Vector ICs: platform support for vector-based stores.

src/type-info.cc

 // Copyright 2012 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/type-info.h"
 
 #include "src/ast.h"
 #include "src/code-stubs.h"
 #include "src/compiler.h"
 #include "src/ic/ic.h"
@@ skipping 118 matching lines @@
   Handle<Code> code = Handle<Code>::cast(maybe_code);
   return code->ic_state() == UNINITIALIZED;
 }
 
 
 bool TypeFeedbackOracle::StoreIsUninitialized(FeedbackVectorICSlot slot) {
   if (!slot.IsInvalid()) {
     Code::Kind kind = feedback_vector_->GetKind(slot);
     if (kind == Code::STORE_IC) {
       StoreICNexus nexus(feedback_vector_, slot);
-      return nexus.StateFromFeedback();
+      return nexus.StateFromFeedback() == UNINITIALIZED;
     } else if (kind == Code::KEYED_STORE_IC) {
       KeyedStoreICNexus nexus(feedback_vector_, slot);
-      return nexus.StateFromFeedback();
+      return nexus.StateFromFeedback() == UNINITIALIZED;
     }
   }
   return true;
 }
 
 
 bool TypeFeedbackOracle::CallIsUninitialized(FeedbackVectorICSlot slot) {
   Handle<Object> value = GetInfo(slot);
   return value->IsUndefined() ||
          value.is_identical_to(
@@ skipping 419 matching lines @@
   // Dictionary has been allocated with sufficient size for all elements.
   DisallowHeapAllocation no_need_to_resize_dictionary;
   HandleScope scope(isolate());
   USE(UnseededNumberDictionary::AtNumberPut(
       dictionary_, IdToKey(ast_id), handle(target, isolate())));
 }
 
 
 }  // namespace internal
 }  // namespace v8