrp_val_is_min): Likewise.
        (set_value_range_to_value): Likewise.
        (set_value_range_to_nonnegative): Likewise.
        (gimple_assign_nonzero_p): Likewise.
        (gimple_stmt_nonzero_p): Likewise.
        (vrp_int_const_binop): Likewise.  Remove unreachable case.
        (adjust_range_with_scev): Adjust comments.
        (compare_range_with_value): Likewise.
        (extract_range_from_phi_node): Likewise.
        (test_for_singularity): Likewise.

2017-05-09  Richard Biener  <rguenther@suse.de>

        * tree-vrp.c (get_single_symbol): Add assert that we don't
        get overflowed constants as invariant part.
        (compare_values_warnv): Add comment before the TREE_NO_WARNING
        checks.  Use wi::cmp instead of recursing for integer constants.
        (compare_values): Just ignore whether we assumed undefined
        overflow instead of failing the compare.
        (extract_range_for_var_from_comparison_expr): Add comment before the
        TREE_NO_WARNING sets.
        (test_for_singularity): Likewise.
        (extract_range_from_comparison): Do not disable optimization
        when we assumed undefined overflow.
        (extract_range_basic): Remove init of unused var.

2017-05-09  Richard Biener  <rguenther@suse.de>

        * tree-vrp.c (vrp_int_const_binop): Use wide-ints and simplify.
        (extract_range_from_multiplicative_op_1): Adjust.
        (extract_range_from_binary_expr_1): Use int_const_binop.

2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        PR target/80101
        * config/rs6000/power6.md: Replace store_data_bypass_p calls with
        rs6000_store_data_bypass_p in seven define_bypass directives and
        in several comments.
        * config/rs6000/rs6000-protos.h: Add prototype for
        rs6000_store_data_bypass_p function.
        * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
        function implements slightly different (rs6000-specific) semantics
        than store_data_bypass_p, returning false rather than aborting
        with assertion error when arguments do not satisfy the
        requirements of store data bypass.
        (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
        rs6000_store_data_bypass_p.

2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/xtensa-protos.h
        (xtensa_initial_elimination_offset): New declaration.
        * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
        New function. Move its body from the INITIAL_ELIMINATION_OFFSET
        macro definition, add case for FRAME_POINTER_REGNUM when
        FRAME_GROWS_DOWNWARD.
        * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition.
        (INITIAL_ELIMINATION_OFFSET): Replace body with call to
        xtensa_initial_elimination_offset.

2017-05-08  Nathan Sidwell  <nathan@acm.org>

        * doc/invoke.texi: Alphabetize -fdump options.

2017-05-08  Martin Sebor  <msebor@redhat.com>

        PR translation/80280
        * config/sol2-c.c (solaris_pragma_align): Correct quoting.

2017-05-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * target.def (compute_frame_layout): New optional target hook.
        * doc/tm.texi.in (TARGET_COMPUTE_FRAME_LAYOUT): Add hook.
        * doc/tm.texi (TARGET_COMPUTE_FRAME_LAYOUT): Add documentation.
        * lra-eliminations.c (update_reg_eliminate): Call compute_frame_layout
        target hook.
        * reload1.c (verify_initial_elim_offsets): Likewise.
        * config/arm/arm.c (TARGET_COMPUTE_FRAME_LAYOUT): Define.
        (use_simple_return_p): Call arm_compute_frame_layout if needed.
        (arm_get_frame_offsets): Split up into this ...
        (arm_compute_frame_layout): ... and this function.

2017-05-08  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/constraints.md (Usa): New constraint.
        * config/aarch64/aarch64.md (*movsi_aarch64, *movdi_aarch64): Use it.

2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config.gcc (arm*-*-*): Set TM_MULTILIB_CONFIG from
        with_multilib_list after it has been checked.

2017-05-08  Richard Biener  <rguenther@suse.de>

        * tree-ssa-pre.c (bitmap_set_and): Avoid bitmap copy.
        (bitmap_set_subtract_values): Likewise.

2017-05-08  Richard Biener  <rguenther@suse.de>

        * tree-vrp.c (gimple_assign_nonzero_warnv_p): Rename to ...
        (gimple_assign_nonzero): ... this and remove strict_overflow_p
        argument.
        (gimple_stmt_nonzero_warnv_p): Rename to ...
        (gimple_stmt_nonzero_p): ... this and remove strict_overflow_p
        argument.
        (vrp_stmt_computes_nonzero): Remove strict_overflow_p argument.
        (extract_range_basic): Adjust, do not disable propagation on
        strict overflow sensitive simplification.
        (vrp_visit_cond_stmt): Likewise.

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

        * ipa-inline-analysis.c (estimate_function_body_sizes): Recompute
        body size unconditionally.

2017-05-07  Jeff Law  <law@redhat.com>

        Revert:
        2017-05-06  Jeff Law  <law@redhat.com>
        PR tree-optimization/78496
        * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
        code.

        PR tree-optimization/78496
        * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
        (simplify_stmt_using_ranges): Call it.
        (vrp_dom_walker::before_dom_children): Extract equivalences
        from an ASSERT_EXPR with an equality comparison against a
        constant.

2017-05-06  Jeff Law  <law@redhat.com>

        PR tree-optimization/78496
        * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
        code.

        PR tree-optimization/78496
        * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
        (simplify_stmt_using_ranges): Call it.
        (vrp_dom_walker::before_dom_children): Extract equivalences
        from an ASSERT_EXPR with an equality comparison against a
        constant.

2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>

        * lra-constraints.c (lra_copy_reg_equiv): New function.
        (split_reg): Use it to copy equivalence information from the
        original register to the spill register.

2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>

        PR rtl-optimization/75964
        * simplify-rtx.c (simplify_const_relational_operation): Remove
        invalid handling of comparisons of integer ABS.

2017-05-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ext_80387_constant_init): Do not explicitly
        initialize to zero.
        (init_regs): Remove declaration.
        (function_arg_advance_32): Initialize error_p as boolean variable.

2017-05-05  Nathan Sidwell  <nathan@acm.org>

        * store-motion.c (remove_reachable_equiv_notes): Reformat long
        lines.  Use for (;;).

2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
        (rs6000_init_cost): Initialize rs6000_vect_nonmem.
        (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
        (rs6000_finish_cost): Avoid vectorizing simple copy loops with
        VF=2 that require versioning.

2017-05-05  David Malcolm  <dmalcolm@redhat.com>

        * diagnostic.h (CARET_LINE_MARGIN): Convert from macro to const
        int.

2017-05-05  David Malcolm  <dmalcolm@redhat.com>

        * diagnostic.h (diagnostic_override_option_index): Convert from
        macro to inline function.

2017-05-05  David Malcolm  <dmalcolm@redhat.com>

        * diagnostic.c (last_module_changed_p): New function.
        (set_last_module): New function.
        (diagnostic_report_current_module): Convert macro usage to
        the above functions.
        * diagnostic.h (diagnostic_context::last_module): Strengthen
        from const line_map * to const line_map_ordinary *.
        (diagnostic_last_module_changed): Delete macro.
        (diagnostic_set_last_module): Delete macro.

2017-05-05  David Malcolm  <dmalcolm@redhat.com>

        * diagnostic.c (diagnostic_impl): Replace report_diagnostic
        with diagnostic_report_diagnostic.
        (diagnostic_n_impl_richloc): Likewise.
        * diagnostic.h (report_diagnostic): Delete macro.
        * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic
        with diagnostic_report_diagnostic.
        * substring-locations.c (format_warning_va): Likewise.

2017-05-05  David Malcolm  <dmalcolm@redhat.com>

        * diagnostic.c (diagnostic_report_diagnostic): Eliminate
        save/restor of format_spec.  Move option-printing code to...
        (print_option_information): ...this new function, and
        reimplement by simply printing to the pretty_printer,
        rather than appending to the format string.

2017-05-05  David Malcolm  <dmalcolm@redhat.com>

        * diagnostic.c (diagnostic_report_diagnostic): Split out pragma
        handling logic into...
        (update_effective_level_from_pragmas): ...this new function.

2017-05-04  Andrew Waterman  <andrew@sifive.com>

        * config/riscv/riscv.opt (mstrict-align): New option.
        * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
        (SLOW_UNALIGNED_ACCESS): Define.
        (riscv_slow_unaligned_access): Declare.
        * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
        field.
        (riscv_slow_unaligned_access): New variable.
        (rocket_tune_info): Set slow_unaligned_access to true.
        (optimize_size_tune_info): Set slow_unaligned_access to false.
        (riscv_cpu_info_table): Add entry for optimize_size_tune_info.
        (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
        (riscv_option_override): Set riscv_slow_unaligned_access.
        * doc/invoke.texi: Add -mstrict-align to RISC-V.

2017-05-04  Kito Cheng  <kito.cheng@gmail.com>

        * config/riscv/riscv.md: Unify indentation.

2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/79038
        PR target/79202
        PR target/79203
        * config/rs6000/rs6000.md (u code attribute): Add FIX and
        UNSIGNED_FIX.
        (extendsi<mode>2): Add support for doing sign extension via
        VUPKHSW and XXPERMDI if the value is in Altivec registers and we
        don't have ISA 3.0 instructions.
        (extendsi<mode>2 splitter): Likewise.
        (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
        generate the normal insns since SImode can now go in vector
        registers.  Disallow the special UNSPECs needed for previous
        machines to hide SImode being used.  Add new insns
        fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
        (fix_trunc<mode>si2_stfiwx): Likewise.
        (fix_trunc<mode>si2_internal): Likewise.
        (fixuns_trunc<mode>si2): Likewise.
        (fixuns_trunc<mode>si2_stfiwx): Likewise.
        (fctiw<u>z_<mode>_smallint): Likewise.
        (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
        of floating point to 32-bit integer from doing a direct move to
        the GPR registers to do a store.
        (fctiwz_<mode>): Break long line.

2017-05-05  Bin Cheng  <bin.cheng@arm.com>

        * Makefile.in (GTFILES): Add tree-ssa-loop-ivopts.c.
        * tree-ssa-loop-ivopts.c (compute_max_addr_offset): Delete.
        (addr_list, addr_offset_valid_p): New.
        (split_address_groups): Check offset validity with above function.
        (gt-tree-ssa-loop-ivopts.h): Include header file.

2017-05-05  Nathan Sidwell  <nathan@acm.org>

        * config.gcc (arm*-*-*): Add missing 'fi'.

2017-05-05  Steve Ellcey  <sellcey@cavium.com>

        * doc/invoke.texi (-fopt-info): Explicitly say order of options
        included in -fopt-info does not matter.
        * doc/optinfo.texi (-fopt-info): Fix description of default
        behavour. Explicitly say order of options included in -fopt-info
        does not matter.

2017-05-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config.gcc: Allow combinations of aprofile and rmprofile values for
        --with-multilib-list.
        * config/arm/t-multilib: New file.
        * config/arm/t-aprofile: Remove initialization of MULTILIB_*
        variables.  Remove setting of ISA and floating-point ABI in
        MULTILIB_OPTIONS and MULTILIB_DIRNAMES.  Set architecture and FPU in
        MULTI_ARCH_OPTS_A and MULTI_ARCH_DIRS_A rather than MULTILIB_OPTIONS
        and MULTILIB_DIRNAMES respectively.  Add comment to introduce all
        matches.  Add architecture matches for marvel-pj4 and generic-armv7-a
        CPU options.
        * config/arm/t-rmprofile: Likewise except for the matches changes.
        * doc/install.texi (--with-multilib-list): Document the combination of
        aprofile and rmprofile values and warn about pitfalls in doing that.

2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.md (movsi_aarch64): Remove '*' from r=w.
        (movdi_aarch64): Likewise.

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

        PR tree-optimization/80632
        * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
        field.
        (build_arrays): Initialize it for virtual phis.
        (fix_phi_nodes): Use it for virtual phis.

        PR tree-optimization/80558
        * tree-vrp.c (extract_range_from_binary_expr_1): Optimize
        [x, y] op z into [x op, y op z] for op & or | if conditions
        are met.

2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Prakhar Bahuguna  <prakhar.bahuguna@arm.com>

        PR target/71607
        * config/arm/arm.md (use_literal_pool): Remove.
        (64-bit immediate split): No longer takes cost into consideration
        if arm_disable_literal_pool is enabled.
        * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
        used when arm_disable_literal_pool is enabled.
        (arm_max_const_double_inline_cost): Remove use of
        arm_disable_literal_pool.
        (push_minipool_fix): Add assert.
        (arm_reorg): Add return if arm_disable_literal_pool is enabled.
        * config/arm/vfp.md (no_literal_pool_df_immediate): New.
        (no_literal_pool_sf_immediate): New.

2017-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        PR tree-optimization/80613
        * tree-ssa-dce.c (propagate_necessity): Remove cases for
        BUILT_IN_STRDUP and BUILT_IN_STRNDUP.

2017-05-05  Richard Biener  <rguenther@suse.de>

        * tree-ssa-pre.c (get_or_alloc_expr_for): Simplify.

