| // Copyright 2015 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/interpreter/interpreter.h" |
| |
| #include "src/ast/prettyprinter.h" |
| #include "src/code-factory.h" |
| #include "src/compiler.h" |
| #include "src/factory.h" |
| #include "src/interpreter/bytecode-generator.h" |
| #include "src/interpreter/bytecodes.h" |
| #include "src/interpreter/interpreter-assembler.h" |
| #include "src/zone.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace interpreter { |
| |
| using compiler::Node; |
| |
| #define __ assembler-> |
| |
| Interpreter::Interpreter(Isolate* isolate) : isolate_(isolate) { |
| memset(&dispatch_table_, 0, sizeof(dispatch_table_)); |
| } |
| |
| void Interpreter::Initialize() { |
| DCHECK(FLAG_ignition); |
| if (IsDispatchTableInitialized()) return; |
| Zone zone; |
| HandleScope scope(isolate_); |
| |
| #define GENERATE_CODE(Name, ...) \ |
| { \ |
| InterpreterAssembler assembler(isolate_, &zone, Bytecode::k##Name); \ |
| Do##Name(&assembler); \ |
| Handle<Code> code = assembler.GenerateCode(); \ |
| TraceCodegen(code, #Name); \ |
| dispatch_table_[Bytecodes::ToByte(Bytecode::k##Name)] = *code; \ |
| } |
| BYTECODE_LIST(GENERATE_CODE) |
| #undef GENERATE_CODE |
| } |
| |
| Code* Interpreter::GetBytecodeHandler(Bytecode bytecode) { |
| DCHECK(IsDispatchTableInitialized()); |
| return dispatch_table_[Bytecodes::ToByte(bytecode)]; |
| } |
| |
| void Interpreter::IterateDispatchTable(ObjectVisitor* v) { |
| v->VisitPointers( |
| reinterpret_cast<Object**>(&dispatch_table_[0]), |
| reinterpret_cast<Object**>(&dispatch_table_[0] + kDispatchTableSize)); |
| } |
| |
| // static |
| int Interpreter::InterruptBudget() { |
| // TODO(ignition): Tune code size multiplier. |
| const int kCodeSizeMultiplier = 32; |
| return FLAG_interrupt_budget * kCodeSizeMultiplier; |
| } |
| |
| bool Interpreter::MakeBytecode(CompilationInfo* info) { |
| if (FLAG_print_bytecode || FLAG_print_source || FLAG_print_ast) { |
| OFStream os(stdout); |
| base::SmartArrayPointer<char> name = info->GetDebugName(); |
| os << "[generating bytecode for function: " << info->GetDebugName().get() |
| << "]" << std::endl |
| << std::flush; |
| } |
| |
| #ifdef DEBUG |
| if (info->parse_info() && FLAG_print_source) { |
| OFStream os(stdout); |
| os << "--- Source from AST ---" << std::endl |
| << PrettyPrinter(info->isolate()).PrintProgram(info->literal()) |
| << std::endl |
| << std::flush; |
| } |
| |
| if (info->parse_info() && FLAG_print_ast) { |
| OFStream os(stdout); |
| os << "--- AST ---" << std::endl |
| << AstPrinter(info->isolate()).PrintProgram(info->literal()) << std::endl |
| << std::flush; |
| } |
| #endif // DEBUG |
| |
| BytecodeGenerator generator(info->isolate(), info->zone()); |
| info->EnsureFeedbackVector(); |
| Handle<BytecodeArray> bytecodes = generator.MakeBytecode(info); |
| if (FLAG_print_bytecode) { |
| OFStream os(stdout); |
| bytecodes->Print(os); |
| os << std::flush; |
| } |
| |
| info->SetBytecodeArray(bytecodes); |
| info->SetCode(info->isolate()->builtins()->InterpreterEntryTrampoline()); |
| return true; |
| } |
| |
| bool Interpreter::IsDispatchTableInitialized() { |
| if (FLAG_trace_ignition) { |
| // Regenerate table to add bytecode tracing operations. |
| return false; |
| } |
| return dispatch_table_[0] != nullptr; |
| } |
| |
| void Interpreter::TraceCodegen(Handle<Code> code, const char* name) { |
| #ifdef ENABLE_DISASSEMBLER |
| if (FLAG_trace_ignition_codegen) { |
| OFStream os(stdout); |
| code->Disassemble(name, os); |
| os << std::flush; |
| } |
| #endif // ENABLE_DISASSEMBLER |
| } |
| |
| // LdaZero |
| // |
| // Load literal '0' into the accumulator. |
| void Interpreter::DoLdaZero(InterpreterAssembler* assembler) { |
| Node* zero_value = __ NumberConstant(0.0); |
| __ SetAccumulator(zero_value); |
| __ Dispatch(); |
| } |
| |
| |
| // LdaSmi8 <imm8> |
| // |
| // Load an 8-bit integer literal into the accumulator as a Smi. |
| void Interpreter::DoLdaSmi8(InterpreterAssembler* assembler) { |
| Node* raw_int = __ BytecodeOperandImm(0); |
| Node* smi_int = __ SmiTag(raw_int); |
| __ SetAccumulator(smi_int); |
| __ Dispatch(); |
| } |
| |
| void Interpreter::DoLoadConstant(InterpreterAssembler* assembler) { |
| Node* index = __ BytecodeOperandIdx(0); |
| Node* constant = __ LoadConstantPoolEntry(index); |
| __ SetAccumulator(constant); |
| __ Dispatch(); |
| } |
| |
| |
| // LdaConstant <idx> |
| // |
| // Load constant literal at |idx| in the constant pool into the accumulator. |
| void Interpreter::DoLdaConstant(InterpreterAssembler* assembler) { |
| DoLoadConstant(assembler); |
| } |
| |
| |
| // LdaConstantWide <idx> |
| // |
| // Load constant literal at |idx| in the constant pool into the accumulator. |
| void Interpreter::DoLdaConstantWide(InterpreterAssembler* assembler) { |
| DoLoadConstant(assembler); |
| } |
| |
| |
| // LdaUndefined |
| // |
| // Load Undefined into the accumulator. |
| void Interpreter::DoLdaUndefined(InterpreterAssembler* assembler) { |
| Node* undefined_value = |
| __ HeapConstant(isolate_->factory()->undefined_value()); |
| __ SetAccumulator(undefined_value); |
| __ Dispatch(); |
| } |
| |
| |
| // LdaNull |
| // |
| // Load Null into the accumulator. |
| void Interpreter::DoLdaNull(InterpreterAssembler* assembler) { |
| Node* null_value = __ HeapConstant(isolate_->factory()->null_value()); |
| __ SetAccumulator(null_value); |
| __ Dispatch(); |
| } |
| |
| |
| // LdaTheHole |
| // |
| // Load TheHole into the accumulator. |
| void Interpreter::DoLdaTheHole(InterpreterAssembler* assembler) { |
| Node* the_hole_value = __ HeapConstant(isolate_->factory()->the_hole_value()); |
| __ SetAccumulator(the_hole_value); |
| __ Dispatch(); |
| } |
| |
| |
| // LdaTrue |
| // |
| // Load True into the accumulator. |
| void Interpreter::DoLdaTrue(InterpreterAssembler* assembler) { |
| Node* true_value = __ HeapConstant(isolate_->factory()->true_value()); |
| __ SetAccumulator(true_value); |
| __ Dispatch(); |
| } |
| |
| |
| // LdaFalse |
| // |
| // Load False into the accumulator. |
| void Interpreter::DoLdaFalse(InterpreterAssembler* assembler) { |
| Node* false_value = __ HeapConstant(isolate_->factory()->false_value()); |
| __ SetAccumulator(false_value); |
| __ Dispatch(); |
| } |
| |
| |
| // Ldar <src> |
| // |
| // Load accumulator with value from register <src>. |
| void Interpreter::DoLdar(InterpreterAssembler* assembler) { |
| Node* reg_index = __ BytecodeOperandReg(0); |
| Node* value = __ LoadRegister(reg_index); |
| __ SetAccumulator(value); |
| __ Dispatch(); |
| } |
| |
| |
| // Star <dst> |
| // |
| // Store accumulator to register <dst>. |
| void Interpreter::DoStar(InterpreterAssembler* assembler) { |
| Node* reg_index = __ BytecodeOperandReg(0); |
| Node* accumulator = __ GetAccumulator(); |
| __ StoreRegister(accumulator, reg_index); |
| __ Dispatch(); |
| } |
| |
| |
| // Mov <src> <dst> |
| // |
| // Stores the value of register <src> to register <dst>. |
| void Interpreter::DoMov(InterpreterAssembler* assembler) { |
| Node* src_index = __ BytecodeOperandReg(0); |
| Node* src_value = __ LoadRegister(src_index); |
| Node* dst_index = __ BytecodeOperandReg(1); |
| __ StoreRegister(src_value, dst_index); |
| __ Dispatch(); |
| } |
| |
| |
| // MovWide <src> <dst> |
| // |
| // Stores the value of register <src> to register <dst>. |
| void Interpreter::DoMovWide(InterpreterAssembler* assembler) { |
| DoMov(assembler); |
| } |
| |
| void Interpreter::DoLoadGlobal(Callable ic, InterpreterAssembler* assembler) { |
| // Get the global object. |
| Node* context = __ GetContext(); |
| Node* native_context = |
| __ LoadContextSlot(context, Context::NATIVE_CONTEXT_INDEX); |
| Node* global = __ LoadContextSlot(native_context, Context::EXTENSION_INDEX); |
| |
| // Load the global via the LoadIC. |
| Node* code_target = __ HeapConstant(ic.code()); |
| Node* constant_index = __ BytecodeOperandIdx(0); |
| Node* name = __ LoadConstantPoolEntry(constant_index); |
| Node* raw_slot = __ BytecodeOperandIdx(1); |
| Node* smi_slot = __ SmiTag(raw_slot); |
| Node* type_feedback_vector = __ LoadTypeFeedbackVector(); |
| Node* result = __ CallStub(ic.descriptor(), code_target, context, global, |
