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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/WriteBarrierPreStubCall.java @ 9595:db2125285960

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replaced wb_pre_call and wb_post_call assembler stubs with compiled stubs (GRAAL-81)
author Doug Simon <doug.simon@oracle.com>
date Tue, 07 May 2013 01:53:01 +0200
parents 2c0c708a0ad6
children fb2cf3033ebb
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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.code.*;
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26 import com.oracle.graal.api.code.RuntimeCallTarget.Descriptor;
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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.hotspot.stubs.*;
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30 import com.oracle.graal.nodes.*;
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31 import com.oracle.graal.nodes.type.*;
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32
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33 /**
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34 * Node implementing a call to {@link WriteBarrierPreStub}.
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35 */
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36 public class WriteBarrierPreStubCall extends FixedWithNextNode implements LIRGenLowerable {
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37
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38 @Input private ValueNode object;
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39 public static final Descriptor WRITE_BARRIER_PRE = new Descriptor("writeBarrierPre", true, void.class, Object.class);
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40
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41 public WriteBarrierPreStubCall(ValueNode object) {
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42 super(StampFactory.forVoid());
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43 this.object = object;
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44 }
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45
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46 @Override
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47 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)
Doug Simon <doug.simon@oracle.com>
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48 RuntimeCallTarget stub = gen.getRuntime().lookupRuntimeCall(WriteBarrierPreStubCall.WRITE_BARRIER_PRE);
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49 gen.emitCall(stub, stub.getCallingConvention(), null, gen.operand(object));
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50 }
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51
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52 @NodeIntrinsic
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53 public static native void call(Object hub);
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54 }