[mips][microMIPS] Implement SWM16 and LWM16 instructions
Differential Revision: http://reviews.llvm.org/D5579

llvm-svn: 222901
diff --git a/llvm/lib/Target/Mips/InstPrinter/MipsInstPrinter.cpp b/llvm/lib/Target/Mips/InstPrinter/MipsInstPrinter.cpp
index ab6b225..e836629 100644
--- a/llvm/lib/Target/Mips/InstPrinter/MipsInstPrinter.cpp
+++ b/llvm/lib/Target/Mips/InstPrinter/MipsInstPrinter.cpp
@@ -233,6 +233,8 @@
     break;
   case Mips::SWM32_MM:
   case Mips::LWM32_MM:
+  case Mips::SWM16_MM:
+  case Mips::LWM16_MM:
     opNum = MI->getNumOperands() - 2;
     break;
   }