missing memory barrier in acmp with C2

[Andrew Haley]

On 28/10/16 12:45, Roland Westrelin wrote:
> The reason I'm asking, is that to expand the barrier as c2 IR, I had to
> add support for a loadload memory barrier in the IR. If MemBarAcquire
> can be used instead then I can remove all the shared changes for the
> loadload memory barrier from my patch.

Excellent!  Make it so.

Andrew.