2014-12-04 Yvan Roux <yvan.roux@linaro.org>

2014-12-04  Yvan Roux  <yvan.roux@linaro.org>

	Backport from trunk r217076.
	2014-11-04  Michael Collison <michael.collison@linaro.org>

	* config/aarch64/iterators.md (lconst_atomic): New mode attribute
	to support constraints for CONST_INT in atomic operations.
	* config/aarch64/atomics.md
	(atomic_<atomic_optab><mode>): Use lconst_atomic constraint.
	(atomic_nand<mode>): Likewise.
	(atomic_fetch_<atomic_optab><mode>): Likewise.
	(atomic_fetch_nand<mode>): Likewise.
	(atomic_<atomic_optab>_fetch<mode>): Likewise.
	(atomic_nand_fetch<mode>): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/linaro/gcc-4_9-branch@218394 138bc75d-0d04-0410-961f-82ee72b054a4