func golang.org/x/crypto/curve25519.cswap

2 uses

	golang.org/x/crypto/curve25519 (current package)
		curve25519_amd64.go#L16: func cswap(inout *[5]uint64, v uint64)
		curve25519_amd64.go#L52: 			cswap(&work[1], uint64(swap))