diff options
| -rw-r--r-- | lib/Target/PIC16/PIC16ISelLowering.cpp | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/lib/Target/PIC16/PIC16ISelLowering.cpp b/lib/Target/PIC16/PIC16ISelLowering.cpp index c8e58a6543..5996d886ad 100644 --- a/lib/Target/PIC16/PIC16ISelLowering.cpp +++ b/lib/Target/PIC16/PIC16ISelLowering.cpp @@ -1359,21 +1359,26 @@ SDValue PIC16TargetLowering::LowerADD(SDValue Op, SelectionDAG &DAG) { // Put one value on stack. SDValue NewVal = ConvertToMemOperand (Op.getOperand(MemOp), DAG, dl); + // ADDC and ADDE produces two results. SDVTList Tys = DAG.getVTList(MVT::i8, MVT::Flag); + // ADDE has three operands, the last one is a flag. if (Op.getOpcode() == ISD::ADDE) return DAG.getNode(Op.getOpcode(), dl, Tys, Op.getOperand(MemOp ^ 1), NewVal, Op.getOperand(2)); - else + // ADDC has two operands. + else if (Op.getOpcode() == ISD::ADDC) return DAG.getNode(Op.getOpcode(), dl, Tys, Op.getOperand(MemOp ^ 1), NewVal); + // ADD it is. It produces only one result. + else + return DAG.getNode(Op.getOpcode(), dl, MVT::i8, Op.getOperand(MemOp ^ 1), + NewVal); } - else if (Op.getOpcode() == ISD::ADD) { + else if (Op.getOpcode() == ISD::ADD) return Op; - } - else { + else return SDValue(); - } } SDValue PIC16TargetLowering::LowerSUB(SDValue Op, SelectionDAG &DAG) { |