SDValue& Offset);
bool SelectADDRVTX_READ(SDValue Addr, SDValue &Base, SDValue &Offset);
bool SelectADDRIndirect(SDValue Addr, SDValue &Base, SDValue &Offset);
- bool SelectMUBUFAddr64(SDValue Addr, SDValue &Ptr, SDValue &Offset,
- SDValue &ImmOffset) const;
+ bool isDSOffsetLegal(const SDValue &Base, unsigned Offset,
+ unsigned OffsetBits) const;
+ bool SelectDS1Addr1Offset(SDValue Ptr, SDValue &Base, SDValue &Offset) const;
+ bool SelectDS64Bit4ByteAligned(SDValue Ptr, SDValue &Base, SDValue &Offset0,
+ SDValue &Offset1) const;
+ void SelectMUBUF(SDValue Addr, SDValue &SRsrc, SDValue &VAddr,
+ SDValue &SOffset, SDValue &Offset, SDValue &Offen,
+ SDValue &Idxen, SDValue &Addr64, SDValue &GLC, SDValue &SLC,
+ SDValue &TFE) const;
+ bool SelectMUBUFAddr64(SDValue Addr, SDValue &SRsrc, SDValue &VAddr,
+ SDValue &Offset) const;
bool SelectMUBUFScratch(SDValue Addr, SDValue &RSrc, SDValue &VAddr,
SDValue &SOffset, SDValue &ImmOffset) const;
- bool SelectMUBUFAddr32(SDValue Addr, SDValue &SRsrc, SDValue &VAddr,
- SDValue &SOffset, SDValue &Offset, SDValue &Offen,
- SDValue &Idxen, SDValue &GLC, SDValue &SLC,
+ bool SelectMUBUFOffset(SDValue Addr, SDValue &SRsrc, SDValue &SOffset,
+ SDValue &Offset, SDValue &GLC, SDValue &SLC,
SDValue &TFE) const;
bool SelectVOP3Mods(SDValue In, SDValue &Src, SDValue &SrcMods) const;
bool SelectVOP3Mods0(SDValue In, SDValue &Src, SDValue &SrcMods,
switch (N->getMachineOpcode()) {
default: {
- const MCInstrDesc &Desc = TM.getInstrInfo()->get(N->getMachineOpcode());
+ const MCInstrDesc &Desc =
+ TM.getSubtargetImpl()->getInstrInfo()->get(N->getMachineOpcode());
unsigned OpIdx = Desc.getNumDefs() + OpNo;
if (OpIdx >= Desc.getNumOperands())
return nullptr;
if (RegClass == -1)
return nullptr;
- return TM.getRegisterInfo()->getRegClass(RegClass);
+ return TM.getSubtargetImpl()->getRegisterInfo()->getRegClass(RegClass);
}
case AMDGPU::REG_SEQUENCE: {
unsigned RCID = cast<ConstantSDNode>(N->getOperand(0))->getZExtValue();
- const TargetRegisterClass *SuperRC = TM.getRegisterInfo()->getRegClass(RCID);
+ const TargetRegisterClass *SuperRC =
+ TM.getSubtargetImpl()->getRegisterInfo()->getRegClass(RCID);
SDValue SubRegOp = N->getOperand(OpNo + 1);
unsigned SubRegIdx = cast<ConstantSDNode>(SubRegOp)->getZExtValue();
- return TM.getRegisterInfo()->getSubClassWithSubReg(SuperRC, SubRegIdx);
+ return TM.getSubtargetImpl()->getRegisterInfo()->getSubClassWithSubReg(
+ SuperRC, SubRegIdx);
}
}
}
case AMDGPUISD::BUILD_VERTICAL_VECTOR:
case ISD::BUILD_VECTOR: {
unsigned RegClassID;
- const AMDGPURegisterInfo *TRI =
- static_cast<const AMDGPURegisterInfo*>(TM.getRegisterInfo());
- const SIRegisterInfo *SIRI =
- static_cast<const SIRegisterInfo*>(TM.getRegisterInfo());
+ const AMDGPURegisterInfo *TRI = static_cast<const AMDGPURegisterInfo *>(
+ TM.getSubtargetImpl()->getRegisterInfo());
+ const SIRegisterInfo *SIRI = static_cast<const SIRegisterInfo *>(
+ TM.getSubtargetImpl()->getRegisterInfo());
EVT VT = N->getValueType(0);
unsigned NumVectorElts = VT.getVectorNumElements();
EVT EltVT = VT.getVectorElementType();
SDValue AddLoArgs[] = { SDValue(Lo0, 0), SDValue(Lo1, 0) };
- unsigned Opc = IsAdd ? AMDGPU::S_ADD_I32 : AMDGPU::S_SUB_I32;
+ unsigned Opc = IsAdd ? AMDGPU::S_ADD_U32 : AMDGPU::S_SUB_U32;
unsigned CarryOpc = IsAdd ? AMDGPU::S_ADDC_U32 : AMDGPU::S_SUBB_U32;
if (!isCFDepth0()) {
return CurDAG->SelectNodeTo(N, Opc, VT, MVT::i1, Ops);
}
+bool AMDGPUDAGToDAGISel::isDSOffsetLegal(const SDValue &Base, unsigned Offset,
+ unsigned OffsetBits) const {
+ const AMDGPUSubtarget &ST = TM.getSubtarget<AMDGPUSubtarget>();
+ if ((OffsetBits == 16 && !isUInt<16>(Offset)) ||
+ (OffsetBits == 8 && !isUInt<8>(Offset)))
+ return false;
+
+ if (ST.getGeneration() >= AMDGPUSubtarget::SEA_ISLANDS)
+ return true;
+
+ // On Southern Islands instruction with a negative base value and an offset
+ // don't seem to work.
