user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<merge_sort>:
  endbr64
  cmp    %edx,%esi
  jl     L67
  ret
  nopl   0x0(%rax)
L67:
  lea    (%rsi,%rdx,1),%eax
  push   %r15
  mov    %rdi,%r15
  push   %r14
  push   %r13
  mov    %eax,%r13d
  push   %r12
  shr    $0x1f,%r13d
  mov    %edx,%r12d
  push   %rbp
  add    %eax,%r13d
  mov    %esi,%ebp
  push   %rbx
  sar    %r13d
  sub    $0x18,%rsp
  cmp    %r13d,%esi
  jge    L74
  lea    (%rsi,%r13,1),%eax
  mov    %eax,%r14d
  shr    $0x1f,%r14d
  add    %eax,%r14d
  sar    %r14d
  cmp    %r14d,%esi
  jl     L72
  lea    0x1(%r14),%r8d
  cmp    %r8d,%r13d
  jg     L40
L128:
  mov    %r13d,%ecx
  mov    %r14d,%edx
  mov    %ebp,%esi
  mov    %r15,%rdi
  call   <merge@plt>
L74:
  lea    0x1(%r13),%r8d
  cmp    %r12d,%r8d
  jge    L127
  lea    (%r8,%r12,1),%eax
  mov    %eax,%r14d
  shr    $0x1f,%r14d
  add    %eax,%r14d
  sar    %r14d
  cmp    %r14d,%r8d
  jl     L90
  lea    0x1(%r14),%r9d
  cmp    %r9d,%r12d
  jg     L179
L104:
  mov    %r12d,%ecx
  mov    %r14d,%edx
  mov    %r8d,%esi
  mov    %r15,%rdi
  call   <merge@plt>
L127:
  add    $0x18,%rsp
  mov    %r12d,%ecx
  mov    %r13d,%edx
  mov    %ebp,%esi
  pop    %rbx
  mov    %r15,%rdi
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1050 <merge@plt>
  nopl   (%rax)
L179:
  lea    (%r12,%r9,1),%eax
  mov    %eax,%ebx
  shr    $0x1f,%ebx
  add    %eax,%ebx
  sar    %ebx
  cmp    %ebx,%r9d
  jge    L207
  lea    (%r9,%rbx,1),%eax
  mov    %r9d,%esi
  mov    %r15,%rdi
  mov    %r8d,0x8(%rsp)
  mov    %eax,%r10d
  mov    %r9d,0x4(%rsp)
  shr    $0x1f,%r10d
  add    %eax,%r10d
  sar    %r10d
  mov    %r10d,%edx
  mov    %r10d,(%rsp)
  call   <merge_sort>
  mov    (%rsp),%r10d
  mov    %ebx,%edx
  mov    %r15,%rdi
  lea    0x1(%r10),%esi
  call   <merge_sort>
  mov    0x4(%rsp),%r9d
  mov    (%rsp),%edx
  mov    %ebx,%ecx
  mov    %r15,%rdi
  mov    %r9d,%esi
  mov    %r9d,(%rsp)
  call   <merge@plt>
  mov    0x8(%rsp),%r8d
  mov    (%rsp),%r9d
L207:
  lea    0x1(%rbx),%r11d
  cmp    %r11d,%r12d
  jle    L150
  lea    (%r12,%r11,1),%eax
  mov    %r11d,%esi
  mov    %r15,%rdi
  mov    %r9d,0xc(%rsp)
  mov    %eax,%r10d
  mov    %r8d,0x8(%rsp)
  shr    $0x1f,%r10d
  mov    %r11d,0x4(%rsp)
  add    %eax,%r10d
  sar    %r10d
  mov    %r10d,%edx
  mov    %r10d,(%rsp)
  call   <merge_sort>
  mov    (%rsp),%r10d
  mov    %r12d,%edx
  mov    %r15,%rdi
  lea    0x1(%r10),%esi
  call   <merge_sort>
  mov    (%rsp),%edx
  mov    0x4(%rsp),%esi
  mov    %r12d,%ecx
  mov    %r15,%rdi
  call   <merge@plt>
  mov    0xc(%rsp),%r9d
  mov    0x8(%rsp),%r8d
L150:
  mov    %r12d,%ecx
  mov    %ebx,%edx
  mov    %r9d,%esi
  mov    %r15,%rdi
  mov    %r8d,(%rsp)
  call   <merge@plt>
  mov    (%rsp),%r8d
  jmp    L104
  nopw   0x0(%rax,%rax,1)
L90:
  lea    (%r8,%r14,1),%eax
  mov    %eax,%ebx
  shr    $0x1f,%ebx
  add    %eax,%ebx
  sar    %ebx
  cmp    %ebx,%r8d
  jge    L186
  lea    (%r8,%rbx,1),%eax
  mov    %r8d,%esi
  mov    %r15,%rdi
  mov    %r8d,0x4(%rsp)
  mov    %eax,%r9d
  shr    $0x1f,%r9d
  add    %eax,%r9d
  sar    %r9d
  mov    %r9d,%edx
  mov    %r9d,(%rsp)
  call   <merge_sort>
  mov    (%rsp),%r9d
  mov    %ebx,%edx
  mov    %r15,%rdi
  lea    0x1(%r9),%esi
  call   <merge_sort>
  mov    0x4(%rsp),%r8d
  mov    (%rsp),%edx
  mov    %ebx,%ecx
  mov    %r15,%rdi
  mov    %r8d,%esi
  mov    %r8d,(%rsp)
  call   <merge@plt>
  mov    (%rsp),%r8d
L186:
  lea    0x1(%rbx),%r10d
