computeRegisterProperties();
+ // Condition Codes
+ setCondCodeAction(ISD::SETONE, MVT::f32, Expand);
+ setCondCodeAction(ISD::SETUEQ, MVT::f32, Expand);
+ setCondCodeAction(ISD::SETUGE, MVT::f32, Expand);
+ setCondCodeAction(ISD::SETUGT, MVT::f32, Expand);
+ setCondCodeAction(ISD::SETULE, MVT::f32, Expand);
+ setCondCodeAction(ISD::SETULT, MVT::f32, Expand);
+
+ setCondCodeAction(ISD::SETONE, MVT::f64, Expand);
+ setCondCodeAction(ISD::SETUEQ, MVT::f64, Expand);
+ setCondCodeAction(ISD::SETUGE, MVT::f64, Expand);
+ setCondCodeAction(ISD::SETUGT, MVT::f64, Expand);
+ setCondCodeAction(ISD::SETULE, MVT::f64, Expand);
+ setCondCodeAction(ISD::SETULT, MVT::f64, Expand);
+
setOperationAction(ISD::VECTOR_SHUFFLE, MVT::v8i32, Expand);
setOperationAction(ISD::VECTOR_SHUFFLE, MVT::v8f32, Expand);
setOperationAction(ISD::VECTOR_SHUFFLE, MVT::v16i32, Expand);
setOperationAction(ISD::ADD, MVT::i64, Legal);
setOperationAction(ISD::ADD, MVT::i32, Legal);
+ setOperationAction(ISD::ADDC, MVT::i32, Legal);
+ setOperationAction(ISD::ADDE, MVT::i32, Legal);
setOperationAction(ISD::BITCAST, MVT::i128, Legal);
// We need to custom lower vector stores from local memory
setOperationAction(ISD::LOAD, MVT::v2i32, Custom);
setOperationAction(ISD::LOAD, MVT::v4i32, Custom);
+ setOperationAction(ISD::LOAD, MVT::v8i32, Custom);
+ setOperationAction(ISD::LOAD, MVT::v16i32, Custom);
+
+ setOperationAction(ISD::STORE, MVT::v8i32, Custom);
+ setOperationAction(ISD::STORE, MVT::v16i32, Custom);
+
+ // We need to custom lower loads/stores from private memory
+ setOperationAction(ISD::LOAD, MVT::i32, Custom);
+ setOperationAction(ISD::LOAD, MVT::i64, Custom);
+ setOperationAction(ISD::LOAD, MVT::v2i32, Custom);
+ setOperationAction(ISD::LOAD, MVT::v4i32, Custom);
+
+ setOperationAction(ISD::STORE, MVT::i32, Custom);
+ setOperationAction(ISD::STORE, MVT::i64, Custom);
+ setOperationAction(ISD::STORE, MVT::i128, Custom);
+ setOperationAction(ISD::STORE, MVT::v2i32, Custom);
+ setOperationAction(ISD::STORE, MVT::v4i32, Custom);
+
setOperationAction(ISD::SELECT_CC, MVT::f32, Custom);
setOperationAction(ISD::SELECT_CC, MVT::i32, Custom);
setOperationAction(ISD::SETCC, MVT::v2i1, Expand);
setOperationAction(ISD::SETCC, MVT::v4i1, Expand);
+ setOperationAction(ISD::ANY_EXTEND, MVT::i64, Custom);
setOperationAction(ISD::SIGN_EXTEND, MVT::i64, Custom);
setOperationAction(ISD::ZERO_EXTEND, MVT::i64, Custom);
setOperationAction(ISD::INTRINSIC_VOID, MVT::Other, Custom);
setLoadExtAction(ISD::SEXTLOAD, MVT::i32, Expand);
+ setLoadExtAction(ISD::EXTLOAD, MVT::i32, Expand);
+ setLoadExtAction(ISD::SEXTLOAD, MVT::v8i16, Expand);
+ setLoadExtAction(ISD::SEXTLOAD, MVT::v16i16, Expand);
setLoadExtAction(ISD::EXTLOAD, MVT::f32, Expand);
setTruncStoreAction(MVT::f64, MVT::f32, Expand);
setTruncStoreAction(MVT::i64, MVT::i32, Expand);
+ setTruncStoreAction(MVT::i128, MVT::i64, Expand);
+ setTruncStoreAction(MVT::v8i32, MVT::v8i16, Expand);
+ setTruncStoreAction(MVT::v16i32, MVT::v16i16, Expand);
setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);
+ setOperationAction(ISD::FrameIndex, MVT::i32, Custom);
setTargetDAGCombine(ISD::SELECT_CC);
bool *IsFast) const {
// XXX: This depends on the address space and also we may want to revist
// the alignment values we specify in the DataLayout.
