Mercurial > hg > truffle
diff graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CardTableShiftNode.java @ 18661:aa4f2e3629ca
Added card table PIC support
author | adlertz |
---|---|
date | Thu, 11 Dec 2014 19:35:02 +0100 |
parents | |
children | f57d86eb036f |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/replacements/CardTableShiftNode.java Thu Dec 11 19:35:02 2014 +0100 @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2014, 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.replacements; + +import com.oracle.graal.api.meta.*; +import com.oracle.graal.compiler.common.type.*; +import com.oracle.graal.hotspot.*; +import com.oracle.graal.nodeinfo.*; +import com.oracle.graal.nodes.calc.*; +import com.oracle.graal.nodes.spi.*; + +@NodeInfo +public class CardTableShiftNode extends FloatingNode implements LIRLowerable { + + public static CardTableShiftNode create() { + return new CardTableShiftNode(); + } + + protected CardTableShiftNode() { + super(StampFactory.intValue()); + } + + @Override + public void generate(NodeLIRBuilderTool generator) { + Value res = ((HotSpotLIRGenerator) generator.getLIRGeneratorTool()).emitCardTableShift(); + generator.setResult(this, res); + } + + @NodeIntrinsic + public static native int cardTableShift(); +}