  cmp    %r10d,%r14d
  jle    L65
  lea    (%r14,%r10,1),%eax
  mov    %r10d,%esi
  mov    %r15,%rdi
  mov    %r8d,0x8(%rsp)
  mov    %eax,%r9d
  mov    %r10d,0x4(%rsp)
  shr    $0x1f,%r9d
  add    %eax,%r9d
  sar    %r9d
  mov    %r9d,%edx
  mov    %r9d,(%rsp)
  call   <merge_sort>
  mov    (%rsp),%r9d
  mov    %r14d,%edx
  mov    %r15,%rdi
  lea    0x1(%r9),%esi
  call   <merge_sort>
  mov    (%rsp),%edx
  mov    0x4(%rsp),%esi
  mov    %r14d,%ecx
  mov    %r15,%rdi
  call   <merge@plt>
  mov    0x8(%rsp),%r8d
L65:
  mov    %r8d,%esi
  mov    %r14d,%ecx
  mov    %ebx,%edx
  mov    %r15,%rdi
  mov    %r8d,(%rsp)
  call   <merge@plt>
  lea    0x1(%r14),%r9d
  mov    (%rsp),%r8d
  cmp    %r9d,%r12d
  jle    L104
  jmp    L179
  nopl   0x0(%rax,%rax,1)
L40:
  lea    0x0(%r13,%r8,1),%eax
  mov    %eax,%ebx
  shr    $0x1f,%ebx
  add    %eax,%ebx
  sar    %ebx
  cmp    %ebx,%r8d
  jge    L138
  lea    (%r8,%rbx,1),%eax
  mov    %r8d,%esi
  mov    %r15,%rdi
  mov    %r8d,0x4(%rsp)
  mov    %eax,%r9d
  shr    $0x1f,%r9d
  add    %eax,%r9d
  sar    %r9d
  mov    %r9d,%edx
  mov    %r9d,(%rsp)
  call   <merge_sort>
  mov    (%rsp),%r9d
  mov    %ebx,%edx
  mov    %r15,%rdi
  lea    0x1(%r9),%esi
  call   <merge_sort>
  mov    0x4(%rsp),%r8d
  mov    (%rsp),%edx
  mov    %ebx,%ecx
  mov    %r15,%rdi
  mov    %r8d,%esi
  mov    %r8d,(%rsp)
  call   <merge@plt>
  mov    (%rsp),%r8d
L138:
  lea    0x1(%rbx),%r10d
  cmp    %r10d,%r13d
  jle    L60
  lea    0x0(%r13,%r10,1),%eax
  mov    %r10d,%esi
  mov    %r15,%rdi
  mov    %r8d,0x8(%rsp)
  mov    %eax,%r9d
  mov    %r10d,0x4(%rsp)
  shr    $0x1f,%r9d
  add    %eax,%r9d
  sar    %r9d
  mov    %r9d,%edx
  mov    %r9d,(%rsp)
  call   <merge_sort>
  mov    (%rsp),%r9d
  mov    %r13d,%edx
  mov    %r15,%rdi
  lea    0x1(%r9),%esi
  call   <merge_sort>
  mov    (%rsp),%edx
  mov    0x4(%rsp),%esi
  mov    %r13d,%ecx
  mov    %r15,%rdi
  call   <merge@plt>
  mov    0x8(%rsp),%r8d
L60:
  mov    %r13d,%ecx
  mov    %ebx,%edx
  mov    %r8d,%esi
  mov    %r15,%rdi
  call   <merge@plt>
  jmp    L128
  nopl   0x0(%rax,%rax,1)
L72:
  lea    (%rsi,%r14,1),%eax
  mov    %eax,%ebx
  shr    $0x1f,%ebx
  add    %eax,%ebx
  sar    %ebx
  cmp    %ebx,%esi
  jge    L162
  lea    (%rsi,%rbx,1),%eax
  mov    %eax,%r8d
  shr    $0x1f,%r8d
  add    %eax,%r8d
  sar    %r8d
  mov    %r8d,%edx
  mov    %r8d,(%rsp)
  call   <merge_sort>
  mov    (%rsp),%r8d
  mov    %ebx,%edx
  mov    %r15,%rdi
  lea    0x1(%r8),%esi
  call   <merge_sort>
  mov    (%rsp),%edx
  mov    %ebx,%ecx
  mov    %ebp,%esi
  mov    %r15,%rdi
  call   <merge@plt>
L162:
  lea    0x1(%rbx),%r9d
  cmp    %r9d,%r14d
  jle    L50
  lea    (%r14,%r9,1),%eax
  mov    %r9d,%esi
  mov    %r15,%rdi
  mov    %r9d,0x4(%rsp)
  mov    %eax,%r8d
  shr    $0x1f,%r8d
  add    %eax,%r8d
  sar    %r8d
  mov    %r8d,%edx
  mov    %r8d,(%rsp)
  call   <merge_sort>
  mov    (%rsp),%r8d
  mov    %r14d,%edx
  mov    %r15,%rdi
  lea    0x1(%r8),%esi
  call   <merge_sort>
  mov    (%rsp),%edx
  mov    0x4(%rsp),%esi
  mov    %r14d,%ecx
  mov    %r15,%rdi
  call   <merge@plt>
L50:
  mov    %r14d,%ecx
  mov    %ebx,%edx
  mov    %ebp,%esi
  mov    %r15,%rdi
  call   <merge@plt>
  lea    0x1(%r14),%r8d
  cmp    %r8d,%r13d
  jle    L128
  jmp    L40
```

assistant: ```c
void merge_sort(int arr[], int l, int h) {
  if (l >= h)
    return;
  int m = (l + h) / 2;
  merge_sort(arr, l, m);
  merge_sort(arr, m + 1, h);
  merge(arr, l, m, h);
}
```