+ return CurDAG->SignBitIsZero(Base);
+}
+
+bool AMDGPUDAGToDAGISel::SelectDS1Addr1Offset(SDValue Addr, SDValue &Base,
+ SDValue &Offset) const {
+ if (CurDAG->isBaseWithConstantOffset(Addr)) {
+ SDValue N0 = Addr.getOperand(0);
+ SDValue N1 = Addr.getOperand(1);
+ ConstantSDNode *C1 = cast<ConstantSDNode>(N1);
+ if (isDSOffsetLegal(N0, C1->getSExtValue(), 16)) {
+ // (add n0, c0)
+ Base = N0;
+ Offset = N1;
+ return true;
+ }
+ }
+
+ // default case
+ Base = Addr;
+ Offset = CurDAG->getTargetConstant(0, MVT::i16);
+ return true;
+}
+
+bool AMDGPUDAGToDAGISel::SelectDS64Bit4ByteAligned(SDValue Addr, SDValue &Base,
+ SDValue &Offset0,
+ SDValue &Offset1) const {
+ if (CurDAG->isBaseWithConstantOffset(Addr)) {
+ SDValue N0 = Addr.getOperand(0);
+ SDValue N1 = Addr.getOperand(1);
+ ConstantSDNode *C1 = cast<ConstantSDNode>(N1);
+ unsigned DWordOffset0 = C1->getZExtValue() / 4;
+ unsigned DWordOffset1 = DWordOffset0 + 1;
+ // (add n0, c0)
+ if (isDSOffsetLegal(N0, DWordOffset1, 8)) {
+ Base = N0;
+ Offset0 = CurDAG->getTargetConstant(DWordOffset0, MVT::i8);
+ Offset1 = CurDAG->getTargetConstant(DWordOffset1, MVT::i8);
+ return true;
+ }
+ }
+
+ // default case
+ Base = Addr;
+ Offset0 = CurDAG->getTargetConstant(0, MVT::i8);
+ Offset1 = CurDAG->getTargetConstant(1, MVT::i8);
+ return true;
+}
+
static SDValue wrapAddr64Rsrc(SelectionDAG *DAG, SDLoc DL, SDValue Ptr) {
return SDValue(DAG->getMachineNode(AMDGPU::SI_ADDR64_RSRC, DL, MVT::v4i32,
Ptr), 0);
return isUInt<12>(Imm->getZExtValue());
}
-bool AMDGPUDAGToDAGISel::SelectMUBUFAddr64(SDValue Addr, SDValue &Ptr,
- SDValue &Offset,
- SDValue &ImmOffset) const {
+void AMDGPUDAGToDAGISel::SelectMUBUF(SDValue Addr, SDValue &Ptr,
+ SDValue &VAddr, SDValue &SOffset,
+ SDValue &Offset, SDValue &Offen,
+ SDValue &Idxen, SDValue &Addr64,
+ SDValue &GLC, SDValue &SLC,
+ SDValue &TFE) const {
SDLoc DL(Addr);
+ GLC = CurDAG->getTargetConstant(0, MVT::i1);
+ SLC = CurDAG->getTargetConstant(0, MVT::i1);
+ TFE = CurDAG->getTargetConstant(0, MVT::i1);
+
+ Idxen = CurDAG->getTargetConstant(0, MVT::i1);
+ Offen = CurDAG->getTargetConstant(0, MVT::i1);
+ Addr64 = CurDAG->getTargetConstant(0, MVT::i1);
+ SOffset = CurDAG->getTargetConstant(0, MVT::i32);
+
if (CurDAG->isBaseWithConstantOffset(Addr)) {
SDValue N0 = Addr.getOperand(0);
SDValue N1 = Addr.getOperand(1);
if (isLegalMUBUFImmOffset(C1)) {
if (N0.getOpcode() == ISD::ADD) {
- // (add (add N2, N3), C1)
+ // (add (add N2, N3), C1) -> addr64
SDValue N2 = N0.getOperand(0);
SDValue N3 = N0.getOperand(1);
- Ptr = wrapAddr64Rsrc(CurDAG, DL, N2);
- Offset = N3;
- ImmOffset = CurDAG->getTargetConstant(C1->getZExtValue(), MVT::i16);
- return true;
+ Addr64 = CurDAG->getTargetConstant(1, MVT::i1);
+ Ptr = N2;
+ VAddr = N3;
+ Offset = CurDAG->getTargetConstant(C1->getZExtValue(), MVT::i16);
+ return;
}
- // (add N0, C1)
- Ptr = wrapAddr64Rsrc(CurDAG, DL, CurDAG->getTargetConstant(0, MVT::i64));;
- Offset = N0;