2017-05-05  Georg-Johann Lay  <avr@gjlay.de>

        * config/avr/avr.md [flag_strict_overflow]: Remove any occurence
        of this flag from insn conditions due to removal from r247495.

2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/arm/aarch-common.c (arm_early_load_addr_dep_ptr):
        New function.
        (arm_early_store_addr_dep_ptr): Likewise.
        * config/arm/aarch-common-protos.h
        (arm_early_load_addr_dep_ptr): Add prototype.
        (arm_early_store_addr_dep_ptr): Likewise.
        * config/arm/cortex-a53.md: Add new bypasses.

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

        * tree.c (next_type_uid): Change type to unsigned.
        (type_hash_canon): Decrement back next_type_uid if
        freeing a type node with the highest TYPE_UID.  For INTEGER_TYPEs
        also ggc_free TYPE_MIN_VALUE, TYPE_MAX_VALUE and TYPE_CACHED_VALUES
        if possible.

2017-05-04  Martin Sebor  <msebor@redhat.com>

        * builtins.c: Fix a trivial typo in a comment.

        PR middle-end/79234
        * builtins.c (check_sizes): Adjust to handle reading past the end.
        Avoid printing excessive upper bound of ranges.  Use %E to print
        tree nodes instead of converting them to %wu.
        (expand_builtin_memchr): New function.
        (compute_dest_size): Rename...
        (compute_objsize): ...to this.
        (expand_builtin_memcpy): Adjust.
        (expand_builtin_mempcpy): Adjust.
        (expand_builtin_strcat): Adjust.
        (expand_builtin_strcpy): Adjust.
        (check_strncat_sizes): Adjust.
        (expand_builtin_strncat): Adjust.
        (expand_builtin_strncpy): Adjust and simplify.
        (expand_builtin_memset): Adjust.
        (expand_builtin_bzero): Adjust.
        (expand_builtin_memcmp): Adjust.
        (expand_builtin): Handle memcmp.
        (maybe_emit_chk_warning): Check strncat just once.

2017-05-04  Martin Sebor  <msebor@redhat.com>

        PR preprocessor/79214
        PR middle-end/79222
        PR middle-end/79223
        * builtins.c (check_sizes): Add inlining context and issue
        warnings even when -Wno-system-headers is set.
        (check_strncat_sizes): Same.
        (expand_builtin_strncat): Same.
        (expand_builtin_memmove): New function.
        (expand_builtin_stpncpy): Same.
        (expand_builtin): Handle memmove and stpncpy.

2017-05-04  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
        which is not used any more.

2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (generic_tunings): Update prefetch model.

2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
        (cortexa53_tunings): Likewise.
        (cortexa57_tunings): Likewise.
        (cortexa72_tunings): Likewise.
        (cortexa73_tunings): Likewise.

2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (generic_tunings): Set jump alignment to 4.
        Set loop alignment to 8.

2017-05-04  Martin Sebor  <msebor@redhat.com>

        PR translation/80280
        * builtins.c (expand_builtin_object_size): Add missing quoting to
        %D and like directives.
        * hsa-gen.c (hsa_type_for_scalar_tree_type): Same.
        (hsa_type_for_tree_type): Same.
        (verify_function_arguments): Same.
        * symtab.c (symbol_table::change_decl_assembler_name): Same.
        * varasm.c (get_section): Same.
        (mark_weak): Same.

2017-05-04  Martin Sebor  <msebor@redhat.com>

        PR translation/80280
        * config/i386/i386.c (ix86_function_versions): Quote a %D directive.

2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (generic_addrcost_table):
        Change HI/TI mode setting.

2017-05-04  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/80622
        * tree-sra.c (comes_initialized_p): New function.
        (build_accesses_from_assign): Only set write lazily when
        comes_initialized_p is false.
        (analyze_access_subtree): Use comes_initialized_p.
        (propagate_subaccesses_across_link): Assert !comes_initialized_p
        instead of testing for PARM_DECL.

2017-05-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.md (prefetch); Adjust predicate and
        constraint on operand 0 to allow more general addressing modes.
        Adjust output template.
        * config/aarch64/aarch64.c (aarch64_address_valid_for_prefetch_p):
        New function.
        * config/aarch64/aarch64-protos.h
        (aarch64_address_valid_for_prefetch_p): Declare prototype.
        * config/aarch64/constraints.md (Dp): New address constraint.
        * config/aarch64/predicates.md (aarch64_prefetch_operand): New
        predicate.

2017-05-04  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-cp.c (perform_estimation_of_a_value): Drop base_time parameter;
        update use of estimate_ipcp_clone_size_and_time.
        (estimate_local_effects): Update use of
        estimate_ipcp_clone_size_and_time and perform_estimation_of_a_value.
        * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update prototype.
        * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time):
        Return nonspecialized time.

2017-05-04  Richard Biener  <rguenther@suse.de>

        * tree-ssa-alias.c (get_continuation_for_phi): Improve looking
        for the last VUSE which def dominates the PHI.  Directly call
        maybe_skip_until.
        (get_continuation_for_phi_1): Remove.

2017-05-04  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Add commentary
        to explain the use of truncating division.  Cap the number of
        iterations to the maximum given by nb_iterations_upper_bound,
        if defined.

2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/i386/driver-mingw32.c: new file.
        * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
        * config.host: Link driver-mingw32.o on MinGW host.
        * doc/install.texi: Document new --enable-mingw-wildcard configure
        option.

2017-05-04  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/80612
        * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.

2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
            Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm.md (movsi): Change TARGET_32BIT to TARGET_HAVE_MOVT.
        (movt splitter): Likewise.
        * config/arm/arm.c (arm_option_check_internal): Change arm_arch_thumb2
        to TARGET_HAVE_MOVT, and merge with -mslow-flash-data check.
        (const_ok_for_arm): Change else to else if (TARGET_THUMB2) and add else
        block for Thumb-1 with MOVT.
        (thumb2_legitimate_address_p): Move code block ...
        (can_avoid_literal_pool_for_label_p): ... into this new function.
        (thumb1_legitimate_address_p): Add check for TARGET_HAVE_MOVT and
        literal pool.
        (thumb_legitimate_constant_p): Add conditional on TARGET_HAVE_MOVT
        * doc/invoke.texi (-mpure-code): Change "ARMv7-M targets" for
        "M-profile targets with the MOVT instruction".

2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>

        * gcc/config/arm/arm-builtins.c (arm_init_builtins): Rename
        __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
        __builtin_arm_stfscr to __builtin_arm_set_fpscr.

2017-05-04  Martin Liska  <mliska@suse.cz>

        * tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
        variable cond_code.

2017-05-04  Richard Biener  <rguenther@suse.de>

        * tree.c (array_at_struct_end_p): Handle arrays at struct
        end with flexarrays more conservatively.  Refactor and treat
        arrays of arrays or aggregates more strict.  Fix
        VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
        * tree.c (array_at_struct_end_p): Adjust prototype.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
        * gimple-fold.c (get_range_strlen): Likewise.
        * tree-chkp.c (chkp_may_narrow_to_field): Likewise.

2017-05-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/31130
        * tree-vrp.c (needs_overflow_infinity): Remove as always returning
        false.
        (supports_overflow_infinity): Likewise.
        (is_negative_overflow_infinity): Likewise.
        (is_positive_overflow_infinity): Likewise.
        (is_overflow_infinity): Likewise.
        (stmt_overflow_infinity): Likewise.
        (overflow_infinity_range_p): Likewise.
        (usable_range_p): Remove as always returning true.
        (make_overflow_infinity): Remove.
        (negative_overflow_infinity): Likewise.
        (positive_overflow_infinity): Likewise.
        (avoid_overflow_infinity): Likewise.
        (set_value_range): Adjust accordingly.
        (set_value_range_to_nonnegative): Likewise, remove now unused
        overflow_infinity arg.
        (vrp_operand_equal_p): Adjust.
        (update_value_range): Likewise.
        (range_int_cst_singleton_p): Likewise.
        (operand_less_p): Likewise.
        (compare_values_warnv): Likewise.
        (extract_range_for_var_from_comparison_expr): Likewise.
        (vrp_int_const_binop): Likewise.
        (zero_nonzero_bits_from_vr): Likewise.
        (extract_range_from_multiplicative_op_1): Likewise.
        (extract_range_from_binary_expr_1): Likewise.
        (extract_range_from_unary_expr): Likewise.
        (extract_range_from_comparison): Likewise.
        (extract_range_basic): Likewise.
        (adjust_range_with_scev): Likewise.
        (compare_ranges): Likewise.
        (compare_range_with_value): Likewise.
        (dump_value_range): Likewise.
        (test_for_singularity): Likewise, remove strict_overflow_p parameter
        never used.
        (simplify_cond_using_ranges): Adjust.

2017-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>

        * brig-builtins.def: Added a builtin for class_f64.
        * builtin-types.def: Added a builtin type needed by class_f64.

2017-05-03  Jason Merrill  <jason@redhat.com>

        * timevar.def: Add TV_CONSTEXPR.

2017-05-03  David Malcolm  <dmalcolm@redhat.com>

        * common.opt (fdiagnostics-parseable-fixits): Fix typo.

2017-05-03  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.c (ipa_update_after_lto_read): Removed.
        * ipa-prop.h (ipa_update_after_lto_read): Remove declaration.
        * ipa-cp.c (ipcp_propagate_stage): Do not call
        ipa_update_after_lto_read.
        * ipa-inline.c (ipa_inline): Likewise.

2017-05-03  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.h (ipa_edge_args): Make a class.  Mark with for_user GTY
        tag.  Added a default constructor and a destructor.
        (ipa_edge_args_sum_t): New class;
        (ipa_edge_args_sum): Declare.
        (ipa_edge_args_vector): Remove declaration.
        (IPA_EDGE_REF): Use ipa_edge_args_sum.
        (ipa_free_edge_args_substructures): Remove declaration.
        (ipa_check_create_edge_args): Use ipa_edge_args_sum.
        (ipa_edge_args_info_available_for_edge_p): Likewise.
        * ipa-prop.c (ipa_edge_args_vector): Removed.
        (edge_removal_hook_holder): Likewise.
        (edge_duplication_hook_holder): Likewise.
        (ipa_edge_args_sum): New variable.
        (ipa_propagate_indirect_call_infos): Test ipa_edge_args_sum instead of
        ipa_edge_args_vector.
        (ipa_free_edge_args_substructures): Likewise.
        (ipa_free_all_edge_args): Free ipa_edge_args_sum instead of
        ipa_edge_args_vector.
        (ipa_edge_removal_hook): Turned into method
        ipa_edge_args_sum_t::remove.
        (ipa_edge_duplication_hook): Turned into method
        ipa_edge_args_sum_t::duplicate.
        (ipa_register_cgraph_hooks): Create ipa_edge_args_sum instead of
        registering edge hooks.
        (ipa_unregister_cgraph_hooks): Do not unregister edge hooks.
        * ipa-inline-analysis.c (estimate_function_body_sizes): Test
        ipa_edge_args_sum instead of ipa_edge_args_vector.
        * ipa-profile.c (ipa_profile): Likewise.

2017-05-03  Martin Jambor  <mjambor@suse.cz>

        * symbol-summary.h (function_summary): New method exists.
        (function_summary::symtab_removal): Deallocate through release.
        (call_summary): New class.
        (gt_ggc_mx): New overload.
        (gt_pch_nx): Likewise.
        (gt_pch_nx): Likewise.

2017-05-03  Jeff Law  <law@redhat.com>

        PR tree-optimization/78496
        * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
        from simplify_cond_using_ranges.  Split off code to walk
        backwards through casts into ...
        (simplify_cond_using_ranges_2): New function.
        (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
        (execute_vrp): After identifying jump threads, call
        simplify_cond_using_ranges_2.

2017-05-03  Jan Hubicka  <hubicka@ucw.cz>

        PR bootstrap/80609
        * ipa-inline.h (inline_summary): Add ctor.
        (create_ggc): Do not use ggc_cleared_alloc.

2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
            Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * gcc.c (handle_braces): Support escaping in switch matching
        text.
        * doc/invoke.texi (Spec Files): Document it.
        Remove superfluous @code markup in items.

2017-05-03  David Malcolm  <dmalcolm@redhat.com>

        * diagnostic-show-locus.c (struct column_range): New struct.
        (get_affected_columns): New function.
        (get_printed_columns): New function.
        (struct correction): New struct.
        (correction::ensure_capacity): New function.
        (correction::ensure_terminated): New function.
        (struct line_corrections): New struct.
        (line_corrections::~line_corrections): New dtor.
        (line_corrections::add_hint): New function.
        (layout::print_trailing_fixits): Reimplement in terms of the new
        classes.
        (selftest::test_overlapped_fixit_printing): New function.
        (selftest::diagnostic_show_locus_c_tests): Call it.

