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@ -152,22 +152,6 @@ void StubCache::GenerateProbe(MacroAssembler* masm, |
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} |
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static void PushInterceptorArguments(MacroAssembler* masm, |
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Register receiver, |
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Register holder, |
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Register name, |
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JSObject* holder_obj) { |
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__ push(receiver); |
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__ push(holder); |
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__ push(name); |
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InterceptorInfo* interceptor = holder_obj->GetNamedInterceptor(); |
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ASSERT(!Heap::InNewSpace(interceptor)); |
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__ mov(receiver, Immediate(Handle<Object>(interceptor))); |
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__ push(receiver); |
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__ push(FieldOperand(receiver, InterceptorInfo::kDataOffset)); |
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} |
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void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm, |
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int index, |
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Register prototype) { |
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@ -226,30 +210,32 @@ static void GenerateStringCheck(MacroAssembler* masm, |
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void StubCompiler::GenerateLoadStringLength(MacroAssembler* masm, |
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Register receiver, |
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Register scratch, |
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Register scratch1, |
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Register scratch2, |
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Label* miss) { |
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Label load_length, check_wrapper; |
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Label check_wrapper; |
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// Check if the object is a string leaving the instance type in the
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// scratch register.
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GenerateStringCheck(masm, receiver, scratch, miss, &check_wrapper); |
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GenerateStringCheck(masm, receiver, scratch1, miss, &check_wrapper); |
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// Load length from the string and convert to a smi.
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__ bind(&load_length); |
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__ mov(eax, FieldOperand(receiver, String::kLengthOffset)); |
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__ SmiTag(eax); |
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__ ret(0); |
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// Check if the object is a JSValue wrapper.
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__ bind(&check_wrapper); |
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__ cmp(scratch, JS_VALUE_TYPE); |
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__ cmp(scratch1, JS_VALUE_TYPE); |
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__ j(not_equal, miss, not_taken); |
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// Check if the wrapped value is a string and load the length
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// directly if it is.
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__ mov(receiver, FieldOperand(receiver, JSValue::kValueOffset)); |
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GenerateStringCheck(masm, receiver, scratch, miss, miss); |
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__ jmp(&load_length); |
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__ mov(scratch2, FieldOperand(receiver, JSValue::kValueOffset)); |
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GenerateStringCheck(masm, scratch2, scratch1, miss, miss); |
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__ mov(eax, FieldOperand(scratch2, String::kLengthOffset)); |
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__ SmiTag(eax); |
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__ ret(0); |
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} |
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@ -285,20 +271,31 @@ void StubCompiler::GenerateFastPropertyLoad(MacroAssembler* masm, |
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} |
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static void CompileCallLoadPropertyWithInterceptor(MacroAssembler* masm, |
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static void PushInterceptorArguments(MacroAssembler* masm, |
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Register receiver, |
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Register holder, |
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Register name, |
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JSObject* holder_obj) { |
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PushInterceptorArguments(masm, receiver, holder, name, holder_obj); |
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__ push(receiver); |
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__ push(holder); |
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__ push(name); |
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InterceptorInfo* interceptor = holder_obj->GetNamedInterceptor(); |
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ASSERT(!Heap::InNewSpace(interceptor)); |
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__ mov(receiver, Immediate(Handle<Object>(interceptor))); |
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__ push(receiver); |
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__ push(FieldOperand(receiver, InterceptorInfo::kDataOffset)); |
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} |
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ExternalReference ref = |
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ExternalReference(IC_Utility(IC::kLoadPropertyWithInterceptorOnly)); |
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__ mov(eax, Immediate(5)); |
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__ mov(ebx, Immediate(ref)); |
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CEntryStub stub(1); |
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__ CallStub(&stub); |
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static void CompileCallLoadPropertyWithInterceptor(MacroAssembler* masm, |
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Register receiver, |
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Register holder, |
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Register name, |
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JSObject* holder_obj) { |
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PushInterceptorArguments(masm, receiver, holder, name, holder_obj); |
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__ CallExternalReference( |
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ExternalReference(IC_Utility(IC::kLoadPropertyWithInterceptorOnly)), |
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5); |
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} |
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@ -326,7 +323,7 @@ static void CompileLoadInterceptor(Compiler* compiler, |
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stub_compiler->CheckPrototypes(object, receiver, holder, |
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scratch1, scratch2, name, miss); |
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if (lookup->IsValid() && lookup->IsCacheable()) { |
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if (lookup->IsProperty() && lookup->IsCacheable()) { |
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compiler->CompileCacheable(masm, |
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stub_compiler, |
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receiver, |
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@ -362,7 +359,7 @@ class LoadInterceptorCompiler BASE_EMBEDDED { |
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LookupResult* lookup, |
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String* name, |
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Label* miss_label) { |
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AccessorInfo* callback = 0; |
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AccessorInfo* callback = NULL; |
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bool optimize = false; |
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// So far the most popular follow ups for interceptor loads are FIELD
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// and CALLBACKS, so inline only them, other cases may be added
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@ -479,88 +476,337 @@ class LoadInterceptorCompiler BASE_EMBEDDED { |
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}; |
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// Holds information about possible function call optimizations.
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class CallOptimization BASE_EMBEDDED { |
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public: |
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explicit CallOptimization(LookupResult* lookup) |
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: constant_function_(NULL), |
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is_simple_api_call_(false), |
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expected_receiver_type_(NULL), |
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api_call_info_(NULL) { |
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if (!lookup->IsProperty() || !lookup->IsCacheable()) return; |
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// We only optimize constant function calls.
