http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53957
--- Comment #9 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-07-26 10:18:55 UTC --- (In reply to comment #8) > (In reply to comment #7) > > so it would be still worthwhile to pursue your patch if it does not have > > negative effects elsewhere. We should be able to fix the induction code > > to handle this case. > > Regarding negative (or positive) impact with regards to performance: That's > difficult to test :-( > > However, with the patch, f951 stops with the following ICE > internal compiler error: in free_regset_pool, at sel-sched-ir.c:994 > with gfortran.dg/pr42294.f and gfortran.dg/pr44691.f. That's a pre-existing issue on current trunk, unrelated to the patch.
