Lowering-mips-shared.h

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-

 * vim: set ts=8 sts=2 et sw=2 tw=80:

 * 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) {}

  // 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 lowerPowOfTwoI(MPow* 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, INT64_PIECES, 0>* ins,

                        MDefinition* mir, MDefinition* input);

  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 lowerForCompareI64AndBranch(MTest* mir, MCompare* comp, JSOp op,

                                   MDefinition* left, MDefinition* right,

                                   MBasicBlock* ifTrue, MBasicBlock* ifFalse);

  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 lowerForBitAndAndBranch(LBitAndAndBranch* baab, MInstruction* mir,

                               MDefinition* lhs, MDefinition* rhs);

  void lowerWasmBuiltinTruncateToInt32(MWasmBuiltinTruncateToInt32* ins);

  void lowerDivI(MDiv* div);

  void lowerModI(MMod* mod);

  void lowerNegI(MInstruction* ins, MDefinition* input);

  void lowerNegI64(MInstruction* ins, MDefinition* input);

  void lowerMulI(MMul* mul, MDefinition* lhs, MDefinition* rhs);

  void lowerUDiv(MDiv* div);

  void lowerUMod(MMod* mod);

  void lowerWasmSelectI(MWasmSelect* select);

  void lowerWasmSelectI64(MWasmSelect* select);

  void lowerBigIntLsh(MBigIntLsh* ins);

  void lowerBigIntRsh(MBigIntRsh* ins);

  LTableSwitch* newLTableSwitch(const LAllocation& in,

                                const LDefinition& inputCopy,

                                MTableSwitch* ins);

  LTableSwitchV* newLTableSwitchV(MTableSwitch* ins);

  void lowerPhi(MPhi* phi);

};

}  // namespace jit

}  // namespace js

#endif /* jit_mips_shared_Lowering_mips_shared_h */