old-autovect-branch/gcc/testsuite/gcc.c-torture/compile/20011219-1.c

   1 /* This testcase failed on IA-64 at -O2 during scheduling.  */
   2
   3 void * baz (unsigned long);
   4 static inline double **
   5 bar (long w, long x, long y, long z)
   6 {
   7   long i, a = x - w + 1, b = z - y + 1;
   8   double **m = (double **) baz (sizeof (double *) * (a + 1));
   9
  10   m += 1;
  11   m -= w;
  12   m[w] = (double *) baz (sizeof (double) * (a * b + 1));
  13   m[w] += 1;
  14   m[w] -= y;
  15   for (i = w + 1; i <= x; i++)
  16     m[i] = m[i - 1] + b;
  17   return m;
  18 }
  19
  20 void
  21 foo (double w[], int x, double y[], double z[])
  22 {
  23   int i;
  24   double **a;
  25
  26   a = bar (1, 50, 1, 50);
  27   for (i = 1; i <= x; i++)
  28     a[1][i] = - w[x - i] / w[x];
  29 }