| name, smi_slot, type_feedback_vector); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| // LdaGlobal <name_index> <slot> |
| // |
| // Load the global with name in constant pool entry <name_index> into the |
| // accumulator using FeedBackVector slot <slot> outside of a typeof. |
| void Interpreter::DoLdaGlobal(InterpreterAssembler* assembler) { |
| Callable ic = CodeFactory::LoadICInOptimizedCode(isolate_, NOT_INSIDE_TYPEOF, |
| UNINITIALIZED); |
| DoLoadGlobal(ic, assembler); |
| } |
| |
| // LdaGlobalInsideTypeof <name_index> <slot> |
| // |
| // Load the global with name in constant pool entry <name_index> into the |
| // accumulator using FeedBackVector slot <slot> inside of a typeof. |
| void Interpreter::DoLdaGlobalInsideTypeof(InterpreterAssembler* assembler) { |
| Callable ic = CodeFactory::LoadICInOptimizedCode(isolate_, INSIDE_TYPEOF, |
| UNINITIALIZED); |
| DoLoadGlobal(ic, assembler); |
| } |
| |
| // LdaGlobalWide <name_index> <slot> |
| // |
| // Load the global with name in constant pool entry <name_index> into the |
| // accumulator using FeedBackVector slot <slot> outside of a typeof. |
| void Interpreter::DoLdaGlobalWide(InterpreterAssembler* assembler) { |
| Callable ic = CodeFactory::LoadICInOptimizedCode(isolate_, NOT_INSIDE_TYPEOF, |
| UNINITIALIZED); |
| DoLoadGlobal(ic, assembler); |
| } |
| |
| // LdaGlobalInsideTypeofWide <name_index> <slot> |
| // |
| // Load the global with name in constant pool entry <name_index> into the |
| // accumulator using FeedBackVector slot <slot> inside of a typeof. |
| void Interpreter::DoLdaGlobalInsideTypeofWide(InterpreterAssembler* assembler) { |
| Callable ic = CodeFactory::LoadICInOptimizedCode(isolate_, INSIDE_TYPEOF, |
| UNINITIALIZED); |
| DoLoadGlobal(ic, assembler); |
| } |
| |
| |
| void Interpreter::DoStoreGlobal(Callable ic, InterpreterAssembler* assembler) { |
| // Get the global object. |
| Node* context = __ GetContext(); |
| Node* native_context = |
| __ LoadContextSlot(context, Context::NATIVE_CONTEXT_INDEX); |
| Node* global = __ LoadContextSlot(native_context, Context::EXTENSION_INDEX); |
| |
| // Store the global via the StoreIC. |
| Node* code_target = __ HeapConstant(ic.code()); |
| Node* constant_index = __ BytecodeOperandIdx(0); |
| Node* name = __ LoadConstantPoolEntry(constant_index); |
| Node* value = __ GetAccumulator(); |
| Node* raw_slot = __ BytecodeOperandIdx(1); |
| Node* smi_slot = __ SmiTag(raw_slot); |
| Node* type_feedback_vector = __ LoadTypeFeedbackVector(); |
| __ CallStub(ic.descriptor(), code_target, context, global, name, value, |
| smi_slot, type_feedback_vector); |
| |
| __ Dispatch(); |
| } |
| |
| |
| // StaGlobalSloppy <name_index> <slot> |
| // |
| // Store the value in the accumulator into the global with name in constant pool |
| // entry <name_index> using FeedBackVector slot <slot> in sloppy mode. |
| void Interpreter::DoStaGlobalSloppy(InterpreterAssembler* assembler) { |
| Callable ic = |
| CodeFactory::StoreICInOptimizedCode(isolate_, SLOPPY, UNINITIALIZED); |
| DoStoreGlobal(ic, assembler); |
| } |
| |
| |
| // StaGlobalStrict <name_index> <slot> |
| // |
| // Store the value in the accumulator into the global with name in constant pool |
| // entry <name_index> using FeedBackVector slot <slot> in strict mode. |
| void Interpreter::DoStaGlobalStrict(InterpreterAssembler* assembler) { |
| Callable ic = |
| CodeFactory::StoreICInOptimizedCode(isolate_, STRICT, UNINITIALIZED); |
| DoStoreGlobal(ic, assembler); |
| } |
| |
| |
| // StaGlobalSloppyWide <name_index> <slot> |
| // |
| // Store the value in the accumulator into the global with name in constant pool |
| // entry <name_index> using FeedBackVector slot <slot> in sloppy mode. |
| void Interpreter::DoStaGlobalSloppyWide(InterpreterAssembler* assembler) { |
| Callable ic = |
| CodeFactory::StoreICInOptimizedCode(isolate_, SLOPPY, UNINITIALIZED); |
| DoStoreGlobal(ic, assembler); |
| } |
| |
| |
| // StaGlobalStrictWide <name_index> <slot> |
| // |
| // Store the value in the accumulator into the global with name in constant pool |
| // entry <name_index> using FeedBackVector slot <slot> in strict mode. |
| void Interpreter::DoStaGlobalStrictWide(InterpreterAssembler* assembler) { |
| Callable ic = |
| CodeFactory::StoreICInOptimizedCode(isolate_, STRICT, UNINITIALIZED); |
| DoStoreGlobal(ic, assembler); |
| } |
| |
| |
| // LdaContextSlot <context> <slot_index> |
| // |
| // Load the object in |slot_index| of |context| into the accumulator. |
| void Interpreter::DoLdaContextSlot(InterpreterAssembler* assembler) { |
| Node* reg_index = __ BytecodeOperandReg(0); |
| Node* context = __ LoadRegister(reg_index); |
| Node* slot_index = __ BytecodeOperandIdx(1); |
| Node* result = __ LoadContextSlot(context, slot_index); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // LdaContextSlotWide <context> <slot_index> |
| // |
| // Load the object in |slot_index| of |context| into the accumulator. |
| void Interpreter::DoLdaContextSlotWide(InterpreterAssembler* assembler) { |
| DoLdaContextSlot(assembler); |
| } |
| |
| |
| // StaContextSlot <context> <slot_index> |
| // |
| // Stores the object in the accumulator into |slot_index| of |context|. |
| void Interpreter::DoStaContextSlot(InterpreterAssembler* assembler) { |
| Node* value = __ GetAccumulator(); |
| Node* reg_index = __ BytecodeOperandReg(0); |
| Node* context = __ LoadRegister(reg_index); |
| Node* slot_index = __ BytecodeOperandIdx(1); |
| __ StoreContextSlot(context, slot_index, value); |
| __ Dispatch(); |
| } |
| |
| |
| // StaContextSlot <context> <slot_index> |
| // |
| // Stores the object in the accumulator into |slot_index| of |context|. |
| void Interpreter::DoStaContextSlotWide(InterpreterAssembler* assembler) { |
| DoStaContextSlot(assembler); |
| } |
| |
| void Interpreter::DoLoadLookupSlot(Runtime::FunctionId function_id, |
| InterpreterAssembler* assembler) { |
| Node* index = __ BytecodeOperandIdx(0); |
| Node* name = __ LoadConstantPoolEntry(index); |
| Node* context = __ GetContext(); |
| Node* result = __ CallRuntime(function_id, context, name); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // LdaLookupSlot <name_index> |
| // |
| // Lookup the object with the name in constant pool entry |name_index| |
| // dynamically. |
| void Interpreter::DoLdaLookupSlot(InterpreterAssembler* assembler) { |
| DoLoadLookupSlot(Runtime::kLoadLookupSlot, assembler); |
| } |
| |
| |
| // LdaLookupSlotInsideTypeof <name_index> |
| // |
| // Lookup the object with the name in constant pool entry |name_index| |
| // dynamically without causing a NoReferenceError. |
| void Interpreter::DoLdaLookupSlotInsideTypeof(InterpreterAssembler* assembler) { |
| DoLoadLookupSlot(Runtime::kLoadLookupSlotInsideTypeof, assembler); |
| } |
| |
| |
| // LdaLookupSlotWide <name_index> |
| // |
| // Lookup the object with the name in constant pool entry |name_index| |
| // dynamically. |
| void Interpreter::DoLdaLookupSlotWide(InterpreterAssembler* assembler) { |
| DoLdaLookupSlot(assembler); |
| } |
| |
| |
| // LdaLookupSlotInsideTypeofWide <name_index> |
| // |
| // Lookup the object with the name in constant pool entry |name_index| |
| // dynamically without causing a NoReferenceError. |
| void Interpreter::DoLdaLookupSlotInsideTypeofWide( |
| InterpreterAssembler* assembler) { |
| DoLdaLookupSlotInsideTypeof(assembler); |
| } |
| |
| void Interpreter::DoStoreLookupSlot(LanguageMode language_mode, |
| InterpreterAssembler* assembler) { |
| Node* value = __ GetAccumulator(); |
| Node* index = __ BytecodeOperandIdx(0); |
| Node* name = __ LoadConstantPoolEntry(index); |
| Node* context = __ GetContext(); |
| Node* result = __ CallRuntime(is_strict(language_mode) |
| ? Runtime::kStoreLookupSlot_Strict |
| : Runtime::kStoreLookupSlot_Sloppy, |
| context, name, value); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // StaLookupSlotSloppy <name_index> |
| // |
| // Store the object in accumulator to the object with the name in constant |
| // pool entry |name_index| in sloppy mode. |
| void Interpreter::DoStaLookupSlotSloppy(InterpreterAssembler* assembler) { |
| DoStoreLookupSlot(LanguageMode::SLOPPY, assembler); |
