RCNT
for (r=1;r < 2*RCNT;r+=2*SKEIN_UNROLL_256) /* loop thru it */
#if (RCNT % SKEIN_UNROLL_512)
u64b_t kw[WCNT+4+RCNT*2]; /* key schedule words : chaining vars + tweak + "rotation"*/
for (r=1;r < 2*RCNT;r+=2*SKEIN_UNROLL_512) /* loop thru it */
#if (RCNT % SKEIN_UNROLL_1024)
u64b_t kw[WCNT+4+RCNT*2]; /* key schedule words : chaining vars + tweak + "rotation"*/
for (r=1;r <= 2*RCNT;r+=2*SKEIN_UNROLL_1024) /* loop thru it */
#if (RCNT % SKEIN_UNROLL_256)
u64b_t kw[WCNT+4+RCNT*2]; /* key schedule words : chaining vars + tweak + "rotation"*/