bCmp (ITFixed IT64)     op [B64 x, B64 y] = Just $ I (if (op x y) then 1 else 0)
bCmp (ITFixed IT64)     op [B64 x, B64 y] = Just $ I (if (op x y) then 1 else 0)
bCmp (ITFixed IT64)     op [B64 x, B64 y] = Just $ I (if (op x y) then 1 else 0)