Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/g1/g1Log.hpp @ 13037:c8fc12209830
8027616: Off by one error in putback for compressed oops nashorn performance improvement
Summary: Should compare bounds greater than or equal 4G when deciding if shift is needed or CDS area + compressed class space are within 4G of each other.
Reviewed-by: stefank, hseigel, zgu
author | coleenp |
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date | Thu, 31 Oct 2013 14:11:02 -0400 |
parents | 5c86f8211d1e |
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1 /* |
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2 * Copyright (c) 2012, 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 */ |
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24 |
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25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1LOG_HPP |
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26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1LOG_HPP |
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27 |
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28 #include "memory/allocation.hpp" |
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29 |
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30 class G1Log : public AllStatic { |
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31 typedef enum { |
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32 LevelNone, |
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33 LevelFine, |
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34 LevelFiner, |
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35 LevelFinest |
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36 } LogLevel; |
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37 |
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38 static LogLevel _level; |
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39 |
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40 public: |
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41 inline static bool fine() { |
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42 return _level >= LevelFine; |
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43 } |
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44 |
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45 inline static bool finer() { |
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46 return _level >= LevelFiner; |
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47 } |
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48 |
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49 inline static bool finest() { |
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50 return _level == LevelFinest; |
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51 } |
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52 |
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53 static void init(); |
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54 }; |
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55 |
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56 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1LOG_HPP |