2017-05-03  Nathan Sidwell  <nathan@acm.org>

        Canonicalize canonical type hashing
        * tree.h (type_hash_canon_hash): Declare.
        * tree.c (type_hash_list, attribute_hash_list): Move into
        type_hash_canon_hash.
        (build_type_attribute_qual_variant): Break out hash code calc into
        type_hash_canon_hash.
        (type_hash_canon_hash): New.  Generic type hash computation.
        (build_range_type_1, build_array_type_1, build_function_type,
        build_method_type_directly, build_offset_type, build_complex_type,
        make_vector_type): Call it.

2017-05-03  Richard Biener  <rguenther@suse.de>

        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
        When all DRs have unknown misaligned do not always peel
        when there is a store but apply the same costing model as if
        there were only loads.

2017-05-03  Richard Biener  <rguenther@suse.de>

        Revert
        PR tree-optimization/80492
        * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
        compare_base_decls returning dont-know properly.

2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/iterators.md (CCSI): New mode iterator.
        (arch): New mode attribute.
        * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
        (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
        (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
        code iterator for success result mode.
        * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
        the corresponding new insn generators.

2017-05-03  Bin Cheng  <bin.cheng@arm.com>

        Revert r247509
        2017-05-02  Bin Cheng  <bin.cheng@arm.com>
        * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.

2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>

        * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
        (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
        (DDR_A): Wrap DDR argument in brackets.
        (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
        (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
        (DDR_REVERSED_P): Likewise.

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

        PR tree-optimization/79472
        * tree-switch-conversion.c (struct switch_conv_info): Add
        contiguous_range and default_case_nonstandard fields.
        (collect_switch_conv_info): Compute contiguous_range and
        default_case_nonstandard fields, don't clear final_bb if
        contiguous_range and only the default case doesn't have the required
        structure.
        (check_all_empty_except_final): Set default_case_nonstandard instead
        of failing if contiguous_range and the default case doesn't have empty
        block.
        (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
        and only the default case doesn't have the required constants.  Skip
        virtual phis.
        (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
        if default_case_nonstandard.
        (build_constructors): Build constant 1 just once.  Assert that default
        values aren't inserted in between cases if contiguous_range.  Skip
        virtual phis.
        (build_arrays): Skip virtual phis.
        (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
        (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
        Handle virtual phis.
        (gen_inbound_check): Handle default_case_nonstandard case.
        (process_switch): Adjust check_final_bb caller.  Call
        gather_default_values with the first non-default case instead of
        default case if default_case_nonstandard.

2017-05-02  Nathan Sidwell  <nathan@acm.org>

        * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
        check.  Fix formatting.

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

        * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
        errors when comparing specialized and unspecialized times.

2017-05-02  David Malcolm  <dmalcolm@redhat.com>

        * diagnostic-show-locus.c
        (layout::should_print_annotation_line_p): Make private.
        (layout::print_annotation_line): Make private.
        (layout::annotation_line_showed_range_p): Make private.
        (layout::show_ruler): Make private.
        (layout::print_source_line): Make private.  Pass in line and
        line_width, rather than calling location_get_source_line.  Drop
        returned value.
        (layout::print_leading_fixits): New method.
        (layout::print_any_fixits): Rename to...
        (layout::print_trailing_fixits): ...this, and make private.
        Don't print newline fixits.
        (diagnostic_show_locus): Move logic for printing one row into...
        (layout::print_line): ...this new function.  Move the
        location_get_source_line call and error-handling from
        print_source_line to here.  Call print_leading_fixits, and rename
        print_any_fixits to print_trailing_fixits.
        (selftest::test_fixit_insert_containing_newline): Update now that
        newlines are partially supported.
        (selftest::test_fixit_insert_containing_newline_2): New test.
        (selftest::test_fixit_replace_containing_newline): Update comments.
        (selftest::diagnostic_show_locus_c_tests): Call the new test.
        * edit-context.c (class added_line): New class.
        (class edited_line): Describe newline handling in comment.
        (edited_line::actually_edited_p): New method.
        (edited_line::print_content): Delete redundant decl.
        (edited_line::m_predecessors): New field.
        (edited_file::print_content): Call edited_line::print_content.
        (edited_file::print_diff): Update to support newlines.
        (edited_file::print_diff_hunk): Likewise.
        (edited_file::print_run_of_changed_lines): New function.
        (edited_file::print_diff_line): Convert to...
        (print_diff_line): ...this.
        (edited_file::get_effective_line_count): New function.
        (edited_line::edited_line): Initialize new field m_predecessors.
        (edited_line::~edited_line): Clean up m_predecessors.
        (edited_line::apply_fixit): Handle newlines.
        (edited_line::get_effective_line_count): New function.
        (edited_line::print_content): New function.
        (edited_line::print_diff_lines): New function.
        (selftest::test_applying_fixits_insert_containing_newline): New
        test.
        (selftest::test_applying_fixits_replace_containing_newline): New
        test.
        (selftest::insert_line): New function.
        (selftest::test_applying_fixits_multiple_lines): Add example of
        inserting a line.
        (selftest::edit_context_c_tests): Call the new tests.

2017-05-02  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
        parameter cand.  Update dump information.
        (get_computation_cost): Update uses.

2017-05-02  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
        (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
        (get_computation_at, rewrite_use_address): Update use of
        get_computation_aff.

2017-05-02  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
        (get_computation): Delete.
        (get_computation_cost): Implement like get_computation_cost_at.
        Use get_computation_at.
        (get_computation_cost_at): Delete.
        (rewrite_use_nonlinear_expr): Use get_computation_at.
        (rewrite_use_compare, remove_unused_ivs): Ditto.

2017-05-02  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.

2017-05-02  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
        (ivopts_global_cost_for_size): Rename parameter and update uses.
        (iv_ca_recount_cost): Update uses.
        (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
        candidates seperately in n_invs and n_cands.
        (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.

2017-05-02  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
        (find_inv_vars_cb): New.
        (find_depends): Renamed to ...
        (find_inv_vars): ... this.
        (add_candidate_1, force_var_cost): Call find_inv_vars.
        (split_address_cost, determine_group_iv_cost_cond): Ditto.

2017-05-02  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
        inv_vars.  Add inv_exprs.
        (struct iv_cand): Rename depends_on to inv_vars.
        (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
        max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
        Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
        (dump_cand): Dump inv_vars.
        (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
        (record_invariant, find_depends, add_candidate_1): Ditto.
        (set_group_iv_cost, force_var_cost): Ditto.
        (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
        (get_computation_cost_at, get_computation_cost): Ditto.
        (determine_group_iv_cost_generic): Ditto.
        (determine_group_iv_cost_address): Ditto.
        (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
        (determine_group_iv_costs): Ditto.
        (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
        (iv_ca_set_remove_invariants): Renamed to ...
        (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
        (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
        (iv_ca_set_add_invariants):  Renamed to ...
        (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
        (iv_ca_set_cp): Use iv_ca_set_add_invs.
        (iv_ca_has_deps): Support inv_vars and inv_exprs.
        (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
        (create_new_ivs): Remove useless dump.

2017-05-02  Bin Cheng  <bin.cheng@arm.com>

        * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
        iv_cand code.
        (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
        (iv_ca_set_no_cp, create_new_iv): Ditto.

2017-05-02  Bin Cheng  <bin.cheng@arm.com>

        * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.

2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>

        * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
        function tree_check2.

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

        * doc/gcov.texi: Add missing preposition.
        * gcov.c (function_info::function_info): Properly fill up
        all member variables.

2017-05-02  Tamar Christina  <tamar.christina@arm.com>

        * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.

2017-05-02  Tamar Christina  <tamar.christina@arm.com>

        * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.

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

        PR lto/77954.
        * lto-streamer-in.c (lto_read_tree_1): Remove
        LTO_STREAMER_DEBUG.
        * lto-streamer.c (struct tree_hash_entry): Likewise.
        (struct tree_entry_hasher): Likewise.
        (tree_entry_hasher::hash): Likewise.
        (tree_entry_hasher::equal): Likewise.
        (lto_streamer_init): Likewise.
        (lto_orig_address_map): Likewise.
        (lto_orig_address_get): Likewise.
        (lto_orig_address_remove): Likewise.
        * lto-streamer.h: Likewise.
        * tree-streamer-in.c (streamer_alloc_tree): Likewise.
        * tree-streamer-out.c (streamer_write_tree_header): Likewise.

2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>

        * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
        (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
        (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
        (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
        (mm_maskz_sub_round_ss, _mm_mask_add_sd)
        (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
        (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
        (mm_maskz_sub_ss): New intrinsics.
        * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
        (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
        * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
        (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
        (__builtin_ia32_subss_mask_round): New builtins.
        * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
        (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
        * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
        Renamed to ...
        (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
        (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
        Changed to ...
        (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
        ... this.

2017-05-02  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/78687
        * tree-sra.c (access): New field parent.
        (process_subtree_disqualification): New function.
        (disqualify_candidate): Call it.
        (build_accesses_from_assign): Reset write flag if creating an
        assighnment link.
        (build_access_subtree): Fill in parent field and also prpagate
        down grp_write flag.
        (create_artificial_child_access): New parameter set_grp_write, set
        grp_write to its value.
        (propagate_subaccesses_across_link): Also propagate grp_write flag
        values.
        (propagate_all_subaccesses): Push the closest parent back to work
        queue if add_access_to_work_queue returned true.

2017-05-02  Richard Biener  <rguenther@suse.de>

        * common.opt (fstrict-overflow): Alias negative to fwrapv.
        * doc/invoke.texi (fstrict-overflow): Remove all traces of
        -fstrict-overflow documentation.
        * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
        (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
        flag_strict_overflow.
        * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
        * lto-opts.c (lto_write_options): Do not stream it.
        * lto-wrapper.c (merge_and_complain): Do not handle it.
        * opts.c (default_options_table): Do not set -fstrict-overflow.
        (finish_options): Likewise do not clear it when sanitizing.
        * simplify-rtx.c (simplify_const_relational_operation): Do not
        test flag_strict_overflow.

2017-05-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
        using enabled attribute.
        (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
        (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
        (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
        (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
        (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
        (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
        (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
        (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
        (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
        (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.

2017-05-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.

2017-05-02  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80591
        Revert
        2017-04-10  Richard Biener  <rguenther@suse.de>

        * tree-ssa-structalias.c (find_func_aliases): Properly handle
        asm inputs.

2017-05-02  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80549
        * tree-cfgcleanup.c (mfb_keep_latches): New helper.
        (cleanup_tree_cfg_noloop): Create forwarders to known loop
        headers if they do not have a preheader.

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

        PR other/80589
        * common.opt: Fix typo.
        * doc/invoke.texi: Likewise.

2017-05-01  Jan Beulich  <jbeulich@suse.com>

        * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
        swapping, add (x,x,m,x,n) alternative.

2017-05-01  Nathan Sidwell  <nathan@acm.org>

        * calls.c (combine_pending_stack_adjustment_and_call): Remove
        unnecessary unadjusted_alignment check.

2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>

        PR c++/80038
        * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
        operations here.
        * gimplify.c (gimplify_cilk_detach): New function.
        (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
        * tree-core.h: Document EXPR_CILK_SPAWN.
        * tree.h (EXPR_CILK_SPAWN): Define.

2017-05-01  David Malcolm  <dmalcolm@redhat.com>

        * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
        to use new fixit_hint representation, using the "replace" logic.
        (get_line_span_for_fixit_hint): Likewise.
        (layout::print_any_fixits): Likewise.
        (selftest::test_one_liner_many_fixits): Rename to...
        (selftest::test_one_liner_many_fixits_1): ...this, and update
        comment and expected output to reflect that the multiple fix-it
        hints are now consolidated into one insertion.
        (selftest::test_one_liner_many_fixits_2): New test.
        (selftest::test_diagnostic_show_locus_one_liner): Update for
        above.
        (selftest::test_fixit_consolidation): Update for fix-it API
        change.
        * diagnostic.c (print_parseable_fixits): Likewise.
        * edit-context.c (edited_line::m_line_events): Convert from
        auto_vec <line_event *> to auto_vec <line_event>.
        (class line_event): Convert from abstract base class to a concrete
        class, taking over the role of replace_event.
        (class insert_event): Delete.
        (class replace_event): Rename to class line_event.  Convert to
        half-open range.
        (edit_context::add_fixits): Reimplement.
        (edit_context::apply_insert): Delete.
        (edit_context::apply_replace): Rename to...
        (edit_context::apply_fixit): ...this.  Convert to half-open range.
        (edited_file::apply_insert): Delete.
        (edited_file::apply_replace): Rename to...
        (edited_file::apply_fixit): ...this.
        (edited_line::~edited_line): Drop deletion of events.
        (edited_line::apply_insert): Delete.
        (edited_line::apply_replace): Rename to...
        (edited_line::apply_fixit): ...this.  Convert to half-open range.
        Update for change to type of m_line_events.
        * edit-context.h (edit_context::apply_insert): Delete.
        (edit_context::apply_replace): Rename to...
        (edit_context::apply_fixit): ...this.

2017-05-01  Martin Sebor  <msebor@redhat.com>

        * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
        known.

2017-05-01  Uros Bizjak  <ubizjak@gmail.com>

        PR target/68491
        * config/i386/cpuid.h (__get_cpuid): Always return 0 when
        __get_cpuid_max returns 0.
        (__get_cpuid_count): Ditto.

2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
        replacement expression is another instance of one of its arguments.

2017-05-01  Jakub Jelinek  <jakub@redhat.com>

        PR target/79430
        * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
        check for stack push/pop autoinc.
        * config/i386/i386.c (ix86_agi_dependent): Return false
        if the only reason why modified_in_p returned true is that
        addr is SP based and set_insn is a push or pop.

2017-04-29  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
        overflow check.

2017-04-29  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/79224
        * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
        (account_size_time): Use two predicates - exec_pred and
        nonconst_pred_ptr.
        (evaluate_conditions_for_known_args): Compute both clause and
        nonspec_clause.
        (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
        (inline_summary_t::duplicate): Update.
        (estimate_function_body_sizes): Caluculate exec and nonconst predicates
        separately.
        (compute_inline_parameters): Likewise.
        (estimate_edge_size_and_time): Update caluclation of time.
        (estimate_node_size_and_time): Compute both time and nonspecialized
        time.
        (estimate_ipcp_clone_size_and_time): Update.
        (inline_merge_summary): Update.
        (do_estimate_edge_time): Update.
        (do_estimate_edge_size): Update.
        (do_estimate_edge_hints): Update.
        (inline_read_section, inline_write_summary): Stream both new predicates.
        * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
        as argument.
        (compute_inlined_call_time): Cleanup.
        (big_speedup_p): Update.
        (edge_badness): Update.
        * ipa-inline.h (INLINE_TIME_SCALE): Remove.
        (size_time_entry): Replace predicate by exec_predicate and
        nonconst_predicate.
        (edge_growth_cache_entry): Cache both time nad nonspecialized time.
        (estimate_edge_time): Return also nonspec_time.
        (reset_edge_growth_cache): Update.

2017-04-29  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/80491
        * ifcvt.c (noce_process_if_block): When looking for x setter
        with missing else_bb, don't check only the insn right before
        cond_earliest, but look for the last insn that x is modified in
        within the same bb.

        PR rtl-optimization/80491
        * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.

2017-04-29  Marc Glisse  <marc.glisse@inria.fr>

        PR tree-optimization/80487
        * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.

2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        PR tree-optimization/79697
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
        is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
        (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
        BUILT_IN_STRNDUP.
        * gimple-fold.c (gimple_fold_builtin_realloc): New function.
        (gimple_fold_builtin): Call gimple_fold_builtin_realloc.

2017-04-28  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/80523
        * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
        (init_target_to_host_charmap, target_to_host, target_strtol10): New
        functions.
        (maybe_warn, format_directive, parse_directive): Use new functions.
        (pass_sprintf_length::execute): Call init_target_to_host_charmap.

2017-04-28  Marc Glisse  <marc.glisse@inria.fr>

        * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.

2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
        target_header_dir): Set correctly.
        * configure: Regenerated.
        * 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.

2017-04-28  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
        (estimate_local_effects): Likewise.
        * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
        edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
        * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
        estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
        do_estimate_edge_time, estimate_edge_time): Likewise.
        * ipa-inline-analysis.c (estimate_node_size_and_time,
        estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
        (estimate_time_after_inlining): Remove.

2017-04-28  Martin Liska  <mliska@suse.cz>

        * doc/gcov.texi: Enhance documentation of gcov.

2017-04-28  Martin Liska  <mliska@suse.cz>

        * doc/gcov.texi: Sort options in alphabetic order.
        * doc/gcov-dump.texi: Likewise.
        * doc/gcov-tool.texi: Likewise.
        * gcov.c (print_usage): Likewise.
        * gcov-dump.c (print_usage): Likewise.
        * gcov-tool.c (print_merge_usage_message): Likewise.
        (print_rewrite_usage_message): Likewise.
        (print_overlap_usage_message): Likewise.

2017-04-28  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/53915
        * gcov.c (format_gcov): Print 'NAN %' when top > bottom.

2017-04-28  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/79891
        * gcov.c (add_line_counts): Assign BBs to lines just if the BB
        is marked by compiler as living on a line.
        (get_cycles_count): Remove usage of the union.
        (output_intermediate_file): Likewise.
        (find_source): Fix GNU coding style.
        (accumulate_line_counts): Remove old non-all block mode.
        (output_lines): Remove usage of the union.
        * profile.c (output_location): Include all BBs, even if
        belonging to a same line (and file) as a previous BB.

2017-04-28  Martin Liska  <mliska@suse.cz>

        * gcov.c (process_args): Handle new argument 'w'.
        (read_graph_file): Assign ID to BBs.
        (output_branch_count): Display BB # if verbose flag is set.
        (output_lines): Likewise for arcs.
        (print_usage): Add '--verbose' option help.
        * doc/gcov.texi: Document --verbose (-w) option.

2017-04-28  Martin Liska  <mliska@suse.cz>

        * gcov.c (struct block_location_info): New struct.
        (process_file): Fill up the new structure.
        (read_graph_file): Replace usage of encoding by the newly added
        struct.
        (add_line_counts): Likewise.
        (accumulate_line_counts): Remove usage of the union.
        (function_info::function_info): New function.
        (function_info::~function_info): Likewise.
        (process_file): Call delete instead of release_function.
        (release_function): Release the function.
        (release_structures): Call delete instead of release_function.
        (solve_flow_graph): Replace usage of num_blocks.
        (find_exception_blocks): Likewise.
        (output_lines): Fix GNU coding style.

2017-04-28  Martin Liska  <mliska@suse.cz>

        PR driver/56469
        * coverage.c (coverage_remove_note_file): New function.
        * coverage.h: Declare the function.
        * toplev.c (finalize): Clean if an error has been seen.

2017-04-28  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/80031
        * gcov-dump.c (tag_blocks): Just print number of basic blocks.
        * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
        * gcov.c (read_graph_file): Read just number of blocks.
        * profile.c (branch_prob): Do not stream 0 flags per a basic
        block.

2017-04-28  Martin Liska  <mliska@suse.cz>

        * gcov-dump.c (tag_*): Add new argument to declarations.
        (dump_gcov_file): Likewise.
        (tag_blocks): Add and use new argument depth.
        (tag_arcs): Likewise.
        (tag_lines): Likewise.
        (tag_counters): Likewise.
        (tag_summary): Likewise.
        (dump_working_sets): Use depth to do a proper indentation.

2017-04-28  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/80531
        * cgraph.h (symtab_node::debug_symtab): No longer inline.
        * symtab.c (symtab_node::debug_symtab): Move definition here.

2017-04-28  Richard Biener  <rguenther@suse.de>

        * lto-streamer.h (LTO_major_version): Bump to 7.

2017-04-28  Richard Biener  <rguenther@suse.de>

        * tree-vrp.c (assert_info): New struct.
        (add_assert_info): New helper.
        (register_edge_assert_for_2): Refactor to add asserts to a vector
        of assert_info.
        (register_edge_assert_for_1): Likewise.
        (register_edge_assert_for): Likewise.
        (finish_register_edge_assert_for): New helper actually registering
        asserts where live on edge.
        (find_conditional_asserts): Adjust.
        (find_switch_asserts): Likewise.
        (evrp_dom_walker::try_find_new_range): Generalize.
        (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.

2017-04-27  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/80349
        * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
        arg10 and arg11 to itype.

2017-04-27  Jonathan Wakely  <jwakely@redhat.com>

        * doc/extend.texi (Object Size Checking): Improve grammar.

2017-04-27  Richard Earnshaw  <rearnsha@arm.com>

        PR target/80530
        * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
        that the logic for permitting reciprocal estimates matches that
        in use_rsqrt_p.

2017-04-27  Jakub Jelinek  <jakub@redhat.com>

        PR c++/80534
        * tree.c (type_cache_hasher::equal): Only compare
        TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
        (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
        non-aggregate element types.
        * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
        about the flag on ARRAY_TYPEs in the comment, formatting fix.

2017-04-27  Richard Biener  <rguenther@suse.de>

        PR middle-end/80533
        * emit-rtl.c (set_mem_attributes_minus_bitpos): When
        stripping ARRAY_REFs from MEM_EXPR make sure we're not
        keeping a reference to a trailing array.

2017-04-27  Richard Biener  <rguenther@suse.de>

        PR middle-end/80539
        * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
        being in loop-closed SSA form conservatively.
        (chrec_fold_multiply_poly_poly): Likewise.

2017-04-27  Tamar Christina  <tamar.christina@arm.com>

        PR middle-end/79665
        * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
        CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.

2017-04-27  Jakub Jelinek  <jakub@redhat.com>

        PR target/77728
        * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
        (aarch64_function_arg_alignment): Return unsigned int again, but still
        ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
        (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
        Don't emit -Wpsabi note.
        (aarch64_function_arg_boundary): Likewise.
        (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
        caller.

2017-04-26  Nathan Sidwell  <nathan@acm.org>

        * tree.h (crc32_unsigned_n): Declare.
        (crc32_unsigned, crc32_unsigned): Make inline.
        * tree.c (crc32_unsigned_bits): Replace with ...
        (crc32_unsigned_n): ... this.
        (crc32_unsigned, crc32_byte): Remove.
        (crc32_string): Remove unnecessary braces.

2017-04-25  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-cp.c (estimate_local_effects): Convert sreal to int.
        * ipa-inline-analysis.c (MAX_TIME): Remove.
        (account_size_time): Use sreal for time.
        (dump_inline_summary): Update.
        (estimate_function_body_sizes): Update.
        (estimate_edge_size_and_time): Update.
        (estimate_calls_size_and_time): Update.
        (estimate_node_size_and_time): Update.
        (inline_merge_summary): Update.
        (inline_update_overall_summary): Update.
        (estimate_time_after_inlining): Update.
        (inline_read_section): Update.
        (inline_write_summary): Update.
        * ipa-inline.c (compute_uninlined_call_time): Update.
        (compute_inlined_call_time): Update.
        (recursive_inlining): Update.
        (inline_small_functions): Update.
        (dump_overall_stats): Update.
        * ipa-inline.h: Include sreal.h.
        (size_time_entry): Turn time to sreal.
        (inline_summary): Turn self_time nad time to sreal.

2017-04-25  Jan Hubicka  <hubicka@ucw.cz>

        * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
        data-streamer.h
        (sreal::stream_out, sreal::stream_in): New.
        * sreal.h (sreal::stream_out, sreal::stream_in): Declare.

2017-04-25  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
        environment.

2017-04-25  Uros Bizjak  <ubizjak@gmail.com>

        PR target/70799
        * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
        Handle ASHIFTRT.
        (dimode_scalar_chain::compute_convert_gain): Ditto.
        (dimode_scalar_chain::make_vector_copies): Ditto.
        (dimode_scalar_chain::convert_reg): Ditto.
        (dimode_scalar_chain::convert_insn): Ditto.
        * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
        (VI248_AVX512BW_1): New mode iterator.
        (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
        <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
        mode iterator.

2017-04-25  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/80497
        * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
        constants are representable in HOST_WIDE_INT.
        (parse_directive): Ditto.

2017-04-25  Martin Sebor  <msebor@redhat.com>

        PR bootstrap/80486
        * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
        (new_zero_array): Adjust signature.
        (dom_info::dom_init): Used unsigned rather that size_t.
        (dom_info::dom_info): Same.

2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/77728
        * config/arm/arm.c: Include gimple.h.
        (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
        returns negative, increment ncrn only if it returned positive.
        (arm_needs_doubleword_align): Return int instead of bool,
        ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
        members, but if there is any such non-FIELD_DECL
        > PARM_BOUNDARY aligned decl, return -1 instead of false.
        (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
        returns negative, increment nregs only if it returned positive.
        (arm_setup_incoming_varargs): Likewise.
        (arm_function_arg_boundary): Emit -Wpsabi note if
        arm_needs_doubleword_align returns negative, return
        DOUBLEWORD_ALIGNMENT only if it returned positive.

2017-04-25  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/80349
        * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
        first argument to type.

2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>

        PR target/80482
        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
        type checks to test for compatibility instead of equality.

2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/77728
        * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
        type.
        (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
        struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
        the alignment computation, but return their maximum in warn_alignment.
        (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
        Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
        is smaller.
        (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
        (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
        caller.

2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/simdext.md (dmpyh): Fix typo.

2017-04-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80492
        * alias.c (compare_base_decls): Handle registers with asm
        specification conservatively.
        * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
        compare_base_decls returning dont-know properly.

2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
        (legitimate_offset_address_p): New function.
        (arc_legitimate_address_p): Use above function.

2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.

2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
        ACCH registers whenever they are available.

2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
        double regs fix when not used.

2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
        core registers.
        (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
        (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.

2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_output_addsi): Check for h-register class
        when emitting short ADD instructions.

