> The following patch restores the old default limits for loop peeling > that were recently changed to 100 and caused a 20% degradation in > 454.calculix. > > Bootstrap/regtest on powerpc64-linux with no new regressions. Ok for trunk? > > -Pat > > > 2012-12-06 Pat Haugen <pthau...@us.ibm.com> > * config/rs6000/rs6000.c (rs6000_option_override_internal): Set > default loop peeling limits.
Actually the calculix regression is also seen on core. Igor was looking into what loops got slower and why. Either we can fix that partiuclar loop or revert to the old default (that sadly causes quite a lot of code bloat) Honza
