Only include Intel intrinsics header on x86 and x64
diff --git a/include/SDL_cpuinfo.h b/include/SDL_cpuinfo.h
index 19a88de..1fde4e6 100644
--- a/include/SDL_cpuinfo.h
+++ b/include/SDL_cpuinfo.h
@@ -59,8 +59,10 @@
#ifdef __3dNOW__
#include <mm3dnow.h>
#endif
+#if defined(__i386__) || defined(__x86_64__)
#include <immintrin.h>
#endif
+#endif
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */