Optimize libm

libm is now somewhat integrated with gcc's -ffinite-math-only option
and lots of the wrapper functions have been optimized.

270 files changed, 4552 insertions, 5629 deletions

diff --git a/ChangeLog b/ChangeLog
index a5cbdee0fa..5dd550cba9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,289 @@
+2011-10-12  Ulrich Drepper  <drepper@gmail.com>
+
+	Add integration with gcc's -ffinite-math-only and optimize wrapper
+	functions in libm.
+	* Versions.def: Define GLIBC_2.15 version for libm.
+	* math/Makefile (headers): Add bits/math-finite.h.
+	* math/bits/math-finite.h: New file.
+	* sysdeps/ia64/fpu/bits/math-finite.h: New file.
+	* math/Versions [libm] (GLIBC_2.15): Export __*_finite symbols.
+	* math/e_acoshl.c: Add __*_finite alias.
+	* math/e_acosl.c: Likewise.
+	* math/e_asinl.c: Likewise.
+	* math/e_atan2l.c: Likewise.
+	* math/e_atanhl.c: Likewise.
+	* math/e_coshl.c: Likewise.
+	* math/e_exp10.c: Likewise.
+	* math/e_exp10f.c: Likewise.
+	* math/e_exp10l.c: Likewise.
+	* math/e_exp2l.c: Likewise.
+	* math/e_fmodl.c: Likewise.
+	* math/e_gammal_r.c: Likewise.
+	* math/e_hypotl.c: Likewise.
+	* math/e_j0l.c: Likewise.
+	* math/e_j1l.c: Likewise.
+	* math/e_jnl.c: Likewise.
+	* math/e_lgammal_r.c: Likewise.
+	* math/e_log10l.c: Likewise.
+	* math/e_log2l.c: Likewise.
+	* math/e_logl.c: Likewise.
+	* math/e_powl.c: Likewise.
+	* math/e_sinhl.c: Likewise.
+	* math/e_sqrtl.c: Likewise.
+	* math/e_scalb.c: Completely rewritten and optimized.
+	* math/e_scalbf.c: Likewise.
+	* math/e_scalbl.c: Likewise.
+	* math/w_acos.c: Likewise.
+	* math/w_acosf.c: Likewise.
+	* math/w_acosl.c: Likewise.
+	* math/w_acosh.c: Likewise.
+	* math/w_acoshf.c: Likewise.
+	* math/w_acoshl.c: Likewise.
+	* math/w_asin.c: Likewise.
+	* math/w_asinf.c: Likewise.
+	* math/w_asinl.c: Likewise.
+	* math/w_atan2.c: Likewise.
+	* math/w_atan2f.c: Likewise.
+	* math/w_atan2l.c: Likewise.
+	* math/w_atanh.c: Likewise.
+	* math/w_atanhf.c: Likewise.
+	* math/w_atanhl.c: Likewise.
+	* math/w_exp10.c: Likewise.
+	* math/w_exp10f.c: Likewise.
+	* math/w_exp10l.c: Likewise.
+	* math/w_fmod.c: Likewise.
+	* math/w_fmodf.c: Likewise.
+	* math/w_fmodl.c: Likewise.
+	* math/w_j0.c: Likewise.
+	* math/w_j0f.c: Likewise.
+	* math/w_j0l.c: Likewise.
+	* math/w_j1.c: Likewise.
+	* math/w_j1f.c: Likewise.
+	* math/w_j1l.c: Likewise.
+	* math/w_jn.c: Likewise.
+	* math/w_jnf.c: Likewise.
+	* math/w_log.c: Likewise.
+	* math/w_logf.c: Likewise.
+	* math/w_logl.c: Likewise.
+	* math/w_log10.c: Likewise.
+	* math/w_log10f.c: Likewise.
+	* math/w_log10l.c: Likewise.
+	* math/w_log2.c: Likewise.
+	* math/w_log2f.c: Likewise.
+	* math/w_log2l.c: Likewise.
+	* math/w_pow.c: Likewise.
+	* math/w_powf.c: Likewise.
+	* math/w_powl.c: Likewise.
+	* math/w_remainder.c: Likewise.
+	* math/w_remainderf.c: Likewise.
+	* math/w_remainderl.c: Likewise.
+	* math/w_scalb.c: Likewise.
+	* math/w_scalbf.c: Likewise.
+	* math/w_scalbl.c: Likewise.
+	* math/w_sqrt.c: Likewise.
+	* math/w_sqrtf.c: Likewise.
+	* math/w_sqrtl.c: Likewise.
+	* math/math.h: Define __MATH_DECLARE_LDOUBLE if long double functions
+	are declared.  Include <bits/math-finite.h> if -ffinite-math-only is
+	used.
+	* math/math_private.h: Declare __kernel_standard_f.
+	* math/w_cosh.c: Remove cruft and optimize a bit.
+	* math/w_coshf.c: Likewise.
+	* math/w_coshl.c: Likewise.
+	* math/w_exp2.c: Likewise.
+	* math/w_exp2f.c: Likewise.
+	* math/w_exp2l.c: Likewise.
+	* math/w_hypot.c: Likewise.
+	* math/w_hypotf.c: Likewise.
+	* math/w_hypotl.c: Likewise.
+	* math/w_lgamma.c: Likewise.
+	* math/w_lgamma_r.c: Likewise.
+	* math/w_lgammaf.c: Likewise.
+	* math/w_lgammaf_r.c: Likewise.
+	* math/w_lgammal.c: Likewise.
+	* math/w_lgammal_r.c: Likewise.
+	* math/w_sinh.c: Likewise.
+	* math/w_sinhf.c: Likewise.
+	* math/w_sinhl.c: Likewise.
+	* math/w_tgamma.c: Likewise.
+	* math/w_tgammaf.c: Likewise.
+	* math/w_tgammal.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_atanh.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_atanhf.c: Likewise.
+	* sysdeps/i386/fpu/e_acos.S: Add __*_finite alias.
+	Minor optimizations.  Pretty printing.  Remove cruft.
+	* sysdeps/i386/fpu/e_acosf.S: Likewise.
+	* sysdeps/i386/fpu/e_acosh.S: Likewise.
+	* sysdeps/i386/fpu/e_acoshf.S: Likewise.
+	* sysdeps/i386/fpu/e_acoshl.S: Likewise.
+	* sysdeps/i386/fpu/e_acosl.c: Likewise.
+	* sysdeps/i386/fpu/e_asin.S: Likewise.
+	* sysdeps/i386/fpu/e_asinf.S: Likewise.
+	* sysdeps/i386/fpu/e_atan2.S: Likewise.
+	* sysdeps/i386/fpu/e_atan2f.S: Likewise.
+	* sysdeps/i386/fpu/e_atan2l.c: Likewise.
+	* sysdeps/i386/fpu/e_atanh.S: Likewise.
+	* sysdeps/i386/fpu/e_atanhf.S: Likewise.
+	* sysdeps/i386/fpu/e_atanhl.S: Likewise.
+	* sysdeps/i386/fpu/e_exp10.S: Likewise.
+	* sysdeps/i386/fpu/e_exp10f.S: Likewise.
+	* sysdeps/i386/fpu/e_exp10l.S: Likewise.
+	* sysdeps/i386/fpu/e_exp2.S: Likewise.
+	* sysdeps/i386/fpu/e_exp2f.S: Likewise.
+	* sysdeps/i386/fpu/e_exp2l.S: Likewise.
+	* sysdeps/i386/fpu/e_fmod.S: Likewise.
+	* sysdeps/i386/fpu/e_fmodf.S: Likewise.
+	* sysdeps/i386/fpu/e_fmodl.c: Likewise.
+	* sysdeps/i386/fpu/e_hypot.S: Likewise.
+	* sysdeps/i386/fpu/e_hypotf.S: Likewise.
+	* sysdeps/i386/fpu/e_log.S: Likewise.
+	* sysdeps/i386/fpu/e_log10.S: Likewise.
+	* sysdeps/i386/fpu/e_log10f.S: Likewise.
+	* sysdeps/i386/fpu/e_log10l.S: Likewise.
+	* sysdeps/i386/fpu/e_log2.S: Likewise.
+	* sysdeps/i386/fpu/e_log2f.S: Likewise.
+	* sysdeps/i386/fpu/e_log2l.S: Likewise.
+	* sysdeps/i386/fpu/e_logf.S: Likewise.
+	* sysdeps/i386/fpu/e_logl.S: Likewise.
+	* sysdeps/i386/fpu/e_pow.S: Likewise.
+	* sysdeps/i386/fpu/e_powf.S: Likewise.
+	* sysdeps/i386/fpu/e_powl.S: Likewise.
+	* sysdeps/i386/fpu/e_remainder.S: Likewise.
+	* sysdeps/i386/fpu/e_remainderf.S: Likewise.
+	* sysdeps/i386/fpu/e_remainderl.S: Likewise.
+	* sysdeps/i386/fpu/e_scalb.S: Likewise.
+	* sysdeps/i386/fpu/e_scalbf.S: Likewise.
+	* sysdeps/i386/fpu/e_scalbl.S: Likewise.
+	* sysdeps/i386/fpu/e_sqrt.S: Likewise.
+	* sysdeps/i386/fpu/e_sqrtf.S: Likewise.
+	* sysdeps/i386/fpu/e_sqrtl.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_acosh.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_asin.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_atan2.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_cosh.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_exp2.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_fmod.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_gamma_r.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_hypot.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_j0.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_j1.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_jn.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_lgamma_r.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_log.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_log10.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_log2.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_pow.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_remainder.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_sinh.c: Likewise.
+	* sysdeps/ieee754/dbl-64/e_sqrt.c: Likewise.
+	* sysdeps/ieee754/dbl-64/halfulp.c: Likewise.
+	* sysdeps/ieee754/dbl-64/s_asinh.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_acosf.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_acoshf.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_asinf.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_atan2f.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_coshf.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_exp2f.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_fmodf.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_gammaf_r.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_hypotf.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_j0f.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_j1f.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_jnf.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_lgammaf_r.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_log10f.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_log2f.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_logf.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_powf.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_remainderf.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_sinhf.c: Likewise.
+	* sysdeps/ieee754/flt-32/e_sqrtf.c: Likewise.
+	* sysdeps/ieee754/flt-32/s_asinhf.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_acoshl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_acosl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_asinl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_atan2l.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_atanhl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_coshl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_fmodl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_gammal_r.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_hypotl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_j0l.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_j1l.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_jnl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_lgammal_r.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_log10l.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_log2l.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_logl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_powl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_remainderl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128/e_sinhl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_acoshl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_acosl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_asinl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_atan2l.c: Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_atanhl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_coshl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_fmodl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c: Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_hypotl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_log10l.c: Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_log2l.c: Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_logl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_powl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_remainderl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_sinhl.c: Likewise.
+	* sysdeps/ieee754/ldbl-128ibm/e_sqrtl.c: Likewise.
+	* sysdeps/ieee754/ldbl-96/e_acoshl.c: Likewise.
+	* sysdeps/ieee754/ldbl-96/e_asinl.c: Likewise.
+	* sysdeps/ieee754/ldbl-96/e_atan2l.c: Likewise.
+	* sysdeps/ieee754/ldbl-96/e_atanhl.c: Likewise.
+	* sysdeps/ieee754/ldbl-96/e_coshl.c: Likewise.
+	* sysdeps/ieee754/ldbl-96/e_gammal_r.c: Likewise.
+	* sysdeps/ieee754/ldbl-96/e_hypotl.c: Likewise.
+	* sysdeps/ieee754/ldbl-96/e_j0l.c: Likewise.
+	* sysdeps/ieee754/ldbl-96/e_j1l.c: Likewise.
+	* sysdeps/ieee754/ldbl-96/e_jnl.c: Likewise.
+	* sysdeps/ieee754/ldbl-96/e_lgammal_r.c: Likewise.
+	* sysdeps/ieee754/ldbl-96/e_remainderl.c: Likewise.
+	* sysdeps/ieee754/ldbl-96/e_sinhl.c: Likewise.
+	* sysdeps/ieee754/ldbl-96/s_asinhl.c: Likewise.
+	* sysdeps/powerpc/fpu/e_hypot.c: Likewise.
+	* sysdeps/powerpc/fpu/e_hypotf.c: Likewise.
+	* sysdeps/powerpc/fpu/e_sqrt.c: Likewise.
+	* sysdeps/powerpc/fpu/e_sqrtf.c: Likewise.
+	* sysdeps/powerpc/powerpc64/fpu/e_sqrt.c: Likewise.
+	* sysdeps/powerpc/powerpc64/fpu/e_sqrtf.c: Likewise.
+	* sysdeps/s390/fpu/e_sqrt.c: Likewise.
+	* sysdeps/s390/fpu/e_sqrtf.c: Likewise.
+	* sysdeps/s390/fpu/e_sqrtl.c: Likewise.
+	* sysdeps/sparc/sparc32/e_sqrt.c: Likewise.
+	* sysdeps/sparc/sparc64/fpu/e_sqrtl.c: Likewise.
+	* sysdeps/x86_64/fpu/e_exp2l.S: Likewise.
+	* sysdeps/x86_64/fpu/e_fmodl.S: Likewise.
+	* sysdeps/x86_64/fpu/e_log10l.S: Likewise.
+	* sysdeps/x86_64/fpu/e_log2l.S: Likewise.
+	* sysdeps/x86_64/fpu/e_logl.S: Likewise.
+	* sysdeps/x86_64/fpu/e_powl.S: Likewise.
+	* sysdeps/x86_64/fpu/e_remainderl.S: Likewise.
+	* sysdeps/x86_64/fpu/e_scalbl.S: Likewise.
+	* sysdeps/x86_64/fpu/e_sqrt.c: Likewise.  Fix parameter order
+	* sysdeps/x86_64/fpu/e_sqrtf.c: Likewise.
+	* sysdeps/x86_64/fpu/math_private.h (__isnan): Cast d parameter.
+	(__isnanf): Likewise.
+	(__isinf_ns): Likewise.
+	(__isinf_nsf): Likewise.
+	(__finite): Likewise.
+	(__finitef): Likewise.
+	(__ieee754_sqrt): Define as macro.
+	(__ieee754_sqrtf): Define as macro.
+	(__ieee754_sqrtl): Define as macro.
+	* sysdeps/x86_64/fpu/bits/fenv.h (feraiseexcept): Add partially
+	inlined copy.
+	* sysdeps/x86_64/fpu/bits/mathinline.h: Make use of
+	__FINITE_MATH_ONLY__ consistent.
+	* sysdeps/ieee754/k_standard.c (__kernel_standard_f): New function.
+
 2011-10-10  Andreas Schwab  <schwab@linux-m68k.org>
 
 	* inet/getnetgrent_r.c (nscd_getnetgrent): Use __rawmemchr instead
diff --git a/NEWS b/NEWS
index 6bdacf0fd6..9940957953 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-GNU C Library NEWS -- history of user-visible changes.  2011-10-8
+GNU C Library NEWS -- history of user-visible changes.  2011-10-12
 Copyright (C) 1992-2009, 2010, 2011 Free Software Foundation, Inc.
 See the end for copying conditions.
 
@@ -44,6 +44,9 @@ Version 2.15
 
 * nscd now also caches the netgroup database.
   Implemented by Ulrich Drepper.
+
+* Integrate libm with gcc's -ffinite-math-only option.
+  Implemented by Ulrich Drepper.
 
