| Index: src/ic/arm64/ic-compiler-arm64.cc
|
| diff --git a/src/ic/arm64/ic-compiler-arm64.cc b/src/ic/arm64/ic-compiler-arm64.cc
|
| index 3e7f8f50a0a39c8d00819b70d103f7d1a7605aa1..64b505030b089253bad1a89c0127d8fd52059591 100644
|
| --- a/src/ic/arm64/ic-compiler-arm64.cc
|
| +++ b/src/ic/arm64/ic-compiler-arm64.cc
|
| @@ -6,7 +6,6 @@
|
|
|
| #if V8_TARGET_ARCH_ARM64
|
|
|
| -#include "src/ic/call-optimization.h"
|
| #include "src/ic/ic-compiler.h"
|
|
|
| namespace v8 {
|
| @@ -14,784 +13,18 @@ namespace internal {
|
|
|
| #define __ ACCESS_MASM(masm)
|
|
|
| +void PropertyICCompiler::GenerateRuntimeSetProperty(MacroAssembler* masm,
|
| + StrictMode strict_mode) {
|
| + ASM_LOCATION("PropertyICCompiler::GenerateRuntimeSetProperty");
|
|
|
| -void PropertyHandlerCompiler::GenerateDictionaryNegativeLookup(
|
| - MacroAssembler* masm, Label* miss_label, Register receiver,
|
| - Handle<Name> name, Register scratch0, Register scratch1) {
|
| - DCHECK(!AreAliased(receiver, scratch0, scratch1));
|
| - DCHECK(name->IsUniqueName());
|
| - Counters* counters = masm->isolate()->counters();
|
| - __ IncrementCounter(counters->negative_lookups(), 1, scratch0, scratch1);
|
| - __ IncrementCounter(counters->negative_lookups_miss(), 1, scratch0, scratch1);
|
| -
|
| - Label done;
|
| -
|
| - const int kInterceptorOrAccessCheckNeededMask =
|
| - (1 << Map::kHasNamedInterceptor) | (1 << Map::kIsAccessCheckNeeded);
|
| -
|
| - // Bail out if the receiver has a named interceptor or requires access checks.
|
| - Register map = scratch1;
|
| - __ Ldr(map, FieldMemOperand(receiver, HeapObject::kMapOffset));
|
| - __ Ldrb(scratch0, FieldMemOperand(map, Map::kBitFieldOffset));
|
| - __ Tst(scratch0, kInterceptorOrAccessCheckNeededMask);
|
| - __ B(ne, miss_label);
|
| -
|
| - // Check that receiver is a JSObject.
|
| - __ Ldrb(scratch0, FieldMemOperand(map, Map::kInstanceTypeOffset));
|
| - __ Cmp(scratch0, FIRST_SPEC_OBJECT_TYPE);
|
| - __ B(lt, miss_label);
|
| -
|
| - // Load properties array.
|
| - Register properties = scratch0;
|
| - __ Ldr(properties, FieldMemOperand(receiver, JSObject::kPropertiesOffset));
|
| - // Check that the properties array is a dictionary.
|
| - __ Ldr(map, FieldMemOperand(properties, HeapObject::kMapOffset));
|
| - __ JumpIfNotRoot(map, Heap::kHashTableMapRootIndex, miss_label);
|
| -
|
| - NameDictionaryLookupStub::GenerateNegativeLookup(
|
| - masm, miss_label, &done, receiver, properties, name, scratch1);
|
| - __ Bind(&done);
|
| - __ DecrementCounter(counters->negative_lookups_miss(), 1, scratch0, scratch1);
|
| -}
|
| -
|
| -
|
| -void NamedLoadHandlerCompiler::GenerateDirectLoadGlobalFunctionPrototype(
|
| - MacroAssembler* masm, int index, Register prototype, Label* miss) {
|
| - Isolate* isolate = masm->isolate();
|
| - // Get the global function with the given index.
|
| - Handle<JSFunction> function(
|
| - JSFunction::cast(isolate->native_context()->get(index)));
|
| -
|
| - // Check we're still in the same context.
|
| - Register scratch = prototype;
|
| - __ Ldr(scratch, GlobalObjectMemOperand());
|
| - __ Ldr(scratch, FieldMemOperand(scratch, GlobalObject::kNativeContextOffset));
|
| - __ Ldr(scratch, ContextMemOperand(scratch, index));
|
| - __ Cmp(scratch, Operand(function));
|
| - __ B(ne, miss);
|
| -
|
| - // Load its initial map. The global functions all have initial maps.
|
| - __ Mov(prototype, Operand(Handle<Map>(function->initial_map())));
|
| - // Load the prototype from the initial map.
|
| - __ Ldr(prototype, FieldMemOperand(prototype, Map::kPrototypeOffset));
|
| -}
|
| -
|
| -
|
| -void NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype(
|
| - MacroAssembler* masm, Register receiver, Register scratch1,
|
| - Register scratch2, Label* miss_label) {
|
| - __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label);
|
| - // TryGetFunctionPrototype can't put the result directly in x0 because the
|
| - // 3 inputs registers can't alias and we call this function from
|
| - // LoadIC::GenerateFunctionPrototype, where receiver is x0. So we explicitly
|
| - // move the result in x0.
