DisallowHandleDereference no_deref;
ASSERT(graph != NULL);
- SmartArrayPointer<char> bailout_reason;
+ BailoutReason bailout_reason = kNoReason;
if (!graph->Optimize(&bailout_reason)) {
- FATAL(bailout_reason.is_empty() ? "unknown" : *bailout_reason);
+ FATAL(GetBailoutReason(bailout_reason));
}
LChunk* chunk = LChunk::NewChunk(graph);
if (chunk == NULL) {
- FATAL(graph->info()->bailout_reason());
+ FATAL(GetBailoutReason(graph->info()->bailout_reason()));
}
return chunk;
}
}
~ArrayContextChecker() {
- checker_.ElseDeopt();
+ checker_.ElseDeopt("Array constructor called from different context");
checker_.End();
}
private:
};
HValue* BuildArrayConstructor(ElementsKind kind,
- bool disable_allocation_sites,
+ ContextCheckMode context_mode,
+ AllocationSiteOverrideMode override_mode,
ArgumentClass argument_class);
HValue* BuildInternalArrayConstructor(ElementsKind kind,
ArgumentClass argument_class);
// Update the static counter each time a new code stub is generated.
isolate()->counters()->code_stubs()->Increment();
- if (FLAG_trace_hydrogen) {
+ if (FLAG_trace_hydrogen_stubs) {
const char* name = CodeStub::MajorName(stub()->MajorKey(), false);
PrintF("-----------------------------------------------------------\n");
PrintF("Compiling stub %s using hydrogen\n", name);
isolate()->GetHTracer()->TraceCompilation(&info_);
}
- Zone* zone = this->zone();
int param_count = descriptor_->register_param_count_;
HEnvironment* start_environment = graph()->start_environment();
HBasicBlock* next_block = CreateBasicBlock(start_environment);
next_block->SetJoinId(BailoutId::StubEntry());
set_current_block(next_block);
- HConstant* undefined_constant = new(zone) HConstant(
- isolate()->factory()->undefined_value(), Representation::Tagged());
- AddInstruction(undefined_constant);
+ HConstant* undefined_constant =
+ Add<HConstant>(isolate()->factory()->undefined_value());
graph()->set_undefined_constant(undefined_constant);
for (int i = 0; i < param_count; ++i) {
HParameter* param =
- new(zone) HParameter(i, HParameter::REGISTER_PARAMETER);
- AddInstruction(param);
+ Add<HParameter>(i, HParameter::REGISTER_PARAMETER);
start_environment->Bind(i, param);
parameters_[i] = param;
}
HInstruction* stack_parameter_count;
if (descriptor_->stack_parameter_count_ != NULL) {
ASSERT(descriptor_->environment_length() == (param_count + 1));
- stack_parameter_count = new(zone) HParameter(param_count,
- HParameter::REGISTER_PARAMETER,
- Representation::Integer32());
+ stack_parameter_count = New<HParameter>(param_count,
+ HParameter::REGISTER_PARAMETER,
+ Representation::Integer32());
stack_parameter_count->set_type(HType::Smi());
// It's essential to bind this value to the environment in case of deopt.
