Subj : Re: Memory visibility and MS Interlocked instructions
To   : comp.programming.threads
From : Alexander Terekhov
Date : Mon Sep 05 2005 12:03 pm


Sean Kelly wrote:
[...]
> Upon reflection, it seems like there's no way to achieve GSO on x86, as
> current LOCK implementations are specified as local to the processor

You can get classic SC under x86 PC if you replace all loads with 
load-cmpxchg-locked loops. I just wonder why revised Java volatiles
(which supposedly meant to provide SC semantics) on x86 don't do that.

regards,
alexander.

.