/* -*- 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_riscv64_Lowering_riscv64_h
#define jit_riscv64_Lowering_riscv64_h
#include "jit/shared/Lowering-shared.h"
namespace js {
namespace jit {
class LIRGeneratorRiscv64 :
public LIRGeneratorShared {
protected:
LIRGeneratorRiscv64(MIRGenerator* gen, MIRGraph& graph, LIRGraph& lirGraph)
: LIRGeneratorShared(gen, graph, lirGraph) {}
LTableSwitch* newLTableSwitch(
const LAllocation& in,
const LDefinition& inputCopy);
LTableSwitchV* newLTableSwitchV(
const LBoxAllocation& in);
void lowerForShift(LInstructionHelper<1, 2, 0>* ins, MDefinition* mir,
MDefinition* lhs, MDefinition* rhs);
template <
class LInstr>
void lowerForShiftInt64(LInstr* ins, MDefinition* mir, MDefinition* lhs,
MDefinition* rhs);
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);
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);
// Returns a box allocation. reg2 is ignored on 64-bit platforms.
LBoxAllocation useBoxFixed(MDefinition* mir,
Register reg1,
Register reg2,
bool useAtStart =
false);
LAllocation useByteOpRegister(MDefinition* mir);
LAllocation useByteOpRegisterAtStart(MDefinition* mir);
LAllocation useByteOpRegisterOrNonDoubleConstant(MDefinition* mir);
LDefinition tempByteOpRegister();
LDefinition tempToUnbox();
bool needTempForPostBarrier() {
return true; }
void lowerUntypedPhiInput(MPhi* phi, uint32_t inputPosition, LBlock* block,
size_t lirIndex);
void lowerInt64PhiInput(MPhi*, uint32_t, LBlock*, size_t);
void defineInt64Phi(MPhi*, size_t);
void lowerNegI(MInstruction* ins, MDefinition* input);
void lowerNegI64(MInstruction* ins, MDefinition* input);
void lowerMulI(MMul* mul, MDefinition* lhs, MDefinition* rhs);
void lowerDivI(MDiv* div);
void lowerDivI64(MDiv* div);
void lowerModI(MMod* mod);
void lowerModI64(MMod* mod);
void lowerUDiv(MDiv* div);
void lowerUDivI64(MDiv* div);
void lowerUMod(MMod* mod);
void lowerUModI64(MMod* mod);
void lowerUrshD(MUrsh* mir);
void lowerPowOfTwoI(MPow* mir);
void lowerTruncateDToInt32(MTruncateToInt32* ins);
void lowerTruncateFToInt32(MTruncateToInt32* ins);
void lowerBuiltinInt64ToFloatingPoint(MBuiltinInt64ToFloatingPoint* ins);
void lowerWasmSelectI(MWasmSelect* select);
void lowerWasmSelectI64(MWasmSelect* select);
void lowerWasmBuiltinTruncateToInt64(MWasmBuiltinTruncateToInt64* ins);
void lowerWasmBuiltinTruncateToInt32(MWasmBuiltinTruncateToInt32* ins);
void lowerWasmBuiltinDivI64(MWasmBuiltinDivI64* div);
void lowerWasmBuiltinModI64(MWasmBuiltinModI64* mod);
void lowerAtomicLoad64(MLoadUnboxedScalar* ins);
void lowerAtomicStore64(MStoreUnboxedScalar* ins);
};
typedef LIRGeneratorRiscv64 LIRGeneratorSpecific;
}
// namespace jit
}
// namespace js
#endif /* jit_riscv64_Lowering_riscv64_h */
