https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96043
--- Comment #8 from Tamar Christina <tnfchris at gcc dot gnu.org> --- (In reply to Richard Biener from comment #7) > (In reply to Tamar Christina from comment #6) > > Hi Richi, > > > > This change seems to have caused a few of our vectorization benchmarks to > > slow down including x264 which slowed down about 7%. > > > > I can see similar slowdowns on x86 > > https://lnt.opensuse.org/db_default/v4/SPEC/12977 > > https://lnt.opensuse.org/db_default/v4/SPEC/12978 > > > > was this expected and we should fiddle with the cost model to recover these? > > That wasn't expected - can you open a new bugreport please? Ideally we'd > have > a testcase to look at of course. Sure, will do, I'll try to isolate the function that changed to make a testcase.
