Mypal/js/src/jit/mips-shared/Lowering-mips-shared.h
2019-03-11 13:26:37 +03:00

109 lines
4.6 KiB
C++

/* -*- 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_Lowering_mips_shared_h
#define jit_mips_shared_Lowering_mips_shared_h
#include "jit/shared/Lowering-shared.h"
namespace js {
namespace jit {
class LIRGeneratorMIPSShared : public LIRGeneratorShared
{
protected:
LIRGeneratorMIPSShared(MIRGenerator* gen, MIRGraph& graph, LIRGraph& lirGraph)
: LIRGeneratorShared(gen, graph, lirGraph)
{ }
protected:
// x86 has constraints on what registers can be formatted for 1-byte
// stores and loads; on MIPS all registers are okay.
LAllocation useByteOpRegister(MDefinition* mir);
LAllocation useByteOpRegisterAtStart(MDefinition* mir);
LAllocation useByteOpRegisterOrNonDoubleConstant(MDefinition* mir);
LDefinition tempByteOpRegister();
bool needTempForPostBarrier() { return false; }
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 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);
void visitWasmLoad(MWasmLoad* ins);
void visitWasmStore(MWasmStore* ins);
void visitWasmSelect(MWasmSelect* ins);
LTableSwitch* newLTableSwitch(const LAllocation& in, const LDefinition& inputCopy,
MTableSwitch* ins);
LTableSwitchV* newLTableSwitchV(MTableSwitch* ins);
public:
void lowerPhi(MPhi* phi);
void visitGuardShape(MGuardShape* ins);
void visitGuardObjectGroup(MGuardObjectGroup* ins);
void visitWasmUnsignedToDouble(MWasmUnsignedToDouble* ins);
void visitWasmUnsignedToFloat32(MWasmUnsignedToFloat32* 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 visitWasmTruncateToInt64(MWasmTruncateToInt64* ins);
void visitInt64ToFloatingPoint(MInt64ToFloatingPoint* ins);
void visitCopySign(MCopySign* ins);
void visitExtendInt32ToInt64(MExtendInt32ToInt64* ins);
};
} // namespace jit
} // namespace js
#endif /* jit_mips_shared_Lowering_mips_shared_h */