| /* Test long double on x86 and x86-64. */ | |
| /* { dg-do run { target i?86-*-* x86_64-*-*} } */ | |
| /* { dg-options -O2 } */ | |
| extern void abort (void); | |
| __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; | |
| } |