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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/SaveAllRegistersNode.java @ 19526:8fc336a04d77

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Create TYPE fields for LIRInstruction and CompositeValue. Renaming NodeClass#get to NodeClass#create.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Fri, 20 Feb 2015 22:22:55 +0100
parents 61d3cb8e1280
children 3d0116ec99c5
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1 /*
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2 * Copyright (c) 2013, 2015, 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.compiler.common.type.*;
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27 import com.oracle.graal.graph.*;
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28 import com.oracle.graal.hotspot.*;
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29 import com.oracle.graal.lir.StandardOp.SaveRegistersOp;
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30 import com.oracle.graal.nodeinfo.*;
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31 import com.oracle.graal.nodes.*;
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32 import com.oracle.graal.nodes.extended.*;
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33 import com.oracle.graal.nodes.spi.*;
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34
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35 /**
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36 * Saves all allocatable registers.
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37 */
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38 @NodeInfo(allowedUsageTypes = {InputType.Memory})
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39 public final class SaveAllRegistersNode extends FixedWithNextNode implements LIRLowerable, MemoryCheckpoint.Single {
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40
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41 public static final NodeClass<SaveAllRegistersNode> TYPE = NodeClass.create(SaveAllRegistersNode.class);
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42 protected SaveRegistersOp saveRegistersOp;
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43
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44 public SaveAllRegistersNode() {
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45 super(TYPE, StampFactory.forKind(Kind.Long));
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46 }
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47
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48 @Override
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49 public void generate(NodeLIRBuilderTool gen) {
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50 saveRegistersOp = ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).emitSaveAllRegisters();
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51 }
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52
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53 /**
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54 * @return the map from registers to the stack locations in they are saved
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55 */
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56 public SaveRegistersOp getSaveRegistersOp() {
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57 assert saveRegistersOp != null : "saved registers op has not yet been created";
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58 return saveRegistersOp;
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59 }
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60
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61 /**
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62 * @return a token that couples this node to an {@link UncommonTrapCallNode} so that the latter
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63 * has access to the {@linkplain SaveRegistersOp#getMap register save map}
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64 */
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65 @NodeIntrinsic
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66 public static native long saveAllRegisters();
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67
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68 public LocationIdentity getLocationIdentity() {
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69 return LocationIdentity.ANY_LOCATION;
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70 }
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71 }