2008-09-12  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-opt/37377
	
	* ira-build.c (common_loop_tree_node_dominator): Remove.
	(copy_live_ranges_to_removed_store_destinations): New function.
	(regno_top_level_allocno_map): Move to top level from ...
	(ira_flattening): ... here.  Use
	copy_live_ranges_to_removed_store_destinations.

	* ira-emit.c (generate_edge_moves): Fix a comment.

From-SVN: r140325