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Made the SIMD code automatically pick which kind of instructions to use when compiled 

in visual studio based on the setting of the /arch compiler option.
This commit is contained in:
Davis King 2013-12-01 17:17:50 -05:00
parent 7e7943cd37
commit 481c85b213
1 changed files with 7 additions and 6 deletions
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13
dlib/simd/simd_check.h
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@ -7,13 +7,14 @@
// figure out which SIMD instructions we can use.
#ifndef DLIB_DO_NOT_USE_SIMD
#ifdef _MSC_VER
#if _MSC_VER >= 1400
#if defined(_MSC_VER) && defined(_M_IX86_FP)
#if _M_IX86_FP >= 2
#define DLIB_HAVE_SSE2
#endif
#if _MSC_VER >= 1500
#define DLIB_HAVE_SSE3
#define DLIB_HAVE_SSE41
#ifdef __AVX__
#define DLIB_HAVE_SSE3
#define DLIB_HAVE_SSE41
#define DLIB_HAVE_AVX
#endif
#endif
#else
#ifdef __SSE2__