#if __SSSE3__ == 0
    #error wrong target isa
#endif

#include <stddef.h>

int main(int, char**) {
    size_t const rep = size_t(5e8);

    for (size_t i = 0; i < rep; ++i) {

#if COISSUE
        asm volatile (
            "pshufb %%xmm1,  %%xmm0\n\t"
            "pshufb %%xmm2,  %%xmm0\n\t"
            "pshufb %%xmm3,  %%xmm0\n\t"
            "pshufb %%xmm4,  %%xmm0\n\t"
            "pshufb %%xmm5,  %%xmm0\n\t"
            "pshufb %%xmm6,  %%xmm0\n\t"
            "pshufb %%xmm7,  %%xmm0\n\t"
            "pshufb %%xmm8,  %%xmm0\n\t"
            "pshufb %%xmm9,  %%xmm0\n\t"
            "pshufb %%xmm10, %%xmm0\n\t"
            "pshufb %%xmm11, %%xmm0\n\t"
            "pshufb %%xmm12, %%xmm0\n\t"
            "pshufb %%xmm13, %%xmm0\n\t"
            "pshufb %%xmm14, %%xmm0\n\t"
            "pshufb %%xmm15, %%xmm0\n\t"
            "pshufb %%xmm0,  %%xmm0"
            : : : "memory");

#else
        asm volatile (
            "pshufb %%xmm1,  %%xmm0\n\t"
            "pshufb %%xmm2,  %%xmm0\n\t"
            "pshufb %%xmm3,  %%xmm0\n\t"
            "pshufb %%xmm4,  %%xmm0\n\t"
            "pshufb %%xmm5,  %%xmm0\n\t"
            "pshufb %%xmm6,  %%xmm0\n\t"
            "pshufb %%xmm7,  %%xmm0\n\t"
            "pshufb %%xmm8,  %%xmm0\n\t"
            "pshufb %%xmm9,  %%xmm0\n\t"
            "pshufb %%xmm10, %%xmm0\n\t"
            "pshufb %%xmm11, %%xmm0\n\t"
            "pshufb %%xmm12, %%xmm0\n\t"
            "pshufb %%xmm13, %%xmm0\n\t"
            "pshufb %%xmm14, %%xmm0\n\t"
            "pshufb %%xmm15, %%xmm0\n\t"
            "pshufb %%xmm0,  %%xmm0"
            : : : "memory");

#endif
    }

    return 0;
}