|
| - __ Mov(x0, scratch1);
|
| - __ Ret();
|
| -}
|
| -
|
| -
|
| -// Generate code to check that a global property cell is empty. Create
|
| -// the property cell at compilation time if no cell exists for the
|
| -// property.
|
| -void PropertyHandlerCompiler::GenerateCheckPropertyCell(
|
| - MacroAssembler* masm, Handle<JSGlobalObject> global, Handle<Name> name,
|
| - Register scratch, Label* miss) {
|
| - Handle<Cell> cell = JSGlobalObject::EnsurePropertyCell(global, name);
|
| - DCHECK(cell->value()->IsTheHole());
|
| - __ Mov(scratch, Operand(cell));
|
| - __ Ldr(scratch, FieldMemOperand(scratch, Cell::kValueOffset));
|
| - __ JumpIfNotRoot(scratch, Heap::kTheHoleValueRootIndex, miss);
|
| -}
|
| -
|
| -
|
| -static void PushInterceptorArguments(MacroAssembler* masm, Register receiver,
|
| - Register holder, Register name,
|
| - Handle<JSObject> holder_obj) {
|
| - STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsNameIndex == 0);
|
| - STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsInfoIndex == 1);
|
| - STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsThisIndex == 2);
|
| - STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsHolderIndex == 3);
|
| - STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsLength == 4);
|
| -
|
| - __ Push(name);
|
| - Handle<InterceptorInfo> interceptor(holder_obj->GetNamedInterceptor());
|
| - DCHECK(!masm->isolate()->heap()->InNewSpace(*interceptor));
|
| - Register scratch = name;
|
| - __ Mov(scratch, Operand(interceptor));
|
| - __ Push(scratch, receiver, holder);
|
| -}
|
| -
|
| -
|
| -static void CompileCallLoadPropertyWithInterceptor(
|
| - MacroAssembler* masm, Register receiver, Register holder, Register name,
|
| - Handle<JSObject> holder_obj, IC::UtilityId id) {
|
| - PushInterceptorArguments(masm, receiver, holder, name, holder_obj);
|
| -
|
| - __ CallExternalReference(ExternalReference(IC_Utility(id), masm->isolate()),
|
| - NamedLoadHandlerCompiler::kInterceptorArgsLength);
|
| -}
|
| -
|
| -
|
| -// Generate call to api function.
|
| -void PropertyHandlerCompiler::GenerateFastApiCall(
|
| - MacroAssembler* masm, const CallOptimization& optimization,
|
| - Handle<Map> receiver_map, Register receiver, Register scratch,
|
| - bool is_store, int argc, Register* values) {
|
| - DCHECK(!AreAliased(receiver, scratch));
|
| -
|
| - MacroAssembler::PushPopQueue queue(masm);
|
| - queue.Queue(receiver);
|
| - // Write the arguments to the stack frame.
|
| - for (int i = 0; i < argc; i++) {
|
| - Register arg = values[argc - 1 - i];
|
| - DCHECK(!AreAliased(receiver, scratch, arg));
|
| - queue.Queue(arg);
|
| - }
|
| - queue.PushQueued();
|
| -
|
| - DCHECK(optimization.is_simple_api_call());
|
| -
|
| - // Abi for CallApiFunctionStub.
|
| - Register callee = x0;
|
| - Register call_data = x4;
|
| - Register holder = x2;
|
| - Register api_function_address = x1;
|
| -
|
| - // Put holder in place.
|
| - CallOptimization::HolderLookup holder_lookup;
|
| - Handle<JSObject> api_holder =
|
| - optimization.LookupHolderOfExpectedType(receiver_map, &holder_lookup);
|
| - switch (holder_lookup) {
|
| - case CallOptimization::kHolderIsReceiver:
|
| - __ Mov(holder, receiver);
|
| - break;
|
| - case CallOptimization::kHolderFound:
|
| - __ LoadObject(holder, api_holder);
|
| - break;
|
| - case CallOptimization::kHolderNotFound:
|
| - UNREACHABLE();
|
| - break;
|
| - }
|
| -
|
| - Isolate* isolate = masm->isolate();
|
| - Handle<JSFunction> function = optimization.constant_function();
|
| - Handle<CallHandlerInfo> api_call_info = optimization.api_call_info();
|
| - Handle<Object> call_data_obj(api_call_info->data(), isolate);
|
| -
|
| - // Put callee in place.
|
| - __ LoadObject(callee, function);
|
| -
|
| - bool call_data_undefined = false;
|
| - // Put call_data in place.
|
| - if (isolate->heap()->InNewSpace(*call_data_obj)) {
|
| - __ LoadObject(call_data, api_call_info);
|
| - __ Ldr(call_data, FieldMemOperand(call_data, CallHandlerInfo::kDataOffset));
|
| - } else if (call_data_obj->IsUndefined()) {
|
| - call_data_undefined = true;
|
| - __ LoadRoot(call_data, Heap::kUndefinedValueRootIndex);
|
| - } else {
|
| - __ LoadObject(call_data, call_data_obj);
|
| - }
|
| -
|
| - // Put api_function_address in place.
|
| - Address function_address = v8::ToCData<Address>(api_call_info->callback());
|
| - ApiFunction fun(function_address);
|
| - ExternalReference ref = ExternalReference(
|
| - &fun, ExternalReference::DIRECT_API_CALL, masm->isolate());
|
| - __ Mov(api_function_address, ref);
|
| -
|
| - // Jump to stub.
