sword to offer 048

class  {
public:
    int Add(int num1, int num2) {

//            int temp = num1 ^ num2;
//            num2 = (num1 & num2) << 1;
//            num1 = temp;
//        }
//        return num1;
        __asm__(    "addl %%ebx, %%eax;"
                    : "=a"(num1)
                    : "a" (num1), "b" (num2)
        );
        return num1;
    }
};