diff --git a/lib/Target/Mips/Mips16ISelLowering.cpp b/lib/Target/Mips/Mips16ISelLowering.cpp
index ab649bd..f0faca6 100644
--- a/lib/Target/Mips/Mips16ISelLowering.cpp
+++ b/lib/Target/Mips/Mips16ISelLowering.cpp
@@ -145,6 +145,11 @@
   setOperationAction(ISD::ATOMIC_LOAD_UMIN,   MVT::i32,   Expand);
   setOperationAction(ISD::ATOMIC_LOAD_UMAX,   MVT::i32,   Expand);
 
+  setOperationAction(ISD::ROTR, MVT::i32,  Expand);
+  setOperationAction(ISD::ROTR, MVT::i64,  Expand);
+  setOperationAction(ISD::BSWAP, MVT::i32, Expand);
+  setOperationAction(ISD::BSWAP, MVT::i64, Expand);
+
   computeRegisterProperties();
 }