|
| - CallApiFunctionStub stub(isolate, is_store, call_data_undefined, argc);
|
| - __ TailCallStub(&stub);
|
| -}
|
| -
|
| -
|
| -#undef __
|
| -#define __ ACCESS_MASM(masm())
|
| -
|
| -
|
| -void NamedStoreHandlerCompiler::GenerateRestoreName(Label* label,
|
| - Handle<Name> name) {
|
| - if (!label->is_unused()) {
|
| - __ Bind(label);
|
| - __ Mov(this->name(), Operand(name));
|
| - }
|
| -}
|
| -
|
| -
|
| -// Generate StoreTransition code, value is passed in x0 register.
|
| -// When leaving generated code after success, the receiver_reg and storage_reg
|
| -// may be clobbered. Upon branch to miss_label, the receiver and name registers
|
| -// have their original values.
|
| -void NamedStoreHandlerCompiler::GenerateStoreTransition(
|
| - Handle<Map> transition, Handle<Name> name, Register receiver_reg,
|
| - Register storage_reg, Register value_reg, Register scratch1,
|
| - Register scratch2, Register scratch3, Label* miss_label, Label* slow) {
|
| - Label exit;
|
| -
|
| - DCHECK(!AreAliased(receiver_reg, storage_reg, value_reg, scratch1, scratch2,
|
| - scratch3));
|
| -
|
| - // We don't need scratch3.
|
| - scratch3 = NoReg;
|
| -
|
| - int descriptor = transition->LastAdded();
|
| - DescriptorArray* descriptors = transition->instance_descriptors();
|
| - PropertyDetails details = descriptors->GetDetails(descriptor);
|
| - Representation representation = details.representation();
|
| - DCHECK(!representation.IsNone());
|
| -
|
| - if (details.type() == CONSTANT) {
|
| - Handle<Object> constant(descriptors->GetValue(descriptor), isolate());
|
| - __ LoadObject(scratch1, constant);
|
| - __ Cmp(value_reg, scratch1);
|
| - __ B(ne, miss_label);
|
| - } else if (representation.IsSmi()) {
|
| - __ JumpIfNotSmi(value_reg, miss_label);
|
| - } else if (representation.IsHeapObject()) {
|
| - __ JumpIfSmi(value_reg, miss_label);
|
| - HeapType* field_type = descriptors->GetFieldType(descriptor);
|
| - HeapType::Iterator<Map> it = field_type->Classes();
|
| - if (!it.Done()) {
|
| - __ Ldr(scratch1, FieldMemOperand(value_reg, HeapObject::kMapOffset));
|
| - Label do_store;
|
| - while (true) {
|
| - __ CompareMap(scratch1, it.Current());
|
| - it.Advance();
|
| - if (it.Done()) {
|
| - __ B(ne, miss_label);
|
| - break;
|
| - }
|
| - __ B(eq, &do_store);
|
| - }
|
| - __ Bind(&do_store);
|
| - }
|
| - } else if (representation.IsDouble()) {
|
| - UseScratchRegisterScope temps(masm());
|
| - DoubleRegister temp_double = temps.AcquireD();
|
| - __ SmiUntagToDouble(temp_double, value_reg, kSpeculativeUntag);
|
| -
|
| - Label do_store;
|
| - __ JumpIfSmi(value_reg, &do_store);
|
| -
|
| - __ CheckMap(value_reg, scratch1, Heap::kHeapNumberMapRootIndex, miss_label,
|
| - DONT_DO_SMI_CHECK);
|
| - __ Ldr(temp_double, FieldMemOperand(value_reg, HeapNumber::kValueOffset));
|
| -
|
| - __ Bind(&do_store);
|
| - __ AllocateHeapNumber(storage_reg, slow, scratch1, scratch2, temp_double,
|
| - NoReg, MUTABLE);
|
| - }
|
| -
|
| - // Stub never generated for objects that require access checks.
|
| - DCHECK(!transition->is_access_check_needed());
|
| -
|
| - // Perform map transition for the receiver if necessary.
|
| - if (details.type() == FIELD &&
|
| - Map::cast(transition->GetBackPointer())->unused_property_fields() == 0) {
|
| - // The properties must be extended before we can store the value.
|
| - // We jump to a runtime call that extends the properties array.
|
| - __ Mov(scratch1, Operand(transition));
|
| - __ Push(receiver_reg, scratch1, value_reg);
|
| - __ TailCallExternalReference(
|
| - ExternalReference(IC_Utility(IC::kSharedStoreIC_ExtendStorage),
|
| - isolate()),
|
| - 3, 1);
|
| - return;
|
| - }
|
| -
|
| - // Update the map of the object.
|
| - __ Mov(scratch1, Operand(transition));
|
| - __ Str(scratch1, FieldMemOperand(receiver_reg, HeapObject::kMapOffset));
|
| -
|
| - // Update the write barrier for the map field.
