remove aliasing for branchType and fix tests ending in dependent load chains

src/main/scala/ToplevelSignals.scala

@@ -68,7 +68,7 @@ object branchType {
   val gteu = 4.asUInt(3.W)
   val ltu  = 5.asUInt(3.W)
   val jump = 6.asUInt(3.W)
-  val DC   = 0.asUInt(3.W)
+  val DC   = 7.asUInt(3.W)
 }
 
 

src/test/scala/chiselTestRunner.scala

@@ -142,7 +142,7 @@ private class ChiselTestRunner (
 
   // After finishing, let the circuit run until all updates can be committed.
   private def flush: List[CircuitTrace] =
-    (0 to 4).map(_ => stepOne).reverse.toList
+    (0 to 5).map(_ => stepOne).reverse.toList
 
   /**
     * Run the entire shebang