gcc/testsuite/gcc.dg/vect/vect-112.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 __attribute__ ((noinline)) int
   9 main1 (void)
  10 {
  11   int i;
  12   int diff = 0;
  13   char cb[N] = {2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17};
  14   char cc[N] = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16};
  15
  16   /* Cross-iteration cycle.  */
  17   diff = 0;
  18   for (i = 0; i < N; i++) {
  19     diff += (cb[i] - cc[i]);
  20   }
  21
  22   /* Check results.  */
  23   if (diff != 16)
  24     abort();
  25
  26   return 0;
  27 }
  28
  29 int main (void)
  30 {
  31   check_vect ();
  32   return main1 ();
  33 }
  34
  35 /* { dg-final { scan-tree-dump-times "vectorized 0 loops" 1 "vect" } } */
  36 /* { dg-final { cleanup-tree-dump "vect" } } */
  37
  38