On Mar 28, 2014, at 9:03 AM, Gerriet M. Denkmann wrote: > I need something like: > > vU1024 a = ... > vU1024 b = ... > a += b > > can one do (A): > vU1024Add( &a, &b, &a); > > or do I have to write (B): > vU1024 temp; > vU1024Add( &a, &b, &temp) ; > memcpy(&a, &temp, sizeof(a) ); > > I tried (A) and it seems to work. > But this could be some (undocumented) implementation detail, and I am kind of > reluctant to rely on it. > Any authoritative answers?
You're more likely to get an answer from the perfoptimization-dev list <https://lists.apple.com/mailman/listinfo/perfoptimization-dev>. Regards, Ken _______________________________________________ Cocoa-dev mailing list ([email protected]) 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