 Version 2.14
 
diff --git a/Versions.def b/Versions.def
index 4aa379f247..6b05e5ba5d 100644
--- a/Versions.def
+++ b/Versions.def
@@ -54,6 +54,7 @@ libm {
   GLIBC_2.2.3
   GLIBC_2.3.4
   GLIBC_2.4
+  GLIBC_2.15
 }
 libnsl {
   GLIBC_2.0
diff --git a/math/Makefile b/math/Makefile
index 25cb5f6038..431eb5aa4b 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -1,5 +1,4 @@
-# Copyright (C) 1996-2001,2002,2003,2004,2005,2006,2011
-#	Free Software Foundation, Inc.
+# Copyright (C) 1996-2006,2011 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -25,7 +24,8 @@ subdir		:= math
 headers		:= math.h bits/mathcalls.h bits/mathinline.h bits/huge_val.h \
 		   bits/huge_valf.h bits/huge_vall.h bits/inf.h bits/nan.h \
 		   fpu_control.h complex.h bits/cmathcalls.h fenv.h \
-		   bits/fenv.h bits/fenvinline.h bits/mathdef.h tgmath.h
+		   bits/fenv.h bits/fenvinline.h bits/mathdef.h tgmath.h \
+		   bits/math-finite.h
 
 # Internal header files.
 distribute	:= math_ldbl.h math_private.h machine/asm.h
diff --git a/math/Versions b/math/Versions
index 39c47626f6..66bf460261 100644
--- a/math/Versions
+++ b/math/Versions
@@ -168,4 +168,33 @@ libm {
     # puts exp2l in GLIBC_2.1, which will override this entry.
     exp2l;
   }
+  GLIBC_2.15 {
+    # Optimized -ffinite-math-only entry points
+    __acos_finite; __acosf_finite; __acosl_finite;
+    __acosh_finite; __acoshf_finite; __acoshl_finite;
+    __asin_finite; __asinf_finite; __asinl_finite;
+    __atan2_finite; __atan2f_finite; __atan2l_finite;
+    __atanh_finite; __atanhf_finite; __atanhl_finite;
+    __cosh_finite; __coshf_finite; __coshl_finite;
+    __exp10_finite; __exp10f_finite; __exp10l_finite;
+    __exp2_finite; __exp2f_finite; __exp2l_finite;
+    __fmod_finite; __fmodf_finite; __fmodl_finite;
+    __hypot_finite; __hypotf_finite; __hypotl_finite;
+    __j0_finite; __j0f_finite; __j0l_finite;
+    __y0_finite; __y0f_finite; __y0l_finite;
+    __j1_finite; __j1f_finite; __j1l_finite;
+    __y1_finite; __y1f_finite; __y1l_finite;
+    __jn_finite; __jnf_finite; __jnl_finite;
+    __yn_finite; __ynf_finite; __ynl_finite;
+    __lgamma_r_finite; __lgammaf_r_finite; __lgammal_r_finite;
+    __log_finite; __logf_finite; __logl_finite;
+    __log10_finite; __log10f_finite; __log10l_finite;
+    __log2_finite; __log2f_finite; __log2l_finite;
+    __pow_finite; __powf_finite; __powl_finite;
+    __remainder_finite; __remainderf_finite; __remainderl_finite;
+    __scalb_finite; __scalbf_finite; __scalbl_finite;
+    __sinh_finite; __sinhf_finite; __sinhl_finite;
+    __sqrt_finite; __sqrtf_finite; __sqrtl_finite;
+    __gamma_r_finite; __gammaf_r_finite; __gammal_r_finite;
+  }
 }
diff --git a/math/bits/math-finite.h b/math/bits/math-finite.h
new file mode 100644
index 0000000000..c6b952736d
--- /dev/null
+++ b/math/bits/math-finite.h
@@ -0,0 +1,315 @@
+/* Entry points to finite-math-only compiler runs.
+   Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _MATH_H
+# error "Never use <bits/math-finite.h> directly; include <math.h> instead."
+#endif
+
+/* acos.  */
+extern double acos (double) __asm__ ("__acos_finite");
+extern float acosf (float) __asm__ ("__acosf_finite");
+#ifdef __MATH_DECLARE_LDOUBLE
+extern long double acosl (long double) __asm__ ("__acosl_finite");
+#endif
+
+#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
+/* acosh.  */
+extern double acosh (double) __asm__ ("__acosh_finite");
+extern float acoshf (float) __asm__ ("__acoshf_finite");
+# ifdef __MATH_DECLARE_LDOUBLE
+extern long double acoshl (long double) __asm__ ("__acoshl_finite");
+# endif
+#endif
+
+/* asin.  */
+extern double asin (double) __asm__ ("__asin_finite");
+extern float asinf (float) __asm__ ("__asinf_finite");
+#ifdef __MATH_DECLARE_LDOUBLE
+extern long double asinl (long double) __asm__ ("__asinl_finite");
+#endif
+
+/* atan2.  */
+extern double atan2 (double, double) __asm__ ("__atan2_finite");
+extern float atan2f (float, float) __asm__ ("__atan2f_finite");
+#ifdef __MATH_DECLARE_LDOUBLE
+extern long double atan2l (long double, long double) __asm__ ("__atan2l_finite");
+#endif
+
+#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED || defined __USE_ISOC99
+/* atanh.  */
+extern double atanh (double) __asm__ ("__atanh_finite");
+extern float atanhf (float) __asm__ ("__atanhf_finite");
+# ifdef __MATH_DECLARE_LDOUBLE
+extern long double atanhl (long double) __asm__ ("__atanhl_finite");
+# endif
+#endif
+
+/* cosh.  */
+extern double cosh (double) __asm__ ("__cosh_finite");
+extern float coshf (float) __asm__ ("__coshf_finite");
+#ifdef __MATH_DECLARE_LDOUBLE
+extern long double coshl (long double) __asm__ ("__coshl_finite");
+#endif
+
+#ifdef __USE_GNU
+/* exp10.  */
+extern double exp10 (double) __asm__ ("__exp10_finite");
+extern float exp10f (float) __asm__ ("__exp10f_finite");
+# ifdef __MATH_DECLARE_LDOUBLE
+extern long double exp10l (long double) __asm__ ("__exp10l_finite");
+# endif
+
+/* pow10.  */
+extern double pow10 (double) __asm__ ("__exp10_finite");
+extern float pow10f (float) __asm__ ("__exp10f_finite");
+# ifdef __MATH_DECLARE_LDOUBLE
+extern long double pow10l (long double) __asm__ ("__exp10l_finite");
+# endif
+#endif
+
+#ifdef __USE_ISOC99
+/* exp2.  */
+extern double exp2 (double) __asm__ ("__exp2_finite");
+extern float exp2f (float) __asm__ ("__exp2f_finite");
+# ifdef __MATH_DECLARE_LDOUBLE
+extern long double exp2l (long double) __asm__ ("__exp2l_finite");
+# endif
+#endif
+
+/* fmod.  */
+extern double fmod (double, double) __asm__ ("__fmod_finite");
+extern float fmodf (float, float) __asm__ ("__fmodf_finite");
+#ifdef __MATH_DECLARE_LDOUBLE
+extern long double fmodl (long double, long double) __asm__ ("__fmodl_finite");
+#endif
+
+#ifdef __USE_ISOC99
+/* hypot.  */
+extern double hypot (double, double) __asm__ ("__hypot_finite");
+extern float hypotf (float, float) __asm__ ("__hypotf_finite");
+# ifdef __MATH_DECLARE_LDOUBLE
+extern long double hypotl (long double, long double) __asm__ ("__hypotl_finite");
+# endif
+#endif
+
+#if defined __USE_MISC || defined __USE_XOPEN
+/* j0.  */
+extern double j0 (double) __asm__ ("__j0_finite");
+extern float j0f (float) __asm__ ("__j0f_finite");
+# ifdef __MATH_DECLARE_LDOUBLE
+extern long double j0l (long double) __asm__ ("__j0l_finite");
+# endif
+
+/* y0.  */
+extern double y0 (double) __asm__ ("__y0_finite");
+extern float y0f (float) __asm__ ("__y0f_finite");
+# ifdef __MATH_DECLARE_LDOUBLE
+extern long double y0l (long double) __asm__ ("__y0l_finite");
+# endif
+
+/* j1.  */
+extern double j1 (double) __asm__ ("__j1_finite");
+extern float j1f (float) __asm__ ("__j1f_finite");
+# ifdef __MATH_DECLARE_LDOUBLE
+extern long double j1l (long double) __asm__ ("__j1l_finite");
+# endif
+
+/* y1.  */
+extern double y1 (double) __asm__ ("__y1_finite");
+extern float y1f (float) __asm__ ("__y1f_finite");
+# ifdef __MATH_DECLARE_LDOUBLE
+extern long double y1l (long double) __asm__ ("__y1l_finite");
+# endif
+
+/* jn.  */
+extern double jn (int, double) __asm__ ("__jn_finite");
+extern float jnf (int, float) __asm__ ("__jnf_finite");
+# ifdef __MATH_DECLARE_LDOUBLE
+extern long double jnl (int, long double) __asm__ ("__jnl_finite");
+# endif
+
+/* yn.  */
+extern double yn (int, double) __asm__ ("__yn_finite");
+extern float ynf (int, float) __asm__ ("__ynf_finite");
+# ifdef __MATH_DECLARE_LDOUBLE
+extern long double ynl (int, long double) __asm__ ("__ynl_finite");
+# endif
+#endif
+
+#ifdef __USE_MISC
+/* lgamma_r.  */
+extern double lgamma_r (double, int *) __asm__ ("__lgamma_r_finite");
+extern float lgammaf_r (float, int *) __asm__ ("__lgammaf_r_finite");
+# ifdef __MATH_DECLARE_LDOUBLE
+extern long double lgammal_r (long double, int *) __asm__ ("__lgammal_r_finite");
+# endif
+#endif
+
+#if defined __USE_MISC || defined __USE_XOPEN || defined __USE_ISOC99
+/* lgamma.  */
+__extern_always_inline double lgamma (double __d)
+{
+# ifdef __USE_ISOC99
+  int __local_signgam = 0;
+  return lgamma_r (__d, &__local_signgam);
+# else
+  return lgamma_r (__d, &signgam);
+# endif
+}
+__extern_always_inline float lgammaf (float __d)
+{
+# ifdef __USE_ISOC99
+  int __local_signgam = 0;
+  return lgammaf_r (__d, &__local_signgam);
+# else
+  return lgammaf_r (__d, &signgam);
+# endif
+}
+# ifdef __MATH_DECLARE_LDOUBLE
+__extern_always_inline long double lgammal (long double __d)
+{
+# ifdef __USE_ISOC99
+  int __local_signgam = 0;
+  return lgammal_r (__d, &__local_signgam);
+# else
+  return lgammal_r (__d, &signgam);
+# endif
+}
+# endif
+#endif
+
+#if defined __USE_MISC || defined __USE_XOPEN
+/* gamma.  */
+__extern_always_inline double gamma (double __d)
+{
+# ifdef __USE_ISOC99
+  int __local_signgam = 0;
+  return lgamma_r (__d, &__local_signgam);
+# else
+  return lgamma_r (__d, &signgam);
+# endif
+}
+__extern_always_inline float gammaf (float __d)
+{
+# ifdef __USE_ISOC99
+  int __local_signgam = 0;
+  return lgammaf_r (__d, &__local_signgam);
+# else
+  return lgammaf_r (__d, &signgam);
+# endif
+}
+# ifdef __MATH_DECLARE_LDOUBLE
+__extern_always_inline long double gammal (long double __d)
+{
+#  ifdef __USE_ISOC99
+  int __local_signgam = 0;
+  return lgammal_r (__d, &__local_signgam);
+#  else
+  return lgammal_r (__d, &signgam);
+#  endif
+}
+# endif
+#endif
+
+/* log.  */
+extern double log (double) __asm__ ("__log_finite");
+extern float logf (float) __asm__ ("__logf_finite");
+#ifdef __MATH_DECLARE_LDOUBLE
+extern long double logl (long double) __asm__ ("__logl_finite");
+#endif
+
+/* log10.  */
+extern double log10 (double) __asm__ ("__log10_finite");
+extern float log10f (float) __asm__ ("__log10f_finite");
+#ifdef __MATH_DECLARE_LDOUBLE
+extern long double log10l (long double) __asm__ ("__log10l_finite");
+#endif
+
+#ifdef __USE_ISOC99
+/* log2.  */
+extern double log2 (double) __asm__ ("__log2_finite");
+extern float log2f (float) __asm__ ("__log2f_finite");
+# ifdef __MATH_DECLARE_LDOUBLE
+extern long double log2l (long double) __asm__ ("__log2l_finite");
+# endif
+#endif
+
+/* pow.  */
+extern double pow (double, double) __asm__ ("__pow_finite");
+extern float powf (float, float) __asm__ ("__powf_finite");
+#ifdef __MATH_DECLARE_LDOUBLE
+extern long double powl (long double, long double) __asm__ ("__powl_finite");
+#endif
+
+/* remainder.  */
+extern double remainder (double, double) __asm__ ("__remainder_finite");
+extern float remainderf (float, float) __asm__ ("__remainderf_finite");
+#ifdef __MATH_DECLARE_LDOUBLE
+extern long double remainderl (long double, long double) __asm__ ("__remainderl_finite");
+#endif
+
+#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
+/* scalb.  */
+extern double scalb (double, double) __asm__ ("__scalb_finite");
+extern float scalbf (float, float) __asm__ ("__scalbf_finite");
+# ifdef __MATH_DECLARE_LDOUBLE
+extern long double scalbl (long double, long double) __asm__ ("__scalbl_finite");
+# endif
+#endif
+
+/* sinh.  */
+extern double sinh (double) __asm__ ("__sinh_finite");
+extern float sinhf (float) __asm__ ("__sinhf_finite");
+#ifdef __MATH_DECLARE_LDOUBLE
+extern long double sinhl (long double) __asm__ ("__sinhl_finite");
+#endif
+
+/* sqrt.  */
+extern double sqrt (double) __asm__ ("__sqrt_finite");
+extern float sqrtf (float) __asm__ ("__sqrtf_finite");
+#ifdef __MATH_DECLARE_LDOUBLE
+extern long double sqrtl (long double) __asm__ ("__sqrtl_finite");
+#endif
+
+#ifdef __USE_ISOC99
+/* tgamma.  */
+extern double __gamma_r_finite (double, int *);
+__extern_always_inline double tgamma (double __d)
+{
+  int __local_signgam = 0;
+  double __res = __gamma_r_finite (__d, &__local_signgam);
+  return __local_signgam < 0 ? -__res : __res;
+}
+extern float __gammaf_r_finite (float, int *);
+__extern_always_inline float tgammaf (float __d)
+{
+  int __local_signgam = 0;
+  float __res = __gammaf_r_finite (__d, &__local_signgam);
+  return __local_signgam < 0 ? -__res : __res;
+}
+# ifdef __MATH_DECLARE_LDOUBLE
+extern long double __gammal_r_finite (long double, int *);
+__extern_always_inline long double tgammal (long double __d)
+{
+  int __local_signgam = 0;
+  long double __res = __gammal_r_finite (__d, &__local_signgam);
+  return __local_signgam < 0 ? -__res : __res;
+}
+# endif
+#endif
diff --git a/math/e_acoshl.c b/math/e_acoshl.c
index 2c2fbe8eb4..490fd10fd7 100644
--- a/math/e_acoshl.c
+++ b/math/e_acoshl.c
@@ -9,6 +9,7 @@ __ieee754_acoshl (long double x)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_acoshl, __acoshl_finite)
 
