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 
12 namespace v8 {
13 namespace internal {
14 namespace compiler {
15 
16 namespace {
17 
18 char 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
Mnemonic(Value value)28 char 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 
operator <<(std::ostream & os,IrOpcode::Value opcode)36 std::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