Mercurial > hg > graal-compiler
view graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/typesystem/CustomizedUnsafeStoreMacroNode.java @ 18998:ec0733b5a90a
Allow final modifier on node subclasses and start adding the modifier to leaf classes.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Wed, 28 Jan 2015 02:34:14 +0100 |
parents | 7536b78cd31d |
children | 7e2c87dae93e |
line wrap: on
line source
/* * Copyright (c) 2013, 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.truffle.nodes.typesystem; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.graph.spi.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.truffle.nodes.*; import com.oracle.graal.truffle.nodes.asserts.*; /** * Macro node for method CompilerDirectives#unsafePut*. */ @NodeInfo public final class CustomizedUnsafeStoreMacroNode extends NeverPartOfCompilationNode implements Canonicalizable, StateSplit { private static final int ARGUMENT_COUNT = 4; private static final int OBJECT_ARGUMENT_INDEX = 0; private static final int OFFSET_ARGUMENT_INDEX = 1; private static final int VALUE_ARGUMENT_INDEX = 2; private static final int LOCATION_ARGUMENT_INDEX = 3; public CustomizedUnsafeStoreMacroNode(Invoke invoke) { super(invoke, "The location argument could not be resolved to a constant."); assert arguments.size() == ARGUMENT_COUNT; } @Override public Node canonical(CanonicalizerTool tool) { ValueNode locationArgument = arguments.get(LOCATION_ARGUMENT_INDEX); if (locationArgument.isConstant()) { ValueNode objectArgument = arguments.get(OBJECT_ARGUMENT_INDEX); ValueNode offsetArgument = arguments.get(OFFSET_ARGUMENT_INDEX); ValueNode valueArgument = arguments.get(VALUE_ARGUMENT_INDEX); LocationIdentity locationIdentity; if (locationArgument.isNullConstant()) { locationIdentity = LocationIdentity.ANY_LOCATION; } else { locationIdentity = ObjectLocationIdentity.create(locationArgument.asJavaConstant()); } return new UnsafeStoreNode(objectArgument, offsetArgument, valueArgument, this.getTargetMethod().getSignature().getParameterKind(VALUE_ARGUMENT_INDEX), locationIdentity, stateAfter()); } return this; } }