+ if (!VT.isSimple() || VT == MVT::Other)
+ return false;
return VT.bitsGT(MVT::i32);
}
bool SITargetLowering::shouldSplitVectorElementType(EVT VT) const {
- return VT.bitsLE(MVT::i8);
+ return VT.bitsLE(MVT::i16);
}
-SDValue SITargetLowering::LowerParameter(SelectionDAG &DAG, EVT VT,
+SDValue SITargetLowering::LowerParameter(SelectionDAG &DAG, EVT VT, EVT MemVT,
SDLoc DL, SDValue Chain,
unsigned Offset) const {
MachineRegisterInfo &MRI = DAG.getMachineFunction().getRegInfo();
PointerType *PtrTy = PointerType::get(VT.getTypeForEVT(*DAG.getContext()),
AMDGPUAS::CONSTANT_ADDRESS);
- EVT ArgVT = MVT::getIntegerVT(VT.getSizeInBits());
SDValue BasePtr = DAG.getCopyFromReg(Chain, DL,
MRI.getLiveInVirtReg(AMDGPU::SGPR0_SGPR1), MVT::i64);
SDValue Ptr = DAG.getNode(ISD::ADD, DL, MVT::i64, BasePtr,
DAG.getConstant(Offset, MVT::i64));
- return DAG.getLoad(VT, DL, Chain, Ptr,
- MachinePointerInfo(UndefValue::get(PtrTy)),
- false, false, false, ArgVT.getSizeInBits() >> 3);
+ return DAG.getExtLoad(ISD::SEXTLOAD, DL, VT, Chain, Ptr,
+ MachinePointerInfo(UndefValue::get(PtrTy)), MemVT,
+ false, false, MemVT.getSizeInBits() >> 3);
}
NewArg.PartOffset += NewArg.VT.getStoreSize();
}
- } else {
+ } else if (Info->ShaderType != ShaderType::COMPUTE) {
Splits.push_back(Arg);
}
}
MF.addLiveIn(AMDGPU::SGPR0_SGPR1, &AMDGPU::SReg_64RegClass);
}
+ if (Info->ShaderType == ShaderType::COMPUTE) {
+ getOriginalFunctionArgs(DAG, DAG.getMachineFunction().getFunction(), Ins,
+ Splits);
+ }
+
AnalyzeFormalArguments(CCInfo, Splits);
for (unsigned i = 0, e = Ins.size(), ArgIdx = 0; i != e; ++i) {
EVT VT = VA.getLocVT();
if (VA.isMemLoc()) {
+ VT = Ins[i].VT;
+ EVT MemVT = Splits[i].VT;
// The first 36 bytes of the input buffer contains information about
// thread group and global sizes.
