2007-10-15 Steven G. Kargl <kargl@gcc.gnu.org>

[pf3gnuchains/gcc-fork.git] / gcc / tree-predcom.c

diff --git a/gcc/tree-predcom.c b/gcc/tree-predcom.c
index fcf4291..6fa80ee 100644 (file)
--- a/gcc/tree-predcom.c
+++ b/gcc/tree-predcom.c
@@ -1393,7 +1393,16 @@ mark_virtual_ops_for_renaming (tree stmt)
   tree var;
 
   if (TREE_CODE (stmt) == PHI_NODE)
-    return;
+    {
+      var = PHI_RESULT (stmt);
+      if (is_gimple_reg (var))
+       return;
+
+      if (TREE_CODE (var) == SSA_NAME)
+       var = SSA_NAME_VAR (var);
+      mark_sym_for_renaming (var);
+      return;
+    }
 
   update_stmt (stmt);