https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93709
--- Comment #4 from Jiu Fu Guo <guojiufu at gcc dot gnu.org> --- This issue can be reproduced with GCC9 "-O2 -funroll-loops -mcpu=power9" or "-O3 -mcpu=power9".
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93709
--- Comment #4 from Jiu Fu Guo <guojiufu at gcc dot gnu.org> --- This issue can be reproduced with GCC9 "-O2 -funroll-loops -mcpu=power9" or "-O3 -mcpu=power9".