src/hotspot/cpu/riscv/riscv_v.ad

//
// Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
// Copyright (c) 2020, Arm Limited. All rights reserved.
// Copyright (c) 2020, 2022, Huawei Technologies Co., Ltd. All rights reserved.
// DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
//
// This code is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License version 2 only, as
// published by the Free Software Foundation.
//
// This code is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// version 2 for more details (a copy is included in the LICENSE file that
// accompanied this code).
//
// You should have received a copy of the GNU General Public License version
// 2 along with this work; if not, write to the Free Software Foundation,
// Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
//
// Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
// or visit www.oracle.com if you need additional information or have any
// questions.
//
//

// RISCV Vector Extension Architecture Description File

opclass vmemA(indirect);

source %{

  static void loadStore(C2_MacroAssembler masm, bool is_store,
                        VectorRegister reg, BasicType bt, Register base,
                        int vector_length, Assembler::VectorMask vm = Assembler::unmasked) {
    Assembler::SEW sew = Assembler::elemtype_to_sew(bt);
    masm.vsetvli_helper(bt, vector_length);

    if (is_store) {
      masm.vsex_v(reg, base, sew, vm);
    } else {
      if (vm == Assembler::v0_t) {
        masm.vxor_vv(reg, reg, reg);
      }
      masm.vlex_v(reg, base, sew, vm);
    }
  }

  const bool Matcher::match_rule_supported_superword(int opcode, int vlen, BasicType bt) {
    return match_rule_supported_vector(opcode, vlen, bt);
  }

  // Identify extra cases that we might want to provide match rules for vector nodes
  // and other intrinsics guarded with vector length (vlen) and element type (bt).
  const bool Matcher::match_rule_supported_vector(int opcode, int vlen, BasicType bt) {
    if (!UseRVV) {
      return false;
    }

    if (!match_rule_supported(opcode) || !vector_size_supported(bt, vlen)) {
      return false;
    }

    switch (opcode) {
      case Op_VectorMaskLastTrue:
        if (!UseZbb || vlen > XLEN) {
          return false;
        }
        break;
      case Op_VectorMaskToLong:
      case Op_VectorLongToMask:
        if (vlen > XLEN) {
          return false;
        }
        break;
      default:
        break;
    }
    return true;
  }

  const bool Matcher::match_rule_supported_vector_masked(int opcode, int vlen, BasicType bt) {
    if (!UseRVV) {
      return false;
    }
    return match_rule_supported_vector(opcode, vlen, bt);
  }

  const bool Matcher::vector_needs_partial_operations(Node* node, const TypeVect* vt) {
    return false;
  }

%}

definitions %{
  int_def VEC_COST             (200, 200);
%}

// All VEC instructions

// vector load/store
instruct loadV(vReg dst, vmemA mem) %{
  match(Set dst (LoadVector mem));
  ins_cost(VEC_COST);
  format %{ "loadV $dst, $mem\t# vector (rvv)" %}
  ins_encode %{
    VectorRegister dst_reg = as_VectorRegister($dst$$reg);
    loadStore(C2_MacroAssembler(&cbuf), false, dst_reg,
              Matcher::vector_element_basic_type(this), as_Register($mem$$base), Matcher::vector_length(this));
  %}
  ins_pipe(pipe_slow);
%}

instruct storeV(vReg src, vmemA mem) %{
  match(Set mem (StoreVector mem src));
  ins_cost(VEC_COST);
  format %{ "storeV $mem, $src\t# vector (rvv)" %}
  ins_encode %{
    VectorRegister src_reg = as_VectorRegister($src$$reg);
    loadStore(C2_MacroAssembler(&cbuf), true, src_reg,
              Matcher::vector_element_basic_type(this, $src), as_Register($mem$$base), Matcher::vector_length(this, $src));
  %}
  ins_pipe(pipe_slow);
%}

// vector load mask

instruct vloadmask(vRegMask dst, vReg src) %{
  match(Set dst (VectorLoadMask src));
  format %{ "vloadmask $dst, $src" %}
  ins_encode %{
    __ vsetvli_helper(T_BOOLEAN, Matcher::vector_length(this));
    __ vmsne_vx(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), zr);
  %}
  ins_pipe(pipe_slow);
%}

instruct vloadmask_masked(vRegMask dst, vReg src, vRegMask_V0 v0) %{
  match(Set dst (VectorLoadMask src v0));
  format %{ "vloadmask_masked $dst, $src, $v0" %}
  ins_encode %{
    __ vsetvli_helper(T_BOOLEAN, Matcher::vector_length(this));
    __ vmsne_vx(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), zr, Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector store mask

instruct vstoremask(vReg dst, vRegMask_V0 v0, immI size) %{
  match(Set dst (VectorStoreMask v0 size));
  format %{ "vstoremask $dst, V0 # elem size is $size byte[s]" %}
  ins_encode %{
    __ vsetvli_helper(T_BOOLEAN, Matcher::vector_length(this));
    __ vxor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg));
    __ vmerge_vim(as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg), 1);
  %}
  ins_pipe(pipe_slow);
%}

// vector mask compare

instruct vmaskcmp(vRegMask dst, vReg src1, vReg src2, immI cond) %{
  predicate(Matcher::vector_element_basic_type(n) == T_BYTE ||
            Matcher::vector_element_basic_type(n) == T_SHORT ||
            Matcher::vector_element_basic_type(n) == T_INT ||
            Matcher::vector_element_basic_type(n) == T_LONG);
  match(Set dst (VectorMaskCmp (Binary src1 src2) cond));
  format %{ "vmaskcmp $dst, $src1, $src2, $cond" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    uint vector_length = Matcher::vector_length(this);
    __ compare_integral_v(as_VectorRegister($dst$$reg),
                          as_VectorRegister($src1$$reg), as_VectorRegister($src2$$reg),
                          (int)($cond$$constant), bt, vector_length);
  %}
  ins_pipe(pipe_slow);
%}

instruct vmaskcmp_masked(vRegMask dst, vReg src1, vReg src2, immI cond, vRegMask_V0 v0) %{
  predicate(Matcher::vector_element_basic_type(n) == T_BYTE ||
            Matcher::vector_element_basic_type(n) == T_SHORT ||
            Matcher::vector_element_basic_type(n) == T_INT ||
            Matcher::vector_element_basic_type(n) == T_LONG);
  match(Set dst (VectorMaskCmp (Binary src1 src2) (Binary cond v0)));
  effect(TEMP_DEF dst);
  format %{ "vmaskcmp_masked $dst, $src1, $src2, $cond, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    uint vector_length = Matcher::vector_length(this);
    __ compare_integral_v(as_VectorRegister($dst$$reg),
                          as_VectorRegister($src1$$reg), as_VectorRegister($src2$$reg),
                          (int)($cond$$constant), bt, vector_length, Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector mask float compare

instruct vmaskcmp_fp(vRegMask dst, vReg src1, vReg src2, immI cond) %{
  predicate(Matcher::vector_element_basic_type(n) == T_FLOAT ||
            Matcher::vector_element_basic_type(n) == T_DOUBLE);
  match(Set dst (VectorMaskCmp (Binary src1 src2) cond));
  effect(TEMP_DEF dst);
  format %{ "vmaskcmp_fp $dst, $src1, $src2, $cond" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    uint vector_length = Matcher::vector_length(this);
    __ compare_fp_v(as_VectorRegister($dst$$reg),
                    as_VectorRegister($src1$$reg), as_VectorRegister($src2$$reg),
                    (int)($cond$$constant), bt, vector_length);
  %}
  ins_pipe(pipe_slow);
%}

instruct vmaskcmp_fp_masked(vRegMask dst, vReg src1, vReg src2, immI cond, vRegMask_V0 v0) %{
  predicate(Matcher::vector_element_basic_type(n) == T_FLOAT ||
            Matcher::vector_element_basic_type(n) == T_DOUBLE);
  match(Set dst (VectorMaskCmp (Binary src1 src2) (Binary cond v0)));
  effect(TEMP_DEF dst);
  format %{ "vmaskcmp_fp_masked $dst, $src1, $src2, $cond, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    uint vector_length = Matcher::vector_length(this);
    __ compare_fp_v(as_VectorRegister($dst$$reg),
                    as_VectorRegister($src1$$reg), as_VectorRegister($src2$$reg),
                    (int)($cond$$constant), bt, vector_length, Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector abs

instruct vabs(vReg dst, vReg src, vReg tmp) %{
  match(Set dst (AbsVB src));
  match(Set dst (AbsVS src));
  match(Set dst (AbsVI src));
  match(Set dst (AbsVL src));
  ins_cost(VEC_COST);
  effect(TEMP tmp);
  format %{ "vabs $dst, $src\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vrsub_vi(as_VectorRegister($tmp$$reg), as_VectorRegister($src$$reg), 0);
    __ vmax_vv(as_VectorRegister($dst$$reg), as_VectorRegister($tmp$$reg), as_VectorRegister($src$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vabs_fp(vReg dst, vReg src) %{
  match(Set dst (AbsVF src));
  match(Set dst (AbsVD src));
  ins_cost(VEC_COST);
  format %{ "vabs_fp $dst, $src" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfabs_v(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector abs - predicated

instruct vabs_masked(vReg dst_src, vRegMask_V0 v0, vReg tmp) %{
  match(Set dst_src (AbsVB dst_src v0));
  match(Set dst_src (AbsVS dst_src v0));
  match(Set dst_src (AbsVI dst_src v0));
  match(Set dst_src (AbsVL dst_src v0));
  ins_cost(VEC_COST);
  effect(TEMP tmp);
  format %{ "vabs_masked $dst_src, $dst_src, $v0\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vrsub_vi(as_VectorRegister($tmp$$reg), as_VectorRegister($dst_src$$reg), 0,
                Assembler::v0_t);
    __ vmax_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($tmp$$reg),
               as_VectorRegister($dst_src$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vabs_fp_masked(vReg dst_src, vRegMask_V0 v0) %{
  match(Set dst_src (AbsVF dst_src v0));
  match(Set dst_src (AbsVD dst_src v0));
  ins_cost(VEC_COST);
  format %{ "vabs_fp_masked $dst_src, $dst_src, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfabs_v(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector add

instruct vadd(vReg dst, vReg src1, vReg src2) %{
  match(Set dst (AddVB src1 src2));
  match(Set dst (AddVS src1 src2));
  match(Set dst (AddVI src1 src2));
  match(Set dst (AddVL src1 src2));
  ins_cost(VEC_COST);
  format %{ "vadd $dst, $src1, $src2" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vadd_vv(as_VectorRegister($dst$$reg),
               as_VectorRegister($src1$$reg),
               as_VectorRegister($src2$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vadd_fp(vReg dst, vReg src1, vReg src2) %{
  match(Set dst (AddVF src1 src2));
  match(Set dst (AddVD src1 src2));
  ins_cost(VEC_COST);
  format %{ "vadd_fp $dst, $src1, $src2" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfadd_vv(as_VectorRegister($dst$$reg),
                as_VectorRegister($src1$$reg),
                as_VectorRegister($src2$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector add - predicated

instruct vadd_masked(vReg dst_src1, vReg src2, vRegMask_V0 v0) %{
  match(Set dst_src1 (AddVB (Binary dst_src1 src2) v0));
  match(Set dst_src1 (AddVS (Binary dst_src1 src2) v0));
  match(Set dst_src1 (AddVI (Binary dst_src1 src2) v0));
  match(Set dst_src1 (AddVL (Binary dst_src1 src2) v0));
  ins_cost(VEC_COST);
  format %{ "vadd_masked $dst_src1, $dst_src1, $src2, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vadd_vv(as_VectorRegister($dst_src1$$reg),
               as_VectorRegister($dst_src1$$reg),
               as_VectorRegister($src2$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vadd_fp_masked(vReg dst_src1, vReg src2, vRegMask_V0 v0) %{
  match(Set dst_src1 (AddVF (Binary dst_src1 src2) v0));
  match(Set dst_src1 (AddVD (Binary dst_src1 src2) v0));
  ins_cost(VEC_COST);
  format %{ "vadd_fp_masked $dst_src1, $dst_src1, $src2, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfadd_vv(as_VectorRegister($dst_src1$$reg),
                as_VectorRegister($dst_src1$$reg),
                as_VectorRegister($src2$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector sub

instruct vsub(vReg dst, vReg src1, vReg src2) %{
  match(Set dst (SubVB src1 src2));
  match(Set dst (SubVS src1 src2));
  match(Set dst (SubVI src1 src2));
  match(Set dst (SubVL src1 src2));
  ins_cost(VEC_COST);
  format %{ "vsub $dst, $src1, $src2" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vsub_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src1$$reg),
               as_VectorRegister($src2$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vsub_fp(vReg dst, vReg src1, vReg src2) %{
  match(Set dst (SubVF src1 src2));
  match(Set dst (SubVD src1 src2));
  ins_cost(VEC_COST);
  format %{ "vsub_fp $dst, $src1, $src2" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfsub_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src1$$reg),
                as_VectorRegister($src2$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector sub - predicated

instruct vsub_masked(vReg dst_src1, vReg src2, vRegMask_V0 v0) %{
  match(Set dst_src1 (SubVB (Binary dst_src1 src2) v0));
  match(Set dst_src1 (SubVS (Binary dst_src1 src2) v0));
  match(Set dst_src1 (SubVI (Binary dst_src1 src2) v0));
  match(Set dst_src1 (SubVL (Binary dst_src1 src2) v0));
  ins_cost(VEC_COST);
  format %{ "vsub_masked $dst_src1, $dst_src1, $src2, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vsub_vv(as_VectorRegister($dst_src1$$reg), as_VectorRegister($dst_src1$$reg),
               as_VectorRegister($src2$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vsub_fp_masked(vReg dst_src1, vReg src2, vRegMask_V0 v0) %{
  match(Set dst_src1 (SubVF (Binary dst_src1 src2) v0));
  match(Set dst_src1 (SubVD (Binary dst_src1 src2) v0));
  ins_cost(VEC_COST);
  format %{ "vsub_fp_masked $dst_src1, $dst_src1, $src2, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfsub_vv(as_VectorRegister($dst_src1$$reg), as_VectorRegister($dst_src1$$reg),
                as_VectorRegister($src2$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector and

instruct vand(vReg dst, vReg src1, vReg src2) %{
  match(Set dst (AndV src1 src2));
  ins_cost(VEC_COST);
  format %{ "vand $dst, $src1, $src2" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vand_vv(as_VectorRegister($dst$$reg),
               as_VectorRegister($src1$$reg),
               as_VectorRegister($src2$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector and - predicated

instruct vand_masked(vReg dst_src1, vReg src2, vRegMask_V0 v0) %{
  match(Set dst_src1 (AndV (Binary dst_src1 src2) v0));
  ins_cost(VEC_COST);
  format %{ "vand_masked $dst_src1, $dst_src1, $src2, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vand_vv(as_VectorRegister($dst_src1$$reg),
               as_VectorRegister($dst_src1$$reg),
               as_VectorRegister($src2$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector or

instruct vor(vReg dst, vReg src1, vReg src2) %{
  match(Set dst (OrV src1 src2));
  ins_cost(VEC_COST);
  format %{ "vor $dst, $src1, $src2" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vor_vv(as_VectorRegister($dst$$reg),
              as_VectorRegister($src1$$reg),
              as_VectorRegister($src2$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector or - predicated

instruct vor_masked(vReg dst_src1, vReg src2, vRegMask_V0 v0) %{
  match(Set dst_src1 (OrV (Binary dst_src1 src2) v0));
  ins_cost(VEC_COST);
  format %{ "vor_masked $dst_src1, $dst_src1, $src2, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vor_vv(as_VectorRegister($dst_src1$$reg),
              as_VectorRegister($dst_src1$$reg),
              as_VectorRegister($src2$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector xor

instruct vxor(vReg dst, vReg src1, vReg src2) %{
  match(Set dst (XorV src1 src2));
  ins_cost(VEC_COST);
  format %{ "vxor $dst, $src1, $src2" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vxor_vv(as_VectorRegister($dst$$reg),
               as_VectorRegister($src1$$reg),
               as_VectorRegister($src2$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector xor - predicated

instruct vxor_masked(vReg dst_src1, vReg src2, vRegMask_V0 v0) %{
  match(Set dst_src1 (XorV (Binary dst_src1 src2) v0));
  ins_cost(VEC_COST);
  format %{ "vxor_masked $dst_src1, $dst_src1, $src2, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vxor_vv(as_VectorRegister($dst_src1$$reg),
               as_VectorRegister($dst_src1$$reg),
               as_VectorRegister($src2$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector float div

instruct vdiv_fp(vReg dst, vReg src1, vReg src2) %{
  match(Set dst (DivVF src1 src2));
  match(Set dst (DivVD src1 src2));
  ins_cost(VEC_COST);
  format %{ "vdiv_fp $dst, $src1, $src2" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfdiv_vv(as_VectorRegister($dst$$reg),
                as_VectorRegister($src1$$reg),
                as_VectorRegister($src2$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector float div - predicated

instruct vdiv_fp_masked(vReg dst_src1, vReg src2, vRegMask_V0 v0) %{
  match(Set dst_src1 (DivVF (Binary dst_src1 src2) v0));
  match(Set dst_src1 (DivVD (Binary dst_src1 src2) v0));
  ins_cost(VEC_COST);
  format %{ "vdiv_fp_masked $dst_src1, $dst_src1, $src2, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfdiv_vv(as_VectorRegister($dst_src1$$reg),
                as_VectorRegister($dst_src1$$reg),
                as_VectorRegister($src2$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector integer max/min

instruct vmax(vReg dst, vReg src1, vReg src2) %{
  predicate(Matcher::vector_element_basic_type(n) != T_FLOAT &&
            Matcher::vector_element_basic_type(n) != T_DOUBLE);
  match(Set dst (MaxV src1 src2));
  ins_cost(VEC_COST);
  format %{ "vmax $dst, $src1, $src2" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vmax_vv(as_VectorRegister($dst$$reg),
               as_VectorRegister($src1$$reg), as_VectorRegister($src2$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vmin(vReg dst, vReg src1, vReg src2) %{
  predicate(Matcher::vector_element_basic_type(n) != T_FLOAT &&
            Matcher::vector_element_basic_type(n) != T_DOUBLE);
  match(Set dst (MinV src1 src2));
  ins_cost(VEC_COST);
  format %{ "vmin $dst, $src1, $src2" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vmin_vv(as_VectorRegister($dst$$reg),
               as_VectorRegister($src1$$reg), as_VectorRegister($src2$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector integer max/min - predicated

instruct vmax_masked(vReg dst_src1, vReg src2, vRegMask_V0 v0) %{
  predicate(Matcher::vector_element_basic_type(n) != T_FLOAT &&
            Matcher::vector_element_basic_type(n) != T_DOUBLE);
  match(Set dst_src1 (MaxV (Binary dst_src1 src2) v0));
  ins_cost(VEC_COST);
  format %{ "vmax_masked $dst_src1, $dst_src1, $src2, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vmax_vv(as_VectorRegister($dst_src1$$reg), as_VectorRegister($dst_src1$$reg),
               as_VectorRegister($src2$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vmin_masked(vReg dst_src1, vReg src2, vRegMask_V0 v0) %{
  predicate(Matcher::vector_element_basic_type(n) != T_FLOAT &&
            Matcher::vector_element_basic_type(n) != T_DOUBLE);
  match(Set dst_src1 (MinV (Binary dst_src1 src2) v0));
  ins_cost(VEC_COST);
  format %{ "vmin_masked $dst_src1, $dst_src1, $src2, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vmin_vv(as_VectorRegister($dst_src1$$reg), as_VectorRegister($dst_src1$$reg),
               as_VectorRegister($src2$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector float-point max/min

