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comparison src/share/vm/oops/symbol.hpp @ 17709:f9e35a9dc8c7

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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 b2e698d2276c
children 4ca6dc0799b6
comparison
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17707:7d28f4e15b61 17709:f9e35a9dc8c7
1 /* 1 /*
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
152 static int max_length() { return max_symbol_length; } 152 static int max_length() { return max_symbol_length; }
153 153
154 int identity_hash() { return _identity_hash; } 154 int identity_hash() { return _identity_hash; }
155 155
156 // For symbol table alternate hashing 156 // For symbol table alternate hashing
157 unsigned int new_hash(jint seed); 157 unsigned int new_hash(juint seed);
158 158
159 // Reference counting. See comments above this class for when to use. 159 // Reference counting. See comments above this class for when to use.
160 int refcount() const { return _refcount; } 160 int refcount() const { return _refcount; }
161 void increment_refcount(); 161 void increment_refcount();
162 void decrement_refcount(); 162 void decrement_refcount();