| // 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/js-operator.h" |
| |
| #include <limits> |
| |
| #include "src/base/lazy-instance.h" |
| #include "src/compiler/opcodes.h" |
| #include "src/compiler/operator.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace compiler { |
| |
| bool operator==(CallFunctionParameters const& lhs, |
| CallFunctionParameters const& rhs) { |
| return lhs.arity() == rhs.arity() && lhs.flags() == rhs.flags(); |
| } |
| |
| |
| bool operator!=(CallFunctionParameters const& lhs, |
| CallFunctionParameters const& rhs) { |
| return !(lhs == rhs); |
| } |
| |
| |
| size_t hash_value(CallFunctionParameters const& p) { |
| return base::hash_combine(p.arity(), p.flags()); |
| } |
| |
| |
| std::ostream& operator<<(std::ostream& os, CallFunctionParameters const& p) { |
| return os << p.arity() << ", " << p.flags(); |
| } |
| |
| |
| const CallFunctionParameters& CallFunctionParametersOf(const Operator* op) { |
| DCHECK_EQ(IrOpcode::kJSCallFunction, op->opcode()); |
| return OpParameter<CallFunctionParameters>(op); |
| } |
| |
| |
| bool operator==(CallRuntimeParameters const& lhs, |
| CallRuntimeParameters const& rhs) { |
| return lhs.id() == rhs.id() && lhs.arity() == rhs.arity(); |
| } |
| |
| |
| bool operator!=(CallRuntimeParameters const& lhs, |
| CallRuntimeParameters const& rhs) { |
| return !(lhs == rhs); |
| } |
| |
| |
| size_t hash_value(CallRuntimeParameters const& p) { |
| return base::hash_combine(p.id(), p.arity()); |
| } |
| |
| |
| std::ostream& operator<<(std::ostream& os, CallRuntimeParameters const& p) { |
| return os << p.id() << ", " << p.arity(); |
| } |
| |
| |
| const CallRuntimeParameters& CallRuntimeParametersOf(const Operator* op) { |
| DCHECK_EQ(IrOpcode::kJSCallRuntime, op->opcode()); |
| return OpParameter<CallRuntimeParameters>(op); |
| } |
| |
| |
| ContextAccess::ContextAccess(size_t depth, size_t index, bool immutable) |
| : immutable_(immutable), |
| depth_(static_cast<uint16_t>(depth)), |
| index_(static_cast<uint32_t>(index)) { |
| DCHECK(depth <= std::numeric_limits<uint16_t>::max()); |
| DCHECK(index <= std::numeric_limits<uint32_t>::max()); |
| } |
| |
| |
| bool operator==(ContextAccess const& lhs, ContextAccess const& rhs) { |
| return lhs.depth() == rhs.depth() && lhs.index() == rhs.index() && |
| lhs.immutable() == rhs.immutable(); |
| } |
| |
| |
| bool operator!=(ContextAccess const& lhs, ContextAccess const& rhs) { |
| return !(lhs == rhs); |
| } |
| |
| |
| size_t hash_value(ContextAccess const& access) { |
| return base::hash_combine(access.depth(), access.index(), access.immutable()); |
| } |
| |
| |
| std::ostream& operator<<(std::ostream& os, ContextAccess const& access) { |
| return os << access.depth() << ", " << access.index() << ", " |
| << access.immutable(); |
| } |
| |
| |
| ContextAccess const& ContextAccessOf(Operator const* op) { |
| DCHECK(op->opcode() == IrOpcode::kJSLoadContext || |
| op->opcode() == IrOpcode::kJSStoreContext); |
| return OpParameter<ContextAccess>(op); |
| } |
| |
| |
| bool operator==(VectorSlotPair const& lhs, VectorSlotPair const& rhs) { |
| return lhs.slot().ToInt() == rhs.slot().ToInt() && |
| lhs.vector().is_identical_to(rhs.vector()); |
