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 */
23package jdk.vm.ci.aarch64;
24
25import jdk.vm.ci.meta.PlatformKind;
26
27public 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    private final int size;
51    private final int vectorLength;
52
53    private final AArch64Kind scalar;
54    private final EnumKey<AArch64Kind> key = new EnumKey<>(this);
55
56    AArch64Kind(int size) {
57        this.size = size;
58        this.scalar = this;
59        this.vectorLength = 1;
60    }
61
62    AArch64Kind(int size, AArch64Kind scalar) {
63        this.size = size;
64        this.scalar = scalar;
65
66        assert size % scalar.size == 0;
67        this.vectorLength = size / scalar.size;
68    }
69
70    public AArch64Kind getScalar() {
71        return scalar;
72    }
73
74    public int getSizeInBytes() {
75        return size;
76    }
77
78    public int getVectorLength() {
79        return vectorLength;
80    }
81
82    public Key getKey() {
83        return key;
84    }
85
86    public boolean isInteger() {
87        switch (this) {
88            case BYTE:
89            case WORD:
90            case DWORD:
91            case QWORD:
92                return true;
93            default:
94                return false;
95        }
96    }
97
98    public boolean isSIMD() {
99        switch (this) {
100            case SINGLE:
101            case DOUBLE:
102            case V32_BYTE:
103            case V32_WORD:
104            case V64_BYTE:
105            case V64_WORD:
106            case V64_DWORD:
107            case V128_BYTE:
108            case V128_WORD:
109            case V128_DWORD:
110            case V128_QWORD:
111            case V128_SINGLE:
112            case V128_DOUBLE:
113                return true;
114            default:
115                return false;
116        }
117    }
118
119    public char getTypeChar() {
120        switch (this) {
121            case BYTE:
122                return 'b';
123            case WORD:
124                return 'w';
125            case DWORD:
126                return 'd';
127            case QWORD:
128                return 'q';
129            case SINGLE:
130                return 'S';
131            case DOUBLE:
132                return 'D';
133            case V32_BYTE:
134            case V32_WORD:
135            case V64_BYTE:
136            case V64_WORD:
137            case V64_DWORD:
138            case V128_BYTE:
139            case V128_WORD:
140            case V128_DWORD:
141            case V128_QWORD:
142            case V128_SINGLE:
143            case V128_DOUBLE:
144                return 'v';
145            default:
146                return '-';
147        }
148    }
149}
150