X87: [stubs] Port FastNewObjectStub to TF.

src/x87/interface-descriptors-x87.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.
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/interface-descriptors.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 50 matching lines @@
 const Register GrowArrayElementsDescriptor::ObjectRegister() { return eax; }
 const Register GrowArrayElementsDescriptor::KeyRegister() { return ebx; }
 
 
 void FastNewClosureDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {ebx};
   data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
 }
 
-void FastNewObjectDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {edi, edx};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
 void FastNewRestParameterDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {edi};
   data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
 }
 
 void FastNewSloppyArgumentsDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {edi};
   data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
@@ skipping 325 matching lines @@
       ebx,  // the JSGeneratorObject to resume
       edx   // the resume mode (tagged)
   };
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87