user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x48,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%rbx
  lea    -0x68(%rbp),%rax
  mov    %rax,%rsi
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  mov    -0x68(%rbp),%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x58(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r14
  mov    $0x0,%r15d
  movslq %eax,%rdx
  mov    %rdx,%r12
  mov    $0x0,%r13d
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L33:
  cmp    %rdx,%rsp
  je     L37
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L33
L37:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L21
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L21:
  mov    %rsp,%rax
  add    $0x7,%rax
  shr    $0x3,%rax
  shl    $0x3,%rax
  mov    %rax,-0x50(%rbp)
  movl   $0x0,-0x60(%rbp)
  jmp    L18
L1:
  lea    -0x64(%rbp),%rax
  mov    %rax,%rsi
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  mov    -0x64(%rbp),%eax
  cltq
  shl    $0x2,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x48(%rbp)
  mov    -0x64(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  add    $0x1,%eax
  cltq
  shl    $0x2,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x40(%rbp)
  movl   $0x0,-0x5c(%rbp)
  jmp    L41
L30:
  mov    -0x5c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,%rsi
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  addl   $0x1,-0x5c(%rbp)
L41:
  mov    -0x64(%rbp),%eax
  cmp    %eax,-0x5c(%rbp)
  jl     L30
  mov    -0x64(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    -0x40(%rbp),%rsi
  mov    -0x48(%rbp),%rax
  mov    %edx,%ecx
  mov    $0x0,%edx
  mov    %rax,%rdi
  call   <merge_sort@plt>
  mov    -0x50(%rbp),%rdx
  mov    -0x60(%rbp),%ecx
  movslq %ecx,%rcx
  mov    %rax,(%rdx,%rcx,8)
  mov    -0x40(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x48(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  addl   $0x1,-0x60(%rbp)
L18:
  mov    -0x68(%rbp),%eax
  cmp    %eax,-0x60(%rbp)
  jl     L1
  movl   $0x0,-0x60(%rbp)
  jmp    L82
L61:
  mov    -0x50(%rbp),%rax
  mov    -0x60(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,8),%rax
  mov    %rax,%rsi
  lea    D14(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  addl   $0x1,-0x60(%rbp)
L82:
  mov    -0x68(%rbp),%eax
  cmp    %eax,-0x60(%rbp)
  jl     L61
  mov    $0x0,%eax
  mov    %rbx,%rsp
  mov    -0x38(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L27
  call   <__stack_chk_fail@plt>
L27:
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

tool_calls: name: read_data
arguments: data_label: D6
type_guessed: string
name: read_data
arguments: data_label: D14
type_guessed: string

tool: D6: %d

tool: D14: %lu


assistant: ```c
int main() {
  int t, n, i, j, *values, *scratch;
  scanf("%d", &t);
  unsigned long answers[t];
  for (i = 0; i < t; ++i) {
    scanf("%d", &n);
    values = (int *)malloc(n * sizeof(int));
    scratch = (int *)malloc((n / 2 + 1) * sizeof(int));
    for (j = 0; j < n; ++j) {
      scanf("%d", &values[j]);
    }
    answers[i] = merge_sort(values, scratch, 0, n - 1);
    free(scratch);
    free(values);
  }
  for (i = 0; i < t; ++i) {
    printf("%lu\n", answers[i]);
  }
  return 0;
}
```