| } |
| |
| |
| // StaLookupSlotStrict <name_index> |
| // |
| // Store the object in accumulator to the object with the name in constant |
| // pool entry |name_index| in strict mode. |
| void Interpreter::DoStaLookupSlotStrict(InterpreterAssembler* assembler) { |
| DoStoreLookupSlot(LanguageMode::STRICT, assembler); |
| } |
| |
| |
| // StaLookupSlotSloppyWide <name_index> |
| // |
| // Store the object in accumulator to the object with the name in constant |
| // pool entry |name_index| in sloppy mode. |
| void Interpreter::DoStaLookupSlotSloppyWide(InterpreterAssembler* assembler) { |
| DoStaLookupSlotSloppy(assembler); |
| } |
| |
| |
| // StaLookupSlotStrictWide <name_index> |
| // |
| // Store the object in accumulator to the object with the name in constant |
| // pool entry |name_index| in strict mode. |
| void Interpreter::DoStaLookupSlotStrictWide(InterpreterAssembler* assembler) { |
| DoStaLookupSlotStrict(assembler); |
| } |
| |
| void Interpreter::DoLoadIC(Callable ic, InterpreterAssembler* assembler) { |
| Node* code_target = __ HeapConstant(ic.code()); |
| Node* register_index = __ BytecodeOperandReg(0); |
| Node* object = __ LoadRegister(register_index); |
| Node* constant_index = __ BytecodeOperandIdx(1); |
| Node* name = __ LoadConstantPoolEntry(constant_index); |
| Node* raw_slot = __ BytecodeOperandIdx(2); |
| Node* smi_slot = __ SmiTag(raw_slot); |
| Node* type_feedback_vector = __ LoadTypeFeedbackVector(); |
| Node* context = __ GetContext(); |
| Node* result = __ CallStub(ic.descriptor(), code_target, context, object, |
| name, smi_slot, type_feedback_vector); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| // LoadIC <object> <name_index> <slot> |
| // |
| // Calls the LoadIC at FeedBackVector slot <slot> for <object> and the name at |
| // constant pool entry <name_index>. |
| void Interpreter::DoLoadIC(InterpreterAssembler* assembler) { |
| Callable ic = CodeFactory::LoadICInOptimizedCode(isolate_, NOT_INSIDE_TYPEOF, |
| UNINITIALIZED); |
| DoLoadIC(ic, assembler); |
| } |
| |
| // LoadICWide <object> <name_index> <slot> |
| // |
| // Calls the LoadIC at FeedBackVector slot <slot> for <object> and the name at |
| // constant pool entry <name_index>. |
| void Interpreter::DoLoadICWide(InterpreterAssembler* assembler) { |
| Callable ic = CodeFactory::LoadICInOptimizedCode(isolate_, NOT_INSIDE_TYPEOF, |
| UNINITIALIZED); |
| DoLoadIC(ic, assembler); |
| } |
| |
| |
| void Interpreter::DoKeyedLoadIC(Callable ic, InterpreterAssembler* assembler) { |
| Node* code_target = __ HeapConstant(ic.code()); |
| Node* reg_index = __ BytecodeOperandReg(0); |
| Node* object = __ LoadRegister(reg_index); |
| Node* name = __ GetAccumulator(); |
| Node* raw_slot = __ BytecodeOperandIdx(1); |
| Node* smi_slot = __ SmiTag(raw_slot); |
| Node* type_feedback_vector = __ LoadTypeFeedbackVector(); |
| Node* context = __ GetContext(); |
| Node* result = __ CallStub(ic.descriptor(), code_target, context, object, |
| name, smi_slot, type_feedback_vector); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| // KeyedLoadIC <object> <slot> |
| // |
| // Calls the KeyedLoadIC at FeedBackVector slot <slot> for <object> and the key |
| // in the accumulator. |
| void Interpreter::DoKeyedLoadIC(InterpreterAssembler* assembler) { |
| Callable ic = |
| CodeFactory::KeyedLoadICInOptimizedCode(isolate_, UNINITIALIZED); |
| DoKeyedLoadIC(ic, assembler); |
| } |
| |
| // KeyedLoadICWide <object> <slot> |
| // |
| // Calls the KeyedLoadIC at FeedBackVector slot <slot> for <object> and the key |
| // in the accumulator. |
| void Interpreter::DoKeyedLoadICWide(InterpreterAssembler* assembler) { |
| Callable ic = |
| CodeFactory::KeyedLoadICInOptimizedCode(isolate_, UNINITIALIZED); |
| DoKeyedLoadIC(ic, assembler); |
| } |
| |
| |
| void Interpreter::DoStoreIC(Callable ic, InterpreterAssembler* assembler) { |
| Node* code_target = __ HeapConstant(ic.code()); |
| Node* object_reg_index = __ BytecodeOperandReg(0); |
| Node* object = __ LoadRegister(object_reg_index); |
| Node* constant_index = __ BytecodeOperandIdx(1); |
| Node* name = __ LoadConstantPoolEntry(constant_index); |
| Node* value = __ GetAccumulator(); |
| Node* raw_slot = __ BytecodeOperandIdx(2); |
| Node* smi_slot = __ SmiTag(raw_slot); |
| Node* type_feedback_vector = __ LoadTypeFeedbackVector(); |
| Node* context = __ GetContext(); |
| __ CallStub(ic.descriptor(), code_target, context, object, name, value, |
| smi_slot, type_feedback_vector); |
| __ Dispatch(); |
| } |
| |
| |
| // StoreICSloppy <object> <name_index> <slot> |
| // |
| // Calls the sloppy mode StoreIC at FeedBackVector slot <slot> for <object> and |
| // the name in constant pool entry <name_index> with the value in the |
| // accumulator. |
| void Interpreter::DoStoreICSloppy(InterpreterAssembler* assembler) { |
| Callable ic = |
| CodeFactory::StoreICInOptimizedCode(isolate_, SLOPPY, UNINITIALIZED); |
| DoStoreIC(ic, assembler); |
| } |
| |
| |
| // StoreICStrict <object> <name_index> <slot> |
| // |
| // Calls the strict mode StoreIC at FeedBackVector slot <slot> for <object> and |
| // the name in constant pool entry <name_index> with the value in the |
| // accumulator. |
| void Interpreter::DoStoreICStrict(InterpreterAssembler* assembler) { |
| Callable ic = |
| CodeFactory::StoreICInOptimizedCode(isolate_, STRICT, UNINITIALIZED); |
| DoStoreIC(ic, assembler); |
| } |
| |
| |
| // StoreICSloppyWide <object> <name_index> <slot> |
| // |
| // Calls the sloppy mode StoreIC at FeedBackVector slot <slot> for <object> and |
| // the name in constant pool entry <name_index> with the value in the |
| // accumulator. |
| void Interpreter::DoStoreICSloppyWide(InterpreterAssembler* assembler) { |
| Callable ic = |
| CodeFactory::StoreICInOptimizedCode(isolate_, SLOPPY, UNINITIALIZED); |
| DoStoreIC(ic, assembler); |
| } |
| |
| |
| // StoreICStrictWide <object> <name_index> <slot> |
| // |
| // Calls the strict mode StoreIC at FeedBackVector slot <slot> for <object> and |
| // the name in constant pool entry <name_index> with the value in the |
| // accumulator. |
| void Interpreter::DoStoreICStrictWide(InterpreterAssembler* assembler) { |
| Callable ic = |
| CodeFactory::StoreICInOptimizedCode(isolate_, STRICT, UNINITIALIZED); |
| DoStoreIC(ic, assembler); |
| } |
| |
| void Interpreter::DoKeyedStoreIC(Callable ic, InterpreterAssembler* assembler) { |
| Node* code_target = __ HeapConstant(ic.code()); |
| Node* object_reg_index = __ BytecodeOperandReg(0); |
| Node* object = __ LoadRegister(object_reg_index); |
| Node* name_reg_index = __ BytecodeOperandReg(1); |
| Node* name = __ LoadRegister(name_reg_index); |
| Node* value = __ GetAccumulator(); |
| Node* raw_slot = __ BytecodeOperandIdx(2); |
| Node* smi_slot = __ SmiTag(raw_slot); |
| Node* type_feedback_vector = __ LoadTypeFeedbackVector(); |
| Node* context = __ GetContext(); |
| __ CallStub(ic.descriptor(), code_target, context, object, name, value, |
| smi_slot, type_feedback_vector); |
| __ Dispatch(); |
| } |
| |
| |
| // KeyedStoreICSloppy <object> <key> <slot> |
| // |
| // Calls the sloppy mode KeyStoreIC at FeedBackVector slot <slot> for <object> |
| // and the key <key> with the value in the accumulator. |
| void Interpreter::DoKeyedStoreICSloppy(InterpreterAssembler* assembler) { |
| Callable ic = |
| CodeFactory::KeyedStoreICInOptimizedCode(isolate_, SLOPPY, UNINITIALIZED); |
| DoKeyedStoreIC(ic, assembler); |
| } |
| |
| |
| // KeyedStoreICStore <object> <key> <slot> |
| // |
| // Calls the strict mode KeyStoreIC at FeedBackVector slot <slot> for <object> |
| // and the key <key> with the value in the accumulator. |
| void Interpreter::DoKeyedStoreICStrict(InterpreterAssembler* assembler) { |
| Callable ic = |
| CodeFactory::KeyedStoreICInOptimizedCode(isolate_, STRICT, UNINITIALIZED); |
| DoKeyedStoreIC(ic, assembler); |
| } |
| |
| |
| // KeyedStoreICSloppyWide <object> <key> <slot> |
| // |
| // Calls the sloppy mode KeyStoreIC at FeedBackVector slot <slot> for <object> |
| // and the key <key> with the value in the accumulator. |
| void Interpreter::DoKeyedStoreICSloppyWide(InterpreterAssembler* assembler) { |
| Callable ic = |
