1 files changed, 14 insertions, 14 deletions
diff --git a/src/main/scala/chisel3/util/Arbiter.scala b/src/main/scala/chisel3/util/Arbiter.scala
index 89bb644a..d755b620 100644
--- a/src/main/scala/chisel3/util/Arbiter.scala
+++ b/src/main/scala/chisel3/util/Arbiter.scala
@@ -18,7 +18,7 @@ import chisel3.core.ExplicitCompileOptions.NotStrict
 class ArbiterIO[T <: Data](gen: T, n: Int) extends Bundle {
   val in  = Flipped(Vec(n, Decoupled(gen)))
   val out = Decoupled(gen)
-  val chosen = Output(UInt.width(log2Up(n)))
+  val chosen = Output(UInt(log2Up(n).W))
 }
 
 /** Arbiter Control determining which producer has access
@@ -26,8 +26,8 @@ class ArbiterIO[T <: Data](gen: T, n: Int) extends Bundle {
 private object ArbiterCtrl {
   def apply(request: Seq[Bool]): Seq[Bool] = request.length match {
     case 0 => Seq()
-    case 1 => Seq(Bool(true))
-    case _ => Bool(true) +: request.tail.init.scanLeft(request.head)(_ || _).map(!_)
+    case 1 => Seq(true.B)
+    case _ => true.B +: request.tail.init.scanLeft(request.head)(_ || _).map(!_)
   }
 }
 
@@ -43,8 +43,8 @@ abstract class LockingArbiterLike[T <: Data](gen: T, n: Int, count: Int, needsLo
   if (count > 1) {
     val lockCount = Counter(count)
     val lockIdx = Reg(UInt())
-    val locked = lockCount.value =/= UInt(0)
-    val wantsLock = needsLock.map(_(io.out.bits)).getOrElse(Bool(true))
+    val locked = lockCount.value =/= 0.U
+    val wantsLock = needsLock.map(_(io.out.bits)).getOrElse(true.B)
 
     when (io.out.fire() && wantsLock) {
       lockIdx := io.chosen
@@ -53,7 +53,7 @@ abstract class LockingArbiterLike[T <: Data](gen: T, n: Int, count: Int, needsLo
 
     when (locked) { io.chosen := lockIdx }
     for ((in, (g, i)) <- io.in zip grant.zipWithIndex)
-      in.ready := Mux(locked, lockIdx === UInt(i), g) && io.out.ready
+      in.ready := Mux(locked, lockIdx === i.asUInt, g) && io.out.ready
   } else {
     for ((in, g) <- io.in zip grant)
       in.ready := g && io.out.ready
@@ -63,7 +63,7 @@ abstract class LockingArbiterLike[T <: Data](gen: T, n: Int, count: Int, needsLo
 class LockingRRArbiter[T <: Data](gen: T, n: Int, count: Int, needsLock: Option[T => Bool] = None)
     extends LockingArbiterLike[T](gen, n, count, needsLock) {
   lazy val lastGrant = RegEnable(io.chosen, io.out.fire())
-  lazy val grantMask = (0 until n).map(UInt(_) > lastGrant)
+  lazy val grantMask = (0 until n).map(_.asUInt > lastGrant)
   lazy val validMask = io.in zip grantMask map { case (in, g) => in.valid && g }
 
   override def grant: Seq[Bool] = {
@@ -71,20 +71,20 @@ class LockingRRArbiter[T <: Data](gen: T, n: Int, count: Int, needsLock: Option[
     (0 until n).map(i => ctrl(i) && grantMask(i) || ctrl(i + n))
   }
 
-  override lazy val choice = Wire(init=UInt(n-1))
+  override lazy val choice = Wire(init=(n-1).asUInt)
   for (i <- n-2 to 0 by -1)
-    when (io.in(i).valid) { choice := UInt(i) }
+    when (io.in(i).valid) { choice := i.asUInt }
   for (i <- n-1 to 1 by -1)
-    when (validMask(i)) { choice := UInt(i) }
+    when (validMask(i)) { choice := i.asUInt }
 }
 
 class LockingArbiter[T <: Data](gen: T, n: Int, count: Int, needsLock: Option[T => Bool] = None)
     extends LockingArbiterLike[T](gen, n, count, needsLock) {
   def grant: Seq[Bool] = ArbiterCtrl(io.in.map(_.valid))
 
-  override lazy val choice = Wire(init=UInt(n-1))
+  override lazy val choice = Wire(init=(n-1).asUInt)
   for (i <- n-2 to 0 by -1)
-    when (io.in(i).valid) { choice := UInt(i) }
+    when (io.in(i).valid) { choice := i.asUInt }
 }
 
 /** Hardware module that is used to sequence n producers into 1 consumer.
@@ -112,11 +112,11 @@ class RRArbiter[T <: Data](gen:T, n: Int) extends LockingRRArbiter[T](gen, n, 1)
 class Arbiter[T <: Data](gen: T, n: Int) extends Module {
   val io = IO(new ArbiterIO(gen, n))
 
-  io.chosen := UInt(n-1)
+  io.chosen := (n-1).asUInt
   io.out.bits := io.in(n-1).bits
   for (i <- n-2 to 0 by -1) {
     when (io.in(i).valid) {
-      io.chosen := UInt(i)
+      io.chosen := i.asUInt
       io.out.bits := io.in(i).bits
     }
   }