1 /*
   2  * Copyright (c) 2015, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package org.graalvm.compiler.core.sparc;
  25 
  26 import org.graalvm.compiler.core.common.LIRKind;
  27 import org.graalvm.compiler.graph.NodeClass;
  28 import org.graalvm.compiler.lir.sparc.SPARCIndexedAddressValue;
  29 import org.graalvm.compiler.nodeinfo.NodeInfo;
  30 import org.graalvm.compiler.nodes.ValueNode;
  31 import org.graalvm.compiler.nodes.memory.address.AddressNode;
  32 import org.graalvm.compiler.nodes.spi.LIRLowerable;
  33 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
  34 
  35 import jdk.vm.ci.meta.AllocatableValue;
  36 
  37 /**
  38  * Represents an address of the form [base + index].
  39  */
  40 @NodeInfo
  41 public class SPARCIndexedAddressNode extends AddressNode implements LIRLowerable {
  42 
  43     public static final NodeClass<SPARCIndexedAddressNode> TYPE = NodeClass.create(SPARCIndexedAddressNode.class);
  44 
  45     @Input private ValueNode base;
  46     @Input private ValueNode index;
  47 
  48     public SPARCIndexedAddressNode(ValueNode base, ValueNode index) {
  49         super(TYPE);
  50         this.base = base;
  51         this.index = index;
  52     }
  53 
  54     @Override
  55     public void generate(NodeLIRBuilderTool gen) {
  56         SPARCLIRGenerator tool = (SPARCLIRGenerator) gen.getLIRGeneratorTool();
  57 
  58         AllocatableValue baseValue = tool.asAllocatable(gen.operand(base));
  59         AllocatableValue indexValue = tool.asAllocatable(gen.operand(index));
  60 
  61         AllocatableValue baseReference = LIRKind.derivedBaseFromValue(baseValue);
  62         AllocatableValue indexReference = LIRKind.derivedBaseFromValue(indexValue);
  63 
  64         LIRKind kind = LIRKind.combineDerived(tool.getLIRKind(stamp()), baseReference, indexReference);
  65         gen.setResult(this, new SPARCIndexedAddressValue(kind, baseValue, indexValue));
  66     }
  67 
  68     public ValueNode getBase() {
  69         return base;
  70     }
  71 
  72     public void setBase(ValueNode base) {
  73         updateUsages(this.base, base);
  74         this.base = base;
  75     }
  76 
  77     public ValueNode getIndex() {
  78         return index;
  79     }
  80 
  81     public void setIndex(ValueNode index) {
  82         updateUsages(this.index, index);
  83         this.index = index;
  84     }
  85 }