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if (lookup->type() != CONSTANT_FUNCTION) return; |
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Initialize(lookup->GetConstantFunction()); |
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} |
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explicit CallOptimization(JSFunction* function) { |
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Initialize(function); |
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} |
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bool is_constant_call() const { |
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return constant_function_ != NULL; |
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} |
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JSFunction* constant_function() const { |
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ASSERT(constant_function_ != NULL); |
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return constant_function_; |
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} |
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bool is_simple_api_call() const { |
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return is_simple_api_call_; |
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} |
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FunctionTemplateInfo* expected_receiver_type() const { |
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ASSERT(is_simple_api_call_); |
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return expected_receiver_type_; |
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} |
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CallHandlerInfo* api_call_info() const { |
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ASSERT(is_simple_api_call_); |
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return api_call_info_; |
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} |
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// Returns the depth of the object having the expected type in the
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// prototype chain between the two arguments.
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int GetPrototypeDepthOfExpectedType(JSObject* object, |
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JSObject* holder) const { |
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ASSERT(is_simple_api_call_); |
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if (expected_receiver_type_ == NULL) return 0; |
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int depth = 0; |
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while (object != holder) { |
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if (object->IsInstanceOf(expected_receiver_type_)) return depth; |
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object = JSObject::cast(object->GetPrototype()); |
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++depth; |
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} |
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if (holder->IsInstanceOf(expected_receiver_type_)) return depth; |
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return kInvalidProtoDepth; |
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} |
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private: |
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void Initialize(JSFunction* function) { |
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if (!function->is_compiled()) return; |
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constant_function_ = function; |
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is_simple_api_call_ = false; |
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AnalyzePossibleApiFunction(function); |
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} |
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// Determines whether the given function can be called using the
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// fast api call builtin.
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void AnalyzePossibleApiFunction(JSFunction* function) { |
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SharedFunctionInfo* sfi = function->shared(); |
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if (sfi->function_data()->IsUndefined()) return; |
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FunctionTemplateInfo* info = |
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FunctionTemplateInfo::cast(sfi->function_data()); |
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// Require a C++ callback.
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if (info->call_code()->IsUndefined()) return; |
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api_call_info_ = CallHandlerInfo::cast(info->call_code()); |
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// Accept signatures that either have no restrictions at all or
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// only have restrictions on the receiver.
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if (!info->signature()->IsUndefined()) { |
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SignatureInfo* signature = SignatureInfo::cast(info->signature()); |
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if (!signature->args()->IsUndefined()) return; |
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if (!signature->receiver()->IsUndefined()) { |
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expected_receiver_type_ = |
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FunctionTemplateInfo::cast(signature->receiver()); |
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} |
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} |
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is_simple_api_call_ = true; |
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} |
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JSFunction* constant_function_; |
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bool is_simple_api_call_; |
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FunctionTemplateInfo* expected_receiver_type_; |
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CallHandlerInfo* api_call_info_; |
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}; |
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// Reserves space for the extra arguments to FastHandleApiCall in the
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// caller's frame.
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//
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// These arguments are set by CheckPrototypes and GenerateFastApiCall.
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static void ReserveSpaceForFastApiCall(MacroAssembler* masm, Register scratch) { |
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// ----------- S t a t e -------------
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// -- esp[0] : return address
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// -- esp[4] : last argument in the internal frame of the caller
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// -----------------------------------
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__ pop(scratch); |
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__ push(Immediate(Smi::FromInt(0))); |
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__ push(Immediate(Smi::FromInt(0))); |
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__ push(Immediate(Smi::FromInt(0))); |
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__ push(Immediate(Smi::FromInt(0))); |
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__ push(scratch); |
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} |
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// Undoes the effects of ReserveSpaceForFastApiCall.
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static void FreeSpaceForFastApiCall(MacroAssembler* masm, Register scratch) { |
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// ----------- S t a t e -------------
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// -- esp[0] : return address
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// -- esp[4] : last fast api call extra argument
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// -- ...
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// -- esp[16] : first fast api call extra argument
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// -- esp[20] : last argument in the internal frame
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// -----------------------------------
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__ pop(scratch); |
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__ add(Operand(esp), Immediate(kPointerSize * 4)); |
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__ push(scratch); |
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} |
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// Generates call to FastHandleApiCall builtin.
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static void GenerateFastApiCall(MacroAssembler* masm, |
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const CallOptimization& optimization, |
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int argc) { |
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// ----------- S t a t e -------------
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// -- esp[0] : return address
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// -- esp[4] : object passing the type check
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// (last fast api call extra argument,
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// set by CheckPrototypes)
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// -- esp[8] : api call data
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// -- esp[12] : api callback
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// -- esp[16] : api function
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// (first fast api call extra argument)
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// -- esp[20] : last argument
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// -- ...
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// -- esp[(argc + 5) * 4] : first argument
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// -- esp[(argc + 6) * 4] : receiver
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// -----------------------------------
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// Get the function and setup the context.
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JSFunction* function = optimization.constant_function(); |
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__ mov(edi, Immediate(Handle<JSFunction>(function))); |
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__ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); |
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// Pass the additional arguments FastHandleApiCall expects.
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__ mov(Operand(esp, 4 * kPointerSize), edi); |
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bool info_loaded = false; |
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Object* callback = optimization.api_call_info()->callback(); |
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if (Heap::InNewSpace(callback)) { |
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info_loaded = true; |
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__ mov(ecx, Handle<CallHandlerInfo>(optimization.api_call_info())); |
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__ mov(ebx, FieldOperand(ecx, CallHandlerInfo::kCallbackOffset)); |
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__ mov(Operand(esp, 3 * kPointerSize), ebx); |
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} else { |
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__ mov(Operand(esp, 3 * kPointerSize), Immediate(Handle<Object>(callback))); |
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} |
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Object* call_data = optimization.api_call_info()->data(); |
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if (Heap::InNewSpace(call_data)) { |
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if (!info_loaded) { |
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__ mov(ecx, Handle<CallHandlerInfo>(optimization.api_call_info())); |
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} |
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__ mov(ebx, FieldOperand(ecx, CallHandlerInfo::kDataOffset)); |
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__ mov(Operand(esp, 2 * kPointerSize), ebx); |
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} else { |
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__ mov(Operand(esp, 2 * kPointerSize), |
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Immediate(Handle<Object>(call_data))); |
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} |
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// Set the number of arguments.
