tree-optimization/113126 - vector extension compare optimization

[official-gcc.git] / gcc / ChangeLog-2020

2020-12-31  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/98302
        * tree-vect-patterns.c (vect_determine_precisions_from_users): Make
        sure that the precision remains greater than the shift count.

2020-12-31  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/94994
        * tree-vect-data-refs.c (vect_vfa_align): Use dr_alignment.

2020-12-31  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/98214
        * genmodes.c (emit_insn_modes_h): Emit a definition of CONST_MODE_MASK.
        (emit_mode_mask): Treat mode_mask_array as non-constant if adj_nunits.
        (emit_mode_adjustments): Update GET_MODE_MASK when updating
        GET_MODE_NUNITS.
        * machmode.h (mode_mask_array): Use CONST_MODE_MASK.

2020-12-31  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/94802
        * match.pd (clz(X) == 0 -> (int)X < 0): New simplification.
        (clz(X) == (prec-1) -> X == 1): Likewise.

2020-12-31  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/94785
        * match.pd ((-(X < 0) | 1) * X -> abs (X)): New simplification.
        ((-(X < 0) | 1U) * X -> absu (X)): Likewise.

2020-12-31  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/98474
        * wide-int.cc (wi::to_mpz): If wide_int has MSB set, but type
        is unsigned and excess negative, append set bits after len until
        precision.

2020-12-31  Jakub Jelinek  <jakub@redhat.com>

        PR c++/98206
        * fold-const.c: Include asan.h.
        (fold_unary_loc): Don't optimize (ptr_type) (((ptr_type2) x) p+ y)
        into ((ptr_type) x) p+ y if sanitizing alignment in GENERIC and
        ptr_type points to type with higher alignment than ptr_type2.

2020-12-31  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/56719
        * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Also optimize
        x < C && y < C && z < C when C is a power of two constant into
        (x | y | z) < C.

2020-12-30  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md: Remove unnecessary clobbers
        from combine splitters.

2020-12-30  Jakub Jelinek  <jakub@redhat.com>

        PR target/98461
        * config/i386/sse.md (<sse2_avx2>_pmovmskb): Add splitters
        for pmovmskb of NOT vector.

2020-12-29  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.md (maddsidi4_split): Skip macd gen, use mac insn
        instead.
        (macd): Update register letters.
        (umaddsidi4_split): Skip macdu gen, use macu insn instead.
        (macdu): Update register letters.

2020-12-29  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_secondary_reload): Flip if-condition
        predicates.

2020-12-29  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Check if defined
        reg_renumber.

2020-12-29  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (prepare_move_operands): Use a temporary
        registers when we have cached mem-to-uncached mem moves.

2020-12-29  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.md (movdi_insn): Update pattern, no predicated
        vadd2 usage.
        (movdf_insn): Likewise.
        * config/arc/simdext.md (movVEC_insn): Likewise.

2020-12-29  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-expand.c (ix86_gen_TWO52): Use REAL_MODE_FORMAT
        to determine number of mantissa bits.  Use real_2expN instead
        of real_ldexp.
        (ix86_expand_rint): Use copy_to_reg.
        (ix86_expand_floorceildf_32): Ditto.
        (ix86_expand_truncdf_32): Ditto.
        (ix86_expand_rounddf_32): Ditto.
        (ix86_expand_floorceil): Use copy_to_reg and int_mode_for_mode.
        (ix86_expand_trunc): Ditto.
        (ix86_expand_round): Ditto.

2020-12-28  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/standards.texi (HSAIL): Remove section.

2020-12-28  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/96793
        * config/i386/i386-expand.c (ix86_expand_rint):
        Remove the sign of the intermediate value for flag_rounding_math.

2020-12-28  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-expand.c (ix86_expand_trunc): Use
        existing temporary register to avoid a call to force_reg.

2020-12-28  Hongyu Wang  <hongyu.wang@intel.com>

        * config/i386/i386.md (optab): New code attr.
        * config/i386/sse.md (<code>v32qiv32hi2): Rename to ...
        (<optab>v32qiv32hi2) ... this.
        (<code>v16qiv16hi2): Likewise.
        (<code>v8qiv8hi2): Likewise.
        (<code>v16qiv16si2): Likewise.
        (<code>v8qiv8si2): Likewise.
        (<code>v4qiv4si2): Likewise.
        (<code>v16hiv16si2): Likewise.
        (<code>v8hiv8si2): Likewise.
        (<code>v4hiv4si2): Likewise.
        (<code>v8qiv8di2): Likewise.
        (<code>v4qiv4di2): Likewise.
        (<code>v2qiv2di2): Likewise.
        (<code>v8hiv8di2): Likewise.
        (<code>v4hiv4di2): Likewise.
        (<code>v2hiv2di2): Likewise.
        (<code>v8siv8di2): Likewise.
        (<code>v4siv4di2): Likewise.
        (<code>v2siv2di2): Likewise.

2020-12-27  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/analyzer.texi (Analyzer Internals): Find a new source for
        the "A Memory Model for Static Analysis of C Programs" paper.

2020-12-25  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi (C++ Module Mapper): Fix reference to libcody.

2020-12-24  Iain Sandoe  <iain@sandoe.co.uk>

        * configure.ac: Add gxx-libcxx-include-dir handled
        in the same way as the regular cxx header directory.
        * Makefile.in: Regenerated.
        * config.in: Likewise.
        * configure: Likewise.
        * cppdefault.c: Pick up libc++ headers if the option
        is enabled.
        * cppdefault.h (struct default_include): Amend comments
        to reflect the extended use of the cplusplus field.
        * incpath.c (add_standard_paths): Allow for multiple
        c++ header include path variants.
        * doc/invoke.texi: Document the -stdlib= option.

2020-12-24  Kito Cheng  <kito.cheng@sifive.com>

        * config/riscv/multilib-generator (arch_canonicalize): Call
        decode for the subprocess return value.

2020-12-23  Martin Sebor  <msebor@redhat.com>

        PR middle-end/98160
        * builtins.c (warn_dealloc_offset): Avoid assuming calls are made
        through declared functions and not pointers.

2020-12-23  Martin Sebor  <msebor@redhat.com>

        PR c++/98413
        * builtins.c (get_offset_range): Avoid non-integers/-pointers.

2020-12-23  Iain Sandoe  <iain@sandoe.co.uk>

        * config/darwin-driver.c (validate_macosx_version_min): Allow
        MACOSX_DEPLOYMENT_TARGET=11.
        (darwin_default_min_version): Adjust warning spelling to avoid
        an apostrophe.

2020-12-23  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/96793
        * config/i386/i386-expand.c (ix86_expand_truncdf_32):
        Remove the sign of the intermediate value for flag_rounding_math.

2020-12-22  Qian Jianhua  <qianjh@cn.fujitsu.com>

        * config/arm/types.md (define_attr "autodetect_type"): New.
        (define_attr "type"): Subdivide alu_shift_imm.
        * config/arm/common.md: New file.
        * config/aarch64/predicates.md:Include common.md.
        * config/arm/predicates.md:Include common.md.
        * config/aarch64/aarch64.md (*add_<shift>_<mode>): Set autodetect_type.
        (*add_<shift>_si_uxtw): Likewise.
        (*sub_<shift>_<mode>): Likewise.
        (*sub_<shift>_si_uxtw): Likewise.
        (*neg_<shift>_<mode>2): Likewise.
        (*neg_<shift>_si2_uxtw): Likewise.
        * config/arm/arm.md (*addsi3_carryin_shift): Likewise.
        (add_not_shift_cin): Likewise.
        (*subsi3_carryin_shift): Likewise.
        (*subsi3_carryin_shift_alt): Likewise.
        (*rsbsi3_carryin_shift): Likewise.
        (*rsbsi3_carryin_shift_alt): Likewise.
        (*arm_shiftsi3): Likewise.
        (*<arith_shift_insn>_multsi): Likewise.
        (*<arith_shift_insn>_shiftsi): Likewise.
        (subsi3_carryin): Set new type.
        (*if_arith_move): Set new type.
        (*if_move_arith): Set new type.
        (define_attr "core_cycles"): Use new type.
        * config/arm/arm-fixed.md (arm_ssatsihi_shift): Set autodetect_type.
        * config/arm/thumb2.md (*orsi_not_shiftsi_si): Likewise.
        (*thumb2_shiftsi3_short): Set new type.
        * config/aarch64/falkor.md (falkor_alu_1_xyz): Use new type.
        * config/aarch64/saphira.md (saphira_alu_1_xyz): Likewise.
        * config/aarch64/thunderx.md (thunderx_arith_shift): Likewise.
        * config/aarch64/thunderx2t99.md (thunderx2t99_alu_shift): Likewise.
        * config/aarch64/thunderx3t110.md (thunderx3t110_alu_shift): Likewise.
        (thunderx3t110_alu_shift1): Likewise.
        * config/aarch64/tsv110.md (tsv110_alu_shift): Likewise.
        * config/arm/arm1020e.md (1020alu_shift_op): Likewise.
        * config/arm/arm1026ejs.md (alu_shift_op): Likewise.
        * config/arm/arm1136jfs.md (11_alu_shift_op): Likewise.
        * config/arm/arm926ejs.md (9_alu_op): Likewise.
        * config/arm/cortex-a15.md (cortex_a15_alu_shift): Likewise.
        * config/arm/cortex-a17.md (cortex_a17_alu_shiftimm): Likewise.
        * config/arm/cortex-a5.md (cortex_a5_alu_shift): Likewise.
        * config/arm/cortex-a53.md (cortex_a53_alu_shift): Likewise.
        * config/arm/cortex-a57.md (cortex_a57_alu_shift): Likewise.
        * config/arm/cortex-a7.md (cortex_a7_alu_shift): Likewise.
        * config/arm/cortex-a8.md (cortex_a8_alu_shift): Likewise.
        * config/arm/cortex-a9.md (cortex_a9_dp_shift): Likewise.
        * config/arm/cortex-m4.md (cortex_m4_alu): Likewise.
        * config/arm/cortex-m7.md (cortex_m7_alu_shift): Likewise.
        * config/arm/cortex-r4.md (cortex_r4_alu_shift): Likewise.
        * config/arm/exynos-m1.md (exynos_m1_alu_shift): Likewise.
        * config/arm/fa526.md (526_alu_shift_op): Likewise.
        * config/arm/fa606te.md (606te_alu_op): Likewise.
        * config/arm/fa626te.md (626te_alu_shift_op): Likewise.
        * config/arm/fa726te.md (726te_alu_shift_op): Likewise.
        * config/arm/fmp626.md (mp626_alu_shift_op): Likewise.
        * config/arm/marvell-pj4.md (pj4_shift): Likewise.
        (pj4_shift_conds): Likewise.
        (pj4_alu_shift): Likewise.
        (pj4_alu_shift_conds): Likewise.
        * config/arm/xgene1.md (xgene1_alu): Likewise.
        * config/arm/arm.c (xscale_sched_adjust_cost): Likewise.

2020-12-22  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/96793
        * config/i386/i386-expand.c (ix86_expand_floorceil):
        Remove the sign of the intermediate value for flag_rounding_math.
        (ix86_expand_floorceildf_32): Ditto.

2020-12-22  liuhongt  <hongtao.liu@intel.com>

        * config/i386/i386.md (*one_cmpl<mode>2_1): Fix typo, change
        alternative from 2 to 1 in attr isa.

2020-12-22  Ian Lance Taylor  <iant@golang.org>

        * godump.c (go_output_typedef): If DECL_ORIGINAL_TYPE is NULL, use
        TREE_TYPE.

2020-12-21  Jakub Jelinek  <jakub@redhat.com>

        PR c++/98353
        * gimplify.c (gimplify_init_ctor_eval_range): Gimplify value before
        storing it into cref.

2020-12-21  Iain Sandoe  <iain@sandoe.co.uk>

        * config/darwin-driver.c (darwin_find_version_from_kernel):
        Compute the minor OS version from the minor kernel version.

2020-12-21  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/98407
        * fold-const.c (native_encode_initializer): When handling flexible
        array members, fix up computation of length for memset.  Also remove
        " - o" as o is always guaranteed to be 0 in this code path.

2020-12-21  Jakub Jelinek  <jakub@redhat.com>

        PR c++/98383
        * gimplify.c (struct gimplify_omp_ctx): Add in_for_exprs flag.
        (gimple_add_tmp_var): For addressable temporaries appearing in
        simd lb, b or incr expressions, don't add a private clause unless
        it is seen also outside of those expressions in the simd body.
        (omp_notice_variable): Likewise.
        (gimplify_omp_for): Set and reset in_for_exprs around gimplification
        of lb, b or incr expressions.

2020-12-20  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/xtensa.md (bswapsi2, bswapdi2): New patterns.

2020-12-20  Jakub Jelinek  <jakub@redhat.com>

        PR other/98400
        * doc/invoke.texi (-mbackchain): Fix a typo - -mmo-backchain ->
        -mno-backchain.

2020-12-19  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/98366
        * fold-const.c (native_encode_initializer): Don't try to
        memset more than total_bytes with off == -1 even if len is large.
        Handle flexible array member initializers if off == -1 and mask is
        NULL.
        * expr.c (convert_to_bytes): Remove.
        (constant_byte_string): Use native_encode_initializer instead of
        convert_to_bytes.  Remove extraneous semicolon.  Punt on various
        corner-cases the APIs don't handle, like sizes > INT_MAX,
        BITS_PER_UNIT != 8, CHAR_BIT != 8.

2020-12-19  Iain Buclaw  <ibuclaw@gdcproject.org>

        PR d/98067
        * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Handle
          CONST_DECL only if is_fortran, is_ada, or is_dlang.

2020-12-19  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/98378
        * gimple-ssa-store-merging.c (find_bswap_or_nop): Punt if CONSTRUCTOR
        has no elements.

2020-12-18  Jakub Jelinek  <jakub@redhat.com>

        * gimplify.c (struct gimplify_omp_ctx): Add has_depend member.
        (gimplify_scan_omp_clauses): Set it to true if OMP_CLAUSE_DEPEND
        appears on OMP_TASK.
        (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Force
        GOVD_WRITTEN on shared variables if task construct has depend clause.

2020-12-18  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>

        PR target/98177
        * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
        get_same_sized_vectype to obtain index type.
        (vectorizable_reduction): Likewise.

2020-12-18  Kwok Cheung Yeung  <kcy@codesourcery.com>

        * langhooks-def.h (lhd_get_decl_init): New.
        (lhd_finish_decl_inits): New.
        (LANG_HOOKS_GET_DECL_INIT): New.
        (LANG_HOOKS_OMP_FINISH_DECL_INITS): New.
        (LANG_HOOKS_DECLS): Add LANG_HOOKS_GET_DECL_INIT and
        LANG_HOOKS_OMP_FINISH_DECL_INITS.
        * langhooks.c (lhd_omp_get_decl_init): New.
        (lhd_omp_finish_decl_inits): New.
        * langhooks.h (struct lang_hooks_for_decls): Add omp_get_decl_init
        and omp_finish_decl_inits.
        * omp-offload.c (omp_discover_declare_target_var_r): Use
        get_decl_init langhook in place of DECL_INITIAL.  Call
        omp_finish_decl_inits langhook at end of function.

2020-12-18  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.c (aarch64_preferred_simd_mode): Use
        aarch64_full_sve_mode and aarch64_vq_mode directly, instead of
        going via aarch64_simd_container_mode.

2020-12-18  Tamar Christina  <tamar.christina@arm.com>

        * config/arm/iterators.md (rot): Add UNSPEC_VCMUL, UNSPEC_VCMUL90,
        UNSPEC_VCMUL180, UNSPEC_VCMUL270.

2020-12-17  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>

        * config/arm/arm-cpus.in: Add Cortex-A78C core.
        * config/arm/arm-tables.opt: Regenerate.
        * config/arm/arm-tune.md: Regenerate.
        * doc/invoke.texi: Update docs.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/98347
        * rtl-ssa/access-utils.h (full_register): Use regno_reg_rtx
        instead of reg_raw_mode.

2020-12-17  H.J. Lu  <hjl.tools@gmail.com>

        * targhooks.h (default_estimated_poly_value): Updated.

2020-12-17  Nathan Sidwell  <nathan@acm.org>

        * doc/invoke.texi (C++ Modules): Document lack of std
        library header units.

2020-12-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * target.h (enum poly_value_estimate_kind): Define.
        (estimated_poly_value): Take an estimate kind argument.
        * target.def (estimated_poly_value): Update definition for the
        above.
        * doc/tm.texi: Regenerate.
        * targhooks.c (estimated_poly_value): Update prototype.
        * tree-vect-loop.c (vect_better_loop_vinfo_p): Use min, max and
        likely estimates of VF to pick between vinfos.
        * config/aarch64/aarch64.c (aarch64_cmp_autovec_modes): Use
        estimated_poly_value instead of aarch64_estimated_poly_value.
        (aarch64_estimated_poly_value): Take a kind argument and handle
        it.

2020-12-17  Andrea Corallo  <andrea.corallo@arm.com>

        * config/arm/arm_neon.h (vcreate_p64): Remove call to
        '__builtin_neon_vcreatedi'.

2020-12-17  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/97750
        * range-op.cc (operator_cast::op1_range): Handle pointers better.

2020-12-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * rtl-ssa.h: Include memmodel.h before tm_p.h.

2020-12-17  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/98289
        * shrink-wrap.c (can_get_prologue): Don't punt on EDGE_CROSSING
        incoming edges.

2020-12-17  Marius Hillenbrand  <mhillen@linux.ibm.com>

        * configure.ac: Change --enable-s390-excess-float-precision
        default behavior for cross compiles with target headers.
        * configure: Regenerate.
        * doc/install.texi: Adjust documentation.

2020-12-17  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>

        * config/xtensa/xtensa.md (*ashlsi3_1, *ashlsi3_3x, *ashrsi3_3x)
        (*lshrsi3_3x): New patterns.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * fwprop.c: Rewrite to use the RTL SSA framework.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * configure.ac: Add rtl-ssa to the list of dependence directories.
        * configure: Regenerate.
        * Makefile.in (rtl-ssa-warn): New variable.
        (OBJS): Add the rtl-ssa object files.
        * emit-rtl.h (rtl_data::ssa): New field.
        * rtl-ssa.h: New file.
        * system.h: Include <functional> when INCLUDE_FUNCTIONAL is defined.
        * rtl-ssa/access-utils.h: Likewise.
        * rtl-ssa/accesses.h: New file.
        * rtl-ssa/accesses.cc: Likewise.
        * rtl-ssa/blocks.h: New file.
        * rtl-ssa/blocks.cc: Likewise.
        * rtl-ssa/change-utils.h: Likewise.
        * rtl-ssa/changes.h: New file.
        * rtl-ssa/changes.cc: Likewise.
        * rtl-ssa/functions.h: New file.
        * rtl-ssa/functions.cc: Likewise.
        * rtl-ssa/insn-utils.h: Likewise.
        * rtl-ssa/insns.h: New file.
        * rtl-ssa/insns.cc: Likewise.
        * rtl-ssa/internals.inl: Likewise.
        * rtl-ssa/is-a.inl: Likewise.
        * rtl-ssa/member-fns.inl: Likewise.
        * rtl-ssa/movement.h: Likewise.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * doc/rtl.texi (RTL SSA): New node.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * rtl.h (simple_regno_set): Declare.
        * rtlanal.c (simple_regno_set): New function.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * rtlanal.h: New file.
        (MEM_REGNO): New constant.
        (rtx_obj_flags): New namespace.
        (rtx_obj_reference, rtx_properties): New classes.
        (growing_rtx_properties, vec_rtx_properties_base): Likewise.
        (vec_rtx_properties): New alias.
        * rtlanal.c: Include it.
        (rtx_properties::try_to_add_reg): New function.
        (rtx_properties::try_to_add_dest): Likewise.
        (rtx_properties::try_to_add_src): Likewise.
        (rtx_properties::try_to_add_pattern): Likewise.
        (rtx_properties::try_to_add_insn): Likewise.
        (vec_rtx_properties_base::grow): Likewise.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * recog.h (insn_change_watermark): New class.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * recog.h (insn_propagation): New class.
        * recog.c (insn_propagation::apply_to_mem_1): New function.
        (insn_propagation::apply_to_rvalue_1): Likewise.
        (insn_propagation::apply_to_lvalue_1): Likewise.
        (insn_propagation::apply_to_pattern_1): Likewise.
        (insn_propagation::apply_to_pattern): Likewise.
        (insn_propagation::apply_to_rvalue): Likewise.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * recog.h (temporarily_undo_changes, redo_changes): Declare.
        * recog.c (temporarily_undone_changes): New variable.
        (validate_change_1, confirm_change_group): Check that it's zero.
        (cancel_changes): Likewise.
        (swap_change, temporarily_undo_changes): New functions.
        (redo_changes): Likewise.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * recog.h (validate_change_xveclen): Declare.
        * recog.c (change_t::old_len): New field.
        (validate_change_1): Add a new_len parameter.  Conditionally
        replace the XVECLEN of an rtx, avoiding single-element PARALLELs.
        (validate_change_xveclen): New function.
        (cancel_changes): Undo changes made by validate_change_xveclen.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * rtl.h (simplify_context): New class.
        (simplify_unary_operation, simplify_binary_operation): Use it.
        (simplify_ternary_operation, simplify_relational_operation): Likewise.
        (simplify_subreg, simplify_gen_unary, simplify_gen_binary): Likewise.
        (simplify_gen_ternary, simplify_gen_relational): Likewise.
        (simplify_gen_subreg, lowpart_subreg): Likewise.
        * simplify-rtx.c (simplify_gen_binary): Turn into a member function
        of simplify_context.
        (simplify_gen_unary, simplify_gen_ternary, simplify_gen_relational)
        (simplify_truncation, simplify_unary_operation): Likewise.
        (simplify_unary_operation_1, simplify_byte_swapping_operation)
        (simplify_associative_operation, simplify_logical_relational_operation)
        (simplify_binary_operation, simplify_binary_operation_series)
        (simplify_distributive_operation, simplify_plus_minus): Likewise.
        (simplify_relational_operation, simplify_relational_operation_1)
        (simplify_cond_clz_ctz, simplify_merge_mask): Likewise.
        (simplify_ternary_operation, simplify_subreg, simplify_gen_subreg)
        (lowpart_subreg): Likewise.
        (simplify_binary_operation_1): Likewise.  Test mem_depth when
        deciding whether the ASHIFT or MULT form is canonical.
        (simplify_merge_mask): Use simplify_context.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * rtl.h (register_asm_p): Declare.
        * recog.c (verify_changes): Split out the test for whether
        a hard register is a register asm to...
        * rtlanal.c (register_asm_p): ...this new function.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * print-rtl.h (print_insn_with_notes): Declare.
        * print-rtl.c (print_insn_with_notes): Make non-static

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * cfgrtl.h (update_cfg_for_uncondjump): Declare.
        * combine.c (update_cfg_for_uncondjump): Move to...
        * cfgrtl.c: ...here.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * vec.h (array_slice): New class.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * Makefile.in (OBJS): Add splay-tree-utils.o.
        * system.h: Include <array> when INCLUDE_ARRAY is defined.
        * selftest.h (splay_tree_cc_tests): Declare.
        * selftest-run-tests.c (selftest::run_tests): Run splay_tree_cc_tests.
        * splay-tree-utils.h: New file.
        * splay-tree-utils.tcc: Likewise.
        * splay-tree-utils.cc: Likewise.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * mux-utils.h: New file.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * obstack-utils.h: New file.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * iterator-utils.h (derived_iterator): New class.
        (const_derived_container, wrapper_iterator): Likewise.
        (list_iterator): Likewise.

2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>

        * hard-reg-set.h (global_reg_set): Declare.
        * reginfo.c (global_reg_set): New variable.
        (init_reg_sets_1, globalize_reg): Update it when globalizing
        registers.

2020-12-16  Piotr Kubaj  <pkubaj@FreeBSD.org>

        * config.gcc (powerpc*le-*-freebsd*): Add.
        * configure.ac (powerpc*le-*-freebsd*): Ditto.
        * configure: Regenerate.
        * config/rs6000/freebsd64.h (ASM_SPEC_COMMON): Use ENDIAN_SELECT.
        (DEFAULT_ASM_ENDIAN): Add little endian support.
        (LINK_OS_FREEBSD_SPEC64): Ditto.

2020-12-16  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>

        * config/xtensa/xtensa.c (xtensa_emit_move_sequence): Try to
        replace 'l32r' with 'movi' + 'slli' when optimizing for size.
        * config/xtensa/xtensa.md (movdi): Split loading DI mode constant
        into register pair into two loads of SI mode constants.

2020-12-16  Tamar Christina  <tamar.christina@arm.com>

        * config/arm/arm_mve.h (__arm_vcmulq_rot90_f16):
        (__arm_vcmulq_rot270_f16, _arm_vcmulq_rot180_f16, __arm_vcmulq_f16,
        __arm_vcmulq_rot90_f32, __arm_vcmulq_rot270_f32,
        __arm_vcmulq_rot180_f32, __arm_vcmulq_f32, __arm_vcmlaq_f16,
        __arm_vcmlaq_rot180_f16, __arm_vcmlaq_rot270_f16,
        __arm_vcmlaq_rot90_f16, __arm_vcmlaq_f32, __arm_vcmlaq_rot180_f32,
        __arm_vcmlaq_rot270_f32, __arm_vcmlaq_rot90_f32): Update builtin calls.
        * config/arm/arm_mve_builtins.def (vcmulq_f, vcmulq_rot90_f,
        vcmulq_rot180_f, vcmulq_rot270_f, vcmlaq_f, vcmlaq_rot90_f,
        vcmlaq_rot180_f, vcmlaq_rot270_f): Removed.
        (vcmulq, vcmulq_rot90, vcmulq_rot180, vcmulq_rot270, vcmlaq,
        vcmlaq_rot90, vcmlaq_rot180, vcmlaq_rot270): New.
        * config/arm/iterators.md (mve_rot): Add UNSPEC_VCMLA, UNSPEC_VCMLA90,
        UNSPEC_VCMLA180, UNSPEC_VCMLA270, UNSPEC_VCMUL, UNSPEC_VCMUL90,
        UNSPEC_VCMUL180, UNSPEC_VCMUL270.
        (VCMUL): New.
        * config/arm/mve.md (mve_vcmulq_f<mode, mve_vcmulq_rot180_f<mode>,
        mve_vcmulq_rot270_f<mode>, mve_vcmulq_rot90_f<mode>, mve_vcmlaq_f<mode>,
        mve_vcmlaq_rot180_f<mode>, mve_vcmlaq_rot270_f<mode>,
        mve_vcmlaq_rot90_f<mode>): Removed.
        (mve_vcmlaq<mve_rot><mode>, mve_vcmulq<mve_rot><mode>,
        mve_vcaddq<mve_rot><mode>, cadd<rot><mode>3, mve_vcaddq<mve_rot><mode>):
        New.
        * config/arm/unspecs.md (UNSPEC_VCMUL90, UNSPEC_VCMUL270, UNSPEC_VCMUL,
        UNSPEC_VCMUL180): New.
        (VCMULQ_F, VCMULQ_ROT180_F, VCMULQ_ROT270_F, VCMULQ_ROT90_F,
        VCMLAQ_F, VCMLAQ_ROT180_F, VCMLAQ_ROT90_F, VCMLAQ_ROT270_F): Removed.

2020-12-16  Tamar Christina  <tamar.christina@arm.com>

        * config/arm/arm_mve.h (__arm_vcaddq_rot90_u8, __arm_vcaddq_rot270_u8,
        __arm_vcaddq_rot90_s8, __arm_vcaddq_rot270_s8,
        __arm_vcaddq_rot90_u16, __arm_vcaddq_rot270_u16,
        __arm_vcaddq_rot90_s16, __arm_vcaddq_rot270_s16,
        __arm_vcaddq_rot90_u32, __arm_vcaddq_rot270_u32,
        __arm_vcaddq_rot90_s32, __arm_vcaddq_rot270_s32,
        __arm_vcaddq_rot90_f16, __arm_vcaddq_rot270_f16,
        __arm_vcaddq_rot90_f32, __arm_vcaddq_rot270_f32):  Update builtin calls.
        * config/arm/arm_mve_builtins.def (vcaddq_rot90_u, vcaddq_rot270_u,
        vcaddq_rot90_s, vcaddq_rot270_s, vcaddq_rot90_f, vcaddq_rot270_f):
        Removed.
        (vcaddq_rot90, vcaddq_rot270): New.
        * config/arm/constraints.md (Dz): Include MVE.
        * config/arm/iterators.md (mve_rot): New.
        (supf): Remove VCADDQ_ROT270_S, VCADDQ_ROT270_U, VCADDQ_ROT90_S,
        VCADDQ_ROT90_U.
        (VCADDQ_ROT270, VCADDQ_ROT90): Removed.
        * config/arm/mve.md (mve_vcaddq_rot270_<supf><mode,
        mve_vcaddq_rot90_<supf><mode>, mve_vcaddq_rot270_f<mode>,
        mve_vcaddq_rot90_f<mode>): Removed.
        (mve_vcaddq<mve_rot><mode>, mve_vcaddq<mve_rot><mode>): New.
        * config/arm/unspecs.md (VCADDQ_ROT270_S, VCADDQ_ROT90_S,
        VCADDQ_ROT270_U, VCADDQ_ROT90_U, VCADDQ_ROT270_F,
        VCADDQ_ROT90_F): Removed.
        * config/arm/vec-common.md (cadd<rot><mode>3): New.

2020-12-16  Tamar Christina  <tamar.christina@arm.com>

        * config/aarch64/aarch64-simd.md (cadd<rot><mode>3): New.
        * config/aarch64/iterators.md (SVE2_INT_CADD_OP): New.
        * config/aarch64/aarch64-sve.md (cadd<rot><mode>3): New.
        * config/aarch64/aarch64-sve2.md (cadd<rot><mode>3): New.

2020-12-16  Pat Haugen  <pthaugen@linux.ibm.com>

        * config/rs6000/mma.md (*movxo, mma_<vvi4i4i8>, mma_<avvi4i4i8>,
        mma_<vvi4i4i2>, mma_<avvi4i4i2>, mma_<vvi4i4>, mma_<avvi4i4>,
        mma_<pvi4i2>, mma_<apvi4i2>, mma_<vvi4i4i4>, mma_<avvi4i4i4>):
        Remove explicit setting of length attribute.

2020-12-16  Jakub Jelinek  <jakub@redhat.com>

        * varasm.c (default_elf_asm_named_section): Always force
        section flags even for sections with SECTION_LINK_ORDER flag.

2020-12-16  H.J. Lu  <hjl.tools@gmail.com>

        PR target/98146
        * defaults.h (SUPPORTS_SHF_GNU_RETAIN): New.
        * varasm.c (get_section): Replace HAVE_GAS_SHF_GNU_RETAIN with
        SUPPORTS_SHF_GNU_RETAIN.
        (resolve_unique_section): Likewise.
        (get_variable_section): Likewise.
        (switch_to_section): Likewise.

2020-12-16  H.J. Lu  <hjl.tools@gmail.com>

        PR target/98146
        * varasm.c (switch_to_section): Warn when a symbol without used
        attribute and a symbol with used attribute are placed in the
        section with the same name.

2020-12-16  H.J. Lu  <hjl.tools@gmail.com>

        PR target/98146
        * output.h (switch_to_section): Add a tree argument, default to
        nullptr.
        * varasm.c (get_section): If the SECTION_RETAIN bit doesn't match,
        return and switch to a new section later.
        (assemble_start_function): Pass decl to switch_to_section.
        (assemble_variable): Likewise.
        (switch_to_section): If the SECTION_RETAIN bit doesn't match,
        switch to a new section.

2020-12-16  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/96239
        * gimple-ssa-store-merging.c (find_bswap_or_nop): Handle a vector
        CONSTRUCTOR.
        (bswap_replace): Likewise.

2020-12-16  Martin Liska  <mliska@suse.cz>

        * common.opt: Remove usage of Report.
        * config/aarch64/aarch64.opt: Ditto.
        * config/alpha/alpha.opt: Ditto.
        * config/arc/arc.opt: Ditto.
        * config/arm/arm.opt: Ditto.
        * config/avr/avr.opt: Ditto.
        * config/bfin/bfin.opt: Ditto.
        * config/bpf/bpf.opt: Ditto.
        * config/c6x/c6x.opt: Ditto.
        * config/cr16/cr16.opt: Ditto.
        * config/cris/cris.opt: Ditto.
        * config/cris/elf.opt: Ditto.
        * config/csky/csky.opt: Ditto.
        * config/darwin.opt: Ditto.
        * config/fr30/fr30.opt: Ditto.
        * config/frv/frv.opt: Ditto.
        * config/ft32/ft32.opt: Ditto.
        * config/gcn/gcn.opt: Ditto.
        * config/i386/cygming.opt: Ditto.
        * config/i386/i386.opt: Ditto.
        * config/ia64/ia64.opt: Ditto.
        * config/ia64/ilp32.opt: Ditto.
        * config/linux-android.opt: Ditto.
        * config/linux.opt: Ditto.
        * config/lm32/lm32.opt: Ditto.
        * config/m32r/m32r.opt: Ditto.
        * config/m68k/m68k.opt: Ditto.
        * config/mcore/mcore.opt: Ditto.
        * config/microblaze/microblaze.opt: Ditto.
        * config/mips/mips.opt: Ditto.
        * config/mmix/mmix.opt: Ditto.
        * config/mn10300/mn10300.opt: Ditto.
        * config/moxie/moxie.opt: Ditto.
        * config/msp430/msp430.opt: Ditto.
        * config/nds32/nds32.opt: Ditto.
        * config/nios2/elf.opt: Ditto.
        * config/nios2/nios2.opt: Ditto.
        * config/nvptx/nvptx.opt: Ditto.
        * config/pa/pa.opt: Ditto.
        * config/pdp11/pdp11.opt: Ditto.
        * config/pru/pru.opt: Ditto.
        * config/riscv/riscv.opt: Ditto.
        * config/rl78/rl78.opt: Ditto.
        * config/rs6000/aix64.opt: Ditto.
        * config/rs6000/linux64.opt: Ditto.
        * config/rs6000/rs6000.opt: Ditto.
        * config/rs6000/sysv4.opt: Ditto.
        * config/rx/elf.opt: Ditto.
        * config/rx/rx.opt: Ditto.
        * config/s390/s390.opt: Ditto.
        * config/s390/tpf.opt: Ditto.
        * config/sh/sh.opt: Ditto.
        * config/sol2.opt: Ditto.
        * config/sparc/long-double-switch.opt: Ditto.
        * config/sparc/sparc.opt: Ditto.
        * config/tilegx/tilegx.opt: Ditto.
        * config/tilepro/tilepro.opt: Ditto.
        * config/v850/v850.opt: Ditto.
        * config/visium/visium.opt: Ditto.
        * config/vms/vms.opt: Ditto.
        * config/vxworks.opt: Ditto.
        * config/xtensa/xtensa.opt: Ditto.

2020-12-16  Martin Liska  <mliska@suse.cz>

        * doc/options.texi: Remove Report keyword.
        * opt-functions.awk: Print error when Report keyword
        is used.
        * optc-gen.awk: Do not handle Report keyword.
        * opts.h (struct cl_option): Remove cl_report bitfield flag.

2020-12-16  Martin Liska  <mliska@suse.cz>

        PR sanitizer/97868
        * common.opt: Add new warning -Wtsan.
        * doc/invoke.texi: Likewise.
        * tsan.c (instrument_builtin_call): Warn users about unsupported
        std::atomic_thread_fence.

2020-12-16  Martin Liska  <mliska@suse.cz>

        PR rtl-optimization/98271
        PR rtl-optimization/98276
        PR tree-optimization/98279
        * opts-common.c (set_option): Do not allow overflow for integer
        arguments.

2020-12-16  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/98272
        * tree-switch-conversion.c (bit_test_cluster::emit): When finding
        out whether the entry test can be merged in the bit test, do the
        computation using the type of the index expression.

2020-12-16  Kewen Lin  <linkw@linux.ibm.com>

        * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
        paradoxical subreg instead of zero_extend for QI/HI promotion.

2020-12-16  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        PR target/66791
        * config/arm/arm_neon.h: Replace calls to __builtin_vcgt* by
        <, > operators in vclt and vcgt intrinsics respectively.
        * config/arm/arm_neon_builtins.def: Remove entry for
        vcgt and vcgtu.

2020-12-16  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        PR target/66791
        * config/arm/arm_neon.h: Replace calls to __builtin_vneg* by - operator
        in vneg intrinsics.
        * config/arm/arm_neon_builtins.def: Remove entry for vneg.

2020-12-16  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        PR target/66791
        * config/arm/arm_neon.h: Replace calls to __builtin_vcreate*
        in vcreate intrinsics.
        * config/arm/arm_neon_builtins.def: Remove entry for vcreate.

2020-12-15  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/96094
        * match.pd (X / bool_range_Y -> X): New simplification.

2020-12-15  Nathan Sidwell  <nathan@acm.org>

        * doc/cppopts.texi: Document new cpp opt.
        * doc/invoke.texi: Add C++20 module option & documentation.

2020-12-15  Nathan Sidwell  <nathan@acm.org>

        * Makefile.in (CODYINC, CODYLIB, CODYLIB_H): New. Use them.

2020-12-15  Jakub Jelinek  <jakub@redhat.com>

        PR target/98274
        * config/i386/i386-options.c (ix86_option_override_internal): Set
        ix86_tune_string to "generic" even when it wasn't specified and
        ix86_arch_string is "x86-64-v2", "x86-64-v3" or "x86-64-v4".
        Remove useless {}s around a single statement.

2020-12-15  Martin Liska  <mliska@suse.cz>

        PR lto/98275
        * lto-wrapper.c: Do not use -j0 when we are unable to detect
        number of cores.

2020-12-15  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386-options.c (ix86_option_override_internal): Don't
        error on -march=x86-64-v[234] with -m32 or -mabi=ms.
        * config.gcc: Don't reject --with-arch=x86-64-v[234] or
        --with-arch_32=x86-64-v[234].
        * doc/invoke.texi (-march=x86-64-v[234]): Document what the option
        does for other ABIs.

2020-12-15  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/98273
        * gcov.c (output_json_intermediate_file): Use stack of nested
        functions for lines in a source file.  Pop when a function ends.

2020-12-15  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi (Instrumentation Options): Update link to
        KernelAddressSanitizer.

2020-12-15  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/predicates.md (addsubx_operand): Change accepted
        values from 2/4/8 to 1..3.
        * config/xtensa/xtensa.md (*addx, *subx): Change RTL pattern
        to use 'ashift' instead of 'mult'. Update operands[3] value.

2020-12-14  Piotr Kubaj  <pkubaj@FreeBSD.org>
            Gerald Pfeifer  <gerald@pfeifer.com>

        * config/rs6000/freebsd64.h (PROCESSOR_DEFAULT): Update
        to PROCESSOR_PPC7450.
        (PROCESSOR_DEFAULT64): Update to PROCESSOR_POWER8.

2020-12-14  Martin Sebor  <msebor@redhat.com>

        PR middle-end/98166
        PR c++/57111
        PR middle-end/98160
        * builtins.c (check_access): Call tree_inlined_location
        fndecl_alloc_p): Handle BUILT_IN_ALIGNED_ALLOC and
        BUILT_IN_GOMP_ALLOC.
        call_dealloc_p): Remove unused function.
        (new_delete_mismatch_p): Call valid_new_delete_pair_p and rework.
        (matching_alloc_calls_p): Handle built-in deallocation functions.
        (warn_dealloc_offset): Corrct the handling of user-defined operators
        delete.
        (maybe_emit_free_warning): Avoid assuming expression is a decl.
        Simplify.
        * doc/extend.texi (attribute malloc): Update.
        * tree-ssa-dce.c (valid_new_delete_pair_p): Factor code out into
        valid_new_delete_pair_p in tree.c.
        * tree.c (tree_inlined_location): Define new function.
        (valid_new_delete_pair_p): Define.
        * tree.h (tree_inlined_location): Declare.
        (valid_new_delete_pair_p): Declare.

2020-12-14  Sebastian Pop  <spop@amazon.com>

        * config.gcc (aarch64*-*-*): Remove --with-{cpu,arch,tune}-32 flags.

2020-12-14  Wilco Dijkstra  <wdijkstr@arm.com>

        * config.gcc (aarch64*-*-*): Add --with-tune. Support --with-cpu=native.
        * config/aarch64/aarch64.h (OPTION_DEFAULT_SPECS): Add --with-tune.

2020-12-14  Martin Liska  <mliska@suse.cz>

        * gcov.c (output_json_intermediate_file): Update comments.

2020-12-14  Tamar Christina  <tamar.christina@arm.com>

        PR middle-end/98264
        * tree-vect-slp-patterns.c (linear_loads_p): Exclude TOP permute.

2020-12-14  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/arm/mve.md (mve_vnegq_f): Use 'neg' instead of unspec.
        (mve_vnegq_s): Likewise.
        * config/arm/neon.md (neg<mode>2): Rename into neon_neg<mode>2.
        (<absneg_str><mode>2): Rename into neon_<absneg_str><mode>2.
        (neon_v<absneg_str><mode>): Call gen_neon_<absneg_str><mode>2.
        (vashr<mode>3): Call gen_neon_neg<mode>2.
        (vlshr<mode>3): Call gen_neon_neg<mode>2.
        (neon_vneg<mode>): Call gen_neon_neg<mode>2.
        * config/arm/unspecs.md (VNEGQ_F, VNEGQ_S): Remove.
        * config/arm/vec-common.md (neg<mode>2): New expander.

2020-12-14  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/arm/iterators.md (VDQNOTM2): New mode iterator.
        (supf): Remove VMVNQ_S and VMVNQ_U.
        (VMVNQ): Remove.
        * config/arm/mve.md (mve_vmvnq_u<mode>): New entry for vmvn
        instruction using expression not.
        (mve_vmvnq_s<mode>): New expander.
        * config/arm/neon.md (one_cmpl<mode>2): Renamed into
        one_cmpl<mode>2_neon.
        * config/arm/unspecs.md (VMVNQ_S, VMVNQ_U): Remove.
        * config/arm/vec-common.md (one_cmpl<mode>2): New expander.

2020-12-14  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/arm/iterators.md (supf): Remove VBICQ_S and VBICQ_U.
        (VBICQ): Remove.
        * config/arm/mve.md (mve_vbicq_u<mode>): New entry for vbic
        instruction using expression and not.
        (mve_vbicq_s<mode>): New expander.
        (mve_vbicq_f<mode>): Replace use of unspec by 'and not'.
        * config/arm/unspecs.md (VBICQ_S, VBICQ_U, VBICQ_F): Remove.

2020-12-14  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/arm/iterators.md (supf): Remove VEORQ_S and VEORQ_U.
        (VEORQ): Remove.
        * config/arm/mve.md (mve_veorq_u<mode>): New entry for veor
        instruction using expression xor.
        (mve_veorq_s<mode>): New expander.
        (mve_veorq_f<mode>): Use 'xor' code instead of unspec.
        * config/arm/neon.md (xor<mode>3): Renamed into xor<mode>3_neon.
        * config/arm/unspecs.md (VEORQ_S, VEORQ_U, VEORQ_F): Remove.
        * config/arm/vec-common.md (xor<mode>3): New expander.

2020-12-14  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>

        * config/aarch64/aarch64-cores.def (AARCH64_CORE): Add Cortex-A78C core.
        * config/aarch64/aarch64-tune.md: Regenerate.
        * doc/invoke.texi: Update docs.

2020-12-14  Nikhil Benesch  <nikhil.benesch@gmail.com>

        * godump.c (go_output_typedef): Suppress typedefs whose name
        matches the tag of the underlying struct, union, or enum.
        Output declarations for enums that do not appear in typedefs.

2020-12-13  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.c (vax_output_int_move): Unify push operation
        selection.

2020-12-13  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.c (vax_output_int_move): Check the correct
        operand for constant 0 push operation.

2020-12-13  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.c (vax_expand_addsub_di_operands): Handle equal
        input operands with subtraction.

2020-12-13  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.c (vax_expand_addsub_di_operands): Handle the
        addition or subtraction of 0.

2020-12-13  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.c (vax_expand_addsub_di_operands): Remove
        unused register allocation.

2020-12-13  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.md (casesi): Use `gen_int_mode' rather than
        `GEN_INT' for the immediate used for lower bound adjustment.

2020-12-13  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/98256
        * tree-ssa-math-opts.c (match_uaddsub_overflow): For BIT_NOT_EXPR,
        only handle a single use, and insert .ADD_OVERFLOW before the
        comparison rather than after the BIT_NOT_EXPR.  Return true iff
        it is BIT_NOT_EXPR and it has been removed.
        (math_opts_dom_walker::after_dom_children) <case BIT_NOT_EXPR>:
        If match_uaddsub_overflow returned true, continue instead of break.

2020-12-13  Tamar Christina  <tamar.christina@arm.com>

        Revert:
        2020-12-13  Tamar Christina  <tamar.christina@arm.com>

        * config/arm/arm_mve.h (__arm_vcaddq_rot90_u8, __arm_vcaddq_rot270_u8,
        , __arm_vcaddq_rot90_s8, __arm_vcaddq_rot270_s8,
        __arm_vcaddq_rot90_u16, __arm_vcaddq_rot270_u16, __arm_vcaddq_rot90_s16,
        __arm_vcaddq_rot270_s16, __arm_vcaddq_rot90_u32,
        __arm_vcaddq_rot270_u32, __arm_vcaddq_rot90_s32,
        __arm_vcaddq_rot270_s32, __arm_vcmulq_rot90_f16,
        __arm_vcmulq_rot270_f16, __arm_vcmulq_rot180_f16,
        __arm_vcmulq_f16, __arm_vcaddq_rot90_f16, __arm_vcaddq_rot270_f16,
        __arm_vcmulq_rot90_f32, __arm_vcmulq_rot270_f32,
        __arm_vcmulq_rot180_f32, __arm_vcmulq_f32, __arm_vcaddq_rot90_f32,
        __arm_vcaddq_rot270_f32, __arm_vcmlaq_f16, __arm_vcmlaq_rot180_f16,
        __arm_vcmlaq_rot270_f16, __arm_vcmlaq_rot90_f16, __arm_vcmlaq_f32,
        __arm_vcmlaq_rot180_f32, __arm_vcmlaq_rot270_f32,
        __arm_vcmlaq_rot90_f32): Update builtin calls.
        * config/arm/arm_mve_builtins.def (vcaddq_rot90_u, vcaddq_rot270_u,
        vcaddq_rot90_s, vcaddq_rot270_s, vcaddq_rot90_f, vcaddq_rot270_f,
        vcmulq_f, vcmulq_rot90_f, vcmulq_rot180_f, vcmulq_rot270_f,
        vcmlaq_f, vcmlaq_rot90_f, vcmlaq_rot180_f, vcmlaq_rot270_f): Removed.
        (vcaddq_rot90, vcaddq_rot270, vcmulq, vcmulq_rot90, vcmulq_rot180,
        vcmulq_rot270, vcmlaq, vcmlaq_rot90, vcmlaq_rot180, vcmlaq_rot270):
        New.
        * config/arm/constraints.md (Dz): Include MVE.
        * config/arm/iterators.md (mve_rotsplit1, mve_rotsplit2): New.
        (rot): Add UNSPEC_VCMLS, UNSPEC_VCMUL and UNSPEC_VCMUL180.
        (rot_op, rotsplit1, rotsplit2, fcmac1, VCMLA_OP, VCMUL_OP): New.
        * config/arm/mve.md (VCADDQ_ROT270_S, VCADDQ_ROT90_S, VCADDQ_ROT270_U,
        VCADDQ_ROT90_U, VCADDQ_ROT270_F, VCADDQ_ROT90_F, VCMULQ_F,
        VCMULQ_ROT180_F, VCMULQ_ROT270_F, VCMULQ_ROT90_F, VCMLAQ_F,
        VCMLAQ_ROT180_F, VCMLAQ_ROT90_F, VCMLAQ_ROT270_F, VCADDQ_ROT270_S,
        VCADDQ_ROT270, VCADDQ_ROT90): Removed.
        (mve_rot, VCMUL): New.
        (mve_vcaddq_rot270_<supf><mode, mve_vcaddq_rot90_<supf><mode>,
        mve_vcaddq_rot270_f<mode>, mve_vcaddq_rot90_f<mode>, mve_vcmulq_f<mode,
        mve_vcmulq_rot180_f<mode>, mve_vcmulq_rot270_f<mode>,
        mve_vcmulq_rot90_f<mode>, mve_vcmlaq_f<mode>, mve_vcmlaq_rot180_f<mode>,
        mve_vcmlaq_rot270_f<mode>, mve_vcmlaq_rot90_f<mode>): Removed.
        (mve_vcmlaq<mve_rot><mode>, mve_vcmulq<mve_rot><mode>,
        mve_vcaddq<mve_rot><mode>, cadd<rot><mode>3, mve_vcaddq<mve_rot><mode>):
        New.
        (cmul<rot_op><mode>3): Exclude MVE types.
        * config/arm/unspecs.md (UNSPEC_VCMUL90, UNSPEC_VCMUL270): New.
        * config/arm/vec-common.md (cadd<rot><mode>3, cmul<rot_op><mode>3,
        arm_vcmla<rot><mode>, cml<fcmac1><rot_op><mode>4): New.
        * config/arm/unspecs.md (UNSPEC_VCMUL, UNSPEC_VCMUL180, UNSPEC_VCMLS,
        UNSPEC_VCMLS180): New.
        * config/arm/neon.md (cmul<rot_op><mode>3): New.

2020-12-13  Jakub Jelinek  <jakub@redhat.com>

        PR target/92469
        * varasm.c (eliminable_regno_p): New function.
        (make_decl_rtl): Reject asm vars for frame and argp
        if they are different from hard frame pointer.

2020-12-13  Tamar Christina  <tamar.christina@arm.com>

        * config/arm/arm_mve.h (__arm_vcaddq_rot90_u8, __arm_vcaddq_rot270_u8,
        , __arm_vcaddq_rot90_s8, __arm_vcaddq_rot270_s8,
        __arm_vcaddq_rot90_u16, __arm_vcaddq_rot270_u16, __arm_vcaddq_rot90_s16,
        __arm_vcaddq_rot270_s16, __arm_vcaddq_rot90_u32,
        __arm_vcaddq_rot270_u32, __arm_vcaddq_rot90_s32,
        __arm_vcaddq_rot270_s32, __arm_vcmulq_rot90_f16,
        __arm_vcmulq_rot270_f16, __arm_vcmulq_rot180_f16,
        __arm_vcmulq_f16, __arm_vcaddq_rot90_f16, __arm_vcaddq_rot270_f16,
        __arm_vcmulq_rot90_f32, __arm_vcmulq_rot270_f32,
        __arm_vcmulq_rot180_f32, __arm_vcmulq_f32, __arm_vcaddq_rot90_f32,
        __arm_vcaddq_rot270_f32, __arm_vcmlaq_f16, __arm_vcmlaq_rot180_f16,
        __arm_vcmlaq_rot270_f16, __arm_vcmlaq_rot90_f16, __arm_vcmlaq_f32,
        __arm_vcmlaq_rot180_f32, __arm_vcmlaq_rot270_f32,
        __arm_vcmlaq_rot90_f32): Update builtin calls.
        * config/arm/arm_mve_builtins.def (vcaddq_rot90_u, vcaddq_rot270_u,
        vcaddq_rot90_s, vcaddq_rot270_s, vcaddq_rot90_f, vcaddq_rot270_f,
        vcmulq_f, vcmulq_rot90_f, vcmulq_rot180_f, vcmulq_rot270_f,
        vcmlaq_f, vcmlaq_rot90_f, vcmlaq_rot180_f, vcmlaq_rot270_f): Removed.
        (vcaddq_rot90, vcaddq_rot270, vcmulq, vcmulq_rot90, vcmulq_rot180,
        vcmulq_rot270, vcmlaq, vcmlaq_rot90, vcmlaq_rot180, vcmlaq_rot270):
        New.
        * config/arm/constraints.md (Dz): Include MVE.
        * config/arm/iterators.md (mve_rotsplit1, mve_rotsplit2): New.
        (rot): Add UNSPEC_VCMLS, UNSPEC_VCMUL and UNSPEC_VCMUL180.
        (rot_op, rotsplit1, rotsplit2, fcmac1, VCMLA_OP, VCMUL_OP): New.
        * config/arm/mve.md (VCADDQ_ROT270_S, VCADDQ_ROT90_S, VCADDQ_ROT270_U,
        VCADDQ_ROT90_U, VCADDQ_ROT270_F, VCADDQ_ROT90_F, VCMULQ_F,
        VCMULQ_ROT180_F, VCMULQ_ROT270_F, VCMULQ_ROT90_F, VCMLAQ_F,
        VCMLAQ_ROT180_F, VCMLAQ_ROT90_F, VCMLAQ_ROT270_F, VCADDQ_ROT270_S,
        VCADDQ_ROT270, VCADDQ_ROT90): Removed.
        (mve_rot, VCMUL): New.
        (mve_vcaddq_rot270_<supf><mode, mve_vcaddq_rot90_<supf><mode>,
        mve_vcaddq_rot270_f<mode>, mve_vcaddq_rot90_f<mode>, mve_vcmulq_f<mode,
        mve_vcmulq_rot180_f<mode>, mve_vcmulq_rot270_f<mode>,
        mve_vcmulq_rot90_f<mode>, mve_vcmlaq_f<mode>, mve_vcmlaq_rot180_f<mode>,
        mve_vcmlaq_rot270_f<mode>, mve_vcmlaq_rot90_f<mode>): Removed.
        (mve_vcmlaq<mve_rot><mode>, mve_vcmulq<mve_rot><mode>,
        mve_vcaddq<mve_rot><mode>, cadd<rot><mode>3, mve_vcaddq<mve_rot><mode>):
        New.
        (cmul<rot_op><mode>3): Exclude MVE types.
        * config/arm/unspecs.md (UNSPEC_VCMUL90, UNSPEC_VCMUL270): New.
        * config/arm/vec-common.md (cadd<rot><mode>3, cmul<rot_op><mode>3,
        arm_vcmla<rot><mode>, cml<fcmac1><rot_op><mode>4): New.
        * config/arm/unspecs.md (UNSPEC_VCMUL, UNSPEC_VCMUL180, UNSPEC_VCMLS,
        UNSPEC_VCMLS180): New.
        * config/arm/neon.md (cmul<rot_op><mode>3): New.

2020-12-13  Tamar Christina  <tamar.christina@arm.com>

        * config/arm/arm.c (arm_preferred_simd_mode): Add E_HFmode.

2020-12-13  Tamar Christina  <tamar.christina@arm.com>

        * tree-vect-slp-patterns.c: New file.
        * Makefile.in: Add it.
        * doc/passes.texi: Document it.
        * internal-fn.def (COMPLEX_ADD_ROT90, COMPLEX_ADD_ROT270): New.
        * optabs.def (cadd90_optab, cadd270_optab): New.
        * doc/md.texi: Document them.
        * tree-vect-loop.c (vect_analyze_loop_2): Add dissolve code.
        * tree-vect-slp.c:
        (vect_free_slp_instance, vect_create_new_slp_node): Export.
        (vect_match_slp_patterns_2, vect_match_slp_patterns): New.
        (vect_analyze_slp): Use it.
        * tree-vectorizer.h (vect_free_slp_tree): Export.
        (enum _complex_operation): Forward declare.
        (class vect_pattern): New

2020-12-13  Tamar Christina  <tamar.christina@arm.com>

        * tree-vect-patterns.c (vect_mark_pattern_stmts): Remove static inline.
        * tree-vect-slp.c (vect_create_new_slp_node): Remove static and only
        set smts if valid.
        * tree-vectorizer.c (vec_info::add_pattern_stmt): New.
        (vec_info::set_vinfo_for_stmt): Optionally enforce read-only.
        * tree-vectorizer.h (struct _slp_tree): Use new types.
        (lane_permutation_t, lane_permutation_t): New.
        (vect_create_new_slp_node, vect_mark_pattern_stmts): New.

2020-12-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/sourcebuild.texi (Commands for use in dg-final, Scan the
        assembly output, scan-assembler-symbol-section): Document.
        (scan-symbol-section): Document.

2020-12-13  Richard Sandiford  <richard.sandiford@arm.com>

        * is-a.h (reinterpret_is_a_helper): New class.
        (static_is_a_helper): Likewise.
        (is_a_helper): Inherit from reinterpret_is_a_helper.
        (is_a_helper<const T *>): New specialization.

2020-12-13  Richard Sandiford  <richard.sandiford@arm.com>

        * coretypes.h (iterator_range): Move to...
        * iterator-utils.h: ...this new file.

2020-12-13  Richard Sandiford  <richard.sandiford@arm.com>

        * rtlanal.c (noop_move_p): Don't check for REG_EQUAL notes.

2020-12-13  Richard Sandiford  <richard.sandiford@arm.com>

        * vec.h (vnull::operator vec<T, A, L>): Make const.

2020-12-12  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/96685
        * match.pd (~(X - Y) -> ~X + Y): New optimization.
        (~X + Y -> (Y - X) - 1): Likewise.

2020-12-12  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/96272
        * tree-ssa-math-opts.c (uaddsub_overflow_check_p): Add OTHER argument.
        Handle BIT_NOT_EXPR.
        (match_uaddsub_overflow): Optimize unsigned a > ~b into
        __imag__ .ADD_OVERFLOW (a, b).
        (math_opts_dom_walker::after_dom_children): Call match_uaddsub_overflow
        even for BIT_NOT_EXPR.

2020-12-12  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/98183
        * omp-low.c (lower_omp_target): Don't add OMP_RETURN for
        data regions.
        * omp-expand.c (expand_omp_target): Don't try to remove
        OMP_RETURN for data regions.
        (build_omp_regions_1, omp_make_gimple_edges): Don't expect
        OMP_RETURN for data regions.

2020-12-11  Nathan Sidwell  <nathan@acm.org>

        * gcc.c (cpp_unique_options): Add Mmodules, Mno-modules.
        * tree-core.h (enum tree_index): Add TI_MODULE_HWM.

2020-12-11  Jim Wilson  <jimw@sifive.com>

        * varasm.c (get_section): Add DECL_P check before DECL_PRESERVE_P.

2020-12-11  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/arm/iterators.md (VDQ): Remove TARGET_HAVE_MVE
        conditions.
        * config/arm/vec-common.md (and<mode>3): Use
        ARM_HAVE_<MODE>_ARITH.
        (ior<mode>3): Likewise.

2020-12-11  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_active_insn): Ignore all non essential
        instructions when getting the next active instruction.
        (check_store_cacheline_hazard): Update.
        (workaround_arc_anomaly): Remove obsolete cache hazard code.

2020-12-11  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_reorg): Avoid limm in BRcc.

2020-12-11  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc-protos.h (arc_scheduling_not_expected): Remove
        it.
        (arc_sets_cc_p): Likewise.
        (arc_need_delay): Likewise.
        * config/arc/arc.c (arc_sets_cc_p): Likewise.
        (arc_need_delay): Likewise.
        (arc_scheduling_not_expected): Likewise.
        * config/arc/arc.md: Convert adc/sbc patterns to simple
        instruction definitions.

2020-12-11  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/arm/iterators.md (supf): Remove VORRQ_S and VORRQ_U.
        (VORRQ): Remove.
        * config/arm/mve.md (mve_vorrq_s<mode>): New entry for vorr
        instruction using expression ior.
        (mve_vorrq_u<mode>): New expander.
        (mve_vorrq_f<mode>): Use ior code instead of unspec.
        * config/arm/neon.md (ior<mode>3): Renamed into ior<mode>3_neon.
        * config/arm/predicates.md (imm_for_neon_logic_operand): Enable
        for MVE.
        * config/arm/unspecs.md (VORRQ_S, VORRQ_U, VORRQ_F): Remove.
        * config/arm/vec-common.md (ior<mode>3): New expander.

2020-12-11  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.md (mpyd<su_optab>_arcv2hs): New template
        pattern.
        (*pmpyd<su_optab>_arcv2hs): Likewise.
        (*pmpyd<su_optab>_imm_arcv2hs): Likewise.
        (mpyd_arcv2hs): Moved into above template.
        (mpyd_imm_arcv2hs): Moved into above template.
        (mpydu_arcv2hs): Likewise.
        (mpydu_imm_arcv2hs): Likewise.
        (su_optab): New optab prefix for sign/zero-extending operations.

2020-12-11  H.J. Lu  <hjl.tools@gmail.com>

        PR target/98219
        * config/i386/uintrintrin.h (__uintr_frame): Remove uirrv.

2020-12-11  Andrea Corallo  <andrea.corallo@arm.com>

        * doc/sourcebuild.texi (arm_softfloat): Improve documentation.

2020-12-11  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/98229
        * optabs.c (expand_doubleword_mod): Canonicalize op1 and
        1 - INTVAL (op1) as word_mode constants when used in
        word_mode arithmetics.

2020-12-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/98235
        * tree-vect-slp.c (vect_build_slp_tree): Exchange npermutes
        for limit.  Decrement that for each cache miss and fail
        discovery when it reaches zero.
        (vect_build_slp_tree_2): Remove npermutes handling and
        simply pass down limit.
        (vect_build_slp_instance): Use pass down limit.
        (vect_analyze_slp_instance): Likewise.
        (vect_analyze_slp): Base the SLP discovery limit on
        max_tree_size and pass it down.

2020-12-11  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/98190
        * expr.c (expand_assignment): If to_rtx is a promoted SUBREG,
        ensure sign or zero extension either through use of store_expr
        or by extending manually.

2020-12-11  Andrea Corallo  <andrea.corallo@arm.com>

        PR rtl-optimization/97092
        * ira-color.c (update_costs_from_allocno): Do not carry over mode
        between subsequent iterations.

2020-12-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95582
        * tree-vect-patterns.c (vect_recog_bool_pattern): Check
        for VECT_SCALAR_BOOLEAN_TYPE_P, not just precision one.

2020-12-11  Hongyu  <hongyu.wang@intel.com>

        * common/config/i386/cpuinfo.h (get_available_features):
        Move check for HRESET/AVX_VNNI/UINTR out of avx512_usable.

2020-12-10  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/98212
        * dojump.c (do_compare_rtx_and_jump): Change computation of
        first_prob for and_them.  Add comment explaining and_them case.

2020-12-10  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/98174
        * gimple-range-cache.cc (ranger_cache::ssa_range_in_bb): Only push
        poor values to be examined if it isn't a pure global.
        (ranger_cache::block_range): Don't process pure globals.
        (ranger_cache::fill_block_cache): Adjust has_edge_range call.
        * gimple-range-gori.cc (gori_map::all_outgoing): New bitmap.
        (gori_map::gori_map): Allocate all_outgoing.
        (gori_map::is_export_p): No specified BB returns global context.
        (gori_map::calculate_gori): Accumulate each block into global.
        (gori_compute::gori_compute): Preprocess each block for exports.
        (gori_compute::has_edge_range_p): No edge returns global context.
        * gimple-range-gori.h (has_edge_range_p): Provide default parameter.

2020-12-10  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (loc_list_from_tree_1) <PLACEHOLDER_EXPR>: Deal with
        a nested context type

2020-12-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * cfgexpand.c (expand_gimple_basic_block): Remove special handling
        of debug_inline_entries without block info.
        * tree-inline.c (remap_gimple_stmt): Drop debug_nonbind_markers when
        the call statement has no block info.
        (copy_debug_stmt): Remove debug_nonbind_markers when inlining
        and the block info is mapped to NULL.
        * tree-ssa-live.c (clear_unused_block_pointer): Remove
        debug_nonbind_markers originating from removed inline functions.

2020-12-10  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (vectorizable_assignment): Remove special
        allowance of VECTOR_BOOLEAN_TYPE_P conversions.

2020-12-10  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/arm/iterators.md (supf): Remove VANDQ_S and VANDQ_U.
        (VANQ): Remove.
        (VDQ): Add TARGET_HAVE_MVE condition where relevant.
        * config/arm/mve.md (mve_vandq_u<mode>): New entry for vand
        instruction using expression 'and'.
        (mve_vandq_s<mode>): New expander.
        (mve_vaddq_n_f<mode>): Use 'and' code instead of unspec.
        * config/arm/neon.md (and<mode>3): Rename into and<mode>3_neon.
        * config/arm/predicates.md (imm_for_neon_inv_logic_operand):
        Enable for MVE.
        * config/arm/unspecs.md (VANDQ_S, VANDQ_U, VANDQ_F): Remove.
        * config/arm/vec-common.md (and<mode>3): New expander.

2020-12-10  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/98069
        * tree-data-ref.c (compute_distributive_range): New function.
        (nop_conversion_for_offset_p): Likewise.
        (split_constant_offset): In the internal overload, treat integer
        expressions as having an implicit cast to sizetype and express
        them accordingly.  Pass back the range of the original (uncast)
        expression in a new range parameter.
        (split_constant_offset_1): Likewise.  Rework the handling of
        conversions to account for the implicit sizetype casts.

2020-12-10  Joel Hutton  <joel.hutton@arm.com>

        PR tree-optimization/97929
        * tree-vect-data-refs.c (vect_get_smallest_scalar_type): Add
        WIDEN_PLUS/WIDEN_MINUS case.

2020-12-10  Joel Hutton  <joel.hutton@arm.com>

        * tree-pretty-print.c (dump_generic_node): Add case for
        VEC_WIDEN_(PLUS/MINUS)_(HI/LO)_EXPR and WIDEN_(PLUS/MINUS)_EXPR.

2020-12-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/98211
        * tree-vect-stmts.c (vectorizable_assignment): Disallow
        invalid conversions to bool vector types.

2020-12-10  Alexandre Oliva  <oliva@adacore.com>

        * tree.c (build_common_builtin_nodes): Drop __builtin_ from
        __clear_cache libname.

2020-12-10  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/98212
        * dojump.c (do_compare_rtx_and_jump): When splitting NE and backend
        can do UNEQ, prefer splitting x != y into x unord y || !(x uneq y)
        instead of into x unord y || x ltgt y.

2020-12-10  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/98169
        * dojump.c (do_compare_rtx_and_jump): Don't split self-EQ/NE
        comparisons, just use ORDERED or UNORDERED.

2020-12-10  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/98205
        * omp-expand.c (expand_omp_for_generic): Fix up broken_loop handling.

2020-12-10  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_get_and_check_slp_defs): Do
        not mark the defs to occur in a pattern if it is the
        pattern root and record the original stmt defs in that
        case.

2020-12-10  Simon Cook  <simon.cook@embecosm.com>

        * config/riscv/multilib-generator (arch_canonicalize): Invoke
        python interpreter when calling arch-canonicalize script.

2020-12-10  Nikhil Benesch  <nikhil.benesch@gmail.com>

        * godump.c (go_format_type): Don't consider whether a type has
        been seen when determining whether to output a type by name.
        Consider only the use_type_name parameter.
        (go_output_typedef): When outputting a typedef, format the
        declaration's original type, which contains the name of the
        underlying type rather than the name of the typedef.

2020-12-09  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/98188
        * tree-ssa-phiopt.c (two_value_replacement): Don't special case
        BOOLEAN_TYPEs for ranges, instead if get_range_info doesn't return
        VR_RANGE, set min/max to wi::min/max_value.

2020-12-09  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>

        * config/aarch64/aarch64-option-extensions.def
        (AARCH64_OPT_EXTENSION): New +pauth option in -march for AArch64.
        * config/aarch64/aarch64.h (AARCH64_FL_PAUTH): New pauth extension bitmask.
        (AARCH64_ISA_PUATH): New ISA bitmask for PAUTH.
        (AARCH64_FL_FOR_ARCH8_3): Add PAUTH to Armv8.3-A.
        (TARGET_PAUTH): New target mask to isolate PAUTH instructions.
        * config/aarch64/aarch64.md (do_return): Condition set to TARGET_PAUTH.
        * doc/invoke.texi: Update docs for +flagm and +pauth.

2020-12-09  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (REG_ALLOC_ORDER): Remove

2020-12-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/98213
        * tree-ssa-loop-im.c (sm_seq_valid_bb): Cache successfully
        processed PHIs.
        (hoist_memory_references): Adjust.

2020-12-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64-protos.h (cpu_vector_cost): Move simd
        fields to...
        (simd_vec_cost): ... Here.  Define.
        (advsimd_vec_cost): Define.
        (sve_vec_cost): Define.
        * config/aarch64/aarch64.c (generic_advsimd_vector_cost):
        Define.
        (generic_sve_vector_cost): Likewise.
        (generic_vector_cost): Update.
        (qdf24xx_advsimd_vector_cost): Define.
        (qdf24xx_vector_cost): Update.
        (thunderx_advsimd_vector_cost): Define.
        (thunderx_vector_cost): Update.
        (tsv110_advsimd_vector_cost): Define.
        (tsv110_vector_cost): Likewise.
        (cortexa57_advsimd_vector_cost): Define.
        (cortexa57_vector_cost): Update.
        (exynosm1_advsimd_vector_cost): Define.
        (exynosm1_vector_cost): Update.
        (xgene1_advsimd_vector_cost): Define.
        (xgene1_vector_cost): Update.
        (thunderx2t99_advsimd_vector_cost): Define.
        (thunderx2t99_vector_cost): Update.
        (thunderx3t110_advsimd_vector_cost): Define.
        (thunderx3t110_vector_cost): Update.
        (aarch64_builtin_vectorization_cost): Handle sve and advsimd
        vector cost fields.

2020-12-09  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/98199
        * fold-const.c (native_encode_initializer): Fix handling bit-fields
        when off > 0.

2020-12-09  Jakub Jelinek  <jakub@redhat.com>

        PR c++/98193
        * fold-const.c (native_encode_initializer): Set pos to field's
        byte position if iterating over a field with missing initializer.

2020-12-08  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/98182
        * gimple-if-to-switch.cc (pass_if_to_switch::execute): Request
        chain linkage through false edges only.

2020-12-08  Nathan Sidwell  <nathan@acm.org>

        * tree.h (DECL_ALIGN_RAW): New.
        (DECL_ALIGN): Use it.
        (DECL_WARN_IF_NOT_ALIGN_RAW): New.
        (DECL_WARN_IF_NOT_ALIGN): Use it.
        (SET_DECL_WARN_IF_NOT_ALIGN): Likewise.

2020-12-08  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        PR target/66791
        * config/arm/arm_neon.h: Replace calls to __builtin_vmvn* by ~
        in vmvn intrinsics.
        * config/arm/arm_neon_builtins.def: Remove entry for vmvn.

2020-12-08  Jakub Jelinek  <jakub@redhat.com>

        PR target/94440
        * config/i386/i386.opt (ix86_excess_precision,
        ix86_unsafe_math_optimizations): New TargetVariables.
        * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): Use
        ix86_unsafe_math_optimizations instead of
        flag_unsafe_math_optimizations and ix86_excess_precision instead of
        flag_excess_precision.
        * config/i386/i386.c (ix86_excess_precision): Rename to ...
        (ix86_get_excess_precision): ... this.
        (TARGET_C_EXCESS_PRECISION): Define to ix86_get_excess_precision.
        * config/i386/i386-options.c (ix86_valid_target_attribute_tree,
        ix86_option_override_internal): Update ix86_unsafe_math_optimization
        from flag_unsafe_math_optimizations and ix86_excess_precision
        from flag_excess_precision when constructing target option nodes.
        (ix86_set_current_function): If flag_unsafe_math_optimizations
        or flag_excess_precision is different from the one recorded
        in TARGET_OPTION_NODE, create a new target option node for the
        current function and switch to that.

2020-12-08  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/98192
        * tree-vect-slp.c (vect_build_slp_instance): Get scalar_stmts
        by reference.

2020-12-08  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/98191
        * tree-vect-slp.c (vect_slp_check_for_constructors): Do not
        follow a non-SSA def chain.

2020-12-08  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97559
        * tree-ssa-sink.c (statement_sink_location): Never ignore
        PHIs on sink paths in irreducible regions.

2020-12-08  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        PR target/97872
        * gimple-isel.cc (gimple_expand_vec_cond_expr): Try to fold
        x CMP y ? -1 : 0 to x CMP y.

2020-12-08  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/98180
        * tree-vect-slp.c (vect_slp_check_for_constructors): Check the
        first inserted value has a def.

2020-12-08  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/96344
        * tree-switch-conversion.c (bit_test_cluster::emit): Compute the
        range only if an entry test is necessary.  Merge the entry test in
        the bit test when possible.  Use PREC local variable consistently.
        When there is only one test, do a single gimplification at the end.

2020-12-08  Kito Cheng  <kito.cheng@sifive.com>

        PR target/98152
        * config.gcc (riscv*-*-*): Checking python, python3 or python2
        is available, and skip doing with_arch canonicalize if no python
        available.

2020-12-07  Jakub Jelinek  <jakub@redhat.com>

        PR target/98147
        * builtins.c (default_emit_call_builtin___clear_cache): Call
        convert_memory_address to ptr_mode on both begin and end.

2020-12-07  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * ipa-param-manipulation.c
        (ipa_param_body_adjustments::modify_call_stmt): Set location info.

2020-12-07  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * doc/extend.texi (used function attribute): Document saving
        the declaration from linker garbage collection.
        (used variable attribute): Likewise.

2020-12-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/98113
        * tree-vectorizer.h (struct slp_root): New.
        (_bb_vec_info::roots): New member.
        * tree-vect-slp.c (vect_analyze_slp): Also walk BB info
        roots.
        (_bb_vec_info::_bb_vec_info): Adjust.
        (_bb_vec_info::~_bb_vec_info): Likewise.
        (vld_cmp): New.
        (vect_slp_is_lane_insert): Likewise.
        (vect_slp_check_for_constructors): Match a series of
        BIT_INSERT_EXPRs as vector constructor.
        (vect_slp_analyze_bb_1): Continue if BB info roots is
        not empty.
        (vect_slp_analyze_bb_1): Mark the whole BIT_INSERT_EXPR root
        sequence as pure_slp.

2020-12-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/98117
        * tree-vect-loop-manip.c (vect_gen_vector_loop_niters):
        Properly handle degenerate niter when setting the vector
        loop IV range.

2020-12-07  Andreas Krebbel  <krebbel@linux.ibm.com>

        * config/s390/s390.c (s390_emit_stack_probe): Change Pmode to
        word_mode.

2020-12-07  Martin Jambor  <mjambor@suse.cz>

        PR ipa/97816
        * ipa-cp.c (safe_add): Removed.
        (good_cloning_opportunity_p): Remove special handling of INT_MAX.
        (value_topo_info<valtype>::propagate_effects): Take care not to
        propagate from size one value to another through more sources.  Scale
        propagated times with edge frequencies.  Include local time and size
        in propagates ones here.  Take care not to overflow size.
        (decide_about_value): Do not add local and propagated effects when
        passing them to good_cloning_opportunity_p.

2020-12-07  Matthias Klose  <doko@ubuntu.com>

        * genextract.c (print_header): Undefine ENABLE_RTL_CHECKING
        and ENABLE_RTL_FLAG_CHECKING.

2020-12-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/98137
        * tree-data-ref.c (split_constant_offset_1): Use
        determine_value_range instead of get_range_info to handle
        arbitrary expressions.

2020-12-06  H.J. Lu  <hjl.tools@gmail.com>

        PR target/98162
        * doc/extend.texi: Remove -mcet.

2020-12-06  H.J. Lu  <hjl.tools@gmail.com>

        PR target/98161
        * config/i386/i386-features.c (pseudo_reg_set): Check mode of
        pseudo register push.

2020-12-06  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/96232
        * tree-ssa-phiopt.c (two_value_replacement): Optimize even boolean lhs
        cases as long as arg0 has wider precision and conditional_replacement
        doesn't handle that case.
        (tree_ssa_phiopt_worker): Don't call two_value_replacement during
        early phiopt.

2020-12-06  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/96232
        * match.pd (-(type)!A -> (type)A - 1): New optimization.

2020-12-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
            David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/xcoff.h (ASM_OUTPUT_DEF): Reference macro arguments.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        PR target/95294
        * config/vax/elf.h (REGISTER_NAMES): Append `%psl'.
        * config/vax/vax-modes.def (CCN, CCNZ, CCZ): New modes.
        * config/vax/vax-protos.h (vax_select_cc_mode): New prototype.
        (vax_maybe_split_dimode_move): Likewise.
        (vax_notice_update_cc): Remove prototype.
        * config/vax/vax.c (TARGET_FLAGS_REGNUM): New macro.
        (TARGET_CC_MODES_COMPATIBLE): Likewise.
        (TARGET_MD_ASM_ADJUST): Likewise.
        (vax_select_cc_mode): New function
        (vax_cc_modes_compatible): Likewise.
        (vax_md_asm_adjust): Likewise.
        (vax_notice_update_cc): Remove function.
        (vax_output_int_move): Factor out code checking if a DImode move
        may have to be split...
        (vax_maybe_split_dimode_move): ... into this new function.
        * config/vax/vax.h (FIRST_PSEUDO_REGISTER): Bump up.
        (FIXED_REGISTERS): Append an entry for PSL.
        (CALL_USED_REGISTERS): Likewise.
        (NOTICE_UPDATE_CC, OUTPUT_JUMP): Remove macros.
        (SELECT_CC_MODE): New macro.
        (REGISTER_NAMES): Append `psl'.
        * config/vax/predicates.md (const_zero_operand)
        (vax_cc_comparison_operator, vax_ccn_comparison_operator)
        (vax_ccnz_comparison_operator, vax_ccz_comparison_operator):
        New predicates.
        * config/vax/builtins.md: Rewrite for MODE_CC representation.
        * config/vax/vax.md: Likewise.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/elf.h (VAX_CC1_SPEC, VAX_CC1PLUS_SPEC): New macros.
        * config/vax/netbsd-elf.h (CC1_SPEC): Use VAX_CC1_SPEC rather
        than VAX_CC1_AND_CC1PLUS_SPEC.
        (CC1PLUS_SPEC): Use VAX_CC1PLUS_SPEC rather than
        VAX_CC1_AND_CC1PLUS_SPEC.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/pdp11/pdp11.md (fcc_cc, fcc_ccnz): Use
        `const_double_zero' to express double zero constant.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * read-rtl.c (rtx_reader::read_rtx_code): Handle syntactic
        `const_double_zero' rtx.
        * doc/rtl.texi (Constant Expression Types): Document it.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.md (divmoddisi4, *amulsi4): Make the comment
        notation consistent with the rest of the file.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.md (movti): Fix output predicate.  Emit `movo'
        rather than `movh'.
        (divmoddisi4): Fix output predicates, correct RTL.
        (*amulsi4): Name insn.  Fix output predicate.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.md (mulsidi3): Fix the multiplicand predicates.
        (*maddsidi4, *maddsidi4_const): Likewise.  Name insns.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.md (*cmpv_2): Name insn.
        (*cmpv, *cmpzv, *cmpzv_2): Likewise.  Fix location predicate and
        constraint.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.md (extv): Rename insn to...
        (*extv): ... this.
        (extv): New expander.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.md (*insv_aligned, *extzv_aligned)
        (*extv_aligned): Also make sure the memory address of a bit-field
        location can be adjusted in the PIC mode.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.md (*insv_aligned, *extzv_aligned)
        (*extv_aligned): Reject register bit-field locations that are not
        aligned to the least significant bit; update output statement
        accordingly.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.md (*insv_aligned, *extzv_aligned)
        (*extv_aligned, *extv_non_const, *extzv_non_const): Name insns.
        Fix location predicate.
        (*extzv): Name insn.
        (*insv): Likewise.  Fix location constraint.
        (*insv_2): Likewise, and the predicate.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.md (cpymemhi1): Rename insn to...
        (movmemhi1): ... this.
        (cpymemhi): Update accordingly.  Remove constraints.
        (movmemhi): New expander.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/builtins.md: Add a peephole2 for QImode and HImode
        `ctz' operations.
        (any_extend): New code iterator.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/builtins.md (width): New mode attribute.
        (ffssi2): Rework expander into...
        (ffs<mode>2): ... this.
        (ctzsi2): Rework insn into...
        (ctz<mode>2): ... this.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/builtins.md (ffssi2_internal): Rename insn to...
        (ctzsi2): ... this.  Update the RTL operation.
        (ffssi2): Update accordingly.
        * config/vax/vax.c (vax_notice_update_cc): Handle CTZ.
        * config/vax/vax.h (CTZ_DEFINED_VALUE_AT_ZERO): New macro.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.md: Include `builtins.md'.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/predicates.md (volatile_mem_operand)
        (any_memory_operand): New predicates.
        * config/vax/builtins.md (VUNSPEC_UNLOCK): Remove constant.
        (sync_lock_test_and_set<mode>): Remove `set' and `unspec'
        operations, match operands only.  Reformat.
        (sync_lock_release<mode>): Likewise.  Remove cruft.
        (jbb<ccss>i<mode>): Wrap into `unspec_volatile', use
        `any_memory_operand' predicate.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/builtins.md (bit): New int iterator.
        (ccss): New int attribute.
        (jbbssi<mode>, jbbcci<mode>): Fold insns into...
        (jbb<ccss>i<mode>): ... this.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/builtins.md (bb_mem): New mode attribute.
        (jbbssiqi, jbbssihi, jbbssisi): Fold insns into...
        (jbbssi<mode>): ... this.
        (jbbcciqi, jbbccihi, jbbccisi): Likewise...
        (jbbcci<mode>): ... this.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * jump.c (pc_set): Also accept a jump wrapped in UNSPEC or
        UNSPEC_VOLATILE.
        (any_uncondjump_p, any_condjump_p): Update comment accordingly.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * loop-doloop.c (add_test): Only remove the jump if `onlyjump_p'.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * cfgrtl.c (rtl_block_empty_p): Return false if `!onlyjump_p'
        too.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * sel-sched-ir.c (maybe_tidy_empty_bb): Only try to remove a
        conditional jump if `onlyjump_p'.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * loop-iv.c (simplify_using_initial_values): Only process jumps
        that match `onlyjump_p'.
        (check_simple_exit): Likewise.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * ifcvt.c (dead_or_predicable) [!IFCVT_MODIFY_TESTS]: Bail out
        if `!onlyjump_p'.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * read-rtl.c: Add a page-feed separator at the start of iterator
        code.
        (struct iterator_group): Change the return type to HOST_WIDE_INT
        for the `find_builtin' member.  Likewise the second parameter
        type for the `apply_iterator' member.
        (atoll) [!HAVE_ATOQ]: Reorder.
        (find_mode, find_code): Change the return type to HOST_WIDE_INT.
        (apply_mode_iterator, apply_code_iterator)
        (apply_subst_iterator): Change the second parameter type to
        HOST_WIDE_INT.
        (find_int): Handle input suitable for HOST_WIDE_INT output.
        (apply_int_iterator): Rewrite in terms of explicit format
        interpretation.
        (rtx_reader::read_rtx_operand) <'w'>: Fold into...
        <'i', 'n', 'p'>: ... this.
        * doc/md.texi (Int Iterators): Document 'w' rtx format support.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/builtins.md (ffssi2): Make preparation statements
        actually buildable.
        (ffssi2_internal): Fix input constraints; make the RTL pattern
        match reality for `cc0'.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.c (vax_address_cost): Express the cost in terms
        of COSTS_N_INSNS.
        (vax_rtx_costs): Likewise.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/constraints.md (A): New constraint.
        * config/vax/predicates.md (external_symbolic_operand)
        (external_const_operand): Remove predicates.
        (local_symbolic_operand): Rename to...
        (pic_symbolic_operand): ... this, and rework.
        (external_memory_operand): Rename to...
        (non_pic_external_memory_operand): ... this, and rework.
        (illegal_blk_memory_operand, illegal_addsub_di_memory_operand):
        Update accordingly.
        * config/vax/vax-protos.h (vax_acceptable_pic_operand_p): New
        prototype.
        * config/vax/vax.c (vax_acceptable_pic_operand_p): New function.
        (vax_output_int_add): Update according to predicate rework.
        * config/vax/vax.h (LEGITIMATE_PIC_OPERAND_P): New macro.
        * config/vax/vax.md (pushlclsymreg, pushextsymreg): Fold
        together, and rename to...
        (*pushsymreg): ... this.  Use the `pic_symbolic_operand'
        predicate and the `A' constraint for the displacement operand.
        (movlclsymreg, movextsymreg): Fold together, and rename to...
        (*movsymreg): ... this.  Use the `pic_symbolic_operand'
        predicate and the `A' constraint for the displacement operand.
        (pushextsym, pushlclsym): Fold together, and rename to...
        (*pushsym): ... this.  Use the `pic_symbolic_operand' predicate
        and the `A' constraint for the displacement operand.
        (movextsym, movlclsym): Fold together, and rename to...
        (*movsym): ... this.  Use the `pic_symbolic_operand' predicate
        and the `A' constraint for the displacement operand.

2020-12-05  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.c (print_operand): Replace `c' and `C' with
        `k' and `K' respectively.
        * config/vax/vax.md (*branch, *branch_reversed): Update
        accordingly.

2020-12-05  Matt Thomas  <matt@3am-software.com>
            Maciej W. Rozycki  <macro@linux-mips.org>

        PR target/58901
        * reload.c (push_reload): Also reload the inner expression of a
        SUBREG for pseudos associated with a mode-dependent memory
        reference.
        (find_reloads): Force a reload likewise.

2020-12-05  Roman Zhuykov  <zhroma@ispras.ru>

        PR rtl-optimization/97421
        * modulo-sched.c (generate_prolog_epilog): Remove forward
        declaration, adjust last argument name and type.
        (const_iteration_count): Add bool pointer parameter to return
        whether count register is read in pre-header after its
        initialization.
        (sms_schedule): Fix count register initialization adjustment
        procedure according to what const_iteration_count said.

2020-12-05  Iain Sandoe  <iain@sandoe.co.uk>

        PR target/97865
        * configure: Regenerate.

2020-12-05  Venkataramanan Kumar  <Venkataramanan.Kumar@amd.com>
            Sharavan Kumar  <Shravan.Kumar@amd.com>

        * common/config/i386/cpuinfo.h (get_amd_cpu) recognize znver3.
        * common/config/i386/i386-common.c (processor_names): Add
        znver3.
        (processor_alias_table): Add znver3 and AMDFAM19H entry.
        * common/config/i386/i386-cpuinfo.h (processor_types): Add
        AMDFAM19H.
        (processor_subtypes): AMDFAM19H_ZNVER3.
        * config.gcc (i[34567]86-*-linux* | ...): Likewise.
        * config/i386/driver-i386.c: (host_detect_local_cpu): Let
        -march=native recognize znver3 processors.
        * config/i386/i386-c.c (ix86_target_macros_internal): Add
        znver3.
        * config/i386/i386-options.c (m_znver3): New definition.
        (m_ZNVER): Include m_znver3.
        (processor_cost_table): Add znver3.
        * config/i386/i386.c (ix86_reassociation_width): Likewise.
        * config/i386/i386.h (TARGET_znver3): New definition.
        (enum processor_type): Add PROCESSOR_ZNVER3.
        * config/i386/i386.md (define_attr "cpu"): Add znver3.
        * config/i386/x86-tune-sched.c: (ix86_issue_rate): Likewise.
        (ix86_adjust_cost): Likewise.
        * config/i386/x86-tune.def (X86_TUNE_AVOID_256FMA_CHAINS:
        Likewise.
        * config/i386/znver1.md: Add new reservations for znver3.
        * doc/extend.texi: Add details about znver3.
        * doc/invoke.texi: Likewise.

2020-12-05  Jakub Jelinek  <jakub@redhat.com>

        PR target/96226
        * config/i386/i386.md (splitter after *<rotate_insn><mode>3_mask,
        splitter after *<rotate_insn><mode>3_mask_1): Drop the masking from
        the patterns to split into.

2020-12-04  Jason Merrill  <jason@redhat.com>

        * vec.h (begin, end): Add overloads for vec*.
        * tree.c (build_constructor_from_vec): Remove *.

2020-12-04  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/rs6000.c (rs6000_option_override_internal):
        Change PTR_SIZE to POINTER_SIZE_UNITS.

2020-12-04  Hans-Peter Nilsson  <hp@axis.com>
            Martin Sebor  <msebor@redhat.com>

        PR middle-end/94600
        * doc/implement-c.texi (Qualifiers implementation): Add blurb
        about access to the whole of a volatile aggregate object, only for
        same-size as a scalar object.

2020-12-04  Jakub Jelinek  <jakub@redhat.com>

        PR c++/98130
        * gimple.c (gimple_call_fnspec): Only return ".co " for replaceable
        operator delete or ".mC" for replaceable operator new called from
        new/delete.

2020-12-04  Jakub Jelinek  <jakub@redhat.com>

        PR target/96226
        * config/i386/i386.md (splitter after *<rotate_insn><mode>3_mask,
        splitter after *<rotate_insn><mode>3_mask_1): New combine splitters.

2020-12-04  Jakub Jelinek  <jakub@redhat.com>

        PR libstdc++/93121
        * fold-const.c (native_encode_initializer): Use build_zero_cst
        instead of build_constructor.

2020-12-04  Jakub Jelinek  <jakub@redhat.com>

        PR target/98100
        * cfgexpand.c (expand_gimple_basic_block): For vars with
        vector type, use TYPE_MODE rather than DECL_MODE.

2020-12-04  Jakub Jelinek  <jakub@redhat.com>

        * common.opt (-gdwarf32, -gdwarf64): New options.
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Default
        dwarf_offset_size to 8 if not overridden from the command line.
        * dwarf2out.c: Change all occurrences of DWARF_OFFSET_SIZE to
        dwarf_offset_size.
        * doc/invoke.texi (-gdwarf32, -gdwarf64): Document.

2020-12-04  Martin Liska  <mliska@suse.cz>

        * doc/tm.texi: Change argument of the record_gcc_switches
        hook and remove SWITCH_TYPE_* enum values.
        * dwarf2out.c (gen_producer_string): Move to opts.c and remove
        handling of the dwarf_record_gcc_switches option.
        (dwarf2out_early_finish): Use moved gen_producer_string
        function.
        * opts.c (gen_producer_string): New.
        * opts.h (gen_producer_string): New.
        * target.def: Change type of record_gcc_switches.
        * target.h (enum print_switch_type): Remove.
        (elf_record_gcc_switches): Change first argument.
        * toplev.c (MAX_LINE): Remove.
        (print_to_asm_out_file):  Likewise.
        (print_to_stderr): Likewise.
        (print_single_switch): Likewise.
        (print_switch_values): Likewise.
        (init_asm_output): Use new gen_producer_string function.
        (process_options): Likewise.
        * varasm.c (elf_record_gcc_switches): Just save the string argument
        to the ELF container.

2020-12-04  Eric Botcazou  <ebotcazou@adacore.com>

        * ipa-sra.c (verify_access_tree_1): Relax assertion on the size.

2020-12-04  Martin Liska  <mliska@suse.cz>

        * doc/invoke.texi: Add missing params.

2020-12-03  Martin Sebor  <msebor@redhat.com>

        PR c++/90629
        PR middle-end/94527
        * builtins.c (access_ref::access_ref): Initialize new member.
        (compute_objsize): Use access_ref::deref.  Handle simple pointer
        assignment.
        (expand_builtin): Remove handling of the free built-in.
        (call_dealloc_argno): Same.
        (find_assignment_location): New function.
        (fndecl_alloc_p): Same.
        (gimple_call_alloc_p): Same.
        (call_dealloc_p): Same.
        (matching_alloc_calls_p): Same.
        (warn_dealloc_offset): Same.
        (maybe_emit_free_warning): Same.
        * builtins.h (struct access_ref): Declare new member.
        (maybe_emit_free_warning): Make extern.  Make use of access_ref.
        Handle -Wmismatched-new-delete.
        * calls.c (initialize_argument_information): Call
        maybe_emit_free_warning.
        * doc/extend.texi (attribute malloc): Update.
        * doc/invoke.texi (-Wfree-nonheap-object): Expand documentation.
        (-Wmismatched-new-delete): Document new option.
        (-Wmismatched-dealloc): Document new option.

2020-12-03  Alexandre Oliva  <oliva@adacore.com>

        * tree.c (build_common_builtin_nodes): Declare
        __builtin___clear_cache for all languages.
        * builtins.c (maybe_emit_call_builtin___clear_cache): Accept
        Pmode arguments.

2020-12-03  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * config/arm/t-rtems: Add "-mthumb -mcpu=cortex-r52
        -mfloat-abi=hard" multilib.

2020-12-03  Uroš Bizjak  <ubizjak@gmail.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/98086
        * config/i386/i386.c (ix86_md_asm_adjustmd): Rewrite
        zero-extension part to use convert_to_mode.

2020-12-03  Andreas Krebbel  <krebbel@linux.ibm.com>

        * config/s390/s390.md ("@probe_stack2<mode>"): Change mode
        iterator to W.

2020-12-03  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-sve-builtins-base.cc (svundef_impl::fold):
        Delete.

2020-12-03  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/98099
        * expmed.c (flip_storage_order): In the case of a non-integer mode,
        sorry out if the integer mode to be used instead is not supported.

2020-12-03  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/98082
        * function.c (use_register_for_decl): Also return true for a result
        if cfun->tail_call_marked is true.

2020-12-03  Jakub Jelinek  <jakub@redhat.com>

        PR libstdc++/93121
        * fold-const.h (native_encode_initializer): Add mask argument
        defaulted to nullptr.
        (find_bitfield_repr_type): Declare.
        (native_interpret_aggregate): Declare.
        * fold-const.c (find_bitfield_repr_type): New function.
        (native_encode_initializer): Add mask argument and support for
        filling it.  Handle also some bitfields without integral
        DECL_BIT_FIELD_REPRESENTATIVE.
        (native_interpret_aggregate): New function.
        * gimple-fold.h (clear_type_padding_in_mask): Declare.
        * gimple-fold.c (struct clear_padding_struct): Add clear_in_mask
        member.
        (clear_padding_flush): Handle buf->clear_in_mask.
        (clear_padding_union): Copy clear_in_mask.  Don't error if
        buf->clear_in_mask is set.
        (clear_padding_type): Don't error if buf->clear_in_mask is set.
        (clear_type_padding_in_mask): New function.
        (gimple_fold_builtin_clear_padding): Set buf.clear_in_mask to false.
        * doc/extend.texi (__builtin_bit_cast): Document.

2020-12-03  Ilya Leoshkevich  <iii@linux.ibm.com>

        * tree-ssa-threadedge.c (record_temporary_equivalences_from_stmts_at_dest):
        Do not allow __builtin_constant_p on a threading path.

2020-12-03  Ilya Leoshkevich  <iii@linux.ibm.com>

        * tree-ssa-strlen.c (printf_strlen_execute): Avoid division by
        0.

2020-12-03  Kito Cheng  <kito.cheng@sifive.com>

        * config/riscv/multilib-generator (arch_canonicalize): Move
        code to arch-canonicalize, and call that script to canonicalize arch
        string.
        (canonical_order): Move code to arch-canonicalize.
        (LONG_EXT_PREFIXES): Ditto.
        (IMPLIED_EXT): Ditto.
        * config/riscv/arch-canonicalize: New.
        * config.gcc (riscv*-*-*): Canonicalize --with-arch.

2020-12-03  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>

        * config/aarch64/aarch64-option-extensions.def
        (AARCH64_OPT_EXTENSION): New +flagm option in -march for AArch64.
        * config/aarch64/aarch64.h (AARCH64_FL_FLAGM): Add new flagm extension bit
        mask.
        (AARCH64_FL_FOR_ARCH8_4): Add flagm to Armv8.4-A.
        * doc/invoke.texi: Update docs with +flagm.

2020-12-03  liuhongt  <hongtao.liu@intel.com>

        PR target/96906
        * config/i386/sse.md
        (<avx512>_ucmp<mode>3<mask_scalar_merge_name>): Add a new
        define_split after this insn.

2020-12-03  liuhongt  <hongtao.liu@intel.com>

        PR target/97642
        * config/i386/i386-expand.c
        (ix86_expand_special_args_builtin): Don't move all-ones mask
        operands into register.
        * config/i386/sse.md (UNSPEC_MASKLOAD): New unspec.
        (*<avx512>_load<mode>_mask): New define_insns for masked load
        instructions.
        (<avx512>_load<mode>_mask): Changed to define_expands which
        specifically handle memory or all-ones mask operands.
        (<avx512>_blendm<mode>): Changed to define_insns which are same
        as original <avx512>_load<mode>_mask with adjustment of
        operands order.
        (*<avx512>_load<mode>): New define_insn_and_split which is
        used to optimize for masked load with all one mask.

2020-12-03  Hongyu Wang  <hongyu.wang@intel.com>

        PR target/97770
        * config/i386/sse.md (popcount<mode>2): New expander
        for SI/DI vector modes.
        (popcount<mode>2): Likewise for QI/HI vector modes.

2020-12-03  Alexandre Oliva  <oliva@adacore.com>

        * builtins.c (default_emit_call_builtin___clear_cache): New.
        (maybe_emit_call_builtin___clear_cache): New.
        (expand_builtin___clear_cache): Split into the above.
        (expand_builtin): Do not issue clear_cache call any more.
        * builtins.h (maybe_emit_call_builtin___clear_cache): Declare.
        * config/aarch64/aarch64.c (aarch64_trampoline_init): Use
        maybe_emit_call_builtin___clear_cache.
        * config/arc/arc.c (arc_trampoline_init): Likewise.
        * config/arm/arm.c (arm_trampoline_init): Likewise.
        * config/c6x/c6x.c (c6x_initialize_trampoline): Likewise.
        * config/csky/csky.c (csky_trampoline_init): Likewise.
        * config/m68k/linux.h (FInALIZE_TRAMPOLINE): Likewise.
        * config/tilegx/tilegx.c (tilegx_trampoline_init): Likewise.
        * config/tilepro/tilepro.c (tilepro_trampoline_init): Ditto.
        * config/vxworks.c: Include rtl.h, memmodel.h, and optabs.h.
        (vxworks_emit_call_builtin___clear_cache): New.
        * config/vxworks.h (CLEAR_INSN_CACHE): Drop.
        (TARGET_EMIT_CALL_BUILTIN___CLEAR_CACHE): Define.
        * target.def (trampoline_init): In the documentation, refer to
        maybe_emit_call_builtin___clear_cache.
        (emit_call_builtin___clear_cache): New.
        * doc/tm.texi.in: Add new hook point.
        (CLEAR_CACHE_INSN): Remove duplicate 'both'.
        * doc/tm.texi: Rebuilt.
        * targhooks.h (default_meit_call_builtin___clear_cache):
        Declare.
        * tree.h (BUILTIN_ASM_NAME_PTR): New.

2020-12-03  Ilya Leoshkevich  <iii@linux.ibm.com>

        * tree-ssa-threadbackward.c (thread_jumps::profitable_jump_thread_path):
        Do not allow __builtin_constant_p on a threading path.

2020-12-02  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (add_scalar_info): Only use add_AT_wide for 128-bit
        constants and only in dwarf-5 or later, where DW_FORM_data16 is
        available.  Otherwise use DW_FORM_block*/DW_FORM_exprloc with
        DW_OP_implicit_value to describe the constant.

2020-12-02  qing zhao  <qinzhao@gcc.gnu.org>

        PR rtl-optimization/97777
        * reg-stack.c (rest_of_handle_stack_regs): call
        df_insn_rescan_all if reg_to_stack return true.

2020-12-02  Ilya Leoshkevich  <iii@linux.ibm.com>

        * config/s390/s390-protos.h (s390_const_int_pool_entry_p): New
        function.
        * config/s390/s390.c (s390_const_int_pool_entry_p): New
        function.
        * config/s390/s390.md: Add define_peephole2 that produces llihf
        and oilf.

2020-12-02  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97630
        * tree-vectorizer.h (_slp_tree::next_node,
        _slp_tree::prev_node): New.
        (vect_slp_init): Declare.
        (vect_slp_fini): Likewise.
        * tree-vectorizer.c (vectorize_loops): Call vect_slp_init/fini.
        (pass_slp_vectorize::execute): Likewise.
        * tree-vect-slp.c (vect_slp_init): New.
        (vect_slp_fini): Likewise.
        (slp_first_node): New global.
        (_slp_tree::_slp_tree): Link node into the SLP tree list.
        (_slp_tree::~_slp_tree): Delink node from the SLP tree list.

2020-12-02  Scott Snyder  <sss@li-snyder.org>

        PR plugins/98059
        * vec.h (auto_delete_vec): Use
        DISABLE_COPY_AND_ASSIGN(auto_delete_vec) instead of
        DISABLE_COPY_AND_ASSIGN(auto_delete_vec<T>) to make it valid C++20
        after DR2237.

2020-12-02  Martin Liska  <mliska@suse.cz>

        PR ipa/98075
        * cgraph.c (cgraph_node::dump): Dump decl_is_malloc flag.
        * ipa-pure-const.c (propagate_malloc): Do not set malloc
        attribute for void functions.

2020-12-02  H.J. Lu  <hjl.tools@gmail.com>

        PR middle-end/93195
        PR middle-end/93197
        * configure.ac (HAVE_GAS_SECTION_LINK_ORDER): New.  Define 1 if
        the assembler supports the section flag 'o' for specifying
        section with link-order.
        * output.h (SECTION_LINK_ORDER): New.  Defined to 0x8000000.
        (SECTION_MACH_DEP): Changed from 0x8000000 to 0x10000000.
        * targhooks.c (default_print_patchable_function_entry): Pass
        SECTION_LINK_ORDER to switch_to_section if the section flag 'o'
        works.  Pass current_function_decl to switch_to_section.
        * varasm.c (default_elf_asm_named_section): Use 'o' flag for
        SECTION_LINK_ORDER if assembler supports it.
        * config.in: Regenerated.
        * configure: Likewise.
        * doc/sourcebuild.texi: Document o_flag_in_section.

2020-12-02  H.J. Lu  <hjl.tools@gmail.com>

        * config/i386/i386.opt: Add the missing '.' for -mneeded.

2020-12-02  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vect_transform_loop_stmt): Return whether
        we vectorized a stmt.
        (vect_transform_loop): Only call maybe_set_vectorized_backedge_value
        when we vectorized the stmt.

2020-12-02  Jakub Jelinek  <jakub@redhat.com>

        * expmed.h (expand_divmod): Only declare if GCC_OPTABS_H is defined.
        Add enum optabs_method argument defaulted to OPTAB_LIB_WIDEN.
        * expmed.c: Include expmed.h after optabs.h.
        (expand_divmod): Add methods argument, if it is not OPTAB_{,LIB_}WIDEN,
        don't choose a wider mode, and pass it to other calls instead of
        hardcoded OPTAB_LIB_WIDEN.  Avoid emitting libcalls if not
        OPTAB_LIB or OPTAB_LIB_WIDEN.
        * optabs.c: Include expmed.h after optabs.h.
        (expand_doubleword_mod, expand_doubleword_divmod): Pass OPTAB_DIRECT
        as last argument to expand_divmod.
        (expand_binop): Punt if {s,u}divmod_optab has handler for double-word
        int_mode.
        * expr.c: Include expmed.h after optabs.h.
        * explow.c: Include expmed.h after optabs.h.

2020-12-02  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/97459
        * optabs.h (expand_doubleword_divmod): Declare.
        * optabs.c (expand_doubleword_divmod): New function.
        (expand_binop): Use it.
        * internal-fn.c (expand_DIVMOD): Likewise.

2020-12-02  Martin Liska  <mliska@suse.cz>

        PR c/98087
        * gimple-fold.c (clear_padding_type): Do not divide by zero.

2020-12-02  Martin Liska  <mliska@suse.cz>

        * gdbinit.in: Write what each command calls
        for a debugging function.

2020-12-02  Kewen Lin  <linkw@linux.ibm.com>

        * config/rs6000/rs6000.c (rs6000_option_override_internal):
        Use OPTION_MASK_DIRECT_MOVE for Power8 target_enable instead
        of OPTION_MASK_HTM.
        * config/rs6000/rs6000-cpus.def (ISA_2_7_MASKS_SERVER):
        Remove OPTION_MASK_HTM.
        (RS6000_CPU): Add OPTION_MASK_HTM to power8, power9 and
        powerpc64le entries.

2020-12-02  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/98079
        * config/i386/i386.md (abs<mode>2): Enable QImode
        only for !TARGET_PARTIAL_REG_STALL.
        (*abs<mode>2_1): Ditto.
        (<maxmin:code><mode>3): Ditto.
        (*<maxmin:code><mode>3_1): Ditto.

2020-12-02  Martin Liska  <mliska@suse.cz>

        * diagnostic.c (diagnostic_report_diagnostic): ICE causes to
        terminate compiler immediately, so I guess it should be printed
        always.

2020-12-02  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/88702
        * gimple-if-to-switch.cc (pass_if_to_switch::execute):
        Require at least 2 BBs.
        * gimple-if-to-switch.cc (find_conditions): Require
        equal precision for low and high of a range.

2020-12-02  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/98084
        * gimple-if-to-switch.cc (find_conditions): Consider only
        integral types.

2020-12-02  Jeff Law  <law@redhat.com>

        * config/h8300/addsub.md (addqi3_clobber_flags): Rename to
        addqi3_flags and annotate with a <cczn> for define_subst.
        (addhi3_h8sx_clobber_flags): Likewise.
        (subqi3_clobber_flags, sub<mode>3_clobber_flags): Likewise.
        (neg<mode2>_clobber_flags): Similarly.
        (addsi3_clobber_flags): Similarly.  Update last argument to
        output_plussi to distinguish when we need flags or do not need
        flags.
        (addhi3_clobber_flags): Similarly.  Twiddle code for cases
        +-1, +-2 and +-4.
        * config/h8300/h8300.md: Define iterators, mode attributes and
        substitutions for use in compare/test elimination.
        * config/h8300/jumpcall.md (branch, branch_1): Use H8cc mode
        iterator to cover the different modes for the CC register.
        (branch_1_false): Likewise.

2020-12-02  Maciej W. Rozycki  <macro@linux-mips.org>

        * loop-iv.c: Fix a typo, s/bu/by/, in the `iv_analyze_expr'
        description in the introduction.

2020-12-02  H.J. Lu  <hjl.tools@gmail.com>

        * configure.ac (HAVE_GAS_SHF_GNU_RETAIN): New.  Define 1 if
        the assembler supports marking sections with SHF_GNU_RETAIN flag.
        * output.h (SECTION_RETAIN): New.  Defined as 0x4000000.
        (SECTION_MACH_DEP): Changed from 0x4000000 to 0x8000000.
        (default_unique_section): Add a bool argument.
        * varasm.c (get_section): Set SECTION_RETAIN for the preserved
        symbol with HAVE_GAS_SHF_GNU_RETAIN.
        (resolve_unique_section): Used named section for the preserved
        symbol if assembler supports SHF_GNU_RETAIN.
        (get_variable_section): Handle the preserved common symbol with
        HAVE_GAS_SHF_GNU_RETAIN.
        (default_elf_asm_named_section): Require the full declaration and
        use the 'R' flag for SECTION_RETAIN.
        * config.in: Regenerated.
        * configure: Likewise.
        * doc/sourcebuild.texi: Document R_flag_in_section.

2020-12-02  H.J. Lu  <hjl.tools@gmail.com>

        * config.gcc: Replace cet.o with gnu-property.o.  Replace
        i386/t-cet with i386/t-gnu-property.
        * config/i386/cet.c: Renamed to ...
        * config/i386/gnu-property.c: This.
        (emit_gnu_property): New function.
        (file_end_indicate_exec_stack_and_cet): Renamed to ...
        (file_end_indicate_exec_stack_and_gnu_property): This.  Call
        emit_gnu_property to generate GNU_PROPERTY_X86_FEATURE_1_AND and
        GNU_PROPERTY_X86_ISA_1_NEEDED properties.
        * config/i386/i386.opt (mneeded): New.
        * config/i386/linux-common.h (file_end_indicate_exec_stack_and_cet):
        Renamed to ...
        (file_end_indicate_exec_stack_and_gnu_property): This.
        (TARGET_ASM_FILE_END): Updated.
        * config/i386/t-cet: Renamed to ...
        * config/i386/t-gnu-property: This.
        (cet.o): Renamed to ...
        (gnu-property.o): This.
        * doc/invoke.texi: Document -mneeded.

2020-12-01  Eugene Rozenfeld  <Eugene.Rozenfeld@microsoft.com>

        PR tree-optimization/96708
        * match.pd: New pattern for comparing X with MAX (X, Y)
        or MIN (X, y).

2020-12-01  Jeff Law  <law@redhat.com>

        * config/mcore/t-mcore (MULTILIB_EXCEPTIONS): Define.

2020-12-01  Martin Sebor  <msebor@redhat.com>

        PR middle-end/97595
        * tree.c (component_ref_size): Fail when DECL_SIZE != TYPE_SIZE.
        * tree.h (DECL_SIZE, TYPE_SIZE): Update comment.

2020-12-01  JeanHeyd Meneide  <phdofthehouse@gmail.com>

        * doc/cpp.texi: Document new macros.

2020-12-01  Martin Sebor  <msebor@redhat.com>

        PR middle-end/97373
        * builtins.c (compute_objsize): Rename...
        (compute_objsize_r): to this.  Change order and types of arguments.
        Use new argument.  Adjust calls to self.
        (access_ref::get_ref): New member function.
        (pointer_query::pointer_query): New member function.
        (pointer_query::get_ref): Same.
        (pointer_query::put_ref): Same.
        (handle_min_max_size): Change order and types of arguments.
        (maybe_emit_free_warning): Add a test.
        * builtins.h (class pointer_query): New class.
        (compute_objsize): Declare an overload.
        * gimple-ssa-sprintf.c (get_destination_size): Add argument.
        (handle_printf_call): Change argument type.
        * tree-ssa-strlen.c (adjust_last_stmt): Add an argument and use it.
        (maybe_warn_overflow): Same.
        (handle_builtin_strcpy): Same.
        (maybe_diag_stxncpy_trunc): Same.
        (handle_builtin_memcpy): Change argument type.  Adjust calls.
        (handle_builtin_strcat): Same.
        (handle_builtin_memset): Same.
        (handle_store): Same.
        (strlen_check_and_optimize_call): Same.
        (check_and_optimize_stmt): Same.
        (strlen_dom_walker): Add new data members.
        (strlen_dom_walker::before_dom_children): Use new member.
        (printf_strlen_execute): Dump cache performance counters.  Remove
        objsize pass cleanup.
        * tree-ssa-strlen.h (maybe_diag_stxncpy_trunc): Add argument.
        (handle_printf_call): Change argument type.

2020-12-01  Eric Botcazou  <ebotcazou@adacore.com>

        * function.c (gen_call_used_regs_seq): In a function subject to the
        leaf register optimization, skip registers that are not present.
        * config/sparc/sparc.c (TARGET_ZERO_CALL_USED_REGS): Define to...
        (sparc_zero_call_used_regs): ...this.  New function.

2020-12-01  Iain Sandoe  <iain@sandoe.co.uk>

        * config/darwin.h: Remove unused 'X' specs in the link spec
        rather than driver self-specs.

2020-12-01  Nathan Sidwell  <nathan@acm.org>

        * params.opt (lazy-modules): New.
        * timevar.def (TV_MODULE_IMPORT, TV_MODULE_EXPORT)
        (TV_MODULE_MAPPER): New.

2020-12-01  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/97459
        * optabs.c (expand_doubleword_mod): Punt early for even op1.
        (expand_binop): Don't require lshr_optab double-word handler.

2020-12-01  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/97954
        * loop-invariant.c (find_invariant_insn): Punt on JUMP_P insns.

2020-12-01  Iain Sandoe  <iain@sandoe.co.uk>

        * configure.ac (check leb128 support): Check that assemblers both
        accept the LEB128 directives and also give the expected output.
        Add a test for uleb128 with the MSB set for a 64 bit value.
        * configure: Regenerated.

2020-12-01  Iain Sandoe  <iain@sandoe.co.uk>

        * configure: Regnerated.

2020-12-01  Ilya Leoshkevich  <iii@linux.ibm.com>

        * optabs-tree.c (vec_cmp_icode_p): New function.
        (vec_cmp_eq_icode_p): New function.
        (expand_vec_cmp_expr_p): Use vec_cmp_icode_p and
        vec_cmp_eq_icode_p.
        (vcond_icode_p): Use get_rtx_code_1, just to be uniform with
        vec_cmp_icode_p.
        * optabs.c (unsigned_optab_p): New function.
        (insn_predicate_matches_p): New function.
        (can_vec_cmp_compare_p): New function.
        (can_vcond_compare_p): Use unsigned_optab_p and
        insn_predicate_matches_p.
        (get_rtx_code): Use get_rtx_code_1.
        (get_rtx_code_1): Version of get_rtx_code that returns UNKNOWN
        instead of asserting.
        * optabs.h (can_vec_cmp_compare_p): New function.
        (get_rtx_code_1): New function.

2020-12-01  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/14799
        PR ipa/88702
        * Makefile.in: Add gimple-if-to-switch.o.
        * dbgcnt.def (DEBUG_COUNTER): Add new debug counter.
        * passes.def: Include new pass_if_to_switch pass.
        * timevar.def (TV_TREE_IF_TO_SWITCH): New timevar.
        * tree-pass.h (make_pass_if_to_switch): New.
        * tree-ssa-reassoc.c (struct operand_entry): Move to the header.
        (dump_range_entry): Move to header file.
        (debug_range_entry): Likewise.
        (no_side_effect_bb): Make it global.
        * tree-switch-conversion.h (simple_cluster::simple_cluster):
        Add inline for couple of functions in order to prevent error
        about multiple defined symbols.
        * gimple-if-to-switch.cc: New file.
        * tree-ssa-reassoc.h: New file.

2020-12-01  Marius Hillenbrand  <mhillen@linux.ibm.com>

        * configure.ac: Add configure option
        --enable-s390-excess-float-precision and check to derive default
        from glibc.
        * config/s390/s390.c: Guard s390_excess_precision with an ifdef
        for ENABLE_S390_EXCESS_FLOAT_PRECISION.
        * doc/install.texi: Document --enable-s390-excess-float-precision.
        * configure: Regenerate.
        * config.in: Regenerate.

2020-12-01  Martin Liska  <mliska@suse.cz>

        PR ipa/98057
        * symtab.c (symtab_node::set_section_for_node): Drop
        implicit_section if x_section is NULL.

2020-12-01  Jakub Jelinek  <jakub@redhat.com>

        PR target/98063
        * config/i386/i386-expand.c (ix86_expand_call): Handle non-plt
        CM_LARGE_PIC calls.

2020-12-01  Richard Biener  <rguenther@suse.de>

        PR middle-end/98070
        * builtins.c (builtin_fnspec): realloc is ".Cw ".

2020-12-01  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (gen_compile_unit_die): Treat GNU C++20
        like C++14 for -gdwarf-5.

2020-12-01  Jakub Jelinek  <jakub@redhat.com>

        PR debug/97989
        * gcc.c (cpp_unique_options): Add -dD if %:debug-level-gt(2)
        rather than g3|ggdb3|gstabs3|gxcoff3|gvms3.

2020-12-01  Kito Cheng  <kito.cheng@sifive.com>

        * config.gcc (riscv*-*-*): Drop some commited accidentally code.

2020-11-30  Jeff Law  <law@redhat.com>

        * symtab.c (set_section_for_node): Add function comment.
        (set_section_from_node): Likewise.

2020-11-30  David Malcolm  <dmalcolm@redhat.com>

        * doc/plugins.texi (Plugin callbacks): Add PLUGIN_ANALYZER_INIT.
        * plugin.c (register_callback): Likewise.
        (invoke_plugin_callbacks_full): Likewise.
        * plugin.def (PLUGIN_ANALYZER_INIT): New event.

2020-11-30  Jeff Law  <law@redhat.com>

        * config/h8300/bitfield.md: Remove "cc" attribute on any
        insns where it remained.
        * config/h8300/combiner.md: Likewise.
        * config/h8300/jumpcall.md: Likewise.
        * config/h8300/logical.md: Likewise.
        * config/h8300/testcompare.md: Likewise.
        * config/h8300/h8300.md (old_cc attr): Renamed from cc attr.
        * config/h8300/h8300.c (notice_update_cc): Remove.
        (compute_plussi_cc): Change references to CC_* to OLD_CC_.
        (compute_logical_op_cc): Likewise.
        (shift_one, shift_two): Likewise.
        (compute_a_shift_cc): Likewise.
        (get_shift_alg): Likewise.
        (struct shift_insn): Change type of cc_valid field.
        (struct shift_info): Likewise.
        * config/h8300/save.md: Remove accidentially created file.

2020-11-30  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/98037
        * dse.c (find_shift_sequence): Iterate over all integers and
        skip modes that are too small.

2020-11-30  Eugene Rozenfeld  <Eugene.Rozenfeld@microsoft.com>

        PR tree-optimization/96679
        * match.pd (((b | c) & a) | b -> (a & c) | b): New pattern.

2020-11-30  Martin Liska  <mliska@suse.cz>

        * passes.c (emergency_dump_function): Dump symtab when
        we are in an IPA pass.

2020-11-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/98064
        * tree-vect-loop.c (vectorizable_live_operation): Avoid
        breaking LC SSA for BB vectorization.

2020-11-30  Jonathan Wakely  <jwakely@redhat.com>

        * doc/sourcebuild.texi (Directives): Fix description of
        dg-require-effective-target to include "target" in selector.

2020-11-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/98048
        * tree-vect-generic.c (expand_vector_operations_1): Use the
        correct type for the scalar LHS replacement.

2020-11-30  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/98066
        * gimple-isel.cc (gimple_expand_vec_exprs): Return when
        gimple_expand_vec_exprs replaces last stmt.

2020-11-30  Ilya Leoshkevich  <iii@linux.ibm.com>

        * cfgrtl.c (rtl_bb_info_initialized_p): New function.
        (rtl_dump_bb): Use rtl_bb_info_initialized_p before accessing bb
        insns.

2020-11-30  Iain Buclaw  <ibuclaw@gdcproject.org>

        PR d/87818
        * config.gcc (*-*-freebsd*): Add freebsd-d.o and t-freebsd.
        * config/freebsd-d.c: New file.
        * config/t-freebsd: New file.

2020-11-30  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/97459
        * internal-fn.h (expand_addsub_overflow): Declare.
        * internal-fn.c (expand_addsub_overflow): No longer static.
        * optabs.c (expand_doubleword_mod): New function.
        (expand_binop): Optimize double-word mod with constant divisor.

2020-11-30  Kito Cheng  <kito.cheng@sifive.com>

        * config.gcc (riscv*-*-*): Add TARGET_RISCV_DEFAULT_ABI and
        TARGET_RISCV_DEFAULT_ARCH to tm_defines.
        Remove including riscv/withmultilib.h for --with-multilib-list.
        * config/riscv/riscv.h (STRINGIZING): New.
        (__STRINGIZING): Ditto.
        (MULTILIB_DEFAULTS): Ditto.
        * config/riscv/withmultilib.h: Remove.

2020-11-30  Kito Cheng  <kito.cheng@sifive.com>

        * gcc.c (print_multilib_info): Check default arguments not
        appeared in multi-lib option list with '!'

2020-11-30  Jeff Law  <law@redhat.com>

        * config/ft32/ft32.md (umulsidi3): Do not allow constants as
        arguments.

2020-11-29  Jan Hubicka  <jh@suse.cz>

        * ipa-modref.c (ipa_merge_modref_summary_after_inlining): Fix
        handling of ignore_stores.

2020-11-29  Jan Hubicka  <jh@suse.cz>

        PR jit/97867
        * symtab-thunks.h (thunk_info::release): Use ggc_delete.

2020-11-29  Martin Sebor  <msebor@redhat.com>

        PR middle-end/92936
        PR middle-end/92940
        PR middle-end/89428
        * builtins.c (access_ref::access_ref): Initialize member.
        (access_ref::phi): New function.
        (access_ref::get_ref): New function.
        (access_ref::add_offset): Remove duplicate assignment.
        (maybe_warn_for_bound): Add "maybe" kind of warning messages.
        (warn_for_access): Same.
        (inform_access): Rename...
        (access_ref::inform_access): ...to this.  Print PHI arguments.  Format
        offset the same as size and simplify.  Improve printing of allocation
        functions and VLAs.
        (check_access): Adjust to the above.
        (gimple_parm_array_size): Change argument.
        (handle_min_max_size): New function.
        * builtins.h (class ssa_name_limit_t): Move class here from
        tree-ssa-strlen.c.
        (struct access_ref): Declare new members.
        (gimple_parm_array_size): Change argument.
        * tree-ssa-strlen.c (maybe_warn_overflow): Use access_ref and simplify.
        (handle_builtin_memcpy): Correct argument passed to maybe_warn_overflow.
        (handle_builtin_memset): Same.
        (class ssa_name_limit_t): Move class to builtins.{h,c}.

2020-11-29  Iain Buclaw  <ibuclaw@gdcproject.org>

        * config.gcc (*-*-darwin*): Set d_target_objs and target_has_targetdm.
        * config/elfos.h (TARGET_D_MINFO_SECTION): New macro.
        (TARGET_D_MINFO_START_NAME): New macro.
        (TARGET_D_MINFO_END_NAME): New macro.
        * config/t-darwin: Add darwin-d.o.
        * doc/tm.texi: Regenerate.
        * doc/tm.texi.in (D language and ABI): Add @hook for
        TARGET_D_MINFO_SECTION, TARGET_D_MINFO_START_NAME, and
        TARGET_D_MINFO_END_NAME.
        * config/darwin-d.c: New file.

2020-11-29  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-structalias.c (handle_pure_call): Skip EAF_UNUSED
         parameters.

2020-11-29  Jan Hubicka  <jh@suse.cz>

        * ipa-modref.c (modref_lattice::merge): Do nothing if F is EAF_UNUSED.
        (analyze_parms): Detect unused params.
        (modref_merge_call_site_flags): Merge correct EAF_UNUSED.

2020-11-28  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/97939
        * config/sparc/predicates.md (arith_double_add_operand): Comment.
        * config/sparc/sparc.md (uaddvdi4): Use arith_double_operand.
        (addvdi4): Use arith_double_add_operand.
        (addsi3): Remove useless attributes.
        (addvsi4): Use arith_add_operand.
        (*cmp_ccv_plus): Likewise and add second alternative accordingly.
        (*cmp_ccxv_plus): Likewise.
        (*cmp_ccv_plus_set): Likewise.
        (*cmp_ccxv_plus_set): Likewise.
        (*cmp_ccv_plus_sltu_set): Likewise.
        (usubvdi4): Use arith_double_operand.
        (subvdi4): Use arith_double_add_operand.
        (subsi3): Remove useless attributes.
        (subvsi4): Use arith_add_operand.
        (*cmp_ccv_minus): Likewise and add second alternative accordingly.
        (*cmp_ccxv_minus): Likewise.
        (*cmp_ccv_minus_set): Likewise.
        (*cmp_ccxv_minus_set): Likewise.
        (*cmp_ccv_minus_sltu_set): Likewise.
        (negsi2): Use register_operand.
        (unegvsi3): Likewise.
        (negvsi3) Likewise.
        (*cmp_ccnz_neg): Likewise.
        (*cmp_ccxnz_neg): Likewise.
        (*cmp_ccnz_neg_set): Likewise.
        (*cmp_ccxnz_neg_set): Likewise.
        (*cmp_ccc_neg_set): Likewise.
        (*cmp_ccxc_neg_set): Likewise.
        (*cmp_ccc_neg_sltu_set): Likewise.
        (*cmp_ccv_neg): Likewise.
        (*cmp_ccxv_neg): Likewise.
        (*cmp_ccv_neg_set): Likewise.
        (*cmp_ccxv_neg_set): Likewise.
        (*cmp_ccv_neg_sltu_set): Likewise.

2020-11-27  H.J. Lu  <hjl.tools@gmail.com>

        PR other/98027
        * doc/install.texi: Default to --enable-cet=auto.

2020-11-27  Thomas Schwinge  <thomas@codesourcery.com>

        * omp-oacc-kernels-decompose.cc (flatten_binds): Don't choke on
        empty GIMPLE sequence, and examine all statements contained in
        inner 'GIMPLE_BIND'.

2020-11-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/98024
        * tree-ssa-pre.c (insert): Fix successor RPO order check.
        (do_pre_regular_insertion): When inserting an assignment
        in place of an all-same-value PHI still record that into
        PHI_GEN.

2020-11-27  Jakub Jelinek  <jakub@redhat.com>

        * tree-ssanames.c (get_range_info): Handle INTEGER_CST by returning
        VR_RANGE with both *min and *max set to the wide_int value of the
        INTEGER_CST.  Return VR_VARYING for non-SSA_NAMEs.
        * match.pd ((t * 2) / 2) -> t): Handle also @0 being INTEGER_CST.
        Simplify by calling get_range_info on everything.
        * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Simplify by calling
        get_range_info on everything.
        * tree-scalar-evolution.c (iv_can_overflow_p): Likewise.

2020-11-27  Jakub Jelinek  <jakub@redhat.com>

        PR libstdc++/88101
        * gimple-fold.c (clear_padding_type): Ignore fields with is_empty_type
        types.

2020-11-27  Tobias Burnus  <tobias@codesourcery.com>

        PR c/97880
        * omp-expand.c (expand_oacc_collapse_init, expand_oacc_collapse_vars):
        Use now passed diff_type.
        (expand_oacc_for): Take largest type for diff_type, taking tiling
        and collapsing into account.

2020-11-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.opt
        (-param=aarch64-autovec-preference): Define.
        * config/aarch64/aarch64.c (aarch64_override_options_internal):
        Set aarch64_sve_compare_costs to 0 when preferring only Advanced
        SIMD.
        (aarch64_cmp_autovec_modes): Define.
        (aarch64_preferred_simd_mode): Adjust to use the above.
        (aarch64_autovectorize_vector_modes): Likewise.
        * doc/invoke.texi: Document aarch64-autovec-preference param.

2020-11-27  Xionghu Luo  <luoxhu@linux.ibm.com>

        * config/rs6000/rs6000-call.c (altivec_expand_vec_set_builtin):
        Change call param 2 from type int to rtx.
        * config/rs6000/rs6000-protos.h (rs6000_expand_vector_set):
        Likewise.
        * config/rs6000/rs6000.c (rs6000_expand_vector_init):
        Change call param 2 from type int to rtx.
        (rs6000_expand_vector_set): Likewise.
        * config/rs6000/vector.md (vec_set<mode>): Support both constant
        and variable index vec_set.

2020-11-27  Haochen Gui  <guihaoc@gcc.gnu.org>

        * config/rs6000/rs6000-protos.h (rs6000_output_addr_vec_elt): Declare.
        * config/rs6000/rs6000.c (TARGET_ASM_GENERATE_PIC_ADDR_DIFF_VEC):
        Define.
        (rs6000_gen_pic_addr_diff_vec, rs6000_output_addr_vec_elt): Implement.
        * config/rs6000/rs6000.h (CASE_VECTOR_PC_RELATIVE,
        CASE_VECTOR_MODE, ASM_OUTPUT_ADDR_VEC_ELT): Define.
        * config/rs6000/rs6000.md (tablejump<mode>_absolute,
        tablejump<mode>_absolute_nospec): New expanders.
        * config/rs6000/rs6000.opt (mrelative-jumptables): New.

2020-11-26  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/96607
        * config/sparc/sparc-protos.h (eligible_for_call_delay): Delete.
        * config/sparc/sparc.c (eligible_for_call_delay): Likewise.
        * config/sparc/sparc.md (in_call_delay): Likewise.
        (tls_delay_slot): New attribute.
        (define_delay [call]): Use in_branch_delay.
        (tgd_call<P:mode>): Set type to call_no_delay_slot when
        tls_delay_slot is false.
        (tldm_call<P:mode>): Likewise.

2020-11-26  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/97997
        * match.pd ((t * 2) / 2) -> t): Optimize even for defined
        overflow if ranges prove there is no overflow.

2020-11-26  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97953
        * gimple-ssa-evrp-analyze.c
        (evrp_range_analyzer::record_ranges_from_incoming_edge): Make
        sure the condition post-dominates the SSA definition before
        recording into SSA_NAME_RANGE_INFO.

2020-11-26  Richard Biener  <rguenther@suse.de>

        * gimple-isel.cc (gimple_expand_vec_cond_expr): Only
        lower VECTOR_BOOLEAN_TYPE_P VEC_COND_EXPRs.

2020-11-26  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/mkoffload.c (copy_early_debug_info): Don't wipe
        relocation symbols.

2020-11-26  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-expand.c (ix86_expand_multi_arg_builtin):
        Remove args array of structs, declare rtx xops array instead.
        Update all uses.
        (ix86_expand_args_builtin): Ditto.
        (ix86_expand_round_builtin): Ditto.
        (ix86_expand_special_args_builtin): Ditto.

2020-11-26  Martin Liska  <mliska@suse.cz>

        * dwarf2out.c (gen_compile_unit_die): Fix missing == 0 in a
        strcmp.

2020-11-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sol2.h (TIME_LIBRARY): Remove.

2020-11-26  Kewen Lin  <linkw@linux.ibm.com>

        * config/rs6000/rs6000.c (rs6000_option_override_internal):
        Set param_vect_partial_vector_usage as 1 for Power10 and up
        by default.

2020-11-26  Jakub Jelinek  <jakub@redhat.com>

        * gimple-fold.c (clear_padding_union): Ignore DECL_PADDING_P
        fields.
        (clear_padding_type): Ignore DECL_PADDING_P fields, rather than
        DECL_BIT_FIELD with NULL DECL_NAME.

2020-11-26  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/97979
        * match.pd ((X {&,^,|} C2) << C1 into (X << C1) {&,^,|} (C2 << C1)):
        Only optimize if int_const_binop returned non-NULL.

2020-11-26  liuhongt  <hongtao.liu@intel.com>

        * config/i386/i386-expand.c
        (ix86_expand_special_args_builtin): Delete last_arg_constant
        and match.

2020-11-26  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/97873
        * config/i386/i386.md (abs<mode>2): Use SDWIM mode iterator.
        (*abs<mode>2_1): Use SWI mode iterator.
        (<maxmin:code><mode>3): Use SDWIM mode iterator.
        (*<maxmin:code><mode>3_1): Use SWI mode iterator.

2020-11-26  Jakub Jelinek  <jakub@redhat.com>

        PR target/96906
        * config/i386/sse.md (VI12_AVX2): Remove V64QI/V32HI modes.
        (VI12_AVX2_AVX512BW): New mode iterator.
        (<sse2_avx2>_<plusminus_insn><mode>3<mask_name>,
        uavg<mode>3_ceil, <sse2_avx2>_uavg<mode>3<mask_name>): Use
        VI12_AVX2_AVX512BW iterator instead of VI12_AVX2.
        (*<sse2_avx2>_<plusminus_insn><mode>3<mask_name>): Likewise.
        (*<sse2_avx2>_uavg<mode>3<mask_name>): Likewise.
        (*<sse2_avx2>_<plusminus_insn><mode>3<mask_name>): Add a new
        define_split after this insn.

2020-11-26  Martin Uecker  <muecker@gwdg.de>

        PR c/65455
        PR c/92935
        * ginclude/stdatomic.h: Use comma operator to drop qualifiers.

2020-11-26  Vladimir Makarov  <vmakarov@redhat.com>

        PR bootstrap/97983
        * lra.c (lra_process_new_insns): Use emit_insn_before_noloc or
        emit_insn_after_noloc with the destination BB.

2020-11-25  Martin Sebor  <msebor@redhat.com>

        PR bootstrap/97622
        PR bootstrap/94982
        * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p):
        Avoid -Wformat-diag.
        * digraph.cc (struct test_edge): Same.
        * dumpfile.c (dump_loc): Same.
        (dump_context::begin_scope): Same.
        * edit-context.c (edited_file::print_diff): Same.
        (edited_file::print_diff_hunk): Same.
        * json.cc (object::print): Same.
        * lto-wrapper.c (merge_and_complain): Same.
        * reload.c (find_reloads): Same.
        * tree-diagnostic-path.cc (print_path_summary_as_text): Same.
        * ubsan.c (ubsan_type_descriptor): Same.

2020-11-25  Jan Hubicka  <jh@suse.cz>

        * gimple.c (gimple_call_arg_flags): Also imply EAF_NODIRECTESCAPE.
        * tree-core.h (EAF_NODRECTESCAPE): New flag.
        * tree-ssa-structalias.c (make_indirect_escape_constraint): New
        function.
        (handle_rhs_call): Hanlde EAF_NODIRECTESCAPE.
        * ipa-modref.c (dump_eaf_flags): Print EAF_NODIRECTESCAPE.
        (deref_flags): Dereference is always EAF_NODIRECTESCAPE.
        (modref_lattice::init): Also set EAF_NODIRECTESCAPE.
        (analyze_ssa_name_flags): Pure functions do not affect
        EAF_NODIRECTESCAPE.
        (analyze_params): Likewise.
        (ipa_merge_modref_summary_after_inlining): Likewise.
        (modref_merge_call_site_flags): Likewise.

2020-11-25  Jan Hubicka  <jh@suse.cz>

        * ipa-modref.c (modref_summaries::duplicate,
        modref_summaries_lto::duplicate): Copy arg_flags.
        (remap_arg_flags): Fix remapping of arg_flags.

2020-11-25  Martin Sebor  <msebor@redhat.com>

        PR middle-end/97956
        * gimple-fold.c (gimple_fold_builtin_memchr): Use sizetype for pointer
        offsets.

2020-11-25  Matthew Malcomson  <matthew.malcomson@arm.com>

        * asan.c (asan_instrument_reads): New.
        (asan_instrument_writes): New.
        (asan_memintrin): New.
        (handle_builtin_stack_restore): Account for HWASAN.
        (handle_builtin_alloca): Account for HWASAN.
        (get_mem_refs_of_builtin_call): Special case strlen for HWASAN.
        (hwasan_instrument_reads): New.
        (hwasan_instrument_writes): New.
        (hwasan_memintrin): New.
        (report_error_func): Assert not HWASAN.
        (build_check_stmt): Make HWASAN_CHECK instead of ASAN_CHECK.
        (instrument_derefs): HWASAN does not tag globals.
        (instrument_builtin_call): Use new helper functions.
        (maybe_instrument_call): Don't instrument `noreturn` functions.
        (initialize_sanitizer_builtins): Add new type.
        (asan_expand_mark_ifn): Account for HWASAN.
        (asan_expand_check_ifn): Assert never called by HWASAN.
        (asan_expand_poison_ifn): Account for HWASAN.
        (asan_instrument): Branch based on whether using HWASAN or ASAN.
        (pass_asan::gate): Return true if sanitizing HWASAN.
        (pass_asan_O0::gate): Return true if sanitizing HWASAN.
        (hwasan_check_func): New.
        (hwasan_expand_check_ifn): New.
        (hwasan_expand_mark_ifn): New.
        (gate_hwasan): New.
        * asan.h (hwasan_expand_check_ifn): New decl.
        (hwasan_expand_mark_ifn): New decl.
        (gate_hwasan): New decl.
        (asan_intercepted_p): Always false for hwasan.
        (asan_sanitize_use_after_scope): Account for HWASAN.
        * builtin-types.def (BT_FN_PTR_CONST_PTR_UINT8): New.
        * gimple-fold.c (gimple_build): New overload for building function
        calls without arguments.
        (gimple_build_round_up): New.
        * gimple-fold.h (gimple_build): New decl.
        (gimple_build): New inline function.
        (gimple_build_round_up): New decl.
        (gimple_build_round_up): New inline function.
        * gimple-pretty-print.c (dump_gimple_call_args): Account for
        HWASAN.
        * gimplify.c (asan_poison_variable): Account for HWASAN.
        (gimplify_function_tree): Remove requirement of
        SANITIZE_ADDRESS, requiring asan or hwasan is accounted for in
        `asan_sanitize_use_after_scope`.
        * internal-fn.c (expand_HWASAN_CHECK): New.
        (expand_HWASAN_ALLOCA_UNPOISON): New.
        (expand_HWASAN_CHOOSE_TAG): New.
        (expand_HWASAN_MARK): New.
        (expand_HWASAN_SET_TAG): New.
        * internal-fn.def (HWASAN_ALLOCA_UNPOISON): New.
        (HWASAN_CHOOSE_TAG): New.
        (HWASAN_CHECK): New.
        (HWASAN_MARK): New.
        (HWASAN_SET_TAG): New.
        * sanitizer.def (BUILT_IN_HWASAN_LOAD1): New.
        (BUILT_IN_HWASAN_LOAD2): New.
        (BUILT_IN_HWASAN_LOAD4): New.
        (BUILT_IN_HWASAN_LOAD8): New.
        (BUILT_IN_HWASAN_LOAD16): New.
        (BUILT_IN_HWASAN_LOADN): New.
        (BUILT_IN_HWASAN_STORE1): New.
        (BUILT_IN_HWASAN_STORE2): New.
        (BUILT_IN_HWASAN_STORE4): New.
        (BUILT_IN_HWASAN_STORE8): New.
        (BUILT_IN_HWASAN_STORE16): New.
        (BUILT_IN_HWASAN_STOREN): New.
        (BUILT_IN_HWASAN_LOAD1_NOABORT): New.
        (BUILT_IN_HWASAN_LOAD2_NOABORT): New.
        (BUILT_IN_HWASAN_LOAD4_NOABORT): New.
        (BUILT_IN_HWASAN_LOAD8_NOABORT): New.
        (BUILT_IN_HWASAN_LOAD16_NOABORT): New.
        (BUILT_IN_HWASAN_LOADN_NOABORT): New.
        (BUILT_IN_HWASAN_STORE1_NOABORT): New.
        (BUILT_IN_HWASAN_STORE2_NOABORT): New.
        (BUILT_IN_HWASAN_STORE4_NOABORT): New.
        (BUILT_IN_HWASAN_STORE8_NOABORT): New.
        (BUILT_IN_HWASAN_STORE16_NOABORT): New.
        (BUILT_IN_HWASAN_STOREN_NOABORT): New.
        (BUILT_IN_HWASAN_TAG_MISMATCH4): New.
        (BUILT_IN_HWASAN_HANDLE_LONGJMP): New.
        (BUILT_IN_HWASAN_TAG_PTR): New.
        * sanopt.c (sanopt_optimize_walker): Act for hwasan.
        (pass_sanopt::execute): Act for hwasan.
        * toplev.c (compile_file): Use `gate_hwasan` function.

2020-11-25  Matthew Malcomson  <matthew.malcomson@arm.com>

        * asan.c (struct hwasan_stack_var): New.
        (hwasan_sanitize_p): New.
        (hwasan_sanitize_stack_p): New.
        (hwasan_sanitize_allocas_p): New.
        (initialize_sanitizer_builtins): Define new builtins.
        (ATTR_NOTHROW_LIST): New macro.
        (hwasan_current_frame_tag): New.
        (hwasan_frame_base): New.
        (stack_vars_base_reg_p): New.
        (hwasan_maybe_init_frame_base_init): New.
        (hwasan_record_stack_var): New.
        (hwasan_get_frame_extent): New.
        (hwasan_increment_frame_tag): New.
        (hwasan_record_frame_init): New.
        (hwasan_emit_prologue): New.
        (hwasan_emit_untag_frame): New.
        (hwasan_finish_file): New.
        (hwasan_truncate_to_tag_size): New.
        * asan.h (hwasan_record_frame_init): New declaration.
        (hwasan_record_stack_var): New declaration.
        (hwasan_emit_prologue): New declaration.
        (hwasan_emit_untag_frame): New declaration.
        (hwasan_get_frame_extent): New declaration.
        (hwasan_maybe_enit_frame_base_init): New declaration.
        (hwasan_frame_base): New declaration.
        (stack_vars_base_reg_p): New declaration.
        (hwasan_current_frame_tag): New declaration.
        (hwasan_increment_frame_tag): New declaration.
        (hwasan_truncate_to_tag_size): New declaration.
        (hwasan_finish_file): New declaration.
        (hwasan_sanitize_p): New declaration.
        (hwasan_sanitize_stack_p): New declaration.
        (hwasan_sanitize_allocas_p): New declaration.
        (HWASAN_TAG_SIZE): New macro.
        (HWASAN_TAG_GRANULE_SIZE): New macro.
        (HWASAN_STACK_BACKGROUND): New macro.
        * builtin-types.def (BT_FN_VOID_PTR_UINT8_PTRMODE): New.
        * builtins.def (DEF_SANITIZER_BUILTIN): Enable for HWASAN.
        * cfgexpand.c (align_local_variable): When using hwasan ensure
        alignment to tag granule.
        (align_frame_offset): New.
        (expand_one_stack_var_at): For hwasan use tag offset.
        (expand_stack_vars): Record stack objects for hwasan.
        (expand_one_stack_var_1): Record stack objects for hwasan.
        (init_vars_expansion): Initialise hwasan state.
        (expand_used_vars): Emit hwasan prologue and generate hwasan epilogue.
        (pass_expand::execute): Emit hwasan base initialization if needed.
        * doc/tm.texi (TARGET_MEMTAG_TAG_SIZE,TARGET_MEMTAG_GRANULE_SIZE,
        TARGET_MEMTAG_INSERT_RANDOM_TAG,TARGET_MEMTAG_ADD_TAG,
        TARGET_MEMTAG_SET_TAG,TARGET_MEMTAG_EXTRACT_TAG,
        TARGET_MEMTAG_UNTAGGED_POINTER): Document new hooks.
        * doc/tm.texi.in (TARGET_MEMTAG_TAG_SIZE,TARGET_MEMTAG_GRANULE_SIZE,
        TARGET_MEMTAG_INSERT_RANDOM_TAG,TARGET_MEMTAG_ADD_TAG,
        TARGET_MEMTAG_SET_TAG,TARGET_MEMTAG_EXTRACT_TAG,
        TARGET_MEMTAG_UNTAGGED_POINTER): Document new hooks.
        * explow.c (get_dynamic_stack_base): Take new `base` argument.
        * explow.h (get_dynamic_stack_base): Take new `base` argument.
        * sanitizer.def (BUILT_IN_HWASAN_INIT): New.
        (BUILT_IN_HWASAN_TAG_MEM): New.
        * target.def (target_memtag_tag_size,target_memtag_granule_size,
        target_memtag_insert_random_tag,target_memtag_add_tag,
        target_memtag_set_tag,target_memtag_extract_tag,
        target_memtag_untagged_pointer): New hooks.
        * targhooks.c (HWASAN_SHIFT): New.
        (HWASAN_SHIFT_RTX): New.
        (default_memtag_tag_size): New default hook.
        (default_memtag_granule_size): New default hook.
        (default_memtag_insert_random_tag): New default hook.
        (default_memtag_add_tag): New default hook.
        (default_memtag_set_tag): New default hook.
        (default_memtag_extract_tag): New default hook.
        (default_memtag_untagged_pointer): New default hook.
        * targhooks.h (default_memtag_tag_size): New default hook.
        (default_memtag_granule_size): New default hook.
        (default_memtag_insert_random_tag): New default hook.
        (default_memtag_add_tag): New default hook.
        (default_memtag_set_tag): New default hook.
        (default_memtag_extract_tag): New default hook.
        (default_memtag_untagged_pointer): New default hook.
        * toplev.c (compile_file): Call hwasan_finish_file when finished.

2020-11-25  Matthew Malcomson  <matthew.malcomson@arm.com>

        * common.opt (flag_sanitize_recover): Default for kernel
        hwaddress.
        (static-libhwasan): New cli option.
        * config/aarch64/aarch64.c (aarch64_can_tag_addresses): New.
        (TARGET_MEMTAG_CAN_TAG_ADDRESSES): New.
        * config/gnu-user.h (LIBHWASAN_EARLY_SPEC): hwasan equivalent of
        asan command line flags.
        * cppbuiltin.c (define_builtin_macros_for_compilation_flags):
        Add hwasan equivalent of __SANITIZE_ADDRESS__.
        * doc/invoke.texi: Document hwasan command line flags.
        * doc/tm.texi: Document new hook.
        * doc/tm.texi.in: Document new hook.
        * flag-types.h (enum sanitize_code): New sanitizer values.
        * gcc.c (STATIC_LIBHWASAN_LIBS): New macro.
        (LIBHWASAN_SPEC): New macro.
        (LIBHWASAN_EARLY_SPEC): New macro.
        (SANITIZER_EARLY_SPEC): Update to include hwasan.
        (SANITIZER_SPEC): Update to include hwasan.
        (sanitize_spec_function): Use hwasan options.
        * opts.c (finish_options): Describe conflicts between address
        sanitizers.
        (find_sanitizer_argument): New.
        (report_conflicting_sanitizer_options): New.
        (sanitizer_opts): Introduce new sanitizer flags.
        (common_handle_option): Add defaults for kernel sanitizer.
        * params.opt (hwasan--instrument-stack): New
        (hwasan-random-frame-tag): New
        (hwasan-instrument-allocas): New
        (hwasan-instrument-reads): New
        (hwasan-instrument-writes): New
        (hwasan-instrument-mem-intrinsics): New
        * target.def (HOOK_PREFIX): Add new hook.
        (can_tag_addresses): Add new hook under memtag prefix.
        * targhooks.c (default_memtag_can_tag_addresses): New.
        * targhooks.h (default_memtag_can_tag_addresses): New decl.
        * toplev.c (process_options): Ensure hwasan only on
        architectures that advertise the possibility.

2020-11-25  Matthew Malcomson  <matthew.malcomson@arm.com>

        * doc/install.texi: Document new option.

2020-11-25  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.c (aarch64_maybe_expand_sve_subreg_move):
        Do not optimize LRA subregs.
        * config/aarch64/aarch64-sve.md
        (@aarch64_pred_<SVE_INT_UNARY:optab><mode>): Tie the input to the
        output.
        (@aarch64_sve_revbhw_<SVE_ALL:mode><PRED_HSD:mode>): Likewise.
        (*<ANY_EXTEND:optab><SVE_PARTIAL_I:mode><SVE_HSDI:mode>2): Likewise.
        (@aarch64_pred_sxt<SVE_FULL_HSDI:mode><SVE_PARTIAL_I:mode>): Likewise.
        (*cnot<mode>): Likewise.
        (@aarch64_pred_<SVE_COND_FP_UNARY:optab><mode>): Likewise.
        (@aarch64_sve_<optab>_nontrunc<SVE_FULL_F:mode><SVE_FULL_HSDI:mode>):
        Likewise.
        (@aarch64_sve_<optab>_trunc<VNx2DF_ONLY:mode><VNx4SI_ONLY:mode>):
        Likewise.
        (@aarch64_sve_<optab>_nonextend<SVE_FULL_HSDI:mode><SVE_FULL_F:mode>):
        Likewise.
        (@aarch64_sve_<optab>_extend<VNx4SI_ONLY:mode><VNx2DF_ONLY:mode>):
        Likewise.
        (@aarch64_sve_<optab>_trunc<SVE_FULL_SDF:mode><SVE_FULL_HSF:mode>):
        Likewise.
        (@aarch64_sve_<optab>_trunc<VNx4SF_ONLY:mode><VNx8BF_ONLY:mode>):
        Likewise.
        (@aarch64_sve_<optab>_nontrunc<SVE_FULL_HSF:mode><SVE_FULL_SDF:mode>):
        Likewise.
        * config/aarch64/aarch64-sve2.md
        (@aarch64_pred_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): Likewise.
        (@aarch64_pred_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>): Likewise.
        (@aarch64_pred_<SVE2_U32_UNARY:sve_int_op><mode>): Likewise.
        (@aarch64_pred_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): Likewise.

2020-11-25  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/95862
        * internal-fn.c (get_min_precision): For narrowing conversion, recurse
        on the operand and if the operand precision is smaller than the
        current one, return that smaller precision.
        (expand_mul_overflow): For s1 * u2 -> ur and s1 * s2 -> ur cases
        if the sum of minimum precisions of both operands is smaller or equal
        to the result precision, just perform normal multiplication and
        set overflow to the sign bit of the multiplication result.  For
        u1 * u2 -> sr if both arguments have the MSB known zero, use
        normal s1 * s2 -> sr expansion.

2020-11-25  Jan Hubicka  <jh@suse.cz>

        * cfg.c (free_block): New function.
        (clear_edges): Rename to ....
        (free_cfg): ... this one; also free BBs and vectors.
        (expunge_block): Update comment.
        * cfg.h (clear_edges): Rename to ...
        (free_cfg): ... this one.
        * cgraph.c (release_function_body): Use free_cfg.

2020-11-25  Richard Biener  <rguenther@suse.de>

        PR middle-end/97579
        * gimple-isel.cc (gimple_expand_vec_cond_expr): Lower
        VECTOR_BOOLEAN_TYPE_P, non-vector mode VEC_COND_EXPRs.

2020-11-25  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/97943
        * gimple-fold.c (clear_padding_union, clear_padding_type): Error on and
        ignore flexible array member fields.  Ignore fields with
        error_mark_node type.

2020-11-24  Ulrich Weigand  <ulrich.weigand@de.ibm.com>

        Revert:
        2020-11-24  Ulrich Weigand  <uweigand@de.ibm.com>

        * doc/invoke.texi (-ffast-math): Remove mention of -fno-signaling-nans.
        Clarify conditions when __FAST_MATH__ preprocessor macro is defined.
        * opts.c (common_handle_option): Pass OPTS_SET to set_fast_math_flags
        and set_unsafe_math_optimizations_flags.
        (set_fast_math_flags): Add OPTS_SET argument, and use it to avoid
        setting flags already explicitly set on the command line.  In the !set
        case, also reset x_flag_cx_limited_range and x_flag_excess_precision.
        Never reset x_flag_signaling_nans or x_flag_rounding_math.
        (set_unsafe_math_optimizations_flags): Add OPTS_SET argument, and use
        it to avoid setting flags already explicitly set on the command line.
        (fast_math_flags_set_p): Also test x_flag_cx_limited_range,
        x_flag_associative_math, x_flag_reciprocal_math, and
        x_flag_rounding_math.

2020-11-24  Vladimir Makarov  <vmakarov@redhat.com>

        PR bootstrap/97933
        * lra.c (lra_process_new_insns): Stop on the first real insn after
        head of e->dest.

2020-11-24  Richard Earnshaw  <rearnsha@arm.com>

        PR target/97534
        * config/arm/arm.c (arm_split_atomic_op): Use gen_int_mode when
        negating a const_int.

2020-11-24  Ilya Leoshkevich  <iii@linux.ibm.com>

        * config/s390/vector.md: Use vcond_comparison_operator
        predicate.

2020-11-24  Ulrich Weigand  <uweigand@de.ibm.com>

        * doc/invoke.texi (-ffast-math): Remove mention of -fno-signaling-nans.
        Clarify conditions when __FAST_MATH__ preprocessor macro is defined.
        * opts.c (common_handle_option): Pass OPTS_SET to set_fast_math_flags
        and set_unsafe_math_optimizations_flags.
        (set_fast_math_flags): Add OPTS_SET argument, and use it to avoid
        setting flags already explicitly set on the command line.  In the !set
        case, also reset x_flag_cx_limited_range and x_flag_excess_precision.
        Never reset x_flag_signaling_nans or x_flag_rounding_math.
        (set_unsafe_math_optimizations_flags): Add OPTS_SET argument, and use
        it to avoid setting flags already explicitly set on the command line.
        (fast_math_flags_set_p): Also test x_flag_cx_limited_range,
        x_flag_associative_math, x_flag_reciprocal_math, and
        x_flag_rounding_math.

2020-11-24  Jakub Jelinek  <jakub@redhat.com>

        PR target/97950
        * config/i386/i386.md (*setcc_si_1_and): Macroize into...
        (*setcc_<mode>_1_and): New define_insn_and_split with SWI24 iterator.
        (*setcc_si_1_movzbl): Macroize into...
        (*setcc_<mode>_1_movzbl): New define_insn_and_split with SWI24
        iterator.

2020-11-24  Jakub Jelinek  <jakub@redhat.com>

        * gimple-fold.c (clear_padding_flush): If a word contains only 0
        or 0xff bytes of padding other than all set, all clear, all set
        followed by all clear or all clear followed by all set, don't emit
        a RMW operation on the whole word or parts of it, but instead
        clear the individual bytes of padding.  For paddings of one byte
        size, don't use char[1] and {}, but instead just char and 0.

2020-11-24  Thomas Schwinge  <thomas@codesourcery.com>

        * omp-expand.c (expand_oacc_for): More explicit checking of which
        OMP constructs we're expecting.

2020-11-24  Thomas Schwinge  <thomas@codesourcery.com>

        * doc/install.texi (Prerequisites) <Tcl>: Add comment.

2020-11-24  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/96929
        * fold-const.c (wide_int_binop) <case LSHIFT_EXPR, case RSHIFT_EXPR>:
        Return false on negative second argument rather than trying to handle
        it as shift in the other direction.
        * tree-ssa-ccp.c (bit_value_binop) <case LSHIFT_EXPR,
        case RSHIFT_EXPR>: Punt on negative shift count rather than trying
        to handle it as shift in the other direction.
        * match.pd (-1 >> x to -1): Remove tree_expr_nonnegative_p check.

2020-11-24  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        PR tree-optimization/97849
        * tree-if-conv.c (tree_if_conversion): Move ssa_name
        replacement code from ifcvt_local_dce to this function
        before calling do_rpo_vn.

2020-11-24  Martin Sebor  <msebor@redhat.com>

        * tree-cfg.c (dump_function_to_file): Print type attributes
        and return type.

2020-11-23  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.h (ipa_pass_through_data): Expand comment describing
        operation.
        * ipa-prop.c (analyze_agg_content_value): Detect new special case and
        encode it as ASSERT_EXPR.
        * ipa-cp.c (values_equal_for_ipcp_p): Move before
        ipa_get_jf_arith_result.
        (ipa_get_jf_arith_result): Special case ASSERT_EXPR.

2020-11-23  Jeff Law  <law@redhat.com>

        * config/h8300/h8300.c (h8300_rtx_costs): Handle the various
        comparison rtx codes too.

2020-11-23  Jan Hubicka  <jh@suse.cz>

        * ipa-prop.c (build_agg_jump_func_from_list,
        ipa_read_jump_function): Reserve agg.items precisely.
        * ipa-prop.h (ipa_node_params::~ipa_node_params): Release descriptors
        (ipa_edge_args::~ipa_edge_args): Release agg.items.

2020-11-23  Jan Hubicka  <jh@suse.cz>

        * lto-streamer-in.c (input_cfg): Do not init ssa operands.
        (input_function): Do not init tree_ssa and set in_ssa_p.
        (input_ssa_names): Do it here.
        * tree-ssa.c (init_tree_ssa): Add additional SIZE parameter, default
        to 0
        * tree-ssanames.c (init_ssanames): Do not round size up to 50, allocate
        precisely.
        * tree-ssa.h (init_tree_ssa): Update prototype.

2020-11-23  Nathan Sidwell  <nathan@acm.org>

        * diagnostic.c (diagnostic_report_current_module): Adjust for C++
        module importation.

2020-11-23  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430.c (msp430_section_attr): Don't warn for "lower"
        attribute used with "noinit" or "persistent" attributes.
        (msp430_persist_attr): Remove.
        (attr_lower_exclusions): Remove ATTR_PERSIST exclusion.
        (attr_upper_exclusions): Likewise.
        (attr_either_exclusions): Likewise.
        (attr_persist_exclusions): Remove.
        (msp430_attribute_table): Remove ATTR_PERSIST handling.
        (msp430_handle_generic_attribute): Remove ATTR_PERSIST section conflict
        handling.
        (TARGET_ASM_INIT_SECTIONS): Remove.
        (msp430_init_sections): Remove.
        (msp430_select_section): Use default_elf_select_section for decls with
        the "persistent" attribute.
        (msp430_section_type_flags): Remove ".persistent" section handling.
        * doc/extend.texi (MSP430 Variable Attributes): Remove "noinit" and
        "persistent" documentation.

2020-11-23  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (maybe_push_to_hybrid_worklist): Skip
        debug stmts.

2020-11-23  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * doc/extend.texi (Common Variable Attributes): Document the
        "persistent" variable attribute.
        * doc/sourcebuild.texi (Effective-Target Keywords): Document
        the "persistent" effective target keyword.
        * tree.h (DECL_PERSISTENT_P): Define.
        * varasm.c (bss_initializer_p): Return false for a
        DECL_PERSISTENT_P decl initialized to zero.
        (default_section_type_flags): Handle the ".persistent" section.
        (default_elf_select_section): Likewise.
        (default_unique_section): Likewise.

2020-11-23  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * tree.h (DECL_NOINIT_P): Define.
        * varasm.c (DECL_NOINIT_P): Check DECL_NOINIT_P before using
        unnamed bss/lcomm sections for bss_initializer variables.
        (default_elf_select_section): Use DECL_NOINIT_P instead of
        looking up attribute for .noinit section selection.
        (default_unique_section): Check DECL_NOINIT_P for .noinit
        section selection.

2020-11-23  Matthew Malcomson  <matthew.malcomson@arm.com>

        * doc/install.texi: Document bootstrap-asan option.

2020-11-22  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/97873
        * config/i386/i386.md (abs<mode>2): Use SWI48DWI mode iterator.
        (*abs<dwi>2_doubleword): Use DWIH mode iterator.
        (<maxmin:code><mode>3): Use SWI48DWI mode iterator.
        (*<maxmin:code><dwi>3_doubleword): Use DWIH mode iterator.

2020-11-22  Austin Law  <austinklaw@gmail.com>

        * config/h8300/addsub.md: Turn existing patterns into
        define_insn_and_split style patterns where the splitter
        adds a clobber of the condition code register.  Drop "cc"
        attribute.  Add _clobber_flags patterns to match output of
        the splitters.
        (add<mod>3_incdec): Remove pattern
        (adds/subs splitter): Only run before reload.
        * config/h8300/bitfield.md: Turn existing patterns into
        define_insn_and_split style patterns where the splitter
        adds a clobber of the condition code register.  Drop "cc"
        attribute.  Add _clobber_flags patterns to match output
        of the splitters.
        (cstoreqi4, cstorehi4, cstoresi4): Comment out
        (*bstzhireg, *cmpstz, *bstz, *bistz, *cmpcondset): Likewise
        (*condbset, *cmpcondbclr, *condbclr): Likewise.
        (*cmpcondbsetreg, *condbsetreg, *cmpcondbclrreg): Likewise.
        (*condbclrreg): Likewise.
        * config/h8300/combiner.md: Turn existing patterns into
        define_insn_and_split style patterns where the splitter
        adds a clobber of the condition code register.  Drop "cc"
        attribute.  Add _clobber_flags patterns to match output of
        the splitters.  Add appropriate CC register clobbers to
        existing splitters.
        (*addsi3_and_r_1): Disable for now.
        (*addsi3_and_not_r_1, bit-test branches): Likewise.
        * config/h8300/divmod.md: Turn existing patterns into
        define_insn_and_split style patterns where the splitter
        adds a clobber of the condition code register.  Drop "cc"
        attribute.  Add _clobber_flags patterns to match output of
        the splitters.
        * config/h8300/extensions.md: Turn existing patterns into
        define_insn_and_split style patterns where the splitter
        adds a clobber of the condition code register.  Drop "cc"
        attribute.  Add _clobber_flags patterns to match output of
        the splitters.
        * config/h8300/genmova.sh: Drop "cc" attribute from patterns.
        * config/h8300/mova.md: Drop "cc" attribute from patterns.
        * config/h8300/h8300-modes.def: Add CCZN and CCZNV modes.
        * config/h8300/h8300-protos.h (output_plussi): Update prototype.
        (compute_plussi_length): Likewise.
        (h8300_select_cc_mode): Add prototype.
        (compute_a_shift_cc): Remove prototype
        (cmpute_logical_op_cc): Likewise.
        * config/h8300/h8300.c (names_big): Add "cc" register.
        (names_extended, names_upper_extended): Likewise.
        (h8300_emit_stack_adjustment): Be more selective about setting
        RTX_FRAME_RELATED_P.
        (h8300_print_operand): Handle CCZN mode
        (h8300_select_cc_mode): New function.
        (notice_update_cc): if-0 out.  Only kept for reference purposes.
        (h8300_expand_store): Likewise.
        (h8300_binary_length): Handle new insn forms.
        (output_plussi): Add argument for NEED_FLAGS and handle that case.
        (compute_plussi_length): Likewise.
        (compute_logical_op_cc): Return integer.
        (TARGET_FLAGS_REGNUM): Define.
        * config/h8300/h8300.h (FIRST_PSEUDO_REGISTER): Bump for cc register.
        (FIXED_REGISTERS, CALL_USED_REGISTERS): Handle cc register.
        (REG_ALLOC_ORDER, REGISTER_NAMES): Likewise.
        (SELECT_CC_MODE): Define.
        * config/h8300/h8300.md: Add CC_REG.
        Do not include peepholes.md for now.
        * config/h8300/jumpcall.md (cbranchqi4): Consolidate into
        cbranch<mode>4.
        (cbranchhi4, cbranchsi4): Likewise.
        (cbranch<mode>4): New expander.
        (branch): New define_insn_and_split for use before reload.
        (branch_1, branch_1_false): New patterns to match splitter output.
        Remove code to manage cc_status.flags.
        * config/h8300/logical.md: Turn existing patterns into
        define_insn_and_split style patterns where the splitter
        adds a clobber of the condition code register.  Drop "cc"
        attribute.  Add _clobber_flags patterns to match output of
        the splitters.  Move various peepholes into this file.
        * config/h8300/movepush.md: Turn existing patterns into
        define_insn_and_split style patterns where the splitter
        adds a clobber of the condition code register.  Drop "cc"
        attribute.  Add _clobber_flags patterns to match output of
        the splitters.
        * config/h8300/multiply.md: Turn existing patterns into
        define_insn_and_split style patterns where the splitter
        adds a clobber of the condition code register.  Drop "cc"
        attribute.  Add _clobber_flags patterns to match output of
        the splitters.
        * config/h8300/other.md: Turn existing patterns into
        define_insn_and_split style patterns where the splitter
        adds a clobber of the condition code register.  Drop "cc"
        attribute.  Add _clobber_flags patterns to match output of
        the splitters.
        * config/h8300/peepholes.md: Remove peepholes that were moved
        elsewhere.
        * config/h8300/predicates.md (simple_memory_operand): New.
        * config/h8300/proepi.md: Drop "cc" attribute setting.
        * config/h8300/shiftrotate.md: Turn existing patterns into
        define_insn_and_split style patterns where the splitter
        adds a clobber of the condition code register.  Drop "cc"
        attribute.  Add _clobber_flags patterns to match output of
        the splitters.
        * config/h8300/testcompare.md: Turn existing patterns into
        define_insn_and_split style patterns where the splitter
        adds a clobber of the condition code register.  Drop "cc"
        attribute.  Add _clobber_flags patterns to match output of
        the splitters.  Disable various patterns for now.
        Move some peepholes that were previously in peepholes.md here.
        * config/h8300/save.md: New file.

2020-11-22  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/95853
        * tree-ssa-math-opts.c (uaddsub_overflow_check_p): Add maxval
        argument, if non-NULL, instead look for r > maxval or r <= maxval
        comparisons.
        (match_uaddsub_overflow): Pattern recognize even other forms of
        __builtin_add_overflow, in particular when addition is performed
        in a wider type and result compared to maximum of the narrower
        type.

2020-11-22  Jeff Law  <law@redhat.com>

        * config/h8300/jumpcall.md (branch_true, branch_false): Revert
        recent change.  Ensure operand[0] is always the target label.

2020-11-22  Iain Sandoe  <iain@sandoe.co.uk>

        * config/darwin-c.c (struct f_align_stack): Rename
        to type from align_stack to f_align_stack.
        (push_field_alignment): Likewise.
        (pop_field_alignment): Likewise.

2020-11-21  Marek Polacek  <polacek@redhat.com>

        PR c++/94695
        * doc/invoke.texi: Update the -Wrange-loop-construct description.

2020-11-21  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-alias.c (ao_compare::compare_ao_refs,
        ao_compare::hash_ao_ref): Use OEP_MATCH_SIDE_EFFECTS.

2020-11-21  Jan Hubicka  <jh@suse.cz>

        * ipa-icf.c (sem_function::equals_wpa): Do not compare ODR type with
        -fno-devirtualize.
        (sem_item_optimizer::update_hash_by_addr_refs): Hash anonymous ODR
        types by TYPE_UID of their main variant.

2020-11-21  Aaron Sawdey  <acsawdey@linux.ibm.com>

        * config/rs6000/rs6000.c (rs6000_option_override_internal):
        Enable vector pair memcpy/memmove expansion.

2020-11-21  Aaron Sawdey  <acsawdey@linux.ibm.com>

        * config/rs6000/mma.md (unspec): Add assemble/extract UNSPECs.
        (movoi): Change to movoo.
        (*movpoi): Change to *movoo.
        (movxi): Change to movxo.
        (*movpxi): Change to *movxo.
        (mma_assemble_pair): Change to OO mode.
        (*mma_assemble_pair): New define_insn_and_split.
        (mma_disassemble_pair): New define_expand.
        (*mma_disassemble_pair): New define_insn_and_split.
        (mma_assemble_acc): Change to XO mode.
        (*mma_assemble_acc): Change to XO mode.
        (mma_disassemble_acc): New define_expand.
        (*mma_disassemble_acc): New define_insn_and_split.
        (mma_<acc>): Change to XO mode.
        (mma_<vv>): Change to XO mode.
        (mma_<avv>): Change to XO mode.
        (mma_<pv>): Change to OO mode.
        (mma_<apv>): Change to XO/OO mode.
        (mma_<vvi4i4i8>): Change to XO mode.
        (mma_<avvi4i4i8>): Change to XO mode.
        (mma_<vvi4i4i2>): Change to XO mode.
        (mma_<avvi4i4i2>): Change to XO mode.
        (mma_<vvi4i4>): Change to XO mode.
        (mma_<avvi4i4>): Change to XO mode.
        (mma_<pvi4i2>): Change to XO/OO mode.
        (mma_<apvi4i2>): Change to XO/OO mode.
        (mma_<vvi4i4i4>): Change to XO mode.
        (mma_<avvi4i4i4>): Change to XO mode.
        * config/rs6000/predicates.md (input_operand): Allow opaque.
        (mma_disassemble_output_operand): New predicate.
        * config/rs6000/rs6000-builtin.def:
        Changes to disassemble builtins.
        * config/rs6000/rs6000-call.c (rs6000_return_in_memory):
        Disallow __vector_pair/__vector_quad as return types.
        (rs6000_promote_function_mode): Remove function return type
        check because we can't test it here any more.
        (rs6000_function_arg): Do not allow __vector_pair/__vector_quad
        as as function arguments.
        (rs6000_gimple_fold_mma_builtin):
        Handle mma_disassemble_* builtins.
        (rs6000_init_builtins): Create types for XO/OO modes.
        * config/rs6000/rs6000-modes.def: DElete OI, XI,
        POI, and PXI modes, and create XO and OO modes.
        * config/rs6000/rs6000-string.c (expand_block_move):
        Update to OO mode.
        * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok_uncached):
        Update for XO/OO modes.
        (rs6000_rtx_costs): Make UNSPEC_MMA_XXSETACCZ cost 0.
        (rs6000_modes_tieable_p): Update for XO/OO modes.
        (rs6000_debug_reg_global): Update for XO/OO modes.
        (rs6000_setup_reg_addr_masks): Update for XO/OO modes.
        (rs6000_init_hard_regno_mode_ok): Update for XO/OO modes.
        (reg_offset_addressing_ok_p): Update for XO/OO modes.
        (rs6000_emit_move): Update for XO/OO modes.
        (rs6000_preferred_reload_class): Update for XO/OO modes.
        (rs6000_split_multireg_move): Update for XO/OO modes.
        (rs6000_mangle_type): Update for opaque types.
        (rs6000_invalid_conversion): Update for XO/OO modes.
        * config/rs6000/rs6000.h (VECTOR_ALIGNMENT_P):
        Update for XO/OO modes.
        * config/rs6000/rs6000.md (RELOAD): Update for XO/OO modes.

2020-11-21  Aaron Sawdey  <acsawdey@linux.ibm.com>

        * typeclass.h: Add opaque_type_class.
        * builtins.c (type_to_class): Identify opaque type class.
        * dwarf2out.c (is_base_type): Handle opaque types.
        (gen_type_die_with_usage): Handle opaque types.
        * expr.c (count_type_elements): Opaque types should
        never have initializers.
        * ipa-devirt.c (odr_types_equivalent_p): No type-specific handling
        for opaque types is needed as it eventually checks the underlying
        mode which is what is important.
        * tree-streamer.c (record_common_node): Handle opaque types.
        * tree.c (type_contains_placeholder_1): Handle opaque types.
        (type_cache_hasher::equal): No additional comparison needed for
        opaque types.

2020-11-20  Michael Meissner  <meissner@linux.ibm.com>

        * config/rs6000/rs6000-call.c (rs6000_expand_builtin): Add missing
        XSCMP* cases for IEEE 128-bit long double.

2020-11-20  Jason Merrill  <jason@redhat.com>

        PR c++/97918
        * dwarf2out.c (dwarf2out_early_finish): flush_limbo_die_list
        after gen_scheduled_generic_parms_dies.

2020-11-20  Martin Sebor  <msebor@redhat.com>

        PR middle-end/97879
        * tree-core.h (enum attribute_flags): Add ATTR_FLAG_INTERNAL.

2020-11-20  Jan Hubicka  <jh@suse.cz>

        * ipa-icf-gimple.c (func_checker::hash_operand): Improve hashing of
        decls.

2020-11-20  Jan Hubicka  <jh@suse.cz>

        * ipa-icf-gimple.c (func_checker::compare_decl): Do not compare types
        of local variables.

2020-11-20  Nathan Sidwell  <nathan@acm.org>

        * doc/invoke.texi: Replace a couple of @code with @command

2020-11-20  Tamar Christina  <tamar.christina@arm.com>

        * tree-vect-slp.c (vectorizable_slp_permutation): Update types on nodes
        when needed.

2020-11-20  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (maybe_push_to_hybrid_worklist): New function.
        (vect_detect_hybrid_slp): Use it.  Perform a backward walk
        over the IL.

2020-11-20  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_print_slp_tree): Also dump
        SLP_TREE_REPRESENTATIVE.

2020-11-20  Jakub Jelinek  <jakub@redhat.com>

        PR libstdc++/88101
        * builtins.def (BUILT_IN_CLEAR_PADDING): New built-in function.
        * gimplify.c (gimplify_call_expr): Rewrite single argument
        BUILT_IN_CLEAR_PADDING into two-argument variant.
        * gimple-fold.c (clear_padding_unit, clear_padding_buf_size): New
        const variables.
        (struct clear_padding_struct): New type.
        (clear_padding_flush, clear_padding_add_padding,
        clear_padding_emit_loop, clear_padding_type,
        clear_padding_union, clear_padding_real_needs_padding_p,
        clear_padding_type_may_have_padding_p,
        gimple_fold_builtin_clear_padding): New functions.
        (gimple_fold_builtin): Handle BUILT_IN_CLEAR_PADDING.
        * doc/extend.texi (__builtin_clear_padding): Document.

2020-11-20  Jakub Jelinek  <jakub@redhat.com>

        PR target/97528
        * config/arm/arm.c (neon_vector_mem_operand): For POST_MODIFY, require
        first POST_MODIFY operand is a REG and is equal to the first operand
        of PLUS.

2020-11-20  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple-ssa-store-merging.c (struct merged_store_group): Add
        new 'consecutive' field.
        (merged_store_group): Set it to true.
        (do_merge): Set it to false if the store is not consecutive and
        set string_concatenation to false in this case.
        (merge_into): Call do_merge on entry.
        (merge_overlapping): Likewise.

2020-11-20  Jan Hubicka  <jh@suse.cz>

        * ipa-icf-gimple.c (func_checker::operand_equal_p): Fix comment.

2020-11-20  Jan Hubicka  <jh@suse.cz>

        * ipa-icf-gimple.c (func_checker::hash_operand): Hash gimple clobber.
        (func_checker::operand_equal_p): Special case gimple clobber.

2020-11-20  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/97873
        * config/i386/i386.md (*neg<mode>2_2): Rename from
        "*neg<mode>2_cmpz".  Use CCGOCmode instead of CCZmode.
        (*negsi2_zext): Rename from *negsi2_cmpz_zext.
        Use CCGOCmode instead of CCZmode.
        (*neg<mode>_ccc_1): New insn pattern.
        (*neg<dwi>2_doubleword): Use *neg<mode>_ccc_1.
        (abs<mode>2): Add FLAGS_REG clobber.
        Use TARGET_CMOVE insn predicate.
        (*abs<mode>2_1): New insn_and_split pattern.
        (*absdi2_doubleword): Ditto.
        (<maxmin:code><mode>3): Use SWI48x mode iterator.
        (*<maxmin:code><mode>3): Use SWI48 mode iterator.
        * config/i386/i386-features.c
        (general_scalar_chain::compute_convert_gain): Handle ABS code.
        (general_scalar_chain::convert_insn): Ditto.
        (general_scalar_to_vector_candidate_p): Ditto.

2020-11-20  Jakub Jelinek  <jakub@redhat.com>

        PR other/97911
        * configure.ac: In SERIAL_LIST use lang words without .serial
        suffix.  Change $lang.prev from a target to variable and instead
        of depending on *.serial expand to the *.serial variable if
        the word is in the SERIAL_LIST at all, otherwise to nothing.
        * configure: Regenerated.

2020-11-20  Kewen Lin  <linkw@linux.ibm.com>

        * config/rs6000/rs6000.md (p8_mtvsrd_df): Fix insn type.

2020-11-20  Martin Uecker  <muecker@gwdg.de>

        * gimplify.c (gimplify_modify_expr_rhs): Optimizie
        NOP_EXPRs that contain compound literals.

2020-11-19  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/91029
        * range-op.cc (operator_trunc_mod::op1_range): Don't require signed
        types, nor require that op2 >= 0.  Implement (a % b) >= x && x > 0
        implies a >= x and (a % b) <= x && x < 0 implies a <= x.
        (operator_trunc_mod::op2_range): New method.

2020-11-19  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/93781
        * range-op.cc (get_shift_range): Rename from
        undefined_shift_range_check and now return valid shift ranges.
        (operator_lshift::fold_range): Use result from get_shift_range.
        (operator_rshift::fold_range): Ditto.

2020-11-19  Jan Hubicka  <jh@suse.cz>

        * fold-const.c (operand_compare::operand_equal_p): Fix thinko in
        COMPONENT_REF handling and guard types_same_for_odr by
        virtual_method_call_p.
        (operand_compare::hash_operand): Likewise.

2020-11-19  Jakub Jelinek  <jakub@redhat.com>

        PR c/97860
        * tree.c (array_type_nelts): For complete arrays with zero min
        and NULL max and zero size return -1.

2020-11-19  Nathan Sidwell  <nathan@acm.org>

        * configure.ac: Add tests for fstatat, sighandler_t, O_CLOEXEC,
        unix-domain and ipv6 sockets.
        * config.in: Rebuilt.
        * configure: Rebuilt.

2020-11-19  Dimitar Dimitrov  <dimitar@dinux.eu>

        * config/pru/alu-zext.md: Add lmbd patterns for zero_extend
        variants.
        * config/pru/pru.c (enum pru_builtin): Add HALT and LMBD.
        (pru_init_builtins): Ditto.
        (pru_builtin_decl): Ditto.
        (pru_expand_builtin): Ditto.
        * config/pru/pru.h (CLZ_DEFINED_VALUE_AT_ZERO): Define PRU
        value for CLZ with zero value parameter.
        * config/pru/pru.md: Add halt, lmbd and clz patterns.
        * doc/extend.texi: Document PRU builtins.

2020-11-19  Richard Sandiford  <richard.sandiford@arm.com>

        * doc/invoke.texi (-fvect-cost-model): Add a very-cheap model.
        * common.opt (fvect-cost-model=): Add very-cheap as a possible option.
        (fsimd-cost-model=): Likewise.
        (vect_cost_model): Add very-cheap.
        * flag-types.h (vect_cost_model): Add VECT_COST_MODEL_VERY_CHEAP.
        Put the values in order of increasing aggressiveness.
        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Use
        range checks when comparing against VECT_COST_MODEL_CHEAP.
        (vect_prune_runtime_alias_test_list): Do not allow any alias
        checks for the very-cheap cost model.
        * tree-vect-loop.c (vect_analyze_loop_costing): Do not allow
        any peeling for the very-cheap cost model.  Also require one
        iteration of the vector loop to pay for itself.

2020-11-19  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (neoversen1_tunings): Use new
        cortexa76_extra_costs.
        (neoversev1_tunings): Likewise.
        (neoversen2_tunines): Likewise.
        * config/arm/aarch-cost-tables.h (cortexa76_extra_costs):
        add new costs.

2020-11-19  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (aarch64_expand_cpymem): Cleanup code and
        comments, tweak expansion decisions and improve tail expansion.

2020-11-19  Richard Biener  <rguenther@suse.de>

        * fold-const.c (operand_compare::hash_operand): Fix typo.

2020-11-19  Richard Biener  <rguenther@suse.de>

        * tree-ssa-reassoc.c (get_rank): Refactor to consistently
        use the cache and dump ranks assigned.

2020-11-19  Jan Hubicka  <jh@suse.cz>

        * fold-const.c (operand_compare::operand_equal_p): More OBJ_TYPE_REF
        matching to correct place; drop OEP_ADDRESS_OF for TOKEN, OBJECT and
        class.
        (operand_compare::hash_operand): Hash ODR type for OBJ_TYPE_REF.

2020-11-19  Joel Hutton  <joel.hutton@arm.com>

        * config/aarch64/aarch64-simd.md: Add vec_widen_lshift_hi/lo<mode>
        patterns.
        * tree-vect-stmts.c (vectorizable_conversion): Fix for widen_lshift
        case.

2020-11-19  Joel Hutton  <joel.hutton@arm.com>

        * doc/generic.texi: Document new widen_plus/minus_lo/hi tree codes.
        * doc/md.texi: Document new widenening add/subtract hi/lo optabs.
        * expr.c (expand_expr_real_2): Add widen_add, widen_subtract cases.
        * optabs-tree.c (optab_for_tree_code): Add case for widening optabs.
        * optabs.def (OPTAB_D): Define vectorized widen add, subtracts.
        * tree-cfg.c (verify_gimple_assign_binary): Add case for widening adds,
        subtracts.
        * tree-inline.c (estimate_operator_cost): Add case for widening adds,
        subtracts.
        * tree-vect-generic.c (expand_vector_operations_1): Add case for
        widening adds, subtracts
        * tree-vect-patterns.c (vect_recog_widen_add_pattern): New recog
        pattern.
        (vect_recog_widen_sub_pattern): New recog pattern.
        (vect_recog_average_pattern): Update widened add code.
        (vect_recog_average_pattern): Update widened add code.
        * tree-vect-stmts.c (vectorizable_conversion): Add case for widened add,
        subtract.
        (supportable_widening_operation): Add case for widened add, subtract.
        * tree.def
        (WIDEN_PLUS_EXPR): New tree code.
        (WIDEN_MINUS_EXPR): New tree code.
        (VEC_WIDEN_ADD_HI_EXPR): New tree code.
        (VEC_WIDEN_PLUS_LO_EXPR): New tree code.
        (VEC_WIDEN_MINUS_HI_EXPR): New tree code.
        (VEC_WIDEN_MINUS_LO_EXPR): New tree code.

2020-11-19  Joel Hutton  <joel.hutton@arm.com>

        * config/aarch64/aarch64-simd.md: New patterns
        vec_widen_saddl_lo/hi_<mode>.

2020-11-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97901
        * tree-ssa-propagate.c (clean_up_loop_closed_phi): Compute
        dominators and use replace_uses_by.

2020-11-19  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.h (struct fixed_point_type_info) <scale_factor>: Turn
        numerator and denominator into a tree.
        * dwarf2out.c (base_type_die): In the case of a fixed-point type
        with arbitrary scale factor, call add_scalar_info on numerator and
        denominator to emit the appropriate attributes.

2020-11-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97897
        * tree-complex.c (complex_propagate::visit_stmt): Make sure
        abnormally used SSA names are VARYING.
        (complex_propagate::visit_phi): Likewise.
        * tree-ssa.c (verify_phi_args): Verify PHI arguments on abnormal
        edges are SSA names.

2020-11-19  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*<absneg:code><mode>2_i387_1):
        Disable for TARGET_SSE_MATH modes.

2020-11-19  Jeff Law  <law@redhat.com>

        * config/h8300/constraints.md (R constraint): Add argument to call
        to h8300_shift_needs_scratch_p.
        (S and T constraints): Similary.
        * config/h8300/h8300-protos.h: Update h8300_shift_needs_scratch_p
        prototype.
        * config/h8300/h8300.c (expand_a_shift): Emit a different pattern
        if the shift does not require a scratch register.
        (h8300_shift_needs_scratch_p): Refine to be more accurate.
        * config/h8300/shiftrotate.md (shiftqi_noscratch): New pattern.
        (shifthi_noscratch, shiftsi_noscratch): Similarly.

2020-11-18  Roger Sayle  <roger@nextmovesoftware.com>

        PR middle-end/85811
        * fold-const.c (tree_expr_finite_p): New function to test whether
        a tree expression must be finite, i.e. not a FP NaN or infinity.
        (tree_expr_infinite_p):  New function to test whether a tree
        expression must be infinite, i.e. a FP infinity.
        (tree_expr_maybe_infinite_p): New function to test whether a tree
        expression may be infinite, i.e. a FP infinity.
        (tree_expr_signaling_nan_p): New function to test whether a tree
        expression must evaluate to a signaling NaN (sNaN).
        (tree_expr_maybe_signaling_nan_p): New function to test whether a
        tree expression may be a signaling NaN (sNaN).
        (tree_expr_nan_p): New function to test whether a tree expression
        must evaluate to a (quiet or signaling) NaN.
        (tree_expr_maybe_nan_p): New function to test whether a tree
        expression me be a (quiet or signaling) NaN.
        (tree_binary_nonnegative_warnv_p) [MAX_EXPR]: In the presence
        of NaNs, MAX_EXPR is only guaranteed to be non-negative, if both
        operands are non-negative.
        (tree_call_nonnegative_warnv_p) [CASE_CFN_FMAX,CASE_CFN_FMAX_FN]:
        In the presence of signaling NaNs, fmax is only guaranteed to be
        non-negative if both operands are negative.  In the presence of
        quiet NaNs, fmax is non-negative if either operand is non-negative
        and not a qNaN, or both operands are non-negative.
        * fold-const.h (tree_expr_finite_p, tree_expr_infinite_p,
        tree_expr_maybe_infinite_p, tree_expr_signaling_nan_p,
        tree_expr_maybe_signaling_nan_p, tree_expr_nan_p,
        tree_expr_maybe_nan_p): Prototype new functions here.
        * builtins.c (fold_builtin_classify) [BUILT_IN_ISINF]: Fold to
        a constant if argument is known to be (or not to be) an Infinity.
        [BUILT_IN_ISFINITE]: Fold to a constant if argument is known to
        be (or not to be) finite.
        [BUILT_IN_ISNAN]: Fold to a constant if argument is known to be
        (or not to be) a NaN.
        (fold_builtin_fpclassify): Check tree_expr_maybe_infinite_p and
        tree_expr_maybe_nan_p instead of HONOR_INFINITIES and HONOR_NANS
        respectively.
        (fold_builtin_unordered_cmp): Fold UNORDERED_EXPR to a constant
        when its arguments are known to be (or not be) NaNs.  Check
        tree_expr_maybe_nan_p instead of HONOR_NANS when choosing between
        unordered and regular forms of comparison operators.
        * match.pd (ordered(x,y)->true/false): Constant fold ORDERED_EXPR
        if its operands are known to be (or not to be) NaNs.
        (unordered(x,y)->true/false): Constant fold UNORDERED_EXPR if its
        operands are known to be (or not to be) NaNs.
        (sqrt(x)*sqrt(x)->x): Check tree_expr_maybe_signaling_nan_p instead
        of HONOR_SNANS.

2020-11-18  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/91029
        PR tree-optimization/97888
        * range-op.cc (operator_trunc_mod::op1_range): Only set op1
        range to >= 0 if lhs is > 0, rather than >= 0.  Fix up comments.

2020-11-18  Jakub Jelinek  <jakub@redhat.com>

        * opts.h (struct cl_var): New type.
        (cl_vars): Declare.
        * optc-gen.awk: Generate cl_vars array.

2020-11-18  Eugene Rozenfeld  <Eugene.Rozenfeld@microsoft.com>

        PR tree-optimization/96671
        * match.pd (three xor patterns): New patterns.

2020-11-18  Jakub Jelinek  <jakub@redhat.com>

        * optc-save-gen.awk: Initialize var_opt_init.  In
        cl_optimization_stream_out for params with default values larger than
        10, xor the default value with the actual parameter value.  In
        cl_optimization_stream_in repeat the above xor.

2020-11-18  Jakub Jelinek  <jakub@redhat.com>

        * configure.ac: Add $lang.prev rules, INDEX.$lang and SERIAL_LIST and
        SERIAL_COUNT variables to Make-hooks.
        (--enable-link-serialization): New configure option.
        * Makefile.in (DO_LINK_SERIALIZATION, LINK_PROGRESS): New variables.
        * doc/install.texi (--enable-link-serialization): Document.
        * configure: Regenerated.

2020-11-18  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/97870
        * lra-constraints.c (curr_insn_transform): Do not delete asm goto
        with wrong constraints.  Nullify it saving CFG.

2020-11-18  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430.md (mulhi3): New.
        (mulsi3): New.
        (mulsidi3): Rename to *mulsidi3_inline.
        (umulsidi3): Rename to *umulsidi3_inline.
        (mulsidi3): New define_expand.
        (umulsidi3): New define_expand.

2020-11-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97886
        * tree-vect-loop.c (vectorizable_lc_phi): Properly assign
        vector types to invariants for SLP.

2020-11-18  Iain Buclaw  <ibuclaw@gdcproject.org>

        * config.gcc (*-*-dragonfly*): Add dragonfly-d.o and t-dragonfly.
        * config/dragonfly-d.c: New file.
        * config/t-dragonfly: New file.

2020-11-18  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/97862
        * omp-expand.c (expand_omp_for_init_vars): Don't use the sqrt path
        if number of iterations is constant 0.

2020-11-18  Kito Cheng  <kito.cheng@sifive.com>

        * common/config/riscv/riscv-common.c (riscv_ext_version): New.
        (riscv_ext_version_table): Ditto.
        (get_default_version): Ditto.
        (riscv_subset_t::implied_p): New field.
        (riscv_subset_t::riscv_subset_t): Init implied_p.
        (riscv_subset_list::add): New.
        (riscv_subset_list::handle_implied_ext): Pass riscv_subset_t
        instead of separated argument.
        (riscv_subset_list::to_string): Handle zifencei and zicsr, and
        omit version if version is unknown.
        (riscv_subset_list::parsing_subset_version): New argument `ext`,
        remove default_major_version and default_minor_version, get
        default version info via get_default_version.
        (riscv_subset_list::parse_std_ext): Update argument for
        parsing_subset_version calls.
        Handle 2.2 ISA spec, always enable zicsr and zifencei, they are
        included in baseline ISA in that time.
        (riscv_subset_list::parse_multiletter_ext): Update argument for
        `parsing_subset_version` and `add` calls.
        (riscv_subset_list::parse): Adjust argument for
        riscv_subset_list::handle_implied_ext call.
        * config.gcc (riscv*-*-*): Handle --with-isa-spec=.
        * config.in (HAVE_AS_MISA_SPEC): New.
        (HAVE_AS_MARCH_ZIFENCEI): Ditto.
        * config/riscv/riscv-opts.h (riscv_isa_spec_class): New.
        (riscv_isa_spec): Ditto.
        * config/riscv/riscv.h (HAVE_AS_MISA_SPEC): New.
        (ASM_SPEC): Pass -misa-spec if gas supported.
        * config/riscv/riscv.opt (riscv_isa_spec_class) New.
        * configure.ac (HAVE_AS_MARCH_ZIFENCEI): New test.
        (HAVE_AS_MISA_SPEC): Ditto.
        * configure: Regen.

2020-11-18  Kito Cheng  <kito.cheng@sifive.com>

        * common/config/riscv/riscv-common.c (riscv_implied_info):
        d and f implied zicsr.
        (riscv_ext_flag_table): Handle zicsr and zifencei.
        * config/riscv/riscv-opts.h (MASK_ZICSR): New.
        (MASK_ZIFENCEI): Ditto.
        (TARGET_ZICSR): Ditto.
        (TARGET_ZIFENCEI): Ditto.
        * config/riscv/riscv.md (clear_cache): Check TARGET_ZIFENCEI.
        (fence_i): Ditto.
        * config/riscv/riscv.opt (riscv_zi_subext): New.

2020-11-18  Kito Cheng  <kito.cheng@sifive.com>

        * common/config/riscv/riscv-common.c (single_letter_subset_rank): New.
        (multi_letter_subset_rank): Ditto.
        (subset_cmp): Ditto.
        (riscv_subset_list::add): Insert subext in canonical ordering.
        (riscv_subset_list::parse_std_ext): Move handle_implied_ext to ...
        (riscv_subset_list::parse): ... here.

2020-11-18  Jiufu Guo   <guojiufu@linux.ibm.com>

        * cfgloop.h (loop_optimizer_finalize): Add flag argument.
        * loop-init.c (loop_optimizer_finalize): Call clean_up_loop_closed_phi.
        * tree-cfgcleanup.h (clean_up_loop_closed_phi): New declare.
        * tree-ssa-loop.c (tree_ssa_loop_done): Call loop_optimizer_finalize
        with flag argument.
        * tree-ssa-propagate.c (clean_up_loop_closed_phi): New function.

2020-11-17  Sebastian Pop  <spop@amazon.com>

        * config.gcc: add configure flags --with-{cpu,arch,tune}-{32,64}
        as alias flags for --with-{cpu,arch,tune} on AArch64.
        * doc/install.texi: Document new flags for aarch64.

2020-11-17  Sebastian Pop  <spop@amazon.com>

        * config.gcc: Add --with-tune to AArch64 configure flags.

2020-11-17  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/91029
        * range-op.cc (operator_trunc_mod::op1_range): New.

2020-11-17  Jan Hubicka  <jh@suse.cz>

        * ipa-icf.c (sem_function::hash_stmt): Fix conditional on
        variably_modified_type_p.

2020-11-17  Nathan Sidwell  <nathan@acm.org>

        * tree.h (cache_integer_cst): Add defaulted might_duplicate parm.
        * tree.c (cache_integer_cst): Return the integer cst, add
        might_duplicate parm to permit finding a small duplicate.

2020-11-17  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/83072
        * range-op.cc (wi_optimize_and_or): Remove zero from IOR range when
        mask is non-zero.

2020-11-17  Joseph Myers  <joseph@codesourcery.com>

        * ginclude/float.h (CR_DECIMAL_DIG): Also define for
        [__STDC_WANT_IEC_60559_EXT__].

2020-11-17  Joseph Myers  <joseph@codesourcery.com>

        * ginclude/float.h [__STDC_VERSION__ > 201710L] (FLT_IS_IEC_60559,
        DBL_IS_IEC_60559, LDBL_IS_IEC_60559): New macros.

2020-11-17  Aaron Sawdey  <acsawdey@linux.ibm.com>

        PR target/96791
        * mode-classes.def: Add MODE_OPAQUE.
        * machmode.def: Add OPAQUE_MODE.
        * tree.def: Add OPAQUE_TYPE for types that will use
        MODE_OPAQUE.
        * doc/generic.texi: Document OPAQUE_TYPE.
        * doc/rtl.texi: Document MODE_OPAQUE.
        * machmode.h: Add OPAQUE_MODE_P().
        * genmodes.c (complete_mode): Add MODE_OPAQUE.
        (opaque_mode): New function.
        * tree.c (tree_code_size): Add OPAQUE_TYPE.
        * tree.h: Add OPAQUE_TYPE_P().
        * stor-layout.c (int_mode_for_mode): Treat MODE_OPAQUE modes
        like BLKmode.
        * ira.c (find_moveable_pseudos): Treat MODE_OPAQUE modes more
        like integer/float modes here.
        * dbxout.c (dbxout_type): Treat OPAQUE_TYPE like VOID_TYPE.
        * tree-pretty-print.c (dump_generic_node): Treat OPAQUE_TYPE
        like like other types.

2020-11-17  Jan Hubicka  <hubicka@ucw.cz>
            Martin Liska  <mliska@suse.cz>

        * ipa-icf.c: Include data-streamer.h and alias.h.
        (sem_function::sem_function): Initialize memory_access_types
        and m_alias_sets_hash.
        (sem_function::hash_stmt): For memory accesses and when going to
        do lto streaming add base and ref types into memory_access_types.
        (sem_item_optimizer::write_summary): Stream memory access types.
        (sem_item_optimizer::read_section): Likewise and also iniitalize
        m_alias_sets_hash.
        (sem_item_optimizer::execute): Call
        sem_item_optimizer::update_hash_by_memory_access_type.
        (sem_item_optimizer::update_hash_by_memory_access_type): Updat.
        * ipa-icf.h (sem_function): Add memory_access_types and
        m_alias_sets_hash.

2020-11-17  Jan Hubicka  <jh@suse.cz>

        PR bootstrap/97857
        * ipa-devirt.c (odr_based_tbaa_p): Do not ICE when
        odr_hash is not initialized
        * ipa-utils.h (type_with_linkage_p): Do not sanity check
        CXX_ODR_P.
        * tree-streamer-out.c (pack_ts_type_common_value_fields): Set
        CXX_ODR_P according to the canonical type.

2020-11-17  Nathan Sidwell  <nathan@acm.org>

        * langhooks-def.h (LANG_HOOKS_PREPROCESS_MAIN_FILE)
        (LANG_HOOKS_PREPROCESS_OPTIONS, LANG_HOOKS_PREPROCESS_UNDEF)
        (LANG_HOOKS_PREPROCESS_TOKEN): New.
        (LANG_HOOKS_INITIALIZER): Add them.
        * langhooks.h (struct lang_hooks): Add preprocess_main_file,
        preprocess_options, preprocess_undef, preprocess_token hooks.  Add
        enum PT_flags.

2020-11-17  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/97693
        * tree-vect-stmts.c (vectorizable_call): Pass the required vectype
        to vect_get_vec_defs_for_operand.

2020-11-17  Liu Hao  <lh_mouse@126.com>

        * config/i386/msformat-c.c: Add more length modifiers.

2020-11-17  Tamar Christina  <tamar.christina@arm.com>

        PR driver/97574
        * gcc.c (convert_filename): Don't add suffix to things that are
        not files.
        (not_actual_file_p): Use supplied argument.

2020-11-17  Haochen Gui  <guihaoc@gcc.gnu.org>

        * final.c (final_scan_insn_1): Set jump table relocatable as the
        second argument of targetm.asm_out.function_rodata_section.
        * output.h (default_function_rodata_section,
        default_no_function_rodata_section): Add the second argument to the
        declarations.
        * target.def (function_rodata_section): Change the doc and add
        the second argument.
        * doc/tm.texi: Regenerate.
        * varasm.c (jumptable_relocatable): Implement.
        (default_function_rodata_section): Add the second argument
        and the support for relocatable read only sections.
        (default_no_function_rodata_section): Add the second argument.
        (function_mergeable_rodata_prefix): Set the second argument to false.
        * config/mips/mips.c (mips_function_rodata_section): Add the second
        arugment and set it to false.
        * config/s390/s390.c (targetm.asm_out.function_rodata_section): Set
        the second argument to false.
        * config/s390/s390.md: Likewise.

2020-11-17  liuhongt  <hongtao.liu@intel.com>

        PR target/97194
        * config/i386/i386-expand.c (ix86_expand_vector_set_var): New function.
        * config/i386/i386-protos.h (ix86_expand_vector_set_var): New Decl.
        * config/i386/predicates.md (vec_setm_operand): New predicate,
        true for const_int_operand or register_operand under TARGET_AVX2.
        * config/i386/sse.md (vec_set<mode>): Support both constant
        and variable index vec_set.

2020-11-17  Martin Sebor  <msebor@redhat.com>

        * tree-ssa-uninit.c (maybe_warn_operand): Call is_empty_type.
        * tree.c (default_is_empty_type): Rename...
        (is_empty_type): ...to this.
        * tree.h (is_empty_type): Declare.

2020-11-17  Martin Sebor  <msebor@redhat.com>

        PR middle-end/95673
        * tree-ssa-strlen.c (used_only_for_zero_equality): Rename...
        (use_in_zero_equality): ...to this.  Add a default argument.
        (handle_builtin_memcmp): Adjust to the name change above.
        (handle_builtin_string_cmp): Same.
        (maybe_warn_pointless_strcmp): Same.  Pass in an explicit argument.

2020-11-17  Joseph Myers  <joseph@codesourcery.com>

        * ginclude/float.h (DEC32_SNAN, DEC64_SNAN, DEC128_SNAN): New C2x
        macros.

2020-11-17  Joseph Myers  <joseph@codesourcery.com>

        * ginclude/float.h (INFINITY, NAN, FLT_SNAN, DBL_SNAN, LDBL_SNAN)
        (FLT16_SNAN, FLT32_SNAN, FLT64_SNAN, FLT128_SNAN, FLT32X_SNAN)
        (FLT64X_SNAN, FLT128X_SNAN, DEC_INFINITY, DEC_NAN): New C2x
        macros.
        * doc/sourcebuild.texi (Effective-Target Keywords): Document inff.

2020-11-17  Armin Brauns via Gcc-patches  <gcc-patches@gcc.gnu.org>

        * gcc.c: Document %T spec file directive.
        * doc/invoke.texi: Remove %p, %P spec file directives.
        Add %M, %R, %V, %nSTR, %>S, %<S*, %{%:function(args):X}, %@{...} spec
        file directives add sanitize, version-compare, include, gt and
        debug-level-gt spec functions.

2020-11-16  Roger Sayle  <roger@nextmovesoftware.com>

        PR rtl-optimization/92180
        * config/i386/i386.c (ix86_hardreg_mov_ok): New function to
        determine whether (set DST SRC) should be allowed at this point.
        * config/i386/i386-protos.h (ix86_hardreg_mov_ok): Prototype here.
        * config/i386/i386-expand.c (ix86_expand_move): Check whether
        this is a complex set of a likely spilled hard register, and if
        so place the value in a pseudo, and load the hard reg from it.
        * config/i386/i386.md (*movdi_internal, *movsi_internal)
        (*movhi_internal, *movqi_internal): Make these instructions
        conditional on ix86_hardreg_mov_ok.
        (*lea<mode>): Make this define_insn_and_split conditional on
        ix86_hardreg_mov_ok.

2020-11-16  Martin Liska  <mliska@suse.cz>

        * params.opt: Add missing dot.

2020-11-16  Jan Hubicka  <jh@suse.cz>

        * ipa-modref.c (escape_point): New type.
        (modref_lattice): New type.
        (escape_entry): New type.
        (escape_summary): New type.
        (escape_summaries_t): New type.
        (escape_summaries): New static variable.
        (eaf_flags_useful_p): New function.
        (modref_summary::useful_p): Add new check_flags
        attribute; check eaf_flags for usefulness.
        (modref_summary_lto): Add arg_flags.
        (modref_summary_lto::useful_p): Add new check_flags
        attribute; check eaf_flags for usefulness.
        (dump_modref_edge_summaries): New function.
        (remove_modref_edge_summaries): New function.
        (ignore_retval_p): New predicate.
        (ignore_stores_p): Also ignore for const.
        (remove_summary): Call remove_modref_edge_summaries.
        (modref_lattice::init): New member function.
        (modref_lattice::release): New member unction.
        (modref_lattice::dump): New member function.
        (modref_lattice::add_escape_point): New member function.
        (modref_lattice::merge): Two new member functions.
        (modref_lattice::merge_deref): New member functions.
        (modref_lattice::merge_direct_load): New member function.
        (modref_lattice::merge_direct_store): New member function.
        (call_lhs_flags): Rename to ...
        (merge_call_lhs_flags): ... this one; reimplement using
        modreflattice.
        (analyze_ssa_name_flags): Replace KNOWN_FLAGS param by LATTICE;
        add IPA parametr; use modref_lattice.
        (analyze_parms): New parameter IPA and SUMMARY_LTO; update for
        modref_lattice; initialize escape_summary.
        (analyze_function): Allocate escape_summaries; update uses of useful_p.
        (modref_write_escape_summary): New function.
        (modref_read_escape_summary): New function.
        (modref_write): Write escape summary.
        (read_section): Read escape summary.
        (modref_read): Initialie escape_summaries.
        (remap_arg_flags): New function.
        (update_signature): Use it.
        (escape_map): New structure.
        (update_escape_summary_1, update_escape_summary): New functions.
        (ipa_merge_modref_summary_after_inlining): Merge escape summaries.
        (propagate_unknown_call): Do not remove useless summaries.
        (remove_useless_summaries): Remove them here.
        (modref_propagate_in_scc): Update; do not dump scc.
        (modref_propagate_dump_scc): New function.
        (modref_merge_call_site_flags): New function.
        (modref_propagate_flags_in_scc): New function.
        (pass_ipa_modref::execute): Use modref_propagate_flags_in_scc
        and modref_propagate_dump_scc; delete escape_summaries.
        (ipa_modref_c_finalize):  Remove escape_summaries.
        * ipa-modref.h (modref_summary): Update prototype of useful_p.
        * params.opt (param=modref-max-escape-points): New param.
        * doc/invoke.texi (modref-max-escape-points): Document.

2020-11-16  Jan Hubicka  <jh@suse.cz>

        PR middle-end/97840
        * ipa-modref.c (analyze_ssa_name_flags): Skip clobbers if inlining
        is done.
        * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Make stmt gcall;
        skip const calls and unused arguments.
        (warn_uninitialized_vars): Update prototype.

2020-11-16  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (vect_gather_slp_loads): Declare.
        * tree-vect-loop.c (vect_analyze_loop_2): Call
        vect_gather_slp_loads.
        * tree-vect-slp.c (vect_build_slp_instance): Do not gather
        SLP loads here.
        (vect_gather_slp_loads): Remove wrapper, new function.
        (vect_slp_analyze_bb_1): Call it.

2020-11-16   Richard Biener  <rguenther@suse.de>

        * tree-ssa-loop-im.c (analyze_memory_references): Add
        store_motion parameter and elide unnecessary work.
        (tree_ssa_lim_initialize): Likewise.
        (loop_invariant_motion_in_fun): Pass down store_motion.

2020-11-16  Martin Liska  <mliska@suse.cz>

        * params.opt: All modref parameters miss Optimization and Param
        keyword as seen in testsuite failure.

2020-11-16  Jan Hubicka  <jh@suse.cz>

        * params.opt (-param=modref-max-depth=): Add missing full stop.

2020-11-16  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * common.opt (fprofile-info-section): New.
        * coverage.c (build_gcov_info_var_registration): New.
        (coverage_obj_init): Evaluate profile_info_section and use
        build_gcov_info_var_registration().
        * doc/invoke.texi (fprofile-info-section): Document.
        * opts.c (common_handle_option): Process fprofile-info-section
        option.

2020-11-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97838
        * tree-vect-slp.c (vect_slp_build_vertices): Properly handle
        not backwards reachable cycles.
        (vect_optimize_slp): Check a node is leaf before marking it
        visited.

2020-11-16  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/97736
        * tree-switch-conversion.c (switch_decision_tree::analyze_switch_statement):
        Prefer bit tests.

2020-11-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97835
        * tree-vect-loop.c (vectorizable_induction): Convert step
        scalars rather than step vector.

2020-11-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97830
        * tree-ssa-sccvn.c (vn_reference_eq): Check for incomplete
        types before comparing TYPE_SIZE.

2020-11-16  Cui,Lili  <lili.cui@intel.com>

        * config/i386/i386.h: Add PREFETCHW to march=broadwell.
        * doc/invoke.texi: Put PREFETCHW back to relation arch.

2020-11-15  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430.c (msp430_output_labelref): Don't process mspabi
        hwmult library function names into GCC-style names.

2020-11-15  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430.c (msp430_use_16bit_hwmult): New.
        (use_32bit_hwmult): Rename to..
        (msp430_use_32bit_hwmult): ..this.
        (msp430_muldiv_costs): Use msp430_use_16bit_hwmult and
        msp430_use_32bit_hwmult.
        (msp430_expand_helper): Use msp430_use_16bit_hwmult and
        msp430_use_32bit_hwmult.
        (msp430_output_labelref): Use msp430_use_32bit_hwmult.

2020-11-15  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.c (vax_rtx_costs): Use `rtx_code' rather than
        `int' for `code'.

2020-11-15  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.c (vax_output_int_add) <E_DImode>: Fix a typo
        in NO_EXTERNAL_INDIRECT_ADDRESS.

2020-11-15  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.c (vax_output_int_add) <E_SImode>: Also check
        `operands[2]' for being symbolic with PIC rather than checking
        `operands[1]' twice.

2020-11-15  Aldy Hernandez  <aldyh@redhat.com>

        * vr-values.c (vr_values::extract_range_builtin): Rename to...
        (vr_values::extract_range_from_ubsan_builtin): ...this.
        Remove everything but UBSAN code.
        (vr_values::extract_range_basic): Call ranger version for
        everything except UBSAN built-ins.
        * vr-values.h (class vr_values): Rename extract_range_builtin to
        extract_range_from_ubsan_builtin.

2020-11-15  Vladimir N. Makarov  <vmakarov@redhat.com>

        * lra.c (lra_process_new_insns): Don't put reload insns in the
        last empty BB.

2020-11-15  Jan Hubicka  <jh@suse.cz>

        * ipa-modref.c (analyze_ssa_name_flags): Make return to clear
        EAF_UNUSED flag.

2020-11-14  Jan Hubicka  <jh@suse.cz>

        * gimple.c: Include ipa-modref-tree.h and ipa-modref.h.
        (gimple_call_arg_flags): Use modref to determine flags.
        * ipa-modref.c: Include gimple-ssa.h, tree-phinodes.h,
        tree-ssa-operands.h, stringpool.h and tree-ssanames.h.
        (analyze_ssa_name_flags): Declare.
        (modref_summary::useful_p): Summary is also useful if arg flags are
        known.
        (dump_eaf_flags): New function.
        (modref_summary::dump): Use it.
        (get_modref_function_summary): Be read for current_function_decl
        being NULL.
        (memory_access_to): New function.
        (deref_flags): New function.
        (call_lhs_flags): New function.
        (analyze_parms): New function.
        (analyze_function): Use it.
        * ipa-modref.h (struct modref_summary): Add arg_flags.
        * doc/invoke.texi (ipa-modref-max-depth): Document.
        * params.opt (ipa-modref-max-depth): New param.

2020-11-14  Jakub Jelinek  <jakub@redhat.com>

        PR debug/97599
        * dwarf2out.c (gen_subprogram_die): Call
        gen_unspecified_parameters_die even if not early dwarf, but only
        if subr_die is a newly created DIE.

2020-11-14  Monk Chiang  <monk.chiang@sifive.com>

        PR target/97682
        * config/riscv/riscv.h (RISCV_PROLOGUE_TEMP_REGNUM): Change register
        to t0.
        (RISCV_CALL_ADDRESS_TEMP_REGNUM): New Marco, define t1 register.
        (RISCV_CALL_ADDRESS_TEMP): Use it for call instructions.
        * config/riscv/riscv.c (riscv_legitimize_call_address): Use
        RISCV_CALL_ADDRESS_TEMP.
        (riscv_compute_frame_info): Change temporary register to t0 form t1.
        (riscv_trampoline_init): Adjust comment.

2020-11-14  Jim Wilson  <jimw@sifive.com>
            cooper.joshua  <cooper.joshua@linux.alibaba.com>

        * config/riscv/riscv.c (riscv_asan_shadow_offset): New.
        (TARGET_ASAN_SHADOW_OFFSET): New.
        * doc/tm.texi: Regenerated.
        * target.def (asan_shadow_offset); Mention that it can return zero.
        * toplev.c (process_options): Check for and handle zero return from
        targetm.asan_shadow_offset call.

2020-11-14  Jakub Jelinek  <jakub@redhat.com>

        * gimplify.c (gimplify_omp_for): Add OMP_CLAUSE_ALLOCATE_ALLOCATOR
        decls as firstprivate on task clauses even when allocate clause
        decl is not lastprivate.
        * omp-low.c (install_var_field): Don't dereference omp_is_reference
        types if mask is 33 rather than 1.
        (scan_sharing_clauses): Populate allocate_map even for task
        constructs.  For now remove it back for variables mentioned in
        reduction and in_reduction clauses on task/taskloop constructs
        or on VLA task firstprivates.  For firstprivate on task construct,
        install the var field into field_map with by_ref and 33 instead
        of false and 1 if mentioned in allocate clause.
        (lower_private_allocate): Set TREE_THIS_NOTRAP on the created
        MEM_REF.
        (lower_rec_input_clauses): Handle allocate for task firstprivatized
        non-VLA variables.
        (create_task_copyfn): Likewise.

2020-11-13  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-alias.c (ao_ref_base_alias_ptr_type): Remove accidental
        commit.
        (ao_ref_alias_ptr_type): Remove accidental commit.

2020-11-13  Kwok Cheung Yeung  <kcy@codesourcery.com>

        * omp-oacc-kernels-decompose.cc (maybe_build_inner_data_region):
        Use langhook instead of accessing language-specific decl
        information.

2020-11-13  Gergö Barany  <gergo@codesourcery.com>
            Thomas Schwinge  <thomas@codesourcery.com>

        * omp-oacc-kernels-decompose.cc: New.
        * Makefile.in (OBJS): Add it.
        * passes.def: Instantiate it.
        * tree-pass.h (make_pass_omp_oacc_kernels_decompose): Declare.
        * flag-types.h (enum openacc_kernels): Add.
        * doc/invoke.texi (-fopenacc-kernels): Document.
        * gimple.h (enum gf_mask): Add
        'GF_OMP_TARGET_KIND_OACC_PARALLEL_KERNELS_PARALLELIZED',
        'GF_OMP_TARGET_KIND_OACC_PARALLEL_KERNELS_GANG_SINGLE',
        'GF_OMP_TARGET_KIND_OACC_DATA_KERNELS'.
        (is_gimple_omp_oacc, is_gimple_omp_offloaded): Handle these.
        * gimple-pretty-print.c (dump_gimple_omp_target): Likewise.
        * omp-expand.c (expand_omp_target, build_omp_regions_1)
        (omp_make_gimple_edges): Likewise.
        * omp-low.c (scan_sharing_clauses, scan_omp_for)
        (check_omp_nesting_restrictions, lower_oacc_reductions)
        (lower_oacc_head_mark, lower_omp_target): Likewise.
        * omp-offload.c (execute_oacc_device_lower): Likewise.

2020-11-13  Thomas Schwinge  <thomas@codesourcery.com>

        * omp-low.c (scan_sharing_clauses, scan_omp_for)
        (lower_oacc_reductions, lower_omp_target): More explicit checking
        of which OMP constructs we're expecting.

2020-11-13  Thomas Schwinge  <thomas@codesourcery.com>

        * omp-expand.c (expand_omp_target): Attach an attribute to all
        outlined OpenACC compute regions.
        * omp-offload.c (execute_oacc_device_lower): Adjust.

2020-11-13  Jan Hubicka  <jh@suse.cz>

        * ipa-modref.c (modref_summaries::insert,
        modref_summaries_lto::insert): Remove summary if ipa-modref is disabled.

2020-11-13  Jan Hubicka  <jh@suse.cz>

        * attr-fnspec.h (attr_fnspec::arg_readonly_p): Accept '1'...'9'.

2020-11-13  Peter Jones  <pjones@redhat.com>

        * doc/extend.texi: Clarify the documentation for the ms_abi
        function attribute.

2020-11-13  Andrew MacLeod  <amacleod@redhat.com>

        * gimple-range.h (gimple_range_handler): Cast to gimple stmt
        kinds before asking for code and type.
        * gimple.h (gimple_expr_code): Call gassign and gcond routines
        to get their expr_code.

2020-11-13  Jason Merrill  <jason@redhat.com>

        * dwarf2out.c (gen_enumeration_type_die): Call
        equate_decl_number_to_die for enumerators.
        (gen_member_die): Don't move enumerators to their
        enclosing class.
        (dwarf2out_imported_module_or_decl_1): Allow importing
        individual enumerators.
        (force_decl_die): Handle CONST_DECL.

2020-11-13  Vladimir N. Makarov  <vmakarov@redhat.com>

        * cfgexpand.c (expand_asm_stmt): Output asm goto with outputs too.
        Place insns after asm goto on edges.
        * doc/extend.texi: Reflect the changes in asm goto documentation.
        * gimple.c (gimple_build_asm_1): Remove an assert checking output
        absence for asm goto.
        * gimple.h (gimple_asm_label_op, gimple_asm_set_label_op): Take
        possible asm goto outputs into account.
        * ira.c (ira): Remove critical edges for potential asm goto output
        reloads.
        (ira_nullify_asm_goto): New function.
        * ira.h (ira_nullify_asm_goto): New prototype.
        * lra-assigns.c (lra_split_hard_reg_for): Use ira_nullify_asm_goto.
        Check that splitting is done inside a basic block.
        * lra-constraints.c (curr_insn_transform): Permit output reloads
        for any jump insn.
        * lra-spills.c (lra_final_code_change): Remove USEs added in ira
        for asm gotos.
        * lra.c (lra_process_new_insns): Place output reload insns after
        jumps in the beginning of destination BBs.
        * reload.c (find_reloads): Report error for asm gotos with
        outputs.  Modify them to keep CFG consistency to avoid crashes.
        * tree-into-ssa.c (rewrite_stmt): Don't put debug stmt after asm
        goto.

2020-11-13  Jakub Jelinek  <jakub@redhat.com>

        * omp-low.c (scan_sharing_clauses): For now remove for reduction
        clauses with inscan or task modifiers decl from allocate_map.
        (lower_private_allocate): Handle TYPE_P (new_var).
        (lower_rec_input_clauses): Handle allocate clause for C/C++ array
        reductions.

2020-11-13  Martin Jambor  <mjambor@suse.cz>

        PR ipa/97816
        * ipa-cp.c (value_topo_info<valtype>::propagate_effects): Use
        safe_add instead of a simple addition.

2020-11-13  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430.c (TARGET_INSN_COST): Define.
        (msp430_insn_cost): New function.
        * config/msp430/msp430.h (BRANCH_COST): Define.
        (LOGICAL_OP_NON_SHORT_CIRCUIT): Define.

2020-11-13  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430-protos.h (msp430x_extendhisi): Return int
        instead of char *.
        (msp430_output_asm_shift_insns): Likewise.
        Add new return_length argument.
        (msp430x_insn_required): Add prototype.
        * config/msp430/msp430.c (msp430_output_asm_shift_insns): Return the
        total length, in bytes, of the emitted instructions.
        (msp430x_insn_required): New function.
        (msp430x_extendhisi): Return the total length, in bytes, of the
        emitted instructions.
        * config/msp430/msp430.h (ADJUST_INSN_LENGTH): Define.
        * config/msp430/msp430.md: New define_attr "type".
        New define_attr "extension".
        New define_attr "length_multiplier".
        New define_attr "extra_length".
        Rewrite define_attr "length".
        Set type, extension, length, length_multiplier or extra_length insn
        attributes on all insns, as appropriate.
        (andneghi3): Rewrite using constraints instead of C code to decide
        output insns.
        * config/msp430/predicates.md (msp430_cheap_operand): New predicate.
        (msp430_high_memory_operand): New predicate.

2020-11-13  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430.c (use_helper_for_const_shift): Add forward
        declaration.
        Remove unused argument.
        (struct msp430_multlib_costs): New struct.
        (msp430_is_mem_indirect): New function.
        (msp430_costs): Likewise.
        (msp430_shift_costs): Likewise.
        (msp430_muldiv_costs): Likewise.
        (msp430_get_inner_dest_code): Likewise.
        (msp430_single_op_cost): Likewise.
        (msp430_rtx_costs): Rewrite from scratch.
        (msp430_expand_shift): Adjust use_helper_for_const_shift call.

2020-11-13  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430.c (struct single_op_cost): New struct.
        (struct double_op_cost): Likewise.
        (TARGET_REGISTER_MOVE_COST): Don't define but add comment.
        (TARGET_MEMORY_MOVE_COST): Define to...
        (msp430_memory_move_cost): New function.
        (BRANCH_COST): Don't define but add comment.

2020-11-13  Jan Hubicka  <jh@suse.cz>

        * ipa-icf-gimple.c: Include tree-ssa-alias-compare.h.
        (find_checker::func_checker): Initialize m_tbaa.
        (func_checker::hash_operand): Use hash_ao_ref for memory accesses.
        (func_checker::compare_operand): Use compare_ao_refs for memory
        accesses.
        (func_checker::cmopare_gimple_assign): Do not check LHS types
        of memory stores.
        * ipa-icf-gimple.h (func_checker): Derive from ao_compare;
        add m_tbaa.
        * ipa-icf.c: Include tree-ssa-alias-compare.h.
        (sem_function::equals_private): Update call of
        func_checker::func_checker.
        * ipa-utils.h (lto_streaming_expected_p): New inline
        predicate.
        * tree-ssa-alias-compare.h: New file.
        * tree-ssa-alias.c: Include tree-ssa-alias-compare.h
        and bultins.h
        (view_converted_memref_p): New function.
        (types_equal_for_same_type_for_tbaa_p): New function.
        (ao_ref_alias_ptr_type, ao_ref_base_alias_ptr_type): New functions.
        (ao_compare::compare_ao_refs): New member function.
        (ao_compare::hash_ao_ref): New function
        * tree-ssa-alias.h (ao_ref_base_alias_ptr_type,
        ao_ref_alias_ptr_type): Declare.

2020-11-13  Jan Hubicka  <jh@suse.cz>

        * ipa-icf-gimple.c: Include gimple-walk.h.
        (func_checker::compare_ssa_name): Update call of compare_operand.
        (func_checker::hash_operand): Fix comment and add variant taking
        operand_access_type parameter.
        (func_checker::compare_operand): Add operand_access_type parameter.
        (func_checker::compare_asm_inputs_outputs): Add
        operand_access_type_map parameter; update use of
        func_checker::compare_operand.
        (func_checker::compare_gimple_call): Update use of
        func_checker::compare_operand.
        (func_checker::compare_gimple_assign): Likewise.
        (func_checker::compare_gimple_cond): Likewise.
        (func_checker::compare_gimple_switch): Likewise.
        (func_checker::compare_gimple_return): Likewise.
        (func_checker::compare_gimple_goto): Likewise.
        (func_checker::compare_gimple_asm): Likewise.
        (visit_load_store): New static functio.
        (func_checker::classify_operands): New member function.
        (func_checker::get_operand_access_type): New member function.
        * ipa-icf-gimple.h (func_checker::operand_access_type): New enum
        (func_checker::operand_access_type_map): New typedef.
        (func_checker::compare_operand): Update prototype.
        (func_checker::compare_asm_inputs_outputs): Likewise.
        (func_checker::cleassify_operands): Declare.
        (func_checker::get_operand_access_type): Declare.
        (func_checker::hash_operand): New variant with operand_access_type.
        * ipa-icf.c (sem_function::hash_stmt): Update uses of hash_operand.
        (sem_function::compare_phi_node): Update use of compare_operand.

2020-11-13  Andrea Corallo  <andrea.corallo@arm.com>

        * config/arm/aarch-common.c (aarch_accumulator_forwarding): Use
        RTL predicates where possible.
        * config/arm/arm.c (legitimate_pic_operand_p)
        (legitimize_pic_address, arm_is_segment_info_known)
        (can_avoid_literal_pool_for_label_p)
        (thumb1_legitimate_address_p, arm_legitimize_address)
        (arm_tls_referenced_p, thumb_legitimate_constant_p)
        (REG_OR_SUBREG_REG, thumb1_rtx_costs, thumb1_size_rtx_costs)
        (arm_adjust_cost, arm_coproc_mem_operand_wb)
        (neon_vector_mem_operand, neon_struct_mem_operand)
        (symbol_mentioned_p, label_mentioned_p, )
        (load_multiple_sequence, store_multiple_sequence)
        (arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi)
        (mem_ok_for_ldrd_strd, arm_emit_call_insn, output_move_neon)
        (arm_attr_length_move_neon, arm_assemble_integer)
        (arm_emit_coreregs_64bit_shift, arm_valid_symbolic_address_p)
        (extract_base_offset_in_addr, fusion_load_store): Likewise.

2020-11-13  Andrew MacLeod  <amacleod@redhat.com>

        * gimple-range.cc: (gimple_ranger::range_of_range_op): Check for
        ADDR_EXPR and call range_of_address.
        (gimple_ranger::range_of_address): Rename from
        range_of_non_trivial_assignment and match vrp_stmt_computes_nonzero.
        * gimple-range.h: (range_of_address): Renamed.
        * range-op.cc: (pointer_table): Add INTEGER_CST handler.

2020-11-13  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/94406
        * tree-ssa-loop-im.c (tree_ssa_lim): Renamed to
        loop_invariant_motion_in_fun, added a parameter to control store
        motion.
        (pass_lim::execute): Adjust call to tree_ssa_lim, now
        loop_invariant_motion_in_fun.
        * tree-ssa-loop-manip.h (loop_invariant_motion_in_fun): Declare.
        * gimple-loop-interchange.cc (pass_linterchange::execute): Call
        loop_invariant_motion_in_fun if any interchange has been done.

2020-11-13  Richard Biener  <rguenther@suse.de>

        * tree-ssa-sccvn.c (vn_phi_compute_hash): Always hash the
        number of predecessors.  Hash the block number also for
        loop header PHIs.
        (expressions_equal_p): Short-cut SSA name compares, remove
        test for NULL operands.
        (vn_phi_eq): Cache number of predecessors, change inlined
        test from expressions_equal_p.

2020-11-13  Iain Sandoe  <iain@sandoe.co.uk>

        * doc/extend.texi: Don't try to line-wrap an @r command.

2020-11-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97812
        * tree-vrp.c (register_edge_assert_for_2): Extend the range
        according to its sign before seeing whether it fits.

2020-11-13  Andrea Corallo  <andrea.corallo@arm.com>

        * config/aarch64/aarch64.c (tls_symbolic_operand_type)
        (aarch64_load_symref_appropriately, aarch64_mov128_immediate)
        (aarch64_expand_mov_immediate)
        (aarch64_maybe_expand_sve_subreg_move)
        (aarch64_tls_referenced_p, aarch64_cannot_force_const_mem)
        (aarch64_base_register_rtx_p, aarch64_classify_index)
        (aarch64_classify_address, aarch64_symbolic_address_p)
        (aarch64_reinterpret_float_as_int, aarch64_float_const_rtx_p)
        (aarch64_can_const_movi_rtx_p, aarch64_select_cc_mode)
        (aarch64_print_operand, aarch64_label_mentioned_p)
        (aarch64_secondary_reload, aarch64_preferred_reload_class)
        (aarch64_address_cost, aarch64_tls_symbol_p)
        (aarch64_classify_symbol, aarch64_legitimate_pic_operand_p)
        (aarch64_legitimate_constant_p)
        (aarch64_sve_float_arith_immediate_p)
        (aarch64_sve_float_mul_immediate_p, aarch64_mov_operand_p)
        (fusion_load_store): Use RTL operands where possible.

2020-11-13  Sudakshina Das  <sudi.das@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_expand_setmem): New
        declaration.
        * config/aarch64/aarch64.c (aarch64_gen_store_pair): Add case for
        E_V16QImode.
        (aarch64_set_one_block_and_progress_pointer): New helper for
        aarch64_expand_setmem.
        (aarch64_expand_setmem): Define the expansion for memset.
        * config/aarch64/aarch64.h (CLEAR_RATIO): Tweak to favor
        aarch64_expand_setmem when allowed and profitable.
        (SET_RATIO): Likewise.
        * config/aarch64/aarch64.md: Define pattern for setmemdi.

2020-11-13  Iain Sandoe  <iain@sandoe.co.uk>

        PR objc/90707
        * doc/extend.texi: Document the objc_nullability attribute.

2020-11-13  Iain Sandoe  <iain@sandoe.co.uk>

        PR objc/77404
        * doc/extend.texi: Document the objc_root_class attribute.
        * doc/invoke.texi: Document -Wobjc-root-class.

2020-11-13  Richard Biener  <rguenther@suse.de>

        * cfgexpand.c (gimple_assign_rhs_to_tree): Use
        gimple_assign_rhs_class.
        (expand_gimple_stmt_1): Likewise.
        * gimplify-me.c (gimple_regimplify_operands): Use
        gimple_assign_single_p.
        * ipa-icf-gimple.c (func_checker::compare_gimple_assign):
        Remove redundant compare.
        (func_checker::compare_gimple_cond): Use gimple_cond_code.
        * tree-ssa-tail-merge.c (gimple_equal_p): Likewise.
        * predict.c (predict_loops): Use gimple_assign_rhs_code.

2020-11-13  Aldy Hernandez  <aldyh@redhat.com>

        * tree-vrp.c (class vrp_folder): Make visit_stmt, visit_phi,
        and m_vr_values private.
        (vrp_folder::vrp_evaluate_conditional): Remove.
        (vrp_folder::vrp_simplify_stmt_using_ranges): Remove.
        (vrp_folder::fold_predicate_in): Inline
        vrp_evaluate_conditional and vrp_simplify_stmt_using_ranges.
        (vrp_folder::fold_stmt): Same.

2020-11-13  Aldy Hernandez  <aldyh@redhat.com>

        * tree-vrp.c (class vrp_prop): Rename vr_values to m_vr_values.
        (vrp_prop::vrp_prop): New.
        (vrp_prop::initialize): Rename vr_values to m_vr_values.
        (vrp_prop::visit_stmt): Same.
        (vrp_prop::visit_phi): Same.
        (vrp_prop::finalize): Same.
        (execute_vrp): Instantiate vrp_vr_values and pass it to folder
        and propagator.

2020-11-13  Aldy Hernandez  <aldyh@redhat.com>

        * tree-vrp.c (class vrp_prop): Move entire class...
        (class vrp_folder): ...before here.

2020-11-13  Aldy Hernandez  <aldyh@redhat.com>

        * tree-vrp.c (identify_jump_threads): Refactor to..
        (vrp_jump_threader::vrp_jump_threader): ...here
        (vrp_jump_threader::~vrp_jump_threader): ...and here.
        (vrp_jump_threader::after_dom_children): Rename vr_values to
        m_vr_values.
        (execute_vrp): Use vrp_jump_threader.

2020-11-13  Aldy Hernandez  <aldyh@redhat.com>

        * tree-vrp.c (struct assert_locus): Move.
        (class vrp_insert): Rename to vrp_asserts.
        (vrp_insert::build_assert_expr_for): Move to vrp_asserts.
        (fp_predicate): Same.
        (vrp_insert::dump): Same.
        (vrp_insert::register_new_assert_for): Same.
        (extract_code_and_val_from_cond_with_ops): Move.
        (vrp_insert::finish_register_edge_assert_for): Move to vrp_asserts.
        (maybe_set_nonzero_bits): Move.
        (vrp_insert::find_conditional_asserts): Move to vrp_asserts.
        (stmt_interesting_for_vrp): Move.
        (struct case_info): Move.
        (compare_case_labels): Move.
        (lhs_of_dominating_assert): Move.
        (find_case_label_index): Move.
        (find_case_label_range): Move.
        (class vrp_asserts): New.
        (vrp_asserts::build_assert_expr_for): Rename from vrp_insert.
        (vrp_asserts::dump): Same.
        (vrp_asserts::register_new_assert_for): Same.
        (vrp_asserts::finish_register_edge_assert_for): Same.
        (vrp_asserts::find_conditional_asserts): Same.
        (vrp_asserts::compare_case_labels): Same.
        (vrp_asserts::find_switch_asserts): Same.
        (vrp_asserts::find_assert_locations_in_bb): Same.
        (vrp_asserts::find_assert_locations): Same.
        (vrp_asserts::process_assert_insertions_for): Same.
        (vrp_asserts::compare_assert_loc): Same.
        (vrp_asserts::process_assert_insertions): Same.
        (vrp_asserts::insert_range_assertions): Same.
        (vrp_asserts::all_imm_uses_in_stmt_or_feed_cond): Same.
        (vrp_asserts::remove_range_assertions): Same.
        (class vrp_prop): Move.
        (all_imm_uses_in_stmt_or_feed_cond): Move.
        (vrp_prop::vrp_initialize): Move.
        (class vrp_folder): Move.
        (vrp_folder::fold_predicate_in): Move.
        (vrp_folder::fold_stmt): Move.
        (vrp_prop::initialize): Move.
        (vrp_prop::visit_stmt): Move.
        (enum ssa_prop_result): Move.
        (vrp_prop::visit_phi): Move.
        (vrp_prop::finalize): Move.
        (class vrp_dom_walker): Rename to...
        (class vrp_jump_threader): ...this.
        (vrp_jump_threader::before_dom_children): Rename from
        vrp_dom_walker.
        (simplify_stmt_for_jump_threading): Rename to...
        (vrp_jump_threader::simplify_stmt): ...here.
        (vrp_jump_threader::after_dom_children): Same.
        (identify_jump_threads): Move.
        (vrp_prop::vrp_finalize): Move array bounds setup code to...
        (execute_vrp): ...here.

2020-11-13  Andrew MacLeod  <amacleod@redhat.com>

        * gimple-range.h (gimple_range_handler): Use gimple_assign and
        gimple_cond routines to get type and code.
        * range-op.cc (range_op_handler): Check for integral types.

2020-11-12  Nelson Chu  <nelson.chu@sifive.com>

        * configure: Regenerated.
        * configure.ac: If ifunc was supported in the binutils for
        linux toolchain, then set enable_gnu_indirect_function to yes.

2020-11-12  Joseph Myers  <joseph@codesourcery.com>

        * doc/cpp.texi (__has_attribute): Document when scopes are allowed
        for C.
        (__has_c_attribute): New.

