https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113312
--- Comment #26 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Xin Li from comment #25) > (In reply to Xin Li from comment #22) > > Per Peter's suggestion, I added __attribute__((no_callee_saved_registers)) > > to a linux source tree containing FRED patches: > > https://github.com/xinli-intel/linux-fred-public/commit/ > > 12c38143a5c33e89f2b3d8906629dd4f23f8d79c > > It's better to refer to branch 'gcc-no_callee_saved_registers' instead: > > https://github.com/xinli-intel/linux-fred-public/commits/gcc- > no_callee_saved_registers/ I commented on your commit to add __attribute__((no_callee_saved_registers)).