2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
        constraint.
        (cmpsi_cc_c_insn): Likewise.
        (cbranchsi4_scratch): Compute proper instruction length using
        compact_hreg_operand.
        * config/arc/predicates.md (compact_hreg_operand): New predicate.

2017-04-25  Richard Biener  <rguenther@suse.de>

        PR middle-end/80509
        * passes.c (pass_manager::pass_manager): Initialize
        m_name_to_pass_map.

2017-04-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79201
        * tree-ssa-sink.c (statement_sink_location): Handle calls.

2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        PR target/80464
        * config/s390/vector.md: Split MEM->GPR vector moves for
        non-s_operand addresses.

2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        PR target/79895
        * config/s390/predicates.md (reload_const_wide_int_operand): New
        predicate.
        * config/s390/s390.md ("movti"): Remove d/P alternative.
        ("movti_bigconst"): New pattern definition.

2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        PR target/80080
        * s390-protos.h (s390_expand_cs_hqi): Removed.
        (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
        * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
        modes as well as CCZ1mode and CCZmode.
        (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
        signature of s390_emit_compare_and_swap.
        (s390_expand_cs_hqi): Likewise, make static.
        (s390_expand_cs_tdsi): Generate an explicit compare before trying
        compare-and-swap, in some cases.
        (s390_expand_cs): Wrapper function.
        (s390_expand_atomic_exchange_tdsi): New backend specific expander for
        atomic_exchange.
        (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
        * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
        patterns for small and large integers.  Forbid symref memory operands.
        Move expander to s390.c.  Require cc register.
        ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
        ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
        ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
        ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
        symref memory operands.  Remove CC mode and call s390_match_ccmode
        instead.
        ("atomic_exchange<mode>"): Allow and implement all integer modes.

2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.md (define_peephole2): New peephole to help
        combining the load-and-test pattern with volatile memory.

2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
        with CCZmode for TARGET_Z196.

2017-04-25  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/80501
        * combine.c (make_compound_operation_int): Set subreg_code to SET
        even for AND with mask of the sign bit of mode.

        PR rtl-optimization/80500
        * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
        sum's initial value.

2017-04-25  Julian Brown  <julian@codesourcery.com>
            Naveen H.S  <Naveen.Hurugalawadi@cavium.com>

        * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.

2017-04-25  Marc Glisse  <marc.glisse@inria.fr>

        * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.

2017-04-25  Julian Brown  <julian@codesourcery.com>
            Naveen H.S  <Naveen.Hurugalawadi@cavium.com>

        * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
        (thunderx2t99_sha): New Reservation.

2017-04-25  Julian Brown  <julian@codesourcery.com>
            Naveen H.S  <Naveen.Hurugalawadi@cavium.com>

        * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
        type for 1-element load.

2017-04-24  Marc Glisse  <marc.glisse@inria.fr>

        * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.

2017-04-24  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/80293
        * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
        char arrays not totally scalarizable if it is false.
        (analyze_all_variable_accesses): Pass correct value in the new
        parameter.  Add a statistics counter.

2017-04-24  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/79931
        * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.

2017-04-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80494
        * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
        out for complex types.

2017-04-24  Richard Biener  <rguenther@suse.de>

        * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
        * tree-ssa-sccvn.c (print_scc): Print SCC size.
        (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
        (DFS): Adjust and never fail.
        (sccvn_dom_walker::fail): Remove.
        (sccvn_dom_walker::before_dom_children): Adjust.
        (run_scc_vn): Likewise and never fail.
        * tree-ssa-pre.c (pass_pre::execute): Adjust.
        (pass_fre::execute): Likewise.

2017-04-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79725
        * tree-ssa-sink.c (statement_sink_location): Return whether
        failure reason was zero uses.  Move that check later.
        (sink_code_in_bb): Deal with zero uses by removing the stmt
        if possible.

2017-04-24  Richard Biener  <rguenther@suse.de>

        PR c++/2972
        * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
        pointer-based references.

2017-04-24  Richard Biener  <rguenther@suse.de>

        PR bootstrap/79814
        * pass_manager.h (pass_manager::operator new): Remove.
        (pass_manager::operator delete): Likewise.
        * passes.c (pass_manager::operator new): Remove.
        (pass_manager::operator delete): Likewise.
        (pass_manager::pass_manager): Zero individual pass members.

2017-04-23  Uros Bizjak  <ubizjak@gmail.com>

        PR target/70799
        * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
        <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
        Check "XEXP (src, 1)" operand here.
        <case PLUS, case MINUS, case IOR, case XOR, case AND>:
        Check "XEXP (src, 1)" operand here.
        (dimode_scalar_chain::make_vector_copies): Detect count register
        of a shift instruction.  Zero extend count register from QImode
        to DImode to satisfy vector shift pattern count operand predicate.
        Substitute vector shift count operand with a DImode copy.
        (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
        vector register.

2017-04-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
        Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
        (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
        UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
        (UNSPEC_NOREX_MEM): Remove definition.

2017-04-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79547
        * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
        Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
        bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
        without any constraints.

2017-04-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/78847
        * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.

2017-04-21  Richard Biener  <rguenther@suse.de>

        * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
        (build_distinct_type_copy): Likewise.
        (build_variant_type_copy): Likewise.
        * tree.c (build_qualified_type): Pass down mem-stat info.
        (build_distinct_type_copy): Likewise.
        (build_variant_type_copy): Likewise.

2017-04-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80237
        * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
        defaulted to NULL.
        (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
        for a simplified result.

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

        * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
        sth as strict as a simple_iv but a chrec without symbols and an
        operand defined in the loop we are peeling (and not some subloop).
        (propagate_constants_for_unrolling): Propagate all constants.

2017-04-20  Uros Bizjak  <ubizjak@gmail.com>

        PR target/79804
        * config/i386/i386.c (print_reg): Remove assert for disalowed
        regno values, call output_operand_lossage instead.

2017-04-20  Uros Bizjak  <ubizjak@gmail.com>

        PR target/78090
        * config/i386/constraints.md (Yc): New register constraint.
        * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
        Use Yc constraint for alternative 2 of operand 0.  Remove
        preferred_for_speed attribute.

2017-04-20  Alexander Monakov  <amonakov@ispras.ru>

        * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
        lastprivate clauses in SIMT case.

2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>

        * doc/invoke.texi (-Wextra-semi): Document new warning option.

2017-04-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/57796
        * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
        as N scalar stores.
        (vect_model_load_cost): Cost gathers as N scalar loads.

2017-04-20  Richard Biener  <rguenther@suse.de>

        * ggc-page.c (ggc_allocated_p): Rename to ...
        (safe_lookup_page_table_entry): ... this and return the lookup
        result.
        (gt_ggc_m_S): Use safe_lookup_page_table_entry.

2017-04-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80453
        * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
        * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
        from the conditions.
        (vn_phi_eq): Pass them down.
        (vn_phi_lookup): Record them.
        (vn_phi_insert): Likewise.

2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>

        * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
        uninitialized variable warning to avoid buffer overrun.

2017-04-20  Alexander Monakov  <amonakov@ispras.ru>

        PR other/71250
        * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
        is suppressed for '{ 0 }' in C.

2017-04-20  Jakub Jelinek  <jakub@redhat.com>

        * BASE-VER: Set to 8.0.0.

2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
        priority .init_array and .fini_array section with SECTION_NOTYPE
        flag.

2017-04-20  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/80423
        * tree.h (build_array_type): Add typeless_storage default argument.
        * tree.c (type_cache_hasher::equal): Also compare
        TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
        (build_array_type): Add typeless_storage argument, set
        TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
        recursive call.
        (build_nonshared_array_type): Adjust build_array_type_1 caller.
        (build_array_type): Likewise.  Add typeless_storage argument.

2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/80426
        * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
        operation on symbolic operands, also compute the overflow for the
        invariant part when the operation degenerates into a negation.

2017-04-19  Jakub Jelinek  <jakub@redhat.com>

        PR debug/80461
        * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
        Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.

        PR debug/80436
        * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.

2017-04-19  Georg-Johann Lay  <avr@gjlay.de>

        PR target/80462
        * config/avr/avr.c (tree.h): Include it.
        (cgraph.h): Include it.
        (avr_encode_section_info): Don't warn for uninitialized progmem
        variable if it's just an alias.

2017-04-19  Richard Biener  <rguenther@suse.de>

        PR ipa/65972
        * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
        when needed by AutoPGO.

2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>

        PR lto/50345
        * doc/lto.texi: Remove an extra 'that'.

2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/80429
        * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
        are only used in debug insns.

2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
            Vladimir Makarov  <vmakarov@redhat.com>

        * config/sparc/predicates.md (input_operand): Add comment.  Return
        true for any memory operand when LRA is in progress.
        * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.

2017-04-18  Jeff Law  <law@redhat.com>

        PR target/74563
        * mips.md ({return,simple_return}_internal): Do not overwrite
        operands[0].

2017-04-18  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/80443
        * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
        instead of adding 1, subtract -1 and similarly instead of subtracting
        1 add -1.

2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/80357
        * haifa-sched.c (tmp_bitmap): New variable.
        (model_recompute): Handle duplicate use records.
        (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
        (free_global_sched_pressure_data): Free it.

2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        Revert:
        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.

2017-04-18  Jeff Law  <law@redhat.com>

        PR middle-end/80422
        * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
        predecessors after walking up the insn chain.

2017-04-18  Jakub Jelinek  <jakub@redhat.com>

        PR debug/80263
        * dwarf2out.c (modified_type_die): Try harder not to emit internal
        sizetype type into debug info.

2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/80099
        * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
        unneeded test for TARGET_UPPER_REGS_SF.
        * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.

2017-04-18  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/80444
        * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
        instead of gsi_after_labels.

2017-04-18  Jeff Law  <law@redhat.com>

        * regcprop.c (maybe_mode_change): Avoid creating copies of the
        stack pointer.

        Revert:
        2017-04-13  Jeff Law  <law@redhat.com>
        * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
        in operands[1] if it is a MEM and TARGET_MIPS16 is active.

2017-04-18  Georg-Johann Lay  <avr@gjlay.de>

        PR target/79453
        * config/avr/avr.c (intl.h): Include it.
        (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().

2017-04-18  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/78783
        * gcov-tool.c (gcov_output_files): Validate that destination
        file is either removed by the tool or by a user.

2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
            Guy Benyei  <guybe@mellanox.com>

        * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
        block, and do not negate it, the stored id is already negative.

2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>

        * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.

2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/80098
        * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
        masks of options that should be turned off if the VSX vector
        options are turned off.
        (OTHER_P8_VECTOR_MASKS): Likewise.
        (OTHER_VSX_VECTOR_MASKS): Likewise.
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
        rs6000_disable_incompatible_switches to validate no type switches
        like -mvsx.
        (rs6000_incompatible_switch): New function to disallow turning on
        other vector options if -mno-vsx, -mno-power8-vector, or
        -mno-power9-vector are specified.

2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.

2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
        * config/arc/arc.c (arc_decl_pretend_args): Likewise.
        * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
        (ARG_POINTER_CFA_OFFSET): Likewise.

2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_mode_dependent_address_p): Relax
        conditions to take advantage of various optimizations.

2017-04-13  Jeff Law  <law@redhat.com>

        * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
        in operands[1] if it is a MEM and TARGET_MIPS16 is active.
        (zero_extendsidi2_dext): Likewise.

2017-04-13  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/80403
        * fold-const.c (fold_ternary_loc): Revert
        use op0 instead of fold_convert_loc (loc, type, arg0) part of
        2017-04-12 change.

2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/80343
        * lra-remat.c (update_scratch_ops): Assign original hard reg to
        new scratch pseudo.

2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>

        PR sanitizer/80414
        * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
        to ubsan_encode_value.

2017-04-13  Jeff Law  <law@redhat.com>

        * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
        appearing in DEBUG_INSNs.

2017-04-13  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/80413
        * gcov-io.c (gcov_write_string): Copy to buffer just when
        allocated size is greater than zero.

2017-04-13  Jakub Jelinek  <jakub@redhat.com>

        PR debug/80321
        * dwarf2out.c (decls_for_scope): Ignore declarations of
        current_function_decl in BLOCK_NONLOCALIZED_VARS.

2017-04-12  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/69953
        * ipa-visibility.c (non_local_p): Fix typos.
        (localize_node): When localizing symbol in same comdat group,
        dissolve the group only when we know external symbols are going
        to be privatized.
        (function_and_variable_visibility): Do not localize DECL_EXTERNAL.

2017-04-12  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/79390
        * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
        order does not result in usable sequence, retry with reversed operand
        order.

        PR sanitizer/80403
        PR sanitizer/80404
        PR sanitizer/80405
        * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
        to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
        op0 instead of fold_convert_loc (loc, type, arg0).

2017-04-12  Jeff Law  <law@redhat.com>

        * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
        has a delay slot in the generated code.

        * config/cris/cris.md (cris_preferred_reload_class): Return
        GENNONACR_REGS rather than GENERAL_REGS.

