diff --git a/llvm/lib/Target/Mips/MipsISelDAGToDAG.cpp b/llvm/lib/Target/Mips/MipsISelDAGToDAG.cpp
index 4acd73271687..d8a84ce52991 100644
--- a/llvm/lib/Target/Mips/MipsISelDAGToDAG.cpp
+++ b/llvm/lib/Target/Mips/MipsISelDAGToDAG.cpp
@@ -356,6 +356,7 @@ SDNode* MipsDAGToDAGISel::Select(SDNode *Node) {
                                   LHS, SDValue(AddCarry,0));
     }
 
+    /// Mul with two results
     case ISD::SMUL_LOHI:
     case ISD::UMUL_LOHI: {
       SDValue Op1 = Node->getOperand(0);