// Copyright 2012 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
#include "v8.h"
arguments_length_(NULL),
info_(stub, isolate),
context_(NULL) {
- descriptor_ = stub->GetInterfaceDescriptor(isolate);
+ descriptor_ = stub->GetInterfaceDescriptor();
parameters_.Reset(new HParameter*[descriptor_->register_param_count_]);
}
virtual bool BuildGraph();
HContext* context() { return context_; }
Isolate* isolate() { return info_.isolate(); }
- class ArrayContextChecker {
- public:
- ArrayContextChecker(HGraphBuilder* builder, HValue* constructor,
- HValue* array_function)
- : checker_(builder) {
- checker_.If<HCompareObjectEqAndBranch, HValue*>(constructor,
- array_function);
- checker_.Then();
- }
-
- ~ArrayContextChecker() {
- checker_.ElseDeopt("Array constructor called from different context");
- checker_.End();
- }
- private:
- IfBuilder checker_;
- };
+ HLoadNamedField* BuildLoadNamedField(HValue* object,
+ Representation representation,
+ int offset,
+ bool is_inobject);
enum ArgumentClass {
NONE,
};
HValue* BuildArrayConstructor(ElementsKind kind,
- ContextCheckMode context_mode,
AllocationSiteOverrideMode override_mode,
ArgumentClass argument_class);
HValue* BuildInternalArrayConstructor(ElementsKind kind,
ArgumentClass argument_class);
- void BuildInstallOptimizedCode(HValue* js_function, HValue* native_context,
- HValue* code_object);
+ // BuildCheckAndInstallOptimizedCode emits code to install the optimized
+ // function found in the optimized code map at map_index in js_function, if
+ // the function at map_index matches the given native_context. Builder is
+ // left in the "Then()" state after the install.
+ void BuildCheckAndInstallOptimizedCode(HValue* js_function,
+ HValue* native_context,
+ IfBuilder* builder,
+ HValue* optimized_map,
+ HValue* map_index);
void BuildInstallCode(HValue* js_function, HValue* shared_info);
+
+ HInstruction* LoadFromOptimizedCodeMap(HValue* optimized_map,
+ HValue* iterator,
+ int field_offset);
void BuildInstallFromOptimizedCodeMap(HValue* js_function,
HValue* shared_info,
HValue* native_context);
next_block->SetJoinId(BailoutId::StubEntry());
set_current_block(next_block);
+ bool runtime_stack_params = descriptor_->stack_parameter_count_.is_valid();
+ HInstruction* stack_parameter_count = NULL;
for (int i = 0; i < param_count; ++i) {
- HParameter* param =
- Add<HParameter>(i, HParameter::REGISTER_PARAMETER);
+ Representation r = descriptor_->IsParameterCountRegister(i)
+ ? Representation::Integer32()
+ : Representation::Tagged();
+ HParameter* param = Add<HParameter>(i, HParameter::REGISTER_PARAMETER, r);
start_environment->Bind(i, param);
parameters_[i] = param;
+ if (descriptor_->IsParameterCountRegister(i)) {
+ param->set_type(HType::Smi());
+ stack_parameter_count = param;
+ arguments_length_ = stack_parameter_count;
+ }
}
- HInstruction* stack_parameter_count;
- if (descriptor_->stack_parameter_count_.is_valid()) {
- ASSERT(descriptor_->environment_length() == (param_count + 1));
- 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);
- start_environment->Bind(param_count, stack_parameter_count);
- arguments_length_ = stack_parameter_count;
- } else {
- ASSERT(descriptor_->environment_length() == param_count);
+ ASSERT(!runtime_stack_params || arguments_length_ != NULL);
+ if (!runtime_stack_params) {
stack_parameter_count = graph()->GetConstantMinus1();
arguments_length_ = graph()->GetConstant0();
}
if (descriptor_->function_mode_ == JS_FUNCTION_STUB_MODE) {
if (!stack_parameter_count->IsConstant() &&
descriptor_->hint_stack_parameter_count_ < 0) {
- HInstruction* amount = graph()->GetConstant1();
- stack_pop_count = Add<HAdd>(stack_parameter_count, amount);
- stack_pop_count->ChangeRepresentation(Representation::Integer32());
+ HInstruction* constant_one = graph()->GetConstant1();
+ stack_pop_count = AddUncasted<HAdd>(stack_parameter_count, constant_one);
stack_pop_count->ClearFlag(HValue::kCanOverflow);
+ // TODO(mvstanton): verify that stack_parameter_count+1 really fits in a
+ // smi.
} else {
int count = descriptor_->hint_stack_parameter_count_;
stack_pop_count = Add<HConstant>(count);
template <class Stub>
class CodeStubGraphBuilder: public CodeStubGraphBuilderBase {
public:
- explicit CodeStubGraphBuilder(Isolate* isolate, Stub* stub)
+ CodeStubGraphBuilder(Isolate* isolate, Stub* stub)
: CodeStubGraphBuilderBase(isolate, stub) {}
protected:
};
-Handle<Code> HydrogenCodeStub::GenerateLightweightMissCode(Isolate* isolate) {
- Factory* factory = isolate->factory();
+Handle<Code> HydrogenCodeStub::GenerateLightweightMissCode() {
+ Factory* factory = isolate()->factory();
// Generate the new code.
- MacroAssembler masm(isolate, NULL, 256);
+ MacroAssembler masm(isolate(), NULL, 256);
{
// Update the static counter each time a new code stub is generated.
- isolate->counters()->code_stubs()->Increment();
-
- // Nested stubs are not allowed for leaves.
- AllowStubCallsScope allow_scope(&masm, false);
+ isolate()->counters()->code_stubs()->Increment();
// Generate the code for the stub.
masm.set_generating_stub(true);
GetCodeKind(),
GetICState(),
GetExtraICState(),
- GetStubType(),
- GetStubFlags());
+ GetStubType());
Handle<Code> new_object = factory->NewCode(
desc, flags, masm.CodeObject(), NeedsImmovableCode());
return new_object;
template <class Stub>
-static Handle<Code> DoGenerateCode(Isolate* isolate, Stub* stub) {
+static Handle<Code> DoGenerateCode(Stub* stub) {
+ Isolate* isolate = stub->isolate();
CodeStub::Major major_key =
static_cast<HydrogenCodeStub*>(stub)->MajorKey();
CodeStubInterfaceDescriptor* descriptor =
isolate->code_stub_interface_descriptor(major_key);
if (descriptor->register_param_count_ < 0) {
- stub->InitializeInterfaceDescriptor(isolate, descriptor);
+ stub->InitializeInterfaceDescriptor(descriptor);
}
// If we are uninitialized we can use a light-weight stub to enter
// stub-failure deopt mechanism.
if (stub->IsUninitialized() && descriptor->has_miss_handler()) {
ASSERT(!descriptor->stack_parameter_count_.is_valid());
- return stub->GenerateLightweightMissCode(isolate);
+ return stub->GenerateLightweightMissCode();
}
ElapsedTimer timer;
if (FLAG_profile_hydrogen_code_stub_compilation) {
Handle<Code> code = chunk->Codegen();
if (FLAG_profile_hydrogen_code_stub_compilation) {
double ms = timer.Elapsed().InMillisecondsF();
- PrintF("[Lazy compilation of %s took %0.3f ms]\n", *stub->GetName(), ms);
+ PrintF("[Lazy compilation of %s took %0.3f ms]\n",
+ stub->GetName().get(), ms);
}
return code;
}
}
-Handle<Code> ToNumberStub::GenerateCode(Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> ToNumberStub::GenerateCode() {
+ return DoGenerateCode(this);
}
HValue* CodeStubGraphBuilder<NumberToStringStub>::BuildCodeStub() {
info()->MarkAsSavesCallerDoubles();
HValue* number = GetParameter(NumberToStringStub::kNumber);
- return BuildNumberToString(number, handle(Type::Number(), isolate()));
+ return BuildNumberToString(number, Type::Number(zone()));
}
-Handle<Code> NumberToStringStub::GenerateCode(Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> NumberToStringStub::GenerateCode() {
+ return DoGenerateCode(this);
}
HObjectAccess access = HObjectAccess::ForAllocationSiteOffset(
AllocationSite::kTransitionInfoOffset);
- HInstruction* boilerplate = Add<HLoadNamedField>(allocation_site, access);
+ HInstruction* boilerplate = Add<HLoadNamedField>(
+ allocation_site, static_cast<HValue*>(NULL), access);
HValue* push_value;
if (mode == FastCloneShallowArrayStub::CLONE_ANY_ELEMENTS) {
HValue* elements = AddLoadElements(boilerplate);
}
-Handle<Code> FastCloneShallowArrayStub::GenerateCode(Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> FastCloneShallowArrayStub::GenerateCode() {
+ return DoGenerateCode(this);
}
HObjectAccess access = HObjectAccess::ForAllocationSiteOffset(
AllocationSite::kTransitionInfoOffset);
- HInstruction* boilerplate = Add<HLoadNamedField>(allocation_site, access);
+ HInstruction* boilerplate = Add<HLoadNamedField>(
+ allocation_site, static_cast<HValue*>(NULL), access);
int size = JSObject::kHeaderSize + casted_stub()->length() * kPointerSize;
int object_size = size;
}
HValue* boilerplate_map = Add<HLoadNamedField>(
- boilerplate, HObjectAccess::ForMap());
+ boilerplate, static_cast<HValue*>(NULL),
+ HObjectAccess::ForMap());
HValue* boilerplate_size = Add<HLoadNamedField>(
- boilerplate_map, HObjectAccess::ForMapInstanceSize());
+ boilerplate_map, static_cast<HValue*>(NULL),
+ HObjectAccess::ForMapInstanceSize());
HValue* size_in_words = Add<HConstant>(object_size >> kPointerSizeLog2);
checker.If<HCompareNumericAndBranch>(boilerplate_size,
size_in_words, Token::EQ);
HValue* size_in_bytes = Add<HConstant>(size);
HInstruction* object = Add<HAllocate>(size_in_bytes, HType::JSObject(),
- isolate()->heap()->GetPretenureMode(), JS_OBJECT_TYPE);
+ NOT_TENURED, JS_OBJECT_TYPE);
for (int i = 0; i < object_size; i += kPointerSize) {
- HObjectAccess access = HObjectAccess::ForJSObjectOffset(i);
- Add<HStoreNamedField>(object, access,
- Add<HLoadNamedField>(boilerplate, access));
+ HObjectAccess access = HObjectAccess::ForObservableJSObjectOffset(i);
+ Add<HStoreNamedField>(
+ object, access, Add<HLoadNamedField>(
+ boilerplate, static_cast<HValue*>(NULL), access));
}
ASSERT(FLAG_allocation_site_pretenuring || (size == object_size));
if (FLAG_allocation_site_pretenuring) {
- BuildCreateAllocationMemento(object, object_size, allocation_site);
+ BuildCreateAllocationMemento(
+ object, Add<HConstant>(object_size), allocation_site);
}
environment()->Push(object);
}
-Handle<Code> FastCloneShallowObjectStub::GenerateCode(Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> FastCloneShallowObjectStub::GenerateCode() {
+ return DoGenerateCode(this);
}
AllocationSite::kNestedSiteOffset),
graph()->GetConstant0());
+ // Pretenuring calculation field.
+ Add<HStoreNamedField>(object,
+ HObjectAccess::ForAllocationSiteOffset(
+ AllocationSite::kPretenureDataOffset),
+ graph()->GetConstant0());
+
+ // Pretenuring memento creation count field.
+ Add<HStoreNamedField>(object,
+ HObjectAccess::ForAllocationSiteOffset(
+ AllocationSite::kPretenureCreateCountOffset),
+ graph()->GetConstant0());
+
// Store an empty fixed array for the code dependency.
HConstant* empty_fixed_array =
Add<HConstant>(isolate()->factory()->empty_fixed_array());
// 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());
+ HValue* site = Add<HLoadNamedField>(
+ site_list, static_cast<HValue*>(NULL),
+ HObjectAccess::ForAllocationSiteList());
store = Add<HStoreNamedField>(object,
HObjectAccess::ForAllocationSiteOffset(AllocationSite::kWeakNextOffset),
site);
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;
+ HInstruction* feedback_vector = GetParameter(0);
+ HInstruction* slot = GetParameter(1);
+ Add<HStoreKeyed>(feedback_vector, slot, object, FAST_ELEMENTS,
+ INITIALIZING_STORE);
+ return feedback_vector;
}
-Handle<Code> CreateAllocationSiteStub::GenerateCode(Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> CreateAllocationSiteStub::GenerateCode() {
+ return DoGenerateCode(this);
}
HInstruction* load = BuildUncheckedMonomorphicElementAccess(
GetParameter(0), GetParameter(1), NULL,
casted_stub()->is_js_array(), casted_stub()->elements_kind(),
- false, NEVER_RETURN_HOLE, STANDARD_STORE);
+ LOAD, NEVER_RETURN_HOLE, STANDARD_STORE);
return load;
}
-Handle<Code> KeyedLoadFastElementStub::GenerateCode(Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> KeyedLoadFastElementStub::GenerateCode() {
+ return DoGenerateCode(this);
+}
+
+
+HLoadNamedField* CodeStubGraphBuilderBase::BuildLoadNamedField(
+ HValue* object,
+ Representation representation,
+ int offset,
+ bool is_inobject) {
+ HObjectAccess access = is_inobject
+ ? HObjectAccess::ForObservableJSObjectOffset(offset, representation)
+ : HObjectAccess::ForBackingStoreOffset(offset, representation);
+ if (representation.IsDouble()) {
+ // Load the heap number.
+ object = Add<HLoadNamedField>(
+ object, static_cast<HValue*>(NULL),
+ access.WithRepresentation(Representation::Tagged()));
+ // Load the double value from it.
+ access = HObjectAccess::ForHeapNumberValue();
+ }
+ return Add<HLoadNamedField>(object, static_cast<HValue*>(NULL), access);
}
template<>
HValue* CodeStubGraphBuilder<LoadFieldStub>::BuildCodeStub() {
- Representation rep = casted_stub()->representation();
- HObjectAccess access = casted_stub()->is_inobject() ?
- HObjectAccess::ForJSObjectOffset(casted_stub()->offset(), rep) :
- HObjectAccess::ForBackingStoreOffset(casted_stub()->offset(), rep);
- return AddLoadNamedField(GetParameter(0), access);
+ return BuildLoadNamedField(GetParameter(0),
+ casted_stub()->representation(),
+ casted_stub()->offset(),
+ casted_stub()->is_inobject());
}
-Handle<Code> LoadFieldStub::GenerateCode(Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> LoadFieldStub::GenerateCode() {
+ return DoGenerateCode(this);
}
template<>
-HValue* CodeStubGraphBuilder<KeyedLoadFieldStub>::BuildCodeStub() {
- Representation rep = casted_stub()->representation();
- HObjectAccess access = casted_stub()->is_inobject() ?
- HObjectAccess::ForJSObjectOffset(casted_stub()->offset(), rep) :
- HObjectAccess::ForBackingStoreOffset(casted_stub()->offset(), rep);
- return AddLoadNamedField(GetParameter(0), access);
+HValue* CodeStubGraphBuilder<StringLengthStub>::BuildCodeStub() {
+ HValue* string = BuildLoadNamedField(
+ GetParameter(0), Representation::Tagged(), JSValue::kValueOffset, true);
+ return BuildLoadNamedField(
+ string, Representation::Tagged(), String::kLengthOffset, true);
}
-Handle<Code> KeyedLoadFieldStub::GenerateCode(Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> StringLengthStub::GenerateCode() {
+ return DoGenerateCode(this);
}
BuildUncheckedMonomorphicElementAccess(
GetParameter(0), GetParameter(1), GetParameter(2),
casted_stub()->is_js_array(), casted_stub()->elements_kind(),
- true, NEVER_RETURN_HOLE, casted_stub()->store_mode());
+ STORE, NEVER_RETURN_HOLE, casted_stub()->store_mode());
return GetParameter(2);
}
-Handle<Code> KeyedStoreFastElementStub::GenerateCode(Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> KeyedStoreFastElementStub::GenerateCode() {
+ return DoGenerateCode(this);
}
GetParameter(1),
casted_stub()->from_kind(),
casted_stub()->to_kind(),
- true);
+ casted_stub()->is_js_array());
return GetParameter(0);
}
-Handle<Code> TransitionElementsKindStub::GenerateCode(Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> TransitionElementsKindStub::GenerateCode() {
+ return DoGenerateCode(this);
}
HValue* CodeStubGraphBuilderBase::BuildArrayConstructor(
ElementsKind kind,
- ContextCheckMode context_mode,
AllocationSiteOverrideMode override_mode,
ArgumentClass argument_class) {
HValue* constructor = GetParameter(ArrayConstructorStubBase::kConstructor);
- if (context_mode == CONTEXT_CHECK_REQUIRED) {
- HInstruction* array_function = BuildGetArrayFunction();
- ArrayContextChecker checker(this, constructor, array_function);
- }
-
- HValue* property_cell = GetParameter(ArrayConstructorStubBase::kPropertyCell);
- // Walk through the property cell to the AllocationSite
- HValue* alloc_site = Add<HLoadNamedField>(property_cell,
- HObjectAccess::ForCellValue());
+ HValue* alloc_site = GetParameter(ArrayConstructorStubBase::kAllocationSite);
JSArrayBuilder array_builder(this, kind, alloc_site, constructor,
override_mode);
HValue* result = NULL;
HInstruction* argument = Add<HAccessArgumentsAt>(
elements, constant_one, constant_zero);
- HConstant* max_alloc_length =
- Add<HConstant>(JSObject::kInitialMaxFastElementArray);
- const int initial_capacity = JSArray::kPreallocatedArrayElements;
- HConstant* initial_capacity_node = Add<HConstant>(initial_capacity);
-
- HInstruction* checked_arg = Add<HBoundsCheck>(argument, max_alloc_length);
- IfBuilder if_builder(this);
- if_builder.If<HCompareNumericAndBranch>(checked_arg, constant_zero,
- Token::EQ);
- if_builder.Then();
- Push(initial_capacity_node); // capacity
- Push(constant_zero); // length
- if_builder.Else();
- Push(checked_arg); // capacity
- Push(checked_arg); // length
- if_builder.End();
-
- // Figure out total size
- HValue* length = Pop();
- HValue* capacity = Pop();
- return array_builder->AllocateArray(capacity, length, true);
+ return BuildAllocateArrayFromLength(array_builder, argument);
}
HValue* CodeStubGraphBuilderBase::BuildArrayNArgumentsConstructor(
JSArrayBuilder* array_builder, ElementsKind kind) {
+ // Insert a bounds check because the number of arguments might exceed
+ // the kInitialMaxFastElementArray limit. This cannot happen for code
+ // that was parsed, but calling via Array.apply(thisArg, [...]) might
+ // trigger it.
+ HValue* length = GetArgumentsLength();
+ HConstant* max_alloc_length =
+ Add<HConstant>(JSObject::kInitialMaxFastElementArray);
+ HValue* checked_length = Add<HBoundsCheck>(length, max_alloc_length);
+
// We need to fill with the hole if it's a smi array in the multi-argument
// case because we might have to bail out while copying arguments into
// the array because they aren't compatible with a smi array.
// If it's a double array, no problem, and if it's fast then no
// problem either because doubles are boxed.
- HValue* length = GetArgumentsLength();
- bool fill_with_hole = IsFastSmiElementsKind(kind);
- HValue* new_object = array_builder->AllocateArray(length,
- length,
- fill_with_hole);
+ //
+ // TODO(mvstanton): consider an instruction to memset fill the array
+ // with zero in this case instead.
+ JSArrayBuilder::FillMode fill_mode = IsFastSmiElementsKind(kind)
+ ? JSArrayBuilder::FILL_WITH_HOLE
+ : JSArrayBuilder::DONT_FILL_WITH_HOLE;
+ HValue* new_object = array_builder->AllocateArray(checked_length,
+ checked_length,
+ fill_mode);
HValue* elements = array_builder->GetElementsLocation();
ASSERT(elements != NULL);
context(),
LoopBuilder::kPostIncrement);
HValue* start = graph()->GetConstant0();
- HValue* key = builder.BeginBody(start, length, Token::LT);
+ HValue* key = builder.BeginBody(start, checked_length, Token::LT);
HInstruction* argument_elements = Add<HArgumentsElements>(false);
HInstruction* argument = Add<HAccessArgumentsAt>(
- argument_elements, length, key);
+ argument_elements, checked_length, key);
Add<HStoreKeyed>(elements, key, argument, kind);
builder.EndBody();
template <>
HValue* CodeStubGraphBuilder<ArrayNoArgumentConstructorStub>::BuildCodeStub() {
ElementsKind kind = casted_stub()->elements_kind();
- ContextCheckMode context_mode = casted_stub()->context_mode();
AllocationSiteOverrideMode override_mode = casted_stub()->override_mode();
- return BuildArrayConstructor(kind, context_mode, override_mode, NONE);
+ return BuildArrayConstructor(kind, override_mode, NONE);
}
-Handle<Code> ArrayNoArgumentConstructorStub::GenerateCode(Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> ArrayNoArgumentConstructorStub::GenerateCode() {
+ return DoGenerateCode(this);
}
HValue* CodeStubGraphBuilder<ArraySingleArgumentConstructorStub>::
BuildCodeStub() {
ElementsKind kind = casted_stub()->elements_kind();
- ContextCheckMode context_mode = casted_stub()->context_mode();
AllocationSiteOverrideMode override_mode = casted_stub()->override_mode();
- return BuildArrayConstructor(kind, context_mode, override_mode, SINGLE);
+ return BuildArrayConstructor(kind, override_mode, SINGLE);
}
-Handle<Code> ArraySingleArgumentConstructorStub::GenerateCode(
- Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> ArraySingleArgumentConstructorStub::GenerateCode() {
+ return DoGenerateCode(this);
}
template <>
HValue* CodeStubGraphBuilder<ArrayNArgumentsConstructorStub>::BuildCodeStub() {
ElementsKind kind = casted_stub()->elements_kind();
- ContextCheckMode context_mode = casted_stub()->context_mode();
AllocationSiteOverrideMode override_mode = casted_stub()->override_mode();
- return BuildArrayConstructor(kind, context_mode, override_mode, MULTIPLE);
+ return BuildArrayConstructor(kind, override_mode, MULTIPLE);
}
-Handle<Code> ArrayNArgumentsConstructorStub::GenerateCode(Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> ArrayNArgumentsConstructorStub::GenerateCode() {
+ return DoGenerateCode(this);
}
}
-Handle<Code> InternalArrayNoArgumentConstructorStub::GenerateCode(
- Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> InternalArrayNoArgumentConstructorStub::GenerateCode() {
+ return DoGenerateCode(this);
}
}
-Handle<Code> InternalArraySingleArgumentConstructorStub::GenerateCode(
- Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> InternalArraySingleArgumentConstructorStub::GenerateCode() {
+ return DoGenerateCode(this);
}
}
-Handle<Code> InternalArrayNArgumentsConstructorStub::GenerateCode(
- Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> InternalArrayNArgumentsConstructorStub::GenerateCode() {
+ return DoGenerateCode(this);
}
CompareNilICStub* stub = casted_stub();
HIfContinuation continuation;
Handle<Map> sentinel_map(isolate->heap()->meta_map());
- Handle<Type> type = stub->GetType(isolate, sentinel_map);
+ Type* type = stub->GetType(zone(), sentinel_map);
BuildCompareNil(GetParameter(0), type, &continuation);
IfBuilder if_nil(this, &continuation);
if_nil.Then();
}
-Handle<Code> CompareNilICStub::GenerateCode(Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> CompareNilICStub::GenerateCode() {
+ return DoGenerateCode(this);
}
template <>
-HValue* CodeStubGraphBuilder<BinaryOpStub>::BuildCodeInitializedStub() {
- BinaryOpStub* stub = casted_stub();
- HValue* left = GetParameter(0);
- HValue* right = GetParameter(1);
+HValue* CodeStubGraphBuilder<BinaryOpICStub>::BuildCodeInitializedStub() {
+ BinaryOpIC::State state = casted_stub()->state();
+
+ HValue* left = GetParameter(BinaryOpICStub::kLeft);
+ HValue* right = GetParameter(BinaryOpICStub::kRight);
- Handle<Type> left_type = stub->GetLeftType(isolate());
- Handle<Type> right_type = stub->GetRightType(isolate());
- Handle<Type> result_type = stub->GetResultType(isolate());
+ Type* left_type = state.GetLeftType(zone());
+ Type* right_type = state.GetRightType(zone());
+ Type* result_type = state.GetResultType(zone());
ASSERT(!left_type->Is(Type::None()) && !right_type->Is(Type::None()) &&
- (stub->HasSideEffects(isolate()) || !result_type->Is(Type::None())));
+ (state.HasSideEffects() || !result_type->Is(Type::None())));
HValue* result = NULL;
- if (stub->operation() == Token::ADD &&
+ HAllocationMode allocation_mode(NOT_TENURED);
+ if (state.op() == Token::ADD &&
(left_type->Maybe(Type::String()) || right_type->Maybe(Type::String())) &&
!left_type->Is(Type::String()) && !right_type->Is(Type::String())) {
// For the generic add stub a fast case for string addition is performance
if_leftisstring.If<HIsStringAndBranch>(left);
if_leftisstring.Then();
{
- Push(AddInstruction(BuildBinaryOperation(
- stub->operation(), left, right,
- handle(Type::String(), isolate()), right_type,
- result_type, stub->fixed_right_arg(), true)));
+ Push(BuildBinaryOperation(
+ state.op(), left, right,
+ Type::String(zone()), right_type,
+ result_type, state.fixed_right_arg(),
+ allocation_mode));
}
if_leftisstring.Else();
{
- Push(AddInstruction(BuildBinaryOperation(
- stub->operation(), left, right,
+ Push(BuildBinaryOperation(
+ state.op(), left, right,
left_type, right_type, result_type,
- stub->fixed_right_arg(), true)));
+ state.fixed_right_arg(), allocation_mode));
}
if_leftisstring.End();
result = Pop();
if_rightisstring.If<HIsStringAndBranch>(right);
if_rightisstring.Then();
{
- Push(AddInstruction(BuildBinaryOperation(
- stub->operation(), left, right,
- left_type, handle(Type::String(), isolate()),
- result_type, stub->fixed_right_arg(), true)));
+ Push(BuildBinaryOperation(
+ state.op(), left, right,
+ left_type, Type::String(zone()),
+ result_type, state.fixed_right_arg(),
+ allocation_mode));
}
if_rightisstring.Else();
{
- Push(AddInstruction(BuildBinaryOperation(
- stub->operation(), left, right,
+ Push(BuildBinaryOperation(
+ state.op(), left, right,
left_type, right_type, result_type,
- stub->fixed_right_arg(), true)));
+ state.fixed_right_arg(), allocation_mode));
}
if_rightisstring.End();
result = Pop();
}
} else {
- result = AddInstruction(BuildBinaryOperation(
- stub->operation(), left, right,
+ result = BuildBinaryOperation(
+ state.op(), left, right,
left_type, right_type, result_type,
- stub->fixed_right_arg(), true));
+ state.fixed_right_arg(), allocation_mode);
}
// If we encounter a generic argument, the number conversion is
// observable, thus we cannot afford to bail out after the fact.
- if (!stub->HasSideEffects(isolate())) {
- if (result_type->Is(Type::Smi())) {
- if (stub->operation() == Token::SHR) {
+ if (!state.HasSideEffects()) {
+ if (result_type->Is(Type::SignedSmall())) {
+ if (state.op() == Token::SHR) {
// TODO(olivf) Replace this by a SmiTagU Instruction.
// 0x40000000: this number would convert to negative when interpreting
// the register as signed value;
// Reuse the double box of one of the operands if we are allowed to (i.e.
// chained binops).
- if (stub->CanReuseDoubleBox()) {
- HValue* operand = (stub->mode() == OVERWRITE_LEFT) ? left : right;
+ if (state.CanReuseDoubleBox()) {
+ HValue* operand = (state.mode() == OVERWRITE_LEFT) ? left : right;
IfBuilder if_heap_number(this);
- if_heap_number.IfNot<HIsSmiAndBranch>(operand);
+ if_heap_number.If<HHasInstanceTypeAndBranch>(operand, HEAP_NUMBER_TYPE);
if_heap_number.Then();
Add<HStoreNamedField>(operand, HObjectAccess::ForHeapNumberValue(), result);
Push(operand);
}
-Handle<Code> BinaryOpStub::GenerateCode(Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> BinaryOpICStub::GenerateCode() {
+ return DoGenerateCode(this);
+}
+
+
+template <>
+HValue* CodeStubGraphBuilder<BinaryOpWithAllocationSiteStub>::BuildCodeStub() {
+ BinaryOpIC::State state = casted_stub()->state();
+
+ HValue* allocation_site = GetParameter(
+ BinaryOpWithAllocationSiteStub::kAllocationSite);
+ HValue* left = GetParameter(BinaryOpWithAllocationSiteStub::kLeft);
+ HValue* right = GetParameter(BinaryOpWithAllocationSiteStub::kRight);
+
+ Type* left_type = state.GetLeftType(zone());
+ Type* right_type = state.GetRightType(zone());
+ Type* result_type = state.GetResultType(zone());
+ HAllocationMode allocation_mode(allocation_site);
+
+ return BuildBinaryOperation(state.op(), left, right,
+ left_type, right_type, result_type,
+ state.fixed_right_arg(), allocation_mode);
+}
+
+
+Handle<Code> BinaryOpWithAllocationSiteStub::GenerateCode() {
+ return DoGenerateCode(this);
+}
+
+
+template <>
+HValue* CodeStubGraphBuilder<StringAddStub>::BuildCodeInitializedStub() {
+ StringAddStub* stub = casted_stub();
+ StringAddFlags flags = stub->flags();
+ PretenureFlag pretenure_flag = stub->pretenure_flag();
+
+ HValue* left = GetParameter(StringAddStub::kLeft);
+ HValue* right = GetParameter(StringAddStub::kRight);
+
+ // Make sure that both arguments are strings if not known in advance.
+ if ((flags & STRING_ADD_CHECK_LEFT) == STRING_ADD_CHECK_LEFT) {
+ left = BuildCheckString(left);
+ }
+ if ((flags & STRING_ADD_CHECK_RIGHT) == STRING_ADD_CHECK_RIGHT) {
+ right = BuildCheckString(right);
+ }
+
+ return BuildStringAdd(left, right, HAllocationMode(pretenure_flag));
+}
+
+
+Handle<Code> StringAddStub::GenerateCode() {
+ return DoGenerateCode(this);
}
}
-Handle<Code> ToBooleanStub::GenerateCode(Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> ToBooleanStub::GenerateCode() {
+ return DoGenerateCode(this);
}
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());
+ if (stub->check_global()) {
+ // 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();
+ HValue* global = Add<HConstant>(
+ StoreGlobalStub::global_placeholder(isolate()));
+ Add<HCheckMaps>(global, placeholder_map);
+ }
HValue* cell = Add<HConstant>(placeholder_cell);
HObjectAccess access(HObjectAccess::ForCellPayload(isolate()));
- HValue* cell_contents = Add<HLoadNamedField>(cell, access);
+ HValue* cell_contents = Add<HLoadNamedField>(
+ cell, static_cast<HValue*>(NULL), access);
if (stub->is_constant()) {
IfBuilder builder(this);
}
-Handle<Code> StoreGlobalStub::GenerateCode(Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> StoreGlobalStub::GenerateCode() {
+ return DoGenerateCode(this);
}
BuildUncheckedMonomorphicElementAccess(object, key, value,
casted_stub()->is_jsarray(),
casted_stub()->to_kind(),
- true, ALLOW_RETURN_HOLE,
+ STORE, ALLOW_RETURN_HOLE,
casted_stub()->store_mode());
}
}
-Handle<Code> ElementsTransitionAndStoreStub::GenerateCode(Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> ElementsTransitionAndStoreStub::GenerateCode() {
+ return DoGenerateCode(this);
}
-void CodeStubGraphBuilderBase::BuildInstallOptimizedCode(
+void CodeStubGraphBuilderBase::BuildCheckAndInstallOptimizedCode(
HValue* js_function,
HValue* native_context,
- HValue* code_object) {
+ IfBuilder* builder,
+ HValue* optimized_map,
+ HValue* map_index) {
+ HValue* osr_ast_id_none = Add<HConstant>(BailoutId::None().ToInt());
+ HValue* context_slot = LoadFromOptimizedCodeMap(
+ optimized_map, map_index, SharedFunctionInfo::kContextOffset);
+ HValue* osr_ast_slot = LoadFromOptimizedCodeMap(
+ optimized_map, map_index, SharedFunctionInfo::kOsrAstIdOffset);
+ builder->If<HCompareObjectEqAndBranch>(native_context,
+ context_slot);
+ builder->AndIf<HCompareObjectEqAndBranch>(osr_ast_slot, osr_ast_id_none);
+ builder->Then();
+ HValue* code_object = LoadFromOptimizedCodeMap(optimized_map,
+ map_index, SharedFunctionInfo::kCachedCodeOffset);
+ // and the literals
+ HValue* literals = LoadFromOptimizedCodeMap(optimized_map,
+ map_index, SharedFunctionInfo::kLiteralsOffset);
+
Counters* counters = isolate()->counters();
AddIncrementCounter(counters->fast_new_closure_install_optimized());
// map and either unmangle them on marking or do nothing as the whole map is
// discarded on major GC anyway.
Add<HStoreCodeEntry>(js_function, code_object);
+ Add<HStoreNamedField>(js_function, HObjectAccess::ForLiteralsPointer(),
+ literals);
// Now link a function into a list of optimized functions.
- HValue* optimized_functions_list = Add<HLoadNamedField>(native_context,
+ HValue* optimized_functions_list = Add<HLoadNamedField>(
+ native_context, static_cast<HValue*>(NULL),
HObjectAccess::ForContextSlot(Context::OPTIMIZED_FUNCTIONS_LIST));
Add<HStoreNamedField>(js_function,
HObjectAccess::ForNextFunctionLinkPointer(),
Add<HStoreNamedField>(native_context,
HObjectAccess::ForContextSlot(Context::OPTIMIZED_FUNCTIONS_LIST),
js_function);
+
+ // The builder continues in the "then" after this function.
}
Add<HStoreNamedField>(js_function,
HObjectAccess::ForNextFunctionLinkPointer(),
graph()->GetConstantUndefined());
- HValue* code_object = Add<HLoadNamedField>(shared_info,
- HObjectAccess::ForCodeOffset());
+ HValue* code_object = Add<HLoadNamedField>(
+ shared_info, static_cast<HValue*>(NULL), HObjectAccess::ForCodeOffset());
Add<HStoreCodeEntry>(js_function, code_object);
}
+HInstruction* CodeStubGraphBuilderBase::LoadFromOptimizedCodeMap(
+ HValue* optimized_map,
+ HValue* iterator,
+ int field_offset) {
+ // By making sure to express these loads in the form [<hvalue> + constant]
+ // the keyed load can be hoisted.
+ ASSERT(field_offset >= 0 && field_offset < SharedFunctionInfo::kEntryLength);
+ HValue* field_slot = iterator;
+ if (field_offset > 0) {
+ HValue* field_offset_value = Add<HConstant>(field_offset);
+ field_slot = AddUncasted<HAdd>(iterator, field_offset_value);
+ }
+ HInstruction* field_entry = Add<HLoadKeyed>(optimized_map, field_slot,
+ static_cast<HValue*>(NULL), FAST_ELEMENTS);
+ return field_entry;
+}
+
+
void CodeStubGraphBuilderBase::BuildInstallFromOptimizedCodeMap(
HValue* js_function,
HValue* shared_info,
HValue* native_context) {
Counters* counters = isolate()->counters();
IfBuilder is_optimized(this);
- HInstruction* optimized_map = Add<HLoadNamedField>(shared_info,
+ HInstruction* optimized_map = Add<HLoadNamedField>(
+ shared_info, static_cast<HValue*>(NULL),
HObjectAccess::ForOptimizedCodeMap());
HValue* null_constant = Add<HConstant>(0);
is_optimized.If<HCompareObjectEqAndBranch>(optimized_map, null_constant);
// optimized_map points to fixed array of 3-element entries
// (native context, optimized code, literals).
// Map must never be empty, so check the first elements.
- Label install_optimized;
- HValue* first_context_slot = Add<HLoadNamedField>(optimized_map,
- HObjectAccess::ForFirstContextSlot());
+ HValue* first_entry_index =
+ Add<HConstant>(SharedFunctionInfo::kEntriesStart);
IfBuilder already_in(this);
- already_in.If<HCompareObjectEqAndBranch>(native_context,
- first_context_slot);
- already_in.Then();
- {
- HValue* code_object = Add<HLoadNamedField>(optimized_map,
- HObjectAccess::ForFirstCodeSlot());
- BuildInstallOptimizedCode(js_function, native_context, code_object);
- }
+ BuildCheckAndInstallOptimizedCode(js_function, native_context, &already_in,
+ optimized_map, first_entry_index);
already_in.Else();
{
+ // Iterate through the rest of map backwards. Do not double check first
+ // entry. After the loop, if no matching optimized code was found,
+ // install unoptimized code.
+ // for(i = map.length() - SharedFunctionInfo::kEntryLength;
+ // i > SharedFunctionInfo::kEntriesStart;
+ // i -= SharedFunctionInfo::kEntryLength) { .. }
HValue* shared_function_entry_length =
Add<HConstant>(SharedFunctionInfo::kEntryLength);
LoopBuilder loop_builder(this,
context(),
LoopBuilder::kPostDecrement,
shared_function_entry_length);
- HValue* array_length = Add<HLoadNamedField>(optimized_map,
+ HValue* array_length = Add<HLoadNamedField>(
+ optimized_map, static_cast<HValue*>(NULL),
HObjectAccess::ForFixedArrayLength());
- HValue* key = loop_builder.BeginBody(array_length,
- graph()->GetConstant0(),
- Token::GT);
+ HValue* start_pos = AddUncasted<HSub>(array_length,
+ shared_function_entry_length);
+ HValue* slot_iterator = loop_builder.BeginBody(start_pos,
+ first_entry_index,
+ Token::GT);
{
- // Iterate through the rest of map backwards.
- // Do not double check first entry.
- HValue* second_entry_index =
- Add<HConstant>(SharedFunctionInfo::kSecondEntryIndex);
- IfBuilder restore_check(this);
- restore_check.If<HCompareNumericAndBranch>(key, second_entry_index,
- Token::EQ);
- restore_check.Then();
- {
- // Store the unoptimized code
- BuildInstallCode(js_function, shared_info);
- loop_builder.Break();
- }
- restore_check.Else();
- {
- HValue* keyed_minus = AddUncasted<HSub>(
- key, shared_function_entry_length);
- HInstruction* keyed_lookup = Add<HLoadKeyed>(optimized_map,
- keyed_minus, static_cast<HValue*>(NULL), FAST_ELEMENTS);
- IfBuilder done_check(this);
- done_check.If<HCompareObjectEqAndBranch>(native_context,
- keyed_lookup);
- done_check.Then();
- {
- // Hit: fetch the optimized code.