2017-04-12  Jakub Jelinek  <jakub@redhat.com>

        PR c/80163
        * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
        vs. ZERO_EXTEND based on signedness of treeop0's type rather than
        signedness of the result type.

2017-04-12  Richard Biener  <rguenther@suse.de>
            Jeff Law  <law@redhat.com>

        PR tree-optimization/80359
        * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
        trim stores to TARGET_MEM_REFs.

2017-04-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/79390
        * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
        threading case even more.

2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/80382
        * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
        for quad_address_p for TImode, instead of just not indexed_address.

2017-04-12  Richard Biener  <rguenther@suse.de>
            Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR middle-end/79671
        * alias.c (component_uses_parent_alias_set_from): Handle
        TYPE_TYPELESS_STORAGE.
        (get_alias_set): Likewise.
        * tree-core.h (tree_type_common): Add typeless_storage flag.
        * tree.h (TYPE_TYPELESS_STORAGE): New macro.
        * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
        for types containing members with TYPE_TYPELESS_STORAGE.
        (place_field): Likewise.
        (layout_type): Likewise for ARRAY_TYPE.
        * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
        * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
        TYPE_TYPELESS_STORAGE.
        * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.

2017-04-12  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/80349
        * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
        first argument to type.

2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR target/80376
        PR target/80315
        * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
        CONST0_RTX (mode) rather than const0_rtx where appropriate.
        (rs6000_expand_binop_builtin): Likewise.
        (rs6000_expand_ternop_builtin): Likewise; also add missing
        vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
        vshasigma built-ins.
        * doc/extend.texi: Document that vec_xxpermdi's third argument
        must be a constant.

2017-04-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
        Use shift_const cost parameter when calculating gain of STV shifts.

2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/70478
        * lra-constraints.c (process_alt_operands): Check memory for
        disfavoring memory insn operand.

2017-04-11  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/80100
        * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
        left shift in unsigned HOST_WIDE_INT type.

        PR rtl-optimization/80385
        * simplify-rtx.c (simplify_unary_operation_1): Don't transform
        (not (neg X)) into (plus X -1) for complex or non-integral modes.

        PR libgomp/80394
        * omp-low.c (scan_omp_task): Don't optimize away empty tasks
        if they have any depend clauses.

2017-04-11  Martin Liska  <mliska@suse.cz>

        PR ipa/80212
        * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
        * ipa-split.c (split_function): Create a local comdat symbol
        if caller is in a comdat group.

2017-04-11  Martin Liska  <mliska@suse.cz>

        PR ipa/80212
        * ipa-cp.c (determine_versionability): Handle calls_comdat_local
        flags.

2017-04-11  Martin Sebor  <msebor@redhat.com>

        PR middle-end/80364
        * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
        always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
        for INTEGER_TYPE.
        (directive::set_width, directive::set_precision, format_character):
        Adjust.
        (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
        INTEGER_TYPE.

2017-04-11  Richard Earnshaw  <rearnsha@arm.com>

        PR target/80389
        * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
        conflict, set target->arch_name instead of target->cpu_name.

2017-04-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80374
        * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
        build_zero_cst, remove fold_convertible_p check again.

2017-04-11  Martin Liska  <mliska@suse.cz>

        PR sanitizer/70878
        * ubsan.c (instrument_object_size): Do not instrument register
        variables.

2017-04-11  Jakub Jelinek  <jakub@redhat.com>

        PR target/80381
        * config/i386/i386-builtin-types.def
        (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
        V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
        V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
        V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
        V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
        V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
        V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
        V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
        V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
        V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
        V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
        V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
        V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
        V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
        V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
        V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
        V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
        V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
        * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
        __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
        __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
        __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
        __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
        __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
        __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
        __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
        __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
        __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
        __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
        __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
        __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
        __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
        __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
        __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
        __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
        __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
        __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
        __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
        __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
        __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
        __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
        __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
        __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
        __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
        __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
        __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
        aliases.
        * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
        flag to second_arg_count, handle 4 argument function type _COUNT
        aliases, handle second_arg_count on second argument rather than last.

2017-04-10  Jeff Law  <law@redhat.com>

        PR tree-optimization/80374
        * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
        record anything if we can not convert integer_zero_node to the
        desired type.

2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        PR target/80108
        * config/rs6000/rs6000.c (rs6000_option_override_internal):
        Enhance special handling given to the TARGET_P9_MINMAX option in
        relation to certain other options.

2017-04-10  Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/80153
        * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
        remove POINTER_PLUS_EXPR's base part directly, rather than through
        aff_tree.

2017-04-10  Richard Biener  <rguenther@suse.de>
            Bin Cheng  <bin.cheng@arm.com>

        PR tree-optimization/80153
        * tree-affine.c (aff_combination_to_tree): Get base pointer from
        the first element of pointer type aff_tree.  Build result expr in
        aff_tree's type.
        (add_elt_to_tree): Convert to type unconditionally.  Remove other
        fold_convert calls.
        * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
        (rewrite_use_nonlinear_expr): Check invariant using iv information.

2017-04-10  Richard Biener  <rguenther@suse.de>

        * tree-ssa-structalias.c (find_func_aliases): Properly handle
        asm inputs.

2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/70478
        * lra-constraints.c (curr_small_class_check): New.
        (update_and_check_small_class_inputs): New.
        (process_alt_operands): Update curr_small_class_check.  Disfavor
        alternative insn memory operands.  Check available regs for small
        class operands.

2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>

        PR target/80057
        * config/mips/mips.opt (-mvirt): Update description.
        * doc/invoke.texi (-mvirt): Likewise.

2017-04-10  Richard Biener  <rguenther@suse.de>

        PR middle-end/80362
        * fold-const.c (fold_binary_loc): Look at unstripped ops when
        looking for NEGATE_EXPR in -A / -B to A / B folding.

2017-04-10  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/80224
        * gcov.c (print_usage): Fix usage string.
        (get_gcov_intermediate_filename): Remove.
        (output_gcov_file): Use both for normal and intermediate format.
        (generate_results): Do not initialize special file for
        intermediate format.

2017-04-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80304
        * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
        for safelen.

2017-04-10  Nathan Sidwell  <nathan@acm.org>

        PR target/79905
        * config/rs6000/rs6000.c (rs6000_vector_type): New.
        (rs6000_init_builtins): Use it.

2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm.md (<mrc>): Add mode to SET source.
        (<mrrc>): Likewise.

2017-04-10  Richard Biener  <rguenther@suse.de>

        PR middle-end/80344
        * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.

2017-04-10  Jakub Jelinek  <jakub@redhat.com>

        PR target/80324
        * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
        _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
        _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
        _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
        _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
        _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
        _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
        _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
        _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
        _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
        _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
        _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
        _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
        _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
        _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
        _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
        _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
        _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
        _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
        _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
        _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
        _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
        _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.

2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/70478
        * lra-constraints.c: Reverse the last patch.

2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>

        * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
        Add comment for WCHAR_T.

2017-04-08  Martin Liska  <mliska@suse.cz>

        Revert:
        2017-04-07  Martin Liska  <mliska@suse.cz>

        PR ipa/80212
        * ipa-split.c (split_function): Add function part to a same comdat
        group.

2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

        PR target/80358
        * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.

2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>

        * rs6000/rs6000.c (vec_load_pendulum): Rename...
        (vec_pairing): ...to this.
        (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
        (rs6000_sched_init): Adjust for name change.
        (struct rs6000_sched_context): Likewise.
        (rs6000_init_sched_context): Likewise.
        (rs6000_set_sched_context): Likewise.

2017-04-07  Jakub Jelinek  <jakub@redhat.com>

        PR target/80322
        PR target/80323
        PR target/80325
        PR target/80326
        * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
        intrinsics.
        * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
        _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
        _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.

2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>

        * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.

2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/70703
        * ira-color.c (update_conflict_hard_regno_costs): Use
        int64_t instead of HOST_WIDE_INT.

2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/70478
        * lra-constraints.c (process_alt_operands): Disfavor alternative
        insn memory operands.

2017-04-07  Jeff Law  <law@redhat.com>

        * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
        CALL and NOTE_INSN_CALL_ARG_LOCATION.

2017-04-07  Martin Liska  <mliska@suse.cz>

        PR target/79889
        * config/aarch64/aarch64.c (aarch64_process_target_attr):
        Show error message instead of an ICE.

2017-04-07  Martin Liska  <mliska@suse.cz>

        PR ipa/80212
        * ipa-split.c (split_function): Add function part to a same comdat
        group.

2017-04-07  Richard Biener  <rguenther@suse.de>

        PR middle-end/80341
        * tree.c (get_unwidened): Also handle ! for_type case for
        INTEGER_CSTs.
        * convert.c (do_narrow): Split out from ...
        (convert_to_integer_1): ... here.  Do not pass final truncation
        type to get_unwidened for TRUNC_DIV_EXPR.

2017-04-07  Richard Biener  <rguenther@suse.de>

        * tree-affine.c (wide_int_ext_for_comb): Take type rather
        than aff_tree.
        (aff_combination_const): Adjust.
        (aff_combination_scale): Likewise.
        (aff_combination_add_elt): Likewise.
        (aff_combination_add_cst): Likewise.
        (aff_combination_convert): Likewise.
        (add_elt_to_tree): Likewise.  Remove unused argument.
        (aff_combination_to_tree): Adjust calls to add_elt_to_tree.

2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
        definition.
        * config/arm/arm.c (arm_default_short_enums): Use
        ARM_DEFAULT_SHORT_ENUMS.
        * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.

2017-04-06  Jakub Jelinek  <jakub@redhat.com>

        PR debug/80234
        * dwarf2out.c (gen_member_die): Handle C++17 inline static data
        members with redundant out-of-class redeclaration.

2017-04-06  Uros Bizjak  <ubizjak@gmail.com>

        PR target/80286
        * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
        * config/i386/i386.md (*zero_extendsidi2):
        Add (?*x,*x) and (?*v,*v) alternatives.

2017-04-06  Uros Bizjak  <ubizjak@gmail.com>

        PR target/79733
        * config/i386/i386.c (ix86_expand_builtin)
        <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
        mode from insn data. Convert operands to insn operand mode.
        Copy operands that don't satisfy insn predicate to a register.

2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>

        * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
        Update comments.

2017-04-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80334
        * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
        preserve alignment of accesses.

2017-04-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80262
        * tree-sra.c (build_ref_for_offset): Preserve address-space
        information.
        * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
        Drop useless address-space information on MEM_REF offsets.

2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>

        * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.

2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/70703
        * ira-color.c (update_conflict_hard_regno_costs): Use
        HOST_WIDE_INT instead of long.

2017-04-05  Uros Bizjak  <ubizjak@gmail.com>

        PR target/80298
        * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
        not defined for x86_64 target.  Add -mmmx target option when __SSE2__
        is not defined.
        * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
        for x86_64 target.  Handle -m3dnowa option.

2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/70703
        * ira-color.c (update_costs_from_allocno): Use the smallest mode.
        (update_conflict_hard_regno_costs): Use long instead of unsigned
        arithmetic for cost calculation.

2017-04-05  Jakub Jelinek  <jakub@redhat.com>
            Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR sanitizer/80308
        * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
        for big endian.

2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/78002
        * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
        ptr_mode with Pmode throughout.
        * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
        into probe_stack_range and use DImode.

2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        PR target/79890
        * config/s390/s390.c (s390_register_info_gprtofpr): Return if
        call_eh_return is true.

2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
        Initialize last_match_fntype_index.

2017-04-05  Jakub Jelinek  <jakub@redhat.com>

        PR target/80310
        * tree-nvr.c: Include internal-fn.h.
        (pass_return_slot::execute): Ignore internal calls without
        direct optab.

2017-04-04  Jakub Jelinek  <jakub@redhat.com>
            Richard Biener  <rguenther@suse.de>

        PR c++/80297
        * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
        captures used multiple times, except for the last use.
        * generic-match-head.c: Include gimplify.h.

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

        PR tree-optimization/79390
        * target.h (struct noce_if_info): Declare.
        * targhooks.h (default_noce_conversion_profitable_p): Declare.
        * target.def (noce_conversion_profitable_p): New target hook.
        * ifcvt.h (struct noce_if_info): New type, moved from ...
        * ifcvt.c (struct noce_if_info): ... here.
        (noce_conversion_profitable_p): Renamed to ...
        (default_noce_conversion_profitable_p): ... this.  No longer
        static nor inline.
        (noce_try_store_flag_constants, noce_try_addcc,
        noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
        noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
        instead of noce_conversion_profitable_p.
        * config/i386/i386.c: Include ifcvt.h.
        (ix86_option_override_internal): Don't override
        PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
        (ix86_noce_conversion_profitable_p): New function.
        (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
        * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
        * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
        * doc/tm.texi: Regenerated.

2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
        correction.

2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR target/80307
        * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
        instructions for small multiply cores.

2017-04-04  Jeff Law  <law@redhat.com>

        * config/mips/mips.c (mips_multi_add): Zero initialize the newly
        added member.
        (mips_expand_vec_perm_const): Initialize elements in orig_perm
        that are not set by the loop over the elements.