instruct vmaxF(vReg dst, vReg src1, vReg src2, vRegMask_V0 v0) %{
  predicate(Matcher::vector_element_basic_type(n) == T_FLOAT);
  match(Set dst (MaxV src1 src2));
  effect(TEMP_DEF dst, TEMP v0);
  ins_cost(VEC_COST);
  format %{ "vmaxF $dst, $src1, $src2" %}
  ins_encode %{
    __ minmax_fp_v(as_VectorRegister($dst$$reg),
                   as_VectorRegister($src1$$reg), as_VectorRegister($src2$$reg),
                   false /* is_double */, false /* is_min */, Matcher::vector_length(this));
  %}
  ins_pipe(pipe_slow);
%}

instruct vmaxD(vReg dst, vReg src1, vReg src2, vRegMask_V0 v0) %{
  predicate(Matcher::vector_element_basic_type(n) == T_DOUBLE);
  match(Set dst (MaxV src1 src2));
  effect(TEMP_DEF dst, TEMP v0);
  ins_cost(VEC_COST);
  format %{ "vmaxD $dst, $src1, $src2" %}
  ins_encode %{
    __ minmax_fp_v(as_VectorRegister($dst$$reg),
                   as_VectorRegister($src1$$reg), as_VectorRegister($src2$$reg),
                   true /* is_double */, false /* is_min */, Matcher::vector_length(this));
  %}
  ins_pipe(pipe_slow);
%}

instruct vminF(vReg dst, vReg src1, vReg src2, vRegMask_V0 v0) %{
  predicate(Matcher::vector_element_basic_type(n) == T_FLOAT);
  match(Set dst (MinV src1 src2));
  effect(TEMP_DEF dst, TEMP v0);
  ins_cost(VEC_COST);
  format %{ "vminF $dst, $src1, $src2" %}
  ins_encode %{
    __ minmax_fp_v(as_VectorRegister($dst$$reg),
                   as_VectorRegister($src1$$reg), as_VectorRegister($src2$$reg),
                   false /* is_double */, true /* is_min */, Matcher::vector_length(this));
  %}
  ins_pipe(pipe_slow);
%}

instruct vminD(vReg dst, vReg src1, vReg src2, vRegMask_V0 v0) %{
  predicate(Matcher::vector_element_basic_type(n) == T_DOUBLE);
  match(Set dst (MinV src1 src2));
  effect(TEMP_DEF dst, TEMP v0);
  ins_cost(VEC_COST);
  format %{ "vminD $dst, $src1, $src2" %}
  ins_encode %{
    __ minmax_fp_v(as_VectorRegister($dst$$reg),
                   as_VectorRegister($src1$$reg), as_VectorRegister($src2$$reg),
                   true /* is_double */, true /* is_min */, Matcher::vector_length(this));
  %}
  ins_pipe(pipe_slow);
%}

// vector float-point max/min - predicated

instruct vmaxF_masked(vReg dst_src1, vReg src2, vRegMask vmask, vReg tmp1, vReg tmp2, vRegMask_V0 v0) %{
  predicate(Matcher::vector_element_basic_type(n) == T_FLOAT);
  match(Set dst_src1 (MaxV (Binary dst_src1 src2) vmask));
  effect(TEMP_DEF dst_src1, TEMP tmp1, TEMP tmp2, TEMP v0);
  ins_cost(VEC_COST);
  format %{ "vmaxF_masked $dst_src1, $dst_src1, $src2, $vmask\t# KILL $tmp1, $tmp2, $v0" %}
  ins_encode %{
    __ minmax_fp_masked_v(as_VectorRegister($dst_src1$$reg), as_VectorRegister($dst_src1$$reg),
                          as_VectorRegister($src2$$reg), as_VectorRegister($vmask$$reg),
                          as_VectorRegister($tmp1$$reg), as_VectorRegister($tmp2$$reg),
                          false /* is_double */, false /* is_min */, Matcher::vector_length(this));
  %}
  ins_pipe(pipe_slow);
%}

instruct vmaxD_masked(vReg dst_src1, vReg src2, vRegMask vmask, vReg tmp1, vReg tmp2, vRegMask_V0 v0) %{
  predicate(Matcher::vector_element_basic_type(n) == T_DOUBLE);
  match(Set dst_src1 (MaxV (Binary dst_src1 src2) vmask));
  effect(TEMP_DEF dst_src1, TEMP tmp1, TEMP tmp2, TEMP v0);
  ins_cost(VEC_COST);
  format %{ "vmaxD_masked $dst_src1, $dst_src1, $src2, $vmask\t# KILL $tmp1, $tmp2, $v0" %}
  ins_encode %{
    __ minmax_fp_masked_v(as_VectorRegister($dst_src1$$reg), as_VectorRegister($dst_src1$$reg),
                          as_VectorRegister($src2$$reg), as_VectorRegister($vmask$$reg),
                          as_VectorRegister($tmp1$$reg), as_VectorRegister($tmp2$$reg),
                          true /* is_double */, false /* is_min */, Matcher::vector_length(this));
  %}
  ins_pipe(pipe_slow);
%}

instruct vminF_masked(vReg dst_src1, vReg src2, vRegMask vmask, vReg tmp1, vReg tmp2, vRegMask_V0 v0) %{
  predicate(Matcher::vector_element_basic_type(n) == T_FLOAT);
  match(Set dst_src1 (MinV (Binary dst_src1 src2) vmask));
  effect(TEMP_DEF dst_src1, TEMP tmp1, TEMP tmp2, TEMP v0);
  ins_cost(VEC_COST);
  format %{ "vminF_masked $dst_src1, $dst_src1, $src2, $vmask\t# KILL $tmp1, $tmp2, $v0" %}
  ins_encode %{
    __ minmax_fp_masked_v(as_VectorRegister($dst_src1$$reg), as_VectorRegister($dst_src1$$reg),
                          as_VectorRegister($src2$$reg), as_VectorRegister($vmask$$reg),
                          as_VectorRegister($tmp1$$reg), as_VectorRegister($tmp2$$reg),
                          false /* is_double */, true /* is_min */, Matcher::vector_length(this));
  %}
  ins_pipe(pipe_slow);
%}

instruct vminD_masked(vReg dst_src1, vReg src2, vRegMask vmask, vReg tmp1, vReg tmp2, vRegMask_V0 v0) %{
  predicate(Matcher::vector_element_basic_type(n) == T_DOUBLE);
  match(Set dst_src1 (MinV (Binary dst_src1 src2) vmask));
  effect(TEMP_DEF dst_src1, TEMP tmp1, TEMP tmp2, TEMP v0);
  ins_cost(VEC_COST);
  format %{ "vminD_masked $dst_src1, $dst_src1, $src2, $vmask\t# KILL $tmp1, $tmp2, $v0" %}
  ins_encode %{
    __ minmax_fp_masked_v(as_VectorRegister($dst_src1$$reg), as_VectorRegister($dst_src1$$reg),
                          as_VectorRegister($src2$$reg), as_VectorRegister($vmask$$reg),
                          as_VectorRegister($tmp1$$reg), as_VectorRegister($tmp2$$reg),
                          true /* is_double */, true /* is_min */, Matcher::vector_length(this));
  %}
  ins_pipe(pipe_slow);
%}

// vector fmla

// dst_src1 = dst_src1 + src2 * src3
instruct vfmla(vReg dst_src1, vReg src2, vReg src3) %{
  predicate(UseFMA);
  match(Set dst_src1 (FmaVF dst_src1 (Binary src2 src3)));
  match(Set dst_src1 (FmaVD dst_src1 (Binary src2 src3)));
  ins_cost(VEC_COST);
  format %{ "vfmla $dst_src1, $dst_src1, $src2, $src3" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfmacc_vv(as_VectorRegister($dst_src1$$reg),
                 as_VectorRegister($src2$$reg), as_VectorRegister($src3$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector fmadd - predicated
// dst_src1 = dst_src1 * src2 + src3

instruct vfmadd_masked(vReg dst_src1, vReg src2, vReg src3, vRegMask_V0 v0) %{
  predicate(UseFMA);
  match(Set dst_src1 (FmaVF (Binary dst_src1 src2) (Binary src3 v0)));
  match(Set dst_src1 (FmaVD (Binary dst_src1 src2) (Binary src3 v0)));
  format %{ "vfmadd_masked $dst_src1, $dst_src1, $src2, $src3, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfmadd_vv(as_VectorRegister($dst_src1$$reg), as_VectorRegister($src2$$reg),
                 as_VectorRegister($src3$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector fmls

// dst_src1 = dst_src1 + -src2 * src3
// dst_src1 = dst_src1 + src2 * -src3
instruct vfmlsF(vReg dst_src1, vReg src2, vReg src3) %{
  predicate(UseFMA);
  match(Set dst_src1 (FmaVF dst_src1 (Binary (NegVF src2) src3)));
  match(Set dst_src1 (FmaVF dst_src1 (Binary src2 (NegVF src3))));
  ins_cost(VEC_COST);
  format %{ "vfmlsF $dst_src1, $dst_src1, $src2, $src3" %}
  ins_encode %{
    __ vsetvli_helper(T_FLOAT, Matcher::vector_length(this));
    __ vfnmsac_vv(as_VectorRegister($dst_src1$$reg),
                  as_VectorRegister($src2$$reg), as_VectorRegister($src3$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// dst_src1 = dst_src1 + -src2 * src3
// dst_src1 = dst_src1 + src2 * -src3
instruct vfmlsD(vReg dst_src1, vReg src2, vReg src3) %{
  predicate(UseFMA);
  match(Set dst_src1 (FmaVD dst_src1 (Binary (NegVD src2) src3)));
  match(Set dst_src1 (FmaVD dst_src1 (Binary src2 (NegVD src3))));
  ins_cost(VEC_COST);
  format %{ "vfmlsD $dst_src1, $dst_src1, $src2, $src3" %}
  ins_encode %{
    __ vsetvli_helper(T_DOUBLE, Matcher::vector_length(this));
    __ vfnmsac_vv(as_VectorRegister($dst_src1$$reg),
                  as_VectorRegister($src2$$reg), as_VectorRegister($src3$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector fnmsub - predicated

// dst_src1 = dst_src1 * -src2 + src3
instruct vfnmsub_masked(vReg dst_src1, vReg src2, vReg src3, vRegMask_V0 v0) %{
  predicate(UseFMA);
  match(Set dst_src1 (FmaVF (Binary dst_src1 (NegVF src2)) (Binary src3 v0)));
  match(Set dst_src1 (FmaVD (Binary dst_src1 (NegVD src2)) (Binary src3 v0)));
  format %{ "vfnmsub_masked $dst_src1, $dst_src1, $src2, $src3, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfnmsub_vv(as_VectorRegister($dst_src1$$reg), as_VectorRegister($src2$$reg),
                  as_VectorRegister($src3$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector fnmla

// dst_src1 = -dst_src1 + -src2 * src3
// dst_src1 = -dst_src1 + src2 * -src3
instruct vfnmlaF(vReg dst_src1, vReg src2, vReg src3) %{
  predicate(UseFMA);
  match(Set dst_src1 (FmaVF (NegVF dst_src1) (Binary (NegVF src2) src3)));
  match(Set dst_src1 (FmaVF (NegVF dst_src1) (Binary src2 (NegVF src3))));
  ins_cost(VEC_COST);
  format %{ "vfnmlaF $dst_src1, $dst_src1, $src2, $src3" %}
  ins_encode %{
    __ vsetvli_helper(T_FLOAT, Matcher::vector_length(this));
    __ vfnmacc_vv(as_VectorRegister($dst_src1$$reg),
                  as_VectorRegister($src2$$reg), as_VectorRegister($src3$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// dst_src1 = -dst_src1 + -src2 * src3
// dst_src1 = -dst_src1 + src2 * -src3
instruct vfnmlaD(vReg dst_src1, vReg src2, vReg src3) %{
  predicate(UseFMA);
  match(Set dst_src1 (FmaVD (NegVD dst_src1) (Binary (NegVD src2) src3)));
  match(Set dst_src1 (FmaVD (NegVD dst_src1) (Binary src2 (NegVD src3))));
  ins_cost(VEC_COST);
  format %{ "vfnmlaD $dst_src1, $dst_src1, $src2, $src3" %}
  ins_encode %{
    __ vsetvli_helper(T_DOUBLE, Matcher::vector_length(this));
    __ vfnmacc_vv(as_VectorRegister($dst_src1$$reg),
                  as_VectorRegister($src2$$reg), as_VectorRegister($src3$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector fnmadd - predicated

// dst_src1 = -src3 + dst_src1 * -src2
instruct vfnmadd_masked(vReg dst_src1, vReg src2, vReg src3, vRegMask_V0 v0) %{
  predicate(UseFMA);
  match(Set dst_src1 (FmaVF (Binary dst_src1 (NegVF src2)) (Binary (NegVF src3) v0)));
  match(Set dst_src1 (FmaVD (Binary dst_src1 (NegVD src2)) (Binary (NegVD src3) v0)));
  format %{ "vfnmadd_masked $dst_src1, $dst_src1, $src2, $src3, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfnmadd_vv(as_VectorRegister($dst_src1$$reg), as_VectorRegister($src2$$reg),
                  as_VectorRegister($src3$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector fnmls

// dst_src1 = -dst_src1 + src2 * src3
instruct vfnmlsF(vReg dst_src1, vReg src2, vReg src3) %{
  predicate(UseFMA);
  match(Set dst_src1 (FmaVF (NegVF dst_src1) (Binary src2 src3)));
  ins_cost(VEC_COST);
  format %{ "vfnmlsF $dst_src1, $dst_src1, $src2, $src3" %}
  ins_encode %{
    __ vsetvli_helper(T_FLOAT, Matcher::vector_length(this));
    __ vfmsac_vv(as_VectorRegister($dst_src1$$reg),
                 as_VectorRegister($src2$$reg), as_VectorRegister($src3$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// dst_src1 = -dst_src1 + src2 * src3
instruct vfnmlsD(vReg dst_src1, vReg src2, vReg src3) %{
  predicate(UseFMA);
  match(Set dst_src1 (FmaVD (NegVD dst_src1) (Binary src2 src3)));
  ins_cost(VEC_COST);
  format %{ "vfnmlsD $dst_src1, $dst_src1, $src2, $src3" %}
  ins_encode %{
    __ vsetvli_helper(T_DOUBLE, Matcher::vector_length(this));
    __ vfmsac_vv(as_VectorRegister($dst_src1$$reg),
                 as_VectorRegister($src2$$reg), as_VectorRegister($src3$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector vfmsub - predicated

// dst_src1 = -src3 + dst_src1 * src2
instruct vfmsub_masked(vReg dst_src1, vReg src2, vReg src3, vRegMask_V0 v0) %{
  predicate(UseFMA);
  match(Set dst_src1 (FmaVF (Binary dst_src1 src2) (Binary (NegVF src3) v0)));
  match(Set dst_src1 (FmaVD (Binary dst_src1 src2) (Binary (NegVD src3) v0)));
  format %{ "vfmsub_masked $dst_src1, $dst_src1, $src2, $src3, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfmsub_vv(as_VectorRegister($dst_src1$$reg), as_VectorRegister($src2$$reg),
                 as_VectorRegister($src3$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector mla

// dst_src1 = dst_src1 + src2 * src3
instruct vmla(vReg dst_src1, vReg src2, vReg src3) %{
  match(Set dst_src1 (AddVB dst_src1 (MulVB src2 src3)));
  match(Set dst_src1 (AddVS dst_src1 (MulVS src2 src3)));
  match(Set dst_src1 (AddVI dst_src1 (MulVI src2 src3)));
  match(Set dst_src1 (AddVL dst_src1 (MulVL src2 src3)));
  ins_cost(VEC_COST);
  format %{ "vmla $dst_src1, $dst_src1, $src2, $src3" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vmacc_vv(as_VectorRegister($dst_src1$$reg),
                as_VectorRegister($src2$$reg), as_VectorRegister($src3$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector mla - predicated

instruct vmla_masked(vReg dst_src1, vReg src2, vReg src3, vRegMask_V0 v0) %{
  match(Set dst_src1 (AddVB (Binary dst_src1 (MulVB src2 src3)) v0));
  match(Set dst_src1 (AddVS (Binary dst_src1 (MulVS src2 src3)) v0));
  match(Set dst_src1 (AddVI (Binary dst_src1 (MulVI src2 src3)) v0));
  match(Set dst_src1 (AddVL (Binary dst_src1 (MulVL src2 src3)) v0));
  format %{ "vmla_masked $dst_src1, $dst_src1, $src2, $src3, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vmacc_vv(as_VectorRegister($dst_src1$$reg), as_VectorRegister($src2$$reg),
                as_VectorRegister($src3$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector mls

