1 files changed, 23 insertions, 1 deletions
diff --git a/src/main/scala/chisel3/util/BitPat.scala b/src/main/scala/chisel3/util/BitPat.scala
index 6cba497e..b8a239d0 100644
--- a/src/main/scala/chisel3/util/BitPat.scala
+++ b/src/main/scala/chisel3/util/BitPat.scala
@@ -4,10 +4,10 @@ package chisel3.util
 
 import scala.language.experimental.macros
 import chisel3._
-import chisel3.core.CompileOptions
 import chisel3.internal.chiselRuntimeDeprecated
 import chisel3.internal.sourceinfo.{SourceInfo, SourceInfoTransform}
 
+
 object BitPat {
   /** Parses a bit pattern string into (bits, mask, width).
     *
@@ -77,6 +77,28 @@ object BitPat {
     val len = if (x.isWidthKnown) x.getWidth else 0
     apply("b" + x.litValue.toString(2).reverse.padTo(len, "0").reverse.mkString)
   }
+
+  implicit class fromUIntToBitPatComparable(x: UInt) extends SourceInfoDoc {
+    import internal.sourceinfo.{SourceInfo, SourceInfoTransform}
+
+    import scala.language.experimental.macros
+
+    final def === (that: BitPat): Bool = macro SourceInfoTransform.thatArg
+    final def =/= (that: BitPat): Bool = macro SourceInfoTransform.thatArg
+
+    /** @group SourceInfoTransformMacro */
+    def do_=== (that: BitPat)  // scalastyle:ignore method.name
+               (implicit sourceInfo: SourceInfo, compileOptions: CompileOptions): Bool = that === x
+    /** @group SourceInfoTransformMacro */
+    def do_=/= (that: BitPat)  // scalastyle:ignore method.name
+               (implicit sourceInfo: SourceInfo, compileOptions: CompileOptions): Bool = that =/= x
+
+    final def != (that: BitPat): Bool = macro SourceInfoTransform.thatArg
+    @chiselRuntimeDeprecated
+    @deprecated("Use '=/=', which avoids potential precedence problems", "chisel3")
+    def do_!= (that: BitPat)  // scalastyle:ignore method.name
+              (implicit sourceInfo: SourceInfo, compileOptions: CompileOptions): Bool = that != x
+  }
 }
 
 /** Bit patterns are literals with masks, used to represent values with don't