 stub_warning (acoshl)
 #include <stub-tag.h>
diff --git a/math/e_acosl.c b/math/e_acosl.c
index d844d885b8..55d9ab0f68 100644
--- a/math/e_acosl.c
+++ b/math/e_acosl.c
@@ -9,6 +9,7 @@ __ieee754_acosl (long double x)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_acosl, __acosl_finite)
 
 stub_warning (acosl)
 #include <stub-tag.h>
diff --git a/math/e_asinl.c b/math/e_asinl.c
index 3b26f030ef..8e6c47e702 100644
--- a/math/e_asinl.c
+++ b/math/e_asinl.c
@@ -9,6 +9,7 @@ __ieee754_asinl (long double x)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_asinl, __asinl_finite)
 
 stub_warning (asinl)
 #include <stub-tag.h>
diff --git a/math/e_atan2l.c b/math/e_atan2l.c
index 0caed8a32f..8ca37622fc 100644
--- a/math/e_atan2l.c
+++ b/math/e_atan2l.c
@@ -9,6 +9,7 @@ __ieee754_atan2l (long double x, long double y)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_atan2l, __atan2l_finite)
 
 stub_warning (atan2l)
 #include <stub-tag.h>
diff --git a/math/e_atanhl.c b/math/e_atanhl.c
index 625d42db31..26c52e7936 100644
--- a/math/e_atanhl.c
+++ b/math/e_atanhl.c
@@ -9,6 +9,7 @@ __ieee754_atanhl (long double x)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_atanhl, __atanhl_finite)
 
 stub_warning (__ieee754_atanhl)
 #include <stub-tag.h>
diff --git a/math/e_coshl.c b/math/e_coshl.c
index 0da319b785..92bfd7a188 100644
--- a/math/e_coshl.c
+++ b/math/e_coshl.c
@@ -9,6 +9,7 @@ __ieee754_coshl (long double x)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_coshl, __coshl_finite)
 
 stub_warning (__ieee754_coshl)
 #include <stub-tag.h>
diff --git a/math/e_exp10.c b/math/e_exp10.c
index 231ceb2c24..ce14ea5f1b 100644
--- a/math/e_exp10.c
+++ b/math/e_exp10.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
@@ -28,3 +28,4 @@ __ieee754_exp10 (double arg)
      replaced sometime (soon?).  */
   return __ieee754_exp (M_LN10 * arg);
 }
+strong_alias (__ieee754_exp10, __exp10_finite)
diff --git a/math/e_exp10f.c b/math/e_exp10f.c
index 642ed838bd..68e9723b88 100644
--- a/math/e_exp10f.c
+++ b/math/e_exp10f.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
@@ -28,3 +28,4 @@ __ieee754_exp10f (float arg)
      replaced sometime (soon?).  */
   return __ieee754_expf (M_LN10 * arg);
 }
+strong_alias (__ieee754_exp10f, __exp10f_finite)
diff --git a/math/e_exp10l.c b/math/e_exp10l.c
index cbc1897e4c..6bd859fde5 100644
--- a/math/e_exp10l.c
+++ b/math/e_exp10l.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
@@ -28,3 +28,4 @@ __ieee754_exp10l (long double arg)
      replaced sometime (soon?).  */
   return __ieee754_expl (M_LN10l * arg);
 }
+strong_alias (__ieee754_exp10l, __exp10l_finite)
diff --git a/math/e_exp2l.c b/math/e_exp2l.c
index d6d01550e2..e7e493933a 100644
--- a/math/e_exp2l.c
+++ b/math/e_exp2l.c
@@ -8,3 +8,4 @@ __ieee754_exp2l (long double x)
      replaced sometime (soon?).  */
   return __ieee754_expl (M_LN2l * x);
 }
+strong_alias (__ieee754_exp2l, __exp2l_finite)
diff --git a/math/e_fmodl.c b/math/e_fmodl.c
index 380da24e41..dbd361ebc9 100644
--- a/math/e_fmodl.c
+++ b/math/e_fmodl.c
@@ -9,6 +9,7 @@ __ieee754_fmodl (long double x, long double y)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_fmodl, __fmodl_finite)
 
 stub_warning (fmodl)
 #include <stub-tag.h>
diff --git a/math/e_gammal_r.c b/math/e_gammal_r.c
index 1c45c8421b..c0ae70426a 100644
--- a/math/e_gammal_r.c
+++ b/math/e_gammal_r.c
@@ -10,6 +10,7 @@ __ieee754_gammal_r (long double x, int *signgamp)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_gammal_r, __gammal_r_finite)
 
 stub_warning (__ieee754_gammal_r)
 #include <stub-tag.h>
diff --git a/math/e_hypotl.c b/math/e_hypotl.c
index 07df22eb36..73bad62775 100644
--- a/math/e_hypotl.c
+++ b/math/e_hypotl.c
@@ -9,6 +9,7 @@ __ieee754_hypotl (long double x, long double y)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_hypotl, __hypotl_finite)
 
 stub_warning (__ieee754_hypotl)
 #include <stub-tag.h>
diff --git a/math/e_j0l.c b/math/e_j0l.c
index 7a167c277c..eb01ba67c7 100644
--- a/math/e_j0l.c
+++ b/math/e_j0l.c
@@ -10,6 +10,7 @@ __ieee754_j0l (long double x)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_j0l, __j0l_finite)
 
 stub_warning (j0l)
 
@@ -20,6 +21,7 @@ __ieee754_y0l (long double x)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_y0l, __y0l_finite)
 
 stub_warning (y0l)
 #include <stub-tag.h>
diff --git a/math/e_j1l.c b/math/e_j1l.c
index 625e886851..7701f49ff9 100644
--- a/math/e_j1l.c
+++ b/math/e_j1l.c
@@ -10,6 +10,7 @@ __ieee754_j1l (long double x)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_j1l, __j1l_finite)
 
 stub_warning (j1l)
 
@@ -20,6 +21,7 @@ __ieee754_y1l (long double x)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_y1l, __y1l_finite)
 
 stub_warning (y1l)
 #include <stub-tag.h>
diff --git a/math/e_jnl.c b/math/e_jnl.c
index a04c9fe51e..059b1db6bc 100644
--- a/math/e_jnl.c
+++ b/math/e_jnl.c
@@ -10,6 +10,7 @@ __ieee754_jnl (int n, long double x)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_jnl, __jnl_finite)
 
 stub_warning (jnl)
 
@@ -20,6 +21,7 @@ __ieee754_ynl (int n, long double x)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_ynl, __ynl_finite)
 
 stub_warning (ynl)
 #include <stub-tag.h>
diff --git a/math/e_lgammal_r.c b/math/e_lgammal_r.c
index f46f7073a5..92e7700e2e 100644
--- a/math/e_lgammal_r.c
+++ b/math/e_lgammal_r.c
@@ -11,6 +11,7 @@ __ieee754_lgammal_r (long double x, int *signgamp)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_lgammal_r, __lgammal_r_finite)
 
 stub_warning (lgammal)
 stub_warning (lgammal_r)
diff --git a/math/e_log10l.c b/math/e_log10l.c
index 5bc264b32c..2c7ff72c2c 100644
--- a/math/e_log10l.c
+++ b/math/e_log10l.c
@@ -9,6 +9,7 @@ __ieee754_log10l (long double x)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_log10l, __log10l_finite)
 
 stub_warning (log10l)
 #include <stub-tag.h>
diff --git a/math/e_log2l.c b/math/e_log2l.c
index 681904bfbb..95929c3606 100644
--- a/math/e_log2l.c
+++ b/math/e_log2l.c
@@ -9,6 +9,7 @@ __ieee754_log2l (long double x)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_log2l, __log2l_finite)
 
 stub_warning (log2l)
 #include <stub-tag.h>
diff --git a/math/e_logl.c b/math/e_logl.c
index 9ba9cfc799..95608ab553 100644
--- a/math/e_logl.c
+++ b/math/e_logl.c
@@ -9,6 +9,7 @@ __ieee754_logl (long double x)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_logl, __logl_finite)
 
 stub_warning (logl)
 #include <stub-tag.h>
diff --git a/math/e_powl.c b/math/e_powl.c
index afc2248b6b..ab79b1a4b7 100644
--- a/math/e_powl.c
+++ b/math/e_powl.c
@@ -9,6 +9,7 @@ __ieee754_powl (long double x, long double y)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_powl, __powl_finite)
 
 stub_warning (powl)
 #include <stub-tag.h>
diff --git a/math/e_scalb.c b/math/e_scalb.c
index f2c207ac8b..3b81dd5653 100644
--- a/math/e_scalb.c
+++ b/math/e_scalb.c
@@ -1,71 +1,59 @@
-/* @(#)e_scalb.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_scalb.c,v 1.6 1995/05/10 20:46:09 jtc Exp $";
-#endif
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-/*
- * __ieee754_scalb(x, fn) is provide for
- * passing various standard test suite. One
- * should use scalbn() instead.
- */
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
-#ifdef _SCALB_INT
-#ifdef __STDC__
-	double __ieee754_scalb(double x, int fn)
-#else
-	double __ieee754_scalb(x,fn)
-	double x; int fn;
-#endif
-#else
-#ifdef __STDC__
-	double __ieee754_scalb(double x, double fn)
-#else
-	double __ieee754_scalb(x,fn)
-	double x, fn;
-#endif
-#endif
+
+static double
+__attribute__ ((noinline))
+invalid_fn (double x, double fn)
 {
-#ifdef _SCALB_INT
-	return __scalbn(x,fn);
-#else
-	if (__isnan(x)||__isnan(fn)) return x*fn;
-	if (!__finite(fn)) {
-	    if(fn>0.0) return x*fn;
-	    else if (x == 0)
-	      return x;
-	    else if (!__finite (x))
-	      {
-# ifdef FE_INVALID
-		feraiseexcept (FE_INVALID);
-# endif
-		return __nan ("");
-	      }
-	    else       return x/(-fn);
-	}
-	if (__rint(fn)!=fn)
-	  {
-# ifdef FE_INVALID
-	    feraiseexcept (FE_INVALID);
-# endif
-	    return __nan ("");
-	  }
-	if ( fn > 65000.0) return __scalbn(x, 65000);
-	if (-fn > 65000.0) return __scalbn(x,-65000);
-	return __scalbn(x,(int)fn);
-#endif
+  if (__rint (fn) != fn)
+    {
+      feraiseexcept (FE_INVALID);
+      return __nan ("");
+    }
+  else if (fn > 65000.0)
+    return __scalbn (x, 65000);
+  else
+    return __scalbn (x,-65000);
+}
+
+
+double
+__ieee754_scalb (double x, double fn)
+{
+  if (__builtin_expect (__isnan (x), 0))
+    return x * fn;
+  if (__builtin_expect (!__finite (fn), 0))
+    {
+      if (__isnan (fn) || fn > 0.0)
+	return x * fn;
+      if (x == 0.0)
+	return x;
+      return x / -fn;
+    }
+  if (__builtin_expect ((double) (int) fn != fn, 0))
+    return invalid_fn (x, fn);
+
+  return __scalbn (x, (int) fn);
 }
+strong_alias (__ieee754_scalb, __scalb_finite)
diff --git a/math/e_scalbf.c b/math/e_scalbf.c
index 3caa535b12..61847d9a56 100644
--- a/math/e_scalbf.c
+++ b/math/e_scalbf.c
@@ -1,68 +1,59 @@
-/* e_scalbf.c -- float version of e_scalb.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_scalbf.c,v 1.3 1995/05/10 20:46:12 jtc Exp $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
-#ifdef _SCALB_INT
-#ifdef __STDC__
-	float __ieee754_scalbf(float x, int fn)
-#else
-	float __ieee754_scalbf(x,fn)
-	float x; int fn;
-#endif
-#else
-#ifdef __STDC__
-	float __ieee754_scalbf(float x, float fn)
-#else
-	float __ieee754_scalbf(x,fn)
-	float x, fn;
-#endif
-#endif
+
+static float
+__attribute__ ((noinline))
+invalid_fn (float x, float fn)
 {
-#ifdef _SCALB_INT
-	return __scalbnf(x,fn);
-#else
-	if (__isnanf(x)||__isnanf(fn)) return x*fn;
-	if (!__finitef(fn)) {
-	    if(fn>(float)0.0) return x*fn;
-	    else if (x == 0)
-	      return x;
-	    else if (!__finitef (x))
-	      {
-# ifdef FE_INVALID
-		feraiseexcept (FE_INVALID);
-# endif
-		return __nanf ("");
-	      }
-	    else       return x/(-fn);
-	}
-	if (__rintf(fn)!=fn)
-	  {
-# ifdef FE_INVALID
-	    feraiseexcept (FE_INVALID);
-# endif
-	    return __nanf ("");
-	  }
-	if ( fn > (float)65000.0) return __scalbnf(x, 65000);
-	if (-fn > (float)65000.0) return __scalbnf(x,-65000);
-	return __scalbnf(x,(int)fn);
-#endif
+  if (__rintf (fn) != fn)
+    {
+      feraiseexcept (FE_INVALID);
+      return __nan ("");
+    }
+  else if (fn > 65000.0f)
+    return __scalbnf (x, 65000);
+  else
+    return __scalbnf (x,-65000);
+}
+
+
+float
+__ieee754_scalbf (float x, float fn)
+{
+  if (__builtin_expect (__isnanf (x), 0))
+    return x * fn;
+  if (__builtin_expect (!__finitef (fn), 0))
+    {
+      if (__isnanf (fn) || fn > 0.0f)
+	return x * fn;
+      if (x == 0.0f)
+	return x;
+      return x / -fn;
+    }
+  if (__builtin_expect ((float) (int) fn != fn, 0))
+    return invalid_fn (x, fn);
+
+  return __scalbnf (x, (int) fn);
 }
+strong_alias (__ieee754_scalbf, __scalbf_finite)
diff --git a/math/e_scalbl.c b/math/e_scalbl.c
index ad3595c0c5..6b36b71229 100644
--- a/math/e_scalbl.c
+++ b/math/e_scalbl.c
@@ -1,75 +1,59 @@
-/* e_scalbl.c -- long double version of s_scalb.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * __ieee754_scalbl(x, fn) is provide for
- * passing various standard test suite. One
- * should use scalbnl() instead.
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
-#ifdef _SCALB_INT
-#ifdef __STDC__
-	long double __ieee754_scalbl(long double x, int fn)
-#else
-	long double __ieee754_scalbl(x,fn)
-	long double x; int fn;
-#endif
-#else
-#ifdef __STDC__
-	long double __ieee754_scalbl(long double x, long double fn)
-#else
-	long double __ieee754_scalbl(x,fn)
-	long double x, fn;
-#endif
-#endif
+
+static long double
+__attribute__ ((noinline))
+invalid_fn (long double x, long double fn)
+{
+  if (__rintl (fn) != fn)
+    {
+      feraiseexcept (FE_INVALID);
+      return __nan ("");
+    }
+  else if (fn > 65000.0L)
+    return __scalbnl (x, 65000);
+  else
+    return __scalbnl (x,-65000);
+}
+
+
+long double
+__ieee754_scalbl (long double x, long double fn)
 {
-#ifdef _SCALB_INT
-	return __scalbnl(x,fn);
-#else
-	if (__isnanl(x)||__isnanl(fn)) return x*fn;
-	if (!__finitel(fn)) {
-	    if(fn>0.0) return x*fn;
-	    else if (x == 0)
-	      return x;
-	    else if (!__finitel (x))
-	      {
-# ifdef FE_INVALID
-		feraiseexcept (FE_INVALID);
-# endif
-		return __nanl ("");
-	      }
-	    else       return x/(-fn);
-	}
-	if (__rintl(fn)!=fn)
-	  {
-# ifdef FE_INVALID
-	    feraiseexcept (FE_INVALID);
-# endif
-	    return __nanl ("");
-	  }
-	if ( fn > 65000.0) return __scalbnl(x, 65000);
-	if (-fn > 65000.0) return __scalbnl(x,-65000);
-	return __scalbnl(x,(int)fn);
-#endif
+  if (__builtin_expect (__isnanl (x), 0))
+    return x * fn;
+  if (__builtin_expect (!__finitel (fn), 0))
+    {
+      if (__isnanl (fn) || fn > 0.0L)
+	return x * fn;
+      if (x == 0.0L)
+	return x;
+      return x / -fn;
+    }
+  if (__builtin_expect ((long double) (int) fn != fn, 0))
+    return invalid_fn (x, fn);
+
+  return __scalbnl (x, (int) fn);
 }
+strong_alias (__ieee754_scalbl, __scalbl_finite)
diff --git a/math/e_sinhl.c b/math/e_sinhl.c
index 4cec79cb2d..fc756c9eba 100644
--- a/math/e_sinhl.c
+++ b/math/e_sinhl.c
@@ -9,6 +9,7 @@ __ieee754_sinhl (long double x)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_sinhl, __sinhl_finite)
 
