user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<fibo>:
  endbr64
  mov    %edi,%r10d
  test   %edi,%edi
  je     L75
  cmp    $0x1,%edi
  je     L75
  push   %r15
  lea    -0x2(%rdi),%eax
  xor    %r10d,%r10d
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %eax,0x8(%rsp)
  mov    %r10d,0x10(%rsp)
L513:
  mov    0x8(%rsp),%edi
  mov    %edi,%eax
  add    $0x1,%eax
  je     L391
  cmp    $0x1,%eax
  je     L447
  lea    -0x1(%rdi),%eax
  xor    %r8d,%r8d
  mov    %eax,0x4(%rsp)
  mov    %r8d,0x14(%rsp)
L430:
  mov    0x4(%rsp),%edi
  mov    %edi,%eax
  add    $0x1,%eax
  je     L374
  cmp    $0x1,%eax
  je     L408
  lea    -0x1(%rdi),%eax
  xor    %ecx,%ecx
  mov    %eax,0xc(%rsp)
  mov    %ecx,0x18(%rsp)
L445:
  mov    0xc(%rsp),%edi
  mov    %edi,%eax
  add    $0x1,%eax
  je     L414
  cmp    $0x1,%eax
  je     L347
  xor    %ecx,%ecx
  lea    -0x1(%rdi),%r8d
  mov    %ecx,0x1c(%rsp)
  mov    %r8d,%ecx
L208:
  mov    %ecx,%eax
  add    $0x1,%eax
  je     L190
  cmp    $0x1,%eax
  je     L496
  xor    %esi,%esi
  mov    %ecx,0x20(%rsp)
  lea    -0x1(%rcx),%r9d
  mov    %esi,(%rsp)
  mov    %r9d,%r15d
L2:
  mov    %r15d,%eax
  add    $0x1,%eax
  je     L136
  cmp    $0x1,%eax
  je     L213
  lea    -0x1(%r15),%r12d
  xor    %ecx,%ecx
  mov    %r15d,%esi
L102:
  mov    %r12d,%eax
  add    $0x1,%eax
  je     L21
  cmp    $0x1,%eax
  je     L44
  xor    %ebx,%ebx
  lea    -0x1(%r12),%ebp
  mov    %r12d,%edx
  mov    %ebx,%r12d
L0:
  mov    %ebp,%eax
  add    $0x1,%eax
  je     L405
  cmp    $0x1,%eax
  je     L321
  mov    %ebp,%eax
  lea    -0x1(%rbp),%ebx
  xor    %r14d,%r14d
  mov    %ecx,%ebp
  mov    %eax,%ecx
L311:
  mov    %ebx,%r13d
  add    $0x1,%r13d
  je     L274
  cmp    $0x1,%r13d
  je     L306
  mov    %ebx,0x24(%rsp)
  xor    %r15d,%r15d
  mov    %esi,%ebx
L455:
  lea    -0x1(%r13),%edi
  mov    %ecx,0x2c(%rsp)
  mov    %edx,0x28(%rsp)
  call   <fibo>
  mov    0x28(%rsp),%edx
  mov    0x2c(%rsp),%ecx
  add    %eax,%r15d
  sub    $0x2,%r13d
  je     L327
  cmp    $0x1,%r13d
  jne    L455
  mov    %ebx,%esi
  mov    0x24(%rsp),%ebx
  add    $0x1,%r15d
L502:
  add    %r15d,%r14d
  test   %ebx,%ebx
  je     L214
  cmp    $0x1,%ebx
  jne    L274
L306:
  mov    %ecx,%eax
  add    $0x1,%r14d
  mov    %ebp,%ecx
  mov    %eax,%ebp
  add    %r14d,%r12d
  test   %ebp,%ebp
  je     L393
L382:
  cmp    $0x1,%ebp
  jne    L405
L321:
  mov    %r12d,%ebx
  mov    %edx,%r12d
