Mercurial > hg > truffle
annotate src/share/vm/memory/genRemSet.cpp @ 5998:49036505ab5f
7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass.
Summary: Change implementor to embedded instanceKlass field.
Reviewed-by: sspitsyn, minqi, coleenp
author | jiangli |
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date | Thu, 29 Mar 2012 22:18:56 -0400 |
parents | f95d63e2154a |
children | da91efe96a93 |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "memory/cardTableRS.hpp" | |
27 #include "memory/genRemSet.hpp" | |
28 | |
0 | 29 // This kind of "BarrierSet" allows a "CollectedHeap" to detect and |
30 // enumerate ref fields that have been modified (since the last | |
31 // enumeration.) | |
32 | |
33 uintx GenRemSet::max_alignment_constraint(Name nm) { | |
34 switch (nm) { | |
35 case GenRemSet::CardTable: | |
36 return CardTableRS::ct_max_alignment_constraint(); | |
37 default: | |
38 guarantee(false, "Unrecognized GenRemSet type."); | |
39 return (0); // Make Windows compiler happy | |
40 } | |
41 } |