// movsd with no operands (as opposed to the SSE scalar move of a double) is an
// alias for movsl. (as in rep; movsd)
-def : InstAlias<"movsd", (MOVSD)>;
+def : InstAlias<"movsd", (MOVSD), 0>;
// movsx aliases
def : InstAlias<"movsx $src, $dst", (MOVSX16rr8 GR16:$dst, GR8:$src), 0>;