float128: use builtin_signbitf128 always
Commit Message
From: "Paul E. Murphy" <murp@ibm.com>
The minimum GCC version has been raised beyond 6 for building
glibc. Therefore, follow the advice inside the implementation
and remove the GCC < 6 codepath.
---
sysdeps/ieee754/float128/s_signbitf128.c | 19 +------------------
1 file changed, 1 insertion(+), 18 deletions(-)
@@ -17,21 +17,4 @@
<https://www.gnu.org/licenses/>. */
#include <float128_private.h>
-#include <math.h>
-#include <math_private.h>
-
-/* Once GCC >= 6.0 is required for building glibc, this implementation can
- be removed and replaced with an inclusion of ldbl-128/s_signbitl.c. */
-int
-__signbitf128 (_Float128 x)
-{
-#if __GNUC_PREREQ (6, 0)
- return __builtin_signbit (x);
-#else
- int64_t e;
-
- GET_FLOAT128_MSW64 (e, x);
- return e < 0;
-#endif
-}
-hidden_def (__signbitf128)
+#include "../ldbl-128/s_signbitl.c"