diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c
index d4b3354626..8a508136ce 100644
--- a/tcg/ppc/tcg-target.inc.c
+++ b/tcg/ppc/tcg-target.inc.c
@@ -3102,6 +3102,14 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
         }
         break;
 
+    case INDEX_op_dup2_vec:
+        assert(TCG_TARGET_REG_BITS == 32);
+        /* With inputs a1 = xLxx, a2 = xHxx  */
+        tcg_out32(s, VMRGHW | VRT(a0) | VRA(a2) | VRB(a1));  /* a0  = xxHL */
+        tcg_out_vsldoi(s, TCG_VEC_TMP1, a0, a0, 8);          /* tmp = HLxx */
+        tcg_out_vsldoi(s, a0, a0, TCG_VEC_TMP1, 8);          /* a0  = HLHL */
+        return;
+
     case INDEX_op_ppc_mrgh_vec:
         insn = mrgh_op[vece];
         break;
@@ -3480,6 +3488,7 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op)
     case INDEX_op_ppc_mulou_vec:
     case INDEX_op_ppc_pkum_vec:
     case INDEX_op_ppc_rotl_vec:
+    case INDEX_op_dup2_vec:
         return &v_v_v;
     case INDEX_op_not_vec:
     case INDEX_op_dup_vec: