A64: Synchronize with r18256.

src/stub-cache.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 134 matching lines @@
     if (!ic.is_null()) return ic;
   }
 
   if (kind == Code::LOAD_IC) {
     LoadStubCompiler ic_compiler(isolate(), flag);
     ic = ic_compiler.CompileMonomorphicIC(type, handler, name);
   } else if (kind == Code::KEYED_LOAD_IC) {
     KeyedLoadStubCompiler ic_compiler(isolate(), flag);
     ic = ic_compiler.CompileMonomorphicIC(type, handler, name);
   } else if (kind == Code::STORE_IC) {
-    StrictModeFlag strict_mode = StoreIC::GetStrictMode(extra_ic_state);
-    StoreStubCompiler ic_compiler(isolate(), strict_mode);
+    StoreStubCompiler ic_compiler(isolate(), extra_ic_state);
     ic = ic_compiler.CompileMonomorphicIC(type, handler, name);
   } else {
     ASSERT(kind == Code::KEYED_STORE_IC);
-    StrictModeFlag strict_mode = StoreIC::GetStrictMode(extra_ic_state);
-    KeyedStoreStubCompiler ic_compiler(isolate(), strict_mode, STANDARD_STORE);
+    ASSERT(STANDARD_STORE ==
+           KeyedStoreIC::GetKeyedAccessStoreMode(extra_ic_state));
+    KeyedStoreStubCompiler ic_compiler(isolate(), extra_ic_state);
     ic = ic_compiler.CompileMonomorphicIC(type, handler, name);
   }
 
   if (can_be_cached) Map::UpdateCodeCache(stub_holder, name, ic);
   return ic;
 }
 
 
 Handle<Code> StubCache::ComputeLoadNonexistent(Handle<Name> name,
                                                Handle<Type> type) {
@@ skipping 57 matching lines @@
   ASSERT(store_mode == STANDARD_STORE ||
          store_mode == STORE_AND_GROW_NO_TRANSITION ||
          store_mode == STORE_NO_TRANSITION_IGNORE_OUT_OF_BOUNDS ||
          store_mode == STORE_NO_TRANSITION_HANDLE_COW);
 
   Handle<String> name =
       isolate()->factory()->KeyedStoreElementMonomorphic_string();
   Handle<Object> probe(receiver_map->FindInCodeCache(*name, flags), isolate_);
   if (probe->IsCode()) return Handle<Code>::cast(probe);
 
-  KeyedStoreStubCompiler compiler(isolate(), strict_mode, store_mode);
+  KeyedStoreStubCompiler compiler(isolate(), extra_state);
   Handle<Code> code = compiler.CompileStoreElement(receiver_map);
 
   Map::UpdateCodeCache(receiver_map, name, code);
   ASSERT(KeyedStoreIC::GetKeyedAccessStoreMode(code->extra_ic_state())
          == store_mode);
   return code;
 }
 
 
 #define CALL_LOGGER_TAG(kind, type) \
@@ skipping 390 matching lines @@
          store_mode == STORE_NO_TRANSITION_HANDLE_COW);
   Handle<PolymorphicCodeCache> cache =
       isolate_->factory()->polymorphic_code_cache();
   ExtraICState extra_state = KeyedStoreIC::ComputeExtraICState(
       strict_mode, store_mode);
   Code::Flags flags =
       Code::ComputeFlags(Code::KEYED_STORE_IC, POLYMORPHIC, extra_state);
   Handle<Object> probe = cache->Lookup(receiver_maps, flags);
   if (probe->IsCode()) return Handle<Code>::cast(probe);
 
-  KeyedStoreStubCompiler compiler(isolate_, strict_mode, store_mode);
+  KeyedStoreStubCompiler compiler(isolate_, extra_state);
   Handle<Code> code = compiler.CompileStoreElementPolymorphic(receiver_maps);
   PolymorphicCodeCache::Update(cache, receiver_maps, flags, code);
   return code;
 }
 