 stub_warning (__ieee754_sinhl)
 #include <stub-tag.h>
diff --git a/math/e_sqrtl.c b/math/e_sqrtl.c
index 7680bdb145..af9c2b51bf 100644
--- a/math/e_sqrtl.c
+++ b/math/e_sqrtl.c
@@ -9,6 +9,7 @@ __ieee754_sqrtl (long double x)
   __set_errno (ENOSYS);
   return 0.0;
 }
+strong_alias (__ieee754_sqrtl, __sqrtl_finite)
 
 stub_warning (sqrtl)
 #include <stub-tag.h>
diff --git a/math/math.h b/math/math.h
index aeb54d9ed8..8b98ff331e 100644
--- a/math/math.h
+++ b/math/math.h
@@ -1,5 +1,5 @@
 /* Declarations for math functions.
-   Copyright (C) 1991-1993, 1995-1999, 2001, 2002, 2004, 2006, 2009
+   Copyright (C) 1991-1993, 1995-1999, 2001, 2002, 2004, 2006, 2009, 2011
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -64,10 +64,10 @@ __BEGIN_DECLS
 #define __MATHDECL_1(type, function,suffix, args) \
   extern type __MATH_PRECNAME(function,suffix) args __THROW
 
-#define _Mdouble_ 		double
+#define _Mdouble_		double
 #define __MATH_PRECNAME(name,r)	__CONCAT(name,r)
-# define _Mdouble_BEGIN_NAMESPACE __BEGIN_NAMESPACE_STD
-# define _Mdouble_END_NAMESPACE   __END_NAMESPACE_STD
+#define _Mdouble_BEGIN_NAMESPACE __BEGIN_NAMESPACE_STD
+#define _Mdouble_END_NAMESPACE   __END_NAMESPACE_STD
 #include <bits/mathcalls.h>
 #undef	_Mdouble_
 #undef _Mdouble_BEGIN_NAMESPACE
@@ -83,7 +83,7 @@ __BEGIN_DECLS
 # ifndef _Mfloat_
 #  define _Mfloat_		float
 # endif
-# define _Mdouble_ 		_Mfloat_
+# define _Mdouble_		_Mfloat_
 # ifdef __STDC__
 #  define __MATH_PRECNAME(name,r) name##f##r
 # else
@@ -130,7 +130,7 @@ extern long double __REDIRECT_NTH (nexttowardl,
 #  ifndef _Mlong_double_
 #   define _Mlong_double_	long double
 #  endif
-#  define _Mdouble_ 		_Mlong_double_
+#  define _Mdouble_		_Mlong_double_
 #  ifdef __STDC__
 #   define __MATH_PRECNAME(name,r) name##l##r
 #  else
@@ -138,10 +138,11 @@ extern long double __REDIRECT_NTH (nexttowardl,
 #  endif
 #  define _Mdouble_BEGIN_NAMESPACE __BEGIN_NAMESPACE_C99
 #  define _Mdouble_END_NAMESPACE   __END_NAMESPACE_C99
+#  define __MATH_DECLARE_LDOUBLE   1
 #  include <bits/mathcalls.h>
 #  undef _Mdouble_
-# undef _Mdouble_BEGIN_NAMESPACE
-# undef _Mdouble_END_NAMESPACE
+#  undef _Mdouble_BEGIN_NAMESPACE
+#  undef _Mdouble_END_NAMESPACE
 #  undef __MATH_PRECNAME
 
 # endif /* __STDC__ || __GNUC__ */
@@ -416,6 +417,12 @@ extern int matherr (struct exception *__exc);
 # include <bits/mathinline.h>
 #endif
 
+/* Define special entry points to use when the compiler got told to
+   only expect finite results.  */
+#if defined __FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0
+# include <bits/math-finite.h>
+#endif
+
 #ifdef __USE_ISOC99
 /* If we've still got undefined comparison macros, provide defaults.  */
 
diff --git a/math/math_private.h b/math/math_private.h
index e5ca61f0b8..c5fbf15f65 100644
--- a/math/math_private.h
+++ b/math/math_private.h
@@ -202,6 +202,7 @@ extern double __ieee754_scalb (double,double);
 
