user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<sorter_merge_sort>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    -0x40(%rbp),%rax
  shr    %rax
  mov    %rax,-0x10(%rbp)
  movq   $0x0,-0x28(%rbp)
  movq   $0x0,-0x20(%rbp)
  mov    -0x10(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  cmpq   $0x1,-0x40(%rbp)
  jbe    L51
  cmpq   $0xf,-0x40(%rbp)
  ja     L20
  mov    -0x40(%rbp),%rdx
  mov    -0x38(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <sorter_binary_insertion_sort@plt>
  jmp    L69
L20:
  mov    -0x10(%rbp),%rdx
  mov    -0x38(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <sorter_merge_sort>
  mov    -0x40(%rbp),%rax
  sub    -0x10(%rbp),%rax
  mov    -0x10(%rbp),%rdx
  lea    0x0(,%rdx,8),%rcx
  mov    -0x38(%rbp),%rdx
  add    %rcx,%rdx
  mov    %rax,%rsi
  mov    %rdx,%rdi
  call   <sorter_merge_sort>
  mov    -0x40(%rbp),%rax
  shl    $0x3,%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  jmp    L1
L99:
  mov    -0x20(%rbp),%rax
  cmp    -0x10(%rbp),%rax
  jae    L77
  mov    -0x18(%rbp),%rax
  cmp    -0x40(%rbp),%rax
  jae    L35
  mov    -0x20(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    -0x18(%rbp),%rdx
  lea    0x0(,%rdx,8),%rcx
  mov    -0x38(%rbp),%rdx
  add    %rcx,%rdx
  mov    (%rdx),%rdx
  sub    %rdx,%rax
  test   %rax,%rax
  jg     L111
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    -0x28(%rbp),%rdx
  lea    0x0(,%rdx,8),%rcx
  mov    -0x8(%rbp),%rdx
  add    %rcx,%rdx
  mov    (%rax),%rax
  mov    %rax,(%rdx)
  jmp    L36
L111:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    -0x28(%rbp),%rdx
  lea    0x0(,%rdx,8),%rcx
  mov    -0x8(%rbp),%rdx
  add    %rcx,%rdx
  mov    (%rax),%rax
  mov    %rax,(%rdx)
  jmp    L36
L35:
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    -0x28(%rbp),%rdx
  lea    0x0(,%rdx,8),%rcx
  mov    -0x8(%rbp),%rdx
  add    %rcx,%rdx
  mov    (%rax),%rax
  mov    %rax,(%rdx)
  jmp    L36
L77:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    -0x28(%rbp),%rdx
  lea    0x0(,%rdx,8),%rcx
  mov    -0x8(%rbp),%rdx
  add    %rcx,%rdx
  mov    (%rax),%rax
  mov    %rax,(%rdx)
L36:
  addq   $0x1,-0x28(%rbp)
L1:
  mov    -0x28(%rbp),%rax
  cmp    -0x40(%rbp),%rax
  jne    L99
  mov    -0x40(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x8(%rbp),%rcx
  mov    -0x38(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  jmp    L69
L51:
  nop
L69:
  leave
  ret
```

assistant: ```c
void sorter_merge_sort(int64_t *dst, const size_t size) {
  int64_t *newdst;
  const size_t middle = size / 2;
  size_t out = 0;
  size_t i = 0;
  size_t j = middle;
  if (size <= 1) {
    return;
  }
  if (size < 16) {
    sorter_binary_insertion_sort(dst, size);
    return;
  }
  sorter_merge_sort(dst, middle);
  sorter_merge_sort(&dst[middle], size - middle);
  newdst = (int64_t *)malloc(size * sizeof(int64_t));
  while (out != size) {
    if (i < middle) {
      if (j < size) {
        if (((dst[i]) - (dst[j])) <= 0) {
          newdst[out] = dst[i++];
        } else {
          newdst[out] = dst[j++];
        }
      } else {
        newdst[out] = dst[i++];
      }
    } else {
      newdst[out] = dst[j++];
    }
    out++;
  }
  memcpy(dst, newdst, size * sizeof(int64_t));
  free(newdst);
}
```