2000-01-24  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* basic-block.h (struct loops): New field `levels'.
	* flow.c (flow_loops_level_compute): Traverse all outer loops.
	(flow_loop_level_compute): Initialise level to 1.
	(flow_loops_find): Set loops->levels.
	(flow_loops_dump): Print loops->levels.

From-SVN: r31577