SSTATUS_FS_OFF
KASSERT((pcb->pcb_tf->tf_sstatus & SSTATUS_FS_MASK) == SSTATUS_FS_OFF);
if ((tf->tf_sstatus & SSTATUS_FS_MASK) == SSTATUS_FS_OFF ||
tf->tf_sstatus |= SSTATUS_FS_OFF;
tf->tf_sstatus |= SSTATUS_FS_OFF;
tf->tf_sstatus |= SSTATUS_FS_OFF;
tf->tf_sstatus |= SSTATUS_FS_OFF;
if ((frame->tf_sstatus & SSTATUS_FS_MASK) == SSTATUS_FS_OFF) {