[PATCH, rs6000] Improve atomic_load/store code gen for Power8 TI mode

[Pat Haugen]

On 04/09/2014 02:56 PM, David Edelsohn wrote:
> I have reverted this on trunk and asked Bill to revert this on the 4.8
> branch. This patch is too risky to apply this close to a freeze for
> 4.9.
I received approval off list for an updated variant of the patch for 
4.8, so this patch has now been (re)committed to 4.8/4.9/trunk.

-Pat