runtime.GOARCH == "ppc64le" ||
	runtime.GOARCH == "s390x"

func xorBytes(dstb, xb, yb *byte, n int) {
	// xorBytes assembly is written using pointers and n. Back to slices.
	dst := unsafe.Slice(dstb, n)
	x := unsafe.Slice(xb, n)
	y := unsafe.Slice(yb, n)

	if supportsUnaligned || aligned(dstb, xb, yb) {
		xorLoop(words(dst), words(x), words(y))
		if uintptr(n)%wordSize == 0 {
			return
		}

		return "null"
	}
	js, err := protomarshal.ToJSONWithOptions(val, "", true)
	if err != nil {
		return err.Error()
	}
	yb, err := yaml.JSONToYAML([]byte(js))
	if err != nil {
		return err.Error()
	}
	return string(yb)
}

// MarshalWithJSONPB returns a YAML string representation of val (using jsonpb).
func MarshalWithJSONPB(val proto.Message) (string, error) {

000000a0  92 17 03 03 02 6d 2a 26  5c 45 13 5f 75 46 56 41  |.....m*&\E._uFVA|
000000b0  25 92 a1 6f cd 7b 01 e2  cb 76 81 4d 33 f0 9d d1  |%..o.{...v.M3...|
000000c0  0d db b1 90 1a a7 d9 a8  4a 79 b1 12 59 62 0d c8  |........Jy..Yb..|
000000d0  cc 92 16 26 27 3e 07 b6  8a 15 77 a8 f6 c3 02 e7  |...&'>....w.....|
000000e0  44 0d b5 d3 11 57 6b 81  15 7d 23 b3 91 82 21 3c  |D....Wk..}#...!<|