gcc/testsuite/gcc.dg/vect/vect-32-big-array.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 __attribute__ ((noinline))
   9 int main1 ()
  10 {
  11   struct {
  12     char ca[N];
  13   } s;
  14   int i;
  15
  16   for (i = 0; i < N; i++)
  17     {
  18       s.ca[i] = 5;
  19     }
  20
  21   /* check results:  */
  22   for (i = 0; i < N; i++)
  23     {
  24       if (s.ca[i] != 5)
  25         abort ();
  26     }
  27
  28   return 0;
  29 }
  30
  31 int main (void)
  32 {
  33   check_vect ();
  34
  35   return main1 ();
  36 }
  37
  38 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  39 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" { xfail { ! vect_align_stack_vars } } } } */