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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/WriteBarrierPreStubCall.java @ 9737:34c892fdfb6d

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moved responsibility for determining if a foreign call has a side effect to the runtime
author Doug Simon <doug.simon@oracle.com>
date Thu, 16 May 2013 16:32:46 +0200
parents 951d5ebf3c49
children 4cd4926ec683
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Christos Kotselidis <christos.kotselidis@oracle.com>
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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
1567c6cc6561 Towards porting G1 WBs
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1567c6cc6561 Towards porting G1 WBs
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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
1567c6cc6561 Towards porting G1 WBs
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16 * 2 along with this work; if not, write to the Free Software Foundation,
1567c6cc6561 Towards porting G1 WBs
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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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951d5ebf3c49 refactored ForeignCallDescriptor into a top level class and moved it to the api.meta project
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26 import com.oracle.graal.api.meta.*;
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27 import com.oracle.graal.compiler.gen.*;
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28 import com.oracle.graal.compiler.target.*;
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29 import com.oracle.graal.nodes.*;
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30 import com.oracle.graal.nodes.type.*;
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31
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32 /**
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fb2cf3033ebb replaced WriteBarrierPreStub and WriteBarrierPostStub with use of RuntimeCallStub
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33 * A call to {@code GraalRuntime::write_barrier_pre}.
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34 */
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35 public class WriteBarrierPreStubCall extends FixedWithNextNode implements LIRGenLowerable {
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36
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c92949b1ec8a -Changes after CR-243
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37 @Input private ValueNode object;
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34c892fdfb6d moved responsibility for determining if a foreign call has a side effect to the runtime
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38 public static final ForeignCallDescriptor WRITE_BARRIER_PRE = new ForeignCallDescriptor("writeBarrierPre", void.class, Object.class);
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39
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40 public WriteBarrierPreStubCall(ValueNode object) {
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41 super(StampFactory.forVoid());
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42 this.object = object;
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43 }
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44
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45 @Override
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46 public void generate(LIRGenerator gen) {
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db2125285960 replaced wb_pre_call and wb_post_call assembler stubs with compiled stubs (GRAAL-81)
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47 RuntimeCallTarget stub = gen.getRuntime().lookupRuntimeCall(WriteBarrierPreStubCall.WRITE_BARRIER_PRE);
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2c0c708a0ad6 Introduce DeoptimizingNode interface
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48 gen.emitCall(stub, stub.getCallingConvention(), null, gen.operand(object));
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49 }
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50
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51 @NodeIntrinsic
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52 public static native void call(Object hub);
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53 }