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/machine-operator.h"
6
7#include "src/base/lazy-instance.h"
8#include "src/compiler/opcodes.h"
9#include "src/compiler/operator.h"
10
11namespace v8 {
12namespace internal {
13namespace compiler {
14
15OStream& operator<<(OStream& os, const WriteBarrierKind& write_barrier_kind) {
16  switch (write_barrier_kind) {
17    case kNoWriteBarrier:
18      return os << "NoWriteBarrier";
19    case kFullWriteBarrier:
20      return os << "FullWriteBarrier";
21  }
22  UNREACHABLE();
23  return os;
24}
25
26
27OStream& operator<<(OStream& os, const StoreRepresentation& rep) {
28  return os << "(" << rep.machine_type() << " : " << rep.write_barrier_kind()
29            << ")";
30}
31
32
33template <>
34struct StaticParameterTraits<StoreRepresentation> {
35  static OStream& PrintTo(OStream& os, const StoreRepresentation& rep) {
36    return os << rep;
37  }
38  static int HashCode(const StoreRepresentation& rep) {
39    return rep.machine_type() + rep.write_barrier_kind();
40  }
41  static bool Equals(const StoreRepresentation& rep1,
42                     const StoreRepresentation& rep2) {
43    return rep1 == rep2;
44  }
45};
46
47
48template <>
49struct StaticParameterTraits<LoadRepresentation> {
50  static OStream& PrintTo(OStream& os, LoadRepresentation type) {  // NOLINT
51    return os << type;
52  }
53  static int HashCode(LoadRepresentation type) { return type; }
54  static bool Equals(LoadRepresentation lhs, LoadRepresentation rhs) {
55    return lhs == rhs;
56  }
57};
58
59
60#define PURE_OP_LIST(V)                                                       \
61  V(Word32And, Operator::kAssociative | Operator::kCommutative, 2, 1)         \
62  V(Word32Or, Operator::kAssociative | Operator::kCommutative, 2, 1)          \
63  V(Word32Xor, Operator::kAssociative | Operator::kCommutative, 2, 1)         \
64  V(Word32Shl, Operator::kNoProperties, 2, 1)                                 \
65  V(Word32Shr, Operator::kNoProperties, 2, 1)                                 \
66  V(Word32Sar, Operator::kNoProperties, 2, 1)                                 \
67  V(Word32Ror, Operator::kNoProperties, 2, 1)                                 \
68  V(Word32Equal, Operator::kCommutative, 2, 1)                                \
69  V(Word64And, Operator::kAssociative | Operator::kCommutative, 2, 1)         \
70  V(Word64Or, Operator::kAssociative | Operator::kCommutative, 2, 1)          \
71  V(Word64Xor, Operator::kAssociative | Operator::kCommutative, 2, 1)         \
72  V(Word64Shl, Operator::kNoProperties, 2, 1)                                 \
73  V(Word64Shr, Operator::kNoProperties, 2, 1)                                 \
74  V(Word64Sar, Operator::kNoProperties, 2, 1)                                 \
75  V(Word64Ror, Operator::kNoProperties, 2, 1)                                 \
76  V(Word64Equal, Operator::kCommutative, 2, 1)                                \
77  V(Int32Add, Operator::kAssociative | Operator::kCommutative, 2, 1)          \
78  V(Int32AddWithOverflow, Operator::kAssociative | Operator::kCommutative, 2, \
79    2)                                                                        \
80  V(Int32Sub, Operator::kNoProperties, 2, 1)                                  \
81  V(Int32SubWithOverflow, Operator::kNoProperties, 2, 2)                      \
82  V(Int32Mul, Operator::kAssociative | Operator::kCommutative, 2, 1)          \
83  V(Int32Div, Operator::kNoProperties, 2, 1)                                  \
84  V(Int32UDiv, Operator::kNoProperties, 2, 1)                                 \
85  V(Int32Mod, Operator::kNoProperties, 2, 1)                                  \
86  V(Int32UMod, Operator::kNoProperties, 2, 1)                                 \
87  V(Int32LessThan, Operator::kNoProperties, 2, 1)                             \
88  V(Int32LessThanOrEqual, Operator::kNoProperties, 2, 1)                      \
89  V(Uint32LessThan, Operator::kNoProperties, 2, 1)                            \
90  V(Uint32LessThanOrEqual, Operator::kNoProperties, 2, 1)                     \
91  V(Int64Add, Operator::kAssociative | Operator::kCommutative, 2, 1)          \
92  V(Int64Sub, Operator::kNoProperties, 2, 1)                                  \
93  V(Int64Mul, Operator::kAssociative | Operator::kCommutative, 2, 1)          \
94  V(Int64Div, Operator::kNoProperties, 2, 1)                                  \
95  V(Int64UDiv, Operator::kNoProperties, 2, 1)                                 \
96  V(Int64Mod, Operator::kNoProperties, 2, 1)                                  \
97  V(Int64UMod, Operator::kNoProperties, 2, 1)                                 \
98  V(Int64LessThan, Operator::kNoProperties, 2, 1)                             \
99  V(Int64LessThanOrEqual, Operator::kNoProperties, 2, 1)                      \
100  V(ChangeFloat32ToFloat64, Operator::kNoProperties, 1, 1)                    \
101  V(ChangeFloat64ToInt32, Operator::kNoProperties, 1, 1)                      \
102  V(ChangeFloat64ToUint32, Operator::kNoProperties, 1, 1)                     \
103  V(ChangeInt32ToFloat64, Operator::kNoProperties, 1, 1)                      \
104  V(ChangeInt32ToInt64, Operator::kNoProperties, 1, 1)                        \
105  V(ChangeUint32ToFloat64, Operator::kNoProperties, 1, 1)                     \
106  V(ChangeUint32ToUint64, Operator::kNoProperties, 1, 1)                      \
107  V(TruncateFloat64ToFloat32, Operator::kNoProperties, 1, 1)                  \
108  V(TruncateFloat64ToInt32, Operator::kNoProperties, 1, 1)                    \
109  V(TruncateInt64ToInt32, Operator::kNoProperties, 1, 1)                      \
110  V(Float64Add, Operator::kCommutative, 2, 1)                                 \
111  V(Float64Sub, Operator::kNoProperties, 2, 1)                                \
112  V(Float64Mul, Operator::kCommutative, 2, 1)                                 \
113  V(Float64Div, Operator::kNoProperties, 2, 1)                                \
114  V(Float64Mod, Operator::kNoProperties, 2, 1)                                \
115  V(Float64Sqrt, Operator::kNoProperties, 1, 1)                               \
116  V(Float64Equal, Operator::kCommutative, 2, 1)                               \
117  V(Float64LessThan, Operator::kNoProperties, 2, 1)                           \
118  V(Float64LessThanOrEqual, Operator::kNoProperties, 2, 1)
119
120
121#define MACHINE_TYPE_LIST(V) \
122  V(MachFloat32)             \
123  V(MachFloat64)             \
124  V(MachInt8)                \
125  V(MachUint8)               \
126  V(MachInt16)               \
127  V(MachUint16)              \
128  V(MachInt32)               \
129  V(MachUint32)              \
130  V(MachInt64)               \
131  V(MachUint64)              \
132  V(MachAnyTagged)           \
133  V(RepBit)                  \
134  V(RepWord8)                \
135  V(RepWord16)               \
136  V(RepWord32)               \
137  V(RepWord64)               \
138  V(RepFloat32)              \
139  V(RepFloat64)              \
140  V(RepTagged)
141
142
143struct MachineOperatorBuilderImpl {
144#define PURE(Name, properties, input_count, output_count)                 \
145  struct Name##Operator FINAL : public SimpleOperator {                   \
146    Name##Operator()                                                      \
147        : SimpleOperator(IrOpcode::k##Name, Operator::kPure | properties, \
148                         input_count, output_count, #Name) {}             \
149  };                                                                      \
150  Name##Operator k##Name;
151  PURE_OP_LIST(PURE)
152#undef PURE
153
154#define LOAD(Type)                                                            \
