1 /* 2 * Copyright (c) 2013, 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 package org.graalvm.compiler.lir.sparc; 24 25 import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG; 26 import static jdk.vm.ci.code.ValueUtil.asRegister; 27 import static jdk.vm.ci.code.ValueUtil.isLegal; 28 29 import java.util.EnumSet; 30 31 import org.graalvm.compiler.asm.sparc.SPARCAddress; 32 import org.graalvm.compiler.lir.CompositeValue; 33 import org.graalvm.compiler.lir.InstructionValueConsumer; 34 import org.graalvm.compiler.lir.InstructionValueProcedure; 35 import org.graalvm.compiler.lir.LIRInstruction; 36 import org.graalvm.compiler.lir.LIRInstruction.OperandFlag; 37 import org.graalvm.compiler.lir.LIRInstruction.OperandMode; 38 39 import jdk.vm.ci.meta.AllocatableValue; 40 import jdk.vm.ci.meta.Value; 41 import jdk.vm.ci.meta.ValueKind; 42 43 public final class SPARCIndexedAddressValue extends SPARCAddressValue { 44 45 @Component({REG}) protected AllocatableValue base; 46 @Component({REG}) protected AllocatableValue index; 47 48 private static final EnumSet<OperandFlag> flags = EnumSet.of(OperandFlag.REG); 49 50 public SPARCIndexedAddressValue(ValueKind<?> kind, AllocatableValue base, AllocatableValue index) { 51 super(kind); 52 this.base = base; 53 this.index = index; 54 } 55 56 @Override 57 public CompositeValue forEachComponent(LIRInstruction inst, OperandMode mode, InstructionValueProcedure proc) { 58 AllocatableValue newBase = (AllocatableValue) proc.doValue(inst, base, mode, flags); 59 AllocatableValue newIndex = (AllocatableValue) proc.doValue(inst, index, mode, flags); 60 if (!base.identityEquals(newBase) || !index.identityEquals(newIndex)) { 61 return new SPARCIndexedAddressValue(getValueKind(), newBase, newIndex); 62 } 63 return this; 64 } 65 66 @Override 67 protected void visitEachComponent(LIRInstruction inst, OperandMode mode, InstructionValueConsumer proc) { 68 proc.visitValue(inst, base, mode, flags); 69 proc.visitValue(inst, index, mode, flags); 70 } 71 72 @Override 73 public SPARCAddress toAddress() { 74 return new SPARCAddress(asRegister(base), asRegister(index)); 75 } 76 77 @Override 78 public boolean isValidImplicitNullCheckFor(Value value, int implicitNullCheckLimit) { 79 return false; 80 } 81 82 @Override 83 public String toString() { 84 StringBuilder s = new StringBuilder("["); 85 String sep = ""; 86 if (isLegal(base)) { 87 s.append(base); 88 sep = " + "; 89 } 90 if (isLegal(index)) { 91 s.append(sep).append(index); 92 } 93 s.append("]"); 94 return s.toString(); 95 } 96 97 @Override 98 public boolean equals(Object obj) { 99 if (obj instanceof SPARCIndexedAddressValue) { 100 SPARCIndexedAddressValue addr = (SPARCIndexedAddressValue) obj; 101 return getValueKind().equals(addr.getValueKind()) && base.equals(addr.base) && index.equals(addr.index); 102 } 103 return false; 104 } 105 106 @Override 107 public int hashCode() { 108 return base.hashCode() ^ index.hashCode() ^ getValueKind().hashCode(); 109 } 110 }