AddInstruction(stack_parameter_count);
arguments_length_ = graph()->GetConstant0();
}
- context_ = new(zone) HContext();
+ context_ = New<HContext>();
AddInstruction(context_);
start_environment->BindContext(context_);
- AddSimulate(BailoutId::StubEntry());
+ Add<HSimulate>(BailoutId::StubEntry());
NoObservableSideEffectsScope no_effects(this);
if (!stack_parameter_count->IsConstant() &&
descriptor_->hint_stack_parameter_count_ < 0) {
HInstruction* amount = graph()->GetConstant1();
- stack_pop_count = AddInstruction(
- HAdd::New(zone, context_, stack_parameter_count, amount));
+ stack_pop_count = Add<HAdd>(stack_parameter_count, amount);
stack_pop_count->ChangeRepresentation(Representation::Integer32());
stack_pop_count->ClearFlag(HValue::kCanOverflow);
} else {
int count = descriptor_->hint_stack_parameter_count_;
- stack_pop_count = AddInstruction(new(zone)
- HConstant(count, Representation::Integer32()));
+ stack_pop_count = Add<HConstant>(count);
}
}
if (current_block() != NULL) {
- HReturn* hreturn_instruction = new(zone) HReturn(return_value,
- context_,
- stack_pop_count);
+ HReturn* hreturn_instruction = New<HReturn>(return_value,
+ stack_pop_count);
current_block()->Finish(hreturn_instruction);
set_current_block(NULL);
}
IfBuilder builder(this);
builder.IfNot<HCompareObjectEqAndBranch, HValue*>(undefined, undefined);
builder.Then();
- builder.ElseDeopt();
+ builder.ElseDeopt("Forced deopt to runtime");
return undefined;
}
template <>
+HValue* CodeStubGraphBuilder<ToNumberStub>::BuildCodeStub() {
+ HValue* value = GetParameter(0);
+
+ // Check if the parameter is already a SMI or heap number.
+ IfBuilder if_number(this);
+ if_number.If<HIsSmiAndBranch>(value);
+ if_number.OrIf<HCompareMap>(value, isolate()->factory()->heap_number_map());
+ if_number.Then();
+
+ // Return the number.
+ Push(value);
+
+ if_number.Else();
+
+ // Convert the parameter to number using the builtin.
+ HValue* function = AddLoadJSBuiltin(Builtins::TO_NUMBER);
+ Add<HPushArgument>(value);
+ Push(Add<HInvokeFunction>(function, 1));
+
+ if_number.End();
+
+ return Pop();
+}
+
+
+Handle<Code> ToNumberStub::GenerateCode() {
+ return DoGenerateCode(this);
+}
+
+
+template <>
HValue* CodeStubGraphBuilder<FastCloneShallowArrayStub>::BuildCodeStub() {
- Zone* zone = this->zone();
Factory* factory = isolate()->factory();
HValue* undefined = graph()->GetConstantUndefined();
AllocationSiteMode alloc_site_mode = casted_stub()->allocation_site_mode();
FastCloneShallowArrayStub::Mode mode = casted_stub()->mode();
int length = casted_stub()->length();
- HInstruction* boilerplate =
- AddInstruction(new(zone) HLoadKeyed(GetParameter(0),
- GetParameter(1),
- NULL,
- FAST_ELEMENTS));
-
+ HInstruction* allocation_site = Add<HLoadKeyed>(GetParameter(0),
+ GetParameter(1),
+ static_cast<HValue*>(NULL),
+ FAST_ELEMENTS);
IfBuilder checker(this);
- checker.IfNot<HCompareObjectEqAndBranch, HValue*>(boilerplate, undefined);
+ checker.IfNot<HCompareObjectEqAndBranch, HValue*>(allocation_site,
+ undefined);
checker.Then();
+ HObjectAccess access = HObjectAccess::ForAllocationSiteTransitionInfo();
+ HInstruction* boilerplate = Add<HLoadNamedField>(allocation_site, access);