|
| - __ RecordWriteField(receiver_reg, HeapObject::kMapOffset, scratch1, scratch2,
|
| - kLRHasNotBeenSaved, kDontSaveFPRegs, OMIT_REMEMBERED_SET,
|
| - OMIT_SMI_CHECK);
|
| -
|
| - if (details.type() == CONSTANT) {
|
| - DCHECK(value_reg.is(x0));
|
| - __ Ret();
|
| - return;
|
| - }
|
| -
|
| - int index = transition->instance_descriptors()->GetFieldIndex(
|
| - transition->LastAdded());
|
| -
|
| - // Adjust for the number of properties stored in the object. Even in the
|
| - // face of a transition we can use the old map here because the size of the
|
| - // object and the number of in-object properties is not going to change.
|
| - index -= transition->inobject_properties();
|
| -
|
| - // TODO(verwaest): Share this code as a code stub.
|
| - SmiCheck smi_check =
|
| - representation.IsTagged() ? INLINE_SMI_CHECK : OMIT_SMI_CHECK;
|
| - Register prop_reg = representation.IsDouble() ? storage_reg : value_reg;
|
| - if (index < 0) {
|
| - // Set the property straight into the object.
|
| - int offset = transition->instance_size() + (index * kPointerSize);
|
| - __ Str(prop_reg, FieldMemOperand(receiver_reg, offset));
|
| -
|
| - if (!representation.IsSmi()) {
|
| - // Update the write barrier for the array address.
|
| - if (!representation.IsDouble()) {
|
| - __ Mov(storage_reg, value_reg);
|
| - }
|
| - __ RecordWriteField(receiver_reg, offset, storage_reg, scratch1,
|
| - kLRHasNotBeenSaved, kDontSaveFPRegs,
|
| - EMIT_REMEMBERED_SET, smi_check);
|
| - }
|
| - } else {
|
| - // Write to the properties array.
|
| - int offset = index * kPointerSize + FixedArray::kHeaderSize;
|
| - // Get the properties array
|
| - __ Ldr(scratch1,
|
| - FieldMemOperand(receiver_reg, JSObject::kPropertiesOffset));
|
| - __ Str(prop_reg, FieldMemOperand(scratch1, offset));
|
| -
|
| - if (!representation.IsSmi()) {
|
| - // Update the write barrier for the array address.
|
| - if (!representation.IsDouble()) {
|
| - __ Mov(storage_reg, value_reg);
|
| - }
|
| - __ RecordWriteField(scratch1, offset, storage_reg, receiver_reg,
|
| - kLRHasNotBeenSaved, kDontSaveFPRegs,
|
| - EMIT_REMEMBERED_SET, smi_check);
|
| - }
|
| - }
|
| -
|
| - __ Bind(&exit);
|
| - // Return the value (register x0).
|
| - DCHECK(value_reg.is(x0));
|
| - __ Ret();
|
| -}
|
| -
|
| -
|
| -void NamedStoreHandlerCompiler::GenerateStoreField(LookupIterator* lookup,
|
| - Register value_reg,
|
| - Label* miss_label) {
|
| - DCHECK(lookup->representation().IsHeapObject());
|
| - __ JumpIfSmi(value_reg, miss_label);
|
| - HeapType::Iterator<Map> it = lookup->GetFieldType()->Classes();
|
| - __ Ldr(scratch1(), FieldMemOperand(value_reg, HeapObject::kMapOffset));
|
| - Label do_store;
|
| - while (true) {
|
| - __ CompareMap(scratch1(), it.Current());
|
| - it.Advance();
|
| - if (it.Done()) {
|
| - __ B(ne, miss_label);
|
| - break;
|
| - }
|
| - __ B(eq, &do_store);
|
| - }
|
| - __ Bind(&do_store);
|
| -
|
| - StoreFieldStub stub(isolate(), lookup->GetFieldIndex(),
|
| - lookup->representation());
|
| - GenerateTailCall(masm(), stub.GetCode());
|
| -}
|
| -
|
| -
|
| -Register PropertyHandlerCompiler::CheckPrototypes(
|
| - Register object_reg, Register holder_reg, Register scratch1,
|
| - Register scratch2, Handle<Name> name, Label* miss,
|
| - PrototypeCheckType check) {
|
| - Handle<Map> receiver_map(IC::TypeToMap(*type(), isolate()));
|
| -
|
| - // object_reg and holder_reg registers can alias.
|
| - DCHECK(!AreAliased(object_reg, scratch1, scratch2));
|
| - DCHECK(!AreAliased(holder_reg, scratch1, scratch2));
|
| -
|
| - // Keep track of the current object in register reg.
|
| - Register reg = object_reg;
|
| - int depth = 0;
|
| -
|
| - Handle<JSObject> current = Handle<JSObject>::null();
|
| - if (type()->IsConstant()) {
|
| - current = Handle<JSObject>::cast(type()->AsConstant()->Value());
|
| - }
|
| - Handle<JSObject> prototype = Handle<JSObject>::null();
|
| - Handle<Map> current_map = receiver_map;
|
| - Handle<Map> holder_map(holder()->map());
|
| - // Traverse the prototype chain and check the maps in the prototype chain for
|
| - // fast and global objects or do negative lookup for normal objects.
|
| - while (!current_map.is_identical_to(holder_map)) {
|
| - ++depth;
|
| -
|
| - // Only global objects and objects that do not require access
|
| - // checks are allowed in stubs.
|
| - DCHECK(current_map->IsJSGlobalProxyMap() ||
|
| - !current_map->is_access_check_needed());
|
| -
|
| - prototype = handle(JSObject::cast(current_map->prototype()));
|
| - if (current_map->is_dictionary_map() &&
|
| - !current_map->IsJSGlobalObjectMap()) {
|
| - DCHECK(!current_map->IsJSGlobalProxyMap()); // Proxy maps are fast.
