111 lines
2.9 KiB
C++
111 lines
2.9 KiB
C++
/*
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* Copyright (C) 2015 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(ASSEMBLER)
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#include "FPRInfo.h"
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#include "GPRInfo.h"
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#include "MacroAssembler.h"
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#include "Reg.h"
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namespace JSC {
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template<typename T>
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class RegisterMap {
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public:
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T& operator[](Reg reg)
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{
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return m_map[reg.index()];
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}
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T& operator[](GPRReg gpr)
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{
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return m_map[MacroAssembler::registerIndex(gpr)];
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}
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T& operator[](FPRReg fpr)
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{
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return m_map[MacroAssembler::registerIndex(fpr)];
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}
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const T& operator[](Reg reg) const
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{
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return m_map[reg.index()];
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}
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const T& operator[](GPRReg gpr) const
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{
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return m_map[MacroAssembler::registerIndex(gpr)];
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}
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const T& operator[](FPRReg fpr) const
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{
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return m_map[MacroAssembler::registerIndex(fpr)];
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}
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private:
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std::array<T, MacroAssembler::totalNumberOfRegisters()> m_map { { } };
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};
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template<typename T>
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class GPRMap {
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public:
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T& operator[](GPRReg gpr)
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{
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return m_map[MacroAssembler::registerIndex(gpr)];
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}
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const T& operator[](GPRReg gpr) const
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{
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return m_map[MacroAssembler::registerIndex(gpr)];
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}
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private:
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std::array<T, MacroAssembler::numberOfRegisters()> m_map { { } };
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};
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template<typename T>
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class FPRMap {
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public:
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T& operator[](FPRReg fpr)
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{
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return m_map[MacroAssembler::fpRegisterIndex(fpr)];
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}
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const T& operator[](FPRReg fpr) const
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{
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return m_map[MacroAssembler::fpRegisterIndex(fpr)];
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}
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private:
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std::array<T, MacroAssembler::numberOfFPRegisters()> m_map { { } };
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};
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} // namespace JSC
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#endif // ENABLE(ASSEMBLER)
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