func runtime/internal/atomic.Xchg64

3 uses

	runtime/internal/atomic (current package)
		atomic_arm64.go#L24: func Xchg64(ptr *uint64, new uint64) uint64

	runtime
		proc.go#L2867: 	if netpollinited() && (atomic.Load(&netpollWaiters) > 0 || pollUntil != 0) && atomic.Xchg64(&sched.lastpoll, 0) != 0 {
		runtime1.go#L129: 	if atomic.Xchg64(&test_z64, (3<<40)+3) != (2<<40)+2 {