diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index fe264621ff..6ce0bcbba7 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -2316,3 +2316,20 @@ DEF_HELPER_4(th_vid_v_b, void, ptr, ptr, env, i32)
 DEF_HELPER_4(th_vid_v_h, void, ptr, ptr, env, i32)
 DEF_HELPER_4(th_vid_v_w, void, ptr, ptr, env, i32)
 DEF_HELPER_4(th_vid_v_d, void, ptr, ptr, env, i32)
+
+DEF_HELPER_6(th_vslideup_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(th_vslideup_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(th_vslideup_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(th_vslideup_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(th_vslidedown_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(th_vslidedown_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(th_vslidedown_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(th_vslidedown_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(th_vslide1up_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(th_vslide1up_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(th_vslide1up_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(th_vslide1up_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(th_vslide1down_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(th_vslide1down_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(th_vslide1down_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(th_vslide1down_vx_d, void, ptr, ptr, tl, ptr, env, i32)
diff --git a/target/riscv/insn_trans/trans_xtheadvector.c.inc b/target/riscv/insn_trans/trans_xtheadvector.c.inc
index 54ccd933c0..46cfc51690 100644
--- a/target/riscv/insn_trans/trans_xtheadvector.c.inc
+++ b/target/riscv/insn_trans/trans_xtheadvector.c.inc
@@ -2797,18 +2797,31 @@ static bool trans_th_vfmv_s_f(DisasContext *s, arg_th_vfmv_s_f *a)
     return false;
 }
 
+/* Vector Slide Instructions */
+static bool slideup_check_th(DisasContext *s, arg_rmrr *a)
+{
+    return (require_xtheadvector(s) &&
+            vext_check_isa_ill(s) &&
+            th_check_overlap_mask(s, a->rd, a->vm, true) &&
+            th_check_reg(s, a->rd, false) &&
+            th_check_reg(s, a->rs2, false) &&
+            (a->rd != a->rs2));
+}
+
+GEN_OPIVX_TRANS_TH(th_vslideup_vx, slideup_check_th)
+GEN_OPIVX_TRANS_TH(th_vslide1up_vx, slideup_check_th)
+GEN_OPIVI_TRANS_TH(th_vslideup_vi, IMM_ZX, th_vslideup_vx, slideup_check_th)
+
+GEN_OPIVX_TRANS_TH(th_vslidedown_vx, opivx_check_th)
+GEN_OPIVX_TRANS_TH(th_vslide1down_vx, opivx_check_th)
+GEN_OPIVI_TRANS_TH(th_vslidedown_vi, IMM_ZX, th_vslidedown_vx, opivx_check_th)
+
 #define TH_TRANS_STUB(NAME)                                \
 static bool trans_##NAME(DisasContext *s, arg_##NAME *a)   \
 {                                                          \
     return require_xtheadvector(s);                        \
 }
 
-TH_TRANS_STUB(th_vslideup_vx)
-TH_TRANS_STUB(th_vslideup_vi)
-TH_TRANS_STUB(th_vslide1up_vx)
-TH_TRANS_STUB(th_vslidedown_vx)
-TH_TRANS_STUB(th_vslidedown_vi)
-TH_TRANS_STUB(th_vslide1down_vx)
 TH_TRANS_STUB(th_vrgather_vv)
 TH_TRANS_STUB(th_vrgather_vx)
 TH_TRANS_STUB(th_vrgather_vi)
diff --git a/target/riscv/xtheadvector_helper.c b/target/riscv/xtheadvector_helper.c
index 0743d57b12..73a15eb070 100644
--- a/target/riscv/xtheadvector_helper.c
+++ b/target/riscv/xtheadvector_helper.c
@@ -3678,3 +3678,126 @@ GEN_TH_VID_V(th_vid_v_b, uint8_t, H1, clearb_th)
 GEN_TH_VID_V(th_vid_v_h, uint16_t, H2, clearh_th)
 GEN_TH_VID_V(th_vid_v_w, uint32_t, H4, clearl_th)
 GEN_TH_VID_V(th_vid_v_d, uint64_t, H8, clearq_th)
+
+/*
+ * Vector Permutation Instructions
+ */
+
+/* Vector Slide Instructions */
+#define GEN_TH_VSLIDEUP_VX(NAME, ETYPE, H, CLEAR_FN)                      \
+void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2,         \
+                  CPURISCVState *env, uint32_t desc)                      \
