1  /* { dg-require-effective-target vect_int } */
       2  
       3  #include <stdarg.h>
       4  #include "tree-vect.h"
       5  
       6  #define N 16 
       7  
       8  typedef struct {
       9     unsigned char a;
      10     unsigned char b;
      11     unsigned char c;
      12     unsigned char d;
      13     unsigned char e;
      14     unsigned char f;
      15     unsigned char g;
      16     unsigned char h;
      17  } s;
      18  
      19  __attribute__ ((noinline)) int
      20  main1 (s *arr)
      21  {
      22    int i;
      23    s *ptr = arr;
      24    s res[N];
      25    unsigned char u, t, s, x, y, z, w;
      26  
      27    for (i = 0; i < N; i++)
      28      {
      29        u = ptr->b - ptr->a;
      30        t = ptr->d - ptr->c;
      31        res[i].c = u + t;
      32        x = ptr->b + ptr->d;
      33        res[i].a = ptr->a + x;
      34        res[i].d = u + t;
      35        s = ptr->h - ptr->a;
      36        res[i].b = s + t;
      37        res[i].f = ptr->f + ptr->h;
      38        res[i].e = ptr->b + ptr->e;
      39        res[i].h = ptr->d;
      40        res[i].g = u + t;
      41        ptr++;
      42      }
      43  
      44    /* check results:  */
      45    for (i = 0; i < N; i++)
      46      { 
      47        if (res[i].c != arr[i].b - arr[i].a + arr[i].d - arr[i].c
      48            || res[i].a != arr[i].a + arr[i].b + arr[i].d
      49            || res[i].d != arr[i].b - arr[i].a + arr[i].d - arr[i].c
      50            || res[i].b != arr[i].h - arr[i].a + arr[i].d - arr[i].c
      51            || res[i].f != arr[i].f + arr[i].h
      52            || res[i].e != arr[i].b + arr[i].e
      53            || res[i].h != arr[i].d
      54            || res[i].g != arr[i].b - arr[i].a + arr[i].d - arr[i].c)
      55           abort();
      56     }
      57  }
      58  
      59  
      60  int main (void)
      61  {
      62    int i;
      63    s arr[N];
      64    
      65    check_vect ();
      66  
      67    for (i = 0; i < N; i++)
      68      { 
      69        arr[i].a = i;
      70        arr[i].b = i * 2;
      71        arr[i].c = 17;
      72        arr[i].d = i+34;
      73        arr[i].e = i * 3 + 5;
      74        arr[i].f = i * 5;
      75        arr[i].g = i - 3;
      76        arr[i].h = 67;
      77        asm volatile ("" ::: "memory");
      78      } 
      79  
      80    main1 (arr);
      81  
      82    return 0;
      83  }
      84  
      85  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_strided8 } } } */
      86