instructions a b -- a^b XOR -> Pushes the bitwise XOR of bytes an and b. XORw -> Pushes the bitwise OR of words an and b. XORx -> Pushes the bitwise OR of bytes an and x. XORxw -> Pushes the bitwise OR of words an and xw. XORy -> Pushes the bitwise OR of bytes an and y. XORyw -> Pushes the bitwise OR of words an and yw. XORxy -> Pushes the bitwise OR of bytes x and y. XORxyw -> Pushes the bitwise OR of words xw and yw.