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
 Handle<Code> StubCache::ComputeCallDebugBreak(int argc,
                                               Code::Kind kind) {
   // Extra IC state is irrelevant for debug break ICs. They jump to
@@ skipping 460 matching lines @@
   holder->LocalLookupRealNamedProperty(*name, lookup);
   if (lookup->IsFound()) return;
   if (holder->GetPrototype()->IsNull()) return;
   holder->GetPrototype()->Lookup(*name, lookup);
 }
 
 
 #define __ ACCESS_MASM(masm())
 
 
+CallKind CallStubCompiler::call_kind() {
+  return CallICBase::Contextual::decode(extra_state())
+      ? CALL_AS_FUNCTION
+      : CALL_AS_METHOD;
+}
+
+
 void CallStubCompiler::HandlerFrontendFooter(Label* miss) {
   __ bind(miss);
   GenerateMissBranch();
 }
 
 
+void CallStubCompiler::GenerateJumpFunctionIgnoreReceiver(
+    Handle<JSFunction> function) {
+  ParameterCount expected(function);
+  __ InvokeFunction(function, expected, arguments(),
+                    JUMP_FUNCTION, NullCallWrapper(), call_kind());
+}
+
+
+void CallStubCompiler::GenerateJumpFunction(Handle<Object> object,
+                                            Handle<JSFunction> function) {
+  PatchGlobalProxy(object);
+  GenerateJumpFunctionIgnoreReceiver(function);
+}
+
+
+void CallStubCompiler::GenerateJumpFunction(Handle<Object> object,
+                                            Register actual_closure,
+                                            Handle<JSFunction> function) {
+  PatchGlobalProxy(object);
+  ParameterCount expected(function);
+  __ InvokeFunction(actual_closure, expected, arguments(),
+                    JUMP_FUNCTION, NullCallWrapper(), call_kind());
+}
+
+
+Handle<Code> CallStubCompiler::CompileCallConstant(
+    Handle<Object> object,
+    Handle<JSObject> holder,
+    Handle<Name> name,
+    CheckType check,
+    Handle<JSFunction> function) {
+  if (HasCustomCallGenerator(function)) {
+    Handle<Code> code = CompileCustomCall(object, holder,
+                                          Handle<Cell>::null(),
+                                          function, Handle<String>::cast(name),
+                                          Code::FAST);
+    // A null handle means bail out to the regular compiler code below.
+    if (!code.is_null()) return code;
+  }
+
+  Label miss;
+  HandlerFrontendHeader(object, holder, name, check, &miss);
+  GenerateJumpFunction(object, function);
+  HandlerFrontendFooter(&miss);
+
+  // Return the generated code.
+  return GetCode(function);
+}
+
+
 Register LoadStubCompiler::HandlerFrontendHeader(
     Handle<Type> type,
     Register object_reg,
     Handle<JSObject> holder,
     Handle<Name> name,
     Label* miss) {
   PrototypeCheckType check_type = CHECK_ALL_MAPS;
   int function_index = -1;
   if (type->Is(Type::String())) {
     function_index = Context::STRING_FUNCTION_INDEX;
@@ skipping 366 matching lines @@
 Handle<Code> KeyedStoreStubCompiler::CompileStoreElement(
     Handle<Map> receiver_map) {
   ElementsKind elements_kind = receiver_map->elements_kind();
   bool is_jsarray = receiver_map->instance_type() == JS_ARRAY_TYPE;
   Handle<Code> stub;
   if (receiver_map->has_fast_elements() ||
       receiver_map->has_external_array_elements()) {
     stub = KeyedStoreFastElementStub(
         is_jsarray,
         elements_kind,
-        store_mode_).GetCode(isolate());
+        store_mode()).GetCode(isolate());
   } else {
     stub = KeyedStoreElementStub(is_jsarray,
                                  elements_kind,
-                                 store_mode_).GetCode(isolate());
+                                 store_mode()).GetCode(isolate());
   }
 
   __ DispatchMap(receiver(), scratch1(), receiver_map, stub, DO_SMI_CHECK);
 
   TailCallBuiltin(masm(), Builtins::kKeyedStoreIC_Miss);
 