| CodeFactory::KeyedStoreICInOptimizedCode(isolate_, SLOPPY, UNINITIALIZED); |
| DoKeyedStoreIC(ic, assembler); |
| } |
| |
| |
| // KeyedStoreICStoreWide <object> <key> <slot> |
| // |
| // Calls the strict mode KeyStoreIC at FeedBackVector slot <slot> for <object> |
| // and the key <key> with the value in the accumulator. |
| void Interpreter::DoKeyedStoreICStrictWide(InterpreterAssembler* assembler) { |
| Callable ic = |
| CodeFactory::KeyedStoreICInOptimizedCode(isolate_, STRICT, UNINITIALIZED); |
| DoKeyedStoreIC(ic, assembler); |
| } |
| |
| // PushContext <context> |
| // |
| // Saves the current context in <context>, and pushes the accumulator as the |
| // new current context. |
| void Interpreter::DoPushContext(InterpreterAssembler* assembler) { |
| Node* reg_index = __ BytecodeOperandReg(0); |
| Node* new_context = __ GetAccumulator(); |
| Node* old_context = __ GetContext(); |
| __ StoreRegister(old_context, reg_index); |
| __ SetContext(new_context); |
| __ Dispatch(); |
| } |
| |
| |
| // PopContext <context> |
| // |
| // Pops the current context and sets <context> as the new context. |
| void Interpreter::DoPopContext(InterpreterAssembler* assembler) { |
| Node* reg_index = __ BytecodeOperandReg(0); |
| Node* context = __ LoadRegister(reg_index); |
| __ SetContext(context); |
| __ Dispatch(); |
| } |
| |
| void Interpreter::DoBinaryOp(Runtime::FunctionId function_id, |
| InterpreterAssembler* assembler) { |
| // TODO(rmcilroy): Call ICs which back-patch bytecode with type specialized |
| // operations, instead of calling builtins directly. |
| Node* reg_index = __ BytecodeOperandReg(0); |
| Node* lhs = __ LoadRegister(reg_index); |
| Node* rhs = __ GetAccumulator(); |
| Node* context = __ GetContext(); |
| Node* result = __ CallRuntime(function_id, context, lhs, rhs); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // Add <src> |
| // |
| // Add register <src> to accumulator. |
| void Interpreter::DoAdd(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kAdd, assembler); |
| } |
| |
| |
| // Sub <src> |
| // |
| // Subtract register <src> from accumulator. |
| void Interpreter::DoSub(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kSubtract, assembler); |
| } |
| |
| |
| // Mul <src> |
| // |
| // Multiply accumulator by register <src>. |
| void Interpreter::DoMul(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kMultiply, assembler); |
| } |
| |
| |
| // Div <src> |
| // |
| // Divide register <src> by accumulator. |
| void Interpreter::DoDiv(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kDivide, assembler); |
| } |
| |
| |
| // Mod <src> |
| // |
| // Modulo register <src> by accumulator. |
| void Interpreter::DoMod(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kModulus, assembler); |
| } |
| |
| |
| // BitwiseOr <src> |
| // |
| // BitwiseOr register <src> to accumulator. |
| void Interpreter::DoBitwiseOr(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kBitwiseOr, assembler); |
| } |
| |
| |
| // BitwiseXor <src> |
| // |
| // BitwiseXor register <src> to accumulator. |
| void Interpreter::DoBitwiseXor(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kBitwiseXor, assembler); |
| } |
| |
| |
| // BitwiseAnd <src> |
| // |
| // BitwiseAnd register <src> to accumulator. |
| void Interpreter::DoBitwiseAnd(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kBitwiseAnd, assembler); |
| } |
| |
| |
| // ShiftLeft <src> |
| // |
| // Left shifts register <src> by the count specified in the accumulator. |
| // Register <src> is converted to an int32 and the accumulator to uint32 |
| // before the operation. 5 lsb bits from the accumulator are used as count |
| // i.e. <src> << (accumulator & 0x1F). |
| void Interpreter::DoShiftLeft(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kShiftLeft, assembler); |
| } |
| |
| |
| // ShiftRight <src> |
| // |
| // Right shifts register <src> by the count specified in the accumulator. |
| // Result is sign extended. Register <src> is converted to an int32 and the |
| // accumulator to uint32 before the operation. 5 lsb bits from the accumulator |
| // are used as count i.e. <src> >> (accumulator & 0x1F). |
| void Interpreter::DoShiftRight(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kShiftRight, assembler); |
| } |
| |
| |
| // ShiftRightLogical <src> |
| // |
| // Right Shifts register <src> by the count specified in the accumulator. |
| // Result is zero-filled. The accumulator and register <src> are converted to |
| // uint32 before the operation 5 lsb bits from the accumulator are used as |
| // count i.e. <src> << (accumulator & 0x1F). |
| void Interpreter::DoShiftRightLogical(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kShiftRightLogical, assembler); |
| } |
| |
| void Interpreter::DoCountOp(Runtime::FunctionId function_id, |
| InterpreterAssembler* assembler) { |
| Node* value = __ GetAccumulator(); |
| Node* one = __ NumberConstant(1); |
| Node* context = __ GetContext(); |
| Node* result = __ CallRuntime(function_id, context, value, one); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // Inc |
| // |
| // Increments value in the accumulator by one. |
| void Interpreter::DoInc(InterpreterAssembler* assembler) { |
| DoCountOp(Runtime::kAdd, assembler); |
| } |
| |
| |
| // Dec |
| // |
| // Decrements value in the accumulator by one. |
| void Interpreter::DoDec(InterpreterAssembler* assembler) { |
| DoCountOp(Runtime::kSubtract, assembler); |
| } |
| |
| |
| // LogicalNot |
| // |
| // Perform logical-not on the accumulator, first casting the |
| // accumulator to a boolean value if required. |
| void Interpreter::DoLogicalNot(InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* context = __ GetContext(); |
| Node* result = |
| __ CallRuntime(Runtime::kInterpreterLogicalNot, context, accumulator); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // TypeOf |
| // |
| // Load the accumulator with the string representating type of the |
| // object in the accumulator. |
| void Interpreter::DoTypeOf(InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* context = __ GetContext(); |
| Node* result = |
| __ CallRuntime(Runtime::kInterpreterTypeOf, context, accumulator); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| void Interpreter::DoDelete(Runtime::FunctionId function_id, |
| InterpreterAssembler* assembler) { |
| Node* reg_index = __ BytecodeOperandReg(0); |
| Node* object = __ LoadRegister(reg_index); |
| Node* key = __ GetAccumulator(); |
| Node* context = __ GetContext(); |
| Node* result = __ CallRuntime(function_id, context, object, key); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // DeletePropertyStrict |
| // |
| // Delete the property specified in the accumulator from the object |
| // referenced by the register operand following strict mode semantics. |
| void Interpreter::DoDeletePropertyStrict(InterpreterAssembler* assembler) { |
| DoDelete(Runtime::kDeleteProperty_Strict, assembler); |
| } |
| |
| |
| // DeletePropertySloppy |
| // |
| // Delete the property specified in the accumulator from the object |
| // referenced by the register operand following sloppy mode semantics. |
| void Interpreter::DoDeletePropertySloppy(InterpreterAssembler* assembler) { |
| DoDelete(Runtime::kDeleteProperty_Sloppy, assembler); |
| } |
| |
| void Interpreter::DoJSCall(InterpreterAssembler* assembler, |
| TailCallMode tail_call_mode) { |
| Node* function_reg = __ BytecodeOperandReg(0); |
| Node* function = __ LoadRegister(function_reg); |
| Node* receiver_reg = __ BytecodeOperandReg(1); |
| Node* receiver_arg = __ RegisterLocation(receiver_reg); |
| Node* receiver_args_count = __ BytecodeOperandCount(2); |
| Node* receiver_count = __ Int32Constant(1); |
| Node* args_count = __ Int32Sub(receiver_args_count, receiver_count); |
| Node* context = __ GetContext(); |
| // TODO(rmcilroy): Use the call type feedback slot to call via CallStub. |
| Node* result = |
| __ CallJS(function, context, receiver_arg, args_count, tail_call_mode); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // Call <callable> <receiver> <arg_count> |
| // |
| // Call a JSfunction or Callable in |callable| with the |receiver| and |
