flow.c (mark_set_1, [...]): Now case; rework to allow entry to be EXPR_LIST.

flow.c (mark_set_1, [...]): Now case; rework to allow entry to be EXPR_LIST.

	* flow.c (mark_set_1, case PARALLEL): Now case; rework to allow
	entry to be EXPR_LIST.
	* rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
	be an EXPR_LIST (but not null, which other code doesn't allow).
	(note_stores): Properly handle PARALLEL in SET.
	Recursively call for top-level PARALLEL.
	* sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
	* sched-rgn.c (check_live_1, update_live_1): Likewise.

From-SVN: r39118