gcc/testsuite/gcc.dg/vect/wrapv-vect-7.c

   1 /* { dg-require-effective-target vect_int } */
   2 /* { dg-add-options bind_pic_locally } */
   3
   4 #include <stdarg.h>
   5 #include "tree-vect.h"
   6
   7 #define N 128
   8
   9 short sa[N];
  10 short sb[N];
  11
  12 int main1 ()
  13 {
  14   int i;
  15
  16   for (i = 0; i < N; i++)
  17     {
  18       sb[i] = 5;
  19     }
  20
  21   /* check results:  */
  22 #pragma GCC novector
  23   for (i = 0; i < N; i++)
  24     {
  25       if (sb[i] != 5)
  26         abort ();
  27     }
  28
  29   for (i = 0; i < N; i++)
  30     {
  31       sa[i] = sb[i] + (short)100;
  32     }
  33
  34   /* check results:  */
  35 #pragma GCC novector
  36   for (i = 0; i < N; i++)
  37     {
  38       if (sa[i] != 105)
  39         abort ();
  40     }
  41
  42   return 0;
  43 }
  44
  45 int main (void)
  46 {
  47   check_vect ();
  48
  49   return main1 ();
  50 }
  51
  52 /* Fails for 32-bit targets that don't vectorize PLUS.  */
  53 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */
  54 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */