Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 484 insertions, 0 deletions

diff --git a/js/src/jit/riscv64/extension/extension-riscv-v.h b/js/src/jit/riscv64/extension/extension-riscv-v.h
new file mode 100644
index 0000000000..8f04f24c56
--- /dev/null
+++ b/js/src/jit/riscv64/extension/extension-riscv-v.h
@@ -0,0 +1,484 @@
+// Copyright 2022 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef jit_riscv64_extension_Extension_riscv_v_h_
+#define jit_riscv64_extension_Extension_riscv_v_h_
+#ifdef CAN_USE_RVV
+#  include "jit/riscv64/Architecture-riscv64.h"
+#  include "jit/riscv64/constant/Constant-riscv64.h"
+#  include "jit/riscv64/extension/base-assembler-riscv.h"
+
+namespace js {
+namespace jit {
+
+class AssemblerRISCVV : public AssemblerRiscvBase {
+ public:
+  // RVV
+  static int32_t GenZimm(VSew vsew, Vlmul vlmul, TailAgnosticType tail = tu,
+                         MaskAgnosticType mask = mu) {
+    return (mask << 7) | (tail << 6) | ((vsew & 0x7) << 3) | (vlmul & 0x7);
+  }
+
+  void vl(VRegister vd, Register rs1, uint8_t lumop, VSew vsew,
+          MaskType mask = NoMask);
+  void vls(VRegister vd, Register rs1, Register rs2, VSew vsew,
+           MaskType mask = NoMask);
+  void vlx(VRegister vd, Register rs1, VRegister vs3, VSew vsew,
+           MaskType mask = NoMask);
+
+  void vs(VRegister vd, Register rs1, uint8_t sumop, VSew vsew,
+          MaskType mask = NoMask);
+  void vss(VRegister vd, Register rs1, Register rs2, VSew vsew,
+           MaskType mask = NoMask);
+  void vsx(VRegister vd, Register rs1, VRegister vs3, VSew vsew,
+           MaskType mask = NoMask);
+
+  void vsu(VRegister vd, Register rs1, VRegister vs3, VSew vsew,
+           MaskType mask = NoMask);
+
+#  define SegInstr(OP)  \
+    void OP##seg2(ARG); \
+    void OP##seg3(ARG); \
+    void OP##seg4(ARG); \
+    void OP##seg5(ARG); \
+    void OP##seg6(ARG); \
+    void OP##seg7(ARG); \
+    void OP##seg8(ARG);
+
+#  define ARG \
+    VRegister vd, Register rs1, uint8_t lumop, VSew vsew, MaskType mask = NoMask
+
+  SegInstr(vl) SegInstr(vs)
+#  undef ARG
+
+#  define ARG \
+    VRegister vd, Register rs1, Register rs2, VSew vsew, MaskType mask = NoMask
+
+      SegInstr(vls) SegInstr(vss)
+#  undef ARG
+
+#  define ARG \
+    VRegister vd, Register rs1, VRegister rs2, VSew vsew, MaskType mask = NoMask
+
+          SegInstr(vsx) SegInstr(vlx)
+#  undef ARG
+#  undef SegInstr
+
+      // RVV Vector Arithmetic Instruction
+
+      void vmv_vv(VRegister vd, VRegister vs1);
+  void vmv_vx(VRegister vd, Register rs1);
+  void vmv_vi(VRegister vd, uint8_t simm5);
+  void vmv_xs(Register rd, VRegister vs2);
