Subj : Re: load-after-store reordering for x86 wrt smr...
To   : comp.programming.threads
From : Joe Seigh
Date : Tue Mar 15 2005 09:53 am

On Tue, 15 Mar 2005 14:40:03 +0100, Alexander Terekhov <terekhov@web.de> wrote:

>
> Joe Seigh wrote:
> [...]
>> Fortunately, most architectures support dependent load memory ordering,
>> otherwise you'd have to use load/load membars for them.
>
> On architectures that support dependent load memory ordering, msync::
> ddhlb (actually msync::ddacq) is simply implied everythere. This is
> bad, not good.
>

Yes, but if they "fix" it, it will be worse, not better, like alpha memory
architecture.

-- 
Joe Seigh

.