gcc/testsuite/gcc.dg/vect/slp-39.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_double } */
   3
   4 double x[1024], y[1024], z[1024];
   5 void foo (double w)
   6 {
   7   int i;
   8   for (i = 0; i < 1023; i+=2)
   9     {
  10       z[i] = x[i] + 1;
  11       z[i+1] = x[i+1] + w;
  12     }
  13 }
  14 void bar (double w)
  15 {
  16   int i;
  17   for (i = 0; i < 1023; i+=2)
  18     {
  19       z[i] = x[i] + w;
  20       z[i+1] = x[i+1] + 1;
  21     }
  22 }
  23
  24 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect" } } */