+  void vmv_sx(VRegister vd, Register rs1);
+  void vmerge_vv(VRegister vd, VRegister vs1, VRegister vs2);
+  void vmerge_vx(VRegister vd, Register rs1, VRegister vs2);
+  void vmerge_vi(VRegister vd, uint8_t imm5, VRegister vs2);
+
+  void vredmaxu_vs(VRegister vd, VRegister vs2, VRegister vs1,
+                   MaskType mask = NoMask);
+  void vredmax_vs(VRegister vd, VRegister vs2, VRegister vs1,
+                  MaskType mask = NoMask);
+  void vredmin_vs(VRegister vd, VRegister vs2, VRegister vs1,
+                  MaskType mask = NoMask);
+  void vredminu_vs(VRegister vd, VRegister vs2, VRegister vs1,
+                   MaskType mask = NoMask);
+
+  void vadc_vv(VRegister vd, VRegister vs1, VRegister vs2);
+  void vadc_vx(VRegister vd, Register rs1, VRegister vs2);
+  void vadc_vi(VRegister vd, uint8_t imm5, VRegister vs2);
+
+  void vmadc_vv(VRegister vd, VRegister vs1, VRegister vs2);
+  void vmadc_vx(VRegister vd, Register rs1, VRegister vs2);
+  void vmadc_vi(VRegister vd, uint8_t imm5, VRegister vs2);
+
+  void vfmv_vf(VRegister vd, FPURegister fs1, MaskType mask = NoMask);
+  void vfmv_fs(FPURegister fd, VRegister vs2);
+  void vfmv_sf(VRegister vd, FPURegister fs);
+
+  void vwaddu_wx(VRegister vd, VRegister vs2, Register rs1,
+                 MaskType mask = NoMask);
+  void vid_v(VRegister vd, MaskType mask = Mask);
+
+#  define DEFINE_OPIVV(name, funct6)                           \
+    void name##_vv(VRegister vd, VRegister vs2, VRegister vs1, \
+                   MaskType mask = NoMask);
+
+#  define DEFINE_OPIVX(name, funct6)                          \
+    void name##_vx(VRegister vd, VRegister vs2, Register rs1, \
+                   MaskType mask = NoMask);
+
+#  define DEFINE_OPIVI(name, funct6)                         \
+    void name##_vi(VRegister vd, VRegister vs2, int8_t imm5, \
+                   MaskType mask = NoMask);
+
+#  define DEFINE_OPMVV(name, funct6)                           \
+    void name##_vv(VRegister vd, VRegister vs2, VRegister vs1, \
+                   MaskType mask = NoMask);
+
+#  define DEFINE_OPMVX(name, funct6)                          \
+    void name##_vx(VRegister vd, VRegister vs2, Register rs1, \
+                   MaskType mask = NoMask);
+
+#  define DEFINE_OPFVV(name, funct6)                           \
+    void name##_vv(VRegister vd, VRegister vs2, VRegister vs1, \
+                   MaskType mask = NoMask);
+
+#  define DEFINE_OPFWV(name, funct6)                           \
+    void name##_wv(VRegister vd, VRegister vs2, VRegister vs1, \
+                   MaskType mask = NoMask);
+
