MD5_SHIFT_42
II(d, a, b, c, x_7, MD5_SHIFT_42, MD5_CONST_o(49)); /* 50 */
II(d, a, b, c, x_3, MD5_SHIFT_42, MD5_CONST_o(53)); /* 54 */
II(d, a, b, c, x_15, MD5_SHIFT_42, MD5_CONST_o(57)); /* 58 */
II(d, a, b, c, x_11, MD5_SHIFT_42, MD5_CONST_o(61)); /* 62 */