user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  sub    $0x8b0,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x189c(%rbp)
  jmp    L210
L69:
  movl   $0x0,-0x1898(%rbp)
  jmp    L322
L91:
  cmpl   $0x1,-0x189c(%rbp)
  jg     L209
  mov    $0xff,%edx
  jmp    L349
L209:
  mov    $0x0,%edx
L349:
  mov    -0x1898(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x189c(%rbp),%eax
  cltq
  shl    $0x7,%rax
  add    %rcx,%rax
  mov    %edx,-0x1810(%rbp,%rax,4)
  mov    -0x1898(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x189c(%rbp),%eax
  cltq
  shl    $0x7,%rax
  add    %rdx,%rax
  movl   $0x0,-0x1010(%rbp,%rax,4)
  mov    -0x1898(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x189c(%rbp),%eax
  cltq
  shl    $0x7,%rax
  add    %rdx,%rax
  movl   $0x0,-0x810(%rbp,%rax,4)
  addl   $0x1,-0x1898(%rbp)
L322:
  cmpl   $0x7f,-0x1898(%rbp)
  jle    L91
  addl   $0x1,-0x189c(%rbp)
L210:
  cmpl   $0x3,-0x189c(%rbp)
  jle    L69
  movl   $0x0,-0x1890(%rbp)
  jmp    L234
L420:
  cmpl   $0x0,-0x1890(%rbp)
  jne    L73
  movl   $0x1,-0x1840(%rbp)
  movl   $0x2,-0x183c(%rbp)
  movl   $0x1,-0x1838(%rbp)
  movl   $0x2,-0x1834(%rbp)
  movl   $0x4,-0x1830(%rbp)
  movl   $0x2,-0x182c(%rbp)
  movl   $0x1,-0x1828(%rbp)
  movl   $0x2,-0x1824(%rbp)
  movl   $0x1,-0x1820(%rbp)
L73:
  cmpl   $0x1,-0x1890(%rbp)
  jne    L28
  movl   $0x1,-0x1840(%rbp)
  movl   $0x0,-0x183c(%rbp)
  movl   $0xffffffff,-0x1838(%rbp)
  movl   $0x2,-0x1834(%rbp)
  movl   $0x0,-0x1830(%rbp)
  movl   $0xfffffffe,-0x182c(%rbp)
  movl   $0x1,-0x1828(%rbp)
  movl   $0x0,-0x1824(%rbp)
  movl   $0xffffffff,-0x1820(%rbp)
L28:
  cmpl   $0x2,-0x1890(%rbp)
  jne    L181
  movl   $0x1,-0x1840(%rbp)
  movl   $0x2,-0x183c(%rbp)
  movl   $0x1,-0x1838(%rbp)
  movl   $0x0,-0x1834(%rbp)
  movl   $0x0,-0x1830(%rbp)
  movl   $0x0,-0x182c(%rbp)
  movl   $0xffffffff,-0x1828(%rbp)
  movl   $0xfffffffe,-0x1824(%rbp)
  movl   $0xffffffff,-0x1820(%rbp)
L181:
  movl   $0x1,-0x1874(%rbp)
  movl   $0x1,-0x1870(%rbp)
  movl   $0x0,-0x1884(%rbp)
  movl   $0x0,-0x188c(%rbp)
  jmp    L443
L410:
  movl   $0x0,-0x1888(%rbp)
  jmp    L10
L319:
  mov    -0x1888(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x188c(%rbp),%eax
  movslq %eax,%rdx
  mov    %rdx,%rax
  add    %rax,%rax
  add    %rdx,%rax
  add    %rcx,%rax
  mov    -0x1840(%rbp,%rax,4),%eax
  mov    %eax,-0x1880(%rbp)
  cmpl   $0x0,-0x1880(%rbp)
  jns    L345
  negl   -0x1880(%rbp)
L345:
  mov    -0x1880(%rbp),%eax
  add    %eax,-0x1884(%rbp)
  addl   $0x1,-0x1888(%rbp)
L10:
  cmpl   $0x2,-0x1888(%rbp)
  jle    L319
  addl   $0x1,-0x188c(%rbp)
L443:
  cmpl   $0x2,-0x188c(%rbp)
  jle    L410
  cmpl   $0x0,-0x1884(%rbp)
  jne    L9
  movl   $0x1,-0x1884(%rbp)
L9:
  movl   $0x0,-0x188c(%rbp)
  jmp    L83
L439:
  movl   $0x0,-0x1888(%rbp)
  jmp    L373
L229:
