[PATCHv2][libatomic] Avoid misaligned atomic operations

[Richard Henderson]

On 01/20/2015 02:10 PM, Andrew Waterman wrote:
> 2015-01-09  Andrew Waterman <waterman@cs.berkeley.edu>
> 
> 	* fop_n.c (libat_fetch_op): Align address to word boundary.
> 	(libat_op_fetch): Likewise.

Thanks.  Applied to 4.8, 4.9, and mainline branches.


r~