[Bug target/127773] [x86] vzeroupper missing before call to IPA-RA-known non-AVX callee, causing SSE/AVX transition assists

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127773

--- Comment #9 from Hongtao Liu <liuhongt at gcc dot gnu.org> ---
(In reply to Hongtao Liu from comment #8)
> Created attachment 65813 [details]
> The patch fixed the testcase in the PR
> 
> Could you please check if the patch also fix the issue in the real workload?
I've verified that the patch also fix the issue in the simdutf.