Subj : Re: A question about atomic_ptr
To   : comp.programming.threads
From : Chris Thomasson
Date : Thu Apr 14 2005 07:56 am

>>> The ppc version of atomic_ptr uses different interlocked logic since
>>> ppc doesn't have double wide CAS.
>>
>> I thought it had ldarx/stdcx.?
>
> You use ll/sc to create atomic primitives.

Arggrhrgh. I read lwarx/stwcx, did not notice the doubleword version. Sorry!


Anyway, I think that lwarx/stwcx and ldarx/stdcx "both" work on 64-bit cpu, 
work on 64-bit values... I am not totally sure.

.