gcc/testsuite/gcc.dg/vect/O3-pr36098.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_int } */
   3
   4 typedef struct {
   5   int iatom[3];
   6   int blocknr;
   7 } t_sortblock;
   8
   9 #define DIM 3
  10
  11 void foo (int ncons, t_sortblock *sb, int *iatom)
  12 {
  13  int i, m;
  14
  15  for(i=0; (i<ncons); i++,iatom+=3)
  16    for(m=0; (m<DIM); m++)
  17      iatom[m]=sb[i].iatom[m];
  18 }
  19
  20 /* The testcase was originally added for correctness reasons but now we
  21    can vectorize it correctly if the target supports the permutations
  22    required.  */
  23
  24 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 0 "vect" { target { ! vect_perm } } } } */