2020-11-12  Jakub Jelinek  <jakub@redhat.com>

        * builtin-types.def (BT_FN_PTR_SIZE_SIZE_PTRMODE): New function type.
        * omp-builtins.def (BUILT_IN_GOACC_DECLARE): Move earlier.
        (BUILT_IN_GOMP_ALLOC, BUILT_IN_GOMP_FREE): New builtins.
        * gimplify.c (gimplify_scan_omp_clauses): Force allocator into a
        decl if it is not NULL, INTEGER_CST or decl.
        (gimplify_adjust_omp_clauses): Clear GOVD_EXPLICIT on explicit clauses
        which are being removed.  Remove allocate clauses for variables not seen
        if they are private, firstprivate or linear too.  Call
        omp_notice_variable on the allocator otherwise.
        (gimplify_omp_for): Handle iterator vars mentioned in allocate clauses
        similarly to non-is_gimple_reg iterators.
        * omp-low.c (struct omp_context): Add allocate_map field.
        (delete_omp_context): Delete it.
        (scan_sharing_clauses): Fill it from allocate clauses.  Remove it
        if mentioned also in shared clause.
        (lower_private_allocate): New function.
        (lower_rec_input_clauses): Handle allocate clause for privatized
        variables, except for task/taskloop, C/C++ array reductions for now
        and task/inscan variables.
        (lower_send_shared_vars): Don't consider variables in allocate_map
        as shared.
        * omp-expand.c (expand_omp_for_generic, expand_omp_for_static_nochunk,
        expand_omp_for_static_chunk): Use expand_omp_build_assign instead of
        gimple_build_assign + gsi_insert_after.
        * builtins.c (builtin_fnspec): Handle BUILTIN_GOMP_ALLOC and
        BUILTIN_GOMP_FREE.
        * tree-ssa-ccp.c (evaluate_stmt): Handle BUILTIN_GOMP_ALLOC.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Handle
        BUILTIN_GOMP_ALLOC.
        (mark_all_reaching_defs_necessary_1): Handle BUILTIN_GOMP_ALLOC
        and BUILTIN_GOMP_FREE.
        (propagate_necessity): Likewise.

2020-11-12  Martin Jambor  <mjambor@suse.cz>

        * cgraphclones.c (cgraph_node::materialize_clone): Check that clone
        info is not NULL before attempting to dump it.

2020-11-12  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (class ipcp_value_base): Change the type of
        local_time_benefit and prop_time_benefit to sreal.  Adjust the
        constructor initializer.
        (ipcp_lattice::print): Dump sreals.
        (struct caller_statistics): Change the type of freq_sum to sreal.
        (gather_caller_stats): Work with sreal freq_sum.
        (incorporate_penalties): Work with sreal evaluation.
        (good_cloning_opportunity_p): Adjusted for sreal sreal time_benefit
        and freq_sum.  Bail out if size_cost is INT_MAX.
        (perform_estimation_of_a_value): Work with sreal time_benefit.  Avoid
        unnecessary capping.
        (estimate_local_effects): Pass sreal time benefit to
        good_cloning_opportunity_p without capping it.  Adjust dumping.
        (safe_add): If there can be overflow, return INT_MAX.
        (propagate_effects): Work with sreal times.
        (get_info_about_necessary_edges): Work with sreal frequencies.
        (decide_about_value): Likewise and with sreal time benefits.

2020-11-12  Marek Polacek  <polacek@redhat.com>

        * system.h (WARN_UNUSED_RESULT): Define for GCC >= 3.4.
        * tree.h (maybe_wrap_with_location): Add WARN_UNUSED_RESULT.

2020-11-12  Jan Hubicka  <jh@suse.cz>

        * fold-const.c (operand_compare::operand_equal_p): Compare field
        offsets in operand_equal_p and OEP_ADDRESS_OF.
        (operand_compare::hash_operand): Update.

2020-11-12  Richard Biener  <rguenther@suse.de>

        * bitmap.c (bitmap_list_view): Restore head->current.
        * tree-ssa-pre.c (pre_expr_DFS): Elide expr_visited bitmap.
        Special-case value expression bitmaps with one element.
        (bitmap_find_leader): Likewise.
        (sorted_array_from_bitmap_set): Elide expr_visited bitmap.

2020-11-12  Jan Hubicka  <jh@suse.cz>

        * attr-fnspec.h: Update topleve comment.
        (attr_fnspec::arg_direct_p): Accept 1...9.
        (attr_fnspec::arg_maybe_written_p): Reject 1...9.
        (attr_fnspec::arg_copied_to_arg_p): New member function.
        * builtins.c (builtin_fnspec): Update fnspec of block copy.
        * tree-ssa-alias.c (attr_fnspec::verify): Update.

2020-11-12  Richard Biener  <rguenther@suse.de>

        * tree-ssa-pre.c (bitmap_value_replace_in_set): Return
        whether we have changed anything.
        (do_pre_regular_insertion): Get topologically sorted array
        of expressions from caller.
        (do_pre_partial_partial_insertion): Likewise.
        (insert): Compute topologically sorted arrays of expressions
        here and locally iterate actual insertion.  Iterate only
        when AVAIL_OUT of an already visited block source changed.

2020-11-12  Alex Coplan  <alex.coplan@arm.com>

        PR target/97730
        * config/aarch64/aarch64-sve2.md (@aarch64_sve2_bcax<mode>):
        Change to define_expand, add missing (trivially-predicated) not
        rtx to fix wrong code bug.
        (*aarch64_sve2_bcax<mode>): New.

2020-11-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97806
        * tree-ssa-pre.c (pre_expr_DFS): New overload for visiting
        values, visiting all leaders for a value.  Use a bitmap
        for visited values.
        (sorted_array_from_bitmap_set): Walk over values and adjust.

2020-11-12  Andreas Krebbel  <krebbel@linux.ibm.com>

        PR target/97326
        * config/s390/vector.md: Support vector floating point modes in
        vec_cmp.

2020-11-12  Andreas Krebbel  <krebbel@linux.ibm.com>

        * config/s390/vector.md: Rename tointvec to TOINTVEC.
        * config/s390/vx-builtins.md: Likewise.

2020-11-12  Jason Merrill  <jason@redhat.com>

        PR debug/97060
        * dwarf2out.c (gen_subprogram_die): It's a declaration
        if DECL_INITIAL isn't set.

2020-11-12  David Malcolm  <dmalcolm@redhat.com>

        PR tree-optimization/97424
        * doc/invoke.texi (Static Analyzer Options): Add
        -Wno-analyzer-shift-count-negative and
        -Wno-analyzer-shift-count-overflow.
        (-Wno-analyzer-shift-count-negative): New.
        (-Wno-analyzer-shift-count-overflow): New.

2020-11-11  Iain Sandoe  <iain@sandoe.co.uk>

        * config/darwin-protos.h (darwin_make_eh_symbol_indirect): New.
        * config/darwin.c (darwin_make_eh_symbol_indirect): New. Use
        Mach-O semantics for personality and ldsa indirections.
        * config/darwin.h (TARGET_ASM_MAKE_EH_SYMBOL_INDIRECT): New.
        * doc/tm.texi: Regenerate.
        * doc/tm.texi.in: Add TARGET_ASM_MAKE_EH_SYMBOL_INDIRECT hook.
        * dwarf2out.c (dwarf2out_do_cfi_startproc): If the target defines
        a hook for indirecting personality and ldsa references, use that
        otherwise default to ELF semantics.
        * target.def (make_eh_symbol_indirect): New target hook.

2020-11-11  Patrick Palka  <ppalka@redhat.com>

        PR c++/88115
        * common.opt (-fabi-version): Document =15.
        * doc/invoke.texi (C++ Dialect Options): Likewise.

2020-11-11  Marek Polacek  <polacek@redhat.com>

        PR c++/97518
        * tree.c (maybe_wrap_with_location): Don't add a location
        wrapper around an artificial and ignored decl.

2020-11-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97623
        * tree-ssa-pre.c (create_expression_by_pieces): Guard
        NEW_SETS access.
        (insert_into_preds_of_block): Likewise.

2020-11-11  Richard Biener  <rguenther@suse.de>

        * tree-ssa-pre.c (pre_expr_DFS): New function.
        (sorted_array_from_bitmap_set): Use it to properly
        topologically sort the expression set.
        (clean): Verify we've cleaned everything we should.

2020-11-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97623
        * params.opt (-param=max-pre-hoist-insert-iterations): Remove
        again.
        * doc/invoke.texi (max-pre-hoist-insert-iterations): Likewise.
        * tree-ssa-pre.c (insert): Move hoist insertion after PRE
        insertion iteration and do not iterate it.

2020-11-11  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-sve.md (@vcond_mask_<mode><vpred>): Extend
        from SVE_FULL to SVE_ALL.
        (*vcond_mask_<mode><vpred>): Likewise.
        (@aarch64_sel_dup<mode>): Likewise.
        (vcond<SVE_FULL:mode><v_int_equiv>): Extend to...
        (vcond<SVE_ALL:mode><SVE_I:mode>): ...this, but requiring the
        sizes of the container modes to match.
        (vcondu<SVE_FULL:mode><v_int_equiv>): Extend to...
        (vcondu<SVE_ALL:mode><SVE_I:mode>): ...this.
        (vec_cmp<SVE_FULL_I:mode><vpred>): Extend to...
        (vec_cmp<SVE_I:mode><vpred>): ...this.
        (vec_cmpu<SVE_FULL_I:mode><vpred>): Extend to...
        (vec_cmpu<SVE_I:mode><vpred>): ...this.
        (@aarch64_pred_cmp<cmp_op><SVE_FULL_I:mode>): Extend to...
        (@aarch64_pred_cmp<cmp_op><SVE_I:mode>): ...this.
        (*cmp<cmp_op><SVE_FULL_I:mode>_cc): Extend to...
        (*cmp<cmp_op><SVE_I:mode>_cc): ...this.
        (*cmp<cmp_op><SVE_FULL_I:mode>_ptest): Extend to...
        (*cmp<cmp_op><SVE_I:mode>_ptest): ...this.
        (*cmp<cmp_op><SVE_FULL_I:mode>_and): Extend to...
        (*cmp<cmp_op><SVE_I:mode>_and): ...this.

2020-11-11  Richard Sandiford  <richard.sandiford@arm.com>

        * optabs-tree.c (expand_vec_cond_expr_p): Allow the compared values
        and the selected values to have different mode sizes.
        * gimple-isel.cc (gimple_expand_vec_cond_expr): Likewise.

2020-11-11  Hongtao Liu  <hongtao.liu@intel.com>
            Hongyu Wang  <hongyu.wang@intel.com>

        * common/config/i386/cpuinfo.h (get_available_features):
        Detect AVXVNNI.
        * common/config/i386/i386-common.c
        (OPTION_MASK_ISA2_AVXVNNI_SET,
        OPTION_MASK_ISA2_AVXVNNI_UNSET): New.
        (OPTION_MASK_ISA2_AVX2_UNSET): Add AVXVNNI.
        (ix86_hanlde_option): Handle -mavxvnni, unset avxvnni when
        avx2 is disabled.
        * common/config/i386/i386-cpuinfo.h (enum processor_features):
        Add FEATURE_AVXVNNI.
        * common/config/i386/i386-isas.h: Add ISA_NAMES_TABLE_ENTRY
        for avxvnni.
        * config.gcc: Add avxvnniintrin.h.
        * config/i386/avx512vnnivlintrin.h: Reimplement 128/256 bit non-mask
        intrinsics with macros to support unified interface.
        * config/i386/avxvnniintrin.h: New header file.
        * config/i386/cpuid.h (bit_AVXVNNI): New.
        * config/i386/i386-builtins.c (def_builtin): Handle AVXVNNI mask
        for unified builtin.
        * config/i386/i386-builtin.def (BDESC): Adjust AVX512VNNI
        builtins for AVXVNNI.
        * config/i386/i386-c.c (ix86_target_macros_internal): Define
        __AVXVNNI__.
        * config/i386/i386-expand.c (ix86_expand_builtin): Handle bisa
        for AVXVNNI to support unified intrinsic name, since there is no
        dependency between AVX512VNNI and AVXVNNI.
        * config/i386/i386-options.c (isa2_opts): Add -mavxvnni.
        (ix86_valid_target_attribute_inner_p): Handle avxnnni.
        (ix86_option_override_internal): Ditto.
        * config/i386/i386.h (TARGET_AVXVNNI, TARGET_AVXVNNI_P,
        TARGET_AVXVNNI_P, PTA_AVXVNNI): New.
        (PTA_SAPPHIRERAPIDS): Add AVX_VNNI.
        (PTA_ALDERLAKE): Likewise.
        * config/i386/i386.md ("isa"): Add avxvnni, avx512vnnivl.
        ("enabled"): Adjust for avxvnni and avx512vnnivl.
        * config/i386/i386.opt: Add option -mavxvnni.
        * config/i386/immintrin.h: Include avxvnniintrin.h.
        * config/i386/sse.md (vpdpbusd_<mode>): Adjust for AVXVNNI.
        (vpdpbusds_<mode>): Likewise.
        (vpdpwssd_<mode>): Likewise.
        (vpdpwssds_<mode>): Likewise.
        (vpdpbusd_v16si): New.
        (vpdpbusds_v16si): Likewise.
        (vpdpwssd_v16si): Likewise.
        (vpdpwssds_v16si): Likewise.
        * doc/invoke.texi: Document -mavxvnni.
        * doc/extend.texi: Document avxvnni.
        * doc/sourcebuild.texi: Document target avxvnni.

2020-11-11  Martin Liska  <mliska@suse.cz>

        * tree.c (copy_node): Fix spelling.

2020-11-11  Richard Biener  <rguenther@suse.de>

        * tree-ssa-pre.c (phi_translate_set): Do not sort the
        expression set topologically.

2020-11-11  Aldy Hernandez  <aldyh@redhat.com>

        * value-range.cc (irange::set): Early exit on VR_VARYING.

2020-11-11  Zhiheng Xie  <xiezhiheng@huawei.com>
            Nannan Zheng  <zhengnannan@huawei.com>

        * config/aarch64/aarch64-simd-builtins.def: Add proper FLAG
        for arithmetic operation intrinsics.

2020-11-11  Strager Neds  <strager.nds@gmail.com>

        * cgraph.h (symtab_node::set_section_for_node): Declare new
        overload.
        (symtab_node::set_section_from_string): Rename from set_section.
        (symtab_node::set_section_from_node): Declare.
        * symtab.c (symtab_node::set_section_for_node): Define new
        overload.
        (symtab_node::set_section_from_string): Rename from set_section.
        (symtab_node::set_section_from_node): Define.
        (symtab_node::set_section): Call renamed set_section_from_string.
        (symtab_node::set_section): Call new set_section_from_node.

2020-11-11  Strager Neds  <strager.nds@gmail.com>

        * symtab.c (symtab_node::set_section_for_node): Extract reference
        counting logic into ...
        (retain_section_hash_entry): ... here (new function) and ...
        (release_section_hash_entry): ... here (new function).

2020-11-11  liuhongt  <hongtao.liu@intel.com>

        * config/i386/i386.h (PTA_MOVDIRI, PTA_MOVDIR64B,
        PTA_AMX_TILE, PTA_AMX_INT8, PTA_AMX_BF16, PTA_HRESET):
        Formatting.

2020-11-11  Ilya Leoshkevich  <iii@linux.ibm.com>

        * config/s390/s390.h (HAVE_TF): Use opaque value when
        GENERATOR_FILE is defined.

2020-11-10  Strager Neds  <strager.nds@gmail.com>

        * cgraph.h (symtab_node::get_section): Constify.
        (symtab_node::set_section): Declare new overload.
        * symtab.c (symtab_node::set_section): Define new overload.
        (symtab_node::copy_visibility_from): Use new overload of
        symtab_node::set_section.
        (symtab_node::resolve_alias): Same.
        * tree.h (set_decl_section_name): Declare new overload.
        * tree.c (set_decl_section_name): Define new overload.
        * tree-emutls.c (get_emutls_init_templ_addr): Same.
        * cgraphclones.c (cgraph_node::create_virtual_clone): Use new
        overload of symtab_node::set_section.
        (cgraph_node::create_version_clone_with_body): Same.
        * trans-mem.c (ipa_tm_create_version): Same.

2020-11-10  Aldy Hernandez  <aldyh@redhat.com>

        * value-range.cc (irange::set): Early exit for poly ints.

2020-11-10  Tobias Burnus  <tobias@codesourcery.com>

        * gimplify.c (gimplify_scan_omp_clauses, gimplify_omp_loop): Use 'do'
        instead of 'for' in error messages for Fortran.
        * omp-low.c (check_omp_nesting_restrictions): Likewise

2020-11-10  Matthew Malcomson  <matthew.malcomson@arm.com>

        * opts.c (control_options_for_live_patching): Reform 'is incompatible
        with' error messages to use a standard message with differing format
        arguments.
        (finish_options): Likewise.

2020-11-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97769
        * tree-vect-data-refs.c (vect_update_misalignment_for_peel):
        Remove assert.

2020-11-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97780
        * tree-ssa-pre.c (fini_pre): Deal with added basic blocks
        when freeing PHI_TRANS_TABLE.

2020-11-10  Zhiheng Xie  <xiezhiheng@huawei.com>
            Nannan Zheng  <zhengnannan@huawei.com>

        * config/aarch64/aarch64-simd-builtins.def: Add proper FLAG
        for tbl/tbx intrinsics.

2020-11-10  Chung-Lin Tang  <cltang@codesourcery.com>

        * gimplify.c (is_or_contains_p): New static helper function.
        (omp_target_reorder_clauses): New function.
        (gimplify_scan_omp_clauses): Add use of omp_target_reorder_clauses to
        reorder clause list according to OpenMP 5.0 rules. Add handling of
        GOMP_MAP_ATTACH_DETACH for OpenMP cases.
        * omp-low.c (is_omp_target): New static helper function.
        (scan_sharing_clauses): Add scan phase handling of GOMP_MAP_ATTACH/DETACH
        for OpenMP cases.
        (lower_omp_target): Add lowering handling of GOMP_MAP_ATTACH/DETACH for
        OpenMP cases.

2020-11-10  Ilya Leoshkevich  <iii@linux.ibm.com>

        * config/s390/s390-modes.def (FPRX2): New mode.
        * config/s390/s390-protos.h (s390_fma_allowed_p): New function.
        * config/s390/s390.c (s390_fma_allowed_p): Likewise.
        (s390_build_signbit_mask): Support 128-bit masks.
        (print_operand): Support printing the second word of a TFmode
        operand as vector register.
        (constant_modes): Add FPRX2mode.
        (s390_class_max_nregs): Return 1 for TFmode on z14+.
        (s390_is_fpr128): New function.
        (s390_is_vr128): Likewise.
        (s390_can_change_mode_class): Use s390_is_fpr128 and
        s390_is_vr128 in order to determine whether mode refers to a FPR
        pair or to a VR.
        (s390_emit_compare): Force TFmode operands into registers on
        z14+.
        * config/s390/s390.h (HAVE_TF): New macro.
        (EXPAND_MOVTF): New macro.
        (EXPAND_TF): Likewise.
        * config/s390/s390.md (PFPO_OP_TYPE_FPRX2): PFPO_OP_TYPE_TF
        alias.
        (ALL): Add FPRX2.
        (FP_ALL): Add FPRX2 for z14+, restrict TFmode to z13-.
        (FP): Likewise.
        (FP_ANYTF): New mode iterator.
        (BFP): Add FPRX2 for z14+, restrict TFmode to z13-.
        (TD_TF): Likewise.
        (xde): Add FPRX2.
        (nBFP): Likewise.
        (nDFP): Likewise.
        (DSF): Likewise.
        (DFDI): Likewise.
        (SFSI): Likewise.
        (DF): Likewise.
        (SF): Likewise.
        (fT0): Likewise.
        (bt): Likewise.
        (_d): Likewise.
        (HALF_TMODE): Likewise.
        (tf_fpr): New mode_attr.
        (type): New mode_attr.
        (*cmp<mode>_ccz_0): Use type instead of mode with fsimp.
        (*cmp<mode>_ccs_0_fastmath): Likewise.
        (*cmptf_ccs): New pattern for wfcxb.
        (*cmptf_ccsfps): New pattern for wfkxb.
        (mov<mode>): Rename to mov<mode><tf_fpr>.
        (signbit<mode>2): Rename to signbit<mode>2<tf_fpr>.
        (isinf<mode>2): Renamed to isinf<mode>2<tf_fpr>.
        (*TDC_insn_<mode>): Use type instead of mode with fsimp.
        (fixuns_trunc<FP:mode><GPR:mode>2): Rename to
        fixuns_trunc<FP:mode><GPR:mode>2<FP:tf_fpr>.
        (fix_trunctf<mode>2): Rename to fix_trunctf<mode>2_fpr.
        (floatdi<mode>2): Rename to floatdi<mode>2<tf_fpr>, use type
        instead of mode with itof.
        (floatsi<mode>2): Rename to floatsi<mode>2<tf_fpr>, use type
        instead of mode with itof.
        (*floatuns<GPR:mode><FP:mode>2): Use type instead of mode for
        itof.
        (floatuns<GPR:mode><FP:mode>2): Rename to
        floatuns<GPR:mode><FP:mode>2<tf_fpr>.
        (trunctf<mode>2): Rename to trunctf<mode>2_fpr, use type instead
        of mode with fsimp.
        (extend<DSF:mode><BFP:mode>2): Rename to
        extend<DSF:mode><BFP:mode>2<BFP:tf_fpr>.
        (<FPINT:fpint_name><BFP:mode>2): Rename to
        <FPINT:fpint_name><BFP:mode>2<BFP:tf_fpr>, use type instead of
        mode with fsimp.
        (rint<BFP:mode>2): Rename to rint<BFP:mode>2<BFP:tf_fpr>, use
        type instead of mode with fsimp.
        (<FPINT:fpint_name><DFP:mode>2): Use type instead of mode for
        fsimp.
        (rint<DFP:mode>2): Likewise.
        (trunc<BFP:mode><DFP_ALL:mode>2): Rename to
        trunc<BFP:mode><DFP_ALL:mode>2<BFP:tf_fpr>.
        (trunc<DFP_ALL:mode><BFP:mode>2): Rename to
        trunc<DFP_ALL:mode><BFP:mode>2<BFP:tf_fpr>.
        (extend<BFP:mode><DFP_ALL:mode>2): Rename to
        extend<BFP:mode><DFP_ALL:mode>2<BFP:tf_fpr>.
        (extend<DFP_ALL:mode><BFP:mode>2): Rename to
        extend<DFP_ALL:mode><BFP:mode>2<BFP:tf_fpr>.
        (add<mode>3): Rename to add<mode>3<tf_fpr>, use type instead of
        mode with fsimp.
        (*add<mode>3_cc): Use type instead of mode with fsimp.
        (*add<mode>3_cconly): Likewise.
        (sub<mode>3): Rename to sub<mode>3<tf_fpr>, use type instead of
        mode with fsimp.
        (*sub<mode>3_cc): Use type instead of mode with fsimp.
        (*sub<mode>3_cconly): Likewise.
        (mul<mode>3): Rename to mul<mode>3<tf_fpr>, use type instead of
        mode with fsimp.
        (fma<mode>4): Restrict using s390_fma_allowed_p.
        (fms<mode>4): Restrict using s390_fma_allowed_p.
        (div<mode>3): Rename to div<mode>3<tf_fpr>, use type instead of
        mode with fdiv.
        (neg<mode>2): Rename to neg<mode>2<tf_fpr>.
        (*neg<mode>2_cc): Use type instead of mode with fsimp.
        (*neg<mode>2_cconly): Likewise.
        (*neg<mode>2_nocc): Likewise.
        (*neg<mode>2): Likeiwse.
        (abs<mode>2): Rename to abs<mode>2<tf_fpr>, use type instead of
        mode with fdiv.
        (*abs<mode>2_cc): Use type instead of mode with fsimp.
        (*abs<mode>2_cconly): Likewise.
        (*abs<mode>2_nocc): Likewise.
        (*abs<mode>2): Likewise.
        (*negabs<mode>2_cc): Likewise.
        (*negabs<mode>2_cconly): Likewise.
        (*negabs<mode>2_nocc): Likewise.
        (*negabs<mode>2): Likewise.
        (sqrt<mode>2): Rename to sqrt<mode>2<tf_fpr>, use type instead
        of mode with fsqrt.
        (cbranch<mode>4): Use FP_ANYTF instead of FP.
        (copysign<mode>3): Rename to copysign<mode>3<tf_fpr>, use type
        instead of mode with fsimp.
        * config/s390/s390.opt (flag_vx_long_double_fma): New
        undocumented option.
        * config/s390/vector.md (V_HW): Add TF for z14+.
        (V_HW2): Likewise.
        (VFT): Likewise.
        (VF_HW): Likewise.
        (V_128): Likewise.
        (tf_vr): New mode_attr.
        (tointvec): Add TF.
        (mov<mode>): Rename to mov<mode><tf_vr>.
        (movetf): New dispatcher.
        (*vec_tf_to_v1tf): Rename to *vec_tf_to_v1tf_fpr, restrict to
        z13-.
        (*vec_tf_to_v1tf_vr): New pattern for z14+.
        (*fprx2_to_tf): Likewise.
        (*mov_tf_to_fprx2_0): Likewise.
        (*mov_tf_to_fprx2_1): Likewise.
        (add<mode>3): Rename to add<mode>3<tf_vr>.
        (addtf3): New dispatcher.
        (sub<mode>3): Rename to sub<mode>3<tf_vr>.
        (subtf3): New dispatcher.
        (mul<mode>3): Rename to mul<mode>3<tf_vr>.
        (multf3): New dispatcher.
        (div<mode>3): Rename to div<mode>3<tf_vr>.
        (divtf3): New dispatcher.
        (sqrt<mode>2): Rename to sqrt<mode>2<tf_vr>.
        (sqrttf2): New dispatcher.
        (fma<mode>4): Restrict using s390_fma_allowed_p.
        (fms<mode>4): Likewise.
        (neg_fma<mode>4): Likewise.
        (neg_fms<mode>4): Likewise.
        (neg<mode>2): Rename to neg<mode>2<tf_vr>.
        (negtf2): New dispatcher.
        (abs<mode>2): Rename to abs<mode>2<tf_vr>.
        (abstf2): New dispatcher.
        (float<mode>tf2_vr): New forwarder.
        (float<mode>tf2): New dispatcher.
        (floatuns<mode>tf2_vr): New forwarder.
        (floatuns<mode>tf2): New dispatcher.
        (fix_trunctf<mode>2_vr): New forwarder.
        (fix_trunctf<mode>2): New dispatcher.
        (fixuns_trunctf<mode>2_vr): New forwarder.
        (fixuns_trunctf<mode>2): New dispatcher.
        (<FPINT:fpint_name><VF_HW:mode>2<VF_HW:tf_vr>): New pattern.
        (<FPINT:fpint_name>tf2): New forwarder.
        (rint<mode>2<tf_vr>): New pattern.
        (rinttf2): New forwarder.
        (*trunctfdf2_vr): New pattern.
        (trunctfdf2_vr): New forwarder.
        (trunctfdf2): New dispatcher.
        (trunctfsf2_vr): New forwarder.
        (trunctfsf2): New dispatcher.
        (extenddftf2_vr): New pattern.
        (extenddftf2): New dispatcher.
        (extendsftf2_vr): New forwarder.
        (extendsftf2): New dispatcher.
        (signbittf2_vr): New forwarder.
        (signbittf2): New dispatchers.
        (isinftf2_vr): New forwarder.
        (isinftf2): New dispatcher.
        * config/s390/vx-builtins.md (*vftci<mode>_cconly): Use VF_HW
        instead of VECF_HW, add missing constraint, add vw support.
        (vftci<mode>_intcconly): Use VF_HW instead of VECF_HW.
        (*vftci<mode>): Rename to vftci<mode>, use VF_HW instead of
        VECF_HW, and vw support.
        (vftci<mode>_intcc): Use VF_HW instead of VECF_HW.

2020-11-10  Eric Botcazou  <ebotcazou@adacore.com>

        * range-op.cc (operator_logical_not::fold_range): Tidy up.
        (operator_logical_not::op1_range): Call above method.
        (operator_bitwise_not::fold_range): If the type is compatible
        with boolean, call op_logical_not.fold_range.
        (operator_bitwise_not::op1_range): If the type is compatible
        with boolean, call op_logical_not.op1_range.

2020-11-10  Richard Biener  <rguenther@suse.de>

        * tree-ssa-pre.c (pre_expr_d::value_id): Add.
        (constant_value_expressions): Turn into an array of pre_expr.
        (get_or_alloc_expr_for_nary): New function.
        (get_or_alloc_expr_for_reference): Likewise.
        (add_to_value): For constant values only ever add a single
        CONSTANT.
        (get_expr_value_id): Return the new value_id member.
        (vn_valnum_from_value_id): Split out and simplify constant
        value id handling.
        (get_or_alloc_expr_for_constant): Set the value_id member.
        (phi_translate_1): Use get_or_alloc_expr_for_*.
        (compute_avail): Likewise.
        (bitmap_find_leader): Simplify constant value id handling.

2020-11-10  Alex Coplan  <alex.coplan@arm.com>

        * doc/md.texi (Modifiers): Fix grammar in description of
        earlyclobber constraint modifier.

2020-11-10  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/97764
        * tree-ssa-sccvn.c (vn_walk_cb_data::push_partial_def): For
        little-endian stores with negative pd.offset, subtract
        BITS_PER_UNIT - amnt from size if amnt is non-zero.

2020-11-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97760
        * tree-vect-loop.c (check_reduction_path): Reject
        reduction paths we do not handle in epilogue generation.

2020-11-10  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/97767
        * value-range.cc (dump_bound_with_infinite_markers): Use
        wi::min_value and wi::max_value.
        (range_tests_strict_enum): New.
        (range_tests): Call range_tests_strict_enum.
        * value-range.h (irange::varying_p): Use wi::min_value
        and wi::max_value.
        (irange::set_varying): Same.
        (irange::normalize_min_max): Remove comment.

2020-11-10  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/97567
        * gimple-range-gori.cc: (gori_compute::logical_combine): False
        OR operations should intersect the 2 results.
        (gori_compute::compute_logical_operands_in_chain): If def chains
        are outside the current basic block, don't follow them.

2020-11-09  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_split_move): Recognize vadd2 instructions.
        * config/arc/arc.md (movdi_insn): Update pattern to use vadd2
        instructions.
        (movdf_insn): Likewise.
        (maddhisi4): New pattern.
        (umaddhisi4): Likewise.
        * config/arc/simdext.md (mov<mode>_int): Update pattern to use
        vadd2.
        (sdot_prodv4hi): New pattern.
        (udot_prodv4hi): Likewise.
        (arc_vec_<V_US>mac_hi_v4hi): Update/renamed to
        arc_vec_<V_US>mac_v2hiv2si.
        (arc_vec_<V_US>mac_v2hiv2si_zero): New pattern.
        * config/arc/constraints.md (Ral): Accumulator register
        constraint.

2020-11-09  Aldy Hernandez  <aldyh@redhat.com>

        * function-tests.c (test_ranges): Call range_op_tests.
        * range-op.cc (build_range3): Move to value-range.cc.
        (range3_tests): Same.
        (int_range_max_tests): Same.
        (multi_precision_range_tests): Same.
        (range_tests): Same.
        (operator_tests): Split up...
        (range_op_tests): Split up...
        (range_op_cast_tests): ...here.
        (range_op_lshift_tests): ...here.
        (range_op_rshift_tests): ...here.
        (range_op_bitwise_and_tests): ...here.
        * selftest.h (range_op_tests): New.
        * value-range.cc (build_range3): New.
        (range_tests_irange3): New.
        (range_tests_int_range_max): New.
        (range_tests_legacy): New.
        (range_tests_misc): New.
        (range_tests): New.

2020-11-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97761
        * tree-vect-slp.c (vect_bb_slp_mark_live_stmts): Remove
        premature end of DFS walk.

2020-11-09  Aldy Hernandez  <aldyh@redhat.com>

        * value-range.cc (irange::swap_out_of_order_endpoints): Rewrite
        into static function.
        (irange::set): Cleanup redundant manipulations.
        * value-range.h (irange::normalize_min_max): Modify object
        in-place instead of modifying arguments.

2020-11-09  Andrea Corallo  <andrea.corallo@arm.com>

        * config/aarch64/aarch64-builtins.c
        (aarch64_expand_fcmla_builtin): Do not alter force_reg returned
        register.

2020-11-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97753
        * tree-vect-loop.c (vectorizable_induction): Fill vec_steps
        when CSEing inside the group.

2020-11-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97746
        * tree-vect-patterns.c (vect_determine_precisions): First walk PHIs.

2020-11-09  Richard Biener  <rguenther@suse.de>

        * tree-ssa-pre.c (get_representative_for): CSE VN_INFO calls.
        (create_expression_by_pieces): Likewise.
        (insert_into_preds_of_block): Likewsie.
        (do_pre_regular_insertion): Likewsie.
        * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_insert):
        Likewise.
        (eliminate_dom_walker::eliminate_stmt): Likewise.

2020-11-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97765
        * tree-ssa-pre.c (bb_bitmap_sets::phi_translate_table): Add.
        (PHI_TRANS_TABLE): New macro.
        (phi_translate_table): Remove.
        (expr_pred_trans_d::pred): Remove.
        (expr_pred_trans_d::hash): Simplify.
        (expr_pred_trans_d::equal): Likewise.
        (phi_trans_add): Adjust.
        (phi_translate): Likewise.  Remove hash-table expansion
        detection and optimization.
        (phi_translate_set): Allocate PHI_TRANS_TABLE here.
        (init_pre): Adjsust.
        (fini_pre): Free PHI_TRANS_TABLE.

2020-11-09  Lili Cui  <lili.cui@intel.com>

        PR target/97685
        * config/i386/i386.h:
        (PTA_BROADWELL): Delete PTA_PRFCHW.
        (PTA_SILVERMONT): Add PTA_PRFCHW.
        (PTA_KNL): Add PTA_PREFETCHWT1.
        (PTA_TREMONT): Add PTA_MOVDIRI, PTA_MOVDIR64B, PTA_CLDEMOTE and PTA_WAITPKG.
        * doc/invoke.texi: Delete PREFETCHW for broadwell, skylake, knl, knm,
        skylake-avx512, cannonlake, icelake-client, icelake-server, cascadelake,
        cooperlake, tigerlake and sapphirerapids.
        Add PREFETCHW for silvermont, goldmont, goldmont-plus and tremont.
        Add XSAVEC and XSAVES for goldmont, goldmont-plus and tremont.
        Add MOVDIRI, MOVDIR64B, CLDEMOTE and WAITPKG for tremont.
        Add KEYLOCKER and HREST for alderlake.
        Add AMX-BF16, AMX-TILE, AMX-INT8 and UINTR for sapphirerapids.
        Add KEYLOCKER for tigerlake.

2020-11-09  Kewen Lin  <linkw@linux.ibm.com>

        PR rtl-optimization/97705
        * ira.c (ira): Refactor some regstat free/init/compute invocation
        into lambda function regstat_recompute_for_max_regno, and call it
        when max_regno increases as remove_scratches succeeds.

2020-11-08  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/rs6000.c (rs6000_mangle_decl_assembler_name): Change
        DECL_IS_BUILTIN -> DECL_IS_UNDECLARED_BUILTIN.

2020-11-07  Martin Uecker  <muecker@gwdg.de>

        * doc/extend.texi: Document mixing labels and code.
        * doc/invoke.texi: Likewise.

2020-11-06  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (@tablejump<mode>_normal): Don't abuse
        operands[].
        (@tablejump<mode>_nospec): Ditto.

2020-11-06  Peter Bergner  <bergner@linux.ibm.com>

        * config/rs6000/rs6000.h (BIGGEST_ALIGNMENT): Revert previous commit
        so as not to break the ABI.
        * config/rs6000/rs6000-call.c (rs6000_init_builtins): Set the ABI
        mandated alignment for __vector_pair and __vector_quad types.

2020-11-06  Jeff Law  <law@torsion.usersys.redhat.com>

        PR target/91489
        * config/i386/i386.md (simple_return): Also check
        for ms_hook_prologue function attribute.
        * config/i386/i386.c (ix86_can_use_return_insn_p):
        Also check for ms_hook_prologue function attribute.
        * config/i386/i386-protos.h (ix86_function_ms_hook_prologue): Declare.

2020-11-06  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/96933
        * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
        TARGET_POWERPC64 instead of TARGET_64BIT.

2020-11-06  Joseph Myers  <joseph@codesourcery.com>

        * builtins.def (BUILT_IN_NANSD32, BUILT_IN_NANSD64)
        (BUILT_IN_NANSD128): New built-in functions.
        * fold-const-call.c (fold_const_call): Handle the new built-in
        functions.
        * doc/extend.texi (__builtin_nansd32, __builtin_nansd64)
        (__builtin_nansd128): Document.
        * doc/sourcebuild.texi (Effective-Target Keywords): Document
        fenv_exceptions_dfp.

2020-11-06  Bin Cheng  <bin.cheng@linux.alibaba.com>

        * tree-ssa-uninit.c (find_var_cmp_const): New function.
        (use_pred_not_overlap_with_undef_path_pred): Call above.

2020-11-06  Iain Sandoe  <iain@sandoe.co.uk>

        * config/darwin-c.c: Allow for Darwin20 to correspond to macOS 11.
        * config/darwin-driver.c: Likewise.

2020-11-06  Richard Biener  <rguenther@suse.de>

        * tree-ssa-pre.c (expr_pred_trans_d): Modify so elements
        are embedded rather than allocated.  Remove hashval member,
        make all members integers.
        (phi_trans_add): Adjust accordingly.
        (phi_translate): Likewise.  Deal with re-allocation
        of the table.

2020-11-06  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/97737
        PR tree-optimization/97741
        * gimple-range.cc: (gimple_ranger::range_of_stmt): Intersect newly
        calculated ranges with the existing known global range.

2020-11-06  Darius Galis  <darius.galis@cyberthorstudios.com>

        * config/rx/rx.md (CTRLREG_PC): Add.
        * config/rx/rx.c (CTRLREG_PC): Add
        (rx_expand_builtin_mvtc): Add warning: PC register cannot
        be used as dest.

2020-11-06  Nathan Sidwell  <nathan@acm.org>

        * tree.h (DECL_IS_BUILTIN): Rename to ...
        (DECL_IS_UNDECLARED_BUILTIN): ... here.  No need to use SOURCE_LOCUS.
        * calls.c (maybe_warn_alloc_args_overflow): Adjust for rename.
        * cfgexpand.c (pass_expand::execute): Likewise.
        * dwarf2out.c (base_type_die, is_naming_typedef_decl): Likewise.
        * godump.c (go_decl, go_type_decl): Likewise.
        * print-tree.c (print_decl_identifier): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Likewise.
        * xcoffout.c (xcoff_assign_fundamental_type_number): Likewise.

2020-11-06  David Candler  <david.candler@arm.com>

        * config/aarch64/aarch64-builtins.c
        (TYPES_SHIFT2IMM): Add define.
        (TYPES_SHIFT2IMM_UUSS): Add define.
        (TYPES_USHIFT2IMM): Add define.
        * config/aarch64/aarch64-simd.md
        (aarch64_<sur>q<r>shr<u>n2_n<mode>): Add new insn for upper saturating shift right.
        * config/aarch64/aarch64-simd-builtins.def: Add intrinsics.
        * config/aarch64/arm_neon.h:
        (vqrshrn_high_n_s16): Expand using intrinsic rather than inline asm.
        (vqrshrn_high_n_s32): Likewise.
        (vqrshrn_high_n_s64): Likewise.
        (vqrshrn_high_n_u16): Likewise.
        (vqrshrn_high_n_u32): Likewise.
        (vqrshrn_high_n_u64): Likewise.
        (vqrshrun_high_n_s16): Likewise.
        (vqrshrun_high_n_s32): Likewise.
        (vqrshrun_high_n_s64): Likewise.
        (vqshrn_high_n_s16): Likewise.
        (vqshrn_high_n_s32): Likewise.
        (vqshrn_high_n_s64): Likewise.
        (vqshrn_high_n_u16): Likewise.
        (vqshrn_high_n_u32): Likewise.
        (vqshrn_high_n_u64): Likewise.
        (vqshrun_high_n_s16): Likewise.
        (vqshrun_high_n_s32): Likewise.
        (vqshrun_high_n_s64): Likewise.

2020-11-06  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-modes.def (VNx2BF, VNx4BF): Adjust nunits
        and alignment based on the current VG.
        * config/aarch64/iterators.md (SVE_ALL, SVE_24, SVE_2, SVE_4): Add
        partial SVE BF modes.
        (UNSPEC_REVBHW): New unspec.
        (Vetype, Vesize, Vctype, VEL, Vel, vwcore, V_INT_CONTAINER)
        (v_int_container, VPRED, vpred): Handle partial SVE BF modes.
        (container_bits, Vcwtype): New mode attributes.
        * config/aarch64/aarch64-sve.md
        (@aarch64_sve_revbhw_<SVE_ALL:mode><PRED_HSD:mode>): New pattern.
        (@aarch64_sve_dup_lane<mode>): Extended from SVE_FULL to SVE_ALL.
        (@aarch64_sve_rev<mode>, @aarch64_sve_<perm_insn><mode>): Likewise.
        (@aarch64_sve_ext<mode>): Likewise.
        * config/aarch64/aarch64.c (aarch64_classify_vector_mode): Handle
        E_VNx2BFmode and E_VNx4BFmode.
        (aarch64_evpc_rev_local): Base the analysis on the container size
        instead of the element size.  Use the new aarch64_sve_revbhw
        patterns for SVE.
        (aarch64_evpc_dup): Handle partial SVE data modes.  Use the
        container size instead of the element size when applying the
        SVE immediate limit.  Fix a previously incorrect bounds check.
        (aarch64_expand_vec_perm_const_1): Handle partial SVE data modes.

2020-11-06  Martin Liska  <mliska@suse.cz>

        * common.opt: Add new -fbit-tests option.
        * doc/invoke.texi: Document the option.
        * tree-switch-conversion.c (bit_test_cluster::find_bit_tests):
        Use the option.
        * tree-switch-conversion.h (is_enabled): New function.

2020-11-06  Richard Biener  <rguenther@suse.de>

        * tree-ssa-sccvn.h (get_max_constant_value_id): Declare.
        (get_next_constant_value_id): Likewise.
        (value_id_constant_p): Inline and simplify.
        * tree-ssa-sccvn.c (constant_value_ids): Remove.
        (next_constant_value_id): Add.
        (get_or_alloc_constant_value_id): Adjust.
        (value_id_constant_p): Remove definition.
        (get_max_constant_value_id): Define.
        (get_next_value_id): Add assert for overflow.
        (get_next_constant_value_id): Define.
        (run_rpo_vn): Adjust.
        (free_rpo_vn): Likewise.
        (do_rpo_vn): Initialize next_constant_value_id.
        * tree-ssa-pre.c (constant_value_expressions): New.
        (add_to_value): Split into constant/non-constant value
        handling.  Avoid exact re-allocation.
        (vn_valnum_from_value_id): Adjust.
        (phi_translate_1): Remove spurious exact re-allocation.
        (bitmap_find_leader): Adjust.  Make sure we return
        a CONSTANT value for a constant value id.
        (do_pre_regular_insertion): Use 2 auto-elements for avail.
        (do_pre_partial_partial_insertion): Likewise.
        (init_pre): Allocate constant_value_expressions.
        (fini_pre): Release constant_value_expressions.

2020-11-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97706
        * tree-vect-patterns.c (possible_vector_mask_operation_p):
        PHIs are possible mask operations.
        (vect_determine_mask_precision): Handle PHIs.
        (vect_determine_precisions): Walk PHIs in BB analysis.

2020-11-06  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_analyze_slp): Pass down the
        SLP graph entry kind.
        (vect_analyze_slp_instance): Simplify.
        (vect_build_slp_instance): Adjust.
        (vect_slp_check_for_constructors): Perform more
        eligibility checks here.

2020-11-06  Jan Hubicka  <jh@suse.cz>

        * ipa-ref.h (enum ipa_ref_use): Remove GTY marker.
        (struct ipa_ref): Remove GTY marker; reorder for better packing.
        (struct ipa_ref_list): Remove GTY marker; turn references
        nad referring to va_heap, vl_ptr vectors; update accesors.
        * cgraph.h (symtab_node::iterate_reference): Update.
        * ipa-ref.c (ipa_ref::remove_reference): Update.
        * symtab.c (symtab_node::create_reference): Update.
        (symtab_node::remove_all_references): Update.
        (symtab_node::resolve_alias): Update.

2020-11-06  Jakub Jelinek  <jakub@redhat.com>

        * ipa-modref-tree.h: Fix comment typos.
        * ipa-modref.c: Likewise.

2020-11-06  Andreas Krebbel  <krebbel@linux.ibm.com>

        * config/s390/s390.c (s390_option_override_internal): Remove
        override of inline params.

2020-11-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97706
        * tree-vect-patterns.c (vect_determine_mask_precision):
        Remove worklist operation.
        (vect_determine_stmt_precisions): Do not call
        vect_determine_mask_precision here.
        (vect_determine_precisions): Compute mask precision
        in a forward walk.

2020-11-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97732
        * tree-vect-loop.c (vectorizable_induction): Convert the
        init elements to the vector component type.
        * gimple-fold.c (gimple_build_vector): Use CONSTANT_CLASS_P
        rather than TREE_CONSTANT to determine if elements are
        eligible for VECTOR_CSTs.

2020-11-06  Jan Hubicka  <jh@suse.cz>

        * attr-fnspec.h (attr_fnspec::get_str): New accessor
        * ipa-fnsummary.c (read_ipa_call_summary): Store also parm info
        for builtins.
        * ipa-modref.c (class fnspec_summary): New type.
        (class fnspec_summaries_t): New type.
        (modref_summary::modref_summary): Initialize writes_errno.
        (struct modref_summary_lto): Add writes_errno.
        (modref_summary_lto::modref_summary_lto): Initialize writes_errno.
        (modref_summary::dump): Check for NULL pointers.
        (modref_summary_lto::dump): Dump writes_errno.
        (collapse_loads): Move up in source file.
        (collapse_stores): New function.
        (process_fnspec): Handle also internal calls.
        (analyze_call): Likewise.
        (analyze_stmt): Store fnspec string if needed.
        (analyze_function): Initialize fnspec_sumarries.
        (modref_summaries_lto::duplicate): Copy writes_errno.
        (modref_write): Store writes_errno and fnspec summaries.
        (read_section): Read writes_errno and fnspec summaries.
        (modref_read): Initialize fnspec summaries.
        (update_signature): Fix formating.
        (compute_parm_map): Return true if sucessful.
        (get_parm_type): New function.
        (get_access_for_fnspec): New function.
        (propagate_unknown_call): New function.
        (modref_propagate_in_scc): Use it.
        (pass_ipa_modref::execute): Delete fnspec_summaries.
        (ipa_modref_c_finalize): Delete fnspec_summaries.
        * ipa-prop.c: Include attr-fnspec.h.
        (ipa_compute_jump_functions_for_bb):  Also compute jump functions
        for functions with fnspecs.
        (ipa_read_edge_info): Read jump functions for builtins.

2020-11-06  Jan Hubicka  <jh@suse.cz>

        * ipa-fnsummary.h (class size_time_entry): Do not GTY annotate.
        (class ipa_fnsummary): Turn size_time_table to auto_vec and
        call_size_time_table to effecient vec; update constructors.
        * ipa-fnsummary.c (ipa_fn_summary::account_size_time): Update.
        (ipa_fn_summary::~ipa_fn_summary): Update.
        (ipa_fn_summary_t::duplicate): Update.
        (ipa_dump_fn_summary): Update.
        (set_switch_stmt_execution_predicate): Update.
        (analyze_function_body): Update.
        (estimate_calls_size_and_time): Update.
        (ipa_call_context::estimate_size_and_time): Update.
        (ipa_merge_fn_summary_after_inlining): Update.
        (ipa_update_overall_fn_summary): Update.
        (inline_read_section): Update.
        (ipa_fn_summary_write): Update.

2020-11-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97733
        * tree-vect-slp.c (vect_analyze_slp_instance): If less
        than two reductions were relevant or live do nothing.

2020-11-06  Jeff Law  <law@redhat.com>

        PR tree-optimization/97223
        * match.pd (overflow detection and optimization): Handle conversions.

2020-11-06  Eugene Rozenfeld  <erozen@microsoft.com>

        * match.pd (x >> x): New pattern.

2020-11-06  Kito Cheng  <kito.cheng@sifive.com>

        * common/config/riscv/riscv-common.c (riscv_implied_info):
        Add static and const.
        (riscv_subset_list::handle_implied_ext): Add const due to
        riscv_implied_info changed to const.

2020-11-06  Kito Cheng  <kito.cheng@sifive.com>

        PR target/96307
        * toplev.c (process_options): Remove param_asan_stack checking for kasan
        option checking.

2020-11-05  Marek Polacek  <polacek@redhat.com>

        PR c++/97675
        * doc/invoke.texi: Document -Wexceptions.

2020-11-05  Marek Polacek  <polacek@redhat.com>

        PR c++/25814
        * doc/invoke.texi: Document -Wvexing-parse.

2020-11-05  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/97725
        * range-op.cc (operator_equal::fold_range): Use new tmp value.
        (operator_not_equal::fold_range): Ditto.
        * value-query.cc (range_query::value_of_expr): Use int_range_max
        not a value_range.
        (range_query::value_on_edge): Ditto.
        (range_query::value_of_stmt): Ditto.

2020-11-05  Olivier Hainque  <hainque@adacore.com>

        * config/aarch64/aarch64-vxworks.h (TARGET_OS_USES_R18):
        Remove definition.
        (STATIC_CHAIN_REGNUM): Redefine to 9.

2020-11-05  Olivier Hainque  <hainque@adacore.com>

        * config/aarch64/aarch64.md: Define PROBE_STACK_FIRST_REGNUM
        and PROBE_STACK_SECOND_REGNUM constants, designating r10/r11.
        Replacements for the PROBE_STACK_FIRST/SECOND_REG constants in
        aarch64.c.
        * config/aarch64/aarch64.c (PROBE_STACK_FIRST_REG): Remove.
        (PROBE_STACK_SECOND_REG): Remove.
        (aarch64_emit_probe_stack_range): Adjust to the _REG -> _REGNUM
        suffix update for PROBE_STACK register numbers.

2020-11-05  Jan Hubicka  <jh@suse.cz>

        * gimple.c (gimple_call_fnspec): Handle C++ new and delete.
        * gimple.h (gimple_call_from_new_or_delete): Constify parameter.

2020-11-05  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/97721
        * gimple-range.cc (get_tree_range): Drop overflow from constants.

2020-11-05  David Malcolm  <dmalcolm@redhat.com>

        * tree-diagnostic-path.cc (struct path_summary::event_range): Move
        out of path_summary to...
        (struct event_range): ...here.
        (class path_summary): Convert to...
        (struct path_summary): ...this.
        (path_summary::m_ranges): Drop "private".
        (path_summary::print): Convert to...
        (print_path_summary_as_text): ...this, passing in the path_summary
        explicitly.
        (default_tree_diagnostic_path_printer): Update for above change.
        (selftest::test_empty_path): Likewise.
        (selftest::test_intraprocedural_path): Likewise.
        (selftest::test_interprocedural_path_1): Likewise.
        (selftest::test_interprocedural_path_2): Likewise.
        (selftest::test_recursion): Likewise.

2020-11-05  qing zhao  <qinzhao@gcc.gnu.org>

        PR target/97715
        * config/i386/i386.c (zero_all_st_registers): Return
        earlier when the FPU is disabled.

2020-11-05  Jan Hubicka  <jh@suse.cz>

        * ipa-modref.c (parm_map_for_arg): Initialize parm_offset and
        parm_offset_knonw.
        (read_section): Set writes_errno to false.

2020-11-05  Richard Biener  <rguenther@suse.de>

        * tree-vect-data-refs.c (vect_slp_analyze_node_dependences):
        Use the original stmts.
        (vect_slp_analyze_node_alignment): Use the pattern stmt.
        * tree-vect-slp.c (vect_fixup_store_groups_with_patterns):
        New function.
        (vect_slp_analyze_bb_1): Call it.

2020-11-05  Tamar Christina  <tamar.christina@arm.com>

        * tree-vect-slp.c (vect_slp_tree_permute_noop_p): New.
        (vect_optimize_slp): Optimize permutes.
        (vectorizable_slp_permutation): Fix typo.

2020-11-05  Richard Biener  <rguenther@suse.de>

        PR debug/97718
        * dwarf2out.c (add_abstract_origin_attribute): Make sure to
        point to the abstract instance.

2020-11-05  Tamar Christina  <tamar.christina@arm.com>

        * tree-vect-loop.c (vect_analyze_loop_2): Check kind.
        * tree-vect-slp.c (vect_build_slp_instance): New.
        (enum slp_instance_kind): Move to...
        * tree-vectorizer.h (enum slp_instance_kind): .. Here
        (SLP_INSTANCE_KIND): New.

2020-11-05  Kewen Lin  <linkw@linux.ibm.com>

        PR target/96933
        * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use direct move
        instructions for vector construction with char/short types.
        * config/rs6000/rs6000.md (p8_mtvsrwz_v16qisi2): New define_insn.
        (p8_mtvsrd_v16qidi2): Likewise.

2020-11-04  Tamar Christina  <tamar.christina@arm.com>

        * tree-vect-slp.c (vect_analyze_slp_instance): Moved load/store lanes
        check to ...
        * tree-vect-loop.c (vect_analyze_loop_2): ..Here

2020-11-04  Ilya Leoshkevich  <iii@linux.ibm.com>

        * config/s390/s390.c (NR_C_MODES): Unhardcode.
        (s390_alloc_pool): Use size_t for iterating from 0 to
        NR_C_MODES.
        (s390_add_constant): Likewise.
        (s390_find_constant): Likewise.
        (s390_dump_pool): Likewise.
        (s390_free_pool): Likewise.

2020-11-04  Ilya Leoshkevich  <iii@linux.ibm.com>

        * config/s390/s390.md (RRe): Remove.
        (RXe): Remove.

2020-11-04  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/97515
        * gimple-range-cache.h (class ranger_cache): New prototypes plus
        temporal cache pointer.
        * gimple-range-cache.cc (struct range_timestamp): New.
        (class temporal_cache): New.
        (temporal_cache::temporal_cache): New.
        (temporal_cache::~temporal_cache): New.
        (temporal_cache::get_timestamp): New.
        (temporal_cache::set_dependency): New.
        (temporal_cache::temporal_value): New.
        (temporal_cache::current_p): New.
        (temporal_cache::set_timestamp): New.
        (temporal_cache::set_always_current): New.
        (ranger_cache::ranger_cache): Allocate the temporal cache.
        (ranger_cache::~ranger_cache): Free temporal cache.
        (ranger_cache::get_non_stale_global_range): New.
        (ranger_cache::set_global_range): Add a timestamp.
        (ranger_cache::register_dependency): New.  Add timestamp dependency.
        * gimple-range.cc (gimple_ranger::range_of_range_op): Add operand
        dependencies.
        (gimple_ranger::range_of_phi): Ditto.
        (gimple_ranger::range_of_stmt): Check if global range is stale, and
        recalculate if so.

2020-11-04  Tobias Burnus  <tobias@codesourcery.com>

        * targhooks.c (default_zero_call_used_regs): Fix flag-name typo
        in sorry.

2020-11-04  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (vectorizable_phi): Adjust prototype.
        * tree-vect-stmts.c (vect_transform_stmt): Adjust.
        (vect_analyze_stmt): Pass cost_vec to vectorizable_phi.
        * tree-vect-loop.c (vectorizable_phi): Do costing.

2020-11-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97709
        * tree-vect-loop.c (vectorizable_live_operation): Set
        SSA_NAME_OCCURS_IN_ABNORMAL_PHI when necessary.

2020-11-04  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/97690
        * tree-ssa-phiopt.c (conditional_replacement): Also optimize
        cond ? pow2p_cst : 0 as ((type) cond) << cst.

2020-11-04  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vectorizable_induction): Re-instantiate
        previously removed CSE of SLP IVs.

2020-11-04  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-options.c (ix86_recompute_optlev_based_flags):
        Fix Intel MCU psABI comment w.r.t DEFAULT_PCC_STRUCT_RETURN.

2020-11-04  Richard Biener  <rguenther@suse.de>

        PR bootstrap/97666
        * tree-vect-slp.c (vect_build_slp_tree_2): Revert previous
        fix and instead adjust the memset.

2020-11-04  Pat Bernardi  <bernardi@adacore.com>

        * config/i386/i386elf.h (SUBTARGET_RETURN_IN_MEMORY): Remove.
        (ASM_OUTPUT_ASCII): Likewise.
        (DEFAULT_PCC_STRUCT_RETURN): Define.
        * config/i386/i386.c (ix86_return_in_memory): Remove
        SUBTARGET_RETURN_IN_MEMORY.

2020-11-04  liuhongt  <hongtao.liu@intel.com>

        PR target/97540
        * ira.c: (ira_setup_alts): Extract memory from operand only
        for special memory constraint.
        * recog.c (asm_operand_ok): Ditto.
        * lra-constraints.c (process_alt_operands): MEM_P is
        required for normal memory constraint.

2020-11-04  liuhongt  <hongtao.liu@intel.com>

        PR target/97532
        * lra-constraints.c (valid_address_p): Handle operand of
        special memory constraint.
        (process_address_1): Ditto.

2020-11-03  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/97695
        * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Fix ICE with
        in dumping code.
        (cgraph_node::remove): Save clone info before releasing it and pass it
        to unregister.
        * cgraph.h (symtab_node::unregister): Add clone_info parameter.
        (cgraph_clone::unregister): Likewise.
        * cgraphclones.c (cgraph_node::find_replacement): Copy clone info
        * symtab-clones.cc (clone_infos_t::duplicate): Remove.
        (clone_info::get_create): Simplify.
        * symtab.c (symtab_node::unregister): Pass around clone info.
        * varpool.c (varpool_node::remove): Update.

2020-11-03  Thomas Schwinge  <thomas@codesourcery.com>

        * omp-low.c (scan_omp_for) <OpenACC>: Use proper location to
        'inform' of enclosing parent compute construct.

2020-11-03  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/97698
        * cgraphclones.c (duplicate_thunk_for_node): Check that info is
        non-NULL.

2020-11-03  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_function_arg_regno_p): Use up to
        SSE_REGPARM_MAX registers to pass function parameters
        for 32bit Mach-O targets.
        * config/i386/i386.h (X86_32_MMX_REGPARM_MAX): New macro.
        (MMX_REGPARM_MAX): Use it.

2020-11-03  Dennis Zhang  <dennis.zhang@arm.com>

        * config/aarch64/aarch64-simd-builtins.def (vget_lo_half): New entry.
        (vget_hi_half): Likewise.
        * config/aarch64/aarch64-simd.md (aarch64_vget_lo_halfv8bf): New entry.
        (aarch64_vget_hi_halfv8bf): Likewise.
        * config/aarch64/arm_neon.h (vget_low_bf16): New intrinsic.
        (vget_high_bf16): Likewise.

2020-11-03  Yang Yang  <yangyang305@huawei.com>

        * cgraph.h (struct cgraph_simd_clone): Change field "simdlen" of
        struct cgraph_simd_clone from unsigned int to poly_uint64.
        * config/aarch64/aarch64.c
        (aarch64_simd_clone_compute_vecsize_and_simdlen): adaptation of
        operations on "simdlen".
        * config/i386/i386.c (ix86_simd_clone_compute_vecsize_and_simdlen):
        Printf formats update.
        * gengtype.c (main): Handle poly_uint64.
        * omp-simd-clone.c (simd_clone_mangle): Likewise.Re
        (simd_clone_adjust_return_type): Likewise.
        (create_tmp_simd_array): Likewise.
        (simd_clone_adjust_argument_types): Likewise.
        (simd_clone_init_simd_arrays): Likewise.
        (ipa_simd_modify_function_body): Likewise.
        (simd_clone_adjust): Likewise.
        (expand_simd_clones): Likewise.
        * poly-int-types.h (vector_unroll_factor): New macro.
        * poly-int.h (constant_multiple_p): Add two-argument versions.
        * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.

2020-11-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97623
        * params.opt (-param=max-pre-hoist-insert-iterations): New.
        * doc/invoke.texi (max-pre-hoist-insert-iterations): Document.
        * tree-ssa-pre.c (insert): Do at most max-pre-hoist-insert-iterations
        hoist insert iterations.

2020-11-03  Richard Biener  <rguenther@suse.de>

        PR middle-end/97579
        * gimple-isel.cc (gimple_expand_vec_cond_expr): Use
        the correct types for the vcond_mask/vec_cmp optab queries.

2020-11-03  Andrew MacLeod  <amacleod@redhat.com>

        * gimple-range-cache.cc (ssa_global_cache::get_global_range): Return
        true if there was a previous range set.
        (ranger_cache::ranger_cache): Take a gimple_ranger parameter.
        (ranger_cache::set_global_range): Propagate the value if updating.
        (ranger_cache::propagate_cache): Renamed from iterative_cache_update.
        (ranger_cache::propagate_updated_value): New.  Split from:
        (ranger_cache::fill_block_cache): Split out value propagator.
        * gimple-range-cache.h (ssa_global_cache): Update prototypes.
        (ranger_cache): Update prototypes.

2020-11-03  Andrew MacLeod  <amacleod@redhat.com>

        * gimple-range-cache.h (block_range_cache): Add new entry point.
        (ranger_cache): Privatize global abnd block cache members.
        * gimple-range-cache.cc (ssa_block_ranges::set_bb_range): Add bounds
        check.
        (ssa_block_ranges::set_bb_varying): Ditto.
        (ssa_block_ranges::get_bb_range): Ditto.
        (ssa_block_ranges::bb_range_p): Ditto.
        (block_range_cache::get_block_ranges): Fix formatting.
        (block_range_cache::query_block_ranges): New.
        (block_range_cache::get_bb_range): Use Query_block_ranges.
        (block_range_cache::bb_range_p): Ditto.
        (ranger_cache::dump): New.
        (ranger_cache::get_global_range): New.
        (ranger_cache::set_global_range): New.
        * gimple-range.cc (gimple_ranger::range_of_expr): Use new API.
        (gimple_ranger::range_of_stmt): Ditto.
        (gimple_ranger::export_global_ranges): Ditto.
        (gimple_ranger::dump): Ditto.

2020-11-03  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * fold-const.c (getbyterep): Remove duplicated statement.

2020-11-03  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR target/97205
        * cfgexpand.c (align_local_variable): Make SSA_NAMEs
        at least MODE_ALIGNED.
        (expand_one_stack_var_at): Increase MEM_ALIGN for SSA_NAMEs.

2020-11-03  Zhiheng Xie  <xiezhiheng@huawei.com>
            Nannan Zheng  <zhengnannan@huawei.com>

        * config/aarch64/aarch64-simd-builtins.def: Add proper FLAG
        for AES/SHA/SM3/SM4 intrinsics.

2020-11-03  Zhiheng Xie  <xiezhiheng@huawei.com>
            Nannan Zheng  <zhengnannan@huawei.com>

        * config/aarch64/aarch64-simd-builtins.def: Add proper FLAG
        for compare intrinsics.

2020-11-03  Richard Biener  <rguenther@suse.de>

        * dwarf2out.c (maybe_create_die_with_external_ref): Remove
        hashtable entry.

2020-11-03  Andrea Corallo  <andrea.corallo@arm.com>

        * config/arm/arm_neon.h (vst2_lane_bf16, vst2q_lane_bf16)
        (vst3_lane_bf16, vst3q_lane_bf16, vst4_lane_bf16)
        (vst4q_lane_bf16): New intrinsics.
        * config/arm/arm_neon_builtins.def: Touch it for:
        __builtin_neon_vst2_lanev4bf, __builtin_neon_vst2_lanev8bf,
        __builtin_neon_vst3_lanev4bf, __builtin_neon_vst3_lanev8bf,
        __builtin_neon_vst4_lanev4bf,__builtin_neon_vst4_lanev8bf.

2020-11-03  Andrea Corallo  <andrea.corallo@arm.com>

        * config/arm/arm_neon.h (vld2_lane_bf16, vld2q_lane_bf16)
        (vld3_lane_bf16, vld3q_lane_bf16, vld4_lane_bf16)
        (vld4q_lane_bf16): Add intrinsics.
        * config/arm/arm_neon_builtins.def: Touch for:
        __builtin_neon_vld2_lanev4bf, __builtin_neon_vld2_lanev8bf,
        __builtin_neon_vld3_lanev4bf, __builtin_neon_vld3_lanev8bf,
        __builtin_neon_vld4_lanev4bf, __builtin_neon_vld4_lanev8bf.
        * config/arm/iterators.md (VQ_HS): Add V8BF to the iterator.

2020-11-03  Andrea Corallo  <andrea.corallo@arm.com>

        * config/arm/arm_neon.h (vst1_bf16, vst1q_bf16): Add intrinsics.
        * config/arm/arm_neon_builtins.def : Touch for:
        __builtin_neon_vst1v4bf, __builtin_neon_vst1v8bf.

2020-11-03  Andrea Corallo  <andrea.corallo@arm.com>

        * config/arm/arm-builtins.c (VAR14): Define macro.
        * config/arm/arm_neon_builtins.def: Touch for:
        __builtin_neon_vld1v4bf, __builtin_neon_vld1v8bf.
        * config/arm/arm_neon.h (vld1_bf16, vld1q_bf16): Add intrinsics.

2020-11-03  Andrea Corallo  <andrea.corallo@arm.com>

        * config/arm/arm_neon.h (vst1_lane_bf16, vst1q_lane_bf16): Add
        intrinsics.
        * config/arm/arm_neon_builtins.def (STORE1LANE): Add v4bf, v8bf.

2020-11-03  Andrea Corallo  <andrea.corallo@arm.com>

        * config/arm/arm_neon_builtins.def: Add to LOAD1LANE v4bf, v8bf.
        * config/arm/arm_neon.h (vld1_lane_bf16, vld1q_lane_bf16): Add
        intrinsics.

2020-11-03  Richard Biener  <rguenther@suse.de>

        PR bootstrap/97666
        * tree-vect-slp.c (vect_build_slp_tree_2): Scale
        allocation of skip_args by sizeof (bool).

2020-11-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/80928
        * tree-vect-loop.c (vectorizable_induction): SLP vectorize
        nested inductions.

2020-11-03  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/97578
        * ipa-inline-transform.c (maybe_materialize_called_clones): New
        function.
        (inline_transform): Use it.

2020-11-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97678
        * tree-vect-slp.c (vect_build_slp_tree_2): Do not track
        the initial values of inductions when not nested.
        * tree-vect-loop.c (vectorizable_induction): Look at
        PHI node initial values again for SLP and not nested
        inductions.  Handle LOOP_VINFO_MASK_SKIP_NITERS and cost
        invariants.

2020-11-03  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (aes<aeswideklvariant>u8):
        Do not use xmm_regs array.  Fix whitespace.

2020-11-03  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-expand.c (ix86_expand_builtin): Fix comment.

2020-11-03  Thomas Schwinge  <thomas@codesourcery.com>

        * omp-low.c (scan_omp_for) <OpenACC>: Move earlier inconsistent
        nested 'reduction' clauses checking.

2020-11-03  Thomas Schwinge  <thomas@codesourcery.com>

        * omp-low.c (scan_omp_for) <OpenACC>: More precise diagnostics for
        'gang', 'worker', 'vector' clauses with arguments only allowed in
        'kernels' regions.

2020-11-03  Kewen Lin  <linkw@gcc.gnu.org>

        PR tree-optimization/96789
        * function.h (struct function): New member unsigned pending_TODOs.
        * passes.c (class pass_pre_slp_scalar_cleanup): New class.
        (make_pass_pre_slp_scalar_cleanup): New function.
        (pass_data_pre_slp_scalar_cleanup): New pass data.
        * passes.def: (pass_pre_slp_scalar_cleanup): New pass, add
        pass_fre and pass_dse as its children.
        * timevar.def (TV_SCALAR_CLEANUP): New timevar.
        * tree-pass.h (PENDING_TODO_force_next_scalar_cleanup): New
        pending TODO flag.
        (make_pass_pre_slp_scalar_cleanup): New declare.
        * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely_1):
        Once any outermost loop gets unrolled, flag cfun pending_TODOs
        PENDING_TODO_force_next_scalar_cleanup on.

2020-11-02  Alan Modra  <amodra@gmail.com>

        PR middle-end/97267
        * calls.h (maybe_complain_about_tail_call): Declare.
        * calls.c (maybe_complain_about_tail_call): Make global.
        (can_implement_as_sibling_call_p): Delete reg_parm_stack_space
        param.  Adjust caller.  Move REG_PARM_STACK_SPACE check to..
        * config/i386/i386.c (ix86_function_ok_for_sibcall): ..here.

2020-11-02  Vladimir N. Makarov  <vmakarov@redhat.com>

        * ira.c (ira_remove_scratches): Rename to remove_scratches.  Make
        it static and returning flag of any change.
        (ira.c): Call ira_expand_reg_equiv in case of removing scratches.

2020-11-02  H.J. Lu  <hjl.tools@gmail.com>

        PR target/97140
        * config/i386/i386-expand.c (ix86_expand_builtin): Require MMX
        for __builtin_ia32_maskmovq.

2020-11-02  Martin Sebor  <msebor@redhat.com>

        * doc/invoke.texi (-Wstringop-overflow): Correct default setting.
        (-Wstringop-overread): Move past -Wstringop-overflow.

2020-11-02  François-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR bootstrap/57076
        * Makefile.in (gcc-vers.texi): Quote @, { and }.

2020-11-02  Carl Love  <cel@us.ibm.com>

        PR target/93449
        * config/rs6000/altivec.h (__builtin_bcdadd, __builtin_bcdadd_lt,
        __builtin_bcdadd_eq, __builtin_bcdadd_gt, __builtin_bcdadd_ofl,
        __builtin_bcdadd_ov, __builtin_bcdsub, __builtin_bcdsub_lt,
        __builtin_bcdsub_eq, __builtin_bcdsub_gt, __builtin_bcdsub_ofl,
        __builtin_bcdsub_ov, __builtin_bcdinvalid, __builtin_bcdmul10,
        __builtin_bcddiv10, __builtin_bcd2dfp, __builtin_bcdcmpeq,
        __builtin_bcdcmpgt, __builtin_bcdcmplt, __builtin_bcdcmpge,
        __builtin_bcdcmple): Add defines.
        * config/rs6000/altivec.md: Add UNSPEC_BCDSHIFT.
        (BCD_TEST): Add le, ge to code iterator.
        Add VBCD mode iterator.
        (bcd<bcd_add_sub>_test, *bcd<bcd_add_sub>_test2,
        bcd<bcd_add_sub>_<code>, bcd<bcd_add_sub>_<code>): Add mode to name.
        Change iterator from V1TI to VBCD.
        (*bcdinvalid_<mode>, bcdshift_v16qi): New define_insn.
        (bcdinvalid_<mode>, bcdmul10_v16qi, bcddiv10_v16qi): New define.
        * config/rs6000/dfp.md (dfp_denbcd_v16qi_inst): New define_insn.
        (dfp_denbcd_v16qi): New define_expand.
        * config/rs6000/rs6000-builtin.def (BU_P8V_MISC_1): New define.
        (BCDADD): Replaced with BCDADD_V1TI and BCDADD_V16QI.
        (BCDADD_LT): Replaced with BCDADD_LT_V1TI and BCDADD_LT_V16QI.
        (BCDADD_EQ): Replaced with BCDADD_EQ_V1TI and BCDADD_EQ_V16QI.
        (BCDADD_GT): Replaced with BCDADD_GT_V1TI and BCDADD_GT_V16QI.
        (BCDADD_OV): Replaced with BCDADD_OV_V1TI and BCDADD_OV_V16QI.
        (BCDSUB_V1TI, BCDSUB_V16QI, BCDSUB_LT_V1TI, BCDSUB_LT_V16QI,
        BCDSUB_LE_V1TI, BCDSUB_LE_V16QI, BCDSUB_EQ_V1TI, BCDSUB_EQ_V16QI,
        BCDSUB_GT_V1TI, BCDSUB_GT_V16QI, BCDSUB_GE_V1TI, BCDSUB_GE_V16QI,
        BCDSUB_OV_V1TI, BCDSUB_OV_V16QI, BCDINVALID_V1TI, BCDINVALID_V16QI,
        BCDMUL10_V16QI, BCDDIV10_V16QI, DENBCD_V16QI): New builtin definitions.
        (BCDADD, BCDADD_LT, BCDADD_EQ, BCDADD_GT, BCDADD_OV, BCDSUB, BCDSUB_LT,
        BCDSUB_LE, BCDSUB_EQ, BCDSUB_GT, BCDSUB_GE, BCDSUB_OV, BCDINVALID,
        BCDMUL10, BCDDIV10, DENBCD): New overload definitions.
        * config/rs6000/rs6000-call.c (P8V_BUILTIN_VEC_BCDADD, P8V_BUILTIN_VEC_BCDADD_LT,
        P8V_BUILTIN_VEC_BCDADD_EQ, P8V_BUILTIN_VEC_BCDADD_GT, P8V_BUILTIN_VEC_BCDADD_OV,
        P8V_BUILTIN_VEC_BCDINVALID, P9V_BUILTIN_VEC_BCDMUL10, P8V_BUILTIN_VEC_DENBCD.
        P8V_BUILTIN_VEC_BCDSUB, P8V_BUILTIN_VEC_BCDSUB_LT, P8V_BUILTIN_VEC_BCDSUB_LE,
        P8V_BUILTIN_VEC_BCDSUB_EQ, P8V_BUILTIN_VEC_BCDSUB_GT, P8V_BUILTIN_VEC_BCDSUB_GE,
        P8V_BUILTIN_VEC_BCDSUB_OV): New overloaded specifications.
        (CODE_FOR_bcdadd): Replaced with CODE_FOR_bcdadd_v16qi and CODE_FOR_bcdadd_v1ti.
        (CODE_FOR_bcdadd_lt): Replaced with CODE_FOR_bcdadd_lt_v16qi and CODE_FOR_bcdadd_lt_v1ti.
        (CODE_FOR_bcdadd_eq): Replaced with CODE_FOR_bcdadd_eq_v16qi and CODE_FOR_bcdadd_eq_v1ti.
        (CODE_FOR_bcdadd_gt): Replaced with CODE_FOR_bcdadd_gt_v16qi and CODE_FOR_bcdadd_gt_v1ti.
        (CODE_FOR_bcdsub): Replaced with CODE_FOR_bcdsub_v16qi and CODE_FOR_bcdsub_v1ti.
        (CODE_FOR_bcdsub_lt): Replaced with CODE_FOR_bcdsub_lt_v16qi and CODE_FOR_bcdsub_lt_v1ti.
        (CODE_FOR_bcdsub_eq): Replaced with CODE_FOR_bcdsub_eq_v16qi and CODE_FOR_bcdsub_eq_v1ti.
        (CODE_FOR_bcdsub_gt): Replaced with CODE_FOR_bcdsub_gt_v16qi and CODE_FOR_bcdsub_gt_v1ti.
        (rs6000_expand_ternop_builtin):  Add CODE_FOR_dfp_denbcd_v16qi to else if.
        * doc/extend.texi: Add documentation for new builtins.

2020-11-02  Nathan Sidwell  <nathan@acm.org>

        * tree.c (cache_integer_cst): Fixup pointer caching to match
        wide_int_to_type_1's expectations.  Add comment.

2020-11-02  Nathan Sidwell  <nathan@acm.org>

        * tree.h (id_equal): Call the symetric predicate with swapped
        arguments.

2020-11-02  Nathan Sidwell  <nathan@acm.org>

        * print-tree.c (print_node): Display all the operands of a call
        expr.

2020-11-02  Vladimir N. Makarov  <vmakarov@redhat.com>

        * config/rs6000/vsx.md (*vsx_extract_<mode>_store_p9): Add hint *
        to 2nd alternative of the 1st scratch.

2020-11-02  Sudakshina Das  <sudi.das@arm.com>

        PR target/97638
        * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Update
        return value on INSN_P check.

2020-11-02  Richard Biener  <rguenther@suse.de>

        * tree.h (build_real_from_wide): Declare.
        * tree.c (build_real_from_wide): New function.
        * tree-vect-slp.c (vect_build_slp_tree_2): Remove
        restriction on induction vectorization, represent
        the initial value.
        * tree-vect-loop.c (vect_model_induction_cost): Inline ...
        (vectorizable_induction): ... here.  Rewrite SLP
        code generation.

2020-11-02  Martin Jambor  <mjambor@suse.cz>

        * dbgcnt.def (ipa_cp_values): New counter.
        (ipa_cp_vr): Likewise.
        * ipa-cp.c (decide_about_value): Check and bump ipa_cp_values debug
        counter.
        (decide_whether_version_node): Likewise.
        (ipcp_store_vr_results):Check and bump ipa_cp_vr debug counter.

2020-11-02  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/arm/arm.c (arm_thumb1_mi_thunk): Build mi_delta in r3 and
        do not emit function address and delta when -mpure-code is used.

2020-11-02  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/arm/thumb1.md (thumb1_movsi_insn): Call
        thumb1_gen_const_int_print.
        * config/arm/arm-protos.h (thumb1_gen_const_int_print): Add
        prototype.
        * config/arm/arm.c (thumb1_gen_const_int_print): New.

2020-11-02  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/arm/arm.c (thumb1_const_rtl, thumb1_const_print): New
        classes.
        (thumb1_gen_const_int): Rename to ...
        (thumb1_gen_const_int_1): ... New helper function. Add capability
        to emit either RTL or asm, improve generated code.
        (thumb1_gen_const_int_rtl): New function.
        * config/arm/arm-protos.h (thumb1_gen_const_int): Rename to
        thumb1_gen_const_int_rtl.
        * config/arm/thumb1.md: Call thumb1_gen_const_int_rtl instead
        of thumb1_gen_const_int.

2020-11-02  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97558
        * tree-vect-loop.c (vectorizable_reduction): For nested SLP
        cycles compute invariant operands vector type.

2020-11-02  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97558
        * tree-vect-loop.c (vect_fixup_scalar_cycles_with_patterns):
        Check for any mismatch in pattern vs. non-pattern and dissolve
        the group if there is one.
        * tree-vect-slp.c (vect_analyze_slp_instance): Avoid
        analyzing not relevant reductions.
        (vect_analyze_slp): Avoid analyzing not relevant reduction
        groups.

2020-11-02  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97650
        * tree-vect-slp.c (vect_get_and_check_slp_defs): Check
        for SSA_NAME before checking SSA_NAME_IS_DEFAULT_DEF.

2020-11-02  Kito Cheng  <kito.cheng@sifive.com>

        * common/config/riscv/riscv-common.c
        (riscv_subset_list::parse_multiletter_ext): Checking multiletter
        extension has more than 1 letter.

2020-11-02  Kito Cheng  <kito.cheng@sifive.com>

        * config.gcc (riscv*-*-*): Handle --with-multilib-generator.
        * configure: Regen.
        * configure.ac: Add --with-multilib-generator.
        * config/riscv/multilib-generator: Exit when parsing arch string error.
        * config/riscv/t-withmultilib-generator: New.
        * doc/install.texi: Document --with-multilib-generator.

2020-11-02  Christophe Lyon  <christophe.lyon@linaro.org>

        PR target/96770
        * config/arm/arm.c (thumb_legitimate_constant_p): Accept
        (symbol_ref + addend) when literal pool is disabled.
        (arm_valid_symbolic_address_p): Add support for thumb-1 without
        MOVT/MOVW.
        * config/arm/thumb1.md (*thumb1_movsi_insn): Accept (symbol_ref +
        addend) in the pure-code alternative.

2020-11-02  Christophe Lyon  <christophe.lyon@linaro.org>

        PR target/96967
        * config/arm/arm.c (thumb_legitimate_constant_p): Add support for
        disabled literal pool in thumb-1.
        * config/arm/thumb1.md (thumb1_movsi_symbol_ref): Remove.
        (*thumb1_movsi_insn): Add support for SYMBOL_REF with -mpure-code.

2020-11-01  Iain Sandoe  <iain@sandoe.co.uk>

        * config/host-darwin.c: Align pch_address_space to 16384.

2020-11-01  Pat Bernardi  <bernardi@adacore.com>

        * config/i386/i386.c (ix86_expand_prologue): Set the stack usage to 0
        for naked functions.

2020-11-01  Iain Buclaw  <ibuclaw@gdcproject.org>

        PR ipa/97660
        * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Don't call
        clone_info::get when cgraph_node::get returns NULL.

2020-10-31  Jan Hubicka  <jh@suse.cz>

        * Makefile.in: (OBJS): Add symtab-clones.o
        (GTFILES): Add symtab-clones.h
        * cgraph.c: Include symtab-clones.h.
        (cgraph_edge::resolve_speculation): Fix formating
        (cgraph_edge::redirect_call_stmt_to_callee): Update.
        (cgraph_update_edges_for_call_stmt): Update
        (release_function_body): Fix formating.
        (cgraph_node::remove): Fix formating.
        (cgraph_node::dump): Fix formating.
        (cgraph_node::get_availability): Fix formating.
        (cgraph_node::call_for_symbol_thunks_and_aliases): Fix formating.
        (set_const_flag_1): Fix formating.
        (set_pure_flag_1): Fix formating.
        (cgraph_node::can_remove_if_no_direct_calls_p): Fix formating.
        (collect_callers_of_node_1): Fix formating.
        (clone_of_p): Update.
        (cgraph_node::verify_node): Update.
        (cgraph_c_finalize): Call clone_info::release ().
        * cgraph.h (struct cgraph_clone_info): Move to symtab-clones.h.
        (cgraph_node): Remove clone_info.
        (symbol_table): Add m_clones.
        * cgraphclones.c: Include symtab-clone.h.
        (duplicate_thunk_for_node): Update.
        (cgraph_node::create_clone): Update.
        (cgraph_node::create_virtual_clone): Update.
        (cgraph_node::find_replacement): Update.
        (cgraph_node::materialize_clone): Update.
        * gengtype.c (open_base_files): Include symtab-clones.h.
        * ipa-cp.c: Include symtab-clones.h.
        (initialize_node_lattices): Update.
        (want_remove_some_param_p): Update.
        (create_specialized_node): Update.
        * ipa-fnsummary.c: Include symtab-clones.h.
        (ipa_fn_summary_t::duplicate): Update.
        * ipa-modref.c: Include symtab-clones.h.
        (update_signature): Update.
        * ipa-param-manipulation.c: Include symtab-clones.h.
        (ipa_param_body_adjustments::common_initialization): Update.
        * ipa-prop.c: Include symtab-clones.h.
        (adjust_agg_replacement_values): Update.
        (ipcp_get_parm_bits): Update.
        (ipcp_update_bits): Update.
        (ipcp_update_vr): Update.
        * ipa-sra.c: Include symtab-clones.h.
        (process_isra_node_results): Update.
        (disable_unavailable_parameters): Update.
        * lto-cgraph.c: Include symtab-clone.h.
        (output_cgraph_opt_summary_p): Update.
        (output_node_opt_summary): Update.
        (input_node_opt_summary): Update.
        * symtab-clones.cc: New file.
        * symtab-clones.h: New file.
        * tree-inline.c (expand_call_inline): Update.
        (update_clone_info): Update.
        (tree_function_versioning): Update.

2020-10-31  Jan Hubicka  <jh@suse.cz>

        * ipa-modref.c (modref_summary::dump): Dump writes_errno.
        (parm_map_for_arg): Break out from ...
        (merge_call_side_effects): ... here.
        (get_access_for_fnspec): New function.
        (process_fnspec): New function.
        (analyze_call): Use it.
        (analyze_stmt): Update.
        (analyze_function): Initialize writes_errno.
        (modref_summaries::duplicate): Duplicate writes_errno.
        * ipa-modref.h (struct modref_summary): Add writes_errno.
        * tree-ssa-alias.c (call_may_clobber_ref_p_1): Check errno.

2020-10-30  Michael Meissner  <meissner@linux.ibm.com>

        * config/rs6000/rs6000.c (glibc_supports_ieee_128bit): New helper
        function.
        (rs6000_option_override_internal): Call it.

2020-10-30  Qing Zhao  <qing.zhao@oracle.com>
            H.J.Lu  <hjl.tools@gmail.com>

        * common.opt: Add new option -fzero-call-used-regs
        * config/i386/i386.c (zero_call_used_regno_p): New function.
        (zero_call_used_regno_mode): Likewise.
        (zero_all_vector_registers): Likewise.
        (zero_all_st_registers): Likewise.
        (zero_all_mm_registers): Likewise.
        (ix86_zero_call_used_regs): Likewise.
        (TARGET_ZERO_CALL_USED_REGS): Define.
        * df-scan.c (df_epilogue_uses_p): New function.
        (df_get_exit_block_use_set): Replace EPILOGUE_USES with
        df_epilogue_uses_p.
        * df.h (df_epilogue_uses_p): Declare.
        * doc/extend.texi: Document the new zero_call_used_regs attribute.
        * doc/invoke.texi: Document the new -fzero-call-used-regs option.
        * doc/tm.texi: Regenerate.
        * doc/tm.texi.in (TARGET_ZERO_CALL_USED_REGS): New hook.
        * emit-rtl.h (struct rtl_data): New field must_be_zero_on_return.
        * flag-types.h (namespace zero_regs_flags): New namespace.
        * function.c (gen_call_used_regs_seq): New function.
        (class pass_zero_call_used_regs): New class.
        (pass_zero_call_used_regs::execute): New function.
        (make_pass_zero_call_used_regs): New function.
        * optabs.c (expand_asm_reg_clobber_mem_blockage): New function.
        * optabs.h (expand_asm_reg_clobber_mem_blockage): Declare.
        * opts.c (zero_call_used_regs_opts): New structure array
        initialization.
        (parse_zero_call_used_regs_options): New function.
        (common_handle_option): Handle -fzero-call-used-regs.
        * opts.h (zero_call_used_regs_opts): New structure array.
        * passes.def: Add new pass pass_zero_call_used_regs.
        * recog.c (valid_insn_p): New function.
        * recog.h (valid_insn_p): Declare.
        * resource.c (init_resource_info): Replace EPILOGUE_USES with
        df_epilogue_uses_p.
        * target.def (zero_call_used_regs): New hook.
        * targhooks.c (default_zero_call_used_regs): New function.
        * targhooks.h (default_zero_call_used_regs): Declare.
        * tree-pass.h (make_pass_zero_call_used_regs): Declare.

2020-10-30  Vladimir N. Makarov  <vmakarov@redhat.com>

        * lra.c (get_scratch_reg): New function.
        (remove_scratches_1): Rename remove_insn_scratches.  Use
        ira_remove_insn_scratches and get_scratch_reg.
        (remove_scratches): Do not
        initialize scratches, scratch_bitmap, and scratch_operand_bitmap.
        (lra): Call ira_restore_scratches instead of restore_scratches.
        (struct sloc, sloc_t, scratches, scratch_bitmap)
        (scratch_operand_bitmap, lra_former_scratch_p)
        (lra_former_scratch_operand_p, lra_register_new_scratch_op)
        (restore_scratches): Move them to ...
        * ira.c: ... here.
        (former_scratch_p, former_scratch_operand_p): Rename to
        ira_former_scratch_p and ira_former_scratch_operand_p.
        (contains_X_constraint_p): New function.
        (register_new_scratch_op): Rename to ira_register_new_scratch_op.
        Change it to work for IRA and LRA.
        (restore_scratches): Rename to ira_restore_scratches.
        (get_scratch_reg, ira_remove_insn_scratches): New functions.
        (ira): Call ira_remove_scratches if we use LRA.
        * ira.h (ira_former_scratch_p, ira_former_scratch_operand_p): New
        prototypes.
        (ira_register_new_scratch_op, ira_restore_scratches): New prototypes.
        (ira_remove_insn_scratches): New prototype.
        * lra-int.h (lra_former_scratch_p, lra_former_scratch_operand_p):
        Remove prototypes.
        (lra_register_new_scratch_op): Ditto.
        * lra-constraints.c: Rename lra_former_scratch_p and
        lra_former_scratch_p to ira_former_scratch_p and to
        ira_former_scratch_p.
        * lra-remat.c: Ditto.
        * lra-spills.c: Rename lra_former_scratch_p to ira_former_scratch_p.

2020-10-30  Martin Sebor  <msebor@redhat.com>

        PR middle-end/97556
        * builtins.c (access_ref::add_offset): Cap offset lower bound
        to at most the the upper bound.

2020-10-30  Jan Hubicka  <jh@suse.cz>

        PR pch/97593
        * cgraph.c (cgraph_node::create_thunk): Register thunk as early during
        parsing.
        * cgraphunit.c (analyze_functions): Call
        thunk_info::process_early_thunks.
        * symtab-thunks.cc (struct unprocessed_thunk): New struct.
        (thunks): New static variable.
        (thunk_info::register_early): New member function.
        (thunk_info::process_early_thunks): New member function.
        * symtab-thunks.h (thunk_info::register_early): Declare.
        (thunk_info::process_early_thunks): Declare.

2020-10-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97623
        * tree-ssa-pre.c (insert): First do hoist insertion in
        a backward walk.

2020-10-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97626
        * tree-vect-slp.c (vect_slp_analyze_node_operations):
        Exchange the lvisited hash-set for a vector, roll back
        recursive adds to visited when analysis failed.
        (vect_slp_analyze_operations): Likewise.

2020-10-30  Zhiheng Xie  <xiezhiheng@huawei.com>
            Nannan Zheng  <zhengnannan@huawei.com>

        * config/aarch64/aarch64-simd-builtins.def: Add proper FLAG
        for conversion intrinsics.

2020-10-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97633
        * tree-vect-slp.c (): Update backedges in single-node cycles.
        Optimize processing of externals.

2020-10-30  Alex Coplan  <alex.coplan@arm.com>

        PR target/96998
        * combine.c (make_extraction): Also handle shifts written as
        (mult x 2^n), avoid creating an extract rtx for these.
        * config/aarch64/aarch64.c (aarch64_is_extend_from_extract): Delete.
        (aarch64_classify_index): Remove extract-based address handling.
        (aarch64_strip_extend): Likewise.
        (aarch64_rtx_arith_op_extract_p): Likewise, remove now-unused parameter.
        Update callers...
        (aarch64_rtx_costs): ... here.

2020-10-30  Olivier Hainque  <hainque@adacore.com>

        * config/rs6000/vxworks.h (TARGET_OS_CPP_BUILTINS): Also
        builtin_define __ppc and __ppc__ for VxWorks 7.

2020-10-30  Olivier Hainque  <hainque@adacore.com>
            Douglas Rupp  <rupp@adacore.com>
            Pat Bernardi  <bernardi@adacore.com>

        * config.gcc: Adjust the ix86/x86_64-wrs-vxworks filters
        to apply to VxWorks 7 as well.
        * config/i386/t-vxworks (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
        Remove the fPIC multilib and add one for the large code model
        on x86_64.
        * config/i386/vxworks.h: Separate sections for TARGET_VXWORKS7,
        other variants and common bits.
        (TARGET_OS_CPP_BUILTINS): Augment to support a range of CPU
        families. Leverage VX_CPU_PREFIX.
        (CC1_SPEC): Add definition.
        (STACK_CHECK_PROTECT): Use conditional expression instead of
        heavier to read conditioned macro definitions.

2020-10-30  Jakub Jelinek  <jakub@redhat.com>

        * gimplify.c (gimplify_scan_omp_clauses): Force
        OMP_CLAUSE_ALLOCATE_ALLOCATOR into a temporary if it is non-NULL and
        non-constant.
        (gimplify_omp_for): Only put allocate on inner taskloop if lastprivate
        for the same variable is going to be put there, and in that case
        if the OMP_CLAUSE_ALLOCATE_ALLOCATOR is non-NULL non-constant, make
        the allocator firstprivate on task.

2020-10-30  Michael Meissner  <meissner@linux.ibm.com>

        * config/rs6000/rs6000.c (rs6000_option_override_internal): Allow
        long double type to be changed for C/C++ if glibc 2.32 or newer.
        (rs6000_invalid_binary_op): Update error messages about mixing IBM
        long double and IEEE 128-bit.

2020-10-29  Richard Biener  <rguenther@suse.de>

        * tree-ssa-pre.c (compute_avail): Free operands consistently.
        * tree-vect-loop.c (vectorizable_phi): Make sure all operand
        defs vectors are released.

2020-10-29  Jan Hubicka  <jh@suse.cz>

        * vec.h (vec<T, va_heap, vl_ptr>::copy): Pass mem stat info.

2020-10-29  Jan Hubicka  <jh@suse.cz>

        * wide-int.h (trailing_wide_ints <N>): Turn len to array of structures
        so it does not imply typeless storage.
        (trailing_wide_ints <N>::operator): update
        (trailing_wide_ints <N>::operator []): Update.

2020-10-29  Joseph Myers  <joseph@codesourcery.com>

        * ginclude/stdbool.h [__STDC_VERSION__ > 201710L] (true, false):
        Define with type _Bool.

2020-10-29  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/97505
        * vr-values.c (vr_values::extract_range_basic): Enable
        trap again for everything except UBSAN builtins.

2020-10-29  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-vectorizer.h (vect_transform_slp_perm_load): Take an
        optional extra parameter.
        * tree-vect-slp.c (vect_transform_slp_perm_load): Calculate
        the number of loads as well as the number of permutes, taking
        the counting loop from...
        * tree-vect-stmts.c (vect_model_load_cost): ...here.  Use the
        value computed by vect_transform_slp_perm_load for ncopies.

2020-10-29  Martin Liska  <mliska@suse.cz>

        PR lto/97508
        * langhooks.c (lhd_begin_section): Call get_section with
        not_existing = true.
        * output.h (get_section): Add new argument.
        * varasm.c (get_section): Fail when NOT_EXISTING is true
        and a section already exists.
        * ipa-cp.c (ipcp_write_summary): Remove.
        (ipcp_read_summary): Likewise.
        * ipa-fnsummary.c (ipa_fn_summary_read): Always read jump
        functions summary.
        (ipa_fn_summary_write): Always stream it.

2020-10-29  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_bb_slp_scalar_cost): Pass
        SLP_TREE_VECTYPE to record_stmt_cost.

2020-10-29  Martin Liska  <mliska@suse.cz>

        * optc-gen.awk: Check that params start with -param=.
        * params.opt: Fix ipa-jump-function-lookups.

2020-10-29  Alexandre Oliva  <oliva@adacore.com>

        * tree-ssa-math-opts.c (sincos_stats): Add conv_removed.
        (execute_cse_conv_1): New.
        (execute_cse_sincos_1): Call it.  Fix return within
        FOR_EACH_IMM_USE_STMT.
        (pass_cse_sincos::execute): Report conv_inserted.

2020-10-29  Xuepeng Guo  <xuepeng.guo@intel.com>
            Hongyu Wang  <hongyu.wang@intel.com>
            Hongtao Liu  <hongtao.liu@intel.com>

        * common/config/i386/cpuinfo.h (get_available_features):
        Detect KL, AESKLE and WIDEKL features.
        * common/config/i386/i386-common.c
        (OPTION_MASK_ISA_KL_SET): New.
        (OPTION_MASK_ISA_WIDEKL_SET): Likewise.
        (OPTION_MASK_ISA_KL_UNSET): Likewise.
        (OPTION_MASK_ISA_WIDEKL_UNSET): Likewise.
        (OPTION_MASK_ISA2_AVX2_UNSET): Likewise.
        (OPTION_MASK_ISA2_AVX_UNSET): Likewise.
        (OPTION_MASK_ISA2_SSE4_2_UNSET): Likewise.
        (OPTION_MASK_ISA2_SSE4_1_UNSET): Likewise.
        (OPTION_MASK_ISA2_SSE4_UNSET): Likewise.
        (OPTION_MASK_ISA2_SSSE3_UNSET): Likewise.
        (OPTION_MASK_ISA2_SSE3_UNSET): Likewise.
        (OPTION_MASK_ISA2_SSE2_UNSET): Likewise.
        (OPTION_MASK_ISA2_SSE_UNSET): Likewise.
        (ix86_handle_option): Handle kl and widekl, add dependency chain
        for KL and SSE2.
        * common/config/i386/i386-cpuinfo.h (enum processor_features):
        (FEATURE_KL, FEATURE_AESKLE, FEATURE_WIDEKL): New.
        * common/config/i386/i386-isas.h: Add ISA_NAMES_TABLE_ENTRY
        for KL, AESKLE and WIDEKL.
        * config.gcc: Add keylockerintrin.h.
        * doc/invoke.texi: Document new option -mkl and -mwidekl.
        * doc/extend.texi: Document kl and widekl.
        * config/i386/cpuid.h (bit_KL, bit_AESKLE, bit_WIDEKL): New.
        * config/i386/i386-builtin-types.def ((UINT, UINT, V2DI, V2DI, PVOID),
        (UINT, UINT, V2DI, PVOID), (VOID, V2DI, V2DI, V2DI, UINT),
        (UINT8, PV2DI, V2DI, PCVOID), (UINT8, PV2DI, PCV2DI, PCVOID)): New
        function types.
        * config/i386/i386-builtin.def: Add
        __builtin_ia32_loadiwkey,
        __builtin_ia32_aesdec128kl_u8,
        __builtin_ia32_aesdec256kl_u8,
        __builtin_ia32_aesenc128kl_u8,
        __builtin_ia32_aesenc256kl_u8,
        __builtin_ia32_aesdecwide128kl_u8,
        __builtin_ia32_aesdecwide256kl_u8,
        __builtin_ia32_aesencwide128kl_u8,
        __builtin_ia32_aesencwide256kl_u8,
        __builtin_ia32_encodekey128_u32,
        __builtin_ia32_encodekey256_u32.
        * config/i386/i386-c.c (ix86_target_macros_internal): Handle
        kl and widekl.
        * config/i386/i386-options.c (isa2_opts): Add -mkl and -mwidekl.
        (ix86_option_override_internal): Handle KL and WIDEKL.
        (ix86_valid_target_attribute_inner_p): Add attribute for kl and widekl.
        * config/i386/i386-expand.c
        (ix86_expand_builtin): Expand Keylocker Builtins.
        * config/i386/i386.h (TARGET_KL): New.
        (TARGET_KL_P): Likewise.
        (TARGET_WIDEKL): Likewise.
        (TARGET_WIDEKL_P): Likewise.
        (PTA_KL): Likewise.
        (PTA_WIDEKL): Likewise.
        (PTA_TIGERLAKE): Add PTA_KL, PTA_WIDEKL.
        (PTA_ALDERLAKE): Likewise.
        * config/i386/i386.opt: Add new option mkl and mwidekl.
        * config/i386/keylockerintrin.h: New header file for Keylocker.
        * config/i386/immintrin.h: Include keylockerintrin.h.
        * config/i386/predicates.md (encodekey128_operation): New
        predicate.
        (encodekey256_operation): Likewise.
        (aeswidekl_operation): Likewise.
        * config/i386/sse.md (UNSPECV_LOADIWKEY): New.
        (UNSPECV_AESDEC128KLU8): Likewise.
        (UNSPECV_AESENC128KLU8): Likewise.
        (UNSPECV_AESDEC256KLU8): Likewise.
        (UNSPECV_AESENC256KLU8): Likewise.
        (UNSPECV_AESDECWIDE128KLU8): Likewise.
        (UNSPECV_AESENCWIDE128KLU8): Likewise.
        (UNSPECV_AESDECWIDE256KLU8): Likewise.
        (UNSPECV_AESENCWIDE256KLU8): Likewise.
        (UNSPECV_ENCODEKEY128U32): Likewise.
        (UNSPECV_ENCODEKEY256U32): Likewise.
        (encodekey128u32): New expander.
        (encodekey256u32): Likewise.
        (aes<aeswideklvariant>u8): Likewise.
        (loadiwkey): New insn pattern.
        (*encodekey128u32): Likewise.
        (*encodekey256u32): Likewise.
        (aes<aesklvariant>u8): Likewise.
        (*aes<aeswideklvariant>u8): Likewise.

2020-10-29  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_build_slp_tree_2): Allow splatting
        not vectorizable loads.
        (vect_build_slp_instance): Amend dumping with address.
        (vect_slp_convert_to_external): Likewise.

2020-10-29  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/97609
        * gimple-range-cache.cc (non_null_ref::process_name): Call
        infer_nonnull_range directly instead of infer_value_range.

2020-10-29  David Malcolm  <dmalcolm@redhat.com>

        * Makefile.in (ANALYZER_OBJS): Add analyzer/complexity.o.

2020-10-28  Marek Polacek  <polacek@redhat.com>

        PR c++/97573
        * doc/invoke.texi: Document -Wdeprecated-enum-enum-conversion
        and -Wdeprecated-enum-float-conversion.  -Wenum-conversion is
        no longer C/ObjC only.

2020-10-28  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/97457
        * value-range.cc (irange::set): Don't decay POLY_INT_CST ranges
        to integer ranges.

2020-10-28  Carl Love  <cel@us.ibm.com>

        * config/rs6000/vsx.md(xxgenpcvm_<mode>_internal): Remove TARGET_64BIT.

2020-10-28  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_slp_analyze_node_operations_1): Dump
        when shared vectype update fails.

2020-10-28  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_get_and_check_slp_defs): For skipped
        args just push NULLs and vect_uninitialized_def.
        (vect_build_slp_tree_2): Allocate skip_args for all ops
        and pass it down to vect_get_and_check_slp_defs.

2020-10-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97615
        * tree-vect-slp.c (vect_build_slp_tree_2): Do not build
        an external from pattern defs.

2020-10-28  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_optimize_slp): Fix iteration over
        all loads.

2020-10-28  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_build_slp_instance): Split the store
        group at the failure boundary and also re-analyze a large enough
        matching rest.

2020-10-28  Richard Biener  <rguenther@suse.de>

        * tree-vect-data-refs.c (vect_slp_analyze_node_alignment):
        Dump when vect_update_shared_vectype fails.

2020-10-28  Andrea Corallo  <andrea.corallo@arm.com>

        * config/aarch64/arm_neon.h (__ST2_LANE_FUNC, __ST3_LANE_FUNC)
        (__ST4_LANE_FUNC): Rename the macro generating the 'q' variants
        into __ST2Q_LANE_FUNC, __ST2Q_LANE_FUNC, __ST2Q_LANE_FUNC so they
        all can be undefed at the and of the file.
        (vst2_lane_bf16, vst2q_lane_bf16, vst3_lane_bf16, vst3q_lane_bf16)
        (vst4_lane_bf16, vst4q_lane_bf16): Add new intrinsics.

2020-10-28  Andrea Corallo  <andrea.corallo@arm.com>

        * config/aarch64/arm_neon.h (__LD2_LANE_FUNC, __LD3_LANE_FUNC)
        (__LD4_LANE_FUNC): Rename the macro generating the 'q' variants
        into __LD2Q_LANE_FUNC, __LD2Q_LANE_FUNC, __LD2Q_LANE_FUNC so they
        all can be undefed at the and of the file.
        (vld2_lane_bf16, vld2q_lane_bf16, vld3_lane_bf16, vld3q_lane_bf16)
        (vld4_lane_bf16, vld4q_lane_bf16): Add new intrinsics.

2020-10-28  Jakub Jelinek  <jakub@redhat.com>

        * tree-core.h (enum omp_clause_code): Add OMP_CLAUSE_ALLOCATE.
        * tree.h (OMP_CLAUSE_ALLOCATE_ALLOCATOR,
        OMP_CLAUSE_ALLOCATE_COMBINED): Define.
        * tree.c (omp_clause_num_ops, omp_clause_code_name): Add allocate
        clause.
        (walk_tree_1): Handle OMP_CLAUSE_ALLOCATE.
        * tree-pretty-print.c (dump_omp_clause): Likewise.
        * gimplify.c (gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses,
        gimplify_omp_for): Likewise.
        * tree-nested.c (convert_nonlocal_omp_clauses,
        convert_local_omp_clauses): Likewise.
        * omp-low.c (scan_sharing_clauses): Likewise.

2020-10-28  Jakub Jelinek  <jakub@redhat.com>

        * omp-offload.c (omp_declare_target_tgt_fn_r): Handle direct calls to
        declare variant base functions.

2020-10-28  Jakub Jelinek  <jakub@redhat.com>

        PR lto/96680
        * lto-streamer.h (omp_lto_output_declare_variant_alt,
        omp_lto_input_declare_variant_alt): Declare variant.
        * symtab.c (symtab_node::get_partitioning_class): Return
        SYMBOL_DUPLICATE for declare_variant_alt nodes.
        * passes.c (ipa_write_summaries): Add declare_variant_alt to
        partition.
        * lto-cgraph.c (output_refs): Call omp_lto_output_declare_variant_alt
        on declare_variant_alt nodes.
        (input_refs): Call omp_lto_input_declare_variant_alt on
        declare_variant_alt nodes.
        * lto-streamer-out.c (output_function): Don't call
        collect_block_tree_leafs if DECL_INITIAL is error_mark_node.
        (lto_output): Call output_function even for declare_variant_alt
        nodes.
        * omp-general.c (omp_lto_output_declare_variant_alt,
        omp_lto_input_declare_variant_alt): New functions.

2020-10-28  Jakub Jelinek  <jakub@redhat.com>

        * wide-int.cc (wi::set_bit_large): Call canonize unless setting
        msb bit and clearing bits above it.

2020-10-28  Andrew MacLeod  <amacleod@redhat.com>

        * gimple-range-gori.cc (gori_compute_cache::cache_stmt): Accumulate
        return values and only set cache when everything returned true.
        * gimple-range.cc (get_tree_range): Set the return range to UNDEFINED
        when the range isn't supported.
        (gimple_ranger::calc_stmt): Return varying if the type is supported,
        even if the stmt processing failed.  False otherwise.
        (range_of_builtin_ubsan_call): Don't use gcc_assert.
        (range_of_builtin_call): Ditto.
        (gimple_ranger::range_of_cond_expr): Ditto.
        (gimple_ranger::range_of_expr): Ditto
        (gimple_ranger::range_on_entry): Ditto.
        (gimple_ranger::range_on_exit): Ditto.
        (gimple_ranger::range_on_edge): DItto.
        (gimple_ranger::range_of_stmt): Don't use gcc_assert, and initialize
        return value to UNDEFINED.

2020-10-27  Andreas Krebbel  <krebbel@linux.ibm.com>

        PR rtl-optimization/97497
        * config/s390/s390.c (s390_hard_regno_call_part_clobbered): Do not
        return true for r12 when -fpic is used.

2020-10-27  Tamar Christina  <tamar.christina@arm.com>

        PR target/97535
        * config/aarch64/aarch64.c (aarch64_expand_cpymem): Use unsigned
        arithmetic in check.

2020-10-27  Andrea Corallo  <andrea.corallo@arm.com>

        * config/aarch64/arm_neon.h (vcopy_lane_bf16, vcopyq_lane_bf16)
        (vcopyq_laneq_bf16, vcopy_laneq_bf16): New intrinsics.

2020-10-27  Olivier Hainque  <hainque@adacore.com>

        * config/vxworks.h (VX_CPU_PREFIX): #define here.
        * config/rs6000/vxworks.h: Remove #definition.

2020-10-27  Olivier Hainque  <hainque@adacore.com>

        * config/rs6000/vxworks.h (CPP_SPEC): Fix macro definition
        for -mcpu=e6500.

2020-10-27  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_build_slp_instance): Use ceil_log2
        to compute maximum group-size.

2020-10-27  Jan Hubicka  <jh@suse.cz>

        PR ipa/97586
        * ipa-modref-tree.h (modref_tree::remap_params): New member function.
        * ipa-modref.c (modref_summaries_lto::duplicate): Check that
        optimization summaries are not duplicated.
        (remap_arguments): Remove.
        (modref_transform): Rename to ...
        (update_signature): ... this one; handle also lto summary.
        (pass_ipa_modref::execute): Update signatures here rather
        than in transform hook.

2020-10-27  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_slp_bbs): Remove no-op
        slp-max-insns-in-bb check.
        (vect_slp_function): Dump when splitting the function.
        Adjust the split condition for control altering stmts.
        * params.opt (-param=slp-max-insns-in-bb): Remove.
        * doc/invoke.texi (-param=slp-max-insns-in-bb): Likewise.

2020-10-27  Richard Biener  <rguenther@suse.de>

        * gimple.h (gimple_expr_type): For PHIs return the type
        of the result.
        * tree-vect-loop-manip.c (slpeel_tree_duplicate_loop_to_edge_cfg):
        Make sure edge order into copied loop headers line up with the
        originals.
        * tree-vect-loop.c (vect_transform_cycle_phi): Handle nested
        loops with SLP.
        (vectorizable_phi): New function.
        (vectorizable_live_operation): For BB vectorization compute insert
        location here.
        * tree-vect-slp.c (vect_free_slp_tree): Deal with NULL
        SLP_TREE_CHILDREN entries.
        (vect_create_new_slp_node): Add overloads with pre-existing node
        argument.
        (vect_print_slp_graph): Likewise.
        (vect_mark_slp_stmts): Likewise.
        (vect_mark_slp_stmts_relevant): Likewise.
        (vect_gather_slp_loads): Likewise.
        (vect_optimize_slp): Likewise.
        (vect_slp_analyze_node_operations): Likewise.
        (vect_bb_slp_scalar_cost): Likewise.
        (vect_remove_slp_scalar_calls): Likewise.
        (vect_get_and_check_slp_defs): Handle PHIs.
        (vect_build_slp_tree_1): Handle PHIs.
        (vect_build_slp_tree_2): Continue SLP build, following PHI
        arguments.  Fix memory leak.
        (vect_build_slp_tree): Put stub node into the hash-map so
        we can discover cycles directly.
        (vect_build_slp_instance): Set the backedge SLP def for
        reduction chains.
        (vect_analyze_slp_backedges): Remove.
        (vect_analyze_slp): Do not call it.
        (vect_slp_convert_to_external): Release SLP_TREE_LOAD_PERMUTATION.
        (vect_slp_analyze_node_operations): Handle stray failed
        backedge defs by failing.
        (vect_slp_build_vertices): Adjust leaf condition.
        (vect_bb_slp_mark_live_stmts): Handle PHIs, use visited
        hash-set to handle cycles.
        (vect_slp_analyze_operations): Adjust.
        (vect_bb_partition_graph_r): Likewise.
        (vect_slp_function): Adjust split condition to allow CFG
        merges.
        (vect_schedule_slp_instance): Rename to ...
        (vect_schedule_slp_node): ... this.  Move DFS walk to ...
        (vect_schedule_scc): ... this new function.
        (vect_schedule_slp): Call it.  Remove ad-hoc vectorized
        backedge fill code.
        * tree-vect-stmts.c (vect_analyze_stmt): Call
        vectorizable_phi.
        (vect_transform_stmt): Likewise.
        (vect_is_simple_use): Handle vect_backedge_def.
        * tree-vectorizer.c (vec_info::new_stmt_vec_info): Only
        set loop header PHIs to vect_unknown_def_type for loop
        vectorization.
        * tree-vectorizer.h (enum vect_def_type): Add vect_backedge_def.
        (enum stmt_vec_info_type): Add phi_info_type.
        (vectorizable_phi): Declare.

2020-10-27  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_build_slp_tree_2): When vectorizing
        BBs splat uniform operands and stop SLP discovery.

2020-10-27  Iain Buclaw  <ibuclaw@gdcproject.org>

        * config/aarch64/aarch64-linux.h (GNU_USER_TARGET_D_CRITSEC_SIZE):
        Remove.
        * config/glibc-d.c (glibc_d_critsec_size): Likewise.
        (TARGET_D_CRITSEC_SIZE): Likewise.
        * config/i386/linux-common.h (GNU_USER_TARGET_D_CRITSEC_SIZE):
        Likewise.
        * config/sol2-d.c (solaris_d_critsec_size): Likewise.
        (TARGET_D_CRITSEC_SIZE):  Likewise.
        * doc/tm.texi.in (TARGET_D_CRITSEC_SIZE): Likewise.
        * doc/tm.texi: Regenerate.

2020-10-27  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/97461
        * gcov-io.h (GCOV_PREALLOCATED_KVP): Pre-allocate 64
        static counters.

2020-10-27  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-alias.c (attr_fnspec::verify): Re-enabl checking.

2020-10-27  Jan Hubicka  <jh@suse.cz>

        * builtin-attrs.def (STRERRNOC): New macro.
        (STRERRNOP): New macro.
        (ATTR_ERRNOCONST_NOTHROW_LEAF_LIST): New attr list.
        (ATTR_ERRNOPURE_NOTHROW_LEAF_LIST): New attr list.
        * builtins.def (ATTR_MATHFN_ERRNO): Use
        ATTR_ERRNOCONST_NOTHROW_LEAF_LIST.
        (ATTR_MATHFN_FPROUNDING_ERRNO): Use ATTR_ERRNOCONST_NOTHROW_LEAF_LIST
        or ATTR_ERRNOPURE_NOTHROW_LEAF_LIST.

2020-10-27  Kito Cheng  <kito.cheng@sifive.com>

        * common/config/riscv/riscv-common.c (opt_var_ref_t): New.
        (riscv_ext_flag_table_t): New.
        (riscv_ext_flag_table): New.
        (riscv_parse_arch_string): Pass gcc_options* instead of
        &opts->x_target_flags only, and using riscv_arch_option_table to
        setup flags.
        (riscv_handle_option): Update argument for riscv_parse_arch_string.
        (riscv_expand_arch): Ditto.
        (riscv_expand_arch_from_cpu): Ditto.

2020-10-27  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-ccp.c (evaluate_stmt): Use EAF_RETURN_ARG; do not handle
        string buitings specially.

2020-10-27  Jan Hubicka  <jh@suse.cz>

        * tree.c (set_call_expr_flags): Fix string for ECF_RET1.
        (build_common_builtin_nodes): Do not set ECF_RET1 for memcpy, memmove,
        and memset. They are handled by builtin_fnspec.

2020-10-27  Jan Hubicka  <jh@suse.cz>

        * builtins.c (builtin_fnspec): Add bzero, memcmp, memcmp_eq, bcmp,
        strncmp, strncmp_eq, strncasecmp, rindex, strlen, strlnen, strcasecmp,
        strcspn, strspn, strcmp, strcmp_eq.

2020-10-27  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (slp_tree_pool): Declare.
        (_slp_tree::operator new): Likewise.
        (_slp_tree::operator delete): Likewise.
        * tree-vectorizer.c (vectorize_loops): Allocate and free the
        slp_tree_pool.
        (pass_slp_vectorize::execute): Likewise.
        * tree-vect-slp.c (slp_tree_pool): Define.
        (_slp_tree::operator new): Likewise.
        (_slp_tree::operator delete): Likewise.

2020-10-27  Martin Liska  <mliska@suse.cz>

        * lto-wrapper.c (run_gcc): Do not use sub-make when jobserver is
        not detected properly.

2020-10-27  Martin Liska  <mliska@suse.cz>

        * symbol-summary.h (call_summary_base): Pass symtab hooks to
        base and register (or unregister) hooks directly.

2020-10-27  Martin Liska  <mliska@suse.cz>

        * symbol-summary.h (function_summary_base::unregister_hooks):
        Call disable_insertion_hook and disable_duplication_hook.
        (function_summary_base::symtab_insertion): New field.
        (function_summary_base::symtab_removal): Likewise.
        (function_summary_base::symtab_duplication): Likewise.
        Register hooks in function_summary_base and directly register
        (or unregister) hooks.

2020-10-26  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/97567
        * gimple-range-gori.cc (gori_compute::logical_combine): Union the
        ranges of operand1 and operand2, not intersect.

2020-10-26  Jan Hubicka  <jh@suse.cz>

        * attr-fnspec.h: Update toplevel comment.
        (attr_fnspec::attr_fnspec): New constructor.
        (attr_fnspec::arg_read_p,
        attr_fnspec::arg_written_p,
        attr_fnspec::arg_access_size_given_by_arg_p,
        attr_fnspec::arg_single_access_p
        attr_fnspec::loads_known_p
        attr_fnspec::stores_known_p,
        attr_fnspec::clobbers_errno_p): New member functions.
        (gimple_call_fnspec): Declare.
        (builtin_fnspec): Declare.
        * builtins.c: Include attr-fnspec.h
        (builtin_fnspec): New function.
        * builtins.def (BUILT_IN_MEMCPY): Do not specify RET1 fnspec.
        (BUILT_IN_MEMMOVE): Do not specify RET1 fnspec.
        (BUILT_IN_MEMSET): Do not specify RET1 fnspec.
        (BUILT_IN_STRCAT): Do not specify RET1 fnspec.
        (BUILT_IN_STRCPY): Do not specify RET1 fnspec.
        (BUILT_IN_STRNCAT): Do not specify RET1 fnspec.
        (BUILT_IN_STRNCPY): Do not specify RET1 fnspec.
        (BUILT_IN_MEMCPY_CHK): Do not specify RET1 fnspec.
        (BUILT_IN_MEMMOVE_CHK): Do not specify RET1 fnspec.
        (BUILT_IN_MEMSET_CHK): Do not specify RET1 fnspec.
        (BUILT_IN_STRCAT_CHK): Do not specify RET1 fnspec.
        (BUILT_IN_STRCPY_CHK): Do not specify RET1 fnspec.
        (BUILT_IN_STRNCAT_CHK): Do not specify RET1 fnspec.
        (BUILT_IN_STRNCPY_CHK): Do not specify RET1 fnspec.
        * gimple.c (gimple_call_fnspec): Return attr_fnspec.
        (gimple_call_arg_flags): Update.
        (gimple_call_return_flags): Update.
        * tree-ssa-alias.c (check_fnspec): New function.
        (ref_maybe_used_by_call_p_1): Use fnspec for builtin handling.
        (call_may_clobber_ref_p_1): Likewise.
        (attr_fnspec::verify): Update verifier.
        * calls.c (decl_fnspec): New function.
        (decl_return_flags): Use it.

2020-10-26  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/97555
        * range-op.cc (range_tests): Test 1-bit signed invert.
        * value-range.cc (subtract_one): Adjust comment.
        (add_one): New.
        (irange::invert): Call add_one.

2020-10-26  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (cgraph_node::optimize_for_size_p): Return
        optimize_size_level.
        (cgraph_node::optimize_for_size_p): Update.
        * coretypes.h (enum optimize_size_level): New enum.
        * predict.c (unlikely_executed_edge_p): Microoptimize.
        (optimize_function_for_size_p): Return optimize_size_level.
        (optimize_bb_for_size_p): Likewise.
        (optimize_edge_for_size_p): Likewise.
        (optimize_insn_for_size_p): Likewise.
        (optimize_loop_nest_for_size_p): Likewise.
        * predict.h (optimize_function_for_size_p): Update declaration.
        (optimize_bb_for_size_p): Update declaration.
        (optimize_edge_for_size_p): Update declaration.
        (optimize_insn_for_size_p): Update declaration.
        (optimize_loop_for_size_p): Update declaration.
        (optimize_loop_nest_for_size_p): Update declaration.

2020-10-26  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (enum slp_instance_kind): New.
        (vect_build_slp_instance): Split out from...
        (vect_analyze_slp_instance): ... this.

2020-10-26  Andrew MacLeod  <amacleod@redhat.com>

        * gimple-range.cc (range_of_builtin_call): Initialize zerov to 0.

2020-10-26  Jan Hubicka  <jh@suse.cz>

        PR ipa/97576
        * cgraphclones.c (cgraph_node::materialize_clone): Clear stmt
        references.
        * cgraphunit.c (mark_functions_to_output): Do not clear them here.
        * ipa-inline-transform.c (inline_transform): Clear stmt references.
        * symtab.c (symtab_node::clear_stmts_in_references): Make recursive
        for clones.
        * tree-ssa-structalias.c (ipa_pta_execute): Do not clear references.

2020-10-26  Zhiheng Xie  <xiezhiheng@huawei.com>
            Nannan Zheng  <zhengnannan@huawei.com>

        * config/aarch64/aarch64-builtins.c: Add FLAG STORE.
        * config/aarch64/aarch64-simd-builtins.def: Add proper FLAG
        for store intrinsics.

2020-10-26  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR tree-optimization/97546
        * gimple-ssa-store-merging.c (find_bswap_or_nop): Return NULL if
        type is not INTEGER_CST.

2020-10-26  Richard Biener  <rguenther@suse.de>

        PR middle-end/97521
        * expr.c (const_scalar_mask_from_tree): Remove.
        (expand_expr_real_1): Always VIEW_CONVERT integer mode
        vector constants to an integer type.
        * tree.c (build_truth_vector_type_for_mode): Use a single-bit
        boolean component type for non-vector-mode mask_mode.

2020-10-26  H.J. Lu  <hjl.tools@gmail.com>

        PR target/95458
        * config/i386/i386-expand.c (ix86_expand_cmpstrn_or_cmpmem):
        Return false for -mno-inline-all-stringops.

2020-10-26  H.J. Lu  <hjl.tools@gmail.com>

        PR target/95151
        * config/i386/i386-expand.c (ix86_expand_cmpstrn_or_cmpmem): New
        function.
        * config/i386/i386-protos.h (ix86_expand_cmpstrn_or_cmpmem): New
        prototype.
        * config/i386/i386.md (cmpmemsi): New pattern.

2020-10-26  Andreas Krebbel  <krebbel@linux.ibm.com>

        * config/s390/vector.md ("vcond_mask_<mode><mode>"): New expander.

2020-10-26  Richard Biener  <rguenther@suse.de>

        * sbitmap.c (sbitmap_vector_alloc): Use size_t for byte
        quantities to avoid overflow.

2020-10-26  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97539
        * tree-vect-loop-manip.c (vect_do_peeling): Reset out-of-loop
        debug uses before peeling.

2020-10-26  Jan Hubicka  <hubicka@ucw.cz>

        * cgraph.h (struct cgraph_node): Make ipa_transforms_to_apply vl_ptr.
        * ipa-inline-analysis.c (initialize_growth_caches): Disable insertion
        and duplication hooks.
        * ipa-inline-transform.c (clone_inlined_nodes): Clear
        ipa_transforms_to_apply.
        (save_inline_function_body): Disable insertion hoook for
        ipa_saved_clone_sources.
        * ipa-prop.c (ipcp_transformation_initialize): Disable insertion hook.
        * ipa-prop.h (ipa_node_params_t): Disable insertion hook.
        * ipa-reference.c (propagate): Disable insertion hoook.
        * ipa-sra.c (ipa_sra_summarize_function): Move out of anonymous
        namespace.
        (ipa_sra_function_summaries::insert): New virtual function.
        * passes.c (execute_one_pass): Do not add transforms to inline clones.
        * symbol-summary.h (function_summary_base): Make insert and duplicate
        hooks fail instead of silently producing empty summaries; add way to
        disable duplication hooks
        (call_summary_base): Likewise.
        * tree-nested.c (nested_function_info::get_create): Disable insertion
        hooks
        (maybe_record_nested_function): Likewise.

2020-10-26  Xionghu Luo  <luoxhu@linux.ibm.com>

        * cfg.c (debug_bb): New overloaded function.
        (debug_bb_n): New overloaded function.
        * cfg.h (debug_bb): New declaration.
        (debug_bb_n): New declaration.
        * print-rtl.c (debug_bb_slim): Call debug_bb with flags.

2020-10-24  H.J. Lu  <hjl.tools@gmail.com>

        PR bootstrap/97451
        * configure.ac (HAVE_AS_WORKING_DWARF_4_FLAG): Renamed to ...
        (HAVE_AS_WORKING_DWARF_N_FLAG): This.  Don't define if there is
        an extra assembly input file in debug info.  Replace success
        with dwarf4_success in the 32-bit --gdwarf-4 check.
        * dwarf2out.c (asm_outputs_debug_line_str): Check
        HAVE_AS_WORKING_DWARF_N_FLAG instead of
        HAVE_AS_WORKING_DWARF_4_FLAG.
        * gcc.c (ASM_DEBUG_SPEC): Likewise.
        (ASM_DEBUG_OPTION_SPEC): Likewise.
        * config.in: Regenerated.
        * configure: Likewise.

2020-10-24  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/97538
        * calls.c (get_size_range): Handle undefined ranges.

2020-10-24  Martin Liska  <mliska@suse.cz>

        * cgraph.c (cgraph_node::former_thunk_p): Move out of CHECKING_P
        macro.

2020-10-24  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Limit
        AND addressing to just lvx/stvx style addresses.

2020-10-24  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.md (cstore<mode>4): Don't call
        rs6000_emit_int_cmove for power10 when -mno-isel.

2020-10-23  Jan Hubicka  <hubicka@ucw.cz>

        * Makefile.in: Add symtab-thunks.o
        (GTFILES): Add symtab-thunks.h and symtab-thunks.cc; remove cgraphunit.c
        * cgraph.c: Include symtab-thunks.h.
        (cgraph_node::create_thunk): Update
        (symbol_table::create_edge): Update
        (cgraph_node::dump): Update
        (cgraph_node::call_for_symbol_thunks_and_aliases): Update
        (set_nothrow_flag_1): Update
        (set_malloc_flag_1): Update
        (set_const_flag_1): Update
        (collect_callers_of_node_1): Update
        (clone_of_p): Update
        (cgraph_node::verify_node): Update
        (cgraph_node::function_symbol): Update
        (cgraph_c_finalize): Call thunk_info::release.
        (cgraph_node::has_thunk_p): Update
        (cgraph_node::former_thunk_p): Move here from cgraph.h; reimplement.
        * cgraph.h (struct cgraph_thunk_info): Rename to symtab-thunks.h.
        (cgraph_node): Remove thunk field; add thunk bitfield.
        (cgraph_node::expand_thunk): Move to symtab-thunks.h
        (symtab_thunks_cc_finalize): Declare.
        (cgraph_node::has_gimple_body_p): Update.
        (cgraph_node::former_thunk_p): Update.
        * cgraphclones.c: Include symtab-thunks.h.
        (duplicate_thunk_for_node): Update.
        (cgraph_edge::redirect_callee_duplicating_thunks): Update.
        (cgraph_node::expand_all_artificial_thunks): Update.
        (cgraph_node::create_edge_including_clones): Update.
        * cgraphunit.c: Include symtab-thunks.h.
        (vtable_entry_type): Move to symtab-thunks.c.
        (cgraph_node::analyze): Update.
        (analyze_functions): Update.
        (mark_functions_to_output): Update.
        (thunk_adjust): Move to symtab-thunks.c
        (cgraph_node::expand_thunk): Move to symtab-thunks.c
        (cgraph_node::assemble_thunks_and_aliases): Update.
        (output_in_order): Update.
        (cgraphunit_c_finalize): Do not clear vtable_entry_type.
        (cgraph_node::create_wrapper): Update.
        * gengtype.c (open_base_files): Add symtab-thunks.h
        * ipa-comdats.c (propagate_comdat_group): UPdate.
        (ipa_comdats): Update.
        * ipa-cp.c (determine_versionability): UPdate.
        (gather_caller_stats): Update.
        (count_callers): Update
        (set_single_call_flag): Update
        (initialize_node_lattices): Update
        (call_passes_through_thunk_p): Update
        (call_passes_through_thunk): Update
        (propagate_constants_across_call): Update
        (find_more_scalar_values_for_callers_subset): Update
        (has_undead_caller_from_outside_scc_p): Update
        * ipa-fnsummary.c (evaluate_properties_for_edge): Update.
        (compute_fn_summary): Update.
        (inline_analyze_function): Update.
        * ipa-icf.c: Include symtab-thunks.h.
        (sem_function::equals_wpa): Update.
        (redirect_all_callers): Update.
        (sem_function::init): Update.
        (sem_function::parse): Update.
        * ipa-inline-transform.c: Include symtab-thunks.h.
        (inline_call): Update.
        (save_inline_function_body): Update.
        (preserve_function_body_p): Update.
        * ipa-inline.c (inline_small_functions): Update.
        * ipa-polymorphic-call.c: Include alloc-pool.h, symbol-summary.h,
        symtab-thunks.h
        (ipa_polymorphic_call_context::ipa_polymorphic_call_context): Update.
        * ipa-pure-const.c: Include symtab-thunks.h.
        (analyze_function): Update.
        * ipa-sra.c (check_for_caller_issues): Update.
        * ipa-utils.c (ipa_reverse_postorder): Update.
        (ipa_merge_profiles): Update.
        * ipa-visibility.c (non_local_p): Update.
        (cgraph_node::local_p): Update.
        (function_and_variable_visibility): Update.
        * ipa.c (symbol_table::remove_unreachable_nodes): Update.
        * lto-cgraph.c: Include alloc-pool.h, symbol-summary.h and
        symtab-thunks.h
        (lto_output_edge): Update.
        (lto_output_node): Update.
        (compute_ltrans_boundary): Update.
        (output_symtab): Update.
        (verify_node_partition): Update.
        (input_overwrite_node): Update.
        (input_node): Update.
        * lto-streamer-in.c (fixup_call_stmt_edges): Update.
        * symtab-thunks.cc: New file.
        * symtab-thunks.h: New file.
        * toplev.c (toplev::finalize): Call symtab_thunks_cc_finalize.
        * trans-mem.c (ipa_tm_mayenterirr_function): Update.
        (ipa_tm_execute): Update.
        * tree-inline.c (expand_call_inline): Update.
        * tree-nested.c (create_nesting_tree): Update.
        (convert_all_function_calls): Update.
        (gimplify_all_functions): Update.
        * tree-profile.c (tree_profiling): Update.
        * tree-ssa-structalias.c (associate_varinfo_to_alias): Update.
        * tree.c (free_lang_data_in_decl): Update.
        * value-prof.c (init_node_map): Update.

2020-10-23  Marek Polacek  <polacek@redhat.com>

        PR c++/91741
        * doc/invoke.texi: Document -Wsizeof-array-div.

2020-10-23  Martin Sebor  <msebor@redhat.com>

        PR middle-end/97552
        * attribs.c (init_attr_rdwr_indices): Handle static VLA parameters.

2020-10-23  Douglas Rupp  <rupp@adacore.com>

        * config/vxworks.h (VXWORKS_NET_LIBS_RTP): Use -lrtnet if
        rtnetStackLib.h is available,fallback to -lnet otherwise.

2020-10-23  Douglas Rupp  <rupp@adacore.com>

        * gcc.c (if-exists-then-else): New built-in spec function.
        * doc/invoke.texi: Document it.

2020-10-23  Tulio Magno Quites Machado Filho  <tuliom@linux.ibm.com>

        * doc/extend.texi (PowerPC Built-in Functions): Replace
        extraneous characters with whitespace.

2020-10-23  Martin Liska  <mliska@suse.cz>

        * gcov.c (read_count_file): Never call gcov_sync with a negative
        value.

2020-10-23  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (PLUGIN_HEADERS): Add gomp-constants.h and $(EXPR_H).
        (s-header-vars): Accept not just spaces but also tabs between *_H name
        and =.  Handle common/config/ headers similarly to config.  Don't
        throw away everything from first ... to last / on the remaining
        string, instead skip just ... to corresponding last / without
        intervening spaces and tabs.
        (install-plugin): Treat common/config headers like config headers.
        * config/i386/t-i386 (TM_H): Add
        $(srcdir)/common/config/i386/i386-cpuinfo.h.

2020-10-23  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/97164
        * stor-layout.c (layout_type): Also reject arrays where element size
        is constant, but not a multiple of element alignment.

2020-10-23  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-loop-ivopts.c (analyze_and_mark_doloop_use): Bail out if
        the loop is subject to a pragma Unroll with no specific count.

2020-10-23  Dennis Zhang  <dennis.zhang@arm.com>

        * config/arm/mve.md (mve_vsubq<mode>): New entry for vsub instruction
        using expression 'minus'.
        (mve_vsubq_f<mode>): Use minus instead of VSUBQ_F unspec.
        * config/arm/neon.md (sub<mode>3, sub<mode>3_fp16): Removed.
        (neon_vsub<mode>): Use gen_sub<mode>3 instead of gen_sub<mode>3_fp16.
        * config/arm/vec-common.md (sub<mode>3): Use the new mode macros
        ARM_HAVE_<MODE>_ARITH. Use iterator VDQ instead of VALL.

2020-10-23  Martin Liska  <mliska@suse.cz>

        PR lto/97524
        * lto-wrapper.c (make_exists): New function.
        (run_gcc): Use it to check that make is present and working
        for parallel execution.

2020-10-23  Richard Biener  <rguenther@suse.de>

        Revert:
        2020-10-22  Richard Biener  <rguenther@suse.de>

        PR middle-end/97521
        * expr.c (expand_expr_real_1): Be more careful when
        expanding a VECTOR_BOOLEAN_TYPE_P VECTOR_CSTs.

2020-10-23  Kewen Lin  <linkw@linux.ibm.com>

        * tree-vect-loop.c (vect_transform_loop): Remove the redundant
        LOOP_VINFO_FULLY_MASKED_P check.

2020-10-23  Dennis Zhang  <dennis.zhang@arm.com>

        * config/arm/mve.md (mve_vsubq<mode>): New entry for vsub instruction
        using expression 'minus'.
        (mve_vsubq_f<mode>): Use minus instead of VSUBQ_F unspec.
        * config/arm/neon.md (sub<mode>3, sub<mode>3_fp16): Removed.
        (neon_vsub<mode>): Use gen_sub<mode>3 instead of gen_sub<mode>3_fp16.
        * config/arm/vec-common.md (sub<mode>3): Use the new mode macros
        ARM_HAVE_<MODE>_ARITH. Use iterator VDQ instead of VALL.

2020-10-22  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_emit_xxspltidp_v2df): Delete
        debug printf.  Remove trailing ".\n" from inform message.
        Break long line.

2020-10-22  Andrew MacLeod  <amacleod@redhat.com>

        * gimple-range-gori.cc (is_gimple_logical_p): Use types_compatible_p
        for logical compatibility.
        (logical_stmt_cache::cacheable_p): Ditto.

2020-10-22  Jan Hubicka  <hubicka@ucw.cz>

        * cgraph.c (cgraph_node::get_untransformed_body): Perform lazy
        clone materialization.
        * cgraph.h (cgraph_node::materialize_clone): Declare.
        (symbol_table::materialize_all_clones): Remove.
        * cgraphclones.c (cgraph_materialize_clone): Turn to ...
        (cgraph_node::materialize_clone): .. this one; move here
        dumping from symbol_table::materialize_all_clones.
        (symbol_table::materialize_all_clones): Remove.
        * cgraphunit.c (mark_functions_to_output): Clear stmt references.
        (cgraph_node::expand): Initialize bitmaps early;
        do not call execute_all_ipa_transforms if there are no transforms.
        * ipa-inline-transform.c (save_inline_function_body): Fix formating.
        (inline_transform): Materialize all clones before function is modified.
        * ipa-param-manipulation.c (ipa_param_adjustments::modify_call):
        Materialize clone if needed.
        * ipa.c (class pass_materialize_all_clones): Remove.
        (make_pass_materialize_all_clones): Remove.
        * passes.c (execute_all_ipa_transforms): Materialize all clones.
        * passes.def: Remove pass_materialize_all_clones.
        * tree-pass.h (make_pass_materialize_all_clones): Remove.
        * tree-ssa-structalias.c (ipa_pta_execute): Clear refs.

2020-10-22  Will Schmidt  <will_schmidt@vnet.ibm.com>

        * config/rs6000/altivec.h (vec_xl_zext, vec_xl_sext, vec_xst_trunc):
        New defines.
        * config/rs6000/rs6000-builtin.def (BU_P10V_OVERLOAD_X): New builtin
        macro.
        (BU_P10V_AV_X): New builtin macro.
        (se_lxvrhbx, se_lxrbhx, se_lxvrwx, se_lxvrdx): Define internal names
        for load and sign extend vector element.
        (ze_lxvrbx, ze_lxvrhx, ze_lxvrwx, ze_lxvrdx): Define internal names
        for load and zero extend vector element.
        (tr_stxvrbx, tr_stxvrhx, tr_stxvrwx, tr_stxvrdx): Define internal names
        for truncate and store vector element.
        (se_lxvrx, ze_lxvrx, tr_stxvrx): Define internal names for overloaded
        load/store rightmost element.
        * config/rs6000/rs6000-call.c (altivec_builtin_types): Define the
        internal monomorphs P10_BUILTIN_SE_LXVRBX, P10_BUILTIN_SE_LXVRHX,
        P10_BUILTIN_SE_LXVRWX, P10_BUILTIN_SE_LXVRDX,
        P10_BUILTIN_ZE_LXVRBX, P10_BUILTIN_ZE_LXVRHX, P10_BUILTIN_ZE_LXVRWX,
        P10_BUILTIN_ZE_LXVRDX,
        P10_BUILTIN_TR_STXVRBX, P10_BUILTIN_TR_STXVRHX, P10_BUILTIN_TR_STXVRWX,
        P10_BUILTIN_TR_STXVRDX,
        (altivec_expand_lxvr_builtin): New expansion for load element builtins.
        (altivec_expand_stv_builtin): Update to for truncate and store builtins.
        (altivec_expand_builtin): Add clases for load/store rightmost builtins.
        (altivec_init_builtins): Add def_builtin entries for
        __builtin_altivec_se_lxvrbx, __builtin_altivec_se_lxvrhx,
        __builtin_altivec_se_lxvrwx, __builtin_altivec_se_lxvrdx,
        __builtin_altivec_ze_lxvrbx, __builtin_altivec_ze_lxvrhx,
        __builtin_altivec_ze_lxvrwx, __builtin_altivec_ze_lxvrdx,
        __builtin_altivec_tr_stxvrbx, __builtin_altivec_tr_stxvrhx,
        __builtin_altivec_tr_stxvrwx, __builtin_altivec_tr_stxvrdx,
        __builtin_vec_se_lxvrx, __builtin_vec_ze_lxvrx, __builtin_vec_tr_stxvrx.
        * config/rs6000/vsx.md (vsx_lxvr<wd>x, vsx_stxvr<wd>x, vsx_stxvr<wd>x):
        New define_insn entries.
        * doc/extend.texi:  Add documentation for vsx_xl_sext, vsx_xl_zext,
        and vec_xst_trunc.

2020-10-22  Will Schmidt  <will_schmidt@vnet.ibm.com>

        * config/rs6000/vsx.md (enum unspec): Add
        UNSPEC_EXTENDDITI2 and UNSPEC_MTVSRD_DITI_W1 entries.
        (mtvsrdd_diti_w1, extendditi2_vector): New define_insns.
        (extendditi2): New define_expand.

2020-10-22  Alexandre Oliva  <oliva@adacore.com>

        * config/i386/mingw-w64.h (TARGET_LIBC_HAS_FUNCTION): Enable
        sincos optimization.

2020-10-22  Alan Modra  <amodra@gmail.com>

        * config/rs6000/vsx.md (vec_cntmb_<mode>, vec_extract_<mode>),
        (vec_expand_<mode>): Replace <VSX_MM_SUFFIX> with <wd>.

2020-10-22  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_analyze_slp_instance): Refactor so
        computing a vector type early is not needed, for store group
        splitting compute a new vector type based on the desired
        group size.

2020-10-22  Richard Biener  <rguenther@suse.de>

        PR middle-end/97521
        * expr.c (expand_expr_real_1): Be more careful when
        expanding a VECTOR_BOOLEAN_TYPE_P VECTOR_CSTs.

2020-10-22  David Malcolm  <dmalcolm@redhat.com>

        * ipa-modref-tree.c (selftest::test_insert_search_collapse): Fix
        leak.
        (selftest::test_merge): Fix leaks.

2020-10-22  Andreas Krebbel  <krebbel@linux.ibm.com>

        PR target/97502
        * config/s390/vector.md ("vec_cmp<VI_HW:mode><VI_HW:mode>")
        ("vec_cmpu<VI_HW:mode><VI_HW:mode>"): New expanders.

2020-10-22  Andreas Krebbel  <krebbel@linux.ibm.com>

        PR rtl-optimization/97439
        * dfp.c (decimal_real_maxval): Set the sign flag in the
        generated number.

2020-10-22  Martin Liska  <mliska@suse.cz>

        PR c/94722
        * cfgexpand.c (stack_protect_decl_phase):
        Guard with lookup_attribute("no_stack_protector") at
        various places.
        (expand_used_vars): Likewise here.
        * doc/extend.texi: Document no_stack_protector attribute.

2020-10-22  Martin Liska  <mliska@suse.cz>

        * cfgexpand.c: Move the enum to ...
        * coretypes.h (enum stack_protector): ... here.
        * function.c (assign_parm_adjust_stack_rtl): Use the stack_protector
        enum.

2020-10-22  Kito Cheng  <kito.cheng@sifive.com>

        * config/riscv/multilib-generator: Add TODO, import itertools
        and functools.reduce.
        Handle expantion operator.
        (LONG_EXT_PREFIXES): New.
        (arch_canonicalize): Update comment and improve python3
        debuggability/compatibility.
        (add_underline_prefix): New.
        (_expand_combination): Ditto.
        (unique): Ditto.
        (expand_combination): Ditto.

2020-10-22  Jakub Jelinek  <jakub@redhat.com>

        * tree-ssa-phiopt.c (cond_removal_in_popcount_clz_ctz_pattern):
        For CLZ and CTZ tests, use type temporary instead of mode.

2020-10-22  Jakub Jelinek  <jakub@redhat.com>

        * config.gcc (x86_archs): Add samuel-2, nehemiah, c7 and esther.
        (x86_64_archs): Add eden-x2, nano, nano-1000, nano-2000, nano-3000,
        nano-x2, eden-x4, nano-x4, x86-64-v2, x86-64-v3 and x86-64-v4.
        (i[34567]86-*-* | x86_64-*-*): Only allow x86-64-v* as argument
        to --with-arch_64=.

2020-10-22  Jan Hubicka  <jh@suse.cz>

        * ipa-pure-const.c (funct_state_summary_t::insert): Free stale
        summaries.

2020-10-22  Jan Hubicka  <hubicka@ucw.cz>

        * cgraph.c: Include tree-nested.h
        (cgraph_node::create): Call maybe_record_nested_function.
        (cgraph_node::remove): Do not remove function from nested function
        infos.
        (cgraph_node::dump): Update.
        (cgraph_node::unnest): Move to tree-nested.c
        (cgraph_node::verify_node): Update.
        (cgraph_c_finalize): Call nested_function_info::release.
        * cgraph.h (struct symtab_node): Remove nested function info.
        * cgraphclones.c (cgraph_node::create_clone): Do not clone nested
        function info.
        * cgraphunit.c (cgraph_node::analyze): Update.
        (cgraph_node::expand): Do not worry about nested functions; they are
        lowered.
        (symbol_table::finalize_compilation_unit): Call
        nested_function_info::release.
        * gimplify.c: Include tree-nested.h
        (unshare_body): Update.
        (unvisit_body): Update.
        * omp-offload.c (omp_discover_implicit_declare_target): Update.
        * tree-nested.c: Include alloc-pool.h, tree-nested.h, symbol-summary.h
        (nested_function_sum): New static variable.
        (nested_function_info::get): New member function.
        (nested_function_info::get_create): New member function.
        (unnest_function): New function.
        (nested_function_info::~nested_function_info): New member function.
        (nested_function_info::release): New function.
        (maybe_record_nested_function): New function.
        (lookup_element_for_decl): Update.
        (check_for_nested_with_variably_modified): Update.
        (create_nesting_tree): Update.
        (unnest_nesting_tree_1): Update.
        (gimplify_all_functions): Update.
        (lower_nested_functions): Update.
        * tree-nested.h (class nested_function_info): New class.
        (maybe_record_nested_function): Declare.
        (unnest_function): Declare.
        (first_nested_function): New inline function.
        (next_nested_function): New inline function.
        (nested_function_origin): New inline function.

2020-10-22  liuhongt  <hongtao.liu@intel.com>

        PR rtl-optimization/97249
        * simplify-rtx.c (simplify_binary_operation_1): Simplify
        vec_select of a subreg of X to a vec_select of X.

2020-10-22  liuhongt  <hongtao.liu@intel.com>

        PR target/87767
        * config/i386/constraints.md ("Br"): New special memory
        constraint.
        * config/i386/i386-expand.c (ix86_binary_operator_ok): Both
        source operand cannot be in memory or bcst_memory_operand.
        * config/i386/i386.c (ix86_print_operand): Print bcst_mem_operand.
        * config/i386/i386.h (VALID_BCST_MODE_P): New.
        * config/i386/predicates.md (bcst_mem_operand): New predicate
        for AVX512 embedding broadcast memory operand.
        (bcst_vector_operand): New predicate, vector_operand or
        bcst_mem_operand.
        * config/i386/sse.md
        (*<plusminus_insn><mode>3<mask_name><round_name>): Extend
        predicate and constraints to handle bcst_mem_operand.
        (*mul<mode>3<mask_name><round_name>): Ditto.
        (<sse>_div<mode>3<mask_name><round_name>): Ditto.
        (<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name><round_name>):
        Ditto.
        (<sd_mask_codefor>fma_fmsub_<mode><sd_maskz_name><round_name>):
        Ditto.
        (<sd_mask_codefor>fma_fnmadd_<mode><sd_maskz_name><round_name>):
        Ditto.
        (<sd_mask_codefor>fma_fnmsub_<mode><sd_maskz_name><round_name>):
        Ditto.
        (*<plusminus_insn><mode>3): Ditto.
        (avx512dq_mul<mode>3<mask_name>): Ditto.
        (*<sse4_1_avx2>_mul<mode>3<mask_name>): Ditto.
        (*andnot<mode>3): Ditto.
        (<mask_codefor><code><mode>3<mask_name>): Ditto.
        (*sub<mode>3<mask_name>_bcst): Removed.
        (*add<mode>3<mask_name>_bcst): Ditto.
        (*mul<mode>3<mask_name>_bcst): Ditto.
        (*<avx512>_div<mode>3<mask_name>_bcst): Ditto.
        (*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_1):
        Ditto.
        (*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_2):
        Ditto.
        (*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_3):
        Ditto.
        (*<sd_mask_codefor>fma_fmsub_<mode><sd_maskz_name>_bcst_1):
        Ditto.
        (*<sd_mask_codefor>fma_fmsub_<mode><sd_maskz_name>_bcst_2):
        Ditto.
        (*<sd_mask_codefor>fma_fmsub_<mode><sd_maskz_name>_bcst_3):
        Ditto.
        (*<sd_mask_codefor>fma_fnmadd_<mode><sd_maskz_name>_bcst_1):
        Ditto.
        (*<sd_mask_codefor>fma_fnmadd_<mode><sd_maskz_name>_bcst_2):
        Ditto.
        (*<sd_mask_codefor>fma_fnmadd_<mode><sd_maskz_name>_bcst_3):
        Ditto.
        (*<sd_mask_codefor>fma_fnmsub_<mode><sd_maskz_name>_bcst_1):
        Ditto.
        (*<sd_mask_codefor>fma_fnmsub_<mode><sd_maskz_name>_bcst_2):
        Ditto.
        (*<sd_mask_codefor>fma_fnmsub_<mode><sd_maskz_name>_bcst_3):
        Ditto.
        (*sub<mode>3_bcst): Ditto.
        (*add<mode>3_bcst): Ditto.
        (*avx512dq_mul<mode>3<mask_name>_bcst): Ditto.
        (*avx512f_mul<mode>3<mask_name>_bcst): Ditto.
        (*andnot<mode>3_bcst): Ditto.
        (*<code><mode>3_bcst): Ditto.
        * config/i386/subst.md (bcst_round_constraint): New subst
        attribute.
        (bcst_round_nimm_predicate): Ditto.
        (bcst_mask_prefix3): Ditto.
        (bcst_mask_prefix4): Ditto.

2020-10-22  liuhongt  <hongtao.liu@intel.com>

        PR target/87767
        * ira-costs.c (record_operand_costs): Extract memory operand
        from recog_data.operand[i] for record_address_regs.
        (record_reg_classes): Extract memory operand from OP for
        conditional judgement MEM_P.
        * ira.c (ira_setup_alts): Ditto.
        * lra-constraints.c (extract_mem_from_operand): New function.
        (satisfies_memory_constraint_p): Extract memory operand from
        OP for decompose_mem_address, return false when there's no
        memory operand inside OP.
        (process_alt_operands): Remove MEM_P (op) since it would be
        judged in satisfies_memory_constraint_p.
        * recog.c (asm_operand_ok): Extract memory operand from OP for
        judgement of memory_operand (OP, VOIDmode).
        (constrain_operands): Don't unwrapper unary operator when
        there's memory operand inside.
        * rtl.h (extract_mem_from_operand): New decl.

2020-10-22  Dennis Zhang  <dennis.zhang@arm.com>

        * config/arm/mve.md (mve_vmaxq_<supf><mode>): Replace with ...
        (mve_vmaxq_s<mode>, mve_vmaxq_u<mode>): ... these new insns to
        use smax/umax instead of VMAXQ.
        (mve_vminq_<supf><mode>): Replace with ...
        (mve_vminq_s<mode>, mve_vminq_u<mode>): ... these new insns to
        use smin/umin instead of VMINQ.
        (mve_vmaxnmq_f<mode>): Use smax instead of VMAXNMQ_F.
        (mve_vminnmq_f<mode>): Use smin instead of VMINNMQ_F.
        * config/arm/vec-common.md (smin<mode>3): Use the new mode macros
        ARM_HAVE_<MODE>_ARITH.
        (umin<mode>3, smax<mode>3, umax<mode>3): Likewise.

2020-10-22  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/97520
        * gimple-range.cc (range_of_non_trivial_assignment): Handle x = &a
        by returning a non-zero range.

2020-10-22  Dennis Zhang  <dennis.zhang@arm.com>

        * config/arm/mve.md (mve_vmulq<mode>): New entry for vmul instruction
        using expression 'mult'.
        (mve_vmulq_f<mode>): Use mult instead of VMULQ_F.
        * config/arm/neon.md (mul<mode>3): Removed.
        * config/arm/vec-common.md (mul<mode>3): Use the new mode macros
        ARM_HAVE_<MODE>_ARITH. Use mode iterator VDQWH instead of VALLW.

2020-10-22  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/97515
        * value-query.cc (range_query::value_of_expr): If the result is
        UNDEFINED, check to see if the global value is a constant.
        (range_query::value_on_edge): Ditto.

2020-10-21  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/97445
        * ipa-inline.c (inline_insns_single): Add hint2 parameter.
        (inline_insns_auto): Add hint2 parameter.
        (can_inline_edge_by_limits_p): Update.
        (want_inline_small_function_p): Update.
        (wrapper_heuristics_may_apply): Update.

2020-10-21  Richard Biener  <rguenther@suse.de>
            Andrew MacLeod  <amacleod@redhat.com>
            Martin Liska  <mliska@suse.cz>

        PR target/97360
        * config/rs6000/rs6000-call.c (rs6000_init_builtins): Remove call to
        build_distinct_type_copy().

2020-10-21  Jan Hubicka  <jh@suse.cz>

        PR ipa/97445
        * ipa-fnsummary.c (ipa_dump_hints): Add INLINE_HINT_builtin_constant_p.
        (ipa_fn_summary::~ipa_fn_summary): Free builtin_constant_p_parms.
        (ipa_fn_summary_t::duplicate): Duplicate builtin_constant_p_parms.
        (ipa_dump_fn_summary): Dump builtin_constant_p_parms.
        (add_builtin_constant_p_parm): New function
        (set_cond_stmt_execution_predicate): Update builtin_constant_p_parms.
        (ipa_call_context::estimate_size_and_time): Set
        INLINE_HINT_builtin_constant_p..
        (ipa_merge_fn_summary_after_inlining): Merge builtin_constant_p_parms.
        (inline_read_section): Read builtin_constant_p_parms.
        (ipa_fn_summary_write): Write builtin_constant_p_parms.
        * ipa-fnsummary.h (enum ipa_hints_vals): Add
        INLINE_HINT_builtin_constant_p.
        * ipa-inline.c (want_inline_small_function_p): Use
        INLINE_HINT_builtin_constant_p.
        (edge_badness): Use INLINE_HINT_builtin_constant_p.

2020-10-21  Douglas Rupp  <rupp@adacore.com>

        * config/vx-common.h (LINK_SPEC, LIB_SPEC): Remove #undef.

2020-10-21  Douglas Rupp  <rupp@adacore.com>
            Olivier Hainque  <hainque@adacore.com>

        * config.gcc (powerpc*-wrs-vxworks7r*): New case.
        * config/rs6000/vxworks.h: Rework to handle VxWorks7.
        Refactor as common bits + vx6 vs vx7 ones. For the
        latter, rely essentially on the Linux configuration
        and adjust CPU to _VX_CPU in CPP_SPEC. Add a case
        for e6500. Use SUB3TARGET_OVERRIDE_OPTIONS for specifics
        to preserve the Linux SUBSUBTARGET_OVERRIDE_OPTIONS
        for vx7.

2020-10-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97500
        * tree-vect-slp.c (vect_analyze_slp_backedges): Do not
        fill backedges for inductions.

2020-10-21  liuhongt  <hongtao.liu@intel.com>

        PR target/97506
        * config/i386/i386-expand.c (ix86_expand_sse_movcc): Move
        op_true to dest directly when op_true equals op_false.

2020-10-21  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/97503
        * tree-ssa-phiopt.c: Include internal-fn.h.
        (cond_removal_in_popcount_pattern): Rename to ...
        (cond_removal_in_popcount_clz_ctz_pattern): ... this.  Handle not just
        popcount, but also clz and ctz if it has C?Z_DEFINED_VALUE_AT_ZERO 2.

2020-10-21  Richard Biener  <rguenther@suse.de>

        * cfg.c (htab_bb_copy_original_entry): Remove.
        (bb_copy_hasher): Likewise.
        (bb_original, bb_copy, loop_copy): Use
        hash_map<int_hash<int, -1, -2>, int>.
        (original_copy_bb_pool): Remove.
        (initialize_original_copy_tables): Adjust.
        (reset_original_copy_tables): Likewise.
        (free_original_copy_tables): Likewise.
        (original_copy_tables_initialized_p): Likewise.
        (copy_original_table_clear): Simplify.
        (copy_original_table_set): Likewise.
        (get_bb_original): Likewise.
        (get_bb_copy): Likewise.
        (get_loop_copy): Likewise.

2020-10-21  Richard Biener  <rguenther@suse.de>

        * cfghooks.c (copy_bbs): Split out loop computing new_edges.

2020-10-21  Aldy Hernandez  <aldyh@redhat.com>

        * gimple-range.cc (gimple_ranger::range_of_ssa_name_with_loop_info):
        Remove TREE_OVERFLOW special case.
        * vr-values.c (bounds_of_var_in_loop): Adjust overflow for
        invariants.

2020-10-21  Aldy Hernandez  <aldyh@redhat.com>

        * vr-values.h: Remove simplify_cond_using_ranges_2.
        (range_fits_type_p): New.
        * vr-values.c (range_fits_type_p): Remove static qualifier.
        (vrp_simplify_cond_using_ranges): Move...
        * tree-vrp.c (vrp_simplify_cond_using_ranges): ...to here.

2020-10-20  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/97505
        * vr-values.c (vr_values::extract_range_basic): Trap if
        vr_values version disagrees with range_of_builtin_call.

2020-10-20  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/rs6000.c (rs6000_option_override_internal):
        Don't implcitly enable Altivec ABI if set on the command line.

2020-10-20  Aldy Hernandez  <aldyh@redhat.com>

        * calls.c (get_size_range): Adjust to work with ranger.
        * calls.h (get_size_range): Add ranger argument to prototype.
        * gimple-ssa-warn-restrict.c (class wrestrict_dom_walker): Remove.
        (check_call): Pull out of wrestrict_dom_walker into a
        static function.
        (wrestrict_dom_walker::before_dom_children): Rename to...
        (wrestrict_walk): ...this.
        (pass_wrestrict::execute): Instantiate ranger.
        (class builtin_memref): Add stmt and query fields.
        (builtin_access::builtin_access): Add range_query field.
        (builtin_memref::builtin_memref): Same.
        (builtin_memref::extend_offset_range): Same.
        (builtin_access::builtin_access): Make work with ranger.
        (wrestrict_dom_walker::check_call): Pull out into...
        (check_call): ...here.
        (check_bounds_or_overlap): Add range_query argument.
        * gimple-ssa-warn-restrict.h (check_bounds_or_overlap):
        Add range_query and gimple stmt arguments.

2020-10-20  Aldy Hernandez  <aldyh@redhat.com>

        * gimple-ssa-warn-alloca.c (enum alloca_type): Remove
        ALLOCA_BOUND_UNKNOWN and ALLOCA_CAST_FROM_SIGNED.
        (warn_limit_specified_p): New.
        (alloca_call_type_by_arg): Remove.
        (cast_from_signed_p): Remove.
        (is_max): Remove.
        (alloca_call_type): Remove heuristics and replace with call into
        ranger.
        (pass_walloca::execute): Instantiate ranger.

2020-10-20  Tobias Burnus  <tobias@codesourcery.com>

        * lto-wrapper.c (run_gcc): Use proper variable for
        %u.ltrans_args dump suffix.

2020-10-20  Zhiheng Xie  <xiezhiheng@huawei.com>
            Nannan Zheng  <zhengnannan@huawei.com>

        * config/aarch64/aarch64-simd-builtins.def: Add proper FLAG
        for get/set reg intrinsics.

2020-10-20  Aldy Hernandez  <aldyh@redhat.com>

        * gimple-range.cc (gimple_ranger::range_of_builtin_ubsan_call):
        Make externally visble...
        (range_of_builtin_ubsan_call): ...here.  Add range_query argument.
        (gimple_ranger::range_of_builtin_call): Make externally visible...
        (range_of_builtin_call): ...here.  Add range_query argument.
        * gimple-range.h (range_of_builtin_call): Move out from class and
        make externally visible.
        * vr-values.c (vr_values::extract_range_basic): Abstract out
        builtin handling to...
        (vr_values::range_of_expr): Handle non SSAs.
        (vr_values::extract_range_builtin): ...here.
        * vr-values.h (class vr_values): Add extract_range_builtin.
        (range_of_expr): Rename NAME to EXPR.

2020-10-20  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/97501
        * gimple-range.cc (gimple_ranger::range_of_ssa_name_with_loop_info):
        Saturate overflows returned from SCEV.

2020-10-20  Aldy Hernandez  <aldyh@redhat.com>

        * value-range.cc (irange::operator=): Split up call to
        copy_legacy_range into...
        (irange::copy_to_legacy): ...this.
        (irange::copy_legacy_to_multi_range): ...and this.
        (irange::copy_legacy_range): Remove.
        * value-range.h: Remove copoy_legacy_range.
        Add copy_legacy_to_multi_range and copy_to_legacy.

2020-10-20  Tobias Burnus  <tobias@codesourcery.com>

        * doc/invoke.texi (NVPTX options): Use @item not @itemx.

2020-10-20  Richard Biener  <rguenther@suse.de>

        * tree-cfg.c (reinstall_phi_args): Remove.
        (gimple_split_edge): Remove PHIs around the edge redirection
        to avoid touching them at all.

2020-10-20  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vectorizable_reduction): Use the correct
        loops latch edge for the PHI arg lookup.

2020-10-20  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430.md (andneghi3): Allow general operand for
        op1 and update output assembler template.

2020-10-20  Tobias Burnus  <tobias@codesourcery.com>

        * collect-utils.c (collect_execute, fork_execute): Add at-file suffix
        argument.
        * collect-utils.h (collect_execute, fork_execute): Update prototype.
        * collect2.c (maybe_run_lto_and_relink, do_link, main, do_dsymutil):
        Update calls by passing NULL.
        * config/i386/intelmic-mkoffload.c (compile_for_target,
        generate_host_descr_file, prepare_target_image, main): Likewise.
        * config/gcn/mkoffload.c (compile_native, main): Pass at-file suffix.
        * config/nvptx/mkoffload.c (compile_native, main): Likewise.
        * lto-wrapper.c (compile_offload_image): Likewise.

2020-10-20  Aldy Hernandez  <aldyh@redhat.com>

        * range-op.cc (operator_rshift::op1_range): Special case
        shifting by zero.

2020-10-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97496
        * tree-vect-slp.c (vect_get_and_check_slp_defs): Guard extern
        promotion with not in pattern.

2020-10-20  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>

        * config/s390/s390.c (s390_expand_vec_strlen): Add alignment
        for memory access inside loop.

2020-10-19  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/97360
        * gimple-range.h (range_compatible_p): New.
        * gimple-range-gori.cc (is_gimple_logical_p): Use range_compatible_p.
        (range_is_either_true_or_false): Ditto.
        (gori_compute::outgoing_edge_range_p): Cast result to the correct
        type if necessary.
        (logical_stmt_cache::cacheable_p): Use range_compatible_p.
        * gimple-range.cc (gimple_ranger::calc_stmt): Check range_compatible_p
        before casting the range.
        (gimple_ranger::range_on_exit): Use range_compatible_p.
        (gimple_ranger::range_on_edge): Ditto.

2020-10-19  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/97456
        * tree-complex.c (set_component_ssa_name): Do not replace ignored decl
        default definitions with new component vars.  Reorder if conditions.

2020-10-19  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/vsx.md (vextract_fp_from_shorth):  Fix vals_be.
        (vextract_fp_from_shortl) Same.

2020-10-19  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/97488
        * range-op.cc (operator_lshift::op1_range): Handle large right shifts.

2020-10-19  Martin Liska  <mliska@suse.cz>

        * ipa-modref.c (compute_parm_map): Clear vector.

2020-10-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97486
        * tree-vect-slp.c (vect_slp_function): Split after stmts
        ending a BB.

2020-10-19  Jonathan Wakely  <jwakely@redhat.com>

        * doc/invoke.texi (OPptimize Options): Add missing closing
        parenthesis.

2020-10-19  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/97467
        * range-op.cc (operator_lshift::op1_range): Handle shifts by 0.

2020-10-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97466
        * tree-vect-slp.c (vect_get_and_check_slp_defs): Remove
        spurious assert, re-indent.

2020-10-19  Li Jia He  <helijia@gcc.gnu.org>

        PR tree-optimization/66552
        * match.pd (x << (n % C) -> x << (n & C-1)): New simplification.

2020-10-19  Richard Biener  <rguenther@suse.de>

        * tree-cfg.c (verify_gimple_comparison): Drop special-case
        for pointer comparison.

2020-10-16  Andrew MacLeod  <amacleod@redhat.com>

        * vr-values.c (dump_all_value_ranges): Only dump names which are
        still active.

2020-10-16  Andrew MacLeod  <amacleod@redhat.com>

        * range-op.cc (pointer_plus_operator::wi_fold): Make pointer_plus
        [0, 0] + const return a [const, const] range.

2020-10-16  Andrew MacLeod  <amacleod@redhat.com>

        * gimple-ssa-evrp.c (hybrid_folder::value_on_edge): Call
        evrp_folder::value_of_expr directly.
        (hybrid_folder::value_of_stmt): Ditto.

2020-10-16  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/97462
        * range-op.cc (operator_lshift::op1_range): Don't trap on negative
        shifts.

2020-10-16  Olivier Hainque  <hainque@adacore.com>

        * config/vxworks.h (VX_CRTBEGIN_SPEC): Likewise.

2020-10-16  Olivier Hainque  <hainque@adacore.com>

        * config/vxworks/_vxworks-versions.h: Only include
        version.h if _WRS_VXWORKS_MAJOR is not defined.
        Provide a default _WRS_VXWORKS_MINOR (0).

2020-10-16  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        PR target/97327
        * config/arm/arm.c (fp_bitlist): Add isa_bit_mve_float to FP bits array.

2020-10-16  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_get_and_check_slp_defs): For BB
        vectorization swap operands only if it helps, demote mismatches to
        external.

2020-10-16  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        PR target/97291
        * config/arm/arm-builtins.c (arm_strsbwbs_qualifiers): Modify array.
        (arm_strsbwbu_qualifiers): Likewise.
        (arm_strsbwbs_p_qualifiers): Likewise.
        (arm_strsbwbu_p_qualifiers): Likewise.
        * config/arm/arm_mve.h (__arm_vstrdq_scatter_base_wb_s64): Modify
        function definition.
        (__arm_vstrdq_scatter_base_wb_u64): Likewise.
        (__arm_vstrdq_scatter_base_wb_p_s64): Likewise.
        (__arm_vstrdq_scatter_base_wb_p_u64): Likewise.
        (__arm_vstrwq_scatter_base_wb_p_s32): Likewise.
        (__arm_vstrwq_scatter_base_wb_p_u32): Likewise.
        (__arm_vstrwq_scatter_base_wb_s32): Likewise.
        (__arm_vstrwq_scatter_base_wb_u32): Likewise.
        (__arm_vstrwq_scatter_base_wb_f32): Likewise.
        (__arm_vstrwq_scatter_base_wb_p_f32): Likewise.
        * config/arm/arm_mve_builtins.def (vstrwq_scatter_base_wb_add_u): Remove
        expansion for the builtin.
        (vstrwq_scatter_base_wb_add_s): Likewise.
        (vstrwq_scatter_base_wb_add_f): Likewise.
        (vstrdq_scatter_base_wb_add_u): Likewise.
        (vstrdq_scatter_base_wb_add_s): Likewise.
        (vstrwq_scatter_base_wb_p_add_u): Likewise.
        (vstrwq_scatter_base_wb_p_add_s): Likewise.
        (vstrwq_scatter_base_wb_p_add_f): Likewise.
        (vstrdq_scatter_base_wb_p_add_u): Likewise.
        (vstrdq_scatter_base_wb_p_add_s): Likewise.
        * config/arm/mve.md (mve_vstrwq_scatter_base_wb_<supf>v4si): Remove
        expand.
        (mve_vstrwq_scatter_base_wb_add_<supf>v4si): Likewise.
        (mve_vstrwq_scatter_base_wb_<supf>v4si_insn): Rename pattern to ...
        (mve_vstrwq_scatter_base_wb_<supf>v4si): This.
        (mve_vstrwq_scatter_base_wb_p_<supf>v4si): Remove expand.
        (mve_vstrwq_scatter_base_wb_p_add_<supf>v4si): Likewise.
        (mve_vstrwq_scatter_base_wb_p_<supf>v4si_insn): Rename pattern to ...
        (mve_vstrwq_scatter_base_wb_p_<supf>v4si): This.
        (mve_vstrwq_scatter_base_wb_fv4sf): Remove expand.
        (mve_vstrwq_scatter_base_wb_add_fv4sf): Likewise.
        (mve_vstrwq_scatter_base_wb_fv4sf_insn): Rename pattern to ...
        (mve_vstrwq_scatter_base_wb_fv4sf): This.
        (mve_vstrwq_scatter_base_wb_p_fv4sf): Remove expand.
        (mve_vstrwq_scatter_base_wb_p_add_fv4sf): Likewise.
        (mve_vstrwq_scatter_base_wb_p_fv4sf_insn): Rename pattern to ...
        (mve_vstrwq_scatter_base_wb_p_fv4sf): This.
        (mve_vstrdq_scatter_base_wb_<supf>v2di): Remove expand.
        (mve_vstrdq_scatter_base_wb_add_<supf>v2di): Likewise.
        (mve_vstrdq_scatter_base_wb_<supf>v2di_insn): Rename pattern to ...
        (mve_vstrdq_scatter_base_wb_<supf>v2di): This.
        (mve_vstrdq_scatter_base_wb_p_<supf>v2di): Remove expand.
        (mve_vstrdq_scatter_base_wb_p_add_<supf>v2di): Likewise.
        (mve_vstrdq_scatter_base_wb_p_<supf>v2di_insn): Rename pattern to ...
        (mve_vstrdq_scatter_base_wb_p_<supf>v2di): This.

2020-10-16  Kito Cheng  <kito.cheng@sifive.com>

        * config/riscv/multilib-generator (IMPLIED_EXT): New.
        (arch_canonicalize): Update comment and handle implied extensions.

2020-10-16  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_get_and_check_slp_defs): First analyze
        all operands and fill in the def_stmts and ops entries.
        (vect_def_types_match): New helper.

2020-10-16  Martin Liska  <mliska@suse.cz>

        PR ipa/97404
        * ipa-prop.c (struct ipa_vr_ggc_hash_traits):
        Compare types of VRP as we can merge ranges of different types.

2020-10-16  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97428
        * tree-vect-slp.c (vect_analyze_slp_instance): Split store
        groups also for loop vectorization.

2020-10-15  Tom de Vries  <tdevries@suse.de>

        PR target/97436
        * config/nvptx/nvptx.opt (m32): Comment out.
        * doc/invoke.texi (NVPTX options): Remove -m32.

2020-10-15  Jan Hubicka  <hubicka@ucw.cz>
            Richard Biener  <rguenther@suse.de>

        * attr-fnspec.h: Fix toplevel comment.

2020-10-15  Richard Biener  <rguenther@suse.de>

        * tree-pretty-print.c (dump_mem_ref): Print constant offset
        also for TARGET_MEM_REF.

2020-10-15  Jan Hubicka  <jh@suse.cz>

        * symtab.c (symtab_node::binds_to_current_def_p): Also accept symbols
        defined in other partition.

2020-10-15  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vectorizable_live_operation): Adjust
        dominance query.

2020-10-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97482
        * tree-data-ref.c (split_constant_offset_1): Handle
        trivial conversions better.
        * fold-const.c (convert_to_ptrofftype_loc): Elide conversion
        if the offset is already ptrofftype_p.

2020-10-15  Martin Liska  <mliska@suse.cz>

        PR ipa/97295
        * profile-count.c (profile_count::to_frequency): Move part of
        gcc_assert to STATIC_ASSERT.
        * regs.h (REG_FREQ_FROM_BB): Do not use count.to_frequency for
        a function that does not have count_max initialized.

2020-10-15  Jakub Jelinek  <jakub@redhat.com>

        * params.opt (-param-ipa-jump-function-lookups=): Add full stop at
        the end of the parameter description.

2020-10-15  Kito Cheng  <kito.cheng@sifive.com>

        * common/config/riscv/riscv-common.c (riscv_cpu_tables): New.
        (riscv_arch_str): Return empty string if current_subset_list
        is NULL.
        (riscv_find_cpu): New.
        (riscv_handle_option): Verify option value of -mcpu.
        (riscv_expand_arch): Using std::string.
        (riscv_default_mtune): New.
        (riscv_expand_arch_from_cpu): Ditto.
        * config/riscv/riscv-cores.def: New.
        * config/riscv/riscv-protos.h (riscv_find_cpu): New.
        (riscv_cpu_info): New.
        * config/riscv/riscv.c (riscv_tune_info): Rename ...
        (riscv_tune_param): ... to this.
        (riscv_cpu_info): Rename ...
        (riscv_tune_info): ... to this.
        (tune_info): Rename ...
        (tune_param): ... to this.
        (rocket_tune_info): Update data type name.
        (sifive_7_tune_info): Ditto.
        (optimize_size_tune_info): Ditto.
        (riscv_cpu_info_table): Rename ...
        (riscv_tune_info_table): ... to this.
        (riscv_parse_cpu): Rename ...
        (riscv_parse_tune): ... to this, and translate valid -mcpu option to
        -mtune option.
        (riscv_rtx_costs): Rename tune_info to tune_param.
        (riscv_class_max_nregs): Ditto.
        (riscv_memory_move_cost): Ditto.
        (riscv_init_machine_status): Use value of -mcpu if -mtune is not
        given, and rename tune_info to tune_param.
        * config/riscv/riscv.h (riscv_expand_arch_from_cpu): New.
        (riscv_default_mtune): Ditto.
        (EXTRA_SPEC_FUNCTIONS): Add riscv_expand_arch_from_cpu and
        riscv_default_mtune.
        (OPTION_DEFAULT_SPECS): Handle default value of -march/-mabi.
        (DRIVER_SELF_SPECS): Expand -march from -mcpu if -march is not
        given.
        * config/riscv/riscv.opt (-mcpu): New option.
        * config/riscv/t-riscv ($(common_out_file)): Add
        riscv-cores.def to dependency.
        * doc/invoke.texi (RISC-V Option): Add -mcpu, and update the
        description of default value for -mtune and -march.

2020-10-15  Hongyu Wang  <hongyu.wang@intel.com>

        * common/config/i386/cpuinfo.h (get_available_features):
        Detect HRESET.
        * common/config/i386/i386-common.c (OPTION_MASK_ISA2_HRESET_SET,
        OPTION_MASK_ISA2_HRESET_UNSET): New macros.
        (ix86_handle_option): Handle -mhreset.
        * common/config/i386/i386-cpuinfo.h (enum processor_features):
        Add FEATURE_HRESET.
        * common/config/i386/i386-isas.h: Add ISA_NAMES_TABLE_ENTRY
        for hreset.
        * config.gcc: Add hresetintrin.h
        * config/i386/hresetintrin.h: New header file.
        * config/i386/x86gprintrin.h: Include hresetintrin.h.
        * config/i386/cpuid.h (bit_HRESET): New.
        * config/i386/i386-builtin.def: Add new builtin.
        * config/i386/i386-expand.c (ix86_expand_builtin):
        Handle new builtin.
        * config/i386/i386-c.c (ix86_target_macros_internal): Define
        __HRESET__.
        * config/i386/i386-options.c (isa2_opts): Add -mhreset.
        (ix86_valid_target_attribute_inner_p): Handle hreset.
        * config/i386/i386.h (TARGET_HRESET, TARGET_HRESET_P,
        PTA_HRESET): New.
        (PTA_ALDERLAKE): Add PTA_HRESET.
        * config/i386/i386.opt: Add option -mhreset.
        * config/i386/i386.md (UNSPECV_HRESET): New unspec.
        (hreset): New define_insn.
        * doc/invoke.texi: Document -mhreset.
        * doc/extend.texi: Document hreset.

2020-10-15  Hongtao Liu  <hongtao.liu@intel.com>

        * common/config/i386/cpuinfo.h (get_available_features):
        Detect UINTR.
        * common/config/i386/i386-common.c (OPTION_MASK_ISA2_UINTR_SET
        OPTION_MASK_ISA2_UINTR_UNSET): New.
        (ix86_handle_option): Handle -muintr.
        * common/config/i386/i386-cpuinfo.h (enum processor_features):
        Add FEATURE_UINTR.
        * common/config/i386/i386-isas.h: Add ISA_NAMES_TABLE_ENTRY
        for uintr.
        * config.gcc: Add uintrintrin.h to extra_headers.
        * config/i386/uintrintrin.h: New.
        * config/i386/cpuid.h (bit_UINTR): New.
        * config/i386/i386-builtin-types.def: Add new types.
        * config/i386/i386-builtin.def: Add new builtins.
        * config/i386/i386-builtins.c (ix86_init_mmx_sse_builtins): Add
        __builtin_ia32_testui.
        * config/i386/i386-builtins.h (ix86_builtins): Add
        IX86_BUILTIN_TESTUI.
        * config/i386/i386-c.c (ix86_target_macros_internal): Define
        __UINTR__.
        * config/i386/i386-expand.c (ix86_expand_special_args_builtin):
        Handle UINT8_FTYPE_VOID.
        (ix86_expand_builtin): Handle IX86_BUILTIN_TESTUI.
        * config/i386/i386-options.c (isa2_opts): Add -muintr.
        (ix86_valid_target_attribute_inner_p): Handle UINTR.
        (ix86_option_override_internal): Add TARGET_64BIT check for UINTR.
        * config/i386/i386.h (TARGET_UINTR, TARGET_UINTR_P, PTA_UINTR): New.
        (PTA_SAPPHIRRAPIDS): Add PTA_UINTR.
        * config/i386/i386.opt: Add -muintr.
        * config/i386/i386.md
        (define_int_iterator UINTR_UNSPECV): New.
        (define_int_attr uintr_unspecv): New.
        (uintr_<uintr_unspecv>, uintr_senduipi, testui):
        New define_insn patterns.
        * config/i386/x86gprintrin.h: Include uintrintrin.h
        * doc/invoke.texi: Document -muintr.
        * doc/extend.texi: Document uintr.

2020-10-14  Martin Sebor  <msebor@redhat.com>

        PR middle-end/97391
        * builtins.c (gimple_parm_array_size): Peel off one less layer
        of array types.

2020-10-14  Martin Sebor  <msebor@redhat.com>

        PR c/97413
        * attribs.c (init_attr_rdwr_indices): Unwrap extra list layer.

2020-10-14  Sunil K Pandey  <skpgkp2@gmail.com>

        PR target/95483
        * config/i386/avx2intrin.h (_mm_broadcastsi128_si256): New intrinsics.
        (_mm_broadcastsd_pd): Ditto.
        * config/i386/avx512bwintrin.h (_mm512_loadu_epi16): New intrinsics.
        (_mm512_storeu_epi16): Ditto.
        (_mm512_loadu_epi8): Ditto.
        (_mm512_storeu_epi8): Ditto.
        * config/i386/avx512dqintrin.h (_mm_reduce_round_sd): New intrinsics.
        (_mm_mask_reduce_round_sd): Ditto.
        (_mm_maskz_reduce_round_sd): Ditto.
        (_mm_reduce_round_ss): Ditto.
        (_mm_mask_reduce_round_ss): Ditto.
        (_mm_maskz_reduce_round_ss): Ditto.
        (_mm512_reduce_round_pd): Ditto.
        (_mm512_mask_reduce_round_pd): Ditto.
        (_mm512_maskz_reduce_round_pd): Ditto.
        (_mm512_reduce_round_ps): Ditto.
        (_mm512_mask_reduce_round_ps): Ditto.
        (_mm512_maskz_reduce_round_ps): Ditto.
        * config/i386/avx512erintrin.h
        (_mm_mask_rcp28_round_sd): New intrinsics.
        (_mm_maskz_rcp28_round_sd): Ditto.
        (_mm_mask_rcp28_round_ss): Ditto.
        (_mm_maskz_rcp28_round_ss): Ditto.
        (_mm_mask_rsqrt28_round_sd): Ditto.
        (_mm_maskz_rsqrt28_round_sd): Ditto.
        (_mm_mask_rsqrt28_round_ss): Ditto.
        (_mm_maskz_rsqrt28_round_ss): Ditto.
        (_mm_mask_rcp28_sd): Ditto.
        (_mm_maskz_rcp28_sd): Ditto.
        (_mm_mask_rcp28_ss): Ditto.
        (_mm_maskz_rcp28_ss): Ditto.
        (_mm_mask_rsqrt28_sd): Ditto.
        (_mm_maskz_rsqrt28_sd): Ditto.
        (_mm_mask_rsqrt28_ss): Ditto.
        (_mm_maskz_rsqrt28_ss): Ditto.
        * config/i386/avx512fintrin.h (_mm_mask_sqrt_sd): New intrinsics.
        (_mm_maskz_sqrt_sd): Ditto.
        (_mm_mask_sqrt_ss): Ditto.
        (_mm_maskz_sqrt_ss): Ditto.
        (_mm_mask_scalef_sd): Ditto.
        (_mm_maskz_scalef_sd): Ditto.
        (_mm_mask_scalef_ss): Ditto.
        (_mm_maskz_scalef_ss): Ditto.
        (_mm_mask_cvt_roundsd_ss): Ditto.
        (_mm_maskz_cvt_roundsd_ss): Ditto.
        (_mm_mask_cvt_roundss_sd): Ditto.
        (_mm_maskz_cvt_roundss_sd): Ditto.
        (_mm_mask_cvtss_sd): Ditto.
        (_mm_maskz_cvtss_sd): Ditto.
        (_mm_mask_cvtsd_ss): Ditto.
        (_mm_maskz_cvtsd_ss): Ditto.
        (_mm512_cvtsi512_si32): Ditto.
        (_mm_cvtsd_i32): Ditto.
        (_mm_cvtss_i32): Ditto.
        (_mm_cvti32_sd): Ditto.
        (_mm_cvti32_ss): Ditto.
        (_mm_cvtsd_i64): Ditto.
        (_mm_cvtss_i64): Ditto.
        (_mm_cvti64_sd): Ditto.
        (_mm_cvti64_ss): Ditto.
        * config/i386/avx512vlbwintrin.h (_mm256_storeu_epi8): New intrinsics.
        (_mm_storeu_epi8): Ditto.
        (_mm256_loadu_epi16): Ditto.
        (_mm_loadu_epi16): Ditto.
        (_mm256_loadu_epi8): Ditto.
        (_mm_loadu_epi8): Ditto.
        (_mm256_storeu_epi16): Ditto.
        (_mm_storeu_epi16): Ditto.
        * config/i386/avx512vlintrin.h (_mm256_load_epi64): New intrinsics.
        (_mm_load_epi64): Ditto.
        (_mm256_load_epi32): Ditto.
        (_mm_load_epi32): Ditto.
        (_mm256_store_epi32): Ditto.
        (_mm_store_epi32): Ditto.
        (_mm256_loadu_epi64): Ditto.
        (_mm_loadu_epi64): Ditto.
        (_mm256_loadu_epi32): Ditto.
        (_mm_loadu_epi32): Ditto.
        (_mm256_mask_cvt_roundps_ph): Ditto.
        (_mm256_maskz_cvt_roundps_ph): Ditto.
        (_mm_mask_cvt_roundps_ph): Ditto.
        (_mm_maskz_cvt_roundps_ph): Ditto.
        * config/i386/avxintrin.h (_mm256_cvtsi256_si32): New intrinsics.
        * config/i386/emmintrin.h (_mm_loadu_si32): New intrinsics.
        (_mm_loadu_si16): Ditto.
        (_mm_storeu_si32): Ditto.
        (_mm_storeu_si16): Ditto.
        * config/i386/i386-builtin-types.def
        (V8DF_FTYPE_V8DF_INT_V8DF_UQI_INT): Add new type.
        (V16SF_FTYPE_V16SF_INT_V16SF_UHI_INT): Ditto.
        (V4SF_FTYPE_V4SF_V2DF_V4SF_UQI_INT): Ditto.
        (V2DF_FTYPE_V2DF_V4SF_V2DF_UQI_INT): Ditto.
        * config/i386/i386-builtin.def
        (__builtin_ia32_cvtsd2ss_mask_round): New builtin.
        (__builtin_ia32_cvtss2sd_mask_round): Ditto.
        (__builtin_ia32_rcp28sd_mask_round): Ditto.
        (__builtin_ia32_rcp28ss_mask_round): Ditto.
        (__builtin_ia32_rsqrt28sd_mask_round): Ditto.
        (__builtin_ia32_rsqrt28ss_mask_round): Ditto.
        (__builtin_ia32_reducepd512_mask_round): Ditto.
        (__builtin_ia32_reduceps512_mask_round): Ditto.
        (__builtin_ia32_reducesd_mask_round): Ditto.
        (__builtin_ia32_reducess_mask_round): Ditto.
        * config/i386/i386-expand.c
        (ix86_expand_round_builtin): Expand round builtin for new type.
        (V8DF_FTYPE_V8DF_INT_V8DF_UQI_INT)
        (V16SF_FTYPE_V16SF_INT_V16SF_UHI_INT)
        (V4SF_FTYPE_V4SF_V2DF_V4SF_UQI_INT)
        (V2DF_FTYPE_V2DF_V4SF_V2DF_UQI_INT)
        * config/i386/mmintrin.h ()
        Define datatype __m32 and __m16.
        Define datatype __m32_u and __m16_u.
        * config/i386/sse.md: Adjust pattern.
        (<mask_codefor>reducep<mode><mask_name><round_saeonly_name>): Adjust.
        (reduces<mode><mask_scalar_name><round_saeonly_scalar_name>): Ditto.
        (sse2_cvtsd2ss<mask_name><round_name>): Ditto.
        (sse2_cvtss2sd<mask_name><round_saeonly_name>): Ditto.
        (avx512er_vmrcp28<mode><mask_name><round_saeonly_name>): Ditto.
        (avx512er_vmrsqrt28<mode><mask_name><round_saeonly_name>): Ditto.

2020-10-14  Olivier Hainque  <hainque@adacore.com>

        * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Fix
        the VX_CPU selection for -mcpu=xscale on arm-vxworks.

2020-10-14  Olivier Hainque  <hainque@adacore.com>

        * config/rs6000/vxworks.h (TARGET_OS_CPP_BUILTINS): Accommodate
        expectations from different versions of VxWorks, for 32 or 64bit
        configurations.

2020-10-14  Olivier Hainque  <hainque@adacore.com>

        * config/vxworks.h: #undef CPLUSPLUS_CPP_SPEC.

2020-10-14  Olivier Hainque  <hainque@adacore.com>

        * config/t-vxworks: Adjust the VxWorks alternative LIMITS_H guard
        for glimits.h, make it both closer to the previous one and easier to
        search for.

2020-10-14  Jakub Jelinek  <jakub@redhat.com>

        PR target/97387
        * config/i386/i386.md (CC_CCC): New mode iterator.
        (*setcc_qi_addqi3_cconly_overflow_1_<mode>): New
        define_insn_and_split.
        * config/i386/i386.c (ix86_cc_mode): Return CCCmode
        for *setcc_qi_addqi3_cconly_overflow_1_<mode> pattern operands.
        (ix86_rtx_costs): Return true and *total = 0;
        for *setcc_qi_addqi3_cconly_overflow_1_<mode> pattern.  Use op0 and
        op1 temporaries to simplify COMPARE checks.

2020-10-14  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/97396
        * gimple-range.cc (gimple_ranger::range_of_phi): Do not call
        range_of_ssa_name_with_loop_info with the loop tree root.

2020-10-14  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_get_and_check_slp_defs): Split out
        test for compatible operand types.

2020-10-14  Olivier Hainque  <hainque@adacore.com>

        * config/vxworks.c (vxworks_override_options): Guard pic checks with
        flag_pic > 0 instead of just flag_pic.

2020-10-14  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-fnsummary.c (remap_edge_summaries): Make offset_map HOST_WIDE_INT.
        (remap_freqcounting_predicate): Likewise.
        (ipa_merge_fn_summary_after_inlining): Likewise.
        * ipa-predicate.c (predicate::remap_after_inlining): Likewise
        * ipa-predicate.h (remap_after_inlining): Update.

2020-10-14  Jan Hubicka  <jh@suse.cz>

        * ipa-modref.c (compute_parm_map): Handle POINTER_PLUS_EXPR in
        PASSTHROUGH.

2020-10-14  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_get_and_check_slp_defs): Move
        check for duplicate/interleave of variable size constants
        to a place done once and early.
        (vect_build_slp_tree_2): Adjust heuristics when to build
        a BB SLP node from scalars.

2020-10-14  Tom de Vries  <tdevries@suse.de>

        * tracer.c (cached_can_duplicate_bb_p, analyze_bb): Use
        can_duplicate_block_p.
        (can_duplicate_insn_p, can_duplicate_bb_no_insn_iter_p)
        (can_duplicate_bb_p): Move and merge ...
        * tree-cfg.c (gimple_can_duplicate_bb_p): ... here.

2020-10-14  Jan Hubicka  <hubicka@ucw.cz>

        * doc/invoke.texi: (ipa-jump-function-lookups): Document param.
        * ipa-modref.c (merge_call_side_effects): Use
        unadjusted_ptr_and_unit_offset.
        * ipa-prop.c (unadjusted_ptr_and_unit_offset): New function.
        * ipa-prop.h (unadjusted_ptr_and_unit_offset): Declare.
        * params.opt: (-param-ipa-jump-function-lookups): New.

2020-10-14  Jan Hubicka  <jh@suse.cz>

        PR bootstrap/97350
        * ipa-modref.c (ignore_edge): Do not ignore inlined edes.
        (ipa_merge_modref_summary_after_inlining): Improve debug output and
        fix parameter of ignore_stores_p.

2020-10-14  Kito Cheng  <kito.cheng@sifive.com>

        PR target/96759
        * expr.c (expand_assignment): Handle misaligned stores with PARALLEL
        value.

2020-10-13  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/97386
        * combine.c (simplify_shift_const_1): Don't optimize nested ROTATEs if
        they have different modes.

2020-10-13  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/97379
        * gimple-range-edge.cc (outgoing_range::calc_switch_ranges): Do
        not save hash slot across calls to hash_table<>::get_or_insert.

2020-10-13  Tobias Burnus  <tobias@codesourcery.com>

        * lto-wrapper.c (find_crtoffloadtable): Fix last commit
        by adding NULL as last argument to concat.

2020-10-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (neoversen2_tunings): Define.
        * config/aarch64/aarch64-cores.def (neoverse-n2): Use it.

2020-10-13  Tobias Burnus  <tobias@codesourcery.com>

        * lto-wrapper.c (find_crtoffloadtable): With -save-temps,
        use non-temp file name utilizing the dump prefix.
        (run_gcc): Update call.

2020-10-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97382
        * tree-vectorizer.h (_stmt_vec_info::same_align_refs): Remove.
        (STMT_VINFO_SAME_ALIGN_REFS): Likewise.
        * tree-vectorizer.c (vec_info::new_stmt_vec_info): Do not
        allocate STMT_VINFO_SAME_ALIGN_REFS.
        (vec_info::free_stmt_vec_info): Do not release
        STMT_VINFO_SAME_ALIGN_REFS.
        * tree-vect-data-refs.c (vect_analyze_data_ref_dependences):
        Do not compute self and read-read dependences.
        (vect_dr_aligned_if_related_peeled_dr_is): New helper.
        (vect_dr_aligned_if_peeled_dr_is): Likewise.
        (vect_update_misalignment_for_peel): Use it instead of
        iterating over STMT_VINFO_SAME_ALIGN_REFS.
        (dr_align_group_sort_cmp): New function.
        (vect_enhance_data_refs_alignment): Count the number of
        same aligned refs here and elide uses of STMT_VINFO_SAME_ALIGN_REFS.
        (vect_find_same_alignment_drs): Remove.
        (vect_analyze_data_refs_alignment): Do not call it.
        * vec.h (auto_vec<T, 0>::auto_vec): Adjust CTOR to take
        a vec<>&&, assert it isn't using auto storage.
        (auto_vec& operator=): Apply a similar change.

2020-10-13  Tobias Burnus  <tobias@codesourcery.com>

        * config/nvptx/mkoffload.c (main): Add missing fclose (in).

2020-10-13  Zhiheng Xie  <xiezhiheng@huawei.com>
            Nannan Zheng  <zhengnannan@huawei.com>

        * config/aarch64/aarch64-simd-builtins.def: Add proper FLAG
        for mul/mla/mls intrinsics.

2020-10-13  Jakub Jelinek  <jakub@redhat.com>

        * omp-low.c (add_taskreg_looptemp_clauses): For triangular loops
        with non-constant number of iterations add another 4 _looptemp_
        clauses before the (optional) one for lastprivate.
        (lower_omp_for_lastprivate): Skip those clauses when looking for
        the lastprivate clause.
        (lower_omp_for): For triangular loops with non-constant number of
        iterations add another 4 _looptemp_ clauses.
        * omp-expand.c (expand_omp_for_init_counts): For triangular loops
        with non-constant number of iterations set counts[0],
        fd->first_inner_iterations, fd->factor and fd->adjn1 from the newly
        added _looptemp_ clauses.
        (expand_omp_for_init_vars): Initialize the newly added _looptemp_
        clauses.
        (find_lastprivate_looptemp): New function.
        (expand_omp_for_static_nochunk, expand_omp_for_static_chunk,
        expand_omp_taskloop_for_outer): Use it instead of manually skipping
        _looptemp_ clauses.

2020-10-13  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/97389
        * ipa-modref.c (dump_lto_records): Fix formating of dump file.
        (modref_summary::dump): Do not check loads to be non-null.
        (modref_summary_lto::dump): Do not check loads to be non-null.
        (merge_call_side_effects): Improve debug output.
        (analyze_call): Crash when cur_summary->loads is NULL.
        (analyze_function): Update.
        (modref_summaries::insert): Insert only into summaries, not
        optimization_summaries.
        (modref_summaries::duplicate): Likewise; crash when load or sotres
        are NULL.
        (modref_summaries_lto::duplicate): Crash when loads or stores are NULL.
        (write_modref_records): param_index is signed.
        (read_modref_records): param_index is signed.
        (modref_write): Crash when loads or stores are NULL.
        (read_section): Compensate previous change.
        (pass_modref::execute): Do not check optimization_summaries t be
        non-NULL.
        (ignore_edge): Fix.
        (compute_parm_map): Fix formating.
        (modref_propagate_in_scc): Do not expect loads/stores to be NULL.

2020-10-12  Alexandre Oliva  <oliva@adacore.com>

        * builtins.c (mathfn_built_in_type): Use CFN_ enumerators.

2020-10-12  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/97381
        * gimple-range-gori.cc (gori_compute::compute_operand2_range): If a range cannot be
        calculated through operand 2, return false.

2020-10-12  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/97378
        * range-op.cc (operator_trunc_mod::wi_fold): Return VARYING for mod by zero.

2020-10-12  David Malcolm  <dmalcolm@redhat.com>

        * doc/invoke.texi: Document -Wanalyzer-write-to-const and
        -Wanalyzer-write-to-string-literal.

2020-10-12  Martin Sebor  <msebor@redhat.com>

        PR middle-end/97342
        PR middle-end/97023
        PR middle-end/96384
        * builtins.c (access_ref::access_ref): Initialize new member.  Use
        new enum.
        (access_ref::size_remaining): Define new member function.
        (inform_access): Handle expressions referencing objects.
        (gimple_call_alloc_size): Call get_size_range instead of get_range.
        (gimple_call_return_array): New function.
        (get_range): Rename...
        (get_offset_range): ...to this.  Improve detection of ranges from
        types of expressions.
        (gimple_call_return_array): Adjust calls to get_range per above.
        (compute_objsize): Same.  Set maximum size or offset instead of
        failing for unknown objects and handle more kinds of expressions.
        (compute_objsize): Call access_ref::size_remaining.
        (compute_objsize): Have transitional wrapper fail for pointers
        into unknown objects.
        (expand_builtin_strncmp): Call access_ref::size_remaining and
        handle new cases.
        * builtins.h (access_ref::size_remaining): Declare new member function.
        (access_ref::set_max_size_range): Define new member function.
        (access_ref::add_ofset, access_ref::add_max_ofset): Same.
        (access_ref::add_base0): New data member.
        * calls.c (get_size_range): Change argument type.  Handle new
        condition.
        * calls.h (get_size_range): Adjust signature.
        (enum size_range_flags): Define new type.
        * gimple-ssa-warn-restrict.c (builtin_memref::builtin_memref): Correct
        argument to get_size_range.
        * tree-ssa-strlen.c (get_range): Handle anti-ranges.
        (maybe_warn_overflow): Check DECL_P before assuming it's one.

2020-10-12  Martin Sebor  <msebor@redhat.com>

        PR c++/96511
        PR middle-end/96384
        * builtins.c (get_range): Return full range of type when neither
        value nor its range is available.  Fail for ranges inverted due
        to the signedness of offsets.
        (compute_objsize): Handle more special array members.  Handle
        POINTER_PLUS_EXPR and VIEW_CONVERT_EXPR that come up in front end
        code.
        (access_ref::offset_bounded): Define new member function.
        * builtins.h (access_ref::eval): New data member.
        (access_ref::offset_bounded): New member function.
        (access_ref::offset_zero): New member function.
        (compute_objsize): Declare a new overload.
        * gimple-array-bounds.cc (array_bounds_checker::check_array_ref): Use
        enum special_array_member.
        * tree.c (component_ref_size): Use special_array_member.
        * tree.h (special_array_member): Define a new type.
        (component_ref_size): Change signature.

2020-10-12  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-modref.c (modref_summaries): Remove field IPA.
        (class modref_summary_lto): New global variable.
        (class modref_summaries_lto): New.
        (modref_summary::modref_summary): Remove loads_lto and stores_lto.
        (modref_summary::~modref_summary): Remove loads_lto and stores_lto.
        (modref_summary::useful_p): Do not use lto_useful.
        (modref_records_lto): New typedef.
        (struct modref_summary_lto): New type.
        (modref_summary_lto::modref_summary_lto): New member function.
        (modref_summary_lto::~modref_summary_lto): New member function.
        (modref_summary_lto::useful_p): New member function.
        (modref_summary::dump): Do not handle lto.
        (modref_summary_lto::dump): New member function.
        (get_modref_function_summary): Use optimization_summary.
        (merge_call_side_effects): Use optimization_summary.
        (analyze_call): Use optimization_summary.
        (struct summary_ptrs): New struture.
        (analyze_load): Update to handle separate lto and non-lto summaries.
        (analyze_store): Likewise.
        (analyze_stmt): Likewise.
        (remove_summary): Break out from ...
        (analyze_function): ... here; update to handle seprated summaries.
        (modref_summaries::insert): Do not handle lto summary.
        (modref_summaries_lto::insert): New member function.
        (modref_summaries::duplicate): Do not handle lto summary.
        (modref_summaries_lto::duplicate): New member function.
        (read_modref_records): Expect nolto_ret or lto_ret to be NULL>
        (modref_write): Write lto summary.
        (read_section): Handle separated summaries.
        (modref_read): Initialize separated summaries.
        (modref_transform): Handle separated summaries.
        (pass_modref::execute): Turn summary to optimization_summary; handle
        separate summaries.
        (ignore_edge): Handle separate summaries.
        (ipa_merge_modref_summary_after_inlining): Likewise.
        (collapse_loads): Likewise.
        (modref_propagate_in_scc): Likewise.
        (pass_ipa_modref::execute): Likewise.
        (ipa_modref_c_finalize): Likewise.
        * ipa-modref.h (modref_records_lto): Remove typedef.
        (struct modref_summary): Remove stores_lto, loads_lto and finished
        fields; remove lto_useful_p member function.

2020-10-12  Richard Biener  <rguenther@suse.de>

        * tree-vect-data-refs.c (vect_slp_analyze_instance_dependence):
        Use SLP_TREE_REPRESENTATIVE.
        * tree-vectorizer.h (_slp_tree::vertex): New member used
        for graphds interfacing.
        * tree-vect-slp.c (vect_build_slp_tree_2): Allocate space
        for PHI SLP children.
        (vect_analyze_slp_backedges): New function filling in SLP
        node children for PHIs that correspond to backedge values.
        (vect_analyze_slp): Call vect_analyze_slp_backedges for the
        graph.
        (vect_slp_analyze_node_operations): Deal with a cyclic graph.
        (vect_schedule_slp_instance): Likewise.
        (vect_schedule_slp): Likewise.
        (slp_copy_subtree): Remove.
        (vect_slp_rearrange_stmts): Likewise.
        (vect_attempt_slp_rearrange_stmts): Likewise.
        (vect_slp_build_vertices): New functions.
        (vect_slp_permute): Likewise.
        (vect_slp_perms_eq): Likewise.
        (vect_optimize_slp): Remove special code to elide
        permutations with SLP reductions.  Implement generic
        permute optimization.

2020-10-12  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/arm/arm.c (arm_preferred_simd_mode): Use E_FOOmode
        instead of FOOmode.

2020-10-12  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/97079
        * internal-fn.c (internal_fn_stored_value_index): Handle also
        .MASK_STORE_LANES.
        * tree-vect-patterns.c (vect_recog_over_widening_pattern): Bail
        out for unsupported TREE_TYPE.

2020-10-12  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_bb_partition_graph_r): Use visited
        hash-map.
        (vect_bb_partition_graph): Likewise.

2020-10-12  Duan bo  <duanbo3@huawei.com>

        PR target/96757
        * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Add
        the identification and handling of the dropped situation in the
        cond expression processing phase.

2020-10-12  Tobias Burnus  <tobias@codesourcery.com>

        * doc/invoke.texi (nvptx's -misa): Update default to sm_35.

2020-10-12  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/97349
        * config/aarch64/arm_neon.h (vdupq_n_p8, vdupq_n_p16,
        vdupq_n_p64, vdupq_n_s8, vdupq_n_s16, vdupq_n_u8, vdupq_n_u16):
        Fix argument type.

2020-10-12  Ilya Leoshkevich  <iii@linux.ibm.com>

        * config/s390/s390-protos.h (s390_build_signbit_mask): New
        function.
        * config/s390/s390.c (s390_contiguous_bitmask_vector_p):
        Bitcast the argument to an integral mode.
        (s390_expand_vec_init): Do not call
        s390_contiguous_bitmask_vector_p with a scalar argument.
        (s390_build_signbit_mask): New function.
        * config/s390/vector.md (copysign<mode>3): Use bitwise
        operations.

2020-10-12  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/97371
        * range-op.cc (operator_rshift::op1_range): Ignore shifts larger than
        or equal to type precision.

2020-10-12  Martin Liska  <mliska@suse.cz>

        * ipa-modref.c (merge_call_side_effects): Clear modref_parm_map
        fields in the vector.

2020-10-12  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_analyze_slp_instance): Set matches to true
        after successful discovery but forced split.

2020-10-12  Tom de Vries  <tdevries@suse.de>

        * config/nvptx/nvptx.opt (-msoft-stack-reserve-local): Rename to ...
        (-msoft-stack-reserve-local=): ... this.

2020-10-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97357
        * tree-ssa-loop-split.c (ssa_semi_invariant_p): Abnormal
        SSA names are not semi invariant.

2020-10-11  Iain Sandoe  <iain@sandoe.co.uk>

        * config/darwin.c (darwin_globalize_label): Make a subset of
        metadate symbols global.
        (darwin_label_is_anonymous_local_objc_name): Make a subset of
        metadata symbols linker-visible.
        (darwin_override_options): Track more target OS versions, make
        the next_runtime version track this (unless it's set to 0 for
        GNU runtime).

2020-10-11  Iain Sandoe  <iain@sandoe.co.uk>

        * config/darwin.c (darwin_globalize_label): Add protocol
        meta-data labels to the set that are global.
        (darwin_label_is_anonymous_local_objc_name): Arrange for meta-
        data start labels to be linker-visible.

2020-10-11  Iain Sandoe  <iain@sandoe.co.uk>

        * config/darwin.c (darwin_objc2_section): Allow for
        values > 1 to represent the next runtime.
        (darwin_objc1_section): Likewise.
        * config/darwin.h (NEXT_OBJC_RUNTIME): Set the default
        next runtime value to be 10.5.8.

2020-10-10  Jan Hubicka  <jh@suse.cz>

        * ipa-modref.c (modref_transform): Fix parameter map computation.

2020-10-10  Tom de Vries  <tdevries@suse.de>

        PR target/97318
        * config/nvptx/nvptx.c (nvptx_replace_dot): New function.
        (write_fn_proto, write_fn_proto_from_insn, nvptx_output_call_insn):
        Use nvptx_replace_dot.

2020-10-10  Tom de Vries  <tdevries@suse.de>

        * config/nvptx/nvptx.c (write_fn_proto_1): New function, factored out
        of ...
        (write_fn_proto): ... here.  Return void.

2020-10-10  Jan Hubicka  <jh@suse.cz>

        * ipa-modref.c (remap_arguments): Check range in map access.

2020-10-10  Jan Hubicka  <jh@suse.cz>

        * ipa-modref.c (modref_transform): Use reserve instead of safe_grow.

2020-10-10  Jan Hubicka  <jh@suse.cz>

        * ipa-modref.c (modref_transform): Check that summaries are allocated.

2020-10-10  Jan Hubicka  <jh@suse.cz>

        * ipa-modref-tree.h (struct modref_tree): Revert prevoius change.
        * ipa-modref.c (analyze_function): Dump original summary.
        (modref_read): Only set IPA if streaming summary (not optimization
        summary).
        (remap_arguments): New function.
        (modref_transform): New function.
        (compute_parm_map): Fix offset calculation.
        (ipa_merge_modref_summary_after_inlining): Do not merge stores when
        they can be ignored.

2020-10-10  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Improve debug dumps.
        (call_may_clobber_ref_p_1): Improve debug dumps.

2020-10-10  Iain Sandoe  <iain@sandoe.co.uk>

        * config/darwin.c (output_objc_section_asm_op): Avoid extra
        objective-c section switches unless the linker needs them.

2020-10-10  Iain Sandoe  <iain@sandoe.co.uk>

        * config/darwin-sections.def (objc2_data_section): New.
        (objc2_ivar_section): New.
        * config/darwin.c (darwin_objc2_section): Act on Protocol and
        ivar refs.

2020-10-10  Iain Sandoe  <iain@sandoe.co.uk>

        * config/darwin-sections.def (objc2_class_names_section,
        objc2_method_names_section, objc2_method_types_section): New
        * config/darwin.c (output_objc_section_asm_op): Output new
        sections.  (darwin_objc2_section): Select new sections where
        used.

2020-10-10  Iain Sandoe  <iain@sandoe.co.uk>

        * config/darwin.c (darwin_emit_local_bss): Amend section names to
        match system tools. (darwin_output_aligned_bss): Likewise.

2020-10-10  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/97359
        * gimple-range-gori.cc (logical_stmt_cache::cacheable_p): Only
        handle ANDs and ORs.
        (gori_compute_cache::cache_stmt): Adjust comment.

2020-10-09  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/97313
        * lra-constraints.c (match_reload): Don't keep strict_low_part in
        reloads for non-registers.

2020-10-09  H.J. Lu  <hjl.tools@gmail.com>

        PR target/97148
        * config.gcc (extra_headers): Add x86gprintrin.h.
        * config/i386/adxintrin.h: Check _X86GPRINTRIN_H_INCLUDED for
        <x86gprintrin.h>.
        * config/i386/bmi2intrin.h: Likewise.
        * config/i386/bmiintrin.h: Likewise.
        * config/i386/cetintrin.h: Likewise.
        * config/i386/cldemoteintrin.h: Likewise.
        * config/i386/clflushoptintrin.h: Likewise.
        * config/i386/clwbintrin.h: Likewise.
        * config/i386/enqcmdintrin.h: Likewise.
        * config/i386/fxsrintrin.h: Likewise.
        * config/i386/ia32intrin.h: Likewise.
        * config/i386/lwpintrin.h: Likewise.
        * config/i386/lzcntintrin.h: Likewise.
        * config/i386/movdirintrin.h: Likewise.
        * config/i386/pconfigintrin.h: Likewise.
        * config/i386/pkuintrin.h: Likewise.
        * config/i386/rdseedintrin.h: Likewise.
        * config/i386/rtmintrin.h: Likewise.
        * config/i386/serializeintrin.h: Likewise.
        * config/i386/tbmintrin.h: Likewise.
        * config/i386/tsxldtrkintrin.h: Likewise.
        * config/i386/waitpkgintrin.h: Likewise.
        * config/i386/wbnoinvdintrin.h: Likewise.
        * config/i386/xsavecintrin.h: Likewise.
        * config/i386/xsaveintrin.h: Likewise.
        * config/i386/xsaveoptintrin.h: Likewise.
        * config/i386/xsavesintrin.h: Likewise.
        * config/i386/xtestintrin.h: Likewise.
        * config/i386/immintrin.h: Include <x86gprintrin.h> instead of
        <fxsrintrin.h>, <xsaveintrin.h>, <xsaveoptintrin.h>,
        <xsavesintrin.h>, <xsavecintrin.h>, <lzcntintrin.h>,
        <bmiintrin.h>, <bmi2intrin.h>, <xtestintrin.h>, <cetintrin.h>,
        <movdirintrin.h>, <sgxintrin.h, <pconfigintrin.h>,
        <waitpkgintrin.h>, <cldemoteintrin.h>, <enqcmdintrin.h>,
        <serializeintrin.h>, <tsxldtrkintrin.h>, <adxintrin.h>,
        <clwbintrin.h>, <clflushoptintrin.h>, <wbnoinvdintrin.h> and
        <pkuintrin.h>.
        (_wbinvd): Moved to config/i386/x86gprintrin.h.
        (_rdrand16_step): Likewise.
        (_rdrand32_step): Likewise.
        (_rdpid_u32): Likewise.
        (_readfsbase_u32): Likewise.
        (_readfsbase_u64): Likewise.
        (_readgsbase_u32): Likewise.
        (_readgsbase_u64): Likewise.
        (_writefsbase_u32): Likewise.
        (_writefsbase_u64): Likewise.
        (_writegsbase_u32): Likewise.
        (_writegsbase_u64): Likewise.
        (_rdrand64_step): Likewise.
        (_ptwrite64): Likewise.
        (_ptwrite32): Likewise.
        * config/i386/x86gprintrin.h: New file.
        * config/i386/x86intrin.h: Include <x86gprintrin.h>.  Don't
        include <ia32intrin.h>, <lwpintrin.h>, <tbmintrin.h>,
        <popcntintrin.h>, <mwaitxintrin.h> and <clzerointrin.h>.

2020-10-09  Tom de Vries  <tdevries@suse.de>

        PR target/97348
        * config/nvptx/nvptx.h (ASM_SPEC): Also pass -m to nvptx-as if
        default is used.
        * config/nvptx/nvptx.opt (misa): Init with PTX_ISA_SM35.

2020-10-09  Richard Biener  <rguenther@suse.de>

        * doc/sourcebuild.texi (vect_masked_load): Document.

2020-10-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97334
        * tree-vect-slp.c (vect_build_slp_tree_1): Do not fatally
        fail lanes other than zero when BB vectorizing.

2020-10-09  Jan Hubicka  <jh@suse.cz>

        PR ipa/97292
        PR ipa/97335
        * ipa-modref-tree.h (copy_from): Drop summary in a
        clone.

2020-10-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97347
        * tree-vect-slp.c (vect_create_constant_vectors): Use
        edge insertion when inserting on the fallthru edge,
        appropriately insert at the start of BBs when inserting
        after PHIs.

2020-10-09  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/97317
        * range-op.cc (operator_cast::op1_range): Handle casts where the precision
        of the RHS is only 1 greater than the precision of the LHS.

2020-10-09  Richard Biener  <rguenther@suse.de>

        * cgraphunit.c (expand_all_functions): Free tp_first_run_order.
        * ipa-modref.c (pass_ipa_modref::execute): Free order.
        * tree-ssa-loop-niter.c (estimate_numbers_of_iterations): Free
        loop body.
        * tree-vect-data-refs.c (vect_find_stmt_data_reference): Free
        data references upon failure.
        * tree-vect-loop.c (update_epilogue_loop_vinfo): Free BBs
        array of the original loop.
        * tree-vect-slp.c (vect_slp_bbs): Use an auto_vec for
        dataref_groups to release its memory.

2020-10-09  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/94801
        PR target/97312
        * vr-values.c (vr_values::extract_range_basic) <CASE_CFN_CLZ,
        CASE_CFN_CTZ>: When stmt is not an internal-fn call or
        C?Z_DEFINED_VALUE_AT_ZERO is not 2, assume argument is not zero
        and thus use [0, prec-1] range unless it can be further improved.
        For CTZ, don't update maxi from upper bound if it was previously prec.
        * gimple-range.cc (gimple_ranger::range_of_builtin_call) <CASE_CFN_CLZ,
        CASE_CFN_CTZ>: Likewise.

2020-10-09  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/97325
        * match.pd (FFS(nonzero) -> CTZ(nonzero) + 1): Cast argument to
        corresponding unsigned type.

2020-10-09  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_create_constant_vectors): Properly insert
        after PHIs.

2020-10-08  Alexandre Oliva  <oliva@adacore.com>

        * builtins.c (mathfn_built_in_type): New.
        * builtins.h (mathfn_built_in_type): Declare.
        * tree-ssa-math-opts.c (execute_cse_sincos_1): Use it to
        obtain the type expected by the intrinsic.

2020-10-08  Will Schmidt  <will_schmidt@vnet.ibm.com>

        * config/rs6000/rs6000-builtin.def (BU_P10_MISC_2): Rename
        to BU_P10_POWERPC64_MISC_2.
        CFUGED, CNTLZDM, CNTTZDM, PDEPD, PEXTD): Call renamed macro.

2020-10-08  Jan Hubicka  <jh@suse.cz>

        * tree-nrv.c (dest_safe_for_nrv_p): Disable tbaa in
        call_may_clobber_ref_p and ref_maybe_used_by_stmt_p.
        * tree-tailcall.c (find_tail_calls): Likewise.
        * tree-ssa-alias.c (call_may_clobber_ref_p): Add tbaa_p parameter.
        * tree-ssa-alias.h (call_may_clobber_ref_p): Update prototype.
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Pass data->tbaa_p
        to call_may_clobber_ref_p_1.

2020-10-08  Mark Wielaard  <mark@klomp.org>

        * dwarf2out.c (dwarf2out_finish): Emit .file 0 entry when
        generating DWARF5 .debug_line table through gas.

2020-10-08  John Henning  <john.henning@oracle.com>

        PR other/97309
        * doc/invoke.texi: Improve documentation of
        -fallow-store-data-races.

2020-10-08  Christophe Lyon  <christophe.lyon@linaro.org>

        PR target/96914
        * config/arm/arm_mve.h (__arm_vcvtnq_u32_f32): New.

2020-10-08  Martin Liska  <mliska@suse.cz>
            Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (_bb_vec_info::const_iterator): Remove.
        (_bb_vec_info::const_reverse_iterator): Likewise.
        (_bb_vec_info::region_stmts): Likewise.
        (_bb_vec_info::reverse_region_stmts): Likewise.
        (_bb_vec_info::_bb_vec_info): Adjust.
        (_bb_vec_info::bb): Remove.
        (_bb_vec_info::region_begin): Remove.
        (_bb_vec_info::region_end): Remove.
        (_bb_vec_info::bbs): New vector of BBs.
        (vect_slp_function): Declare.
        * tree-vect-patterns.c (vect_determine_precisions): Use
        regular stmt iteration.
        (vect_pattern_recog): Likewise.
        * tree-vect-slp.c: Include cfganal.h, tree-eh.h and tree-cfg.h.
        (vect_build_slp_tree_1): Properly refuse to vectorize
        volatile and throwing stmts.
        (vect_build_slp_tree_2): Pass group-size down to
        get_vectype_for_scalar_type.
        (_bb_vec_info::_bb_vec_info): Use regular stmt iteration,
        adjust for changed region specification.
        (_bb_vec_info::~_bb_vec_info): Likewise.
        (vect_slp_check_for_constructors): Likewise.
        (vect_slp_region): Likewise.
        (vect_slp_bbs): New worker operating on a vector of BBs.
        (vect_slp_bb): Wrap it.
        (vect_slp_function): New function splitting the function
        into multi-BB regions.
        (vect_create_constant_vectors): Handle the case of inserting
        after a throwing def.
        (vect_schedule_slp_instance): Adjust.
        * tree-vectorizer.c (vec_info::remove_stmt): Simplify again.
        (vec_info::insert_seq_on_entry): Adjust.
        (pass_slp_vectorize::execute): Also init PHIs.  Call
        vect_slp_function.

2020-10-08  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97330
        * tree-ssa-sink.c (statement_sink_location): Avoid skipping
        PHIs when they dominate the insert location.

2020-10-08  Jan Hubicka  <jh@suse.cz>

        * ipa-modref.c (get_access): Fix handling of offsets.
        * tree-ssa-alias.c (modref_may_conflict): Watch for overflows.

2020-10-08  Martin Liska  <mliska@suse.cz>

        * dbgcnt.def (DEBUG_COUNTER): Add ipa_mod_ref debug counter.
        * tree-ssa-alias.c (modref_may_conflict): Handle the counter.

2020-10-08  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.c (try_vectorize_loop_1): Do not dump
        "basic block vectorized".
        (pass_slp_vectorize::execute): Likewise.
        * tree-vect-slp.c (vect_analyze_slp_instance): Avoid
        re-analyzing split single stmts.

2020-10-08  Christophe Lyon  <christophe.lyon@linaro.org>

        PR target/96914
        * config/arm/arm_mve.h (vqrdmlashq_n_u8, vqrdmlashq_n_u16)
        (vqrdmlashq_n_u32, vqrdmlahq_n_u8, vqrdmlahq_n_u16)
        (vqrdmlahq_n_u32, vqdmlahq_n_u8, vqdmlahq_n_u16, vqdmlahq_n_u32)
        (vmlaldavaxq_p_u16, vmlaldavaxq_p_u32): Remove.
        * config/arm/arm_mve_builtins.def (vqrdmlashq_n_u, vqrdmlahq_n_u)
        (vqdmlahq_n_u, vmlaldavaxq_p_u): Remove.
        * config/arm/unspecs.md (VQDMLAHQ_N_U, VQRDMLAHQ_N_U)
        (VQRDMLASHQ_N_U)
        (VMLALDAVAXQ_P_U): Remove unspecs.
        * config/arm/iterators.md (VQDMLAHQ_N_U, VQRDMLAHQ_N_U)
        (VQRDMLASHQ_N_U, VMLALDAVAXQ_P_U): Remove attributes.
        (VQDMLAHQ_N, VQRDMLAHQ_N, VQRDMLASHQ_N, VMLALDAVAXQ_P): Remove
        unsigned variants from iterators.
        * config/arm/mve.md (mve_vqdmlahq_n_<supf><mode>)
        (mve_vqrdmlahq_n_<supf><mode>)
        (mve_vqrdmlashq_n_<supf><mode>, mve_vmlaldavaxq_p_<supf><mode>):
        Update comment.

2020-10-08  Christophe Lyon  <christophe.lyon@linaro.org>

        PR target/96914
        * config/arm/arm_mve.h (vqdmlashq, vqdmlashq_m): Define.
        * config/arm/arm_mve_builtins.def (vqdmlashq_n_s)
        (vqdmlashq_m_n_s,): New.
        * config/arm/unspecs.md (VQDMLASHQ_N_S, VQDMLASHQ_M_N_S): New
        unspecs.
        * config/arm/iterators.md (VQDMLASHQ_N_S, VQDMLASHQ_M_N_S): New
        attributes.
        (VQDMLASHQ_N): New iterator.
        * config/arm/mve.md (mve_vqdmlashq_n_, mve_vqdmlashq_m_n_s): New
        patterns.

2020-10-08  Jakub Jelinek  <jakub@redhat.com>

        PR target/97322
        * config/arm/arm.c (arm_expand_divmod_libfunc): Pass mode instead of
        GET_MODE (op0) or GET_MODE (op1) to emit_library_call_value.

2020-10-08  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/97325
        * gimple-range.cc (gimple_ranger::range_of_builtin_call): Handle
        negative numbers in __builtin_ffs and __builtin_popcount.

2020-10-08  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/97315
        * range-op.cc (value_range_with_overflow): Change any
        non-overflow calculation in which both bounds are
        overflow/underflow to be undefined.

2020-10-08  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/97315
        * gimple-ssa-evrp.c (hybrid_folder::choose_value): Removes the
        trap and instead annotates the listing.

2020-10-08  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/97294
        * tree-cfg.c (move_block_to_fn): Call notice_special_calls on
        call stmts being moved into dest_cfun.
        * omp-low.c (lower_rec_input_clauses): Set cfun->calls_alloca when
        adding __builtin_alloca_with_align call without gimplification.

2020-10-07  Aldy Hernandez  <aldyh@redhat.com>

        * common.opt (-fevrp-mode): Rename and move...
        * params.opt (--param=evrp-mode): ...here.
        * gimple-range.h (DEBUG_RANGE_CACHE): Use param_evrp_mode instead
        of flag_evrp_mode.
        * gimple-ssa-evrp.c (rvrp_folder): Same.
        (hybrid_folder): Same.
        (execute_early_vrp): Same.

2020-10-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97307
        * tree-ssa-sink.c (statement_sink_location): Change heuristic
        for not skipping stores to look for virtual definitions
        rather than uses.

2020-10-07  Andrew MacLeod  <amacleod@redhat.com>

        * value-range.h (irange_allocator::allocate): Allocate in two hunks
        instead of using the variably-sized trailing array approach.

2020-10-07  David Malcolm  <dmalcolm@redhat.com>

        * doc/invoke.texi (-fdiagnostics-plain-output): Add
        -fdiagnostics-path-format=separate-events to list of
        options injected by -fdiagnostics-plain-output.
        * opts-common.c (decode_cmdline_options_to_array): Likewise.

2020-10-07  Martin Jambor  <mjambor@suse.cz>

        PR ipa/96394
        * ipa-prop.c (update_indirect_edges_after_inlining): Do not add
        resolved speculation edges to vector of new direct edges even in
        presence of multiple speculative direct edges for a single call.

2020-10-07  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn.md (unspec): Add UNSPEC_ADDPTR.
        (addptrdi3): Add SGPR alternative.

2020-10-07  Mark Wielaard  <mark@klomp.org>

        * dwarf2out.c (add_filepath_AT_string): New function.
        (asm_outputs_debug_line_str): Likewise.
        (add_filename_attribute): Likewise.
        (add_comp_dir_attribute): Call add_filepath_AT_string.
        (gen_compile_unit_die): Call add_filename_attribute for name.
        (init_sections_and_labels): Init debug_line_str_section when
        asm_outputs_debug_line_str return true.
        (dwarf2out_early_finish): Remove DW_AT_name and DW_AT_comp_dir
        hack and call add_filename_attribute for the remap_debug_filename.

2020-10-07  Jakub Jelinek  <jakub@redhat.com>

        * configure.ac (HAVE_AS_GDWARF_5_DEBUG_FLAG,
        HAVE_AS_WORKING_DWARF_4_FLAG): New tests.
        * gcc.c (ASM_DEBUG_DWARF_OPTION): Define.
        (ASM_DEBUG_SPEC): Use ASM_DEBUG_DWARF_OPTION instead of
        "--gdwarf2".  Use %{cond:opt1;:opt2} style.
        (ASM_DEBUG_OPTION_DWARF_OPT): Define.
        (ASM_DEBUG_OPTION_SPEC): Define.
        (asm_debug_option): New variable.
        (asm_options): Add "%(asm_debug_option)".
        (static_specs): Add asm_debug_option entry.
        (static_spec_functions): Add dwarf-version-gt.
        (debug_level_greater_than_spec_func): New function.
        * config/darwin.h (ASM_DEBUG_OPTION_SPEC): Define.
        * config/darwin9.h (ASM_DEBUG_OPTION_SPEC): Redefine.
        * config.in: Regenerated.
        * configure: Regenerated.

2020-10-07  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/97305
        * optc-save-gen.awk: Don't declare mask variable if explicit_mask
        array is not present.

2020-10-07  Jakub Jelinek  <jakub@redhat.com>

        * omp-expand.c (expand_omp_simd): Don't emit MIN_EXPR and PLUS_EXPR
        at the end of entry_bb and innermost init_bb, instead force arguments
        for MIN_EXPR into temporaries in both cases and jump to a new bb that
        performs MIN_EXPR and PLUS_EXPR.

2020-10-07  Tom de Vries  <tdevries@suse.de>

        * tree-ssa-loop-ch.c (ch_base::copy_headers): Add missing NULL test
        for dump_file.

2020-10-06  Andrew MacLeod  <amacleod@redhat.com>

        * flag-types.h (enum evrp_mode): New enumerated type EVRP_MODE_*.
        * common.opt (fevrp-mode): New undocumented flag.
        * gimple-ssa-evrp.c: Include gimple-range.h
        (class rvrp_folder): EVRP folding using ranger exclusively.
        (rvrp_folder::rvrp_folder): New.
        (rvrp_folder::~rvrp_folder): New.
        (rvrp_folder::value_of_expr): New.  Use rangers value_of_expr.
        (rvrp_folder::value_on_edge): New.  Use rangers value_on_edge.
        (rvrp_folder::value_of_Stmt): New.  Use rangers value_of_stmt.
        (rvrp_folder::fold_stmt): New.  Call the simplifier.
        (class hybrid_folder): EVRP folding using both engines.
        (hybrid_folder::hybrid_folder): New.
        (hybrid_folder::~hybrid_folder): New.
        (hybrid_folder::fold_stmt): New.  Simplify with one engne, then the
        other.
        (hybrid_folder::value_of_expr): New.  Use both value routines.
        (hybrid_folder::value_on_edge): New.  Use both value routines.
        (hybrid_folder::value_of_stmt): New.  Use both value routines.
        (hybrid_folder::choose_value): New.  Choose between range_analzyer and
        rangers values.
        (execute_early_vrp): Choose a folder based on flag_evrp_mode.
        * vr-values.c (simplify_using_ranges::fold_cond): Try range_of_stmt
        first to see if it returns a value.
        (simplify_using_ranges::simplify_switch_using_ranges): Return true if
        any changes were made to the switch.

2020-10-06  Andrew MacLeod  <amacleod@redhat.com>

        * Makefile.in (OBJS): Add gimple-range*.o.
        * gimple-range.h: New file.
        * gimple-range.cc: New file.
        * gimple-range-cache.h: New file.
        * gimple-range-cache.cc: New file.
        * gimple-range-edge.h: New file.
        * gimple-range-edge.cc: New file.
        * gimple-range-gori.h: New file.
        * gimple-range-gori.cc: New file.

2020-10-06  Dennis Zhang  <dennis.zhang@arm.com>

        * config/arm/arm.c (arm_preferred_simd_mode): Enable MVE SIMD modes.

2020-10-06  Tom de Vries  <tdevries@suse.de>

        PR middle-end/90861
        * gimplify.c (gimplify_bind_expr): Handle lookup in
        oacc_declare_returns using key with decl-expr.