|
| - if (!name->IsUniqueName()) {
|
| - DCHECK(name->IsString());
|
| - name = factory()->InternalizeString(Handle<String>::cast(name));
|
| - }
|
| - DCHECK(current.is_null() || (current->property_dictionary()->FindEntry(
|
| - name) == NameDictionary::kNotFound));
|
| -
|
| - GenerateDictionaryNegativeLookup(masm(), miss, reg, name, scratch1,
|
| - scratch2);
|
| -
|
| - __ Ldr(scratch1, FieldMemOperand(reg, HeapObject::kMapOffset));
|
| - reg = holder_reg; // From now on the object will be in holder_reg.
|
| - __ Ldr(reg, FieldMemOperand(scratch1, Map::kPrototypeOffset));
|
| - } else {
|
| - // Two possible reasons for loading the prototype from the map:
|
| - // (1) Can't store references to new space in code.
|
| - // (2) Handler is shared for all receivers with the same prototype
|
| - // map (but not necessarily the same prototype instance).
|
| - bool load_prototype_from_map =
|
| - heap()->InNewSpace(*prototype) || depth == 1;
|
| - Register map_reg = scratch1;
|
| - __ Ldr(map_reg, FieldMemOperand(reg, HeapObject::kMapOffset));
|
| -
|
| - if (depth != 1 || check == CHECK_ALL_MAPS) {
|
| - __ CheckMap(map_reg, current_map, miss, DONT_DO_SMI_CHECK);
|
| - }
|
| -
|
| - // Check access rights to the global object. This has to happen after
|
| - // the map check so that we know that the object is actually a global
|
| - // object.
|
| - // This allows us to install generated handlers for accesses to the
|
| - // global proxy (as opposed to using slow ICs). See corresponding code
|
| - // in LookupForRead().
|
| - if (current_map->IsJSGlobalProxyMap()) {
|
| - UseScratchRegisterScope temps(masm());
|
| - __ CheckAccessGlobalProxy(reg, scratch2, temps.AcquireX(), miss);
|
| - } else if (current_map->IsJSGlobalObjectMap()) {
|
| - GenerateCheckPropertyCell(masm(), Handle<JSGlobalObject>::cast(current),
|
| - name, scratch2, miss);
|
| - }
|
| -
|
| - reg = holder_reg; // From now on the object will be in holder_reg.
|
| -
|
| - if (load_prototype_from_map) {
|
| - __ Ldr(reg, FieldMemOperand(map_reg, Map::kPrototypeOffset));
|
| - } else {
|
| - __ Mov(reg, Operand(prototype));
|
| - }
|
| - }
|
| -
|
| - // Go to the next object in the prototype chain.
|
| - current = prototype;
|
| - current_map = handle(current->map());
|
| - }
|
| -
|
| - // Log the check depth.
|
| - LOG(isolate(), IntEvent("check-maps-depth", depth + 1));
|
| -
|
| - // Check the holder map.
|
| - if (depth != 0 || check == CHECK_ALL_MAPS) {
|
| - // Check the holder map.
|
| - __ CheckMap(reg, scratch1, current_map, miss, DONT_DO_SMI_CHECK);
|
| - }
|
| -
|
| - // Perform security check for access to the global object.
|
| - DCHECK(current_map->IsJSGlobalProxyMap() ||
|
| - !current_map->is_access_check_needed());
|
| - if (current_map->IsJSGlobalProxyMap()) {
|
| - __ CheckAccessGlobalProxy(reg, scratch1, scratch2, miss);
|
| - }
|
| -
|
| - // Return the register containing the holder.
|
| - return reg;
|
| -}
|
| -
|
| -
|
| -void NamedLoadHandlerCompiler::FrontendFooter(Handle<Name> name, Label* miss) {
|
| - if (!miss->is_unused()) {
|
| - Label success;
|
| - __ B(&success);
|
| -
|
| - __ Bind(miss);
|
| - TailCallBuiltin(masm(), MissBuiltin(kind()));
|
| -
|
| - __ Bind(&success);
|
| - }
|
| -}
|
| -
|
| -
|
| -void NamedStoreHandlerCompiler::FrontendFooter(Handle<Name> name, Label* miss) {
|
| - if (!miss->is_unused()) {
|
| - Label success;
|
| - __ B(&success);
|
| -
|
| - GenerateRestoreName(miss, name);
|
| - TailCallBuiltin(masm(), MissBuiltin(kind()));
|
| -
|
| - __ Bind(&success);
|
| - }
|
| -}
|
| -
|
| -
|
| -void NamedLoadHandlerCompiler::GenerateLoadConstant(Handle<Object> value) {
|
| - // Return the constant value.
|
| - __ LoadObject(x0, value);
|
| - __ Ret();
|
| -}
|
| -
|
| -
|
| -void NamedLoadHandlerCompiler::GenerateLoadCallback(
|
| - Register reg, Handle<ExecutableAccessorInfo> callback) {
|
| - DCHECK(!AreAliased(scratch2(), scratch3(), scratch4(), reg));
|
| -
|
| - // Build ExecutableAccessorInfo::args_ list on the stack and push property
|
| - // name below the exit frame to make GC aware of them and store pointers to
|
| - // them.