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__ mov(eax, Immediate(argc + 4)); |
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// Jump to the fast api call builtin (tail call).
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Handle<Code> code = Handle<Code>( |
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Builtins::builtin(Builtins::FastHandleApiCall)); |
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ParameterCount expected(0); |
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__ InvokeCode(code, expected, expected, |
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RelocInfo::CODE_TARGET, JUMP_FUNCTION); |
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} |
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class CallInterceptorCompiler BASE_EMBEDDED { |
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public: |
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CallInterceptorCompiler(const ParameterCount& arguments, Register name) |
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: arguments_(arguments), argc_(arguments.immediate()), name_(name) {} |
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CallInterceptorCompiler(StubCompiler* stub_compiler, |
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const ParameterCount& arguments, |
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Register name) |
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: stub_compiler_(stub_compiler), |
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arguments_(arguments), |
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name_(name) {} |
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void Compile(MacroAssembler* masm, |
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JSObject* object, |
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JSObject* holder, |
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String* name, |
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LookupResult* lookup, |
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Register receiver, |
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Register scratch1, |
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Register scratch2, |
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Label* miss) { |
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ASSERT(holder->HasNamedInterceptor()); |
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ASSERT(!holder->GetNamedInterceptor()->getter()->IsUndefined()); |
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// Check that the receiver isn't a smi.
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__ test(receiver, Immediate(kSmiTagMask)); |
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__ j(zero, miss, not_taken); |
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CallOptimization optimization(lookup); |
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if (optimization.is_constant_call() && |
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!Top::CanHaveSpecialFunctions(holder)) { |
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CompileCacheable(masm, |
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object, |
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receiver, |
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scratch1, |
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scratch2, |
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holder, |
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lookup, |
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name, |
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optimization, |
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miss); |
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} else { |
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CompileRegular(masm, |
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object, |
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receiver, |
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scratch1, |
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scratch2, |
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name, |
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holder, |
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miss); |
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} |
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} |
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private: |
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void CompileCacheable(MacroAssembler* masm, |
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StubCompiler* stub_compiler, |
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JSObject* object, |
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Register receiver, |
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Register holder, |
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Register scratch1, |
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Register scratch2, |
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JSObject* holder_obj, |
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LookupResult* lookup, |
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String* name, |
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const CallOptimization& optimization, |
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Label* miss_label) { |
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JSFunction* function = 0; |
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bool optimize = false; |
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|
// So far the most popular case for failed interceptor is
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|
// CONSTANT_FUNCTION sitting below.
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if (lookup->type() == CONSTANT_FUNCTION) { |
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function = lookup->GetConstantFunction(); |
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// JSArray holder is a special case for call constant function
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// (see the corresponding code).
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if (function->is_compiled() && !holder_obj->IsJSArray()) { |
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optimize = true; |
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ASSERT(optimization.is_constant_call()); |
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ASSERT(!lookup->holder()->IsGlobalObject()); |
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int depth1 = kInvalidProtoDepth; |
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int depth2 = kInvalidProtoDepth; |
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bool can_do_fast_api_call = false; |
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if (optimization.is_simple_api_call() && |
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!lookup->holder()->IsGlobalObject()) { |
|
|
|
depth1 = optimization.GetPrototypeDepthOfExpectedType(object, holder_obj); |
|
|
|
if (depth1 == kInvalidProtoDepth) { |
|
|
|
depth2 = optimization.GetPrototypeDepthOfExpectedType(holder_obj, |
|
|
|
lookup->holder()); |
|
|
|
} |
|
|
|
can_do_fast_api_call = (depth1 != kInvalidProtoDepth) || |
|
|
|
(depth2 != kInvalidProtoDepth); |
|
|
|
} |
|
|
|
|
|
|
|
if (!optimize) { |
|
|
|
CompileRegular(masm, receiver, holder, scratch2, holder_obj, miss_label); |
|
|
|
return; |
|
|
|
__ IncrementCounter(&Counters::call_const_interceptor, 1); |
|
|
|
|
|
|
|
if (can_do_fast_api_call) { |
|
|
|
__ IncrementCounter(&Counters::call_const_interceptor_fast_api, 1); |
|
|
|
ReserveSpaceForFastApiCall(masm, scratch1); |
|
|
|
} |
|
|
|
|
|
|
|
__ EnterInternalFrame(); |
|
|
|
__ push(holder); // Save the holder.
|
|
|
|
__ push(name_); // Save the name.
|
|
|
|
Label miss_cleanup; |
|
|
|
Label* miss = can_do_fast_api_call ? &miss_cleanup : miss_label; |
|
|
|
Register holder = |
|
|
|
stub_compiler_->CheckPrototypes(object, receiver, holder_obj, |
|
|
|
scratch1, scratch2, name, |
|
|
|
depth1, miss); |
|
|
|
|
|
|
|
CompileCallLoadPropertyWithInterceptor(masm, |
|
|
|
receiver, |
|
|
|
holder, |
|
|
|
name_, |
|
|
|
holder_obj); |
|
|
|
Label regular_invoke; |
|
|
|
LoadWithInterceptor(masm, receiver, holder, holder_obj, ®ular_invoke); |
|
|
|
|
|
|
|
__ pop(name_); // Restore the name.
|
|
|
|
__ pop(receiver); // Restore the holder.
|
|
|
|
__ LeaveInternalFrame(); |
|
|
|
// Generate code for the failed interceptor case.
