Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 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 | |
| 11 | namespace v8 { |
| 12 | namespace internal { |
| 13 | namespace compiler { |
| 14 | |
| 15 | OStream& 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 | |
| 27 | OStream& operator<<(OStream& os, const StoreRepresentation& rep) { |
| 28 | return os << "(" << rep.machine_type() << " : " << rep.write_barrier_kind() |
| 29 | << ")"; |
| 30 | } |
| 31 | |
| 32 | |
| 33 | template <> |
| 34 | struct 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 | |
| 48 | template <> |
| 49 | struct 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 | |
| 143 | struct 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 | |
| 189 | static base::LazyInstance<MachineOperatorBuilderImpl>::type kImpl = |
| 190 | LAZY_INSTANCE_INITIALIZER; |
| 191 | |
| 192 | |
| 193 | MachineOperatorBuilder::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; } |
| 201 | PURE_OP_LIST(PURE) |
| 202 | #undef PURE |
| 203 | |
| 204 | |
| 205 | const 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 | |
| 221 | const 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 |