c++에서 최적화 코드 질문.

 
// 1
int result = 0;
for (int i = 0; i < 10; ++i)
	result += i;
std::cout << result;
 
// 2
int result = 0;
for (int i = 0; i != 10; ++i)
	result += i;
std::cout << result;

// 1
  mov         ecx,dword ptr ds:[0040203Ch] 
  push        2Dh  
  call        dword ptr ds:[00402038h] 
 
// 2
  xor         ecx,ecx 
  xor         eax,eax 
  add         ecx,eax 
  inc         eax  
  cmp         eax,0Ah 
  jne         00401012 
  push        ecx  
  mov         ecx,dword ptr ds:[0040203Ch] 
  call        dword ptr ds:[00402038h]