di-longlong64-sync-1.c: New test.

di-longlong64-sync-1.c: New test.

gcc/testsuite/
2011-10-14  David Alan Gilbert  <david.gilbert@linaro.org>

	* gcc.dg/di-longlong64-sync-1.c: New test.
	* gcc.dg/di-sync-multithread.c: New test.
	* gcc.target/arm/di-longlong64-sync-withhelpers.c: New test.
	* gcc.target/arm/di-longlong64-sync-withldrexd.c: New test.
	* lib/target-supports.exp: (arm_arch_*_ok): Series of effective-target
	tests for v5, v6, v6k, and v7-a, and add-options helpers.
	(check_effective_target_arm_arm_ok): New helper.
	(check_effective_target_sync_longlong): New helper.

From-SVN: r179983