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Re: ldrb vs ldrh in gcc-3.4.4 (ARM)

From: Richard Earnshaw <rearnsha at gcc dot gnu dot org>
To: Philip Blundell <pb at reciva dot com>
Cc: Steven Scholz <steven dot scholz at imc-berlin dot de>, crossgcc <crossgcc at sources dot redhat dot com>
Date: Wed, 17 Aug 2005 14:46:38 +0100
Subject: Re: ldrb vs ldrh in gcc-3.4.4 (ARM)
References: <43033B8C.6050100@imc-berlin.de> <1124286169.18243.0.camel@mill.internal.reciva.com>

On Wed, 2005-08-17 at 14:42, Philip Blundell wrote:
> On Wed, 2005-08-17 at 15:28 +0200, Steven Scholz wrote:
> > Hi there,
> > 
> > I noticed that gcc-3.4.4 for ARM is using byte wise loading instructions 
> > although word wise would be much better. Does anyone know why? gcc-3.3.3 is 
> > doing it as I would expect.
> 
> Check your -march= setting.
> 
> p.

Or it might be a different 'default' CPU during configuration.

R.

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Follow-Ups:
- Re: ldrb vs ldrh in gcc-3.4.4 (ARM)
  - From: Lennert Buytenhek

References:
- ldrb vs ldrh in gcc-3.4.4 (ARM)
  - From: Steven Scholz
- Re: ldrb vs ldrh in gcc-3.4.4 (ARM)
  - From: Philip Blundell

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