 /* fdlibm kernel function */
 extern double __kernel_standard (double,double,int);
+extern float __kernel_standard_f (float,float,int);
 extern double __kernel_sin (double,double,int);
 extern double __kernel_cos (double,double);
 extern double __kernel_tan (double,double,int);
diff --git a/math/w_acos.c b/math/w_acos.c
index 0bf5a80942..617cfdae49 100644
--- a/math/w_acos.c
+++ b/math/w_acos.c
@@ -1,45 +1,39 @@
-/* @(#)w_acos.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_acos.c,v 1.6 1995/05/10 20:48:26 jtc Exp $";
-#endif
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrap_acos(x)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	double __acos(double x)		/* wrapper acos */
-#else
-	double __acos(x)			/* wrapper acos */
-	double x;
-#endif
+/* wrapper acos */
+double
+__acos (double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_acos(x);
-#else
-	double z;
-	z = __ieee754_acos(x);
-	if(_LIB_VERSION == _IEEE_ || __isnan(x)) return z;
-	if(fabs(x)>1.0) {
-	        return __kernel_standard(x,x,1); /* acos(|x|>1) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (fabs (x) > 1.0, 0) && _LIB_VERSION != _IEEE_)
+    {
+      /* acos(|x|>1) */
+      feraiseexcept (FE_INVALID);
+      return __kernel_standard (x, x, 1);
+    }
+
+  return __ieee754_acos (x);
 }
 weak_alias (__acos, acos)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_acosf.c b/math/w_acosf.c
index 37d22afea8..bb3aae0010 100644
--- a/math/w_acosf.c
+++ b/math/w_acosf.c
@@ -1,48 +1,38 @@
-/* w_acosf.c -- float version of w_acos.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_acosf.c,v 1.3 1995/05/10 20:48:29 jtc Exp $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrap_acosf(x)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	float __acosf(float x)		/* wrapper acosf */
-#else
-	float __acosf(x)			/* wrapper acosf */
-	float x;
-#endif
+/* wrapper acosf */
+float
+__acosf (float x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_acosf(x);
-#else
-	float z;
-	z = __ieee754_acosf(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanf(x)) return z;
-	if(fabsf(x)>(float)1.0) {
-	        /* acosf(|x|>1) */
-	        return (float)__kernel_standard((double)x,(double)x,101);
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (fabsf (x) > 1.0f, 0) && _LIB_VERSION != _IEEE_)
+    {
+      /* acos(|x|>1) */
+      feraiseexcept (FE_INVALID);
+      return __kernel_standard_f (x, x, 101);
+    }
+
+  return __ieee754_acosf (x);
 }
 weak_alias (__acosf, acosf)
diff --git a/math/w_acosh.c b/math/w_acosh.c
index 18ea8cc1b7..50201b4d22 100644
--- a/math/w_acosh.c
+++ b/math/w_acosh.c
@@ -1,44 +1,35 @@
-/* @(#)w_acosh.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_acosh.c,v 1.6 1995/05/10 20:48:31 jtc Exp $";
-#endif
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper acosh(x)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	double __acosh(double x)		/* wrapper acosh */
-#else
-	double __acosh(x)			/* wrapper acosh */
-	double x;
-#endif
+
+/* wrapper acosh */
+double
+__acosh (double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_acosh(x);
-#else
-	double z;
-	z = __ieee754_acosh(x);
-	if(_LIB_VERSION == _IEEE_ || __isnan(x)) return z;
-	if(x<1.0) {
-	        return __kernel_standard(x,x,29); /* acosh(x<1) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (x < 1.0, 0) && _LIB_VERSION != _IEEE_)
+    /* acosh(x<1) */
+    return __kernel_standard (x, x, 29);
+
+  return __ieee754_acosh (x);
 }
 weak_alias (__acosh, acosh)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_acoshf.c b/math/w_acoshf.c
index d7d6d4eb41..2b07824a0e 100644
--- a/math/w_acoshf.c
+++ b/math/w_acoshf.c
@@ -1,48 +1,34 @@
-/* w_acoshf.c -- float version of w_acosh.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
- * is preserved.
- * ====================================================
- *
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_acoshf.c,v 1.3 1995/05/10 20:48:33 jtc Exp $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/* 
- * wrapper acoshf(x)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	float __acoshf(float x)		/* wrapper acoshf */
-#else
-	float __acoshf(x)			/* wrapper acoshf */
-	float x;
-#endif
+
+/* wrapper acoshf */
+float
+__acoshf (float x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_acoshf(x);
-#else
-	float z;
-	z = __ieee754_acoshf(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanf(x)) return z;
-	if(x<(float)1.0) {
-		/* acosh(x<1) */
-	        return (float)__kernel_standard((double)x,(double)x,129);
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (x < 1.0f, 0) && _LIB_VERSION != _IEEE_)
+    /* acosh(x<1) */
+    return __kernel_standard_f (x, x, 129);
+
+  return __ieee754_acoshf (x);
 }
 weak_alias (__acoshf, acoshf)
diff --git a/math/w_acoshl.c b/math/w_acoshl.c
index 3c77321dc2..0f7068a96e 100644
--- a/math/w_acoshl.c
+++ b/math/w_acoshl.c
@@ -1,47 +1,34 @@
-/* w_acoshl.c -- long double version of w_acosh.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper acoshl(x)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	long double __acoshl(long double x)	/* wrapper acosh */
-#else
-	long double __acoshl(x)			/* wrapper acosh */
-	long double x;
-#endif
+
+/* wrapper acosl */
+long double
+__acoshl (long double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_acoshl(x);
-#else
-	long double z;
-	z = __ieee754_acoshl(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
-	if(x<1.0) {
-	        return __kernel_standard(x,x,229); /* acoshl(x<1) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (x < 1.0L, 0) && _LIB_VERSION != _IEEE_)
+    /* acosh(x<1) */
+    return __kernel_standard (x, x, 229);
+
+  return __ieee754_acoshl (x);
 }
 weak_alias (__acoshl, acoshl)
diff --git a/math/w_acosl.c b/math/w_acosl.c
index a16c55b97a..dd1039ec85 100644
--- a/math/w_acosl.c
+++ b/math/w_acosl.c
@@ -1,48 +1,38 @@
-/* w_acosl.c -- long double version of w_acos.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrap_acosl(x)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	long double __acosl(long double x)	/* wrapper acos */
-#else
-	long double __acosl(x)			/* wrapper acos */
-	long double x;
-#endif
+/* wrapper acosl */
+long double
+__acosl (long double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_acosl(x);
-#else
-	long double z;
-	z = __ieee754_acosl(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
-	if(fabsl(x)>1.0) {
-	        return __kernel_standard(x,x,201); /* acosl(|x|>1) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (fabsl (x) > 1.0L, 0) && _LIB_VERSION != _IEEE_)
+    {
+      /* acos(|x|>1) */
+      feraiseexcept (FE_INVALID);
+      return __kernel_standard (x, x, 201);
+    }
+
+  return __ieee754_acosl (x);
 }
 weak_alias (__acosl, acosl)
diff --git a/math/w_asin.c b/math/w_asin.c
index b7fccdea7e..feb5c6aaf3 100644
--- a/math/w_asin.c
+++ b/math/w_asin.c
@@ -1,46 +1,39 @@
-/* @(#)w_asin.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_asin.c,v 1.6 1995/05/10 20:48:35 jtc Exp $";
-#endif
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-/*
- * wrapper asin(x)
- */
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	double __asin(double x)		/* wrapper asin */
-#else
-	double __asin(x)			/* wrapper asin */
-	double x;
-#endif
+/* wrapper asin */
+double
+__asin (double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_asin(x);
-#else
-	double z;
-	z = __ieee754_asin(x);
-	if(_LIB_VERSION == _IEEE_ || __isnan(x)) return z;
-	if(fabs(x)>1.0) {
-	        return __kernel_standard(x,x,2); /* asin(|x|>1) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (fabs (x) > 1.0, 0) && _LIB_VERSION != _IEEE_)
+    {
+      /* asin(|x|>1) */
+      feraiseexcept (FE_INVALID);
+      return __kernel_standard (x, x, 2);
+    }
+
+  return __ieee754_asin (x);
 }
 weak_alias (__asin, asin)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_asinf.c b/math/w_asinf.c
index f2c0b22e4a..1a21dc389a 100644
--- a/math/w_asinf.c
+++ b/math/w_asinf.c
@@ -1,49 +1,38 @@
-/* w_asinf.c -- float version of w_asin.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_asinf.c,v 1.3 1995/05/10 20:48:37 jtc Exp $";
-#endif
-
-/* 
- * wrapper asinf(x)
- */
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	float __asinf(float x)		/* wrapper asinf */
-#else
-	float __asinf(x)			/* wrapper asinf */
-	float x;
-#endif
+/* wrapper asinf */
+float
+__asinf (float x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_asinf(x);
-#else
-	float z;
-	z = __ieee754_asinf(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanf(x)) return z;
-	if(fabsf(x)>(float)1.0) {
-	    /* asinf(|x|>1) */
-	    return (float)__kernel_standard((double)x,(double)x,102);
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (fabsf (x) > 1.0f, 0) && _LIB_VERSION != _IEEE_)
+    {
+      /* asin(|x|>1) */
+      feraiseexcept (FE_INVALID);
+      return __kernel_standard_f (x, x, 102);
+    }
+
+  return __ieee754_asinf (x);
 }
 weak_alias (__asinf, asinf)
diff --git a/math/w_asinl.c b/math/w_asinl.c
index 9a316b77cd..a9f14fbd63 100644
--- a/math/w_asinl.c
+++ b/math/w_asinl.c
@@ -1,49 +1,38 @@
-/* w_asinl.c -- long double version of w_asin.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
-
-/*
- * wrapper asinl(x)
- */
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	long double __asinl(long double x)	/* wrapper asinl */
-#else
-	long double __asinl(x)			/* wrapper asinl */
-	long double x;
-#endif
+/* wrapper asinl */
+long double
+__asinl (long double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_asinl(x);
-#else
-	long double z;
-	z = __ieee754_asinl(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
-	if(fabsl(x)>1.0) {
-	        return __kernel_standard(x,x,202); /* asinl(|x|>1) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (fabsl (x) > 1.0L, 0) && _LIB_VERSION != _IEEE_)
+    {
+      /* asin(|x|>1) */
+      feraiseexcept (FE_INVALID);
+      return __kernel_standard (x, x, 202);
+    }
+
+  return __ieee754_asinl (x);
 }
 weak_alias (__asinl, asinl)
diff --git a/math/w_atan2.c b/math/w_atan2.c
index 4fcaba920b..7d61c7279e 100644
--- a/math/w_atan2.c
+++ b/math/w_atan2.c
@@ -1,18 +1,21 @@
-/* @(#)w_atan2.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_atan2.c,v 1.6 1995/05/10 20:48:39 jtc Exp $";
-#endif
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 /*
  * wrapper atan2(y,x)
@@ -22,23 +25,13 @@ static char rcsid[] = "$NetBSD: w_atan2.c,v 1.6 1995/05/10 20:48:39 jtc Exp $";
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	double __atan2(double y, double x)	/* wrapper atan2 */
-#else
-	double __atan2(y,x)			/* wrapper atan2 */
-	double y,x;
-#endif
+double
+__atan2 (double y, double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_atan2(y,x);
-#else
-	double z;
-	z = __ieee754_atan2(y,x);
-	if(_LIB_VERSION != _SVID_||__isnan(x)||__isnan(y)) return z;
-	if(x==0.0&&y==0.0)
-	  return __kernel_standard(y,x,3); /* atan2(+-0,+-0) */
-	return z;
-#endif
+  if (__builtin_expect (x == 0.0 && y == 0.0, 0) && _LIB_VERSION == _SVID_)
+    return __kernel_standard (y, x, 3); /* atan2(+-0,+-0) */
+
+  return __ieee754_atan2 (y, x);
 }
 weak_alias (__atan2, atan2)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_atan2f.c b/math/w_atan2f.c
index 2a1ca9cf95..b3c65bfcb7 100644
--- a/math/w_atan2f.c
+++ b/math/w_atan2f.c
@@ -1,21 +1,21 @@
-/* w_atan2f.c -- float version of w_atan2.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_atan2f.c,v 1.3 1995/05/10 20:48:42 jtc Exp $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 /*
  * wrapper atan2f(y,x)
@@ -25,22 +25,12 @@ static char rcsid[] = "$NetBSD: w_atan2f.c,v 1.3 1995/05/10 20:48:42 jtc Exp $";
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	float __atan2f(float y, float x)		/* wrapper atan2f */
-#else
-	float __atan2f(y,x)			/* wrapper atan2 */
-	float y,x;
-#endif
+float
+__atan2f (float y, float x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_atan2f(y,x);
-#else
-	float z;
-	z = __ieee754_atan2f(y,x);
-	if(_LIB_VERSION != _SVID_||__isnanf(x)||__isnanf(y)) return z;
-	if(x==0.0&&y==0.0)
-	  return __kernel_standard(y,x,103); /* atan2(+-0,+-0) */
-	return z;
-#endif
+  if (__builtin_expect (x == 0.0f && y == 0.0f, 0) && _LIB_VERSION == _SVID_)
+    return __kernel_standard_f (y, x, 103); /* atan2(+-0,+-0) */
+
+  return __ieee754_atan2f (y, x);
 }
 weak_alias (__atan2f, atan2f)
diff --git a/math/w_atan2l.c b/math/w_atan2l.c
index 85d6f5dd7d..c4854993a5 100644
--- a/math/w_atan2l.c
+++ b/math/w_atan2l.c
@@ -1,22 +1,21 @@
-/* w_atan2l.c -- long double version of w_atan2.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 /*
  * wrapper atan2l(y,x)
@@ -26,22 +25,12 @@ static char rcsid[] = "$NetBSD: $";
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	long double __atan2l(long double y, long double x) /* wrapper atan2l */
-#else
-	long double __atan2l(y,x)			/* wrapper atan2l */
-	long double y,x;
-#endif
+long double
+__atan2l (long double y, long double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_atan2l(y,x);
-#else
-	long double z;
-	z = __ieee754_atan2l(y,x);
-	if(_LIB_VERSION != _SVID_||__isnanl(x)||__isnanl(y)) return z;
-	if(x==0.0&&y==0.0)
-	  return __kernel_standard(y,x,203); /* atan2(+-0,+-0) */
-	return z;
-#endif
+  if (__builtin_expect (x == 0.0L && y == 0.0L, 0) && _LIB_VERSION == _SVID_)
+    return __kernel_standard (y, x, 203); /* atan2(+-0,+-0) */
+
+  return __ieee754_atan2l (y, x);
 }
 weak_alias (__atan2l, atan2l)
diff --git a/math/w_atanh.c b/math/w_atanh.c
index a2dab67a75..61ea0d8754 100644
--- a/math/w_atanh.c
+++ b/math/w_atanh.c
@@ -1,49 +1,37 @@
-/* @(#)w_atanh.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_atanh.c,v 1.6 1995/05/10 20:48:43 jtc Exp $";
-#endif
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper atanh(x)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <math.h>
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	double __atanh(double x)		/* wrapper atanh */
-#else
-	double __atanh(x)			/* wrapper atanh */
-	double x;
-#endif
+/* wrapper atanh */
+double
+__atanh (double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_atanh(x);
-#else
-	double z,y;
-	z = __ieee754_atanh(x);
-	if(_LIB_VERSION == _IEEE_ || __isnan(x)) return z;
-	y = fabs(x);
-	if(y>=1.0) {
-	    if(y>1.0)
-	        return __kernel_standard(x,x,30); /* atanh(|x|>1) */
-	    else
-	        return __kernel_standard(x,x,31); /* atanh(|x|==1) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (fabs (x) >= 1.0, 0) && _LIB_VERSION != _IEEE_)
+    return __kernel_standard (x, x,
+			      fabs (x) > 1.0
+			      ? 30		/* atanh(|x|>1) */
+			      : 31);		/* atanh(|x|==1) */
+
+  return __ieee754_atanh (x);
 }
 weak_alias (__atanh, atanh)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_atanhf.c b/math/w_atanhf.c
index 41dd2ac33b..fd1dbaeee3 100644
--- a/math/w_atanhf.c
+++ b/math/w_atanhf.c
@@ -1,53 +1,36 @@
-/* w_atanhf.c -- float version of w_atanh.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_atanhf.c,v 1.3 1995/05/10 20:48:45 jtc Exp $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/* 
- * wrapper atanhf(x)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <math.h>
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	float __atanhf(float x)		/* wrapper atanhf */
-#else
-	float __atanhf(x)			/* wrapper atanhf */
-	float x;
-#endif
+/* wrapper atanhf */
+float
+__atanhf (float x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_atanhf(x);
-#else
-	float z,y;
-	z = __ieee754_atanhf(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanf(x)) return z;
-	y = fabsf(x);
-	if(y>=(float)1.0) {
-	    if(y>(float)1.0)
-	        /* atanhf(|x|>1) */
-	        return (float)__kernel_standard((double)x,(double)x,130);
-	    else 
-	        /* atanhf(|x|==1) */
-	        return (float)__kernel_standard((double)x,(double)x,131);
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (fabsf (x) >= 1.0f, 0) && _LIB_VERSION != _IEEE_)
+    return __kernel_standard_f (x, x,
+				fabsf (x) > 1.0f
+				? 130		/* atanh(|x|>1) */
+				: 131);		/* atanh(|x|==1) */
+
+  return __ieee754_atanhf (x);
 }
 weak_alias (__atanhf, atanhf)
diff --git a/math/w_atanhl.c b/math/w_atanhl.c
index c61229c345..7c958f1312 100644
--- a/math/w_atanhl.c
+++ b/math/w_atanhl.c
@@ -1,52 +1,36 @@
-/* w_atanhl.c -- long double version of w_atanh.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper atanhl(x)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <math.h>
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	long double __atanhl(long double x)	/* wrapper atanhl */
-#else
-	long double __atanhl(x)			/* wrapper atanhl */
-	long double x;
-#endif
+/* wrapper atanhl */
+long double
+__atanhl (long double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_atanhl(x);
-#else
-	long double z,y;
-	z = __ieee754_atanhl(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
-	y = fabsl(x);
-	if(y>=1.0) {
-	    if(y>1.0)
-	        return __kernel_standard(x,x,230); /* atanhl(|x|>1) */
-	    else
-	        return __kernel_standard(x,x,231); /* atanhl(|x|==1) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (fabsl (x) >= 1.0L, 0) && _LIB_VERSION != _IEEE_)
+    return __kernel_standard (x, x,
+			      fabsl (x) > 1.0L
+			      ? 230		/* atanh(|x|>1) */
+			      : 231);		/* atanh(|x|==1) */
+
+  return __ieee754_atanhl (x);
 }
 weak_alias (__atanhl, atanhl)
diff --git a/math/w_cosh.c b/math/w_cosh.c
index 0e27a2da1c..57010781bf 100644
--- a/math/w_cosh.c
+++ b/math/w_cosh.c
@@ -1,4 +1,4 @@
-/* @(#)w_cosh.c 5.1 93/09/24 */
+/* Optimizations bu Ulrich Drepper <drepper@gmail.com>, 2011 */
 /*
  * ====================================================
  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
@@ -10,10 +10,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_cosh.c,v 1.6 1995/05/10 20:48:47 jtc Exp $";
-#endif
-
 /*
  * wrapper cosh(x)
  */
@@ -21,24 +17,15 @@ static char rcsid[] = "$NetBSD: w_cosh.c,v 1.6 1995/05/10 20:48:47 jtc Exp $";
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	double __cosh(double x)		/* wrapper cosh */
-#else
-	double __cosh(x)			/* wrapper cosh */
-	double x;
-#endif
+double
+__cosh (double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_cosh(x);
-#else
-	double z;
-	z = __ieee754_cosh(x);
-	if(_LIB_VERSION == _IEEE_ || __isnan(x)) return z;
-	if(!__finite(z) && __finite(x)) {
-	        return __kernel_standard(x,x,5); /* cosh overflow */
-	} else
-	    return z;
-#endif
+	double z = __ieee754_cosh (x);
+	if (__builtin_expect (!__finite (z), 0) && __finite (x)
+	    && _LIB_VERSION != _IEEE_)
+		return __kernel_standard (x, x, 5); /* cosh overflow */
+
+	return z;
 }
 weak_alias (__cosh, cosh)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_coshf.c b/math/w_coshf.c
index 5e3477fdb7..df1f681205 100644
--- a/math/w_coshf.c
+++ b/math/w_coshf.c
@@ -1,5 +1,6 @@
 /* w_coshf.c -- float version of w_cosh.c.
  * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
+ * Optimizations by Ulrich Drepper <drepper@gmail.com>, 2011.
  */
 
 /*
@@ -8,40 +9,26 @@
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_coshf.c,v 1.3 1995/05/10 20:48:49 jtc Exp $";
-#endif
-
-/* 
+/*
  * wrapper coshf(x)
  */
 
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	float __coshf(float x)		/* wrapper coshf */
-#else
-	float __coshf(x)			/* wrapper coshf */
-	float x;
-#endif
+float
+__coshf (float x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_coshf(x);
-#else
-	float z;
-	z = __ieee754_coshf(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanf(x)) return z;
-	if(!__finite(z) && __finite(x)) {	
-		/* cosh overflow */
-	        return (float)__kernel_standard((double)x,(double)x,105);
-	} else
-	    return z;
-#endif
+	float z = __ieee754_coshf (x);
+	if (__builtin_expect (!__finitef (z), 0) && __finitef (x)
+	    && _LIB_VERSION != _IEEE_)
+		return __kernel_standard_f (x, x, 105); /* cosh overflow */
+
+	return z;
 }
 weak_alias (__coshf, coshf)
diff --git a/math/w_coshl.c b/math/w_coshl.c
index ecba921072..abca8b05f5 100644
--- a/math/w_coshl.c
+++ b/math/w_coshl.c
@@ -1,6 +1,7 @@
 /* w_acoshl.c -- long double version of w_acosh.c.
  * Conversion to long double by Ulrich Drepper,
  * Cygnus Support, drepper@cygnus.com.
+ * Optimizations bu Ulrich Drepper <drepper@gmail.com>, 2011.
  */
 
 /*
@@ -14,10 +15,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
-
 /*
  * wrapper coshl(x)
  */
@@ -25,23 +22,14 @@ static char rcsid[] = "$NetBSD: $";
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	long double __coshl(long double x)	/* wrapper coshl */
-#else
-	long double __coshl(x)			/* wrapper coshl */
-	long double x;
-#endif
+long double
+__coshl (long double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_coshl(x);
-#else
-	long double z;
-	z = __ieee754_coshl(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
-	if(!__finitel(z) && __finitel(x)) {
-		return __kernel_standard(x,x,205); /* cosh overflow */
-	} else
-	    return z;
-#endif
+	long double z = __ieee754_coshl (x);
+	if (__builtin_expect (!__finitel (z), 0) && __finitel (x)
+	    && _LIB_VERSION != _IEEE_)
+		return __kernel_standard (x, x, 205); /* cosh overflow */
+
+	return z;
 }
 weak_alias (__coshl, coshl)
diff --git a/math/w_exp10.c b/math/w_exp10.c
index 1512cc0a34..830b08df1e 100644
--- a/math/w_exp10.c
+++ b/math/w_exp10.c
@@ -1,17 +1,22 @@
-/* @(#)w_exp10.c
- * Conversion to exp10 by Ulrich Drepper <drepper@cygnus.com>.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
 
 /*
  * wrapper exp10(x)
@@ -20,25 +25,16 @@
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	double __exp10(double x)		/* wrapper exp10 */
-#else
-	double __exp10(x)			/* wrapper exp10 */
-	double x;
-#endif
+double
+__exp10 (double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_exp10(x);
-#else
-	double z;
-	z = __ieee754_exp10(x);
-	if(_LIB_VERSION == _IEEE_) return z;
-	if(!__finite(z) && __finite(x)) {
-	    /* exp10 overflow (46) if x > 0, underflow (47) if x < 0.  */
-	    return __kernel_standard(x,x,46+!!__signbit(x));
-	}
-	return z;
-#endif
+  double z = __ieee754_exp10 (x);
+  if (__builtin_expect (!__finite (z), 0)
+      && __finite (x) && _LIB_VERSION != _IEEE_)
+    /* exp10 overflow (46) if x > 0, underflow (47) if x < 0.  */
+    return __kernel_standard (x, x, 46 + !!__signbit (x));
+
+  return z;
 }
 weak_alias (__exp10, exp10)
 strong_alias (__exp10, __pow10)
diff --git a/math/w_exp10f.c b/math/w_exp10f.c
index dcc8dc768e..6fd52f9a3e 100644
--- a/math/w_exp10f.c
+++ b/math/w_exp10f.c
@@ -1,45 +1,40 @@
-/* w_exp10f.c -- float version of w_exp10.c.
- * Conversion to exp10 by Ulrich Drepper <drepper@cygnus.com>.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
 
