Mercurial > hg > truffle
annotate src/share/vm/ci/ciCPCache.hpp @ 4990:2551ebf25ff9
slightly prefer inlining within loops
author | Christian Haeubl <christian.haeubl@oracle.com> |
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date | Mon, 27 Feb 2012 19:15:30 -0800 |
parents | 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. |
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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 | |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
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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 | |
1972 | 25 #ifndef SHARE_VM_CI_CICPCACHE_HPP |
26 #define SHARE_VM_CI_CICPCACHE_HPP | |
27 | |
28 #include "ci/ciClassList.hpp" | |
29 #include "ci/ciObject.hpp" | |
30 #include "oops/cpCacheOop.hpp" | |
31 | |
1137 | 32 // ciCPCache |
33 // | |
34 // This class represents a constant pool cache. | |
35 // | |
36 // Note: This class is called ciCPCache as ciConstantPoolCache is used | |
37 // for something different. | |
38 class ciCPCache : public ciObject { | |
1602 | 39 private: |
40 constantPoolCacheOop get_cpCacheOop() { // must be called inside a VM_ENTRY_MARK | |
41 return (constantPoolCacheOop) get_oop(); | |
42 } | |
43 | |
44 ConstantPoolCacheEntry* entry_at(int i) { | |
45 int raw_index = i; | |
46 if (constantPoolCacheOopDesc::is_secondary_index(i)) | |
47 raw_index = constantPoolCacheOopDesc::decode_secondary_index(i); | |
48 return get_cpCacheOop()->entry_at(raw_index); | |
49 } | |
50 | |
1137 | 51 public: |
52 ciCPCache(constantPoolCacheHandle cpcache) : ciObject(cpcache) {} | |
53 | |
54 // What kind of ciObject is this? | |
55 bool is_cpcache() const { return true; } | |
56 | |
57 // Get the offset in bytes from the oop to the f1 field of the | |
58 // requested entry. | |
59 size_t get_f1_offset(int index); | |
60 | |
1295 | 61 bool is_f1_null_at(int index); |
62 | |
1602 | 63 int get_pool_index(int index); |
64 | |
1137 | 65 void print(); |
66 }; | |
1972 | 67 |
68 #endif // SHARE_VM_CI_CICPCACHE_HPP |