1  /* { dg-do compile } */
       2  /* { dg-options "-O0 -mavx -mvzeroupper -dp" } */
       3  
       4  #include <immintrin.h>
       5  
       6  extern __m256 x, y;
       7  
       8  void
       9  foo ()
      10  {
      11    x = y;
      12    _mm256_zeroall ();
      13  }
      14  
      15  /* { dg-final { scan-assembler-not "avx_vzeroupper" } } */