SKEIN1024_ROUNDS_TOTAL
#define RCNT (SKEIN1024_ROUNDS_TOTAL/8)
#define R1024_Unroll_R(NN) ((SKEIN_UNROLL_1024 == 0 && SKEIN1024_ROUNDS_TOTAL/8 > (NN)) || (SKEIN_UNROLL_1024 > (NN)))