// dst_src1 = dst_src1 - src2 * src3
instruct vmls(vReg dst_src1, vReg src2, vReg src3) %{
  match(Set dst_src1 (SubVB dst_src1 (MulVB src2 src3)));
  match(Set dst_src1 (SubVS dst_src1 (MulVS src2 src3)));
  match(Set dst_src1 (SubVI dst_src1 (MulVI src2 src3)));
  match(Set dst_src1 (SubVL dst_src1 (MulVL src2 src3)));
  ins_cost(VEC_COST);
  format %{ "vmls $dst_src1, $dst_src1, $src2, $src3" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vnmsac_vv(as_VectorRegister($dst_src1$$reg),
                 as_VectorRegister($src2$$reg), as_VectorRegister($src3$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector mls - predicated

instruct vmls_masked(vReg dst_src1, vReg src2, vReg src3, vRegMask_V0 v0) %{
  match(Set dst_src1 (SubVB (Binary dst_src1 (MulVB src2 src3)) v0));
  match(Set dst_src1 (SubVS (Binary dst_src1 (MulVS src2 src3)) v0));
  match(Set dst_src1 (SubVI (Binary dst_src1 (MulVI src2 src3)) v0));
  match(Set dst_src1 (SubVL (Binary dst_src1 (MulVL src2 src3)) v0));
  format %{ "vmls_masked $dst_src1, $dst_src1, $src2, $src3, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vnmsac_vv(as_VectorRegister($dst_src1$$reg), as_VectorRegister($src2$$reg),
                 as_VectorRegister($src3$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector mul

instruct vmul(vReg dst, vReg src1, vReg src2) %{
  match(Set dst (MulVB src1 src2));
  match(Set dst (MulVS src1 src2));
  match(Set dst (MulVI src1 src2));
  match(Set dst (MulVL src1 src2));
  ins_cost(VEC_COST);
  format %{ "vmul $dst, $src1, $src2" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vmul_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src1$$reg),
               as_VectorRegister($src2$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vmul_fp(vReg dst, vReg src1, vReg src2) %{
  match(Set dst (MulVF src1 src2));
  match(Set dst (MulVD src1 src2));
  ins_cost(VEC_COST);
  format %{ "vmul_fp $dst, $src1, $src2" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfmul_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src1$$reg),
                as_VectorRegister($src2$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector mul - predicated

instruct vmul_masked(vReg dst_src1, vReg src2, vRegMask_V0 v0) %{
  match(Set dst_src1 (MulVB (Binary dst_src1 src2) v0));
  match(Set dst_src1 (MulVS (Binary dst_src1 src2) v0));
  match(Set dst_src1 (MulVI (Binary dst_src1 src2) v0));
  match(Set dst_src1 (MulVL (Binary dst_src1 src2) v0));
  ins_cost(VEC_COST);
  format %{ "vmul_masked $dst_src1, $dst_src1, $src2, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vmul_vv(as_VectorRegister($dst_src1$$reg), as_VectorRegister($dst_src1$$reg),
               as_VectorRegister($src2$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vmul_fp_masked(vReg dst_src1, vReg src2, vRegMask_V0 v0) %{
  match(Set dst_src1 (MulVF (Binary dst_src1 src2) v0));
  match(Set dst_src1 (MulVD (Binary dst_src1 src2) v0));
  ins_cost(VEC_COST);
  format %{ "vmul_fp_masked $dst_src1, $dst_src1, $src2, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfmul_vv(as_VectorRegister($dst_src1$$reg), as_VectorRegister($dst_src1$$reg),
                as_VectorRegister($src2$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector neg

instruct vneg(vReg dst, vReg src) %{
  match(Set dst (NegVI src));
  match(Set dst (NegVL src));
  ins_cost(VEC_COST);
  format %{ "vneg $dst, $src" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vneg_v(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector neg - predicated

instruct vneg_masked(vReg dst_src, vRegMask_V0 v0) %{
  match(Set dst_src (NegVI dst_src v0));
  match(Set dst_src (NegVL dst_src v0));
  ins_cost(VEC_COST);
  format %{ "vneg_masked $dst_src, $dst_src, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vneg_v(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
              Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector fneg

instruct vfneg(vReg dst, vReg src) %{
  match(Set dst (NegVF src));
  match(Set dst (NegVD src));
  ins_cost(VEC_COST);
  format %{ "vfneg $dst, $src" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfneg_v(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector fneg  - predicated

instruct vfneg_masked(vReg dst_src, vRegMask_V0 v0) %{
  match(Set dst_src (NegVF dst_src v0));
  match(Set dst_src (NegVD dst_src v0));
  ins_cost(VEC_COST);
  format %{ "vfneg_masked $dst_src, $dst_src, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfneg_v(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
               Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector and reduction

instruct reduce_andI(iRegINoSp dst, iRegIorL2I src1, vReg src2, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_BYTE ||
            Matcher::vector_element_basic_type(n->in(2)) == T_SHORT ||
            Matcher::vector_element_basic_type(n->in(2)) == T_INT);
  match(Set dst (AndReductionV src1 src2));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_andI $dst, $src1, $src2\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2));
  %}
  ins_pipe(pipe_slow);
%}

instruct reduce_andL(iRegLNoSp dst, iRegL src1, vReg src2, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_LONG);
  match(Set dst (AndReductionV src1 src2));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_andL $dst, $src1, $src2\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2));
  %}
  ins_pipe(pipe_slow);
%}

// vector and reduction - predicated

instruct reduce_andI_masked(iRegINoSp dst, iRegIorL2I src1, vReg src2, vRegMask_V0 v0, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_BYTE ||
            Matcher::vector_element_basic_type(n->in(2)) == T_SHORT ||
            Matcher::vector_element_basic_type(n->in(2)) == T_INT);
  match(Set dst (AndReductionV (Binary src1 src2) v0));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_andI_masked $dst, $src1, $src2, $v0\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2),
                         Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct reduce_andL_masked(iRegLNoSp dst, iRegL src1, vReg src2, vRegMask_V0 v0, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_LONG);
  match(Set dst (AndReductionV (Binary src1 src2) v0));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_andL_masked $dst, $src1, $src2, $v0\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2),
                         Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector or reduction

instruct reduce_orI(iRegINoSp dst, iRegIorL2I src1, vReg src2, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_BYTE ||
            Matcher::vector_element_basic_type(n->in(2)) == T_SHORT ||
            Matcher::vector_element_basic_type(n->in(2)) == T_INT);
  match(Set dst (OrReductionV src1 src2));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_orI $dst, $src1, $src2\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2));
  %}
  ins_pipe(pipe_slow);
%}

instruct reduce_orL(iRegLNoSp dst, iRegL src1, vReg src2, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_LONG);
  match(Set dst (OrReductionV src1 src2));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_orL $dst, $src1, $src2\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2));
  %}
  ins_pipe(pipe_slow);
%}

// vector or reduction - predicated

instruct reduce_orI_masked(iRegINoSp dst, iRegIorL2I src1, vReg src2, vRegMask_V0 v0, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_BYTE ||
            Matcher::vector_element_basic_type(n->in(2)) == T_SHORT ||
            Matcher::vector_element_basic_type(n->in(2)) == T_INT);
  match(Set dst (OrReductionV (Binary src1 src2) v0));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_orI_masked $dst, $src1, $src2, $v0\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2),
                         Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct reduce_orL_masked(iRegLNoSp dst, iRegL src1, vReg src2, vRegMask_V0 v0, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_LONG);
  match(Set dst (OrReductionV (Binary src1 src2) v0));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_orL_masked $dst, $src1, $src2, $v0\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2),
                         Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector xor reduction

instruct reduce_xorI(iRegINoSp dst, iRegIorL2I src1, vReg src2, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_BYTE ||
            Matcher::vector_element_basic_type(n->in(2)) == T_SHORT ||
            Matcher::vector_element_basic_type(n->in(2)) == T_INT);
  match(Set dst (XorReductionV src1 src2));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_xorI $dst, $src1, $src2\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2));
  %}
  ins_pipe(pipe_slow);
%}

instruct reduce_xorL(iRegLNoSp dst, iRegL src1, vReg src2, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_LONG);
  match(Set dst (XorReductionV src1 src2));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_xorL $dst, $src1, $src2\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2));
  %}
  ins_pipe(pipe_slow);
%}

// vector xor reduction - predicated

instruct reduce_xorI_masked(iRegINoSp dst, iRegIorL2I src1, vReg src2, vRegMask_V0 v0, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_BYTE ||
            Matcher::vector_element_basic_type(n->in(2)) == T_SHORT ||
            Matcher::vector_element_basic_type(n->in(2)) == T_INT);
  match(Set dst (XorReductionV (Binary src1 src2) v0));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_xorI_masked $dst, $src1, $src2, $v0\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2),
                         Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct reduce_xorL_masked(iRegLNoSp dst, iRegL src1, vReg src2, vRegMask_V0 v0, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_LONG);
  match(Set dst (XorReductionV (Binary src1 src2) v0));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_xorL_masked $dst, $src1, $src2, $v0\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2),
                         Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector add reduction

instruct reduce_addI(iRegINoSp dst, iRegIorL2I src1, vReg src2, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_BYTE ||
            Matcher::vector_element_basic_type(n->in(2)) == T_SHORT ||
            Matcher::vector_element_basic_type(n->in(2)) == T_INT);
  match(Set dst (AddReductionVI src1 src2));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_addI $dst, $src1, $src2\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2));
  %}
  ins_pipe(pipe_slow);
%}

instruct reduce_addL(iRegLNoSp dst, iRegL src1, vReg src2, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_LONG);
  match(Set dst (AddReductionVL src1 src2));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_addL $dst, $src1, $src2\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2));
  %}
  ins_pipe(pipe_slow);
%}

instruct reduce_addF(fRegF dst, fRegF src1, vReg src2, vReg tmp) %{
  match(Set dst (AddReductionVF src1 src2));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_addF $dst, $src1, $src2\t# KILL $tmp" %}
  ins_encode %{
    __ vsetvli_helper(T_FLOAT, Matcher::vector_length(this, $src2));
    __ vfmv_s_f(as_VectorRegister($tmp$$reg), $src1$$FloatRegister);
    __ vfredosum_vs(as_VectorRegister($tmp$$reg), as_VectorRegister($src2$$reg),
                    as_VectorRegister($tmp$$reg));
    __ vfmv_f_s($dst$$FloatRegister, as_VectorRegister($tmp$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct reduce_addD(fRegD dst, fRegD src1, vReg src2, vReg tmp) %{
  match(Set dst (AddReductionVD src1 src2));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_addD $dst, $src1, $src2\t# KILL $tmp" %}
  ins_encode %{
    __ vsetvli_helper(T_DOUBLE, Matcher::vector_length(this, $src2));
    __ vfmv_s_f(as_VectorRegister($tmp$$reg), $src1$$FloatRegister);
    __ vfredosum_vs(as_VectorRegister($tmp$$reg), as_VectorRegister($src2$$reg),
                    as_VectorRegister($tmp$$reg));
    __ vfmv_f_s($dst$$FloatRegister, as_VectorRegister($tmp$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector add reduction - predicated

instruct reduce_addI_masked(iRegINoSp dst, iRegIorL2I src1, vReg src2, vRegMask_V0 v0, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_BYTE ||
            Matcher::vector_element_basic_type(n->in(2)) == T_SHORT ||
            Matcher::vector_element_basic_type(n->in(2)) == T_INT);
  match(Set dst (AddReductionVI (Binary src1 src2) v0));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_addI_masked $dst, $src1, $src2, $v0\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2),
                         Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct reduce_addL_masked(iRegLNoSp dst, iRegL src1, vReg src2, vRegMask_V0 v0, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_LONG);
  match(Set dst (AddReductionVL (Binary src1 src2) v0));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_addL_masked $dst, $src1, $src2, $v0\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2),
                         Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct reduce_addF_masked(fRegF dst, fRegF src1, vReg src2, vRegMask_V0 v0, vReg tmp) %{
  match(Set dst (AddReductionVF (Binary src1 src2) v0));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_addF_masked $dst, $src1, $src2, $v0\t# KILL $tmp" %}
  ins_encode %{
    __ vsetvli_helper(T_FLOAT, Matcher::vector_length(this, $src2));
    __ vfmv_s_f(as_VectorRegister($tmp$$reg), $src1$$FloatRegister);
    __ vfredosum_vs(as_VectorRegister($tmp$$reg), as_VectorRegister($src2$$reg),
                    as_VectorRegister($tmp$$reg), Assembler::v0_t);
    __ vfmv_f_s($dst$$FloatRegister, as_VectorRegister($tmp$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct reduce_addD_masked(fRegD dst, fRegD src1, vReg src2, vRegMask_V0 v0, vReg tmp) %{
  match(Set dst (AddReductionVD (Binary src1 src2) v0));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "reduce_addD_masked $dst, $src1, $src2, $v0\t# KILL $tmp" %}
  ins_encode %{
    __ vsetvli_helper(T_DOUBLE, Matcher::vector_length(this, $src2));
    __ vfmv_s_f(as_VectorRegister($tmp$$reg), $src1$$FloatRegister);
    __ vfredosum_vs(as_VectorRegister($tmp$$reg), as_VectorRegister($src2$$reg),
                    as_VectorRegister($tmp$$reg), Assembler::v0_t);
    __ vfmv_f_s($dst$$FloatRegister, as_VectorRegister($tmp$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector integer max reduction

instruct vreduce_maxI(iRegINoSp dst, iRegIorL2I src1, vReg src2, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_BYTE ||
            Matcher::vector_element_basic_type(n->in(2)) == T_SHORT ||
            Matcher::vector_element_basic_type(n->in(2)) == T_INT);
  match(Set dst (MaxReductionV src1 src2));
  ins_cost(VEC_COST);
  effect(TEMP tmp);
  format %{ "vreduce_maxI $dst, $src1, $src2\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2));
  %}
  ins_pipe(pipe_slow);
%}

instruct vreduce_maxL(iRegLNoSp dst, iRegL src1, vReg src2, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_LONG);
  match(Set dst (MaxReductionV src1 src2));
  ins_cost(VEC_COST);
  effect(TEMP tmp);
  format %{ "vreduce_maxL $dst, $src1, $src2\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2));
  %}
  ins_pipe(pipe_slow);
%}

// vector integer max reduction - predicated

instruct vreduce_maxI_masked(iRegINoSp dst, iRegIorL2I src1, vReg src2, vRegMask_V0 v0, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_BYTE ||
            Matcher::vector_element_basic_type(n->in(2)) == T_SHORT ||
            Matcher::vector_element_basic_type(n->in(2)) == T_INT);
  match(Set dst (MaxReductionV (Binary src1 src2) v0));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "vreduce_maxI_masked $dst, $src1, $src2, $v0\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2),
                         Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vreduce_maxL_masked(iRegLNoSp dst, iRegL src1, vReg src2, vRegMask_V0 v0, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_LONG);
  match(Set dst (MaxReductionV (Binary src1 src2) v0));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "vreduce_maxL_masked $dst, $src1, $src2, $v0\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2),
                         Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector integer min reduction

instruct vreduce_minI(iRegINoSp dst, iRegIorL2I src1, vReg src2, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_BYTE ||
            Matcher::vector_element_basic_type(n->in(2)) == T_SHORT ||
            Matcher::vector_element_basic_type(n->in(2)) == T_INT);
  match(Set dst (MinReductionV src1 src2));
  ins_cost(VEC_COST);
  effect(TEMP tmp);
  format %{ "vreduce_minI $dst, $src1, $src2\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2));
  %}
  ins_pipe(pipe_slow);
%}

instruct vreduce_minL(iRegLNoSp dst, iRegL src1, vReg src2, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_LONG);
  match(Set dst (MinReductionV src1 src2));
  ins_cost(VEC_COST);
  effect(TEMP tmp);
  format %{ "vreduce_minL $dst, $src1, $src2\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2));
  %}
  ins_pipe(pipe_slow);
%}

// vector integer min reduction - predicated

instruct vreduce_minI_masked(iRegINoSp dst, iRegIorL2I src1, vReg src2, vRegMask_V0 v0, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_BYTE ||
            Matcher::vector_element_basic_type(n->in(2)) == T_SHORT ||
            Matcher::vector_element_basic_type(n->in(2)) == T_INT);
  match(Set dst (MinReductionV (Binary src1 src2) v0));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "vreduce_minI_masked $dst, $src1, $src2, $v0\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2),
                         Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vreduce_minL_masked(iRegLNoSp dst, iRegL src1, vReg src2, vRegMask_V0 v0, vReg tmp) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_LONG);
  match(Set dst (MinReductionV (Binary src1 src2) v0));
  effect(TEMP tmp);
  ins_cost(VEC_COST);
  format %{ "vreduce_minL_masked $dst, $src1, $src2, $v0\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src2);
    __ reduce_integral_v($dst$$Register, $src1$$Register,
                         as_VectorRegister($src2$$reg), as_VectorRegister($tmp$$reg),
                         this->ideal_Opcode(), bt, Matcher::vector_length(this, $src2),
                         Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector float max reduction

instruct vreduce_maxF(fRegF dst, fRegF src1, vReg src2, vReg tmp1, vReg tmp2) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_FLOAT);
  match(Set dst (MaxReductionV src1 src2));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst, TEMP tmp1, TEMP tmp2);
  format %{ "vreduce_maxF $dst, $src1, $src2, $tmp1, $tmp2" %}
  ins_encode %{
    __ reduce_minmax_fp_v($dst$$FloatRegister,
                          $src1$$FloatRegister, as_VectorRegister($src2$$reg),
                          as_VectorRegister($tmp1$$reg), as_VectorRegister($tmp2$$reg),
                          false /* is_double */, false /* is_min */, Matcher::vector_length(this, $src2));
  %}
  ins_pipe(pipe_slow);
%}

instruct vreduce_maxD(fRegD dst, fRegD src1, vReg src2, vReg tmp1, vReg tmp2) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_DOUBLE);
  match(Set dst (MaxReductionV src1 src2));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst, TEMP tmp1, TEMP tmp2);
  format %{ "vreduce_maxD $dst, $src1, $src2, $tmp1, $tmp2" %}
  ins_encode %{
    __ reduce_minmax_fp_v($dst$$FloatRegister,
                          $src1$$FloatRegister, as_VectorRegister($src2$$reg),
                          as_VectorRegister($tmp1$$reg), as_VectorRegister($tmp2$$reg),
                          true /* is_double */, false /* is_min */, Matcher::vector_length(this, $src2));
  %}
  ins_pipe(pipe_slow);
%}

// vector float max reduction - predicated

instruct vreduce_maxF_masked(fRegF dst, fRegF src1, vReg src2, vRegMask_V0 v0, vReg tmp1, vReg tmp2) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_FLOAT);
  match(Set dst (MaxReductionV (Binary src1 src2) v0));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst, TEMP tmp1, TEMP tmp2);
  format %{ "vreduce_maxF_masked $dst, $src1, $src2, $v0\t# KILL $tmp1, $tmp2" %}
  ins_encode %{
    __ reduce_minmax_fp_v($dst$$FloatRegister,
                          $src1$$FloatRegister, as_VectorRegister($src2$$reg),
                          as_VectorRegister($tmp1$$reg), as_VectorRegister($tmp2$$reg),
                          false /* is_double */, false /* is_min */,
                          Matcher::vector_length(this, $src2), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vreduce_maxD_masked(fRegD dst, fRegD src1, vReg src2, vRegMask_V0 v0, vReg tmp1, vReg tmp2) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_DOUBLE);
  match(Set dst (MaxReductionV (Binary src1 src2) v0));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst, TEMP tmp1, TEMP tmp2);
  format %{ "vreduce_maxD_masked $dst, $src1, $src2, $v0\t# KILL $tmp1, $tmp2" %}
  ins_encode %{
    __ reduce_minmax_fp_v($dst$$FloatRegister,
                          $src1$$FloatRegister, as_VectorRegister($src2$$reg),
                          as_VectorRegister($tmp1$$reg), as_VectorRegister($tmp2$$reg),
                          true /* is_double */, false /* is_min */,
                          Matcher::vector_length(this, $src2), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector float min reduction

instruct vreduce_minF(fRegF dst, fRegF src1, vReg src2, vReg tmp1, vReg tmp2) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_FLOAT);
  match(Set dst (MinReductionV src1 src2));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst, TEMP tmp1, TEMP tmp2);
  format %{ "vreduce_minF $dst, $src1, $src2, $tmp1, $tmp2" %}
  ins_encode %{
    __ reduce_minmax_fp_v($dst$$FloatRegister,
                          $src1$$FloatRegister, as_VectorRegister($src2$$reg),
                          as_VectorRegister($tmp1$$reg), as_VectorRegister($tmp2$$reg),
                          false /* is_double */, true /* is_min */, Matcher::vector_length(this, $src2));
  %}
  ins_pipe(pipe_slow);
%}

instruct vreduce_minD(fRegD dst, fRegD src1, vReg src2, vReg tmp1, vReg tmp2) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_DOUBLE);
  match(Set dst (MinReductionV src1 src2));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst, TEMP tmp1, TEMP tmp2);
  format %{ "vreduce_minD $dst, $src1, $src2, $tmp1, $tmp2" %}
  ins_encode %{
    __ reduce_minmax_fp_v($dst$$FloatRegister,
                          $src1$$FloatRegister, as_VectorRegister($src2$$reg),
                          as_VectorRegister($tmp1$$reg), as_VectorRegister($tmp2$$reg),
                          true /* is_double */, true /* is_min */, Matcher::vector_length(this, $src2));
  %}
  ins_pipe(pipe_slow);
%}

