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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/NewMultiArrayStubCall.java @ 11959:23ccaa863eda

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made CodeCacheProvider independent of MetaAccessProvider (GRAAL-511)
author Doug Simon <doug.simon@oracle.com>
date Thu, 10 Oct 2013 16:14:55 +0200
parents b4f12c603be5
children ec57cc36371e
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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 com.oracle.graal.api.meta.*;
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26 import com.oracle.graal.hotspot.meta.*;
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27 import com.oracle.graal.nodes.*;
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28 import com.oracle.graal.nodes.extended.*;
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29 import com.oracle.graal.nodes.spi.*;
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30 import com.oracle.graal.nodes.type.*;
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31 import com.oracle.graal.word.*;
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32
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33 /**
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34 * Node implementing a call to {@code GraalRuntime::new_multi_array}.
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35 */
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36 public class NewMultiArrayStubCall extends ForeignCallNode {
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37
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38 private static final Stamp defaultStamp = StampFactory.objectNonNull();
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39
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40 @Input private ValueNode hub;
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41 @Input private ValueNode dims;
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42 private final int rank;
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43
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44 public static final ForeignCallDescriptor NEW_MULTI_ARRAY = new ForeignCallDescriptor("new_multi_array", Object.class, Word.class, int.class, Word.class);
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45
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46 public NewMultiArrayStubCall(MetaAccessProvider metaAccess, ValueNode hub, int rank, ValueNode dims) {
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47 super(metaAccess, NEW_MULTI_ARRAY, defaultStamp);
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48 this.hub = hub;
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49 this.rank = rank;
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50 this.dims = dims;
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51 }
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52
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53 @Override
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54 public boolean inferStamp() {
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55 if (stamp() == defaultStamp && hub.isConstant()) {
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56 updateStamp(StampFactory.exactNonNull(HotSpotResolvedObjectType.fromMetaspaceKlass(hub.asConstant())));
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57 return true;
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58 }
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59 return false;
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60 }
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61
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62 @Override
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63 protected Value[] operands(LIRGeneratorTool gen) {
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64 return new Value[]{gen.operand(hub), Constant.forInt(rank), gen.operand(dims)};
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65 }
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66
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67 @NodeIntrinsic
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68 public static native Object call(Word hub, @ConstantNodeParameter int rank, Word dims);
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69 }