blob: 766d43757cac839679f821dc7e673394d91b2837 [file] [log] [blame]
// Copyright 2016 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/builtins/builtins-utils.h"
#include "src/builtins/builtins.h"
#include "src/code-stub-assembler.h"
#include "src/ic/handler-compiler.h"
#include "src/ic/ic.h"
#include "src/ic/keyed-store-generic.h"
#include "src/objects-inl.h"
namespace v8 {
namespace internal {
TF_BUILTIN(KeyedLoadIC_IndexedString, CodeStubAssembler) {
typedef LoadWithVectorDescriptor Descriptor;
Node* receiver = Parameter(Descriptor::kReceiver);
Node* index = Parameter(Descriptor::kName);
Node* slot = Parameter(Descriptor::kSlot);
Node* vector = Parameter(Descriptor::kVector);
Node* context = Parameter(Descriptor::kContext);
Label miss(this);
Node* index_intptr = TryToIntptr(index, &miss);
Node* length = SmiUntag(LoadStringLength(receiver));
GotoIf(UintPtrGreaterThanOrEqual(index_intptr, length), &miss);
Node* code = StringCharCodeAt(receiver, index_intptr, INTPTR_PARAMETERS);
Node* result = StringFromCharCode(code);
Return(result);
Bind(&miss);
TailCallRuntime(Runtime::kKeyedLoadIC_Miss, context, receiver, index, slot,
vector);
}
TF_BUILTIN(KeyedLoadIC_Miss, CodeStubAssembler) {
typedef LoadWithVectorDescriptor Descriptor;
Node* receiver = Parameter(Descriptor::kReceiver);
Node* name = Parameter(Descriptor::kName);
Node* slot = Parameter(Descriptor::kSlot);
Node* vector = Parameter(Descriptor::kVector);
Node* context = Parameter(Descriptor::kContext);
TailCallRuntime(Runtime::kKeyedLoadIC_Miss, context, receiver, name, slot,
vector);
}
TF_BUILTIN(KeyedLoadIC_Slow, CodeStubAssembler) {
typedef LoadWithVectorDescriptor Descriptor;
Node* receiver = Parameter(Descriptor::kReceiver);
Node* name = Parameter(Descriptor::kName);
Node* context = Parameter(Descriptor::kContext);
TailCallRuntime(Runtime::kKeyedGetProperty, context, receiver, name);
}
void Builtins::Generate_KeyedStoreIC_Megamorphic(
compiler::CodeAssemblerState* state) {
KeyedStoreGenericGenerator::Generate(state, SLOPPY);
}
void Builtins::Generate_KeyedStoreIC_Megamorphic_Strict(
compiler::CodeAssemblerState* state) {
KeyedStoreGenericGenerator::Generate(state, STRICT);
}
TF_BUILTIN(KeyedStoreIC_Miss, CodeStubAssembler) {
typedef StoreWithVectorDescriptor Descriptor;
Node* receiver = Parameter(Descriptor::kReceiver);
Node* name = Parameter(Descriptor::kName);
Node* value = Parameter(Descriptor::kValue);
Node* slot = Parameter(Descriptor::kSlot);
Node* vector = Parameter(Descriptor::kVector);
Node* context = Parameter(Descriptor::kContext);
TailCallRuntime(Runtime::kKeyedStoreIC_Miss, context, value, slot, vector,
receiver, name);
}
TF_BUILTIN(KeyedStoreIC_Slow, CodeStubAssembler) {
typedef StoreWithVectorDescriptor Descriptor;
Node* receiver = Parameter(Descriptor::kReceiver);
Node* name = Parameter(Descriptor::kName);
Node* value = Parameter(Descriptor::kValue);
Node* slot = Parameter(Descriptor::kSlot);
Node* vector = Parameter(Descriptor::kVector);
Node* context = Parameter(Descriptor::kContext);
// The slow case calls into the runtime to complete the store without causing
// an IC miss that would otherwise cause a transition to the generic stub.
