mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-23 04:09:40 +00:00
83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#if ENABLE(JIT)
|
|
|
|
#include "CCallHelpers.h"
|
|
#include "SnippetOperand.h"
|
|
|
|
namespace JSC {
|
|
|
|
class JITDivGenerator {
|
|
public:
|
|
JITDivGenerator(SnippetOperand leftOperand, SnippetOperand rightOperand,
|
|
JSValueRegs result, JSValueRegs left, JSValueRegs right,
|
|
FPRReg leftFPR, FPRReg rightFPR, GPRReg scratchGPR, FPRReg scratchFPR,
|
|
BinaryArithProfile* arithProfile = nullptr)
|
|
: m_leftOperand(leftOperand)
|
|
, m_rightOperand(rightOperand)
|
|
, m_result(result)
|
|
, m_left(left)
|
|
, m_right(right)
|
|
, m_leftFPR(leftFPR)
|
|
, m_rightFPR(rightFPR)
|
|
, m_scratchGPR(scratchGPR)
|
|
, m_scratchFPR(scratchFPR)
|
|
, m_arithProfile(arithProfile)
|
|
{
|
|
ASSERT(!m_leftOperand.isConstInt32() || !m_rightOperand.isConstInt32());
|
|
}
|
|
|
|
void generateFastPath(CCallHelpers&);
|
|
|
|
bool didEmitFastPath() const { return m_didEmitFastPath; }
|
|
CCallHelpers::JumpList& endJumpList() { return m_endJumpList; }
|
|
CCallHelpers::JumpList& slowPathJumpList() { return m_slowPathJumpList; }
|
|
|
|
private:
|
|
void loadOperand(CCallHelpers&, SnippetOperand&, JSValueRegs opRegs, FPRReg destFPR);
|
|
|
|
SnippetOperand m_leftOperand;
|
|
SnippetOperand m_rightOperand;
|
|
JSValueRegs m_result;
|
|
JSValueRegs m_left;
|
|
JSValueRegs m_right;
|
|
FPRReg m_leftFPR;
|
|
FPRReg m_rightFPR;
|
|
GPRReg m_scratchGPR;
|
|
FPRReg m_scratchFPR;
|
|
bool m_didEmitFastPath { false };
|
|
BinaryArithProfile* m_arithProfile;
|
|
|
|
CCallHelpers::JumpList m_endJumpList;
|
|
CCallHelpers::JumpList m_slowPathJumpList;
|
|
};
|
|
|
|
} // namespace JSC
|
|
|
|
#endif // ENABLE(JIT)
|