1/*
2 * Copyright (C) 2012 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "DFGVariableEvent.h"
28
29#if ENABLE(DFG_JIT)
30
31#include "FPRInfo.h"
32#include "GPRInfo.h"
33#include "JSCInlines.h"
34
35namespace JSC { namespace DFG {
36
37void VariableEvent::dump(PrintStream& out) const
38{
39    switch (kind()) {
40    case Reset:
41        out.printf("Reset");
42        break;
43    case BirthToFill:
44        dumpFillInfo("BirthToFill", out);
45        break;
46    case BirthToSpill:
47        dumpSpillInfo("BirthToSpill", out);
48        break;
49    case Fill:
50        dumpFillInfo("Fill", out);
51        break;
52    case Spill:
53        dumpSpillInfo("Spill", out);
54        break;
55    case Death:
56        out.print("Death(", id(), ")");
57        break;
58    case MovHintEvent:
59        out.print("MovHint(", id(), ", r", bytecodeRegister(), ")");
60        break;
61    case SetLocalEvent:
62        out.print(
63            "SetLocal(machine:r", machineRegister(), " -> bytecode:r", bytecodeRegister(),
64            ", ", dataFormatToString(dataFormat()), ")");
65        break;
66    default:
67        RELEASE_ASSERT_NOT_REACHED();
68        break;
69    }
70}
71
72void VariableEvent::dumpFillInfo(const char* name, PrintStream& out) const
73{
74    out.print(name, "(", id(), ", ");
75    if (dataFormat() == DataFormatDouble)
76        out.printf("%s", FPRInfo::debugName(fpr()));
77#if USE(JSVALUE32_64)
78    else if (dataFormat() & DataFormatJS)
79        out.printf("%s:%s", GPRInfo::debugName(tagGPR()), GPRInfo::debugName(payloadGPR()));
80#endif
81    else
82        out.printf("%s", GPRInfo::debugName(gpr()));
83    out.printf(", %s)", dataFormatToString(dataFormat()));
84}
85
86void VariableEvent::dumpSpillInfo(const char* name, PrintStream& out) const
87{
88    out.print(name, "(", id(), ", r", spillRegister(), ", ", dataFormatToString(dataFormat()), ")");
89}
90
91} } // namespace JSC::DFG
92
93#endif // ENABLE(DFG_JIT)
94
95