gcc-4.9/gcc/testsuite/gcc.target/i386/980313-1.c


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/* { dg-do link } */
/* { dg-require-effective-target ia32 } */
/* { dg-options "-O2 -march=pentiumpro" } */

extern __inline  double
__expm1 (double __x)
{
  double __temp;
  __temp -= 1.0;
  return __temp;
}
extern __inline  double
__sgn1 (double __x)
{
  return __x >= 0.0 ? 1.0 : -1.0;
}
double
tanh (double __x)
{
  register double __exm1 = __expm1 (__x);
  return __exm1 / (__exm1 + 2.0) * __sgn1 (-__x);
}
main ()
{
  return tanh (3.45) != 0;
}