1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSIMD_P_H
#define QSIMD_P_H
#include <qglobal.h>
QT_BEGIN_HEADER
#if defined(QT_NO_MAC_XARCH) || (defined(Q_OS_DARWIN) && (defined(__ppc__) || defined(__ppc64__)))
// Disable MMX and SSE on Mac/PPC builds, or if the compiler
// does not support -Xarch argument passing
#undef QT_HAVE_SSE
#undef QT_HAVE_SSE2
#undef QT_HAVE_SSE3
#undef QT_HAVE_SSSE3
#undef QT_HAVE_SSE4_1
#undef QT_HAVE_SSE4_2
#undef QT_HAVE_AVX
#undef QT_HAVE_3DNOW
#undef QT_HAVE_MMX
#endif
// SSE intrinsics
#if defined(QT_HAVE_SSE2) && (defined(__SSE2__) || defined(Q_CC_MSVC))
#if defined(QT_LINUXBASE)
/// this is an evil hack - the posix_memalign declaration in LSB
/// is wrong - see http://bugs.linuxbase.org/show_bug.cgi?id=2431
# define posix_memalign _lsb_hack_posix_memalign
# include <emmintrin.h>
# undef posix_memalign
#else
# ifdef Q_CC_MINGW
# include <windows.h>
# endif
# include <emmintrin.h>
#endif
// SSE3 intrinsics
#if defined(QT_HAVE_SSE3) && (defined(__SSE3__) || defined(Q_CC_MSVC))
#include <pmmintrin.h>
#endif
// SSSE3 intrinsics
#if defined(QT_HAVE_SSSE3) && (defined(__SSSE3__) || defined(Q_CC_MSVC))
#include <tmmintrin.h>
#endif
// SSE4.1 intrinsics
#if defined(QT_HAVE_SSE4_1) && (defined(__SSE4_1__) || defined(Q_CC_MSVC))
#include <smmintrin.h>
#endif
// SSE4.2 intrinsics
#if defined(QT_HAVE_SSE4_2) && (defined(__SSE4_2__) || defined(Q_CC_MSVC))
#include <nmmintrin.h>
// Add missing intrisics in some compilers (e.g. llvm-gcc)
#ifndef _SIDD_UBYTE_OPS
#define _SIDD_UBYTE_OPS 0x00
#endif
#ifndef _SIDD_UWORD_OPS
#define _SIDD_UWORD_OPS 0x01
#endif
#ifndef _SIDD_SBYTE_OPS
#define _SIDD_SBYTE_OPS 0x02
#endif
#ifndef _SIDD_SWORD_OPS
#define _SIDD_SWORD_OPS 0x03
#endif
#ifndef _SIDD_CMP_EQUAL_ANY
#define _SIDD_CMP_EQUAL_ANY 0x00
#endif
#ifndef _SIDD_CMP_RANGES
#define _SIDD_CMP_RANGES 0x04
#endif
#ifndef _SIDD_CMP_EQUAL_EACH
#define _SIDD_CMP_EQUAL_EACH 0x08
#endif
#ifndef _SIDD_CMP_EQUAL_ORDERED
#define _SIDD_CMP_EQUAL_ORDERED 0x0c
#endif
#ifndef _SIDD_POSITIVE_POLARITY
#define _SIDD_POSITIVE_POLARITY 0x00
#endif
#ifndef _SIDD_NEGATIVE_POLARITY
#define _SIDD_NEGATIVE_POLARITY 0x10
#endif
#ifndef _SIDD_MASKED_POSITIVE_POLARITY
#define _SIDD_MASKED_POSITIVE_POLARITY 0x20
#endif
#ifndef _SIDD_MASKED_NEGATIVE_POLARITY
#define _SIDD_MASKED_NEGATIVE_POLARITY 0x30
#endif
#ifndef _SIDD_LEAST_SIGNIFICANT
#define _SIDD_LEAST_SIGNIFICANT 0x00
#endif
#ifndef _SIDD_MOST_SIGNIFICANT
#define _SIDD_MOST_SIGNIFICANT 0x40
#endif
#ifndef _SIDD_BIT_MASK
#define _SIDD_BIT_MASK 0x00
#endif
#ifndef _SIDD_UNIT_MASK
#define _SIDD_UNIT_MASK 0x40
#endif
#endif
// AVX intrinsics
#if defined(QT_HAVE_AVX) && (defined(__AVX__) || defined(Q_CC_MSVC))
#include <immintrin.h>
#endif
#if !defined(QT_BOOTSTRAPPED) && (!defined(Q_CC_MSVC) || (defined(_M_X64) || _M_IX86_FP == 2))
#define QT_ALWAYS_HAVE_SSE2
#endif
#endif // defined(QT_HAVE_SSE2) && (defined(__SSE2__) || defined(Q_CC_MSVC))
// NEON intrinsics
#if defined __ARM_NEON__
#define QT_ALWAYS_HAVE_NEON
#include <arm_neon.h>
#endif
// IWMMXT intrinsics
#if defined(QT_HAVE_IWMMXT)
#include <mmintrin.h>
#if defined(Q_OS_WINCE)
# include "qplatformdefs.h"
#endif
#endif
#if defined(QT_HAVE_IWMMXT)
#if !defined(__IWMMXT__) && !defined(Q_OS_WINCE)
# include <xmmintrin.h>
#elif defined(Q_OS_WINCE_STD) && defined(_X86_)
# pragma warning(disable: 4391)
# include <xmmintrin.h>
#endif
#endif
// 3D now intrinsics
#if defined(QT_HAVE_3DNOW) && (defined(__3dNOW__) || defined(Q_CC_MSVC))
#include <mm3dnow.h>
#endif
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
enum CPUFeatures {
None = 0,
MMX = 0x1,
MMXEXT = 0x2,
MMX3DNOW = 0x4,
MMX3DNOWEXT = 0x8,
SSE = 0x10,
SSE2 = 0x20,
CMOV = 0x40,
IWMMXT = 0x80,
NEON = 0x100,
SSE3 = 0x200,
SSSE3 = 0x400,
SSE4_1 = 0x800,
SSE4_2 = 0x1000,
AVX = 0x2000
};
Q_CORE_EXPORT uint qDetectCPUFeatures();
#define ALIGNMENT_PROLOGUE_16BYTES(ptr, i, length) \
for (; i < static_cast<int>(qMin(static_cast<quintptr>(length), ((4 - ((reinterpret_cast<quintptr>(ptr) >> 2) & 0x3)) & 0x3))); ++i)
QT_END_NAMESPACE
QT_END_HEADER
#endif // QSIMD_P_H
|