/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- * vim: set ts=8 sts=4 et sw=4 tw=99: * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef jit_mips_shared_LIR_mips_shared_h #define jit_mips_shared_LIR_mips_shared_h namespace js { namespace jit { // Convert a 32-bit unsigned integer to a double. class LWasmUint32ToDouble : public LInstructionHelper<1, 1, 0> { public: LIR_HEADER(WasmUint32ToDouble) LWasmUint32ToDouble(const LAllocation& input) { setOperand(0, input); } }; // Convert a 32-bit unsigned integer to a float32. class LWasmUint32ToFloat32 : public LInstructionHelper<1, 1, 0> { public: LIR_HEADER(WasmUint32ToFloat32) LWasmUint32ToFloat32(const LAllocation& input) { setOperand(0, input); } }; class LDivI : public LBinaryMath<1> { public: LIR_HEADER(DivI); LDivI(const LAllocation& lhs, const LAllocation& rhs, const LDefinition& temp) { setOperand(0, lhs); setOperand(1, rhs); setTemp(0, temp); } MDiv* mir() const { return mir_->toDiv(); } }; class LDivPowTwoI : public LInstructionHelper<1, 1, 1> { const int32_t shift_; public: LIR_HEADER(DivPowTwoI) LDivPowTwoI(const LAllocation& lhs, int32_t shift, const LDefinition& temp) : shift_(shift) { setOperand(0, lhs); setTemp(0, temp); } const LAllocation* numerator() { return getOperand(0); } int32_t shift() { return shift_; } MDiv* mir() const { return mir_->toDiv(); } }; class LModI : public LBinaryMath<1> { public: LIR_HEADER(ModI); LModI(const LAllocation& lhs, const LAllocation& rhs, const LDefinition& callTemp) { setOperand(0, lhs); setOperand(1, rhs); setTemp(0, callTemp); } const LDefinition* callTemp() { return getTemp(0); } MMod* mir() const { return mir_->toMod(); } }; class LModPowTwoI : public LInstructionHelper<1, 1, 0> { const int32_t shift_; public: LIR_HEADER(ModPowTwoI); int32_t shift() { return shift_; } LModPowTwoI(const LAllocation& lhs, int32_t shift) : shift_(shift) { setOperand(0, lhs); } MMod* mir() const { return mir_->toMod(); } }; class LModMaskI : public LInstructionHelper<1, 1, 2> { const int32_t shift_; public: LIR_HEADER(ModMaskI); LModMaskI(const LAllocation& lhs, const LDefinition& temp0, const LDefinition& temp1, int32_t shift) : shift_(shift) { setOperand(0, lhs); setTemp(0, temp0); setTemp(1, temp1); } int32_t shift() const { return shift_; } MMod* mir() const { return mir_->toMod(); } }; // Takes a tableswitch with an integer to decide class LTableSwitch : public LInstructionHelper<0, 1, 2> { public: LIR_HEADER(TableSwitch); LTableSwitch(const LAllocation& in, const LDefinition& inputCopy, const LDefinition& jumpTablePointer, MTableSwitch* ins) { setOperand(0, in); setTemp(0, inputCopy); setTemp(1, jumpTablePointer); setMir(ins); } MTableSwitch* mir() const { return mir_->toTableSwitch(); } const LAllocation* index() { return getOperand(0); } const LDefinition* tempInt() { return getTemp(0); } // This is added to share the same CodeGenerator prefixes. const LDefinition* tempPointer() { return getTemp(1); } }; // Takes a tableswitch with an integer to decide class LTableSwitchV : public LInstructionHelper<0, BOX_PIECES, 3> { public: LIR_HEADER(TableSwitchV); LTableSwitchV(const LBoxAllocation& input, const LDefinition& inputCopy, const LDefinition& floatCopy, const LDefinition& jumpTablePointer, MTableSwitch* ins) { setBoxOperand(InputValue, input); setTemp(0, inputCopy); setTemp(1, floatCopy); setTemp(2, jumpTablePointer); setMir(ins); } MTableSwitch* mir() const { return mir_->toTableSwitch(); } static const size_t InputValue = 0; const LDefinition* tempInt() { return getTemp(0); } const LDefinition* tempFloat() { return getTemp(1); } const LDefinition* tempPointer() { return getTemp(2); } }; class LGuardShape : public LInstructionHelper<0, 1, 1> { public: LIR_HEADER(GuardShape); LGuardShape(const LAllocation& in, const LDefinition& temp) { setOperand(0, in); setTemp(0, temp); } const MGuardShape* mir() const { return mir_->toGuardShape(); } const LDefinition* tempInt() { return