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AirTmpMap.h
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98 lines (82 loc) · 2.98 KB
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/*
* Copyright (C) 2017 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.
*/
#pragma once
#if ENABLE(B3_JIT)
#include "AirCode.h"
#include "AirTmp.h"
#include <wtf/IndexMap.h>
namespace JSC { namespace B3 { namespace Air {
// As an alternative to this, you could use IndexMap<Tmp::LinearlyIndexed, ...>, but this would fail
// as soon as you added a new GP tmp.
template<typename Value>
class TmpMap {
public:
TmpMap() = default;
TmpMap(TmpMap&&) = default;
TmpMap& operator=(TmpMap&&) = default;
template<typename... Args>
TmpMap(Code& code, const Args&... args)
: m_gp(Tmp::absoluteIndexEnd(code, GP), args...)
, m_fp(Tmp::absoluteIndexEnd(code, FP), args...)
{
}
template<typename... Args>
void resize(Code& code, const Args&... args)
{
m_gp.resize(Tmp::absoluteIndexEnd(code, GP), args...);
m_fp.resize(Tmp::absoluteIndexEnd(code, FP), args...);
}
template<typename... Args>
void clear(const Args&... args)
{
m_gp.clear(args...);
m_fp.clear(args...);
}
const Value& operator[](Tmp tmp) const
{
if (tmp.isGP())
return m_gp[tmp];
return m_fp[tmp];
}
Value& operator[](Tmp tmp)
{
if (tmp.isGP())
return m_gp[tmp];
return m_fp[tmp];
}
template<typename PassedValue>
void append(Tmp tmp, PassedValue&& value)
{
if (tmp.isGP())
m_gp.append(tmp, std::forward<PassedValue>(value));
else
m_fp.append(tmp, std::forward<PassedValue>(value));
}
private:
IndexMap<Tmp::AbsolutelyIndexed<GP>, Value> m_gp;
IndexMap<Tmp::AbsolutelyIndexed<FP>, Value> m_fp;
};
} } } // namespace JSC::B3::Air
#endif // ENABLE(B3_JIT)