+{                                                                         \
+    uint32_t mlen = th_mlen(desc);                                        \
+    uint32_t vlmax = (env_archcpu(env)->cfg.vlenb << 3) / mlen;           \
+    uint32_t vm = th_vm(desc);                                            \
+    uint32_t vl = env->vl;                                                \
+    target_ulong offset = s1, i_min, i;                                   \
+                                                                          \
+    VSTART_CHECK_EARLY_EXIT(env);                                         \
+    i_min = MAX(env->vstart, offset);                                     \
+    for (i = i_min; i < vl; i++) {                                        \
+        if (!vm && !th_elem_mask(v0, mlen, i)) {                          \
+            continue;                                                     \
+        }                                                                 \
+        *((ETYPE *)vd + H(i)) = *((ETYPE *)vs2 + H(i - offset));          \
+    }                                                                     \
+    env->vstart = 0;                                                      \
+    CLEAR_FN(vd, vl, vl * sizeof(ETYPE), vlmax * sizeof(ETYPE));          \
+}
+
+/* vslideup.vx vd, vs2, rs1, vm # vd[i+rs1] = vs2[i] */
+GEN_TH_VSLIDEUP_VX(th_vslideup_vx_b, uint8_t, H1, clearb_th)
+GEN_TH_VSLIDEUP_VX(th_vslideup_vx_h, uint16_t, H2, clearh_th)
+GEN_TH_VSLIDEUP_VX(th_vslideup_vx_w, uint32_t, H4, clearl_th)
+GEN_TH_VSLIDEUP_VX(th_vslideup_vx_d, uint64_t, H8, clearq_th)
+
+#define GEN_TH_VSLIDEDOWN_VX(NAME, ETYPE, H, CLEAR_FN)                    \
+void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2,         \
+                  CPURISCVState *env, uint32_t desc)                      \
+{                                                                         \
+    uint32_t mlen = th_mlen(desc);                                        \
+    uint32_t vlmax = (env_archcpu(env)->cfg.vlenb << 3) / mlen;           \
+    uint32_t vm = th_vm(desc);                                            \
+    uint32_t vl = env->vl;                                                \
+    target_ulong offset = s1, i;                                          \
+                                                                          \
+    VSTART_CHECK_EARLY_EXIT(env);                                         \
+    for (i = env->vstart; i < vl; ++i) {                                  \
+        target_ulong j = i + offset;                                      \
+        if (!vm && !th_elem_mask(v0, mlen, i)) {                          \
+            continue;                                                     \
+        }                                                                 \
+        *((ETYPE *)vd + H(i)) = j >= vlmax ? 0 : *((ETYPE *)vs2 + H(j));  \
+    }                                                                     \
+    env->vstart = 0;                                                      \
+    CLEAR_FN(vd, vl, vl * sizeof(ETYPE), vlmax * sizeof(ETYPE));          \
+}
+
+/* vslidedown.vx vd, vs2, rs1, vm # vd[i] = vs2[i+rs1] */
+GEN_TH_VSLIDEDOWN_VX(th_vslidedown_vx_b, uint8_t, H1, clearb_th)
+GEN_TH_VSLIDEDOWN_VX(th_vslidedown_vx_h, uint16_t, H2, clearh_th)
+GEN_TH_VSLIDEDOWN_VX(th_vslidedown_vx_w, uint32_t, H4, clearl_th)
+GEN_TH_VSLIDEDOWN_VX(th_vslidedown_vx_d, uint64_t, H8, clearq_th)
+
+#define GEN_TH_VSLIDE1UP_VX(NAME, ETYPE, H, CLEAR_FN)                     \
+void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2,         \
+                  CPURISCVState *env, uint32_t desc)                      \
+{                                                                         \
+    uint32_t mlen = th_mlen(desc);                                        \