155  struct Load##Type##Operator FINAL : public Operator1<LoadRepresentation> {  \
156    Load##Type##Operator()                                                    \
157        : Operator1<LoadRepresentation>(                                      \
158              IrOpcode::kLoad, Operator::kNoThrow | Operator::kNoWrite, 2, 1, \
159              "Load", k##Type) {}                                             \
160  };                                                                          \
161  Load##Type##Operator k##Load##Type;
162  MACHINE_TYPE_LIST(LOAD)
163#undef LOAD
164
165#define STORE(Type)                                                           \
166  struct Store##Type##Operator : public Operator1<StoreRepresentation> {      \
167    explicit Store##Type##Operator(WriteBarrierKind write_barrier_kind)       \
168        : Operator1<StoreRepresentation>(                                     \
169              IrOpcode::kStore, Operator::kNoRead | Operator::kNoThrow, 3, 0, \
170              "Store", StoreRepresentation(k##Type, write_barrier_kind)) {}   \
171  };                                                                          \
172  struct Store##Type##NoWriteBarrier##Operator FINAL                          \
173      : public Store##Type##Operator {                                        \
174    Store##Type##NoWriteBarrier##Operator()                                   \
175        : Store##Type##Operator(kNoWriteBarrier) {}                           \
176  };                                                                          \
177  struct Store##Type##FullWriteBarrier##Operator FINAL                        \
178      : public Store##Type##Operator {                                        \
179    Store##Type##FullWriteBarrier##Operator()                                 \
180        : Store##Type##Operator(kFullWriteBarrier) {}                         \
181  };                                                                          \
182  Store##Type##NoWriteBarrier##Operator k##Store##Type##NoWriteBarrier;       \
183  Store##Type##FullWriteBarrier##Operator k##Store##Type##FullWriteBarrier;
184  MACHINE_TYPE_LIST(STORE)
185#undef STORE
186};
187
188
189static base::LazyInstance<MachineOperatorBuilderImpl>::type kImpl =
190    LAZY_INSTANCE_INITIALIZER;
191
192
193MachineOperatorBuilder::MachineOperatorBuilder(MachineType word)
194    : impl_(kImpl.Get()), word_(word) {
195  DCHECK(word == kRepWord32 || word == kRepWord64);
196}
197
198
199#define PURE(Name, properties, input_count, output_count) \
200  const Operator* MachineOperatorBuilder::Name() { return &impl_.k##Name; }
201PURE_OP_LIST(PURE)
202#undef PURE
203
204
205const Operator* MachineOperatorBuilder::Load(LoadRepresentation rep) {
206  switch (rep) {
207#define LOAD(Type) \
208  case k##Type:    \
209    return &impl_.k##Load##Type;
210    MACHINE_TYPE_LIST(LOAD)
211#undef LOAD
212
213    default:
214      break;
215  }
216  UNREACHABLE();
217  return NULL;
218}
219
220
221const Operator* MachineOperatorBuilder::Store(StoreRepresentation rep) {
222  switch (rep.machine_type()) {
223#define STORE(Type)                                     \
224  case k##Type:                                         \
225    switch (rep.write_barrier_kind()) {                 \
226      case kNoWriteBarrier:                             \
227        return &impl_.k##Store##Type##NoWriteBarrier;   \
228      case kFullWriteBarrier:                           \
229        return &impl_.k##Store##Type##FullWriteBarrier; \
230    }                                                   \
231    break;
232    MACHINE_TYPE_LIST(STORE)
233#undef STORE
234
235    default:
236      break;
237  }
238  UNREACHABLE();
239  return NULL;
240}
241
242}  // namespace compiler
243}  // namespace internal
244}  // namespace v8
245