gcc/testsuite/gcc.dg/vect/pr97678.c

   1 /* { dg-require-effective-target vect_int } */
   2 /* { dg-additional-options "-mavx2" { target avx2_runtime } } */
   3
   4 #include "tree-vect.h"
   5
   6 int
   7 main ()
   8 {
   9   unsigned int i = 0;
  10   unsigned short b[158 * 2];
  11
  12   check_vect ();
  13
  14   for (i = 0; i < 158; i++)
  15     {
  16       b[i * 2] = i * 7;
  17       b[i * 2 + 1] = i * 8;
  18     }
  19
  20   for (i = 0; i < 158; ++i)
  21     if (b[i*2] != (unsigned short)(i*7)
  22         || b[i*2+1] != (unsigned short)(i*8))
  23       abort ();
  24
  25   return 0;
  26 }
  27
  28 /* The init loop should be vectorized with SLP.  */
  29 /* { dg-final { scan-tree-dump "vectorizing stmts using SLP" "vect" } } */