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/* PR rtl-optimization/17853 */

/* Contributed by Stuart Hastings <stuart@apple.com> */

/* { dg-do compile } */

/* { dg-options "-O2 -mmmx" } */

#include <mmintrin.h>

#include <stdlib.h>

__m64 global_mask;

int main()

{

    __m64 zero = _mm_setzero_si64();

    __m64 mask = _mm_cmpeq_pi8( zero, zero );

    mask = _mm_unpacklo_pi8( mask, zero );

    global_mask = mask;

    return 0;

}