gcc/testsuite/gcc.dg/vect/vect-72.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 128
   7
   8 /* unaligned load.  */
   9
  10 __attribute__ ((noinline))
  11 int main1 ()
  12 {
  13   int i;
  14   char ia[N];
  15   char ib[N+1];
  16
  17   for (i=0; i < N+1; i++)
  18     {
  19       ib[i] = i;
  20     }
  21
  22   for (i = 1; i < N+1; i++)
  23     {
  24       ia[i-1] = ib[i];
  25     }
  26
  27   /* check results:  */
  28   for (i = 1; i <= N; i++)
  29     {
  30       if (ia[i-1] != ib[i])
  31         abort ();
  32     }
  33
  34   return 0;
  35 }
  36
  37 int main (void)
  38 {
  39   check_vect ();
  40
  41   return main1 ();
  42 }
  43
  44 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail vect_no_align } } } */
  45 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 1 "vect" { xfail vect_no_align } } } */
  46 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" } } */
  47 /* { dg-final { cleanup-tree-dump "vect" } } */