[PATCH] [Power] Use lwsync for non-seq_cst fences

Robin Morisset morisset at google.com
Fri Oct 3 08:50:38 PDT 2014

I will add the test with ppc440.

This path is only for fences, and I do not think a monotonic fence makes
much sense. So it is not special cased (but should trigger a bunch of
errors earlier in the front-end or at least asserts in the middle-end).

Thanks for the reviews !


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