Groundwork for assoc cache implementation

rocket/src/main/scala/util.scala

@@ -2,8 +2,14 @@ package Top
 {
 
 import Chisel._
-import Node._;
-import scala.math._;
+import Node._
+import scala.math._
+
+object foldR
+{
+  def apply[T <: Bits](x: Seq[T], f: (T, T) => T): T =
+    if (x.length == 1) x(0) else f(x(0), foldR(x.slice(1, x.length), f))
+}
 
 object log2up
 {