|
|
|
|
|
|
|
|
__ cmp(eax, Factory::no_interceptor_result_sentinel()); |
|
|
|
Label invoke; |
|
|
|
__ j(not_equal, &invoke); |
|
|
|
// Check the lookup is still valid.
|
|
|
|
stub_compiler_->CheckPrototypes(holder_obj, receiver, |
|
|
|
lookup->holder(), |
|
|
|
scratch1, scratch2, name, |
|
|
|
depth2, miss); |
|
|
|
|
|
|
|
stub_compiler->CheckPrototypes(holder_obj, receiver, |
|
|
|
lookup->holder(), scratch1, |
|
|
|
scratch2, |
|
|
|
name, |
|
|
|
miss_label); |
|
|
|
if (lookup->holder()->IsGlobalObject()) { |
|
|
|
__ mov(edx, Operand(esp, (argc_ + 1) * kPointerSize)); |
|
|
|
__ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); |
|
|
|
__ mov(Operand(esp, (argc_ + 1) * kPointerSize), edx); |
|
|
|
if (can_do_fast_api_call) { |
|
|
|
GenerateFastApiCall(masm, optimization, arguments_.immediate()); |
|
|
|
} else { |
|
|
|
__ InvokeFunction(optimization.constant_function(), arguments_, |
|
|
|
JUMP_FUNCTION); |
|
|
|
} |
|
|
|
|
|
|
|
ASSERT(function->is_compiled()); |
|
|
|
// Get the function and setup the context.
|
|
|
|
__ mov(edi, Immediate(Handle<JSFunction>(function))); |
|
|
|
__ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); |
|
|
|
|
|
|
|
// Jump to the cached code (tail call).
|
|
|
|
Handle<Code> code(function->code()); |
|
|
|
ParameterCount expected(function->shared()->formal_parameter_count()); |
|
|
|
__ InvokeCode(code, expected, arguments_, |
|
|
|
RelocInfo::CODE_TARGET, JUMP_FUNCTION); |
|
|
|
if (can_do_fast_api_call) { |
|
|
|
__ bind(&miss_cleanup); |
|
|
|
FreeSpaceForFastApiCall(masm, scratch1); |
|
|
|
__ jmp(miss_label); |
|
|
|
} |
|
|
|
|
|
|
|
__ bind(&invoke); |
|
|
|
__ bind(®ular_invoke); |
|
|
|
if (can_do_fast_api_call) { |
|
|
|
FreeSpaceForFastApiCall(masm, scratch1); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
void CompileRegular(MacroAssembler* masm, |
|
|
|
JSObject* object, |
|
|
|
Register receiver, |
|
|
|
Register holder, |
|
|
|
Register scratch, |
|
|
|
Register scratch1, |
|
|
|
Register scratch2, |
|
|
|
String* name, |
|
|
|
JSObject* holder_obj, |
|
|
|
Label* miss_label) { |
|
|
|
Register holder = |
|
|
|
stub_compiler_->CheckPrototypes(object, receiver, holder_obj, |
|
|
|
scratch1, scratch2, name, |
|
|
|
miss_label); |
|
|
|
|
|
|
|
__ EnterInternalFrame(); |
|
|
|
// Save the name_ register across the call.
|
|
|
|
__ push(name_); |
|
|
|
@ -571,22 +817,41 @@ class CallInterceptorCompiler BASE_EMBEDDED { |
|
|
|
name_, |
|
|
|
holder_obj); |
|
|
|
|
|
|
|
ExternalReference ref = ExternalReference( |
|
|
|
IC_Utility(IC::kLoadPropertyWithInterceptorForCall)); |
|
|
|
__ mov(eax, Immediate(5)); |
|
|
|
__ mov(ebx, Immediate(ref)); |
|
|
|
|
|
|
|
CEntryStub stub(1); |
|
|
|
__ CallStub(&stub); |
|
|
|
__ CallExternalReference( |
|
|
|
ExternalReference( |
|
|
|
IC_Utility(IC::kLoadPropertyWithInterceptorForCall)), |
|
|
|
5); |
|
|
|
|
|
|
|
// Restore the name_ register.
|
|
|
|
__ pop(name_); |
|
|
|
__ LeaveInternalFrame(); |
|
|
|
} |
|
|
|
|
|
|
|
private: |
|
|
|
void LoadWithInterceptor(MacroAssembler* masm, |
|
|
|
Register receiver, |
|
|
|
Register holder, |
|
|
|
JSObject* holder_obj, |
|
|
|
Label* interceptor_succeeded) { |
|
|
|
__ EnterInternalFrame(); |
|
|
|
__ push(holder); // Save the holder.
|
|
|
|
__ push(name_); // Save the name.
|
|
|
|
|
|
|
|
CompileCallLoadPropertyWithInterceptor(masm, |
|
|
|
receiver, |
|
|
|
holder, |
|
|
|
name_, |
|
|
|
holder_obj); |
|
|
|
|
|
|
|
__ pop(name_); // Restore the name.
|
|
|
|
__ pop(receiver); // Restore the holder.
|
|
|
|
__ LeaveInternalFrame(); |
|
|
|
|
|
|
|
__ cmp(eax, Factory::no_interceptor_result_sentinel()); |
|
|
|
__ j(not_equal, interceptor_succeeded); |
|
|
|
} |
|
|
|
|
|
|
|
StubCompiler* stub_compiler_; |
|
|
|
const ParameterCount& arguments_; |
|
|
|
int argc_; |
|
|
|
Register name_; |
|
|
|
}; |
|
|
|
|
|
|
|
@ -605,8 +870,9 @@ void StubCompiler::GenerateLoadMiss(MacroAssembler* masm, Code::Kind kind) { |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
// Both name_reg and receiver_reg are preserved on jumps to miss_label,
|
|
|
|
// but may be destroyed if store is successful.