| } |
| |
| |
| size_t hash_value(VectorSlotPair const& p) { |
| // TODO(mvstanton): include the vector in the hash. |
| base::hash<int> h; |
| return h(p.slot().ToInt()); |
| } |
| |
| |
| bool operator==(LoadNamedParameters const& lhs, |
| LoadNamedParameters const& rhs) { |
| return lhs.name() == rhs.name() && |
| lhs.contextual_mode() == rhs.contextual_mode() && |
| lhs.feedback() == rhs.feedback(); |
| } |
| |
| |
| bool operator!=(LoadNamedParameters const& lhs, |
| LoadNamedParameters const& rhs) { |
| return !(lhs == rhs); |
| } |
| |
| |
| size_t hash_value(LoadNamedParameters const& p) { |
| return base::hash_combine(p.name(), p.contextual_mode(), p.feedback()); |
| } |
| |
| |
| std::ostream& operator<<(std::ostream& os, LoadNamedParameters const& p) { |
| return os << Brief(*p.name().handle()) << ", " << p.contextual_mode(); |
| } |
| |
| |
| std::ostream& operator<<(std::ostream& os, LoadPropertyParameters const& p) { |
| // Nothing special to print. |
| return os; |
| } |
| |
| |
| bool operator==(LoadPropertyParameters const& lhs, |
| LoadPropertyParameters const& rhs) { |
| return lhs.feedback() == rhs.feedback(); |
| } |
| |
| |
| bool operator!=(LoadPropertyParameters const& lhs, |
| LoadPropertyParameters const& rhs) { |
| return !(lhs == rhs); |
| } |
| |
| |
| const LoadPropertyParameters& LoadPropertyParametersOf(const Operator* op) { |
| DCHECK_EQ(IrOpcode::kJSLoadProperty, op->opcode()); |
| return OpParameter<LoadPropertyParameters>(op); |
| } |
| |
| |
| size_t hash_value(LoadPropertyParameters const& p) { |
| return hash_value(p.feedback()); |
| } |
| |
| |
| const LoadNamedParameters& LoadNamedParametersOf(const Operator* op) { |
| DCHECK_EQ(IrOpcode::kJSLoadNamed, op->opcode()); |
| return OpParameter<LoadNamedParameters>(op); |
| } |
| |
| |
| bool operator==(StoreNamedParameters const& lhs, |
| StoreNamedParameters const& rhs) { |
| return lhs.strict_mode() == rhs.strict_mode() && lhs.name() == rhs.name(); |
| } |
| |
| |
| bool operator!=(StoreNamedParameters const& lhs, |
| StoreNamedParameters const& rhs) { |
| return !(lhs == rhs); |
| } |
| |
| |
| size_t hash_value(StoreNamedParameters const& p) { |
| return base::hash_combine(p.strict_mode(), p.name()); |
| } |
| |
| |
| std::ostream& operator<<(std::ostream& os, StoreNamedParameters const& p) { |
| return os << p.strict_mode() << ", " << Brief(*p.name().handle()); |
| } |
| |
| |
| const StoreNamedParameters& StoreNamedParametersOf(const Operator* op) { |
| DCHECK_EQ(IrOpcode::kJSStoreNamed, op->opcode()); |
| return OpParameter<StoreNamedParameters>(op); |
| } |
| |
| |
| #define CACHED_OP_LIST(V) \ |
| V(Equal, Operator::kNoProperties, 2, 1) \ |
| V(NotEqual, Operator::kNoProperties, 2, 1) \ |
| V(StrictEqual, Operator::kPure, 2, 1) \ |
| V(StrictNotEqual, Operator::kPure, 2, 1) \ |
| V(LessThan, Operator::kNoProperties, 2, 1) \ |
| V(GreaterThan, Operator::kNoProperties, 2, 1) \ |
| V(LessThanOrEqual, Operator::kNoProperties, 2, 1) \ |
| V(GreaterThanOrEqual, Operator::kNoProperties, 2, 1) \ |
| V(BitwiseOr, Operator::kNoProperties, 2, 1) \ |
| V(BitwiseXor, Operator::kNoProperties, 2, 1) \ |
| V(BitwiseAnd, Operator::kNoProperties, 2, 1) \ |
