On Tue, 22 Feb 2022 at 11:57, Zhao Wei Liew <zhaoweiliew@gmail.com> wrote:
>
> Hi,
>
> This is a partial optimization for PR103855.
>
> Initially, I looked into optimizing RTL generation or a more complex
> GIMPLE transformation so that we could optimize other cases as well,
> such as ((unsigned long long) short / int).
>
> However, that is a bit too complex for now. While I continue to look
> into that change, I've decided to implement this simpler match.pd
> transformation.
>
> Greatly appreciate any feedback on this patch or guidance for
> implementing the more advanced optimizations!
>
> Thanks,
> Zhao Wei

Sorry, the original patch wasn't recognized as a text file. I've added
a .txt extension to make it explicit.