- SDValue Arg = LowerParameter(DAG, VT, DL, DAG.getRoot(),
+ SDValue Arg = LowerParameter(DAG, VT, MemVT, DL, DAG.getRoot(),
36 + VA.getLocMemOffset());
InVals.push_back(Arg);
continue;
MI->eraseFromParent();
break;
}
+ case AMDGPU::SI_RegisterStorePseudo: {
+ MachineRegisterInfo &MRI = BB->getParent()->getRegInfo();
+ const SIInstrInfo *TII =
+ static_cast<const SIInstrInfo*>(getTargetMachine().getInstrInfo());
+ unsigned Reg = MRI.createVirtualRegister(&AMDGPU::SReg_64RegClass);
+ MachineInstrBuilder MIB =
+ BuildMI(*BB, I, MI->getDebugLoc(), TII->get(AMDGPU::SI_RegisterStore),
+ Reg);
+ for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i)
+ MIB.addOperand(MI->getOperand(i));
+
+ MI->eraseFromParent();
+ }
}
return BB;
}
SIMachineFunctionInfo *MFI = MF.getInfo<SIMachineFunctionInfo>();
switch (Op.getOpcode()) {
default: return AMDGPUTargetLowering::LowerOperation(Op, DAG);
+ case ISD::ADD: return LowerADD(Op, DAG);
case ISD::BRCOND: return LowerBRCOND(Op, DAG);
case ISD::LOAD: {
LoadSDNode *Load = dyn_cast<LoadSDNode>(Op);
- if (Load->getAddressSpace() == AMDGPUAS::LOCAL_ADDRESS &&
+ if ((Load->getAddressSpace() == AMDGPUAS::LOCAL_ADDRESS ||
+ Load->getAddressSpace() == AMDGPUAS::PRIVATE_ADDRESS) &&
Op.getValueType().isVector()) {
SDValue MergedValues[2] = {
SplitVectorLoad(Op, DAG),
};
return DAG.getMergeValues(MergedValues, 2, SDLoc(Op));
} else {
- return SDValue();
+ return LowerLOAD(Op, DAG);
}
}
+
case ISD::SELECT_CC: return LowerSELECT_CC(Op, DAG);
case ISD::SIGN_EXTEND: return LowerSIGN_EXTEND(Op, DAG);
+ case ISD::STORE: return LowerSTORE(Op, DAG);
+ case ISD::ANY_EXTEND: // Fall-through
case ISD::ZERO_EXTEND: return LowerZERO_EXTEND(Op, DAG);
case ISD::GlobalAddress: return LowerGlobalAddress(MFI, Op, DAG);
case ISD::INTRINSIC_WO_CHAIN: {
switch (IntrinsicID) {
default: return AMDGPUTargetLowering::LowerOperation(Op, DAG);
case Intrinsic::r600_read_ngroups_x:
- return LowerParameter(DAG, VT, DL, DAG.getEntryNode(), 0);
+ return LowerParameter(DAG, VT, VT, DL, DAG.getEntryNode(), 0);
case Intrinsic::r600_read_ngroups_y:
- return LowerParameter(DAG, VT, DL, DAG.getEntryNode(), 4);
+ return LowerParameter(DAG, VT, VT, DL, DAG.getEntryNode(), 4);
case Intrinsic::r600_read_ngroups_z:
- return LowerParameter(DAG, VT, DL, DAG.getEntryNode(), 8);
+ return LowerParameter(DAG, VT, VT, DL, DAG.getEntryNode(), 8);
case Intrinsic::r600_read_global_size_x:
- return LowerParameter(DAG, VT, DL, DAG.getEntryNode(), 12);
+ return LowerParameter(DAG, VT, VT, DL, DAG.getEntryNode(), 12);
case Intrinsic::r600_read_global_size_y:
- return LowerParameter(DAG, VT, DL, DAG.getEntryNode(), 16);
+ return LowerParameter(DAG, VT, VT, DL, DAG.getEntryNode(), 16);
case Intrinsic::r600_read_global_size_z:
- return LowerParameter(DAG, VT, DL, DAG.getEntryNode(), 20);
+ return LowerParameter(DAG, VT, VT, DL, DAG.getEntryNode(), 20);
case Intrinsic::r600_read_local_size_x:
- return LowerParameter(DAG, VT, DL, DAG.getEntryNode(), 24);
