diff --git a/target/loongarch/insns.decode b/target/loongarch/insns.decode
index edaa756395..fb28666577 100644
--- a/target/loongarch/insns.decode
+++ b/target/loongarch/insns.decode
@@ -1607,6 +1607,18 @@ xvmsknz_b        0111 01101001 11000 11000 ..... .....    @vv
 
 xvldi            0111 01111110 00 ............. .....     @v_i13
 
+xvand_v          0111 01010010 01100 ..... ..... .....    @vvv
+xvor_v           0111 01010010 01101 ..... ..... .....    @vvv
+xvxor_v          0111 01010010 01110 ..... ..... .....    @vvv
+xvnor_v          0111 01010010 01111 ..... ..... .....    @vvv
+xvandn_v         0111 01010010 10000 ..... ..... .....    @vvv
+xvorn_v          0111 01010010 10001 ..... ..... .....    @vvv
+
+xvandi_b         0111 01111101 00 ........ ..... .....    @vv_ui8
+xvori_b          0111 01111101 01 ........ ..... .....    @vv_ui8
+xvxori_b         0111 01111101 10 ........ ..... .....    @vv_ui8
+xvnori_b         0111 01111101 11 ........ ..... .....    @vv_ui8
+
 xvreplgr2vr_b    0111 01101001 11110 00000 ..... .....    @vr
 xvreplgr2vr_h    0111 01101001 11110 00001 ..... .....    @vr
 xvreplgr2vr_w    0111 01101001 11110 00010 ..... .....    @vr
diff --git a/target/loongarch/disas.c b/target/loongarch/disas.c
index 3f6fbeddd7..e9adc017db 100644
--- a/target/loongarch/disas.c
+++ b/target/loongarch/disas.c
@@ -2029,6 +2029,18 @@ INSN_LASX(xvmsknz_b,         vv)
 
 INSN_LASX(xvldi,             v_i)
 
+INSN_LASX(xvand_v,           vvv)
+INSN_LASX(xvor_v,            vvv)
+INSN_LASX(xvxor_v,           vvv)
+INSN_LASX(xvnor_v,           vvv)
+INSN_LASX(xvandn_v,          vvv)
+INSN_LASX(xvorn_v,           vvv)
+
+INSN_LASX(xvandi_b,          vv_i)
+INSN_LASX(xvori_b,           vv_i)
+INSN_LASX(xvxori_b,          vv_i)
+INSN_LASX(xvnori_b,          vv_i)
+
 INSN_LASX(xvreplgr2vr_b,     vr)
 INSN_LASX(xvreplgr2vr_h,     vr)
 INSN_LASX(xvreplgr2vr_w,     vr)
diff --git a/target/loongarch/vec_helper.c b/target/loongarch/vec_helper.c
index f749800880..1a602ee548 100644
--- a/target/loongarch/vec_helper.c
+++ b/target/loongarch/vec_helper.c
@@ -941,13 +941,13 @@ void HELPER(vmsknz_b)(void *vd, void *vj, uint32_t desc)
     }
 }
 
-void HELPER(vnori_b)(void *vd, void *vj, uint64_t imm, uint32_t v)
+void HELPER(vnori_b)(void *vd, void *vj, uint64_t imm, uint32_t desc)
 {
     int i;
     VReg *Vd = (VReg *)vd;
     VReg *Vj = (VReg *)vj;
 
-    for (i = 0; i < LSX_LEN/8; i++) {
+    for (i = 0; i < simd_oprsz(desc); i++) {
         Vd->B(i) = ~(Vj->B(i) | (uint8_t)imm);
     }
 }
diff --git a/target/loongarch/insn_trans/trans_vec.c.inc b/target/loongarch/insn_trans/trans_vec.c.inc
index 7ebe971ad9..5b14d0f894 100644
--- a/target/loongarch/insn_trans/trans_vec.c.inc
+++ b/target/loongarch/insn_trans/trans_vec.c.inc
@@ -3573,20 +3573,11 @@ static bool gen_vldi(DisasContext *ctx, arg_vldi *a, uint32_t oprsz)
 TRANS(vldi, LSX, gen_vldi, 16)
 TRANS(xvldi, LASX, gen_vldi, 32)
 