- ImmOffset = CurDAG->getTargetConstant(C1->getZExtValue(), MVT::i16);
- return true;
+ // (add N0, C1) -> offset
+ VAddr = CurDAG->getTargetConstant(0, MVT::i32);
+ Ptr = N0;
+ Offset = CurDAG->getTargetConstant(C1->getZExtValue(), MVT::i16);
+ return;
}
}
if (Addr.getOpcode() == ISD::ADD) {
- // (add N0, N1)
+ // (add N0, N1) -> addr64
SDValue N0 = Addr.getOperand(0);
SDValue N1 = Addr.getOperand(1);
- Ptr = wrapAddr64Rsrc(CurDAG, DL, N0);
- Offset = N1;
- ImmOffset = CurDAG->getTargetConstant(0, MVT::i16);
- return true;
+ Addr64 = CurDAG->getTargetConstant(1, MVT::i1);
+ Ptr = N0;
+ VAddr = N1;
+ Offset = CurDAG->getTargetConstant(0, MVT::i16);
+ return;
}
- // default case
- Ptr = wrapAddr64Rsrc(CurDAG, DL, CurDAG->getConstant(0, MVT::i64));
- Offset = Addr;
- ImmOffset = CurDAG->getTargetConstant(0, MVT::i16);
- return true;
+ // default case -> offset
+ VAddr = CurDAG->getTargetConstant(0, MVT::i32);
+ Ptr = Addr;
+ Offset = CurDAG->getTargetConstant(0, MVT::i16);
+
}
-/// \brief Return a resource descriptor with the 'Add TID' bit enabled
-/// The TID (Thread ID) is multipled by the stride value (bits [61:48]
-/// of the resource descriptor) to create an offset, which is added to the
-/// resource ponter.
-static SDValue buildScratchRSRC(SelectionDAG *DAG, SDLoc DL, SDValue Ptr) {
+bool AMDGPUDAGToDAGISel::SelectMUBUFAddr64(SDValue Addr, SDValue &SRsrc,
+ SDValue &VAddr,
+ SDValue &Offset) const {
+ SDValue Ptr, SOffset, Offen, Idxen, Addr64, GLC, SLC, TFE;
- uint64_t Rsrc = AMDGPU::RSRC_DATA_FORMAT | AMDGPU::RSRC_TID_ENABLE |
- 0xffffffff;
+ SelectMUBUF(Addr, Ptr, VAddr, SOffset, Offset, Offen, Idxen, Addr64,
+ GLC, SLC, TFE);
+
+ ConstantSDNode *C = cast<ConstantSDNode>(Addr64);
+ if (C->getSExtValue()) {
+ SDLoc DL(Addr);
+ SRsrc = wrapAddr64Rsrc(CurDAG, DL, Ptr);
+ return true;
+ }
+ return false;
+}
+
+static SDValue buildRSRC(SelectionDAG *DAG, SDLoc DL, SDValue Ptr,
+ uint32_t RsrcDword1, uint64_t RsrcDword2And3) {
SDValue PtrLo = DAG->getTargetExtractSubreg(AMDGPU::sub0, DL, MVT::i32, Ptr);
SDValue PtrHi = DAG->getTargetExtractSubreg(AMDGPU::sub1, DL, MVT::i32, Ptr);
+ if (RsrcDword1)
+ PtrHi = SDValue(DAG->getMachineNode(AMDGPU::S_OR_B32, DL, MVT::i32, PtrHi,
+ DAG->getConstant(RsrcDword1, MVT::i32)), 0);
+
SDValue DataLo = DAG->getTargetConstant(
- Rsrc & APInt::getAllOnesValue(32).getZExtValue(), MVT::i32);
- SDValue DataHi = DAG->getTargetConstant(Rsrc >> 32, MVT::i32);
+ RsrcDword2And3 & APInt::getAllOnesValue(32).getZExtValue(), MVT::i32);
+ SDValue DataHi = DAG->getTargetConstant(RsrcDword2And3 >> 32, MVT::i32);
const SDValue Ops[] = { PtrLo, PtrHi, DataLo, DataHi };
return SDValue(DAG->getMachineNode(AMDGPU::SI_BUFFER_RSRC, DL,
MVT::v4i32, Ops), 0);
}
+/// \brief Return a resource descriptor with the 'Add TID' bit enabled
+/// The TID (Thread ID) is multipled by the stride value (bits [61:48]
+/// of the resource descriptor) to create an offset, which is added to the
+/// resource ponter.
