(root)/
gcc-13.2.0/
gcc/
testsuite/
gcc.dg/
vect/
vect-strided-store-a-u8-i2.c
       1  /* { dg-require-effective-target vect_int } */
       2  
       3  #include <stdarg.h>
       4  #include "tree-vect.h"
       5  
       6  #define N 64 
       7  
       8  typedef struct {
       9     unsigned char a;
      10     unsigned char b;
      11  } s;
      12  
      13  __attribute__ ((noinline)) int
      14  main1 ()
      15  {
      16    s arr[N];
      17    s *ptr = arr;
      18    s res[N];
      19    int i;
      20    unsigned char a[N], b[N];
      21  
      22  
      23    for (i = 0; i < N; i++)
      24      {
      25        a[i] = i;
      26        b[i] = i * 2;
      27        if (i%3 == 0)
      28          a[i] = 10; 
      29        /* Prevent vectorization.  */
      30        __asm__ volatile ("" : : : "memory");
      31      }
      32  
      33    for (i = 0; i < N; i++)
      34      {
      35        res[i].a = a[i] + 3;
      36        res[i].b = a[i] + b[i];
      37        ptr++;
      38      }
      39  
      40    /* check results:  */
      41    for (i = 0; i < N; i++)
      42      {
      43        if (res[i].a != a[i] + 3
      44            || res[i].b != a[i] + b[i])
      45          abort ();
      46      }
      47  
      48    return 0;
      49  }
      50  
      51  int main (void)
      52  {
      53    check_vect ();
      54  
      55    main1 ();
      56  
      57    return 0;
      58  }
      59  
      60  /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  { target { vect_interleave || vect_strided2 } } } } */
      61