[scala3] Add missing implies for BitsIntf (#5055)

Author: adkian-sifive

core/src/main/scala-2/chisel3/BitsIntf.scala

@@ -900,5 +900,5 @@ private[chisel3] trait BoolIntf extends ToBoolable { self: Bool =>
   def implies(that: Bool): Bool = macro SourceInfoTransform.thatArg
 
   /** @group SourceInfoTransformMacro */
-  def do_implies(that: Bool)(implicit sourceInfo: SourceInfo): Bool = (!this) | that
+  def do_implies(that: Bool)(implicit sourceInfo: SourceInfo): Bool = _impl_implies(that)
 }

core/src/main/scala-3/chisel3/BitsIntf.scala

@@ -597,4 +597,11 @@ private[chisel3] trait BoolIntf extends ToBoolable { self: Bool =>
   def asClock(using SourceInfo): Clock = _asClockImpl
 
   def asAsyncReset(using SourceInfo): AsyncReset = _asAsyncResetImpl
+
+  /** Logical implication
+    *
+    * @param that a boolean signal
+    * @return [[!this || that]]
+    */
+  def implies(that: Bool)(using SourceInfo): Bool = _impl_implies(that)
 }

core/src/main/scala/chisel3/Bits.scala

@@ -691,6 +691,8 @@ sealed class Bool() extends UInt(1.W) with BoolIntf with Reset {
   protected def _asAsyncResetImpl(implicit sourceInfo: SourceInfo): AsyncReset =
     pushOp(DefPrim(sourceInfo, AsyncReset(), AsAsyncResetOp, ref))
 
+  protected def _impl_implies(that: Bool)(implicit sourceInfo: SourceInfo): Bool = (!this) | that
+
   override protected def _fromUInt(that: UInt)(implicit sourceInfo: SourceInfo): this.type = {
     _resizeToWidth(that, this.widthOption, true)(identity).asBool.asInstanceOf[this.type]
   }