https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81389
rockeet <rockeet at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rockeet at gmail dot com --- Comment #9 from rockeet <rockeet at gmail dot com> --- Created attachment 41962 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41962&action=edit test intrinsic _mm_cmpestri test case source file is attached. $ g++ -march=native _mm_cmpestri_test.cpp # default -O0 $ ./a.out # segfault Segmentation fault (core dumped) $ g++ -O2 -march=native _mm_cmpestri_test.cpp $ ./a.out # OK 10