| // |arg_count| arguments in subsequent registers. |
| void Interpreter::DoCall(InterpreterAssembler* assembler) { |
| DoJSCall(assembler, TailCallMode::kDisallow); |
| } |
| |
| |
| // CallWide <callable> <receiver> <arg_count> |
| // |
| // Call a JSfunction or Callable in |callable| with the |receiver| and |
| // |arg_count| arguments in subsequent registers. |
| void Interpreter::DoCallWide(InterpreterAssembler* assembler) { |
| DoJSCall(assembler, TailCallMode::kDisallow); |
| } |
| |
| // TailCall <callable> <receiver> <arg_count> |
| // |
| // Tail call a JSfunction or Callable in |callable| with the |receiver| and |
| // |arg_count| arguments in subsequent registers. |
| void Interpreter::DoTailCall(InterpreterAssembler* assembler) { |
| DoJSCall(assembler, TailCallMode::kAllow); |
| } |
| |
| // TailCallWide <callable> <receiver> <arg_count> |
| // |
| // Tail call a JSfunction or Callable in |callable| with the |receiver| and |
| // |arg_count| arguments in subsequent registers. |
| void Interpreter::DoTailCallWide(InterpreterAssembler* assembler) { |
| DoJSCall(assembler, TailCallMode::kAllow); |
| } |
| |
| void Interpreter::DoCallRuntimeCommon(InterpreterAssembler* assembler) { |
| Node* function_id = __ BytecodeOperandIdx(0); |
| Node* first_arg_reg = __ BytecodeOperandReg(1); |
| Node* first_arg = __ RegisterLocation(first_arg_reg); |
| Node* args_count = __ BytecodeOperandCount(2); |
| Node* context = __ GetContext(); |
| Node* result = __ CallRuntimeN(function_id, context, first_arg, args_count); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // CallRuntime <function_id> <first_arg> <arg_count> |
| // |
| // Call the runtime function |function_id| with the first argument in |
| // register |first_arg| and |arg_count| arguments in subsequent |
| // registers. |
| void Interpreter::DoCallRuntime(InterpreterAssembler* assembler) { |
| DoCallRuntimeCommon(assembler); |
| } |
| |
| |
| // CallRuntime <function_id> <first_arg> <arg_count> |
| // |
| // Call the runtime function |function_id| with the first argument in |
| // register |first_arg| and |arg_count| arguments in subsequent |
| // registers. |
| void Interpreter::DoCallRuntimeWide(InterpreterAssembler* assembler) { |
| DoCallRuntimeCommon(assembler); |
| } |
| |
| void Interpreter::DoCallRuntimeForPairCommon(InterpreterAssembler* assembler) { |
| // Call the runtime function. |
| Node* function_id = __ BytecodeOperandIdx(0); |
| Node* first_arg_reg = __ BytecodeOperandReg(1); |
| Node* first_arg = __ RegisterLocation(first_arg_reg); |
| Node* args_count = __ BytecodeOperandCount(2); |
| Node* context = __ GetContext(); |
| Node* result_pair = |
| __ CallRuntimeN(function_id, context, first_arg, args_count, 2); |
| |
| // Store the results in <first_return> and <first_return + 1> |
| Node* first_return_reg = __ BytecodeOperandReg(3); |
| Node* second_return_reg = __ NextRegister(first_return_reg); |
| Node* result0 = __ Projection(0, result_pair); |
| Node* result1 = __ Projection(1, result_pair); |
| __ StoreRegister(result0, first_return_reg); |
| __ StoreRegister(result1, second_return_reg); |
| __ Dispatch(); |
| } |
| |
| |
| // CallRuntimeForPair <function_id> <first_arg> <arg_count> <first_return> |
| // |
| // Call the runtime function |function_id| which returns a pair, with the |
| // first argument in register |first_arg| and |arg_count| arguments in |
| // subsequent registers. Returns the result in <first_return> and |
| // <first_return + 1> |
| void Interpreter::DoCallRuntimeForPair(InterpreterAssembler* assembler) { |
| DoCallRuntimeForPairCommon(assembler); |
| } |
| |
| |
| // CallRuntimeForPairWide <function_id> <first_arg> <arg_count> <first_return> |
| // |
| // Call the runtime function |function_id| which returns a pair, with the |
| // first argument in register |first_arg| and |arg_count| arguments in |
| // subsequent registers. Returns the result in <first_return> and |
| // <first_return + 1> |
| void Interpreter::DoCallRuntimeForPairWide(InterpreterAssembler* assembler) { |
| DoCallRuntimeForPairCommon(assembler); |
| } |
| |
| void Interpreter::DoCallJSRuntimeCommon(InterpreterAssembler* assembler) { |
| Node* context_index = __ BytecodeOperandIdx(0); |
| Node* receiver_reg = __ BytecodeOperandReg(1); |
| Node* first_arg = __ RegisterLocation(receiver_reg); |
| Node* receiver_args_count = __ BytecodeOperandCount(2); |
| Node* receiver_count = __ Int32Constant(1); |
| Node* args_count = __ Int32Sub(receiver_args_count, receiver_count); |
| |
| // Get the function to call from the native context. |
| Node* context = __ GetContext(); |
| Node* native_context = |
| __ LoadContextSlot(context, Context::NATIVE_CONTEXT_INDEX); |
| Node* function = __ LoadContextSlot(native_context, context_index); |
| |
| // Call the function. |
| Node* result = __ CallJS(function, context, first_arg, args_count, |
| TailCallMode::kDisallow); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // CallJSRuntime <context_index> <receiver> <arg_count> |
| // |
| // Call the JS runtime function that has the |context_index| with the receiver |
| // in register |receiver| and |arg_count| arguments in subsequent registers. |
| void Interpreter::DoCallJSRuntime(InterpreterAssembler* assembler) { |
| DoCallJSRuntimeCommon(assembler); |
| } |
| |
| |
| // CallJSRuntimeWide <context_index> <receiver> <arg_count> |
| // |
| // Call the JS runtime function that has the |context_index| with the receiver |
| // in register |receiver| and |arg_count| arguments in subsequent registers. |
| void Interpreter::DoCallJSRuntimeWide(InterpreterAssembler* assembler) { |
| DoCallJSRuntimeCommon(assembler); |
| } |
| |
| void Interpreter::DoCallConstruct(InterpreterAssembler* assembler) { |
| Callable ic = CodeFactory::InterpreterPushArgsAndConstruct(isolate_); |
| Node* new_target = __ GetAccumulator(); |
| Node* constructor_reg = __ BytecodeOperandReg(0); |
| Node* constructor = __ LoadRegister(constructor_reg); |
| Node* first_arg_reg = __ BytecodeOperandReg(1); |
| Node* first_arg = __ RegisterLocation(first_arg_reg); |
| Node* args_count = __ BytecodeOperandCount(2); |
| Node* context = __ GetContext(); |
| Node* result = |
| __ CallConstruct(constructor, context, new_target, first_arg, args_count); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // New <constructor> <first_arg> <arg_count> |
| // |
| // Call operator new with |constructor| and the first argument in |
| // register |first_arg| and |arg_count| arguments in subsequent |
| // registers. The new.target is in the accumulator. |
| // |
| void Interpreter::DoNew(InterpreterAssembler* assembler) { |
| DoCallConstruct(assembler); |
| } |
| |
| |
| // NewWide <constructor> <first_arg> <arg_count> |
| // |
| // Call operator new with |constructor| and the first argument in |
| // register |first_arg| and |arg_count| arguments in subsequent |
| // registers. The new.target is in the accumulator. |
| // |
| void Interpreter::DoNewWide(InterpreterAssembler* assembler) { |
| DoCallConstruct(assembler); |
| } |
| |
| |
| // TestEqual <src> |
| // |
| // Test if the value in the <src> register equals the accumulator. |
| void Interpreter::DoTestEqual(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kEqual, assembler); |
| } |
| |
| |
| // TestNotEqual <src> |
| // |
| // Test if the value in the <src> register is not equal to the accumulator. |
| void Interpreter::DoTestNotEqual(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kNotEqual, assembler); |
| } |
| |
| |
| // TestEqualStrict <src> |
| // |
| // Test if the value in the <src> register is strictly equal to the accumulator. |
| void Interpreter::DoTestEqualStrict(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kStrictEqual, assembler); |
| } |
| |
| |
| // TestNotEqualStrict <src> |
| // |
| // Test if the value in the <src> register is not strictly equal to the |
| // accumulator. |
| void Interpreter::DoTestNotEqualStrict(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kStrictNotEqual, assembler); |
| } |
| |
| |
| // TestLessThan <src> |
| // |
| // Test if the value in the <src> register is less than the accumulator. |
