At 11:48 AM 3/16/2003, Jason Thorpe wrote:

>On Sunday, March 16, 2003, at 10:41  AM, Nathan J. Williams wrote:
>
>>Why? The performance of unaligned fetches always sucks, even when they
>>don't trap. I think we should be going the other way: actively
>>preventing, if not forbidding, unaligned data structures even on CPUs
>>that don't require alignment, to improve performance.
>
>Is unaligned access really that bad on PowerPC CPUs that can do it?

No.  It's almost as fast aligned accesses.


-- 
Matt Thomas               Internet:   matt@3am-software.com
3am Software Foundry      WWW URL:    http://www.3am-software.com/bio/matt/
Cupertino, CA             Disclaimer: I avow all knowledge of this message