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annotate graal/com.oracle.max.cri/src/com/oracle/max/cri/xir/RiXirGenerator.java @ 5167:591f8231aa82

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removed XIR & LIR code for nodes that are completely lowered in HotspotRuntime.lower() separated out the GC write barrier from CompareAndSwapNode in HotspotRuntime.lower() inserted membars for volatile field read/write in HotspotRuntime.lower()
author Doug Simon <doug.simon@oracle.com>
date Wed, 28 Mar 2012 14:31:56 +0200
parents 5e6f1026a63e
children efbb1e33e2f3
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1 /*
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2 * Copyright (c) 2009, 2011, 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 package com.oracle.max.cri.xir;
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25 import com.oracle.max.cri.ci.*;
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26 import com.oracle.max.cri.ri.*;
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27 import com.oracle.max.cri.ri.RiType.Representation;
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29 /**
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30 * Represents the interface through which the compiler requests the XIR for a given bytecode from the runtime system.
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31 */
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32 public interface RiXirGenerator {
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34 /**
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35 * Note: may return {@code null}.
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36 */
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37 XirSnippet genPrologue(XirSite site, RiResolvedMethod method);
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38
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39 /**
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40 * Note: may return {@code null} in which case the compiler will not emit a return instruction.
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41 */
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42 XirSnippet genEpilogue(XirSite site, RiResolvedMethod method);
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43
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44 XirSnippet genSafepointPoll(XirSite site);
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45
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46 XirSnippet genExceptionObject(XirSite site);
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47
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48 XirSnippet genInvokeInterface(XirSite site, XirArgument receiver, RiMethod method);
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49
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50 XirSnippet genInvokeVirtual(XirSite site, XirArgument receiver, RiMethod method, boolean megamorph);
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52 XirSnippet genInvokeSpecial(XirSite site, XirArgument receiver, RiMethod method);
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53
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54 XirSnippet genInvokeStatic(XirSite site, RiMethod method);
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56 XirSnippet genMonitorEnter(XirSite site, XirArgument receiver, XirArgument lockAddress);
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58 XirSnippet genMonitorExit(XirSite site, XirArgument receiver, XirArgument lockAddress);
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59
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60 XirSnippet genNewInstance(XirSite site, RiType type);
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61
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62 XirSnippet genNewArray(XirSite site, XirArgument length, CiKind elementKind, RiType componentType, RiType arrayType);
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64 XirSnippet genNewMultiArray(XirSite site, XirArgument[] lengths, RiType type);
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66 XirSnippet genCheckCast(XirSite site, XirArgument receiver, XirArgument hub, RiType type, RiResolvedType[] hints, boolean hintsExact);
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68 XirSnippet genInstanceOf(XirSite site, XirArgument receiver, XirArgument hub, RiType type, RiResolvedType[] hints, boolean hintsExact);
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70 XirSnippet genMaterializeInstanceOf(XirSite site, XirArgument receiver, XirArgument hub, XirArgument trueValue, XirArgument falseValue, RiType type, RiResolvedType[] hints, boolean hintsExact);
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72 XirSnippet genArrayCopy(XirSite site, XirArgument src, XirArgument srcPos, XirArgument dest, XirArgument destPos, XirArgument length, RiType elementType, boolean inputsSame, boolean inputsDifferent);
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73
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74 /**
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75 * Generates code that checks that the {@linkplain Representation#ObjectHub hub} of
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76 * an object is identical to a given hub constant. In pseudo code:
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77 * <pre>
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78 * if (object.getHub() != hub) {
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79 * jump(falseSuccessor)
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80 * }
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81 * </pre>
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82 * This snippet should only be used when the object is guaranteed not to be null.
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83 */
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84 XirSnippet genTypeBranch(XirSite site, XirArgument thisHub, XirArgument otherHub, RiType type);
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86 /**
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87 * Initializes the XIR generator for the given XIR assembler.
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88 *
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89 * @param asm the XIR assembler
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90 */
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91 void initialize(CiXirAssembler asm);
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92
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93 }