Index: lib/Target/Hexagon/HexagonAsmPrinter.cpp =================================================================== --- lib/Target/Hexagon/HexagonAsmPrinter.cpp +++ lib/Target/Hexagon/HexagonAsmPrinter.cpp @@ -195,8 +195,8 @@ unsigned Size = BundleMIs.size(); assert((Size+IgnoreCount) == MI->getBundleSize() && "Corrupt Bundle!"); for (unsigned Index = 0; Index < Size; Index++) { - HexagonMCInst MCI; - MCI.setPacketStart(Index == 0); + HexagonMCInst MCI (BundleMIs[Index]->getOpcode()); + MCI.setPacketBegin(Index == 0); MCI.setPacketEnd(Index == (Size-1)); HexagonLowerToMC(BundleMIs[Index], MCI, *this); @@ -204,9 +204,9 @@ } } else { - HexagonMCInst MCI; + HexagonMCInst MCI(MI->getOpcode()); if (MI->getOpcode() == Hexagon::ENDLOOP0) { - MCI.setPacketStart(true); + MCI.setPacketBegin(true); MCI.setPacketEnd(true); } HexagonLowerToMC(MI, MCI, *this); Index: lib/Target/Hexagon/HexagonInstrInfo.td =================================================================== --- lib/Target/Hexagon/HexagonInstrInfo.td +++ lib/Target/Hexagon/HexagonInstrInfo.td @@ -92,6 +92,76 @@ def HexagonWrapperCombineRR : SDNode<"HexagonISD::WrapperCombineRR", SDTHexagonI64I32I32>; +let hasSideEffects = 0, hasNewValue = 1, InputType = "reg" in +class T_ALU32_3op MajOp, bits<3> MinOp, bit OpsRev, + bit IsComm> + : ALU32_rr<(outs IntRegs:$Rd), (ins IntRegs:$Rs, IntRegs:$Rt), + "$Rd = "#mnemonic#"($Rs, $Rt)", + [], "", ALU32_3op_tc_1_SLOT0123>, ImmRegRel, PredRel { + let isCommutable = IsComm; + let BaseOpcode = mnemonic#_rr; + let CextOpcode = mnemonic; + + bits<5> Rs; + bits<5> Rt; + bits<5> Rd; + + let IClass = 0b1111; + let Inst{27} = 0b0; + let Inst{26-24} = MajOp; + let Inst{23-21} = MinOp; + let Inst{20-16} = !if(OpsRev,Rt,Rs); + let Inst{12-8} = !if(OpsRev,Rs,Rt); + let Inst{4-0} = Rd; +} + +let hasSideEffects = 0, hasNewValue = 1 in +class T_ALU32_3op_pred MajOp, bits<3> MinOp, + bit OpsRev, bit PredNot, bit PredNew> + : ALU32_rr<(outs IntRegs:$Rd), (ins PredRegs:$Pu, IntRegs:$Rs, IntRegs:$Rt), + "if ("#!if(PredNot,"!","")#"$Pu"#!if(PredNew,".new","")#") "# + "$Rd = "#mnemonic#"($Rs, $Rt)", + [], "", ALU32_3op_tc_1_SLOT0123>, ImmRegRel, PredNewRel { + let isPredicated = 1; + let isPredicatedFalse = PredNot; + let isPredicatedNew = PredNew; + let BaseOpcode = mnemonic#_rr; + let CextOpcode = mnemonic; + + bits<2> Pu; + bits<5> Rs; + bits<5> Rt; + bits<5> Rd; + + let IClass = 0b1111; + let Inst{27} = 0b1; + let Inst{26-24} = MajOp; + let Inst{23-21} = MinOp; + let Inst{20-16} = !if(OpsRev,Rt,Rs); + let Inst{13} = PredNew; + let Inst{12-8} = !if(OpsRev,Rs,Rt); + let Inst{7} = PredNot; + let Inst{6-5} = Pu; + let Inst{4-0} = Rd; +} + +multiclass T_ALU32_3op_p MajOp, bits<3> MinOp, + bit OpsRev> { + def t : T_ALU32_3op_pred; + def f : T_ALU32_3op_pred; + def tnew : T_ALU32_3op_pred; + def fnew : T_ALU32_3op_pred; +} + +multiclass T_ALU32_3op_A2 MajOp, bits<3> MinOp, + bit OpsRev, bit IsComm> { + let isPredicable = 1 in + def A2_#NAME : T_ALU32_3op ; + defm A2_p#NAME : T_ALU32_3op_p; +} + +defm add : T_ALU32_3op_A2<"add", 0b011, 0b000, 0, 1>; + multiclass ALU32_Pbase { let isPredicatedNew = isPredNew in Index: lib/Target/Hexagon/HexagonMCInstLower.cpp =================================================================== --- lib/Target/Hexagon/HexagonMCInstLower.cpp +++ lib/Target/Hexagon/HexagonMCInstLower.cpp @@ -24,8 +24,8 @@ using namespace llvm; -static MCOperand GetSymbolRef(const MachineOperand& MO, const MCSymbol* Symbol, - HexagonAsmPrinter& Printer) { +static MCOperand GetSymbolRef(const MachineOperand &MO, const MCSymbol *Symbol, + HexagonAsmPrinter &Printer) { MCContext &MC = Printer.OutContext; const MCExpr *ME; @@ -39,10 +39,10 @@ } // Create an MCInst from a MachineInstr -void llvm::HexagonLowerToMC(const MachineInstr* MI, HexagonMCInst& MCI, - HexagonAsmPrinter& AP) { - MCI.setOpcode(MI->getOpcode()); - MCI.setDesc(MI->getDesc()); +void llvm::HexagonLowerToMC(const MachineInstr *MI, HexagonMCInst &MCI, + HexagonAsmPrinter &AP) { + assert(MCI.getOpcode() == MI->getOpcode() && + "MCI opcode should have been set on construction"); for (unsigned i = 0, e = MI->getNumOperands(); i < e; i++) { const MachineOperand &MO = MI->getOperand(i); @@ -54,7 +54,8 @@ llvm_unreachable("unknown operand type"); case MachineOperand::MO_Register: // Ignore all implicit register operands. - if (MO.isImplicit()) continue; + if (MO.isImplicit()) + continue; MCO = MCOperand::CreateReg(MO.getReg()); break; case MachineOperand::MO_FPImmediate: { @@ -68,16 +69,15 @@ MCO = MCOperand::CreateImm(MO.getImm()); break; case MachineOperand::MO_MachineBasicBlock: - MCO = MCOperand::CreateExpr - (MCSymbolRefExpr::Create(MO.getMBB()->getSymbol(), - AP.OutContext)); + MCO = MCOperand::CreateExpr( + MCSymbolRefExpr::Create(MO.getMBB()->getSymbol(), AP.OutContext)); break; case MachineOperand::MO_GlobalAddress: MCO = GetSymbolRef(MO, AP.getSymbol(MO.getGlobal()), AP); break; case MachineOperand::MO_ExternalSymbol: - MCO = GetSymbolRef(MO, AP.GetExternalSymbolSymbol(MO.getSymbolName()), - AP); + MCO = + GetSymbolRef(MO, AP.GetExternalSymbolSymbol(MO.getSymbolName()), AP); break; case MachineOperand::MO_JumpTableIndex: MCO = GetSymbolRef(MO, AP.GetJTISymbol(MO.getIndex()), AP); @@ -86,7 +86,8 @@ MCO = GetSymbolRef(MO, AP.GetCPISymbol(MO.getIndex()), AP); break; case MachineOperand::MO_BlockAddress: - MCO = GetSymbolRef(MO, AP.GetBlockAddressSymbol(MO.getBlockAddress()),AP); + MCO = + GetSymbolRef(MO, AP.GetBlockAddressSymbol(MO.getBlockAddress()), AP); break; } Index: lib/Target/Hexagon/InstPrinter/HexagonInstPrinter.cpp =================================================================== --- lib/Target/Hexagon/InstPrinter/HexagonInstPrinter.cpp +++ lib/Target/Hexagon/InstPrinter/HexagonInstPrinter.cpp @@ -52,14 +52,13 @@ // Ending a harware loop is different from ending an regular packet. assert(MI->isPacketEnd() && "Loop-end must also end the packet"); - if (MI->isPacketStart()) { + if (MI->isPacketBegin()) { // There must be a packet to end a loop. // FIXME: when shuffling is always run, this shouldn't be needed. - HexagonMCInst Nop; + HexagonMCInst Nop (Hexagon::NOP); StringRef NoAnnot; - Nop.setOpcode (Hexagon::NOP); - Nop.setPacketStart (MI->isPacketStart()); + Nop.setPacketBegin (MI->isPacketBegin()); printInst (&Nop, O, NoAnnot); } @@ -71,7 +70,7 @@ } else { // Prefix the insn opening the packet. - if (MI->isPacketStart()) + if (MI->isPacketBegin()) O << PacketPadding << startPacket << '\n'; printInstruction(MI, O); Index: lib/Target/Hexagon/MCTargetDesc/HexagonMCCodeEmitter.cpp =================================================================== --- lib/Target/Hexagon/MCTargetDesc/HexagonMCCodeEmitter.cpp +++ lib/Target/Hexagon/MCTargetDesc/HexagonMCCodeEmitter.cpp @@ -38,7 +38,7 @@ uint32_t getPacketBits(HexagonMCInst const &HMI) { unsigned const ParseFieldOffset = 14; ParseField Field = HMI.isPacketEnd() ? ParseField::end : ParseField::last0; - return static_cast (Field) << ParseFieldOffset; + return static_cast(Field) << ParseFieldOffset; } void emitLittleEndian(uint64_t Binary, raw_ostream &OS) { OS << static_cast((Binary >> 0x00) & 0xff); @@ -57,8 +57,9 @@ SmallVectorImpl &Fixups, MCSubtargetInfo const &STI) const { HexagonMCInst const &HMB = static_cast(MI); - uint64_t Binary = getBinaryCodeForInstr(HMB, Fixups, STI) | getPacketBits(HMB); - assert(HMB.getDesc().getSize() == 4 && "All instructions should be 32bit"); + uint64_t Binary = + getBinaryCodeForInstr(HMB, Fixups, STI) | getPacketBits(HMB); + Binary |= getPacketBits(HMB); emitLittleEndian(Binary, OS); ++MCNumEmitted; } Index: lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.h =================================================================== --- lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.h +++ lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.h @@ -14,87 +14,55 @@ #ifndef LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONMCINST_H #define LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONMCINST_H -#include "HexagonTargetMachine.h" #include "llvm/MC/MCInst.h" namespace llvm { - class MCOperand; +class MCInstrDesc; +class MCOperand; +class HexagonTargetMachine; - class HexagonMCInst: public MCInst { - // MCID is set during instruction lowering. - // It is needed in order to access TSFlags for - // use in checking MC instruction properties. - const MCInstrDesc *MCID; +class HexagonMCInst : public MCInst { +public: + explicit HexagonMCInst(unsigned op); - // Packet start and end markers - unsigned packetStart: 1, packetEnd: 1; + /// 10.6 Instruction Packets + bool isPacketBegin() const; + /// \brief Is this marked as last in packet. + bool isPacketEnd() const; + void setPacketBegin(bool Y); + /// \brief Mark this as last in packet. + void setPacketEnd(bool Y); + /// \brief Return the slots used. + unsigned getUnits(HexagonTargetMachine const &TM) const; + bool isConstExtended() const; + /// \brief Return constant extended operand number. + unsigned short getCExtOpNum(void) const; + /// \brief Return whether this is a new-value consumer. + bool isNewValue() const; + /// \brief Return whether this is a legal new-value producer. + bool hasNewValue() const; + /// \brief Return the operand that consumes or produces a new value. + MCOperand const &getNewValue() const; + /// \brief Return number of bits in the constant extended operand. + unsigned getBitCount(void) const; - public: - explicit HexagonMCInst(): - MCInst(), MCID(nullptr), packetStart(0), packetEnd(0) {}; - HexagonMCInst(const MCInstrDesc& mcid): - MCInst(), MCID(&mcid), packetStart(0), packetEnd(0) {}; - - bool isPacketStart() const { return (packetStart); }; - bool isPacketEnd() const { return (packetEnd); }; - void setPacketStart(bool Y) { packetStart = Y; }; - void setPacketEnd(bool Y) { packetEnd = Y; }; - void resetPacket() { setPacketStart(false); setPacketEnd(false); }; - - // Return the slots used by the insn. - unsigned getUnits(const HexagonTargetMachine* TM) const; - - // Return the Hexagon ISA class for the insn. - unsigned getType() const; - - void setDesc(const MCInstrDesc& mcid) { MCID = &mcid; }; - const MCInstrDesc& getDesc(void) const { return *MCID; }; - - // Return whether the insn is an actual insn. - bool isCanon() const; - - // Return whether the insn is a prefix. - bool isPrefix() const; - - // Return whether the insn is solo, i.e., cannot be in a packet. - bool isSolo() const; - - // Return whether the instruction needs to be constant extended. - bool isConstExtended() const; - - // Return constant extended operand number. - unsigned short getCExtOpNum(void) const; - - // Return whether the insn is a new-value consumer. - bool isNewValue() const; - - // Return whether the instruction is a legal new-value producer. - bool hasNewValue() const; - - // Return the operand that consumes or produces a new value. - const MCOperand& getNewValue() const; - - // Return number of bits in the constant extended operand. - unsigned getBitCount(void) const; - - private: - // Return whether the instruction must be always extended. - bool