// pressure of the register class's representative and all of it's super
// classes' representatives transitively. We have not implemented this because
// of the difficulty prior to coalescing of modeling operand register classes
-// due to the common occurence of cross class copies and subregister insertions
+// due to the common occurrence of cross class copies and subregister insertions
// and extractions.
std::pair<const TargetRegisterClass*, uint8_t>
ARMTargetLowering::findRepresentativeClass(EVT VT) const{
// than necessary, because it means that each store effectively depends
// on every argument instead of just those arguments it would clobber.
- // Do not flag preceeding copytoreg stuff together with the following stuff.
+ // Do not flag preceding copytoreg stuff together with the following stuff.
InFlag = SDValue();
for (unsigned i = 0, e = RegsToPass.size(); i != e; ++i) {
Chain = DAG.getCopyToReg(Chain, dl, RegsToPass[i].first,
Tmp1 = DAG.getNode(ARMISD::VSHL, dl, OpVT,
DAG.getNode(ISD::BITCAST, dl, OpVT, Tmp1),
DAG.getConstant(32, MVT::i32));
- }
+ } else if (VT == MVT::f32)
+ Tmp1 = DAG.getNode(ARMISD::VSHRu, dl, MVT::v1i64,
+ DAG.getNode(ISD::BITCAST, dl, MVT::v1i64, Tmp1),
+ DAG.getConstant(32, MVT::i32));
Tmp0 = DAG.getNode(ISD::BITCAST, dl, OpVT, Tmp0);
Tmp1 = DAG.getNode(ISD::BITCAST, dl, OpVT, Tmp1);
EVT CanonicalVT = VT.is128BitVector() ? MVT::v4i32 : MVT::v2i32;
SDValue Result = DAG.getNode(ARMISD::VBSL, dl, CanonicalVT,
N0->getOperand(1), N0->getOperand(0),
- N1->getOperand(1));
+ N1->getOperand(0));
return DAG.getNode(ISD::BITCAST, dl, VT, Result);
}
}
// Otherwise, the i64 value will be legalized to a pair of i32 values.
StoreSDNode *St = cast<StoreSDNode>(N);
SDValue StVal = St->getValue();
- if (!ISD::isNormalStore(St) || St->isVolatile() ||
- StVal.getValueType() != MVT::i64 ||
+ if (!ISD::isNormalStore(St) || St->isVolatile())
+ return SDValue();
+
+ if (StVal.getNode()->getOpcode() == ARMISD::VMOVDRR &&
+ StVal.getNode()->hasOneUse() && !St->isVolatile()) {
+ SelectionDAG &DAG = DCI.DAG;
+ DebugLoc DL = St->getDebugLoc();
+ SDValue BasePtr = St->getBasePtr();
+ SDValue NewST1 = DAG.getStore(St->getChain(), DL,
+ StVal.getNode()->getOperand(0), BasePtr,
+ St->getPointerInfo(), St->isVolatile(),
+ St->isNonTemporal(), St->getAlignment());
+
+ SDValue OffsetPtr = DAG.getNode(ISD::ADD, DL, MVT::i32, BasePtr,
+ DAG.getConstant(4, MVT::i32));
+ return DAG.getStore(NewST1.getValue(0), DL, StVal.getNode()->getOperand(1),
+ OffsetPtr, St->getPointerInfo(), St->isVolatile(),
+ St->isNonTemporal(),
+ std::min(4U, St->getAlignment() / 2));
+ }
+
+ if (StVal.getValueType() != MVT::i64 ||
StVal.getNode()->getOpcode() != ISD::EXTRACT_VECTOR_ELT)
return SDValue();