2003-02-12  Phil Edwards  <pme@gcc.gnu.org>

	* config/cpu/generic/atomicity.h (_Atomic_add_mutex):  Fix declaration.
	(_GLIBCPP_NEED_GENERIC_MUTEX):  Define for this file.
	(_Atomic_add_mutex_once, __gthread_atomic_add_mutex_once):  Declare
	when we don't have static mutex initialization.
	(__exchange_and_add):  Use _Atomic_add_mutex_once.
	* src/misc-inst.cc:  Definitions of all the above.

From-SVN: r62818