+#  define DEFINE_OPFRED(name, funct6)                          \
+    void name##_vs(VRegister vd, VRegister vs2, VRegister vs1, \
+                   MaskType mask = NoMask);
+
+#  define DEFINE_OPFVF(name, funct6)                             \
+    void name##_vf(VRegister vd, VRegister vs2, FPURegister fs1, \
+                   MaskType mask = NoMask);
+
+#  define DEFINE_OPFWF(name, funct6)                             \
+    void name##_wf(VRegister vd, VRegister vs2, FPURegister fs1, \
+                   MaskType mask = NoMask);
+
+#  define DEFINE_OPFVV_FMA(name, funct6)                       \
+    void name##_vv(VRegister vd, VRegister vs1, VRegister vs2, \
+                   MaskType mask = NoMask);
+
+#  define DEFINE_OPFVF_FMA(name, funct6)                         \
+    void name##_vf(VRegister vd, FPURegister fs1, VRegister vs2, \
+                   MaskType mask = NoMask);
+
+#  define DEFINE_OPMVV_VIE(name) \
+    void name(VRegister vd, VRegister vs2, MaskType mask = NoMask);
+
+  DEFINE_OPIVV(vadd, VADD_FUNCT6)
+  DEFINE_OPIVX(vadd, VADD_FUNCT6)
+  DEFINE_OPIVI(vadd, VADD_FUNCT6)
+  DEFINE_OPIVV(vsub, VSUB_FUNCT6)
+  DEFINE_OPIVX(vsub, VSUB_FUNCT6)
+  DEFINE_OPMVX(vdiv, VDIV_FUNCT6)
+  DEFINE_OPMVX(vdivu, VDIVU_FUNCT6)
+  DEFINE_OPMVX(vmul, VMUL_FUNCT6)
+  DEFINE_OPMVX(vmulhu, VMULHU_FUNCT6)
+  DEFINE_OPMVX(vmulhsu, VMULHSU_FUNCT6)
+  DEFINE_OPMVX(vmulh, VMULH_FUNCT6)
+  DEFINE_OPMVV(vdiv, VDIV_FUNCT6)
+  DEFINE_OPMVV(vdivu, VDIVU_FUNCT6)
+  DEFINE_OPMVV(vmul, VMUL_FUNCT6)
+  DEFINE_OPMVV(vmulhu, VMULHU_FUNCT6)
+  DEFINE_OPMVV(vmulhsu, VMULHSU_FUNCT6)
+  DEFINE_OPMVV(vmulh, VMULH_FUNCT6)
+  DEFINE_OPMVV(vwmul, VWMUL_FUNCT6)
+  DEFINE_OPMVV(vwmulu, VWMULU_FUNCT6)
+  DEFINE_OPMVV(vwaddu, VWADDU_FUNCT6)
+  DEFINE_OPMVV(vwadd, VWADD_FUNCT6)
+  DEFINE_OPMVV(vcompress, VCOMPRESS_FUNCT6)
+  DEFINE_OPIVX(vsadd, VSADD_FUNCT6)
+  DEFINE_OPIVV(vsadd, VSADD_FUNCT6)
+  DEFINE_OPIVI(vsadd, VSADD_FUNCT6)
+  DEFINE_OPIVX(vsaddu, VSADD_FUNCT6)
+  DEFINE_OPIVV(vsaddu, VSADDU_FUNCT6)
+  DEFINE_OPIVI(vsaddu, VSADDU_FUNCT6)
+  DEFINE_OPIVX(vssub, VSSUB_FUNCT6)
+  DEFINE_OPIVV(vssub, VSSUB_FUNCT6)
+  DEFINE_OPIVX(vssubu, VSSUBU_FUNCT6)
+  DEFINE_OPIVV(vssubu, VSSUBU_FUNCT6)
+  DEFINE_OPIVX(vrsub, VRSUB_FUNCT6)
+  DEFINE_OPIVI(vrsub, VRSUB_FUNCT6)
+  DEFINE_OPIVV(vminu, VMINU_FUNCT6)
+  DEFINE_OPIVX(vminu, VMINU_FUNCT6)
+  DEFINE_OPIVV(vmin, VMIN_FUNCT6)
+  DEFINE_OPIVX(vmin, VMIN_FUNCT6)
+  DEFINE_OPIVV(vmaxu, VMAXU_FUNCT6)
+  DEFINE_OPIVX(vmaxu, VMAXU_FUNCT6)
+  DEFINE_OPIVV(vmax, VMAX_FUNCT6)
+  DEFINE_OPIVX(vmax, VMAX_FUNCT6)
+  DEFINE_OPIVV(vand, VAND_FUNCT6)
+  DEFINE_OPIVX(vand, VAND_FUNCT6)