|
| - STATIC_ASSERT(PropertyCallbackArguments::kHolderIndex == 0);
|
| - STATIC_ASSERT(PropertyCallbackArguments::kIsolateIndex == 1);
|
| - STATIC_ASSERT(PropertyCallbackArguments::kReturnValueDefaultValueIndex == 2);
|
| - STATIC_ASSERT(PropertyCallbackArguments::kReturnValueOffset == 3);
|
| - STATIC_ASSERT(PropertyCallbackArguments::kDataIndex == 4);
|
| - STATIC_ASSERT(PropertyCallbackArguments::kThisIndex == 5);
|
| - STATIC_ASSERT(PropertyCallbackArguments::kArgsLength == 6);
|
| -
|
| - __ Push(receiver());
|
| -
|
| - if (heap()->InNewSpace(callback->data())) {
|
| - __ Mov(scratch3(), Operand(callback));
|
| - __ Ldr(scratch3(),
|
| - FieldMemOperand(scratch3(), ExecutableAccessorInfo::kDataOffset));
|
| - } else {
|
| - __ Mov(scratch3(), Operand(Handle<Object>(callback->data(), isolate())));
|
| - }
|
| - __ LoadRoot(scratch4(), Heap::kUndefinedValueRootIndex);
|
| - __ Mov(scratch2(), Operand(ExternalReference::isolate_address(isolate())));
|
| - __ Push(scratch3(), scratch4(), scratch4(), scratch2(), reg, name());
|
| -
|
| - Register args_addr = scratch2();
|
| - __ Add(args_addr, __ StackPointer(), kPointerSize);
|
| -
|
| - // Stack at this point:
|
| - // sp[40] callback data
|
| - // sp[32] undefined
|
| - // sp[24] undefined
|
| - // sp[16] isolate
|
| - // args_addr -> sp[8] reg
|
| - // sp[0] name
|
| -
|
| - // Abi for CallApiGetter.
|
| - Register getter_address_reg = x2;
|
| -
|
| - // Set up the call.
|
| - Address getter_address = v8::ToCData<Address>(callback->getter());
|
| - ApiFunction fun(getter_address);
|
| - ExternalReference::Type type = ExternalReference::DIRECT_GETTER_CALL;
|
| - ExternalReference ref = ExternalReference(&fun, type, isolate());
|
| - __ Mov(getter_address_reg, ref);
|
| -
|
| - CallApiGetterStub stub(isolate());
|
| - __ TailCallStub(&stub);
|
| -}
|
| -
|
| -
|
| -void NamedLoadHandlerCompiler::GenerateLoadInterceptorWithFollowup(
|
| - LookupIterator* it, Register holder_reg) {
|
| - DCHECK(!AreAliased(receiver(), this->name(), scratch1(), scratch2(),
|
| - scratch3()));
|
| - DCHECK(holder()->HasNamedInterceptor());
|
| - DCHECK(!holder()->GetNamedInterceptor()->getter()->IsUndefined());
|
| -
|
| - // Compile the interceptor call, followed by inline code to load the
|
| - // property from further up the prototype chain if the call fails.
|
| - // Check that the maps haven't changed.
|
| - DCHECK(holder_reg.is(receiver()) || holder_reg.is(scratch1()));
|
| -
|
| - // Preserve the receiver register explicitly whenever it is different from the
|
| - // holder and it is needed should the interceptor return without any result.
|
| - // The ACCESSOR case needs the receiver to be passed into C++ code, the FIELD
|
| - // case might cause a miss during the prototype check.
|
| - bool must_perform_prototype_check =
|
| - !holder().is_identical_to(it->GetHolder<JSObject>());
|
| - bool must_preserve_receiver_reg =
|
| - !receiver().is(holder_reg) &&
|
| - (it->property_kind() == LookupIterator::ACCESSOR ||
|
| - must_perform_prototype_check);
|
| -
|
| - // Save necessary data before invoking an interceptor.
|
| - // Requires a frame to make GC aware of pushed pointers.
|
| - {
|
| - FrameScope frame_scope(masm(), StackFrame::INTERNAL);
|
| - if (must_preserve_receiver_reg) {
|
| - __ Push(receiver(), holder_reg, this->name());
|
| - } else {
|
| - __ Push(holder_reg, this->name());
|
| - }
|
| - // Invoke an interceptor. Note: map checks from receiver to
|
| - // interceptor's holder has been compiled before (see a caller
|
| - // of this method.)
|
| - CompileCallLoadPropertyWithInterceptor(
|
| - masm(), receiver(), holder_reg, this->name(), holder(),
|
| - IC::kLoadPropertyWithInterceptorOnly);
|
| -
|
| - // Check if interceptor provided a value for property. If it's
|
| - // the case, return immediately.
|
| - Label interceptor_failed;
|
| - __ JumpIfRoot(x0, Heap::kNoInterceptorResultSentinelRootIndex,
|
| - &interceptor_failed);
|
| - frame_scope.GenerateLeaveFrame();
|
| - __ Ret();
|
| -
|
| - __ Bind(&interceptor_failed);
|
| - if (must_preserve_receiver_reg) {
|
| - __ Pop(this->name(), holder_reg, receiver());
|
| - } else {
|
| - __ Pop(this->name(), holder_reg);
|
| - }
|
| - // Leave the internal frame.
