[Bug target/113042] popcount of 8bits and 128bits can be improved for !TARGET_CSSC

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113042

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
https://gcc.gnu.org/pipermail/gcc-patches/2024-June/654011.html

I will implement the TI change later as it requires some middle-end changes
still.