+ return LowerParameter(DAG, VT, VT, DL, DAG.getEntryNode(), 24);
case Intrinsic::r600_read_local_size_y:
- return LowerParameter(DAG, VT, DL, DAG.getEntryNode(), 28);
+ return LowerParameter(DAG, VT, VT, DL, DAG.getEntryNode(), 28);
case Intrinsic::r600_read_local_size_z:
- return LowerParameter(DAG, VT, DL, DAG.getEntryNode(), 32);
+ return LowerParameter(DAG, VT, VT, DL, DAG.getEntryNode(), 32);
case Intrinsic::r600_read_tgid_x:
return CreateLiveInRegister(DAG, &AMDGPU::SReg_32RegClass,
AMDGPU::SReg_32RegClass.getRegister(NumUserSGPRs + 0), VT);
return SDValue();
}
+SDValue SITargetLowering::LowerADD(SDValue Op,
+ SelectionDAG &DAG) const {
+ if (Op.getValueType() != MVT::i64)
+ return SDValue();
+
+ SDLoc DL(Op);
+ SDValue LHS = Op.getOperand(0);
+ SDValue RHS = Op.getOperand(1);
+
+ SDValue Zero = DAG.getConstant(0, MVT::i32);
+ SDValue One = DAG.getConstant(1, MVT::i32);
+
+ SDValue Lo0 = DAG.getNode(ISD::EXTRACT_ELEMENT, DL, MVT::i32, LHS, Zero);
+ SDValue Hi0 = DAG.getNode(ISD::EXTRACT_ELEMENT, DL, MVT::i32, LHS, One);
+
+ SDValue Lo1 = DAG.getNode(ISD::EXTRACT_ELEMENT, DL, MVT::i32, RHS, Zero);
+ SDValue Hi1 = DAG.getNode(ISD::EXTRACT_ELEMENT, DL, MVT::i32, RHS, One);
+
+ SDVTList VTList = DAG.getVTList(MVT::i32, MVT::Glue);
+
+ SDValue AddLo = DAG.getNode(ISD::ADDC, DL, VTList, Lo0, Lo1);
+ SDValue Carry = AddLo.getValue(1);
+ SDValue AddHi = DAG.getNode(ISD::ADDE, DL, VTList, Hi0, Hi1, Carry);
+
+ return DAG.getNode(ISD::BUILD_PAIR, DL, MVT::i64, AddLo, AddHi.getValue(0));
+}
+
/// \brief Helper function for LowerBRCOND
static SDNode *findUser(SDValue Value, unsigned Opcode) {
return Chain;
}
+SDValue SITargetLowering::LowerLOAD(SDValue Op, SelectionDAG &DAG) const {
+ SDLoc DL(Op);
+ LoadSDNode *Load = cast<LoadSDNode>(Op);
+
+ if (Load->getAddressSpace() != AMDGPUAS::PRIVATE_ADDRESS)
+ return SDValue();
+
+ SDValue Ptr = DAG.getNode(ISD::SRL, DL, MVT::i32, Load->getBasePtr(),
+ DAG.getConstant(2, MVT::i32));
+
+ SDValue Ret = DAG.getNode(AMDGPUISD::REGISTER_LOAD, DL, Op.getValueType(),
+ Load->getChain(), Ptr,
+ DAG.getTargetConstant(0, MVT::i32),
+ Op.getOperand(2));
+ SDValue MergedValues[2] = {
+ Ret,
+ Load->getChain()
+ };
+ return DAG.getMergeValues(MergedValues, 2, DL);
+
+}
+
SDValue SITargetLowering::ResourceDescriptorToi128(SDValue Op,
SelectionDAG &DAG) const {
return DAG.getNode(ISD::BUILD_PAIR, DL, VT, Op.getOperand(0), Hi);
}
+SDValue SITargetLowering::LowerSTORE(SDValue Op, SelectionDAG &DAG) const {
+ SDLoc DL(Op);
+ StoreSDNode *Store = cast<StoreSDNode>(Op);
+ EVT VT = Store->getMemoryVT();
+
+ SDValue Ret = AMDGPUTargetLowering::LowerSTORE(Op, DAG);
+ if (Ret.getNode())
+ return Ret;
+
+ if (VT.isVector() && VT.getVectorNumElements() >= 8)
+ return SplitVectorStore(Op, DAG);
+
+ if (Store->getAddressSpace() != AMDGPUAS::PRIVATE_ADDRESS)
+ return SDValue();
+
+ SDValue Ptr = DAG.getNode(ISD::SRL, DL, MVT::i32, Store->getBasePtr(),
+ DAG.getConstant(2, MVT::i32));
+ SDValue Chain = Store->getChain();
