Subj : Re: AMD has cmpxchg16b now - sort of To : comp.programming.threads From : SenderX Date : Thu Mar 10 2005 01:30 pm > The latest architecture manual (Feb 2005) for AMD 64 bit processors shows > cmpxchg16b as an instruction now. Except it's a processor feature. And > it turns out cmpxchg16b is a processor feature for Intel 64 bit extensions > as well. Powerpc is looking more and more attractive. I wonder why the Intel hardware architects never thought that somebody might find it useful to cas a pointer with a word... They give you the ability, then they take it away! :O .