001/*
002 * Copyright (c) 2015, 2015, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023
024package com.oracle.graal.compiler.sparc;
025
026import jdk.internal.jvmci.meta.*;
027
028import com.oracle.graal.asm.sparc.*;
029import com.oracle.graal.graph.*;
030import com.oracle.graal.lir.sparc.*;
031import com.oracle.graal.nodeinfo.*;
032import com.oracle.graal.nodes.*;
033import com.oracle.graal.nodes.memory.address.*;
034import com.oracle.graal.nodes.spi.*;
035
036/**
037 * Represents an address of the form [base + simm13].
038 */
039@NodeInfo
040public class SPARCImmediateAddressNode extends AddressNode implements LIRLowerable {
041
042    public static final NodeClass<SPARCImmediateAddressNode> TYPE = NodeClass.create(SPARCImmediateAddressNode.class);
043
044    @Input private ValueNode base;
045    private int displacement;
046
047    public SPARCImmediateAddressNode(ValueNode base, int displacement) {
048        super(TYPE);
049        assert SPARCAssembler.isSimm13(displacement);
050        this.base = base;
051        this.displacement = displacement;
052    }
053
054    public void generate(NodeLIRBuilderTool gen) {
055        SPARCLIRGenerator tool = (SPARCLIRGenerator) gen.getLIRGeneratorTool();
056
057        AllocatableValue baseValue = tool.asAllocatable(gen.operand(base));
058
059        LIRKind kind = tool.getLIRKind(stamp());
060        AllocatableValue baseReference = LIRKind.derivedBaseFromValue(baseValue);
061        if (baseReference != null) {
062            kind = kind.makeDerivedReference(baseReference);
063        }
064
065        gen.setResult(this, new SPARCImmediateAddressValue(kind, baseValue, displacement));
066    }
067
068    public ValueNode getBase() {
069        return base;
070    }
071
072    public void setBase(ValueNode base) {
073        updateUsages(this.base, base);
074        this.base = base;
075    }
076
077    public int getDisplacement() {
078        return displacement;
079    }
080
081    public void setDisplacement(int displacement) {
082        this.displacement = displacement;
083    }
084}