TDQ_SWITCHCNT
switchcnt = TDQ_SWITCHCNT(tdq);
switchcnt != TDQ_SWITCHCNT(tdq)) {
switchcnt = TDQ_SWITCHCNT(tdq);
switchcnt = TDQ_SWITCHCNT(tdq);
switchcnt = TDQ_SWITCHCNT(tdq);
switchcnt = TDQ_SWITCHCNT(tdq);