[Isolates] Merge crankshaft (r5922 from bleeding_edge).

src/stub-cache.cc

 // Copyright 2006-2009 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 13 matching lines @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "v8.h"
 
 #include "api.h"
 #include "arguments.h"
 #include "ic-inl.h"
 #include "stub-cache.h"
+#include "vm-state-inl.h"
 
 namespace v8 {
 namespace internal {
 
 // -----------------------------------------------------------------------
 // StubCache implementation.
 
 
 StubCache::StubCache(Isolate* isolate) : isolate_(isolate) {
   ASSERT(isolate == Isolate::Current());
@@ skipping 378 matching lines @@
     Object* result;
     { MaybeObject* maybe_result =
           receiver->UpdateMapCodeCache(name, Code::cast(code));
       if (!maybe_result->ToObject(&result)) return maybe_result;
     }
   }
   return code;
 }
 
 
+MaybeObject* StubCache::ComputeKeyedLoadSpecialized(JSObject* receiver) {
+  Code::Flags flags =
+      Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, NORMAL);
+  String* name = isolate_->heap()->KeyedLoadSpecialized_symbol();
+  Object* code = receiver->map()->FindInCodeCache(name, flags);
+  if (code->IsUndefined()) {
+    KeyedLoadStubCompiler compiler;
+    { MaybeObject* maybe_code = compiler.CompileLoadSpecialized(receiver);
+      if (!maybe_code->ToObject(&code)) return maybe_code;
+    }
+    PROFILE(CodeCreateEvent(Logger::KEYED_LOAD_IC_TAG, Code::cast(code), 0));
+    Object* result;
+    { MaybeObject* maybe_result =
+          receiver->UpdateMapCodeCache(name, Code::cast(code));
+      if (!maybe_result->ToObject(&result)) return maybe_result;
+    }
+  }
+  return code;
+}
+
+
 MaybeObject* StubCache::ComputeStoreField(String* name,
                                           JSObject* receiver,
                                           int field_index,
                                           Map* transition) {
   PropertyType type = (transition == NULL) ? FIELD : MAP_TRANSITION;
   Code::Flags flags = Code::ComputeMonomorphicFlags(Code::STORE_IC, type);
   Object* code = receiver->map()->FindInCodeCache(name, flags);
   if (code->IsUndefined()) {
     StoreStubCompiler compiler;
     { MaybeObject* maybe_code =
           compiler.CompileStoreField(receiver, field_index, transition, name);
       if (!maybe_code->ToObject(&code)) return maybe_code;
     }
     PROFILE(CodeCreateEvent(Logger::STORE_IC_TAG, Code::cast(code), name));
     Object* result;
     { MaybeObject* maybe_result =
           receiver->UpdateMapCodeCache(name, Code::cast(code));
       if (!maybe_result->ToObject(&result)) return maybe_result;
     }
   }
   return code;
 }
 
 
+MaybeObject* StubCache::ComputeKeyedStoreSpecialized(JSObject* receiver) {
+  Code::Flags flags =
+      Code::ComputeMonomorphicFlags(Code::KEYED_STORE_IC, NORMAL);
+  String* name = isolate_->heap()->KeyedStoreSpecialized_symbol();
+  Object* code = receiver->map()->FindInCodeCache(name, flags);
+  if (code->IsUndefined()) {
+    KeyedStoreStubCompiler compiler;
+    { MaybeObject* maybe_code = compiler.CompileStoreSpecialized(receiver);
+      if (!maybe_code->ToObject(&code)) return maybe_code;
+    }
+    PROFILE(CodeCreateEvent(Logger::KEYED_STORE_IC_TAG, Code::cast(code), 0));
+    Object* result;
+    { MaybeObject* maybe_result =
+          receiver->UpdateMapCodeCache(name, Code::cast(code));
+      if (!maybe_result->ToObject(&result)) return maybe_result;
+    }
+  }
+  return code;
+}
+
+
 MaybeObject* StubCache::ComputeStoreNormal() {
   return isolate_->builtins()->builtin(Builtins::StoreIC_Normal);
 }
 