if (mode == FastCloneShallowArrayStub::CLONE_ANY_ELEMENTS) {
- HValue* elements = AddLoadElements(boilerplate);
+ HValue* elements = AddLoadElements(boilerplate, NULL);
IfBuilder if_fixed_cow(this);
- if_fixed_cow.IfCompareMap(elements, factory->fixed_cow_array_map());
+ if_fixed_cow.If<HCompareMap>(elements, factory->fixed_cow_array_map());
if_fixed_cow.Then();
- environment()->Push(BuildCloneShallowArray(context(),
- boilerplate,
+ environment()->Push(BuildCloneShallowArray(boilerplate,
+ allocation_site,
alloc_site_mode,
FAST_ELEMENTS,
0/*copy-on-write*/));
if_fixed_cow.Else();
IfBuilder if_fixed(this);
- if_fixed.IfCompareMap(elements, factory->fixed_array_map());
+ if_fixed.If<HCompareMap>(elements, factory->fixed_array_map());
if_fixed.Then();
- environment()->Push(BuildCloneShallowArray(context(),
- boilerplate,
+ environment()->Push(BuildCloneShallowArray(boilerplate,
+ allocation_site,
alloc_site_mode,
FAST_ELEMENTS,
length));
if_fixed.Else();
- environment()->Push(BuildCloneShallowArray(context(),
- boilerplate,
+ environment()->Push(BuildCloneShallowArray(boilerplate,
+ allocation_site,
alloc_site_mode,
FAST_DOUBLE_ELEMENTS,
length));
} else {
ElementsKind elements_kind = casted_stub()->ComputeElementsKind();
- environment()->Push(BuildCloneShallowArray(context(),
- boilerplate,
+ environment()->Push(BuildCloneShallowArray(boilerplate,
+ allocation_site,
alloc_site_mode,
elements_kind,
length));
}
- HValue* result = environment()->Pop();
- checker.ElseDeopt();
- return result;
+ checker.ElseDeopt("Uninitialized boilerplate literals");
+ checker.End();
+
+ return environment()->Pop();
}
Zone* zone = this->zone();
HValue* undefined = graph()->GetConstantUndefined();
- HInstruction* boilerplate =
- AddInstruction(new(zone) HLoadKeyed(GetParameter(0),
- GetParameter(1),
- NULL,
- FAST_ELEMENTS));
+ HInstruction* boilerplate = Add<HLoadKeyed>(GetParameter(0),
+ GetParameter(1),
+ static_cast<HValue*>(NULL),
+ FAST_ELEMENTS);
IfBuilder checker(this);
- checker.IfNot<HCompareObjectEqAndBranch, HValue*>(boilerplate, undefined);
+ checker.IfNot<HCompareObjectEqAndBranch, HValue*>(boilerplate,
+ undefined);
checker.And();
int size = JSObject::kHeaderSize + casted_stub()->length() * kPointerSize;
HValue* boilerplate_size =
AddInstruction(new(zone) HInstanceSize(boilerplate));
- HValue* size_in_words =
- AddInstruction(new(zone) HConstant(size >> kPointerSizeLog2,
- Representation::Integer32()));
- checker.IfCompare(boilerplate_size, size_in_words, Token::EQ);
+ HValue* size_in_words = Add<HConstant>(size >> kPointerSizeLog2);
+ checker.If<HCompareNumericAndBranch>(boilerplate_size,
+ size_in_words, Token::EQ);
checker.Then();
- HValue* size_in_bytes =
- AddInstruction(new(zone) HConstant(size, Representation::Integer32()));
- HAllocate::Flags flags = HAllocate::CAN_ALLOCATE_IN_NEW_SPACE;
- if (isolate()->heap()->ShouldGloballyPretenure()) {
- flags = static_cast<HAllocate::Flags>(
- flags | HAllocate::CAN_ALLOCATE_IN_OLD_POINTER_SPACE);
- }
+ HValue* size_in_bytes = Add<HConstant>(size);
- HInstruction* object = AddInstruction(new(zone)
- HAllocate(context(), size_in_bytes, HType::JSObject(), flags));
+ HInstruction* object = Add<HAllocate>(size_in_bytes, HType::JSObject(),