 /*
- * wrapper expf10(x)
+ * wrapper exp10f(x)
  */
 
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	float __exp10f(float x)		/* wrapper exp10f */
-#else
-	float __exp10f(x)			/* wrapper exp10f */
-	float x;
-#endif
+float
+__exp10f (float x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_exp10f(x);
-#else
-	float z;
-	z = __ieee754_exp10f(x);
-	if(_LIB_VERSION == _IEEE_) return z;
-	if(!__finitef(z) && __finitef(x)) {
-	    /* exp10f overflow (146) if x > 0, underflow (147) if x < 0.  */
-	    return (float)__kernel_standard((double) x, (double) x,
-					    146+!!__signbitf(x));
-	}
-	return z;
-#endif
+  float z = __ieee754_exp10f (x);
+  if (__builtin_expect (!__finitef (z), 0)
+      && __finitef (x) && _LIB_VERSION != _IEEE_)
+    /* exp10f overflow (146) if x > 0, underflow (147) if x < 0.  */
+    return __kernel_standard_f (x, x, 146 + !!__signbitf (x));
+
+  return z;
 }
 weak_alias (__exp10f, exp10f)
 strong_alias (__exp10f, __pow10f)
diff --git a/math/w_exp10l.c b/math/w_exp10l.c
index 80e720a205..0cda27c76b 100644
--- a/math/w_exp10l.c
+++ b/math/w_exp10l.c
@@ -1,18 +1,22 @@
-/* w_exp10l.c -- long double version of w_exp10.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
 
 /*
  * wrapper exp10l(x)
@@ -21,25 +25,16 @@
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	long double __exp10l(long double x)	/* wrapper exp10 */
-#else
-	long double __exp10l(x)			/* wrapper exp10 */
-	long double x;
-#endif
+long double
+__exp10l (long double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_exp10l(x);
-#else
-	long double z;
-	z = __ieee754_exp10l(x);
-	if(_LIB_VERSION == _IEEE_) return z;
-	if(!__finitel(z) && __finitel(x)) {
-	    /* exp10 overflow (246) if x > 0, underflow (247) if x < 0.  */
-	    return __kernel_standard(x,x,246+__signbitl(x));
-	}
-	return z;
-#endif
+  long double z = __ieee754_exp10l (x);
+  if (__builtin_expect (!__finitel (z), 0)
+      && __finitel (x) && _LIB_VERSION != _IEEE_)
+    /* exp10l overflow (246) if x > 0, underflow (247) if x < 0.  */
+    return __kernel_standard (x, x, 246 + !!__signbitl (x));
+
+  return z;
 }
 weak_alias (__exp10l, exp10l)
 strong_alias (__exp10l, __pow10l)
diff --git a/math/w_exp2.c b/math/w_exp2.c
index c92fb52ad0..bf223265cb 100644
--- a/math/w_exp2.c
+++ b/math/w_exp2.c
@@ -6,28 +6,18 @@
 #include <math.h>
 #include <math_private.h>
 
-static const double o_threshold= (double) DBL_MAX_EXP;
-static const double u_threshold= (double) (DBL_MIN_EXP - DBL_MANT_DIG - 1);
+static const double o_threshold = (double) DBL_MAX_EXP;
+static const double u_threshold = (double) (DBL_MIN_EXP - DBL_MANT_DIG - 1);
 
 double
-__exp2 (double x)		/* wrapper exp2 */
+__exp2 (double x)
 {
-#ifdef _IEEE_LIBM
+  if (__builtin_expect (x <= u_threshold || x > o_threshold, 0)
+      && _LIB_VERSION != _IEEE_ && __finite (x))
+    /* exp2 overflow: 44, exp2 underflow: 45 */
+    return __kernel_standard (x, x, 44 + (x <= o_threshold));
+
   return __ieee754_exp2 (x);
-#else
-  double z;
-  z = __ieee754_exp2 (x);
-  if (_LIB_VERSION != _IEEE_ && __finite (x))
-    {
-      if (x > o_threshold)
-	/* exp2 overflow */
-	return __kernel_standard (x, x, 44);
-      else if (x <= u_threshold)
-	/* exp2 underflow */
-	return __kernel_standard (x, x, 45);
-    }
-  return z;
-#endif
 }
 weak_alias (__exp2, exp2)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_exp2f.c b/math/w_exp2f.c
index 94c82e206e..7215fcaf4c 100644
--- a/math/w_exp2f.c
+++ b/math/w_exp2f.c
@@ -6,27 +6,17 @@
 #include <math.h>
 #include <math_private.h>
 
-static const float o_threshold= (float) FLT_MAX_EXP;
-static const float u_threshold= (float) (FLT_MIN_EXP - FLT_MANT_DIG - 1);
+static const float o_threshold = (float) FLT_MAX_EXP;
+static const float u_threshold = (float) (FLT_MIN_EXP - FLT_MANT_DIG - 1);
 
 float
-__exp2f (float x)		/* wrapper exp2f */
+__exp2f (float x)
 {
-#ifdef _IEEE_LIBM
+  if (__builtin_expect (x <= u_threshold || x > o_threshold, 0)
+      && _LIB_VERSION != _IEEE_ && __finitef (x))
+    /* exp2 overflow: 144, exp2 underflow: 145 */
+    return __kernel_standard_f (x, x, 144 + (x <= o_threshold));
+
   return __ieee754_exp2f (x);
-#else
-  float z;
-  z = __ieee754_exp2f (x);
-  if (_LIB_VERSION != _IEEE_ && __finitef (x))
-    {
-      if (x > o_threshold)
-	/* exp2 overflow */
-	return (float) __kernel_standard ((double) x, (double) x, 144);
-      else if (x <= u_threshold)
-	/* exp2 underflow */
-	return (float) __kernel_standard ((double) x, (double) x, 145);
-    }
-  return z;
-#endif
 }
 weak_alias (__exp2f, exp2f)
diff --git a/math/w_exp2l.c b/math/w_exp2l.c
index f54e3946d8..ac8d231e2c 100644
--- a/math/w_exp2l.c
+++ b/math/w_exp2l.c
@@ -11,21 +11,13 @@ static const long double u_threshold
   = (long double) (LDBL_MIN_EXP - LDBL_MANT_DIG - 1);
 
 long double
-__exp2l (long double x)			/* wrapper exp2l */
+__exp2l (long double x)
 {
-#ifdef _IEEE_LIBM
+  if (__builtin_expect (x <= u_threshold || x > o_threshold, 0)
+      && _LIB_VERSION != _IEEE_ && __finitel (x))
+    /* exp2 overflow: 244, exp2 underflow: 245 */
+    return __kernel_standard (x, x, 244 + (x <= o_threshold));
+
   return __ieee754_exp2l (x);
-#else
-  long double z;
-  z = __ieee754_exp2l (x);
-  if (_LIB_VERSION != _IEEE_ && __finitel (x))
-    {
-      if (x > o_threshold)
-	return __kernel_standard (x, x, 244); /* exp2l overflow */
-      else if (x <= u_threshold)
-	return __kernel_standard (x, x, 245); /* exp2l underflow */
-    }
-  return z;
-#endif
 }
 weak_alias (__exp2l, exp2l)
diff --git a/math/w_fmod.c b/math/w_fmod.c
index b93ff8935e..d38ae8c5aa 100644
--- a/math/w_fmod.c
+++ b/math/w_fmod.c
@@ -1,46 +1,35 @@
-/* @(#)w_fmod.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_fmod.c,v 1.6 1995/05/10 20:48:55 jtc Exp $";
-#endif
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper fmod(x,y)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <math.h>
 #include <math_private.h>
 
-
-#ifdef __STDC__
-	double __fmod(double x, double y)	/* wrapper fmod */
-#else
-	double __fmod(x,y)		/* wrapper fmod */
-	double x,y;
-#endif
+/* wrapper fmod */
+double
+__fmod (double x, double y)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_fmod(x,y);
-#else
-	double z;
-	z = __ieee754_fmod(x,y);
-	if(_LIB_VERSION == _IEEE_ ||__isnan(y)||__isnan(x)) return z;
-	if(__isinf_ns(x)||y==0.0) {
-		/* fmod(+-Inf,y) or fmod(x,0) */
-		return __kernel_standard(x,y,27);
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (__isinf_ns (x) || y == 0.0, 0)
+      && _LIB_VERSION != _IEEE_ && !__isnan (y) && !__isnan (x))
+    /* fmod(+-Inf,y) or fmod(x,0) */
+    return __kernel_standard (x, y, 27);
+
+  return __ieee754_fmod (x, y);
 }
 weak_alias (__fmod, fmod)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_fmodf.c b/math/w_fmodf.c
index 12e2fb3cf8..c0370cf6f3 100644
--- a/math/w_fmodf.c
+++ b/math/w_fmodf.c
@@ -1,48 +1,34 @@
-/* w_fmodf.c -- float version of w_fmod.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_fmodf.c,v 1.3 1995/05/10 20:48:57 jtc Exp $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper fmodf(x,y)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <math.h>
 #include <math_private.h>
 
-
-#ifdef __STDC__
-	float __fmodf(float x, float y)	/* wrapper fmodf */
-#else
-	float __fmodf(x,y)		/* wrapper fmodf */
-	float x,y;
-#endif
+/* wrapper fmodf */
+float
+__fmodf (float x, float y)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_fmodf(x,y);
-#else
-	float z;
-	z = __ieee754_fmodf(x,y);
-	if(_LIB_VERSION == _IEEE_ ||__isnanf(y)||__isnanf(x)) return z;
-	if(__isinf_nsf(x)||y==(float)0.0) {
-		/* fmodf(+-Inf,y) or fmodf(x,0) */
-		return (float)__kernel_standard((double)x,(double)y,127);
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (__isinf_nsf (x) || y == 0.0f, 0)
+      && _LIB_VERSION != _IEEE_ && !__isnanf (y) && !__isnanf (x))
+    /* fmod(+-Inf,y) or fmod(x,0) */
+    return __kernel_standard_f (x, y, 127);
+
+  return __ieee754_fmodf (x, y);
 }
 weak_alias (__fmodf, fmodf)
diff --git a/math/w_fmodl.c b/math/w_fmodl.c
index ffc77adf09..d236fb9fdb 100644
--- a/math/w_fmodl.c
+++ b/math/w_fmodl.c
@@ -1,49 +1,34 @@
-/* w_fmodl.c -- long double version of w_fmod.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper fmodl(x,y)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <math.h>
 #include <math_private.h>
 
-
-#ifdef __STDC__
-	long double __fmodl(long double x, long double y)/* wrapper fmodl */
-#else
-	long double __fmodl(x,y)		/* wrapper fmodl */
-	long double x,y;
-#endif
+/* wrapper fmodl */
+long double
+__fmodl (long double x, long double y)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_fmodl(x,y);
-#else
-	long double z;
-	z = __ieee754_fmodl(x,y);
-	if(_LIB_VERSION == _IEEE_ ||__isnanl(y)||__isnanl(x)) return z;
-	if(__isinf_nsl(x)||y==0.0) {
-		/* fmodl(+-Inf,y) or fmodl(x,0) */
-		return __kernel_standard(x,y,227);
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (__isinf_nsl (x) || y == 0.0L, 0)
+      && _LIB_VERSION != _IEEE_ && !__isnanl (y) && !__isnanl (x))
+    /* fmod(+-Inf,y) or fmod(x,0) */
+    return __kernel_standard (x, y, 227);
+
+  return __ieee754_fmodl (x, y);
 }
 weak_alias (__fmodl, fmodl)
diff --git a/math/w_hypot.c b/math/w_hypot.c
index df69ed383b..2c6de28600 100644
--- a/math/w_hypot.c
+++ b/math/w_hypot.c
@@ -10,10 +10,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_hypot.c,v 1.6 1995/05/10 20:49:07 jtc Exp $";
-#endif
-
 /*
  * wrapper hypot(x,y)
  */
@@ -22,24 +18,15 @@ static char rcsid[] = "$NetBSD: w_hypot.c,v 1.6 1995/05/10 20:49:07 jtc Exp $";
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	double __hypot(double x, double y)/* wrapper hypot */
-#else
-	double __hypot(x,y)		/* wrapper hypot */
-	double x,y;
-#endif
+double
+__hypot (double x, double y)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_hypot(x,y);
-#else
-	double z;
-	z = __ieee754_hypot(x,y);
-	if(_LIB_VERSION == _IEEE_) return z;
-	if((!__finite(z))&&__finite(x)&&__finite(y))
-	    return __kernel_standard(x,y,4); /* hypot overflow */
-	else
-	    return z;
-#endif
+	double z = __ieee754_hypot(x,y);
+	if(__builtin_expect(!__finite(z), 0)
+	   && __finite(x) && __finite(y) && _LIB_VERSION != _IEEE_)
+	    return __kernel_standard(x, y, 4); /* hypot overflow */
+
+	return z;
 }
 weak_alias (__hypot, hypot)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_hypotf.c b/math/w_hypotf.c
index e1f074f75e..6042b8802d 100644
--- a/math/w_hypotf.c
+++ b/math/w_hypotf.c
@@ -8,15 +8,11 @@
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_hypotf.c,v 1.3 1995/05/10 20:49:09 jtc Exp $";
-#endif
-
 /*
  * wrapper hypotf(x,y)
  */
@@ -25,24 +21,15 @@ static char rcsid[] = "$NetBSD: w_hypotf.c,v 1.3 1995/05/10 20:49:09 jtc Exp $";
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	float __hypotf(float x, float y)	/* wrapper hypotf */
-#else
-	float __hypotf(x,y)		/* wrapper hypotf */
-	float x,y;
-#endif
+float
+__hypotf(float x, float y)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_hypotf(x,y);
-#else
-	float z;
-	z = __ieee754_hypotf(x,y);
-	if(_LIB_VERSION == _IEEE_) return z;
-	if((!__finitef(z))&&__finitef(x)&&__finitef(y))
+	float z = __ieee754_hypotf(x,y);
+	if(__builtin_expect(!__finitef(z), 0)
+	   && __finitef(x) && __finitef(y) && _LIB_VERSION != _IEEE_)
 	    /* hypot overflow */
-	    return (float)__kernel_standard((double)x,(double)y,104);
-	else
-	    return z;
-#endif
+	    return __kernel_standard_f(x, y, 104);
+
+	return z;
 }
 weak_alias (__hypotf, hypotf)
diff --git a/math/w_hypotl.c b/math/w_hypotl.c
index 6b6414da22..522eb63c39 100644
--- a/math/w_hypotl.c
+++ b/math/w_hypotl.c
@@ -14,10 +14,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
-
 /*
  * wrapper hypotl(x,y)
  */
@@ -26,23 +22,15 @@ static char rcsid[] = "$NetBSD: $";
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	long double __hypotl(long double x, long double y)/* wrapper hypotl */
-#else
-	long double __hypotl(x,y)			 /* wrapper hypotl */
-	long double x,y;
-#endif
+long double
+__hypotl(long double x, long double y)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_hypotl(x,y);
-#else
 	long double z;
 	z = __ieee754_hypotl(x,y);
-	if(_LIB_VERSION == _IEEE_) return z;
-	if((!__finitel(z))&&__finitel(x)&&__finitel(y))
-	    return __kernel_standard(x,y,204); /* hypot overflow */
-	else
-	    return z;
-#endif
+	if(__builtin_expect(!__finitel(z), 0)
+	   && __finitel(x) && __finitel(y) && _LIB_VERSION != _IEEE_)
+	    return __kernel_standard(x, y, 204); /* hypot overflow */
+
+	return z;
 }
 weak_alias (__hypotl, hypotl)
diff --git a/math/w_j0.c b/math/w_j0.c
index 59b6b66d0a..361352048c 100644
--- a/math/w_j0.c
+++ b/math/w_j0.c
@@ -1,75 +1,63 @@
-/* @(#)w_j0.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_j0.c,v 1.6 1995/05/10 20:49:11 jtc Exp $";
-#endif
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper j0(double x), y0(double x)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	double j0(double x)		/* wrapper j0 */
-#else
-	double j0(x)			/* wrapper j0 */
-	double x;
-#endif
+
+/* wrapper j0 */
+double
+j0 (double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_j0(x);
-#else
-	double z = __ieee754_j0(x);
-	if(_LIB_VERSION == _IEEE_ || __isnan(x)) return z;
-	if(fabs(x)>X_TLOSS) {
-	        return __kernel_standard(x,x,34); /* j0(|x|>X_TLOSS) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (fabs (x) > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
+    /* j0(|x|>X_TLOSS) */
+    return __kernel_standard (x, x, 34);
+
+  return __ieee754_j0 (x);
 }
 #ifdef NO_LONG_DOUBLE
 strong_alias (j0, j0l)
 #endif
 
