| // Copyright 2014 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "src/compiler/machine-operator.h" |
| |
| #include "src/base/lazy-instance.h" |
| #include "src/compiler/opcodes.h" |
| #include "src/compiler/operator.h" |
| #include "src/v8.h" |
| #include "src/zone-inl.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace compiler { |
| |
| std::ostream& operator<<(std::ostream& os, WriteBarrierKind kind) { |
| switch (kind) { |
| case kNoWriteBarrier: |
| return os << "NoWriteBarrier"; |
| case kFullWriteBarrier: |
| return os << "FullWriteBarrier"; |
| } |
| UNREACHABLE(); |
| return os; |
| } |
| |
| |
| bool operator==(StoreRepresentation lhs, StoreRepresentation rhs) { |
| return lhs.machine_type() == rhs.machine_type() && |
| lhs.write_barrier_kind() == rhs.write_barrier_kind(); |
| } |
| |
| |
| bool operator!=(StoreRepresentation lhs, StoreRepresentation rhs) { |
| return !(lhs == rhs); |
| } |
| |
| |
| size_t hash_value(StoreRepresentation rep) { |
| return base::hash_combine(rep.machine_type(), rep.write_barrier_kind()); |
| } |
| |
| |
| std::ostream& operator<<(std::ostream& os, StoreRepresentation rep) { |
| return os << "(" << rep.machine_type() << " : " << rep.write_barrier_kind() |
| << ")"; |
| } |
| |
| |
| StoreRepresentation const& StoreRepresentationOf(Operator const* op) { |
| DCHECK_EQ(IrOpcode::kStore, op->opcode()); |
| return OpParameter<StoreRepresentation>(op); |
| } |
| |
| |
| CheckedLoadRepresentation CheckedLoadRepresentationOf(Operator const* op) { |
| DCHECK_EQ(IrOpcode::kCheckedLoad, op->opcode()); |
| return OpParameter<CheckedLoadRepresentation>(op); |
| } |
| |
| |
| CheckedStoreRepresentation CheckedStoreRepresentationOf(Operator const* op) { |
| DCHECK_EQ(IrOpcode::kCheckedStore, op->opcode()); |
| return OpParameter<CheckedStoreRepresentation>(op); |
| } |
| |
| |
| #define PURE_OP_LIST(V) \ |
| V(Word32And, Operator::kAssociative | Operator::kCommutative, 2, 0, 1) \ |
| V(Word32Or, Operator::kAssociative | Operator::kCommutative, 2, 0, 1) \ |
| V(Word32Xor, Operator::kAssociative | Operator::kCommutative, 2, 0, 1) \ |
| V(Word32Shl, Operator::kNoProperties, 2, 0, 1) \ |
| V(Word32Shr, Operator::kNoProperties, 2, 0, 1) \ |
| V(Word32Sar, Operator::kNoProperties, 2, 0, 1) \ |
| V(Word32Ror, Operator::kNoProperties, 2, 0, 1) \ |
| V(Word32Equal, Operator::kCommutative, 2, 0, 1) \ |
| V(Word64And, Operator::kAssociative | Operator::kCommutative, 2, 0, 1) \ |
| V(Word64Or, Operator::kAssociative | Operator::kCommutative, 2, 0, 1) \ |
| V(Word64Xor, Operator::kAssociative | Operator::kCommutative, 2, 0, 1) \ |
| V(Word64Shl, Operator::kNoProperties, 2, 0, 1) \ |
| V(Word64Shr, Operator::kNoProperties, 2, 0, 1) \ |
| V(Word64Sar, Operator::kNoProperties, 2, 0, 1) \ |
| V(Word64Ror, Operator::kNoProperties, 2, 0, 1) \ |
| V(Word64Equal, Operator::kCommutative, 2, 0, 1) \ |
