Mercurial > hg > graal-compiler
annotate src/share/vm/ci/ciCPCache.hpp @ 1782:f353275af40e
6981773: incorrect fill value with OptimizeFill
Reviewed-by: kvn, twisti
author | never |
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date | Thu, 02 Sep 2010 11:40:02 -0700 |
parents | 136b78722a08 |
children | f95d63e2154a |
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1137 | 1 /* |
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2 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. |
1137 | 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 * | |
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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. |
1137 | 22 * |
23 */ | |
24 | |
25 // ciCPCache | |
26 // | |
27 // This class represents a constant pool cache. | |
28 // | |
29 // Note: This class is called ciCPCache as ciConstantPoolCache is used | |
30 // for something different. | |
31 class ciCPCache : public ciObject { | |
1602 | 32 private: |
33 constantPoolCacheOop get_cpCacheOop() { // must be called inside a VM_ENTRY_MARK | |
34 return (constantPoolCacheOop) get_oop(); | |
35 } | |
36 | |
37 ConstantPoolCacheEntry* entry_at(int i) { | |
38 int raw_index = i; | |
39 if (constantPoolCacheOopDesc::is_secondary_index(i)) | |
40 raw_index = constantPoolCacheOopDesc::decode_secondary_index(i); | |
41 return get_cpCacheOop()->entry_at(raw_index); | |
42 } | |
43 | |
1137 | 44 public: |
45 ciCPCache(constantPoolCacheHandle cpcache) : ciObject(cpcache) {} | |
46 | |
47 // What kind of ciObject is this? | |
48 bool is_cpcache() const { return true; } | |
49 | |
50 // Get the offset in bytes from the oop to the f1 field of the | |
51 // requested entry. | |
52 size_t get_f1_offset(int index); | |
53 | |
1295 | 54 bool is_f1_null_at(int index); |
55 | |
1602 | 56 int get_pool_index(int index); |
57 | |
1137 | 58 void print(); |
59 }; |