1/*
2 * Copyright (C) 2017-2019 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#pragma once
27
28#if ENABLE(B3_JIT)
29
30#include "B3Type.h"
31#include "Reg.h"
32
33namespace JSC { namespace B3 {
34
35enum Bank : int8_t {
36 GP,
37 FP
38};
39
40static constexpr unsigned numBanks = 2;
41
42template<typename Func>
43void forEachBank(const Func& func)
44{
45 func(GP);
46 func(FP);
47}
48
49inline Bank bankForType(Type type)
50{
51 switch (type.kind()) {
52 case Void:
53 case Tuple:
54 ASSERT_NOT_REACHED();
55 return GP;
56 case Int32:
57 case Int64:
58 return GP;
59 case Float:
60 case Double:
61 return FP;
62 }
63 ASSERT_NOT_REACHED();
64 return GP;
65}
66
67inline Bank bankForReg(Reg reg)
68{
69 return reg.isGPR() ? GP : FP;
70}
71
72} } // namespace JSC::B3
73
74namespace WTF {
75
76class PrintStream;
77
78void printInternal(PrintStream&, JSC::B3::Bank);
79
80} // namespace WTF
81
82#endif // ENABLE(B3_JIT)
83
84