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.asm.sparc.SPARCAssembler; 29 import org.graalvm.compiler.core.common.LIRKind; 30 import org.graalvm.compiler.graph.NodeClass; 31 import org.graalvm.compiler.lir.sparc.SPARCImmediateAddressValue; 32 import org.graalvm.compiler.nodeinfo.NodeInfo; 33 import org.graalvm.compiler.nodes.NodeView; 34 import org.graalvm.compiler.nodes.ValueNode; 35 import org.graalvm.compiler.nodes.memory.address.AddressNode; 36 import org.graalvm.compiler.nodes.spi.LIRLowerable; 37 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; 38 39 import jdk.vm.ci.meta.AllocatableValue; 40 41 /** 42 * Represents an address of the form [base + simm13]. 43 */ 44 @NodeInfo 45 public class SPARCImmediateAddressNode extends AddressNode implements LIRLowerable { 46 47 public static final NodeClass<SPARCImmediateAddressNode> TYPE = NodeClass.create(SPARCImmediateAddressNode.class); 48 49 @Input private ValueNode base; 50 private int displacement; 51 52 public SPARCImmediateAddressNode(ValueNode base, int displacement) { 53 super(TYPE); 54 assert SPARCAssembler.isSimm13(displacement); 55 this.base = base; 56 this.displacement = displacement; 57 } 58 59 @Override 60 public void generate(NodeLIRBuilderTool gen) { 61 SPARCLIRGenerator tool = (SPARCLIRGenerator) gen.getLIRGeneratorTool(); 62 63 AllocatableValue baseValue = tool.asAllocatable(gen.operand(base)); 64 65 LIRKind kind = tool.getLIRKind(stamp(NodeView.DEFAULT)); 66 AllocatableValue baseReference = LIRKind.derivedBaseFromValue(baseValue); 67 if (baseReference != null) { 68 kind = kind.makeDerivedReference(baseReference); 69 } 70 71 gen.setResult(this, new SPARCImmediateAddressValue(kind, baseValue, displacement)); 72 } 73 74 @Override 75 public ValueNode getBase() { 76 return base; 77 } 78 79 @Override 80 public long getMaxConstantDisplacement() { 81 return displacement; 82 } 83 84 @Override 85 public ValueNode getIndex() { 86 return null; 87 } 88 }