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

   1 /* PR target/10114 */
   2 /* Originator: James Troup <james@nocrew.org> */
   3
   4 /* { dg-do compile } */
   5 /* { dg-options "-g -O1" } */
   6
   7 extern __inline double sqrt (double __x)
   8 {
   9   register double __r;
  10   __asm ("fsqrtd %1,%0" : "=f" (__r) : "f" (__x));
  11   return __r;
  12 }
  13
  14 static double our_skew, max_update_skew;
  15
  16 static double Sqr(double x)
  17 {
  18   return x*x;
  19 }
  20
  21 void REF_SetReference(double skew)
  22 {
  23   double previous_skew, new_skew;
  24   double old_weight, new_weight, sum_weight;
  25   double delta_freq1, delta_freq2;
  26   double skew1, skew2;
  27
  28   previous_skew = our_skew;
  29   skew1 = sqrt((Sqr(delta_freq1) * old_weight + Sqr(delta_freq2) * new_weight) / sum_weight);
  30   skew2 = (previous_skew * old_weight + new_skew * new_weight) / sum_weight;
  31   our_skew = skew1 + skew2;
  32 }