gcc/testsuite/gcc.dg/vect/vect-7.c

   1 /* { dg-require-effective-target vect_int } */
   2 /* { dg-add-options bind_pic_locally } */
   3
   4 #include <stdarg.h>
   5 #include "tree-vect.h"
   6
   7 #define N 128
   8
   9 short sa[N];
  10 short sb[N];
  11
  12 __attribute__ ((noinline))
  13 int main1 ()
  14 {
  15   int i;
  16
  17   for (i = 0; i < N; i++)
  18     {
  19       sb[i] = 5;
  20     }
  21
  22   /* check results:  */
  23   for (i = 0; i < N; i++)
  24     {
  25       if (sb[i] != 5)
  26         abort ();
  27     }
  28
  29   for (i = 0; i < N; i++)
  30     {
  31       sa[i] = sb[i] + 100;
  32     }
  33
  34   /* check results:  */
  35   for (i = 0; i < N; i++)
  36     {
  37       if (sa[i] != 105)
  38         abort ();
  39     }
  40
  41   return 0;
  42 }
  43
  44 int main (void)
  45 {
  46   check_vect ();
  47
  48   return main1 ();
  49 }
  50
  51 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */
  52 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */