var hashkey [4]uintptr

func alginit() {
	// Install AES hash algorithms if the instructions needed are present.
	if (GOARCH == "386" || GOARCH == "amd64") &&
		cpu.X86.HasAES && // AESENC
		cpu.X86.HasSSSE3 && // PSHUFB
		cpu.X86.HasSSE41 { // PINSR{D,Q}
		initAlgAES()
		return
	}
	if GOARCH == "arm64" && cpu.ARM64.HasAES {
		initAlgAES()
		return
	}
	for i := range hashkey {