28 lines
463 B
C
28 lines
463 B
C
/* Test long double on x86. */
|
|
|
|
/* { dg-do run { target i?86-*-* } } */
|
|
/* { dg-options -O2 } */
|
|
|
|
__inline int
|
|
__signbitl (long double __x)
|
|
{
|
|
union { long double __l; int __i[3]; } __u = { __l: __x };
|
|
|
|
return (__u.__i[2] & 0x8000) != 0;
|
|
}
|
|
|
|
void
|
|
foo (long double x, long double y)
|
|
{
|
|
long double z = x / y;
|
|
if (__signbitl (x) && __signbitl (z))
|
|
abort ();
|
|
}
|
|
|
|
int main()
|
|
{
|
|
if (sizeof (long double) > sizeof (double))
|
|
foo (-0.0, -1.0);
|
|
return 0;
|
|
}
|