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Don't redefine __SSE__ and related macros if they're already defined

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This commit is contained in:
Sam Lantinga 2019-04-23 16:57:34 -07:00
parent f5252530d2
commit 53a6196b32
1 changed files with 8 additions and 0 deletions
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8
include/SDL_cpuinfo.h
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@ -41,11 +41,19 @@
#else
#include <intrin.h>
#ifndef _WIN64
#ifndef __MMX__
#define __MMX__
#endif
#ifndef __3dNOW__
#define __3dNOW__
#endif
#endif
#ifndef __SSE__
#define __SSE__
#endif
#ifndef __SSE2__
#define __SSE2__
#endif
#endif /* __clang__ */
#elif defined(__MINGW64_VERSION_MAJOR)
#include <intrin.h>