|
|
|
|
void StubCompiler::GenerateStoreField(MacroAssembler* masm, |
|
|
|
Builtins::Name storage_extend, |
|
|
|
JSObject* object, |
|
|
|
int index, |
|
|
|
Map* transition, |
|
|
|
@ -636,9 +902,13 @@ void StubCompiler::GenerateStoreField(MacroAssembler* masm, |
|
|
|
if ((transition != NULL) && (object->map()->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(ecx, Immediate(Handle<Map>(transition))); |
|
|
|
Handle<Code> ic(Builtins::builtin(storage_extend)); |
|
|
|
__ jmp(ic, RelocInfo::CODE_TARGET); |
|
|
|
__ pop(scratch); // Return address.
|
|
|
|
__ push(receiver_reg); |
|
|
|
__ push(Immediate(Handle<Map>(transition))); |
|
|
|
__ push(eax); |
|
|
|
__ push(scratch); |
|
|
|
__ TailCallRuntime( |
|
|
|
ExternalReference(IC_Utility(IC::kSharedStoreIC_ExtendStorage)), 3, 1); |
|
|
|
return; |
|
|
|
} |
|
|
|
|
|
|
|
@ -691,10 +961,12 @@ Register StubCompiler::CheckPrototypes(JSObject* object, |
|
|
|
Register holder_reg, |
|
|
|
Register scratch, |
|
|
|
String* name, |
|
|
|
int push_at_depth, |
|
|
|
Label* miss) { |
|
|
|
// Check that the maps haven't changed.
|
|
|
|
Register result = |
|
|
|
masm()->CheckMaps(object, object_reg, holder, holder_reg, scratch, miss); |
|
|
|
masm()->CheckMaps(object, object_reg, holder, holder_reg, scratch, |
|
|
|
push_at_depth, miss); |
|
|
|
|
|
|
|
// If we've skipped any global objects, it's not enough to verify
|
|
|
|
// that their maps haven't changed.
|
|
|
|
@ -716,7 +988,7 @@ Register StubCompiler::CheckPrototypes(JSObject* object, |
|
|
|
object = JSObject::cast(object->GetPrototype()); |
|
|
|
} |
|
|
|
|
|
|
|
// Return the register containin the holder.
|
|
|
|
// Return the register containing the holder.
|
|
|
|
return result; |
|
|
|
} |
|
|
|
|
|
|
|
@ -887,7 +1159,7 @@ Object* StubCompiler::CompileLazyCompile(Code::Flags flags) { |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
Object* CallStubCompiler::CompileCallField(Object* object, |
|
|
|
Object* CallStubCompiler::CompileCallField(JSObject* object, |
|
|
|
JSObject* holder, |
|
|
|
int index, |
|
|
|
String* name) { |
|
|
|
@ -909,9 +1181,7 @@ Object* CallStubCompiler::CompileCallField(Object* object, |
|
|
|
__ j(zero, &miss, not_taken); |
|
|
|
|
|
|
|
// Do the right check and compute the holder register.
|
|
|
|
Register reg = |
|
|
|
CheckPrototypes(JSObject::cast(object), edx, holder, |
|
|
|
ebx, eax, name, &miss); |
|
|
|
Register reg = CheckPrototypes(object, edx, holder, ebx, eax, name, &miss); |
|
|
|
|
|
|
|
GenerateFastPropertyLoad(masm(), edi, reg, holder, index); |
|
|
|
|
|
|
|
@ -969,15 +1239,31 @@ Object* CallStubCompiler::CompileCallConstant(Object* object, |
|
|
|
// unless we're doing a receiver map check.
|
|
|
|
ASSERT(!object->IsGlobalObject() || check == RECEIVER_MAP_CHECK); |
|
|
|
|
|
|
|
CallOptimization optimization(function); |
|
|
|
int depth = kInvalidProtoDepth; |
|
|
|
|
|
|
|
switch (check) { |
|
|
|
case RECEIVER_MAP_CHECK: |
|
|
|
__ IncrementCounter(&Counters::call_const, 1); |
|
|
|
|
|
|
|
if (optimization.is_simple_api_call() && !object->IsGlobalObject()) { |
|
|
|
depth = optimization.GetPrototypeDepthOfExpectedType( |
|
|
|
JSObject::cast(object), holder); |
|
|
|
} |
|
|
|
|
|
|
|
if (depth != kInvalidProtoDepth) { |
|
|
|
__ IncrementCounter(&Counters::call_const_fast_api, 1); |
|
|
|
ReserveSpaceForFastApiCall(masm(), eax); |
|
|
|
} |
|
|
|
|
|
|
|
// Check that the maps haven't changed.
|
|
|
|
CheckPrototypes(JSObject::cast(object), edx, holder, |
|
|
|
ebx, eax, name, &miss); |
|
|
|
ebx, eax, name, depth, &miss); |
|
|
|
|
|
|
|
// Patch the receiver on the stack with the global proxy if
|
|
|
|
// necessary.
|
|
|
|
if (object->IsGlobalObject()) { |
|
|
|
ASSERT(depth == kInvalidProtoDepth); |
|
|
|
__ mov(edx, FieldOperand(edx, GlobalObject::kGlobalReceiverOffset)); |
|
|
|
__ mov(Operand(esp, (argc + 1) * kPointerSize), edx); |
|
|
|
} |
|
|
|
@ -1062,19 +1348,17 @@ Object* CallStubCompiler::CompileCallConstant(Object* object, |
|
|
|
UNREACHABLE(); |
|
|
|
} |
|
|
|
|
|
|
|
// Get the function and setup the context.
|
|
|
|
__ mov(edi, Immediate(Handle<JSFunction>(function))); |
|
|
|
__ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); |
|
|
|
|
|
|
|
// Jump to the cached code (tail call).
