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

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%esi
  mov    $0x0,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  je     L166
L43:
  add    $0x8,%rsp
  ret
L166:
  mov    $0x0,%esi
  mov    $0x0,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0x0,%esi
  mov    $0x0,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0x1,%esi
  mov    $0x1,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0x1,%esi
  mov    $0x1,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0x1,%esi
  mov    $0x1,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0x2,%esi
  mov    $0x2,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0x2,%esi
  mov    $0x2,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0x0,%esi
  mov    $0x0,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0x0,%esi
  mov    $0x0,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0xffffffff,%esi
  mov    $0xffffffff,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0xffffffff,%esi
  mov    $0xffffffff,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0xffffffff,%esi
  mov    $0xffffffff,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0xfffffffe,%esi
  mov    $0xfffffffe,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0xfffffffe,%esi
  mov    $0xfffffffe,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0x0,%esi
  mov    $0x7fffffff,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0x0,%esi
  mov    $0x7fffffff,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0x0,%esi
  mov    $0x80000000,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0x0,%esi
  mov    $0x80000000,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0xfffffc00,%esi
  mov    $0x7fffffff,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0xfffff800,%esi
  mov    $0x7fffffff,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0x400,%esi
  mov    $0x80000000,%edi
  call   <test__fixdfdi@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L43
  mov    $0x800,%esi
  mov    $0x80000000,%edi
  call   <test__fixdfdi@plt>
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
  jmp    L43
```

assistant: ```c
int main() {
  if (test__fixdfdi(0.0, 0))
    return 1;
  if (test__fixdfdi(0.5, 0))
    return 1;
  if (test__fixdfdi(0.99, 0))
    return 1;
  if (test__fixdfdi(1.0, 1))
    return 1;
  if (test__fixdfdi(1.5, 1))
    return 1;
  if (test__fixdfdi(1.99, 1))
    return 1;
  if (test__fixdfdi(2.0, 2))
    return 1;
  if (test__fixdfdi(2.01, 2))
    return 1;
  if (test__fixdfdi(-0.5, 0))
    return 1;
  if (test__fixdfdi(-0.99, 0))
    return 1;
  if (test__fixdfdi(-1.0, -1))
    return 1;
  if (test__fixdfdi(-1.5, -1))
    return 1;
  if (test__fixdfdi(-1.99, -1))
    return 1;
  if (test__fixdfdi(-2.0, -2))
    return 1;
  if (test__fixdfdi(-2.01, -2))
    return 1;
  if (test__fixdfdi(0x1.FFFFFEp+62, 0x7FFFFF8000000000LL))
    return 1;
  if (test__fixdfdi(0x1.FFFFFCp+62, 0x7FFFFF0000000000LL))
    return 1;
  if (test__fixdfdi(-0x1.FFFFFEp+62, 0x8000008000000000LL))
    return 1;
  if (test__fixdfdi(-0x1.FFFFFCp+62, 0x8000010000000000LL))
    return 1;
  if (test__fixdfdi(0x1.FFFFFFFFFFFFFp+62, 0x7FFFFFFFFFFFFC00LL))
    return 1;
  if (test__fixdfdi(0x1.FFFFFFFFFFFFEp+62, 0x7FFFFFFFFFFFF800LL))
    return 1;
  if (test__fixdfdi(-0x1.FFFFFFFFFFFFFp+62, 0x8000000000000400LL))
    return 1;
  if (test__fixdfdi(-0x1.FFFFFFFFFFFFEp+62, 0x8000000000000800LL))
    return 1;
  return 0;
}
```