| V(Int32Add, Operator::kAssociative | Operator::kCommutative, 2, 0, 1) \ |
| V(Int32AddWithOverflow, Operator::kAssociative | Operator::kCommutative, 2, \ |
| 0, 2) \ |
| V(Int32Sub, Operator::kNoProperties, 2, 0, 1) \ |
| V(Int32SubWithOverflow, Operator::kNoProperties, 2, 0, 2) \ |
| V(Int32Mul, Operator::kAssociative | Operator::kCommutative, 2, 0, 1) \ |
| V(Int32MulHigh, Operator::kAssociative | Operator::kCommutative, 2, 0, 1) \ |
| V(Int32Div, Operator::kNoProperties, 2, 1, 1) \ |
| V(Int32Mod, Operator::kNoProperties, 2, 1, 1) \ |
| V(Int32LessThan, Operator::kNoProperties, 2, 0, 1) \ |
| V(Int32LessThanOrEqual, Operator::kNoProperties, 2, 0, 1) \ |
| V(Uint32Div, Operator::kNoProperties, 2, 1, 1) \ |
| V(Uint32LessThan, Operator::kNoProperties, 2, 0, 1) \ |
| V(Uint32LessThanOrEqual, Operator::kNoProperties, 2, 0, 1) \ |
| V(Uint32Mod, Operator::kNoProperties, 2, 1, 1) \ |
| V(Uint32MulHigh, Operator::kAssociative | Operator::kCommutative, 2, 0, 1) \ |
| V(Int64Add, Operator::kAssociative | Operator::kCommutative, 2, 0, 1) \ |
| V(Int64Sub, Operator::kNoProperties, 2, 0, 1) \ |
| V(Int64Mul, Operator::kAssociative | Operator::kCommutative, 2, 0, 1) \ |
| V(Int64Div, Operator::kNoProperties, 2, 0, 1) \ |
| V(Int64Mod, Operator::kNoProperties, 2, 0, 1) \ |
| V(Int64LessThan, Operator::kNoProperties, 2, 0, 1) \ |
| V(Int64LessThanOrEqual, Operator::kNoProperties, 2, 0, 1) \ |
| V(Uint64Div, Operator::kNoProperties, 2, 0, 1) \ |
| V(Uint64LessThan, Operator::kNoProperties, 2, 0, 1) \ |
| V(Uint64Mod, Operator::kNoProperties, 2, 0, 1) \ |
| V(ChangeFloat32ToFloat64, Operator::kNoProperties, 1, 0, 1) \ |
| V(ChangeFloat64ToInt32, Operator::kNoProperties, 1, 0, 1) \ |
| V(ChangeFloat64ToUint32, Operator::kNoProperties, 1, 0, 1) \ |
| V(ChangeInt32ToFloat64, Operator::kNoProperties, 1, 0, 1) \ |
| V(ChangeInt32ToInt64, Operator::kNoProperties, 1, 0, 1) \ |
| V(ChangeUint32ToFloat64, Operator::kNoProperties, 1, 0, 1) \ |
| V(ChangeUint32ToUint64, Operator::kNoProperties, 1, 0, 1) \ |
| V(TruncateFloat64ToFloat32, Operator::kNoProperties, 1, 0, 1) \ |
| V(TruncateFloat64ToInt32, Operator::kNoProperties, 1, 0, 1) \ |
| V(TruncateInt64ToInt32, Operator::kNoProperties, 1, 0, 1) \ |
| V(Float64Add, Operator::kCommutative, 2, 0, 1) \ |
| V(Float64Sub, Operator::kNoProperties, 2, 0, 1) \ |
| V(Float64Mul, Operator::kCommutative, 2, 0, 1) \ |
| V(Float64Div, Operator::kNoProperties, 2, 0, 1) \ |
| V(Float64Mod, Operator::kNoProperties, 2, 0, 1) \ |
| V(Float64Sqrt, Operator::kNoProperties, 1, 0, 1) \ |
| V(Float64Ceil, Operator::kNoProperties, 1, 0, 1) \ |
| V(Float64Floor, Operator::kNoProperties, 1, 0, 1) \ |
| V(Float64RoundTruncate, Operator::kNoProperties, 1, 0, 1) \ |
| V(Float64RoundTiesAway, Operator::kNoProperties, 1, 0, 1) \ |
| V(Float64Equal, Operator::kCommutative, 2, 0, 1) \ |
| V(Float64LessThan, Operator::kNoProperties, 2, 0, 1) \ |