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

        PR target/80286
        * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
        int mode, convert_modes it to mode as unsigned, otherwise use
        lowpart_subreg to mode rather than SImode.
        * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
        ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
        Use DImode instead of SImode for the shift count operand.
        * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
        Likewise.

2017-04-04  Richard Biener  <rguenther@suse.de>

        PR middle-end/80281
        * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
        arithmetic done for the negate or the plus.  Simplify.
        (A - (-B) -> A + B): Likewise.
        * fold-const.c (split_tree): Make sure to not negate pointers.

2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/60818
        * simplify-rtx.c (simplify_binary_operation_1): Do not replace
        a compare of comparisons with the thing compared if this results
        in a different machine mode.

2017-04-03  Jonathan Wakely  <jwakely@redhat.com>

        * alias.c (base_alias_check): Fix typo in comment.
        * cgraph.h (class ipa_polymorphic_call_context): Likewise.
        * cgraphunit.c (symbol_table::compile): Likewise.
        * collect2.c (maybe_run_lto_and_relink): Likewise.
        * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
        * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
        * config/avr/avr.c (avr_map_op_t): Likewise.
        * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
        * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
        * config/epiphany/epiphany.md (movcc): Likewise.
        * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
        * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
        Likewise.
        * config/mips/mips.c (mips_save_restore_reg): Likewise.
        * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
        * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
        * config/sh/sh.c (sh_rtx_costs): Likewise.
        * fold-const.c (fold_truth_andor): Likewise.
        * genautomata.c (collapse_flag): Likewise.
        * gengtype.h (struct type::u::s): Likewise.
        * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
        * input.c (FORMAT_AMOUNT): Likewise.
        * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
        (known_aggs_to_agg_replacement_list): Likewise.
        * ipa-inline-analysis.c: Likewise.
        * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
        * ipa-polymorphic-call.c
        (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
        * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
        * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
        Likewise.
        * modulo-sched.c (apply_reg_moves): Likewise.
        * omp-expand.c (build_omp_regions_1): Likewise.
        * trans-mem.c (struct tm_wrapper_hasher): Likewise.
        * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
        * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
        * value-prof.c: Likewise.
        * var-tracking.c (val_reset): Likewise.

2017-04-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80275
        * fold-const.c (split_address_to_core_and_offset): Handle
        POINTER_PLUS_EXPR.

2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-nested.c (get_descriptor_type): Make sure that the alignment of
        descriptors is at least equal to that of functions.

2017-04-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (movdi_to_sse): Add missing DONE.

2017-04-02  Uros Bizjak  <ubizjak@gmail.com>

        PR target/80250
        * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
        (mov<IMOD4:mode>): New expander.
        (*mov<IMOD4:mode>_internal): New insn and split pattern.

2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/79405
        * fwprop.c (propagations_left): New variable.
        (forward_propagate_into): Decrement it.
        (fwprop_init): Initialize it.
        (fw_prop): If the variable has reached zero, stop propagating.
        (fwprop_addr): Ditto.

2017-03-31  Jakub Jelinek  <jakub@redhat.com>

        PR debug/79255
        * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
        a FUNCTION_DECL, pass it as decl instead of origin to
        process_scope_var.

2017-03-31  Alexander Monakov  <amonakov@ispras.ru>

        * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
        string.

2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>

        PR target/80107
        * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
        TARGET_VSX_SMALL_INTEGER.

2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
        reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.

2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>

        * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
        extraction from odd-numbered MSA register.

2017-03-31  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/80173
        * expmed.c (store_bit_field_1): Don't attempt to create
        a word subreg out of hard registers wider than word if they
        have HARD_REGNO_NREGS of 1 for their mode.

        PR middle-end/80163
        * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
        conversions to integer types wider than word and pointer.

        PR debug/80025
        * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
        (rtx_equal_for_cselib_p): Pass 0 to it.
        * cselib.c (cselib_hasher::equal): Likewise.
        (rtx_equal_for_cselib_1): Add depth argument.  If depth
        is 128, don't look up VALUE locs and punt.  Increment
        depth in recursive calls when walking VALUE locs.

2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
        (make_gcov_file_name): Use the canonical path name for generating
        the MD5 value.
        (read_line): Fix handling of files with ascii null bytes.

2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>

        * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
        to initialise a vector register instead
        of using a const_int.

2017-03-30  Jakub Jelinek  <jakub@redhat.com>

        PR translation/80189
        * gimplify.c (omp_default_clause): Use %qs instead of %s in
        diagnostic messages.

2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>

        PR target/80246
        * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
        (dfp_diex_<mode>): Update mode of operand 1.
        * doc/extend.texi (dxex, dxexq): Document change to return type.
        (diex, diexq): Document change to argument type.

2017-03-30  Martin Jambor  <mjambor@suse.cz>

        PR ipa/77333
        * cgraph.h (cgraph_build_function_type_skip_args): Declare.
        * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
        it reflects the signature changes performed at the callee side.
        * cgraphclones.c (build_function_type_skip_args): Make public, renamed
        to cgraph_build_function_type_skip_args.
        (build_function_decl_skip_args): Adjust call to the above function.

2017-03-30  Jakub Jelinek  <jakub@redhat.com>

        PR target/80206
        * config/i386/sse.md
        (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
        register as dest whenever it is a MEM not rtx_equal_p to the
        corresponding dup operand, and when forcing into reg move the
        reg into the memory afterwards.
        (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
        Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
        for the force_reg mode.
        (avx512vl_vextractf128<mode>): Use register as dest either
        always when a MEM, or when it is a MEM not rtx_equal_p to the
        corresponding dup operand, or even not when it is a CONST_VECTOR
        depending on the mode and lo vs. hi.
        (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
        parens.
        (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
        (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
        Likewise.  Require that operands[2] is even.
        (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
        Remove extraneous parens.  Require that operands[2] is a multiple
        of 4.
        (vec_extract_lo_<mode><mask_name>): Don't bother testing if
        operands[0] is a MEM if <mask_applied>, the predicates/constraints
        disallow memory then.

2017-03-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/77498
        * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
        to non-constants over backedges.

2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/80233
        * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
        as last_combined_insn.  Do not test for BARRIER_P separately.

2017-03-29  Andreas Schwab  <schwab@suse.de>

        PR ada/80146
        * calls.c (prepare_call_address): Convert funexp to Pmode before
        copying to temp reg.

2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/80158
        * gimple-ssa-strength-reduction.c (replace_mult_candidate):
        Handle possible future case of more than one alternate
        interpretation.
        (replace_rhs_if_not_dup): Likewise.
        (replace_one_candidate): Likewise.

2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/80193
        * ira.c (ira): Do not check allocation for LRA.

2017-03-28  Alexander Monakov  <amonakov@ispras.ru>

        * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
        (nvptx_output_simt_exit): Declare.
        * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
        cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
        (init_softstack_frame): Move initialization of crtl->is_leaf to...
        (nvptx_declare_function_name): ...here.  Emit declaration of local
        memory space buffer for omp_simt_enter insn.
        (nvptx_output_unisimt_switch): New.
        (nvptx_output_softstack_switch): New.
        (nvptx_output_simt_enter): New.
        (nvptx_output_simt_exit): New.
        * config/nvptx/nvptx.h (struct machine_function): New fields
        has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
        * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
        (UNSPECV_SIMT_EXIT): Ditto.
        (omp_simt_enter_insn): New insn.
        (omp_simt_enter): New expansion.
        (omp_simt_exit): New insn.
        * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.

        * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
        (expand_GOMP_SIMT_ENTER_ALLOC): New.
        (expand_GOMP_SIMT_EXIT): New.
        * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
        (GOMP_SIMT_ENTER_ALLOC): Ditto.
        (GOMP_SIMT_EXIT): Ditto.
        * target-insns.def (omp_simt_enter): New insn.
        (omp_simt_exit): Ditto.
        * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
        simt_dlist.
        (lower_rec_simd_input_clauses): Implement SIMT privatization.
        (lower_rec_input_clauses): Likewise.
        (lower_lastprivate_clauses): Handle SIMT privatization.

        * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
        (ompdevlow_adjust_simt_enter): New.
        (find_simtpriv_var_op): New.
        (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
        IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.

        * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
        * tree-inline.c (expand_call_inline): Handle SIMT privatization.
        (copy_decl_for_dup_finish): Ditto.

        * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.

2017-03-28  Uros Bizjak  <ubizjak@gmail.com>

        PR target/53383
        * config/i386/i386.c (ix86_option_override_internal): Always
        allow -mpreferred-stack-boundary=3 for 64-bit targets.

2017-03-28  Bin Cheng  <bin.cheng@arm.com>

        * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.

2017-03-28  Bin Cheng  <bin.cheng@arm.com>

        * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
        mark new edge's irreducible flag accordign to it.
        (vect_do_peeling): Check loop preheader edge's irreducible flag
        and pass it to function slpeel_add_loop_guard.

2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/80218
        * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
        Update block frequencies and counts.

2017-03-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/78644
        * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
        of a simplification result we may not use it at all.

2017-03-28  Richard Biener  <rguenther@suse.de>

        PR ipa/80205
        * tree-inline.c (copy_phis_for_bb): Do not create PHI node
        without arguments, generate default definition of a SSA name.

2017-03-28  Richard Biener  <rguenther@suse.de>

        PR middle-end/80222
        * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
        TYPE_REF_CAN_ALIAS_ALL references.
        * fold-const.c (fold_indirect_ref_1): Likewise.

2017-03-28  Martin Liska  <mliska@suse.cz>

        PR ipa/80104
        * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
        thunk call as DECL_GIMPLE_REG_P when vector or complex type.

2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
            Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>

        * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
        (EXTRA_SPECS): Define.
        (SUBTARGET_EXTRA_SPECS): Likewise.
        (SUBTARGET_CPP_SPEC): Likewise.
        * config/arc/elf.h (EXTRA_SPECS): Renamed to
        SUBTARGET_EXTRA_SPECS.
        * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.

2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/simdext.md (vst64_insn): Update pattern.
        (vld32wh_insn): Likewise.
        (vld32wl_insn): Likewise.
        (vld64_insn): Likewise.
        (vld32_insn): Likewise.

2017-03-28  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/80067
        * fold-const.c (fold_comparison): Use protected_set_expr_location
        instead of SET_EXPR_LOCATION.

2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>

        * tree.c (add_expr): Avoid name lookup warning.

2017-03-27  Jeff Law  <law@redhat.com>

        PR tree-optimization/80216
        * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
        function name.  Limit recursion depth.
        (record_temporary_equivalences): Corresponding changes.

2017-03-27  Jonathan Wakely  <jwakely@redhat.com>

        * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
        covered first.

2017-03-27  Jakub Jelinek  <jakub@redhat.com>

        PR target/80102
        * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
        notes.
        * cfgcleanup.c (reg_note_cfa_p): New array.
        (insns_have_identical_cfa_notes): New function.
        (old_insns_match_p): Don't cross-jump in between /f
        and non-/f instructions.  If both i1 and i2 are frame related,
        verify all CFA notes, their order and content.

2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/78543
        * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
        HImode and SImode with zero extend to DImode to one insn.
        (bswap<mode>2_extenddi): Likewise.
        (bswapsi2_extenddi): Likewise.
        (bswaphi2_extendsi): Likewise.
        (bswaphi2): Combine bswap HImode and SImode into one insn.
        Separate memory insns from swapping register.
        (bswapsi2): Likewise.
        (bswap<mode>2): Likewise.
        (bswaphi2_internal): Delete, no longer used.
        (bswapsi2_internal): Likewise.
        (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
        store, and gpr<-gpr swap insns.
        (bswap<mode>2_store): Likewise.
        (bswaphi2_reg): Register only splitter, combine with the splitter.
        (bswaphi2 splitter): Likewise.
        (bswapsi2_reg): Likewise.
        (bswapsi2 splitter): Likewise.
        (bswapdi2): If we have the LDBRX and STDBRX instructions, split
        the insns into load, store, and register/register insns.
        (bswapdi2_ldbrx): Likewise.
        (bswapdi2_load): Likewise.
        (bswapdi2_store): Likewise.
        (bswapdi2_reg): Likewise.

2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>

        * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
        (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.

2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        PR target/80103
        * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
        add comments.
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
        special handling for target option conflicts between dform
        options (-mpower9-dform, -mpower9-dform-vector,
        -mpower9-dform-scalar) and -mno-direct-move.

2017-03-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80181
        * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.

2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/predicates.md (move_double_src_operand): Replace the
        call to move_double_src_operand with a call to address_operand.

2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
        * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
        * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.

2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/predicates.md (long_immediate_loadstore_operand):
        Consider scaled addresses cases.

2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
        restored when in interrupt.
        * config/arc/arc.md (simple_return): ARCv2 rtie instruction
        doesn't have delay slot.

2017-03-27  Richard Biener  <rguenther@suse.de>

        PR ipa/79776
        * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
        inlined thunk clones.

