Fixed features usage.

llvm-svn: 53277
diff --git a/llvm/lib/Target/Mips/MipsISelLowering.cpp b/llvm/lib/Target/Mips/MipsISelLowering.cpp
index 8807aff..af54d2d 100644
--- a/llvm/lib/Target/Mips/MipsISelLowering.cpp
+++ b/llvm/lib/Target/Mips/MipsISelLowering.cpp
@@ -122,7 +122,7 @@
   if (Subtarget->isSingleFloat()) 
     setOperationAction(ISD::SELECT_CC, MVT::f64, Expand);
 
-  if (!Subtarget->isAllegrex()) {
+  if (!Subtarget->hasSEInReg()) {
     setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i8,  Expand);
     setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i16, Expand);
   }