// vector float min reduction - predicated

instruct vreduce_minF_masked(fRegF dst, fRegF src1, vReg src2, vRegMask_V0 v0, vReg tmp1, vReg tmp2) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_FLOAT);
  match(Set dst (MinReductionV (Binary src1 src2) v0));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst, TEMP tmp1, TEMP tmp2);
  format %{ "vreduce_minF_masked $dst, $src1, $src2, $v0\t# KILL $tmp1, $tmp2" %}
  ins_encode %{
    __ reduce_minmax_fp_v($dst$$FloatRegister,
                          $src1$$FloatRegister, as_VectorRegister($src2$$reg),
                          as_VectorRegister($tmp1$$reg), as_VectorRegister($tmp2$$reg),
                          false /* is_double */, true /* is_min */,
                          Matcher::vector_length(this, $src2), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vreduce_minD_masked(fRegD dst, fRegD src1, vReg src2, vRegMask_V0 v0, vReg tmp1, vReg tmp2) %{
  predicate(Matcher::vector_element_basic_type(n->in(2)) == T_DOUBLE);
  match(Set dst (MinReductionV (Binary src1 src2) v0));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst, TEMP tmp1, TEMP tmp2);
  format %{ "vreduce_minD_masked $dst, $src1, $src2, $v0\t# KILL $tmp1, $tmp2" %}
  ins_encode %{
    __ reduce_minmax_fp_v($dst$$FloatRegister,
                          $src1$$FloatRegister, as_VectorRegister($src2$$reg),
                          as_VectorRegister($tmp1$$reg), as_VectorRegister($tmp2$$reg),
                          true /* is_double */, true /* is_min */,
                          Matcher::vector_length(this, $src2), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector replicate

instruct replicate(vReg dst, iRegIorL2I src) %{
  match(Set dst (ReplicateB src));
  match(Set dst (ReplicateS src));
  match(Set dst (ReplicateI src));
  ins_cost(VEC_COST);
  format %{ "replicate $dst, $src" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vmv_v_x(as_VectorRegister($dst$$reg), as_Register($src$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct replicateL(vReg dst, iRegL src) %{
  match(Set dst (ReplicateL src));
  ins_cost(VEC_COST);
  format %{ "replicateL $dst, $src" %}
  ins_encode %{
    __ vsetvli_helper(T_LONG, Matcher::vector_length(this));
    __ vmv_v_x(as_VectorRegister($dst$$reg), as_Register($src$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct replicate_imm5(vReg dst, immI5 con) %{
  match(Set dst (ReplicateB con));
  match(Set dst (ReplicateS con));
  match(Set dst (ReplicateI con));
  ins_cost(VEC_COST);
  format %{ "replicate_imm5 $dst, $con" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length_in_bytes(this));
    __ vmv_v_i(as_VectorRegister($dst$$reg), $con$$constant);
  %}
  ins_pipe(pipe_slow);
%}

instruct replicateL_imm5(vReg dst, immL5 con) %{
  match(Set dst (ReplicateL con));
  ins_cost(VEC_COST);
  format %{ "replicateL_imm5 $dst, $con" %}
  ins_encode %{
    __ vsetvli_helper(T_LONG, Matcher::vector_length(this));
    __ vmv_v_i(as_VectorRegister($dst$$reg), $con$$constant);
  %}
  ins_pipe(pipe_slow);
%}

instruct replicateF(vReg dst, fRegF src) %{
  match(Set dst (ReplicateF src));
  ins_cost(VEC_COST);
  format %{ "replicateF $dst, $src" %}
  ins_encode %{
    __ vsetvli_helper(T_FLOAT, Matcher::vector_length(this));
    __ vfmv_v_f(as_VectorRegister($dst$$reg), $src$$FloatRegister);
  %}
  ins_pipe(pipe_slow);
%}

instruct replicateD(vReg dst, fRegD src) %{
  match(Set dst (ReplicateD src));
  ins_cost(VEC_COST);
  format %{ "replicateD $dst, $src" %}
  ins_encode %{
    __ vsetvli_helper(T_DOUBLE, Matcher::vector_length(this));
    __ vfmv_v_f(as_VectorRegister($dst$$reg), $src$$FloatRegister);
  %}
  ins_pipe(pipe_slow);
%}

// vector shift

instruct vasrB(vReg dst, vReg src, vReg shift, vRegMask_V0 v0) %{
  match(Set dst (RShiftVB src shift));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst, TEMP v0);
  format %{ "vasrB $dst, $src, $shift" %}
  ins_encode %{
    __ vsetvli_helper(T_BYTE, Matcher::vector_length(this));
    // if shift > BitsPerByte - 1, clear the low BitsPerByte - 1 bits
    __ vmsgtu_vi(as_VectorRegister($v0$$reg), as_VectorRegister($shift$$reg), BitsPerByte - 1);
    __ vsra_vi(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
               BitsPerByte - 1, Assembler::v0_t);
    // otherwise, shift
    __ vmnot_m(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg));
    __ vsra_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
               as_VectorRegister($shift$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vasrS(vReg dst, vReg src, vReg shift, vRegMask_V0 v0) %{
  match(Set dst (RShiftVS src shift));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst, TEMP v0);
  format %{ "vasrS $dst, $src, $shift" %}
  ins_encode %{
    __ vsetvli_helper(T_SHORT, Matcher::vector_length(this));
    // if shift > BitsPerShort - 1, clear the low BitsPerShort - 1 bits
    __ vmsgtu_vi(as_VectorRegister($v0$$reg), as_VectorRegister($shift$$reg), BitsPerShort - 1);
    __ vsra_vi(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
               BitsPerShort - 1, Assembler::v0_t);
    // otherwise, shift
    __ vmnot_m(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg));
    __ vsra_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
               as_VectorRegister($shift$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vasrI(vReg dst, vReg src, vReg shift) %{
  match(Set dst (RShiftVI src shift));
  ins_cost(VEC_COST);
  format %{ "vasrI $dst, $src, $shift" %}
  ins_encode %{
    __ vsetvli_helper(T_INT, Matcher::vector_length(this));
    __ vsra_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
               as_VectorRegister($shift$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vasrL(vReg dst, vReg src, vReg shift) %{
  match(Set dst (RShiftVL src shift));
  ins_cost(VEC_COST);
  format %{ "vasrL $dst, $src, $shift" %}
  ins_encode %{
    __ vsetvli_helper(T_LONG, Matcher::vector_length(this));
    __ vsra_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
               as_VectorRegister($shift$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vasrB_masked(vReg dst_src, vReg shift, vRegMask vmask, vRegMask_V0 v0) %{
  match(Set dst_src (RShiftVB (Binary dst_src shift) vmask));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst_src, TEMP v0);
  format %{ "vasrB_masked $dst_src, $dst_src, $shift, $vmask\t# KILL $v0" %}
  ins_encode %{
    __ vsetvli_helper(T_BYTE, Matcher::vector_length(this));
    __ vmsgtu_vi(as_VectorRegister($v0$$reg), as_VectorRegister($shift$$reg), BitsPerByte - 1);
    // if shift > BitsPerByte - 1, clear the low BitsPerByte - 1 bits
    __ vmerge_vim(as_VectorRegister($shift$$reg), as_VectorRegister($shift$$reg), BitsPerByte - 1);
    // otherwise, shift
    __ vmv1r_v(as_VectorRegister($v0$$reg), as_VectorRegister($vmask$$reg));
    __ vsra_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
               as_VectorRegister($shift$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vasrS_masked(vReg dst_src, vReg shift, vRegMask vmask, vRegMask_V0 v0) %{
  match(Set dst_src (RShiftVS (Binary dst_src shift) vmask));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst_src, TEMP v0);
  format %{ "vasrS_masked $dst_src, $dst_src, $shift, $vmask\t# KILL $v0" %}
  ins_encode %{
    __ vsetvli_helper(T_SHORT, Matcher::vector_length(this));
    __ vmsgtu_vi(as_VectorRegister($v0$$reg), as_VectorRegister($shift$$reg), BitsPerShort - 1);
    // if shift > BitsPerShort - 1, clear the low BitsPerShort - 1 bits
    __ vmerge_vim(as_VectorRegister($shift$$reg), as_VectorRegister($shift$$reg), BitsPerShort - 1);
    // otherwise, shift
    __ vmv1r_v(as_VectorRegister($v0$$reg), as_VectorRegister($vmask$$reg));
    __ vsra_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
               as_VectorRegister($shift$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vasrI_masked(vReg dst_src, vReg shift, vRegMask_V0 v0) %{
  match(Set dst_src (RShiftVI (Binary dst_src shift) v0));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst_src);
  format %{ "vasrI_masked $dst_src, $dst_src, $shift, $v0" %}
  ins_encode %{
    __ vsetvli_helper(T_INT, Matcher::vector_length(this));
    __ vsra_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
               as_VectorRegister($shift$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vasrL_masked(vReg dst_src, vReg shift, vRegMask_V0 v0) %{
  match(Set dst_src (RShiftVL (Binary dst_src shift) v0));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst_src);
  format %{ "vasrL_masked $dst_src, $dst_src, $shift, $v0" %}
  ins_encode %{
    __ vsetvli_helper(T_LONG, Matcher::vector_length(this));
    __ vsra_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
               as_VectorRegister($shift$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlslB(vReg dst, vReg src, vReg shift, vRegMask_V0 v0) %{
  match(Set dst (LShiftVB src shift));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst, TEMP v0);
  format %{ "vlslB $dst, $src, $shift" %}
  ins_encode %{
    __ vsetvli_helper(T_BYTE, Matcher::vector_length(this));
    // if shift > BitsPerByte - 1, clear the element
    __ vmsgtu_vi(as_VectorRegister($v0$$reg), as_VectorRegister($shift$$reg), BitsPerByte - 1);
    __ vxor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
               as_VectorRegister($src$$reg), Assembler::v0_t);
    // otherwise, shift
    __ vmnot_m(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg));
    __ vsll_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
               as_VectorRegister($shift$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlslS(vReg dst, vReg src, vReg shift, vRegMask_V0 v0) %{
  match(Set dst (LShiftVS src shift));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst, TEMP v0);
  format %{ "vlslS $dst, $src, $shift" %}
  ins_encode %{
    __ vsetvli_helper(T_SHORT, Matcher::vector_length(this));
    // if shift > BitsPerShort - 1, clear the element
    __ vmsgtu_vi(as_VectorRegister($v0$$reg), as_VectorRegister($shift$$reg), BitsPerShort - 1);
    __ vxor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
               as_VectorRegister($src$$reg), Assembler::v0_t);
    // otherwise, shift
    __ vmnot_m(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg));
    __ vsll_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
               as_VectorRegister($shift$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlslI(vReg dst, vReg src, vReg shift) %{
  match(Set dst (LShiftVI src shift));
  ins_cost(VEC_COST);
  format %{ "vlslI $dst, $src, $shift" %}
  ins_encode %{
    __ vsetvli_helper(T_INT, Matcher::vector_length(this));
    __ vsll_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
               as_VectorRegister($shift$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vlslL(vReg dst, vReg src, vReg shift) %{
  match(Set dst (LShiftVL src shift));
  ins_cost(VEC_COST);
  format %{ "vlslL $dst, $src, $shift" %}
  ins_encode %{
    __ vsetvli_helper(T_LONG, Matcher::vector_length(this));
    __ vsll_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
               as_VectorRegister($shift$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vlslB_masked(vReg dst_src, vReg shift, vRegMask vmask, vRegMask_V0 v0) %{
  match(Set dst_src (LShiftVB (Binary dst_src shift) vmask));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst_src, TEMP v0);
  format %{ "vlslB_masked $dst_src, $dst_src, $shift, $vmask\t# KILL $v0" %}
  ins_encode %{
    __ vsetvli_helper(T_BYTE, Matcher::vector_length(this));
    // if shift > BitsPerByte - 1, clear the element
    __ vmsgtu_vi(as_VectorRegister($v0$$reg), as_VectorRegister($shift$$reg), BitsPerByte - 1);
    __ vmand_mm(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg),
                as_VectorRegister($vmask$$reg));
    __ vxor_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
               as_VectorRegister($dst_src$$reg), Assembler::v0_t);
    // otherwise, shift
    __ vmv1r_v(as_VectorRegister($v0$$reg), as_VectorRegister($vmask$$reg));
    __ vsll_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
               as_VectorRegister($shift$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlslS_masked(vReg dst_src, vReg shift, vRegMask vmask, vRegMask_V0 v0) %{
  match(Set dst_src (LShiftVS (Binary dst_src shift) vmask));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst_src, TEMP v0);
  format %{ "vlslS_masked $dst_src, $dst_src, $shift, $vmask\t# KILL $v0" %}
  ins_encode %{
    __ vsetvli_helper(T_SHORT, Matcher::vector_length(this));
    // if shift > BitsPerShort - 1, clear the element
    __ vmsgtu_vi(as_VectorRegister($v0$$reg), as_VectorRegister($shift$$reg), BitsPerShort - 1);
    __ vmand_mm(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg),
                as_VectorRegister($vmask$$reg));
    __ vxor_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
               as_VectorRegister($dst_src$$reg), Assembler::v0_t);
    // otherwise, shift
    __ vmv1r_v(as_VectorRegister($v0$$reg), as_VectorRegister($vmask$$reg));
    __ vsll_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
               as_VectorRegister($shift$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlslI_masked(vReg dst_src, vReg shift, vRegMask_V0 v0) %{
  match(Set dst_src (LShiftVI (Binary dst_src shift) v0));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst_src);
  format %{ "vlslI_masked $dst_src, $dst_src, $shift, $v0" %}
  ins_encode %{
    __ vsetvli_helper(T_INT, Matcher::vector_length(this));
    __ vsll_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
               as_VectorRegister($shift$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlslL_masked(vReg dst_src, vReg shift, vRegMask_V0 v0) %{
  match(Set dst_src (LShiftVL (Binary dst_src shift) v0));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst_src);
  format %{ "vlslL_masked $dst_src, $dst_src, $shift, $v0" %}
  ins_encode %{
    __ vsetvli_helper(T_LONG, Matcher::vector_length(this));
    __ vsll_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
               as_VectorRegister($shift$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlsrB(vReg dst, vReg src, vReg shift, vRegMask_V0 v0) %{
  match(Set dst (URShiftVB src shift));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst, TEMP v0);
  format %{ "vlsrB $dst, $src, $shift" %}
  ins_encode %{
    __ vsetvli_helper(T_BYTE, Matcher::vector_length(this));
    // if shift > BitsPerByte - 1, clear the element
    __ vmsgtu_vi(as_VectorRegister($v0$$reg), as_VectorRegister($shift$$reg), BitsPerByte - 1);
    __ vxor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
               as_VectorRegister($src$$reg), Assembler::v0_t);
    // otherwise, shift
    __ vmnot_m(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg));
    __ vsrl_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
               as_VectorRegister($shift$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlsrS(vReg dst, vReg src, vReg shift, vRegMask_V0 v0) %{
  match(Set dst (URShiftVS src shift));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst, TEMP v0);
  format %{ "vlsrS $dst, $src, $shift" %}
  ins_encode %{
    __ vsetvli_helper(T_SHORT, Matcher::vector_length(this));
    // if shift > BitsPerShort - 1, clear the element
    __ vmsgtu_vi(as_VectorRegister($v0$$reg), as_VectorRegister($shift$$reg), BitsPerShort - 1);
    __ vxor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
               as_VectorRegister($src$$reg), Assembler::v0_t);
    // otherwise, shift
    __ vmnot_m(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg));
    __ vsrl_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
               as_VectorRegister($shift$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlsrI(vReg dst, vReg src, vReg shift) %{
  match(Set dst (URShiftVI src shift));
  ins_cost(VEC_COST);
  format %{ "vlsrI $dst, $src, $shift" %}
  ins_encode %{
    __ vsetvli_helper(T_INT, Matcher::vector_length(this));
    __ vsrl_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
               as_VectorRegister($shift$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vlsrL(vReg dst, vReg src, vReg shift) %{
  match(Set dst (URShiftVL src shift));
  ins_cost(VEC_COST);
  format %{ "vlsrL $dst, $src, $shift" %}
  ins_encode %{
    __ vsetvli_helper(T_LONG, Matcher::vector_length(this));
    __ vsrl_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
               as_VectorRegister($shift$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vlsrB_masked(vReg dst_src, vReg shift, vRegMask vmask, vRegMask_V0 v0) %{
  match(Set dst_src (URShiftVB (Binary dst_src shift) vmask));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst_src, TEMP v0);
  format %{ "vlsrB_masked $dst_src, $dst_src, $shift, $vmask\t# KILL $v0" %}
  ins_encode %{
    __ vsetvli_helper(T_BYTE, Matcher::vector_length(this));
    // if shift > BitsPerByte - 1, clear the element
    __ vmsgtu_vi(as_VectorRegister($v0$$reg), as_VectorRegister($shift$$reg), BitsPerByte - 1);
    __ vmand_mm(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg),
                as_VectorRegister($vmask$$reg));
    __ vxor_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
               as_VectorRegister($dst_src$$reg), Assembler::v0_t);
    // otherwise, shift
    __ vmv1r_v(as_VectorRegister($v0$$reg), as_VectorRegister($vmask$$reg));
    __ vsrl_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
               as_VectorRegister($shift$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlsrS_masked(vReg dst_src, vReg shift, vRegMask vmask, vRegMask_V0 v0) %{
  match(Set dst_src (URShiftVS (Binary dst_src shift) vmask));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst_src, TEMP v0);
  format %{ "vlsrS_masked $dst_src, $dst_src, $shift, $vmask\t# KILL $v0" %}
  ins_encode %{
    __ vsetvli_helper(T_SHORT, Matcher::vector_length(this));
    // if shift > BitsPerShort - 1, clear the element
    __ vmsgtu_vi(as_VectorRegister($v0$$reg), as_VectorRegister($shift$$reg), BitsPerShort - 1);
    __ vmand_mm(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg),
                as_VectorRegister($vmask$$reg));
    __ vxor_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
               as_VectorRegister($dst_src$$reg), Assembler::v0_t);
    // otherwise, shift
    __ vmv1r_v(as_VectorRegister($v0$$reg), as_VectorRegister($vmask$$reg));
    __ vsrl_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
               as_VectorRegister($shift$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlsrI_masked(vReg dst_src, vReg shift, vRegMask_V0 v0) %{
  match(Set dst_src (URShiftVI (Binary dst_src shift) v0));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst_src);
  format %{ "vlsrI_masked $dst_src, $dst_src, $shift, $v0" %}
  ins_encode %{
    __ vsetvli_helper(T_INT, Matcher::vector_length(this));
    __ vsrl_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
               as_VectorRegister($shift$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlsrL_masked(vReg dst_src, vReg shift, vRegMask_V0 v0) %{
  match(Set dst_src (URShiftVL (Binary dst_src shift) v0));
  ins_cost(VEC_COST);
  effect(TEMP_DEF dst_src);
  format %{ "vlsrL_masked $dst_src, $dst_src, $shift, $v0" %}
  ins_encode %{
    __ vsetvli_helper(T_LONG, Matcher::vector_length(this));
    __ vsrl_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
               as_VectorRegister($shift$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vasrB_imm(vReg dst, vReg src, immI shift) %{
  match(Set dst (RShiftVB src (RShiftCntV shift)));
  ins_cost(VEC_COST);
  format %{ "vasrB_imm $dst, $src, $shift" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    __ vsetvli_helper(T_BYTE, Matcher::vector_length(this));
    if (con == 0) {
      __ vor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
                as_VectorRegister($src$$reg));
      return;
    }
    if (con >= BitsPerByte) con = BitsPerByte - 1;
    __ vsra_vi(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), con);
  %}
  ins_pipe(pipe_slow);
%}

