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   for (i = 0; i < N; i++)
  23     {
  24       if (sb[i] != 5)
  25         abort ();
  26     }
  27
  28   for (i = 0; i < N; i++)
  29     {
  30       sa[i] = sb[i] + (short)100;
  31     }
  32
  33   /* check results:  */
  34   for (i = 0; i < N; i++)
  35     {
  36       if (sa[i] != 105)
  37         abort ();
  38     }
  39
  40   return 0;
  41 }
  42
  43 int main (void)
  44 {
  45   check_vect ();
  46
  47   return main1 ();
  48 }
  49
  50 /* Fails for 32-bit targets that don't vectorize PLUS.  */
  51 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */
  52 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */