user: What would the C source look like for the assembly code provided here:

```asm
<Fibonacci>:
  endbr64
  mov    %edi,%r10d
  test   %edi,%edi
  je     L147
  cmp    $0x1,%edi
  je     L147
  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)
L325:
  mov    0x8(%rsp),%edi
  mov    %edi,%eax
  add    $0x1,%eax
  je     L55
  cmp    $0x1,%eax
  je     L324
  lea    -0x1(%rdi),%eax
  xor    %r8d,%r8d
  mov    %eax,0x4(%rsp)
  mov    %r8d,0x14(%rsp)
L1:
  mov    0x4(%rsp),%edi
  mov    %edi,%eax
  add    $0x1,%eax
  je     L75
  cmp    $0x1,%eax
  je     L353
  lea    -0x1(%rdi),%eax
  xor    %ecx,%ecx
  mov    %eax,0xc(%rsp)
  mov    %ecx,0x18(%rsp)
L528:
  mov    0xc(%rsp),%edi
  mov    %edi,%eax
  add    $0x1,%eax
  je     L128
  cmp    $0x1,%eax
  je     L152
  xor    %ecx,%ecx
  lea    -0x1(%rdi),%r8d
  mov    %ecx,0x1c(%rsp)
  mov    %r8d,%ecx
L108:
  mov    %ecx,%eax
  add    $0x1,%eax
  je     L409
  cmp    $0x1,%eax
  je     L319
  xor    %esi,%esi
  mov    %ecx,0x20(%rsp)
  lea    -0x1(%rcx),%r9d
  mov    %esi,(%rsp)
  mov    %r9d,%r15d
L13:
  mov    %r15d,%eax
  add    $0x1,%eax
  je     L491
  cmp    $0x1,%eax
  je     L450
  lea    -0x1(%r15),%r12d
  xor    %ecx,%ecx
  mov    %r15d,%esi
L395:
  mov    %r12d,%eax
  add    $0x1,%eax
  je     L485
  cmp    $0x1,%eax
  je     L523
  xor    %ebx,%ebx
  lea    -0x1(%r12),%ebp
  mov    %r12d,%edx
  mov    %ebx,%r12d
L316:
  mov    %ebp,%eax
  add    $0x1,%eax
  je     L417
  cmp    $0x1,%eax
  je     L267
  mov    %ebp,%eax
  lea    -0x1(%rbp),%ebx
  xor    %r14d,%r14d
  mov    %ecx,%ebp
  mov    %eax,%ecx
L223:
  mov    %ebx,%r13d
  add    $0x1,%r13d
  je     L290
  cmp    $0x1,%r13d
  je     L416
  mov    %ebx,0x24(%rsp)
  xor    %r15d,%r15d
  mov    %esi,%ebx
L285:
  lea    -0x1(%r13),%edi
  mov    %ecx,0x2c(%rsp)
  mov    %edx,0x28(%rsp)
  call   <Fibonacci>
  mov    0x28(%rsp),%edx
  mov    0x2c(%rsp),%ecx
  add    %eax,%r15d
  sub    $0x2,%r13d
  je     L315
  cmp    $0x1,%r13d
  jne    L285
  mov    %ebx,%esi
  mov    0x24(%rsp),%ebx
  add    $0x1,%r15d
L453:
  add    %r15d,%r14d
  test   %ebx,%ebx
  je     L129
  cmp    $0x1,%ebx
  jne    L290
L416:
  mov    %ecx,%eax
  add    $0x1,%r14d
  mov    %ebp,%ecx
  mov    %eax,%ebp
  add    %r14d,%r12d
  test   %ebp,%ebp
  je     L86
L125:
  cmp    $0x1,%ebp
  jne    L417
L267:
  mov    %r12d,%ebx
  mov    %edx,%r12d
  add    $0x1,%ebx
L525:
  add    %ebx,%ecx
  test   %r12d,%r12d
  jne    L220
  mov    %esi,%r15d
  mov    %ecx,%r14d
  add    %r14d,(%rsp)
  mov    (%rsp),%esi
  test   %r15d,%r15d
  jne    L100
L468:
  mov    0x20(%rsp),%ecx
  add    %esi,0x1c(%rsp)
  test   %ecx,%ecx
  je     L78
L310:
  cmp    $0x1,%ecx
  je     L319
L409:
  sub    $0x2,%ecx
  jmp    L108
L417:
  sub    $0x2,%ebp
  jmp    L316
L220:
  cmp    $0x1,%r12d
  jne    L485
L523:
  mov    %ecx,%r14d
  mov    %esi,%r15d
  add    $0x1,%r14d
  add    %r14d,(%rsp)
  mov    (%rsp),%esi
  test   %r15d,%r15d
  je     L468
L100:
  cmp    $0x1,%r15d
  je     L450
L491:
  sub    $0x2,%r15d
  jmp    L13
L485:
  sub    $0x2,%r12d
  jmp    L395
L129:
  mov    %ecx,%eax
  mov    %ebp,%ecx
  add    %r14d,%r12d
  mov    %eax,%ebp
  test   %ebp,%ebp
  jne    L125
L86:
  mov    %r12d,%ebx
  mov    %edx,%r12d
  jmp    L525
  nopl   (%rax)
L315:
  mov    %ebx,%esi
  mov    0x24(%rsp),%ebx
  jmp    L453
L450:
  mov    (%rsp),%esi
  mov    0x20(%rsp),%ecx
  add    $0x1,%esi
  add    %esi,0x1c(%rsp)
  test   %ecx,%ecx
  jne    L310
L78:
  mov    0x1c(%rsp),%ecx
  add    %ecx,0x18(%rsp)
  mov    0xc(%rsp),%ecx
  test   %ecx,%ecx
  jne    L240
L370:
  mov    0x4(%rsp),%edx
  mov    0x18(%rsp),%ecx
  add    %ecx,0x14(%rsp)
  test   %edx,%edx
  jne    L58
L198:
  mov    0x14(%rsp),%r8d
  jmp    L208
L290:
  sub    $0x2,%ebx
  jmp    L223
L319:
  mov    0x1c(%rsp),%ecx
  add    $0x1,%ecx
  add    %ecx,0x18(%rsp)
  mov    0xc(%rsp),%ecx
  test   %ecx,%ecx
  je     L370
L240:
  cmpl   $0x1,0xc(%rsp)
  je     L152
L128:
  subl   $0x2,0xc(%rsp)
  jmp    L528
L152:
  mov    0x18(%rsp),%ecx
  mov    0x4(%rsp),%edx
  add    $0x1,%ecx
  add    %ecx,0x14(%rsp)
  test   %edx,%edx
  je     L198
L58:
  cmpl   $0x1,0x4(%rsp)
  je     L353
L75:
  subl   $0x2,0x4(%rsp)
  jmp    L1
L353:
  mov    0x14(%rsp),%r8d
  add    $0x1,%r8d
L208:
  mov    0x8(%rsp),%eax
  add    %r8d,0x10(%rsp)
  test   %eax,%eax
  je     L155
  cmpl   $0x1,0x8(%rsp)
  jne    L55
L324:
  mov    0x10(%rsp),%r10d
  add    $0x1,%r10d
L493:
  add    $0x38,%rsp
  mov    %r10d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L55:
  subl   $0x2,0x8(%rsp)
  jmp    L325
L147:
  mov    %r10d,%eax
  ret
L155:
  mov    0x10(%rsp),%r10d
  jmp    L493
```

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