i386 patch ping

[Jakub Jelinek via Gcc-patches]

Hi!

I'd like to ping the
https://gcc.gnu.org/pipermail/gcc-patches/2021-November/585125.html
"x86: Speed up target attribute handling by using a cache"
patch.  IMHO the .2s speedup on #include <x86intrin.h> is worth it.

Thanks

        Jakub