+ isolate()->heap()->GetPretenureMode(), JS_OBJECT_TYPE);
for (int i = 0; i < size; i += kPointerSize) {
HObjectAccess access = HObjectAccess::ForJSObjectOffset(i);
- AddStore(object, access, AddLoad(boilerplate, access));
+ Add<HStoreNamedField>(object, access,
+ Add<HLoadNamedField>(boilerplate, access));
}
- checker.ElseDeopt();
- return object;
+ environment()->Push(object);
+ checker.ElseDeopt("Uninitialized boilerplate in fast clone");
+ checker.End();
+
+ return environment()->Pop();
}
template <>
+HValue* CodeStubGraphBuilder<CreateAllocationSiteStub>::BuildCodeStub() {
+ HValue* size = Add<HConstant>(AllocationSite::kSize);
+ HInstruction* object = Add<HAllocate>(size, HType::JSObject(), TENURED,
+ JS_OBJECT_TYPE);
+
+ // Store the map
+ Handle<Map> allocation_site_map(isolate()->heap()->allocation_site_map(),
+ isolate());
+ AddStoreMapConstant(object, allocation_site_map);
+
+ // Store the payload (smi elements kind)
+ HValue* initial_elements_kind = Add<HConstant>(GetInitialFastElementsKind());
+ Add<HStoreNamedField>(object,
+ HObjectAccess::ForAllocationSiteTransitionInfo(),
+ initial_elements_kind);
+
+ // Link the object to the allocation site list
+ HValue* site_list = Add<HConstant>(
+ ExternalReference::allocation_sites_list_address(isolate()));
+ HValue* site = Add<HLoadNamedField>(site_list,
+ HObjectAccess::ForAllocationSiteList());
+ HStoreNamedField* store =
+ Add<HStoreNamedField>(object, HObjectAccess::ForAllocationSiteWeakNext(),
+ site);
+ store->SkipWriteBarrier();
+ Add<HStoreNamedField>(site_list, HObjectAccess::ForAllocationSiteList(),
+ object);
+
+ // We use a hammer (SkipWriteBarrier()) to indicate that we know the input
+ // cell is really a Cell, and so no write barrier is needed.
+ // TODO(mvstanton): Add a debug_code check to verify the input cell is really
+ // a cell. (perhaps with a new instruction, HAssert).
+ HInstruction* cell = GetParameter(0);
+ HObjectAccess access = HObjectAccess::ForCellValue();
+ store = Add<HStoreNamedField>(cell, access, object);
+ store->SkipWriteBarrier();
+ return cell;
+}
+
+
+Handle<Code> CreateAllocationSiteStub::GenerateCode() {
+ return DoGenerateCode(this);
+}
+
+
+template <>
HValue* CodeStubGraphBuilder<KeyedLoadFastElementStub>::BuildCodeStub() {
HInstruction* load = BuildUncheckedMonomorphicElementAccess(
GetParameter(0), GetParameter(1), NULL, NULL,
template<>
HValue* CodeStubGraphBuilder<LoadFieldStub>::BuildCodeStub() {
+ Representation rep = casted_stub()->representation();
HObjectAccess access = casted_stub()->is_inobject() ?
- HObjectAccess::ForJSObjectOffset(casted_stub()->offset()) :
- HObjectAccess::ForBackingStoreOffset(casted_stub()->offset());
- return AddInstruction(BuildLoadNamedField(GetParameter(0), access,
- casted_stub()->representation()));
+ HObjectAccess::ForJSObjectOffset(casted_stub()->offset(), rep) :
+ HObjectAccess::ForBackingStoreOffset(casted_stub()->offset(), rep);
+ return AddInstruction(BuildLoadNamedField(GetParameter(0), access, NULL));
}
template<>
HValue* CodeStubGraphBuilder<KeyedLoadFieldStub>::BuildCodeStub() {
+ Representation rep = casted_stub()->representation();
HObjectAccess access = casted_stub()->is_inobject() ?
