summaryrefslogtreecommitdiff
path: root/Source/JavaScriptCore/jit/JITBitBinaryOpGenerator.h
blob: e6ffbd68eacc9cb29cef1b3ce2ee5d5a7befd680 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
/*
 * 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.
 */

#ifndef JITBitBinaryOpGenerator_h
#define JITBitBinaryOpGenerator_h

#if ENABLE(JIT)

#include "CCallHelpers.h"
#include "SnippetOperand.h"

namespace JSC {

class JITBitBinaryOpGenerator {
public:
    JITBitBinaryOpGenerator(const SnippetOperand& leftOperand, const SnippetOperand& rightOperand,
        JSValueRegs result, JSValueRegs left, JSValueRegs right, GPRReg scratchGPR)
        : m_leftOperand(leftOperand)
        , m_rightOperand(rightOperand)
        , m_result(result)
        , m_left(left)
        , m_right(right)
        , m_scratchGPR(scratchGPR)
    {
        ASSERT(!m_leftOperand.isConstInt32() || !m_rightOperand.isConstInt32());
    }

    bool didEmitFastPath() const { return m_didEmitFastPath; }
    CCallHelpers::JumpList& endJumpList() { return m_endJumpList; }
    CCallHelpers::JumpList& slowPathJumpList() { return m_slowPathJumpList; }

protected:
    SnippetOperand m_leftOperand;
    SnippetOperand m_rightOperand;
    JSValueRegs m_result;
    JSValueRegs m_left;
    JSValueRegs m_right;
    GPRReg m_scratchGPR;
    bool m_didEmitFastPath { false };

    CCallHelpers::JumpList m_endJumpList;
    CCallHelpers::JumpList m_slowPathJumpList;
};

} // namespace JSC

#endif // ENABLE(JIT)

#endif // JITBitBinaryOpGenerator_h