diff options
Diffstat (limited to 'sysdeps/x86/bits/floatn.h')
| -rw-r--r-- | sysdeps/x86/bits/floatn.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sysdeps/x86/bits/floatn.h b/sysdeps/x86/bits/floatn.h index 23f74782ea..f93a9f8dbb 100644 --- a/sysdeps/x86/bits/floatn.h +++ b/sysdeps/x86/bits/floatn.h @@ -91,6 +91,14 @@ typedef __float128 _Float128; # define __builtin_nansf128(x) ((_Float128) __builtin_nans (x)) # endif +/* In math/math.h, __MATH_TG will expand signbit to __builtin_signbit*, + e.g.: __builtin_signbitf128, before GCC 6. However, there has never + been a __builtin_signbitf128 in GCC and the type-generic builtin is + only available since GCC 6. */ +# if !__GNUC_PREREQ (6, 0) +# define __builtin_signbitf128 __signbitf128 +# endif + #endif #endif /* _BITS_FLOATN_H */ |