- HValue* keyed_plus = AddUncasted<HAdd>(
- keyed_minus, graph()->GetConstant1());
- HValue* code_object = Add<HLoadKeyed>(optimized_map,
- keyed_plus, static_cast<HValue*>(NULL), FAST_ELEMENTS);
- BuildInstallOptimizedCode(js_function, native_context, code_object);
-
- // Fall out of the loop
- loop_builder.Break();
- }
- done_check.Else();
- done_check.End();
- }
- restore_check.End();
+ IfBuilder done_check(this);
+ BuildCheckAndInstallOptimizedCode(js_function, native_context,
+ &done_check,
+ optimized_map,
+ slot_iterator);
+ // Fall out of the loop
+ loop_builder.Break();
}
loop_builder.EndBody();
+
+ // If slot_iterator equals first entry index, then we failed to find and
+ // install optimized code
+ IfBuilder no_optimized_code_check(this);
+ no_optimized_code_check.If<HCompareNumericAndBranch>(
+ slot_iterator, first_entry_index, Token::EQ);
+ no_optimized_code_check.Then();
+ {
+ // Store the unoptimized code
+ BuildInstallCode(js_function, shared_info);
+ }
}
- already_in.End();
}
- is_optimized.End();
}
HInstruction* js_function = Add<HAllocate>(size, HType::JSObject(),
NOT_TENURED, JS_FUNCTION_TYPE);
- int map_index = Context::FunctionMapIndex(casted_stub()->language_mode(),
+ int map_index = Context::FunctionMapIndex(casted_stub()->strict_mode(),
casted_stub()->is_generator());
// Compute the function map in the current native context and set that
// as the map of the allocated object.
HInstruction* native_context = BuildGetNativeContext();
- HInstruction* map_slot_value = Add<HLoadNamedField>(native_context,
+ HInstruction* map_slot_value = Add<HLoadNamedField>(
+ native_context, static_cast<HValue*>(NULL),
HObjectAccess::ForContextSlot(map_index));
Add<HStoreNamedField>(js_function, HObjectAccess::ForMap(), map_slot_value);
HObjectAccess::ForSharedFunctionInfoPointer(),
shared_info);
Add<HStoreNamedField>(js_function, HObjectAccess::ForFunctionContextPointer(),
- shared_info);
- Add<HStoreNamedField>(js_function, HObjectAccess::ForFunctionContextPointer(),
context());
// Initialize the code pointer in the function to be the one
}
-Handle<Code> FastNewClosureStub::GenerateCode(Isolate* isolate) {
- return DoGenerateCode(isolate, this);
+Handle<Code> FastNewClosureStub::GenerateCode() {
+ return DoGenerateCode(this);
+}
+
+
+template<>
+HValue* CodeStubGraphBuilder<FastNewContextStub>::BuildCodeStub() {
+ int length = casted_stub()->slots() + Context::MIN_CONTEXT_SLOTS;
+
+ // Get the function.
+ HParameter* function = GetParameter(FastNewContextStub::kFunction);
+
+ // Allocate the context in new space.
+ HAllocate* function_context = Add<HAllocate>(
+ Add<HConstant>(length * kPointerSize + FixedArray::kHeaderSize),
+ HType::Tagged(), NOT_TENURED, FIXED_ARRAY_TYPE);
+
+ // Set up the object header.
+ AddStoreMapConstant(function_context,
+ isolate()->factory()->function_context_map());
+ Add<HStoreNamedField>(function_context,
+ HObjectAccess::ForFixedArrayLength(),
+ Add<HConstant>(length));
+
+ // Set up the fixed slots.
+ Add<HStoreNamedField>(function_context,
+ HObjectAccess::ForContextSlot(Context::CLOSURE_INDEX),
+ function);
+ Add<HStoreNamedField>(function_context,
+ HObjectAccess::ForContextSlot(Context::PREVIOUS_INDEX),
+ context());
+ Add<HStoreNamedField>(function_context,
+ HObjectAccess::ForContextSlot(Context::EXTENSION_INDEX),
+ graph()->GetConstant0());
+
+ // Copy the global object from the previous context.
+ HValue* global_object = Add<HLoadNamedField>(
+ context(), static_cast<HValue*>(NULL),
+ HObjectAccess::ForContextSlot(Context::GLOBAL_OBJECT_INDEX));
+ Add<HStoreNamedField>(function_context,
+ HObjectAccess::ForContextSlot(
+ Context::GLOBAL_OBJECT_INDEX),
+ global_object);
+
+ // Initialize the rest of the slots to undefined.
+ for (int i = Context::MIN_CONTEXT_SLOTS; i < length; ++i) {
+ Add<HStoreNamedField>(function_context,
+ HObjectAccess::ForContextSlot(i),
+ graph()->GetConstantUndefined());
+ }
+
+ return function_context;
+}
+
+
+Handle<Code> FastNewContextStub::GenerateCode() {
+ return DoGenerateCode(this);
+}
+
+
+template<>
+HValue* CodeStubGraphBuilder<KeyedLoadDictionaryElementStub>::BuildCodeStub() {
+ HValue* receiver = GetParameter(0);
+ HValue* key = GetParameter(1);
+
+ Add<HCheckSmi>(key);
+
+ return BuildUncheckedDictionaryElementLoad(receiver, key);
+}
+
+
+Handle<Code> KeyedLoadDictionaryElementStub::GenerateCode() {
+ return DoGenerateCode(this);
+}
+
+
+template<>
+HValue* CodeStubGraphBuilder<RegExpConstructResultStub>::BuildCodeStub() {
+ // Determine the parameters.
+ HValue* length = GetParameter(RegExpConstructResultStub::kLength);
+ HValue* index = GetParameter(RegExpConstructResultStub::kIndex);
+ HValue* input = GetParameter(RegExpConstructResultStub::kInput);
+
+ return BuildRegExpConstructResult(length, index, input);
+}
+
+
+Handle<Code> RegExpConstructResultStub::GenerateCode() {
+ return DoGenerateCode(this);
}