diff --git a/tcg/tcg-op-vec.c b/tcg/tcg-op-vec.c
index faf30f9..463dabf 100644
--- a/tcg/tcg-op-vec.c
+++ b/tcg/tcg-op-vec.c
@@ -371,23 +371,32 @@
 
 void tcg_gen_nand_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b)
 {
-    /* TODO: Add TCG_TARGET_HAS_nand_vec when adding a backend supports it. */
-    tcg_gen_and_vec(0, r, a, b);
-    tcg_gen_not_vec(0, r, r);
+    if (TCG_TARGET_HAS_nand_vec) {
+        vec_gen_op3(INDEX_op_nand_vec, 0, r, a, b);
+    } else {
+        tcg_gen_and_vec(0, r, a, b);
+        tcg_gen_not_vec(0, r, r);
+    }
 }
 
 void tcg_gen_nor_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b)
 {
-    /* TODO: Add TCG_TARGET_HAS_nor_vec when adding a backend supports it. */
-    tcg_gen_or_vec(0, r, a, b);
-    tcg_gen_not_vec(0, r, r);
+    if (TCG_TARGET_HAS_nor_vec) {
+        vec_gen_op3(INDEX_op_nor_vec, 0, r, a, b);
+    } else {
+        tcg_gen_or_vec(0, r, a, b);
+        tcg_gen_not_vec(0, r, r);
+    }
 }
 
 void tcg_gen_eqv_vec(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b)
 {
-    /* TODO: Add TCG_TARGET_HAS_eqv_vec when adding a backend supports it. */
-    tcg_gen_xor_vec(0, r, a, b);
-    tcg_gen_not_vec(0, r, r);
+    if (TCG_TARGET_HAS_eqv_vec) {
+        vec_gen_op3(INDEX_op_eqv_vec, 0, r, a, b);
+    } else {
+        tcg_gen_xor_vec(0, r, a, b);
+        tcg_gen_not_vec(0, r, r);
+    }
 }
 
 static bool do_op2(unsigned vece, TCGv_vec r, TCGv_vec a, TCGOpcode opc)