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Re: [PATCH] Fix optimization regression in constant folder

From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
To: richard dot guenther at gmail dot com
Cc: ebotcazou at adacore dot com, gcc-patches at gcc dot gnu dot org, iant at google dot com
Date: Sun, 30 Sep 2007 13:04:55 EDT
Subject: Re: [PATCH] Fix optimization regression in constant folder
References: <200709171539.26653.ebotcazou@adacore.com> <200709301522.01416.ebotcazou@adacore.com> <84fc9c000709300626k56568fa3g2a2a6f58f1bca726@mail.gmail.com> <200709301801.39718.ebotcazou@adacore.com> <10709301625.AA26004@vlsi1.ultra.nyu.edu> <84fc9c000709300930u590453a7m708f13b0e9d50aa4@mail.gmail.com>

> > I agree because they are both always known to be much better behaved than
> > any user type and one of the most critical types to optimize.  It will
> > always be the case that many more optimizations are both safe and
> > important for those types than for user types.
> 
> Please show testcases.

I'm making a general comment about strategies, not a specific optimization.

References:
- [PATCH] Fix optimization regression in constant folder
  - From: Eric Botcazou
- Re: [PATCH] Fix optimization regression in constant folder
  - From: Eric Botcazou
- Re: [PATCH] Fix optimization regression in constant folder
  - From: Richard Guenther
- Re: [PATCH] Fix optimization regression in constant folder
  - From: Eric Botcazou
- Re: [PATCH] Fix optimization regression in constant folder
  - From: Richard Kenner
- Re: [PATCH] Fix optimization regression in constant folder
  - From: Richard Guenther

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