Port object tests to x64.

runtime/vm/assembler_x64_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_X64)
 
 #include "vm/assembler.h"
 #include "vm/os.h"
 #include "vm/unit_test.h"
@@ skipping 994 matching lines @@
   __ ret();
 }
 
 
 ASSEMBLER_TEST_RUN(DoubleFPOperations, entry) {
   typedef double (*SingleFPOperationsCode)();
   double res = reinterpret_cast<SingleFPOperationsCode>(entry)();
   EXPECT_FLOAT_EQ(14.7, res, 0.001);
 }
 
+
+ASSEMBLER_TEST_GENERATE(TestObjectCompare, assembler) {
+  ObjectStore* object_store = Isolate::Current()->object_store();
+  const Object& obj = Object::ZoneHandle(object_store->smi_class());
+  Label fail;
+  __ LoadObject(RAX, obj);
+  __ CompareObject(RAX, obj);
+  __ j(NOT_EQUAL, &fail);
+  __ LoadObject(RCX, obj);
+  __ CompareObject(RCX, obj);
+  __ j(NOT_EQUAL, &fail);
+  __ movl(RAX, Immediate(1));  // OK
+  __ ret();
+  __ Bind(&fail);
+  __ movl(RAX, Immediate(0));  // Fail.
+  __ ret();
+}
+
+
+ASSEMBLER_TEST_RUN(TestObjectCompare, entry) {
+  typedef bool (*TestObjectCompare)();
+  bool res = reinterpret_cast<TestObjectCompare>(entry)();
+  EXPECT_EQ(true, res);
+}
+
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64