| /* |
| * Copyright (c) 2009, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package jdk.vm.ci.code; |
| |
| import jdk.vm.ci.meta.AllocatableValue; |
| import jdk.vm.ci.meta.ValueKind; |
| |
| /** |
| * Denotes a register that stores a value of a fixed kind. |
| */ |
| public final class RegisterValue extends AllocatableValue { |
| |
| private final Register reg; |
| |
| protected RegisterValue(ValueKind<?> kind, Register register) { |
| super(kind); |
| this.reg = register; |
| } |
| |
| @Override |
| public String toString() { |
| return getRegister().name + getKindSuffix(); |
| } |
| |
| /** |
| * @return the register that contains the value |
| */ |
| public Register getRegister() { |
| return reg; |
| } |
| |
| @Override |
| public int hashCode() { |
| return 29 * super.hashCode() + reg.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj instanceof RegisterValue) { |
| RegisterValue other = (RegisterValue) obj; |
| return super.equals(obj) && reg.equals(other.reg); |
| } |
| return false; |
| } |
| } |