2010-02-19 Ivan Maidanski <ivmai@mail.ru> (mostly really Patrick Marlier)

2010-02-19  Ivan Maidanski <ivmai@mail.ru> (mostly really Patrick Marlier)

	* src/atomic_ops/sysdeps/gcc/x86.h (AO_compare_and_swap_full):
	Use __sync_bool_compare_and_swap() if AO_USE_SYNC_CAS_BUILTIN.
	* src/atomic_ops/sysdeps/gcc/x86_64.h (AO_compare_and_swap_full):
	Ditto.
	* src/atomic_ops.h (AO_USE_SYNC_CAS_BUILTIN): New macro defined
	if GCC v4.2+ or Intel compiler v11.1+ (only for amd64).
	* src/atomic_ops.h: Include GCC-specific sysdeps files for Intel
	compiler in GCC compatible mode (only for x86 and amd64).