_Q_PENDING_OFFSET
"I", _Q_PENDING_OFFSET) * _Q_PENDING_VAL;
#define _Q_TAIL_IDX_OFFSET (_Q_PENDING_OFFSET + _Q_PENDING_BITS)
#define _Q_PENDING_VAL (1U << _Q_PENDING_OFFSET)
#define _Q_PENDING_VAL (1U << _Q_PENDING_OFFSET)
#define _Q_TAIL_IDX_OFFSET (_Q_PENDING_OFFSET + _Q_PENDING_BITS)