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New testcase for x86 XFmode problems.

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From-SVN: r18051
This commit is contained in:
Jeff Law 1998-02-17 14:50:10 -07:00
parent 979c1a1757
commit d84a12e2de
1 changed files with 27 additions and 0 deletions
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27
gcc/testsuite/gcc.dg/980211-1.c Normal file
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/* 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;
}