http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61034
--- Comment #6 from rguenther at suse dot de <rguenther at suse dot de> --- On Mon, 5 May 2014, glisse at gcc dot gnu.org wrote: > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61034 > > --- Comment #5 from Marc Glisse <glisse at gcc dot gnu.org> --- > (In reply to Richard Biener from comment #4) > > you might want to check whether that improves things and point me to stuff > > that is left (FRE related). > > The fre2 dump looks much nicer (the .optimized dump is a bit surprising, I > would need more time to look at it). It is not sufficient, but it clearly > helps. > > In the fre2 dump, I still see (skipping many lines, I may have skipped some > essential ones): > > D.2325.o = _4; > D.2325.o = _101; > _105 = _4; > __builtin_free (_105); > _96 = D.2325.o; > > (instead of _96 = _101) that's a conditional assignment AFAICS