  add    $0x1,%ebx
L203:
  add    %ebx,%ecx
  test   %r12d,%r12d
  jne    L18
  mov    %esi,%r15d
  mov    %ecx,%r14d
  add    %r14d,(%rsp)
  mov    (%rsp),%esi
  test   %r15d,%r15d
  jne    L395
L164:
  mov    0x20(%rsp),%ecx
  add    %esi,0x1c(%rsp)
  test   %ecx,%ecx
  je     L517
L60:
  cmp    $0x1,%ecx
  je     L496
L190:
  sub    $0x2,%ecx
  jmp    L208
L405:
  sub    $0x2,%ebp
  jmp    L0
L18:
  cmp    $0x1,%r12d
  jne    L21
L44:
  mov    %ecx,%r14d
  mov    %esi,%r15d
  add    $0x1,%r14d
  add    %r14d,(%rsp)
  mov    (%rsp),%esi
  test   %r15d,%r15d
  je     L164
L395:
  cmp    $0x1,%r15d
  je     L213
L136:
  sub    $0x2,%r15d
  jmp    L2
L21:
  sub    $0x2,%r12d
  jmp    L102
L214:
  mov    %ecx,%eax
  mov    %ebp,%ecx
  add    %r14d,%r12d
  mov    %eax,%ebp
  test   %ebp,%ebp
  jne    L382
L393:
  mov    %r12d,%ebx
  mov    %edx,%r12d
  jmp    L203
  nopl   (%rax)
L327:
  mov    %ebx,%esi
  mov    0x24(%rsp),%ebx
  jmp    L502
L213:
  mov    (%rsp),%esi
  mov    0x20(%rsp),%ecx
  add    $0x1,%esi
  add    %esi,0x1c(%rsp)
  test   %ecx,%ecx
  jne    L60
L517:
  mov    0x1c(%rsp),%ecx
  add    %ecx,0x18(%rsp)
  mov    0xc(%rsp),%ecx
  test   %ecx,%ecx
  jne    L522
L477:
  mov    0x4(%rsp),%edx
  mov    0x18(%rsp),%ecx
  add    %ecx,0x14(%rsp)
  test   %edx,%edx
  jne    L388
L80:
  mov    0x14(%rsp),%r8d
  jmp    L297
L274:
  sub    $0x2,%ebx
  jmp    L311
L496:
  mov    0x1c(%rsp),%ecx
  add    $0x1,%ecx
  add    %ecx,0x18(%rsp)
  mov    0xc(%rsp),%ecx
  test   %ecx,%ecx
  je     L477
L522:
  cmpl   $0x1,0xc(%rsp)
  je     L347
L414:
  subl   $0x2,0xc(%rsp)
  jmp    L445
L347:
  mov    0x18(%rsp),%ecx
  mov    0x4(%rsp),%edx
  add    $0x1,%ecx
  add    %ecx,0x14(%rsp)
  test   %edx,%edx
  je     L80
L388:
  cmpl   $0x1,0x4(%rsp)
  je     L408
L374:
  subl   $0x2,0x4(%rsp)
  jmp    L430
L408:
  mov    0x14(%rsp),%r8d
  add    $0x1,%r8d
L297:
  mov    0x8(%rsp),%eax
  add    %r8d,0x10(%rsp)
  test   %eax,%eax
  je     L308
  cmpl   $0x1,0x8(%rsp)
  jne    L391
L447:
  mov    0x10(%rsp),%r10d
  add    $0x1,%r10d
L298:
  add    $0x38,%rsp
  mov    %r10d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L391:
  subl   $0x2,0x8(%rsp)
  jmp    L513
L75:
  mov    %r10d,%eax
  ret
L308:
  mov    0x10(%rsp),%r10d
  jmp    L298
```

assistant: ```c
int fibo(int n) {
  if (n == 0)
    return 0;
  if (n == 1)
    return 1;
  return fibo(n - 1) + fibo(n - 2);
}
```