#elif defined(USE_SSE2)
#include <emmintrin.h>
+#elif defined(USE_MMX)
+#include <mmintrin.h>
+
#elif defined(USE_NEON)
#include <arm_neon.h>
#endif
#elif defined(USE_SSE2)
constexpr std::size_t kSimdWidth = 16;
+ #elif defined(USE_MMX)
+ constexpr std::size_t kSimdWidth = 8;
+
#elif defined(USE_NEON)
constexpr std::size_t kSimdWidth = 16;
#endif