: Rewrite tree level PRE

Hello Daniel,

* Daniel Berlin wrote on Sun, Jul 06, 2008 at 06:33:10AM CEST:
* Makefile.in (BJS-common): Remove tree-vn.o.
tree-vn.o: Remove.

* tree-ssa-pre.c: Rewritten entirely.

a/gcc/Makefile.in Sun Jul 06 00:16:30 2008 +0000
b/gcc/Makefile.in Sun Jul 06 00:27:17 2008 -0400

Needs $(DBGCNT_H) added to tree-ssa-pre.o prerequisites.

a/gcc/tree-ssa-pre.c Sun Jul 06 00:16:30 2008 +0000
b/gcc/tree-ssa-pre.c Sun Jul 06 00:27:17 2008 -0400
@@ -46,6 +46,7 @@
#include "cfgloop.h"
#include "tree-ssa-sccvn.h"
#include "params.h"
+#include "dbgcnt.h"

Cheers,
Ralf