Handle recent changes in default atomics for cris*-*-linux*.

Handle recent changes in default atomics for cris*-*-linux*.

	* gcc.target/cris/torture/sync-mis-xchg-i-1ml.c,
	gcc.target/cris/torture/sync-mis-xchg-i-2ml.c,
	gcc.target/cris/torture/sync-mis-xchg-i-3ml.c,
	gcc.target/cris/torture/sync-mis-xchg-s-1ml.c,
	gcc.target/cris/torture/sync-mis-op-i-1ml.c,
	gcc.target/cris/torture/sync-mis-op-i-2ml.c,
	gcc.target/cris/torture/sync-mis-op-i-3ml.c,
	gcc.target/cris/torture/sync-mis-op-s-1ml.c: New tests.
	* gcc.target/cris/torture/sync-mis-op-i-2a.c: Make sure
	-mno-unaligned-atomic-may-use-library is in effect for
	cris*-*-linux*.
	* gcc.target/cris/torture/sync-mis-xchg-i-1.c,
	gcc.target/cris/torture/sync-mis-xchg-i-2.c,
	gcc.target/cris/torture/sync-mis-xchg-i-3.c,
	gcc.target/cris/torture/sync-mis-xchg-i-2a.c,
	gcc.target/cris/torture/sync-mis-xchg-s-1.c,
	gcc.target/cris/torture/sync-mis-op-i-1.c,
	gcc.target/cris/torture/sync-mis-op-i-2.c,
	gcc.target/cris/torture/sync-mis-op-i-1a.c,
	gcc.target/cris/torture/sync-mis-op-i-3.c,
	gcc.target/cris/torture/sync-mis-op-i-3a.c,
	gcc.target/cris/torture/sync-mis-op-s-1a.c,
	gcc.target/cris/torture/sync-mis-xchg-i-1a.c,
	gcc.target/cris/torture/sync-mis-xchg-i-3a.c,
	gcc.target/cris/torture/sync-mis-xchg-s-1a.c: Similar.
	* gcc.target/cris/torture/sync-mis-op-s-1.c: Ditto.
	(main): Remove local variable x.
	[mis_ok]: Check that atomics don't fail.

From-SVN: r189757