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/* -*- 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:
// Returns a box allocation with type set to reg1 and payload set to reg2.
LBoxAllocation useBoxFixed(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 useByteOpRegisterAtStart(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 lowerInt64PhiInput(MPhi* phi, uint32_t inputPosition, LBlock* block, size_t lirIndex);
void defineInt64Phi(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 lowerForALUInt64(LInstructionHelper<INT64_PIECES, 2 * INT64_PIECES, 0>* ins,
MDefinition* mir, MDefinition* lhs, MDefinition* rhs);
void lowerForMulInt64(LMulI64* ins, MMul* mir, MDefinition* lhs, MDefinition* rhs);
template<size_t Temps>
void lowerForShiftInt64(LInstructionHelper<INT64_PIECES, INT64_PIECES + 1, Temps>* 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 lowerDivI64(MDiv* div);
void lowerModI64(MMod* mod);
void lowerUDivI64(MDiv* div);
void lowerUModI64(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 visitWasmSelect(MWasmSelect* ins);
void visitWasmUnsignedToDouble(MWasmUnsignedToDouble* ins);
void visitWasmUnsignedToFloat32(MWasmUnsignedToFloat32* ins);
void visitWasmLoad(MWasmLoad* ins);
void visitWasmStore(MWasmStore* ins);
void visitAsmJSLoadHeap(MAsmJSLoadHeap* ins);
void visitAsmJSStoreHeap(MAsmJSStoreHeap* ins);
void visitAsmJSCompareExchangeHeap(MAsmJSCompareExchangeHeap* ins);
void visitAsmJSAtomicExchangeHeap(MAsmJSAtomicExchangeHeap* ins);
void visitAsmJSAtomicBinopHeap(MAsmJSAtomicBinopHeap* ins);
void visitStoreTypedArrayElementStatic(MStoreTypedArrayElementStatic* ins);
void visitCompareExchangeTypedArrayElement(MCompareExchangeTypedArrayElement* ins);
void visitAtomicExchangeTypedArrayElement(MAtomicExchangeTypedArrayElement* ins);
void visitAtomicTypedArrayElementBinop(MAtomicTypedArrayElementBinop* ins);
void visitSubstr(MSubstr* ins);
void visitRandom(MRandom* ins);
void visitWasmTruncateToInt64(MWasmTruncateToInt64* ins);
void visitInt64ToFloatingPoint(MInt64ToFloatingPoint* ins);
void visitCopySign(MCopySign* ins);
void visitExtendInt32ToInt64(MExtendInt32ToInt64* ins);
};
typedef LIRGeneratorARM LIRGeneratorSpecific;
} // namespace jit
} // namespace js
#endif /* jit_arm_Lowering_arm_h */
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