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Re: SPECfp95: Huge performance loss with -fnew-ra?

From: Diego Novillo <dnovillo at redhat dot com>
To: Michael Matz <matz at suse dot de>
Cc: Daniel Berlin <dberlin at dberlin dot org>, gcc at gcc dot gnu dot org
Date: Wed, 24 Jul 2002 19:30:20 -0400
Subject: Re: SPECfp95: Huge performance loss with -fnew-ra?
Organization: Red Hat Canada
References: <Pine.LNX.4.44.0207222158580.15451-100000@dberlin.org> <Pine.LNX.4.33.0207231206090.22087-100000@wotan.suse.de>

On Tue, 23 Jul 2002, Michael Matz wrote:

> Hi,
> 
> On Mon, 22 Jul 2002, Daniel Berlin wrote:
> 
> > > I am not sure at the moment if it's the new register allocator by
> > > itself or some combination of -fnew-ra and some other change.
> >
> > No, it's the new-ra, i'm sure.
> 
> Me too ;)
> 
OK.  Any ideas why the new allocator seems to have almost no
effect on integer code?  Is it the same problem?


Thanks.  Diego.

Follow-Ups:
- Re: SPECfp95: Huge performance loss with -fnew-ra?
  - From: Michael Matz

References:
- Re: SPECfp95: Huge performance loss with -fnew-ra?
  - From: Daniel Berlin
- Re: SPECfp95: Huge performance loss with -fnew-ra?
  - From: Michael Matz

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