+    uint32_t vlmax = (env_archcpu(env)->cfg.vlenb << 3) / mlen;           \
+    uint32_t vm = th_vm(desc);                                            \
+    uint32_t vl = env->vl;                                                \
+    uint32_t i;                                                           \
+                                                                          \
+    VSTART_CHECK_EARLY_EXIT(env);                                         \
+    for (i = env->vstart; i < vl; i++) {                                  \
+        if (!vm && !th_elem_mask(v0, mlen, i)) {                          \
+            continue;                                                     \
+        }                                                                 \
+        if (i == 0) {                                                     \
+            *((ETYPE *)vd + H(i)) = s1;                                   \
+        } else {                                                          \
+            *((ETYPE *)vd + H(i)) = *((ETYPE *)vs2 + H(i - 1));           \
+        }                                                                 \
+    }                                                                     \
+    env->vstart = 0;                                                      \
+    CLEAR_FN(vd, vl, vl * sizeof(ETYPE), vlmax * sizeof(ETYPE));          \
+}
+
+/* vslide1up.vx vd, vs2, rs1, vm # vd[0]=x[rs1], vd[i+1] = vs2[i] */
+GEN_TH_VSLIDE1UP_VX(th_vslide1up_vx_b, uint8_t, H1, clearb_th)
+GEN_TH_VSLIDE1UP_VX(th_vslide1up_vx_h, uint16_t, H2, clearh_th)
+GEN_TH_VSLIDE1UP_VX(th_vslide1up_vx_w, uint32_t, H4, clearl_th)
+GEN_TH_VSLIDE1UP_VX(th_vslide1up_vx_d, uint64_t, H8, clearq_th)
+
+#define GEN_TH_VSLIDE1DOWN_VX(NAME, ETYPE, H, CLEAR_FN)                   \
+void HELPER(NAME)(void *vd, void *v0, target_ulong s1, void *vs2,         \
+                  CPURISCVState *env, uint32_t desc)                      \
+{                                                                         \
+    uint32_t mlen = th_mlen(desc);                                        \
+    uint32_t vlmax = (env_archcpu(env)->cfg.vlenb << 3) / mlen;           \
+    uint32_t vm = th_vm(desc);                                            \
+    uint32_t vl = env->vl;                                                \
+    uint32_t i;                                                           \
+                                                                          \
+    VSTART_CHECK_EARLY_EXIT(env);                                         \
+    for (i = env->vstart; i < vl; i++) {                                  \
+        if (!vm && !th_elem_mask(v0, mlen, i)) {                          \
+            continue;                                                     \
+        }                                                                 \
+        if (i == vl - 1) {                                                \
+            *((ETYPE *)vd + H(i)) = s1;                                   \
+        } else {                                                          \
+            *((ETYPE *)vd + H(i)) = *((ETYPE *)vs2 + H(i + 1));           \
+        }                                                                 \
+    }                                                                     \
+    env->vstart = 0;                                                      \
+    CLEAR_FN(vd, vl, vl * sizeof(ETYPE), vlmax * sizeof(ETYPE));          \
+}
+
+/* vslide1down.vx vd, vs2, rs1, vm # vd[i] = vs2[i+1], vd[vl-1]=x[rs1] */
+GEN_TH_VSLIDE1DOWN_VX(th_vslide1down_vx_b, uint8_t, H1, clearb_th)
+GEN_TH_VSLIDE1DOWN_VX(th_vslide1down_vx_h, uint16_t, H2, clearh_th)
+GEN_TH_VSLIDE1DOWN_VX(th_vslide1down_vx_w, uint32_t, H4, clearl_th)
+GEN_TH_VSLIDE1DOWN_VX(th_vslide1down_vx_d, uint64_t, H8, clearq_th)
