On Thu, Mar 10, 2016 at 6:10 PM, Ulrich Weigand <uweig...@de.ibm.com> wrote: > Hello, > > this patch fixes PR target/70168, a wrong code generation problem > caused by rs6000_expand_atomic_compare_and_swap not properly handling > the case where changing retval clobbers newval due to a register overlap. > > Tested with no regressions on powerpc64le-linux on mainline > and gcc-5-branch. > > OK for both? > > Bye, > Ulrich > > > ChangeLog: > > PR target/70168 > * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap): > Handle overlapping retval and newval.
Okay everywhere. Thanks, David