+ SmallVector<SDValue, 8> Values;
+
+ if (VT == MVT::i64) {
+ for (unsigned i = 0; i < 2; ++i) {
+ Values.push_back(DAG.getNode(ISD::EXTRACT_ELEMENT, DL, MVT::i32,
+ Store->getValue(), DAG.getConstant(i, MVT::i32)));
+ }
+ } else if (VT == MVT::i128) {
+ for (unsigned i = 0; i < 2; ++i) {
+ for (unsigned j = 0; j < 2; ++j) {
+ Values.push_back(DAG.getNode(ISD::EXTRACT_ELEMENT, DL, MVT::i32,
+ DAG.getNode(ISD::EXTRACT_ELEMENT, DL, MVT::i64,
+ Store->getValue(), DAG.getConstant(i, MVT::i32)),
+ DAG.getConstant(j, MVT::i32)));
+ }
+ }
+ } else {
+ Values.push_back(Store->getValue());
+ }
+
+ for (unsigned i = 0; i < Values.size(); ++i) {
+ SDValue PartPtr = DAG.getNode(ISD::ADD, DL, MVT::i32,
+ Ptr, DAG.getConstant(i, MVT::i32));
+ Chain = DAG.getNode(AMDGPUISD::REGISTER_STORE, DL, MVT::Other,
+ Chain, Values[i], PartPtr,
+ DAG.getTargetConstant(0, MVT::i32));
+ }
+ return Chain;
+}
+
+
SDValue SITargetLowering::LowerZERO_EXTEND(SDValue Op,
SelectionDAG &DAG) const {
EVT VT = Op.getValueType();
void SITargetLowering::adjustWritemask(MachineSDNode *&Node,
SelectionDAG &DAG) const {
SDNode *Users[4] = { };
- unsigned Writemask = 0, Lane = 0;
+ unsigned Lane = 0;
+ unsigned OldDmask = Node->getConstantOperandVal(0);
+ unsigned NewDmask = 0;
// Try to figure out the used register components
for (SDNode::use_iterator I = Node->use_begin(), E = Node->use_end();
I->getMachineOpcode() != TargetOpcode::EXTRACT_SUBREG)
return;
+ // Lane means which subreg of %VGPRa_VGPRb_VGPRc_VGPRd is used.
+ // Note that subregs are packed, i.e. Lane==0 is the first bit set
+ // in OldDmask, so it can be any of X,Y,Z,W; Lane==1 is the second bit
+ // set, etc.
Lane = SubIdx2Lane(I->getConstantOperandVal(1));
+ // Set which texture component corresponds to the lane.
+ unsigned Comp;
+ for (unsigned i = 0, Dmask = OldDmask; i <= Lane; i++) {
+ assert(Dmask);
+ Comp = countTrailingZeros(Dmask);
+ Dmask &= ~(1 << Comp);
+ }
+
// Abort if we have more than one user per component
if (Users[Lane])
return;
Users[Lane] = *I;
- Writemask |= 1 << Lane;
+ NewDmask |= 1 << Comp;
}
- // Abort if all components are used
- if (Writemask == 0xf)
+ // Abort if there's no change
+ if (NewDmask == OldDmask)
return;
// Adjust the writemask in the node
std::vector<SDValue> Ops;
- Ops.push_back(DAG.getTargetConstant(Writemask, MVT::i32));
+ Ops.push_back(DAG.getTargetConstant(NewDmask, MVT::i32));
for (unsigned i = 1, e = Node->getNumOperands(); i != e; ++i)
Ops.push_back(Node->getOperand(i));
Node = (MachineSDNode*)DAG.UpdateNodeOperands(Node, Ops.data(), Ops.size());
// If we only got one lane, replace it with a copy
- if (Writemask == (1U << Lane)) {
+ // (if NewDmask has only one bit set...)
+ if (NewDmask && (NewDmask & (NewDmask-1)) == 0) {
SDValue RC = DAG.getTargetConstant(AMDGPU::VReg_32RegClassID, MVT::i32);
SDNode *Copy = DAG.getMachineNode(TargetOpcode::COPY_TO_REGCLASS,
SDLoc(), Users[Lane]->getValueType(0),
projects / oota-llvm.git / blobdiff