| /* -*- 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_arm_Lowering_arm_h |
| #define jit_arm_Lowering_arm_h |
| |
| #include "jit/shared/Lowering-shared.h" |
| |
| namespace js { |
| namespace jit { |
| |
| class LIRGeneratorARM : public LIRGeneratorShared |
| { |
| public: |
| LIRGeneratorARM(MIRGenerator* gen, MIRGraph& graph, LIRGraph& lirGraph) |
| : LIRGeneratorShared(gen, graph, lirGraph) |
| { } |
| |
| protected: |
| // Adds a box input to an instruction, setting operand |n| to the type and |
| // |n+1| to the payload. |
| void useBoxFixed(LInstruction* lir, size_t n, MDefinition* mir, Register reg1, Register reg2, |
| bool useAtStart = false); |
| |
| // x86 has constraints on what registers can be formatted for 1-byte |
| // stores and loads; on ARM all registers are okay. |
| LAllocation useByteOpRegister(MDefinition* mir); |
| LAllocation useByteOpRegisterOrNonDoubleConstant(MDefinition* mir); |
| LDefinition tempByteOpRegister(); |
| |
| inline LDefinition tempToUnbox() { |
| return LDefinition::BogusTemp(); |
| } |
| |
| bool needTempForPostBarrier() { return false; } |
| |
| void lowerUntypedPhiInput(MPhi* phi, uint32_t inputPosition, LBlock* block, size_t lirIndex); |
| void defineUntypedPhi(MPhi* phi, size_t lirIndex); |
| void lowerForShift(LInstructionHelper<1, 2, 0>* ins, MDefinition* mir, MDefinition* lhs, |
| MDefinition* rhs); |
| void lowerUrshD(MUrsh* mir); |
| |
| void lowerForALU(LInstructionHelper<1, 1, 0>* ins, MDefinition* mir, |
| MDefinition* input); |
| void lowerForALU(LInstructionHelper<1, 2, 0>* ins, MDefinition* mir, |
| MDefinition* lhs, MDefinition* rhs); |
| |
| void lowerForFPU(LInstructionHelper<1, 1, 0>* ins, MDefinition* mir, |
| MDefinition* src); |
| template<size_t Temps> |
| void lowerForFPU(LInstructionHelper<1, 2, Temps>* ins, MDefinition* mir, |
| MDefinition* lhs, MDefinition* rhs); |
| |
| void lowerForCompIx4(LSimdBinaryCompIx4* ins, MSimdBinaryComp* mir, |
| MDefinition* lhs, MDefinition* rhs) |
| { |
| return lowerForFPU(ins, mir, lhs, rhs); |
| } |
| void lowerForCompFx4(LSimdBinaryCompFx4* ins, MSimdBinaryComp* mir, |
| MDefinition* lhs, MDefinition* rhs) |
| { |
| return lowerForFPU(ins, mir, lhs, rhs); |
| } |
| |
| void lowerForBitAndAndBranch(LBitAndAndBranch* baab, MInstruction* mir, |
| MDefinition* lhs, MDefinition* rhs); |
| void lowerTruncateDToInt32(MTruncateToInt32* ins); |
| void lowerTruncateFToInt32(MTruncateToInt32* ins); |
| void lowerDivI(MDiv* div); |
| void lowerModI(MMod* mod); |
| void lowerMulI(MMul* mul, MDefinition* lhs, MDefinition* rhs); |
| void lowerUDiv(MDiv* div); |
| void lowerUMod(MMod* mod); |
| void visitPowHalf(MPowHalf* ins); |
| void visitAsmJSNeg(MAsmJSNeg* ins); |
| |
| LTableSwitch* newLTableSwitch(const LAllocation& in, const LDefinition& inputCopy, |
| MTableSwitch* ins); |
| LTableSwitchV* newLTableSwitchV(MTableSwitch* ins); |
| |
| public: |
| void visitBox(MBox* box); |
| void visitUnbox(MUnbox* unbox); |
| void visitReturn(MReturn* ret); |
| void lowerPhi(MPhi* phi); |
| void visitGuardShape(MGuardShape* ins); |
| void visitGuardObjectGroup(MGuardObjectGroup* ins); |
| void visitAsmJSUnsignedToDouble(MAsmJSUnsignedToDouble* ins); |
| void visitAsmJSUnsignedToFloat32(MAsmJSUnsignedToFloat32* ins); |
| void visitAsmJSLoadHeap(MAsmJSLoadHeap* ins); |
| void visitAsmJSStoreHeap(MAsmJSStoreHeap* ins); |
| void visitAsmJSLoadFuncPtr(MAsmJSLoadFuncPtr* ins); |
| void visitAsmJSCompareExchangeHeap(MAsmJSCompareExchangeHeap* ins); |
| void visitAsmJSAtomicExchangeHeap(MAsmJSAtomicExchangeHeap* ins); |
| void visitAsmJSAtomicBinopHeap(MAsmJSAtomicBinopHeap* ins); |
| void visitStoreTypedArrayElementStatic(MStoreTypedArrayElementStatic* ins); |
| void visitSimdBinaryArith(MSimdBinaryArith* ins); |
| void visitSimdSelect(MSimdSelect* ins); |
| void visitSimdSplatX4(MSimdSplatX4* ins); |
| void visitSimdValueX4(MSimdValueX4* ins); |
| void visitCompareExchangeTypedArrayElement(MCompareExchangeTypedArrayElement* ins); |
| void visitAtomicExchangeTypedArrayElement(MAtomicExchangeTypedArrayElement* ins); |
| void visitAtomicTypedArrayElementBinop(MAtomicTypedArrayElementBinop* ins); |
| void visitSubstr(MSubstr* ins); |
| void visitRandom(MRandom* ins); |
| }; |
| |
| typedef LIRGeneratorARM LIRGeneratorSpecific; |
| |
| } // namespace jit |
| } // namespace js |
| |
| #endif /* jit_arm_Lowering_arm_h */ |