gcc/testsuite/gcc.dg/vect/vect-75.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 8
   7 #define OFF 8
   8
   9 typedef int aint __attribute__ ((__aligned__(16)));
  10
  11 aint ib[N+OFF] = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10, 14, 22, 26, 34};
  12
  13 int main1 (aint *ib)
  14 {
  15   int i;
  16   int ia[N];
  17
  18   for (i = 0; i < N; i++)
  19     {
  20       ia[i] = ib[i+OFF];
  21     }
  22
  23
  24   /* check results:  */
  25   for (i = 0; i < N; i++)
  26     {
  27      if (ia[i] != ib[i+OFF])
  28         abort ();
  29     }
  30
  31   return 0;
  32 }
  33
  34 int main (void)
  35 {
  36   check_vect ();
  37
  38   main1 (ib);
  39   return 0;
  40 }
  41
  42
  43 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  44 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
  45