| 1 | /*
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| 2 | * Copyright (C) 2015 Apple Inc. All rights reserved.
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| 3 | *
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| 4 | * Redistribution and use in source and binary forms, with or without
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| 5 | * modification, are permitted provided that the following conditions
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| 6 | * are met:
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| 7 | * 1. Redistributions of source code must retain the above copyright
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| 8 | * notice, this list of conditions and the following disclaimer.
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| 9 | * 2. Redistributions in binary form must reproduce the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer in the
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| 11 | * documentation and/or other materials provided with the distribution.
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| 12 | *
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| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 24 | */
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| 25 |
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| 26 | #pragma once
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| 27 |
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| 28 | #if ENABLE(JIT)
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| 29 |
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| 30 | #include "CCallHelpers.h"
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| 31 | #include "SnippetOperand.h"
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| 32 |
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| 33 | namespace JSC {
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| 34 |
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| 35 | class JITBitBinaryOpGenerator {
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| 36 | public:
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| 37 | JITBitBinaryOpGenerator(const SnippetOperand& leftOperand, const SnippetOperand& rightOperand,
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| 38 | JSValueRegs result, JSValueRegs left, JSValueRegs right, GPRReg scratchGPR)
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| 39 | : m_leftOperand(leftOperand)
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| 40 | , m_rightOperand(rightOperand)
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| 41 | , m_result(result)
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| 42 | , m_left(left)
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| 43 | , m_right(right)
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| 44 | , m_scratchGPR(scratchGPR)
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| 45 | {
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| 46 | ASSERT(!m_leftOperand.isConstInt32() || !m_rightOperand.isConstInt32());
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| 47 | }
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| 48 |
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| 49 | bool didEmitFastPath() const { return m_didEmitFastPath; }
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| 50 | CCallHelpers::JumpList& endJumpList() { return m_endJumpList; }
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| 51 | CCallHelpers::JumpList& slowPathJumpList() { return m_slowPathJumpList; }
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| 52 |
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| 53 | protected:
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| 54 | SnippetOperand m_leftOperand;
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| 55 | SnippetOperand m_rightOperand;
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| 56 | JSValueRegs m_result;
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| 57 | JSValueRegs m_left;
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| 58 | JSValueRegs m_right;
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| 59 | GPRReg m_scratchGPR;
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| 60 | bool m_didEmitFastPath { false };
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| 61 |
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| 62 | CCallHelpers::JumpList m_endJumpList;
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| 63 | CCallHelpers::JumpList m_slowPathJumpList;
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| 64 | };
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| 65 |
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| 66 | } // namespace JSC
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| 67 |
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| 68 | #endif // ENABLE(JIT)
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