gcc/testsuite/gcc.dg/980313-1.c

   1 /* { dg-do link { target i?86-*-* } } */
   2 /* { dg-options "-O2 -march=pentiumpro" } */
   3
   4 extern __inline  double
   5 __expm1 (double __x)
   6 {
   7   double __temp;
   8   __temp -= 1.0;
   9   return __temp;
  10 }
  11 extern __inline  double
  12 __sgn1 (double __x)
  13 {
  14   return __x >= 0.0 ? 1.0 : -1.0;
  15 }
  16 double
  17 tanh (double __x)
  18 {
  19   register double __exm1 = __expm1 (__x);
  20   return __exm1 / (__exm1 + 2.0) * __sgn1 (-__x);
  21 }
  22 main ()
  23 {
  24   return tanh (3.45) != 0;
  25 }