diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc
index 1893c41..ce8d6d0 100644
--- a/tcg/riscv/tcg-target.c.inc
+++ b/tcg/riscv/tcg-target.c.inc
@@ -276,6 +276,7 @@
     OPC_VADD_VV = 0x57 | V_OPIVV,
     OPC_VADD_VI = 0x57 | V_OPIVI,
     OPC_VSUB_VV = 0x8000057 | V_OPIVV,
+    OPC_VRSUB_VI = 0xc000057 | V_OPIVI,
     OPC_VAND_VV = 0x24000057 | V_OPIVV,
     OPC_VAND_VI = 0x24000057 | V_OPIVI,
     OPC_VOR_VV = 0x28000057 | V_OPIVV,
@@ -2367,6 +2368,10 @@
         set_vtype_len(s, type);
         tcg_out_opc_vi(s, OPC_VXOR_VI, a0, a1, -1);
         break;
+    case INDEX_op_neg_vec:
+        set_vtype_len_sew(s, type, vece);
+        tcg_out_opc_vi(s, OPC_VRSUB_VI, a0, a1, 0);
+        break;
     case INDEX_op_cmp_vec:
         tcg_out_cmpsel(s, type, vece, args[3], a0, a1, a2, c2,
                        -1, true, 0, true);
@@ -2397,6 +2402,7 @@
     case INDEX_op_or_vec:
     case INDEX_op_xor_vec:
     case INDEX_op_not_vec:
+    case INDEX_op_neg_vec:
     case INDEX_op_cmp_vec:
     case INDEX_op_cmpsel_vec:
         return 1;
@@ -2550,6 +2556,7 @@
     case INDEX_op_dupm_vec:
     case INDEX_op_ld_vec:
         return C_O1_I1(v, r);
+    case INDEX_op_neg_vec:
     case INDEX_op_not_vec:
         return C_O1_I1(v, v);
     case INDEX_op_add_vec:
diff --git a/tcg/riscv/tcg-target.h b/tcg/riscv/tcg-target.h
index 9403450..ae10381 100644
--- a/tcg/riscv/tcg-target.h
+++ b/tcg/riscv/tcg-target.h
@@ -152,7 +152,7 @@
 #define TCG_TARGET_HAS_nor_vec          0
 #define TCG_TARGET_HAS_eqv_vec          0
 #define TCG_TARGET_HAS_not_vec          1
-#define TCG_TARGET_HAS_neg_vec          0
+#define TCG_TARGET_HAS_neg_vec          1
 #define TCG_TARGET_HAS_abs_vec          0
 #define TCG_TARGET_HAS_roti_vec         0
 #define TCG_TARGET_HAS_rots_vec         0