user: 请从给定的汇编指令推导出C源代码:

```asm
<get_fibonacci_rec>:
  endbr64
  cmp    $0x1,%edi
  je     L15
  mov    %edi,%eax
  test   %edi,%edi
  je     L144
  push   %r15
  sub    $0x1,%eax
  xor    %r10d,%r10d
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x58,%rsp
  mov    %eax,0x30(%rsp)
  mov    0x30(%rsp),%eax
  mov    %r10,0x20(%rsp)
  mov    %eax,%r8d
  cmp    $0x1,%eax
  je     L366
L22:
  test   %eax,%eax
  je     L470
  movq   $0x0,0x10(%rsp)
L13:
  lea    -0x1(%r8),%eax
  cmp    $0x2,%r8d
  je     L393
  sub    $0x2,%r8d
  mov    %r8d,%esi
  test   %eax,%eax
  je     L13
  movq   $0x0,0x18(%rsp)
  mov    %r8d,0x34(%rsp)
  cmp    $0x1,%esi
  je     L30
L477:
  test   %esi,%esi
  je     L410
  xor    %r8d,%r8d
  mov    %esi,0x38(%rsp)
  mov    %esi,%r15d
  mov    %r8,0x28(%rsp)
L160:
  lea    -0x1(%r15),%eax
  cmp    $0x2,%r15d
  je     L209
  sub    $0x2,%r15d
  test   %eax,%eax
  je     L160
  xor    %r10d,%r10d
  mov    %r15d,0x3c(%rsp)
  mov    %r10,0x8(%rsp)
L360:
  mov    %r15d,%r13d
  cmp    $0x1,%r15d
  je     L116
  test   %r15d,%r15d
  je     L348
  xor    %edx,%edx
  mov    %r15d,%esi
L402:
  lea    -0x1(%r13),%eax
  cmp    $0x2,%r13d
  je     L48
  sub    $0x2,%r13d
  mov    %r13d,%ebx
  test   %eax,%eax
  je     L402
  xor    %r12d,%r12d
  mov    %r13d,%ecx
  mov    %r12,%r13
L128:
  mov    %ebx,%r15d
  cmp    $0x1,%ebx
  je     L375
  test   %ebx,%ebx
  je     L220
  xor    %ebp,%ebp
  xchg   %ax,%ax
L490:
  lea    -0x1(%r15),%r12d
  cmp    $0x2,%r15d
  je     L342
  sub    $0x2,%r15d
  test   %r12d,%r12d
  je     L490
  mov    %ebx,0x48(%rsp)
  xor    %r14d,%r14d
  mov    %ecx,%ebx
L298:
  lea    -0x1(%r12),%edi
  mov    %esi,0x4c(%rsp)
  sub    $0x2,%r12d
  mov    %rdx,0x40(%rsp)
  call   <get_fibonacci_rec>
  mov    0x40(%rsp),%rdx
  mov    0x4c(%rsp),%esi
  add    %rax,%r14
  cmp    $0x1,%r12d
  je     L397
  test   %r12d,%r12d
  jne    L298
  mov    %ebx,%ecx
  mov    0x48(%rsp),%ebx
L368:
  add    %r14,%rbp
  cmp    $0x1,%r15d
  jne    L230
L342:
  add    $0x1,%rbp
L44:
  add    %rbp,%r13
  lea    -0x1(%rbx),%eax
  cmp    $0x2,%ebx
  jne    L312
L375:
  mov    %r13,%r12
  mov    %ecx,%r13d
  add    $0x1,%r12
L305:
  add    %r12,%rdx
  cmp    $0x1,%r13d
  jne    L181
L48:
  mov    %esi,%r15d
  add    $0x1,%rdx
L118:
  add    %rdx,0x8(%rsp)
  lea    -0x1(%r15),%eax
  mov    0x8(%rsp),%r10
  cmp    $0x2,%r15d
  jne    L45
  mov    0x3c(%rsp),%r15d
  add    $0x1,%r10
L314:
  add    %r10,0x28(%rsp)
  cmp    $0x1,%r15d
  je     L209
L178:
  test   %r15d,%r15d
  jne    L160
  mov    0x28(%rsp),%r8
  mov    0x38(%rsp),%esi
  jmp    L222
  nopw   0x0(%rax,%rax,1)
L312:
  test   %eax,%eax
  je     L202
L220:
  sub    $0x2,%ebx
  jmp    L128
L181:
  test   %r13d,%r13d
  jne    L402
  mov    %esi,%r15d
  jmp    L118
  xchg   %ax,%ax
L397:
  mov    %ebx,%ecx
  add    $0x1,%r14
  mov    0x48(%rsp),%ebx
  jmp    L368
L116:
  mov    0x8(%rsp),%r10
  mov    0x3c(%rsp),%r15d
  add    $0x1,%r10
  add    %r10,0x28(%rsp)
  cmp    $0x1,%r15d
  jne    L178
L209:
  mov    0x28(%rsp),%r8
  mov    0x38(%rsp),%esi
  add    $0x1,%r8
L222:
  add    %r8,0x18(%rsp)
  lea    -0x1(%rsi),%eax
  cmp    $0x2,%esi
  je     L30
  test   %eax,%eax
  je     L72
L410:
  sub    $0x2,%esi
  cmp    $0x1,%esi
  jne    L477
L30:
  addq   $0x1,0x18(%rsp)
  mov    0x34(%rsp),%r8d
L428:
  mov    0x18(%rsp),%rdi
  add    %rdi,0x10(%rsp)
  cmp    $0x1,%r8d
  je     L393
  test   %r8d,%r8d
  jne    L13
L51:
  mov    0x10(%rsp),%rdi
  add    %rdi,0x20(%rsp)
  mov    0x30(%rsp),%edi
  lea    -0x1(%rdi),%eax
  cmp    $0x2,%edi
  je     L366
  test   %eax,%eax
  je     L251
L470:
  subl   $0x2,0x30(%rsp)
  mov    0x30(%rsp),%eax
  mov    %eax,%r8d
  cmp    $0x1,%eax
  jne    L22
L366:
  mov    0x20(%rsp),%r10
  add    $0x1,%r10
L67:
  add    $0x58,%rsp
  mov    %r10,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L45:
  test   %eax,%eax
  je     L232
L348:
  sub    $0x2,%r15d
  jmp    L360
L202:
  mov    %r13,%r12
  mov    %ecx,%r13d
  jmp    L305
L230:
  test   %r15d,%r15d
  jne    L490
  jmp    L44
L393:
  addq   $0x1,0x10(%rsp)
  jmp    L51
L15:
  mov    $0x1,%r10d
L96:
  mov    %r10,%rax
  ret
L144:
  xor    %r10d,%r10d
  jmp    L96
L251:
  mov    0x20(%rsp),%r10
  jmp    L67
L232:
  mov    0x3c(%rsp),%r15d
  mov    0x8(%rsp),%r10
  jmp    L314
L72:
  mov    0x34(%rsp),%r8d
  jmp    L428
```

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