1  /* { dg-require-effective-target vect_int } */
       2  
       3  #include <stdarg.h>
       4  #include "tree-vect.h"
       5  
       6  #define N 128
       7  
       8  typedef struct {
       9     unsigned short a;
      10     unsigned short b;
      11  } s;
      12  
      13  typedef struct {
      14     unsigned int a;
      15     unsigned int b;
      16  } ii;
      17  
      18  __attribute__ ((noinline)) int
      19  main1 ()
      20  {
      21    s arr[N];
      22    s *ptr = arr;
      23    ii iarr[N];
      24    ii *iptr = iarr;
      25    s res[N];
      26    ii ires[N];
      27    int i;
      28  
      29    for (i = 0; i < N; i++)
      30      {
      31        arr[i].a = i;
      32        arr[i].b = i * 2;
      33        iarr[i].a = i;
      34        iarr[i].b = i * 3;
      35        asm volatile ("" ::: "memory");
      36      }
      37  
      38    for (i = 0; i < N; i++)
      39      {
      40        ires[i].a = iptr->b - iptr->a;
      41        ires[i].b = iptr->b + iptr->a;
      42        res[i].b = ptr->b - ptr->a;
      43        res[i].a = ptr->b + ptr->a;
      44        iptr++;
      45        ptr++;
      46      }
      47  
      48    /* check results:  */
      49    for (i = 0; i < N; i++)
      50      {
      51        if (res[i].b != arr[i].b - arr[i].a
      52            || ires[i].a != iarr[i].b - iarr[i].a
      53            || res[i].a != arr[i].b + arr[i].a
      54            || ires[i].b != iarr[i].b +  iarr[i].a
      55  )
      56          abort ();
      57      }
      58  
      59    return 0;
      60  }
      61  
      62  int main (void)
      63  {
      64    int i;
      65  
      66    check_vect ();
      67  
      68    main1 ();
      69  
      70    return 0;
      71  }   
      72  
      73  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  { target vect_strided2 } } } */
      74