return fmt.Sprintf("ArgType(%d)", int(t))
	case TypeUnknown:
		return "Unknown"
	case TypeReg:
		return "Reg"
	case TypeCondRegBit:
		return "CondRegBit"
	case TypeCondRegField:
		return "CondRegField"
	case TypeFPReg:
		return "FPReg"
	case TypeVecReg:
		return "VecReg"
	case TypeVecSReg:
		return "VecSReg"
	case TypeVecSpReg:
		return "VecSpReg"
	case TypeMMAReg:
		return "MMAReg"