1  /* { dg-additional-options "-mavx2" { target avx_runtime } } */
       2  
       3  #include "tree-vect.h"
       4  
       5  #define N 16
       6  struct C { int r, i; };
       7  struct C a[N], b[N], c[N], d[N], e[N];
       8  
       9  __attribute__((noipa)) static void
      10  foo (struct C *__restrict x, struct C *__restrict y, struct C *__restrict z, int w)
      11  {
      12    int i;
      13    for (int i = 0; i < w; i++)
      14      {
      15        z[i].r = x[i].r * y[-1 - i].r - x[i].i * y[-1 - i].i;
      16        z[i].i = x[i].i * y[-1 - i].r + x[i].r * y[-1 - i].i;
      17      }
      18  }
      19  
      20  __attribute__((noipa)) static void
      21  bar (struct C *__restrict x, struct C *__restrict y, struct C *__restrict z, int w)
      22  {
      23    int i;
      24    for (int i = 0; i < w; i++)
      25      {
      26        z[i].r = x[i].r * y[i].r - x[i].i * y[i].i;
      27        z[i].i = x[i].i * y[i].r + x[i].r * y[i].i;
      28      }
      29  }
      30  
      31  int
      32  main ()
      33  {
      34    check_vect ();
      35    int i;
      36    for (i = 0; i < N; ++i)
      37      {
      38        a[i].r = N - i; a[i].i = i - N;
      39        b[i].r = i - N; b[i].i = i + N;
      40        c[i].r = -1 - i; c[i].i = 2 * N - 1 - i;
      41      }
      42    foo (a, b + N, d, N);
      43    bar (a, c, e, N);
      44    for (i = 0; i < N; ++i)
      45      if (d[i].r != e[i].r || d[i].i != e[i].i)
      46        __builtin_abort ();
      47    return 0;
      48  }