Expose asUInt from Data

Deprecating toBits removes the capability to cast an arbitrary
type to UInt.  While it's still possible to do so using asBits.asUInt,
this creates boilerplate.  (asBits is almost never useful itself.)

2 files changed, 12 insertions, 9 deletions

diff --git a/chiselFrontend/src/main/scala/chisel3/core/Bits.scala b/chiselFrontend/src/main/scala/chisel3/core/Bits.scala
index 94d808a4..9cca5d9d 100644
--- a/chiselFrontend/src/main/scala/chisel3/core/Bits.scala
+++ b/chiselFrontend/src/main/scala/chisel3/core/Bits.scala
@@ -210,15 +210,6 @@ sealed abstract class Bits(dirArg: Direction, width: Width, override val litArg:
 
   def do_asSInt(implicit sourceInfo: SourceInfo): SInt
 
-  /** Reinterpret cast to an UInt.
-    *
-    * @note value not guaranteed to be preserved: for example, a SInt of width
-    * 3 and value -1 (0b111) would become an UInt with value 7
-    */
-  final def asUInt(): UInt = macro SourceInfoTransform.noArg
-
-  def do_asUInt(implicit sourceInfo: SourceInfo): UInt
-
   /** Reinterpret cast to Bits. */
   final def asBits(): Bits = macro SourceInfoTransform.noArg
 
diff --git a/chiselFrontend/src/main/scala/chisel3/core/Data.scala b/chiselFrontend/src/main/scala/chisel3/core/Data.scala
index d5704369..d31e50ff 100644
--- a/chiselFrontend/src/main/scala/chisel3/core/Data.scala
+++ b/chiselFrontend/src/main/scala/chisel3/core/Data.scala
@@ -114,6 +114,18 @@ abstract class Data(dirArg: Direction) extends HasId {
     */
   @deprecated("Use asBits, which makes the reinterpret cast more explicit and actually returns Bits", "chisel3")
   def toBits(): UInt = SeqUtils.do_asUInt(this.flatten)(DeprecatedSourceInfo)
+
+  /** Reinterpret cast to UInt.
+    *
+    * @note value not guaranteed to be preserved: for example, a SInt of width
+    * 3 and value -1 (0b111) would become an UInt with value 7
+    * @note Aggregates are recursively packed with the first element appearing
+    * in the least-significant bits of the result.
+    */
+  final def asUInt(): UInt = macro SourceInfoTransform.noArg
+
+  def do_asUInt(implicit sourceInfo: SourceInfo): UInt =
+    SeqUtils.do_asUInt(this.flatten)(sourceInfo)
 }
 
 object Wire {