  cmpl   $0x0,-0x1890(%rbp)
  jne    L153
  mov    -0x1888(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x188c(%rbp),%eax
  cltq
  shl    $0x7,%rax
  add    %rdx,%rax
  mov    -0x1810(%rbp,%rax,4),%eax
  jmp    L495
L153:
  mov    -0x1888(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x188c(%rbp),%eax
  cltq
  shl    $0x7,%rax
  add    %rdx,%rax
  mov    -0x810(%rbp,%rax,4),%eax
L495:
  mov    %eax,-0x186c(%rbp)
  cmpl   $0x0,-0x1890(%rbp)
  jne    L113
  mov    -0x1888(%rbp),%eax
  add    $0x1,%eax
  movslq %eax,%rdx
  mov    -0x188c(%rbp),%eax
  cltq
  shl    $0x7,%rax
  add    %rdx,%rax
  mov    -0x1810(%rbp,%rax,4),%eax
  jmp    L365
L113:
  mov    -0x1888(%rbp),%eax
  add    $0x1,%eax
  movslq %eax,%rdx
  mov    -0x188c(%rbp),%eax
  cltq
  shl    $0x7,%rax
  add    %rdx,%rax
  mov    -0x810(%rbp,%rax,4),%eax
L365:
  mov    %eax,-0x1868(%rbp)
  cmpl   $0x0,-0x1890(%rbp)
  jne    L96
  mov    -0x1888(%rbp),%eax
  add    $0x2,%eax
  movslq %eax,%rdx
  mov    -0x188c(%rbp),%eax
  cltq
  shl    $0x7,%rax
  add    %rdx,%rax
  mov    -0x1810(%rbp,%rax,4),%eax
  jmp    L140
L96:
  mov    -0x1888(%rbp),%eax
  add    $0x2,%eax
  movslq %eax,%rdx
  mov    -0x188c(%rbp),%eax
  cltq
  shl    $0x7,%rax
  add    %rdx,%rax
  mov    -0x810(%rbp,%rax,4),%eax
L140:
  mov    %eax,-0x1864(%rbp)
  cmpl   $0x0,-0x1890(%rbp)
  jne    L508
  mov    -0x188c(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x1888(%rbp),%eax
  movslq %eax,%rcx
  movslq %edx,%rax
  shl    $0x7,%rax
  add    %rcx,%rax
  mov    -0x1810(%rbp,%rax,4),%eax
  jmp    L334
L508:
  mov    -0x188c(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x1888(%rbp),%eax
  movslq %eax,%rcx
  movslq %edx,%rax
  shl    $0x7,%rax
  add    %rcx,%rax
  mov    -0x810(%rbp,%rax,4),%eax
L334:
  mov    %eax,-0x1860(%rbp)
  cmpl   $0x0,-0x1890(%rbp)
  jne    L294
  mov    -0x188c(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x1888(%rbp),%eax
  add    $0x1,%eax
  movslq %eax,%rcx
  movslq %edx,%rax
  shl    $0x7,%rax
  add    %rcx,%rax
  mov    -0x1810(%rbp,%rax,4),%eax
  jmp    L126
L294:
  mov    -0x188c(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x1888(%rbp),%eax
  add    $0x1,%eax
  movslq %eax,%rcx
  movslq %edx,%rax
  shl    $0x7,%rax
  add    %rcx,%rax
  mov    -0x810(%rbp,%rax,4),%eax
L126:
  mov    %eax,-0x185c(%rbp)
  cmpl   $0x0,-0x1890(%rbp)
  jne    L34
  mov    -0x188c(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x1888(%rbp),%eax
  add    $0x2,%eax
  movslq %eax,%rcx
  movslq %edx,%rax
  shl    $0x7,%rax
  add    %rcx,%rax
  mov    -0x1810(%rbp,%rax,4),%eax
  jmp    L122
L34:
  mov    -0x188c(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x1888(%rbp),%eax
  add    $0x2,%eax
  movslq %eax,%rcx
  movslq %edx,%rax
  shl    $0x7,%rax
  add    %rcx,%rax
  mov    -0x810(%rbp,%rax,4),%eax
L122:
