GNU Radio's DVBS2RX Package
cpu_features_macros.h
Go to the documentation of this file.
1
// Copyright 2017 Google LLC
2
//
3
// Licensed under the Apache License, Version 2.0 (the "License");
4
// you may not use this file except in compliance with the License.
5
// You may obtain a copy of the License at
6
//
7
// http://www.apache.org/licenses/LICENSE-2.0
8
//
9
// Unless required by applicable law or agreed to in writing, software
10
// distributed under the License is distributed on an "AS IS" BASIS,
11
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12
// See the License for the specific language governing permissions and
13
// limitations under the License.
14
15
#ifndef CPU_FEATURES_INCLUDE_CPU_FEATURES_MACROS_H_
16
#define CPU_FEATURES_INCLUDE_CPU_FEATURES_MACROS_H_
17
18
////////////////////////////////////////////////////////////////////////////////
19
// Architectures
20
////////////////////////////////////////////////////////////////////////////////
21
22
#if defined(__pnacl__) || defined(__CLR_VER)
23
#define CPU_FEATURES_ARCH_VM
24
#endif
25
26
#if (defined(_M_IX86) || defined(__i386__)) && !defined(CPU_FEATURES_ARCH_VM)
27
#define CPU_FEATURES_ARCH_X86_32
28
#endif
29
30
#if (defined(_M_X64) || defined(__x86_64__)) && !defined(CPU_FEATURES_ARCH_VM)
31
#define CPU_FEATURES_ARCH_X86_64
32
#endif
33
34
#if defined(CPU_FEATURES_ARCH_X86_32) || defined(CPU_FEATURES_ARCH_X86_64)
35
#define CPU_FEATURES_ARCH_X86
36
#endif
37
38
#if (defined(__arm__) || defined(_M_ARM))
39
#define CPU_FEATURES_ARCH_ARM
40
#endif
41
42
#if defined(__aarch64__)
43
#define CPU_FEATURES_ARCH_AARCH64
44
#endif
45
46
#if (defined(CPU_FEATURES_ARCH_AARCH64) || defined(CPU_FEATURES_ARCH_ARM))
47
#define CPU_FEATURES_ARCH_ANY_ARM
48
#endif
49
50
#if defined(__mips64)
51
#define CPU_FEATURES_ARCH_MIPS64
52
#endif
53
54
#if defined(__mips__) && !defined(__mips64)
// mips64 also declares __mips__
55
#define CPU_FEATURES_ARCH_MIPS32
56
#endif
57
58
#if defined(CPU_FEATURES_ARCH_MIPS32) || defined(CPU_FEATURES_ARCH_MIPS64)
59
#define CPU_FEATURES_ARCH_MIPS
60
#endif
61
62
#if defined(__powerpc__)
63
#define CPU_FEATURES_ARCH_PPC
64
#endif
65
66
////////////////////////////////////////////////////////////////////////////////
67
// Os
68
////////////////////////////////////////////////////////////////////////////////
69
70
#if (defined(__freebsd__) || defined(__FreeBSD__))
71
#define CPU_FEATURES_OS_FREEBSD
72
#endif
73
74
#if defined(__ANDROID__)
75
#define CPU_FEATURES_OS_ANDROID
76
#endif
77
78
#if defined(__linux__) && !defined(CPU_FEATURES_OS_FREEBSD) && \
79
!defined(CPU_FEATURES_OS_ANDROID)
80
#define CPU_FEATURES_OS_LINUX
81
#endif
82
83
#if (defined(_WIN64) || defined(_WIN32))
84
#define CPU_FEATURES_OS_WINDOWS
85
#endif
86
87
#if (defined(__apple__) || defined(__APPLE__) || defined(__MACH__))
88
// From https://stackoverflow.com/a/49560690
89
#include "TargetConditionals.h"
90
#if defined(TARGET_OS_OSX)
91
#define CPU_FEATURES_OS_MACOS
92
#endif
93
#if defined(TARGET_OS_IPHONE)
94
// This is set for any non-Mac Apple products (IOS, TV, WATCH)
95
#define CPU_FEATURES_OS_IPHONE
96
#endif
97
#endif
98
99
////////////////////////////////////////////////////////////////////////////////
100
// Compilers
101
////////////////////////////////////////////////////////////////////////////////
102
103
#if defined(__clang__)
104
#define CPU_FEATURES_COMPILER_CLANG
105
#endif
106
107
#if defined(__GNUC__) && !defined(__clang__)
108
#define CPU_FEATURES_COMPILER_GCC
109
#endif
110
111
#if defined(_MSC_VER)
112
#define CPU_FEATURES_COMPILER_MSC
113
#endif
114
115
////////////////////////////////////////////////////////////////////////////////
116
// Cpp
117
////////////////////////////////////////////////////////////////////////////////
118
119
#if defined(__cplusplus)
120
#define CPU_FEATURES_START_CPP_NAMESPACE \
121
namespace cpu_features { \
122
extern "C" {
123
#define CPU_FEATURES_END_CPP_NAMESPACE \
124
} \
125
}
126
#else
127
#define CPU_FEATURES_START_CPP_NAMESPACE
128
#define CPU_FEATURES_END_CPP_NAMESPACE
129
#endif
130
131
////////////////////////////////////////////////////////////////////////////////
132
// Compiler flags
133
////////////////////////////////////////////////////////////////////////////////
134
135
// Use the following to check if a feature is known to be available at
136
// compile time. See README.md for an example.