| V(ShiftLeft, Operator::kNoProperties, 2, 1) \ |
| V(ShiftRight, Operator::kNoProperties, 2, 1) \ |
| V(ShiftRightLogical, Operator::kNoProperties, 2, 1) \ |
| V(Add, Operator::kNoProperties, 2, 1) \ |
| V(Subtract, Operator::kNoProperties, 2, 1) \ |
| V(Multiply, Operator::kNoProperties, 2, 1) \ |
| V(Divide, Operator::kNoProperties, 2, 1) \ |
| V(Modulus, Operator::kNoProperties, 2, 1) \ |
| V(UnaryNot, Operator::kNoProperties, 1, 1) \ |
| V(ToBoolean, Operator::kNoProperties, 1, 1) \ |
| V(ToNumber, Operator::kNoProperties, 1, 1) \ |
| V(ToString, Operator::kNoProperties, 1, 1) \ |
| V(ToName, Operator::kNoProperties, 1, 1) \ |
| V(ToObject, Operator::kNoProperties, 1, 1) \ |
| V(Yield, Operator::kNoProperties, 1, 1) \ |
| V(Create, Operator::kEliminatable, 0, 1) \ |
| V(HasProperty, Operator::kNoProperties, 2, 1) \ |
| V(TypeOf, Operator::kPure, 1, 1) \ |
| V(InstanceOf, Operator::kNoProperties, 2, 1) \ |
| V(Debugger, Operator::kNoProperties, 0, 0) \ |
| V(CreateFunctionContext, Operator::kNoProperties, 1, 1) \ |
| V(CreateWithContext, Operator::kNoProperties, 2, 1) \ |
| V(CreateBlockContext, Operator::kNoProperties, 2, 1) \ |
| V(CreateModuleContext, Operator::kNoProperties, 2, 1) \ |
| V(CreateGlobalContext, Operator::kNoProperties, 2, 1) |
| |
| |
| struct JSOperatorGlobalCache FINAL { |
| #define CACHED(Name, properties, value_input_count, value_output_count) \ |
| struct Name##Operator FINAL : public Operator { \ |
| Name##Operator() \ |
| : Operator(IrOpcode::kJS##Name, properties, "JS" #Name, \ |
| value_input_count, Operator::ZeroIfPure(properties), \ |
| Operator::ZeroIfPure(properties), value_output_count, \ |
| Operator::ZeroIfPure(properties), 0) {} \ |
| }; \ |
| Name##Operator k##Name##Operator; |
| CACHED_OP_LIST(CACHED) |
| #undef CACHED |
| }; |
| |
| |
| static base::LazyInstance<JSOperatorGlobalCache>::type kCache = |
| LAZY_INSTANCE_INITIALIZER; |
| |
| |
| JSOperatorBuilder::JSOperatorBuilder(Zone* zone) |
| : cache_(kCache.Get()), zone_(zone) {} |
| |
| |
| #define CACHED(Name, properties, value_input_count, value_output_count) \ |
| const Operator* JSOperatorBuilder::Name() { \ |
| return &cache_.k##Name##Operator; \ |
| } |
| CACHED_OP_LIST(CACHED) |
| #undef CACHED |
| |
| |
| const Operator* JSOperatorBuilder::CallFunction(size_t arity, |
| CallFunctionFlags flags) { |
| CallFunctionParameters parameters(arity, flags); |
| return new (zone()) Operator1<CallFunctionParameters>( // -- |
| IrOpcode::kJSCallFunction, Operator::kNoProperties, // opcode |
| "JSCallFunction", // name |
| parameters.arity(), 1, 1, 1, 1, 0, // inputs/outputs |
| parameters); // parameter |
| } |
| |
| |
| const Operator* JSOperatorBuilder::CallRuntime(Runtime::FunctionId id, |
| size_t arity) { |
| CallRuntimeParameters parameters(id, arity); |
| const Runtime::Function* f = Runtime::FunctionForId(parameters.id()); |
| DCHECK(f->nargs == -1 || f->nargs == static_cast<int>(parameters.arity())); |
| return new (zone()) Operator1<CallRuntimeParameters>( // -- |
| IrOpcode::kJSCallRuntime, Operator::kNoProperties, // opcode |
| "JSCallRuntime", // name |
| parameters.arity(), 1, 1, f->result_size, 1, 0, // inputs/outputs |
| parameters); // parameter |
| } |
| |
| |
