* gcc.target/cris/sync-2i.c, gcc.target/cris/sync-2s.c,
	gcc.target/cris/sync-3i.c, gcc.target/cris/sync-3s.c,
	gcc.target/cris/sync-4i.c, gcc.target/cris/sync-4s.c,
	gcc.target/cris/sync-1-v10.c,
	gcc.target/cris/sync-1-v32.c: For cris*-*-linux*, also
	pass -mno-unaligned-atomic-may-use-library.
	* gcc.target/cris/sync-xchg-1.c: New test.

From-SVN: r189505