1// Copyright 2014 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "src/compiler/operator.h"
6
7#include <limits>
8
9namespace v8 {
10namespace internal {
11namespace compiler {
12
13namespace {
14
15template <typename N>
16V8_INLINE N CheckRange(size_t val) {
17  // The getters on Operator for input and output counts currently return int.
18  // Thus check that the given value fits in the integer range.
19  // TODO(titzer): Remove this check once the getters return size_t.
20  CHECK_LE(val, std::min(static_cast<size_t>(std::numeric_limits<N>::max()),
21                         static_cast<size_t>(kMaxInt)));
22  return static_cast<N>(val);
23}
24
25}  // namespace
26
27Operator::Operator(Opcode opcode, Properties properties, const char* mnemonic,
28                   size_t value_in, size_t effect_in, size_t control_in,
29                   size_t value_out, size_t effect_out, size_t control_out)
30    : mnemonic_(mnemonic),
31      opcode_(opcode),
32      properties_(properties),
33      value_in_(CheckRange<uint32_t>(value_in)),
34      effect_in_(CheckRange<uint32_t>(effect_in)),
35      control_in_(CheckRange<uint32_t>(control_in)),
36      value_out_(CheckRange<uint32_t>(value_out)),
37      effect_out_(CheckRange<uint8_t>(effect_out)),
38      control_out_(CheckRange<uint32_t>(control_out)) {}
39
40std::ostream& operator<<(std::ostream& os, const Operator& op) {
41  op.PrintTo(os);
42  return os;
43}
44
45void Operator::PrintToImpl(std::ostream& os, PrintVerbosity verbose) const {
46  os << mnemonic();
47}
48
49void Operator::PrintPropsTo(std::ostream& os) const {
50  std::string separator = "";
51
52#define PRINT_PROP_IF_SET(name)         \
53  if (HasProperty(Operator::k##name)) { \
54    os << separator;                    \
55    os << #name;                        \
56    separator = ", ";                   \
57  }
58  OPERATOR_PROPERTY_LIST(PRINT_PROP_IF_SET)
59#undef PRINT_PROP_IF_SET
60}
61
62}  // namespace compiler
63}  // namespace internal
64}  // namespace v8
65