gcc/testsuite/gcc.dg/vect/pr97241.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "-O3 --param max-loop-header-insns=2" } */
   3
   4 short int *ev;
   5 int l4;
   6
   7 short int
   8 a7 (void)
   9 {
  10   short int uo = ev[0], ie = uo;
  11
  12   for (int kp = 0; kp < l4; kp += 4)
  13     {
  14       uo += ev[kp + 1];
  15       ie += ev[kp];
  16     }
  17
  18   return uo + ie;
  19 }