2020-10-06  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/iterators.md (MVE_types): Move mode iterator from mve.md to
        iterators.md.
        (MVE_VLD_ST): Likewise.
        (MVE_0): Likewise.
        (MVE_1): Likewise.
        (MVE_3): Likewise.
        (MVE_2): Likewise.
        (MVE_5): Likewise.
        (MVE_6): Likewise.
        (MVE_CNVT): Move mode attribute iterator from mve.md to iterators.md.
        (MVE_LANES): Likewise.
        (MVE_constraint): Likewise.
        (MVE_constraint1): Likewise.
        (MVE_constraint2): Likewise.
        (MVE_constraint3): Likewise.
        (MVE_pred): Likewise.
        (MVE_pred1): Likewise.
        (MVE_pred2): Likewise.
        (MVE_pred3): Likewise.
        (MVE_B_ELEM): Likewise.
        (MVE_H_ELEM): Likewise.
        (V_sz_elem1): Likewise.
        (V_extr_elem): Likewise.
        (earlyclobber_32): Likewise.
        (supf): Move int attribute from mve.md to iterators.md.
        (mode1): Likewise.
        (VCVTQ_TO_F): Move int iterator from mve.md to iterators.md.
        (VMVNQ_N): Likewise.
        (VREV64Q): Likewise.
        (VCVTQ_FROM_F): Likewise.
        (VREV16Q): Likewise.
        (VCVTAQ): Likewise.
        (VMVNQ): Likewise.
        (VDUPQ_N): Likewise.
        (VCLZQ): Likewise.
        (VADDVQ): Likewise.
        (VREV32Q): Likewise.
        (VMOVLBQ): Likewise.
        (VMOVLTQ): Likewise.
        (VCVTPQ): Likewise.
        (VCVTNQ): Likewise.
        (VCVTMQ): Likewise.
        (VADDLVQ): Likewise.
        (VCTPQ): Likewise.
        (VCTPQ_M): Likewise.
        (VCVTQ_N_TO_F): Likewise.
        (VCREATEQ): Likewise.
        (VSHRQ_N): Likewise.
        (VCVTQ_N_FROM_F): Likewise.
        (VADDLVQ_P): Likewise.
        (VCMPNEQ): Likewise.
        (VSHLQ): Likewise.
        (VABDQ): Likewise.
        (VADDQ_N): Likewise.
        (VADDVAQ): Likewise.
        (VADDVQ_P): Likewise.
        (VANDQ): Likewise.
        (VBICQ): Likewise.
        (VBRSRQ_N): Likewise.
        (VCADDQ_ROT270): Likewise.
        (VCADDQ_ROT90): Likewise.
        (VCMPEQQ): Likewise.
        (VCMPEQQ_N): Likewise.
        (VCMPNEQ_N): Likewise.
        (VEORQ): Likewise.
        (VHADDQ): Likewise.
        (VHADDQ_N): Likewise.
        (VHSUBQ): Likewise.
        (VHSUBQ_N): Likewise.
        (VMAXQ): Likewise.
        (VMAXVQ): Likewise.
        (VMINQ): Likewise.
        (VMINVQ): Likewise.
        (VMLADAVQ): Likewise.
        (VMULHQ): Likewise.
        (VMULLBQ_INT): Likewise.
        (VMULLTQ_INT): Likewise.
        (VMULQ): Likewise.
        (VMULQ_N): Likewise.
        (VORNQ): Likewise.
        (VORRQ): Likewise.
        (VQADDQ): Likewise.
        (VQADDQ_N): Likewise.
        (VQRSHLQ): Likewise.
        (VQRSHLQ_N): Likewise.
        (VQSHLQ): Likewise.
        (VQSHLQ_N): Likewise.
        (VQSHLQ_R): Likewise.
        (VQSUBQ): Likewise.
        (VQSUBQ_N): Likewise.
        (VRHADDQ): Likewise.
        (VRMULHQ): Likewise.
        (VRSHLQ): Likewise.
        (VRSHLQ_N): Likewise.
        (VRSHRQ_N): Likewise.
        (VSHLQ_N): Likewise.
        (VSHLQ_R): Likewise.
        (VSUBQ): Likewise.
        (VSUBQ_N): Likewise.
        (VADDLVAQ): Likewise.
        (VBICQ_N): Likewise.
        (VMLALDAVQ): Likewise.
        (VMLALDAVXQ): Likewise.
        (VMOVNBQ): Likewise.
        (VMOVNTQ): Likewise.
        (VORRQ_N): Likewise.
        (VQMOVNBQ): Likewise.
        (VQMOVNTQ): Likewise.
        (VSHLLBQ_N): Likewise.
        (VSHLLTQ_N): Likewise.
        (VRMLALDAVHQ): Likewise.
        (VBICQ_M_N): Likewise.
        (VCVTAQ_M): Likewise.
        (VCVTQ_M_TO_F): Likewise.
        (VQRSHRNBQ_N): Likewise.
        (VABAVQ): Likewise.
        (VSHLCQ): Likewise.
        (VRMLALDAVHAQ): Likewise.
        (VADDVAQ_P): Likewise.
        (VCLZQ_M): Likewise.
        (VCMPEQQ_M_N): Likewise.
        (VCMPEQQ_M): Likewise.
        (VCMPNEQ_M_N): Likewise.
        (VCMPNEQ_M): Likewise.
        (VDUPQ_M_N): Likewise.
        (VMAXVQ_P): Likewise.
        (VMINVQ_P): Likewise.
        (VMLADAVAQ): Likewise.
        (VMLADAVQ_P): Likewise.
        (VMLAQ_N): Likewise.
        (VMLASQ_N): Likewise.
        (VMVNQ_M): Likewise.
        (VPSELQ): Likewise.
        (VQDMLAHQ_N): Likewise.
        (VQRDMLAHQ_N): Likewise.
        (VQRDMLASHQ_N): Likewise.
        (VQRSHLQ_M_N): Likewise.
        (VQSHLQ_M_R): Likewise.
        (VREV64Q_M): Likewise.
        (VRSHLQ_M_N): Likewise.
        (VSHLQ_M_R): Likewise.
        (VSLIQ_N): Likewise.
        (VSRIQ_N): Likewise.
        (VMLALDAVQ_P): Likewise.
        (VQMOVNBQ_M): Likewise.
        (VMOVLTQ_M): Likewise.
        (VMOVNBQ_M): Likewise.
        (VRSHRNTQ_N): Likewise.
        (VORRQ_M_N): Likewise.
        (VREV32Q_M): Likewise.
        (VREV16Q_M): Likewise.
        (VQRSHRNTQ_N): Likewise.
        (VMOVNTQ_M): Likewise.
        (VMOVLBQ_M): Likewise.
        (VMLALDAVAQ): Likewise.
        (VQSHRNBQ_N): Likewise.
        (VSHRNBQ_N): Likewise.
        (VRSHRNBQ_N): Likewise.
        (VMLALDAVXQ_P): Likewise.
        (VQMOVNTQ_M): Likewise.
        (VMVNQ_M_N): Likewise.
        (VQSHRNTQ_N): Likewise.
        (VMLALDAVAXQ): Likewise.
        (VSHRNTQ_N): Likewise.
        (VCVTMQ_M): Likewise.
        (VCVTNQ_M): Likewise.
        (VCVTPQ_M): Likewise.
        (VCVTQ_M_N_FROM_F): Likewise.
        (VCVTQ_M_FROM_F): Likewise.
        (VRMLALDAVHQ_P): Likewise.
        (VADDLVAQ_P): Likewise.
        (VABAVQ_P): Likewise.
        (VSHLQ_M): Likewise.
        (VSRIQ_M_N): Likewise.
        (VSUBQ_M): Likewise.
        (VCVTQ_M_N_TO_F): Likewise.
        (VHSUBQ_M): Likewise.
        (VSLIQ_M_N): Likewise.
        (VRSHLQ_M): Likewise.
        (VMINQ_M): Likewise.
        (VMULLBQ_INT_M): Likewise.
        (VMULHQ_M): Likewise.
        (VMULQ_M): Likewise.
        (VHSUBQ_M_N): Likewise.
        (VHADDQ_M_N): Likewise.
        (VORRQ_M): Likewise.
        (VRMULHQ_M): Likewise.
        (VQADDQ_M): Likewise.
        (VRSHRQ_M_N): Likewise.
        (VQSUBQ_M_N): Likewise.
        (VADDQ_M): Likewise.
        (VORNQ_M): Likewise.
        (VRHADDQ_M): Likewise.
        (VQSHLQ_M): Likewise.
        (VANDQ_M): Likewise.
        (VBICQ_M): Likewise.
        (VSHLQ_M_N): Likewise.
        (VCADDQ_ROT270_M): Likewise.
        (VQRSHLQ_M): Likewise.
        (VQADDQ_M_N): Likewise.
        (VADDQ_M_N): Likewise.
        (VMAXQ_M): Likewise.
        (VQSUBQ_M): Likewise.
        (VMLASQ_M_N): Likewise.
        (VMLADAVAQ_P): Likewise.
        (VBRSRQ_M_N): Likewise.
        (VMULQ_M_N): Likewise.
        (VCADDQ_ROT90_M): Likewise.
        (VMULLTQ_INT_M): Likewise.
        (VEORQ_M): Likewise.
        (VSHRQ_M_N): Likewise.
        (VSUBQ_M_N): Likewise.
        (VHADDQ_M): Likewise.
        (VABDQ_M): Likewise.
        (VMLAQ_M_N): Likewise.
        (VQSHLQ_M_N): Likewise.
        (VMLALDAVAQ_P): Likewise.
        (VMLALDAVAXQ_P): Likewise.
        (VQRSHRNBQ_M_N): Likewise.
        (VQRSHRNTQ_M_N): Likewise.
        (VQSHRNBQ_M_N): Likewise.
        (VQSHRNTQ_M_N): Likewise.
        (VRSHRNBQ_M_N): Likewise.
        (VRSHRNTQ_M_N): Likewise.
        (VSHLLBQ_M_N): Likewise.
        (VSHLLTQ_M_N): Likewise.
        (VSHRNBQ_M_N): Likewise.
        (VSHRNTQ_M_N): Likewise.
        (VSTRWSBQ): Likewise.
        (VSTRBSOQ): Likewise.
        (VSTRBQ): Likewise.
        (VLDRBGOQ): Likewise.
        (VLDRBQ): Likewise.
        (VLDRWGBQ): Likewise.
        (VLD1Q): Likewise.
        (VLDRHGOQ): Likewise.
        (VLDRHGSOQ): Likewise.
        (VLDRHQ): Likewise.
        (VLDRWQ): Likewise.
        (VLDRDGBQ): Likewise.
        (VLDRDGOQ): Likewise.
        (VLDRDGSOQ): Likewise.
        (VLDRWGOQ): Likewise.
        (VLDRWGSOQ): Likewise.
        (VST1Q): Likewise.
        (VSTRHSOQ): Likewise.
        (VSTRHSSOQ): Likewise.
        (VSTRHQ): Likewise.
        (VSTRWQ): Likewise.
        (VSTRDSBQ): Likewise.
        (VSTRDSOQ): Likewise.
        (VSTRDSSOQ): Likewise.
        (VSTRWSOQ): Likewise.
        (VSTRWSSOQ): Likewise.
        (VSTRWSBWBQ): Likewise.
        (VLDRWGBWBQ): Likewise.
        (VSTRDSBWBQ): Likewise.
        (VLDRDGBWBQ): Likewise.
        (VADCIQ): Likewise.
        (VADCIQ_M): Likewise.
        (VSBCQ): Likewise.
        (VSBCQ_M): Likewise.
        (VSBCIQ): Likewise.
        (VSBCIQ_M): Likewise.
        (VADCQ): Likewise.
        (VADCQ_M): Likewise.
        (UQRSHLLQ): Likewise.
        (SQRSHRLQ): Likewise.
        (VSHLCQ_M): Likewise.
        * config/arm/mve.md (MVE_types): Move mode iterator to iterators.md from mve.md.
        (MVE_VLD_ST): Likewise.
        (MVE_0): Likewise.
        (MVE_1): Likewise.
        (MVE_3): Likewise.
        (MVE_2): Likewise.
        (MVE_5): Likewise.
        (MVE_6): Likewise.
        (MVE_CNVT): Move mode attribute iterator to iterators.md from mve.md.
        (MVE_LANES): Likewise.
        (MVE_constraint): Likewise.
        (MVE_constraint1): Likewise.
        (MVE_constraint2): Likewise.
        (MVE_constraint3): Likewise.
        (MVE_pred): Likewise.
        (MVE_pred1): Likewise.
        (MVE_pred2): Likewise.
        (MVE_pred3): Likewise.
        (MVE_B_ELEM): Likewise.
        (MVE_H_ELEM): Likewise.
        (V_sz_elem1): Likewise.
        (V_extr_elem): Likewise.
        (earlyclobber_32): Likewise.
        (supf): Move int attribute to iterators.md from mve.md.
        (mode1): Likewise.
        (VCVTQ_TO_F): Move int iterator to iterators.md from mve.md.
        (VMVNQ_N): Likewise.
        (VREV64Q): Likewise.
        (VCVTQ_FROM_F): Likewise.
        (VREV16Q): Likewise.
        (VCVTAQ): Likewise.
        (VMVNQ): Likewise.
        (VDUPQ_N): Likewise.
        (VCLZQ): Likewise.
        (VADDVQ): Likewise.
        (VREV32Q): Likewise.
        (VMOVLBQ): Likewise.
        (VMOVLTQ): Likewise.
        (VCVTPQ): Likewise.
        (VCVTNQ): Likewise.
        (VCVTMQ): Likewise.
        (VADDLVQ): Likewise.
        (VCTPQ): Likewise.
        (VCTPQ_M): Likewise.
        (VCVTQ_N_TO_F): Likewise.
        (VCREATEQ): Likewise.
        (VSHRQ_N): Likewise.
        (VCVTQ_N_FROM_F): Likewise.
        (VADDLVQ_P): Likewise.
        (VCMPNEQ): Likewise.
        (VSHLQ): Likewise.
        (VABDQ): Likewise.
        (VADDQ_N): Likewise.
        (VADDVAQ): Likewise.
        (VADDVQ_P): Likewise.
        (VANDQ): Likewise.
        (VBICQ): Likewise.
        (VBRSRQ_N): Likewise.
        (VCADDQ_ROT270): Likewise.
        (VCADDQ_ROT90): Likewise.
        (VCMPEQQ): Likewise.
        (VCMPEQQ_N): Likewise.
        (VCMPNEQ_N): Likewise.
        (VEORQ): Likewise.
        (VHADDQ): Likewise.
        (VHADDQ_N): Likewise.
        (VHSUBQ): Likewise.
        (VHSUBQ_N): Likewise.
        (VMAXQ): Likewise.
        (VMAXVQ): Likewise.
        (VMINQ): Likewise.
        (VMINVQ): Likewise.
        (VMLADAVQ): Likewise.
        (VMULHQ): Likewise.
        (VMULLBQ_INT): Likewise.
        (VMULLTQ_INT): Likewise.
        (VMULQ): Likewise.
        (VMULQ_N): Likewise.
        (VORNQ): Likewise.
        (VORRQ): Likewise.
        (VQADDQ): Likewise.
        (VQADDQ_N): Likewise.
        (VQRSHLQ): Likewise.
        (VQRSHLQ_N): Likewise.
        (VQSHLQ): Likewise.
        (VQSHLQ_N): Likewise.
        (VQSHLQ_R): Likewise.
        (VQSUBQ): Likewise.
        (VQSUBQ_N): Likewise.
        (VRHADDQ): Likewise.
        (VRMULHQ): Likewise.
        (VRSHLQ): Likewise.
        (VRSHLQ_N): Likewise.
        (VRSHRQ_N): Likewise.
        (VSHLQ_N): Likewise.
        (VSHLQ_R): Likewise.
        (VSUBQ): Likewise.
        (VSUBQ_N): Likewise.
        (VADDLVAQ): Likewise.
        (VBICQ_N): Likewise.
        (VMLALDAVQ): Likewise.
        (VMLALDAVXQ): Likewise.
        (VMOVNBQ): Likewise.
        (VMOVNTQ): Likewise.
        (VORRQ_N): Likewise.
        (VQMOVNBQ): Likewise.
        (VQMOVNTQ): Likewise.
        (VSHLLBQ_N): Likewise.
        (VSHLLTQ_N): Likewise.
        (VRMLALDAVHQ): Likewise.
        (VBICQ_M_N): Likewise.
        (VCVTAQ_M): Likewise.
        (VCVTQ_M_TO_F): Likewise.
        (VQRSHRNBQ_N): Likewise.
        (VABAVQ): Likewise.
        (VSHLCQ): Likewise.
        (VRMLALDAVHAQ): Likewise.
        (VADDVAQ_P): Likewise.
        (VCLZQ_M): Likewise.
        (VCMPEQQ_M_N): Likewise.
        (VCMPEQQ_M): Likewise.
        (VCMPNEQ_M_N): Likewise.
        (VCMPNEQ_M): Likewise.
        (VDUPQ_M_N): Likewise.
        (VMAXVQ_P): Likewise.
        (VMINVQ_P): Likewise.
        (VMLADAVAQ): Likewise.
        (VMLADAVQ_P): Likewise.
        (VMLAQ_N): Likewise.
        (VMLASQ_N): Likewise.
        (VMVNQ_M): Likewise.
        (VPSELQ): Likewise.
        (VQDMLAHQ_N): Likewise.
        (VQRDMLAHQ_N): Likewise.
        (VQRDMLASHQ_N): Likewise.
        (VQRSHLQ_M_N): Likewise.
        (VQSHLQ_M_R): Likewise.
        (VREV64Q_M): Likewise.
        (VRSHLQ_M_N): Likewise.
        (VSHLQ_M_R): Likewise.
        (VSLIQ_N): Likewise.
        (VSRIQ_N): Likewise.
        (VMLALDAVQ_P): Likewise.
        (VQMOVNBQ_M): Likewise.
        (VMOVLTQ_M): Likewise.
        (VMOVNBQ_M): Likewise.
        (VRSHRNTQ_N): Likewise.
        (VORRQ_M_N): Likewise.
        (VREV32Q_M): Likewise.
        (VREV16Q_M): Likewise.
        (VQRSHRNTQ_N): Likewise.
        (VMOVNTQ_M): Likewise.
        (VMOVLBQ_M): Likewise.
        (VMLALDAVAQ): Likewise.
        (VQSHRNBQ_N): Likewise.
        (VSHRNBQ_N): Likewise.
        (VRSHRNBQ_N): Likewise.
        (VMLALDAVXQ_P): Likewise.
        (VQMOVNTQ_M): Likewise.
        (VMVNQ_M_N): Likewise.
        (VQSHRNTQ_N): Likewise.
        (VMLALDAVAXQ): Likewise.
        (VSHRNTQ_N): Likewise.
        (VCVTMQ_M): Likewise.
        (VCVTNQ_M): Likewise.
        (VCVTPQ_M): Likewise.
        (VCVTQ_M_N_FROM_F): Likewise.
        (VCVTQ_M_FROM_F): Likewise.
        (VRMLALDAVHQ_P): Likewise.
        (VADDLVAQ_P): Likewise.
        (VABAVQ_P): Likewise.
        (VSHLQ_M): Likewise.
        (VSRIQ_M_N): Likewise.
        (VSUBQ_M): Likewise.
        (VCVTQ_M_N_TO_F): Likewise.
        (VHSUBQ_M): Likewise.
        (VSLIQ_M_N): Likewise.
        (VRSHLQ_M): Likewise.
        (VMINQ_M): Likewise.
        (VMULLBQ_INT_M): Likewise.
        (VMULHQ_M): Likewise.
        (VMULQ_M): Likewise.
        (VHSUBQ_M_N): Likewise.
        (VHADDQ_M_N): Likewise.
        (VORRQ_M): Likewise.
        (VRMULHQ_M): Likewise.
        (VQADDQ_M): Likewise.
        (VRSHRQ_M_N): Likewise.
        (VQSUBQ_M_N): Likewise.
        (VADDQ_M): Likewise.
        (VORNQ_M): Likewise.
        (VRHADDQ_M): Likewise.
        (VQSHLQ_M): Likewise.
        (VANDQ_M): Likewise.
        (VBICQ_M): Likewise.
        (VSHLQ_M_N): Likewise.
        (VCADDQ_ROT270_M): Likewise.
        (VQRSHLQ_M): Likewise.
        (VQADDQ_M_N): Likewise.
        (VADDQ_M_N): Likewise.
        (VMAXQ_M): Likewise.
        (VQSUBQ_M): Likewise.
        (VMLASQ_M_N): Likewise.
        (VMLADAVAQ_P): Likewise.
        (VBRSRQ_M_N): Likewise.
        (VMULQ_M_N): Likewise.
        (VCADDQ_ROT90_M): Likewise.
        (VMULLTQ_INT_M): Likewise.
        (VEORQ_M): Likewise.
        (VSHRQ_M_N): Likewise.
        (VSUBQ_M_N): Likewise.
        (VHADDQ_M): Likewise.
        (VABDQ_M): Likewise.
        (VMLAQ_M_N): Likewise.
        (VQSHLQ_M_N): Likewise.
        (VMLALDAVAQ_P): Likewise.
        (VMLALDAVAXQ_P): Likewise.
        (VQRSHRNBQ_M_N): Likewise.
        (VQRSHRNTQ_M_N): Likewise.
        (VQSHRNBQ_M_N): Likewise.
        (VQSHRNTQ_M_N): Likewise.
        (VRSHRNBQ_M_N): Likewise.
        (VRSHRNTQ_M_N): Likewise.
        (VSHLLBQ_M_N): Likewise.
        (VSHLLTQ_M_N): Likewise.
        (VSHRNBQ_M_N): Likewise.
        (VSHRNTQ_M_N): Likewise.
        (VSTRWSBQ): Likewise.
        (VSTRBSOQ): Likewise.
        (VSTRBQ): Likewise.
        (VLDRBGOQ): Likewise.
        (VLDRBQ): Likewise.
        (VLDRWGBQ): Likewise.
        (VLD1Q): Likewise.
        (VLDRHGOQ): Likewise.
        (VLDRHGSOQ): Likewise.
        (VLDRHQ): Likewise.
        (VLDRWQ): Likewise.
        (VLDRDGBQ): Likewise.
        (VLDRDGOQ): Likewise.
        (VLDRDGSOQ): Likewise.
        (VLDRWGOQ): Likewise.
        (VLDRWGSOQ): Likewise.
        (VST1Q): Likewise.
        (VSTRHSOQ): Likewise.
        (VSTRHSSOQ): Likewise.
        (VSTRHQ): Likewise.
        (VSTRWQ): Likewise.
        (VSTRDSBQ): Likewise.
        (VSTRDSOQ): Likewise.
        (VSTRDSSOQ): Likewise.
        (VSTRWSOQ): Likewise.
        (VSTRWSSOQ): Likewise.
        (VSTRWSBWBQ): Likewise.
        (VLDRWGBWBQ): Likewise.
        (VSTRDSBWBQ): Likewise.
        (VLDRDGBWBQ): Likewise.
        (VADCIQ): Likewise.
        (VADCIQ_M): Likewise.
        (VSBCQ): Likewise.
        (VSBCQ_M): Likewise.
        (VSBCIQ): Likewise.
        (VSBCIQ_M): Likewise.
        (VADCQ): Likewise.
        (VADCQ_M): Likewise.
        (UQRSHLLQ): Likewise.
        (SQRSHRLQ): Likewise.
        (VSHLCQ_M): Likewise.
        (define_c_enum "unspec"): Move MVE enumerator to unspecs.md from mve.md.
        * config/arm/unspecs.md (define_c_enum "unspec"): Move MVE enumerator from
        mve.md to unspecs.md.

2020-10-06  Martin Liska  <mliska@suse.cz>

        * common.opt: Remove -fdbg-cnt-list from deferred options.
        * dbgcnt.c (dbg_cnt_set_limit_by_index): Make a copy
        to original_limits.
        (dbg_cnt_list_all_counters): Print also current counter value
        and print to stderr.
        * opts-global.c (handle_common_deferred_options): Do not handle
        -fdbg-cnt-list.
        * opts.c (common_handle_option): Likewise.
        * toplev.c (finalize): Handle it after compilation here.

2020-10-06  Martin Liska  <mliska@suse.cz>

        * dbgcnt.c (dbg_cnt): Report also upper limit.

2020-10-06  Tom de Vries  <tdevries@suse.de>

        * tracer.c (count_insns): Rename to ...
        (analyze_bb): ... this.
        (cache_can_duplicate_bb_p, cached_can_duplicate_bb_p): New function.
        (ignore_bb_p): Use cached_can_duplicate_bb_p.
        (tail_duplicate): Call cache_can_duplicate_bb_p.

2020-10-06  Tom de Vries  <tdevries@suse.de>

        * tracer.c (can_duplicate_insn_p, can_duplicate_bb_no_insn_iter_p)
        (can_duplicate_bb_p): New function, factored out of ...
        (ignore_bb_p): ... here.

2020-10-06  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/97282
        * tree-ssa-math-opts.c (divmod_candidate_p): Don't return false for
        constant op2 if it is not a power of two and the type has precision
        larger than HOST_BITS_PER_WIDE_INT or BITS_PER_WORD.
        * internal-fn.c (contains_call_div_mod): New function.
        (expand_DIVMOD): If last argument is a constant, try to expand it as
        TRUNC_DIV_EXPR followed by TRUNC_MOD_EXPR, but if the sequence
        contains any calls or {,U}{DIV,MOD} rtxes, throw it away and use
        divmod optab or divmod libfunc.

2020-10-06  Aldy Hernandez  <aldyh@redhat.com>

        * value-range.h (irange_allocator::allocate): Increase
        newir storage by one.

2020-10-06  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/97289
        * omp-offload.c (omp_discover_declare_target_tgt_fn_r): Only follow
        node->alias_target if it is a FUNCTION_DECL.

2020-10-06  Joe Ramsay  <joe.ramsay@arm.com>

        * config/arm/arm-cpus.in:
        (ALL_FPU_INTERNAL): Remove vfp_base.
        (VFPv2): Remove vfp_base.
        (MVE): Remove vfp_base.
        (vfp_base): Redefine as implied bit dependent on MVE or FP
        (cortex-m55): Add flags to disable MVE, MVE FP, FP and DSP extensions.
        * config/arm/arm.c (arm_configure_build_target): Add implied bits to ISA.
        * config/arm/parsecpu.awk:
        (gen_isa): Print implied bits and their dependencies to ISA header.
        (gen_data): Add parsing for implied feature bits.

2020-10-06  Andreas Krebbel  <krebbel@linux.ibm.com>

        * doc/invoke.texi: Add z15/arch13 to the list of documented
        -march/-mtune options.

2020-10-05  Aldy Hernandez  <aldyh@redhat.com>

        * value-range.cc (irange::legacy_intersect): Only handle
        legacy ranges.
        (irange::legacy_union): Same.
        (irange::union_): When unioning legacy with non-legacy,
        first convert to legacy and do everything in legacy mode.
        (irange::intersect): Same, but for intersect.
        * range-op.cc (range_tests): Adjust for above changes.

2020-10-05  Aldy Hernandez  <aldyh@redhat.com>

        * range-op.cc (operator_div::wi_fold): Return varying for
        division by zero.
        (class operator_rshift): Move class up.
        (operator_abs::wi_fold): Return [-MIN,-MIN] for ABS([-MIN,-MIN]).
        (operator_tests): Adjust tests.

2020-10-05  Tom de Vries  <tdevries@suse.de>

        * tracer.c (ignore_bb_p): Ignore GOMP_SIMT_XCHG_*.

2020-10-05  Alex Coplan  <alex.coplan@arm.com>

        * config/arm/arm-cpus.in (neoverse-v1): Add missing vendor and
        part numbers.

2020-10-05  Tom de Vries  <tdevries@suse.de>

        * tracer.c (ignore_bb_p): Remove incorrect suggestion.

2020-10-05  Jakub Jelinek  <jakub@redhat.com>

        * opth-gen.awk: Don't emit explicit_mask array if n_target_explicit
        is equal to n_target_explicit_mask.
        * optc-save-gen.awk: Compute has_target_explicit_mask and if false,
        don't emit code iterating over explicit_mask array elements.  Stream
        also explicit_mask_* target members.

2020-10-05  Jakub Jelinek  <jakub@redhat.com>

        * gimple-ssa-store-merging.c
        (imm_store_chain_info::output_merged_store): Use ~0U instead of ~0 in
        unsigned int array initializer.

2020-10-05  Tom de Vries  <tdevries@suse.de>

        PR fortran/95654
        * tracer.c (ignore_bb_p): Ignore GOMP_SIMT_ENTER_ALLOC,
        GOMP_SIMT_VOTE_ANY and GOMP_SIMT_EXIT.

2020-10-03  Jakub Jelinek  <jakub@redhat.com>

        * opth-gen.awk: For variables referenced in Mask and InverseMask,
        don't use the explicit_mask bitmask array, but add separate
        explicit_mask_* members with the same types as the variables.
        * optc-save-gen.awk: Save, restore, compare and hash the separate
        explicit_mask_* members.

2020-10-03  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-modref-tree.c (test_insert_search_collapse): Update andling
        of accesses.
        (test_merge): Likewise.
        * ipa-modref-tree.h (struct modref_access_node): Add offset, size,
        max_size, parm_offset and parm_offset_known.
        (modref_access_node::useful_p): Constify.
        (modref_access_node::range_info_useful_p): New predicate.
        (modref_access_node::operator==): New.
        (struct modref_parm_map): New structure.
        (modref_tree::merge): Update for racking parameters)
        * ipa-modref.c (dump_access): Dump new fields.
        (get_access): Fill in new fields.
        (merge_call_side_effects): Update handling of parm map.
        (write_modref_records): Stream new fields.
        (read_modref_records): Stream new fields.
        (compute_parm_map): Update for new parm map.
        (ipa_merge_modref_summary_after_inlining): Update.
        (modref_propagate_in_scc): Update.
        * tree-ssa-alias.c (modref_may_conflict): Handle known ranges.

2020-10-03  H.J. Lu  <hjl.tools@gmail.com>

        PR other/97280
        * doc/extend.texi: Replace roudnevenl with roundevenl

2020-10-02  David Edelsohn  <dje.gcc@gmail.com>
            Andrew MacLeod  <amacleod@redhat.com>

        * config/rs6000/rs6000.c: Include ssa.h. Reorder some headers.
        * config/rs6000/rs6000-call.c: Same.

2020-10-02  Martin Jambor  <mjambor@suse.cz>

        * params.opt (ipa-cp-large-unit-insns): New parameter.
        * ipa-cp.c (get_max_overall_size): Use the new parameter.

2020-10-02  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (estimate_local_effects): Add overeall_size to dumped
        string.
        (decide_about_value): Add dumping new overall_size.

2020-10-02  Martin Jambor  <mjambor@suse.cz>

        * ipa-fnsummary.h (ipa_freqcounting_predicate): New type.
        (ipa_fn_summary): Change the type of loop_iterations and loop_strides
        to vectors of ipa_freqcounting_predicate.
        (ipa_fn_summary::ipa_fn_summary): Construct the new vectors.
        (ipa_call_estimates): New fields loops_with_known_iterations and
        loops_with_known_strides.
        * ipa-cp.c (hint_time_bonus): Multiply param_ipa_cp_loop_hint_bonus
        with the expected frequencies of loops with known iteration count or
        stride.
        * ipa-fnsummary.c (add_freqcounting_predicate): New function.
        (ipa_fn_summary::~ipa_fn_summary): Release the new vectors instead of
        just two predicates.
        (remap_hint_predicate_after_duplication): Replace with function
        remap_freqcounting_preds_after_dup.
        (ipa_fn_summary_t::duplicate): Use it or duplicate new vectors.
        (ipa_dump_fn_summary): Dump the new vectors.
        (analyze_function_body): Compute the loop property vectors.
        (ipa_call_context::estimate_size_and_time): Calculate also
        loops_with_known_iterations and loops_with_known_strides.  Adjusted
        dumping accordinly.
        (remap_hint_predicate): Replace with function
        remap_freqcounting_predicate.
        (ipa_merge_fn_summary_after_inlining): Use it.
        (inline_read_section): Stream loopcounting vectors instead of two
        simple predicates.
        (ipa_fn_summary_write): Likewise.
        * params.opt (ipa-max-loop-predicates): New parameter.
        * doc/invoke.texi (ipa-max-loop-predicates): Document new param.

2020-10-02  Martin Jambor  <mjambor@suse.cz>

        * ipa-inline-analysis.c (do_estimate_edge_time): Adjusted to use
        ipa_call_estimates.
        (do_estimate_edge_size): Likewise.
        (do_estimate_edge_hints): Likewise.
        * ipa-fnsummary.h (struct ipa_call_estimates): New type.
        (ipa_call_context::estimate_size_and_time): Adjusted declaration.
        (estimate_ipcp_clone_size_and_time): Likewise.
        * ipa-cp.c (hint_time_bonus): Changed the type of the second argument
        to ipa_call_estimates.
        (perform_estimation_of_a_value): Adjusted to use ipa_call_estimates.
        (estimate_local_effects): Likewise.
        * ipa-fnsummary.c (ipa_call_context::estimate_size_and_time): Adjusted
        to return estimates in a single ipa_call_estimates parameter.
        (estimate_ipcp_clone_size_and_time): Likewise.

2020-10-02  Martin Jambor  <mjambor@suse.cz>

        * ipa-fnsummary.h (ipa_cached_call_context): New forward declaration
        and class.
        (class ipa_call_context): Make friend ipa_cached_call_context.  Moved
        methods duplicate_from and release to it too.
        * ipa-fnsummary.c (ipa_call_context::duplicate_from): Moved to class
        ipa_cached_call_context.
        (ipa_call_context::release): Likewise, removed the parameter.
        * ipa-inline-analysis.c (node_context_cache_entry): Change the type of
        ctx to ipa_cached_call_context.
        (do_estimate_edge_time): Remove parameter from the call to
        ipa_cached_call_context::release.

2020-10-02  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.h (ipa_auto_call_arg_values): New type.
        (class ipa_call_arg_values): Likewise.
        (ipa_get_indirect_edge_target): Replaced vector arguments with
        ipa_call_arg_values in declaration.  Added an overload for
        ipa_auto_call_arg_values.
        * ipa-fnsummary.h (ipa_call_context): Removed members m_known_vals,
        m_known_contexts, m_known_aggs, duplicate_from, release and equal_to,
        new members m_avals, store_to_cache and equivalent_to_p.  Adjusted
        construcotr arguments.
        (estimate_ipcp_clone_size_and_time): Replaced vector arguments
        with ipa_auto_call_arg_values in declaration.
        (evaluate_properties_for_edge): Likewise.
        * ipa-cp.c (ipa_get_indirect_edge_target): Adjusted to work on
        ipa_call_arg_values rather than on separate vectors.  Added an
        overload for ipa_auto_call_arg_values.
        (devirtualization_time_bonus): Adjusted to work on
        ipa_auto_call_arg_values rather than on separate vectors.
        (gather_context_independent_values): Adjusted to work on
        ipa_auto_call_arg_values rather than on separate vectors.
        (perform_estimation_of_a_value): Likewise.
        (estimate_local_effects): Likewise.
        (modify_known_vectors_with_val): Adjusted both variants to work on
        ipa_auto_call_arg_values and rename them to
        copy_known_vectors_add_val.
        (decide_about_value): Adjusted to work on ipa_call_arg_values rather
        than on separate vectors.
        (decide_whether_version_node): Likewise.
        * ipa-fnsummary.c (evaluate_conditions_for_known_args): Likewise.
        (evaluate_properties_for_edge): Likewise.
        (ipa_fn_summary_t::duplicate): Likewise.
        (estimate_edge_devirt_benefit): Adjusted to work on
        ipa_call_arg_values rather than on separate vectors.
        (estimate_edge_size_and_time): Likewise.
        (estimate_calls_size_and_time_1): Likewise.
        (summarize_calls_size_and_time): Adjusted calls to
        estimate_edge_size_and_time.
        (estimate_calls_size_and_time): Adjusted to work on
        ipa_call_arg_values rather than on separate vectors.
        (ipa_call_context::ipa_call_context): Construct from a pointer to
        ipa_auto_call_arg_values instead of inividual vectors.
        (ipa_call_context::duplicate_from): Adjusted to access vectors within
        m_avals.
        (ipa_call_context::release): Likewise.
        (ipa_call_context::equal_to): Likewise.
        (ipa_call_context::estimate_size_and_time): Adjusted to work on
        ipa_call_arg_values rather than on separate vectors.
        (estimate_ipcp_clone_size_and_time): Adjusted to work with
        ipa_auto_call_arg_values rather than on separate vectors.
        (ipa_merge_fn_summary_after_inlining): Likewise.  Adjusted call to
        estimate_edge_size_and_time.
        (ipa_update_overall_fn_summary): Adjusted call to
        estimate_edge_size_and_time.
        * ipa-inline-analysis.c (do_estimate_edge_time): Adjusted to work with
        ipa_auto_call_arg_values rather than with separate vectors.
        (do_estimate_edge_size): Likewise.
        (do_estimate_edge_hints): Likewise.
        * ipa-prop.c (ipa_auto_call_arg_values::~ipa_auto_call_arg_values):
        New destructor.

2020-10-02  Joe Ramsay  <joe.ramsay@arm.com>

        * config/arm/arm_mve.h (__arm_vmaxnmavq): Remove coercion of scalar
        argument.
        (__arm_vmaxnmvq): Likewise.
        (__arm_vminnmavq): Likewise.
        (__arm_vminnmvq): Likewise.
        (__arm_vmaxnmavq_p): Likewise.
        (__arm_vmaxnmvq_p): Likewise (and delete duplicate definition).
        (__arm_vminnmavq_p): Likewise.
        (__arm_vminnmvq_p): Likewise.
        (__arm_vmaxavq): Likewise.
        (__arm_vmaxavq_p): Likewise.
        (__arm_vmaxvq): Likewise.
        (__arm_vmaxvq_p): Likewise.
        (__arm_vminavq): Likewise.
        (__arm_vminavq_p): Likewise.
        (__arm_vminvq): Likewise.
        (__arm_vminvq_p): Likewise.

2020-10-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.c (neoversev1_tunings): Define.
        * config/aarch64/aarch64-cores.def (zeus): Use it.
        (neoverse-v1): Likewise.

2020-10-02  Jan Hubicka  <hubicka@ucw.cz>

        * attr-fnspec.h: Update documentation.
        (attr_fnsec::return_desc_size): Set to 2
        (attr_fnsec::arg_desc_size): Set to 2
        * builtin-attrs.def (STR1): Update fnspec.
        * internal-fn.def (UBSAN_NULL): Update fnspec.
        (UBSAN_VPTR): Update fnspec.
        (UBSAN_PTR): Update fnspec.
        (ASAN_CHECK): Update fnspec.
        (GOACC_DIM_SIZE): Remove fnspec.
        (GOACC_DIM_POS): Remove fnspec.
        * tree-ssa-alias.c (attr_fnspec::verify): Update verification.

2020-10-02  Jan Hubicka  <jh@suse.cz>

        * attr-fnspec.h: New file.
        * calls.c (decl_return_flags): Use attr_fnspec.
        * gimple.c (gimple_call_arg_flags): Use attr_fnspec.
        (gimple_call_return_flags): Use attr_fnspec.
        * tree-into-ssa.c (pass_build_ssa::execute): Use attr_fnspec.
        * tree-ssa-alias.c (attr_fnspec::verify): New member fuction.

2020-10-02  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-alias.c (ao_ref_init_from_ptr_and_range): Break out from ...
        (ao_ref_init_from_ptr_and_size): ... here.

2020-10-02  Jan Hubicka  <hubicka@ucw.cz>

        * data-streamer-in.c (streamer_read_poly_int64): New function.
        * data-streamer-out.c (streamer_write_poly_int64): New function.
        * data-streamer.h (streamer_write_poly_int64): Declare.
        (streamer_read_poly_int64): Declare.

2020-10-02  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_sve_pred_dominates_p):
        Delete.
        * config/aarch64/aarch64.c (aarch64_sve_pred_dominates_p): Likewise.
        * config/aarch64/aarch64-sve.md: Add banner comment describing
        how merging predicated FP operations are represented.
        (*cond_<SVE_COND_FP_UNARY:optab><mode>_2): Split into...
        (*cond_<SVE_COND_FP_UNARY:optab><mode>_2_relaxed): ...this and...
        (*cond_<SVE_COND_FP_UNARY:optab><mode>_2_strict): ...this.
        (*cond_<SVE_COND_FP_UNARY:optab><mode>_any): Split into...
        (*cond_<SVE_COND_FP_UNARY:optab><mode>_any_relaxed): ...this and...
        (*cond_<SVE_COND_FP_UNARY:optab><mode>_any_strict): ...this.
        (*cond_<SVE_COND_FP_BINARY_INT:optab><mode>_2): Split into...
        (*cond_<SVE_COND_FP_BINARY_INT:optab><mode>_2_relaxed): ...this and...
        (*cond_<SVE_COND_FP_BINARY_INT:optab><mode>_2_strict): ...this.
        (*cond_<SVE_COND_FP_BINARY_INT:optab><mode>_any): Split into...
        (*cond_<SVE_COND_FP_BINARY_INT:optab><mode>_any_relaxed): ...this
        and...
        (*cond_<SVE_COND_FP_BINARY_INT:optab><mode>_any_strict): ...this.
        (*cond_<SVE_COND_FP_BINARY:optab><mode>_2): Split into...
        (*cond_<SVE_COND_FP_BINARY:optab><mode>_2_relaxed): ...this and...
        (*cond_<SVE_COND_FP_BINARY:optab><mode>_2_strict): ...this.
        (*cond_<SVE_COND_FP_BINARY_I1:optab><mode>_2_const): Split into...
        (*cond_<SVE_COND_FP_BINARY_I1:optab><mode>_2_const_relaxed): ...this
        and...
        (*cond_<SVE_COND_FP_BINARY_I1:optab><mode>_2_const_strict): ...this.
        (*cond_<SVE_COND_FP_BINARY:optab><mode>_3): Split into...
        (*cond_<SVE_COND_FP_BINARY:optab><mode>_3_relaxed): ...this and...
        (*cond_<SVE_COND_FP_BINARY:optab><mode>_3_strict): ...this.
        (*cond_<SVE_COND_FP_BINARY:optab><mode>_any): Split into...
        (*cond_<SVE_COND_FP_BINARY:optab><mode>_any_relaxed): ...this and...
        (*cond_<SVE_COND_FP_BINARY:optab><mode>_any_strict): ...this.
        (*cond_<SVE_COND_FP_BINARY_I1:optab><mode>_any_const): Split into...
        (*cond_<SVE_COND_FP_BINARY_I1:optab><mode>_any_const_relaxed): ...this
        and...
        (*cond_<SVE_COND_FP_BINARY_I1:optab><mode>_any_const_strict): ...this.
        (*cond_add<mode>_2_const): Split into...
        (*cond_add<mode>_2_const_relaxed): ...this and...
        (*cond_add<mode>_2_const_strict): ...this.
        (*cond_add<mode>_any_const): Split into...
        (*cond_add<mode>_any_const_relaxed): ...this and...
        (*cond_add<mode>_any_const_strict): ...this.
        (*cond_<SVE_COND_FCADD:optab><mode>_2): Split into...
        (*cond_<SVE_COND_FCADD:optab><mode>_2_relaxed): ...this and...
        (*cond_<SVE_COND_FCADD:optab><mode>_2_strict): ...this.
        (*cond_<SVE_COND_FCADD:optab><mode>_any): Split into...
        (*cond_<SVE_COND_FCADD:optab><mode>_any_relaxed): ...this and...
        (*cond_<SVE_COND_FCADD:optab><mode>_any_strict): ...this.
        (*cond_sub<mode>_3_const): Split into...
        (*cond_sub<mode>_3_const_relaxed): ...this and...
        (*cond_sub<mode>_3_const_strict): ...this.
        (*aarch64_pred_abd<mode>): Split into...
        (*aarch64_pred_abd<mode>_relaxed): ...this and...
        (*aarch64_pred_abd<mode>_strict): ...this.
        (*aarch64_cond_abd<mode>_2): Split into...
        (*aarch64_cond_abd<mode>_2_relaxed): ...this and...
        (*aarch64_cond_abd<mode>_2_strict): ...this.
        (*aarch64_cond_abd<mode>_3): Split into...
        (*aarch64_cond_abd<mode>_3_relaxed): ...this and...
        (*aarch64_cond_abd<mode>_3_strict): ...this.
        (*aarch64_cond_abd<mode>_any): Split into...
        (*aarch64_cond_abd<mode>_any_relaxed): ...this and...
        (*aarch64_cond_abd<mode>_any_strict): ...this.
        (*cond_<SVE_COND_FP_TERNARY:optab><mode>_2): Split into...
        (*cond_<SVE_COND_FP_TERNARY:optab><mode>_2_relaxed): ...this and...
        (*cond_<SVE_COND_FP_TERNARY:optab><mode>_2_strict): ...this.
        (*cond_<SVE_COND_FP_TERNARY:optab><mode>_4): Split into...
        (*cond_<SVE_COND_FP_TERNARY:optab><mode>_4_relaxed): ...this and...
        (*cond_<SVE_COND_FP_TERNARY:optab><mode>_4_strict): ...this.
        (*cond_<SVE_COND_FP_TERNARY:optab><mode>_any): Split into...
        (*cond_<SVE_COND_FP_TERNARY:optab><mode>_any_relaxed): ...this and...
        (*cond_<SVE_COND_FP_TERNARY:optab><mode>_any_strict): ...this.
        (*cond_<SVE_COND_FCMLA:optab><mode>_4): Split into...
        (*cond_<SVE_COND_FCMLA:optab><mode>_4_relaxed): ...this and...
        (*cond_<SVE_COND_FCMLA:optab><mode>_4_strict): ...this.
        (*cond_<SVE_COND_FCMLA:optab><mode>_any): Split into...
        (*cond_<SVE_COND_FCMLA:optab><mode>_any_relaxed): ...this and...
        (*cond_<SVE_COND_FCMLA:optab><mode>_any_strict): ...this.
        (*aarch64_pred_fac<cmp_op><mode>): Split into...
        (*aarch64_pred_fac<cmp_op><mode>_relaxed): ...this and...
        (*aarch64_pred_fac<cmp_op><mode>_strict): ...this.
        (*cond_<optab>_nontrunc<SVE_FULL_F:mode><SVE_FULL_HSDI:mode>): Split
        into...
        (*cond_<optab>_nontrunc<SVE_FULL_F:mode><SVE_FULL_HSDI:mode>_relaxed):
        ...this and...
        (*cond_<optab>_nontrunc<SVE_FULL_F:mode><SVE_FULL_HSDI:mode>_strict):
        ...this.
        (*cond_<optab>_nonextend<SVE_FULL_HSDI:mode><SVE_FULL_F:mode>): Split
        into...
        (*cond_<optab>_nonextend<SVE_FULL_HSDI:mode><SVE_FULL_F:mode>_relaxed):
        ...this and...
        (*cond_<optab>_nonextend<SVE_FULL_HSDI:mode><SVE_FULL_F:mode>_strict):
        ...this.
        * config/aarch64/aarch64-sve2.md
        (*cond_<SVE2_COND_FP_UNARY_LONG:optab><mode>): Split into...
        (*cond_<SVE2_COND_FP_UNARY_LONG:optab><mode>_relaxed): ...this and...
        (*cond_<SVE2_COND_FP_UNARY_LONG:optab><mode>_strict): ...this.
        (*cond_<SVE2_COND_FP_UNARY_NARROWB:optab><mode>_any): Split into...
        (*cond_<SVE2_COND_FP_UNARY_NARROWB:optab><mode>_any_relaxed): ...this
        and...
        (*cond_<SVE2_COND_FP_UNARY_NARROWB:optab><mode>_any_strict): ...this.
        (*cond_<SVE2_COND_INT_UNARY_FP:optab><mode>): Split into...
        (*cond_<SVE2_COND_INT_UNARY_FP:optab><mode>_relaxed): ...this and...
        (*cond_<SVE2_COND_INT_UNARY_FP:optab><mode>_strict): ...this.

2020-10-02  Richard Sandiford  <richard.sandiford@arm.com>

        * config/arm/neon.md (*sub<VDQ:mode>3_neon): Use the new mode macros
        for the insn condition.
        (sub<VH:mode>3, *mul<VDQW:mode>3_neon): Likewise.
        (mul<VDQW:mode>3add<VDQW:mode>_neon): Likewise.
        (mul<VH:mode>3add<VH:mode>_neon): Likewise.
        (mul<VDQW:mode>3neg<VDQW:mode>add<VDQW:mode>_neon): Likewise.
        (fma<VCVTF:mode>4, fma<VH:mode>4, *fmsub<VCVTF:mode>4): Likewise.
        (quad_halves_<code>v4sf, reduc_plus_scal_<VD:mode>): Likewise.
        (reduc_plus_scal_<VQ:mode>, reduc_smin_scal_<VD:mode>): Likewise.
        (reduc_smin_scal_<VQ:mode>, reduc_smax_scal_<VD:mode>): Likewise.
        (reduc_smax_scal_<VQ:mode>, mul<VH:mode>3): Likewise.
        (neon_vabd<VF:mode>_2, neon_vabd<VF:mode>_3): Likewise.
        (fma<VH:mode>4_intrinsic): Delete.
        (neon_vadd<VCVTF:mode>): Use the new mode macros to decide which
        form of instruction to generate.
        (neon_vmla<VDQW:mode>, neon_vmls<VDQW:mode>): Likewise.
        (neon_vsub<VCVTF:mode>): Likewise.
        (neon_vfma<VH:mode>): Generate the main fma<mode>4 form instead
        of using fma<mode>4_intrinsic.

2020-10-02  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/97193
        * coverage.c (coverage_init): GCDA note files should not be
        mangled and should end in output directory.

2020-10-02  Jason Merril  <jason@redhat.com>

        * gimple.h (gimple_call_operator_delete_p): Rename from
        gimple_call_replaceable_operator_delete_p.
        * gimple.c (gimple_call_operator_delete_p): Likewise.
        * tree.h (DECL_IS_REPLACEABLE_OPERATOR_DELETE_P): Remove.
        * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Adjust.
        (propagate_necessity): Likewise.
        (eliminate_unnecessary_stmts): Likewise.
        * tree-ssa-structalias.c (find_func_aliases_for_call): Likewise.

2020-10-02  Richard Biener  <rguenther@suse.de>

        * gimple.h (GF_CALL_FROM_NEW_OR_DELETE): New call flag.
        (gimple_call_set_from_new_or_delete): New.
        (gimple_call_from_new_or_delete): Likewise.
        * gimple.c (gimple_build_call_from_tree): Set
        GF_CALL_FROM_NEW_OR_DELETE appropriately.
        * ipa-icf-gimple.c (func_checker::compare_gimple_call):
        Compare gimple_call_from_new_or_delete.
        * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Make
        sure to only consider new/delete calls from new or delete
        expressions.
        (propagate_necessity): Likewise.
        (eliminate_unnecessary_stmts): Likewise.
        * tree-ssa-structalias.c (find_func_aliases_for_call):
        Likewise.

2020-10-02  Jason Merril  <jason@redhat.com>

        * tree.h (CALL_FROM_NEW_OR_DELETE_P): Move from cp-tree.h.
        * tree-core.h: Document new usage of protected_flag.

2020-10-02  Aldy Hernandez  <aldyh@redhat.com>

        * value-range.h (irange::fits_p): New.

2020-10-01  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_legitimize_address): Use
        gen_int_mode for high part of address constant.

2020-10-01  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_linux64_override_options):
        Formatting.  Correct setting of TARGET_NO_FP_IN_TOC and
        TARGET_NO_SUM_IN_TOC.

2020-10-01  Alan Modra  <amodra@gmail.com>

        * config/rs6000/freebsd64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
        rs6000_linux64_override_options.
        * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Break
        out to..
        * config/rs6000/rs6000.c (rs6000_linux64_override_options): ..this,
        new function.  Tweak non-biarch test and clearing of
        profile_kernel to work with freebsd64.h.

2020-10-01  Martin Liska  <mliska@suse.cz>

        * config/rs6000/rs6000-call.c: Include value-range.h.
        * config/rs6000/rs6000.c: Likewise.

2020-10-01  Tom de Vries  <tdevries@suse.de>

        PR target/80845
        * config/nvptx/nvptx.md (define_insn "truncsi<QHIM>2"): Emit mov.u32
        instead of cvt.u32.u32.

2020-10-01  Richard Sandiford  <richard.sandiford@arm.com>

        PR target/96528
        PR target/97288
        * config/arm/arm-protos.h (arm_expand_vector_compare): Declare.
        (arm_expand_vcond): Likewise.
        * config/arm/arm.c (arm_expand_vector_compare): New function.
        (arm_expand_vcond): Likewise.
        * config/arm/neon.md (vec_cmp<VDQW:mode><v_cmp_result>): New pattern.
        (vec_cmpu<VDQW:mode><VDQW:mode>): Likewise.
        (vcond<VDQW:mode><VDQW:mode>): Require operand 5 to be a register
        or zero.  Use arm_expand_vcond.
        (vcond<V_cvtto><V32:mode>): New pattern.
        (vcondu<VDQIW:mode><VDQIW:mode>): Generalize to...
        (vcondu<VDQW:mode><v_cmp_result): ...this.  Require operand 5
        to be a register or zero.  Use arm_expand_vcond.
        (vcond_mask_<VDQW:mode><v_cmp_result>): New pattern.
        (neon_vc<cmp_op><mode>, neon_vc<cmp_op><mode>_insn): Add "@" marker.
        (neon_vbsl<mode>): Likewise.
        (neon_vc<cmp_op>u<mode>): Reexpress as...
        (@neon_vc<code><mode>): ...this.

2020-10-01  Michael Davidsaver  <mdavidsaver@gmail.com>

        * config/i386/t-rtems: Change from mtune to march when building
        multilibs.  The mtune argument tunes or optimizes for a specific
        CPU model but does not ensure the generated code is appropriate
        for the CPU model. Prior to this patch, i386 compatible code
        was always generated but tuned for later models.

2020-10-01  Aldy Hernandez  <aldyh@redhat.com>

        * builtins.c (compute_objsize): Replace vr_values with range_query.
        (get_range): Same.
        (gimple_call_alloc_size): Same.
        * builtins.h (class vr_values):  Remove.
        (gimple_call_alloc_size): Replace vr_values with range_query.
        * gimple-ssa-sprintf.c (get_int_range): Same.
        (struct directive): Pass gimple context to fmtfunc callback.
        (directive::set_width): Replace inline with out-of-line version.
        (directive::set_precision): Same.
        (format_none): New gimple argument.
        (format_percent): New gimple argument.
        (format_integer): New gimple argument.
        (format_floating): New gimple argument.
        (get_string_length): Use range_query API.
        (format_character): New gimple argument.
        (format_string): New gimple argument.
        (format_plain): New gimple argument.
        (format_directive): New gimple argument.
        (parse_directive): Replace vr_values with range_query.
        (compute_format_length): Same.
        (handle_printf_call): Same.  Adjust for range_query API.
        * tree-ssa-strlen.c (get_range): Same.
        (compare_nonzero_chars): Same.
        (get_addr_stridx) Replace vr_values with range_query.
        (get_stridx): Same.
        (dump_strlen_info): Same.
        (get_range_strlen_dynamic): Adjust for range_query API.
        (set_strlen_range): Same
        (maybe_warn_overflow): Replace vr_values with range_query.
        (handle_builtin_strcpy): Same.
        (maybe_diag_stxncpy_trunc): Add FIXME comment.
        (handle_builtin_memcpy): Replace vr_values with range_query.
        (handle_builtin_memset): Same.
        (get_len_or_size): Same.
        (strxcmp_eqz_result): Same.
        (handle_builtin_string_cmp): Same.
        (count_nonzero_bytes_addr): Same, plus adjust for range_query API.
        (count_nonzero_bytes): Replace vr_values with range_query.
        (handle_store): Same.
        (strlen_check_and_optimize_call): Same.
        (handle_integral_assign): Same.
        (check_and_optimize_stmt): Same.
        * tree-ssa-strlen.h (class vr_values): Remove.
        (get_range): Replace vr_values with range_query.
        (get_range_strlen_dynamic): Same.
        (handle_printf_call): Same.

2020-10-01  Aldy Hernandez  <aldyh@redhat.com>

        * gimple-loop-versioning.cc (lv_dom_walker::before_dom_children):
        Pass m_range_analyzer instead of get_vr_values.
        (loop_versioning::name_prop::get_value): Rename to...
        (loop_versioning::name_prop::value_of_expr): ...this.
        * gimple-ssa-evrp-analyze.c (evrp_range_analyzer::evrp_range_analyzer):
        Adjust for evrp_range_analyzer
        inheriting from vr_values.
        (evrp_range_analyzer::try_find_new_range): Same.
        (evrp_range_analyzer::record_ranges_from_incoming_edge): Same.
        (evrp_range_analyzer::record_ranges_from_phis): Same.
        (evrp_range_analyzer::record_ranges_from_stmt): Same.
        (evrp_range_analyzer::push_value_range): Same.
        (evrp_range_analyzer::pop_value_range): Same.
        * gimple-ssa-evrp-analyze.h (class evrp_range_analyzer): Inherit from
        vr_values.  Adjust accordingly.
        * gimple-ssa-evrp.c: Adjust for evrp_range_analyzer inheriting from
        vr_values.
        (evrp_folder::value_of_evrp): Rename from get_value.
        * tree-ssa-ccp.c (class ccp_folder): Rename get_value to
        value_of_expr.
        (ccp_folder::get_value): Rename to...
        (ccp_folder::value_of_expr): ...this.
        * tree-ssa-copy.c (class copy_folder): Rename get_value to
        value_of_expr.
        (copy_folder::get_value): Rename to...
        (copy_folder::value_of_expr): ...this.
        * tree-ssa-dom.c (dom_opt_dom_walker::after_dom_children): Adjust
        for evrp_range_analyzer inheriting from vr_values.
        (dom_opt_dom_walker::optimize_stmt): Same.
        * tree-ssa-propagate.c (substitute_and_fold_engine::replace_uses_in):
        Call value_of_* instead of get_value.
        (substitute_and_fold_engine::replace_phi_args_in): Same.
        (substitute_and_fold_engine::propagate_into_phi_args): Same.
        (substitute_and_fold_dom_walker::before_dom_children): Same.
        * tree-ssa-propagate.h: Include value-query.h.
        (class substitute_and_fold_engine): Inherit from value_query.
        * tree-ssa-strlen.c (strlen_dom_walker::before_dom_children):
        Adjust for evrp_range_analyzer inheriting from vr_values.
        * tree-ssa-threadedge.c (record_temporary_equivalences_from_phis):
        Same.
        * tree-vrp.c (class vrp_folder): Same.
        (vrp_folder::get_value): Rename to value_of_expr.
        * vr-values.c (vr_values::get_lattice_entry): Adjust for
        vr_values inheriting from range_query.
        (vr_values::range_of_expr): New.
        (vr_values::value_of_expr): New.
        (vr_values::value_on_edge): New.
        (vr_values::value_of_stmt): New.
        (simplify_using_ranges::op_with_boolean_value_range_p): Call
        get_value_range through query.
        (check_for_binary_op_overflow): Rename store to query.
        (vr_values::vr_values): Remove vrp_value_range_pool.
        (vr_values::~vr_values): Same.
        (simplify_using_ranges::get_vr_for_comparison): Call get_value_range
        through query.
        (simplify_using_ranges::compare_names): Same.
        (simplify_using_ranges::vrp_evaluate_conditional): Same.
        (simplify_using_ranges::vrp_visit_cond_stmt): Same.
        (simplify_using_ranges::simplify_abs_using_ranges): Same.
        (simplify_using_ranges::simplify_cond_using_ranges_1): Same.
        (simplify_cond_using_ranges_2): Same.
        (simplify_using_ranges::simplify_switch_using_ranges): Same.
        (simplify_using_ranges::two_valued_val_range_p): Same.
        (simplify_using_ranges::simplify_using_ranges): Rename store to query.
        (simplify_using_ranges::simplify): Assert that we have a query.
        * vr-values.h (class range_query): Remove.
        (class simplify_using_ranges): Remove inheritance of range_query.
        (class vr_values): Add virtuals for range_of_expr, value_of_expr,
        value_on_edge, value_of_stmt, and get_value_range.
        Call range_query allocator instead of using vrp_value_range_pool.
        Remove vrp_value_range_pool.
        (simplify_using_ranges::get_value_range): Remove.

2020-10-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97236
        * tree-vect-stmts.c (get_group_load_store_type): Keep
        VMAT_ELEMENTWISE for single-element vectors.

2020-10-01  Jan Hubicka  <jh@suse.cz>

        * ipa-modref.c (compute_parm_map): Be ready for callee_pi to be NULL.

2020-10-01  Jan Hubicka  <jh@suse.cz>

        PR ipa/97244
        * ipa-fnsummary.c (pass_free_fnsummary::execute): Free
        also indirect inlining datastructure.
        * ipa-modref.c (pass_ipa_modref::execute): Do not free them here.
        * ipa-prop.c (ipa_free_all_node_params): Do not crash when info does
        not exist.
        (ipa_unregister_cgraph_hooks): Likewise.

2020-10-01  Jan Hubicka  <jh@suse.cz>

        * internal-fn.c (DEF_INTERNAL_FN): Fix handling of fnspec

2020-10-01  Aldy Hernandez  <aldyh@redhat.com>

        * Makefile.in: Add value-query.o.
        * value-query.cc: New file.
        * value-query.h: New file.

2020-10-01  Alex Coplan  <alex.coplan@arm.com>

        * config/arm/arm-cpus.in: Fix ordering, move Neoverse N2 down.
        * config/arm/arm-tables.opt: Regenerate.
        * config/arm/arm-tune.md: Regenerate.

2020-10-01  Jakub Jelinek  <jakub@redhat.com>

        * config/s390/s390.c (s390_atomic_assign_expand_fenv): Use
        TARGET_EXPR instead of MODIFY_EXPR for the first assignments to
        fenv_var and old_fpc.  Formatting fixes.

2020-10-01  Richard Biener  <rguenther@suse.de>

        * tree-vect-patterns.c (vect_recog_bool_pattern): Also handle
        VIEW_CONVERT_EXPR.

2020-10-01  Florian Weimer  <fweimer@redhat.com>

        PR target/97250
        * config/i386/i386.h (PTA_NO_TUNE, PTA_X86_64_BASELINE)
        (PTA_X86_64_V2, PTA_X86_64_V3, PTA_X86_64_V4): New.
        * common/config/i386/i386-common.c (processor_alias_table):
        Add "x86-64-v2", "x86-64-v3", "x86-64-v4".
        * config/i386/i386-options.c (ix86_option_override_internal):
        Handle new PTA_NO_TUNE processor table entries.
        * doc/invoke.texi (x86 Options): Document new -march values.

2020-10-01  Alan Modra  <amodra@gmail.com>

        * config/rs6000/ppc-asm.h: Support __PCREL__ code.

2020-10-01  Alan Modra  <amodra@gmail.com>

        * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't
        set -mcmodel=small for -mno-minimal-toc when pcrel.

2020-09-30  Martin Sebor  <msebor@redhat.com>

        PR middle-end/97189
        * attribs.c (attr_access::array_as_string): Avoid assuming a VLA
        access specification string contains a closing bracket.

2020-09-30  Martin Sebor  <msebor@redhat.com>

        PR c/97206
        * attribs.c (attr_access::array_as_string): Avoid modifying a shared
        type in place and use build_type_attribute_qual_variant instead.

2020-09-30  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>

        * config/arm/arm-cpus.in: Add Cortex-A78 and Cortex-A78AE cores.
        * config/arm/arm-tables.opt: Regenerate.
        * config/arm/arm-tune.md: Regenerate.
        * doc/invoke.texi: Update docs.

2020-09-30  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>

        * config/aarch64/aarch64-cores.def: Add Cortex-A78 and Cortex-A78AE cores.
        * config/aarch64/aarch64-tune.md: Regenerate.
        * doc/invoke.texi: Add -mtune=cortex-a78 and -mtune=cortex-a78ae.

2020-09-30  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        PR target/96795
        * config/arm/arm_mve.h (__ARM_mve_coerce2): Define.
        (__arm_vaddq): Correct the scalar argument.
        (__arm_vaddq_m): Likewise.
        (__arm_vaddq_x): Likewise.
        (__arm_vcmpeqq_m): Likewise.
        (__arm_vcmpeqq): Likewise.
        (__arm_vcmpgeq_m): Likewise.
        (__arm_vcmpgeq): Likewise.
        (__arm_vcmpgtq_m): Likewise.
        (__arm_vcmpgtq): Likewise.
        (__arm_vcmpleq_m): Likewise.
        (__arm_vcmpleq): Likewise.
        (__arm_vcmpltq_m): Likewise.
        (__arm_vcmpltq): Likewise.
        (__arm_vcmpneq_m): Likewise.
        (__arm_vcmpneq): Likewise.
        (__arm_vfmaq_m): Likewise.
        (__arm_vfmaq): Likewise.
        (__arm_vfmasq_m): Likewise.
        (__arm_vfmasq): Likewise.
        (__arm_vmaxnmavq): Likewise.
        (__arm_vmaxnmavq_p): Likewise.
        (__arm_vmaxnmvq): Likewise.
        (__arm_vmaxnmvq_p): Likewise.
        (__arm_vminnmavq): Likewise.
        (__arm_vminnmavq_p): Likewise.
        (__arm_vminnmvq): Likewise.
        (__arm_vminnmvq_p): Likewise.
        (__arm_vmulq_m): Likewise.
        (__arm_vmulq): Likewise.
        (__arm_vmulq_x): Likewise.
        (__arm_vsetq_lane): Likewise.
        (__arm_vsubq_m): Likewise.
        (__arm_vsubq): Likewise.
        (__arm_vsubq_x): Likewise.

2020-09-30  Joel Hutton  <joel.hutton@arm.com>

        PR target/96837
        * tree-vect-slp.c (vect_analyze_slp): Do not call
        vect_attempt_slp_rearrange_stmts for vector constructors.

2020-09-30  Tamar Christina  <tamar.christina@arm.com>

        * tree-vectorizer.h (SLP_TREE_REF_COUNT): New.
        * tree-vect-slp.c (_slp_tree::_slp_tree, _slp_tree::~_slp_tree,
        vect_free_slp_tree, vect_build_slp_tree, vect_print_slp_tree,
        slp_copy_subtree, vect_attempt_slp_rearrange_stmts): Use it.

2020-09-30  Tobias Burnus  <tobias@codesourcery.com>

        * omp-offload.c (omp_discover_implicit_declare_target): Also
        handled nested functions.

2020-09-30  Tobias Burnus  <tobias@codesourcery.com>
            Tom de Vries  <tdevries@suse.de>

        * builtins.c (expand_builtin_cexpi, fold_builtin_sincos): Update
        targetm.libc_has_function call.
        * builtins.def (DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C11_BUILTIN):
        (DEF_C2X_BUILTIN, DEF_C99_COMPL_BUILTIN, DEF_C99_C90RES_BUILTIN):
        Same.
        * config/darwin-protos.h (darwin_libc_has_function): Update prototype.
        * config/darwin.c (darwin_libc_has_function): Add arg.
        * config/linux-protos.h (linux_libc_has_function): Update prototype.
        * config/linux.c (linux_libc_has_function): Add arg.
        * config/i386/i386.c (ix86_libc_has_function): Update
        targetm.libc_has_function call.
        * config/nvptx/nvptx.c (nvptx_libc_has_function): New function.
        (TARGET_LIBC_HAS_FUNCTION): Redefine to nvptx_libc_has_function.
        * convert.c (convert_to_integer_1): Update targetm.libc_has_function
        call.
        * match.pd: Same.
        * target.def (libc_has_function): Add arg.
        * doc/tm.texi: Regenerate.
        * targhooks.c (default_libc_has_function, gnu_libc_has_function)
        (no_c99_libc_has_function): Add arg.
        * targhooks.h (default_libc_has_function, no_c99_libc_has_function)
        (gnu_libc_has_function): Update prototype.
        * tree-ssa-math-opts.c (pass_cse_sincos::execute): Update
        targetm.libc_has_function call.

2020-09-30  H.J. Lu  <hjl.tools@gmail.com>

        PR target/97184
        * config/i386/i386.md (UNSPECV_MOVDIRI): Renamed to ...
        (UNSPEC_MOVDIRI): This.
        (UNSPECV_MOVDIR64B): Renamed to ...
        (UNSPEC_MOVDIR64B): This.
        (movdiri<mode>): Use SET operation.
        (@movdir64b_<mode>): Likewise.

2020-09-30  Florian Weimer  <fweimer@redhat.com>

        * config/i386/i386-c.c (ix86_target_macros_internal): Define
        __LAHF_SAHF__ and __MOVBE__ based on ISA flags.

2020-09-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/97150
        * config/aarch64/arm_neon.h (vqrshlb_u8): Make second argument
        signed.
        (vqrshlh_u16): Likewise.
        (vqrshls_u32): Likewise.
        (vqrshld_u64): Likewise.
        (vqshlb_u8): Likewise.
        (vqshlh_u16): Likewise.
        (vqshls_u32): Likewise.
        (vqshld_u64): Likewise.
        (vshld_u64): Likewise.

2020-09-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/96313
        * config/aarch64/aarch64-simd-builtins.def (sqmovun): Use UNOPUS
        qualifiers.
        * config/aarch64/arm_neon.h (vqmovun_s16): Adjust builtin call.
        Remove unnecessary result cast.
        (vqmovun_s32): Likewise.
        (vqmovun_s64): Likewise.
        (vqmovunh_s16): Likewise.  Fix return type.
        (vqmovuns_s32): Likewise.
        (vqmovund_s64): Likewise.

2020-09-30  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.c (aarch64_split_128bit_move_p): Add a
        function comment.  Tighten check for FP moves.
        * config/aarch64/aarch64.md (*movti_aarch64): Add a w<-Z alternative.
        (*movtf_aarch64): Handle r<-Y like r<-r.  Remove unnecessary
        earlyclobber.  Change splitter predicate from aarch64_reg_or_imm
        to nonmemory_operand.

2020-09-30  Alex Coplan  <alex.coplan@arm.com>

        PR target/97251
        * config/arm/arm.md (movsf): Relax TARGET_HARD_FLOAT to
        TARGET_VFP_BASE.
        (movdf): Likewise.
        * config/arm/vfp.md (no_literal_pool_df_immediate): Likewise.
        (no_literal_pool_sf_immediate): Likewise.

2020-09-30  Alan Modra  <amodra@gmail.com>

        * configure.ac (--with-long-double-format): Typo fix.
        * configure: Regenerate.

2020-09-30  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.md (@tablejump<mode>_normal): Don't use
        non-existent operands[].
        (@tablejump<mode>_nospec): Likewise.

2020-09-30  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (tablejump): Simplify.
        (tablejumpsi): Merge this ...
        (tablejumpdi): ... and this ...
        (@tablejump<mode>_normal): ... into this.
        (tablejumpsi_nospec): Merge this ...
        (tablejumpdi_nospec): ... and this ...
        (@tablejump<mode>_nospec): ... into this.
        (*tablejump<mode>_internal1): Delete, rename to ...
        (@tablejump<mode>_insn_normal): ... this.
        (*tablejump<mode>_internal1_nospec): Delete, rename to ...
        (@tablejump<mode>_insn_nospec): ... this.

2020-09-29  Martin Sebor  <msebor@redhat.com>

        PR middle-end/97188
        * calls.c (maybe_warn_rdwr_sizes): Simplify warning messages.
        Correct handling of VLA argumments.

2020-09-29  Marek Polacek  <polacek@redhat.com>

        PR c++/94695
        * doc/invoke.texi: Document -Wrange-loop-construct.

2020-09-29  Jim Wilson  <jimw@sifive.com>

        PR bootstrap/97183
        * configure.ac (gcc_cv_header_zstd_h): Check ZSTD_VERISON_NUMBER.
        * configure: Regenerated.

2020-09-29  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>

        * config/arm/arm-cpus.in: Add Cortex-X1 core.
        * config/arm/arm-tables.opt: Regenerate.
        * config/arm/arm-tune.md: Regenerate.
        * doc/invoke.texi: Update docs.

2020-09-29  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>

        * config/aarch64/aarch64-cores.def: Add Cortex-X1 Arm core.
        * config/aarch64/aarch64-tune.md: Regenerate.
        * doc/invoke.texi: Add -mtune=cortex-x1 docs.

2020-09-29  H.J. Lu  <hjl.tools@gmail.com>

        PR target/97247
        * config/i386/enqcmdintrin.h: Replace <enqcmdntrin.h> with
        <enqcmdintrin.h>.  Replace _ENQCMDNTRIN_H_INCLUDED with
        _ENQCMDINTRIN_H_INCLUDED.

2020-09-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97241
        * tree-vect-loop.c (vectorizable_reduction): Move finding
        the SLP node for the reduction stmt to a better place.

2020-09-29  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_analyze_slp): Move SLP reduction
        re-arrangement and SLP graph load gathering...
        (vect_optimize_slp): ... here.
        * tree-vectorizer.h (vec_info::slp_loads): Remove.

2020-09-29  Hongyu Wang  <hongyu.wang@intel.com>

        PR target/97231
        * config/i386/amxbf16intrin.h: Add FSF copyright notes.
        * config/i386/amxint8intrin.h: Ditto.
        * config/i386/amxtileintrin.h: Ditto.
        * config/i386/avx512vp2intersectintrin.h: Ditto.
        * config/i386/avx512vp2intersectvlintrin.h: Ditto.
        * config/i386/pconfigintrin.h: Ditto.
        * config/i386/tsxldtrkintrin.h: Ditto.
        * config/i386/wbnoinvdintrin.h: Ditto.

2020-09-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97238
        * tree-ssa-reassoc.c (ovce_extract_ops): Fix typo.

2020-09-29  Richard Sandiford  <richard.sandiford@arm.com>

        * config/arm/arm.h (ARM_HAVE_NEON_V8QI_ARITH, ARM_HAVE_NEON_V4HI_ARITH)
        (ARM_HAVE_NEON_V2SI_ARITH, ARM_HAVE_NEON_V16QI_ARITH): New macros.
        (ARM_HAVE_NEON_V8HI_ARITH, ARM_HAVE_NEON_V4SI_ARITH): Likewise.
        (ARM_HAVE_NEON_V2DI_ARITH, ARM_HAVE_NEON_V4HF_ARITH): Likewise.
        (ARM_HAVE_NEON_V8HF_ARITH, ARM_HAVE_NEON_V2SF_ARITH): Likewise.
        (ARM_HAVE_NEON_V4SF_ARITH, ARM_HAVE_V8QI_ARITH, ARM_HAVE_V4HI_ARITH)
        (ARM_HAVE_V2SI_ARITH, ARM_HAVE_V16QI_ARITH, ARM_HAVE_V8HI_ARITH)
        (ARM_HAVE_V4SI_ARITH, ARM_HAVE_V2DI_ARITH, ARM_HAVE_V4HF_ARITH)
        (ARM_HAVE_V2SF_ARITH, ARM_HAVE_V8HF_ARITH, ARM_HAVE_V4SF_ARITH):
        Likewise.
        * config/arm/iterators.md (VNIM, VNINOTM): Delete.
        * config/arm/vec-common.md (add<VNIM:mode>3, addv8hf3)
        (add<VNINOTM:mode>3): Replace with...
        (add<VDQ:mode>3): ...this new expander.
        * config/arm/neon.md (*add<VDQ:mode>3_neon): Use the new
        ARM_HAVE_NEON_<MODE>_ARITH macros as the C condition.
        (addv8hf3_neon, addv4hf3, add<VFH:mode>3_fp16): Delete in
        favor of the above.
        (neon_vadd<VH:mode>): Use gen_add<mode>3 instead of
        gen_add<mode>3_fp16.

2020-09-29  Kito Cheng  <kito.cheng@sifive.com>

        * config/riscv/riscv-c.c (riscv_cpu_cpp_builtins): Define
        __riscv_cmodel_medany when PIC mode.

2020-09-29  Alex Coplan  <alex.coplan@arm.com>

        * config/aarch64/aarch64-cores.def: Move neoverse-n2 after saphira.
        * config/aarch64/aarch64-tune.md: Regenerate.

2020-09-29  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/96979
        * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
        Make a fast bail out.
        (bit_test_cluster::can_be_handled): Likewise here.
        * tree-switch-conversion.h (get_range): Use wi::to_wide instead
        of a folding.

2020-09-29  Martin Liska  <mliska@suse.cz>

        Revert:
        2020-09-22  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/96979
        * doc/invoke.texi: Document new param max-switch-clustering-attempts.
        * params.opt: Add new parameter.
        * tree-switch-conversion.c (jump_table_cluster::find_jump_tables):
        Limit number of attempts.
        (bit_test_cluster::find_bit_tests): Likewise.

2020-09-28  Aldy Hernandez  <aldyh@redhat.com>

        * value-range.h (class irange): Add irange_allocator friend.
        (class irange_allocator): New.

2020-09-28  Tobias Burnus  <tobias@codesourcery.com>

        PR middle-end/96390
        * omp-offload.c (omp_discover_declare_target_tgt_fn_r): Handle
        alias nodes.

2020-09-28  Paul A. Clarke  <pc@us.ibm.com>

        * config/rs6000/smmintrin.h (_mm_insert_epi8): New.
        (_mm_insert_epi32): New.
        (_mm_insert_epi64): New.

2020-09-28  liuhongt  <hongtao.liu@intel.com>

        * common/config/i386/i386-common.c (OPTION_MASK_ISA2_AMX_TILE_SET,
        OPTION_MASK_ISA2_AMX_INT8_SET, OPTION_MASK_ISA2_AMX_BF16_SET,
        OPTION_MASK_ISA2_AMX_TILE_UNSET, OPTION_MASK_ISA2_AMX_INT8_UNSET,
        OPTION_MASK_ISA2_AMX_BF16_UNSET, OPTION_MASK_ISA2_XSAVE_UNSET):
        New marcos.
        (ix86_handle_option): Hanlde -mamx-tile, -mamx-int8, -mamx-bf16.
        * common/config/i386/i386-cpuinfo.h (processor_types): Add
        FEATURE_AMX_TILE, FEATURE_AMX_INT8, FEATURE_AMX_BF16.
        * common/config/i386/cpuinfo.h (XSTATE_TILECFG,
        XSTATE_TILEDATA, XCR_AMX_ENABLED_MASK): New macro.
        (get_available_features): Enable AMX features only if
        their states are suoorited by OSXSAVE.
        * common/config/i386/i386-isas.h: Add ISA_NAME_TABLE_ENTRY
        for amx-tile, amx-int8, amx-bf16.
        * config.gcc: Add amxtileintrin.h, amxint8intrin.h,
        amxbf16intrin.h to extra headers.
        * config/i386/amxbf16intrin.h: New file.
        * config/i386/amxint8intrin.h: Ditto.
        * config/i386/amxtileintrin.h: Ditto.
        * config/i386/cpuid.h (bit_AMX_BF16, bit_AMX_TILE, bit_AMX_INT8):
        New macro.
        * config/i386/i386-c.c (ix86_target_macros_internal): Define
        __AMX_TILE__, __AMX_INT8__, AMX_BF16__.
        * config/i386/i386-options.c (ix86_target_string): Add
        -mamx-tile, -mamx-int8, -mamx-bf16.
        (ix86_option_override_internal): Handle AMX-TILE,
        AMX-INT8, AMX-BF16.
        * config/i386/i386.h (TARGET_AMX_TILE, TARGET_AMX_TILE_P,
        TARGET_AMX_INT8, TARGET_AMX_INT8_P, TARGET_AMX_BF16_P,
        PTA_AMX_TILE, PTA_AMX_INT8, PTA_AMX_BF16): New macros.
        * config/i386/i386.opt: Add -mamx-tile, -mamx-int8, -mamx-bf16.
        * config/i386/immintrin.h: Include amxtileintrin.h,
        amxint8intrin.h, amxbf16intrin.h.
        * doc/invoke.texi: Document -mamx-tile, -mamx-int8, -mamx-bf16.
        * doc/extend.texi: Document amx-tile, amx-int8, amx-bf16.
        * doc/sourcebuild.texi ((Effective-Target Keywords, Other
        hardware attributes): Document amx_int8, amx_tile, amx_bf16.

2020-09-28  Andrea Corallo  <andrea.corallo@arm.com>

        * config/aarch64/aarch64-builtins.c
        (aarch64_general_expand_builtin): Do not alter value on a
        force_reg returned rtx.

2020-09-28  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-eh.c (lower_try_finally_dup_block): Revert latest change.

2020-09-27  Jan Hubicka  <jh@suse.cz>

        * ipa-modref.c (modref_summary::useful_p): Fix testing of stores.

2020-09-27  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/97073
        * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
        expand_copysign_bit): Check reg_overlap_mentioned_p between target
        and operand(s) and if it returns true, force a pseudo as target.

2020-09-27  Xionghu Luo  <luoxhu@linux.ibm.com>

        * gimple-isel.cc (gimple_expand_vec_set_expr): New function.
        (gimple_expand_vec_cond_exprs): Rename to ...
        (gimple_expand_vec_exprs): ... this and call
        gimple_expand_vec_set_expr.
        * internal-fn.c (vec_set_direct): New define.
        (expand_vec_set_optab_fn): New function.
        (direct_vec_set_optab_supported_p): New define.
        * internal-fn.def (VEC_SET): New DEF_INTERNAL_OPTAB_FN.
        * optabs.c (can_vec_set_var_idx_p): New function.
        * optabs.h (can_vec_set_var_idx_p): New declaration.

2020-09-26  Jan Hubicka  <jh@suse.cz>

        * ipa-modref.c (analyze_stmt): Do not skip clobbers in early pass.
        * ipa-pure-const.c (analyze_stmt): Update comment.

2020-09-26  David Edelsohn  <dje.gcc@gmail.com>
            Clement Chigot  <clement.chigot@atos.com>

        * collect2.c (visibility_flag): New.
        (main): Detect -fvisibility.
        (write_c_file_stat): Push and pop default visibility.

2020-09-26  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-inline-transform.c: Include ipa-modref-tree.h and ipa-modref.h.
        (inline_call): Call ipa_merge_modref_summary_after_inlining.
        * ipa-inline.c (ipa_inline): Do not free summaries.
        * ipa-modref.c (dump_records): Fix formating.
        (merge_call_side_effects): Break out from ...
        (analyze_call): ... here; record recursive calls.
        (analyze_stmt): Add new parameter RECURSIVE_CALLS.
        (analyze_function): Do iterative dataflow on recursive calls.
        (compute_parm_map): New function.
        (ipa_merge_modref_summary_after_inlining): New function.
        (collapse_loads): New function.
        (modref_propagate_in_scc): Break out from ...
        (pass_ipa_modref::execute): ... here; Do iterative dataflow.
        * ipa-modref.h (ipa_merge_modref_summary_after_inlining): Declare.

2020-09-26  Jakub Jelinek  <jakub@redhat.com>

        * omp-expand.c (expand_omp_simd): Help vectorizer for the collapse == 1
        and non-composite collapse > 1 case with non-constant innermost loop
        step by precomputing number of iterations before loop and using an
        alternate IV from 0 to number of iterations - 1 with step of 1.

2020-09-26  Jan Hubicka  <jh@suse.cz>

        * ipa-fnsummary.c (dump_ipa_call_summary): Dump
        points_to_local_or_readonly_memory flag.
        (analyze_function_body): Compute points_to_local_or_readonly_memory
        flag.
        (remap_edge_change_prob): Rename to ...
        (remap_edge_params): ... this one; update
        points_to_local_or_readonly_memory.
        (remap_edge_summaries): Update.
        (read_ipa_call_summary): Stream the new flag.
        (write_ipa_call_summary): Likewise.
        * ipa-predicate.h (struct inline_param_summary): Add
        points_to_local_or_readonly_memory.
        (inline_param_summary::equal_to): Update.
        (inline_param_summary::useless_p): Update.

2020-09-26  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-modref-tree.h (modref_ref_node::insert_access): Track if something
        changed.
        (modref_base_node::insert_ref): Likewise (and add a new optional
        argument)
        (modref_tree::insert): Likewise.
        (modref_tree::merge): Rewrite

2020-09-25  Jan Hubicka  <hubicka@ucw.cz>

        * doc/invoke.texi: Add -fno-ipa-modref to flags disabled by
        -flive-patching.
        * opts.c (control_options_for_live_patching): Disable ipa-modref.

2020-09-25  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-modref.c (analyze_stmt): Fix return value for gimple_clobber.

2020-09-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64-option-extensions.def (rng): Add
        cpuinfo string.

2020-09-25  Alex Coplan  <alex.coplan@arm.com>

        * config/arm/arm-cpus.in (neoverse-v1): Add FP16.

2020-09-25  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/64636
        * value-prof.c (stream_out_histogram_value): Allow negative
        values for HIST_TYPE_IOR.

2020-09-25  Tom de Vries  <tdevries@suse.de>

        * config/nvptx/nvptx.c (nvptx_assemble_integer, nvptx_print_operand):
        Use gcc_fallthrough ().

2020-09-25  Richard Biener  <rguenther@suse.de>

        PR middle-end/96814
        * expr.c (store_constructor): Handle VECTOR_BOOLEAN_TYPE_P
        CTORs correctly.

2020-09-25  Richard Biener  <rguenther@suse.de>

        PR middle-end/97207
        * vec.h (auto_vec<T>::operator=(auto_vec<T>&&)): Implement.

2020-09-25  Richard Sandiford  <richard.sandiford@arm.com>

        * config/arm/arm-protos.h (arm_mve_mode_and_operands_type_check):
        Delete.
        * config/arm/arm.c (arm_coproc_mem_operand_wb): Use a scale factor
        of 2 rather than 4 for 16-bit modes.
        (arm_mve_mode_and_operands_type_check): Delete.
        * config/arm/constraints.md (Uj): Allow writeback for Neon,
        but continue to disallow it for MVE.
        * config/arm/arm.md (*arm32_mov<HFBF:mode>): Add !TARGET_HAVE_MVE.
        * config/arm/vfp.md (*mov_load_vfp_hf16, *mov_store_vfp_hf16): Fold
        back into...
        (*mov<mode>_vfp_<mode>16): ...here but use Uj for the FPR memory
        constraints.  Use for base MVE too.

2020-09-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97199
        * tree-if-conv.c (combine_blocks): Remove edges only
        after looking at virtual PHI args.

2020-09-25  Jakub Jelinek  <jakub@redhat.com>

        * omp-low.c (scan_omp_1_stmt): Don't call scan_omp_simd for
        collapse > 1 loops as simt doesn't support collapsed loops yet.
        * omp-expand.c (expand_omp_for_init_counts, expand_omp_for_init_vars):
        Small tweaks to function comment.
        (expand_omp_simd): Rewritten collapse > 1 support to only attempt
        to vectorize the innermost loop and emit set of outer loops around it.
        For non-composite simd with collapse > 1 without broken loop don't
        even try to compute number of iterations first.  Add support for
        non-rectangular simd loops.
        (expand_omp_for): Don't sorry_at on non-rectangular simd loops.

2020-09-25  Martin Liska  <mliska@suse.cz>

        * cgraph.c (cgraph_edge::debug): New.
        * cgraph.h (cgraph_edge::debug): New.

2020-09-25  Martin Liska  <mliska@suse.cz>

        * cgraph.c (cgraph_node::dump): Always print space at the end
        of a message.  Remove one extra space.

2020-09-24  Alex Coplan  <alex.coplan@arm.com>

        * config/arm/arm-cpus.in (neoverse-n2): New.
        * config/arm/arm-tables.opt: Regenerate.
        * config/arm/arm-tune.md: Regenerate.
        * doc/invoke.texi: Document support for Neoverse N2.

2020-09-24  Alex Coplan  <alex.coplan@arm.com>

        * config/aarch64/aarch64-cores.def: Add Neoverse N2.
        * config/aarch64/aarch64-tune.md: Regenerate.
        * doc/invoke.texi: Document AArch64 support for Neoverse N2.

2020-09-24  Richard Biener  <rguenther@suse.de>

        * vec.h (auto_vec<T, 0>::auto_vec (auto_vec &&)): New move CTOR.
        (auto_vec<T, 0>::operator=(auto_vec &&)): Delete.
        * hash-table.h (hash_table::expand): Use std::move when expanding.
        * cfgloop.h (get_loop_exit_edges): Return auto_vec<edge>.
        * cfgloop.c (get_loop_exit_edges): Adjust.
        * cfgloopmanip.c (fix_loop_placement): Likewise.
        * ipa-fnsummary.c (analyze_function_body): Likewise.
        * ira-build.c (create_loop_tree_nodes): Likewise.
        (create_loop_tree_node_allocnos): Likewise.
        (loop_with_complex_edge_p): Likewise.
        * ira-color.c (ira_loop_edge_freq): Likewise.
        * loop-unroll.c (analyze_insns_in_loop): Likewise.
        * predict.c (predict_loops): Likewise.
        * tree-predcom.c (last_always_executed_block): Likewise.
        * tree-ssa-loop-ch.c (ch_base::copy_headers): Likewise.
        * tree-ssa-loop-im.c (store_motion_loop): Likewise.
        * tree-ssa-loop-ivcanon.c (loop_edge_to_cancel): Likewise.
        (canonicalize_loop_induction_variables): Likewise.
        * tree-ssa-loop-manip.c (get_loops_exits): Likewise.
        * tree-ssa-loop-niter.c (find_loop_niter): Likewise.
        (finite_loop_p): Likewise.
        (find_loop_niter_by_eval): Likewise.
        (estimate_numbers_of_iterations): Likewise.
        * tree-ssa-loop-prefetch.c (emit_mfence_after_loop): Likewise.
        (may_use_storent_in_loop_p): Likewise.

2020-09-24  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi: Document -fipa-modref, ipa-modref-max-bases,
        ipa-modref-max-refs, ipa-modref-max-accesses, ipa-modref-max-tests.
        * ipa-modref-tree.c (test_insert_search_collapse): Update.
        (test_merge): Update.
        (gt_ggc_mx): New function.
        * ipa-modref-tree.h (struct modref_access_node): New structure.
        (struct modref_ref_node): Add every_access and accesses array.
        (modref_ref_node::modref_ref_node): Update ctor.
        (modref_ref_node::search): New member function.
        (modref_ref_node::collapse): New member function.
        (modref_ref_node::insert_access): New member function.
        (modref_base_node::insert_ref): Do not collapse base if ref is 0.
        (modref_base_node::collapse): Copllapse also refs.
        (modref_tree): Add accesses.
        (modref_tree::modref_tree): Initialize max_accesses.
        (modref_tree::insert): Add access parameter.
        (modref_tree::cleanup): New member function.
        (modref_tree::merge): Add parm_map; merge accesses.
        (modref_tree::copy_from): New member function.
        (modref_tree::create_ggc): Add max_accesses.
        * ipa-modref.c (dump_access): New function.
        (dump_records): Dump accesses.
        (dump_lto_records): Dump accesses.
        (get_access): New function.
        (record_access): Record access.
        (record_access_lto): Record access.
        (analyze_call): Compute parm_map.
        (analyze_function): Update construction of modref records.
        (modref_summaries::duplicate): Likewise; use copy_from.
        (write_modref_records): Stream accesses.
        (read_modref_records): Sream accesses.
        (pass_ipa_modref::execute): Update call of merge.
        * params.opt (-param=modref-max-accesses): New.
        * tree-ssa-alias.c (alias_stats): Add modref_baseptr_tests.
        (dump_alias_stats): Update.
        (base_may_alias_with_dereference_p): New function.
        (modref_may_conflict): Check accesses.
        (ref_maybe_used_by_call_p_1): Update call to modref_may_conflict.
        (call_may_clobber_ref_p_1): Update call to modref_may_conflict.

2020-09-24  Richard Sandiford  <richard.sandiford@arm.com>

        * config/arm/arm.md (*stack_protect_combined_set_insn): For non-PIC,
        load the address of the canary rather than the address of the
        constant pool entry that points to it.
        (*stack_protect_combined_test_insn): Likewise.

2020-09-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97085
        * match.pd (mask ? { false,..} : { true, ..} -> ~mask): New.

2020-09-24  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-modref-tree.h (modref_base::collapse): Release memory.
        (modref_tree::create_ggc): New member function.
        (modref_tree::colapse): Release memory.
        (modref_tree::~modref_tree): New destructor.
        * ipa-modref.c (modref_summaries::create_ggc): New function.
        (analyze_function): Use create_ggc.
        (modref_summaries::duplicate): Likewise.
        (read_modref_records): Likewise.
        (modref_read): Likewise.

2020-09-24  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_rtx_costs): Pass mode to
        reg_or_add_cint_operand and reg_or_sub_cint_operand.

2020-09-24  Alan Modra  <amodra@gmail.com>

        PR target/93012
        * config/rs6000/rs6000.c (num_insns_constant_gpr): Count rldimi
        constants correctly.

2020-09-24  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000-c.c (rs6000_target_modify_macros):
        Conditionally define __PCREL__.

2020-09-24  Alan Modra  <amodra@gmail.com>

        PR target/97107
        * config/rs6000/rs6000-internal.h (struct rs6000_stack): Improve
        calls_p comment.
        * config/rs6000/rs6000-logue.c (rs6000_stack_info): Likewise.
        (rs6000_expand_split_stack_prologue): Emit the prologue for
        functions that make a sibling call.

2020-09-24  David Malcolm  <dmalcolm@redhat.com>

        * doc/analyzer.texi (Analyzer Paths): Add note about
        -fno-analyzer-feasibility.
        * doc/invoke.texi (Static Analyzer Options): Add
        -fno-analyzer-feasibility.

2020-09-24  Paul A. Clarke  <pc@us.ibm.com>

        * doc/extend.texi: Add 'd' for doubleword variant of
        vector insert instruction.

2020-09-23  Martin Sebor  <msebor@redhat.com>

        * gimple-array-bounds.cc (build_zero_elt_array_type): New function.
        (array_bounds_checker::check_mem_ref): Call it.

2020-09-23  Martin Sebor  <msebor@redhat.com>

        PR middle-end/97175
        * builtins.c (maybe_warn_for_bound): Handle both DECLs and EXPRESSIONs
        in pad->dst.ref, same is pad->src.ref.

2020-09-23  Jan Hubicka  <jh@suse.cz>

        * ipa-fnsummary.c (refs_local_or_readonly_memory_p): New function.
        (points_to_local_or_readonly_memory_p): New function.
        * ipa-fnsummary.h (refs_local_or_readonly_memory_p): Declare.
        (points_to_local_or_readonly_memory_p): Declare.
        * ipa-modref.c (record_access_p): Use refs_local_or_readonly_memory_p.
        * ipa-pure-const.c (check_op): Likewise.

2020-09-23  Tom de Vries  <tdevries@suse.de>

        * config/nvptx/nvptx.md: Don't allow operand containing sum of
        function ref and const.

2020-09-23  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_salt_type): New enum.
        (aarch64_stack_protect_canary_mem): Declare.
        * config/aarch64/aarch64.md (UNSPEC_SALT_ADDR): New unspec.
        (stack_protect_set): Forward to stack_protect_combined_set.
        (stack_protect_combined_set): New pattern.  Use
        aarch64_stack_protect_canary_mem.
        (reg_stack_protect_address_<mode>): Add a salt operand.
        (stack_protect_test): Forward to stack_protect_combined_test.
        (stack_protect_combined_test): New pattern.  Use
        aarch64_stack_protect_canary_mem.
        * config/aarch64/aarch64.c (strip_salt): New function.
        (strip_offset_and_salt): Likewise.
        (tls_symbolic_operand_type): Use strip_offset_and_salt.
        (aarch64_stack_protect_canary_mem): New function.
        (aarch64_cannot_force_const_mem): Use strip_offset_and_salt.
        (aarch64_classify_address): Likewise.
        (aarch64_symbolic_address_p): Likewise.
        (aarch64_print_operand): Likewise.
        (aarch64_output_addr_const_extra): New function.
        (aarch64_tls_symbol_p): Use strip_salt.
        (aarch64_classify_symbol): Likewise.
        (aarch64_legitimate_pic_operand_p): Use strip_offset_and_salt.
        (aarch64_legitimate_constant_p): Likewise.
        (aarch64_mov_operand_p): Use strip_salt.
        (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Override.

2020-09-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/71233
        * config/aarch64/arm_neon.h (vreinterpretq_f64_p128,
        vreinterpretq_p128_f64): Define.

2020-09-23  Alex Coplan  <alex.coplan@arm.com>

        * config/arm/arm-cpus.in (neoverse-v1): New.
        * config/arm/arm-tables.opt: Regenerate.
        * config/arm/arm-tune.md: Regenerate.
        * doc/invoke.texi: Document support for Neoverse V1.

2020-09-23  Alex Coplan  <alex.coplan@arm.com>

        * config/aarch64/aarch64-cores.def: Add Neoverse V1.
        * config/aarch64/aarch64-tune.md: Regenerate.
        * doc/invoke.texi: Document support for Neoverse V1.

2020-09-23  Richard Biener  <rguenther@suse.de>

        PR middle-end/96453
        * gimple-isel.cc (gimple_expand_vec_cond_expr): Remove
        LT_EXPR -> NE_EXPR verification and also apply it for
        non-constant masks.

2020-09-23  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-modref.c (modref_summary::lto_useful_p): New member function.
        (modref_summary::useful_p): New member function.
        (analyze_function): Drop useless summaries.
        (modref_write): Skip useless summaries.
        (pass_ipa_modref::execute): Drop useless summaries.
        * ipa-modref.h (struct GTY): Declare useful_p and lto_useful_p.
        * tree-ssa-alias.c (dump_alias_stats): Fix.
        (modref_may_conflict): Fix stats.

2020-09-23  Richard Biener  <rguenther@suse.de>

        PR middle-end/96466
        * internal-fn.c (expand_vect_cond_mask_optab_fn): Use
        appropriate mode for force_reg.
        * tree.c (build_truth_vector_type_for): Pass VOIDmode to
        make_vector_type.

2020-09-23  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-vectorizer.h (determine_peel_for_niter): Delete in favor of...
        (vect_determine_partial_vectors_and_peeling): ...this new function.
        * tree-vect-loop-manip.c (vect_update_epilogue_niters): New function.
        Reject using vector epilogue loops for single iterations.  Install
        the constant number of epilogue loop iterations in the associated
        loop_vinfo.  Rely on vect_determine_partial_vectors_and_peeling
        to do the main part of the test.
        (vect_do_peeling): Use vect_update_epilogue_niters to handle
        epilogue loops with a known number of iterations.  Skip recomputing
        the number of iterations later in that case.  Otherwise, use
        vect_determine_partial_vectors_and_peeling to decide whether the
        epilogue loop needs to use partial vectors or peeling.
        * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Set the
        default can_use_partial_vectors_p to false if partial-vector-usage=0.
        (determine_peel_for_niter): Remove in favor of...
        (vect_determine_partial_vectors_and_peeling): ...this new function,
        split out from...
        (vect_analyze_loop_2): ...here.  Reflect the vect_verify_full_masking
        and vect_verify_loop_lens results in CAN_USE_PARTIAL_VECTORS_P
        rather than USING_PARTIAL_VECTORS_P.

2020-09-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/71233
        * config/aarch64/aarch64-simd-builtins.def (frintn): Use BUILTIN_VHSDF_HSDF
        for modes.  Remove explicit hf instantiation.
        * config/aarch64/arm_neon.h (vrndns_f32): Define.

2020-09-23  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97173
        * tree-vect-loop.c (vectorizable_live_operation): Extend
        assert to also conver element conversions.

2020-09-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/71233
        * config/aarch64/arm_neon.h (vtrn1q_p64, vtrn2q_p64, vuzp1q_p64,
        vuzp2q_p64, vzip1q_p64, vzip2q_p64): Define.

2020-09-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/71233
        * config/aarch64/arm_neon.h (vldrq_p128): Define.

2020-09-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/71233
        * config/aarch64/arm_neon.h (vstrq_p128): Define.

2020-09-23  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97151
        * tree-ssa-structalias.c (find_func_aliases_for_call):
        DECL_IS_REPLACEABLE_OPERATOR_DELETE_P has no effect on
        arguments.

2020-09-23  Richard Biener  <rguenther@suse.de>

        PR middle-end/97162
        * alias.c (compare_base_decls): Use DECL_HARD_REGISTER
        and guard with VAR_P.

2020-09-23  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/97069
        * profile.c (branch_prob): Line number must be at least 1.

2020-09-23  Tom de Vries  <tdevries@suse.de>

        PR target/97158
        * config/nvptx/nvptx.c (nvptx_output_mov_insn): Handle move from
        DF subreg to DF reg.

2020-09-23  David Malcolm  <dmalcolm@redhat.com>

        * Makefile.in: Add $(ZLIBINC) to CFLAGS-analyzer/engine.o.

2020-09-22  Jan Hubicka  <jh@suse.cz>

        * ipa-modref.c (analyze_stmt): Ignore gimple clobber.

2020-09-22  Jan Hubicka  <jh@suse.cz>

        * ipa-modref-tree.c: Add namespace selftest.
        (modref_tree_c_tests): Rename to ...
        (ipa_modref_tree_c_tests): ... this.
        * ipa-modref.c (pass_modref): Remove destructor.
        (ipa_modref_c_finalize): New function.
        * ipa-modref.h (ipa_modref_c_finalize): Declare.
        * selftest-run-tests.c (selftest::run_tests): Call
        ipa_modref_c_finalize.
        * selftest.h (ipa_modref_tree_c_tests): Declare.
        * toplev.c: Include ipa-modref-tree.h and ipa-modref.h
        (toplev::finalize): Call ipa_modref_c_finalize.

2020-09-22  David Malcolm  <dmalcolm@redhat.com>

        * doc/analyzer.texi (Other Debugging Techniques): Mention
        -fdump-analyzer-json.
        * doc/invoke.texi (Static Analyzer Options): Add
        -fdump-analyzer-json.

2020-09-22  David Faust  <david.faust@oracle.com>

        * config/bpf/bpf.md: Add defines for signed div and mod operators.

2020-09-22  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/96979
        * doc/invoke.texi: Document new param max-switch-clustering-attempts.
        * params.opt: Add new parameter.
        * tree-switch-conversion.c (jump_table_cluster::find_jump_tables):
        Limit number of attempts.
        (bit_test_cluster::find_bit_tests): Likewise.

2020-09-22  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>

        * config/s390/s390.md ("*cmp<mode>_ccs_0", "*cmp<mode>_ccz_0",
        "*cmp<mode>_ccs_0_fastmath"): Basically change "*cmp<mode>_ccs_0" into
        "*cmp<mode>_ccz_0" and for fast math add "*cmp<mode>_ccs_0_fastmath".

2020-09-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/71233
        * config/aarch64/arm_neon.h (vcls_u8, vcls_u16, vcls_u32,
        vclsq_u8, vclsq_u16, vclsq_u32): Define.

2020-09-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/71233
        * config/aarch64/arm_neon.h (vceqq_p64, vceqz_p64, vceqzq_p64): Define.

2020-09-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        PR target/71233
        * config/aarch64/arm_neon.h (vadd_p8, vadd_p16, vadd_p64, vaddq_p8,
        vaddq_p16, vaddq_p64, vaddq_p128): Define.

2020-09-22  Jakub Jelinek  <jakub@redhat.com>

        * params.opt (--param=modref-max-tests=): Fix typo in help text:
        perofmed -> performed.
        * common.opt: Fix typo: incrmeental -> incremental.
        * ipa-modref.c: Fix typos: recroding -> recording, becaue -> because,
        analsis -> analysis.
        (class modref_summaries): Fix typo: betweehn -> between.
        (analyze_call): Fix typo: calle -> callee.
        (read_modref_records): Fix typo: expcted -> expected.
        (pass_ipa_modref::execute): Fix typo: calle -> callee.

2020-09-22  Jakub Jelinek  <jakub@redhat.com>

        * common.opt (-fipa-modref): Add dot at the end of option help.
        * params.opt (--param=modref-max-tests=): Likewise.

2020-09-21  Marek Polacek  <polacek@redhat.com>

        * doc/invoke.texi: Document -Wctad-maybe-unsupported.

2020-09-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97139
        * tree-vect-slp.c (vect_bb_slp_mark_live_stmts): Only mark the
        pattern root, track visited vectorized stmts.

2020-09-21  Jakub Jelinek  <jakub@redhat.com>

        * configure.ac: Use mallinfo mallinfo2 as first operand of
        gcc_AC_CHECK_DECLS rather than [mallinfo, mallinfo2].
        * configure: Regenerated.
        * config.in: Regenerated.

2020-09-21  Andrea Corallo  <andrea.corallo@arm.com>

        * config/aarch64/aarch64-builtins.c
        (aarch64_general_expand_builtin): Use expand machinery not to
        alter the value of an rtx returned by force_reg.

2020-09-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97135
        * tree-ssa-loop-im.c (sm_seq_push_down): Do not ignore
        self-dependences.

2020-09-21  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/96915
        * tree-switch-conversion.c (switch_conversion::expand): Accept
        also integer constants.

2020-09-21  Martin Liska  <mliska@suse.cz>

        * print-tree.c (print_node): Remove extra space.

2020-09-21  Andrea Corallo  <andrea.corallo@arm.com>

        PR target/96968
        * config/aarch64/aarch64-builtins.c
        (aarch64_expand_fpsr_fpcr_setter): Fix comment nit.
        (aarch64_expand_fpsr_fpcr_getter): New function, expand these
        getters using expand_insn machinery.
        (aarch64_general_expand_builtin): Make use of.

2020-09-21  Martin Liska  <mliska@suse.cz>

        * ggc-common.c (ggc_rlimit_bound): Use ONE_? macro.
        (ggc_min_expand_heuristic): Likewise.
        (ggc_min_heapsize_heuristic): Likewise.
        * ggc-page.c (ggc_collect): Likewise.
        * system.h (ONE_G): Likewise.

2020-09-21  Martin Liska  <mliska@suse.cz>

        * ggc-common.c (ggc_prune_overhead_list): Use SIZE_AMOUNT.
        * ggc-page.c (release_pages): Likewise.
        (ggc_collect): Likewise.
        (ggc_trim): Likewise.
        (ggc_grow): Likewise.
        * timevar.c (timer::print): Likewise.

2020-09-21  Martin Liska  <mliska@suse.cz>

        * config.in: Regenerate.
        * configure: Likewise.
        * configure.ac: Detect for mallinfo2.
        * ggc-common.c (defined): Use it.
        * system.h: Handle also HAVE_MALLINFO2.

2020-09-20  John David Anglin  < danglin@gcc.gnu.org>

        * config/pa/pa-hpux11.h (LINK_GCC_C_SEQUENCE_SPEC): Delete.
        * config/pa/pa64-hpux.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
        (ENDFILE_SPEC): Link with libgcc_stub.a and mill.a.
        * config/pa/pa32-linux.h (ENDFILE_SPEC): Link with libgcc.a.

2020-09-20  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-modref.c (dump_lto_records): Fix ICE.

2020-09-20  David Cepelik  <d@dcepelik.cz>
            Jan Hubicka  <hubicka@ucw.cz>

        * Makefile.in: Add ipa-modref.c and ipa-modref-tree.c.
        * alias.c: (reference_alias_ptr_type_1): Export.
        * alias.h (reference_alias_ptr_type_1): Declare.
        * common.opt (fipa-modref): New.
        * gengtype.c (open_base_files): Add ipa-modref-tree.h and ipa-modref.h
        * ipa-modref-tree.c: New file.
        * ipa-modref-tree.h: New file.
        * ipa-modref.c: New file.
        * ipa-modref.h: New file.
        * lto-section-in.c (lto_section_name): Add ipa_modref.
        * lto-streamer.h (enum lto_section_type): Add LTO_section_ipa_modref.
        * opts.c (default_options_table): Enable ipa-modref at -O1+.
        * params.opt (-param=modref-max-bases, -param=modref-max-refs,
        -param=modref-max-tests): New params.
        * passes.def: Schedule pass_modref and pass_ipa_modref.
        * timevar.def (TV_IPA_MODREF): New timevar.
        (TV_TREE_MODREF): New timevar.
        * tree-pass.h (make_pass_modref): Declare.
        (make_pass_ipa_modref): Declare.
        * tree-ssa-alias.c (dump_alias_stats): Include ipa-modref-tree.h
        and ipa-modref.h
        (alias_stats): Add modref_use_may_alias, modref_use_no_alias,
        modref_clobber_may_alias, modref_clobber_no_alias, modref_tests.
        (dump_alias_stats): Dump new stats.
        (nonoverlapping_array_refs_p): Fix formating.
        (modref_may_conflict): New function.
        (ref_maybe_used_by_call_p_1): Use it.
        (call_may_clobber_ref_p_1): Use it.
        (call_may_clobber_ref_p): Update.
        (stmt_may_clobber_ref_p_1): Update.
        * tree-ssa-alias.h (call_may_clobber_ref_p_1): Update.

2020-09-19  Martin Sebor  <msebor@redhat.com>

        PR middle-end/82608
        PR middle-end/94195
        PR c/50584
        PR middle-end/84051
        * gimple-array-bounds.cc (get_base_decl): New function.
        (get_ref_size): New function.
        (trailing_array): New function.
        (array_bounds_checker::check_array_ref): Call them.  Handle arrays
        declared in function parameters.
        (array_bounds_checker::check_mem_ref):  Same.  Handle references to
        dynamically allocated arrays.

2020-09-19  Martin Sebor  <msebor@redhat.com>

        PR c/50584
        * builtins.c (warn_for_access): Add argument.  Distinguish between
        reads and writes.
        (check_access): Add argument.  Distinguish between reads and writes.
        (gimple_call_alloc_size): Set range even on failure.
        (gimple_parm_array_size): New function.
        (compute_objsize): Call it.
        (check_memop_access): Pass check_access an additional argument.
        (expand_builtin_memchr, expand_builtin_strcat): Same.
        (expand_builtin_strcpy, expand_builtin_stpcpy_1): Same.
        (expand_builtin_stpncpy, check_strncat_sizes): Same.
        (expand_builtin_strncat, expand_builtin_strncpy): Same.
        (expand_builtin_memcmp): Same.
        * builtins.h (compute_objsize): Declare a new overload.
        (gimple_parm_array_size): Declare.
        (check_access): Add argument.
        * calls.c (append_attrname): Simplify.
        (maybe_warn_rdwr_sizes): Handle internal attribute access.
        * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Avoid adding
        quotes.

2020-09-19  Martin Sebor  <msebor@redhat.com>

        * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Handle attribute
        access internal representation of arrays.

2020-09-19  Martin Sebor  <msebor@redhat.com>

        PR c/50584
        * attribs.c (decl_attributes): Also pass decl along with type
        attributes to handlers.
        (init_attr_rdwr_indices): Change second argument to attribute chain.
        Handle internal attribute representation in addition to external.
        (get_parm_access): New function.
        (attr_access::to_internal_string): Define new member function.
        (attr_access::to_external_string): Define new member function.
        (attr_access::vla_bounds): Define new member function.
        * attribs.h (struct attr_access): Declare new members.
        (attr_access::from_mode_char): Define new member function.
        (get_parm_access): Declare new function.
        * calls.c (initialize_argument_information): Pass function type
        attributes to init_attr_rdwr_indices.
        * doc/invoke.texi (-Warray-parameter, -Wvla-parameter): Document.
        * tree-pretty-print.c (dump_generic_node): Correct handling of
        qualifiers.
        * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Same.
        * tree.h (access_mode): Add new enumerator.

2020-09-19  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/generic.texi (Basic Statements): Document SWITCH_EXPR here,
        not SWITCH_STMT.
        (Statements for C and C++): Rename node to reflect what
        the introduction already says about sharing between C and C++
        front ends.  Copy-edit and correct documentation for structured
        loops and switch.

2020-09-19  liuhongt  <hongtao.liu@intel.com>

        PR target/96861
        * config/i386/x86-tune-costs.h (skylake_cost): increase rtx
        cost of sse_to_integer from 2 to 6.

2020-09-18  Sudi Das  <sudi.das@arm.com>
            Omar Tahir  <omar.tahir@arm.com>

        * config/arm/thumb2.md (*thumb2_csneg): New.
        (*thumb2_negscc): Don't match if TARGET_COND_ARITH.
        * config/arm/arm.md (*if_neg_move): Don't match if TARGET_COND_ARITH.

2020-09-18  Sudi Das  <sudi.das@arm.com>
            Omar Tahir  <omar.tahir@arm.com>

        * config/arm/thumb2.md (*thumb2_csinc): New.
        (*thumb2_cond_arith): Generate CINC where possible.

2020-09-18  Sudi Das  <sudi.das@arm.com>
            Omar Tahir  <omar.tahir@arm.com>

        * config/arm/arm.h (TARGET_COND_ARITH): New macro.
        * config/arm/arm.c (arm_have_conditional_execution): Return false if
        TARGET_COND_ARITH before reload.
        * config/arm/predicates.md (arm_comparison_operation): Returns true if
        comparing CC_REGNUM with constant zero.
        * config/arm/thumb2.md (*thumb2_csinv): New.
        (*thumb2_movcond): Don't match if TARGET_COND_ARITH.

2020-09-18  Richard Sandiford  <richard.sandiford@arm.com>

        PR middle-end/91957
        * ira.c (ira_setup_eliminable_regset): Skip the special elimination
        handling of the hard frame pointer if the hard frame pointer is fixed.

2020-09-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97081
        * tree-vect-patterns.c (vect_recog_rotate_pattern): Use the
        precision of the shifted operand to determine the mask.

2020-09-18  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430.c (msp430_print_operand): Update comment.
        Cast to long when printing values formatted as long.
        Support 'd', 'e', 'f' and 'g' modifiers.
        Extract operand value with a single operation for all modifiers.
        * doc/extend.texi (msp430Operandmodifiers): New.

2020-09-18  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430.c (increment_stack): Mark insns which increment
        the stack as frame_related.
        (msp430_expand_prologue): Add comments.
        (msp430_expand_epilogue): Mark insns which decrement
        the stack as frame_related.
        Add reg_note to stack pop insns describing position of register
        variables on the stack.

2020-09-18  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-tree.c (execute_omp_gcn): Delete.
        (make_pass_omp_gcn): Delete.
        * config/gcn/t-gcn-hsa (PASSES_EXTRA): Delete.
        * config/gcn/gcn-passes.def: Removed.

2020-09-18  Alex Coplan  <alex.coplan@arm.com>

        * cfgloop.h (nb_iter_bound): Reword comment describing is_exit.

2020-09-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97095
        * tree-vect-loop.c (vectorizable_live_operation): Get
        the SLP vector type from the correct object.

2020-09-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97089
        * tree-ssa-sccvn.c (visit_nary_op): Do not replace unsigned
        divisions.

2020-09-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97098
        * tree-vect-slp.c (vect_bb_slp_mark_live_stmts): Do not
        recurse to children when all stmts were already visited.

2020-09-17  Sergei Trofimovich  <siarheit@google.com>

        * profile.c (sort_hist_values): Clarify hist format:
        start with a value, not counter.

2020-09-17  Yeting Kuo  <fakepaper56@gmail.com>

        * config/riscv/riscv.h (CSW_MAX_OFFSET): Fix typo.

2020-09-17  Patrick Palka  <ppalka@redhat.com>

        PR c/80076
        * gensupport.c (alter_attrs_for_subst_insn) <case SET_ATTR>:
        Reduce indentation of misleadingly indented code fragment.
        * lra-constraints.c (multi_block_pseudo_p): Likewise.
        * sel-sched-ir.c (merge_fences): Likewise.

2020-09-17  Martin Sebor  <msebor@redhat.com>

        * doc/invoke.texi (-Wuninitialized): Document -Wuninitialized for
        allocated objects.
         (-Wmaybe-uninitialized): Same.

2020-09-17  Richard Biener  <rguenther@suse.de>

        * tree-ssa-sccvn.c (visit_nary_op): Value-number multiplications
        and divisions to negates of available negated forms.

2020-09-17  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/97078
        * function.c (use_register_for_decl): Test cfun->tail_call_marked
        for a parameter here instead of...
        (assign_parm_setup_reg): ...here.

2020-09-17  Aldy Hernandez  <aldyh@redhat.com>

        * range-op.cc (multi_precision_range_tests): Normalize symbolics when copying to a
        multi-range.
        * value-range.cc (irange::copy_legacy_range): Add test.

2020-09-17  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_node::get_availability): Fix availability of
        functions in other partitions
        * varpool.c (varpool_node::get_availability): Likewise.

2020-09-17  Jojo R  <jiejie_rong@c-sky.com>

        * config/csky/csky.opt (msim): New.
        * doc/invoke.texi (C-SKY Options): Document -msim.
        * config/csky/csky-elf.h (LIB_SPEC): Add simulator runtime.

2020-09-17  Sergei Trofimovich  <siarheit@google.com>

        * doc/cppenv.texi: Use @code{} instead of @samp{@command{}}
        around 'date %s'.

2020-09-17  liuhongt  <hongtao.liu@intel.com>

        * common/config/i386/i386-common.c
        (OPTION_MASK_ISA_AVX_UNSET): Remove OPTION_MASK_ISA_XSAVE_UNSET.
        (OPTION_MASK_ISA_XSAVE_UNSET): Add OPTION_MASK_ISA_AVX_UNSET.

2020-09-16  Alexandre Oliva  <oliva@adacore.com>

        * config/rs6000/rs6000.c (have_compare_and_set_mask): Use
        E_*mode in cases.

2020-09-16  Bill Schmidt  <wschmidt@linux.ibm.com>

        * config/rs6000/predicates.md (current_file_function_operand):
        Remove argument from rs6000_pcrel_p call.
        * config/rs6000/rs6000-logue.c (rs6000_decl_ok_for_sibcall):
        Likewise.
        (rs6000_global_entry_point_prologue_needed_p): Likewise.
        (rs6000_output_function_prologue): Likewise.
        * config/rs6000/rs6000-protos.h (rs6000_function_pcrel_p): New
        prototype.
        (rs6000_pcrel_p): Remove argument.
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
        argument from rs6000_pcrel_p call.
        (rs6000_call_template_1): Likewise.
        (rs6000_indirect_call_template_1): Likewise.
        (rs6000_longcall_ref): Likewise.
        (rs6000_call_aix): Likewise.
        (rs6000_sibcall_aix): Likewise.
        (rs6000_function_pcrel_p): Rename from rs6000_pcrel_p.
        (rs6000_pcrel_p): Rewrite.
        * config/rs6000/rs6000.md (*pltseq_plt_pcrel<mode>): Remove
        argument from rs6000_pcrel_p call.
        (*call_local<mode>): Likewise.
        (*call_value_local<mode>): Likewise.
        (*call_nonlocal_aix<mode>): Likewise.
        (*call_value_nonlocal_aix<mode>): Likewise.
        (*call_indirect_pcrel<mode>): Likewise.
        (*call_value_indirect_pcrel<mode>): Likewise.

2020-09-16  Marek Polacek  <polacek@redhat.com>

        PR preprocessor/96935
        * input.c (get_substring_ranges_for_loc): Return if start.column
        is less than 1.

2020-09-16  Martin Sebor  <msebor@redhat.com>

        PR middle-end/96295
        * tree-ssa-uninit.c (maybe_warn_operand): Work harder to avoid
        warning for objects of empty structs

2020-09-16  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-eh.c (lower_try_finally_dup_block): Backward propagate slocs
        to stack restore builtin calls.
        (cleanup_all_empty_eh): Do again a post-order traversal of the EH
        region tree.

2020-09-16  Andrea Corallo  <andrea.corallo@arm.com>

        * tree-vect-loop.c (vect_need_peeling_or_partial_vectors_p): New
        function.
        (vect_analyze_loop_2): Make use of it not to select partial
        vectors if no peel is required.
        (determine_peel_for_niter): Move out some logic into
        'vect_need_peeling_or_partial_vectors_p'.

2020-09-16  H.J. Lu  <hjl.tools@gmail.com>

        PR target/97032
        * cfgexpand.c (asm_clobber_reg_kind): Set sp_is_clobbered_by_asm
        to true if the stack pointer is clobbered by asm statement.
        * emit-rtl.h (rtl_data): Add sp_is_clobbered_by_asm.
        * config/i386/i386.c (ix86_get_drap_rtx): Set need_drap to true
        if the stack pointer is clobbered by asm statement.

2020-09-16  Ilya Leoshkevich  <iii@linux.ibm.com>

        * config/s390/vector.md(*vec_tf_to_v1tf): Use "f" instead of "v"
          for the source operand.

2020-09-16  Jojo R  <jiejie_rong@c-sky.com>

        * config.gcc (C-SKY): Set use_gcc_stdint=wrap for elf target.

2020-09-16  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (_stmt_vec_info::num_slp_uses): Remove.
        (STMT_VINFO_NUM_SLP_USES): Likewise.
        (vect_free_slp_instance): Adjust.
        (vect_update_shared_vectype): Declare.
        * tree-vectorizer.c (vec_info::~vec_info): Adjust.
        * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
        (vectorizable_live_operation): Use vector type from
        SLP_TREE_REPRESENTATIVE.
        (vect_transform_loop): Adjust.
        * tree-vect-data-refs.c (vect_slp_analyze_node_alignment):
        Set the shared vector type.
        * tree-vect-slp.c (vect_free_slp_tree): Remove final_p
        parameter, remove STMT_VINFO_NUM_SLP_USES updating.
        (vect_free_slp_instance): Adjust.
        (vect_create_new_slp_node): Remove STMT_VINFO_NUM_SLP_USES
        updating.
        (vect_update_shared_vectype): Always compare with the
        present vector type, update if NULL.
        (vect_build_slp_tree_1): Do not update the shared vector
        type here.
        (vect_build_slp_tree_2): Adjust.
        (slp_copy_subtree): Likewise.
        (vect_attempt_slp_rearrange_stmts): Likewise.
        (vect_analyze_slp_instance): Likewise.
        (vect_analyze_slp): Likewise.
        (vect_slp_analyze_node_operations_1): Update the shared
        vector type.
        (vect_slp_analyze_operations): Adjust.
        (vect_slp_analyze_bb_1): Likewise.

2020-09-16  Jojo R  <jiejie_rong@c-sky.com>

        * config/csky/t-csky-linux (CSKY_MULTILIB_OSDIRNAMES): Use mfloat-abi.
        (MULTILIB_OPTIONS): Likewise.
        * config/csky/t-csky-elf (MULTILIB_OPTIONS): Likewise.
        (MULTILIB_EXCEPTIONS): Likewise.

2020-09-16  Jakub Jelinek  <jakub@redhat.com>

        * config/arm/arm.c (arm_option_restore): Comment out opts argument
        name to avoid unused parameter warnings.

2020-09-16  Jakub Jelinek  <jakub@redhat.com>

        * optc-save-gen.awk: In cl_optimization_stream_out use
        bp_pack_var_len_{int,unsigned} instead of bp_pack_value.  In
        cl_optimization_stream_in use bp_unpack_var_len_{int,unsigned}
        instead of bp_unpack_value.  Formatting fix.

2020-09-16  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/97053
        * gimple-ssa-store-merging.c (check_no_overlap): Add FIRST_ORDER,
        START, FIRST_EARLIER and LAST_EARLIER arguments.  Return false if
        any stores between FIRST_EARLIER inclusive and LAST_EARLIER exclusive
        has order in between FIRST_ORDER and LAST_ORDER and overlaps the to
        be merged store.
        (imm_store_chain_info::try_coalesce_bswap): Add FIRST_EARLIER argument.
        Adjust check_no_overlap caller.
        (imm_store_chain_info::coalesce_immediate_stores): Add first_earlier
        and last_earlier variables, adjust them during iterations.  Adjust
        check_no_overlap callers, call check_no_overlap even when extending
        overlapping stores by extra INTEGER_CST stores.

2020-09-16  Jojo R  <jiejie_rong@c-sky.com>

        * config/csky/csky-linux-elf.h (GLIBC_DYNAMIC_LINKER): Use mfloat-abi.

2020-09-16  Kewen Lin  <linkw@linux.ibm.com>

        PR target/97019
        * config/rs6000/rs6000-p8swap.c (find_alignment_op): Adjust to
        support multiple defintions which are all AND operations with
        the mask -16B.
        (recombine_lvx_pattern): Adjust to handle multiple AND operations
        from find_alignment_op.
        (recombine_stvx_pattern): Likewise.

2020-09-16  Jojo R  <jiejie_rong@c-sky.com>

        * config/csky/csky.md (CSKY_NPARM_FREGS): New.
        (call_value_internal_vs/d): New.
        (untyped_call): New.
        * config/csky/csky.h (TARGET_SINGLE_FPU): New.
        (TARGET_DOUBLE_FPU): New.
        (FUNCTION_VARG_REGNO_P): New.
        (CSKY_VREG_MODE_P): New.
        (FUNCTION_VARG_MODE_P): New.
        (CUMULATIVE_ARGS): Add extra regs info.
        (INIT_CUMULATIVE_ARGS): Use csky_init_cumulative_args.
        (FUNCTION_ARG_REGNO_P): Use FUNCTION_VARG_REGNO_P.
        * config/csky/csky-protos.h (csky_init_cumulative_args): Extern.
        * config/csky/csky.c (csky_cpu_cpp_builtins): Support TARGET_HARD_FLOAT_ABI.
        (csky_function_arg): Likewise.
        (csky_num_arg_regs): Likewise.
        (csky_function_arg_advance): Likewise.
        (csky_function_value): Likewise.
        (csky_libcall_value): Likewise.
        (csky_function_value_regno_p): Likewise.
        (csky_arg_partial_bytes): Likewise.
        (csky_setup_incoming_varargs): Likewise.
        (csky_init_cumulative_args): New.

2020-09-16  Bill Schmidt  <wschmidt@linux.ibm.com>

        * config/rs6000/rs6000-call.c (altivec_init_builtins): Fix name
        of __builtin_altivec_xst_len_r.

2020-09-15  Ilya Leoshkevich  <iii@linux.ibm.com>

        * rtlanal.c (set_noop_p): Treat subregs of registers in
        different modes conservatively.

2020-09-15  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_get_and_check_slp_defs): Make swap
        argument by-value and do not change it.
        (vect_build_slp_tree_2): Adjust, set swap to NULL after last
        use.

2020-09-15  Feng Xue  <fxue@os.amperecomputing.com>

        PR tree-optimization/94234
        * match.pd (T)(A) +- (T)(B) -> (T)(A +- B): New simplification.

2020-09-15  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/96475
        * bb-reorder.c (duplicate_computed_gotos): If we did anything, run
        cleanup_cfg.

2020-09-15  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_build_slp_tree_2): Also consider
        building an operand from scalars when building it did not
        fail fatally but avoid messing with the upcall splitting
        of groups.

2020-09-15  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm.c (arm_options_perform_arch_sanity_checks): Do not
        check +D32 for CMSE if -mfloat-abi=soft

2020-09-15  liuhongt  <hongtao.liu@intel.com>

        PR target/96744
        * config/i386/x86-tune-costs.h (struct processor_costs):
        Increase mask <-> integer cost for non AVX512 target to avoid
        spill gpr to mask. Also retune mask <-> integer and
        mask_load/store for skylake_cost.

2020-09-15  Jakub Jelinek  <jakub@redhat.com>

        PR target/97028
        * config/i386/sse.md (mul<mode>3<mask_name>_bcs,
        <avx512>_div<mode>3<mask_name>_bcst): Use <avx512bcst> instead of
        <<avx512bcst>>.

2020-09-15  Tobias Burnus  <tobias@codesourcery.com>

        PR fortran/96668
        * gimplify.c (gimplify_omp_for): Add 'bool openacc' argument;
        update omp_finish_clause calls.
        (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses,
        gimplify_expr, gimplify_omp_loop): Update omp_finish_clause
        and/or gimplify_for calls.
        * langhooks-def.h (lhd_omp_finish_clause): Add bool openacc arg.
        * langhooks.c (lhd_omp_finish_clause): Likewise.
        * langhooks.h (lhd_omp_finish_clause): Likewise.
        * omp-low.c (scan_sharing_clauses): Keep GOMP_MAP_TO_PSET cause for
        'declare target' vars.

2020-09-15  Feng Xue  <fxue@os.amperecomputing.com>

        PR tree-optimization/94234
        * genmatch.c (dt_simplify::gen_1): Emit check on final simplification
        result when "!" is specified on toplevel output expr.
        * match.pd ((A * C) +- (B * C) -> (A +- B) * C): Allow folding on expr
        with multi-use operands if final result is a simple gimple value.

2020-09-14  Sergei Trofimovich  <siarheit@google.com>

        * doc/invoke.texi: fix '-fprofile-reproducibility' option
        spelling in manual.

2020-09-14  Jose E. Marchesi  <jose.marchesi@oracle.com>

        * config/bpf/bpf.md ("nop"): Re-define as `ja 0'.

2020-09-14  Eric Botcazou  <ebotcazou@adacore.com>

        * cgraphunit.c (cgraph_node::expand_thunk): Make sure to set
        cfun->tail_call_marked when forcing a tail call.
        * function.c (assign_parm_setup_reg): Always use a register to
        load a parameter passed by reference if cfun->tail_call_marked.

2020-09-14  Pat Haugen  <pthaugen@linux.ibm.com>

        * config/rs6000/power10.md (power10-mffgpr, power10-mftgpr): Rename to
        power10-mtvsr/power10-mfvsr.
        * config/rs6000/power6.md (X2F_power6, power6-mftgpr, power6-mffgpr):
        Remove.
        * config/rs6000/power8.md (power8-mffgpr, power8-mftgpr): Rename to
        power8-mtvsr/power8-mfvsr.
        * config/rs6000/power9.md (power9-mffgpr, power9-mftgpr): Rename to
        power9-mtvsr/power9-mfvsr.
        * config/rs6000/rs6000.c (rs6000_adjust_cost): Remove Power6
        TYPE_MFFGPR cases.
        * config/rs6000/rs6000.md (mffgpr, mftgpr, zero_extendsi<mode>2,
        extendsi<mode>2, @signbit<mode>2_dm, lfiwax, lfiwzx, *movsi_internal1,
        movsi_from_sf, *movdi_from_sf_zero_ext, *mov<mode>_internal,
        movsd_hardfloat, movsf_from_si, *mov<mode>_hardfloat64, p8_mtvsrwz,
        p8_mtvsrd_df, p8_mtvsrd_sf, p8_mfvsrd_3_<mode>, *movdi_internal64,
        unpack<mode>_dm): Rename mffgpr/mftgpr to mtvsr/mfvsr.
        * config/rs6000/vsx.md (vsx_mov<mode>_64bit, vsx_extract_<mode>,
        vsx_extract_si, *vsx_extract_<mode>_p8): Likewise.

2020-09-14  Jakub Jelinek  <jakub@redhat.com>

        * config/arm/arm.opt (x_arm_arch_string, x_arm_cpu_string,
        x_arm_tune_string): Remove TargetSave entries.
        (march=, mcpu=, mtune=): Add Save keyword.
        * config/arm/arm.c (arm_option_save): Remove.
        (TARGET_OPTION_SAVE): Don't redefine.
        (arm_option_restore): Don't restore x_arm_*_string here.

2020-09-14  Jakub Jelinek  <jakub@redhat.com>

        * opt-read.awk: Also initialize extra_target_var_types array.
        * opth-gen.awk: Emit explicit_mask arrays to struct cl_optimization
        and cl_target_option.  Adjust cl_optimization_save,
        cl_optimization_restore, cl_target_option_save and
        cl_target_option_restore declarations.
        * optc-save-gen.awk: Add opts_set argument to cl_optimization_save,
        cl_optimization_restore, cl_target_option_save and
        cl_target_option_restore functions and save or restore opts_set
        next to the opts values into or from explicit_mask arrays.
        In cl_target_option_eq and cl_optimization_option_eq compare
        explicit_mask arrays, in cl_target_option_hash and cl_optimization_hash
        hash them and in cl_target_option_stream_out,
        cl_target_option_stream_in, cl_optimization_stream_out and
        cl_optimization_stream_in stream them.
        * tree.h (build_optimization_node, build_target_option_node): Add
        opts_set argument.
        * tree.c (build_optimization_node): Add opts_set argument, pass it
        to cl_optimization_save.
        (build_target_option_node): Add opts_set argument, pass it to
        cl_target_option_save.
        * function.c (invoke_set_current_function_hook): Adjust
        cl_optimization_restore caller.
        * ipa-inline-transform.c (inline_call): Adjust cl_optimization_restore
        and build_optimization_node callers.
        * target.def (TARGET_OPTION_SAVE, TARGET_OPTION_RESTORE): Add opts_set
        argument.
        * target-globals.c (save_target_globals_default_opts): Adjust
        cl_optimization_restore callers.
        * toplev.c (process_options): Adjust build_optimization_node and
        cl_optimization_restore callers.
        (target_reinit): Adjust cl_optimization_restore caller.
        * tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers):
        Adjust build_optimization_node and cl_optimization_restore callers.
        * doc/tm.texi: Updated.
        * config/aarch64/aarch64.c (aarch64_override_options): Adjust
        build_target_option_node caller.
        (aarch64_option_save, aarch64_option_restore): Add opts_set argument.
        (aarch64_set_current_function): Adjust cl_target_option_restore
        caller.
        (aarch64_option_valid_attribute_p): Adjust cl_target_option_save,
        cl_target_option_restore, cl_optimization_restore,
        build_optimization_node and build_target_option_node callers.
        * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse): Adjust
        cl_target_option_restore and build_target_option_node callers.
        * config/arm/arm.c (arm_option_save, arm_option_restore): Add
        opts_set argument.
        (arm_option_override): Adjust cl_target_option_save,
        build_optimization_node and build_target_option_node callers.
        (arm_set_current_function): Adjust cl_target_option_restore caller.
        (arm_valid_target_attribute_tree): Adjust build_target_option_node
        caller.
        (add_attribute): Formatting fix.
        (arm_valid_target_attribute_p): Adjust cl_optimization_restore,
        cl_target_option_restore, arm_valid_target_attribute_tree and
        build_optimization_node callers.
        * config/arm/arm-c.c (arm_pragma_target_parse): Adjust
        cl_target_option_restore callers.
        * config/csky/csky.c (csky_option_override): Adjust
        build_target_option_node and cl_target_option_save callers.
        * config/gcn/gcn.c (gcn_fixup_accel_lto_options): Adjust
        build_optimization_node and cl_optimization_restore callers.
        * config/i386/i386-builtins.c (get_builtin_code_for_version):
        Adjust cl_target_option_save and cl_target_option_restore
        callers.
        * config/i386/i386-c.c (ix86_pragma_target_parse): Adjust
        build_target_option_node and cl_target_option_restore callers.
        * config/i386/i386-options.c (ix86_function_specific_save,
        ix86_function_specific_restore): Add opts_set arguments.
        (ix86_valid_target_attribute_tree): Adjust build_target_option_node
        caller.
        (ix86_valid_target_attribute_p): Adjust build_optimization_node,
        cl_optimization_restore, cl_target_option_restore,
        ix86_valid_target_attribute_tree and build_optimization_node callers.
        (ix86_option_override_internal): Adjust build_target_option_node
        caller.
        (ix86_reset_previous_fndecl, ix86_set_current_function): Adjust
        cl_target_option_restore callers.
        * config/i386/i386-options.h (ix86_function_specific_save,
        ix86_function_specific_restore): Add opts_set argument.
        * config/nios2/nios2.c (nios2_option_override): Adjust
        build_target_option_node caller.
        (nios2_option_save, nios2_option_restore): Add opts_set argument.
        (nios2_valid_target_attribute_tree): Adjust build_target_option_node
        caller.
        (nios2_valid_target_attribute_p): Adjust build_optimization_node,
        cl_optimization_restore, cl_target_option_save and
        cl_target_option_restore callers.
        (nios2_set_current_function, nios2_pragma_target_parse): Adjust
        cl_target_option_restore callers.
        * config/pru/pru.c (pru_option_override): Adjust
        build_target_option_node caller.
        (pru_set_current_function): Adjust cl_target_option_restore
        callers.
        * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust
        cl_target_option_save caller.
        (rs6000_option_override_internal): Adjust build_target_option_node
        caller.
        (rs6000_valid_attribute_p): Adjust build_optimization_node,
        cl_optimization_restore, cl_target_option_save,
        cl_target_option_restore and build_target_option_node callers.
        (rs6000_pragma_target_parse): Adjust cl_target_option_restore and
        build_target_option_node callers.
        (rs6000_activate_target_options): Adjust cl_target_option_restore
        callers.
        (rs6000_function_specific_save, rs6000_function_specific_restore):
        Add opts_set argument.
        * config/s390/s390.c (s390_function_specific_restore): Likewise.
        (s390_option_override_internal): Adjust s390_function_specific_restore
        caller.
        (s390_option_override, s390_valid_target_attribute_tree): Adjust
        build_target_option_node caller.
        (s390_valid_target_attribute_p): Adjust build_optimization_node,
        cl_optimization_restore and cl_target_option_restore callers.
        (s390_activate_target_options): Adjust cl_target_option_restore
        caller.
        * config/s390/s390-c.c (s390_cpu_cpp_builtins): Adjust
        cl_target_option_save caller.
        (s390_pragma_target_parse): Adjust build_target_option_node and
        cl_target_option_restore callers.

2020-09-13  Roger Sayle  <roger@nextmovesoftware.com>

        * config/pa/pa.c (hppa_rtx_costs) [ASHIFT, ASHIFTRT, LSHIFTRT]:
        Provide accurate costs for DImode shifts of integer constants.

2020-09-12  Roger Sayle  <roger@nextmovesoftware.com>
            John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.md (shrpsi4_1, shrpsi4_2): New define_insns split
        out from previous shrpsi4 providing two commutitive variants using
        plus_xor_ior_operator as a predicate.
        (shrpdi4_1, shrpdi4_2, shrpdi_3, shrpdi_4): Likewise DImode versions
        where _1 and _2 take register shifts, and _3 and _4 for integers.
        (rotlsi3_internal): Name this anonymous instruction.
        (rotrdi3): New DImode insn copied from rotrsi3.
        (rotldi3): New DImode expander copied from rotlsi3.
        (rotldi4_internal): New DImode insn copied from rotsi3_internal.

2020-09-11  Michael Meissner  <meissner@linux.ibm.com>

        * config/rs6000/rs6000.c (rs6000_maybe_emit_maxc_minc): Rename
        from rs6000_emit_p9_fp_minmax.  Change return type to bool.  Add
        comments to document NaN/signed zero behavior.
        (rs6000_maybe_emit_fp_cmove): Rename from rs6000_emit_p9_fp_cmove.
        (have_compare_and_set_mask): New helper function.
        (rs6000_emit_cmove): Update calls to new names and the new helper
        function.

2020-09-11  Nathan Sidwell  <nathan@acm.org>

        * config/i386/sse.md (mov<mode>): Fix operand indices.

2020-09-11  Martin Sebor  <msebor@redhat.com>

        PR middle-end/96903
        * builtins.c (compute_objsize): Remove incorrect offset adjustment.
        (compute_objsize): Adjust offset range here instead.

2020-09-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97020
        * tree-vect-slp.c (vect_slp_analyze_operations): Apply
        SLP costs when doing loop vectorization.

2020-09-11  Tom de Vries  <tdevries@suse.de>

        PR target/96964
        * config/nvptx/nvptx.md (define_expand "atomic_test_and_set"): New
        expansion.

2020-09-11  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn.c (gcn_hard_regno_mode_ok): Align TImode registers.
        * config/gcn/gcn.md: Assert that TImode registers do not early clobber.

2020-09-11  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (_slp_instance::location): New method.
        (vect_schedule_slp): Adjust prototype.
        * tree-vectorizer.c (vec_info::remove_stmt): Adjust
        the BB region begin if we removed the stmt it points to.
        * tree-vect-loop.c (vect_transform_loop): Adjust.
        * tree-vect-slp.c (_slp_instance::location): Implement.
        (vect_analyze_slp_instance): For BB vectorization set
        vect_location to that of the instance.
        (vect_slp_analyze_operations): Likewise.
        (vect_bb_vectorization_profitable_p): Remove wrapper.
        (vect_slp_analyze_bb_1): Remove cost check here.
        (vect_slp_region): Cost check and code generate subgraphs separately,
        report optimized locations and missed optimizations due to
        profitability for each of them.
        (vect_schedule_slp): Get the vector of SLP graph entries to
        vectorize as argument.

2020-09-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/97013
        * tree-vect-slp.c (vect_slp_analyze_bb_1): Remove duplicate dumping.

2020-09-11  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_build_slp_tree_1): Check vector
        types for all lanes are compatible.
        (vect_analyze_slp_instance): Appropriately check for stores.
        (vect_schedule_slp): Likewise.

2020-09-11  Tom de Vries  <tdevries@suse.de>

        * config/nvptx/nvptx.c (nvptx_assemble_value): Fix undefined
        behaviour.

2020-09-11  Tom de Vries  <tdevries@suse.de>

        * config/nvptx/nvptx.c (nvptx_assemble_value): Handle negative
        __int128.

2020-09-11  Aaron Sawdey  <acsawdey@linux.ibm.com>

        * config/rs6000/rs6000.c (rs6000_option_override_internal):
        Change default.

2020-09-10  Michael Meissner  <meissner@linux.ibm.com>

        * config/rs6000/rs6000-protos.h (rs6000_emit_cmove): Change return
        type to bool.
        (rs6000_emit_int_cmove): Change return type to bool.
        * config/rs6000/rs6000.c (rs6000_emit_cmove): Change return type
        to bool.
        (rs6000_emit_int_cmove): Change return type to bool.

2020-09-10  Tom de Vries  <tdevries@suse.de>

        PR target/97004
        * config/nvptx/nvptx.c (nvptx_assemble_value): Handle shift by
        number of bits in shift operand.

2020-09-10  Jakub Jelinek  <jakub@redhat.com>

        * lto-streamer-out.c (collect_block_tree_leafs): Recurse on
        root rather than BLOCK_SUBBLOCKS (root).

2020-09-10  Alex Coplan  <alex.coplan@arm.com>

        * config/aarch64/aarch64-cores.def: Add Cortex-R82.
        * config/aarch64/aarch64-tune.md: Regenerate.
        * doc/invoke.texi: Add entry for Cortex-R82.

2020-09-10  Alex Coplan  <alex.coplan@arm.com>

        * common/config/aarch64/aarch64-common.c
        (aarch64_get_extension_string_for_isa_flags): Don't force +crc for
        Armv8-R.
        * config/aarch64/aarch64-arches.def: Add entry for Armv8-R.
        * config/aarch64/aarch64-c.c (aarch64_define_unconditional_macros): Set
        __ARM_ARCH_PROFILE correctly for Armv8-R.
        * config/aarch64/aarch64.h (AARCH64_FL_V8_R): New.
        (AARCH64_FL_FOR_ARCH8_R): New.
        (AARCH64_ISA_V8_R): New.
        * doc/invoke.texi: Add Armv8-R to architecture table.

2020-09-10  Jakub Jelinek  <jakub@redhat.com>

        * config/arm/arm.c (arm_override_options_after_change_1): Add opts_set
        argument, test opts_set->x_str_align_functions rather than
        opts->x_str_align_functions.
        (arm_override_options_after_change, arm_option_override_internal,
        arm_set_current_function): Adjust callers.

2020-09-10  Jakub Jelinek  <jakub@redhat.com>

        PR target/96939
        * config/arm/arm.c (arm_override_options_after_change): Don't call
        arm_configure_build_target here.
        (arm_set_current_function): Call arm_override_options_after_change_1
        at the end.

2020-09-10  Pat Haugen  <pthaugen@linux.ibm.com>

        * config/rs6000/rs6000.md
        (lfiwzx, floatunssi<mode>2_lfiwzx, p8_mtvsrwz, p8_mtvsrd_sf): Fix insn
        type.
        * config/rs6000/vsx.md
        (vsx_concat_<mode>, vsx_splat_<mode>_reg, vsx_splat_v4sf): Likewise.

2020-09-10  Jonathan Yong  <10walls@gmail.com>

        * config.host: Adjust plugin name for Windows.

2020-09-10  Tom de Vries  <tdevries@suse.de>

        PR tree-optimization/97000
        * tree-cfgcleanup.c (cleanup_call_ctrl_altering_flag): Don't clear
        flag for IFN_UNIQUE.

2020-09-10  Jakub Jelinek  <jakub@redhat.com>

        PR debug/93865
        * lto-streamer.h (struct output_block): Add emit_pwd member.
        * lto-streamer-out.c: Include toplev.h.
        (clear_line_info): Set emit_pwd.
        (lto_output_location_1): Encode the ob->current_file != xloc.file
        bit directly into the location number.  If changing file, emit
        additionally a bit whether pwd is emitted and emit it before the
        first relative pathname since clear_line_info.
        (output_function, output_constructor): Don't call clear_line_info
        here.
        * lto-streamer-in.c (struct string_pair_map): New type.
        (struct string_pair_map_hasher): New type.
        (string_pair_map_hasher::hash): New method.
        (string_pair_map_hasher::equal): New method.
        (path_name_pair_hash_table, string_pair_map_allocator): New variables.
        (relative_path_prefix, canon_relative_path_prefix,
        canon_relative_file_name): New functions.
        (canon_file_name): Add relative_prefix argument, if non-NULL
        and string is a relative path, return canon_relative_file_name.
        (lto_location_cache::input_location_and_block): Decode file change
        bit from the location number.  If changing file, unpack bit whether
        pwd is streamed and stream in pwd.  Adjust canon_file_name caller.
        (lto_free_file_name_hash): Delete path_name_pair_hash_table
        and string_pair_map_allocator.

2020-09-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96043
        * tree-vectorizer.h (_slp_instance::cost_vec): New.
        (_slp_instance::subgraph_entries): Likewise.
        (BB_VINFO_TARGET_COST_DATA): Remove.
        * tree-vect-slp.c (vect_free_slp_instance): Free
        cost_vec and subgraph_entries.
        (vect_analyze_slp_instance): Initialize them.
        (vect_slp_analyze_operations): Defer passing costs to
        the target, instead record them in the SLP graph entry.
        (get_ultimate_leader): New helper for graph partitioning.
        (vect_bb_partition_graph_r): Likewise.
        (vect_bb_partition_graph): New function to partition the
        SLP graph into independently costable parts.
        (vect_bb_vectorization_profitable_p): Adjust to work on
        a subgraph.
        (vect_bb_vectorization_profitable_p): New wrapper,
        discarding non-profitable vectorization of subgraphs.
        (vect_slp_analyze_bb_1): Call vect_bb_partition_graph before
        costing.

2020-09-09  David Malcolm  <dmalcolm@redhat.com>

        PR analyzer/94355
        * doc/invoke.texi: Document -Wanalyzer-mismatching-deallocation.

2020-09-09  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/96475
        * bb-reorder.c (maybe_duplicate_computed_goto): Remove single_pred_p
        micro-optimization.

2020-09-09  Tom de Vries  <tdevries@suse.de>

        * config/nvptx/nvptx.c (nvptx_assemble_decl_begin): Fix Wformat
        warning.

2020-09-09  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Do
        nothing when the permutation doesn't permute.

2020-09-09  Tom de Vries  <tdevries@suse.de>

        PR target/96991
        * config/nvptx/nvptx.c (write_fn_proto): Fix boolean type check.

2020-09-09  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (vectorizable_comparison): Allow
        STMT_VINFO_LIVE_P stmts.

2020-09-09  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (vectorizable_condition): Allow
        STMT_VINFO_LIVE_P stmts.

2020-09-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96978
        * tree-vect-stmts.c (vectorizable_condition): Do not
        look at STMT_VINFO_LIVE_P for BB vectorization.
        (vectorizable_comparison): Likewise.

2020-09-09  liuhongt  <hongtao.liu@intel.com>

        PR target/96955
        * config/i386/i386.md (get_thread_pointer<mode>): New
        expander.

2020-09-08  Julian Brown  <julian@codesourcery.com>

        * config/gcn/gcn-valu.md (scatter<mode>_insn_1offset_ds<exec_scatter>):
        Add waitcnt.
        * config/gcn/gcn.md (*mov<mode>_insn, *movti_insn): Add waitcnt to
        ds_write alternatives.

2020-09-08  Julian Brown  <julian@codesourcery.com>

        * config/gcn/mkoffload.c (process_asm): Initialise regcount.  Update
        scanning for SGPR/VGPR usage for HSACO v3.

2020-09-08  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/96967
        * tree-vrp.c (find_case_label_range): Cast label range to
        type of switch operand.

2020-09-08  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430.c (msp430_file_end): Fix jumbled
        HAVE_AS_MSPABI_ATTRIBUTE and HAVE_AS_GNU_ATTRIBUTE checks.
        * configure: Regenerate.
        * configure.ac: Use ".mspabi_attribute 4,2" to check for assembler
        support for this object attribute directive.

2020-09-08  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * common/config/msp430/msp430-common.c (msp430_handle_option): Remove
        OPT_mcpu_ handling.
        Set target_cpu value to new enum values when parsing certain -mmcu=
        values.
        * config/msp430/msp430-opts.h (enum msp430_cpu_types): New.
        * config/msp430/msp430.c (msp430_option_override): Handle new
        target_cpu enum values.
        Set target_cpu using extracted value for given MCU when -mcpu=
        option is not passed by the user.
        * config/msp430/msp430.opt: Handle -mcpu= values using enums.

2020-09-07  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/96796
        * lra-constraints.c (in_class_p): Add a default-false
        allow_all_reload_class_changes_p parameter.  Do not treat
        reload moves specially when the parameter is true.
        (get_reload_reg): Try to narrow the class of an existing OP_OUT
        reload if we're reloading a reload pseudo in a reload instruction.

2020-09-07  Andrea Corallo  <andrea.corallo@arm.com>

        * tree-vect-loop.c (vect_estimate_min_profitable_iters): Revert
        dead-code removal introduced by 09fa6acd8d9 + add a comment to
        clarify.

2020-09-07  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * doc/rtl.texi (subreg): Fix documentation to state there is a known
        number of undefined bits in regs and subregs of MODE_PARTIAL_INT modes.

2020-09-07  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430.c (msp430_option_override): Don't set the
        ISA to 430 when the MCU is unrecognized.

2020-09-07  Iain Sandoe  <iain@sandoe.co.uk>

        * config/darwin.c (darwin_libc_has_function): Report sincos
        available from 10.9.

2020-09-07  Alex Coplan  <alex.coplan@arm.com>

        * config/aarch64/aarch64.md (*adds_mul_imm_<mode>): Delete.
        (*subs_mul_imm_<mode>): Delete.
        (*adds_<optab><mode>_multp2): Delete.
        (*subs_<optab><mode>_multp2): Delete.
        (*add_mul_imm_<mode>): Delete.
        (*add_<optab><ALLX:mode>_mult_<GPI:mode>): Delete.
        (*add_<optab><SHORT:mode>_mult_si_uxtw): Delete.
        (*add_<optab><mode>_multp2): Delete.
        (*add_<optab>si_multp2_uxtw): Delete.
        (*add_uxt<mode>_multp2): Delete.
        (*add_uxtsi_multp2_uxtw): Delete.
        (*sub_mul_imm_<mode>): Delete.
        (*sub_mul_imm_si_uxtw): Delete.
        (*sub_<optab><mode>_multp2): Delete.
        (*sub_<optab>si_multp2_uxtw): Delete.
        (*sub_uxt<mode>_multp2): Delete.
        (*sub_uxtsi_multp2_uxtw): Delete.
        (*neg_mul_imm_<mode>2): Delete.
        (*neg_mul_imm_si2_uxtw): Delete.
        * config/aarch64/predicates.md (aarch64_pwr_imm3): Delete.
        (aarch64_pwr_2_si): Delete.
        (aarch64_pwr_2_di): Delete.

2020-09-07  Alex Coplan  <alex.coplan@arm.com>

        * config/aarch64/aarch64.md
        (*adds_<optab><ALLX:mode>_<GPI:mode>): Ensure extended operand
        agrees with width of extension specifier.
        (*subs_<optab><ALLX:mode>_<GPI:mode>): Likewise.
        (*adds_<optab><ALLX:mode>_shift_<GPI:mode>): Likewise.
        (*subs_<optab><ALLX:mode>_shift_<GPI:mode>): Likewise.
        (*add_<optab><ALLX:mode>_<GPI:mode>): Likewise.
        (*add_<optab><ALLX:mode>_shft_<GPI:mode>): Likewise.
        (*add_uxt<mode>_shift2): Likewise.
        (*sub_<optab><ALLX:mode>_<GPI:mode>): Likewise.
        (*sub_<optab><ALLX:mode>_shft_<GPI:mode>): Likewise.
        (*sub_uxt<mode>_shift2): Likewise.
        (*cmp_swp_<optab><ALLX:mode>_reg<GPI:mode>): Likewise.
        (*cmp_swp_<optab><ALLX:mode>_shft_<GPI:mode>): Likewise.

2020-09-07  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_analyze_slp_instance): Dump
        stmts we start SLP analysis from, failure and splitting.
        (vect_schedule_slp): Dump SLP graph entry and root stmt
        we are about to emit code for.

2020-09-07  Martin Storsjö  <martin@martin.st>

        * dwarf2out.c (file_name_acquire): Make a strchr return value
        pointer to const.

2020-09-07  Jakub Jelinek  <jakub@redhat.com>

        PR debug/94235
        * lto-streamer-out.c (output_cfg): Also stream goto_locus for edges.
        Use bp_pack_var_len_unsigned instead of streamer_write_uhwi to stream
        e->dest->index and e->flags.
        (output_function): Call output_cfg before output_ssa_name, rather than
        after streaming all bbs.
        * lto-streamer-in.c (input_cfg): Stream in goto_locus for edges.
        Use bp_unpack_var_len_unsigned instead of streamer_read_uhwi to stream
        in dest_index and edge_flags.

2020-09-07  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (vectorizable_live_operation): Adjust.
        * tree-vect-loop.c (vectorizable_live_operation): Vectorize
        live lanes out of basic-block vectorization nodes.
        * tree-vect-slp.c (vect_bb_slp_mark_live_stmts): New function.
        (vect_slp_analyze_operations): Analyze live lanes and their
        vectorization possibility after the whole SLP graph is final.
        (vect_bb_slp_scalar_cost): Adjust for vectorized live lanes.
        * tree-vect-stmts.c (can_vectorize_live_stmts): Adjust.
        (vect_transform_stmt): Call can_vectorize_live_stmts also for
        basic-block vectorization.

2020-09-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96698
        PR tree-optimization/96920
        * tree-vectorizer.h (loop_vec_info::reduc_latch_defs): Remove.
        (loop_vec_info::reduc_latch_slp_defs): Likewise.
        * tree-vect-stmts.c (vect_transform_stmt): Remove vectorized
        cycle PHI latch code.
        * tree-vect-loop.c (maybe_set_vectorized_backedge_value): New
        helper to set vectorized cycle PHI latch values.
        (vect_transform_loop): Walk over all PHIs again after
        vectorizing them, calling maybe_set_vectorized_backedge_value.
        Call maybe_set_vectorized_backedge_value for each vectorized
        stmt.  Remove delayed update code.
        * tree-vect-slp.c (vect_analyze_slp_instance): Initialize
        SLP instance reduc_phis member.
        (vect_schedule_slp): Set vectorized cycle PHI latch values.

2020-09-04  Andrea Corallo  <andrea.corallo@arm.com>

        * tree-vect-loop.c (vect_estimate_min_profitable_iters): Remove
        dead code as LOOP_VINFO_USING_PARTIAL_VECTORS_P (loop_vinfo) is
        always verified.

2020-09-04  Christophe Lyon  <christophe.lyon@linaro.org>

        PR target/96769
        * config/arm/thumb1.md: Move movsi splitter for
        arm_disable_literal_pool after the other movsi splitters.

2020-09-04  Aldy Hernandez  <aldyh@redhat.com>

        * range-op.cc (range_operator::fold_range): Rename widest_irange
        to int_range_max.
        (operator_div::wi_fold): Same.
        (operator_lshift::op1_range): Same.
        (operator_rshift::op1_range): Same.
        (operator_cast::fold_range): Same.
        (operator_cast::op1_range): Same.
        (operator_bitwise_and::remove_impossible_ranges): Same.
        (operator_bitwise_and::op1_range): Same.
        (operator_abs::op1_range): Same.
        (range_cast): Same.
        (widest_irange_tests): Same.
        (range3_tests): Rename irange3 to int_range3.
        (int_range_max_tests): Rename from widest_irange_tests.
        Rename widest_irange to int_range_max.
        (operator_tests): Rename widest_irange to int_range_max.
        (range_tests): Same.
        * tree-vrp.c (find_case_label_range): Same.
        * value-range.cc (irange::irange_intersect): Same.
        (irange::invert): Same.
        * value-range.h: Same.

2020-09-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96931
        * tree-cfgcleanup.c (cleanup_call_ctrl_altering_flag): If
        there's a fallthru edge and no abnormal edge the call is
        no longer control-altering.
        (cleanup_control_flow_bb): Pass down the BB to
        cleanup_call_ctrl_altering_flag.

2020-09-04  Jakub Jelinek  <jakub@redhat.com>

        * lto-streamer.h (stream_input_location_now): Remove declaration.
        * lto-streamer-in.c (stream_input_location_now): Remove.
        (input_eh_region, input_struct_function_base): Use
        stream_input_location instead of stream_input_location_now.

2020-09-04  Jakub Jelinek  <jakub@redhat.com>

        * lto-streamer.h (struct output_block): Add reset_locus member.
        * lto-streamer-out.c (clear_line_info): Set reset_locus to true.
        (lto_output_location_1): If reset_locus, clear it and ensure
        current_{file,line,col} is different from xloc members.

2020-09-04  David Faust  <david.faust@oracle.com>

        * config/bpf/bpf.h (ASM_SPEC): Pass -mxbpf to gas, if specified.
        * config/bpf/bpf.c (bpf_output_call): Support indirect calls in xBPF.

2020-09-03  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/96820
        * tree-sra.c (create_access): Disqualify candidates with accesses
        beyond the end of the original aggregate.
        (maybe_add_sra_candidate): Check that candidate type size fits
        signed uhwi for the sake of consistency.

2020-09-03  Will Schmidt  <will_schmidt@vnet.ibm.com>

        * config/rs6000/rs6000-call.c (rs6000_init_builtin): Update V2DI_type_node
        and unsigned_V2DI_type_node definitions.

2020-09-03  Jakub Jelinek  <jakub@redhat.com>

        PR c++/96901
        * tree.h (struct decl_tree_traits): New type.
        (decl_tree_map): New typedef.

2020-09-03  Jakub Jelinek  <jakub@redhat.com>

        PR lto/94311
        * gimple.h (gimple_location_ptr, gimple_phi_arg_location_ptr): New
        functions.
        * streamer-hooks.h (struct streamer_hooks): Add
        output_location_and_block callback.  Fix up formatting for
        output_location.
        (stream_output_location_and_block): Define.
        * lto-streamer.h (class lto_location_cache): Fix comment typo.  Add
        current_block member.
        (lto_location_cache::input_location_and_block): New method.
        (lto_location_cache::lto_location_cache): Initialize current_block.
        (lto_location_cache::cached_location): Add block member.
        (struct output_block): Add current_block member.
        (lto_output_location): Formatting fix.
        (lto_output_location_and_block): Declare.
        * lto-streamer.c (lto_streamer_hooks_init): Initialize
        streamer_hooks.output_location_and_block.
        * lto-streamer-in.c (lto_location_cache::cmp_loc): Also compare
        block members.
        (lto_location_cache::apply_location_cache): Handle blocks.
        (lto_location_cache::accept_location_cache,
        lto_location_cache::revert_location_cache): Fix up function comments.
        (lto_location_cache::input_location_and_block): New method.
        (lto_location_cache::input_location): Implement using
        input_location_and_block.
        (input_function): Invoke apply_location_cache after streaming in all
        bbs.
        * lto-streamer-out.c (clear_line_info): Set current_block.
        (lto_output_location_1): New function, moved from lto_output_location,
        added block handling.
        (lto_output_location): Implement using lto_output_location_1.
        (lto_output_location_and_block): New function.
        * gimple-streamer-in.c (input_phi): Use input_location_and_block
        to input and cache both location and block.
        (input_gimple_stmt): Likewise.
        * gimple-streamer-out.c (output_phi): Use
        stream_output_location_and_block.
        (output_gimple_stmt): Likewise.

2020-09-03  Richard Biener  <rguenther@suse.de>

        * tree-vect-generic.c (tree_vec_extract): Remove odd
        special-casing of boolean vectors.
        * fold-const.c (fold_ternary_loc): Handle boolean vector
        type BIT_FIELD_REFs.

2020-09-03  Hongtao Liu  <hongtao.liu@intel.com>

        PR target/87767
        * config/i386/i386-features.c
        (replace_constant_pool_with_broadcast): New function.
        (constant_pool_broadcast): Ditto.
        (class pass_constant_pool_broadcast): New pass.
        (make_pass_constant_pool_broadcast): Ditto.
        (remove_partial_avx_dependency): Call
        replace_constant_pool_with_broadcast under TARGET_AVX512F, it
        would save compile time when both pass rpad and cpb are
        available.
        (remove_partial_avx_dependency_gate): New function.
        (class pass_remove_partial_avx_dependency::gate): Call
        remove_partial_avx_dependency_gate.
        * config/i386/i386-passes.def: Insert new pass after combine.
        * config/i386/i386-protos.h
        (make_pass_constant_pool_broadcast): Declare.
        * config/i386/sse.md (*avx512dq_mul<mode>3<mask_name>_bcst):
        New define_insn.
        (*avx512f_mul<mode>3<mask_name>_bcst): Ditto.
        * config/i386/avx512fintrin.h (_mm512_set1_ps,
        _mm512_set1_pd,_mm512_set1_epi32, _mm512_set1_epi64): Adjusted.

2020-09-02  Jonathan Wakely  <jwakely@redhat.com>

        PR c++/60304
        * ginclude/stdbool.h (bool, false, true): Never define for C++.

2020-09-02  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * doc/invoke.texi (MSP430 options): Fix -mlarge description to
        indicate size_t is a 20-bit type.

2020-09-02  Roger Sayle  <roger@nextmovesoftware.com>

        * config/pa/pa.c (hppa_rtx_costs) [ASHIFT, ASHIFTRT, LSHIFTRT]:
        Provide accurate costs for shifts of integer constants.

2020-09-02  Jose E. Marchesi  <jose.marchesi@oracle.com>

        * config/bpf/bpf.c (bpf_asm_named_section): Delete.
        (TARGET_ASM_NAMED_SECTION): Likewise.

2020-09-02  Jose E. Marchesi  <jemarch@gnu.org>

        * config.gcc: Use elfos.h in bpf-*-* targets.
        * config/bpf/bpf.h (MAX_OFILE_ALIGNMENT): Remove definition.
        (COMMON_ASM_OP): Likewise.
        (INIT_SECTION_ASM_OP): Likewise.
        (FINI_SECTION_ASM_OP): Likewise.
        (ASM_OUTPUT_SKIP): Likewise.
        (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
        (ASM_OUTPUT_ALIGNED_LOCAL): Likewise.

2020-09-01  Martin Sebor  <msebor@redhat.com>

        * builtins.c (compute_objsize):  Only replace the upper bound
        of a POINTER_PLUS offset when it's less than the lower bound.

2020-09-01  Peter Bergner  <bergner@linux.ibm.com>

        PR target/96808
        * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Do not
        reuse accumulator memory reference for source and destination accesses.

2020-09-01  Martin Liska  <mliska@suse.cz>

        * cfgrtl.c (rtl_create_basic_block): Use default value for
        growth vector function.
        * gimple.c (gimple_set_bb): Likewise.
        * symbol-summary.h: Likewise.
        * tree-cfg.c (init_empty_tree_cfg_for_function): Likewise.
        (build_gimple_cfg): Likewise.
        (create_bb): Likewise.
        (move_block_to_fn): Likewise.

2020-09-01  Martin Liska  <mliska@suse.cz>

        * vec.h (vec_safe_grow): Change default of exact to false.
        (vec_safe_grow_cleared): Likewise.

2020-09-01  Roger Sayle  <roger@nextmovesoftware.com>

        PR middle-end/90597
        * targhooks.c (default_vector_alignment): Return at least the
        GET_MODE_ALIGNMENT for the type's mode.

2020-09-01  Richard Biener  <rguenther@suse.de>

        PR rtl-optimization/96812
        * tree-ssa-address.c (copy_ref_info): Also copy dependence info.
        * cfgrtl.h (duplicate_insn_chain): Adjust prototype.
        * cfgrtl.c (duplicate_insn_chain): Remap dependence info
        if requested.
        (cfg_layout_duplicate_bb): Make sure we remap dependence info.
        * modulo-sched.c (duplicate_insns_of_cycles): Remap dependence
        info.
        (generate_prolog_epilog): Adjust.
        * config/c6x/c6x.c (hwloop_optimize): Remap dependence info.

2020-09-01  Kewen Lin  <linkw@gcc.gnu.org>

        * doc/sourcebuild.texi (has_arch_pwr5, has_arch_pwr6, has_arch_pwr7,
        has_arch_pwr8, has_arch_pwr9): Document.

2020-08-31  Carl Love  <cel@us.ibm.com>

        PR target/85830
        * config/rs6000/altivec.h (vec_popcntb, vec_popcnth, vec_popcntw,
        vec_popcntd): Remove defines.

2020-08-31  Marek Polacek  <polacek@redhat.com>
            Jason Merrill  <jason@redhat.com>

        PR c++/93529
        * tree.c (build_constructor_from_vec): New.
        * tree.h (build_constructor_from_vec): Declare.

2020-08-31  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/96818
        * tree-vrp.c (find_case_label_range): Cast label range to
        type of switch operand.

2020-08-31  liuhongt  <hongtao.liu@intel.com>

        PR target/96551
        * config/i386/sse.md (vec_unpacku_float_hi_v16si): For vector
        compare to integer mask, don't use gen_rtx_LT, use
        ix86_expand_mask_vec_cmp instead.
        (vec_unpacku_float_hi_v16si): Ditto.

2020-08-31  Jakub Jelinek  <jakub@redhat.com>

        * tree-cfg.c (verify_gimple_switch): If the first non-default case
        label has CASE_HIGH, verify it has the same type as CASE_LOW.

2020-08-31  Feng Xue  <fxue@os.amperecomputing.com>

        PR ipa/96806
        * ipa-cp.c (decide_about_value): Use safe_add to avoid cost addition
        overflow.

2020-08-31  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/54201
        * varasm.c: Include alloc-pool.h.
        (output_constant_pool_contents): Emit desc->mark < 0 entries as
        aliases.
        (struct constant_descriptor_rtx_data): New type.
        (constant_descriptor_rtx_data_cmp): New function.
        (struct const_rtx_data_hasher): New type.
        (const_rtx_data_hasher::hash, const_rtx_data_hasher::equal): New
        methods.
        (optimize_constant_pool): New function.
        (output_shared_constant_pool): Call it if TARGET_SUPPORTS_ALIASES.

2020-08-31  Kewen Lin  <linkw@gcc.gnu.org>

        * doc/sourcebuild.texi (vect_len_load_store,
        vect_partial_vectors_usage_1, vect_partial_vectors_usage_2,
        vect_partial_vectors): Document.

2020-08-30  Martin Sebor  <msebor@redhat.com>

        * builtins.c (access_ref::access_ref): Call get_size_range instead
        of get_range.

2020-08-30  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/sse.md (ssse3_pshufbv8qi): Use gen_int_mode instead of
        GEN_INT, and ix86_build_const_vector instead of gen_rtvec and
        gen_rtx_CONT_VECTOR.

2020-08-29  Bill Schmidt  <wschmidt@linux.ibm.com>

        * config/rs6000/rs6000-builtin.def (MASK_FOR_STORE): Remove.
        * config/rs6000/rs6000-call.c (rs6000_expand_builtin): Remove
        all logic for ALTIVEC_BUILTIN_MASK_FOR_STORE.

2020-08-28  Martin Sebor  <msebor@redhat.com>

        * attribs.c (init_attr_rdwr_indices): Use global access_mode.
        * attribs.h (struct attr_access): Same.
        * builtins.c (fold_builtin_strlen): Add argument.
        (compute_objsize): Declare.
        (get_range): Declare.
        (check_read_access): New function.
        (access_ref::access_ref): Define ctor.
        (warn_string_no_nul): Add arguments.  Handle -Wstrintop-overread.
        (check_nul_terminated_array): Handle source strings of different
        ranges of sizes.
        (expand_builtin_strlen): Remove warning code, call check_read_access
        instead.  Declare locals closer to their initialization.
        (expand_builtin_strnlen): Same.
        (maybe_warn_for_bound): New function.
        (warn_for_access): Remove argument.  Handle -Wstrintop-overread.
        (inform_access): Change argument type.
        (get_size_range): New function.
        (check_access): Remove unused arguments.  Add new arguments.  Handle
        -Wstrintop-overread.  Move warning code to helpers and call them.
        Call check_nul_terminated_array.
        (check_memop_access): Remove unnecessary and provide additional
        arguments in calls.
        (expand_builtin_memchr): Call check_read_access.
        (expand_builtin_strcat): Remove unnecessary and provide additional
        arguments in calls.
        (expand_builtin_strcpy): Same.
        (expand_builtin_strcpy_args): Same.  Avoid testing no-warning bit.
        (expand_builtin_stpcpy_1): Remove unnecessary and provide additional
        arguments in calls.
        (expand_builtin_stpncpy): Same.
        (check_strncat_sizes): Same.
        (expand_builtin_strncat): Remove unnecessary and provide additional
        arguments in calls.  Adjust comments.
        (expand_builtin_strncpy): Remove unnecessary and provide additional
        arguments in calls.
        (expand_builtin_memcmp): Remove warning code.  Call check_access.
        (expand_builtin_strcmp): Call check_access instead of
        check_nul_terminated_array.
        (expand_builtin_strncmp): Handle -Wstrintop-overread.
        (expand_builtin_fork_or_exec): Call check_access instead of
        check_nul_terminated_array.
        (expand_builtin): Same.
        (fold_builtin_1): Pass additional argument.
        (fold_builtin_n): Same.
        (fold_builtin_strpbrk): Remove calls to check_nul_terminated_array.
        (expand_builtin_memory_chk): Add comments.
        (maybe_emit_chk_warning): Remove unnecessary and provide additional
        arguments in calls.
        (maybe_emit_sprintf_chk_warning): Same.  Adjust comments.
        * builtins.h (warn_string_no_nul): Add arguments.
        (struct access_ref): Add member and ctor argument.
        (struct access_data): Add members and ctor.
        (check_access): Adjust signature.
        * calls.c (maybe_warn_nonstring_arg): Return an indication of
        whether a warning was issued.  Issue -Wstrintop-overread instead
        of -Wstringop-overflow.
        (append_attrname): Adjust to naming changes.
        (maybe_warn_rdwr_sizes): Same.  Remove unnecessary and provide
        additional arguments in calls.
        * calls.h (maybe_warn_nonstring_arg): Return bool.
        * doc/invoke.texi (-Wstringop-overread): Document new option.
        * gimple-fold.c (gimple_fold_builtin_strcpy): Provide an additional
        argument in call.
        (gimple_fold_builtin_stpcpy): Same.
        * tree-ssa-uninit.c (maybe_warn_pass_by_reference): Adjust to naming
        changes.
        * tree.h (enum access_mode): New type.

2020-08-28  Bill Schmidt  <wschmidt@linux.ibm.com>

        * config/rs6000/rs6000.c (rs6000_call_aix): Remove test for r12.
        (rs6000_sibcall_aix): Likewise.

2020-08-28  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-tree.c (gcn_goacc_get_worker_red_decl): Add "true"
        parameter to vec_safe_grow_cleared.

2020-08-28  Martin Sebor  <msebor@redhat.com>

        * ggc-common.c (gt_pch_save): Add argument to a call.

2020-08-28  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>

        PR target/96357
        * config/aarch64/aarch64-sve.md
        (cond_sub<mode>_relaxed_const): Updated and renamed from
        cond_sub<mode>_any_const pattern.
        (cond_sub<mode>_strict_const): New pattern.

2020-08-28  Wei Wentao  <weiwt.fnst@cn.fujitsu.com>

        * doc/rtl.texi: Fix typo.

2020-08-28  Uros Bizjak    <ubizjak@gmail.com>

        PR target/96744
        * config/i386/i386-expand.c (split_double_mode): Also handle
        E_P2HImode and E_P2QImode.
        * config/i386/sse.md (MASK_DWI): New define_mode_iterator.
        (mov<mode>): New expander for P2HI,P2QI.
        (*mov<mode>_internal): New define_insn_and_split to split
        movement of P2QI/P2HI to 2 movqi/movhi patterns after reload.

2020-08-28  liuhongt  <hongtao.liu@intel.com>

        * common/config/i386/i386-common.c (ix86_handle_option): Set
        AVX512DQ when AVX512VP2INTERSECT exists.

2020-08-27  Jakub Jelinek  <jakub@redhat.com>

        PR target/65146
        * config/i386/i386.c (iamcu_alignment): Don't decrease alignment
        for TYPE_ATOMIC types.
        (ix86_local_alignment): Likewise.
        (ix86_minimum_alignment): Likewise.
        (x86_field_alignment): Likewise, and emit a -Wpsabi diagnostic
        for it.

2020-08-27  Bill Schmidt  <wschmidt@linux.ibm.com>

        PR target/96787
        * config/rs6000/rs6000.c (rs6000_sibcall_aix): Support
        indirect call for ELFv2.

2020-08-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96522
        * tree-ssa-address.c (copy_ref_info): Reset flow-sensitive
        info of the copied points-to.  Transfer bigger alignment
        via the access type.
        * tree-ssa-sccvn.c (eliminate_dom_walker::eliminate_stmt):
        Reset all flow-sensitive info.

2020-08-27  Martin Liska  <mliska@suse.cz>

        * alias.c (init_alias_analysis): Set exact argument of a vector
        growth function to true.
        * calls.c (internal_arg_pointer_based_exp_scan): Likewise.
        * cfgbuild.c (find_many_sub_basic_blocks): Likewise.
        * cfgexpand.c (expand_asm_stmt): Likewise.
        * cfgrtl.c (rtl_create_basic_block): Likewise.
        * combine.c (combine_split_insns): Likewise.
        (combine_instructions): Likewise.
        * config/aarch64/aarch64-sve-builtins.cc (function_expander::add_output_operand): Likewise.
        (function_expander::add_input_operand): Likewise.
        (function_expander::add_integer_operand): Likewise.
        (function_expander::add_address_operand): Likewise.
        (function_expander::add_fixed_operand): Likewise.
        * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
        * dwarf2cfi.c (update_row_reg_save): Likewise.
        * early-remat.c (early_remat::init_block_info): Likewise.
        (early_remat::finalize_candidate_indices): Likewise.
        * except.c (sjlj_build_landing_pads): Likewise.
        * final.c (compute_alignments): Likewise.
        (grow_label_align): Likewise.
        * function.c (temp_slots_at_level): Likewise.
        * fwprop.c (build_single_def_use_links): Likewise.
        (update_uses): Likewise.
        * gcc.c (insert_wrapper): Likewise.
        * genautomata.c (create_state_ainsn_table): Likewise.
        (add_vect): Likewise.
        (output_dead_lock_vect): Likewise.
        * genmatch.c (capture_info::capture_info): Likewise.
        (parser::finish_match_operand): Likewise.
        * genrecog.c (optimize_subroutine_group): Likewise.
        (merge_pattern_info::merge_pattern_info): Likewise.
        (merge_into_decision): Likewise.
        (print_subroutine_start): Likewise.
        (main): Likewise.
        * gimple-loop-versioning.cc (loop_versioning::loop_versioning): Likewise.
        * gimple.c (gimple_set_bb): Likewise.
        * graphite-isl-ast-to-gimple.c (translate_isl_ast_node_user): Likewise.
        * haifa-sched.c (sched_extend_luids): Likewise.
        (extend_h_i_d): Likewise.
        * insn-addr.h (insn_addresses_new): Likewise.
        * ipa-cp.c (gather_context_independent_values): Likewise.
        (find_more_contexts_for_caller_subset): Likewise.
        * ipa-devirt.c (final_warning_record::grow_type_warnings): Likewise.
        (ipa_odr_read_section): Likewise.
        * ipa-fnsummary.c (evaluate_properties_for_edge): Likewise.
        (ipa_fn_summary_t::duplicate): Likewise.
        (analyze_function_body): Likewise.
        (ipa_merge_fn_summary_after_inlining): Likewise.
        (read_ipa_call_summary): Likewise.
        * ipa-icf.c (sem_function::bb_dict_test): Likewise.
        * ipa-prop.c (ipa_alloc_node_params): Likewise.
        (parm_bb_aa_status_for_bb): Likewise.
        (ipa_compute_jump_functions_for_edge): Likewise.
        (ipa_analyze_node): Likewise.
        (update_jump_functions_after_inlining): Likewise.
        (ipa_read_edge_info): Likewise.
        (read_ipcp_transformation_info): Likewise.
        (ipcp_transform_function): Likewise.
        * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
        * ipa-split.c (execute_split_functions): Likewise.
        * ira.c (find_moveable_pseudos): Likewise.
        * lower-subreg.c (decompose_multiword_subregs): Likewise.
        * lto-streamer-in.c (input_eh_regions): Likewise.
        (input_cfg): Likewise.
        (input_struct_function_base): Likewise.
        (input_function): Likewise.
        * modulo-sched.c (set_node_sched_params): Likewise.
        (extend_node_sched_params): Likewise.
        (schedule_reg_moves): Likewise.
        * omp-general.c (omp_construct_simd_compare): Likewise.
        * passes.c (pass_manager::create_pass_tab): Likewise.
        (enable_disable_pass): Likewise.
        * predict.c (determine_unlikely_bbs): Likewise.
        * profile.c (compute_branch_probabilities): Likewise.
        * read-rtl-function.c (function_reader::parse_block): Likewise.
        * read-rtl.c (rtx_reader::read_rtx_code): Likewise.
        * reg-stack.c (stack_regs_mentioned): Likewise.
        * regrename.c (regrename_init): Likewise.
        * rtlanal.c (T>::add_single_to_queue): Likewise.
        * sched-deps.c (init_deps_data_vector): Likewise.
        * sel-sched-ir.c (sel_extend_global_bb_info): Likewise.
        (extend_region_bb_info): Likewise.
        (extend_insn_data): Likewise.
        * symtab.c (symtab_node::create_reference): Likewise.
        * tracer.c (tail_duplicate): Likewise.
        * trans-mem.c (tm_region_init): Likewise.
        (get_bb_regions_instrumented): Likewise.
        * tree-cfg.c (init_empty_tree_cfg_for_function): Likewise.
        (build_gimple_cfg): Likewise.
        (create_bb): Likewise.
        (move_block_to_fn): Likewise.
        * tree-complex.c (tree_lower_complex): Likewise.
        * tree-if-conv.c (predicate_rhs_code): Likewise.
        * tree-inline.c (copy_bb): Likewise.
        * tree-into-ssa.c (get_ssa_name_ann): Likewise.
        (mark_phi_for_rewrite): Likewise.
        * tree-object-size.c (compute_builtin_object_size): Likewise.
        (init_object_sizes): Likewise.
        * tree-predcom.c (initialize_root_vars_store_elim_1): Likewise.
        (initialize_root_vars_store_elim_2): Likewise.
        (prepare_initializers_chain_store_elim): Likewise.
        * tree-ssa-address.c (addr_for_mem_ref): Likewise.
        (multiplier_allowed_in_address_p): Likewise.
        * tree-ssa-coalesce.c (ssa_conflicts_new): Likewise.
        * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise.
        * tree-ssa-loop-ivopts.c (addr_offset_valid_p): Likewise.
        (get_address_cost_ainc): Likewise.
        * tree-ssa-loop-niter.c (discover_iteration_bound_by_body_walk): Likewise.
        * tree-ssa-pre.c (add_to_value): Likewise.
        (phi_translate_1): Likewise.
        (do_pre_regular_insertion): Likewise.
        (do_pre_partial_partial_insertion): Likewise.
        (init_pre): Likewise.
        * tree-ssa-propagate.c (ssa_prop_init): Likewise.
        (update_call_from_tree): Likewise.
        * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Likewise.
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
        (vn_reference_lookup_pieces): Likewise.
        (eliminate_dom_walker::eliminate_push_avail): Likewise.
        * tree-ssa-strlen.c (set_strinfo): Likewise.
        (get_stridx_plus_constant): Likewise.
        (zero_length_string): Likewise.
        (find_equal_ptrs): Likewise.
        (printf_strlen_execute): Likewise.
        * tree-ssa-threadedge.c (set_ssa_name_value): Likewise.
        * tree-ssanames.c (make_ssa_name_fn): Likewise.
        * tree-streamer-in.c (streamer_read_tree_bitfields): Likewise.
        * tree-vect-loop.c (vect_record_loop_mask): Likewise.
        (vect_get_loop_mask): Likewise.
        (vect_record_loop_len): Likewise.
        (vect_get_loop_len): Likewise.
        * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Likewise.
        * tree-vect-slp.c (vect_slp_convert_to_external): Likewise.
        (vect_bb_slp_scalar_cost): Likewise.
        (vect_bb_vectorization_profitable_p): Likewise.
        (vectorizable_slp_permutation): Likewise.
        * tree-vect-stmts.c (vectorizable_call): Likewise.
        (vectorizable_simd_clone_call): Likewise.
        (scan_store_can_perm_p): Likewise.
        (vectorizable_store): Likewise.
        * expr.c: Likewise.
        * vec.c (test_safe_grow_cleared): Likewise.
        * vec.h (vec_safe_grow): Likewise.
        (vec_safe_grow_cleared): Likewise.
        (vl_ptr>::safe_grow): Likewise.
        (vl_ptr>::safe_grow_cleared): Likewise.
        * config/c6x/c6x.c (insn_set_clock): Likewise.

2020-08-27  Richard Biener  <rguenther@suse.de>

        * tree-pretty-print.c (dump_mem_ref): Handle TARGET_MEM_REFs.
        (dump_generic_node): Use dump_mem_ref also for TARGET_MEM_REF.

2020-08-27  Alex Coplan  <alex.coplan@arm.com>

        * lra-constraints.c (canonicalize_reload_addr): New.
        (curr_insn_transform): Use canonicalize_reload_addr to ensure we
        generate canonical RTL for an address reload.

2020-08-27  Zhiheng Xie  <xiezhiheng@huawei.com>

        * config/aarch64/aarch64-simd-builtins.def: Add proper FLAG
        for rounding intrinsics.

2020-08-27  Zhiheng Xie  <xiezhiheng@huawei.com>

        * config/aarch64/aarch64-simd-builtins.def: Add proper FLAG
        for min/max intrinsics.

2020-08-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96579
        * tree-ssa-reassoc.c (linearize_expr_tree): If we expand
        rhs via special ops make sure to swap operands.

2020-08-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96565
        * tree-ssa-dse.c (dse_classify_store): Remove defs with
        no uses from further processing.

2020-08-26  Göran Uddeborg  <goeran@uddeborg.se>

        PR gcov-profile/96285
        * common.opt, doc/invoke.texi: Clarify wording of
        -fprofile-exclude-files and adjust -fprofile-filter-files to
        match.

2020-08-26  H.J. Lu  <hjl.tools@gmail.com>

        PR target/96802
        * config/i386/i386-options.c (ix86_valid_target_attribute_inner_p):
        Reject target("no-general-regs-only").

2020-08-26  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/constraints.md (K): Change unused constraint to
        constraint to a const_int between 1 and 19.
        (P): New constraint.
        * config/msp430/msp430-protos.h (msp430x_logical_shift_right): Remove.
        (msp430_expand_shift): New.
        (msp430_output_asm_shift_insns): New.
        * config/msp430/msp430.c (msp430_rtx_costs): Remove shift costs.
        (CSH): Remove.
        (msp430_expand_helper): Remove hard-coded generation of some inline
        shift insns.
        (use_helper_for_const_shift): New.
        (msp430_expand_shift): New.
        (msp430_output_asm_shift_insns): New.
        (msp430_print_operand): Add new 'W' operand selector.
        (msp430x_logical_shift_right): Remove.
        * config/msp430/msp430.md (HPSI): New define_mode_iterator.
        (HDI): Likewise.
        (any_shift): New define_code_iterator.
        (shift_insn): New define_code_attr.
        Adjust unnamed insn patterns searched for by combine.
        (ashlhi3): Remove.
        (slli_1): Remove.
        (430x_shift_left): Remove.
        (slll_1): Remove.
        (slll_2): Remove.
        (ashlsi3): Remove.
        (ashldi3): Remove.
        (ashrhi3): Remove.
        (srai_1): Remove.
        (430x_arithmetic_shift_right): Remove.
        (srap_1): Remove.
        (srap_2): Remove.
        (sral_1): Remove.
        (sral_2): Remove.
        (ashrsi3): Remove.
        (ashrdi3): Remove.
        (lshrhi3): Remove.
        (srli_1): Remove.
        (430x_logical_shift_right): Remove.
        (srlp_1): Remove.
        (srll_1): Remove.
        (srll_2x): Remove.
        (lshrsi3): Remove.
        (lshrdi3): Remove.
        (<shift_insn><mode>3): New define_expand.
        (<shift_insn>hi3_430): New define_insn.
        (<shift_insn>si3_const): Likewise.
        (ashl<mode>3_430x): Likewise.
        (ashr<mode>3_430x): Likewise.
        (lshr<mode>3_430x): Likewise.
        (*bitbranch<mode>4_z): Replace renamed predicate msp430_bitpos with
        const_0_to_15_operand.
        * config/msp430/msp430.opt: New option -mmax-inline-shift=.
        * config/msp430/predicates.md (const_1_to_8_operand): New predicate.
        (const_0_to_15_operand): Rename msp430_bitpos predicate.
        (const_1_to_19_operand): New predicate.
        * doc/invoke.texi: Document -mmax-inline-shift=.

2020-08-26  Aldy Hernandez  <aldyh@redhat.com>

        * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Abstract code out to...
        * tree-vrp.c (find_case_label_range): ...here.  Rewrite for to use irange
        API.
        (simplify_stmt_for_jump_threading): Call find_case_label_range instead of
        duplicating the code in simplify_stmt_for_jump_threading.
        * tree-vrp.h (find_case_label_range): New prototype.

2020-08-26  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96698
        * tree-vectorizer.h (loop_vec_info::reduc_latch_defs): New.
        (loop_vec_info::reduc_latch_slp_defs): Likewise.
        * tree-vect-stmts.c (vect_transform_stmt): Only record
        stmts to update PHI latches from, perform the update ...
        * tree-vect-loop.c (vect_transform_loop): ... here after
        vectorizing those PHIs.
        (info_for_reduction): Properly handle non-reduction PHIs.

2020-08-26  Martin Liska  <mliska@suse.cz>

        * cgraphunit.c (process_symver_attribute): Match only symver
        TREE_PURPOSE.

2020-08-26  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96783
        * tree-vect-stmts.c (get_group_load_store_type): Use
        VMAT_ELEMENTWISE for negative strides when we cannot
        use VMAT_STRIDED_SLP.

2020-08-26  Martin Liska  <mliska@suse.cz>

        * doc/invoke.texi: Document how are pie and pic options merged.

2020-08-26  Zhiheng Xie  <xiezhiheng@huawei.com>

        * config/aarch64/aarch64-simd-builtins.def: Add proper FLAG
        for add/sub arithmetic intrinsics.

2020-08-26  Jakub Jelinek  <jakub@redhat.com>

        PR debug/96729
        * dwarf2out.c (dwarf2out_next_real_insn): Adjust function comment.
        (dwarf2out_var_location): Look for next_note only if next_real is
        non-NULL, in that case look for the first non-deleted
        NOTE_INSN_VAR_LOCATION between loc_note and next_real, if any.

2020-08-26  Iain Buclaw  <ibuclaw@gdcproject.org>

        * config/tilepro/gen-mul-tables.cc (main): Define IN_TARGET_CODE to 1
        in the target file.

2020-08-26  Martin Liska  <mliska@suse.cz>

        * cgraphunit.c (process_symver_attribute): Allow multiple
        symver attributes for one symbol.
        * doc/extend.texi: Document the change.

2020-08-25  H.J. Lu  <hjl.tools@gmail.com>

        PR target/95863
        * config/i386/i386.h (CTZ_DEFINED_VALUE_AT_ZERO): Return 0/2.
        (CLZ_DEFINED_VALUE_AT_ZERO): Likewise.

2020-08-25  Roger Sayle  <roger@nextmovesoftware.com>

        PR middle-end/87256
        * config/pa/pa.c (hppa_rtx_costs_shadd_p): New helper function
        to check for coefficients supported by shNadd and shladd,l.
        (hppa_rtx_costs):  Rewrite to avoid using estimates based upon
        FACTOR and enable recursing deeper into RTL expressions.

2020-08-25  Roger Sayle  <roger@nextmovesoftware.com>

        * config/pa/pa.md (ashldi3): Additionally, on !TARGET_64BIT
        generate a two instruction shd/zdep sequence when shifting
        registers by suitable constants.
        (shd_internal): New define_expand to provide gen_shd_internal.

2020-08-25  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Rename
        __ARM_FEATURE_SVE_VECTOR_OPERATIONS to
        __ARM_FEATURE_SVE_VECTOR_OPERATORS.

2020-08-25  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-sve-builtins.cc (add_sve_type_attribute):
        Take the ACLE name of the type as a parameter and add it as fourth
        argument to the "SVE type" attribute.
        (register_builtin_types): Update call accordingly.
        (register_tuple_type): Likewise.  Construct the name of the type
        earlier in order to do this.
        (get_arm_sve_vector_bits_attributes): New function.
        (handle_arm_sve_vector_bits_attribute): Report a more sensible
        error message if the attribute is applied to an SVE tuple type.
        Don't allow the attribute to be applied to an existing fixed-length
        SVE type.  Mangle the new type as __SVE_VLS<type, vector-bits>.
        Add a dummy TYPE_DECL to the new type.

2020-08-25  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-sve-builtins.cc (DEF_SVE_TYPE): Add a
        leading "u" to each mangled name.

2020-08-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96548
        PR tree-optimization/96760
        * tree-ssa-loop-im.c (tree_ssa_lim): Recompute RPO after
        store-motion.

2020-08-25  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/96722
        * gimple.c (infer_nonnull_range): Formatting fix.
        (infer_nonnull_range_by_dereference): Return false for clobber stmts.

2020-08-25  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/96758
        * tree-ssa-strlen.c (handle_builtin_string_cmp): If both cstlen1
        and cstlen2 are set, set cmpsiz to their minimum, otherwise use the
        one that is set.  If bound is used and smaller than cmpsiz, set cmpsiz
        to bound.  If both cstlen1 and cstlen2 are set, perform the optimization.

2020-08-25  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/96730
        * tree-sra.c (create_access): Disqualify any aggregate with negative
        offset access.
        (build_ref_for_model): Add assert that offset is non-negative.

2020-08-25  Wei Wentao  <weiwt.fnst@cn.fujitsu.com>

        * rtl.def: Fix typo in comment.

2020-08-25  Roger Sayle  <roger@nextmovesoftware.com>

        PR tree-optimization/21137
        * fold-const.c (fold_binary_loc) [NE_EXPR/EQ_EXPR]: Call
        STRIP_NOPS when checking whether to simplify ((x>>C1)&C2) != 0.

2020-08-25  Andrew Pinski  <apinski@marvell.com>

        PR middle-end/64242
        * config/mips/mips.md (builtin_longjmp): Restore the frame
        pointer and stack pointer and gp.

2020-08-25  Richard Biener  <rguenther@suse.de>

        PR debug/96690
        * dwarf2out.c (reference_to_unused): Make FUNCTION_DECL
        processing more consistent with respect to
        symtab->global_info_ready.
        (tree_add_const_value_attribute): Unconditionally call
        rtl_for_decl_init to do all mangling early but throw
        away the result if early_dwarf.

2020-08-25  Hongtao Liu  <hongtao.liu@intel.com>

        PR target/96755
        * config/i386/sse.md: Correct the mode of NOT operands to
        SImode.

2020-08-25  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/96715
        * match.pd (copysign(x,-x) -> -x): New simplification.

2020-08-25  Jakub Jelinek  <jakub@redhat.com>

        PR target/95450
        * fold-const.c (native_interpret_real): For MODE_COMPOSITE_P modes
        punt if the to be returned REAL_CST does not encode to the bitwise
        same representation.

2020-08-24  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Configuration): Switch valgrind.com to https.

2020-08-24  Christophe Lyon  <christophe.lyon@linaro.org>

        PR target/94538
        PR target/94538
        * config/arm/thumb1.md: Disable set-constant splitter when
        TARGET_HAVE_MOVT.
        (thumb1_movsi_insn): Fix -mpure-code
        alternative.

2020-08-24  Martin Liska  <mliska@suse.cz>

        * tree-vect-data-refs.c (dr_group_sort_cmp): Work on
        data_ref_pair.
        (vect_analyze_data_ref_accesses): Work on groups.
        (vect_find_stmt_data_reference): Add group_id argument and fill
        up dataref_groups vector.
        * tree-vect-loop.c (vect_get_datarefs_in_loop): Pass new
        arguments.
        (vect_analyze_loop_2): Likewise.
        * tree-vect-slp.c (vect_slp_analyze_bb_1): Pass argument.
        (vect_slp_bb_region): Likewise.
        (vect_slp_region): Likewise.
        (vect_slp_bb):Work on the entire BB.
        * tree-vectorizer.h (vect_analyze_data_ref_accesses): Add new
        argument.
        (vect_find_stmt_data_reference): Likewise.

2020-08-24  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/96597
        * tree-ssa-sccvn.c (vn_reference_lookup_call): Add missing
        initialization of ::punned.
        (vn_reference_insert): Use consistently false instead of 0.
        (vn_reference_insert_pieces): Likewise.

2020-08-24  Hans-Peter Nilsson  <hp@axis.com>

        PR target/93372
        * reorg.c (fill_slots_from_thread): Allow trial insns that clobber
        TARGET_FLAGS_REGNUM as delay-slot fillers.

2020-08-23  H.J. Lu  <hjl.tools@gmail.com>

        PR target/96744
        * config/i386/i386-options.c (IX86_ATTR_IX86_YES): New.
        (IX86_ATTR_IX86_NO): Likewise.
        (ix86_opt_type): Add ix86_opt_ix86_yes and ix86_opt_ix86_no.
        (ix86_valid_target_attribute_inner_p): Handle general-regs-only,
        ix86_opt_ix86_yes and ix86_opt_ix86_no.
        (ix86_option_override_internal): Check opts->x_ix86_target_flags
        instead of opts->x_ix86_target_flags.
        * doc/extend.texi: Document target("general-regs-only") function
        attribute.

2020-08-21  Richard Sandiford  <richard.sandiford@arm.com>

        * doc/extend.texi: Update links to Arm docs.
        * doc/invoke.texi: Likewise.

2020-08-21  Hongtao Liu  <hongtao.liu@intel.com>

        PR target/96262
        * config/i386/i386-expand.c
        (ix86_expand_vec_shift_qihi_constant): Refine.

2020-08-21  Alex Coplan  <alex.coplan@arm.com>

        PR jit/63854
        * gcc.c (set_static_spec): New.
        (set_static_spec_owned): New.
        (set_static_spec_shared): New.
        (driver::maybe_putenv_COLLECT_LTO_WRAPPER): Use
        set_static_spec_owned() to take ownership of lto_wrapper_file
        such that it gets freed in driver::finalize.
        (driver::maybe_run_linker): Use set_static_spec_shared() to
        ensure that we don't try and free() the static string "ld",
        also ensuring that any previously-allocated string in
        linker_name_spec is freed. Likewise with argv0.
        (driver::finalize): Use set_static_spec_shared() when resetting
        specs that previously had allocated strings; remove if(0)
        around call to free().

2020-08-21  Senthil Kumar Selvaraj  <saaadhu@gcc.gnu.org>

        * emit-rtl.c (try_split): Call copy_frame_info_to_split_insn
        to split certain RTX_FRAME_RELATED_P insns.
        * recog.c (copy_frame_info_to_split_insn): New function.
        (peep2_attempt): Split copying of frame related info of
        RTX_FRAME_RELATED_P insns into above function and call it.
        * recog.h (copy_frame_info_to_split_insn): Declare it.

2020-08-21  liuhongt  <hongtao.liu@intel.com>

        PR target/88808
        * config/i386/i386.c (ix86_preferred_reload_class): Allow
        QImode data go into mask registers.
        * config/i386/i386.md: (*movhi_internal): Adjust constraints
        for mask registers.
        (*movqi_internal): Ditto.
        (*anddi_1): Support mask register operations
        (*and<mode>_1): Ditto.
        (*andqi_1): Ditto.
        (*andn<mode>_1): Ditto.
        (*<code><mode>_1): Ditto.
        (*<code>qi_1): Ditto.
        (*one_cmpl<mode>2_1): Ditto.
        (*one_cmplsi2_1_zext): Ditto.
        (*one_cmplqi2_1): Ditto.
        (define_peephole2): Move constant 0/-1 directly into mask
        registers.
        * config/i386/predicates.md (mask_reg_operand): New predicate.
        * config/i386/sse.md (define_split): Add post-reload splitters
        that would convert "generic" patterns to mask patterns.
        (*knotsi_1_zext): New define_insn.

2020-08-21  liuhongt  <hongtao.liu@intel.com>

        * config/i386/x86-tune-costs.h (skylake_cost): Adjust cost
        model.

2020-08-21  liuhongt  <hongtao.liu@intel.com>

        * config/i386/i386.c (inline_secondary_memory_needed):
        No memory is needed between mask regs and gpr.
        (ix86_hard_regno_mode_ok): Add condition TARGET_AVX512F for
        mask regno.
        * config/i386/i386.h (enum reg_class): Add INT_MASK_REGS.
        (REG_CLASS_NAMES): Ditto.
        (REG_CLASS_CONTENTS): Ditto.
        * config/i386/i386.md: Exclude mask register in
        define_peephole2 which is avaiable only for gpr.

2020-08-21  H.J. Lu  <hjl.tools@gmail.com>

        PR target/71453
        * config/i386/i386.h (struct processor_costs): Add member
        mask_to_integer, integer_to_mask, mask_load[3], mask_store[3],
        mask_move.
        * config/i386/x86-tune-costs.h (ix86_size_cost, i386_cost,
        i386_cost, pentium_cost, lakemont_cost, pentiumpro_cost,
        geode_cost, k6_cost, athlon_cost, k8_cost, amdfam10_cost,
        bdver_cost, znver1_cost, znver2_cost, skylake_cost,
        btver1_cost, btver2_cost, pentium4_cost, nocona_cost,
        atom_cost, slm_cost, intel_cost, generic_cost, core_cost):
        Initialize mask_load[3], mask_store[3], mask_move,
        integer_to_mask, mask_to_integer for all target costs.
        * config/i386/i386.c (ix86_register_move_cost): Using cost
        model of mask registers.
        (inline_memory_move_cost): Ditto.
        (ix86_register_move_cost): Ditto.

2020-08-20  Iain Buclaw  <ibuclaw@gdcproject.org>

        * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Don't include
        VxWorks header files if -fself-test is used.
        (STARTFILE_PREFIX_SPEC): Avoid using VSB_DIR if -fself-test is used.

2020-08-20  Joe Ramsay  <Joe.Ramsay@arm.com>

        PR target/96683
        * config/arm/mve.md (mve_vst1q_f<mode>): Require MVE memory operand for
        destination.
        (mve_vst1q_<supf><mode>): Likewise.

2020-08-19  2020-08-19  Carl Love  <cel@us.ibm.com>

        * config/rs6000/rs6000-builtin.def (BU_P10V_0, BU_P10V_1,
        BU_P10V_2, BU_P10V_3): Rename BU_P10V_VSX_0, BU_P10V_VSX_1,
        BU_P10V_VSX_2, BU_P10V_VSX_3 respectively.
        (BU_P10V_4): Remove.
        (BU_P10V_AV_0, BU_P10V_AV_1, BU_P10V_AV_2, BU_P10V_AV_3, BU_P10V_AV_4):
        New definitions for Power 10 Altivec macros.
        (VSTRIBR, VSTRIHR, VSTRIBL, VSTRIHL, VSTRIBR_P, VSTRIHR_P,
        VSTRIBL_P, VSTRIHL_P, MTVSRBM, MTVSRHM, MTVSRWM, MTVSRDM, MTVSRQM,
        VEXPANDMB, VEXPANDMH, VEXPANDMW, VEXPANDMD, VEXPANDMQ, VEXTRACTMB,
        VEXTRACTMH, VEXTRACTMW, VEXTRACTMD, VEXTRACTMQ): Replace macro
        expansion BU_P10V_1 with BU_P10V_AV_1.
        (VCLRLB, VCLRRB, VCFUGED, VCLZDM, VCTZDM, VPDEPD, VPEXTD, VGNB,
        VCNTMBB, VCNTMBH, VCNTMBW, VCNTMBD): Replace macro expansion
        BU_P10V_2 with  BU_P10V_AV_2.
        (VEXTRACTBL, VEXTRACTHL, VEXTRACTWL, VEXTRACTDL, VEXTRACTBR, VEXTRACTHR,
        VEXTRACTWR, VEXTRACTDR, VINSERTGPRBL, VINSERTGPRHL, VINSERTGPRWL,
        VINSERTGPRDL, VINSERTVPRBL, VINSERTVPRHL, VINSERTVPRWL, VINSERTGPRBR,
        VINSERTGPRHR, VINSERTGPRWR, VINSERTGPRDR, VINSERTVPRBR, VINSERTVPRHR,
        VINSERTVPRWR, VREPLACE_ELT_V4SI, VREPLACE_ELT_UV4SI, VREPLACE_ELT_V2DF,
        VREPLACE_ELT_V4SF, VREPLACE_ELT_V2DI, VREPLACE_ELT_UV2DI, VREPLACE_UN_V4SI,
        VREPLACE_UN_UV4SI, VREPLACE_UN_V4SF, VREPLACE_UN_V2DI, VREPLACE_UN_UV2DI,
        VREPLACE_UN_V2DF, VSLDB_V16QI, VSLDB_V8HI, VSLDB_V4SI, VSLDB_V2DI,
        VSRDB_V16QI, VSRDB_V8HI, VSRDB_V4SI, VSRDB_V2DI): Replace macro expansion
        BU_P10V_3 with BU_P10V_AV_3.
        (VXXSPLTIW_V4SI, VXXSPLTIW_V4SF, VXXSPLTID): Replace macro expansion
        BU_P10V_1 with BU_P10V_AV_1.
        (XXGENPCVM_V16QI, XXGENPCVM_V8HI, XXGENPCVM_V4SI, XXGENPCVM_V2DI):
        Replace macro expansion BU_P10V_2 with BU_P10V_VSX_2.
        (VXXSPLTI32DX_V4SI, VXXSPLTI32DX_V4SF, VXXBLEND_V16QI, VXXBLEND_V8HI,
        VXXBLEND_V4SI, VXXBLEND_V2DI, VXXBLEND_V4SF, VXXBLEND_V2DF): Replace macor
        expansion BU_P10V_3 with BU_P10V_VSX_3.
        (XXEVAL, VXXPERMX): Replace macro expansion BU_P10V_4 with BU_P10V_VSX_4.
        (XVCVBF16SP, XVCVSPBF16): Replace macro expansion BU_VSX_1 with
        BU_P10V_VSX_1. Also change MISC to CONST.
        * config/rs6000/rs6000-c.c: (P10_BUILTIN_VXXPERMX): Replace with
        P10V_BUILTIN_VXXPERMX.
        (P10_BUILTIN_VCLRLB, P10_BUILTIN_VCLRLB, P10_BUILTIN_VCLRRB,
        P10_BUILTIN_VGNB, P10_BUILTIN_XXEVAL, P10_BUILTIN_VXXPERMX,
        P10_BUILTIN_VEXTRACTBL, P10_BUILTIN_VEXTRACTHL, P10_BUILTIN_VEXTRACTWL,
        P10_BUILTIN_VEXTRACTDL, P10_BUILTIN_VINSERTGPRHL,
        P10_BUILTIN_VINSERTGPRWL, P10_BUILTIN_VINSERTGPRDL,
        P10_BUILTIN_VINSERTVPRBL, P10_BUILTIN_VINSERTVPRHL,
        P10_BUILTIN_VEXTRACTBR, P10_BUILTIN_VEXTRACTHR,
        P10_BUILTIN_VEXTRACTWR, P10_BUILTIN_VEXTRACTDR,
        P10_BUILTIN_VINSERTGPRBR, P10_BUILTIN_VINSERTGPRHR,
        P10_BUILTIN_VINSERTGPRWR, P10_BUILTIN_VINSERTGPRDR,
        P10_BUILTIN_VINSERTVPRBR, P10_BUILTIN_VINSERTVPRHR,
        P10_BUILTIN_VINSERTVPRWR, P10_BUILTIN_VREPLACE_ELT_UV4SI,
        P10_BUILTIN_VREPLACE_ELT_V4SI, P10_BUILTIN_VREPLACE_ELT_UV2DI,
        P10_BUILTIN_VREPLACE_ELT_V2DI, P10_BUILTIN_VREPLACE_ELT_V2DF,
        P10_BUILTIN_VREPLACE_UN_UV4SI, P10_BUILTIN_VREPLACE_UN_V4SI,
        P10_BUILTIN_VREPLACE_UN_V4SF, P10_BUILTIN_VREPLACE_UN_UV2DI,
        P10_BUILTIN_VREPLACE_UN_V2DI, P10_BUILTIN_VREPLACE_UN_V2DF,
        P10_BUILTIN_VSLDB_V16QI, P10_BUILTIN_VSLDB_V16QI,
        P10_BUILTIN_VSLDB_V8HI, P10_BUILTIN_VSLDB_V4SI,
        P10_BUILTIN_VSLDB_V2DI, P10_BUILTIN_VXXSPLTIW_V4SI,
        P10_BUILTIN_VXXSPLTIW_V4SF, P10_BUILTIN_VXXSPLTID,
        P10_BUILTIN_VXXSPLTI32DX_V4SI, P10_BUILTIN_VXXSPLTI32DX_V4SF,
        P10_BUILTIN_VXXBLEND_V16QI, P10_BUILTIN_VXXBLEND_V8HI,
        P10_BUILTIN_VXXBLEND_V4SI, P10_BUILTIN_VXXBLEND_V2DI,
        P10_BUILTIN_VXXBLEND_V4SF, P10_BUILTIN_VXXBLEND_V2DF,
        P10_BUILTIN_VSRDB_V16QI, P10_BUILTIN_VSRDB_V8HI,
        P10_BUILTIN_VSRDB_V4SI, P10_BUILTIN_VSRDB_V2DI,
        P10_BUILTIN_VSTRIBL, P10_BUILTIN_VSTRIHL,
        P10_BUILTIN_VSTRIBL_P, P10_BUILTIN_VSTRIHL_P,
        P10_BUILTIN_VSTRIBR, P10_BUILTIN_VSTRIHR,
        P10_BUILTIN_VSTRIBR_P, P10_BUILTIN_VSTRIHR_P,
        P10_BUILTIN_MTVSRBM, P10_BUILTIN_MTVSRHM,
        P10_BUILTIN_MTVSRWM, P10_BUILTIN_MTVSRDM,
        P10_BUILTIN_MTVSRQM, P10_BUILTIN_VCNTMBB,
        P10_BUILTIN_VCNTMBH, P10_BUILTIN_VCNTMBW,
        P10_BUILTIN_VCNTMBD, P10_BUILTIN_VEXPANDMB,
        P10_BUILTIN_VEXPANDMH, P10_BUILTIN_VEXPANDMW,
        P10_BUILTIN_VEXPANDMD, P10_BUILTIN_VEXPANDMQ,
        P10_BUILTIN_VEXTRACTMB, P10_BUILTIN_VEXTRACTMH,
        P10_BUILTIN_VEXTRACTMW, P10_BUILTIN_VEXTRACTMD,
        P10_BUILTIN_VEXTRACTMQ, P10_BUILTIN_XVTLSBB_ZEROS,
        P10_BUILTIN_XVTLSBB_ONES): Replace with
        P10V_BUILTIN_VCLRLB, P10V_BUILTIN_VCLRLB, P10V_BUILTIN_VCLRRB,
        P10V_BUILTIN_VGNB, P10V_BUILTIN_XXEVAL, P10V_BUILTIN_VXXPERMX,
        P10V_BUILTIN_VEXTRACTBL, P10V_BUILTIN_VEXTRACTHL, P10V_BUILTIN_VEXTRACTWL,
        P10V_BUILTIN_VEXTRACTDL, P10V_BUILTIN_VINSERTGPRHL,
        P10V_BUILTIN_VINSERTGPRWL, P10V_BUILTIN_VINSERTGPRDL,
        P10V_BUILTIN_VINSERTVPRBL,P10V_BUILTIN_VINSERTVPRHL,
        P10V_BUILTIN_VEXTRACTBR, P10V_BUILTIN_VEXTRACTHR
        P10V_BUILTIN_VEXTRACTWR, P10V_BUILTIN_VEXTRACTDR,
        P10V_BUILTIN_VINSERTGPRBR, P10V_BUILTIN_VINSERTGPRHR,
        P10V_BUILTIN_VINSERTGPRWR, P10V_BUILTIN_VINSERTGPRDR,
        P10V_BUILTIN_VINSERTVPRBR, P10V_BUILTIN_VINSERTVPRHR,
        P10V_BUILTIN_VINSERTVPRWR, P10V_BUILTIN_VREPLACE_ELT_UV4SI,
        P10V_BUILTIN_VREPLACE_ELT_V4SI, P10V_BUILTIN_VREPLACE_ELT_UV2DI,
        P10V_BUILTIN_VREPLACE_ELT_V2DI, P10V_BUILTIN_VREPLACE_ELT_V2DF,
        P10V_BUILTIN_VREPLACE_UN_UV4SI, P10V_BUILTIN_VREPLACE_UN_V4SI,
        P10V_BUILTIN_VREPLACE_UN_V4SF, P10V_BUILTIN_VREPLACE_UN_UV2DI,
        P10V_BUILTIN_VREPLACE_UN_V2DI, P10V_BUILTIN_VREPLACE_UN_V2DF,
        P10V_BUILTIN_VSLDB_V16QI, P10V_BUILTIN_VSLDB_V16QI,
        P10V_BUILTIN_VSLDB_V8HI, P10V_BUILTIN_VSLDB_V4SI,
        P10V_BUILTIN_VSLDB_V2DI, P10V_BUILTIN_VXXSPLTIW_V4SI,
        P10V_BUILTIN_VXXSPLTIW_V4SF, P10V_BUILTIN_VXXSPLTID,
        P10V_BUILTIN_VXXSPLTI32DX_V4SI, P10V_BUILTIN_VXXSPLTI32DX_V4SF,
        P10V_BUILTIN_VXXBLEND_V16QI, P10V_BUILTIN_VXXBLEND_V8HI,
        P10V_BUILTIN_VXXBLEND_V4SI, P10V_BUILTIN_VXXBLEND_V2DI,
        P10V_BUILTIN_VXXBLEND_V4SF, P10V_BUILTIN_VXXBLEND_V2DF,
        P10V_BUILTIN_VSRDB_V16QI, P10V_BUILTIN_VSRDB_V8HI,
        P10V_BUILTIN_VSRDB_V4SI, P10V_BUILTIN_VSRDB_V2DI,
        P10V_BUILTIN_VSTRIBL, P10V_BUILTIN_VSTRIHL,
        P10V_BUILTIN_VSTRIBL_P, P10V_BUILTIN_VSTRIHL_P,
        P10V_BUILTIN_VSTRIBR, P10V_BUILTIN_VSTRIHR,
        P10V_BUILTIN_VSTRIBR_P, P10V_BUILTIN_VSTRIHR_P,
        P10V_BUILTIN_MTVSRBM, P10V_BUILTIN_MTVSRHM,
        P10V_BUILTIN_MTVSRWM, P10V_BUILTIN_MTVSRDM,
        P10V_BUILTIN_MTVSRQM, P10V_BUILTIN_VCNTMBB,
        P10V_BUILTIN_VCNTMBH, P10V_BUILTIN_VCNTMBW,
        P10V_BUILTIN_VCNTMBD, P10V_BUILTIN_VEXPANDMB,
        P10V_BUILTIN_VEXPANDMH, P10V_BUILTIN_VEXPANDMW,
        P10V_BUILTIN_VEXPANDMD, P10V_BUILTIN_VEXPANDMQ,
        P10V_BUILTIN_VEXTRACTMB, P10V_BUILTIN_VEXTRACTMH,
        P10V_BUILTIN_VEXTRACTMW, P10V_BUILTIN_VEXTRACTMD,
        P10V_BUILTIN_VEXTRACTMQ, P10V_BUILTIN_XVTLSBB_ZEROS,
        P10V_BUILTIN_XVTLSBB_ONES respectively.
        * config/rs6000/rs6000-call.c: Ditto above, change P10_BUILTIN_name to
        P10V_BUILTIN_name.
        (P10_BUILTIN_XVCVSPBF16, P10_BUILTIN_XVCVBF16SP): Change to
        P10V_BUILTIN_XVCVSPBF16, P10V_BUILTIN_XVCVBF16SP respectively.

2020-08-19  Bill Schmidt  <wschmidt@linux.ibm.com>

        * config/rs6000/rs6000-logue.c (rs6000_decl_ok_for_sibcall):
        Sibcalls are always legal when the caller doesn't preserve r2.

2020-08-19  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-expand.c (ix86_expand_builtin)
        [case IX86_BUILTIN_ENQCMD, case IX86_BUILTIN_ENQCMDS]:
        Rewrite expansion to use code_for_enqcmd.
        [case IX86_BUILTIN_WRSSD, case IX86_BUILTIN_WRSSQ]:
        Rewrite expansion to use code_for_wrss.
        [case IX86_BUILTIN_WRUSSD, case IX86_BUILTIN_WRUSSD]:
        Rewrite expansion to use code_for_wrss.

2020-08-19  Feng Xue  <fxue@os.amperecomputing.com>

        PR tree-optimization/94234
        * match.pd ((PTR_A + OFF) - (PTR_B + OFF)) -> (PTR_A - PTR_B): New
        simplification.

2020-08-19  H.J. Lu  <hjl.tools@gmail.com>

        * common/config/i386/cpuinfo.h (get_intel_cpu): Detect Rocket
        Lake and Alder Lake.

2020-08-19  Peixin Qiao  <qiaopeixin@huawei.com>

        * config/aarch64/aarch64.c (aarch64_init_cumulative_args): Remove
        "fndecl && TREE_PUBLIC (fndecl)" check since it prevents the funtion
        type check when calling via a function pointer or when calling a static
        function.

2020-08-19  Kewen Lin  <linkw@linux.ibm.com>

        * opts-global.c (decode_options): Call target_option_override_hook
        before it prints for --help=*.

2020-08-18  Peter Bergner  <bergner@linux.ibm.com>

        * config/rs6000/rs6000-builtin.def (BU_VSX_1): Rename xvcvbf16sp to
        xvcvbf16spn.
        * config/rs6000/rs6000-call.c (builtin_function_type): Likewise.
        * config/rs6000/vsx.md: Likewise.
        * doc/extend.texi: Likewise.

2020-08-18  Aaron Sawdey  <acsawdey@linux.ibm.com>

        * config/rs6000/rs6000-string.c (gen_lxvl_stxvl_move):
        Helper function.
        (expand_block_move): Add lxvl/stxvl, vector pair, and
        unaligned VSX.
        * config/rs6000/rs6000.c (rs6000_option_override_internal):
        Default value for -mblock-ops-vector-pair.
        * config/rs6000/rs6000.opt: Add -mblock-ops-vector-pair.

2020-08-18  Aldy Hernandez  <aldyh@redhat.com>

        * vr-values.c (check_for_binary_op_overflow): Change type of store
        to range_query.
        (vr_values::adjust_range_with_scev): Abstract most of the code...
        (range_of_var_in_loop): ...here.  Remove value_range_equiv uses.
        (simplify_using_ranges::simplify_using_ranges): Change type of store
        to range_query.
        * vr-values.h (class range_query): New.
        (class simplify_using_ranges): Use range_query.
        (class vr_values): Add OVERRIDE to get_value_range.
        (range_of_var_in_loop): New.

2020-08-18  Martin Sebor  <msebor@redhat.com>

        PR middle-end/96665
        PR middle-end/78257
        * expr.c (convert_to_bytes): Replace statically allocated buffer with
        a dynamically allocated one of sufficient size.

2020-08-18  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/96670
        PR middle-end/78257
        * gimple-fold.c (gimple_fold_builtin_memchr): Call byte_representation
        to get it, not string_constant.

2020-08-18  Hu Jiangping  <hujiangping@cn.fujitsu.com>

        * doc/gimple.texi (gimple_debug_begin_stmt_p): Add return type.
        (gimple_debug_inline_entry_p, gimple_debug_nonbind_marker_p): Likewise.

2020-08-18  Martin Sebor  <msebor@redhat.com>

        * fold-const.c (native_encode_expr): Update comment.

2020-08-18  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/96536
        * config/i386/i386.md (restore_stack_nonlocal): Add missing compare
        RTX.  Rewrite expander to use high-level functions in RTL construction.

2020-08-18  liuhongt  <hongtao.liu@intel.com>

        PR target/96562
        PR target/93897
        * config/i386/i386-expand.c (ix86_expand_pinsr): Don't use
        pinsr for TImode.
        (ix86_expand_pextr): Don't use pextr for TImode.

2020-08-17  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-builtin.def (__builtin_ia32_bextri_u32)
        (__builtin_ia32_bextri_u64): Use CODE_FOR_nothing.
        * config/i386/i386.md (@tbm_bextri_<mode>):
        Implement as parametrized name pattern.
        (@rdrand<mode>): Ditto.
        (@rdseed<mode>): Ditto.
        * config/i386/i386-expand.c (ix86_expand_builtin)
        [case IX86_BUILTIN_BEXTRI32, case IX86_BUILTIN_BEXTRI64]:
        Update for parameterized name patterns.
        [case IX86_BUILTIN_RDRAND16_STEP, case IX86_BUILTIN_RDRAND32_STEP]
        [case IX86_BUILTIN_RDRAND64_STEP]: Ditto.
        [case IX86_BUILTIN_RDSEED16_STEP, case IX86_BUILTIN_RDSEED32_STEP]
        [case IX86_BUILTIN_RDSEED64_STEP]: Ditto.

2020-08-17  Aldy Hernandez  <aldyh@redhat.com>

        * vr-values.c (vr_values::get_value_range): Add stmt param.
        (vr_values::extract_range_from_comparison): Same.
        (vr_values::extract_range_from_assignment): Pass stmt to
        extract_range_from_comparison.
        (vr_values::adjust_range_with_scev): Pass stmt to get_value_range.
        (simplify_using_ranges::vrp_evaluate_conditional): Add stmt param.
        Pass stmt to get_value_range.
        (simplify_using_ranges::vrp_visit_cond_stmt): Pass stmt to
        get_value_range.
        (simplify_using_ranges::simplify_abs_using_ranges): Same.
        (simplify_using_ranges::simplify_div_or_mod_using_ranges): Same.
        (simplify_using_ranges::simplify_bit_ops_using_ranges): Same.
        (simplify_using_ranges::simplify_cond_using_ranges_1): Same.
        (simplify_using_ranges::simplify_switch_using_ranges): Same.
        (simplify_using_ranges::simplify_float_conversion_using_ranges): Same.
        * vr-values.h (class vr_values): Add stmt arg to
        vrp_evaluate_conditional_warnv_with_ops.
        Add stmt arg to extract_range_from_comparison and get_value_range.
        (simplify_using_ranges::get_value_range): Add stmt arg.

2020-08-17  liuhongt  <hongtao.liu@intel.com>

        PR target/96350
        * config/i386/i386.c (ix86_legitimate_constant_p): Return
        false for ENDBR immediate.
        (ix86_legitimate_address_p): Ditto.
        * config/i386/predicates.md
        (x86_64_immediate_operand): Exclude ENDBR immediate.
        (x86_64_zext_immediate_operand): Ditto.
        (x86_64_dwzext_immediate_operand): Ditto.
        (ix86_endbr_immediate_operand): New predicate.

2020-08-16  Roger Sayle  <roger@nextmovesoftware.com>

        * simplify-rtx.c (simplify_unary_operation_1) [SIGN_EXTEND]:
        Simplify (sign_extend:M (truncate:N (lshiftrt:M x C))) to
        (ashiftrt:M x C) when the shift sets the high bits appropriately.

2020-08-14  Martin Sebor  <msebor@redhat.com>

        PR middle-end/78257
        * builtins.c (expand_builtin_memory_copy_args): Rename called function.
        (expand_builtin_stpcpy_1): Remove argument from call.
        (expand_builtin_memcmp): Rename called function.
        (inline_expand_builtin_bytecmp): Same.
        * expr.c (convert_to_bytes): New function.
        (constant_byte_string): New function (formerly string_constant).
        (string_constant): Call constant_byte_string.
        (byte_representation): New function.
        * expr.h (byte_representation): Declare.
        * fold-const-call.c (fold_const_call): Rename called function.
        * fold-const.c (c_getstr): Remove an argument.
        (getbyterep): Define a new function.
        * fold-const.h (c_getstr): Remove an argument.
        (getbyterep): Declare a new function.
        * gimple-fold.c (gimple_fold_builtin_memory_op): Rename callee.
        (gimple_fold_builtin_string_compare): Same.
        (gimple_fold_builtin_memchr): Same.

2020-08-14  David Malcolm  <dmalcolm@redhat.com>

        * doc/analyzer.texi (Overview): Add tip about how to get a
        gimple dump if the analyzer ICEs.

2020-08-14  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-builtin.def (__builtin_ia32_llwpcb)
        (__builtin_ia32_slwpcb, __builtin_ia32_lwpval32)
        (__builtin_ia32_lwpval64, __builtin_ia32_lwpins32)
        (__builtin_ia32_lwpins64): Use CODE_FOR_nothing.
        * config/i386/i386.md (@lwp_llwpcb<mode>):
        Implement as parametrized name pattern.
        (@lwp_slwpcb<mode>): Ditto.
        (@lwp_lwpval<mode>): Ditto.
        (@lwp_lwpins<mode>): Ditto.
        * config/i386/i386-expand.c (ix86_expand_special_args_builtin)
        [case VOID_FTYPE_UINT_UINT_UINT, case VOID_FTYPE_UINT64_UINT_UINT]
        [case UCHAR_FTYPE_UINT_UINT_UINT, case UCHAR_FTYPE_UINT64_UINT_UINT]:
        Remove.
        (ix86_expand_builtin)
        [ case IX86_BUILTIN_LLWPCB, case IX86_BUILTIN_LLWPCB]:
        Update for parameterized name patterns.
        [case IX86_BUILTIN_LWPVAL32, case IX86_BUILTIN_LWPVAL64]
        [case IX86_BUILTIN_LWPINS32, case IX86_BUILTIN_LWPINS64]: Expand here.

2020-08-14  Lewis Hyatt  <lhyatt@gmail.com>

        * common.opt: Add new option -fdiagnostics-plain-output.
        * doc/invoke.texi: Document it.
        * opts-common.c (decode_cmdline_options_to_array): Implement it.
        (decode_cmdline_option): Add missing const qualifier to argv.

2020-08-14  Jakub Jelinek  <jakub@redhat.com>
            Jonathan Wakely  <jwakely@redhat.com>
            Jonathan Wakely   <jwakely@redhat.com>

        * system.h: Include type_traits.
        * vec.h (vec<T, A, vl_embed>::embedded_size): Use offsetof and asserts
        on vec_stdlayout, which is conditionally a vec (for standard layout T)
        and otherwise vec_embedded.

2020-08-14  Jojo R  <jiejie_rong@c-sky.com>

        * config/csky/csky-elf.h (ASM_SPEC): Use mfloat-abi.
        * config/csky/csky-linux-elf.h (ASM_SPEC): mfloat-abi.

2020-08-13  David Malcolm  <dmalcolm@redhat.com>

        PR analyzer/93032
        PR analyzer/93938
        PR analyzer/94011
        PR analyzer/94099
        PR analyzer/94399
        PR analyzer/94458
        PR analyzer/94503
        PR analyzer/94640
        PR analyzer/94688
        PR analyzer/94689
        PR analyzer/94839
        PR analyzer/95026
        PR analyzer/95042
        PR analyzer/95240
        * Makefile.in (ANALYZER_OBJS): Add analyzer/region.o,
        analyzer/region-model-impl-calls.o,
        analyzer/region-model-manager.o,
        analyzer/region-model-reachability.o, analyzer/store.o, and
        analyzer/svalue.o.
        * doc/analyzer.texi: Update for changes to analyzer
        implementation.
        * tristate.h (tristate::get_value): New accessor.

2020-08-13  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-builtin.def (CET_NORMAL): Merge to CET BDESC array.
        (__builtin_ia32_rddspd, __builtin_ia32_rddspq, __builtin_ia32_incsspd)
        (__builtin_ia32_incsspq, __builtin_ia32_wrssd, __builtin_ia32_wrssq)
        (__builtin_ia32_wrussd, __builtin_ia32_wrussq): Use CODE_FOR_nothing.
        * config/i386/i386-builtins.c: Remove handling of CET_NORMAL builtins.
        * config/i386/i386.md (@rdssp<mode>): Implement as parametrized
        name pattern.  Use SWI48 mode iterator.  Introduce input operand
        and remove explicit XOR zeroing from insn template.
        (@incssp<mode>): Implement as parametrized name pattern.
        Use SWI48 mode iterator.
        (@wrss<mode>): Ditto.
        (@wruss<mode>): Ditto.
        (rstorssp): Remove expander.  Rename insn pattern from *rstorssp<mode>.
        Use DImode memory operand.
        (clrssbsy): Remove expander.  Rename insn pattern from *clrssbsy<mode>.
        Use DImode memory operand.
        (save_stack_nonlocal): Update for parametrized name patterns.
        Use cleared register as an argument to gen_rddsp.
        (restore_stack_nonlocal): Update for parametrized name patterns.
        * config/i386/i386-expand.c (ix86_expand_builtin):
        [case IX86_BUILTIN_RDSSPD, case IX86_BUILTIN_RDSSPQ]: Expand here.
        [case IX86_BUILTIN_INCSSPD, case IX86_BUILTIN_INCSSPQ]: Ditto.
        [case IX86_BUILTIN_RSTORSSP, case IX86_BUILTIN_CLRSSBSY]:
        Generate DImode memory operand.
        [case IX86_BUILTIN_WRSSD, case IX86_BUILTIN_WRSSQ]
        [case IX86_BUILTIN_WRUSSD, case IX86_BUILTIN_WRUSSD]:
        Update for parameterized name patterns.

2020-08-13  Peter Bergner  <bergner@linux.ibm.com>

        PR target/96506
        * config/rs6000/rs6000-call.c (rs6000_promote_function_mode): Disallow
        MMA types as return values.
        (rs6000_function_arg): Disallow MMA types as function arguments.

2020-08-13  Richard Sandiford  <richard.sandiford@arm.com>

        Revert:
        2020-08-12  Peixin Qiao  <qiaopeixin@huawei.com>

        * config/aarch64/aarch64.c (aarch64_function_value): Add if
        condition to check ag_mode after entering if condition of
        aarch64_vfp_is_call_or_return_candidate. If TARGET_FLOAT is
        set as false by -mgeneral-regs-only, report the diagnostic
        information of -mgeneral-regs-only imcompatible with the use
        of fp/simd register(s).

2020-08-13  Martin Liska  <mliska@suse.cz>

        PR ipa/96482
        * ipa-cp.c (ipcp_bits_lattice::meet_with_1): Mask m_value
        with m_mask.

2020-08-13  Jakub Jelinek  <jakub@redhat.com>

        * gimplify.c (gimplify_omp_taskloop_expr): New function.
        (gimplify_omp_for): Use it.  For OMP_FOR_NON_RECTANGULAR
        loops adjust in outer taskloop the var-outer decls.
        * omp-expand.c (expand_omp_taskloop_for_inner): Handle non-rectangular
        loops.
        (expand_omp_for): Don't reject non-rectangular taskloop.
        * omp-general.c (omp_extract_for_data): Don't assert that
        non-rectangular loops have static schedule, instead treat loop->m1
        or loop->m2 as if loop->n1 or loop->n2 is non-constant.

2020-08-13  Hongtao Liu  <hongtao.liu@intel.com>

        PR target/96246
        * config/i386/sse.md (<avx512>_load<mode>_mask,
        <avx512>_load<mode>_mask): Extend to generate blendm
        instructions.
        (<avx512>_blendm<mode>, <avx512>_blendm<mode>): Change
        define_insn to define_expand.

2020-08-12  Roger Sayle  <roger@nextmovesoftware.com>
            Uroš Bizjak  <ubizjak@gmail.com>

        PR target/96558
        * config/i386/i386.md (peephole2): Only reorder register clearing
        instructions to allow use of xor for general registers.

2020-08-12  Martin Liska  <mliska@suse.cz>

        PR ipa/96482
        * ipa-cp.c (ipcp_bits_lattice::meet_with_1): Drop value bits
        for bits that are unknown.
        (ipcp_bits_lattice::set_to_constant): Likewise.
        * tree-ssa-ccp.c (get_default_value): Add sanity check that
        IPA CP bit info has all bits set to zero in bits that
        are unknown.

2020-08-12  Peixin Qiao  <qiaopeixin@huawei.com>

        * config/aarch64/aarch64.c (aarch64_function_value): Add if
        condition to check ag_mode after entering if condition of
        aarch64_vfp_is_call_or_return_candidate. If TARGET_FLOAT is
        set as false by -mgeneral-regs-only, report the diagnostic
        information of -mgeneral-regs-only imcompatible with the use
        of fp/simd register(s).

2020-08-12  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/96535
        * toplev.c (process_options): Move flag_unroll_loops and
        flag_cunroll_grow_size handling from here to ...
        * opts.c (finish_options): ... here.  For flag_cunroll_grow_size,
        don't check for AUTODETECT_VALUE, but instead check
        opts_set->x_flag_cunroll_grow_size.
        * common.opt (funroll-completely-grow-size): Default to 0.
        * config/rs6000/rs6000.c (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE):
        Redefine.
        (rs6000_override_options_after_change): New function.
        (rs6000_option_override_internal): Call it.  Move there the
        flag_cunroll_grow_size, unroll_only_small_loops and
        flag_rename_registers handling.

2020-08-12  Tom de Vries  <tdevries@suse.de>

        * config/nvptx/nvptx.c (nvptx_assemble_decl_begin): Make elt_size an
        unsigned HOST_WIDE_INT.  Print init_frag.remaining using
        HOST_WIDE_INT_PRINT_UNSIGNED.

2020-08-12  Roger Sayle  <roger@nextmovesoftware.com>
            Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (peephole2): Reduce unnecessary
        register shuffling produced by register allocation.

2020-08-12  Aldy Hernandez  <aldyh@redhat.com>

        * ipa-fnsummary.c (evaluate_conditions_for_known_args): Use vec<>
        instead of std::vector<>.
        (evaluate_properties_for_edge): Same.
        (ipa_fn_summary_t::duplicate): Same.
        (estimate_ipcp_clone_size_and_time): Same.
        * vec.h (<T, A, vl_embed>::embedded_size): Change vec_embedded
        type to contain a char[].

2020-08-12  Andreas Krebbel  <krebbel@linux.ibm.com>

        PR target/96308
        * config/s390/s390.c (s390_cannot_force_const_mem): Reject an
        unary minus for everything not being a numeric constant.
        (legitimize_tls_address): Move a NEG out of the CONST rtx.

2020-08-12  Andreas Krebbel  <krebbel@linux.ibm.com>

        PR target/96456
        * config/s390/s390.h (TARGET_NONSIGNALING_VECTOR_COMPARE_OK): New
        macro.
        * config/s390/vector.md (vcond_comparison_operator): Use new macro
        for the check.

2020-08-11  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/96539
        * expr.c (emit_block_move_hints): Don't copy anything if x and y
        are the same and neither is MEM_VOLATILE_P.

2020-08-11  Jakub Jelinek  <jakub@redhat.com>

        PR c/96549
        * tree.c (get_narrower): Use TREE_TYPE (ret) instead of
        TREE_TYPE (win) for COMPOUND_EXPRs.

2020-08-11  Jan Hubicka  <hubicka@ucw.cz>

        * predict.c (not_loop_guard_equal_edge_p): New function.
        (maybe_predict_edge): New function.
        (predict_paths_for_bb): Use it.
        (predict_paths_leading_to_edge): Use it.

2020-08-11  Martin Liska  <mliska@suse.cz>

        * dbgcnt.def (DEBUG_COUNTER): Add ipa_cp_bits.
        * ipa-cp.c (ipcp_store_bits_results): Use it when we store known
        bits for parameters.

2020-08-10  Marek Polacek  <polacek@redhat.com>

        * doc/sourcebuild.texi: Document dg-ice.

2020-08-10  Roger Sayle  <roger@nextmovesoftware.com>

        * config/i386/i386-expand.c (ix86_expand_int_movcc): Expand
        signed MIN_EXPR against zero as "x < 0 ? x : 0" instead of
        "x <= 0 ? x : 0" to enable sign_bit_compare_p optimizations.

2020-08-10  Aldy Hernandez  <aldyh@redhat.com>

        * value-range.h (gt_ggc_mx): Declare inline.
        (gt_pch_nx): Same.

2020-08-10  Marc Glisse  <marc.glisse@inria.fr>

        PR tree-optimization/95433
        * match.pd (X * C1 == C2): Handle wrapping overflow.
        * expr.c (maybe_optimize_mod_cmp): Qualify call to mod_inv.
        (mod_inv): Move...
        * wide-int.cc (mod_inv): ... here.
        * wide-int.h (mod_inv): Declare it.

2020-08-10  Jan Hubicka  <hubicka@ucw.cz>

        * predict.c (filter_predictions): Document semantics of filter.
        (equal_edge_p): Rename to ...
        (not_equal_edge_p): ... this; reverse semantics.
        (remove_predictions_associated_with_edge): Fix.

2020-08-10  Hongtao Liu  <hongtao.liu@intel.com>

        PR target/96243
        * config/i386/i386-expand.c (ix86_expand_sse_cmp): Refine for
        maskcmp.
        (ix86_expand_mask_vec_cmp): Change prototype.
        * config/i386/i386-protos.h (ix86_expand_mask_vec_cmp): Change prototype.
        * config/i386/i386.c (ix86_print_operand): Remove operand
        modifier 'I'.
        * config/i386/sse.md
        (*<avx512>_cmp<mode>3<mask_scalar_merge_name><round_saeonly_name>): Deleted.
        (*<avx512>_cmp<mode>3<mask_scalar_merge_name>): Ditto.
        (*<avx512>_ucmp<mode>3<mask_scalar_merge_name>): Ditto.
        (*<avx512>_ucmp<mode>3<mask_scalar_merge_name>,
        avx512f_maskcmp<mode>3): Ditto.

2020-08-09  Roger Sayle  <roger@nextmovesoftware.com>

        * expmed.c (init_expmed_one_conv): Restore all->reg's mode.
        (init_expmed_one_mode): Set all->reg to desired mode.

2020-08-08  Peter Bergner  <bergner@linux.ibm.com>

        PR target/96530
        * config/rs6000/rs6000.c (rs6000_invalid_conversion): Use canonical
        types for type comparisons.  Refactor code to simplify it.

2020-08-08  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/93553
        * tree-nested.c (convert_nonlocal_omp_clauses): For
        OMP_CLAUSE_REDUCTION, OMP_CLAUSE_LASTPRIVATE and OMP_CLAUSE_LINEAR
        save info->new_local_var_chain around walks of the clause gimple
        sequences and declare_vars if needed into the sequence.

2020-08-08  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/96424
        * omp-expand.c: Include tree-eh.h.
        (expand_omp_for_init_vars): Handle -fexceptions -fnon-call-exceptions
        by forcing floating point comparison into a bool temporary.

2020-08-07  Marc Glisse  <marc.glisse@inria.fr>

        * generic-match-head.c (optimize_vectors_before_lowering_p): New
        function.
        * gimple-match-head.c (optimize_vectors_before_lowering_p):
        Likewise.
        * match.pd ((v ? w : 0) ? a : b, c1 ? c2 ? a : b : b): Use it.

2020-08-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96514
        * tree-if-conv.c (if_convertible_bb_p): If the last stmt
        is a call that is control-altering, fail.

