Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/memory/WriteNode.java @ 21522:28cbfacd0518
Merge
author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
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date | Thu, 28 May 2015 17:44:05 +0200 |
parents | graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/WriteNode.java@8fc336a04d77 graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/WriteNode.java@cba35d171cd1 |
children | 47bebae7454f |
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/* * Copyright (c) 2011, 2015, 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.nodes.memory; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.*; 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.nodes.extended.LocationNode.Location; import com.oracle.graal.nodes.spi.*; /** * Writes a given {@linkplain #value() value} a {@linkplain FixedAccessNode memory location}. */ @NodeInfo public final class WriteNode extends AbstractWriteNode implements LIRLowerable, Simplifiable, Virtualizable { public static final NodeClass<WriteNode> TYPE = NodeClass.create(WriteNode.class); public WriteNode(ValueNode object, ValueNode value, ValueNode location, BarrierType barrierType) { super(TYPE, object, value, location, barrierType); } public WriteNode(ValueNode object, ValueNode value, ValueNode location, BarrierType barrierType, boolean initialization) { super(TYPE, object, value, location, barrierType, initialization); } public WriteNode(ValueNode object, ValueNode value, ValueNode location, BarrierType barrierType, GuardingNode guard, boolean initialization) { super(TYPE, object, value, location, barrierType, guard, initialization); } @Override public void generate(NodeLIRBuilderTool gen) { Value address = location().generateAddress(gen, gen.getLIRGeneratorTool(), gen.operand(object())); LIRKind writeKind = gen.getLIRGeneratorTool().getLIRKind(value().stamp()); gen.getLIRGeneratorTool().emitStore(writeKind, address, gen.operand(value()), gen.state(this)); } @Override public void simplify(SimplifierTool tool) { if (object() instanceof PiNode && ((PiNode) object()).getGuard() == getGuard()) { setObject(((PiNode) object()).getOriginalNode()); } } @NodeIntrinsic public static native void writeMemory(Object object, Object value, Location location, @ConstantNodeParameter BarrierType barrierType); @Override public void virtualize(VirtualizerTool tool) { throw GraalInternalError.shouldNotReachHere("unexpected WriteNode before PEA"); } public boolean canNullCheck() { return true; } }