-fprofile-generate and -fprofile-use

[Janis Johnson]

On Wed, Jul 20, 2005 at 10:45:01AM -0700, girish vaitheeswaran wrote:
> > --- Steven Bosscher <stevenb@suse.de> wrote:
> > 
> > > On Wednesday 20 July 2005 18:53, girish vaitheeswaran wrote:
> > > > I am seeing a 20% slowdown with feedback optimization.
> > > > Does anyone have any thoughts on this.
> > > 
> > > My first thought is that you should probably first
> > > tell what compiler
> > > you are using.
>
> I am using gcc 3.4.3
> -girish

Which platform?  I've seen slower code for profile-directed optimizations
on powerpc64-linux with GCC 4.0 and mainline.  It's a bug, but I haven't
looked into it enough to provide a small test case for a problem report.

Janis