f3
#define f3(x) (f2(x) ^ x)
#define f3(x) ((x) ? pow[log[x] + 0x01] : 0)
#define f3(x,y,z) ( ( x & y ) | ( z & ( x | y ) ) ) /* Rounds 40-59 */
.macro f3 f, b, c, d
.macro f3 f, b, c, d