setOperationAction(ISD::SETCC, MVT::v4i1, Expand);
setOperationAction(ISD::SIGN_EXTEND, MVT::i64, Custom);
+ setOperationAction(ISD::ZERO_EXTEND, MVT::i64, Custom);
setOperationAction(ISD::INTRINSIC_WO_CHAIN, MVT::Other, Custom);
case ISD::BRCOND: return LowerBRCOND(Op, DAG);
case ISD::SELECT_CC: return LowerSELECT_CC(Op, DAG);
case ISD::SIGN_EXTEND: return LowerSIGN_EXTEND(Op, DAG);
+ case ISD::ZERO_EXTEND: return LowerZERO_EXTEND(Op, DAG);
case ISD::GlobalAddress: return LowerGlobalAddress(MFI, Op, DAG);
case ISD::INTRINSIC_WO_CHAIN: {
unsigned IntrinsicID =
return DAG.getNode(ISD::BUILD_PAIR, DL, VT, Op.getOperand(0), Hi);
}
+SDValue SITargetLowering::LowerZERO_EXTEND(SDValue Op,
+ SelectionDAG &DAG) const {
+ EVT VT = Op.getValueType();
+ SDLoc DL(Op);
+
+ if (VT != MVT::i64) {
+ return SDValue();
+ }
+
+ return DAG.getNode(ISD::BUILD_PAIR, DL, VT, Op.getOperand(0),
+ DAG.getConstant(0, MVT::i32));
+}
+
//===----------------------------------------------------------------------===//
// Custom DAG optimizations
//===----------------------------------------------------------------------===//