+static SDValue buildScratchRSRC(SelectionDAG *DAG, SDLoc DL, SDValue Ptr) {
+
+ uint64_t Rsrc = AMDGPU::RSRC_DATA_FORMAT | AMDGPU::RSRC_TID_ENABLE |
+ 0xffffffff; // Size
+
+ return buildRSRC(DAG, DL, Ptr, 0, Rsrc);
+}
+
bool AMDGPUDAGToDAGISel::SelectMUBUFScratch(SDValue Addr, SDValue &Rsrc,
SDValue &VAddr, SDValue &SOffset,
SDValue &ImmOffset) const {
SDLoc DL(Addr);
MachineFunction &MF = CurDAG->getMachineFunction();
- const SIRegisterInfo *TRI = static_cast<const SIRegisterInfo*>(MF.getTarget().getRegisterInfo());
+ const SIRegisterInfo *TRI =
+ static_cast<const SIRegisterInfo *>(MF.getSubtarget().getRegisterInfo());
MachineRegisterInfo &MRI = MF.getRegInfo();
-
+ const SITargetLowering& Lowering =
+ *static_cast<const SITargetLowering*>(getTargetLowering());
unsigned ScratchPtrReg =
TRI->getPreloadedValue(MF, SIRegisterInfo::SCRATCH_PTR);
unsigned ScratchOffsetReg =
TRI->getPreloadedValue(MF, SIRegisterInfo::SCRATCH_WAVE_OFFSET);
+ Lowering.CreateLiveInRegister(*CurDAG, &AMDGPU::SReg_32RegClass,
+ ScratchOffsetReg, MVT::i32);
- Rsrc = buildScratchRSRC(CurDAG, DL, CurDAG->getCopyFromReg(CurDAG->getEntryNode(), DL, MRI.getLiveInVirtReg(ScratchPtrReg), MVT::i64));
+ Rsrc = buildScratchRSRC(CurDAG, DL,
+ CurDAG->getCopyFromReg(CurDAG->getEntryNode(), DL,
+ MRI.getLiveInVirtReg(ScratchPtrReg), MVT::i64));
SOffset = CurDAG->getCopyFromReg(CurDAG->getEntryNode(), DL,
MRI.getLiveInVirtReg(ScratchOffsetReg), MVT::i32);
return true;
}
-bool AMDGPUDAGToDAGISel::SelectMUBUFAddr32(SDValue Addr, SDValue &SRsrc,
- SDValue &VAddr, SDValue &SOffset,
- SDValue &Offset, SDValue &Offen,
- SDValue &Idxen, SDValue &GLC,
- SDValue &SLC, SDValue &TFE) const {
-
- GLC = CurDAG->getTargetConstant(0, MVT::i1);
- SLC = CurDAG->getTargetConstant(0, MVT::i1);
- TFE = CurDAG->getTargetConstant(0, MVT::i1);
-
- Idxen = CurDAG->getTargetConstant(0, MVT::i1);
- Offen = CurDAG->getTargetConstant(1, MVT::i1);
-
- return SelectMUBUFScratch(Addr, SRsrc, VAddr, SOffset, Offset);
+bool AMDGPUDAGToDAGISel::SelectMUBUFOffset(SDValue Addr, SDValue &SRsrc,
+ SDValue &SOffset, SDValue &Offset,
+ SDValue &GLC, SDValue &SLC,
+ SDValue &TFE) const {
+ SDValue Ptr, VAddr, Offen, Idxen, Addr64;
+
+ SelectMUBUF(Addr, Ptr, VAddr, SOffset, Offset, Offen, Idxen, Addr64,
+ GLC, SLC, TFE);
+
+ if (!cast<ConstantSDNode>(Offen)->getSExtValue() &&
+ !cast<ConstantSDNode>(Idxen)->getSExtValue() &&
+ !cast<ConstantSDNode>(Addr64)->getSExtValue()) {
+ uint64_t Rsrc = AMDGPU::RSRC_DATA_FORMAT |
+ APInt::getAllOnesValue(32).getZExtValue(); // Size
+ SDLoc DL(Addr);
+ SRsrc = buildRSRC(CurDAG, DL, Ptr, 0, Rsrc);
+ return true;
+ }
+ return false;
}
bool AMDGPUDAGToDAGISel::SelectVOP3Mods(SDValue In, SDValue &Src,
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