bfa_reqq_pi
(((bfa_reqq_pi(__bfa, __reqq) + 1) & \
+ bfa_reqq_pi((__bfa), (__reqq)))))
bfa_reqq_pi(bfa, q) = 0;
bfa_trc(bfa, bfa_reqq_pi(bfa, BFA_REQQ_FCXP));