From 28d2d5a7f9c01273eac866a42b230664c3169a3b Mon Sep 17 00:00:00 2001
From: Andrew Waterman
Date: Tue, 4 Aug 2015 00:25:00 -0700
Subject: Don't create zero-width Enums, at least for now

---
 src/main/scala/Chisel/Enum.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/main/scala/Chisel/Enum.scala b/src/main/scala/Chisel/Enum.scala
index 8da9954d..ae87dc00 100644
--- a/src/main/scala/Chisel/Enum.scala
+++ b/src/main/scala/Chisel/Enum.scala
@@ -33,7 +33,7 @@ import Literal._
 
 object Enum {
   private def makeLit[T <: Bits](nodeType: T, i: Int, n: Int) =
-    nodeType.cloneType.makeLit(i, BigInt(n-1).bitLength)
+    nodeType.cloneType.makeLit(i, BigInt(1 max (n-1)).bitLength)
 
   /** create n enum values of given type */
   def apply[T <: Bits](nodeType: T, n: Int): List[T] = Range(0, n).map(x => makeLit(nodeType, x, n)).toList
-- 
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