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Re: gcc 4.0.0 on amd64: problem with -O2?

From: Harald Dunkel <harald dot dunkel at t-online dot de>
To: Falk Hueffner <falk at debian dot org>
Cc: Andrew Pinski <pinskia at physics dot uc dot edu>, gcc-bugs at gcc dot gnu dot org, aj at andaco dot de
Date: Sun, 08 May 2005 22:17:47 +0200
Subject: Re: gcc 4.0.0 on amd64: problem with -O2?
References: <427D0339.7030904@t-online.de> <680cf3ff627ea4ce82861a8253bb08b7@physics.uc.edu> <427D1619.3070705@t-online.de> <5ad10eb39c7f76b4dfb86e5217aab711@physics.uc.edu> <427DAFEA.5090804@t-online.de> <878y2qm3n7.fsf@debian.org>

Falk Hueffner wrote:
>
> It doesn't know that. The warning is for the *creation* of the
> type-punned pointer, which is still perfectly fine. Gcc is too stupid
> to notice whether you actually dereference it.
>

Yup. There are billions of this constructs in everbodies
and his moms source files. By now (< 4.0.0) this did not
hurt.

Regards

Harri

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References:
- gcc 4.0.0 on amd64: problem with -O2?
  - From: Harald Dunkel
- Re: gcc 4.0.0 on amd64: problem with -O2?
  - From: Andrew Pinski
- Re: gcc 4.0.0 on amd64: problem with -O2?
  - From: Harald Dunkel
- Re: gcc 4.0.0 on amd64: problem with -O2?
  - From: Andrew Pinski
- Re: gcc 4.0.0 on amd64: problem with -O2?
  - From: Harald Dunkel
- Re: gcc 4.0.0 on amd64: problem with -O2?
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