2007-09-27  Dmitry Zhurikhin  <zhur@ispras.ru>
	
	Patch to allow moving conditional jumps through some instructions.

	* sel-sched.c (moveup_rhs): Allow jumps to go through instructions
	if dependencies allow.
	(sel_rank_for_schedule): Prioritize jumps over other instructions.
	(fill_vec_av_set): Added more debug.
	(generate_bookkeeping_insn): Reset sched times on
	bookkeeping instructions.
	(move_cond_jump): New function.
	(fill_insns): Now handles scheduling of jumps.
	(sel_region_init): Added check to stop scheduling empty regions early.
	(sel_region_finish): Added some dump.
	(sel_sched_region_1): Cleanup.
	(sel_sched_region): Same.

	* sel-sched-ir.c (sel_split_edge): Remove now wrong assert.
	(bookkeeping_can_be_created_if_moved_through_p): Remove wrong 
	early check.