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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.
*/
#pragma once
#if ENABLE(JIT)
#include "CCallHelpers.h"
#include "JITMathICInlineResult.h"
#include "SnippetOperand.h"
namespace JSC {
struct MathICGenerationState;
class JITMulGenerator {
public:
JITMulGenerator()
{ }
JITMulGenerator(SnippetOperand leftOperand, SnippetOperand rightOperand,
JSValueRegs result, JSValueRegs left, JSValueRegs right,
FPRReg leftFPR, FPRReg rightFPR, GPRReg scratchGPR)
: m_leftOperand(leftOperand)
, m_rightOperand(rightOperand)
, m_result(result)
, m_left(left)
, m_right(right)
, m_leftFPR(leftFPR)
, m_rightFPR(rightFPR)
, m_scratchGPR(scratchGPR)
{
ASSERT(!m_leftOperand.isPositiveConstInt32() || !m_rightOperand.isPositiveConstInt32());
}
JITMathICInlineResult generateInline(CCallHelpers&, MathICGenerationState&, const BinaryArithProfile*);
bool generateFastPath(CCallHelpers&, CCallHelpers::JumpList& endJumpList, CCallHelpers::JumpList& slowJumpList, const BinaryArithProfile*, bool shouldEmitProfiling);
static bool isLeftOperandValidConstant(SnippetOperand leftOperand) { return leftOperand.isPositiveConstInt32(); }
static bool isRightOperandValidConstant(SnippetOperand rightOperand) { return rightOperand.isPositiveConstInt32(); }
private:
SnippetOperand m_leftOperand;
SnippetOperand m_rightOperand;
JSValueRegs m_result;
JSValueRegs m_left;
JSValueRegs m_right;
FPRReg m_leftFPR;
FPRReg m_rightFPR;
GPRReg m_scratchGPR;
};
} // namespace JSC
#endif // ENABLE(JIT)