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, 38 deletions

diff --git a/sysdeps/x86/fpu/bits/mathinline.h b/sysdeps/x86/fpu/bits/mathinline.h
index ac31dee820..bae69696d8 100644
--- a/sysdeps/x86/fpu/bits/mathinline.h
+++ b/sysdeps/x86/fpu/bits/mathinline.h
@@ -28,44 +28,6 @@
 
 /* The gcc, version 2.7 or below, has problems with all this inlining
    code.  So disable it for this version of the compiler.  */
-# if __GNUC_PREREQ (2, 8)
-
-/* Test for negative number.  Used in the signbit() macro.  */
-__MATH_INLINE int
-__NTH (__signbitf (float __x))
-{
-#  ifdef __SSE2_MATH__
-  int __m;
-  __asm ("pmovmskb %1, %0" : "=r" (__m) : "x" (__x));
-  return (__m & 0x8) != 0;
-#  else
-  __extension__ union { float __f; int __i; } __u = { __f: __x };
-  return __u.__i < 0;
-#  endif
-}
-__MATH_INLINE int
-__NTH (__signbit (double __x))
-{
-#  ifdef __SSE2_MATH__
-  int __m;
-  __asm ("pmovmskb %1, %0" : "=r" (__m) : "x" (__x));
-  return (__m & 0x80) != 0;
-#  else
-  __extension__ union { double __d; int __i[2]; } __u = { __d: __x };
-  return __u.__i[1] < 0;
-#  endif
-}
-__MATH_INLINE int
-__NTH (__signbitl (long double __x))
-{
-  __extension__ union { long double __l; int __i[3]; } __u = { __l: __x };
-  return (__u.__i[2] & 0x8000) != 0;
-}
-
-# endif
-
-/* The gcc, version 2.7 or below, has problems with all this inlining
-   code.  So disable it for this version of the compiler.  */
 #if __GNUC_PREREQ (2, 8)
 # if !__GNUC_PREREQ (3, 4) && !defined __NO_MATH_INLINES \
      && defined __OPTIMIZE__