   // Return the generated code.
   return GetICCode(kind(), Code::NORMAL, factory()->empty_string());
 }
 
@@ skipping 105 matching lines @@
     // Tracking to do a better job of ensuring the data types are what they need
     // to be. Not all the elements are in place yet, pessimistic elements
     // transitions are still important for performance.
     bool is_js_array = receiver_map->instance_type() == JS_ARRAY_TYPE;
     ElementsKind elements_kind = receiver_map->elements_kind();
     if (!transitioned_map.is_null()) {
       cached_stub = ElementsTransitionAndStoreStub(
           elements_kind,
           transitioned_map->elements_kind(),
           is_js_array,
-          store_mode_).GetCode(isolate());
+          store_mode()).GetCode(isolate());
     } else {
       if (receiver_map->has_fast_elements() ||
           receiver_map->has_external_array_elements()) {
         cached_stub = KeyedStoreFastElementStub(
             is_js_array,
             elements_kind,
-            store_mode_).GetCode(isolate());
+            store_mode()).GetCode(isolate());
       } else {
         cached_stub = KeyedStoreElementStub(
             is_js_array,
             elements_kind,
-            store_mode_).GetCode(isolate());
+            store_mode()).GetCode(isolate());
       }
     }
     ASSERT(!cached_stub.is_null());
     handlers.Add(cached_stub);
     transitioned_maps.Add(transitioned_map);
   }
   Handle<Code> code =
       CompileStorePolymorphic(receiver_maps, &handlers, &transitioned_maps);
   isolate()->counters()->keyed_store_polymorphic_stubs()->Increment();
   PROFILE(isolate(),
           CodeCreateEvent(Logger::KEYED_STORE_POLYMORPHIC_IC_TAG, *code, 0));
   return code;
 }
 
 
 void KeyedStoreStubCompiler::GenerateStoreDictionaryElement(
     MacroAssembler* masm) {
   KeyedStoreIC::GenerateSlow(masm);
 }
 
 
 CallStubCompiler::CallStubCompiler(Isolate* isolate,
                                    int argc,
                                    Code::Kind kind,
                                    ExtraICState extra_state,
                                    InlineCacheHolderFlag cache_holder)
-    : StubCompiler(isolate),
+    : StubCompiler(isolate, extra_state),
       arguments_(argc),
       kind_(kind),
-      extra_state_(extra_state),
       cache_holder_(cache_holder) {
 }
 
 
 bool CallStubCompiler::HasCustomCallGenerator(Handle<JSFunction> function) {
   if (function->shared()->HasBuiltinFunctionId()) {
     BuiltinFunctionId id = function->shared()->builtin_function_id();
 #define CALL_GENERATOR_CASE(name) if (id == k##name) return true;
     CUSTOM_CALL_IC_GENERATORS(CALL_GENERATOR_CASE)
 #undef CALL_GENERATOR_CASE
@@ skipping 47 matching lines @@
                             cell,
                             function,
                             fname);
 }
 
 
 Handle<Code> CallStubCompiler::GetCode(Code::StubType type,
                                        Handle<Name> name) {
   int argc = arguments_.immediate();
   Code::Flags flags = Code::ComputeMonomorphicFlags(
-      kind_, extra_state_, cache_holder_, type, argc);
+      kind_, extra_state(), cache_holder_, type, argc);
   return GetCodeWithFlags(flags, name);
 }
 
 
 Handle<Code> CallStubCompiler::GetCode(Handle<JSFunction> function) {
   Handle<String> function_name;
   if (function->shared()->name()->IsString()) {
     function_name = Handle<String>(String::cast(function->shared()->name()));
   }
   return GetCode(Code::FAST, function_name);
@@ skipping 67 matching lines @@
           Handle<FunctionTemplateInfo>(
               FunctionTemplateInfo::cast(signature->receiver()));
     }
   }
 
   is_simple_api_call_ = true;
 }
 
 
 } }  // namespace v8::internal