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