GCC-4.5.0 comparison with previous releases and LLVM-2.7 on SPEC2000 for x86/x86_64

[Jan Hubicka]

> Thanks for the suggestion. Raksit currently is busy with merging trunk
> changes back to lw-ipo branch which can be a daunting task. After that
> this can be done.  (Our internal release is based on 4.4).

I must say that LIPO is something I always intend to look into but didn't
seriously find time for that yet (well, hoping that submitting the thesis will
make this easier).
What are the LIPO's features that are missing in -flto -fprofile-use?

Honza
> 
> David
> 
> On Thu, Apr 29, 2010 at 2:38 PM, Steven Bosscher <stevenb.gcc@gmail.com> wrote:
> > On Thu, Apr 29, 2010 at 11:27 PM, Jan Hubicka <hubicka@ucw.cz> wrote:
> >> It would be interesting to know if same improvement happens with LTO and if
> >> not what LIPO does. Â I will unbreak vortex on our tester.
> >
> > Perhaps you can add a LIPO tester? It looks like a very interesting
> > and promising approach.
> >
> > Ciao!
> > Steven
> >