[Bug middle-end/116453] Large code when initializing array using user defined literals

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116453

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |enhancement
          Component|tree-optimization           |middle-end
           Keywords|                            |missed-optimization

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
C++20 you should just use std::bitcast:
```
constexpr float operator""_F(unsigned long long int float_data)
{
    return std::bit_cast<float> ((int)float_data);
}
```

And this gets optimized correctly.