2017-03-27  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/80168
        * asan.c (instrument_derefs): Copy over last operand from
        original COMPONENT_REF to the new COMPONENT_REF with
        DECL_BIT_FIELD_REPRESENTATIVE.
        * ubsan.c (instrument_object_size): Likewise.

2017-03-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80170
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
        sure DR/SCEV didnt fold in constants we do not see when looking
        at the reference base alignment.

2017-03-27  Richard Biener  <rguenther@suse.de>

        PR middle-end/80171
        * gimple-fold.c (fold_ctor_reference): Properly guard against
        NULL return value from canonicalize_constructor_val.

2017-03-25  Uros Bizjak  <ubizjak@gmail.com>

        PR target/80180
        * config/i386/i386.c (ix86_expand_builtin)
        <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
        flags reg setting and flags reg using instructions.
        <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
        clobbering instructions to zero extend op2.

2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Configuration) <--with-aix-soname>:
        Update link to AIX ld.

2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>

        PR rtl-optimization/80160
        PR rtl-optimization/80159
        * lra-assigns.c (must_not_spill_p): Tighten new test to also take
        reg_alternate_class into account.

2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/80148
        * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
        to consider in curr_insn_transform.

2017-03-24  Jakub Jelinek  <jakub@redhat.com>

        * genrecog.c (validate_pattern): Add VEC_SELECT validation.
        * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
        and emit_mode_inner.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
        argument to the overloaded builtin variants.  Use the new flag to
        deprecate certain builtin variants.
        * config/s390/s390-builtin-types.def: Add new builtin types.
        * config/s390/s390-builtins.h: Support new flags field for
        overloaded builtins.
        * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
        (s390_macro_to_expand): Enable vector float data type.
        (s390_cpu_cpp_builtins_internal): Indicate support of the new
        builtins by incrementing the __VEC__ version number.
        (s390_expand_overloaded_builtin): Support expansion of vec_xl and
        vec_xst.
        (s390_resolve_overloaded_builtin): Emit error messages depending
        on the builtin flags.
        * config/s390/s390.c (s390_expand_builtin): Support additional
        flags argument.  Change error message to match the messages
        emitted in s390-c.c.
        * config/s390/s390.md: New UNSPEC_* constants.
        (op_type): Add new instruction types.
        * config/s390/vecintrin.h: Add new builtins and test data class
        constants.
        * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
        (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
        (VEC_INEXACT, VEC_NOINEXACT): New constants.
        ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
        ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
        ("vec_mergel<mode>"): V_HW -> VEC_HW.

        ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
        ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
        ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
        ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.

        ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
        ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
        ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
        ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.

        ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
        ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
        ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
        ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
        ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
        ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
        ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...

        ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
        ("vec_scatter_element<V_HW_4:mode>_DI")
        ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
        ("vec_fpint<mode>", "vflls")
        ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
        ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
        ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
        ("*vec_cmphe<mode>_cc"): ... these.

        ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
        mode constant instead of magic value.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_expand_vec_compare): Support other
        vector floating point modes than just V2DF.
        (s390_expand_vcond): Likewise.
        (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
        (s390_cannot_change_mode_class): Prevent mode changes between TF
        and V1TF in vector registers.
        * config/s390/s390.md (DF, SF): New mode attributes.
        ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
        ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
        SFmode support for VRs.
        * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
        vector fp modes.
        (VFT, VF_HW): New mode iterators.
        (vw, sdx): New mode attributes.
        ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
        ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
        ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
        ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
        ("vec_unorderedv2df"): Adjust the v2df only patterns to support
        also the new vector floating point modes.  Renaming to ...

        ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
        ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
        ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
        ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
        ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
        ("vec_unordered<mode>"): ... these.

        ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
        ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
        ("*vec_extendv2df"): New insn definitions.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
        ("mulditi3_2", "*muldi3_sign"): New patterns.
        ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
        rename the pattern definition.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md ("indirect_jump"): Turn insn definition into
        expander.
        ("*indirect_jump", "*indirect2_jump"): New pattern definitions.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_expand_vec_init): Use vllezl
        instruction if possible.
        * config/s390/vector.md (vec_halfnumelts): New mode
        attribute.
        ("*vec_vllezlf<mode>"): New pattern.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
        ("popcountv4si2", "popcountv2di2"): Rename to ...
        ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
        ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
        condition.
        ("popcount<mode>2_vxe"): New pattern.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * common/config/s390/s390-common.c (processor_flags_table): Add
        arch12.
        * config.gcc: Add arch12.
        * config/s390/driver-native.c (s390_host_detect_local_cpu):
        Default to arch12 for unknown CPU model numbers.
        * config/s390/s390-builtins.def: Add B_VXE builtin flag.
        * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
        PROCESSOR_max sanity check.
        * config/s390/s390-opts.h (enum processor_type): Add
        PROCESSOR_ARCH12.
        * config/s390/s390.c (processor_table): Add arch12.
        (s390_expand_builtin): Add check for B_VXE flag.
        (s390_issue_rate): Add PROCESSOR_ARCH12.
        (s390_get_sched_attrmask): Likewise.
        (s390_get_unit_mask): Likewise.
        (s390_sched_score): Enable z13 scheduling for arch12.
        (s390_sched_reorder): Likewise.
        (s390_sched_variable_issue): Likewise.
        * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
        PF_VXE.
        (s390_tune_attr): Use z13 scheduling also for arch12.
        (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
        (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
        (TARGET_VXE_P): New macros.
        * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
        and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
        * config/s390/s390.opt: Add arch12 as processor_type.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md
        ("fixuns_truncdddi2", "fixuns_trunctddi2")
        ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
        ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.

        ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
        Rename expanders to ...

        ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
        ("fixuns_truncdddi2_emu"): ... these.

        ("fixuns_trunc<mode>si2_emu"): New expander.

        ("*fixuns_truncdfdi2_z13"): Rename to ...
        ("*fixuns_truncdfdi2_vx"): ... this.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/2964.md: Remove the single element vector compare
        instructions which are no longer used.
        * config/s390/s390.c (s390_select_ccmode): Remove handling of
        vector CCmodes.
        (s390_canonicalize_comparison): Remove handling of DFmode
        compares.
        (s390_expand_vec_compare_scalar): Remove function.
        (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
        * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
        pattern.
        ("*cmp<mode>_ccs"): Add wfcdb instruction.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
        FP zero.
        ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
        will anyway by matched by mov<mode>_64dfp.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
        vlef/vstef.  Add missing operand to vleif.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.c (s390_expand_vec_init): Enable vector load
        pair for all vector types with 64 bit elements.
        * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
        * config/s390/vector.md (V_HW_64): ... here.
        (V_128_NOSINGLE): New mode iterator.
        ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
        ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
        ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
        ("*vec_load_pairv2di"): Change to ...
        ("*vec_load_pair<mode>"): ... this one.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/constraints.md: Add comments.
        (jKK): Reject element sizes > 8 bytes.
        * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
        s_operands.
        * config/s390/s390.md: Add the s_operand checks formerly in
        s390_split_ok_p to various splitters where they are still
        required.
        * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
        for 128 bit vectors.  Plus two splitters.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
        the file.

2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

        PR target/79893
        * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
        error if the boundary argument is not constant.

2017-03-24  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/80112
        * loop-doloop.c (doloop_condition_get): Don't check condition
        if cmp isn't SET with IF_THEN_ELSE src.

2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/80158
        * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
        replacing a candidate statement, also replace it for the
        candidate's alternate interpretation.
        (replace_rhs_if_not_dup): Likewise.
        (replace_one_candidate): Likewise.

2017-03-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80167
        * graphite-isl-ast-to-gimple.c
        (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
        properly.
        (translate_isl_ast_to_gimple::get_rename): Likewise.

2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
        handling of certain combinations of target options, including the
        combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
        -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.

2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/71436
        * config/arm/arm.md (*load_multiple): Add reload_completed to
        matching condition.

2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
            Richard Biener  <rguenth@suse.de>

        PR tree-optimization/79908
        PR tree-optimization/80136
        * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
        been cast away, gimplify_and_add suffices.

2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>

        * tree-vrp.c (identify_jump_threads): Delete avail_exprs.

2017-03-23  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80032
        * gimplify.c (gimple_push_cleanup): Forced unconditional
        cleanups still have to go to the conditional_cleanups
        sequence.

2017-03-22  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/80072
        * tree-ssa-reassoc.c (struct operand_entry): Change id field type
        to unsigned int.
        (next_operand_entry_id): Change type to unsigned int.
        (sort_by_operand_rank): Make sure to return the right return value
        even if unsigned fields are bigger than INT_MAX.
        (struct oecount): Change cnt and id type to unsigned int.
        (oecount_hasher::equal): Formatting fix.
        (oecount_cmp): Make sure to return the right return value
        even if unsigned fields are bigger than INT_MAX.
        (undistribute_ops_list): Change next_oecount_id type to unsigned int.

        PR c++/80129
        * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
        TREE_READONLY on result if writing it more than once.

        PR sanitizer/80110
        * doc/invoke.texi (-fsanitize=thread): Document that with
        -fnon-call-exceptions atomics are not able to throw
        exceptions.

        PR sanitizer/80110
        * tsan.c: Include tree-eh.h.
        (instrument_builtin_call): Call maybe_clean_eh_stmt or
        maybe_clean_or_replace_eh_stmt where needed.
        (instrument_memory_accesses): Add cfg_changed argument.
        Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
        if it returned true.
        (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.

        PR rtl-optimization/63191
        * config/i386/i386.c (ix86_delegitimize_address): Turn into small
        wrapper function, moved the whole old content into ...
        (ix86_delegitimize_address_1): ... this.  New inline function.
        (ix86_find_base_term): Use ix86_delegitimize_address_1 with
        true as last argument instead of ix86_delegitimize_address.

2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (generic_branch_cost): Copy
        cortexa57_branch_cost.

2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.

2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>

        PR target/80123
        * doc/md.texi (Constraints): Document wA constraint.
        * config/rs6000/constraints.md (wA): New.
        * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
        (rs6000_init_hard_regno_mode_ok): Init wA constraint.
        * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
        * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.

2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>

        PR c++/80029
        * gimplify.c (is_oacc_declared): New function.
        (oacc_default_clause): Use it to set default flags for acc declared
        variables inside parallel regions.
        (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
        declared variables.
        (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
        declare attribute to any decl as necessary.

2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        PR target/80082
        * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
        (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
        * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
        (arm_arch_lpae): This.
        * config/arm/arm.c (arm_arch7ve): Rename into ...
        (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
        * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
        arm_arch_lpae.

2017-03-22  Martin Liska  <mliska@suse.cz>

        PR target/79906
        * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
        error message instead of an ICE.

2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        * doc/extend.texi (6.11 Additional Floating Types): Revise.

2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
        comments.
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
        comments.

2017-03-21  Martin Sebor  <msebor@redhat.com>

        * doc/extend.texi: Use "cannot" instead of "can't."
        * doc/hostconfig.texi: Same.
        * doc/install.texi: Same.
        * doc/invoke.texi: Same.
        * doc/loop.texi: Same.
        * doc/md.texi: Same.
        * doc/objc.texi: Same.
        * doc/rtl.texi: Same.
        * doc/tm.texi: Same.
        * doc/tm.texi.in: Same.
        * doc/trouble.texi: Same.

2017-03-21  Alexandre Oliva <aoliva@redhat.com>

        PR debug/63238
        * dwarf2out.c (struct checksum_attributes): Add at_alignment.
        (collect_checksum_attributes): Set it.
        (die_checksum_ordered): Use it.

2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

        PR tree-optimization/79908
        * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
        change: For a VA_ARG whose LHS has been cast away, use
        force_gimple_operand to construct the side effects.

2017-03-21  David Malcolm  <dmalcolm@redhat.com>

        PR translation/80001
        * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
        more amenable to translation.
        (oacc_loop_auto_partitions): Likewise.

2017-03-21  Marek Polacek  <polacek@redhat.com>
            Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/80109
        * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
        on INTEGRAL_TYPE_P.

2017-03-21  Jakub Jelinek  <jakub@redhat.com>
            Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/80125
        * combine.c (can_combine_p): Revert the 2017-03-20 change, only
        check reg_used_between_p between insn and one of succ or succ2
        depending on if succ is artificial insn not inserted into insn
        stream.

2017-03-21  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/80081
        * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
        * doc/gcc.texi: Include gcov-dump stuff.
        * doc/gcov-dump.texi: New file.

2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>

        PR rtl-optimization/79150
        * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
        conditional jump, if the jump is the last insn of the loop.

2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
            Richard Biener  <rguenth@suse.de>

        PR tree-optimization/79908
        * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
        been cast away, use force_gimple_operand to construct the side
        effects.

2017-03-21  Martin Liska  <mliska@suse.cz>

        PR libfortran/79956
        * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
        to NULL.

2017-03-21  Brad Spengler <spender@grsecurity.net>

        PR plugins/80094
        * plugin.c (htab_hash_plugin): New function.
        (add_new_plugin): Use it and adjust.
        (parse_plugin_arg_opt): Adjust.
        (init_one_plugin): Likewise.

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):
        Fix misspelled diagnostic.

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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