diff --git a/lib/Target/ARM/ARMISelDAGToDAG.cpp b/lib/Target/ARM/ARMISelDAGToDAG.cpp
index f6df6b01b9c..4b197db4076 100644
--- a/lib/Target/ARM/ARMISelDAGToDAG.cpp
+++ b/lib/Target/ARM/ARMISelDAGToDAG.cpp
@@ -59,6 +59,10 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
   setOperationAction(ISD::GlobalAddress, MVT::i32,   Custom);
   setOperationAction(ISD::ConstantPool,  MVT::i32,   Custom);
 
+  setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i16, Expand);
+  setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i8 , Expand);
+  setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1 , Expand);
+
   setOperationAction(ISD::SELECT, MVT::i32, Expand);
 
   setOperationAction(ISD::SETCC, MVT::i32, Expand);