[Bug target/92492] [AVX512F] Icc generate much better code for loop vectorization

[crazylht at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92492

--- Comment #3 from Hongtao.liu <crazylht at gmail dot com> ---
(In reply to Richard Biener from comment #2)
> ICC also uses effectively two vector sizes, v8qi and v8hi AFAICS?  But
> why does it use %ymm then...

I think it's v8qi and v8si, icc use vpmovzxbd not vpmovzxbw.