1  /* { dg-do run } */
       2  /* { dg-require-effective-target avx512f } */
       3  /* { dg-options "-O3 -mavx512f -mtune=knl" } */
       4  
       5  #include "avx512f-check.h"
       6  
       7  #define N 1024
       8  int a[N], b[N], c[N], d[N];
       9  
      10  __attribute__((noinline, noclone)) void
      11  foo (float *__restrict p, float *__restrict q, float *__restrict r,
      12       int s1, int s2, int s3)
      13  {
      14    int i;
      15    for (i = 0; i < N; i++)
      16      p[i] = q[a[i] * s1 + b[i] * s2 + s3] * r[c[i] * s1 + d[i] * s2 + s3];
      17  }
      18  
      19  static void
      20  avx512f_test (void)
      21  {
      22    int i;
      23    float e[N], f[N], g[N];
      24    for (i = 0; i < N; i++)
      25      {
      26        a[i] = (i * 7) & (N / 8 - 1);
      27        b[i] = (i * 13) & (N / 8 - 1);
      28        c[i] = (i * 23) & (N / 8 - 1);
      29        d[i] = (i * 5) & (N / 8 - 1);
      30        e[i] = 16.5 + i;
      31        f[i] = 127.5 - i;
      32      }
      33    foo (g, e, f, 3, 2, 4);
      34    for (i = 0; i < N; i++)
      35      if (g[i] != (float) ((20.5 + a[i] * 3 + b[i] * 2)
      36  			 * (123.5 - c[i] * 3 - d[i] * 2)))
      37        abort ();
      38  }