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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/ObjectSubstitutions.java @ 15489:d0e3f6963ed7
mx: made parallel Java builds interact correctly with management of subprocesses upon abort/quit
author | Doug Simon <doug.simon@oracle.com> |
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date | Sun, 04 May 2014 01:26:50 +0200 |
parents | 67905c049016 |
children | 31832ebd40cf |
rev | line source |
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replaced manual intrinsification of Object.getClass() with a snippet
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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 |
d526fa5640c8
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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 |
d526fa5640c8
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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 package com.oracle.graal.hotspot.replacements; |
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24 |
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rename: HotSpotSnippetUtils -> HotSpotReplacementsUtil
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25 import static com.oracle.graal.hotspot.replacements.HotSpotReplacementsUtil.*; |
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26 import static com.oracle.graal.nodes.PiNode.*; |
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27 |
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pulled LocationIdentity into a top level class and moved it to the api.meta project
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28 import com.oracle.graal.api.meta.*; |
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created com.oracle.graal.api.replacements project and moved ClassSubstitution and MethodSubstitution there
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29 import com.oracle.graal.api.replacements.*; |
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30 import com.oracle.graal.nodes.java.*; |
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31 import com.oracle.graal.nodes.spi.*; |
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More complete and reusable Word type
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32 import com.oracle.graal.word.*; |
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33 |
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34 /** |
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35 * Substitutions for {@link java.lang.Object} methods. |
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36 */ |
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37 @ClassSubstitution(java.lang.Object.class) |
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38 public class ObjectSubstitutions { |
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new facility to add branch probabilities for snippets, probabilities for frequently-used snippets
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39 |
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40 @MacroSubstitution(macro = ObjectGetClassNode.class, isStatic = false, forced = true) |
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41 @MethodSubstitution(isStatic = false, forced = true) |
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42 public static Class<?> getClass(final Object thisObj) { |
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43 Word hub = loadHub(thisObj); |
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44 return piCastExactNonNull(hub.readObject(Word.signed(classMirrorOffset()), LocationIdentity.FINAL_LOCATION), Class.class); |
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45 } |
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46 |
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47 @MethodSubstitution(isStatic = false) |
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48 public static int hashCode(final Object thisObj) { |
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factored out code common to SystemSubstitutions.identityHashCode() and ObjectSubstitutions.hashCode()
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49 return computeHashCode(thisObj); |
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50 } |
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51 |
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52 @MethodSubstitution(value = "<init>", isStatic = false, forced = true) |
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53 public static void init(Object thisObj) { |
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54 RegisterFinalizerNode.register(thisObj); |
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55 } |
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56 |
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57 @MacroSubstitution(macro = ObjectCloneNode.class, isStatic = false, forced = true) |
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58 public static native Object clone(Object obj); |
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59 } |