Remove ancient __signbit inlines

Remove __signbit inlines from mathinline.h.  Math.h already uses
the builtin when supported, so additional inlines are only used
on pre 4.0 GCCs.  Similarly remove ancient copysign and fabs
inlines.

	* sysdeps/alpha/fpu/bits/mathinline.h: Delete file.
	* sysdeps/ia64/fpu/bits/mathinline.h: Delete file.
	* sysdeps/m68k/coldfire/fpu/bits/mathinline.h: Delete file.
	* sysdeps/m68k/m680x0/fpu/bits/mathinline.h: (__signbitf): Remove.
	(__signbit): Remove.
	(__signbitl): Remove.
	* sysdeps/powerpc/bits/mathinline.h (__signbitf): Remove.
	(__signbit): Remove.
	(__signbitl): Remove.
	* sysdeps/s390/fpu/bits/mathinline.h: (__signbitf): Remove.
	(__signbit): Remove.
	(__signbitl): Remove
	* sysdeps/sparc/fpu/bits/mathinline.h (__signbitf): Remove.
	(__signbit): Remove.
	(__signbitl): Remove.
	* sysdeps/tile/bits/mathinline.h: Delete file.
	* sysdeps/x86/fpu/bits/mathinline.h (__signbitf): Remove.
	(__signbit): Remove.
	(__signbitl): Remove.

1 files changed, 0 insertions, 54 deletions

diff --git a/sysdeps/sparc/fpu/bits/mathinline.h b/sysdeps/sparc/fpu/bits/mathinline.h
index 6d6813687d..0c5da628bf 100644
--- a/sysdeps/sparc/fpu/bits/mathinline.h
+++ b/sysdeps/sparc/fpu/bits/mathinline.h
@@ -37,60 +37,6 @@
    code.  So disable it for this version of the compiler.  */
 # if __GNUC_PREREQ (2, 8)
 
-#  ifdef __USE_ISOC99
-
-/* Test for negative number.  Used in the signbit() macro.  */
-__MATH_INLINE int
-__NTH (__signbitf (float __x))
-{
-  __extension__ union { float __f; int __i; } __u = { __f: __x };
-  return __u.__i < 0;
-}
-
-#   if __WORDSIZE == 32
-
-__MATH_INLINE int
-__NTH (__signbit (double __x))
-{
-  __extension__ union { double __d; int __i[2]; } __u = { __d: __x };
-  return __u.__i[0] < 0;
-}
-
-#    ifndef __NO_LONG_DOUBLE_MATH
-__MATH_INLINE int
-__NTH (__signbitl (long double __x))
-{
-  __extension__ union { long double __l; int __i[4]; } __u = { __l: __x };
-  return __u.__i[0] < 0;
-}
-#    else
-__MATH_INLINE int
-__NTH (__signbitl (long double __x))
-{
-  return __signbit ((double)__x);
-}
-#    endif
-
-#   else /* sparc64 */
-
-__MATH_INLINE int
-__NTH (__signbit (double __x))
-{
-  __extension__ union { double __d; long int __i; } __u = { __d: __x };
-  return __u.__i < 0;
-}
-
-__MATH_INLINE int
-__NTH (__signbitl (long double __x))
-{
-  __extension__ union { long double __l; long int __i[2]; } __u = { __l: __x };
-  return __u.__i[0] < 0;
-}
-
-#   endif /* sparc64 */
-
-#  endif /* __USE_ISOC99 */
-
 #  if !defined __NO_MATH_INLINES && !__GNUC_PREREQ (3, 2)
 
 __MATH_INLINE double