instruct vasrS_imm(vReg dst, vReg src, immI shift) %{
  match(Set dst (RShiftVS src (RShiftCntV shift)));
  ins_cost(VEC_COST);
  format %{ "vasrS_imm $dst, $src, $shift" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    __ vsetvli_helper(T_SHORT, Matcher::vector_length(this));
    if (con == 0) {
      __ vor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
                as_VectorRegister($src$$reg));
      return;
    }
    if (con >= BitsPerShort) con = BitsPerShort - 1;
    __ vsra_vi(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), con);
  %}
  ins_pipe(pipe_slow);
%}

instruct vasrI_imm(vReg dst, vReg src, immI shift) %{
  match(Set dst (RShiftVI src (RShiftCntV shift)));
  ins_cost(VEC_COST);
  format %{ "vasrI_imm $dst, $src, $shift" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    __ vsetvli_helper(T_INT, Matcher::vector_length(this));
    if (con == 0) {
      __ vor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
                as_VectorRegister($src$$reg));
      return;
    }
    __ vsra_vi(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), con);
  %}
  ins_pipe(pipe_slow);
%}

instruct vasrL_imm(vReg dst, vReg src, immI shift) %{
  predicate((n->in(2)->in(1)->get_int() & 0x3f) < 32);
  match(Set dst (RShiftVL src (RShiftCntV shift)));
  ins_cost(VEC_COST);
  format %{ "vasrL_imm $dst, $src, $shift" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    __ vsetvli_helper(T_LONG, Matcher::vector_length(this));
    if (con == 0) {
      __ vor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
                as_VectorRegister($src$$reg));
      return;
    }
    __ vsra_vi(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), con);
  %}
  ins_pipe(pipe_slow);
%}

instruct vasrB_imm_masked(vReg dst_src, immI shift, vRegMask_V0 v0) %{
  match(Set dst_src (RShiftVB (Binary dst_src (RShiftCntV shift)) v0));
  ins_cost(VEC_COST);
  format %{ "vasrB_imm_masked $dst_src, $dst_src, $shift, $v0" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    if (con == 0) {
      return;
    }
    if (con >= BitsPerByte) con = BitsPerByte - 1;
    __ vsetvli_helper(T_BYTE, Matcher::vector_length(this));
    __ vsra_vi(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg), con,
               Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vasrS_imm_masked(vReg dst_src, immI shift, vRegMask_V0 v0) %{
  match(Set dst_src (RShiftVS (Binary dst_src (RShiftCntV shift)) v0));
  ins_cost(VEC_COST);
  format %{ "vasrS_imm_masked $dst_src, $dst_src, $shift, $v0" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    if (con == 0) {
      return;
    }
    if (con >= BitsPerShort) con = BitsPerShort - 1;
    __ vsetvli_helper(T_SHORT, Matcher::vector_length(this));
    __ vsra_vi(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg), con,
               Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vasrI_imm_masked(vReg dst_src, immI shift, vRegMask_V0 v0) %{
  match(Set dst_src (RShiftVI (Binary dst_src (RShiftCntV shift)) v0));
  ins_cost(VEC_COST);
  format %{ "vasrI_imm_masked $dst_src, $dst_src, $shift, $v0" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    if (con == 0) {
      return;
    }
    __ vsetvli_helper(T_INT, Matcher::vector_length(this));
    __ vsra_vi(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg), con,
               Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vasrL_imm_masked(vReg dst_src, immI shift, vRegMask_V0 v0) %{
  predicate((n->in(1)->in(2)->in(1)->get_int() & 0x3f) < 32);
  match(Set dst_src (RShiftVL (Binary dst_src (RShiftCntV shift)) v0));
  ins_cost(VEC_COST);
  format %{ "vasrL_imm_masked $dst_src, $dst_src, $shift, $v0" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    if (con == 0) {
      return;
    }
    __ vsetvli_helper(T_LONG, Matcher::vector_length(this));
    __ vsra_vi(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg), con,
               Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlsrB_imm(vReg dst, vReg src, immI shift) %{
  match(Set dst (URShiftVB src (RShiftCntV shift)));
  ins_cost(VEC_COST);
  format %{ "vlsrB_imm $dst, $src, $shift" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    __ vsetvli_helper(T_BYTE, Matcher::vector_length(this));
    if (con == 0) {
      __ vor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
                as_VectorRegister($src$$reg));
      return;
    }
    if (con >= BitsPerByte) {
      __ vxor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
                 as_VectorRegister($src$$reg));
      return;
    }
    __ vsrl_vi(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), con);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlsrS_imm(vReg dst, vReg src, immI shift) %{
  match(Set dst (URShiftVS src (RShiftCntV shift)));
  ins_cost(VEC_COST);
  format %{ "vlsrS_imm $dst, $src, $shift" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    __ vsetvli_helper(T_SHORT, Matcher::vector_length(this));
    if (con == 0) {
      __ vor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
                as_VectorRegister($src$$reg));
      return;
    }
    if (con >= BitsPerShort) {
      __ vxor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
                 as_VectorRegister($src$$reg));
      return;
    }
    __ vsrl_vi(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), con);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlsrI_imm(vReg dst, vReg src, immI shift) %{
  match(Set dst (URShiftVI src (RShiftCntV shift)));
  ins_cost(VEC_COST);
  format %{ "vlsrI_imm $dst, $src, $shift" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    __ vsetvli_helper(T_INT, Matcher::vector_length(this));
    if (con == 0) {
      __ vor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
                as_VectorRegister($src$$reg));
      return;
    }
    __ vsrl_vi(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), con);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlsrL_imm(vReg dst, vReg src, immI shift) %{
  predicate((n->in(2)->in(1)->get_int() & 0x3f) < 32);
  match(Set dst (URShiftVL src (RShiftCntV shift)));
  ins_cost(VEC_COST);
  format %{ "vlsrL_imm $dst, $src, $shift" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    __ vsetvli_helper(T_LONG, Matcher::vector_length(this));
    if (con == 0) {
      __ vor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
                as_VectorRegister($src$$reg));
      return;
    }
    __ vsrl_vi(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), con);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlsrB_imm_masked(vReg dst_src, immI shift, vRegMask_V0 v0) %{
  match(Set dst_src (URShiftVB (Binary dst_src (RShiftCntV shift)) v0));
  ins_cost(VEC_COST);
  format %{ "vlsrB_imm_masked $dst_src, $dst_src, $shift, $v0" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    if (con == 0) {
      return;
    }
    __ vsetvli_helper(T_BYTE, Matcher::vector_length(this));
    if (con >= BitsPerByte) {
      __ vxor_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
                 as_VectorRegister($dst_src$$reg), Assembler::v0_t);
      return;
    }
    __ vsrl_vi(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg), con,
               Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlsrS_imm_masked(vReg dst_src, immI shift, vRegMask_V0 v0) %{
  match(Set dst_src (URShiftVS (Binary dst_src (RShiftCntV shift)) v0));
  ins_cost(VEC_COST);
  format %{ "vlsrS_imm_masked $dst_src, $dst_src, $shift, $v0" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    if (con == 0) {
      return;
    }
    __ vsetvli_helper(T_SHORT, Matcher::vector_length(this));
    if (con >= BitsPerShort) {
      __ vxor_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
                 as_VectorRegister($dst_src$$reg), Assembler::v0_t);
      return;
    }
    __ vsrl_vi(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg), con,
               Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlsrI_imm_masked(vReg dst_src, immI shift, vRegMask_V0 v0) %{
  match(Set dst_src (URShiftVI (Binary dst_src (RShiftCntV shift)) v0));
  ins_cost(VEC_COST);
  format %{ "vlsrI_imm_masked $dst_src, $dst_src, $shift, $v0" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    if (con == 0) {
      return;
    }
    __ vsetvli_helper(T_INT, Matcher::vector_length(this));
    __ vsrl_vi(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg), con,
               Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlsrL_imm_masked(vReg dst_src, immI shift, vRegMask_V0 v0) %{
  predicate((n->in(1)->in(2)->in(1)->get_int() & 0x3f) < 32);
  match(Set dst_src (URShiftVL (Binary dst_src (RShiftCntV shift)) v0));
  ins_cost(VEC_COST);
  format %{ "vlsrL_imm_masked $dst_src, $dst_src, $shift, $v0" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    if (con == 0) {
      return;
    }
    __ vsetvli_helper(T_LONG, Matcher::vector_length(this));
    __ vsrl_vi(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg), con,
               Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlslB_imm(vReg dst, vReg src, immI shift) %{
  match(Set dst (LShiftVB src (LShiftCntV shift)));
  ins_cost(VEC_COST);
  format %{ "vlslB_imm $dst, $src, $shift" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    __ vsetvli_helper(T_BYTE, Matcher::vector_length(this));
    if (con >= BitsPerByte) {
      __ vxor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
                 as_VectorRegister($src$$reg));
      return;
    }
    __ vsll_vi(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), con);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlslS_imm(vReg dst, vReg src, immI shift) %{
  match(Set dst (LShiftVS src (LShiftCntV shift)));
  ins_cost(VEC_COST);
  format %{ "vlslS_imm $dst, $src, $shift" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    __ vsetvli_helper(T_SHORT, Matcher::vector_length(this));
    if (con >= BitsPerShort) {
      __ vxor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
                 as_VectorRegister($src$$reg));
      return;
    }
    __ vsll_vi(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), con);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlslI_imm(vReg dst, vReg src, immI shift) %{
  match(Set dst (LShiftVI src (LShiftCntV shift)));
  ins_cost(VEC_COST);
  format %{ "vlslI_imm $dst, $src, $shift" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    __ vsetvli_helper(T_INT, Matcher::vector_length(this));
    __ vsll_vi(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), con);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlslL_imm(vReg dst, vReg src, immI shift) %{
  predicate((n->in(2)->in(1)->get_int() & 0x3f) < 32);
  match(Set dst (LShiftVL src (LShiftCntV shift)));
  ins_cost(VEC_COST);
  format %{ "vlslL_imm $dst, $src, $shift" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    __ vsetvli_helper(T_LONG, Matcher::vector_length(this));
    __ vsll_vi(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), con);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlslB_imm_masked(vReg dst_src, immI shift, vRegMask_V0 v0) %{
  match(Set dst_src (LShiftVB (Binary dst_src (LShiftCntV shift)) v0));
  ins_cost(VEC_COST);
  format %{ "vlslB_imm_masked $dst_src, $dst_src, $shift, $v0" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    __ vsetvli_helper(T_BYTE, Matcher::vector_length(this));
    if (con >= BitsPerByte) {
      __ vxor_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
                 as_VectorRegister($dst_src$$reg), Assembler::v0_t);
      return;
    }
    __ vsll_vi(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg), con,
               Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlslS_imm_masked(vReg dst_src, immI shift, vRegMask_V0 v0) %{
  match(Set dst_src (LShiftVS (Binary dst_src (LShiftCntV shift)) v0));
  ins_cost(VEC_COST);
  format %{ "vlslS_imm_masked $dst_src, $dst_src, $shift, $v0" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    __ vsetvli_helper(T_SHORT, Matcher::vector_length(this));
    if (con >= BitsPerShort) {
      __ vxor_vv(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
                 as_VectorRegister($dst_src$$reg), Assembler::v0_t);
      return;
    }
    __ vsll_vi(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg), con,
               Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlslI_imm_masked(vReg dst_src, immI shift, vRegMask_V0 v0) %{
  match(Set dst_src (LShiftVI (Binary dst_src (LShiftCntV shift)) v0));
  ins_cost(VEC_COST);
  format %{ "vlslI_imm_masked $dst_src, $dst_src, $shift, $v0" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    __ vsetvli_helper(T_INT, Matcher::vector_length(this));
    __ vsll_vi(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg), con,
               Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vlslL_imm_masked(vReg dst_src, immI shift, vRegMask_V0 v0) %{
  predicate((n->in(1)->in(2)->in(1)->get_int() & 0x3f) < 32);
  match(Set dst_src (LShiftVL (Binary dst_src (LShiftCntV shift)) v0));
  ins_cost(VEC_COST);
  format %{ "vlslL_imm_masked $dst_src, $dst_src, $shift, $v0" %}
  ins_encode %{
    uint32_t con = (unsigned)$shift$$constant & 0x1f;
    __ vsetvli_helper(T_LONG, Matcher::vector_length(this));
    __ vsll_vi(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg), con,
               Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// vector shift count

instruct vshiftcnt(vReg dst, iRegIorL2I cnt) %{
  match(Set dst (LShiftCntV cnt));
  match(Set dst (RShiftCntV cnt));
  format %{ "vshiftcnt $dst, $cnt" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vmv_v_x(as_VectorRegister($dst$$reg), as_Register($cnt$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector sqrt

instruct vsqrt_fp(vReg dst, vReg src) %{
  match(Set dst (SqrtVF src));
  match(Set dst (SqrtVD src));
  ins_cost(VEC_COST);
  format %{ "vsqrt_fp $dst, $src" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfsqrt_v(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector sqrt - predicated

instruct vsqrt_fp_masked(vReg dst_src, vRegMask_V0 v0) %{
  match(Set dst_src (SqrtVF dst_src v0));
  match(Set dst_src (SqrtVD dst_src v0));
  ins_cost(VEC_COST);
  format %{ "vsqrt_fp_masked $dst_src, $dst_src, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfsqrt_v(as_VectorRegister($dst_src$$reg), as_VectorRegister($dst_src$$reg),
                Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vstring_equalsL(iRegP_R11 str1, iRegP_R13 str2, iRegI_R14 cnt,
                         iRegI_R10 result, vReg_V2 v2,
                         vReg_V3 v3, vReg_V4 v4, vReg_V5 v5, rFlagsReg cr)
%{
  predicate(UseRVV && ((StrEqualsNode*)n)->encoding() == StrIntrinsicNode::LL);
  match(Set result (StrEquals (Binary str1 str2) cnt));
  effect(USE_KILL str1, USE_KILL str2, USE_KILL cnt, TEMP v2, TEMP v3, TEMP v4, TEMP v5, KILL cr);

  format %{ "String Equals $str1, $str2, $cnt -> $result\t#@string_equalsL" %}
  ins_encode %{
    // Count is in 8-bit bytes; non-Compact chars are 16 bits.
    __ string_equals_v($str1$$Register, $str2$$Register,
                       $result$$Register, $cnt$$Register, 1);
  %}
  ins_pipe(pipe_class_memory);
%}

instruct vstring_equalsU(iRegP_R11 str1, iRegP_R13 str2, iRegI_R14 cnt,
                         iRegI_R10 result, vReg_V2 v2,
                         vReg_V3 v3, vReg_V4 v4, vReg_V5 v5, rFlagsReg cr)
%{
  predicate(UseRVV && ((StrEqualsNode*)n)->encoding() == StrIntrinsicNode::UU);
  match(Set result (StrEquals (Binary str1 str2) cnt));
  effect(USE_KILL str1, USE_KILL str2, USE_KILL cnt, TEMP v2, TEMP v3, TEMP v4, TEMP v5, KILL cr);

  format %{ "String Equals $str1, $str2, $cnt -> $result\t#@string_equalsU" %}
  ins_encode %{
    // Count is in 8-bit bytes; non-Compact chars are 16 bits.
    __ string_equals_v($str1$$Register, $str2$$Register,
                       $result$$Register, $cnt$$Register, 2);
  %}
  ins_pipe(pipe_class_memory);
%}

instruct varray_equalsB(iRegP_R11 ary1, iRegP_R12 ary2, iRegI_R10 result,
                        vReg_V2 v2, vReg_V3 v3, vReg_V4 v4, vReg_V5 v5, iRegP_R28 tmp, rFlagsReg cr)
%{
  predicate(UseRVV && ((AryEqNode*)n)->encoding() == StrIntrinsicNode::LL);
  match(Set result (AryEq ary1 ary2));
  effect(KILL tmp, USE_KILL ary1, USE_KILL ary2, TEMP v2, TEMP v3, TEMP v4, TEMP v5, KILL cr);

  format %{ "Array Equals $ary1, ary2 -> $result\t#@array_equalsB // KILL $tmp" %}
  ins_encode %{
    __ arrays_equals_v($ary1$$Register, $ary2$$Register,
                       $result$$Register, $tmp$$Register, 1);
    %}
  ins_pipe(pipe_class_memory);
%}

instruct varray_equalsC(iRegP_R11 ary1, iRegP_R12 ary2, iRegI_R10 result,
                        vReg_V2 v2, vReg_V3 v3, vReg_V4 v4, vReg_V5 v5, iRegP_R28 tmp, rFlagsReg cr)
%{
  predicate(UseRVV && ((AryEqNode*)n)->encoding() == StrIntrinsicNode::UU);
  match(Set result (AryEq ary1 ary2));
  effect(KILL tmp, USE_KILL ary1, USE_KILL ary2, TEMP v2, TEMP v3, TEMP v4, TEMP v5, KILL cr);

  format %{ "Array Equals $ary1, ary2 -> $result\t#@array_equalsC // KILL $tmp" %}
  ins_encode %{
    __ arrays_equals_v($ary1$$Register, $ary2$$Register,
                       $result$$Register, $tmp$$Register, 2);
  %}
  ins_pipe(pipe_class_memory);
%}

instruct vstring_compareU(iRegP_R11 str1, iRegI_R12 cnt1, iRegP_R13 str2, iRegI_R14 cnt2,
                          iRegI_R10 result, vReg_V2 v2, vReg_V3 v3, vReg_V4 v4, vReg_V5 v5,
                          iRegP_R28 tmp1, iRegL_R29 tmp2)
%{
  predicate(UseRVV && ((StrCompNode *)n)->encoding() == StrIntrinsicNode::UU);
  match(Set result (StrComp (Binary str1 cnt1) (Binary str2 cnt2)));
  effect(KILL tmp1, KILL tmp2, USE_KILL str1, USE_KILL str2, USE_KILL cnt1, USE_KILL cnt2,
         TEMP v2, TEMP v3, TEMP v4, TEMP v5);