  mov    %eax,-0x1858(%rbp)
  cmpl   $0x0,-0x1890(%rbp)
  jne    L512
  mov    -0x188c(%rbp),%eax
  lea    0x2(%rax),%edx
  mov    -0x1888(%rbp),%eax
  movslq %eax,%rcx
  movslq %edx,%rax
  shl    $0x7,%rax
  add    %rcx,%rax
  mov    -0x1810(%rbp,%rax,4),%eax
  jmp    L481
L512:
  mov    -0x188c(%rbp),%eax
  lea    0x2(%rax),%edx
  mov    -0x1888(%rbp),%eax
  movslq %eax,%rcx
  movslq %edx,%rax
  shl    $0x7,%rax
  add    %rcx,%rax
  mov    -0x810(%rbp,%rax,4),%eax
L481:
  mov    %eax,-0x1854(%rbp)
  cmpl   $0x0,-0x1890(%rbp)
  jne    L386
  mov    -0x188c(%rbp),%eax
  lea    0x2(%rax),%edx
  mov    -0x1888(%rbp),%eax
  add    $0x1,%eax
  movslq %eax,%rcx
  movslq %edx,%rax
  shl    $0x7,%rax
  add    %rcx,%rax
  mov    -0x1810(%rbp,%rax,4),%eax
  jmp    L82
L386:
  mov    -0x188c(%rbp),%eax
  lea    0x2(%rax),%edx
  mov    -0x1888(%rbp),%eax
  add    $0x1,%eax
  movslq %eax,%rcx
  movslq %edx,%rax
  shl    $0x7,%rax
  add    %rcx,%rax
  mov    -0x810(%rbp,%rax,4),%eax
L82:
  mov    %eax,-0x1850(%rbp)
  cmpl   $0x0,-0x1890(%rbp)
  jne    L307
  mov    -0x188c(%rbp),%eax
  lea    0x2(%rax),%edx
  mov    -0x1888(%rbp),%eax
  add    $0x2,%eax
  movslq %eax,%rcx
  movslq %edx,%rax
  shl    $0x7,%rax
  add    %rcx,%rax
  mov    -0x1810(%rbp,%rax,4),%eax
  jmp    L246
L307:
  mov    -0x188c(%rbp),%eax
  lea    0x2(%rax),%edx
  mov    -0x1888(%rbp),%eax
  add    $0x2,%eax
  movslq %eax,%rcx
  movslq %edx,%rax
  shl    $0x7,%rax
  add    %rcx,%rax
  mov    -0x810(%rbp,%rax,4),%eax
L246:
  mov    %eax,-0x184c(%rbp)
  mov    -0x1840(%rbp),%eax
  imul   -0x186c(%rbp),%eax
  mov    %eax,%edx
  mov    -0x183c(%rbp),%eax
  imul   -0x1868(%rbp),%eax
  add    %eax,%edx
  mov    -0x1838(%rbp),%eax
  imul   -0x1864(%rbp),%eax
  add    %eax,%edx
  mov    -0x1834(%rbp),%eax
  imul   -0x1860(%rbp),%eax
  add    %eax,%edx
  mov    -0x1830(%rbp),%eax
  imul   -0x185c(%rbp),%eax
  add    %eax,%edx
  mov    -0x182c(%rbp),%eax
  imul   -0x1858(%rbp),%eax
  add    %eax,%edx
  mov    -0x1828(%rbp),%eax
  imul   -0x1854(%rbp),%eax
  add    %eax,%edx
  mov    -0x1824(%rbp),%eax
  imul   -0x1850(%rbp),%eax
  add    %eax,%edx
  mov    -0x1820(%rbp),%eax
  imul   -0x184c(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x1848(%rbp)
  mov    -0x1848(%rbp),%eax
  cltd
  idivl  -0x1884(%rbp)
  mov    %eax,-0x1844(%rbp)
  cmpl   $0x0,-0x1890(%rbp)
  jne    L326
  mov    -0x188c(%rbp),%edx
  mov    -0x1874(%rbp),%eax
  add    %edx,%eax
  mov    -0x1888(%rbp),%ecx
  mov    -0x1870(%rbp),%edx
  add    %ecx,%edx
  movslq %edx,%rdx
  cltq
  shl    $0x7,%rax
  add    %rax,%rdx
  mov    -0x1844(%rbp),%eax
  mov    %eax,-0x810(%rbp,%rdx,4)
  jmp    L129
L326:
  cmpl   $0x1,-0x1890(%rbp)
  jne    L6
  mov    -0x188c(%rbp),%edx
  mov    -0x1874(%rbp),%eax
  add    %edx,%eax
  mov    -0x1888(%rbp),%ecx
  mov    -0x1870(%rbp),%edx
