Custom lower SUB with two register operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72861 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PIC16/PIC16ISelLowering.cpp b/lib/Target/PIC16/PIC16ISelLowering.cpp
index 0f83fd2..d9d387a 100644
--- a/lib/Target/PIC16/PIC16ISelLowering.cpp
+++ b/lib/Target/PIC16/PIC16ISelLowering.cpp
@@ -105,6 +105,7 @@
   setOperationAction(ISD::ADDC,    MVT::i8,  Custom);
   setOperationAction(ISD::SUBE,    MVT::i8,  Custom);
   setOperationAction(ISD::SUBC,    MVT::i8,  Custom);
+  setOperationAction(ISD::SUB,    MVT::i8,  Custom);
   setOperationAction(ISD::ADD,    MVT::i8,  Custom);
   setOperationAction(ISD::ADD,    MVT::i16, Custom);