Sun Apr 30 22:48:24 2000  Jason Eckhardt  <jle@cygnus.com>

	* bb-reorder.c (scope_def): New struct.
	(scope_forest_info): New struct.
	(struct reorder_block_def): New member "scope".
	(REORDER_BLOCK_SCOPE): New macro.
	(relate_bbs_with_scopes): New function and prototype.
	(make_new_scope): Likewise.
	(build_scope_forest): Likewise.
	(remove_scope_notes): Likewise.
	(insert_intra_1): Likewise.
	(insert_intra_bb_scope_notes): Likewise.
	(insert_inter_bb_scope_notes): Likewise.
	(rebuild_scope_notes): Likewise.
	(free_scope_forest_1): Likewise.
	(free_scope_forest): Likewise.
	(dump_scope_forest): Likewise.
	(dump_scope_forest_1): Likewise.
	(chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
	Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
	block.
	(reorder_basic_blocks): Added calls to build_scope_scope_forest
	and remove_scope_notes before reordering is done. Added calls to
	rebuild_scope_notes, free_scope_forest, and reorder_blocks after
	after reordering is done.

From-SVN: r33560