Swap Comparison

XOR
void Swap(int* x, int* y)
{
01043CE0  push        ebp
01043CE1  mov         ebp,esp
01043CE3  sub         esp,0C0h
01043CE9  push        ebx
01043CEA  push        esi
01043CEB  push        edi
01043CEC  lea         edi,[ebp-0C0h]
01043CF2  mov         ecx,30h
01043CF7  mov         eax,0CCCCCCCCh
01043CFC  rep stos    dword ptr es:[edi]
    if (x != y)
01043CFE  mov         eax,dword ptr [x]
01043D01  cmp         eax,dword ptr [y]
01043D04  je          Swap+53h (01043D33h)
    {
        (*x) ^= (*y);
01043D06  mov         eax,dword ptr [x]
01043D09  mov         ecx,dword ptr [y]
01043D0C  mov         edx,dword ptr [eax]
01043D0E  xor         edx,dword ptr [ecx]
01043D10  mov         eax,dword ptr [x]
01043D13  mov         dword ptr [eax],edx
        (*y) ^= (*x);
01043D15  mov         eax,dword ptr [y]
01043D18  mov         ecx,dword ptr [x]
01043D1B  mov         edx,dword ptr [eax]
01043D1D  xor         edx,dword ptr [ecx]
01043D1F  mov         eax,dword ptr [y]
01043D22  mov         dword ptr [eax],edx
        (*x) ^= (*y);
01043D24  mov         eax,dword ptr [x]
01043D27  mov         ecx,dword ptr [y]
01043D2A  mov         edx,dword ptr [eax]
01043D2C  xor         edx,dword ptr [ecx]
01043D2E  mov         eax,dword ptr [x]
01043D31  mov         dword ptr [eax],edx
    }
}
01043D33  pop         edi
01043D34  pop         esi
01043D35  pop         ebx
01043D36  mov         esp,ebp
01043D38  pop         ebp
01043D39  ret


===============================================================================
TEMP
void Swap(int* x, int* y)
{
000A3CE0  push        ebp
000A3CE1  mov         ebp,esp
000A3CE3  sub         esp,0CCh
000A3CE9  push        ebx
000A3CEA  push        esi
000A3CEB  push        edi
000A3CEC  lea         edi,[ebp-0CCh]
000A3CF2  mov         ecx,33h
000A3CF7  mov         eax,0CCCCCCCCh
000A3CFC  rep stos    dword ptr es:[edi]
    int temp = (*x);
000A3CFE  mov         eax,dword ptr [x]
000A3D01  mov         ecx,dword ptr [eax]
000A3D03  mov         dword ptr [temp],ecx
    (*x) = (*y);
000A3D06  mov         eax,dword ptr [x]
000A3D09  mov         ecx,dword ptr [y]
000A3D0C  mov         edx,dword ptr [ecx]
000A3D0E  mov         dword ptr [eax],edx
    (*y) = temp;
000A3D10  mov         eax,dword ptr [y]
000A3D13  mov         ecx,dword ptr [temp]
000A3D16  mov         dword ptr [eax],ecx
}
000A3D18  pop         edi
000A3D19  pop         esi
000A3D1A  pop         ebx
000A3D1B  mov         esp,ebp
000A3D1D  pop         ebp
000A3D1E  ret