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Re: [PATCH][4.3] Alternate fix for PR34244, fix PR36262

From: Richard Guenther <rguenther at suse dot de>
To: Zdenek Dvorak <rakdver at kam dot mff dot cuni dot cz>
Cc: gcc-patches at gcc dot gnu dot org, law at redhat dot com
Date: Sat, 31 May 2008 14:59:17 +0200 (CEST)
Subject: Re: [PATCH][4.3] Alternate fix for PR34244, fix PR36262
References: <Pine.LNX.4.64.0805211603171.4039@zhemvz.fhfr.qr> <20080530145704.GA14292@kam.mff.cuni.cz>

On Fri, 30 May 2008, Zdenek Dvorak wrote:

> Hi,
> 
> > Zdenek, can you think of a different way to fix the compile-time and
> > memory problems with clearing the SCEV cache?
> 
> no, not really.  One possible way I had tried some time ago was to
> remove just the information that is invalidated from the cache; however,
> the overhead of deciding which part of the cache is invalidated was
> larger than the gains,

Ok.  I installed the equivalent patch on the mainline and backport it
after 4.3.1 is released.

Thanks,
Richard.

References:
- [PATCH][4.3] Alternate fix for PR34244, fix PR36262
  - From: Richard Guenther
- Re: [PATCH][4.3] Alternate fix for PR34244, fix PR36262
  - From: Zdenek Dvorak

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