Implement many KeyedStoreStubs using Crankshaft

src/type-info.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 108 matching lines @@
   }
   return false;
 }
 
 
 bool TypeFeedbackOracle::StoreIsMonomorphicNormal(TypeFeedbackId ast_id) {
   Handle<Object> map_or_code = GetInfo(ast_id);
   if (map_or_code->IsMap()) return true;
   if (map_or_code->IsCode()) {
     Handle<Code> code = Handle<Code>::cast(map_or_code);
-    bool standard_store =
-        Code::GetKeyedAccessStoreMode(code->extra_ic_state()) ==
-        STANDARD_STORE;
+    bool standard_store = FLAG_compiled_keyed_stores ||
+        (Code::GetKeyedAccessStoreMode(code->extra_ic_state()) ==
+         STANDARD_STORE);
     bool preliminary_checks =
         code->is_keyed_store_stub() &&
         standard_store &&
         code->ic_state() == MONOMORPHIC &&
         Code::ExtractTypeFromFlags(code->flags()) == Code::NORMAL;
     if (!preliminary_checks) return false;
     Map* map = code->FindFirstMap();
     return map != NULL && !CanRetainOtherContext(map, *native_context_);
   }
   return false;
 }
 
 
 bool TypeFeedbackOracle::StoreIsPolymorphic(TypeFeedbackId ast_id) {
   Handle<Object> map_or_code = GetInfo(ast_id);
   if (map_or_code->IsCode()) {
     Handle<Code> code = Handle<Code>::cast(map_or_code);
-    bool standard_store =
-        Code::GetKeyedAccessStoreMode(code->extra_ic_state()) ==
-        STANDARD_STORE;
+    bool standard_store = FLAG_compiled_keyed_stores ||
+        (Code::GetKeyedAccessStoreMode(code->extra_ic_state()) ==
+         STANDARD_STORE);
     return code->is_keyed_store_stub() && standard_store  &&
         code->ic_state() == POLYMORPHIC;
   }
   return false;
 }
 
 
 bool TypeFeedbackOracle::CallIsMonomorphic(Call* expr) {
   Handle<Object> value = GetInfo(expr->CallFeedbackId());
   return value->IsMap() || value->IsSmi() || value->IsJSFunction();
@@ skipping 596 matching lines @@
   USE(maybe_result);
 #ifdef DEBUG
   Object* result = NULL;
   // Dictionary has been allocated with sufficient size for all elements.
   ASSERT(maybe_result->ToObject(&result));
   ASSERT(*dictionary_ == result);
 #endif
 }
 
 } }  // namespace v8::internal