Mercurial > hg > truffle
diff src/share/vm/oops/metadata.hpp @ 17709:f9e35a9dc8c7
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 |
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--- a/src/share/vm/oops/metadata.hpp Wed Mar 05 11:28:33 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; }