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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [builtins-43.c] - Rev 826

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/* { dg-do compile } */
/* { dg-options "-O1 -fno-trapping-math -fno-finite-math-only -fdump-tree-gimple -fdump-tree-optimized" } */
 
extern void f(int);
extern void link_error ();
 
extern float x;
extern double y;
extern long double z;
 
int
main ()
{
  double nan = __builtin_nan ("");
#ifndef __SPU__
  /* The SPU single-precision floating point format does not support NANs.  */
  float nanf = __builtin_nanf ("");
#endif
  long double nanl = __builtin_nanl ("");
 
  if (!__builtin_isnan (nan))
    link_error ();
#ifndef __SPU__
  if (!__builtin_isnan (nanf))
    link_error ();
  if (!__builtin_isnanf (nanf))
    link_error ();
#endif
  if (!__builtin_isnan (nanl))
    link_error ();
  if (!__builtin_isnanl (nanl))
    link_error ();
 
  if (__builtin_isnan (4.0))
    link_error ();
  if (__builtin_isnan (4.0))
    link_error ();
  if (__builtin_isnanf (4.0))
    link_error ();
  if (__builtin_isnan (4.0))
    link_error ();
  if (__builtin_isnanl (4.0))
    link_error ();
 
  f (__builtin_isnan (x));
  f (__builtin_isnan (y));
  f (__builtin_isnanf (y));
  f (__builtin_isnan (z));
  f (__builtin_isnanl (z));
}
 
 
/* Check that all instances of __builtin_isnan were folded.  */
/* { dg-final { scan-tree-dump-times "isnan" 0 "gimple" } } */
/* { dg-final { cleanup-tree-dump "gimple" } } */
 
/* Check that all instances of link_error were subject to DCE.  */
/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
 

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