| const Operator* JSOperatorBuilder::CallConstruct(int arguments) { |
| return new (zone()) Operator1<int>( // -- |
| IrOpcode::kJSCallConstruct, Operator::kNoProperties, // opcode |
| "JSCallConstruct", // name |
| arguments, 1, 1, 1, 1, 0, // counts |
| arguments); // parameter |
| } |
| |
| |
| const Operator* JSOperatorBuilder::LoadNamed(const Unique<Name>& name, |
| const VectorSlotPair& feedback, |
| ContextualMode contextual_mode) { |
| LoadNamedParameters parameters(name, feedback, contextual_mode); |
| return new (zone()) Operator1<LoadNamedParameters>( // -- |
| IrOpcode::kJSLoadNamed, Operator::kNoProperties, // opcode |
| "JSLoadNamed", // name |
| 1, 1, 1, 1, 1, 0, // counts |
| parameters); // parameter |
| } |
| |
| |
| const Operator* JSOperatorBuilder::LoadProperty( |
| const VectorSlotPair& feedback) { |
| LoadPropertyParameters parameters(feedback); |
| return new (zone()) Operator1<LoadPropertyParameters>( // -- |
| IrOpcode::kJSLoadProperty, Operator::kNoProperties, // opcode |
| "JSLoadProperty", // name |
| 2, 1, 1, 1, 1, 0, // counts |
| parameters); // parameter |
| } |
| |
| |
| const Operator* JSOperatorBuilder::StoreProperty(StrictMode strict_mode) { |
| return new (zone()) Operator1<StrictMode>( // -- |
| IrOpcode::kJSStoreProperty, Operator::kNoProperties, // opcode |
| "JSStoreProperty", // name |
| 3, 1, 1, 0, 1, 0, // counts |
| strict_mode); // parameter |
| } |
| |
| |
| const Operator* JSOperatorBuilder::StoreNamed(StrictMode strict_mode, |
| const Unique<Name>& name) { |
| StoreNamedParameters parameters(strict_mode, name); |
| return new (zone()) Operator1<StoreNamedParameters>( // -- |
| IrOpcode::kJSStoreNamed, Operator::kNoProperties, // opcode |
| "JSStoreNamed", // name |
| 2, 1, 1, 0, 1, 0, // counts |
| parameters); // parameter |
| } |
| |
| |
| const Operator* JSOperatorBuilder::DeleteProperty(StrictMode strict_mode) { |
| return new (zone()) Operator1<StrictMode>( // -- |
| IrOpcode::kJSDeleteProperty, Operator::kNoProperties, // opcode |
| "JSDeleteProperty", // name |
| 2, 1, 1, 1, 1, 0, // counts |
| strict_mode); // parameter |
| } |
| |
| |
| const Operator* JSOperatorBuilder::LoadContext(size_t depth, size_t index, |
| bool immutable) { |
| ContextAccess access(depth, index, immutable); |
| return new (zone()) Operator1<ContextAccess>( // -- |
| IrOpcode::kJSLoadContext, Operator::kNoWrite, // opcode |
| "JSLoadContext", // name |
| 1, 1, 0, 1, 1, 0, // counts |
| access); // parameter |
| } |
| |
| |
| const Operator* JSOperatorBuilder::StoreContext(size_t depth, size_t index) { |
| ContextAccess access(depth, index, false); |
| return new (zone()) Operator1<ContextAccess>( // -- |
| IrOpcode::kJSStoreContext, Operator::kNoRead, // opcode |
| "JSStoreContext", // name |
| 2, 1, 1, 0, 1, 0, // counts |
| access); // parameter |
| } |
| |
| |
| const Operator* JSOperatorBuilder::CreateCatchContext( |
| const Unique<String>& name) { |
| return new (zone()) Operator1<Unique<String>>( // -- |
| IrOpcode::kJSCreateCatchContext, Operator::kNoProperties, // opcode |
| "JSCreateCatchContext", // name |
| 1, 1, 1, 1, 1, 0, // counts |
| name); // parameter |
| } |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |
