Add enumeration to specify if smi check needed

src/v8globals.h

Index: src/v8globals.h
diff --git a/src/v8globals.h b/src/v8globals.h
index 1d50eb2f0d66162261176a3aed8d3995183613af..9f8cfaa042df05cc8fd0e61a794dd4cb27da2bd2 100644
--- a/src/v8globals.h
+++ b/src/v8globals.h
@@ -1,4 +1,4 @@
-// Copyright 2010 the V8 project authors. All rights reserved.
+// Copyright 2011 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:
@@ -482,6 +482,14 @@ enum StrictModeFlag {
   kInvalidStrictFlag
 };
 
+
+// Used to specify if a macro instruction must perform a smi check on tagged
+// values.
+enum SmiCheckType {
+  DONT_DO_SMI_CHECK = 0,
+  DO_SMI_CHECK
+};
+
 } }  // namespace v8::internal
 
 #endif  // V8_V8GLOBALS_H_