bd52d17906
too large to list, but see: http://gcc.gnu.org/gcc-3.4/changes.html http://gcc.gnu.org/gcc-4.0/changes.html http://gcc.gnu.org/gcc-4.1/changes.html for the details.
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/* { dg-do compile } */
|
|
/* { dg-options "-O1 -fno-trapping-math -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 ("");
|
|
float nanf = __builtin_nanf ("");
|
|
long double nanl = __builtin_nanl ("");
|
|
|
|
double pinf = __builtin_inf ();
|
|
float pinff = __builtin_inff ();
|
|
long double pinfl = __builtin_infl ();
|
|
|
|
if (__builtin_finite (pinf))
|
|
link_error ();
|
|
if (__builtin_finitef (pinff))
|
|
link_error ();
|
|
if (__builtin_finitel (pinfl))
|
|
link_error ();
|
|
|
|
if (__builtin_finite (nan))
|
|
link_error ();
|
|
if (__builtin_finitef (nanf))
|
|
link_error ();
|
|
if (__builtin_finitel (nanl))
|
|
link_error ();
|
|
|
|
if (!__builtin_finite (4.0))
|
|
link_error ();
|
|
if (!__builtin_finitef (4.0))
|
|
link_error ();
|
|
if (!__builtin_finitel (4.0))
|
|
link_error ();
|
|
}
|
|
|
|
|
|
/* 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" } } */
|