 
 MaybeObject* StubCache::ComputeStoreGlobal(String* name,
                                            GlobalObject* receiver,
                                            JSGlobalPropertyCell* cell) {
   Code::Flags flags = Code::ComputeMonomorphicFlags(Code::STORE_IC, NORMAL);
   Object* code = receiver->map()->FindInCodeCache(name, flags);
@@ skipping 92 matching lines @@
                                             String* name,
                                             Object* object,
                                             JSObject* holder,
                                             JSFunction* function) {
   // Compute the check type and the map.
   InlineCacheHolderFlag cache_holder =
       IC::GetCodeCacheForObject(object, holder);
   JSObject* map_holder = IC::GetCodeCacheHolder(object, cache_holder);
 
   // Compute check type based on receiver/holder.
-  StubCompiler::CheckType check = StubCompiler::RECEIVER_MAP_CHECK;
+  CheckType check = RECEIVER_MAP_CHECK;
   if (object->IsString()) {
-    check = StubCompiler::STRING_CHECK;
+    check = STRING_CHECK;
   } else if (object->IsNumber()) {
-    check = StubCompiler::NUMBER_CHECK;
+    check = NUMBER_CHECK;
   } else if (object->IsBoolean()) {
-    check = StubCompiler::BOOLEAN_CHECK;
+    check = BOOLEAN_CHECK;
   }
 
   Code::Flags flags =
       Code::ComputeMonomorphicFlags(kind,
                                     CONSTANT_FUNCTION,
                                     cache_holder,
                                     in_loop,
                                     argc);
   Object* code = map_holder->map()->FindInCodeCache(name, flags);
   if (code->IsUndefined()) {
     // If the function hasn't been compiled yet, we cannot do it now
     // because it may cause GC. To avoid this issue, we return an
     // internal error which will make sure we do not update any
     // caches.
     if (!function->is_compiled()) return Failure::InternalError();
     // Compile the stub - only create stubs for fully compiled functions.
     CallStubCompiler compiler(argc, in_loop, kind, cache_holder);
     { MaybeObject* maybe_code =
           compiler.CompileCallConstant(object, holder, function, name, check);
       if (!maybe_code->ToObject(&code)) return maybe_code;
     }
+    Code::cast(code)->set_check_type(check);
     ASSERT_EQ(flags, Code::cast(code)->flags());
     PROFILE(CodeCreateEvent(CALL_LOGGER_TAG(kind, CALL_IC_TAG),
                             Code::cast(code), name));
     Object* result;
     { MaybeObject* maybe_result =
           map_holder->UpdateMapCodeCache(name, Code::cast(code));
       if (!maybe_result->ToObject(&result)) return maybe_result;
     }
   }
   return code;
@@ skipping 351 matching lines @@
         Builtins::Illegal);
   }
   for (int j = 0; j < kSecondaryTableSize; j++) {
     secondary_[j].key = isolate_->heap()->empty_string();
     secondary_[j].value = isolate_->builtins()->builtin(
         Builtins::Illegal);
   }
 }
 
