001/*
002 * Copyright (c) 2014, 2014, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.compiler.common.calc;
024
025import jdk.internal.jvmci.common.*;
026
027public enum FloatConvert {
028    F2I,
029    D2I,
030    F2L,
031    D2L,
032    I2F,
033    L2F,
034    D2F,
035    I2D,
036    L2D,
037    F2D;
038
039    public FloatConvert reverse() {
040        switch (this) {
041            case D2F:
042                return F2D;
043            case D2I:
044                return I2D;
045            case D2L:
046                return L2D;
047            case F2D:
048                return D2F;
049            case F2I:
050                return I2F;
051            case F2L:
052                return L2F;
053            case I2D:
054                return D2I;
055            case I2F:
056                return F2I;
057            case L2D:
058                return D2L;
059            case L2F:
060                return F2L;
061            default:
062                throw JVMCIError.shouldNotReachHere();
063        }
064    }
065}