func internal/runtime/sys.Len64

7 uses

	internal/runtime/sys (current package)
		intrinsics.go#L99: func Len64(x uint64) (n int) {
		intrinsics.go#L153: func LeadingZeros64(x uint64) int { return 64 - Len64(x) }

	internal/runtime/maps
		group.go#L265: 	v := (uint64(1) << sys.Len64(n-1))

	runtime
		histogram.go#L119: 	if l := sys.Len64(uint64(duration)); l < timeHistMinBucketBits {
		iface.go#L522: 	newN = 1 << sys.Len64(uint64(newN-1)) // round up to a power of 2
		iface.go#L628: 	newN = 1 << sys.Len64(uint64(newN-1)) // round up to a power of 2
		traceallocfree.go#L161: 	return traceArg(sys.Len64(uint64(size)))