| /* -*- 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_LIR_x64_h |
| #define jit_x64_LIR_x64_h |
| |
| namespace js { |
| namespace jit { |
| |
| // Given an untyped input, guards on whether it's a specific type and returns |
| // the unboxed payload. |
| class LUnboxBase : public LInstructionHelper<1, 1, 0> |
| { |
| public: |
| explicit LUnboxBase(const LAllocation& input) { |
| setOperand(0, input); |
| } |
| |
| static const size_t Input = 0; |
| |
| MUnbox* mir() const { |
| return mir_->toUnbox(); |
| } |
| }; |
| |
| class LUnbox : public LUnboxBase { |
| public: |
| LIR_HEADER(Unbox) |
| |
| explicit LUnbox(const LAllocation& input) |
| : LUnboxBase(input) |
| { } |
| |
| const char* extraName() const { |
| return StringFromMIRType(mir()->type()); |
| } |
| }; |
| |
| class LUnboxFloatingPoint : public LUnboxBase { |
| MIRType type_; |
| |
| public: |
| LIR_HEADER(UnboxFloatingPoint) |
| |
| LUnboxFloatingPoint(const LAllocation& input, MIRType type) |
| : LUnboxBase(input), |
| type_(type) |
| { } |
| |
| MIRType type() const { |
| return type_; |
| } |
| const char* extraName() const { |
| return StringFromMIRType(type_); |
| } |
| }; |
| |
| // Convert a 32-bit unsigned integer to a double. |
| class LAsmJSUInt32ToDouble : public LInstructionHelper<1, 1, 0> |
| { |
| public: |
| LIR_HEADER(AsmJSUInt32ToDouble) |
| |
| explicit LAsmJSUInt32ToDouble(const LAllocation& input) { |
| setOperand(0, input); |
| } |
| }; |
| |
| // Convert a 32-bit unsigned integer to a float32. |
| class LAsmJSUInt32ToFloat32 : public LInstructionHelper<1, 1, 0> |
| { |
| public: |
| LIR_HEADER(AsmJSUInt32ToFloat32) |
| |
| explicit LAsmJSUInt32ToFloat32(const LAllocation& input) { |
| setOperand(0, input); |
| } |
| }; |
| |
| class LAsmJSLoadFuncPtr : public LInstructionHelper<1, 1, 1> |
| { |
| public: |
| LIR_HEADER(AsmJSLoadFuncPtr); |
| LAsmJSLoadFuncPtr(const LAllocation& index, const LDefinition& temp) { |
| setOperand(0, index); |
| setTemp(0, temp); |
| } |
| MAsmJSLoadFuncPtr* mir() const { |
| return mir_->toAsmJSLoadFuncPtr(); |
| } |
| const LAllocation* index() { |
| return getOperand(0); |
| } |
| const LDefinition* temp() { |
| return getTemp(0); |
| } |
| }; |
| |
| } // namespace jit |
| } // namespace js |
| |
| #endif /* jit_x64_LIR_x64_h */ |