def : InstAlias<"flush", (FLUSH), 0>;
+def : MnemonicAlias<"lduw", "ld">, Requires<[HasV9]>;
+def : MnemonicAlias<"lduwa", "lda">, Requires<[HasV9]>;
+
def : MnemonicAlias<"return", "rett">, Requires<[HasV9]>;
def : MnemonicAlias<"addc", "addx">, Requires<[HasV9]>;