r12w
buf[4 * k] = j53(r12w());
buf[4 * k + 1] = j53(r12w());
buf[4 * k + 3] = j53(r12w());
buf[4 * k + 2] = j53(r12w());
a = r12w(); w2(4);
SDT_NAME_REG(r12w, r12),