user: 这段汇编代码用C语言表示是什么样的:

```asm
<mergeSort>:
  endbr64
  cmp    %esi,%edx
  jg     L101
  ret
  nopl   0x0(%rax)
L101:
  lea    (%rdx,%rsi,1),%eax
  push   %r15
  push   %r14
  push   %r13
  mov    %eax,%r13d
  push   %r12
  shr    $0x1f,%r13d
  mov    %esi,%r12d
  push   %rbp
  add    %eax,%r13d
  mov    %rdi,%rbp
  push   %rbx
  sar    %r13d
  mov    %edx,%ebx
  sub    $0x18,%rsp
  cmp    %r13d,%esi
  jl     L66
  lea    0x1(%r13),%r14d
  cmp    %ebx,%r14d
  jl     L82
L119:
  mov    %ebx,%esi
  add    $0x18,%rsp
  mov    %ebx,%r8d
  mov    %r13d,%ecx
  sub    %r12d,%esi
  pop    %rbx
  mov    %r12d,%edx
  mov    %rbp,%rdi
  add    $0x1,%esi
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1050 <merge@plt>
  nopl   0x0(%rax,%rax,1)
L66:
  lea    (%rsi,%r13,1),%eax
  mov    %eax,%r14d
  shr    $0x1f,%r14d
  add    %eax,%r14d
  sar    %r14d
  cmp    %r14d,%esi
  jl     L100
L9:
  lea    0x1(%r14),%r15d
  cmp    %r15d,%r13d
  jg     L124
L106:
  mov    %r13d,%esi
  mov    %r14d,%ecx
  mov    %r13d,%r8d
  mov    %r12d,%edx
  sub    %r12d,%esi
  mov    %rbp,%rdi
  lea    0x1(%r13),%r14d
  add    $0x1,%esi
  call   <merge@plt>
  cmp    %ebx,%r14d
  jge    L119
L82:
  lea    (%r14,%rbx,1),%eax
  mov    %eax,%r15d
  shr    $0x1f,%r15d
  add    %eax,%r15d
  sar    %r15d
  cmp    %r15d,%r14d
  jl     L115
L97:
  lea    0x1(%r15),%r9d
  cmp    %r9d,%ebx
  jg     L20
L129:
  mov    %ebx,%esi
  mov    %ebx,%r8d
  mov    %r15d,%ecx
  mov    %r14d,%edx
  sub    %r14d,%esi
  mov    %rbp,%rdi
  add    $0x1,%esi
  call   <merge@plt>
  jmp    L119
  nopw   0x0(%rax,%rax,1)
L100:
  lea    (%rsi,%r14,1),%eax
  mov    %eax,%r15d
  shr    $0x1f,%r15d
  add    %eax,%r15d
  sar    %r15d
  mov    %r15d,%edx
  call   <mergeSort>
  lea    0x1(%r15),%esi
  mov    %r14d,%edx
  mov    %rbp,%rdi
  call   <mergeSort>
  mov    %r14d,%esi
  mov    %r14d,%r8d
  mov    %r15d,%ecx
  sub    %r12d,%esi
  mov    %r12d,%edx
  mov    %rbp,%rdi
  add    $0x1,%esi
  call   <merge@plt>
  jmp    L9
  nopw   0x0(%rax,%rax,1)
L20:
  lea    (%rbx,%r9,1),%eax
  mov    %r9d,%esi
  mov    %rbp,%rdi
  mov    %r9d,0xc(%rsp)
  mov    %eax,%ecx
  shr    $0x1f,%ecx
  add    %eax,%ecx
  sar    %ecx
  mov    %ecx,%edx
  mov    %ecx,0x8(%rsp)
  call   <mergeSort>
  mov    0x8(%rsp),%ecx
  mov    %ebx,%edx
  mov    %rbp,%rdi
  lea    0x1(%rcx),%esi
  call   <mergeSort>
  mov    0xc(%rsp),%r9d
  mov    %ebx,%esi
  mov    0x8(%rsp),%ecx
  mov    %ebx,%r8d
  mov    %rbp,%rdi
  sub    %r9d,%esi
  mov    %r9d,%edx
  add    $0x1,%esi
  call   <merge@plt>
  jmp    L129
  nopl   0x0(%rax,%rax,1)
L115:
  lea    (%r14,%r15,1),%eax
  mov    %r14d,%esi
  mov    %rbp,%rdi
  mov    %eax,%ecx
  shr    $0x1f,%ecx
  add    %eax,%ecx
  sar    %ecx
  mov    %ecx,%edx
  mov    %ecx,0x8(%rsp)
  call   <mergeSort>
  mov    0x8(%rsp),%ecx
  mov    %r15d,%edx
  mov    %rbp,%rdi
  lea    0x1(%rcx),%esi
  call   <mergeSort>
  mov    %r15d,%esi
  mov    0x8(%rsp),%ecx
  mov    %r15d,%r8d
  sub    %r14d,%esi
  mov    %r14d,%edx
  mov    %rbp,%rdi
  add    $0x1,%esi
  call   <merge@plt>
  jmp    L97
L124:
  lea    0x0(%r13,%r15,1),%eax
  mov    %r15d,%esi
  mov    %rbp,%rdi
  mov    %eax,%ecx
  shr    $0x1f,%ecx
  add    %eax,%ecx
  sar    %ecx
  mov    %ecx,%edx
  mov    %ecx,0x8(%rsp)
  call   <mergeSort>
  mov    0x8(%rsp),%ecx
  mov    %r13d,%edx
  mov    %rbp,%rdi
  lea    0x1(%rcx),%esi
  call   <mergeSort>
  mov    %r13d,%esi
  mov    0x8(%rsp),%ecx
  mov    %r13d,%r8d
  sub    %r15d,%esi
  mov    %r15d,%edx
  mov    %rbp,%rdi
  add    $0x1,%esi
  call   <merge@plt>
  jmp    L106
```

assistant: ```c
void mergeSort(int *array, int start, int end) {
  void merge(int *, int, int, int, int);
  if (end > start) {
    int split = (end + start) / 2;
    mergeSort(array, start, split);
    mergeSort(array, split + 1, end);
    merge(array, (end - start + 1), start, split, end);
  }
}
```