func math/bits.LeadingZeros32

2 uses

	math/bits (current package)
		bits.go#L34: func LeadingZeros32(x uint32) int { return 32 - Len32(x) }

	github.com/andybalholm/brotli/matchfinder
		m4.go#L60: 	return (m.End-m.Start)*256 + (bits.LeadingZeros32(uint32(m.Start-m.Match))-32)*q.DistanceBitCost