Subj : Re: std::msync
To   : comp.programming.threads
From : Alexander Terekhov
Date : Fri Apr 01 2005 01:11 am


Alexander Terekhov wrote:
[...]
> > Am I correct in thinking that Sparc-style #XY means sink-Y + hoist-X? That
> > is, #LoadStore means Sink-Load + Hoist-Store, i.e. what we want above.
> 
> Yep. 

Well, it's not that simple. For example compound LoadLoad + StoreStore
fence doesn't contitute "full" fence. OTOH memop.acq+rel does have the
effect of full fence.

> Sparc doesn't use unidirectional labels. They have bidirectional
> fences of various types.

Way too many types. They went over the board with fences, AFAICS.

regards,
alexander.

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