gcc/testsuite/gcc.dg/sparc-dwarf2.c

   1 /* PR target/10114 */
   2 /* Originator: James Troup <james@nocrew.org> */
   3 /* { dg-do compile { target sparc-*-linux* } } */
   4 /* { dg-options "-g -O1" } */
   5
   6 extern __inline double sqrt (double __x)
   7 {
   8   register double __r;
   9   __asm ("fsqrtd %1,%0" : "=f" (__r) : "f" (__x));
  10   return __r;
  11 }
  12
  13 static double our_skew, max_update_skew;
  14
  15 static double Sqr(double x)
  16 {
  17   return x*x;
  18 }
  19
  20 void REF_SetReference(double skew)
  21 {
  22   double previous_skew, new_skew;
  23   double old_weight, new_weight, sum_weight;
  24   double delta_freq1, delta_freq2;
  25   double skew1, skew2;
  26
  27   previous_skew = our_skew;
  28   skew1 = sqrt((Sqr(delta_freq1) * old_weight + Sqr(delta_freq2) * new_weight) / sum_weight);
  29   skew2 = (previous_skew * old_weight + new_skew * new_weight) / sum_weight;
  30   our_skew = skew1 + skew2;
  31 }