diff src/share/vm/oops/metadata.hpp @ 14340:cd6b3f1a94ff

8033792: AltHashing used jint for imprecise bit shifting Summary: AltHashing used jint the way of juint in bit shifting which could lead loss of precision. Fix by change _seed defined as juint. Reviewed-by: coleenp, ccheung Contributed-by: yumin.qi@oracle.com
author minqi
date Mon, 10 Feb 2014 21:29:14 -0800
parents da91efe96a93
children 7380034e5b31 4ca6dc0799b6
line wrap: on
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--- a/src/share/vm/oops/metadata.hpp	Mon Feb 10 14:07:11 2014 -0800
+++ b/src/share/vm/oops/metadata.hpp	Mon Feb 10 21:29:14 2014 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -40,7 +40,7 @@
   int identity_hash()                { return (int)(uintptr_t)this; }
 
   // Rehashing support for tables containing pointers to this
-  unsigned int new_hash(jint seed)   { ShouldNotReachHere();  return 0; }
+  unsigned int new_hash(juint seed)   { ShouldNotReachHere();  return 0; }
 
   virtual bool is_klass()              const volatile { return false; }
   virtual bool is_method()             const volatile { return false; }