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Re: Unaligned attribute

From: Daniel Jacobowitz <drow at false dot org>
To: Jan Hoogerbrugge <jan dot hoogerbrugge at gmail dot com>
Cc: gcc at gcc dot gnu dot org
Date: Thu, 20 Mar 2008 11:38:49 -0400
Subject: Re: Unaligned attribute
References: <5afce4f40803200827u5f550f06k33f180c4281afa21@mail.gmail.com>

On Thu, Mar 20, 2008 at 04:27:42PM +0100, Jan Hoogerbrugge wrote:
> Hi,
> 
> I am looking for a way to specify that data is not aligned and that therefore
> word accesses should be expanded into byte accesses. For example:
> 
> void f(__unaligned int *a)
> {
>   *a = 0;
> }
> 
> Expands into 4 byte stores. Any suggestions on how to implement this?

Try __attribute__((__packed__))?

-- 
Daniel Jacobowitz
CodeSourcery

References:
- Unaligned attribute
  - From: Jan Hoogerbrugge

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