https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85684
Fang Pengfei <pffang at vip dot qq.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |pffang at vip dot qq.com --- Comment #1 from Fang Pengfei <pffang at vip dot qq.com> --- Yes, I found the same problem. The function _xgetbv cann't produce correct machine code when optimization on.