S23
GG (c, d, a, b, x[ 8], S23); /* 19 */
GG (c, d, a, b, x[ 9], S23); /* 23 */
GG (c, d, a, b, x[10], S23); /* 27 */
GG (c, d, a, b, x[11], S23); /* 31 */
GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
RETURNI(((((((((((S25*dx2 + S23)*dx2 +
S23 = 3.8679983530666939e-23, /* 0x17617002b73afc.0p-127 */