|
| - }
|
| -
|
| - GenerateLoadPostInterceptor(it, holder_reg);
|
| -}
|
| -
|
| -
|
| -void NamedLoadHandlerCompiler::GenerateLoadInterceptor(Register holder_reg) {
|
| - // Call the runtime system to load the interceptor.
|
| - DCHECK(holder()->HasNamedInterceptor());
|
| - DCHECK(!holder()->GetNamedInterceptor()->getter()->IsUndefined());
|
| - PushInterceptorArguments(masm(), receiver(), holder_reg, this->name(),
|
| - holder());
|
| -
|
| - ExternalReference ref = ExternalReference(
|
| - IC_Utility(IC::kLoadPropertyWithInterceptor), isolate());
|
| - __ TailCallExternalReference(
|
| - ref, NamedLoadHandlerCompiler::kInterceptorArgsLength, 1);
|
| -}
|
| -
|
| -
|
| -Handle<Code> NamedStoreHandlerCompiler::CompileStoreCallback(
|
| - Handle<JSObject> object, Handle<Name> name,
|
| - Handle<ExecutableAccessorInfo> callback) {
|
| - ASM_LOCATION("NamedStoreHandlerCompiler::CompileStoreCallback");
|
| - Register holder_reg = Frontend(receiver(), name);
|
| -
|
| - // Stub never generated for non-global objects that require access checks.
|
| - DCHECK(holder()->IsJSGlobalProxy() || !holder()->IsAccessCheckNeeded());
|
| -
|
| - // receiver() and holder_reg can alias.
|
| - DCHECK(!AreAliased(receiver(), scratch1(), scratch2(), value()));
|
| - DCHECK(!AreAliased(holder_reg, scratch1(), scratch2(), value()));
|
| - __ Mov(scratch1(), Operand(callback));
|
| - __ Mov(scratch2(), Operand(name));
|
| - __ Push(receiver(), holder_reg, scratch1(), scratch2(), value());
|
| -
|
| - // Do tail-call to the runtime system.
|
| - ExternalReference store_callback_property =
|
| - ExternalReference(IC_Utility(IC::kStoreCallbackProperty), isolate());
|
| - __ TailCallExternalReference(store_callback_property, 5, 1);
|
| -
|
| - // Return the generated code.
|
| - return GetCode(kind(), Code::FAST, name);
|
| -}
|
| -
|
| -
|
| -#undef __
|
| -#define __ ACCESS_MASM(masm)
|
| -
|
| -
|
| -void NamedStoreHandlerCompiler::GenerateStoreViaSetter(
|
| - MacroAssembler* masm, Handle<HeapType> type, Register receiver,
|
| - Handle<JSFunction> setter) {
|
| - // ----------- S t a t e -------------
|
| - // -- lr : return address
|
| - // -----------------------------------
|
| - Label miss;
|
| -
|
| - {
|
| - FrameScope scope(masm, StackFrame::INTERNAL);
|
| -
|
| - // Save value register, so we can restore it later.
|
| - __ Push(value());
|
| -
|
| - if (!setter.is_null()) {
|
| - // Call the JavaScript setter with receiver and value on the stack.
|
| - if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) {
|
| - // Swap in the global receiver.
|
| - __ Ldr(receiver,
|
| - FieldMemOperand(receiver, JSGlobalObject::kGlobalProxyOffset));
|
| - }
|
| - __ Push(receiver, value());
|
| - ParameterCount actual(1);
|
| - ParameterCount expected(setter);
|
| - __ InvokeFunction(setter, expected, actual, CALL_FUNCTION,
|
| - NullCallWrapper());
|
| - } else {
|
| - // If we generate a global code snippet for deoptimization only, remember
|
| - // the place to continue after deoptimization.
|
| - masm->isolate()->heap()->SetSetterStubDeoptPCOffset(masm->pc_offset());
|
| - }
|
| -
|
| - // We have to return the passed value, not the return value of the setter.
|
| - __ Pop(x0);
|
| -
|
| - // Restore context register.
|
| - __ Ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
|
| - }
|
| - __ Ret();
|
| -}
|
| -
|
| -
|
| -#undef __
|
| -#define __ ACCESS_MASM(masm())
|
| -
|
| -
|
| -Handle<Code> NamedStoreHandlerCompiler::CompileStoreInterceptor(
|
| - Handle<Name> name) {
|
| - Label miss;
|
| -
|
| - ASM_LOCATION("NamedStoreHandlerCompiler::CompileStoreInterceptor");
|
| -
|
| - __ Push(receiver(), this->name(), value());
|
| -
|
| - // Do tail-call to the runtime system.
|
| - ExternalReference store_ic_property = ExternalReference(
|
| - IC_Utility(IC::kStorePropertyWithInterceptor), isolate());
|
| - __ TailCallExternalReference(store_ic_property, 3, 1);
|
| -
|
| - // Return the generated code.