  add    %ecx,%edx
  movslq %edx,%rdx
  cltq
  shl    $0x7,%rax
  add    %rax,%rdx
  mov    -0x1844(%rbp),%eax
  mov    %eax,-0x1810(%rbp,%rdx,4)
  jmp    L129
L6:
  mov    -0x188c(%rbp),%edx
  mov    -0x1874(%rbp),%eax
  add    %edx,%eax
  mov    -0x1888(%rbp),%ecx
  mov    -0x1870(%rbp),%edx
  add    %ecx,%edx
  movslq %edx,%rdx
  cltq
  shl    $0x7,%rax
  add    %rax,%rdx
  mov    -0x1844(%rbp),%eax
  mov    %eax,-0x1010(%rbp,%rdx,4)
L129:
  addl   $0x1,-0x1888(%rbp)
L373:
  cmpl   $0x7d,-0x1888(%rbp)
  jle    L229
  addl   $0x1,-0x188c(%rbp)
L83:
  cmpl   $0x1,-0x188c(%rbp)
  jle    L439
  addl   $0x1,-0x1890(%rbp)
L234:
  cmpl   $0x2,-0x1890(%rbp)
  jle    L420
  movl   $0x0,-0x1894(%rbp)
  movl   $0x0,-0x189c(%rbp)
  jmp    L112
L98:
  movl   $0x0,-0x1898(%rbp)
  jmp    L46
L44:
  mov    -0x1898(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x189c(%rbp),%eax
  cltq
  shl    $0x7,%rax
  add    %rdx,%rax
  mov    -0x1810(%rbp,%rax,4),%eax
  mov    %eax,-0x18a4(%rbp)
  cmpl   $0x0,-0x18a4(%rbp)
  jns    L31
  negl   -0x18a4(%rbp)
L31:
  mov    -0x1898(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x189c(%rbp),%eax
  cltq
  shl    $0x7,%rax
  add    %rdx,%rax
  mov    -0x1010(%rbp,%rax,4),%eax
  mov    %eax,-0x18a0(%rbp)
  cmpl   $0x0,-0x18a0(%rbp)
  jns    L169
  negl   -0x18a0(%rbp)
L169:
  mov    -0x18a0(%rbp),%edx
  mov    -0x18a4(%rbp),%eax
  cmp    %eax,%edx
  cmovge %edx,%eax
  mov    %eax,-0x187c(%rbp)
  cmpl   $0x7f,-0x187c(%rbp)
  jle    L296
  mov    $0xff,%eax
  jmp    L503
L296:
  mov    $0x0,%eax
L503:
  mov    %eax,-0x1878(%rbp)
  mov    -0x1898(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x189c(%rbp),%eax
  cltq
  shl    $0x7,%rax
  add    %rax,%rdx
  mov    -0x1878(%rbp),%eax
  mov    %eax,-0x810(%rbp,%rdx,4)
  mov    -0x1878(%rbp),%eax
  add    %eax,-0x1894(%rbp)
  addl   $0x1,-0x1898(%rbp)
L46:
  cmpl   $0x7f,-0x1898(%rbp)
  jle    L44
  addl   $0x1,-0x189c(%rbp)
L112:
  cmpl   $0x3,-0x189c(%rbp)
  jle    L98
  cmpl   $0x817e,-0x1894(%rbp)
  jne    L484
  mov    $0xbadbeef,%eax
  jmp    L416
L484:
  mov    $0xbad,%eax
L416:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L475
  call   <__stack_chk_fail@plt>
L475:
  leave
  ret
```

assistant: ```c
int main() {
  int temp1, temp2, temp3, temp4;
  int i;
  int j;
  int checksum, iter;
  int r;
  int c;
  int dead_rows;
  int dead_cols;
  int sum;
  int normal_factor;
  int image_buffer1[4][128];
  int image_buffer2[4][128];
  int image_buffer3[4][128];
  int filter[3][3];
  for (i = 0; i < 4; i++)
    for (j = 0; j < 128; j++) {
      image_buffer1[i][j] = (i < 4 / 2) ? 255 : 0;
      image_buffer2[i][j] = 0;
      image_buffer3[i][j] = 0;
    }
  for (iter = 0; iter < 3; iter++) {
    if (iter == 0) {
      filter[0][0] = 1;
      filter[0][1] = 2;
      filter[0][2] = 1;