|
|
|
|
ASSERT(function->is_compiled()); |
|
|
|
Handle<Code> code(function->code()); |
|
|
|
ParameterCount expected(function->shared()->formal_parameter_count()); |
|
|
|
__ InvokeCode(code, expected, arguments(), |
|
|
|
RelocInfo::CODE_TARGET, JUMP_FUNCTION); |
|
|
|
if (depth != kInvalidProtoDepth) { |
|
|
|
GenerateFastApiCall(masm(), optimization, argc); |
|
|
|
} else { |
|
|
|
__ InvokeFunction(function, arguments(), JUMP_FUNCTION); |
|
|
|
} |
|
|
|
|
|
|
|
// Handle call cache miss.
|
|
|
|
__ bind(&miss); |
|
|
|
if (depth != kInvalidProtoDepth) { |
|
|
|
FreeSpaceForFastApiCall(masm(), eax); |
|
|
|
} |
|
|
|
Handle<Code> ic = ComputeCallMiss(arguments().immediate()); |
|
|
|
__ jmp(ic, RelocInfo::CODE_TARGET); |
|
|
|
|
|
|
|
@ -1087,7 +1371,7 @@ Object* CallStubCompiler::CompileCallConstant(Object* object, |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
Object* CallStubCompiler::CompileCallInterceptor(Object* object, |
|
|
|
Object* CallStubCompiler::CompileCallInterceptor(JSObject* object, |
|
|
|
JSObject* holder, |
|
|
|
String* name) { |
|
|
|
// ----------- S t a t e -------------
|
|
|
|
@ -1108,11 +1392,9 @@ Object* CallStubCompiler::CompileCallInterceptor(Object* object, |
|
|
|
// Get the receiver from the stack.
|
|
|
|
__ mov(edx, Operand(esp, (argc + 1) * kPointerSize)); |
|
|
|
|
|
|
|
CallInterceptorCompiler compiler(arguments(), ecx); |
|
|
|
CompileLoadInterceptor(&compiler, |
|
|
|
this, |
|
|
|
masm(), |
|
|
|
JSObject::cast(object), |
|
|
|
CallInterceptorCompiler compiler(this, arguments(), ecx); |
|
|
|
compiler.Compile(masm(), |
|
|
|
object, |
|
|
|
holder, |
|
|
|
name, |
|
|
|
&lookup, |
|
|
|
@ -1249,7 +1531,6 @@ Object* StoreStubCompiler::CompileStoreField(JSObject* object, |
|
|
|
|
|
|
|
// Generate store field code. Trashes the name register.
|
|
|
|
GenerateStoreField(masm(), |
|
|
|
Builtins::StoreIC_ExtendStorage, |
|
|
|
object, |
|
|
|
index, |
|
|
|
transition, |
|
|
|
@ -1423,15 +1704,14 @@ Object* KeyedStoreStubCompiler::CompileStoreField(JSObject* object, |
|
|
|
__ j(not_equal, &miss, not_taken); |
|
|
|
|
|
|
|
// Get the object from the stack.
|
|
|
|
__ mov(ebx, Operand(esp, 2 * kPointerSize)); |
|
|
|
__ mov(edx, Operand(esp, 2 * kPointerSize)); |
|
|
|
|
|
|
|
// Generate store field code. Trashes the name register.
|
|
|
|
GenerateStoreField(masm(), |
|
|
|
Builtins::KeyedStoreIC_ExtendStorage, |
|
|
|
object, |
|
|
|
index, |
|
|
|
transition, |
|
|
|
ebx, ecx, edx, |
|
|
|
edx, ecx, ebx, |
|
|
|
&miss); |
|
|
|
|
|
|
|
// Handle store cache miss.
|
|
|
|
@ -1451,13 +1731,12 @@ Object* LoadStubCompiler::CompileLoadField(JSObject* object, |
|
|
|
int index, |
|
|
|
String* name) { |
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- eax : receiver
|
|
|
|
// -- ecx : name
|
|
|
|
// -- esp[0] : return address
|
|
|
|
// -- esp[4] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss; |
|
|
|
|
|
|
|
__ mov(eax, Operand(esp, kPointerSize)); |
|
|
|
GenerateLoadField(object, holder, eax, ebx, edx, index, name, &miss); |
|
|
|
__ bind(&miss); |
|
|
|
GenerateLoadMiss(masm(), Code::LOAD_IC); |
|
|
|
@ -1472,13 +1751,12 @@ Object* LoadStubCompiler::CompileLoadCallback(String* name, |
|
|
|
JSObject* holder, |
|
|
|
AccessorInfo* callback) { |
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- eax : receiver
|
|
|
|
// -- ecx : name
|
|
|
|
// -- esp[0] : return address
|
|
|
|
// -- esp[4] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss; |
|
|
|
|
|
|
|
__ mov(eax, Operand(esp, kPointerSize)); |
|
|
|
Failure* failure = Failure::InternalError(); |
|
|
|
bool success = GenerateLoadCallback(object, holder, eax, ecx, ebx, edx, |
|
|
|
callback, name, &miss, &failure); |
|
|
|
@ -1497,13 +1775,12 @@ Object* LoadStubCompiler::CompileLoadConstant(JSObject* object, |
|
|
|
Object* value, |
|
|
|
String* name) { |
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- eax : receiver
|
|
|
|
// -- ecx : name
|
|
|
|
// -- esp[0] : return address
|
|
|
|
// -- esp[4] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss; |
|
|
|
|
|
|
|
__ mov(eax, Operand(esp, kPointerSize)); |
|
|
|
GenerateLoadConstant(object, holder, eax, ebx, edx, value, name, &miss); |
|
|
|
__ bind(&miss); |
|
|
|
GenerateLoadMiss(masm(), Code::LOAD_IC); |
|
|
|
@ -1517,16 +1794,15 @@ Object* LoadStubCompiler::CompileLoadInterceptor(JSObject* receiver, |
|
|
|
JSObject* holder, |
|
|
|
String* name) { |
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- eax : receiver
|
|
|
|
// -- ecx : name
|
|
|
|
// -- esp[0] : return address
|
|
|
|
// -- esp[4] : receiver
|
|
|
|
// -----------------------------------
|
|
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Label miss; |
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LookupResult lookup; |
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LookupPostInterceptor(holder, name, &lookup); |
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__ mov(eax, Operand(esp, kPointerSize)); |
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// TODO(368): Compile in the whole chain: all the interceptors in
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// prototypes and ultimate answer.