getTemp(0); } }; class LGuardObjectGroup : public LInstructionHelper<0, 1, 1> { public: LIR_HEADER(GuardObjectGroup); LGuardObjectGroup(const LAllocation& in, const LDefinition& temp) { setOperand(0, in); setTemp(0, temp); } const MGuardObjectGroup* mir() const { return mir_->toGuardObjectGroup(); } const LDefinition* tempInt() { return getTemp(0); } }; class LMulI : public LBinaryMath<0> { public: LIR_HEADER(MulI); MMul* mir() { return mir_->toMul(); } }; class LUDivOrMod : public LBinaryMath<0> { public: LIR_HEADER(UDivOrMod); MBinaryArithInstruction* mir() const { MOZ_ASSERT(mir_->isDiv() || mir_->isMod()); return static_cast<MBinaryArithInstruction*>(mir_); } bool canBeDivideByZero() const { if (mir_->isMod()) return mir_->toMod()->canBeDivideByZero(); return mir_->toDiv()->canBeDivideByZero(); } bool trapOnError() const { if (mir_->isMod()) return mir_->toMod()->trapOnError(); return mir_->toDiv()->trapOnError(); } wasm::TrapOffset trapOffset() const { MOZ_ASSERT(mir_->isDiv() || mir_->isMod()); if (mir_->isMod()) return mir_->toMod()->trapOffset(); return mir_->toDiv()->trapOffset(); } }; class LInt64ToFloatingPoint : public LInstructionHelper<1, INT64_PIECES, 0> { public: LIR_HEADER(Int64ToFloatingPoint); explicit LInt64ToFloatingPoint(const LInt64Allocation& in) { setInt64Operand(0, in); } MInt64ToFloatingPoint* mir() const { return mir_->toInt64ToFloatingPoint(); } }; namespace details { // Base class for the int64 and non-int64 variants. template<size_t NumDefs> class LWasmUnalignedLoadBase : public details::LWasmLoadBase<NumDefs, 2> { public: typedef LWasmLoadBase<NumDefs, 2> Base; explicit LWasmUnalignedLoadBase(const LAllocation& ptr, const LDefinition& valueHelper) : Base(ptr) { Base::setTemp(0, LDefinition::BogusTemp()); Base::setTemp(1, valueHelper); } const LAllocation* ptr() { return Base::getOperand(0); } const LDefinition* ptrCopy() { return Base::getTemp(0); } }; } // namespace details class LWasmUnalignedLoad : public details::LWasmUnalignedLoadBase<1> { public: explicit LWasmUnalignedLoad(const LAllocation& ptr, const LDefinition& valueHelper) : LWasmUnalignedLoadBase(ptr, valueHelper) {} LIR_HEADER(WasmUnalignedLoad); }; class LWasmUnalignedLoadI64 : public details::LWasmUnalignedLoadBase<INT64_PIECES> { public: explicit LWasmUnalignedLoadI64(const LAllocation& ptr, const LDefinition& valueHelper) : LWasmUnalignedLoadBase(ptr, valueHelper) {} LIR_HEADER(WasmUnalignedLoadI64); }; namespace details { // Base class for the int64 and non-int64 variants. template<size_t NumOps> class LWasmUnalignedStoreBase : public LInstructionHelper<0, NumOps, 2> { public: typedef LInstructionHelper<0, NumOps, 2> Base; static const size_t PtrIndex = 0; static const size_t ValueIndex = 1; LWasmUnalignedStoreBase(const LAllocation& ptr, const LDefinition& valueHelper) { Base::setOperand(0, ptr); Base::setTemp(0, LDefinition::BogusTemp()); Base::setTemp(1, valueHelper); } MWasmStore* mir() const { return Base::mir_->toWasmStore(); } const LAllocation* ptr() { return Base::getOperand(PtrIndex); } const LDefinition* ptrCopy() { return Base::getTemp(0); } }; } // namespace details class LWasmUnalignedStore : public details::LWasmUnalignedStoreBase<2> { public: LIR_HEADER(WasmUnalignedStore); LWasmUnalignedStore(const LAllocation& ptr, const LAllocation& value, const LDefinition& valueHelper) : LWasmUnalignedStoreBase(ptr, valueHelper) { setOperand(1, value); } const LAllocation* value() { return Base::getOperand(ValueIndex); } }; class LWasmUnalignedStoreI64 : public details::LWasmUnalignedStoreBase<1 + INT64_PIECES> { public: LIR_HEADER(WasmUnalignedStoreI64); LWasmUnalignedStoreI64(const LAllocation& ptr, const LInt64Allocation& value, const LDefinition& valueHelper) : LWasmUnalignedStoreBase(ptr, valueHelper) { setInt64Operand(1, value); } const LInt64Allocation value() { return getInt64Operand(ValueIndex); } }; } // namespace jit } // namespace js #endif /* jit_mips_shared_LIR_mips_shared_h */