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Re: GCC not awre of MMU

From: Jim Wilson <wilson at tuliptree dot org>
To: Schaefer Philipp <philipp dot schaefer at siemens dot com>
Cc: gcc-bugs at gcc dot gnu dot org
Date: Thu, 07 Aug 2003 00:13:46 -0700
Subject: Re: GCC not awre of MMU
References: <BCB494E8B7BF2D40B56D1164C67BC2A8017A77B2@kher443a.ww004.siemens.net>

Schaefer Philipp wrote:

But this Code would work only Correct If  there would not be a MMU wich
swaps Litle Endian to Big-endian Values in some part of Memory !!!

Try declaring the object as volatile. Gcc won't change the memory access size for references to volatile objects, so it will load an entire word from memory and then convert to a short within the register. -- Jim Wilson, GNU Tools Support, http://www.SpecifixInc.com

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