| void Interpreter::DoTestLessThan(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kLessThan, assembler); |
| } |
| |
| |
| // TestGreaterThan <src> |
| // |
| // Test if the value in the <src> register is greater than the accumulator. |
| void Interpreter::DoTestGreaterThan(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kGreaterThan, assembler); |
| } |
| |
| |
| // TestLessThanOrEqual <src> |
| // |
| // Test if the value in the <src> register is less than or equal to the |
| // accumulator. |
| void Interpreter::DoTestLessThanOrEqual(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kLessThanOrEqual, assembler); |
| } |
| |
| |
| // TestGreaterThanOrEqual <src> |
| // |
| // Test if the value in the <src> register is greater than or equal to the |
| // accumulator. |
| void Interpreter::DoTestGreaterThanOrEqual(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kGreaterThanOrEqual, assembler); |
| } |
| |
| |
| // TestIn <src> |
| // |
| // Test if the object referenced by the register operand is a property of the |
| // object referenced by the accumulator. |
| void Interpreter::DoTestIn(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kHasProperty, assembler); |
| } |
| |
| |
| // TestInstanceOf <src> |
| // |
| // Test if the object referenced by the <src> register is an an instance of type |
| // referenced by the accumulator. |
| void Interpreter::DoTestInstanceOf(InterpreterAssembler* assembler) { |
| DoBinaryOp(Runtime::kInstanceOf, assembler); |
| } |
| |
| |
| // ToName |
| // |
| // Cast the object referenced by the accumulator to a name. |
| void Interpreter::DoToName(InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* context = __ GetContext(); |
| Node* result = __ CallRuntime(Runtime::kToName, context, accumulator); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // ToNumber |
| // |
| // Cast the object referenced by the accumulator to a number. |
| void Interpreter::DoToNumber(InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* context = __ GetContext(); |
| Node* result = __ CallRuntime(Runtime::kToNumber, context, accumulator); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // ToObject |
| // |
| // Cast the object referenced by the accumulator to a JSObject. |
| void Interpreter::DoToObject(InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* context = __ GetContext(); |
| Node* result = __ CallRuntime(Runtime::kToObject, context, accumulator); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // Jump <imm8> |
| // |
| // Jump by number of bytes represented by the immediate operand |imm8|. |
| void Interpreter::DoJump(InterpreterAssembler* assembler) { |
| Node* relative_jump = __ BytecodeOperandImm(0); |
| __ Jump(relative_jump); |
| } |
| |
| |
| // JumpConstant <idx8> |
| // |
| // Jump by number of bytes in the Smi in the |idx8| entry in the constant pool. |
| void Interpreter::DoJumpConstant(InterpreterAssembler* assembler) { |
| Node* index = __ BytecodeOperandIdx(0); |
| Node* constant = __ LoadConstantPoolEntry(index); |
| Node* relative_jump = __ SmiUntag(constant); |
| __ Jump(relative_jump); |
| } |
| |
| |
| // JumpConstantWide <idx16> |
| // |
| // Jump by number of bytes in the Smi in the |idx16| entry in the |
| // constant pool. |
| void Interpreter::DoJumpConstantWide(InterpreterAssembler* assembler) { |
| DoJumpConstant(assembler); |
| } |
| |
| |
| // JumpIfTrue <imm8> |
| // |
| // Jump by number of bytes represented by an immediate operand if the |
| // accumulator contains true. |
| void Interpreter::DoJumpIfTrue(InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* relative_jump = __ BytecodeOperandImm(0); |
| Node* true_value = __ BooleanConstant(true); |
| __ JumpIfWordEqual(accumulator, true_value, relative_jump); |
| } |
| |
| |
| // JumpIfTrueConstant <idx8> |
| // |
| // Jump by number of bytes in the Smi in the |idx8| entry in the constant pool |
| // if the accumulator contains true. |
| void Interpreter::DoJumpIfTrueConstant(InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* index = __ BytecodeOperandIdx(0); |
| Node* constant = __ LoadConstantPoolEntry(index); |
| Node* relative_jump = __ SmiUntag(constant); |
| Node* true_value = __ BooleanConstant(true); |
| __ JumpIfWordEqual(accumulator, true_value, relative_jump); |
| } |
| |
| |
| // JumpIfTrueConstantWide <idx16> |
| // |
| // Jump by number of bytes in the Smi in the |idx16| entry in the constant pool |
| // if the accumulator contains true. |
| void Interpreter::DoJumpIfTrueConstantWide(InterpreterAssembler* assembler) { |
| DoJumpIfTrueConstant(assembler); |
| } |
| |
| |
| // JumpIfFalse <imm8> |
| // |
| // Jump by number of bytes represented by an immediate operand if the |
| // accumulator contains false. |
| void Interpreter::DoJumpIfFalse(InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* relative_jump = __ BytecodeOperandImm(0); |
| Node* false_value = __ BooleanConstant(false); |
| __ JumpIfWordEqual(accumulator, false_value, relative_jump); |
| } |
| |
| |
| // JumpIfFalseConstant <idx8> |
| // |
| // Jump by number of bytes in the Smi in the |idx8| entry in the constant pool |
| // if the accumulator contains false. |
| void Interpreter::DoJumpIfFalseConstant(InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* index = __ BytecodeOperandIdx(0); |
| Node* constant = __ LoadConstantPoolEntry(index); |
| Node* relative_jump = __ SmiUntag(constant); |
| Node* false_value = __ BooleanConstant(false); |
| __ JumpIfWordEqual(accumulator, false_value, relative_jump); |
| } |
| |
| |
| // JumpIfFalseConstant <idx16> |
| // |
| // Jump by number of bytes in the Smi in the |idx16| entry in the constant pool |
| // if the accumulator contains false. |
| void Interpreter::DoJumpIfFalseConstantWide(InterpreterAssembler* assembler) { |
| DoJumpIfFalseConstant(assembler); |
| } |
| |
| |
| // JumpIfToBooleanTrue <imm8> |
| // |
| // Jump by number of bytes represented by an immediate operand if the object |
| // referenced by the accumulator is true when the object is cast to boolean. |
| void Interpreter::DoJumpIfToBooleanTrue(InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* context = __ GetContext(); |
| Node* to_boolean_value = |
| __ CallRuntime(Runtime::kInterpreterToBoolean, context, accumulator); |
| Node* relative_jump = __ BytecodeOperandImm(0); |
| Node* true_value = __ BooleanConstant(true); |
| __ JumpIfWordEqual(to_boolean_value, true_value, relative_jump); |
| } |
| |
| |
| // JumpIfToBooleanTrueConstant <idx8> |
| // |
| // Jump by number of bytes in the Smi in the |idx8| entry in the constant pool |
| // if the object referenced by the accumulator is true when the object is cast |
| // to boolean. |
| void Interpreter::DoJumpIfToBooleanTrueConstant( |
| InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* context = __ GetContext(); |
| Node* to_boolean_value = |
| __ CallRuntime(Runtime::kInterpreterToBoolean, context, accumulator); |
| Node* index = __ BytecodeOperandIdx(0); |
| Node* constant = __ LoadConstantPoolEntry(index); |
| Node* relative_jump = __ SmiUntag(constant); |
| Node* true_value = __ BooleanConstant(true); |
| __ JumpIfWordEqual(to_boolean_value, true_value, relative_jump); |
| } |
| |
| |
| // JumpIfToBooleanTrueConstantWide <idx16> |
| // |
| // Jump by number of bytes in the Smi in the |idx16| entry in the constant pool |
| // if the object referenced by the accumulator is true when the object is cast |
| // to boolean. |
| void Interpreter::DoJumpIfToBooleanTrueConstantWide( |
| InterpreterAssembler* assembler) { |
| DoJumpIfToBooleanTrueConstant(assembler); |
| } |
| |
| |
| // JumpIfToBooleanFalse <imm8> |
| // |
| // Jump by number of bytes represented by an immediate operand if the object |
| // referenced by the accumulator is false when the object is cast to boolean. |
| void Interpreter::DoJumpIfToBooleanFalse(InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* context = __ GetContext(); |
| Node* to_boolean_value = |
| __ CallRuntime(Runtime::kInterpreterToBoolean, context, accumulator); |
| Node* relative_jump = __ BytecodeOperandImm(0); |
| Node* false_value = __ BooleanConstant(false); |
