Please try out new inlining heuristics

[S. Bosscher]

> > > I now also have new # of instructions approximation scheme, so hope
> > > to get scores better now.
> > 
> > That sounds exciting.
> > 
> And it seems to work somehow...  I've stripped down your testsuite so it
> runs only 18 minutes and tested all three heuristics I've implemented.
> Interestingly enought the first one is still a winner.

Do you have a comparison of the "accuracy" of the old and your new # of
insns approximation? Have you tried -O2 without unit-at-a-time but with the
new approximation?

> The compile time savings are not that high tought.  Instead compilation
> time comes form 8:30 to 7:20 but I hope I will be able to tune them a
> bit better.
>
> I will send you what I have once tests finish.

Can you just send it to the list please?  I'm sure everybody's interested
;-)

Gr.
Steven