egcs/gcc ChangeLog flow.c

[law@egcs.cygnus.com]

CVSROOT:	/egcs/carton/cvsfiles
Module name:	egcs
Changes by:	law@egcs.cygnus.com	99/09/20 05:34:29

Modified files:
	gcc            : ChangeLog flow.c 

Log message:
	* flow.c (merge_blocks_move_predecessor_nojumps): New function.
	(merge-blocks_move_successor_nojumps): Likewise.
	(merge_blocks): Allow merging of some blocks, even if it requires
	physical movement of the blocks, but not if it requires new jumps.