More on memory barriers

[Andrew Haley]

On 15/09/14 17:20, Vitaly Davidovich wrote:
> Looking at hg history, MemBarStoreStore was added a few years ago, whereas
> the code in question is much older.  The comments in the changelist adding
> MemBarStoreStore seem to indicate it was done to address a specific issue,
> and my guess is that it wasn't "retrofitted" into all possible places.

That sounds plausible.  I'll change this to a StoreStore in the AArch64
port and do some testing.

Andrew.