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
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/*
* Copyright (C) 2013-2015 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.
*/
#include "config.h"
#include "FTLExitValue.h"
#if ENABLE(FTL_JIT)
#include "FTLExitTimeObjectMaterialization.h"
#include "JSCInlines.h"
#include "TrackedReferences.h"
namespace JSC { namespace FTL {
ExitValue ExitValue::materializeNewObject(ExitTimeObjectMaterialization* data)
{
ExitValue result;
result.m_kind = ExitValueMaterializeNewObject;
result.u.newObjectMaterializationData = data;
return result;
}
ExitValue ExitValue::withLocalsOffset(int offset) const
{
if (!isInJSStackSomehow())
return *this;
if (!virtualRegister().isLocal())
return *this;
return withVirtualRegister(virtualRegister() + offset);
}
DataFormat ExitValue::dataFormat() const
{
switch (kind()) {
case InvalidExitValue:
RELEASE_ASSERT_NOT_REACHED();
return DataFormatNone;
case ExitValueDead:
case ExitValueConstant:
case ExitValueInJSStack:
case ExitValueMaterializeNewObject:
return DataFormatJS;
case ExitValueArgument:
return exitArgument().format();
case ExitValueInJSStackAsInt32:
return DataFormatInt32;
case ExitValueInJSStackAsInt52:
return DataFormatInt52;
case ExitValueInJSStackAsDouble:
return DataFormatDouble;
case ExitValueRecovery:
return recoveryFormat();
}
RELEASE_ASSERT_NOT_REACHED();
}
void ExitValue::dumpInContext(PrintStream& out, DumpContext* context) const
{
switch (kind()) {
case InvalidExitValue:
out.print("Invalid");
return;
case ExitValueDead:
out.print("Dead");
return;
case ExitValueArgument:
out.print("Argument(", exitArgument(), ")");
return;
case ExitValueConstant:
out.print("Constant(", inContext(constant(), context), ")");
return;
case ExitValueInJSStack:
out.print("InJSStack:", virtualRegister());
return;
case ExitValueInJSStackAsInt32:
out.print("InJSStackAsInt32:", virtualRegister());
return;
case ExitValueInJSStackAsInt52:
out.print("InJSStackAsInt52:", virtualRegister());
return;
case ExitValueInJSStackAsDouble:
out.print("InJSStackAsDouble:", virtualRegister());
return;
case ExitValueRecovery:
out.print("Recovery(", recoveryOpcode(), ", arg", leftRecoveryArgument(), ", arg", rightRecoveryArgument(), ", ", recoveryFormat(), ")");
return;
case ExitValueMaterializeNewObject:
out.print("Materialize(", WTF::RawPointer(objectMaterialization()), ")");
return;
}
RELEASE_ASSERT_NOT_REACHED();
}
void ExitValue::dump(PrintStream& out) const
{
dumpInContext(out, 0);
}
void ExitValue::validateReferences(const TrackedReferences& trackedReferences) const
{
if (isConstant())
trackedReferences.check(constant());
}
} } // namespace JSC::FTL
#endif // ENABLE(FTL_JIT)
|