  format %{ "String Compare $str1, $cnt1, $str2, $cnt2 -> $result\t#@string_compareU" %}
  ins_encode %{
    // Count is in 8-bit bytes; non-Compact chars are 16 bits.
    __ string_compare_v($str1$$Register, $str2$$Register,
                        $cnt1$$Register, $cnt2$$Register, $result$$Register,
                        $tmp1$$Register, $tmp2$$Register,
                        StrIntrinsicNode::UU);
  %}
  ins_pipe(pipe_class_memory);
%}
instruct vstring_compareL(iRegP_R11 str1, iRegI_R12 cnt1, iRegP_R13 str2, iRegI_R14 cnt2,
                          iRegI_R10 result, vReg_V2 v2, vReg_V3 v3, vReg_V4 v4, vReg_V5 v5,
                          iRegP_R28 tmp1, iRegL_R29 tmp2)
%{
  predicate(UseRVV && ((StrCompNode *)n)->encoding() == StrIntrinsicNode::LL);
  match(Set result (StrComp (Binary str1 cnt1) (Binary str2 cnt2)));
  effect(KILL tmp1, KILL tmp2, USE_KILL str1, USE_KILL str2, USE_KILL cnt1, USE_KILL cnt2,
         TEMP v2, TEMP v3, TEMP v4, TEMP v5);

  format %{ "String Compare $str1, $cnt1, $str2, $cnt2 -> $result\t#@string_compareL" %}
  ins_encode %{
    __ string_compare_v($str1$$Register, $str2$$Register,
                        $cnt1$$Register, $cnt2$$Register, $result$$Register,
                        $tmp1$$Register, $tmp2$$Register,
                        StrIntrinsicNode::LL);
  %}
  ins_pipe(pipe_class_memory);
%}

instruct vstring_compareUL(iRegP_R11 str1, iRegI_R12 cnt1, iRegP_R13 str2, iRegI_R14 cnt2,
                           iRegI_R10 result, vReg_V4 v4, vReg_V5 v5, vReg_V6 v6, vReg_V7 v7,
                           vReg_V8 v8, vReg_V9 v9, vReg_V10 v10, vReg_V11 v11,
                           iRegP_R28 tmp1, iRegL_R29 tmp2)
%{
  predicate(UseRVV && ((StrCompNode *)n)->encoding() == StrIntrinsicNode::UL);
  match(Set result (StrComp (Binary str1 cnt1) (Binary str2 cnt2)));
  effect(KILL tmp1, KILL tmp2, USE_KILL str1, USE_KILL str2, USE_KILL cnt1, USE_KILL cnt2,
         TEMP v4, TEMP v5, TEMP v6, TEMP v7, TEMP v8, TEMP v9, TEMP v10, TEMP v11);

  format %{"String Compare $str1, $cnt1, $str2, $cnt2 -> $result\t#@string_compareUL" %}
  ins_encode %{
    __ string_compare_v($str1$$Register, $str2$$Register,
                        $cnt1$$Register, $cnt2$$Register, $result$$Register,
                        $tmp1$$Register, $tmp2$$Register,
                        StrIntrinsicNode::UL);
  %}
  ins_pipe(pipe_class_memory);
%}
instruct vstring_compareLU(iRegP_R11 str1, iRegI_R12 cnt1, iRegP_R13 str2, iRegI_R14 cnt2,
                           iRegI_R10 result, vReg_V4 v4, vReg_V5 v5, vReg_V6 v6, vReg_V7 v7,
                           vReg_V8 v8, vReg_V9 v9, vReg_V10 v10, vReg_V11 v11,
                           iRegP_R28 tmp1, iRegL_R29 tmp2)
%{
  predicate(UseRVV && ((StrCompNode *)n)->encoding() == StrIntrinsicNode::LU);
  match(Set result (StrComp (Binary str1 cnt1) (Binary str2 cnt2)));
  effect(KILL tmp1, KILL tmp2, USE_KILL str1, USE_KILL str2, USE_KILL cnt1, USE_KILL cnt2,
         TEMP v4, TEMP v5, TEMP v6, TEMP v7, TEMP v8, TEMP v9, TEMP v10, TEMP v11);

  format %{ "String Compare $str1, $cnt1, $str2, $cnt2 -> $result\t#@string_compareLU" %}
  ins_encode %{
    __ string_compare_v($str1$$Register, $str2$$Register,
                        $cnt1$$Register, $cnt2$$Register, $result$$Register,
                        $tmp1$$Register, $tmp2$$Register,
                        StrIntrinsicNode::LU);
  %}
  ins_pipe(pipe_class_memory);
%}

// fast byte[] to char[] inflation
instruct vstring_inflate(Universe dummy, iRegP_R10 src, iRegP_R11 dst, iRegI_R12 len,
                         vReg_V4 v4, vReg_V5 v5, vReg_V6 v6, vReg_V7 v7, iRegLNoSp tmp)
%{
  predicate(UseRVV);
  match(Set dummy (StrInflatedCopy src (Binary dst len)));
  effect(TEMP v4, TEMP v5, TEMP v6, TEMP v7, TEMP tmp, USE_KILL src, USE_KILL dst, USE_KILL len);

  format %{ "String Inflate $src,$dst" %}
  ins_encode %{
    __ byte_array_inflate_v($src$$Register, $dst$$Register, $len$$Register, $tmp$$Register);
  %}
  ins_pipe(pipe_class_memory);
%}

// encode char[] to byte[] in ISO_8859_1
instruct vencode_iso_array(iRegP_R12 src, iRegP_R11 dst, iRegI_R13 len, iRegI_R10 result,
                           vReg_V1 v1, vReg_V2 v2, vReg_V3 v3, vRegMask_V0 v0, iRegLNoSp tmp)
%{
  predicate(UseRVV && !((EncodeISOArrayNode*)n)->is_ascii());
  match(Set result (EncodeISOArray src (Binary dst len)));
  effect(TEMP_DEF result, USE_KILL src, USE_KILL dst, USE_KILL len,
         TEMP v0, TEMP v1, TEMP v2, TEMP v3, TEMP tmp);

  format %{ "Encode ISO array $src, $dst, $len -> $result # KILL $src, $dst, $len, $tmp, V0-V3" %}
  ins_encode %{
    __ encode_iso_array_v($src$$Register, $dst$$Register, $len$$Register,
                          $result$$Register, $tmp$$Register, false /* ascii */);
  %}
  ins_pipe(pipe_class_memory);
%}

instruct vencode_ascii_array(iRegP_R12 src, iRegP_R11 dst, iRegI_R13 len, iRegI_R10 result,
                             vReg_V1 v1, vReg_V2 v2, vReg_V3 v3, vRegMask_V0 v0, iRegLNoSp tmp)
%{
  predicate(UseRVV && ((EncodeISOArrayNode*)n)->is_ascii());
  match(Set result (EncodeISOArray src (Binary dst len)));
  effect(TEMP_DEF result, USE_KILL src, USE_KILL dst, USE_KILL len,
         TEMP v0, TEMP v1, TEMP v2, TEMP v3, TEMP tmp);

  format %{ "Encode ASCII array $src, $dst, $len -> $result # KILL $src, $dst, $len, $tmp, V0-V3" %}
  ins_encode %{
    __ encode_iso_array_v($src$$Register, $dst$$Register, $len$$Register,
                          $result$$Register, $tmp$$Register, true /* ascii */);
  %}
  ins_pipe(pipe_class_memory);
%}

// fast char[] to byte[] compression
instruct vstring_compress(iRegP_R12 src, iRegP_R11 dst, iRegI_R13 len, iRegI_R10 result,
                          vReg_V1 v1, vReg_V2 v2, vReg_V3 v3, vRegMask_V0 v0, iRegLNoSp tmp)
%{
  predicate(UseRVV);
  match(Set result (StrCompressedCopy src (Binary dst len)));
  effect(TEMP_DEF result, USE_KILL src, USE_KILL dst, USE_KILL len,
         TEMP v0, TEMP v1, TEMP v2, TEMP v3, TEMP tmp);

  format %{ "String Compress $src,$dst -> $result    // KILL R11, R12, R13" %}
  ins_encode %{
    __ char_array_compress_v($src$$Register, $dst$$Register, $len$$Register,
                             $result$$Register, $tmp$$Register);
  %}
  ins_pipe(pipe_class_memory);
%}

instruct vcount_positives(iRegP_R11 ary, iRegI_R12 len, iRegI_R10 result,
                          vReg_V4 v4, vReg_V5 v5, vReg_V6 v6, vReg_V7 v7, iRegLNoSp tmp)
%{
  predicate(UseRVV);
  match(Set result (CountPositives ary len));
  effect(TEMP_DEF result, USE_KILL ary, USE_KILL len, TEMP v4, TEMP v5, TEMP v6, TEMP v7, TEMP tmp);

  format %{ "count positives byte[] $ary, $len -> $result" %}
  ins_encode %{
    __ count_positives_v($ary$$Register, $len$$Register, $result$$Register, $tmp$$Register);
  %}

  ins_pipe(pipe_class_memory);
%}

instruct vstringU_indexof_char(iRegP_R11 str1, iRegI_R12 cnt1, iRegI_R13 ch,
                               iRegI_R10 result, iRegINoSp tmp1, iRegINoSp tmp2,
                               vReg_V4 v4, vReg_V5 v5, vReg_V6 v6, vReg_V7 v7)
%{
  predicate(UseRVV && (((StrIndexOfCharNode*)n)->encoding() == StrIntrinsicNode::U));
  match(Set result (StrIndexOfChar (Binary str1 cnt1) ch));
  effect(TEMP_DEF result, USE_KILL str1, USE_KILL cnt1, USE_KILL ch,
         TEMP tmp1, TEMP tmp2, TEMP v4, TEMP v5, TEMP v6, TEMP v7);

  format %{ "StringUTF16 IndexOf char[] $str1, $cnt1, $ch -> $result" %}

  ins_encode %{
    __ string_indexof_char_v($str1$$Register, $cnt1$$Register, $ch$$Register,
                             $result$$Register, $tmp1$$Register, $tmp2$$Register,
                             false /* isL */);
  %}

  ins_pipe(pipe_class_memory);
%}

instruct vstringL_indexof_char(iRegP_R11 str1, iRegI_R12 cnt1, iRegI_R13 ch,
                               iRegI_R10 result, iRegINoSp tmp1, iRegINoSp tmp2,
                               vReg_V4 v4, vReg_V5 v5, vReg_V6 v6, vReg_V7 v7)
%{
  predicate(UseRVV && (((StrIndexOfCharNode*)n)->encoding() == StrIntrinsicNode::L));
  match(Set result (StrIndexOfChar (Binary str1 cnt1) ch));
  effect(TEMP_DEF result, USE_KILL str1, USE_KILL cnt1, USE_KILL ch,
         TEMP tmp1, TEMP tmp2, TEMP v4, TEMP v5, TEMP v6, TEMP v7);

  format %{ "StringLatin1 IndexOf char[] $str1, $cnt1, $ch -> $result" %}

  ins_encode %{
    __ string_indexof_char_v($str1$$Register, $cnt1$$Register, $ch$$Register,
                             $result$$Register, $tmp1$$Register, $tmp2$$Register,
                             true /* isL */);
  %}

  ins_pipe(pipe_class_memory);
%}

// clearing of an array
instruct vclearArray_reg_reg(iRegL_R29 cnt, iRegP_R28 base, Universe dummy,
                             vReg_V4 v4, vReg_V5 v5, vReg_V6 v6, vReg_V7 v7)
%{
  predicate(!UseBlockZeroing && UseRVV);
  match(Set dummy (ClearArray cnt base));
  effect(USE_KILL cnt, USE_KILL base, TEMP v4, TEMP v5, TEMP v6, TEMP v7);

  format %{ "ClearArray $cnt, $base\t#@clearArray_reg_reg" %}

  ins_encode %{
    __ clear_array_v($base$$Register, $cnt$$Register);
  %}

  ins_pipe(pipe_class_memory);
%}

// Vector Load Const
instruct vloadcon(vReg dst, immI0 src) %{
  match(Set dst (VectorLoadConst src));
  ins_cost(VEC_COST);
  format %{ "vloadcon $dst\t# generate iota indices" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vid_v(as_VectorRegister($dst$$reg));
    if (is_floating_point_type(bt)) {
      __ vfcvt_f_x_v(as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg));
    }
  %}
  ins_pipe(pipe_slow);
%}

instruct vmask_gen_I(vRegMask dst, iRegI src) %{
  match(Set dst (VectorMaskGen (ConvI2L src)));
  format %{ "vmask_gen_I $dst, $src" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vid_v(as_VectorRegister($dst$$reg));
    __ vmsltu_vx(as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg), $src$$Register);
  %}
  ins_pipe(pipe_slow);
%}

instruct vmask_gen_L(vRegMask dst, iRegL src) %{
  match(Set dst (VectorMaskGen src));
  format %{ "vmask_gen_L $dst, $src" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vid_v(as_VectorRegister($dst$$reg));
    __ vmsltu_vx(as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg), $src$$Register);
  %}
  ins_pipe(pipe_slow);
%}

instruct vmask_gen_imm(vRegMask dst, immL con) %{
  predicate(n->in(1)->get_long() <= 16 ||
            n->in(1)->get_long() == Matcher::vector_length(n));
  match(Set dst (VectorMaskGen con));
  format %{ "vmask_gen_imm $dst, $con" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    if ((uint)($con$$constant) == 0) {
      __ vmclr_m(as_VectorRegister($dst$$reg));
    } else if ((uint)($con$$constant) == Matcher::vector_length(this)) {
      __ vmset_m(as_VectorRegister($dst$$reg));
    } else {
      assert((uint)($con$$constant) < Matcher::vector_length(this), "unsupported input lane_cnt");
      __ vid_v(as_VectorRegister($dst$$reg));
      __ vmsleu_vi(as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg), (uint)($con$$constant) - 1);
    }
  %}
  ins_pipe(pipe_slow);
%}

instruct vmaskAll_immI(vRegMask dst, immI src) %{
  match(Set dst (MaskAll src));
  format %{ "vmaskAll_immI $dst, $src" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    int con = (int)$src$$constant;
    if (con == 0) {
      __ vmclr_m(as_VectorRegister($dst$$reg));
    } else {
      assert(con == -1, "invalid constant value for mask");
      __ vmset_m(as_VectorRegister($dst$$reg));
    }
  %}
  ins_pipe(pipe_slow);
%}

instruct vmaskAllI(vRegMask dst, iRegIorL2I src) %{
  match(Set dst (MaskAll src));
  format %{ "vmaskAllI $dst, $src" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vmv_v_x(as_VectorRegister($dst$$reg), as_Register($src$$reg));
    __ vmsne_vx(as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg), zr);
  %}
  ins_pipe(pipe_slow);
%}

instruct vmaskAll_immL(vRegMask dst, immL src) %{
  match(Set dst (MaskAll src));
  format %{ "vmaskAll_immL $dst, $src" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    long con = (long)$src$$constant;
    if (con == 0) {
      __ vmclr_m(as_VectorRegister($dst$$reg));
    } else {
      assert(con == -1, "invalid constant value for mask");
      __ vmset_m(as_VectorRegister($dst$$reg));
    }
  %}
  ins_pipe(pipe_slow);
%}

instruct vmaskAllL(vRegMask dst, iRegL src) %{
  match(Set dst (MaskAll src));
  format %{ "vmaskAllL $dst, $src" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vmv_v_x(as_VectorRegister($dst$$reg), as_Register($src$$reg));
    __ vmsne_vx(as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg), zr);
  %}
  ins_pipe(pipe_slow);
%}

// ------------------------------ Vector mask basic OPs ------------------------

// vector mask logical ops: and/or/xor

instruct vmask_and(vRegMask dst, vRegMask src1, vRegMask src2) %{
  match(Set dst (AndVMask src1 src2));
  format %{ "vmask_and $dst, $src1, $src2" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vmand_mm(as_VectorRegister($dst$$reg),
                as_VectorRegister($src1$$reg),
                as_VectorRegister($src2$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vmask_or(vRegMask dst, vRegMask src1, vRegMask src2) %{
  match(Set dst (OrVMask src1 src2));
  format %{ "vmask_or $dst, $src1, $src2" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vmor_mm(as_VectorRegister($dst$$reg),
               as_VectorRegister($src1$$reg),
               as_VectorRegister($src2$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vmask_xor(vRegMask dst, vRegMask src1, vRegMask src2) %{
  match(Set dst (XorVMask src1 src2));
  format %{ "vmask_xor $dst, $src1, $src2" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vmxor_mm(as_VectorRegister($dst$$reg),
                as_VectorRegister($src1$$reg),
                as_VectorRegister($src2$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vmaskcast(vRegMask dst_src) %{
  match(Set dst_src (VectorMaskCast dst_src));
  ins_cost(0);
  format %{ "vmaskcast $dst_src, $dst_src\t# do nothing" %}
  ins_encode(/* empty encoding */);
  ins_pipe(pipe_class_empty);
%}

// vector load/store - predicated

instruct loadV_masked(vReg dst, vmemA mem, vRegMask_V0 v0) %{
  match(Set dst (LoadVectorMasked mem v0));
  format %{ "loadV_masked $dst, $mem, $v0" %}
  ins_encode %{
    VectorRegister dst_reg = as_VectorRegister($dst$$reg);
    loadStore(C2_MacroAssembler(&cbuf), false, dst_reg,
              Matcher::vector_element_basic_type(this), as_Register($mem$$base),
              Matcher::vector_length(this), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct storeV_masked(vReg src, vmemA mem, vRegMask_V0 v0) %{
  match(Set mem (StoreVectorMasked mem (Binary src v0)));
  format %{ "storeV_masked $mem, $src, $v0" %}
  ins_encode %{
    VectorRegister src_reg = as_VectorRegister($src$$reg);
    loadStore(C2_MacroAssembler(&cbuf), true, src_reg,
              Matcher::vector_element_basic_type(this, $src), as_Register($mem$$base),
              Matcher::vector_length(this, $src), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// ------------------------------ Vector blend ---------------------------------

instruct vblend(vReg dst, vReg src1, vReg src2, vRegMask_V0 v0) %{
  match(Set dst (VectorBlend (Binary src1 src2) v0));
  format %{ "vblend $dst, $src1, $src2, v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vmerge_vvm(as_VectorRegister($dst$$reg), as_VectorRegister($src1$$reg),
                  as_VectorRegister($src2$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// ------------------------------ Vector cast ----------------------------------

// VectorCastB2X

instruct vcvtBtoX(vReg dst, vReg src) %{
  match(Set dst (VectorCastB2X src));
  effect(TEMP_DEF dst);
  format %{ "vcvtBtoX $dst, $src" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    if (is_floating_point_type(bt)) {
      __ integer_extend_v(as_VectorRegister($dst$$reg), bt == T_FLOAT ? T_INT : T_LONG,
                          Matcher::vector_length(this), as_VectorRegister($src$$reg), T_BYTE);
      __ vfcvt_f_x_v(as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg));
    } else {
      __ integer_extend_v(as_VectorRegister($dst$$reg), bt, 
                          Matcher::vector_length(this), as_VectorRegister($src$$reg), T_BYTE);
    }
  %}
  ins_pipe(pipe_slow);
%}

