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Re: [PATCH] Fix optimization regression in constant folder

From: "Richard Guenther" <richard dot guenther at gmail dot com>
To: "Eric Botcazou" <ebotcazou at adacore dot com>
Cc: gcc-patches at gcc dot gnu dot org, "Ian Lance Taylor" <iant at google dot com>
Date: Sat, 29 Sep 2007 12:27:13 +0200
Subject: Re: [PATCH] Fix optimization regression in constant folder
References: <200709171539.26653.ebotcazou@adacore.com> <200709191246.21840.ebotcazou@adacore.com> <84fc9c000709190701m312f8848vede3c0dc598fe2cf@mail.gmail.com> <200709290820.14448.ebotcazou@adacore.com>

On 9/29/07, Eric Botcazou <ebotcazou@adacore.com> wrote:
> > Sure, but only GCC itself creates arithmetic in types with TYPE_IS_SIZETYPE
> > set.
>
> So, in the end, may I install the patch?  It restores a transformation that
> has been present in the compiler for ages, but only in valid cases, and I'm
> convinced that this can only help the compiler.

You still didn't come up with an optimization testcase which I asked for
in the initial reply.  And I won't make the decision on the patch (because
I'm not convinced), but defer that to Ian.

Thanks,
Richard.

Follow-Ups:
- Re: [PATCH] Fix optimization regression in constant folder
  - From: Eric Botcazou

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

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