user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<compute_fold_length>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %esi,-0x3c(%rbp)
  mov    %edx,-0x40(%rbp)
  mov    %ecx,-0x44(%rbp)
  mov    %r8d,-0x48(%rbp)
  mov    -0x40(%rbp),%eax
  cmp    -0x44(%rbp),%eax
  setg   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x40(%rbp),%edx
  mov    -0x44(%rbp),%eax
  add    %edx,%eax
  cmp    %eax,-0x3c(%rbp)
  jg     L117
  mov    -0x3c(%rbp),%eax
  jmp    L217
L117:
  movl   $0x0,-0x28(%rbp)
  mov    -0x44(%rbp),%eax
  not    %eax
  mov    %eax,-0x24(%rbp)
  mov    -0x44(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x40(%rbp),%eax
  sub    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,-0x8(%rbp)
  cmpq   $0x20,-0x8(%rbp)
  je     L153
  cmpq   $0x9,-0x8(%rbp)
  jne    L104
L153:
  mov    $0x1,%eax
  jmp    L178
L104:
  mov    $0x0,%eax
L178:
  mov    %eax,-0x1c(%rbp)
  mov    -0x44(%rbp),%eax
  neg    %eax
  mov    %eax,-0x20(%rbp)
  jmp    L10
L198:
  mov    -0x1c(%rbp),%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x40(%rbp),%edx
  mov    -0x20(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,-0x8(%rbp)
  cmpq   $0x20,-0x8(%rbp)
  je     L108
  cmpq   $0x9,-0x8(%rbp)
  jne    L192
L108:
  mov    $0x1,%eax
  jmp    L303
L192:
  mov    $0x0,%eax
L303:
  mov    %eax,-0x1c(%rbp)
  cmpl   $0x0,-0x48(%rbp)
  jne    L184
  cmpq   $0x3b,-0x8(%rbp)
  je     L137
L184:
  mov    -0x14(%rbp),%eax
  lea    (%rax,%rax,1),%edx
  cmpl   $0x0,-0x1c(%rbp)
  sete   %al
  movzbl %al,%eax
  add    %edx,%eax
  jmp    L239
L137:
  mov    $0x0,%eax
L239:
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  cmp    -0x28(%rbp),%eax
  jl     L44
  mov    -0x20(%rbp),%eax
  mov    %eax,-0x24(%rbp)
  mov    -0xc(%rbp),%eax
  mov    %eax,-0x28(%rbp)
L44:
  addl   $0x1,-0x20(%rbp)
L10:
  cmpl   $0x0,-0x20(%rbp)
  jne    L198
  jmp    L147
L80:
  mov    -0x1c(%rbp),%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x40(%rbp),%edx
  mov    -0x20(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,-0x8(%rbp)
  cmpq   $0x20,-0x8(%rbp)
  je     L159
  cmpq   $0x9,-0x8(%rbp)
  jne    L172
L159:
  mov    $0x1,%eax
  jmp    L72
L172:
  mov    $0x0,%eax
L72:
  mov    %eax,-0x1c(%rbp)
  cmpl   $0x0,-0x48(%rbp)
  jne    L43
  cmpq   $0x3b,-0x8(%rbp)
  je     L74
L43:
  mov    -0x14(%rbp),%eax
  lea    (%rax,%rax,1),%edx
  cmpl   $0x0,-0x1c(%rbp)
  sete   %al
  movzbl %al,%eax
  add    %edx,%eax
  jmp    L267
L74:
  mov    $0x0,%eax
L267:
  mov    %eax,-0x10(%rbp)
  cmpl   $0x3,-0x10(%rbp)
  jne    L106
  mov    -0x20(%rbp),%eax
  mov    %eax,-0x24(%rbp)
  jmp    L218
L106:
  mov    -0x10(%rbp),%eax
  cmp    -0x28(%rbp),%eax
  jle    L283
  mov    -0x20(%rbp),%eax
  mov    %eax,-0x24(%rbp)
  mov    -0x10(%rbp),%eax
  mov    %eax,-0x28(%rbp)
  jmp    L185
L283:
  mov    -0x10(%rbp),%eax
  cmp    -0x28(%rbp),%eax
  jne    L185
  mov    -0x24(%rbp),%eax
  neg    %eax
  cmp    %eax,-0x20(%rbp)
  jg     L185
  mov    -0x20(%rbp),%eax
  mov    %eax,-0x24(%rbp)
  mov    -0x10(%rbp),%eax
  mov    %eax,-0x28(%rbp)
L185:
  addl   $0x1,-0x20(%rbp)
L147:
  mov    -0x20(%rbp),%eax
  cmp    -0x44(%rbp),%eax
  jle    L80
L218:
  cmpl   $0x0,-0x28(%rbp)
  je     L163
  mov    -0x40(%rbp),%edx
  mov    -0x24(%rbp),%eax
  add    %edx,%eax
  jmp    L217
L163:
  mov    -0x44(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x40(%rbp),%eax
  sub    %edx,%eax
  mov    %eax,-0x18(%rbp)
  jmp    L293
L102:
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  cmp    $0x3b,%rax
  jne    L129
  subl   $0x1,-0x18(%rbp)
L293:
  cmpl   $0x0,-0x18(%rbp)
  jg     L102
  jmp    L17
L129:
  nop
L17:
  mov    -0x18(%rbp),%eax
L217:
  leave
  ret
```

assistant: ```c
ptrdiff_t compute_fold_length(UChar *fold_start, ptrdiff_t line_length, ptrdiff_t target_length, int window, int allow_folding_before_semi) {
  assert(target_length > window);
  if (line_length <= target_length + window) {
    return line_length;
  } else {
    int best_category = 0;
    int best_diff = -(window + 1);
    int diff;
    UChar this_char = fold_start[target_length - (window + 1)];
    int is_space = ((this_char == ((UChar)0x20)) || (this_char == ((UChar)0x09)));
    int was_space;
    for (diff = -window; diff; diff += 1) {
      int category;
      was_space = is_space;
      this_char = fold_start[target_length + diff];
      is_space = ((this_char == ((UChar)0x20)) || (this_char == ((UChar)0x09)));
      category = (allow_folding_before_semi || (this_char != ((UChar)0x3b))) ? ((was_space * 2) + !is_space) : 0;
      if (category >= best_category) {
        best_diff = diff;
        best_category = category;
      }
    }
    for (; diff <= window; diff += 1) {
      int category;
      was_space = is_space;
      this_char = fold_start[target_length + diff];
      is_space = ((this_char == ((UChar)0x20)) || (this_char == ((UChar)0x09)));
      category = (allow_folding_before_semi || (this_char != ((UChar)0x3b))) ? ((was_space * 2) + !is_space) : 0;
      if (category == 3) {
        best_diff = diff;
        break;
      } else if (category > best_category) {
        best_diff = diff;
        best_category = category;
      } else if ((category == best_category) && (diff <= -best_diff)) {
        best_diff = diff;
        best_category = category;
      }
    }
    if (best_category) {
      return target_length + best_diff;
    } else {
      ptrdiff_t best_length;
      for (best_length = target_length - (window + 1); best_length > 0; best_length -= 1) {
        if (fold_start[best_length] != ((UChar)0x3b)) {
          break;
        }
      }
      return best_length;
    }
  }
}
```