| /* -*- 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_x64_Lowering_x64_h |
| #define jit_x64_Lowering_x64_h |
| |
| #include "jit/x86-shared/Lowering-x86-shared.h" |
| |
| namespace js { |
| namespace jit { |
| |
| class LIRGeneratorX64 : public LIRGeneratorX86Shared |
| { |
| public: |
| LIRGeneratorX64(MIRGenerator* gen, MIRGraph& graph, LIRGraph& lirGraph) |
| : LIRGeneratorX86Shared(gen, graph, lirGraph) |
| { } |
| |
| protected: |
| void lowerUntypedPhiInput(MPhi* phi, uint32_t inputPosition, LBlock* block, size_t lirIndex); |
| void defineUntypedPhi(MPhi* phi, size_t lirIndex); |
| |
| // Adds a use at operand |n| of a value-typed insturction. |
| void useBoxFixed(LInstruction* lir, size_t n, MDefinition* mir, Register reg1, Register, bool useAtStart = false); |
| |
| // x86 has constraints on what registers can be formatted for 1-byte |
| // stores and loads; on x64 all registers are okay. |
| LAllocation useByteOpRegister(MDefinition* mir); |
| LAllocation useByteOpRegisterOrNonDoubleConstant(MDefinition* mir); |
| LDefinition tempByteOpRegister(); |
| |
| LDefinition tempToUnbox(); |
| |
| bool needTempForPostBarrier() { return false; } |
| |
| public: |
| void visitBox(MBox* box); |
| void visitUnbox(MUnbox* unbox); |
| void visitReturn(MReturn* ret); |
| void visitCompareExchangeTypedArrayElement(MCompareExchangeTypedArrayElement* ins); |
| void visitAtomicExchangeTypedArrayElement(MAtomicExchangeTypedArrayElement* ins); |
| void visitAtomicTypedArrayElementBinop(MAtomicTypedArrayElementBinop* 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 visitSubstr(MSubstr* ins); |
| void visitRandom(MRandom* ins); |
| }; |
| |
| typedef LIRGeneratorX64 LIRGeneratorSpecific; |
| |
| } // namespace jit |
| } // namespace js |
| |
| #endif /* jit_x64_Lowering_x64_h */ |