| __ JumpIfWordEqual(to_boolean_value, false_value, relative_jump); |
| } |
| |
| |
| // JumpIfToBooleanFalseConstant <idx8> |
| // |
| // Jump by number of bytes in the Smi in the |idx8| entry in the constant pool |
| // if the object referenced by the accumulator is false when the object is cast |
| // to boolean. |
| void Interpreter::DoJumpIfToBooleanFalseConstant( |
| InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* context = __ GetContext(); |
| Node* to_boolean_value = |
| __ CallRuntime(Runtime::kInterpreterToBoolean, context, accumulator); |
| Node* index = __ BytecodeOperandIdx(0); |
| Node* constant = __ LoadConstantPoolEntry(index); |
| Node* relative_jump = __ SmiUntag(constant); |
| Node* false_value = __ BooleanConstant(false); |
| __ JumpIfWordEqual(to_boolean_value, false_value, relative_jump); |
| } |
| |
| |
| // JumpIfToBooleanFalseConstantWide <idx16> |
| // |
| // Jump by number of bytes in the Smi in the |idx16| entry in the constant pool |
| // if the object referenced by the accumulator is false when the object is cast |
| // to boolean. |
| void Interpreter::DoJumpIfToBooleanFalseConstantWide( |
| InterpreterAssembler* assembler) { |
| DoJumpIfToBooleanFalseConstant(assembler); |
| } |
| |
| |
| // JumpIfNull <imm8> |
| // |
| // Jump by number of bytes represented by an immediate operand if the object |
| // referenced by the accumulator is the null constant. |
| void Interpreter::DoJumpIfNull(InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* null_value = __ HeapConstant(isolate_->factory()->null_value()); |
| Node* relative_jump = __ BytecodeOperandImm(0); |
| __ JumpIfWordEqual(accumulator, null_value, relative_jump); |
| } |
| |
| |
| // JumpIfNullConstant <idx8> |
| // |
| // Jump by number of bytes in the Smi in the |idx8| entry in the constant pool |
| // if the object referenced by the accumulator is the null constant. |
| void Interpreter::DoJumpIfNullConstant(InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* null_value = __ HeapConstant(isolate_->factory()->null_value()); |
| Node* index = __ BytecodeOperandIdx(0); |
| Node* constant = __ LoadConstantPoolEntry(index); |
| Node* relative_jump = __ SmiUntag(constant); |
| __ JumpIfWordEqual(accumulator, null_value, relative_jump); |
| } |
| |
| |
| // JumpIfNullConstantWide <idx16> |
| // |
| // Jump by number of bytes in the Smi in the |idx16| entry in the constant pool |
| // if the object referenced by the accumulator is the null constant. |
| void Interpreter::DoJumpIfNullConstantWide(InterpreterAssembler* assembler) { |
| DoJumpIfNullConstant(assembler); |
| } |
| |
| // JumpIfUndefined <imm8> |
| // |
| // Jump by number of bytes represented by an immediate operand if the object |
| // referenced by the accumulator is the undefined constant. |
| void Interpreter::DoJumpIfUndefined(InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* undefined_value = |
| __ HeapConstant(isolate_->factory()->undefined_value()); |
| Node* relative_jump = __ BytecodeOperandImm(0); |
| __ JumpIfWordEqual(accumulator, undefined_value, relative_jump); |
| } |
| |
| |
| // JumpIfUndefinedConstant <idx8> |
| // |
| // Jump by number of bytes in the Smi in the |idx8| entry in the constant pool |
| // if the object referenced by the accumulator is the undefined constant. |
| void Interpreter::DoJumpIfUndefinedConstant(InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* undefined_value = |
| __ HeapConstant(isolate_->factory()->undefined_value()); |
| Node* index = __ BytecodeOperandIdx(0); |
| Node* constant = __ LoadConstantPoolEntry(index); |
| Node* relative_jump = __ SmiUntag(constant); |
| __ JumpIfWordEqual(accumulator, undefined_value, relative_jump); |
| } |
| |
| |
| // JumpIfUndefinedConstantWide <idx16> |
| // |
| // Jump by number of bytes in the Smi in the |idx16| entry in the constant pool |
| // if the object referenced by the accumulator is the undefined constant. |
| void Interpreter::DoJumpIfUndefinedConstantWide( |
| InterpreterAssembler* assembler) { |
| DoJumpIfUndefinedConstant(assembler); |
| } |
| |
| // JumpIfNotHole <imm8> |
| // |
| // Jump by number of bytes represented by an immediate operand if the object |
| // referenced by the accumulator is the hole. |
| void Interpreter::DoJumpIfNotHole(InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* the_hole_value = __ HeapConstant(isolate_->factory()->the_hole_value()); |
| Node* relative_jump = __ BytecodeOperandImm(0); |
| __ JumpIfWordNotEqual(accumulator, the_hole_value, relative_jump); |
| } |
| |
| // JumpIfNotHoleConstant <idx8> |
| // |
| // Jump by number of bytes in the Smi in the |idx8| entry in the constant pool |
| // if the object referenced by the accumulator is the hole constant. |
| void Interpreter::DoJumpIfNotHoleConstant(InterpreterAssembler* assembler) { |
| Node* accumulator = __ GetAccumulator(); |
| Node* the_hole_value = __ HeapConstant(isolate_->factory()->the_hole_value()); |
| Node* index = __ BytecodeOperandIdx(0); |
| Node* constant = __ LoadConstantPoolEntry(index); |
| Node* relative_jump = __ SmiUntag(constant); |
| __ JumpIfWordNotEqual(accumulator, the_hole_value, relative_jump); |
| } |
| |
| // JumpIfNotHoleConstantWide <idx16> |
| // |
| // Jump by number of bytes in the Smi in the |idx16| entry in the constant pool |
| // if the object referenced by the accumulator is the hole constant. |
| void Interpreter::DoJumpIfNotHoleConstantWide(InterpreterAssembler* assembler) { |
| DoJumpIfNotHoleConstant(assembler); |
| } |
| |
| void Interpreter::DoCreateLiteral(Runtime::FunctionId function_id, |
| InterpreterAssembler* assembler) { |
| Node* index = __ BytecodeOperandIdx(0); |
| Node* constant_elements = __ LoadConstantPoolEntry(index); |
| Node* literal_index_raw = __ BytecodeOperandIdx(1); |
| Node* literal_index = __ SmiTag(literal_index_raw); |
| Node* flags_raw = __ BytecodeOperandImm(2); |
| Node* flags = __ SmiTag(flags_raw); |
| Node* closure = __ LoadRegister(Register::function_closure()); |
| Node* context = __ GetContext(); |
| Node* result = __ CallRuntime(function_id, context, closure, literal_index, |
| constant_elements, flags); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // CreateRegExpLiteral <pattern_idx> <literal_idx> <flags> |
| // |
| // Creates a regular expression literal for literal index <literal_idx> with |
| // <flags> and the pattern in <pattern_idx>. |
| void Interpreter::DoCreateRegExpLiteral(InterpreterAssembler* assembler) { |
| DoCreateLiteral(Runtime::kCreateRegExpLiteral, assembler); |
| } |
| |
| |
| // CreateRegExpLiteralWide <pattern_idx> <literal_idx> <flags> |
| // |
| // Creates a regular expression literal for literal index <literal_idx> with |
| // <flags> and the pattern in <pattern_idx>. |
| void Interpreter::DoCreateRegExpLiteralWide(InterpreterAssembler* assembler) { |
| DoCreateLiteral(Runtime::kCreateRegExpLiteral, assembler); |
| } |
| |
| |
| // CreateArrayLiteral <element_idx> <literal_idx> <flags> |
| // |
| // Creates an array literal for literal index <literal_idx> with flags <flags> |
| // and constant elements in <element_idx>. |
| void Interpreter::DoCreateArrayLiteral(InterpreterAssembler* assembler) { |
| DoCreateLiteral(Runtime::kCreateArrayLiteral, assembler); |
| } |
| |
| |
| // CreateArrayLiteralWide <element_idx> <literal_idx> <flags> |
| // |
| // Creates an array literal for literal index <literal_idx> with flags <flags> |
| // and constant elements in <element_idx>. |
| void Interpreter::DoCreateArrayLiteralWide(InterpreterAssembler* assembler) { |
| DoCreateLiteral(Runtime::kCreateArrayLiteral, assembler); |
| } |
| |
| |
| // CreateObjectLiteral <element_idx> <literal_idx> <flags> |
| // |
| // Creates an object literal for literal index <literal_idx> with flags <flags> |
| // and constant elements in <element_idx>. |
| void Interpreter::DoCreateObjectLiteral(InterpreterAssembler* assembler) { |
| DoCreateLiteral(Runtime::kCreateObjectLiteral, assembler); |
| } |
| |
| |
| // CreateObjectLiteralWide <element_idx> <literal_idx> <flags> |
| // |
| // Creates an object literal for literal index <literal_idx> with flags <flags> |
| // and constant elements in <element_idx>. |
