#include<stdio.h>
__int64 Function()
{
__int64 x = 0x1234567890;
return x;
/*
使用两个32位的寄存器返回64位的值
mov eax,dword ptr [x]
mov edx,dword ptr [ebp-8]
*/
}
int main()
{
__int64 x = 0;
x= Function();
/*
__int64 x = 0;
012B173E xorps xmm0,xmm0
012B1741 movlpd qword ptr [x],xmm0
x= Function();
012B1746 call Function (012B102Dh)
012B174B mov dword ptr [x],eax
012B174E mov dword ptr [ebp-8],edx
*/
return 0;
}