// VectorCastS2X

instruct vcvtStoB(vReg dst, vReg src) %{
  predicate(Matcher::vector_element_basic_type(n) == T_BYTE);
  match(Set dst (VectorCastS2X src));
  format %{ "vcvtStoB $dst, $src" %}
  ins_encode %{
    __ integer_narrow_v(as_VectorRegister($dst$$reg), T_BYTE, Matcher::vector_length(this),
                        as_VectorRegister($src$$reg), T_SHORT);
  %}
  ins_pipe(pipe_slow);
%}

instruct vcvtStoX_extend(vReg dst, vReg src) %{
  predicate((Matcher::vector_element_basic_type(n) == T_INT ||
             Matcher::vector_element_basic_type(n) == T_LONG));
  match(Set dst (VectorCastS2X src));
  effect(TEMP_DEF dst);
  format %{ "vcvtStoX_extend $dst, $src" %}
  ins_encode %{
    __ integer_extend_v(as_VectorRegister($dst$$reg), Matcher::vector_element_basic_type(this),
                        Matcher::vector_length(this), as_VectorRegister($src$$reg), T_SHORT);
  %}
  ins_pipe(pipe_slow);
%}

instruct vcvtStoX_fp_extend(vReg dst, vReg src) %{
  predicate((Matcher::vector_element_basic_type(n) == T_FLOAT ||
             Matcher::vector_element_basic_type(n) == T_DOUBLE));
  match(Set dst (VectorCastS2X src));
  effect(TEMP_DEF dst);
  format %{ "vcvtStoX_fp_extend $dst, $src" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ integer_extend_v(as_VectorRegister($dst$$reg), (bt == T_FLOAT ? T_INT : T_LONG),
                        Matcher::vector_length(this), as_VectorRegister($src$$reg), T_SHORT);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vfcvt_f_x_v(as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// VectorCastI2X

instruct vcvtItoX_narrow(vReg dst, vReg src) %{
  predicate((Matcher::vector_element_basic_type(n) == T_BYTE ||
             Matcher::vector_element_basic_type(n) == T_SHORT));
  match(Set dst (VectorCastI2X src));
  format %{ "vcvtItoX_narrow $dst, $src" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ integer_narrow_v(as_VectorRegister($dst$$reg), bt, Matcher::vector_length(this),
                        as_VectorRegister($src$$reg), T_INT);
  %}
  ins_pipe(pipe_slow);
%}

instruct vcvtItoL(vReg dst, vReg src) %{
  predicate(Matcher::vector_element_basic_type(n) == T_LONG);
  match(Set dst (VectorCastI2X src));
  effect(TEMP_DEF dst);
  format %{ "vcvtItoL $dst, $src" %}
  ins_encode %{
    __ integer_extend_v(as_VectorRegister($dst$$reg), T_LONG,
                        Matcher::vector_length(this), as_VectorRegister($src$$reg), T_INT);
  %}
  ins_pipe(pipe_slow);
%}

instruct vcvtItoF(vReg dst, vReg src) %{
  predicate(Matcher::vector_element_basic_type(n) == T_FLOAT);
  match(Set dst (VectorCastI2X src));
  format %{ "vcvtItoF $dst, $src" %}
  ins_encode %{
    __ vsetvli_helper(T_FLOAT, Matcher::vector_length(this));
    __ vfcvt_f_x_v(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vcvtItoD(vReg dst, vReg src) %{
  predicate(Matcher::vector_element_basic_type(n) == T_DOUBLE);
  match(Set dst (VectorCastI2X src));
  effect(TEMP_DEF dst);
  format %{ "vcvtItoD $dst, $src" %}
  ins_encode %{
    __ vsetvli_helper(T_INT, Matcher::vector_length(this), Assembler::mf2);
    __ vfwcvt_f_x_v(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// VectorCastL2X

instruct vcvtLtoI(vReg dst, vReg src) %{
  predicate(Matcher::vector_element_basic_type(n) == T_INT ||
            Matcher::vector_element_basic_type(n) == T_BYTE ||
            Matcher::vector_element_basic_type(n) == T_SHORT);
  match(Set dst (VectorCastL2X src));
  format %{ "vcvtLtoI $dst, $src" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ integer_narrow_v(as_VectorRegister($dst$$reg), bt, Matcher::vector_length(this),
                        as_VectorRegister($src$$reg), T_LONG);
  %}
  ins_pipe(pipe_slow);
%}

instruct vcvtLtoF(vReg dst, vReg src) %{
  predicate(Matcher::vector_element_basic_type(n) == T_FLOAT);
  match(Set dst (VectorCastL2X src));
  format %{ "vcvtLtoF $dst, $src" %}
  ins_encode %{
    __ vsetvli_helper(T_FLOAT, Matcher::vector_length(this), Assembler::mf2);
    __ vfncvt_f_x_w(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vcvtLtoD(vReg dst, vReg src) %{
  predicate(Matcher::vector_element_basic_type(n) == T_DOUBLE);
  match(Set dst (VectorCastL2X src));
  format %{ "vcvtLtoD $dst, $src" %}
  ins_encode %{
    __ vsetvli_helper(T_DOUBLE, Matcher::vector_length(this));
    __ vfcvt_f_x_v(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// VectorCastF2X

instruct vcvtFtoX_narrow(vReg dst, vReg src, vRegMask_V0 v0) %{
  predicate(Matcher::vector_element_basic_type(n) == T_BYTE ||
            Matcher::vector_element_basic_type(n) == T_SHORT);
  match(Set dst (VectorCastF2X src));
  effect(TEMP_DEF dst, TEMP v0);
  format %{ "vcvtFtoX_narrow $dst, $src" %}
  ins_encode %{
    __ vsetvli_helper(T_FLOAT, Matcher::vector_length(this));
    __ vfcvt_rtz_x_f_v_safe(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg));
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ integer_narrow_v(as_VectorRegister($dst$$reg), bt, Matcher::vector_length(this),
                        as_VectorRegister($dst$$reg), T_INT);
  %}
  ins_pipe(pipe_slow);
%}

instruct vcvtFtoI(vReg dst, vReg src, vRegMask_V0 v0) %{
  predicate(Matcher::vector_element_basic_type(n) == T_INT);
  match(Set dst (VectorCastF2X src));
  effect(TEMP_DEF dst, TEMP v0);
  format %{ "vcvtFtoI $dst, $src" %}
  ins_encode %{
    __ vsetvli_helper(T_FLOAT, Matcher::vector_length(this));
    __ vfcvt_rtz_x_f_v_safe(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vcvtFtoL(vReg dst, vReg src, vRegMask_V0 v0) %{
  predicate(Matcher::vector_element_basic_type(n) == T_LONG);
  match(Set dst (VectorCastF2X src));
  effect(TEMP_DEF dst, TEMP v0);
  format %{ "vcvtFtoL $dst, $src" %}
  ins_encode %{
    __ vsetvli_helper(T_LONG, Matcher::vector_length(this));
    __ vxor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg));
    __ vsetvli_helper(T_FLOAT, Matcher::vector_length(this), Assembler::mf2);
    __ vmfeq_vv(as_VectorRegister($v0$$reg), as_VectorRegister($src$$reg), as_VectorRegister($src$$reg));
    __ vfwcvt_rtz_x_f_v(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

instruct vcvtFtoD(vReg dst, vReg src) %{
  predicate(Matcher::vector_element_basic_type(n) == T_DOUBLE);
  match(Set dst (VectorCastF2X src));
  effect(TEMP_DEF dst);
  format %{ "vcvtFtoD $dst, $src" %}
  ins_encode %{
    __ vsetvli_helper(T_FLOAT, Matcher::vector_length(this), Assembler::mf2);
    __ vfwcvt_f_f_v(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// VectorCastD2X

instruct vcvtDtoX_narrow(vReg dst, vReg src, vRegMask_V0 v0) %{
  predicate(Matcher::vector_element_basic_type(n) == T_BYTE ||
            Matcher::vector_element_basic_type(n) == T_SHORT ||
            Matcher::vector_element_basic_type(n) == T_INT);
  match(Set dst (VectorCastD2X src));
  effect(TEMP_DEF dst, TEMP v0);
  format %{ "vcvtDtoX_narrow $dst, $src" %}
  ins_encode %{
    __ vsetvli_helper(T_DOUBLE, Matcher::vector_length(this));
    __ vmfeq_vv(as_VectorRegister($v0$$reg), as_VectorRegister($src$$reg), as_VectorRegister($src$$reg));
    __ vsetvli_helper(T_INT, Matcher::vector_length(this), Assembler::mf2);
    __ vxor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg));
    __ vfncvt_rtz_x_f_w(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), Assembler::v0_t);
    BasicType bt = Matcher::vector_element_basic_type(this);
    if (bt == T_BYTE || bt == T_SHORT) {
      __ integer_narrow_v(as_VectorRegister($dst$$reg), bt, Matcher::vector_length(this),
                          as_VectorRegister($dst$$reg), T_INT);
    }
  %}
  ins_pipe(pipe_slow);
%}

instruct vcvtDtoL(vReg dst, vReg src, vRegMask_V0 v0) %{
  predicate(Matcher::vector_element_basic_type(n) == T_LONG);
  match(Set dst (VectorCastD2X src));
  effect(TEMP_DEF dst, TEMP v0);
  format %{ "vcvtDtoL $dst, $src" %}
  ins_encode %{
    __ vsetvli_helper(T_LONG, Matcher::vector_length(this));
    __ vfcvt_rtz_x_f_v_safe(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vcvtDtoF(vReg dst, vReg src) %{
  predicate(Matcher::vector_element_basic_type(n) == T_FLOAT);
  match(Set dst (VectorCastD2X src));
  format %{ "vcvtDtoF $dst, $src" %}
  ins_encode %{
    __ vsetvli_helper(T_FLOAT, Matcher::vector_length(this), Assembler::mf2);
    __ vfncvt_f_f_w(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// ------------------------------ Vector reinterpret ---------------------------

instruct reinterpret(vReg dst_src) %{
  predicate(Matcher::vector_length_in_bytes(n) == Matcher::vector_length_in_bytes(n->in(1)));
  match(Set dst_src (VectorReinterpret dst_src));
  ins_cost(0);
  format %{ "# reinterpret $dst_src, $dst_src\t# do nothing" %}
  ins_encode %{
    // empty
  %}
  ins_pipe(pipe_class_empty);
%}

instruct reinterpretResize(vReg dst, vReg src) %{
  predicate(Matcher::vector_length_in_bytes(n) != Matcher::vector_length_in_bytes(n->in(1)));
  match(Set dst (VectorReinterpret src));
  effect(TEMP_DEF dst);
  format %{ "reinterpretResize $dst, $src" %}
  ins_encode %{
    uint length_in_bytes_src = Matcher::vector_length_in_bytes(this, $src);
    uint length_in_bytes_dst = Matcher::vector_length_in_bytes(this);
    uint length_in_bytes_resize = length_in_bytes_src < length_in_bytes_dst ?
                                  length_in_bytes_src : length_in_bytes_dst;
    assert(length_in_bytes_src <= MaxVectorSize && length_in_bytes_dst <= MaxVectorSize,
           "invalid vector length");
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vxor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg));
    __ vsetvli_helper(T_BYTE, length_in_bytes_resize);
    __ vmv_v_v(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// vector mask reinterpret

instruct vmask_reinterpret_same_esize(vRegMask dst_src) %{
  predicate(Matcher::vector_length(n) == Matcher::vector_length(n->in(1)) &&
            Matcher::vector_length_in_bytes(n) == Matcher::vector_length_in_bytes(n->in(1)));
  match(Set dst_src (VectorReinterpret dst_src));
  ins_cost(0);
  format %{ "vmask_reinterpret_same_esize $dst_src, $dst_src\t# do nothing" %}
  ins_encode(/* empty encoding */);
  ins_pipe(pipe_class_empty);
%}

instruct vmask_reinterpret_diff_esize(vRegMask dst, vRegMask_V0 src, vReg tmp) %{
  predicate(Matcher::vector_length(n) != Matcher::vector_length(n->in(1)) &&
            Matcher::vector_length_in_bytes(n) == Matcher::vector_length_in_bytes(n->in(1)));
  match(Set dst (VectorReinterpret src));
  effect(TEMP tmp);
  format %{ "vmask_reinterpret_diff_esize $dst, $src\t# KILL $tmp" %}
  ins_encode %{
    BasicType from_bt = Matcher::vector_element_basic_type(this, $src);
    __ vsetvli_helper(from_bt, Matcher::vector_length(this, $src));
    __ vxor_vv(as_VectorRegister($tmp$$reg), as_VectorRegister($tmp$$reg), as_VectorRegister($tmp$$reg));
    __ vmerge_vim(as_VectorRegister($tmp$$reg), as_VectorRegister($tmp$$reg), -1);
    BasicType to_bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(to_bt, Matcher::vector_length(this));
    __ vmseq_vi(as_VectorRegister($dst$$reg), as_VectorRegister($tmp$$reg), -1);
  %}
  ins_pipe(pipe_slow);
%}

// ------------------------------ Vector rearrange -----------------------------

instruct rearrange(vReg dst, vReg src, vReg shuffle) %{
  match(Set dst (VectorRearrange src shuffle));
  effect(TEMP_DEF dst);
  format %{ "rearrange $dst, $src, $shuffle" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vrgather_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
                   as_VectorRegister($shuffle$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct rearrange_masked(vReg dst, vReg src, vReg shuffle, vRegMask_V0 v0) %{
  match(Set dst (VectorRearrange (Binary src shuffle) v0));
  effect(TEMP_DEF dst);
  format %{ "rearrange_masked $dst, $src, $shuffle, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vxor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg),
               as_VectorRegister($dst$$reg));
    __ vrgather_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
                   as_VectorRegister($shuffle$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// ------------------------------ Vector extract ---------------------------------

instruct extract(iRegINoSp dst, vReg src, immI idx, vReg tmp)
%{
  match(Set dst (ExtractB src idx));
  match(Set dst (ExtractS src idx));
  match(Set dst (ExtractI src idx));
  effect(TEMP tmp);
  format %{ "extract $dst, $src, $idx\t# KILL $tmp" %}
  ins_encode %{
    __ extract_v($dst$$Register, as_VectorRegister($src$$reg),
                 Matcher::vector_element_basic_type(this, $src), (int)($idx$$constant),
                 as_VectorRegister($tmp$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct extractL(iRegLNoSp dst, vReg src, immI idx, vReg tmp)
%{
  match(Set dst (ExtractL src idx));
  effect(TEMP tmp);
  format %{ "extractL $dst, $src, $idx\t# KILL $tmp" %}
  ins_encode %{
    __ extract_v($dst$$Register, as_VectorRegister($src$$reg), T_LONG,
                 (int)($idx$$constant), as_VectorRegister($tmp$$reg));
  %}
  ins_pipe(pipe_slow);
%}


instruct extractF(fRegF dst, vReg src, immI idx, vReg tmp)
%{
  match(Set dst (ExtractF src idx));
  effect(TEMP tmp);
  format %{ "extractF $dst, $src, $idx\t# KILL $tmp" %}
  ins_encode %{
    __ extract_fp_v($dst$$FloatRegister, as_VectorRegister($src$$reg), T_FLOAT,
                    (int)($idx$$constant), as_VectorRegister($tmp$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct extractD(fRegD dst, vReg src, immI idx, vReg tmp)
%{
  match(Set dst (ExtractD src idx));
  effect(TEMP tmp);
  format %{ "extractD $dst, $src, $idx\t# KILL $tmp" %}
  ins_encode %{
    __ extract_fp_v($dst$$FloatRegister, as_VectorRegister($src$$reg), T_DOUBLE,
                    (int)($idx$$constant), as_VectorRegister($tmp$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// ------------------------------ Compress/Expand Operations -------------------

instruct mcompress(vRegMask dst, vRegMask src, vReg tmp) %{
  match(Set dst (CompressM src));
  effect(TEMP tmp);
  format %{ "mcompress $dst, $src\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vid_v(as_VectorRegister($tmp$$reg));
    __ vcpop_m(t0, as_VectorRegister($src$$reg));
    __ vmsltu_vx(as_VectorRegister($dst$$reg), as_VectorRegister($tmp$$reg), t0);
  %}
  ins_pipe(pipe_slow);
%}

instruct vcompress(vReg dst, vReg src, vRegMask_V0 v0) %{
  match(Set dst (CompressV src v0));
  effect(TEMP_DEF dst);
  format %{ "vcompress $dst, $src, $v0" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vxor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg),
               as_VectorRegister($dst$$reg));
    __ vcompress_vm(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
                    as_VectorRegister($v0$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct vexpand(vReg dst, vReg src, vRegMask_V0 v0, vReg tmp) %{
  match(Set dst (ExpandV src v0));
  effect(TEMP_DEF dst, TEMP tmp);
  format %{ "vexpand $dst, $src, $v0\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ viota_m(as_VectorRegister($tmp$$reg), as_VectorRegister($v0$$reg));
    __ vxor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg),
               as_VectorRegister($dst$$reg));
    __ vrgather_vv(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg),
                   as_VectorRegister($tmp$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// ------------------------------ Vector Load Gather ---------------------------

instruct gather_load(vReg dst, indirect mem, vReg idx) %{
  predicate(type2aelembytes(Matcher::vector_element_basic_type(n)) == 4 ||
            type2aelembytes(Matcher::vector_element_basic_type(n)) == 8);
  match(Set dst (LoadVectorGather mem idx));
  effect(TEMP_DEF dst);
  format %{ "gather_load $dst, $mem, $idx" %}
  ins_encode %{
    __ vmv1r_v(as_VectorRegister($dst$$reg), as_VectorRegister($idx$$reg));
    BasicType bt = Matcher::vector_element_basic_type(this);
    Assembler::SEW sew = Assembler::elemtype_to_sew(bt);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vsll_vi(as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg), (int)sew);
    __ vluxei32_v(as_VectorRegister($dst$$reg), as_Register($mem$$base),
                  as_VectorRegister($dst$$reg));
 %}
  ins_pipe(pipe_slow);
%}

instruct gather_load_masked(vReg dst, indirect mem, vReg idx, vRegMask_V0 v0, vReg tmp) %{
  predicate(type2aelembytes(Matcher::vector_element_basic_type(n)) == 4 ||
            type2aelembytes(Matcher::vector_element_basic_type(n)) == 8);
  match(Set dst (LoadVectorGatherMasked mem (Binary idx v0)));
  effect(TEMP_DEF dst, TEMP tmp);
  format %{ "gather_load_masked $dst, $mem, $idx, $v0\t# KILL $tmp" %}
  ins_encode %{
    __ vmv1r_v(as_VectorRegister($tmp$$reg), as_VectorRegister($idx$$reg));
    BasicType bt = Matcher::vector_element_basic_type(this);
    Assembler::SEW sew = Assembler::elemtype_to_sew(bt);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vsll_vi(as_VectorRegister($tmp$$reg), as_VectorRegister($tmp$$reg), (int)sew);
    __ vxor_vv(as_VectorRegister($dst$$reg), as_VectorRegister($dst$$reg),
               as_VectorRegister($dst$$reg));
    __ vluxei32_v(as_VectorRegister($dst$$reg), as_Register($mem$$base),
                  as_VectorRegister($tmp$$reg), Assembler::v0_t);
 %}
  ins_pipe(pipe_slow);
%}

