/*
 * RISC-V translation routines for the vector crypto extension.
 *
 * Copyright (C) 2023 SiFive, Inc.
 * Written by Codethink Ltd and SiFive.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2 or later, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope 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 for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/*
 * Zvbc
 */

#define GEN_VV_MASKED_TRANS(NAME, CHECK)                     \
    static bool trans_##NAME(DisasContext *s, arg_rmrr *a)   \
    {                                                        \
        if (CHECK(s, a)) {                                   \
            return opivv_trans(a->rd, a->rs1, a->rs2, a->vm, \
                               gen_helper_##NAME, s);        \
        }                                                    \
        return false;                                        \
    }

static bool vclmul_vv_check(DisasContext *s, arg_rmrr *a)
{
    return opivv_check(s, a) &&
           s->cfg_ptr->ext_zvbc == true &&
           s->sew == MO_64;
}

GEN_VV_MASKED_TRANS(vclmul_vv, vclmul_vv_check)
GEN_VV_MASKED_TRANS(vclmulh_vv, vclmul_vv_check)

#define GEN_VX_MASKED_TRANS(NAME, CHECK)                     \
    static bool trans_##NAME(DisasContext *s, arg_rmrr *a)   \
    {                                                        \
        if (CHECK(s, a)) {                                   \
            return opivx_trans(a->rd, a->rs1, a->rs2, a->vm, \
                               gen_helper_##NAME, s);        \
        }                                                    \
        return false;                                        \
    }

static bool vclmul_vx_check(DisasContext *s, arg_rmrr *a)
{
    return opivx_check(s, a) &&
           s->cfg_ptr->ext_zvbc == true &&
           s->sew == MO_64;
}

GEN_VX_MASKED_TRANS(vclmul_vx, vclmul_vx_check)
GEN_VX_MASKED_TRANS(vclmulh_vx, vclmul_vx_check)

/*
 * Zvbb
 */

#define GEN_OPIVI_GVEC_TRANS_CHECK(NAME, IMM_MODE, OPIVX, SUF, CHECK)   \
    static bool trans_##NAME(DisasContext *s, arg_rmrr *a)              \
    {                                                                   \
        if (CHECK(s, a)) {                                              \
            static gen_helper_opivx *const fns[4] = {                   \
                gen_helper_##OPIVX##_b,                                 \
                gen_helper_##OPIVX##_h,                                 \
                gen_helper_##OPIVX##_w,                                 \
                gen_helper_##OPIVX##_d,                                 \
            };                                                          \
            return do_opivi_gvec(s, a, tcg_gen_gvec_##SUF, fns[s->sew], \
                                 IMM_MODE);                             \
        }                                                               \
        return false;                                                   \
    }

#define GEN_OPIVV_GVEC_TRANS_CHECK(NAME, SUF, CHECK)                     \
    static bool trans_##NAME(DisasContext *s, arg_rmrr *a)               \
    {                                                                    \
        if (CHECK(s, a)) {                                               \
            static gen_helper_gvec_4_ptr *const fns[4] = {               \
                gen_helper_##NAME##_b,                                   \
                gen_helper_##NAME##_h,                                   \
                gen_helper_##NAME##_w,                                   \
                gen_helper_##NAME##_d,                                   \
            };                                                           \
            return do_opivv_gvec(s, a, tcg_gen_gvec_##SUF, fns[s->sew]); \
        }                                                                \
        return false;                                                    \
    }

#define GEN_OPIVX_GVEC_SHIFT_TRANS_CHECK(NAME, SUF, CHECK)       \
    static bool trans_##NAME(DisasContext *s, arg_rmrr *a)       \
    {                                                            \
        if (CHECK(s, a)) {                                       \
            static gen_helper_opivx *const fns[4] = {            \
                gen_helper_##NAME##_b,                           \
                gen_helper_##NAME##_h,                           \
                gen_helper_##NAME##_w,                           \
                gen_helper_##NAME##_d,                           \
            };                                                   \
            return do_opivx_gvec_shift(s, a, tcg_gen_gvec_##SUF, \
                                       fns[s->sew]);             \
        }                                                        \
        return false;                                            \
    }

static bool zvkb_vv_check(DisasContext *s, arg_rmrr *a)
{
    return opivv_check(s, a) &&
           (s->cfg_ptr->ext_zvbb == true || s->cfg_ptr->ext_zvkb == true);
}

static bool zvkb_vx_check(DisasContext *s, arg_rmrr *a)
{
    return opivx_check(s, a) &&
           (s->cfg_ptr->ext_zvbb == true || s->cfg_ptr->ext_zvkb == true);
}

