Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/WriteBarrier.java @ 5540:a891c53a295b
Renaming RiKind => Kind.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Fri, 08 Jun 2012 23:47:42 +0200 |
parents | bc647d8b0080 |
children | b6617d13ea44 |
line wrap: on
line source
/* * Copyright (c) 2011, 2012, 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.graal.hotspot.nodes; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; public abstract class WriteBarrier extends FixedWithNextNode { public WriteBarrier() { super(StampFactory.forVoid()); } protected void generateBarrier(Value adr, LIRGeneratorTool gen) { HotSpotVMConfig config = HotSpotGraalRuntime.getInstance().getConfig(); Value base = gen.emitUShr(adr, Constant.forInt(config.cardtableShift)); long startAddress = config.cardtableStartAddress; int displacement = 0; if (((int) startAddress) == startAddress) { displacement = (int) startAddress; } else { base = gen.emitAdd(base, Constant.forLong(config.cardtableStartAddress)); } gen.emitStore(new CiAddress(Kind.Boolean, base, displacement), Constant.FALSE, false); } }