-TRANS(vand_v, LSX, gvec_vvv, MO_64, tcg_gen_gvec_and)
-TRANS(vor_v, LSX, gvec_vvv, MO_64, tcg_gen_gvec_or)
-TRANS(vxor_v, LSX, gvec_vvv, MO_64, tcg_gen_gvec_xor)
-TRANS(vnor_v, LSX, gvec_vvv, MO_64, tcg_gen_gvec_nor)
-
-static bool trans_vandn_v(DisasContext *ctx, arg_vvv *a)
+static bool gen_vandn_v(DisasContext *ctx, arg_vvv *a, uint32_t oprsz)
 {
     uint32_t vd_ofs, vj_ofs, vk_ofs;
 
-    if (!avail_LSX(ctx)) {
-        return false;
-    }
-
-    if (!check_vec(ctx, 16)) {
+    if (!check_vec(ctx, oprsz)) {
         return true;
     }
 
@@ -3594,13 +3585,9 @@ static bool trans_vandn_v(DisasContext *ctx, arg_vvv *a)
     vj_ofs = vec_full_offset(a->vj);
     vk_ofs = vec_full_offset(a->vk);
 
-    tcg_gen_gvec_andc(MO_64, vd_ofs, vk_ofs, vj_ofs, 16, ctx->vl/8);
+    tcg_gen_gvec_andc(MO_64, vd_ofs, vk_ofs, vj_ofs, oprsz, ctx->vl / 8);
     return true;
 }
-TRANS(vorn_v, LSX, gvec_vvv, MO_64, tcg_gen_gvec_orc)
-TRANS(vandi_b, LSX, gvec_vv_i, MO_8, tcg_gen_gvec_andi)
-TRANS(vori_b, LSX, gvec_vv_i, MO_8, tcg_gen_gvec_ori)
-TRANS(vxori_b, LSX, gvec_vv_i, MO_8, tcg_gen_gvec_xori)
 
 static void gen_vnori(unsigned vece, TCGv_vec t, TCGv_vec a, int64_t imm)
 {
@@ -3633,7 +3620,26 @@ static void do_vnori_b(unsigned vece, uint32_t vd_ofs, uint32_t vj_ofs,
     tcg_gen_gvec_2i(vd_ofs, vj_ofs, oprsz, maxsz, imm, &op);
 }
 
+TRANS(vand_v, LSX, gvec_vvv, MO_64, tcg_gen_gvec_and)
+TRANS(vor_v, LSX, gvec_vvv, MO_64, tcg_gen_gvec_or)
+TRANS(vxor_v, LSX, gvec_vvv, MO_64, tcg_gen_gvec_xor)
+TRANS(vnor_v, LSX, gvec_vvv, MO_64, tcg_gen_gvec_nor)
+TRANS(vandn_v, LSX, gen_vandn_v, 16)
+TRANS(vorn_v, LSX, gvec_vvv, MO_64, tcg_gen_gvec_orc)
+TRANS(vandi_b, LSX, gvec_vv_i, MO_8, tcg_gen_gvec_andi)
+TRANS(vori_b, LSX, gvec_vv_i, MO_8, tcg_gen_gvec_ori)
+TRANS(vxori_b, LSX, gvec_vv_i, MO_8, tcg_gen_gvec_xori)
 TRANS(vnori_b, LSX, gvec_vv_i, MO_8, do_vnori_b)
+TRANS(xvand_v, LASX, gvec_xxx, MO_64, tcg_gen_gvec_and)
+TRANS(xvor_v, LASX, gvec_xxx, MO_64, tcg_gen_gvec_or)
+TRANS(xvxor_v, LASX, gvec_xxx, MO_64, tcg_gen_gvec_xor)
+TRANS(xvnor_v, LASX, gvec_xxx, MO_64, tcg_gen_gvec_nor)
+TRANS(xvandn_v, LASX, gen_vandn_v, 32)
+TRANS(xvorn_v, LASX, gvec_xxx, MO_64, tcg_gen_gvec_orc)
+TRANS(xvandi_b, LASX, gvec_xx_i, MO_8, tcg_gen_gvec_andi)
+TRANS(xvori_b, LASX, gvec_xx_i, MO_8, tcg_gen_gvec_ori)
+TRANS(xvxori_b, LASX, gvec_xx_i, MO_8, tcg_gen_gvec_xori)
+TRANS(xvnori_b, LASX, gvec_xx_i, MO_8, do_vnori_b)
 
 TRANS(vsll_b, LSX, gvec_vvv, MO_8, tcg_gen_gvec_shlv)
 TRANS(vsll_h, LSX, gvec_vvv, MO_16, tcg_gen_gvec_shlv)
