gcc/testsuite/gcc.dg/vect/vect-36.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 16
   7
   8 int main1 ()
   9 {
  10   struct {
  11     char ca[N];
  12     char cb[N];
  13   } s;
  14   int i;
  15
  16   for (i = 0; i < N; i++)
  17     {
  18       s.cb[i] = 3*i;
  19     }
  20
  21   for (i = 0; i < N; i++)
  22     {
  23       s.ca[i] = s.cb[i];
  24     }
  25
  26   /* check results:  */
  27   for (i = 0; i < N; i++)
  28     {
  29       if (s.ca[i] != s.cb[i])
  30         abort ();
  31     }
  32
  33   return 0;
  34 }
  35
  36 int main (void)
  37 {
  38   check_vect ();
  39
  40   return main1 ();
  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 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" } } */