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 0f83fd2353a9d6372b450d24a3c4c664bf6be093..d9d387abf9417ee518db40122593196dff6e0530 100644 (file)
--- a/lib/Target/PIC16/PIC16ISelLowering.cpp
+++ b/lib/Target/PIC16/PIC16ISelLowering.cpp
@@ -105,6 +105,7 @@ PIC16TargetLowering::PIC16TargetLowering(PIC16TargetMachine &TM)
   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);