Re: NSInteger vs int vs int32_t
Re: NSInteger vs int vs int32_t
- Subject: Re: NSInteger vs int vs int32_t
- From: Scott Ribe <email@hidden>
- Date: Thu, 05 Jul 2012 08:11:35 -0600
On Jul 4, 2012, at 11:41 PM, Nathan Day wrote:
> It must if 64bits is read in that mean you have just read in two 32bit words. So to put a 32bit word in a 64bit register some bit must be ditched, in some way, and if the CPU is optimise to only work with 64bit word alignment (don't know how intel does it), then to get 32 bit aligned words it must do some bit shift.
Why are you assuming 64 bits must be read from the cache?
--
Scott Ribe
email@hidden
http://www.elevated-dev.com/
(303) 722-0567 voice
_______________________________________________
Cocoa-dev mailing list (email@hidden)
Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden