type_ int8
	size_ int8 // the value of this field is not static, use the size() method to return the value
	param int16
	flag  int8
	scond uint8
}

func IsAtomicInstruction(as obj.As) bool {
	if _, ok := atomicLDADD[as]; ok {
		return true
	}
	if _, ok := atomicSWP[as]; ok {
		return true
	}
	return false
}

// known field values of an instruction.