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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/NewMultiArrayStubCall.java @ 7084:9ba90252ce08

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HotSpotResolvedJavaType is now the HotSpot implementation of ResolvedJavaType, Renamed old HotSpotResolvedJavaType to HotSpotResolvedObjectType Renamed HotSpotTypePrimitive to HotSpotResolvedPrimitiveType Renamed HotSpotTypeUnresolved to HotSpotUnresolvedJavaType
author Gilles Duboscq <duboscq@ssw.jku.at>
date Wed, 28 Nov 2012 14:07:25 +0100
parents 41938af2b3d8
children ae69cd8c08a9
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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 package com.oracle.graal.hotspot.nodes;
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24
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25 import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*;
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27 import com.oracle.graal.api.code.*;
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28 import com.oracle.graal.api.code.RuntimeCall.Descriptor;
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29 import com.oracle.graal.api.meta.*;
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30 import com.oracle.graal.compiler.gen.*;
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31 import com.oracle.graal.compiler.target.*;
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32 import com.oracle.graal.hotspot.meta.*;
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33 import com.oracle.graal.lir.*;
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34 import com.oracle.graal.nodes.*;
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35 import com.oracle.graal.nodes.type.*;
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36 import com.oracle.graal.snippets.*;
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37
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38 /**
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39 * Node implementing a call to HotSpot's {@code new_multi_array} stub.
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40 */
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41 public class NewMultiArrayStubCall extends FixedWithNextNode implements LIRGenLowerable {
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42
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43 private static final Stamp defaultStamp = StampFactory.objectNonNull();
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44
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45 @Input private final ValueNode hub;
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46 @Input private final ValueNode dims;
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47 private final int rank;
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48
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49 public static final Descriptor NEW_MULTI_ARRAY = new Descriptor("new_multi_array", false, Kind.Object, wordKind(), Kind.Int, wordKind());
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50
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51 public NewMultiArrayStubCall(ValueNode hub, int rank, ValueNode dims) {
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52 super(defaultStamp);
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53 this.hub = hub;
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54 this.rank = rank;
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55 this.dims = dims;
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56 }
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57
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58 @Override
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59 public boolean inferStamp() {
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60 if (stamp() == defaultStamp && hub.isConstant()) {
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61 updateStamp(StampFactory.exactNonNull(HotSpotResolvedObjectType.fromMetaspaceKlass(hub.asConstant())));
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62 return true;
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63 }
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64 return false;
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65 }
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66
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67 @Override
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68 public void generate(LIRGenerator gen) {
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69 RuntimeCall stub = gen.getRuntime().lookupRuntimeCall(NewMultiArrayStubCall.NEW_MULTI_ARRAY);
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70 Variable result = gen.emitCall(stub, stub.getCallingConvention(), true, gen.operand(hub), Constant.forInt(rank), gen.operand(dims));
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71 gen.setResult(this, result);
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72 }
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73
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74 @NodeIntrinsic
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75 public static native Object call(Word hub, @ConstantNodeParameter int rank, Word dims);
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76 }