137
#if defined(CPU_FEATURES_ARCH_X86)
138
139
#if defined(__AES__)
140
#define CPU_FEATURES_COMPILED_X86_AES 1
141
#else
142
#define CPU_FEATURES_COMPILED_X86_AES 0
143
#endif
// defined(__AES__)
144
145
#if defined(__F16C__)
146
#define CPU_FEATURES_COMPILED_X86_F16C 1
147
#else
148
#define CPU_FEATURES_COMPILED_X86_F16C 0
149
#endif
// defined(__F16C__)
150
151
#if defined(__BMI__)
152
#define CPU_FEATURES_COMPILED_X86_BMI 1
153
#else
154
#define CPU_FEATURES_COMPILED_X86_BMI 0
155
#endif
// defined(__BMI__)
156
157
#if defined(__BMI2__)
158
#define CPU_FEATURES_COMPILED_X86_BMI2 1
159
#else
160
#define CPU_FEATURES_COMPILED_X86_BMI2 0
161
#endif
// defined(__BMI2__)
162
163
#if (defined(__SSE__) || (_M_IX86_FP >= 1))
164
#define CPU_FEATURES_COMPILED_X86_SSE 1
165
#else
166
#define CPU_FEATURES_COMPILED_X86_SSE 0
167
#endif
168
169
#if (defined(__SSE2__) || (_M_IX86_FP >= 2))
170
#define CPU_FEATURES_COMPILED_X86_SSE2 1
171
#else
172
#define CPU_FEATURES_COMPILED_X86_SSE2 0
173
#endif
174
175
#if defined(__SSE3__)
176
#define CPU_FEATURES_COMPILED_X86_SSE3 1
177
#else
178
#define CPU_FEATURES_COMPILED_X86_SSE3 0
179
#endif
// defined(__SSE3__)
180
181
#if defined(__SSSE3__)
182
#define CPU_FEATURES_COMPILED_X86_SSSE3 1
183
#else
184
#define CPU_FEATURES_COMPILED_X86_SSSE3 0
185
#endif
// defined(__SSSE3__)
186
187
#if defined(__SSE4_1__)
188
#define CPU_FEATURES_COMPILED_X86_SSE4_1 1
189
#else
190
#define CPU_FEATURES_COMPILED_X86_SSE4_1 0
191
#endif
// defined(__SSE4_1__)
192
193
#if defined(__SSE4_2__)
194
#define CPU_FEATURES_COMPILED_X86_SSE4_2 1
195
#else
196
#define CPU_FEATURES_COMPILED_X86_SSE4_2 0
197
#endif
// defined(__SSE4_2__)
198
199
#if defined(__AVX__)
200
#define CPU_FEATURES_COMPILED_X86_AVX 1
201
#else
202
#define CPU_FEATURES_COMPILED_X86_AVX 0
203
#endif
// defined(__AVX__)
204
205
#if defined(__AVX2__)
206
#define CPU_FEATURES_COMPILED_X86_AVX2 1
207
#else
208
#define CPU_FEATURES_COMPILED_X86_AVX2 0
209
#endif
// defined(__AVX2__)
210
211
#endif
// defined(CPU_FEATURES_ARCH_X86)
212
213
#if defined(CPU_FEATURES_ARCH_ANY_ARM)
214
#if defined(__ARM_NEON__)
215
#define CPU_FEATURES_COMPILED_ANY_ARM_NEON 1
216
#else
217
#define CPU_FEATURES_COMPILED_ANY_ARM_NEON 0
218
#endif
// defined(__ARM_NEON__)
219
#endif
// defined(CPU_FEATURES_ARCH_ANY_ARM)
220
221
#if defined(CPU_FEATURES_ARCH_MIPS)
222
#if defined(__mips_msa)
223
#define CPU_FEATURES_COMPILED_MIPS_MSA 1
224
#else
225
#define CPU_FEATURES_COMPILED_MIPS_MSA 0
226
#endif
// defined(__mips_msa)
227
#endif
// defined(CPU_FEATURES_ARCH_MIPS)
228
229
////////////////////////////////////////////////////////////////////////////////
230
// Utils
231
////////////////////////////////////////////////////////////////////////////////
232
233
// Communicates to the compiler that the block is unreachable
234
#if defined(CPU_FEATURES_COMPILER_CLANG) || defined(CPU_FEATURES_COMPILER_GCC)
235
#define UNREACHABLE() __builtin_unreachable()
236
#elif defined(CPU_FEATURES_COMPILER_MSC)
237
#define UNREACHABLE() __assume(0)
238
#else
239
#define UNREACHABLE()
240
#endif
241
242
#endif
// CPU_FEATURES_INCLUDE_CPU_FEATURES_MACROS_H_
cpu_features
include
cpu_features_macros.h
Generated by
1.10.0