Re: [PATCH] powerpc: tiny memcpy_(to|from)io optimisation
From: Albrecht Dreß <hidden>
Date: 2009-06-03 18:35:36
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.
Attachments
- (unnamed) [application/pgp-signature] 189 bytes