VectorICs: Lithium support for vector-based stores.

src/code-factory.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/bootstrapper.h"
 #include "src/code-factory.h"
 #include "src/ic/ic.h"
 
@@ skipping 52 matching lines @@
   return Callable(
       CallIC::initialize_stub_in_optimized_code(isolate, argc, call_type),
       CallFunctionWithFeedbackAndVectorDescriptor(isolate));
 }
 
 
 // static
 Callable CodeFactory::StoreIC(Isolate* isolate, LanguageMode language_mode) {
   return Callable(
       StoreIC::initialize_stub(isolate, language_mode, UNINITIALIZED),
-      StoreDescriptor(isolate));
+      FLAG_vector_stores ? VectorStoreICTrampolineDescriptor(isolate)
+                         : StoreDescriptor(isolate));
 }
 
 
+// static
+Callable CodeFactory::StoreICInOptimizedCode(
+    Isolate* isolate, LanguageMode language_mode,
+    InlineCacheState initialization_state) {
+  CallInterfaceDescriptor descriptor =
+      FLAG_vector_stores && initialization_state != MEGAMORPHIC
+          ? VectorStoreICDescriptor(isolate)
+          : StoreDescriptor(isolate);
+  return Callable(StoreIC::initialize_stub_in_optimized_code(
+                      isolate, language_mode, initialization_state),
+                  descriptor);
+}
+
+
 // static
 Callable CodeFactory::KeyedStoreIC(Isolate* isolate,
                                    LanguageMode language_mode) {
   return Callable(
       KeyedStoreIC::initialize_stub(isolate, language_mode, UNINITIALIZED),
-      StoreDescriptor(isolate));
+      FLAG_vector_stores ? VectorStoreICTrampolineDescriptor(isolate)
+                         : StoreDescriptor(isolate));
 }
 
 
 // static
 Callable CodeFactory::KeyedStoreICInOptimizedCode(
     Isolate* isolate, LanguageMode language_mode,
     InlineCacheState initialization_state) {
-  return Callable(KeyedStoreIC::initialize_stub(isolate, language_mode,
-                                                initialization_state),
-                  StoreDescriptor(isolate));
+  CallInterfaceDescriptor descriptor =
+      FLAG_vector_stores && initialization_state != MEGAMORPHIC
+          ? VectorStoreICDescriptor(isolate)
+          : StoreDescriptor(isolate);
+  return Callable(KeyedStoreIC::initialize_stub_in_optimized_code(
+                      isolate, language_mode, initialization_state),
+                  descriptor);
 }
 
 
 // static
 Callable CodeFactory::CompareIC(Isolate* isolate, Token::Value op,
                                 Strength strength) {
   Handle<Code> code = CompareIC::GetUninitialized(isolate, op, strength);
   return Callable(code, CompareDescriptor(isolate));
 }
 
@@ skipping 78 matching lines @@
 
 // static
 Callable CodeFactory::CallFunction(Isolate* isolate, int argc,
                                    CallFunctionFlags flags) {
   CallFunctionStub stub(isolate, argc, flags);
   return Callable(stub.GetCode(), stub.GetCallInterfaceDescriptor());
 }
 
 }  // namespace internal
 }  // namespace v8