+  DEFINE_OPIVI(vand, VAND_FUNCT6)
+  DEFINE_OPIVV(vor, VOR_FUNCT6)
+  DEFINE_OPIVX(vor, VOR_FUNCT6)
+  DEFINE_OPIVI(vor, VOR_FUNCT6)
+  DEFINE_OPIVV(vxor, VXOR_FUNCT6)
+  DEFINE_OPIVX(vxor, VXOR_FUNCT6)
+  DEFINE_OPIVI(vxor, VXOR_FUNCT6)
+  DEFINE_OPIVV(vrgather, VRGATHER_FUNCT6)
+  DEFINE_OPIVX(vrgather, VRGATHER_FUNCT6)
+  DEFINE_OPIVI(vrgather, VRGATHER_FUNCT6)
+
+  DEFINE_OPIVX(vslidedown, VSLIDEDOWN_FUNCT6)
+  DEFINE_OPIVI(vslidedown, VSLIDEDOWN_FUNCT6)
+  DEFINE_OPIVX(vslideup, VSLIDEUP_FUNCT6)
+  DEFINE_OPIVI(vslideup, VSLIDEUP_FUNCT6)
+
+  DEFINE_OPIVV(vmseq, VMSEQ_FUNCT6)
+  DEFINE_OPIVX(vmseq, VMSEQ_FUNCT6)
+  DEFINE_OPIVI(vmseq, VMSEQ_FUNCT6)
+
+  DEFINE_OPIVV(vmsne, VMSNE_FUNCT6)
+  DEFINE_OPIVX(vmsne, VMSNE_FUNCT6)
+  DEFINE_OPIVI(vmsne, VMSNE_FUNCT6)
+
+  DEFINE_OPIVV(vmsltu, VMSLTU_FUNCT6)
+  DEFINE_OPIVX(vmsltu, VMSLTU_FUNCT6)
+
+  DEFINE_OPIVV(vmslt, VMSLT_FUNCT6)
+  DEFINE_OPIVX(vmslt, VMSLT_FUNCT6)
+
+  DEFINE_OPIVV(vmsle, VMSLE_FUNCT6)
+  DEFINE_OPIVX(vmsle, VMSLE_FUNCT6)
+  DEFINE_OPIVI(vmsle, VMSLE_FUNCT6)
+
+  DEFINE_OPIVV(vmsleu, VMSLEU_FUNCT6)
+  DEFINE_OPIVX(vmsleu, VMSLEU_FUNCT6)
+  DEFINE_OPIVI(vmsleu, VMSLEU_FUNCT6)
+
+  DEFINE_OPIVI(vmsgt, VMSGT_FUNCT6)
+  DEFINE_OPIVX(vmsgt, VMSGT_FUNCT6)
+
+  DEFINE_OPIVI(vmsgtu, VMSGTU_FUNCT6)
+  DEFINE_OPIVX(vmsgtu, VMSGTU_FUNCT6)
+
+  DEFINE_OPIVV(vsrl, VSRL_FUNCT6)
+  DEFINE_OPIVX(vsrl, VSRL_FUNCT6)
+  DEFINE_OPIVI(vsrl, VSRL_FUNCT6)
+
+  DEFINE_OPIVV(vsra, VSRA_FUNCT6)
+  DEFINE_OPIVX(vsra, VSRA_FUNCT6)
+  DEFINE_OPIVI(vsra, VSRA_FUNCT6)
+
+  DEFINE_OPIVV(vsll, VSLL_FUNCT6)
+  DEFINE_OPIVX(vsll, VSLL_FUNCT6)
+  DEFINE_OPIVI(vsll, VSLL_FUNCT6)
+
+  DEFINE_OPIVV(vsmul, VSMUL_FUNCT6)
+  DEFINE_OPIVX(vsmul, VSMUL_FUNCT6)
+
+  DEFINE_OPFVV(vfadd, VFADD_FUNCT6)
+  DEFINE_OPFVF(vfadd, VFADD_FUNCT6)
+  DEFINE_OPFVV(vfsub, VFSUB_FUNCT6)
+  DEFINE_OPFVF(vfsub, VFSUB_FUNCT6)
+  DEFINE_OPFVV(vfdiv, VFDIV_FUNCT6)
+  DEFINE_OPFVF(vfdiv, VFDIV_FUNCT6)
+  DEFINE_OPFVV(vfmul, VFMUL_FUNCT6)
+  DEFINE_OPFVF(vfmul, VFMUL_FUNCT6)
+
+  // Vector Widening Floating-Point Add/Subtract Instructions
+  DEFINE_OPFVV(vfwadd, VFWADD_FUNCT6)
+  DEFINE_OPFVF(vfwadd, VFWADD_FUNCT6)
+  DEFINE_OPFVV(vfwsub, VFWSUB_FUNCT6)
+  DEFINE_OPFVF(vfwsub, VFWSUB_FUNCT6)
+  DEFINE_OPFWV(vfwadd, VFWADD_W_FUNCT6)
+  DEFINE_OPFWF(vfwadd, VFWADD_W_FUNCT6)
+  DEFINE_OPFWV(vfwsub, VFWSUB_W_FUNCT6)
+  DEFINE_OPFWF(vfwsub, VFWSUB_W_FUNCT6)
+
+  // Vector Widening Floating-Point Reduction Instructions
+  DEFINE_OPFVV(vfwredusum, VFWREDUSUM_FUNCT6)
+  DEFINE_OPFVV(vfwredosum, VFWREDOSUM_FUNCT6)
+
+  // Vector Widening Floating-Point Multiply
+  DEFINE_OPFVV(vfwmul, VFWMUL_FUNCT6)
