gcc/testsuite/gcc.dg/vect/vect-debug-pr41926.c

   1 /* PR debug/41926 */
   2 /* { dg-do compile } */
   3 /* { dg-additional-options "-g -ffast-math -funroll-loops" } */
   4
   5 void
   6 foo (double (*__restrict p)[4], double (*__restrict q)[4],
   7      double *__restrict prim, double scale, double pp, double pq)
   8 {
   9   int md, mc, mb, ma, p_index = 0;
  10
  11   for (md = 0; md < 1; md++)
  12     for (mc = 0; mc < 1; mc++)
  13       for (mb = 0; mb < 1; mb++)
  14         for (ma = 0; ma < 4; ma++)
  15           {
  16             double tmp = scale * prim[p_index++];
  17             p[md][ma] = p[md][ma] - tmp * pp;
  18             q[mc][ma] = q[mc][ma] - tmp * pq;
  19           }
  20 }