Mercurial > hg > graal-compiler
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/ConstantLocationNode.java @ 17276:ffb974bef674
moved Node valueNumber and valueEquals logic (optionally) to generated nodes
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 01 Oct 2014 07:39:47 +0200 |
parents | 0fe4732e5181 |
children | 845e881ce054 |
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/* * 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.nodes.extended; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.graph.*; import com.oracle.graal.lir.gen.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.spi.*; /** * Location node that has a constant displacement. Can represent addresses of the form [base + disp] * where base is a node and disp is a constant. */ @NodeInfo(nameTemplate = "Loc {p#locationIdentity/s}") public class ConstantLocationNode extends LocationNode { protected final Kind valueKind; protected final LocationIdentity locationIdentity; protected final long displacement; public static ConstantLocationNode create(LocationIdentity identity, Kind kind, long displacement, Graph graph) { return graph.unique(ConstantLocationNode.create(identity, kind, displacement)); } public static ConstantLocationNode create(LocationIdentity identity, Kind kind, long displacement) { return USE_GENERATED_NODES ? new ConstantLocationNodeGen(identity, kind, displacement) : new ConstantLocationNode(identity, kind, displacement); } ConstantLocationNode(LocationIdentity identity, Kind kind, long displacement) { super(StampFactory.forVoid()); assert kind != Kind.Illegal && kind != Kind.Void; this.valueKind = kind; this.locationIdentity = identity; this.displacement = displacement; } @Override public Kind getValueKind() { return valueKind; } @Override public LocationIdentity getLocationIdentity() { return locationIdentity; } public long getDisplacement() { return displacement; } @Override public Value generateAddress(NodeMappableLIRBuilder builder, LIRGeneratorTool gen, Value base) { return gen.emitAddress(base, getDisplacement(), Value.ILLEGAL, 0); } @Override public IntegerStamp getDisplacementStamp() { return StampFactory.forInteger(64, displacement, displacement); } }