2011-06-07 Ivan Maidanski <ivmai@mail.ru>

2011-06-07  Ivan Maidanski  <ivmai@mail.ru>

	* src/atomic_ops/sysdeps/gcc/arm.h (AO_nop_full, AO_load): Do not
	define for pre-ARMv6 directly (revert part of the previous
	commit).
	* src/atomic_ops/sysdeps/gcc/arm.h (AO_test_and_set,
	AO_test_and_set_full): Refine the comment.
	* src/atomic_ops/sysdeps/gcc/arm.h (AO_test_and_set_full): Define
	SWP-based implementation at the end of file (if none of
	AO_test_and_set functions are defined previously).
	* src/atomic_ops/sysdeps/gcc/arm.h (AO_test_and_set): Remove
	SWP-based implementation (revert part of the previous commit).
	* src/atomic_ops/sysdeps/gcc/arm.h (AO_store): Remove redundant
	definition at the file end (revert part of the previous commit).