https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102772
--- Comment #4 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> --- > --- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> --- > The stack isn't properly realigned. Please find out which commit caused this. Sure: a reghunt identified commit 29f0e955c97da002b5adb4e8c9dfd2ea9709e207 Author: H.J. Lu <hjl.to...@gmail.com> Date: Mon Aug 2 10:01:46 2021 -0700 x86: Update piecewise move and store