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
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)27 Operator::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 : opcode_(opcode),
31 properties_(properties),
32 mnemonic_(mnemonic),
33 value_in_(CheckRange<uint32_t>(value_in)),
34 effect_in_(CheckRange<uint16_t>(effect_in)),
35 control_in_(CheckRange<uint16_t>(control_in)),
36 value_out_(CheckRange<uint16_t>(value_out)),
37 effect_out_(CheckRange<uint8_t>(effect_out)),
38 control_out_(CheckRange<uint32_t>(control_out)) {}
39
operator <<(std::ostream & os,const Operator & op)40 std::ostream& operator<<(std::ostream& os, const Operator& op) {
41 op.PrintTo(os);
42 return os;
43 }
44
PrintToImpl(std::ostream & os,PrintVerbosity verbose) const45 void Operator::PrintToImpl(std::ostream& os, PrintVerbosity verbose) const {
46 os << mnemonic();
47 }
48
PrintPropsTo(std::ostream & os) const49 void 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