gcc/testsuite/gcc.dg/vect/vect-89-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 struct tmp_struct
   9 {
  10   int x;
  11   int y[N];
  12 };
  13
  14 __attribute__ ((noinline))
  15 int main1 ()
  16 {
  17   int i, *q;
  18   struct tmp_struct tmp, *p;
  19
  20   p = &tmp;
  21   q = p->y;
  22
  23   for (i = 0; i < N; i++)
  24     {
  25       *q++ = 5;
  26     }
  27
  28   /* check results: */
  29   for (i = 0; i < N; i++)
  30     {
  31       if (p->y[i] != 5)
  32         {
  33           abort ();
  34         }
  35     }
  36
  37   return 0;
  38 }
  39
  40 int main (void)
  41 {
  42   check_vect ();
  43
  44   return main1 ();
  45 }
  46
  47 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  48 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
  49 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" } } */