1/*
2 * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
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
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * This file is available under and governed by the GNU General Public
26 * License version 2 only, as published by the Free Software Foundation.
27 * However, the following notice accompanied the original version of this
28 * file:
29 *
30 * (C) 2009 by Remo Dentato (rdentato@gmail.com)
31 *
32 *
33 * Redistribution and use in source and binary forms, with or without modification,
34 * are permitted provided that the following conditions are met:
35 *
36 * * Redistributions of source code must retain the above copyright notice,
37 * this list of conditions and the following disclaimer.
38 * * Redistributions in binary form must reproduce the above copyright notice,
39 * this list of conditions and the following disclaimer in the documentation
40 * and/or other materials provided with the distribution.
41 *
42 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
43 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
44 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
45 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
46 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
47 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
48 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
49 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
50 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
51 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
52 *
53 * http://opensource.org/licenses/bsd-license.php
54 */
55
56#ifndef SHARE_GC_Z_ZHASH_INLINE_HPP
57#define SHARE_GC_Z_ZHASH_INLINE_HPP
58
59#include "gc/z/zHash.hpp"
60
61inline uint32_t ZHash::uint32_to_uint32(uint32_t key) {
62 key = ~key + (key << 15);
63 key = key ^ (key >> 12);
64 key = key + (key << 2);
65 key = key ^ (key >> 4);
66 key = key * 2057;
67 key = key ^ (key >> 16);
68 return key;
69}
70
71inline uint32_t ZHash::address_to_uint32(uintptr_t key) {
72 return uint32_to_uint32((uint32_t)(key >> 3));
73}
74
75#endif // SHARE_GC_Z_ZHASH_INLINE_HPP
76