|
| - return GetCode(kind(), Code::FAST, name);
|
| -}
|
| -
|
| -
|
| -Register NamedStoreHandlerCompiler::value() { return StoreIC::ValueRegister(); }
|
| -
|
| -
|
| -#undef __
|
| -#define __ ACCESS_MASM(masm)
|
| -
|
| -void NamedLoadHandlerCompiler::GenerateLoadViaGetter(
|
| - MacroAssembler* masm, Handle<HeapType> type, Register receiver,
|
| - Handle<JSFunction> getter) {
|
| - {
|
| - FrameScope scope(masm, StackFrame::INTERNAL);
|
| + __ Push(StoreIC::ReceiverRegister(), StoreIC::NameRegister(),
|
| + StoreIC::ValueRegister());
|
|
|
| - if (!getter.is_null()) {
|
| - // Call the JavaScript getter with the receiver on the stack.
|
| - if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) {
|
| - // Swap in the global receiver.
|
| - __ Ldr(receiver,
|
| - FieldMemOperand(receiver, JSGlobalObject::kGlobalProxyOffset));
|
| - }
|
| - __ Push(receiver);
|
| - ParameterCount actual(0);
|
| - ParameterCount expected(getter);
|
| - __ InvokeFunction(getter, expected, actual, CALL_FUNCTION,
|
| - NullCallWrapper());
|
| - } else {
|
| - // If we generate a global code snippet for deoptimization only, remember
|
| - // the place to continue after deoptimization.
|
| - masm->isolate()->heap()->SetGetterStubDeoptPCOffset(masm->pc_offset());
|
| - }
|
| + __ Mov(x10, Smi::FromInt(strict_mode));
|
| + __ Push(x10);
|
|
|
| - // Restore context register.
|
| - __ Ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
|
| - }
|
| - __ Ret();
|
| + // Do tail-call to runtime routine.
|
| + __ TailCallRuntime(Runtime::kSetProperty, 4, 1);
|
| }
|
|
|
|
|
| @@ -799,32 +32,6 @@ void NamedLoadHandlerCompiler::GenerateLoadViaGetter(
|
| #define __ ACCESS_MASM(masm())
|
|
|
|
|
| -Handle<Code> NamedLoadHandlerCompiler::CompileLoadGlobal(
|
| - Handle<PropertyCell> cell, Handle<Name> name, bool is_configurable) {
|
| - Label miss;
|
| - FrontendHeader(receiver(), name, &miss);
|
| -
|
| - // Get the value from the cell.
|
| - Register result = StoreIC::ValueRegister();
|
| - __ Mov(result, Operand(cell));
|
| - __ Ldr(result, FieldMemOperand(result, Cell::kValueOffset));
|
| -
|
| - // Check for deleted property if property can actually be deleted.
|
| - if (is_configurable) {
|
| - __ JumpIfRoot(result, Heap::kTheHoleValueRootIndex, &miss);
|
| - }
|
| -
|
| - Counters* counters = isolate()->counters();
|
| - __ IncrementCounter(counters->named_load_global_stub(), 1, x1, x3);
|
| - __ Ret();
|
| -
|
| - FrontendFooter(name, &miss);
|
| -
|
| - // Return the generated code.
|
| - return GetCode(kind(), Code::NORMAL, name);
|
| -}
|
| -
|
| -
|
| Handle<Code> PropertyICCompiler::CompilePolymorphic(TypeHandleList* types,
|
| CodeHandleList* handlers,
|
| Handle<Name> name,
|
| @@ -915,51 +122,6 @@ Handle<Code> PropertyICCompiler::CompileKeyedStorePolymorphic(
|
|
|
|
|
| #undef __
|
| -#define __ ACCESS_MASM(masm)
|
| -
|
| -void ElementHandlerCompiler::GenerateLoadDictionaryElement(
|
| - MacroAssembler* masm) {
|
| - // The return address is in lr.
|
| - Label slow, miss;
|
| -
|
| - Register result = x0;
|
| - Register key = LoadIC::NameRegister();
|
| - Register receiver = LoadIC::ReceiverRegister();
|
| - DCHECK(receiver.is(x1));
|
| - DCHECK(key.is(x2));
|
| -
|
| - __ JumpIfNotSmi(key, &miss);
|
| - __ Ldr(x4, FieldMemOperand(receiver, JSObject::kElementsOffset));
|
| - __ LoadFromNumberDictionary(&slow, x4, key, result, x7, x3, x5, x6);
|
| - __ Ret();
|
| -
|
| - __ Bind(&slow);
|
| - __ IncrementCounter(
|
| - masm->isolate()->counters()->keyed_load_external_array_slow(), 1, x4, x3);
|
| - TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Slow);
|
| -
|
| - // Miss case, call the runtime.
|
| - __ Bind(&miss);
|
| - TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss);
|
| -}
|
| -
|
| -
|
| -void PropertyICCompiler::GenerateRuntimeSetProperty(MacroAssembler* masm,
|
| - StrictMode strict_mode) {
|
| - ASM_LOCATION("PropertyICCompiler::GenerateRuntimeSetProperty");
|
| -
|
| - __ Push(StoreIC::ReceiverRegister(), StoreIC::NameRegister(),
|
| - StoreIC::ValueRegister());
|
| -
|
| - __ Mov(x10, Smi::FromInt(strict_mode));
|
| - __ Push(x10);
|
| -
|
| - // Do tail-call to runtime routine.
|
| - __ TailCallRuntime(Runtime::kSetProperty, 4, 1);
|
| -}
|
| -
|
| -
|
| -#undef __
|
| }
|
| } // namespace v8::internal
|
|
|
|
|