TailCallRuntime(Runtime::kKeyedStoreIC_Slow, context, value, slot, vector,
receiver, name);
}
TF_BUILTIN(LoadGlobalIC_Miss, CodeStubAssembler) {
typedef LoadGlobalWithVectorDescriptor Descriptor;
Node* name = Parameter(Descriptor::kName);
Node* slot = Parameter(Descriptor::kSlot);
Node* vector = Parameter(Descriptor::kVector);
Node* context = Parameter(Descriptor::kContext);
TailCallRuntime(Runtime::kLoadGlobalIC_Miss, context, name, slot, vector);
}
TF_BUILTIN(LoadGlobalIC_Slow, CodeStubAssembler) {
typedef LoadGlobalWithVectorDescriptor Descriptor;
Node* name = Parameter(Descriptor::kName);
Node* slot = Parameter(Descriptor::kSlot);
Node* vector = Parameter(Descriptor::kVector);
Node* context = Parameter(Descriptor::kContext);
TailCallRuntime(Runtime::kLoadGlobalIC_Slow, context, name, slot, vector);
}
void Builtins::Generate_LoadIC_Getter_ForDeopt(MacroAssembler* masm) {
NamedLoadHandlerCompiler::GenerateLoadViaGetterForDeopt(masm);
}
TF_BUILTIN(LoadIC_FunctionPrototype, CodeStubAssembler) {
typedef LoadWithVectorDescriptor Descriptor;
Node* receiver = Parameter(Descriptor::kReceiver);
Node* name = Parameter(Descriptor::kName);
Node* slot = Parameter(Descriptor::kSlot);
Node* vector = Parameter(Descriptor::kVector);
Node* context = Parameter(Descriptor::kContext);
Label miss(this);
Node* proto_or_map =
LoadObjectField(receiver, JSFunction::kPrototypeOrInitialMapOffset);
GotoIf(IsTheHole(proto_or_map), &miss);
Variable var_result(this, MachineRepresentation::kTagged, proto_or_map);
Label done(this, &var_result);
GotoIfNot(IsMap(proto_or_map), &done);
var_result.Bind(LoadMapPrototype(proto_or_map));
Goto(&done);
Bind(&done);
Return(var_result.value());
Bind(&miss);
TailCallRuntime(Runtime::kLoadIC_Miss, context, receiver, name, slot, vector);
}
TF_BUILTIN(LoadIC_Miss, CodeStubAssembler) {
typedef LoadWithVectorDescriptor Descriptor;
Node* receiver = Parameter(Descriptor::kReceiver);
Node* name = Parameter(Descriptor::kName);
Node* slot = Parameter(Descriptor::kSlot);
Node* vector = Parameter(Descriptor::kVector);
Node* context = Parameter(Descriptor::kContext);
TailCallRuntime(Runtime::kLoadIC_Miss, context, receiver, name, slot, vector);
}
TF_BUILTIN(LoadIC_Normal, CodeStubAssembler) {
typedef LoadWithVectorDescriptor Descriptor;
Node* receiver = Parameter(Descriptor::kReceiver);
Node* name = Parameter(Descriptor::kName);
Node* context = Parameter(Descriptor::kContext);
Label slow(this);
{
Node* properties = LoadProperties(receiver);
Variable var_name_index(this, MachineType::PointerRepresentation());
Label found(this, &var_name_index);
NameDictionaryLookup<NameDictionary>(properties, name, &found,
&var_name_index, &slow);
Bind(&found);
{
Variable var_details(this, MachineRepresentation::kWord32);
Variable var_value(this, MachineRepresentation::kTagged);
LoadPropertyFromNameDictionary(properties, var_name_index.value(),
&var_details, &var_value);
Node* value = CallGetterIfAccessor(var_value.value(), var_details.value(),
context, receiver, &slow);
Return(value);
}
}
Bind(&slow);
TailCallRuntime(Runtime::kGetProperty, context, receiver, name);
}
TF_BUILTIN(LoadIC_Slow, CodeStubAssembler) {
typedef LoadWithVectorDescriptor Descriptor;
Node* receiver = Parameter(Descriptor::kReceiver);
Node* name = Parameter(Descriptor::kName);
Node* context = Parameter(Descriptor::kContext);
TailCallRuntime(Runtime::kGetProperty, context, receiver, name);
}
TF_BUILTIN(StoreIC_Miss, CodeStubAssembler) {
typedef StoreWithVectorDescriptor Descriptor;
Node* receiver = Parameter(Descriptor::kReceiver);
Node* name = Parameter(Descriptor::kName);
Node* value = Parameter(Descriptor::kValue);
Node* slot = Parameter(Descriptor::kSlot);
Node* vector = Parameter(Descriptor::kVector);
Node* context = Parameter(Descriptor::kContext);
TailCallRuntime(Runtime::kStoreIC_Miss, context, value, slot, vector,
receiver, name);
}
TF_BUILTIN(StoreIC_Normal, CodeStubAssembler) {
typedef StoreWithVectorDescriptor Descriptor;
Node* receiver = Parameter(Descriptor::kReceiver);
Node* name = Parameter(Descriptor::kName);
Node* value = Parameter(Descriptor::kValue);
Node* slot = Parameter(Descriptor::kSlot);
Node* vector = Parameter(Descriptor::kVector);
Node* context = Parameter(Descriptor::kContext);
Label slow(this);
{
Node* properties = LoadProperties(receiver);
Variable var_name_index(this, MachineType::PointerRepresentation());
Label found(this, &var_name_index);
NameDictionaryLookup<NameDictionary>(properties, name, &found,
&var_name_index, &slow);
Bind(&found);
{
Node* details = LoadDetailsByKeyIndex<NameDictionary>(
properties, var_name_index.value());
// Check that the property is a writable data property (no accessor).
const int kTypeAndReadOnlyMask = PropertyDetails::KindField::kMask |
PropertyDetails::kAttributesReadOnlyMask;
STATIC_ASSERT(kData == 0);
GotoIf(IsSetWord32(details, kTypeAndReadOnlyMask), &slow);
StoreValueByKeyIndex<NameDictionary>(properties, var_name_index.value(),
value);
Return(value);
}
}
Bind(&slow);
TailCallRuntime(Runtime::kStoreIC_Miss, context, value, slot, vector,
receiver, name);
}
void Builtins::Generate_StoreIC_Setter_ForDeopt(MacroAssembler* masm) {
NamedStoreHandlerCompiler::GenerateStoreViaSetterForDeopt(masm);
}
} // namespace internal
} // namespace v8