user: 这段汇编代码用C语言表示是什么样的?

```asm
<merge>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  sub    $0x70,%rsp
  mov    %rdi,-0x78(%rbp)
  mov    %rsi,-0x80(%rbp)
  mov    %rdx,-0x88(%rbp)
  mov    %rcx,-0x90(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x28(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%rsi
  mov    -0x88(%rbp),%rax
  sub    -0x80(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x58(%rbp)
  mov    -0x90(%rbp),%rax
  sub    -0x88(%rbp),%rax
  mov    %rax,-0x50(%rbp)
  mov    -0x58(%rbp),%rax
  lea    -0x1(%rax),%rdx
  mov    %rdx,-0x48(%rbp)
  mov    %rax,%rdx
  mov    %rdx,%r14
  mov    $0x0,%r15d
  mov    %rax,%rdx
  mov    %rdx,%r12
  mov    $0x0,%r13d
  lea    0x0(,%rax,8),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%edi
  mov    $0x0,%edx
  div    %rdi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L195:
  cmp    %rdx,%rsp
  je     L182
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L195
L182:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L89
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L89:
  mov    %rsp,%rax
  add    $0x7,%rax
  shr    $0x3,%rax
  shl    $0x3,%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x50(%rbp),%rax
  lea    -0x1(%rax),%rdx
  mov    %rdx,-0x38(%rbp)
  mov    %rax,%rdx
  mov    %rdx,%r10
  mov    $0x0,%r11d
  mov    %rax,%rdx
  mov    %rdx,%r8
  mov    $0x0,%r9d
  lea    0x0(,%rax,8),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%edi
  mov    $0x0,%edx
  div    %rdi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L188:
  cmp    %rdx,%rsp
  je     L63
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L188
L63:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L72
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L72:
  mov    %rsp,%rax
  add    $0x7,%rax
  shr    $0x3,%rax
  shl    $0x3,%rax
  mov    %rax,-0x30(%rbp)
  movq   $0x0,-0x70(%rbp)
  jmp    L165
L109:
  mov    -0x80(%rbp),%rdx
  mov    -0x70(%rbp),%rax
  add    %rdx,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x78(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x40(%rbp),%rax
  mov    -0x70(%rbp),%rdx
  mov    %rcx,(%rax,%rdx,8)
  addq   $0x1,-0x70(%rbp)
L165:
  mov    -0x70(%rbp),%rax
  cmp    -0x58(%rbp),%rax
  jl     L109
  movq   $0x0,-0x68(%rbp)
  jmp    L149
L167:
  mov    -0x88(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x78(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x30(%rbp),%rax
  mov    -0x68(%rbp),%rdx
  mov    %rcx,(%rax,%rdx,8)
  addq   $0x1,-0x68(%rbp)
L149:
  mov    -0x68(%rbp),%rax
  cmp    -0x50(%rbp),%rax
  jl     L167
  movq   $0x0,-0x70(%rbp)
  movq   $0x0,-0x68(%rbp)
  mov    -0x80(%rbp),%rax
  mov    %rax,-0x60(%rbp)
  jmp    L107
L75:
  mov    -0x40(%rbp),%rax
  mov    -0x70(%rbp),%rdx
  mov    (%rax,%rdx,8),%rcx
  mov    -0x30(%rbp),%rax
  mov    -0x68(%rbp),%rdx
  mov    (%rax,%rdx,8),%rax
  cmp    %rax,%rcx
  jg     L181
  mov    -0x60(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x78(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x40(%rbp),%rax
  mov    -0x70(%rbp),%rdx
  mov    (%rax,%rdx,8),%rax
  mov    %rax,(%rcx)
  addq   $0x1,-0x70(%rbp)
  jmp    L190
L181:
  mov    -0x60(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x78(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x30(%rbp),%rax
  mov    -0x68(%rbp),%rdx
  mov    (%rax,%rdx,8),%rax
  mov    %rax,(%rcx)
  addq   $0x1,-0x68(%rbp)
L190:
  addq   $0x1,-0x60(%rbp)
L107:
  mov    -0x70(%rbp),%rax
  cmp    -0x58(%rbp),%rax
  jge    L159
  mov    -0x68(%rbp),%rax
  cmp    -0x50(%rbp),%rax
  jl     L75
  jmp    L159
L129:
  mov    -0x60(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x78(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x40(%rbp),%rax
  mov    -0x70(%rbp),%rdx
  mov    (%rax,%rdx,8),%rax
  mov    %rax,(%rcx)
  addq   $0x1,-0x70(%rbp)
  addq   $0x1,-0x60(%rbp)
L159:
  mov    -0x70(%rbp),%rax
  cmp    -0x58(%rbp),%rax
  jl     L129
  jmp    L82
L121:
  mov    -0x60(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x78(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x30(%rbp),%rax
  mov    -0x68(%rbp),%rdx
  mov    (%rax,%rdx,8),%rax
  mov    %rax,(%rcx)
  addq   $0x1,-0x68(%rbp)
  addq   $0x1,-0x60(%rbp)
L82:
  mov    -0x68(%rbp),%rax
  cmp    -0x50(%rbp),%rax
  jl     L121
  mov    %rsi,%rsp
  nop
  mov    -0x28(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L166
  call   <__stack_chk_fail@plt>
L166:
  lea    -0x20(%rbp),%rsp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

assistant: ```c
void merge(long long int arr[], long long int l, long long int m, long long int r) {
  long long int i, j, k;
  long long int n1 = m - l + 1;
  long long int n2 = r - m;
  long long int L[n1], R[n2];
  for (i = 0; i < n1; ++i)
    L[i] = arr[l + i];
  for (j = 0; j < n2; ++j)
    R[j] = arr[m + 1 + j];
  i = 0;
  j = 0;
  k = l;
  while (i < n1 && j < n2) {
    if (L[i] <= R[j]) {
      arr[k] = L[i];
      i++;
    } else {
      arr[k] = R[j];
      j++;
    }
    k++;
  }
  while (i < n1) {
    arr[k] = L[i];
    i++;
    k++;
  }
  while (j < n2) {
    arr[k] = R[j];
    j++;
    k++;
  }
}
```