/* vrol.v[vx] */
GEN_OPIVV_GVEC_TRANS_CHECK(vrol_vv, rotlv, zvkb_vv_check)
GEN_OPIVX_GVEC_SHIFT_TRANS_CHECK(vrol_vx, rotls, zvkb_vx_check)

/* vror.v[vxi] */
GEN_OPIVV_GVEC_TRANS_CHECK(vror_vv, rotrv, zvkb_vv_check)
GEN_OPIVX_GVEC_SHIFT_TRANS_CHECK(vror_vx, rotrs, zvkb_vx_check)
GEN_OPIVI_GVEC_TRANS_CHECK(vror_vi, IMM_TRUNC_SEW, vror_vx, rotri,
                           zvkb_vx_check)

#define GEN_OPIVX_GVEC_TRANS_CHECK(NAME, SUF, CHECK)                     \
    static bool trans_##NAME(DisasContext *s, arg_rmrr *a)               \
    {                                                                    \
        if (CHECK(s, a)) {                                               \
            static gen_helper_opivx *const fns[4] = {                    \
                gen_helper_##NAME##_b,                                   \
                gen_helper_##NAME##_h,                                   \
                gen_helper_##NAME##_w,                                   \
                gen_helper_##NAME##_d,                                   \
            };                                                           \
            return do_opivx_gvec(s, a, tcg_gen_gvec_##SUF, fns[s->sew]); \
        }                                                                \
        return false;                                                    \
    }

/* vandn.v[vx] */
GEN_OPIVV_GVEC_TRANS_CHECK(vandn_vv, andc, zvkb_vv_check)
GEN_OPIVX_GVEC_TRANS_CHECK(vandn_vx, andcs, zvkb_vx_check)

#define GEN_OPIV_TRANS(NAME, CHECK)                                        \
    static bool trans_##NAME(DisasContext *s, arg_rmr *a)                  \
    {                                                                      \
        if (CHECK(s, a)) {                                                 \
            uint32_t data = 0;                                             \
            static gen_helper_gvec_3_ptr *const fns[4] = {                 \
                gen_helper_##NAME##_b,                                     \
                gen_helper_##NAME##_h,                                     \
                gen_helper_##NAME##_w,                                     \
                gen_helper_##NAME##_d,                                     \
            };                                                             \
                                                                           \
            data = FIELD_DP32(data, VDATA, VM, a->vm);                     \
            data = FIELD_DP32(data, VDATA, LMUL, s->lmul);                 \
            data = FIELD_DP32(data, VDATA, VTA, s->vta);                   \
            data = FIELD_DP32(data, VDATA, VTA_ALL_1S, s->cfg_vta_all_1s); \
            data = FIELD_DP32(data, VDATA, VMA, s->vma);                   \
            tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0),         \
                               vreg_ofs(s, a->rs2), tcg_env,               \
                               s->cfg_ptr->vlenb, s->cfg_ptr->vlenb,       \
                               data, fns[s->sew]);                         \
            finalize_rvv_inst(s);                                          \
            return true;                                                   \
        }                                                                  \
        return false;                                                      \
    }

static bool zvbb_opiv_check(DisasContext *s, arg_rmr *a)
{
    return s->cfg_ptr->ext_zvbb == true &&
           require_rvv(s) &&
           vext_check_isa_ill(s) &&
           vext_check_ss(s, a->rd, a->rs2, a->vm);
}

static bool zvkb_opiv_check(DisasContext *s, arg_rmr *a)
{
    return (s->cfg_ptr->ext_zvbb == true || s->cfg_ptr->ext_zvkb == true) &&
           require_rvv(s) &&
           vext_check_isa_ill(s) &&
           vext_check_ss(s, a->rd, a->rs2, a->vm);
}

GEN_OPIV_TRANS(vbrev8_v, zvkb_opiv_check)
GEN_OPIV_TRANS(vrev8_v, zvkb_opiv_check)
GEN_OPIV_TRANS(vbrev_v, zvbb_opiv_check)
GEN_OPIV_TRANS(vclz_v, zvbb_opiv_check)
GEN_OPIV_TRANS(vctz_v, zvbb_opiv_check)
GEN_OPIV_TRANS(vcpop_v, zvbb_opiv_check)

static bool vwsll_vv_check(DisasContext *s, arg_rmrr *a)
{
    return s->cfg_ptr->ext_zvbb && opivv_widen_check(s, a);
}

static bool vwsll_vx_check(DisasContext *s, arg_rmrr *a)
{
    return s->cfg_ptr->ext_zvbb && opivx_widen_check(s, a);
}