+  DEFINE_OPFVF(vfwmul, VFWMUL_FUNCT6)
+
+  DEFINE_OPFVV(vmfeq, VMFEQ_FUNCT6)
+  DEFINE_OPFVV(vmfne, VMFNE_FUNCT6)
+  DEFINE_OPFVV(vmflt, VMFLT_FUNCT6)
+  DEFINE_OPFVV(vmfle, VMFLE_FUNCT6)
+  DEFINE_OPFVV(vfmax, VMFMAX_FUNCT6)
+  DEFINE_OPFVV(vfmin, VMFMIN_FUNCT6)
+  DEFINE_OPFRED(vfredmax, VFREDMAX_FUNCT6)
+
+  DEFINE_OPFVV(vfsngj, VFSGNJ_FUNCT6)
+  DEFINE_OPFVF(vfsngj, VFSGNJ_FUNCT6)
+  DEFINE_OPFVV(vfsngjn, VFSGNJN_FUNCT6)
+  DEFINE_OPFVF(vfsngjn, VFSGNJN_FUNCT6)
+  DEFINE_OPFVV(vfsngjx, VFSGNJX_FUNCT6)
+  DEFINE_OPFVF(vfsngjx, VFSGNJX_FUNCT6)
+
+  // Vector Single-Width Floating-Point Fused Multiply-Add Instructions
+  DEFINE_OPFVV_FMA(vfmadd, VFMADD_FUNCT6)
+  DEFINE_OPFVF_FMA(vfmadd, VFMADD_FUNCT6)
+  DEFINE_OPFVV_FMA(vfmsub, VFMSUB_FUNCT6)
+  DEFINE_OPFVF_FMA(vfmsub, VFMSUB_FUNCT6)
+  DEFINE_OPFVV_FMA(vfmacc, VFMACC_FUNCT6)
+  DEFINE_OPFVF_FMA(vfmacc, VFMACC_FUNCT6)
+  DEFINE_OPFVV_FMA(vfmsac, VFMSAC_FUNCT6)
+  DEFINE_OPFVF_FMA(vfmsac, VFMSAC_FUNCT6)
+  DEFINE_OPFVV_FMA(vfnmadd, VFNMADD_FUNCT6)
+  DEFINE_OPFVF_FMA(vfnmadd, VFNMADD_FUNCT6)
+  DEFINE_OPFVV_FMA(vfnmsub, VFNMSUB_FUNCT6)
+  DEFINE_OPFVF_FMA(vfnmsub, VFNMSUB_FUNCT6)
+  DEFINE_OPFVV_FMA(vfnmacc, VFNMACC_FUNCT6)
+  DEFINE_OPFVF_FMA(vfnmacc, VFNMACC_FUNCT6)
+  DEFINE_OPFVV_FMA(vfnmsac, VFNMSAC_FUNCT6)
+  DEFINE_OPFVF_FMA(vfnmsac, VFNMSAC_FUNCT6)
+
+  // Vector Widening Floating-Point Fused Multiply-Add Instructions
+  DEFINE_OPFVV_FMA(vfwmacc, VFWMACC_FUNCT6)
+  DEFINE_OPFVF_FMA(vfwmacc, VFWMACC_FUNCT6)
+  DEFINE_OPFVV_FMA(vfwnmacc, VFWNMACC_FUNCT6)
+  DEFINE_OPFVF_FMA(vfwnmacc, VFWNMACC_FUNCT6)
+  DEFINE_OPFVV_FMA(vfwmsac, VFWMSAC_FUNCT6)
+  DEFINE_OPFVF_FMA(vfwmsac, VFWMSAC_FUNCT6)
+  DEFINE_OPFVV_FMA(vfwnmsac, VFWNMSAC_FUNCT6)
+  DEFINE_OPFVF_FMA(vfwnmsac, VFWNMSAC_FUNCT6)
+
+  // Vector Narrowing Fixed-Point Clip Instructions
+  DEFINE_OPIVV(vnclip, VNCLIP_FUNCT6)
+  DEFINE_OPIVX(vnclip, VNCLIP_FUNCT6)
+  DEFINE_OPIVI(vnclip, VNCLIP_FUNCT6)
+  DEFINE_OPIVV(vnclipu, VNCLIPU_FUNCT6)
+  DEFINE_OPIVX(vnclipu, VNCLIPU_FUNCT6)
+  DEFINE_OPIVI(vnclipu, VNCLIPU_FUNCT6)
+
+  // Vector Integer Extension
+  DEFINE_OPMVV_VIE(vzext_vf8)
+  DEFINE_OPMVV_VIE(vsext_vf8)
+  DEFINE_OPMVV_VIE(vzext_vf4)
+  DEFINE_OPMVV_VIE(vsext_vf4)
+  DEFINE_OPMVV_VIE(vzext_vf2)
+  DEFINE_OPMVV_VIE(vsext_vf2)
+
+#  undef DEFINE_OPIVI
+#  undef DEFINE_OPIVV
+#  undef DEFINE_OPIVX
+#  undef DEFINE_OPMVV
+#  undef DEFINE_OPMVX
+#  undef DEFINE_OPFVV
+#  undef DEFINE_OPFWV
+#  undef DEFINE_OPFVF
+#  undef DEFINE_OPFWF
+#  undef DEFINE_OPFVV_FMA
+#  undef DEFINE_OPFVF_FMA
+#  undef DEFINE_OPMVV_VIE
+#  undef DEFINE_OPFRED
+