      filter[1][0] = 2;
      filter[1][1] = 4;
      filter[1][2] = 2;
      filter[2][0] = 1;
      filter[2][1] = 2;
      filter[2][2] = 1;
    }
    if (iter == 1) {
      filter[0][0] = 1;
      filter[0][1] = 0;
      filter[0][2] = -1;
      filter[1][0] = 2;
      filter[1][1] = 0;
      filter[1][2] = -2;
      filter[2][0] = 1;
      filter[2][1] = 0;
      filter[2][2] = -1;
    }
    if (iter == 2) {
      filter[0][0] = 1;
      filter[0][1] = 2;
      filter[0][2] = 1;
      filter[1][0] = 0;
      filter[1][1] = 0;
      filter[1][2] = 0;
      filter[2][0] = -1;
      filter[2][1] = -2;
      filter[2][2] = -1;
    }
    dead_rows = 1;
    dead_cols = 1;
    normal_factor = 0;
    for (r = 0; r < 3; r++)
      for (c = 0; c < 3; c++) {
        int tmp = filter[r][c];
        if (tmp < 0)
          tmp = -tmp;
        normal_factor = normal_factor + tmp;
      }
    if (normal_factor == 0)
      normal_factor = 1;
    for (r = 0; r < 4 - 2; r++)
      for (c = 0; c < 128 - 2; c++) {
        int out, in0, in1, in2, in3, in4, in5, in6, in7, in8;
        in0 = (iter == 0) ? image_buffer1[r + 0][c + 0] : image_buffer3[r + 0][c + 0];
        in1 = (iter == 0) ? image_buffer1[r + 0][c + 1] : image_buffer3[r + 0][c + 1];
        in2 = (iter == 0) ? image_buffer1[r + 0][c + 2] : image_buffer3[r + 0][c + 2];
        in3 = (iter == 0) ? image_buffer1[r + 1][c + 0] : image_buffer3[r + 1][c + 0];
        in4 = (iter == 0) ? image_buffer1[r + 1][c + 1] : image_buffer3[r + 1][c + 1];
        in5 = (iter == 0) ? image_buffer1[r + 1][c + 2] : image_buffer3[r + 1][c + 2];
        in6 = (iter == 0) ? image_buffer1[r + 2][c + 0] : image_buffer3[r + 2][c + 0];
        in7 = (iter == 0) ? image_buffer1[r + 2][c + 1] : image_buffer3[r + 2][c + 1];
        in8 = (iter == 0) ? image_buffer1[r + 2][c + 2] : image_buffer3[r + 2][c + 2];
        sum = in0 * filter[0][0] + in1 * filter[0][1] + in2 * filter[0][2] + in3 * filter[1][0] + in4 * filter[1][1] + in5 * filter[1][2] + in6 * filter[2][0] + in7 * filter[2][1] + in8 * filter[2][2];
        out = sum / normal_factor;
        if (iter == 0)
          image_buffer3[r + dead_rows][c + dead_cols] = out;
        else if (iter == 1)
          image_buffer1[r + dead_rows][c + dead_cols] = out;
        else
          image_buffer2[r + dead_rows][c + dead_cols] = out;
      }
  }
  checksum = 0;
  for (i = 0; i < 4; i++)
    for (j = 0; j < 128; j++) {
      temp1 = image_buffer1[i][j];
      if (temp1 < 0)
        temp1 = -temp1;
      temp2 = image_buffer2[i][j];
      if (temp2 < 0)
        temp2 = -temp2;
      temp3 = (temp2 < temp1) ? temp1 : temp2;
      temp4 = (127 < temp3) ? 255 : 0;
      image_buffer3[i][j] = temp4;
      checksum += temp4;
    }
  if (checksum == 33150) {
    return 0xbadbeef;
  } else {
    return 0xbad;
  }
}
```