 
+void StubCache::CollectMatchingMaps(ZoneMapList* types,
+                                    String* name,
+                                    Code::Flags flags) {
+  for (int i = 0; i < kPrimaryTableSize; i++) {
+    if (primary_[i].key == name) {
+      Map* map = primary_[i].value->FindFirstMap();
+      // Map can be NULL, if the stub is constant function call
+      // with a primitive receiver.
+      if (map == NULL) continue;
+
+      int offset = PrimaryOffset(name, flags, map);
+      if (entry(primary_, offset) == &primary_[i]) {
+        types->Add(Handle<Map>(map));
+      }
+    }
+  }
+
+  for (int i = 0; i < kSecondaryTableSize; i++) {
+    if (secondary_[i].key == name) {
+      Map* map = secondary_[i].value->FindFirstMap();
+      // Map can be NULL, if the stub is constant function call
+      // with a primitive receiver.
+      if (map == NULL) continue;
+
+      // Lookup in primary table and skip duplicates.
+      int primary_offset = PrimaryOffset(name, flags, map);
+      Entry* primary_entry = entry(primary_, primary_offset);
+      if (primary_entry->key == name) {
+        Map* primary_map = primary_entry->value->FindFirstMap();
+        if (map == primary_map) continue;
+      }
+
+      // Lookup in secondary table and add matches.
+      int offset = SecondaryOffset(name, flags, primary_offset);
+      if (entry(secondary_, offset) == &secondary_[i]) {
+        types->Add(Handle<Map>(map));
+      }
+    }
+  }
+}
+
+
 // ------------------------------------------------------------------------
 // StubCompiler implementation.
 
 
 MaybeObject* LoadCallbackProperty(RUNTIME_CALLING_CONVENTION) {
   RUNTIME_GET_ISOLATE;
   ASSERT(args[0]->IsJSObject());
   ASSERT(args[1]->IsJSObject());
   AccessorInfo* callback = AccessorInfo::cast(args[3]);
   Address getter_address = v8::ToCData<Address>(callback->getter());
   v8::AccessorGetter fun = FUNCTION_CAST<v8::AccessorGetter>(getter_address);
   ASSERT(fun != NULL);
   v8::AccessorInfo info(&args[0]);
   HandleScope scope(isolate);
   v8::Handle<v8::Value> result;
   {
     // Leaving JavaScript.
     VMState state(isolate, EXTERNAL);
-#ifdef ENABLE_LOGGING_AND_PROFILING
-    state.set_external_callback(getter_address);
-#endif
+    ExternalCallbackScope call_scope(isolate, getter_address);
     result = fun(v8::Utils::ToLocal(args.at<String>(4)), info);
   }
   RETURN_IF_SCHEDULED_EXCEPTION(isolate);
   if (result.IsEmpty()) return HEAP->undefined_value();
   return *v8::Utils::OpenHandle(*result);
 }
 
 
 MaybeObject* StoreCallbackProperty(RUNTIME_CALLING_CONVENTION) {
   RUNTIME_GET_ISOLATE;
   JSObject* recv = JSObject::cast(args[0]);
   AccessorInfo* callback = AccessorInfo::cast(args[1]);
   Address setter_address = v8::ToCData<Address>(callback->setter());
   v8::AccessorSetter fun = FUNCTION_CAST<v8::AccessorSetter>(setter_address);
   ASSERT(fun != NULL);
   Handle<String> name = args.at<String>(2);
   Handle<Object> value = args.at<Object>(3);
   HandleScope scope(isolate);
   LOG(ApiNamedPropertyAccess("store", recv, *name));
   CustomArguments custom_args(isolate, callback->data(), recv, recv);
   v8::AccessorInfo info(custom_args.end());
   {
     // Leaving JavaScript.
     VMState state(isolate, EXTERNAL);
-#ifdef ENABLE_LOGGING_AND_PROFILING
-    state.set_external_callback(setter_address);
-#endif
+    ExternalCallbackScope call_scope(isolate, setter_address);
     fun(v8::Utils::ToLocal(name), v8::Utils::ToLocal(value), info);
   }
   RETURN_IF_SCHEDULED_EXCEPTION(isolate);
   return *value;
 }
 
 
 static const int kAccessorInfoOffsetInInterceptorArgs = 2;
 
 
@@ skipping 530 matching lines @@
       expected_receiver_type_ =
           FunctionTemplateInfo::cast(signature->receiver());
     }
   }
 
   is_simple_api_call_ = true;
 }
 
 
 } }  // namespace v8::internal