func new224() hash.Hash {
	if cpu.S390X.HasSHA3 {
		return newAsmState(sha3_224)
	}
	return new224Generic()
}

// new256 returns an assembly implementation of SHA3-256 if available,
// otherwise it returns a generic implementation.
func new256() hash.Hash {
	if cpu.S390X.HasSHA3 {
		return newAsmState(sha3_256)
	}
	return new256Generic()
}