#include #if defined(__GNUC__) && __GNUC__ < 4 && __GNUC_MINOR__ < 3 #error GCC < 3.2 is known to create internal compiler errors with our MMX code #endif int main(int, char**) { __m128i a = _mm_setzero_si128(); _mm_maskmoveu_si128(a, _mm_setzero_si128(), 0); return 0; }