gcc/testsuite/gcc.dg/vect/bb-slp-73.c

   1 #include "tree-vect.h"
   2
   3 double x[2], y[2], z[2], w[2];
   4
   5 void __attribute__((noipa)) foo ()
   6 {
   7   double tem0 = x[1] + y[1];
   8   double tem1 = x[0] - y[0];
   9   double tem2 = z[1] * tem0;
  10   double tem3 = z[0] * tem1;
  11   z[0] = tem2 - w[1];
  12   z[1] = tem3 + w[0];
  13 }
  14
  15 int main()
  16 {
  17   check_vect ();
  18
  19   x[0] = 1.; x[1] = 2.;
  20   y[0] = 7.; y[1] = -5.;
  21   z[0] = 2.; z[1] = 3.;
  22   w[0] = 9.; w[1] = -5.;
  23   foo ();
  24   if (z[0] != -4. || z[1] != -3.)
  25     __builtin_abort ();
  26   return 0;
  27 }