user: Demonstrate the C code that generates the assembly output below:

```asm
<fibonacci>:
  endbr64
  mov    %edi,%eax
  test   %edi,%edi
  je     L374
  cmp    $0x1,%edi
  je     L374
  push   %r15
  lea    -0x2(%rax),%edi
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  movl   $0x0,0x4(%rsp)
  mov    %edi,0xc(%rsp)
  cmp    $0x2,%eax
  je     L169
L285:
  sub    $0x1,%eax
  mov    %eax,0x10(%rsp)
  cmp    $0x1,%edi
  je     L185
  xor    %r10d,%r10d
  mov    %r10d,(%rsp)
L90:
  mov    0xc(%rsp),%eax
  lea    -0x2(%rax),%edi
  mov    %edi,0x8(%rsp)
  cmp    $0x2,%eax
  je     L296
  sub    $0x1,%eax
  mov    %eax,0xc(%rsp)
  cmp    $0x1,%edi
  je     L462
  xor    %esi,%esi
L435:
  mov    0x8(%rsp),%eax
  lea    -0x2(%rax),%r10d
  cmp    $0x2,%eax
  je     L334
  sub    $0x1,%eax
  mov    %eax,0x8(%rsp)
  cmp    $0x1,%r10d
  je     L542
  mov    %esi,0x14(%rsp)
  xor    %r8d,%r8d
  mov    %r8d,%r15d
L545:
  lea    -0x2(%r10),%r11d
  cmp    $0x2,%r10d
  je     L111
  sub    $0x1,%r10d
  cmp    $0x1,%r11d
  je     L546
  mov    %r10d,0x1c(%rsp)
  xor    %r9d,%r9d
  mov    %r15d,0x18(%rsp)
  mov    %r9d,%r14d
  mov    %r11d,%r15d
L159:
  lea    -0x2(%r15),%edx
  cmp    $0x2,%r15d
  je     L152
  sub    $0x1,%r15d
  cmp    $0x1,%edx
  je     L222
  xor    %r13d,%r13d
  mov    %r14d,%esi
  mov    %r15d,%r8d
  mov    %r13d,%ecx
L178:
  lea    -0x2(%rdx),%r12d
  cmp    $0x2,%edx
  je     L161
  sub    $0x1,%edx
  cmp    $0x1,%r12d
  je     L113
  xor    %ebx,%ebx
L47:
  lea    -0x2(%r12),%r13d
  cmp    $0x2,%r12d
  je     L326
L32:
  sub    $0x1,%r12d
  cmp    $0x1,%r13d
  je     L350
  xor    %ebp,%ebp
L208:
  lea    -0x2(%r13),%r15d
  cmp    $0x2,%r13d
  je     L371
L241:
  sub    $0x1,%r13d
  cmp    $0x1,%r15d
  je     L239
  mov    %r12d,0x20(%rsp)
  xor    %r14d,%r14d
  mov    %ebp,%r12d
  mov    %ecx,%ebp
  mov    %ebx,0x24(%rsp)
  mov    %esi,%ebx
  mov    %r13d,0x28(%rsp)
  mov    %r8d,%r13d
L531:
  lea    -0x2(%r15),%edi
  mov    %edx,0x2c(%rsp)
  call   <fibonacci>
  mov    0x2c(%rsp),%edx
  add    %eax,%r14d
  sub    $0x1,%r15d
  je     L268
  cmp    $0x1,%r15d
  jne    L531
  mov    %ebx,%esi
  mov    %ebp,%ecx
  mov    %r13d,%r8d
  mov    %r12d,%ebp
  mov    0x24(%rsp),%ebx
  mov    0x20(%rsp),%r12d
  add    $0x1,%r14d
  mov    0x28(%rsp),%r13d
L440:
  add    %r14d,%ebp
  test   %r13d,%r13d
  jne    L264
L213:
  add    %ebp,%ebx
  test   %r12d,%r12d
  jne    L135
  add    %ebx,%ecx
  test   %edx,%edx
  jne    L144
L424:
  mov    %esi,%r14d
  mov    %ecx,%r13d
  mov    %r8d,%r15d
L338:
  add    %r13d,%r14d
  test   %r15d,%r15d
  jne    L63
  mov    0x18(%rsp),%r15d
