type Imm_hint uint8

func (Imm_hint) isArg() {}

func (i Imm_hint) String() string {
	return fmt.Sprintf("#%#x", uint32(i))
}

// An Imm_clrex is an integer constant for CLREX instruction.
type Imm_clrex uint8

func (Imm_clrex) isArg() {}

func (i Imm_clrex) String() string {
	if i == 15 {
		return ""
	}
	return fmt.Sprintf("#%#x", uint32(i))
}