xref: /third_party/node/deps/v8/src/compiler/opcodes.cc (revision 1cb0ef41)
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/opcodes.h"
6
7#include <algorithm>
8#include <ostream>
9
10#include "src/base/macros.h"
11
12namespace v8 {
13namespace internal {
14namespace compiler {
15
16namespace {
17
18char const* const kMnemonics[] = {
19#define DECLARE_MNEMONIC(x, ...) #x,
20    ALL_OP_LIST(DECLARE_MNEMONIC)
21#undef DECLARE_MNEMONIC
22        "UnknownOpcode"};
23
24}  // namespace
25
26
27// static
28char const* IrOpcode::Mnemonic(Value value) {
29  DCHECK_LE(0, static_cast<int>(value));
30  DCHECK_LE(static_cast<int>(value), IrOpcode::Value::kLast);
31  size_t const n = std::min<size_t>(value, arraysize(kMnemonics) - 1);
32  return kMnemonics[n];
33}
34
35
36std::ostream& operator<<(std::ostream& os, IrOpcode::Value opcode) {
37  return os << IrOpcode::Mnemonic(opcode);
38}
39
40}  // namespace compiler
41}  // namespace internal
42}  // namespace v8
43