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Re: C++ aliasing changes on mainline (was: GCC 3.1 Prerelease)

From: Paolo Carlini <pcarlini at unitus dot it>
To: Gerald Pfeifer <pfeifer at dbai dot tuwien dot ac dot at>
Cc: gcc at gcc dot gnu dot org
Date: Wed, 24 Apr 2002 12:34:15 +0200
Subject: Re: C++ aliasing changes on mainline (was: GCC 3.1 Prerelease)
References: <Pine.BSF.4.44.0204232000250.2524-100000@pulcherrima.dbai.tuwien.ac.at>

Gerald Pfeifer wrote:

>I got mixed results. The binary with the changes above (and all CVS
>changes between Monday and Tuesday)  was somewhat smaller than the
>original. Performance didn't change too much, either way.
>
Thank you very much Gerald.
Indeed, I find those numbers very interesting and very puzzling! 
Definitely I did expect a clear positive effect of the C++ aliasing 
patch... First, I have to learn more about the main features of such C++ 
code.

Ciao, Paolo.

Follow-Ups:
- Re: C++ aliasing changes on mainline (was: GCC 3.1 Prerelease)
  - From: Jan Hubicka

References:
- C++ aliasing changes on mainline (was: GCC 3.1 Prerelease)
  - From: Gerald Pfeifer

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