gcc/testsuite/gcc.dg/vect/vect-73-big-array.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 int ic[N*2];
  10 int ib[N];
  11
  12 #define ia (ic+N)
  13
  14 __attribute__ ((noinline))
  15 int main1 ()
  16 {
  17   int i, j;
  18
  19   for (i = 0; i < N; i++)
  20     {
  21       ib[i] = i*3;
  22       asm volatile ("" ::: "memory");
  23     }
  24
  25   for (i = 0; i < N; i++)
  26     {
  27        ia[i] = ib[i];
  28     }
  29
  30   /* check results: */
  31   for (i = 0; i < N; i++)
  32     {
  33        if (ia[i] != ib[i])
  34          abort ();
  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" } } */