S44
II (b, c, d, a, in[ 5], S44, 4237533241U); /* 52 */
II (b, c, d, a, in[ 1], S44, 2240044497U); /* 56 */
II (b, c, d, a, in[13], S44, 1309151649U); /* 60 */
II (b, c, d, a, in[ 9], S44, 3951481745U); /* 64 */
II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */