bsrl
return (mask == 0 ? mask : (int)bsrl((u_int)mask) + 1);
u_int bsrl(u_int mask);
pri = bsrl(idqbits);
pri = bsrl(tsqbits);
pri = bsrl(rtqbits);
if (rdd->rtqueuebits && hpri < (pri = bsrl(rdd->rtqueuebits)))
if (rdd->queuebits && hpri < (pri = bsrl(rdd->queuebits)))
if (rdd->idqueuebits && hpri < (pri = bsrl(rdd->idqueuebits)))