  mov    0x1c(%rsp),%r10d
  mov    %r14d,%r9d
  add    %r9d,%r15d
  test   %r10d,%r10d
  je     L199
L127:
  cmp    $0x1,%r10d
  jne    L545
L111:
  mov    0x14(%rsp),%esi
  mov    %r15d,%r8d
  mov    0x8(%rsp),%edi
  add    $0x1,%r8d
  add    %r8d,%esi
  test   %edi,%edi
  jne    L397
L259:
  mov    0xc(%rsp),%ecx
  add    %esi,(%rsp)
  test   %ecx,%ecx
  je     L532
L164:
  cmpl   $0x1,0xc(%rsp)
  jne    L90
L296:
  mov    (%rsp),%r10d
  mov    0x4(%rsp),%eax
  mov    0x10(%rsp),%edx
  add    $0x1,%r10d
  add    %r10d,%eax
  test   %edx,%edx
  jne    L316
L534:
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L350:
  add    $0x1,%ebx
  lea    -0x2(%r12),%r13d
  cmp    $0x2,%r12d
  jne    L32
L326:
  add    $0x1,%ebx
L548:
  add    %ebx,%ecx
  test   %edx,%edx
  je     L424
L144:
  cmp    $0x1,%edx
  jne    L178
L161:
  mov    %ecx,%r13d
  mov    %esi,%r14d
  mov    %r8d,%r15d
  add    $0x1,%r13d
  jmp    L338
L113:
  add    $0x1,%ecx
  jmp    L178
  nopw   0x0(%rax,%rax,1)
L268:
  mov    %ebx,%esi
  mov    %ebp,%ecx
  mov    %r13d,%r8d
  mov    %r12d,%ebp
  mov    0x24(%rsp),%ebx
  mov    0x20(%rsp),%r12d
  mov    0x28(%rsp),%r13d
  jmp    L440
L63:
  cmp    $0x1,%r15d
  jne    L159
L152:
  mov    0x18(%rsp),%r15d
  mov    %r14d,%r9d
  mov    0x1c(%rsp),%r10d
  add    $0x1,%r9d
  add    %r9d,%r15d
  test   %r10d,%r10d
  jne    L127
L199:
  mov    0x14(%rsp),%esi
  mov    0x8(%rsp),%edi
  mov    %r15d,%r8d
  add    %r8d,%esi
  test   %edi,%edi
  je     L259
L397:
  cmpl   $0x1,0x8(%rsp)
  jne    L435
L334:
  mov    0xc(%rsp),%ecx
  add    $0x1,%esi
  add    %esi,(%rsp)
  test   %ecx,%ecx
  jne    L164
L532:
  mov    (%rsp),%r10d
  mov    0x4(%rsp),%eax
  mov    0x10(%rsp),%edx
  add    %r10d,%eax
  test   %edx,%edx
  je     L534
L316:
  cmpl   $0x1,0x10(%rsp)
  je     L119
L416:
  mov    %eax,0x4(%rsp)
  mov    0x10(%rsp),%eax
  lea    -0x2(%rax),%edi
  mov    %edi,0xc(%rsp)
  cmp    $0x2,%eax
  jne    L285
L169:
  mov    0x4(%rsp),%eax
L119:
  add    $0x38,%rsp
  add    $0x1,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L239:
  add    $0x1,%ebp
  lea    -0x2(%r13),%r15d
  cmp    $0x2,%r13d
  jne    L241
  nopl   0x0(%rax)
L371:
  add    $0x1,%ebp
  jmp    L213
L222:
  add    $0x1,%r14d
  jmp    L159
L546:
  add    $0x1,%r15d
  jmp    L545
L135:
  cmp    $0x1,%r12d
  jne    L47
  add    $0x1,%ebx
  jmp    L548
L264:
  cmp    $0x1,%r13d
  jne    L208
  add    $0x1,%ebp
  jmp    L213
L542:
  add    $0x1,%esi
  jmp    L435
L462:
  addl   $0x1,(%rsp)
  jmp    L90
L185:
  mov    0x4(%rsp),%eax
  add    $0x1,%eax
  jmp    L416
L374:
  ret
```

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