FCW_RM
yy.i[2] = ((rm == FCW_RM)? 0x8000 : 0);
zz.i[2] = rm == FCW_RM ? 0x8000 : 0;
if (sz && (rm == FCW_RM || rm == FCW_RP))
rm = (FCW_RM + FCW_RP) - rm;