1  /* { dg-do compile } */
       2  /* { dg-options "-mavx512f -O2" } */
       3  /* { dg-final { scan-assembler-times "vshuff64x2\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+(?:\n|\[ \\t\]+#)"  1 } } */
       4  /* { dg-final { scan-assembler-times "vshuff64x2\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
       5  /* { dg-final { scan-assembler-times "vshuff64x2\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
       6  
       7  #include <immintrin.h>
       8  
       9  __m512d x;
      10  
      11  void extern
      12  avx512f_test (void)
      13  {
      14    x = _mm512_shuffle_f64x2 (x, x, 56);
      15    x = _mm512_maskz_shuffle_f64x2 (3, x, x, 56);
      16    x = _mm512_mask_shuffle_f64x2 (x, 3, x, x, 56);
      17  }