sha512_round
sha512_round(SHA_LONG64 *a, SHA_LONG64 *b, SHA_LONG64 *c, SHA_LONG64 *d,
#define sha512_round(h0, h1, h2, h3, h4, h5, w, k) \
#define sha512_round(idx, a, b, c, d, e, f, g, h, k, w, wt) \