r122372 - in /trunk/gcc: ChangeLog config/bfin/...

[bernds@gcc.gnu.org]

Author: bernds
Date: Tue Feb 27 13:25:41 2007
New Revision: 122372

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122372
Log:
	* config/bfin/bfin.c: Include "cfglayout.h".
	(MAX_LSETUP_DISTANCE): New macro.
	(struct loop_info): New members incoming, incoming_src and
	incoming_dest.  Delete member predecessor.
	(length_for_loop): New function.
	(bfin_optimize_loop): Handle more different loop structures.
	(bfin_discover_loop): Rework detection of predecessor blocks by
	examining incoming edges.
	(bfin_discover_loops, bfin_free_loops): New functions, broken out of
	bfin_reorg_loops.
	(bfin_reorder_loops): New function.
	(bfin_reorg_loops): Use these three new functions.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/bfin/bfin.c