R1                147 ext/standard/crypt_sha256.c #define R1(x) (CYCLIC (x, 17) ^ CYCLIC (x, 19) ^ (x >> 10))
R1                172 ext/standard/crypt_sha512.c #define R1(x) (CYCLIC (x, 19) ^ CYCLIC (x, 61) ^ (x >> 6))