2020-08-07  Jose E. Marchesi  <jose.marchesi@oracle.com>

        * config/bpf/bpf.md: Remove trailing whitespaces.
        * config/bpf/constraints.md: Likewise.
        * config/bpf/predicates.md: Likewise.

2020-08-07  Michael Meissner  <meissner@linux.ibm.com>

        * config/rs6000/rs6000.md (bswaphi2_reg): Add ISA 3.1 support.
        (bswapsi2_reg): Add ISA 3.1 support.
        (bswapdi2): Rename bswapdi2_xxbrd to bswapdi2_brd.
        (bswapdi2_brd,bswapdi2_xxbrd): Rename.  Add ISA 3.1 support.

2020-08-07  Alan Modra  <amodra@gmail.com>

        PR target/96493
        * config/rs6000/predicates.md (current_file_function_operand): Don't
        accept functions that differ in r2 usage.

2020-08-06  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.md (MM): New mode_iterator.
        ("mov<mode>"): New expander to expand for all MM-modes.
        ("*movqi_expanded", "*movhi_expanded", "*movsi_expanded")
        ("*movsf_expanded", "*movdf_expanded"): Rename from the
        corresponding mov<M> named pattern.  Add to the condition that
        either operand must be a register_operand.
        ("*movdi_expanded"): Similar, but also allow STCO in the condition.

2020-08-06  Richard Sandiford  <richard.sandiford@arm.com>

        PR target/96191
        * config/arm/arm.md (arm_stack_protect_test_insn): Zero out
        operand 2 after use.
        * config/arm/thumb1.md (thumb1_stack_protect_test_insn): Likewise.

2020-08-06  Peter Bergner  <bergner@linux.ibm.com>

        PR target/96446
        * config/rs6000/mma.md (*movpxi): Add xxsetaccz generation.
        Disable split for zero constant source operand.
        (mma_xxsetaccz): Change to define_expand.  Call gen_movpxi.

2020-08-06  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/96480
        * tree-ssa-reassoc.c (suitable_cond_bb): Add TEST_SWAPPED_P argument.
        If TEST_BB ends in cond and has one edge to *OTHER_BB and another
        through an empty bb to that block too, if PHI args don't match, retry
        them through the other path from TEST_BB.
        (maybe_optimize_range_tests): Adjust callers.  Handle such LAST_BB
        through inversion of the condition.

2020-08-06  Jose E. Marchesi  <jose.marchesi@oracle.com>

        * config/bpf/bpf-helpers.h (KERNEL_HELPER): Define.
        (KERNEL_VERSION): Remove.
        * config/bpf/bpf-helpers.def: Delete.
        * config/bpf/bpf.c (bpf_handle_fndecl_attribute): New function.
        (bpf_attribute_table): Define.
        (bpf_helper_names): Delete.
        (bpf_helper_code): Likewise.
        (enum bpf_builtins): Adjust to new helpers mechanism.
        (bpf_output_call): Likewise.
        (bpf_init_builtins): Likewise.
        (bpf_init_builtins): Likewise.
        * doc/extend.texi (BPF Function Attributes): New section.
        (BPF Kernel Helpers): Delete section.

2020-08-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96491
        * tree-ssa-sink.c (sink_common_stores_to_bb): Avoid
        sinking across abnormal edges.

2020-08-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96483
        * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
        POLY_INT_CST.

2020-08-06  Richard Biener  <rguenther@suse.de>

        * graphite-isl-ast-to-gimple.c (ivs_params): Use hash_map instead
        of std::map.
        (ivs_params_clear): Adjust.
        (gcc_expression_from_isl_ast_expr_id): Likewise.
        (graphite_create_new_loop): Likewise.
        (add_parameters_to_ivs_params): Likewise.

2020-08-06  Roger Sayle  <roger@nextmovesoftware.com>
            Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (MAXMIN_IMODE): No longer needed.
        (<maxmin><mode>3):  Support SWI248 and general_operand for
        second operand, when TARGET_CMOVE.
        (<maxmin><mode>3_1 splitter): Optimize comparisons against
        0, 1 and -1 to use "test" instead of "cmp".
        (*<maxmin>di3_doubleword): Likewise, allow general_operand
        and enable on TARGET_CMOVE.
        (peephole2): Convert clearing a register after a flag setting
        instruction into an xor followed by the original flag setter.

2020-08-06  Gerald Pfeifer  <gerald@pfeifer.com>

        * ipa-fnsummary.c (INCLUDE_VECTOR): Define.
        Remove direct inclusion of <vector>.

2020-08-06  Kewen Lin  <linkw@gcc.gnu.org>

        * config/rs6000/rs6000.c (rs6000_adjust_vect_cost_per_loop): New
        function.
        (rs6000_finish_cost): Call rs6000_adjust_vect_cost_per_loop.
        * tree-vect-loop.c (vect_estimate_min_profitable_iters): Add cost
        modeling for vector with length.
        (vect_rgroup_iv_might_wrap_p): New function, factored out from...
        * tree-vect-loop-manip.c (vect_set_loop_controls_directly): ...this.
        Update function comment.
        * tree-vect-stmts.c (vect_gen_len): Update function comment.
        * tree-vectorizer.h (vect_rgroup_iv_might_wrap_p): New declare.

2020-08-06  Kewen Lin  <linkw@linux.ibm.com>

        * tree-vectorizer.c (try_vectorize_loop_1): Skip the epilogue loops
        for dbgcnt check.

2020-08-05  Marc Glisse  <marc.glisse@inria.fr>

        PR tree-optimization/95906
        PR target/70314
        * match.pd ((c ? a : b) op d, (c ? a : b) op (c ? d : e),
        (v ? w : 0) ? a : b, c1 ? c2 ? a : b : b): New transformations.
        (op (c ? a : b)): Update to match the new transformations.

2020-08-05  Richard Sandiford  <richard.sandiford@arm.com>

        PR target/96191
        * config/aarch64/aarch64.md (stack_protect_test_<mode>): Set the
        CC register directly, instead of a GPR.  Replace the original GPR
        destination with an extra scratch register.  Zero out operand 3
        after use.
        (stack_protect_test): Update accordingly.

2020-08-05  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.md (load_pair_sw_<SX:mode><SX2:mode>)
        (load_pair_dw_<DX:mode><DX2:mode>, load_pair_dw_tftf)
        (store_pair_sw_<SX:mode><SX2:mode>)
        (store_pair_dw_<DX:mode><DX2:mode>, store_pair_dw_tftf)
        (*load_pair_extendsidi2_aarch64)
        (*load_pair_zero_extendsidi2_aarch64): Use %z for the memory operand.
        * config/aarch64/aarch64-simd.md (load_pair<DREG:mode><DREG2:mode>)
        (vec_store_pair<DREG:mode><DREG2:mode>, load_pair<VQ:mode><VQ2:mode>)
        (vec_store_pair<VQ:mode><VQ2:mode>): Likewise.

2020-08-05  Richard Biener  <rguenther@suse.de>

        * tree-ssa-loop-im.c (invariantness_dom_walker): Remove.
        (invariantness_dom_walker::before_dom_children): Move to ...
        (compute_invariantness): ... this function.
        (move_computations): Inline ...
        (tree_ssa_lim): ... here, share RPO order and avoid some
        cfun references.
        (analyze_memory_references): Remove sorting of location
        lists, instead assert they are sorted already when checking.
        (prev_flag_edges): Remove.
        (execute_sm_if_changed): Pass down and adjust prev edge state.
        (execute_sm_exit): Likewise.
        (hoist_memory_references): Likewise.  Commit edge insertions
        of each processed exit.
        (store_motion_loop): Do not commit edge insertions on all
        edges in the function.
        (tree_ssa_lim_initialize): Do not call alloc_aux_for_edges.
        (tree_ssa_lim_finalize): Do not call free_aux_for_edges.

2020-08-05  Richard Biener  <rguenther@suse.de>

        * genmatch.c (fail_label): New global.
        (expr::gen_transform): Branch to fail_label instead of
        returning.  Fix indent of call argument checking.
        (dt_simplify::gen_1): Compute and emit fail_label, branch
        to it instead of returning early.

2020-08-05  Jakub Jelinek  <jakub@redhat.com>

        * omp-expand.c (expand_omp_for): Don't disallow combined non-rectangular
        loops.

2020-08-05  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/96459
        * omp-low.c (lower_omp_taskreg): Call lower_reduction_clauses even in
        for host teams.

2020-08-05  Jakub Jelinek  <jakub@redhat.com>

        * omp-expand.c (expand_omp_for_init_counts): Remember
        first_inner_iterations, factor and n1o from the number of iterations
        computation in *fd.
        (expand_omp_for_init_vars): Use more efficient logical iteration number
        to actual iterator values computation even for non-rectangular loops
        where number of loop iterations could not be computed at compile time.

2020-08-05  2020-08-04  Carl Love  <cel@us.ibm.com>

        * config/rs6000/altivec.h (vec_blendv, vec_permx): Add define.
        * config/rs6000/altivec.md (UNSPEC_XXBLEND, UNSPEC_XXPERMX.): New
        unspecs.
        (VM3): New define_mode.
        (VM3_char): New define_attr.
        (xxblend_<mode> mode VM3): New define_insn.
        (xxpermx): New define_expand.
        (xxpermx_inst): New define_insn.
        * config/rs6000/rs6000-builtin.def (VXXBLEND_V16QI, VXXBLEND_V8HI,
        VXXBLEND_V4SI, VXXBLEND_V2DI, VXXBLEND_V4SF, VXXBLEND_V2DF): New
        BU_P10V_3 definitions.
        (XXBLEND): New BU_P10_OVERLOAD_3 definition.
        (XXPERMX): New BU_P10_OVERLOAD_4 definition.
        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
        (P10_BUILTIN_VXXPERMX): Add if statement.
        * config/rs6000/rs6000-call.c (P10_BUILTIN_VXXBLEND_V16QI,
        P10_BUILTIN_VXXBLEND_V8HI, P10_BUILTIN_VXXBLEND_V4SI,
        P10_BUILTIN_VXXBLEND_V2DI, P10_BUILTIN_VXXBLEND_V4SF,
        P10_BUILTIN_VXXBLEND_V2DF, P10_BUILTIN_VXXPERMX): Define
        overloaded arguments.
        (rs6000_expand_quaternop_builtin): Add if case for CODE_FOR_xxpermx.
        (builtin_quaternary_function_type): Add v16uqi_type and xxpermx_type
        variables, add case statement for P10_BUILTIN_VXXPERMX.
        (builtin_function_type): Add case statements for
        P10_BUILTIN_VXXBLEND_V16QI, P10_BUILTIN_VXXBLEND_V8HI,
        P10_BUILTIN_VXXBLEND_V4SI, P10_BUILTIN_VXXBLEND_V2DI.
        * doc/extend.texi: Add documentation for vec_blendv and vec_permx.

2020-08-05  2020-08-04  Carl Love  <cel@us.ibm.com>

        * config/rs6000/altivec.h (vec_splati, vec_splatid, vec_splati_ins):
        Add defines.
        * config/rs6000/altivec.md (UNSPEC_XXSPLTIW, UNSPEC_XXSPLTID,
        UNSPEC_XXSPLTI32DX): New.
        (vxxspltiw_v4si, vxxspltiw_v4sf_inst, vxxspltidp_v2df_inst,
        vxxsplti32dx_v4si_inst, vxxsplti32dx_v4sf_inst): New define_insn.
        (vxxspltiw_v4sf, vxxspltidp_v2df, vxxsplti32dx_v4si,
        vxxsplti32dx_v4sf.): New define_expands.
        * config/rs6000/predicates.md (u1bit_cint_operand,
        s32bit_cint_operand, c32bit_cint_operand): New predicates.
        * config/rs6000/rs6000-builtin.def (VXXSPLTIW_V4SI, VXXSPLTIW_V4SF,
        VXXSPLTID): New definitions.
        (VXXSPLTI32DX_V4SI, VXXSPLTI32DX_V4SF): New BU_P10V_3
        definitions.
        (XXSPLTIW, XXSPLTID): New definitions.
        (XXSPLTI32DX): Add definitions.
        * config/rs6000/rs6000-call.c (P10_BUILTIN_VEC_XXSPLTIW,
        P10_BUILTIN_VEC_XXSPLTID, P10_BUILTIN_VEC_XXSPLTI32DX):
        New definitions.
        * config/rs6000/rs6000-protos.h (rs6000_constF32toI32): New extern
        declaration.
        * config/rs6000/rs6000.c (rs6000_constF32toI32): New function.
        * doc/extend.texi: Add documentation for vec_splati,
        vec_splatid, and vec_splati_ins.

2020-08-05  2020-08-04  Carl Love  <cel@us.ibm.com>

        * config/rs6000/altivec.h (vec_sldb, vec_srdb): New defines.
        * config/rs6000/altivec.md (UNSPEC_SLDB, UNSPEC_SRDB): New.
        (SLDB_lr): New attribute.
        (VSHIFT_DBL_LR): New iterator.
        (vs<SLDB_lr>db_<mode>): New define_insn.
        * config/rs6000/rs6000-builtin.def (VSLDB_V16QI, VSLDB_V8HI,
        VSLDB_V4SI, VSLDB_V2DI, VSRDB_V16QI, VSRDB_V8HI, VSRDB_V4SI,
        VSRDB_V2DI): New BU_P10V_3 definitions.
        (SLDB, SRDB): New BU_P10_OVERLOAD_3 definitions.
        * config/rs6000/rs6000-call.c (P10_BUILTIN_VEC_SLDB,
        P10_BUILTIN_VEC_SRDB): New definitions.
        (rs6000_expand_ternop_builtin) [CODE_FOR_vsldb_v16qi,
        CODE_FOR_vsldb_v8hi, CODE_FOR_vsldb_v4si, CODE_FOR_vsldb_v2di,
        CODE_FOR_vsrdb_v16qi, CODE_FOR_vsrdb_v8hi, CODE_FOR_vsrdb_v4si,
        CODE_FOR_vsrdb_v2di]: Add clauses.
        * doc/extend.texi: Add description for vec_sldb and vec_srdb.

2020-08-05  2020-08-04 Carl Love  <cel@us.ibm.com>

        * config/rs6000/altivec.h: Add define for vec_replace_elt and
        vec_replace_unaligned.
        * config/rs6000/vsx.md (UNSPEC_REPLACE_ELT, UNSPEC_REPLACE_UN): New
        unspecs.
        (REPLACE_ELT): New mode iterator.
        (REPLACE_ELT_char, REPLACE_ELT_sh, REPLACE_ELT_max): New mode attributes.
        (vreplace_un_<mode>, vreplace_elt_<mode>_inst): New.
        * config/rs6000/rs6000-builtin.def (VREPLACE_ELT_V4SI,
        VREPLACE_ELT_UV4SI, VREPLACE_ELT_V4SF, VREPLACE_ELT_UV2DI,
        VREPLACE_ELT_V2DF, VREPLACE_UN_V4SI, VREPLACE_UN_UV4SI,
        VREPLACE_UN_V4SF, VREPLACE_UN_V2DI, VREPLACE_UN_UV2DI,
        VREPLACE_UN_V2DF, (REPLACE_ELT, REPLACE_UN, VREPLACE_ELT_V2DI): New builtin
        entries.
        * config/rs6000/rs6000-call.c (P10_BUILTIN_VEC_REPLACE_ELT,
        P10_BUILTIN_VEC_REPLACE_UN): New builtin argument definitions.
        (rs6000_expand_quaternop_builtin): Add 3rd argument checks for
        CODE_FOR_vreplace_elt_v4si, CODE_FOR_vreplace_elt_v4sf,
        CODE_FOR_vreplace_un_v4si, CODE_FOR_vreplace_un_v4sf.
        (builtin_function_type) [P10_BUILTIN_VREPLACE_ELT_UV4SI,
        P10_BUILTIN_VREPLACE_ELT_UV2DI, P10_BUILTIN_VREPLACE_UN_UV4SI,
        P10_BUILTIN_VREPLACE_UN_UV2DI]: New cases.
        * doc/extend.texi: Add description for vec_replace_elt and
        vec_replace_unaligned builtins.

2020-08-05  2020-08-04  Carl Love  <cel@us.ibm.com>

        * config/rs6000/altivec.h (vec_insertl, vec_inserth): New defines.
        * config/rs6000/rs6000-builtin.def (VINSERTGPRBL, VINSERTGPRHL,
        VINSERTGPRWL, VINSERTGPRDL, VINSERTVPRBL, VINSERTVPRHL, VINSERTVPRWL,
        VINSERTGPRBR, VINSERTGPRHR, VINSERTGPRWR, VINSERTGPRDR, VINSERTVPRBR,
        VINSERTVPRHR, VINSERTVPRWR): New builtins.
        (INSERTL, INSERTH): New builtins.
        * config/rs6000/rs6000-call.c (P10_BUILTIN_VEC_INSERTL,
        P10_BUILTIN_VEC_INSERTH): New overloaded definitions.
        (P10_BUILTIN_VINSERTGPRBL, P10_BUILTIN_VINSERTGPRHL,
        P10_BUILTIN_VINSERTGPRWL, P10_BUILTIN_VINSERTGPRDL,
        P10_BUILTIN_VINSERTVPRBL, P10_BUILTIN_VINSERTVPRHL,
        P10_BUILTIN_VINSERTVPRWL): Add case entries.
        * config/rs6000/vsx.md (define_c_enum): Add UNSPEC_INSERTL,
        UNSPEC_INSERTR.
        (define_expand): Add vinsertvl_<mode>, vinsertvr_<mode>,
        vinsertgl_<mode>, vinsertgr_<mode>, mode is VI2.
        (define_ins): vinsertvl_internal_<mode>, vinsertvr_internal_<mode>,
        vinsertgl_internal_<mode>, vinsertgr_internal_<mode>, mode VEC_I.
        * doc/extend.texi: Add documentation for vec_insertl, vec_inserth.

2020-08-05  2020-08-04  Carl Love  <cel@us.ibm.com>

        * config/rs6000/altivec.md: (UNSPEC_EXTRACTL, UNSPEC_EXTRACTR)
        (vextractl<mode>, vextractr<mode>)
        (vextractl<mode>_internal, vextractr<mode>_internal for mode VI2)
        (VI2): Move to ...
        * config/rs6000/vsx.md: (UNSPEC_EXTRACTL, UNSPEC_EXTRACTR)
        (vextractl<mode>, vextractr<mode>)
        (vextractl<mode>_internal, vextractr<mode>_internal for mode VI2)
        (VI2):  ..here.
        * doc/extend.texi: Update documentation for vec_extractl.
        Replace builtin name vec_extractr with vec_extracth.  Update
        description of vec_extracth.

2020-08-04  Jim Wilson  <jimw@sifive.com>

        * doc/invoke.texi (AArch64 Options): Delete duplicate
        -mstack-protector-guard docs.

2020-08-04  Roger Sayle  <roger@nextmovesoftware.com>

        * config/nvptx/nvptx.md (smulhi3_highpart, smulsi3_highpart)
        (umulhi3_highpart, umulsi3_highpart): New instructions.

2020-08-04  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-run.c (R_AMDGPU_NONE): Delete.
        (R_AMDGPU_ABS32_LO): Delete.
        (R_AMDGPU_ABS32_HI): Delete.
        (R_AMDGPU_ABS64): Delete.
        (R_AMDGPU_REL32): Delete.
        (R_AMDGPU_REL64): Delete.
        (R_AMDGPU_ABS32): Delete.
        (R_AMDGPU_GOTPCREL): Delete.
        (R_AMDGPU_GOTPCREL32_LO): Delete.
        (R_AMDGPU_GOTPCREL32_HI): Delete.
        (R_AMDGPU_REL32_LO): Delete.
        (R_AMDGPU_REL32_HI): Delete.
        (reserved): Delete.
        (R_AMDGPU_RELATIVE64): Delete.

2020-08-04  Omar Tahir  <omar.tahir@arm.com>

        * config/arm/arm-cpus.in (armv8.1-m.main): Tune for Cortex-M55.

2020-08-04  Hu Jiangping  <hujiangping@cn.fujitsu.com>

        * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Delete
        redundant extra_cost variable.

2020-08-04  Zhiheng Xie  <xiezhiheng@huawei.com>

        * config/aarch64/aarch64-builtins.c (aarch64_call_properties):
        Use FLOAT_MODE_P macro instead of enumerating all floating-point
        modes and add global flag FLAG_AUTO_FP.

2020-08-04  Jakub Jelinek  <jakub@redhat.com>

        * doc/extend.texi (symver): Add @cindex for symver function attribute.

2020-08-04  Marc Glisse  <marc.glisse@inria.fr>

        PR tree-optimization/95433
        * match.pd (X * C1 == C2): New transformation.

2020-08-04  Aldy Hernandez  <aldyh@redhat.com>

        * gimple-ssa-sprintf.c (get_int_range): Adjust for irange API.
        (format_integer): Same.
        (handle_printf_call): Same.

2020-08-04  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn.md ("<expander>ti3"): New.

2020-08-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/88240
        * tree-ssa-sccvn.h (vn_reference_s::punned): New flag.
        * tree-ssa-sccvn.c (vn_reference_insert): Initialize punned.
        (vn_reference_insert_pieces): Likewise.
        (visit_reference_op_call): Likewise.
        (visit_reference_op_load): Track whether a ref was punned.
        * tree-ssa-pre.c (do_hoist_insertion): Refuse to perform hoist
        insertion on punned floating point loads.

2020-08-04  Sudakshina Das  <sudi.das@arm.com>

        * config/aarch64/aarch64.c (aarch64_gen_store_pair): Add case
        for E_V4SImode.
        (aarch64_gen_load_pair): Likewise.
        (aarch64_copy_one_block_and_progress_pointers): Handle 256 bit copy.
        (aarch64_expand_cpymem): Expand copy_limit to 256bits where
        appropriate.

2020-08-04  Andrea Corallo  <andrea.corallo@arm.com>

        * config/aarch64/aarch64.md (aarch64_fjcvtzs): Add missing
        clobber.
        * doc/sourcebuild.texi (aarch64_fjcvtzs_hw) Document new
        target supports option.

2020-08-04  Tom de Vries  <tdevries@suse.de>

        PR target/96428
        * config/nvptx/nvptx.c (nvptx_gen_shuffle): Handle V2SI/V2DI.

2020-08-04  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/96426
        * tree-vect-generic.c (expand_vector_conversion): Replace .VEC_CONVERT
        call with GIMPLE_NOP if there is no lhs.

2020-08-04  Jakub Jelinek  <jakub@redhat.com>

        PR debug/96354
        * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Add IS_DEBUG
        argument.  Return false instead of gcc_unreachable if it is true and
        get_addr_base_and_unit_offset returns NULL.
        (fold_stmt_1) <case GIMPLE_DEBUG>: Adjust caller.

2020-08-04  Aldy Hernandez  <aldyh@redhat.com>

        * vr-values.c (simplify_using_ranges::vrp_evaluate_conditional):
        Call is_gimple_min_invariant dropped from previous patch.

2020-08-04  Jakub Jelinek  <jakub@redhat.com>

        * omp-expand.c (expand_omp_for_init_counts): For triangular loops
        compute number of iterations at runtime more efficiently.
        (expand_omp_for_init_vars): Adjust immediate dominators.
        (extract_omp_for_update_vars): Likewise.

2020-08-04  Aldy Hernandez  <aldyh@redhat.com>

        * vr-values.c (simplify_using_ranges::two_valued_val_range_p):
        Use irange API.

2020-08-04  Aldy Hernandez  <aldyh@redhat.com>

        * vr-values.c (simplify_conversion_using_ranges): Convert to irange API.

2020-08-04  Aldy Hernandez  <aldyh@redhat.com>

        * vr-values.c (test_for_singularity): Use irange API.
        (simplify_using_ranges::simplify_cond_using_ranges_1): Do not
        special case VR_RANGE.

2020-08-04  Aldy Hernandez  <aldyh@redhat.com>

        * vr-values.c (simplify_using_ranges::vrp_evaluate_conditional): Adjust
        for irange API.

2020-08-04  Aldy Hernandez  <aldyh@redhat.com>

        * vr-values.c (simplify_using_ranges::op_with_boolean_value_range_p): Adjust
        for irange API.

2020-08-04  Aldy Hernandez  <aldyh@redhat.com>

        * tree-ssanames.c (get_range_info): Use irange instead of value_range.
        * tree-ssanames.h (get_range_info): Same.

2020-08-04  Aldy Hernandez  <aldyh@redhat.com>

        * fold-const.c (expr_not_equal_to): Adjust for irange API.

2020-08-04  Aldy Hernandez  <aldyh@redhat.com>

        * builtins.c (determine_block_size): Remove ad-hoc range canonicalization.

2020-08-04  Xionghu Luo  <luoxhu@linux.ibm.com>

        PR rtl-optimization/71309
        * dse.c (find_shift_sequence): Use subreg of shifted from high part
        register to avoid loading from address.

2020-08-03  Jonathan Wakely  <jwakely@redhat.com>

        * doc/cpp.texi (Variadic Macros): Use the exact ... token in
        code examples.

2020-08-03  Nathan Sidwell  <nathan@acm.org>

        * doc/invoke.texi: Refer to c++20

2020-08-03  Julian Brown  <julian@codesourcery.com>
            Thomas Schwinge  <thomas@codesourcery.com>

        * gimplify.c (gimplify_omp_target_update): Allow GOMP_MAP_TO_PSET
        without a preceding data-movement mapping.

2020-08-03  Iain Sandoe  <iain@sandoe.co.uk>

        * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): UNDEF before
        use.
        (DEF_MIN_OSX_VERSION): Only define if there's no existing
        def.

2020-08-03  Iain Sandoe  <iain@sandoe.co.uk>

        * config/darwin.c (IN_TARGET_CODE): Remove.
        (darwin_mergeable_constant_section): Handle poly-int machine modes.
        (machopic_select_rtx_section): Likewise.

2020-08-03  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/96430
        * range-op.cc (operator_tests): Do not shift by 31 on targets with
        integer's smaller than 32 bits.

2020-08-03  Martin Jambor  <mjambor@suse.cz>

        * hsa-brig-format.h: Moved to brig/brigfrontend.
        * hsa-brig.c: Removed.
        * hsa-builtins.def: Likewise.
        * hsa-common.c: Likewise.
        * hsa-common.h: Likewise.
        * hsa-dump.c: Likewise.
        * hsa-gen.c: Likewise.
        * hsa-regalloc.c: Likewise.
        * ipa-hsa.c: Likewise.
        * omp-grid.c: Likewise.
        * omp-grid.h: Likewise.
        * Makefile.in (BUILTINS_DEF): Remove hsa-builtins.def.
        (OBJS): Remove hsa-common.o, hsa-gen.o, hsa-regalloc.o, hsa-brig.o,
        hsa-dump.o, ipa-hsa.c and omp-grid.o.
        (GTFILES): Removed hsa-common.c and omp-expand.c.
        * builtins.def: Remove processing of hsa-builtins.def.
        (DEF_HSA_BUILTIN): Remove.
        * common.opt (flag_disable_hsa): Remove.
        (-Whsa): Ignore.
        * config.in (ENABLE_HSA): Removed.
        * configure.ac: Removed handling configuration for hsa offloading.
        (ENABLE_HSA): Removed.
        * configure: Regenerated.
        * doc/install.texi (--enable-offload-targets): Remove hsa from the
        example.
        (--with-hsa-runtime): Reword to reference any HSA run-time, not
        specifically HSA offloading.
        * doc/invoke.texi (Option Summary): Remove -Whsa.
        (Warning Options): Likewise.
        (Optimize Options): Remove hsa-gen-debug-stores.
        * doc/passes.texi (Regular IPA passes): Remove section on IPA HSA
        pass.
        * gimple-low.c (lower_stmt): Remove GIMPLE_OMP_GRID_BODY case.
        * gimple-pretty-print.c (dump_gimple_omp_for): Likewise.
        (dump_gimple_omp_block): Likewise.
        (pp_gimple_stmt_1): Likewise.
        * gimple-walk.c (walk_gimple_stmt): Likewise.
        * gimple.c (gimple_build_omp_grid_body): Removed function.
        (gimple_copy): Remove GIMPLE_OMP_GRID_BODY case.
        * gimple.def (GIMPLE_OMP_GRID_BODY): Removed.
        * gimple.h (gf_mask): Removed GF_OMP_PARALLEL_GRID_PHONY,
        OMP_FOR_KIND_GRID_LOOP, GF_OMP_FOR_GRID_PHONY,
        GF_OMP_FOR_GRID_INTRA_GROUP, GF_OMP_FOR_GRID_GROUP_ITER and
        GF_OMP_TEAMS_GRID_PHONY.  Renumbered GF_OMP_FOR_KIND_SIMD and
        GF_OMP_TEAMS_HOST.
        (gimple_build_omp_grid_body): Removed declaration.
        (gimple_has_substatements): Remove GIMPLE_OMP_GRID_BODY case.
        (gimple_omp_for_grid_phony): Removed.
        (gimple_omp_for_set_grid_phony): Likewise.
        (gimple_omp_for_grid_intra_group): Likewise.
        (gimple_omp_for_grid_intra_group): Likewise.
        (gimple_omp_for_grid_group_iter): Likewise.
        (gimple_omp_for_set_grid_group_iter): Likewise.
        (gimple_omp_parallel_grid_phony): Likewise.
        (gimple_omp_parallel_set_grid_phony): Likewise.
        (gimple_omp_teams_grid_phony): Likewise.
        (gimple_omp_teams_set_grid_phony): Likewise.
        (CASE_GIMPLE_OMP): Remove GIMPLE_OMP_GRID_BODY case.
        * lto-section-in.c (lto_section_name): Removed hsa.
        * lto-streamer.h (lto_section_type): Removed LTO_section_ipa_hsa.
        * lto-wrapper.c (compile_images_for_offload_targets): Remove special
        handling of hsa.
        * omp-expand.c: Do not include hsa-common.h and gt-omp-expand.h.
        (parallel_needs_hsa_kernel_p): Removed.
        (grid_launch_attributes_trees): Likewise.
        (grid_launch_attributes_trees): Likewise.
        (grid_create_kernel_launch_attr_types): Likewise.
        (grid_insert_store_range_dim): Likewise.
        (grid_get_kernel_launch_attributes): Likewise.
        (get_target_arguments): Remove code passing HSA grid sizes.
        (grid_expand_omp_for_loop): Remove.
        (grid_arg_decl_map): Likewise.
        (grid_remap_kernel_arg_accesses): Likewise.
        (grid_expand_target_grid_body): Likewise.
        (expand_omp): Remove call to grid_expand_target_grid_body.
        (omp_make_gimple_edges): Remove GIMPLE_OMP_GRID_BODY case.
        * omp-general.c: Do not include hsa-common.h.
        (omp_maybe_offloaded): Do not check for HSA offloading.
        (omp_context_selector_matches): Likewise.
        * omp-low.c: Do not include hsa-common.h and omp-grid.h.
        (build_outer_var_ref): Remove handling of GIMPLE_OMP_GRID_BODY.
        (scan_sharing_clauses): Remove handling of OMP_CLAUSE__GRIDDIM_.
        (scan_omp_parallel): Remove handling of the phoney variant.
        (check_omp_nesting_restrictions): Remove handling of
        GIMPLE_OMP_GRID_BODY and GF_OMP_FOR_KIND_GRID_LOOP.
        (scan_omp_1_stmt): Remove handling of GIMPLE_OMP_GRID_BODY.
        (lower_omp_for_lastprivate): Remove handling of gridified loops.
        (lower_omp_for): Remove phony loop handling.
        (lower_omp_taskreg): Remove phony construct handling.
        (lower_omp_teams): Likewise.
        (lower_omp_grid_body): Removed.
        (lower_omp_1): Remove GIMPLE_OMP_GRID_BODY case.
        (execute_lower_omp): Do not call omp_grid_gridify_all_targets.
        * opts.c (common_handle_option): Do not handle hsa when processing
        OPT_foffload_.
        * params.opt (hsa-gen-debug-stores): Remove.
        * passes.def: Remove pass_ipa_hsa and pass_gen_hsail.
        * timevar.def: Remove TV_IPA_HSA.
        * toplev.c: Do not include hsa-common.h.
        (compile_file): Do not call hsa_output_brig.
        * tree-core.h (enum omp_clause_code): Remove OMP_CLAUSE__GRIDDIM_.
        (tree_omp_clause): Remove union field dimension.
        * tree-nested.c (convert_nonlocal_omp_clauses): Remove the
        OMP_CLAUSE__GRIDDIM_ case.
        (convert_local_omp_clauses): Likewise.
        * tree-pass.h (make_pass_gen_hsail): Remove declaration.
        (make_pass_ipa_hsa): Likewise.
        * tree-pretty-print.c (dump_omp_clause): Remove GIMPLE_OMP_GRID_BODY
        case.
        * tree.c (omp_clause_num_ops): Remove the element corresponding to
        OMP_CLAUSE__GRIDDIM_.
        (omp_clause_code_name): Likewise.
        (walk_tree_1): Remove GIMPLE_OMP_GRID_BODY case.
        * tree.h (OMP_CLAUSE__GRIDDIM__DIMENSION): Remove.
        (OMP_CLAUSE__GRIDDIM__SIZE): Likewise.
        (OMP_CLAUSE__GRIDDIM__GROUP): Likewise.

2020-08-03  Bu Le  <bule1@huawei.com>

        * config/aarch64/aarch64-sve.md (sub<mode>3): Add support for
        unpacked vectors.

2020-08-03  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430.h (ASM_SPEC): Don't pass on "-md" option.

2020-08-03  Yunde Zhong  <zhongyunde@huawei.com>

        PR rtl-optimization/95696
        * regrename.c (regrename_analyze): New param include_all_block_p
        with default value TRUE.  If set to false, avoid disrupting SMS
        schedule.
        * regrename.h (regrename_analyze): Adjust prototype.

2020-08-03  Wei Wentao  <weiwt.fnst@cn.fujitsu.com>

        * doc/tm.texi.in (VECTOR_STORE_FLAG_VALUE): Fix a typo.
        * doc/tm.texi: Regenerate.

2020-08-03  Richard Sandiford  <richard.sandiford@arm.com>

        * doc/invoke.texi: Add missing comma after octeontx2f95mm entry.

2020-08-03  Qian jianhua  <qianjh@cn.fujitsu.com>

        * config/aarch64/aarch64-cores.def (a64fx): New core.
        * config/aarch64/aarch64-tune.md: Regenerated.
        * config/aarch64/aarch64.c (a64fx_prefetch_tune, a64fx_tunings): New.
        * doc/invoke.texi: Add a64fx to the list.

2020-08-03  Roger Sayle  <roger@nextmovesoftware.com>

        PR rtl-optimization/61494
        * simplify-rtx.c (simplify_binary_operation_1) [MINUS]: Don't
        simplify x - 0.0 with -fsignaling-nans.

2020-08-03  Roger Sayle  <roger@nextmovesoftware.com>

        * genmatch.c (decision_tree::gen): Emit stub functions for
        tree code operand counts that have no simplifications.
        (main): Correct comment typo.

2020-08-03  Jonathan Wakely  <jwakely@redhat.com>

        * gimple-ssa-sprintf.c: Fix typos in comments.

2020-08-03  Tamar Christina  <tamar.christina@arm.com>

        * config/aarch64/driver-aarch64.c (readline): Check return value fgets.

2020-08-03  Richard Biener  <rguenther@suse.de>

        * doc/match-and-simplify.texi: Amend accordingly.

2020-08-03  Richard Biener  <rguenther@suse.de>

        * genmatch.c (parser::gimple): New.
        (parser::parser): Initialize gimple flag member.
        (parser::parse_expr): Error on ! operator modifier when
        not targeting GIMPLE.
        (main): Pass down gimple flag to parser ctor.

2020-08-03  Aldy Hernandez  <aldyh@redhat.com>

        * Makefile.in (GTFILES): Move value-range.h up.
        * gengtype-lex.l: Set yylval to handle GTY markers on templates.
        * ipa-cp.c (initialize_node_lattices): Call value_range
        constructor.
        (ipcp_propagate_stage): Use in-place new so value_range construct
        is called.
        * ipa-fnsummary.c (evaluate_conditions_for_known_args): Use std
        vec instead of GCC's vec<>.
        (evaluate_properties_for_edge): Adjust for std vec.
        (ipa_fn_summary_t::duplicate): Same.
        (estimate_ipcp_clone_size_and_time): Same.
        * ipa-prop.c (ipa_get_value_range): Use in-place new for
        value_range.
        * ipa-prop.h (struct GTY): Remove class keyword for m_vr.
        * range-op.cc (empty_range_check): Rename to...
        (empty_range_varying): ...this and adjust for varying.
        (undefined_shift_range_check): Adjust for irange.
        (range_operator::wi_fold): Same.
        (range_operator::fold_range): Adjust for irange.  Special case
        single pairs for performance.
        (range_operator::op1_range): Adjust for irange.
        (range_operator::op2_range): Same.
        (value_range_from_overflowed_bounds): Same.
        (value_range_with_overflow): Same.
        (create_possibly_reversed_range): Same.
        (range_true): Same.
        (range_false): Same.
        (range_true_and_false): Same.
        (get_bool_state):  Adjust for irange and tweak for performance.
        (operator_equal::fold_range): Adjust for irange.
        (operator_equal::op1_range): Same.
        (operator_equal::op2_range): Same.
        (operator_not_equal::fold_range): Same.
        (operator_not_equal::op1_range): Same.
        (operator_not_equal::op2_range): Same.
        (build_lt): Same.
        (build_le): Same.
        (build_gt): Same.
        (build_ge): Same.
        (operator_lt::fold_range): Same.
        (operator_lt::op1_range): Same.
        (operator_lt::op2_range): Same.
        (operator_le::fold_range): Same.
        (operator_le::op1_range): Same.
        (operator_le::op2_range): Same.
        (operator_gt::fold_range): Same.
        (operator_gt::op1_range): Same.
        (operator_gt::op2_range): Same.
        (operator_ge::fold_range): Same.
        (operator_ge::op1_range): Same.
        (operator_ge::op2_range): Same.
        (operator_plus::wi_fold): Same.
        (operator_plus::op1_range): Same.
        (operator_plus::op2_range): Same.
        (operator_minus::wi_fold): Same.
        (operator_minus::op1_range): Same.
        (operator_minus::op2_range): Same.
        (operator_min::wi_fold): Same.
        (operator_max::wi_fold): Same.
        (cross_product_operator::wi_cross_product): Same.
        (operator_mult::op1_range): New.
        (operator_mult::op2_range): New.
        (operator_mult::wi_fold): Adjust for irange.
        (operator_div::wi_fold): Same.
        (operator_exact_divide::op1_range): Same.
        (operator_lshift::fold_range): Same.
        (operator_lshift::wi_fold): Same.
        (operator_lshift::op1_range): New.
        (operator_rshift::op1_range): New.
        (operator_rshift::fold_range): Adjust for irange.
        (operator_rshift::wi_fold): Same.
        (operator_cast::truncating_cast_p): Abstract out from
        operator_cast::fold_range.
        (operator_cast::fold_range): Adjust for irange and tweak for
        performance.
        (operator_cast::inside_domain_p): Abstract out from fold_range.
        (operator_cast::fold_pair): Same.
        (operator_cast::op1_range): Use abstracted methods above.  Adjust
        for irange and tweak for performance.
        (operator_logical_and::fold_range): Adjust for irange.
        (operator_logical_and::op1_range): Same.
        (operator_logical_and::op2_range): Same.
        (unsigned_singleton_p): New.
        (operator_bitwise_and::remove_impossible_ranges): New.
        (operator_bitwise_and::fold_range): New.
        (wi_optimize_and_or):  Adjust for irange.
        (operator_bitwise_and::wi_fold): Same.
        (set_nonzero_range_from_mask): New.
        (operator_bitwise_and::simple_op1_range_solver): New.
        (operator_bitwise_and::op1_range): Adjust for irange.
        (operator_bitwise_and::op2_range): Same.
        (operator_logical_or::fold_range): Same.
        (operator_logical_or::op1_range): Same.
        (operator_logical_or::op2_range): Same.
        (operator_bitwise_or::wi_fold): Same.
        (operator_bitwise_or::op1_range): Same.
        (operator_bitwise_or::op2_range): Same.
        (operator_bitwise_xor::wi_fold): Same.
        (operator_bitwise_xor::op1_range): New.
        (operator_bitwise_xor::op2_range): New.
        (operator_trunc_mod::wi_fold):  Adjust for irange.
        (operator_logical_not::fold_range): Same.
        (operator_logical_not::op1_range): Same.
        (operator_bitwise_not::fold_range): Same.
        (operator_bitwise_not::op1_range): Same.
        (operator_cst::fold_range): Same.
        (operator_identity::fold_range): Same.
        (operator_identity::op1_range): Same.
        (class operator_unknown): New.
        (operator_unknown::fold_range): New.
        (class operator_abs): Adjust for irange.
        (operator_abs::wi_fold): Same.
        (operator_abs::op1_range): Same.
        (operator_absu::wi_fold): Same.
        (class operator_negate): Same.
        (operator_negate::fold_range): Same.
        (operator_negate::op1_range): Same.
        (operator_addr_expr::fold_range): Same.
        (operator_addr_expr::op1_range): Same.
        (pointer_plus_operator::wi_fold): Same.
        (pointer_min_max_operator::wi_fold): Same.
        (pointer_and_operator::wi_fold): Same.
        (pointer_or_operator::op1_range): New.
        (pointer_or_operator::op2_range): New.
        (pointer_or_operator::wi_fold):  Adjust for irange.
        (integral_table::integral_table): Add entries for IMAGPART_EXPR
        and POINTER_DIFF_EXPR.
        (range_cast):  Adjust for irange.
        (build_range3): New.
        (range3_tests): New.
        (widest_irange_tests): New.
        (multi_precision_range_tests): New.
        (operator_tests): New.
        (range_tests): New.
        * range-op.h (class range_operator): Adjust for irange.
        (range_cast): Same.
        * tree-vrp.c (range_fold_binary_symbolics_p): Adjust for irange and
        tweak for performance.
        (range_fold_binary_expr): Same.
        (masked_increment): Change to extern.
        * tree-vrp.h (masked_increment): New.
        * tree.c (cache_wide_int_in_type_cache): New function abstracted
        out from wide_int_to_tree_1.
        (wide_int_to_tree_1): Cache 0, 1, and MAX for pointers.
        * value-range-equiv.cc (value_range_equiv::deep_copy): Use kind
        method.
        (value_range_equiv::move): Same.
        (value_range_equiv::check): Adjust for irange.
        (value_range_equiv::intersect): Same.
        (value_range_equiv::union_): Same.
        (value_range_equiv::dump): Same.
        * value-range.cc (irange::operator=): Same.
        (irange::maybe_anti_range): New.
        (irange::copy_legacy_range): New.
        (irange::set_undefined): Adjust for irange.
        (irange::swap_out_of_order_endpoints): Abstract out from set().
        (irange::set_varying): Adjust for irange.
        (irange::irange_set): New.
        (irange::irange_set_anti_range): New.
        (irange::set): Adjust for irange.
        (value_range::set_nonzero): Move to header file.
        (value_range::set_zero): Move to header file.
        (value_range::check): Rename to...
        (irange::verify_range): ...this.
        (value_range::num_pairs): Rename to...
        (irange::legacy_num_pairs): ...this, and adjust for irange.
        (value_range::lower_bound): Rename to...
        (irange::legacy_lower_bound): ...this, and adjust for irange.
        (value_range::upper_bound): Rename to...
        (irange::legacy_upper_bound): ...this, and adjust for irange.
        (value_range::equal_p): Rename to...
        (irange::legacy_equal_p): ...this.
        (value_range::operator==): Move to header file.
        (irange::equal_p): New.
        (irange::symbolic_p): Adjust for irange.
        (irange::constant_p): Same.
        (irange::singleton_p): Same.
        (irange::value_inside_range): Same.
        (irange::may_contain_p): Same.
        (irange::contains_p): Same.
        (irange::normalize_addresses): Same.
        (irange::normalize_symbolics): Same.
        (irange::legacy_intersect): Same.
        (irange::legacy_union): Same.
        (irange::union_): Same.
        (irange::intersect): Same.
        (irange::irange_union): New.
        (irange::irange_intersect): New.
        (subtract_one): New.
        (irange::invert): Adjust for irange.
        (dump_bound_with_infinite_markers): New.
        (irange::dump): Adjust for irange.
        (debug): Add irange versions.
        (range_has_numeric_bounds_p): Adjust for irange.
        (vrp_val_max): Move to header file.
        (vrp_val_min): Move to header file.
        (DEFINE_INT_RANGE_GC_STUBS): New.
        (DEFINE_INT_RANGE_INSTANCE): New.
        * value-range.h (class irange): New.
        (class int_range): New.
        (class value_range): Rename to a instantiation of int_range.
        (irange::legacy_mode_p): New.
        (value_range::value_range): Remove.
        (irange::kind): New.
        (irange::num_pairs): Adjust for irange.
        (irange::type): Adjust for irange.
        (irange::tree_lower_bound): New.
        (irange::tree_upper_bound): New.
        (irange::type): Adjust for irange.
        (irange::min): Same.
        (irange::max): Same.
        (irange::varying_p): Same.
        (irange::undefined_p): Same.
        (irange::zero_p): Same.
        (irange::nonzero_p): Same.
        (irange::supports_type_p): Same.
        (range_includes_zero_p): Same.
        (gt_ggc_mx): New.
        (gt_pch_nx): New.
        (irange::irange): New.
        (int_range::int_range): New.
        (int_range::operator=): New.
        (irange::set): Moved from value-range.cc and adjusted for irange.
        (irange::set_undefined): Same.
        (irange::set_varying): Same.
        (irange::operator==): Same.
        (irange::lower_bound): Same.
        (irange::upper_bound): Same.
        (irange::union_): Same.
        (irange::intersect): Same.
        (irange::set_nonzero): Same.
        (irange::set_zero): Same.
        (irange::normalize_min_max): New.
        (vrp_val_max): Move from value-range.cc.
        (vrp_val_min): Same.
        * vr-values.c (vr_values::get_lattice_entry): Call value_range
        constructor.

2020-08-02  Sergei Trofimovich  <siarheit@google.com>

        PR bootstrap/96404
        * var-tracking.c (vt_find_locations): Fully initialize
        all 'in_pending' bits.

2020-08-01  Jan Hubicka  <jh@suse.cz>

        * symtab.c (symtab_node::verify_base): Verify order.
        (symtab_node::verify_symtab_nodes): Verify order.

2020-08-01  Jan Hubicka  <jh@suse.cz>

        * predict.c (estimate_bb_frequencies): Cap recursive calls by 90%.

2020-08-01  Jojo R  <jiejie_rong@c-sky.com>

        * config/csky/csky_opts.h (float_abi_type): New.
        * config/csky/csky.h (TARGET_SOFT_FLOAT): New.
        (TARGET_HARD_FLOAT): New.
        (TARGET_HARD_FLOAT_ABI): New.
        (OPTION_DEFAULT_SPECS): Use mfloat-abi.
        * config/csky/csky.opt (mfloat-abi): New.
        * doc/invoke.texi (C-SKY Options): Document -mfloat-abi=.

2020-08-01  Cooper Qu  <cooper.qu@linux.alibaba.com>

        * config/csky/t-csky-linux: Delete big endian CPUs' multilib.

2020-07-31  Roger Sayle  <roger@nextmovesoftware.com>
            Tom de Vries  <tdevries@suse.de>

        PR target/90928
        * config/nvptx/nvptx.c (nvptx_truly_noop_truncation): Implement.
        (TARGET_TRULY_NOOP_TRUNCATION): Define.

2020-07-31  Richard Biener  <rguenther@suse.de>

        PR debug/96383
        * langhooks-def.h (lhd_finalize_early_debug): Declare.
        (LANG_HOOKS_FINALIZE_EARLY_DEBUG): Define.
        (LANG_HOOKS_INITIALIZER): Amend.
        * langhooks.c: Include cgraph.h and debug.h.
        (lhd_finalize_early_debug): Default implementation from
        former code in finalize_compilation_unit.
        * langhooks.h (lang_hooks::finalize_early_debug): Add.
        * cgraphunit.c (symbol_table::finalize_compilation_unit):
        Call the finalize_early_debug langhook.

2020-07-31  Richard Biener  <rguenther@suse.de>

        * genmatch.c (expr::force_leaf): Add and initialize.
        (expr::gen_transform): Honor force_leaf by passing
        NULL as sequence argument to maybe_push_res_to_seq.
        (parser::parse_expr): Allow ! marker on result expression
        operations.
        * doc/match-and-simplify.texi: Amend.

2020-07-31  Kewen Lin  <linkw@linux.ibm.com>

        * tree-vect-loop.c (vect_get_known_peeling_cost): Don't consider branch
        taken costs for prologue and epilogue if they don't exist.
        (vect_estimate_min_profitable_iters): Likewise.

2020-07-31  Martin Liska  <mliska@suse.cz>

        * cgraph.h: Remove leading empty lines.
        * cgraphunit.c (enum cgraph_order_sort_kind): Remove
        ORDER_UNDEFINED.
        (struct cgraph_order_sort): Add constructors.
        (cgraph_order_sort::process): New.
        (cgraph_order_cmp): New.
        (output_in_order): Simplify and push nodes to vector.

2020-07-31  Richard Biener  <rguenther@suse.de>

        PR middle-end/96369
        * fold-const.c (fold_range_test): Special-case constant
        LHS for short-circuiting operations.

2020-07-31  Martin Liska  <mliska@suse.cz>

        * gcov-io.h (GCOV_PREALLOCATED_KVP): New.

2020-07-31  Zhiheng Xie  <xiezhiheng@huawei.com>

        * config/aarch64/aarch64-builtins.c (aarch64_general_add_builtin):
        Add new argument ATTRS.
        (aarch64_call_properties): New function.
        (aarch64_modifies_global_state_p): Likewise.
        (aarch64_reads_global_state_p): Likewise.
        (aarch64_could_trap_p): Likewise.
        (aarch64_add_attribute): Likewise.
        (aarch64_get_attributes): Likewise.
        (aarch64_init_simd_builtins): Add attributes for each built-in function.

2020-07-31  Richard Biener  <rguenther@suse.de>

        PR debug/78288
        * var-tracking.c (vt_find_locations): Use
        rev_post_order_and_mark_dfs_back_seme and separately iterate
        over toplevel SCCs.

2020-07-31  Richard Biener  <rguenther@suse.de>

        * cfganal.h (rev_post_order_and_mark_dfs_back_seme): Adjust
        prototype.
        * cfganal.c (rpoamdbs_bb_data): New struct with pre BB data.
        (tag_header): New helper.
        (cmp_edge_dest_pre): Likewise.
        (rev_post_order_and_mark_dfs_back_seme): Compute SCCs,
        find SCC exits and perform a DFS walk with extra edges to
        compute a RPO with adjacent SCC members when requesting an
        iteration optimized order and populate the toplevel SCC array.
        * tree-ssa-sccvn.c (do_rpo_vn): Remove ad-hoc computation
        of max_rpo and fill it in from SCC extent info instead.

2020-07-30  Will Schmidt  <will_schmidt@vnet.ibm.com>

        * config/rs6000/altivec.h (vec_test_lsbb_all_ones): New define.
        (vec_test_lsbb_all_zeros): New define.
        * config/rs6000/rs6000-builtin.def (BU_P10_VSX_1): New built-in
        handling macro.
        (XVTLSBB_ZEROS, XVTLSBB_ONES): New builtin defines.
        (xvtlsbb_all_zeros, xvtlsbb_all_ones): New builtin overloads.
        * config/rs6000/rs6000-call.c (P10_BUILTIN_VEC_XVTLSBB_ZEROS,
        P10_BUILTIN_VEC_XVTLSBB_ONES): New altivec_builtin_types entries.
        * config/rs6000/rs6000.md (UNSPEC_XVTLSBB):  New unspec.
        * config/rs6000/vsx.md (*xvtlsbb_internal): New instruction define.
        (xvtlsbbo, xvtlsbbz): New instruction expands.

2020-07-30  Cooper Qu  <cooper.qu@linux.alibaba.com>

        * config/riscv/riscv-opts.h (stack_protector_guard): New enum.
        * config/riscv/riscv.c (riscv_option_override): Handle
        the new options.
        * config/riscv/riscv.md (stack_protect_set): New pattern to handle
        flexible stack protector guard settings.
        (stack_protect_set_<mode>): Ditto.
        (stack_protect_test): Ditto.
        (stack_protect_test_<mode>): Ditto.
        * config/riscv/riscv.opt (mstack-protector-guard=,
        mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
        options.
        * doc/invoke.texi (Option Summary) [RISC-V Options]:
        Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
        -mstack-protector-guard-offset=.
        (RISC-V Options): Ditto.

2020-07-30  H.J. Lu  <hjl.tools@gmail.com>

        PR bootstrap/96202
        * configure: Regenerated.

2020-07-30  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96370
        * tree-ssa-reassoc.c (rewrite_expr_tree): Add operation
        code parameter and use it instead of picking it up from
        the stmt that is being rewritten.
        (reassociate_bb): Pass down the operation code.

2020-07-30  Roger Sayle  <roger@nextmovesoftware.com>
            Tom de Vries  <tdevries@suse.de>

        * config/nvptx/nvptx.md (nvptx_vector_index_operand): New predicate.
        (VECELEM): New mode attribute for a vector's uppercase element mode.
        (Vecelem): New mode attribute for a vector's lowercase element mode.
        (*vec_set<mode>_0, *vec_set<mode>_1, *vec_set<mode>_2)
        (*vec_set<mode>_3): New instructions.
        (vec_set<mode>): New expander to generate one of the above insns.
        (vec_extract<mode><Vecelem>): New instruction.

2020-07-30  Martin Liska  <mliska@suse.cz>

        PR target/95435
        * config/i386/x86-tune-costs.h: Use libcall for large sizes for
        -m32. Start using libcall from 128+ bytes.

2020-07-30  Martin Liska  <mliska@suse.cz>

        * config/i386/x86-tune-costs.h: Change code formatting.

2020-07-29  Roger Sayle  <roger@nextmovesoftware.com>

        * config/nvptx/nvptx.md (recip<mode>2): New instruction.

2020-07-29  Fangrui Song  <maskray@google.com>

        PR debug/95096
        * opts.c (common_handle_option): Don't make -gsplit-dwarf imply -g.
        * doc/invoke.texi (-gsplit-dwarf): Update documentation.

2020-07-29  Joe Ramsay  <joe.ramsay@arm.com>

        * config/arm/arm-protos.h (arm_coproc_mem_operand_no_writeback):
        Declare prototype.
        (arm_mve_mode_and_operands_type_check): Declare prototype.
        * config/arm/arm.c (arm_coproc_mem_operand): Refactor to use
        _arm_coproc_mem_operand.
        (arm_coproc_mem_operand_wb): New function to cover full, limited
        and no writeback.
        (arm_coproc_mem_operand_no_writeback): New constraint for memory
        operand with no writeback.
        (arm_print_operand): Extend 'E' specifier for memory operand
        that does not support writeback.
        (arm_mve_mode_and_operands_type_check): New constraint check for
        MVE memory operands.
        * config/arm/constraints.md: Add Uj constraint for VFP vldr.16
        and vstr.16.
        * config/arm/vfp.md (*mov_load_vfp_hf16): New pattern for
        vldr.16.
        (*mov_store_vfp_hf16): New pattern for vstr.16.
        (*mov<mode>_vfp_<mode>16): Remove MVE moves.

2020-07-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96349
        * tree-ssa-loop-split.c (stmt_semi_invariant_p_1): When the
        condition runs into a loop PHI with an abnormal entry value give up.

2020-07-29  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.c (vectorize_loops): Reset the SCEV
        cache if we removed any SIMD UID SSA defs.
        * gimple-loop-interchange.cc (pass_linterchange::execute):
        Reset the scev cache if we interchanged a loop.

2020-07-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95679
        * tree-ssa-propagate.h
        (substitute_and_fold_engine::propagate_into_phi_args): Return
        whether anything changed.
        * tree-ssa-propagate.c
        (substitute_and_fold_engine::propagate_into_phi_args): Likewise.
        (substitute_and_fold_dom_walker::before_dom_children): Update
        something_changed.

2020-07-29  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>

        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
        Ensure that loop variable npeel_tmp advances in each iteration.

2020-07-29  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.h (NO_FUNCTION_CSE): Define to 1.

2020-07-29  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.h (ASM_OUTPUT_EXTERNAL): Define to
        default_elf_asm_output_external.

2020-07-28  Sergei Trofimovich  <siarheit@google.com>

        PR ipa/96291
        * ipa-cp.c (has_undead_caller_from_outside_scc_p): Consider
        unoptimized callers as undead.

2020-07-28  Roger Sayle  <roger@nextmovesoftware.com>
            Richard Biener  <rguenther@suse.de>

        * match.pd (popcount(x)&1 -> parity(x)): New simplification.
        (parity(~x) -> parity(x)): New simplification.
        (parity(x)^parity(y) -> parity(x^y)): New simplification.
        (parity(x&1) -> x&1): New simplification.
        (popcount(x) -> x>>C): New simplification.

2020-07-28  Roger Sayle  <roger@nextmovesoftware.com>
            Tom de Vries  <tdevries@suse.de>

        * config/nvptx/nvptx.md (extendqihi2): New instruction.
        (ashl<mode>3, ashr<mode>3, lshr<mode>3): Support HImode.

2020-07-28  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/96335
        * calls.c (maybe_warn_rdwr_sizes): Add FNDECL and FNTYPE arguments,
        instead of trying to rediscover them in the body.
        (initialize_argument_information): Adjust caller.

2020-07-28  Kewen Lin  <linkw@linux.ibm.com>

        * tree-vect-loop.c (vect_get_known_peeling_cost): Factor out some code
        to determine peel_iters_epilogue to...
        (vect_get_peel_iters_epilogue): ...this new function.
        (vect_estimate_min_profitable_iters): Refactor cost calculation on
        peel_iters_prologue and peel_iters_epilogue.

2020-07-27  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/84079
        * gimple-array-bounds.cc (array_bounds_checker::check_addr_expr):
        Only allow just-past-the-end references for the most significant
        array bound.

2020-07-27  Hu Jiangping  <hujiangping@cn.fujitsu.com>

        PR driver/96247
        * opts.c (check_alignment_argument): Set the -falign-Name
        on/off flag on and set the -falign-Name string value null,
        when the command-line specified argument is zero.

2020-07-27  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/96058
        * expr.c (string_constant): Build string_constant only
        for a type that has same precision as char_type_node
        and is an integral type.

2020-07-27  Richard Biener  <rguenther@suse.de>

        * var-tracking.c (variable_tracking_main_1): Remove call
        to mark_dfs_back_edges.

2020-07-27  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/96128
        * tree-vect-generic.c (expand_vector_comparison): Do not expand
        vector comparison with VEC_COND_EXPR.

2020-07-27  H.J. Lu  <hjl.tools@gmail.com>

        PR bootstrap/96203
        * common.opt: Add -fcf-protection=check.
        * flag-types.h (cf_protection_level): Add CF_CHECK.
        * lto-wrapper.c (merge_and_complain): Issue an error for
        mismatching -fcf-protection values with -fcf-protection=check.
        Otherwise, merge -fcf-protection values.
        * doc/invoke.texi: Document -fcf-protection=check.

2020-07-27  Martin Liska  <mliska@suse.cz>

        PR lto/45375
        * symbol-summary.h: Call vec_safe_reserve before grow is called
        in order to grow to a reasonable size.
        * vec.h (vec_safe_reserve): Add missing function for vl_ptr
        type.

2020-07-26  Hans-Peter Nilsson  <hp@bitrange.com>

        * configure.ac (out-of-tree linker .hidden support): Don't turn off
        for mmix-knuth-mmixware.
        * configure: Regenerate.

2020-07-26  Aaron Sawdey  <acsawdey@linux.ibm.com>

        * config/rs6000/rs6000.c (rs6000_option_override_internal):
        Set the default value for -mblock-ops-unaligned-vsx.
        * config/rs6000/rs6000.opt: Add -mblock-ops-unaligned-vsx.
        * doc/invoke.texi: Document -mblock-ops-unaligned-vsx.

2020-07-25  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c (TARGET_ASM_OUTPUT_IDENT): Override the default
        with default_asm_output_ident_directive.

2020-07-25  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn.c (gcn_scalar_mode_supported_p): New function.
        (TARGET_SCALAR_MODE_SUPPORTED_P): New define.

2020-07-24  David Edelsohn  <dje.gcc@gmail.com>
            Clement Chigot  <clement.chigot@atos.net>

        * config.gcc (powerpc-ibm-aix7.1): Use t-aix64 and biarch64 for
        cpu_is_64bit.
        * config/rs6000/aix71.h (ASM_SPEC): Remove aix64 option.
        (ASM_SPEC32): New.
        (ASM_SPEC64): New.
        (ASM_CPU_SPEC): Remove vsx and altivec options.
        (CPP_SPEC_COMMON): Rename from CPP_SPEC.
        (CPP_SPEC32): New.
        (CPP_SPEC64): New.
        (CPLUSPLUS_CPP_SPEC): Rename to CPLUSPLUS_CPP_SPEC_COMMON..
        (TARGET_DEFAULT): Use 64 bit mask if BIARCH.
        (LIB_SPEC_COMMON): Rename from LIB_SPEC.
        (LIB_SPEC32): New.
        (LIB_SPEC64): New.
        (LINK_SPEC_COMMON): Rename from LINK_SPEC.
        (LINK_SPEC32): New.
        (LINK_SPEC64): New.
        (STARTFILE_SPEC): Add 64 bit version of crtcxa and crtdbase.
        (ASM_SPEC): Define 32 and 64 bit alternatives using DEFAULT_ARCH64_P.
        (CPP_SPEC): Same.
        (CPLUSPLUS_CPP_SPEC): Same.
        (LIB_SPEC): Same.
        (LINK_SPEC): Same.
        (SUBTARGET_EXTRA_SPECS): Add new 32/64 specs.
        * config/rs6000/aix72.h (TARGET_DEFAULT): Use 64 bit mask if BIARCH.
        * config/rs6000/defaultaix64.h: Delete.

2020-07-24  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.opt: Delete -mpower10.

2020-07-24  Alexandre Oliva  <oliva@adacore.com>

        * config/i386/intelmic-mkoffload.c
        (generate_target_descr_file): Use dumppfx for save_temps
        files.  Pass -dumpbase et al down to the compiler.
        (generate_target_offloadend_file): Likewise.
        (generate_host_descr_file): Likewise.
        (prepare_target_image): Likewise.  Move out_obj_filename
        setting...
        (main): ... here.  Detect -dumpbase, set dumppfx too.

2020-07-24  Alexandre Oliva  <oliva@adacore.com>

        PR driver/96230
        * gcc.c (process_command): Adjust and document conditions to
        reset dumpbase_ext.

2020-07-24  Matthias Klose  <doko@ubuntu.com>

        * config/aarch64/aarch64.c (+aarch64_offload_options,
        TARGET_OFFLOAD_OPTIONS): New.

2020-07-24  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95750
        * config/i386/sync.md (mmem_thread_fence): Emit mfence_sse2 for -Os.

2020-07-23  Roger Sayle  <roger@nextmovesoftware.com>

        PR rtl-optimization/96298
        * simplify-rtx.c (simplify_binary_operation_1) [XOR]: Xor doesn't
        distribute over xor, so (a^b)^(c^b) is not the same as (a^c)^b.

2020-07-23  Dong JianQiang  <dongjianqiang2@huawei.com>

        PR gcov-profile/96267
        * gcov-io.c (gcov_open): enable if IN_GCOV_TOOL.

2020-07-23  Kewen Lin  <linkw@linux.ibm.com>

        * config/rs6000/rs6000.c (adjust_vectorization_cost): Renamed to ...
        (rs6000_adjust_vect_cost_per_stmt): ... here.
        (rs6000_add_stmt_cost): Rename adjust_vectorization_cost to
        rs6000_adjust_vect_cost_per_stmt.

2020-07-23  Kewen Lin  <linkw@linux.ibm.com>

        * tree-ssa-loop-ivopts.c (get_mem_type_for_internal_fn): Handle
        IFN_LEN_LOAD and IFN_LEN_STORE.
        (get_alias_ptr_type_for_ptr_address): Likewise.

2020-07-23  Kito Cheng  <kito.cheng@sifive.com>

        PR target/96260
        * asan.c (asan_shadow_offset_set_p): New.
        * asan.h (asan_shadow_offset_set_p): Ditto.
        * toplev.c (process_options): Allow -fsanitize=kernel-address
        even TARGET_ASAN_SHADOW_OFFSET not implemented, only check when
        asan stack protection is enabled.

2020-07-22  Peter Bergner  <bergner@linux.ibm.com>

        PR target/96236
        * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin): Handle
        little-endian memory ordering.

2020-07-22  Nathan Sidwell  <nathan@acm.org>

        * dumpfile.c (parse_dump_option): Deal with filenames
        containing '-'

2020-07-22  Nathan Sidwell  <nathan@acm.org>

        * incpath.c (add_path): Avoid multiple strlen calls.

2020-07-22  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * expmed.c (expand_sdiv_pow2): Check return value from emit_store_flag
        is not NULL_RTX before use.

2020-07-22  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * expr.c (convert_modes): Allow a constant integer to be converted to
        any scalar int mode.

2020-07-22  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>

        * config/aarch64/aarch64-ldpstp.md: Add two peepholes for adjusted vector
        V2SI, V2SF, V2DI, V2DF load pair and store pair modes.
        * config/aarch64/aarch64-protos.h (aarch64_gen_adjusted_ldpstp):
        Change mode parameter to machine_mode.
        (aarch64_operands_adjust_ok_for_ldpstp): Change mode parameter to
        machine_mode.
        * config/aarch64/aarch64.c (aarch64_operands_adjust_ok_for_ldpstp):
        Change mode parameter to machine_mode.
        (aarch64_gen_adjusted_ldpstp): Change mode parameter to machine_mode.
        * config/aarch64/iterators.md (VP_2E): New iterator for 2 element vectors.

2020-07-22  Wei Wentao  <weiwt.fnst@cn.fujitsu.com>

        * doc/languages.texi: Fix “then”/“than” typo.

2020-07-21  Sunil K Pandey  <skpgkp2@gmail.com>

        PR target/95237
        * config/i386/i386-protos.h (ix86_local_alignment): Add
        another function parameter may_lower alignment. Default is
        false.
        * config/i386/i386.c (ix86_lower_local_decl_alignment): New
        function.
        (ix86_local_alignment): Amend ix86_local_alignment to accept
        another parameter may_lower. If may_lower is true, new align
        may be lower than incoming alignment. If may_lower is false,
        new align will be greater or equal to incoming alignment.
        (TARGET_LOWER_LOCAL_DECL_ALIGNMENT): Define.
        * doc/tm.texi: Regenerate.
        * doc/tm.texi.in (TARGET_LOWER_LOCAL_DECL_ALIGNMENT): New
        hook.
        * target.def (lower_local_decl_alignment): New hook.

2020-07-21  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95750
        * config/i386/sync.md (mfence_sse2): Enable for
        TARGET_64BIT and TARGET_SSE2.
        (mfence_nosse): Always enable.

2020-07-21  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430-protos.h (msp430_do_not_relax_short_jumps):
        Remove.
        * config/msp430/msp430.c (msp430_do_not_relax_short_jumps): Likewise.
        * config/msp430/msp430.md (cbranchhi4_real): Remove special case for
        msp430_do_not_relax_short_jumps.

2020-07-21  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430.md: New "extendqipsi2" define_insn.

2020-07-21  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430.h (NO_FUNCTION_CSE): Set to true at -O2 and
        above.

2020-07-21  Xionghu Luo  <luoxhu@linux.ibm.com>

        PR rtl-optimization/89310
        * config/rs6000/rs6000.md (movsf_from_si2): New define_insn_and_split.

2020-07-20  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c (mmix_expand_prologue): Calculate the total
        allocated size and set current_function_static_stack_size, if
        flag_stack_usage_info.

2020-07-20  Sergei Trofimovich  <siarheit@google.com>

        PR target/96190
        * config/sparc/linux.h (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
        to get crtendS.o for !no-pie mode.
        * config/sparc/linux64.h (ENDFILE_SPEC): Ditto.

2020-07-20  Yang Yang  <yangyang305@huawei.com>

        * tree-vect-stmts.c (vectorizable_simd_clone_call): Add
        VIEW_CONVERT_EXPRs if the arguments types and return type
        of simd clone function are distinct with the vectype of stmt.

2020-07-20  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95750
        * config/i386/i386.h (TARGET_AVOID_MFENCE):
        Rename from TARGET_USE_XCHG_FOR_ATOMIC_STORE.
        * config/i386/sync.md (mfence_sse2): Disable for TARGET_AVOID_MFENCE.
        (mfence_nosse): Enable also for TARGET_AVOID_MFENCE. Emit stack
        referred memory in word_mode.
        (mem_thread_fence): Do not generate mfence_sse2 pattern when
        TARGET_AVOID_MFENCE is true.
        (atomic_store<mode>): Update for rename.
        * config/i386/x86-tune.def (X86_TUNE_AVOID_MFENCE):
        Rename from X86_TUNE_USE_XCHG_FOR_ATOMIC_STORE.

2020-07-20  Martin Sebor  <msebor@redhat.com>

        PR middle-end/95189
        PR middle-end/95886
        * builtins.c (inline_expand_builtin_string_cmp): Rename...
        (inline_expand_builtin_bytecmp): ...to this.
        (builtin_memcpy_read_str): Don't expect data to be nul-terminated.
        (expand_builtin_memory_copy_args): Handle object representations
        with embedded nul bytes.
        (expand_builtin_memcmp): Same.
        (expand_builtin_strcmp): Adjust call to naming change.
        (expand_builtin_strncmp): Same.
        * expr.c (string_constant): Create empty strings with nonzero size.
        * fold-const.c (c_getstr): Rename locals and update comments.
        * tree.c (build_string): Accept null pointer argument.
        (build_string_literal): Same.
        * tree.h (build_string): Provide a default.
        (build_string_literal): Same.

2020-07-20  Richard Biener  <rguenther@suse.de>

        * cfganal.c (rev_post_order_and_mark_dfs_back_seme): Remove
        write-only post array.

2020-07-20  Jakub Jelinek  <jakub@redhat.com>

        PR libstdc++/93121
        * gimple-fold.c (fold_const_aggregate_ref_1): For COMPONENT_REF
        of a bitfield not aligned on byte boundaries try to
        fold_ctor_reference DECL_BIT_FIELD_REPRESENTATIVE if any and
        adjust it depending on endianity.

2020-07-20  Jakub Jelinek  <jakub@redhat.com>

        PR libstdc++/93121
        * fold-const.c (native_encode_initializer): Handle bit-fields.

2020-07-20  Kewen Lin  <linkw@linux.ibm.com>

        * config/rs6000/rs6000.c (rs6000_option_override_internal):
        Set param_vect_partial_vector_usage to 0 explicitly.
        * doc/invoke.texi (vect-partial-vector-usage): Document new option.
        * optabs-query.c (get_len_load_store_mode): New function.
        * optabs-query.h (get_len_load_store_mode): New declare.
        * params.opt (vect-partial-vector-usage): New.
        * tree-vect-loop-manip.c (vect_set_loop_controls_directly): Add the
        handlings for vectorization using length-based partial vectors, call
        vect_gen_len for length generation, and rename some variables with
        items instead of scalars.
        (vect_set_loop_condition_partial_vectors): Add the handlings for
        vectorization using length-based partial vectors.
        (vect_do_peeling): Allow remaining eiters less than epilogue vf for
        LOOP_VINFO_USING_PARTIAL_VECTORS_P.
        * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Init
        epil_using_partial_vectors_p.
        (_loop_vec_info::~_loop_vec_info): Call release_vec_loop_controls
        for lengths destruction.
        (vect_verify_loop_lens): New function.
        (vect_analyze_loop): Add handlings for epilogue of loop when it's
        marked to use vectorization using partial vectors.
        (vect_analyze_loop_2): Add the check to allow only one vectorization
        approach using partial vectorization at the same time.  Check param
        vect-partial-vector-usage for partial vectors decision.  Mark
        LOOP_VINFO_EPIL_USING_PARTIAL_VECTORS_P if the epilogue is
        considerable to use partial vectors.  Call release_vec_loop_controls
        for lengths destruction.
        (vect_estimate_min_profitable_iters): Adjust for loop vectorization
        using length-based partial vectors.
        (vect_record_loop_mask): Init factor to 1 for vectorization using
        mask-based partial vectors.
        (vect_record_loop_len): New function.
        (vect_get_loop_len): Likewise.
        * tree-vect-stmts.c (check_load_store_for_partial_vectors): Add
        checks for vectorization using length-based partial vectors.  Factor
        some code to lambda function get_valid_nvectors.
        (vectorizable_store): Add handlings when using length-based partial
        vectors.
        (vectorizable_load): Likewise.
        (vect_gen_len): New function.
        * tree-vectorizer.h (struct rgroup_controls): Add field factor
        mainly for length-based partial vectors.
        (vec_loop_lens): New typedef.
        (_loop_vec_info): Add lens and epil_using_partial_vectors_p.
        (LOOP_VINFO_EPIL_USING_PARTIAL_VECTORS_P): New macro.
        (LOOP_VINFO_LENS): Likewise.
        (LOOP_VINFO_FULLY_WITH_LENGTH_P): Likewise.
        (vect_record_loop_len): New declare.
        (vect_get_loop_len): Likewise.
        (vect_gen_len): Likewise.

2020-07-20  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c (mmix_option_override): Reinstate default
        integer-emitting targetm.asm_out pseudos when dumping detailed
        assembly-code.
        (mmix_assemble_integer): Update comment.

2020-07-19  H.J. Lu  <hjl.tools@gmail.com>

        PR target/95973
        PR target/96238
        * config/i386/cpuid.h: Add include guard.
        (__cpuidex): New.

2020-07-18  H.J. Lu  <hjl.tools@gmail.com>

        PR target/95620
        * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.

2020-07-18  Peter Bergner  <bergner@linux.ibm.com>

        PR target/92488
        * config/rs6000/dfp.md (trunctdsd2): New define_insn.
        * config/rs6000/rs6000.md (define_attr "isa"): Add p9.
        (define_attr "enabled"): Handle p9.

2020-07-17  Roger Sayle  <roger@nextmovesoftware.com>

        * function.c (assign_parm_setup_block): Use the macro
        TRULY_NOOP_TRUNCATION_MODES_P instead of calling
        targetm.truly_noop_truncation directly.

2020-07-17  H.J. Lu  <hjl.tools@gmail.com>

        PR target/96186
        PR target/88713
        * config/i386/sse.md (VF_AVX512VL_VF1_128_256): Renamed to ...
        (VF1_AVX512ER_128_256): This.  Drop DF vector modes.
        (rsqrt<mode>2): Replace VF_AVX512VL_VF1_128_256 with
        VF1_AVX512ER_128_256.

2020-07-17  Tamar Christina  <tamar.christina@arm.com>

        * doc/sourcebuild.texi (dg-set-compiler-env-var,
        dg-set-target-env-var): Document.

2020-07-17  Tamar Christina  <tamar.christina@arm.com>

        * config/arm/driver-arm.c (host_detect_local_cpu): Add GCC_CPUINFO.

2020-07-17  Tamar Christina  <tamar.christina@arm.com>

        * config/aarch64/driver-aarch64.c (host_detect_local_cpu):
        Add GCC_CPUINFO.

2020-07-17  Tamar Christina  <tamar.christina@arm.com>

        * config/aarch64/driver-aarch64.c (INCLUDE_SET): New.
        (parse_field): Use std::string.
        (split_words, readline, find_field): New.
        (host_detect_local_cpu): Fix truncation issues.

2020-07-17  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/mkoffload.c (EM_AMDGPU): Undefine before defining.
        (ELFOSABI_AMDGPU_HSA): Likewise.
        (ELFABIVERSION_AMDGPU_HSA): Likewise.
        (EF_AMDGPU_MACH_AMDGCN_GFX803): Likewise.
        (EF_AMDGPU_MACH_AMDGCN_GFX900): Likewise.
        (EF_AMDGPU_MACH_AMDGCN_GFX906): Likewise.
        (reserved): Delete.

2020-07-17  Andrew Pinski  <apinksi@marvell.com>
            Dmitrij Pochepko  <dmitrij.pochepko@bell-sw.com>

        PR target/93720
        * config/aarch64/aarch64.c (aarch64_evpc_ins): New function.
        (aarch64_expand_vec_perm_const_1): Call it.
        * config/aarch64/aarch64-simd.md (aarch64_simd_vec_copy_lane): Make
        public, and add a "@" prefix.

2020-07-17  Andrew Pinski  <apinksi@marvell.com>
            Dmitrij Pochepko  <dmitrij.pochepko@bell-sw.com>

        PR target/82199
        * config/aarch64/aarch64.c (aarch64_evpc_reencode): New function.
        (aarch64_expand_vec_perm_const_1): Call it.

2020-07-17  Zhiheng Xie  <xiezhiheng@huawei.com>

        * config/aarch64/aarch64-builtins.c (enum aarch64_type_qualifiers):
        Add new field flags.
        (VAR1): Add new field FLAG in macro.
        (VAR2): Likewise.
        (VAR3): Likewise.
        (VAR4): Likewise.
        (VAR5): Likewise.
        (VAR6): Likewise.
        (VAR7): Likewise.
        (VAR8): Likewise.
        (VAR9): Likewise.
        (VAR10): Likewise.
        (VAR11): Likewise.
        (VAR12): Likewise.
        (VAR13): Likewise.
        (VAR14): Likewise.
        (VAR15): Likewise.
        (VAR16): Likewise.
        (aarch64_general_fold_builtin): Likewise.
        (aarch64_general_gimple_fold_builtin): Likewise.
        * config/aarch64/aarch64-simd-builtins.def: Add default flag for
        each built-in function.
        * config/aarch64/geniterators.sh: Add new field in BUILTIN macro.

2020-07-17  Andreas Krebbel  <krebbel@linux.ibm.com>

        PR target/96127
        * config/s390/s390.c (s390_expand_insv): Invoke the movstrict
        expanders to generate the pattern.
        * config/s390/s390.md ("*movstricthi", "*movstrictqi"): Remove the
        '*' to have callable expanders.

2020-07-16  Hans-Peter Nilsson  <hp@axis.com>
            Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/93372
        * combine.c (is_just_move): Take an rtx_insn* as argument.  Use
        single_set on it.

2020-07-16  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/96189
        * config/i386/sync.md
        (peephole2 to remove unneded compare after CMPXCHG):
        New pattern, also handle XOR zeroing and load of -1 by OR.

2020-07-16  Eric Botcazou  <ebotcazou@adacore.com>

        * config/i386/i386.c (ix86_compute_frame_layout): Minor tweak.
        (ix86_adjust_stack_and_probe): Delete.
        (ix86_adjust_stack_and_probe_stack_clash): Rename to above and add
        PROTECTION_AREA parameter.  If it is true, probe PROBE_INTERVAL plus
        a small dope beyond SIZE bytes.
        (ix86_emit_probe_stack_range): Use local variable.
        (ix86_expand_prologue): Adjust calls to ix86_adjust_stack_and_probe
        and tidy up the stack checking code.
        * explow.c (get_stack_check_protect): Fix head comment.
        (anti_adjust_stack_and_probe_stack_clash): Likewise.
        (allocate_dynamic_stack_space): Add comment.
        * tree-nested.c (lookup_field_for_decl): Set the DECL_IGNORED_P and
        TREE_NO_WARNING but not TREE_ADDRESSABLE flags on the field.

2020-07-16  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/mkoffload.c: Include simple-object.h and elf.h.
        (EM_AMDGPU): New macro.
        (ELFOSABI_AMDGPU_HSA): New macro.
        (ELFABIVERSION_AMDGPU_HSA): New macro.
        (EF_AMDGPU_MACH_AMDGCN_GFX803): New macro.
        (EF_AMDGPU_MACH_AMDGCN_GFX900): New macro.
        (EF_AMDGPU_MACH_AMDGCN_GFX906): New macro.
        (R_AMDGPU_NONE): New macro.
        (R_AMDGPU_ABS32_LO): New macro.
        (R_AMDGPU_ABS32_HI): New macro.
        (R_AMDGPU_ABS64): New macro.
        (R_AMDGPU_REL32): New macro.
        (R_AMDGPU_REL64): New macro.
        (R_AMDGPU_ABS32): New macro.
        (R_AMDGPU_GOTPCREL): New macro.
        (R_AMDGPU_GOTPCREL32_LO): New macro.
        (R_AMDGPU_GOTPCREL32_HI): New macro.
        (R_AMDGPU_REL32_LO): New macro.
        (R_AMDGPU_REL32_HI): New macro.
        (reserved): New macro.
        (R_AMDGPU_RELATIVE64): New macro.
        (gcn_s1_name): Delete global variable.
        (gcn_s2_name): Delete global variable.
        (gcn_o_name): Delete global variable.
        (gcn_cfile_name): Delete global variable.
        (files_to_cleanup): New global variable.
        (offload_abi): New global variable.
        (tool_cleanup): Use files_to_cleanup, not explicit list.
        (copy_early_debug_info): New function.
        (main): New local variables gcn_s1_name, gcn_s2_name, gcn_o_name,
        gcn_cfile_name.
        Create files_to_cleanup obstack.
        Recognize -march options.
        Copy early debug info from input .o files.

2020-07-16  Andrea Corallo  <andrea.corallo@arm.com>

        * Makefile.in (TAGS): Remove 'params.def'.

2020-07-16  Roger Sayle  <roger@nextmovesoftware.com>

        * target.def (TARGET_TRULY_NOOP_TRUNCATION): Clarify that
        targets that return false, indicating SUBREGs shouldn't be
        used, also need to provide a trunc?i?i2 optab that performs this
        truncation.
        * doc/tm.texi: Regenerate.

2020-07-15  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/96189
        * config/i386/sync.md
        (peephole2 to remove unneded compare after CMPXCHG): New pattern.

2020-07-15  Jakub Jelinek  <jakub@redhat.com>

        PR libgomp/96198
        * omp-general.h (struct omp_for_data): Rename min_inner_iterations
        member to first_inner_iterations, adjust comment.
        * omp-general.c (omp_extract_for_data): Adjust for the above change.
        Always use n1first and n2first to compute it, rather than depending
        on single_nonrect_cond_code.  Similarly, always compute factor
        as (m2 - m1) * outer_step / inner_step rather than sometimes m1 - m2
        depending on single_nonrect_cond_code.
        * omp-expand.c (expand_omp_for_init_vars): Rename min_inner_iterations
        to first_inner_iterations and min_inner_iterationsd to
        first_inner_iterationsd.

2020-07-15  Jakub Jelinek  <jakub@redhat.com>

        PR target/96174
        * config/i386/avx512fintrin.h (_mm512_cmpeq_pd_mask,
        _mm512_mask_cmpeq_pd_mask, _mm512_cmplt_pd_mask,
        _mm512_mask_cmplt_pd_mask, _mm512_cmple_pd_mask,
        _mm512_mask_cmple_pd_mask, _mm512_cmpunord_pd_mask,
        _mm512_mask_cmpunord_pd_mask, _mm512_cmpneq_pd_mask,
        _mm512_mask_cmpneq_pd_mask, _mm512_cmpnlt_pd_mask,
        _mm512_mask_cmpnlt_pd_mask, _mm512_cmpnle_pd_mask,
        _mm512_mask_cmpnle_pd_mask, _mm512_cmpord_pd_mask,
        _mm512_mask_cmpord_pd_mask, _mm512_cmpeq_ps_mask,
        _mm512_mask_cmpeq_ps_mask, _mm512_cmplt_ps_mask,
        _mm512_mask_cmplt_ps_mask, _mm512_cmple_ps_mask,
        _mm512_mask_cmple_ps_mask, _mm512_cmpunord_ps_mask,
        _mm512_mask_cmpunord_ps_mask, _mm512_cmpneq_ps_mask,
        _mm512_mask_cmpneq_ps_mask, _mm512_cmpnlt_ps_mask,
        _mm512_mask_cmpnlt_ps_mask, _mm512_cmpnle_ps_mask,
        _mm512_mask_cmpnle_ps_mask, _mm512_cmpord_ps_mask,
        _mm512_mask_cmpord_ps_mask): Move outside of __OPTIMIZE__ guarded
        section.

2020-07-15  Jakub Jelinek  <jakub@redhat.com>

        PR target/96176
        * builtins.c: Include gimple-ssa.h, tree-ssa-live.h and
        tree-outof-ssa.h.
        (expand_expr_force_mode): If exp is a SSA_NAME with different mode
        from MODE and get_gimple_for_ssa_name is a cast from MODE, use the
        cast's rhs.

2020-07-15  Jiufu Guo   <guojiufu@cn.ibm.com>

        * config/rs6000/rs6000.c (rs6000_loop_unroll_adjust): Refine hook.

2020-07-14  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/rs6000.md (rotldi3_insert_sf): Add TARGET_POWERPC64
        condition.
        * config/rs6000/rs6000.c (rs6000_expand_vector_init): Add
        TARGET_POWERPC64 requirement to TARGET_P8_VECTOR case.

2020-07-14  Lewis Hyatt  <lhyatt@gmail.com>

        PR preprocessor/49973
        PR other/86904
        * common.opt: Handle -ftabstop here instead of in c-family
        options.  Add -fdiagnostics-column-unit= and
        -fdiagnostics-column-origin= options.
        * opts.c (common_handle_option): Handle the new options.
        * diagnostic-format-json.cc (json_from_expanded_location): Add
        diagnostic_context argument.  Use it to convert column numbers as per
        the new options.
        (json_from_location_range): Likewise.
        (json_from_fixit_hint): Likewise.
        (json_end_diagnostic): Pass the new context argument to helper
        functions above.  Add "column-origin" field to the output.
        (test_unknown_location): Add the new context argument to calls to
        helper functions.
        (test_bad_endpoints): Likewise.
        * diagnostic-show-locus.c
        (exploc_with_display_col::exploc_with_display_col): Support
        tabstop parameter.
        (layout_point::layout_point): Make use of class
        exploc_with_display_col.
        (layout_range::layout_range): Likewise.
        (struct line_bounds): Clarify that the units are now always
        display columns.  Rename members accordingly.  Add constructor.
        (layout::print_source_line): Add support for tab expansion.
        (make_range): Adapt to class layout_range changes.
        (layout::maybe_add_location_range): Likewise.
        (layout::layout): Adapt to class exploc_with_display_col changes.
        (layout::calculate_x_offset_display): Support tabstop parameter.
        (layout::print_annotation_line): Adapt to struct line_bounds changes.
        (layout::print_line): Likewise.
        (line_label::line_label): Add diagnostic_context argument.
        (get_affected_range): Likewise.
        (get_printed_columns): Likewise.
        (layout::print_any_labels): Adapt to struct line_label changes.
        (class correction): Add m_tabstop member.
        (correction::correction): Add tabstop argument.
        (correction::compute_display_cols): Use m_tabstop.
        (class line_corrections): Add m_context member.
        (line_corrections::line_corrections): Add diagnostic_context argument.
        (line_corrections::add_hint): Use m_context to handle tabstops.
        (layout::print_trailing_fixits): Adapt to class line_corrections
        changes.
        (test_layout_x_offset_display_utf8): Support tabstop parameter.
        (test_layout_x_offset_display_tab): New selftest.
        (test_one_liner_colorized_utf8): Likewise.
        (test_tab_expansion): Likewise.
        (test_diagnostic_show_locus_one_liner_utf8): Call the new tests.
        (diagnostic_show_locus_c_tests): Likewise.
        (test_overlapped_fixit_printing): Adapt to helper class and
        function changes.
        (test_overlapped_fixit_printing_utf8): Likewise.
        (test_overlapped_fixit_printing_2): Likewise.
        * diagnostic.h (enum diagnostics_column_unit): New enum.
        (struct diagnostic_context): Add members for the new options.
        (diagnostic_converted_column): Declare.
        (json_from_expanded_location): Add new context argument.
        * diagnostic.c (diagnostic_initialize): Initialize new members.
        (diagnostic_converted_column): New function.
        (maybe_line_and_column): Be willing to output a column of 0.
        (diagnostic_get_location_text): Convert column number as per the new
        options.
        (diagnostic_report_current_module): Likewise.
        (assert_location_text): Add origin and column_unit arguments for
        testing the new functionality.
        (test_diagnostic_get_location_text): Test the new functionality.
        * doc/invoke.texi: Document the new options and behavior.
        * input.h (location_compute_display_column): Add tabstop argument.
        * input.c (location_compute_display_column): Likewise.
        (test_cpp_utf8): Add selftests for tab expansion.
        * tree-diagnostic-path.cc (default_tree_make_json_for_path): Pass the
        new context argument to json_from_expanded_location().

2020-07-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/96194
        * expr.c (expand_constructor): Don't create temporary for store to
        volatile MEM if exp has an addressable type.

2020-07-14  Nathan Sidwell  <nathan@acm.org>

        * hash-map.h (hash_map::get): Note it is a pointer to value.
        * incpath.h (incpath_kind): Align comments.

2020-07-14  Nathan Sidwell  <nathan@acm.org>

        * tree-core.h (tree_decl_with_vis, tree_function_decl):
        Note additional padding on 64-bits
        * tree.c (cache_integer_cst): Note why no caching of enum literals.
        (get_tree_code_name): Robustify error case.

2020-07-14  Nathan Sidwell  <nathan@acm.org>

        * doc/gty.texi: Fic gt_cleare_cache name.
        * doc/invoke.texi: Remove duplicate opindex Wabi-tag.

2020-07-14  Jakub Jelinek  <jakub@redhat.com>

        * omp-general.h (struct omp_for_data): Add adjn1 member.
        * omp-general.c (omp_extract_for_data): For non-rect loop, punt on
        count computing if n1, n2 or step are not INTEGER_CST earlier.
        Narrow the outer iterator range if needed so that non-rect loop
        has at least one iteration for each outer range iteration.  Compute
        adjn1.
        * omp-expand.c (expand_omp_for_init_vars): Use adjn1 if non-NULL
        instead of the outer loop's n1.

2020-07-14  Matthias Klose  <doko@ubuntu.com>

        PR lto/95604
        * lto-wrapper.c (merge_and_complain): Add decoded options as parameter,
        error on different values for -fcf-protection.
        (append_compiler_options): Pass -fcf-protection option.
        (find_and_merge_options): Add decoded options as parameter,
        pass decoded_options to merge_and_complain.
        (run_gcc): Pass decoded options to find_and_merge_options.
        * lto-opts.c (lto_write_options): Pass -fcf-protection option.

2020-07-13  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.md (sibcall_local): Merge sibcall_local32
        and sibcall_local64.
        (sibcall_value_local): Similarly.

2020-07-13  Nathan Sidwell  <nathan@acm.org>

        * Makefile.in (distclean): Remove long gone cxxmain.c

2020-07-13  H.J. Lu  <hjl.tools@gmail.com>

        PR target/95443
        * config/i386/i386.md (cmpstrnsi): Pass a copy of the string
        length to cmpstrnqi patterns.

2020-07-13  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/96130
        * ipa-fnsummary.c (analyze_function_body): Treat NULL bb->aux
        as false predicate.

2020-07-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96163
        * tree-vect-slp.c (vect_schedule_slp_instance): Put new stmts
        at least after region begin.

2020-07-13  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Add
        __ARM_FEATURE_PAC_DEFAULT support.

2020-07-13  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        PR target/94891
        * doc/extend.texi: Update the text for  __builtin_return_address.

2020-07-13  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        PR target/94891
        * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
        Disable return address signing if __builtin_eh_return is used.

2020-07-13  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        PR target/94891
        PR target/94791
        * config/aarch64/aarch64-protos.h (aarch64_return_addr_rtx): Declare.
        * config/aarch64/aarch64.c (aarch64_return_addr_rtx): New.
        (aarch64_return_addr): Use aarch64_return_addr_rtx.
        * config/aarch64/aarch64.h (PROFILE_HOOK): Likewise.

2020-07-13  Richard Sandiford  <richard.sandiford@arm.com>

        PR middle-end/95114
        * tree.h (virtual_method_call_p): Add a default-false parameter
        that indicates whether the function is being called from dump
        routines.
        (obj_type_ref_class): Likewise.
        * tree.c (virtual_method_call_p): Likewise.
        * ipa-devirt.c (obj_type_ref_class): Likewise.  Lazily add ODR
        type information for the type when the parameter is false.
        * tree-pretty-print.c (dump_generic_node): Update calls to
        virtual_method_call_p and obj_type_ref_class accordingly.

2020-07-13  Julian Brown  <julian@codesourcery.com>
            Thomas Schwinge  <thomas@codesourcery.com>

        * gimplify.c (gimplify_scan_omp_clauses): Do not strip
        GOMP_MAP_TO_PSET/GOMP_MAP_POINTER for OpenACC enter/exit data
        directives (see also PR92929).

2020-07-13  Roger Sayle  <roger@nextmovesoftware.com>

        * convert.c (convert_to_integer_1): Narrow integer operations
        even on targets that require explicit truncation instructions.

2020-07-13  Hans-Peter Nilsson  <hp@axis.com>

        PR target/93372
        * config/cris/cris-passes.def: New file.
        * config/cris/t-cris (PASSES_EXTRA): Add cris-passes.def.
        * config/cris/cris.c: Add infrastructure bits and pass execute
        function cris_postdbr_cmpelim.
        * config/cris/cris-protos.h (make_pass_cris_postdbr_cmpelim): Declare.

2020-07-13  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/t-cris: Remove gt-cris.h-related excessive cargo.

2020-07-13  Hans-Peter Nilsson  <hp@axis.com>

        PR target/93372
        * config/cris/cris.md ("*add<mode>3_addi"): New splitter.
        ("*addi_b_<mode>"): New pattern.
        ("*addsi3<setnz>"): Remove stale %-related comment.

2020-07-13  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md ("setnz_subst", "setnz_subst", "setcc_subst"):
        Use match_dup in output template, not match_operand.

2020-07-13  Richard Biener  <rguenther@suse.de>

        * var-tracking.c (bb_heap_node_t): Remove unused typedef.
        (vt_find_locations): Eliminate visited bitmap in favor of
        RPO order check.  Dump statistics about the number of
        local BB dataflow computes.

2020-07-13  Richard Biener  <rguenther@suse.de>

        PR middle-end/94600
        * expr.c (expand_constructor): Make a temporary also if we're
        storing to volatile memory.

2020-07-13  Xionghu Luo  <luoxhu@linux.ibm.com>

        * config/rs6000/rs6000.md (rotl_unspec): New
        define_insn_and_split.

2020-07-13  Xionghu Luo  <luoxhu@linux.ibm.com>

        * config/rs6000/rs6000.c (rs6000_expand_vector_init):
        Move V4SF to V4SI, init vector like V4SI and move to V4SF back.

2020-07-11  Roger Sayle  <roger@nextmovesoftware.com>

        * internal-fn.c (expand_mul_overflow): When checking for signed
        overflow from a widening multiplication, we access the truncated
        lowpart RES twice, so keep this value in a pseudo register.

2020-07-11  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/96146
        * value-range.cc (value_range::set): Only decompose POLY_INT_CST
        bounds to integers for VR_RANGE.  Decay to VR_VARYING for anti-ranges
        involving POLY_INT_CSTs.

2020-07-10  David Edelsohn  <dje.gcc@gmail.com>

        PR target/77373
        * config/rs6000/rs6000.c (rs6000_xcoff_select_section): Only
        create named section for VAR_DECL or FUNCTION_DECL.

2020-07-10  Joseph Myers  <joseph@codesourcery.com>

        * glimits.h [__STDC_VERSION__ > 201710L] (BOOL_MAX, BOOL_WIDTH):
        New macros.

2020-07-10  Alexander Popov  <alex.popov@linux.com>

        * shrink-wrap.c (try_shrink_wrapping): Improve debug output.

2020-07-10  Richard Sandiford  <richard.sandiford@arm.com>

        PR middle-end/96151
        * expr.c (expand_expr_real_2): When reducing bit fields,
        clear the target if it has a different mode from the expression.
        (reduce_to_bit_field_precision): Don't do that here.  Instead
        assert that the target already has the correct mode.

2020-07-10  Richard Sandiford  <richard.sandiford@arm.com>

        PR target/92789
        PR target/95726
        * config/arm/arm.c (arm_attribute_table): Add
        "Advanced SIMD type".
        (arm_comp_type_attributes): Check that the "Advanced SIMD type"
        attributes are equal.
        * config/arm/arm-builtins.c: Include stringpool.h and
        attribs.h.
        (arm_mangle_builtin_vector_type): Use the mangling recorded
        in the "Advanced SIMD type" attribute.
        (arm_init_simd_builtin_types): Add an "Advanced SIMD type"
        attribute to each Advanced SIMD type, using the mangled type
        as the attribute's single argument.

2020-07-10  Carl Love  <cel@us.ibm.com>

        * config/rs6000/vsx.md  (VSX_MM): New define_mode_iterator.
        (VSX_MM4): New define_mode_iterator.
        (vec_mtvsrbmi): New define_insn.
        (vec_mtvsr_<mode>): New define_insn.
        (vec_cntmb_<mode>): New define_insn.
        (vec_extract_<mode>): New define_insn.
        (vec_expand_<mode>): New define_insn.
        (define_c_enum unspec): Add entries UNSPEC_MTVSBM, UNSPEC_VCNTMB,
        UNSPEC_VEXTRACT, UNSPEC_VEXPAND.
        * config/rs6000/altivec.h ( vec_genbm, vec_genhm, vec_genwm,
        vec_gendm, vec_genqm, vec_cntm, vec_expandm, vec_extractm): Add
        defines.
        * config/rs6000/rs6000-builtin.def: Add defines BU_P10_2, BU_P10_1.
        (BU_P10_1): Add definitions for mtvsrbm, mtvsrhm, mtvsrwm,
        mtvsrdm, mtvsrqm, vexpandmb, vexpandmh, vexpandmw, vexpandmd,
        vexpandmq, vextractmb, vextractmh, vextractmw, vextractmd, vextractmq.
        (BU_P10_2): Add definitions for cntmbb, cntmbh, cntmbw, cntmbd.
        (BU_P10_OVERLOAD_1): Add definitions for mtvsrbm, mtvsrhm,
        mtvsrwm, mtvsrdm, mtvsrqm, vexpandm, vextractm.
        (BU_P10_OVERLOAD_2): Add defition for cntm.
        * config/rs6000/rs6000-call.c (rs6000_expand_binop_builtin): Add
        checks for CODE_FOR_vec_cntmbb_v16qi, CODE_FOR_vec_cntmb_v8hi,
        CODE_FOR_vec_cntmb_v4si, CODE_FOR_vec_cntmb_v2di.
        (altivec_overloaded_builtins): Add overloaded argument entries for
        P10_BUILTIN_VEC_MTVSRBM, P10_BUILTIN_VEC_MTVSRHM,
        P10_BUILTIN_VEC_MTVSRWM, P10_BUILTIN_VEC_MTVSRDM,
        P10_BUILTIN_VEC_MTVSRQM, P10_BUILTIN_VEC_VCNTMBB,
        P10_BUILTIN_VCNTMBB, P10_BUILTIN_VCNTMBH,
        P10_BUILTIN_VCNTMBW, P10_BUILTIN_VCNTMBD,
        P10_BUILTIN_VEXPANDMB, P10_BUILTIN_VEXPANDMH,
        P10_BUILTIN_VEXPANDMW, P10_BUILTIN_VEXPANDMD,
        P10_BUILTIN_VEXPANDMQ, P10_BUILTIN_VEXTRACTMB,
        P10_BUILTIN_VEXTRACTMH, P10_BUILTIN_VEXTRACTMW,
        P10_BUILTIN_VEXTRACTMD, P10_BUILTIN_VEXTRACTMQ.
        (builtin_function_type): Add case entries for P10_BUILTIN_MTVSRBM,
        P10_BUILTIN_MTVSRHM, P10_BUILTIN_MTVSRWM, P10_BUILTIN_MTVSRDM,
        P10_BUILTIN_MTVSRQM, P10_BUILTIN_VCNTMBB, P10_BUILTIN_VCNTMBH,
        P10_BUILTIN_VCNTMBW, P10_BUILTIN_VCNTMBD,
        P10_BUILTIN_VEXPANDMB, P10_BUILTIN_VEXPANDMH,
        P10_BUILTIN_VEXPANDMW, P10_BUILTIN_VEXPANDMD,
        P10_BUILTIN_VEXPANDMQ.
        * config/rs6000/rs6000-builtin.def (altivec_overloaded_builtins): Add
        entries for MTVSRBM, MTVSRHM, MTVSRWM, MTVSRDM, MTVSRQM, VCNTM,
        VEXPANDM, VEXTRACTM.

2020-07-10  Bill Seurer, 507-253-3502, seurer@us.ibm.com  <(no_default)>

        PR target/95581
        * config/rs6000/rs6000-call.c: Add new type v16qi_ftype_pcvoid.
        (altivec_init_builtins) Change __builtin_altivec_mask_for_load to use
        v16qi_ftype_pcvoid with correct number of parameters.

2020-07-10  H.J. Lu  <hjl.tools@gmail.com>

        PR target/96144
        * config/i386/i386-expand.c (ix86_emit_swsqrtsf): Check
        TARGET_AVX512VL when enabling FMA.

2020-07-10  Andrea Corallo  <andrea.corallo@arm.com>
            Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
            Iain Apreotesei  <iain.apreotesei@arm.com>

        * config/arm/arm-protos.h (arm_target_insn_ok_for_lob): New
        prototype.
        * config/arm/arm.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
        (arm_invalid_within_doloop): Implement invalid_within_doloop hook.
        (arm_target_insn_ok_for_lob): New function.
        * config/arm/arm.h (TARGET_HAVE_LOB): Define macro.
        * config/arm/thumb2.md (*doloop_end_internal, doloop_begin)
        (dls_insn): Add new patterns.
        (doloop_end): Modify to select LR when LOB is available.
        * config/arm/unspecs.md: Add new unspec.
        * doc/sourcebuild.texi (arm_v8_1_lob_ok)
        (arm_thumb2_ok_no_arm_v8_1_lob): Document new target supports
        options.

2020-07-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96133
        * gimple-fold.c (fold_array_ctor_reference): Do not
        recurse to folding a CTOR that does not fully cover the
        asked for object.

2020-07-10  Cui,Lili  <lili.cui@intel.com>

        * common/config/i386/cpuinfo.h
        (get_intel_cpu): Handle sapphirerapids.
        * common/config/i386/i386-common.c
        (processor_names): Add sapphirerapids and alderlake.
        (processor_alias_table): Add sapphirerapids and alderlake.
        * common/config/i386/i386-cpuinfo.h
        (processor_subtypes): Add INTEL_COREI7_ALDERLAKE and
        INTEL_COREI7_ALDERLAKE.
        * config.gcc: Add -march=sapphirerapids and alderlake.
        * config/i386/driver-i386.c
        (host_detect_local_cpu) Handle sapphirerapids and alderlake.
        * config/i386/i386-c.c
        (ix86_target_macros_internal): Handle sapphirerapids and alderlake.
        * config/i386/i386-options.c
        (m_SAPPHIRERAPIDS) : Define.
        (m_ALDERLAKE): Ditto.
        (m_CORE_AVX512) : Add m_SAPPHIRERAPIDS.
        (processor_cost_table): Add sapphirerapids and alderlake.
        (ix86_option_override_internal) Handle PTA_WAITPKG, PTA_ENQCMD,
        PTA_CLDEMOTE, PTA_SERIALIZE, PTA_TSXLDTRK.
        * config/i386/i386.h
        (ix86_size_cost) : Define SAPPHIRERAPIDS and ALDERLAKE.
        (processor_type) : Add PROCESSOR_SAPPHIRERAPIDS and
        PROCESSOR_ALDERLAKE.
        (PTA_ENQCMD): New.
        (PTA_CLDEMOTE): Ditto.
        (PTA_SERIALIZE): Ditto.
        (PTA_TSXLDTRK): New.
        (PTA_SAPPHIRERAPIDS): Ditto.
        (PTA_ALDERLAKE): Ditto.
        (processor_type) : Add PROCESSOR_SAPPHIRERAPIDS and
        PROCESSOR_ALDERLAKE.
        * doc/extend.texi: Add sapphirerapids and alderlake.
        * doc/invoke.texi: Add sapphirerapids and alderlake.

2020-07-10  Martin Liska  <mliska@suse.cz>

        * dumpfile.c [profile-report]: Add new profile dump.
        * dumpfile.h (enum tree_dump_index): Ad TDI_profile_report.
        * passes.c (pass_manager::dump_profile_report): Change stderr
        to dump_file.

2020-07-10  Kewen Lin  <linkw@linux.ibm.com>

        * tree-vect-loop.c (vect_transform_loop): Use LOOP_VINFO_NITERS which
        is adjusted by considering peeled prologue for non
        vect_use_loop_mask_for_alignment_p cases.

2020-07-09  Peter Bergner  <bergner@linux.ibm.com>

        PR target/96125
        * config/rs6000/rs6000-call.c (rs6000_init_builtins): Define the MMA
        specific types __vector_quad and __vector_pair, and initialize the
        MMA built-ins if TARGET_EXTRA_BUILTINS is set.
        (mma_init_builtins): Don't test for mask set in rs6000_builtin_mask.
        Remove now unneeded mask variable.
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Add the
        OPTION_MASK_MMA flag for power10 if not already set.

2020-07-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96133
        * tree-vect-slp.c (vect_build_slp_tree_1): Compare load_p
        status between stmts.

2020-07-09  H.J. Lu  <hjl.tools@gmail.com>

        PR target/88713
        * config/i386/i386-expand.c (ix86_emit_swsqrtsf): Enable FMA.
        * config/i386/sse.md (VF_AVX512VL_VF1_128_256): New.
        (rsqrt<mode>2): Replace VF1_128_256 with VF_AVX512VL_VF1_128_256.
        (rsqrtv16sf2): Removed.

2020-07-09  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (vect_verify_datarefs_alignment): Remove.
        (vect_slp_analyze_and_verify_instance_alignment): Rename to ...
        (vect_slp_analyze_instance_alignment): ... this.
        * tree-vect-data-refs.c (verify_data_ref_alignment): Remove.
        (vect_verify_datarefs_alignment): Likewise.
        (vect_enhance_data_refs_alignment): Do not call
        vect_verify_datarefs_alignment.
        (vect_slp_analyze_node_alignment): Rename from
        vect_slp_analyze_and_verify_node_alignment and do not
        call verify_data_ref_alignment.
        (vect_slp_analyze_instance_alignment): Rename from
        vect_slp_analyze_and_verify_instance_alignment.
        * tree-vect-stmts.c (vectorizable_store): Dump when
        we vectorize an unaligned access.
        (vectorizable_load): Likewise.
        * tree-vect-loop.c (vect_analyze_loop_2): Do not call
        vect_verify_datarefs_alignment.
        * tree-vect-slp.c (vect_slp_analyze_bb_1): Adjust.

2020-07-09  Bin Cheng  <bin.cheng@linux.alibaba.com>

        PR tree-optimization/95804
        * tree-loop-distribution.c (break_alias_scc_partitions): Force
        negative post order to reduction partition.

2020-07-09  Jakub Jelinek  <jakub@redhat.com>

        * omp-general.h (struct omp_for_data): Add min_inner_iterations
        and factor members.
        * omp-general.c (omp_extract_for_data): Initialize them and remember
        them in OMP_CLAUSE_COLLAPSE_COUNT if needed and restore from there.
        * omp-expand.c (expand_omp_for_init_counts): Fix up computation of
        counts[fd->last_nonrect] if fd->loop.n2 is INTEGER_CST.
        (expand_omp_for_init_vars): For
        fd->first_nonrect + 1 == fd->last_nonrect loops with for now
        INTEGER_CST fd->loop.n2 find quadratic equation roots instead of
        using fallback method when possible.

2020-07-09  Omar Tahir  <omar.tahir@arm.com>

        * ira.c (move_unallocated_pseudos): Zero first_moveable_pseudo and
        last_moveable_pseudo before returning.

2020-07-09  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Add
        __ARM_FEATURE_BTI_DEFAULT support.

2020-07-09  Matthew Malcomson  <matthew.malcomson@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_indirect_call_asm):
        New declaration.
        * config/aarch64/aarch64.c (aarch64_regno_regclass): Handle new
        stub registers class.
        (aarch64_class_max_nregs): Likewise.
        (aarch64_register_move_cost): Likewise.
        (aarch64_sls_shared_thunks): Global array to store stub labels.
        (aarch64_sls_emit_function_stub): New.
        (aarch64_create_blr_label): New.
        (aarch64_sls_emit_blr_function_thunks): New.
        (aarch64_sls_emit_shared_blr_thunks): New.
        (aarch64_asm_file_end): New.
        (aarch64_indirect_call_asm): New.
        (TARGET_ASM_FILE_END): Use aarch64_asm_file_end.
        (TARGET_ASM_FUNCTION_EPILOGUE): Use
        aarch64_sls_emit_blr_function_thunks.
        * config/aarch64/aarch64.h (STB_REGNUM_P): New.
        (enum reg_class): Add STUB_REGS class.
        (machine_function): Introduce `call_via` array for
        function-local stub labels.
        * config/aarch64/aarch64.md (*call_insn, *call_value_insn): Use
        aarch64_indirect_call_asm to emit code when hardening BLR
        instructions.
        * config/aarch64/constraints.md (Ucr): New constraint
        representing registers for indirect calls.  Is GENERAL_REGS
        usually, and STUB_REGS when hardening BLR instruction against
        SLS.
        * config/aarch64/predicates.md (aarch64_general_reg): STUB_REGS class
        is also a general register.

2020-07-09  Matthew Malcomson  <matthew.malcomson@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_sls_barrier): New.
        * config/aarch64/aarch64.c (aarch64_output_casesi): Emit
        speculation barrier after BR instruction if needs be.
        (aarch64_trampoline_init): Handle ptr_mode value & adjust size
        of code copied.
        (aarch64_sls_barrier): New.
        (aarch64_asm_trampoline_template): Add needed barriers.
        * config/aarch64/aarch64.h (AARCH64_ISA_SB): New.
        (TARGET_SB): New.
        (TRAMPOLINE_SIZE): Account for barrier.
        * config/aarch64/aarch64.md (indirect_jump, *casesi_dispatch,
        simple_return, *do_return, *sibcall_insn, *sibcall_value_insn):
        Emit barrier if needs be, also account for possible barrier using
        "sls_length" attribute.
        (sls_length): New attribute.
        (length): Determine default using any non-default sls_length
        value.

2020-07-09  Matthew Malcomson  <matthew.malcomson@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_harden_sls_retbr_p):
        New.
        (aarch64_harden_sls_blr_p): New.
        * config/aarch64/aarch64.c (enum aarch64_sls_hardening_type):
        New.
        (aarch64_harden_sls_retbr_p): New.
        (aarch64_harden_sls_blr_p): New.
        (aarch64_validate_sls_mitigation): New.
        (aarch64_override_options): Parse options for SLS mitigation.
        * config/aarch64/aarch64.opt (-mharden-sls): New option.
        * doc/invoke.texi: Document new option.

2020-07-09  Kewen Lin  <linkw@linux.ibm.com>

        * tree-vect-stmts.c (vectorizable_condition): Prohibit vectorization
        with partial vectors explicitly excepting for EXTRACT_LAST_REDUCTION
        or nested-cycle reduction.

2020-07-09  Kewen Lin  <linkw@linux.ibm.com>

        * tree-vect-loop.c (vect_analyze_loop_2): Update dumping string
        for fully masking to be more common.

2020-07-09  Kito Cheng  <kito.cheng@sifive.com>

        * config/riscv/riscv.md (get_thread_pointer<mode>): New.
        (TP_REGNUM): Ditto.
        * doc/extend.texi (Target Builtins): Add RISC-V built-in section.
        Document __builtin_thread_pointer.

2020-07-09  Kito Cheng  <kito.cheng@sifive.com>

        * config/riscv/riscv-sr.c (riscv_remove_unneeded_save_restore_calls):
        Abort if any arguments on stack.

2020-07-08  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple-fold.c (gimple_fold_builtin_memory_op): Do not fold if
        either type has reverse scalar storage order.
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Do not propagate through
        a memory copy if either type has reverse scalar storage order.

2020-07-08  Tobias Burnus  <tobias@codesourcery.com>

        * config/gcn/mkoffload.c (compile_native, main): Pass -fPIC/-fpic
        on to the native compiler, if used.
        * config/nvptx/mkoffload.c (compile_native, main): Likewise.

2020-07-08  Will Schmidt  <will_schmidt@vnet.ibm.com>

        * config/rs6000/altivec.h (vec_vmsumudm): New define.
        * config/rs6000/altivec.md (UNSPEC_VMSUMUDM): New unspec.
          (altivec_vmsumudm): New define_insn.
        * config/rs6000/rs6000-builtin.def (altivec_vmsumudm): New BU_ALTIVEC_3
          entry. (vmsumudm): New BU_ALTIVEC_OVERLOAD_3 entry.
        * config/rs6000/rs6000-call.c (altivec_overloaded_builtins): Add entries for
          ALTIVEC_BUILTIN_VMSUMUDM variants of vec_msum.
        * doc/extend.texi: Add document for vmsumudm behind vmsum.

2020-07-08  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (get_group_load_store_type): Pass
        in the SLP node and the alignment support scheme output.
        Set that.
        (get_load_store_type): Likewise.
        (vectorizable_store): Adjust.
        (vectorizable_load): Likewise.

2020-07-08  Richard Sandiford  <richard.sandiford@arm.com>

        PR middle-end/95694
        * expr.c (expand_expr_real_2): Get the mode from the type rather
        than the rtx, and assert that it is consistent with the mode of
        the rtx (where known).  Optimize all constant integers, not just
        those that can be represented in poly_int64.

2020-07-08  Kewen Lin  <linkw@linux.ibm.com>

        * config/rs6000/vsx.md (len_load_v16qi): New define_expand.
        (len_store_v16qi): Likewise.

2020-07-08  Kewen Lin  <linkw@linux.ibm.com>

        * doc/md.texi (len_load_@var{m}): Document.
        (len_store_@var{m}): Likewise.
        * internal-fn.c (len_load_direct): New macro.
        (len_store_direct): Likewise.
        (expand_len_load_optab_fn): Likewise.
        (expand_len_store_optab_fn): Likewise.
        (direct_len_load_optab_supported_p): Likewise.
        (direct_len_store_optab_supported_p): Likewise.
        (expand_mask_load_optab_fn): New macro.  Original renamed to ...
        (expand_partial_load_optab_fn): ... here.  Add handlings for
        len_load_optab.
        (expand_mask_store_optab_fn): New macro.  Original renamed to ...
        (expand_partial_store_optab_fn): ... here. Add handlings for
        len_store_optab.
        (internal_load_fn_p): Handle IFN_LEN_LOAD.
        (internal_store_fn_p): Handle IFN_LEN_STORE.
        (internal_fn_stored_value_index): Handle IFN_LEN_STORE.
        * internal-fn.def (LEN_LOAD): New internal function.
        (LEN_STORE): Likewise.
        * optabs.def (len_load_optab, len_store_optab): New optab.

2020-07-07  Anton Youdkevitch  <anton.youdkevitch@bell-sw.com>

        * config/aarch64/aarch64.c (thunderx2t99_regmove_cost,
        thunderx2t99_vector_cost): Likewise.

2020-07-07  Richard Biener  <rguenther@suse.de>

        * tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Fix
        group overlap condition to allow negative step DR groups.
        * tree-vect-stmts.c (get_group_load_store_type): For
        multi element SLP groups force VMAT_STRIDED_SLP when the step
        is negative.

2020-07-07  Qian Jianhua  <qianjh@cn.fujitsu.com>

        * doc/generic.texi: Fix typo.

2020-07-07  Richard Biener  <rguenther@suse.de>

        * lto-streamer-out.c (cmp_symbol_files): Use the computed
        order map to sort symbols from the same sub-file together.
        (lto_output): Compute a map of sub-file to an order number
        it appears in the symbol output array.

2020-07-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96075
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use
        TYPE_SIZE_UNIT of the vector component type instead of DR_STEP
        for the misalignment calculation for negative step.

2020-07-06  Roger Sayle  <roger@nextmovesoftware.com>

        * config/nvptx/nvptx.md (*vadd_addsi4): New instruction.
        (*vsub_addsi4): New instruction.

2020-07-06  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md (movulsr): New peephole2.

2020-07-06  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/sync.md ("cris_atomic_fetch_<atomic_op_name><mode>_1"):
        Correct gcc_assert of overlapping operands.

2020-07-05  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.c (cris_select_cc_mode): Always return
        CC_NZmode for matching comparisons.  Clarify comments.
        * config/cris/cris-modes.def: Clarify mode comment.
        * config/cris/cris.md (plusminus, plusminusumin, plusumin): New
        code iterators.
        (addsub, addsubbo, nd): New code iterator attributes.
        ("*<addsub><su>qihi"): Rename from "*extopqihi".  Use code
        iterator constructs instead of match_operator constructs.
        ("*<addsubbo><su><nd><mode>si<setnz>"): Similar from
        "*extop<mode>si<setnz>".
        ("*add<su>qihi_swap"): Similar from "*addxqihi_swap".
        ("*<addsubbo><su><nd><mode>si<setnz>_swap"): Similar from
        "*extop<mode>si<setnz>_swap".

2020-07-05  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md ("*extopqihi", "*extop<mode>si<setnz>_swap")
        ("*extop<mode>si<setnz>", "*addxqihi_swap"): Reinstate.

2020-07-03  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple-fold.c (gimple_fold_builtin_memory_op): Fold calls that
        were initially created for the assignment of a variable-sized
        object and whose source is now a string constant.
        * gimple-ssa-store-merging.c (struct merged_store_group): Document
        STRING_CST for rhs_code field.
        Add string_concatenation boolean field.
        (merged_store_group::merged_store_group): Initialize it as well as
        bit_insertion here.
        (merged_store_group::do_merge): Set it upon seeing a STRING_CST.
        Also set bit_insertion here upon seeing a BIT_INSERT_EXPR.
        (merged_store_group::apply_stores): Clear it for small regions.
        Do not create a power-of-2-sized buffer if it is still true.
        And do not set bit_insertion here again.
        (encode_tree_to_bitpos): Deal with BLKmode for the expression.
        (merged_store_group::can_be_merged_into): Deal with STRING_CST.
        (imm_store_chain_info::coalesce_immediate_stores): Set bit_insertion
        to true after changing MEM_REF stores into BIT_INSERT_EXPR stores.
        (count_multiple_uses): Return 0 for STRING_CST.
        (split_group): Do not split the group for a string concatenation.
        (imm_store_chain_info::output_merged_store): Constify and rename
        some local variables.  Build an array type as destination type
        for a string concatenation, as well as a zero mask, and call
        build_string to build the source.
        (lhs_valid_for_store_merging_p): Return true for VIEW_CONVERT_EXPR.
        (pass_store_merging::process_store): Accept STRING_CST on the RHS.
        * gimple.h (gimple_call_alloca_for_var_p): New accessor function.
        * gimplify.c (gimplify_modify_expr_to_memcpy): Set alloca_for_var.
        * tree.h (CALL_ALLOCA_FOR_VAR_P): Document it for BUILT_IN_MEMCPY.

2020-07-03  Martin Jambor  <mjambor@suse.cz>

        PR ipa/96040
        * ipa-sra.c (all_callee_accesses_present_p): Do not accept type
        mismatched accesses.

2020-07-03  Roger Sayle  <roger@nextmovesoftware.com>

        * config/nvptx/nvptx.md (popcount<mode>2): New instructions.
        (mulhishi3, mulsidi3, umulhisi3, umulsidi3): New instructions.

2020-07-03  Martin Liska  <mliska@suse.cz>
            Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR bootstrap/96046
        * gcov-dump.c (tag_function): Use gcov_position_t
        type.

2020-07-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96037
        * tree-vect-stmts.c (vect_is_simple_use): Initialize *slp_def.

2020-07-03  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_bb_slp_scalar_cost): Cost the
        original non-pattern stmts, look at the pattern stmt
        vectorization status.

2020-07-03  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (fold_left_plus_<mode>): New.

2020-07-03  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (vec_info::insert_on_entry): New.
        (vec_info::insert_seq_on_entry): Likewise.
        * tree-vectorizer.c (vec_info::insert_on_entry): Implement.
        (vec_info::insert_seq_on_entry): Likewise.
        * tree-vect-stmts.c (vect_init_vector_1): Use
        vec_info::insert_on_entry.
        (vect_finish_stmt_generation): Set modified bit after
        adjusting VUSE.
        * tree-vect-slp.c (vect_create_constant_vectors): Simplify
        by using vec_info::insert_seq_on_entry and bypassing
        vec_init_vector.
        (vect_schedule_slp_instance): Deal with all-constant
        children later.

2020-07-03  Roger Sayle  <roger@nextmovesoftware.com>
            Tom de Vries  <tdevries@suse.de>

        PR target/90932
        * config/nvptx/nvptx.c (nvptx_vector_alignment): Use tree_to_uhwi
        to access TYPE_SIZE (type).  Return at least the mode's alignment.

2020-07-02  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96028
        * tree-vect-slp.c (vect_slp_convert_to_external): Make sure
        we have scalar stmts to use.
        (vect_slp_analyze_node_operations): When analyzing a child
        failed try externalizing the parent node.

2020-07-02  Martin Jambor  <mjambor@suse.cz>

        PR debug/95343
        * ipa-param-manipulation.c (ipa_param_adjustments::modify_call): Adjust
        argument index if necessary.

2020-07-02  Martin Liska  <mliska@suse.cz>

        PR middle-end/95830
        * tree-vect-generic.c (expand_vector_condition): Forward declaration.
        (expand_vector_comparison): Do not expand a comparison if all
        uses are consumed by a VEC_COND_EXPR.
        (expand_vector_operation): Change void return type to bool.
        (expand_vector_operations_1): Pass dce_ssa_names.

2020-07-02  Ilya Leoshkevich  <iii@linux.ibm.com>

        PR bootstrap/95700
        * system.h (NULL): Redefine to nullptr.

2020-07-02  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/95857
        * tree-cfg.c (group_case_labels_stmt): When removing an unreachable
        base_bb, remember all forced and non-local labels on it and later
        treat those as if they have NULL label_to_block.  Formatting fix.
        Fix a comment typo.

2020-07-02  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/96022
        * tree-vect-stmts.c (vectorizable_shift): Only use the
        first vector stmt when extracting the scalar shift amount.
        * tree-vect-slp.c (vect_build_slp_tree_2): Also build unary
        nodes with all-scalar children from scalars but not stores.
        (vect_analyze_slp_instance): Mark the node not failed.

2020-07-02  Felix Yang  <felix.yang@huawei.com>

        PR tree-optimization/95961
        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Use the
        number of scalars instead of the number of vectors as an upper bound
        for the loop saving info about DR in the hash table.  Remove unused
        local variables.

2020-07-02  Jakub Jelinek  <jakub@redhat.com>

        * omp-expand.c (expand_omp_for): Diagnose non-rectangular loops with
        invalid steps - ((m2 - m1) * incr_outer) % incr must be 0 in valid
        OpenMP non-rectangular loops.  Use XALLOCAVEC.

2020-07-02  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/95348
        * coverage.c (read_counts_file): Read only COUNTERS that are
        not all-zero.
        * gcov-dump.c (tag_function): Change signature from unsigned to
        signed integer.
        (tag_blocks): Likewise.
        (tag_arcs): Likewise.
        (tag_lines): Likewise.
        (tag_counters): Likewise.
        (tag_summary): Likewise.
        * gcov.c (read_count_file): Read all non-zero counters
        sensitively.

2020-07-02  Kito Cheng  <kito.cheng@sifive.com>

        * config/riscv/multilib-generator (arch_canonicalize): Handle
        multi-letter extension.
        Using underline as separator between different extensions.

2020-07-01  Pip Cet  <pipcet@gmail.com>

        * spellcheck.c (test_data): Add problematic strings.
        (test_metric_conditions): Don't test the triangle inequality
        condition, which our distance function does not satisfy.

2020-07-01  Omar Tahir  <omar.tahir@arm.com>

        * config/aarch64/aarch64.c (aarch64_asm_trampoline_template): Always
        generate a BTI instruction.

2020-07-01  Jeff Law  <law@redhat.com>

        PR tree-optimization/94882
        * match.pd (x & y) - (x | y) - 1 -> ~(x ^ y): New simplification.

2020-07-01  Jeff Law  <law@redhat.com>

        * config/m68k/m68k.c (m68k_output_btst): Drop "register" keyword.
        (emit_move_sequence, output_iorsi3, output_xorsi3): Likewise.

2020-07-01  Andrea Corallo  <andrea.corallo@arm.com>

        * config/aarch64/aarch64-builtins.c (aarch64_builtins): Add enums
        for 64bits fpsr/fpcr getter setters builtin variants.
        (aarch64_init_fpsr_fpcr_builtins): New function.
        (aarch64_general_init_builtins): Modify to make use of the later.
        (aarch64_expand_fpsr_fpcr_setter): New function.
        (aarch64_general_expand_builtin): Modify to make use of the later.
        * config/aarch64/aarch64.md (@aarch64_set_<fpscr_name><GPI:mode>)
        (@aarch64_get_<fpscr_name><GPI:mode>): New patterns replacing and
        generalizing 'get_fpcr', 'set_fpsr'.
        * config/aarch64/iterators.md (GET_FPSCR, SET_FPSCR): New int
        iterators.
        (fpscr_name): New int attribute.
        * doc/extend.texi (__builtin_aarch64_get_fpcr64)
        (__builtin_aarch64_set_fpcr64, __builtin_aarch64_get_fpsr64)
        (__builtin_aarch64_set_fpsr64): Add into AArch64 Built-in
        Functions.

2020-07-01  Martin Liska  <mliska@suse.cz>

        * gcov.c (print_usage): Avoid trailing space for -j option.

2020-07-01  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95839
        * tree-vect-slp.c (vect_slp_tree_uniform_p): Pre-existing
        vectors are not uniform.
        (vect_build_slp_tree_1): Handle BIT_FIELD_REFs of
        vector registers.
        (vect_build_slp_tree_2): For groups of lane extracts
        from a vector register generate a permute node
        with a special child representing the pre-existing vector.
        (vect_prologue_cost_for_slp): Pre-existing vectors cost nothing.
        (vect_slp_analyze_node_operations): Use SLP_TREE_LANES.
        (vectorizable_slp_permutation): Do not generate or cost identity
        permutes.
        (vect_schedule_slp_instance): Handle pre-existing vector
        that are function arguments.

2020-07-01  Richard Biener  <rguenther@suse.de>

        * system.h (INCLUDE_ISL): New guarded include.
        * graphite-dependences.c: Use it.
        * graphite-isl-ast-to-gimple.c: Likewise.
        * graphite-optimize-isl.c: Likewise.
        * graphite-poly.c: Likewise.
        * graphite-scop-detection.c: Likewise.
        * graphite-sese-to-poly.c: Likewise.
        * graphite.c: Likewise.
        * graphite.h: Drop the includes here.

2020-07-01  Martin Liska  <mliska@suse.cz>

        * gcov.c (print_usage): Shorted option description for -j
        option.

2020-07-01  Martin Liska  <mliska@suse.cz>

        * doc/gcov.texi: Rename 2 options.
        * gcov.c (print_usage): Rename -i,--json-format to
        -j,--json-format and -j,--human-readable to -H,--human-readable.
        (process_args): Fix up parsing.  Document obsolete options and
        how are they changed.

2020-07-01  Jeff Law  <law@redhat.com>

        * config/pa/pa.c (pa_emit_move_sequence): Drop register keyword.
        (pa_output_ascii): Likewise.

2020-07-01  Kito Cheng  <kito.cheng@sifive.com>

        * common/config/riscv/riscv-common.c (riscv_subset_t): New field
        added.
        (riscv_subset_list::parsing_subset_version): Add parameter for
        indicate explicitly version, and handle explicitly version.
        (riscv_subset_list::handle_implied_ext): Ditto.
        (riscv_subset_list::add): Ditto.
        (riscv_subset_t::riscv_subset_t): Init new field.
        (riscv_subset_list::to_string): Always output version info if version
        explicitly specified.
        (riscv_subset_list::parsing_subset_version): Handle explicitly
        arch version.
        (riscv_subset_list::parse_std_ext): Ditto.
        (riscv_subset_list::parse_multiletter_ext): Ditto.

2020-06-30  Richard Sandiford  <richard.sandiford@arm.com>

        PR target/92789
        PR target/95726
        * config/aarch64/aarch64.c (aarch64_attribute_table): Add
        "Advanced SIMD type".
        (aarch64_comp_type_attributes): Check that the "Advanced SIMD type"
        attributes are equal.
        * config/aarch64/aarch64-builtins.c: Include stringpool.h and
        attribs.h.
        (aarch64_mangle_builtin_vector_type): Use the mangling recorded
        in the "Advanced SIMD type" attribute.
        (aarch64_init_simd_builtin_types): Add an "Advanced SIMD type"
        attribute to each Advanced SIMD type, using the mangled type
        as the attribute's single argument.

2020-06-30  Christophe Lyon  <christophe.lyon@linaro.org>

        PR target/94743
        * config/arm/arm.c (arm_handle_isr_attribute): Warn if
        -mgeneral-regs-only is not used.

2020-06-30  Yang Yang  <yangyang305@huawei.com>

        PR tree-optimization/95855
        * gimple-ssa-split-paths.c (is_feasible_trace): Add extra
        checks to recognize a missed if-conversion opportunity when
        judging whether to duplicate a block.

2020-06-29  Segher Boessenkool  <segher@kernel.crashing.org>

        * doc/extend.texi: Change references to "future architecture" to
        "ISA 3.1", "-mcpu=future" to "-mcpu=power10", and remove vaguer
        references to "future" (because the future is now).

2020-06-29  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (isa): Rename "fut" to "p10".

2020-06-29  Roger Sayle  <roger@nextmovesoftware.com>

        * simplify-rtx.c (simplify_distributive_operation): New function
        to un-distribute a binary operation of two binary operations.
        (X & C) ^ (Y & C) to (X ^ Y) & C, when C is simple (i.e. a constant).
        (simplify_binary_operation_1) <IOR, XOR, AND>: Call it from here
        when appropriate.
        (test_scalar_int_ops): New function for unit self-testing
        scalar integer transformations in simplify-rtx.c.
        (test_scalar_ops): Call test_scalar_int_ops for each integer mode.
        (simplify_rtx_c_tests): Call test_scalar_ops.

2020-06-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95916
        * tree-vect-slp.c (vect_schedule_slp_instance): Explicitely handle
        the case of not vectorized externals.

2020-06-29  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h: Do not include <utility>.

2020-06-29  Martin Liska  <mliska@suse.cz>

        * tree-ssa-ccp.c (gsi_prev_dom_bb_nondebug): Use gsi_bb
        instead of gimple_stmt_iterator::bb.
        * tree-ssa-math-opts.c (insert_reciprocals): Likewise.
        * tree-vectorizer.h: Likewise.

2020-06-29  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-hsa.h (DBX_REGISTER_NUMBER): New macro.
        * config/gcn/gcn-protos.h (gcn_dwarf_register_number): New prototype.
        * config/gcn/gcn.c (gcn_expand_prologue): Add RTX_FRAME_RELATED_P
        and REG_FRAME_RELATED_EXPR to stack and frame pointer adjustments.
        (gcn_dwarf_register_number): New function.
        (gcn_dwarf_register_span): New function.
        (TARGET_DWARF_REGISTER_SPAN): New hook macro.

2020-06-29  Kaipeng Zhou  <zhoukaipeng3@huawei.com>

        PR tree-optimization/95854
        * gimple-ssa-store-merging.c (find_bswap_or_nop_1): Return NULL
        if operand 1 or 2 of a BIT_FIELD_REF cannot be converted to
        unsigned HOST_WIDE_INT.

2020-06-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sparc/sparc.c (epilogue_renumber): Remove register.
        (sparc_print_operand_address): Likewise.
        (sparc_type_code): Likewise.
        (set_extends): Likewise.

2020-06-29  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/92860
        * optc-save-gen.awk: Add exceptions for arc target.

2020-06-29  Frederik Harwath  <frederik@codesourcery.com>

        * doc/sourcebuild.texi: Describe globbing of the
        dump file scanning commands "suffix" argument.

2020-06-28  Martin Sebor  <msebor@redhat.com>

        PR c++/86568
        * calls.c (maybe_warn_rdwr_sizes): Use location of argument if
        available.
        * tree-ssa-ccp.c (pass_post_ipa_warn::execute): Same.  Adjust
        indentation.
        * tree.c (get_nonnull_args): Consider the this pointer implicitly
        nonnull.
        * var-tracking.c (deps_vec): New type.
        (var_loc_dep_vec): New function.
        (VAR_LOC_DEP_VEC): Use it.

2020-06-28  Kewen Lin  <linkw@linux.ibm.com>

        * internal-fn.c (direct_mask_load_optab_supported_p): Use
        convert_optab_supported_p instead of direct_optab_supported_p.
        (direct_mask_store_optab_supported_p): Likewise.

2020-06-27  Aldy Hernandez  <aldyh@redhat.com>

        * gimple-ssa-evrp-analyze.h (vrp_visit_cond_stmt): Use
        simplify_using_ranges class.
        * gimple-ssa-evrp.c (class evrp_folder): New simplify_using_ranges
        field.  Adjust all methods to use new field.
        * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Use
        simplify_using_ranges class.
        * tree-vrp.c (class vrp_folder): New simplify_using_ranges
        field.  Adjust all methods to use new field.
        (simplify_stmt_for_jump_threading): Use simplify_using_ranges class.
        (vrp_prop::vrp_finalize): New vrp_folder argument.
        (execute_vrp): Pass folder to vrp_finalize.  Use
        simplify_using_ranges class.
        Remove cleanup_edges_and_switches call.
        * vr-values.c (vr_values::op_with_boolean_value_range_p): Change
        value_range_equiv uses to value_range.
        (simplify_using_ranges::op_with_boolean_value_range_p): Use
        simplify_using_ranges class.
        (check_for_binary_op_overflow): Make static.
        (vr_values::extract_range_basic): Pass this to
        check_for_binary_op_overflow.
        (compare_range_with_value): Change value_range_equiv uses to
        value_range.
        (vr_values::vr_values): Initialize simplifier field.
        Remove uses of to_remove_edges and to_update_switch_stmts.
        (vr_values::~vr_values): Remove uses of to_remove_edges and
        to_update_switch_stmts.
        (vr_values::get_vr_for_comparison): Move to simplify_using_ranges
        class.
        (vr_values::compare_name_with_value): Same.
        (vr_values::compare_names): Same.
        (vr_values::vrp_evaluate_conditional_warnv_with_ops): Same.
        (vr_values::vrp_evaluate_conditional): Same.
        (vr_values::vrp_visit_cond_stmt): Same.
        (find_case_label_ranges): Change value_range_equiv uses to
        value_range.
        (vr_values::extract_range_from_stmt): Use simplify_using_ranges class.
        (vr_values::simplify_truth_ops_using_ranges): Move to
        simplify_using_ranges class.
        (vr_values::simplify_div_or_mod_using_ranges): Same.
        (vr_values::simplify_min_or_max_using_ranges): Same.
        (vr_values::simplify_abs_using_ranges): Same.
        (vr_values::simplify_bit_ops_using_ranges): Same.
        (test_for_singularity): Change value_range_equiv uses to
        value_range.
        (range_fits_type_p): Same.
        (vr_values::simplify_cond_using_ranges_1): Same.
        (vr_values::simplify_cond_using_ranges_2): Make extern.
        (vr_values::fold_cond): Move to simplify_using_ranges class.
        (vr_values::simplify_switch_using_ranges): Same.
        (vr_values::cleanup_edges_and_switches): Same.
        (vr_values::simplify_float_conversion_using_ranges): Same.
        (vr_values::simplify_internal_call_using_ranges): Same.
        (vr_values::two_valued_val_range_p): Same.
        (vr_values::simplify_stmt_using_ranges): Move to...
        (simplify_using_ranges::simplify): ...here.
        * vr-values.h (class vr_values): Move all the simplification of
        statements using ranges methods and code from here...
        (class simplify_using_ranges): ...to here.
        (simplify_cond_using_ranges_2): New extern prototype.

2020-06-27  Jakub Jelinek  <jakub@redhat.com>

        * omp-general.h (struct omp_for_data_loop): Add non_rect_referenced
        member, move outer member.
        (struct omp_for_data): Add first_nonrect and last_nonrect members.
        * omp-general.c (omp_extract_for_data): Initialize first_nonrect,
        last_nonrect and non_rect_referenced members.
        * omp-expand.c (expand_omp_for_init_counts): Handle non-rectangular
        loops.
        (expand_omp_for_init_vars): Add nonrect_bounds parameter.  Handle
        non-rectangular loops.
        (extract_omp_for_update_vars): Likewise.
        (expand_omp_for_generic, expand_omp_for_static_nochunk,
        expand_omp_for_static_chunk, expand_omp_simd,
        expand_omp_taskloop_for_outer, expand_omp_taskloop_for_inner): Adjust
        expand_omp_for_init_vars and extract_omp_for_update_vars callers.
        (expand_omp_for): Don't sorry on non-composite worksharing-loop or
        distribute.

2020-06-26  H.J. Lu  <hjl.tools@gmail.com>

        PR target/95655
        * config/i386/gnu-user.h (SUBTARGET_FRAME_POINTER_REQUIRED):
        Removed.
        * config/i386/i386.c (ix86_frame_pointer_required): Update
        comments.

2020-06-26  Yichao Yu  <yyc1992@gmail.com>

        * multiple_target.c (redirect_to_specific_clone): Fix tests
        to check individual attribute rather than an attribute list.

2020-06-26  Peter Bergner  <bergner@linux.ibm.com>

        * config/rs6000/rs6000-call.c (cpu_is_info) <power10>: New.
        * doc/extend.texi (PowerPC Built-in Functions): Document power10,
        arch_3_1 and mma.

2020-06-26  Marek Polacek  <polacek@redhat.com>

        * doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
        * doc/standards.texi (C Language): Correct the default dialect.
        (C++ Language): Update the default for C++ to gnu++17.

2020-06-26  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-reassoc.c (dump_range_entry): New function.
        (debug_range_entry): New debug function.
        (update_range_test): Invoke dump_range_entry for dumping.
        (optimize_range_tests_to_bit_test): Merge the entry test in the
        bit test when possible and lower the profitability threshold.

2020-06-26  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95897
        * tree-vectorizer.h (vectorizable_induction): Remove
        unused gimple_stmt_iterator * parameter.
        * tree-vect-loop.c (vectorizable_induction): Likewise.
        (vect_analyze_loop_operations): Adjust.
        * tree-vect-stmts.c (vect_analyze_stmt): Likewise.
        (vect_transform_stmt): Likewise.
        * tree-vect-slp.c (vect_schedule_slp_instance): Adjust
        for fold-left reductions, clarify existing reduction case.

2020-06-25  Nick Clifton  <nickc@redhat.com>

        * config/m32r/m32r.md (movsicc): Disable pattern.

2020-06-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95839
        * tree-vect-slp.c (vect_slp_analyze_bb_1): Remove premature
        check on the number of datarefs.

2020-06-25  Iain Sandoe  <iain@sandoe.co.uk>

        * config/rs6000/rs6000-call.c (mma_init_builtins): Cast
        the insn_data n_operands value to unsigned.

2020-06-25  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_schedule_slp_instance): Always use
        vector defs to determine insertion place.

2020-06-25  H.J. Lu  <hjl.tools@gmail.com>

        PR target/95874
        * config/i386/i386.h (PTA_ICELAKE_CLIENT): Remove PTA_CLWB.
        (PTA_ICELAKE_SERVER): Add PTA_CLWB.
        (PTA_TIGERLAKE): Add PTA_CLWB.

2020-06-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95866
        * tree-vect-stmts.c (vectorizable_shift): Reject incompatible
        vectorized shift operands.  For scalar shifts use lane zero
        of a vectorized shift operand.

2020-06-25  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/95745
        PR middle-end/95830
        * gimple-isel.cc (gimple_expand_vec_cond_exprs): Delete dead
        SSA_NAMEs used as the first argument of a VEC_COND_EXPR.  Always
        return 0.
        * tree-vect-generic.c (expand_vector_condition): Remove dead
        SSA_NAMEs used as the first argument of a VEC_COND_EXPR.

2020-06-24  Will Schmidt  <will_schmidt@vnet.ibm.com>

        PR target/94954
        * config/rs6000/altivec.h (vec_pack_to_short_fp32): Update.
        * config/rs6000/altivec.md (UNSPEC_CONVERT_4F32_8F16): New unspec.
        (convert_4f32_8f16): New define_expand
        * config/rs6000/rs6000-builtin.def (convert_4f32_8f16): New builtin define
        and overload.
        * config/rs6000/rs6000-call.c (P9V_BUILTIN_VEC_CONVERT_4F32_8F16): New
        overloaded builtin entry.
        * config/rs6000/vsx.md (UNSPEC_VSX_XVCVSPHP): New unspec.
        (vsx_xvcvsphp): New define_insn.

2020-06-24  Roger Sayle  <roger@nextmovesoftware.com>
            Segher Boessenkool  <segher@kernel.crashing.org>

        * simplify-rtx.c (simplify_unary_operation_1): Simplify rotates by 0.

2020-06-24  Roger Sayle  <roger@nextmovesoftware.com>

        * simplify-rtx.c (simplify_unary_operation_1): Simplify
        (parity (parity x)) as (parity x), i.e. PARITY is idempotent.

2020-06-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95866
        * tree-vect-slp.c (vect_slp_tree_uniform_p): New.
        (vect_build_slp_tree_2): Properly reset matches[0],
        ignore uniform constants.

2020-06-24  H.J. Lu  <hjl.tools@gmail.com>

        PR target/95660
        * common/config/i386/cpuinfo.h (get_intel_cpu): Remove brand_id.
        (cpu_indicator_init): Likewise.
        * config/i386/driver-i386.c (host_detect_local_cpu): Updated.

2020-06-24  H.J. Lu  <hjl.tools@gmail.com>

        PR target/95774
        * common/config/i386/cpuinfo.h (get_intel_cpu): Add Cooper Lake
        detection with AVX512BF16.

2020-06-24  H.J. Lu  <hjl.tools@gmail.com>

        PR target/95843
        * common/config/i386/i386-isas.h: New file.  Extracted from
        gcc/config/i386/i386-builtins.c.
        (_isa_names_table): Add option.
        (ISA_NAMES_TABLE_START): New.
        (ISA_NAMES_TABLE_END): Likewise.
        (ISA_NAMES_TABLE_ENTRY): Likewise.
        (isa_names_table): Defined with ISA_NAMES_TABLE_START,
        ISA_NAMES_TABLE_END and ISA_NAMES_TABLE_ENTRY.  Add more ISAs
        from enum processor_features.
        * config/i386/driver-i386.c: Include
        "common/config/i386/cpuinfo.h" and
        "common/config/i386/i386-isas.h".
        (has_feature): New macro.
        (host_detect_local_cpu): Call cpu_indicator_init to get CPU
        features.  Use has_feature to detect processor features.  Call
        Call get_intel_cpu to get the newer Intel CPU name.  Use
        isa_names_table to generate command-line options.
        * config/i386/i386-builtins.c: Include
        "common/config/i386/i386-isas.h".
        (_arch_names_table): Removed.
        (isa_names_table): Likewise.

2020-06-24  H.J. Lu  <hjl.tools@gmail.com>

        PR target/95259
        * common/config/i386/cpuinfo.h: New file.
        (__processor_model): Moved from libgcc/config/i386/cpuinfo.h.
        (__processor_model2): New.
        (CHECK___builtin_cpu_is): New.  Defined as empty if not defined.
        (has_cpu_feature): New function.
        (set_cpu_feature): Likewise.
        (get_amd_cpu): Moved from libgcc/config/i386/cpuinfo.c.  Use
        CHECK___builtin_cpu_is.  Return AMD CPU name.
        (get_intel_cpu): Moved from libgcc/config/i386/cpuinfo.c.  Use
        Use CHECK___builtin_cpu_is.  Return Intel CPU name.
        (get_available_features): Moved from libgcc/config/i386/cpuinfo.c.
        Also check FEATURE_3DNOW, FEATURE_3DNOWP, FEATURE_ADX,
        FEATURE_ABM, FEATURE_CLDEMOTE, FEATURE_CLFLUSHOPT, FEATURE_CLWB,
        FEATURE_CLZERO, FEATURE_CMPXCHG16B, FEATURE_CMPXCHG8B,
        FEATURE_ENQCMD, FEATURE_F16C, FEATURE_FSGSBASE, FEATURE_FXSAVE,
        FEATURE_HLE, FEATURE_IBT, FEATURE_LAHF_LM, FEATURE_LM,
        FEATURE_LWP, FEATURE_LZCNT, FEATURE_MOVBE, FEATURE_MOVDIR64B,
        FEATURE_MOVDIRI, FEATURE_MWAITX, FEATURE_OSXSAVE,
        FEATURE_PCONFIG, FEATURE_PKU, FEATURE_PREFETCHWT1, FEATURE_PRFCHW,
        FEATURE_PTWRITE, FEATURE_RDPID, FEATURE_RDRND, FEATURE_RDSEED,
        FEATURE_RTM, FEATURE_SERIALIZE, FEATURE_SGX, FEATURE_SHA,
        FEATURE_SHSTK, FEATURE_TBM, FEATURE_TSXLDTRK, FEATURE_VAES,
        FEATURE_WAITPKG, FEATURE_WBNOINVD, FEATURE_XSAVE, FEATURE_XSAVEC,
        FEATURE_XSAVEOPT and FEATURE_XSAVES
        (cpu_indicator_init): Moved from libgcc/config/i386/cpuinfo.c.
        Also update cpu_model2.
        * common/config/i386/i386-cpuinfo.h (processor_vendor): Add
        Add VENDOR_CENTAUR, VENDOR_CYRIX and VENDOR_NSC.
        (processor_features): Moved from gcc/config/i386/i386-builtins.c.
        Renamed F_XXX to FEATURE_XXX.  Add FEATURE_3DNOW, FEATURE_3DNOWP,
        FEATURE_ADX, FEATURE_ABM, FEATURE_CLDEMOTE, FEATURE_CLFLUSHOPT,
        FEATURE_CLWB, FEATURE_CLZERO, FEATURE_CMPXCHG16B,
        FEATURE_CMPXCHG8B, FEATURE_ENQCMD, FEATURE_F16C,
        FEATURE_FSGSBASE, FEATURE_FXSAVE, FEATURE_HLE, FEATURE_IBT,
        FEATURE_LAHF_LM, FEATURE_LM, FEATURE_LWP, FEATURE_LZCNT,
        FEATURE_MOVBE, FEATURE_MOVDIR64B, FEATURE_MOVDIRI,
        FEATURE_MWAITX, FEATURE_OSXSAVE, FEATURE_PCONFIG,
        FEATURE_PKU, FEATURE_PREFETCHWT1, FEATURE_PRFCHW,
        FEATURE_PTWRITE, FEATURE_RDPID, FEATURE_RDRND, FEATURE_RDSEED,
        FEATURE_RTM, FEATURE_SERIALIZE, FEATURE_SGX, FEATURE_SHA,
        FEATURE_SHSTK, FEATURE_TBM, FEATURE_TSXLDTRK, FEATURE_VAES,
        FEATURE_WAITPKG, FEATURE_WBNOINVD, FEATURE_XSAVE, FEATURE_XSAVEC,
        FEATURE_XSAVEOPT, FEATURE_XSAVES and CPU_FEATURE_MAX.
        (SIZE_OF_CPU_FEATURES): New.
        * config/i386/i386-builtins.c (processor_features): Removed.
        (isa_names_table): Replace F_XXX with FEATURE_XXX.
        (fold_builtin_cpu): Change __cpu_features2 to an array.

2020-06-24  H.J. Lu  <hjl.tools@gmail.com>

        PR target/95842
        * common/config/i386/i386-common.c (processor_alias_table): Add
        processor model and priority to each entry.
        (pta_size): Updated with -6.
        (num_arch_names): New.
        * common/config/i386/i386-cpuinfo.h: New file.
        * config/i386/i386-builtins.c (feature_priority): Removed.
        (processor_model): Likewise.
        (_arch_names_table): Likewise.
        (arch_names_table): Likewise.
        (_isa_names_table): Replace P_ZERO with P_NONE.
        (get_builtin_code_for_version): Replace P_ZERO with P_NONE.  Use
        processor_alias_table.
        (fold_builtin_cpu): Replace arch_names_table with
        processor_alias_table.
        * config/i386/i386.h: Include "common/config/i386/i386-cpuinfo.h".
        (pta): Add model and priority.
        (num_arch_names): New.

2020-06-24  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (vect_find_first_scalar_stmt_in_slp):
        Declare.
        * tree-vect-data-refs.c (vect_preserves_scalar_order_p):
        Simplify for new position of vectorized SLP loads.
        (vect_slp_analyze_node_dependences): Adjust for it.
        (vect_slp_analyze_and_verify_node_alignment): Compute alignment
        for the first stmts dataref.
        * tree-vect-slp.c (vect_find_first_scalar_stmt_in_slp): New.
        (vect_schedule_slp_instance): Emit loads before the
        first scalar stmt.
        * tree-vect-stmts.c (vectorizable_load): Do what the comment
        says and use vect_find_first_scalar_stmt_in_slp.

2020-06-24  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95856
        * tree-vectorizer.c (vect_stmt_dominates_stmt_p): Honor
        region marker -1u.

2020-06-24  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/95810
        * fold-const.c (fold_cond_expr_with_comparison): Optimize
        A <= 0 ? A : -A into (type)-absu(A) rather than -abs(A).

2020-06-24  Jakub Jelinek  <jakub@redhat.com>

        * omp-low.c (lower_omp_for): Fix two pastos.

2020-06-24  Martin Liska  <mliska@suse.cz>

        * optc-save-gen.awk: Compare string options in cl_optimization_compare
        by strcmp.

2020-06-23  Aaron Sawdey  <acsawdey@linux.ibm.com>

        * config.gcc: Identify power10 as a 64-bit processor and as valid
        for --with-cpu and --with-tune.

2020-06-23  David Edelsohn  <dje.gcc@gmail.com>

        * Makefile.in (LANG_MAKEFRAGS): Same.
        (tmake_file): Use -include.
        (xmake_file): Same.

2020-06-23  Michael Meissner  <meissner@linux.ibm.com>

        * REVISION: Delete file meant for a private branch.

2020-06-23  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        PR target/95646
        * config/arm/arm.c: (cmse_nonsecure_entry_clear_before_return): Use
        'callee_saved_reg_p' instead of 'calL_used_or_fixed_reg_p'.

2020-06-23  Alexandre Oliva  <oliva@adacore.com>

        * collect-utils.h (dumppfx): New.
        * collect-utils.c (dumppfx): Likewise.
        * lto-wrapper.c (run_gcc): Set global dumppfx.
        (compile_offload_image): Pass a -dumpbase on to mkoffload.
        * config/nvptx/mkoffload.c (ptx_dumpbase): New.
        (main): Handle incoming -dumpbase.  Set ptx_dumpbase.  Obey
        save_temps.
        (compile_native): Pass -dumpbase et al to compiler.
        * config/gcn/mkoffload.c (gcn_dumpbase): New.
        (main): Handle incoming -dumpbase.  Set gcn_dumpbase.  Obey
        save_temps.  Pass -dumpbase et al to offload target compiler.
        (compile_native): Pass -dumpbase et al to compiler.

2020-06-23  Michael Meissner  <meissner@linux.ibm.com>

        * REVISION: New file.

2020-06-22  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/altivec.h: Use _ARCH_PWR10, not _ARCH_PWR_FUTURE.
        Update comment for ISA 3.1.
        * config/rs6000/altivec.md: Use TARGET_POWER10, not TARGET_FUTURE.
        * config/rs6000/driver-rs6000.c (asm_names): Use -mpwr10 for power10
        on AIX, and -mpower10 elsewhere.
        * config/rs6000/future.md: Delete.
        * config/rs6000/linux64.h: Update comments.  Use TARGET_POWER10, not
        TARGET_FUTURE.
        * config/rs6000/power10.md: New file.
        * config/rs6000/ppc-auxv.h: Use PPC_PLATFORM_POWER10, not
        PPC_PLATFORM_FUTURE.
        * config/rs6000/rs6000-builtin.def: Update comments.  Use BU_P10V_*
        names instead of BU_FUTURE_V_* names.  Use RS6000_BTM_P10 instead of
        RS6000_BTM_FUTURE.  Use P10_BUILTIN_* instead of FUTURE_BUILTIN_*.
        Use BU_P10_* instead of BU_FUTURE_*.
        * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
        _ARCH_PWR10 instead of _ARCH_PWR_FUTURE.
        (altivec_resolve_overloaded_builtin): Use P10_BUILTIN_VEC_XXEVAL, not
        FUTURE_BUILTIN_VEC_XXEVAL.
        * config/rs6000/rs6000-call.c: Use P10_BUILTIN_*, not FUTURE_BUILTIN_*.
        Update compiler messages.
        * config/rs6000/rs6000-cpus.def: Update comments.  Use ISA_3_1_*, not
        ISA_FUTURE_*.  Use OPTION_MASK_POWER10, not OPTION_MASK_FUTURE.
        * config/rs6000/rs6000-opts.h: Use PROCESSOR_POWER10, not
        PROCESSOR_FUTURE.
        * config/rs6000/rs6000-string.c: Ditto.
        * config/rs6000/rs6000-tables.opt (rs6000_cpu_opt_value): Use "power10"
        instead of "future", reorder it to right after "power9".
        * config/rs6000/rs6000.c: Update comments.  Use OPTION_MASK_POWER10,
        not OPTION_MASK_FUTURE.  Use TARGET_POWER10, not TARGET_FUTURE.  Use
        RS6000_BTM_P10, not RS6000_BTM_FUTURE.  Update compiler messages.
        Use PROCESSOR_POWER10, not PROCESSOR_FUTURE.  Use ISA_3_1_MASKS_SERVER,
        not ISA_FUTURE_MASKS_SERVER.
        (rs6000_opt_masks): Use "power10" instead of "future".
        (rs6000_builtin_mask_names): Ditto.
        (rs6000_disable_incompatible_switches): Ditto.
        * config/rs6000/rs6000.h: Use -mpower10, not -mfuture.  Use
        -mcpu=power10, not -mcpu=future.  Use MASK_POWER10, not MASK_FUTURE.
        Use OPTION_MASK_POWER10, not OPTION_MASK_FUTURE.  Use RS6000_BTM_P10,
        not RS6000_BTM_FUTURE.
        * config/rs6000/rs6000.md: Use "power10", not "future".  Use
        TARGET_POWER10, not TARGET_FUTURE.  Include "power10.md", not
        "future.md".
        * config/rs6000/rs6000.opt (mfuture): Delete.
        (mpower10): New.
        * config/rs6000/t-rs6000: Use "power10.md", not "future.md".
        * config/rs6000/vsx.md: Use TARGET_POWER10, not TARGET_FUTURE.

2020-06-22  Richard Sandiford  <richard.sandiford@arm.com>

        * coretypes.h (first_type): Delete.
        * recog.h (insn_gen_fn::operator()): Go back to using a decltype.

2020-06-22  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * doc/sourcebuild.texi (arm_v8_1m_mve_fp_ok): Add item.
        (arm_mve_hw): Likewise.

2020-06-22  H.J. Lu  <hjl.tools@gmail.com>

        PR target/95791
        * config/i386/i386.c (ix86_dirflag_mode_needed): Skip
        EXT_REX_SSE_REG_P.

2020-06-22  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95770
        * tree-vect-slp.c (vect_schedule_slp_instance): Also consider
        external defs.

2020-06-22  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn.c (gcn_function_arg): Disallow vector arguments.
        (gcn_return_in_memory): Return vectors in memory.

2020-06-22  Jakub Jelinek  <jakub@redhat.com>

        * omp-general.c (omp_extract_for_data): For triangular loops with
        all loop invariant expressions constant where the innermost loop is
        executed at least once compute number of iterations at compile time.

2020-06-22  Kito Cheng  <kito.cheng@sifive.com>

        * config/riscv/riscv.h (ASM_SPEC): Remove riscv_expand_arch call.
        (DRIVER_SELF_SPECS): New.

2020-06-22  Kito Cheng  <kito.cheng@sifive.com>

        * config/riscv/riscv-builtins.c (RISCV_FTYPE_NAME0): New.
        (RISCV_FTYPE_ATYPES0): New.
        (riscv_builtins): Using RISCV_USI_FTYPE for frflags.
        * config/riscv/riscv-ftypes.def: Remove VOID argument.

2020-06-21  David Edelsohn  <dje.gcc@gmail.com>

        * config.gcc: Use t-aix64, biarch64 and default64 for cpu_is_64bit.
        * config/rs6000/aix72.h (ASM_SPEC): Remove aix64 option.
        (ASM_SPEC32): New.
        (ASM_SPEC64): New.
        (ASM_CPU_SPEC): Remove vsx and altivec options.
        (CPP_SPEC_COMMON): Rename from CPP_SPEC.
        (CPP_SPEC32): New.
        (CPP_SPEC64): New.
        (CPLUSPLUS_CPP_SPEC): Rename to CPLUSPLUS_CPP_SPEC_COMMON..
        (TARGET_DEFAULT): Only define if not BIARCH.
        (LIB_SPEC_COMMON): Rename from LIB_SPEC.
        (LIB_SPEC32): New.
        (LIB_SPEC64): New.
        (LINK_SPEC_COMMON): Rename from LINK_SPEC.
        (LINK_SPEC32): New.
        (LINK_SPEC64): New.
        (STARTFILE_SPEC): Add 64 bit version of crtcxa and crtdbase.
        (ASM_SPEC): Define 32 and 64 bit alternatives using DEFAULT_ARCH64_P.
        (CPP_SPEC): Same.
        (CPLUSPLUS_CPP_SPEC): Same.
        (LIB_SPEC): Same.
        (LINK_SPEC): Same.
        (SUBTARGET_EXTRA_SPECS): Add new 32/64 specs.
        * config/rs6000/defaultaix64.h: New file.
        * config/rs6000/t-aix64: New file.

2020-06-21  Peter Bergner  <bergner@linux.ibm.com>

        * config/rs6000/predicates.md (mma_assemble_input_operand): New.
        * config/rs6000/rs6000-builtin.def (BU_MMA_1, BU_MMA_V2, BU_MMA_3,
        BU_MMA_5, BU_MMA_6, BU_VSX_1): Add support macros for defining MMA
        built-in functions.
        (ASSEMBLE_ACC, ASSEMBLE_PAIR, DISASSEMBLE_ACC, DISASSEMBLE_PAIR,
        PMXVBF16GER2, PMXVBF16GER2NN, PMXVBF16GER2NP, PMXVBF16GER2PN,
        PMXVBF16GER2PP, PMXVF16GER2, PMXVF16GER2NN, PMXVF16GER2NP,
        PMXVF16GER2PN, PMXVF16GER2PP, PMXVF32GER, PMXVF32GERNN,
        PMXVF32GERNP, PMXVF32GERPN, PMXVF32GERPP, PMXVF64GER, PMXVF64GERNN,
        PMXVF64GERNP, PMXVF64GERPN, PMXVF64GERPP, PMXVI16GER2, PMXVI16GER2PP,
        PMXVI16GER2S, PMXVI16GER2SPP, PMXVI4GER8, PMXVI4GER8PP, PMXVI8GER4,
        PMXVI8GER4PP, PMXVI8GER4SPP, XVBF16GER2, XVBF16GER2NN, XVBF16GER2NP,
        XVBF16GER2PN, XVBF16GER2PP, XVCVBF16SP, XVCVSPBF16, XVF16GER2,
        XVF16GER2NN, XVF16GER2NP, XVF16GER2PN, XVF16GER2PP, XVF32GER,
        XVF32GERNN, XVF32GERNP, XVF32GERPN, XVF32GERPP, XVF64GER, XVF64GERNN,
        XVF64GERNP, XVF64GERPN, XVF64GERPP, XVI16GER2, XVI16GER2PP, XVI16GER2S,
        XVI16GER2SPP, XVI4GER8, XVI4GER8PP, XVI8GER4, XVI8GER4PP, XVI8GER4SPP,
        XXMFACC, XXMTACC, XXSETACCZ): Add MMA built-ins.
        * config/rs6000/rs6000.c (rs6000_emit_move): Use CONST_INT_P.
        Allow zero constants.
        (print_operand) <case 'A'>: New output modifier.
        (rs6000_split_multireg_move): Add support for inserting accumulator
        priming and depriming instructions.  Add support for splitting an
        assemble accumulator pattern.
        * config/rs6000/rs6000-call.c (mma_init_builtins, mma_expand_builtin,
        rs6000_gimple_fold_mma_builtin): New functions.
        (RS6000_BUILTIN_M): New macro.
        (def_builtin): Handle RS6000_BTC_QUAD and RS6000_BTC_PAIR attributes.
        (bdesc_mma): Add new MMA built-in support.
        (htm_expand_builtin): Use RS6000_BTC_OPND_MASK.
        (rs6000_invalid_builtin): Add handling of RS6000_BTM_FUTURE and
        RS6000_BTM_MMA.
        (rs6000_builtin_valid_without_lhs): Handle RS6000_BTC_VOID attribute.
        (rs6000_gimple_fold_builtin): Call rs6000_builtin_is_supported_p
        and rs6000_gimple_fold_mma_builtin.
        (rs6000_expand_builtin): Call mma_expand_builtin.
        Use RS6000_BTC_OPND_MASK.
        (rs6000_init_builtins): Adjust comment.  Call mma_init_builtins.
        (htm_init_builtins): Use RS6000_BTC_OPND_MASK.
        (builtin_function_type): Handle VSX_BUILTIN_XVCVSPBF16 and
        VSX_BUILTIN_XVCVBF16SP.
        * config/rs6000/rs6000.h (RS6000_BTC_QUINARY, RS6000_BTC_SENARY,
        RS6000_BTC_OPND_MASK, RS6000_BTC_QUAD, RS6000_BTC_PAIR,
        RS6000_BTC_QUADPAIR, RS6000_BTC_GIMPLE): New defines.
        (RS6000_BTC_PREDICATE, RS6000_BTC_ABS, RS6000_BTC_DST,
        RS6000_BTC_TYPE_MASK, RS6000_BTC_ATTR_MASK): Adjust values.
        * config/rs6000/mma.md (MAX_MMA_OPERANDS): New define_constant.
        (UNSPEC_MMA_ASSEMBLE_ACC, UNSPEC_MMA_PMXVBF16GER2,
        UNSPEC_MMA_PMXVBF16GER2NN, UNSPEC_MMA_PMXVBF16GER2NP,
        UNSPEC_MMA_PMXVBF16GER2PN, UNSPEC_MMA_PMXVBF16GER2PP,
        UNSPEC_MMA_PMXVF16GER2, UNSPEC_MMA_PMXVF16GER2NN,
        UNSPEC_MMA_PMXVF16GER2NP, UNSPEC_MMA_PMXVF16GER2PN,
        UNSPEC_MMA_PMXVF16GER2PP, UNSPEC_MMA_PMXVF32GER,
        UNSPEC_MMA_PMXVF32GERNN, UNSPEC_MMA_PMXVF32GERNP,
        UNSPEC_MMA_PMXVF32GERPN, UNSPEC_MMA_PMXVF32GERPP,
        UNSPEC_MMA_PMXVF64GER, UNSPEC_MMA_PMXVF64GERNN,
        UNSPEC_MMA_PMXVF64GERNP, UNSPEC_MMA_PMXVF64GERPN,
        UNSPEC_MMA_PMXVF64GERPP, UNSPEC_MMA_PMXVI16GER2,
        UNSPEC_MMA_PMXVI16GER2PP, UNSPEC_MMA_PMXVI16GER2S,
        UNSPEC_MMA_PMXVI16GER2SPP, UNSPEC_MMA_PMXVI4GER8,
        UNSPEC_MMA_PMXVI4GER8PP, UNSPEC_MMA_PMXVI8GER4,
        UNSPEC_MMA_PMXVI8GER4PP, UNSPEC_MMA_PMXVI8GER4SPP,
        UNSPEC_MMA_XVBF16GER2, UNSPEC_MMA_XVBF16GER2NN,
        UNSPEC_MMA_XVBF16GER2NP, UNSPEC_MMA_XVBF16GER2PN,
        UNSPEC_MMA_XVBF16GER2PP, UNSPEC_MMA_XVF16GER2, UNSPEC_MMA_XVF16GER2NN,
        UNSPEC_MMA_XVF16GER2NP, UNSPEC_MMA_XVF16GER2PN, UNSPEC_MMA_XVF16GER2PP,
        UNSPEC_MMA_XVF32GER, UNSPEC_MMA_XVF32GERNN, UNSPEC_MMA_XVF32GERNP,
        UNSPEC_MMA_XVF32GERPN, UNSPEC_MMA_XVF32GERPP, UNSPEC_MMA_XVF64GER,
        UNSPEC_MMA_XVF64GERNN, UNSPEC_MMA_XVF64GERNP, UNSPEC_MMA_XVF64GERPN,
        UNSPEC_MMA_XVF64GERPP, UNSPEC_MMA_XVI16GER2, UNSPEC_MMA_XVI16GER2PP,
        UNSPEC_MMA_XVI16GER2S, UNSPEC_MMA_XVI16GER2SPP, UNSPEC_MMA_XVI4GER8,
        UNSPEC_MMA_XVI4GER8PP, UNSPEC_MMA_XVI8GER4, UNSPEC_MMA_XVI8GER4PP,
        UNSPEC_MMA_XVI8GER4SPP, UNSPEC_MMA_XXMFACC, UNSPEC_MMA_XXMTACC): New.
        (MMA_ACC, MMA_VV, MMA_AVV, MMA_PV, MMA_APV, MMA_VVI4I4I8,
        MMA_AVVI4I4I8, MMA_VVI4I4I2, MMA_AVVI4I4I2, MMA_VVI4I4,
        MMA_AVVI4I4, MMA_PVI4I2, MMA_APVI4I2, MMA_VVI4I4I4,
        MMA_AVVI4I4I4): New define_int_iterator.
        (acc, vv, avv, pv, apv, vvi4i4i8, avvi4i4i8, vvi4i4i2,
        avvi4i4i2, vvi4i4, avvi4i4, pvi4i2, apvi4i2, vvi4i4i4,
        avvi4i4i4): New define_int_attr.
        (*movpxi): Add zero constant alternative.
        (mma_assemble_pair, mma_assemble_acc): New define_expand.
        (*mma_assemble_acc): New define_insn_and_split.
        (mma_<acc>, mma_xxsetaccz, mma_<vv>, mma_<avv>, mma_<pv>, mma_<apv>,
        mma_<vvi4i4i8>, mma_<avvi4i4i8>, mma_<vvi4i4i2>, mma_<avvi4i4i2>,
        mma_<vvi4i4>, mma_<avvi4i4>, mma_<pvi4i2>, mma_<apvi4i2>,
        mma_<vvi4i4i4>, mma_<avvi4i4i4>): New define_insn.
        * config/rs6000/rs6000.md (define_attr "type"): New type mma.
        * config/rs6000/vsx.md (UNSPEC_VSX_XVCVBF16SP): New.
        (UNSPEC_VSX_XVCVSPBF16): Likewise.
        (XVCVBF16): New define_int_iterator.
        (xvcvbf16): New define_int_attr.
        (vsx_<xvcvbf16>): New define_insn.
        * doc/extend.texi: Document the mma built-ins.

2020-06-21  Peter Bergner  <bergner@linux.ibm.com>
            Michael Meissner  <meissner@linux.ibm.com>

        * config/rs6000/mma.md: New file.
        * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
        __MMA__ for mma.
        * config/rs6000/rs6000-call.c (rs6000_init_builtins): Add support
        for __vector_pair and __vector_quad types.
        * config/rs6000/rs6000-cpus.def (OTHER_FUTURE_MASKS): Add
        OPTION_MASK_MMA.
        (POWERPC_MASKS): Likewise.
        * config/rs6000/rs6000-modes.def (OI, XI): New integer modes.
        (POI, PXI): New partial integer modes.
        * config/rs6000/rs6000.c (TARGET_INVALID_CONVERSION): Define.
        (rs6000_hard_regno_nregs_internal): Use VECTOR_ALIGNMENT_P.
        (rs6000_hard_regno_mode_ok_uncached): Likewise.
        Add support for POImode being allowed in VSX registers and PXImode
        being allowed in FP registers.
        (rs6000_modes_tieable_p): Adjust comment.
        Add support for POImode and PXImode.
        (rs6000_debug_reg_global) <print_tieable_modes>: Add OImode, POImode
        XImode, PXImode, V2SImode, V2SFmode and CCFPmode..
        (rs6000_setup_reg_addr_masks): Use VECTOR_ALIGNMENT_P.
        Set up appropriate addr_masks for vector pair and vector quad addresses.
        (rs6000_init_hard_regno_mode_ok): Add support for vector pair and
        vector quad registers.  Setup reload handlers for POImode and PXImode.
        (rs6000_builtin_mask_calculate): Add support for RS6000_BTM_MMA.
        (rs6000_option_override_internal): Error if -mmma is specified
        without -mcpu=future.
        (rs6000_slow_unaligned_access): Use VECTOR_ALIGNMENT_P.
        (quad_address_p): Change size test to less than 16 bytes.
        (reg_offset_addressing_ok_p): Add support for ISA 3.1 vector pair
        and vector quad instructions.
        (avoiding_indexed_address_p): Likewise.
        (rs6000_emit_move): Disallow POImode and PXImode moves involving
        constants.
        (rs6000_preferred_reload_class): Prefer VSX registers for POImode
        and FP registers for PXImode.
        (rs6000_split_multireg_move): Support splitting POImode and PXImode
        move instructions.
        (rs6000_mangle_type): Adjust comment.  Add support for mangling
        __vector_pair and __vector_quad types.
        (rs6000_opt_masks): Add entry for mma.
        (rs6000_builtin_mask_names): Add RS6000_BTM_MMA and RS6000_BTM_FUTURE.
        (rs6000_function_value): Use VECTOR_ALIGNMENT_P.
        (address_to_insn_form): Likewise.
        (reg_to_non_prefixed): Likewise.
        (rs6000_invalid_conversion): New function.
        * config/rs6000/rs6000.h (MASK_MMA): Define.
        (BIGGEST_ALIGNMENT): Set to 512 if MMA support is enabled.
        (VECTOR_ALIGNMENT_P): New helper macro.
        (ALTIVEC_VECTOR_MODE): Use VECTOR_ALIGNMENT_P.
        (RS6000_BTM_MMA): Define.
        (RS6000_BTM_COMMON): Add RS6000_BTM_MMA and RS6000_BTM_FUTURE.
        (rs6000_builtin_type_index): Add RS6000_BTI_vector_pair and
        RS6000_BTI_vector_quad.
        (vector_pair_type_node): New.
        (vector_quad_type_node): New.
        * config/rs6000/rs6000.md: Include mma.md.
        (define_mode_iterator RELOAD): Add POI and PXI.
        * config/rs6000/t-rs6000 (MD_INCLUDES): Add mma.md.
        * config/rs6000/rs6000.opt (-mmma): New.
        * doc/invoke.texi: Document -mmma.

2020-06-20  Bin Cheng  <bin.cheng@linux.alibaba.com>

        PR tree-optimization/95638
        * tree-loop-distribution.c (pg_edge_callback_data): New field.
        (loop_distribution::break_alias_scc_partitions): Record and restore
        postorder information.  Fix memory leak.

2020-06-19  Tobias Burnus  <tobias@codesourcery.com>

        * config/gcn/gcn.c (gcn_related_vector_mode): Add ARG_UNUSED.
        (output_file_start): Use const 'char *'.

2020-06-19  Przemyslaw Wirkus  <Przemyslaw.Wirkus@arm.com>

        PR tree-optimization/94880
        * match.pd (A | B) - B -> (A & ~B): New simplification.

2020-06-19  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_bb_slp_scalar_cost): Adjust
        for lane permutations.

2020-06-19  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95761
        * tree-vect-slp.c (vect_schedule_slp_instance): Walk all
        vectorized stmts for finding the last one.

2020-06-18  Felix Yang  <felix.yang@huawei.com>

        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Call
        vect_relevant_for_alignment_p to filter out data references in
        the loop whose alignment is irrelevant when trying loop peeling
        to force alignment.

2020-06-18  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*cmpqi_ext<mode>_1): Use SWI248 mode
        iterator instead of SImode for ZERO_EXTRACT RTX.  Use SWI248
        mode iterator for the first operand of ZERO_EXTRACT RTX.
        Change ext_register_operand predicate to register_operand.
        Rename from *cmpqi_ext_1.
        (*cmpqi_ext<mode>_2): Ditto.  Rename from *cmpqi_ext_2.
        (*cmpqi_ext<mode>_3): Ditto.  Rename from *cmpqi_ext_3.
        (*cmpqi_ext<mode>_4): Ditto.  Rename from *cmpqi_ext_4.
        (cmpi_ext_3): Use HImode instead of SImode for ZERO_EXTRACT RTX.
        (*extv<mode>): Use SWI24 mode iterator for the first operand
        of ZERO_EXTRACT RTX.  Change ext_register_operand predicate
        to register_operand.
        (*extzv<mode>): Use SWI248 mode iterator for the first operand
        of ZERO_EXTRACT RTX.  Change ext_register_operand predicate
        to register_operand.
        (*extzvqi): Use SWI248 mode iterator instead of SImode for
        ZERO_EXTRACT RTX.  Use SWI248 mode iterator for the first operand
        of ZERO_EXTRACT RTX.  Change ext_register_operand predicate to
        register_operand.
        (*extzvqi_mem_rex64 and corresponding peephole2):  Use SWI248 mode
        iterator instead of SImode for ZERO_EXTRACT RTX.  Use SWI248
        mode iterator for the first operand of ZERO_EXTRACT RTX.
        Change ext_register_operand predicate to register_operand.
        (@insv<mode>_1): Use SWI248 mode iterator for the first operand
        of ZERO_EXTRACT RTX.  Change ext_register_operand predicate to
        register_operand.
        (*insvqi_1): Use SWI248 mode iterator instead of SImode
        for ZERO_EXTRACT RTX.  Use SWI248 mode iterator for the
        first operand of ZERO_EXTRACT RTX.  Change ext_register_operand
        predicate to register_operand.
        (*insvqi_2): Ditto.
        (*insvqi_3): Ditto.
        (*insvqi_1_mem_rex64 and corresponding peephole2):  Use SWI248 mode
        iterator instead of SImode for ZERO_EXTRACT RTX.  Use SWI248
        mode iterator for the first operand of ZERO_EXTRACT RTX.
        Change ext_register_operand predicate to register_operand.
        (addqi_ext_1): New expander.
        (*addqi_ext<mode>_1): Use SWI248 mode iterator instead of SImode
        for ZERO_EXTRACT RTX.  Use SWI248 mode iterator for the first
        operand of ZERO_EXTRACT RTX.  Change ext_register_operand predicate
        to register_operand.  Rename from *addqi_ext_1.
        (*addqi_ext<mode>_2): Ditto. Rename from *addqi_ext_2.
        (divmodqi4): Use HImode instead of SImode for ZERO_EXTRACT RTX.
        (udivmodqi4): Ditto.
        (testqi_ext_1): Use HImode instead of SImode for ZERO_EXTRACT RTX.
        (*testqi_ext<mode>_1): Use SWI248 mode iterator instead of SImode
        for ZERO_EXTRACT RTX.  Use SWI248 mode iterator for the first
        operand of ZERO_EXTRACT RTX.  Change ext_register_operand predicate
        to register_operand.  Rename from *testqi_ext_1.
        (*testqi_ext<mode>_2): Ditto.  Rename from *testqi_ext_2.
        (andqi_ext_1): New expander.
        (*andqi_ext<mode>_1): Use SWI248 mode iterator instead of SImode
        for ZERO_EXTRACT RTX.  Use SWI248 mode iterator for the first
        operand of ZERO_EXTRACT RTX.  Change ext_register_operand predicate
        to register_operand.  Rename from andqi_ext_1.
        (*andqi_ext<mode>_1_cc): Ditto.  Rename from *andqi_ext_1_cc.
        (*andqi_ext<mode>_2): Ditto.  Rename from *andqi_ext_2.
        (*<code>qi_ext<mode>_1): Ditto.  Rename from *<code>qi_ext_1.
        (*<code>qi_ext<mode>_2): Ditto.  Rename from *<code>qi_ext_2.
        (xorqi_ext_1_cc): Use HImode instead of SImode for ZERO_EXTRACT RTX.
        (*xorqi_ext<mode>_1_cc):  Use SWI248 mode iterator instead of SImode
        for ZERO_EXTRACT RTX.  Use SWI248 mode iterator for the first
        operand of ZERO_EXTRACT RTX.  Change ext_register_operand predicate
        to register_operand.  Rename from *xorqi_ext_1_cc.
        * config/i386/i386-expand.c (ix86_split_idivmod): Emit ZERO_EXTRACT
        in mode, matching its first operand.
        (promote_duplicated_reg): Update for renamed insv<mode>_1.
        * config/i386/predicates.md (ext_register_operand): Remove predicate.

2020-06-18  Martin Sebor  <msebor@redhat.com>

        PR middle-end/95667
        PR middle-end/92814
        * builtins.c (compute_objsize): Remove call to
        compute_builtin_object_size and instead compute conservative sizes
        directly here.

2020-06-18  Martin Liska  <mliska@suse.cz>

        * coretypes.h (struct iterator_range): New type.
        * tree-vect-patterns.c (vect_determine_precisions): Use
        range-based iterator.
        (vect_pattern_recog): Likewise.
        * tree-vect-slp.c (_bb_vec_info):  Likewise.
        (_bb_vec_info::~_bb_vec_info): Likewise.
        (vect_slp_check_for_constructors): Likewise.
        * tree-vectorizer.h:Add new iterators
        and functions that use it.

2020-06-18  Martin Liska  <mliska@suse.cz>

        * config/rs6000/rs6000-call.c (fold_build_vec_cmp):
        Since 502d63b6d6141597bb18fd23c87736a1b384cf8f, first argument
        of a VEC_COND_EXPR cannot be tcc_comparison and so that
        a SSA_NAME needs to be created before we use it for the first
        argument of the VEC_COND_EXPR.
        (fold_compare_helper): Pass gsi to fold_build_vec_cmp.

2020-06-18  Richard Biener  <rguenther@suse.de>

        PR middle-end/95739
        * internal-fn.c (expand_vect_cond_optab_fn): Move the result
        to the target if necessary.
        (expand_vect_cond_mask_optab_fn): Likewise.

2020-06-18  Martin Liska  <mliska@suse.cz>

        * tree-ssa-reassoc.c (ovce_extract_ops): Replace *vcond with
        vcond as we check for NULL pointer.

2020-06-18  Tobias Burnus  <tobias@codesourcery.com>

        * gimple-pretty-print.c (dump_binary_rhs): Use braces to
        silence empty-body warning with gcc_fallthrough.

2020-06-18  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/95699
        * tree-ssa-phiopt.c (minmax_replacement): Treat (signed int)x < 0
        as x > INT_MAX and (signed int)x >= 0 as x <= INT_MAX.  Move variable
        declarations to the statements that set them where possible.

2020-06-18  Jakub Jelinek  <jakub@redhat.com>

        PR target/95713
        * tree-ssa-forwprop.c (simplify_vector_constructor): Don't allow
        scalar mode halfvectype other than vector boolean for
        VEC_PACK_TRUNC_EXPR.

2020-06-18  Richard Biener  <rguenther@suse.de>

        * varasm.c (assemble_variable): Make sure to not
        defer output when outputting addressed constants.
        (output_constant_def_contents): Likewise.
        (add_constant_to_table): Take and pass on whether to
        defer output.
        (output_addressed_constants): Likewise.
        (output_constant_def): Pass on whether to defer output
        to add_constant_to_table.
        (tree_output_constant_def): Defer output of constants.

2020-06-18  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (_slp_tree::two_operators): Remove.
        (_slp_tree::lane_permutation): New member.
        (_slp_tree::code): Likewise.
        (SLP_TREE_TWO_OPERATORS): Remove.
        (SLP_TREE_LANE_PERMUTATION): New.
        (SLP_TREE_CODE): Likewise.
        (vect_stmt_dominates_stmt_p): Declare.
        * tree-vectorizer.c (vect_stmt_dominates_stmt_p): New function.
        * tree-vect-stmts.c (vect_model_simple_cost): Remove
        SLP_TREE_TWO_OPERATORS handling.
        * tree-vect-slp.c (_slp_tree::_slp_tree): Amend.
        (_slp_tree::~_slp_tree): Likewise.
        (vect_two_operations_perm_ok_p): Remove.
        (vect_build_slp_tree_1): Remove verification of two-operator
        permutation here.
        (vect_build_slp_tree_2): When we have two different operators
        build two computation SLP nodes and a blend.
        (vect_print_slp_tree): Print the lane permutation if it exists.
        (slp_copy_subtree): Copy it.
        (vect_slp_rearrange_stmts): Re-arrange it.
        (vect_slp_analyze_node_operations_1): Handle SLP_TREE_CODE
        VEC_PERM_EXPR explicitely.
        (vect_schedule_slp_instance): Likewise.  Remove old
        SLP_TREE_TWO_OPERATORS code.
        (vectorizable_slp_permutation): New function.

2020-06-18  Martin Liska  <mliska@suse.cz>

        * tree-vect-generic.c (expand_vector_condition): Check
        for gassign before inspecting RHS.

2020-06-17  Thomas Schwinge  <thomas@codesourcery.com>

        * gimplify.c (omp_notice_threadprivate_variable)
        (omp_default_clause, omp_notice_variable): 'inform' after 'error'
        diagnostic.  Adjust all users.

2020-06-17  Thomas Schwinge  <thomas@codesourcery.com>

        * hsa-gen.c (gen_hsa_insns_for_call): Move 'function_decl ==
        NULL_TREE' check earlier.

2020-06-17  Forrest Timour  <forrest.timour@gmail.com>

        * doc/extend.texi (attribute access): Fix a typo.

2020-06-17  Bin Cheng  <bin.cheng@linux.alibaba.com>
            Kaipeng Zhou  <zhoukaipeng3@huawei.com>

        PR tree-optimization/95199
        * tree-vect-stmts.c: Eliminate common stmts for bump and offset in
        strided load/store operations and remove redundant code.

2020-06-17  Richard Sandiford  <richard.sandiford@arm.com>

        * coretypes.h (first_type): New alias template.
        * recog.h (insn_gen_fn::operator()): Use it instead of a decltype.
        Remove spurious “...” and split the function type out into a typedef.

2020-06-17  Andreas Krebbel  <krebbel@linux.ibm.com>

        * config/s390/s390.c (s390_fix_long_loop_prediction): Exit early
        for PARALLELs.

2020-06-17  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_build_slp_tree_1): Set the passed
        in *vectype parameter.
        (vect_build_slp_tree_2): Set SLP_TREE_VECTYPE from what
        vect_build_slp_tree_1 computed.
        (vect_analyze_slp_instance): Set SLP_TREE_VECTYPE.
        (vect_slp_analyze_node_operations_1): Use the SLP node vector type.
        (vect_schedule_slp_instance): Likewise.
        * tree-vect-stmts.c (vect_is_simple_use): Take the vector type
        from SLP_TREE_VECTYPE.

2020-06-17  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95717
        * tree-vect-loop-manip.c (slpeel_tree_duplicate_loop_to_edge_cfg):
        Move BB SSA updating before exit/latch PHI current def copying.

2020-06-17  Martin Liska  <mliska@suse.cz>

        * Makefile.in: Add new file.
        * expr.c (expand_expr_real_2): Add gcc_unreachable as we should
        not meet this condition.
        (do_store_flag): Likewise.
        * gimplify.c (gimplify_expr): Gimplify first argument of
        VEC_COND_EXPR to be a SSA name.
        * internal-fn.c (vec_cond_mask_direct): New.
        (vec_cond_direct): Likewise.
        (vec_condu_direct): Likewise.
        (vec_condeq_direct): Likewise.
        (expand_vect_cond_optab_fn):  New.
        (expand_vec_cond_optab_fn): Likewise.
        (expand_vec_condu_optab_fn): Likewise.
        (expand_vec_condeq_optab_fn): Likewise.
        (expand_vect_cond_mask_optab_fn): Likewise.
        (expand_vec_cond_mask_optab_fn): Likewise.
        (direct_vec_cond_mask_optab_supported_p): Likewise.
        (direct_vec_cond_optab_supported_p): Likewise.
        (direct_vec_condu_optab_supported_p): Likewise.
        (direct_vec_condeq_optab_supported_p): Likewise.
        * internal-fn.def (VCOND): New OPTAB.
        (VCONDU): Likewise.
        (VCONDEQ): Likewise.
        (VCOND_MASK): Likewise.
        * optabs.c (get_rtx_code): Make it global.
        (expand_vec_cond_mask_expr): Removed.
        (expand_vec_cond_expr): Removed.
        * optabs.h (expand_vec_cond_expr): Likewise.
        (vector_compare_rtx): Make it global.
        * passes.def: Add new pass_gimple_isel pass.
        * tree-cfg.c (verify_gimple_assign_ternary): Add check
        for VEC_COND_EXPR about first argument.
        * tree-pass.h (make_pass_gimple_isel): New.
        * tree-ssa-forwprop.c (pass_forwprop::execute): Prevent
        propagation of the first argument of a VEC_COND_EXPR.
        * tree-ssa-reassoc.c (ovce_extract_ops): Support SSA_NAME as
        first argument of a VEC_COND_EXPR.
        (optimize_vec_cond_expr): Likewise.
        * tree-vect-generic.c (expand_vector_divmod): Make SSA_NAME
        for a first argument of created VEC_COND_EXPR.
        (expand_vector_condition): Fix coding style.
        * tree-vect-stmts.c (vectorizable_condition): Gimplify
        first argument.
        * gimple-isel.cc: New file.

2020-06-17  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-hsa.h (TEXT_SECTION_ASM_OP): Use ".text".
        (BSS_SECTION_ASM_OP): Use ".bss".
        (ASM_SPEC): Remove "-mattr=-code-object-v3".
        (LINK_SPEC): Add "--export-dynamic".
        * config/gcn/gcn-opts.h (processor_type): Replace PROCESSOR_VEGA with
        PROCESSOR_VEGA10 and PROCESSOR_VEGA20.
        * config/gcn/gcn-run.c (HSA_RUNTIME_LIB): Use ".so.1" variant.
        (load_image): Remove obsolete relocation handling.
        Add ".kd" suffix to the symbol names.
        * config/gcn/gcn.c (MAX_NORMAL_SGPR_COUNT): Set to 62.
        (gcn_option_override): Update gcn_isa test.
        (gcn_kernel_arg_types): Update all the assembler directives.
        Remove the obsolete options.
        (gcn_conditional_register_usage): Update MAX_NORMAL_SGPR_COUNT usage.
        (gcn_omp_device_kind_arch_isa): Handle PROCESSOR_VEGA10 and
        PROCESSOR_VEGA20.
        (output_file_start): Rework assembler file header.
        (gcn_hsa_declare_function_name): Rework kernel metadata.
        * config/gcn/gcn.h (GCN_KERNEL_ARG_TYPES): Set to 16.
        * config/gcn/gcn.opt (PROCESSOR_VEGA): Remove enum.
        (PROCESSOR_VEGA10): New enum value.
        (PROCESSOR_VEGA20): New enum value.

2020-06-17  Martin Liska  <mliska@suse.cz>

        * gcov-dump.c (print_version): Collapse lisence header to 2 lines
        in --version.
        * gcov-tool.c (print_version): Likewise.
        * gcov.c (print_version): Likewise.

2020-06-17  liuhongt  <hongtao.liu@intel.com>

        PR target/95524
        * config/i386/i386-expand.c
        (ix86_expand_vec_shift_qihi_constant): New function.
        * config/i386/i386-protos.h
        (ix86_expand_vec_shift_qihi_constant): Declare.
        * config/i386/sse.md (<shift_insn><mode>3): Optimize shift
        V*QImode by constant.

2020-06-16  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/95649
        * tree-ssa-propagate.c (propagate_into_phi_args): Do not propagate unless
        value is a constant.

2020-06-16  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>

        * config.in: Regenerate.
        * config/s390/s390.c (print_operand): Emit vector alignment hints
        for target z13, if AS accepts them.  For other targets the logic
        stays the same.
        * config/s390/s390.h (TARGET_VECTOR_LOADSTORE_ALIGNMENT_HINTS): Define
        macro.
        * configure: Regenerate.
        * configure.ac: Check HAVE_AS_VECTOR_LOADSTORE_ALIGNMENT_HINTS_ON_Z13.

2020-06-16  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm_mve.h (__arm_vaddq_m_n_s8): Correct the intrinsic
        arguments.
        (__arm_vaddq_m_n_s32): Likewise.
        (__arm_vaddq_m_n_s16): Likewise.
        (__arm_vaddq_m_n_u8): Likewise.
        (__arm_vaddq_m_n_u32): Likewise.
        (__arm_vaddq_m_n_u16): Likewise.
        (__arm_vaddq_m): Modify polymorphic variant.

2020-06-16  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/mve.md (mve_uqrshll_sat<supf>_di): Correct the predicate
        and constraint of all the operands.
        (mve_sqrshrl_sat<supf>_di): Likewise.
        (mve_uqrshl_si): Likewise.
        (mve_sqrshr_si): Likewise.
        (mve_uqshll_di): Likewise.
        (mve_urshrl_di): Likewise.
        (mve_uqshl_si): Likewise.
        (mve_urshr_si): Likewise.
        (mve_sqshl_si): Likewise.
        (mve_srshr_si): Likewise.
        (mve_srshrl_di): Likewise.
        (mve_sqshll_di): Likewise.
        * config/arm/predicates.md (arm_low_register_operand): Define.

2020-06-16  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (OMP_FOR_NON_RECTANGULAR): Define.
        * gimplify.c (gimplify_omp_for): Diagnose schedule, ordered
        or dist_schedule clause on non-rectangular loops.  Handle
        gimplification of non-rectangular lb/b expressions.  When changing
        iteration variable, adjust also non-rectangular lb/b expressions
        referencing that.
        * omp-general.h (struct omp_for_data_loop): Add m1, m2 and outer
        members.
        (struct omp_for_data): Add non_rect member.
        * omp-general.c (omp_extract_for_data): Handle non-rectangular
        loops.  Fill in non_rect, m1, m2 and outer.
        * omp-low.c (lower_omp_for): Handle non-rectangular lb/b expressions.
        * omp-expand.c (expand_omp_for): Emit sorry_at for unsupported
        non-rectangular loop cases and assert for cases that can't be
        non-rectangular.
        * tree-pretty-print.c (dump_mem_ref): Formatting fix.
        (dump_omp_loop_non_rect_expr): New function.
        (dump_generic_node): Handle non-rectangular OpenMP loops.
        * tree-pretty-print.h (dump_omp_loop_non_rect_expr): Declare.
        * gimple-pretty-print.c (dump_gimple_omp_for): Handle non-rectangular
        OpenMP loops.

2020-06-16  Richard Biener  <rguenther@suse.de>

        PR middle-end/95690
        * varasm.c (build_constant_desc): Remove set_mem_attributes call.

2020-06-16  Kito Cheng  <kito.cheng@sifive.com>

        PR target/95683
        * config/riscv/riscv.c (riscv_gpr_save_operation_p): Remove
        assertion and turn it into a early exit check.

2020-06-15  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_init_constructor) <AGGREGATE_TYPE>: Declare
        new ENSURE_SINGLE_ACCESS constant and move variables down.  If it is
        true and all elements are zero, then always clear.  Return GS_ERROR
        if a temporary would be created for it and NOTIFY_TEMP_CREATION set.
        (gimplify_modify_expr_rhs) <VAR_DECL>: If the target is volatile but
        the type is aggregate non-addressable, ask gimplify_init_constructor
        whether it can generate a single access to the target.

2020-06-15  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-sra.c (propagate_subaccesses_from_rhs): When a non-scalar
        access on the LHS is replaced with a scalar access, propagate the
        TYPE_REVERSE_STORAGE_ORDER flag of the type of the original access.

2020-06-15  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/xtensa.c (TARGET_HAVE_TLS): Remove
        TARGET_THREADPTR reference.
        (xtensa_tls_symbol_p, xtensa_tls_referenced_p): Use
        targetm.have_tls instead of TARGET_HAVE_TLS.
        (xtensa_option_override): Set targetm.have_tls to false in
        configurations without THREADPTR.

2020-06-15  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/elf.h (ASM_SPEC, LINK_SPEC): Pass ABI switch to
        assembler/linker.
        * config/xtensa/linux.h (ASM_SPEC, LINK_SPEC): Ditto.
        * config/xtensa/uclinux.h (ASM_SPEC, LINK_SPEC): Ditto.
        * config/xtensa/xtensa.c (xtensa_option_override): Initialize
        xtensa_windowed_abi if needed.
        * config/xtensa/xtensa.h (TARGET_WINDOWED_ABI_DEFAULT): New
        macro.
        (TARGET_WINDOWED_ABI): Redefine to xtensa_windowed_abi.
        * config/xtensa/xtensa.opt (xtensa_windowed_abi): New target
        option variable.
        (mabi=call0, mabi=windowed): New options.
        * doc/invoke.texi: Document new -mabi= Xtensa-specific options.

2020-06-15  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/xtensa.c (xtensa_can_eliminate): New function.
        (TARGET_CAN_ELIMINATE): New macro.
        * config/xtensa/xtensa.h
        (XTENSA_WINDOWED_HARD_FRAME_POINTER_REGNUM)
        (XTENSA_CALL0_HARD_FRAME_POINTER_REGNUM): New macros.
        (HARD_FRAME_POINTER_REGNUM): Define using
        XTENSA_*_HARD_FRAME_POINTER_REGNUM.
        (ELIMINABLE_REGS): Replace lines with HARD_FRAME_POINTER_REGNUM
        by lines with XTENSA_WINDOWED_HARD_FRAME_POINTER_REGNUM and
        XTENSA_CALL0_HARD_FRAME_POINTER_REGNUM.

2020-06-15  Felix Yang  <felix.yang@huawei.com>

        * tree-vect-data-refs.c (vect_verify_datarefs_alignment): Rename
        parameter to loop_vinfo and update uses.  Use LOOP_VINFO_DATAREFS
        when possible.
        (vect_analyze_data_refs_alignment): Likewise, and use LOOP_VINFO_DDRS
        when possible.
        * tree-vect-loop.c (vect_dissolve_slp_only_groups): Use
        LOOP_VINFO_DATAREFS when possible.
        (update_epilogue_loop_vinfo): Likewise.

2020-06-15  Kito Cheng  <kito.cheng@sifive.com>

        * config/riscv/riscv.c (riscv_gen_gpr_save_insn): Change type to
        unsigned for i.
        (riscv_gpr_save_operation_p): Change type to unsigned for i and
        len.

2020-06-15   Hongtao Liu  <hongtao.liu@intel.com>

        PR target/95488
        * config/i386/i386-expand.c (ix86_expand_vecmul_qihi): New
        function.
        * config/i386/i386-protos.h (ix86_expand_vecmul_qihi): Declare.
        * config/i386/sse.md (mul<mode>3): Drop mask_name since
        there's no real simd int8 multiplication instruction with
        mask. Also optimize it under TARGET_AVX512BW.
        (mulv8qi3): New expander.

2020-06-12  Marco Elver  <elver@google.com>

        * gimplify.c (gimplify_function_tree): Optimize and do not emit
        IFN_TSAN_FUNC_EXIT in a finally block if we do not need it.
        * params.opt: Add --param=tsan-instrument-func-entry-exit=.
        * tsan.c (instrument_memory_accesses): Make
        fentry_exit_instrument bool depend on new param.

2020-06-12  Felix Yang  <felix.yang@huawei.com>

        PR tree-optimization/95570
        * tree-vect-data-refs.c (vect_relevant_for_alignment_p): New function.
        (vect_verify_datarefs_alignment): Call it to filter out data references
        in the loop whose alignment is irrelevant.
        (vect_get_peeling_costs_all_drs): Likewise.
        (vect_peeling_supportable): Likewise.
        (vect_enhance_data_refs_alignment): Likewise.

2020-06-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95633
        * tree-vect-stmts.c (vectorizable_condition): Properly
        guard the vec_else_clause access with EXTRACT_LAST_REDUCTION.

2020-06-12  Martin Liška  <mliska@suse.cz>

        * cgraphunit.c (process_symver_attribute): Wrap weakref keyword.
        * dbgcnt.c (dbg_cnt_set_limit_by_index): Do not print extra new
        line.
        * lto-wrapper.c (merge_and_complain): Wrap option names.

2020-06-12  Kewen Lin  <linkw@gcc.gnu.org>

        * tree-vect-loop-manip.c (vect_set_loop_controls_directly): Rename
        LOOP_VINFO_MASK_COMPARE_TYPE to LOOP_VINFO_RGROUP_COMPARE_TYPE.  Rename
        LOOP_VINFO_MASK_IV_TYPE to LOOP_VINFO_RGROUP_IV_TYPE.
        (vect_set_loop_condition_masked): Renamed to ...
        (vect_set_loop_condition_partial_vectors): ... this.  Rename
        LOOP_VINFO_MASK_COMPARE_TYPE to LOOP_VINFO_RGROUP_COMPARE_TYPE.  Rename
        vect_iv_limit_for_full_masking to vect_iv_limit_for_partial_vectors.
        (vect_set_loop_condition_unmasked): Renamed to ...
        (vect_set_loop_condition_normal): ... this.
        (vect_set_loop_condition): Rename vect_set_loop_condition_unmasked to
        vect_set_loop_condition_normal.  Rename vect_set_loop_condition_masked
        to vect_set_loop_condition_partial_vectors.
        (vect_prepare_for_masked_peels): Rename LOOP_VINFO_MASK_COMPARE_TYPE
        to LOOP_VINFO_RGROUP_COMPARE_TYPE.
        * tree-vect-loop.c (vect_known_niters_smaller_than_vf): New, factored
        out from ...
        (vect_analyze_loop_costing): ... this.
        (_loop_vec_info::_loop_vec_info): Rename mask_compare_type to
        compare_type.
        (vect_min_prec_for_max_niters): New, factored out from ...
        (vect_verify_full_masking): ... this.  Rename
        vect_iv_limit_for_full_masking to vect_iv_limit_for_partial_vectors.
        Rename LOOP_VINFO_MASK_COMPARE_TYPE to LOOP_VINFO_RGROUP_COMPARE_TYPE.
        Rename LOOP_VINFO_MASK_IV_TYPE to LOOP_VINFO_RGROUP_IV_TYPE.
        (vectorizable_reduction): Update some dumpings with partial
        vectors instead of fully-masked.
        (vectorizable_live_operation): Likewise.
        (vect_iv_limit_for_full_masking): Renamed to ...
        (vect_iv_limit_for_partial_vectors): ... this.
        * tree-vect-stmts.c (check_load_store_masking): Renamed to ...
        (check_load_store_for_partial_vectors): ... this.  Update some
        dumpings with partial vectors instead of fully-masked.
        (vectorizable_store): Rename check_load_store_masking to
        check_load_store_for_partial_vectors.
        (vectorizable_load): Likewise.
        * tree-vectorizer.h (LOOP_VINFO_MASK_COMPARE_TYPE): Renamed to ...
        (LOOP_VINFO_RGROUP_COMPARE_TYPE): ... this.
        (LOOP_VINFO_MASK_IV_TYPE): Renamed to ...
        (LOOP_VINFO_RGROUP_IV_TYPE): ... this.
        (vect_iv_limit_for_full_masking): Renamed to ...
        (vect_iv_limit_for_partial_vectors): this.
        (_loop_vec_info): Rename mask_compare_type to rgroup_compare_type.
        Rename iv_type to rgroup_iv_type.

2020-06-12  Richard Sandiford  <richard.sandiford@arm.com>

        * recog.h (insn_gen_fn::f0, insn_gen_fn::f1, insn_gen_fn::f2)
        (insn_gen_fn::f3, insn_gen_fn::f4, insn_gen_fn::f5, insn_gen_fn::f6)
        (insn_gen_fn::f7, insn_gen_fn::f8, insn_gen_fn::f9, insn_gen_fn::f10)
        (insn_gen_fn::f11, insn_gen_fn::f12, insn_gen_fn::f13)
        (insn_gen_fn::f14, insn_gen_fn::f15, insn_gen_fn::f16): Delete.
        (insn_gen_fn::operator()): Replace overloaded definitions with
        a parameter-pack version.

2020-06-12  H.J. Lu  <hjl.tools@gmail.com>

        PR target/93492
        * config/i386/i386-features.c (rest_of_insert_endbranch):
        Renamed to ...
        (rest_of_insert_endbr_and_patchable_area): Change return type
        to void. Add need_endbr and patchable_area_size arguments.
        Don't call timevar_push nor timevar_pop.  Replace
        endbr_queued_at_entrance with insn_queued_at_entrance.  Insert
        UNSPECV_PATCHABLE_AREA for patchable area.
        (pass_data_insert_endbranch): Renamed to ...
        (pass_data_insert_endbr_and_patchable_area): This.  Change
        pass name to endbr_and_patchable_area.
        (pass_insert_endbranch): Renamed to ...
        (pass_insert_endbr_and_patchable_area): This.  Add need_endbr
        and patchable_area_size;.
        (pass_insert_endbr_and_patchable_area::gate): Set and check
        need_endbr and patchable_area_size.
        (pass_insert_endbr_and_patchable_area::execute): Call
        timevar_push and timevar_pop.  Pass need_endbr and
        patchable_area_size to rest_of_insert_endbr_and_patchable_area.
        (make_pass_insert_endbranch): Renamed to ...
        (make_pass_insert_endbr_and_patchable_area): This.
        * config/i386/i386-passes.def: Replace pass_insert_endbranch
        with pass_insert_endbr_and_patchable_area.
        * config/i386/i386-protos.h (ix86_output_patchable_area): New.
        (make_pass_insert_endbranch): Renamed to ...
        (make_pass_insert_endbr_and_patchable_area): This.
        * config/i386/i386.c (ix86_asm_output_function_label): Set
        function_label_emitted to true.
        (ix86_print_patchable_function_entry): New function.
        (ix86_output_patchable_area): Likewise.
        (x86_function_profiler): Replace endbr_queued_at_entrance with
        insn_queued_at_entrance.  Generate ENDBR only for TYPE_ENDBR.
        Call ix86_output_patchable_area to generate patchable area if
        needed.
        (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY): New.
        * config/i386/i386.h (queued_insn_type): New.
        (machine_function): Add function_label_emitted.  Replace
        endbr_queued_at_entrance with insn_queued_at_entrance.
        * config/i386/i386.md (UNSPECV_PATCHABLE_AREA): New.
        (patchable_area): New.

2020-06-11  Martin Liska  <mliska@suse.cz>

        * config/rs6000/rs6000.c (rs6000_density_test): Fix GNU coding
        style.

2020-06-11  Martin Liska  <mliska@suse.cz>

        PR target/95627
        * config/rs6000/rs6000.c (rs6000_density_test): Skip debug
        statements.

2020-06-11  Martin Liska  <mliska@suse.cz>
            Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/95634
        * asan.c (asan_emit_stack_protection): Fix emission for ilp32
        by using Pmode instead of ptr_mode.

2020-06-11  Kewen Lin  <linkw@gcc.gnu.org>

        * tree-vect-loop-manip.c (vect_set_loop_mask): Renamed to ...
        (vect_set_loop_control): ... this.
        (vect_maybe_permute_loop_masks): Rename rgroup_masks related things.
        (vect_set_loop_masks_directly): Renamed to ...
        (vect_set_loop_controls_directly): ... this.  Also rename some
        variables with ctrl instead of mask.  Rename vect_set_loop_mask to
        vect_set_loop_control.
        (vect_set_loop_condition_masked): Rename rgroup_masks related things.
        Also rename some variables with ctrl instead of mask.
        * tree-vect-loop.c (release_vec_loop_masks): Renamed to ...
        (release_vec_loop_controls): ... this.  Rename rgroup_masks related
        things.
        (_loop_vec_info::~_loop_vec_info): Rename release_vec_loop_masks to
        release_vec_loop_controls.
        (can_produce_all_loop_masks_p): Rename rgroup_masks related things.
        (vect_get_max_nscalars_per_iter): Likewise.
        (vect_estimate_min_profitable_iters): Likewise.
        (vect_record_loop_mask): Likewise.
        (vect_get_loop_mask): Likewise.
        * tree-vectorizer.h (struct rgroup_masks): Renamed to ...
        (struct rgroup_controls): ... this.  Also rename mask_type
        to type and rename masks to controls.

2020-06-11  Kewen Lin  <linkw@gcc.gnu.org>

        * tree-vect-loop-manip.c (vect_set_loop_condition): Rename
        LOOP_VINFO_FULLY_MASKED_P to LOOP_VINFO_USING_PARTIAL_VECTORS_P.
        (vect_gen_vector_loop_niters): Likewise.
        (vect_do_peeling): Likewise.
        * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Rename
        fully_masked_p to using_partial_vectors_p.
        (vect_analyze_loop_costing): Rename LOOP_VINFO_FULLY_MASKED_P to
        LOOP_VINFO_USING_PARTIAL_VECTORS_P.
        (determine_peel_for_niter): Likewise.
        (vect_estimate_min_profitable_iters): Likewise.
        (vect_transform_loop): Likewise.
        * tree-vectorizer.h (LOOP_VINFO_FULLY_MASKED_P): Updated.
        (LOOP_VINFO_USING_PARTIAL_VECTORS_P): New macro.

2020-06-11  Kewen Lin  <linkw@gcc.gnu.org>

        * tree-vect-loop.c (_loop_vec_info::_loop_vec_info): Rename
        can_fully_mask_p to can_use_partial_vectors_p.
        (vect_analyze_loop_2): Rename LOOP_VINFO_CAN_FULLY_MASK_P to
        LOOP_VINFO_CAN_USE_PARTIAL_VECTORS_P.  Rename saved_can_fully_mask_p
        to saved_can_use_partial_vectors_p.
        (vectorizable_reduction): Rename LOOP_VINFO_CAN_FULLY_MASK_P to
        LOOP_VINFO_CAN_USE_PARTIAL_VECTORS_P.
        (vectorizable_live_operation): Likewise.
        * tree-vect-stmts.c (permute_vec_elements): Likewise.
        (check_load_store_masking): Likewise.
        (vectorizable_operation): Likewise.
        (vectorizable_store): Likewise.
        (vectorizable_load): Likewise.
        (vectorizable_condition): Likewise.
        * tree-vectorizer.h (LOOP_VINFO_CAN_FULLY_MASK_P): Renamed to ...
        (LOOP_VINFO_CAN_USE_PARTIAL_VECTORS_P): ... this.
        (_loop_vec_info): Rename can_fully_mask_p to can_use_partial_vectors_p.

2020-06-11  Martin Liska  <mliska@suse.cz>

        * optc-save-gen.awk: Quote error string.

2020-06-11  Alexandre Oliva  <oliva@adacore.com>

        * print-rtl.c (print_mem_expr): Enable TDF_SLIM in dump_flags.

2020-06-11  Kito Cheng  <kito.cheng@sifive.com>

        * config/riscv/riscv-protos.h (riscv_output_gpr_save): Remove.
        * config/riscv/riscv-sr.c (riscv_sr_match_prologue): Update
        value.
        * config/riscv/riscv.c (riscv_output_gpr_save): Remove.
        * config/riscv/riscv.md (gpr_save): Update output asm pattern.

2020-06-11  Kito Cheng  <kito.cheng@sifive.com>

        * config/riscv/predicates.md (gpr_save_operation): New.
        * config/riscv/riscv-protos.h (riscv_gen_gpr_save_insn): New.
        (riscv_gpr_save_operation_p): Ditto.
        * config/riscv/riscv-sr.c (riscv_remove_unneeded_save_restore_calls):
        Ignore USEs for gpr_save patter.
        * config/riscv/riscv.c (gpr_save_reg_order): New.
        (riscv_expand_prologue): Use riscv_gen_gpr_save_insn to gen gpr_save.
        (riscv_gen_gpr_save_insn): New.
        (riscv_gpr_save_operation_p): Ditto.
        * config/riscv/riscv.md (S3_REGNUM): New.
        (S4_REGNUM): Ditto.
        (S5_REGNUM): Ditto.
        (S6_REGNUM): Ditto.
        (S7_REGNUM): Ditto.
        (S8_REGNUM): Ditto.
        (S9_REGNUM): Ditto.
        (S10_REGNUM): Ditto.
        (S11_REGNUM): Ditto.
        (gpr_save): Model USEs correctly.

2020-06-10  Martin Sebor  <msebor@redhat.com>

        PR middle-end/95353
        PR middle-end/92939
        * builtins.c (inform_access): New function.
        (check_access): Call it.  Add argument.
        (addr_decl_size): Remove.
        (get_range): New function.
        (compute_objsize): New overload.  Only use compute_builtin_object_size
        with raw memory function.
        (check_memop_access): Pass new argument to compute_objsize and
        check_access.
        (expand_builtin_memchr, expand_builtin_strcat): Same.
        (expand_builtin_strcpy, expand_builtin_stpcpy_1): Same.
        (expand_builtin_stpncpy, check_strncat_sizes): Same.
        (expand_builtin_strncat, expand_builtin_strncpy): Same.
        (expand_builtin_memcmp): Same.
        * builtins.h (check_nul_terminated_array): Declare extern.
        (check_access): Add argument.
        (struct access_ref, struct access_data): New structs.
        * gimple-ssa-warn-restrict.c (clamp_offset): New helper.
        (builtin_access::overlap): Call it.
        * tree-object-size.c (decl_init_size): Declare extern.
        (addr_object_size): Correct offset computation.
        * tree-object-size.h (decl_init_size): Declare.
        * tree-ssa-strlen.c (handle_integral_assign): Remove a call
        to maybe_warn_overflow when assigning to an SSA_NAME.

2020-06-10  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vect_determine_vectorization_factor):
        Skip debug stmts.
        (_loop_vec_info::_loop_vec_info): Likewise.
        (vect_update_vf_for_slp): Likewise.
        (vect_analyze_loop_operations): Likewise.
        (update_epilogue_loop_vinfo): Likewise.
        * tree-vect-patterns.c (vect_determine_precisions): Likewise.
        (vect_pattern_recog): Likewise.
        * tree-vect-slp.c (vect_detect_hybrid_slp): Likewise.
        (_bb_vec_info::_bb_vec_info): Likewise.
        * tree-vect-stmts.c (vect_mark_stmts_to_be_vectorized):
        Likewise.

2020-06-10  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95576
        * tree-vect-slp.c (vect_slp_bb): Skip leading debug stmts.

2020-06-10  Haijian Zhang  <z.zhanghaijian@huawei.com>

        PR target/95523
        * config/aarch64/aarch64-sve-builtins.h
        (sve_switcher::m_old_maximum_field_alignment): New member.
        * config/aarch64/aarch64-sve-builtins.cc
        (sve_switcher::sve_switcher): Save maximum_field_alignment in
        m_old_maximum_field_alignment and clear maximum_field_alignment.
        (sve_switcher::~sve_switcher): Restore maximum_field_alignment.

2020-06-10  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (_slp_tree::vec_stmts): Make it a vector
        of gimple * stmts.
        (_stmt_vec_info::vec_stmts): Likewise.
        (vec_info::stmt_vec_info_ro): New flag.
        (vect_finish_replace_stmt): Adjust declaration.
        (vect_finish_stmt_generation): Likewise.
        (vectorizable_induction): Likewise.
        (vect_transform_reduction): Likewise.
        (vectorizable_lc_phi): Likewise.
        * tree-vect-data-refs.c (vect_create_data_ref_ptr): Do not
        allocate stmt infos for increments.
        (vect_record_grouped_load_vectors): Adjust.
        * tree-vect-loop.c (vect_create_epilog_for_reduction): Likewise.
        (vectorize_fold_left_reduction): Likewise.
        (vect_transform_reduction): Likewise.
        (vect_transform_cycle_phi): Likewise.
        (vectorizable_lc_phi): Likewise.
        (vectorizable_induction): Likewise.
        (vectorizable_live_operation): Likewise.
        (vect_transform_loop): Likewise.
        * tree-vect-patterns.c (vect_pattern_recog): Set stmt_vec_info_ro.
        * tree-vect-slp.c (vect_get_slp_vect_def): Adjust.
        (vect_get_slp_defs): Likewise.
        (vect_transform_slp_perm_load): Likewise.
        (vect_schedule_slp_instance): Likewise.
        (vectorize_slp_instance_root_stmt): Likewise.
        * tree-vect-stmts.c (vect_get_vec_defs_for_operand): Likewise.
        (vect_finish_stmt_generation_1): Do not allocate a stmt info.
        (vect_finish_replace_stmt): Do not return anything.
        (vect_finish_stmt_generation): Likewise.
        (vect_build_gather_load_calls): Adjust.
        (vectorizable_bswap): Likewise.
        (vectorizable_call): Likewise.
        (vectorizable_simd_clone_call): Likewise.
        (vect_create_vectorized_demotion_stmts): Likewise.
        (vectorizable_conversion): Likewise.
        (vectorizable_assignment): Likewise.
        (vectorizable_shift): Likewise.
        (vectorizable_operation): Likewise.
        (vectorizable_scan_store): Likewise.
        (vectorizable_store): Likewise.
        (vectorizable_load): Likewise.
        (vectorizable_condition): Likewise.
        (vectorizable_comparison): Likewise.
        (vect_transform_stmt): Likewise.
        * tree-vectorizer.c (vec_info::vec_info): Initialize
        stmt_vec_info_ro.
        (vec_info::replace_stmt): Copy over stmt UID rather than
        unsetting/setting a stmt info allocating a new UID.
        (vec_info::set_vinfo_for_stmt): Assert !stmt_vec_info_ro.

2020-06-10  Aldy Hernandez  <aldyh@redhat.com>

        * gimple-loop-versioning.cc (loop_versioning::name_prop::get_value):
        Add stmt parameter.
        * gimple-ssa-evrp.c (class evrp_folder): New.
        (class evrp_dom_walker): Remove.
        (execute_early_vrp): Use evrp_folder instead of evrp_dom_walker.
        * tree-ssa-ccp.c (ccp_folder::get_value): Add stmt parameter.
        * tree-ssa-copy.c (copy_folder::get_value): Same.
        * tree-ssa-propagate.c (substitute_and_fold_engine::replace_uses_in):
        Pass stmt to get_value.
        (substitute_and_fold_engine::replace_phi_args_in): Same.
        (substitute_and_fold_dom_walker::after_dom_children): Call
        post_fold_bb.
        (substitute_and_fold_dom_walker::foreach_new_stmt_in_bb): New.
        (substitute_and_fold_dom_walker::propagate_into_phi_args): New.
        (substitute_and_fold_dom_walker::before_dom_children): Adjust to
        call virtual functions for folding, pre_folding, and post folding.
        Call get_value with PHI.  Tweak dump.
        * tree-ssa-propagate.h (class substitute_and_fold_engine):
        New argument to get_value.
        New virtual function pre_fold_bb.
        New virtual function post_fold_bb.
        New virtual function pre_fold_stmt.
        New virtual function post_new_stmt.
        New function propagate_into_phi_args.
        * tree-vrp.c (vrp_folder::get_value): Add stmt argument.
        * vr-values.c (vr_values::extract_range_from_stmt): Adjust dump
        output.
        (vr_values::fold_cond): New.
        (vr_values::simplify_cond_using_ranges_1): Call fold_cond.
        * vr-values.h (class vr_values): Add
        simplify_cond_using_ranges_when_edge_is_known.

2020-06-10  Martin Liska  <mliska@suse.cz>

        PR sanitizer/94910
        * asan.c (asan_emit_stack_protection): Emit
        also **SavedFlagPtr(FakeStack, class_id) = 0 in order to release
        a stack frame.

2020-06-10  Tamar Christina  <tamar.christina@arm.com>

        * config/aarch64/aarch64.c (aarch64_rtx_mult_cost): Adjust costs for mul.

2020-06-10  Richard Biener  <rguenther@suse.de>

        * tree-vect-data-refs.c (vect_vfa_access_size): Adjust.
        (vect_record_grouped_load_vectors): Likewise.
        * tree-vect-loop.c (vect_create_epilog_for_reduction): Likewise.
        (vectorize_fold_left_reduction): Likewise.
        (vect_transform_reduction): Likewise.
        (vect_transform_cycle_phi): Likewise.
        (vectorizable_lc_phi): Likewise.
        (vectorizable_induction): Likewise.
        (vectorizable_live_operation): Likewise.
        (vect_transform_loop): Likewise.
        * tree-vect-slp.c (vect_get_slp_defs): New function, split out
        from overload.
        * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Remove.
        (vect_get_vec_def_for_operand): Likewise.
        (vect_get_vec_def_for_stmt_copy): Likewise.
        (vect_get_vec_defs_for_stmt_copy): Likewise.
        (vect_get_vec_defs_for_operand): New function.
        (vect_get_vec_defs): Likewise.
        (vect_build_gather_load_calls): Adjust.
        (vect_get_gather_scatter_ops): Likewise.
        (vectorizable_bswap): Likewise.
        (vectorizable_call): Likewise.
        (vectorizable_simd_clone_call): Likewise.
        (vect_get_loop_based_defs): Remove.
        (vect_create_vectorized_demotion_stmts): Adjust.
        (vectorizable_conversion): Likewise.
        (vectorizable_assignment): Likewise.
        (vectorizable_shift): Likewise.
        (vectorizable_operation): Likewise.
        (vectorizable_scan_store): Likewise.
        (vectorizable_store): Likewise.
        (vectorizable_load): Likewise.
        (vectorizable_condition): Likewise.
        (vectorizable_comparison): Likewise.
        (vect_transform_stmt): Adjust and remove no longer applicable
        sanity checks.
        * tree-vectorizer.c (vec_info::new_stmt_vec_info): Initialize
        STMT_VINFO_VEC_STMTS.
        (vec_info::free_stmt_vec_info): Relase it.
        * tree-vectorizer.h (_stmt_vec_info::vectorized_stmt): Remove.
        (_stmt_vec_info::vec_stmts): Add.
        (STMT_VINFO_VEC_STMT): Remove.
        (STMT_VINFO_VEC_STMTS): New.
        (vect_get_vec_def_for_operand_1): Remove.
        (vect_get_vec_def_for_operand): Likewise.
        (vect_get_vec_defs_for_stmt_copy): Likewise.
        (vect_get_vec_def_for_stmt_copy): Likewise.
        (vect_get_vec_defs): New overloads.
        (vect_get_vec_defs_for_operand): New.
        (vect_get_slp_defs): Declare.

2020-06-10  Qian Chao  <qianchao9@huawei.com>

        PR tree-optimization/95569
        * trans-mem.c (expand_assign_tm): Ensure that rtmp is marked TREE_ADDRESSABLE.

2020-06-10  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/92860
        * optc-save-gen.awk: Generate new function cl_optimization_compare.
        * opth-gen.awk: Generate declaration of the function.

2020-06-09  Michael Meissner  <meissner@linux.ibm.com>

        * config/rs6000/ppc-auxv.h (PPC_PLATFORM_FUTURE): Allocate
        'future' PowerPC platform.
        (PPC_FEATURE2_ARCH_3_1): New HWCAP2 bit for ISA 3.1.
        (PPC_FEATURE2_MMA): New HWCAP2 bit for MMA.
        * config/rs6000/rs6000-call.c (cpu_supports_info): Add ISA 3.1 and
        MMA HWCAP2 bits.
        * config/rs6000/rs6000.c (CLONE_ISA_3_1): New clone support.
        (rs6000_clone_map): Add 'future' system target_clones support.

2020-06-09  Michael Kuhn  <gcc@ikkoku.de>

        * Makefile.in (ZSTD_INC): Define.
        (ZSTD_LIB): Include ZSTD_LDFLAGS.
        (CFLAGS-lto-compress.o): Add ZSTD_INC.
        * configure.ac (ZSTD_CPPFLAGS, ZSTD_LDFLAGS): New variables for
        AC_SUBST.
        * configure: Rebuilt.

2020-06-09  Jason Merrill  <jason@redhat.com>

        PR c++/95552
        * tree.c (walk_tree_1): Call func on the TYPE_DECL of a DECL_EXPR.

2020-06-09  Marco Elver  <elver@google.com>

        * params.opt: Define --param=tsan-distinguish-volatile=[0,1].
        * sanitizer.def (BUILT_IN_TSAN_VOLATILE_READ1): Define new
        builtin for volatile instrumentation of reads/writes.
        (BUILT_IN_TSAN_VOLATILE_READ2): Likewise.
        (BUILT_IN_TSAN_VOLATILE_READ4): Likewise.
        (BUILT_IN_TSAN_VOLATILE_READ8): Likewise.
        (BUILT_IN_TSAN_VOLATILE_READ16): Likewise.
        (BUILT_IN_TSAN_VOLATILE_WRITE1): Likewise.
        (BUILT_IN_TSAN_VOLATILE_WRITE2): Likewise.
        (BUILT_IN_TSAN_VOLATILE_WRITE4): Likewise.
        (BUILT_IN_TSAN_VOLATILE_WRITE8): Likewise.
        (BUILT_IN_TSAN_VOLATILE_WRITE16): Likewise.
        * tsan.c (get_memory_access_decl): Argument if access is
        volatile. If param tsan-distinguish-volatile is non-zero, and
        access if volatile, return volatile instrumentation decl.
        (instrument_expr): Check if access is volatile.

2020-06-09  Richard Biener  <rguenther@suse.de>

        * tree-vect-loop.c (vectorizable_induction): Remove dead code.

2020-06-09  Tobias Burnus  <tobias@codesourcery.com>

        * omp-offload.c (add_decls_addresses_to_decl_constructor,
        omp_finish_file): With in_lto_p, stream out all offload-table
        items even if the symtab_node does not exist.

2020-06-09  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (vect_transform_stmt): Remove dead code.

2020-06-09  Martin Liska  <mliska@suse.cz>

        * gcov-dump.c (print_usage): Fix spacing for --raw option
        in --help.

2020-06-09  Martin Liska  <mliska@suse.cz>

        * cif-code.def (ATTRIBUTE_MISMATCH): Rename to...
        (SANITIZE_ATTRIBUTE_MISMATCH): ...this.
        * ipa-inline.c (sanitize_attrs_match_for_inline_p):
        Handle all sanitizer options.
        (can_inline_edge_p): Use renamed CIF_* enum value.

2020-06-09  Joe Ramsay  <joe.ramsay@arm.com>

        * config/aarch64/aarch64-sve.md (<optab><mode>2): Add support for
        unpacked vectors.
        (@aarch64_pred_<optab><mode>): Add support for unpacked vectors.
        (@aarch64_bic<mode>): Enable unpacked BIC.
        (*bic<mode>3): Enable unpacked BIC.

2020-06-09  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/95365
        * doc/gcov.texi: Compile and link one example in 2 steps.

2020-06-09  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/95527
        * match.pd (__builtin_ffs (X) cmp CST): New optimizations.

2020-06-09  Michael Meissner  <meissner@linux.ibm.com>

        * config/rs6000/ppc-auxv.h (PPC_PLATFORM_FUTURE): Allocate
        'future' PowerPC platform.
        (PPC_FEATURE2_ARCH_3_1): New HWCAP2 bit for ISA 3.1.
        (PPC_FEATURE2_MMA): New HWCAP2 bit for MMA.
        * config/rs6000/rs6000-call.c (cpu_supports_info): Add ISA 3.1 and
        MMA HWCAP2 bits.
        * config/rs6000/rs6000.c (CLONE_ISA_3_1): New clone support.
        (rs6000_clone_map): Add 'future' system target_clones support.

2020-06-08  Tobias Burnus  <tobias@codesourcery.com>

        PR lto/94848
        PR middle-end/95551
        * omp-offload.c (add_decls_addresses_to_decl_constructor,
        omp_finish_file): Skip removed items.
        * lto-cgraph.c (output_offload_tables): Likewise; set force_output
        to this node for variables and functions.

2020-06-08  Jason Merrill  <jason@redhat.com>

        * aclocal.m4: Remove ax_cxx_compile_stdcxx.m4.
        * configure.ac: Remove AX_CXX_COMPILE_STDCXX.
        * configure: Regenerate.

2020-06-08  Martin Sebor  <msebor@redhat.com>

        * postreload.c (reload_cse_simplify_operands): Clear first array element
        before using it.  Assert a precondition.

2020-06-08  Jakub Jelinek  <jakub@redhat.com>

        PR target/95528
        * tree-ssa-forwprop.c (simplify_vector_constructor): Don't use
        VEC_UNPACK*_EXPR or VEC_PACK_TRUNC_EXPR with scalar modes unless the
        type is vector boolean.

2020-06-08  Tamar Christina  <tamar.christina@arm.com>

        * config/aarch64/aarch64.c (aarch64_layout_frame): Expand comments.

2020-06-08  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/arm/predicates.md (vfp_register_operand): Use VFP_HI_REGS
        instead of VFP_REGS.

2020-06-08  Martin Liska  <mliska@suse.cz>

        * config/rs6000/vector.md: Replace FAIL with gcc_unreachable
        in all vcond* patterns.

2020-06-08  Christophe Lyon  <christophe.lyon@linaro.org>

        * common/config/arm/arm-common.c (INCLUDE_ALGORITHM):
        Define. No longer include <algorithm>.

2020-06-07  Roger Sayle  <roger@nextmovesoftware.com>

        * config/i386/i386.md (paritydi2, paritysi2): Expand reduction
        via shift and xor to an USPEC PARITY matching a parityhi2_cmp.
        (paritydi2_cmp, paritysi2_cmp): Delete these define_insn_and_split.
        (parityhi2, parityqi2): New expanders.
        (parityhi2_cmp): Implement set parity flag with xorb insn.
        (parityqi2_cmp): Implement set parity flag with testb insn.
        New peephole2s to use these insns (UNSPEC PARITY) when appropriate.

2020-06-07  Jiufu Guo  <guojiufu@linux.ibm.com>

        PR target/95018
        * config/rs6000/rs6000.c (rs6000_option_override_internal):
        Override flag_cunroll_grow_size.

2020-06-07  Jiufu Guo  <guojiufu@linux.ibm.com>

        * common.opt (flag_cunroll_grow_size): New flag.
        * toplev.c (process_options): Set flag_cunroll_grow_size.
        * tree-ssa-loop-ivcanon.c (pass_complete_unroll::execute):
        Use flag_cunroll_grow_size.

2020-06-06  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/95548
        * ipa-devirt.c (struct odr_enum_val): Turn values to wide_int.
        (ipa_odr_summary_write): Update streaming.
        (ipa_odr_read_section): Update streaming.

2020-06-06  Alexandre Oliva  <oliva@adacore.com>

        PR driver/95456
        * gcc.c (do_spec_1): Don't call memcpy (_, NULL, 0).

2020-06-05  Thomas Schwinge  <thomas@codesourcery.com>
            Julian Brown  <julian@codesourcery.com>

        * gimplify.c (gimplify_adjust_omp_clauses): Remove
        'GOMP_MAP_STRUCT' mapping from OpenACC 'exit data' directives.

2020-06-05  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95539
        * tree-vect-data-refs.c
        (vect_slp_analyze_and_verify_instance_alignment): Use
        SLP_TREE_REPRESENTATIVE for the data-ref check.
        * tree-vect-stmts.c (vectorizable_load): Reset stmt_info
        back to the first scalar stmt rather than the
        SLP_TREE_REPRESENTATIVE to match previous behavior.

2020-06-05  Felix Yang  <felix.yang@huawei.com>

        PR target/95254
        * expr.c (emit_move_insn): Check src and dest of the copy to see
        if one or both of them are subregs, try to remove the subregs when
        innermode and outermode are equal in size and the mode change involves
        an implicit round trip through memory.

2020-06-05  Jakub Jelinek  <jakub@redhat.com>

        PR target/95535
        * config/i386/i386.md (*ctzsi2_zext, *clzsi2_lzcnt_zext): New
        define_insn_and_split patterns.
        (*ctzsi2_zext_falsedep, *clzsi2_lzcnt_zext_falsedep): New
        define_insn patterns.

2020-06-05  Jonathan Wakely  <jwakely@redhat.com>

        * alloc-pool.h (object_allocator::remove_raw): New.
        * tree-ssa-math-opts.c (struct occurrence): Use NSMDI.
        (occurrence::occurrence): Add.
        (occurrence::~occurrence): Likewise.
        (occurrence::new): Likewise.
        (occurrence::delete): Likewise.
        (occ_new): Remove.
        (insert_bb): Use new occurence (...) instead of occ_new.
        (register_division_in): Likewise.
        (free_bb): Use delete occ instead of manually removing
        from the pool.

2020-06-05  Richard Biener  <rguenther@suse.de>

        PR middle-end/95493
        * cfgexpand.c (expand_debug_expr): Avoid calling
        set_mem_attributes_minus_bitpos when we were expanding
        an SSA name.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove
        ARRAY_REF special-casing, add CONSTRUCTOR to the set of
        special-cases we do not want MEM_EXPRs for.  Assert
        we end up with reasonable MEM_EXPRs.

2020-06-05  Lili Cui  <lili.cui@intel.com>

        PR target/95525
        * config/i386/i386.h (PTA_WAITPKG): Change bitmask value.

2020-06-04  Martin Sebor  <msebor@redhat.com>

        PR middle-end/10138
        PR middle-end/95136
        * attribs.c (init_attr_rdwr_indices): Move function here.
        * attribs.h (rdwr_access_hash, rdwr_map): Define.
        (attr_access): Add 'none'.
        (init_attr_rdwr_indices): Declared function.
        * builtins.c (warn_for_access)): New function.
        (check_access): Call it.
        * builtins.h (checK-access): Add an optional argument.
        * calls.c (rdwr_access_hash, rdwr_map): Move to attribs.h.
        (init_attr_rdwr_indices): Declare extern.
        (append_attrname): Handle attr_access::none.
        (maybe_warn_rdwr_sizes): Same.
        (initialize_argument_information): Update comments.
        * doc/extend.texi (attribute access): Document 'none'.
        * tree-ssa-uninit.c (struct wlimits): New.
        (maybe_warn_operand): New function.
        (maybe_warn_pass_by_reference): Same.
        (warn_uninitialized_vars): Refactor code into maybe_warn_operand.
        Also call for function calls.
        (pass_late_warn_uninitialized::execute): Adjust comments.
        (execute_early_warn_uninitialized): Same.

