/usr/include/dlib/simd/simd_check.h is in libdlib-dev 18.18-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | // Copyright (C) 2013 Davis E. King (davis@dlib.net)
// License: Boost Software License See LICENSE.txt for the full license.
#ifndef DLIB_SIMd_CHECK_Hh_
#define DLIB_SIMd_CHECK_Hh_
//#define DLIB_DO_NOT_USE_SIMD
// figure out which SIMD instructions we can use.
#ifndef DLIB_DO_NOT_USE_SIMD
#if defined(_MSC_VER)
#ifdef __AVX__
#ifndef DLIB_HAVE_SSE2
#define DLIB_HAVE_SSE2
#endif
#ifndef DLIB_HAVE_SSE3
#define DLIB_HAVE_SSE3
#endif
#ifndef DLIB_HAVE_SSE41
#define DLIB_HAVE_SSE41
#endif
#ifndef DLIB_HAVE_AVX
#define DLIB_HAVE_AVX
#endif
#endif
#if defined(_M_IX86_FP) && _M_IX86_FP >= 2 && !defined(DLIB_HAVE_SSE2)
#define DLIB_HAVE_SSE2
#endif
#else
#ifdef __SSE2__
#ifndef DLIB_HAVE_SSE2
#define DLIB_HAVE_SSE2
#endif
#endif
#ifdef __SSSE3__
#ifndef DLIB_HAVE_SSE3
#define DLIB_HAVE_SSE3
#endif
#endif
#ifdef __SSE4_1__
#ifndef DLIB_HAVE_SSE41
#define DLIB_HAVE_SSE41
#endif
#endif
#ifdef __AVX__
#ifndef DLIB_HAVE_AVX
#define DLIB_HAVE_AVX
#endif
#endif
#ifdef __AVX2__
#ifndef DLIB_HAVE_AVX2
#define DLIB_HAVE_AVX2
#endif
#endif
#endif
#endif
// ----------------------------------------------------------------------------------------
#ifdef DLIB_HAVE_SSE2
#include <xmmintrin.h>
#include <emmintrin.h>
#include <mmintrin.h>
#endif
#ifdef DLIB_HAVE_SSE3
#include <pmmintrin.h> // SSE3
#include <tmmintrin.h>
#endif
#ifdef DLIB_HAVE_SSE41
#include <smmintrin.h> // SSE4
#endif
#ifdef DLIB_HAVE_AVX
#include <immintrin.h> // AVX
#endif
#ifdef DLIB_HAVE_AVX2
#include <avx2intrin.h>
#endif
#endif // DLIB_SIMd_CHECK_Hh_
|