X64: Enable inline caching for calls, with some stubs stubbed out.

src/x64/stub-cache-x64.cc

 // Copyright 2009 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 26 matching lines @@
 namespace internal {
 
 #define __ ACCESS_MASM((&masm_))
 
 
 Object* CallStubCompiler::CompileCallConstant(Object* a,
                                               JSObject* b,
                                               JSFunction* c,
                                               String* d,
                                               StubCompiler::CheckType e) {
-  UNIMPLEMENTED();
-  return NULL;
+  // TODO(X64): Implement a real stub.
+  return Failure::InternalError();
 }
 
 Object* CallStubCompiler::CompileCallField(Object* a,
                                            JSObject* b,
                                            int c,
                                            String* d) {
-  UNIMPLEMENTED();
-  return NULL;
+  // TODO(X64): Implement a real stub.
+  return Failure::InternalError();
 }
 
 
 Object* CallStubCompiler::CompileCallInterceptor(Object* a,
                                                  JSObject* b,
                                                  String* c) {
-  UNIMPLEMENTED();
-  return NULL;
+  // TODO(X64): Implement a real stub.
+  return Failure::InternalError();
 }
 
 
 
 Object* CallStubCompiler::CompileCallGlobal(JSObject* object,
                                             GlobalObject* holder,
                                             JSGlobalPropertyCell* cell,
                                             JSFunction* function,
                                             String* name) {
-  UNIMPLEMENTED();
-  return NULL;
+  // TODO(X64): Implement a real stub.
+  return Failure::InternalError();
 }
 
 
 Object* LoadStubCompiler::CompileLoadCallback(JSObject* a,
                                               JSObject* b,
                                               AccessorInfo* c,
                                               String* d) {
   UNIMPLEMENTED();
   return NULL;
 }
@@ skipping 86 matching lines @@
   __ lea(rcx, FieldOperand(rax, Code::kHeaderSize));
   __ jmp(rcx);
 
   return GetCodeWithFlags(flags, "LazyCompileStub");
 }
 
 #undef __
 
 
 } }  // namespace v8::internal