On Thu, Oct 29, 2020 at 7:29 AM Uros Bizjak <ubiz...@gmail.com> wrote: > > Use TEST %reg,%reg which sets the zero flag in the same way > as CMP $0,%reg, but the encoding uses one byte less.
This will make a Linux distro fit on an embedded device that previously had four bytes too little flash :) Reviewed-by: Andy Lutomirski <l...@kernel.org>
