https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104451
--- Comment #2 from Hongtao.liu <crazylht at gmail dot com> --- -mavx512f is not necessary, PR can be produced by -mxop -O -mavx2
crazylht at gmail dot com via Gcc-bugs Tue, 08 Feb 2022 20:50:03 -0800
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104451
--- Comment #2 from Hongtao.liu <crazylht at gmail dot com> --- -mavx512f is not necessary, PR can be produced by -mxop -O -mavx2