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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/*
* Copyright (C) 2012, 2013 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 DFGSilentRegisterSavePlan_h
#define DFGSilentRegisterSavePlan_h
#include <wtf/Platform.h>
#if ENABLE(DFG_JIT)
#include "DFGCommon.h"
#include "DFGFPRInfo.h"
#include "DFGGPRInfo.h"
namespace JSC { namespace DFG {
enum SilentSpillAction {
DoNothingForSpill,
Store32Tag,
Store32Payload,
StorePtr,
Store64,
StoreDouble
};
enum SilentFillAction {
DoNothingForFill,
SetInt32Constant,
SetBooleanConstant,
SetCellConstant,
SetTrustedJSConstant,
SetJSConstant,
SetJSConstantTag,
SetJSConstantPayload,
SetInt32Tag,
SetCellTag,
SetBooleanTag,
SetDoubleConstant,
Load32Tag,
Load32Payload,
Load32PayloadBoxInt,
LoadPtr,
Load64,
LoadDouble,
LoadDoubleBoxDouble,
LoadJSUnboxDouble
};
class SilentRegisterSavePlan {
public:
SilentRegisterSavePlan()
: m_spillAction(DoNothingForSpill)
, m_fillAction(DoNothingForFill)
, m_register(-1)
, m_node(0)
{
}
SilentRegisterSavePlan(
SilentSpillAction spillAction,
SilentFillAction fillAction,
Node* node,
GPRReg gpr)
: m_spillAction(spillAction)
, m_fillAction(fillAction)
, m_register(gpr)
, m_node(node)
{
}
SilentRegisterSavePlan(
SilentSpillAction spillAction,
SilentFillAction fillAction,
Node* node,
FPRReg fpr)
: m_spillAction(spillAction)
, m_fillAction(fillAction)
, m_register(fpr)
, m_node(node)
{
}
SilentSpillAction spillAction() const { return static_cast<SilentSpillAction>(m_spillAction); }
SilentFillAction fillAction() const { return static_cast<SilentFillAction>(m_fillAction); }
Node* node() const { return m_node; }
GPRReg gpr() const { return static_cast<GPRReg>(m_register); }
FPRReg fpr() const { return static_cast<FPRReg>(m_register); }
private:
int8_t m_spillAction;
int8_t m_fillAction;
int8_t m_register;
Node* m_node;
};
} } // namespace JSC::DFG
#endif // ENABLE(DFG_JIT)
#endif // DFGSilentRegisterSavePlan_h
|