 
-#ifdef __STDC__
-	double y0(double x)		/* wrapper y0 */
-#else
-	double y0(x)			/* wrapper y0 */
-	double x;
-#endif
+/* wrapper y0 */
+double
+y0 (double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_y0(x);
-#else
-	double z;
-	z = __ieee754_y0(x);
-	if(_LIB_VERSION == _IEEE_ || __isnan(x) ) return z;
-        if(x <= 0.0){
-                if(x==0.0)
-                    /* d= -one/(x-x); */
-                    return __kernel_standard(x,x,8);
-                else
-                    /* d = zero/(x-x); */
-                    return __kernel_standard(x,x,9);
-        }
-	if(x>X_TLOSS) {
-	        return __kernel_standard(x,x,35); /* y0(x>X_TLOSS) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (x <= 0.0 || x > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
+    {
+      if (x < 0.0)
+	{
+	  /* d = zero/(x-x) */
+	  feraiseexcept (FE_INVALID);
+	  return __kernel_standard (x, x, 9);
+	}
+      else if (x == 0.0)
+	/* d = -one/(x-x) */
+	return __kernel_standard (x, x, 8);
+      else
+	/* y0(x>X_TLOSS) */
+	return __kernel_standard (x, x, 35);
+    }
+
+  return __ieee754_y0 (x);
 }
 #ifdef NO_LONG_DOUBLE
 strong_alias (y0, y0l)
diff --git a/math/w_j0f.c b/math/w_j0f.c
index dd436fff59..ff1ac3ca3d 100644
--- a/math/w_j0f.c
+++ b/math/w_j0f.c
@@ -1,74 +1,60 @@
-/* w_j0f.c -- float version of w_j0.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_j0f.c,v 1.3 1995/05/10 20:49:13 jtc Exp $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper j0f(float x), y0f(float x)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	float j0f(float x)		/* wrapper j0f */
-#else
-	float j0f(x)			/* wrapper j0f */
-	float x;
-#endif
+
+/* wrapper j0f */
+float
+j0f (float x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_j0f(x);
-#else
-	float z = __ieee754_j0f(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanf(x)) return z;
-	if(fabsf(x)>(float)X_TLOSS) {
-		/* j0f(|x|>X_TLOSS) */
-	        return (float)__kernel_standard((double)x,(double)x,134);
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (fabsf (x) > (float) X_TLOSS, 0)
+      && _LIB_VERSION != _IEEE_)
+    /* j0(|x|>X_TLOSS) */
+    return __kernel_standard_f (x, x, 134);
+
+  return __ieee754_j0f (x);
 }
 
-#ifdef __STDC__
-	float y0f(float x)		/* wrapper y0f */
-#else
-	float y0f(x)			/* wrapper y0f */
-	float x;
-#endif
+
+/* wrapper y0f */
+float
+y0f (float x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_y0f(x);
-#else
-	float z;
-	z = __ieee754_y0f(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanf(x) ) return z;
-        if(x <= (float)0.0){
-                if(x==(float)0.0)
-                    /* d= -one/(x-x); */
-                    return (float)__kernel_standard((double)x,(double)x,108);
-                else
-                    /* d = zero/(x-x); */
-                    return (float)__kernel_standard((double)x,(double)x,109);
-        }
-	if(x>(float)X_TLOSS) {
-		/* y0(x>X_TLOSS) */
-	        return (float)__kernel_standard((double)x,(double)x,135);
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (x <= 0.0f || x > (float) X_TLOSS, 0)
+      && _LIB_VERSION != _IEEE_)
+    {
+      if (x < 0.0f)
+	{
+	  /* d = zero/(x-x) */
+	  feraiseexcept (FE_INVALID);
+	  return __kernel_standard_f (x, x, 109);
+	}
+      else if (x == 0.0f)
+	/* d = -one/(x-x) */
+	return __kernel_standard_f (x, x, 108);
+      else
+	/* y0(x>X_TLOSS) */
+	return __kernel_standard_f (x, x, 135);
+    }
+
+  return __ieee754_y0f (x);
 }
diff --git a/math/w_j0l.c b/math/w_j0l.c
index a91457d374..a16363d53a 100644
--- a/math/w_j0l.c
+++ b/math/w_j0l.c
@@ -1,76 +1,60 @@
-/* w_j0l.c -- long double version of w_j0.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper j0l(long double x), y0l(long double x)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	long double __j0l(long double x)		/* wrapper j0l */
-#else
-	long double __j0l(x)				/* wrapper j0 */
-	long double x;
-#endif
+
+/* wrapper j0l */
+long double
+__j0l (long double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_j0l(x);
-#else
-	long double z = __ieee754_j0l(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
-	if(fabsl(x)>X_TLOSS) {
-	        return __kernel_standard(x,x,234); /* j0(|x|>X_TLOSS) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (fabsl (x) > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
+    /* j0(|x|>X_TLOSS) */
+    return __kernel_standard (x, x, 234);
+
+  return __ieee754_j0l (x);
 }
 weak_alias (__j0l, j0l)
 
-#ifdef __STDC__
-	long double __y0l(long double x)		/* wrapper y0l */
-#else
-	long double __y0l(x)				/* wrapper y0 */
-	long double x;
-#endif
+
+/* wrapper y0l */
+long double
+__y0l (long double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_y0l(x);
-#else
-	long double z;
-	z = __ieee754_y0l(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanl(x) ) return z;
-        if(x <= 0.0){
-                if(x==0.0)
-                    /* d= -one/(x-x); */
-                    return __kernel_standard(x,x,208);
-                else
-                    /* d = zero/(x-x); */
-                    return __kernel_standard(x,x,209);
-        }
-	if(x>X_TLOSS) {
-	        return __kernel_standard(x,x,235); /* y0(x>X_TLOSS) */
-	} else
-	    return z;
-#endif
-}
+  if (__builtin_expect (x <= 0.0L || x > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
+    {
+      if (x < 0.0L)
+	{
+	  /* d = zero/(x-x) */
+	  feraiseexcept (FE_INVALID);
+	  return __kernel_standard (x, x, 209);
+	}
+      else if (x == 0.0L)
+	/* d = -one/(x-x) */
+	return __kernel_standard (x, x, 208);
+      else
+	/* y0(x>X_TLOSS) */
+	return __kernel_standard (x, x, 235);
+    }
 
+  return __ieee754_y0l (x);
+}
 weak_alias (__y0l, y0l)
diff --git a/math/w_j1.c b/math/w_j1.c
index 7bb3208a74..09cacb82c5 100644
--- a/math/w_j1.c
+++ b/math/w_j1.c
@@ -1,76 +1,63 @@
-/* @(#)w_j1.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_j1.c,v 1.6 1995/05/10 20:49:15 jtc Exp $";
-#endif
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper of j1,y1
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	double j1(double x)		/* wrapper j1 */
-#else
-	double j1(x)			/* wrapper j1 */
-	double x;
-#endif
+
+/* wrapper j1 */
+double
+j1 (double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_j1(x);
-#else
-	double z;
-	z = __ieee754_j1(x);
-	if(_LIB_VERSION == _IEEE_ || __isnan(x) ) return z;
-	if(fabs(x)>X_TLOSS) {
-	        return __kernel_standard(x,x,36); /* j1(|x|>X_TLOSS) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (fabs (x) > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
+    /* j1(|x|>X_TLOSS) */
+    return __kernel_standard (x, x, 36);
+
+  return __ieee754_j1 (x);
 }
 #ifdef NO_LONG_DOUBLE
 strong_alias (j1, j1l)
 #endif
 
 
-#ifdef __STDC__
-	double y1(double x)		/* wrapper y1 */
-#else
-	double y1(x)			/* wrapper y1 */
-	double x;
-#endif
+/* wrapper y1 */
+double
+y1 (double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_y1(x);
-#else
-	double z;
-	z = __ieee754_y1(x);
-	if(_LIB_VERSION == _IEEE_ || __isnan(x) ) return z;
-        if(x <= 0.0){
-                if(x==0.0)
-                    /* d= -one/(x-x); */
-                    return __kernel_standard(x,x,10);
-                else
-                    /* d = zero/(x-x); */
-                    return __kernel_standard(x,x,11);
-        }
-	if(x>X_TLOSS) {
-	        return __kernel_standard(x,x,37); /* y1(x>X_TLOSS) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (x <= 0.0 || x > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
+    {
+      if (x < 0.0)
+	{
+	  /* d = zero/(x-x) */
+	  feraiseexcept (FE_INVALID);
+	  return __kernel_standard (x, x, 11);
+	}
+      else if (x == 0.0)
+	/* d = -one/(x-x) */
+	return __kernel_standard (x, x, 10);
+      else
+	/* y1(x>X_TLOSS) */
+	return __kernel_standard (x, x, 37);
+    }
+
+  return __ieee754_y1 (x);
 }
 #ifdef NO_LONG_DOUBLE
 strong_alias (y1, y1l)
diff --git a/math/w_j1f.c b/math/w_j1f.c
index 43dfc6142e..40a2cf3022 100644
--- a/math/w_j1f.c
+++ b/math/w_j1f.c
@@ -1,75 +1,59 @@
-/* w_j1f.c -- float version of w_j1.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_j1f.c,v 1.3 1995/05/10 20:49:17 jtc Exp $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper of j1f,y1f
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	float j1f(float x)		/* wrapper j1f */
-#else
-	float j1f(x)			/* wrapper j1f */
-	float x;
-#endif
+
+/* wrapper j1f */
+float
+j1f (float x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_j1f(x);
-#else
-	float z;
-	z = __ieee754_j1f(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanf(x) ) return z;
-	if(fabsf(x)>(float)X_TLOSS) {
-		/* j1(|x|>X_TLOSS) */
-	        return (float)__kernel_standard((double)x,(double)x,136);
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (fabsf (x) > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
+    /* j1(|x|>X_TLOSS) */
+    return __kernel_standard_f (x, x, 136);
+
+  return __ieee754_j1f (x);
 }
 
-#ifdef __STDC__
-	float y1f(float x)		/* wrapper y1f */
-#else
-	float y1f(x)			/* wrapper y1f */
-	float x;
-#endif
+
+/* wrapper y1f */
+float
+y1f (float x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_y1f(x);
-#else
-	float z;
-	z = __ieee754_y1f(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanf(x) ) return z;
-        if(x <= (float)0.0){
-                if(x==(float)0.0)
-                    /* d= -one/(x-x); */
-                    return (float)__kernel_standard((double)x,(double)x,110);
-                else
-                    /* d = zero/(x-x); */
-                    return (float)__kernel_standard((double)x,(double)x,111);
-        }
-	if(x>(float)X_TLOSS) {
-		/* y1(x>X_TLOSS) */
-	        return (float)__kernel_standard((double)x,(double)x,137);
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (x <= 0.0f || x > (float) X_TLOSS, 0)
+      && _LIB_VERSION != _IEEE_)
+    {
+      if (x < 0.0f)
+	{
+	  /* d = zero/(x-x) */
+	  feraiseexcept (FE_INVALID);
+	  return __kernel_standard_f (x, x, 111);
+	}
+      else if (x == 0.0f)
+	/* d = -one/(x-x) */
+	return __kernel_standard_f (x, x, 110);
+      else
+	/* y1(x>X_TLOSS) */
+	return __kernel_standard_f (x, x, 137);
+    }
+
+  return __ieee754_y1f (x);
 }
diff --git a/math/w_j1l.c b/math/w_j1l.c
index d0522953da..91b56e332c 100644
--- a/math/w_j1l.c
+++ b/math/w_j1l.c
@@ -1,76 +1,60 @@
-/* w_j1l.c -- long double version of w_j1.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper of j1l,y1l
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	long double __j1l(long double x)	/* wrapper j1l */
-#else
-	long double __j1l(x)			/* wrapper j1l */
-	long double x;
-#endif
+
+/* wrapper j1l */
+long double
+__j1l (long double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_j1l(x);
-#else
-	long double z;
-	z = __ieee754_j1l(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanl(x) ) return z;
-	if(fabsl(x)>X_TLOSS) {
-	        return __kernel_standard(x,x,236); /* j1(|x|>X_TLOSS) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (fabsl (x) > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
+    /* j1(|x|>X_TLOSS) */
+    return __kernel_standard (x, x, 236);
+
+  return __ieee754_j1l (x);
 }
 weak_alias (__j1l, j1l)
 
-#ifdef __STDC__
-	long double __y1l(long double x)	/* wrapper y1l */
-#else
-	long double __y1l(x)			/* wrapper y1l */
-	long double x;
-#endif
+
+/* wrapper y1l */
+long double
+__y1l (long double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_y1l(x);
-#else
-	long double z;
-	z = __ieee754_y1l(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanl(x) ) return z;
-        if(x <= 0.0){
-                if(x==0.0)
-                    /* d= -one/(x-x); */
-                    return __kernel_standard(x,x,210);
-                else
-                    /* d = zero/(x-x); */
-                    return __kernel_standard(x,x,211);
-        }
-	if(x>X_TLOSS) {
-	        return __kernel_standard(x,x,237); /* y1(x>X_TLOSS) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (x <= 0.0L || x > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
+    {
+      if (x < 0.0L)
+	{
+	  /* d = zero/(x-x) */
+	  feraiseexcept (FE_INVALID);
+	  return __kernel_standard (x, x, 211);
+	}
+      else if (x == 0.0L)
+	/* d = -one/(x-x) */
+	return __kernel_standard (x, x, 210);
+      else
+	/* y1(x>X_TLOSS) */
+	return __kernel_standard (x, x, 237);
+    }
+
+  return __ieee754_y1l (x);
 }
 weak_alias (__y1l, y1l)
diff --git a/math/w_jn.c b/math/w_jn.c
index 41ec8b32d4..36fb448163 100644
--- a/math/w_jn.c
+++ b/math/w_jn.c
@@ -1,98 +1,63 @@
-/* @(#)w_jn.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_jn.c,v 1.6 1995/05/10 20:49:19 jtc Exp $";
-#endif
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper jn(int n, double x), yn(int n, double x)
- * floating point Bessel's function of the 1st and 2nd kind
- * of order n
- *
- * Special cases:
- *	y0(0)=y1(0)=yn(n,0) = -inf with division by zero signal;
- *	y0(-ve)=y1(-ve)=yn(n,-ve) are NaN with invalid signal.
- * Note 2. About jn(n,x), yn(n,x)
- *	For n=0, j0(x) is called,
- *	for n=1, j1(x) is called,
- *	for n<x, forward recursion us used starting
- *	from values of j0(x) and j1(x).
- *	for n>x, a continued fraction approximation to
- *	j(n,x)/j(n-1,x) is evaluated and then backward
- *	recursion is used starting from a supposed value
- *	for j(n,x). The resulting value of j(0,x) is
- *	compared with the actual value to correct the
- *	supposed value of j(n,x).
- *
- *	yn(n,x) is similar in all respects, except
- *	that forward recursion is used for all
- *	values of n>1.
- *
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	double jn(int n, double x)	/* wrapper jn */
-#else
-	double jn(n,x)			/* wrapper jn */
-	double x; int n;
-#endif
+
+/* wrapper jn */
+double
+jn (int n, double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_jn(n,x);
-#else
-	double z;
-	z = __ieee754_jn(n,x);
-	if(_LIB_VERSION == _IEEE_ || __isnan(x) ) return z;
-	if(fabs(x)>X_TLOSS) {
-	    return __kernel_standard((double)n,x,38); /* jn(|x|>X_TLOSS,n) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (fabs (x) > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
+    /* jn(n,|x|>X_TLOSS) */
+    return __kernel_standard (n, x, 38);
+
+  return __ieee754_jn (n, x);
 }
 #ifdef NO_LONG_DOUBLE
 strong_alias (jn, jnl)
 #endif
 
