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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/CurrentLockNode.java @ 19403:61d3cb8e1280

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Add generic parameter to NodeClass. Change Graph#getNodes(Class) to Graph#getNodes(NodeClass).
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Mon, 16 Feb 2015 17:47:43 +0100
parents 7e2c87dae93e
children 8fc336a04d77
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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
abeeb57b655d added MonitorSnippets which passes MonitorTest but is not yet enabled for general lowering
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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.code.*;
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26 import com.oracle.graal.api.meta.*;
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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.nodeinfo.*;
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30 import com.oracle.graal.nodes.*;
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31 import com.oracle.graal.nodes.spi.*;
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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 * Intrinsic for getting the lock in the current {@linkplain BeginLockScopeNode lock scope}.
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36 */
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37 @NodeInfo
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38 public final class CurrentLockNode extends FixedWithNextNode implements LIRLowerable {
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39 public static final NodeClass<CurrentLockNode> TYPE = NodeClass.get(CurrentLockNode.class);
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40
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41 protected int lockDepth;
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42
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43 public CurrentLockNode(int lockDepth) {
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44 super(TYPE, null);
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45 this.lockDepth = lockDepth;
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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 assert lockDepth != -1;
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51 HotSpotLIRGenerator hsGen = (HotSpotLIRGenerator) gen.getLIRGeneratorTool();
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52 StackSlotValue slot = hsGen.getLockSlot(lockDepth);
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53 // The register allocator cannot handle stack -> register moves so we use an LEA here
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54 Value result = gen.getLIRGeneratorTool().emitAddress(slot);
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55 gen.setResult(this, result);
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56 }
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57
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58 @NodeIntrinsic(setStampFromReturnType = true)
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59 public static native Word currentLock(@ConstantNodeParameter int lockDepth);
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60 }