user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<fibo_r>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %edi,0xc(%rsp)
  mov    %edi,0x4(%rsp)
  movl   $0x0,0x10(%rsp)
  cmp    $0x1,%edi
  jle    L170
L90:
  mov    0x4(%rsp),%eax
  movl   $0x0,0x14(%rsp)
  sub    $0x1,%eax
  mov    %eax,0x8(%rsp)
  cmp    $0x1,%eax
  je     L130
L141:
  mov    0x8(%rsp),%eax
  movl   $0x0,0x18(%rsp)
  sub    $0x1,%eax
  mov    %eax,%r11d
  cmp    $0x1,%eax
  je     L185
L7:
  lea    -0x1(%r11),%eax
  movl   $0x0,0x1c(%rsp)
  cmp    $0x1,%eax
  je     L134
  mov    %r11d,0x20(%rsp)
  mov    %eax,%r11d
L113:
  xor    %ecx,%ecx
  lea    -0x1(%r11),%r12d
  mov    %ecx,%r15d
  cmp    $0x1,%r12d
  je     L69
L83:
  lea    -0x1(%r12),%ebx
  xor    %edx,%edx
  cmp    $0x1,%ebx
  je     L224
L81:
  cmp    $0x2,%ebx
  je     L124
  lea    -0x3(%rbx),%r13d
  lea    -0x6(%rbx),%esi
  xor    %r8d,%r8d
  mov    %r13d,%eax
  lea    -0x4(%rbx),%r9d
  and    $0xfffffffe,%eax
  sub    %eax,%esi
L1:
  lea    0x2(%r9),%ebp
  xor    %ecx,%ecx
  cmp    $0xffffffff,%r9d
  je     L148
L137:
  lea    -0x1(%rbp),%r14d
  xor    %r10d,%r10d
  cmp    $0x1,%r14d
  je     L163
L222:
  lea    -0x1(%r14),%edi
  mov    %r9d,0x3c(%rsp)
  sub    $0x2,%r14d
  mov    %esi,0x38(%rsp)
  mov    %r10d,0x34(%rsp)
  mov    %ecx,0x30(%rsp)
  mov    %r8d,0x2c(%rsp)
  mov    %edx,0x28(%rsp)
  mov    %r11d,0x24(%rsp)
  call   <fibo_r>
  mov    0x34(%rsp),%r10d
  mov    0x24(%rsp),%r11d
  mov    0x28(%rsp),%edx
  mov    0x2c(%rsp),%r8d
  add    %eax,%r10d
  cmp    $0x1,%r14d
  mov    0x30(%rsp),%ecx
  mov    0x38(%rsp),%esi
  mov    0x3c(%rsp),%r9d
  jg     L222
  lea    -0x3(%rbp),%eax
  and    $0x1,%eax
  add    %r10d,%eax
L191:
  sub    $0x2,%ebp
  add    %eax,%ecx
  cmp    $0x1,%ebp
  jg     L137
  mov    %r9d,%ebp
  and    $0x1,%ebp
  add    %ecx,%ebp
L148:
  sub    $0x2,%r9d
  add    %ebp,%r8d
  cmp    %r9d,%esi
  jne    L1
  and    $0x1,%r13d
  lea    0x0(%r13,%r8,1),%eax
L48:
  sub    $0x2,%ebx
  add    %eax,%edx
  cmp    $0x1,%ebx
  jg     L81
  lea    -0x3(%r12),%eax
  and    $0x1,%eax
  add    %edx,%eax
L178:
  sub    $0x2,%r12d
  add    %eax,%r15d
  cmp    $0x1,%r12d
  jg     L83
  lea    -0x3(%r11),%eax
  and    $0x1,%eax
  add    %r15d,%eax
L202:
  sub    $0x2,%r11d
  add    %eax,0x1c(%rsp)
  cmp    $0x1,%r11d
  jg     L113
  mov    0x20(%rsp),%r11d
  lea    -0x3(%r11),%eax
  and    $0x1,%eax
  add    0x1c(%rsp),%eax
L134:
  sub    $0x2,%r11d
  add    %eax,0x18(%rsp)
  cmp    $0x1,%r11d
  jg     L7
  mov    0x8(%rsp),%eax
  sub    $0x3,%eax
  and    $0x1,%eax
  add    0x18(%rsp),%eax
L3:
  subl   $0x2,0x8(%rsp)
  mov    0x8(%rsp),%edi
  add    %eax,0x14(%rsp)
  cmp    $0x1,%edi
  jg     L141
  mov    0x4(%rsp),%eax
  sub    $0x3,%eax
  and    $0x1,%eax
  add    0x14(%rsp),%eax
L130:
  subl   $0x2,0x4(%rsp)
  mov    0x4(%rsp),%edi
  add    %eax,0x10(%rsp)
  cmp    $0x1,%edi
  jg     L90
  mov    0xc(%rsp),%eax
  and    $0x1,%eax
  add    0x10(%rsp),%eax
  mov    %eax,0xc(%rsp)
L170:
  mov    0xc(%rsp),%eax
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L124:
  mov    $0x1,%eax
  jmp    L48
  nopw   0x0(%rax,%rax,1)
L163:
  mov    $0x1,%eax
  jmp    L191
L224:
  mov    $0x1,%eax
  jmp    L178
L69:
  mov    $0x1,%eax
  jmp    L202
L185:
  mov    $0x1,%eax
  jmp    L3
```

assistant: ```c
int fibo_r(int n) {
  if (n < 2)
    return n;
  else
    return (fibo_r(n - 1) + fibo_r(n - 2));
}
```