user: 请将以下的汇编代码转换成C语言代码:

```asm
<diag_increase>:
  endbr64
  movslq %edi,%r8
  mov    %rdx,%rdi
  movslq %esi,%rdx
  sub    $0x1,%ecx
  mov    (%rdi,%rdx,8),%rdx
  mov    %r8,%rax
  mov    (%rdx,%r8,4),%r8d
  test   %esi,%esi
  jle    L134
  cmp    %ecx,%eax
  jge    L134
  lea    -0x1(%rsi),%edx
  lea    0x1(%rax),%r9d
  test   %edx,%edx
  jle    L343
  cmp    %r9d,%ecx
  jle    L343
  lea    0x2(%rax),%edx
  lea    -0x2(%rsi),%r9d
  cmp    %edx,%ecx
  jle    L411
  test   %r9d,%r9d
  jle    L411
  sub    $0x3,%esi
  add    $0x3,%eax
L134:
  test   %eax,%eax
  js     L194
  movslq %esi,%rsi
  movslq %eax,%rdx
  mov    (%rdi,%rsi,8),%rcx
  lea    0x0(,%rdx,4),%r9
  lea    0x0(,%rsi,8),%r10
  mov    (%rcx,%rdx,4),%edx
  test   %edx,%edx
  js     L194
  lea    -0x1(%rax),%ecx
  cmp    %edx,%r8d
  je     L132
  xor    %edx,%edx
  test   %ecx,%ecx
  js     L194
L137:
  mov    0x8(%rdi,%r10,1),%rcx
  mov    -0x4(%rcx,%r9,1),%ecx
  test   %ecx,%ecx
  js     L194
  lea    -0x2(%rax),%esi
  cmp    %ecx,%r8d
  je     L63
  xor    %edx,%edx
  test   %esi,%esi
  js     L194
L160:
  mov    0x10(%rdi,%r10,1),%rcx
  mov    -0x8(%rcx,%r9,1),%ecx
  test   %ecx,%ecx
  js     L194
  lea    -0x3(%rax),%esi
  cmp    %ecx,%r8d
  je     L347
  xor    %edx,%edx
  test   %esi,%esi
  js     L194
L91:
  mov    0x18(%rdi,%r10,1),%rcx
  mov    -0xc(%rcx,%r9,1),%ecx
  test   %ecx,%ecx
  js     L194
  lea    -0x4(%rax),%esi
  cmp    %ecx,%r8d
  je     L225
  test   %esi,%esi
  js     L194
  mov    0x20(%rdi,%r10,1),%rdx
  lea    0x20(%r10),%r11
  lea    -0x10(%r9),%rsi
  mov    -0x10(%rdx,%r9,1),%ecx
  xor    %edx,%edx
  test   %ecx,%ecx
  js     L194
  lea    -0x5(%rax),%r9d
  cmp    %ecx,%r8d
  je     L129
L452:
  test   %r9d,%r9d
  js     L194
  mov    0x8(%rdi,%r11,1),%rdx
  lea    0x8(%r11),%r10
  lea    -0x4(%rsi),%r9
  mov    -0x4(%rdx,%rsi,1),%ecx
  xor    %edx,%edx
  test   %ecx,%ecx
  js     L194
  sub    $0x6,%eax
  cmp    %ecx,%r8d
  je     L45
L293:
  test   %eax,%eax
  js     L194
  mov    0x8(%rdi,%r10,1),%rax
  xor    %edx,%edx
  mov    -0x4(%rax,%r9,1),%eax
  test   %eax,%eax
  js     L194
L376:
  add    $0x1,%edx
  cmp    %eax,%r8d
  je     L388
L194:
  xor    %r8d,%r8d
L21:
  mov    %r8d,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L347:
  add    $0x1,%edx
  test   %esi,%esi
  jns    L91
  jmp    L194
  nopl   (%rax)
L388:
  xor    %eax,%eax
  cmp    $0x4,%edx
  cmovne %eax,%r8d
  mov    %r8d,%eax
  ret
  nopl   (%rax)
L132:
  mov    $0x1,%edx
  test   %ecx,%ecx
  jns    L137
  jmp    L194
  nop
L63:
  add    $0x1,%edx
  test   %esi,%esi
  jns    L160
  jmp    L194
  nopl   (%rax)
L225:
  add    $0x1,%edx
  test   %esi,%esi
  js     L388
  mov    0x20(%rdi,%r10,1),%rcx
  lea    0x20(%r10),%r11
  lea    -0x10(%r9),%rsi
  mov    -0x10(%rcx,%r9,1),%ecx
  test   %ecx,%ecx
  js     L388
  cmp    $0x4,%edx
  je     L21
  lea    -0x5(%rax),%r9d
  cmp    %ecx,%r8d
  jne    L452
L129:
  add    $0x1,%edx
  test   %r9d,%r9d
  js     L388
  mov    0x8(%rdi,%r11,1),%rcx
  lea    0x8(%r11),%r10
  lea    -0x4(%rsi),%r9
  mov    -0x4(%rcx,%rsi,1),%ecx
  test   %ecx,%ecx
  js     L388
  cmp    $0x4,%edx
  je     L21
  sub    $0x6,%eax
  cmp    %ecx,%r8d
  jne    L293
L45:
  add    $0x1,%edx
  test   %eax,%eax
  js     L388
  mov    0x8(%rdi,%r10,1),%rax
  mov    -0x4(%rax,%r9,1),%eax
  test   %eax,%eax
  js     L388
  cmp    $0x4,%edx
  jne    L376
  jmp    L21
L343:
  mov    %edx,%esi
  mov    %r9d,%eax
  jmp    L134
L411:
  mov    %r9d,%esi
  mov    %edx,%eax
  jmp    L134
```

assistant: ```c
int diag_increase(int x, int y, int **tab, int column) {
  int i;
  int counter;
  int player;
  counter = 0;
  i = 0;
  player = tab[y][x];
  while (i < 3 && x < column - 1 && y > 0) {
    y--;
    x++;
    i++;
  }
  i = 0;
  while (i < 7 && x >= 0 && tab[y][x] > -1 && counter < 4) {
    i++;
    if (tab[y++][x--] == player)
      counter++;
    else
      counter = 0;
  }
  if (counter == 4)
    return (player);
  return (0);
}
```