On Wed, Jul 20, 2005 at 10:45:01AM -0700, girish vaitheeswaran wrote: > > --- Steven Bosscher <[EMAIL PROTECTED]> 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