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
  23  * questions.
  24  */
  25 
  26 package jdk.incubator.vector;
  27 
  28 import jdk.internal.misc.Unsafe;
  29 
  30 final public class Shapes {
  31 
  32     // @@@ Move into Vector.Shape
  33 
  34     public static final S64Bit S_64_BIT = new S64Bit();
  35 
  36     public static final class S64Bit extends Vector.Shape {
  37         @Override
  38         public int bitSize() {
  39             return 64;
  40         }
  41     }
  42 
  43     public static final S128Bit S_128_BIT = new S128Bit();
  44 
  45     public static final class S128Bit extends Vector.Shape {
  46         @Override
  47         public int bitSize() {
  48             return 128;
  49         }
  50     }
  51 
  52     public static final S256Bit S_256_BIT = new S256Bit();
  53 
  54     public static final class S256Bit extends Vector.Shape {
  55         @Override
  56         public int bitSize() {
  57             return 256;
  58         }
  59     }
  60 
  61     public static final S512Bit S_512_BIT = new S512Bit();
  62 
  63     public static final class S512Bit extends Vector.Shape {
  64         @Override
  65         public int bitSize() {
  66             return 512;
  67         }
  68     }
  69 
  70     public static final SScalableBit S_Scalable_BIT = new SScalableBit();
  71     public static final class SScalableBit extends Vector.Shape {
  72         @Override
  73         public int bitSize() {
  74             Unsafe u = Unsafe.getUnsafe();
  75             return u.getMaxVectorSize(byte.class) * 8;
  76         }
  77     }
  78 }