Mention the unrolled loops can be cleaned up in the future

nhooyr · nhooyr · commit 3047f294c84d · 2019-04-29T07:59:34.000-04:00
diff --git a/xor.go b/xor.go
@@ -25,6 +25,9 @@ func fastXOR(key [4]byte, keyPos int, b []byte) int {
 		}
 		k := binary.LittleEndian.Uint64(alignedKey[:])
 
+		// At some point in the future we can clean these unrolled loops up.
+		// See https://github.com/golang/go/issues/31586#issuecomment-487436401
+
 		// Then we xor until b is less than 128 bytes.
 		for len(b) >= 128 {
 			v := binary.LittleEndian.Uint64(b)

Original file line number	Diff line number	Diff line change
`@@ -25,6 +25,9 @@ func fastXOR(key [4]byte, keyPos int, b []byte) int {`
`25`	`25`	`}`
`26`	`26`	`k := binary.LittleEndian.Uint64(alignedKey[:])`
`27`	`27`
	`28`	`+ // At some point in the future we can clean these unrolled loops up.`
	`29`	`+ // See https://github.com/golang/go/issues/31586#issuecomment-487436401`
	`30`	`+`
`28`	`31`	`// Then we xor until b is less than 128 bytes.`
`29`	`32`	`for len(b) >= 128 {`
`30`	`33`	`v := binary.LittleEndian.Uint64(b)`