+#  define DEFINE_VFUNARY(name, funct6, vs1)                          \
+    void name(VRegister vd, VRegister vs2, MaskType mask = NoMask) { \
+      GenInstrV(funct6, OP_FVV, vd, vs1, vs2, mask);                 \
+    }
+
+  DEFINE_VFUNARY(vfcvt_xu_f_v, VFUNARY0_FUNCT6, VFCVT_XU_F_V)
+  DEFINE_VFUNARY(vfcvt_x_f_v, VFUNARY0_FUNCT6, VFCVT_X_F_V)
+  DEFINE_VFUNARY(vfcvt_f_x_v, VFUNARY0_FUNCT6, VFCVT_F_X_V)
+  DEFINE_VFUNARY(vfcvt_f_xu_v, VFUNARY0_FUNCT6, VFCVT_F_XU_V)
+  DEFINE_VFUNARY(vfwcvt_xu_f_v, VFUNARY0_FUNCT6, VFWCVT_XU_F_V)
+  DEFINE_VFUNARY(vfwcvt_x_f_v, VFUNARY0_FUNCT6, VFWCVT_X_F_V)
+  DEFINE_VFUNARY(vfwcvt_f_x_v, VFUNARY0_FUNCT6, VFWCVT_F_X_V)
+  DEFINE_VFUNARY(vfwcvt_f_xu_v, VFUNARY0_FUNCT6, VFWCVT_F_XU_V)
+  DEFINE_VFUNARY(vfwcvt_f_f_v, VFUNARY0_FUNCT6, VFWCVT_F_F_V)
+
+  DEFINE_VFUNARY(vfncvt_f_f_w, VFUNARY0_FUNCT6, VFNCVT_F_F_W)
+  DEFINE_VFUNARY(vfncvt_x_f_w, VFUNARY0_FUNCT6, VFNCVT_X_F_W)
+  DEFINE_VFUNARY(vfncvt_xu_f_w, VFUNARY0_FUNCT6, VFNCVT_XU_F_W)
+
+  DEFINE_VFUNARY(vfclass_v, VFUNARY1_FUNCT6, VFCLASS_V)
+  DEFINE_VFUNARY(vfsqrt_v, VFUNARY1_FUNCT6, VFSQRT_V)
+  DEFINE_VFUNARY(vfrsqrt7_v, VFUNARY1_FUNCT6, VFRSQRT7_V)
+  DEFINE_VFUNARY(vfrec7_v, VFUNARY1_FUNCT6, VFREC7_V)
+#  undef DEFINE_VFUNARY
+
+  void vnot_vv(VRegister dst, VRegister src, MaskType mask = NoMask) {
+    vxor_vi(dst, src, -1, mask);
+  }
+
+  void vneg_vv(VRegister dst, VRegister src, MaskType mask = NoMask) {
+    vrsub_vx(dst, src, zero_reg, mask);
+  }
+
+  void vfneg_vv(VRegister dst, VRegister src, MaskType mask = NoMask) {
+    vfsngjn_vv(dst, src, src, mask);
+  }
+  void vfabs_vv(VRegister dst, VRegister src, MaskType mask = NoMask) {
+    vfsngjx_vv(dst, src, src, mask);
+  }
+  void vfirst_m(Register rd, VRegister vs2, MaskType mask = NoMask);
+
+  void vcpop_m(Register rd, VRegister vs2, MaskType mask = NoMask);
+
+ protected:
+  void vsetvli(Register rd, Register rs1, VSew vsew, Vlmul vlmul,
+               TailAgnosticType tail = tu, MaskAgnosticType mask = mu);
+
+  void vsetivli(Register rd, uint8_t uimm, VSew vsew, Vlmul vlmul,
+                TailAgnosticType tail = tu, MaskAgnosticType mask = mu);
+
+  inline void vsetvlmax(Register rd, VSew vsew, Vlmul vlmul,
+                        TailAgnosticType tail = tu,
+                        MaskAgnosticType mask = mu) {
+    vsetvli(rd, zero_reg, vsew, vlmul, tu, mu);
+  }
+
+  inline void vsetvl(VSew vsew, Vlmul vlmul, TailAgnosticType tail = tu,
+                     MaskAgnosticType mask = mu) {
+    vsetvli(zero_reg, zero_reg, vsew, vlmul, tu, mu);
+  }
+
+  void vsetvl(Register rd, Register rs1, Register rs2);
+
+  // ----------------------------RVV------------------------------------------
+  // vsetvl
+  void GenInstrV(Register rd, Register rs1, Register rs2);
+  // vsetvli
+  void GenInstrV(Register rd, Register rs1, uint32_t zimm);
+  // OPIVV OPFVV OPMVV
+  void GenInstrV(uint8_t funct6, OpcodeRISCVV opcode, VRegister vd,
+                 VRegister vs1, VRegister vs2, MaskType mask = NoMask);
+  void GenInstrV(uint8_t funct6, OpcodeRISCVV opcode, VRegister vd, int8_t vs1,
+                 VRegister vs2, MaskType mask = NoMask);
+  void GenInstrV(uint8_t funct6, OpcodeRISCVV opcode, VRegister vd,
+                 VRegister vs2, MaskType mask = NoMask);
+  // OPMVV OPFVV
+  void GenInstrV(uint8_t funct6, OpcodeRISCVV opcode, Register rd,
+                 VRegister vs1, VRegister vs2, MaskType mask = NoMask);
+  // OPFVV
+  void GenInstrV(uint8_t funct6, OpcodeRISCVV opcode, FPURegister fd,
+                 VRegister vs1, VRegister vs2, MaskType mask = NoMask);
+
+  // OPIVX OPMVX
+  void GenInstrV(uint8_t funct6, OpcodeRISCVV opcode, VRegister vd,
+                 Register rs1, VRegister vs2, MaskType mask = NoMask);
+  // OPFVF
+  void GenInstrV(uint8_t funct6, OpcodeRISCVV opcode, VRegister vd,
+                 FPURegister fs1, VRegister vs2, MaskType mask = NoMask);
+  // OPMVX
+  void GenInstrV(uint8_t funct6, Register rd, Register rs1, VRegister vs2,
+                 MaskType mask = NoMask);
+  // OPIVI
+  void GenInstrV(uint8_t funct6, VRegister vd, int8_t simm5, VRegister vs2,
+                 MaskType mask = NoMask);
+
+  // VL VS
+  void GenInstrV(BaseOpcode opcode, uint8_t width, VRegister vd, Register rs1,
+                 uint8_t umop, MaskType mask, uint8_t IsMop, bool IsMew,
+                 uint8_t Nf);
+
+  void GenInstrV(BaseOpcode opcode, uint8_t width, VRegister vd, Register rs1,
+                 Register rs2, MaskType mask, uint8_t IsMop, bool IsMew,
+                 uint8_t Nf);
+  // VL VS AMO
+  void GenInstrV(BaseOpcode opcode, uint8_t width, VRegister vd, Register rs1,
+                 VRegister vs2, MaskType mask, uint8_t IsMop, bool IsMew,
+                 uint8_t Nf);
+  // vmv_xs vcpop_m vfirst_m
+  void GenInstrV(uint8_t funct6, OpcodeRISCVV opcode, Register rd, uint8_t vs1,
+                 VRegister vs2, MaskType mask);
+};
+
+class LoadStoreLaneParams {
+ public:
+  int sz;
+  uint8_t laneidx;
+
+  LoadStoreLaneParams(MachineRepresentation rep, uint8_t laneidx);
+
+ private:
+  LoadStoreLaneParams(uint8_t laneidx, int sz, int lanes)
+      : sz(sz), laneidx(laneidx % lanes) {}
+};
+}  // namespace jit
+}  // namespace js
+#endif
+#endif  // jit_riscv64_extension_Extension_riscv_V_h_