[stubs] Port LoadFieldStub to TF

src/ic/handler-compiler.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/ic/handler-compiler.h"
 
 #include "src/field-type.h"
 #include "src/ic/call-optimization.h"
 #include "src/ic/handler-configuration-inl.h"
 #include "src/ic/ic-inl.h"
@@ skipping 371 matching lines @@
   switch (it->state()) {
     case LookupIterator::ACCESS_CHECK:
     case LookupIterator::INTERCEPTOR:
     case LookupIterator::JSPROXY:
     case LookupIterator::NOT_FOUND:
     case LookupIterator::INTEGER_INDEXED_EXOTIC:
     case LookupIterator::TRANSITION:
       UNREACHABLE();
     case LookupIterator::DATA: {
       DCHECK_EQ(DATA, it->property_details().type());
-      __ Move(receiver(), reg);
-      LoadFieldStub stub(isolate(), it->GetFieldIndex());
+      __ Move(LoadFieldDescriptor::ReceiverRegister(), reg);
+      Handle<Object> smi_handler =
+          LoadIC::SimpleFieldLoad(isolate(), it->GetFieldIndex());
+      __ Move(LoadFieldDescriptor::SmiHandlerRegister(), smi_handler);
+      LoadFieldStub stub(isolate());
       GenerateTailCall(masm(), stub.GetCode());
       break;
     }
     case LookupIterator::ACCESSOR:
       if (it->GetAccessors()->IsAccessorInfo()) {
         Handle<AccessorInfo> info =
             Handle<AccessorInfo>::cast(it->GetAccessors());
         DCHECK_NOT_NULL(info->getter());
         GenerateLoadCallback(reg, info);
       } else {
@@ skipping 91 matching lines @@
 }
 
 void ElementHandlerCompiler::CompileElementHandlers(
     MapHandleList* receiver_maps, List<Handle<Object>>* handlers) {
   for (int i = 0; i < receiver_maps->length(); ++i) {
     handlers->Add(GetKeyedLoadHandler(receiver_maps->at(i), isolate()));
   }
 }
 }  // namespace internal
 }  // namespace v8