/* OPIVI without GVEC IR */
#define GEN_OPIVI_WIDEN_TRANS(NAME, IMM_MODE, OPIVX, CHECK)                  \
    static bool trans_##NAME(DisasContext *s, arg_rmrr *a)                   \
    {                                                                        \
        if (CHECK(s, a)) {                                                   \
            static gen_helper_opivx *const fns[3] = {                        \
                gen_helper_##OPIVX##_b,                                      \
                gen_helper_##OPIVX##_h,                                      \
                gen_helper_##OPIVX##_w,                                      \
            };                                                               \
            return opivi_trans(a->rd, a->rs1, a->rs2, a->vm, fns[s->sew], s, \
                               IMM_MODE);                                    \
        }                                                                    \
        return false;                                                        \
    }

GEN_OPIVV_WIDEN_TRANS(vwsll_vv, vwsll_vv_check)
GEN_OPIVX_WIDEN_TRANS(vwsll_vx, vwsll_vx_check)
GEN_OPIVI_WIDEN_TRANS(vwsll_vi, IMM_ZX, vwsll_vx, vwsll_vx_check)

/*
 * Zvkned
 */

#define ZVKNED_EGS 4

#define GEN_V_UNMASKED_TRANS(NAME, CHECK, EGS)                                \
    static bool trans_##NAME(DisasContext *s, arg_##NAME *a)                  \
    {                                                                         \
        if (CHECK(s, a)) {                                                    \
            TCGv_ptr rd_v, rs2_v;                                             \
            TCGv_i32 desc, egs;                                               \
            uint32_t data = 0;                                                \
                                                                              \
            if (!s->vstart_eq_zero || !s->vl_eq_vlmax) {                      \
                /* save opcode for unwinding in case we throw an exception */ \
                decode_save_opc(s);                                           \
                egs = tcg_constant_i32(EGS);                                  \
                gen_helper_egs_check(egs, tcg_env);                           \
            }                                                                 \
                                                                              \
            data = FIELD_DP32(data, VDATA, VM, a->vm);                        \
            data = FIELD_DP32(data, VDATA, LMUL, s->lmul);                    \
            data = FIELD_DP32(data, VDATA, VTA, s->vta);                      \
            data = FIELD_DP32(data, VDATA, VTA_ALL_1S, s->cfg_vta_all_1s);    \
            data = FIELD_DP32(data, VDATA, VMA, s->vma);                      \
            rd_v = tcg_temp_new_ptr();                                        \
            rs2_v = tcg_temp_new_ptr();                                       \
            desc = tcg_constant_i32(                                          \
                simd_desc(s->cfg_ptr->vlenb, s->cfg_ptr->vlenb, data));       \
            tcg_gen_addi_ptr(rd_v, tcg_env, vreg_ofs(s, a->rd));              \
            tcg_gen_addi_ptr(rs2_v, tcg_env, vreg_ofs(s, a->rs2));            \
            gen_helper_##NAME(rd_v, rs2_v, tcg_env, desc);                    \
            finalize_rvv_inst(s);                                             \
            return true;                                                      \
        }                                                                     \
        return false;                                                         \
    }

static bool vaes_check_vv(DisasContext *s, arg_rmr *a)
{
    int egw_bytes = ZVKNED_EGS << s->sew;
    return s->cfg_ptr->ext_zvkned == true &&
           require_rvv(s) &&
           vext_check_isa_ill(s) &&
           MAXSZ(s) >= egw_bytes &&
           require_align(a->rd, s->lmul) &&
           require_align(a->rs2, s->lmul) &&
           s->sew == MO_32;
}

static bool vaes_check_overlap(DisasContext *s, int vd, int vs2)
{
    int8_t op_size = s->lmul <= 0 ? 1 : 1 << s->lmul;
    return !is_overlapped(vd, op_size, vs2, 1);
}

static bool vaes_check_vs(DisasContext *s, arg_rmr *a)
{
    int egw_bytes = ZVKNED_EGS << s->sew;
    return vaes_check_overlap(s, a->rd, a->rs2) &&
           MAXSZ(s) >= egw_bytes &&
           s->cfg_ptr->ext_zvkned == true &&
           require_rvv(s) &&
           vext_check_isa_ill(s) &&
           require_align(a->rd, s->lmul) &&
           s->sew == MO_32;
}