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GenerateLoadInterceptor(receiver, |
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@ -1553,15 +1829,12 @@ Object* LoadStubCompiler::CompileLoadGlobal(JSObject* object, |
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String* name, |
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bool is_dont_delete) { |
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// ----------- S t a t e -------------
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// -- eax : receiver
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// -- ecx : name
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// -- esp[0] : return address
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// -- esp[4] : receiver
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// -----------------------------------
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Label miss; |
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// Get the receiver from the stack.
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__ mov(eax, Operand(esp, kPointerSize)); |
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// If the object is the holder then we know that it's a global
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// object which can only happen for contextual loads. In this case,
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// the receiver cannot be a smi.
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@ -1574,19 +1847,20 @@ Object* LoadStubCompiler::CompileLoadGlobal(JSObject* object, |
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CheckPrototypes(object, eax, holder, ebx, edx, name, &miss); |
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// Get the value from the cell.
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__ mov(eax, Immediate(Handle<JSGlobalPropertyCell>(cell))); |
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__ mov(eax, FieldOperand(eax, JSGlobalPropertyCell::kValueOffset)); |
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__ mov(ebx, Immediate(Handle<JSGlobalPropertyCell>(cell))); |
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__ mov(ebx, FieldOperand(ebx, JSGlobalPropertyCell::kValueOffset)); |
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// Check for deleted property if property can actually be deleted.
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if (!is_dont_delete) { |
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__ cmp(eax, Factory::the_hole_value()); |
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__ cmp(ebx, Factory::the_hole_value()); |
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__ j(equal, &miss, not_taken); |
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} else if (FLAG_debug_code) { |
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__ cmp(eax, Factory::the_hole_value()); |
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__ cmp(ebx, Factory::the_hole_value()); |
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__ Check(not_equal, "DontDelete cells can't contain the hole"); |
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} |
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__ IncrementCounter(&Counters::named_load_global_inline, 1); |
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__ mov(eax, ebx); |
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__ ret(0); |
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__ bind(&miss); |
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@ -1603,21 +1877,19 @@ Object* KeyedLoadStubCompiler::CompileLoadField(String* name, |
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JSObject* holder, |
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int index) { |
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// ----------- S t a t e -------------
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// -- eax : key
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// -- edx : receiver
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// -- esp[0] : return address
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// -- esp[4] : name
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// -- esp[8] : receiver
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// -----------------------------------
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Label miss; |
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__ mov(eax, Operand(esp, kPointerSize)); |
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__ mov(ecx, Operand(esp, 2 * kPointerSize)); |
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__ IncrementCounter(&Counters::keyed_load_field, 1); |
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// Check that the name has not changed.
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__ cmp(Operand(eax), Immediate(Handle<String>(name))); |
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__ j(not_equal, &miss, not_taken); |
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GenerateLoadField(receiver, holder, ecx, ebx, edx, index, name, &miss); |
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GenerateLoadField(receiver, holder, edx, ebx, ecx, index, name, &miss); |
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__ bind(&miss); |
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__ DecrementCounter(&Counters::keyed_load_field, 1); |
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@ -1633,14 +1905,12 @@ Object* KeyedLoadStubCompiler::CompileLoadCallback(String* name, |
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JSObject* holder, |
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AccessorInfo* callback) { |
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// ----------- S t a t e -------------
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// -- eax : key
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// -- edx : receiver
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// -- esp[0] : return address
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// -- esp[4] : name
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// -- esp[8] : receiver
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// -----------------------------------
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Label miss; |
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__ mov(eax, Operand(esp, kPointerSize)); |
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__ mov(ecx, Operand(esp, 2 * kPointerSize)); |
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__ IncrementCounter(&Counters::keyed_load_callback, 1); |
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// Check that the name has not changed.
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@ -1648,7 +1918,7 @@ Object* KeyedLoadStubCompiler::CompileLoadCallback(String* name, |
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__ j(not_equal, &miss, not_taken); |
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Failure* failure = Failure::InternalError(); |
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bool success = GenerateLoadCallback(receiver, holder, ecx, eax, ebx, edx, |
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bool success = GenerateLoadCallback(receiver, holder, edx, eax, ebx, ecx, |
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callback, name, &miss, &failure); |
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if (!success) return failure; |
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@ -1666,21 +1936,19 @@ Object* KeyedLoadStubCompiler::CompileLoadConstant(String* name, |
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JSObject* holder, |
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Object* value) { |
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// ----------- S t a t e -------------
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// -- eax : key
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// -- edx : receiver
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// -- esp[0] : return address
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// -- esp[4] : name
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// -- esp[8] : receiver
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|
// -----------------------------------
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|
Label miss; |
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|
__ mov(eax, Operand(esp, kPointerSize)); |
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__ mov(ecx, Operand(esp, 2 * kPointerSize)); |
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__ IncrementCounter(&Counters::keyed_load_constant_function, 1); |
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// Check that the name has not changed.
