Re: 100% speed improvement 3.4 -> 3.5 for ia64!! (?)

[Andrew Pinski <pinskia at physics dot uc dot edu>]

On Apr 14, 2004, at 08:10, Richard Guenther wrote:

> On Wed, 14 Apr 2004, Richard Guenther wrote:
>
> > Anyone has an idea what improved so much for ia64 compared to 3.4?  
> > Only
> > flags I'm using are -O2 -funroll-loops -ffast-math, numerics are 
> > mostly
> > FP multiplication/addition.  Do I need to be concerned and investigate
> > results more closely?
>
> So if there is something architecture specific with that much of an
> improvement, this may be a candidate for a backport to 3.4.1?

The change was most likely the inlining of the integer divide.
The patch was here: 
<http://gcc.gnu.org/ml/gcc-patches/2004-03/msg00779.html>
and some follow up patches too.

I think the release manager does not want to talk about 3.4.1 at this 
point
as 3.4.0 is still not out the door.

Thanks,
Andrew