gnu/dist/gcc4/gcc/testsuite/gcc.dg/tree-ssa/gen-vect-26.c

   1 /* { dg-do run { target vect_cmdline_needed } } */
   2 /* { dg-options "-O2 -ftree-vectorize -ftree-vectorizer-verbose=3 -fdump-tree-vect-stats" } */
   3
   4 #include <stdlib.h>
   5
   6 #define N 128
   7
   8 /* unaligned store.  */
   9
  10 int main ()
  11 {
  12   int i;
  13   char ia[N+1];
  14
  15   for (i = 1; i <= N; i++)
  16     {
  17       ia[i] = 5;
  18     }
  19
  20   /* check results:  */
  21   for (i = 1; i <= N; i++)
  22     {
  23       if (ia[i] != 5)
  24         abort ();
  25     }
  26
  27   return 0;
  28 }
  29
  30
  31 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  } } */
  32 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
  33 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" } } */
  34 /* { dg-final { cleanup-tree-dump "vect" } } */