gcc/testsuite/gcc.dg/vect/vect-73-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 int ic[N*2];
   9 int ib[N];
  10
  11 #define ia (ic+N)
  12
  13 volatile int y = 0;
  14
  15 __attribute__ ((noinline))
  16 int main1 ()
  17 {
  18   int i, j;
  19
  20   for (i = 0; i < N; i++)
  21     {
  22       ib[i] = i*3;
  23       if (y)
  24         abort ();
  25     }
  26
  27   for (i = 0; i < N; i++)
  28     {
  29        ia[i] = ib[i];
  30     }
  31
  32   /* check results: */
  33   for (i = 0; i < N; i++)
  34     {
  35        if (ia[i] != ib[i])
  36          abort ();
  37     }
  38
  39   return 0;
  40 }
  41
  42 int main (void)
  43 {
  44   check_vect ();
  45
  46   return main1 ();
  47 }
  48
  49 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  50 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
  51 /* { dg-final { cleanup-tree-dump "vect" } } */