1 /* 2 * Copyright (c) 2013, 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 package org.graalvm.compiler.lir.sparc; 26 27 import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG; 28 import static jdk.vm.ci.code.ValueUtil.asRegister; 29 import static jdk.vm.ci.code.ValueUtil.isLegal; 30 31 import java.util.EnumSet; 32 33 import org.graalvm.compiler.asm.sparc.SPARCAddress; 34 import org.graalvm.compiler.lir.CompositeValue; 35 import org.graalvm.compiler.lir.InstructionValueConsumer; 36 import org.graalvm.compiler.lir.InstructionValueProcedure; 37 import org.graalvm.compiler.lir.LIRInstruction; 38 import org.graalvm.compiler.lir.LIRInstruction.OperandFlag; 39 import org.graalvm.compiler.lir.LIRInstruction.OperandMode; 40 41 import jdk.vm.ci.meta.AllocatableValue; 42 import jdk.vm.ci.meta.Value; 43 import jdk.vm.ci.meta.ValueKind; 44 45 public final class SPARCIndexedAddressValue extends SPARCAddressValue { 46 47 @Component({REG}) protected AllocatableValue base; 48 @Component({REG}) protected AllocatableValue index; 49 50 private static final EnumSet<OperandFlag> flags = EnumSet.of(OperandFlag.REG); 51 52 public SPARCIndexedAddressValue(ValueKind<?> kind, AllocatableValue base, AllocatableValue index) { 53 super(kind); 54 this.base = base; 55 this.index = index; 56 } 57 58 @Override 59 public CompositeValue forEachComponent(LIRInstruction inst, OperandMode mode, InstructionValueProcedure proc) { 60 AllocatableValue newBase = (AllocatableValue) proc.doValue(inst, base, mode, flags); 61 AllocatableValue newIndex = (AllocatableValue) proc.doValue(inst, index, mode, flags); 62 if (!base.identityEquals(newBase) || !index.identityEquals(newIndex)) { 63 return new SPARCIndexedAddressValue(getValueKind(), newBase, newIndex); 64 } 65 return this; 66 } 67 68 @Override 69 protected void visitEachComponent(LIRInstruction inst, OperandMode mode, InstructionValueConsumer proc) { 70 proc.visitValue(inst, base, mode, flags); 71 proc.visitValue(inst, index, mode, flags); 72 } 73 74 @Override 75 public SPARCAddress toAddress() { 76 return new SPARCAddress(asRegister(base), asRegister(index)); 77 } 78 79 @Override 80 public boolean isValidImplicitNullCheckFor(Value value, int implicitNullCheckLimit) { 81 return false; 82 } 83 84 @Override 85 public String toString() { 86 StringBuilder s = new StringBuilder("["); 87 String sep = ""; 88 if (isLegal(base)) { 89 s.append(base); 90 sep = " + "; 91 } 92 if (isLegal(index)) { 93 s.append(sep).append(index); 94 } 95 s.append("]"); 96 return s.toString(); 97 } 98 99 @Override 100 public boolean equals(Object obj) { 101 if (obj instanceof SPARCIndexedAddressValue) { 102 SPARCIndexedAddressValue addr = (SPARCIndexedAddressValue) obj; 103 return getValueKind().equals(addr.getValueKind()) && base.equals(addr.base) && index.equals(addr.index); 104 } 105 return false; 106 } 107 108 @Override 109 public int hashCode() { 110 return base.hashCode() ^ index.hashCode() ^ getValueKind().hashCode(); 111 } 112 }