a += x>>z | x<<(32-z)

	return a
}

func rot16nc(x uint16, z uint) uint16 {
	var a uint16

	z &= 15

	// amd64:"ROLW",-"ANDQ"
	// riscv64: "OR","SLL","SRL",-"AND\t"
	a += x<<z | x>>(16-z)

	// amd64:"RORW",-"ANDQ"
	// riscv64: "OR","SLL","SRL",-"AND\t"
	a += x>>z | x<<(16-z)

	return a
}

func rot8nc(x uint8, z uint) uint8 {
	var a uint8

	z &= 7