gnu/dist/gcc4/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 __LONG_MAX__ == 2147483647
   9 typedef short half_word;
  10 #else
  11 typedef int half_word;
  12 #endif
  13
  14 int main ()
  15 {
  16   half_word cb[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  17   half_word ca[N];
  18   int i;
  19
  20   for (i = 0; i < N; i++)
  21     {
  22       ca[i] = cb[i];
  23     }
  24
  25   /* check results:  */
  26   for (i = 0; i < N; i++)
  27     {
  28       if (ca[i] != cb[i])
  29         abort ();
  30     }
  31
  32   return 0;
  33 }
  34
  35 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  36 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
  37 /* { dg-final { cleanup-tree-dump "vect" } } */