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
9 namespace v8 {
10 namespace internal {
11 namespace compiler {
12
13 namespace {
14
15 template <typename N>
CheckRange(size_t val)16 V8_INLINE N CheckRange(size_t val) {
17 CHECK_LE(val, std::numeric_limits<N>::max());
18 return static_cast<N>(val);
19 }
20
21 } // namespace
22
23
24 // static
25 STATIC_CONST_MEMBER_DEFINITION const size_t Operator::kMaxControlOutputCount;
26
27
Operator(Opcode opcode,Properties properties,const char * mnemonic,size_t value_in,size_t effect_in,size_t control_in,size_t value_out,size_t effect_out,size_t control_out)28 Operator::Operator(Opcode opcode, Properties properties, const char* mnemonic,
29 size_t value_in, size_t effect_in, size_t control_in,
30 size_t value_out, size_t effect_out, size_t control_out)
31 : opcode_(opcode),
32 properties_(properties),
33 mnemonic_(mnemonic),
34 value_in_(CheckRange<uint32_t>(value_in)),
35 effect_in_(CheckRange<uint16_t>(effect_in)),
36 control_in_(CheckRange<uint16_t>(control_in)),
37 value_out_(CheckRange<uint16_t>(value_out)),
38 effect_out_(CheckRange<uint8_t>(effect_out)),
39 control_out_(CheckRange<uint16_t>(control_out)) {}
40
41
operator <<(std::ostream & os,const Operator & op)42 std::ostream& operator<<(std::ostream& os, const Operator& op) {
43 op.PrintTo(os);
44 return os;
45 }
46
47
PrintTo(std::ostream & os) const48 void Operator::PrintTo(std::ostream& os) const { os << mnemonic(); }
49
50 } // namespace compiler
51 } // namespace internal
52 } // namespace v8
53