GEN_V_UNMASKED_TRANS(vaesef_vv, vaes_check_vv, ZVKNED_EGS)
GEN_V_UNMASKED_TRANS(vaesef_vs, vaes_check_vs, ZVKNED_EGS)
GEN_V_UNMASKED_TRANS(vaesdf_vv, vaes_check_vv, ZVKNED_EGS)
GEN_V_UNMASKED_TRANS(vaesdf_vs, vaes_check_vs, ZVKNED_EGS)
GEN_V_UNMASKED_TRANS(vaesdm_vv, vaes_check_vv, ZVKNED_EGS)
GEN_V_UNMASKED_TRANS(vaesdm_vs, vaes_check_vs, ZVKNED_EGS)
GEN_V_UNMASKED_TRANS(vaesz_vs, vaes_check_vs, ZVKNED_EGS)
GEN_V_UNMASKED_TRANS(vaesem_vv, vaes_check_vv, ZVKNED_EGS)
GEN_V_UNMASKED_TRANS(vaesem_vs, vaes_check_vs, ZVKNED_EGS)

#define GEN_VI_UNMASKED_TRANS(NAME, CHECK, EGS)                               \
    static bool trans_##NAME(DisasContext *s, arg_##NAME *a)                  \
    {                                                                         \
        if (CHECK(s, a)) {                                                    \
            TCGv_ptr rd_v, rs2_v;                                             \
            TCGv_i32 uimm_v, desc, egs;                                       \
            uint32_t data = 0;                                                \
                                                                              \
            if (!s->vstart_eq_zero || !s->vl_eq_vlmax) {                      \
                /* save opcode for unwinding in case we throw an exception */ \
                decode_save_opc(s);                                           \
                egs = tcg_constant_i32(EGS);                                  \
                gen_helper_egs_check(egs, tcg_env);                           \
            }                                                                 \
                                                                              \
            data = FIELD_DP32(data, VDATA, VM, a->vm);                        \
            data = FIELD_DP32(data, VDATA, LMUL, s->lmul);                    \
            data = FIELD_DP32(data, VDATA, VTA, s->vta);                      \
            data = FIELD_DP32(data, VDATA, VTA_ALL_1S, s->cfg_vta_all_1s);    \
            data = FIELD_DP32(data, VDATA, VMA, s->vma);                      \
                                                                              \
            rd_v = tcg_temp_new_ptr();                                        \
            rs2_v = tcg_temp_new_ptr();                                       \
            uimm_v = tcg_constant_i32(a->rs1);                                \
            desc = tcg_constant_i32(                                          \
                simd_desc(s->cfg_ptr->vlenb, s->cfg_ptr->vlenb, data));       \
            tcg_gen_addi_ptr(rd_v, tcg_env, vreg_ofs(s, a->rd));              \
            tcg_gen_addi_ptr(rs2_v, tcg_env, vreg_ofs(s, a->rs2));            \
            gen_helper_##NAME(rd_v, rs2_v, uimm_v, tcg_env, desc);            \
            finalize_rvv_inst(s);                                             \
            return true;                                                      \
        }                                                                     \
        return false;                                                         \
    }

static bool vaeskf1_check(DisasContext *s, arg_vaeskf1_vi *a)
{
    int egw_bytes = ZVKNED_EGS << s->sew;
    return s->cfg_ptr->ext_zvkned == true &&
           require_rvv(s) &&
           vext_check_isa_ill(s) &&
           MAXSZ(s) >= egw_bytes &&
           s->sew == MO_32 &&
           require_align(a->rd, s->lmul) &&
           require_align(a->rs2, s->lmul);
}

static bool vaeskf2_check(DisasContext *s, arg_vaeskf2_vi *a)
{
    int egw_bytes = ZVKNED_EGS << s->sew;
    return s->cfg_ptr->ext_zvkned == true &&
           require_rvv(s) &&
           vext_check_isa_ill(s) &&
           MAXSZ(s) >= egw_bytes &&
           s->sew == MO_32 &&
           require_align(a->rd, s->lmul) &&
           require_align(a->rs2, s->lmul);
}

GEN_VI_UNMASKED_TRANS(vaeskf1_vi, vaeskf1_check, ZVKNED_EGS)
GEN_VI_UNMASKED_TRANS(vaeskf2_vi, vaeskf2_check, ZVKNED_EGS)