| V(Float64LessThanOrEqual, Operator::kNoProperties, 2, 0, 1) \ |
| V(LoadStackPointer, Operator::kNoProperties, 0, 0, 1) |
| |
| |
| #define MACHINE_TYPE_LIST(V) \ |
| V(MachFloat32) \ |
| V(MachFloat64) \ |
| V(MachInt8) \ |
| V(MachUint8) \ |
| V(MachInt16) \ |
| V(MachUint16) \ |
| V(MachInt32) \ |
| V(MachUint32) \ |
| V(MachInt64) \ |
| V(MachUint64) \ |
| V(MachAnyTagged) \ |
| V(RepBit) \ |
| V(RepWord8) \ |
| V(RepWord16) \ |
| V(RepWord32) \ |
| V(RepWord64) \ |
| V(RepFloat32) \ |
| V(RepFloat64) \ |
| V(RepTagged) |
| |
| |
| struct MachineOperatorGlobalCache { |
| #define PURE(Name, properties, value_input_count, control_input_count, \ |
| output_count) \ |
| struct Name##Operator FINAL : public Operator { \ |
| Name##Operator() \ |
| : Operator(IrOpcode::k##Name, Operator::kPure | properties, #Name, \ |
| value_input_count, 0, control_input_count, output_count, 0, \ |
| 0) {} \ |
| }; \ |
| Name##Operator k##Name; |
| PURE_OP_LIST(PURE) |
| #undef PURE |
| |
| #define LOAD(Type) \ |
| struct Load##Type##Operator FINAL : public Operator1<LoadRepresentation> { \ |
| Load##Type##Operator() \ |
| : Operator1<LoadRepresentation>( \ |
| IrOpcode::kLoad, Operator::kNoThrow | Operator::kNoWrite, \ |
| "Load", 2, 1, 1, 1, 1, 0, k##Type) {} \ |
| }; \ |
| struct CheckedLoad##Type##Operator FINAL \ |
| : public Operator1<CheckedLoadRepresentation> { \ |
| CheckedLoad##Type##Operator() \ |
| : Operator1<CheckedLoadRepresentation>( \ |
| IrOpcode::kCheckedLoad, Operator::kNoThrow | Operator::kNoWrite, \ |
| "CheckedLoad", 3, 1, 1, 1, 1, 0, k##Type) {} \ |
| }; \ |
| Load##Type##Operator kLoad##Type; \ |
| CheckedLoad##Type##Operator kCheckedLoad##Type; |
| MACHINE_TYPE_LIST(LOAD) |
| #undef LOAD |
| |
| #define STORE(Type) \ |
| struct Store##Type##Operator : public Operator1<StoreRepresentation> { \ |
| explicit Store##Type##Operator(WriteBarrierKind write_barrier_kind) \ |
| : Operator1<StoreRepresentation>( \ |
| IrOpcode::kStore, Operator::kNoRead | Operator::kNoThrow, \ |
| "Store", 3, 1, 1, 0, 1, 0, \ |
| StoreRepresentation(k##Type, write_barrier_kind)) {} \ |
| }; \ |
| struct Store##Type##NoWriteBarrier##Operator FINAL \ |
| : public Store##Type##Operator { \ |
| Store##Type##NoWriteBarrier##Operator() \ |
| : Store##Type##Operator(kNoWriteBarrier) {} \ |
| }; \ |
| struct Store##Type##FullWriteBarrier##Operator FINAL \ |
| : public Store##Type##Operator { \ |
| Store##Type##FullWriteBarrier##Operator() \ |
| : Store##Type##Operator(kFullWriteBarrier) {} \ |
| }; \ |
| struct CheckedStore##Type##Operator FINAL \ |
| : public Operator1<CheckedStoreRepresentation> { \ |
| CheckedStore##Type##Operator() \ |
| : Operator1<CheckedStoreRepresentation>( \ |
| IrOpcode::kCheckedStore, Operator::kNoRead | Operator::kNoThrow, \ |
| "CheckedStore", 4, 1, 1, 0, 1, 0, k##Type) {} \ |
| }; \ |
| Store##Type##NoWriteBarrier##Operator kStore##Type##NoWriteBarrier; \ |