| void Interpreter::DoCreateObjectLiteralWide(InterpreterAssembler* assembler) { |
| DoCreateLiteral(Runtime::kCreateObjectLiteral, assembler); |
| } |
| |
| |
| // CreateClosure <index> <tenured> |
| // |
| // Creates a new closure for SharedFunctionInfo at position |index| in the |
| // constant pool and with the PretenureFlag <tenured>. |
| void Interpreter::DoCreateClosure(InterpreterAssembler* assembler) { |
| // TODO(rmcilroy): Possibly call FastNewClosureStub when possible instead of |
| // calling into the runtime. |
| Node* index = __ BytecodeOperandIdx(0); |
| Node* shared = __ LoadConstantPoolEntry(index); |
| Node* tenured_raw = __ BytecodeOperandImm(1); |
| Node* tenured = __ SmiTag(tenured_raw); |
| Node* context = __ GetContext(); |
| Node* result = |
| __ CallRuntime(Runtime::kInterpreterNewClosure, context, shared, tenured); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // CreateClosureWide <index> <tenured> |
| // |
| // Creates a new closure for SharedFunctionInfo at position |index| in the |
| // constant pool and with the PretenureFlag <tenured>. |
| void Interpreter::DoCreateClosureWide(InterpreterAssembler* assembler) { |
| return DoCreateClosure(assembler); |
| } |
| |
| |
| // CreateMappedArguments |
| // |
| // Creates a new mapped arguments object. |
| void Interpreter::DoCreateMappedArguments(InterpreterAssembler* assembler) { |
| Node* closure = __ LoadRegister(Register::function_closure()); |
| Node* context = __ GetContext(); |
| Node* result = |
| __ CallRuntime(Runtime::kNewSloppyArguments_Generic, context, closure); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // CreateUnmappedArguments |
| // |
| // Creates a new unmapped arguments object. |
| void Interpreter::DoCreateUnmappedArguments(InterpreterAssembler* assembler) { |
| Callable callable = CodeFactory::FastNewStrictArguments(isolate_); |
| Node* target = __ HeapConstant(callable.code()); |
| Node* context = __ GetContext(); |
| Node* closure = __ LoadRegister(Register::function_closure()); |
| Node* result = __ CallStub(callable.descriptor(), target, context, closure); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| // CreateRestParameter |
| // |
| // Creates a new rest parameter array. |
| void Interpreter::DoCreateRestParameter(InterpreterAssembler* assembler) { |
| Callable callable = CodeFactory::FastNewRestParameter(isolate_); |
| Node* target = __ HeapConstant(callable.code()); |
| Node* closure = __ LoadRegister(Register::function_closure()); |
| Node* context = __ GetContext(); |
| Node* result = __ CallStub(callable.descriptor(), target, context, closure); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| // StackCheck |
| // |
| // Performs a stack guard check. |
| void Interpreter::DoStackCheck(InterpreterAssembler* assembler) { |
| __ StackCheck(); |
| __ Dispatch(); |
| } |
| |
| // Throw |
| // |
| // Throws the exception in the accumulator. |
| void Interpreter::DoThrow(InterpreterAssembler* assembler) { |
| Node* exception = __ GetAccumulator(); |
| Node* context = __ GetContext(); |
| __ CallRuntime(Runtime::kThrow, context, exception); |
| // We shouldn't ever return from a throw. |
| __ Abort(kUnexpectedReturnFromThrow); |
| } |
| |
| |
| // ReThrow |
| // |
| // Re-throws the exception in the accumulator. |
| void Interpreter::DoReThrow(InterpreterAssembler* assembler) { |
| Node* exception = __ GetAccumulator(); |
| Node* context = __ GetContext(); |
| __ CallRuntime(Runtime::kReThrow, context, exception); |
| // We shouldn't ever return from a throw. |
| __ Abort(kUnexpectedReturnFromThrow); |
| } |
| |
| |
| // Return |
| // |
| // Return the value in the accumulator. |
| void Interpreter::DoReturn(InterpreterAssembler* assembler) { |
| __ InterpreterReturn(); |
| } |
| |
| // Debugger |
| // |
| // Call runtime to handle debugger statement. |
| void Interpreter::DoDebugger(InterpreterAssembler* assembler) { |
| Node* context = __ GetContext(); |
| __ CallRuntime(Runtime::kHandleDebuggerStatement, context); |
| __ Dispatch(); |
| } |
| |
| // DebugBreak |
| // |
| // Call runtime to handle a debug break. |
| #define DEBUG_BREAK(Name, ...) \ |
| void Interpreter::Do##Name(InterpreterAssembler* assembler) { \ |
| Node* context = __ GetContext(); \ |
| Node* original_handler = __ CallRuntime(Runtime::kDebugBreak, context); \ |
| __ DispatchToBytecodeHandler(original_handler); \ |
| } |
| DEBUG_BREAK_BYTECODE_LIST(DEBUG_BREAK); |
| #undef DEBUG_BREAK |
| |
| // ForInPrepare <cache_info_triple> |
| // |
| // Returns state for for..in loop execution based on the object in the |
| // accumulator. The result is output in registers |cache_info_triple| to |
| // |cache_info_triple + 2|, with the registers holding cache_type, cache_array, |
| // and cache_length respectively. |
| void Interpreter::DoForInPrepare(InterpreterAssembler* assembler) { |
| Node* object = __ GetAccumulator(); |
| Node* context = __ GetContext(); |
| Node* result_triple = __ CallRuntime(Runtime::kForInPrepare, context, object); |
| |
| // Set output registers: |
| // 0 == cache_type, 1 == cache_array, 2 == cache_length |
| Node* output_register = __ BytecodeOperandReg(0); |
| for (int i = 0; i < 3; i++) { |
| Node* cache_info = __ Projection(i, result_triple); |
| __ StoreRegister(cache_info, output_register); |
| output_register = __ NextRegister(output_register); |
| } |
| __ Dispatch(); |
| } |
| |
| |
| // ForInPrepareWide <cache_info_triple> |
| // |
| // Returns state for for..in loop execution based on the object in the |
| // accumulator. The result is output in registers |cache_info_triple| to |
| // |cache_info_triple + 2|, with the registers holding cache_type, cache_array, |
| // and cache_length respectively. |
| void Interpreter::DoForInPrepareWide(InterpreterAssembler* assembler) { |
| DoForInPrepare(assembler); |
| } |
| |
| |
| // ForInNext <receiver> <index> <cache_info_pair> |
| // |
| // Returns the next enumerable property in the the accumulator. |
| void Interpreter::DoForInNext(InterpreterAssembler* assembler) { |
| Node* receiver_reg = __ BytecodeOperandReg(0); |
| Node* receiver = __ LoadRegister(receiver_reg); |
| Node* index_reg = __ BytecodeOperandReg(1); |
| Node* index = __ LoadRegister(index_reg); |
| Node* cache_type_reg = __ BytecodeOperandReg(2); |
| Node* cache_type = __ LoadRegister(cache_type_reg); |
| Node* cache_array_reg = __ NextRegister(cache_type_reg); |
| Node* cache_array = __ LoadRegister(cache_array_reg); |
| Node* context = __ GetContext(); |
| Node* result = __ CallRuntime(Runtime::kForInNext, context, receiver, |
| cache_array, cache_type, index); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // ForInNextWide <receiver> <index> <cache_info_pair> |
| // |
| // Returns the next enumerable property in the the accumulator. |
| void Interpreter::DoForInNextWide(InterpreterAssembler* assembler) { |
| return DoForInNext(assembler); |
| } |
| |
| |
| // ForInDone <index> <cache_length> |
| // |
| // Returns true if the end of the enumerable properties has been reached. |
| void Interpreter::DoForInDone(InterpreterAssembler* assembler) { |
| // TODO(oth): Implement directly rather than making a runtime call. |
| Node* index_reg = __ BytecodeOperandReg(0); |
| Node* index = __ LoadRegister(index_reg); |
| Node* cache_length_reg = __ BytecodeOperandReg(1); |
| Node* cache_length = __ LoadRegister(cache_length_reg); |
| Node* context = __ GetContext(); |
| Node* result = |
| __ CallRuntime(Runtime::kForInDone, context, index, cache_length); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| |
| // ForInStep <index> |
| // |
| // Increments the loop counter in register |index| and stores the result |
| // in the accumulator. |
| void Interpreter::DoForInStep(InterpreterAssembler* assembler) { |
| // TODO(oth): Implement directly rather than making a runtime call. |
| Node* index_reg = __ BytecodeOperandReg(0); |
| Node* index = __ LoadRegister(index_reg); |
| Node* context = __ GetContext(); |
| Node* result = __ CallRuntime(Runtime::kForInStep, context, index); |
| __ SetAccumulator(result); |
| __ Dispatch(); |
| } |
| |
| } // namespace interpreter |
| } // namespace internal |
| } // namespace v8 |