/*
 * Zvknh
 */

#define ZVKNH_EGS 4

#define GEN_VV_UNMASKED_TRANS(NAME, CHECK, EGS)                               \
    static bool trans_##NAME(DisasContext *s, arg_rmrr *a)                    \
    {                                                                         \
        if (CHECK(s, a)) {                                                    \
            uint32_t data = 0;                                                \
            TCGv_i32 egs;                                                     \
                                                                              \
            if (!s->vstart_eq_zero || !s->vl_eq_vlmax) {                      \
                /* save opcode for unwinding in case we throw an exception */ \
                decode_save_opc(s);                                           \
                egs = tcg_constant_i32(EGS);                                  \
                gen_helper_egs_check(egs, tcg_env);                           \
            }                                                                 \
                                                                              \
            data = FIELD_DP32(data, VDATA, VM, a->vm);                        \
            data = FIELD_DP32(data, VDATA, LMUL, s->lmul);                    \
            data = FIELD_DP32(data, VDATA, VTA, s->vta);                      \
            data = FIELD_DP32(data, VDATA, VTA_ALL_1S, s->cfg_vta_all_1s);    \
            data = FIELD_DP32(data, VDATA, VMA, s->vma);                      \
                                                                              \
            tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, a->rs1),       \
                               vreg_ofs(s, a->rs2), tcg_env,                  \
                               s->cfg_ptr->vlenb, s->cfg_ptr->vlenb,          \
                               data, gen_helper_##NAME);                      \
                                                                              \
            finalize_rvv_inst(s);                                             \
            return true;                                                      \
        }                                                                     \
        return false;                                                         \
    }

static bool vsha_check_sew(DisasContext *s)
{
    return (s->cfg_ptr->ext_zvknha == true && s->sew == MO_32) ||
           (s->cfg_ptr->ext_zvknhb == true &&
            (s->sew == MO_32 || s->sew == MO_64));
}

static bool vsha_check(DisasContext *s, arg_rmrr *a)
{
    int egw_bytes = ZVKNH_EGS << s->sew;
    int mult = 1 << MAX(s->lmul, 0);
    return opivv_check(s, a) &&
           vsha_check_sew(s) &&
           MAXSZ(s) >= egw_bytes &&
           !is_overlapped(a->rd, mult, a->rs1, mult) &&
           !is_overlapped(a->rd, mult, a->rs2, mult) &&
           s->lmul >= 0;
}

GEN_VV_UNMASKED_TRANS(vsha2ms_vv, vsha_check, ZVKNH_EGS)

static bool trans_vsha2cl_vv(DisasContext *s, arg_rmrr *a)
{
    if (vsha_check(s, a)) {
        uint32_t data = 0;
        TCGv_i32 egs;

        if (!s->vstart_eq_zero || !s->vl_eq_vlmax) {
            /* save opcode for unwinding in case we throw an exception */
            decode_save_opc(s);
            egs = tcg_constant_i32(ZVKNH_EGS);
            gen_helper_egs_check(egs, tcg_env);
        }

        data = FIELD_DP32(data, VDATA, VM, a->vm);
        data = FIELD_DP32(data, VDATA, LMUL, s->lmul);
        data = FIELD_DP32(data, VDATA, VTA, s->vta);
        data = FIELD_DP32(data, VDATA, VTA_ALL_1S, s->cfg_vta_all_1s);
        data = FIELD_DP32(data, VDATA, VMA, s->vma);

        tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, a->rs1),
            vreg_ofs(s, a->rs2), tcg_env, s->cfg_ptr->vlenb,
            s->cfg_ptr->vlenb, data,
            s->sew == MO_32 ?
                gen_helper_vsha2cl32_vv : gen_helper_vsha2cl64_vv);

        finalize_rvv_inst(s);
        return true;
    }
    return false;
}

static bool trans_vsha2ch_vv(DisasContext *s, arg_rmrr *a)
{
    if (vsha_check(s, a)) {
        uint32_t data = 0;
        TCGv_i32 egs;

        if (!s->vstart_eq_zero || !s->vl_eq_vlmax) {
            /* save opcode for unwinding in case we throw an exception */
            decode_save_opc(s);
            egs = tcg_constant_i32(ZVKNH_EGS);
            gen_helper_egs_check(egs, tcg_env);
        }

