int main(int, char *argv[], char *[]) { #if defined(__amd64__) || defined(__i386__) __asm__ __volatile__("movaps (%0), %%xmm0\n" "movaps %%xmm0, (%0)\n" : : "r"(argv) : "memory"); #else #warning "Unimplemented" #endif return 0; }