gcc/testsuite/gcc.dg/tree-ssa/gen-vect-2.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 16
   7
   8 #if __INT_MAX__ == 32767
   9 typedef char half_word;
  10 #elif __LONG_MAX__ == 2147483647
  11 typedef short half_word;
  12 #else
  13 typedef int half_word;
  14 #endif
  15
  16 int main ()
  17 {
  18   half_word cb[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  19   half_word ca[N];
  20   int i;
  21
  22   for (i = 0; i < N; i++)
  23     {
  24       ca[i] = cb[i];
  25     }
  26
  27   /* check results:  */
  28   for (i = 0; i < N; i++)
  29     {
  30       if (ca[i] != cb[i])
  31         abort ();
  32     }
  33
  34   return 0;
  35 }
  36
  37 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  38 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
  39 /* { dg-final { cleanup-tree-dump "vect" } } */