Subj : Re: Memory visibility and MS Interlocked instructions
To   : comp.programming.threads
From : Alexander Terekhov
Date : Wed Aug 31 2005 07:09 pm


Mayan Moudgill wrote:
[...]
> If the example above is not possible under processor consistency, then
> the following are possible:
> 1. x86s are not using PC OR
> 2. andy glew is wrong.

OR 

3. Mayan Moudgill is wrong.

> 
> I would pick option #1, given that Andy Glew definitely had a major hand
> in defining the memory model.

I pick option #3. Apart from restating "rules" from the ugly official 
specs, Andy Glew said that "when it came time to choose P6's memory 
model, we chose processor consistency."

regards,
alexander.

.