isExtended() const; - - // Return true if the insn may be extended based on the operand value. - bool isExtendable() const; - - // Return true if the operand can be constant extended. - bool isOperandExtended(const unsigned short OperandNum) const; - - // Return the min value that a constant extendable operand can have - // without being extended. - int getMinValue() const; - - // Return the max value that a constant extendable operand can have - // without being extended. - int getMaxValue() const; - }; +private: + /// \brief Return whether this must be always extended. + bool isExtended() const; + /// \brief Return true if this may be extended based on the operand value. + bool isExtendable() const; + /// \brief Return if the operand can be constant extended. + bool isOperandExtended(unsigned short const OperandNum) const; + /// \brief Return the min value that a constant extendable operand can have + /// without being extended. + int getMinValue() const; + /// \brief Return the max value that a constant extendable operand can have + /// without being extended. + int getMaxValue() const; + bool packetBegin; + bool packetEnd; + MCInstrDesc const &MCID; +}; } #endif Index: lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.cpp =================================================================== --- lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.cpp +++ lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.cpp @@ -12,68 +12,52 @@ //===----------------------------------------------------------------------===// #include "HexagonInstrInfo.h" +#include "HexagonTargetMachine.h" #include "MCTargetDesc/HexagonBaseInfo.h" #include "MCTargetDesc/HexagonMCInst.h" #include "MCTargetDesc/HexagonMCTargetDesc.h" +#include "llvm/Support/TargetRegistry.h" using namespace llvm; -// Return the slots used by the insn. -unsigned HexagonMCInst::getUnits(const HexagonTargetMachine* TM) const { - const HexagonInstrInfo *QII = TM->getSubtargetImpl()->getInstrInfo(); - const InstrItineraryData *II = - TM->getSubtargetImpl()->getInstrItineraryData(); - const InstrStage* - IS = II->beginStage(QII->get(this->getOpcode()).getSchedClass()); +HexagonMCInst::HexagonMCInst(unsigned op) + : packetBegin(true), packetEnd(true), + MCID(llvm::TheHexagonTarget.createMCInstrInfo()->get(op)) { + assert(MCID.getSize() == 4 && "All instructions should be 32bit"); + setOpcode(op); +}; - return (IS->getUnits()); -} +bool HexagonMCInst::isPacketBegin() const { return packetBegin; } +bool HexagonMCInst::isPacketEnd() const { return packetEnd; } +void HexagonMCInst::setPacketEnd(bool Y) { packetEnd = Y; } +void HexagonMCInst::setPacketBegin(bool Y) { packetBegin = Y; } -// Return the Hexagon ISA class for the insn. -unsigned HexagonMCInst::getType() const { - const uint64_t F = MCID->TSFlags; +unsigned HexagonMCInst::getUnits(HexagonTargetMachine const &TM) const { + const HexagonInstrInfo *QII = TM.getSubtargetImpl()->getInstrInfo(); + const InstrItineraryData *II = TM.getSubtargetImpl()->getInstrItineraryData(); + const InstrStage *IS = + II->beginStage(QII->get(this->getOpcode()).getSchedClass()); - return ((F >> HexagonII::TypePos) & HexagonII::TypeMask); + return (IS->getUnits()); } -// Return whether the insn is an actual insn. -bool HexagonMCInst::isCanon() const { - return (!MCID->isPseudo() && - !isPrefix() && - getType() != HexagonII::TypeENDLOOP); -} - -// Return whether the insn is a prefix. -bool HexagonMCInst::isPrefix() const { - return (getType() == HexagonII::TypePREFIX); -} - -// Return whether the insn is solo, i.e., cannot be in a packet. -bool HexagonMCInst::isSolo() const { - const uint64_t F = MCID->TSFlags; - return ((F >> HexagonII::SoloPos) & HexagonII::SoloMask); -} - -// Return whether the insn is a new-value consumer. bool HexagonMCInst::isNewValue() const { - const uint64_t F = MCID->TSFlags; + const uint64_t F = MCID.TSFlags; return ((F >> HexagonII::NewValuePos) & HexagonII::NewValueMask); } -// Return whether the instruction is a legal new-value producer. bool HexagonMCInst::hasNewValue() const { - const uint64_t F = MCID->TSFlags; + const uint64_t F = MCID.TSFlags; return ((F >> HexagonII::hasNewValuePos) & HexagonII::hasNewValueMask); } -// Return the operand that consumes or produces a new value. -const MCOperand& HexagonMCInst::getNewValue() const { - const uint64_t F = MCID->TSFlags; - const unsigned O = (F >> HexagonII::NewValueOpPos) & - HexagonII::NewValueOpMask; - const MCOperand& MCO = getOperand(O); +MCOperand const &HexagonMCInst::getNewValue() const { + const uint64_t F = MCID.TSFlags; + const unsigned O = + (F >> HexagonII::NewValueOpPos) & HexagonII::NewValueOpMask; + const MCOperand &MCO = getOperand(O); - assert ((isNewValue() || hasNewValue()) && MCO.isReg()); + assert((isNewValue() || hasNewValue()) && MCO.isReg()); return (MCO); } @@ -84,7 +68,6 @@ // 2) For immediate extended operands, return true only if the value is // out-of-range. // 3) For global address, always return true. - bool HexagonMCInst::isConstExtended(void) const { if (isExtended()) return true; @@ -93,9 +76,9 @@ return false; short ExtOpNum = getCExtOpNum(); - int MinValue = getMinValue(); - int MaxValue = getMaxValue(); - const MCOperand& MO = getOperand(ExtOpNum); + int MinValue = getMinValue(); + int MaxValue = getMaxValue(); + const MCOperand &MO = getOperand(ExtOpNum); // We could be using an instruction with an extendable immediate and shoehorn // a global address into it. If it is a global address it will be constant @@ -114,62 +97,51 @@ return (ImmValue < MinValue || ImmValue > MaxValue); } -// Return whether the instruction must be always extended. bool HexagonMCInst::isExtended(void) const { - const uint64_t F = MCID->TSFlags; + const uint64_t F = MCID.TSFlags; return (F >> HexagonII::ExtendedPos) & HexagonII::ExtendedMask; } -// Return true if the instruction may be extended based on the operand value. bool HexagonMCInst::isExtendable(void) const { - const uint64_t F = MCID->TSFlags; + const uint64_t F = MCID.TSFlags; return (F >> HexagonII::ExtendablePos) & HexagonII::ExtendableMask; } -// Return number of bits in the constant extended operand. unsigned HexagonMCInst::getBitCount(void) const { - const uint64_t F = MCID->TSFlags; + const uint64_t F = MCID.TSFlags; return ((F >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask); } -// Return constant extended operand number. unsigned short HexagonMCInst::getCExtOpNum(void) const { - const uint64_t F = MCID->TSFlags; + const uint64_t F = MCID.TSFlags; return ((F >> HexagonII::ExtendableOpPos) & HexagonII::ExtendableOpMask); } -// Return whether the operand can be constant extended. bool HexagonMCInst::isOperandExtended(const unsigned short OperandNum) const { - const uint64_t F = MCID->TSFlags; - return ((F >> HexagonII::ExtendableOpPos) & HexagonII::ExtendableOpMask) - == OperandNum; + const uint64_t F = MCID.TSFlags; + return ((F >> HexagonII::ExtendableOpPos) & HexagonII::ExtendableOpMask) == + OperandNum; } -// Return the min value that a constant extendable operand can have -// without being extended. int HexagonMCInst::getMinValue(void) const { - const uint64_t F = MCID->TSFlags; - unsigned isSigned = (F >> HexagonII::ExtentSignedPos) - & HexagonII::ExtentSignedMask; - unsigned bits = (F >> HexagonII::ExtentBitsPos) - & HexagonII::ExtentBitsMask; + const uint64_t F = MCID.TSFlags; + unsigned isSigned = + (F >> HexagonII::ExtentSignedPos) & HexagonII::ExtentSignedMask; + unsigned bits = (F >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask; - if (isSigned) // if value is signed + if (isSigned) return -1U << (bits - 1); else return 0; } -// Return the max value that a constant extendable operand can have -// without being extended. int HexagonMCInst::getMaxValue(void) const { - const uint64_t F = MCID->TSFlags; - unsigned isSigned = (F >> HexagonII::ExtentSignedPos) - & HexagonII::ExtentSignedMask; - unsigned bits = (F >> HexagonII::ExtentBitsPos) - & HexagonII::ExtentBitsMask; + const uint64_t F = MCID.TSFlags; + unsigned isSigned = + (F >> HexagonII::ExtentSignedPos) & HexagonII::ExtentSignedMask; + unsigned bits = (F >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask; - if (isSigned) // if value is signed + if (isSigned) return ~(-1U << (bits - 1)); else return ~(-1U << bits); Index: lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.h =================================================================== --- lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.h +++ lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.h @@ -15,6 +15,8 @@ #define LLVM_LIB_TARGET_HEXAGON_MCTARGETDESC_HEXAGONMCTARGETDESC_H namespace llvm { +struct InstrItinerary; +struct InstrStage; class MCCodeEmitter; class MCContext; class MCInstrInfo; @@ -24,6 +26,9 @@ extern Target TheHexagonTarget; +extern const InstrStage HexagonStages[]; +extern const InstrItinerary HexagonItinerariesV4[]; + MCCodeEmitter *createHexagonMCCodeEmitter(const MCInstrInfo &MCII, const MCRegisterInfo &MRI, const MCSubtargetInfo &MST, Index: lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.cpp =================================================================== --- lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.cpp +++ lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.cpp @@ -34,7 +34,7 @@ #define GET_REGINFO_MC_DESC #include "HexagonGenRegisterInfo.inc" -static MCInstrInfo *createHexagonMCInstrInfo() { +static llvm::MCInstrInfo *createHexagonMCInstrInfo() { MCInstrInfo *X = new MCInstrInfo(); InitHexagonMCInstrInfo(X); return X; Index: unittests/MC/CMakeLists.txt =================================================================== --- unittests/MC/CMakeLists.txt +++ unittests/MC/CMakeLists.txt @@ -7,7 +7,7 @@ StringTableBuilderTest.cpp YAMLTest.cpp ) - + foreach(t ${LLVM_TARGETS_TO_BUILD}) if (IS_DIRECTORY "${CMAKE_CURRENT_LIST_DIR}/${t}") add_subdirectory(${t}) Index: unittests/MC/Hexagon/HexagonMCCodeEmitterTest.cpp =================================================================== --- unittests/MC/Hexagon/HexagonMCCodeEmitterTest.cpp +++ unittests/MC/Hexagon/HexagonMCCodeEmitterTest.cpp @@ -46,8 +46,28 @@ llvm::MCCodeEmitter *Emitter; }; TestEmitter Emitter; +llvm::SmallVector EmptyFixups; } TEST(HexagonMCCodeEmitter, emitter_creation) { ASSERT_NE(nullptr, Emitter.Emitter); } + +/// \brief Instruction encoding with different register numbers +TEST(HexagonMCCodeEmitter, add_Rd_Rs_Rt) { + std::string str; + { + llvm::raw_string_ostream stream(str); + llvm::HexagonMCInst inst(llvm::Hexagon::A2_add); + inst.addOperand(llvm::MCOperand::CreateReg(llvm::Hexagon::R17)); + inst.addOperand(llvm::MCOperand::CreateReg(llvm::Hexagon::R21)); + inst.addOperand(llvm::MCOperand::CreateReg(llvm::Hexagon::R31)); + Emitter.Emitter->EncodeInstruction(inst, stream, EmptyFixups, + *Emitter.Subtarget); + } + ASSERT_EQ(4, str.size()); + EXPECT_EQ(0x11, static_cast(str[0])); + EXPECT_EQ(0xdf, static_cast(str[1])); + EXPECT_EQ(0x15, static_cast(str[2])); + EXPECT_EQ(0xf3, static_cast(str[3])); +} \ No newline at end of file