2020-06-04  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/95464
        * lra.c (lra_emit_move): Add processing STRICT_LOW_PART.
        * lra-constraints.c (match_reload): Use STRICT_LOW_PART in output
        reload if the original insn has it too.

2020-06-04  Richard Biener  <rguenther@suse.de>

        * config/aarch64/aarch64.c (aarch64_gimplify_va_arg_expr):
        Ensure that tmp_ha is marked TREE_ADDRESSABLE.

2020-06-04  Martin Jambor  <mjambor@suse.cz>

        PR ipa/95113
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move non-call
        exceptions check to...
        * tree-eh.c (stmt_unremovable_because_of_non_call_eh_p): ...this
        new function.
        * tree-eh.h (stmt_unremovable_because_of_non_call_eh_p): Declare it.
        * ipa-sra.c (isra_track_scalar_value_uses): Use it.  New parameter
        fun.

2020-06-04  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        PR target/94735
        * config/arm/predicates.md (mve_scatter_memory): Define to
        match (mem (reg)) for scatter store memory.
        * config/arm/mve.md (mve_vstrbq_scatter_offset_<supf><mode>): Modify
        define_insn to define_expand.
        (mve_vstrbq_scatter_offset_p_<supf><mode>): Likewise.
        (mve_vstrhq_scatter_offset_<supf><mode>): Likewise.
        (mve_vstrhq_scatter_shifted_offset_p_<supf><mode>): Likewise.
        (mve_vstrhq_scatter_shifted_offset_<supf><mode>): Likewise.
        (mve_vstrdq_scatter_offset_p_<supf>v2di): Likewise.
        (mve_vstrdq_scatter_offset_<supf>v2di): Likewise.
        (mve_vstrdq_scatter_shifted_offset_p_<supf>v2di): Likewise.
        (mve_vstrdq_scatter_shifted_offset_<supf>v2di): Likewise.
        (mve_vstrhq_scatter_offset_fv8hf): Likewise.
        (mve_vstrhq_scatter_offset_p_fv8hf): Likewise.
        (mve_vstrhq_scatter_shifted_offset_fv8hf): Likewise.
        (mve_vstrhq_scatter_shifted_offset_p_fv8hf): Likewise.
        (mve_vstrwq_scatter_offset_fv4sf): Likewise.
        (mve_vstrwq_scatter_offset_p_fv4sf): Likewise.
        (mve_vstrwq_scatter_offset_p_<supf>v4si): Likewise.
        (mve_vstrwq_scatter_offset_<supf>v4si): Likewise.
        (mve_vstrwq_scatter_shifted_offset_fv4sf): Likewise.
        (mve_vstrwq_scatter_shifted_offset_p_fv4sf): Likewise.
        (mve_vstrwq_scatter_shifted_offset_p_<supf>v4si): Likewise.
        (mve_vstrwq_scatter_shifted_offset_<supf>v4si): Likewise.
        (mve_vstrbq_scatter_offset_<supf><mode>_insn): Define insn for scatter
        stores.
        (mve_vstrbq_scatter_offset_p_<supf><mode>_insn): Likewise.
        (mve_vstrhq_scatter_offset_<supf><mode>_insn): Likewise.
        (mve_vstrhq_scatter_shifted_offset_p_<supf><mode>_insn): Likewise.
        (mve_vstrhq_scatter_shifted_offset_<supf><mode>_insn): Likewise.
        (mve_vstrdq_scatter_offset_p_<supf>v2di_insn): Likewise.
        (mve_vstrdq_scatter_offset_<supf>v2di_insn): Likewise.
        (mve_vstrdq_scatter_shifted_offset_p_<supf>v2di_insn): Likewise.
        (mve_vstrdq_scatter_shifted_offset_<supf>v2di_insn): Likewise.
        (mve_vstrhq_scatter_offset_fv8hf_insn): Likewise.
        (mve_vstrhq_scatter_offset_p_fv8hf_insn): Likewise.
        (mve_vstrhq_scatter_shifted_offset_fv8hf_insn): Likewise.
        (mve_vstrhq_scatter_shifted_offset_p_fv8hf_insn): Likewise.
        (mve_vstrwq_scatter_offset_fv4sf_insn): Likewise.
        (mve_vstrwq_scatter_offset_p_fv4sf_insn): Likewise.
        (mve_vstrwq_scatter_offset_p_<supf>v4si_insn): Likewise.
        (mve_vstrwq_scatter_offset_<supf>v4si_insn): Likewise.
        (mve_vstrwq_scatter_shifted_offset_fv4sf_insn): Likewise.
        (mve_vstrwq_scatter_shifted_offset_p_fv4sf_insn): Likewise.
        (mve_vstrwq_scatter_shifted_offset_p_<supf>v4si_insn): Likewise.
        (mve_vstrwq_scatter_shifted_offset_<supf>v4si_insn): Likewise.

2020-06-04  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm_mve.h (__arm_vbicq_n_u16): Correct the intrinsic
        arguments.
        (__arm_vbicq_n_s16): Likewise.
        (__arm_vbicq_n_u32): Likewise.
        (__arm_vbicq_n_s32): Likewise.
        (__arm_vbicq): Modify polymorphic variant.

2020-06-04  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (vect_get_slp_vect_def): Declare.
        * tree-vect-loop.c (vect_create_epilog_for_reduction): Use it.
        * tree-vect-stmts.c (vect_transform_stmt): Likewise.
        (vect_is_simple_use): Use SLP_TREE_REPRESENTATIVE.
        * tree-vect-slp.c (vect_get_slp_vect_defs): Fold into single
        use ...
        (vect_get_slp_defs): ... here.
        (vect_get_slp_vect_def): New function.

2020-06-04  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (_slp_tree::lanes): New.
        (SLP_TREE_LANES): Likewise.
        * tree-vect-loop.c (vect_create_epilog_for_reduction): Use it.
        (vectorizable_reduction): Likewise.
        (vect_transform_cycle_phi): Likewise.
        (vectorizable_induction): Likewise.
        (vectorizable_live_operation): Likewise.
        * tree-vect-slp.c (_slp_tree::_slp_tree): Initialize lanes.
        (vect_create_new_slp_node): Likewise.
        (slp_copy_subtree): Copy it.
        (vect_optimize_slp): Use it.
        (vect_slp_analyze_node_operations_1): Likewise.
        (vect_slp_convert_to_external): Likewise.
        (vect_bb_vectorization_profitable_p): Likewise.
        * tree-vect-stmts.c (vectorizable_load): Likewise.
        (get_vectype_for_scalar_type): Likewise.

2020-06-04  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_update_all_shared_vectypes): Remove.
        (vect_build_slp_tree_2): Simplify building all external op
        nodes from scalars.
        (vect_slp_analyze_node_operations): Remove push/pop of
        STMT_VINFO_DEF_TYPE.
        (vect_schedule_slp_instance): Likewise.
        * tree-vect-stmts.c (ect_check_store_rhs): Pass in the
        stmt_info, use the vect_is_simple_use overload combining
        SLP and stmt_info analysis.
        (vect_is_simple_cond): Likewise.
        (vectorizable_store): Adjust.
        (vectorizable_condition): Likewise.
        (vect_is_simple_use): Fully handle invariant SLP nodes
        here.  Amend stmt_info operand extraction with COND_EXPR
        and masked stores.
        * tree-vect-loop.c (vectorizable_reduction): Deal with
        COND_EXPR representation ugliness.

2020-06-04  Hongtao Liu  <hongtao.liu@inte.com>

        PR target/95254
        * config/i386/sse.md (*vcvtps2ph_store<merge_mask_name>):
        Refine from *vcvtps2ph_store<mask_name>.
        (vcvtps2ph256<mask_name>): Refine constraint from vm to v.
        (<mask_codefor>avx512f_vcvtps2ph512<mask_name>): Ditto.
        (*vcvtps2ph256<merge_mask_name>): New define_insn.
        (*avx512f_vcvtps2ph512<merge_mask_name>): Ditto.
        * config/i386/subst.md (merge_mask): New define_subst.
        (merge_mask_name): New define_subst_attr.
        (merge_mask_operand3): Ditto.

2020-06-04  Hao Liu  <hliu@os.amperecomputing.com>

        PR tree-optimization/89430
        * tree-ssa-phiopt.c
        (struct name_to_bb): Rename to ref_to_bb; add a new field exp;
        remove ssa_name_ver, store, offset fields.
        (struct ssa_names_hasher): Rename to refs_hasher; update functions.
        (class nontrapping_dom_walker): Rename m_seen_ssa_names to m_seen_refs.
        (nontrapping_dom_walker::add_or_mark_expr): Extend to support ARRAY_REFs
        and COMPONENT_REFs.

2020-06-04  Andreas Schwab  <schwab@suse.de>

        PR target/95154
        * config/ia64/ia64.h (ASM_OUTPUT_FDESC): Call assemble_external.

2020-06-04  Hongtao.liu  <hongtao.liu@intel.com>

        * config/i386/sse.md (pmov_dst_3_lower): New mode attribute.
        (trunc<mode><pmov_dst_3_lower>2): Refine from
        trunc<mode><pmov_dst_3>2.

2020-06-03  Vitor Guidi  <vitor.guidi@usp.br>

        * match.pd (tanh/sinh -> 1/cosh): New simplification.

2020-06-03  Aaron Sawdey  <acsawdey@linux.ibm.com>

        PR target/95347
        * config/rs6000/rs6000.c (is_stfs_insn): Rename to
        is_lfs_stfs_insn and make it recognize lfs as well.
        (prefixed_store_p): Use is_lfs_stfs_insn().
        (prefixed_load_p): Use is_lfs_stfs_insn() to recognize lfs.

2020-06-03  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-devirt.c: Include data-streamer.h, lto-streamer.h and
        streamer-hooks.h.
        (odr_enums): New static var.
        (struct odr_enum_val): New struct.
        (class odr_enum): New struct.
        (odr_enum_map): New hashtable.
        (odr_types_equivalent_p): Drop code testing TYPE_VALUES.
        (add_type_duplicate): Likewise.
        (free_odr_warning_data): Do not free TYPE_VALUES.
        (register_odr_enum): New function.
        (ipa_odr_summary_write): New function.
        (ipa_odr_read_section): New function.
        (ipa_odr_summary_read): New function.
        (class pass_ipa_odr): New pass.
        (make_pass_ipa_odr): New function.
        * ipa-utils.h (register_odr_enum): Declare.
        * lto-section-in.c: (lto_section_name): Add odr_types section.
        * lto-streamer.h (enum lto_section_type): Add odr_types section.
        * passes.def: Add odr_types pass.
        * lto-streamer-out.c (DFS::DFS_write_tree_body): Do not stream
        TYPE_VALUES.
        (hash_tree): Likewise.
        * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
        Likewise.
        * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
        Likewise.
        * timevar.def (TV_IPA_ODR): New timervar.
        * tree-pass.h (make_pass_ipa_odr): Declare.
        * tree.c (free_lang_data_in_type): Regiser ODR types.

2020-06-03  Romain Naour  <romain.naour@gmail.com>

        * Makefile.in (SELFTEST_DEPS): Move before including language makefile
        fragments.

2020-06-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95487
        * tree-vect-stmts.c (vectorizable_store): Use a truth type
        for the scatter mask.

2020-06-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95495
        * tree-vect-slp.c (vect_slp_analyze_node_operations): Use
        SLP_TREE_REPRESENTATIVE in the shift assertion.

2020-06-03  Tom Tromey  <tromey@adacore.com>

        * spellcheck.c (CASE_COST): New define.
        (BASE_COST): New define.
        (get_edit_distance): Recognize case changes.
        (get_edit_distance_cutoff): Update.
        (test_edit_distances): Update.
        (get_old_cutoff): Update.
        (test_find_closest_string): Add case sensitivity test.

2020-06-03  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_bb_vectorization_profitable_p): Loop over
        the cost vector to unset the visited flag on stmts.

2020-06-03  Tobias Burnus  <tobias@codesourcery.com>

        * gimplify.c (omp_notice_variable): Use new hook.
        * langhooks-def.h (lhd_omp_predetermined_mapping): Declare.
        (LANG_HOOKS_OMP_PREDETERMINED_MAPPING): Define
        (LANG_HOOKS_DECLS): Add it.
        * langhooks.c (lhd_omp_predetermined_sharing): Remove bogus unused attr.
        (lhd_omp_predetermined_mapping): New.
        * langhooks.h (struct lang_hooks_for_decls): Add new hook.

2020-06-03  Jan Hubicka  <jh@suse.cz>

        * lto-streamer.h (LTO_tags): Reorder so frequent tags has small indexes;
        add LTO_first_tree_tag and LTO_first_gimple_tag.
        (lto_tag_is_tree_code_p): Update.
        (lto_tag_is_gimple_code_p): Update.
        (lto_gimple_code_to_tag): Update.
        (lto_tag_to_gimple_code): Update.
        (lto_tree_code_to_tag): Update.
        (lto_tag_to_tree_code): Update.

2020-06-02  Felix Yang  <felix.yang@huawei.com>

        PR target/95459
        * config/aarch64/aarch64.c (aarch64_short_vector_p):
        Leave later code to report an error if SVE is disabled.

2020-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64-cores.def (zeus): Define.
        * config/aarch64/aarch64-tune.md: Regenerate.
        * doc/invoke.texi (AArch64 Options): Document zeus -mcpu option.

2020-06-02  Aaron Sawdey  <acsawdey@linux.ibm.com>

        PR target/95347
        * config/rs6000/rs6000.c (prefixed_store_p): Add special case
        for stfs.
        (is_stfs_insn): New helper function.

2020-06-02  Jan Hubicka  <jh@suse.cz>

        * lto-streamer-in.c (stream_read_tree_ref): Simplify streaming of
        references.
        * lto-streamer-out.c (stream_write_tree_ref): Likewise.

2020-06-02  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-hsa.h (CC1_SPEC): Delete.
        * config/gcn/gcn.opt (-mlocal-symbol-id): Delete.
        * config/gcn/mkoffload.c (main): Don't use -mlocal-symbol-id.

2020-06-02  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/95395
        * optabs.c (expand_unop): Fix bits/bytes confusion in latest change.
        * tree-pretty-print.c (dump_generic_node) <ARRAY_TYPE>: Print quals.

2020-06-02  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>

        * config/s390/s390.c (print_operand): Emit vector alignment
        hints for z13.

2020-06-02  Martin Liska  <mliska@suse.cz>

        * coverage.c (get_coverage_counts): Skip sanity check for TOP N counters
        as they have variable number of counters.
        * gcov-dump.c (main): Add new option -r.
        (print_usage): Likewise.
        (tag_counters): All new raw format.
        * gcov-io.h (struct gcov_kvp): New.
        (GCOV_TOPN_VALUES): Remove.
        (GCOV_TOPN_VALUES_COUNTERS): Likewise.
        (GCOV_TOPN_MEM_COUNTERS): New.
        (GCOV_TOPN_DISK_COUNTERS): Likewise.
        (GCOV_TOPN_MAXIMUM_TRACKED_VALUES): Likewise.
        * ipa-profile.c (ipa_profile_generate_summary): Use
        GCOV_TOPN_MAXIMUM_TRACKED_VALUES.
        (ipa_profile_write_edge_summary): Likewise.
        (ipa_profile_read_edge_summary): Likewise.
        (ipa_profile): Remove usage of GCOV_TOPN_VALUES.
        * profile.c (sort_hist_values): Sort variable number
        of counters.
        (compute_value_histograms): Special case for TOP N counters
        that have dynamic number of key-value pairs.
        * value-prof.c (dump_histogram_value): Dump variable number
        of key-value pairs.
        (stream_in_histogram_value): Stream in variable number
        of key-value pairs for TOP N counter.
        (get_nth_most_common_value): Deal with variable number
        of key-value pairs.
        (dump_ic_profile): Use GCOV_TOPN_MAXIMUM_TRACKED_VALUES
        for loop iteration.
        (gimple_find_values_to_profile): Set GCOV_TOPN_MEM_COUNTERS
        to n_counters.
        * doc/gcov-dump.texi: Document new -r option.

2020-06-02  Iain Buclaw  <ibuclaw@gdcproject.org>

        PR target/95420
        * config.gcc (arm-wrs-vxworks7*): Set default cpu to generic-armv7-a.

2020-06-01  Jeff Law  <law@torsion.usersys.redhat.com>

        * lower-subreg.c (resolve_simple_move): If simplify_gen_subreg_concatn
        returns (const_int 0) for the destination, then emit nothing.

2020-06-01  Jan Hubicka  <hubicka@ucw.cz>

        * lto-streamer.h (enum LTO_tags): Remove LTO_field_decl_ref,
        LTO_function_decl_ref, LTO_label_decl_ref, LTO_namespace_decl_ref,
        LTO_result_decl_ref, LTO_type_decl_ref, LTO_type_ref,
        LTO_const_decl_ref, LTO_imported_decl_ref,
        LTO_translation_unit_decl_ref, LTO_global_decl_ref and
        LTO_namelist_decl_ref; add LTO_global_stream_ref.
        * lto-streamer-in.c (lto_input_tree_ref): Simplify.
        (lto_input_scc): Update.
        (lto_input_tree_1): Update.
        * lto-streamer-out.c (lto_indexable_tree_ref): Simlify.
        * lto-streamer.c (lto_tag_name): Update.

2020-06-01  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-reference.c (stream_out_bitmap): Use lto_output_var_decl_ref.
        (ipa_reference_read_optimization_summary): Use lto_intput_var_decl_ref.
        * lto-cgraph.c (lto_output_node): Likewise.
        (lto_output_varpool_node): Likewise.
        (output_offload_tables): Likewise.
        (input_node): Likewise.
        (input_varpool_node): Likewise.
        (input_offload_tables): Likewise.
        * lto-streamer-in.c (lto_input_tree_ref): Declare.
        (lto_input_var_decl_ref): Declare.
        (lto_input_fn_decl_ref): Declare.
        * lto-streamer-out.c (lto_indexable_tree_ref): Use only one decl stream.
        (lto_output_var_decl_index): Rename to ..
        (lto_output_var_decl_ref): ... this.
        (lto_output_fn_decl_index): Rename to ...
        (lto_output_fn_decl_ref): ... this.
        * lto-streamer.h (enum lto_decl_stream_e_t): Remove per-type streams.
        (DEFINE_DECL_STREAM_FUNCS): Remove.
        (lto_output_var_decl_index): Remove.
        (lto_output_fn_decl_index): Remove.
        (lto_output_var_decl_ref): Declare.
        (lto_output_fn_decl_ref): Declare.
        (lto_input_var_decl_ref): Declare.
        (lto_input_fn_decl_ref): Declare.

2020-06-01  Feng Xue  <fxue@os.amperecomputing.com>

        * cgraphclones.c (materialize_all_clones): Adjust replace map dump.
        * ipa-param-manipulation.c (ipa_dump_adjusted_parameters): Do not
        dump infomation if there is no adjusted parameter.
        * (ipa_param_adjustments::dump): Adjust prefix spaces for dump string.

2020-06-01  Aldy Hernandez  <aldyh@redhat.com>

        * Makefile.in (gimple-array-bounds.o): New.
        * tree-vrp.c: Move array bounds code...
        * gimple-array-bounds.cc: ...here...
        * gimple-array-bounds.h: ...and here.

2020-06-01  Aldy Hernandez  <aldyh@redhat.com>

        * Makefile.in (OBJS): Add value-range-equiv.o.
        * tree-vrp.c (*value_range_equiv*): Move to...
        * value-range-equiv.cc: ...here.
        * tree-vrp.h (class value_range_equiv): Move to...
        * value-range-equiv.h: ...here.
        * vr-values.h: Include value-range-equiv.h.

2020-06-01  Feng Xue  <fxue@os.amperecomputing.com>

        PR ipa/93429
        * ipa-cp.c (propagate_aggs_across_jump_function): Check aggregate
        lattice for simple pass-through by-ref argument.

2020-05-31  Jeff Law  <law@redhat.com>

        * lra.c (add_auto_inc_notes): Remove function.
        * reload1.c (add_auto_inc_notes): Similarly.  Move into...
        * rtlanal.c (add_auto_inc_notes): New function.
        * rtl.h (add_auto_inc_notes): Add prototype.
        * recog.c (peep2_attempt): Scan and add REG_INC notes to new insns
        as needed.

2020-05-31  Jan Hubicka  <jh@suse.cz>

        * lto-section-out.c (lto_output_decl_index): Remove.
        (lto_output_field_decl_index): Move to lto-streamer-out.c
        (lto_output_fn_decl_index): Move to lto-streamer-out.c
        (lto_output_namespace_decl_index): Remove.
        (lto_output_var_decl_index): Remove.
        (lto_output_type_decl_index): Remove.
        (lto_output_type_ref_index): Remove.
        * lto-streamer-out.c (output_type_ref): Remove.
        (lto_get_index): New function.
        (lto_output_tree_ref): Remove.
        (lto_indexable_tree_ref): New function.
        (lto_output_var_decl_index): Move here from lto-section-out.c; simplify.
        (lto_output_fn_decl_index): Move here from lto-section-out.c; simplify.
        (stream_write_tree_ref): Update.
        (lto_output_tree): Update.
        * lto-streamer.h (lto_output_decl_index): Remove prototype.
        (lto_output_field_decl_index): Remove prototype.
        (lto_output_namespace_decl_index): Remove prototype.
        (lto_output_type_decl_index): Remove prototype.
        (lto_output_type_ref_index): Remove prototype.
        (lto_output_var_decl_index): Move.
        (lto_output_fn_decl_index): Move

2020-05-31  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/95052
        * expr.c (store_expr): For shortedned_string_cst, ensure temp has
        BLKmode.

2020-05-31  Jeff Law  <law@redhat.com>

        * config/h8300/jumpcall.md (brabs, brabc): Disable patterns.

2020-05-31  Jim Wilson  <jimw@sifive.com>

        * config/riscv/riscv.md (zero_extendsidi2_shifted): New.

2020-05-30  Jonathan Yong  <10walls@gmail.com>

        * config/i386/mingw32.h (REAL_LIBGCC_SPEC): Insert -lkernel32
        after -lmsvcrt. This is necessary as libmsvcrt.a is not a pure
        import library, but also contains some functions that invoke
        others in KERNEL32.DLL.

2020-05-29  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/altivec.md (altivec_vmrghw_direct): Prefer VSX form.
        (altivec_vmrglw_direct): Ditto.
        (altivec_vperm_<mode>_direct): Ditto.
        (altivec_vperm_v8hiv16qi): Ditto.
        (*altivec_vperm_<mode>_uns_internal): Ditto.
        (*altivec_vpermr_<mode>_internal): Ditto.
        (vperm_v8hiv4si): Ditto.
        (vperm_v16qiv8hi): Ditto.

2020-05-29  Jan Hubicka  <jh@suse.cz>

        * lto-streamer-in.c (streamer_read_chain): Move here from
        tree-streamer-in.c.
        (stream_read_tree_ref): New.
        (lto_input_tree_1): Simplify.
        * lto-streamer-out.c (stream_write_tree_ref): New.
        (lto_write_tree_1): Simplify.
        (lto_output_tree_1): Simplify.
        (DFS::DFS_write_tree): Simplify.
        (streamer_write_chain): Move here from tree-stremaer-out.c.
        * lto-streamer.h (lto_output_tree_ref): Update prototype.
        (stream_read_tree_ref): Declare
        (stream_write_tree_ref): Declare
        * tree-streamer-in.c (streamer_read_chain): Update to use
        stream_read_tree_ref.
        (lto_input_ts_common_tree_pointers): Likewise.
        (lto_input_ts_vector_tree_pointers): Likewise.
        (lto_input_ts_poly_tree_pointers): Likewise.
        (lto_input_ts_complex_tree_pointers): Likewise.
        (lto_input_ts_decl_minimal_tree_pointers): Likewise.
        (lto_input_ts_decl_common_tree_pointers): Likewise.
        (lto_input_ts_decl_with_vis_tree_pointers): Likewise.
        (lto_input_ts_field_decl_tree_pointers): Likewise.
        (lto_input_ts_function_decl_tree_pointers): Likewise.
        (lto_input_ts_type_common_tree_pointers): Likewise.
        (lto_input_ts_type_non_common_tree_pointers): Likewise.
        (lto_input_ts_list_tree_pointers): Likewise.
        (lto_input_ts_vec_tree_pointers): Likewise.
        (lto_input_ts_exp_tree_pointers): Likewise.
        (lto_input_ts_block_tree_pointers): Likewise.
        (lto_input_ts_binfo_tree_pointers): Likewise.
        (lto_input_ts_constructor_tree_pointers): Likewise.
        (lto_input_ts_omp_clause_tree_pointers): Likewise.
        * tree-streamer-out.c (streamer_write_chain): Update to use
        stream_write_tree_ref.
        (write_ts_common_tree_pointers): Likewise.
        (write_ts_vector_tree_pointers): Likewise.
        (write_ts_poly_tree_pointers): Likewise.
        (write_ts_complex_tree_pointers): Likewise.
        (write_ts_decl_minimal_tree_pointers): Likewise.
        (write_ts_decl_common_tree_pointers): Likewise.
        (write_ts_decl_non_common_tree_pointers): Likewise.
        (write_ts_decl_with_vis_tree_pointers): Likewise.
        (write_ts_field_decl_tree_pointers): Likewise.
        (write_ts_function_decl_tree_pointers): Likewise.
        (write_ts_type_common_tree_pointers): Likewise.
        (write_ts_type_non_common_tree_pointers): Likewise.
        (write_ts_list_tree_pointers): Likewise.
        (write_ts_vec_tree_pointers): Likewise.
        (write_ts_exp_tree_pointers): Likewise.
        (write_ts_block_tree_pointers): Likewise.
        (write_ts_binfo_tree_pointers): Likewise.
        (write_ts_constructor_tree_pointers): Likewise.
        (write_ts_omp_clause_tree_pointers): Likewise.
        (streamer_write_tree_body): Likewise.
        (streamer_write_integer_cst): Likewise.
        * tree-streamer.h (streamer_read_chain):Declare.
        (streamer_write_chain):Declare.
        (streamer_write_tree_body): Update prototype.
        (streamer_write_integer_cst): Update prototype.

2020-05-29  H.J. Lu  <hjl.tools@gmail.com>

        PR bootstrap/95413
        * configure: Regenerated.

2020-05-29  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (add<mode>3_vcc_zext_dup): Add early clobber.
        (add<mode>3_vcc_zext_dup_exec): Likewise.
        (add<mode>3_vcc_zext_dup2): Likewise.
        (add<mode>3_vcc_zext_dup2_exec): Likewise.

2020-05-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95272
        * tree-vectorizer.h (_slp_tree::representative): Add.
        (SLP_TREE_REPRESENTATIVE): Likewise.
        * tree-vect-loop.c (vectorizable_reduction): Adjust SLP
        node gathering.
        (vectorizable_live_operation): Use the representative to
        attach the reduction info to.
        * tree-vect-slp.c (_slp_tree::_slp_tree): Initialize
        SLP_TREE_REPRESENTATIVE.
        (vect_create_new_slp_node): Likewise.
        (slp_copy_subtree): Copy it.
        (vect_slp_rearrange_stmts): Re-arrange even COND_EXPR stmts.
        (vect_slp_analyze_node_operations_1): Pass the representative
        to vect_analyze_stmt.
        (vect_schedule_slp_instance): Pass the representative to
        vect_transform_stmt.

2020-05-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95356
        * tree-vect-stmts.c (vectorizable_shift): Do in-place SLP
        node hacking during analysis.

2020-05-29  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/95362
        * lto-streamer-out.c (lto_output_tree): Disable redundant streaming.

2020-05-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95403
        * tree-vect-stmts.c (vect_init_vector_1): Guard against NULL
        stmt_vinfo.

2020-05-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/95315
        * omp-general.c (omp_resolve_declare_variant): Fix up addition of
        declare variant cgraph node removal callback.

2020-05-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/95052
        * expr.c (store_expr): If expr_size is constant and significantly
        larger than TREE_STRING_LENGTH, set temp to just the
        TREE_STRING_LENGTH portion of the STRING_CST.

2020-05-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95393
        * tree-ssa-phiopt.c (minmax_replacement): Use gimple_build
        to build the min/max expression so we simplify cases like
        MAX(0, s) immediately.

2020-05-29  Joe Ramsay  <joe.ramsay@arm.com>

        * config/aarch64/aarch64-sve.md (<LOGICAL:optab><mode>3): Add support
        for unpacked EOR, ORR, AND.

2020-05-28  Nicolas Bértolo  <nicolasbertolo@gmail.com>

        * Makefile.in: don't look for libiberty in the "pic" subdirectory
        when building for Mingw. Add dependency on xgcc with the proper
        extension.

2020-05-28  Jeff Law  <law@redhat.com>

        * config/h8300/logical.md (bclrhi_msx): Remove pattern.

2020-05-28  Jeff Law  <law@redhat.com>

        * config/h8300/logical.md (HImode H8/SX bit-and splitter): Don't
        make a nonzero adjustment to the memory offset.
        (b<ior,xor>hi_msx): Turn into a splitter.

2020-05-28  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple-ssa-store-merging.c (merged_store_group::can_be_merged_into):
        Fix off-by-one error.

2020-05-28  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.h (aarch64_frame): Add a comment above
        wb_candidate1 and wb_candidate2.
        * config/aarch64/aarch64.c (aarch64_layout_frame): Invalidate
        wb_candidate1 and wb_candidate2 if we decided not to use them.

2020-05-28  Richard Sandiford  <richard.sandiford@arm.com>

        PR testsuite/95361
        * config/aarch64/aarch64.c (aarch64_expand_epilogue): Assert that
        we have at least some CFI operations when using a frame pointer.
        Only redefine the CFA if we have CFI operations.

2020-05-28  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_prologue_cost_for_slp): Remove
        case for !SLP_TREE_VECTYPE.
        (vect_slp_analyze_node_operations): Adjust.

2020-05-28  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (_slp_tree::vec_defs): Add.
        (SLP_TREE_VEC_DEFS): Likewise.
        * tree-vect-slp.c (_slp_tree::_slp_tree): Adjust.
        (_slp_tree::~_slp_tree): Likewise.
        (vect_mask_constant_operand_p): Remove unused function.
        (vect_get_constant_vectors): Rename to...
        (vect_create_constant_vectors): ... this.  Take the
        invariant node as argument and code generate it.  Remove
        dead code, remove temporary asserts.  Pass a NULL stmt_info
        to vect_init_vector.
        (vect_get_slp_defs): Simplify.
        (vect_schedule_slp_instance): Code-generate externals and
        invariants using vect_create_constant_vectors.

2020-05-28  Richard Biener  <rguenther@suse.de>

        * tree-vect-stmts.c (vect_finish_stmt_generation_1):
        Conditionalize stmt_info use, assert the new stmt cannot throw
        when not specified.
        (vect_finish_stmt_generation): Adjust assert.

2020-05-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95273
        PR tree-optimization/95356
        * tree-vect-stmts.c (vectorizable_shift): Adjust when and to
        what we set the vector type of the shift operand SLP node
        again.

2020-05-28  Andrea Corallo  <andrea.corallo@arm.com>

        * config/arm/arm.c (mve_vector_mem_operand): Fix unwanted
        fall-throughs.

2020-05-28  Martin Liska  <mliska@suse.cz>

        PR web/95380
        * doc/invoke.texi: Add missing params, remove max-once-peeled-insns and
        rename ipcp-unit-growth to ipa-cp-unit-growth.

2020-05-28  Hongtao Liu  <hongtao.liu@intel.com>

        * config/i386/sse.md (*avx512vl_<code>v2div2qi2_store_1): Rename
        from *avx512vl_<code>v2div2qi_store and refine memory size of
        the pattern.
        (*avx512vl_<code>v2div2qi2_mask_store_1): Ditto.
        (*avx512vl_<code><mode>v4qi2_store_1): Ditto.
        (*avx512vl_<code><mode>v4qi2_mask_store_1): Ditto.
        (*avx512vl_<code><mode>v8qi2_store_1): Ditto.
        (*avx512vl_<code><mode>v8qi2_mask_store_1): Ditto.
        (*avx512vl_<code><mode>v4hi2_store_1): Ditto.
        (*avx512vl_<code><mode>v4hi2_mask_store_1): Ditto.
        (*avx512vl_<code>v2div2hi2_store_1): Ditto.
        (*avx512vl_<code>v2div2hi2_mask_store_1): Ditto.
        (*avx512vl_<code>v2div2si2_store_1): Ditto.
        (*avx512vl_<code>v2div2si2_mask_store_1): Ditto.
        (*avx512f_<code>v8div16qi2_store_1): Ditto.
        (*avx512f_<code>v8div16qi2_mask_store_1): Ditto.
        (*avx512vl_<code>v2div2qi2_store_2): New define_insn_and_split.
        (*avx512vl_<code>v2div2qi2_mask_store_2): Ditto.
        (*avx512vl_<code><mode>v4qi2_store_2): Ditto.
        (*avx512vl_<code><mode>v4qi2_mask_store_2): Ditto.
        (*avx512vl_<code><mode>v8qi2_store_2): Ditto.
        (*avx512vl_<code><mode>v8qi2_mask_store_2): Ditto.
        (*avx512vl_<code><mode>v4hi2_store_2): Ditto.
        (*avx512vl_<code><mode>v4hi2_mask_store_2): Ditto.
        (*avx512vl_<code>v2div2hi2_store_2): Ditto.
        (*avx512vl_<code>v2div2hi2_mask_store_2): Ditto.
        (*avx512vl_<code>v2div2si2_store_2): Ditto.
        (*avx512vl_<code>v2div2si2_mask_store_2): Ditto.
        (*avx512f_<code>v8div16qi2_store_2): Ditto.
        (*avx512f_<code>v8div16qi2_mask_store_2): Ditto.
        * config/i386/i386-builtin-types.def: Adjust builtin type.
        * config/i386/i386-expand.c: Ditto.
        * config/i386/i386-builtin.def: Adjust builtin.
        * config/i386/avx512fintrin.h: Ditto.
        * config/i386/avx512vlbwintrin.h: Ditto.
        * config/i386/avx512vlintrin.h: Ditto.

2020-05-28  Dong JianQiang  <dongjianqiang2@huawei.com>

        PR gcov-profile/95332
        * gcov-io.c (gcov_var::endian): Move field.
        (from_file): Add IN_GCOV_TOOL check.
        * gcov-io.h (gcov_magic): Ditto.

2020-05-28  Max Filippov  <jcmvbkbc@gmail.com>

        * config/xtensa/xtensa.c (xtensa_delegitimize_address): New
        function.
        (TARGET_DELEGITIMIZE_ADDRESS): New macro.

2020-05-27  Eric Botcazou  <ebotcazou@adacore.com>

        * builtin-types.def (BT_UINT128): New primitive type.
        (BT_FN_UINT128_UINT128): New function type.
        * builtins.def (BUILT_IN_BSWAP128): New GCC builtin.
        * doc/extend.texi (__builtin_bswap128): Document it.
        * builtins.c (expand_builtin): Deal with BUILT_IN_BSWAP128.
        (is_inexpensive_builtin): Likewise.
        * fold-const-call.c (fold_const_call_ss): Likewise.
        * fold-const.c (tree_call_nonnegative_warnv_p): Likewise.
        * tree-ssa-ccp.c (evaluate_stmt): Likewise.
        * tree-vect-stmts.c (vect_get_data_ptr_increment): Likewise.
        (vectorizable_call): Likewise.
        * optabs.c (expand_unop): Always use the double word path for it.
        * tree-core.h (enum tree_index): Add TI_UINT128_TYPE.
        * tree.h (uint128_type_node): New global type.
        * tree.c (build_common_tree_nodes): Build it if TImode is supported.

2020-05-27  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/mmx.md (*mmx_haddv2sf3): Remove SSE alternatives.
        (mmx_hsubv2sf3): Ditto.
        (mmx_haddsubv2sf3): New expander.
        (*mmx_haddsubv2sf3): Rename from mmx_addsubv2sf3. Correct
        RTL template to model horizontal subtraction and addition.
        * config/i386/i386-builtin.def (IX86_BUILTIN_PFPNACC):
        Update for rename.

2020-05-27  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95355
        * config/i386/sse.md
        (<mask_codefor>avx512f_<code>v16qiv16si2<mask_name>):
        Remove %q operand modifier from insn template.
        (avx512f_<code>v8hiv8di2<mask_name>): Ditto.

2020-05-27  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/mmx.md (mmx_pswapdsf2): Add SSE alternatives.
        Enable insn pattern for TARGET_MMX_WITH_SSE.
        (*mmx_movshdup): New insn pattern.
        (*mmx_movsldup): Ditto.
        (*mmx_movss): Ditto.
        * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const):
        Handle E_V2SFmode.
        (expand_vec_perm_movs): Handle E_V2SFmode.
        (expand_vec_perm_even_odd): Ditto.
        (expand_vec_perm_broadcast_1): Assert that E_V2SFmode
        is already handled by standard shuffle patterns.

2020-05-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95295
        * tree-ssa-loop-im.c (sm_seq_valid_bb): Fix sinking after
        merging stores from paths.

2020-05-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95356
        * tree-vect-stmts.c (vectorizable_shift): Adjust vector
        type for the shift operand.

2020-05-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95335
        * tree-vect-slp.c (vect_slp_analyze_node_operations): Reset
        lvisited for nodes made external.

2020-05-27  Richard Biener  <rguenther@suse.de>

        * dump-context.h (debug_dump_context): New class.
        (dump_context): Make it friend.
        * dumpfile.c (debug_dump_context::debug_dump_context):
        Implement.
        (debug_dump_context::~debug_dump_context): Likewise.
        * tree-vect-slp.c: Include dump-context.h.
        (vect_print_slp_tree): Dump a single SLP node.
        (debug): New overload for slp_tree.
        (vect_print_slp_graph): Rename from vect_print_slp_tree and
        use that.
        (vect_analyze_slp_instance): Adjust.

2020-05-27  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/95315
        * omp-general.c (omp_declare_variant_remove_hook): New function.
        (omp_resolve_declare_variant): Always return base if it is already
        declare_variant_alt magic decl itself.  Register
        omp_declare_variant_remove_hook as cgraph node removal hook.

2020-05-27  Jeff Law  <law@redhat.com>

        * config/h8300/testcompare.md (tst_extzv_1_n): Do not accept constants
        for the primary input operand.
        (tstsi_variable_bit_qi): Similarly.

2020-05-26  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/mmx.md (mmx_pswapdv2si2): Add SSE2 alternative.

2020-05-26  Tobias Burnus  <tobias@codesourcery.com>

        PR ipa/95320
        * ipa-utils.h (odr_type_p): Also permit calls with
        only flag_generate_offload set.

2020-05-26  Alexandre Oliva  <oliva@adacore.com>

        * gcc.c (validate_switches): Add braced parameter.  Adjust all
        callers.  Expected and skip trailing brace only if braced.
        Return after handling one atom otherwise.
        (DUMPS_OPTIONS): New.
        (cpp_debug_options): Define in terms of it.

2020-05-26  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95327
        * tree-vect-stmts.c (vectorizable_shift): Compute op1_vectype
        when we are not using a scalar shift.

2020-05-26  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/mmx.md (*mmx_pshufd_1): New insn pattern.
        * config/i386/i386-expand.c (ix86_vectorize_vec_perm_const):
        Handle E_V2SImode and E_V4HImode.
        (expand_vec_perm_even_odd_1): Handle E_V4HImode.
        Assert that E_V2SImode is already handled.
        (expand_vec_perm_broadcast_1): Assert that E_V2SImode
        is already handled by standard shuffle patterns.

2020-05-26  Jan Hubicka  <jh@suse.cz>

        * tree.c (free_lang_data_in_type): Simpify types of TYPE_VALUES in
        enumeral types.

2020-05-26  Jakub Jelinek  <jakub@redhat.com>

        PR c++/95197
        * gimplify.c (find_combined_omp_for): Move to omp-general.c.
        * omp-general.h (find_combined_omp_for): Declare.
        * omp-general.c: Include tree-iterator.h.
        (find_combined_omp_for): New function, moved from gimplify.c.

2020-05-26  Alexandre Oliva  <oliva@adacore.com>

        * common.opt (aux_base_name): Define.
        (dumpbase, dumpdir): Mark as Driver options.
        (-dumpbase, -dumpdir): Likewise.
        (dumpbase-ext, -dumpbase-ext): New.
        (auxbase, auxbase-strip): Drop.
        * doc/invoke.texi (-dumpbase, -dumpbase-ext, -dumpdir):
        Document.
        (-o): Introduce the notion of primary output, mention it
        influences auxiliary and dump output names as well, add
        examples.
        (-save-temps): Adjust, move examples into -dump*.
        (-save-temps=cwd, -save-temps=obj): Likewise.
        (-fdump-final-insns): Adjust.
        * dwarf2out.c (gen_producer_string): Drop auxbase and
        auxbase_strip; add dumpbase_ext.
        * gcc.c (enum save_temps): Add SAVE_TEMPS_DUMP.
        (save_temps_prefix, save_temps_length): Drop.
        (save_temps_overrides_dumpdir): New.
        (dumpdir, dumpbase, dumpbase_ext): New.
        (dumpdir_length, dumpdir_trailing_dash_added): New.
        (outbase, outbase_length): New.
        (The Specs Language): Introduce %".  Adjust %b and %B.
        (ASM_FINAL_SPEC): Use %b.dwo for an aux output name always.
        Precede object file with %w when it's the primary output.
        (cpp_debug_options): Do not pass on incoming -dumpdir,
        -dumpbase and -dumpbase-ext options; recompute them with
        %:dumps.
        (cc1_options): Drop auxbase with and without compare-debug;
        use cpp_debug_options instead of dumpbase.  Mark asm output
        with %w when it's the primary output.
        (static_spec_functions): Drop %:compare-debug-auxbase-opt and
        %:replace-exception.  Add %:dumps.
        (driver_handle_option): Implement -save-temps=*/-dumpdir
        mutual overriding logic.  Save dumpdir, dumpbase and
        dumpbase-ext options.  Do not save output_file in
        save_temps_prefix.
        (adds_single_suffix_p): New.
        (single_input_file_index): New.
        (process_command): Combine output dir, output base name, and
        dumpbase into dumpdir and outbase.
        (set_collect_gcc_options): Pass a possibly-adjusted -dumpdir.
        (do_spec_1): Optionally dumpdir instead of save_temps_prefix,
        and outbase instead of input_basename in %b, %B and in
        -save-temps aux files.  Handle empty argument %".
        (driver::maybe_run_linker): Adjust dumpdir and auxbase.
        (compare_debug_dump_opt_spec_function): Adjust gkd dump file
        naming.  Spec-quote the computed -fdump-final-insns file name.
        (debug_auxbase_opt): Drop.
        (compare_debug_self_opt_spec_function): Drop auxbase-strip
        computation.
        (compare_debug_auxbase_opt_spec_function): Drop.
        (not_actual_file_p): New.
        (replace_extension_spec_func): Drop.
        (dumps_spec_func): New.
        (convert_white_space): Split-out parts into...
        (quote_string, whitespace_to_convert_p): ... these.  New.
        (quote_spec_char_p, quote_spec, quote_spec_arg): New.
        (driver::finalize): Release and reset new variables; drop
        removed ones.
        * lto-wrapper.c (HAVE_TARGET_EXECUTABLE_SUFFIX): Define if...
        (TARGET_EXECUTABLE_SUFFIX): ... is defined; define this to the
        empty string otherwise.
        (DUMPBASE_SUFFIX): Drop leading period.
        (debug_objcopy): Use concat.
        (run_gcc): Recognize -save-temps=* as -save-temps too.  Obey
        -dumpdir.  Pass on empty dumpdir and dumpbase with a directory
        component.  Simplify temp file names.
        * opts.c (finish_options): Drop aux base name handling.
        (common_handle_option): Drop auxbase-strip handling.
        * toplev.c (print_switch_values): Drop auxbase, add
        dumpbase-ext.
        (process_options): Derive aux_base_name from dump_base_name
        and dump_base_ext.
        (lang_dependent_init): Compute dump_base_ext along with
        dump_base_name.  Disable stack usage and callgraph-info during
        lto generation and compare-debug recompilation.

2020-05-26  Hongtao Liu  <hongtao.liu@intel.com>
            Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95211
        PR target/95256
        * config/i386/sse.md (<floatunssuffix>v2div2sf2): New expander.
        (fix<fixunssuffix>_truncv2sfv2di2): Ditto.
        (avx512dq_float<floatunssuffix>v2div2sf2): Renaming from
        float<floatunssuffix>v2div2sf2.
        (avx512dq_fix<fixunssuffix>_truncv2sfv2di2<mask_name>):
        Renaming from fix<fixunssuffix>_truncv2sfv2di2<mask_name>.
        (vec_pack<floatprefix>_float_<mode>): Adjust icode name.
        (vec_unpack_<fixprefix>fix_trunc_lo_<mode>): Ditto.
        (vec_unpack_<fixprefix>fix_trunc_hi_<mode>): Ditto.
        * config/i386/i386-builtin.def: Ditto.
        * emit-rtl.c (validate_subreg): Allow use of *paradoxical* vector
        subregs when both omode and imode are vector mode and
        have the same inner mode.

2020-05-25  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple-ssa-store-merging.c (merged_store_group::can_be_merged_into):
        Only turn MEM_REFs into bit-field stores for small bit-field regions.
        (imm_store_chain_info::output_merged_store): Be prepared for sources
        with non-integral type in the bit-field insertion case.
        (pass_store_merging::process_store): Use MAX_BITSIZE_MODE_ANY_INT as
        the largest size for the bit-field case.

2020-05-25  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/mmx.md (*vec_dupv2sf): Redefine as define_insn.
        (mmx_pshufw_1): Change Yv constraint to xYw.  Correct type attribute.
        (*vec_dupv4hi): Redefine as define_insn.
        Remove alternative with general register input.
        (*vec_dupv2si): Ditto.

2020-05-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95309
        * tree-vect-slp.c (vect_get_constant_vectors): Move number
        of vector computation ...
        (vect_slp_analyze_node_operations): ... to analysis phase.

2020-05-25  Jan Hubicka  <hubicka@ucw.cz>

        * lto-streamer-out.c (lto_output_tree): Add streamer_debugging check.
        * lto-streamer.h (streamer_debugging): New constant
        * tree-streamer-in.c (streamer_read_tree_bitfields): Add
        streamer_debugging check.
        (streamer_get_pickled_tree): Likewise.
        * tree-streamer-out.c (pack_ts_base_value_fields): Likewise.

2020-05-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95308
        * tree-ssa-forwprop.c (pass_forwprop::execute): Generalize
        test for TARGET_MEM_REFs.

2020-05-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95295
        * tree-ssa-loop-im.c (sm_seq_valid_bb): Compare remat stores
        RHSes and drop to full sm_other if they are not equal.

2020-05-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95271
        * tree-vect-stmts.c (vectorizable_bswap): Update invariant SLP
        children vector type.
        (vectorizable_call): Pass down slp ops.

2020-05-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95297
        * tree-vect-stmts.c (vectorizable_shift): For scalar_shift_arg
        skip updating operand 1 vector type.

2020-05-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95284
        * tree-ssa-sink.c (sink_common_stores_to_bb): Amend previous
        fix.

2020-05-25  Hongtao Liu  <hongtao.liu@intel.com>

        PR target/95125
        * config/i386/sse.md (sf2dfmode_lower): New mode attribute.
        (trunc<mode><sf2dfmode_lower>2) New expander.
        (extend<sf2dfmode_lower><mode>2): Ditto.

2020-05-23 Iain Sandoe <iain@sandoe.co.uk>

        * config/darwin.h (ASM_GENERATE_INTERNAL_LABEL): Make
        ubsan_{data,type},ASAN symbols linker-visible.

2020-05-22  Jan Hubicka  <hubicka@ucw.cz>

        * lto-streamer-out.c (DFS::DFS): Silence warning.

2020-05-22  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95255
        * config/i386/i386.md (<rounding_insn><mode>2): Do not try to
        expand non-sse4 ROUND_ROUNDEVEN rounding via SSE support routines.

2020-05-22  Jan Hubicka  <hubicka@ucw.cz>

        * lto-streamer-out.c (lto_output_tree): Do not stream final ref if
        it is not needed.

2020-05-22  Jan Hubicka  <hubicka@ucw.cz>

        * lto-section-out.c (lto_output_decl_index): Adjust dump indentation.
        * lto-streamer-out.c (create_output_block): Fix whitespace
        (lto_write_tree_1): Add (debug) dump.
        (DFS::DFS): Add dump.
        (DFS::DFS_write_tree_body): Do not dump here.
        (lto_output_tree): Improve dumping; do not stream ref when not needed.
        (produce_asm_for_decls): Fix whitespace.
        * tree-streamer-out.c (streamer_write_tree_header): Add dump.
        * tree-streamer-out.c (streamer_write_integer_cst): Add debug dump.

2020-05-22  Hongtao.liu  <hongtao.liu@intel.com>

        PR target/92658
        * config/i386/sse.md (trunc<pmov_src_lower><mode>2): New expander
        (truncv32hiv32qi2): Ditto.
        (trunc<ssedoublemodelower><mode>2): Ditto.
        (trunc<mode><pmov_dst_3>2): Ditto.
        (trunc<mode><pmov_dst_mode_4>2): Ditto.
        (truncv2div2si2): Ditto.
        (truncv8div8qi2): Ditto.
        (avx512f_<code>v8div16qi2): Renaming from *avx512f_<code>v8div16qi2.
        (avx512vl_<code>v2div2si): Renaming from *avx512vl_<code>v2div2si2.
        (avx512vl_<code><mode>v2<ssecakarnum>qi2): Renaming from
        *avx512vl_<code><mode>v<ssescalarnum>qi2.

2020-05-22  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/95258
        * config/i386/driver-i386.c (host_detect_local_cpu): Detect
        AVX512VPOPCNTDQ.

2020-05-22  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95268
        * tree-ssa-sink.c (sink_common_stores_to_bb): Handle clobbers
        properly.

2020-05-22  Jan Hubicka  <hubicka@ucw.cz>

        * tree-streamer.c (record_common_node): Fix hash value of pre-streamed
        nodes.

2020-05-22  Jan Hubicka  <hubicka@ucw.cz>

        * lto-streamer-in.c (lto_read_tree): Do not stream end markers.
        (lto_input_scc): Optimize streaming of entry lengths.
        * lto-streamer-out.c (lto_write_tree): Do not stream end markers
        (DFS::DFS): Optimize stremaing of entry lengths

2020-05-22  Richard Biener  <rguenther@suse.de>

        PR lto/95190
        * doc/invoke.texi (flto): Document behavior of diagnostic
        options.

2020-05-22  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (vect_is_simple_use): New overload.
        (vect_maybe_update_slp_op_vectype): New.
        * tree-vect-stmts.c (vect_is_simple_use): New overload
        accessing operands of SLP vs. non-SLP operation transparently.
        (vect_maybe_update_slp_op_vectype): New function updating
        the possibly shared SLP operands vector type.
        (vectorizable_operation): Be a bit more SLP vs non-SLP agnostic
        using the new vect_is_simple_use overload;  update SLP invariant
        operand nodes vector type.
        (vectorizable_comparison): Likewise.
        (vectorizable_call): Likewise.
        (vectorizable_conversion): Likewise.
        (vectorizable_shift): Likewise.
        (vectorizable_store): Likewise.
        (vectorizable_condition): Likewise.
        (vectorizable_assignment): Likewise.
        * tree-vect-loop.c (vectorizable_reduction): Likewise.
        * tree-vect-slp.c (vect_get_constant_vectors): Enforce
        present SLP_TREE_VECTYPE and check it matches previous
        behavior.

2020-05-22  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95248
        * tree-ssa-loop-im.c (sm_seq_valid_bb): Remove bogus early out.

2020-05-22  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (_slp_tree::_slp_tree): New.
        (_slp_tree::~_slp_tree): Likewise.
        * tree-vect-slp.c (_slp_tree::_slp_tree): Factor out code
        from allocators.
        (_slp_tree::~_slp_tree): Implement.
        (vect_free_slp_tree): Simplify.
        (vect_create_new_slp_node): Likewise.  Add nops parameter.
        (vect_build_slp_tree_2): Adjust.
        (vect_analyze_slp_instance): Likewise.

2020-05-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * adjust-alignment.c: Include memmodel.h.

2020-05-21  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/95260
        * config/i386/cpuid.h: Use hexadecimal in comments.

2020-05-21  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/95212
        * config/i386/i386-builtins.c (processor_features): Move
        F_AVX512VP2INTERSECT after F_AVX512BF16.
        (isa_names_table): Likewise.

2020-05-21  Martin Liska  <mliska@suse.cz>

        * common/config/aarch64/aarch64-common.c (aarch64_handle_option):
        Handle OPT_moutline_atomics.
        * config/aarch64/aarch64.c: Add outline-atomics to
        aarch64_attributes.
        * doc/extend.texi: Document the newly added target attribute.

2020-05-21  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95218

        * config/i386/mmx.md (*mmx_<code>v2sf): Do not mark
        operands 1 and 2 commutative.  Manually swap operands.
        (*mmx_nabsv2sf2): Ditto.

        Partially revert:
        2020-05-18  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*<code>tf2_1):
        Mark operands 1 and 2 commutative.
        (*nabstf2_1): Ditto.
        * config/i386/sse.md (*<code><mode>2): Mark operands 1 and 2
        commutative.  Do not swap operands.
        (*nabs<mode>2): Ditto.

2020-05-20  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95229
        * config/i386/sse.md (<code>v8qiv8hi2): Use
        simplify_gen_subreg instead of simplify_subreg.
        (<code>v8qiv8si2): Ditto.
        (<code>v4qiv4si2): Ditto.
        (<code>v4hiv4si2): Ditto.
        (<code>v8qiv8di2): Ditto.
        (<code>v4qiv4di2): Ditto.
        (<code>v2qiv2di2): Ditto.
        (<code>v4hiv4di2): Ditto.
        (<code>v2hiv2di2): Ditto.
        (<code>v2siv2di2): Ditto.

2020-05-20  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95238
        * config/i386/i386.md (*pushsi2_rex64):
        Use "e" constraint instead of "i".

2020-05-20  Jan Hubicka  <hubicka@ucw.cz>

        * lto-streamer-in.c (lto_input_scc): Add SHARED_SCC parameter.
        (lto_input_tree_1): Strenghten sanity check.
        (lto_input_tree): Update call of lto_input_scc.
        * lto-streamer-out.c: Include ipa-utils.h
        (create_output_block): Initialize local_trees if merigng is going
        to happen.
        (destroy_output_block): Destroy local_trees.
        (DFS): Add max_local_entry.
        (local_tree_p): New function.
        (DFS::DFS): Initialize and maintain it.
        (DFS::DFS_write_tree): Decide on streaming format.
        (lto_output_tree): Stream inline singleton SCCs
        * lto-streamer.h (enum LTO_tags): Add LTO_trees.
        (struct output_block): Add local_trees.
        (lto_input_scc): Update prototype.

2020-05-20  Patrick Palka  <ppalka@redhat.com>

        PR c++/95223
        * hash-table.h (hash_table::find_with_hash): Move up the call to
        hash_table::verify.

2020-05-20  Martin Liska  <mliska@suse.cz>

        * lto-compress.c (lto_compression_zstd): Fill up
        num_compressed_il_bytes.
        (lto_uncompression_zstd): Likewise for num_uncompressed_il_bytes here.

2020-05-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95219
        * tree-vect-loop.c (vectorizable_induction): Reduce
        group_size before computing the number of required IVs.

2020-05-20  Richard Biener  <rguenther@suse.de>

        PR middle-end/95231
        * tree-inline.c (remap_gimple_stmt): Revert adjusting
        COND_EXPR and VEC_COND_EXPR for a -fnon-call-exception boundary.

2020-05-20  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
            Andre Vieira  <andre.simoesdiasvieira@arm.com>

        PR target/94959
        * config/arm/arm-protos.h (arm_mode_base_reg_class): Function
        declaration.
        (mve_vector_mem_operand): Likewise.
        * config/arm/arm.c (thumb2_legitimate_address_p): For MVE target check
        the load from memory to a core register is legitimate for give mode.
        (mve_vector_mem_operand): Define function.
        (arm_print_operand): Modify comment.
        (arm_mode_base_reg_class): Define.
        * config/arm/arm.h (MODE_BASE_REG_CLASS): Modify to add check for
        TARGET_HAVE_MVE and expand to arm_mode_base_reg_class on TRUE.
        * config/arm/constraints.md (Ux): Likewise.
        (Ul): Likewise.
        * config/arm/mve.md (mve_mov): Replace constraint Us with Ux and also
        add support for missing Vector Store Register and Vector Load Register.
        Add a new alternative to support load from memory to PC (or label) in
        vector store/load.
        (mve_vstrbq_<supf><mode>): Modify constraint Us to Ux.
        (mve_vldrbq_<supf><mode>): Modify constriant Us to Ux, predicate to
        mve_memory_operand and also modify the MVE instructions to emit.
        (mve_vldrbq_z_<supf><mode>): Modify constraint Us to Ux.
        (mve_vldrhq_fv8hf): Modify constriant Us to Ux, predicate to
        mve_memory_operand and also modify the MVE instructions to emit.
        (mve_vldrhq_<supf><mode>): Modify constriant Us to Ux, predicate to
        mve_memory_operand and also modify the MVE instructions to emit.
        (mve_vldrhq_z_fv8hf): Likewise.
        (mve_vldrhq_z_<supf><mode>): Likewise.
        (mve_vldrwq_fv4sf): Likewise.
        (mve_vldrwq_<supf>v4si): Likewise.
        (mve_vldrwq_z_fv4sf): Likewise.
        (mve_vldrwq_z_<supf>v4si): Likewise.
        (mve_vld1q_f<mode>): Modify constriant Us to Ux.
        (mve_vld1q_<supf><mode>): Likewise.
        (mve_vstrhq_fv8hf): Modify constriant Us to Ux, predicate to
        mve_memory_operand.
        (mve_vstrhq_p_fv8hf): Modify constriant Us to Ux, predicate to
        mve_memory_operand and also modify the MVE instructions to emit.
        (mve_vstrhq_p_<supf><mode>): Likewise.
        (mve_vstrhq_<supf><mode>): Modify constriant Us to Ux, predicate to
        mve_memory_operand.
        (mve_vstrwq_fv4sf): Modify constriant Us to Ux.
        (mve_vstrwq_p_fv4sf): Modify constriant Us to Ux and also modify the MVE
        instructions to emit.
        (mve_vstrwq_p_<supf>v4si): Likewise.
        (mve_vstrwq_<supf>v4si): Likewise.Modify constriant Us to Ux.
        * config/arm/predicates.md (mve_memory_operand): Define.

2020-05-30  Richard Biener  <rguenther@suse.de>

        PR c/95141
        * c-fold.c (c_fully_fold_internal): Enhance guard on
        overflow_warning.

2020-05-20  Kito Cheng  <kito.cheng@sifive.com>

        PR target/90811
        * Makefile.in (OBJS): Add adjust-alignment.o.
        * adjust-alignment.c (pass_data_adjust_alignment): New.
        (pass_adjust_alignment): New.
        (pass_adjust_alignment::execute): New.
        (make_pass_adjust_alignment): New.
        * tree-pass.h (make_pass_adjust_alignment): New.
        * passes.def: Add pass_adjust_alignment.

2020-05-19  Alex Coplan  <alex.coplan@arm.com>

        PR target/94591
        * config/aarch64/aarch64.c (aarch64_evpc_rev_local): Don't match
        identity permutation.

2020-05-19  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * doc/sourcebuild.texi: Document new short_eq_int, ptr_eq_short,
        msp430_small, msp430_large and size24plus DejaGNU effective
        targets.
        Improve grammar in descriptions for size20plus and size32plus effective
        targets.

2020-05-19  Jose E. Marchesi  <jose.marchesi@oracle.com>

        * config/bpf/bpf.c (bpf_compute_frame_layout): Include space for
        callee saved registers only in xBPF.
        (bpf_expand_prologue): Save callee saved registers only in xBPF.
        (bpf_expand_epilogue): Likewise for restoring.
        * doc/invoke.texi (eBPF Options): Document this is activated by
        -mxbpf.

2020-05-19  Jose E. Marchesi  <jose.marchesi@oracle.com>

        * config/bpf/bpf.opt (mxbpf): New option.
        * doc/invoke.texi (Option Summary): Add -mxbpf.
        (eBPF Options): Document -mxbbpf.

2020-05-19  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/92658
        * config/i386/sse.md (<code>v16qiv16hi2): New expander.
        (<code>v32qiv32hi2): Ditto.
        (<code>v8qiv8hi2): Ditto.
        (<code>v16qiv16si2): Ditto.
        (<code>v8qiv8si2): Ditto.
        (<code>v4qiv4si2): Ditto.
        (<code>v16hiv16si2): Ditto.
        (<code>v8hiv8si2): Ditto.
        (<code>v4hiv4si2): Ditto.
        (<code>v8qiv8di2): Ditto.
        (<code>v4qiv4di2): Ditto.
        (<code>v2qiv2di2): Ditto.
        (<code>v8hiv8di2): Ditto.
        (<code>v4hiv4di2): Ditto.
        (<code>v2hiv2di2): Ditto.
        (<code>v8siv8di2): Ditto.
        (<code>v4siv4di2): Ditto.
        (<code>v2siv2di2): Ditto.

2020-05-19  Kito Cheng  <kito.cheng@sifive.com>

        * common/config/riscv/riscv-common.c (riscv_implied_info_t): New.
        (riscv_implied_info): New.
        (riscv_subset_list): Add handle_implied_ext.
        (riscv_subset_list::to_string): New parameter version_p to
        control output format.
        (riscv_subset_list::handle_implied_ext): New.
        (riscv_subset_list::parse_std_ext): Call handle_implied_ext.
        (riscv_arch_str): New parameter version_p to control output format.
        (riscv_expand_arch): New.
        * config/riscv/riscv-protos.h (riscv_arch_str): New parameter,
        version_p.
        * config/riscv/riscv.h (riscv_expand_arch): New,
        (EXTRA_SPEC_FUNCTIONS): Define.
        (ASM_SPEC): Transform -march= via riscv_expand_arch.

2020-05-19  Kito Cheng  <kito.cheng@sifive.com>

        * riscv-common.c (parse_sv_or_non_std_ext): Rename to
        parse_multiletter_ext.
        (parse_multiletter_ext): Add parsing `h` and `z`, drop `sx`,
        adjust parsing order for 's' and 'x'.

2020-05-19  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (_slp_tree::vectype): Add field.
        (SLP_TREE_VECTYPE): New.
        * tree-vect-slp.c (vect_create_new_slp_node): Initialize
        SLP_TREE_VECTYPE.
        (vect_create_new_slp_node): Likewise.
        (vect_prologue_cost_for_slp): Move here from tree-vect-stmts.c
        and simplify.
        (vect_slp_analyze_node_operations): Walk nodes children for
        invariant costing.
        (vect_get_constant_vectors): Use local scope op variable.
        * tree-vect-stmts.c (vect_prologue_cost_for_slp_op): Remove here.
        (vect_model_simple_cost): Adjust.
        (vect_model_store_cost): Likewise.
        (vectorizable_store): Likewise.

2020-05-18  Martin Sebor  <msebor@redhat.com>

        PR middle-end/92815
        * tree-object-size.c (decl_init_size): New function.
        (addr_object_size): Call it.
        * tree.h (last_field): Declare.
        (first_field): Add attribute nonnull.

2020-05-18  Martin Sebor  <msebor@redhat.com>

        PR middle-end/94940
        * tree-vrp.c (vrp_prop::check_mem_ref): Remove unreachable code.
        * tree.c (component_ref_size): Correct the handling or array members
        of unions.
        Drop a pointless test.
        Rename a local variable.

2020-05-18  Jason Merrill  <jason@redhat.com>

        * aclocal.m4: Add ax_cxx_compile_stdcxx.m4.
        * configure.ac: Use AX_CXX_COMPILE_STDCXX(11).

2020-05-14  Jason Merrill  <jason@redhat.com>

        * doc/install.texi (Prerequisites): Update boostrap compiler
        requirement to C++11/GCC 4.8.

2020-05-18  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>

        PR tree-optimization/94952
        * gimple-ssa-store-merging.c (pass_store_merging::process_store):
        Initialize variables bitpos, bitregion_start, and bitregion_end in
        order to silence warnings about use of uninitialized variables.

2020-05-18  Carl Love  <cel@us.ibm.com>

        PR target/94833
        * config/rs6000/vsx.md (define_expand): Fix instruction generation for
        first_match_index_<mode>.
        * testsuite/gcc.target/powerpc/builtins-8-p9-runnable.c (main): Add
        additional test cases with zero vector elements.

2020-05-18  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95169
        * config/i386/i386-expand.c (ix86_expand_int_movcc):
         Avoid reversing a non-trapping comparison to a trapping one.

2020-05-18  Alex Coplan  <alex.coplan@arm.com>

        * config/arm/arm.c (output_move_double): Fix codegen when loading into
        a register pair with an odd base register.

2020-05-18  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-expand.c (ix86_expand_fp_absneg_operator):
        Do not emit FLAGS_REG clobber for TFmode.
        * config/i386/i386.md (*<code>tf2_1): Rewrite as
        define_insn_and_split.  Mark operands 1 and 2 commutative.
        (*nabstf2_1): Ditto.
        (absneg SSE splitter): Use MODEF mode iterator instead of SSEMODEF.
        Do not swap memory operands.  Simplify RTX generation.
        (neg abs SSE splitter): Ditto.
        * config/i386/sse.md (*<code><mode>2): Mark operands 1 and 2
        commutative.  Do not swap operands.  Simplify RTX generation.
        (*nabs<mode>2): Ditto.

2020-05-18  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_slp_bb): Start after labels.
        (vect_get_constant_vectors): Really place init stmt after scalar defs.
        * tree-vect-stmts.c (vect_init_vector_1): Insert before
        region begin.

2020-05-18  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/driver-i386.c (host_detect_local_cpu): Support
        Intel Airmont, Tremont, Comet Lake, Ice Lake and Tiger Lake
        processor families.

2020-05-18  Richard Biener  <rguenther@suse.de>

        PR middle-end/95171
        * tree-inline.c (remap_gimple_stmt): Split out trapping compares
        when inlining into a non-call EH function.

2020-05-18  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95172
        * tree-ssa-loop-im.c (execute_sm): Get flag whether we
        eventually need the conditional processing.
        (execute_sm_exit): When processing an orderd sequence
        avoid doing any conditional processing.
        (hoist_memory_references): Pass down whether all edges
        have ordered processing for a ref to execute_sm.

2020-05-17 Jeff Law  <law@redhat.com>

        * config/h8300/predicates.md (pc_or_label_operand): New predicate.
        * config/h8300/jumpcall.md (branch_true, branch_false): Consolidate
        into a single pattern using pc_or_label_operand.
        * config/h8300/combiner.md (bit branch patterns): Likewise.
        * config/h8300/peepholes.md (HImode and SImode branches): Likewise.

2020-05-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/95021
        * config/i386/i386-features.c (has_non_address_hard_reg):
        Renamed to ...
        (pseudo_reg_set): This.  Return the SET expression.  Ignore
        pseudo register push.
        (general_scalar_to_vector_candidate_p): Combine single_set and
        has_non_address_hard_reg calls to pseudo_reg_set.
        (timode_scalar_to_vector_candidate_p): Likewise.
        * config/i386/i386.md (*pushv1ti2): New pattern.

2020-05-17  Aldy Hernandez  <aldyh@redhat.com>

        Revert:
        2020-05-17  Aldy Hernandez  <aldyh@redhat.com>

        * tree-vrp.c (operand_less_p): Move to...
        * vr-values.c (operand_less_p): ...here.
        * tree-vrp.h (operand_less_p): Remove.

2020-05-17  Aldy Hernandez  <aldyh@redhat.com>

        * tree-vrp.c (operand_less_p): Move to...
        * vr-values.c (operand_less_p): ...here.
        * tree-vrp.h (operand_less_p): Remove.

2020-05-17  Aldy Hernandez  <aldyh@redhat.com>

        * tree-vrp.c (class vrp_insert): Remove prototype for
        live_on_edge.

2020-05-17  Aldy Hernandez  <aldyh@redhat.com>

        * tree-vrp.c (class live_names): New.
        (live_on_edge): Move into live_names.
        (build_assert_expr_for): Move into vrp_insert.
        (find_assert_locations_in_bb): Rename from
        find_assert_locations_1.
        (process_assert_insertions_for): Move into vrp_insert.
        (compare_assert_loc): Same.
        (remove_range_assertions): Same.
        (dump_asserts_for): Rename to vrp_insert::dump.
        (debug_asserts_for): Rename to vrp_insert::debug.
        (dump_all_asserts): Rename to vrp_insert::dump.
        (debug_all_asserts): Rename to vrp_insert::debug.

2020-05-17  Aldy Hernandez  <aldyh@redhat.com>

        * tree-vrp.c (class vrp_prop): Move check_all_array_refs,
        check_array_ref, check_mem_ref, and search_for_addr_array
        into new class...
        (class array_bounds_checker): ...here.
        (class check_array_bounds_dom_walker): Adjust to use
        array_bounds_checker.
        (check_all_array_refs): Move into array_bounds_checker and rename
        to check.
        (class vrp_folder): Make fold_predicate_in private.

2020-05-15 Jeff Law  <law@redhat.com>

        * config/h8300/h8300.md (SFI iterator): New iterator for
        SFmode and SImode.
        * config/h8300/peepholes.md (memory comparison): Use mode
        iterator to consolidate 3 patterns into one.
        (stack allocation and stack store): Handle SFmode.  Handle
        8 byte allocations.

2020-05-15  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000-builtin.def (BU_FUTURE_MISC_2): Also require
        RS6000_BTM_POWERPC64.

2020-05-15  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (SWI48DWI): New mode iterator.
        (*push<mode>2): Allow XMM registers.
        (*pushdi2_rex64): Ditto.
        (*pushsi2_rex64): Ditto.
        (*pushsi2): Ditto.
        (push XMM reg splitter): New splitter

        (*pushdf) Change "x" operand constraint to "v".
        (*pushsf_rex64): Ditto.
        (*pushsf): Ditto.

2020-05-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/92260
        * tree-vect-slp.c (vect_get_constant_vectors): Compute
        the number of vector stmts in a canonical way.

2020-05-15  Martin Liska  <mliska@suse.cz>

        * hsa-gen.c (get_symbol_for_decl): Fix misleading indentation
        warning.

2020-05-15  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (v<expander><mode>3): Fix unsignedp.

2020-05-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95133
        * gimple-ssa-split-paths.c
        (find_block_to_duplicate_for_splitting_paths): Check for
        normal edges.

2020-05-15  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/arm/arm.c (reg_needs_saving_p): Add support for interrupt
        routines.
        (arm_compute_save_reg0_reg12_mask): Use reg_needs_saving_p.

2020-05-15  Tobias Burnus  <tobias@codesourcery.com>

        PR middle-end/94635
        * gimplify.c (gimplify_scan_omp_clauses): For MAP_TO_PSET with
        OMP_TARGET_EXIT_DATA, use 'release:' unless the associated
        item is 'delete:'.

2020-05-15  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95046
        * config/i386/i386.md (isa): Add sse3_noavx.
        (enabled): Handle sse3_noavx.

        * config/i386/mmx.md (mmx_haddv2sf3): New expander.
        (*mmx_haddv2sf3): Rename from mmx_haddv2sf3.  Add SSE/AVX
        alternatives.  Match commutative vec_select selector operands.
        (*mmx_haddv2sf3_low): New insn pattern.

        (*mmx_hsubv2sf3): Add SSE/AVX alternatives.
        (*mmx_hsubv2sf3_low): New insn pattern.

2020-05-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/33315
        * tree-ssa-sink.c: Include tree-eh.h.
        (sink_stats): Add commoned member.
        (sink_common_stores_to_bb): New function implementing store
        commoning by sinking to the successor.
        (sink_code_in_bb): Call it, pass down TODO_cleanup_cfg returned.
        (pass_sink_code::execute): Likewise.  Record commoned stores
        in statistics.

2020-05-14  Xiong Hu Luo  <luoxhu@linux.ibm.com>

        PR rtl-optimization/37451, part of PR target/61837
        * loop-doloop.c (doloop_simplify_count): New function.  Simplify
        (add -1; zero_ext; add +1) to zero_ext when not wrapping.
        (doloop_modify): Call doloop_simplify_count.

2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>

        PR jit/94778
        * doc/sourcebuild.texi: Document effective target lgccjit.

2020-05-14  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (add<mode>3_zext_dup): Change to a
        define_expand, and rename the original to ...
        (add<mode>3_vcc_zext_dup): ... this, and add a custom VCC operand.
        (add<mode>3_zext_dup_exec): Likewise, with ...
        (add<mode>3_vcc_zext_dup_exec): ... this.
        (add<mode>3_zext_dup2): Likewise, with ...
        (add<mode>3_zext_dup_exec): ... this.
        (add<mode>3_zext_dup2_exec): Likewise, with ...
        (add<mode>3_zext_dup2): ... this.
        * config/gcn/gcn.c (gcn_expand_scalar_to_vector_address): Switch
        addv64di3_zext* calls to use addv64di3_vcc_zext*.

2020-05-14  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95046
        * config/i386/sse.md (truncv2dfv2df2): New insn pattern.
        (extendv2sfv2df2): Ditto.

2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>

        * configure: Regenerated.

2020-05-14  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/arm/arm.c (reg_needs_saving_p): New function.
        (use_return_insn): Use reg_needs_saving_p.
        (arm_get_vfp_saved_size): Likewise.
        (arm_compute_frame_layout): Likewise.
        (arm_save_coproc_regs): Likewise.
        (thumb1_expand_epilogue): Likewise.
        (arm_expand_epilogue_apcs_frame): Likewise.
        (arm_expand_epilogue): Likewise.

2020-05-14  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/arm/arm.c (thumb1_expand_prologue): Update error message.

2020-05-14  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95046
        * config/i386/sse.md (sse2_cvtpi2pd): Add memory to alternative 1.

        (floatv2siv2df2): New expander.
        (floatunsv2siv2df2): New insn pattern.

        (fix_truncv2dfv2si2): New expander.
        (fixuns_truncv2dfv2si2): New insn pattern.

2020-05-14  Richard Sandiford  <richard.sandiford@arm.com>

        PR target/95105
        * config/aarch64/aarch64-sve-builtins.cc
        (handle_arm_sve_vector_bits_attribute): Create a copy of the
        original type's TYPE_MAIN_VARIANT, then reapply all the differences
        between the original type and its main variant.

2020-05-14  Richard Biener  <rguenther@suse.de>

        PR middle-end/95118
        * real.c (real_to_decimal_for_mode): Make sure we handle
        a zero with nonzero exponent.

2020-05-14  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (GTFILES): Add omp-general.c.
        * cgraph.h (struct cgraph_node): Add declare_variant_alt and
        calls_declare_variant_alt members and initialize them in the
        ctor.
        * ipa.c (symbol_table::remove_unreachable_nodes): Handle direct
        calls to declare_variant_alt nodes.
        * lto-cgraph.c (lto_output_node): Write declare_variant_alt
        and calls_declare_variant_alt.
        (input_overwrite_node): Read them back.
        * omp-simd-clone.c (simd_clone_create): Copy calls_declare_variant_alt
        bit.
        * tree-inline.c (expand_call_inline): Or in calls_declare_variant_alt
        bit.
        (tree_function_versioning): Copy calls_declare_variant_alt bit.
        * omp-offload.c (execute_omp_device_lower): Call
        omp_resolve_declare_variant on direct function calls.
        (pass_omp_device_lower::gate): Also enable for
        calls_declare_variant_alt functions.
        * omp-general.c (omp_maybe_offloaded): Return false after inlining.
        (omp_context_selector_matches): Handle the case when
        cfun->curr_properties has PROP_gimple_any bit set.
        (struct omp_declare_variant_entry): New type.
        (struct omp_declare_variant_base_entry): New type.
        (struct omp_declare_variant_hasher): New type.
        (omp_declare_variant_hasher::hash, omp_declare_variant_hasher::equal):
        New methods.
        (omp_declare_variants): New variable.
        (struct omp_declare_variant_alt_hasher): New type.
        (omp_declare_variant_alt_hasher::hash,
        omp_declare_variant_alt_hasher::equal): New methods.
        (omp_declare_variant_alt): New variables.
        (omp_resolve_late_declare_variant): New function.
        (omp_resolve_declare_variant): Call omp_resolve_late_declare_variant
        when called late.  Create a magic declare_variant_alt fndecl and
        cgraph node and return that if decision needs to be deferred until
        after gimplification.
        * cgraph.c (symbol_table::create_edge): Or in calls_declare_variant_alt
        bit.

        PR middle-end/95108
        * omp-simd-clone.c (struct modify_stmt_info): Add after_stmt member.
        (ipa_simd_modify_stmt_ops): For PHIs, only add before first stmt in
        entry block if info->after_stmt is NULL, otherwise add after that stmt
        and update it after adding each stmt.
        (ipa_simd_modify_function_body): Initialize info.after_stmt.

        * function.h (struct function): Add has_omp_target bit.
        * omp-offload.c (omp_discover_declare_target_fn_r): New function,
        old renamed to ...
        (omp_discover_declare_target_tgt_fn_r): ... this.
        (omp_discover_declare_target_var_r): Call
        omp_discover_declare_target_tgt_fn_r instead of
        omp_discover_declare_target_fn_r.
        (omp_discover_implicit_declare_target): Also queue functions with
        has_omp_target bit set, for those walk with
        omp_discover_declare_target_fn_r, for declare target to functions
        walk with omp_discover_declare_target_tgt_fn_r.

2020-05-14  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95046
        * config/i386/mmx.md (mmx_fix_truncv2sfv2si2): Rename from mmx_pf2id.
        Add SSE/AVX alternative.  Change operand predicates from
        nonimmediate_operand to register_mmxmem_operand.
        Enable instruction pattern for TARGET_MMX_WITH_SSE.
        (fix_truncv2sfv2si2): New expander.
        (fixuns_truncv2sfv2si2): New insn pattern.

        (mmx_floatv2siv2sf2): rename from mmx_floatv2si2.
        Add SSE/AVX alternative.  Change operand predicates from
        nonimmediate_operand to register_mmxmem_operand.
        Enable instruction pattern for TARGET_MMX_WITH_SSE.
        (floatv2siv2sf2): New expander.
        (floatunsv2siv2sf2): New insn pattern.

        * config/i386/i386-builtin.def (IX86_BUILTIN_PF2ID):
        Update for rename.
        (IX86_BUILTIN_PI2FD): Ditto.

2020-05-14  Andreas Krebbel  <krebbel@linux.ibm.com>

        * config/s390/s390.c (s390_emit_stack_probe): Call the probe_stack
        expander.
        * config/s390/s390.md ("@probe_stack2<mode>", "probe_stack"): New
        expanders.

2020-05-14  Andreas Krebbel  <krebbel@linux.ibm.com>

        * config/s390/s390.c (allocate_stack_space): Add missing updates
        of last_probe_offset.

2020-05-14  Andreas Krebbel  <krebbel@linux.ibm.com>

        * config/s390/s390.md ("allocate_stack"): Call
        anti_adjust_stack_and_probe_stack_clash when stack clash
        protection is enabled.
        * explow.c (anti_adjust_stack_and_probe_stack_clash): Remove
        prototype. Remove static.
        * explow.h (anti_adjust_stack_and_probe_stack_clash): Add
        prototype.

2020-05-13  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/altivec.h (vec_extractl): New #define.
        (vec_extracth): Likewise.
        * config/rs6000/altivec.md (UNSPEC_EXTRACTL): New constant.
        (UNSPEC_EXTRACTR): Likewise.
        (vextractl<mode>): New expansion.
        (vextractl<mode>_internal): New insn.
        (vextractr<mode>): New expansion.
        (vextractr<mode>_internal): New insn.
        * config/rs6000/rs6000-builtin.def (__builtin_altivec_vextdubvlx):
        New built-in function.
        (__builtin_altivec_vextduhvlx): Likewise.
        (__builtin_altivec_vextduwvlx): Likewise.
        (__builtin_altivec_vextddvlx): Likewise.
        (__builtin_altivec_vextdubvhx): Likewise.
        (__builtin_altivec_vextduhvhx): Likewise.
        (__builtin_altivec_vextduwvhx): Likewise.
        (__builtin_altivec_vextddvhx): Likewise.
        (__builtin_vec_extractl): New overloaded built-in function.
        (__builtin_vec_extracth): Likewise.
        * config/rs6000/rs6000-call.c (altivec_overloaded_builtins):
        Define overloaded forms of __builtin_vec_extractl and
        __builtin_vec_extracth.
        (builtin_function_type): Add cases to mark arguments of new
        built-in functions as unsigned.
        (rs6000_common_init_builtins): Add
        opaque_ftype_opaque_opaque_opaque_opaque.
        * config/rs6000/rs6000.md (du_or_d): New mode attribute.
        * doc/extend.texi (PowerPC AltiVec Built-in Functions Available
        for a Future Architecture): Add description of vec_extractl and
        vec_extractr built-in functions.

2020-05-13  Richard Biener  <rguenther@suse.de>

        * target.def (add_stmt_cost): Add new vectype parameter.
        * targhooks.c (default_add_stmt_cost): Adjust.
        * targhooks.h (default_add_stmt_cost): Likewise.
        * config/aarch64/aarch64.c (aarch64_add_stmt_cost): Take new
        vectype parameter.
        * config/arm/arm.c (arm_add_stmt_cost): Likewise.
        * config/i386/i386.c (ix86_add_stmt_cost): Likewise.
        * config/rs6000/rs6000.c (rs6000_add_stmt_cost): Likewise.

        * tree-vectorizer.h (stmt_info_for_cost::vectype): Add.
        (dump_stmt_cost): Add new vectype parameter.
        (add_stmt_cost): Likewise.
        (record_stmt_cost): Likewise.
        (record_stmt_cost): Add overload with old signature.
        * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost):
        Adjust.
        (vect_get_known_peeling_cost): Likewise.
        (vect_estimate_min_profitable_iters): Likewise.
        * tree-vectorizer.c (dump_stmt_cost): Add new vectype parameter.
        * tree-vect-stmts.c (record_stmt_cost): Likewise.
        (vect_prologue_cost_for_slp_op): Remove stmt_vec_info parameter
        and pass down correct vectype and NULL stmt_info.
        (vect_model_simple_cost): Adjust.
        (vect_model_store_cost): Likewise.

2020-05-13  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (SLP_INSTANCE_GROUP_SIZE): Remove.
        (_slp_instance::group_size): Likewise.
        * tree-vect-loop.c (vectorizable_reduction): The group size
        is the number of lanes in the node.
        * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts): Likewise.
        (vect_analyze_slp_instance): Do not set SLP_INSTANCE_GROUP_SIZE,
        verify it matches the instance trees number of lanes.
        (vect_slp_analyze_node_operations_1): Use the numer of lanes
        in the node as group size.
        (vect_bb_vectorization_profitable_p): Use the instance root
        number of lanes for the size of life.
        (vect_schedule_slp_instance): Use the number of lanes as
        group_size.
        * tree-vect-stmts.c (vectorizable_load): Remove SLP instance
        parameter.  Use the number of lanes of the load for the group
        size in the gap adjustment code.
        (vect_analyze_stmt): Adjust.
        (vect_transform_stmt): Likewise.

2020-05-13  Jakub Jelinek  <jakub@redhat.com>

        PR debug/95080
        * cfgrtl.c (purge_dead_edges): Skip over debug and note insns even
        if the last insn is a note.

        PR tree-optimization/95060
        * tree-ssa-math-opts.c (convert_mult_to_fma_1): Fold a NEGATE_EXPR
        if it is the single use of the FMA internal builtin.

2020-05-13  Bin Cheng  <bin.cheng@linux.alibaba.com>

        PR tree-optimization/94969
        * tree-data-dependence.c (constant_access_functions): Rename to...
        (invariant_access_functions): ...this.  Add parameter.  Check for
        invariant access function, rather than constant.
        (build_classic_dist_vector): Call above function.
        * tree-loop-distribution.c (pg_add_dependence_edges): Add comment.

2020-05-13  Hongtao Liu  <hongtao.liu@intel.com>

        PR target/94118
        * doc/extend.texi (x86Operandmodifiers): Document more x86
        operand modifier.
        * gcc/config/i386/i386.c: Add comment for operand modifier N and I.

2020-05-12  Giuliano Belinassi  <giuliano.belinassi@usp.br>

        * tree-vrp.c (class vrp_insert): New.
        (insert_range_assertions): Move to class vrp_insert.
        (dump_all_asserts): Same as above.
        (dump_asserts_for): Same as above.
        (live): Same as above.
        (need_assert_for): Same as above.
        (live_on_edge): Same as above.
        (finish_register_edge_assert_for): Same as above.
        (find_switch_asserts): Same as above.
        (find_assert_locations): Same as above.
        (find_assert_locations_1): Same as above.
        (find_conditional_asserts): Same as above.
        (process_assert_insertions): Same as above.
        (register_new_assert_for): Same as above.
        (vrp_prop): New variable fun.
        (vrp_initialize): New parameter.
        (identify_jump_threads): Same as above.
        (execute_vrp): Same as above.


2020-05-12  Keith Packard  <keith.packard@sifive.com>

        * config/riscv/riscv.c (riscv_unique_section): New.
        (TARGET_ASM_UNIQUE_SECTION): New.

2020-05-12  Craig Blackmore  <craig.blackmore@embecosm.com>

        * config.gcc:  Add riscv-shorten-memrefs.o to extra_objs for riscv.
        * config/riscv/riscv-passes.def: New file.
        * config/riscv/riscv-protos.h (make_pass_shorten_memrefs): Declare.
        * config/riscv/riscv-shorten-memrefs.c: New file.
        * config/riscv/riscv.c (tree-pass.h): New include.
        (riscv_compressed_reg_p): New Function
        (riscv_compressed_lw_offset_p): Likewise.
        (riscv_compressed_lw_address_p): Likewise.
        (riscv_shorten_lw_offset): Likewise.
        (riscv_legitimize_address): Attempt to convert base + large_offset
        to compressible new_base + small_offset.
        (riscv_address_cost): Make anticipated compressed load/stores
        cheaper for code size than uncompressed load/stores.
        (riscv_register_priority): Move compressed register check to
        riscv_compressed_reg_p.
        * config/riscv/riscv.h (C_S_BITS): Define.
        (CSW_MAX_OFFSET): Define.
        * config/riscv/riscv.opt (mshorten-memefs): New option.
        * config/riscv/t-riscv (riscv-shorten-memrefs.o): New rule.
        (PASSES_EXTRA): Add riscv-passes.def.
        * doc/invoke.texi: Document -mshorten-memrefs.

        * config/riscv/riscv.c (riscv_new_address_profitable_p): New function.
        (TARGET_NEW_ADDRESS_PROFITABLE_P): Define.
        * doc/tm.texi: Regenerate.
        * doc/tm.texi.in (TARGET_NEW_ADDRESS_PROFITABLE_P):  New hook.
        * sched-deps.c (attempt_change): Use old address if it is cheaper than
        new address.
        * target.def (new_address_profitable_p): New hook.
        * targhooks.c (default_new_address_profitable_p): New function.
        * targhooks.h (default_new_address_profitable_p): Declare.

2020-05-12  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95046
        * config/i386/mmx.md (copysignv2sf3): New expander.
        (xorsignv2sf3): Ditto.
        (signbitv2sf3): Ditto.

2020-05-12  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95046
        * config/i386/mmx.md (fmav2sf4): New insn pattern.
        (fmsv2sf4): Ditto.
        (fnmav2sf4): Ditto.
        (fnmsv2sf4): Ditto.

2020-05-12  H.J. Lu  <hongjiu.lu@intel.com>

        * Makefile.in (CET_HOST_FLAGS): New.
        (COMPILER): Add $(CET_HOST_FLAGS).
        * configure.ac: Add GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) and
        AC_SUBST(CET_HOST_FLAGS).  Clear CET_HOST_FLAGS if jit isn't
        enabled.
        * aclocal.m4: Regenerated.
        * configure: Likewise.

2020-05-12  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95046
        * config/i386/mmx.md (<code>v2sf2): New insn pattern.
        (*mmx_<code>v2sf2): New insn_and_split pattern.
        (*mmx_nabsv2sf2): Ditto.
        (*mmx_andnotv2sf3): New insn pattern.
        (*mmx_<code>v2sf3): Ditto.
        * config/i386/i386.md (absneg_op): New code attribute.
        * config/i386/i386.c (ix86_build_const_vector): Handle V2SFmode.
        (ix86_build_signbit_mask): Ditto.

2020-05-12  Richard Biener  <rguenther@suse.de>

        * tree-ssa-live.c (remove_unused_locals): Remove dead debug
        bind resets.

2020-05-12  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430-protos.h (msp430_output_aligned_decl_common):
        Update prototype to include "local" argument.
        * config/msp430/msp430.c (msp430_output_aligned_decl_common): Add
        "local" argument.  Handle local common decls.
        * config/msp430/msp430.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): Adjust
        msp430_output_aligned_decl_common call with 0 for "local" argument.
        (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Define.

2020-05-12  Richard Biener  <rguenther@suse.de>

        * cfghooks.c (split_edge): Preserve EDGE_DFS_BACK if set.

2020-05-12  Martin Liska  <mliska@suse.cz>

        PR sanitizer/95033
        PR sanitizer/95051
        * sanopt.c (sanitize_rewrite_addressable_params):
        Clear DECL_NOT_GIMPLE_REG_P for argument.

2020-05-12  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/94980
        * tree-vect-generic.c (expand_vector_comparison): Use
        vector_element_bits_tree to get the element size in bits,
        rather than using TYPE_SIZE.
        (expand_vector_condition, vector_element): Likewise.

2020-05-12  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/94980
        * tree-vect-generic.c (build_replicated_const): Take the number
        of bits as a parameter, instead of the type of the elements.
        (do_plus_minus): Update accordingly, using vector_element_bits
        to calculate the correct number of bits.
        (do_negate): Likewise.

2020-05-12  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/94980
        * tree.h (vector_element_bits, vector_element_bits_tree): Declare.
        * tree.c (vector_element_bits, vector_element_bits_tree): New.
        * match.pd: Use the new functions instead of determining the
        vector element size directly from TYPE_SIZE(_UNIT).
        * tree-vect-data-refs.c (vect_gather_scatter_fn_p): Likewise.
        * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Likewise.
        * tree-vect-stmts.c (vect_is_simple_cond): Likewise.
        * tree-vect-generic.c (expand_vector_piecewise): Likewise.
        (expand_vector_conversion): Likewise.
        (expand_vector_addition): Likewise for a TYPE_SIZE_UNIT used as
        a divisor.  Convert the dividend to bits to compensate.
        * tree-vect-loop.c (vectorizable_live_operation): Call
        vector_element_bits instead of open-coding it.

2020-05-12  Jakub Jelinek  <jakub@redhat.com>

        * omp-offload.h (omp_discover_implicit_declare_target): Declare.
        * omp-offload.c: Include context.h.
        (omp_declare_target_fn_p, omp_declare_target_var_p,
        omp_discover_declare_target_fn_r, omp_discover_declare_target_var_r,
        omp_discover_implicit_declare_target): New functions.
        * cgraphunit.c (analyze_functions): Call
        omp_discover_implicit_declare_target.

2020-05-12  Richard Biener  <rguenther@suse.de>

        * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Canonicalize
        literal constant &MEM[..] to a constant literal.

2020-05-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95045
        * dbgcnt.def (lim): Add debug-counter.
        * tree-ssa-loop-im.c: Include dbgcnt.h.
        (find_refs_for_sm): Use lim debug counter for store motion
        candidates.
        (do_store_motion): Rename form store_motion.  Commit edge
        insertions...
        (store_motion_loop): ... here.
        (tree_ssa_lim): Adjust.

2020-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/altivec.h (vec_clzm): Rename to vec_cntlzm.
        (vec_ctzm): Rename to vec_cnttzm.
        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
        Change fourth operand for vec_ternarylogic to require
        compatibility with unsigned SImode rather than unsigned QImode.
        * config/rs6000/rs6000-call.c (altivec_overloaded_builtins):
        Remove overloaded forms of vec_gnb that are no longer needed.
        * doc/extend.texi (PowerPC AltiVec Built-in Functions Available
        for a Future Architecture): Replace vec_clzm with vec_cntlzm;
        replace vec_ctzm with vec_cntlzm; remove four unwanted forms of
        vec_gnb; move vec_ternarylogic documentation into this section
        and replace const unsigned char with const unsigned int as its
        fourth argument.

2020-05-11  Carl Love  <cel@us.ibm.com>

        * config/rs6000/altivec.h (vec_genpcvm): New #define.
        * config/rs6000/rs6000-builtin.def (XXGENPCVM_V16QI): New built-in
        instantiation.
        (XXGENPCVM_V8HI): Likewise.
        (XXGENPCVM_V4SI): Likewise.
        (XXGENPCVM_V2DI): Likewise.
        (XXGENPCVM): New overloaded built-in instantiation.
        * config/rs6000/rs6000-call.c (altivec_overloaded_builtins): Add
        entries for FUTURE_BUILTIN_VEC_XXGENPCVM.
        (altivec_expand_builtin): Add special handling for
        FUTURE_BUILTIN_VEC_XXGENPCVM.
        (builtin_function_type): Add handling for
        FUTURE_BUILTIN_XXGENPCVM_{V16QI,V8HI,V4SI,V2DI}.
        * config/rs6000/vsx.md (VSX_EXTRACT_I4): New mode iterator.
        (UNSPEC_XXGENPCV): New constant.
        (xxgenpcvm_<mode>_internal): New insn.
        (xxgenpcvm_<mode>): New expansion.
        * doc/extend.texi: Add documentation for vec_genpcvm built-ins.

2020-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/altivec.h (vec_strir): New #define.
        (vec_stril): Likewise.
        (vec_strir_p): Likewise.
        (vec_stril_p): Likewise.
        * config/rs6000/altivec.md (UNSPEC_VSTRIR): New constant.
        (UNSPEC_VSTRIL): Likewise.
        (vstrir_<mode>): New expansion.
        (vstrir_code_<mode>): New insn.
        (vstrir_p_<mode>): New expansion.
        (vstrir_p_code_<mode>): New insn.
        (vstril_<mode>): New expansion.
        (vstril_code_<mode>): New insn.
        (vstril_p_<mode>): New expansion.
        (vstril_p_code_<mode>): New insn.
        * config/rs6000/rs6000-builtin.def (__builtin_altivec_vstribr):
        New built-in function.
        (__builtin_altivec_vstrihr): Likewise.
        (__builtin_altivec_vstribl): Likewise.
        (__builtin_altivec_vstrihl): Likewise.
        (__builtin_altivec_vstribr_p): Likewise.
        (__builtin_altivec_vstrihr_p): Likewise.
        (__builtin_altivec_vstribl_p): Likewise.
        (__builtin_altivec_vstrihl_p): Likewise.
        (__builtin_vec_strir): New overloaded built-in function.
        (__builtin_vec_stril): Likewise.
        (__builtin_vec_strir_p): Likewise.
        (__builtin_vec_stril_p): Likewise.
        * config/rs6000/rs6000-call.c (altivec_overloaded_builtins):
        Define overloaded forms of __builtin_vec_strir,
        __builtin_vec_stril, __builtin_vec_strir_p, and
        __builtin_vec_stril_p.
        * doc/extend.texi (PowerPC AltiVec Built-in Functions Available
        for a Future Architecture): Add description of vec_stril,
        vec_stril_p, vec_strir, and vec_strir_p built-in functions.

2020-05-11  Kelvin Nilsen  <wschmidt@linux.ibm.com>

        * config/rs6000/altivec.h (vec_ternarylogic): New #define.
        * config/rs6000/altivec.md (UNSPEC_XXEVAL): New constant.
        (xxeval): New insn.
        * config/rs6000/predicates.md (u8bit_cint_operand): New predicate.
        * config/rs6000/rs6000-builtin.def: Add handling of new macro
        RS6000_BUILTIN_4.
        (BU_FUTURE_V_4): New macro. Use it.
        (BU_FUTURE_OVERLOAD_4): Likewise.
        * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Add
        handling for quaternary built-in functions.
        (altivec_resolve_overloaded_builtin): Add special-case handling
        for __builtin_vec_xxeval.
        * config/rs6000/rs6000-call.c: Add handling of new macro
        RS6000_BUILTIN_4 in initialization of rs6000_builtin_info,
        bdesc0_arg, bdesc1_arg, bdesc2_arg, bdesc_3arg,
        bdesc_altivec_preds, bdesc_abs, and bdesc_htm arrays.
        (altivec_overloaded_builtins): Add definitions for
        FUTURE_BUILTIN_VEC_XXEVAL.
        (bdesc_4arg): New array.
        (htm_expand_builtin): Add handling for quaternary built-in
        functions.
        (rs6000_expand_quaternop_builtin): New function.
        (rs6000_expand_builtin): Add handling for quaternary built-in
        functions.
        (rs6000_init_builtins): Initialize builtin_mode_to_type entries
        for unsigned QImode and unsigned HImode.
        (builtin_quaternary_function_type): New function.
        (rs6000_common_init_builtins): Add handling of quaternary
        operations.
        * config/rs6000/rs6000.h (RS6000_BTC_QUATERNARY): New defined
        constant.
        (RS6000_BTC_PREDICATE): Change value of constant.
        (RS6000_BTC_ABS): Likewise.
        (rs6000_builtins): Add support for new macro RS6000_BUILTIN_4.
        * doc/extend.texi (PowerPC AltiVec Built-In Functions Available
        for a Future Architecture): Add description of vec_ternarylogic
        built-in function.

2020-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/rs6000-builtin.def (__builtin_pdepd): New built-in
        function.
        (__builtin_pextd): Likewise.
        * config/rs6000/rs6000.md (UNSPEC_PDEPD): New constant.
        (UNSPEC_PEXTD): Likewise.
        (pdepd): New insn.
        (pextd): Likewise.
        * doc/extend.texi (Basic PowerPC Built-in Functions Available for
        a Future Architecture): Add descriptions of __builtin_pdepd and
        __builtin_pextd functions.

2020-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/altivec.h (vec_clrl): New #define.
        (vec_clrr): Likewise.
        * config/rs6000/altivec.md (UNSPEC_VCLRLB): New constant.
        (UNSPEC_VCLRRB): Likewise.
        (vclrlb): New insn.
        (vclrrb): Likewise.
        * config/rs6000/rs6000-builtin.def (__builtin_altivec_vclrlb): New
        built-in function.
        (__builtin_altivec_vclrrb): Likewise.
        (__builtin_vec_clrl): New overloaded built-in function.
        (__builtin_vec_clrr): Likewise.
        * config/rs6000/rs6000-call.c (altivec_overloaded_builtins):
        Define overloaded forms of __builtin_vec_clrl and
        __builtin_vec_clrr.
        * doc/extend.texi (PowerPC AltiVec Built-in Functions Available
        for a Future Architecture): Add descriptions of vec_clrl and
        vec_clrr.

2020-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/rs6000-builtin.def (__builtin_cntlzdm): New
        built-in function definition.
        (__builtin_cnttzdm): Likewise.
        * config/rs6000/rs6000.md (UNSPEC_CNTLZDM): New constant.
        (UNSPEC_CNTTZDM): Likewise.
        (cntlzdm): New insn.
        (cnttzdm): Likewise.
        * doc/extend.texi (Basic PowerPC Built-in Functions available for
        a Future Architecture): Add descriptions of __builtin_cntlzdm and
        __builtin_cnttzdm functions.

2020-05-11  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95046
        * config/i386/mmx.md (sqrtv2sf2): New insn pattern.

2020-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/altivec.h (vec_cfuge): New #define.
        * config/rs6000/altivec.md (UNSPEC_VCFUGED): New constant.
        (vcfuged): New insn.
        * config/rs6000/rs6000-builtin.def (__builtin_altivec_vcfuged):
        New built-in function.
        * config/rs6000/rs6000-call.c (builtin_function_type): Add
        handling for FUTURE_BUILTIN_VCFUGED case.
        * doc/extend.texi (PowerPC AltiVec Built-in Functions Available
        for a Future Architecture): Add description of vec_cfuge built-in
        function.

2020-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>

        * config/rs6000/rs6000-builtin.def (BU_FUTURE_MISC_0): New
        #define.
        (BU_FUTURE_MISC_1): Likewise.
        (BU_FUTURE_MISC_2): Likewise.
        (BU_FUTURE_MISC_3): Likewise.
        (__builtin_cfuged): New built-in function definition.
        * config/rs6000/rs6000.md (UNSPEC_CFUGED): New constant.
        (cfuged): New insn.
        * doc/extend.texi (Basic PowerPC Built-in Functions Available for
        a Future Architecture): New subsubsection.

2020-05-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/95049
        * tree-ssa-sccvn.c (set_ssa_val_to): Reject lattice transition
        between different constants.

2020-05-11  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-pretty-print.c (dump_generic_node): Handle BOOLEAN_TYPEs.

2020-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
            Bill Schmidt  <wschmidt@linux.ibm.com>

        * config/rs6000/altivec.h (vec_gnb): New #define.
        * config/rs6000/altivec.md (UNSPEC_VGNB): New constant.
        (vgnb): New insn.
        * config/rs6000/rs6000-builtin.def (BU_FUTURE_OVERLOAD_1): New
        #define.
        (BU_FUTURE_OVERLOAD_2): Likewise.
        (BU_FUTURE_OVERLOAD_3): Likewise.
        (__builtin_altivec_gnb): New built-in function.
        (__buiiltin_vec_gnb): New overloaded built-in function.
        * config/rs6000/rs6000-call.c (altivec_overloaded_builtins):
        Define overloaded forms of __builtin_vec_gnb.
        (rs6000_expand_binop_builtin): Add error checking for 2nd argument
        of __builtin_vec_gnb.
        (builtin_function_type): Mark return value and arguments unsigned
        for FUTURE_BUILTIN_VGNB.
        * doc/extend.texi (PowerPC AltiVec Built-in Functions Available
        for a Future Architecture): Add description of vec_gnb built-in
        function.

2020-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
            Bill Schmidt  <wschmidt@linux.ibm.com>

        * config/rs6000/altivec.h (vec_pdep): New macro implementing new
        built-in function.
        (vec_pext): Likewise.
        * config/rs6000/altivec.md (UNSPEC_VPDEPD): New constant.
        (UNSPEC_VPEXTD): Likewise.
        (vpdepd): New insn.
        (vpextd): Likewise.
        * config/rs6000/rs6000-builtin.def (__builtin_altivec_vpdepd): New
        built-in function.
        (__builtin_altivec_vpextd): Likewise.
        * config/rs6000/rs6000-call.c (builtin_function_type): Add
        handling for FUTURE_BUILTIN_VPDEPD and FUTURE_BUILTIN_VPEXTD
        cases.
        * doc/extend.texi (PowerPC Altivec Built-in Functions Available
        for a Future Architecture): Add description of vec_pdep and
        vec_pext built-in functions.

2020-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
            Bill Schmidt  <wschmidt@linux.ibm.com>

        * config/rs6000/altivec.h (vec_clzm): New macro.
        (vec_ctzm): Likewise.
        * config/rs6000/altivec.md (UNSPEC_VCLZDM): New constant.
        (UNSPEC_VCTZDM): Likewise.
        (vclzdm): New insn.
        (vctzdm): Likewise.
        * config/rs6000/rs6000-builtin.def (BU_FUTURE_V_0): New macro.
        (BU_FUTURE_V_1): Likewise.
        (BU_FUTURE_V_2): Likewise.
        (BU_FUTURE_V_3): Likewise.
        (__builtin_altivec_vclzdm): New builtin definition.
        (__builtin_altivec_vctzdm): Likewise.
        * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Cause
        _ARCH_PWR_FUTURE macro to be defined if OPTION_MASK_FUTURE flag is
        set.
        * config/rs6000/rs6000-call.c (builtin_function_type): Set return
        value and parameter types to be unsigned for VCLZDM and VCTZDM.
        * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
        support for TARGET_FUTURE flag.
        * config/rs6000/rs6000.h (RS6000_BTM_FUTURE): New macro constant.
        * doc/extend.texi (PowerPC Altivec Built-in Functions Available
        for a Future Architecture): New subsubsection.

2020-05-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/94988
        PR tree-optimization/95025
        * tree-ssa-loop-im.c (seq_entry): Make a struct, add from.
        (sm_seq_push_down): Take extra parameter denoting where we
        moved the ref to.
        (execute_sm_exit): Re-issue sm_other stores in the correct
        order.
        (sm_seq_valid_bb): When always executed, allow sm_other to
        prevail inbetween sm_ord and record their stored value.
        (hoist_memory_references): Adjust refs_not_supported propagation
        and prune sm_other from the end of the ordered sequences.

2020-05-11  Felix Yang  <felix.yang@huawei.com>

        PR target/94991
        * config/aarch64/aarch64.md (mov<mode>):
        Bitcasts to the equivalent integer mode using gen_lowpart
        instead of doing FAIL for scalar floating point move.

2020-05-11  Alex Coplan  <alex.coplan@arm.com>

        * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Add case
        to correctly calculate cost for new pattern (*csinv3_uxtw_insn3).
        * config/aarch64/aarch64.md (*csinv3_utxw_insn1): New.
        (*csinv3_uxtw_insn2): New.
        (*csinv3_uxtw_insn3): New.
        * config/aarch64/iterators.md (neg_not_cs): New.

2020-05-11  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95046
        * config/i386/mmx.md (mmx_addv2sf3): Use "v" constraint
        instead of "Yv" for AVX alternatives.  Add "prefix" attribute.
        (*mmx_addv2sf3): Ditto.
        (*mmx_subv2sf3): Ditto.
        (*mmx_mulv2sf3): Ditto.
        (*mmx_<code>v2sf3): Ditto.
        (mmx_ieee_<ieee_maxmin>v2sf3): Ditto.

2020-05-11  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/95046
        * config/i386/i386.c (ix86_vector_mode_supported_p):
        Vectorize 3dNOW! vector modes for TARGET_MMX_WITH_SSE.
        * config/i386/mmx.md (*mov<mode>_internal): Do not set
        mode of alternative 13 to V2SF for TARGET_MMX_WITH_SSE.

        (mmx_addv2sf3): Change operand predicates from
        nonimmediate_operand to register_mmxmem_operand.
        (addv2sf3): New expander.
        (*mmx_addv2sf3): Add SSE/AVX alternatives.  Change operand
        predicates from nonimmediate_operand to register_mmxmem_operand.
        Enable instruction pattern for TARGET_MMX_WITH_SSE.

        (mmx_subv2sf3): Change operand predicate from
        nonimmediate_operand to register_mmxmem_operand.
        (mmx_subrv2sf3): Ditto.
        (subv2sf3): New expander.
        (*mmx_subv2sf3): Add SSE/AVX alternatives.  Change operand
        predicates from nonimmediate_operand to register_mmxmem_operand.
        Enable instruction pattern for TARGET_MMX_WITH_SSE.

        (mmx_mulv2sf3): Change operand predicates from
        nonimmediate_operand to register_mmxmem_operand.
        (mulv2sf3): New expander.
        (*mmx_mulv2sf3): Add SSE/AVX alternatives.  Change operand
        predicates from nonimmediate_operand to register_mmxmem_operand.
        Enable instruction pattern for TARGET_MMX_WITH_SSE.

        (mmx_<code>v2sf3): Change operand predicates from
        nonimmediate_operand to register_mmxmem_operand.
        (<code>v2sf3): New expander.
        (*mmx_<code>v2sf3): Add SSE/AVX alternatives.  Change operand
        predicates from nonimmediate_operand to register_mmxmem_operand.
        Enable instruction pattern for TARGET_MMX_WITH_SSE.
        (mmx_ieee_<ieee_maxmin>v2sf3): Ditto.

2020-05-11  Martin Liska  <mliska@suse.cz>

        PR c/95040
        * common.opt: Fix typo in option description.

2020-05-11  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/94928
        * gcov-io.h: Add caveat about coverage format parsing and
        possible outdated documentation.

2020-05-11  Xiong Hu Luo  <luoxhu@linux.ibm.com>

        PR tree-optimization/83403
        * tree-affine.c (expr_to_aff_combination): Replace SSA_NAME with
        determine_value_range, Add fold conversion of MULT_EXPR, fix the
        previous PLUS_EXPR.

2020-05-10  Gerald Pfeifer  <gerald@pfeifer.com>

        * config/i386/i386-c.c (ix86_target_macros): Define _ILP32 and
        __ILP32__ for 32-bit targets.

2020-05-09  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h (expr_align): Delete.
        * tree.c (expr_align): Likewise.

2020-05-09  Hans-Peter Nilsson  <hp@axis.com>

        * resource.c (init_resource_info): Filter-out TARGET_FLAGS_REGNUM
        from end_of_function_needs.

        * config.gcc: Remove support for crisv32-*-* and cris-*-linux*.
        * config/cris/t-linux, config/cris/linux.h, config/cris/linux.opt:
        Remove.
        * config/cris/t-elfmulti: Remove crisv32 multilib.
        * config/cris: Remove shared-library and CRIS v32 support.

        Move trivially from cc0 to reg:CC model, removing most optimizations.
        * config/cris/cris.md: Remove all side-effect patterns and their
        splitters.  Remove most peepholes.  Add clobbers of CRIS_CC0_REGNUM
        to all but post-reload control-flow and movem insns.  Remove
        constraints on all modified expanders.  Remove obsoleted cc0-related
        references.
        (attr "cc"): Remove alternative "rev".
        (mode_iterator BWDD, DI_, SI_): New.
        (mode_attr sCC_destc, cmp_op1c, cmp_op2c): New.
        ("tst<mode>"): Remove; fold as "M" alternative into compare insn.
        ("mstep_shift", "mstep_mul"): Remove patterns.
        ("s<rcond>", "s<ocond>", "s<ncond>"): Anonymize.
        * config/cris/cris.c: Change all non-condition-code,
        non-control-flow emitted insns to add a parallel with clobber of
        CRIS_CC0_REGNUM, mostly by changing from gen_rtx_SET with
        emit_insn to use of emit_move_insn, gen_add2_insn or
        cris_emit_insn, as convenient.
        (cris_reg_overlap_mentioned_p)
        (cris_normal_notice_update_cc, cris_notice_update_cc): Remove.
        (cris_movem_load_rest_p): Don't assume all elements in a
        PARALLEL are SETs.
        (cris_store_multiple_op_p): Ditto.
        (cris_emit_insn): New function.
        * cris/cris-protos.h (cris_emit_insn): Declare.

        PR target/93372
        * config/cris/cris.md (zcond): New code_iterator.
        ("*cbranch<mode>4_btstq<CC>"): New insn_and_split.

        * config/cris/cris.c (TARGET_FLAGS_REGNUM): Define.

        * config/cris/cris.h (REVERSIBLE_CC_MODE): Define to true.

        * config/cris/cris.md ("movsi"): For memory destination
        post-reload, generate clobberless variant.  Similarly for a
        zero-source post-reload.
        ("*mov_tomem<mode>_split"): New split.
        ("*mov_tomem<mode>"): New insn.
        ("enabled", mov_tomem_enabled): Define and use to exclude "x" ->
        "Q>m" for less-than-SImode.
        ("*mov_fromzero<mode>_split"): New split.
        ("*mov_fromzero<mode>"): New insn.

        Prepare for cmpelim pass to eliminate redundant compare insns.
        * config/cris/cris-modes.def: New file.
        * config/cris/cris-protos.h (cris_select_cc_mode): Declare.
        (cris_notice_update_cc): Remove left-over declaration.
        * config/cris/cris.c (TARGET_CC_MODES_COMPATIBLE): Define.
        (cris_select_cc_mode, cris_cc_modes_compatible): New functions.
        * config/cris/cris.h (SELECT_CC_MODE): Define.
        * config/cris/cris.md (NZSET, NZUSE, NZVCSET, NZVCUSE): New
        mode_iterators.
        (cond): New code_iterator.
        (nzcond): Replacement for incorrect ncond.  All callers changed.
        (nzvccond): Replacement for ocond.  All callers changed.
        (rnzcond): Replacement for rcond.  All callers changed.
        (xCC): New code_attr.
        (cmp_op1c, cmp_op0c): Renumber from cmp_op1c and cmp_op2c.  All
        users changed.
        ("*cmpdi<NZVCSET:mode>"): Rename from "*cmpdi".  Replace
        CCmode with iteration over NZVCSET.
        ("*cmp_ext<BW:mode><NZVCSET:mode>"): Similarly; rename from
        "*cmp_ext<mode>".
        ("*cmpsi<NZVCSET:mode>"): Similarly, from "*cmpsi".
        ("*cmp<BW:mode><NZVCSET:mode>"): Similarly from "*cmp<mode>".
        ("*btst<mode>"): Similarly, from "*btst".
        ("*cbranch<mode><code>4"): Rename from "*cbranch<mode>4",
        iterating over cond instead of matching the comparison with
        ordered_comparison_operator.
        ("*cbranch<mode>4_btstq<CC>"): Correct label operand number.
        ("b<zcond:code><mode>"): Rename from "b<ncond:code>", iterating
        over NZUSE.
        ("b<nzvccond:code><mode>"): Similarly from "b<ocond:code>", over
        NZVCUSE.  Remove FIXME.
        ("*b<nzcond:code>_reversed<mode>"): Similarly from
        "*b<ncond:code>_reversed", over NZUSE.
        ("*b<nzvccond:code>_reversed<mode>"): Similarly from
        "*b<ocond:code>_reversed", over NZVCUSE.  Remove FIXME.
        ("b<rnzcond:code><mode>"): Similarly from "b<rcond:code>",
        over NZUSE.  Reinstate "b<oCC>" vs. "b<CC>" mnemonic choice,
        depending on CC_NZmode vs. CCmode.  Remove FIXME.
        ("*b<rnzcond:code>_reversed<mode>"): Similarly from
        "*b<rcond:code>_reversed", over NZUSE.
        ("*cstore<mode><code>4"): Rename from "*cstore<mode>4",
        iterating over cond instead of matching the comparison with
        ordered_comparison_operator.
        ("*s<nzcond:code><mode>"): Rename from "*s<ncond:code>",
        iterating over NZUSE.
        ("*s<rnzcond:code><mode>"): Similar from "*s<rcond:code>", over
        NZUSE.  Reinstate "b<oCC>" vs. "b<CC>" mnemonic choice,
        depending on CC_NZmode vs. CCmode.
        ("*s<nzvccond:code><mode>"): Simlar from "*s<ocond:code>", over
        NZVCUSE.  Remove FIXME.
        ("cc"): Comment on new use.
        ("cc_enabled"): New attribute.
        ("enabled"): Make default fall back to cc_enabled.
        ("setnz", "ccnz", "setnzvc", "ccnzvc", "setcc", "cccc"): New
        default_subst_attrs.
        ("setnz_subst", "setnzvc_subst", "setcc_subst"): New default_subst.
        ("*movsi_internal<setcc><setnz><setnzvc>"): Rename from
        "*movsi_internal".  Correct contents of, and rename attribute
        "cc" to "cc<cccc><ccnz><ccnzvc>".
        ("anz", "anzvc", "acc"): New define_subst_attrs.
        ("<acc><anz><anzvc>movhi<setcc><setnz><setnzvc>"): Rename from
        "movhi".  Rename "cc" attribute to "cc<cccc><ccnz><ccnzvc>".
        ("<acc><anz><anzvc>movqi<setcc><setnz><setnzvc>"): Similar from
        "movqi".  Correct contents of, and rename "cc" attribute to
        "cc<cccc><ccnz><ccnzvc>".
        ("*b<zcond:code><mode>"): Rename from "b<zcond:code><mode>".
        ("*b<nzvccond:code><mode>"): Rename from "b<nzvccond:code><mode>".
        ("*b<rnzcond:code><mode>"): Rename from "*b<rnzcond:code><mode>".
        ("<acc><anz><anzvc>extend<mode>si2<setcc><setnz><setnzvc>"):
        Rename from "extend<mode>si2".
        ("<acc><anz><anzvc>zero_extend<mode>si2<setcc><setnz><setnzvc>"):
        Similar, from "zero_extend<mode>si2".
        ("*adddi3<setnz>"): Rename from "*adddi3".
        ("*subdi3<setnz>"): Similarly from "*subdi3".
        ("*addsi3<setnz>"): Similarly from "*addsi3".
        ("*subsi3<setnz>"): Similarly from "*subsi3".
        ("*addhi3<setnz>"): Similarly from "*addhi3" and decorate the
        "cc" attribute to "cc<ccnz>".
        ("*addqi3<setnz>"): Similarly from "*addqi3".
        ("*sub<mode>3<setnz>"): Similarly from "*sub<mode>3".
        ("*expanded_andsi<setcc><setnz><setnzvc>"): Rename from
        "*expanded_andsi".
        ("*iorsi3<setcc><setnz><setnzvc>"): Similar from "*iorsi3".
        Decorate "cc" attribute to make "cc<cccc><ccnz><ccnzvc>".
        ("*iorhi3<setcc><setnz><setnzvc>"): Similar from "*iorhi3".
        ("*iorqi3<setcc><setnz><setnzvc>"): Similar from "*iorqi3".
        ("*expanded_andhi<setcc><setnz><setnzvc>"): Similar from
        "*expanded_andhi".  Add quick cc-setting alternative for 0..31.
        ("*andqi3<setcc><setnz><setnzvc>"): Similar from "*andqi3".
        ("<acc><anz><anzvc>xorsi3<setcc><setnz><setnzvc>"): Rename
        from "xorsi3".
        ("<acc><anz><anzvc>one_cmplsi2<setcc><setnz><setnzvc>"): Rename
        from "one_cmplsi2".
        ("<acc><anz><anzvc><shlr>si3<setcc><setnz><setnzvc>"): Rename
        from "<shlr>si3".
        ("<acc><anz><anzvc>clzsi2<setcc><setnz><setnzvc>"): Rename
        from "clzsi2".
        ("<acc><anz><anzvc>bswapsi2<setcc><setnz><setnzvc>"): Rename
        from "bswapsi2".
        ("*uminsi3<setcc><setnz><setnzvc>"): Rename from "*uminsi3".

        * config/cris/cris-modes.def (CC_ZnN): New CC_MODE.
        * config/cris/cris.c (cris_rtx_costs): Handle pre-split bit-test
        * config/cris/cris.md (ZnNNZSET, ZnNNZUSE): New mode_iterators.
        (znnCC, rznnCC): New code_attrs.
        ("*btst<mode>"): Iterator over ZnNNZSET instead of NZVCSET.  Remove
        obseolete comment.  Add belt-and-suspenders mode-test to condition.
        Add fixme regarding remaining matched-but-not-generated case.
        ("*cbranch<mode>4_btstrq1_<CC>"): New insn_and_split.
        ("*cbranch<mode>4_btstqb0_<CC>"): Rename from
        "*cbranch<mode>4_btstq<CC>".  Split to CC_NZ instead of CC.
        ("*b<zcond:code><mode>"): Iterate over ZnNNZUSE instead of NZUSE.
        Handle output of CC_ZnNmode.
        ("*b<nzcond:code>_reversed<mode>"): Ditto.

        * config/cris/cris.c (cris_select_cc_mode): Return CC_NZmode for
        NEG too.  Correct comment.
        * config/cris/cris.md ("<anz>neg<mode>2<setnz>"): Rename from
        "neg<mode>2".

2020-05-08  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-color.c (update_costs_from_allocno): Remove
        conflict_cost_update_p argument.  Propagate costs only along
        threads. Always do conflict cost update.  Add printing debugging
        info.
        (update_costs_from_copies): Add printing debugging info.
        (restore_costs_from_copies): Ditto.
        (assign_hard_reg): Improve debug info.
        (push_only_colorable): Ditto. Call update_costs_from_prefs.
        (color_allocnos): Remove update_costs_from_prefs.

2020-05-08  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (vec_info::slp_loads): New.
        (vect_optimize_slp): Declare.
        * tree-vect-slp.c (vect_attempt_slp_rearrange_stmts):  Do
        nothing when there are no loads.
        (vect_gather_slp_loads): Gather loads into a vector.
        (vect_supported_load_permutation_p): Remove.
        (vect_analyze_slp_instance): Do not verify permutation
        validity here.
        (vect_analyze_slp): Optimize permutations of reductions
        after all SLP instances have been gathered and gather
        all loads.
        (vect_optimize_slp): New function split out from
        vect_supported_load_permutation_p.  Elide some permutations.
        (vect_slp_analyze_bb_1): Call vect_optimize_slp.
        * tree-vect-loop.c (vect_analyze_loop_2): Likewise.
        * tree-vect-stmts.c (vectorizable_load): Check whether
        the load can be permuted.  When generating code assert we can.

2020-05-08  Richard Biener  <rguenther@suse.de>

        * tree-ssa-sccvn.c (rpo_avail): Change type to
        eliminate_dom_walker *.
        (eliminate_with_rpo_vn): Adjust rpo_avail to make vn_valueize
        use the DOM walker availability.
        (vn_reference_fold_indirect): Use get_addr_base_and_unit_offset_1
        with vn_valueize as valueization callback.
        (vn_reference_maybe_forwprop_address): Likewise.
        * tree-dfa.c (get_addr_base_and_unit_offset_1): Also valueize
        array_ref_low_bound.

2020-05-08  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/94786
        * match.pd (A ^ ((A ^ B) & -(C cmp D)) -> (C cmp D) ? B : A): New
        simplification.

        PR target/94857
        * config/i386/i386.md (peephole2 after *add<mode>3_cc_overflow_1): New
        define_peephole2.

        PR middle-end/94724
        * tree.c (get_narrower): Reuse the op temporary instead of
        shadowing it.

        PR tree-optimization/94783
        * match.pd ((X + (X >> (prec - 1))) ^ (X >> (prec - 1)) to abs (X)):
        New simplification.

        PR tree-optimization/94956
        * match.pd (FFS): Optimize __builtin_ffs* of non-zero argument into
        __builtin_ctz* + 1 if direct IFN_CTZ is supported.

        PR tree-optimization/94913
        * match.pd (A - B + -1 >= A to B >= A): New simplification.
        (A - B > A to A < B): Don't test TYPE_OVERFLOW_WRAPS which is always
        true for TYPE_UNSIGNED integral types.

        PR bootstrap/94961
        PR rtl-optimization/94516
        * rtl.h (remove_reg_equal_equiv_notes): Add a bool argument defaulted
        to false.
        * rtlanal.c (remove_reg_equal_equiv_notes): Add no_rescan argument.
        Call df_notes_rescan if that argument is not true and returning true.
        * combine.c (adjust_for_new_dest): Pass true as second argument to
        remove_reg_equal_equiv_notes.
        * postreload.c (reload_combine_recognize_pattern): Don't call
        df_notes_rescan.

2020-05-07  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (*setnbc_<un>signed_<GPR:mode>): New
        define_insn.
        (*setnbcr_<un>signed_<GPR:mode>): New define_insn.
        (*neg_eq_<mode>): Avoid for TARGET_FUTURE; add missing && 1.
        (*neg_ne_<mode>): Likewise.

2020-05-07  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (setbc_<un>signed_<GPR:mode>): New
        define_insn.
        (*setbcr_<un>signed_<GPR:mode>): Likewise.
        (cstore<mode>4): Use setbc[r] if available.
        (<code><GPR:mode><GPR2:mode>2_isel): Avoid for TARGET_FUTURE.
        (eq<mode>3): Use setbc for TARGET_FUTURE.
        (*eq<mode>3): Avoid for TARGET_FUTURE.
        (ne<mode>3): Replace :P with :GPR; use setbc for TARGET_FUTURE;
        else for non-Pmode, use gen_eq and gen_xor.
        (*ne<mode>3): Avoid for TARGET_FUTURE.
        (*eqsi3_ext<mode>): Avoid for TARGET_FUTURE; fix missing && 1.

2020-05-07 Jeff Law  <law@redhat.com>

        * config/h8300/h8300.md: Move expanders and patterns into
        files based on functionality.
        * config/h8300/addsub.md: New file.
        * config/h8300/bitfield.md: New file
        * config/h8300/combiner.md: New file
        * config/h8300/divmod.md: New file
        * config/h8300/extensions.md: New file
        * config/h8300/jumpcall.md: New file
        * config/h8300/logical.md: New file
        * config/h8300/movepush.md: New file
        * config/h8300/multiply.md: New file
        * config/h8300/other.md: New file
        * config/h8300/proepi.md: New file
        * config/h8300/shiftrotate.md: New file
        * config/h8300/testcompare.md: New file

        * config/h8300/h8300.md (adds/subs splitters): Merge into single
        splitter.
        (negation expanders and patterns): Simplify and combine using
        iterators.
        (one_cmpl expanders and patterns): Likewise.
        (tablejump, indirect_jump patterns ): Likewise.
        (shift and rotate expanders and patterns): Likewise.
        (absolute value expander and pattern): Drop expander, rename pattern
        to just "abssf2"
        (peephole2 patterns): Move into...
        * config/h8300/peepholes.md: New file.
        
        * config/h8300/constraints.md (L and N): Simplify now that we're not
        longer supporting the original H8/300 chip.
        * config/h8300/elf.h (LINK_SPEC): Likewise.  Default to H8/300H.
        * config/h8300/h8300.c (shift_alg_qi): Drop H8/300 support.
        (shift_alg_hi, shift_alg_si): Similarly.
        (h8300_option_overrides): Similarly.  Default to H8/300H.  If
        compiling for H8/S, then turn off H8/300H.  Do not update the
        shift_alg tables for H8/300 port.
        (h8300_emit_stack_adjustment): Remove support for H8/300.  Simplify
        where possible.
        (push, split_adds_subs, h8300_rtx_costs): Likewise.
        (h8300_print_operand, compute_mov_length): Likewise.
        (output_plussi, compute_plussi_length): Likewise.
        (compute_plussi_cc, output_logical_op): Likewise.
        (compute_logical_op_length, compute_logical_op_cc): Likewise.
        (get_shift_alg, h8300_shift_needs_scratch): Likewise.
        (output_a_shift, compute_a_shift_length): Likewise.
        (output_a_rotate, compute_a_rotate_length): Likewise.
        (output_simode_bld, h8300_hard_regno_mode_ok): Likewise.
        (h8300_modes_tieable_p, h8300_return_in_memory): Likewise.
        * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Likewise.
        (attr_cpu, TARGET_H8300): Remove.
        (TARGET_DEFAULT): Update.
        (UNITS_PER_WORD, PARM_BOUNDARY): Simplify where possible.
        (BIGGEST_ALIGNMENT, STACK_BOUNDARY): Likewise.
        (CONSTANT_ADDRESS_P, MOVE_MAX, Pmode): Likewise.
        (SIZE_TYPE, POINTER_SIZE, ASM_WORD_OP): Likewise.
        * config/h8300/h8300.md: Simplify patterns throughout.
        * config/h8300/t-h8300: Update multilib configuration.
        
        * config/h8300/h8300.h (LINK_SPEC): Remove.
        (USER_LABEL_PREFIX): Likewise.

        * config/h8300/h8300.c (h8300_asm_named_section): Remove.
        (h8300_option_override): Remove remnants of COFF support.

2020-05-07  Alan Modra  <amodra@gmail.com>

        * tree-ssa-reassoc.c (optimize_range_tests_to_bit_test): Replace
        set_rtx_cost with set_src_cost.
        * tree-switch-conversion.c (bit_test_cluster::emit): Likewise.

2020-05-07  Kewen Lin  <linkw@gcc.gnu.org>

        * tree-vect-stmts.c (vectorizable_load): Check alignment to avoid
        redundant half vector handlings for no peeling gaps.

2020-05-07  Giuliano Belinassi  <giuliano.belinassi@usp.br>

        * tree-ssa-operands.c (operands_scanner): New class.
        (operands_bitmap_obstack): Remove.
        (n_initialized): Remove.
        (build_uses): Move to operands_scanner class.
        (build_vuse): Same as above.
        (build_vdef): Same as above.
        (verify_ssa_operands): Same as above.
        (finalize_ssa_uses): Same as above.
        (cleanup_build_arrays): Same as above.
        (finalize_ssa_stmt_operands): Same as above.
        (start_ssa_stmt_operands): Same as above.
        (append_use): Same as above.
        (append_vdef): Same as above.
        (add_virtual_operand): Same as above.
        (add_stmt_operand): Same as above.
        (get_mem_ref_operands): Same as above.
        (get_tmr_operands): Same as above.
        (maybe_add_call_vops): Same as above.
        (get_asm_stmt_operands): Same as above.
        (get_expr_operands): Same as above.
        (parse_ssa_operands): Same as above.
        (finalize_ssa_defs): Same as above.
        (build_ssa_operands): Same as above, plus create a C-like wrapper.
        (update_stmt_operands): Create an instance of operands_scanner.

2020-05-07  Richard Biener  <rguenther@suse.de>

        PR ipa/94947
        * tree-ssa-structalias.c (refered_from_nonlocal_fn): Use
        DECL_EXTERNAL || TREE_PUBLIC instead of externally_visible.
        (refered_from_nonlocal_var): Likewise.
        (ipa_pta_execute): Likewise.

2020-05-07  Erick Ochoa <erick.ochoa@theobroma-systems.com>

        * gcc/tree-ssa-struct-alias.c: Fix comments

2020-05-07  Martin Liska  <mliska@suse.cz>

        * doc/invoke.texi: Fix 2 optindex entries.

2020-05-07  Richard Biener  <rguenther@suse.de>

        PR middle-end/94703
        * tree-core.h (tree_decl_common::gimple_reg_flag): Rename ...
        (tree_decl_common::not_gimple_reg_flag): ... to this.
        * tree.h (DECL_GIMPLE_REG_P): Rename ...
        (DECL_NOT_GIMPLE_REG_P): ... to this.
        * gimple-expr.c (copy_var_decl): Copy DECL_NOT_GIMPLE_REG_P.
        (create_tmp_reg): Simplify.
        (create_tmp_reg_fn): Likewise.
        (is_gimple_reg): Check DECL_NOT_GIMPLE_REG_P for all regs.
        * gimplify.c (create_tmp_from_val): Simplify.
        (gimplify_bind_expr): Likewise.
        (gimplify_compound_literal_expr): Likewise.
        (gimplify_function_tree): Likewise.
        (prepare_gimple_addressable): Set DECL_NOT_GIMPLE_REG_P.
        * asan.c (create_odr_indicator): Do not clear DECL_GIMPLE_REG_P.
        (asan_add_global): Copy it.
        * cgraphunit.c (cgraph_node::expand_thunk): Force args
        to be GIMPLE regs.
        * function.c (gimplify_parameters): Copy
        DECL_NOT_GIMPLE_REG_P.
        * ipa-param-manipulation.c
        (ipa_param_body_adjustments::common_initialization): Simplify.
        (ipa_param_body_adjustments::reset_debug_stmts): Copy
        DECL_NOT_GIMPLE_REG_P.
        * omp-low.c (lower_omp_for_scan): Do not set DECL_GIMPLE_REG_P.
        * sanopt.c (sanitize_rewrite_addressable_params): Likewise.
        * tree-cfg.c (make_blocks_1): Simplify.
        (verify_address): Do not verify DECL_GIMPLE_REG_P setting.
        * tree-eh.c (lower_eh_constructs_2): Simplify.
        * tree-inline.c (declare_return_variable): Adjust and
        generalize.
        (copy_decl_to_var): Copy DECL_NOT_GIMPLE_REG_P.
        (copy_result_decl_to_var): Likewise.
        * tree-into-ssa.c (pass_build_ssa::execute): Adjust comment.
        * tree-nested.c (create_tmp_var_for): Simplify.
        * tree-parloops.c (separate_decls_in_region_name): Copy
        DECL_NOT_GIMPLE_REG_P.
        * tree-sra.c (create_access_replacement): Adjust and
        generalize partial def support.
        * tree-ssa-forwprop.c (pass_forwprop::execute): Set
        DECL_NOT_GIMPLE_REG_P on decls we introduce partial defs on.
        * tree-ssa.c (maybe_optimize_var): Handle clearing of
        TREE_ADDRESSABLE and setting/clearing DECL_NOT_GIMPLE_REG_P
        independently.
        * lto-streamer-out.c (hash_tree): Hash DECL_NOT_GIMPLE_REG_P.
        * tree-streamer-out.c (pack_ts_decl_common_value_fields): Stream
        DECL_NOT_GIMPLE_REG_P.
        * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Likewise.
        * cfgexpand.c (avoid_type_punning_on_regs): New.
        (discover_nonconstant_array_refs): Call
        avoid_type_punning_on_regs to avoid unsupported mode punning.

2020-05-07  Alex Coplan  <alex.coplan@arm.com>

        * config/arm/arm.c (arm_add_stmt_cost): Fix declaration, remove class
        from definition.

2020-05-07  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/57359
        * tree-ssa-loop-im.c (im_mem_ref::indep_loop): Remove.
        (in_mem_ref::dep_loop): Repurpose.
        (LOOP_DEP_BIT): Remove.
        (enum dep_kind): New.
        (enum dep_state): Likewise.
        (record_loop_dependence): New function to populate the
        dependence cache.
        (query_loop_dependence): New function to query the dependence
        cache.
        (memory_accesses::refs_in_loop): Rename to ...
        (memory_accesses::refs_loaded_in_loop): ... this and change to
        only record loads.
        (outermost_indep_loop): Adjust.
        (mem_ref_alloc): Likewise.
        (gather_mem_refs_stmt): Likewise.
        (mem_refs_may_alias_p): Add tbaa_p parameter and pass it down.
        (struct sm_aux): New.
        (execute_sm): Split code generation on exits, record state
        into new hash-map.
        (enum sm_kind): New.
        (execute_sm_exit): Exit code generation part.
        (sm_seq_push_down): Helper for sm_seq_valid_bb performing
        dependence checking on stores reached from exits.
        (sm_seq_valid_bb): New function gathering SM stores on exits.
        (hoist_memory_references): Re-implement.
        (refs_independent_p): Add tbaa_p parameter and pass it down.
        (record_dep_loop): Remove.
        (ref_indep_loop_p_1): Fold into ...
        (ref_indep_loop_p): ... this and generalize for three kinds
        of dependence queries.
        (can_sm_ref_p): Adjust according to hoist_memory_references
        changes.
        (store_motion_loop): Don't do anything if the set of SM
        candidates is empty.
        (tree_ssa_lim_initialize): Adjust.
        (tree_ssa_lim_finalize): Likewise.

2020-05-07  Eric Botcazou  <ebotcazou@adacore.com>
            Pierre-Marie de Rodat  <derodat@adacore.com>

        * dwarf2out.c (add_data_member_location_attribute): Take into account
        the variant part offset in the computation of the data bit offset.
        (add_bit_offset_attribute): Remove CTX parameter.  Pass a new context
        in the call to field_byte_offset.
        (gen_field_die): Adjust call to add_bit_offset_attribute and remove
        confusing assertion.
        (analyze_variant_discr): Deal with boolean subtypes.

2020-05-07  Martin Liska  <mliska@suse.cz>

        * lto-wrapper.c: Split arguments of MAKE environment
        variable.

2020-05-07  Uroš Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_atomic_assign_expand_fenv): Use
        TARGET_EXPR instead of MODIFY_EXPR for the first assignments to
        fenv_var and new_fenv_var.

2020-05-06  Jakub Jelinek  <jakub@redhat.com>

        PR target/93069
        * config/i386/subst.md (store_mask_constraint, store_mask_predicate):
        Remove.
        (avx512dq_vextract<shuffletype>64x2_1_maskm,
        avx512f_vextract<shuffletype>32x4_1_maskm,
        vec_extract_lo_<mode>_maskm, vec_extract_hi_<mode>_maskm): Remove.
        (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>): Split
        into ...
        (*avx512dq_vextract<shuffletype>64x2_1,
        avx512dq_vextract<shuffletype>64x2_1_mask): ... these new
        define_insns.  Even in the masked variant allow memory output but in
        that case use 0 rather than 0C constraint on the source of masked-out
        elts.
        (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>): Split
        into ...
        (*avx512f_vextract<shuffletype>32x4_1,
        avx512f_vextract<shuffletype>32x4_1_mask): ... these new define_insns.
        Even in the masked variant allow memory output but in that case use
        0 rather than 0C constraint on the source of masked-out elts.
        (vec_extract_lo_<mode><mask_name>): Split into ...
        (vec_extract_lo_<mode>, vec_extract_lo_<mode>_mask): ... these new
        define_insns.  Even in the masked variant allow memory output but in
        that case use 0 rather than 0C constraint on the source of masked-out
        elts.
        (vec_extract_hi_<mode><mask_name>): Split into ...
        (vec_extract_hi_<mode>, vec_extract_hi_<mode>_mask): ... these new
        define_insns.  Even in the masked variant allow memory output but in
        that case use 0 rather than 0C constraint on the source of masked-out
        elts.

2020-05-06  qing zhao  <qing.zhao@oracle.com>

        PR c/94230
        * common.opt: Add -flarge-source-files.
        * doc/invoke.texi: Document it.
        * toplev.c (process_options): set line_table->default_range_bits
        to 0 when flag_large_source_files is true.

2020-05-06  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/94913
        * config/i386/predicates.md (add_comparison_operator): New predicate.
        * config/i386/i386.md (compare->add splitter): New splitters.

2020-05-06  Richard Biener  <rguenther@suse.de>

        * tree-vectorizer.h (vect_transform_slp_perm_load): Adjust.
        * tree-vect-data-refs.c (vect_slp_analyze_node_dependences):
        Remove slp_instance parameter, just iterate over all scalar stmts.
        (vect_slp_analyze_instance_dependence): Adjust and likewise.
        * tree-vect-slp.c (vect_bb_slp_scalar_cost): Remove unused BB
        parameter.
        (vect_schedule_slp): Just iterate over all scalar stmts.
        (vect_supported_load_permutation_p): Adjust.
        (vect_transform_slp_perm_load): Remove slp_instance parameter,
        instead use the number of lanes in the node as group size.
        * tree-vect-stmts.c (vect_model_load_cost): Get vectorization
        factor instead of slp_instance as parameter.
        (vectorizable_load): Adjust.

2020-05-06  Andreas Schwab  <schwab@suse.de>

        * config/aarch64/driver-aarch64.c: Include "aarch64-protos.h".
        (aarch64_get_extension_string_for_isa_flags): Don't declare.

2020-05-06  Richard Biener  <rguenther@suse.de>

        PR middle-end/94964
        * cfgloopmanip.c (create_preheader): Require non-complex
        preheader edge for CP_SIMPLE_PREHEADERS.

2020-05-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/94963
        * tree-ssa-loop-im.c (execute_sm_if_changed): Remove
        no-warning marking of the conditional store.
        (execute_sm): Instead mark the uninitialized state
        on loop entry to be not warned about.

2020-05-06  Hongtao Liu  <hongtao.liu@intel.com>

        * common/config/i386/i386-common.c (OPTION_MASK_ISA2_TSXLDTRK_SET,
        OPTION_MASK_ISA2_TSXLDTRK_UNSET): New macros.
        * config.gcc: Add tsxldtrkintrin.h to extra_headers.
        * config/i386/driver-i386.c (host_detect_local_cpu): Detect
        TSXLDTRK.
        * config/i386/i386-builtin.def: Add new builtins.
        * config/i386/i386-c.c (ix86_target_macros_internal): Define
        __TSXLDTRK__.
        * config/i386/i386-options.c (ix86_target_string): Add
        -mtsxldtrk.
        (ix86_valid_target_attribute_inner_p): Add attribute tsxldtrk.
        * config/i386/i386.h (TARGET_TSXLDTRK, TARGET_TSXLDTRK_P):
        New.
        * config/i386/i386.md (define_c_enum "unspec"): Add
        UNSPECV_SUSLDTRK, UNSPECV_RESLDTRK.
        (TSXLDTRK): New define_int_iterator.
        ("<tsxldtrk>"): New define_insn.
        * config/i386/i386.opt: Add -mtsxldtrk.
        * config/i386/immintrin.h: Include tsxldtrkintrin.h.
        * config/i386/tsxldtrkintrin.h: New.
        * doc/invoke.texi: Document -mtsxldtrk.

2020-05-06  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/94921
        * match.pd (~(~X - Y) -> X + Y, ~(~X + Y) -> X - Y): New
        simplifications.

2020-05-06  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/94965
        * tree-vect-stmts.c (vectorizable_load): Fix typo.

2020-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi: Replace Sun with Solaris as appropriate.
        (Tools/packages necessary for building GCC, Perl version between
        5.6.1 and 5.6.24): Remove Solaris 8 reference.
        (Installing GCC: Binaries, Solaris 2 (SPARC, Intel)): Remove
        TGCware reference.
        (Specific, i?86-*-solaris2*): Update version references for
        Solaris 11.3 and later.  Remove gas 2.26 caveat.
        (Specific, *-*-solaris2*): Update version references for
        Solaris 11.3 and later.  Remove boehm-gc reference.
        Document GMP, MPFR caveats on Solaris 11.3.
        (Specific, sparc-sun-solaris2*): Update Solaris 9 references.
        (Specific, sparc64-*-solaris2*): Likewise.
        Document --build requirement.

2020-05-06  Jakub Jelinek  <jakub@redhat.com>

        PR target/94950
        * config/riscv/riscv-builtins.c (riscv_atomic_assign_expand_fenv): Use
        TARGET_EXPR instead of MODIFY_EXPR for first assignment to old_flags.

        PR rtl-optimization/94873
        * combine.c (combine_instructions): Don't optimize using REG_EQUAL
        note if SET_SRC (set) has side-effects.

2020-05-06  Hongtao Liu  <hongtao.liu@intel.com>
            Wei Xiao  <wei3.xiao@intel.com>

        * common/config/i386/i386-common.c (OPTION_MASK_ISA2_SERIALIZE_SET,
        OPTION_MASK_ISA2_SERIALIZE_UNSET): New macros.
        (ix86_handle_option): Handle -mserialize.
        * config.gcc (serializeintrin.h): New header file.
        * config/i386/cpuid.h (bit_SERIALIZE): New bit.
        * config/i386/driver-i386.c (host_detect_local_cpu): Detect
        -mserialize.
        * config/i386/i386-builtin.def: Add new builtin.
        * config/i386/i386-c.c (__SERIALIZE__): New macro.
        * config/i386/i386-options.c (ix86_target_opts_isa2_opts):
          Add -mserialize.
        * (ix86_valid_target_attribute_inner_p): Add target attribute
        * for serialize.
        * config/i386/i386.h (TARGET_SERIALIZE, TARGET_SERIALIZE_P):
          New macros.
        * config/i386/i386.md (UNSPECV_SERIALIZE): New unspec.
          (serialize): New define_insn.
        * config/i386/i386.opt (mserialize): New option
        * config/i386/immintrin.h: Include serailizeintrin.h.
        * config/i386/serializeintrin.h: New header file.
        * doc/invoke.texi: Add documents for -mserialize.

2020-05-06  Richard Biener  <rguenther@suse.de>

        * tree-cfg.c (verify_gimple_assign_unary): Adjust integer
        to/from pointer conversion checking.

2020-05-05  Michael Meissner  <meissner@linux.ibm.com>

        * config/rs6000/rs6000-builtin.def: Delete changes meant for a
        private branch.
        * config/rs6000/rs6000-c.c: Likewise.
        * config/rs6000/rs6000-call.c: Likewise.
        * config/rs6000/rs6000.c: Likewise.

2020-05-05  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * config/rtems.h (RTEMS_STARTFILE_SPEC): Define if undefined.
        (RTEMS_ENDFILE_SPEC): Likewise.
        (STARTFILE_SPEC): Update comment.  Add RTEMS_STARTFILE_SPEC.
        (ENDFILE_SPEC): Add RTEMS_ENDFILE_SPEC.
        (LIB_SPECS): Support -nodefaultlibs option.
        * config/or1k/rtems.h (RTEMS_STARTFILE_SPEC): Define.
        (RTEMS_ENDFILE_SPEC): Likewise.
        * config/rs6000/rtems.h (RTEMS_STARTFILE_SPEC): Likewise.
        (RTEMS_ENDFILE_SPEC): Likewise.
        * config/v850/rtems.h (RTEMS_STARTFILE_SPEC): Likewise.
        (RTEMS_ENDFILE_SPEC): Likewise.

2020-05-05  Dimitar Dimitrov  <dimitar@dinux.eu>

        * config/pru/pru.c (pru_hard_regno_call_part_clobbered): Remove.
        (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Remove.

2020-05-05  Dimitar Dimitrov  <dimitar@dinux.eu>

        * config/pru/pru.h: Mark R3.w0 as caller saved.

2020-05-05  Dimitar Dimitrov  <dimitar@dinux.eu>

        * config/pru/pru.c (pru_emit_doloop): Use new gen_doloop_end_internal
        and gen_doloop_begin_internal.
        (pru_reorg_loop): Use gen_pruloop with mode.
        * config/pru/pru.md: Use new @insn syntax.

2020-05-05  Dimitar Dimitrov  <dimitar@dinux.eu>

        * config/pru/pru.c (pru_print_operand): Fix fall through comment.

2020-05-05  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (fixuns_trunc<mode>si2): Use
        "clobber (scratch:M)" instad of "clobber (match_scratch:M N)".
        (addqi3_cconly_overflow): Ditto.
        (umulv<mode>4): Ditto.
        (<s>mul<mode>3_highpart): Ditto.
        (tls_global_dynamic_32): Ditto.
        (tls_local_dynamic_base_32): Ditto.
        (atanxf2): Ditto.
        (asinxf2): Ditto.
        (acosxf2): Ditto.
        (logxf2): Ditto.
        (log10xf2): Ditto.
        (log2xf2): Ditto.
        (*adddi_4): Remove "m" constraint from scratch operand.
        (*add<mode>_4): Ditto.

2020-05-05  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/94516
        * postreload.c (reload_cse_simplify): When replacing sp = sp + const
        with sp = reg, add REG_EQUAL note with sp + const.
        * combine-stack-adj.c (try_apply_stack_adjustment): Change return
        type from int to bool.  Add LIVE and OTHER_INSN arguments.  Undo
        postreload sp = sp + const to sp = reg optimization if needed and
        possible.
        (combine_stack_adjustments_for_block): Add LIVE argument.  Handle
        reg = sp insn with sp + const REG_EQUAL note.  Adjust
        try_apply_stack_adjustment caller, call
        df_simulate_initialize_forwards and df_simulate_one_insn_forwards.
        (combine_stack_adjustments): Allocate and free LIVE bitmap,
        adjust combine_stack_adjustments_for_block caller.

2020-05-05  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/93623
        * tree-cfg.c (stmt_can_terminate_bb_p): Update comment to reflect
        reality.

2020-05-05  Martin Liska  <mliska@suse.cz>

        * opt-functions.awk (opt_args_non_empty): New function.
        * opt-read.awk: Use the function for various option arguments.

2020-05-05  Martin Liska  <mliska@suse.cz>

        PR driver/94330
        * lto-wrapper.c (run_gcc): When using -flto=jobserver,
        report warning when the jobserver is not detected.

2020-05-05  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/94636
        * gcov.c (main): Print total lines summary at the end.
        (generate_results): Expect file_name always being non-null.
        Print newline after intermediate file is printed in order to align with
        what we do for normal files.

2020-05-05  Martin Liska  <mliska@suse.cz>

        * dumpfile.c (dump_switch_p): Change return type
        and print option suggestion.
        * dumpfile.h: Change return type.
        * opts-global.c (handle_common_deferred_options):
        Move error into dump_switch_p function.

2020-05-05  Martin Liska  <mliska@suse.cz>

        PR c/92472
        * alloc-pool.h: Use const for some arguments.
        * bitmap.h: Likewise.
        * mem-stats.h: Likewise.
        * sese.h (get_entry_bb): Likewise.
        (get_exit_bb): Likewise.

2020-05-05  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (struct vdhs_data): New.
        (vect_detect_hybrid_slp): New walker.
        (vect_detect_hybrid_slp): Rewrite.

2020-05-05  Richard Biener  <rguenther@suse.de>

        PR ipa/94947
        * tree-ssa-structalias.c (ipa_pta_execute): Use
        varpool_node::externally_visible_p ().
        (refered_from_nonlocal_var): Likewise.

2020-05-05  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc.c (LTO_PLUGIN_SPEC): Define if not already.
        (LINK_PLUGIN_SPEC): Execute LTO_PLUGIN_SPEC.
        * config/vxworks.h (LTO_PLUGIN_SPEC): Define.

2020-05-05  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_init_constructor): Do not put the constructor
        into static memory if it is not complete.

2020-05-05  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/94949
        * tree-ssa-loop-im.c (execute_sm): Check whether we use
        the multithreaded model or always compute the stored value
        before eliding a load.

2020-05-05  Alex Coplan  <alex.coplan@arm.com>

        * config/aarch64/aarch64.md (*one_cmpl_zero_extend): New.

2020-05-05  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/94800
        * match.pd (X + (X << C) to X * (1 + (1 << C)),
        (X << C1) + (X << C2) to X * ((1 << C1) + (1 << C2))): New
        canonicalizations.

        PR target/94942
        * config/i386/mmx.md (*vec_dupv4hi): Use xYw constraints instead of Yv.

        PR tree-optimization/94914
        * match.pd ((((type)A * B) >> prec) != 0 to .MUL_OVERFLOW(A, B) != 0):
        New simplification.

2020-05-05  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*testqi_ext_3): Use
        int_nonimmediate_operand instead of manual mode checks.
        (*x86_mov<SWI48:mode>cc_0_m1_neg_leu<SWI:mode>):
        Use int_nonimmediate_operand predicate.  Rewrite
        define_insn_and_split pattern to a combine pass splitter.

2020-05-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac <i[34567]86-*-*>: Add --32 to tls_as_opt on Solaris.
        * configure: Regenerate.

2020-05-05  Jakub Jelinek  <jakub@redhat.com>

        PR target/94460
        * config/i386/sse.md (avx2_ph<plusminus_mnemonic>wv16hi3,
        ssse3_ph<plusminus_mnemonic>wv8hi3, ssse3_ph<plusminus_mnemonic>wv4hi3,
        avx2_ph<plusminus_mnemonic>dv8si3, ssse3_ph<plusminus_mnemonic>dv4si3,
        ssse3_ph<plusminus_mnemonic>dv2si3): Simplify RTL patterns.

2020-05-04  Clement Chigot  <clement.chigot@atos.net>
            David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/rs6000-call.c (rs6000_init_builtins): Override explicit
        for fmodl, frexpl, ldexpl and modfl builtins.

2020-05-04  Richard Sandiford  <richard.sandiford@arm.com>

        PR middle-end/94941
        * internal-fn.c (expand_load_lanes_optab_fn): Emit a move if the
        chosen lhs is different from the gcall lhs.
        (expand_mask_load_optab_fn): Likewise.
        (expand_gather_load_optab_fn): Likewise.

2020-05-04  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/94795
        * config/i386/i386.md (*neg<mode>_ccc): New insn pattern.
        (EQ compare->LTU compare splitter): New splitter.
        (NE compare->NEG splitter): Ditto.

2020-05-04  Marek Polacek  <polacek@redhat.com>

        Revert:
        2020-04-30  Marek Polacek  <polacek@redhat.com>

        PR c++/94775
        * tree.c (check_base_type): Return true only if TYPE_USER_ALIGN match.
        (check_aligned_type): Check if TYPE_USER_ALIGN match.

2020-05-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/93891
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Fall back to
        the original reference tree for assessing access alignment.

2020-05-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/39612
        * tree-ssa-loop-im.c (im_mem_ref::loaded): New member.
        (set_ref_loaded_in_loop): New.
        (mark_ref_loaded): Likewise.
        (gather_mem_refs_stmt): Call mark_ref_loaded for loads.
        (execute_sm): Avoid issueing a load when it was not there.
        (execute_sm_if_changed): Avoid issueing warnings for the
        conditional store.

2020-05-04  Martin Jambor  <mjambor@suse.cz>

        PR ipa/93385
        * tree-inline.c (tree_function_versioning): Leave any type conversion
        of replacements to setup_one_parameter and its friend
        force_value_to_type.

2020-05-04  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/94650
        * config/i386/predicates.md (shr_comparison_operator): New predicate.
        * config/i386/i386.md (compare->shr splitter): New splitters.

2020-05-04  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/94718
        * match.pd ((X < 0) != (Y < 0) into (X ^ Y) < 0): New simplification.

        PR tree-optimization/94718
        * match.pd (bitop (convert @0) (convert? @1)): For GIMPLE, if we can,
        replace two nop conversions on bit_{and,ior,xor} argument
        and result with just one conversion on the result or another argument.

        PR tree-optimization/94718
        * fold-const.c (fold_binary_loc): Move (X & C) eqne (Y & C)
        -> (X ^ Y) & C eqne 0 optimization to ...
        * match.pd ((X & C) op (Y & C) into (X ^ Y) & C op 0): ... here.

        * opts.c (get_option_html_page): Instead of hardcoding a list of
        options common between C/C++ and Fortran only use gfortran/
        documentation for warnings that have CL_Fortran set but not
        CL_C or CL_CXX.

2020-05-03  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-expand.c (ix86_expand_int_movcc):
        Use plus_constant instead of gen_rtx_PLUS with GEN_INT.
        (emit_memmov): Ditto.
        (emit_memset): Ditto.
        (ix86_expand_strlensi_unroll_1): Ditto.
        (release_scratch_register_on_entry): Ditto.
        (gen_frame_set): Ditto.
        (ix86_emit_restore_reg_using_pop): Ditto.
        (ix86_emit_outlined_ms2sysv_restore): Ditto.
        (ix86_expand_epilogue): Ditto.
        (ix86_expand_split_stack_prologue): Ditto.
        * config/i386/i386.md (push immediate splitter): Ditto.
        (strmov): Ditto.
        (strset): Ditto.

2020-05-02  Iain Sandoe  <iain@sandoe.co.uk>

        PR translation/93861
        * config/darwin-driver.c (darwin_driver_init): Adjust spelling in
        a warning.

2020-05-02  Jakub Jelinek  <jakub@redhat.com>

        * config/tilegx/tilegx.md
        (insn_stnt<I124MODE:n>_add<I48MODE:bitsuffix>): Use <I124MODE:n>
        rather than just <n>.

2020-05-01  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/93492
        * cfgexpand.c (pass_expand::execute): Set crtl->patch_area_size
        and crtl->patch_area_entry.
        * emit-rtl.h (rtl_data): Add patch_area_size and patch_area_entry.
        * opts.c (common_handle_option): Limit
        function_entry_patch_area_size and function_entry_patch_area_start
        to USHRT_MAX.  Fix a typo in error message.
        * varasm.c (assemble_start_function): Use crtl->patch_area_size
        and crtl->patch_area_entry.
        * doc/invoke.texi: Document the maximum value for
        -fpatchable-function-entry.

2020-05-01  Iain Sandoe  <iain@sandoe.co.uk>

        * config/i386/darwin.h: Repair SUBTARGET_INIT_BUILTINS.
        Override SUBTARGET_SHADOW_OFFSET macro.

2020-05-01  Andreas Tobler  <andreast@gcc.gnu.org>

        * config/i386/i386.h: Define a new macro: SUBTARGET_SHADOW_OFFSET.
        * config/i386/i386.c (ix86_asan_shadow_offset): Use this macro.
        * config/i386/darwin.h: Override the SUBTARGET_SHADOW_OFFSET macro.
        * config/i386/freebsd.h: Likewise.
        * config/freebsd.h (LIBASAN_EARLY_SPEC): Define.
        LIBTSAN_EARLY_SPEC): Likewise. (LIBLSAN_EARLY_SPEC): Likewise.

2020-04-30  Alexandre Oliva <oliva@adacore.com>

        * doc/sourcebuild.texi (Effective-Target Keywords): Document
        the newly-introduced fileio effective target.

2020-04-30  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/94740
        * cse.c (cse_process_notes_1): Replace with...
        (cse_process_note_1): ...this new function, acting as a
        simplify_replace_fn_rtx callback to process_note.  Handle only
        REGs and MEMs directly.  Validate the MEM if cse_process_note
        changes its address.
        (cse_process_notes): Replace with...
        (cse_process_note): ...this new function.
        (cse_extended_basic_block): Update accordingly, iterating over
        the register notes and passing individual notes to cse_process_note.

2020-04-30  Carl Love  <cel@us.ibm.com>

        * config/rs6000/emmintrin.h (_mm_movemask_epi8): Fix comment.

2020-04-30  Martin Jambor  <mjambor@suse.cz>

        PR ipa/94856
        * cgraph.c (clone_of_p): Also consider thunks whih had their bodies
        saved by the inliner and thunks which had their call inlined.
        * ipa-inline-transform.c (save_inline_function_body): Fill in
        former_clone_of of new body holders.

2020-04-30  Jakub Jelinek  <jakub@redhat.com>

        * BASE-VER: Set to 11.0.0.

2020-04-30  Jonathan Wakely  <jwakely@redhat.com>

        * pretty-print.c (pp_take_prefix): Fix spelling in comment.

2020-04-30  Marek Polacek  <polacek@redhat.com>

        PR c++/94775
        * tree.c (check_base_type): Return true only if TYPE_USER_ALIGN match.
        (check_aligned_type): Check if TYPE_USER_ALIGN match.

2020-04-30  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64.h (TARGET_OUTLINE_ATOMICS): Define.
        * config/aarch64/aarch64.opt (moutline-atomics): Change to Int variable.
        * doc/invoke.texi (moutline-atomics): Document as on by default.

2020-04-30  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        PR target/94748
        * config/aarch64/aarch64-bti-insert.c (rest_of_insert_bti): Remove
        the check for NOTE_INSN_DELETED_LABEL.

2020-04-30  Jakub Jelinek  <jakub@redhat.com>

        * configure.ac (--with-documentation-root-url,
        --with-changes-root-url): Diagnose URL not ending with /,
        use AC_DEFINE_UNQUOTED instead of AC_SUBST.
        * opts.h (get_changes_url): Remove.
        * opts.c (get_changes_url): Remove.
        * Makefile.in (CFLAGS-opts.o): Don't add -DDOCUMENTATION_ROOT_URL
        or -DCHANGES_ROOT_URL.
        * doc/install.texi (--with-documentation-root-url,
        --with-changes-root-url): Document.
        * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Don't call
        get_changes_url and free, change url variable type to const char * and
        set it to CHANGES_ROOT_URL "gcc-10/changes.html#empty_base".
        * config/s390/s390.c (s390_function_arg_vector,
        s390_function_arg_float): Likewise.
        * config/aarch64/aarch64.c (aarch64_vfp_is_call_or_return_candidate):
        Likewise.
        * config/rs6000/rs6000-call.c (rs6000_discover_homogeneous_aggregate):
        Likewise.
        * config.in: Regenerate.
        * configure: Regenerate.

2020-04-30  Christophe Lyon  <christophe.lyon@linaro.org>

        PR target/57002
        * config/arm/arm.c (isr_attribute_args): Remove duplicate entries.

2020-04-30  Andreas Krebbel  <krebbel@linux.ibm.com>

        * config/s390/constraints.md ("j>f", "jb4"): New constraints.
        * config/s390/vecintrin.h (vec_load_len_r, vec_store_len_r): Fix
        macro definitions.
        * config/s390/vx-builtins.md ("vlrlrv16qi", "vstrlrv16qi"): Add a
        separate expander.
        ("*vlrlrv16qi", "*vstrlrv16qi"): Add alternative for vl/vst.
        Change constraint for vlrl/vstrl to jb4.

2020-04-30  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>

        * var-tracking.c (vt_initialize): Move variables pre and post
        into inner block and initialize both in order to fix warning
        about uninitialized use.  Remove unnecessary checks for
        frame_pointer_needed.

2020-04-30  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>

        * toplev.c (output_stack_usage_1): Ensure that first
        argument to fprintf is not null.

2020-04-29  Jakub Jelinek  <jakub@redhat.com>

        * configure.ac (-with-changes-root-url): New configure option,
        defaulting to https://gcc.gnu.org/.
        * Makefile.in (CFLAGS-opts.o): Define CHANGES_ROOT_URL for
        opts.c.
        * pretty-print.c (get_end_url_string): New function.
        (pp_format): Handle %{ and %} for URLs.
        (pp_begin_url): Use pp_string instead of pp_printf.
        (pp_end_url): Use get_end_url_string.
        * opts.h (get_changes_url): Declare.
        * opts.c (get_changes_url): New function.
        * config/rs6000/rs6000-call.c: Include opts.h.
        (rs6000_discover_homogeneous_aggregate): Use %{in GCC 10.1%} instead
        of just in GCC 10.1 in diagnostics and add URL.
        * config/arm/arm.c (aapcs_vfp_is_call_or_return_candidate): Likewise.
        * config/aarch64/aarch64.c (aarch64_vfp_is_call_or_return_candidate):
        Likewise.
        * config/s390/s390.c (s390_function_arg_vector,
        s390_function_arg_float): Likewise.
        * configure: Regenerated.

        PR target/94704
        * config/s390/s390.c (s390_function_arg_vector,
        s390_function_arg_float): Use DECL_FIELD_ABI_IGNORED instead of
        cxx17_empty_base_field_p.  In -Wpsabi diagnostics use the type
        passed to the function rather than the type of the single element.
        Rename cxx17_empty_base_seen variable to empty_base_seen, change
        type to int, and adjust diagnostics depending on if the field
        has [[no_unique_attribute]] or not.

        PR target/94832
        * config/i386/avx512bwintrin.h (_mm512_alignr_epi8,
        _mm512_mask_alignr_epi8, _mm512_maskz_alignr_epi8): Wrap macro operands
        used in casts into parens.
        * config/i386/avx512fintrin.h (_mm512_cvt_roundps_ph, _mm512_cvtps_ph,
        _mm512_mask_cvt_roundps_ph, _mm512_mask_cvtps_ph,
        _mm512_maskz_cvt_roundps_ph, _mm512_maskz_cvtps_ph,
        _mm512_mask_cmp_epi64_mask, _mm512_mask_cmp_epi32_mask,
        _mm512_mask_cmp_epu64_mask, _mm512_mask_cmp_epu32_mask,
        _mm512_mask_cmp_round_pd_mask, _mm512_mask_cmp_round_ps_mask,
        _mm512_mask_cmp_pd_mask, _mm512_mask_cmp_ps_mask): Likewise.
        * config/i386/avx512vlbwintrin.h (_mm256_mask_alignr_epi8,
        _mm256_maskz_alignr_epi8, _mm_mask_alignr_epi8, _mm_maskz_alignr_epi8,
        _mm256_mask_cmp_epu8_mask): Likewise.
        * config/i386/avx512vlintrin.h (_mm_mask_cvtps_ph, _mm_maskz_cvtps_ph,
        _mm256_mask_cvtps_ph, _mm256_maskz_cvtps_ph): Likewise.
        * config/i386/f16cintrin.h (_mm_cvtps_ph, _mm256_cvtps_ph): Likewise.
        * config/i386/shaintrin.h (_mm_sha1rnds4_epu32): Likewise.

        PR target/94832
        * config/i386/avx2intrin.h (_mm_mask_i32gather_pd,
        _mm256_mask_i32gather_pd, _mm_mask_i64gather_pd,
        _mm256_mask_i64gather_pd, _mm_mask_i32gather_ps,
        _mm256_mask_i32gather_ps, _mm_mask_i64gather_ps,
        _mm256_mask_i64gather_ps, _mm_i32gather_epi64,
        _mm_mask_i32gather_epi64, _mm256_i32gather_epi64,
        _mm256_mask_i32gather_epi64, _mm_i64gather_epi64,
        _mm_mask_i64gather_epi64, _mm256_i64gather_epi64,
        _mm256_mask_i64gather_epi64, _mm_i32gather_epi32,
        _mm_mask_i32gather_epi32, _mm256_i32gather_epi32,
        _mm256_mask_i32gather_epi32, _mm_i64gather_epi32,
        _mm_mask_i64gather_epi32, _mm256_i64gather_epi32,
        _mm256_mask_i64gather_epi32): Surround macro parameter uses with
        parens.
        (_mm_i32gather_pd, _mm256_i32gather_pd, _mm_i64gather_pd,
        _mm256_i64gather_pd, _mm_i32gather_ps, _mm256_i32gather_ps,
        _mm_i64gather_ps, _mm256_i64gather_ps): Likewise.  Don't use
        as mask vector containing -1.0 or -1.0f elts, but instead vector
        with all bits set using _mm*_cmpeq_p? with zero operands.
        * config/i386/avx512fintrin.h (_mm512_i32gather_ps,
        _mm512_mask_i32gather_ps, _mm512_i32gather_pd,
        _mm512_mask_i32gather_pd, _mm512_i64gather_ps,
        _mm512_mask_i64gather_ps, _mm512_i64gather_pd,
        _mm512_mask_i64gather_pd, _mm512_i32gather_epi32,
        _mm512_mask_i32gather_epi32, _mm512_i32gather_epi64,
        _mm512_mask_i32gather_epi64, _mm512_i64gather_epi32,
        _mm512_mask_i64gather_epi32, _mm512_i64gather_epi64,
        _mm512_mask_i64gather_epi64, _mm512_i32scatter_ps,
        _mm512_mask_i32scatter_ps, _mm512_i32scatter_pd,
        _mm512_mask_i32scatter_pd, _mm512_i64scatter_ps,
        _mm512_mask_i64scatter_ps, _mm512_i64scatter_pd,
        _mm512_mask_i64scatter_pd, _mm512_i32scatter_epi32,
        _mm512_mask_i32scatter_epi32, _mm512_i32scatter_epi64,
        _mm512_mask_i32scatter_epi64, _mm512_i64scatter_epi32,
        _mm512_mask_i64scatter_epi32, _mm512_i64scatter_epi64,
        _mm512_mask_i64scatter_epi64): Surround macro parameter uses with
        parens.
        * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
        _mm512_prefetch_i32gather_ps, _mm512_mask_prefetch_i32gather_pd,
        _mm512_mask_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
        _mm512_prefetch_i64gather_ps, _mm512_mask_prefetch_i64gather_pd,
        _mm512_mask_prefetch_i64gather_ps, _mm512_prefetch_i32scatter_pd,
        _mm512_prefetch_i32scatter_ps, _mm512_mask_prefetch_i32scatter_pd,
        _mm512_mask_prefetch_i32scatter_ps, _mm512_prefetch_i64scatter_pd,
        _mm512_prefetch_i64scatter_ps, _mm512_mask_prefetch_i64scatter_pd,
        _mm512_mask_prefetch_i64scatter_ps): Likewise.
        * config/i386/avx512vlintrin.h (_mm256_mmask_i32gather_ps,
        _mm_mmask_i32gather_ps, _mm256_mmask_i32gather_pd,
        _mm_mmask_i32gather_pd, _mm256_mmask_i64gather_ps,
        _mm_mmask_i64gather_ps, _mm256_mmask_i64gather_pd,
        _mm_mmask_i64gather_pd, _mm256_mmask_i32gather_epi32,
        _mm_mmask_i32gather_epi32, _mm256_mmask_i32gather_epi64,
        _mm_mmask_i32gather_epi64, _mm256_mmask_i64gather_epi32,
        _mm_mmask_i64gather_epi32, _mm256_mmask_i64gather_epi64,
        _mm_mmask_i64gather_epi64, _mm256_i32scatter_ps,
        _mm256_mask_i32scatter_ps, _mm_i32scatter_ps, _mm_mask_i32scatter_ps,
        _mm256_i32scatter_pd, _mm256_mask_i32scatter_pd, _mm_i32scatter_pd,
        _mm_mask_i32scatter_pd, _mm256_i64scatter_ps,
        _mm256_mask_i64scatter_ps, _mm_i64scatter_ps, _mm_mask_i64scatter_ps,
        _mm256_i64scatter_pd, _mm256_mask_i64scatter_pd, _mm_i64scatter_pd,
        _mm_mask_i64scatter_pd, _mm256_i32scatter_epi32,
        _mm256_mask_i32scatter_epi32, _mm_i32scatter_epi32,
        _mm_mask_i32scatter_epi32, _mm256_i32scatter_epi64,
        _mm256_mask_i32scatter_epi64, _mm_i32scatter_epi64,
        _mm_mask_i32scatter_epi64, _mm256_i64scatter_epi32,
        _mm256_mask_i64scatter_epi32, _mm_i64scatter_epi32,
        _mm_mask_i64scatter_epi32, _mm256_i64scatter_epi64,
        _mm256_mask_i64scatter_epi64, _mm_i64scatter_epi64,
        _mm_mask_i64scatter_epi64): Likewise.

2020-04-29  Jeff Law  <law@redhat.com>

        * config/h8300/h8300.md (H8/SX div patterns): All H8/SX specific
        division instructions are 4 bytes long.

2020-04-29  Jakub Jelinek  <jakub@redhat.com>

        PR target/94826
        * config/rs6000/rs6000.c (rs6000_atomic_assign_expand_fenv): Use
        TARGET_EXPR instead of MODIFY_EXPR for first assignment to
        fenv_var, fenv_clear and old_fenv variables.  For fenv_addr
        take address of TARGET_EXPR of fenv_var with void_node initializer.
        Formatting fixes.

2020-04-29  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>

        PR tree-optimization/94774
        * gimple-ssa-sprintf.c (try_substitute_return_value): Initialize
        variable retval.

2020-04-29  Richard Sandiford  <richard.sandiford@arm.com>

        * calls.h (cxx17_empty_base_field_p): Turn into a function declaration.
        * calls.c (cxx17_empty_base_field_p): New function.  Check
        DECL_ARTIFICIAL and RECORD_OR_UNION_TYPE_P in addition to the
        previous checks.

2020-04-29  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/93654
        * config/i386/i386-options.c (ix86_set_indirect_branch_type):
        Allow -fcf-protection with -mindirect-branch=thunk-extern and
        -mfunction-return=thunk-extern.
        * doc/invoke.texi: Update notes for -fcf-protection=branch with
        -mindirect-branch=thunk-extern and -mindirect-return=thunk-extern.

2020-04-29  Richard Sandiford  <richard.sandiford@arm.com>

        * doc/sourcebuild.texi: Add missing arm_arch_v8a_hard_ok anchor.

2020-04-29  Richard Sandiford  <richard.sandiford@arm.com>

        * config/arm/arm-builtins.c (arm_atomic_assign_expand_fenv): Use
        TARGET_EXPR instead of MODIFY_EXPR for the first assignments to
        fenv_var and new_fenv_var.

2020-04-29  Richard Sandiford  <richard.sandiford@arm.com>

        * doc/sourcebuild.texi (arm_arch_v8a_hard_ok): Document new
        effective-target keyword.
        (arm_arch_v8a_hard_multilib): Likewise.
        (arm_arch_v8a_hard): Document new dg-add-options keyword.
        * config/arm/arm.c (arm_return_in_memory): Note that the APCS
        code is deprecated and has not been updated to handle
        DECL_FIELD_ABI_IGNORED.
        (WARN_PSABI_EMPTY_CXX17_BASE): New constant.
        (WARN_PSABI_NO_UNIQUE_ADDRESS): Likewise.
        (aapcs_vfp_sub_candidate): Replace the boolean pointer parameter
        avoid_cxx17_empty_base with a pointer to a bitmask.  Ignore fields
        whose DECL_FIELD_ABI_IGNORED bit is set when determining whether
        something actually is a HFA or HVA.  Record whether we see a
        [[no_unique_address]] field that previous GCCs would not have
        ignored in this way.
        (aapcs_vfp_is_call_or_return_candidate): Update the calls to
        aapcs_vfp_sub_candidate and report a -Wpsabi warning for the
        [[no_unique_address]] case.  Use TYPE_MAIN_VARIANT in the
        diagnostic messages.
        (arm_needs_doubleword_align): Add a comment explaining why we
        consider even zero-sized fields.

2020-04-29  Richard Biener  <rguenther@suse.de>
            Li Zekun  <lizekun1@huawei.com>

        PR lto/94822
        * tree.c (component_ref_size): Guard against error_mark_node
        DECL_INITIAL as it happens with LTO.

2020-04-29  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.c (aarch64_function_arg_alignment): Add a
        comment explaining why we consider even zero-sized fields.
        (WARN_PSABI_EMPTY_CXX17_BASE): New constant.
        (WARN_PSABI_NO_UNIQUE_ADDRESS): Likewise.
        (aapcs_vfp_sub_candidate): Replace the boolean pointer parameter
        avoid_cxx17_empty_base with a pointer to a bitmask.  Ignore fields
        whose DECL_FIELD_ABI_IGNORED bit is set when determining whether
        something actually is a HFA or HVA.  Record whether we see a
        [[no_unique_address]] field that previous GCCs would not have
        ignored in this way.
        (aarch64_vfp_is_call_or_return_candidate): Add a parameter to say
        whether diagnostics should be suppressed.  Update the calls to
        aapcs_vfp_sub_candidate and report a -Wpsabi warning for the
        [[no_unique_address]] case.
        (aarch64_return_in_msb): Update call accordingly, never silencing
        diagnostics.
        (aarch64_function_value): Likewise.
        (aarch64_return_in_memory_1): Likewise.
        (aarch64_init_cumulative_args): Likewise.
        (aarch64_gimplify_va_arg_expr): Likewise.
        (aarch64_pass_by_reference_1): Take a CUMULATIVE_ARGS pointer and
        use it to decide whether arch64_vfp_is_call_or_return_candidate
        should be silent.
        (aarch64_pass_by_reference): Update calls accordingly.
        (aarch64_vfp_is_call_candidate): Use the CUMULATIVE_ARGS argument
        to decide whether arch64_vfp_is_call_or_return_candidate should be
        silent.

2020-04-29  Haijian Zhang  <z.zhanghaijian@huawei.com>

        PR target/94820
        * config/aarch64/aarch64-builtins.c
        (aarch64_atomic_assign_expand_fenv): Use TARGET_EXPR instead of
        MODIFY_EXPR for first assignment to fenv_cr, fenv_sr and
        new_fenv_var.

2020-04-29  Thomas Schwinge  <thomas@codesourcery.com>

        * configure.ac <$enable_offload_targets>: Do parsing as done
        elsewhere.
        * configure: Regenerate.

        * configure.ac <$enable_offload_targets>: 'amdgcn' is 'gcn'.
        * configure: Regenerate.

        PR target/94279
        * rtlanal.c (set_noop_p): Handle non-constant selectors.

        PR target/94282
        * common/config/gcn/gcn-common.c (gcn_except_unwind_info): New
        function.
        (TARGET_EXCEPT_UNWIND_INFO): Define.

2020-04-29  Jakub Jelinek  <jakub@redhat.com>

        PR target/94248
        * config/gcn/gcn.md (*mov<mode>_insn): Use
        'reg_overlap_mentioned_p' to check for overlap.

        PR target/94706
        * config/ia64/ia64.c (hfa_element_mode): Use DECL_FIELD_ABI_IGNORED
        instead of cxx17_empty_base_field_p.

        PR target/94707
        * tree-core.h (tree_decl_common): Note decl_flag_0 used for
        DECL_FIELD_ABI_IGNORED.
        * tree.h (DECL_FIELD_ABI_IGNORED): Define.
        * calls.h (cxx17_empty_base_field_p): Change into a temporary
        macro, check DECL_FIELD_ABI_IGNORED flag with no "no_unique_address"
        attribute.
        * calls.c (cxx17_empty_base_field_p): Remove.
        * tree-streamer-out.c (pack_ts_decl_common_value_fields): Handle
        DECL_FIELD_ABI_IGNORED.
        * tree-streamer-in.c (unpack_ts_decl_common_value_fields): Likewise.
        * lto-streamer-out.c (hash_tree): Likewise.
        * config/rs6000/rs6000-call.c (rs6000_aggregate_candidate): Rename
        cxx17_empty_base_seen to empty_base_seen, change type to int *,
        adjust recursive calls, use DECL_FIELD_ABI_IGNORED instead of
        cxx17_empty_base_field_p, if "no_unique_address" attribute is
        present, propagate that to the caller too.
        (rs6000_discover_homogeneous_aggregate): Adjust
        rs6000_aggregate_candidate caller, emit different diagnostics
        when c++17 empty base fields are present and when empty
        [[no_unique_address]] fields are present.
        * config/rs6000/rs6000.c (rs6000_special_round_type_align,
        darwin_rs6000_special_round_type_align): Skip DECL_FIELD_ABI_IGNORED
        fields.

2020-04-29  Richard Biener  <rguenther@suse.de>

        * tree-ssa-loop-im.c (ref_always_accessed::operator ()):
        Just check whether the stmt stores.

2020-04-28  Alexandre Oliva <oliva@adacore.com>

        PR target/94812
        * config/rs6000/rs6000.md (rs6000_mffsl): Copy result to
        output operand in emulation.  Don't overwrite pseudos.

2020-04-28  Jeff Law  <law@redhat.com>

        * config/h8300/h8300.md (H8/SX mult patterns): All H8/SX specific
        multiply patterns are 4 bytes long.

2020-04-28  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/arm/arm-cpus.in (cortex-m55): Remove +nofp option.
        * doc/invoke.texi (Arm Options): Remove -mcpu=cortex-m55 from +nofp option.

2020-04-28  Matthew Malcomson  <matthew.malcomson@arm.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/94711
        * config/arm/arm.c (aapcs_vfp_sub_candidate): Account for C++17 empty
        base class artificial fields.
        (aapcs_vfp_is_call_or_return_candidate): Warn when PCS ABI
        decision is different after this fix.

2020-04-28  David Malcolm  <dmalcolm@redhat.com>

        PR analyzer/94447
        PR analyzer/94639
        PR analyzer/94732
        PR analyzer/94754
        * doc/invoke.texi (Static Analyzer Options): Remove
        -Wanalyzer-use-of-uninitialized-value.
        (-Wno-analyzer-use-of-uninitialized-value): Remove item.

2020-04-28  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/94809
        * tree.c (build_call_expr_internal_loc_array): Call
        process_call_operands.

2020-04-27  Anton Youdkevitch  <anton.youdkevitch@bell-sw.com>

        * config/aarch64/aarch64-cores.def (thunderx3t110): Add the chip name.
        * config/aarch64/aarch64-tune.md: Regenerate.
        * config/aarch64/aarch64.c (thunderx3t110_addrcost_table): Define.
        (thunderx3t110_regmove_cost): Likewise.
        (thunderx3t110_vector_cost): Likewise.
        (thunderx3t110_prefetch_tune): Likewise.
        (thunderx3t110_tunings): Likewise.
        * config/aarch64/aarch64-cost-tables.h (thunderx3t110_extra_costs):
        Define.
        * config/aarch64/thunderx3t110.md: New file.
        * config/aarch64/aarch64.md: Include thunderx3t110.md.
        * doc/invoke.texi (AArch64 options): Add thunderx3t110.

2020-04-28  Jakub Jelinek  <jakub@redhat.com>

        PR target/94704
        * config/s390/s390.c (s390_function_arg_vector,
        s390_function_arg_float): Emit -Wpsabi diagnostics if the ABI changed.

2020-04-28  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/94727
        * tree-vect-stmts.c (vect_is_simple_cond): If both comparison
        operands are invariant booleans, use the mask type associated with the
        STMT_VINFO_VECTYPE.  Use !slp_node instead of !vectype to exclude SLP.
        (vectorizable_condition): Pass vectype unconditionally to
        vect_is_simple_cond.

2020-04-27  Jakub Jelinek  <jakub@redhat.com>

        PR target/94780
        * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Use
        TARGET_EXPR instead of MODIFY_EXPR for first assignment to
        sw_var, exceptions_var, mxcsr_orig_var and mxcsr_mod_var.

2020-04-27  David Malcolm  <dmalcolm@redhat.com>

        PR 92830
        * configure.ac (DOCUMENTATION_ROOT_URL): Drop trailing "gcc/" from
        default value, so that it can by supplied by get_option_html_page.
        * configure: Regenerate.
        * opts.c: Include "selftest.h".
        (get_option_html_page): New function.
        (get_option_url): Use it.  Reformat to place comments next to the
        expressions they refer to.
        (selftest::test_get_option_html_page): New.
        (selftest::opts_c_tests): New.
        * selftest-run-tests.c (selftest::run_tests): Call
        selftest::opts_c_tests.
        * selftest.h (selftest::opts_c_tests): New decl.

2020-04-27  Richard Sandiford  <richard.sandiford@arm.com>

        * config/arm/arm-builtins.c (arm_expand_builtin_args): Only apply
        UINTVAL to CONST_INTs.

2020-04-27  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/constraints.md (e): Remove constraint.
        (Te): Define constraint.
        * config/arm/mve.md (vaddvq_<supf><mode>): Modify constraint in
        operand 0 from "e" to "Te".
        (vaddvaq_<supf><mode>): Likewise.
        (vaddvq_p_<supf><mode>): Likewise.
        (vmladavq_<supf><mode>): Likewise.
        (vmladavxq_s<mode>): Likewise.
        (vmlsdavq_s<mode>): Likewise.
        (vmlsdavxq_s<mode>): Likewise.
        (vaddvaq_p_<supf><mode>): Likewise.
        (vmladavaq_<supf><mode>): Likewise.
        (vmladavq_p_<supf><mode>): Likewise.
        (vmladavxq_p_s<mode>): Likewise.
        (vmlsdavq_p_s<mode>): Likewise.
        (vmlsdavxq_p_s<mode>): Likewise.
        (vmlsdavaxq_s<mode>): Likewise.
        (vmlsdavaq_s<mode>): Likewise.
        (vmladavaxq_s<mode>): Likewise.
        (vmladavaq_p_<supf><mode>): Likewise.
        (vmladavaxq_p_s<mode>): Likewise.
        (vmlsdavaq_p_s<mode>): Likewise.
        (vmlsdavaxq_p_s<mode>): Likewise.

2020-04-27  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm.c (output_move_neon): Only get the first operand if
        addr is PLUS.

2020-04-27  Felix Yang  <felix.yang@huawei.com>

        PR tree-optimization/94784
        * tree-ssa-forwprop.c (simplify_vector_constructor): Flip the
        assert around so that it checks that the two vectors have equal
        TYPE_VECTOR_SUBPARTS and that converting the corresponding element
        types is a useless_type_conversion_p.

2020-04-27  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        PR target/94515
        * dwarf2cfi.c (struct GTY): Add ra_mangled.
        (cfi_row_equal_p): Check ra_mangled.
        (dwarf2out_frame_debug_cfa_window_save): Remove the argument,
        this only handles the sparc logic now.
        (dwarf2out_frame_debug_cfa_toggle_ra_mangle): New function for
        the aarch64 specific logic.
        (dwarf2out_frame_debug): Update to use the new subroutines.
        (change_cfi_row): Check ra_mangled.

2020-04-27  Jakub Jelinek  <jakub@redhat.com>

        PR target/94704
        * config/s390/s390.c (s390_function_arg_vector,
        s390_function_arg_float): Ignore cxx17_empty_base_field_p fields.

2020-04-27  Jiufu Guo   <guojiufu@cn.ibm.com>

        * common/config/rs6000/rs6000-common.c
        (rs6000_option_optimization_table) [OPT_LEVELS_ALL]: Remove turn off
        -fweb.
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Avoid to
        set flag_web.

2020-04-27  Martin Liska  <mliska@suse.cz>

        PR lto/94659
        * cgraph.h (cgraph_node::can_remove_if_no_direct_calls_and_refs_p):
        Do not remove ifunc_resolvers in remove unreachable nodes in LTO.

2020-04-27  Xiong Hu Luo  <luoxhu@linux.ibm.com>

        PR target/91518
        * config/rs6000/rs6000-logue.c (frame_pointer_needed_indeed):
        New variable.
        (rs6000_emit_prologue_components):
        Check with frame_pointer_needed_indeed.
        (rs6000_emit_epilogue_components): Likewise.
        (rs6000_emit_prologue): Likewise.
        (rs6000_emit_epilogue): Set frame_pointer_needed_indeed.

2020-04-25  David Edelsohn  <dje.gcc@gmail.com>

        * config/rs6000/rs6000-logue.c (rs6000_stack_info): Don't push a
        stack frame when debugging and flag_compare_debug is enabled.

2020-04-25  Michael Meissner  <meissner@linux.ibm.com>

        * config/rs6000/linux64.h (PCREL_SUPPORTED_BY_OS): Define to
        enable PC-relative addressing for -mcpu=future.
        * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Move
        after OTHER_FUTURE_MASKS.  Use OTHER_FUTURE_MASKS.
        * config/rs6000/rs6000.c (PCREL_SUPPORTED_BY_OS): If not defined,
        suppress PC-relative addressing.
        (rs6000_option_override_internal): Split up error messages
        checking for -mprefixed and -mpcrel.  Enable -mpcrel if the target
        system supports it.

2020-04-25  Jakub Jelinek  <jakub@redhat.com>
            Richard Biener  <rguenther@suse.de>

        PR tree-optimization/94734
        PR tree-optimization/89430
        * tree-ssa-phiopt.c: Include tree-eh.h.
        (cond_store_replacement): Return false if an automatic variable
        access could trap.  If -fstore-data-races, don't return false
        just because an automatic variable is addressable.

2020-04-24  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (add<mode>_zext_dup2_exec): Fix merge
        of high-part.
        (add<mode>_sext_dup2_exec): Likewise.

2020-04-24  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/94710
        * config/rs6000/vector.md (vec_shr_<mode> for VEC_L): Correct little
        endian byteshift_val calculation.

2020-04-24  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn.md (*mov<mode>_insn): Only split post-reload.

2020-04-24  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/arm_sve.h: Add a comment.

2020-04-24  Haijian Zhang <z.zhanghaijian@huawei.com>

        PR rtl-optimization/94708
        * combine.c (simplify_if_then_else): Add check for
        !HONOR_NANS (mode) && !HONOR_SIGNED_ZEROS (mode).

2020-04-23  Martin Sebor  <msebor@redhat.com>

        PR driver/90983
        * common.opt (-Wno-frame-larger-than): New option.
        (-Wno-larger-than, -Wno-stack-usage): Same.

2020-04-23  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (mov<mode>_exec): Swap the numbers on operands
        2 and 3.
        (mov<mode>_exec): Likewise.
        (trunc<vndi><mode>2_exec): Swap parameters to gen_mov<mode>_exec.
        (<convop><mode><vndi>2_exec): Likewise.

2019-04-23  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/94717
        * gimple-ssa-store-merging.c (try_coalesce_bswap): Return false if one
        of the stores doesn't have the same landing pad number as the first.
        (coalesce_immediate_stores): Do not try to coalesce the store using
        bswap if it doesn't have the same landing pad number as the first.

2020-04-23  Bill Schmidt  <wschmidt@linux.ibm.com>

        * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
        Replace outdated link to ELFv2 ABI.

2020-04-23  Jakub Jelinek  <jakub@redhat.com>

        PR target/94710
        * optabs.c (expand_vec_perm_const): For shift_amt const0_rtx
        just return v2.

        PR middle-end/94724
        * tree.c (get_narrower): Instead of creating COMPOUND_EXPRs
        temporarily with non-final second operand and updating it later,
        push COMPOUND_EXPRs into a vector and process it in reverse,
        creating COMPOUND_EXPRs with the final operands.

2020-04-23  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        PR target/94697
        * config/aarch64/aarch64-bti-insert.c (rest_of_insert_bti): Swap
        bti c and bti j handling.

2020-04-23  Andrew Stubbs  <ams@codesourcery.com>
            Thomas Schwinge  <thomas@codesourcery.com>

        PR middle-end/93488

        * omp-expand.c (expand_omp_target): Use force_gimple_operand_gsi on
        t_async and the wait arguments.

2020-04-23  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/94727
        * tree-vect-stmts.c (vectorizable_comparison): Use mask_type when
        comparing invariant scalar booleans.

2020-04-23  Matthew Malcomson  <matthew.malcomson@arm.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/94383
        * config/aarch64/aarch64.c (aapcs_vfp_sub_candidate): Account for C++17
        empty base class artificial fields.
        (aarch64_vfp_is_call_or_return_candidate): Warn when ABI PCS decision is
        different after this fix.

2020-04-23  Jakub Jelinek  <jakub@redhat.com>

        PR target/94707
        * config/rs6000/rs6000-call.c (rs6000_discover_homogeneous_aggregate):
        Use TYPE_UID (TYPE_MAIN_VARIANT (type)) instead of type to check
        if the same type has been diagnosed most recently already.

2020-04-23  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm_mve.h (__arm_vbicq_n_u16): Modify function parameter's
        datatype.
        (__arm_vbicq_n_s16): Likewise.
        (__arm_vbicq_n_u32): Likewise.
        (__arm_vbicq_n_s32): Likewise.
        (__arm_vbicq): Likewise.
        (__arm_vbicq_n_s16): Modify MVE polymorphic variant argument's datatype.
        (__arm_vbicq_n_s32): Likewise.
        (__arm_vbicq_n_u16): Likewise.
        (__arm_vbicq_n_u32): Likewise.
        (__arm_vdupq_m_n_s8): Likewise.
        (__arm_vdupq_m_n_s16): Likewise.
        (__arm_vdupq_m_n_s32): Likewise.
        (__arm_vdupq_m_n_u8): Likewise.
        (__arm_vdupq_m_n_u16): Likewise.
        (__arm_vdupq_m_n_u32): Likewise.
        (__arm_vdupq_m_n_f16): Likewise.
        (__arm_vdupq_m_n_f32): Likewise.
        (__arm_vldrhq_gather_offset_s16): Likewise.
        (__arm_vldrhq_gather_offset_s32): Likewise.
        (__arm_vldrhq_gather_offset_u16): Likewise.
        (__arm_vldrhq_gather_offset_u32): Likewise.
        (__arm_vldrhq_gather_offset_f16): Likewise.
        (__arm_vldrhq_gather_offset_z_s16): Likewise.
        (__arm_vldrhq_gather_offset_z_s32): Likewise.
        (__arm_vldrhq_gather_offset_z_u16): Likewise.
        (__arm_vldrhq_gather_offset_z_u32): Likewise.
        (__arm_vldrhq_gather_offset_z_f16): Likewise.
        (__arm_vldrhq_gather_shifted_offset_s16): Likewise.
        (__arm_vldrhq_gather_shifted_offset_s32): Likewise.
        (__arm_vldrhq_gather_shifted_offset_u16): Likewise.
        (__arm_vldrhq_gather_shifted_offset_u32): Likewise.
        (__arm_vldrhq_gather_shifted_offset_f16): Likewise.
        (__arm_vldrhq_gather_shifted_offset_z_s16): Likewise.
        (__arm_vldrhq_gather_shifted_offset_z_s32): Likewise.
        (__arm_vldrhq_gather_shifted_offset_z_u16): Likewise.
        (__arm_vldrhq_gather_shifted_offset_z_u32): Likewise.
        (__arm_vldrhq_gather_shifted_offset_z_f16): Likewise.
        (__arm_vldrwq_gather_offset_s32): Likewise.
        (__arm_vldrwq_gather_offset_u32): Likewise.
        (__arm_vldrwq_gather_offset_f32): Likewise.
        (__arm_vldrwq_gather_offset_z_s32): Likewise.
        (__arm_vldrwq_gather_offset_z_u32): Likewise.
        (__arm_vldrwq_gather_offset_z_f32): Likewise.
        (__arm_vldrwq_gather_shifted_offset_s32): Likewise.
        (__arm_vldrwq_gather_shifted_offset_u32): Likewise.
        (__arm_vldrwq_gather_shifted_offset_f32): Likewise.
        (__arm_vldrwq_gather_shifted_offset_z_s32): Likewise.
        (__arm_vldrwq_gather_shifted_offset_z_u32): Likewise.
        (__arm_vldrwq_gather_shifted_offset_z_f32): Likewise.
        (__arm_vdwdupq_x_n_u8): Likewise.
        (__arm_vdwdupq_x_n_u16): Likewise.
        (__arm_vdwdupq_x_n_u32): Likewise.
        (__arm_viwdupq_x_n_u8): Likewise.
        (__arm_viwdupq_x_n_u16): Likewise.
        (__arm_viwdupq_x_n_u32): Likewise.
        (__arm_vidupq_x_n_u8): Likewise.
        (__arm_vddupq_x_n_u8): Likewise.
        (__arm_vidupq_x_n_u16): Likewise.
        (__arm_vddupq_x_n_u16): Likewise.
        (__arm_vidupq_x_n_u32): Likewise.
        (__arm_vddupq_x_n_u32): Likewise.
        (__arm_vldrdq_gather_offset_s64): Likewise.
        (__arm_vldrdq_gather_offset_u64): Likewise.
        (__arm_vldrdq_gather_offset_z_s64): Likewise.
        (__arm_vldrdq_gather_offset_z_u64): Likewise.
        (__arm_vldrdq_gather_shifted_offset_s64): Likewise.
        (__arm_vldrdq_gather_shifted_offset_u64): Likewise.
        (__arm_vldrdq_gather_shifted_offset_z_s64): Likewise.
        (__arm_vldrdq_gather_shifted_offset_z_u64): Likewise.
        (__arm_vidupq_m_n_u8): Likewise.
        (__arm_vidupq_m_n_u16): Likewise.
        (__arm_vidupq_m_n_u32): Likewise.
        (__arm_vddupq_m_n_u8): Likewise.
        (__arm_vddupq_m_n_u16): Likewise.
        (__arm_vddupq_m_n_u32): Likewise.
        (__arm_vidupq_n_u16): Likewise.
        (__arm_vidupq_n_u32): Likewise.
        (__arm_vidupq_n_u8): Likewise.
        (__arm_vddupq_n_u16): Likewise.
        (__arm_vddupq_n_u32): Likewise.
        (__arm_vddupq_n_u8): Likewise.

2020-04-23  Iain Buclaw  <ibuclaw@gdcproject.org>

        * doc/install.texi (D-Specific Options): Document
        --enable-libphobos-checking and --with-libphobos-druntime-only.

2020-04-23  Jakub Jelinek  <jakub@redhat.com>

        PR target/94707
        * config/rs6000/rs6000-call.c (rs6000_aggregate_candidate): Add
        cxx17_empty_base_seen argument.  Pass it to recursive calls.
        Ignore cxx17_empty_base_field_p fields after setting
        *cxx17_empty_base_seen to true.
        (rs6000_discover_homogeneous_aggregate): Adjust
        rs6000_aggregate_candidate caller.  With -Wpsabi, diagnose homogeneous
        aggregates with C++17 empty base fields.

        PR c/94705
        * attribs.c (decl_attribute): Don't diagnose attribute exclusions
        if last_decl is error_mark_node or has such a TREE_TYPE.

        PR c/94705
        * attribs.c (decl_attribute): Don't diagnose attribute exclusions
        if last_decl is error_mark_node or has such a TREE_TYPE.

2020-04-22  Felix Yang  <felix.yang@huawei.com>

        PR target/94678
        * config/aarch64/aarch64.h (TARGET_SVE):
        Add && !TARGET_GENERAL_REGS_ONLY.
        (TARGET_SVE2): Add && TARGET_SVE.
        (TARGET_SVE2_AES, TARGET_SVE2_BITPERM, TARGET_SVE2_SHA3,
        TARGET_SVE2_SM4): Add && TARGET_SVE2.
        * config/aarch64/aarch64-sve-builtins.h
        (sve_switcher::m_old_general_regs_only): New member.
        * config/aarch64/aarch64-sve-builtins.cc (check_required_registers):
        New function.
        (reported_missing_registers_p): New variable.
        (check_required_extensions): Call check_required_registers before
        return if all required extenstions are present.
        (sve_switcher::sve_switcher): Save TARGET_GENERAL_REGS_ONLY in
        m_old_general_regs_only and clear MASK_GENERAL_REGS_ONLY in
        global_options.x_target_flags.
        (sve_switcher::~sve_switcher): Set MASK_GENERAL_REGS_ONLY in
        global_options.x_target_flags if m_old_general_regs_only is true.

2020-04-22  Zackery Spytz  <zspytz@gmail.com>

        * doc/extend.exi: Add "free" to list of other builtin functions
        supported by GCC.

2020-04-20  Aaron Sawdey  <acsawdey@linux.ibm.com>

        PR target/94622
        * config/rs6000/sync.md (load_quadpti): Add attr "prefixed"
        if TARGET_PREFIXED.
        (store_quadpti): Ditto.
        (atomic_load<mode>): Do not swap doublewords if TARGET_PREFIXED as
        plq will be used and doesn't need it.
        (atomic_store<mode>): Ditto, for pstq.

2020-04-22  Erick Ochoa  <erick.ochoa@theobroma-systems.com>

        * doc/invoke.texi: Update flags turned on by -O3.

2020-04-22  Jakub Jelinek  <jakub@redhat.com>

        PR target/94706
        * config/ia64/ia64.c (hfa_element_mode): Ignore
        cxx17_empty_base_field_p fields.

        PR target/94383
        * calls.h (cxx17_empty_base_field_p): Declare.
        * calls.c (cxx17_empty_base_field_p): Define.

2020-04-22  Christophe Lyon  <christophe.lyon@linaro.org>

        * doc/sourcebuild.texi (arm_softfp_ok, arm_hard_ok): Document.

2020-04-22  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
            Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>

        * config/arm/arm.c (arm_file_start): Handle isa_bit_quirk_no_asmcpu.
        * config/arm/arm-cpus.in (quirk_no_asmcpu): Define.
        (ALL_QUIRKS): Add quirk_no_asmcpu.
        (cortex-m55): Define new cpu.
        * config/arm/arm-tables.opt: Regenerate.
        * config/arm/arm-tune.md: Likewise.
        * doc/invoke.texi (Arm Options): Document -mcpu=cortex-m55.

2020-04-22  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/94700
        * tree-ssa-forwprop.c (simplify_vector_constructor): When processing
        an identity constructor, use a VIEW_CONVERT_EXPR to handle mixtures
        of similarly-structured but distinct vector types.

2020-04-21  Martin Sebor  <msebor@redhat.com>

        PR middle-end/94647
        * gimple-ssa-warn-restrict.c (builtin_access::builtin_access): Correct
        the computation of the lower bound of the source access size.
        (builtin_access::generic_overlap): Remove a hack for setting ranges
        of overlap offsets.

2020-04-21  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/som.h (ASM_WEAKEN_LABEL): Delete.
        (ASM_WEAKEN_DECL): New define.
        (HAVE_GAS_WEAKREF): Undefine.

2020-04-21  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/94683
        * tree-ssa-forwprop.c (simplify_vector_constructor): Use a
        VIEW_CONVERT_EXPR to handle mixtures of similarly-structured
        but distinct vector types.

2020-04-21  Jakub Jelinek  <jakub@redhat.com>

        PR c/94641
        * stor-layout.c (place_field, finalize_record_size): Don't emit
        -Wpadded warning on TYPE_ARTIFICIAL rli->t.
        * ubsan.c (ubsan_get_type_descriptor_type,
        ubsan_get_source_location_type, ubsan_create_data): Set
        TYPE_ARTIFICIAL.
        * asan.c (asan_global_struct): Likewise.

2020-04-21  Duan bo  <duanbo3@huawei.com>

        PR target/94577
        * config/aarch64/aarch64.c: Add an error message for option conflict.
        * doc/invoke.texi (-mcmodel=large): Mention that -mcmodel=large is
        incompatible with -fpic, -fPIC and -mabi=ilp32.

2020-04-21  Frederik Harwath  <frederik@codesourcery.com>

        PR other/94629
        * omp-low.c (new_omp_context): Remove assignments to
        ctx->outer_reduction_clauses and ctx->local_reduction_clauses.

2020-04-20  Andreas Krebbel  <krebbel@linux.ibm.com>

        * config/s390/vector.md ("popcountv8hi2_vx", "popcountv4si2_vx")
        ("popcountv2di2_vx"): Use simplify_gen_subreg.

2020-04-20  Andreas Krebbel  <krebbel@linux.ibm.com>

        PR target/94613
        * config/s390/s390-builtin-types.def: Add 3 new function modes.
        * config/s390/s390-builtins.def: Add mode dependent low-level
        builtin and map the overloaded builtins to these.
        * config/s390/vx-builtins.md ("vec_selV_HW"): Rename to ...
        ("vsel<V_HW"): ... this and rewrite the pattern with bitops.

2020-04-20  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-vect-loop.c (vect_better_loop_vinfo_p): If old_loop_vinfo
        has a variable VF, prefer new_loop_vinfo if it is cheaper for the
        estimated VF and is no worse at double the estimated VF.

2020-04-20  Richard Sandiford  <richard.sandiford@arm.com>

        PR target/94668
        * config/aarch64/aarch64.c (aarch64_sve_expand_vector_init): Fix
        order of arguments to rtx_vector_builder.
        (aarch64_sve_expand_vector_init_handle_trailing_constants): Likewise.
        When extending the trailing constants to a full vector, replace any
        variables with zeros.

2020-04-20  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/94582
        * tree-inline.c (optimize_inline_calls): Recompute calls_comdat_local
        flag.

2020-04-20  Martin Liska  <mliska@suse.cz>

        * symtab.c (symtab_node::dump_references): Add space after
        one entry.
        (symtab_node::dump_referring): Likewise.

2020-04-18  Jeff Law  <law@redhat.com>

        PR debug/94439
        * regrename.c (check_new_reg_p): Ignore DEBUG_INSNs when walking
        the chain.

2020-04-18  Iain Buclaw  <ibuclaw@gdcproject.org>

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

2020-04-17  Jeff Law  <law@redhat.com>

        PR rtl-optimization/90275
        * cse.c (cse_insn): Avoid recording nop sets in multi-set parallels
        when the destination has a REG_UNUSED note.

2020-04-17  Tobias Burnus  <tobias@codesourcery.com>

        PR middle-end/94635
        * gimplify.c (gimplify_scan_omp_clauses): Turn MAP_TO_PSET to
        MAP_DELETE.

2020-04-17  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.c (aarch64_advsimd_ldp_stp_p): New function.
        (aarch64_sve_adjust_stmt_cost): Add a vectype parameter.  Double the
        cost of load and store insns if one loop iteration has enough scalar
        elements to use an Advanced SIMD LDP or STP.
        (aarch64_add_stmt_cost): Update call accordingly.

2020-04-17  Jakub Jelinek  <jakub@redhat.com>
            Jeff Law  <law@redhat.com>

        PR target/94567
        * config/i386/i386.md (*testqi_ext_3): Use CCZmode rather than
        CCNOmode in ix86_match_ccmode if len is equal to <MODE>mode precision,
        or pos + len >= 32, or pos + len is equal to operands[2] precision
        and operands[2] is not a register operand.  During splitting perform
        SImode AND if operands[0] doesn't have CCZmode and pos + len is
        equal to mode precision.

2020-04-17  Richard Biener  <rguenther@suse.de>

        PR other/94629
        * cgraphclones.c (cgraph_node::create_clone): Remove duplicate
        initialization.
        * dwarf2out.c (dw_val_equal_p): Fix pasto in
        dw_val_class_vms_delta comparison.
        * optabs.c (expand_binop_directly): Fix pasto in commutation
        check.
        * tree-ssa-sccvn.c (vn_reference_lookup_pieces): Fix pasto in
        initialization.

2020-04-17  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/94618
        * cfgrtl.c (delete_insn_and_edges): Set purge not just when
        insn is the BB_END of its block, but also when it is only followed
        by DEBUG_INSNs in its block.

        PR tree-optimization/94621
        * tree-inline.c (remap_type_1): Don't dereference NULL TYPE_DOMAIN.
        Move id->adjust_array_error_bounds check first in the condition.

2020-04-17  Martin Liska  <mliska@suse.cz>
            Jonathan Yong <10walls@gmail.com>

        PR gcov-profile/94570
        * coverage.c (coverage_init): Use separator properly.

2020-04-16  Peter Bergner  <bergner@linux.ibm.com>

        PR rtl-optimization/93974
        * config/rs6000/rs6000.c (TARGET_CANNOT_SUBSTITUTE_MEM_EQUIV_P): Define.
        (rs6000_cannot_substitute_mem_equiv_p): New function.

2020-04-16  Martin Jambor  <mjambor@suse.cz>

        PR ipa/93621
        * ipa-inline.h (ipa_saved_clone_sources): Declare.
        * ipa-inline-transform.c (ipa_saved_clone_sources): New variable.
        (save_inline_function_body): Link the new body holder with the
        previous one.
        * cgraph.c: Include ipa-inline.h.
        (cgraph_edge::redirect_call_stmt_to_callee): Try to find the decl from
        the statement in ipa_saved_clone_sources.
        * cgraphunit.c: Include ipa-inline.h.
        (expand_all_functions): Free ipa_saved_clone_sources.

2020-04-16  Richard Sandiford  <richard.sandiford@arm.com>

        PR target/94606
        * config/aarch64/aarch64.c (aarch64_expand_sve_const_pred_eor): Take
        the VNx16BI lowpart of the recursively-generated constant.

2020-04-16  Martin Liska  <mliska@suse.cz>
            Jakub Jelinek  <jakub@redhat.com>

        PR c++/94314
        * cgraphclones.c (set_new_clone_decl_and_node_flags): Drop
        DECL_IS_REPLACEABLE_OPERATOR during cloning.
        * tree-ssa-dce.c (valid_new_delete_pair_p): New function.
        (propagate_necessity): Check operator names.

2020-04-16  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/94605
        * early-remat.c (early_remat::process_block): Handle insns that
        set multiple candidate registers.
2020-04-16  Jan Hubicka  <hubicka@ucw.cz>
        
        PR gcov-profile/93401
        * common.opt (profile-prefix-path): New option.
        * coverae.c: Include diagnostics.h.
        (coverage_init): Strip profile prefix path.
        * doc/invoke.texi (-fprofile-prefix-path): Document.

2020-04-16  Richard Biener  <rguenther@suse.de>

        PR middle-end/94614
        * expr.c (emit_move_multi_word): Do not generate code when
        the destination part is undefined_operand_subword_p.
        * lower-subreg.c (resolve_clobber): Look through a paradoxica
        subreg.

2020-04-16  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/94598
        * tree-sra.c (verify_sra_access_forest): Fix verification of total
        scalarization accesses under access to one-element arrays.

2020-04-16  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/89494
        * function.c (assign_parm_find_data_types): Add workaround for
        BROKEN_VALUE_INITIALIZATION compilers.

2020-04-16  Richard Biener  <rguenther@suse.de>

        * gdbhooks.py (TreePrinter): Print SSA_NAME_VERSION of SSA_NAME
        nodes.

2020-04-15  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/94603
        * config/i386/i386-builtin.def (__builtin_ia32_movq128):
        Require OPTION_MASK_ISA_SSE2.

2020-04-15  Gustavo Romero  <gromero@linux.ibm.com>

        PR bootstrap/89494
        * dumpfile.c (selftest::temp_dump_context::temp_dump_context):
        Don't construct a dump_context temporary to call static method.

2020-04-15  Andrea Corallo  <andrea.corallo@arm.com>

        * config/aarch64/falkor-tag-collision-avoidance.c
        (valid_src_p): Check for aarch64_address_info type before
        accessing base field.

2020-04-15  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/mve.md (mve_vec_duplicate<mode>): New pattern.
        (V_sz_elem2): Remove unused mode attribute.

2020-04-15  Matthew Malcomson  <matthew.malcomson@arm.com>

        * config/arm/arm.md (arm_movdi): Disallow for MVE.

2020-04-15  Richard Biener  <rguenther@suse.de>

        PR middle-end/94539
        * tree-ssa-alias.c (same_type_for_tbaa): Defer to
        alias_sets_conflict_p for pointers.

2020-04-14  Max Filippov  <jcmvbkbc@gmail.com>

        PR target/94584
        * config/xtensa/xtensa.md (zero_extendhisi2, zero_extendqisi2)
        (extendhisi2_internal): Add %v1 before the load instructions.

2020-04-14  Aaron Sawdey  <acsawdey@linux.ibm.com>

        PR target/94542
        * config/rs6000/rs6000.c (address_to_insn_form): Do not attempt to
        use PC-relative addressing for TLS references.

2020-04-14  Martin Jambor  <mjambor@suse.cz>

        PR ipa/94434
        * ipa-sra.c: Include internal-fn.h.
        (enum isra_scan_context): Update comment.
        (scan_function): Treat calls to internal_functions like loads or stores.

2020-04-14  Yang Yang <yangyang305@huawei.com>

        PR tree-optimization/94574
        * tree-ssa.c (non_rewritable_lvalue_p): Add size check when analyzing
        whether a vector-insert is rewritable using a BIT_INSERT_EXPR.

2020-04-14  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/94561
        * config/i386/i386.c (ix86_get_ssemov): Remove mode size check.

2020-04-13  Martin Sebor  <msebor@redhat.com>

        * doc/extend.texi (-Wall): Mention -Wformat-overflow and
        -Wformat-truncation.  Move -Wzero-length-bounds last.
        (-Wrestrict): Document positive form of option enabled by -Wall.

2020-04-13 Zachary Spytz  <zspytz@gmail.com>

        * doc/extend.texi: Add realloc to list of built-in functions
        are recognized by the compiler.

2020-04-13  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/94556
        * config/i386/i386.c (ix86_expand_epilogue): Restore the frame
        pointer in word_mode for eh_return epilogues.

2020-04-13  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430.c (msp430_print_operand): Don't add offsets to
        memory references in %B, %C and %D operand selectors when the inner
        operand is a post increment address.

2020-04-13  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430.c (msp430_print_operand): Offset a %C memory
        reference by 4 bytes, and %D memory reference by 6 bytes.

2020-04-11  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/94494
        * config/i386/sse.md (REDUC_SSE_SMINMAX_MODE): Use TARGET_SSE2
        condition for V4SI, V8HI and V16QI modes.

2020-04-11  Jakub Jelinek  <jakub@redhat.com>

        PR debug/94495
        PR target/94551
        * cselib.c (cselib_record_sp_cfa_base_equiv): Set PRESERVED_VALUE_P on
        val->val_rtx.

2020-04-10  Thomas Schwinge  <thomas@codesourcery.com>

        PR middle-end/89433
        PR middle-end/93465
        * omp-general.c (oacc_verify_routine_clauses): Diagnose if
        "#pragma omp declare target" has also been applied.

2020-04-09  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

        * config/msp430/msp430.c (msp430_expand_epilogue): Use emit_jump_insn
        when to emit the epilogue_helper insn.
        * config/msp430/msp430.md (epilogue_helper): Add a return insn to the
        RTL pattern.

2020-04-09  Jakub Jelinek  <jakub@redhat.com>

        PR debug/94495
        * cselib.h (cselib_record_sp_cfa_base_equiv,
        cselib_sp_derived_value_p): Declare.
        * cselib.c (cselib_record_sp_cfa_base_equiv,
        cselib_sp_derived_value_p): New functions.
        * var-tracking.c (add_stores): Don't record MO_VAL_SET for
        cselib_sp_derived_value_p values.
        (vt_initialize): Call cselib_record_sp_cfa_base_equiv at the
        start of extended basic blocks other than the first one
        for !frame_pointer_needed functions.

2020-04-09  Richard Sandiford  <richard.sandiford@arm.com>

        * doc/sourcebuild.texi (aarch64_sve_hw, aarch64_sve128_hw)
        (aarch64_sve256_hw, aarch64_sve512_hw, aarch64_sve1024_hw)
        (aarch64_sve2048_hw): Document.
        * config/aarch64/aarch64-protos.h
        (aarch64_sve::handle_arm_sve_vector_bits_attribute): Declare.
        * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Define
        __ARM_FEATURE_SVE_VECTOR_OPERATIONS when SVE is enabled.
        * config/aarch64/aarch64-sve-builtins.cc (matches_type_p): New
        function.
        (find_type_suffix_for_scalar_type): Use it instead of comparing
        TYPE_MAIN_VARIANTs.
        (function_resolver::infer_vector_or_tuple_type): Likewise.
        (function_resolver::require_vector_type): Likewise.
        (handle_arm_sve_vector_bits_attribute): New function.
        * config/aarch64/aarch64.c (pure_scalable_type_info): New class.
        (aarch64_attribute_table): Add arm_sve_vector_bits.
        (aarch64_return_in_memory_1):
        (pure_scalable_type_info::piece::get_rtx): New function.
        (pure_scalable_type_info::num_zr): Likewise.
        (pure_scalable_type_info::num_pr): Likewise.
        (pure_scalable_type_info::get_rtx): Likewise.
        (pure_scalable_type_info::analyze): Likewise.
        (pure_scalable_type_info::analyze_registers): Likewise.
        (pure_scalable_type_info::analyze_array): Likewise.
        (pure_scalable_type_info::analyze_record): Likewise.
        (pure_scalable_type_info::add_piece): Likewise.
        (aarch64_some_values_include_pst_objects_p): Likewise.
        (aarch64_returns_value_in_sve_regs_p): Use pure_scalable_type_info
        to analyze whether the type is returned in SVE registers.
        (aarch64_takes_arguments_in_sve_regs_p): Likwise whether the type
        is passed in SVE registers.
        (aarch64_pass_by_reference_1): New function, extracted from...
        (aarch64_pass_by_reference): ...here.  Use pure_scalable_type_info
        to analyze whether the type is a pure scalable type and, if so,
        whether it should be passed by reference.
        (aarch64_return_in_msb): Return false for pure scalable types.
        (aarch64_function_value_1): Fold back into...
        (aarch64_function_value): ...this function.  Use
        pure_scalable_type_info to analyze whether the type is a pure
        scalable type and, if so, which registers it should use.  Handle
        types that include pure scalable types but are not themselves
        pure scalable types.
        (aarch64_return_in_memory_1): New function, split out from...
        (aarch64_return_in_memory): ...here.  Use pure_scalable_type_info
        to analyze whether the type is a pure scalable type and, if so,
        whether it should be returned by reference.
        (aarch64_layout_arg): Remove orig_mode argument.  Use
        pure_scalable_type_info to analyze whether the type is a pure
        scalable type and, if so, which registers it should use.  Handle
        types that include pure scalable types but are not themselves
        pure scalable types.
        (aarch64_function_arg): Update call accordingly.
        (aarch64_function_arg_advance): Likewise.
        (aarch64_pad_reg_upward): On big-endian targets, return false for
        pure scalable types that are smaller than 16 bytes.
        (aarch64_member_type_forces_blk): New function.
        (aapcs_vfp_sub_candidate): Exit early for built-in SVE types.
        (aarch64_short_vector_p): Return false for VECTOR_TYPEs that
        correspond to built-in SVE types.  Do not rely on a vector mode
        if the type includes an pure scalable type.  When returning true,
        assert that the mode is not an SVE mode.
        (aarch64_vfp_is_call_or_return_candidate): Do not check for SVE
        built-in types here.  When returning true, assert that the type
        does not have an SVE mode.
        (aarch64_can_change_mode_class): Don't allow anything to change
        between a predicate mode and a non-predicate mode.  Also don't
        allow changes between SVE vector modes and other modes that
        might be bigger than 128 bits.
        (aarch64_invalid_binary_op): Reject binary operations that mix
        SVE and GNU vector types.
        (TARGET_MEMBER_TYPE_FORCES_BLK): Define.

2020-04-09  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.c (aarch64_attribute_table): Add
        "SVE sizeless type".
        * config/aarch64/aarch64-sve-builtins.cc (make_type_sizeless)
        (sizeless_type_p): New functions.
        (register_builtin_types): Apply make_type_sizeless to the type.
        (register_tuple_type): Likewise.
        (verify_type_context): Use sizeless_type_p instead of builin_type_p.

2020-04-09  Matthew Malcomson  <matthew.malcomson@arm.com>

        * config/arm/arm_cde.h: Remove `extern "C"` when compiling for
        C++.

2020-04-09  Martin Jambor  <mjambor@suse.cz>
            Richard Biener  <rguenther@suse.de>

        PR tree-optimization/94482
        * tree-sra.c (create_access_replacement): Dump new replacement with
        TDF_UID.
        (sra_modify_expr): Fix handling of cases when the original EXPR writes
        to only part of the replacement.
        * tree-ssa-forwprop.c (pass_forwprop::execute): Properly verify
        the first operand of combinations into REAL/IMAGPART_EXPR and
        BIT_FIELD_REF.

2020-04-09  Richard Sandiford  <richard.sandiford@arm.com>

        * doc/sourcebuild.texi (check-function-bodies): Treat the third
        parameter as a list of option regexps and require each regexp
        to match.

2020-04-09  Andrea Corallo  <andrea.corallo@arm.com>

        PR target/94530
        * config/aarch64/falkor-tag-collision-avoidance.c
        (valid_src_p): Fix missing rtx type check.

2020-04-09  Bin Cheng  <bin.cheng@linux.alibaba.com>
            Richard Biener  <rguenther@suse.de>

        PR tree-optimization/93674
        * tree-ssa-loop-ivopts.c (langhooks.h): New include.
        (add_iv_candidate_for_use): For iv_use of non integer or pointer type,
        or non-mode precision type, add candidate in unsigned type with the
        same precision.

2020-04-08  Clement Chigot  <clement.chigot@atos.net>

        * config/rs6000/aix61.h (LIB_SPEC): Add -lc128 with -mlong-double-128.
        * config/rs6000/aix71.h (LIB_SPEC): Likewise.
        * config/rs6000/aix72.h (LIB_SPEC): Likewise.

2020-04-08  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/94526
        * cselib.c (autoinc_split): Handle e->val_rtx being SP_DERIVED_VALUE_P
        with zero offset.
        * reload1.c (eliminate_regs_1): Avoid creating
        (plus (reg) (const_int 0)) in DEBUG_INSNs.

        PR tree-optimization/94524
        * tree-vect-generic.c (expand_vector_divmod): If any elt of op1 is
        negative for signed TRUNC_MOD_EXPR, multiply with absolute value of
        op1 rather than op1 itself at the end.  Punt for signed modulo by
        most negative constant.
        * tree-vect-patterns.c (vect_recog_divmod_pattern): Punt for signed
        modulo by most negative constant.

2020-04-08  Richard Biener  <rguenther@suse.de>

        PR rtl-optimization/93946
        * cse.c (cse_insn): Record the tabled expression in
        src_related.  Verify a redundant store removal is valid.

2020-04-08  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/94417
        * config/i386/i386-features.c (rest_of_insert_endbranch): Insert
        ENDBR at function entry if function will be called indirectly.

2020-04-08  Jakub Jelinek  <jakub@redhat.com>

        PR target/94438
        * config/i386/i386.c (ix86_get_mask_mode): Only use int mask for elem_size
        1, 2, 4 and 8.

2020-04-08  Martin Liska  <mliska@suse.cz>

        PR c++/94314
        * gimple.c (gimple_call_operator_delete_p): Rename to...
        (gimple_call_replaceable_operator_delete_p): ... this.
        Use DECL_IS_REPLACEABLE_OPERATOR_DELETE_P.
        * gimple.h (gimple_call_operator_delete_p): Rename to ...
        (gimple_call_replaceable_operator_delete_p): ... this.
        * tree-core.h (tree_function_decl): Add replaceable_operator
        flag.
        * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1):
        Use DECL_IS_REPLACEABLE_OPERATOR_DELETE_P.
        (propagate_necessity): Use gimple_call_replaceable_operator_delete_p.
        (eliminate_unnecessary_stmts): Likewise.
        * tree-streamer-in.c (unpack_ts_function_decl_value_fields):
        Pack DECL_IS_REPLACEABLE_OPERATOR.
        * tree-streamer-out.c (pack_ts_function_decl_value_fields):
        Unpack the field here.
        * tree.h (DECL_IS_REPLACEABLE_OPERATOR): New.
        (DECL_IS_REPLACEABLE_OPERATOR_NEW_P): New.
        (DECL_IS_REPLACEABLE_OPERATOR_DELETE_P): New.
        * cgraph.c (cgraph_node::dump): Dump if an operator is replaceable.
        * ipa-icf.c (sem_item::compare_referenced_symbol_properties): Compare
        replaceable operator flags.

2020-04-08  Dennis Zhang  <dennis.zhang@arm.com>
            Matthew Malcomson  <matthew.malcomson@arm.com>

        * config/arm/arm-builtins.c (CX_IMM_QUALIFIERS): New macro.
        (CX_UNARY_QUALIFIERS, CX_BINARY_QUALIFIERS): Likewise.
        (CX_TERNARY_QUALIFIERS): Likewise.
        (ARM_BUILTIN_CDE_PATTERN_START): Likewise.
        (ARM_BUILTIN_CDE_PATTERN_END): Likewise.
        (arm_init_acle_builtins): Initialize CDE builtins.
        (arm_expand_acle_builtin): Check CDE constant operands.
        * config/arm/arm.h (ARM_CDE_CONST_COPROC): New macro to set the range
        of CDE constant operand.
        * config/arm/arm.c (arm_hard_regno_mode_ok): Support DImode for
        TARGET_VFP_BASE.
        (ARM_VCDE_CONST_1, ARM_VCDE_CONST_2, ARM_VCDE_CONST_3): Likewise.
        * config/arm/arm_cde.h (__arm_vcx1_u32): New macro of ACLE interface.
        (__arm_vcx1a_u32, __arm_vcx2_u32, __arm_vcx2a_u32): Likewise.
        (__arm_vcx3_u32, __arm_vcx3a_u32, __arm_vcx1d_u64): Likewise.
        (__arm_vcx1da_u64, __arm_vcx2d_u64, __arm_vcx2da_u64): Likewise.
        (__arm_vcx3d_u64, __arm_vcx3da_u64): Likewise.
        * config/arm/arm_cde_builtins.def: New file.
        * config/arm/iterators.md (V_reg): New attribute of SI.
        * config/arm/predicates.md (const_int_coproc_operand): New.
        (const_int_vcde1_operand, const_int_vcde2_operand): New.
        (const_int_vcde3_operand): New.
        * config/arm/unspecs.md (UNSPEC_VCDE, UNSPEC_VCDEA): New.
        * config/arm/vfp.md (arm_vcx1<mode>): New entry.
        (arm_vcx1a<mode>, arm_vcx2<mode>, arm_vcx2a<mode>): Likewise.
        (arm_vcx3<mode>, arm_vcx3a<mode>): Likewise.

2020-04-08  Dennis Zhang  <dennis.zhang@arm.com>

        * config.gcc: Add arm_cde.h.
        * config/arm/arm-c.c (arm_cpu_builtins): Define or undefine
        __ARM_FEATURE_CDE and __ARM_FEATURE_CDE_COPROC.
        * config/arm/arm-cpus.in (cdecp0, cdecp1, ..., cdecp7): New options.
        * config/arm/arm.c (arm_option_reconfigure_globals): Configure
        arm_arch_cde and arm_arch_cde_coproc to store the feature bits.
        * config/arm/arm.h (TARGET_CDE): New macro.
        * config/arm/arm_cde.h: New file.
        * doc/invoke.texi: Document CDE options +cdecp[0-7].
        * doc/sourcebuild.texi (arm_v8m_main_cde_ok): Document new target
        supports option.
        (arm_v8m_main_cde_fp, arm_v8_1m_main_cde_mve): Likewise.

2020-04-08  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/94516
        * postreload.c: Include rtl-iter.h.
        (reload_cse_move2add): Handle SP autoinc here by FOR_EACH_SUBRTX_VAR
        looking for all MEMs with RTX_AUTOINC operand.
        (move2add_note_store): Remove {PRE,POST}_{INC,DEC} handling.

2020-04-08  Tobias Burnus  <tobias@codesourcery.com>

        * omp-grid.c (grid_eliminate_combined_simd_part): Use
        OMP_CLAUSE_CODE to access the omp clause code.

2020-04-07  Jeff Law  <law@redhat.com>

        PR rtl-optimization/92264
        * config/h8300/h8300.md (mov;add peephole2): Avoid applying when
        the destination is the stack pointer.

2020-04-07  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/94291
        PR rtl-optimization/84169
        * combine.c (try_combine): For split_i2i3, don't assume SET_DEST
        must be a REG or SUBREG of REG; if it is not one of these, don't
        update LOG_LINKs.

2020-04-07  Richard Biener  <rguenther@suse.de>

        PR middle-end/94479
        * gimplify.c (gimplify_addr_expr): Also consider generated
        MEM_REFs.

2020-04-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm_mve.h: Add C++ polymorphism and fix preserve MACROs.

2020-04-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm_mve.h: Cast some pointers to expected types.

2020-04-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm_mve.h: Replace all uses of vuninitializedq_* with the
        same with '__arm_' prefix.

2020-04-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/mve.md (mve_vec_extract*): Allow memory operands in set.

2020-04-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm.c (arm_mve_immediate_check): Removed.
        * config/arm/mve.md (MVE_pred2, MVE_constraint2): Added FP types.
        (mve_vcvtq_n_to_f_*, mve_vcvtq_n_from_f_*, mve_vqshrnbq_n_*,
         mve_vqshrntq_n_*, mve_vqshrunbq_n_s*, mve_vqshruntq_n_s*,
         mve_vcvtq_m_n_from_f_*, mve_vcvtq_m_n_to_f_*, mve_vqshrnbq_m_n_*,
         mve_vqrshruntq_m_n_s*, mve_vqshrunbq_m_n_s*,
         mve_vqshruntq_m_n_s*): Fixed immediate constraints.

2020-04-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm.d (ashldi3): Don't use lsll for constant 32-bit shifts.

2020-04-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm_mve.h: Fix v[id]wdup intrinsics.
        * config/arm/mve/md: Fix v[id]wdup patterns.

2020-04-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm.c (output_move_neon): Deal with label + offset cases.
        * config/arm/mve.md (*mve_mov<mode>): Handle const vectors.

2020-04-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm_mve.h: Remove use of typeof for addr pointer parameters
        and remove const_ptr enums.

2020-04-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm_mve.h (vsubq_n): Merge with...
        (vsubq): ... this.
        (vmulq_n): Merge with...
        (vmulq): ... this.
        (__ARM_mve_typeid): Simplify scalar and constant detection.

2020-04-07  Jakub Jelinek  <jakub@redhat.com>

        PR target/94509
        * config/i386/i386-expand.c (expand_vec_perm_pshufb): Fix the check
        for inter-lane permutation for 64-byte modes.

        PR target/94488
        * config/aarch64/aarch64-simd.md (ashl<mode>3, lshr<mode>3,
        ashr<mode>3): Force operands[2] into reg whenever it is not CONST_INT.
        Assume it is a REG after that instead of testing it and doing FAIL
        otherwise.  Formatting fix.

2020-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * config/rs6000/t-rtems: Delete mcpu=8540 multilib.

2020-04-07  Jakub Jelinek  <jakub@redhat.com>

        PR target/94500
        * config/i386/i386-expand.c (emit_reduc_half): For V{64QI,32HI}mode
        handle i < 64 using avx512bw_lshrv4ti3.  Formatting fixes.

2020-04-06  Jakub Jelinek  <jakub@redhat.com>

        * cselib.c (cselib_subst_to_values): For SP_DERIVED_VALUE_P
        + const0_rtx return the SP_DERIVED_VALUE_P.

2020-04-06  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/92989
        * lra-lives.c (process_bb_lives): Do not treat eh_return data
        registers as being live at the beginning of the EH receiver.

2020-04-05 Zachary Spytz  <zspytz@gmail.com>

        * extend.texi: Add free to list of ISO C90 functions that
        are recognized by the compiler.

2020-04-05 Nagaraju Mekala <nmekala@xilix.com>

        * config/microblaze/microblaze.c (microblaze_must_save_register): Check
        for fast_interrupt.
 
        * config/microblaze/microblaze.md (trap): Update output pattern.

2020-04-04  Hannes Domani  <ssbssa@yahoo.de>
            Jakub Jelinek  <jakub@redhat.com>

        PR debug/94459
        * dwarf2out.c (gen_subprogram_die): Look through references, pointers,
        arrays, pointer-to-members, function types and qualifiers when
        checking if in-class DIE had an 'auto' or 'decltype(auto)' return type
        to emit type again on definition.

2020-04-04  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/93940
        * ipa-fnsummary.c (vrp_will_run_p): New function.
        (fre_will_run_p): New function.
        (evaluate_properties_for_edge): Use it.
        * ipa-inline.c (can_inline_edge_by_limits_p): Do not inline
        !optimize_debug to optimize_debug.

2020-04-04  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/94468
        * cselib.c (references_value_p): Formatting fix.
        (cselib_useless_value_p): New function.
        (discard_useless_locs, discard_useless_values,
        cselib_invalidate_regno_val, cselib_invalidate_mem,
        cselib_record_set): Use it instead of
        v->locs == 0 && !PRESERVED_VALUE_P (v->val_rtx).

        PR debug/94441
        * tree-iterator.h (expr_single): Declare.
        * tree-iterator.c (expr_single): New function.
        * tree.h (protected_set_expr_location_if_unset): Declare.
        * tree.c (protected_set_expr_location): Use expr_single.
        (protected_set_expr_location_if_unset): New function.

2020-04-03  Jeff Law  <law@redhat.com>

        PR rtl-optimization/92264
        * config/stormy16/stormy16.c (xstormy16_preferred_reload_class): Handle
        reloading of auto-increment addressing modes.

2020-04-03  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/94467
        * config/i386/sse.md (ssse3_pshufbv8qi3): Mark scratch operand
        as earlyclobber.

2020-04-03  Jeff Law  <law@redhat.com>

        PR rtl-optimization/92264
        * config/m32r/m32r.c (m32r_output_block_move): Properly account for
        post-increment addressing of source operands as well as residuals
        when computing any adjustments to the input pointer.

2020-04-03  Jakub Jelinek  <jakub@redhat.com>

        PR target/94460
        * config/i386/sse.md (avx2_ph<plusminus_mnemonic>wv16hi3,
        avx2_ph<plusminus_mnemonic>dv8si3): Fix up RTL pattern to do
        second half of first lane from first lane of second operand and
        first half of second lane from second lane of first operand.

2020-04-03  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm_mve.h: Condition the header file on __ARM_FEATURE_MVE.

2020-04-03  Tamar Christina  <tamar.christina@arm.com>

        PR target/94396
        * common/config/aarch64/aarch64-common.c
        (aarch64_get_extension_string_for_isa_flags): Handle default flags.

2020-04-03  Richard Biener  <rguenther@suse.de>

        PR middle-end/94465
        * tree.c (array_ref_low_bound): Deal with released SSA names
        in index position.

2020-04-03  Kwok Cheung Yeung  <kcy@codesourcery.com>

        * config/gcn/gcn.c (print_operand): Handle unordered comparison
        operators.
        * config/gcn/predicates.md (gcn_fp_compare_operator): Add unordered
        comparison operators.

2020-04-03  Kewen Lin  <linkw@gcc.gnu.org>

        PR tree-optimization/94443
        * tree-vect-loop.c (vectorizable_live_operation): Use
        gsi_insert_seq_before to replace gsi_insert_before.

2020-04-03  Martin Liska  <mliska@suse.cz>

        PR ipa/94445
        * ipa-icf-gimple.c (func_checker::compare_gimple_call):
          Compare type attributes for gimple_call_fntypes.

2020-04-02  Sandra Loosemore  <sandra@codesourcery.com>

        * alias.c (get_alias_set): Fix comment typos.

2020-04-02  Fritz Reese  <foreese@gcc.gnu.org>

        PR fortran/85982
        * fortran/decl.c (match_attr_spec): Lump COMP_STRUCTURE/COMP_MAP into
        attribute checking used by TYPE.

2020-04-02  Martin Jambor  <mjambor@suse.cz>

        PR ipa/92676
        * ipa-sra.c (struct caller_issues): New fields candidate and
        call_from_outside_comdat.
        (check_for_caller_issues): Check for calls from outsied of
        candidate's same_comdat_group.
        (check_all_callers_for_issues): Set up issues.candidate, check result
        of the new check.
        (mark_callers_calls_comdat_local): New function.
        (process_isra_node_results): Set calls_comdat_local of callers if
        appropriate.

2020-04-02  Richard Biener  <rguenther@suse.de>

        PR c/94392
        * common.opt (ffinite-loops): Initialize to zero.
        * opts.c (default_options_table): Remove OPT_ffinite_loops
        entry.
        * cfgloop.h (loop::finite_p): New member.
        * cfgloopmanip.c (copy_loop_info): Copy finite_p.
        * ipa-icf-gimple.c (func_checker::compare_loops): Compare
        finite_p.
        * lto-streamer-in.c (input_cfg): Stream finite_p.
        * lto-streamer-out.c (output_cfg): Likewise.
        * tree-cfg.c (replace_loop_annotate): Initialize finite_p
        from flag_finite_loops at CFG build time.
        * tree-ssa-loop-niter.c (finite_loop_p): Check the loops
        finite_p flag instead of flag_finite_loops.
        * doc/invoke.texi (ffinite-loops): Adjust documentation of
        default setting.

2020-04-02  Richard Biener  <rguenther@suse.de>

        PR debug/94450
        * dwarf2out.c (dwarf2out_early_finish): Remove code emitting
        DW_TAG_imported_unit.

2020-04-02  Maciej W. Rozycki  <macro@wdc.com>

        * doc/install.texi (Specific) <riscv32-*-elf, riscv32-*-linux>
        <riscv64-*-elf, riscv64-*-linux>: Update binutils requirement to
        2.30.

2020-04-02  Kewen Lin  <linkw@gcc.gnu.org>

        PR tree-optimization/94401
        * tree-vect-loop.c (vectorizable_load): Handle VMAT_CONTIGUOUS_REVERSE
        access type when loading halves of vector to avoid peeling for gaps.

2020-04-02  Jakub Jelinek  <jakub@redhat.com>

        * config/mips/mti-linux.h (SYSROOT_SUFFIX_SPEC): Add a space in
        between a string literal and MIPS_SYSVERSION_SPEC macro.

2020-04-02  Martin Jambor  <mjambor@suse.cz>

        * doc/invoke.texi (Optimize Options): Document sra-max-propagations.

2020-04-02  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/92264
        * params.opt (-param=max-find-base-term-values=): Decrease default
        from 2000 to 200.

        PR rtl-optimization/92264
        * rtl.h (struct rtx_def): Mention that call bit is used as
        SP_DERIVED_VALUE_P in cselib.c.
        * cselib.c (SP_DERIVED_VALUE_P): Define.
        (PRESERVED_VALUE_P, SP_BASED_VALUE_P): Move definitions earlier.
        (cselib_hasher::equal): Handle equality between SP_DERIVED_VALUE_P
        val_rtx and sp based expression where offsets cancel each other.
        (preserve_constants_and_equivs): Formatting fix.
        (cselib_reset_table): Add reverse op loc to SP_DERIVED_VALUE_P
        locs list for cfa_base_preserved_val if needed.  Formatting fix.
        (autoinc_split): If the to be returned value is a REG, MEM or
        VALUE which has SP_DERIVED_VALUE_P + CONST_INT as one of its
        locs, return the SP_DERIVED_VALUE_P VALUE and adjust *off.
        (rtx_equal_for_cselib_1): Call autoinc_split even if both
        expressions are PLUS in Pmode with CONST_INT second operands.
        Handle SP_DERIVED_VALUE_P cases.
        (cselib_hash_plus_const_int): New function.
        (cselib_hash_rtx): Use it for PLUS in Pmode with CONST_INT
        second operand, as well as for PRE_DEC etc. that ought to be
        hashed the same way.
        (cselib_subst_to_values): Substitute PLUS with Pmode and
        CONST_INT operand if the first operand is a VALUE which has
        SP_DERIVED_VALUE_P + CONST_INT as one of its locs for the
        SP_DERIVED_VALUE_P + adjusted offset.
        (cselib_lookup_1): When creating a new VALUE for stack_pointer_rtx,
        set SP_DERIVED_VALUE_P on it.  Set PRESERVED_VALUE_P when adding
        SP_DERIVED_VALUE_P PRESERVED_VALUE_P subseted VALUE location.
        * var-tracking.c (vt_initialize): Call cselib_add_permanent_equiv
        on the sp value before calling cselib_add_permanent_equiv on the
        cfa_base value.
        * dse.c (check_for_inc_dec_1, check_for_inc_dec): Punt on RTX_AUTOINC
        in the insn without REG_INC note.
        (replace_read): Punt on RTX_AUTOINC in the *loc being replaced.
        Punt on invalid insns added by copy_to_mode_reg.  Formatting fixes.

        PR target/94435
        * config/aarch64/aarch64.c (aarch64_gen_compare_reg_maybe_ze): For
        y_mode E_[QH]Imode and y being a CONST_INT, change y_mode to SImode.

2020-04-02  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        PR target/94317
        * config/arm/arm-builtins.c (LDRGBWBXU_QUALIFIERS): Define.
        (LDRGBWBXU_Z_QUALIFIERS): Likewise.
        * config/arm/arm_mve.h (__arm_vldrdq_gather_base_wb_s64): Modify
        intrinsic defintion by adding a new builtin call to writeback into base
        address.
        (__arm_vldrdq_gather_base_wb_u64): Likewise.
        (__arm_vldrdq_gather_base_wb_z_s64): Likewise.
        (__arm_vldrdq_gather_base_wb_z_u64): Likewise.
        (__arm_vldrwq_gather_base_wb_s32): Likewise.
        (__arm_vldrwq_gather_base_wb_u32): Likewise.
        (__arm_vldrwq_gather_base_wb_z_s32): Likewise.
        (__arm_vldrwq_gather_base_wb_z_u32): Likewise.
        (__arm_vldrwq_gather_base_wb_f32): Likewise.
        (__arm_vldrwq_gather_base_wb_z_f32): Likewise.
        * config/arm/arm_mve_builtins.def (vldrwq_gather_base_wb_z_u): Modify
        builtin's qualifier.
        (vldrdq_gather_base_wb_z_u): Likewise.
        (vldrwq_gather_base_wb_u): Likewise.
        (vldrdq_gather_base_wb_u): Likewise.
        (vldrwq_gather_base_wb_z_s): Likewise.
        (vldrwq_gather_base_wb_z_f): Likewise.
        (vldrdq_gather_base_wb_z_s): Likewise.
        (vldrwq_gather_base_wb_s): Likewise.
        (vldrwq_gather_base_wb_f): Likewise.
        (vldrdq_gather_base_wb_s): Likewise.
        (vldrwq_gather_base_nowb_z_u): Define builtin.
        (vldrdq_gather_base_nowb_z_u): Likewise.
        (vldrwq_gather_base_nowb_u): Likewise.
        (vldrdq_gather_base_nowb_u): Likewise.
        (vldrwq_gather_base_nowb_z_s): Likewise.
        (vldrwq_gather_base_nowb_z_f): Likewise.
        (vldrdq_gather_base_nowb_z_s): Likewise.
        (vldrwq_gather_base_nowb_s): Likewise.
        (vldrwq_gather_base_nowb_f): Likewise.
        (vldrdq_gather_base_nowb_s): Likewise.
        * config/arm/mve.md (mve_vldrwq_gather_base_nowb_<supf>v4si): Define RTL
        pattern.
        (mve_vldrwq_gather_base_wb_<supf>v4si): Modify RTL pattern.
        (mve_vldrwq_gather_base_nowb_z_<supf>v4si): Define RTL pattern.
        (mve_vldrwq_gather_base_wb_z_<supf>v4si): Modify RTL pattern.
        (mve_vldrwq_gather_base_wb_fv4sf): Modify RTL pattern.
        (mve_vldrwq_gather_base_nowb_fv4sf): Define RTL pattern.
        (mve_vldrwq_gather_base_wb_z_fv4sf): Modify RTL pattern.
        (mve_vldrwq_gather_base_nowb_z_fv4sf): Define RTL pattern.
        (mve_vldrdq_gather_base_nowb_<supf>v4di): Define RTL pattern.
        (mve_vldrdq_gather_base_wb_<supf>v4di):  Modify RTL pattern.
        (mve_vldrdq_gather_base_nowb_z_<supf>v4di): Define RTL pattern.
        (mve_vldrdq_gather_base_wb_z_<supf>v4di):  Modify RTL pattern.

2020-04-02  Andreas Krebbel  <krebbel@linux.ibm.com>

        * config/s390/vector.md ("<ti*>add<mode>3", "mul<mode>3")
        ("and<mode>3", "notand<mode>3", "ior<mode>3", "ior_not<mode>3")
        ("xor<mode>3", "notxor<mode>3", "smin<mode>3", "smax<mode>3")
        ("umin<mode>3", "umax<mode>3", "vec_widen_smult_even_<mode>")
        ("vec_widen_umult_even_<mode>", "vec_widen_smult_odd_<mode>")
        ("vec_widen_umult_odd_<mode>", "add<mode>3", "sub<mode>3")
        ("mul<mode>3", "fma<mode>4", "fms<mode>4", "neg_fma<mode>4")
        ("neg_fms<mode>4", "*smax<mode>3_vxe", "*smaxv2df3_vx")
        ("*smin<mode>3_vxe", "*sminv2df3_vx"): Remove % constraint
        modifier.
        ("vec_widen_umult_lo_<mode>", "vec_widen_umult_hi_<mode>")
        ("vec_widen_smult_lo_<mode>", "vec_widen_smult_hi_<mode>"):
        Remove constraints from expander.
        * config/s390/vx-builtins.md ("vacc<bhfgq>_<mode>", "vacq")
        ("vacccq", "vec_avg<mode>", "vec_avgu<mode>", "vec_vmal<mode>")
        ("vec_vmah<mode>", "vec_vmalh<mode>", "vec_vmae<mode>")
        ("vec_vmale<mode>", "vec_vmao<mode>", "vec_vmalo<mode>")
        ("vec_smulh<mode>", "vec_umulh<mode>", "vec_nor<mode>3")
        ("vfmin<mode>", "vfmax<mode>"): Remove % constraint modifier.

2020-04-01  Peter Bergner  <bergner@linux.ibm.com>

        PR rtl-optimization/94123
        * lower-subreg.c (pass_lower_subreg3::gate): Remove test for
        flag_split_wide_types_early.

2020-04-01  Joerg Sonnenberger  <joerg@bec.de>

        * doc/extend.texi (Common Function Attributes): Fix typo.

2020-04-01  Segher Boessenkool  <segher@kernel.crashing.org>

        PR target/94420
        * config/rs6000/rs6000.md (*tocref<mode> for P): Add insn condition
        on operands[1].

2020-04-01  Zackery Spytz  <zspytz@gmail.com>

        * doc/extend.texi: Fix a typo in the documentation of the
        copy function attribute.

2020-04-01  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/94423
        * tree-object-size.c (pass_object_sizes::execute): Don't call
        replace_uses_by for SSA_NAME_OCCURS_IN_ABNORMAL_PHI lhs, instead
        call replace_call_with_value.

2020-04-01  Kewen Lin  <linkw@gcc.gnu.org>

        PR tree-optimization/94043
        * tree-vect-loop.c (vectorizable_live_operation): Generate loop-closed
        phi for vec_lhs and use it for lane extraction.

2020-03-31  Felix Yang  <felix.yang@huawei.com>

        PR tree-optimization/94398
        * tree-vect-stmts.c (vectorizable_store): Instead of calling
        vect_supportable_dr_alignment, set alignment_support_scheme to
        dr_unaligned_supported for gather-scatter accesses.
        (vectorizable_load): Likewise.

2020-03-31  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (V_QI, V_HI, V_HF, V_SI, V_SF, V_DI, V_DF):
        New mode iterators.
        (vnsi, VnSI, vndi, VnDI): New mode attributes.
        (mov<mode>): Use <VnDI> in place of V64DI.
        (mov<mode>_exec): Likewise.
        (mov<mode>_sgprbase): Likewise.
        (reload_out<mode>): Likewise.
        (*vec_set<mode>_1): Use GET_MODE_NUNITS instead of constant 64.
        (gather_load<mode>v64si): Rename to ...
        (gather_load<mode><vnsi>): ... this, and use <VnSI> in place of V64SI,
        and <VnDI> in place of V64DI.
        (gather<mode>_insn_1offset<exec>): Use <VnDI> in place of V64DI.
        (gather<mode>_insn_1offset_ds<exec>): Use <VnSI> in place of V64SI.
        (gather<mode>_insn_2offsets<exec>): Use <VnSI> and <VnDI>.
        (scatter_store<mode>v64si): Rename to ...
        (scatter_store<mode><vnsi>): ... this, and use <VnSI> and <VnDI>.
        (scatter<mode>_expr<exec_scatter>): Use <VnSI> and <VnDI>.
        (scatter<mode>_insn_1offset<exec_scatter>): Likewise.
        (scatter<mode>_insn_1offset_ds<exec_scatter>): Likewise.
        (scatter<mode>_insn_2offsets<exec_scatter>): Likewise.
        (ds_bpermute<mode>): Use <VnSI>.
        (addv64si3_vcc<exec_vcc>): Rename to ...
        (add<mode>3_vcc<exec_vcc>): ... this, and use V_SI.
        (addv64si3_vcc_dup<exec_vcc>): Rename to ...
        (add<mode>3_vcc_dup<exec_vcc>): ... this, and use V_SI.
        (addcv64si3<exec_vcc>): Rename to ...
        (addc<mode>3<exec_vcc>): ... this, and use V_SI.
        (subv64si3_vcc<exec_vcc>): Rename to ...
        (sub<mode>3_vcc<exec_vcc>): ... this, and use V_SI.
        (subcv64si3<exec_vcc>): Rename to ...
        (subc<mode>3<exec_vcc>): ... this, and use V_SI.
        (addv64di3): Rename to ...
        (add<mode>3): ... this, and use V_DI.
        (addv64di3_exec): Rename to ...
        (add<mode>3_exec): ... this, and use V_DI.
        (subv64di3): Rename to ...
        (sub<mode>3): ... this, and use V_DI.
        (subv64di3_exec): Rename to ...
        (sub<mode>3_exec): ... this, and use V_DI.
        (addv64di3_zext): Rename to ...
        (add<mode>3_zext): ... this, and use V_DI and <VnSI>.
        (addv64di3_zext_exec): Rename to ...
        (add<mode>3_zext_exec): ... this, and use V_DI and <VnSI>.
        (addv64di3_zext_dup): Rename to ...
        (add<mode>3_zext_dup): ... this, and use V_DI and <VnSI>.
        (addv64di3_zext_dup_exec): Rename to ...
        (add<mode>3_zext_dup_exec): ... this, and use V_DI and <VnSI>.
        (addv64di3_zext_dup2): Rename to ...
        (add<mode>3_zext_dup2): ... this, and use V_DI and <VnSI>.
        (addv64di3_zext_dup2_exec): Rename to ...
        (add<mode>3_zext_dup2_exec): ... this, and use V_DI and <VnSI>.
        (addv64di3_sext_dup2): Rename to ...
        (add<mode>3_sext_dup2): ... this, and use V_DI and <VnSI>.
        (addv64di3_sext_dup2_exec): Rename to ...
        (add<mode>3_sext_dup2_exec): ... this, and use V_DI and <VnSI>.
        (<su>mulv64si3_highpart<exec>): Rename to ...
        (<su>mul<mode>3_highpart<exec>): ... this and use V_SI and <VnDI>.
        (mulv64di3): Rename to ...
        (mul<mode>3): ... this, and use V_DI and <VnSI>.
        (mulv64di3_exec): Rename to ...
        (mul<mode>3_exec): ... this, and use V_DI and <VnSI>.
        (mulv64di3_zext): Rename to ...
        (mul<mode>3_zext): ... this, and use V_DI and <VnSI>.
        (mulv64di3_zext_exec): Rename to ...
        (mul<mode>3_zext_exec): ... this, and use V_DI and <VnSI>.
        (mulv64di3_zext_dup2): Rename to ...
        (mul<mode>3_zext_dup2): ... this, and use V_DI and <VnSI>.
        (mulv64di3_zext_dup2_exec): Rename to ...
        (mul<mode>3_zext_dup2_exec): ... this, and use V_DI and <VnSI>.
        (<expander>v64di3): Rename to ...
        (<expander><mode>3): ... this, and use V_DI and <VnSI>.
        (<expander>v64di3_exec): Rename to ...
        (<expander><mode>3_exec): ... this, and use V_DI and <VnSI>.
        (<expander>v64si3<exec>): Rename to ...
        (<expander><mode>3<exec>): ... this, and use V_SI and <VnSI>.
        (v<expander>v64si3<exec>): Rename to ...
        (v<expander><mode>3<exec>): ... this, and use V_SI and <VnSI>.
        (<expander>v64si3<exec>): Rename to ...
        (<expander><vnsi>3<exec>): ... this, and use V_SI.
        (subv64df3<exec>): Rename to ...
        (sub<mode>3<exec>): ... this, and use V_DF.
        (truncv64di<mode>2): Rename to ...
        (trunc<vndi><mode>2): ... this, and use <VnDI>.
        (truncv64di<mode>2_exec): Rename to ...
        (trunc<vndi><mode>2_exec): ... this, and use <VnDI>.
        (<convop><mode>v64di2): Rename to ...
        (<convop><mode><vndi>2): ... this, and use <VnDI>.
        (<convop><mode>v64di2_exec): Rename to ...
        (<convop><mode><vndi>2_exec): ... this, and use <VnDI>.
        (vec_cmp<u>v64qidi): Rename to ...
        (vec_cmp<u><mode>di): ... this, and use <VnSI>.
        (vec_cmp<u>v64qidi_exec): Rename to ...
        (vec_cmp<u><mode>di_exec): ... this, and use <VnSI>.
        (vcond_mask_<mode>di): Use <VnDI>.
        (maskload<mode>di): Likewise.
        (maskstore<mode>di): Likewise.
        (mask_gather_load<mode>v64si): Rename to ...
        (mask_gather_load<mode><vnsi>): ... this, and use <VnSI> and <VnDI>.
        (mask_scatter_store<mode>v64si): Rename to ...
        (mask_scatter_store<mode><vnsi>): ... this, and use <VnSI> and <VnDI>.
        (*<reduc_op>_dpp_shr_v64di): Rename to ...
        (*<reduc_op>_dpp_shr_<mode>): ... this, and use V_DI and <VnSI>.
        (*plus_carry_in_dpp_shr_v64si): Rename to ...
        (*plus_carry_in_dpp_shr_<mode>): ... this, and use V_SI.
        (*plus_carry_dpp_shr_v64di): Rename to ...
        (*plus_carry_dpp_shr_<mode>): ... this, and use V_DI and <VnSI>.
        (vec_seriesv64si): Rename to ...
        (vec_series<mode>): ... this, and use V_SI.
        (vec_seriesv64di): Rename to ...
        (vec_series<mode>): ... this, and use V_DI.

2020-03-31  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_print_operand): Use
        HOST_WIDE_INT_PRINT_DEC macro.

2020-03-31  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.h (ASM_FORMAT_PRIVATE_NAME): Fix it.

2020-03-31  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm_mve.h (vbicq): Define MVE intrinsic polymorphic
        variant.
        (__arm_vbicq): Likewise.

2020-03-31  Vineet Gupta <vgupta@synopsys.com>

        * config/arc/linux.h: GLIBC_DYNAMIC_LINKER support BE/arc700.

2020-03-31  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm_mve.h (vaddlvq): Move the polymorphic variant to the
        common section of both MVE Integer and MVE Floating Point.
        (vaddvq): Likewise.
        (vaddlvq_p): Likewise.
        (vaddvaq): Likewise.
        (vaddvq_p): Likewise.
        (vcmpcsq): Likewise.
        (vmlsdavxq): Likewise.
        (vmlsdavq): Likewise.
        (vmladavxq): Likewise.
        (vmladavq): Likewise.
        (vminvq): Likewise.
        (vminavq): Likewise.
        (vmaxvq): Likewise.
        (vmaxavq): Likewise.
        (vmlaldavq): Likewise.
        (vcmphiq): Likewise.
        (vaddlvaq): Likewise.
        (vrmlaldavhq): Likewise.
        (vrmlaldavhxq): Likewise.
        (vrmlsldavhq): Likewise.
        (vrmlsldavhxq): Likewise.
        (vmlsldavxq): Likewise.
        (vmlsldavq): Likewise.
        (vabavq): Likewise.
        (vrmlaldavhaq): Likewise.
        (vcmpgeq_m_n): Likewise.
        (vmlsdavxq_p): Likewise.
        (vmlsdavq_p): Likewise.
        (vmlsdavaxq): Likewise.
        (vmlsdavaq): Likewise.
        (vaddvaq_p): Likewise.
        (vcmpcsq_m_n): Likewise.
        (vcmpcsq_m): Likewise.
        (vmladavxq_p): Likewise.
        (vmladavq_p): Likewise.
        (vmladavaxq): Likewise.
        (vmladavaq): Likewise.
        (vminvq_p): Likewise.
        (vminavq_p): Likewise.
        (vmaxvq_p): Likewise.
        (vmaxavq_p): Likewise.
        (vcmphiq_m): Likewise.
        (vaddlvaq_p): Likewise.
        (vmlaldavaq): Likewise.
        (vmlaldavaxq): Likewise.
        (vmlaldavq_p): Likewise.
        (vmlaldavxq_p): Likewise.
        (vmlsldavaq): Likewise.
        (vmlsldavaxq): Likewise.
        (vmlsldavq_p): Likewise.
        (vmlsldavxq_p): Likewise.
        (vrmlaldavhaxq): Likewise.
        (vrmlaldavhq_p): Likewise.
        (vrmlaldavhxq_p): Likewise.
        (vrmlsldavhaq): Likewise.
        (vrmlsldavhaxq): Likewise.
        (vrmlsldavhq_p): Likewise.
        (vrmlsldavhxq_p): Likewise.
        (vabavq_p): Likewise.
        (vmladavaq_p): Likewise.
        (vstrbq_scatter_offset): Likewise.
        (vstrbq_p): Likewise.
        (vstrbq_scatter_offset_p): Likewise.
        (vstrdq_scatter_base_p): Likewise.
        (vstrdq_scatter_base): Likewise.
        (vstrdq_scatter_offset_p): Likewise.
        (vstrdq_scatter_offset): Likewise.
        (vstrdq_scatter_shifted_offset_p): Likewise.
        (vstrdq_scatter_shifted_offset): Likewise.
        (vmaxq_x): Likewise.
        (vminq_x): Likewise.
        (vmovlbq_x): Likewise.
        (vmovltq_x): Likewise.
        (vmulhq_x): Likewise.
        (vmullbq_int_x): Likewise.
        (vmullbq_poly_x): Likewise.
        (vmulltq_int_x): Likewise.
        (vmulltq_poly_x): Likewise.
        (vstrbq): Likewise.

2020-03-31  Jakub Jelinek  <jakub@redhat.com>

        PR target/94368
        * config/aarch64/constraints.md (Uph): New constraint.
        * config/aarch64/atomics.md (cas_short_expected_imm): New mode attr.
        (@aarch64_compare_and_swap<mode>): Use it instead of n in operand 2's
        constraint.

2020-03-31  Marc Glisse  <marc.glisse@inria.fr>
            Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/94412
        * fold-const.c (fold_binary_loc) <case TRUNC_DIV_EXPR>: Use
        ANY_INTEGRAL_TYPE_P instead of INTEGRAL_TYPE_P.

2020-03-31  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/94403
        * gimple-ssa-store-merging.c (verify_symbolic_number_p): Allow also
        ENUMERAL_TYPE lhs_type.

        PR rtl-optimization/94344
        * tree-ssa-forwprop.c (simplify_rotate): Handle also same precision
        conversions, either on both operands of |^+ or just one.  Handle
        also extra same precision conversion on RSHIFT_EXPR first operand
        provided RSHIFT_EXPR is performed in unsigned type.

2020-03-30  David Malcolm  <dmalcolm@redhat.com>

        * lra.c (finish_insn_code_data_once): Set the array elements
        to NULL after freeing them.

2020-03-30  Andreas Schwab  <schwab@suse.de>

        * config/host-linux.c (TRY_EMPTY_VM_SPACE) [__riscv && __LP64__]:
        Define.

2020-03-30  Will Schmidt  <will_schmidt@vnet.ibm.com>

        * config/rs6000/rs6000-call.c altivec_init_builtins(): Remove code
        to skip defining builtins based on builtin_mask.

2020-03-30  Jakub Jelinek  <jakub@redhat.com>

        PR target/94343
        * config/i386/sse.md (<mask_codefor>one_cmpl<mode>2<mask_name>): If
        !TARGET_AVX512VL, use 512-bit vpternlog and make sure the input
        operand is a register.  Don't enable masked variants for V*[QH]Imode.

        PR target/93069
        * config/i386/sse.md (vec_extract_lo_<mode><mask_name>): Use
        <store_mask_constraint> instead of m in output operand constraint.
        (vec_extract_hi_<mode><mask_name>): Use <mask_operand2> instead of
        %{%3%}.

2020-03-30  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_call_aix): Emit cookie to pattern.
        (rs6000_indirect_call_template_1): Adjust to suit.
        * config/rs6000/rs6000.md (call_local): Merge call_local32,
        call_local64, and call_local_aix.
        (call_value_local): Simlarly.
        (call_nonlocal_aix, call_value_nonlocal_aix): Adjust rtl to suit,
        and disable pattern when CALL_LONG.
        (call_indirect_aix, call_value_indirect_aix): Adjust rtl.
        (call_indirect_elfv2, call_indirect_pcrel): Likewise.
        (call_value_indirect_elfv2, call_value_indirect_pcrel): Likewise.

2020-03-29  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/94381
        * doc/invoke.texi: Update -falign-functions, -falign-loops and
        -falign-jumps documentation.

2020-03-29  Martin Liska  <mliska@suse.cz>

        PR ipa/94363
        * cgraphunit.c (process_function_and_variable_attributes): Remove
        double 'attribute' words.

2020-03-29  John David Anglin  <dave.anglin@bell.net>

        * config/pa/pa.c (pa_asm_output_aligned_bss): Delete duplicate
        .align output.

2020-03-28  Jakub Jelinek  <jakub@redhat.com>

        PR c/93573
        * c-decl.c (grokdeclarator): After issuing errors, set size_int_const
        to true after setting size to integer_one_node.

        PR tree-optimization/94329
        * tree-ssa-reassoc.c (reassociate_bb): When calling reassoc_remove_stmt
        on the last stmt in a bb, make sure gsi_prev isn't done immediately
        after gsi_last_bb.

2020-03-27  Alan Modra  <amodra@gmail.com>

        PR target/94145
        * config/rs6000/rs6000.c (rs6000_longcall_ref): Use unspec_volatile
        for PLT16_LO and PLT_PCREL.
        * config/rs6000/rs6000.md (UNSPEC_PLT16_LO, UNSPEC_PLT_PCREL): Remove.
        (UNSPECV_PLT16_LO, UNSPECV_PLT_PCREL): Define.
        (pltseq_plt16_lo_, pltseq_plt_pcrel): Use unspec_volatile.

2020-03-27  Martin Sebor  <msebor@redhat.com>

        PR c++/94098
        * calls.c (init_attr_rdwr_indices): Iterate over all access attributes.

2020-03-27  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md:
        (VEC_SUBDWORD_MODE): Rename to V_QIHI throughout.
        (VEC_1REG_MODE): Delete.
        (VEC_1REG_ALT): Delete.
        (VEC_ALL1REG_MODE): Rename to V_1REG throughout.
        (VEC_1REG_INT_MODE): Delete.
        (VEC_ALL1REG_INT_MODE): Rename to V_INT_1REG throughout.
        (VEC_ALL1REG_INT_ALT): Rename to V_INT_1REG_ALT throughout.
        (VEC_2REG_MODE): Rename to V_2REG throughout.
        (VEC_REG_MODE): Rename to V_noHI throughout.
        (VEC_ALLREG_MODE): Rename to V_ALL throughout.
        (VEC_ALLREG_ALT):  Rename to V_ALL_ALT throughout.
        (VEC_ALLREG_INT_MODE): Rename to V_INT throughout.
        (VEC_INT_MODE): Delete.
        (VEC_FP_MODE): Rename to V_FP throughout and move to top.
        (VEC_FP_1REG_MODE): Rename to V_FP_1REG throughout and move to top.
        (FP_MODE): Delete and replace with FP throughout.
        (FP_1REG_MODE): Delete and replace with FP_1REG throughout.
        (VCMP_MODE): Rename to V_noQI throughout and move to top.
        (VCMP_MODE_INT): Rename to V_INT_noQI throughout and move to top.
        * config/gcn/gcn.md (FP): New mode iterator.
        (FP_1REG): New mode iterator.

2020-03-27  David Malcolm  <dmalcolm@redhat.com>

        * doc/invoke.texi (-fdump-analyzer-supergraph): Document that this
        now emits two .dot files.
        * graphviz.cc (graphviz_out::begin_tr): Only emit a TR, not a TD.
        (graphviz_out::end_tr): Only close a TR, not a TD.
        (graphviz_out::begin_td): New.
        (graphviz_out::end_td): New.
        (graphviz_out::begin_trtd): New, replacing the old implementation
        of graphviz_out::begin_tr.
        (graphviz_out::end_tdtr): New, replacing the old implementation
        of graphviz_out::end_tr.
        * graphviz.h (graphviz_out::begin_td): New decl.
        (graphviz_out::end_td): New decl.
        (graphviz_out::begin_trtd): New decl.
        (graphviz_out::end_tdtr): New decl.

2020-03-27  Richard Biener  <rguenther@suse.de>

        PR debug/94273
        * dwarf2out.c (should_emit_struct_debug): Return false for
        DINFO_LEVEL_TERSE.

2020-03-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/94352
        * tree-ssa-propagate.c (ssa_prop_init): Move seeding of the
        worklist ...
        (ssa_propagation_engine::ssa_propagate): ... here after
        initializing curr_order.

2020-03-27  Kewen Lin  <linkw@gcc.gnu.org>

        PR tree-optimization/90332
        * tree-vect-stmts.c (vector_vector_composition_type): New function.
        (get_group_load_store_type): Adjust to call
        vector_vector_composition_type, extend it to construct with scalar
        types.
        (vectorizable_load): Likewise.

2020-03-27  Roman Zhuykov  <zhroma@ispras.ru>

        * ddg.c (create_ddg_dep_from_intra_loop_link): Remove assertions.
        (create_ddg_dep_no_link): Likewise.
        (add_cross_iteration_register_deps): Move debug instruction check.
        Other minor refactoring.
        (add_intra_loop_mem_dep): Do not check for debug instructions.
        (add_inter_loop_mem_dep): Likewise.
        (build_intra_loop_deps): Likewise.
        (create_ddg): Do not include debug insns into the graph.
        * ddg.h (struct ddg): Remove num_debug field.
        * modulo-sched.c (doloop_register_get): Adjust condition.
        (res_MII): Remove DDG num_debug field usage.
        (sms_schedule_by_order): Use assertion against debug insns.
        (ps_has_conflicts): Drop debug insn check.

2020-03-26  Jakub Jelinek  <jakub@redhat.com>

        PR debug/94323
        * tree.c (protected_set_expr_location): Recurse on STATEMENT_LIST
        that contains exactly one non-DEBUG_BEGIN_STMT statement.

        PR debug/94281
        * gimple.h (gimple_seq_first_nondebug_stmt): New function.
        (gimple_seq_last_nondebug_stmt): Don't return NULL if seq contains
        a single non-debug stmt followed by one or more debug stmts.
        * gimplify.c (gimplify_body): Use gimple_seq_first_nondebug_stmt
        instead of gimple_seq_first_stmt, use gimple_seq_first_nondebug_stmt
        and gimple_seq_last_nondebug_stmt instead of gimple_seq_first and
        gimple_seq_last to check if outer_stmt gbind could be reused and
        if yes and it is surrounded by any debug stmts, move them into the
        gbind body.

        PR rtl-optimization/92264
        * var-tracking.c (add_stores): Call cselib_set_value_sp_based even
        for sp based values in !frame_pointer_needed
        && !ACCUMULATE_OUTGOING_ARGS functions.

2020-03-26  Felix Yang  <felix.yang@huawei.com>

        PR tree-optimization/94269
        * tree-ssa-math-opts.c (convert_plusminus_to_widen): Restrict
        this
        operation to single basic block.

2020-03-25  Jeff Law  <law@redhat.com>

        PR rtl-optimization/90275
        * config/sh/sh.md (mov_neg_si_t): Clobber the T register in the
        pattern.

2020-03-25  Jakub Jelinek  <jakub@redhat.com>

        PR target/94292
        * config/arm/arm.c (arm_gen_dicompare_reg): Set mode of COMPARE to
        mode rather than VOIDmode.

2020-03-25  Martin Sebor  <msebor@redhat.com>

        PR middle-end/94004
        * gimple-ssa-warn-alloca.c (pass_walloca::execute): Issue warnings
        even for alloca calls resulting from system macro expansion.
        Include inlining context in all warnings.

2020-03-25  Richard Sandiford  <richard.sandiford@arm.com>

        PR target/94254
        * config/rs6000/rs6000.c (rs6000_can_change_mode_class): Allow
        FPRs to change between SDmode and DDmode.

2020-03-25  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/94131
        * gimple-fold.c (get_range_strlen_tree): Fail for variable-length
        types and decls.
        * tree-ssa-strlen.c (get_range_strlen_dynamic): Avoid assuming
        types have constant sizes.

2020-03-25  Martin Liska  <mliska@suse.cz>

        PR lto/94259
        * configure.ac: Report error only when --with-zstd
        is used.
        * configure: Regenerate.

2020-03-25  Jakub Jelinek  <jakub@redhat.com>

        PR target/94308
        * config/i386/i386-features.c (ix86_add_reg_usage_to_vzeroupper): Set
        INSN_CODE (insn) to -1 when changing the pattern.

2020-03-25  Martin Liska  <mliska@suse.cz>

        PR target/93274
        PR ipa/94271
        * config/i386/i386-features.c (make_resolver_func): Drop
        public flag for resolver.
        * config/rs6000/rs6000.c (make_resolver_func): Add comdat
        group for resolver and drop public flag if possible.
        * multiple_target.c (create_dispatcher_calls): Drop unique_name
        and resolution as we want to enable LTO privatization of the default
        symbol.

2020-03-25  Martin Liska  <mliska@suse.cz>

        PR lto/94259
        * configure.ac: Respect --without-zstd and report
        error when we can't find header file with --with-zstd.
        * configure: Regenerate.

2020-03-25  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/94303
        * varasm.c (output_constructor_array_range): If local->index
        RANGE_EXPR doesn't start at the current location in the constructor,
        skip needed number of bytes using assemble_zeros or assert we don't
        go backwards.

        PR c++/94223
        * langhooks.c (lhd_set_decl_assembler_name): Use a static ulong
        counter instead of DECL_UID.

        PR tree-optimization/94300
        * tree-ssa-sccvn.c (vn_walk_cb_data::push_partial_def): If pd.offset
        is positive, make sure that off + size isn't larger than needed_len.

2020-03-25  Richard Biener  <rguenther@suse.de>
            Jakub Jelinek  <jakub@redhat.com>

        PR debug/94283
        * tree-if-conv.c (ifcvt_local_dce): Delete dead statements backwards.

2020-03-24  Christophe Lyon  <christophe.lyon@linaro.org>

        * doc/sourcebuild.texi (ARM-specific attributes): Add
        arm_fp_dp_ok.
        (Features for dg-add-options): Add arm_fp_dp.

2020-03-24  John David Anglin  <danglin@gcc.gnu.org>

        PR lto/94249
        * config/pa/pa.h (TARGET_CPU_CPP_BUILTINS): Define __BIG_ENDIAN__.

2020-03-24  Tobias Burnus  <tobias@codesourcery.com>

        PR libgomp/81689
        * omp-offload.c (omp_finish_file): Fix target-link handling if
        targetm_common.have_named_sections is false.

2020-03-24  Jakub Jelinek  <jakub@redhat.com>

        PR target/94286
        * config/arm/arm.md (subvdi4, usubvsi4, usubvdi4): Use gen_int_mode
        instead of GEN_INT.

        PR debug/94285
        * tree-ssa-loop-manip.c (create_iv): If after, set stmt location to
        e->goto_locus even if gsi_bb (*incr_pos) contains only debug stmts.
        If not after and at *incr_pos is a debug stmt, set stmt location to
        location of next non-debug stmt after it if any.

        PR debug/94283
        * tree-if-conv.c (ifcvt_local_dce): For gimple debug stmts, just set
        GF_PLF_2, but don't add them to worklist.  Don't add an assigment to
        worklist or set GF_PLF_2 just because it is used in a debug stmt in
        another bb.  Formatting improvements.

        PR debug/94277
        * cgraphunit.c (check_global_declaration): For DECL_EXTERNAL and
        non-TREE_PUBLIC non-DECL_ARTIFICIAL FUNCTION_DECLs, set TREE_PUBLIC
        regardless of whether TREE_NO_WARNING is set on it or whether
        warn_unused_function is true or not.

2020-03-23  Jeff Law  <law@redhat.com>

        PR rtl-optimization/90275
        PR target/94238
        PR target/94144
        * simplify-rtx.c (comparison_code_valid_for_mode): New function.
        (simplify_logical_relational_operation): Use it.

2020-03-23  Jakub Jelinek  <jakub@redhat.com>

        PR c++/91993
        * tree.c (get_narrower): Handle COMPOUND_EXPR by recursing on
        ultimate rhs and if returned something different, reconstructing
        the COMPOUND_EXPRs.

2020-03-23  Lewis Hyatt  <lhyatt@gmail.com>

        * opts.c (print_filtered_help): Improve the help text for alias options.

2020-03-23  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
            Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>

        * config/arm/arm_mve.h (vshlcq_m_s8): Define macro.
        (vshlcq_m_u8): Likewise.
        (vshlcq_m_s16): Likewise.
        (vshlcq_m_u16): Likewise.
        (vshlcq_m_s32): Likewise.
        (vshlcq_m_u32): Likewise.
        (__arm_vshlcq_m_s8): Define intrinsic.
        (__arm_vshlcq_m_u8): Likewise.
        (__arm_vshlcq_m_s16): Likewise.
        (__arm_vshlcq_m_u16): Likewise.
        (__arm_vshlcq_m_s32): Likewise.
        (__arm_vshlcq_m_u32): Likewise.
        (vshlcq_m): Define polymorphic variant.
        * config/arm/arm_mve_builtins.def (QUADOP_NONE_NONE_UNONE_IMM_UNONE):
        Use builtin qualifier.
        (QUADOP_UNONE_UNONE_UNONE_IMM_UNONE): Likewise.
        * config/arm/mve.md (mve_vshlcq_m_vec_<supf><mode>): Define RTL pattern.
        (mve_vshlcq_m_carry_<supf><mode>): Likewise.
        (mve_vshlcq_m_<supf><mode>): Likewise.

2020-03-23  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm-builtins.c (LSLL_QUALIFIERS): Define builtin qualifier.
        (UQSHL_QUALIFIERS): Likewise.
        (ASRL_QUALIFIERS): Likewise.
        (SQSHL_QUALIFIERS): Likewise.
        * config/arm/arm_mve.h (__ARM_BIG_ENDIAN): Check to not support MVE in
        Big-Endian Mode.
        (sqrshr): Define macro.
        (sqrshrl): Likewise.
        (sqrshrl_sat48): Likewise.
        (sqshl): Likewise.
        (sqshll): Likewise.
        (srshr): Likewise.
        (srshrl): Likewise.
        (uqrshl): Likewise.
        (uqrshll): Likewise.
        (uqrshll_sat48): Likewise.
        (uqshl): Likewise.
        (uqshll): Likewise.
        (urshr): Likewise.
        (urshrl): Likewise.
        (lsll): Likewise.
        (asrl): Likewise.
        (__arm_lsll): Define intrinsic.
        (__arm_asrl): Likewise.
        (__arm_uqrshll): Likewise.
        (__arm_uqrshll_sat48): Likewise.
        (__arm_sqrshrl): Likewise.
        (__arm_sqrshrl_sat48): Likewise.
        (__arm_uqshll): Likewise.
        (__arm_urshrl): Likewise.
        (__arm_srshrl): Likewise.
        (__arm_sqshll): Likewise.
        (__arm_uqrshl): Likewise.
        (__arm_sqrshr): Likewise.
        (__arm_uqshl): Likewise.
        (__arm_urshr): Likewise.
        (__arm_sqshl): Likewise.
        (__arm_srshr): Likewise.
        * config/arm/arm_mve_builtins.def (LSLL_QUALIFIERS): Use builtin
        qualifier.
        (UQSHL_QUALIFIERS): Likewise.
        (ASRL_QUALIFIERS): Likewise.
        (SQSHL_QUALIFIERS): Likewise.
        * config/arm/mve.md (mve_uqrshll_sat<supf>_di): Define RTL pattern.
        (mve_sqrshrl_sat<supf>_di): Likewise.
        (mve_uqrshl_si): Likewise.
        (mve_sqrshr_si): Likewise.
        (mve_uqshll_di): Likewise.
        (mve_urshrl_di): Likewise.
        (mve_uqshl_si): Likewise.
        (mve_urshr_si): Likewise.
        (mve_sqshl_si): Likewise.
        (mve_srshr_si): Likewise.
        (mve_srshrl_di): Likewise.
        (mve_sqshll_di): Likewise.

2020-03-23  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
            Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>

        * config/arm/arm_mve.h (vsetq_lane_f16): Define macro.
        (vsetq_lane_f32): Likewise.
        (vsetq_lane_s16): Likewise.
        (vsetq_lane_s32): Likewise.
        (vsetq_lane_s8): Likewise.
        (vsetq_lane_s64): Likewise.
        (vsetq_lane_u8): Likewise.
        (vsetq_lane_u16): Likewise.
        (vsetq_lane_u32): Likewise.
        (vsetq_lane_u64): Likewise.
        (vgetq_lane_f16): Likewise.
        (vgetq_lane_f32): Likewise.
        (vgetq_lane_s16): Likewise.
        (vgetq_lane_s32): Likewise.
        (vgetq_lane_s8): Likewise.
        (vgetq_lane_s64): Likewise.
        (vgetq_lane_u8): Likewise.
        (vgetq_lane_u16): Likewise.
        (vgetq_lane_u32): Likewise.
        (vgetq_lane_u64): Likewise.
        (__ARM_NUM_LANES): Likewise.
        (__ARM_LANEQ): Likewise.
        (__ARM_CHECK_LANEQ): Likewise.
        (__arm_vsetq_lane_s16): Define intrinsic.
        (__arm_vsetq_lane_s32): Likewise.
        (__arm_vsetq_lane_s8): Likewise.
        (__arm_vsetq_lane_s64): Likewise.
        (__arm_vsetq_lane_u8): Likewise.
        (__arm_vsetq_lane_u16): Likewise.
        (__arm_vsetq_lane_u32): Likewise.
        (__arm_vsetq_lane_u64): Likewise.
        (__arm_vgetq_lane_s16): Likewise.
        (__arm_vgetq_lane_s32): Likewise.
        (__arm_vgetq_lane_s8): Likewise.
        (__arm_vgetq_lane_s64): Likewise.
        (__arm_vgetq_lane_u8): Likewise.
        (__arm_vgetq_lane_u16): Likewise.
        (__arm_vgetq_lane_u32): Likewise.
        (__arm_vgetq_lane_u64): Likewise.
        (__arm_vsetq_lane_f16): Likewise.
        (__arm_vsetq_lane_f32): Likewise.
        (__arm_vgetq_lane_f16): Likewise.
        (__arm_vgetq_lane_f32): Likewise.
        (vgetq_lane): Define polymorphic variant.
        (vsetq_lane): Likewise.
        * config/arm/mve.md (mve_vec_extract<mode><V_elem_l>): Define RTL
        pattern.
        (mve_vec_extractv2didi): Likewise.
        (mve_vec_extract_sext_internal<mode>): Likewise.
        (mve_vec_extract_zext_internal<mode>): Likewise.
        (mve_vec_set<mode>_internal): Likewise.
        (mve_vec_setv2di_internal): Likewise.
        * config/arm/neon.md (vec_set<mode>): Move RTL pattern to vec-common.md
        file.
        (vec_extract<mode><V_elem_l>): Rename to
        "neon_vec_extract<mode><V_elem_l>".
        (vec_extractv2didi): Rename to "neon_vec_extractv2didi".
        * config/arm/vec-common.md (vec_extract<mode><V_elem_l>): Define RTL
        pattern common for MVE and NEON.
        (vec_set<mode>): Move RTL pattern from neon.md and modify to accept both
        MVE and NEON.

2020-03-23  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/mve.md (earlyclobber_32): New mode attribute.
        (mve_vrev64q_*, mve_vcaddq*, mve_vhcaddq_*, mve_vcmulq_*,
         mve_vmull[bt]q_*, mve_vqdmull[bt]q_*): Add appropriate early clobbers.

2020-03-23  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/94261
        * tree-vect-slp.c (vect_get_and_check_slp_defs): Remove
        IL operand swapping code.
        (vect_slp_rearrange_stmts): Do not arrange isomorphic
        nodes that would need operation code adjustments.

2020-03-23  Tobias Burnus  <tobias@codesourcery.com>

        * doc/install.texi (amdgcn-*-amdhsa): Renamed
        from amdgcn-unknown-amdhsa; change
        amdgcn-unknown-amdhsa to amdgcn-amdhsa.

2020-03-23  Richard Biener  <rguenther@suse.de>

        PR ipa/94245
        * ipa-prop.c (ipa_read_jump_function): Build the ADDR_EXRP
        directly rather than also folding it via build_fold_addr_expr.

2020-03-23  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/94266
        * tree-ssa-forwprop.c (pass_forwprop::execute): Do not propagate
        addresses of TARGET_MEM_REFs.

2020-03-23  Martin Liska  <mliska@suse.cz>

        PR ipa/94250
        * symtab.c (symtab_node::clone_references): Save speculative_id
        as ref may be overwritten by create_reference.
        (symtab_node::clone_referring): Likewise.
        (symtab_node::clone_reference): Likewise.

2020-03-22  Iain Sandoe  <iain@sandoe.co.uk>

        * config/i386/darwin.h (JUMP_TABLES_IN_TEXT_SECTION): Remove
        references to Darwin.
        * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION): Define this
        unconditionally and comment on why.

2020-03-21 Iain Sandoe <iain@sandoe.co.uk>

        * config/darwin.c (darwin_mergeable_constant_section): Collect
        section anchor checks into the caller.
        (machopic_select_section): Collect section anchor checks into
        the determination of 'effective zero-size' objects. When the
        size is unknown, assume it is non-zero, and thus return the
        'generic' section for the DECL.

2020-03-21 Iain Sandoe <iain@sandoe.co.uk>

        PR target/93694
        * config/darwin.opt: Amend options descriptions.

2020-03-21  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/94052
        * lra-constraints.c (simplify_operand_subreg): Reload the inner
        register of a paradoxical subreg if simplify_subreg_regno fails
        to give a valid hard register for the outer mode.

2020-03-20  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/93435
        * params.opt (sra-max-propagations): New parameter.
        * tree-sra.c (propagation_budget): New variable.
        (budget_for_propagation_access): New function.
        (propagate_subaccesses_from_rhs): Use it.
        (propagate_subaccesses_from_lhs): Likewise.
        (propagate_all_subaccesses): Set up and destroy propagation_budget.

2020-03-20  Carl Love  <cel@us.ibm.com>

        PR/target 87583
        * config/rs6000/rs6000.c (rs6000_option_override_internal):
        Add check for TARGET_FPRND for Power 7 or newer.

2020-03-20  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/93347
        * cgraph.c (symbol_table::create_edge): Update calls_comdat_local flag.
        (cgraph_edge::redirect_callee): Move here; likewise.
        (cgraph_node::remove_callees): Update calls_comdat_local flag.
        (cgraph_node::verify_node): Verify that calls_comdat_local flag match
        reality.
        (cgraph_node::check_calls_comdat_local_p): New member function.
        * cgraph.h (cgraph_node::check_calls_comdat_local_p): Declare.
        (cgraph_edge::redirect_callee): Move offline.
        * ipa-fnsummary.c (compute_fn_summary): Do not compute
        calls_comdat_local flag here.
        * ipa-inline-transform.c (inline_call): Fix updating of
        calls_comdat_local flag.
        * ipa-split.c (split_function): Use true instead of 1 to set the flag.
        * symtab.c (symtab_node::add_to_same_comdat_group): Update
        calls_comdat_local flag.

2020-03-20  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_analyze_slp_instance): Dump SLP tree
        from the possibly modified root.

2020-03-20  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
            Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>

        * config/arm/arm_mve.h (vst1q_p_u8): Define macro.
        (vst1q_p_s8): Likewise.
        (vst2q_s8): Likewise.
        (vst2q_u8): Likewise.
        (vld1q_z_u8): Likewise.
        (vld1q_z_s8): Likewise.
        (vld2q_s8): Likewise.
        (vld2q_u8): Likewise.
        (vld4q_s8): Likewise.
        (vld4q_u8): Likewise.
        (vst1q_p_u16): Likewise.
        (vst1q_p_s16): Likewise.
        (vst2q_s16): Likewise.
        (vst2q_u16): Likewise.
        (vld1q_z_u16): Likewise.
        (vld1q_z_s16): Likewise.
        (vld2q_s16): Likewise.
        (vld2q_u16): Likewise.
        (vld4q_s16): Likewise.
        (vld4q_u16): Likewise.
        (vst1q_p_u32): Likewise.
        (vst1q_p_s32): Likewise.
        (vst2q_s32): Likewise.
        (vst2q_u32): Likewise.
        (vld1q_z_u32): Likewise.
        (vld1q_z_s32): Likewise.
        (vld2q_s32): Likewise.
        (vld2q_u32): Likewise.
        (vld4q_s32): Likewise.
        (vld4q_u32): Likewise.
        (vld4q_f16): Likewise.
        (vld2q_f16): Likewise.
        (vld1q_z_f16): Likewise.
        (vst2q_f16): Likewise.
        (vst1q_p_f16): Likewise.
        (vld4q_f32): Likewise.
        (vld2q_f32): Likewise.
        (vld1q_z_f32): Likewise.
        (vst2q_f32): Likewise.
        (vst1q_p_f32): Likewise.
        (__arm_vst1q_p_u8): Define intrinsic.
        (__arm_vst1q_p_s8): Likewise.
        (__arm_vst2q_s8): Likewise.
        (__arm_vst2q_u8): Likewise.
        (__arm_vld1q_z_u8): Likewise.
        (__arm_vld1q_z_s8): Likewise.
        (__arm_vld2q_s8): Likewise.
        (__arm_vld2q_u8): Likewise.
        (__arm_vld4q_s8): Likewise.
        (__arm_vld4q_u8): Likewise.
        (__arm_vst1q_p_u16): Likewise.
        (__arm_vst1q_p_s16): Likewise.
        (__arm_vst2q_s16): Likewise.
        (__arm_vst2q_u16): Likewise.
        (__arm_vld1q_z_u16): Likewise.
        (__arm_vld1q_z_s16): Likewise.
        (__arm_vld2q_s16): Likewise.
        (__arm_vld2q_u16): Likewise.
        (__arm_vld4q_s16): Likewise.
        (__arm_vld4q_u16): Likewise.
        (__arm_vst1q_p_u32): Likewise.
        (__arm_vst1q_p_s32): Likewise.
        (__arm_vst2q_s32): Likewise.
        (__arm_vst2q_u32): Likewise.
        (__arm_vld1q_z_u32): Likewise.
        (__arm_vld1q_z_s32): Likewise.
        (__arm_vld2q_s32): Likewise.
        (__arm_vld2q_u32): Likewise.
        (__arm_vld4q_s32): Likewise.
        (__arm_vld4q_u32): Likewise.
        (__arm_vld4q_f16): Likewise.
        (__arm_vld2q_f16): Likewise.
        (__arm_vld1q_z_f16): Likewise.
        (__arm_vst2q_f16): Likewise.
        (__arm_vst1q_p_f16): Likewise.
        (__arm_vld4q_f32): Likewise.
        (__arm_vld2q_f32): Likewise.
        (__arm_vld1q_z_f32): Likewise.
        (__arm_vst2q_f32): Likewise.
        (__arm_vst1q_p_f32): Likewise.
        (vld1q_z): Define polymorphic variant.
        (vld2q): Likewise.
        (vld4q): Likewise.
        (vst1q_p): Likewise.
        (vst2q): Likewise.
        * config/arm/arm_mve_builtins.def (STORE1): Use builtin qualifier.
        (LOAD1): Likewise.
        * config/arm/mve.md (mve_vst2q<mode>): Define RTL pattern.
        (mve_vld2q<mode>): Likewise.
        (mve_vld4q<mode>): Likewise.

2020-03-20  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
            Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>

        * config/arm/arm-builtins.c (ARM_BUILTIN_GET_FPSCR_NZCVQC): Define.
        (ARM_BUILTIN_SET_FPSCR_NZCVQC): Likewise.       
        (arm_init_mve_builtins): Add "__builtin_arm_get_fpscr_nzcvqc" and
        "__builtin_arm_set_fpscr_nzcvqc" to arm_builtin_decls array. 
        (arm_expand_builtin): Define case ARM_BUILTIN_GET_FPSCR_NZCVQC
        and ARM_BUILTIN_SET_FPSCR_NZCVQC.
        * config/arm/arm_mve.h (vadciq_s32): Define macro.
        (vadciq_u32): Likewise.
        (vadciq_m_s32): Likewise.
        (vadciq_m_u32): Likewise.
        (vadcq_s32): Likewise.
        (vadcq_u32): Likewise.
        (vadcq_m_s32): Likewise.
        (vadcq_m_u32): Likewise.
        (vsbciq_s32): Likewise.
        (vsbciq_u32): Likewise.
        (vsbciq_m_s32): Likewise.
        (vsbciq_m_u32): Likewise.
        (vsbcq_s32): Likewise.
        (vsbcq_u32): Likewise.
        (vsbcq_m_s32): Likewise.
        (vsbcq_m_u32): Likewise.
        (__arm_vadciq_s32): Define intrinsic.
        (__arm_vadciq_u32): Likewise.
        (__arm_vadciq_m_s32): Likewise.
        (__arm_vadciq_m_u32): Likewise.
        (__arm_vadcq_s32): Likewise.
        (__arm_vadcq_u32): Likewise.
        (__arm_vadcq_m_s32): Likewise.
        (__arm_vadcq_m_u32): Likewise.
        (__arm_vsbciq_s32): Likewise.
        (__arm_vsbciq_u32): Likewise.
        (__arm_vsbciq_m_s32): Likewise.
        (__arm_vsbciq_m_u32): Likewise.
        (__arm_vsbcq_s32): Likewise.
        (__arm_vsbcq_u32): Likewise.
        (__arm_vsbcq_m_s32): Likewise.
        (__arm_vsbcq_m_u32): Likewise.
        (vadciq_m): Define polymorphic variant.
        (vadciq): Likewise.
        (vadcq_m): Likewise.
        (vadcq): Likewise.
        (vsbciq_m): Likewise.
        (vsbciq): Likewise.
        (vsbcq_m): Likewise.
        (vsbcq): Likewise.
        * config/arm/arm_mve_builtins.def (BINOP_NONE_NONE_NONE): Use builtin
        qualifier.
        (BINOP_UNONE_UNONE_UNONE): Likewise.
        (QUADOP_NONE_NONE_NONE_NONE_UNONE): Likewise.
        (QUADOP_UNONE_UNONE_UNONE_UNONE_UNONE): Likewise.
        * config/arm/mve.md (VADCIQ): Define iterator.
        (VADCIQ_M): Likewise.
        (VSBCQ): Likewise.
        (VSBCQ_M): Likewise.
        (VSBCIQ): Likewise.
        (VSBCIQ_M): Likewise.
        (VADCQ): Likewise.
        (VADCQ_M): Likewise.
        (mve_vadciq_m_<supf>v4si): Define RTL pattern.
        (mve_vadciq_<supf>v4si): Likewise.
        (mve_vadcq_m_<supf>v4si): Likewise.
        (mve_vadcq_<supf>v4si): Likewise.
        (mve_vsbciq_m_<supf>v4si): Likewise.
        (mve_vsbciq_<supf>v4si): Likewise.
        (mve_vsbcq_m_<supf>v4si): Likewise.
        (mve_vsbcq_<supf>v4si): Likewise.
        (get_fpscr_nzcvqc): Define isns.
        (set_fpscr_nzcvqc): Define isns.
        * config/arm/unspecs.md (UNSPEC_GET_FPSCR_NZCVQC): Define.
        (UNSPEC_SET_FPSCR_NZCVQC): Define.

2020-03-20  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm_mve.h (vddupq_x_n_u8): Define macro.
        (vddupq_x_n_u16): Likewise.
        (vddupq_x_n_u32): Likewise.
        (vddupq_x_wb_u8): Likewise.
        (vddupq_x_wb_u16): Likewise.
        (vddupq_x_wb_u32): Likewise.
        (vdwdupq_x_n_u8): Likewise.
        (vdwdupq_x_n_u16): Likewise.
        (vdwdupq_x_n_u32): Likewise.
        (vdwdupq_x_wb_u8): Likewise.
        (vdwdupq_x_wb_u16): Likewise.
        (vdwdupq_x_wb_u32): Likewise.
        (vidupq_x_n_u8): Likewise.
        (vidupq_x_n_u16): Likewise.
        (vidupq_x_n_u32): Likewise.
        (vidupq_x_wb_u8): Likewise.
        (vidupq_x_wb_u16): Likewise.
        (vidupq_x_wb_u32): Likewise.
        (viwdupq_x_n_u8): Likewise.
        (viwdupq_x_n_u16): Likewise.
        (viwdupq_x_n_u32): Likewise.
        (viwdupq_x_wb_u8): Likewise.
        (viwdupq_x_wb_u16): Likewise.
        (viwdupq_x_wb_u32): Likewise.
        (vdupq_x_n_s8): Likewise.
        (vdupq_x_n_s16): Likewise.
        (vdupq_x_n_s32): Likewise.
        (vdupq_x_n_u8): Likewise.
        (vdupq_x_n_u16): Likewise.
        (vdupq_x_n_u32): Likewise.
        (vminq_x_s8): Likewise.
        (vminq_x_s16): Likewise.
        (vminq_x_s32): Likewise.
        (vminq_x_u8): Likewise.
        (vminq_x_u16): Likewise.
        (vminq_x_u32): Likewise.
        (vmaxq_x_s8): Likewise.
        (vmaxq_x_s16): Likewise.
        (vmaxq_x_s32): Likewise.
        (vmaxq_x_u8): Likewise.
        (vmaxq_x_u16): Likewise.
        (vmaxq_x_u32): Likewise.
        (vabdq_x_s8): Likewise.
        (vabdq_x_s16): Likewise.
        (vabdq_x_s32): Likewise.
        (vabdq_x_u8): Likewise.
        (vabdq_x_u16): Likewise.
        (vabdq_x_u32): Likewise.
        (vabsq_x_s8): Likewise.
        (vabsq_x_s16): Likewise.
        (vabsq_x_s32): Likewise.
        (vaddq_x_s8): Likewise.
        (vaddq_x_s16): Likewise.
        (vaddq_x_s32): Likewise.
        (vaddq_x_n_s8): Likewise.
        (vaddq_x_n_s16): Likewise.
        (vaddq_x_n_s32): Likewise.
        (vaddq_x_u8): Likewise.
        (vaddq_x_u16): Likewise.
        (vaddq_x_u32): Likewise.
        (vaddq_x_n_u8): Likewise.
        (vaddq_x_n_u16): Likewise.
        (vaddq_x_n_u32): Likewise.
        (vclsq_x_s8): Likewise.
        (vclsq_x_s16): Likewise.
        (vclsq_x_s32): Likewise.
        (vclzq_x_s8): Likewise.
        (vclzq_x_s16): Likewise.
        (vclzq_x_s32): Likewise.
        (vclzq_x_u8): Likewise.
        (vclzq_x_u16): Likewise.
        (vclzq_x_u32): Likewise.
        (vnegq_x_s8): Likewise.
        (vnegq_x_s16): Likewise.
        (vnegq_x_s32): Likewise.
        (vmulhq_x_s8): Likewise.
        (vmulhq_x_s16): Likewise.
        (vmulhq_x_s32): Likewise.
        (vmulhq_x_u8): Likewise.
        (vmulhq_x_u16): Likewise.
        (vmulhq_x_u32): Likewise.
        (vmullbq_poly_x_p8): Likewise.
        (vmullbq_poly_x_p16): Likewise.
        (vmullbq_int_x_s8): Likewise.
        (vmullbq_int_x_s16): Likewise.
        (vmullbq_int_x_s32): Likewise.
        (vmullbq_int_x_u8): Likewise.
        (vmullbq_int_x_u16): Likewise.
        (vmullbq_int_x_u32): Likewise.
        (vmulltq_poly_x_p8): Likewise.
        (vmulltq_poly_x_p16): Likewise.
        (vmulltq_int_x_s8): Likewise.
        (vmulltq_int_x_s16): Likewise.
        (vmulltq_int_x_s32): Likewise.
        (vmulltq_int_x_u8): Likewise.
        (vmulltq_int_x_u16): Likewise.
        (vmulltq_int_x_u32): Likewise.
        (vmulq_x_s8): Likewise.
        (vmulq_x_s16): Likewise.
        (vmulq_x_s32): Likewise.
        (vmulq_x_n_s8): Likewise.
        (vmulq_x_n_s16): Likewise.
        (vmulq_x_n_s32): Likewise.
        (vmulq_x_u8): Likewise.
        (vmulq_x_u16): Likewise.
        (vmulq_x_u32): Likewise.
        (vmulq_x_n_u8): Likewise.
        (vmulq_x_n_u16): Likewise.
        (vmulq_x_n_u32): Likewise.
        (vsubq_x_s8): Likewise.
        (vsubq_x_s16): Likewise.
        (vsubq_x_s32): Likewise.
        (vsubq_x_n_s8): Likewise.
        (vsubq_x_n_s16): Likewise.
        (vsubq_x_n_s32): Likewise.
        (vsubq_x_u8): Likewise.
        (vsubq_x_u16): Likewise.
        (vsubq_x_u32): Likewise.
        (vsubq_x_n_u8): Likewise.
        (vsubq_x_n_u16): Likewise.
        (vsubq_x_n_u32): Likewise.
        (vcaddq_rot90_x_s8): Likewise.
        (vcaddq_rot90_x_s16): Likewise.
        (vcaddq_rot90_x_s32): Likewise.
        (vcaddq_rot90_x_u8): Likewise.
        (vcaddq_rot90_x_u16): Likewise.
        (vcaddq_rot90_x_u32): Likewise.
        (vcaddq_rot270_x_s8): Likewise.
        (vcaddq_rot270_x_s16): Likewise.
        (vcaddq_rot270_x_s32): Likewise.
        (vcaddq_rot270_x_u8): Likewise.
        (vcaddq_rot270_x_u16): Likewise.
        (vcaddq_rot270_x_u32): Likewise.
        (vhaddq_x_n_s8): Likewise.
        (vhaddq_x_n_s16): Likewise.
        (vhaddq_x_n_s32): Likewise.
        (vhaddq_x_n_u8): Likewise.
        (vhaddq_x_n_u16): Likewise.
        (vhaddq_x_n_u32): Likewise.
        (vhaddq_x_s8): Likewise.
        (vhaddq_x_s16): Likewise.
        (vhaddq_x_s32): Likewise.
        (vhaddq_x_u8): Likewise.
        (vhaddq_x_u16): Likewise.
        (vhaddq_x_u32): Likewise.
        (vhcaddq_rot90_x_s8): Likewise.
        (vhcaddq_rot90_x_s16): Likewise.
        (vhcaddq_rot90_x_s32): Likewise.
        (vhcaddq_rot270_x_s8): Likewise.
        (vhcaddq_rot270_x_s16): Likewise.
        (vhcaddq_rot270_x_s32): Likewise.
        (vhsubq_x_n_s8): Likewise.
        (vhsubq_x_n_s16): Likewise.
        (vhsubq_x_n_s32): Likewise.
        (vhsubq_x_n_u8): Likewise.
        (vhsubq_x_n_u16): Likewise.
        (vhsubq_x_n_u32): Likewise.
        (vhsubq_x_s8): Likewise.
        (vhsubq_x_s16): Likewise.
        (vhsubq_x_s32): Likewise.
        (vhsubq_x_u8): Likewise.
        (vhsubq_x_u16): Likewise.
        (vhsubq_x_u32): Likewise.
        (vrhaddq_x_s8): Likewise.
        (vrhaddq_x_s16): Likewise.
        (vrhaddq_x_s32): Likewise.
        (vrhaddq_x_u8): Likewise.
        (vrhaddq_x_u16): Likewise.
        (vrhaddq_x_u32): Likewise.
        (vrmulhq_x_s8): Likewise.
        (vrmulhq_x_s16): Likewise.
        (vrmulhq_x_s32): Likewise.
        (vrmulhq_x_u8): Likewise.
        (vrmulhq_x_u16): Likewise.
        (vrmulhq_x_u32): Likewise.
        (vandq_x_s8): Likewise.
        (vandq_x_s16): Likewise.
        (vandq_x_s32): Likewise.
        (vandq_x_u8): Likewise.
        (vandq_x_u16): Likewise.
        (vandq_x_u32): Likewise.
        (vbicq_x_s8): Likewise.
        (vbicq_x_s16): Likewise.
        (vbicq_x_s32): Likewise.
        (vbicq_x_u8): Likewise.
        (vbicq_x_u16): Likewise.
        (vbicq_x_u32): Likewise.
        (vbrsrq_x_n_s8): Likewise.
        (vbrsrq_x_n_s16): Likewise.
        (vbrsrq_x_n_s32): Likewise.
        (vbrsrq_x_n_u8): Likewise.
        (vbrsrq_x_n_u16): Likewise.
        (vbrsrq_x_n_u32): Likewise.
        (veorq_x_s8): Likewise.
        (veorq_x_s16): Likewise.
        (veorq_x_s32): Likewise.
        (veorq_x_u8): Likewise.
        (veorq_x_u16): Likewise.
        (veorq_x_u32): Likewise.
        (vmovlbq_x_s8): Likewise.
        (vmovlbq_x_s16): Likewise.
        (vmovlbq_x_u8): Likewise.
        (vmovlbq_x_u16): Likewise.
        (vmovltq_x_s8): Likewise.
        (vmovltq_x_s16): Likewise.
        (vmovltq_x_u8): Likewise.
        (vmovltq_x_u16): Likewise.
        (vmvnq_x_s8): Likewise.
        (vmvnq_x_s16): Likewise.
        (vmvnq_x_s32): Likewise.
        (vmvnq_x_u8): Likewise.
        (vmvnq_x_u16): Likewise.
        (vmvnq_x_u32): Likewise.
        (vmvnq_x_n_s16): Likewise.
        (vmvnq_x_n_s32): Likewise.
        (vmvnq_x_n_u16): Likewise.
        (vmvnq_x_n_u32): Likewise.
        (vornq_x_s8): Likewise.
        (vornq_x_s16): Likewise.
        (vornq_x_s32): Likewise.
        (vornq_x_u8): Likewise.
        (vornq_x_u16): Likewise.
        (vornq_x_u32): Likewise.
        (vorrq_x_s8): Likewise.
        (vorrq_x_s16): Likewise.
        (vorrq_x_s32): Likewise.
        (vorrq_x_u8): Likewise.
        (vorrq_x_u16): Likewise.
        (vorrq_x_u32): Likewise.
        (vrev16q_x_s8): Likewise.
        (vrev16q_x_u8): Likewise.
        (vrev32q_x_s8): Likewise.
        (vrev32q_x_s16): Likewise.
        (vrev32q_x_u8): Likewise.
        (vrev32q_x_u16): Likewise.
        (vrev64q_x_s8): Likewise.
        (vrev64q_x_s16): Likewise.
        (vrev64q_x_s32): Likewise.
        (vrev64q_x_u8): Likewise.
        (vrev64q_x_u16): Likewise.
        (vrev64q_x_u32): Likewise.
        (vrshlq_x_s8): Likewise.
        (vrshlq_x_s16): Likewise.
        (vrshlq_x_s32): Likewise.
        (vrshlq_x_u8): Likewise.
        (vrshlq_x_u16): Likewise.
        (vrshlq_x_u32): Likewise.
        (vshllbq_x_n_s8): Likewise.
        (vshllbq_x_n_s16): Likewise.
        (vshllbq_x_n_u8): Likewise.
        (vshllbq_x_n_u16): Likewise.
        (vshlltq_x_n_s8): Likewise.
        (vshlltq_x_n_s16): Likewise.
        (vshlltq_x_n_u8): Likewise.
        (vshlltq_x_n_u16): Likewise.
        (vshlq_x_s8): Likewise.
        (vshlq_x_s16): Likewise.
        (vshlq_x_s32): Likewise.
        (vshlq_x_u8): Likewise.
        (vshlq_x_u16): Likewise.
        (vshlq_x_u32): Likewise.
        (vshlq_x_n_s8): Likewise.
        (vshlq_x_n_s16): Likewise.
        (vshlq_x_n_s32): Likewise.
        (vshlq_x_n_u8): Likewise.
        (vshlq_x_n_u16): Likewise.
        (vshlq_x_n_u32): Likewise.
        (vrshrq_x_n_s8): Likewise.
        (vrshrq_x_n_s16): Likewise.
        (vrshrq_x_n_s32): Likewise.
        (vrshrq_x_n_u8): Likewise.
        (vrshrq_x_n_u16): Likewise.
        (vrshrq_x_n_u32): Likewise.
        (vshrq_x_n_s8): Likewise.
        (vshrq_x_n_s16): Likewise.
        (vshrq_x_n_s32): Likewise.
        (vshrq_x_n_u8): Likewise.
        (vshrq_x_n_u16): Likewise.
        (vshrq_x_n_u32): Likewise.
        (vdupq_x_n_f16): Likewise.
        (vdupq_x_n_f32): Likewise.
        (vminnmq_x_f16): Likewise.
        (vminnmq_x_f32): Likewise.
        (vmaxnmq_x_f16): Likewise.
        (vmaxnmq_x_f32): Likewise.
        (vabdq_x_f16): Likewise.
        (vabdq_x_f32): Likewise.
        (vabsq_x_f16): Likewise.
        (vabsq_x_f32): Likewise.
        (vaddq_x_f16): Likewise.
        (vaddq_x_f32): Likewise.
        (vaddq_x_n_f16): Likewise.
        (vaddq_x_n_f32): Likewise.
        (vnegq_x_f16): Likewise.
        (vnegq_x_f32): Likewise.
        (vmulq_x_f16): Likewise.
        (vmulq_x_f32): Likewise.
        (vmulq_x_n_f16): Likewise.
        (vmulq_x_n_f32): Likewise.
        (vsubq_x_f16): Likewise.
        (vsubq_x_f32): Likewise.
        (vsubq_x_n_f16): Likewise.
        (vsubq_x_n_f32): Likewise.
        (vcaddq_rot90_x_f16): Likewise.
        (vcaddq_rot90_x_f32): Likewise.
        (vcaddq_rot270_x_f16): Likewise.
        (vcaddq_rot270_x_f32): Likewise.
        (vcmulq_x_f16): Likewise.
        (vcmulq_x_f32): Likewise.
        (vcmulq_rot90_x_f16): Likewise.
        (vcmulq_rot90_x_f32): Likewise.
        (vcmulq_rot180_x_f16): Likewise.
        (vcmulq_rot180_x_f32): Likewise.
        (vcmulq_rot270_x_f16): Likewise.
        (vcmulq_rot270_x_f32): Likewise.
        (vcvtaq_x_s16_f16): Likewise.
        (vcvtaq_x_s32_f32): Likewise.
        (vcvtaq_x_u16_f16): Likewise.
        (vcvtaq_x_u32_f32): Likewise.
        (vcvtnq_x_s16_f16): Likewise.
        (vcvtnq_x_s32_f32): Likewise.
        (vcvtnq_x_u16_f16): Likewise.
        (vcvtnq_x_u32_f32): Likewise.
        (vcvtpq_x_s16_f16): Likewise.
        (vcvtpq_x_s32_f32): Likewise.
        (vcvtpq_x_u16_f16): Likewise.
        (vcvtpq_x_u32_f32): Likewise.
        (vcvtmq_x_s16_f16): Likewise.
        (vcvtmq_x_s32_f32): Likewise.
        (vcvtmq_x_u16_f16): Likewise.
        (vcvtmq_x_u32_f32): Likewise.
        (vcvtbq_x_f32_f16): Likewise.
        (vcvttq_x_f32_f16): Likewise.
        (vcvtq_x_f16_u16): Likewise.
        (vcvtq_x_f16_s16): Likewise.
        (vcvtq_x_f32_s32): Likewise.
        (vcvtq_x_f32_u32): Likewise.
        (vcvtq_x_n_f16_s16): Likewise.
        (vcvtq_x_n_f16_u16): Likewise.
        (vcvtq_x_n_f32_s32): Likewise.
        (vcvtq_x_n_f32_u32): Likewise.
        (vcvtq_x_s16_f16): Likewise.
        (vcvtq_x_s32_f32): Likewise.
        (vcvtq_x_u16_f16): Likewise.
        (vcvtq_x_u32_f32): Likewise.
        (vcvtq_x_n_s16_f16): Likewise.
        (vcvtq_x_n_s32_f32): Likewise.
        (vcvtq_x_n_u16_f16): Likewise.
        (vcvtq_x_n_u32_f32): Likewise.
        (vrndq_x_f16): Likewise.
        (vrndq_x_f32): Likewise.
        (vrndnq_x_f16): Likewise.
        (vrndnq_x_f32): Likewise.
        (vrndmq_x_f16): Likewise.
        (vrndmq_x_f32): Likewise.
        (vrndpq_x_f16): Likewise.
        (vrndpq_x_f32): Likewise.
        (vrndaq_x_f16): Likewise.
        (vrndaq_x_f32): Likewise.
        (vrndxq_x_f16): Likewise.
        (vrndxq_x_f32): Likewise.
        (vandq_x_f16): Likewise.
        (vandq_x_f32): Likewise.
        (vbicq_x_f16): Likewise.
        (vbicq_x_f32): Likewise.
        (vbrsrq_x_n_f16): Likewise.
        (vbrsrq_x_n_f32): Likewise.
        (veorq_x_f16): Likewise.
        (veorq_x_f32): Likewise.
        (vornq_x_f16): Likewise.
        (vornq_x_f32): Likewise.
        (vorrq_x_f16): Likewise.
        (vorrq_x_f32): Likewise.
        (vrev32q_x_f16): Likewise.
        (vrev64q_x_f16): Likewise.
        (vrev64q_x_f32): Likewise.
        (__arm_vddupq_x_n_u8): Define intrinsic.
        (__arm_vddupq_x_n_u16): Likewise.
        (__arm_vddupq_x_n_u32): Likewise.
        (__arm_vddupq_x_wb_u8): Likewise.
        (__arm_vddupq_x_wb_u16): Likewise.
        (__arm_vddupq_x_wb_u32): Likewise.
        (__arm_vdwdupq_x_n_u8): Likewise.
        (__arm_vdwdupq_x_n_u16): Likewise.
        (__arm_vdwdupq_x_n_u32): Likewise.
        (__arm_vdwdupq_x_wb_u8): Likewise.
        (__arm_vdwdupq_x_wb_u16): Likewise.
        (__arm_vdwdupq_x_wb_u32): Likewise.
        (__arm_vidupq_x_n_u8): Likewise.
        (__arm_vidupq_x_n_u16): Likewise.
        (__arm_vidupq_x_n_u32): Likewise.
        (__arm_vidupq_x_wb_u8): Likewise.
        (__arm_vidupq_x_wb_u16): Likewise.
        (__arm_vidupq_x_wb_u32): Likewise.
        (__arm_viwdupq_x_n_u8): Likewise.
        (__arm_viwdupq_x_n_u16): Likewise.
        (__arm_viwdupq_x_n_u32): Likewise.
        (__arm_viwdupq_x_wb_u8): Likewise.
        (__arm_viwdupq_x_wb_u16): Likewise.
        (__arm_viwdupq_x_wb_u32): Likewise.
        (__arm_vdupq_x_n_s8): Likewise.
        (__arm_vdupq_x_n_s16): Likewise.
        (__arm_vdupq_x_n_s32): Likewise.
        (__arm_vdupq_x_n_u8): Likewise.
        (__arm_vdupq_x_n_u16): Likewise.
        (__arm_vdupq_x_n_u32): Likewise.
        (__arm_vminq_x_s8): Likewise.
        (__arm_vminq_x_s16): Likewise.
        (__arm_vminq_x_s32): Likewise.
        (__arm_vminq_x_u8): Likewise.
        (__arm_vminq_x_u16): Likewise.
        (__arm_vminq_x_u32): Likewise.
        (__arm_vmaxq_x_s8): Likewise.
        (__arm_vmaxq_x_s16): Likewise.
        (__arm_vmaxq_x_s32): Likewise.
        (__arm_vmaxq_x_u8): Likewise.
        (__arm_vmaxq_x_u16): Likewise.
        (__arm_vmaxq_x_u32): Likewise.
        (__arm_vabdq_x_s8): Likewise.
        (__arm_vabdq_x_s16): Likewise.
        (__arm_vabdq_x_s32): Likewise.
        (__arm_vabdq_x_u8): Likewise.
        (__arm_vabdq_x_u16): Likewise.
        (__arm_vabdq_x_u32): Likewise.
        (__arm_vabsq_x_s8): Likewise.
        (__arm_vabsq_x_s16): Likewise.
        (__arm_vabsq_x_s32): Likewise.
        (__arm_vaddq_x_s8): Likewise.
        (__arm_vaddq_x_s16): Likewise.
        (__arm_vaddq_x_s32): Likewise.
        (__arm_vaddq_x_n_s8): Likewise.
        (__arm_vaddq_x_n_s16): Likewise.
        (__arm_vaddq_x_n_s32): Likewise.
        (__arm_vaddq_x_u8): Likewise.
        (__arm_vaddq_x_u16): Likewise.
        (__arm_vaddq_x_u32): Likewise.
        (__arm_vaddq_x_n_u8): Likewise.
        (__arm_vaddq_x_n_u16): Likewise.
        (__arm_vaddq_x_n_u32): Likewise.
        (__arm_vclsq_x_s8): Likewise.
        (__arm_vclsq_x_s16): Likewise.
        (__arm_vclsq_x_s32): Likewise.
        (__arm_vclzq_x_s8): Likewise.
        (__arm_vclzq_x_s16): Likewise.
        (__arm_vclzq_x_s32): Likewise.
        (__arm_vclzq_x_u8): Likewise.
        (__arm_vclzq_x_u16): Likewise.
        (__arm_vclzq_x_u32): Likewise.
        (__arm_vnegq_x_s8): Likewise.
        (__arm_vnegq_x_s16): Likewise.
        (__arm_vnegq_x_s32): Likewise.
        (__arm_vmulhq_x_s8): Likewise.
        (__arm_vmulhq_x_s16): Likewise.
        (__arm_vmulhq_x_s32): Likewise.
        (__arm_vmulhq_x_u8): Likewise.
        (__arm_vmulhq_x_u16): Likewise.
        (__arm_vmulhq_x_u32): Likewise.
        (__arm_vmullbq_poly_x_p8): Likewise.
        (__arm_vmullbq_poly_x_p16): Likewise.
        (__arm_vmullbq_int_x_s8): Likewise.
        (__arm_vmullbq_int_x_s16): Likewise.
        (__arm_vmullbq_int_x_s32): Likewise.
        (__arm_vmullbq_int_x_u8): Likewise.
        (__arm_vmullbq_int_x_u16): Likewise.
        (__arm_vmullbq_int_x_u32): Likewise.
        (__arm_vmulltq_poly_x_p8): Likewise.
        (__arm_vmulltq_poly_x_p16): Likewise.
        (__arm_vmulltq_int_x_s8): Likewise.
        (__arm_vmulltq_int_x_s16): Likewise.
        (__arm_vmulltq_int_x_s32): Likewise.
        (__arm_vmulltq_int_x_u8): Likewise.
        (__arm_vmulltq_int_x_u16): Likewise.
        (__arm_vmulltq_int_x_u32): Likewise.
        (__arm_vmulq_x_s8): Likewise.
        (__arm_vmulq_x_s16): Likewise.
        (__arm_vmulq_x_s32): Likewise.
        (__arm_vmulq_x_n_s8): Likewise.
        (__arm_vmulq_x_n_s16): Likewise.
        (__arm_vmulq_x_n_s32): Likewise.
        (__arm_vmulq_x_u8): Likewise.
        (__arm_vmulq_x_u16): Likewise.
        (__arm_vmulq_x_u32): Likewise.
        (__arm_vmulq_x_n_u8): Likewise.
        (__arm_vmulq_x_n_u16): Likewise.
        (__arm_vmulq_x_n_u32): Likewise.
        (__arm_vsubq_x_s8): Likewise.
        (__arm_vsubq_x_s16): Likewise.
        (__arm_vsubq_x_s32): Likewise.
        (__arm_vsubq_x_n_s8): Likewise.
        (__arm_vsubq_x_n_s16): Likewise.
        (__arm_vsubq_x_n_s32): Likewise.
        (__arm_vsubq_x_u8): Likewise.
        (__arm_vsubq_x_u16): Likewise.
        (__arm_vsubq_x_u32): Likewise.
        (__arm_vsubq_x_n_u8): Likewise.
        (__arm_vsubq_x_n_u16): Likewise.
        (__arm_vsubq_x_n_u32): Likewise.
        (__arm_vcaddq_rot90_x_s8): Likewise.
        (__arm_vcaddq_rot90_x_s16): Likewise.
        (__arm_vcaddq_rot90_x_s32): Likewise.
        (__arm_vcaddq_rot90_x_u8): Likewise.
        (__arm_vcaddq_rot90_x_u16): Likewise.
        (__arm_vcaddq_rot90_x_u32): Likewise.
        (__arm_vcaddq_rot270_x_s8): Likewise.
        (__arm_vcaddq_rot270_x_s16): Likewise.
        (__arm_vcaddq_rot270_x_s32): Likewise.
        (__arm_vcaddq_rot270_x_u8): Likewise.
        (__arm_vcaddq_rot270_x_u16): Likewise.
        (__arm_vcaddq_rot270_x_u32): Likewise.
        (__arm_vhaddq_x_n_s8): Likewise.
        (__arm_vhaddq_x_n_s16): Likewise.
        (__arm_vhaddq_x_n_s32): Likewise.
        (__arm_vhaddq_x_n_u8): Likewise.
        (__arm_vhaddq_x_n_u16): Likewise.
        (__arm_vhaddq_x_n_u32): Likewise.
        (__arm_vhaddq_x_s8): Likewise.
        (__arm_vhaddq_x_s16): Likewise.
        (__arm_vhaddq_x_s32): Likewise.
        (__arm_vhaddq_x_u8): Likewise.
        (__arm_vhaddq_x_u16): Likewise.
        (__arm_vhaddq_x_u32): Likewise.
        (__arm_vhcaddq_rot90_x_s8): Likewise.
        (__arm_vhcaddq_rot90_x_s16): Likewise.
        (__arm_vhcaddq_rot90_x_s32): Likewise.
        (__arm_vhcaddq_rot270_x_s8): Likewise.
        (__arm_vhcaddq_rot270_x_s16): Likewise.
        (__arm_vhcaddq_rot270_x_s32): Likewise.
        (__arm_vhsubq_x_n_s8): Likewise.
        (__arm_vhsubq_x_n_s16): Likewise.
        (__arm_vhsubq_x_n_s32): Likewise.
        (__arm_vhsubq_x_n_u8): Likewise.
        (__arm_vhsubq_x_n_u16): Likewise.
        (__arm_vhsubq_x_n_u32): Likewise.
        (__arm_vhsubq_x_s8): Likewise.
        (__arm_vhsubq_x_s16): Likewise.
        (__arm_vhsubq_x_s32): Likewise.
        (__arm_vhsubq_x_u8): Likewise.
        (__arm_vhsubq_x_u16): Likewise.
        (__arm_vhsubq_x_u32): Likewise.
        (__arm_vrhaddq_x_s8): Likewise.
        (__arm_vrhaddq_x_s16): Likewise.
        (__arm_vrhaddq_x_s32): Likewise.
        (__arm_vrhaddq_x_u8): Likewise.
        (__arm_vrhaddq_x_u16): Likewise.
        (__arm_vrhaddq_x_u32): Likewise.
        (__arm_vrmulhq_x_s8): Likewise.
        (__arm_vrmulhq_x_s16): Likewise.
        (__arm_vrmulhq_x_s32): Likewise.
        (__arm_vrmulhq_x_u8): Likewise.
        (__arm_vrmulhq_x_u16): Likewise.
        (__arm_vrmulhq_x_u32): Likewise.
        (__arm_vandq_x_s8): Likewise.
        (__arm_vandq_x_s16): Likewise.
        (__arm_vandq_x_s32): Likewise.
        (__arm_vandq_x_u8): Likewise.
        (__arm_vandq_x_u16): Likewise.
        (__arm_vandq_x_u32): Likewise.
        (__arm_vbicq_x_s8): Likewise.
        (__arm_vbicq_x_s16): Likewise.
        (__arm_vbicq_x_s32): Likewise.
        (__arm_vbicq_x_u8): Likewise.
        (__arm_vbicq_x_u16): Likewise.
        (__arm_vbicq_x_u32): Likewise.
        (__arm_vbrsrq_x_n_s8): Likewise.
        (__arm_vbrsrq_x_n_s16): Likewise.
        (__arm_vbrsrq_x_n_s32): Likewise.
        (__arm_vbrsrq_x_n_u8): Likewise.
        (__arm_vbrsrq_x_n_u16): Likewise.
        (__arm_vbrsrq_x_n_u32): Likewise.
        (__arm_veorq_x_s8): Likewise.
        (__arm_veorq_x_s16): Likewise.
        (__arm_veorq_x_s32): Likewise.
        (__arm_veorq_x_u8): Likewise.
        (__arm_veorq_x_u16): Likewise.
        (__arm_veorq_x_u32): Likewise.
        (__arm_vmovlbq_x_s8): Likewise.
        (__arm_vmovlbq_x_s16): Likewise.
        (__arm_vmovlbq_x_u8): Likewise.
        (__arm_vmovlbq_x_u16): Likewise.
        (__arm_vmovltq_x_s8): Likewise.
        (__arm_vmovltq_x_s16): Likewise.
        (__arm_vmovltq_x_u8): Likewise.
        (__arm_vmovltq_x_u16): Likewise.
        (__arm_vmvnq_x_s8): Likewise.
        (__arm_vmvnq_x_s16): Likewise.
        (__arm_vmvnq_x_s32): Likewise.
        (__arm_vmvnq_x_u8): Likewise.
        (__arm_vmvnq_x_u16): Likewise.
        (__arm_vmvnq_x_u32): Likewise.
        (__arm_vmvnq_x_n_s16): Likewise.
        (__arm_vmvnq_x_n_s32): Likewise.
        (__arm_vmvnq_x_n_u16): Likewise.
        (__arm_vmvnq_x_n_u32): Likewise.
        (__arm_vornq_x_s8): Likewise.
        (__arm_vornq_x_s16): Likewise.
        (__arm_vornq_x_s32): Likewise.
        (__arm_vornq_x_u8): Likewise.
        (__arm_vornq_x_u16): Likewise.
        (__arm_vornq_x_u32): Likewise.
        (__arm_vorrq_x_s8): Likewise.
        (__arm_vorrq_x_s16): Likewise.
        (__arm_vorrq_x_s32): Likewise.
        (__arm_vorrq_x_u8): Likewise.
        (__arm_vorrq_x_u16): Likewise.
        (__arm_vorrq_x_u32): Likewise.
        (__arm_vrev16q_x_s8): Likewise.
        (__arm_vrev16q_x_u8): Likewise.
        (__arm_vrev32q_x_s8): Likewise.
        (__arm_vrev32q_x_s16): Likewise.
        (__arm_vrev32q_x_u8): Likewise.
        (__arm_vrev32q_x_u16): Likewise.
        (__arm_vrev64q_x_s8): Likewise.
        (__arm_vrev64q_x_s16): Likewise.
        (__arm_vrev64q_x_s32): Likewise.
        (__arm_vrev64q_x_u8): Likewise.
        (__arm_vrev64q_x_u16): Likewise.
        (__arm_vrev64q_x_u32): Likewise.
        (__arm_vrshlq_x_s8): Likewise.
        (__arm_vrshlq_x_s16): Likewise.
        (__arm_vrshlq_x_s32): Likewise.
        (__arm_vrshlq_x_u8): Likewise.
        (__arm_vrshlq_x_u16): Likewise.
        (__arm_vrshlq_x_u32): Likewise.
        (__arm_vshllbq_x_n_s8): Likewise.
        (__arm_vshllbq_x_n_s16): Likewise.
        (__arm_vshllbq_x_n_u8): Likewise.
        (__arm_vshllbq_x_n_u16): Likewise.
        (__arm_vshlltq_x_n_s8): Likewise.
        (__arm_vshlltq_x_n_s16): Likewise.
        (__arm_vshlltq_x_n_u8): Likewise.
        (__arm_vshlltq_x_n_u16): Likewise.
        (__arm_vshlq_x_s8): Likewise.
        (__arm_vshlq_x_s16): Likewise.
        (__arm_vshlq_x_s32): Likewise.
        (__arm_vshlq_x_u8): Likewise.
        (__arm_vshlq_x_u16): Likewise.
        (__arm_vshlq_x_u32): Likewise.
        (__arm_vshlq_x_n_s8): Likewise.
        (__arm_vshlq_x_n_s16): Likewise.
        (__arm_vshlq_x_n_s32): Likewise.
        (__arm_vshlq_x_n_u8): Likewise.
        (__arm_vshlq_x_n_u16): Likewise.
        (__arm_vshlq_x_n_u32): Likewise.
        (__arm_vrshrq_x_n_s8): Likewise.
        (__arm_vrshrq_x_n_s16): Likewise.
        (__arm_vrshrq_x_n_s32): Likewise.
        (__arm_vrshrq_x_n_u8): Likewise.
        (__arm_vrshrq_x_n_u16): Likewise.
        (__arm_vrshrq_x_n_u32): Likewise.
        (__arm_vshrq_x_n_s8): Likewise.
        (__arm_vshrq_x_n_s16): Likewise.
        (__arm_vshrq_x_n_s32): Likewise.
        (__arm_vshrq_x_n_u8): Likewise.
        (__arm_vshrq_x_n_u16): Likewise.
        (__arm_vshrq_x_n_u32): Likewise.
        (__arm_vdupq_x_n_f16): Likewise.
        (__arm_vdupq_x_n_f32): Likewise.
        (__arm_vminnmq_x_f16): Likewise.
        (__arm_vminnmq_x_f32): Likewise.
        (__arm_vmaxnmq_x_f16): Likewise.
        (__arm_vmaxnmq_x_f32): Likewise.
        (__arm_vabdq_x_f16): Likewise.
        (__arm_vabdq_x_f32): Likewise.
        (__arm_vabsq_x_f16): Likewise.
        (__arm_vabsq_x_f32): Likewise.
        (__arm_vaddq_x_f16): Likewise.
        (__arm_vaddq_x_f32): Likewise.
        (__arm_vaddq_x_n_f16): Likewise.
        (__arm_vaddq_x_n_f32): Likewise.
        (__arm_vnegq_x_f16): Likewise.
        (__arm_vnegq_x_f32): Likewise.
        (__arm_vmulq_x_f16): Likewise.
        (__arm_vmulq_x_f32): Likewise.
        (__arm_vmulq_x_n_f16): Likewise.
        (__arm_vmulq_x_n_f32): Likewise.
        (__arm_vsubq_x_f16): Likewise.
        (__arm_vsubq_x_f32): Likewise.
        (__arm_vsubq_x_n_f16): Likewise.
        (__arm_vsubq_x_n_f32): Likewise.
        (__arm_vcaddq_rot90_x_f16): Likewise.
        (__arm_vcaddq_rot90_x_f32): Likewise.
        (__arm_vcaddq_rot270_x_f16): Likewise.
        (__arm_vcaddq_rot270_x_f32): Likewise.
        (__arm_vcmulq_x_f16): Likewise.
        (__arm_vcmulq_x_f32): Likewise.
        (__arm_vcmulq_rot90_x_f16): Likewise.
        (__arm_vcmulq_rot90_x_f32): Likewise.
        (__arm_vcmulq_rot180_x_f16): Likewise.
        (__arm_vcmulq_rot180_x_f32): Likewise.
        (__arm_vcmulq_rot270_x_f16): Likewise.
        (__arm_vcmulq_rot270_x_f32): Likewise.
        (__arm_vcvtaq_x_s16_f16): Likewise.
        (__arm_vcvtaq_x_s32_f32): Likewise.
        (__arm_vcvtaq_x_u16_f16): Likewise.
        (__arm_vcvtaq_x_u32_f32): Likewise.
        (__arm_vcvtnq_x_s16_f16): Likewise.
        (__arm_vcvtnq_x_s32_f32): Likewise.
        (__arm_vcvtnq_x_u16_f16): Likewise.
        (__arm_vcvtnq_x_u32_f32): Likewise.
        (__arm_vcvtpq_x_s16_f16): Likewise.
        (__arm_vcvtpq_x_s32_f32): Likewise.
        (__arm_vcvtpq_x_u16_f16): Likewise.
        (__arm_vcvtpq_x_u32_f32): Likewise.
        (__arm_vcvtmq_x_s16_f16): Likewise.
        (__arm_vcvtmq_x_s32_f32): Likewise.
        (__arm_vcvtmq_x_u16_f16): Likewise.
        (__arm_vcvtmq_x_u32_f32): Likewise.
        (__arm_vcvtbq_x_f32_f16): Likewise.
        (__arm_vcvttq_x_f32_f16): Likewise.
        (__arm_vcvtq_x_f16_u16): Likewise.
        (__arm_vcvtq_x_f16_s16): Likewise.
        (__arm_vcvtq_x_f32_s32): Likewise.
        (__arm_vcvtq_x_f32_u32): Likewise.
        (__arm_vcvtq_x_n_f16_s16): Likewise.
        (__arm_vcvtq_x_n_f16_u16): Likewise.
        (__arm_vcvtq_x_n_f32_s32): Likewise.
        (__arm_vcvtq_x_n_f32_u32): Likewise.
        (__arm_vcvtq_x_s16_f16): Likewise.
        (__arm_vcvtq_x_s32_f32): Likewise.
        (__arm_vcvtq_x_u16_f16): Likewise.
        (__arm_vcvtq_x_u32_f32): Likewise.
        (__arm_vcvtq_x_n_s16_f16): Likewise.
        (__arm_vcvtq_x_n_s32_f32): Likewise.
        (__arm_vcvtq_x_n_u16_f16): Likewise.
        (__arm_vcvtq_x_n_u32_f32): Likewise.
        (__arm_vrndq_x_f16): Likewise.
        (__arm_vrndq_x_f32): Likewise.
        (__arm_vrndnq_x_f16): Likewise.
        (__arm_vrndnq_x_f32): Likewise.
        (__arm_vrndmq_x_f16): Likewise.
        (__arm_vrndmq_x_f32): Likewise.
        (__arm_vrndpq_x_f16): Likewise.
        (__arm_vrndpq_x_f32): Likewise.
        (__arm_vrndaq_x_f16): Likewise.
        (__arm_vrndaq_x_f32): Likewise.
        (__arm_vrndxq_x_f16): Likewise.
        (__arm_vrndxq_x_f32): Likewise.
        (__arm_vandq_x_f16): Likewise.
        (__arm_vandq_x_f32): Likewise.
        (__arm_vbicq_x_f16): Likewise.
        (__arm_vbicq_x_f32): Likewise.
        (__arm_vbrsrq_x_n_f16): Likewise.
        (__arm_vbrsrq_x_n_f32): Likewise.
        (__arm_veorq_x_f16): Likewise.
        (__arm_veorq_x_f32): Likewise.
        (__arm_vornq_x_f16): Likewise.
        (__arm_vornq_x_f32): Likewise.
        (__arm_vorrq_x_f16): Likewise.
        (__arm_vorrq_x_f32): Likewise.
        (__arm_vrev32q_x_f16): Likewise.
        (__arm_vrev64q_x_f16): Likewise.
        (__arm_vrev64q_x_f32): Likewise.
        (vabdq_x): Define polymorphic variant.
        (vabsq_x): Likewise.
        (vaddq_x): Likewise.
        (vandq_x): Likewise.
        (vbicq_x): Likewise.
        (vbrsrq_x): Likewise.
        (vcaddq_rot270_x): Likewise.
        (vcaddq_rot90_x): Likewise.
        (vcmulq_rot180_x): Likewise.
        (vcmulq_rot270_x): Likewise.
        (vcmulq_x): Likewise.
        (vcvtq_x): Likewise.
        (vcvtq_x_n): Likewise.
        (vcvtnq_m): Likewise.
        (veorq_x): Likewise.
        (vmaxnmq_x): Likewise.
        (vminnmq_x): Likewise.
        (vmulq_x): Likewise.
        (vnegq_x): Likewise.
        (vornq_x): Likewise.
        (vorrq_x): Likewise.
        (vrev32q_x): Likewise.
        (vrev64q_x): Likewise.
        (vrndaq_x): Likewise.
        (vrndmq_x): Likewise.
        (vrndnq_x): Likewise.
        (vrndpq_x): Likewise.
        (vrndq_x): Likewise.
        (vrndxq_x): Likewise.
        (vsubq_x): Likewise.
        (vcmulq_rot90_x): Likewise.
        (vadciq): Likewise.
        (vclsq_x): Likewise.
        (vclzq_x): Likewise.
        (vhaddq_x): Likewise.
        (vhcaddq_rot270_x): Likewise.
        (vhcaddq_rot90_x): Likewise.
        (vhsubq_x): Likewise.
        (vmaxq_x): Likewise.
        (vminq_x): Likewise.
        (vmovlbq_x): Likewise.
        (vmovltq_x): Likewise.
        (vmulhq_x): Likewise.
        (vmullbq_int_x): Likewise.
        (vmullbq_poly_x): Likewise.
        (vmulltq_int_x): Likewise.
        (vmulltq_poly_x): Likewise.
        (vmvnq_x): Likewise.
        (vrev16q_x): Likewise.
        (vrhaddq_x): Likewise.
        (vrmulhq_x): Likewise.
        (vrshlq_x): Likewise.
        (vrshrq_x): Likewise.
        (vshllbq_x): Likewise.
        (vshlltq_x): Likewise.
        (vshlq_x_n): Likewise.
        (vshlq_x): Likewise.
        (vdwdupq_x_u8): Likewise.
        (vdwdupq_x_u16): Likewise.
        (vdwdupq_x_u32): Likewise.
        (viwdupq_x_u8): Likewise.
        (viwdupq_x_u16): Likewise.
        (viwdupq_x_u32): Likewise.
        (vidupq_x_u8): Likewise.
        (vddupq_x_u8): Likewise.
        (vidupq_x_u16): Likewise.
        (vddupq_x_u16): Likewise.
        (vidupq_x_u32): Likewise.
        (vddupq_x_u32): Likewise.
        (vshrq_x): Likewise.

2020-03-20  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_analyze_slp_instance): Push the stmts
        to vectorize for CTOR defs.

2020-03-20  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
            Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>

        * config/arm/arm-builtins.c (LDRGBWBS_QUALIFIERS): Define builtin
        qualifier.
        (LDRGBWBU_QUALIFIERS): Likewise.
        (LDRGBWBS_Z_QUALIFIERS): Likewise.
        (LDRGBWBU_Z_QUALIFIERS): Likewise.
        (STRSBWBS_QUALIFIERS): Likewise.
        (STRSBWBU_QUALIFIERS): Likewise.
        (STRSBWBS_P_QUALIFIERS): Likewise.
        (STRSBWBU_P_QUALIFIERS): Likewise.
        * config/arm/arm_mve.h (vldrdq_gather_base_wb_s64): Define macro.
        (vldrdq_gather_base_wb_u64): Likewise.
        (vldrdq_gather_base_wb_z_s64): Likewise.
        (vldrdq_gather_base_wb_z_u64): Likewise.
        (vldrwq_gather_base_wb_f32): Likewise.
        (vldrwq_gather_base_wb_s32): Likewise.
        (vldrwq_gather_base_wb_u32): Likewise.
        (vldrwq_gather_base_wb_z_f32): Likewise.
        (vldrwq_gather_base_wb_z_s32): Likewise.
        (vldrwq_gather_base_wb_z_u32): Likewise.
        (vstrdq_scatter_base_wb_p_s64): Likewise.
        (vstrdq_scatter_base_wb_p_u64): Likewise.
        (vstrdq_scatter_base_wb_s64): Likewise.
        (vstrdq_scatter_base_wb_u64): Likewise.
        (vstrwq_scatter_base_wb_p_s32): Likewise.
        (vstrwq_scatter_base_wb_p_f32): Likewise.
        (vstrwq_scatter_base_wb_p_u32): Likewise.
        (vstrwq_scatter_base_wb_s32): Likewise.
        (vstrwq_scatter_base_wb_u32): Likewise.
        (vstrwq_scatter_base_wb_f32): Likewise.
        (__arm_vldrdq_gather_base_wb_s64): Define intrinsic.
        (__arm_vldrdq_gather_base_wb_u64): Likewise.
        (__arm_vldrdq_gather_base_wb_z_s64): Likewise.
        (__arm_vldrdq_gather_base_wb_z_u64): Likewise.
        (__arm_vldrwq_gather_base_wb_s32): Likewise.
        (__arm_vldrwq_gather_base_wb_u32): Likewise.
        (__arm_vldrwq_gather_base_wb_z_s32): Likewise.
        (__arm_vldrwq_gather_base_wb_z_u32): Likewise.
        (__arm_vstrdq_scatter_base_wb_s64): Likewise.
        (__arm_vstrdq_scatter_base_wb_u64): Likewise.
        (__arm_vstrdq_scatter_base_wb_p_s64): Likewise.
        (__arm_vstrdq_scatter_base_wb_p_u64): Likewise.
        (__arm_vstrwq_scatter_base_wb_p_s32): Likewise.
        (__arm_vstrwq_scatter_base_wb_p_u32): Likewise.
        (__arm_vstrwq_scatter_base_wb_s32): Likewise.
        (__arm_vstrwq_scatter_base_wb_u32): Likewise.
        (__arm_vldrwq_gather_base_wb_f32): Likewise.
        (__arm_vldrwq_gather_base_wb_z_f32): Likewise.
        (__arm_vstrwq_scatter_base_wb_f32): Likewise.
        (__arm_vstrwq_scatter_base_wb_p_f32): Likewise.
        (vstrwq_scatter_base_wb): Define polymorphic variant.
        (vstrwq_scatter_base_wb_p): Likewise.
        (vstrdq_scatter_base_wb_p): Likewise.
        (vstrdq_scatter_base_wb): Likewise.
        * config/arm/arm_mve_builtins.def (LDRGBWBS_QUALIFIERS): Use builtin
        qualifier.
        * config/arm/mve.md (mve_vstrwq_scatter_base_wb_<supf>v4si): Define RTL
        pattern.
        (mve_vstrwq_scatter_base_wb_add_<supf>v4si): Likewise.
        (mve_vstrwq_scatter_base_wb_<supf>v4si_insn): Likewise.
        (mve_vstrwq_scatter_base_wb_p_<supf>v4si): Likewise.
        (mve_vstrwq_scatter_base_wb_p_add_<supf>v4si): Likewise.
        (mve_vstrwq_scatter_base_wb_p_<supf>v4si_insn): Likewise.
        (mve_vstrwq_scatter_base_wb_fv4sf): Likewise.
        (mve_vstrwq_scatter_base_wb_add_fv4sf): Likewise.
        (mve_vstrwq_scatter_base_wb_fv4sf_insn): Likewise.
        (mve_vstrwq_scatter_base_wb_p_fv4sf): Likewise.
        (mve_vstrwq_scatter_base_wb_p_add_fv4sf): Likewise.
        (mve_vstrwq_scatter_base_wb_p_fv4sf_insn): Likewise.
        (mve_vstrdq_scatter_base_wb_<supf>v2di): Likewise.
        (mve_vstrdq_scatter_base_wb_add_<supf>v2di): Likewise.
        (mve_vstrdq_scatter_base_wb_<supf>v2di_insn): Likewise.
        (mve_vstrdq_scatter_base_wb_p_<supf>v2di): Likewise.
        (mve_vstrdq_scatter_base_wb_p_add_<supf>v2di): Likewise.
        (mve_vstrdq_scatter_base_wb_p_<supf>v2di_insn): Likewise.
        (mve_vldrwq_gather_base_wb_<supf>v4si): Likewise.
        (mve_vldrwq_gather_base_wb_<supf>v4si_insn): Likewise.
        (mve_vldrwq_gather_base_wb_z_<supf>v4si): Likewise.
        (mve_vldrwq_gather_base_wb_z_<supf>v4si_insn): Likewise.
        (mve_vldrwq_gather_base_wb_fv4sf): Likewise.
        (mve_vldrwq_gather_base_wb_fv4sf_insn): Likewise.
        (mve_vldrwq_gather_base_wb_z_fv4sf): Likewise.
        (mve_vldrwq_gather_base_wb_z_fv4sf_insn): Likewise.
        (mve_vldrdq_gather_base_wb_<supf>v2di): Likewise.
        (mve_vldrdq_gather_base_wb_<supf>v2di_insn): Likewise.
        (mve_vldrdq_gather_base_wb_z_<supf>v2di): Likewise.
        (mve_vldrdq_gather_base_wb_z_<supf>v2di_insn): Likewise.

2020-03-20  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
            Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>

        * config/arm/arm-builtins.c
        (QUINOP_UNONE_UNONE_UNONE_UNONE_IMM_UNONE_QUALIFIERS): Define quinary
        builtin qualifier.
        * config/arm/arm_mve.h (vddupq_m_n_u8): Define macro.
        (vddupq_m_n_u32): Likewise.
        (vddupq_m_n_u16): Likewise.
        (vddupq_m_wb_u8): Likewise.
        (vddupq_m_wb_u16): Likewise.
        (vddupq_m_wb_u32): Likewise.
        (vddupq_n_u8): Likewise.
        (vddupq_n_u32): Likewise.
        (vddupq_n_u16): Likewise.
        (vddupq_wb_u8): Likewise.
        (vddupq_wb_u16): Likewise.
        (vddupq_wb_u32): Likewise.
        (vdwdupq_m_n_u8): Likewise.
        (vdwdupq_m_n_u32): Likewise.
        (vdwdupq_m_n_u16): Likewise.
        (vdwdupq_m_wb_u8): Likewise.
        (vdwdupq_m_wb_u32): Likewise.
        (vdwdupq_m_wb_u16): Likewise.
        (vdwdupq_n_u8): Likewise.
        (vdwdupq_n_u32): Likewise.
        (vdwdupq_n_u16): Likewise.
        (vdwdupq_wb_u8): Likewise.
        (vdwdupq_wb_u32): Likewise.
        (vdwdupq_wb_u16): Likewise.
        (vidupq_m_n_u8): Likewise.
        (vidupq_m_n_u32): Likewise.
        (vidupq_m_n_u16): Likewise.
        (vidupq_m_wb_u8): Likewise.
        (vidupq_m_wb_u16): Likewise.
        (vidupq_m_wb_u32): Likewise.
        (vidupq_n_u8): Likewise.
        (vidupq_n_u32): Likewise.
        (vidupq_n_u16): Likewise.
        (vidupq_wb_u8): Likewise.
        (vidupq_wb_u16): Likewise.
        (vidupq_wb_u32): Likewise.
        (viwdupq_m_n_u8): Likewise.
        (viwdupq_m_n_u32): Likewise.
        (viwdupq_m_n_u16): Likewise.
        (viwdupq_m_wb_u8): Likewise.
        (viwdupq_m_wb_u32): Likewise.
        (viwdupq_m_wb_u16): Likewise.
        (viwdupq_n_u8): Likewise.
        (viwdupq_n_u32): Likewise.
        (viwdupq_n_u16): Likewise.
        (viwdupq_wb_u8): Likewise.
        (viwdupq_wb_u32): Likewise.
        (viwdupq_wb_u16): Likewise.
        (__arm_vddupq_m_n_u8): Define intrinsic.
        (__arm_vddupq_m_n_u32): Likewise.
        (__arm_vddupq_m_n_u16): Likewise.
        (__arm_vddupq_m_wb_u8): Likewise.
        (__arm_vddupq_m_wb_u16): Likewise.
        (__arm_vddupq_m_wb_u32): Likewise.
        (__arm_vddupq_n_u8): Likewise.
        (__arm_vddupq_n_u32): Likewise.
        (__arm_vddupq_n_u16): Likewise.
        (__arm_vdwdupq_m_n_u8): Likewise.
        (__arm_vdwdupq_m_n_u32): Likewise.
        (__arm_vdwdupq_m_n_u16): Likewise.
        (__arm_vdwdupq_m_wb_u8): Likewise.
        (__arm_vdwdupq_m_wb_u32): Likewise.
        (__arm_vdwdupq_m_wb_u16): Likewise.
        (__arm_vdwdupq_n_u8): Likewise.
        (__arm_vdwdupq_n_u32): Likewise.
        (__arm_vdwdupq_n_u16): Likewise.
        (__arm_vdwdupq_wb_u8): Likewise.
        (__arm_vdwdupq_wb_u32): Likewise.
        (__arm_vdwdupq_wb_u16): Likewise.
        (__arm_vidupq_m_n_u8): Likewise.
        (__arm_vidupq_m_n_u32): Likewise.
        (__arm_vidupq_m_n_u16): Likewise.
        (__arm_vidupq_n_u8): Likewise.
        (__arm_vidupq_m_wb_u8): Likewise.
        (__arm_vidupq_m_wb_u16): Likewise.
        (__arm_vidupq_m_wb_u32): Likewise.
        (__arm_vidupq_n_u32): Likewise.
        (__arm_vidupq_n_u16): Likewise.
        (__arm_vidupq_wb_u8): Likewise.
        (__arm_vidupq_wb_u16): Likewise.
        (__arm_vidupq_wb_u32): Likewise.
        (__arm_vddupq_wb_u8): Likewise.
        (__arm_vddupq_wb_u16): Likewise.
        (__arm_vddupq_wb_u32): Likewise.
        (__arm_viwdupq_m_n_u8): Likewise.
        (__arm_viwdupq_m_n_u32): Likewise.
        (__arm_viwdupq_m_n_u16): Likewise.
        (__arm_viwdupq_m_wb_u8): Likewise.
        (__arm_viwdupq_m_wb_u32): Likewise.
        (__arm_viwdupq_m_wb_u16): Likewise.
        (__arm_viwdupq_n_u8): Likewise.
        (__arm_viwdupq_n_u32): Likewise.
        (__arm_viwdupq_n_u16): Likewise.
        (__arm_viwdupq_wb_u8): Likewise.
        (__arm_viwdupq_wb_u32): Likewise.
        (__arm_viwdupq_wb_u16): Likewise.
        (vidupq_m): Define polymorphic variant.
        (vddupq_m): Likewise.
        (vidupq_u16): Likewise.
        (vidupq_u32): Likewise.
        (vidupq_u8): Likewise.
        (vddupq_u16): Likewise.
        (vddupq_u32): Likewise.
        (vddupq_u8): Likewise.
        (viwdupq_m): Likewise.
        (viwdupq_u16): Likewise.
        (viwdupq_u32): Likewise.
        (viwdupq_u8): Likewise.
        (vdwdupq_m): Likewise.
        (vdwdupq_u16): Likewise.
        (vdwdupq_u32): Likewise.
        (vdwdupq_u8): Likewise.
        * config/arm/arm_mve_builtins.def
        (QUINOP_UNONE_UNONE_UNONE_UNONE_IMM_UNONE_QUALIFIERS): Use builtin
        qualifier.
        * config/arm/mve.md (mve_vidupq_n_u<mode>): Define RTL pattern.
        (mve_vidupq_u<mode>_insn): Likewise.
        (mve_vidupq_m_n_u<mode>): Likewise.
        (mve_vidupq_m_wb_u<mode>_insn): Likewise.
        (mve_vddupq_n_u<mode>): Likewise.
        (mve_vddupq_u<mode>_insn): Likewise.
        (mve_vddupq_m_n_u<mode>): Likewise.
        (mve_vddupq_m_wb_u<mode>_insn): Likewise.
        (mve_vdwdupq_n_u<mode>): Likewise.
        (mve_vdwdupq_wb_u<mode>): Likewise.
        (mve_vdwdupq_wb_u<mode>_insn): Likewise.
        (mve_vdwdupq_m_n_u<mode>): Likewise.
        (mve_vdwdupq_m_wb_u<mode>): Likewise.
        (mve_vdwdupq_m_wb_u<mode>_insn): Likewise.
        (mve_viwdupq_n_u<mode>): Likewise.
        (mve_viwdupq_wb_u<mode>): Likewise.
        (mve_viwdupq_wb_u<mode>_insn): Likewise.
        (mve_viwdupq_m_n_u<mode>): Likewise.
        (mve_viwdupq_m_wb_u<mode>): Likewise.
        (mve_viwdupq_m_wb_u<mode>_insn): Likewise.

2020-03-20  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm_mve.h (vreinterpretq_s16_s32): Define macro.
        (vreinterpretq_s16_s64): Likewise.
        (vreinterpretq_s16_s8): Likewise.
        (vreinterpretq_s16_u16): Likewise.
        (vreinterpretq_s16_u32): Likewise.
        (vreinterpretq_s16_u64): Likewise.
        (vreinterpretq_s16_u8): Likewise.
        (vreinterpretq_s32_s16): Likewise.
        (vreinterpretq_s32_s64): Likewise.
        (vreinterpretq_s32_s8): Likewise.
        (vreinterpretq_s32_u16): Likewise.
        (vreinterpretq_s32_u32): Likewise.
        (vreinterpretq_s32_u64): Likewise.
        (vreinterpretq_s32_u8): Likewise.
        (vreinterpretq_s64_s16): Likewise.
        (vreinterpretq_s64_s32): Likewise.
        (vreinterpretq_s64_s8): Likewise.
        (vreinterpretq_s64_u16): Likewise.
        (vreinterpretq_s64_u32): Likewise.
        (vreinterpretq_s64_u64): Likewise.
        (vreinterpretq_s64_u8): Likewise.
        (vreinterpretq_s8_s16): Likewise.
        (vreinterpretq_s8_s32): Likewise.
        (vreinterpretq_s8_s64): Likewise.
        (vreinterpretq_s8_u16): Likewise.
        (vreinterpretq_s8_u32): Likewise.
        (vreinterpretq_s8_u64): Likewise.
        (vreinterpretq_s8_u8): Likewise.
        (vreinterpretq_u16_s16): Likewise.
        (vreinterpretq_u16_s32): Likewise.
        (vreinterpretq_u16_s64): Likewise.
        (vreinterpretq_u16_s8): Likewise.
        (vreinterpretq_u16_u32): Likewise.
        (vreinterpretq_u16_u64): Likewise.
        (vreinterpretq_u16_u8): Likewise.
        (vreinterpretq_u32_s16): Likewise.
        (vreinterpretq_u32_s32): Likewise.
        (vreinterpretq_u32_s64): Likewise.
        (vreinterpretq_u32_s8): Likewise.
        (vreinterpretq_u32_u16): Likewise.
        (vreinterpretq_u32_u64): Likewise.
        (vreinterpretq_u32_u8): Likewise.
        (vreinterpretq_u64_s16): Likewise.
        (vreinterpretq_u64_s32): Likewise.
        (vreinterpretq_u64_s64): Likewise.
        (vreinterpretq_u64_s8): Likewise.
        (vreinterpretq_u64_u16): Likewise.
        (vreinterpretq_u64_u32): Likewise.
        (vreinterpretq_u64_u8): Likewise.
        (vreinterpretq_u8_s16): Likewise.
        (vreinterpretq_u8_s32): Likewise.
        (vreinterpretq_u8_s64): Likewise.
        (vreinterpretq_u8_s8): Likewise.
        (vreinterpretq_u8_u16): Likewise.
        (vreinterpretq_u8_u32): Likewise.
        (vreinterpretq_u8_u64): Likewise.
        (vreinterpretq_s32_f16): Likewise.
        (vreinterpretq_s32_f32): Likewise.
        (vreinterpretq_u16_f16): Likewise.
        (vreinterpretq_u16_f32): Likewise.
        (vreinterpretq_u32_f16): Likewise.
        (vreinterpretq_u32_f32): Likewise.
        (vreinterpretq_u64_f16): Likewise.
        (vreinterpretq_u64_f32): Likewise.
        (vreinterpretq_u8_f16): Likewise.
        (vreinterpretq_u8_f32): Likewise.
        (vreinterpretq_f16_f32): Likewise.
        (vreinterpretq_f16_s16): Likewise.
        (vreinterpretq_f16_s32): Likewise.
        (vreinterpretq_f16_s64): Likewise.
        (vreinterpretq_f16_s8): Likewise.
        (vreinterpretq_f16_u16): Likewise.
        (vreinterpretq_f16_u32): Likewise.
        (vreinterpretq_f16_u64): Likewise.
        (vreinterpretq_f16_u8): Likewise.
        (vreinterpretq_f32_f16): Likewise.
        (vreinterpretq_f32_s16): Likewise.
        (vreinterpretq_f32_s32): Likewise.
        (vreinterpretq_f32_s64): Likewise.
        (vreinterpretq_f32_s8): Likewise.
        (vreinterpretq_f32_u16): Likewise.
        (vreinterpretq_f32_u32): Likewise.
        (vreinterpretq_f32_u64): Likewise.
        (vreinterpretq_f32_u8): Likewise.
        (vreinterpretq_s16_f16): Likewise.
        (vreinterpretq_s16_f32): Likewise.
        (vreinterpretq_s64_f16): Likewise.
        (vreinterpretq_s64_f32): Likewise.
        (vreinterpretq_s8_f16): Likewise.
        (vreinterpretq_s8_f32): Likewise.
        (vuninitializedq_u8): Likewise.
        (vuninitializedq_u16): Likewise.
        (vuninitializedq_u32): Likewise.
        (vuninitializedq_u64): Likewise.
        (vuninitializedq_s8): Likewise.
        (vuninitializedq_s16): Likewise.
        (vuninitializedq_s32): Likewise.
        (vuninitializedq_s64): Likewise.
        (vuninitializedq_f16): Likewise.
        (vuninitializedq_f32): Likewise.
        (__arm_vuninitializedq_u8): Define intrinsic.
        (__arm_vuninitializedq_u16): Likewise.
        (__arm_vuninitializedq_u32): Likewise.
        (__arm_vuninitializedq_u64): Likewise.
        (__arm_vuninitializedq_s8): Likewise.
        (__arm_vuninitializedq_s16): Likewise.
        (__arm_vuninitializedq_s32): Likewise.
        (__arm_vuninitializedq_s64): Likewise.
        (__arm_vreinterpretq_s16_s32): Likewise.
        (__arm_vreinterpretq_s16_s64): Likewise.
        (__arm_vreinterpretq_s16_s8): Likewise.
        (__arm_vreinterpretq_s16_u16): Likewise.
        (__arm_vreinterpretq_s16_u32): Likewise.
        (__arm_vreinterpretq_s16_u64): Likewise.
        (__arm_vreinterpretq_s16_u8): Likewise.
        (__arm_vreinterpretq_s32_s16): Likewise.
        (__arm_vreinterpretq_s32_s64): Likewise.
        (__arm_vreinterpretq_s32_s8): Likewise.
        (__arm_vreinterpretq_s32_u16): Likewise.
        (__arm_vreinterpretq_s32_u32): Likewise.
        (__arm_vreinterpretq_s32_u64): Likewise.
        (__arm_vreinterpretq_s32_u8): Likewise.
        (__arm_vreinterpretq_s64_s16): Likewise.
        (__arm_vreinterpretq_s64_s32): Likewise.
        (__arm_vreinterpretq_s64_s8): Likewise.
        (__arm_vreinterpretq_s64_u16): Likewise.
        (__arm_vreinterpretq_s64_u32): Likewise.
        (__arm_vreinterpretq_s64_u64): Likewise.
        (__arm_vreinterpretq_s64_u8): Likewise.
        (__arm_vreinterpretq_s8_s16): Likewise.
        (__arm_vreinterpretq_s8_s32): Likewise.
        (__arm_vreinterpretq_s8_s64): Likewise.
        (__arm_vreinterpretq_s8_u16): Likewise.
        (__arm_vreinterpretq_s8_u32): Likewise.
        (__arm_vreinterpretq_s8_u64): Likewise.
        (__arm_vreinterpretq_s8_u8): Likewise.
        (__arm_vreinterpretq_u16_s16): Likewise.
        (__arm_vreinterpretq_u16_s32): Likewise.
        (__arm_vreinterpretq_u16_s64): Likewise.
        (__arm_vreinterpretq_u16_s8): Likewise.
        (__arm_vreinterpretq_u16_u32): Likewise.
        (__arm_vreinterpretq_u16_u64): Likewise.
        (__arm_vreinterpretq_u16_u8): Likewise.
        (__arm_vreinterpretq_u32_s16): Likewise.
        (__arm_vreinterpretq_u32_s32): Likewise.
        (__arm_vreinterpretq_u32_s64): Likewise.
        (__arm_vreinterpretq_u32_s8): Likewise.
        (__arm_vreinterpretq_u32_u16): Likewise.
        (__arm_vreinterpretq_u32_u64): Likewise.
        (__arm_vreinterpretq_u32_u8): Likewise.
        (__arm_vreinterpretq_u64_s16): Likewise.
        (__arm_vreinterpretq_u64_s32): Likewise.
        (__arm_vreinterpretq_u64_s64): Likewise.
        (__arm_vreinterpretq_u64_s8): Likewise.
        (__arm_vreinterpretq_u64_u16): Likewise.
        (__arm_vreinterpretq_u64_u32): Likewise.
        (__arm_vreinterpretq_u64_u8): Likewise.
        (__arm_vreinterpretq_u8_s16): Likewise.
        (__arm_vreinterpretq_u8_s32): Likewise.
        (__arm_vreinterpretq_u8_s64): Likewise.
        (__arm_vreinterpretq_u8_s8): Likewise.
        (__arm_vreinterpretq_u8_u16): Likewise.
        (__arm_vreinterpretq_u8_u32): Likewise.
        (__arm_vreinterpretq_u8_u64): Likewise.
        (__arm_vuninitializedq_f16): Likewise.
        (__arm_vuninitializedq_f32): Likewise.
        (__arm_vreinterpretq_s32_f16): Likewise.
        (__arm_vreinterpretq_s32_f32): Likewise.
        (__arm_vreinterpretq_s16_f16): Likewise.
        (__arm_vreinterpretq_s16_f32): Likewise.
        (__arm_vreinterpretq_s64_f16): Likewise.
        (__arm_vreinterpretq_s64_f32): Likewise.
        (__arm_vreinterpretq_s8_f16): Likewise.
        (__arm_vreinterpretq_s8_f32): Likewise.
        (__arm_vreinterpretq_u16_f16): Likewise.
        (__arm_vreinterpretq_u16_f32): Likewise.
        (__arm_vreinterpretq_u32_f16): Likewise.
        (__arm_vreinterpretq_u32_f32): Likewise.
        (__arm_vreinterpretq_u64_f16): Likewise.
        (__arm_vreinterpretq_u64_f32): Likewise.
        (__arm_vreinterpretq_u8_f16): Likewise.
        (__arm_vreinterpretq_u8_f32): Likewise.
        (__arm_vreinterpretq_f16_f32): Likewise.
        (__arm_vreinterpretq_f16_s16): Likewise.
        (__arm_vreinterpretq_f16_s32): Likewise.
        (__arm_vreinterpretq_f16_s64): Likewise.
        (__arm_vreinterpretq_f16_s8): Likewise.
        (__arm_vreinterpretq_f16_u16): Likewise.
        (__arm_vreinterpretq_f16_u32): Likewise.
        (__arm_vreinterpretq_f16_u64): Likewise.
        (__arm_vreinterpretq_f16_u8): Likewise.
        (__arm_vreinterpretq_f32_f16): Likewise.
        (__arm_vreinterpretq_f32_s16): Likewise.
        (__arm_vreinterpretq_f32_s32): Likewise.
        (__arm_vreinterpretq_f32_s64): Likewise.
        (__arm_vreinterpretq_f32_s8): Likewise.
        (__arm_vreinterpretq_f32_u16): Likewise.
        (__arm_vreinterpretq_f32_u32): Likewise.
        (__arm_vreinterpretq_f32_u64): Likewise.
        (__arm_vreinterpretq_f32_u8): Likewise.
        (vuninitializedq): Define polymorphic variant.
        (vreinterpretq_f16): Likewise.
        (vreinterpretq_f32): Likewise.
        (vreinterpretq_s16): Likewise.
        (vreinterpretq_s32): Likewise.
        (vreinterpretq_s64): Likewise.
        (vreinterpretq_s8): Likewise.
        (vreinterpretq_u16): Likewise.
        (vreinterpretq_u32): Likewise.
        (vreinterpretq_u64): Likewise.
        (vreinterpretq_u8): Likewise.

2020-03-20  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
            Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>

        * config/arm/arm_mve.h (vaddq_s8): Define macro.
        (vaddq_s16): Likewise.
        (vaddq_s32): Likewise.
        (vaddq_u8): Likewise.
        (vaddq_u16): Likewise.
        (vaddq_u32): Likewise.
        (vaddq_f16): Likewise.
        (vaddq_f32): Likewise.
        (__arm_vaddq_s8): Define intrinsic.
        (__arm_vaddq_s16): Likewise.
        (__arm_vaddq_s32): Likewise.
        (__arm_vaddq_u8): Likewise.
        (__arm_vaddq_u16): Likewise.
        (__arm_vaddq_u32): Likewise.
        (__arm_vaddq_f16): Likewise.
        (__arm_vaddq_f32): Likewise.
        (vaddq): Define polymorphic variant.
        * config/arm/iterators.md (VNIM): Define mode iterator for common types
        Neon, IWMMXT and MVE.
        (VNINOTM): Likewise.
        * config/arm/mve.md (mve_vaddq<mode>): Define RTL pattern.
        (mve_vaddq_f<mode>): Define RTL pattern.
        * config/arm/neon.md (add<mode>3): Rename to addv4hf3 RTL pattern.
        (addv8hf3_neon): Define RTL pattern.
        * config/arm/vec-common.md (add<mode>3): Modify standard add RTL pattern
        to support MVE.
        (addv8hf3): Define standard RTL pattern for MVE and Neon.
        (add<mode>3): Modify existing standard add RTL pattern for Neon and IWMMXT.

2020-03-20  Martin Liska  <mliska@suse.cz>

        PR ipa/94232
        * ipa-cp.c (ipa_get_jf_ancestor_result): Use offset in bytes. Previously
        build_ref_for_offset function was used and it transforms off to bytes
        from bits.

2020-03-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/94266
        * gimple-ssa-sprintf.c (get_origin_and_offset): Use the
        type of the underlying object to adjust for the containing
        field if available.

2020-03-20  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/unspecs.md (UNSPEC_GET_FPSCR): Rename this to ...
        (VUNSPEC_GET_FPSCR): ... this, and move it to vunspec.
        * config/arm/vfp.md: (get_fpscr, set_fpscr): Revert to old patterns.

2020-03-20  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/mve.md (mve_mov<mode>): Fix R->R case.

2020-03-20  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/94224
        * gimple-ssa-store-merging.c
        (imm_store_chain_info::coalesce_immediate): Don't consider overlapping
        or adjacent INTEGER_CST rhs_code stores as mergeable if they have
        different lp_nr.

2020-03-20  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm.md (define_attr "conds"): Fix logic for neon and mve.

2020-03-19  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/94202
        * cgraph.c (cgraph_node::function_symbol): Fix availability computation.
        (cgraph_node::function_or_virtual_thunk_symbol): Likewise.

2020-03-19  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/92372
        * cgraphunit.c (process_function_and_variable_attributes): warn
        for flatten attribute on alias.
        * ipa-inline.c (ipa_inline): Do not ICE on flatten attribute on alias.

2020-03-19  Martin Liska  <mliska@suse.cz>

        * lto-section-in.c: Add ext_symtab.
        * lto-streamer-out.c (write_symbol_extension_info): New.
        (produce_symtab_extension): New.
        (produce_asm_for_decls): Stream also produce_symtab_extension.
        * lto-streamer.h (enum lto_section_type): New section.

2020-03-19  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/94211
        * tree-ssa-phiopt.c (value_replacement): Use estimate_num_insns_seq
        instead of estimate_num_insns for bb_seq (middle_bb).  Rename
        emtpy_or_with_defined_p variable to empty_or_with_defined_p, adjust
        all uses.

2020-03-19  Richard Biener  <rguenther@suse.de>

        PR ipa/94217
        * ipa-cp.c (ipa_get_jf_ancestor_result): Avoid build_fold_addr_expr
        and build_ref_for_offset.

2020-03-19  Richard Biener  <rguenther@suse.de>

        PR middle-end/94216
        * fold-const.c (fold_binary_loc): Avoid using
        build_fold_addr_expr when we really want an ADDR_EXPR.

2020-03-18  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/constraints.md (wd, wf, wi, ws, ww): New undocumented
        aliases for "wa".

2020-03-12  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/90275
        * cse.c (cse_insn): Delete no-op register moves too.

2020-03-18  Martin Sebor  <msebor@redhat.com>

        PR ipa/92799
        * cgraphunit.c (process_function_and_variable_attributes): Also
        complain about weakref function definitions and drop all effects
        of the attribute.

2020-03-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm_mve.h (vstrdq_scatter_base_p_s64): Define macro.
        (vstrdq_scatter_base_p_u64): Likewise.
        (vstrdq_scatter_base_s64): Likewise.
        (vstrdq_scatter_base_u64): Likewise.
        (vstrdq_scatter_offset_p_s64): Likewise.
        (vstrdq_scatter_offset_p_u64): Likewise.
        (vstrdq_scatter_offset_s64): Likewise.
        (vstrdq_scatter_offset_u64): Likewise.
        (vstrdq_scatter_shifted_offset_p_s64): Likewise.
        (vstrdq_scatter_shifted_offset_p_u64): Likewise.
        (vstrdq_scatter_shifted_offset_s64): Likewise.
        (vstrdq_scatter_shifted_offset_u64): Likewise.
        (vstrhq_scatter_offset_f16): Likewise.
        (vstrhq_scatter_offset_p_f16): Likewise.
        (vstrhq_scatter_shifted_offset_f16): Likewise.
        (vstrhq_scatter_shifted_offset_p_f16): Likewise.
        (vstrwq_scatter_base_f32): Likewise.
        (vstrwq_scatter_base_p_f32): Likewise.
        (vstrwq_scatter_offset_f32): Likewise.
        (vstrwq_scatter_offset_p_f32): Likewise.
        (vstrwq_scatter_offset_p_s32): Likewise.
        (vstrwq_scatter_offset_p_u32): Likewise.
        (vstrwq_scatter_offset_s32): Likewise.
        (vstrwq_scatter_offset_u32): Likewise.
        (vstrwq_scatter_shifted_offset_f32): Likewise.
        (vstrwq_scatter_shifted_offset_p_f32): Likewise.
        (vstrwq_scatter_shifted_offset_p_s32): Likewise.
        (vstrwq_scatter_shifted_offset_p_u32): Likewise.
        (vstrwq_scatter_shifted_offset_s32): Likewise.
        (vstrwq_scatter_shifted_offset_u32): Likewise.
        (__arm_vstrdq_scatter_base_p_s64): Define intrinsic.
        (__arm_vstrdq_scatter_base_p_u64): Likewise.
        (__arm_vstrdq_scatter_base_s64): Likewise.
        (__arm_vstrdq_scatter_base_u64): Likewise.
        (__arm_vstrdq_scatter_offset_p_s64): Likewise.
        (__arm_vstrdq_scatter_offset_p_u64): Likewise.
        (__arm_vstrdq_scatter_offset_s64): Likewise.
        (__arm_vstrdq_scatter_offset_u64): Likewise.
        (__arm_vstrdq_scatter_shifted_offset_p_s64): Likewise.
        (__arm_vstrdq_scatter_shifted_offset_p_u64): Likewise.
        (__arm_vstrdq_scatter_shifted_offset_s64): Likewise.
        (__arm_vstrdq_scatter_shifted_offset_u64): Likewise.
        (__arm_vstrwq_scatter_offset_p_s32): Likewise.
        (__arm_vstrwq_scatter_offset_p_u32): Likewise.
        (__arm_vstrwq_scatter_offset_s32): Likewise.
        (__arm_vstrwq_scatter_offset_u32): Likewise.
        (__arm_vstrwq_scatter_shifted_offset_p_s32): Likewise.
        (__arm_vstrwq_scatter_shifted_offset_p_u32): Likewise.
        (__arm_vstrwq_scatter_shifted_offset_s32): Likewise.
        (__arm_vstrwq_scatter_shifted_offset_u32): Likewise.
        (__arm_vstrhq_scatter_offset_f16): Likewise.
        (__arm_vstrhq_scatter_offset_p_f16): Likewise.
        (__arm_vstrhq_scatter_shifted_offset_f16): Likewise.
        (__arm_vstrhq_scatter_shifted_offset_p_f16): Likewise.
        (__arm_vstrwq_scatter_base_f32): Likewise.
        (__arm_vstrwq_scatter_base_p_f32): Likewise.
        (__arm_vstrwq_scatter_offset_f32): Likewise.
        (__arm_vstrwq_scatter_offset_p_f32): Likewise.
        (__arm_vstrwq_scatter_shifted_offset_f32): Likewise.
        (__arm_vstrwq_scatter_shifted_offset_p_f32): Likewise.
        (vstrhq_scatter_offset): Define polymorphic variant.
        (vstrhq_scatter_offset_p): Likewise.
        (vstrhq_scatter_shifted_offset): Likewise.
        (vstrhq_scatter_shifted_offset_p): Likewise.
        (vstrwq_scatter_base): Likewise.
        (vstrwq_scatter_base_p): Likewise.
        (vstrwq_scatter_offset): Likewise.
        (vstrwq_scatter_offset_p): Likewise.
        (vstrwq_scatter_shifted_offset): Likewise.
        (vstrwq_scatter_shifted_offset_p): Likewise.
        (vstrdq_scatter_base_p): Likewise.
        (vstrdq_scatter_base): Likewise.
        (vstrdq_scatter_offset_p): Likewise.
        (vstrdq_scatter_offset): Likewise.
        (vstrdq_scatter_shifted_offset_p): Likewise.
        (vstrdq_scatter_shifted_offset): Likewise.
        * config/arm/arm_mve_builtins.def (STRSBS): Use builtin qualifier.
        (STRSBS_P): Likewise.
        (STRSBU): Likewise.
        (STRSBU_P): Likewise.
        (STRSS): Likewise.
        (STRSS_P): Likewise.
        (STRSU): Likewise.
        (STRSU_P): Likewise.
        * config/arm/constraints.md (Ri): Define.
        * config/arm/mve.md (VSTRDSBQ): Define iterator.
        (VSTRDSOQ): Likewise.
        (VSTRDSSOQ): Likewise.
        (VSTRWSOQ): Likewise.
        (VSTRWSSOQ): Likewise.
        (mve_vstrdq_scatter_base_p_<supf>v2di): Define RTL pattern.
        (mve_vstrdq_scatter_base_<supf>v2di): Likewise.
        (mve_vstrdq_scatter_offset_p_<supf>v2di): Likewise.
        (mve_vstrdq_scatter_offset_<supf>v2di): Likewise.
        (mve_vstrdq_scatter_shifted_offset_p_<supf>v2di): Likewise.
        (mve_vstrdq_scatter_shifted_offset_<supf>v2di): Likewise.
        (mve_vstrhq_scatter_offset_fv8hf): Likewise.
        (mve_vstrhq_scatter_offset_p_fv8hf): Likewise.
        (mve_vstrhq_scatter_shifted_offset_fv8hf): Likewise.
        (mve_vstrhq_scatter_shifted_offset_p_fv8hf): Likewise.
        (mve_vstrwq_scatter_base_fv4sf): Likewise.
        (mve_vstrwq_scatter_base_p_fv4sf): Likewise.
        (mve_vstrwq_scatter_offset_fv4sf): Likewise.
        (mve_vstrwq_scatter_offset_p_fv4sf): Likewise.
        (mve_vstrwq_scatter_offset_p_<supf>v4si): Likewise.
        (mve_vstrwq_scatter_offset_<supf>v4si): Likewise.
        (mve_vstrwq_scatter_shifted_offset_fv4sf): Likewise.
        (mve_vstrwq_scatter_shifted_offset_p_fv4sf): Likewise.
        (mve_vstrwq_scatter_shifted_offset_p_<supf>v4si): Likewise.
        (mve_vstrwq_scatter_shifted_offset_<supf>v4si): Likewise.
        * config/arm/predicates.md (Ri): Define predicate to check immediate
        is the range +/-1016 and multiple of 8.

2020-03-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm_mve.h (vst1q_f32): Define macro.
        (vst1q_f16): Likewise.
        (vst1q_s8): Likewise.
        (vst1q_s32): Likewise.
        (vst1q_s16): Likewise.
        (vst1q_u8): Likewise.
        (vst1q_u32): Likewise.
        (vst1q_u16): Likewise.
        (vstrhq_f16): Likewise.
        (vstrhq_scatter_offset_s32): Likewise.
        (vstrhq_scatter_offset_s16): Likewise.
        (vstrhq_scatter_offset_u32): Likewise.
        (vstrhq_scatter_offset_u16): Likewise.
        (vstrhq_scatter_offset_p_s32): Likewise.
        (vstrhq_scatter_offset_p_s16): Likewise.
        (vstrhq_scatter_offset_p_u32): Likewise.
        (vstrhq_scatter_offset_p_u16): Likewise.
        (vstrhq_scatter_shifted_offset_s32): Likewise.
        (vstrhq_scatter_shifted_offset_s16): Likewise.
        (vstrhq_scatter_shifted_offset_u32): Likewise.
        (vstrhq_scatter_shifted_offset_u16): Likewise.
        (vstrhq_scatter_shifted_offset_p_s32): Likewise.
        (vstrhq_scatter_shifted_offset_p_s16): Likewise.
        (vstrhq_scatter_shifted_offset_p_u32): Likewise.
        (vstrhq_scatter_shifted_offset_p_u16): Likewise.
        (vstrhq_s32): Likewise.
        (vstrhq_s16): Likewise.
        (vstrhq_u32): Likewise.
        (vstrhq_u16): Likewise.
        (vstrhq_p_f16): Likewise.
        (vstrhq_p_s32): Likewise.
        (vstrhq_p_s16): Likewise.
        (vstrhq_p_u32): Likewise.
        (vstrhq_p_u16): Likewise.
        (vstrwq_f32): Likewise.
        (vstrwq_s32): Likewise.
        (vstrwq_u32): Likewise.
        (vstrwq_p_f32): Likewise.
        (vstrwq_p_s32): Likewise.
        (vstrwq_p_u32): Likewise.
        (__arm_vst1q_s8): Define intrinsic.
        (__arm_vst1q_s32): Likewise.
        (__arm_vst1q_s16): Likewise.
        (__arm_vst1q_u8): Likewise.
        (__arm_vst1q_u32): Likewise.
        (__arm_vst1q_u16): Likewise.
        (__arm_vstrhq_scatter_offset_s32): Likewise.
        (__arm_vstrhq_scatter_offset_s16): Likewise.
        (__arm_vstrhq_scatter_offset_u32): Likewise.
        (__arm_vstrhq_scatter_offset_u16): Likewise.
        (__arm_vstrhq_scatter_offset_p_s32): Likewise.
        (__arm_vstrhq_scatter_offset_p_s16): Likewise.
        (__arm_vstrhq_scatter_offset_p_u32): Likewise.
        (__arm_vstrhq_scatter_offset_p_u16): Likewise.
        (__arm_vstrhq_scatter_shifted_offset_s32): Likewise.
        (__arm_vstrhq_scatter_shifted_offset_s16): Likewise.
        (__arm_vstrhq_scatter_shifted_offset_u32): Likewise.
        (__arm_vstrhq_scatter_shifted_offset_u16): Likewise.
        (__arm_vstrhq_scatter_shifted_offset_p_s32): Likewise.
        (__arm_vstrhq_scatter_shifted_offset_p_s16): Likewise.
        (__arm_vstrhq_scatter_shifted_offset_p_u32): Likewise.
        (__arm_vstrhq_scatter_shifted_offset_p_u16): Likewise.
        (__arm_vstrhq_s32): Likewise.
        (__arm_vstrhq_s16): Likewise.
        (__arm_vstrhq_u32): Likewise.
        (__arm_vstrhq_u16): Likewise.
        (__arm_vstrhq_p_s32): Likewise.
        (__arm_vstrhq_p_s16): Likewise.
        (__arm_vstrhq_p_u32): Likewise.
        (__arm_vstrhq_p_u16): Likewise.
        (__arm_vstrwq_s32): Likewise.
        (__arm_vstrwq_u32): Likewise.
        (__arm_vstrwq_p_s32): Likewise.
        (__arm_vstrwq_p_u32): Likewise.
        (__arm_vstrwq_p_f32): Likewise.
        (__arm_vstrwq_f32): Likewise.
        (__arm_vst1q_f32): Likewise.
        (__arm_vst1q_f16): Likewise.
        (__arm_vstrhq_f16): Likewise.
        (__arm_vstrhq_p_f16): Likewise.
        (vst1q): Define polymorphic variant.
        (vstrhq): Likewise.
        (vstrhq_p): Likewise.
        (vstrhq_scatter_offset_p): Likewise.
        (vstrhq_scatter_offset): Likewise.
        (vstrhq_scatter_shifted_offset_p): Likewise.
        (vstrhq_scatter_shifted_offset): Likewise.
        (vstrwq_p): Likewise.
        (vstrwq): Likewise.
        * config/arm/arm_mve_builtins.def (STRS): Use builtin qualifier.
        (STRS_P): Likewise.
        (STRSS): Likewise.
        (STRSS_P): Likewise.
        (STRSU): Likewise.
        (STRSU_P): Likewise.
        (STRU): Likewise.
        (STRU_P): Likewise.
        * config/arm/mve.md (VST1Q): Define iterator.
        (VSTRHSOQ): Likewise.
        (VSTRHSSOQ): Likewise.
        (VSTRHQ): Likewise.
        (VSTRWQ): Likewise.
        (mve_vstrhq_fv8hf): Define RTL pattern.
        (mve_vstrhq_p_fv8hf): Likewise.
        (mve_vstrhq_p_<supf><mode>): Likewise.
        (mve_vstrhq_scatter_offset_p_<supf><mode>): Likewise.
        (mve_vstrhq_scatter_offset_<supf><mode>): Likewise.
        (mve_vstrhq_scatter_shifted_offset_p_<supf><mode>): Likewise.
        (mve_vstrhq_scatter_shifted_offset_<supf><mode>): Likewise.
        (mve_vstrhq_<supf><mode>): Likewise.
        (mve_vstrwq_fv4sf): Likewise.
        (mve_vstrwq_p_fv4sf): Likewise.
        (mve_vstrwq_p_<supf>v4si): Likewise.
        (mve_vstrwq_<supf>v4si): Likewise.
        (mve_vst1q_f<mode>): Define expand.
        (mve_vst1q_<supf><mode>): Likewise.

2020-03-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm_mve.h (vld1q_s8): Define macro.
        (vld1q_s32): Likewise.
        (vld1q_s16): Likewise.
        (vld1q_u8): Likewise.
        (vld1q_u32): Likewise.
        (vld1q_u16): Likewise.
        (vldrhq_gather_offset_s32): Likewise.
        (vldrhq_gather_offset_s16): Likewise.
        (vldrhq_gather_offset_u32): Likewise.
        (vldrhq_gather_offset_u16): Likewise.
        (vldrhq_gather_offset_z_s32): Likewise.
        (vldrhq_gather_offset_z_s16): Likewise.
        (vldrhq_gather_offset_z_u32): Likewise.
        (vldrhq_gather_offset_z_u16): Likewise.
        (vldrhq_gather_shifted_offset_s32): Likewise.
        (vldrhq_gather_shifted_offset_s16): Likewise.
        (vldrhq_gather_shifted_offset_u32): Likewise.
        (vldrhq_gather_shifted_offset_u16): Likewise.
        (vldrhq_gather_shifted_offset_z_s32): Likewise.
        (vldrhq_gather_shifted_offset_z_s16): Likewise.
        (vldrhq_gather_shifted_offset_z_u32): Likewise.
        (vldrhq_gather_shifted_offset_z_u16): Likewise.
        (vldrhq_s32): Likewise.
        (vldrhq_s16): Likewise.
        (vldrhq_u32): Likewise.
        (vldrhq_u16): Likewise.
        (vldrhq_z_s32): Likewise.
        (vldrhq_z_s16): Likewise.
        (vldrhq_z_u32): Likewise.
        (vldrhq_z_u16): Likewise.
        (vldrwq_s32): Likewise.
        (vldrwq_u32): Likewise.
        (vldrwq_z_s32): Likewise.
        (vldrwq_z_u32): Likewise.
        (vld1q_f32): Likewise.
        (vld1q_f16): Likewise.
        (vldrhq_f16): Likewise.
        (vldrhq_z_f16): Likewise.
        (vldrwq_f32): Likewise.
        (vldrwq_z_f32): Likewise.
        (__arm_vld1q_s8): Define intrinsic.
        (__arm_vld1q_s32): Likewise.
        (__arm_vld1q_s16): Likewise.
        (__arm_vld1q_u8): Likewise.
        (__arm_vld1q_u32): Likewise.
        (__arm_vld1q_u16): Likewise.
        (__arm_vldrhq_gather_offset_s32): Likewise.
        (__arm_vldrhq_gather_offset_s16): Likewise.
        (__arm_vldrhq_gather_offset_u32): Likewise.
        (__arm_vldrhq_gather_offset_u16): Likewise.
        (__arm_vldrhq_gather_offset_z_s32): Likewise.
        (__arm_vldrhq_gather_offset_z_s16): Likewise.
        (__arm_vldrhq_gather_offset_z_u32): Likewise.
        (__arm_vldrhq_gather_offset_z_u16): Likewise.
        (__arm_vldrhq_gather_shifted_offset_s32): Likewise.
        (__arm_vldrhq_gather_shifted_offset_s16): Likewise.
        (__arm_vldrhq_gather_shifted_offset_u32): Likewise.
        (__arm_vldrhq_gather_shifted_offset_u16): Likewise.
        (__arm_vldrhq_gather_shifted_offset_z_s32): Likewise.
        (__arm_vldrhq_gather_shifted_offset_z_s16): Likewise.
        (__arm_vldrhq_gather_shifted_offset_z_u32): Likewise.
        (__arm_vldrhq_gather_shifted_offset_z_u16): Likewise.
        (__arm_vldrhq_s32): Likewise.
        (__arm_vldrhq_s16): Likewise.
        (__arm_vldrhq_u32): Likewise.
        (__arm_vldrhq_u16): Likewise.
        (__arm_vldrhq_z_s32): Likewise.
        (__arm_vldrhq_z_s16): Likewise.
        (__arm_vldrhq_z_u32): Likewise.
        (__arm_vldrhq_z_u16): Likewise.
        (__arm_vldrwq_s32): Likewise.
        (__arm_vldrwq_u32): Likewise.
        (__arm_vldrwq_z_s32): Likewise.
        (__arm_vldrwq_z_u32): Likewise.
        (__arm_vld1q_f32): Likewise.
        (__arm_vld1q_f16): Likewise.
        (__arm_vldrwq_f32): Likewise.
        (__arm_vldrwq_z_f32): Likewise.
        (__arm_vldrhq_z_f16): Likewise.
        (__arm_vldrhq_f16): Likewise.
        (vld1q): Define polymorphic variant.
        (vldrhq_gather_offset): Likewise.
        (vldrhq_gather_offset_z): Likewise.
        (vldrhq_gather_shifted_offset): Likewise.
        (vldrhq_gather_shifted_offset_z): Likewise.
        * config/arm/arm_mve_builtins.def (LDRU): Use builtin qualifier.
        (LDRS): Likewise.
        (LDRU_Z): Likewise.
        (LDRS_Z): Likewise.
        (LDRGU_Z): Likewise.
        (LDRGU): Likewise.
        (LDRGS_Z): Likewise.
        (LDRGS): Likewise.
        * config/arm/mve.md (MVE_H_ELEM): Define mode iterator.
        (V_sz_elem1): Likewise.
        (VLD1Q): Define iterator.
        (VLDRHGOQ): Likewise.
        (VLDRHGSOQ): Likewise.
        (VLDRHQ): Likewise.
        (VLDRWQ): Likewise.
        (mve_vldrhq_fv8hf): Define RTL pattern.
        (mve_vldrhq_gather_offset_<supf><mode>): Likewise.
        (mve_vldrhq_gather_offset_z_<supf><mode>): Likewise.
        (mve_vldrhq_gather_shifted_offset_<supf><mode>): Likewise.
        (mve_vldrhq_gather_shifted_offset_z_<supf><mode>): Likewise.
        (mve_vldrhq_<supf><mode>): Likewise.
        (mve_vldrhq_z_fv8hf): Likewise.
        (mve_vldrhq_z_<supf><mode>): Likewise.
        (mve_vldrwq_fv4sf): Likewise.
        (mve_vldrwq_<supf>v4si): Likewise.
        (mve_vldrwq_z_fv4sf): Likewise.
        (mve_vldrwq_z_<supf>v4si): Likewise.
        (mve_vld1q_f<mode>): Define RTL expand pattern.
        (mve_vld1q_<supf><mode>): Likewise.

2020-03-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm_mve.h (vld1q_s8): Define macro.
        (vld1q_s32): Likewise.
        (vld1q_s16): Likewise.
        (vld1q_u8): Likewise.
        (vld1q_u32): Likewise.
        (vld1q_u16): Likewise.
        (vldrhq_gather_offset_s32): Likewise.
        (vldrhq_gather_offset_s16): Likewise.
        (vldrhq_gather_offset_u32): Likewise.
        (vldrhq_gather_offset_u16): Likewise.
        (vldrhq_gather_offset_z_s32): Likewise.
        (vldrhq_gather_offset_z_s16): Likewise.
        (vldrhq_gather_offset_z_u32): Likewise.
        (vldrhq_gather_offset_z_u16): Likewise.
        (vldrhq_gather_shifted_offset_s32): Likewise.
        (vldrhq_gather_shifted_offset_s16): Likewise.
        (vldrhq_gather_shifted_offset_u32): Likewise.
        (vldrhq_gather_shifted_offset_u16): Likewise.
        (vldrhq_gather_shifted_offset_z_s32): Likewise.
        (vldrhq_gather_shifted_offset_z_s16): Likewise.
        (vldrhq_gather_shifted_offset_z_u32): Likewise.
        (vldrhq_gather_shifted_offset_z_u16): Likewise.
        (vldrhq_s32): Likewise.
        (vldrhq_s16): Likewise.
        (vldrhq_u32): Likewise.
        (vldrhq_u16): Likewise.
        (vldrhq_z_s32): Likewise.
        (vldrhq_z_s16): Likewise.
        (vldrhq_z_u32): Likewise.
        (vldrhq_z_u16): Likewise.
        (vldrwq_s32): Likewise.
        (vldrwq_u32): Likewise.
        (vldrwq_z_s32): Likewise.
        (vldrwq_z_u32): Likewise.
        (vld1q_f32): Likewise.
        (vld1q_f16): Likewise.
        (vldrhq_f16): Likewise.
        (vldrhq_z_f16): Likewise.
        (vldrwq_f32): Likewise.
        (vldrwq_z_f32): Likewise.
        (__arm_vld1q_s8): Define intrinsic.
        (__arm_vld1q_s32): Likewise.
        (__arm_vld1q_s16): Likewise.
        (__arm_vld1q_u8): Likewise.
        (__arm_vld1q_u32): Likewise.
        (__arm_vld1q_u16): Likewise.
        (__arm_vldrhq_gather_offset_s32): Likewise.
        (__arm_vldrhq_gather_offset_s16): Likewise.
        (__arm_vldrhq_gather_offset_u32): Likewise.
        (__arm_vldrhq_gather_offset_u16): Likewise.
        (__arm_vldrhq_gather_offset_z_s32): Likewise.
        (__arm_vldrhq_gather_offset_z_s16): Likewise.
        (__arm_vldrhq_gather_offset_z_u32): Likewise.
        (__arm_vldrhq_gather_offset_z_u16): Likewise.
        (__arm_vldrhq_gather_shifted_offset_s32): Likewise.
        (__arm_vldrhq_gather_shifted_offset_s16): Likewise.
        (__arm_vldrhq_gather_shifted_offset_u32): Likewise.
        (__arm_vldrhq_gather_shifted_offset_u16): Likewise.
        (__arm_vldrhq_gather_shifted_offset_z_s32): Likewise.
        (__arm_vldrhq_gather_shifted_offset_z_s16): Likewise.
        (__arm_vldrhq_gather_shifted_offset_z_u32): Likewise.
        (__arm_vldrhq_gather_shifted_offset_z_u16): Likewise.
        (__arm_vldrhq_s32): Likewise.
        (__arm_vldrhq_s16): Likewise.
        (__arm_vldrhq_u32): Likewise.
        (__arm_vldrhq_u16): Likewise.
        (__arm_vldrhq_z_s32): Likewise.
        (__arm_vldrhq_z_s16): Likewise.
        (__arm_vldrhq_z_u32): Likewise.
        (__arm_vldrhq_z_u16): Likewise.
        (__arm_vldrwq_s32): Likewise.
        (__arm_vldrwq_u32): Likewise.
        (__arm_vldrwq_z_s32): Likewise.
        (__arm_vldrwq_z_u32): Likewise.
        (__arm_vld1q_f32): Likewise.
        (__arm_vld1q_f16): Likewise.
        (__arm_vldrwq_f32): Likewise.
        (__arm_vldrwq_z_f32): Likewise.
        (__arm_vldrhq_z_f16): Likewise.
        (__arm_vldrhq_f16): Likewise.
        (vld1q): Define polymorphic variant.
        (vldrhq_gather_offset): Likewise.
        (vldrhq_gather_offset_z): Likewise.
        (vldrhq_gather_shifted_offset): Likewise.
        (vldrhq_gather_shifted_offset_z): Likewise.
        * config/arm/arm_mve_builtins.def (LDRU): Use builtin qualifier.
        (LDRS): Likewise.
        (LDRU_Z): Likewise.
        (LDRS_Z): Likewise.
        (LDRGU_Z): Likewise.
        (LDRGU): Likewise.
        (LDRGS_Z): Likewise.
        (LDRGS): Likewise.
        * config/arm/mve.md (MVE_H_ELEM): Define mode iterator.
        (V_sz_elem1): Likewise.
        (VLD1Q): Define iterator.
        (VLDRHGOQ): Likewise.
        (VLDRHGSOQ): Likewise.
        (VLDRHQ): Likewise.
        (VLDRWQ): Likewise.
        (mve_vldrhq_fv8hf): Define RTL pattern.
        (mve_vldrhq_gather_offset_<supf><mode>): Likewise.
        (mve_vldrhq_gather_offset_z_<supf><mode>): Likewise.
        (mve_vldrhq_gather_shifted_offset_<supf><mode>): Likewise.
        (mve_vldrhq_gather_shifted_offset_z_<supf><mode>): Likewise.
        (mve_vldrhq_<supf><mode>): Likewise.
        (mve_vldrhq_z_fv8hf): Likewise.
        (mve_vldrhq_z_<supf><mode>): Likewise.
        (mve_vldrwq_fv4sf): Likewise.
        (mve_vldrwq_<supf>v4si): Likewise.
        (mve_vldrwq_z_fv4sf): Likewise.
        (mve_vldrwq_z_<supf>v4si): Likewise.
        (mve_vld1q_f<mode>): Define RTL expand pattern.
        (mve_vld1q_<supf><mode>): Likewise.

2020-03-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm-builtins.c (LDRGBS_Z_QUALIFIERS): Define builtin
        qualifier.
        (LDRGBU_Z_QUALIFIERS): Likewise.
        (LDRGS_Z_QUALIFIERS): Likewise.
        (LDRGU_Z_QUALIFIERS): Likewise.
        (LDRS_Z_QUALIFIERS): Likewise.
        (LDRU_Z_QUALIFIERS): Likewise.
        * config/arm/arm_mve.h (vldrbq_gather_offset_z_s16): Define macro.
        (vldrbq_gather_offset_z_u8): Likewise.
        (vldrbq_gather_offset_z_s32): Likewise.
        (vldrbq_gather_offset_z_u16): Likewise.
        (vldrbq_gather_offset_z_u32): Likewise.
        (vldrbq_gather_offset_z_s8): Likewise.
        (vldrbq_z_s16): Likewise.
        (vldrbq_z_u8): Likewise.
        (vldrbq_z_s8): Likewise.
        (vldrbq_z_s32): Likewise.
        (vldrbq_z_u16): Likewise.
        (vldrbq_z_u32): Likewise.
        (vldrwq_gather_base_z_u32): Likewise.
        (vldrwq_gather_base_z_s32): Likewise.
        (__arm_vldrbq_gather_offset_z_s8): Define intrinsic.
        (__arm_vldrbq_gather_offset_z_s32): Likewise.
        (__arm_vldrbq_gather_offset_z_s16): Likewise.
        (__arm_vldrbq_gather_offset_z_u8): Likewise.
        (__arm_vldrbq_gather_offset_z_u32): Likewise.
        (__arm_vldrbq_gather_offset_z_u16): Likewise.
        (__arm_vldrbq_z_s8): Likewise.
        (__arm_vldrbq_z_s32): Likewise.
        (__arm_vldrbq_z_s16): Likewise.
        (__arm_vldrbq_z_u8): Likewise.
        (__arm_vldrbq_z_u32): Likewise.
        (__arm_vldrbq_z_u16): Likewise.
        (__arm_vldrwq_gather_base_z_s32): Likewise.
        (__arm_vldrwq_gather_base_z_u32): Likewise.
        (vldrbq_gather_offset_z): Define polymorphic variant.
        * config/arm/arm_mve_builtins.def (LDRGBS_Z_QUALIFIERS): Use builtin
        qualifier.
        (LDRGBU_Z_QUALIFIERS): Likewise.
        (LDRGS_Z_QUALIFIERS): Likewise.
        (LDRGU_Z_QUALIFIERS): Likewise.
        (LDRS_Z_QUALIFIERS): Likewise.
        (LDRU_Z_QUALIFIERS): Likewise.
        * config/arm/mve.md (mve_vldrbq_gather_offset_z_<supf><mode>): Define
        RTL pattern.
        (mve_vldrbq_z_<supf><mode>): Likewise.
        (mve_vldrwq_gather_base_z_<supf>v4si): Likewise.

2020-03-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm-builtins.c (STRS_P_QUALIFIERS): Define builtin
        qualifier.
        (STRU_P_QUALIFIERS): Likewise.
        (STRSU_P_QUALIFIERS): Likewise.
        (STRSS_P_QUALIFIERS): Likewise.
        (STRSBS_P_QUALIFIERS): Likewise.
        (STRSBU_P_QUALIFIERS): Likewise.
        * config/arm/arm_mve.h (vstrbq_p_s8): Define macro.
        (vstrbq_p_s32): Likewise.
        (vstrbq_p_s16): Likewise.
        (vstrbq_p_u8): Likewise.
        (vstrbq_p_u32): Likewise.
        (vstrbq_p_u16): Likewise.
        (vstrbq_scatter_offset_p_s8): Likewise.
        (vstrbq_scatter_offset_p_s32): Likewise.
        (vstrbq_scatter_offset_p_s16): Likewise.
        (vstrbq_scatter_offset_p_u8): Likewise.
        (vstrbq_scatter_offset_p_u32): Likewise.
        (vstrbq_scatter_offset_p_u16): Likewise.
        (vstrwq_scatter_base_p_s32): Likewise.
        (vstrwq_scatter_base_p_u32): Likewise.
        (__arm_vstrbq_p_s8): Define intrinsic.
        (__arm_vstrbq_p_s32): Likewise.
        (__arm_vstrbq_p_s16): Likewise.
        (__arm_vstrbq_p_u8): Likewise.
        (__arm_vstrbq_p_u32): Likewise.
        (__arm_vstrbq_p_u16): Likewise.
        (__arm_vstrbq_scatter_offset_p_s8): Likewise.
        (__arm_vstrbq_scatter_offset_p_s32): Likewise.
        (__arm_vstrbq_scatter_offset_p_s16): Likewise.
        (__arm_vstrbq_scatter_offset_p_u8): Likewise.
        (__arm_vstrbq_scatter_offset_p_u32): Likewise.
        (__arm_vstrbq_scatter_offset_p_u16): Likewise.
        (__arm_vstrwq_scatter_base_p_s32): Likewise.
        (__arm_vstrwq_scatter_base_p_u32): Likewise.
        (vstrbq_p): Define polymorphic variant.
        (vstrbq_scatter_offset_p): Likewise.
        (vstrwq_scatter_base_p): Likewise.
        * config/arm/arm_mve_builtins.def (STRS_P_QUALIFIERS): Use builtin
        qualifier.
        (STRU_P_QUALIFIERS): Likewise.
        (STRSU_P_QUALIFIERS): Likewise.
        (STRSS_P_QUALIFIERS): Likewise.
        (STRSBS_P_QUALIFIERS): Likewise.
        (STRSBU_P_QUALIFIERS): Likewise.
        * config/arm/mve.md (mve_vstrbq_scatter_offset_p_<supf><mode>): Define
        RTL pattern.
        (mve_vstrwq_scatter_base_p_<supf>v4si): Likewise.
        (mve_vstrbq_p_<supf><mode>): Likewise.

2020-03-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm-builtins.c (LDRGU_QUALIFIERS): Define builtin
        qualifier.
        (LDRGS_QUALIFIERS): Likewise.
        (LDRS_QUALIFIERS): Likewise.
        (LDRU_QUALIFIERS): Likewise.
        (LDRGBS_QUALIFIERS): Likewise.
        (LDRGBU_QUALIFIERS): Likewise.
        * config/arm/arm_mve.h (vldrbq_gather_offset_u8): Define macro.
        (vldrbq_gather_offset_s8): Likewise.
        (vldrbq_s8): Likewise.
        (vldrbq_u8): Likewise.
        (vldrbq_gather_offset_u16): Likewise.
        (vldrbq_gather_offset_s16): Likewise.
        (vldrbq_s16): Likewise.
        (vldrbq_u16): Likewise.
        (vldrbq_gather_offset_u32): Likewise.
        (vldrbq_gather_offset_s32): Likewise.
        (vldrbq_s32): Likewise.
        (vldrbq_u32): Likewise.
        (vldrwq_gather_base_s32): Likewise.
        (vldrwq_gather_base_u32): Likewise.
        (__arm_vldrbq_gather_offset_u8): Define intrinsic.
        (__arm_vldrbq_gather_offset_s8): Likewise.
        (__arm_vldrbq_s8): Likewise.
        (__arm_vldrbq_u8): Likewise.
        (__arm_vldrbq_gather_offset_u16): Likewise.
        (__arm_vldrbq_gather_offset_s16): Likewise.
        (__arm_vldrbq_s16): Likewise.
        (__arm_vldrbq_u16): Likewise.
        (__arm_vldrbq_gather_offset_u32): Likewise.
        (__arm_vldrbq_gather_offset_s32): Likewise.
        (__arm_vldrbq_s32): Likewise.
        (__arm_vldrbq_u32): Likewise.
        (__arm_vldrwq_gather_base_s32): Likewise.
        (__arm_vldrwq_gather_base_u32): Likewise.
        (vldrbq_gather_offset): Define polymorphic variant.
        * config/arm/arm_mve_builtins.def (LDRGU_QUALIFIERS): Use builtin
        qualifier.
        (LDRGS_QUALIFIERS): Likewise.
        (LDRS_QUALIFIERS): Likewise.
        (LDRU_QUALIFIERS): Likewise.
        (LDRGBS_QUALIFIERS): Likewise.
        (LDRGBU_QUALIFIERS): Likewise.
        * config/arm/mve.md (VLDRBGOQ): Define iterator.
        (VLDRBQ): Likewise. 
        (VLDRWGBQ): Likewise.
        (mve_vldrbq_gather_offset_<supf><mode>): Define RTL pattern.
        (mve_vldrbq_<supf><mode>): Likewise.
        (mve_vldrwq_gather_base_<supf>v4si): Likewise.

2020-03-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm-builtins.c (STRS_QUALIFIERS): Define builtin qualifier.
        (STRU_QUALIFIERS): Likewise.
        (STRSS_QUALIFIERS): Likewise.
        (STRSU_QUALIFIERS): Likewise.
        (STRSBS_QUALIFIERS): Likewise.
        (STRSBU_QUALIFIERS): Likewise.
        * config/arm/arm_mve.h (vstrbq_s8): Define macro.
        (vstrbq_u8): Likewise.
        (vstrbq_u16): Likewise.
        (vstrbq_scatter_offset_s8): Likewise.
        (vstrbq_scatter_offset_u8): Likewise.
        (vstrbq_scatter_offset_u16): Likewise.
        (vstrbq_s16): Likewise.
        (vstrbq_u32): Likewise.
        (vstrbq_scatter_offset_s16): Likewise.
        (vstrbq_scatter_offset_u32): Likewise.
        (vstrbq_s32): Likewise.
        (vstrbq_scatter_offset_s32): Likewise.
        (vstrwq_scatter_base_s32): Likewise.
        (vstrwq_scatter_base_u32): Likewise.
        (__arm_vstrbq_scatter_offset_s8): Define intrinsic.
        (__arm_vstrbq_scatter_offset_s32): Likewise.
        (__arm_vstrbq_scatter_offset_s16): Likewise.
        (__arm_vstrbq_scatter_offset_u8): Likewise.
        (__arm_vstrbq_scatter_offset_u32): Likewise.
        (__arm_vstrbq_scatter_offset_u16): Likewise.
        (__arm_vstrbq_s8): Likewise.
        (__arm_vstrbq_s32): Likewise.
        (__arm_vstrbq_s16): Likewise.
        (__arm_vstrbq_u8): Likewise.
        (__arm_vstrbq_u32): Likewise.
        (__arm_vstrbq_u16): Likewise.
        (__arm_vstrwq_scatter_base_s32): Likewise.
        (__arm_vstrwq_scatter_base_u32): Likewise.
        (vstrbq): Define polymorphic variant.
        (vstrbq_scatter_offset): Likewise.
        (vstrwq_scatter_base): Likewise.
        * config/arm/arm_mve_builtins.def (STRS_QUALIFIERS): Use builtin
        qualifier.
        (STRU_QUALIFIERS): Likewise.
        (STRSS_QUALIFIERS): Likewise.
        (STRSU_QUALIFIERS): Likewise.
        (STRSBS_QUALIFIERS): Likewise.
        (STRSBU_QUALIFIERS): Likewise.
        * config/arm/mve.md (MVE_B_ELEM): Define mode attribute iterator.
        (VSTRWSBQ): Define iterators.
        (VSTRBSOQ): Likewise. 
        (VSTRBQ): Likewise.
        (mve_vstrbq_<supf><mode>): Define RTL pattern.
        (mve_vstrbq_scatter_offset_<supf><mode>): Likewise.
        (mve_vstrwq_scatter_base_<supf>v4si): Likewise.

2020-03-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm_mve.h (vabdq_m_f32): Define macro.
        (vabdq_m_f16): Likewise.
        (vaddq_m_f32): Likewise.
        (vaddq_m_f16): Likewise.
        (vaddq_m_n_f32): Likewise.
        (vaddq_m_n_f16): Likewise.
        (vandq_m_f32): Likewise.
        (vandq_m_f16): Likewise.
        (vbicq_m_f32): Likewise.
        (vbicq_m_f16): Likewise.
        (vbrsrq_m_n_f32): Likewise.
        (vbrsrq_m_n_f16): Likewise.
        (vcaddq_rot270_m_f32): Likewise.
        (vcaddq_rot270_m_f16): Likewise.
        (vcaddq_rot90_m_f32): Likewise.
        (vcaddq_rot90_m_f16): Likewise.
        (vcmlaq_m_f32): Likewise.
        (vcmlaq_m_f16): Likewise.
        (vcmlaq_rot180_m_f32): Likewise.
        (vcmlaq_rot180_m_f16): Likewise.
        (vcmlaq_rot270_m_f32): Likewise.
        (vcmlaq_rot270_m_f16): Likewise.
        (vcmlaq_rot90_m_f32): Likewise.
        (vcmlaq_rot90_m_f16): Likewise.
        (vcmulq_m_f32): Likewise.
        (vcmulq_m_f16): Likewise.
        (vcmulq_rot180_m_f32): Likewise.
        (vcmulq_rot180_m_f16): Likewise.
        (vcmulq_rot270_m_f32): Likewise.
        (vcmulq_rot270_m_f16): Likewise.
        (vcmulq_rot90_m_f32): Likewise.
        (vcmulq_rot90_m_f16): Likewise.
        (vcvtq_m_n_s32_f32): Likewise.
        (vcvtq_m_n_s16_f16): Likewise.
        (vcvtq_m_n_u32_f32): Likewise.
        (vcvtq_m_n_u16_f16): Likewise.
        (veorq_m_f32): Likewise.
        (veorq_m_f16): Likewise.
        (vfmaq_m_f32): Likewise.
        (vfmaq_m_f16): Likewise.
        (vfmaq_m_n_f32): Likewise.
        (vfmaq_m_n_f16): Likewise.
        (vfmasq_m_n_f32): Likewise.
        (vfmasq_m_n_f16): Likewise.
        (vfmsq_m_f32): Likewise.
        (vfmsq_m_f16): Likewise.
        (vmaxnmq_m_f32): Likewise.
        (vmaxnmq_m_f16): Likewise.
        (vminnmq_m_f32): Likewise.
        (vminnmq_m_f16): Likewise.
        (vmulq_m_f32): Likewise.
        (vmulq_m_f16): Likewise.
        (vmulq_m_n_f32): Likewise.
        (vmulq_m_n_f16): Likewise.
        (vornq_m_f32): Likewise.
        (vornq_m_f16): Likewise.
        (vorrq_m_f32): Likewise.
        (vorrq_m_f16): Likewise.
        (vsubq_m_f32): Likewise.
        (vsubq_m_f16): Likewise.
        (vsubq_m_n_f32): Likewise.
        (vsubq_m_n_f16): Likewise.
        (__attribute__): Likewise.
        (__arm_vabdq_m_f32): Likewise.
        (__arm_vabdq_m_f16): Likewise.
        (__arm_vaddq_m_f32): Likewise.
        (__arm_vaddq_m_f16): Likewise.
        (__arm_vaddq_m_n_f32): Likewise.
        (__arm_vaddq_m_n_f16): Likewise.
        (__arm_vandq_m_f32): Likewise.
        (__arm_vandq_m_f16): Likewise.
        (__arm_vbicq_m_f32): Likewise.
        (__arm_vbicq_m_f16): Likewise.
        (__arm_vbrsrq_m_n_f32): Likewise.
        (__arm_vbrsrq_m_n_f16): Likewise.
        (__arm_vcaddq_rot270_m_f32): Likewise.
        (__arm_vcaddq_rot270_m_f16): Likewise.
        (__arm_vcaddq_rot90_m_f32): Likewise.
        (__arm_vcaddq_rot90_m_f16): Likewise.
        (__arm_vcmlaq_m_f32): Likewise.
        (__arm_vcmlaq_m_f16): Likewise.
        (__arm_vcmlaq_rot180_m_f32): Likewise.
        (__arm_vcmlaq_rot180_m_f16): Likewise.
        (__arm_vcmlaq_rot270_m_f32): Likewise.
        (__arm_vcmlaq_rot270_m_f16): Likewise.
        (__arm_vcmlaq_rot90_m_f32): Likewise.
        (__arm_vcmlaq_rot90_m_f16): Likewise.
        (__arm_vcmulq_m_f32): Likewise.
        (__arm_vcmulq_m_f16): Likewise.
        (__arm_vcmulq_rot180_m_f32): Define intrinsic.
        (__arm_vcmulq_rot180_m_f16): Likewise.
        (__arm_vcmulq_rot270_m_f32): Likewise.
        (__arm_vcmulq_rot270_m_f16): Likewise.
        (__arm_vcmulq_rot90_m_f32): Likewise.
        (__arm_vcmulq_rot90_m_f16): Likewise.
        (__arm_vcvtq_m_n_s32_f32): Likewise.
        (__arm_vcvtq_m_n_s16_f16): Likewise.
        (__arm_vcvtq_m_n_u32_f32): Likewise.
        (__arm_vcvtq_m_n_u16_f16): Likewise.
        (__arm_veorq_m_f32): Likewise.
        (__arm_veorq_m_f16): Likewise.
        (__arm_vfmaq_m_f32): Likewise.
        (__arm_vfmaq_m_f16): Likewise.
        (__arm_vfmaq_m_n_f32): Likewise.
        (__arm_vfmaq_m_n_f16): Likewise.
        (__arm_vfmasq_m_n_f32): Likewise.
        (__arm_vfmasq_m_n_f16): Likewise.
        (__arm_vfmsq_m_f32): Likewise.
        (__arm_vfmsq_m_f16): Likewise.
        (__arm_vmaxnmq_m_f32): Likewise.
        (__arm_vmaxnmq_m_f16): Likewise.
        (__arm_vminnmq_m_f32): Likewise.
        (__arm_vminnmq_m_f16): Likewise.
        (__arm_vmulq_m_f32): Likewise.
        (__arm_vmulq_m_f16): Likewise.
        (__arm_vmulq_m_n_f32): Likewise.
        (__arm_vmulq_m_n_f16): Likewise.
        (__arm_vornq_m_f32): Likewise.
        (__arm_vornq_m_f16): Likewise.
        (__arm_vorrq_m_f32): Likewise.
        (__arm_vorrq_m_f16): Likewise.
        (__arm_vsubq_m_f32): Likewise.
        (__arm_vsubq_m_f16): Likewise.
        (__arm_vsubq_m_n_f32): Likewise.
        (__arm_vsubq_m_n_f16): Likewise.
        (vabdq_m): Define polymorphic variant.
        (vaddq_m): Likewise.
        (vaddq_m_n): Likewise.
        (vandq_m): Likewise.
        (vbicq_m): Likewise.
        (vbrsrq_m_n): Likewise.
        (vcaddq_rot270_m): Likewise.
        (vcaddq_rot90_m): Likewise.
        (vcmlaq_m): Likewise.
        (vcmlaq_rot180_m): Likewise.
        (vcmlaq_rot270_m): Likewise.
        (vcmlaq_rot90_m): Likewise.
        (vcmulq_m): Likewise.
        (vcmulq_rot180_m): Likewise.
        (vcmulq_rot270_m): Likewise.
        (vcmulq_rot90_m): Likewise.
        (veorq_m): Likewise.
        (vfmaq_m): Likewise.
        (vfmaq_m_n): Likewise.
        (vfmasq_m_n): Likewise.
        (vfmsq_m): Likewise.
        (vmaxnmq_m): Likewise.
        (vminnmq_m): Likewise.
        (vmulq_m): Likewise.
        (vmulq_m_n): Likewise.
        (vornq_m): Likewise.
        (vsubq_m): Likewise.
        (vsubq_m_n): Likewise.
        (vorrq_m): Likewise.
        * config/arm/arm_mve_builtins.def (QUADOP_NONE_NONE_NONE_IMM_UNONE): Use
        builtin qualifier.
        (QUADOP_NONE_NONE_NONE_NONE_UNONE): Likewise.
        (QUADOP_UNONE_UNONE_NONE_IMM_UNONE): Likewise.
        * config/arm/mve.md (mve_vabdq_m_f<mode>): Define RTL pattern.
        (mve_vaddq_m_f<mode>): Likewise.
        (mve_vaddq_m_n_f<mode>): Likewise.
        (mve_vandq_m_f<mode>): Likewise.
        (mve_vbicq_m_f<mode>): Likewise.
        (mve_vbrsrq_m_n_f<mode>): Likewise.
        (mve_vcaddq_rot270_m_f<mode>): Likewise.
        (mve_vcaddq_rot90_m_f<mode>): Likewise.
        (mve_vcmlaq_m_f<mode>): Likewise.
        (mve_vcmlaq_rot180_m_f<mode>): Likewise.
        (mve_vcmlaq_rot270_m_f<mode>): Likewise.
        (mve_vcmlaq_rot90_m_f<mode>): Likewise.
        (mve_vcmulq_m_f<mode>): Likewise.
        (mve_vcmulq_rot180_m_f<mode>): Likewise.
        (mve_vcmulq_rot270_m_f<mode>): Likewise.
        (mve_vcmulq_rot90_m_f<mode>): Likewise.
        (mve_veorq_m_f<mode>): Likewise.
        (mve_vfmaq_m_f<mode>): Likewise.
        (mve_vfmaq_m_n_f<mode>): Likewise.
        (mve_vfmasq_m_n_f<mode>): Likewise.
        (mve_vfmsq_m_f<mode>): Likewise.
        (mve_vmaxnmq_m_f<mode>): Likewise.
        (mve_vminnmq_m_f<mode>): Likewise.
        (mve_vmulq_m_f<mode>): Likewise.
        (mve_vmulq_m_n_f<mode>): Likewise.
        (mve_vornq_m_f<mode>): Likewise.
        (mve_vorrq_m_f<mode>): Likewise.
        (mve_vsubq_m_f<mode>): Likewise.
        (mve_vsubq_m_n_f<mode>): Likewise.

2020-03-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm-protos.h (arm_mve_immediate_check): 
        * config/arm/arm.c (arm_mve_immediate_check): Define fuction to check
        mode and interger value.
        * config/arm/arm_mve.h (vmlaldavaq_p_s32): Define macro.
        (vmlaldavaq_p_s16): Likewise.
        (vmlaldavaq_p_u32): Likewise.
        (vmlaldavaq_p_u16): Likewise.
        (vmlaldavaxq_p_s32): Likewise.
        (vmlaldavaxq_p_s16): Likewise.
        (vmlaldavaxq_p_u32): Likewise.
        (vmlaldavaxq_p_u16): Likewise.
        (vmlsldavaq_p_s32): Likewise.
        (vmlsldavaq_p_s16): Likewise.
        (vmlsldavaxq_p_s32): Likewise.
        (vmlsldavaxq_p_s16): Likewise.
        (vmullbq_poly_m_p8): Likewise.
        (vmullbq_poly_m_p16): Likewise.
        (vmulltq_poly_m_p8): Likewise.
        (vmulltq_poly_m_p16): Likewise.
        (vqdmullbq_m_n_s32): Likewise.
        (vqdmullbq_m_n_s16): Likewise.
        (vqdmullbq_m_s32): Likewise.
        (vqdmullbq_m_s16): Likewise.
        (vqdmulltq_m_n_s32): Likewise.
        (vqdmulltq_m_n_s16): Likewise.
        (vqdmulltq_m_s32): Likewise.
        (vqdmulltq_m_s16): Likewise.
        (vqrshrnbq_m_n_s32): Likewise.
        (vqrshrnbq_m_n_s16): Likewise.
        (vqrshrnbq_m_n_u32): Likewise.
        (vqrshrnbq_m_n_u16): Likewise.
        (vqrshrntq_m_n_s32): Likewise.
        (vqrshrntq_m_n_s16): Likewise.
        (vqrshrntq_m_n_u32): Likewise.
        (vqrshrntq_m_n_u16): Likewise.
        (vqrshrunbq_m_n_s32): Likewise.
        (vqrshrunbq_m_n_s16): Likewise.
        (vqrshruntq_m_n_s32): Likewise.
        (vqrshruntq_m_n_s16): Likewise.
        (vqshrnbq_m_n_s32): Likewise.
        (vqshrnbq_m_n_s16): Likewise.
        (vqshrnbq_m_n_u32): Likewise.
        (vqshrnbq_m_n_u16): Likewise.
        (vqshrntq_m_n_s32): Likewise.
        (vqshrntq_m_n_s16): Likewise.
        (vqshrntq_m_n_u32): Likewise.
        (vqshrntq_m_n_u16): Likewise.
        (vqshrunbq_m_n_s32): Likewise.
        (vqshrunbq_m_n_s16): Likewise.
        (vqshruntq_m_n_s32): Likewise.
        (vqshruntq_m_n_s16): Likewise.
        (vrmlaldavhaq_p_s32): Likewise.
        (vrmlaldavhaq_p_u32): Likewise.
        (vrmlaldavhaxq_p_s32): Likewise.
        (vrmlsldavhaq_p_s32): Likewise.
        (vrmlsldavhaxq_p_s32): Likewise.
        (vrshrnbq_m_n_s32): Likewise.
        (vrshrnbq_m_n_s16): Likewise.
        (vrshrnbq_m_n_u32): Likewise.
        (vrshrnbq_m_n_u16): Likewise.
        (vrshrntq_m_n_s32): Likewise.
        (vrshrntq_m_n_s16): Likewise.
        (vrshrntq_m_n_u32): Likewise.
        (vrshrntq_m_n_u16): Likewise.
        (vshllbq_m_n_s8): Likewise.
        (vshllbq_m_n_s16): Likewise.
        (vshllbq_m_n_u8): Likewise.
        (vshllbq_m_n_u16): Likewise.
        (vshlltq_m_n_s8): Likewise.
        (vshlltq_m_n_s16): Likewise.
        (vshlltq_m_n_u8): Likewise.
        (vshlltq_m_n_u16): Likewise.
        (vshrnbq_m_n_s32): Likewise.
        (vshrnbq_m_n_s16): Likewise.
        (vshrnbq_m_n_u32): Likewise.
        (vshrnbq_m_n_u16): Likewise.
        (vshrntq_m_n_s32): Likewise.
        (vshrntq_m_n_s16): Likewise.
        (vshrntq_m_n_u32): Likewise.
        (vshrntq_m_n_u16): Likewise.
        (__arm_vmlaldavaq_p_s32): Define intrinsic.
        (__arm_vmlaldavaq_p_s16): Likewise.
        (__arm_vmlaldavaq_p_u32): Likewise.
        (__arm_vmlaldavaq_p_u16): Likewise.
        (__arm_vmlaldavaxq_p_s32): Likewise.
        (__arm_vmlaldavaxq_p_s16): Likewise.
        (__arm_vmlaldavaxq_p_u32): Likewise.
        (__arm_vmlaldavaxq_p_u16): Likewise.
        (__arm_vmlsldavaq_p_s32): Likewise.
        (__arm_vmlsldavaq_p_s16): Likewise.
        (__arm_vmlsldavaxq_p_s32): Likewise.
        (__arm_vmlsldavaxq_p_s16): Likewise.
        (__arm_vmullbq_poly_m_p8): Likewise.
        (__arm_vmullbq_poly_m_p16): Likewise.
        (__arm_vmulltq_poly_m_p8): Likewise.
        (__arm_vmulltq_poly_m_p16): Likewise.
        (__arm_vqdmullbq_m_n_s32): Likewise.
        (__arm_vqdmullbq_m_n_s16): Likewise.
        (__arm_vqdmullbq_m_s32): Likewise.
        (__arm_vqdmullbq_m_s16): Likewise.
        (__arm_vqdmulltq_m_n_s32): Likewise.
        (__arm_vqdmulltq_m_n_s16): Likewise.
        (__arm_vqdmulltq_m_s32): Likewise.
        (__arm_vqdmulltq_m_s16): Likewise.
        (__arm_vqrshrnbq_m_n_s32): Likewise.
        (__arm_vqrshrnbq_m_n_s16): Likewise.
        (__arm_vqrshrnbq_m_n_u32): Likewise.
        (__arm_vqrshrnbq_m_n_u16): Likewise.
        (__arm_vqrshrntq_m_n_s32): Likewise.
        (__arm_vqrshrntq_m_n_s16): Likewise.
        (__arm_vqrshrntq_m_n_u32): Likewise.
        (__arm_vqrshrntq_m_n_u16): Likewise.
        (__arm_vqrshrunbq_m_n_s32): Likewise.
        (__arm_vqrshrunbq_m_n_s16): Likewise.
        (__arm_vqrshruntq_m_n_s32): Likewise.
        (__arm_vqrshruntq_m_n_s16): Likewise.
        (__arm_vqshrnbq_m_n_s32): Likewise.
        (__arm_vqshrnbq_m_n_s16): Likewise.
        (__arm_vqshrnbq_m_n_u32): Likewise.
        (__arm_vqshrnbq_m_n_u16): Likewise.
        (__arm_vqshrntq_m_n_s32): Likewise.
        (__arm_vqshrntq_m_n_s16): Likewise.
        (__arm_vqshrntq_m_n_u32): Likewise.
        (__arm_vqshrntq_m_n_u16): Likewise.
        (__arm_vqshrunbq_m_n_s32): Likewise.
        (__arm_vqshrunbq_m_n_s16): Likewise.
        (__arm_vqshruntq_m_n_s32): Likewise.
        (__arm_vqshruntq_m_n_s16): Likewise.
        (__arm_vrmlaldavhaq_p_s32): Likewise.
        (__arm_vrmlaldavhaq_p_u32): Likewise.
        (__arm_vrmlaldavhaxq_p_s32): Likewise.
        (__arm_vrmlsldavhaq_p_s32): Likewise.
        (__arm_vrmlsldavhaxq_p_s32): Likewise.
        (__arm_vrshrnbq_m_n_s32): Likewise.
        (__arm_vrshrnbq_m_n_s16): Likewise.
        (__arm_vrshrnbq_m_n_u32): Likewise.
        (__arm_vrshrnbq_m_n_u16): Likewise.
        (__arm_vrshrntq_m_n_s32): Likewise.
        (__arm_vrshrntq_m_n_s16): Likewise.
        (__arm_vrshrntq_m_n_u32): Likewise.
        (__arm_vrshrntq_m_n_u16): Likewise.
        (__arm_vshllbq_m_n_s8): Likewise.
        (__arm_vshllbq_m_n_s16): Likewise.
        (__arm_vshllbq_m_n_u8): Likewise.
        (__arm_vshllbq_m_n_u16): Likewise.
        (__arm_vshlltq_m_n_s8): Likewise.
        (__arm_vshlltq_m_n_s16): Likewise.
        (__arm_vshlltq_m_n_u8): Likewise.
        (__arm_vshlltq_m_n_u16): Likewise.
        (__arm_vshrnbq_m_n_s32): Likewise.
        (__arm_vshrnbq_m_n_s16): Likewise.
        (__arm_vshrnbq_m_n_u32): Likewise.
        (__arm_vshrnbq_m_n_u16): Likewise.
        (__arm_vshrntq_m_n_s32): Likewise.
        (__arm_vshrntq_m_n_s16): Likewise.
        (__arm_vshrntq_m_n_u32): Likewise.
        (__arm_vshrntq_m_n_u16): Likewise.
        (vmullbq_poly_m): Define polymorphic variant.
        (vmulltq_poly_m): Likewise.
        (vshllbq_m): Likewise.
        (vshrntq_m_n): Likewise.
        (vshrnbq_m_n): Likewise.
        (vshlltq_m_n): Likewise.
        (vshllbq_m_n): Likewise.
        (vrshrntq_m_n): Likewise.
        (vrshrnbq_m_n): Likewise.
        (vqshruntq_m_n): Likewise.
        (vqshrunbq_m_n): Likewise.
        (vqdmullbq_m_n): Likewise.
        (vqdmullbq_m): Likewise.
        (vqdmulltq_m_n): Likewise.
        (vqdmulltq_m): Likewise.
        (vqrshrnbq_m_n): Likewise.
        (vqrshrntq_m_n): Likewise.
        (vqrshrunbq_m_n): Likewise.
        (vqrshruntq_m_n): Likewise.
        (vqshrnbq_m_n): Likewise.
        (vqshrntq_m_n): Likewise.
        * config/arm/arm_mve_builtins.def (QUADOP_NONE_NONE_NONE_IMM_UNONE): Use
        builtin qualifiers.
        (QUADOP_NONE_NONE_NONE_NONE_UNONE): Likewise.
        (QUADOP_UNONE_UNONE_NONE_IMM_UNONE): Likewise.
        (QUADOP_UNONE_UNONE_UNONE_IMM_UNONE): Likewise.
        (QUADOP_UNONE_UNONE_UNONE_UNONE_UNONE): Likewise.
        * config/arm/mve.md (VMLALDAVAQ_P): Define iterator.
        (VMLALDAVAXQ_P): Likewise.
        (VQRSHRNBQ_M_N): Likewise.
        (VQRSHRNTQ_M_N): Likewise.
        (VQSHRNBQ_M_N): Likewise.
        (VQSHRNTQ_M_N): Likewise.
        (VRSHRNBQ_M_N): Likewise.
        (VRSHRNTQ_M_N): Likewise.
        (VSHLLBQ_M_N): Likewise.
        (VSHLLTQ_M_N): Likewise.
        (VSHRNBQ_M_N): Likewise.
        (VSHRNTQ_M_N): Likewise.
        (mve_vmlaldavaq_p_<supf><mode>): Define RTL pattern.
        (mve_vmlaldavaxq_p_<supf><mode>): Likewise.
        (mve_vqrshrnbq_m_n_<supf><mode>): Likewise.
        (mve_vqrshrntq_m_n_<supf><mode>): Likewise.
        (mve_vqshrnbq_m_n_<supf><mode>): Likewise.
        (mve_vqshrntq_m_n_<supf><mode>): Likewise.
        (mve_vrmlaldavhaq_p_sv4si): Likewise.
        (mve_vrshrnbq_m_n_<supf><mode>): Likewise.
        (mve_vrshrntq_m_n_<supf><mode>): Likewise.
        (mve_vshllbq_m_n_<supf><mode>): Likewise.
        (mve_vshlltq_m_n_<supf><mode>): Likewise.
        (mve_vshrnbq_m_n_<supf><mode>): Likewise.
        (mve_vshrntq_m_n_<supf><mode>): Likewise.
        (mve_vmlsldavaq_p_s<mode>): Likewise.
        (mve_vmlsldavaxq_p_s<mode>): Likewise.
        (mve_vmullbq_poly_m_p<mode>): Likewise.
        (mve_vmulltq_poly_m_p<mode>): Likewise.
        (mve_vqdmullbq_m_n_s<mode>): Likewise.
        (mve_vqdmullbq_m_s<mode>): Likewise.
        (mve_vqdmulltq_m_n_s<mode>): Likewise.
        (mve_vqdmulltq_m_s<mode>): Likewise.
        (mve_vqrshrunbq_m_n_s<mode>): Likewise.
        (mve_vqrshruntq_m_n_s<mode>): Likewise.
        (mve_vqshrunbq_m_n_s<mode>): Likewise.
        (mve_vqshruntq_m_n_s<mode>): Likewise.
        (mve_vrmlaldavhaq_p_uv4si): Likewise.
        (mve_vrmlaldavhaxq_p_sv4si): Likewise.
        (mve_vrmlsldavhaq_p_sv4si): Likewise.
        (mve_vrmlsldavhaxq_p_sv4si): Likewise.

2020-03-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
        
        * config/arm/arm_mve.h (vabdq_m_s8): Define macro.
        (vabdq_m_s32): Likewise.
        (vabdq_m_s16): Likewise.
        (vabdq_m_u8): Likewise.
        (vabdq_m_u32): Likewise.
        (vabdq_m_u16): Likewise.
        (vaddq_m_n_s8): Likewise.
        (vaddq_m_n_s32): Likewise.
        (vaddq_m_n_s16): Likewise.
        (vaddq_m_n_u8): Likewise.
        (vaddq_m_n_u32): Likewise.
        (vaddq_m_n_u16): Likewise.
        (vaddq_m_s8): Likewise.
        (vaddq_m_s32): Likewise.
        (vaddq_m_s16): Likewise.
        (vaddq_m_u8): Likewise.
        (vaddq_m_u32): Likewise.
        (vaddq_m_u16): Likewise.
        (vandq_m_s8): Likewise.
        (vandq_m_s32): Likewise.
        (vandq_m_s16): Likewise.
        (vandq_m_u8): Likewise.
        (vandq_m_u32): Likewise.
        (vandq_m_u16): Likewise.
        (vbicq_m_s8): Likewise.
        (vbicq_m_s32): Likewise.
        (vbicq_m_s16): Likewise.
        (vbicq_m_u8): Likewise.
        (vbicq_m_u32): Likewise.
        (vbicq_m_u16): Likewise.
        (vbrsrq_m_n_s8): Likewise.
        (vbrsrq_m_n_s32): Likewise.
        (vbrsrq_m_n_s16): Likewise.
        (vbrsrq_m_n_u8): Likewise.
        (vbrsrq_m_n_u32): Likewise.
        (vbrsrq_m_n_u16): Likewise.
        (vcaddq_rot270_m_s8): Likewise.
        (vcaddq_rot270_m_s32): Likewise.
        (vcaddq_rot270_m_s16): Likewise.
        (vcaddq_rot270_m_u8): Likewise.
        (vcaddq_rot270_m_u32): Likewise.
        (vcaddq_rot270_m_u16): Likewise.
        (vcaddq_rot90_m_s8): Likewise.
        (vcaddq_rot90_m_s32): Likewise.
        (vcaddq_rot90_m_s16): Likewise.
        (vcaddq_rot90_m_u8): Likewise.
        (vcaddq_rot90_m_u32): Likewise.
        (vcaddq_rot90_m_u16): Likewise.
        (veorq_m_s8): Likewise.
        (veorq_m_s32): Likewise.
        (veorq_m_s16): Likewise.
        (veorq_m_u8): Likewise.
        (veorq_m_u32): Likewise.
        (veorq_m_u16): Likewise.
        (vhaddq_m_n_s8): Likewise.
        (vhaddq_m_n_s32): Likewise.
        (vhaddq_m_n_s16): Likewise.
        (vhaddq_m_n_u8): Likewise.
        (vhaddq_m_n_u32): Likewise.
        (vhaddq_m_n_u16): Likewise.
        (vhaddq_m_s8): Likewise.
        (vhaddq_m_s32): Likewise.
        (vhaddq_m_s16): Likewise.
        (vhaddq_m_u8): Likewise.
        (vhaddq_m_u32): Likewise.
        (vhaddq_m_u16): Likewise.
        (vhcaddq_rot270_m_s8): Likewise.
        (vhcaddq_rot270_m_s32): Likewise.
        (vhcaddq_rot270_m_s16): Likewise.
        (vhcaddq_rot90_m_s8): Likewise.
        (vhcaddq_rot90_m_s32): Likewise.
        (vhcaddq_rot90_m_s16): Likewise.
        (vhsubq_m_n_s8): Likewise.
        (vhsubq_m_n_s32): Likewise.
        (vhsubq_m_n_s16): Likewise.
        (vhsubq_m_n_u8): Likewise.
        (vhsubq_m_n_u32): Likewise.
        (vhsubq_m_n_u16): Likewise.
        (vhsubq_m_s8): Likewise.
        (vhsubq_m_s32): Likewise.
        (vhsubq_m_s16): Likewise.
        (vhsubq_m_u8): Likewise.
        (vhsubq_m_u32): Likewise.
        (vhsubq_m_u16): Likewise.
        (vmaxq_m_s8): Likewise.
        (vmaxq_m_s32): Likewise.
        (vmaxq_m_s16): Likewise.
        (vmaxq_m_u8): Likewise.
        (vmaxq_m_u32): Likewise.
        (vmaxq_m_u16): Likewise.
        (vminq_m_s8): Likewise.
        (vminq_m_s32): Likewise.
        (vminq_m_s16): Likewise.
        (vminq_m_u8): Likewise.
        (vminq_m_u32): Likewise.
        (vminq_m_u16): Likewise.
        (vmladavaq_p_s8): Likewise.
        (vmladavaq_p_s32): Likewise.
        (vmladavaq_p_s16): Likewise.
        (vmladavaq_p_u8): Likewise.
        (vmladavaq_p_u32): Likewise.
        (vmladavaq_p_u16): Likewise.
        (vmladavaxq_p_s8): Likewise.
        (vmladavaxq_p_s32): Likewise.
        (vmladavaxq_p_s16): Likewise.
        (vmlaq_m_n_s8): Likewise.
        (vmlaq_m_n_s32): Likewise.
        (vmlaq_m_n_s16): Likewise.
        (vmlaq_m_n_u8): Likewise.
        (vmlaq_m_n_u32): Likewise.
        (vmlaq_m_n_u16): Likewise.
        (vmlasq_m_n_s8): Likewise.
        (vmlasq_m_n_s32): Likewise.
        (vmlasq_m_n_s16): Likewise.
        (vmlasq_m_n_u8): Likewise.
        (vmlasq_m_n_u32): Likewise.
        (vmlasq_m_n_u16): Likewise.
        (vmlsdavaq_p_s8): Likewise.
        (vmlsdavaq_p_s32): Likewise.
        (vmlsdavaq_p_s16): Likewise.
        (vmlsdavaxq_p_s8): Likewise.
        (vmlsdavaxq_p_s32): Likewise.
        (vmlsdavaxq_p_s16): Likewise.
        (vmulhq_m_s8): Likewise.
        (vmulhq_m_s32): Likewise.
        (vmulhq_m_s16): Likewise.
        (vmulhq_m_u8): Likewise.
        (vmulhq_m_u32): Likewise.
        (vmulhq_m_u16): Likewise.
        (vmullbq_int_m_s8): Likewise.
        (vmullbq_int_m_s32): Likewise.
        (vmullbq_int_m_s16): Likewise.
        (vmullbq_int_m_u8): Likewise.
        (vmullbq_int_m_u32): Likewise.
        (vmullbq_int_m_u16): Likewise.
        (vmulltq_int_m_s8): Likewise.
        (vmulltq_int_m_s32): Likewise.
        (vmulltq_int_m_s16): Likewise.
        (vmulltq_int_m_u8): Likewise.
        (vmulltq_int_m_u32): Likewise.
        (vmulltq_int_m_u16): Likewise.
        (vmulq_m_n_s8): Likewise.
        (vmulq_m_n_s32): Likewise.
        (vmulq_m_n_s16): Likewise.
        (vmulq_m_n_u8): Likewise.
        (vmulq_m_n_u32): Likewise.
        (vmulq_m_n_u16): Likewise.
        (vmulq_m_s8): Likewise.
        (vmulq_m_s32): Likewise.
        (vmulq_m_s16): Likewise.
        (vmulq_m_u8): Likewise.
        (vmulq_m_u32): Likewise.
        (vmulq_m_u16): Likewise.
        (vornq_m_s8): Likewise.
        (vornq_m_s32): Likewise.
        (vornq_m_s16): Likewise.
        (vornq_m_u8): Likewise.
        (vornq_m_u32): Likewise.
        (vornq_m_u16): Likewise.
        (vorrq_m_s8): Likewise.
        (vorrq_m_s32): Likewise.
        (vorrq_m_s16): Likewise.
        (vorrq_m_u8): Likewise.
        (vorrq_m_u32): Likewise.
        (vorrq_m_u16): Likewise.
        (vqaddq_m_n_s8): Likewise.
        (vqaddq_m_n_s32): Likewise.
        (vqaddq_m_n_s16): Likewise.
        (vqaddq_m_n_u8): Likewise.
        (vqaddq_m_n_u32): Likewise.
        (vqaddq_m_n_u16): Likewise.
        (vqaddq_m_s8): Likewise.
        (vqaddq_m_s32): Likewise.
        (vqaddq_m_s16): Likewise.
        (vqaddq_m_u8): Likewise.
        (vqaddq_m_u32): Likewise.
        (vqaddq_m_u16): Likewise.
        (vqdmladhq_m_s8): Likewise.
        (vqdmladhq_m_s32): Likewise.
        (vqdmladhq_m_s16): Likewise.
        (vqdmladhxq_m_s8): Likewise.
        (vqdmladhxq_m_s32): Likewise.
        (vqdmladhxq_m_s16): Likewise.
        (vqdmlahq_m_n_s8): Likewise.
        (vqdmlahq_m_n_s32): Likewise.
        (vqdmlahq_m_n_s16): Likewise.
        (vqdmlahq_m_n_u8): Likewise.
        (vqdmlahq_m_n_u32): Likewise.
        (vqdmlahq_m_n_u16): Likewise.
        (vqdmlsdhq_m_s8): Likewise.
        (vqdmlsdhq_m_s32): Likewise.
        (vqdmlsdhq_m_s16): Likewise.
        (vqdmlsdhxq_m_s8): Likewise.
        (vqdmlsdhxq_m_s32): Likewise.
        (vqdmlsdhxq_m_s16): Likewise.
        (vqdmulhq_m_n_s8): Likewise.
        (vqdmulhq_m_n_s32): Likewise.
        (vqdmulhq_m_n_s16): Likewise.
        (vqdmulhq_m_s8): Likewise.
        (vqdmulhq_m_s32): Likewise.
        (vqdmulhq_m_s16): Likewise.
        (vqrdmladhq_m_s8): Likewise.
        (vqrdmladhq_m_s32): Likewise.
        (vqrdmladhq_m_s16): Likewise.
        (vqrdmladhxq_m_s8): Likewise.
        (vqrdmladhxq_m_s32): Likewise.
        (vqrdmladhxq_m_s16): Likewise.
        (vqrdmlahq_m_n_s8): Likewise.
        (vqrdmlahq_m_n_s32): Likewise.
        (vqrdmlahq_m_n_s16): Likewise.
        (vqrdmlahq_m_n_u8): Likewise.
        (vqrdmlahq_m_n_u32): Likewise.
        (vqrdmlahq_m_n_u16): Likewise.
        (vqrdmlashq_m_n_s8): Likewise.
        (vqrdmlashq_m_n_s32): Likewise.
        (vqrdmlashq_m_n_s16): Likewise.
        (vqrdmlashq_m_n_u8): Likewise.
        (vqrdmlashq_m_n_u32): Likewise.
        (vqrdmlashq_m_n_u16): Likewise.
        (vqrdmlsdhq_m_s8): Likewise.
        (vqrdmlsdhq_m_s32): Likewise.
        (vqrdmlsdhq_m_s16): Likewise.
        (vqrdmlsdhxq_m_s8): Likewise.
        (vqrdmlsdhxq_m_s32): Likewise.
        (vqrdmlsdhxq_m_s16): Likewise.
        (vqrdmulhq_m_n_s8): Likewise.
        (vqrdmulhq_m_n_s32): Likewise.
        (vqrdmulhq_m_n_s16): Likewise.
        (vqrdmulhq_m_s8): Likewise.
        (vqrdmulhq_m_s32): Likewise.
        (vqrdmulhq_m_s16): Likewise.
        (vqrshlq_m_s8): Likewise.
        (vqrshlq_m_s32): Likewise.
        (vqrshlq_m_s16): Likewise.
        (vqrshlq_m_u8): Likewise.
        (vqrshlq_m_u32): Likewise.
        (vqrshlq_m_u16): Likewise.
        (vqshlq_m_n_s8): Likewise.
        (vqshlq_m_n_s32): Likewise.
        (vqshlq_m_n_s16): Likewise.
        (vqshlq_m_n_u8): Likewise.
        (vqshlq_m_n_u32): Likewise.
        (vqshlq_m_n_u16): Likewise.
        (vqshlq_m_s8): Likewise.
        (vqshlq_m_s32): Likewise.
        (vqshlq_m_s16): Likewise.
        (vqshlq_m_u8): Likewise.
        (vqshlq_m_u32): Likewise.
        (vqshlq_m_u16): Likewise.
        (vqsubq_m_n_s8): Likewise.
        (vqsubq_m_n_s32): Likewise.
        (vqsubq_m_n_s16): Likewise.
        (vqsubq_m_n_u8): Likewise.
        (vqsubq_m_n_u32): Likewise.
        (vqsubq_m_n_u16): Likewise.
        (vqsubq_m_s8): Likewise.
        (vqsubq_m_s32): Likewise.
        (vqsubq_m_s16): Likewise.
        (vqsubq_m_u8): Likewise.
        (vqsubq_m_u32): Likewise.
        (vqsubq_m_u16): Likewise.
        (vrhaddq_m_s8): Likewise.
        (vrhaddq_m_s32): Likewise.
        (vrhaddq_m_s16): Likewise.
        (vrhaddq_m_u8): Likewise.
        (vrhaddq_m_u32): Likewise.
        (vrhaddq_m_u16): Likewise.
        (vrmulhq_m_s8): Likewise.
        (vrmulhq_m_s32): Likewise.
        (vrmulhq_m_s16): Likewise.
        (vrmulhq_m_u8): Likewise.
        (vrmulhq_m_u32): Likewise.
        (vrmulhq_m_u16): Likewise.
        (vrshlq_m_s8): Likewise.
        (vrshlq_m_s32): Likewise.
        (vrshlq_m_s16): Likewise.
        (vrshlq_m_u8): Likewise.
        (vrshlq_m_u32): Likewise.
        (vrshlq_m_u16): Likewise.
        (vrshrq_m_n_s8): Likewise.
        (vrshrq_m_n_s32): Likewise.
        (vrshrq_m_n_s16): Likewise.
        (vrshrq_m_n_u8): Likewise.
        (vrshrq_m_n_u32): Likewise.
        (vrshrq_m_n_u16): Likewise.
        (vshlq_m_n_s8): Likewise.
        (vshlq_m_n_s32): Likewise.
        (vshlq_m_n_s16): Likewise.
        (vshlq_m_n_u8): Likewise.
        (vshlq_m_n_u32): Likewise.
        (vshlq_m_n_u16): Likewise.
        (vshrq_m_n_s8): Likewise.
        (vshrq_m_n_s32): Likewise.
        (vshrq_m_n_s16): Likewise.
        (vshrq_m_n_u8): Likewise.
        (vshrq_m_n_u32): Likewise.
        (vshrq_m_n_u16): Likewise.
        (vsliq_m_n_s8): Likewise.
        (vsliq_m_n_s32): Likewise.
        (vsliq_m_n_s16): Likewise.
        (vsliq_m_n_u8): Likewise.
        (vsliq_m_n_u32): Likewise.
        (vsliq_m_n_u16): Likewise.
        (vsubq_m_n_s8): Likewise.
        (vsubq_m_n_s32): Likewise.
        (vsubq_m_n_s16): Likewise.
        (vsubq_m_n_u8): Likewise.
        (vsubq_m_n_u32): Likewise.
        (vsubq_m_n_u16): Likewise.
        (__arm_vabdq_m_s8): Define intrinsic.
        (__arm_vabdq_m_s32): Likewise.
        (__arm_vabdq_m_s16): Likewise.
        (__arm_vabdq_m_u8): Likewise.
        (__arm_vabdq_m_u32): Likewise.
        (__arm_vabdq_m_u16): Likewise.
        (__arm_vaddq_m_n_s8): Likewise.
        (__arm_vaddq_m_n_s32): Likewise.
        (__arm_vaddq_m_n_s16): Likewise.
        (__arm_vaddq_m_n_u8): Likewise.
        (__arm_vaddq_m_n_u32): Likewise.
        (__arm_vaddq_m_n_u16): Likewise.
        (__arm_vaddq_m_s8): Likewise.
        (__arm_vaddq_m_s32): Likewise.
        (__arm_vaddq_m_s16): Likewise.
        (__arm_vaddq_m_u8): Likewise.
        (__arm_vaddq_m_u32): Likewise.
        (__arm_vaddq_m_u16): Likewise.
        (__arm_vandq_m_s8): Likewise.
        (__arm_vandq_m_s32): Likewise.
        (__arm_vandq_m_s16): Likewise.
        (__arm_vandq_m_u8): Likewise.
        (__arm_vandq_m_u32): Likewise.
        (__arm_vandq_m_u16): Likewise.
        (__arm_vbicq_m_s8): Likewise.
        (__arm_vbicq_m_s32): Likewise.
        (__arm_vbicq_m_s16): Likewise.
        (__arm_vbicq_m_u8): Likewise.
        (__arm_vbicq_m_u32): Likewise.
        (__arm_vbicq_m_u16): Likewise.
        (__arm_vbrsrq_m_n_s8): Likewise.
        (__arm_vbrsrq_m_n_s32): Likewise.
        (__arm_vbrsrq_m_n_s16): Likewise.
        (__arm_vbrsrq_m_n_u8): Likewise.
        (__arm_vbrsrq_m_n_u32): Likewise.
        (__arm_vbrsrq_m_n_u16): Likewise.
        (__arm_vcaddq_rot270_m_s8): Likewise.
        (__arm_vcaddq_rot270_m_s32): Likewise.
        (__arm_vcaddq_rot270_m_s16): Likewise.
        (__arm_vcaddq_rot270_m_u8): Likewise.
        (__arm_vcaddq_rot270_m_u32): Likewise.
        (__arm_vcaddq_rot270_m_u16): Likewise.
        (__arm_vcaddq_rot90_m_s8): Likewise.
        (__arm_vcaddq_rot90_m_s32): Likewise.
        (__arm_vcaddq_rot90_m_s16): Likewise.
        (__arm_vcaddq_rot90_m_u8): Likewise.
        (__arm_vcaddq_rot90_m_u32): Likewise.
        (__arm_vcaddq_rot90_m_u16): Likewise.
        (__arm_veorq_m_s8): Likewise.
        (__arm_veorq_m_s32): Likewise.
        (__arm_veorq_m_s16): Likewise.
        (__arm_veorq_m_u8): Likewise.
        (__arm_veorq_m_u32): Likewise.
        (__arm_veorq_m_u16): Likewise.
        (__arm_vhaddq_m_n_s8): Likewise.
        (__arm_vhaddq_m_n_s32): Likewise.
        (__arm_vhaddq_m_n_s16): Likewise.
        (__arm_vhaddq_m_n_u8): Likewise.
        (__arm_vhaddq_m_n_u32): Likewise.
        (__arm_vhaddq_m_n_u16): Likewise.
        (__arm_vhaddq_m_s8): Likewise.
        (__arm_vhaddq_m_s32): Likewise.
        (__arm_vhaddq_m_s16): Likewise.
        (__arm_vhaddq_m_u8): Likewise.
        (__arm_vhaddq_m_u32): Likewise.
        (__arm_vhaddq_m_u16): Likewise.
        (__arm_vhcaddq_rot270_m_s8): Likewise.
        (__arm_vhcaddq_rot270_m_s32): Likewise.
        (__arm_vhcaddq_rot270_m_s16): Likewise.
        (__arm_vhcaddq_rot90_m_s8): Likewise.
        (__arm_vhcaddq_rot90_m_s32): Likewise.
        (__arm_vhcaddq_rot90_m_s16): Likewise.
        (__arm_vhsubq_m_n_s8): Likewise.
        (__arm_vhsubq_m_n_s32): Likewise.
        (__arm_vhsubq_m_n_s16): Likewise.
        (__arm_vhsubq_m_n_u8): Likewise.
        (__arm_vhsubq_m_n_u32): Likewise.
        (__arm_vhsubq_m_n_u16): Likewise.
        (__arm_vhsubq_m_s8): Likewise.
        (__arm_vhsubq_m_s32): Likewise.
        (__arm_vhsubq_m_s16): Likewise.
        (__arm_vhsubq_m_u8): Likewise.
        (__arm_vhsubq_m_u32): Likewise.
        (__arm_vhsubq_m_u16): Likewise.
        (__arm_vmaxq_m_s8): Likewise.
        (__arm_vmaxq_m_s32): Likewise.
        (__arm_vmaxq_m_s16): Likewise.
        (__arm_vmaxq_m_u8): Likewise.
        (__arm_vmaxq_m_u32): Likewise.
        (__arm_vmaxq_m_u16): Likewise.
        (__arm_vminq_m_s8): Likewise.
        (__arm_vminq_m_s32): Likewise.
        (__arm_vminq_m_s16): Likewise.
        (__arm_vminq_m_u8): Likewise.
        (__arm_vminq_m_u32): Likewise.
        (__arm_vminq_m_u16): Likewise.
        (__arm_vmladavaq_p_s8): Likewise.
        (__arm_vmladavaq_p_s32): Likewise.
        (__arm_vmladavaq_p_s16): Likewise.
        (__arm_vmladavaq_p_u8): Likewise.
        (__arm_vmladavaq_p_u32): Likewise.
        (__arm_vmladavaq_p_u16): Likewise.
        (__arm_vmladavaxq_p_s8): Likewise.
        (__arm_vmladavaxq_p_s32): Likewise.
        (__arm_vmladavaxq_p_s16): Likewise.
        (__arm_vmlaq_m_n_s8): Likewise.
        (__arm_vmlaq_m_n_s32): Likewise.
        (__arm_vmlaq_m_n_s16): Likewise.
        (__arm_vmlaq_m_n_u8): Likewise.
        (__arm_vmlaq_m_n_u32): Likewise.
        (__arm_vmlaq_m_n_u16): Likewise.
        (__arm_vmlasq_m_n_s8): Likewise.
        (__arm_vmlasq_m_n_s32): Likewise.
        (__arm_vmlasq_m_n_s16): Likewise.
        (__arm_vmlasq_m_n_u8): Likewise.
        (__arm_vmlasq_m_n_u32): Likewise.
        (__arm_vmlasq_m_n_u16): Likewise.
        (__arm_vmlsdavaq_p_s8): Likewise.
        (__arm_vmlsdavaq_p_s32): Likewise.
        (__arm_vmlsdavaq_p_s16): Likewise.
        (__arm_vmlsdavaxq_p_s8): Likewise.
        (__arm_vmlsdavaxq_p_s32): Likewise.
        (__arm_vmlsdavaxq_p_s16): Likewise.
        (__arm_vmulhq_m_s8): Likewise.
        (__arm_vmulhq_m_s32): Likewise.
        (__arm_vmulhq_m_s16): Likewise.
        (__arm_vmulhq_m_u8): Likewise.
        (__arm_vmulhq_m_u32): Likewise.
        (__arm_vmulhq_m_u16): Likewise.
        (__arm_vmullbq_int_m_s8): Likewise.
        (__arm_vmullbq_int_m_s32): Likewise.
        (__arm_vmullbq_int_m_s16): Likewise.
        (__arm_vmullbq_int_m_u8): Likewise.
        (__arm_vmullbq_int_m_u32): Likewise.
        (__arm_vmullbq_int_m_u16): Likewise.
        (__arm_vmulltq_int_m_s8): Likewise.
        (__arm_vmulltq_int_m_s32): Likewise.
        (__arm_vmulltq_int_m_s16): Likewise.
        (__arm_vmulltq_int_m_u8): Likewise.
        (__arm_vmulltq_int_m_u32): Likewise.
        (__arm_vmulltq_int_m_u16): Likewise.
        (__arm_vmulq_m_n_s8): Likewise.
        (__arm_vmulq_m_n_s32): Likewise.
        (__arm_vmulq_m_n_s16): Likewise.
        (__arm_vmulq_m_n_u8): Likewise.
        (__arm_vmulq_m_n_u32): Likewise.
        (__arm_vmulq_m_n_u16): Likewise.
        (__arm_vmulq_m_s8): Likewise.
        (__arm_vmulq_m_s32): Likewise.
        (__arm_vmulq_m_s16): Likewise.
        (__arm_vmulq_m_u8): Likewise.
        (__arm_vmulq_m_u32): Likewise.
        (__arm_vmulq_m_u16): Likewise.
        (__arm_vornq_m_s8): Likewise.
        (__arm_vornq_m_s32): Likewise.
        (__arm_vornq_m_s16): Likewise.
        (__arm_vornq_m_u8): Likewise.
        (__arm_vornq_m_u32): Likewise.
        (__arm_vornq_m_u16): Likewise.
        (__arm_vorrq_m_s8): Likewise.
        (__arm_vorrq_m_s32): Likewise.
        (__arm_vorrq_m_s16): Likewise.
        (__arm_vorrq_m_u8): Likewise.
        (__arm_vorrq_m_u32): Likewise.
        (__arm_vorrq_m_u16): Likewise.
        (__arm_vqaddq_m_n_s8): Likewise.
        (__arm_vqaddq_m_n_s32): Likewise.
        (__arm_vqaddq_m_n_s16): Likewise.
        (__arm_vqaddq_m_n_u8): Likewise.
        (__arm_vqaddq_m_n_u32): Likewise.
        (__arm_vqaddq_m_n_u16): Likewise.
        (__arm_vqaddq_m_s8): Likewise.
        (__arm_vqaddq_m_s32): Likewise.
        (__arm_vqaddq_m_s16): Likewise.
        (__arm_vqaddq_m_u8): Likewise.
        (__arm_vqaddq_m_u32): Likewise.
        (__arm_vqaddq_m_u16): Likewise.
        (__arm_vqdmladhq_m_s8): Likewise.
        (__arm_vqdmladhq_m_s32): Likewise.
        (__arm_vqdmladhq_m_s16): Likewise.
        (__arm_vqdmladhxq_m_s8): Likewise.
        (__arm_vqdmladhxq_m_s32): Likewise.
        (__arm_vqdmladhxq_m_s16): Likewise.
        (__arm_vqdmlahq_m_n_s8): Likewise.
        (__arm_vqdmlahq_m_n_s32): Likewise.
        (__arm_vqdmlahq_m_n_s16): Likewise.
        (__arm_vqdmlahq_m_n_u8): Likewise.
        (__arm_vqdmlahq_m_n_u32): Likewise.
        (__arm_vqdmlahq_m_n_u16): Likewise.
        (__arm_vqdmlsdhq_m_s8): Likewise.
        (__arm_vqdmlsdhq_m_s32): Likewise.
        (__arm_vqdmlsdhq_m_s16): Likewise.
        (__arm_vqdmlsdhxq_m_s8): Likewise.
        (__arm_vqdmlsdhxq_m_s32): Likewise.
        (__arm_vqdmlsdhxq_m_s16): Likewise.
        (__arm_vqdmulhq_m_n_s8): Likewise.
        (__arm_vqdmulhq_m_n_s32): Likewise.
        (__arm_vqdmulhq_m_n_s16): Likewise.
        (__arm_vqdmulhq_m_s8): Likewise.
        (__arm_vqdmulhq_m_s32): Likewise.
        (__arm_vqdmulhq_m_s16): Likewise.
        (__arm_vqrdmladhq_m_s8): Likewise.
        (__arm_vqrdmladhq_m_s32): Likewise.
        (__arm_vqrdmladhq_m_s16): Likewise.
        (__arm_vqrdmladhxq_m_s8): Likewise.
        (__arm_vqrdmladhxq_m_s32): Likewise.
        (__arm_vqrdmladhxq_m_s16): Likewise.
        (__arm_vqrdmlahq_m_n_s8): Likewise.
        (__arm_vqrdmlahq_m_n_s32): Likewise.
        (__arm_vqrdmlahq_m_n_s16): Likewise.
        (__arm_vqrdmlahq_m_n_u8): Likewise.
        (__arm_vqrdmlahq_m_n_u32): Likewise.
        (__arm_vqrdmlahq_m_n_u16): Likewise.
        (__arm_vqrdmlashq_m_n_s8): Likewise.
        (__arm_vqrdmlashq_m_n_s32): Likewise.
        (__arm_vqrdmlashq_m_n_s16): Likewise.
        (__arm_vqrdmlashq_m_n_u8): Likewise.
        (__arm_vqrdmlashq_m_n_u32): Likewise.
        (__arm_vqrdmlashq_m_n_u16): Likewise.
        (__arm_vqrdmlsdhq_m_s8): Likewise.
        (__arm_vqrdmlsdhq_m_s32): Likewise.
        (__arm_vqrdmlsdhq_m_s16): Likewise.
        (__arm_vqrdmlsdhxq_m_s8): Likewise.
        (__arm_vqrdmlsdhxq_m_s32): Likewise.
        (__arm_vqrdmlsdhxq_m_s16): Likewise.
        (__arm_vqrdmulhq_m_n_s8): Likewise.
        (__arm_vqrdmulhq_m_n_s32): Likewise.
        (__arm_vqrdmulhq_m_n_s16): Likewise.
        (__arm_vqrdmulhq_m_s8): Likewise.
        (__arm_vqrdmulhq_m_s32): Likewise.
        (__arm_vqrdmulhq_m_s16): Likewise.
        (__arm_vqrshlq_m_s8): Likewise.
        (__arm_vqrshlq_m_s32): Likewise.
        (__arm_vqrshlq_m_s16): Likewise.
        (__arm_vqrshlq_m_u8): Likewise.
        (__arm_vqrshlq_m_u32): Likewise.
        (__arm_vqrshlq_m_u16): Likewise.
        (__arm_vqshlq_m_n_s8): Likewise.
        (__arm_vqshlq_m_n_s32): Likewise.
        (__arm_vqshlq_m_n_s16): Likewise.
        (__arm_vqshlq_m_n_u8): Likewise.
        (__arm_vqshlq_m_n_u32): Likewise.
        (__arm_vqshlq_m_n_u16): Likewise.
        (__arm_vqshlq_m_s8): Likewise.
        (__arm_vqshlq_m_s32): Likewise.
        (__arm_vqshlq_m_s16): Likewise.
        (__arm_vqshlq_m_u8): Likewise.
        (__arm_vqshlq_m_u32): Likewise.
        (__arm_vqshlq_m_u16): Likewise.
        (__arm_vqsubq_m_n_s8): Likewise.
        (__arm_vqsubq_m_n_s32): Likewise.
        (__arm_vqsubq_m_n_s16): Likewise.
        (__arm_vqsubq_m_n_u8): Likewise.
        (__arm_vqsubq_m_n_u32): Likewise.
        (__arm_vqsubq_m_n_u16): Likewise.
        (__arm_vqsubq_m_s8): Likewise.
        (__arm_vqsubq_m_s32): Likewise.
        (__arm_vqsubq_m_s16): Likewise.
        (__arm_vqsubq_m_u8): Likewise.
        (__arm_vqsubq_m_u32): Likewise.
        (__arm_vqsubq_m_u16): Likewise.
        (__arm_vrhaddq_m_s8): Likewise.
        (__arm_vrhaddq_m_s32): Likewise.
        (__arm_vrhaddq_m_s16): Likewise.
        (__arm_vrhaddq_m_u8): Likewise.
        (__arm_vrhaddq_m_u32): Likewise.
        (__arm_vrhaddq_m_u16): Likewise.
        (__arm_vrmulhq_m_s8): Likewise.
        (__arm_vrmulhq_m_s32): Likewise.
        (__arm_vrmulhq_m_s16): Likewise.
        (__arm_vrmulhq_m_u8): Likewise.
        (__arm_vrmulhq_m_u32): Likewise.
        (__arm_vrmulhq_m_u16): Likewise.
        (__arm_vrshlq_m_s8): Likewise.
        (__arm_vrshlq_m_s32): Likewise.
        (__arm_vrshlq_m_s16): Likewise.
        (__arm_vrshlq_m_u8): Likewise.
        (__arm_vrshlq_m_u32): Likewise.
        (__arm_vrshlq_m_u16): Likewise.
        (__arm_vrshrq_m_n_s8): Likewise.
        (__arm_vrshrq_m_n_s32): Likewise.
        (__arm_vrshrq_m_n_s16): Likewise.
        (__arm_vrshrq_m_n_u8): Likewise.
        (__arm_vrshrq_m_n_u32): Likewise.
        (__arm_vrshrq_m_n_u16): Likewise.
        (__arm_vshlq_m_n_s8): Likewise.
        (__arm_vshlq_m_n_s32): Likewise.
        (__arm_vshlq_m_n_s16): Likewise.
        (__arm_vshlq_m_n_u8): Likewise.
        (__arm_vshlq_m_n_u32): Likewise.
        (__arm_vshlq_m_n_u16): Likewise.
        (__arm_vshrq_m_n_s8): Likewise.
        (__arm_vshrq_m_n_s32): Likewise.
        (__arm_vshrq_m_n_s16): Likewise.
        (__arm_vshrq_m_n_u8): Likewise.
        (__arm_vshrq_m_n_u32): Likewise.
        (__arm_vshrq_m_n_u16): Likewise.
        (__arm_vsliq_m_n_s8): Likewise.
        (__arm_vsliq_m_n_s32): Likewise.
        (__arm_vsliq_m_n_s16): Likewise.
        (__arm_vsliq_m_n_u8): Likewise.
        (__arm_vsliq_m_n_u32): Likewise.
        (__arm_vsliq_m_n_u16): Likewise.
        (__arm_vsubq_m_n_s8): Likewise.
        (__arm_vsubq_m_n_s32): Likewise.
        (__arm_vsubq_m_n_s16): Likewise.
        (__arm_vsubq_m_n_u8): Likewise.
        (__arm_vsubq_m_n_u32): Likewise.
        (__arm_vsubq_m_n_u16): Likewise.
        (vqdmladhq_m): Define polymorphic variant.
        (vqdmladhxq_m): Likewise.
        (vqdmlsdhq_m): Likewise.
        (vqdmlsdhxq_m): Likewise.
        (vabdq_m): Likewise.
        (vandq_m): Likewise.
        (vbicq_m): Likewise.
        (vbrsrq_m_n): Likewise.
        (vcaddq_rot270_m): Likewise.
        (vcaddq_rot90_m): Likewise.
        (veorq_m): Likewise.
        (vmaxq_m): Likewise.
        (vminq_m): Likewise.
        (vmladavaq_p): Likewise.
        (vmlaq_m_n): Likewise.
        (vmlasq_m_n): Likewise.
        (vmulhq_m): Likewise.
        (vmullbq_int_m): Likewise.
        (vmulltq_int_m): Likewise.
        (vornq_m): Likewise.
        (vorrq_m): Likewise.
        (vqdmlahq_m_n): Likewise.
        (vqrdmlahq_m_n): Likewise.
        (vqrdmlashq_m_n): Likewise.
        (vqrshlq_m): Likewise.
        (vqshlq_m_n): Likewise.
        (vqshlq_m): Likewise.
        (vrhaddq_m): Likewise.
        (vrmulhq_m): Likewise.
        (vrshlq_m): Likewise.
        (vrshrq_m_n): Likewise.
        (vshlq_m_n): Likewise.
        (vshrq_m_n): Likewise.
        (vsliq_m): Likewise.
        (vaddq_m_n): Likewise.
        (vaddq_m): Likewise.
        (vhaddq_m_n): Likewise.
        (vhaddq_m): Likewise.
        (vhcaddq_rot270_m): Likewise.
        (vhcaddq_rot90_m): Likewise.
        (vhsubq_m): Likewise.
        (vhsubq_m_n): Likewise.
        (vmulq_m_n): Likewise.
        (vmulq_m): Likewise.
        (vqaddq_m_n): Likewise.
        (vqaddq_m): Likewise.
        (vqdmulhq_m_n): Likewise.
        (vqdmulhq_m): Likewise.
        (vsubq_m_n): Likewise.
        (vsliq_m_n): Likewise.
        (vqsubq_m_n): Likewise.
        (vqsubq_m): Likewise.
        (vqrdmulhq_m): Likewise.
        (vqrdmulhq_m_n): Likewise.
        (vqrdmlsdhxq_m): Likewise.
        (vqrdmlsdhq_m): Likewise.
        (vqrdmladhq_m): Likewise.
        (vqrdmladhxq_m): Likewise.
        (vmlsdavaxq_p): Likewise.
        (vmlsdavaq_p): Likewise.
        (vmladavaxq_p): Likewise.
        * config/arm/arm_mve_builtins.def (QUADOP_NONE_NONE_NONE_IMM_UNONE): Use
        builtin qualifier.
        (QUADOP_NONE_NONE_NONE_NONE_UNONE): Likewise.
        (QUADOP_UNONE_UNONE_UNONE_IMM_UNONE): Likewise.
        (QUADOP_UNONE_UNONE_UNONE_NONE_UNONE): Likewise.
        (QUADOP_UNONE_UNONE_UNONE_UNONE_UNONE): Likewise.
        * config/arm/mve.md (VHSUBQ_M): Define iterators.
        (VSLIQ_M_N): Likewise.
        (VQRDMLAHQ_M_N): Likewise.
        (VRSHLQ_M): Likewise.
        (VMINQ_M): Likewise.
        (VMULLBQ_INT_M): Likewise.
        (VMULHQ_M): Likewise.
        (VMULQ_M): Likewise.
        (VHSUBQ_M_N): Likewise.
        (VHADDQ_M_N): Likewise.
        (VORRQ_M): Likewise.
        (VRMULHQ_M): Likewise.
        (VQADDQ_M): Likewise.
        (VRSHRQ_M_N): Likewise.
        (VQSUBQ_M_N): Likewise.
        (VADDQ_M): Likewise.
        (VORNQ_M): Likewise.
        (VQDMLAHQ_M_N): Likewise.
        (VRHADDQ_M): Likewise.
        (VQSHLQ_M): Likewise.
        (VANDQ_M): Likewise.
        (VBICQ_M): Likewise.
        (VSHLQ_M_N): Likewise.
        (VCADDQ_ROT270_M): Likewise.
        (VQRSHLQ_M): Likewise.
        (VQADDQ_M_N): Likewise.
        (VADDQ_M_N): Likewise.
        (VMAXQ_M): Likewise.
        (VQSUBQ_M): Likewise.
        (VMLASQ_M_N): Likewise.
        (VMLADAVAQ_P): Likewise.
        (VBRSRQ_M_N): Likewise.
        (VMULQ_M_N): Likewise.
        (VCADDQ_ROT90_M): Likewise.
        (VMULLTQ_INT_M): Likewise.
        (VEORQ_M): Likewise.
        (VSHRQ_M_N): Likewise.
        (VSUBQ_M_N): Likewise.
        (VHADDQ_M): Likewise.
        (VABDQ_M): Likewise.
        (VQRDMLASHQ_M_N): Likewise.
        (VMLAQ_M_N): Likewise.
        (VQSHLQ_M_N): Likewise.
        (mve_vabdq_m_<supf><mode>): Define RTL pattern.
        (mve_vaddq_m_n_<supf><mode>): Likewise.
        (mve_vaddq_m_<supf><mode>): Likewise.
        (mve_vandq_m_<supf><mode>): Likewise.
        (mve_vbicq_m_<supf><mode>): Likewise.
        (mve_vbrsrq_m_n_<supf><mode>): Likewise.
        (mve_vcaddq_rot270_m_<supf><mode>): Likewise.
        (mve_vcaddq_rot90_m_<supf><mode>): Likewise.
        (mve_veorq_m_<supf><mode>): Likewise.
        (mve_vhaddq_m_n_<supf><mode>): Likewise.
        (mve_vhaddq_m_<supf><mode>): Likewise.
        (mve_vhsubq_m_n_<supf><mode>): Likewise.
        (mve_vhsubq_m_<supf><mode>): Likewise.
        (mve_vmaxq_m_<supf><mode>): Likewise.
        (mve_vminq_m_<supf><mode>): Likewise.
        (mve_vmladavaq_p_<supf><mode>): Likewise.
        (mve_vmlaq_m_n_<supf><mode>): Likewise.
        (mve_vmlasq_m_n_<supf><mode>): Likewise.
        (mve_vmulhq_m_<supf><mode>): Likewise.
        (mve_vmullbq_int_m_<supf><mode>): Likewise.
        (mve_vmulltq_int_m_<supf><mode>): Likewise.
        (mve_vmulq_m_n_<supf><mode>): Likewise.
        (mve_vmulq_m_<supf><mode>): Likewise.
        (mve_vornq_m_<supf><mode>): Likewise.
        (mve_vorrq_m_<supf><mode>): Likewise.
        (mve_vqaddq_m_n_<supf><mode>): Likewise.
        (mve_vqaddq_m_<supf><mode>): Likewise.
        (mve_vqdmlahq_m_n_<supf><mode>): Likewise.
        (mve_vqrdmlahq_m_n_<supf><mode>): Likewise.
        (mve_vqrdmlashq_m_n_<supf><mode>): Likewise.
        (mve_vqrshlq_m_<supf><mode>): Likewise.
        (mve_vqshlq_m_n_<supf><mode>): Likewise.
        (mve_vqshlq_m_<supf><mode>): Likewise.
        (mve_vqsubq_m_n_<supf><mode>): Likewise.
        (mve_vqsubq_m_<supf><mode>): Likewise.
        (mve_vrhaddq_m_<supf><mode>): Likewise.
        (mve_vrmulhq_m_<supf><mode>): Likewise.
        (mve_vrshlq_m_<supf><mode>): Likewise.
        (mve_vrshrq_m_n_<supf><mode>): Likewise.
        (mve_vshlq_m_n_<supf><mode>): Likewise.
        (mve_vshrq_m_n_<supf><mode>): Likewise.
        (mve_vsliq_m_n_<supf><mode>): Likewise.
        (mve_vsubq_m_n_<supf><mode>): Likewise.
        (mve_vhcaddq_rot270_m_s<mode>): Likewise.
        (mve_vhcaddq_rot90_m_s<mode>): Likewise.
        (mve_vmladavaxq_p_s<mode>): Likewise.
        (mve_vmlsdavaq_p_s<mode>): Likewise.
        (mve_vmlsdavaxq_p_s<mode>): Likewise.
        (mve_vqdmladhq_m_s<mode>): Likewise.
        (mve_vqdmladhxq_m_s<mode>): Likewise.
        (mve_vqdmlsdhq_m_s<mode>): Likewise.
        (mve_vqdmlsdhxq_m_s<mode>): Likewise.
        (mve_vqdmulhq_m_n_s<mode>): Likewise.
        (mve_vqdmulhq_m_s<mode>): Likewise.
        (mve_vqrdmladhq_m_s<mode>): Likewise.
        (mve_vqrdmladhxq_m_s<mode>): Likewise.
        (mve_vqrdmlsdhq_m_s<mode>): Likewise.
        (mve_vqrdmlsdhxq_m_s<mode>): Likewise.
        (mve_vqrdmulhq_m_n_s<mode>): Likewise.
        (mve_vqrdmulhq_m_s<mode>): Likewise.

