// allows us to convert the shift and and into an h-register extract and
// a scaled index.
if (Shift.getOpcode() == ISD::SRL && Shift.hasOneUse()) {
- unsigned ScaleLog = 8 - C1->getZExtValue();
+ int ScaleLog = 8 - C1->getZExtValue();
if (ScaleLog > 0 && ScaleLog < 4 &&
C2->getZExtValue() == (UINT64_C(0xff) << ScaleLog)) {
SDValue Eight = CurDAG->getConstant(8, MVT::i8);