| Store##Type##FullWriteBarrier##Operator kStore##Type##FullWriteBarrier; \ |
| CheckedStore##Type##Operator kCheckedStore##Type; |
| MACHINE_TYPE_LIST(STORE) |
| #undef STORE |
| }; |
| |
| |
| static base::LazyInstance<MachineOperatorGlobalCache>::type kCache = |
| LAZY_INSTANCE_INITIALIZER; |
| |
| |
| MachineOperatorBuilder::MachineOperatorBuilder(Zone* zone, MachineType word, |
| Flags flags) |
| : zone_(zone), cache_(kCache.Get()), word_(word), flags_(flags) { |
| DCHECK(word == kRepWord32 || word == kRepWord64); |
| } |
| |
| |
| #define PURE(Name, properties, value_input_count, control_input_count, \ |
| output_count) \ |
| const Operator* MachineOperatorBuilder::Name() { return &cache_.k##Name; } |
| PURE_OP_LIST(PURE) |
| #undef PURE |
| |
| |
| const Operator* MachineOperatorBuilder::Load(LoadRepresentation rep) { |
| switch (rep) { |
| #define LOAD(Type) \ |
| case k##Type: \ |
| return &cache_.kLoad##Type; |
| MACHINE_TYPE_LIST(LOAD) |
| #undef LOAD |
| default: |
| break; |
| } |
| // Uncached. |
| return new (zone_) Operator1<LoadRepresentation>( // -- |
| IrOpcode::kLoad, Operator::kNoThrow | Operator::kNoWrite, "Load", 2, 1, 1, |
| 1, 1, 0, rep); |
| } |
| |
| |
| const Operator* MachineOperatorBuilder::Store(StoreRepresentation rep) { |
| switch (rep.machine_type()) { |
| #define STORE(Type) \ |
| case k##Type: \ |
| switch (rep.write_barrier_kind()) { \ |
| case kNoWriteBarrier: \ |
| return &cache_.k##Store##Type##NoWriteBarrier; \ |
| case kFullWriteBarrier: \ |
| return &cache_.k##Store##Type##FullWriteBarrier; \ |
| } \ |
| break; |
| MACHINE_TYPE_LIST(STORE) |
| #undef STORE |
| |
| default: |
| break; |
| } |
| // Uncached. |
| return new (zone_) Operator1<StoreRepresentation>( // -- |
| IrOpcode::kStore, Operator::kNoRead | Operator::kNoThrow, "Store", 3, 1, |
| 1, 0, 1, 0, rep); |
| } |
| |
| |
| const Operator* MachineOperatorBuilder::CheckedLoad( |
| CheckedLoadRepresentation rep) { |
| switch (rep) { |
| #define LOAD(Type) \ |
| case k##Type: \ |
| return &cache_.kCheckedLoad##Type; |
| MACHINE_TYPE_LIST(LOAD) |
| #undef LOAD |
| default: |
| break; |
| } |
| // Uncached. |
| return new (zone_) Operator1<CheckedLoadRepresentation>( |
| IrOpcode::kCheckedLoad, Operator::kNoThrow | Operator::kNoWrite, |
| "CheckedLoad", 3, 1, 1, 1, 1, 0, rep); |
| } |
| |
| |
| const Operator* MachineOperatorBuilder::CheckedStore( |
| CheckedStoreRepresentation rep) { |
| switch (rep) { |
| #define STORE(Type) \ |
| case k##Type: \ |
| return &cache_.kCheckedStore##Type; |
| MACHINE_TYPE_LIST(STORE) |
| #undef STORE |
| default: |
| break; |
| } |
| // Uncached. |
| return new (zone_) Operator1<CheckedStoreRepresentation>( |
| IrOpcode::kCheckedStore, Operator::kNoRead | Operator::kNoThrow, |
| "CheckedStore", 4, 1, 1, 0, 1, 0, rep); |
| } |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |