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.