Port object tests to x64.

runtime/vm/object_arm_test.cc

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_ARM)
 
 #include "vm/assembler.h"
 #include "vm/assert.h"
 #include "vm/object.h"
@@ skipping 13 matching lines @@
 
 // Generate a dart code sequence that embeds a string object in it.
 // This is used to test Embedded String objects in the instructions.
 void GenerateEmbedStringInCode(Assembler* assembler, const char* str) {
   __ Unimplemented("GenerateEmbedStringInCode");
 }
 
 
 // Generate a dart code sequence that embeds a smi object in it.
 // This is used to test Embedded Smi objects in the instructions.
-void GenerateEmbedSmiInCode(Assembler* assembler, int value) {
+void GenerateEmbedSmiInCode(Assembler* assembler, intptr_t value) {
   __ Unimplemented("GenerateEmbedSmiInCode");
 }
 
-
-// Generate code for a simple static dart function that returns 42.
-// This is used to test invocation of dart functions from C++.
-void GenerateReturn42(Assembler* assembler) {
-  __ Unimplemented("GenerateReturn42");
-}
-
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM