diff --git a/target/loongarch/disas.c b/target/loongarch/disas.c
index 5ac374bc63..1897aa7ba1 100644
--- a/target/loongarch/disas.c
+++ b/target/loongarch/disas.c
@@ -1996,6 +1996,19 @@ INSN_LASX(xvexth_wu_hu,      xx)
 INSN_LASX(xvexth_du_wu,      xx)
 INSN_LASX(xvexth_qu_du,      xx)
 
+INSN_LASX(vext2xv_h_b,       xx)
+INSN_LASX(vext2xv_w_b,       xx)
+INSN_LASX(vext2xv_d_b,       xx)
+INSN_LASX(vext2xv_w_h,       xx)
+INSN_LASX(vext2xv_d_h,       xx)
+INSN_LASX(vext2xv_d_w,       xx)
+INSN_LASX(vext2xv_hu_bu,     xx)
+INSN_LASX(vext2xv_wu_bu,     xx)
+INSN_LASX(vext2xv_du_bu,     xx)
+INSN_LASX(vext2xv_wu_hu,     xx)
+INSN_LASX(vext2xv_du_hu,     xx)
+INSN_LASX(vext2xv_du_wu,     xx)
+
 INSN_LASX(xvreplgr2vr_b,     xr)
 INSN_LASX(xvreplgr2vr_h,     xr)
 INSN_LASX(xvreplgr2vr_w,     xr)
diff --git a/target/loongarch/helper.h b/target/loongarch/helper.h
index 17e54eb29a..7a303ee3f1 100644
--- a/target/loongarch/helper.h
+++ b/target/loongarch/helper.h
@@ -904,3 +904,16 @@ DEF_HELPER_3(xvexth_hu_bu, void, env, i32, i32)
 DEF_HELPER_3(xvexth_wu_hu, void, env, i32, i32)
 DEF_HELPER_3(xvexth_du_wu, void, env, i32, i32)
 DEF_HELPER_3(xvexth_qu_du, void, env, i32, i32)
+
+DEF_HELPER_3(vext2xv_h_b, void, env, i32, i32)
+DEF_HELPER_3(vext2xv_w_b, void, env, i32, i32)
+DEF_HELPER_3(vext2xv_d_b, void, env, i32, i32)
+DEF_HELPER_3(vext2xv_w_h, void, env, i32, i32)
+DEF_HELPER_3(vext2xv_d_h, void, env, i32, i32)
+DEF_HELPER_3(vext2xv_d_w, void, env, i32, i32)
+DEF_HELPER_3(vext2xv_hu_bu, void, env, i32, i32)
+DEF_HELPER_3(vext2xv_wu_bu, void, env, i32, i32)
+DEF_HELPER_3(vext2xv_du_bu, void, env, i32, i32)
+DEF_HELPER_3(vext2xv_wu_hu, void, env, i32, i32)
+DEF_HELPER_3(vext2xv_du_hu, void, env, i32, i32)
+DEF_HELPER_3(vext2xv_du_wu, void, env, i32, i32)
diff --git a/target/loongarch/insn_trans/trans_lasx.c.inc b/target/loongarch/insn_trans/trans_lasx.c.inc
index 5110cf9a33..c04469af75 100644
--- a/target/loongarch/insn_trans/trans_lasx.c.inc
+++ b/target/loongarch/insn_trans/trans_lasx.c.inc
@@ -1853,6 +1853,19 @@ TRANS(xvexth_wu_hu, gen_xx, gen_helper_xvexth_wu_hu)
 TRANS(xvexth_du_wu, gen_xx, gen_helper_xvexth_du_wu)
 TRANS(xvexth_qu_du, gen_xx, gen_helper_xvexth_qu_du)
 
