Mercurial > hg > truffle
view graal/com.oracle.max.graal.runtime/src/com/oracle/max/graal/runtime/nodes/FieldWriteBarrier.java @ 3516:9b59afa78775
Remove copy method from nodes.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
---|---|
date | Mon, 08 Aug 2011 23:27:54 +0200 |
parents | 82480cb4a51e |
children | 6b841b6b2437 |
line wrap: on
line source
/* * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.max.graal.runtime.nodes; import com.oracle.max.graal.compiler.debug.*; import com.oracle.max.graal.compiler.gen.*; import com.oracle.max.graal.compiler.ir.*; import com.oracle.max.graal.graph.*; import com.sun.cri.ci.*; public final class FieldWriteBarrier extends WriteBarrier { @Input private Value object; public Value object() { return object; } public void setObject(Value x) { updateUsages(object, x); object = x; } public FieldWriteBarrier(Value object, Graph graph) { super(graph); this.setObject(object); } @SuppressWarnings("unchecked") @Override public <T extends Op> T lookup(Class<T> clazz) { if (clazz == LIRGenerator.LIRGeneratorOp.class) { return (T) new LIRGenerator.LIRGeneratorOp() { @Override public void generate(Node n, LIRGenerator generator) { assert n == FieldWriteBarrier.this; CiVariable temp = generator.newVariable(CiKind.Word); generator.lir().move(generator.makeOperand(object()), temp); FieldWriteBarrier.this.generateBarrier(temp, generator); } }; } return super.lookup(clazz); } @Override public void print(LogStream out) { out.print("field write barrier ").print(object()); } }