Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/AddLocationNode.java @ 9242:8e7dc0023b04
Rename generateLea to generateAddress.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Tue, 23 Apr 2013 10:29:54 +0200 |
parents | 374ece5ff845 |
children | 9ee5f3bfa755 |
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/* * Copyright (c) 2013, 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.graph.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.calc.*; import com.oracle.graal.nodes.spi.*; /** * Location node that is the sum of two other location nodes. Can represent locations in the form of * [(base + x) + y] where base is a node and x and y are location nodes. */ @NodeInfo(nameTemplate = "AddLoc {p#locationIdentity/s}") public final class AddLocationNode extends LocationNode implements Canonicalizable { @Input private ValueNode x; @Input private ValueNode y; public LocationNode getX() { return (LocationNode) x; } public LocationNode getY() { return (LocationNode) y; } public static AddLocationNode create(LocationNode x, LocationNode y, Graph graph) { assert x.getValueKind().equals(y.getValueKind()) && x.locationIdentity() == y.locationIdentity(); return graph.unique(new AddLocationNode(x.locationIdentity(), x.getValueKind(), x, y)); } private AddLocationNode(Object identity, Kind kind, ValueNode x, ValueNode y) { super(identity, kind); this.x = x; this.y = y; } @Override protected LocationNode addDisplacement(long displacement) { LocationNode added = getX().addDisplacement(displacement); return graph().unique(new AddLocationNode(locationIdentity(), getValueKind(), added, getY())); } @Override public ValueNode canonical(CanonicalizerTool tool) { if (x instanceof ConstantLocationNode) { return getY().addDisplacement(((ConstantLocationNode) x).displacement()); } if (y instanceof ConstantLocationNode) { return getX().addDisplacement(((ConstantLocationNode) y).displacement()); } if (x instanceof IndexedLocationNode && y instanceof IndexedLocationNode) { IndexedLocationNode xIdx = (IndexedLocationNode) x; IndexedLocationNode yIdx = (IndexedLocationNode) y; if (xIdx.indexScaling() == yIdx.indexScaling()) { long displacement = xIdx.displacement() + yIdx.displacement(); ValueNode index = IntegerArithmeticNode.add(xIdx.index(), yIdx.index()); return IndexedLocationNode.create(locationIdentity(), getValueKind(), displacement, index, graph(), xIdx.indexScaling()); } } return this; } @Override public Value generateAddress(LIRGeneratorTool gen, Value base) { Value xAddr = getX().generateAddress(gen, base); return getY().generateAddress(gen, xAddr); } @Override public Value generateLoad(LIRGeneratorTool gen, Value base, DeoptimizingNode deopting) { Value xAddr = getX().generateAddress(gen, base); return getY().generateLoad(gen, xAddr, deopting); } @Override public void generateStore(LIRGeneratorTool gen, Value base, Value value, DeoptimizingNode deopting) { Value xAddr = getX().generateAddress(gen, base); getY().generateStore(gen, xAddr, value, deopting); } @NodeIntrinsic public static native Location addLocation(@ConstantNodeParameter Object identity, @ConstantNodeParameter Kind kind, Location x, Location y); }