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