2001-07-26  Andrew MacLeod  <amacleod@redhat.com>

	* params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
	limit length of dependancy flush list.
	* params.h (MAX_PENDING_LIST_LENGTH): Define.
	* sched-int.h  (struct deps): Add pending_flush_length field.
	* sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
	has 1 element in it.
	(sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
	(sched_analyze): After a jump, if the pending memory flush list is too
	large, flush the pending lists.
	(init_deps): Initialize pending_flush_length to 0.
	* doc/invoke.texi (max_pending_list_length): Document parameter.

From-SVN: r44398