Mercurial > hg > graal-jvmci-8
annotate src/share/vm/jvmci/jvmciHashtable.cpp @ 21562:47bebae7454f
Merge.
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 28 May 2015 21:58:33 +0200 |
parents | src/share/vm/graal/graalHashtable.cpp@cecb4e39521c |
children | 59c3f921e454 |
rev | line source |
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21519
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1 /* |
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2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
21562 | 24 #include "jvmci/jvmciHashtable.hpp" |
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25 |
21562 | 26 template<class K, class V> bool JVMCIHashtable<K,V>::add(V value, bool replace) { |
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27 K key = get_key(value); |
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28 unsigned int hash = compute_hash(key); |
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29 unsigned int index = hash_to_index(hash); |
21562 | 30 for (JVMCIHashtableEntry<V>* e = bucket(index); e != NULL; e = e->next()) { |
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31 if (key_equals(get_key(e->literal_addr()), key)) { |
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32 if (replace) { |
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33 e->set_literal(value); |
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34 } |
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35 return false; |
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36 } |
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37 } |
21562 | 38 JVMCIHashtableEntry<V>* e = new JVMCIHashtableEntry<V>(value); |
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39 e->set_next(_buckets[index]); |
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40 _buckets[index] = e; |
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41 ++_number_of_entries; |
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42 return true; |
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43 } |
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44 |
21562 | 45 template<class K, class V> V* JVMCIHashtable<K,V>::get(K key) { |
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46 unsigned int index = index_for(key); |
21562 | 47 for (JVMCIHashtableEntry<V>* e = bucket(index); e != NULL; e = e->next()) { |
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48 if (key_equals(get_key(e->literal_addr()), key)) { |
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49 return e->literal_addr(); |
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50 } |
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51 } |
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52 return NULL; |
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53 } |
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54 |
21562 | 55 template<class K, class V> void JVMCIHashtable<K, V>::for_each(ValueClosure<V>* closure) { |
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56 for (size_t i = 0; i < table_size(); ++i) { |
21562 | 57 for (JVMCIHashtableEntry<V>* e = bucket(i); e != NULL && !closure->is_aborted(); e = e->next()) { |
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58 closure->do_value(e->literal_addr()); |
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59 } |
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60 } |
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61 } |
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62 |
21562 | 63 template<class K, class V> JVMCIHashtable<K,V>::~JVMCIHashtable() { |
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64 for (size_t i = 0; i < table_size(); ++i) { |
21562 | 65 JVMCIHashtableEntry<V>* e = bucket(i); |
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66 while (e != NULL) { |
21562 | 67 JVMCIHashtableEntry<V>* current = e; |
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68 e = e->next(); |
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69 delete current; |
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70 } |
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71 } |
21562 | 72 FREE_C_HEAP_ARRAY(JVMCIHashtableEntry*, _buckets, mtCompiler); |
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73 } |
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74 |
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75 // Instantiation |
21562 | 76 #include "jvmci/jvmciOptions.hpp" |
77 template class JVMCIHashtable<const char*, OptionDesc>; | |
78 template class JVMCIHashtable<const char*, OptionValue>; |