2020-03-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm-builtins.c (QUADOP_UNONE_UNONE_NONE_NONE_UNONE_QUALIFIERS):
        Define builtin qualifier.
        (QUADOP_NONE_NONE_NONE_NONE_UNONE_QUALIFIERS): Likewise.
        (QUADOP_NONE_NONE_NONE_IMM_UNONE_QUALIFIERS): Likewise.
        (QUADOP_UNONE_UNONE_UNONE_UNONE_UNONE_QUALIFIERS): Likewise.
        (QUADOP_UNONE_UNONE_NONE_IMM_UNONE_QUALIFIERS): Likewise.
        (QUADOP_NONE_NONE_UNONE_IMM_UNONE_QUALIFIERS): Likewise.
        (QUADOP_UNONE_UNONE_UNONE_IMM_UNONE_QUALIFIERS): Likewise.
        (QUADOP_UNONE_UNONE_UNONE_NONE_UNONE_QUALIFIERS): Likewise.
        * config/arm/arm_mve.h (vsriq_m_n_s8): Define macro.
        (vsubq_m_s8): Likewise.
        (vcvtq_m_n_f16_u16): Likewise.
        (vqshluq_m_n_s8): Likewise.
        (vabavq_p_s8): Likewise.
        (vsriq_m_n_u8): Likewise.
        (vshlq_m_u8): Likewise.
        (vsubq_m_u8): Likewise.
        (vabavq_p_u8): Likewise.
        (vshlq_m_s8): Likewise.
        (vcvtq_m_n_f16_s16): Likewise.
        (vsriq_m_n_s16): Likewise.
        (vsubq_m_s16): Likewise.
        (vcvtq_m_n_f32_u32): Likewise.
        (vqshluq_m_n_s16): Likewise.
        (vabavq_p_s16): Likewise.
        (vsriq_m_n_u16): Likewise.
        (vshlq_m_u16): Likewise.
        (vsubq_m_u16): Likewise.
        (vabavq_p_u16): Likewise.
        (vshlq_m_s16): Likewise.
        (vcvtq_m_n_f32_s32): Likewise.
        (vsriq_m_n_s32): Likewise.
        (vsubq_m_s32): Likewise.
        (vqshluq_m_n_s32): Likewise.
        (vabavq_p_s32): Likewise.
        (vsriq_m_n_u32): Likewise.
        (vshlq_m_u32): Likewise.
        (vsubq_m_u32): Likewise.
        (vabavq_p_u32): Likewise.
        (vshlq_m_s32): Likewise.
        (__arm_vsriq_m_n_s8): Define intrinsic.
        (__arm_vsubq_m_s8): Likewise.
        (__arm_vqshluq_m_n_s8): Likewise.
        (__arm_vabavq_p_s8): Likewise.
        (__arm_vsriq_m_n_u8): Likewise.
        (__arm_vshlq_m_u8): Likewise.
        (__arm_vsubq_m_u8): Likewise.
        (__arm_vabavq_p_u8): Likewise.
        (__arm_vshlq_m_s8): Likewise.
        (__arm_vsriq_m_n_s16): Likewise.
        (__arm_vsubq_m_s16): Likewise.
        (__arm_vqshluq_m_n_s16): Likewise.
        (__arm_vabavq_p_s16): Likewise.
        (__arm_vsriq_m_n_u16): Likewise.
        (__arm_vshlq_m_u16): Likewise.
        (__arm_vsubq_m_u16): Likewise.
        (__arm_vabavq_p_u16): Likewise.
        (__arm_vshlq_m_s16): Likewise.
        (__arm_vsriq_m_n_s32): Likewise.
        (__arm_vsubq_m_s32): Likewise.
        (__arm_vqshluq_m_n_s32): Likewise.
        (__arm_vabavq_p_s32): Likewise.
        (__arm_vsriq_m_n_u32): Likewise.
        (__arm_vshlq_m_u32): Likewise.
        (__arm_vsubq_m_u32): Likewise.
        (__arm_vabavq_p_u32): Likewise.
        (__arm_vshlq_m_s32): Likewise.
        (__arm_vcvtq_m_n_f16_u16): Likewise.
        (__arm_vcvtq_m_n_f16_s16): Likewise.
        (__arm_vcvtq_m_n_f32_u32): Likewise.
        (__arm_vcvtq_m_n_f32_s32): Likewise.
        (vcvtq_m_n): Define polymorphic variant.
        (vqshluq_m_n): Likewise.
        (vshlq_m): Likewise.
        (vsriq_m_n): Likewise.
        (vsubq_m): Likewise.
        (vabavq_p): Likewise.
        * config/arm/arm_mve_builtins.def
        (QUADOP_UNONE_UNONE_NONE_NONE_UNONE_QUALIFIERS): Use builtin qualifier.
        (QUADOP_NONE_NONE_NONE_NONE_UNONE_QUALIFIERS): Likewise.
        (QUADOP_NONE_NONE_NONE_IMM_UNONE_QUALIFIERS): Likewise.
        (QUADOP_UNONE_UNONE_UNONE_UNONE_UNONE_QUALIFIERS): Likewise.
        (QUADOP_UNONE_UNONE_NONE_IMM_UNONE_QUALIFIERS): Likewise.
        (QUADOP_NONE_NONE_UNONE_IMM_UNONE_QUALIFIERS): Likewise.
        (QUADOP_UNONE_UNONE_UNONE_IMM_UNONE_QUALIFIERS): Likewise.
        (QUADOP_UNONE_UNONE_UNONE_NONE_UNONE_QUALIFIERS): Likewise.
        * config/arm/mve.md (VABAVQ_P): Define iterator.
        (VSHLQ_M): Likewise.
        (VSRIQ_M_N): Likewise.
        (VSUBQ_M): Likewise.
        (VCVTQ_M_N_TO_F): Likewise.
        (mve_vabavq_p_<supf><mode>): Define RTL pattern.
        (mve_vqshluq_m_n_s<mode>): Likewise.
        (mve_vshlq_m_<supf><mode>): Likewise.
        (mve_vsriq_m_n_<supf><mode>): Likewise.
        (mve_vsubq_m_<supf><mode>): Likewise.
        (mve_vcvtq_m_n_to_f_<supf><mode>): Likewise.

2020-03-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm_mve.h (vrmlaldavhaxq_s32): Define macro.
        (vrmlsldavhaq_s32): Likewise.
        (vrmlsldavhaxq_s32): Likewise.
        (vaddlvaq_p_s32): Likewise.
        (vcvtbq_m_f16_f32): Likewise.
        (vcvtbq_m_f32_f16): Likewise.
        (vcvttq_m_f16_f32): Likewise.
        (vcvttq_m_f32_f16): Likewise.
        (vrev16q_m_s8): Likewise.
        (vrev32q_m_f16): Likewise.
        (vrmlaldavhq_p_s32): Likewise.
        (vrmlaldavhxq_p_s32): Likewise.
        (vrmlsldavhq_p_s32): Likewise.
        (vrmlsldavhxq_p_s32): Likewise.
        (vaddlvaq_p_u32): Likewise.
        (vrev16q_m_u8): Likewise.
        (vrmlaldavhq_p_u32): Likewise.
        (vmvnq_m_n_s16): Likewise.
        (vorrq_m_n_s16): Likewise.
        (vqrshrntq_n_s16): Likewise.
        (vqshrnbq_n_s16): Likewise.
        (vqshrntq_n_s16): Likewise.
        (vrshrnbq_n_s16): Likewise.
        (vrshrntq_n_s16): Likewise.
        (vshrnbq_n_s16): Likewise.
        (vshrntq_n_s16): Likewise.
        (vcmlaq_f16): Likewise.
        (vcmlaq_rot180_f16): Likewise.
        (vcmlaq_rot270_f16): Likewise.
        (vcmlaq_rot90_f16): Likewise.
        (vfmaq_f16): Likewise.
        (vfmaq_n_f16): Likewise.
        (vfmasq_n_f16): Likewise.
        (vfmsq_f16): Likewise.
        (vmlaldavaq_s16): Likewise.
        (vmlaldavaxq_s16): Likewise.
        (vmlsldavaq_s16): Likewise.
        (vmlsldavaxq_s16): Likewise.
        (vabsq_m_f16): Likewise.
        (vcvtmq_m_s16_f16): Likewise.
        (vcvtnq_m_s16_f16): Likewise.
        (vcvtpq_m_s16_f16): Likewise.
        (vcvtq_m_s16_f16): Likewise.
        (vdupq_m_n_f16): Likewise.
        (vmaxnmaq_m_f16): Likewise.
        (vmaxnmavq_p_f16): Likewise.
        (vmaxnmvq_p_f16): Likewise.
        (vminnmaq_m_f16): Likewise.
        (vminnmavq_p_f16): Likewise.
        (vminnmvq_p_f16): Likewise.
        (vmlaldavq_p_s16): Likewise.
        (vmlaldavxq_p_s16): Likewise.
        (vmlsldavq_p_s16): Likewise.
        (vmlsldavxq_p_s16): Likewise.
        (vmovlbq_m_s8): Likewise.
        (vmovltq_m_s8): Likewise.
        (vmovnbq_m_s16): Likewise.
        (vmovntq_m_s16): Likewise.
        (vnegq_m_f16): Likewise.
        (vpselq_f16): Likewise.
        (vqmovnbq_m_s16): Likewise.
        (vqmovntq_m_s16): Likewise.
        (vrev32q_m_s8): Likewise.
        (vrev64q_m_f16): Likewise.
        (vrndaq_m_f16): Likewise.
        (vrndmq_m_f16): Likewise.
        (vrndnq_m_f16): Likewise.
        (vrndpq_m_f16): Likewise.
        (vrndq_m_f16): Likewise.
        (vrndxq_m_f16): Likewise.
        (vcmpeqq_m_n_f16): Likewise.
        (vcmpgeq_m_f16): Likewise.
        (vcmpgeq_m_n_f16): Likewise.
        (vcmpgtq_m_f16): Likewise.
        (vcmpgtq_m_n_f16): Likewise.
        (vcmpleq_m_f16): Likewise.
        (vcmpleq_m_n_f16): Likewise.
        (vcmpltq_m_f16): Likewise.
        (vcmpltq_m_n_f16): Likewise.
        (vcmpneq_m_f16): Likewise.
        (vcmpneq_m_n_f16): Likewise.
        (vmvnq_m_n_u16): Likewise.
        (vorrq_m_n_u16): Likewise.
        (vqrshruntq_n_s16): Likewise.
        (vqshrunbq_n_s16): Likewise.
        (vqshruntq_n_s16): Likewise.
        (vcvtmq_m_u16_f16): Likewise.
        (vcvtnq_m_u16_f16): Likewise.
        (vcvtpq_m_u16_f16): Likewise.
        (vcvtq_m_u16_f16): Likewise.
        (vqmovunbq_m_s16): Likewise.
        (vqmovuntq_m_s16): Likewise.
        (vqrshrntq_n_u16): Likewise.
        (vqshrnbq_n_u16): Likewise.
        (vqshrntq_n_u16): Likewise.
        (vrshrnbq_n_u16): Likewise.
        (vrshrntq_n_u16): Likewise.
        (vshrnbq_n_u16): Likewise.
        (vshrntq_n_u16): Likewise.
        (vmlaldavaq_u16): Likewise.
        (vmlaldavaxq_u16): Likewise.
        (vmlaldavq_p_u16): Likewise.
        (vmlaldavxq_p_u16): Likewise.
        (vmovlbq_m_u8): Likewise.
        (vmovltq_m_u8): Likewise.
        (vmovnbq_m_u16): Likewise.
        (vmovntq_m_u16): Likewise.
        (vqmovnbq_m_u16): Likewise.
        (vqmovntq_m_u16): Likewise.
        (vrev32q_m_u8): Likewise.
        (vmvnq_m_n_s32): Likewise.
        (vorrq_m_n_s32): Likewise.
        (vqrshrntq_n_s32): Likewise.
        (vqshrnbq_n_s32): Likewise.
        (vqshrntq_n_s32): Likewise.
        (vrshrnbq_n_s32): Likewise.
        (vrshrntq_n_s32): Likewise.
        (vshrnbq_n_s32): Likewise.
        (vshrntq_n_s32): Likewise.
        (vcmlaq_f32): Likewise.
        (vcmlaq_rot180_f32): Likewise.
        (vcmlaq_rot270_f32): Likewise.
        (vcmlaq_rot90_f32): Likewise.
        (vfmaq_f32): Likewise.
        (vfmaq_n_f32): Likewise.
        (vfmasq_n_f32): Likewise.
        (vfmsq_f32): Likewise.
        (vmlaldavaq_s32): Likewise.
        (vmlaldavaxq_s32): Likewise.
        (vmlsldavaq_s32): Likewise.
        (vmlsldavaxq_s32): Likewise.
        (vabsq_m_f32): Likewise.
        (vcvtmq_m_s32_f32): Likewise.
        (vcvtnq_m_s32_f32): Likewise.
        (vcvtpq_m_s32_f32): Likewise.
        (vcvtq_m_s32_f32): Likewise.
        (vdupq_m_n_f32): Likewise.
        (vmaxnmaq_m_f32): Likewise.
        (vmaxnmavq_p_f32): Likewise.
        (vmaxnmvq_p_f32): Likewise.
        (vminnmaq_m_f32): Likewise.
        (vminnmavq_p_f32): Likewise.
        (vminnmvq_p_f32): Likewise.
        (vmlaldavq_p_s32): Likewise.
        (vmlaldavxq_p_s32): Likewise.
        (vmlsldavq_p_s32): Likewise.
        (vmlsldavxq_p_s32): Likewise.
        (vmovlbq_m_s16): Likewise.
        (vmovltq_m_s16): Likewise.
        (vmovnbq_m_s32): Likewise.
        (vmovntq_m_s32): Likewise.
        (vnegq_m_f32): Likewise.
        (vpselq_f32): Likewise.
        (vqmovnbq_m_s32): Likewise.
        (vqmovntq_m_s32): Likewise.
        (vrev32q_m_s16): Likewise.
        (vrev64q_m_f32): Likewise.
        (vrndaq_m_f32): Likewise.
        (vrndmq_m_f32): Likewise.
        (vrndnq_m_f32): Likewise.
        (vrndpq_m_f32): Likewise.
        (vrndq_m_f32): Likewise.
        (vrndxq_m_f32): Likewise.
        (vcmpeqq_m_n_f32): Likewise.
        (vcmpgeq_m_f32): Likewise.
        (vcmpgeq_m_n_f32): Likewise.
        (vcmpgtq_m_f32): Likewise.
        (vcmpgtq_m_n_f32): Likewise.
        (vcmpleq_m_f32): Likewise.
        (vcmpleq_m_n_f32): Likewise.
        (vcmpltq_m_f32): Likewise.
        (vcmpltq_m_n_f32): Likewise.
        (vcmpneq_m_f32): Likewise.
        (vcmpneq_m_n_f32): Likewise.
        (vmvnq_m_n_u32): Likewise.
        (vorrq_m_n_u32): Likewise.
        (vqrshruntq_n_s32): Likewise.
        (vqshrunbq_n_s32): Likewise.
        (vqshruntq_n_s32): Likewise.
        (vcvtmq_m_u32_f32): Likewise.
        (vcvtnq_m_u32_f32): Likewise.
        (vcvtpq_m_u32_f32): Likewise.
        (vcvtq_m_u32_f32): Likewise.
        (vqmovunbq_m_s32): Likewise.
        (vqmovuntq_m_s32): Likewise.
        (vqrshrntq_n_u32): Likewise.
        (vqshrnbq_n_u32): Likewise.
        (vqshrntq_n_u32): Likewise.
        (vrshrnbq_n_u32): Likewise.
        (vrshrntq_n_u32): Likewise.
        (vshrnbq_n_u32): Likewise.
        (vshrntq_n_u32): Likewise.
        (vmlaldavaq_u32): Likewise.
        (vmlaldavaxq_u32): Likewise.
        (vmlaldavq_p_u32): Likewise.
        (vmlaldavxq_p_u32): Likewise.
        (vmovlbq_m_u16): Likewise.
        (vmovltq_m_u16): Likewise.
        (vmovnbq_m_u32): Likewise.
        (vmovntq_m_u32): Likewise.
        (vqmovnbq_m_u32): Likewise.
        (vqmovntq_m_u32): Likewise.
        (vrev32q_m_u16): Likewise.
        (__arm_vrmlaldavhaxq_s32): Define intrinsic.
        (__arm_vrmlsldavhaq_s32): Likewise.
        (__arm_vrmlsldavhaxq_s32): Likewise.
        (__arm_vaddlvaq_p_s32): Likewise.
        (__arm_vrev16q_m_s8): Likewise.
        (__arm_vrmlaldavhq_p_s32): Likewise.
        (__arm_vrmlaldavhxq_p_s32): Likewise.
        (__arm_vrmlsldavhq_p_s32): Likewise.
        (__arm_vrmlsldavhxq_p_s32): Likewise.
        (__arm_vaddlvaq_p_u32): Likewise.
        (__arm_vrev16q_m_u8): Likewise.
        (__arm_vrmlaldavhq_p_u32): Likewise.
        (__arm_vmvnq_m_n_s16): Likewise.
        (__arm_vorrq_m_n_s16): Likewise.
        (__arm_vqrshrntq_n_s16): Likewise.
        (__arm_vqshrnbq_n_s16): Likewise.
        (__arm_vqshrntq_n_s16): Likewise.
        (__arm_vrshrnbq_n_s16): Likewise.
        (__arm_vrshrntq_n_s16): Likewise.
        (__arm_vshrnbq_n_s16): Likewise.
        (__arm_vshrntq_n_s16): Likewise.
        (__arm_vmlaldavaq_s16): Likewise.
        (__arm_vmlaldavaxq_s16): Likewise.
        (__arm_vmlsldavaq_s16): Likewise.
        (__arm_vmlsldavaxq_s16): Likewise.
        (__arm_vmlaldavq_p_s16): Likewise.
        (__arm_vmlaldavxq_p_s16): Likewise.
        (__arm_vmlsldavq_p_s16): Likewise.
        (__arm_vmlsldavxq_p_s16): Likewise.
        (__arm_vmovlbq_m_s8): Likewise.
        (__arm_vmovltq_m_s8): Likewise.
        (__arm_vmovnbq_m_s16): Likewise.
        (__arm_vmovntq_m_s16): Likewise.
        (__arm_vqmovnbq_m_s16): Likewise.
        (__arm_vqmovntq_m_s16): Likewise.
        (__arm_vrev32q_m_s8): Likewise.
        (__arm_vmvnq_m_n_u16): Likewise.
        (__arm_vorrq_m_n_u16): Likewise.
        (__arm_vqrshruntq_n_s16): Likewise.
        (__arm_vqshrunbq_n_s16): Likewise.
        (__arm_vqshruntq_n_s16): Likewise.
        (__arm_vqmovunbq_m_s16): Likewise.
        (__arm_vqmovuntq_m_s16): Likewise.
        (__arm_vqrshrntq_n_u16): Likewise.
        (__arm_vqshrnbq_n_u16): Likewise.
        (__arm_vqshrntq_n_u16): Likewise.
        (__arm_vrshrnbq_n_u16): Likewise.
        (__arm_vrshrntq_n_u16): Likewise.
        (__arm_vshrnbq_n_u16): Likewise.
        (__arm_vshrntq_n_u16): Likewise.
        (__arm_vmlaldavaq_u16): Likewise.
        (__arm_vmlaldavaxq_u16): Likewise.
        (__arm_vmlaldavq_p_u16): Likewise.
        (__arm_vmlaldavxq_p_u16): Likewise.
        (__arm_vmovlbq_m_u8): Likewise.
        (__arm_vmovltq_m_u8): Likewise.
        (__arm_vmovnbq_m_u16): Likewise.
        (__arm_vmovntq_m_u16): Likewise.
        (__arm_vqmovnbq_m_u16): Likewise.
        (__arm_vqmovntq_m_u16): Likewise.
        (__arm_vrev32q_m_u8): Likewise.
        (__arm_vmvnq_m_n_s32): Likewise.
        (__arm_vorrq_m_n_s32): Likewise.
        (__arm_vqrshrntq_n_s32): Likewise.
        (__arm_vqshrnbq_n_s32): Likewise.
        (__arm_vqshrntq_n_s32): Likewise.
        (__arm_vrshrnbq_n_s32): Likewise.
        (__arm_vrshrntq_n_s32): Likewise.
        (__arm_vshrnbq_n_s32): Likewise.
        (__arm_vshrntq_n_s32): Likewise.
        (__arm_vmlaldavaq_s32): Likewise.
        (__arm_vmlaldavaxq_s32): Likewise.
        (__arm_vmlsldavaq_s32): Likewise.
        (__arm_vmlsldavaxq_s32): Likewise.
        (__arm_vmlaldavq_p_s32): Likewise.
        (__arm_vmlaldavxq_p_s32): Likewise.
        (__arm_vmlsldavq_p_s32): Likewise.
        (__arm_vmlsldavxq_p_s32): Likewise.
        (__arm_vmovlbq_m_s16): Likewise.
        (__arm_vmovltq_m_s16): Likewise.
        (__arm_vmovnbq_m_s32): Likewise.
        (__arm_vmovntq_m_s32): Likewise.
        (__arm_vqmovnbq_m_s32): Likewise.
        (__arm_vqmovntq_m_s32): Likewise.
        (__arm_vrev32q_m_s16): Likewise.
        (__arm_vmvnq_m_n_u32): Likewise.
        (__arm_vorrq_m_n_u32): Likewise.
        (__arm_vqrshruntq_n_s32): Likewise.
        (__arm_vqshrunbq_n_s32): Likewise.
        (__arm_vqshruntq_n_s32): Likewise.
        (__arm_vqmovunbq_m_s32): Likewise.
        (__arm_vqmovuntq_m_s32): Likewise.
        (__arm_vqrshrntq_n_u32): Likewise.
        (__arm_vqshrnbq_n_u32): Likewise.
        (__arm_vqshrntq_n_u32): Likewise.
        (__arm_vrshrnbq_n_u32): Likewise.
        (__arm_vrshrntq_n_u32): Likewise.
        (__arm_vshrnbq_n_u32): Likewise.
        (__arm_vshrntq_n_u32): Likewise.
        (__arm_vmlaldavaq_u32): Likewise.
        (__arm_vmlaldavaxq_u32): Likewise.
        (__arm_vmlaldavq_p_u32): Likewise.
        (__arm_vmlaldavxq_p_u32): Likewise.
        (__arm_vmovlbq_m_u16): Likewise.
        (__arm_vmovltq_m_u16): Likewise.
        (__arm_vmovnbq_m_u32): Likewise.
        (__arm_vmovntq_m_u32): Likewise.
        (__arm_vqmovnbq_m_u32): Likewise.
        (__arm_vqmovntq_m_u32): Likewise.
        (__arm_vrev32q_m_u16): Likewise.
        (__arm_vcvtbq_m_f16_f32): Likewise.
        (__arm_vcvtbq_m_f32_f16): Likewise.
        (__arm_vcvttq_m_f16_f32): Likewise.
        (__arm_vcvttq_m_f32_f16): Likewise.
        (__arm_vrev32q_m_f16): Likewise.
        (__arm_vcmlaq_f16): Likewise.
        (__arm_vcmlaq_rot180_f16): Likewise.
        (__arm_vcmlaq_rot270_f16): Likewise.
        (__arm_vcmlaq_rot90_f16): Likewise.
        (__arm_vfmaq_f16): Likewise.
        (__arm_vfmaq_n_f16): Likewise.
        (__arm_vfmasq_n_f16): Likewise.
        (__arm_vfmsq_f16): Likewise.
        (__arm_vabsq_m_f16): Likewise.
        (__arm_vcvtmq_m_s16_f16): Likewise.
        (__arm_vcvtnq_m_s16_f16): Likewise.
        (__arm_vcvtpq_m_s16_f16): Likewise.
        (__arm_vcvtq_m_s16_f16): Likewise.
        (__arm_vdupq_m_n_f16): Likewise.
        (__arm_vmaxnmaq_m_f16): Likewise.
        (__arm_vmaxnmavq_p_f16): Likewise.
        (__arm_vmaxnmvq_p_f16): Likewise.
        (__arm_vminnmaq_m_f16): Likewise.
        (__arm_vminnmavq_p_f16): Likewise.
        (__arm_vminnmvq_p_f16): Likewise.
        (__arm_vnegq_m_f16): Likewise.
        (__arm_vpselq_f16): Likewise.
        (__arm_vrev64q_m_f16): Likewise.
        (__arm_vrndaq_m_f16): Likewise.
        (__arm_vrndmq_m_f16): Likewise.
        (__arm_vrndnq_m_f16): Likewise.
        (__arm_vrndpq_m_f16): Likewise.
        (__arm_vrndq_m_f16): Likewise.
        (__arm_vrndxq_m_f16): Likewise.
        (__arm_vcmpeqq_m_n_f16): Likewise.
        (__arm_vcmpgeq_m_f16): Likewise.
        (__arm_vcmpgeq_m_n_f16): Likewise.
        (__arm_vcmpgtq_m_f16): Likewise.
        (__arm_vcmpgtq_m_n_f16): Likewise.
        (__arm_vcmpleq_m_f16): Likewise.
        (__arm_vcmpleq_m_n_f16): Likewise.
        (__arm_vcmpltq_m_f16): Likewise.
        (__arm_vcmpltq_m_n_f16): Likewise.
        (__arm_vcmpneq_m_f16): Likewise.
        (__arm_vcmpneq_m_n_f16): Likewise.
        (__arm_vcvtmq_m_u16_f16): Likewise.
        (__arm_vcvtnq_m_u16_f16): Likewise.
        (__arm_vcvtpq_m_u16_f16): Likewise.
        (__arm_vcvtq_m_u16_f16): Likewise.
        (__arm_vcmlaq_f32): Likewise.
        (__arm_vcmlaq_rot180_f32): Likewise.
        (__arm_vcmlaq_rot270_f32): Likewise.
        (__arm_vcmlaq_rot90_f32): Likewise.
        (__arm_vfmaq_f32): Likewise.
        (__arm_vfmaq_n_f32): Likewise.
        (__arm_vfmasq_n_f32): Likewise.
        (__arm_vfmsq_f32): Likewise.
        (__arm_vabsq_m_f32): Likewise.
        (__arm_vcvtmq_m_s32_f32): Likewise.
        (__arm_vcvtnq_m_s32_f32): Likewise.
        (__arm_vcvtpq_m_s32_f32): Likewise.
        (__arm_vcvtq_m_s32_f32): Likewise.
        (__arm_vdupq_m_n_f32): Likewise.
        (__arm_vmaxnmaq_m_f32): Likewise.
        (__arm_vmaxnmavq_p_f32): Likewise.
        (__arm_vmaxnmvq_p_f32): Likewise.
        (__arm_vminnmaq_m_f32): Likewise.
        (__arm_vminnmavq_p_f32): Likewise.
        (__arm_vminnmvq_p_f32): Likewise.
        (__arm_vnegq_m_f32): Likewise.
        (__arm_vpselq_f32): Likewise.
        (__arm_vrev64q_m_f32): Likewise.
        (__arm_vrndaq_m_f32): Likewise.
        (__arm_vrndmq_m_f32): Likewise.
        (__arm_vrndnq_m_f32): Likewise.
        (__arm_vrndpq_m_f32): Likewise.
        (__arm_vrndq_m_f32): Likewise.
        (__arm_vrndxq_m_f32): Likewise.
        (__arm_vcmpeqq_m_n_f32): Likewise.
        (__arm_vcmpgeq_m_f32): Likewise.
        (__arm_vcmpgeq_m_n_f32): Likewise.
        (__arm_vcmpgtq_m_f32): Likewise.
        (__arm_vcmpgtq_m_n_f32): Likewise.
        (__arm_vcmpleq_m_f32): Likewise.
        (__arm_vcmpleq_m_n_f32): Likewise.
        (__arm_vcmpltq_m_f32): Likewise.
        (__arm_vcmpltq_m_n_f32): Likewise.
        (__arm_vcmpneq_m_f32): Likewise.
        (__arm_vcmpneq_m_n_f32): Likewise.
        (__arm_vcvtmq_m_u32_f32): Likewise.
        (__arm_vcvtnq_m_u32_f32): Likewise.
        (__arm_vcvtpq_m_u32_f32): Likewise.
        (__arm_vcvtq_m_u32_f32): Likewise.
        (vcvtq_m): Define polymorphic variant.
        (vabsq_m): Likewise.
        (vcmlaq): Likewise.
        (vcmlaq_rot180): Likewise.
        (vcmlaq_rot270): Likewise.
        (vcmlaq_rot90): Likewise.
        (vcmpeqq_m_n): Likewise.
        (vcmpgeq_m_n): Likewise.
        (vrndxq_m): Likewise.
        (vrndq_m): Likewise.
        (vrndpq_m): Likewise.
        (vcmpgtq_m_n): Likewise.
        (vcmpgtq_m): Likewise.
        (vcmpleq_m): Likewise.
        (vcmpleq_m_n): Likewise.
        (vcmpltq_m_n): Likewise.
        (vcmpltq_m): Likewise.
        (vcmpneq_m): Likewise.
        (vcmpneq_m_n): Likewise.
        (vcvtbq_m): Likewise.
        (vcvttq_m): Likewise.
        (vcvtmq_m): Likewise.
        (vcvtnq_m): Likewise.
        (vcvtpq_m): Likewise.
        (vdupq_m_n): Likewise.
        (vfmaq_n): Likewise.
        (vfmaq): Likewise.
        (vfmasq_n): Likewise.
        (vfmsq): Likewise.
        (vmaxnmaq_m): Likewise.
        (vmaxnmavq_m): Likewise.
        (vmaxnmvq_m): Likewise.
        (vmaxnmavq_p): Likewise.
        (vmaxnmvq_p): Likewise.
        (vminnmaq_m): Likewise.
        (vminnmavq_p): Likewise.
        (vminnmvq_p): Likewise.
        (vrndnq_m): Likewise.
        (vrndaq_m): Likewise.
        (vrndmq_m): Likewise.
        (vrev64q_m): Likewise.
        (vrev32q_m): Likewise.
        (vpselq): Likewise.
        (vnegq_m): Likewise.
        (vcmpgeq_m): Likewise.
        (vshrntq_n): Likewise.
        (vrshrntq_n): Likewise.
        (vmovlbq_m): Likewise.
        (vmovnbq_m): Likewise.
        (vmovntq_m): Likewise.
        (vmvnq_m_n): Likewise.
        (vmvnq_m): Likewise.
        (vshrnbq_n): Likewise.
        (vrshrnbq_n): Likewise.
        (vqshruntq_n): Likewise.
        (vrev16q_m): Likewise.
        (vqshrunbq_n): Likewise.
        (vqshrntq_n): Likewise.
        (vqrshruntq_n): Likewise.
        (vqrshrntq_n): Likewise.
        (vqshrnbq_n): Likewise.
        (vqmovuntq_m): Likewise.
        (vqmovntq_m): Likewise.
        (vqmovnbq_m): Likewise.
        (vorrq_m_n): Likewise.
        (vmovltq_m): Likewise.
        (vqmovunbq_m): Likewise.
        (vaddlvaq_p): Likewise.
        (vmlaldavaq): Likewise.
        (vmlaldavaxq): Likewise.
        (vmlaldavq_p): Likewise.
        (vmlaldavxq_p): Likewise.
        (vmlsldavaq): Likewise.
        (vmlsldavaxq): Likewise.
        (vmlsldavq_p): Likewise.
        (vmlsldavxq_p): Likewise.
        (vrmlaldavhaxq): Likewise.
        (vrmlaldavhq_p): Likewise.
        (vrmlaldavhxq_p): Likewise.
        (vrmlsldavhaq): Likewise.
        (vrmlsldavhaxq): Likewise.
        (vrmlsldavhq_p): Likewise.
        (vrmlsldavhxq_p): Likewise.
        * config/arm/arm_mve_builtins.def (TERNOP_NONE_NONE_IMM_UNONE): Use
        builtin qualifier.
        (TERNOP_NONE_NONE_NONE_IMM): Likewise.
        (TERNOP_NONE_NONE_NONE_NONE): Likewise.
        (TERNOP_NONE_NONE_NONE_UNONE): Likewise.
        (TERNOP_UNONE_NONE_NONE_UNONE): Likewise.
        (TERNOP_UNONE_UNONE_IMM_UNONE): Likewise.
        (TERNOP_UNONE_UNONE_NONE_IMM): Likewise.
        (TERNOP_UNONE_UNONE_NONE_UNONE): Likewise.
        (TERNOP_UNONE_UNONE_UNONE_IMM): Likewise.
        (TERNOP_UNONE_UNONE_UNONE_UNONE): Likewise.
        * config/arm/mve.md (MVE_constraint3): Define mode attribute iterator.
        (MVE_pred3): Likewise.
        (MVE_constraint1): Likewise.
        (MVE_pred1): Likewise.
        (VMLALDAVQ_P): Define iterator.
        (VQMOVNBQ_M): Likewise.
        (VMOVLTQ_M): Likewise.
        (VMOVNBQ_M): Likewise.
        (VRSHRNTQ_N): Likewise.
        (VORRQ_M_N): Likewise.
        (VREV32Q_M): Likewise.
        (VREV16Q_M): Likewise.
        (VQRSHRNTQ_N): Likewise.
        (VMOVNTQ_M): Likewise.
        (VMOVLBQ_M): Likewise.
        (VMLALDAVAQ): Likewise.
        (VQSHRNBQ_N): Likewise.
        (VSHRNBQ_N): Likewise.
        (VRSHRNBQ_N): Likewise.
        (VMLALDAVXQ_P): Likewise.
        (VQMOVNTQ_M): Likewise.
        (VMVNQ_M_N): Likewise.
        (VQSHRNTQ_N): Likewise.
        (VMLALDAVAXQ): Likewise.
        (VSHRNTQ_N): Likewise.
        (VCVTMQ_M): Likewise.
        (VCVTNQ_M): Likewise.
        (VCVTPQ_M): Likewise.
        (VCVTQ_M_N_FROM_F): Likewise.
        (VCVTQ_M_FROM_F): Likewise.
        (VRMLALDAVHQ_P): Likewise.
        (VADDLVAQ_P): Likewise.
        (mve_vrndq_m_f<mode>): Define RTL pattern.
        (mve_vabsq_m_f<mode>): Likewise.
        (mve_vaddlvaq_p_<supf>v4si): Likewise.
        (mve_vcmlaq_f<mode>): Likewise.
        (mve_vcmlaq_rot180_f<mode>): Likewise.
        (mve_vcmlaq_rot270_f<mode>): Likewise.
        (mve_vcmlaq_rot90_f<mode>): Likewise.
        (mve_vcmpeqq_m_n_f<mode>): Likewise.
        (mve_vcmpgeq_m_f<mode>): Likewise.
        (mve_vcmpgeq_m_n_f<mode>): Likewise.
        (mve_vcmpgtq_m_f<mode>): Likewise.
        (mve_vcmpgtq_m_n_f<mode>): Likewise.
        (mve_vcmpleq_m_f<mode>): Likewise.
        (mve_vcmpleq_m_n_f<mode>): Likewise.
        (mve_vcmpltq_m_f<mode>): Likewise.
        (mve_vcmpltq_m_n_f<mode>): Likewise.
        (mve_vcmpneq_m_f<mode>): Likewise.
        (mve_vcmpneq_m_n_f<mode>): Likewise.
        (mve_vcvtbq_m_f16_f32v8hf): Likewise.
        (mve_vcvtbq_m_f32_f16v4sf): Likewise.
        (mve_vcvttq_m_f16_f32v8hf): Likewise.
        (mve_vcvttq_m_f32_f16v4sf): Likewise.
        (mve_vdupq_m_n_f<mode>): Likewise.
        (mve_vfmaq_f<mode>): Likewise.
        (mve_vfmaq_n_f<mode>): Likewise.
        (mve_vfmasq_n_f<mode>): Likewise.
        (mve_vfmsq_f<mode>): Likewise.
        (mve_vmaxnmaq_m_f<mode>): Likewise.
        (mve_vmaxnmavq_p_f<mode>): Likewise.
        (mve_vmaxnmvq_p_f<mode>): Likewise.
        (mve_vminnmaq_m_f<mode>): Likewise.
        (mve_vminnmavq_p_f<mode>): Likewise.
        (mve_vminnmvq_p_f<mode>): Likewise.
        (mve_vmlaldavaq_<supf><mode>): Likewise.
        (mve_vmlaldavaxq_<supf><mode>): Likewise.
        (mve_vmlaldavq_p_<supf><mode>): Likewise.
        (mve_vmlaldavxq_p_<supf><mode>): Likewise.
        (mve_vmlsldavaq_s<mode>): Likewise.
        (mve_vmlsldavaxq_s<mode>): Likewise.
        (mve_vmlsldavq_p_s<mode>): Likewise.
        (mve_vmlsldavxq_p_s<mode>): Likewise.
        (mve_vmovlbq_m_<supf><mode>): Likewise.
        (mve_vmovltq_m_<supf><mode>): Likewise.
        (mve_vmovnbq_m_<supf><mode>): Likewise.
        (mve_vmovntq_m_<supf><mode>): Likewise.
        (mve_vmvnq_m_n_<supf><mode>): Likewise.
        (mve_vnegq_m_f<mode>): Likewise.
        (mve_vorrq_m_n_<supf><mode>): Likewise.
        (mve_vpselq_f<mode>): Likewise.
        (mve_vqmovnbq_m_<supf><mode>): Likewise.
        (mve_vqmovntq_m_<supf><mode>): Likewise.
        (mve_vqmovunbq_m_s<mode>): Likewise.
        (mve_vqmovuntq_m_s<mode>): Likewise.
        (mve_vqrshrntq_n_<supf><mode>): Likewise.
        (mve_vqrshruntq_n_s<mode>): Likewise.
        (mve_vqshrnbq_n_<supf><mode>): Likewise.
        (mve_vqshrntq_n_<supf><mode>): Likewise.
        (mve_vqshrunbq_n_s<mode>): Likewise.
        (mve_vqshruntq_n_s<mode>): Likewise.
        (mve_vrev32q_m_fv8hf): Likewise.
        (mve_vrev32q_m_<supf><mode>): Likewise.
        (mve_vrev64q_m_f<mode>): Likewise.
        (mve_vrmlaldavhaxq_sv4si): Likewise.
        (mve_vrmlaldavhxq_p_sv4si): Likewise.
        (mve_vrmlsldavhaxq_sv4si): Likewise.
        (mve_vrmlsldavhq_p_sv4si): Likewise.
        (mve_vrmlsldavhxq_p_sv4si): Likewise.
        (mve_vrndaq_m_f<mode>): Likewise.
        (mve_vrndmq_m_f<mode>): Likewise.
        (mve_vrndnq_m_f<mode>): Likewise.
        (mve_vrndpq_m_f<mode>): Likewise.
        (mve_vrndxq_m_f<mode>): Likewise.
        (mve_vrshrnbq_n_<supf><mode>): Likewise.
        (mve_vrshrntq_n_<supf><mode>): Likewise.
        (mve_vshrnbq_n_<supf><mode>): Likewise.
        (mve_vshrntq_n_<supf><mode>): Likewise.
        (mve_vcvtmq_m_<supf><mode>): Likewise.
        (mve_vcvtpq_m_<supf><mode>): Likewise.
        (mve_vcvtnq_m_<supf><mode>): Likewise.
        (mve_vcvtq_m_n_from_f_<supf><mode>): Likewise.
        (mve_vrev16q_m_<supf>v16qi): Likewise.
        (mve_vcvtq_m_from_f_<supf><mode>): Likewise.
        (mve_vrmlaldavhq_p_<supf>v4si): Likewise.
        (mve_vrmlsldavhaq_sv4si): Likewise.

2020-03-18  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm_mve.h (vpselq_u8): Define macro.
        (vpselq_s8): Likewise.
        (vrev64q_m_u8): Likewise.
        (vqrdmlashq_n_u8): Likewise.
        (vqrdmlahq_n_u8): Likewise.
        (vqdmlahq_n_u8): Likewise.
        (vmvnq_m_u8): Likewise.
        (vmlasq_n_u8): Likewise.
        (vmlaq_n_u8): Likewise.
        (vmladavq_p_u8): Likewise.
        (vmladavaq_u8): Likewise.
        (vminvq_p_u8): Likewise.
        (vmaxvq_p_u8): Likewise.
        (vdupq_m_n_u8): Likewise.
        (vcmpneq_m_u8): Likewise.
        (vcmpneq_m_n_u8): Likewise.
        (vcmphiq_m_u8): Likewise.
        (vcmphiq_m_n_u8): Likewise.
        (vcmpeqq_m_u8): Likewise.
        (vcmpeqq_m_n_u8): Likewise.
        (vcmpcsq_m_u8): Likewise.
        (vcmpcsq_m_n_u8): Likewise.
        (vclzq_m_u8): Likewise.
        (vaddvaq_p_u8): Likewise.
        (vsriq_n_u8): Likewise.
        (vsliq_n_u8): Likewise.
        (vshlq_m_r_u8): Likewise.
        (vrshlq_m_n_u8): Likewise.
        (vqshlq_m_r_u8): Likewise.
        (vqrshlq_m_n_u8): Likewise.
        (vminavq_p_s8): Likewise.
        (vminaq_m_s8): Likewise.
        (vmaxavq_p_s8): Likewise.
        (vmaxaq_m_s8): Likewise.
        (vcmpneq_m_s8): Likewise.
        (vcmpneq_m_n_s8): Likewise.
        (vcmpltq_m_s8): Likewise.
        (vcmpltq_m_n_s8): Likewise.
        (vcmpleq_m_s8): Likewise.
        (vcmpleq_m_n_s8): Likewise.
        (vcmpgtq_m_s8): Likewise.
        (vcmpgtq_m_n_s8): Likewise.
        (vcmpgeq_m_s8): Likewise.
        (vcmpgeq_m_n_s8): Likewise.
        (vcmpeqq_m_s8): Likewise.
        (vcmpeqq_m_n_s8): Likewise.
        (vshlq_m_r_s8): Likewise.
        (vrshlq_m_n_s8): Likewise.
        (vrev64q_m_s8): Likewise.
        (vqshlq_m_r_s8): Likewise.
        (vqrshlq_m_n_s8): Likewise.
        (vqnegq_m_s8): Likewise.
        (vqabsq_m_s8): Likewise.
        (vnegq_m_s8): Likewise.
        (vmvnq_m_s8): Likewise.
        (vmlsdavxq_p_s8): Likewise.
        (vmlsdavq_p_s8): Likewise.
        (vmladavxq_p_s8): Likewise.
        (vmladavq_p_s8): Likewise.
        (vminvq_p_s8): Likewise.
        (vmaxvq_p_s8): Likewise.
        (vdupq_m_n_s8): Likewise.
        (vclzq_m_s8): Likewise.
        (vclsq_m_s8): Likewise.
        (vaddvaq_p_s8): Likewise.
        (vabsq_m_s8): Likewise.
        (vqrdmlsdhxq_s8): Likewise.
        (vqrdmlsdhq_s8): Likewise.
        (vqrdmlashq_n_s8): Likewise.
        (vqrdmlahq_n_s8): Likewise.
        (vqrdmladhxq_s8): Likewise.
        (vqrdmladhq_s8): Likewise.
        (vqdmlsdhxq_s8): Likewise.
        (vqdmlsdhq_s8): Likewise.
        (vqdmlahq_n_s8): Likewise.
        (vqdmladhxq_s8): Likewise.
        (vqdmladhq_s8): Likewise.
        (vmlsdavaxq_s8): Likewise.
        (vmlsdavaq_s8): Likewise.
        (vmlasq_n_s8): Likewise.
        (vmlaq_n_s8): Likewise.
        (vmladavaxq_s8): Likewise.
        (vmladavaq_s8): Likewise.
        (vsriq_n_s8): Likewise.
        (vsliq_n_s8): Likewise.
        (vpselq_u16): Likewise.
        (vpselq_s16): Likewise.
        (vrev64q_m_u16): Likewise.
        (vqrdmlashq_n_u16): Likewise.
        (vqrdmlahq_n_u16): Likewise.
        (vqdmlahq_n_u16): Likewise.
        (vmvnq_m_u16): Likewise.
        (vmlasq_n_u16): Likewise.
        (vmlaq_n_u16): Likewise.
        (vmladavq_p_u16): Likewise.
        (vmladavaq_u16): Likewise.
        (vminvq_p_u16): Likewise.
        (vmaxvq_p_u16): Likewise.
        (vdupq_m_n_u16): Likewise.
        (vcmpneq_m_u16): Likewise.
        (vcmpneq_m_n_u16): Likewise.
        (vcmphiq_m_u16): Likewise.
        (vcmphiq_m_n_u16): Likewise.
        (vcmpeqq_m_u16): Likewise.
        (vcmpeqq_m_n_u16): Likewise.
        (vcmpcsq_m_u16): Likewise.
        (vcmpcsq_m_n_u16): Likewise.
        (vclzq_m_u16): Likewise.
        (vaddvaq_p_u16): Likewise.
        (vsriq_n_u16): Likewise.
        (vsliq_n_u16): Likewise.
        (vshlq_m_r_u16): Likewise.
        (vrshlq_m_n_u16): Likewise.
        (vqshlq_m_r_u16): Likewise.
        (vqrshlq_m_n_u16): Likewise.
        (vminavq_p_s16): Likewise.
        (vminaq_m_s16): Likewise.
        (vmaxavq_p_s16): Likewise.
        (vmaxaq_m_s16): Likewise.
        (vcmpneq_m_s16): Likewise.
        (vcmpneq_m_n_s16): Likewise.
        (vcmpltq_m_s16): Likewise.
        (vcmpltq_m_n_s16): Likewise.
        (vcmpleq_m_s16): Likewise.
        (vcmpleq_m_n_s16): Likewise.
        (vcmpgtq_m_s16): Likewise.
        (vcmpgtq_m_n_s16): Likewise.
        (vcmpgeq_m_s16): Likewise.
        (vcmpgeq_m_n_s16): Likewise.
        (vcmpeqq_m_s16): Likewise.
        (vcmpeqq_m_n_s16): Likewise.
        (vshlq_m_r_s16): Likewise.
        (vrshlq_m_n_s16): Likewise.
        (vrev64q_m_s16): Likewise.
        (vqshlq_m_r_s16): Likewise.
        (vqrshlq_m_n_s16): Likewise.
        (vqnegq_m_s16): Likewise.
        (vqabsq_m_s16): Likewise.
        (vnegq_m_s16): Likewise.
        (vmvnq_m_s16): Likewise.
        (vmlsdavxq_p_s16): Likewise.
        (vmlsdavq_p_s16): Likewise.
        (vmladavxq_p_s16): Likewise.
        (vmladavq_p_s16): Likewise.
        (vminvq_p_s16): Likewise.
        (vmaxvq_p_s16): Likewise.
        (vdupq_m_n_s16): Likewise.
        (vclzq_m_s16): Likewise.
        (vclsq_m_s16): Likewise.
        (vaddvaq_p_s16): Likewise.
        (vabsq_m_s16): Likewise.
        (vqrdmlsdhxq_s16): Likewise.
        (vqrdmlsdhq_s16): Likewise.
        (vqrdmlashq_n_s16): Likewise.
        (vqrdmlahq_n_s16): Likewise.
        (vqrdmladhxq_s16): Likewise.
        (vqrdmladhq_s16): Likewise.
        (vqdmlsdhxq_s16): Likewise.
        (vqdmlsdhq_s16): Likewise.
        (vqdmlahq_n_s16): Likewise.
        (vqdmladhxq_s16): Likewise.
        (vqdmladhq_s16): Likewise.
        (vmlsdavaxq_s16): Likewise.
        (vmlsdavaq_s16): Likewise.
        (vmlasq_n_s16): Likewise.
        (vmlaq_n_s16): Likewise.
        (vmladavaxq_s16): Likewise.
        (vmladavaq_s16): Likewise.
        (vsriq_n_s16): Likewise.
        (vsliq_n_s16): Likewise.
        (vpselq_u32): Likewise.
        (vpselq_s32): Likewise.
        (vrev64q_m_u32): Likewise.
        (vqrdmlashq_n_u32): Likewise.
        (vqrdmlahq_n_u32): Likewise.
        (vqdmlahq_n_u32): Likewise.
        (vmvnq_m_u32): Likewise.
        (vmlasq_n_u32): Likewise.
        (vmlaq_n_u32): Likewise.
        (vmladavq_p_u32): Likewise.
        (vmladavaq_u32): Likewise.
        (vminvq_p_u32): Likewise.
        (vmaxvq_p_u32): Likewise.
        (vdupq_m_n_u32): Likewise.
        (vcmpneq_m_u32): Likewise.
        (vcmpneq_m_n_u32): Likewise.
        (vcmphiq_m_u32): Likewise.
        (vcmphiq_m_n_u32): Likewise.
        (vcmpeqq_m_u32): Likewise.
        (vcmpeqq_m_n_u32): Likewise.
        (vcmpcsq_m_u32): Likewise.
        (vcmpcsq_m_n_u32): Likewise.
        (vclzq_m_u32): Likewise.
        (vaddvaq_p_u32): Likewise.
        (vsriq_n_u32): Likewise.
        (vsliq_n_u32): Likewise.
        (vshlq_m_r_u32): Likewise.
        (vrshlq_m_n_u32): Likewise.
        (vqshlq_m_r_u32): Likewise.
        (vqrshlq_m_n_u32): Likewise.
        (vminavq_p_s32): Likewise.
        (vminaq_m_s32): Likewise.
        (vmaxavq_p_s32): Likewise.
        (vmaxaq_m_s32): Likewise.
        (vcmpneq_m_s32): Likewise.
        (vcmpneq_m_n_s32): Likewise.
        (vcmpltq_m_s32): Likewise.
        (vcmpltq_m_n_s32): Likewise.
        (vcmpleq_m_s32): Likewise.
        (vcmpleq_m_n_s32): Likewise.
        (vcmpgtq_m_s32): Likewise.
        (vcmpgtq_m_n_s32): Likewise.
        (vcmpgeq_m_s32): Likewise.
        (vcmpgeq_m_n_s32): Likewise.
        (vcmpeqq_m_s32): Likewise.
        (vcmpeqq_m_n_s32): Likewise.
        (vshlq_m_r_s32): Likewise.
        (vrshlq_m_n_s32): Likewise.
        (vrev64q_m_s32): Likewise.
        (vqshlq_m_r_s32): Likewise.
        (vqrshlq_m_n_s32): Likewise.
        (vqnegq_m_s32): Likewise.
        (vqabsq_m_s32): Likewise.
        (vnegq_m_s32): Likewise.
        (vmvnq_m_s32): Likewise.
        (vmlsdavxq_p_s32): Likewise.
        (vmlsdavq_p_s32): Likewise.
        (vmladavxq_p_s32): Likewise.
        (vmladavq_p_s32): Likewise.
        (vminvq_p_s32): Likewise.
        (vmaxvq_p_s32): Likewise.
        (vdupq_m_n_s32): Likewise.
        (vclzq_m_s32): Likewise.
        (vclsq_m_s32): Likewise.
        (vaddvaq_p_s32): Likewise.
        (vabsq_m_s32): Likewise.
        (vqrdmlsdhxq_s32): Likewise.
        (vqrdmlsdhq_s32): Likewise.
        (vqrdmlashq_n_s32): Likewise.
        (vqrdmlahq_n_s32): Likewise.
        (vqrdmladhxq_s32): Likewise.
        (vqrdmladhq_s32): Likewise.
        (vqdmlsdhxq_s32): Likewise.
        (vqdmlsdhq_s32): Likewise.
        (vqdmlahq_n_s32): Likewise.
        (vqdmladhxq_s32): Likewise.
        (vqdmladhq_s32): Likewise.
        (vmlsdavaxq_s32): Likewise.
        (vmlsdavaq_s32): Likewise.
        (vmlasq_n_s32): Likewise.
        (vmlaq_n_s32): Likewise.
        (vmladavaxq_s32): Likewise.
        (vmladavaq_s32): Likewise.
        (vsriq_n_s32): Likewise.
        (vsliq_n_s32): Likewise.
        (vpselq_u64): Likewise.
        (vpselq_s64): Likewise.
        (__arm_vpselq_u8): Define intrinsic.
        (__arm_vpselq_s8): Likewise.
        (__arm_vrev64q_m_u8): Likewise.
        (__arm_vqrdmlashq_n_u8): Likewise.
        (__arm_vqrdmlahq_n_u8): Likewise.
        (__arm_vqdmlahq_n_u8): Likewise.
        (__arm_vmvnq_m_u8): Likewise.
        (__arm_vmlasq_n_u8): Likewise.
        (__arm_vmlaq_n_u8): Likewise.
        (__arm_vmladavq_p_u8): Likewise.
        (__arm_vmladavaq_u8): Likewise.
        (__arm_vminvq_p_u8): Likewise.
        (__arm_vmaxvq_p_u8): Likewise.
        (__arm_vdupq_m_n_u8): Likewise.
        (__arm_vcmpneq_m_u8): Likewise.
        (__arm_vcmpneq_m_n_u8): Likewise.
        (__arm_vcmphiq_m_u8): Likewise.
        (__arm_vcmphiq_m_n_u8): Likewise.
        (__arm_vcmpeqq_m_u8): Likewise.
        (__arm_vcmpeqq_m_n_u8): Likewise.
        (__arm_vcmpcsq_m_u8): Likewise.
        (__arm_vcmpcsq_m_n_u8): Likewise.
        (__arm_vclzq_m_u8): Likewise.
        (__arm_vaddvaq_p_u8): Likewise.
        (__arm_vsriq_n_u8): Likewise.
        (__arm_vsliq_n_u8): Likewise.
        (__arm_vshlq_m_r_u8): Likewise.
        (__arm_vrshlq_m_n_u8): Likewise.
        (__arm_vqshlq_m_r_u8): Likewise.
        (__arm_vqrshlq_m_n_u8): Likewise.
        (__arm_vminavq_p_s8): Likewise.
        (__arm_vminaq_m_s8): Likewise.
        (__arm_vmaxavq_p_s8): Likewise.
        (__arm_vmaxaq_m_s8): Likewise.
        (__arm_vcmpneq_m_s8): Likewise.
        (__arm_vcmpneq_m_n_s8): Likewise.
        (__arm_vcmpltq_m_s8): Likewise.
        (__arm_vcmpltq_m_n_s8): Likewise.
        (__arm_vcmpleq_m_s8): Likewise.
        (__arm_vcmpleq_m_n_s8): Likewise.
        (__arm_vcmpgtq_m_s8): Likewise.
        (__arm_vcmpgtq_m_n_s8): Likewise.
        (__arm_vcmpgeq_m_s8): Likewise.
        (__arm_vcmpgeq_m_n_s8): Likewise.
        (__arm_vcmpeqq_m_s8): Likewise.
        (__arm_vcmpeqq_m_n_s8): Likewise.
        (__arm_vshlq_m_r_s8): Likewise.
        (__arm_vrshlq_m_n_s8): Likewise.
        (__arm_vrev64q_m_s8): Likewise.
        (__arm_vqshlq_m_r_s8): Likewise.
        (__arm_vqrshlq_m_n_s8): Likewise.
        (__arm_vqnegq_m_s8): Likewise.
        (__arm_vqabsq_m_s8): Likewise.
        (__arm_vnegq_m_s8): Likewise.
        (__arm_vmvnq_m_s8): Likewise.
        (__arm_vmlsdavxq_p_s8): Likewise.
        (__arm_vmlsdavq_p_s8): Likewise.
        (__arm_vmladavxq_p_s8): Likewise.
        (__arm_vmladavq_p_s8): Likewise.
        (__arm_vminvq_p_s8): Likewise.
        (__arm_vmaxvq_p_s8): Likewise.
        (__arm_vdupq_m_n_s8): Likewise.
        (__arm_vclzq_m_s8): Likewise.
        (__arm_vclsq_m_s8): Likewise.
        (__arm_vaddvaq_p_s8): Likewise.
        (__arm_vabsq_m_s8): Likewise.
        (__arm_vqrdmlsdhxq_s8): Likewise.
        (__arm_vqrdmlsdhq_s8): Likewise.
        (__arm_vqrdmlashq_n_s8): Likewise.
        (__arm_vqrdmlahq_n_s8): Likewise.
        (__arm_vqrdmladhxq_s8): Likewise.
        (__arm_vqrdmladhq_s8): Likewise.
        (__arm_vqdmlsdhxq_s8): Likewise.
        (__arm_vqdmlsdhq_s8): Likewise.
        (__arm_vqdmlahq_n_s8): Likewise.
        (__arm_vqdmladhxq_s8): Likewise.
        (__arm_vqdmladhq_s8): Likewise.
        (__arm_vmlsdavaxq_s8): Likewise.
        (__arm_vmlsdavaq_s8): Likewise.
        (__arm_vmlasq_n_s8): Likewise.
        (__arm_vmlaq_n_s8): Likewise.
        (__arm_vmladavaxq_s8): Likewise.
        (__arm_vmladavaq_s8): Likewise.
        (__arm_vsriq_n_s8): Likewise.
        (__arm_vsliq_n_s8): Likewise.
        (__arm_vpselq_u16): Likewise.
        (__arm_vpselq_s16): Likewise.
        (__arm_vrev64q_m_u16): Likewise.
        (__arm_vqrdmlashq_n_u16): Likewise.
        (__arm_vqrdmlahq_n_u16): Likewise.
        (__arm_vqdmlahq_n_u16): Likewise.
        (__arm_vmvnq_m_u16): Likewise.
        (__arm_vmlasq_n_u16): Likewise.
        (__arm_vmlaq_n_u16): Likewise.
        (__arm_vmladavq_p_u16): Likewise.
        (__arm_vmladavaq_u16): Likewise.
        (__arm_vminvq_p_u16): Likewise.
        (__arm_vmaxvq_p_u16): Likewise.
        (__arm_vdupq_m_n_u16): Likewise.
        (__arm_vcmpneq_m_u16): Likewise.
        (__arm_vcmpneq_m_n_u16): Likewise.
        (__arm_vcmphiq_m_u16): Likewise.
        (__arm_vcmphiq_m_n_u16): Likewise.
        (__arm_vcmpeqq_m_u16): Likewise.
        (__arm_vcmpeqq_m_n_u16): Likewise.
        (__arm_vcmpcsq_m_u16): Likewise.
        (__arm_vcmpcsq_m_n_u16): Likewise.
        (__arm_vclzq_m_u16): Likewise.
        (__arm_vaddvaq_p_u16): Likewise.
        (__arm_vsriq_n_u16): Likewise.
        (__arm_vsliq_n_u16): Likewise.
        (__arm_vshlq_m_r_u16): Likewise.
        (__arm_vrshlq_m_n_u16): Likewise.
        (__arm_vqshlq_m_r_u16): Likewise.
        (__arm_vqrshlq_m_n_u16): Likewise.
        (__arm_vminavq_p_s16): Likewise.
        (__arm_vminaq_m_s16): Likewise.
        (__arm_vmaxavq_p_s16): Likewise.
        (__arm_vmaxaq_m_s16): Likewise.
        (__arm_vcmpneq_m_s16): Likewise.
        (__arm_vcmpneq_m_n_s16): Likewise.
        (__arm_vcmpltq_m_s16): Likewise.
        (__arm_vcmpltq_m_n_s16): Likewise.
        (__arm_vcmpleq_m_s16): Likewise.
        (__arm_vcmpleq_m_n_s16): Likewise.
        (__arm_vcmpgtq_m_s16): Likewise.
        (__arm_vcmpgtq_m_n_s16): Likewise.
        (__arm_vcmpgeq_m_s16): Likewise.
        (__arm_vcmpgeq_m_n_s16): Likewise.
        (__arm_vcmpeqq_m_s16): Likewise.
        (__arm_vcmpeqq_m_n_s16): Likewise.
        (__arm_vshlq_m_r_s16): Likewise.
        (__arm_vrshlq_m_n_s16): Likewise.
        (__arm_vrev64q_m_s16): Likewise.
        (__arm_vqshlq_m_r_s16): Likewise.
        (__arm_vqrshlq_m_n_s16): Likewise.
        (__arm_vqnegq_m_s16): Likewise.
        (__arm_vqabsq_m_s16): Likewise.
        (__arm_vnegq_m_s16): Likewise.
        (__arm_vmvnq_m_s16): Likewise.
        (__arm_vmlsdavxq_p_s16): Likewise.
        (__arm_vmlsdavq_p_s16): Likewise.
        (__arm_vmladavxq_p_s16): Likewise.
        (__arm_vmladavq_p_s16): Likewise.
        (__arm_vminvq_p_s16): Likewise.
        (__arm_vmaxvq_p_s16): Likewise.
        (__arm_vdupq_m_n_s16): Likewise.
        (__arm_vclzq_m_s16): Likewise.
        (__arm_vclsq_m_s16): Likewise.
        (__arm_vaddvaq_p_s16): Likewise.
        (__arm_vabsq_m_s16): Likewise.
        (__arm_vqrdmlsdhxq_s16): Likewise.
        (__arm_vqrdmlsdhq_s16): Likewise.
        (__arm_vqrdmlashq_n_s16): Likewise.
        (__arm_vqrdmlahq_n_s16): Likewise.
        (__arm_vqrdmladhxq_s16): Likewise.
        (__arm_vqrdmladhq_s16): Likewise.
        (__arm_vqdmlsdhxq_s16): Likewise.
        (__arm_vqdmlsdhq_s16): Likewise.
        (__arm_vqdmlahq_n_s16): Likewise.
        (__arm_vqdmladhxq_s16): Likewise.
        (__arm_vqdmladhq_s16): Likewise.
        (__arm_vmlsdavaxq_s16): Likewise.
        (__arm_vmlsdavaq_s16): Likewise.
        (__arm_vmlasq_n_s16): Likewise.
        (__arm_vmlaq_n_s16): Likewise.
        (__arm_vmladavaxq_s16): Likewise.
        (__arm_vmladavaq_s16): Likewise.
        (__arm_vsriq_n_s16): Likewise.
        (__arm_vsliq_n_s16): Likewise.
        (__arm_vpselq_u32): Likewise.
        (__arm_vpselq_s32): Likewise.
        (__arm_vrev64q_m_u32): Likewise.
        (__arm_vqrdmlashq_n_u32): Likewise.
        (__arm_vqrdmlahq_n_u32): Likewise.
        (__arm_vqdmlahq_n_u32): Likewise.
        (__arm_vmvnq_m_u32): Likewise.
        (__arm_vmlasq_n_u32): Likewise.
        (__arm_vmlaq_n_u32): Likewise.
        (__arm_vmladavq_p_u32): Likewise.
        (__arm_vmladavaq_u32): Likewise.
        (__arm_vminvq_p_u32): Likewise.
        (__arm_vmaxvq_p_u32): Likewise.
        (__arm_vdupq_m_n_u32): Likewise.
        (__arm_vcmpneq_m_u32): Likewise.
        (__arm_vcmpneq_m_n_u32): Likewise.
        (__arm_vcmphiq_m_u32): Likewise.
        (__arm_vcmphiq_m_n_u32): Likewise.
        (__arm_vcmpeqq_m_u32): Likewise.
        (__arm_vcmpeqq_m_n_u32): Likewise.
        (__arm_vcmpcsq_m_u32): Likewise.
        (__arm_vcmpcsq_m_n_u32): Likewise.
        (__arm_vclzq_m_u32): Likewise.
        (__arm_vaddvaq_p_u32): Likewise.
        (__arm_vsriq_n_u32): Likewise.
        (__arm_vsliq_n_u32): Likewise.
        (__arm_vshlq_m_r_u32): Likewise.
        (__arm_vrshlq_m_n_u32): Likewise.
        (__arm_vqshlq_m_r_u32): Likewise.
        (__arm_vqrshlq_m_n_u32): Likewise.
        (__arm_vminavq_p_s32): Likewise.
        (__arm_vminaq_m_s32): Likewise.
        (__arm_vmaxavq_p_s32): Likewise.
        (__arm_vmaxaq_m_s32): Likewise.
        (__arm_vcmpneq_m_s32): Likewise.
        (__arm_vcmpneq_m_n_s32): Likewise.
        (__arm_vcmpltq_m_s32): Likewise.
        (__arm_vcmpltq_m_n_s32): Likewise.
        (__arm_vcmpleq_m_s32): Likewise.
        (__arm_vcmpleq_m_n_s32): Likewise.
        (__arm_vcmpgtq_m_s32): Likewise.
        (__arm_vcmpgtq_m_n_s32): Likewise.
        (__arm_vcmpgeq_m_s32): Likewise.
        (__arm_vcmpgeq_m_n_s32): Likewise.
        (__arm_vcmpeqq_m_s32): Likewise.
        (__arm_vcmpeqq_m_n_s32): Likewise.
        (__arm_vshlq_m_r_s32): Likewise.
        (__arm_vrshlq_m_n_s32): Likewise.
        (__arm_vrev64q_m_s32): Likewise.
        (__arm_vqshlq_m_r_s32): Likewise.
        (__arm_vqrshlq_m_n_s32): Likewise.
        (__arm_vqnegq_m_s32): Likewise.
        (__arm_vqabsq_m_s32): Likewise.
        (__arm_vnegq_m_s32): Likewise.
        (__arm_vmvnq_m_s32): Likewise.
        (__arm_vmlsdavxq_p_s32): Likewise.
        (__arm_vmlsdavq_p_s32): Likewise.
        (__arm_vmladavxq_p_s32): Likewise.
        (__arm_vmladavq_p_s32): Likewise.
        (__arm_vminvq_p_s32): Likewise.
        (__arm_vmaxvq_p_s32): Likewise.
        (__arm_vdupq_m_n_s32): Likewise.
        (__arm_vclzq_m_s32): Likewise.
        (__arm_vclsq_m_s32): Likewise.
        (__arm_vaddvaq_p_s32): Likewise.
        (__arm_vabsq_m_s32): Likewise.
        (__arm_vqrdmlsdhxq_s32): Likewise.
        (__arm_vqrdmlsdhq_s32): Likewise.
        (__arm_vqrdmlashq_n_s32): Likewise.
        (__arm_vqrdmlahq_n_s32): Likewise.
        (__arm_vqrdmladhxq_s32): Likewise.
        (__arm_vqrdmladhq_s32): Likewise.
        (__arm_vqdmlsdhxq_s32): Likewise.
        (__arm_vqdmlsdhq_s32): Likewise.
        (__arm_vqdmlahq_n_s32): Likewise.
        (__arm_vqdmladhxq_s32): Likewise.
        (__arm_vqdmladhq_s32): Likewise.
        (__arm_vmlsdavaxq_s32): Likewise.
        (__arm_vmlsdavaq_s32): Likewise.
        (__arm_vmlasq_n_s32): Likewise.
        (__arm_vmlaq_n_s32): Likewise.
        (__arm_vmladavaxq_s32): Likewise.
        (__arm_vmladavaq_s32): Likewise.
        (__arm_vsriq_n_s32): Likewise.
        (__arm_vsliq_n_s32): Likewise.
        (__arm_vpselq_u64): Likewise.
        (__arm_vpselq_s64): Likewise.
        (vcmpneq_m_n): Define polymorphic variant.
        (vcmpneq_m): Likewise.
        (vqrdmlsdhq): Likewise.
        (vqrdmlsdhxq): Likewise.
        (vqrshlq_m_n): Likewise.
        (vqshlq_m_r): Likewise.
        (vrev64q_m): Likewise.
        (vrshlq_m_n): Likewise.
        (vshlq_m_r): Likewise.
        (vsliq_n): Likewise.
        (vsriq_n): Likewise.
        (vqrdmlashq_n): Likewise.
        (vqrdmlahq): Likewise.
        (vqrdmladhxq): Likewise.
        (vqrdmladhq): Likewise.
        (vqnegq_m): Likewise.
        (vqdmlsdhxq): Likewise.
        (vabsq_m): Likewise.
        (vclsq_m): Likewise.
        (vclzq_m): Likewise.
        (vcmpgeq_m): Likewise.
        (vcmpgeq_m_n): Likewise.
        (vdupq_m_n): Likewise.
        (vmaxaq_m): Likewise.
        (vmlaq_n): Likewise.
        (vmlasq_n): Likewise.
        (vmvnq_m): Likewise.
        (vnegq_m): Likewise.
        (vpselq): Likewise.
        (vqdmlahq_n): Likewise.
        (vqrdmlahq_n): Likewise.
        (vqdmlsdhq): Likewise.
        (vqdmladhq): Likewise.
        (vqabsq_m): Likewise.
        (vminaq_m): Likewise.
        (vrmlaldavhaq): Likewise.
        (vmlsdavxq_p): Likewise.
        (vmlsdavq_p): Likewise. 
        (vmlsdavaxq): Likewise. 
        (vmlsdavaq): Likewise.  
        (vaddvaq_p): Likewise.  
        (vcmpcsq_m_n): Likewise.        
        (vcmpcsq_m): Likewise.  
        (vcmpeqq_m_n): Likewise.        
        (vcmpeqq_m): Likewise.  
        (vmladavxq_p): Likewise.        
        (vmladavq_p): Likewise. 
        (vmladavaxq): Likewise. 
        (vmladavaq): Likewise.  
        (vminvq_p): Likewise.   
        (vminavq_p): Likewise.  
        (vmaxvq_p): Likewise.   
        (vmaxavq_p): Likewise.  
        (vcmpltq_m_n): Likewise.        
        (vcmpltq_m): Likewise.  
        (vcmpleq_m): Likewise.  
        (vcmpleq_m_n): Likewise.        
        (vcmphiq_m_n): Likewise.        
        (vcmphiq_m): Likewise.  
        (vcmpgtq_m_n): Likewise.        
        (vcmpgtq_m): Likewise.  
        * config/arm/arm_mve_builtins.def (TERNOP_NONE_NONE_NONE_IMM): Use
        builtin qualifier.
        (TERNOP_NONE_NONE_NONE_NONE): Likewise.
        (TERNOP_NONE_NONE_NONE_UNONE): Likewise.
        (TERNOP_UNONE_NONE_NONE_UNONE): Likewise.
        (TERNOP_UNONE_UNONE_NONE_UNONE): Likewise.
        (TERNOP_UNONE_UNONE_UNONE_IMM): Likewise.
        (TERNOP_UNONE_UNONE_UNONE_UNONE): Likewise.
        * config/arm/constraints.md (Rc): Define constraint to check constant is
        in the range of 0 to 15.
        (Re): Define constraint to check constant is in the range of 0 to 31.
        * config/arm/mve.md (VADDVAQ_P): Define iterator.
        (VCLZQ_M): Likewise.
        (VCMPEQQ_M_N): Likewise.
        (VCMPEQQ_M): Likewise.
        (VCMPNEQ_M_N): Likewise.
        (VCMPNEQ_M): Likewise.
        (VDUPQ_M_N): Likewise.
        (VMAXVQ_P): Likewise.
        (VMINVQ_P): Likewise.
        (VMLADAVAQ): Likewise.
        (VMLADAVQ_P): Likewise.
        (VMLAQ_N): Likewise.
        (VMLASQ_N): Likewise.
        (VMVNQ_M): Likewise.
        (VPSELQ): Likewise.
        (VQDMLAHQ_N): Likewise.
        (VQRDMLAHQ_N): Likewise.
        (VQRDMLASHQ_N): Likewise.
        (VQRSHLQ_M_N): Likewise.
        (VQSHLQ_M_R): Likewise.
        (VREV64Q_M): Likewise.
        (VRSHLQ_M_N): Likewise.
        (VSHLQ_M_R): Likewise.
        (VSLIQ_N): Likewise.
        (VSRIQ_N): Likewise.
        (mve_vabsq_m_s<mode>): Define RTL pattern.
        (mve_vaddvaq_p_<supf><mode>): Likewise.
        (mve_vclsq_m_s<mode>): Likewise.
        (mve_vclzq_m_<supf><mode>): Likewise.
        (mve_vcmpcsq_m_n_u<mode>): Likewise.
        (mve_vcmpcsq_m_u<mode>): Likewise.
        (mve_vcmpeqq_m_n_<supf><mode>): Likewise.
        (mve_vcmpeqq_m_<supf><mode>): Likewise.
        (mve_vcmpgeq_m_n_s<mode>): Likewise.
        (mve_vcmpgeq_m_s<mode>): Likewise.
        (mve_vcmpgtq_m_n_s<mode>): Likewise.
        (mve_vcmpgtq_m_s<mode>): Likewise.
        (mve_vcmphiq_m_n_u<mode>): Likewise.
        (mve_vcmphiq_m_u<mode>): Likewise.
        (mve_vcmpleq_m_n_s<mode>): Likewise.
        (mve_vcmpleq_m_s<mode>): Likewise.
        (mve_vcmpltq_m_n_s<mode>): Likewise.
        (mve_vcmpltq_m_s<mode>): Likewise.
        (mve_vcmpneq_m_n_<supf><mode>): Likewise.
        (mve_vcmpneq_m_<supf><mode>): Likewise.
        (mve_vdupq_m_n_<supf><mode>): Likewise.
        (mve_vmaxaq_m_s<mode>): Likewise.
        (mve_vmaxavq_p_s<mode>): Likewise.
        (mve_vmaxvq_p_<supf><mode>): Likewise.
        (mve_vminaq_m_s<mode>): Likewise.
        (mve_vminavq_p_s<mode>): Likewise.
        (mve_vminvq_p_<supf><mode>): Likewise.
        (mve_vmladavaq_<supf><mode>): Likewise.
        (mve_vmladavq_p_<supf><mode>): Likewise.
        (mve_vmladavxq_p_s<mode>): Likewise.
        (mve_vmlaq_n_<supf><mode>): Likewise.
        (mve_vmlasq_n_<supf><mode>): Likewise.
        (mve_vmlsdavq_p_s<mode>): Likewise.
        (mve_vmlsdavxq_p_s<mode>): Likewise.
        (mve_vmvnq_m_<supf><mode>): Likewise.
        (mve_vnegq_m_s<mode>): Likewise.
        (mve_vpselq_<supf><mode>): Likewise.
        (mve_vqabsq_m_s<mode>): Likewise.
        (mve_vqdmlahq_n_<supf><mode>): Likewise.
        (mve_vqnegq_m_s<mode>): Likewise.
        (mve_vqrdmladhq_s<mode>): Likewise.
        (mve_vqrdmladhxq_s<mode>): Likewise.
        (mve_vqrdmlahq_n_<supf><mode>): Likewise.
        (mve_vqrdmlashq_n_<supf><mode>): Likewise.
        (mve_vqrdmlsdhq_s<mode>): Likewise.
        (mve_vqrdmlsdhxq_s<mode>): Likewise.
        (mve_vqrshlq_m_n_<supf><mode>): Likewise.
        (mve_vqshlq_m_r_<supf><mode>): Likewise.
        (mve_vrev64q_m_<supf><mode>): Likewise.
        (mve_vrshlq_m_n_<supf><mode>): Likewise.
        (mve_vshlq_m_r_<supf><mode>): Likewise.
        (mve_vsliq_n_<supf><mode>): Likewise.
        (mve_vsriq_n_<supf><mode>): Likewise.
        (mve_vqdmlsdhxq_s<mode>): Likewise.
        (mve_vqdmlsdhq_s<mode>): Likewise.
        (mve_vqdmladhxq_s<mode>): Likewise.
        (mve_vqdmladhq_s<mode>): Likewise.
        (mve_vmlsdavaxq_s<mode>): Likewise.
        (mve_vmlsdavaq_s<mode>): Likewise.
        (mve_vmladavaxq_s<mode>): Likewise.
        * config/arm/predicates.md (mve_imm_15):Define predicate to check the
        matching constraint Rc.
        (mve_imm_31): Define predicate to check the matching constraint Re.

2020-03-18  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (vec_cmp<mode>di): Set operand 1 to DImode.
        (vec_cmp<mode>di_dup): Likewise.
        * config/gcn/gcn.h (STORE_FLAG_VALUE): Set to -1.

2020-03-18  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (COND_MODE): Delete.
        (COND_INT_MODE): Delete.
        (cond_op): Add "mult".
        (cond_<expander><mode>): Use VEC_ALLREG_MODE.
        (cond_<expander><mode>): Use VEC_ALLREG_INT_MODE.

2020-03-18   Richard Biener  <rguenther@suse.de>

        PR middle-end/94206
        * gimple-fold.c (gimple_fold_builtin_memset): Avoid using
        partial int modes or not mode-precision integer types for
        the store.

2020-03-18  Jakub Jelinek  <jakub@redhat.com>

        * asan.c (get_mem_refs_of_builtin_call): Fix up duplicated word issue
        in a comment.
        * config/arc/arc.c (frame_stack_add): Likewise.
        * gimple-loop-versioning.cc (loop_versioning::analyze_arbitrary_term):
        Likewise.
        * ipa-predicate.c (predicate::remap_after_inlining): Likewise.
        * tree-ssa-strlen.h (handle_printf_call): Likewise.
        * tree-ssa-strlen.c (is_strlen_related_p): Likewise.
        * optinfo-emit-json.cc (optrecord_json_writer::add_record): Likewise.

2020-03-18  Duan bo  <duanbo3@huawei.com>

        PR target/94201
        * config/aarch64/aarch64.md (ldr_got_tiny): Delete.
        (@ldr_got_tiny_<mode>): New pattern.
        (ldr_got_tiny_sidi): Likewise.
        * config/aarch64/aarch64.c (aarch64_load_symref_appropriately): Use
        them to handle SYMBOL_TINY_GOT for ILP32.

2020-03-18  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.c (aarch64_sve_abi): Treat p12-p15 as
        call-preserved for SVE PCS functions.
        (aarch64_layout_frame): Cope with up to 12 predicate save slots.
        Optimize the case in which there are no following vector save slots.

2020-03-18  Richard Biener  <rguenther@suse.de>

        PR middle-end/94188
        * fold-const.c (build_fold_addr_expr): Convert address to
        correct type.
        * asan.c (maybe_create_ssa_name): Strip useless type conversions.
        * gimple-fold.c (gimple_fold_stmt_to_constant_1): Use build1
        to build the ADDR_EXPR which we don't really want to simplify.
        * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
        * tree-ssa-loop-im.c (gather_mem_refs_stmt): Likewise.
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
        (simplify_builtin_call): Strip useless type conversions.
        * tree-ssa-strlen.c (new_strinfo): Likewise.

2020-03-17  Alexey Neyman  <stilor@att.net>

        PR debug/93751
        * dwarf2out.c (gen_decl_die): Proceed to generating the DIE if
        the debug level is terse and the declaration is public. Do not
        generate type info.
        (dwarf2out_decl): Same.
        (add_type_attribute): Return immediately if debug level is
        terse.

2020-03-17  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/iterators.md (Vmtype): Handle V4BF and V8BF.

2020-03-17  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm-builtins.c (TERNOP_UNONE_UNONE_UNONE_IMM_QUALIFIERS):
        Define qualifier for ternary operands.
        (TERNOP_UNONE_UNONE_NONE_NONE_QUALIFIERS): Likewise.
        (TERNOP_UNONE_NONE_UNONE_IMM_QUALIFIERS): Likewise.
        (TERNOP_NONE_NONE_UNONE_IMM_QUALIFIERS): Likewise.
        (TERNOP_UNONE_UNONE_NONE_IMM_QUALIFIERS): Likewise.
        (TERNOP_UNONE_UNONE_NONE_UNONE_QUALIFIERS): Likewise.
        (TERNOP_UNONE_UNONE_IMM_UNONE_QUALIFIERS): Likewise.
        (TERNOP_UNONE_NONE_NONE_UNONE_QUALIFIERS): Likewise.
        (TERNOP_NONE_NONE_NONE_IMM_QUALIFIERS): Likewise.
        (TERNOP_NONE_NONE_NONE_UNONE_QUALIFIERS): Likewise.
        (TERNOP_NONE_NONE_IMM_UNONE_QUALIFIERS): Likewise.
        (TERNOP_NONE_NONE_UNONE_UNONE_QUALIFIERS): Likewise.
        (TERNOP_UNONE_UNONE_UNONE_UNONE_QUALIFIERS): Likewise.
        (TERNOP_NONE_NONE_NONE_NONE_QUALIFIERS): Likewise.
        * config/arm/arm_mve.h (vabavq_s8): Define macro.
        (vabavq_s16): Likewise.
        (vabavq_s32): Likewise.
        (vbicq_m_n_s16): Likewise.
        (vbicq_m_n_s32): Likewise.
        (vbicq_m_n_u16): Likewise.
        (vbicq_m_n_u32): Likewise.
        (vcmpeqq_m_f16): Likewise.
        (vcmpeqq_m_f32): Likewise.
        (vcvtaq_m_s16_f16): Likewise.
        (vcvtaq_m_u16_f16): Likewise.
        (vcvtaq_m_s32_f32): Likewise.
        (vcvtaq_m_u32_f32): Likewise.
        (vcvtq_m_f16_s16): Likewise.
        (vcvtq_m_f16_u16): Likewise.
        (vcvtq_m_f32_s32): Likewise.
        (vcvtq_m_f32_u32): Likewise.
        (vqrshrnbq_n_s16): Likewise.
        (vqrshrnbq_n_u16): Likewise.
        (vqrshrnbq_n_s32): Likewise.
        (vqrshrnbq_n_u32): Likewise.
        (vqrshrunbq_n_s16): Likewise.
        (vqrshrunbq_n_s32): Likewise.
        (vrmlaldavhaq_s32): Likewise.
        (vrmlaldavhaq_u32): Likewise.
        (vshlcq_s8): Likewise.
        (vshlcq_u8): Likewise.
        (vshlcq_s16): Likewise.
        (vshlcq_u16): Likewise.
        (vshlcq_s32): Likewise.
        (vshlcq_u32): Likewise.
        (vabavq_u8): Likewise.
        (vabavq_u16): Likewise.
        (vabavq_u32): Likewise.
        (__arm_vabavq_s8): Define intrinsic.
        (__arm_vabavq_s16): Likewise.
        (__arm_vabavq_s32): Likewise.
        (__arm_vabavq_u8): Likewise.
        (__arm_vabavq_u16): Likewise.
        (__arm_vabavq_u32): Likewise.
        (__arm_vbicq_m_n_s16): Likewise.
        (__arm_vbicq_m_n_s32): Likewise.
        (__arm_vbicq_m_n_u16): Likewise.
        (__arm_vbicq_m_n_u32): Likewise.
        (__arm_vqrshrnbq_n_s16): Likewise.
        (__arm_vqrshrnbq_n_u16): Likewise.
        (__arm_vqrshrnbq_n_s32): Likewise.
        (__arm_vqrshrnbq_n_u32): Likewise.
        (__arm_vqrshrunbq_n_s16): Likewise.
        (__arm_vqrshrunbq_n_s32): Likewise.
        (__arm_vrmlaldavhaq_s32): Likewise.
        (__arm_vrmlaldavhaq_u32): Likewise.
        (__arm_vshlcq_s8): Likewise.
        (__arm_vshlcq_u8): Likewise.
        (__arm_vshlcq_s16): Likewise.
        (__arm_vshlcq_u16): Likewise.
        (__arm_vshlcq_s32): Likewise.
        (__arm_vshlcq_u32): Likewise.
        (__arm_vcmpeqq_m_f16): Likewise.
        (__arm_vcmpeqq_m_f32): Likewise.
        (__arm_vcvtaq_m_s16_f16): Likewise.
        (__arm_vcvtaq_m_u16_f16): Likewise.
        (__arm_vcvtaq_m_s32_f32): Likewise.
        (__arm_vcvtaq_m_u32_f32): Likewise.
        (__arm_vcvtq_m_f16_s16): Likewise.
        (__arm_vcvtq_m_f16_u16): Likewise.
        (__arm_vcvtq_m_f32_s32): Likewise.
        (__arm_vcvtq_m_f32_u32): Likewise.
        (vcvtaq_m): Define polymorphic variant.
        (vcvtq_m): Likewise.
        (vabavq): Likewise.
        (vshlcq): Likewise.
        (vbicq_m_n): Likewise.
        (vqrshrnbq_n): Likewise.
        (vqrshrunbq_n): Likewise.
        * config/arm/arm_mve_builtins.def
        (TERNOP_UNONE_UNONE_UNONE_IMM_QUALIFIERS): Use the builtin qualifer.
        (TERNOP_UNONE_UNONE_NONE_NONE_QUALIFIERS): Likewise.
        (TERNOP_UNONE_NONE_UNONE_IMM_QUALIFIERS): Likewise.
        (TERNOP_NONE_NONE_UNONE_IMM_QUALIFIERS): Likewise.
        (TERNOP_UNONE_UNONE_NONE_IMM_QUALIFIERS): Likewise.
        (TERNOP_UNONE_UNONE_NONE_UNONE_QUALIFIERS): Likewise.
        (TERNOP_UNONE_UNONE_IMM_UNONE_QUALIFIERS): Likewise.
        (TERNOP_UNONE_NONE_NONE_UNONE_QUALIFIERS): Likewise.
        (TERNOP_NONE_NONE_NONE_IMM_QUALIFIERS): Likewise.
        (TERNOP_NONE_NONE_NONE_UNONE_QUALIFIERS): Likewise.
        (TERNOP_NONE_NONE_IMM_UNONE_QUALIFIERS): Likewise.
        (TERNOP_NONE_NONE_UNONE_UNONE_QUALIFIERS): Likewise.
        (TERNOP_UNONE_UNONE_UNONE_UNONE_QUALIFIERS): Likewise.
        (TERNOP_NONE_NONE_NONE_NONE_QUALIFIERS): Likewise.
        * config/arm/mve.md (VBICQ_M_N): Define iterator.
        (VCVTAQ_M): Likewise.
        (VCVTQ_M_TO_F): Likewise.
        (VQRSHRNBQ_N): Likewise.
        (VABAVQ): Likewise.
        (VSHLCQ): Likewise.
        (VRMLALDAVHAQ): Likewise.
        (mve_vbicq_m_n_<supf><mode>): Define RTL pattern.
        (mve_vcmpeqq_m_f<mode>): Likewise.
        (mve_vcvtaq_m_<supf><mode>): Likewise.
        (mve_vcvtq_m_to_f_<supf><mode>): Likewise.
        (mve_vqrshrnbq_n_<supf><mode>): Likewise.
        (mve_vqrshrunbq_n_s<mode>): Likewise.
        (mve_vrmlaldavhaq_<supf>v4si): Likewise.
        (mve_vabavq_<supf><mode>): Likewise.
        (mve_vshlcq_<supf><mode>): Likewise.
        (mve_vshlcq_<supf><mode>): Likewise.
        (mve_vshlcq_vec_<supf><mode>): Define RTL expand.
        (mve_vshlcq_carry_<supf><mode>): Likewise.

2020-03-17  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm_mve.h (vqmovntq_u16): Define macro.
        (vqmovnbq_u16): Likewise.
        (vmulltq_poly_p8): Likewise.
        (vmullbq_poly_p8): Likewise.
        (vmovntq_u16): Likewise.
        (vmovnbq_u16): Likewise.
        (vmlaldavxq_u16): Likewise.
        (vmlaldavq_u16): Likewise.
        (vqmovuntq_s16): Likewise.
        (vqmovunbq_s16): Likewise.
        (vshlltq_n_u8): Likewise.
        (vshllbq_n_u8): Likewise.
        (vorrq_n_u16): Likewise.
        (vbicq_n_u16): Likewise.
        (vcmpneq_n_f16): Likewise.
        (vcmpneq_f16): Likewise.
        (vcmpltq_n_f16): Likewise.
        (vcmpltq_f16): Likewise.
        (vcmpleq_n_f16): Likewise.
        (vcmpleq_f16): Likewise.
        (vcmpgtq_n_f16): Likewise.
        (vcmpgtq_f16): Likewise.
        (vcmpgeq_n_f16): Likewise.
        (vcmpgeq_f16): Likewise.
        (vcmpeqq_n_f16): Likewise.
        (vcmpeqq_f16): Likewise.
        (vsubq_f16): Likewise.
        (vqmovntq_s16): Likewise.
        (vqmovnbq_s16): Likewise.
        (vqdmulltq_s16): Likewise.
        (vqdmulltq_n_s16): Likewise.
        (vqdmullbq_s16): Likewise.
        (vqdmullbq_n_s16): Likewise.
        (vorrq_f16): Likewise.
        (vornq_f16): Likewise.
        (vmulq_n_f16): Likewise.
        (vmulq_f16): Likewise.
        (vmovntq_s16): Likewise.
        (vmovnbq_s16): Likewise.
        (vmlsldavxq_s16): Likewise.
        (vmlsldavq_s16): Likewise.
        (vmlaldavxq_s16): Likewise.
        (vmlaldavq_s16): Likewise.
        (vminnmvq_f16): Likewise.
        (vminnmq_f16): Likewise.
        (vminnmavq_f16): Likewise.
        (vminnmaq_f16): Likewise.
        (vmaxnmvq_f16): Likewise.
        (vmaxnmq_f16): Likewise.
        (vmaxnmavq_f16): Likewise.
        (vmaxnmaq_f16): Likewise.
        (veorq_f16): Likewise.
        (vcmulq_rot90_f16): Likewise.
        (vcmulq_rot270_f16): Likewise.
        (vcmulq_rot180_f16): Likewise.
        (vcmulq_f16): Likewise.
        (vcaddq_rot90_f16): Likewise.
        (vcaddq_rot270_f16): Likewise.
        (vbicq_f16): Likewise.
        (vandq_f16): Likewise.
        (vaddq_n_f16): Likewise.
        (vabdq_f16): Likewise.
        (vshlltq_n_s8): Likewise.
        (vshllbq_n_s8): Likewise.
        (vorrq_n_s16): Likewise.
        (vbicq_n_s16): Likewise.
        (vqmovntq_u32): Likewise.
        (vqmovnbq_u32): Likewise.
        (vmulltq_poly_p16): Likewise.
        (vmullbq_poly_p16): Likewise.
        (vmovntq_u32): Likewise.
        (vmovnbq_u32): Likewise.
        (vmlaldavxq_u32): Likewise.
        (vmlaldavq_u32): Likewise.
        (vqmovuntq_s32): Likewise.
        (vqmovunbq_s32): Likewise.
        (vshlltq_n_u16): Likewise.
        (vshllbq_n_u16): Likewise.
        (vorrq_n_u32): Likewise.
        (vbicq_n_u32): Likewise.
        (vcmpneq_n_f32): Likewise.
        (vcmpneq_f32): Likewise.
        (vcmpltq_n_f32): Likewise.
        (vcmpltq_f32): Likewise.
        (vcmpleq_n_f32): Likewise.
        (vcmpleq_f32): Likewise.
        (vcmpgtq_n_f32): Likewise.
        (vcmpgtq_f32): Likewise.
        (vcmpgeq_n_f32): Likewise.
        (vcmpgeq_f32): Likewise.
        (vcmpeqq_n_f32): Likewise.
        (vcmpeqq_f32): Likewise.
        (vsubq_f32): Likewise.
        (vqmovntq_s32): Likewise.
        (vqmovnbq_s32): Likewise.
        (vqdmulltq_s32): Likewise.
        (vqdmulltq_n_s32): Likewise.
        (vqdmullbq_s32): Likewise.
        (vqdmullbq_n_s32): Likewise.
        (vorrq_f32): Likewise.
        (vornq_f32): Likewise.
        (vmulq_n_f32): Likewise.
        (vmulq_f32): Likewise.
        (vmovntq_s32): Likewise.
        (vmovnbq_s32): Likewise.
        (vmlsldavxq_s32): Likewise.
        (vmlsldavq_s32): Likewise.
        (vmlaldavxq_s32): Likewise.
        (vmlaldavq_s32): Likewise.
        (vminnmvq_f32): Likewise.
        (vminnmq_f32): Likewise.
        (vminnmavq_f32): Likewise.
        (vminnmaq_f32): Likewise.
        (vmaxnmvq_f32): Likewise.
        (vmaxnmq_f32): Likewise.
        (vmaxnmavq_f32): Likewise.
        (vmaxnmaq_f32): Likewise.
        (veorq_f32): Likewise.
        (vcmulq_rot90_f32): Likewise.
        (vcmulq_rot270_f32): Likewise.
        (vcmulq_rot180_f32): Likewise.
        (vcmulq_f32): Likewise.
        (vcaddq_rot90_f32): Likewise.
        (vcaddq_rot270_f32): Likewise.
        (vbicq_f32): Likewise.
        (vandq_f32): Likewise.
        (vaddq_n_f32): Likewise.
        (vabdq_f32): Likewise.
        (vshlltq_n_s16): Likewise.
        (vshllbq_n_s16): Likewise.
        (vorrq_n_s32): Likewise.
        (vbicq_n_s32): Likewise.
        (vrmlaldavhq_u32): Likewise.
        (vctp8q_m): Likewise.
        (vctp64q_m): Likewise.
        (vctp32q_m): Likewise.
        (vctp16q_m): Likewise.
        (vaddlvaq_u32): Likewise.
        (vrmlsldavhxq_s32): Likewise.
        (vrmlsldavhq_s32): Likewise.
        (vrmlaldavhxq_s32): Likewise.
        (vrmlaldavhq_s32): Likewise.
        (vcvttq_f16_f32): Likewise.
        (vcvtbq_f16_f32): Likewise.
        (vaddlvaq_s32): Likewise.
        (__arm_vqmovntq_u16): Define intrinsic.
        (__arm_vqmovnbq_u16): Likewise.
        (__arm_vmulltq_poly_p8): Likewise.
        (__arm_vmullbq_poly_p8): Likewise.
        (__arm_vmovntq_u16): Likewise.
        (__arm_vmovnbq_u16): Likewise.
        (__arm_vmlaldavxq_u16): Likewise.
        (__arm_vmlaldavq_u16): Likewise.
        (__arm_vqmovuntq_s16): Likewise.
        (__arm_vqmovunbq_s16): Likewise.
        (__arm_vshlltq_n_u8): Likewise.
        (__arm_vshllbq_n_u8): Likewise.
        (__arm_vorrq_n_u16): Likewise.
        (__arm_vbicq_n_u16): Likewise.
        (__arm_vcmpneq_n_f16): Likewise.
        (__arm_vcmpneq_f16): Likewise.
        (__arm_vcmpltq_n_f16): Likewise.
        (__arm_vcmpltq_f16): Likewise.
        (__arm_vcmpleq_n_f16): Likewise.
        (__arm_vcmpleq_f16): Likewise.
        (__arm_vcmpgtq_n_f16): Likewise.
        (__arm_vcmpgtq_f16): Likewise.
        (__arm_vcmpgeq_n_f16): Likewise.
        (__arm_vcmpgeq_f16): Likewise.
        (__arm_vcmpeqq_n_f16): Likewise.
        (__arm_vcmpeqq_f16): Likewise.
        (__arm_vsubq_f16): Likewise.
        (__arm_vqmovntq_s16): Likewise.
        (__arm_vqmovnbq_s16): Likewise.
        (__arm_vqdmulltq_s16): Likewise.
        (__arm_vqdmulltq_n_s16): Likewise.
        (__arm_vqdmullbq_s16): Likewise.
        (__arm_vqdmullbq_n_s16): Likewise.
        (__arm_vorrq_f16): Likewise.
        (__arm_vornq_f16): Likewise.
        (__arm_vmulq_n_f16): Likewise.
        (__arm_vmulq_f16): Likewise.
        (__arm_vmovntq_s16): Likewise.
        (__arm_vmovnbq_s16): Likewise.
        (__arm_vmlsldavxq_s16): Likewise.
        (__arm_vmlsldavq_s16): Likewise.
        (__arm_vmlaldavxq_s16): Likewise.
        (__arm_vmlaldavq_s16): Likewise.
        (__arm_vminnmvq_f16): Likewise.
        (__arm_vminnmq_f16): Likewise.
        (__arm_vminnmavq_f16): Likewise.
        (__arm_vminnmaq_f16): Likewise.
        (__arm_vmaxnmvq_f16): Likewise.
        (__arm_vmaxnmq_f16): Likewise.
        (__arm_vmaxnmavq_f16): Likewise.
        (__arm_vmaxnmaq_f16): Likewise.
        (__arm_veorq_f16): Likewise.
        (__arm_vcmulq_rot90_f16): Likewise.
        (__arm_vcmulq_rot270_f16): Likewise.
        (__arm_vcmulq_rot180_f16): Likewise.
        (__arm_vcmulq_f16): Likewise.
        (__arm_vcaddq_rot90_f16): Likewise.
        (__arm_vcaddq_rot270_f16): Likewise.
        (__arm_vbicq_f16): Likewise.
        (__arm_vandq_f16): Likewise.
        (__arm_vaddq_n_f16): Likewise.
        (__arm_vabdq_f16): Likewise.
        (__arm_vshlltq_n_s8): Likewise.
        (__arm_vshllbq_n_s8): Likewise.
        (__arm_vorrq_n_s16): Likewise.
        (__arm_vbicq_n_s16): Likewise.
        (__arm_vqmovntq_u32): Likewise.
        (__arm_vqmovnbq_u32): Likewise.
        (__arm_vmulltq_poly_p16): Likewise.
        (__arm_vmullbq_poly_p16): Likewise.
        (__arm_vmovntq_u32): Likewise.
        (__arm_vmovnbq_u32): Likewise.
        (__arm_vmlaldavxq_u32): Likewise.
        (__arm_vmlaldavq_u32): Likewise.
        (__arm_vqmovuntq_s32): Likewise.
        (__arm_vqmovunbq_s32): Likewise.
        (__arm_vshlltq_n_u16): Likewise.
        (__arm_vshllbq_n_u16): Likewise.
        (__arm_vorrq_n_u32): Likewise.
        (__arm_vbicq_n_u32): Likewise.
        (__arm_vcmpneq_n_f32): Likewise.
        (__arm_vcmpneq_f32): Likewise.
        (__arm_vcmpltq_n_f32): Likewise.
        (__arm_vcmpltq_f32): Likewise.
        (__arm_vcmpleq_n_f32): Likewise.
        (__arm_vcmpleq_f32): Likewise.
        (__arm_vcmpgtq_n_f32): Likewise.
        (__arm_vcmpgtq_f32): Likewise.
        (__arm_vcmpgeq_n_f32): Likewise.
        (__arm_vcmpgeq_f32): Likewise.
        (__arm_vcmpeqq_n_f32): Likewise.
        (__arm_vcmpeqq_f32): Likewise.
        (__arm_vsubq_f32): Likewise.
        (__arm_vqmovntq_s32): Likewise.
        (__arm_vqmovnbq_s32): Likewise.
        (__arm_vqdmulltq_s32): Likewise.
        (__arm_vqdmulltq_n_s32): Likewise.
        (__arm_vqdmullbq_s32): Likewise.
        (__arm_vqdmullbq_n_s32): Likewise.
        (__arm_vorrq_f32): Likewise.
        (__arm_vornq_f32): Likewise.
        (__arm_vmulq_n_f32): Likewise.
        (__arm_vmulq_f32): Likewise.
        (__arm_vmovntq_s32): Likewise.
        (__arm_vmovnbq_s32): Likewise.
        (__arm_vmlsldavxq_s32): Likewise.
        (__arm_vmlsldavq_s32): Likewise.
        (__arm_vmlaldavxq_s32): Likewise.
        (__arm_vmlaldavq_s32): Likewise.
        (__arm_vminnmvq_f32): Likewise.
        (__arm_vminnmq_f32): Likewise.
        (__arm_vminnmavq_f32): Likewise.
        (__arm_vminnmaq_f32): Likewise.
        (__arm_vmaxnmvq_f32): Likewise.
        (__arm_vmaxnmq_f32): Likewise.
        (__arm_vmaxnmavq_f32): Likewise.
        (__arm_vmaxnmaq_f32): Likewise.
        (__arm_veorq_f32): Likewise.
        (__arm_vcmulq_rot90_f32): Likewise.
        (__arm_vcmulq_rot270_f32): Likewise.
        (__arm_vcmulq_rot180_f32): Likewise.
        (__arm_vcmulq_f32): Likewise.
        (__arm_vcaddq_rot90_f32): Likewise.
        (__arm_vcaddq_rot270_f32): Likewise.
        (__arm_vbicq_f32): Likewise.
        (__arm_vandq_f32): Likewise.
        (__arm_vaddq_n_f32): Likewise.
        (__arm_vabdq_f32): Likewise.
        (__arm_vshlltq_n_s16): Likewise.
        (__arm_vshllbq_n_s16): Likewise.
        (__arm_vorrq_n_s32): Likewise.
        (__arm_vbicq_n_s32): Likewise.
        (__arm_vrmlaldavhq_u32): Likewise.
        (__arm_vctp8q_m): Likewise.
        (__arm_vctp64q_m): Likewise.
        (__arm_vctp32q_m): Likewise.
        (__arm_vctp16q_m): Likewise.
        (__arm_vaddlvaq_u32): Likewise.
        (__arm_vrmlsldavhxq_s32): Likewise.
        (__arm_vrmlsldavhq_s32): Likewise.
        (__arm_vrmlaldavhxq_s32): Likewise.
        (__arm_vrmlaldavhq_s32): Likewise.
        (__arm_vcvttq_f16_f32): Likewise.
        (__arm_vcvtbq_f16_f32): Likewise.
        (__arm_vaddlvaq_s32): Likewise.
        (vst4q): Define polymorphic variant.
        (vrndxq): Likewise.
        (vrndq): Likewise.
        (vrndpq): Likewise.
        (vrndnq): Likewise.
        (vrndmq): Likewise.
        (vrndaq): Likewise.
        (vrev64q): Likewise.
        (vnegq): Likewise.
        (vdupq_n): Likewise.
        (vabsq): Likewise.
        (vrev32q): Likewise.
        (vcvtbq_f32): Likewise.
        (vcvttq_f32): Likewise.
        (vcvtq): Likewise.
        (vsubq_n): Likewise.
        (vbrsrq_n): Likewise.
        (vcvtq_n): Likewise.
        (vsubq): Likewise.
        (vorrq): Likewise.
        (vabdq): Likewise.
        (vaddq_n): Likewise.
        (vandq): Likewise.
        (vbicq): Likewise.
        (vornq): Likewise.
        (vmulq_n): Likewise.
        (vmulq): Likewise.
        (vcaddq_rot270): Likewise.
        (vcmpeqq_n): Likewise.
        (vcmpeqq): Likewise.
        (vcaddq_rot90): Likewise.
        (vcmpgeq_n): Likewise.
        (vcmpgeq): Likewise.
        (vcmpgtq_n): Likewise.
        (vcmpgtq): Likewise.
        (vcmpgtq): Likewise.
        (vcmpleq_n): Likewise.
        (vcmpleq_n): Likewise.
        (vcmpleq): Likewise.
        (vcmpleq): Likewise.
        (vcmpltq_n): Likewise.
        (vcmpltq_n): Likewise.
        (vcmpltq): Likewise.
        (vcmpltq): Likewise.
        (vcmpneq_n): Likewise.
        (vcmpneq_n): Likewise.
        (vcmpneq): Likewise.
        (vcmpneq): Likewise.
        (vcmulq): Likewise.
        (vcmulq): Likewise.
        (vcmulq_rot180): Likewise.
        (vcmulq_rot180): Likewise.
        (vcmulq_rot270): Likewise.
        (vcmulq_rot270): Likewise.
        (vcmulq_rot90): Likewise.
        (vcmulq_rot90): Likewise.
        (veorq): Likewise.
        (veorq): Likewise.
        (vmaxnmaq): Likewise.
        (vmaxnmaq): Likewise.
        (vmaxnmavq): Likewise.
        (vmaxnmavq): Likewise.
        (vmaxnmq): Likewise.
        (vmaxnmq): Likewise.
        (vmaxnmvq): Likewise.
        (vmaxnmvq): Likewise.
        (vminnmaq): Likewise.
        (vminnmaq): Likewise.
        (vminnmavq): Likewise.
        (vminnmavq): Likewise.
        (vminnmq): Likewise.
        (vminnmq): Likewise.
        (vminnmvq): Likewise.
        (vminnmvq): Likewise.
        (vbicq_n): Likewise.
        (vqmovntq): Likewise.
        (vqmovntq): Likewise.
        (vqmovnbq): Likewise.
        (vqmovnbq): Likewise.
        (vmulltq_poly): Likewise.
        (vmulltq_poly): Likewise.
        (vmullbq_poly): Likewise.
        (vmullbq_poly): Likewise.
        (vmovntq): Likewise.
        (vmovntq): Likewise.
        (vmovnbq): Likewise.
        (vmovnbq): Likewise.
        (vmlaldavxq): Likewise.
        (vmlaldavxq): Likewise.
        (vqmovuntq): Likewise.
        (vqmovuntq): Likewise.
        (vshlltq_n): Likewise.
        (vshlltq_n): Likewise.
        (vshllbq_n): Likewise.
        (vshllbq_n): Likewise.
        (vorrq_n): Likewise.
        (vorrq_n): Likewise.
        (vmlaldavq): Likewise.
        (vmlaldavq): Likewise.
        (vqmovunbq): Likewise.
        (vqmovunbq): Likewise.
        (vqdmulltq_n): Likewise.
        (vqdmulltq_n): Likewise.
        (vqdmulltq): Likewise.
        (vqdmulltq): Likewise.
        (vqdmullbq_n): Likewise.
        (vqdmullbq_n): Likewise.
        (vqdmullbq): Likewise.
        (vqdmullbq): Likewise.
        (vaddlvaq): Likewise.
        (vaddlvaq): Likewise.
        (vrmlaldavhq): Likewise.
        (vrmlaldavhq): Likewise.
        (vrmlaldavhxq): Likewise.
        (vrmlaldavhxq): Likewise.
        (vrmlsldavhq): Likewise.
        (vrmlsldavhq): Likewise.
        (vrmlsldavhxq): Likewise.
        (vrmlsldavhxq): Likewise.
        (vmlsldavxq): Likewise.
        (vmlsldavxq): Likewise.
        (vmlsldavq): Likewise.
        (vmlsldavq): Likewise.
        * config/arm/arm_mve_builtins.def (BINOP_NONE_NONE_IMM): Use it.
        (BINOP_NONE_NONE_NONE): Likewise.
        (BINOP_UNONE_NONE_NONE): Likewise.
        (BINOP_UNONE_UNONE_IMM): Likewise.
        (BINOP_UNONE_UNONE_NONE): Likewise.
        (BINOP_UNONE_UNONE_UNONE): Likewise.
        * config/arm/mve.md (mve_vabdq_f<mode>): Define RTL pattern.
        (mve_vaddlvaq_<supf>v4si): Likewise.
        (mve_vaddq_n_f<mode>): Likewise.
        (mve_vandq_f<mode>): Likewise.
        (mve_vbicq_f<mode>): Likewise.
        (mve_vbicq_n_<supf><mode>): Likewise.
        (mve_vcaddq_rot270_f<mode>): Likewise.
        (mve_vcaddq_rot90_f<mode>): Likewise.
        (mve_vcmpeqq_f<mode>): Likewise.
        (mve_vcmpeqq_n_f<mode>): Likewise.
        (mve_vcmpgeq_f<mode>): Likewise.
        (mve_vcmpgeq_n_f<mode>): Likewise.
        (mve_vcmpgtq_f<mode>): Likewise.
        (mve_vcmpgtq_n_f<mode>): Likewise.
        (mve_vcmpleq_f<mode>): Likewise.
        (mve_vcmpleq_n_f<mode>): Likewise.
        (mve_vcmpltq_f<mode>): Likewise.
        (mve_vcmpltq_n_f<mode>): Likewise.
        (mve_vcmpneq_f<mode>): Likewise.
        (mve_vcmpneq_n_f<mode>): Likewise.
        (mve_vcmulq_f<mode>): Likewise.
        (mve_vcmulq_rot180_f<mode>): Likewise.
        (mve_vcmulq_rot270_f<mode>): Likewise.
        (mve_vcmulq_rot90_f<mode>): Likewise.
        (mve_vctp<mode1>q_mhi): Likewise.
        (mve_vcvtbq_f16_f32v8hf): Likewise.
        (mve_vcvttq_f16_f32v8hf): Likewise.
        (mve_veorq_f<mode>): Likewise.
        (mve_vmaxnmaq_f<mode>): Likewise.
        (mve_vmaxnmavq_f<mode>): Likewise.
        (mve_vmaxnmq_f<mode>): Likewise.
        (mve_vmaxnmvq_f<mode>): Likewise.
        (mve_vminnmaq_f<mode>): Likewise.
        (mve_vminnmavq_f<mode>): Likewise.
        (mve_vminnmq_f<mode>): Likewise.
        (mve_vminnmvq_f<mode>): Likewise.
        (mve_vmlaldavq_<supf><mode>): Likewise.
        (mve_vmlaldavxq_<supf><mode>): Likewise.
        (mve_vmlsldavq_s<mode>): Likewise.
        (mve_vmlsldavxq_s<mode>): Likewise.
        (mve_vmovnbq_<supf><mode>): Likewise.
        (mve_vmovntq_<supf><mode>): Likewise.
        (mve_vmulq_f<mode>): Likewise.
        (mve_vmulq_n_f<mode>): Likewise.
        (mve_vornq_f<mode>): Likewise.
        (mve_vorrq_f<mode>): Likewise.
        (mve_vorrq_n_<supf><mode>): Likewise.
        (mve_vqdmullbq_n_s<mode>): Likewise.
        (mve_vqdmullbq_s<mode>): Likewise.
        (mve_vqdmulltq_n_s<mode>): Likewise.
        (mve_vqdmulltq_s<mode>): Likewise.
        (mve_vqmovnbq_<supf><mode>): Likewise.
        (mve_vqmovntq_<supf><mode>): Likewise.
        (mve_vqmovunbq_s<mode>): Likewise.
        (mve_vqmovuntq_s<mode>): Likewise.
        (mve_vrmlaldavhxq_sv4si): Likewise.
        (mve_vrmlsldavhq_sv4si): Likewise.
        (mve_vrmlsldavhxq_sv4si): Likewise.
        (mve_vshllbq_n_<supf><mode>): Likewise.
        (mve_vshlltq_n_<supf><mode>): Likewise.
        (mve_vsubq_f<mode>): Likewise.
        (mve_vmulltq_poly_p<mode>): Likewise.
        (mve_vmullbq_poly_p<mode>): Likewise.
        (mve_vrmlaldavhq_<supf>v4si): Likewise.

2020-03-17  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm_mve.h (vsubq_u8): Define macro.
        (vsubq_n_u8): Likewise.
        (vrmulhq_u8): Likewise.
        (vrhaddq_u8): Likewise.
        (vqsubq_u8): Likewise.
        (vqsubq_n_u8): Likewise.
        (vqaddq_u8): Likewise.
        (vqaddq_n_u8): Likewise.
        (vorrq_u8): Likewise.
        (vornq_u8): Likewise.
        (vmulq_u8): Likewise.
        (vmulq_n_u8): Likewise.
        (vmulltq_int_u8): Likewise.
        (vmullbq_int_u8): Likewise.
        (vmulhq_u8): Likewise.
        (vmladavq_u8): Likewise.
        (vminvq_u8): Likewise.
        (vminq_u8): Likewise.
        (vmaxvq_u8): Likewise.
        (vmaxq_u8): Likewise.
        (vhsubq_u8): Likewise.
        (vhsubq_n_u8): Likewise.
        (vhaddq_u8): Likewise.
        (vhaddq_n_u8): Likewise.
        (veorq_u8): Likewise.
        (vcmpneq_n_u8): Likewise.
        (vcmphiq_u8): Likewise.
        (vcmphiq_n_u8): Likewise.
        (vcmpeqq_u8): Likewise.
        (vcmpeqq_n_u8): Likewise.
        (vcmpcsq_u8): Likewise.
        (vcmpcsq_n_u8): Likewise.
        (vcaddq_rot90_u8): Likewise.
        (vcaddq_rot270_u8): Likewise.
        (vbicq_u8): Likewise.
        (vandq_u8): Likewise.
        (vaddvq_p_u8): Likewise.
        (vaddvaq_u8): Likewise.
        (vaddq_n_u8): Likewise.
        (vabdq_u8): Likewise.
        (vshlq_r_u8): Likewise.
        (vrshlq_u8): Likewise.
        (vrshlq_n_u8): Likewise.
        (vqshlq_u8): Likewise.
        (vqshlq_r_u8): Likewise.
        (vqrshlq_u8): Likewise.
        (vqrshlq_n_u8): Likewise.
        (vminavq_s8): Likewise.
        (vminaq_s8): Likewise.
        (vmaxavq_s8): Likewise.
        (vmaxaq_s8): Likewise.
        (vbrsrq_n_u8): Likewise.
        (vshlq_n_u8): Likewise.
        (vrshrq_n_u8): Likewise.
        (vqshlq_n_u8): Likewise.
        (vcmpneq_n_s8): Likewise.
        (vcmpltq_s8): Likewise.
        (vcmpltq_n_s8): Likewise.
        (vcmpleq_s8): Likewise.
        (vcmpleq_n_s8): Likewise.
        (vcmpgtq_s8): Likewise.
        (vcmpgtq_n_s8): Likewise.
        (vcmpgeq_s8): Likewise.
        (vcmpgeq_n_s8): Likewise.
        (vcmpeqq_s8): Likewise.
        (vcmpeqq_n_s8): Likewise.
        (vqshluq_n_s8): Likewise.
        (vaddvq_p_s8): Likewise.
        (vsubq_s8): Likewise.
        (vsubq_n_s8): Likewise.
        (vshlq_r_s8): Likewise.
        (vrshlq_s8): Likewise.
        (vrshlq_n_s8): Likewise.
        (vrmulhq_s8): Likewise.
        (vrhaddq_s8): Likewise.
        (vqsubq_s8): Likewise.
        (vqsubq_n_s8): Likewise.
        (vqshlq_s8): Likewise.
        (vqshlq_r_s8): Likewise.
        (vqrshlq_s8): Likewise.
        (vqrshlq_n_s8): Likewise.
        (vqrdmulhq_s8): Likewise.
        (vqrdmulhq_n_s8): Likewise.
        (vqdmulhq_s8): Likewise.
        (vqdmulhq_n_s8): Likewise.
        (vqaddq_s8): Likewise.
        (vqaddq_n_s8): Likewise.
        (vorrq_s8): Likewise.
        (vornq_s8): Likewise.
        (vmulq_s8): Likewise.
        (vmulq_n_s8): Likewise.
        (vmulltq_int_s8): Likewise.
        (vmullbq_int_s8): Likewise.
        (vmulhq_s8): Likewise.
        (vmlsdavxq_s8): Likewise.
        (vmlsdavq_s8): Likewise.
        (vmladavxq_s8): Likewise.
        (vmladavq_s8): Likewise.
        (vminvq_s8): Likewise.
        (vminq_s8): Likewise.
        (vmaxvq_s8): Likewise.
        (vmaxq_s8): Likewise.
        (vhsubq_s8): Likewise.
        (vhsubq_n_s8): Likewise.
        (vhcaddq_rot90_s8): Likewise.
        (vhcaddq_rot270_s8): Likewise.
        (vhaddq_s8): Likewise.
        (vhaddq_n_s8): Likewise.
        (veorq_s8): Likewise.
        (vcaddq_rot90_s8): Likewise.
        (vcaddq_rot270_s8): Likewise.
        (vbrsrq_n_s8): Likewise.
        (vbicq_s8): Likewise.
        (vandq_s8): Likewise.
        (vaddvaq_s8): Likewise.
        (vaddq_n_s8): Likewise.
        (vabdq_s8): Likewise.
        (vshlq_n_s8): Likewise.
        (vrshrq_n_s8): Likewise.
        (vqshlq_n_s8): Likewise.
        (vsubq_u16): Likewise.
        (vsubq_n_u16): Likewise.
        (vrmulhq_u16): Likewise.
        (vrhaddq_u16): Likewise.
        (vqsubq_u16): Likewise.
        (vqsubq_n_u16): Likewise.
        (vqaddq_u16): Likewise.
        (vqaddq_n_u16): Likewise.
        (vorrq_u16): Likewise.
        (vornq_u16): Likewise.
        (vmulq_u16): Likewise.
        (vmulq_n_u16): Likewise.
        (vmulltq_int_u16): Likewise.
        (vmullbq_int_u16): Likewise.
        (vmulhq_u16): Likewise.
        (vmladavq_u16): Likewise.
        (vminvq_u16): Likewise.
        (vminq_u16): Likewise.
        (vmaxvq_u16): Likewise.
        (vmaxq_u16): Likewise.
        (vhsubq_u16): Likewise.
        (vhsubq_n_u16): Likewise.
        (vhaddq_u16): Likewise.
        (vhaddq_n_u16): Likewise.
        (veorq_u16): Likewise.
        (vcmpneq_n_u16): Likewise.
        (vcmphiq_u16): Likewise.
        (vcmphiq_n_u16): Likewise.
        (vcmpeqq_u16): Likewise.
        (vcmpeqq_n_u16): Likewise.
        (vcmpcsq_u16): Likewise.
        (vcmpcsq_n_u16): Likewise.
        (vcaddq_rot90_u16): Likewise.
        (vcaddq_rot270_u16): Likewise.
        (vbicq_u16): Likewise.
        (vandq_u16): Likewise.
        (vaddvq_p_u16): Likewise.
        (vaddvaq_u16): Likewise.
        (vaddq_n_u16): Likewise.
        (vabdq_u16): Likewise.
        (vshlq_r_u16): Likewise.
        (vrshlq_u16): Likewise.
        (vrshlq_n_u16): Likewise.
        (vqshlq_u16): Likewise.
        (vqshlq_r_u16): Likewise.
        (vqrshlq_u16): Likewise.
        (vqrshlq_n_u16): Likewise.
        (vminavq_s16): Likewise.
        (vminaq_s16): Likewise.
        (vmaxavq_s16): Likewise.
        (vmaxaq_s16): Likewise.
        (vbrsrq_n_u16): Likewise.
        (vshlq_n_u16): Likewise.
        (vrshrq_n_u16): Likewise.
        (vqshlq_n_u16): Likewise.
        (vcmpneq_n_s16): Likewise.
        (vcmpltq_s16): Likewise.
        (vcmpltq_n_s16): Likewise.
        (vcmpleq_s16): Likewise.
        (vcmpleq_n_s16): Likewise.
        (vcmpgtq_s16): Likewise.
        (vcmpgtq_n_s16): Likewise.
        (vcmpgeq_s16): Likewise.
        (vcmpgeq_n_s16): Likewise.
        (vcmpeqq_s16): Likewise.
        (vcmpeqq_n_s16): Likewise.
        (vqshluq_n_s16): Likewise.
        (vaddvq_p_s16): Likewise.
        (vsubq_s16): Likewise.
        (vsubq_n_s16): Likewise.
        (vshlq_r_s16): Likewise.
        (vrshlq_s16): Likewise.
        (vrshlq_n_s16): Likewise.
        (vrmulhq_s16): Likewise.
        (vrhaddq_s16): Likewise.
        (vqsubq_s16): Likewise.
        (vqsubq_n_s16): Likewise.
        (vqshlq_s16): Likewise.
        (vqshlq_r_s16): Likewise.
        (vqrshlq_s16): Likewise.
        (vqrshlq_n_s16): Likewise.
        (vqrdmulhq_s16): Likewise.
        (vqrdmulhq_n_s16): Likewise.
        (vqdmulhq_s16): Likewise.
        (vqdmulhq_n_s16): Likewise.
        (vqaddq_s16): Likewise.
        (vqaddq_n_s16): Likewise.
        (vorrq_s16): Likewise.
        (vornq_s16): Likewise.
        (vmulq_s16): Likewise.
        (vmulq_n_s16): Likewise.
        (vmulltq_int_s16): Likewise.
        (vmullbq_int_s16): Likewise.
        (vmulhq_s16): Likewise.
        (vmlsdavxq_s16): Likewise.
        (vmlsdavq_s16): Likewise.
        (vmladavxq_s16): Likewise.
        (vmladavq_s16): Likewise.
        (vminvq_s16): Likewise.
        (vminq_s16): Likewise.
        (vmaxvq_s16): Likewise.
        (vmaxq_s16): Likewise.
        (vhsubq_s16): Likewise.
        (vhsubq_n_s16): Likewise.
        (vhcaddq_rot90_s16): Likewise.
        (vhcaddq_rot270_s16): Likewise.
        (vhaddq_s16): Likewise.
        (vhaddq_n_s16): Likewise.
        (veorq_s16): Likewise.
        (vcaddq_rot90_s16): Likewise.
        (vcaddq_rot270_s16): Likewise.
        (vbrsrq_n_s16): Likewise.
        (vbicq_s16): Likewise.
        (vandq_s16): Likewise.
        (vaddvaq_s16): Likewise.
        (vaddq_n_s16): Likewise.
        (vabdq_s16): Likewise.
        (vshlq_n_s16): Likewise.
        (vrshrq_n_s16): Likewise.
        (vqshlq_n_s16): Likewise.
        (vsubq_u32): Likewise.
        (vsubq_n_u32): Likewise.
        (vrmulhq_u32): Likewise.
        (vrhaddq_u32): Likewise.
        (vqsubq_u32): Likewise.
        (vqsubq_n_u32): Likewise.
        (vqaddq_u32): Likewise.
        (vqaddq_n_u32): Likewise.
        (vorrq_u32): Likewise.
        (vornq_u32): Likewise.
        (vmulq_u32): Likewise.
        (vmulq_n_u32): Likewise.
        (vmulltq_int_u32): Likewise.
        (vmullbq_int_u32): Likewise.
        (vmulhq_u32): Likewise.
        (vmladavq_u32): Likewise.
        (vminvq_u32): Likewise.
        (vminq_u32): Likewise.
        (vmaxvq_u32): Likewise.
        (vmaxq_u32): Likewise.
        (vhsubq_u32): Likewise.
        (vhsubq_n_u32): Likewise.
        (vhaddq_u32): Likewise.
        (vhaddq_n_u32): Likewise.
        (veorq_u32): Likewise.
        (vcmpneq_n_u32): Likewise.
        (vcmphiq_u32): Likewise.
        (vcmphiq_n_u32): Likewise.
        (vcmpeqq_u32): Likewise.
        (vcmpeqq_n_u32): Likewise.
        (vcmpcsq_u32): Likewise.
        (vcmpcsq_n_u32): Likewise.
        (vcaddq_rot90_u32): Likewise.
        (vcaddq_rot270_u32): Likewise.
        (vbicq_u32): Likewise.
        (vandq_u32): Likewise.
        (vaddvq_p_u32): Likewise.
        (vaddvaq_u32): Likewise.
        (vaddq_n_u32): Likewise.
        (vabdq_u32): Likewise.
        (vshlq_r_u32): Likewise.
        (vrshlq_u32): Likewise.
        (vrshlq_n_u32): Likewise.
        (vqshlq_u32): Likewise.
        (vqshlq_r_u32): Likewise.
        (vqrshlq_u32): Likewise.
        (vqrshlq_n_u32): Likewise.
        (vminavq_s32): Likewise.
        (vminaq_s32): Likewise.
        (vmaxavq_s32): Likewise.
        (vmaxaq_s32): Likewise.
        (vbrsrq_n_u32): Likewise.
        (vshlq_n_u32): Likewise.
        (vrshrq_n_u32): Likewise.
        (vqshlq_n_u32): Likewise.
        (vcmpneq_n_s32): Likewise.
        (vcmpltq_s32): Likewise.
        (vcmpltq_n_s32): Likewise.
        (vcmpleq_s32): Likewise.
        (vcmpleq_n_s32): Likewise.
        (vcmpgtq_s32): Likewise.
        (vcmpgtq_n_s32): Likewise.
        (vcmpgeq_s32): Likewise.
        (vcmpgeq_n_s32): Likewise.
        (vcmpeqq_s32): Likewise.
        (vcmpeqq_n_s32): Likewise.
        (vqshluq_n_s32): Likewise.
        (vaddvq_p_s32): Likewise.
        (vsubq_s32): Likewise.
        (vsubq_n_s32): Likewise.
        (vshlq_r_s32): Likewise.
        (vrshlq_s32): Likewise.
        (vrshlq_n_s32): Likewise.
        (vrmulhq_s32): Likewise.
        (vrhaddq_s32): Likewise.
        (vqsubq_s32): Likewise.
        (vqsubq_n_s32): Likewise.
        (vqshlq_s32): Likewise.
        (vqshlq_r_s32): Likewise.
        (vqrshlq_s32): Likewise.
        (vqrshlq_n_s32): Likewise.
        (vqrdmulhq_s32): Likewise.
        (vqrdmulhq_n_s32): Likewise.
        (vqdmulhq_s32): Likewise.
        (vqdmulhq_n_s32): Likewise.
        (vqaddq_s32): Likewise.
        (vqaddq_n_s32): Likewise.
        (vorrq_s32): Likewise.
        (vornq_s32): Likewise.
        (vmulq_s32): Likewise.
        (vmulq_n_s32): Likewise.
        (vmulltq_int_s32): Likewise.
        (vmullbq_int_s32): Likewise.
        (vmulhq_s32): Likewise.
        (vmlsdavxq_s32): Likewise.
        (vmlsdavq_s32): Likewise.
        (vmladavxq_s32): Likewise.
        (vmladavq_s32): Likewise.
        (vminvq_s32): Likewise.
        (vminq_s32): Likewise.
        (vmaxvq_s32): Likewise.
        (vmaxq_s32): Likewise.
        (vhsubq_s32): Likewise.
        (vhsubq_n_s32): Likewise.
        (vhcaddq_rot90_s32): Likewise.
        (vhcaddq_rot270_s32): Likewise.
        (vhaddq_s32): Likewise.
        (vhaddq_n_s32): Likewise.
        (veorq_s32): Likewise.
        (vcaddq_rot90_s32): Likewise.
        (vcaddq_rot270_s32): Likewise.
        (vbrsrq_n_s32): Likewise.
        (vbicq_s32): Likewise.
        (vandq_s32): Likewise.
        (vaddvaq_s32): Likewise.
        (vaddq_n_s32): Likewise.
        (vabdq_s32): Likewise.
        (vshlq_n_s32): Likewise.
        (vrshrq_n_s32): Likewise.
        (vqshlq_n_s32): Likewise.
        (__arm_vsubq_u8): Define intrinsic.
        (__arm_vsubq_n_u8): Likewise.
        (__arm_vrmulhq_u8): Likewise.
        (__arm_vrhaddq_u8): Likewise.
        (__arm_vqsubq_u8): Likewise.
        (__arm_vqsubq_n_u8): Likewise.
        (__arm_vqaddq_u8): Likewise.
        (__arm_vqaddq_n_u8): Likewise.
        (__arm_vorrq_u8): Likewise.
        (__arm_vornq_u8): Likewise.
        (__arm_vmulq_u8): Likewise.
        (__arm_vmulq_n_u8): Likewise.
        (__arm_vmulltq_int_u8): Likewise.
        (__arm_vmullbq_int_u8): Likewise.
        (__arm_vmulhq_u8): Likewise.
        (__arm_vmladavq_u8): Likewise.
        (__arm_vminvq_u8): Likewise.
        (__arm_vminq_u8): Likewise.
        (__arm_vmaxvq_u8): Likewise.
        (__arm_vmaxq_u8): Likewise.
        (__arm_vhsubq_u8): Likewise.
        (__arm_vhsubq_n_u8): Likewise.
        (__arm_vhaddq_u8): Likewise.
        (__arm_vhaddq_n_u8): Likewise.
        (__arm_veorq_u8): Likewise.
        (__arm_vcmpneq_n_u8): Likewise.
        (__arm_vcmphiq_u8): Likewise.
        (__arm_vcmphiq_n_u8): Likewise.
        (__arm_vcmpeqq_u8): Likewise.
        (__arm_vcmpeqq_n_u8): Likewise.
        (__arm_vcmpcsq_u8): Likewise.
        (__arm_vcmpcsq_n_u8): Likewise.
        (__arm_vcaddq_rot90_u8): Likewise.
        (__arm_vcaddq_rot270_u8): Likewise.
        (__arm_vbicq_u8): Likewise.
        (__arm_vandq_u8): Likewise.
        (__arm_vaddvq_p_u8): Likewise.
        (__arm_vaddvaq_u8): Likewise.
        (__arm_vaddq_n_u8): Likewise.
        (__arm_vabdq_u8): Likewise.
        (__arm_vshlq_r_u8): Likewise.
        (__arm_vrshlq_u8): Likewise.
        (__arm_vrshlq_n_u8): Likewise.
        (__arm_vqshlq_u8): Likewise.
        (__arm_vqshlq_r_u8): Likewise.
        (__arm_vqrshlq_u8): Likewise.
        (__arm_vqrshlq_n_u8): Likewise.
        (__arm_vminavq_s8): Likewise.
        (__arm_vminaq_s8): Likewise.
        (__arm_vmaxavq_s8): Likewise.
        (__arm_vmaxaq_s8): Likewise.
        (__arm_vbrsrq_n_u8): Likewise.
        (__arm_vshlq_n_u8): Likewise.
        (__arm_vrshrq_n_u8): Likewise.
        (__arm_vqshlq_n_u8): Likewise.
        (__arm_vcmpneq_n_s8): Likewise.
        (__arm_vcmpltq_s8): Likewise.
        (__arm_vcmpltq_n_s8): Likewise.
        (__arm_vcmpleq_s8): Likewise.
        (__arm_vcmpleq_n_s8): Likewise.
        (__arm_vcmpgtq_s8): Likewise.
        (__arm_vcmpgtq_n_s8): Likewise.
        (__arm_vcmpgeq_s8): Likewise.
        (__arm_vcmpgeq_n_s8): Likewise.
        (__arm_vcmpeqq_s8): Likewise.
        (__arm_vcmpeqq_n_s8): Likewise.
        (__arm_vqshluq_n_s8): Likewise.
        (__arm_vaddvq_p_s8): Likewise.
        (__arm_vsubq_s8): Likewise.
        (__arm_vsubq_n_s8): Likewise.
        (__arm_vshlq_r_s8): Likewise.
        (__arm_vrshlq_s8): Likewise.
        (__arm_vrshlq_n_s8): Likewise.
        (__arm_vrmulhq_s8): Likewise.
        (__arm_vrhaddq_s8): Likewise.
        (__arm_vqsubq_s8): Likewise.
        (__arm_vqsubq_n_s8): Likewise.
        (__arm_vqshlq_s8): Likewise.
        (__arm_vqshlq_r_s8): Likewise.
        (__arm_vqrshlq_s8): Likewise.
        (__arm_vqrshlq_n_s8): Likewise.
        (__arm_vqrdmulhq_s8): Likewise.
        (__arm_vqrdmulhq_n_s8): Likewise.
        (__arm_vqdmulhq_s8): Likewise.
        (__arm_vqdmulhq_n_s8): Likewise.
        (__arm_vqaddq_s8): Likewise.
        (__arm_vqaddq_n_s8): Likewise.
        (__arm_vorrq_s8): Likewise.
        (__arm_vornq_s8): Likewise.
        (__arm_vmulq_s8): Likewise.
        (__arm_vmulq_n_s8): Likewise.
        (__arm_vmulltq_int_s8): Likewise.
        (__arm_vmullbq_int_s8): Likewise.
        (__arm_vmulhq_s8): Likewise.
        (__arm_vmlsdavxq_s8): Likewise.
        (__arm_vmlsdavq_s8): Likewise.
        (__arm_vmladavxq_s8): Likewise.
        (__arm_vmladavq_s8): Likewise.
        (__arm_vminvq_s8): Likewise.
        (__arm_vminq_s8): Likewise.
        (__arm_vmaxvq_s8): Likewise.
        (__arm_vmaxq_s8): Likewise.
        (__arm_vhsubq_s8): Likewise.
        (__arm_vhsubq_n_s8): Likewise.
        (__arm_vhcaddq_rot90_s8): Likewise.
        (__arm_vhcaddq_rot270_s8): Likewise.
        (__arm_vhaddq_s8): Likewise.
        (__arm_vhaddq_n_s8): Likewise.
        (__arm_veorq_s8): Likewise.
        (__arm_vcaddq_rot90_s8): Likewise.
        (__arm_vcaddq_rot270_s8): Likewise.
        (__arm_vbrsrq_n_s8): Likewise.
        (__arm_vbicq_s8): Likewise.
        (__arm_vandq_s8): Likewise.
        (__arm_vaddvaq_s8): Likewise.
        (__arm_vaddq_n_s8): Likewise.
        (__arm_vabdq_s8): Likewise.
        (__arm_vshlq_n_s8): Likewise.
        (__arm_vrshrq_n_s8): Likewise.
        (__arm_vqshlq_n_s8): Likewise.
        (__arm_vsubq_u16): Likewise.
        (__arm_vsubq_n_u16): Likewise.
        (__arm_vrmulhq_u16): Likewise.
        (__arm_vrhaddq_u16): Likewise.
        (__arm_vqsubq_u16): Likewise.
        (__arm_vqsubq_n_u16): Likewise.
        (__arm_vqaddq_u16): Likewise.
        (__arm_vqaddq_n_u16): Likewise.
        (__arm_vorrq_u16): Likewise.
        (__arm_vornq_u16): Likewise.
        (__arm_vmulq_u16): Likewise.
        (__arm_vmulq_n_u16): Likewise.
        (__arm_vmulltq_int_u16): Likewise.
        (__arm_vmullbq_int_u16): Likewise.
        (__arm_vmulhq_u16): Likewise.
        (__arm_vmladavq_u16): Likewise.
        (__arm_vminvq_u16): Likewise.
        (__arm_vminq_u16): Likewise.
        (__arm_vmaxvq_u16): Likewise.
        (__arm_vmaxq_u16): Likewise.
        (__arm_vhsubq_u16): Likewise.
        (__arm_vhsubq_n_u16): Likewise.
        (__arm_vhaddq_u16): Likewise.
        (__arm_vhaddq_n_u16): Likewise.
        (__arm_veorq_u16): Likewise.
        (__arm_vcmpneq_n_u16): Likewise.
        (__arm_vcmphiq_u16): Likewise.
        (__arm_vcmphiq_n_u16): Likewise.
        (__arm_vcmpeqq_u16): Likewise.
        (__arm_vcmpeqq_n_u16): Likewise.
        (__arm_vcmpcsq_u16): Likewise.
        (__arm_vcmpcsq_n_u16): Likewise.
        (__arm_vcaddq_rot90_u16): Likewise.
        (__arm_vcaddq_rot270_u16): Likewise.
        (__arm_vbicq_u16): Likewise.
        (__arm_vandq_u16): Likewise.
        (__arm_vaddvq_p_u16): Likewise.
        (__arm_vaddvaq_u16): Likewise.
        (__arm_vaddq_n_u16): Likewise.
        (__arm_vabdq_u16): Likewise.
        (__arm_vshlq_r_u16): Likewise.
        (__arm_vrshlq_u16): Likewise.
        (__arm_vrshlq_n_u16): Likewise.
        (__arm_vqshlq_u16): Likewise.
        (__arm_vqshlq_r_u16): Likewise.
        (__arm_vqrshlq_u16): Likewise.
        (__arm_vqrshlq_n_u16): Likewise.
        (__arm_vminavq_s16): Likewise.
        (__arm_vminaq_s16): Likewise.
        (__arm_vmaxavq_s16): Likewise.
        (__arm_vmaxaq_s16): Likewise.
        (__arm_vbrsrq_n_u16): Likewise.
        (__arm_vshlq_n_u16): Likewise.
        (__arm_vrshrq_n_u16): Likewise.
        (__arm_vqshlq_n_u16): Likewise.
        (__arm_vcmpneq_n_s16): Likewise.
        (__arm_vcmpltq_s16): Likewise.
        (__arm_vcmpltq_n_s16): Likewise.
        (__arm_vcmpleq_s16): Likewise.
        (__arm_vcmpleq_n_s16): Likewise.
        (__arm_vcmpgtq_s16): Likewise.
        (__arm_vcmpgtq_n_s16): Likewise.
        (__arm_vcmpgeq_s16): Likewise.
        (__arm_vcmpgeq_n_s16): Likewise.
        (__arm_vcmpeqq_s16): Likewise.
        (__arm_vcmpeqq_n_s16): Likewise.
        (__arm_vqshluq_n_s16): Likewise.
        (__arm_vaddvq_p_s16): Likewise.
        (__arm_vsubq_s16): Likewise.
        (__arm_vsubq_n_s16): Likewise.
        (__arm_vshlq_r_s16): Likewise.
        (__arm_vrshlq_s16): Likewise.
        (__arm_vrshlq_n_s16): Likewise.
        (__arm_vrmulhq_s16): Likewise.
        (__arm_vrhaddq_s16): Likewise.
        (__arm_vqsubq_s16): Likewise.
        (__arm_vqsubq_n_s16): Likewise.
        (__arm_vqshlq_s16): Likewise.
        (__arm_vqshlq_r_s16): Likewise.
        (__arm_vqrshlq_s16): Likewise.
        (__arm_vqrshlq_n_s16): Likewise.
        (__arm_vqrdmulhq_s16): Likewise.
        (__arm_vqrdmulhq_n_s16): Likewise.
        (__arm_vqdmulhq_s16): Likewise.
        (__arm_vqdmulhq_n_s16): Likewise.
        (__arm_vqaddq_s16): Likewise.
        (__arm_vqaddq_n_s16): Likewise.
        (__arm_vorrq_s16): Likewise.
        (__arm_vornq_s16): Likewise.
        (__arm_vmulq_s16): Likewise.
        (__arm_vmulq_n_s16): Likewise.
        (__arm_vmulltq_int_s16): Likewise.
        (__arm_vmullbq_int_s16): Likewise.
        (__arm_vmulhq_s16): Likewise.
        (__arm_vmlsdavxq_s16): Likewise.
        (__arm_vmlsdavq_s16): Likewise.
        (__arm_vmladavxq_s16): Likewise.
        (__arm_vmladavq_s16): Likewise.
        (__arm_vminvq_s16): Likewise.
        (__arm_vminq_s16): Likewise.
        (__arm_vmaxvq_s16): Likewise.
        (__arm_vmaxq_s16): Likewise.
        (__arm_vhsubq_s16): Likewise.
        (__arm_vhsubq_n_s16): Likewise.
        (__arm_vhcaddq_rot90_s16): Likewise.
        (__arm_vhcaddq_rot270_s16): Likewise.
        (__arm_vhaddq_s16): Likewise.
        (__arm_vhaddq_n_s16): Likewise.
        (__arm_veorq_s16): Likewise.
        (__arm_vcaddq_rot90_s16): Likewise.
        (__arm_vcaddq_rot270_s16): Likewise.
        (__arm_vbrsrq_n_s16): Likewise.
        (__arm_vbicq_s16): Likewise.
        (__arm_vandq_s16): Likewise.
        (__arm_vaddvaq_s16): Likewise.
        (__arm_vaddq_n_s16): Likewise.
        (__arm_vabdq_s16): Likewise.
        (__arm_vshlq_n_s16): Likewise.
        (__arm_vrshrq_n_s16): Likewise.
        (__arm_vqshlq_n_s16): Likewise.
        (__arm_vsubq_u32): Likewise.
        (__arm_vsubq_n_u32): Likewise.
        (__arm_vrmulhq_u32): Likewise.
        (__arm_vrhaddq_u32): Likewise.
        (__arm_vqsubq_u32): Likewise.
        (__arm_vqsubq_n_u32): Likewise.
        (__arm_vqaddq_u32): Likewise.
        (__arm_vqaddq_n_u32): Likewise.
        (__arm_vorrq_u32): Likewise.
        (__arm_vornq_u32): Likewise.
        (__arm_vmulq_u32): Likewise.
        (__arm_vmulq_n_u32): Likewise.
        (__arm_vmulltq_int_u32): Likewise.
        (__arm_vmullbq_int_u32): Likewise.
        (__arm_vmulhq_u32): Likewise.
        (__arm_vmladavq_u32): Likewise.
        (__arm_vminvq_u32): Likewise.
        (__arm_vminq_u32): Likewise.
        (__arm_vmaxvq_u32): Likewise.
        (__arm_vmaxq_u32): Likewise.
        (__arm_vhsubq_u32): Likewise.
        (__arm_vhsubq_n_u32): Likewise.
        (__arm_vhaddq_u32): Likewise.
        (__arm_vhaddq_n_u32): Likewise.
        (__arm_veorq_u32): Likewise.
        (__arm_vcmpneq_n_u32): Likewise.
        (__arm_vcmphiq_u32): Likewise.
        (__arm_vcmphiq_n_u32): Likewise.
        (__arm_vcmpeqq_u32): Likewise.
        (__arm_vcmpeqq_n_u32): Likewise.
        (__arm_vcmpcsq_u32): Likewise.
        (__arm_vcmpcsq_n_u32): Likewise.
        (__arm_vcaddq_rot90_u32): Likewise.
        (__arm_vcaddq_rot270_u32): Likewise.
        (__arm_vbicq_u32): Likewise.
        (__arm_vandq_u32): Likewise.
        (__arm_vaddvq_p_u32): Likewise.
        (__arm_vaddvaq_u32): Likewise.
        (__arm_vaddq_n_u32): Likewise.
        (__arm_vabdq_u32): Likewise.
        (__arm_vshlq_r_u32): Likewise.
        (__arm_vrshlq_u32): Likewise.
        (__arm_vrshlq_n_u32): Likewise.
        (__arm_vqshlq_u32): Likewise.
        (__arm_vqshlq_r_u32): Likewise.
        (__arm_vqrshlq_u32): Likewise.
        (__arm_vqrshlq_n_u32): Likewise.
        (__arm_vminavq_s32): Likewise.
        (__arm_vminaq_s32): Likewise.
        (__arm_vmaxavq_s32): Likewise.
        (__arm_vmaxaq_s32): Likewise.
        (__arm_vbrsrq_n_u32): Likewise.
        (__arm_vshlq_n_u32): Likewise.
        (__arm_vrshrq_n_u32): Likewise.
        (__arm_vqshlq_n_u32): Likewise.
        (__arm_vcmpneq_n_s32): Likewise.
        (__arm_vcmpltq_s32): Likewise.
        (__arm_vcmpltq_n_s32): Likewise.
        (__arm_vcmpleq_s32): Likewise.
        (__arm_vcmpleq_n_s32): Likewise.
        (__arm_vcmpgtq_s32): Likewise.
        (__arm_vcmpgtq_n_s32): Likewise.
        (__arm_vcmpgeq_s32): Likewise.
        (__arm_vcmpgeq_n_s32): Likewise.
        (__arm_vcmpeqq_s32): Likewise.
        (__arm_vcmpeqq_n_s32): Likewise.
        (__arm_vqshluq_n_s32): Likewise.
        (__arm_vaddvq_p_s32): Likewise.
        (__arm_vsubq_s32): Likewise.
        (__arm_vsubq_n_s32): Likewise.
        (__arm_vshlq_r_s32): Likewise.
        (__arm_vrshlq_s32): Likewise.
        (__arm_vrshlq_n_s32): Likewise.
        (__arm_vrmulhq_s32): Likewise.
        (__arm_vrhaddq_s32): Likewise.
        (__arm_vqsubq_s32): Likewise.
        (__arm_vqsubq_n_s32): Likewise.
        (__arm_vqshlq_s32): Likewise.
        (__arm_vqshlq_r_s32): Likewise.
        (__arm_vqrshlq_s32): Likewise.
        (__arm_vqrshlq_n_s32): Likewise.
        (__arm_vqrdmulhq_s32): Likewise.
        (__arm_vqrdmulhq_n_s32): Likewise.
        (__arm_vqdmulhq_s32): Likewise.
        (__arm_vqdmulhq_n_s32): Likewise.
        (__arm_vqaddq_s32): Likewise.
        (__arm_vqaddq_n_s32): Likewise.
        (__arm_vorrq_s32): Likewise.
        (__arm_vornq_s32): Likewise.
        (__arm_vmulq_s32): Likewise.
        (__arm_vmulq_n_s32): Likewise.
        (__arm_vmulltq_int_s32): Likewise.
        (__arm_vmullbq_int_s32): Likewise.
        (__arm_vmulhq_s32): Likewise.
        (__arm_vmlsdavxq_s32): Likewise.
        (__arm_vmlsdavq_s32): Likewise.
        (__arm_vmladavxq_s32): Likewise.
        (__arm_vmladavq_s32): Likewise.
        (__arm_vminvq_s32): Likewise.
        (__arm_vminq_s32): Likewise.
        (__arm_vmaxvq_s32): Likewise.
        (__arm_vmaxq_s32): Likewise.
        (__arm_vhsubq_s32): Likewise.
        (__arm_vhsubq_n_s32): Likewise.
        (__arm_vhcaddq_rot90_s32): Likewise.
        (__arm_vhcaddq_rot270_s32): Likewise.
        (__arm_vhaddq_s32): Likewise.
        (__arm_vhaddq_n_s32): Likewise.
        (__arm_veorq_s32): Likewise.
        (__arm_vcaddq_rot90_s32): Likewise.
        (__arm_vcaddq_rot270_s32): Likewise.
        (__arm_vbrsrq_n_s32): Likewise.
        (__arm_vbicq_s32): Likewise.
        (__arm_vandq_s32): Likewise.
        (__arm_vaddvaq_s32): Likewise.
        (__arm_vaddq_n_s32): Likewise.
        (__arm_vabdq_s32): Likewise.
        (__arm_vshlq_n_s32): Likewise.
        (__arm_vrshrq_n_s32): Likewise.
        (__arm_vqshlq_n_s32): Likewise.
        (vsubq): Define polymorphic variant.
        (vsubq_n): Likewise.
        (vshlq_r): Likewise.
        (vrshlq_n): Likewise.
        (vrshlq): Likewise.
        (vrmulhq): Likewise.
        (vrhaddq): Likewise.
        (vqsubq_n): Likewise.
        (vqsubq): Likewise.
        (vqshlq): Likewise.
        (vqshlq_r): Likewise.
        (vqshluq): Likewise.
        (vrshrq_n): Likewise.
        (vshlq_n): Likewise.
        (vqshluq_n): Likewise.
        (vqshlq_n): Likewise.
        (vqrshlq_n): Likewise.
        (vqrshlq): Likewise.
        (vqrdmulhq_n): Likewise.
        (vqrdmulhq): Likewise.
        (vqdmulhq_n): Likewise.
        (vqdmulhq): Likewise.
        (vqaddq_n): Likewise.
        (vqaddq): Likewise.
        (vorrq_n): Likewise.
        (vorrq): Likewise.
        (vornq): Likewise.
        (vmulq_n): Likewise.
        (vmulq): Likewise.
        (vmulltq_int): Likewise.
        (vmullbq_int): Likewise.
        (vmulhq): Likewise.
        (vminq): Likewise.
        (vminaq): Likewise.
        (vmaxq): Likewise.
        (vmaxaq): Likewise.
        (vhsubq_n): Likewise.
        (vhsubq): Likewise.
        (vhcaddq_rot90): Likewise.
        (vhcaddq_rot270): Likewise.
        (vhaddq_n): Likewise.
        (vhaddq): Likewise.
        (veorq): Likewise.
        (vcaddq_rot90): Likewise.
        (vcaddq_rot270): Likewise.
        (vbrsrq_n): Likewise.
        (vbicq_n): Likewise.
        (vbicq): Likewise.
        (vaddq): Likewise.
        (vaddq_n): Likewise.
        (vandq): Likewise.
        (vabdq): Likewise.
        * config/arm/arm_mve_builtins.def (BINOP_NONE_NONE_IMM): Use it.
        (BINOP_NONE_NONE_NONE): Likewise.
        (BINOP_NONE_NONE_UNONE): Likewise.
        (BINOP_UNONE_NONE_IMM): Likewise.
        (BINOP_UNONE_NONE_NONE): Likewise.
        (BINOP_UNONE_UNONE_IMM): Likewise.
        (BINOP_UNONE_UNONE_NONE): Likewise.
        (BINOP_UNONE_UNONE_UNONE): Likewise.
        * config/arm/constraints.md (Ra): Define constraint to check constant is
        in the range of 0 to 7.
        (Rg): Define constriant to check the constant is one among 1, 2, 4
        and 8.
        * config/arm/mve.md (mve_vabdq_<supf>): Define RTL pattern.
        (mve_vaddq_n_<supf>): Likewise.
        (mve_vaddvaq_<supf>): Likewise.
        (mve_vaddvq_p_<supf>): Likewise.
        (mve_vandq_<supf>): Likewise.
        (mve_vbicq_<supf>): Likewise.
        (mve_vbrsrq_n_<supf>): Likewise.
        (mve_vcaddq_rot270_<supf>): Likewise.
        (mve_vcaddq_rot90_<supf>): Likewise.
        (mve_vcmpcsq_n_u): Likewise.
        (mve_vcmpcsq_u): Likewise.
        (mve_vcmpeqq_n_<supf>): Likewise.
        (mve_vcmpeqq_<supf>): Likewise.
        (mve_vcmpgeq_n_s): Likewise.
        (mve_vcmpgeq_s): Likewise.
        (mve_vcmpgtq_n_s): Likewise.
        (mve_vcmpgtq_s): Likewise.
        (mve_vcmphiq_n_u): Likewise.
        (mve_vcmphiq_u): Likewise.
        (mve_vcmpleq_n_s): Likewise.
        (mve_vcmpleq_s): Likewise.
        (mve_vcmpltq_n_s): Likewise.
        (mve_vcmpltq_s): Likewise.
        (mve_vcmpneq_n_<supf>): Likewise.
        (mve_vddupq_n_u): Likewise.
        (mve_veorq_<supf>): Likewise.
        (mve_vhaddq_n_<supf>): Likewise.
        (mve_vhaddq_<supf>): Likewise.
        (mve_vhcaddq_rot270_s): Likewise.
        (mve_vhcaddq_rot90_s): Likewise.
        (mve_vhsubq_n_<supf>): Likewise.
        (mve_vhsubq_<supf>): Likewise.
        (mve_vidupq_n_u): Likewise.
        (mve_vmaxaq_s): Likewise.
        (mve_vmaxavq_s): Likewise.
        (mve_vmaxq_<supf>): Likewise.
        (mve_vmaxvq_<supf>): Likewise.
        (mve_vminaq_s): Likewise.
        (mve_vminavq_s): Likewise.
        (mve_vminq_<supf>): Likewise.
        (mve_vminvq_<supf>): Likewise.
        (mve_vmladavq_<supf>): Likewise.
        (mve_vmladavxq_s): Likewise.
        (mve_vmlsdavq_s): Likewise.
        (mve_vmlsdavxq_s): Likewise.
        (mve_vmulhq_<supf>): Likewise.
        (mve_vmullbq_int_<supf>): Likewise.
        (mve_vmulltq_int_<supf>): Likewise.
        (mve_vmulq_n_<supf>): Likewise.
        (mve_vmulq_<supf>): Likewise.
        (mve_vornq_<supf>): Likewise.
        (mve_vorrq_<supf>): Likewise.
        (mve_vqaddq_n_<supf>): Likewise.
        (mve_vqaddq_<supf>): Likewise.
        (mve_vqdmulhq_n_s): Likewise.
        (mve_vqdmulhq_s): Likewise.
        (mve_vqrdmulhq_n_s): Likewise.
        (mve_vqrdmulhq_s): Likewise.
        (mve_vqrshlq_n_<supf>): Likewise.
        (mve_vqrshlq_<supf>): Likewise.
        (mve_vqshlq_n_<supf>): Likewise.
        (mve_vqshlq_r_<supf>): Likewise.
        (mve_vqshlq_<supf>): Likewise.
        (mve_vqshluq_n_s): Likewise.
        (mve_vqsubq_n_<supf>): Likewise.
        (mve_vqsubq_<supf>): Likewise.
        (mve_vrhaddq_<supf>): Likewise.
        (mve_vrmulhq_<supf>): Likewise.
        (mve_vrshlq_n_<supf>): Likewise.
        (mve_vrshlq_<supf>): Likewise.
        (mve_vrshrq_n_<supf>): Likewise.
        (mve_vshlq_n_<supf>): Likewise.
        (mve_vshlq_r_<supf>): Likewise.
        (mve_vsubq_n_<supf>): Likewise.
        (mve_vsubq_<supf>): Likewise.
        * config/arm/predicates.md (mve_imm_7): Define predicate to check
        the matching constraint Ra.
        (mve_imm_selective_upto_8): Define predicate to check the matching
        constraint Rg.

2020-03-17  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm-builtins.c (BINOP_NONE_NONE_UNONE_QUALIFIERS): Define
        qualifier for binary operands.
        (BINOP_UNONE_NONE_NONE_QUALIFIERS): Likewise.
        (BINOP_UNONE_UNONE_NONE_QUALIFIERS): Likewise.
        * config/arm/arm_mve.h (vaddlvq_p_s32): Define macro.
        (vaddlvq_p_u32): Likewise.
        (vcmpneq_s8): Likewise.
        (vcmpneq_s16): Likewise.
        (vcmpneq_s32): Likewise.
        (vcmpneq_u8): Likewise.
        (vcmpneq_u16): Likewise.
        (vcmpneq_u32): Likewise.
        (vshlq_s8): Likewise.
        (vshlq_s16): Likewise.
        (vshlq_s32): Likewise.
        (vshlq_u8): Likewise.
        (vshlq_u16): Likewise.
        (vshlq_u32): Likewise.
        (__arm_vaddlvq_p_s32): Define intrinsic.
        (__arm_vaddlvq_p_u32): Likewise.
        (__arm_vcmpneq_s8): Likewise.
        (__arm_vcmpneq_s16): Likewise.
        (__arm_vcmpneq_s32): Likewise.
        (__arm_vcmpneq_u8): Likewise.
        (__arm_vcmpneq_u16): Likewise.
        (__arm_vcmpneq_u32): Likewise.
        (__arm_vshlq_s8): Likewise.
        (__arm_vshlq_s16): Likewise.
        (__arm_vshlq_s32): Likewise.
        (__arm_vshlq_u8): Likewise.
        (__arm_vshlq_u16): Likewise.
        (__arm_vshlq_u32): Likewise.
        (vaddlvq_p): Define polymorphic variant.
        (vcmpneq): Likewise.
        (vshlq): Likewise.
        * config/arm/arm_mve_builtins.def (BINOP_NONE_NONE_UNONE_QUALIFIERS):
        Use it.
        (BINOP_UNONE_NONE_NONE_QUALIFIERS): Likewise.
        (BINOP_UNONE_UNONE_NONE_QUALIFIERS): Likewise.
        * config/arm/mve.md (mve_vaddlvq_p_<supf>v4si): Define RTL pattern.
        (mve_vcmpneq_<supf><mode>): Likewise.
        (mve_vshlq_<supf><mode>): Likewise.

2020-03-17  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm-builtins.c (BINOP_UNONE_UNONE_IMM_QUALIFIERS): Define
        qualifier for binary operands.
        (BINOP_UNONE_UNONE_UNONE_QUALIFIERS): Likewise.
        (BINOP_UNONE_NONE_IMM_QUALIFIERS): Likewise.
        * config/arm/arm_mve.h (vcvtq_n_s16_f16): Define macro.
        (vcvtq_n_s32_f32): Likewise.
        (vcvtq_n_u16_f16): Likewise.
        (vcvtq_n_u32_f32): Likewise.
        (vcreateq_u8): Likewise.
        (vcreateq_u16): Likewise.
        (vcreateq_u32): Likewise.
        (vcreateq_u64): Likewise.
        (vcreateq_s8): Likewise.
        (vcreateq_s16): Likewise.
        (vcreateq_s32): Likewise.
        (vcreateq_s64): Likewise.
        (vshrq_n_s8): Likewise.
        (vshrq_n_s16): Likewise.
        (vshrq_n_s32): Likewise.
        (vshrq_n_u8): Likewise.
        (vshrq_n_u16): Likewise.
        (vshrq_n_u32): Likewise.
        (__arm_vcreateq_u8): Define intrinsic.
        (__arm_vcreateq_u16): Likewise.
        (__arm_vcreateq_u32): Likewise.
        (__arm_vcreateq_u64): Likewise.
        (__arm_vcreateq_s8): Likewise.
        (__arm_vcreateq_s16): Likewise.
        (__arm_vcreateq_s32): Likewise.
        (__arm_vcreateq_s64): Likewise.
        (__arm_vshrq_n_s8): Likewise.
        (__arm_vshrq_n_s16): Likewise.
        (__arm_vshrq_n_s32): Likewise.
        (__arm_vshrq_n_u8): Likewise.
        (__arm_vshrq_n_u16): Likewise.
        (__arm_vshrq_n_u32): Likewise.
        (__arm_vcvtq_n_s16_f16): Likewise.
        (__arm_vcvtq_n_s32_f32): Likewise.
        (__arm_vcvtq_n_u16_f16): Likewise.
        (__arm_vcvtq_n_u32_f32): Likewise.
        (vshrq_n): Define polymorphic variant.
        * config/arm/arm_mve_builtins.def (BINOP_UNONE_UNONE_IMM_QUALIFIERS):
        Use it.
        (BINOP_UNONE_UNONE_UNONE_QUALIFIERS): Likewise.
        (BINOP_UNONE_NONE_IMM_QUALIFIERS): Likewise.
        * config/arm/constraints.md (Rb): Define constraint to check constant is
        in the range of 1 to 8.
        (Rf): Define constraint to check constant is in the range of 1 to 32.
        * config/arm/mve.md (mve_vcreateq_<supf><mode>): Define RTL pattern.
        (mve_vshrq_n_<supf><mode>): Likewise.
        (mve_vcvtq_n_from_f_<supf><mode>): Likewise.
        * config/arm/predicates.md (mve_imm_8): Define predicate to check
        the matching constraint Rb.
        (mve_imm_32): Define predicate to check the matching constraint Rf.

2020-03-17  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm-builtins.c (BINOP_NONE_NONE_NONE_QUALIFIERS): Define
        qualifier for binary operands.
        (BINOP_NONE_NONE_IMM_QUALIFIERS): Likewise.
        (BINOP_NONE_UNONE_IMM_QUALIFIERS): Likewise.
        (BINOP_NONE_UNONE_UNONE_QUALIFIERS): Likewise.
        * config/arm/arm_mve.h (vsubq_n_f16): Define macro.
        (vsubq_n_f32): Likewise.
        (vbrsrq_n_f16): Likewise.
        (vbrsrq_n_f32): Likewise.
        (vcvtq_n_f16_s16): Likewise.
        (vcvtq_n_f32_s32): Likewise.
        (vcvtq_n_f16_u16): Likewise.
        (vcvtq_n_f32_u32): Likewise.
        (vcreateq_f16): Likewise.
        (vcreateq_f32): Likewise.
        (__arm_vsubq_n_f16): Define intrinsic.
        (__arm_vsubq_n_f32): Likewise.
        (__arm_vbrsrq_n_f16): Likewise.
        (__arm_vbrsrq_n_f32): Likewise.
        (__arm_vcvtq_n_f16_s16): Likewise.
        (__arm_vcvtq_n_f32_s32): Likewise.
        (__arm_vcvtq_n_f16_u16): Likewise.
        (__arm_vcvtq_n_f32_u32): Likewise.
        (__arm_vcreateq_f16): Likewise.
        (__arm_vcreateq_f32): Likewise.
        (vsubq): Define polymorphic variant.
        (vbrsrq): Likewise.
        (vcvtq_n): Likewise.
        * config/arm/arm_mve_builtins.def (BINOP_NONE_NONE_NONE_QUALIFIERS): Use
        it.
        (BINOP_NONE_NONE_IMM_QUALIFIERS): Likewise.
        (BINOP_NONE_UNONE_IMM_QUALIFIERS): Likewise.
        (BINOP_NONE_UNONE_UNONE_QUALIFIERS): Likewise.
        * config/arm/constraints.md (Rd): Define constraint to check constant is
        in the range of 1 to 16.
        * config/arm/mve.md (mve_vsubq_n_f<mode>): Define RTL pattern.
        mve_vbrsrq_n_f<mode>: Likewise.
        mve_vcvtq_n_to_f_<supf><mode>: Likewise.
        mve_vcreateq_f<mode>: Likewise.
        * config/arm/predicates.md (mve_imm_16): Define predicate to check
        the matching constraint Rd.

2020-03-17  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm-builtins.c (hi_UP): Define mode.
        * config/arm/arm.h (IS_VPR_REGNUM): Move.
        * config/arm/arm.md (VPR_REGNUM): Define before APSRQ_REGNUM.
        (APSRQ_REGNUM): Modify.
        (APSRGE_REGNUM): Modify.
        * config/arm/arm_mve.h (vctp16q): Define macro.
        (vctp32q): Likewise.
        (vctp64q): Likewise.
        (vctp8q): Likewise.
        (vpnot): Likewise.
        (__arm_vctp16q): Define intrinsic.
        (__arm_vctp32q): Likewise.
        (__arm_vctp64q): Likewise.
        (__arm_vctp8q): Likewise.
        (__arm_vpnot): Likewise.
        * config/arm/arm_mve_builtins.def (UNOP_UNONE_UNONE): Use builtin
        qualifier.
        * config/arm/mve.md (mve_vctp<mode1>qhi): Define RTL pattern.
        (mve_vpnothi): Likewise.

2020-03-17  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm.h (enum reg_class): Define new class EVEN_REGS.
        * config/arm/arm_mve.h (vdupq_n_s8): Define macro.
        (vdupq_n_s16): Likewise.
        (vdupq_n_s32): Likewise.
        (vabsq_s8): Likewise.
        (vabsq_s16): Likewise.
        (vabsq_s32): Likewise.
        (vclsq_s8): Likewise.
        (vclsq_s16): Likewise.
        (vclsq_s32): Likewise.
        (vclzq_s8): Likewise.
        (vclzq_s16): Likewise.
        (vclzq_s32): Likewise.
        (vnegq_s8): Likewise.
        (vnegq_s16): Likewise.
        (vnegq_s32): Likewise.
        (vaddlvq_s32): Likewise.
        (vaddvq_s8): Likewise.
        (vaddvq_s16): Likewise.
        (vaddvq_s32): Likewise.
        (vmovlbq_s8): Likewise.
        (vmovlbq_s16): Likewise.
        (vmovltq_s8): Likewise.
        (vmovltq_s16): Likewise.
        (vmvnq_s8): Likewise.
        (vmvnq_s16): Likewise.
        (vmvnq_s32): Likewise.
        (vrev16q_s8): Likewise.
        (vrev32q_s8): Likewise.
        (vrev32q_s16): Likewise.
        (vqabsq_s8): Likewise.
        (vqabsq_s16): Likewise.
        (vqabsq_s32): Likewise.
        (vqnegq_s8): Likewise.
        (vqnegq_s16): Likewise.
        (vqnegq_s32): Likewise.
        (vcvtaq_s16_f16): Likewise.
        (vcvtaq_s32_f32): Likewise.
        (vcvtnq_s16_f16): Likewise.
        (vcvtnq_s32_f32): Likewise.
        (vcvtpq_s16_f16): Likewise.
        (vcvtpq_s32_f32): Likewise.
        (vcvtmq_s16_f16): Likewise.
        (vcvtmq_s32_f32): Likewise.
        (vmvnq_u8): Likewise.
        (vmvnq_u16): Likewise.
        (vmvnq_u32): Likewise.
        (vdupq_n_u8): Likewise.
        (vdupq_n_u16): Likewise.
        (vdupq_n_u32): Likewise.
        (vclzq_u8): Likewise.
        (vclzq_u16): Likewise.
        (vclzq_u32): Likewise.
        (vaddvq_u8): Likewise.
        (vaddvq_u16): Likewise.
        (vaddvq_u32): Likewise.
        (vrev32q_u8): Likewise.
        (vrev32q_u16): Likewise.
        (vmovltq_u8): Likewise.
        (vmovltq_u16): Likewise.
        (vmovlbq_u8): Likewise.
        (vmovlbq_u16): Likewise.
        (vrev16q_u8): Likewise.
        (vaddlvq_u32): Likewise.
        (vcvtpq_u16_f16): Likewise.
        (vcvtpq_u32_f32): Likewise.
        (vcvtnq_u16_f16): Likewise.
        (vcvtmq_u16_f16): Likewise.
        (vcvtmq_u32_f32): Likewise.
        (vcvtaq_u16_f16): Likewise.
        (vcvtaq_u32_f32): Likewise.
        (__arm_vdupq_n_s8): Define intrinsic.
        (__arm_vdupq_n_s16): Likewise.
        (__arm_vdupq_n_s32): Likewise.
        (__arm_vabsq_s8): Likewise.
        (__arm_vabsq_s16): Likewise.
        (__arm_vabsq_s32): Likewise.
        (__arm_vclsq_s8): Likewise.
        (__arm_vclsq_s16): Likewise.
        (__arm_vclsq_s32): Likewise.
        (__arm_vclzq_s8): Likewise.
        (__arm_vclzq_s16): Likewise.
        (__arm_vclzq_s32): Likewise.
        (__arm_vnegq_s8): Likewise.
        (__arm_vnegq_s16): Likewise.
        (__arm_vnegq_s32): Likewise.
        (__arm_vaddlvq_s32): Likewise.
        (__arm_vaddvq_s8): Likewise.
        (__arm_vaddvq_s16): Likewise.
        (__arm_vaddvq_s32): Likewise.
        (__arm_vmovlbq_s8): Likewise.
        (__arm_vmovlbq_s16): Likewise.
        (__arm_vmovltq_s8): Likewise.
        (__arm_vmovltq_s16): Likewise.
        (__arm_vmvnq_s8): Likewise.
        (__arm_vmvnq_s16): Likewise.
        (__arm_vmvnq_s32): Likewise.
        (__arm_vrev16q_s8): Likewise.
        (__arm_vrev32q_s8): Likewise.
        (__arm_vrev32q_s16): Likewise.
        (__arm_vqabsq_s8): Likewise.
        (__arm_vqabsq_s16): Likewise.
        (__arm_vqabsq_s32): Likewise.
        (__arm_vqnegq_s8): Likewise.
        (__arm_vqnegq_s16): Likewise.
        (__arm_vqnegq_s32): Likewise.
        (__arm_vmvnq_u8): Likewise.
        (__arm_vmvnq_u16): Likewise.
        (__arm_vmvnq_u32): Likewise.
        (__arm_vdupq_n_u8): Likewise.
        (__arm_vdupq_n_u16): Likewise.
        (__arm_vdupq_n_u32): Likewise.
        (__arm_vclzq_u8): Likewise.
        (__arm_vclzq_u16): Likewise.
        (__arm_vclzq_u32): Likewise.
        (__arm_vaddvq_u8): Likewise.
        (__arm_vaddvq_u16): Likewise.
        (__arm_vaddvq_u32): Likewise.
        (__arm_vrev32q_u8): Likewise.
        (__arm_vrev32q_u16): Likewise.
        (__arm_vmovltq_u8): Likewise.
        (__arm_vmovltq_u16): Likewise.
        (__arm_vmovlbq_u8): Likewise.
        (__arm_vmovlbq_u16): Likewise.
        (__arm_vrev16q_u8): Likewise.
        (__arm_vaddlvq_u32): Likewise.
        (__arm_vcvtpq_u16_f16): Likewise.
        (__arm_vcvtpq_u32_f32): Likewise.
        (__arm_vcvtnq_u16_f16): Likewise.
        (__arm_vcvtmq_u16_f16): Likewise.
        (__arm_vcvtmq_u32_f32): Likewise.
        (__arm_vcvtaq_u16_f16): Likewise.
        (__arm_vcvtaq_u32_f32): Likewise.
        (__arm_vcvtaq_s16_f16): Likewise.
        (__arm_vcvtaq_s32_f32): Likewise.
        (__arm_vcvtnq_s16_f16): Likewise.
        (__arm_vcvtnq_s32_f32): Likewise.
        (__arm_vcvtpq_s16_f16): Likewise.
        (__arm_vcvtpq_s32_f32): Likewise.
        (__arm_vcvtmq_s16_f16): Likewise.
        (__arm_vcvtmq_s32_f32): Likewise.
        (vdupq_n): Define polymorphic variant.
        (vabsq): Likewise.
        (vclsq): Likewise.
        (vclzq): Likewise.
        (vnegq): Likewise.
        (vaddlvq): Likewise.
        (vaddvq): Likewise.
        (vmovlbq): Likewise.
        (vmovltq): Likewise.
        (vmvnq): Likewise.
        (vrev16q): Likewise.
        (vrev32q): Likewise.
        (vqabsq): Likewise.
        (vqnegq): Likewise.
        * config/arm/arm_mve_builtins.def (UNOP_SNONE_SNONE): Use it.
        (UNOP_SNONE_NONE): Likewise.
        (UNOP_UNONE_UNONE): Likewise.
        (UNOP_UNONE_NONE): Likewise.
        * config/arm/constraints.md (e): Define new constriant to allow only
        even registers.
        * config/arm/mve.md (mve_vqabsq_s<mode>): Define RTL pattern.
        (mve_vnegq_s<mode>): Likewise.
        (mve_vmvnq_<supf><mode>): Likewise.
        (mve_vdupq_n_<supf><mode>): Likewise.
        (mve_vclzq_<supf><mode>): Likewise.
        (mve_vclsq_s<mode>): Likewise.
        (mve_vaddvq_<supf><mode>): Likewise.
        (mve_vabsq_s<mode>): Likewise.
        (mve_vrev32q_<supf><mode>): Likewise.
        (mve_vmovltq_<supf><mode>): Likewise.
        (mve_vmovlbq_<supf><mode>): Likewise.
        (mve_vcvtpq_<supf><mode>): Likewise.
        (mve_vcvtnq_<supf><mode>): Likewise.
        (mve_vcvtmq_<supf><mode>): Likewise.
        (mve_vcvtaq_<supf><mode>): Likewise.
        (mve_vrev16q_<supf>v16qi): Likewise.
        (mve_vaddlvq_<supf>v4si): Likewise.

2020-03-17  Jakub Jelinek  <jakub@redhat.com>

        * lra-spills.c (remove_pseudos): Fix up duplicated word issue in
        a dump message.
        * tree-sra.c (create_access_replacement): Fix up duplicated word issue
        in a comment.
        * read-rtl-function.c (find_param_by_name,
        function_reader::parse_enum_value, function_reader::get_insn_by_uid):
        Likewise.
        * spellcheck.c (get_edit_distance_cutoff): Likewise.
        * tree-data-ref.c (create_ifn_alias_checks): Likewise.
        * tree.def (SWITCH_EXPR): Likewise.
        * selftest.c (assert_str_contains): Likewise.
        * ipa-param-manipulation.h (class ipa_param_body_adjustments):
        Likewise.
        * tree-ssa-math-opts.c (convert_expand_mult_copysign): Likewise.
        * tree-ssa-loop-split.c (find_vdef_in_loop): Likewise.
        * langhooks.h (struct lang_hooks_for_decls): Likewise.
        * ipa-prop.h (struct ipa_param_descriptor): Likewise.
        * tree-ssa-strlen.c (handle_builtin_string_cmp, handle_store):
        Likewise.
        * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Likewise.
        * tree-ssa-reassoc.c (reassociate_bb): Likewise.
        * tree.c (component_ref_size): Likewise.
        * hsa-common.c (hsa_init_compilation_unit_data): Likewise.
        * gimple-ssa-sprintf.c (get_string_length, format_string,
        format_directive): Likewise.
        * omp-grid.c (grid_process_kernel_body_copy): Likewise.
        * input.c (string_concat_db::get_string_concatenation,
        test_lexer_string_locations_ucn4): Likewise.
        * cfgexpand.c (pass_expand::execute): Likewise.
        * gimple-ssa-warn-restrict.c (builtin_memref::offset_out_of_bounds,
        maybe_diag_overlap): Likewise.
        * rtl.c (RTX_CODE_HWINT_P_1): Likewise.
        * shrink-wrap.c (spread_components): Likewise.
        * tree-ssa-dse.c (initialize_ao_ref_for_dse, valid_ao_ref_for_dse):
        Likewise.
        * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
        Likewise.
        * dwarf2out.c (dwarf2out_early_finish): Likewise.
        * gimple-ssa-store-merging.c: Likewise.
        * ira-costs.c (record_operand_costs): Likewise.
        * tree-vect-loop.c (vectorizable_reduction): Likewise.
        * target.def (dispatch): Likewise.
        (validate_dims, gen_ccmp_first): Fix up duplicated word issue
        in documentation text.
        * doc/tm.texi: Regenerated.
        * config/i386/x86-tune.def (X86_TUNE_PARTIAL_FLAG_REG_STALL): Fix up
        duplicated word issue in a comment.
        * config/i386/i386.c (ix86_test_loading_unspec): Likewise.
        * config/i386/i386-features.c (remove_partial_avx_dependency):
        Likewise.
        * config/msp430/msp430.c (msp430_select_section): Likewise.
        * config/gcn/gcn-run.c (load_image): Likewise.
        * config/aarch64/aarch64-sve.md (sve_ld1r<mode>): Likewise.
        * config/aarch64/aarch64.c (aarch64_gen_adjusted_ldpstp): Likewise.
        * config/aarch64/falkor-tag-collision-avoidance.c
        (single_dest_per_chain): Likewise.
        * config/nvptx/nvptx.c (nvptx_record_fndecl): Likewise.
        * config/fr30/fr30.c (fr30_arg_partial_bytes): Likewise.
        * config/rs6000/rs6000-string.c (expand_cmp_vec_sequence): Likewise.
        * config/rs6000/rs6000-p8swap.c (replace_swapped_load_constant):
        Likewise.
        * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Likewise.
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Likewise.
        * config/rs6000/rs6000-logue.c
        (rs6000_emit_probe_stack_range_stack_clash): Likewise.
        * config/nds32/nds32-md-auxiliary.c (nds32_split_ashiftdi3): Likewise.
        Fix various other issues in the comment.

2020-03-17  Mihail Ionescu  <mihail.ionescu@arm.com>

        * config/arm/t-rmprofile: create new multilib for
        armv8.1-m.main+mve hard float and reuse v8-m.main ones for
        v8.1-m.main+mve.

2020-03-17  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/94015
        * tree-ssa-strlen.c (count_nonzero_bytes): Split portions of the
        function where EXP is address of the bytes being stored rather than
        the bytes themselves into count_nonzero_bytes_addr.  Punt on zero
        sized MEM_REF.  Use VAR_P macro and handle CONST_DECL like VAR_DECLs.
        Use ctor_for_folding instead of looking at DECL_INITIAL.  Punt before
        calling native_encode_expr if host or target doesn't have 8-bit
        chars.  Formatting fixes.
        (count_nonzero_bytes_addr): New function.

2020-03-17  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm-builtins.c (UNOP_SNONE_SNONE_QUALIFIERS): Define.
        (UNOP_SNONE_NONE_QUALIFIERS): Likewise.
        (UNOP_SNONE_IMM_QUALIFIERS): Likewise.
        (UNOP_UNONE_NONE_QUALIFIERS): Likewise.
        (UNOP_UNONE_UNONE_QUALIFIERS): Likewise.
        (UNOP_UNONE_IMM_QUALIFIERS): Likewise.
        * config/arm/arm_mve.h (vmvnq_n_s16): Define macro.
        (vmvnq_n_s32): Likewise.
        (vrev64q_s8): Likewise.
        (vrev64q_s16): Likewise.
        (vrev64q_s32): Likewise.
        (vcvtq_s16_f16): Likewise.
        (vcvtq_s32_f32): Likewise.
        (vrev64q_u8): Likewise.
        (vrev64q_u16): Likewise.
        (vrev64q_u32): Likewise.
        (vmvnq_n_u16): Likewise.
        (vmvnq_n_u32): Likewise.
        (vcvtq_u16_f16): Likewise.
        (vcvtq_u32_f32): Likewise.
        (__arm_vmvnq_n_s16): Define intrinsic.
        (__arm_vmvnq_n_s32): Likewise.
        (__arm_vrev64q_s8): Likewise.
        (__arm_vrev64q_s16): Likewise.
        (__arm_vrev64q_s32): Likewise.
        (__arm_vrev64q_u8): Likewise.
        (__arm_vrev64q_u16): Likewise.
        (__arm_vrev64q_u32): Likewise.
        (__arm_vmvnq_n_u16): Likewise.
        (__arm_vmvnq_n_u32): Likewise.
        (__arm_vcvtq_s16_f16): Likewise.
        (__arm_vcvtq_s32_f32): Likewise.
        (__arm_vcvtq_u16_f16): Likewise.
        (__arm_vcvtq_u32_f32): Likewise.
        (vrev64q): Define polymorphic variant.
        * config/arm/arm_mve_builtins.def (UNOP_SNONE_SNONE): Use it.
        (UNOP_SNONE_NONE): Likewise.
        (UNOP_SNONE_IMM): Likewise.
        (UNOP_UNONE_UNONE): Likewise.
        (UNOP_UNONE_NONE): Likewise.
        (UNOP_UNONE_IMM): Likewise.
        * config/arm/mve.md (mve_vrev64q_<supf><mode>): Define RTL pattern.
        (mve_vcvtq_from_f_<supf><mode>): Likewise.
        (mve_vmvnq_n_<supf><mode>): Likewise.

2020-03-17  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm-builtins.c (UNOP_NONE_NONE_QUALIFIERS): Define macro.
        (UNOP_NONE_SNONE_QUALIFIERS): Likewise.
        (UNOP_NONE_UNONE_QUALIFIERS): Likewise.
        * config/arm/arm_mve.h (vrndxq_f16): Define macro.
        (vrndxq_f32): Likewise.
        (vrndq_f16) Likewise.
        (vrndq_f32): Likewise.
        (vrndpq_f16): Likewise.
        (vrndpq_f32): Likewise.
        (vrndnq_f16): Likewise.
        (vrndnq_f32): Likewise.
        (vrndmq_f16): Likewise.
        (vrndmq_f32): Likewise. 
        (vrndaq_f16): Likewise.
        (vrndaq_f32): Likewise.
        (vrev64q_f16): Likewise.
        (vrev64q_f32): Likewise.
        (vnegq_f16): Likewise.
        (vnegq_f32): Likewise.
        (vdupq_n_f16): Likewise.
        (vdupq_n_f32): Likewise.
        (vabsq_f16): Likewise.
        (vabsq_f32): Likewise.
        (vrev32q_f16): Likewise.
        (vcvttq_f32_f16): Likewise.
        (vcvtbq_f32_f16): Likewise.
        (vcvtq_f16_s16): Likewise.
        (vcvtq_f32_s32): Likewise.
        (vcvtq_f16_u16): Likewise.
        (vcvtq_f32_u32): Likewise.
        (__arm_vrndxq_f16): Define intrinsic.
        (__arm_vrndxq_f32): Likewise.
        (__arm_vrndq_f16): Likewise.
        (__arm_vrndq_f32): Likewise.
        (__arm_vrndpq_f16): Likewise.
        (__arm_vrndpq_f32): Likewise.
        (__arm_vrndnq_f16): Likewise.
        (__arm_vrndnq_f32): Likewise.
        (__arm_vrndmq_f16): Likewise.
        (__arm_vrndmq_f32): Likewise.
        (__arm_vrndaq_f16): Likewise.
        (__arm_vrndaq_f32): Likewise.
        (__arm_vrev64q_f16): Likewise.
        (__arm_vrev64q_f32): Likewise.
        (__arm_vnegq_f16): Likewise.
        (__arm_vnegq_f32): Likewise.
        (__arm_vdupq_n_f16): Likewise.
        (__arm_vdupq_n_f32): Likewise.
        (__arm_vabsq_f16): Likewise.
        (__arm_vabsq_f32): Likewise.
        (__arm_vrev32q_f16): Likewise.
        (__arm_vcvttq_f32_f16): Likewise.
        (__arm_vcvtbq_f32_f16): Likewise.
        (__arm_vcvtq_f16_s16): Likewise.
        (__arm_vcvtq_f32_s32): Likewise.
        (__arm_vcvtq_f16_u16): Likewise.
        (__arm_vcvtq_f32_u32): Likewise.
        (vrndxq): Define polymorphic variants.
        (vrndq): Likewise.
        (vrndpq): Likewise.
        (vrndnq): Likewise.
        (vrndmq): Likewise.
        (vrndaq): Likewise.
        (vrev64q): Likewise.
        (vnegq): Likewise.
        (vabsq): Likewise.
        (vrev32q): Likewise.
        (vcvtbq_f32): Likewise.
        (vcvttq_f32): Likewise.
        (vcvtq): Likewise.
        * config/arm/arm_mve_builtins.def (VAR2): Define.
        (VAR1): Define.
        * config/arm/mve.md (mve_vrndxq_f<mode>): Add RTL pattern.
        (mve_vrndq_f<mode>): Likewise.
        (mve_vrndpq_f<mode>): Likewise.
        (mve_vrndnq_f<mode>): Likewise.
        (mve_vrndmq_f<mode>): Likewise.
        (mve_vrndaq_f<mode>): Likewise.
        (mve_vrev64q_f<mode>): Likewise.
        (mve_vnegq_f<mode>): Likewise.
        (mve_vdupq_n_f<mode>): Likewise.
        (mve_vabsq_f<mode>): Likewise.
        (mve_vrev32q_fv8hf): Likewise.
        (mve_vcvttq_f32_f16v4sf): Likewise.
        (mve_vcvtbq_f32_f16v4sf): Likewise.
        (mve_vcvtq_to_f_<supf><mode>): Likewise.

2020-03-16  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm-builtins.c (CF): Define mve_builtin_data.
        (VAR1): Define.
        (ARM_BUILTIN_MVE_PATTERN_START): Define.
        (arm_init_mve_builtins): Define function.
        (arm_init_builtins): Add TARGET_HAVE_MVE check.
        (arm_expand_builtin_1): Check the range of fcode.
        (arm_expand_mve_builtin): Define function to expand MVE builtins.
        (arm_expand_builtin): Check the range of fcode.
        * config/arm/arm_mve.h (__ARM_FEATURE_MVE): Define MVE floating point
        types.
        (__ARM_MVE_PRESERVE_USER_NAMESPACE): Define to protect user namespace.
        (vst4q_s8): Define macro.
        (vst4q_s16): Likewise.
        (vst4q_s32): Likewise.
        (vst4q_u8): Likewise.
        (vst4q_u16): Likewise.
        (vst4q_u32): Likewise.
        (vst4q_f16): Likewise.
        (vst4q_f32): Likewise.
        (__arm_vst4q_s8): Define inline builtin.
        (__arm_vst4q_s16): Likewise.
        (__arm_vst4q_s32): Likewise.
        (__arm_vst4q_u8): Likewise.
        (__arm_vst4q_u16): Likewise.
        (__arm_vst4q_u32): Likewise.
        (__arm_vst4q_f16): Likewise.
        (__arm_vst4q_f32): Likewise.
        (__ARM_mve_typeid): Define macro with MVE types.
        (__ARM_mve_coerce): Define macro with _Generic feature.
        (vst4q): Define polymorphic variant for different vst4q builtins.
        * config/arm/arm_mve_builtins.def: New file.
        * config/arm/iterators.md (VSTRUCT): Modify to allow XI and OI
        modes in MVE.
        * config/arm/mve.md (MVE_VLD_ST): Define iterator.
        (unspec): Define unspec.
        (mve_vst4q<mode>): Define RTL pattern.
        * config/arm/neon.md (mov<mode>): Modify expand to allow XI and OI
        modes in MVE.
        (neon_mov<mode>): Modify RTL define_insn to allow XI and OI modes
        in MVE.
        (define_split): Allow OI mode split for MVE after reload.
        (define_split): Allow XI mode split for MVE after reload.
        * config/arm/t-arm (arm.o): Add entry for arm_mve_builtins.def.
        (arm-builtins.o): Likewise.

2020-03-17  Christophe Lyon  <christophe.lyon@linaro.org>

        * c-typeck.c (process_init_element): Handle constructor_type with
        type size represented by POLY_INT_CST.

2020-03-17  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/94187
        * tree-ssa-strlen.c (count_nonzero_bytes): Punt if
        nchars - offset < nbytes.

        PR middle-end/94189
        * builtins.c (expand_builtin_strnlen): Do return NULL_RTX if we would
        emit a warning if it was enabled and don't depend on TREE_NO_WARNING
        for code-generation.

2020-03-16  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/94185
        * lra-spills.c (remove_pseudos): Do not reuse insn alternative
        after changing memory subreg.

2020-03-16  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config/arm/arm.c (arm_libcall_uses_aapcs_base): Modify function to add
        emulator calls for dobule precision arithmetic operations for MVE.

2020-03-16  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * common/config/arm/arm-common.c (arm_asm_auto_mfpu): When vfp_base
        feature bit is on and -mfpu=auto is passed as compiler option, do not
        generate error on not finding any matching fpu. Because in this case
        fpu is not required.
        * config/arm/arm-cpus.in (vfp_base): Define feature bit, this bit is
        enabled for MVE and also for all VFP extensions.
        (VFPv2): Modify fgroup to enable vfp_base feature bit when ever VFPv2
        is enabled.
        (MVE): Define fgroup to enable feature bits mve, vfp_base and armv7em.
        (MVE_FP): Define fgroup to enable feature bits is fgroup MVE and FPv5
        along with feature bits mve_float.
        (mve): Modify add options in armv8.1-m.main arch for MVE.
        (mve.fp): Modify add options in armv8.1-m.main arch for MVE with
        floating point.
        * config/arm/arm.c (use_return_insn): Replace the
        check with TARGET_VFP_BASE.
        (thumb2_legitimate_index_p): Replace TARGET_HARD_FLOAT with
        TARGET_VFP_BASE.
        (arm_rtx_costs_internal): Replace "TARGET_HARD_FLOAT || TARGET_HAVE_MVE"
        with TARGET_VFP_BASE, to allow cost calculations for copies in MVE as
        well.
        (arm_get_vfp_saved_size): Replace TARGET_HARD_FLOAT with
        TARGET_VFP_BASE, to allow space calculation for VFP registers in MVE
        as well.
        (arm_compute_frame_layout): Likewise.
        (arm_save_coproc_regs): Likewise.
        (arm_fixed_condition_code_regs): Modify to enable using VFPCC_REGNUM
        in MVE as well.
        (arm_hard_regno_mode_ok): Replace "TARGET_HARD_FLOAT || TARGET_HAVE_MVE"
        with equivalent macro TARGET_VFP_BASE.
        (arm_expand_epilogue_apcs_frame): Likewise.
        (arm_expand_epilogue): Likewise.
        (arm_conditional_register_usage): Likewise.
        (arm_declare_function_name): Add check to skip printing .fpu directive
        in assembly file when TARGET_VFP_BASE is enabled and fpu_to_print is
        "softvfp".
        * config/arm/arm.h (TARGET_VFP_BASE): Define.
        * config/arm/arm.md (arch): Add "mve" to arch.
        (eq_attr "arch" "mve"): Enable on TARGET_HAVE_MVE is true.
        (vfp_pop_multiple_with_writeback): Replace "TARGET_HARD_FLOAT
        || TARGET_HAVE_MVE" with equivalent macro TARGET_VFP_BASE.
        * config/arm/constraints.md (Uf): Define to allow modification to FPCCR
        in MVE.
        * config/arm/thumb2.md (thumb2_movsfcc_soft_insn): Modify target guard
        to not allow for MVE.
        * config/arm/unspecs.md (UNSPEC_GET_FPSCR): Move to volatile unspecs
        enum.
        (VUNSPEC_GET_FPSCR): Define.
        * config/arm/vfp.md (thumb2_movhi_vfp): Add support for VMSR and VMRS
        instructions which move to general-purpose Register from Floating-point
        Special register and vice-versa.
        (thumb2_movhi_fp16): Likewise.
        (thumb2_movsi_vfp): Add support for VMSR and VMRS instructions along
        with MCR and MRC instructions which set and get Floating-point Status
        and Control Register (FPSCR).
        (movdi_vfp): Modify pattern to enable Single-precision scalar float move
        in MVE.
        (thumb2_movdf_vfp): Modify pattern to enable Double-precision scalar
        float move patterns in MVE.
        (thumb2_movsfcc_vfp): Modify pattern to enable single float conditional
        code move patterns of VFP also in MVE by adding TARGET_VFP_BASE check.
        (thumb2_movdfcc_vfp): Modify pattern to enable double float conditional
        code move patterns of VFP also in MVE by adding TARGET_VFP_BASE check.
        (push_multi_vfp): Add support to use VFP VPUSH pattern for MVE by adding
        TARGET_VFP_BASE check.
        (set_fpscr): Add support to set FPSCR register for MVE. Modify pattern
        using VFPCC_REGNUM as few MVE intrinsics use carry bit of FPSCR
        register.
        (get_fpscr): Add support to get FPSCR register for MVE. Modify pattern
        using VFPCC_REGNUM as few MVE intrinsics use carry bit of FPSCR
        register.


2020-03-16  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

        * config.gcc (arm_mve.h): Include mve intrinsics header file.
        * config/arm/aout.h (p0): Add new register name for MVE predicated
        cases.
        * config/arm-builtins.c (ARM_BUILTIN_SIMD_LANE_CHECK): Define macro
        common to Neon and MVE.
        (ARM_BUILTIN_NEON_LANE_CHECK): Renamed to ARM_BUILTIN_SIMD_LANE_CHECK.
        (arm_init_simd_builtin_types): Disable poly types for MVE.
        (arm_init_neon_builtins): Move a check to arm_init_builtins function.
        (arm_init_builtins): Use ARM_BUILTIN_SIMD_LANE_CHECK instead of
        ARM_BUILTIN_NEON_LANE_CHECK.
        (mve_dereference_pointer): Add function.
        (arm_expand_builtin_args): Call to mve_dereference_pointer when MVE is
        enabled.
        (arm_expand_neon_builtin): Moved to arm_expand_builtin function.
        (arm_expand_builtin): Moved from arm_expand_neon_builtin function.
        * config/arm/arm-c.c (__ARM_FEATURE_MVE): Define macro for MVE and MVE
        with floating point enabled.
        * config/arm/arm-protos.h (neon_immediate_valid_for_move): Renamed to
        simd_immediate_valid_for_move.
        (simd_immediate_valid_for_move): Renamed from
        neon_immediate_valid_for_move function.
        * config/arm/arm.c (arm_options_perform_arch_sanity_checks): Generate
        error if vfpv2 feature bit is disabled and mve feature bit is also
        disabled for HARD_FLOAT_ABI.
        (use_return_insn): Check to not push VFP regs for MVE.
        (aapcs_vfp_allocate): Add MVE check to have same Procedure Call Standard
        as Neon.
        (aapcs_vfp_allocate_return_reg): Likewise.
        (thumb2_legitimate_address_p): Check to return 0 on valid Thumb-2
        address operand for MVE.
        (arm_rtx_costs_internal): MVE check to determine cost of rtx.
        (neon_valid_immediate): Rename to simd_valid_immediate.
        (simd_valid_immediate): Rename from neon_valid_immediate.
        (simd_valid_immediate): MVE check on size of vector is 128 bits.
        (neon_immediate_valid_for_move): Rename to
        simd_immediate_valid_for_move.
        (simd_immediate_valid_for_move): Rename from
        neon_immediate_valid_for_move.
        (neon_immediate_valid_for_logic): Modify call to neon_valid_immediate
        function.
        (neon_make_constant): Modify call to neon_valid_immediate function.
        (neon_vector_mem_operand): Return VFP register for POST_INC or PRE_DEC
        for MVE.
        (output_move_neon): Add MVE check to generate vldm/vstm instrcutions.
        (arm_compute_frame_layout): Calculate space for saved VFP registers for
        MVE.
        (arm_save_coproc_regs): Save coproc registers for MVE.
        (arm_print_operand): Add case 'E' to print memory operands for MVE.
        (arm_print_operand_address): Check to print register number for MVE.
        (arm_hard_regno_mode_ok): Check for arm hard regno mode ok for MVE.
        (arm_modes_tieable_p): Check to allow structure mode for MVE.
        (arm_regno_class): Add VPR_REGNUM check.
        (arm_expand_epilogue_apcs_frame): MVE check to calculate epilogue code
        for APCS frame.
        (arm_expand_epilogue): MVE check for enabling pop instructions in
        epilogue.
        (arm_print_asm_arch_directives): Modify function to disable print of
        .arch_extension "mve" and "fp" for cases where MVE is enabled with
        "SOFT FLOAT ABI".
        (arm_vector_mode_supported_p): Check for modes available in MVE interger
        and MVE floating point.
        (arm_array_mode_supported_p): Add TARGET_HAVE_MVE check for array mode
        pointer support.
        (arm_conditional_register_usage): Enable usage of conditional regsiter
        for MVE.
        (fixed_regs[VPR_REGNUM]): Enable VPR_REG for MVE.
        (arm_declare_function_name): Modify function to disable print of
        .arch_extension "mve" and "fp" for cases where MVE is enabled with
        "SOFT FLOAT ABI".
        * config/arm/arm.h (TARGET_HAVE_MVE): Disable for soft float abi and
        when target general registers are required.
        (TARGET_HAVE_MVE_FLOAT): Likewise.
        (FIXED_REGISTERS): Add bit for VFP_REG class which is enabled in arm.c
        for MVE.
        (CALL_USED_REGISTERS): Set bit for VFP_REG class in CALL_USED_REGISTERS
        which indicate this is not available for across function calls.
        (FIRST_PSEUDO_REGISTER): Modify.
        (VALID_MVE_MODE): Define valid MVE mode.
        (VALID_MVE_SI_MODE): Define valid MVE SI mode.
        (VALID_MVE_SF_MODE): Define valid MVE SF mode.
        (VALID_MVE_STRUCT_MODE): Define valid MVE struct mode.
        (VPR_REGNUM): Add Vector Predication Register in arm_regs_in_sequence
        for MVE.
        (IS_VPR_REGNUM): Macro to check for VPR_REG register.
        (REG_ALLOC_ORDER): Add VPR_REGNUM entry.
        (enum reg_class): Add VPR_REG entry.
        (REG_CLASS_NAMES): Add VPR_REG entry.
        * config/arm/arm.md (VPR_REGNUM): Define.
        (conds): Check is_mve_type attrbiute to differentiate "conditional" and
        "unconditional" instructions.
        (arm_movsf_soft_insn): Modify RTL to not allow for MVE.
        (movdf_soft_insn): Modify RTL to not allow for MVE.
        (vfp_pop_multiple_with_writeback): Enable for MVE.
        (include "mve.md"): Include mve.md file.
        * config/arm/arm_mve.h: Add MVE intrinsics head file.
        * config/arm/constraints.md (Up): Constraint to enable "p0" register in MVE
        for vector predicated operands.
        * config/arm/iterators.md (VNIM1): Define.
        (VNINOTM1): Define.
        (VHFBF_split): Define
        * config/arm/mve.md: New file.
        (mve_mov<mode>): Define RTL for move, store and load in MVE.
        (mve_mov<mode>): Define move RTL pattern with vec_duplicate operator for
        second operand.
        * config/arm/neon.md (neon_immediate_valid_for_move): Rename with
        simd_immediate_valid_for_move.
        (neon_mov<mode>): Split pattern and move expand pattern "movv8hf" which
        is common to MVE and  NEON to vec-common.md file.
        (vec_init<mode><V_elem_l>): Add TARGET_HAVE_MVE check.
        * config/arm/predicates.md (vpr_register_operand): Define.
        * config/arm/t-arm: Add mve.md file.
        * config/arm/types.md (mve_move): Add MVE instructions mve_move to
        attribute "type".
        (mve_store): Add MVE instructions mve_store to attribute "type".
        (mve_load): Add MVE instructions mve_load to attribute "type".
        (is_mve_type): Define attribute.
        * config/arm/vec-common.md (mov<mode>): Modify RTL expand to support
        standard move patterns in MVE along with NEON and IWMMXT with mode
        iterator VNIM1.
        (mov<mode>): Modify RTL expand to support standard move patterns in NEON
        and IWMMXT with mode iterator V8HF.
        (movv8hf): Define RTL expand to support standard "movv8hf" pattern in
        NEON and MVE.
        * config/arm/vfp.md (neon_immediate_valid_for_move): Rename to
        simd_immediate_valid_for_move.


2020-03-16  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/89229
        * config/i386/i386.md (*movsi_internal): Call ix86_output_ssemov
        for TYPE_SSEMOV.  Remove ext_sse_reg_operand and TARGET_AVX512VL
        check.
        * config/i386/predicates.md (ext_sse_reg_operand): Removed.

2020-03-16  Jakub Jelinek  <jakub@redhat.com>

        PR debug/94167
        * tree-inline.c (insert_init_stmt): Don't gimple_regimplify_operands
        DEBUG_STMTs.

        PR tree-optimization/94166
        * tree-ssa-reassoc.c (sort_by_mach_mode): Use SSA_NAME_VERSION
        as secondary comparison key.

2020-03-16  Bin Cheng  <bin.cheng@linux.alibaba.com>

        PR tree-optimization/94125
        * tree-loop-distribution.c
        (loop_distribution::break_alias_scc_partitions): Update post order
        number for merged scc.

2020-03-15  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/89229
        * config/i386/i386.c (ix86_output_ssemov): Handle MODE_SI and
        MODE_SF.
        * config/i386/i386.md (*movsf_internal): Call ix86_output_ssemov
        for TYPE_SSEMOV.  Remove TARGET_PREFER_AVX256, TARGET_AVX512VL
        and ext_sse_reg_operand check.

2020-03-15  Lewis Hyatt  <lhyatt@gmail.com>

        * common.opt: Avoid redundancy in the help text.
        * config/arc/arc.opt: Likewise.
        * config/cr16/cr16.opt: Likewise.

2020-03-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/93566
        * tree-nested.c (convert_nonlocal_omp_clauses,
        convert_local_omp_clauses): Handle {,in_,task_}reduction clauses
        with C/C++ array sections.

2020-03-14  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/89229
        * config/i386/i386.md (*movdi_internal): Call ix86_output_ssemov
        for TYPE_SSEMOV.  Remove ext_sse_reg_operand and TARGET_AVX512VL
        check.

2020-03-14  Jakub Jelinek  <jakub@redhat.com>

        * gimple-fold.c (gimple_fold_builtin_strncpy): Change
        "a an" to "an" in a comment.
        * hsa-common.h (is_a_helper): Likewise.
        * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Likewise.
        * config/arc/arc.c (arc600_corereg_hazard): Likewise.
        * config/s390/s390.c (s390_indirect_branch_via_thunk): Likewise.

2020-03-13  Aaron Sawdey  <acsawdey@linux.ibm.com>

        PR target/92379
        * config/rs6000/rs6000.c (num_insns_constant_multi): Don't shift a
        64-bit value by 64 bits (UB).

2020-03-13  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/92303
        * lra-spills.c (remove_pseudos): Try to simplify memory subreg.

2020-03-13  Segher Boessenkool  <segher@kernel.crashing.org>

        PR rtl-optimization/94148
        PR rtl-optimization/94042
        * df-core.c (BB_LAST_CHANGE_AGE): Delete.
        (df_worklist_propagate_forward): New parameter last_change_age, use
        that instead of bb->aux.
        (df_worklist_propagate_backward): Ditto.
        (df_worklist_dataflow_doublequeue): Use a local array last_change_age.

2020-03-13  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/94163
        * tree-ssa-pre.c (create_expression_by_pieces): Check
        whether alignment would be zero.

2020-03-13  Martin Liska  <mliska@suse.cz>

        PR lto/94157
        * lto-wrapper.c (run_gcc): Use concat for appending
        to collect_gcc_options.

2020-03-13  Jakub Jelinek  <jakub@redhat.com>

        PR target/94121
        * config/aarch64/aarch64.c (aarch64_add_offset_1): Use gen_int_mode
        instead of GEN_INT.

2020-03-13  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/89229
        * config/i386/i386.c (ix86_output_ssemov): Handle MODE_DF.
        * config/i386/i386.md (*movdf_internal): Call ix86_output_ssemov
        for TYPE_SSEMOV.  Remove TARGET_AVX512F, TARGET_PREFER_AVX256,
        TARGET_AVX512VL and ext_sse_reg_operand check.

2020-03-13  Bu Le  <bule1@huawei.com>

        PR target/94154
        * config/aarch64/aarch64.opt (-param=aarch64-float-recp-precision=)
        (-param=aarch64-double-recp-precision=): New options.
        * doc/invoke.texi: Document them.
        * config/aarch64/aarch64.c (aarch64_emit_approx_div): Use them
        instead of hard-coding the choice of 1 for float and 2 for double.

2020-03-13  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/94119
        * resource.h (clear_hashed_info_until_next_barrier): Declare.
        * resource.c (clear_hashed_info_until_next_barrier): New function.
        * reorg.c (add_to_delay_list): Fix formatting.
        (relax_delay_slots): Call clear_hashed_info_until_next_barrier on
        the next instruction after removing a BARRIER.

2020-03-13  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/92071
        * expmed.c (store_integral_bit_field): For fields larger than a word,
        call extract_bit_field on the value if the mode is BLKmode.  Remove
        specific path for big-endian targets and tidy things up a little bit.

2020-03-12  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/90275
        * cse.c (cse_insn): Delete no-op register moves too.

2020-03-12  Darius Galis  <darius.galis@cyberthorstudios.com>

        * config/rx/rx.md (CTRLREG_CPEN): Remove.
        * config/rx/rx.c (rx_print_operand): Remove CTRLREG_CPEN support.

2020-03-12  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/94103
        * tree-ssa-sccvn.c (visit_reference_op_load): Avoid type
        punning when the mode precision is not sufficient.

2020-03-12  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/89229
        * config/i386/i386.c (ix86_output_ssemov): Handle MODE_DI,
        MODE_V1DF and MODE_V2SF.
        * config/i386/mmx.md (MMXMODE:*mov<mode>_internal): Call
        ix86_output_ssemov for TYPE_SSEMOV.  Remove ext_sse_reg_operand
        check.

2020-03-12  Jakub Jelinek  <jakub@redhat.com>

        * doc/tm.texi.in (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Change
        ASM_OUTPUT_ALIGNED_DECL in description to ASM_OUTPUT_ALIGNED_LOCAL
        and ASM_OUTPUT_DECL to ASM_OUTPUT_LOCAL.
        * doc/tm.texi: Regenerated.

        PR tree-optimization/94130
        * tree-ssa-dse.c: Include gimplify.h.
        (increment_start_addr): If stmt has lhs, drop the lhs from call and
        set it after the call to the original value of the first argument.
        Formatting fixes.
        (decrement_count): Formatting fix.

2020-03-11  Delia Burduv  <delia.burduv@arm.com>

        * config/arm/arm-builtins.c
        (arm_init_simd_builtin_scalar_types): New.
        * config/arm/arm_neon.h (vld2_bf16): Used new builtin type.
        (vld2q_bf16): Used new builtin type.
        (vld3_bf16): Used new builtin type.
        (vld3q_bf16): Used new builtin type.
        (vld4_bf16): Used new builtin type.
        (vld4q_bf16): Used new builtin type.
        (vld2_dup_bf16): Used new builtin type.
        (vld2q_dup_bf16): Used new builtin type.
        (vld3_dup_bf16): Used new builtin type.
        (vld3q_dup_bf16): Used new builtin type.
        (vld4_dup_bf16): Used new builtin type.
        (vld4q_dup_bf16): Used new builtin type.

2020-03-11  Jakub Jelinek  <jakub@redhat.com>

        PR target/94134
        * config/pdp11/pdp11.c (pdp11_asm_output_var): Call switch_to_section
        at the start to switch to data section.  Don't print extra newline if
        .globl directive has not been emitted.

2020-03-11  Richard Biener  <rguenther@suse.de>

        * match.pd ((T *)(ptr - ptr-cst) -> &MEM[ptr + -ptr-cst]):
        New pattern.

2020-03-11  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/93961
        * tree.c (variably_modified_type_p) <RECORD_TYPE>: Recurse into fields
        whose type is a qualified union.

2020-03-11  Jakub Jelinek  <jakub@redhat.com>

        PR target/94121
        * config/aarch64/aarch64.c (aarch64_add_offset_1): Use absu_hwi
        instead of abs_hwi, change moffset type to unsigned HOST_WIDE_INT.

        PR bootstrap/93962
        * value-prof.c (dump_histogram_value): Use abs_hwi instead of
        std::abs.
        (get_nth_most_common_value): Use abs_hwi instead of abs.

        PR middle-end/94111
        * dfp.c (decimal_to_binary): Only use decimal128ToString if from->cl
        is rvc_normal, otherwise use real_to_decimal to print the number to
        string.

        PR tree-optimization/94114
        * tree-loop-distribution.c (generate_memset_builtin): Call
        rewrite_to_non_trapping_overflow even on mem.
        (generate_memcpy_builtin): Call rewrite_to_non_trapping_overflow even
        on dest and src.

2020-03-10  Jeff Law  <law@redhat.com>

        * config/bfin/bfin.md (movsi_insv): Add length attribute.

2020-03-10  Jiufu Guo  <guojiufu@linux.ibm.com>

        PR target/93709
        * config/rs6000/rs6000.c (rs6000_emit_p9_fp_minmax): Check
        NAN and SIGNED_ZEROR for smax/smin.

2020-03-10  Will Schmidt  <will_schmidt@vnet.ibm.com>

        PR target/90763
        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
        clause to handle P9V_BUILTIN_VEC_LXVL with const arguments.

2020-03-10  Roman Zhuykov  <zhroma@ispras.ru>

        * loop-iv.c (find_simple_exit): Make it static.
        * cfgloop.h: Remove the corresponding prototype.

2020-03-10  Roman Zhuykov  <zhroma@ispras.ru>

        * ddg.c (create_ddg): Fix intendation.
        (set_recurrence_length): Likewise.
        (create_ddg_all_sccs): Likewise.

2020-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR target/94088
        * config/i386/i386.md (*testqi_ext_3): Call ix86_match_ccmode with
        CCZmode instead of CCNOmode if operands[2] has DImode and pos + len
        is 32.

2020-03-09  Jason Merrill  <jason@redhat.com>

        * gdbinit.in (pgs): Fix typo in documentation.

2020-03-09  Vladimir Makarov  <vmakarov@redhat.com>

        Revert:

        2020-02-28  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/93564
        * ira-color.c (assign_hard_reg): Prefer smaller hard regno when we
        do not honor reg alloc order.

2020-03-09  Andrew Pinski  <apinski@marvell.com>

        PR inline-asm/94095
        * doc/extend.texi (x86 Operand Modifiers): Fix column
        for 'A' modifier.

2020-03-09  Martin Liska  <mliska@suse.cz>

        PR target/93800
        * config/rs6000/rs6000.c (rs6000_option_override_internal):
        Remove set of str_align_loops and str_align_jumps as these
        should be set in previous 2 conditions in the function.

2020-03-09  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/94045
        * params.opt (-param=max-find-base-term-values=): New option.
        * alias.c (find_base_term): Add cut-off for number of visited VALUEs
        in a single toplevel find_base_term call.

2020-03-06  Wilco Dijkstra  <wdijkstr@arm.com>

        PR target/91598
        * config/aarch64/aarch64-builtins.c (TYPES_TERNOPU_LANE): Add define.
        * config/aarch64/aarch64-simd.md
        (aarch64_vec_<su>mult_lane<Qlane>): Add new insn for widening lane mul.
        (aarch64_vec_<su>mlal_lane<Qlane>): Likewise.
        * config/aarch64/aarch64-simd-builtins.def: Add intrinsics.
        * config/aarch64/arm_neon.h:
        (vmlal_lane_s16): Expand using intrinsics rather than inline asm.
        (vmlal_lane_u16): Likewise.
        (vmlal_lane_s32): Likewise.
        (vmlal_lane_u32): Likewise.
        (vmlal_laneq_s16): Likewise.
        (vmlal_laneq_u16): Likewise.
        (vmlal_laneq_s32): Likewise.
        (vmlal_laneq_u32): Likewise.
        (vmull_lane_s16): Likewise.
        (vmull_lane_u16): Likewise.
        (vmull_lane_s32): Likewise.
        (vmull_lane_u32): Likewise.
        (vmull_laneq_s16): Likewise.
        (vmull_laneq_u16): Likewise.
        (vmull_laneq_s32): Likewise.
        (vmull_laneq_u32): Likewise.
        * config/aarch64/iterators.md (Vcondtype): New iterator for lane mul.
        (Qlane): Likewise.

2020-03-06  Wilco Dijkstra  <wdijkstr@arm.com>

        * aarch64/aarch64-simd.md (aarch64_mla_elt<mode>): Correct lane syntax.
        (aarch64_mla_elt_<vswap_width_name><mode>): Likewise.
        (aarch64_mls_elt<mode>): Likewise.
        (aarch64_mls_elt_<vswap_width_name><mode>): Likewise.
        (aarch64_fma4_elt<mode>): Likewise.
        (aarch64_fma4_elt_<vswap_width_name><mode>): Likewise.
        (aarch64_fma4_elt_to_64v2df): Likewise.
        (aarch64_fnma4_elt<mode>): Likewise.
        (aarch64_fnma4_elt_<vswap_width_name><mode>): Likewise.
        (aarch64_fnma4_elt_to_64v2df): Likewise.

2020-03-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

        * config/aarch64/aarch64-sve2.md (@aarch64_sve_<sve_int_op><mode>:
        Specify movprfx attribute.
        (@aarch64_sve_<sve_int_op>_lane_<mode>): Likewise.

2020-03-06  David Edelsohn  <dje.gcc@gmail.com>

        PR target/94065
        * config/rs6000/aix61.h (TARGET_NO_SUM_IN_TOC): Set to 1 for
        cmodel=large.
        (TARGET_NO_FP_IN_TOC): Same.
        * config/rs6000/aix71.h: Same.
        * config/rs6000/aix72.h: Same.

2020-03-06  Andrew Pinski  <apinski@marvell.com>
            Jeff Law  <law@redhat.com>

        PR rtl-optimization/93996
        * haifa-sched.c (remove_notes): Be more careful when adding
        REG_SAVE_NOTE.

2020-03-06  Delia Burduv  <delia.burduv@arm.com>

        * config/arm/arm_neon.h (vld2_bf16): New.
        (vld2q_bf16): New.
        (vld3_bf16): New.
        (vld3q_bf16): New.
        (vld4_bf16): New.
        (vld4q_bf16): New.
        (vld2_dup_bf16): New.
        (vld2q_dup_bf16): New.
        (vld3_dup_bf16): New.
        (vld3q_dup_bf16): New.
        (vld4_dup_bf16): New.
        (vld4q_dup_bf16): New.
        * config/arm/arm_neon_builtins.def
        (vld2): Changed to VAR13 and added v4bf, v8bf
        (vld2_dup): Changed to VAR8 and added v4bf, v8bf
        (vld3): Changed to VAR13 and added v4bf, v8bf
        (vld3_dup): Changed to VAR8 and added v4bf, v8bf
        (vld4): Changed to VAR13 and added v4bf, v8bf
        (vld4_dup): Changed to VAR8 and added v4bf, v8bf
        * config/arm/iterators.md (VDXBF2): New iterator.
        *config/arm/neon.md (neon_vld2): Use new iterators.
        (neon_vld2_dup<mode): Use new iterators.
        (neon_vld3<mode>): Likewise.
        (neon_vld3qa<mode>): Likewise.
        (neon_vld3qb<mode>): Likewise.
        (neon_vld3_dup<mode>): Likewise.
        (neon_vld4<mode>): Likewise.
        (neon_vld4qa<mode>): Likewise.
        (neon_vld4qb<mode>): Likewise.
        (neon_vld4_dup<mode>): Likewise.
        (neon_vld2_dupv8bf): New.
        (neon_vld3_dupv8bf): Likewise.
        (neon_vld4_dupv8bf): Likewise.

2020-03-06  Delia Burduv  <delia.burduv@arm.com>

        * config/arm/arm_neon.h (bfloat16x4x2_t): New typedef.
        (bfloat16x8x2_t): New typedef.
        (bfloat16x4x3_t): New typedef.
        (bfloat16x8x3_t): New typedef.
        (bfloat16x4x4_t): New typedef.
        (bfloat16x8x4_t): New typedef.
        (vst2_bf16): New.
        (vst2q_bf16): New.
        (vst3_bf16): New.
        (vst3q_bf16): New.
        (vst4_bf16): New.
        (vst4q_bf16): New.
        * config/arm/arm-builtins.c (v2bf_UP): Define.
        (VAR13): New.
        (arm_init_simd_builtin_types): Init Bfloat16x2_t eltype.
        * config/arm/arm-modes.def (V2BF): New mode.
        * config/arm/arm-simd-builtin-types.def
        (Bfloat16x2_t): New entry.
        * config/arm/arm_neon_builtins.def
        (vst2): Changed to VAR13 and added v4bf, v8bf
        (vst3): Changed to VAR13 and added v4bf, v8bf
        (vst4): Changed to VAR13 and added v4bf, v8bf
        * config/arm/iterators.md (VDXBF): New iterator.
        (VQ2BF): New iterator.
        *config/arm/neon.md (neon_vst2<mode>): Used new iterators.
        (neon_vst2<mode>): Used new iterators.
        (neon_vst3<mode>): Used new iterators.
        (neon_vst3<mode>): Used new iterators.
        (neon_vst3qa<mode>): Used new iterators.
        (neon_vst3qb<mode>): Used new iterators.
        (neon_vst4<mode>): Used new iterators.
        (neon_vst4<mode>): Used new iterators.
        (neon_vst4qa<mode>): Used new iterators.
        (neon_vst4qb<mode>): Used new iterators.

2020-03-06  Delia Burduv  <delia.burduv@arm.com>

        * config/aarch64/aarch64-simd-builtins.def
        (bfcvtn): New built-in function.
        (bfcvtn_q): New built-in function.
        (bfcvtn2): New built-in function.
        (bfcvt): New built-in function.
        * config/aarch64/aarch64-simd.md
        (aarch64_bfcvtn<q><mode>): New pattern.
        (aarch64_bfcvtn2v8bf): New pattern.
        (aarch64_bfcvtbf): New pattern.
        * config/aarch64/arm_bf16.h (float32_t): New typedef.
        (vcvth_bf16_f32): New intrinsic.
        * config/aarch64/arm_bf16.h (vcvt_bf16_f32): New intrinsic.
        (vcvtq_low_bf16_f32): New intrinsic.
        (vcvtq_high_bf16_f32): New intrinsic.
        * config/aarch64/iterators.md (V4SF_TO_BF): New mode iterator.
        (UNSPEC_BFCVTN): New UNSPEC.
        (UNSPEC_BFCVTN2): New UNSPEC.
        (UNSPEC_BFCVT): New UNSPEC.
        * config/arm/types.md (bf_cvt): New type.

2020-03-06  Andreas Krebbel  <krebbel@linux.ibm.com>

        * config/s390/s390.md ("tabort"): Get rid of two consecutive
        blanks in format string.

2020-03-05  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/89229
        PR target/89346
        * config/i386/i386-protos.h (ix86_output_ssemov): New prototype.
        * config/i386/i386.c (ix86_get_ssemov): New function.
        (ix86_output_ssemov): Likewise.
        * config/i386/sse.md (VMOVE:mov<mode>_internal): Call
        ix86_output_ssemov for TYPE_SSEMOV.  Remove TARGET_AVX512VL
        check.
        (*movxi_internal_avx512f): Call ix86_output_ssemov for TYPE_SSEMOV.
        (*movoi_internal_avx): Call ix86_output_ssemov for TYPE_SSEMOV.
        Remove ext_sse_reg_operand and TARGET_AVX512VL check.
        (*movti_internal): Likewise.
        (*movtf_internal): Call ix86_output_ssemov for TYPE_SSEMOV.

2020-03-05  Jeff Law  <law@redhat.com>

        PR tree-optimization/91890
        * gimple-ssa-warn-restrict.c (maybe_diag_overlap): Remove LOC argument.
        Use gimple_or_expr_nonartificial_location.
        (check_bounds_overlap): Drop LOC argument to maybe_diag_access_bounds.
        Use gimple_or_expr_nonartificial_location.
        * gimple.c (gimple_or_expr_nonartificial_location): New function.
        * gimple.h (gimple_or_expr_nonartificial_location): Declare it.
        * tree-ssa-strlen.c (maybe_warn_overflow): Use
        gimple_or_expr_nonartificial_location.
        (maybe_diag_stxncpy_trunc, handle_builtin_stxncpy_strncat): Likewise.
        (maybe_warn_pointless_strcmp): Likewise.

2020-03-05  Jakub Jelinek  <jakub@redhat.com>

        PR target/94046
        * config/i386/avx2intrin.h (_mm_mask_i32gather_ps): Fix first cast of
        SRC and MASK arguments to __m128 from __m128d.
        (_mm256_mask_i32gather_ps): Fix first cast of MASK argument to __m256
        from __m256d.
        (_mm_mask_i64gather_ps): Fix first cast of MASK argument to __m128
        from __m128d.
        * config/i386/xopintrin.h (_mm_permute2_pd): Fix first cast of C
        argument to __m128i from __m128d.
        (_mm256_permute2_pd): Fix first cast of C argument to __m256i from
        __m256d.
        (_mm_permute2_ps): Fix first cast of C argument to __m128i from __m128.
        (_mm256_permute2_ps): Fix first cast of C argument to __m256i from
        __m256.

2020-03-05  Delia Burduv  <delia.burduv@arm.com>

        * config/arm/arm_neon.h (vbfmmlaq_f32): New.
        (vbfmlalbq_f32): New.
        (vbfmlaltq_f32): New.
        (vbfmlalbq_lane_f32): New.
        (vbfmlaltq_lane_f32): New.
        (vbfmlalbq_laneq_f32): New.
        (vbfmlaltq_laneq_f32): New.
        * config/arm/arm_neon_builtins.def (vmmla): New.
        (vfmab): New.
        (vfmat): New.
        (vfmab_lane): New.
        (vfmat_lane): New.
        (vfmab_laneq): New.
        (vfmat_laneq): New.
        * config/arm/iterators.md (BF_MA): New int iterator.
        (bt): New int attribute.
        (VQXBF): Copy of VQX with V8BF.
        * config/arm/neon.md (neon_vmmlav8bf): New insn.
        (neon_vfma<bt>v8bf): New insn.
        (neon_vfma<bt>_lanev8bf): New insn.
        (neon_vfma<bt>_laneqv8bf): New expand.
        (neon_vget_high<mode>): Changed iterator to VQXBF.
        * config/arm/unspecs.md (UNSPEC_BFMMLA): New UNSPEC.
        (UNSPEC_BFMAB): New UNSPEC.
        (UNSPEC_BFMAT): New UNSPEC.

2020-03-05  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/93399
        * tree-pretty-print.h (pretty_print_string): Declare.
        * tree-pretty-print.c (pretty_print_string): Remove forward
        declaration, no longer static.  Change nbytes parameter type
        from unsigned to size_t.
        * print-rtl.c (print_value) <case CONST_STRING>: Use
        pretty_print_string and for shrink way too long strings.

2020-03-05  Richard Biener  <rguenther@suse.de>
            Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/93582
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Treat POINTER_PLUS_EXPR
        last operand as signed when looking for memset offset.  Formatting
        fix.

2020-03-04  Andrew Pinski  <apinski@marvell.com>

        PR bootstrap/93962
        * value-prof.c (dump_histogram_value): Use std::abs.

2020-03-04  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/93986
        * tree-ssa-strlen.c (maybe_warn_overflow): Convert all wide_int
        operands to the same precision widest_int to avoid ICEs.

2020-03-04  Bill Schmidt  <wschmidt@linux.ibm.com>

        PR target/87560
        * rs6000-cpus.def (OTHER_ALTIVEC_MASKS): New #define.
        * rs6000.c (rs6000_disable_incompatible_switches): Add table entry
        for OPTION_MASK_ALTIVEC.

2020-03-04  Andreas Krebbel  <krebbel@linux.ibm.com>

        * config.gcc: Include the glibc-stdint.h header for zTPF.

2020-03-04  Andreas Krebbel  <krebbel@linux.ibm.com>

        * config/s390/s390.c (s390_secondary_memory_needed): Disallow
        direct FPR-GPR copies.
        (s390_register_info_gprtofpr): Disallow GPR content to be saved in
        FPRs.

2020-03-04  Andreas Krebbel  <krebbel@linux.ibm.com>

        * config/s390/s390.c (s390_emit_prologue): Specify the 2 new
        operands to the prologue_tpf expander.
        (s390_emit_epilogue): Likewise.
        (s390_option_override_internal): Do error checking and setup for
        the new options.
        * config/s390/tpf.h (TPF_TRACE_PROLOGUE_CHECK)
        (TPF_TRACE_EPILOGUE_CHECK, TPF_TRACE_PROLOGUE_TARGET)
        (TPF_TRACE_EPILOGUE_TARGET, TPF_TRACE_PROLOGUE_SKIP_TARGET)
        (TPF_TRACE_EPILOGUE_SKIP_TARGET): New macro definitions.
        * config/s390/tpf.md ("prologue_tpf", "epilogue_tpf"): Add two new
        operands for the check flag and the branch target.
        * config/s390/tpf.opt ("mtpf-trace-hook-prologue-check")
        ("mtpf-trace-hook-prologue-target")
        ("mtpf-trace-hook-epilogue-check")
        ("mtpf-trace-hook-epilogue-target", "mtpf-trace-skip"): New
        options.
        * doc/invoke.texi: Document -mtpf-trace-skip option. The other
        options are for debugging purposes and will not be documented
        here.

2020-03-04  Jakub Jelinek  <jakub@redhat.com>

        PR debug/93888
        * tree-inline.c (copy_decl_to_var): Copy DECL_BY_REFERENCE flag.

        * tree-ssa-sccvn.c (vn_walk_cb_data::push_partial_def): Add offseti
        argument.  Change pd argument so that it can be modified.  Turn
        constant non-CONSTRUCTOR store into non-constant if it is too large.
        Adjust offset and size of CONSTRUCTOR or non-constant store to avoid
        overflows.
        (vn_walk_cb_data::vn_walk_cb_data, vn_reference_lookup_3): Adjust
        callers.

2020-02-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/93964
        * graphite-isl-ast-to-gimple.c
        (gcc_expression_from_isl_ast_expr_id): Add intermediate
        conversion for pointer to integer converts.
        * graphite-scop-detection.c (assign_parameter_index_in_region):
        Relax assert.

2020-03-04  Martin Liska  <mliska@suse.cz>

        PR c/93886
        PR c/93887
        * doc/invoke.texi: Clarify --help=language and --help=common
        interaction.

2020-03-04  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/94001
        * tree-tailcall.c (process_assignment): Before comparing op1 to
        *ass_var, verify *ass_var is non-NULL.

2020-03-04  Kito Cheng  <kito.cheng@sifive.com>

        PR target/93995
        * config/riscv/riscv.c (riscv_emit_float_compare): Using NE to compare
        the result of IOR.

2020-03-03  Dennis Zhang  <dennis.zhang@arm.com>

        * config/arm/arm_bf16.h (vcvtah_f32_bf16, vcvth_bf16_f32): New.
        * config/arm/arm_neon.h (vcvt_f32_bf16, vcvtq_low_f32_bf16): New.
        (vcvtq_high_f32_bf16, vcvt_bf16_f32): New.
        (vcvtq_low_bf16_f32, vcvtq_high_bf16_f32): New.
        * config/arm/arm_neon_builtins.def (vbfcvt, vbfcvt_high): New entries.
        (vbfcvtv4sf, vbfcvtv4sf_high): Likewise.
        * config/arm/iterators.md (VBFCVT, VBFCVTM): New mode iterators.
        (V_bf_low, V_bf_cvt_m): New mode attributes.
        * config/arm/neon.md (neon_vbfcvtv4sf<VBFCVT:mode>): New.
        (neon_vbfcvtv4sf_highv8bf, neon_vbfcvtsf): New.
        (neon_vbfcvt<VBFCVT:mode>, neon_vbfcvt_highv8bf): New.
        (neon_vbfcvtbf_cvtmode<mode>, neon_vbfcvtbf): New
        * config/arm/unspecs.md (UNSPEC_BFCVT, UNSPEC_BFCVT_HIG): New.

2020-03-03  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/93582
        * tree-ssa-sccvn.h (vn_reference_lookup): Add mask argument.
        * tree-ssa-sccvn.c (struct vn_walk_cb_data): Add mask and masked_result
        members, initialize them in the constructor and if mask is non-NULL,
        artificially push_partial_def {} for the portions of the mask that
        contain zeros.
        (vn_walk_cb_data::finish): If mask is non-NULL, set masked_result to
        val and return (void *)-1.  Formatting fix.
        (vn_reference_lookup_pieces): Adjust vn_walk_cb_data initialization.
        Formatting fix.
        (vn_reference_lookup): Add mask argument.  If non-NULL, don't call
        fully_constant_vn_reference_p nor vn_reference_lookup_1 and return
        data.mask_result.
        (visit_nary_op): Handle BIT_AND_EXPR of a memory load and INTEGER_CST
        mask.
        (visit_stmt): Formatting fix.

2020-03-03  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/93946
        * alias.h (refs_same_for_tbaa_p): Declare.
        * alias.c (refs_same_for_tbaa_p): New function.
        * tree-ssa-alias.c (ao_ref_alias_set): For a NULL ref return
        zero.
        * tree-ssa-scopedtables.h
        (avail_exprs_stack::lookup_avail_expr): Add output argument
        giving access to the hashtable entry.
        * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
        Likewise.
        * tree-ssa-dom.c: Include alias.h.
        (dom_opt_dom_walker::optimize_stmt): Validate TBAA state before
        removing redundant store.
        * tree-ssa-sccvn.h (vn_reference_s::base_set): New member.
        (ao_ref_init_from_vn_reference): Adjust prototype.
        (vn_reference_lookup_pieces): Likewise.
        (vn_reference_insert_pieces): Likewise.
        * tree-ssa-sccvn.c: Track base alias set in addition to alias
        set everywhere.
        (eliminate_dom_walker::eliminate_stmt): Also check base alias
        set when removing redundant stores.
        (visit_reference_op_store): Likewise.
        * dse.c (record_store): Adjust valdity check for redundant
        store removal.

