1 /*
   2  * Copyright (c) 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 jdk.vm.ci.aarch64;
  24 
  25 import jdk.vm.ci.meta.PlatformKind;
  26 
  27 public enum AArch64Kind implements PlatformKind {
  28 
  29     // scalar
  30     BYTE(1),
  31     WORD(2),
  32     DWORD(4),
  33     QWORD(8),
  34     SINGLE(4),
  35     DOUBLE(8),
  36 
  37     // SIMD
  38     V32_BYTE(4, BYTE),
  39     V32_WORD(4, WORD),
  40     V64_BYTE(8, BYTE),
  41     V64_WORD(8, WORD),
  42     V64_DWORD(8, DWORD),
  43     V128_BYTE(16, BYTE),
  44     V128_WORD(16, WORD),
  45     V128_DWORD(16, DWORD),
  46     V128_QWORD(16, QWORD),
  47     V128_SINGLE(16, SINGLE),
  48     V128_DOUBLE(16, DOUBLE),
  49 
  50     MASK8(1),
  51     MASK16(2),
  52     MASK32(4),
  53     MASK64(8);
  54 
  55     private final int size;
  56     private final int vectorLength;
  57 
  58     private final AArch64Kind scalar;
  59     private final EnumKey<AArch64Kind> key = new EnumKey<>(this);
  60 
  61     AArch64Kind(int size) {
  62         this.size = size;
  63         this.scalar = this;
  64         this.vectorLength = 1;
  65     }
  66 
  67     AArch64Kind(int size, AArch64Kind scalar) {
  68         this.size = size;
  69         this.scalar = scalar;
  70 
  71         assert size % scalar.size == 0;
  72         this.vectorLength = size / scalar.size;
  73     }
  74 
  75     public AArch64Kind getScalar() {
  76         return scalar;
  77     }
  78 
  79     public int getSizeInBytes() {
  80         return size;
  81     }
  82 
  83     public int getVectorLength() {
  84         return vectorLength;
  85     }
  86 
  87     public Key getKey() {
  88         return key;
  89     }
  90 
  91     public boolean isInteger() {
  92         switch (this) {
  93             case BYTE:
  94             case WORD:
  95             case DWORD:
  96             case QWORD:
  97                 return true;
  98             default:
  99                 return false;
 100         }
 101     }
 102 
 103     public boolean isSIMD() {
 104         switch (this) {
 105             case SINGLE:
 106             case DOUBLE:
 107             case V32_BYTE:
 108             case V32_WORD:
 109             case V64_BYTE:
 110             case V64_WORD:
 111             case V64_DWORD:
 112             case V128_BYTE:
 113             case V128_WORD:
 114             case V128_DWORD:
 115             case V128_QWORD:
 116             case V128_SINGLE:
 117             case V128_DOUBLE:
 118                 return true;
 119             default:
 120                 return false;
 121         }
 122     }
 123 
 124     public boolean isMask() {
 125         switch (this) {
 126             case MASK8:
 127             case MASK16:
 128             case MASK32:
 129             case MASK64:
 130                 return true;
 131             default:
 132                 return false;
 133         }
 134     }
 135 
 136     public char getTypeChar() {
 137         switch (this) {
 138             case BYTE:
 139                 return 'b';
 140             case WORD:
 141                 return 'w';
 142             case DWORD:
 143                 return 'd';
 144             case QWORD:
 145                 return 'q';
 146             case SINGLE:
 147                 return 'S';
 148             case DOUBLE:
 149                 return 'D';
 150             case V32_BYTE:
 151             case V32_WORD:
 152             case V64_BYTE:
 153             case V64_WORD:
 154             case V64_DWORD:
 155             case V128_BYTE:
 156             case V128_WORD:
 157             case V128_DWORD:
 158             case V128_QWORD:
 159             case V128_SINGLE:
 160             case V128_DOUBLE:
 161                 return 'v';
 162             case MASK8:
 163             case MASK16:
 164             case MASK32:
 165             case MASK64:
 166                 return 'k';
 167             default:
 168                 return '-';
 169         }
 170     }
 171 }