+TRANS(vext2xv_h_b, gen_xx, gen_helper_vext2xv_h_b)
+TRANS(vext2xv_w_b, gen_xx, gen_helper_vext2xv_w_b)
+TRANS(vext2xv_d_b, gen_xx, gen_helper_vext2xv_d_b)
+TRANS(vext2xv_w_h, gen_xx, gen_helper_vext2xv_w_h)
+TRANS(vext2xv_d_h, gen_xx, gen_helper_vext2xv_d_h)
+TRANS(vext2xv_d_w, gen_xx, gen_helper_vext2xv_d_w)
+TRANS(vext2xv_hu_bu, gen_xx, gen_helper_vext2xv_hu_bu)
+TRANS(vext2xv_wu_bu, gen_xx, gen_helper_vext2xv_wu_bu)
+TRANS(vext2xv_du_bu, gen_xx, gen_helper_vext2xv_du_bu)
+TRANS(vext2xv_wu_hu, gen_xx, gen_helper_vext2xv_wu_hu)
+TRANS(vext2xv_du_hu, gen_xx, gen_helper_vext2xv_du_hu)
+TRANS(vext2xv_du_wu, gen_xx, gen_helper_vext2xv_du_wu)
+
 static bool gvec_dupx(DisasContext *ctx, arg_xr *a, MemOp mop)
 {
     TCGv src = gpr_src(ctx, a->rj, EXT_NONE);
diff --git a/target/loongarch/insns.decode b/target/loongarch/insns.decode
index 98de616846..9f1cb04368 100644
--- a/target/loongarch/insns.decode
+++ b/target/loongarch/insns.decode
@@ -1600,6 +1600,19 @@ xvexth_wu_hu     0111 01101001 11101 11101 ..... .....    @xx
 xvexth_du_wu     0111 01101001 11101 11110 ..... .....    @xx
 xvexth_qu_du     0111 01101001 11101 11111 ..... .....    @xx
 
+vext2xv_h_b      0111 01101001 11110 00100 ..... .....    @xx
+vext2xv_w_b      0111 01101001 11110 00101 ..... .....    @xx
+vext2xv_d_b      0111 01101001 11110 00110 ..... .....    @xx
+vext2xv_w_h      0111 01101001 11110 00111 ..... .....    @xx
+vext2xv_d_h      0111 01101001 11110 01000 ..... .....    @xx
+vext2xv_d_w      0111 01101001 11110 01001 ..... .....    @xx
+vext2xv_hu_bu    0111 01101001 11110 01010 ..... .....    @xx
+vext2xv_wu_bu    0111 01101001 11110 01011 ..... .....    @xx
+vext2xv_du_bu    0111 01101001 11110 01100 ..... .....    @xx
+vext2xv_wu_hu    0111 01101001 11110 01101 ..... .....    @xx
+vext2xv_du_hu    0111 01101001 11110 01110 ..... .....    @xx
+vext2xv_du_wu    0111 01101001 11110 01111 ..... .....    @xx
+
 xvreplgr2vr_b    0111 01101001 11110 00000 ..... .....    @xr
 xvreplgr2vr_h    0111 01101001 11110 00001 ..... .....    @xr
 xvreplgr2vr_w    0111 01101001 11110 00010 ..... .....    @xr
diff --git a/target/loongarch/lasx_helper.c b/target/loongarch/lasx_helper.c
index ca74263c6e..ca82d03ff4 100644
--- a/target/loongarch/lasx_helper.c
+++ b/target/loongarch/lasx_helper.c
@@ -677,3 +677,30 @@ XVEXTH(xvexth_d_w, 64, XD, XW)
 XVEXTH(xvexth_hu_bu, 16, UXH, UXB)
 XVEXTH(xvexth_wu_hu, 32, UXW, UXH)
 XVEXTH(xvexth_du_wu, 64, UXD, UXW)
+
+#define VEXT2XV(NAME, BIT, E1, E2)                                  \
+void HELPER(NAME)(CPULoongArchState *env, uint32_t xd, uint32_t xj) \
+{                                                                   \
+    int i;                                                          \
+    XReg *Xd = &(env->fpr[xd].xreg);                                \
+    XReg *Xj = &(env->fpr[xj].xreg);                                \
+    XReg temp;                                                      \
+                                                                    \
+    for (i = 0; i < LASX_LEN / BIT; i++) {                          \
+        temp.E1(i) = Xj->E2(i);                                     \
+    }                                                               \
+    *Xd = temp;                                                     \
+}
+
+VEXT2XV(vext2xv_h_b, 16, XH, XB)
+VEXT2XV(vext2xv_w_b, 32, XW, XB)
+VEXT2XV(vext2xv_d_b, 64, XD, XB)
+VEXT2XV(vext2xv_w_h, 32, XW, XH)
+VEXT2XV(vext2xv_d_h, 64, XD, XH)
+VEXT2XV(vext2xv_d_w, 64, XD, XW)
+VEXT2XV(vext2xv_hu_bu, 16, UXH, UXB)
+VEXT2XV(vext2xv_wu_bu, 32, UXW, UXB)
+VEXT2XV(vext2xv_du_bu, 64, UXD, UXB)
+VEXT2XV(vext2xv_wu_hu, 32, UXW, UXH)
+VEXT2XV(vext2xv_du_hu, 64, UXD, UXH)
+VEXT2XV(vext2xv_du_wu, 64, UXD, UXW)
