2009-05-27 Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski)

2009-05-27  Hans Boehm <Hans.Boehm@hp.com> (Really Ivan Maidanski)
	(diff26)
	* win32_threads.c: restructure parallel marking mutex intialization.
	* win32_threads.c, alloc.c, darwin_stop_world.c, mallocx.c, mark.c,
	pthread_stop_world.c, pthread_support.c: Add runtime conditions
	on GC_parallel were appropriate.
	* pthread_support.c: Condition marker_bsp on ia64.
	(GC_segment_is_thread_stack): Fix loop upper bound.
	* reclaim.c: Limit some assertions to PARALLEL_MARK.
	* pthread_support.c: Don't acquire mark lock for thread-local
	allocation.
	* include/private/gc_priv.h: Don't define parallel mark sync
	support just for THREAD_LOCAL_ALLOC.