https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103771
--- Comment #20 from Hongtao.liu <crazylht at gmail dot com> --- (In reply to Richard Biener from comment #19) > Ah, so the issue is missing -mavx512bw which means we end up with a AVX2 > style > mask for V32QImode. With -mavx512bw the code vectorizes fine. Vectorization code is worse than before, now we need to pack vectorized mask which takes extra 3 instructions.
