//go:build arm64 && !gccgo && !appengine

package countlines

func CountNewlines(s []byte) uint64 {
	if len(s) == 0 {
		return 0
	}

	return countNewlinesASM(&s[0], uint64(len(s)))
}

//go:noescape
func countNewlinesASM(src *byte, len uint64) (ret uint64)