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__ cmp(Operand(eax), Immediate(Handle<String>(name))); |
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__ j(not_equal, &miss, not_taken); |
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GenerateLoadConstant(receiver, holder, ecx, ebx, edx, |
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GenerateLoadConstant(receiver, holder, edx, ebx, ecx, |
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value, name, &miss); |
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|
__ bind(&miss); |
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|
__ DecrementCounter(&Counters::keyed_load_constant_function, 1); |
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|
@ -1695,14 +1963,12 @@ Object* KeyedLoadStubCompiler::CompileLoadInterceptor(JSObject* receiver, |
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|
JSObject* holder, |
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|
String* name) { |
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|
|
// ----------- S t a t e -------------
|
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|
// -- eax : key
|
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|
// -- edx : receiver
|
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|
// -- esp[0] : return address
|
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|
|
// -- esp[4] : name
|
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|
|
// -- esp[8] : receiver
|
|
|
|
// -----------------------------------
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|
Label miss; |
|
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|
|
__ mov(eax, Operand(esp, kPointerSize)); |
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|
__ mov(ecx, Operand(esp, 2 * kPointerSize)); |
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|
|
__ IncrementCounter(&Counters::keyed_load_interceptor, 1); |
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|
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|
|
// Check that the name has not changed.
|
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|
|
@ -1714,9 +1980,9 @@ Object* KeyedLoadStubCompiler::CompileLoadInterceptor(JSObject* receiver, |
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|
|
GenerateLoadInterceptor(receiver, |
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|
|
holder, |
|
|
|
&lookup, |
|
|
|
ecx, |
|
|
|
eax, |
|
|
|
edx, |
|
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|
eax, |
|
|
|
ecx, |
|
|
|
ebx, |
|
|
|
name, |
|
|
|
&miss); |
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|
|
@ -1733,21 +1999,19 @@ Object* KeyedLoadStubCompiler::CompileLoadInterceptor(JSObject* receiver, |
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|
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|
|
Object* KeyedLoadStubCompiler::CompileLoadArrayLength(String* name) { |
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- eax : key
|
|
|
|
// -- edx : receiver
|
|
|
|
// -- esp[0] : return address
|
|
|
|
// -- esp[4] : name
|
|
|
|
// -- esp[8] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss; |
|
|
|
|
|
|
|
__ mov(eax, Operand(esp, kPointerSize)); |
|
|
|
__ mov(ecx, Operand(esp, 2 * kPointerSize)); |
|
|
|
__ IncrementCounter(&Counters::keyed_load_array_length, 1); |
|
|
|
|
|
|
|
// Check that the name has not changed.
|
|
|
|
__ cmp(Operand(eax), Immediate(Handle<String>(name))); |
|
|
|
__ j(not_equal, &miss, not_taken); |
|
|
|
|
|
|
|
GenerateLoadArrayLength(masm(), ecx, edx, &miss); |
|
|
|
GenerateLoadArrayLength(masm(), edx, ecx, &miss); |
|
|
|
__ bind(&miss); |
|
|
|
__ DecrementCounter(&Counters::keyed_load_array_length, 1); |
|
|
|
GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
|
|
|
@ -1759,21 +2023,19 @@ Object* KeyedLoadStubCompiler::CompileLoadArrayLength(String* name) { |
|
|
|
|
|
|
|
Object* KeyedLoadStubCompiler::CompileLoadStringLength(String* name) { |
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- eax : key
|
|
|
|
// -- edx : receiver
|
|
|
|
// -- esp[0] : return address
|
|
|
|
// -- esp[4] : name
|
|
|
|
// -- esp[8] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss; |
|
|
|
|
|
|
|
__ mov(eax, Operand(esp, kPointerSize)); |
|
|
|
__ mov(ecx, Operand(esp, 2 * kPointerSize)); |
|
|
|
__ IncrementCounter(&Counters::keyed_load_string_length, 1); |
|
|
|
|
|
|
|
// Check that the name has not changed.
|
|
|
|
__ cmp(Operand(eax), Immediate(Handle<String>(name))); |
|
|
|
__ j(not_equal, &miss, not_taken); |
|
|
|
|
|
|
|
GenerateLoadStringLength(masm(), ecx, edx, &miss); |
|
|
|
GenerateLoadStringLength(masm(), edx, ecx, ebx, &miss); |
|
|
|
__ bind(&miss); |
|
|
|
__ DecrementCounter(&Counters::keyed_load_string_length, 1); |
|
|
|
GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
|
|
|
@ -1785,21 +2047,19 @@ Object* KeyedLoadStubCompiler::CompileLoadStringLength(String* name) { |
|
|
|
|
|
|
|
Object* KeyedLoadStubCompiler::CompileLoadFunctionPrototype(String* name) { |
|
|
|
// ----------- S t a t e -------------
|
|
|
|
// -- eax : key
|
|
|
|
// -- edx : receiver
|
|
|
|
// -- esp[0] : return address
|
|
|
|
// -- esp[4] : name
|
|
|
|
// -- esp[8] : receiver
|
|
|
|
// -----------------------------------
|
|
|
|
Label miss; |
|
|
|
|
|
|
|
__ mov(eax, Operand(esp, kPointerSize)); |
|
|
|
__ mov(ecx, Operand(esp, 2 * kPointerSize)); |
|
|
|
__ IncrementCounter(&Counters::keyed_load_function_prototype, 1); |
|
|
|
|
|
|
|
// Check that the name has not changed.
|
|
|
|
__ cmp(Operand(eax), Immediate(Handle<String>(name))); |
|
|
|
__ j(not_equal, &miss, not_taken); |
|
|
|
|
|
|
|
GenerateLoadFunctionPrototype(masm(), ecx, edx, ebx, &miss); |
|
|
|
GenerateLoadFunctionPrototype(masm(), edx, ecx, ebx, &miss); |
|
|
|
__ bind(&miss); |
|
|
|
__ DecrementCounter(&Counters::keyed_load_function_prototype, 1); |
|
|
|
GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC); |
|
|
|
|
Ryan Dahl
15 years ago