gcc/testsuite/gcc.dg/vect/vect-2.c

   1 /* { dg-require-effective-target vect_int } */
   2 /* { dg-add-options bind_pic_locally } */
   3 /* { dg-additional-options "-fdump-tree-optimized-details-blocks" } */
   4
   5 #include <stdarg.h>
   6 #include "tree-vect.h"
   7
   8 #define N 16
   9
  10 char cb[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  11 char ca[N] = {};
  12
  13 __attribute__ ((noinline))
  14 int main1 ()
  15 {
  16   int i;
  17
  18   for (i = 0; i < N; i++)
  19     {
  20       ca[i] = cb[i];
  21     }
  22
  23   /* check results:  */
  24 #pragma GCC novector
  25   for (i = 0; i < N; i++)
  26     {
  27       if (ca[i] != cb[i])
  28         abort ();
  29     }
  30
  31   return 0;
  32 }
  33
  34 int main (void)
  35 {
  36   check_vect ();
  37
  38   return main1 ();
  39 }
  40
  41 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  42 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
  43 /* { dg-final { scan-tree-dump-not "Invalid sum" "optimized" } } */