Move Cat into utils

1 files changed, 26 insertions, 0 deletions

diff --git a/src/main/scala/Chisel/util/Cat.scala b/src/main/scala/Chisel/util/Cat.scala
new file mode 100644
index 00000000..088a208e
--- /dev/null
+++ b/src/main/scala/Chisel/util/Cat.scala
@@ -0,0 +1,26 @@
+// See LICENSE for license details.
+
+package Chisel
+
+object Cat {
+  /** Combine data elements together
+    * @param a Data to combine with
+    * @param r any number of other Data elements to be combined in order
+    * @return A UInt which is all of the bits combined together
+    */
+  def apply[T <: Bits](a: T, r: T*): UInt = apply(a :: r.toList)
+
+  /** Combine data elements together
+    * @param r any number of other Data elements to be combined in order
+    * @return A UInt which is all of the bits combined together
+    */
+  def apply[T <: Bits](r: Seq[T]): UInt = {
+    if (r.tail.isEmpty) {
+      r.head.asUInt
+    } else {
+      val left = apply(r.slice(0, r.length/2))
+      val right = apply(r.slice(r.length/2, r.length))
+      left ## right
+    }
+  }
+}