// ------------------------------ Vector Store Scatter -------------------------

instruct scatter_store(indirect mem, vReg src, vReg idx, vReg tmp) %{
  predicate(type2aelembytes(Matcher::vector_element_basic_type(n->in(3)->in(1))) == 4 ||
            type2aelembytes(Matcher::vector_element_basic_type(n->in(3)->in(1))) == 8);
  match(Set mem (StoreVectorScatter mem (Binary src idx)));
  effect(TEMP tmp);
  format %{ "scatter_store $mem, $idx, $src\t# KILL $tmp" %}
  ins_encode %{
    __ vmv1r_v(as_VectorRegister($tmp$$reg), as_VectorRegister($idx$$reg));
    BasicType bt = Matcher::vector_element_basic_type(this, $src);
    Assembler::SEW sew = Assembler::elemtype_to_sew(bt);
    __ vsetvli_helper(bt, Matcher::vector_length(this, $src));
    __ vsll_vi(as_VectorRegister($tmp$$reg), as_VectorRegister($tmp$$reg), (int)sew);
    __ vsuxei32_v(as_VectorRegister($src$$reg), as_Register($mem$$base),
                  as_VectorRegister($tmp$$reg));
  %}
  ins_pipe(pipe_slow);
%}

instruct scatter_store_masked(indirect mem, vReg src, vReg idx, vRegMask_V0 v0, vReg tmp) %{
  predicate(type2aelembytes(Matcher::vector_element_basic_type(n->in(3)->in(1))) == 4 ||
            type2aelembytes(Matcher::vector_element_basic_type(n->in(3)->in(1))) == 8);
  match(Set mem (StoreVectorScatterMasked mem (Binary src (Binary idx v0))));
  effect(TEMP tmp);
  format %{ "scatter_store_masked $mem, $idx, $src, $v0\t# KILL $tmp" %}
  ins_encode %{
    __ vmv1r_v(as_VectorRegister($tmp$$reg), as_VectorRegister($idx$$reg));
    BasicType bt = Matcher::vector_element_basic_type(this, $src);
    Assembler::SEW sew = Assembler::elemtype_to_sew(bt);
    __ vsetvli_helper(bt, Matcher::vector_length(this, $src));
    __ vsll_vi(as_VectorRegister($tmp$$reg), as_VectorRegister($tmp$$reg), (int)sew);
    __ vsuxei32_v(as_VectorRegister($src$$reg), as_Register($mem$$base),
                  as_VectorRegister($tmp$$reg), Assembler::v0_t);
  %}
  ins_pipe(pipe_slow);
%}

// ------------------------------ Populate Index to a Vector -------------------

instruct populateindex(vReg dst, iRegIorL2I src1, iRegIorL2I src2, vReg tmp) %{
  match(Set dst (PopulateIndex src1 src2));
  effect(TEMP_DEF dst, TEMP tmp);
  format %{ "populateindex $dst, $src1, $src2\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    Assembler::SEW sew = Assembler::elemtype_to_sew(bt);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vmv_v_x(as_VectorRegister($dst$$reg), as_Register($src1$$reg));
    __ vid_v(as_VectorRegister($tmp$$reg));
    __ vmacc_vx(as_VectorRegister($dst$$reg), as_Register($src2$$reg), as_VectorRegister($tmp$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// ------------------------------ Vector insert --------------------------------

// BYTE, SHORT, INT

instruct insertI_index_lt32(vReg dst, vReg src, iRegIorL2I val, immI idx, vRegMask_V0 v0) %{
  predicate(n->in(2)->get_int() < 32 &&
            (Matcher::vector_element_basic_type(n) == T_BYTE ||
             Matcher::vector_element_basic_type(n) == T_SHORT ||
             Matcher::vector_element_basic_type(n) == T_INT));
  match(Set dst (VectorInsert (Binary src val) idx));
  effect(TEMP v0);
  format %{ "insertI_index_lt32 $dst, $src, $val, $idx" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vid_v(as_VectorRegister($v0$$reg));
    __ vadd_vi(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg), -16);
    __ vmseq_vi(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg), (int)($idx$$constant) - 16);
    __ vmerge_vxm(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), $val$$Register);
  %}
  ins_pipe(pipe_slow);
%}

instruct insertI_index(vReg dst, vReg src, iRegIorL2I val, iRegIorL2I idx, vReg tmp, vRegMask_V0 v0) %{
  predicate(n->in(2)->get_int() >= 32 &&
            (Matcher::vector_element_basic_type(n) == T_BYTE ||
             Matcher::vector_element_basic_type(n) == T_SHORT ||
             Matcher::vector_element_basic_type(n) == T_INT));
  match(Set dst (VectorInsert (Binary src val) idx));
  effect(TEMP tmp, TEMP v0);
  format %{ "insertI_index $dst, $src, $val, $idx\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vid_v(as_VectorRegister($v0$$reg));
    __ vmv_v_x(as_VectorRegister($tmp$$reg), $idx$$Register);
    __ vmseq_vv(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg), as_VectorRegister($tmp$$reg));
    __ vmerge_vxm(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), $val$$Register);
  %}
  ins_pipe(pipe_slow);
%}

// LONG

instruct insertL_index_lt32(vReg dst, vReg src, iRegL val, immI idx, vRegMask_V0 v0) %{
  predicate(n->in(2)->get_int() < 32 &&
            (Matcher::vector_element_basic_type(n) == T_LONG));
  match(Set dst (VectorInsert (Binary src val) idx));
  effect(TEMP v0);
  format %{ "insertL_index_lt32 $dst, $src, $val, $idx" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vid_v(as_VectorRegister($v0$$reg));
    __ vadd_vi(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg), -16);
    __ vmseq_vi(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg), (int)($idx$$constant) - 16);
    __ vmerge_vxm(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), $val$$Register);
  %}
  ins_pipe(pipe_slow);
%}

instruct insertL_index(vReg dst, vReg src, iRegL val, iRegIorL2I idx, vReg tmp, vRegMask_V0 v0) %{
  predicate(n->in(2)->get_int() >= 32 &&
            (Matcher::vector_element_basic_type(n) == T_LONG));
  match(Set dst (VectorInsert (Binary src val) idx));
  effect(TEMP tmp, TEMP v0);
  format %{ "insertL_index $dst, $src, $val, $idx\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this);
    __ vsetvli_helper(bt, Matcher::vector_length(this));
    __ vid_v(as_VectorRegister($v0$$reg));
    __ vmv_v_x(as_VectorRegister($tmp$$reg), $idx$$Register);
    __ vmseq_vv(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg), as_VectorRegister($tmp$$reg));
    __ vmerge_vxm(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), $val$$Register);
  %}
  ins_pipe(pipe_slow);
%}

// FLOAT

instruct insertF_index_lt32(vReg dst, vReg src, fRegF val, immI idx, vRegMask_V0 v0) %{
  predicate(n->in(2)->get_int() < 32 &&
            (Matcher::vector_element_basic_type(n) == T_FLOAT));
  match(Set dst (VectorInsert (Binary src val) idx));
  effect(TEMP v0);
  format %{ "insertF_index_lt32 $dst, $src, $val, $idx" %}
  ins_encode %{
    __ vsetvli_helper(T_FLOAT, Matcher::vector_length(this));
    __ vid_v(as_VectorRegister($v0$$reg));
    __ vadd_vi(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg), -16);
    __ vmseq_vi(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg), (int)($idx$$constant) - 16);
    __ vfmerge_vfm(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), $val$$FloatRegister);
  %}
  ins_pipe(pipe_slow);
%}

instruct insertF_index(vReg dst, vReg src, fRegF val, iRegIorL2I idx, vReg tmp, vRegMask_V0 v0) %{
  predicate(n->in(2)->get_int() >= 32 &&
            (Matcher::vector_element_basic_type(n) == T_FLOAT));
  match(Set dst (VectorInsert (Binary src val) idx));
  effect(TEMP tmp, TEMP v0);
  format %{ "insertF_index $dst, $src, $val, $idx\t# KILL $tmp" %}
  ins_encode %{
    __ vsetvli_helper(T_FLOAT, Matcher::vector_length(this));
    __ vid_v(as_VectorRegister($v0$$reg));
    __ vmv_v_x(as_VectorRegister($tmp$$reg), $idx$$Register);
    __ vmseq_vv(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg), as_VectorRegister($tmp$$reg));
    __ vfmerge_vfm(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), $val$$FloatRegister);
  %}
  ins_pipe(pipe_slow);
%}

// DOUBLE

instruct insertD_index_lt32(vReg dst, vReg src, fRegD val, immI idx, vRegMask_V0 v0) %{
  predicate(n->in(2)->get_int() < 32 &&
            (Matcher::vector_element_basic_type(n) == T_DOUBLE));
  match(Set dst (VectorInsert (Binary src val) idx));
  effect(TEMP v0);
  format %{ "insertD_index_lt32 $dst, $src, $val, $idx" %}
  ins_encode %{
    __ vsetvli_helper(T_DOUBLE, Matcher::vector_length(this));
    __ vid_v(as_VectorRegister($v0$$reg));
    __ vadd_vi(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg), -16);
    __ vmseq_vi(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg), (int)($idx$$constant) - 16);
    __ vfmerge_vfm(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), $val$$FloatRegister);
  %}
  ins_pipe(pipe_slow);
%}

instruct insertD_index(vReg dst, vReg src, fRegD val, iRegIorL2I idx, vReg tmp, vRegMask_V0 v0) %{
  predicate(n->in(2)->get_int() >= 32 &&
            (Matcher::vector_element_basic_type(n) == T_DOUBLE));
  match(Set dst (VectorInsert (Binary src val) idx));
  effect(TEMP tmp, TEMP v0);
  format %{ "insertD_index $dst, $src, $val, $idx\t# KILL $tmp" %}
  ins_encode %{
    __ vsetvli_helper(T_DOUBLE, Matcher::vector_length(this));
    __ vid_v(as_VectorRegister($v0$$reg));
    __ vmv_v_x(as_VectorRegister($tmp$$reg), $idx$$Register);
    __ vmseq_vv(as_VectorRegister($v0$$reg), as_VectorRegister($v0$$reg), as_VectorRegister($tmp$$reg));
    __ vfmerge_vfm(as_VectorRegister($dst$$reg), as_VectorRegister($src$$reg), $val$$FloatRegister);
  %}
  ins_pipe(pipe_slow);
%}

// ------------------------------ Vector mask reductions -----------------------

// true count

instruct vmask_truecount(iRegINoSp dst, vRegMask src) %{
  match(Set dst (VectorMaskTrueCount src));
  format %{ "vmask_truecount $dst, $src" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src);
    __ vsetvli_helper(bt, Matcher::vector_length(this, $src));
    __ vcpop_m($dst$$Register, as_VectorRegister($src$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// first true

// Return the index of the first mask lane that is set, or vector length if none of
// them are set.

instruct vmask_firsttrue(iRegINoSp dst, vRegMask src, vRegMask tmp) %{
  match(Set dst (VectorMaskFirstTrue src));
  effect(TEMP tmp);
  format %{ "vmask_firsttrue $dst, $src\t# KILL $tmp" %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $src);
    __ vsetvli_helper(bt, Matcher::vector_length(this, $src));
    __ vmsbf_m(as_VectorRegister($tmp$$reg), as_VectorRegister($src$$reg));
    __ vcpop_m($dst$$Register, as_VectorRegister($tmp$$reg));
  %}
  ins_pipe(pipe_slow);
%}

// last true

// Return the index of the first last lane that is set, or -1 if none of
// them are set.

instruct vmask_lasttrue(iRegINoSp dst, vRegMask src) %{
  match(Set dst (VectorMaskLastTrue src));
  format %{ "vmask_lasttrue $dst, $src" %}
  ins_encode %{
    uint vector_length = Matcher::vector_length(this, $src);
    assert(UseZbb && vector_length <= XLEN, "precondition");
    __ vsetvli_helper(T_LONG, 1);
    __ vmv_x_s($dst$$Register, as_VectorRegister($src$$reg));
    if (XLEN != vector_length) {
      __ slli($dst$$Register, $dst$$Register, XLEN - vector_length);
      __ srli($dst$$Register, $dst$$Register, XLEN - vector_length);
    }
    __ clz($dst$$Register, $dst$$Register);
    __ mv(t0, XLEN - 1);
    __ sub($dst$$Register, t0, $dst$$Register);
  %}
  ins_pipe(pipe_slow);
%}

// tolong

instruct vmask_tolong(iRegLNoSp dst, vRegMask src) %{
  match(Set dst (VectorMaskToLong src));
  format %{ "vmask_tolong $dst, $src" %}
  ins_encode %{
    uint vector_length = Matcher::vector_length(this, $src);
    assert(vector_length <= XLEN, "precondition");
    __ vsetvli_helper(T_LONG, 1);
    __ vmv_x_s($dst$$Register, as_VectorRegister($src$$reg));
    if (XLEN != vector_length) {
      __ slli($dst$$Register, $dst$$Register, XLEN - vector_length);
      __ srli($dst$$Register, $dst$$Register, XLEN - vector_length);
    }
  %}
  ins_pipe(pipe_slow);
%}

// fromlong

instruct vmask_fromlong(vRegMask dst, iRegL src) %{
  match(Set dst (VectorLongToMask src));
  format %{ "vmask_fromlong $dst, $src" %}
  ins_encode %{
    assert(Matcher::vector_length(this) <= XLEN, "precondition");
    __ vsetvli_helper(T_LONG, 1);
    __ vmv_s_x(as_VectorRegister($dst$$reg), $src$$Register);
  %}
  ins_pipe(pipe_slow);
%}

// ------------------------------ VectorTest -----------------------------------

// anytrue

// Not matched. Condition is negated and value zero is moved to the right side in CMoveINode::Ideal.

// instruct cmovI_vtest_anytrue(iRegINoSp dst, cmpOp cop, vRegMask op1, vRegMask op2, immI0 zero, immI_1 one) %{
//   predicate(n->in(1)->in(1)->as_Bool()->_test._test == BoolTest::ne &&
//             static_cast<const VectorTestNode*>(n->in(1)->in(2))->get_predicate() == BoolTest::ne);
//   match(Set dst (CMoveI (Binary cop (VectorTest op1 op2)) (Binary zero one)));
//   format %{ "CMove $dst, (vectortest $cop $op1 $op2), zero, one\t#@cmovI_vtest_anytrue"  %}
//   ins_encode %{
//     BasicType bt = Matcher::vector_element_basic_type(this, $op1);
//     uint vector_length = Matcher::vector_length(this, $op1);
//     __ vsetvli_helper(bt, vector_length);
//     __ vcpop_m($dst$$Register, as_VectorRegister($op1$$reg));
//     __ snez($dst$$Register, $dst$$Register);
//   %}
//   ins_pipe(pipe_slow);
// %}

instruct cmovI_vtest_anytrue_negate(iRegINoSp dst, cmpOp cop, vRegMask op1, vRegMask op2, immI0 zero, immI_1 one) %{
  predicate(n->in(1)->in(1)->as_Bool()->_test._test == BoolTest::eq &&
            static_cast<const VectorTestNode*>(n->in(1)->in(2))->get_predicate() == BoolTest::ne);
  match(Set dst (CMoveI (Binary cop (VectorTest op1 op2)) (Binary one zero)));
  format %{ "CMove $dst, (vectortest $cop $op1 $op2), zero, one\t#@cmovI_vtest_anytrue_negate"  %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $op1);
    uint vector_length = Matcher::vector_length(this, $op1);
    __ vsetvli_helper(bt, vector_length);
    __ vcpop_m($dst$$Register, as_VectorRegister($op1$$reg));
    __ snez($dst$$Register, $dst$$Register);
  %}
  ins_pipe(pipe_slow);
%}

// alltrue

// Not matched. Condition is negated and value zero is moved to the right side in CMoveINode::Ideal.

// instruct cmovI_vtest_alltrue(iRegINoSp dst, cmpOp cop, vRegMask op1, vRegMask op2, immI0 zero, immI_1 one) %{
//   predicate(n->in(1)->in(1)->as_Bool()->_test._test == BoolTest::eq &&
//             static_cast<const VectorTestNode*>(n->in(1)->in(2))->get_predicate() == BoolTest::overflow);
//   match(Set dst (CMoveI (Binary cop (VectorTest op1 op2)) (Binary zero one)));
//   format %{ "CMove $dst, (vectortest $cop $op1 $op2), zero, one\t#@cmovI_vtest_alltrue"  %}
//   ins_encode %{
//     BasicType bt = Matcher::vector_element_basic_type(this, $op1);
//     uint vector_length = Matcher::vector_length(this, $op1);
//     __ vsetvli_helper(bt, vector_length);
//     __ vcpop_m($dst$$Register, as_VectorRegister($op1$$reg));
//     __ sub($dst$$Register, $dst$$Register, vector_length);
//     __ seqz($dst$$Register, $dst$$Register);
//   %}
//   ins_pipe(pipe_slow);
// %}

instruct cmovI_vtest_alltrue_negate(iRegINoSp dst, cmpOp cop, vRegMask op1, vRegMask op2, immI0 zero, immI_1 one) %{
  predicate(n->in(1)->in(1)->as_Bool()->_test._test == BoolTest::ne &&
            static_cast<const VectorTestNode*>(n->in(1)->in(2))->get_predicate() == BoolTest::overflow);
  match(Set dst (CMoveI (Binary cop (VectorTest op1 op2)) (Binary one zero)));
  format %{ "CMove $dst, (vectortest $cop $op1 $op2), zero, one\t#@cmovI_vtest_alltrue_negate"  %}
  ins_encode %{
    BasicType bt = Matcher::vector_element_basic_type(this, $op1);
    uint vector_length = Matcher::vector_length(this, $op1);
    __ vsetvli_helper(bt, vector_length);
    __ vcpop_m($dst$$Register, as_VectorRegister($op1$$reg));
    __ sub($dst$$Register, $dst$$Register, vector_length);
    __ seqz($dst$$Register, $dst$$Register);
  %}
  ins_pipe(pipe_slow);
%}

// anytrue

instruct vtest_anytrue_branch(cmpOpEqNe cop, vRegMask op1, vRegMask op2, label lbl) %{
  predicate(static_cast<const VectorTestNode*>(n->in(2))->get_predicate() == BoolTest::ne);
  match(If cop (VectorTest op1 op2));
  effect(USE lbl);
  format %{ "b$cop (vectortest ne $op1, $op2) $lbl\t#@vtest_anytrue_branch" %}
  ins_encode %{
    uint vector_length = Matcher::vector_length(this, $op1);
    BasicType bt = Matcher::vector_element_basic_type(this, $op1);
    __ vsetvli_helper(bt, vector_length);
    __ vcpop_m(t0, as_VectorRegister($op1$$reg));
    __ enc_cmpEqNe_imm0_branch($cop$$cmpcode, t0, *($lbl$$label), /* is_far */ true);
  %}
  ins_pipe(pipe_slow);
%}

// alltrue

instruct vtest_alltrue_branch(cmpOpEqNe cop, vRegMask op1, vRegMask op2, label lbl) %{
  predicate(static_cast<const VectorTestNode*>(n->in(2))->get_predicate() == BoolTest::overflow);
  match(If cop (VectorTest op1 op2));
  effect(USE lbl);
  format %{ "b$cop (vectortest overflow $op1, $op2) $lbl\t#@vtest_alltrue_branch" %}
  ins_encode %{
    uint vector_length = Matcher::vector_length(this, $op1);
    BasicType bt = Matcher::vector_element_basic_type(this, $op1);
    __ vsetvli_helper(bt, vector_length);
    __ vcpop_m(t0, as_VectorRegister($op1$$reg));
    __ sub(t0, t0, vector_length);
    __ enc_cmpEqNe_imm0_branch($cop$$cmpcode, t0, *($lbl$$label), /* is_far */ true);
  %}
  ins_pipe(pipe_slow);
%}