Mercurial > hg > truffle
diff src/share/vm/utilities/hashtable.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 | 55fb97c4c58d |
| children | 524b54a7f1b5 152cf4afc11f |
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--- a/src/share/vm/utilities/hashtable.hpp Wed Mar 05 11:28:33 2014 -0800 +++ b/src/share/vm/utilities/hashtable.hpp Mon Feb 10 21:29:14 2014 -0800 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2003, 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 @@ -280,7 +280,7 @@ // Function to move these elements into the new table. void move_to(Hashtable<T, F>* new_table); static bool use_alternate_hashcode() { return _seed != 0; } - static jint seed() { return _seed; } + static juint seed() { return _seed; } static int literal_size(Symbol *symbol); static int literal_size(oop oop); @@ -296,7 +296,7 @@ void dump_table(outputStream* st, const char *table_name); private: - static jint _seed; + static juint _seed; };