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SDL_MMX_INTRINSICS

Defined if (and only if) the compiler supports Intel MMX intrinsics.

#include <SDL3/SDL_intrin.h>
#define SDL_MMX_INTRINSICS 1

If this macro is defined, SDL will have already included <mmintrin.h>

This macro is available since SDL 3.2.0.

SDL_SSE_INTRINSICS(3)