2020-03-03  Jakub Jelinek  <jakub@redhat.com>

        PR target/26877
        * config/s390/s390.h (OPTION_DEFAULT_SPECS): Reorder.

        PR rtl-optimization/94002
        * explow.c (plus_constant): Punt if cst has VOIDmode and
        get_pool_mode is different from mode.

2020-03-03  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (leigitimate_small_data_address_p): Check if an
        address has an offset which fits the scalling constraint for a
        load/store operation.
        (legitimate_scaled_address_p): Update use
        leigitimate_small_data_address_p.
        (arc_print_operand): Likewise.
        (arc_legitimate_address_p): Likewise.
        (legitimate_small_data_address_p): Likewise.

2020-03-03  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.md (fmasf4_fpu): Use accl_operand predicate.
        (fnmasf4_fpu): Likewise.

2020-03-03  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.md (adddi3): Early expand the 64bit operation into
        32bit ops.
        (subdi3): Likewise.
        (adddi3_i): Remove pattern.
        (subdi3_i): Likewise.

2020-03-03  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.md (eh_return): Add length info.

2020-03-02  David Malcolm  <dmalcolm@redhat.com>

        * doc/invoke.texi (-fanalyzer-show-duplicate-count): New.

2020-03-02  David Malcolm  <dmalcolm@redhat.com>

        * doc/invoke.texi (Static Analyzer Options): Add
        -Wanalyzer-stale-setjmp-buffer to the list of options enabled
        by -fanalyzer.

2020-03-02  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/93997
        * config/i386/i386.md (movstrict<mode>): Allow only
        registers with VALID_INT_MODE_P modes.

2020-03-02  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (dpp_move<mode>): New.
        (reduc_insn): Use 'U' and 'B' operand codes.
        (reduc_<reduc_op>_scal_<mode>): Allow all types.
        (reduc_<reduc_op>_scal_v64di): Delete.
        (*<reduc_op>_dpp_shr_<mode>): Allow all 1reg types.
        (*plus_carry_dpp_shr_v64si): Change to ...
        (*plus_carry_dpp_shr_<mode>): ... this and allow all 1reg int types.
        (mov_from_lane63_v64di): Change to ...
        (mov_from_lane63_<mode>): ... this, and allow all 64-bit modes.
        * config/gcn/gcn.c (gcn_expand_dpp_shr_insn): Increase buffer size.
        Support UNSPEC_MOV_DPP_SHR output formats.
        (gcn_expand_reduc_scalar): Add "use_moves" reductions.
        Add "use_extends" reductions.
        (print_operand_address): Add 'I' and 'U' codes.
        * config/gcn/gcn.md (unspec): Add UNSPEC_MOV_DPP_SHR.

2020-03-02  Martin Liska  <mliska@suse.cz>

        * lto-wrapper.c: Fix typo in comment about
        C++ standard version.

2020-03-01  Martin Sebor  <msebor@redhat.com>

        PR c++/92721
        * calls.c (init_attr_rdwr_indices): Correctly handle attribute.

2020-03-01  Martin Sebor  <msebor@redhat.com>

        PR middle-end/93829
        * tree-ssa-strlen.c (count_nonzero_bytes): Set the size to that
          of a pointer in the outermost ADDR_EXPRs.

2020-02-28  Jeff Law  <law@redhat.com>

        * config/v850/v850.h (STATIC_CHAIN_REGNUM): Change to r19.
        * config/v850/v850.c (v850_asm_trampoline_template): Update
        accordingly.

2020-02-28  Michael Meissner  <meissner@linux.ibm.com>

        PR target/93937
        * config/rs6000/vsx.md (vsx_extract_<mode>_<VS_scalar>mode_var):
        Delete insn.

2020-02-28  Martin Liska  <mliska@suse.cz>

        PR other/93965
        * configure.ac: Improve detection of ld_date by requiring
        either two dashes or none.
        * configure: Regenerate.

2020-02-28  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/93564
        * ira-color.c (assign_hard_reg): Prefer smaller hard regno when we
        do not honor reg alloc order.

2020-02-27  Joel Hutton  <Joel.Hutton@arm.com>

        PR target/87612
        * config/aarch64/aarch64.c (aarch64_override_options): Fix
        misleading warning string.

2020-02-27  Martin Sebor  <msebor@redhat.com>

        * doc/invoke.texi (-Wbuiltin-declaration-mismatch): Fix a typo.

2020-02-27  Michael Meissner  <meissner@linux.ibm.com>

        PR target/93932
        * config/rs6000/vsx.md (vsx_extract_<mode>_var, VSX_D iterator):
        Split the insn into two parts.  This insn only does variable
        extract from a register.
        (vsx_extract_<mode>_var_load, VSX_D iterator): New insn, do
        variable extract from memory.
        (vsx_extract_v4sf_var): Split the insn into two parts.  This insn
        only does variable extract from a register.
        (vsx_extract_v4sf_var_load): New insn, do variable extract from
        memory.
        (vsx_extract_<mode>_var, VSX_EXTRACT_I iterator): Split the insn
        into two parts.  This insn only does variable extract from a
        register.
        (vsx_extract_<mode>_var_load, VSX_EXTRACT_I iterator): New insn,
        do variable extract from memory.

2020-02-27  Martin Jambor  <mjambor@suse.cz>
            Feng Xue  <fxue@os.amperecomputing.com>

        PR ipa/93707
        * ipa-cp.c (same_node_or_its_all_contexts_clone_p): Replaced with
        new function calls_same_node_or_its_all_contexts_clone_p.
        (cgraph_edge_brings_value_p): Use it.
        (cgraph_edge_brings_value_p): Likewise.
        (self_recursive_pass_through_p): Return false if caller is a clone.
        (self_recursive_agg_pass_through_p): Likewise.

2020-02-27  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/92152
        * alias.c (ends_tbaa_access_path_p): Break out from ...
        (component_uses_parent_alias_set_from): ... here.
        * alias.h (ends_tbaa_access_path_p): Declare.
        * tree-ssa-alias.c (access_path_may_continue_p): Break out from ...;
        handle trailing arrays past end of tbaa access path.
        (aliasing_component_refs_p): ... here; likewise.
        (nonoverlapping_refs_since_match_p): Track TBAA segment of the access
        path; disambiguate also past end of it.
        (nonoverlapping_component_refs_p): Use only TBAA segment of the access
        path.

2020-02-27  Mihail Ionescu  <mihail.ionescu@arm.com>

        * (__ARM_NUM_LANES, __arm_lane, __arm_lane_q): Move to the
        beginning of the file.
        (vcreate_bf16, vcombine_bf16): New.
        (vdup_n_bf16, vdupq_n_bf16): New.
        (vdup_lane_bf16, vdup_laneq_bf16): New.
        (vdupq_lane_bf16, vdupq_laneq_bf16): New.
        (vduph_lane_bf16, vduph_laneq_bf16): New.
        (vset_lane_bf16, vsetq_lane_bf16): New.
        (vget_lane_bf16, vgetq_lane_bf16): New.
        (vget_high_bf16, vget_low_bf16): New.
        (vreinterpret_bf16_u8, vreinterpretq_bf16_u8): New.
        (vreinterpret_bf16_u16, vreinterpretq_bf16_u16): New.
        (vreinterpret_bf16_u32, vreinterpretq_bf16_u32): New.
        (vreinterpret_bf16_u64, vreinterpretq_bf16_u64): New.
        (vreinterpret_bf16_s8, vreinterpretq_bf16_s8): New.
        (vreinterpret_bf16_s16, vreinterpretq_bf16_s16): New.
        (vreinterpret_bf16_s32, vreinterpretq_bf16_s32): New.
        (vreinterpret_bf16_s64, vreinterpretq_bf16_s64): New.
        (vreinterpret_bf16_p8, vreinterpretq_bf16_p8): New.
        (vreinterpret_bf16_p16, vreinterpretq_bf16_p16): New.
        (vreinterpret_bf16_p64, vreinterpretq_bf16_p64): New.
        (vreinterpret_bf16_f32, vreinterpretq_bf16_f32): New.
        (vreinterpret_bf16_f64, vreinterpretq_bf16_f64): New.
        (vreinterpretq_bf16_p128): New.
        (vreinterpret_s8_bf16, vreinterpretq_s8_bf16): New.
        (vreinterpret_s16_bf16, vreinterpretq_s16_bf16): New.
        (vreinterpret_s32_bf16, vreinterpretq_s32_bf16): New.
        (vreinterpret_s64_bf16, vreinterpretq_s64_bf16): New.
        (vreinterpret_u8_bf16, vreinterpretq_u8_bf16): New.
        (vreinterpret_u16_bf16, vreinterpretq_u16_bf16): New.
        (vreinterpret_u32_bf16, vreinterpretq_u32_bf16): New.
        (vreinterpret_u64_bf16, vreinterpretq_u64_bf16): New.
        (vreinterpret_p8_bf16, vreinterpretq_p8_bf16): New.
        (vreinterpret_p16_bf16, vreinterpretq_p16_bf16): New.
        (vreinterpret_p64_bf16, vreinterpretq_p64_bf16): New.
        (vreinterpret_f32_bf16, vreinterpretq_f32_bf16): New.
        (vreinterpretq_p128_bf16): New.
        * config/arm/arm_neon_builtins.def (VDX): Add V4BF.
        (V_elem): Likewise.
        (V_elem_l): Likewise.
        (VD_LANE): Likewise.
        (VQX) Add V8BF.
        (V_DOUBLE): Likewise.
        (VDQX): Add V4BF and V8BF.
        (V_two_elem, V_three_elem, V_four_elem): Likewise.
        (V_reg): Likewise.
        (V_HALF): Likewise.
        (V_double_vector_mode): Likewise.
        (V_cmp_result): Likewise.
        (V_uf_sclr): Likewise.
        (V_sz_elem): Likewise.
        (Is_d_reg): Likewise.
        (V_mode_nunits): Likewise.
        * config/arm/neon.md (neon_vdup_lane): Enable for BFloat16.

2020-02-27  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (VEC_SUBDWORD_MODE): New mode iterator.
        (<expander><mode>2<exec>): Change modes to VEC_ALL1REG_INT_MODE.
        (<expander><mode>3<exec>): Likewise.
        (<expander><mode>3): New.
        (v<expander><mode>3): New.
        (<expander><mode>3): New.
        (<expander><mode>3<exec>): Rename to ...
        (<expander>v64si3<exec>): ... this, and change modes to V64SI.
        * config/gcn/gcn.md (mnemonic): Use '%B' for not.

2020-02-27  Alexandre Oliva <oliva@adacore.com>

        * config/vx-common.h (NO_DOLLAR_IN_LABEL, NO_DOT_IN_LABEL): Leave
        them alone on vx7.

2020-02-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/93508
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle _CHK like
        non-_CHK variants.  Valueize their length arguments.

2020-02-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/93953
        * tree-vect-slp.c (slp_copy_subtree): Avoid keeping a reference
        to the hash-map entry.

2020-02-27  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn.md (mov<mode>): Add transformations for BI subregs.

2020-02-27  Mark Williams  <mwilliams@fb.com>

        * dwarf2out.c (file_name_acquire): Call remap_debug_filename.
        * lto-opts.c (lto_write_options): Drop -fdebug-prefix-map,
        -ffile-prefix-map and -fmacro-prefix-map.
        * lto-streamer-out.c: Include file-prefix-map.h.
        (lto_output_location): Remap the file part of locations.

2020-02-27  Jakub Jelinek  <jakub@redhat.com>

        PR c/93949
        * gimplify.c (gimplify_init_constructor): Don't promote readonly
        DECL_REGISTER variables to TREE_STATIC.

        PR tree-optimization/93582
        PR tree-optimization/93945
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Handle memset with
        non-zero INTEGER_CST second argument and ref->offset or ref->size
        not a multiple of BITS_PER_UNIT.

2020-02-27  Jonathan Wakely  <jwakely@redhat.com>

        * doc/install.texi (Binaries): Update description of BullFreeware.

2020-02-26  Sandra Loosemore  <sandra@codesourcery.com>

        PR c++/90467

        * doc/invoke.texi (Option Summary): Re-alphabetize warnings in
        C++ Language Options, Warning Options, and Static Analyzer
        Options lists.  Document negative form of options enabled by
        default.  Move some things around to more accurately sort
        warnings by category.
        (C++ Dialect Options, Warning Options, Static Analyzer
        Options): Document negative form of options when enabled by
        default.  Move some things around to more accurately sort
        warnings by category.  Add some missing index entries.
        Light copy-editing.

2020-02-26  Carl Love  <cel@us.ibm.com>

        PR target/91276
        * doc/extend.texi (PowerPC AltiVec Built-in Functions available on
        ISA 2.07): The builtin-function name __builtin_crypto_vpmsumb is only
        for the vector unsigned short arguments.  It is also listed as the
        name of the built-in for arguments vector unsigned short,
        vector unsigned int and vector unsigned long long built-ins.  The
        name of the builtins for these arguments should be:
        __builtin_crypto_vpmsumh, __builtin_crypto_vpmsumw and
        __builtin_crypto_vpmsumd respectively.

2020-02-26  Richard Biener  <rguenther@suse.de>

        * tree-vect-slp.c (vect_print_slp_tree): Also dump ref count
        and load permutation.

2020-02-26  Richard Sandiford  <richard.sandiford@arm.com>

        PR middle-end/93843
        * optabs-tree.c (supportable_convert_operation): Reject types with
        scalar modes.

2020-02-26  David Malcolm  <dmalcolm@redhat.com>

        * Makefile.in (ANALYZER_OBJS): Add analyzer/bar-chart.o.

2020-02-26  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/93820
        * gimple-ssa-store-merging.c (check_no_overlap): Change RHS_CODE
        argument to ALL_INTEGER_CST_P boolean.
        (imm_store_chain_info::try_coalesce_bswap): Adjust caller.
        (imm_store_chain_info::coalesce_immediate_stores): Likewise.  Handle
        adjacent INTEGER_CST store into merged_store->only_constants like
        overlapping one.

2020-02-25  Jakub Jelinek  <jakub@redhat.com>

        PR other/93912
        * config/sh/sh.c (expand_cbranchdi4): Fix comment typo, probablity
        -> probability.
        * cfghooks.c (verify_flow_info): Likewise.
        * predict.c (combine_predictions_for_bb): Likewise.
        * bb-reorder.c (connect_better_edge_p): Likewise.  Fix comment typo,
        sucessor -> successor.
        (find_traces_1_round): Fix comment typo, destinarion -> destination.
        * omp-expand.c (expand_oacc_for): Fix comment typo, sucessors ->
        successors.
        * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Fix dump
        message typo, sucessors -> successors.

2020-02-25  Martin Sebor  <msebor@redhat.com>

        * doc/extend.texi (attribute access): Correct an example.

2020-02-25  Mihail Ionescu  <mihail.ionescu@arm.com>

        * config/aarch64/aarch64-builtins.c (aarch64_scalar_builtin_types):
        Add simd_bf.
        (aarch64_init_simd_builtin_scalar_types): Register simd_bf.
        (VAR15, VAR16): New.
        * config/aarch64/iterators.md (VALLDIF): Enable for V4BF and V8BF.
        (VD): Enable for V4BF.
        (VDC): Likewise.
        (VQ): Enable for V8BF.
        (VQ2): Likewise.
        (VQ_NO2E): Likewise.
        (VDBL, Vdbl): Add V4BF.
        (V_INT_EQUIV, v_int_equiv): Add V4BF and V8BF.
        * config/aarch64/arm_neon.h (bfloat16x4x2_t): New typedef.
        (bfloat16x8x2_t): Likewise.
        (bfloat16x4x3_t): Likewise.
        (bfloat16x8x3_t): Likewise.
        (bfloat16x4x4_t): Likewise.
        (bfloat16x8x4_t): Likewise.
        (vcombine_bf16): New.
        (vld1_bf16, vld1_bf16_x2): New.
        (vld1_bf16_x3, vld1_bf16_x4): New.
        (vld1q_bf16, vld1q_bf16_x2): New.
        (vld1q_bf16_x3, vld1q_bf16_x4): New.
        (vld1_lane_bf16): New.
        (vld1q_lane_bf16): New.
        (vld1_dup_bf16): New.
        (vld1q_dup_bf16): New.
        (vld2_bf16): New.
        (vld2q_bf16): New.
        (vld2_dup_bf16): New.
        (vld2q_dup_bf16): New.
        (vld3_bf16): New.
        (vld3q_bf16): New.
        (vld3_dup_bf16): New.
        (vld3q_dup_bf16): New.
        (vld4_bf16): New.
        (vld4q_bf16): New.
        (vld4_dup_bf16): New.
        (vld4q_dup_bf16): New.
        (vst1_bf16, vst1_bf16_x2): New.
        (vst1_bf16_x3, vst1_bf16_x4): New.
        (vst1q_bf16, vst1q_bf16_x2): New.
        (vst1q_bf16_x3, vst1q_bf16_x4): New.
        (vst1_lane_bf16): New.
        (vst1q_lane_bf16): New.
        (vst2_bf16): New.
        (vst2q_bf16): New.
        (vst3_bf16): New.
        (vst3q_bf16): New.
        (vst4_bf16): New.
        (vst4q_bf16): New.

2020-02-25  Mihail Ionescu  <mihail.ionescu@arm.com>

        * config/aarch64/iterators.md (VDQF_F16) Add V4BF and V8BF.
        (VALL_F16): Likewise.
        (VALLDI_F16): Likewise.
        (Vtype): Likewise.
        (Vetype): Likewise.
        (vswap_width_name): Likewise.
        (VSWAP_WIDTH): Likewise.
        (Vel): Likewise.
        (VEL): Likewise.
        (q): Likewise.
        * config/aarch64/arm_neon.h (vset_lane_bf16, vsetq_lane_bf16): New.
        (vget_lane_bf16, vgetq_lane_bf16): New.
        (vcreate_bf16): New.
        (vdup_n_bf16, vdupq_n_bf16): New.
        (vdup_lane_bf16, vdup_laneq_bf16): New.
        (vdupq_lane_bf16, vdupq_laneq_bf16): New.
        (vduph_lane_bf16, vduph_laneq_bf16): New.
        (vreinterpret_bf16_u8, vreinterpretq_bf16_u8): New.
        (vreinterpret_bf16_u16, vreinterpretq_bf16_u16): New.
        (vreinterpret_bf16_u32, vreinterpretq_bf16_u32): New.
        (vreinterpret_bf16_u64, vreinterpretq_bf16_u64): New.
        (vreinterpret_bf16_s8, vreinterpretq_bf16_s8): New.
        (vreinterpret_bf16_s16, vreinterpretq_bf16_s16): New.
        (vreinterpret_bf16_s32, vreinterpretq_bf16_s32): New.
        (vreinterpret_bf16_s64, vreinterpretq_bf16_s64): New.
        (vreinterpret_bf16_p8, vreinterpretq_bf16_p8): New.
        (vreinterpret_bf16_p16, vreinterpretq_bf16_p16): New.
        (vreinterpret_bf16_p64, vreinterpretq_bf16_p64): New
        (vreinterpret_bf16_f16, vreinterpretq_bf16_f16): New
        (vreinterpret_bf16_f32, vreinterpretq_bf16_f32): New.
        (vreinterpret_bf16_f64, vreinterpretq_bf16_f64): New.
        (vreinterpretq_bf16_p128): New.
        (vreinterpret_s8_bf16, vreinterpretq_s8_bf16): New.
        (vreinterpret_s16_bf16, vreinterpretq_s16_bf16): New.
        (vreinterpret_s32_bf16, vreinterpretq_s32_bf16): New.
        (vreinterpret_s64_bf16, vreinterpretq_s64_bf16): New.
        (vreinterpret_u8_bf16, vreinterpretq_u8_bf16): New.
        (vreinterpret_u16_bf16, vreinterpretq_u16_bf16): New.
        (vreinterpret_u32_bf16, vreinterpretq_u32_bf16): New.
        (vreinterpret_u64_bf16, vreinterpretq_u64_bf16): New.
        (vreinterpret_p8_bf16, vreinterpretq_p8_bf16): New.
        (vreinterpret_p16_bf16, vreinterpretq_p16_bf16): New.
        (vreinterpret_p64_bf16, vreinterpretq_p64_bf16): New.
        (vreinterpret_f32_bf16, vreinterpretq_f32_bf16): New.
        (vreinterpret_f64_bf16,vreinterpretq_f64_bf16): New.
        (vreinterpret_f16_bf16,vreinterpretq_f16_bf16): New.
        (vreinterpretq_p128_bf16): New.

2020-02-25  Dennis Zhang  <dennis.zhang@arm.com>

        * config/arm/arm_neon.h (vbfdot_f32, vbfdotq_f32): New
        (vbfdot_lane_f32, vbfdotq_laneq_f32): New.
        (vbfdot_laneq_f32, vbfdotq_lane_f32): New.
        * config/arm/arm_neon_builtins.def (vbfdot): New entry.
        (vbfdot_lanev4bf, vbfdot_lanev8bf): Likewise.
        * config/arm/iterators.md (VSF2BF): New attribute.
        * config/arm/neon.md (neon_vbfdot<VCVTF:mode>): New entry.
        (neon_vbfdot_lanev4bf<VCVTF:mode>): Likewise.
        (neon_vbfdot_lanev8bf<VCVTF:mode>): Likewise.

2020-02-25  Christophe Lyon  <christophe.lyon@linaro.org>

        * config/arm/arm.md (required_for_purecode): New attribute.
        (enabled): Handle required_for_purecode.
        * config/arm/thumb1.md (thumb1_movsi_insn): Add alternative to
        work with -mpure-code.

2020-02-25  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/93908
        * combine.c (find_split_point): For store into ZERO_EXTRACT, and src
        with mask.

2019-02-25  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (dwarf2out_size_function): Run in early-DWARF mode.

2020-02-25  Roman Zhuykov  <zhroma@ispras.ru>

        * doc/install.texi (--enable-checking): Adjust wording.

2020-02-25  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/93868
        * tree-vect-slp.c (slp_copy_subtree): New function.
        (vect_attempt_slp_rearrange_stmts): Copy the SLP tree before
        re-arranging stmts in it.

2020-02-25  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/93874
        * passes.c (pass_manager::dump_passes): Create a cgraph node for the
        dummy function and remove it at the end.

        PR translation/93864
        * config/lm32/lm32.c (lm32_setup_incoming_varargs): Fix comment typo
        paramter -> parameter.
        * config/aarch64/aarch64.c (aarch64_is_extend_from_extract): Likewise.
        * ipa-prop.h (struct ipa_agg_replacement_value): Likewise.

2020-02-24  Roman Zhuykov  <zhroma@ispras.ru>

        * doc/install.texi (--enable-checking): Properly document current
        behavior.
        (--enable-stage1-checking): Minor clarification about bootstrap.

2020-02-24  David Malcolm  <dmalcolm@redhat.com>

        PR analyzer/93032
        * doc/invoke.texi (-Wnanalyzer-tainted-array-index): Note that
        -fanalyzer-checker=taint is also required.
        (-fanalyzer-checker=): Note that providing this option enables the
        given checker, and doing so may be required for checkers that are
        disabled by default.

2020-02-24  David Malcolm  <dmalcolm@redhat.com>

        * doc/invoke.texi (-fanalyzer-verbosity=): "2" only shows
        significant control flow events; add a "3" which shows all
        control flow events; the old "3" becomes "4".

2020-02-24  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/93582
        * tree-ssa-sccvn.c (vn_walk_cb_data::push_partial_def): Consider
        pd.offset and pd.size to be counted in bits rather than bytes, add
        support for maxsizei that is not a multiple of BITS_PER_UNIT and
        handle bitfield stores and loads.
        (vn_reference_lookup_3): Don't call ranges_known_overlap_p with
        uncomparable quantities - bytes vs. bits.  Allow push_partial_def
        on offsets/sizes that aren't multiple of BITS_PER_UNIT and adjust
        pd.offset/pd.size to be counted in bits rather than bytes.
        Formatting fix.  Rename shadowed len variable to buflen.

2020-02-24  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
            Kugan Vivekandarajah  <kugan.vivekanandarajah@linaro.org>

        PR driver/47785
        * gcc.c (putenv_COLLECT_AS_OPTIONS): New function.
        (driver::main): Call putenv_COLLECT_AS_OPTIONS.
        * opts-common.c (parse_options_from_collect_gcc_options): New function.
        (prepend_xassembler_to_collect_as_options): Likewise.
        * opts.h (parse_options_from_collect_gcc_options): Declare prototype.
        (prepend_xassembler_to_collect_as_options): Likewise.
        * lto-opts.c (lto_write_options): Stream assembler options
        in COLLECT_AS_OPTIONS.
        * lto-wrapper.c (xassembler_options_error): New static variable.
        (get_options_from_collect_gcc_options): Move parsing options code to
        parse_options_from_collect_gcc_options and call it.
        (merge_and_complain): Validate -Xassembler options.
        (append_compiler_options): Handle OPT_Xassembler.
        (run_gcc): Append command line -Xassembler options to
        collect_gcc_options.
        * doc/invoke.texi: Add documentation about using Xassembler
        options with LTO.

2020-02-24  Kito Cheng  <kito.cheng@sifive.com>

        * config/riscv/riscv.c (riscv_emit_float_compare): Change the code gen
        for LTGT.
        (riscv_rtx_costs): Update cost model for LTGT.

2020-02-23  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/93564
        * ira-color.c (struct update_cost_queue_elem): New member start.
        (queue_update_cost, get_next_update_cost): Add new arg start.
        (allocnos_conflict_p): New function.
        (update_costs_from_allocno): Add new arg conflict_cost_update_p.
        Add checking conflicts with allocnos_conflict_p.
        (update_costs_from_prefs, restore_costs_from_copies): Adjust
        update_costs_from_allocno calls.
        (update_conflict_hard_regno_costs): Add checking conflicts with
        allocnos_conflict_p.  Adjust calls of queue_update_cost and
        get_next_update_cost.
        (assign_hard_reg): Adjust calls of queue_update_cost.  Add
        debugging print.
        (bucket_allocno_compare_func): Restore previous version.

2020-02-21  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.c (pa_function_value): Fix check for word and
        double-word size when handling aggregate return values.
        * config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Fix to indicate
        that homogeneous SFmode and DFmode aggregates are passed and returned
        in general registers.

2020-02-21  Jakub Jelinek  <jakub@redhat.com>

        PR translation/93759
        * opts.c (print_filtered_help): Translate help before appending
        messages to it rather than after that.

2020-02-19  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/PR92989
        * lra-lives.c (process_bb_lives): Restore the original order
        of the bb liveness update.  Call make_hard_regno_dead for each
        register clobbered at the start of an EH receiver.

2020-02-18  Feng Xue  <fxue@os.amperecomputing.com>

        PR ipa/93763
        * ipa-cp.c (self_recursively_generated_p): Mark self-dependent value as
        self-recursively generated.

2020-02-21  Iain Sandoe  <iain@sandoe.co.uk>

        PR target/93860
        * config/darwin-c.c (pop_field_alignment): Adjust quoting of
        error string.

2020-02-21  Mihail Ionescu  <mihail.ionescu@arm.com>

        * doc/sourcebuild.texi (arm_v8_1m_mve_ok):
        Document new target supports option.

2020-02-21  Dennis Zhang  <dennis.zhang@arm.com>

        * config/arm/arm_neon.h (vmmlaq_s32, vmmlaq_u32, vusmmlaq_s32): New.
        * config/arm/arm_neon_builtins.def (smmla, ummla, usmmla): New.
        * config/arm/iterators.md (MATMUL): New iterator.
        (sup): Add UNSPEC_MATMUL_S, UNSPEC_MATMUL_U, and UNSPEC_MATMUL_US.
        (mmla_sfx): New attribute.
        * config/arm/neon.md (neon_<sup>mmlav16qi): New.
        * config/arm/unspecs.md (UNSPEC_MATMUL_S, UNSPEC_MATMUL_U): New.
        (UNSPEC_MATMUL_US): New.

2020-02-21  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>

        * config/arm/arm.md: Prevent scalar shifts from being used when big
        endian is enabled.

2020-02-21  Jan Hubicka  <hubicka@ucw.cz>
            Richard Biener  <rguenther@suse.de>

        PR tree-optimization/93586
        * tree-ssa-alias.c (nonoverlapping_array_refs_p): Finish array walk
        after mismatched array refs; do not sure type size information to
        recover from unmatched referneces with !flag_strict_aliasing_p.

2020-02-21  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (gather_load<mode>): Rename to ...
        (gather_load<mode>v64si): ... this and set operand 2 to V64SI.
        (scatter_store<mode>): Rename to ...
        (scatter_store<mode>v64si): ... this and set operand 1 to V64SI.
        (scatter<mode>_exec): Delete. Move contents ...
        (mask_scatter_store<mode>): ... here, and rename that to ...
        (mask_gather_load<mode>v64si): ... this. Set operand 2 to V64SI.
        Remove mode conversion.
        (mask_gather_load<mode>): Rename to ...
        (mask_scatter_store<mode>v64si): ... this. Set operand 1 to V64SI.
        Remove mode conversion.
        * config/gcn/gcn.c (gcn_expand_scaled_offsets): Remove mode conversion.

2020-02-21  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/93845
        * tree-sra.c (verify_sra_access_forest): Only test access size of
        scalar types.

2020-02-21  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn.c (gcn_hard_regno_mode_ok): Align VGPR pairs.
        * config/gcn/gcn-valu.md (addv64di3): Remove early-clobber.
        (addv64di3_exec): Likewise.
        (subv64di3): Likewise.
        (subv64di3_exec): Likewise.
        (addv64di3_zext): Likewise.
        (addv64di3_zext_exec): Likewise.
        (addv64di3_zext_dup): Likewise.
        (addv64di3_zext_dup_exec): Likewise.
        (addv64di3_zext_dup2): Likewise.
        (addv64di3_zext_dup2_exec): Likewise.
        (addv64di3_sext_dup2): Likewise.
        (addv64di3_sext_dup2_exec): Likewise.
        (<expander>v64di3): Likewise.
        (<expander>v64di3_exec): Likewise.
        (*<reduc_op>_dpp_shr_v64di): Likewise.
        (*plus_carry_dpp_shr_v64di): Likewise.
        * config/gcn/gcn.md (adddi3): Likewise.
        (addptrdi3): Likewise.
        (<expander>di3): Likewise.

2020-02-21  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (vec_seriesv64di): Use gen_vec_duplicatev64di.

2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Add SVE
        support.  Use aarch64_emit_mult instead of emitting multiplication
        instructions directly.
        * config/aarch64/aarch64-sve.md (sqrt<mode>2, rsqrt<mode>2)
        (@aarch64_rsqrte<mode>, @aarch64_rsqrts<mode>): New expanders.

2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.c (aarch64_emit_mult): New function.
        (aarch64_emit_approx_div): Add SVE support.  Use aarch64_emit_mult
        instead of emitting multiplication instructions directly.
        * config/aarch64/iterators.md (SVE_COND_FP_BINARY_OPTAB): New iterator.
        * config/aarch64/aarch64-sve.md (div<mode>3, @aarch64_frecpe<mode>)
        (@aarch64_frecps<mode>): New expanders.

2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-protos.h (AARCH64_APPROX_MODE): Operate
        on and produce uint64_ts rather than ints.
        (AARCH64_APPROX_NONE, AARCH64_APPROX_ALL): Change to uint64_ts.
        (cpu_approx_modes): Change the fields from unsigned int to uint64_t.

2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Don't create
        an unused xmsk register when handling approximate rsqrt.

2020-02-21  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Fix inverted
        flag_finite_math_only condition.

2020-02-20  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/93828
        * config/i386/mmx.md (*vec_extractv2sf_1): Match source operand
        to destination operand for shufps alternative.
        (*vec_extractv2si_1): Ditto.

2020-02-20  Peter Bergner  <bergner@linux.ibm.com>

        PR target/93658
        * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Handle VSX
        vector modes.

2020-02-20  Martin Liska  <mliska@suse.cz>

        PR translation/93831
        * config/darwin.c (darwin_override_options): Change 64b to 64-bit mode.

2020-02-20  Martin Liska  <mliska@suse.cz>

        PR translation/93830
        * common/config/avr/avr-common.c: Remote trailing "|".

2020-02-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * collect2.c (maybe_run_lto_and_relink): Fix typo in
        comment.

2020-02-19  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/93767
        * tree-vect-data-refs.c (vect_compile_time_alias): Remove the
        access-size bias from the offset calculations for negative strides.

2020-02-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * collect2.c (c_file, o_file): Make const again.
        (ldout,lderrout, dump_ld_file): Remove.
        (tool_cleanup): Avoid calling not signal-safe functions.
        (maybe_run_lto_and_relink): Avoid possible signal handler
        access to unintialzed memory (lto_o_files).
        (main): Avoid leaking temp files in $TMPDIR.
        Initialize c_file/o_file with concat, which avoids exposing
        uninitialized memory to signal handler, which calls unlink(!).
        Avoid calling maybe_unlink when the main function returns,
        since the atexit handler is already doing this.
        * collect2.h (dump_ld_file, ldout, lderrout): Remove.

2020-02-19  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/93776
        * tree-sra.c (create_access): Do not create zero size accesses.
        (get_access_for_expr): Do not search for zero sized accesses.

2020-02-19  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/93667
        * tree-sra.c (scalarizable_type_p): Return false if record fields
        do not follow wach other.

2020-01-21  Kito Cheng  <kito.cheng@sifive.com>

        * config/riscv/riscv.c (riscv_output_move) Using fmv.x.w/fmv.w.x
        rather than fmv.x.s/fmv.s.x.

2020-02-18  James Greenhalgh  <james.greenhalgh@arm.com>

        * config/aarch64/aarch64-simd-builtins.def
        (intrinsic_vec_smult_lo_): New.
        (intrinsic_vec_umult_lo_): Likewise.
        (vec_widen_smult_hi_): Likewise.
        (vec_widen_umult_hi_): Likewise.
        * config/aarch64/aarch64-simd.md
        (aarch64_intrinsic_vec_<su>mult_lo_<mode>): New.
        * config/aarch64/arm_neon.h (vmull_high_s8): Use intrinsics.
        (vmull_high_s16): Likewise.
        (vmull_high_s32): Likewise.
        (vmull_high_u8): Likewise.
        (vmull_high_u16): Likewise.
        (vmull_high_u32): Likewise.
        (vmull_s8): Likewise.
        (vmull_s16): Likewise.
        (vmull_s32): Likewise.
        (vmull_u8): Likewise.
        (vmull_u16): Likewise.
        (vmull_u32): Likewise.

2020-02-18  Martin Liska  <mliska@suse.cz>

        * value-prof.c (stream_out_histogram_value): Restore LTO PGO
        bootstrap by missing removal of invalid sanity check.

2020-02-18  Martin Liska  <mliska@suse.cz>

        PR ipa/92518
        * ipa-icf-gimple.c (func_checker::compare_gimple_assign):
        Always compare LHS of gimple_assign.

2020-02-18  Martin Liska  <mliska@suse.cz>

        PR ipa/93583
        * cgraph.c (cgraph_node::verify_node): Verify MALLOC attribute
        and return type of functions.
        * ipa-param-manipulation.c (ipa_param_adjustments::adjust_decl):
        Drop MALLOC attribute for void functions.
        * ipa-pure-const.c (funct_state_summary_t::duplicate): Drop
        malloc_state for a new VOID clone.

2020-02-18  Martin Liska  <mliska@suse.cz>

        PR ipa/92924
        * common.opt: Add -fprofile-reproducibility.
        * doc/invoke.texi: Document it.
        * value-prof.c (dump_histogram_value):
        Document and support behavior for counters[0]
        being a negative value.
        (get_nth_most_common_value): Handle negative
        counters[0] in respect to flag_profile_reproducible.

2020-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/93797
        * cgraph.c (verify_speculative_call): Use speculative_id instead of
        speculative_uid in messages.  Remove trailing whitespace from error
        message.  Use num_speculative_call_targets instead of
        num_speculative_targets in a message.
        (cgraph_node::verify_node): Use call_stmt instead of cal_stmt in
        edge messages and stmt instead of cal_stmt in reference message.

        PR tree-optimization/93780
        * tree-ssa.c (non_rewritable_lvalue_p): Check valid_vector_subparts_p
        before calling build_vector_type.
        (execute_update_addresses_taken): Likewise.

        PR driver/93796
        * params.opt (-param=ipa-max-switch-predicate-bounds=): Fix help
        typo, functoin -> function.
        * tree.c (free_lang_data_in_decl): Fix comment typo,
        functoin -> function.
        * ipa-visibility.c (cgraph_externally_visible_p): Likewise.

2020-02-17  David Malcolm  <dmalcolm@redhat.com>

        * diagnostic.c (print_any_cwe): Don't call get_cwe_url if URLs
        won't be printed.
        (print_option_information): Don't call get_option_url if URLs
        won't be printed.

2020-02-17  Alexandre Oliva  <oliva@adacore.com>

        * tree-emutls.c (new_emutls_decl, emutls_common_1): Complete
        handling of register_common-less targets.

2020-02-17  Martin Liska  <mliska@suse.cz>

        PR ipa/93760
        * ipa-devirt.c (odr_types_equivalent_p): Fix grammar.

2020-02-17  Martin Liska  <mliska@suse.cz>

        PR translation/93755
        * config/rs6000/rs6000.c (rs6000_option_override_internal):
        Fix double quotes.

2020-02-17  Martin Liska  <mliska@suse.cz>

        PR other/93756
        * config/rx/elf.opt: Fix typo.

2020-02-17  Richard Biener  <rguenther@suse.de>

        PR c/86134
        * opts-global.c (print_ignored_options): Use inform and
        amend message.

2020-02-17  Jiufu Guo  <guojiufu@linux.ibm.com>

        PR target/93047
        * config/rs6000/rs6000.md (untyped_call): Add emit_clobber.

2020-02-16  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/93743
        * config/i386/i386.md (atan2xf3): Swap operands 1 and 2.
        (atan2<mode>3): Update operand order in the call to gen_atan2xf3.

2020-02-15  Jason Merrill  <jason@redhat.com>

        * doc/invoke.texi (C Dialect Options): Add -std=c++20.

2020-02-15  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/93744
        * match.pd (((m1 >/</>=/<= m2) * d -> (m1 >/</>=/<= m2) ? d : 0,
        A - ((A - B) & -(C cmp D)) -> (C cmp D) ? B : A,
        A + ((B - A) & -(C cmp D)) -> (C cmp D) ? B : A): For GENERIC, make
        sure @2 in the first and @1 in the other patterns has no side-effects.

2020-02-15  David Malcolm  <dmalcolm@redhat.com>
            Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR 87488
        PR other/93168
        * config.in (DIAGNOSTICS_URLS_DEFAULT): New define.
        * configure.ac (--with-diagnostics-urls): New configuration
        option, based on --with-diagnostics-color.
        (DIAGNOSTICS_URLS_DEFAULT): New define.
        * config.h: Regenerate.
        * configure: Regenerate.
        * diagnostic.c (diagnostic_urls_init): Handle -1 for
        DIAGNOSTICS_URLS_DEFAULT from configure-time
        --with-diagnostics-urls=auto-if-env by querying for a GCC_URLS
        and TERM_URLS environment variable.
        * diagnostic-url.h (diagnostic_url_format): New enum type.
        (diagnostic_urls_enabled_p): rename to...
        (determine_url_format): ... this, and change return type.
        * diagnostic-color.c (parse_env_vars_for_urls): New helper function.
        (auto_enable_urls): Disable URLs on xfce4-terminal, gnome-terminal,
        the linux console, and mingw.
        (diagnostic_urls_enabled_p): rename to...
        (determine_url_format): ... this, and adjust.
        * pretty-print.h (pretty_printer::show_urls): rename to...
        (pretty_printer::url_format): ... this, and change to enum.
        * pretty-print.c (pretty_printer::pretty_printer,
        pp_begin_url, pp_end_url, test_urls): Adjust.
        * doc/install.texi (--with-diagnostics-urls): Document the new
        configuration option.
        (--with-diagnostics-color): Document the existing interaction
        with GCC_COLORS better.
        * doc/invoke.texi (-fdiagnostics-urls): Add GCC_URLS and TERM_URLS
        vindex reference.  Update description of defaults based on the above.
        (-fdiagnostics-color): Update description of how -fdiagnostics-color
        interacts with GCC_COLORS.

2020-02-14  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/93704
        * config/sparc/sparc.c (eligible_for_call_delay): Test HAVE_GNU_LD in
        conjunction with TARGET_GNU_TLS in early return.

2020-02-14  Alexander Monakov  <amonakov@ispras.ru>

        * rtlanal.c (rtx_cost): Handle a SET up front. Avoid division if
        the mode is not wider than UNITS_PER_WORD.

2020-02-14  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/93516
        * tree-sra.c (propagate_subaccesses_from_rhs): Do not create
        access of the same type as the parent.
        (propagate_subaccesses_from_lhs): Likewise.

2020-02-14 Hongtao Liu  <hongtao.liu@intel.com>

        PR target/93724
        * config/i386/avx512vbmi2intrin.h
        (_mm512_shrdi_epi16, _mm512_mask_shrdi_epi16,
        _mm512_maskz_shrdi_epi16, _mm512_shrdi_epi32,
        _mm512_mask_shrdi_epi32, _mm512_maskz_shrdi_epi32,
        _m512_shrdi_epi64, _m512_mask_shrdi_epi64,
        _m512_maskz_shrdi_epi64, _mm512_shldi_epi16,
        _mm512_mask_shldi_epi16, _mm512_maskz_shldi_epi16,
        _mm512_shldi_epi32, _mm512_mask_shldi_epi32,
        _mm512_maskz_shldi_epi32, _mm512_shldi_epi64,
        _mm512_mask_shldi_epi64, _mm512_maskz_shldi_epi64): Fix typo
        of lacking a closing parenthesis.
        * config/i386/avx512vbmi2vlintrin.h
        (_mm256_shrdi_epi16, _mm256_mask_shrdi_epi16,
        _mm256_maskz_shrdi_epi16, _mm256_shrdi_epi32,
        _mm256_mask_shrdi_epi32, _mm256_maskz_shrdi_epi32,
        _m256_shrdi_epi64, _m256_mask_shrdi_epi64,
        _m256_maskz_shrdi_epi64, _mm256_shldi_epi16,
        _mm256_mask_shldi_epi16, _mm256_maskz_shldi_epi16,
        _mm256_shldi_epi32, _mm256_mask_shldi_epi32,
        _mm256_maskz_shldi_epi32, _mm256_shldi_epi64,
        _mm256_mask_shldi_epi64, _mm256_maskz_shldi_epi64,
        _mm_shrdi_epi16, _mm_mask_shrdi_epi16,
        _mm_maskz_shrdi_epi16, _mm_shrdi_epi32,
        _mm_mask_shrdi_epi32, _mm_maskz_shrdi_epi32,
        _mm_shrdi_epi64, _mm_mask_shrdi_epi64,
        _m_maskz_shrdi_epi64, _mm_shldi_epi16,
        _mm_mask_shldi_epi16, _mm_maskz_shldi_epi16,
        _mm_shldi_epi32, _mm_mask_shldi_epi32,
        _mm_maskz_shldi_epi32, _mm_shldi_epi64,
        _mm_mask_shldi_epi64, _mm_maskz_shldi_epi64): Ditto.

2020-02-13  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/93656
        * config/i386/i386.c (ix86_trampoline_init): Skip ENDBR32 at
        the target function entry.

2020-02-13  Claudiu Zissulescu  <claziss@synopsys.com>

        * common/config/arc/arc-common.c (arc_option_optimization_table):
        Disable if-conversion step when optimized for size.

2020-02-13  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_conditional_register_usage): R0-R3 and
        R12-R15 are always in ARCOMPACT16_REGS register class.
        * config/arc/arc.opt (mq-class): Deprecate.
        * config/arc/constraint.md ("q"): Remove dependency on mq-class
        option.
        * doc/invoke.texi (mq-class): Update text.
        * common/config/arc/arc-common.c (arc_option_optimization_table):
        Update list.

2020-02-13  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_insn_cost): New function.
        (TARGET_INSN_COST): Define.
        * config/arc/arc.md (cost): New attribute.
        (add_n): Use arc_nonmemory_operand.
        (ashlsi3_insn): Likewise, also update constraints.
        (ashrsi3_insn): Likewise.
        (rotrsi3): Likewise.
        (add_shift): Likewise.
        * config/arc/predicates.md (arc_nonmemory_operand): New predicate.

2020-02-13  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.md (mulsidi_600): Correctly select mlo/mhi
        registers.
        (umulsidi_600): Likewise.

2020-02-13  Jakub Jelinek  <jakub@redhat.com>

        PR target/93696
        * config/i386/avx512bitalgintrin.h (_mm512_mask_popcnt_epi8,
        _mm512_mask_popcnt_epi16, _mm256_mask_popcnt_epi8,
        _mm256_mask_popcnt_epi16, _mm_mask_popcnt_epi8,
        _mm_mask_popcnt_epi16): Rename __B argument to __A and __A to __W,
        pass __A to the builtin followed by __W instead of __A followed by
        __B.
        * config/i386/avx512vpopcntdqintrin.h (_mm512_mask_popcnt_epi32,
        _mm512_mask_popcnt_epi64): Likewise.
        * config/i386/avx512vpopcntdqvlintrin.h (_mm_mask_popcnt_epi32,
        _mm256_mask_popcnt_epi32, _mm_mask_popcnt_epi64,
        _mm256_mask_popcnt_epi64): Likewise.

        PR tree-optimization/93582
        * fold-const.h (shift_bytes_in_array_left,
        shift_bytes_in_array_right): Declare.
        * fold-const.c (shift_bytes_in_array_left,
        shift_bytes_in_array_right): New function, moved from
        gimple-ssa-store-merging.c, no longer static.
        * gimple-ssa-store-merging.c (shift_bytes_in_array): Move
        to gimple-ssa-store-merging.c and rename to shift_bytes_in_array_left.
        (shift_bytes_in_array_right): Move to gimple-ssa-store-merging.c.
        (encode_tree_to_bitpos): Use shift_bytes_in_array_left instead of
        shift_bytes_in_array.
        (verify_shift_bytes_in_array): Rename to ...
        (verify_shift_bytes_in_array_left): ... this.  Use
        shift_bytes_in_array_left instead of shift_bytes_in_array.
        (store_merging_c_tests): Call verify_shift_bytes_in_array_left
        instead of verify_shift_bytes_in_array.
        * tree-ssa-sccvn.c (vn_reference_lookup_3): For native_encode_expr
        / native_interpret_expr where the store covers all needed bits,
        punt on PDP-endian, otherwise allow all involved offsets and sizes
        not to be byte-aligned.

        PR target/93673
        * config/i386/sse.md (k<code><mode>): Drop mode from last operand and
        use const_0_to_255_operand predicate instead of immediate_operand.
        (avx512dq_fpclass<mode><mask_scalar_merge_name>,
        avx512dq_vmfpclass<mode><mask_scalar_merge_name>,
        vgf2p8affineinvqb_<mode><mask_name>,
        vgf2p8affineqb_<mode><mask_name>): Drop mode from
        const_0_to_255_operand predicated operands.

2020-02-12  Jeff Law  <law@redhat.com>

        * config/h8300/h8300.md (comparison shortening peepholes): Use
        a mode iterator to merge the HImode and SImode peepholes.

2020-02-12  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/93663
        * real.c (is_even): Make static.  Function comment fix.
        (is_halfway_below): Make static, don't assert R is not inf/nan,
        instead return false for those.  Small formatting fixes.

2020-02-12  Martin Sebor  <msebor@redhat.com>

        PR middle-end/93646
        * tree-ssa-strlen.c (handle_builtin_stxncpy): Rename...
        (handle_builtin_stxncpy_strncat): ...to this.  Change first argument.
        Issue only -Wstringop-overflow strncat, never -Wstringop-truncation.
        (strlen_check_and_optimize_call): Adjust callee name.

2020-02-12  Jeff Law  <law@redhat.com>

        * config/h8300/h8300.md (comparison shortening peepholes): Drop
        (and (xor)) variant.  Combine other two into single peephole.

2020-02-12  Wilco Dijkstra  <wdijkstr@arm.com>

        PR rtl-optimization/93565
        * config/aarch64/aarch64.c (aarch64_rtx_costs): Add CTZ costs.

2020-02-12  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64-simd.md
        (aarch64_zero_extend<GPI:mode>_reduc_plus_<VDQV_E:mode>): New pattern.
        * config/aarch64/aarch64.md (popcount<mode>2): Use it instead of
        generating separate ADDV and zero_extend patterns.
        * config/aarch64/iterators.md (VDQV_E): New iterator.

2020-02-12  Jeff Law  <law@redhat.com>

        * config/h8300/h8300.md (cpymemsi, movmd): Remove dead patterns,
        expanders, splits, etc.
        (movmd_internal_<mode>, movmd splitter, movstr, movsd): Likewise.
        (stpcpy_internal_<mode>, stpcpy splitter): Likewise.
        (peepholes to convert QI/HI mode pushes to SI mode pushes): Likewise.
        * config/h8300/h8300.c (h8300_swap_into_er6): Remove unused function.
        (h8300_swap_out_of_er6, h8sx_emit_movmd): Likewise
        * config/h8300/h8300-protos.h (h8300_swap_into_er6): Remove unused
        function prototype.
        (h8300_swap_out_of_er6, h8sx_emit_movmd): Likewise.

2020-02-12  Jakub Jelinek  <jakub@redhat.com>

        PR target/93670
        * config/i386/sse.md (VI48F_256_DQ): New mode iterator.
        (avx512vl_vextractf128<mode>): Use it instead of VI48F_256.  Remove
        TARGET_AVX512DQ from condition.
        (vec_extract_lo_<mode><mask_name>): Use <mask_avx512dq_condition>
        instead of <mask_mode512bit_condition> in condition.  If
        TARGET_AVX512DQ is false, emit vextract*64x4 instead of
        vextract*32x8.
        (vec_extract_lo_<mode><mask_name>): Drop <mask_avx512dq_condition>
        from condition.

2020-02-12  Kewen Lin  <linkw@gcc.gnu.org>

        PR target/91052
        * ira.c (combine_and_move_insns): Skip multiple_sets def_insn.

2020-02-12  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (rs6000_debug_print_mode): Don't use sizeof
        where strlen is more legible.
        (rs6000_builtin_vectorized_libmass): Ditto.
        (rs6000_print_options_internal): Ditto.

2020-02-11  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/93683
        * tree-ssa-alias.c (stmt_kills_ref_p): Avoid using LHS when not set.

2020-02-11  Michael Meissner  <meissner@linux.ibm.com>

        * config/rs6000/predicates.md (cint34_operand): Rename the
        -mprefixed-addr option to be -mprefixed.
        * config/rs6000/rs6000-cpus.def (ISA_FUTURE_MASKS_SERVER): Rename
        the -mprefixed-addr option to be -mprefixed.
        (OTHER_FUTURE_MASKS): Likewise.
        (POWERPC_MASKS): Likewise.
        * config/rs6000/rs6000.c (rs6000_option_override_internal): Rename
        the -mprefixed-addr option to be -mprefixed.  Change error
        messages to refer to -mprefixed.
        (num_insns_constant_gpr): Rename the -mprefixed-addr option to be
        -mprefixed.
        (rs6000_legitimate_offset_address_p): Likewise.
        (rs6000_mode_dependent_address): Likewise.
        (rs6000_opt_masks): Change the spelling of "-mprefixed-addr" to be
        "-mprefixed" for target attributes and pragmas.
        (address_to_insn_form): Rename the -mprefixed-addr option to be
        -mprefixed.
        (rs6000_adjust_insn_length): Likewise.
        * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Rename the
        -mprefixed-addr option to be -mprefixed.
        (ASM_OUTPUT_OPCODE): Likewise.
        * config/rs6000/rs6000.md (prefixed insn attribute): Rename the
        -mprefixed-addr option to be -mprefixed.
        * config/rs6000/rs6000.opt (-mprefixed): Rename the
        -mprefixed-addr option to be prefixed.  Change the option from
        being undocumented to being documented.
        * doc/invoke.texi (RS/6000 and PowerPC Options): Document the
        -mprefixed option.  Update the -mpcrel documentation to mention
        -mprefixed.

2020-02-11  Hans-Peter Nilsson  <hp@axis.com>

        * ira-conflicts.c (print_hard_reg_set): Correct output for sets
        including FIRST_PSEUDO_REGISTER - 1.
        * ira-color.c (print_hard_reg_set): Ditto.

2020-02-11  Stam Markianos-Wright  <stam.markianos-wright@arm.com>

        * config/arm/arm-builtins.c (enum arm_type_qualifiers): 
        (USTERNOP_QUALIFIERS): New define.
        (USMAC_LANE_QUADTUP_QUALIFIERS): New define.
        (SUMAC_LANE_QUADTUP_QUALIFIERS): New define.
        (arm_expand_builtin_args): Add case ARG_BUILTIN_LANE_QUADTUP_INDEX.
        (arm_expand_builtin_1): Add qualifier_lane_quadtup_index.
        * config/arm/arm_neon.h (vusdot_s32): New.
        (vusdot_lane_s32): New.
        (vusdotq_lane_s32): New.
        (vsudot_lane_s32): New.
        (vsudotq_lane_s32): New.
        * config/arm/arm_neon_builtins.def (usdot, usdot_lane,sudot_lane): New.
        * config/arm/iterators.md (DOTPROD_I8MM): New.
        (sup, opsuffix): Add <us/su>.
        * config/arm/neon.md (neon_usdot, <us/su>dot_lane: New.
        * config/arm/unspecs.md (UNSPEC_DOT_US, UNSPEC_DOT_SU): New.

2020-02-11  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/93661
        PR tree-optimization/93662
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Properly guard
        tree_to_poly_int64.
        * tree-sra.c (get_access_for_expr): Likewise.

2020-02-10  Jakub Jelinek  <jakub@redhat.com>

        PR target/93637
        * config/i386/sse.md (VI_256_AVX2): New mode iterator.
        (vcond_mask_<mode><sseintvecmodelower>): Use it instead of VI_256.
        Change condition from TARGET_AVX2 to TARGET_AVX.

2020-02-10  Iain Sandoe  <iain@sandoe.co.uk>

        PR other/93641
        * config/darwin-c.c (darwin_cfstring_ref_p): Fix up last
        argument of strncmp.

2020-02-10  Hans-Peter Nilsson  <hp@axis.com>

        Try to generate zero-based comparisons.
        * config/cris/cris.c (cris_reduce_compare): New function.
        * config/cris/cris-protos.h  (cris_reduce_compare): Add prototype.
        * config/cris/cris.md ("cbranch<mode>4", "cbranchdi4", "cstoredi4")
        (cstore<mode>4"): Apply cris_reduce_compare in expanders.

2020-02-10  Richard Earnshaw  <rearnsha@arm.com>

        PR target/91913
        * config/arm/arm.md (movsi_compare0): Allow SP as a source register
        in Thumb state and also as a destination in Arm state.  Add T16
        variants.

2020-02-10  Hans-Peter Nilsson  <hp@axis.com>

        * md.texi (Define Subst): Match closing paren in example.

2020-02-10  Jakub Jelinek  <jakub@redhat.com>

        PR target/58218
        PR other/93641
        * config/i386/i386.c (x86_64_elf_section_type_flags): Fix up last
        arguments of strncmp.

2020-02-10  Feng Xue  <fxue@os.amperecomputing.com>

        PR ipa/93203
        * ipa-cp.c (ipcp_lattice::add_value): Add source with same call edge
        but different source value.
        (adjust_callers_for_value_intersection): New function.
        (gather_edges_for_value): Adjust order of callers to let a
        non-self-recursive caller be the first element.
        (self_recursive_pass_through_p): Add a new parameter "simple", and
        check generalized self-recursive pass-through jump function.
        (self_recursive_agg_pass_through_p): Likewise.
        (find_more_scalar_values_for_callers_subset): Compute value from
        pass-through jump function for self-recursive.
        (intersect_with_plats): Cleanup previous implementation code for value
        itersection with self-recursive call edge.
        (intersect_with_agg_replacements): Likewise.
        (intersect_aggregates_with_edge): Deduce value from pass-through jump
        function for self-recursive call edge.  Cleanup previous implementation
        code for value intersection with self-recursive call edge.
        (decide_whether_version_node): Remove dead callers and adjust order
        to let a non-self-recursive caller be the first element.

2020-02-09  Uroš Bizjak  <ubizjak@gmail.com>

        * recog.c: Move pass_split_before_sched2 code in front of
        pass_split_before_regstack.
        (pass_data_split_before_sched2): Rename pass to split3 from split4.
        (pass_data_split_before_regstack): Rename pass to split4 from split3.
        (rest_of_handle_split_before_sched2): Remove.
        (pass_split_before_sched2::execute): Unconditionally call
        split_all_insns.
        (enable_split_before_sched2): New function.
        (pass_split_before_sched2::gate): Use enable_split_before_sched2.
        (pass_split_before_regstack::gate): Ditto.
        * config/nds32/nds32.c (nds32_split_double_word_load_store_p):
        Update name check for renamed split4 pass.
        * config/sh/sh.c (register_sh_passes): Update pass insertion
        point for renamed split4 pass.

2020-02-09  Jakub Jelinek  <jakub@redhat.com>

        * gimplify.c (gimplify_adjust_omp_clauses_1): Promote
        DECL_IN_CONSTANT_POOL variables into "omp declare target" to avoid
        copying them around between host and target.

2020-02-08  Andrew Pinski  <apinski@marvell.com>

        PR target/91927
        * config/aarch64/aarch64-simd.md (movmisalign<mode>): Check
        STRICT_ALIGNMENT also.

2020-02-08  Jim Wilson  <jimw@sifive.com>

        PR target/93532
        * config/riscv/riscv.h (HARD_REGNO_CALLER_SAVE_MODE): Define.

2020-02-08  Uroš Bizjak  <ubizjak@gmail.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/65782
        * config/i386/i386.h (CALL_USED_REGISTERS): Make
        xmm16-xmm31 call-used even in 64-bit ms-abi.

2020-02-07  Dennis Zhang  <dennis.zhang@arm.com>

        * config/aarch64/aarch64-simd-builtins.def (simd_smmla): New entry.
        (simd_ummla, simd_usmmla): Likewise.
        * config/aarch64/aarch64-simd.md (aarch64_simd_<sur>mmlav16qi): New.
        * config/aarch64/arm_neon.h (vmmlaq_s32, vmmlaq_u32): New.
        (vusmmlaq_s32): New.

2020-02-07  Richard Biener  <rguenther@suse.de>

        PR middle-end/93519
        * tree-inline.c (fold_marked_statements): Do a PRE walk,
        skipping unreachable regions.
        (optimize_inline_calls): Skip folding stmts when we didn't
        inline.

2020-02-07  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/85667
        * config/i386/i386.c (function_arg_ms_64): Add a type argument.
        Don't return aggregates with only SFmode and DFmode in SSE
        register.
        (ix86_function_arg): Pass arg.type to function_arg_ms_64.

2020-02-07  Jakub Jelinek  <jakub@redhat.com>

        PR target/93122
        * config/rs6000/rs6000-logue.c
        (rs6000_emit_probe_stack_range_stack_clash): Always use gen_add3_insn,
        if it fails, move rs into end_addr and retry.  Add
        REG_FRAME_RELATED_EXPR note whenever it returns more than one insn or
        the insn pattern doesn't describe well what exactly happens to
        dwarf2cfi.c.

        PR target/93594
        * config/i386/predicates.md (avx_identity_operand): Remove.
        * config/i386/sse.md (*avx_vec_concat<mode>_1): Remove.
        (avx_<castmode><avxsizesuffix>_<castmode>,
        avx512f_<castmode><avxsizesuffix>_256<castmode>): Change patterns to
        a VEC_CONCAT of the operand and UNSPEC_CAST.
        (avx512f_<castmode><avxsizesuffix>_<castmode>): Change pattern to
        a VEC_CONCAT of VEC_CONCAT of the operand and UNSPEC_CAST with
        UNSPEC_CAST.

        PR target/93611
        * config/i386/i386.c (ix86_lea_outperforms): Make sure to clear
        recog_data.insn if distance_non_agu_define changed it.

2020-02-06  Michael Meissner  <meissner@linux.ibm.com>

        PR target/93569
        * config/rs6000/rs6000.c (reg_to_non_prefixed): Before ISA 3.0
        we only had X-FORM (reg+reg) addressing for vectors.  Also before
        ISA 3.0, we only had X-FORM addressing for scalars in the
        traditional Altivec registers.

2020-02-06  <zhongyunde@huawei.com>
            Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/93561
        * lra-assigns.c (spill_for): Check that tested hard regno is not out of
        hard register range.

2020-02-06  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.md (aarch64_movk<mode>): Add a type
        attribute.

2020-02-06  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Handle the case
        where the low and the high 32 bits are equal to each other specially,
        with an rldimi instruction.

2020-02-06  Mihail Ionescu  <mihail.ionescu@arm.com>

        * config/arm/arm-cpus.in: Set profile M for armv8.1-m.main.

2020-02-06  Mihail Ionescu  <mihail.ionescu@arm.com>

        * config/arm/arm-tables.opt: Regenerate.

2020-02-06  Richard Sandiford  <richard.sandiford@arm.com>

        PR target/87763
        * config/aarch64/aarch64-protos.h (aarch64_movk_shift): Declare.
        * config/aarch64/aarch64.c (aarch64_movk_shift): New function.
        * config/aarch64/aarch64.md (aarch64_movk<mode>): New pattern.

2020-02-06  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/87763
        * config/aarch64/aarch64.md (*ashiftsi_extvdi_bfiz): New pattern.

2020-02-06  Delia Burduv  <delia.burduv@arm.com>

        * config/aarch64/aarch64-simd-builtins.def
        (bfmlaq): New built-in function.
        (bfmlalb): New built-in function.
        (bfmlalt): New built-in function.
        (bfmlalb_lane): New built-in function.
        (bfmlalt_lane): New built-in function.
        * config/aarch64/aarch64-simd.md
        (aarch64_bfmmlaqv4sf): New pattern.
        (aarch64_bfmlal<bt>v4sf): New pattern.
        (aarch64_bfmlal<bt>_lane<q>v4sf): New pattern.
        * config/aarch64/arm_neon.h (vbfmmlaq_f32): New intrinsic.
        (vbfmlalbq_f32): New intrinsic.
        (vbfmlaltq_f32): New intrinsic.
        (vbfmlalbq_lane_f32): New intrinsic.
        (vbfmlaltq_lane_f32): New intrinsic.
        (vbfmlalbq_laneq_f32): New intrinsic.
        (vbfmlaltq_laneq_f32): New intrinsic.
        * config/aarch64/iterators.md (BF_MLA): New int iterator.
        (bt): New int attribute.

2020-02-06  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*pushtf): Emit "#" instead of
        calling gcc_unreachable in insn output.
        (*pushxf): Ditto.
        (*pushdf): Ditto.
        (*pushsf_rex64): Ditto for alternatives other than 1.
        (*pushsf): Ditto for alternatives other than 1.

2020-02-06  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/91971
        PR gcov-profile/93466
        * coverage.c (coverage_init): Revert mangling of
        path into filename.  It can lead to huge filename length.
        Creation of subfolders seem more natural.

2020-02-06  Stam Markianos-Wright  <stam.markianos-wright@arm.com>

        PR target/93300
        * config/arm/arm.c (arm_block_arith_comp_libfuncs_for_mode): New.
        (arm_init_libfuncs): Add BFmode support to block spurious BF libfuncs.
        Use arm_block_arith_comp_libfuncs_for_mode for HFmode.

2020-02-06  Jakub Jelinek  <jakub@redhat.com>

        PR target/93594
        * config/i386/predicates.md (avx_identity_operand): New predicate.
        * config/i386/sse.md (*avx_vec_concat<mode>_1): New
        define_insn_and_split.

        PR libgomp/93515
        * omp-low.c (use_pointer_for_field): For nested constructs, also
        look for map clauses on target construct.
        (scan_omp_1_stmt) <case GIMPLE_OMP_TARGET>: Bump temporarily
        taskreg_nesting_level.

        PR libgomp/93515
        * gimplify.c (gimplify_scan_omp_clauses) <do_notice>: If adding
        shared clause, call omp_notice_variable on outer context if any.

2020-02-05  Jason Merrill  <jason@redhat.com>

        PR c++/92003
        * symtab.c (symtab_node::nonzero_address): A DECL_COMDAT decl has
        non-zero address even if weak and not yet defined.

2020-02-05  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/92765
        * gimple-fold.c (get_range_strlen_tree): Handle MEM_REF and PARM_DECL.
        * tree-ssa-strlen.c (compute_string_length): Remove.
        (determine_min_objsize): Remove.
        (get_len_or_size): Add an argument.  Call get_range_strlen_dynamic.
        Avoid using type size as the upper bound on string length.
        (handle_builtin_string_cmp): Add an argument.  Adjust.
        (strlen_check_and_optimize_call): Pass additional argument to
        handle_builtin_string_cmp.

2020-02-05  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*pushdi2_rex64 peephole2): Remove.
        (*pushdi2_rex64 peephole2): Unconditionally split after
        epilogue_completed.
        (*ashl<mode>3_doubleword): Ditto.
        (*<shift_insn><mode>3_doubleword): Ditto.

2020-02-05  Michael Meissner  <meissner@linux.ibm.com>

        PR target/93568
        * config/rs6000/rs6000.c (get_vector_offset): Fix

2020-02-05  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/t-gcn-hsa (MULTILIB_OPTIONS): Use / not space.

2020-02-05  David Malcolm  <dmalcolm@redhat.com>

        * doc/analyzer.texi
        (Special Functions for Debugging the Analyzer): Update description
        of __analyzer_dump_exploded_nodes.

2020-02-05  Jakub Jelinek  <jakub@redhat.com>

        PR target/92190
        * config/i386/i386-features.c (ix86_add_reg_usage_to_vzeroupper): Only
        include sets and not clobbers in the vzeroupper pattern.
        * config/i386/sse.md (*avx_vzeroupper): Require in insn condition that
        the parallel has 17 (64-bit) or 9 (32-bit) elts.
        (*avx_vzeroupper_1): New define_insn_and_split.

        PR target/92190
        * recog.c (pass_split_after_reload::gate): For STACK_REGS targets,
        don't run when !optimize.
        (pass_split_before_regstack::gate): For STACK_REGS targets, run even
        when !optimize.

2020-02-05  Richard Biener  <rguenther@suse.de>

        PR middle-end/90648
        * genmatch.c (dt_node::gen_kids_1): Emit number of argument
        checks before matching calls.

2020-02-05  Jakub Jelinek  <jakub@redhat.com>

        * tree-ssa-alias.c (aliasing_matching_component_refs_p): Fix up
        function comment typo.

        PR middle-end/93555
        * omp-simd-clone.c (expand_simd_clones): If simd_clone_mangle or
        simd_clone_create failed when i == 0, adjust clone->nargs by
        clone->inbranch.

2020-02-05  Martin Liska  <mliska@suse.cz>

        PR c++/92717
        * doc/invoke.texi: Document that one should
        not combine ASLR and -fpch.

2020-02-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/93538
        * match.pd (addr EQ/NE ptr): Amend to handle &ptr->x EQ/NE ptr.

2020-02-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/91123
        * tree-ssa-sccvn.c (vn_walk_cb_data::finish): New method.
        (vn_walk_cb_data::last_vuse): New member.
        (vn_walk_cb_data::saved_operands): Likewsie.
        (vn_walk_cb_data::~vn_walk_cb_data): Release saved_operands.
        (vn_walk_cb_data::push_partial_def): Use finish.
        (vn_reference_lookup_2): Update last_vuse and use finish if
        we've saved operands.
        (vn_reference_lookup_3): Use finish and update calls to
        push_partial_defs everywhere.  When translating through
        memcpy or aggregate copies save off operands and alias-set.
        (eliminate_dom_walker::eliminate_stmt): Restore VN_WALKREWRITE
        operation for redundant store removal.

2020-02-04  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/92819
        * tree-ssa-forwprop.c (simplify_vector_constructor): Avoid
        generating more stmts than before.

2020-02-04  Martin Liska  <mliska@suse.cz>

        * config/arm/arm.c (arm_gen_far_branch): Move the function
        outside of selftests.

2020-02-03  Michael Meissner  <meissner@linux.ibm.com>

        * config/rs6000/rs6000.c (adjust_vec_address_pcrel): New helper
        function to adjust PC-relative vector addresses.
        (rs6000_adjust_vec_address): Call adjust_vec_address_pcrel to
        handle vectors with PC-relative addresses.

2020-02-03  Michael Meissner  <meissner@linux.ibm.com>

        * config/rs6000/rs6000.c (reg_to_non_prefixed): Add forward
        reference.
        (hard_reg_and_mode_to_addr_mask): Delete.
        (rs6000_adjust_vec_address): If the original vector address
        was REG+REG or REG+OFFSET and the element is not zero, do the add
        of the elements in the original address before adding the offset
        for the vector element.  Use address_to_insn_form to validate the
        address using the register being loaded, rather than guessing
        whether the address is a DS-FORM or DQ-FORM address.

2020-02-03  Michael Meissner  <meissner@linux.ibm.com>

        * config/rs6000/rs6000.c (get_vector_offset): New helper function
        to calculate the offset in memory from the start of a vector of a
        particular element.  Add code to keep the element number in
        bounds if the element number is variable.
        (rs6000_adjust_vec_address): Move calculation of offset of the
        vector element to get_vector_offset.
        (rs6000_split_vec_extract_var): Do not do the initial AND of
        element here, move the code to get_vector_offset.

2020-02-03  Michael Meissner  <meissner@linux.ibm.com>

        * config/rs6000/rs6000.c (rs6000_adjust_vec_address): Add some
        gcc_asserts.

2020-02-03  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/constraints.md: Improve documentation.

2020-02-03  Richard Earnshaw  <rearnsha@arm.com>

        PR target/93548
        * config/arm/t-arm: ($(srcdir)/config/arm/arm-tune.md)
        ($(srcdir)/config/arm/arm-tables.opt): Use move-if-change.

2020-02-03  Andrew Stubbs  <ams@codesourcery.com>

        * config.gcc: Remove "carrizo" support.
        * config/gcn/gcn-opts.h (processor_type): Likewise.
        * config/gcn/gcn.c (gcn_omp_device_kind_arch_isa): Likewise.
        * config/gcn/gcn.opt (gpu_type): Likewise.
        * config/gcn/t-omp-device: Likewise.

2020-02-03  Stam Markianos-Wright  <stam.markianos-wright@arm.com>

        PR target/91816
        * config/arm/arm-protos.h: New function arm_gen_far_branch prototype.
        * config/arm/arm.c (arm_gen_far_branch): New function
        arm_gen_far_branch.
        * config/arm/arm.md: Update b<cond> for Thumb2 range checks.

2020-02-03  Julian Brown  <julian@codesourcery.com>
            Tobias Burnus  <tobias@codesourcery.com>

        * doc/invoke.texi: Update mention of OpenACC version to 2.6.

2020-02-03  Jakub Jelinek  <jakub@redhat.com>

        PR target/93533
        * config/s390/s390.md (popcounthi2_z196): Fix up expander to emit
        valid RTL to sum up the lowest and second lowest bytes of the popcnt
        result.

2020-02-02  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/91333
        * ira-color.c (struct allocno_color_data): Add member
        hard_reg_prefs.
        (init_allocno_threads): Set the member up.
        (bucket_allocno_compare_func): Add compare hard reg
        prefs.

2020-01-31  Sandra Loosemore  <sandra@codesourcery.com>

        nios2: Support for GOT-relative DW_EH_PE_datarel encoding.

        * configure.ac [nios2-*-*]: Check HAVE_AS_NIOS2_GOTOFF_RELOCATION.
        * config.in: Regenerated.
        * configure: Regenerated.
        * config/nios2/nios2.h (ASM_PREFERRED_EH_DATA_FORMAT): Fix handling
        for PIC when HAVE_AS_NIOS2_GOTOFF_RELOCATION.
        (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.

2020-02-01  Andrew Burgess  <andrew.burgess@embecosm.com>

        * configure: Regenerate.

2020-01-31  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/91333
        * ira-color.c (bucket_allocno_compare_func): Move conflict hard
        reg preferences comparison up.

2020-01-31  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.h (TARGET_SVE_BF16): New macro.
        * config/aarch64/aarch64-sve-builtins-sve2.h (svcvtnt): Move to
        aarch64-sve-builtins-base.h.
        * config/aarch64/aarch64-sve-builtins-sve2.cc (svcvtnt): Move to
        aarch64-sve-builtins-base.cc.
        * config/aarch64/aarch64-sve-builtins-base.h (svbfdot, svbfdot_lane)
        (svbfmlalb, svbfmlalb_lane, svbfmlalt, svbfmlalt_lane, svbfmmla)
        (svcvtnt): Declare.
        * config/aarch64/aarch64-sve-builtins-base.cc (svbfdot, svbfdot_lane)
        (svbfmlalb, svbfmlalb_lane, svbfmlalt, svbfmlalt_lane, svbfmmla)
        (svcvtnt): New functions.
        * config/aarch64/aarch64-sve-builtins-base.def (svbfdot, svbfdot_lane)
        (svbfmlalb, svbfmlalb_lane, svbfmlalt, svbfmlalt_lane, svbfmmla)
        (svcvtnt): New functions.
        (svcvt): Add a form that converts f32 to bf16.
        * config/aarch64/aarch64-sve-builtins-shapes.h (ternary_bfloat)
        (ternary_bfloat_lane, ternary_bfloat_lanex2, ternary_bfloat_opt_n):
        Declare.
        * config/aarch64/aarch64-sve-builtins-shapes.cc (parse_element_type):
        Treat B as bfloat16_t.
        (ternary_bfloat_lane_base): New class.
        (ternary_bfloat_def): Likewise.
        (ternary_bfloat): New shape.
        (ternary_bfloat_lane_def): New class.
        (ternary_bfloat_lane): New shape.
        (ternary_bfloat_lanex2_def): New class.
        (ternary_bfloat_lanex2): New shape.
        (ternary_bfloat_opt_n_def): New class.
        (ternary_bfloat_opt_n): New shape.
        * config/aarch64/aarch64-sve-builtins.cc (TYPES_cvt_bfloat): New macro.
        * config/aarch64/aarch64-sve.md (@aarch64_sve_<sve_fp_op>vnx4sf)
        (@aarch64_sve_<sve_fp_op>_lanevnx4sf): New patterns.
        (@aarch64_sve_<optab>_trunc<VNx4SF_ONLY:mode><VNx8BF_ONLY:mode>)
        (@cond_<optab>_trunc<VNx4SF_ONLY:mode><VNx8BF_ONLY:mode>): Likewise.
        (*cond_<optab>_trunc<VNx4SF_ONLY:mode><VNx8BF_ONLY:mode>): Likewise.
        (@aarch64_sve_cvtnt<VNx8BF_ONLY:mode>): Likewise.
        * config/aarch64/aarch64-sve2.md (@aarch64_sve2_cvtnt<mode>): Key
        the pattern off the narrow mode instead of the wider one.
        * config/aarch64/iterators.md (VNx8BF_ONLY): New mode iterator.
        (UNSPEC_BFMLALB, UNSPEC_BFMLALT, UNSPEC_BFMMLA): New unspecs.
        (sve_fp_op): Handle them.
        (SVE_BFLOAT_TERNARY_LONG): New int itertor.
        (SVE_BFLOAT_TERNARY_LONG_LANE): Likewise.

2020-01-31  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/arm_sve.h: Include arm_bf16.h.
        * config/aarch64/aarch64-modes.def (BF): Move definition before
        VECTOR_MODES.  Remove separate VECTOR_MODES for V4BF and V8BF.
        (SVE_MODES): Handle BF modes.
        * config/aarch64/aarch64.c (aarch64_classify_vector_mode): Handle
        BF modes.
        (aarch64_full_sve_mode): Likewise.
        * config/aarch64/iterators.md (SVE_STRUCT): Add VNx16BF, VNx24BF
        and VNx32BF.
        (SVE_FULL, SVE_FULL_HSD, SVE_ALL): Add VNx8BF.
        (Vetype, Vesize, Vctype, VEL, Vel, VEL_INT, V128, v128, vwcore)
        (V_INT_EQUIV, v_int_equiv, V_FP_EQUIV, v_fp_equiv, vector_count)
        (insn_length, VSINGLE, vsingle, VPRED, vpred, VDOUBLE): Handle the
        new SVE BF modes.
        * config/aarch64/aarch64-sve-builtins.h (TYPE_bfloat): New
        type_class_index.
        * config/aarch64/aarch64-sve-builtins.cc (TYPES_all_arith): New macro.
        (TYPES_all_data): Add bf16.
        (TYPES_reinterpret1, TYPES_reinterpret): Likewise.
        (register_tuple_type): Increase buffer size.
        * config/aarch64/aarch64-sve-builtins.def (svbfloat16_t): New type.
        (bf16): New type suffix.
        * config/aarch64/aarch64-sve-builtins-base.def (svabd, svadd, svaddv)
        (svcmpeq, svcmpge, svcmpgt, svcmple, svcmplt, svcmpne, svmad, svmax)
        (svmaxv, svmin, svminv, svmla, svmls, svmsb, svmul, svsub, svsubr):
        Change type from all_data to all_arith.
        * config/aarch64/aarch64-sve-builtins-sve2.def (svaddp, svmaxp)
        (svminp): Likewise.

2020-01-31  Dennis Zhang  <dennis.zhang@arm.com>
            Matthew Malcomson  <matthew.malcomson@arm.com>
            Richard Sandiford  <richard.sandiford@arm.com>

        * doc/invoke.texi (f32mm): Document new AArch64 -march= extension.
        * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Define
        __ARM_FEATURE_SVE_MATMUL_INT8, __ARM_FEATURE_SVE_MATMUL_FP32 and
        __ARM_FEATURE_SVE_MATMUL_FP64 as appropriate.  Don't define
        __ARM_FEATURE_MATMUL_FP64.
        * config/aarch64/aarch64-option-extensions.def (fp, simd, fp16)
        (sve): Add AARCH64_FL_F32MM to the list of extensions that should
        be disabled at the same time.
        (f32mm): New extension.
        * config/aarch64/aarch64.h (AARCH64_FL_F32MM): New macro.
        (AARCH64_FL_F64MM): Bump to the next bit up.
        (AARCH64_ISA_F32MM, TARGET_SVE_I8MM, TARGET_F32MM, TARGET_SVE_F32MM)
        (TARGET_SVE_F64MM): New macros.
        * config/aarch64/iterators.md (SVE_MATMULF): New mode iterator.
        (UNSPEC_FMMLA, UNSPEC_SMATMUL, UNSPEC_UMATMUL, UNSPEC_USMATMUL)
        (UNSPEC_TRN1Q, UNSPEC_TRN2Q, UNSPEC_UZP1Q, UNSPEC_UZP2Q, UNSPEC_ZIP1Q)
        (UNSPEC_ZIP2Q): New unspeccs.
        (DOTPROD_US_ONLY, PERMUTEQ, MATMUL, FMMLA): New int iterators.
        (optab, sur, perm_insn): Handle the new unspecs.
        (sve_fp_op): Handle UNSPEC_FMMLA.  Resort.
        * config/aarch64/aarch64-sve.md (@aarch64_sve_ld1ro<mode>): Use
        TARGET_SVE_F64MM instead of separate tests.
        (@aarch64_<DOTPROD_US_ONLY:sur>dot_prod<vsi2qi>): New pattern.
        (@aarch64_<DOTPROD_US_ONLY:sur>dot_prod_lane<vsi2qi>): Likewise.
        (@aarch64_sve_add_<MATMUL:optab><vsi2qi>): Likewise.
        (@aarch64_sve_<FMMLA:sve_fp_op><mode>): Likewise.
        (@aarch64_sve_<PERMUTEQ:optab><mode>): Likewise.
        * config/aarch64/aarch64-sve-builtins.cc (TYPES_s_float): New macro.
        (TYPES_s_float_hsd_integer, TYPES_s_float_sd_integer): Use it.
        (TYPES_s_signed): New macro.
        (TYPES_s_integer): Use it.
        (TYPES_d_float): New macro.
        (TYPES_d_data): Use it.
        * config/aarch64/aarch64-sve-builtins-shapes.h (mmla): Declare.
        (ternary_intq_uintq_lane, ternary_intq_uintq_opt_n, ternary_uintq_intq)
        (ternary_uintq_intq_lane, ternary_uintq_intq_opt_n): Likewise.
        * config/aarch64/aarch64-sve-builtins-shapes.cc (mmla_def): New class.
        (svmmla): New shape.
        (ternary_resize2_opt_n_base): Add TYPE_CLASS2 and TYPE_CLASS3
        template parameters.
        (ternary_resize2_lane_base): Likewise.
        (ternary_resize2_base): New class.
        (ternary_qq_lane_base): Likewise.
        (ternary_intq_uintq_lane_def): Likewise.
        (ternary_intq_uintq_lane): New shape.
        (ternary_intq_uintq_opt_n_def): New class
        (ternary_intq_uintq_opt_n): New shape.
        (ternary_qq_lane_def): Inherit from ternary_qq_lane_base.
        (ternary_uintq_intq_def): New class.
        (ternary_uintq_intq): New shape.
        (ternary_uintq_intq_lane_def): New class.
        (ternary_uintq_intq_lane): New shape.
        (ternary_uintq_intq_opt_n_def): New class.
        (ternary_uintq_intq_opt_n): New shape.
        * config/aarch64/aarch64-sve-builtins-base.h (svmmla, svsudot)
        (svsudot_lane, svtrn1q, svtrn2q, svusdot, svusdot_lane, svusmmla)
        (svuzp1q, svuzp2q, svzip1q, svzip2q): Declare.
        * config/aarch64/aarch64-sve-builtins-base.cc (svdot_lane_impl):
        Generalize to...
        (svdotprod_lane_impl): ...this new class.
        (svmmla_impl, svusdot_impl): New classes.
        (svdot_lane): Update to use svdotprod_lane_impl.
        (svmmla, svsudot, svsudot_lane, svtrn1q, svtrn2q, svusdot)
        (svusdot_lane, svusmmla, svuzp1q, svuzp2q, svzip1q, svzip2q): New
        functions.
        * config/aarch64/aarch64-sve-builtins-base.def (svmmla): New base
        function, with no types defined.
        (svmmla, svusmmla, svsudot, svsudot_lane, svusdot, svusdot_lane): New
        AARCH64_FL_I8MM functions.
        (svmmla): New AARCH64_FL_F32MM function.
        (svld1ro): Depend only on AARCH64_FL_F64MM, not on AARCH64_FL_V8_6.
        (svmmla, svtrn1q, svtrn2q, svuz1q, svuz2q, svzip1q, svzip2q): New
        AARCH64_FL_F64MM function.
        (REQUIRED_EXTENSIONS):

2020-01-31  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (addv64di3_exec): Allow one '0' in each
        alternative only.

2020-01-31  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movoi_internal_avx): Do not check for
        TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.  Remove MODE_V8SF handling.
        (*movti_internal): Do not check for
        TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
        (*movtf_internal): Move check for TARGET_SSE2 and size optimization
        just after check for TARGET_AVX.
        (*movdf_internal): Ditto.
        * config/i386/mmx.md (*mov<mode>_internal): Do not check for
        TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
        * config/i386/sse.md (mov<mode>_internal): Only check
        TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL with V2DFmode.  Move check
        for TARGET_SSE2 and size optimization just after check for TARGET_AVX.
        (<sse>_andnot<mode>3<mask_name>): Move check for
        TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL after check for TARGET_AVX.
        (<code><mode>3<mask_name>): Ditto.
        (*andnot<mode>3): Ditto.
        (*andnottf3): Ditto.
        (*<code><mode>3): Ditto.
        (*<code>tf3): Ditto.
        (*andnot<VI:mode>3): Remove
        TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL handling.
        (<mask_codefor><code><VI48_AVX_AVX512F:mode>3<mask_name>): Ditto.
        (*<code><VI12_AVX_AVX512F:mode>3): Ditto.
        (sse4_1_blendv<ssemodesuffix>): Ditto.
        * config/i386/x86-tune.def (X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL):
        Explain that tune applies to 128bit instructions only.

2020-01-31  Kwok Cheung Yeung  <kcy@codesourcery.com>

        * config/gcn/mkoffload.c (process_asm): Add sgpr_count and vgpr_count
        to definition of hsa_kernel_description.  Parse assembly to find SGPR
        and VGPR count of kernel and store in hsa_kernel_description.

2020-01-31  Tamar Christina  <tamar.christina@arm.com>

        PR rtl-optimization/91838
        * simplify-rtx.c (simplify_binary_operation_1): Update LSHIFTRT case
        to truncate if allowed or reject combination.

2020-01-31  Andrew Stubbs  <ams@codesourcery.com>

        * tree-ssa-loop-ivopts.c (get_iv): Use sizetype for zero-step.
        (find_inv_vars_cb): Likewise.

2020-01-31  David Malcolm  <dmalcolm@redhat.com>

        * calls.c (special_function_p): Split out the check for DECL_NAME
        being non-NULL and fndecl being extern at file scope into a
        new maybe_special_function_p and call it.  Drop check for fndecl
        being non-NULL that was after a usage of DECL_NAME (fndecl).
        * tree.h (maybe_special_function_p): New inline function.

2020-01-30  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (gather<mode>_exec): Move contents ...
        (mask_gather_load<mode>): ... here, and zero-initialize the
        destination.
        (maskload<mode>di): Zero-initialize the destination.
        * config/gcn/gcn.c:

2020-01-30  David Malcolm  <dmalcolm@redhat.com>

        PR analyzer/93356
        * doc/analyzer.texi (Limitations): Note that constraints on
        floating-point values are currently ignored.

2020-01-30  Jakub Jelinek  <jakub@redhat.com>

        PR lto/93384
        * symtab.c (symtab_node::noninterposable_alias): If localalias
        already exists, but is not usable, append numbers after it until
        a unique name is found.  Formatting fix.

        PR middle-end/93505
        * combine.c (simplify_comparison) <case ROTATE>: Punt on out of range
        rotate counts.

2020-01-30  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn.c (print_operand): Handle LTGT.
        * config/gcn/predicates.md (gcn_fp_compare_operator): Allow ltgt.

2020-01-30  Richard Biener  <rguenther@suse.de>

        * tree-pretty-print.c (dump_generic_node): Wrap VECTOR_CST
        and CONSTRUCTOR in _Literal (type) with TDF_GIMPLE.

2020-01-30  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.c (pa_elf_select_rtx_section): Place function pointers
        without a DECL in .data.rel.ro.local.

2020-01-30  Jakub Jelinek  <jakub@redhat.com>

        PR target/93494
        * config/arm/arm.md (uaddvdi4): Actually emit what gen_uaddvsi4
        returned.

        PR target/91824
        * config/i386/sse.md
        (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_zext): Renamed to ...
        (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_<u>ext): ... this.  Use
        any_extend code iterator instead of always zero_extend.
        (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_zext_lt): Renamed to ...
        (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_<u>ext_lt): ... this.
        Use any_extend code iterator instead of always zero_extend.
        (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_zext_shift): Renamed to ...
        (*<sse>_movmsk<ssemodesuffix><avxsizesuffix>_<u>ext_shift): ... this.
        Use any_extend code iterator instead of always zero_extend.
        (*sse2_pmovmskb_ext): New define_insn.
        (*sse2_pmovmskb_ext_lt): New define_insn_and_split.

        PR target/91824
        * config/i386/i386.md (*popcountsi2_zext): New define_insn_and_split.
        (*popcountsi2_zext_falsedep): New define_insn.

2020-01-30  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>

        * config.in: Regenerated.
        * configure: Regenerated.

2020-01-29  Tobias Burnus  <tobias@codesourcery.com>

        PR bootstrap/93409
        * config/gcn/gcn-hsa.h (ASM_SPEC): Add -mattr=-code-object-v3 as
        LLVM's assembler changed the default in version 9.

2020-01-24  Jeff Law  <law@redhat.com>

        PR tree-optimization/89689
        * builtins.def (BUILT_IN_OBJECT_SIZE): Make it const rather than pure.

2020-01-29  Richard Sandiford  <richard.sandiford@arm.com>

        Revert:

        2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/87763
        * simplify-rtx.c (simplify_truncation): Extend sign/zero_extract
        simplification to handle subregs as well as bare regs.
        * config/i386/i386.md (*testqi_ext_3): Match QI extracts too.

2020-01-29  Joel Hutton  <Joel.Hutton@arm.com>

        PR target/93221
        * ira.c (ira): Revert use of simplified LRA algorithm.

2020-01-29  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/92706
        * tree-sra.c (struct access): Fields first_link, last_link,
        next_queued and grp_queued renamed to first_rhs_link, last_rhs_link,
        next_rhs_queued and grp_rhs_queued respectively, new fields
        first_lhs_link, last_lhs_link, next_lhs_queued and grp_lhs_queued.
        (struct assign_link): Field next renamed to next_rhs, new field
        next_lhs.  Updated comment.
        (work_queue_head): Renamed to rhs_work_queue_head.
        (lhs_work_queue_head): New variable.
        (add_link_to_lhs): New function.
        (relink_to_new_repr): Also relink LHS lists.
        (add_access_to_work_queue): Renamed to add_access_to_rhs_work_queue.
        (add_access_to_lhs_work_queue): New function.
        (pop_access_from_work_queue): Renamed to
        pop_access_from_rhs_work_queue.
        (pop_access_from_lhs_work_queue): New function.
        (build_accesses_from_assign): Also add links to LHS lists and to LHS
        work_queue.
        (child_would_conflict_in_lacc): Renamed to
        child_would_conflict_in_acc.  Adjusted parameter names.
        (create_artificial_child_access): New parameter set_grp_read, use it.
        (subtree_mark_written_and_enqueue): Renamed to
        subtree_mark_written_and_rhs_enqueue.
        (propagate_subaccesses_across_link): Renamed to
        propagate_subaccesses_from_rhs.
        (propagate_subaccesses_from_lhs): New function.
        (propagate_all_subaccesses): Also propagate subaccesses from LHSs to
        RHSs.

2020-01-29  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/92706
        * tree-sra.c (struct access): Adjust comment of
        grp_total_scalarization.
        (find_access_in_subtree): Look for single children spanning an entire
        access.
        (scalarizable_type_p): Allow register accesses, adjust callers.
        (completely_scalarize): Remove function.
        (scalarize_elem): Likewise.
        (create_total_scalarization_access): Likewise.
        (sort_and_splice_var_accesses): Do not track total scalarization
        flags.
        (analyze_access_subtree): New parameter totally, adjust to new meaning
        of grp_total_scalarization.
        (analyze_access_trees): Pass new parameter to analyze_access_subtree.
        (can_totally_scalarize_forest_p): New function.
        (create_total_scalarization_access): Likewise.
        (create_total_access_and_reshape): Likewise.
        (total_should_skip_creating_access): Likewise.
        (totally_scalarize_subtree): Likewise.
        (analyze_all_variable_accesses): Perform total scalarization after
        subaccess propagation using the new functions above.
        (initialize_constant_pool_replacements): Output initializers by
        traversing the access tree.

2020-01-29  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (verify_sra_access_forest): New function.
        (verify_all_sra_access_forests): Likewise.
        (create_artificial_child_access): Set parent.
        (analyze_all_variable_accesses): Call the verifier.

2020-01-28  Jan Hubicka  <hubicka@ucw.cz>

        * cgraph.c (cgraph_edge::resolve_speculation): Only lookup direct edge
        if called on indirect edge.
        (cgraph_edge::redirect_call_stmt_to_callee): Lookup indirect edge of
        speculative call if needed.

2020-01-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/93428
        * tree-vect-slp.c (vect_build_slp_tree_2): Compute the load
        permutation when the load node is created.
        (vect_analyze_slp_instance): Re-use it here.

2020-01-28  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-prop.c (update_indirect_edges_after_inlining): Fix warning.

2020-01-28  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/93272
        * ira-lives.c (process_out_of_region_eh_regs): New function.
        (process_bb_node_lives): Call it.

2020-01-28  Jan Hubicka  <hubicka@ucw.cz>

        * coverage.c (read_counts_file): Make error message lowercase.

2020-01-28  Jan Hubicka  <hubicka@ucw.cz>

        * profile-count.c (profile_quality_display_names): Fix ordering.

2020-01-28  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/93318    
        * cgraph.c (cgraph_add_edge_to_call_site_hash): Update call site
        hash only when edge is first within the sequence.
        (cgraph_edge::set_call_stmt): Update handling of speculative calls.
        (symbol_table::create_edge): Do not set target_prob.
        (cgraph_edge::remove_caller): Watch for speculative calls when updating
        the call site hash.
        (cgraph_edge::make_speculative): Drop target_prob parameter.
        (cgraph_edge::speculative_call_info): Remove.
        (cgraph_edge::first_speculative_call_target): New member function.
        (update_call_stmt_hash_for_removing_direct_edge): New function.
        (cgraph_edge::resolve_speculation): Rewrite to new API.
        (cgraph_edge::speculative_call_for_target): New member function.
        (cgraph_edge::make_direct): Rewrite to new API; fix handling of
        multiple speculation targets.
        (cgraph_edge::redirect_call_stmt_to_callee): Likewise; fix updating
        of profile.
        (verify_speculative_call): Verify that targets form an interval.
        * cgraph.h (cgraph_edge::speculative_call_info): Remove.
        (cgraph_edge::first_speculative_call_target): New member function.
        (cgraph_edge::next_speculative_call_target): New member function.
        (cgraph_edge::speculative_call_target_ref): New member function.
        (cgraph_edge;:speculative_call_indirect_edge): New member funtion.
        (cgraph_edge): Remove target_prob.
        * cgraphclones.c (cgraph_node::set_call_stmt_including_clones):
        Fix handling of speculative calls.
        * ipa-devirt.c (ipa_devirt): Fix handling of speculative cals.
        * ipa-fnsummary.c (analyze_function_body): Likewise.
        * ipa-inline.c (speculation_useful_p): Use new speculative call API.
        * ipa-profile.c (dump_histogram): Fix formating.
        (ipa_profile_generate_summary): Watch for overflows.
        (ipa_profile): Do not require probablity to be 1/2; update to new API.
        * ipa-prop.c (ipa_make_edge_direct_to_target): Update to new API.
        (update_indirect_edges_after_inlining): Update to new API.
        * ipa-utils.c (ipa_merge_profiles): Rewrite merging of speculative call
        profiles.
        * profile-count.h: (profile_probability::adjusted): New.
        * tree-inline.c (copy_bb): Update to new speculative call API; fix
        updating of profile.
        * value-prof.c (gimple_ic_transform): Rename to ...
        (dump_ic_profile): ... this one; update dumping.
        (stream_in_histogram_value): Fix formating.
        (gimple_value_profile_transformations): Update.

2020-01-28  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/91461
        * config/i386/i386.md (*movoi_internal_avx): Remove
        TARGET_SSE_TYPELESS_STORES check.
        (*movti_internal): Prefer TARGET_AVX over
        TARGET_SSE_TYPELESS_STORES.
        (*movtf_internal): Likewise.
        * config/i386/sse.md (mov<mode>_internal): Prefer TARGET_AVX over
        TARGET_SSE_TYPELESS_STORES.  Remove "<MODE_SIZE> == 16" check
        from TARGET_SSE_TYPELESS_STORES.

2020-01-28  David Malcolm  <dmalcolm@redhat.com>

        * diagnostic-core.h (warning_at): Rename overload to...
        (warning_meta): ...this.
        (emit_diagnostic_valist): Delete decl of overload taking
        diagnostic_metadata.
        * diagnostic.c (emit_diagnostic_valist): Likewise for defn.
        (warning_at): Rename overload taking diagnostic_metadata to...
        (warning_meta): ...this.

2020-01-28  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/93439
        * tree-parloops.c (create_loop_fn): Move clique bookkeeping...
        * tree-cfg.c (move_sese_region_to_fn): ... here.
        (verify_types_in_gimple_reference): Verify used cliques are
        tracked.

2020-01-28  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/91399
        * config/i386/i386-options.c (set_ix86_tune_features): Add an
        argument of a pointer to struct gcc_options and pass it to
        parse_mtune_ctrl_str.
        (ix86_function_specific_restore): Pass opts to
        set_ix86_tune_features.
        (ix86_option_override_internal): Likewise.
        (parse_mtune_ctrl_str): Add an argument of a pointer to struct
        gcc_options and use it for x_ix86_tune_ctrl_string.

2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/87763
        * simplify-rtx.c (simplify_truncation): Extend sign/zero_extract
        simplification to handle subregs as well as bare regs.
        * config/i386/i386.md (*testqi_ext_3): Match QI extracts too.

2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-vect-loop.c (vectorizable_reduction): Fail gracefully
        for reduction chains that (now) include a call.

2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/92822
        * tree-ssa-forwprop.c (simplify_vector_constructor): When filling
        out the don't-care elements of a vector whose significant elements
        are duplicates, make the don't-care elements duplicates too.

2020-01-28  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/93434
        * tree-predcom.c (split_data_refs_to_components): Record which
        components have had aliasing loads removed.  Prevent store-store
        commoning for all such components.

2020-01-28  Jakub Jelinek  <jakub@redhat.com>

        PR target/93418
        * config/i386/i386.c (ix86_fold_builtin) <do_shift>: If mask is not
        -1 or is_vshift is true, use new_vector with number of elts npatterns
        rather than new_unary_operation.

        PR tree-optimization/93454
        * gimple-fold.c (fold_array_ctor_reference): Perform
        elt_size.to_uhwi () just once, instead of calling it in every
        iteration.  Punt if that value is above size of the temporary
        buffer.  Decrease third native_encode_expr argument when
        bufoff + elt_sz is above size of buf.

2020-01-27  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/mips.c (mips_declare_object_name)
        [USE_GNU_UNIQUE_OBJECT]: Support use of gnu_unique_object.

2020-01-27  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/93403
        * tree-profile.c (gimple_init_gcov_profiler): Generate
        both __gcov_indirect_call_profiler_v4 and
        __gcov_indirect_call_profiler_v4_atomic.

2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>

        PR target/92822
        * config/aarch64/aarch64-simd.md (aarch64_get_half<mode>): New
        expander.
        (@aarch64_split_simd_mov<mode>): Use it.
        (aarch64_simd_mov_from_<mode>low): Add a GPR alternative.
        Leave the vec_extract patterns to handle 2-element vectors.
        (aarch64_simd_mov_from_<mode>high): Likewise.
        (vec_extract<VQMOV_NO2E:mode><Vhalf>): New expander.
        (vec_extractv2dfv1df): Likewise.

2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.c (aarch64_if_then_else_costs): Match
        jump conditions for *compare_condjump<GPI:mode>.

2020-01-27  David Malcolm  <dmalcolm@redhat.com>

        PR analyzer/93276
        * digraph.cc (test_edge::test_edge): Specify template for base
        class initializer.

2020-01-27  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc.c (arc_rtx_costs): Update mul64 cost.

2020-01-27  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/arc-protos.h (gen_mlo): Remove.
        (gen_mhi): Likewise.
        * config/arc/arc.c (AUX_MULHI): Define.
        (arc_must_save_reister): Special handling for r58/59.
        (arc_compute_frame_size): Consider mlo/mhi registers.
        (arc_save_callee_saves): Emit fp/sp move only when emit_move
        paramter is true.
        (arc_conditional_register_usage): Remove TARGET_BIG_ENDIAN from
        mlo/mhi name selection.
        (arc_restore_callee_saves): Don't early restore blink when ISR.
        (arc_expand_prologue): Add mlo/mhi saving.
        (arc_expand_epilogue): Add mlo/mhi restoring.
        (gen_mlo): Remove.
        (gen_mhi): Remove.
        * config/arc/arc.h (DBX_REGISTER_NUMBER): Correct register
        numbering when MUL64 option is used.
        (DWARF2_FRAME_REG_OUT): Define.
        * config/arc/arc.md (arc600_stall): New pattern.
        (VUNSPEC_ARC_ARC600_STALL): Define.
        (mulsi64): Use correct mlo/mhi registers.
        (mulsi_600): Clean it up.
        * config/arc/predicates.md (mlo_operand): Remove any dependency on
        TARGET_BIG_ENDIAN.
        (mhi_operand): Likewise.

2020-01-27  Claudiu Zissulescu  <claziss@synopsys.com>
            Petro Karashchenko  <petro.karashchenko@ring.com>

        * config/arc/arc.c (arc_is_uncached_mem_p): Check struct
        attributes if needed.
        (prepare_move_operands): Generate special unspec instruction for
        direct access.
        (arc_isuncached_mem_p): Propagate uncached attribute to each
        structure member.
        * config/arc/arc.md (VUNSPEC_ARC_LDDI): Define.
        (VUNSPEC_ARC_STDI): Likewise.
        (ALLI): New mode iterator.
        (mALLI): New mode attribute.
        (lddi): New instruction pattern.
        (stdi): Likewise.
        (stdidi_split): Split instruction for architectures which are not
        supporting ll64 option.
        (lddidi_split): Likewise.

2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/92989
        * lra-lives.c (process_bb_lives): Update the live-in set before
        processing additional clobbers.

2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/93170
        * cselib.c (cselib_invalidate_regno_val): New function, split out
        from...
        (cselib_invalidate_regno): ...here.
        (cselib_invalidated_by_call_p): New function.
        (cselib_process_insn): Iterate over all the hard-register entries in
        REG_VALUES and invalidate any that cross call-clobbered registers.

2020-01-27  Richard Sandiford  <richard.sandiford@arm.com>

        * dojump.c (split_comparison): Use HONOR_NANS rather than
        HONOR_SNANS when splitting LTGT.

2020-01-27  Martin Liska  <mliska@suse.cz>

        PR driver/91220
        * opts.c (print_filtered_help): Exclude language-specific
        options from --help=common unless enabled in all FEs.

2020-01-27  Martin Liska  <mliska@suse.cz>

        * opts.c (print_help): Exclude params from
        all except --help=param.

2020-01-27  Martin Liska  <mliska@suse.cz>

        PR target/93274
        * config/i386/i386-features.c (make_resolver_func):
        Align the code with ppc64 target implementation.
        Do not generate a unique name for resolver function.

2020-01-27  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/93397
        * tree-vect-slp.c (vect_analyze_slp_instance): Delay
        converted reduction chain SLP graph adjustment.

2020-01-26  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/93436
        * sanopt.c (sanitize_rewrite_addressable_params): Avoid crash on
        null DECL_NAME.

2020-01-26  Jason Merrill  <jason@redhat.com>

        PR c++/92601
        * tree.c (verify_type_variant): Only verify TYPE_NEEDS_CONSTRUCTING
        of complete types.

2020-01-26  Darius Galis  <darius.galis@cyberthorstudios.com>

        * config/rx/rx.md (setmemsi): Added rx_allow_string_insns constraint
        (rx_setmem): Likewise.

2020-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR target/93412
        * config/i386/i386.md (*addv<dwi>4_doubleword, *subv<dwi>4_doubleword):
        Use nonimmediate_operand instead of x86_64_hilo_general_operand and
        drop <di> from constraint of last operand.

        PR target/93430
        * config/i386/sse.md (*avx_vperm_broadcast_<mode>): Disallow for
        TARGET_AVX2 and V4DFmode not in the split condition, but in the
        pattern condition, though allow { 0, 0, 0, 0 } broadcast always.

2020-01-25  Feng Xue  <fxue@os.amperecomputing.com>

        PR ipa/93166
        * ipa-cp.c (get_info_about_necessary_edges): Remove value
        check assertion.

2020-01-24  Jeff Law  <law@redhat.com>

        PR tree-optimization/92788
        * tree-ssa-threadedge.c (thread_across_edge): Check EDGE_COMPLEX
        not EDGE_ABNORMAL.

2020-01-24  Jakub Jelinek  <jakub@redhat.com>

        PR target/93395
        * config/i386/sse.md (*avx_vperm_broadcast_v4sf,
        *avx_vperm_broadcast_<mode>,
        <sse2_avx_avx512f>_vpermil<mode><mask_name>,
        *<sse2_avx_avx512f>_vpermilp<mode><mask_name>):
        Move before avx2_perm<mode>/avx512f_perm<mode>.

        PR target/93376
        * simplify-rtx.c (simplify_const_unary_operation,
        simplify_const_binary_operation): Punt for mode precision above
        MAX_BITSIZE_MODE_ANY_INT.

2020-01-24  Andrew Pinski  <apinski@marvell.com>

        * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Change
        alu.shift_reg to 0.

2020-01-24  Jeff Law  <law@redhat.com>

        PR target/13721
        * config/h8300/h8300.c (h8300_print_operand): Only call byte_reg
        for REGs.  Call output_operand_lossage to get more reasonable
        diagnostics.

2020-01-24  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (vec_cmp<mode>di): Use
        gcn_fp_compare_operator.
        (vec_cmpu<mode>di): Use gcn_compare_operator.
        (vec_cmp<u>v64qidi): Use gcn_compare_operator.
        (vec_cmp<mode>di_exec): Use gcn_fp_compare_operator.
        (vec_cmpu<mode>di_exec): Use gcn_compare_operator.
        (vec_cmp<u>v64qidi_exec): Use gcn_compare_operator.
        (vec_cmp<mode>di_dup): Use gcn_fp_compare_operator.
        (vec_cmp<mode>di_dup_exec): Use gcn_fp_compare_operator.
        (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>): Use
        gcn_fp_compare_operator.
        (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>_exec): Use
        gcn_fp_compare_operator.
        (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>): Use
        gcn_fp_compare_operator.
        (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>_exec): Use
        gcn_fp_compare_operator.

2020-01-24  Maciej W. Rozycki  <macro@wdc.com>

        * doc/install.texi (Cross-Compiler-Specific Options): Document
        `--with-toolexeclibdir' option.

2020-01-24  Hans-Peter Nilsson  <hp@axis.com>

        * target.def (flags_regnum): Also mention effect on delay slot filling.
        * doc/tm.texi: Regenerate.

2020-01-23  Jeff Law  <law@redhat.com>

        PR translation/90162
        * config/h8300/h8300.c (h8300_option_override): Fix diagnostic text.

2020-01-23  Mikael Tillenius  <mti-1@tillenius.com>

        PR target/92269
        * config/h8300/h8300.h (FUNCTION_PROFILER): Fix emission of
        profiling label

2020-01-23  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/93402
        * postreload.c (reload_combine_recognize_pattern): Don't try to adjust
        USE insns.

2020-01-23  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>

        * config.in: Regenerated.
        * config/mips/linux.h (NEED_INDICATE_EXEC_STACK): Define to 1
        for TARGET_LIBC_GNUSTACK.
        * configure: Regenerated.
        * configure.ac: Define TARGET_LIBC_GNUSTACK if glibc version is
        found to be 2.31 or greater.

2020-01-23  Dragan Mladjenovic  <dmladjenovic@wavecomp.com>

        * config/mips/linux.h (NEED_INDICATE_EXEC_STACK): Define to
        TARGET_SOFT_FLOAT.
        * config/mips/mips.c (TARGET_ASM_FILE_END): Define to ...
        (mips_asm_file_end): New function. Delegate to
        file_end_indicate_exec_stack if NEED_INDICATE_EXEC_STACK is true.
        * config/mips/mips.h (NEED_INDICATE_EXEC_STACK): Define to 0.

2020-01-23  Jakub Jelinek  <jakub@redhat.com>

        PR target/93376
        * config/i386/i386-modes.def (POImode): New mode.
        (MAX_BITSIZE_MODE_ANY_INT): Change from 128 to 160.
        * config/i386/i386.md (DPWI): New mode attribute.
        (addv<mode>4, subv<mode>4): Use <DPWI> instead of <DWI>.
        (QWI): Rename to...
        (QPWI): ... this.  Use POI instead of OI for TImode.
        (*addv<dwi>4_doubleword, *addv<dwi>4_doubleword_1,
        *subv<dwi>4_doubleword, *subv<dwi>4_doubleword_1): Use <QPWI>
        instead of <QWI>.

2020-01-23  Richard Sandiford  <richard.sandiford@arm.com>

        PR target/93341
        * config/aarch64/aarch64.md (UNSPEC_SPECULATION_TRACKER_REV): New
        unspec.
        (speculation_tracker_rev): New pattern.
        * config/aarch64/aarch64-speculation.cc (aarch64_do_track_speculation):
        Use speculation_tracker_rev to track the inverse condition.

2020-01-23  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/93381
        * tree-ssa-sccvn.c (vn_walk_cb_data::push_partial_def): Take
        alias-set of the def as argument and record the first one.
        (vn_walk_cb_data::first_set): New member.
        (vn_reference_lookup_3): Pass the alias-set of the current def
        to push_partial_def.  Fix alias-set used in the aggregate copy
        case.
        (vn_reference_lookup): Consistently set *last_vuse_ptr.
        * real.c (clear_significand_below): Fix out-of-bound access.

2020-01-23  Jakub Jelinek  <jakub@redhat.com>

        PR target/93346
        * config/i386/i386.md (*bmi2_bzhi_<mode>3_2, *bmi2_bzhi_<mode>3_3):
        New define_insn patterns.

2020-01-23  Richard Sandiford  <richard.sandiford@arm.com>

        * doc/sourcebuild.texi (check-function-bodies): Add an
        optional target/xfail selector.

2020-01-23  Richard Sandiford  <richard.sandiford@arm.com>

        PR rtl-optimization/93124
        * auto-inc-dec.c (merge_in_block): Don't add auto inc/decs to
        bare USE and CLOBBER insns.

2020-01-22  Andrew Pinski  <apinski@marvell.com>

        * config/arc/arc.c (output_short_suffix): Check insn for nullness.

2020-01-22  David Malcolm  <dmalcolm@redhat.com>

        PR analyzer/93307
        * gdbinit.in (break-on-saved-diagnostic): Update for move of
        diagnostic_manager into "ana" namespace.
        * selftest-run-tests.c (selftest::run_tests): Update for move of
        selftest::run_analyzer_selftests to
        ana::selftest::run_analyzer_selftests.

2020-01-22  Richard Sandiford  <richard.sandiford@arm.com>

        * cfgexpand.c (union_stack_vars): Update the size.

2020-01-22  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/93381
        * tree-ssa-structalias.c (find_func_aliases): Assume offsetting
        throughout, handle all conversions the same.

2020-01-22  Jakub Jelinek  <jakub@redhat.com>

        PR target/93335
        * config/aarch64/aarch64.c (aarch64_expand_subvti): Only use
        gen_subdi3_compare1_imm if low_in2 satisfies aarch64_plus_immediate
        predicate, not whenever it is CONST_INT.  Otherwise, force_reg it.
        Call force_reg on high_in2 unconditionally.

2020-01-22  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/92924
        * profile.c (compute_value_histograms): Divide
        all counter values.

2020-01-22  Jakub Jelinek  <jakub@redhat.com>

        PR target/91298
        * output.h (assemble_name_resolve): Declare.
        * varasm.c (assemble_name_resolve): New function.
        (assemble_name): Use it.
        * config/i386/i386.h (ASM_OUTPUT_SYMBOL_REF): Define.

2020-01-22  Joseph Myers  <joseph@codesourcery.com>

        * doc/sourcebuild.texi (Texinfo Manuals, Front End): Refer to
        update_web_docs_git instead of update_web_docs_svn.

2020-01-21  Andrew Pinski  <apinski@marvell.com>

        PR target/9311
        * config/aarch64/aarch64.md (tlsgd_small_<mode>): Have operand 0
        as PTR mode. Have operand 1 as being modeless, it can be P mode.
        (*tlsgd_small_<mode>): Likewise.
        * config/aarch64/aarch64.c (aarch64_load_symref_appropriately)
        <case SYMBOL_SMALL_TLSGD>: Call gen_tlsgd_small_* with a ptr_mode
        register.  Convert that register back to dest using convert_mode.

2020-01-21  Jim Wilson  <jimw@sifive.com>

        * config/riscv/riscv-sr.c (riscv_sr_match_prologue): Use INTVAL
        instead of XINT.

2020-01-21  H.J. Lu  <hongjiu.lu@intel.com>
            Uros Bizjak    <ubizjak@gmail.com>

        PR target/93319
        * config/i386/i386.c (ix86_tls_module_base): Replace Pmode
        with ptr_mode.
        (legitimize_tls_address): Do GNU2 TLS address computation in
        ptr_mode and zero-extend result to Pmode.
        *  config/i386/i386.md (@tls_dynamic_gnu2_64_<mode>): Replace
        :P with :PTR and Pmode with ptr_mode.
        (*tls_dynamic_gnu2_lea_64_<mode>): Likewise.
        (*tls_dynamic_gnu2_call_64_<mode>): Likewise.
        (*tls_dynamic_gnu2_combine_64_<mode>): Likewise.

2020-01-21  Jakub Jelinek  <jakub@redhat.com>

        PR target/93333
        * config/riscv/riscv.c (riscv_rtx_costs) <case ZERO_EXTRACT>: Verify
        the last two operands are CONST_INT_P before using them as such.

2020-01-21  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-sve-builtins.def: Use get_typenode_from_name
        to get the integer element types.

2020-01-21  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-sve-builtins.h
        (function_expander::convert_to_pmode): Declare.
        * config/aarch64/aarch64-sve-builtins.cc
        (function_expander::convert_to_pmode): New function.
        (function_expander::get_contiguous_base): Use it.
        (function_expander::prepare_gather_address_operands): Likewise.
        * config/aarch64/aarch64-sve-builtins-sve2.cc
        (svwhilerw_svwhilewr_impl::expand): Likewise.

2020-01-21  Szabolcs Nagy  <szabolcs.nagy@arm.com>

        PR target/92424
        * config/aarch64/aarch64.c (aarch64_declare_function_name): Set
        cfun->machine->label_is_assembled.
        (aarch64_print_patchable_function_entry): New.
        (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY): Define.
        * config/aarch64/aarch64.h (struct machine_function): New field,
        label_is_assembled.

2020-01-21  David Malcolm  <dmalcolm@redhat.com>

        PR ipa/93315
        * ipa-profile.c (ipa_profile): Delete call_sums and set it to
        NULL on exit.

2020-01-18  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/93318    
        * cgraph.c (cgraph_edge::resolve_speculation,
        cgraph_edge::redirect_call_stmt_to_callee): Fix update of
        call_stmt_site_hash.

2020-01-21  Martin Liska  <mliska@suse.cz>

        * config/rs6000/rs6000.c (common_mode_defined): Remove
        unused variable.

2020-01-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/92328
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Preserve
        type when value-numbering same-sized store by inserting a
        VIEW_CONVERT_EXPR.
        (eliminate_dom_walker::eliminate_stmt): When eliminating
        a redundant store handle bit-reinterpretation of the same value.

2020-01-21  Andrew Pinski  <apinski@marvel.com>

        PR tree-opt/93321
        * tree-into-ssa.c (prepare_block_for_update_1): Split out
        from ...
        (prepare_block_for_update): This.  Use a worklist instead of
        recursing.

2020-01-21  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>

        * config/arm/arm.c (clear_operation_p):
        Initialise last_regno, skip first iteration
        based on the first_set value and use ints instead
        of the unnecessary HOST_WIDE_INTs.

2020-01-21  Jakub Jelinek  <jakub@redhat.com>

        PR target/93073
        * config/rs6000/rs6000.c (rs6000_emit_cmove): If using fsel, punt for
        compare_mode other than SFmode or DFmode.

2020-01-21  Kito Cheng  <kito.cheng@sifive.com>

        PR target/93304
        * config/riscv/riscv-protos.h (riscv_hard_regno_rename_ok): New.
        * config/riscv/riscv.c (riscv_hard_regno_rename_ok): New.
        * config/riscv/riscv.h (HARD_REGNO_RENAME_OK): Defined.

2020-01-20  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (neoversen1_tunings): Set jump_align to 4.

2020-01-20  Andrew Pinski  <apinski@marvell.com>

        PR middle-end/93242
        * targhooks.c (default_print_patchable_function_entry): Use
        output_asm_insn to emit the nop instruction.

2020-01-20  Fangrui Song  <maskray@google.com>

        PR middle-end/93194
        * targhooks.c (default_print_patchable_function_entry): Align to
        POINTER_SIZE.

2020-01-20  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/93319
        * config/i386/i386.c (legitimize_tls_address): Pass Pmode to
        gen_tls_dynamic_gnu2_64.  Compute GNU2 TLS address in ptr_mode.
        * config/i386/i386.md (tls_dynamic_gnu2_64): Renamed to ...
        (@tls_dynamic_gnu2_64_<mode>): This.  Replace DI with P.
        (*tls_dynamic_gnu2_lea_64): Renamed to ...
        (*tls_dynamic_gnu2_lea_64_<mode>): This.  Replace DI with P.
        Remove the {q} suffix from lea.
        (*tls_dynamic_gnu2_call_64): Renamed to ...
        (*tls_dynamic_gnu2_call_64_<mode>): This.  Replace DI with P.
        (*tls_dynamic_gnu2_combine_64): Renamed to ...
        (*tls_dynamic_gnu2_combine_64_<mode>): This.  Replace DI with P.
        Pass Pmode to gen_tls_dynamic_gnu2_64.

2020-01-20  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.h (SLOW_BYTE_ACCESS): Set to 1.

2020-01-20  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-sve-builtins-base.cc
        (svld1ro_impl::memory_vector_mode): Remove parameter name.

2020-01-20  Richard Biener  <rguenther@suse.de>

        PR debug/92763
        * dwarf2out.c (prune_unused_types): Unconditionally mark
        called function DIEs.

2020-01-20  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/93199
        * tree-eh.c (struct leh_state): Add
        new field outer_non_cleanup.
        (cleanup_is_dead_in): Pass leh_state instead
        of eh_region.  Add a checking that state->outer_non_cleanup
        points to outer non-clean up region.
        (lower_try_finally): Record outer_non_cleanup
        for this_state.
        (lower_catch): Likewise.
        (lower_eh_filter): Likewise.
        (lower_eh_must_not_throw): Likewise.
        (lower_cleanup): Likewise.

2020-01-20  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/93094
        * tree-vectorizer.h (vect_loop_versioning): Adjust.
        (vect_transform_loop): Likewise.
        * tree-vectorizer.c (try_vectorize_loop_1): Pass down
        loop_vectorized_call to vect_transform_loop.
        * tree-vect-loop.c (vect_transform_loop): Pass down
        loop_vectorized_call to vect_loop_versioning.
        * tree-vect-loop-manip.c (vect_loop_versioning): Use
        the earlier discovered loop_vectorized_call.

2020-01-19  Eric S. Raymond <esr@thyrsus.com>

        * doc/contribute.texi: Update for SVN -> Git transition.
        * doc/install.texi: Likewise.

2020-01-18  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/93318
        * cgraph.c (cgraph_edge::make_speculative): Increase number of
        speculative targets.
        (verify_speculative_call): New function
        (cgraph_node::verify_node): Use it.
        * ipa-profile.c (ipa_profile): Fix formating; do not set number of
        speculations.

2020-01-18  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/93318
        * cgraph.c (cgraph_edge::resolve_speculation): Fix foramting.
        (cgraph_edge::make_direct): Remove all indirect targets.
        (cgraph_edge::redirect_call_stmt_to_callee): Use make_direct..
        (cgraph_node::verify_node): Verify that only one call_stmt or
        lto_stmt_uid is set.
        * cgraphclones.c (cgraph_edge::clone): Set only one call_stmt or
        lto_stmt_uid.
        * lto-cgraph.c (lto_output_edge): Simplify streaming of stmt.
        (lto_output_ref): Simplify streaming of stmt.
        * lto-streamer-in.c (fixup_call_stmt_edges_1): Clear lto_stmt_uid.

2020-01-18  Tamar Christina  <tamar.christina@arm.com>

        * config/aarch64/aarch64-sve-builtins-base.cc (memory_vector_mode):
        Mark parameter unused.

2020-01-18  Hans-Peter Nilsson  <hp@axis.com>

        * config.gcc <obsolete targets>: Add crisv32-*-* and cris-*-linux*

2019-01-18  Gerald Pfeifer  <gerald@pfeifer.com>

        * varpool.c (ctor_useable_for_folding_p): Fix grammar.

2020-01-18  Iain Sandoe  <iain@sandoe.co.uk>

        * Makefile.in: Add coroutine-passes.o.
        * builtin-types.def (BT_CONST_SIZE): New.
        (BT_FN_BOOL_PTR): New.
        (BT_FN_PTR_PTR_CONST_SIZE_BOOL): New.
        * builtins.def (DEF_COROUTINE_BUILTIN): New.
        * coroutine-builtins.def: New file.
        * coroutine-passes.cc: New file.
        * function.h (struct GTY function): Add a bit to indicate that the
        function is a coroutine component.
        * internal-fn.c (expand_CO_FRAME): New.
        (expand_CO_YIELD): New.
        (expand_CO_SUSPN): New.
        (expand_CO_ACTOR): New.
        * internal-fn.def (CO_ACTOR): New.
        (CO_YIELD): New.
        (CO_SUSPN): New.
        (CO_FRAME): New.
        * passes.def: Add pass_coroutine_lower_builtins,
        pass_coroutine_early_expand_ifns.
        * tree-pass.h (make_pass_coroutine_lower_builtins): New.
        (make_pass_coroutine_early_expand_ifns): New.
        * doc/invoke.texi: Document the fcoroutines command line
        switch.

2020-01-18  Jakub Jelinek  <jakub@redhat.com>

        * config/arm/vfp.md (*clear_vfp_multiple): Remove unused variable.

        PR target/93312
        * config/arm/arm.c (clear_operation_p): Don't use REGNO until
        after checking the argument is a REG.  Don't use REGNO (reg)
        again to set last_regno, reuse regno variable instead.

2020-01-17  David Malcolm  <dmalcolm@redhat.com>

        * doc/analyzer.texi (Limitations): Add note about NaN.

2020-01-17  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
            Sudakshina Das  <sudi.das@arm.com>

        * config/arm/arm.md (ashldi3): Generate thumb2_lsll for both reg
        and valid immediate.
        (ashrdi3): Generate thumb2_asrl for both reg and valid immediate.
        (lshrdi3): Generate thumb2_lsrl for valid immediates.
        * config/arm/constraints.md (Pg): New.
        * config/arm/predicates.md (long_shift_imm): New.
        (arm_reg_or_long_shift_imm): Likewise.
        * config/arm/thumb2.md (thumb2_asrl): New immediate alternative.
        (thumb2_lsll): Likewise.
        (thumb2_lsrl): New.

2020-01-17  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
            Sudakshina Das  <sudi.das@arm.com>

        * config/arm/arm.md (ashldi3): Generate thumb2_lsll for TARGET_HAVE_MVE.
        (ashrdi3): Generate thumb2_asrl for TARGET_HAVE_MVE.
        * config/arm/arm.c (arm_hard_regno_mode_ok): Allocate even odd
        register pairs for doubleword quantities for ARMv8.1M-Mainline.
        * config/arm/thumb2.md (thumb2_asrl): New.
        (thumb2_lsll): Likewise.

2020-01-17  Jakub Jelinek  <jakub@redhat.com>

        * config/arm/arm.c (cmse_nonsecure_call_inline_register_clear): Remove
        unused variable.

2020-01-17  Alexander Monakov  <amonakov@ispras.ru>

        * gdbinit.in (help-gcc-hooks): New command.
        (pp, pr, prl, pt, pct, pgg, pgq, pgs, pge, pmz, ptc, pdn, ptn, pdd, prc,
        pi, pbm, pel, trt): Take $arg0 instead of $ if supplied. Update
        documentation.

2020-01-17  Matthew Malcomson  <matthew.malcomson@arm.com>

        * config/aarch64/aarch64-sve.md (@aarch64_sve_ld1ro<mode>): Use the
        correct target macro.

2020-01-17  Matthew Malcomson  <matthew.malcomson@arm.com>

        * config/aarch64/aarch64-protos.h
        (aarch64_sve_ld1ro_operand_p): New.
        * config/aarch64/aarch64-sve-builtins-base.cc
        (class load_replicate): New.
        (class svld1ro_impl): New.
        (class svld1rq_impl): Change to inherit from load_replicate.
        (svld1ro): New sve intrinsic function base.
        * config/aarch64/aarch64-sve-builtins-base.def (svld1ro):
        New DEF_SVE_FUNCTION.
        * config/aarch64/aarch64-sve-builtins-base.h
        (svld1ro): New decl.
        * config/aarch64/aarch64-sve-builtins.cc
        (function_expander::add_mem_operand): Modify assert to allow
        OImode.
        * config/aarch64/aarch64-sve.md (@aarch64_sve_ld1ro<mode>): New
        pattern.
        * config/aarch64/aarch64.c
        (aarch64_sve_ld1rq_operand_p): Implement in terms of ...
        (aarch64_sve_ld1rq_ld1ro_operand_p): This.
        (aarch64_sve_ld1ro_operand_p): New.
        * config/aarch64/aarch64.md (UNSPEC_LD1RO): New unspec.
        * config/aarch64/constraints.md (UOb,UOh,UOw,UOd): New.
        * config/aarch64/predicates.md
        (aarch64_sve_ld1ro_operand_{b,h,w,d}): New.

2020-01-17  Matthew Malcomson  <matthew.malcomson@arm.com>

        * config/aarch64/aarch64-c.c (_ARM_FEATURE_MATMUL_FLOAT64):
        Introduce this ACLE specified predefined macro.
        * config/aarch64/aarch64-option-extensions.def (f64mm): New.
        (fp): Disabling this disables f64mm.
        (simd): Disabling this disables f64mm.
        (fp16): Disabling this disables f64mm.
        (sve): Disabling this disables f64mm.
        * config/aarch64/aarch64.h (AARCH64_FL_F64MM): New.
        (AARCH64_ISA_F64MM): New.
        (TARGET_F64MM): New.
        * doc/invoke.texi (f64mm): Document new option.

2020-01-17  Wilco Dijkstra  <wdijkstr@arm.com>

        * config/aarch64/aarch64.c (generic_tunings): Add branch fusion.
        (neoversen1_tunings): Likewise.

2020-01-17  Wilco Dijkstra  <wdijkstr@arm.com>

        PR target/92692
        * config/aarch64/aarch64.c (aarch64_split_compare_and_swap)
        Add assert to ensure prolog has been emitted.
        (aarch64_split_atomic_op): Likewise.
        * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>)
        Use epilogue_completed rather than reload_completed.
        (aarch64_atomic_exchange<mode>): Likewise.
        (aarch64_atomic_<atomic_optab><mode>): Likewise.
        (atomic_nand<mode>): Likewise.
        (aarch64_atomic_fetch_<atomic_optab><mode>): Likewise.
        (atomic_fetch_nand<mode>): Likewise.
        (aarch64_atomic_<atomic_optab>_fetch<mode>): Likewise.
        (atomic_nand_fetch<mode>): Likewise.

2020-01-17  Richard Sandiford  <richard.sandiford@arm.com>

        PR target/93133
        * config/aarch64/aarch64.h (REVERSIBLE_CC_MODE): Return false
        for FP modes.
        (REVERSE_CONDITION): Delete.
        * config/aarch64/iterators.md (CC_ONLY): New mode iterator.
        (CCFP_CCFPE): Likewise.
        (e): New mode attribute.
        * config/aarch64/aarch64.md (ccmp<GPI:mode>): Rename to...
        (@ccmp<CC_ONLY:mode><GPI:mode>): ...this, using CC_ONLY instead of CC.
        (fccmp<GPF:mode>, fccmpe<GPF:mode>): Merge into...
        (@ccmp<CCFP_CCFPE:mode><GPF:mode>): ...this combined pattern.
        (@ccmp<CC_ONLY:mode><GPI:mode>_rev): New pattern.
        (@ccmp<CCFP_CCFPE:mode><GPF:mode>_rev): Likewise.
        * config/aarch64/aarch64.c (aarch64_gen_compare_reg): Update
        name of generator from gen_ccmpdi to gen_ccmpccdi.
        (aarch64_gen_ccmp_next): Use code_for_ccmp.  If we want to reverse
        the previous comparison but aren't able to, use the new ccmp_rev
        patterns instead.

2020-01-17  Richard Sandiford  <richard.sandiford@arm.com>

        * gimplify.c (gimplify_return_expr): Use poly_int_tree_p rather
        than testing directly for INTEGER_CST.
        (gimplify_target_expr, gimplify_omp_depend): Likewise.

2020-01-17  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/93292
        * tree-vect-stmts.c (vectorizable_comparison): Punt also if
        get_vectype_for_scalar_type returns NULL.

2020-01-16  Jan Hubicka  <hubicka@ucw.cz>

        * params.opt (-param=max-predicted-iterations): Increase range from 0.
        * predict.c (estimate_loops): Add 1 to param_max_predicted_iterations.

2020-01-16  Jan Hubicka  <hubicka@ucw.cz>

        * ipa-fnsummary.c (estimate_calls_size_and_time): Fix formating of
        dump.
        * params.opt: (max-predicted-iterations): Set bounds.
        * predict.c (real_almost_one, real_br_prob_base,
        real_inv_br_prob_base, real_one_half, real_bb_freq_max): Remove.
        (propagate_freq): Add max_cyclic_prob parameter; cap cyclic
        probabilities; do not truncate to reg_br_prob_bases.
        (estimate_loops_at_level): Pass max_cyclic_prob.
        (estimate_loops): Compute max_cyclic_prob.
        (estimate_bb_frequencies): Do not initialize real_*; update calculation
        of back edge prob.
        * profile-count.c (profile_probability::to_sreal): New.
        * profile-count.h (class sreal): Move up in file.
        (profile_probability::to_sreal): Declare.

2020-01-16  Stam Markianos-Wright  <stam.markianos-wright@arm.com>

        * config/arm/arm.c
        (arm_invalid_conversion): New function for target hook.
        (arm_invalid_unary_op): New function for target hook.
        (arm_invalid_binary_op): New function for target hook.

2020-01-16  Stam Markianos-Wright  <stam.markianos-wright@arm.com>

        * config.gcc: Add arm_bf16.h.
        * config/arm/arm-builtins.c (arm_mangle_builtin_type): Fix comment.
        (arm_simd_builtin_std_type): Add BFmode.
        (arm_init_simd_builtin_types): Define element types for vector types.
        (arm_init_bf16_types): New function.
        (arm_init_builtins): Add arm_init_bf16_types function call.
        * config/arm/arm-modes.def: Add BFmode and V4BF, V8BF vector modes.
        * config/arm/arm-simd-builtin-types.def: Add V4BF, V8BF.
        * config/arm/arm.c (aapcs_vfp_sub_candidate):  Add BFmode.
        (arm_hard_regno_mode_ok): Add BFmode and tidy up statements.
        (arm_vector_mode_supported_p): Add V4BF, V8BF.
        (arm_mangle_type):  Add __bf16.
        * config/arm/arm.h: Add V4BF, V8BF to VALID_NEON_DREG_MODE, 
        VALID_NEON_QREG_MODE respectively. Add export arm_bf16_type_node,
        arm_bf16_ptr_type_node.
        * config/arm/arm.md: Add BFmode to movhf expand, mov pattern and
        define_split between ARM registers.
        * config/arm/arm_bf16.h: New file.
        * config/arm/arm_neon.h: Add arm_bf16.h and Bfloat vector types.
        * config/arm/iterators.md: (ANY64_BF, VDXMOV, VHFBF, HFBF, fporbf): New.
        (VQXMOV): Add V8BF.
        * config/arm/neon.md: Add BF vector types to movhf NEON move patterns.
        * config/arm/vfp.md: Add BFmode to movhf patterns.

2020-01-16  Mihail Ionescu  <mihail.ionescu@arm.com>
            Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * config/arm/arm-cpus.in (mve, mve_float): New features.
        (dsp, mve, mve.fp): New options.
        * config/arm/arm.h (TARGET_HAVE_MVE, TARGET_HAVE_MVE_FLOAT): Define.
        * config/arm/t-rmprofile: Map v8.1-M multilibs to v8-M.
        * doc/invoke.texi: Document the armv8.1-m mve and dps options.

2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
            Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/arm-cpus.in (ARMv8_1m_main): Redefine as an extension to
        Armv8-M Mainline.
        * config/arm/arm.c (arm_options_perform_arch_sanity_checks): Remove
        error for using -mcmse when targeting Armv8.1-M Mainline.

2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
            Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/arm.md (nonsecure_call_internal): Do not force memory
        address in r4 when targeting Armv8.1-M Mainline.
        (nonsecure_call_value_internal): Likewise.
        * config/arm/thumb2.md (nonsecure_call_reg_thumb2): Make memory address
        a register match_operand again.  Emit BLXNS when targeting
        Armv8.1-M Mainline.
        (nonsecure_call_value_reg_thumb2): Likewise.

2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
            Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/arm.c (arm_add_cfa_adjust_cfa_note): Declare early.
        (cmse_nonsecure_call_inline_register_clear): Define new lazy_fpclear
        variable as true when floating-point ABI is not hard.  Replace
        check against TARGET_HARD_FLOAT_ABI by checks against lazy_fpclear.
        Generate VLSTM and VLLDM instruction respectively before and
        after a function call to cmse_nonsecure_call function.
        * config/arm/unspecs.md (VUNSPEC_VLSTM): Define unspec.
        (VUNSPEC_VLLDM): Likewise.
        * config/arm/vfp.md (lazy_store_multiple_insn): New define_insn.
        (lazy_load_multiple_insn): Likewise.

2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
            Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/arm.c (vfp_emit_fstmd): Declare early.
        (arm_emit_vfp_multi_reg_pop): Likewise.
        (cmse_nonsecure_call_inline_register_clear): Abstract number of VFP
        registers to clear in max_fp_regno.  Emit VPUSH and VPOP to save and
        restore callee-saved VFP registers.

2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
            Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/arm.c (arm_emit_multi_reg_pop): Declare early.
        (cmse_nonsecure_call_clear_caller_saved): Rename into ...
        (cmse_nonsecure_call_inline_register_clear): This.  Save and clear
        callee-saved GPRs as well as clear ip register before doing a nonsecure
        call then restore callee-saved GPRs after it when targeting
        Armv8.1-M Mainline.
        (arm_reorg): Adapt to function rename.

2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
            Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/arm-protos.h (clear_operation_p): Adapt prototype.
        * config/arm/arm.c (clear_operation_p): Extend to be able to check a
        clear_vfp_multiple pattern based on a new vfp parameter.
        (cmse_clear_registers): Generate VSCCLRM to clear VFP registers when
        targeting Armv8.1-M Mainline.
        (cmse_nonsecure_entry_clear_before_return): Clear VFP registers
        unconditionally when targeting Armv8.1-M Mainline architecture.  Check
        whether VFP registers are available before looking call_used_regs for a
        VFP register.
        * config/arm/predicates.md (clear_multiple_operation): Adapt to change
        of prototype of clear_operation_p.
        (clear_vfp_multiple_operation): New predicate.
        * config/arm/unspecs.md (VUNSPEC_VSCCLRM_VPR): New volatile unspec.
        * config/arm/vfp.md (clear_vfp_multiple): New define_insn.

2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
            Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/arm-protos.h (clear_operation_p): Declare.
        * config/arm/arm.c (clear_operation_p): New function.
        (cmse_clear_registers): Generate clear_multiple instruction pattern if
        targeting Armv8.1-M Mainline or successor.
        (output_return_instruction): Only output APSR register clearing if
        Armv8.1-M Mainline instructions not available.
        (thumb_exit): Likewise.
        * config/arm/predicates.md (clear_multiple_operation): New predicate.
        * config/arm/thumb2.md (clear_apsr): New define_insn.
        (clear_multiple): Likewise.
        * config/arm/unspecs.md (VUNSPEC_CLRM_APSR): New volatile unspec.

2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
            Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/arm.c (fp_sysreg_names): Declare and define.
        (use_return_insn): Also return false for Armv8.1-M Mainline.
        (output_return_instruction): Skip FPSCR clearing if Armv8.1-M
        Mainline instructions are available.
        (arm_compute_frame_layout): Allocate space in frame for FPCXTNS
        when targeting Armv8.1-M Mainline Security Extensions.
        (arm_expand_prologue): Save FPCXTNS if this is an Armv8.1-M
        Mainline entry function.
        (cmse_nonsecure_entry_clear_before_return): Clear IP and r4 if
        targeting Armv8.1-M Mainline or successor.
        (arm_expand_epilogue): Fix indentation of caller-saved register
        clearing.  Restore FPCXTNS if this is an Armv8.1-M Mainline
        entry function.
        * config/arm/arm.h (TARGET_HAVE_FP_CMSE): New macro.
        (FP_SYSREGS): Likewise.
        (enum vfp_sysregs_encoding): Define enum.
        (fp_sysreg_names): Declare.
        * config/arm/unspecs.md (VUNSPEC_VSTR_VLDR): New volatile unspec.
        * config/arm/vfp.md (push_fpsysreg_insn): New define_insn.
        (pop_fpsysreg_insn): Likewise.

2020-01-16  Mihail-Calin Ionescu  <mihail.ionescu@arm.com>
            Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * config/arm/arm-cpus.in (armv8_1m_main): New feature.
        (ARMv4, ARMv4t, ARMv5t, ARMv5te, ARMv5tej, ARMv6, ARMv6j, ARMv6k,
        ARMv6z, ARMv6kz, ARMv6zk, ARMv6t2, ARMv6m, ARMv7, ARMv7a, ARMv7ve,
        ARMv7r, ARMv7m, ARMv7em, ARMv8a, ARMv8_1a, ARMv8_2a, ARMv8_3a,
        ARMv8_4a, ARMv8_5a, ARMv8m_base, ARMv8m_main, ARMv8r): Reindent.
        (ARMv8_1m_main): New feature group.
        (armv8.1-m.main): New architecture.
        * config/arm/arm-tables.opt: Regenerate.
        * config/arm/arm.c (arm_arch8_1m_main): Define and default initialize.
        (arm_option_reconfigure_globals): Initialize arm_arch8_1m_main.
        (arm_options_perform_arch_sanity_checks): Error out when targeting
        Armv8.1-M Mainline Security Extensions.
        * config/arm/arm.h (arm_arch8_1m_main): Declare.

2020-01-16  Stam Markianos-Wright  <stam.markianos-wright@arm.com>

        * config/aarch64/aarch64-simd-builtins.def (aarch64_bfdot,
        aarch64_bfdot_lane, aarch64_bfdot_laneq): New.
        * config/aarch64/aarch64-simd.md (aarch64_bfdot, aarch64_bfdot_lane,
        aarch64_bfdot_laneq): New.
        * config/aarch64/arm_bf16.h (vbfdot_f32, vbfdotq_f32,
        vbfdot_lane_f32, vbfdotq_lane_f32, vbfdot_laneq_f32,
        vbfdotq_laneq_f32): New.
        * config/aarch64/iterators.md (UNSPEC_BFDOT, Vbfdottype,
        VBFMLA_W, VBF): New.
        (isquadop): Add V4BF, V8BF.

2020-01-16  Stam Markianos-Wright  <stam.markianos-wright@arm.com>

        * config/aarch64/aarch64-builtins.c: (enum aarch64_type_qualifiers):
        New qualifier_lane_quadtup_index, TYPES_TERNOP_SSUS,
        TYPES_QUADOPSSUS_LANE_QUADTUP, TYPES_QUADOPSSSU_LANE_QUADTUP.
        (aarch64_simd_expand_args): Add case SIMD_ARG_LANE_QUADTUP_INDEX.
        (aarch64_simd_expand_builtin): Add qualifier_lane_quadtup_index.
        * config/aarch64/aarch64-simd-builtins.def (usdot, usdot_lane,
        usdot_laneq, sudot_lane,sudot_laneq): New.
        * config/aarch64/aarch64-simd.md (aarch64_usdot): New.
        (aarch64_<sur>dot_lane): New.
        * config/aarch64/arm_neon.h (vusdot_s32): New.
        (vusdotq_s32): New.
        (vusdot_lane_s32): New.
        (vsudot_lane_s32): New.
        * config/aarch64/iterators.md (DOTPROD_I8MM): New iterator.
        (UNSPEC_USDOT, UNSPEC_SUDOT): New unspecs.

2020-01-16  Martin Liska  <mliska@suse.cz>

        * value-prof.c (dump_histogram_value): Fix
        obvious spacing issue.

2020-01-16  Andrew Pinski  <apinski@marvell.com>

        * tree-ssa-sccvn.c(vn_reference_lookup_3): Check lhs for
        !storage_order_barrier_p.

2020-01-16  Andrew Pinski  <apinski@marvell.com>

        * sched-int.h (_dep): Add unused bit-field field for the padding.
        * sched-deps.c (init_dep_1): Init unused field.

2020-01-16  Andrew Pinski  <apinski@marvell.com>

        * optabs.h (create_expand_operand): Initialize target field also.

2020-01-16  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        PR tree-optimization/92429
        * tree-ssa-loop-niter.h (simplify_replace_tree): Add parameter.
        * tree-ssa-loop-niter.c (simplify_replace_tree): Add parameter to
        control folding.
        * tree-vect-loop.c (update_epilogue_vinfo): Do not fold when replacing
        tree.

2020-01-16  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.c (aarch64_split_sve_subreg_move): Apply
        aarch64_sve_int_mode to each mode.

2020-01-15  David Malcolm  <dmalcolm@redhat.com>

        * doc/analyzer.texi (Overview): Add note about
        -fdump-ipa-analyzer.

2020-01-15  Wilco Dijkstra  <wdijkstr@arm.com>

        PR tree-optimization/93231
        * tree-ssa-forwprop.c (optimize_count_trailing_zeroes): Check
        input_type is unsigned.  Use tree_to_shwi for shift constant.
        Check CST_STRING element size is CHAR_TYPE_SIZE bits.
        (simplify_count_trailing_zeroes): Add test to handle known non-zero
        inputs more efficiently.

2020-01-15  Uroš Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movsf_internal): Do not require
        SSE2 ISA for alternatives 14 and 15.

2020-01-15  Richard Biener  <rguenther@suse.de>

        PR middle-end/93273
        * tree-eh.c (sink_clobbers): If we already visited the destination
        block do not defer insertion.
        (pass_lower_eh_dispatch::execute): Maintain BB_VISITED for
        the purpose of defered insertion.

2020-01-15  Jakub Jelinek  <jakub@redhat.com>

        * BASE-VER: Bump to 10.0.1.

2020-01-15  Richard Sandiford  <richard.sandiford@arm.com>

        PR tree-optimization/93247
        * tree-vect-loop.c (update_epilogue_loop_vinfo): Check the access
        type of the stmt that we're going to vectorize.

2020-01-15  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-vect-slp.c (vectorize_slp_instance_root_stmt): Use a
        VIEW_CONVERT_EXPR if the vectorized constructor has a diffeent
        type from the lhs.

2020-01-15  Martin Liska  <mliska@suse.cz>

        * ipa-profile.c (ipa_profile_read_edge_summary): Do not allow
        2 calls of streamer_read_hwi in a function call.

2020-01-15  Richard Biener  <rguenther@suse.de>

        * alias.c (record_alias_subset): Avoid redundant work when
        subset is already recorded.

2020-01-14  David Malcolm  <dmalcolm@redhat.com>

        * doc/invoke.texi (-fdiagnostics-show-cwe): Add note that some of
        the analyzer options provide CWE identifiers.

2020-01-14  David Malcolm  <dmalcolm@redhat.com>

        * tree-diagnostic-path.cc (path_summary::event_range::print):
        When testing for UNKNOWN_LOCATION, look through ad-hoc wrappers
        using get_pure_location.

2020-01-15  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/93262
        * tree-ssa-dse.c (maybe_trim_memstar_call): For *_chk builtins,
        perform head trimming only if the last argument is constant,
        either all ones, or larger or equal to head trim, in the latter
        case decrease the last argument by head_trim.

        PR tree-optimization/93249
        * tree-ssa-dse.c: Include builtins.h and gimple-fold.h.
        (maybe_trim_memstar_call): Move head_trim and tail_trim vars to
        function body scope, reindent.  For BUILTIN_IN_STRNCPY*, don't
        perform head trim unless we can prove there are no '\0' chars
        from the source among the first head_trim chars.

2020-01-14  David Malcolm  <dmalcolm@redhat.com>

        * Makefile.in (ANALYZER_OBJS): Add analyzer/function-set.o.

2020-01-15  Jakub Jelinek  <jakub@redhat.com>

        PR target/93009
        * config/i386/sse.md
        (*<sd_mask_codefor>fma_fmadd_<mode><sd_maskz_name>_bcst_1,
        *<sd_mask_codefor>fma_fmsub_<mode><sd_maskz_name>_bcst_1,
        *<sd_mask_codefor>fma_fnmadd_<mode><sd_maskz_name>_bcst_1,
        *<sd_mask_codefor>fma_fnmsub_<mode><sd_maskz_name>_bcst_1): Use
        just a single alternative instead of two, make operands 1 and 2
        commutative.

2020-01-14  Jan Hubicka  <hubicka@ucw.cz>

        PR lto/91576
        * ipa-devirt.c (odr_types_equivalent_p): Compare TREE_ADDRESSABLE and
        TYPE_MODE.

2020-01-14  David Malcolm  <dmalcolm@redhat.com>

        * Makefile.in (lang_opt_files): Add analyzer.opt.
        (ANALYZER_OBJS): New.
        (OBJS): Add digraph.o, graphviz.o, ordered-hash-map-tests.o,
        tristate.o and ANALYZER_OBJS.
        (TEXI_GCCINT_FILES): Add analyzer.texi.
        * common.opt (-fanalyzer): New driver option.
        * config.in: Regenerate.
        * configure: Regenerate.
        * configure.ac (--disable-analyzer, ENABLE_ANALYZER): New option.
        (gccdepdir): Also create depdir for "analyzer" subdir.
        * digraph.cc: New file.
        * digraph.h: New file.
        * doc/analyzer.texi: New file.
        * doc/gccint.texi ("Static Analyzer") New menu item.
        (analyzer.texi): Include it.
        * doc/invoke.texi ("Static Analyzer Options"): New list and new section.
        ("Warning Options"): Add static analysis warnings to the list.
        (-Wno-analyzer-double-fclose): New option.
        (-Wno-analyzer-double-free): New option.
        (-Wno-analyzer-exposure-through-output-file): New option.
        (-Wno-analyzer-file-leak): New option.
        (-Wno-analyzer-free-of-non-heap): New option.
        (-Wno-analyzer-malloc-leak): New option.
        (-Wno-analyzer-possible-null-argument): New option.
        (-Wno-analyzer-possible-null-dereference): New option.
        (-Wno-analyzer-null-argument): New option.
        (-Wno-analyzer-null-dereference): New option.
        (-Wno-analyzer-stale-setjmp-buffer): New option.
        (-Wno-analyzer-tainted-array-index): New option.
        (-Wno-analyzer-use-after-free): New option.
        (-Wno-analyzer-use-of-pointer-in-stale-stack-frame): New option.
        (-Wno-analyzer-use-of-uninitialized-value): New option.
        (-Wanalyzer-too-complex): New option.
        (-fanalyzer-call-summaries): New warning.
        (-fanalyzer-checker=): New warning.
        (-fanalyzer-fine-grained): New warning.
        (-fno-analyzer-state-merge): New warning.
        (-fno-analyzer-state-purge): New warning.
        (-fanalyzer-transitivity): New warning.
        (-fanalyzer-verbose-edges): New warning.
        (-fanalyzer-verbose-state-changes): New warning.
        (-fanalyzer-verbosity=): New warning.
        (-fdump-analyzer): New warning.
        (-fdump-analyzer-callgraph): New warning.
        (-fdump-analyzer-exploded-graph): New warning.
        (-fdump-analyzer-exploded-nodes): New warning.
        (-fdump-analyzer-exploded-nodes-2): New warning.
        (-fdump-analyzer-exploded-nodes-3): New warning.
        (-fdump-analyzer-supergraph): New warning.
        * doc/sourcebuild.texi (dg-require-dot): New.
        (dg-check-dot): New.
        * gdbinit.in (break-on-saved-diagnostic): New command.
        * graphviz.cc: New file.
        * graphviz.h: New file.
        * ordered-hash-map-tests.cc: New file.
        * ordered-hash-map.h: New file.
        * passes.def (pass_analyzer): Add before
        pass_ipa_whole_program_visibility.
        * selftest-run-tests.c (selftest::run_tests): Call
        selftest::ordered_hash_map_tests_cc_tests.
        * selftest.h (selftest::ordered_hash_map_tests_cc_tests): New
        decl.
        * shortest-paths.h: New file.
        * timevar.def (TV_ANALYZER): New timevar.
        (TV_ANALYZER_SUPERGRAPH): Likewise.
        (TV_ANALYZER_STATE_PURGE): Likewise.
        (TV_ANALYZER_PLAN): Likewise.
        (TV_ANALYZER_SCC): Likewise.
        (TV_ANALYZER_WORKLIST): Likewise.
        (TV_ANALYZER_DUMP): Likewise.
        (TV_ANALYZER_DIAGNOSTICS): Likewise.
        (TV_ANALYZER_SHORTEST_PATHS): Likewise.
        * tree-pass.h (make_pass_analyzer): New decl.
        * tristate.cc: New file.
        * tristate.h: New file.

2020-01-14  Uroš Bizjak  <ubizjak@gmail.com>

        PR target/93254
        * config/i386/i386.md (*movsf_internal): Require SSE2 ISA for
        alternatives 9 and 10.

2020-01-14  David Malcolm  <dmalcolm@redhat.com>

        * attribs.c (excl_hash_traits::empty_zero_p): New static constant.
        * gcov.c (function_start_pair_hash::empty_zero_p): Likewise.
        * graphite.c (struct sese_scev_hash::empty_zero_p): Likewise.
        * hash-map-tests.c (selftest::test_nonzero_empty_key): New selftest.
        (selftest::hash_map_tests_c_tests): Call it.
        * hash-map-traits.h (simple_hashmap_traits::empty_zero_p):
        New static constant, using the value of = H::empty_zero_p.
        (unbounded_hashmap_traits::empty_zero_p): Likewise, using the value
        from default_hash_traits <Value>.
        * hash-map.h (hash_map::empty_zero_p): Likewise, using the value
        from Traits.
        * hash-set-tests.c (value_hash_traits::empty_zero_p): Likewise.
        * hash-table.h (hash_table::alloc_entries): Guard the loop of
        calls to mark_empty with !Descriptor::empty_zero_p.
        (hash_table::empty_slow): Conditionalize the memset call with a
        check that Descriptor::empty_zero_p; otherwise, loop through the
        entries calling mark_empty on them.
        * hash-traits.h (int_hash::empty_zero_p): New static constant.
        (pointer_hash::empty_zero_p): Likewise.
        (pair_hash::empty_zero_p): Likewise.
        * ipa-devirt.c (default_hash_traits <type_pair>::empty_zero_p):
        Likewise.
        * ipa-prop.c (ipa_bit_ggc_hash_traits::empty_zero_p): Likewise.
        (ipa_vr_ggc_hash_traits::empty_zero_p): Likewise.
        * profile.c (location_triplet_hash::empty_zero_p): Likewise.
        * sanopt.c (sanopt_tree_triplet_hash::empty_zero_p): Likewise.
        (sanopt_tree_couple_hash::empty_zero_p): Likewise.
        * tree-hasher.h (int_tree_hasher::empty_zero_p): Likewise.
        * tree-ssa-sccvn.c (vn_ssa_aux_hasher::empty_zero_p): Likewise.
        * tree-vect-slp.c (bst_traits::empty_zero_p): Likewise.
        * tree-vectorizer.h
        (default_hash_traits<scalar_cond_masked_key>::empty_zero_p):
        Likewise.

2020-01-14  Kewen Lin  <linkw@gcc.gnu.org>

        * cfgloopanal.c (average_num_loop_insns): Free bbs when early return,
        fix typo on return value.

2020-01-14  Xiong Hu Luo  <luoxhu@linux.ibm.com>

        PR ipa/69678
        * cgraph.c (symbol_table::create_edge): Init speculative_id and
        target_prob.
        (cgraph_edge::make_speculative): Add param for setting speculative_id
        and target_prob.
        (cgraph_edge::speculative_call_info): Update comments and find reference
        by speculative_id for multiple indirect targets.
        (cgraph_edge::resolve_speculation): Decrease the speculations
        for indirect edge, drop it's speculative if not direct target
        left. Update comments.
        (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
        (cgraph_node::dump): Print num_speculative_call_targets.
        (cgraph_node::verify_node): Don't report error if speculative
        edge not include statement.
        (cgraph_edge::num_speculative_call_targets_p): New function.
        * cgraph.h (int common_target_id): Remove.
        (int common_target_probability): Remove.
        (num_speculative_call_targets): New variable.
        (make_speculative): Add param for setting speculative_id.
        (cgraph_edge::num_speculative_call_targets_p): New declare.
        (target_prob): New variable.
        (speculative_id): New variable.
        * ipa-fnsummary.c (analyze_function_body): Create and duplicate
          call summaries for multiple speculative call targets.
        * cgraphclones.c (cgraph_node::create_clone): Clone speculative_id.
        * ipa-profile.c (struct speculative_call_target): New struct.
        (class speculative_call_summary): New class.
        (class speculative_call_summaries): New class.
        (call_sums): New variable.
        (ipa_profile_generate_summary): Generate indirect multiple targets summaries.
        (ipa_profile_write_edge_summary): New function.
        (ipa_profile_write_summary): Stream out indirect multiple targets summaries.
        (ipa_profile_dump_all_summaries): New function.
        (ipa_profile_read_edge_summary): New function.
        (ipa_profile_read_summary_section): New function.
        (ipa_profile_read_summary): Stream in indirect multiple targets summaries.
        (ipa_profile): Generate num_speculative_call_targets from
        profile summaries.
        * ipa-ref.h (speculative_id): New variable.
        * ipa-utils.c (ipa_merge_profiles): Update with target_prob.
        * lto-cgraph.c (lto_output_edge): Remove indirect common_target_id and
        common_target_probability.   Stream out speculative_id and
        num_speculative_call_targets.
        (input_edge): Likewise.
        * predict.c (dump_prediction): Remove edges count assert to be
        precise.
        * symtab.c (symtab_node::create_reference): Init speculative_id.
        (symtab_node::clone_references): Clone speculative_id.
        (symtab_node::clone_referring): Clone speculative_id.
        (symtab_node::clone_reference): Clone speculative_id.
        (symtab_node::clear_stmts_in_references): Clear speculative_id.
        * tree-inline.c (copy_bb): Duplicate all the speculative edges
        if indirect call contains multiple speculative targets.
        * value-prof.h  (check_ic_target): Remove.
        * value-prof.c  (gimple_value_profile_transformations):
        Use void function gimple_ic_transform.
        * value-prof.c  (gimple_ic_transform): Handle topn case.
        Fix comment typos.  Change it to a void function.

2020-01-13  Andrew Pinski  <apinski@marvell.com>

        * config/aarch64/aarch64-cores.def (octeontx2): New define.
        (octeontx2t98): New define.
        (octeontx2t96): New define.
        (octeontx2t93): New define.
        (octeontx2f95): New define.
        (octeontx2f95n): New define.
        (octeontx2f95mm): New define.
        * config/aarch64/aarch64-tune.md: Regenerate.
        * doc/invoke.texi (-mcpu=): Document the new cpu types.

2020-01-13  Jason Merrill  <jason@redhat.com>

        PR c++/33799 - destroy return value if local cleanup throws.
        * gimplify.c (gimplify_return_expr): Handle COMPOUND_EXPR.

2020-01-13  Martin Liska  <mliska@suse.cz>

        * ipa-cp.c (get_max_overall_size): Use newly
        renamed param param_ipa_cp_unit_growth.
        * params.opt: Remove legacy param name.

2020-01-13  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/93213
        * tree-ssa-strlen.c (handle_store): Only allow single-byte nul-over-nul
        stores to be eliminated.

2020-01-13  Martin Liska  <mliska@suse.cz>

        * opts.c (print_help): Do not print CL_PARAM
        and CL_WARNING for CL_OPTIMIZATION.

2020-01-13  Jonathan Wakely  <jwakely@redhat.com>

        PR driver/92757
        * doc/invoke.texi (Warning Options): Add caveat about some warnings
        depending on optimization settings.

2020-01-13  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/90838
        * tree-ssa-forwprop.c (simplify_count_trailing_zeroes): Use
        SCALAR_INT_TYPE_MODE directly in CTZ_DEFINED_VALUE_AT_ZERO macro
        argument rather than to initialize temporary for targets that
        don't use the mode argument at all.  Initialize ctzval to avoid
        warning at -O0.

2020-01-10  Thomas Schwinge  <thomas@codesourcery.com>

        * tree.h (OMP_CLAUSE_USE_DEVICE_PTR_IF_PRESENT): New definition.
        * tree-core.h: Document it.
        * gimplify.c (gimplify_omp_workshare): Set it.
        * omp-low.c (lower_omp_target): Use it.
        * tree-pretty-print.c (dump_omp_clause): Print it.

        * omp-low.c (lower_omp_target) <OMP_CLAUSE_USE_DEVICE_PTR etc.>:
        Assert that for OpenACC we always have 'GOMP_MAP_USE_DEVICE_PTR'.

2020-01-10  David Malcolm  <dmalcolm@redhat.com>

        * Makefile.in (OBJS): Add tree-diagnostic-path.o.
        * common.opt (fdiagnostics-path-format=): New option.
        (diagnostic_path_format): New enum.
        (fdiagnostics-show-path-depths): New option.
        * coretypes.h (diagnostic_event_id_t): New forward decl.
        * diagnostic-color.c (color_dict): Add "path".
        * diagnostic-event-id.h: New file.
        * diagnostic-format-json.cc (json_from_expanded_location): Make
        non-static.
        (json_end_diagnostic): Call context->make_json_for_path if it
        exists and the diagnostic has a path.
        (diagnostic_output_format_init): Clear context->print_path.
        * diagnostic-path.h: New file.
        * diagnostic-show-locus.c (colorizer::set_range): Special-case
        when printing a run of events in a diagnostic_path so that they
        all get the same color.
        (layout::m_diagnostic_path_p): New field.
        (layout::layout): Initialize it.
        (layout::print_any_labels): Don't colorize the label text for an
        event in a diagnostic_path.
        (gcc_rich_location::add_location_if_nearby): Add
        "restrict_to_current_line_spans" and "label" params.  Pass the
        former to layout.maybe_add_location_range; pass the latter
        when calling add_range.
        * diagnostic.c: Include "diagnostic-path.h".
        (diagnostic_initialize): Initialize context->path_format and
        context->show_path_depths.
        (diagnostic_show_any_path): New function.
        (diagnostic_path::interprocedural_p): New function.
        (diagnostic_report_diagnostic): Call diagnostic_show_any_path.
        (simple_diagnostic_path::num_events): New function.
        (simple_diagnostic_path::get_event): New function.
        (simple_diagnostic_path::add_event): New function.
        (simple_diagnostic_event::simple_diagnostic_event): New ctor.
        (simple_diagnostic_event::~simple_diagnostic_event): New dtor.
        (debug): New overload taking a diagnostic_path *.
        * diagnostic.def (DK_DIAGNOSTIC_PATH): New.
        * diagnostic.h (enum diagnostic_path_format): New enum.
        (json::value): New forward decl.
        (diagnostic_context::path_format): New field.
        (diagnostic_context::show_path_depths): New field.
        (diagnostic_context::print_path): New callback field.
        (diagnostic_context::make_json_for_path): New callback field.
        (diagnostic_show_any_path): New decl.
        (json_from_expanded_location): New decl.
        * doc/invoke.texi (-fdiagnostics-path-format=): New option.
        (-fdiagnostics-show-path-depths): New option.
        (-fdiagnostics-color): Add "path" to description of default
        GCC_COLORS; describe it.
        (-fdiagnostics-format=json): Document how diagnostic paths are
        represented in the JSON output format.
        * gcc-rich-location.h (gcc_rich_location::add_location_if_nearby):
        Add optional params "restrict_to_current_line_spans" and "label".
        * opts.c (common_handle_option): Handle
        OPT_fdiagnostics_path_format_ and
        OPT_fdiagnostics_show_path_depths.
        * pretty-print.c: Include "diagnostic-event-id.h".
        (pp_format): Implement "%@" format code for printing
        diagnostic_event_id_t *.
        (selftest::test_pp_format): Add tests for "%@".
        * selftest-run-tests.c (selftest::run_tests): Call
        selftest::tree_diagnostic_path_cc_tests.
        * selftest.h (selftest::tree_diagnostic_path_cc_tests): New decl.
        * toplev.c (general_init): Initialize global_dc->path_format and
        global_dc->show_path_depths.
        * tree-diagnostic-path.cc: New file.
        * tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Make
        non-static.  Drop "diagnostic" param in favor of storing the
        original value of "where" and re-using it.
        (virt_loc_aware_diagnostic_finalizer): Update for dropped param of
        maybe_unwind_expanded_macro_loc.
        (tree_diagnostics_defaults): Initialize context->print_path and
        context->make_json_for_path.
        * tree-diagnostic.h (default_tree_diagnostic_path_printer): New
        decl.
        (default_tree_make_json_for_path): New decl.
        (maybe_unwind_expanded_macro_loc): New decl.

2020-01-10  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/93210
        * fold-const.h (native_encode_initializer,
        can_native_interpret_type_p): Declare.
        * fold-const.c (native_encode_string): Fix up handling with off != -1,
        simplify.
        (native_encode_initializer): New function, moved from dwarf2out.c.
        Adjust to native_encode_expr compatible arguments, including dry-run
        and partial extraction modes.  Don't handle STRING_CST.
        (can_native_interpret_type_p): No longer static.
        * gimple-fold.c (fold_ctor_reference): For native_encode_expr, verify
        offset / BITS_PER_UNIT fits into int and don't call it if
        can_native_interpret_type_p fails.  If suboff is NULL and for
        CONSTRUCTOR fold_{,non}array_ctor_reference returns NULL, retry with
        native_encode_initializer.
        (fold_const_aggregate_ref_1): Formatting fix.
        * dwarf2out.c (native_encode_initializer): Moved to fold-const.c.
        (tree_add_const_value_attribute): Adjust caller.

        PR tree-optimization/90838
        * tree-ssa-forwprop.c (simplify_count_trailing_zeroes): Use
        SCALAR_INT_TYPE_MODE instead of TYPE_MODE as operand of
        CTZ_DEFINED_VALUE_AT_ZERO.

2020-01-10  Vladimir Makarov  <vmakarov@redhat.com>

        PR inline-asm/93027
        * lra-constraints.c (match_reload): Permit input operands have the
        same mode as output while other input operands have a different
        mode.

2020-01-10  Wilco Dijkstra  <wdijkstr@arm.com>

        PR tree-optimization/90838
        * tree-ssa-forwprop.c (check_ctz_array): Add new function.
        (check_ctz_string): Likewise.
        (optimize_count_trailing_zeroes): Likewise.
        (simplify_count_trailing_zeroes): Likewise.
        (pass_forwprop::execute): Try ctz simplification.
        * match.pd: Add matching for ctz idioms.

2020-01-10  Stam Markianos-Wright  <stam.markianos-wright@arm.com>

        * config/aarch64/aarch64.c (aarch64_invalid_conversion): New function
        for target hook.
        (aarch64_invalid_unary_op): New function for target hook.
        (aarch64_invalid_binary_op): New function for target hook.

2020-01-10  Stam Markianos-Wright  <stam.markianos-wright@arm.com>

        * config.gcc: Add arm_bf16.h.
        * config/aarch64/aarch64-builtins.c
        (aarch64_simd_builtin_std_type): Add BFmode.
        (aarch64_init_simd_builtin_types): Define element types for vector
        types.
        (aarch64_init_bf16_types): New function.
        (aarch64_general_init_builtins): Add arm_init_bf16_types function call.
        * config/aarch64/aarch64-modes.def: Add BFmode and V4BF, V8BF vector
        modes.
        * config/aarch64/aarch64-simd-builtin-types.def: Add BF SIMD types.
        * config/aarch64/aarch64-simd.md: Add BF vector types to NEON move
        patterns.
        * config/aarch64/aarch64.h (AARCH64_VALID_SIMD_DREG_MODE): Add V4BF.
        (AARCH64_VALID_SIMD_QREG_MODE): Add V8BF.
        * config/aarch64/aarch64.c
        (aarch64_classify_vector_mode): Add support for BF types.
        (aarch64_gimplify_va_arg_expr): Add support for BF types.
        (aarch64_vq_mode): Add support for BF types.
        (aarch64_simd_container_mode): Add support for BF types.
        (aarch64_mangle_type): Add support for BF scalar type.
        * config/aarch64/aarch64.md: Add BFmode to movhf pattern.
        * config/aarch64/arm_bf16.h: New file.
        * config/aarch64/arm_neon.h: Add arm_bf16.h and Bfloat vector types.
        * config/aarch64/iterators.md: Add BF types to mode attributes.
        (HFBF, GPF_TF_F16_MOV, VDMOV, VQMOV, VQMOV_NO2Em VALL_F16MOV): New.

2020-01-10  Jason Merrill  <jason@redhat.com>

        PR c++/93173 - incorrect tree sharing.
        * gimplify.c (copy_if_shared): No longer static.
        * gimplify.h: Declare it.

2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>

        * doc/invoke.texi (-msve-vector-bits=): Document that
        -msve-vector-bits=128 now generates VL-specific code for
        little-endian targets.
        * config/aarch64/aarch64-sve-builtins.cc (register_builtin_types): Use
        build_vector_type_for_mode to construct the data vector types.
        * config/aarch64/aarch64.c (aarch64_convert_sve_vector_bits): Generate
        VL-specific code for -msve-vector-bits=128 on little-endian targets.
        (aarch64_simd_container_mode): Always prefer Advanced SIMD modes
        for 128-bit vectors.

2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.c (aarch64_evpc_sel): Fix gen_vcond_mask
        invocation.

2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-builtins.c
        (aarch64_builtin_vectorized_function): Check for specific vector modes,
        rather than checking the number of elements and the element mode.

2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
        get_related_vectype_for_scalar_type rather than build_vector_type
        to create the index type for a conditional reduction.

2020-01-10  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-vect-loop.c (update_epilogue_loop_vinfo): Update DR_REF
        for any type of gather or scatter, including strided accesses.

2020-01-10  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * tree-vectorizer.h (get_dr_vinfo_offset): Add missing function
         comment.

2020-01-10  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Use
        get_dr_vinfo_offset
        * tree-vect-loop.c (update_epilogue_loop_vinfo):  Remove orig_drs_init
        parameter and its use to reset DR_OFFSET's.
        (vect_transform_loop): Remove orig_drs_init argument.
        * tree-vect-loop-manip.c (vect_update_init_of_dr): Update the offset
        member of dr_vec_info rather than the offset of the associated
        data_reference's innermost_loop_behavior.
        (vect_update_init_of_dr): Pass dr_vec_info instead of data_reference.
        (vect_do_peeling): Remove orig_drs_init parameter and its construction.
        * tree-vect-stmts.c (check_scan_store): Replace use of DR_OFFSET with
        get_dr_vinfo_offset.
        (vectorizable_store): Likewise.
        (vectorizable_load): Likewise.

2020-01-10  Richard Biener  <rguenther@suse.de>

        * gimple-ssa-store-merging
        (pass_store_merging::terminate_all_aliasing_chains): Cache alias info.

2020-01-10  Martin Liska  <mliska@suse.cz>

        PR ipa/93217
        * ipa-inline-analysis.c (offline_size): Make proper parenthesis
        encapsulation that was there before r280040.

2020-01-10  Richard Biener  <rguenther@suse.de>

        PR middle-end/93199
        * tree-eh.c (sink_clobbers): Move clobbers to out-of-IL
        sequences to avoid walking them again for secondary opportunities.
        (pass_lower_eh_dispatch::execute): Instead actually insert
        them here.

2020-01-10  Richard Biener  <rguenther@suse.de>

        PR middle-end/93199
        * tree-eh.c (redirect_eh_edge_1): Avoid some work if possible.
        (cleanup_all_empty_eh): Walk landing pads in reverse order to
        avoid quadraticness.

2020-01-10  Martin Jambor  <mjambor@suse.cz>

        * params.opt (param_ipa_sra_max_replacements): Mark as Optimization.
        * ipa-sra.c (pull_accesses_from_callee): New parameter caller, use it
        to get param_ipa_sra_max_replacements.
        (param_splitting_across_edge): Pass the caller to
        pull_accesses_from_callee.

2020-01-10  Martin Jambor  <mjambor@suse.cz>

        * params.opt (param_ipcp_unit_growth): Mark as Optimization.
        * ipa-cp.c (max_new_size): Removed.
        (orig_overall_size): New variable.
        (get_max_overall_size): New function.
        (estimate_local_effects): Use it.  Adjust dump.
        (decide_about_value): Likewise.
        (ipcp_propagate_stage): Do not calculate max_new_size, just store
        orig_overall_size.  Adjust dump.
        (ipa_cp_c_finalize): Clear orig_overall_size instead of max_new_size.

2020-01-10  Martin Jambor  <mjambor@suse.cz>

        * params.opt (param_ipa_max_agg_items): Mark as Optimization
        * ipa-cp.c (merge_agg_lats_step): New parameter max_agg_items, use
        instead of param_ipa_max_agg_items.
        (merge_aggregate_lattices): Extract param_ipa_max_agg_items from
        optimization info for the callee.

2020-01-09  Kwok Cheung Yeung  <kcy@codesourcery.com>

        * lto-streamer-in.c (input_function): Remove streamed-in inline debug
        markers if debug_inline_points is false.

2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>

        * config.gcc (aarch64*-*-*): Add aarch64-sve-builtins-sve2.o to
        extra_objs.
        * config/aarch64/t-aarch64 (aarch64-sve-builtins.o): Depend on
        aarch64-sve-builtins-base.def, aarch64-sve-builtins-sve2.def and
        aarch64-sve-builtins-sve2.h.
        (aarch64-sve-builtins-sve2.o): New rule.
        * config/aarch64/aarch64.h (AARCH64_ISA_SVE2_AES): New macro.
        (AARCH64_ISA_SVE2_BITPERM, AARCH64_ISA_SVE2_SHA3): Likewise.
        (AARCH64_ISA_SVE2_SM4, TARGET_SVE2_AES, TARGET_SVE2_BITPERM): Likewise.
        (TARGET_SVE2_SHA, TARGET_SVE2_SM4): Likewise.
        * config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Handle
        TARGET_SVE2_AES, TARGET_SVE2_BITPERM, TARGET_SVE2_SHA3 and
        TARGET_SVE2_SM4.
        * config/aarch64/aarch64-sve.md: Update comments with SVE2
        instructions that are handled here.
        (@cond_asrd<mode>): Generalize to...
        (@cond_<SVE_INT_SHIFT_IMM:sve_int_op><mode>): ...this.
        (*cond_asrd<mode>_2): Generalize to...
        (*cond_<SVE_INT_SHIFT_IMM:sve_int_op><mode>_2): ...this.
        (*cond_asrd<mode>_z): Generalize to...
        (*cond_<SVE_INT_SHIFT_IMM:sve_int_op><mode>_z): ...this.
        * config/aarch64/aarch64.md (UNSPEC_LDNT1_GATHER): New unspec.
        (UNSPEC_STNT1_SCATTER, UNSPEC_WHILEGE, UNSPEC_WHILEGT): Likewise.
        (UNSPEC_WHILEHI, UNSPEC_WHILEHS): Likewise.
        * config/aarch64/aarch64-sve2.md (@aarch64_gather_ldnt<mode>): New
        pattern.
        (@aarch64_gather_ldnt_<ANY_EXTEND:optab><SVE_FULL_SDI:mode><SVE_PARTIAL_I:mode>)
        (@aarch64_scatter_stnt<mode>): Likewise.
        (@aarch64_scatter_stnt_<SVE_FULL_SDI:mode><SVE_PARTIAL_I:mode>)
        (@aarch64_mul_lane_<mode>): Likewise.
        (@aarch64_sve_suqadd<mode>_const): Likewise.
        (*<sur>h<addsub><mode>): Generalize to...
        (@aarch64_pred_<SVE2_COND_INT_BINARY_REV:sve_int_op><mode>): ...this
        new pattern.
        (@cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>): New expander.
        (*cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>_2): New pattern.
        (*cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>_3): Likewise.
        (*cond_<SVE2_COND_INT_BINARY:sve_int_op><mode>_any): Likewise.
        (*cond_<SVE2_COND_INT_BINARY_NOREV:sve_int_op><mode>_z): Likewise.
        (@aarch64_sve_<SVE2_INT_BINARY:sve_int_op><mode>):: Likewise.
        (@aarch64_sve_<SVE2_INT_BINARY:sve_int_op>_lane_<mode>): Likewise.
        (@aarch64_pred_<SVE2_COND_INT_SHIFT:sve_int_op><mode>): Likewise.
        (@cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>): New expander.
        (*cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>_2): New pattern.
        (*cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>_3): Likewise.
        (*cond_<SVE2_COND_INT_SHIFT:sve_int_op><mode>_any): Likewise.
        (@aarch64_sve_<SVE2_INT_TERNARY:sve_int_op><mode>): Likewise.
        (@aarch64_sve_<SVE2_INT_TERNARY_LANE:sve_int_op>_lane_<mode>)
        (@aarch64_sve_add_mul_lane_<mode>): Likewise.
        (@aarch64_sve_sub_mul_lane_<mode>): Likewise.
        (@aarch64_sve2_xar<mode>): Likewise.
        (@aarch64_sve2_bcax<mode>): Likewise.
        (*aarch64_sve2_eor3<mode>): Rename to...
        (@aarch64_sve2_eor3<mode>): ...this.
        (@aarch64_sve2_bsl<mode>): New expander.
        (@aarch64_sve2_nbsl<mode>): Likewise.
        (@aarch64_sve2_bsl1n<mode>): Likewise.
        (@aarch64_sve2_bsl2n<mode>): Likewise.
        (@aarch64_sve_add_<SHIFTRT:sve_int_op><mode>): Likewise.
        (*aarch64_sve2_sra<mode>): Add MOVPRFX support.
        (@aarch64_sve_add_<VRSHR_N:sve_int_op><mode>): New pattern.
        (@aarch64_sve_<SVE2_INT_SHIFT_INSERT:sve_int_op><mode>): Likewise.
        (@aarch64_sve2_<USMAX:su>aba<mode>): New expander.
        (*aarch64_sve2_<USMAX:su>aba<mode>): New pattern.
        (@aarch64_sve_<SVE2_INT_BINARY_WIDE:sve_int_op><mode>): Likewise.
        (<su>mull<bt><Vwide>): Generalize to...
        (@aarch64_sve_<SVE2_INT_BINARY_LONG:sve_int_op><mode>): ...this new
        pattern.
        (@aarch64_sve_<SVE2_INT_BINARY_LONG_lANE:sve_int_op>_lane_<mode>)
        (@aarch64_sve_<SVE2_INT_SHIFT_IMM_LONG:sve_int_op><mode>)
        (@aarch64_sve_add_<SVE2_INT_ADD_BINARY_LONG:sve_int_op><mode>)
        (@aarch64_sve_add_<SVE2_INT_ADD_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
        (@aarch64_sve_qadd_<SVE2_INT_QADD_BINARY_LONG:sve_int_op><mode>)
        (@aarch64_sve_qadd_<SVE2_INT_QADD_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
        (@aarch64_sve_sub_<SVE2_INT_SUB_BINARY_LONG:sve_int_op><mode>)
        (@aarch64_sve_sub_<SVE2_INT_SUB_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
        (@aarch64_sve_qsub_<SVE2_INT_QSUB_BINARY_LONG:sve_int_op><mode>)
        (@aarch64_sve_qsub_<SVE2_INT_QSUB_BINARY_LONG_LANE:sve_int_op>_lane_<mode>)
        (@aarch64_sve_<SVE2_FP_TERNARY_LONG:sve_fp_op><mode>): New patterns.
        (@aarch64_<SVE2_FP_TERNARY_LONG_LANE:sve_fp_op>_lane_<mode>)
        (@aarch64_sve_<SVE2_INT_UNARY_NARROWB:sve_int_op><mode>): Likewise.
        (@aarch64_sve_<SVE2_INT_UNARY_NARROWT:sve_int_op><mode>): Likewise.
        (@aarch64_sve_<SVE2_INT_BINARY_NARROWB:sve_int_op><mode>): Likewise.
        (@aarch64_sve_<SVE2_INT_BINARY_NARROWT:sve_int_op><mode>): Likewise.
        (<SHRNB:r>shrnb<mode>): Generalize to...
        (@aarch64_sve_<SVE2_INT_SHIFT_IMM_NARROWB:sve_int_op><mode>): ...this
        new pattern.
        (<SHRNT:r>shrnt<mode>): Generalize to...
        (@aarch64_sve_<SVE2_INT_SHIFT_IMM_NARROWT:sve_int_op><mode>): ...this
        new pattern.
        (@aarch64_pred_<SVE2_INT_BINARY_PAIR:sve_int_op><mode>): New pattern.
        (@aarch64_pred_<SVE2_FP_BINARY_PAIR:sve_fp_op><mode>): Likewise.
        (@cond_<SVE2_INT_BINARY_PAIR_LONG:sve_int_op><mode>): New expander.
        (*cond_<SVE2_INT_BINARY_PAIR_LONG:sve_int_op><mode>_2): New pattern.
        (*cond_<SVE2_INT_BINARY_PAIR_LONG:sve_int_op><mode>_z): Likewise.
        (@aarch64_sve_<SVE2_INT_CADD:optab><mode>): Likewise.
        (@aarch64_sve_<SVE2_INT_CMLA:optab><mode>): Likewise.
        (@aarch64_<SVE2_INT_CMLA:optab>_lane_<mode>): Likewise.
        (@aarch64_sve_<SVE2_INT_CDOT:optab><mode>): Likewise.
        (@aarch64_<SVE2_INT_CDOT:optab>_lane_<mode>): Likewise.
        (@aarch64_pred_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): Likewise.
        (@cond_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): New expander.
        (*cond_<SVE2_COND_FP_UNARY_LONG:sve_fp_op><mode>): New pattern.
        (@aarch64_sve2_cvtnt<mode>): Likewise.
        (@aarch64_pred_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>): Likewise.
        (@cond_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>): New expander.
        (*cond_<SVE2_COND_FP_UNARY_NARROWB:sve_fp_op><mode>_any): New pattern.
        (@aarch64_sve2_cvtxnt<mode>): Likewise.
        (@aarch64_pred_<SVE2_U32_UNARY:sve_int_op><mode>): Likewise.
        (@cond_<SVE2_U32_UNARY:sve_int_op><mode>): New expander.
        (*cond_<SVE2_U32_UNARY:sve_int_op><mode>): New pattern.
        (@aarch64_pred_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): Likewise.
        (@cond_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): New expander.
        (*cond_<SVE2_COND_INT_UNARY_FP:sve_fp_op><mode>): New pattern.
        (@aarch64_sve2_pmul<mode>): Likewise.
        (@aarch64_sve_<SVE2_PMULL:optab><mode>): Likewise.
        (@aarch64_sve_<SVE2_PMULL_PAIR:optab><mode>): Likewise.
        (@aarch64_sve2_tbl2<mode>): Likewise.
        (@aarch64_sve2_tbx<mode>): Likewise.
        (@aarch64_sve_<SVE2_INT_BITPERM:sve_int_op><mode>): Likewise.
        (@aarch64_sve2_histcnt<mode>): Likewise.
        (@aarch64_sve2_histseg<mode>): Likewise.
        (@aarch64_pred_<SVE2_MATCH:sve_int_op><mode>): Likewise.
        (*aarch64_pred_<SVE2_MATCH:sve_int_op><mode>_cc): Likewise.
        (*aarch64_pred_<SVE2_MATCH:sve_int_op><mode>_ptest): Likewise.
        (aarch64_sve2_aes<CRYPTO_AES:aes_op>): Likewise.
        (aarch64_sve2_aes<CRYPTO_AESMC:aesmc_op>): Likewise.
        (*aarch64_sve2_aese_fused, *aarch64_sve2_aesd_fused): Likewise.
        (aarch64_sve2_rax1, aarch64_sve2_sm4e, aarch64_sve2_sm4ekey): Likewise.
        (<su>mulh<r>s<mode>3): Update after above pattern name changes.
        * config/aarch64/iterators.md (VNx16QI_ONLY, VNx4SF_ONLY)
        (SVE_STRUCT2, SVE_FULL_BHI, SVE_FULL_HSI, SVE_FULL_HDI)
        (SVE2_PMULL_PAIR_I): New mode iterators.
        (UNSPEC_ADCLB, UNSPEC_ADCLT, UNSPEC_ADDHNB, UNSPEC_ADDHNT, UNSPEC_BDEP)
        (UNSPEC_BEXT, UNSPEC_BGRP, UNSPEC_CADD90, UNSPEC_CADD270, UNSPEC_CDOT)
        (UNSPEC_CDOT90, UNSPEC_CDOT180, UNSPEC_CDOT270, UNSPEC_CMLA)
        (UNSPEC_CMLA90, UNSPEC_CMLA180, UNSPEC_CMLA270, UNSPEC_COND_FCVTLT)
        (UNSPEC_COND_FCVTNT, UNSPEC_COND_FCVTX, UNSPEC_COND_FCVTXNT)
        (UNSPEC_COND_FLOGB, UNSPEC_EORBT, UNSPEC_EORTB, UNSPEC_FADDP)
        (UNSPEC_FMAXP, UNSPEC_FMAXNMP, UNSPEC_FMLALB, UNSPEC_FMLALT)
        (UNSPEC_FMLSLB, UNSPEC_FMLSLT, UNSPEC_FMINP, UNSPEC_FMINNMP)
        (UNSPEC_HISTCNT, UNSPEC_HISTSEG, UNSPEC_MATCH, UNSPEC_NMATCH)
        (UNSPEC_PMULLB, UNSPEC_PMULLB_PAIR, UNSPEC_PMULLT, UNSPEC_PMULLT_PAIR)
        (UNSPEC_RADDHNB, UNSPEC_RADDHNT, UNSPEC_RSUBHNB, UNSPEC_RSUBHNT)
        (UNSPEC_SLI, UNSPEC_SRI, UNSPEC_SABDLB, UNSPEC_SABDLT, UNSPEC_SADDLB)
        (UNSPEC_SADDLBT, UNSPEC_SADDLT, UNSPEC_SADDWB, UNSPEC_SADDWT)
        (UNSPEC_SBCLB, UNSPEC_SBCLT, UNSPEC_SMAXP, UNSPEC_SMINP)
        (UNSPEC_SQCADD90, UNSPEC_SQCADD270, UNSPEC_SQDMULLB, UNSPEC_SQDMULLBT)
        (UNSPEC_SQDMULLT, UNSPEC_SQRDCMLAH, UNSPEC_SQRDCMLAH90)
        (UNSPEC_SQRDCMLAH180, UNSPEC_SQRDCMLAH270, UNSPEC_SQRSHRNB)
        (UNSPEC_SQRSHRNT, UNSPEC_SQRSHRUNB, UNSPEC_SQRSHRUNT, UNSPEC_SQSHRNB)
        (UNSPEC_SQSHRNT, UNSPEC_SQSHRUNB, UNSPEC_SQSHRUNT, UNSPEC_SQXTNB)
        (UNSPEC_SQXTNT, UNSPEC_SQXTUNB, UNSPEC_SQXTUNT, UNSPEC_SSHLLB)
        (UNSPEC_SSHLLT, UNSPEC_SSUBLB, UNSPEC_SSUBLBT, UNSPEC_SSUBLT)
        (UNSPEC_SSUBLTB, UNSPEC_SSUBWB, UNSPEC_SSUBWT, UNSPEC_SUBHNB)
        (UNSPEC_SUBHNT, UNSPEC_TBL2, UNSPEC_UABDLB, UNSPEC_UABDLT)
        (UNSPEC_UADDLB, UNSPEC_UADDLT, UNSPEC_UADDWB, UNSPEC_UADDWT)
        (UNSPEC_UMAXP, UNSPEC_UMINP, UNSPEC_UQRSHRNB, UNSPEC_UQRSHRNT)
        (UNSPEC_UQSHRNB, UNSPEC_UQSHRNT, UNSPEC_UQXTNB, UNSPEC_UQXTNT)
        (UNSPEC_USHLLB, UNSPEC_USHLLT, UNSPEC_USUBLB, UNSPEC_USUBLT)
        (UNSPEC_USUBWB, UNSPEC_USUBWT): New unspecs.
        (UNSPEC_SMULLB, UNSPEC_SMULLT, UNSPEC_UMULLB, UNSPEC_UMULLT)
        (UNSPEC_SMULHS, UNSPEC_SMULHRS, UNSPEC_UMULHS, UNSPEC_UMULHRS)
        (UNSPEC_RSHRNB, UNSPEC_RSHRNT, UNSPEC_SHRNB, UNSPEC_SHRNT): Move
        further down file.
        (VNARROW, Ventype): New mode attributes.
        (Vewtype): Handle VNx2DI.  Fix typo in comment.
        (VDOUBLE): New mode attribute.
        (sve_lane_con): Handle VNx8HI.
        (SVE_INT_UNARY): Include ss_abs and ss_neg for TARGET_SVE2.
        (SVE_INT_BINARY): Likewise ss_plus, us_plus, ss_minus and us_minus.
        (sve_int_op, sve_int_op_rev): Handle the above codes.
        (sve_pred_int_rhs2_operand): Likewise.
        (MULLBT, SHRNB, SHRNT): Delete.
        (SVE_INT_SHIFT_IMM): New int iterator.
        (SVE_WHILE): Add UNSPEC_WHILEGE, UNSPEC_WHILEGT, UNSPEC_WHILEHI
        and UNSPEC_WHILEHS for TARGET_SVE2.
        (SVE2_U32_UNARY, SVE2_INT_UNARY_NARROWB, SVE2_INT_UNARY_NARROWT)
        (SVE2_INT_BINARY, SVE2_INT_BINARY_LANE, SVE2_INT_BINARY_LONG)
        (SVE2_INT_BINARY_LONG_LANE, SVE2_INT_BINARY_NARROWB)
        (SVE2_INT_BINARY_NARROWT, SVE2_INT_BINARY_PAIR, SVE2_FP_BINARY_PAIR)
        (SVE2_INT_BINARY_PAIR_LONG, SVE2_INT_BINARY_WIDE): New int iterators.
        (SVE2_INT_SHIFT_IMM_LONG, SVE2_INT_SHIFT_IMM_NARROWB): Likewise.
        (SVE2_INT_SHIFT_IMM_NARROWT, SVE2_INT_SHIFT_INSERT, SVE2_INT_CADD)
        (SVE2_INT_BITPERM, SVE2_INT_TERNARY, SVE2_INT_TERNARY_LANE): Likewise.
        (SVE2_FP_TERNARY_LONG, SVE2_FP_TERNARY_LONG_LANE, SVE2_INT_CMLA)
        (SVE2_INT_CDOT, SVE2_INT_ADD_BINARY_LONG, SVE2_INT_QADD_BINARY_LONG)
        (SVE2_INT_SUB_BINARY_LONG, SVE2_INT_QSUB_BINARY_LONG): Likewise.
        (SVE2_INT_ADD_BINARY_LONG_LANE, SVE2_INT_QADD_BINARY_LONG_LANE)
        (SVE2_INT_SUB_BINARY_LONG_LANE, SVE2_INT_QSUB_BINARY_LONG_LANE)
        (SVE2_COND_INT_UNARY_FP, SVE2_COND_FP_UNARY_LONG): Likewise.
        (SVE2_COND_FP_UNARY_NARROWB, SVE2_COND_INT_BINARY): Likewise.
        (SVE2_COND_INT_BINARY_NOREV, SVE2_COND_INT_BINARY_REV): Likewise.
        (SVE2_COND_INT_SHIFT, SVE2_MATCH, SVE2_PMULL): Likewise.
        (optab): Handle the new unspecs.
        (su, r): Remove entries for UNSPEC_SHRNB, UNSPEC_SHRNT, UNSPEC_RSHRNB
        and UNSPEC_RSHRNT.
        (lr): Handle the new unspecs.
        (bt): Delete.
        (cmp_op, while_optab_cmp, sve_int_op): Handle the new unspecs.
        (sve_int_op_rev, sve_int_add_op, sve_int_qadd_op, sve_int_sub_op)
        (sve_int_qsub_op): New int attributes.
        (sve_fp_op, rot): Handle the new unspecs.
        * config/aarch64/aarch64-sve-builtins.h
        (function_resolver::require_matching_pointer_type): Declare.
        (function_resolver::resolve_unary): Add an optional boolean argument.
        (function_resolver::finish_opt_n_resolution): Add an optional
        type_suffix_index argument.
        (gimple_folder::redirect_call): Declare.
        (gimple_expander::prepare_gather_address_operands): Add an optional
        bool parameter.
        * config/aarch64/aarch64-sve-builtins.cc: Include
        aarch64-sve-builtins-sve2.h.
        (TYPES_b_unsigned, TYPES_b_integer, TYPES_bh_integer): New macros.
        (TYPES_bs_unsigned, TYPES_hs_signed, TYPES_hs_integer): Likewise.
        (TYPES_hd_unsigned, TYPES_hsd_signed): Likewise.
        (TYPES_hsd_integer): Use TYPES_hsd_signed.
        (TYPES_s_float_hsd_integer, TYPES_s_float_sd_integer): New macros.
        (TYPES_s_unsigned): Likewise.
        (TYPES_s_integer): Use TYPES_s_unsigned.
        (TYPES_sd_signed, TYPES_sd_unsigned): New macros.
        (TYPES_sd_integer): Use them.
        (TYPES_d_unsigned): New macro.
        (TYPES_d_integer): Use it.
        (TYPES_d_data, TYPES_cvt_long, TYPES_cvt_narrow_s): New macros.
        (TYPES_cvt_narrow): Likewise.
        (DEF_SVE_TYPES_ARRAY): Include the new types macros above.
        (preds_mx): New variable.
        (function_builder::add_overloaded_function): Allow the new feature
        set to be more restrictive than the original one.
        (function_resolver::infer_pointer_type): Remove qualifiers from
        the pointer type before printing it.
        (function_resolver::require_matching_pointer_type): New function.
        (function_resolver::resolve_sv_displacement): Handle functions
        that don't support 32-bit vector indices or svint32_t vector offsets.
        (function_resolver::finish_opt_n_resolution): Take the inferred type
        as a separate argument.
        (function_resolver::resolve_unary): Optionally treat all forms in
        the same way as normal merging functions.
        (gimple_folder::redirect_call): New function.
        (function_expander::prepare_gather_address_operands): Add an argument
        that says whether scaled forms are available.  If they aren't,
        handle scaling of vector indices and don't add the extension and
        scaling operands.
        (function_expander::map_to_unspecs): If aarch64_sve isn't available,
        fall back to using cond_* instead.
        * config/aarch64/aarch64-sve-builtins-functions.h (rtx_code_function):
        Split out the member variables into...
        (rtx_code_function_base): ...this new base class.
        (rtx_code_function_rotated): Inherit rtx_code_function_base.
        (unspec_based_function): Split out the member variables into...
        (unspec_based_function_base): ...this new base class.
        (unspec_based_function_rotated): Inherit unspec_based_function_base.
        (unspec_based_function_exact_insn): New class.
        (unspec_based_add_function, unspec_based_add_lane_function)
        (unspec_based_lane_function, unspec_based_pred_function)
        (unspec_based_qadd_function, unspec_based_qadd_lane_function)
        (unspec_based_qsub_function, unspec_based_qsub_lane_function)
        (unspec_based_sub_function, unspec_based_sub_lane_function): New
        typedefs.
        (unspec_based_fused_function): New class.
        (unspec_based_mla_function, unspec_based_mls_function): New typedefs.
        (unspec_based_fused_lane_function): New class.
        (unspec_based_mla_lane_function, unspec_based_mls_lane_function): New
        typedefs.
        (CODE_FOR_MODE1): New macro.
        (fixed_insn_function): New class.
        (while_comparison): Likewise.
        * config/aarch64/aarch64-sve-builtins-shapes.h (binary_long_lane)
        (binary_long_opt_n, binary_narrowb_opt_n, binary_narrowt_opt_n)
        (binary_to_uint, binary_wide, binary_wide_opt_n, compare, compare_ptr)
        (load_ext_gather_index_restricted, load_ext_gather_offset_restricted)
        (load_gather_sv_restricted, shift_left_imm_long): Declare.
        (shift_left_imm_to_uint, shift_right_imm_narrowb): Likewise.
        (shift_right_imm_narrowt, shift_right_imm_narrowb_to_uint): Likewise.
        (shift_right_imm_narrowt_to_uint, store_scatter_index_restricted)
        (store_scatter_offset_restricted, tbl_tuple, ternary_long_lane)
        (ternary_long_opt_n, ternary_qq_lane_rotate, ternary_qq_rotate)
        (ternary_shift_left_imm, ternary_shift_right_imm, ternary_uint)
        (unary_convert_narrowt, unary_long, unary_narrowb, unary_narrowt)
        (unary_narrowb_to_uint, unary_narrowt_to_uint, unary_to_int): Likewise.
        * config/aarch64/aarch64-sve-builtins-shapes.cc (apply_predication):
        Also add an initial argument for unary_convert_narrowt, regardless
        of the predication type.
        (build_32_64): Allow loads and stores to specify MODE_none.
        (build_sv_index64, build_sv_uint_offset): New functions.
        (long_type_suffix): New function.
        (binary_imm_narrowb_base, binary_imm_narrowt_base): New classes.
        (binary_imm_long_base, load_gather_sv_base): Likewise.
        (shift_right_imm_narrow_wrapper, ternary_shift_imm_base): Likewise.
        (ternary_resize2_opt_n_base, ternary_resize2_lane_base): Likewise.
        (unary_narrowb_base, unary_narrowt_base): Likewise.
        (binary_long_lane_def, binary_long_lane): New shape.
        (binary_long_opt_n_def, binary_long_opt_n): Likewise.
        (binary_narrowb_opt_n_def, binary_narrowb_opt_n): Likewise.
        (binary_narrowt_opt_n_def, binary_narrowt_opt_n): Likewise.
        (binary_to_uint_def, binary_to_uint): Likewise.
        (binary_wide_def, binary_wide): Likewise.
        (binary_wide_opt_n_def, binary_wide_opt_n): Likewise.
        (compare_def, compare): Likewise.
        (compare_ptr_def, compare_ptr): Likewise.
        (load_ext_gather_index_restricted_def,
        load_ext_gather_index_restricted): Likewise.
        (load_ext_gather_offset_restricted_def,
        load_ext_gather_offset_restricted): Likewise.
        (load_gather_sv_def): Inherit from load_gather_sv_base.
        (load_gather_sv_restricted_def, load_gather_sv_restricted): New shape.
        (shift_left_imm_def, shift_left_imm): Likewise.
        (shift_left_imm_long_def, shift_left_imm_long): Likewise.
        (shift_left_imm_to_uint_def, shift_left_imm_to_uint): Likewise.
        (store_scatter_index_restricted_def,
        store_scatter_index_restricted): Likewise.
        (store_scatter_offset_restricted_def,
        store_scatter_offset_restricted): Likewise.
        (tbl_tuple_def, tbl_tuple): Likewise.
        (ternary_long_lane_def, ternary_long_lane): Likewise.
        (ternary_long_opt_n_def, ternary_long_opt_n): Likewise.
        (ternary_qq_lane_def): Inherit from ternary_resize2_lane_base.
        (ternary_qq_lane_rotate_def, ternary_qq_lane_rotate): New shape
        (ternary_qq_opt_n_def): Inherit from ternary_resize2_opt_n_base.
        (ternary_qq_rotate_def, ternary_qq_rotate): New shape.
        (ternary_shift_left_imm_def, ternary_shift_left_imm): Likewise.
        (ternary_shift_right_imm_def, ternary_shift_right_imm): Likewise.
        (ternary_uint_def, ternary_uint): Likewise.
        (unary_convert): Fix typo in comment.
        (unary_convert_narrowt_def, unary_convert_narrowt): New shape.
        (unary_long_def, unary_long): Likewise.
        (unary_narrowb_def, unary_narrowb): Likewise.
        (unary_narrowt_def, unary_narrowt): Likewise.
        (unary_narrowb_to_uint_def, unary_narrowb_to_uint): Likewise.
        (unary_narrowt_to_uint_def, unary_narrowt_to_uint): Likewise.
        (unary_to_int_def, unary_to_int): Likewise.
        * config/aarch64/aarch64-sve-builtins-base.cc (unspec_cmla)
        (unspec_fcmla, unspec_cond_fcmla, expand_mla_mls_lane): New functions.
        (svasrd_impl): Delete.
        (svcadd_impl::expand): Handle integer operations too.
        (svcmla_impl::expand, svcmla_lane::expand): Likewise, using the
        new functions to derive the unspec numbers.
        (svmla_svmls_lane_impl): Replace with...
        (svmla_lane_impl, svmls_lane_impl): ...these new classes.  Handle
        integer operations too.
        (svwhile_impl): Rename to...
        (svwhilelx_impl): ...this and inherit from while_comparison.
        (svasrd): Use unspec_based_function.
        (svmla_lane): Use svmla_lane_impl.
        (svmls_lane): Use svmls_lane_impl.
        (svrecpe, svrsqrte): Handle unsigned integer operations too.
        (svwhilele, svwhilelt): Use svwhilelx_impl.
        * config/aarch64/aarch64-sve-builtins-sve2.h: New file.
        * config/aarch64/aarch64-sve-builtins-sve2.cc: Likewise.
        * config/aarch64/aarch64-sve-builtins-sve2.def: Likewise.
        * config/aarch64/aarch64-sve-builtins.def: Include
        aarch64-sve-builtins-sve2.def.

2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_sve_arith_immediate_p)
        (aarch64_sve_sqadd_sqsub_immediate_p): Add a machine_mode argument.
        * config/aarch64/aarch64.c (aarch64_sve_arith_immediate_p)
        (aarch64_sve_sqadd_sqsub_immediate_p): Likewise.  Handle scalar
        immediates as well as vector ones.
        * config/aarch64/predicates.md (aarch64_sve_arith_immediate)
        (aarch64_sve_sub_arith_immediate, aarch64_sve_qadd_immediate)
        (aarch64_sve_qsub_immediate): Update calls accordingly.

2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-sve2.md: Add banner comments.
        (<su>mulh<r>s<mode>3): Move further up file.
        (<su>mull<bt><Vwide>, <r>shrnb<mode>, <r>shrnt<mode>)
        (*aarch64_sve2_sra<mode>): Move further down file.
        * config/aarch64/t-aarch64 (s-check-sve-md): Check aarch64-sve2.md too.

2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/iterators.md (SVE_WHILE): Add UNSPEC_WHILERW
        and UNSPEC_WHILEWR.
        (while_optab_cmp): Handle them.
        * config/aarch64/aarch64-sve.md
        (*while_<while_optab_cmp><GPI:mode><PRED_ALL:mode>_ptest): Make public
        and add a "@" marker.
        * config/aarch64/aarch64-sve2.md (check_<raw_war>_ptrs<mode>): Use it
        instead of gen_aarch64_sve2_while_ptest.
        (@aarch64_sve2_while<cmp_op><GPI:mode><PRED_ALL:mode>_ptest): Delete.

2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64.md (UNSPEC_WHILE_LE): Rename to...
        (UNSPEC_WHILELE): ...this.
        (UNSPEC_WHILE_LO): Rename to...
        (UNSPEC_WHILELO): ...this.
        (UNSPEC_WHILE_LS): Rename to...
        (UNSPEC_WHILELS): ...this.
        (UNSPEC_WHILE_LT): Rename to...
        (UNSPEC_WHILELT): ...this.
        * config/aarch64/iterators.md (SVE_WHILE): Update accordingly.
        (cmp_op, while_optab_cmp): Likewise.
        * config/aarch64/aarch64.c (aarch64_sve_move_pred_via_while): Likewise.
        * config/aarch64/aarch64-sve-builtins-base.cc (svwhilele): Likewise.
        (svwhilelt): Likewise.

2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-sve-builtins-shapes.h (unary_count): Delete.
        (unary_to_uint): Define.
        * config/aarch64/aarch64-sve-builtins-shapes.cc (unary_count_def)
        (unary_count): Rename to...
        (unary_to_uint_def, unary_to_uint): ...this.
        * config/aarch64/aarch64-sve-builtins-base.def: Update accordingly.

2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-sve-builtins-functions.h
        (code_for_mode_function): New class.
        (CODE_FOR_MODE0, QUIET_CODE_FOR_MODE0): New macros.
        * config/aarch64/aarch64-sve-builtins-base.cc (svcompact_impl)
        (svext_impl, svmul_lane_impl, svsplice_impl, svtmad_impl): Delete.
        (svcompact, svext, svsplice): Use QUIET_CODE_FOR_MODE0.
        (svmul_lane, svtmad): Use CODE_FOR_MODE0.

2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/iterators.md (addsub): New code attribute.
        * config/aarch64/aarch64-simd.md (aarch64_<su_optab><optab><mode>):
        Re-express as...
        (aarch64_<su_optab>q<addsub><mode>): ...this, making the same change
        in the asm string and attributes.  Fix indentation.
        * config/aarch64/aarch64-sve.md (@aarch64_<su_optab><optab><mode>):
        Re-express as...
        (@aarch64_sve_<optab><mode>): ...this.
        * config/aarch64/aarch64-sve-builtins.h
        (function_expander::expand_signed_unpred_op): Delete.
        * config/aarch64/aarch64-sve-builtins.cc
        (function_expander::expand_signed_unpred_op): Likewise.
        (function_expander::map_to_rtx_codes): If the optab isn't defined,
        try using code_for_aarch64_sve instead.
        * config/aarch64/aarch64-sve-builtins-base.cc (svqadd_impl): Delete.
        (svqsub_impl): Likewise.
        (svqadd, svqsub): Use rtx_code_function instead.

2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/iterators.md (SRHSUB, URHSUB): Delete.
        (HADDSUB, sur, addsub): Remove them.

2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-nrv.c (pass_return_slot::execute): Handle all internal
        functions the same way, rather than singling out those that
        aren't mapped directly to optabs.

2020-01-09  Richard Sandiford  <richard.sandiford@arm.com>

        * target.def (compatible_vector_types_p): New target hook.
        * hooks.h (hook_bool_const_tree_const_tree_true): Declare.
        * hooks.c (hook_bool_const_tree_const_tree_true): New function.
        * doc/tm.texi.in (TARGET_COMPATIBLE_VECTOR_TYPES_P): New hook.
        * doc/tm.texi: Regenerate.
        * gimple-expr.c: Include target.h.
        (useless_type_conversion_p): Use targetm.compatible_vector_types_p.
        * config/aarch64/aarch64.c (aarch64_compatible_vector_types_p): New
        function.
        (TARGET_COMPATIBLE_VECTOR_TYPES_P): Define.
        * config/aarch64/aarch64-sve-builtins.cc (gimple_folder::convert_pred):
        Use the original predicate if it already has a suitable type.

2020-01-09  Martin Jambor  <mjambor@suse.cz>

        * cgraph.h (cgraph_edge): Make remove, set_call_stmt, make_direct,
        resolve_speculation and redirect_call_stmt_to_callee static.  Change
        return type of set_call_stmt to cgraph_edge *.
        * auto-profile.c (afdo_indirect_call): Adjust call to
        redirect_call_stmt_to_callee.
        * cgraph.c (cgraph_edge::set_call_stmt): Make return cgraph-edge *,
        make the this pointer explicit, adjust self-recursive calls and the
        call top make_direct.  Return the resulting edge.
        (cgraph_edge::remove): Make this pointer explicit.
        (cgraph_edge::resolve_speculation): Likewise, adjust call to remove.
        (cgraph_edge::make_direct): Likewise, adjust call to
        resolve_speculation.
        (cgraph_edge::redirect_call_stmt_to_callee): Likewise, also adjust
        call to set_call_stmt.
        (cgraph_update_edges_for_call_stmt_node): Update call to
        set_call_stmt and remove.
        * cgraphclones.c (cgraph_node::set_call_stmt_including_clones):
        Renamed edge to master_edge.  Adjusted calls to set_call_stmt.
        (cgraph_node::create_edge_including_clones): Moved "first" definition
        of edge to the block where it was used.  Adjusted calls to
        set_call_stmt.
        (cgraph_node::remove_symbol_and_inline_clones): Adjust call to
        cgraph_edge::remove.
        * cgraphunit.c (walk_polymorphic_call_targets): Adjusted calls to
        make_direct and redirect_call_stmt_to_callee.
        * ipa-fnsummary.c (redirect_to_unreachable): Adjust calls to
        resolve_speculation and make_direct.
        * ipa-inline-transform.c (inline_transform): Adjust call to
        redirect_call_stmt_to_callee.
        (check_speculations_1):: Adjust call to resolve_speculation.
        * ipa-inline.c (resolve_noninline_speculation): Adjust call to
        resolve-speculation.
        (inline_small_functions): Adjust call to resolve_speculation.
        (ipa_inline): Likewise.
        * ipa-prop.c (ipa_make_edge_direct_to_target): Adjust call to
        make_direct.
        * ipa-visibility.c (function_and_variable_visibility): Make iteration
        safe with regards to edge removal, adjust calls to
        redirect_call_stmt_to_callee.
        * ipa.c (walk_polymorphic_call_targets): Adjust calls to make_direct
        and redirect_call_stmt_to_callee.
        * multiple_target.c (create_dispatcher_calls): Adjust call to
        redirect_call_stmt_to_callee
        (redirect_to_specific_clone): Likewise.
        * tree-cfgcleanup.c (delete_unreachable_blocks_update_callgraph):
        Adjust calls to cgraph_edge::remove.
        * tree-inline.c (copy_bb): Adjust call to set_call_stmt.
        (redirect_all_calls): Adjust call to redirect_call_stmt_to_callee.
        (expand_call_inline): Adjust call to cgraph_edge::remove.

2020-01-09  Martin Liska  <mliska@suse.cz>

        * params.opt: Set Optimization for
        param_max_speculative_devirt_maydefs.

2020-01-09  Martin Sebor  <msebor@redhat.com>

        PR middle-end/93200
        PR fortran/92956
        * builtins.c (compute_objsize): Avoid handling MEM_REFs of vector type.

2020-01-09  Martin Liska  <mliska@suse.cz>

        * auto-profile.c (auto_profile): Use opt_for_fn
        for a parameter.
        * ipa-cp.c (ipcp_lattice::add_value): Likewise.
        (propagate_vals_across_arith_jfunc): Likewise.
        (hint_time_bonus): Likewise.
        (incorporate_penalties): Likewise.
        (good_cloning_opportunity_p): Likewise.
        (perform_estimation_of_a_value): Likewise.
        (estimate_local_effects): Likewise.
        (ipcp_propagate_stage): Likewise.
        * ipa-fnsummary.c (decompose_param_expr): Likewise.
        (set_switch_stmt_execution_predicate): Likewise.
        (analyze_function_body): Likewise.
        * ipa-inline-analysis.c (offline_size): Likewise.
        * ipa-inline.c (early_inliner): Likewise.
        * ipa-prop.c (ipa_analyze_node): Likewise.
        (ipcp_transform_function): Likewise.
        * ipa-sra.c (process_scan_results): Likewise.
        (ipa_sra_summarize_function): Likewise.
        * params.opt: Rename ipcp-unit-growth to
        ipa-cp-unit-growth.  Add Optimization for various
        IPA-related parameters.

2020-01-09  Richard Biener  <rguenther@suse.de>

        PR middle-end/93054
        * gimplify.c (gimplify_expr): Deal with NOP definitions.

2020-01-09  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/93040
        * gimple-ssa-store-merging.c (find_bswap_or_nop): Raise search limit.

2020-01-09  Georg-Johann Lay  <avr@gjlay.de>

        * common/config/avr/avr-common.c (avr_option_optimization_table)
        [OPT_LEVELS_1_PLUS]: Set -fsplit-wide-types-early.

2020-01-09  Martin Liska  <mliska@suse.cz>

        * cgraphclones.c (symbol_table::materialize_all_clones):
        Use cgraph_node::dump_name.

2020-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR inline-asm/93202
        * config/riscv/riscv.c (riscv_print_operand_reloc): Use
        output_operand_lossage instead of gcc_unreachable.
        * doc/md.texi (riscv f constraint): Fix typo.

        PR target/93141
        * config/i386/i386.md (subv<mode>4): Use SWIDWI iterator instead of
        SWI.  Use <general_hilo_operand> instead of <general_operand>.  Use
        CONST_SCALAR_INT_P instead of CONST_INT_P.
        (*subv<mode>4_1): Rename to ...
        (subv<mode>4_1): ... this.
        (*subv<dwi>4_doubleword, *addv<dwi>4_doubleword_1): New
        define_insn_and_split patterns.
        (*subv<mode>4_overflow_1, *addv<mode>4_overflow_2): New define_insn
        patterns.

2020-01-08  David Malcolm  <dmalcolm@redhat.com>

        * vec.c (class selftest::count_dtor): New class.
        (selftest::test_auto_delete_vec): New test.
        (selftest::vec_c_tests): Call it.
        * vec.h (class auto_delete_vec): New class template.
        (auto_delete_vec<T>::~auto_delete_vec): New dtor.

2020-01-08  David Malcolm  <dmalcolm@redhat.com>

        * sbitmap.h (auto_sbitmap): Add operator const_sbitmap.

2020-01-08  Jim Wilson  <jimw@sifive.com>

        * config/riscv/riscv.c (riscv_legitimize_tls_address): Ifdef out
        use of TLS_MODEL_LOCAL_EXEC when not pic.

2020-01-08  David Malcolm  <dmalcolm@redhat.com>

        * hash-map-tests.c (selftest::test_map_of_strings_to_int): Fix
        memory leak.

2020-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR target/93187
        * config/i386/i386.md (*stack_protect_set_2_<mode> peephole2,
        *stack_protect_set_3 peephole2): Also check that the second
        insns source is general_operand.

        PR target/93174
        * config/i386/i386.md (addcarry<mode>_0): Use nonimmediate_operand
        predicate for output operand instead of register_operand.
        (addcarry<mode>, addcarry<mode>_1): Likewise.  Add alternative with
        memory destination and non-memory operands[2].

2020-01-08  Martin Liska  <mliska@suse.cz>

        * cgraph.c (cgraph_node::dump): Use ::dump_name or
        ::dump_asm_name instead of (::name or ::asm_name).
        * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
        * cgraphunit.c (walk_polymorphic_call_targets): Likewise.
        (analyze_functions): Likewise.
        (expand_all_functions): Likewise.
        * ipa-cp.c (ipcp_cloning_candidate_p): Likewise.
        (propagate_bits_across_jump_function): Likewise.
        (dump_profile_updates): Likewise.
        (ipcp_store_bits_results): Likewise.
        (ipcp_store_vr_results): Likewise.
        * ipa-devirt.c (dump_targets): Likewise.
        * ipa-fnsummary.c (analyze_function_body): Likewise.
        * ipa-hsa.c (check_warn_node_versionable): Likewise.
        (process_hsa_functions): Likewise.
        * ipa-icf.c (sem_item_optimizer::merge_classes): Likewise.
        (set_alias_uids): Likewise.
        * ipa-inline-transform.c (save_inline_function_body): Likewise.
        * ipa-inline.c (recursive_inlining): Likewise.
        (inline_to_all_callers_1): Likewise.
        (ipa_inline): Likewise.
        * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
        (ipa_propagate_frequency): Likewise.
        * ipa-prop.c (ipa_make_edge_direct_to_target): Likewise.
        (remove_described_reference): Likewise.
        * ipa-pure-const.c (worse_state): Likewise.
        (check_retval_uses): Likewise.
        (analyze_function): Likewise.
        (propagate_pure_const): Likewise.
        (propagate_nothrow): Likewise.
        (dump_malloc_lattice): Likewise.
        (propagate_malloc): Likewise.
        (pass_local_pure_const::execute): Likewise.
        * ipa-visibility.c (optimize_weakref): Likewise.
        (function_and_variable_visibility): Likewise.
        * ipa.c (symbol_table::remove_unreachable_nodes): Likewise.
        (ipa_discover_variable_flags): Likewise.
        * lto-streamer-out.c (output_function): Likewise.
        (output_constructor): Likewise.
        * tree-inline.c (copy_bb): Likewise.
        * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
        * varpool.c (symbol_table::remove_unreferenced_decls): Likewise.

2020-01-08  Richard Biener  <rguenther@suse.de>

        PR middle-end/93199
        * tree-eh.c (sink_clobbers): Update virtual operands for
        the first and last stmt only.  Add a dry-run capability.
        (pass_lower_eh_dispatch::execute): Perform clobber sinking
        after CFG manipulations and in RPO order to catch all
        secondary opportunities reliably.

2020-01-08  Georg-Johann Lay  <avr@gjlay.de>

        PR target/93182
        * doc/invoke.texi (AVR Options) <-nodevicespecs>: Document.

2019-01-08  Richard Biener  <rguenther@suse.de>

        PR middle-end/93199
        * gimple-fold.c (rewrite_to_defined_overflow): Mark stmt modified.
        * tree-ssa-loop-im.c (move_computations_worker): Properly adjust
        virtual operand, also updating SSA use.
        * gimple-loop-interchange.cc (loop_cand::undo_simple_reduction):
        Update stmt after resetting virtual operand.
        (tree_loop_interchange::move_code_to_inner_loop): Likewise.
        * gimple-iterator.c (gsi_remove): When not removing the stmt
        permanently do not delink immediate uses or mark the stmt modified.

2020-01-08  Martin Liska  <mliska@suse.cz>

        * ipa-fnsummary.c (dump_ipa_call_summary): Use symtab_node::dump_name.
        (ipa_call_context::estimate_size_and_time): Likewise.
        (inline_analyze_function): Likewise.

2020-01-08  Martin Liska  <mliska@suse.cz>

        * cgraph.c (cgraph_node::dump): Use systematically
        dump_asm_name.

2020-01-08  Georg-Johann Lay  <avr@gjlay.de>

        Add -nodevicespecs option for avr.

        PR target/93182
        * config/avr/avr.opt (-nodevicespecs): New driver option.
        * config/avr/driver-avr.c (avr_devicespecs_file): Only issue
        "-specs=device-specs/..." if that option is not set.
        * doc/invoke.texi (AVR Options) <-nodevicespecs>: Document.

2020-01-08  Georg-Johann Lay  <avr@gjlay.de>

        Implement 64-bit double functions for avr.

        PR target/92055
        * config.gcc (tm_defines) [target=avr]: Support --with-libf7,
        --with-double-comparison.
        * doc/install.texi: Document them.
        * config/avr/avr-c.c (avr_cpu_cpp_builtins)
        <WITH_LIBF7_LIBGCC, WITH_LIBF7_MATH, WITH_LIBF7_MATH_SYMBOLS>
        <WITH_DOUBLE_COMPARISON>: New built-in defines.
        * doc/invoke.texi (AVR Built-in Macros): Document them.
        * config/avr/avr-protos.h (avr_float_lib_compare_returns_bool): New.
        * config/avr/avr.c (avr_float_lib_compare_returns_bool): New function.
        * config/avr/avr.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): New macro.

2020-01-08  Richard Earnshaw  <rearnsha@arm.com>

        PR target/93188
        * config/arm/t-multilib (MULTILIB_MATCHES): Add rules to match
        armv7-a{+mp,+sec,+mp+sec} to appropriate armv7 multilib variants
        when only building rm-profile multilibs.

2020-01-08  Feng Xue  <fxue@os.amperecomputing.com>

        PR ipa/93084
        * ipa-cp.c (self_recursively_generated_p): Find matched aggregate
        lattice for a value to check.
        (propagate_vals_across_arith_jfunc): Add an assertion to ensure
        finite propagation in self-recursive scc.

2020-01-08  Luo Xiong Hu  <luoxhu@linux.ibm.com>

        * ipa-inline.c (caller_growth_limits): Restore the AND.

2020-01-07  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (VEC_1REG_INT_ALT): Delete iterator.
        (VEC_ALLREG_ALT): New iterator.
        (VEC_ALLREG_INT_MODE): New iterator.
        (VCMP_MODE): New iterator.
        (VCMP_MODE_INT): New iterator.
        (vec_cmpu<mode>di): Use VCMP_MODE_INT.
        (vec_cmp<u>v64qidi): New define_expand.
        (vec_cmp<mode>di_exec): Use VCMP_MODE.
        (vec_cmpu<mode>di_exec): New define_expand.
        (vec_cmp<u>v64qidi_exec): New define_expand.
        (vec_cmp<mode>di_dup): Use VCMP_MODE.
        (vec_cmp<mode>di_dup_exec): Use VCMP_MODE.
        (vcond<VEC_ALL1REG_MODE:mode><VEC_1REG_ALT:mode>): Rename ...
        (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>): ... to this.
        (vcond<VEC_ALL1REG_MODE:mode><VEC_1REG_ALT:mode>_exec): Rename ...
        (vcond<VEC_ALLREG_MODE:mode><VEC_ALLREG_ALT:mode>_exec): ... to this.
        (vcondu<VEC_ALL1REG_MODE:mode><VEC_1REG_INT_ALT:mode>): Rename ...
        (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>): ... to this.
        (vcondu<VEC_ALL1REG_MODE:mode><VEC_1REG_INT_ALT:mode>_exec): Rename ...
        (vcondu<VEC_ALLREG_MODE:mode><VEC_ALLREG_INT_MODE:mode>_exec): ... to
        this.
        * config/gcn/gcn.c (print_operand): Fix 8 and 16 bit suffixes.
        * config/gcn/gcn.md (expander): Add sign_extend and zero_extend.

2020-01-07  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/constraints.md (DA): Update description and match.
        (DB): Likewise.
        (Db): New constraint.
        * config/gcn/gcn-protos.h (gcn_inline_constant64_p): Add second
        parameter.
        * config/gcn/gcn.c (gcn_inline_constant64_p): Add 'mixed' parameter.
        Implement 'Db' mixed immediate type.
        * config/gcn/gcn-valu.md (addcv64si3<exec_vcc>): Rework constraints.
        (addcv64si3_dup<exec_vcc>): Delete.
        (subcv64si3<exec_vcc>): Rework constraints.
        (addv64di3): Rework constraints.
        (addv64di3_exec): Rework constraints.
        (subv64di3): Rework constraints.
        (addv64di3_dup): Delete.
        (addv64di3_dup_exec): Delete.
        (addv64di3_zext): Rework constraints.
        (addv64di3_zext_exec): Rework constraints.
        (addv64di3_zext_dup): Rework constraints.
        (addv64di3_zext_dup_exec): Rework constraints.
        (addv64di3_zext_dup2): Rework constraints.
        (addv64di3_zext_dup2_exec): Rework constraints.
        (addv64di3_sext_dup2): Rework constraints.
        (addv64di3_sext_dup2_exec): Rework constraints.

2020-01-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>

        * doc/sourcebuild.texi (arm_little_endian, arm_nothumb): Documented
        existing target checks.

2020-01-07  Richard Biener  <rguenther@suse.de>

        * doc/install.texi: Bump minimal supported MPC version.

2020-01-07  Richard Sandiford  <richard.sandiford@arm.com>

        * langhooks-def.h (lhd_simulate_enum_decl): Declare.
        (LANG_HOOKS_SIMULATE_ENUM_DECL): Use it.
        * langhooks.c: Include stor-layout.h.
        (lhd_simulate_enum_decl): New function.
        * config/aarch64/aarch64-sve-builtins.cc (init_builtins): Call
        handle_arm_sve_h for the LTO frontend.
        (register_vector_type): Cope with null returns from pushdecl.

2020-01-07  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-protos.h (aarch64_sve::svbool_type_p)
        (aarch64_sve::nvectors_if_data_type): Replace with...
        (aarch64_sve::builtin_type_p): ...this.
        * config/aarch64/aarch64-sve-builtins.cc: Include attribs.h.
        (find_vector_type): Delete.
        (add_sve_type_attribute): New function.
        (lookup_sve_type_attribute): Likewise.
        (register_builtin_types): Add an "SVE type" attribute to each type.
        (register_tuple_type): Likewise.
        (svbool_type_p, nvectors_if_data_type): Delete.
        (mangle_builtin_type): Use lookup_sve_type_attribute.
        (builtin_type_p): Likewise.  Add an overload that returns the
        number of constituent vector and predicate registers.
        * config/aarch64/aarch64.c (aarch64_sve_argument_p): Delete.
        (aarch64_returns_value_in_sve_regs_p): Use aarch64_sve::builtin_type_p
        instead of aarch64_sve_argument_p.
        (aarch64_takes_arguments_in_sve_regs_p): Likewise.
        (aarch64_pass_by_reference): Likewise.
        (aarch64_function_value_1): Likewise.
        (aarch64_return_in_memory): Likewise.
        (aarch64_layout_arg): Likewise.

2020-01-07  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/93156
        * tree-ssa-ccp.c (bit_value_binop): For x * x note that the second
        least significant bit is always clear.

        PR tree-optimization/93118
        * match.pd ((x >> c) << c -> x & (-1<<c)): Add nop_convert?.  Add new
        simplifier with two intermediate conversions.

2020-01-07  Martin Liska  <mliska@suse.cz>

        * params.opt: Add Optimization for various parameters.

2020-01-07  Martin Liska  <mliska@suse.cz>

        PR ipa/83411
        * doc/extend.texi: Explain cloning for target_clone
        attribute.

2020-01-07  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/92860
        * common.opt: Make in Optimization option
        as it is affected by -O0, which is an Optimization
        option.
        * tree-inline.c (tree_inlinable_function_p):
        Use opt_for_fn for warn_inline.
        (expand_call_inline): Likewise.

2020-01-07  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/92860
        * common.opt: Make flag_ree as optimization
        attribute. 

2020-01-07  Martin Liska  <mliska@suse.cz>

        PR optimization/92860
        * params.opt: Mark param_min_crossjump_insns with Optimization
        keyword.

2020-01-07  Luo Xiong Hu  <luoxhu@linux.ibm.com>

        * ipa-inline-analysis.c (estimate_growth): Fix typo.
        * ipa-inline.c (caller_growth_limits): Use OR instead of AND.

2020-01-06  Michael Meissner  <meissner@linux.ibm.com>

        * config/rs6000/rs6000.c (hard_reg_and_mode_to_addr_mask): New
        helper function to return the valid addressing formats for a given
        hard register and mode.
        (rs6000_adjust_vec_address): Call hard_reg_and_mode_to_addr_mask.

        * config/rs6000/constraints.md (Q constraint): Update
        documentation.
        * doc/md.texi (RS/6000 constraints): Update 'Q' cosntraint
        documentation.

        * config/rs6000/vsx.md (vsx_extract_<mode>_var, VSX_D iterator):
        Use 'Q' for doing vector extract from memory.
        (vsx_extract_v4sf_var): Use 'Q' for doing vector extract from
        memory.
        (vsx_extract_<mode>_var, VSX_EXTRACT_I iterator): Use 'Q' for
        doing vector extract from memory.
        (vsx_extract_<mode>_<VS_scalar>mode_var): Use 'Q' for doing vector
        extract from memory.

        * config/rs6000/rs6000.c (rs6000_adjust_vec_address): Add support
        for the offset being 34-bits when -mcpu=future is used.

2020-01-06  John David Anglin  <danglin@gcc.gnu.org>

        * config/pa/pa.md: Revert change to use ordered_comparison_operator
        instead of cmpib_comparison_operator in cmpib patterns.
        * config/pa/predicates.md (cmpib_comparison_operator): Revert removal
        of cmpib_comparison_operator.  Revise comment.

2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-vect-slp.c (vect_build_slp_tree_1): Require all shifts
        in an IFN_DIV_POW2 node to be equal.

2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>

        * tree-vect-stmts.c (vect_check_load_store_mask): Rename to...
        (vect_check_scalar_mask): ...this.
        (vectorizable_store, vectorizable_load): Update call accordingly.
        (vectorizable_call): Use vect_check_scalar_mask to check the mask
        argument in calls to conditional internal functions.

2020-01-06  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (subv64di3): Use separate alternatives for
        '0' matching inputs.
        (subv64di3_exec): Likewise.

2020-01-06  Bryan Stenson  <bryan@siliconvortex.com>

        * config/mips/mips.c (vr4130_align_insns): Fix typo.
        * doc/md.texi (movstr): Likewise.

2020-01-06  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn-valu.md (vec_extract<mode><scalar_mode>): Add early
        clobber.

2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/t-aarch64 ($(srcdir)/config/aarch64/aarch64-tune.md):
        Depend on...
        (s-aarch64-tune-md): ...this new stamp file.  Pipe the new contents
        to a temporary file and use move-if-change to update the real
        file where necessary.

2020-01-06  Richard Sandiford  <richard.sandiford@arm.com>

        * config/aarch64/aarch64-sve.md (@aarch64_sel_dup<mode>): Use Upl
        rather than Upa for CPY /M.

2020-01-06  Andrew Stubbs  <ams@codesourcery.com>

        * config/gcn/gcn.c (gcn_inline_constant_p): Allow 64 as an inline
        immediate.

2020-01-06  Martin Liska  <mliska@suse.cz>

    PR tree-optimization/92860
    * params.opt: Mark param_max_combine_insns with Optimization
    keyword. 

2020-01-05  Jakub Jelinek  <jakub@redhat.com>

        PR target/93141
        * config/i386/i386.md (SWIDWI): New mode iterator.
        (DWI, dwi): Add TImode variants.
        (addv<mode>4): Use SWIDWI iterator instead of SWI.  Use
        <general_hilo_operand> instead of <general_operand>.  Use
        CONST_SCALAR_INT_P instead of CONST_INT_P.
        (*addv<mode>4_1): Rename to ...
        (addv<mode>4_1): ... this.
        (QWI): New mode attribute.
        (*addv<dwi>4_doubleword, *addv<dwi>4_doubleword_1): New
        define_insn_and_split patterns.
        (*addv<mode>4_overflow_1, *addv<mode>4_overflow_2): New define_insn
        patterns.
        (uaddv<mode>4): Use SWIDWI iterator instead of SWI.  Use
        <general_hilo_operand> instead of <general_operand>.
        (*addcarry<mode>_1): New define_insn.
        (*add<dwi>3_doubleword_cc_overflow_1): New define_insn_and_split.

2020-01-03  Konstantin Kharlamov  <Hi-Angel@yandex.ru>

        * gdbinit.in (pr, prl, pt, pct, pgg, pgq, pgs, pge, pmz, pdd, pbs, pbm):
        Use "call" instead of "set".

2020-01-03  Martin Jambor  <mjambor@suse.cz>

        PR ipa/92917
        * ipa-cp.c (print_all_lattices): Skip functions without info.

2020-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR target/93089
        * config/i386/i386-options.c (ix86_simd_clone_adjust): If
        TARGET_PREFER_AVX128, use prefer-vector-width=256 for 'c' and 'd'
        simd clones.  If TARGET_PREFER_AVX256, use prefer-vector-width=512
        for 'e' simd clones.

        PR target/93089
        * config/i386/i386.opt (x_prefer_vector_width_type): Remove TargetSave
        entry.
        (mprefer-vector-width=): Add Save.
        * config/i386/i386-options.c (ix86_target_string): Add PVW argument, print
        -mprefer-vector-width= if non-zero.  Fix up -mfpmath= comment.
        (ix86_debug_options, ix86_function_specific_print): Adjust
        ix86_target_string callers.
        (ix86_valid_target_attribute_inner_p): Handle prefer-vector-width=.
        (ix86_valid_target_attribute_tree): Likewise.
        * config/i386/i386-options.h (ix86_target_string): Add PVW argument.
        * config/i386/i386-expand.c (ix86_expand_builtin): Adjust
        ix86_target_string caller.

        PR target/93110
        * config/i386/i386.md (abs<mode>2): Use expand_simple_binop instead of
        emitting ASHIFTRT, XOR and MINUS by hand.  Use gen_int_mode with QImode
        instead of gen_int_shift_amount + convert_modes.

        PR rtl-optimization/93088
        * loop-iv.c (find_single_def_src): Punt after looking through
        128 reg copies for regs with single definitions.  Move definitions
        to first uses.

2020-01-02  Dennis Zhang  <dennis.zhang@arm.com>

        * config/arm/arm-c.c (arm_cpu_builtins): Define
        __ARM_FEATURE_MATMUL_INT8, __ARM_FEATURE_BF16_VECTOR_ARITHMETIC,
        __ARM_FEATURE_BF16_SCALAR_ARITHMETIC, and
        __ARM_BF16_FORMAT_ALTERNATIVE when enabled.
        * config/arm/arm-cpus.in (armv8_6, i8mm, bf16): New features.
        * config/arm/arm-tables.opt: Regenerated.
        * config/arm/arm.c (arm_option_reconfigure_globals): Initialize
        arm_arch_i8mm and arm_arch_bf16 when enabled.
        * config/arm/arm.h (TARGET_I8MM): New macro.
        (TARGET_BF16_FP, TARGET_BF16_SIMD): Likewise.
        * config/arm/t-aprofile: Add matching rules for -march=armv8.6-a.
        * config/arm/t-arm-elf (all_v8_archs): Add armv8.6-a.
        * config/arm/t-multilib: Add matching rules for -march=armv8.6-a.
        (v8_6_a_simd_variants): New.
        (v8_*_a_simd_variants): Add i8mm and bf16.
        * doc/invoke.texi (armv8.6-a, i8mm, bf16): Document new options.

2020-01-02  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/93087
        * predict.c (compute_function_frequency): Don't call
        warn_function_cold on functions that already have cold attribute.

2020-01-01  John David Anglin  <danglin@gcc.gnu.org>

        PR target/67834
        * config/pa/pa.c (pa_elf_select_rtx_section): New.  Put references to
        COMDAT group function labels in .data.rel.ro.local section.
        * config/pa/pa32-linux.h (TARGET_ASM_SELECT_RTX_SECTION): Define.

        PR target/93111
        * config/pa/pa.md (scc): Use ordered_comparison_operator instead of
        comparison_operator in B and S integer comparisons.  Likewise, use
        ordered_comparison_operator instead of cmpib_comparison_operator in
        cmpib patterns.
        * config/pa/predicates.md (cmpib_comparison_operator): Remove.

2020-01-01  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.

2020-01-01  Jan Hubicka  <hubicka@ucw.cz>

        * ipa.c (walk_polymorphic_call_targets): Fix updating of overall
        summary.

2020-01-01  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/93098
        * match.pd (popcount): For shift amounts, use integer_onep
        or wi::to_widest () == cst instead of tree_to_uhwi () == cst
        tests.  Make sure that precision is power of two larger than or equal
        to 16.  Ensure shift is never negative.  Use HOST_WIDE_INT_UC macro
        instead of ULL suffixed constants.  Formatting fixes.
\f
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