gcc/testsuite/gcc.dg/vect/vect-125.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_int } */
   3 /* { dg-require-effective-target vect_int_mult } */
   4 /* { dg-require-effective-target vect_pack_trunc } */
   5 /* { dg-require-effective-target vect_unpack } */
   6
   7 void train(short *t, short *w, int n, int err)
   8 {
   9   n=(n+7)&-8;
  10   for (int i=0; i<n; ++i)
  11     {
  12       int wt=w[i]+((t[i]*err*2>>16)+1>>1);
  13       if (wt<-32768) wt=-32768;
  14       if (wt>32767) wt=32767;
  15       w[i]=wt;
  16     }
  17 }
  18
  19 /* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" { xfail vect_no_int_min_max } } } */