1 /*
   2  * Copyright (c) 2017, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 import jdk.incubator.mvt.ValueCapableClass;
  27 
  28 import java.lang.invoke.MethodHandle;
  29 import java.lang.invoke.MethodHandles;
  30 import java.util.Objects;
  31 
  32 @ValueCapableClass
  33 //@jvm.internal.Vector
  34 public final class Long2 {
  35     public static final int SIZE = Long.SIZE << 1;
  36 
  37     public static final int BYTES = SIZE / Byte.SIZE;
  38 
  39     public final long lo, hi; // FIXME: endianness
  40 
  41     private static final Class<?> THIS_CLASS = Long2.class;
  42 
  43     public static final MethodHandle FACTORY = VectorUtils.valueFactory(THIS_CLASS, MethodHandles.lookup());
  44 
  45     public Long2(long lo, long hi) {
  46         this.lo = lo;
  47         this.hi = hi;
  48     }
  49 
  50     @Override
  51     public boolean equals(Object o) {
  52         if (o instanceof Long2) {
  53             Long2 v = (Long2)o;
  54             return (this.lo == v.lo) && (this.hi == v.hi);
  55         }
  56         return false;
  57     }
  58 
  59     @Override
  60     public int hashCode() {
  61         return Objects.hash(lo, hi);
  62     }
  63 
  64     @Override
  65     public String toString() {
  66         return String.format("Long2 {128: 0x%08x | 0x%08x | 0x%08x | 0x%08x :0}",
  67                 hi >>> 32, hi & 0xFFFFFFFFL,
  68                 lo >>> 32, lo & 0xFFFFFFFFL);
  69     }
  70 }
  71