1 /* 2 * Copyright (c) 2015, 2018, 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 25 26 package org.graalvm.compiler.core.sparc; 27 28 import org.graalvm.compiler.core.common.LIRKind; 29 import org.graalvm.compiler.graph.NodeClass; 30 import org.graalvm.compiler.lir.sparc.SPARCIndexedAddressValue; 31 import org.graalvm.compiler.nodeinfo.NodeInfo; 32 import org.graalvm.compiler.nodes.NodeView; 33 import org.graalvm.compiler.nodes.ValueNode; 34 import org.graalvm.compiler.nodes.memory.address.AddressNode; 35 import org.graalvm.compiler.nodes.spi.LIRLowerable; 36 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; 37 38 import jdk.vm.ci.meta.AllocatableValue; 39 40 /** 41 * Represents an address of the form [base + index]. 42 */ 43 @NodeInfo 44 public class SPARCIndexedAddressNode extends AddressNode implements LIRLowerable { 45 46 public static final NodeClass<SPARCIndexedAddressNode> TYPE = NodeClass.create(SPARCIndexedAddressNode.class); 47 48 @Input private ValueNode base; 49 @Input private ValueNode index; 50 51 public SPARCIndexedAddressNode(ValueNode base, ValueNode index) { 52 super(TYPE); 53 this.base = base; 54 this.index = index; 55 } 56 57 @Override 58 public void generate(NodeLIRBuilderTool gen) { 59 SPARCLIRGenerator tool = (SPARCLIRGenerator) gen.getLIRGeneratorTool(); 60 61 AllocatableValue baseValue = tool.asAllocatable(gen.operand(base)); 62 AllocatableValue indexValue = tool.asAllocatable(gen.operand(index)); 63 64 AllocatableValue baseReference = LIRKind.derivedBaseFromValue(baseValue); 65 AllocatableValue indexReference = LIRKind.derivedBaseFromValue(indexValue); 66 67 LIRKind kind = LIRKind.combineDerived(tool.getLIRKind(stamp(NodeView.DEFAULT)), baseReference, indexReference); 68 gen.setResult(this, new SPARCIndexedAddressValue(kind, baseValue, indexValue)); 69 } 70 71 @Override 72 public ValueNode getBase() { 73 return base; 74 } 75 76 public void setBase(ValueNode base) { 77 updateUsages(this.base, base); 78 this.base = base; 79 } 80 81 @Override 82 public ValueNode getIndex() { 83 return index; 84 } 85 86 public void setIndex(ValueNode index) { 87 updateUsages(this.index, index); 88 this.index = index; 89 } 90 91 @Override 92 public long getMaxConstantDisplacement() { 93 return Long.MAX_VALUE; 94 } 95 }