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egcs/gcc Tag: egcs_1_1_branch ChangeLog flow.c ...

CVSROOT:	/egcs/carton/cvsfiles
Module name:	egcs
Changes by:	rth@egcs.cygnus.com	99/05/14 00:33:32

Modified files:
	gcc            : Tag: egcs_1_1_branch ChangeLog flow.c gcse.c 

Log message:
	* gcse.c (compute_pre_ppinout): Zero initial ppout for all
	exit blocks, and don't forward propogate into them either.
	
	* flow.c (add_pred_succ): Don't add duplicate edges.
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