- HObjectAccess::ForJSObjectOffset(casted_stub()->offset()) :
- HObjectAccess::ForBackingStoreOffset(casted_stub()->offset());
- return AddInstruction(BuildLoadNamedField(GetParameter(0), access,
- casted_stub()->representation()));
+ HObjectAccess::ForJSObjectOffset(casted_stub()->offset(), rep) :
+ HObjectAccess::ForBackingStoreOffset(casted_stub()->offset(), rep);
+ return AddInstruction(BuildLoadNamedField(GetParameter(0), access, NULL));
}
template <>
HValue* CodeStubGraphBuilder<TransitionElementsKindStub>::BuildCodeStub() {
- Zone* zone = this->zone();
-
- HValue* js_array = GetParameter(0);
- HValue* map = GetParameter(1);
-
info()->MarkAsSavesCallerDoubles();
- AddInstruction(new(zone) HTrapAllocationMemento(js_array));
-
- HInstruction* array_length =
- AddLoad(js_array, HObjectAccess::ForArrayLength());
- array_length->set_type(HType::Smi());
-
- ElementsKind to_kind = casted_stub()->to_kind();
- BuildNewSpaceArrayCheck(array_length, to_kind);
-
- IfBuilder if_builder(this);
-
- if_builder.IfCompare(array_length, graph()->GetConstant0(), Token::EQ);
- if_builder.Then();
-
- // Nothing to do, just change the map.
-
- if_builder.Else();
-
- HInstruction* elements = AddLoadElements(js_array);
+ BuildTransitionElementsKind(GetParameter(0),
+ GetParameter(1),
+ casted_stub()->from_kind(),
+ casted_stub()->to_kind(),
+ true);
- HInstruction* elements_length =
- AddInstruction(new(zone) HFixedArrayBaseLength(elements));
-
- HValue* new_elements = BuildAllocateElementsAndInitializeElementsHeader(
- context(), to_kind, elements_length);
-
- BuildCopyElements(context(), elements,
- casted_stub()->from_kind(), new_elements,
- to_kind, array_length, elements_length);
-
- AddStore(js_array, HObjectAccess::ForElementsPointer(), new_elements);
-
- if_builder.End();
-
- AddStore(js_array, HObjectAccess::ForMap(), map);
-
- return js_array;
+ return GetParameter(0);
}
}
HValue* CodeStubGraphBuilderBase::BuildArrayConstructor(
- ElementsKind kind, bool disable_allocation_sites,
+ ElementsKind kind,
+ ContextCheckMode context_mode,
+ AllocationSiteOverrideMode override_mode,
ArgumentClass argument_class) {
HValue* constructor = GetParameter(ArrayConstructorStubBase::kConstructor);
- HValue* property_cell = GetParameter(ArrayConstructorStubBase::kPropertyCell);
- HInstruction* array_function = BuildGetArrayFunction(context());
+ if (context_mode == CONTEXT_CHECK_REQUIRED) {
+ HInstruction* array_function = BuildGetArrayFunction();
+ ArrayContextChecker checker(this, constructor, array_function);
+ }
- ArrayContextChecker(this, constructor, array_function);
- JSArrayBuilder array_builder(this, kind, property_cell,
- disable_allocation_sites);
+ HValue* property_cell = GetParameter(ArrayConstructorStubBase::kPropertyCell);
+ // Walk through the property cell to the AllocationSite
+ HValue* alloc_site = Add<HLoadNamedField>(property_cell,
+ HObjectAccess::ForCellValue());
+ JSArrayBuilder array_builder(this, kind, alloc_site, constructor,
+ override_mode);
HValue* result = NULL;
switch (argument_class) {
case NONE:
result = BuildArrayNArgumentsConstructor(&array_builder, kind);
break;
}
+
return result;
}
HValue* constant_one = graph()->GetConstant1();
HValue* constant_zero = graph()->GetConstant0();
- HInstruction* elements = AddInstruction(
- new(zone()) HArgumentsElements(false));
+ HInstruction* elements = Add<HArgumentsElements>(false);
