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Re: signed is undefined and has been since 1992 (in GCC)

From: Robert Dewar <dewar at adacore dot com>
To: Gabriel Dos Reis <gdr at integrable-solutions dot net>
Cc: Andrew Pinski <pinskia at physics dot uc dot edu>, Olivier Galibert <galibert at pobox dot com>,'gcc mailing list' <gcc at gcc dot gnu dot org>, 'Andrew Haley' <aph at redhat dot com>, Dave Korn <dave dot korn at artimi dot com>
Date: Tue, 28 Jun 2005 15:31:59 -0400
Subject: Re: signed is undefined and has been since 1992 (in GCC)
References: <20050628180203.GG52889@dspnet.fr.eu.org> <SERRANOVkwyBnVBwYkm00000277@SERRANO.CAM.ARTIMI.COM> <20050628191006.GI52889@dspnet.fr.eu.org> <882882640c20778910272cdd8e19eff4@physics.uc.edu> <m3fyv2ffnv.fsf@uniton.integrable-solutions.net>

Gabriel Dos Reis wrote:

The strict aliasing rule by itself does not show it is not a high level
assembly language.  There are chips out there where you cannot access
data willy-nilly through random register types.

And there are chips for which signed arithmetic is not wrap around!

Follow-Ups:
- Re: signed is undefined and has been since 1992 (in GCC)
  - From: Gabriel Dos Reis
- Re: signed is undefined and has been since 1992 (in GCC)
  - From: Joe Buck

References:
- Re: signed is undefined and has been since 1992 (in GCC)
  - From: Olivier Galibert
- RE: signed is undefined and has been since 1992 (in GCC)
  - From: Dave Korn
- Re: signed is undefined and has been since 1992 (in GCC)
  - From: Olivier Galibert
- Re: signed is undefined and has been since 1992 (in GCC)
  - From: Andrew Pinski
- Re: signed is undefined and has been since 1992 (in GCC)
  - From: Gabriel Dos Reis

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