gcc/testsuite/gcc.dg/vect/bb-slp-layout-17.c

   1 /* { dg-do compile } */
   2
   3 int a[8], b[8];
   4
   5 int f1()
   6 {
   7   a[0] = b[4] + 1;
   8   a[1] = b[5] + 1;
   9   a[2] = b[6] + 1;
  10   a[3] = b[7] + 1;
  11   a[4] = b[0] + 1;
  12   a[5] = b[1] + 1;
  13   a[6] = b[2] + 1;
  14   a[7] = b[3] + 1;
  15 }
  16
  17 unsigned short c[2], d[2];
  18 void f2() {
  19   c[0] += d[1];
  20   c[1] += d[0];
  21 }
  22
  23 typedef int v4si __attribute__((vector_size(16)));
  24 void f3(v4si x) {
  25   a[0] = b[1] + x[1];
  26   a[1] = b[0] + x[3];
  27 }