HInstruction* argument = AddInstruction(
new(zone()) HAccessArgumentsAt(elements, constant_one, constant_zero));
HConstant* max_alloc_length =
- new(zone()) HConstant(JSObject::kInitialMaxFastElementArray);
- AddInstruction(max_alloc_length);
+ Add<HConstant>(JSObject::kInitialMaxFastElementArray);
const int initial_capacity = JSArray::kPreallocatedArrayElements;
- HConstant* initial_capacity_node = new(zone()) HConstant(initial_capacity);
+ HConstant* initial_capacity_node = New<HConstant>(initial_capacity);
AddInstruction(initial_capacity_node);
- HBoundsCheck* checked_arg = AddBoundsCheck(argument, max_alloc_length);
+ HInstruction* checked_arg = Add<HBoundsCheck>(argument, max_alloc_length);
IfBuilder if_builder(this);
- if_builder.IfCompare(checked_arg, constant_zero, Token::EQ);
+ if_builder.If<HCompareNumericAndBranch>(checked_arg, constant_zero,
+ Token::EQ);
if_builder.Then();
Push(initial_capacity_node); // capacity
Push(constant_zero); // length
LoopBuilder::kPostIncrement);
HValue* start = graph()->GetConstant0();
HValue* key = builder.BeginBody(start, length, Token::LT);
- HInstruction* argument_elements = AddInstruction(
- new(zone()) HArgumentsElements(false));
+ HInstruction* argument_elements = Add<HArgumentsElements>(false);
HInstruction* argument = AddInstruction(new(zone()) HAccessArgumentsAt(
argument_elements, length, key));
- AddInstruction(new(zone()) HStoreKeyed(elements, key, argument, kind));
+ Add<HStoreKeyed>(elements, key, argument, kind);
builder.EndBody();
return new_object;
}
template <>
HValue* CodeStubGraphBuilder<ArrayNoArgumentConstructorStub>::BuildCodeStub() {
ElementsKind kind = casted_stub()->elements_kind();
- bool disable_allocation_sites = casted_stub()->disable_allocation_sites();
- return BuildArrayConstructor(kind, disable_allocation_sites, NONE);
+ ContextCheckMode context_mode = casted_stub()->context_mode();
+ AllocationSiteOverrideMode override_mode = casted_stub()->override_mode();
+ return BuildArrayConstructor(kind, context_mode, override_mode, NONE);
}
HValue* CodeStubGraphBuilder<ArraySingleArgumentConstructorStub>::
BuildCodeStub() {
ElementsKind kind = casted_stub()->elements_kind();
- bool disable_allocation_sites = casted_stub()->disable_allocation_sites();
- return BuildArrayConstructor(kind, disable_allocation_sites, SINGLE);
+ ContextCheckMode context_mode = casted_stub()->context_mode();
+ AllocationSiteOverrideMode override_mode = casted_stub()->override_mode();
+ return BuildArrayConstructor(kind, context_mode, override_mode, SINGLE);
}
template <>
HValue* CodeStubGraphBuilder<ArrayNArgumentsConstructorStub>::BuildCodeStub() {
ElementsKind kind = casted_stub()->elements_kind();
- bool disable_allocation_sites = casted_stub()->disable_allocation_sites();
- return BuildArrayConstructor(kind, disable_allocation_sites, MULTIPLE);
+ ContextCheckMode context_mode = casted_stub()->context_mode();
+ AllocationSiteOverrideMode override_mode = casted_stub()->override_mode();
+ return BuildArrayConstructor(kind, context_mode, override_mode, MULTIPLE);
}
template <>
HValue* CodeStubGraphBuilder<CompareNilICStub>::BuildCodeInitializedStub() {
+ Isolate* isolate = graph()->isolate();
CompareNilICStub* stub = casted_stub();
HIfContinuation continuation;
- Handle<Map> sentinel_map(graph()->isolate()->heap()->meta_map());
- BuildCompareNil(GetParameter(0),
- stub->GetTypes(), sentinel_map,
- RelocInfo::kNoPosition, &continuation);
+ Handle<Map> sentinel_map(isolate->heap()->meta_map());
+ Handle<Type> type = stub->GetType(isolate, sentinel_map);
+ BuildCompareNil(GetParameter(0), type, RelocInfo::kNoPosition, &continuation);
IfBuilder if_nil(this, &continuation);
if_nil.Then();
if (continuation.IsFalseReachable()) {
IfBuilder if_true(this);
if_true.If<HBranch>(GetParameter(0), stub->GetTypes());
if_true.Then();
- if_true.Return(graph()->GetConstant1());
+ if_true.Return(graph()->GetConstant1());
if_true.Else();
if_true.End();
return graph()->GetConstant0();
}
+template <>
+HValue* CodeStubGraphBuilder<StoreGlobalStub>::BuildCodeInitializedStub() {
+ StoreGlobalStub* stub = casted_stub();
+ Handle<Object> hole(isolate()->heap()->the_hole_value(), isolate());
+ Handle<Object> placeholer_value(Smi::FromInt(0), isolate());
+ Handle<PropertyCell> placeholder_cell =
+ isolate()->factory()->NewPropertyCell(placeholer_value);
+
+ HParameter* receiver = GetParameter(0);
+ HParameter* value = GetParameter(2);
+
+ // Check that the map of the global has not changed: use a placeholder map
+ // that will be replaced later with the global object's map.
+ Handle<Map> placeholder_map = isolate()->factory()->meta_map();
+ Add<HCheckMaps>(receiver, placeholder_map, top_info());
+
+ HValue* cell = Add<HConstant>(placeholder_cell);
+ HObjectAccess access(HObjectAccess::ForCellPayload(isolate()));
+ HValue* cell_contents = Add<HLoadNamedField>(cell, access);
+
+ if (stub->is_constant()) {
+ IfBuilder builder(this);
+ builder.If<HCompareObjectEqAndBranch>(cell_contents, value);
+ builder.Then();
+ builder.ElseDeopt("Unexpected cell contents in constant global store");
+ builder.End();
+ } else {
+ // Load the payload of the global parameter cell. A hole indicates that the
+ // property has been deleted and that the store must be handled by the
+ // runtime.
+ IfBuilder builder(this);
+ HValue* hole_value = Add<HConstant>(hole);
+ builder.If<HCompareObjectEqAndBranch>(cell_contents, hole_value);
+ builder.Then();
+ builder.Deopt("Unexpected cell contents in global store");
+ builder.Else();
+ Add<HStoreNamedField>(cell, access, value);
+ builder.End();
+ }
+
+ return value;
+}
+
+
+Handle<Code> StoreGlobalStub::GenerateCode() {
+ return DoGenerateCode(this);
+}
+
+
+template<>
+HValue* CodeStubGraphBuilder<ElementsTransitionAndStoreStub>::BuildCodeStub() {
+ HValue* value = GetParameter(0);
+ HValue* map = GetParameter(1);
+ HValue* key = GetParameter(2);
+ HValue* object = GetParameter(3);
+
+ if (FLAG_trace_elements_transitions) {
+ // Tracing elements transitions is the job of the runtime.
+ Add<HDeoptimize>("Deopt due to --trace-elements-transitions",
+ Deoptimizer::EAGER);
+ } else {
+ info()->MarkAsSavesCallerDoubles();
+
+ BuildTransitionElementsKind(object, map,
+ casted_stub()->from_kind(),
+ casted_stub()->to_kind(),
+ casted_stub()->is_jsarray());
+
+ BuildUncheckedMonomorphicElementAccess(object, key, value, NULL,
+ casted_stub()->is_jsarray(),
+ casted_stub()->to_kind(),
+ true, ALLOW_RETURN_HOLE,
+ casted_stub()->store_mode());
+ }
+
+ return value;
+}
+
+
+Handle<Code> ElementsTransitionAndStoreStub::GenerateCode() {
+ return DoGenerateCode(this);
+}
+
+
} } // namespace v8::internal
projects / platform / upstream / nodejs.git / blobdiff