A piece of C-defined assembly code for local variables

Vc6.0

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--- D:/Simon/try/wqer/1.C restart --------------------------------------------------------------------------------------------------------
1:
2:
3:
4:
5:
6:
7: int I = 0x10;
8: int arr_ I [5] = {0x11, 0x12, 0x13, 0x14, 0x15 };
9:
10: int main ()
11 :{
0040d360 push EBP
0040d361 mov EBP, ESP
0040d363 sub ESP, 7ch
0040d366 push EBX
0040d367 push ESI
0040d368 push EDI
0040d369 Lea EDI, [ebp-7Ch]
0040d36c mov ECx, 1fh
0040d371 mov eax, 0 cccccccch
0040d376 rep STOs dword ptr [EDI]
12 ://..
13: int B = arr_ I [3];
0040d378 mov eax, [_ arr_ I + 0ch (0020.a40)]
0040d37d mov dword ptr [ebp-4], eax
14:
15: int l_1 = 0x1;
0040d380 mov dword ptr [ebp-8], 1
16: int L_2 = 0x2;
0040d387 mov dword ptr [ebp-0Ch], 2
17: int L_3 = 0x3;
0040d38e mov dword ptr [ebp-10h], 3
18:
19: int l_arr_ I [5] = {0x21,0x22,0x23,0x24,0x25 };
0040d395 mov dword ptr [ebp-24h], 21 h
0040d39c mov dword ptr [ebp-20h], 22 h
0040d3a3 mov dword ptr [ebp-1Ch], 23 h
0040d3aa mov dword ptr [ebp-18h], 24 h
0040d3b1 mov dword ptr [ebp-14h], 25 h
20:
21: Char l_str_1 [7] = "123456 ";
0040d3b8 mov ECx, dword ptr [String "123456" (00422e80)]
0040d3be mov dword ptr [ebp-2Ch], ECx
0040d3c1 mov dx, word PTR [String "123456" + 4 (00422e84)]
0040d3c8 mov word PTR [ebp-28h], DX
0040d3cc mov Al, [String "123456" + 6 (00422e86)]
0040d3d1 mov byte PTR [ebp-26h], Al
22: Char l_str_2 [7] = {'1', '2', '3', '4', '5', '6', 0 };
0040d3d4 mov byte PTR [ebp-34h], 31 H
0040d3d8 mov byte PTR [ebp-33h], 32 h
0040d3dc mov byte PTR [ebp-32h], 33 H
0040d3e0 mov byte PTR [ebp-31h], 34 h
0040d3e4 mov byte PTR [ebp-30h], 35 h
0040d3e8 mov byte PTR [ebp-2Fh], 36 h
0040d3ec mov byte PTR [ebp-2Eh], 0
23: unsigned char l_uchstr [6] = {0 x, 0x80, 0 x, 0 x, 0x11, 0xfa };
0040d3f0 mov byte PTR [ebp-3Ch], 0
0040d3f4 mov byte PTR [ebp-3Bh], 80 h
0040d3f8 mov byte PTR [ebp-3Ah], 92 h
0040d3fc mov byte PTR [ebp-39h], 0
0040d400 mov byte PTR [ebp-38h], 11 h
0040d404 mov byte PTR [ebp-37h], 0fah
24 :}
0040d408 pop EDI
0040d409 pop ESI
0040d40a pop EBX
0040d40b mov ESP, EBP
0040d40d pop EBP
0040d40e RET

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Consider the following:

Different compilers have different processing methods.

The initialization efficiency during definition.
If the initial value is not used, this will affect the efficiency.