126 lines
3.4 KiB
C++
126 lines
3.4 KiB
C++
/*
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* Copyright (C) 2012, 2013 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(DFG_JIT)
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#include "DFGCommon.h"
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#include "FPRInfo.h"
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#include "GPRInfo.h"
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namespace JSC { namespace DFG {
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enum SilentSpillAction {
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DoNothingForSpill,
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Store32Tag,
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Store32Payload,
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StorePtr,
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Store64,
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StoreDouble
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};
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enum SilentFillAction {
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DoNothingForFill,
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SetInt32Constant,
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SetInt52Constant,
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SetStrictInt52Constant,
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SetBooleanConstant,
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SetCellConstant,
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SetTrustedJSConstant,
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SetJSConstant,
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SetJSConstantTag,
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SetJSConstantPayload,
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SetInt32Tag,
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SetCellTag,
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SetBooleanTag,
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SetDoubleConstant,
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Load32Tag,
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Load32Payload,
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Load32PayloadBoxInt,
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Load32PayloadConvertToInt52,
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Load32PayloadSignExtend,
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LoadPtr,
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Load64,
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Load64ShiftInt52Right,
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Load64ShiftInt52Left,
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LoadDouble,
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LoadDoubleBoxDouble,
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LoadJSUnboxDouble
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};
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class SilentRegisterSavePlan {
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public:
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SilentRegisterSavePlan()
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: m_spillAction(DoNothingForSpill)
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, m_fillAction(DoNothingForFill)
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, m_register(-1)
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, m_node(nullptr)
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{
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}
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SilentRegisterSavePlan(
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SilentSpillAction spillAction,
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SilentFillAction fillAction,
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Node* node,
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GPRReg gpr)
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: m_spillAction(spillAction)
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, m_fillAction(fillAction)
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, m_register(gpr)
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, m_node(node)
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{
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}
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SilentRegisterSavePlan(
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SilentSpillAction spillAction,
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SilentFillAction fillAction,
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Node* node,
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FPRReg fpr)
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: m_spillAction(spillAction)
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, m_fillAction(fillAction)
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, m_register(fpr)
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, m_node(node)
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{
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}
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SilentSpillAction spillAction() const { return static_cast<SilentSpillAction>(m_spillAction); }
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SilentFillAction fillAction() const { return static_cast<SilentFillAction>(m_fillAction); }
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Node* node() const { return m_node; }
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GPRReg gpr() const { return static_cast<GPRReg>(m_register); }
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FPRReg fpr() const { return static_cast<FPRReg>(m_register); }
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private:
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int8_t m_spillAction;
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int8_t m_fillAction;
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int8_t m_register;
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Node* m_node;
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};
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} } // namespace JSC::DFG
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#endif // ENABLE(DFG_JIT)
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