ROTR64            698 ext/hash/hash_sha.c #define SHA512_F2(x)			(ROTR64(28, x) ^ ROTR64(34, x) ^ ROTR64(39, x))
ROTR64            700 ext/hash/hash_sha.c #define SHA512_F3(x)			(ROTR64(14, x) ^ ROTR64(18, x) ^ ROTR64(41, x))
ROTR64            702 ext/hash/hash_sha.c #define SHA512_F4(x)			(ROTR64( 1, x) ^ ROTR64( 8, x) ^ SHR(7, x))
ROTR64            704 ext/hash/hash_sha.c #define SHA512_F5(x)			(ROTR64(19, x) ^ ROTR64(61, x) ^ SHR(6, x))