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Re: Predictive commoning miscompiles 482.sphinx3 in SPEC CPU 2006

From: "H. J. Lu" <hjl at lucon dot org>
To: Andrew Pinski <pinskia at gmail dot com>
Cc: gcc at gcc dot gnu dot org, dvorakz at suse dot cz
Date: Fri, 1 Jun 2007 10:57:26 -0700
Subject: Re: Predictive commoning miscompiles 482.sphinx3 in SPEC CPU 2006
References: <20070601163754.GA9949@lucon.org> <20070601164420.GA9995@lucon.org> <de8d50360706010955o50b891fftc3d98cdc2f28e12e@mail.gmail.com>

On Fri, Jun 01, 2007 at 09:55:53AM -0700, Andrew Pinski wrote:
> 
> Because the patch had other effects like adding a DCE after Copyprop
> in the loop optimizer section.
> 

Disable DCE after Copyprop in the loop optimizer section fixes my
problem. Any idea why?

Thanks.


H.J.

Follow-Ups:
- Re: Predictive commoning miscompiles 482.sphinx3 in SPEC CPU 2006
  - From: Andrew Pinski
- Re: Predictive commoning miscompiles 482.sphinx3 in SPEC CPU 2006
  - From: Zdenek Dvorak

References:
- Predictive commoning miscompiles 482.sphinx3 in SPEC CPU 2006
  - From: H. J. Lu
- Re: Predictive commoning miscompiles 482.sphinx3 in SPEC CPU 2006
  - From: H. J. Lu
- Re: Predictive commoning miscompiles 482.sphinx3 in SPEC CPU 2006
  - From: Andrew Pinski

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