Subject: Re: [PATCH] powerpc: tiny memcpy_(to|from)io optimisation

From: Albrecht Dreß <[email-masked]>
Date: Wed, 03 Jun 2009 20:35:26 +0200

Am 03.06.09 16:36 schrieb(en) Kenneth Johansson:
> On an e300 core using the lwzu/stwu is about 20% faster so at least  
> one core prefer that optimization.

Bingo.  The '5200 on my test system has that core.  So "-mcpu=603e"  
should select this strategy!

Cheers, Albrecht.