1  /* { dg-do run } */
       2  /* { dg-require-effective-target avx512er } */
       3  /* { dg-options "-O2 -mavx512er" } */
       4  
       5  #include "avx512er-check.h"
       6  #include "avx512f-mask-type.h"
       7  #include "avx512f-helper.h"
       8  #include <math.h>
       9  
      10  #define IMM 0x23
      11  
      12  void static
      13  avx512er_test (void)
      14  {
      15    union128d src1, src2, res, res1, res2, res3, res4;
      16    double res_ref[2];
      17    MASK_TYPE mask = MASK_VALUE;
      18    int i;
      19    
      20    for (i = 0; i < 2; i++)
      21      {
      22        src1.a[i] = 179.345 - 6.5645 * i;
      23        src2.a[i] = 45 - 6.5645 * i;
      24        res_ref[i] = src1.a[i];
      25      }
      26  
      27    res_ref[0] = 1.0 / sqrt (src2.a[0]);
      28  
      29    res.x = _mm_rsqrt28_round_sd (src1.x, src2.x, _MM_FROUND_NO_EXC);
      30    res1.x = _mm_mask_rsqrt28_sd (src1.x, IMM, src1.x, src2.x);
      31    res2.x = _mm_mask_rsqrt28_round_sd (src1.x, IMM, src1.x, src2.x,
      32  				      _MM_FROUND_TO_NEAREST_INT
      33  				      | _MM_FROUND_NO_EXC);
      34    res3.x = _mm_maskz_rsqrt28_sd (IMM, src1.x, src2.x);
      35    res4.x = _mm_maskz_rsqrt28_round_sd (IMM, src1.x, src2.x,
      36  				       _MM_FROUND_TO_NEAREST_INT
      37  				       | _MM_FROUND_NO_EXC);
      38  
      39    if (checkVd (res.a, res_ref, 2))
      40      abort ();
      41  
      42    MASK_MERGE (d) (res_ref, mask, 1);
      43  
      44    if (checkVd (res1.a, res_ref, 2))
      45      abort ();
      46  
      47    if (checkVd (res2.a, res_ref, 2))
      48      abort ();
      49  
      50    MASK_ZERO (d) (res_ref, mask, 1);
      51  
      52    if (checkVd (res3.a, res_ref, 2))
      53      abort ();
      54  
      55    if (checkVd (res4.a, res_ref, 2))
      56      abort ();
      57  }