blob: 6ba746ebddbee32fba360042971826ff16bf5a96 (
plain)
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
|
/*
* Copyright (c) Facebook, Inc. and its affiliates.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree.
*/
#pragma once
#define CPUINFO_COUNT_OF(array) (sizeof(array) / sizeof(0[array]))
#if defined(__GNUC__)
#define CPUINFO_LIKELY(condition) (__builtin_expect(!!(condition), 1))
#define CPUINFO_UNLIKELY(condition) (__builtin_expect(!!(condition), 0))
#else
#define CPUINFO_LIKELY(condition) (!!(condition))
#define CPUINFO_UNLIKELY(condition) (!!(condition))
#endif
#ifndef CPUINFO_INTERNAL
#if defined(__ELF__)
#define CPUINFO_INTERNAL __attribute__((__visibility__("internal")))
#elif defined(__MACH__)
#define CPUINFO_INTERNAL __attribute__((__visibility__("hidden")))
#else
#define CPUINFO_INTERNAL
#endif
#endif
#ifndef CPUINFO_PRIVATE
#if defined(__ELF__)
#define CPUINFO_PRIVATE __attribute__((__visibility__("hidden")))
#elif defined(__MACH__)
#define CPUINFO_PRIVATE __attribute__((__visibility__("hidden")))
#else
#define CPUINFO_PRIVATE
#endif
#endif
|