        data = FIELD_DP32(data, VDATA, VM, a->vm);
        data = FIELD_DP32(data, VDATA, LMUL, s->lmul);
        data = FIELD_DP32(data, VDATA, VTA, s->vta);
        data = FIELD_DP32(data, VDATA, VTA_ALL_1S, s->cfg_vta_all_1s);
        data = FIELD_DP32(data, VDATA, VMA, s->vma);

        tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, a->rs1),
            vreg_ofs(s, a->rs2), tcg_env, s->cfg_ptr->vlenb,
            s->cfg_ptr->vlenb, data,
            s->sew == MO_32 ?
                gen_helper_vsha2ch32_vv : gen_helper_vsha2ch64_vv);

        finalize_rvv_inst(s);
        return true;
    }
    return false;
}

/*
 * Zvksh
 */

#define ZVKSH_EGS 8

static inline bool vsm3_check(DisasContext *s, arg_rmrr *a)
{
    int egw_bytes = ZVKSH_EGS << s->sew;
    int mult = 1 << MAX(s->lmul, 0);
    return s->cfg_ptr->ext_zvksh == true &&
           require_rvv(s) &&
           vext_check_isa_ill(s) &&
           !is_overlapped(a->rd, mult, a->rs2, mult) &&
           MAXSZ(s) >= egw_bytes &&
           s->sew == MO_32;
}

static inline bool vsm3me_check(DisasContext *s, arg_rmrr *a)
{
    return vsm3_check(s, a) && vext_check_sss(s, a->rd, a->rs1, a->rs2, a->vm);
}

static inline bool vsm3c_check(DisasContext *s, arg_rmrr *a)
{
    return vsm3_check(s, a) && vext_check_ss(s, a->rd, a->rs2, a->vm);
}

GEN_VV_UNMASKED_TRANS(vsm3me_vv, vsm3me_check, ZVKSH_EGS)
GEN_VI_UNMASKED_TRANS(vsm3c_vi, vsm3c_check, ZVKSH_EGS)

/*
 * Zvkg
 */

#define ZVKG_EGS 4

static bool vgmul_check(DisasContext *s, arg_rmr *a)
{
    int egw_bytes = ZVKG_EGS << s->sew;
    return s->cfg_ptr->ext_zvkg == true &&
           vext_check_isa_ill(s) &&
           require_rvv(s) &&
           MAXSZ(s) >= egw_bytes &&
           vext_check_ss(s, a->rd, a->rs2, a->vm) &&
           s->sew == MO_32;
}

GEN_V_UNMASKED_TRANS(vgmul_vv, vgmul_check, ZVKG_EGS)

static bool vghsh_check(DisasContext *s, arg_rmrr *a)
{
    int egw_bytes = ZVKG_EGS << s->sew;
    return s->cfg_ptr->ext_zvkg == true &&
           opivv_check(s, a) &&
           MAXSZ(s) >= egw_bytes &&
           s->sew == MO_32;
}

GEN_VV_UNMASKED_TRANS(vghsh_vv, vghsh_check, ZVKG_EGS)

/*
 * Zvksed
 */

#define ZVKSED_EGS 4

static bool zvksed_check(DisasContext *s)
{
    int egw_bytes = ZVKSED_EGS << s->sew;
    return s->cfg_ptr->ext_zvksed == true &&
           require_rvv(s) &&
           vext_check_isa_ill(s) &&
           MAXSZ(s) >= egw_bytes &&
           s->sew == MO_32;
}

static bool vsm4k_vi_check(DisasContext *s, arg_rmrr *a)
{
    return zvksed_check(s) &&
           require_align(a->rd, s->lmul) &&
           require_align(a->rs2, s->lmul);
}

GEN_VI_UNMASKED_TRANS(vsm4k_vi, vsm4k_vi_check, ZVKSED_EGS)

static bool vsm4r_vv_check(DisasContext *s, arg_rmr *a)
{
    return zvksed_check(s) &&
           require_align(a->rd, s->lmul) &&
           require_align(a->rs2, s->lmul);
}

GEN_V_UNMASKED_TRANS(vsm4r_vv, vsm4r_vv_check, ZVKSED_EGS)

static bool vsm4r_vs_check(DisasContext *s, arg_rmr *a)
{
    return zvksed_check(s) &&
           !is_overlapped(a->rd, 1 << MAX(s->lmul, 0), a->rs2, 1) &&
           require_align(a->rd, s->lmul);
}

GEN_V_UNMASKED_TRANS(vsm4r_vs, vsm4r_vs_check, ZVKSED_EGS)