 
-#ifdef __STDC__
-	double yn(int n, double x)	/* wrapper yn */
-#else
-	double yn(n,x)			/* wrapper yn */
-	double x; int n;
-#endif
+/* wrapper yn */
+double
+yn (int n, double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_yn(n,x);
-#else
-	double z;
-	z = __ieee754_yn(n,x);
-	if(_LIB_VERSION == _IEEE_ || __isnan(x) ) return z;
-        if(x <= 0.0){
-                if(x==0.0)
-                    /* d= -one/(x-x); */
-                    return __kernel_standard((double)n,x,12);
-                else
-                    /* d = zero/(x-x); */
-                    return __kernel_standard((double)n,x,13);
-        }
-	if(x>X_TLOSS) {
-	    return __kernel_standard((double)n,x,39); /* yn(x>X_TLOSS,n) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (x <= 0.0 || x > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
+    {
+      if (x < 0.0)
+	{
+	  /* d = zero/(x-x) */
+	  feraiseexcept (FE_INVALID);
+	  return __kernel_standard (n, x, 13);
+	}
+      else if (x == 0.0)
+	/* d = -one/(x-x) */
+	return __kernel_standard (n, x, 12);
+      else
+	/* yn(n,x>X_TLOSS) */
+	return __kernel_standard (n, x, 39);
+    }
+
+  return __ieee754_yn (n, x);
 }
 #ifdef NO_LONG_DOUBLE
 strong_alias (yn, ynl)
diff --git a/math/w_jnf.c b/math/w_jnf.c
index 0b9a2aabb9..7b359558f1 100644
--- a/math/w_jnf.c
+++ b/math/w_jnf.c
@@ -1,71 +1,60 @@
-/* w_jnf.c -- float version of w_jn.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_jnf.c,v 1.3 1995/05/10 20:49:21 jtc Exp $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	float jnf(int n, float x)	/* wrapper jnf */
-#else
-	float jnf(n,x)			/* wrapper jnf */
-	float x; int n;
-#endif
+
+/* wrapper jnf */
+float
+jnf (int n, float x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_jnf(n,x);
-#else
-	float z;
-	z = __ieee754_jnf(n,x);
-	if(_LIB_VERSION == _IEEE_ || __isnanf(x) ) return z;
-	if(fabsf(x)>(float)X_TLOSS) {
-	    /* jn(|x|>X_TLOSS,n) */
-	    return (float)__kernel_standard((double)n,(double)x,138);
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (fabsf (x) > (float) X_TLOSS, 0)
+      && _LIB_VERSION != _IEEE_)
+    /* jn(n,|x|>X_TLOSS) */
+    return __kernel_standard_f (n, x, 138);
+
+  return __ieee754_jnf (n, x);
 }
 
-#ifdef __STDC__
-	float ynf(int n, float x)	/* wrapper ynf */
-#else
-	float ynf(n,x)			/* wrapper ynf */
-	float x; int n;
-#endif
+
+/* wrapper ynf */
+float
+ynf (int n, float x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_ynf(n,x);
-#else
-	float z;
-	z = __ieee754_ynf(n,x);
-	if(_LIB_VERSION == _IEEE_ || __isnanf(x) ) return z;
-        if(x <= (float)0.0){
-                if(x==(float)0.0)
-                    /* d= -one/(x-x); */
-                    return (float)__kernel_standard((double)n,(double)x,112);
-                else
-                    /* d = zero/(x-x); */
-                    return (float)__kernel_standard((double)n,(double)x,113);
-        }
-	if(x>(float)X_TLOSS) {
-	    /* yn(x>X_TLOSS,n) */
-	    return (float)__kernel_standard((double)n,(double)x,139);
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (x <= 0.0f || x > (float) X_TLOSS, 0)
+      && _LIB_VERSION != _IEEE_)
+    {
+      if (x < 0.0f)
+	{
+	  /* d = zero/(x-x) */
+	  feraiseexcept (FE_INVALID);
+	  return __kernel_standard_f (n, x, 113);
+	}
+      else if (x == 0.0)
+	/* d = -one/(x-x) */
+	return __kernel_standard_f (n, x, 112);
+      else
+	/* yn(n,x>X_TLOSS) */
+	return __kernel_standard_f (n, x, 139);
+    }
+
+  return __ieee754_ynf (n, x);
 }
diff --git a/math/w_lgamma.c b/math/w_lgamma.c
index f76b552be0..17c546059d 100644
--- a/math/w_lgamma.c
+++ b/math/w_lgamma.c
@@ -10,10 +10,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_lgamma.c,v 1.6 1995/05/10 20:49:24 jtc Exp $";
-#endif
-
 /* double lgamma(double x)
  * Return the logarithm of the Gamma function of x.
  *
@@ -23,31 +19,24 @@ static char rcsid[] = "$NetBSD: w_lgamma.c,v 1.6 1995/05/10 20:49:24 jtc Exp $";
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	double __lgamma(double x)
-#else
-	double __lgamma(x)
-	double x;
-#endif
+double
+__lgamma(double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_lgamma_r(x,&signgam);
-#else
-        double y;
 	int local_signgam = 0;
-        y = __ieee754_lgamma_r(x,&local_signgam);
-	if (_LIB_VERSION != _ISOC_)
-	  /* ISO C99 does not define the global variable.  */
-	  signgam = local_signgam;
-        if(_LIB_VERSION == _IEEE_) return y;
-        if(!__finite(y)&&__finite(x)) {
-            if(__floor(x)==x&&x<=0.0)
-                return __kernel_standard(x,x,15); /* lgamma pole */
-            else
-                return __kernel_standard(x,x,14); /* lgamma overflow */
-        } else
-            return y;
-#endif
+	double y = __ieee754_lgamma_r(x,
+				      _LIB_VERSION != _ISOC_
+				      /* ISO C99 does not define the
+					 global variable.  */
+				      ? &signgam
+				      : &local_signgam);
+	if(__builtin_expect(!__finite(y), 0)
+	   && __finite(x) && _LIB_VERSION != _IEEE_)
+		return __kernel_standard(x, x,
+					 __floor(x)==x&&x<=0.0
+					 ? 15 /* lgamma pole */
+					 : 14); /* lgamma overflow */
+
+	return y;
 }
 weak_alias (__lgamma, lgamma)
 strong_alias (__lgamma, __gamma)
diff --git a/math/w_lgamma_r.c b/math/w_lgamma_r.c
index bec2c6e20a..9d00f58ab7 100644
--- a/math/w_lgamma_r.c
+++ b/math/w_lgamma_r.c
@@ -10,10 +10,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_lgamma_r.c,v 1.6 1995/05/10 20:49:27 jtc Exp $";
-#endif
-
 /*
  * wrapper double lgamma_r(double x, int *signgamp)
  */
@@ -22,27 +18,18 @@ static char rcsid[] = "$NetBSD: w_lgamma_r.c,v 1.6 1995/05/10 20:49:27 jtc Exp $
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	double __lgamma_r(double x, int *signgamp) /* wrapper lgamma_r */
-#else
-	double __lgamma_r(x,signgamp)              /* wrapper lgamma_r */
-        double x; int *signgamp;
-#endif
+double
+__lgamma_r(double x, int *signgamp)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_lgamma_r(x,signgamp);
-#else
-        double y;
-        y = __ieee754_lgamma_r(x,signgamp);
-        if(_LIB_VERSION == _IEEE_) return y;
-        if(!__finite(y)&&__finite(x)) {
-            if(__floor(x)==x&&x<=0.0)
-                return __kernel_standard(x,x,15); /* lgamma pole */
-            else
-                return __kernel_standard(x,x,14); /* lgamma overflow */
-        } else
-            return y;
-#endif
+	double y = __ieee754_lgamma_r(x,signgamp);
+	if(__builtin_expect(!__finite(y), 0)
+	   && __finite(x) && _LIB_VERSION != _IEEE_)
+		return __kernel_standard(x, x,
+					 __floor(x)==x&&x<=0.0
+					 ? 15 /* lgamma pole */
+					 : 14); /* lgamma overflow */
+
+	return y;
 }
 weak_alias (__lgamma_r, lgamma_r)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_lgammaf.c b/math/w_lgammaf.c
index 9747e9216a..f3166dfd33 100644
--- a/math/w_lgammaf.c
+++ b/math/w_lgammaf.c
@@ -13,40 +13,27 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_lgammaf.c,v 1.3 1995/05/10 20:49:30 jtc Exp $";
-#endif
-
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	float __lgammaf(float x)
-#else
-	float __lgammaf(x)
-	float x;
-#endif
+float
+__lgammaf(float x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_lgammaf_r(x,&signgam);
-#else
-        float y;
 	int local_signgam = 0;
-        y = __ieee754_lgammaf_r(x,&local_signgam);
-	if (_LIB_VERSION != _ISOC_)
-	  /* ISO C99 does not define the global variable.  */
-	  signgam = local_signgam;
-        if(_LIB_VERSION == _IEEE_) return y;
-        if(!__finitef(y)&&__finitef(x)) {
-            if(__floorf(x)==x&&x<=(float)0.0)
-	        /* lgamma pole */
-                return (float)__kernel_standard((double)x,(double)x,115);
-            else
-	        /* lgamma overflow */
-                return (float)__kernel_standard((double)x,(double)x,114);
-        } else
-            return y;
-#endif
+	float y = __ieee754_lgammaf_r(x,
+				      _LIB_VERSION != _ISOC_
+				      /* ISO C99 does not define the
+					 global variable.  */
+				      ? &signgam
+				      : &local_signgam);
+	if(__builtin_expect(!__finitef(y), 0)
+	   && __finitef(x) && _LIB_VERSION != _IEEE_)
+		return __kernel_standard_f(x, x,
+					   __floorf(x)==x&&x<=0.0f
+					   ? 115 /* lgamma pole */
+					   : 114); /* lgamma overflow */
+
+	return y;
 }
 weak_alias (__lgammaf, lgammaf)
 strong_alias (__lgammaf, __gammaf)
diff --git a/math/w_lgammaf_r.c b/math/w_lgammaf_r.c
index 3758fa0d06..683fe72dc6 100644
--- a/math/w_lgammaf_r.c
+++ b/math/w_lgammaf_r.c
@@ -8,16 +8,12 @@
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_lgammaf_r.c,v 1.3 1995/05/10 20:49:32 jtc Exp $";
-#endif
-
-/* 
+/*
  * wrapper float lgammaf_r(float x, int *signgamp)
  */
 
@@ -25,28 +21,17 @@ static char rcsid[] = "$NetBSD: w_lgammaf_r.c,v 1.3 1995/05/10 20:49:32 jtc Exp
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	float __lgammaf_r(float x, int *signgamp) /* wrapper lgammaf_r */
-#else
-	float __lgammaf_r(x,signgamp)              /* wrapper lgammaf_r */
-        float x; int *signgamp;
-#endif
+float
+__lgammaf_r(float x, int *signgamp)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_lgammaf_r(x,signgamp);
-#else
-        float y;
-        y = __ieee754_lgammaf_r(x,signgamp);
-        if(_LIB_VERSION == _IEEE_) return y;
-        if(!__finitef(y)&&__finitef(x)) {
-            if(__floorf(x)==x&&x<=(float)0.0)
-	        /* lgamma pole */
-                return (float)__kernel_standard((double)x,(double)x,115);
-            else
-	        /* lgamma overflow */
-	        return (float)__kernel_standard((double)x,(double)x,114);
-        } else
-            return y;
-#endif
-}             
+	float y = __ieee754_lgammaf_r(x,signgamp);
+	if(__builtin_expect(!__finitef(y), 0)
+	   && __finitef(x) && _LIB_VERSION != _IEEE_)
+		return __kernel_standard_f(x, x,
+					   __floorf(x)==x&&x<=0.0f
+					   ? 115 /* lgamma pole */
+					   : 114); /* lgamma overflow */
+
+	return y;
+}
 weak_alias (__lgammaf_r, lgammaf_r)
diff --git a/math/w_lgammal.c b/math/w_lgammal.c
index 0176243c4a..7df38e761b 100644
--- a/math/w_lgammal.c
+++ b/math/w_lgammal.c
@@ -14,10 +14,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
-
 /* long double lgammal(long double x)
  * Return the logarithm of the Gamma function of x.
  *
@@ -27,31 +23,24 @@ static char rcsid[] = "$NetBSD: $";
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	long double __lgammal(long double x)
-#else
-	long double __lgammal(x)
-	long double x;
-#endif
+long double
+__lgammal(long double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_lgammal_r(x,&signgam);
-#else
-        long double y;
 	int local_signgam = 0;
-        y = __ieee754_lgammal_r(x,&local_signgam);
-	if (_LIB_VERSION != _ISOC_)
-	  /* ISO C99 does not define the global variable.  */
-	  signgam = local_signgam;
-        if(_LIB_VERSION == _IEEE_) return y;
-        if(!__finitel(y)&&__finitel(x)) {
-            if(__floorl(x)==x&&x<=0.0)
-                return __kernel_standard(x,x,215); /* lgamma pole */
-            else
-                return __kernel_standard(x,x,214); /* lgamma overflow */
-        } else
-            return y;
-#endif
+	long double y = __ieee754_lgammal_r(x,
+					    _LIB_VERSION != _ISOC_
+					    /* ISO C99 does not define the
+					       global variable.  */
+					    ? &signgam
+					    : &local_signgam);
+	if(__builtin_expect(!__finitel(y), 0)
+	   && __finitel(x) && _LIB_VERSION != _IEEE_)
+		return __kernel_standard(x, x,
+					 __floorl(x)==x&&x<=0.0L
+					 ? 215 /* lgamma pole */
+					 : 214); /* lgamma overflow */
+
+	return y;
 }
 weak_alias (__lgammal, lgammal)
 strong_alias (__lgammal, __gammal)
diff --git a/math/w_lgammal_r.c b/math/w_lgammal_r.c
index baa4f95393..ec3428486a 100644
--- a/math/w_lgammal_r.c
+++ b/math/w_lgammal_r.c
@@ -14,10 +14,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
-
 /*
  * wrapper long double lgammal_r(long double x, int *signgamp)
  */
@@ -26,27 +22,17 @@ static char rcsid[] = "$NetBSD: $";
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	long double __lgammal_r(long double x, int *signgamp)
-		/* wrapper lgamma_r */
-#else
-	long double __lgammal_r(x,signgamp)             /* wrapper lgamma_r */
-        long double x; int *signgamp;
-#endif
+long double
+__lgammal_r(long double x, int *signgamp)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_lgammal_r(x,signgamp);
-#else
-        long double y;
-        y = __ieee754_lgammal_r(x,signgamp);
-        if(_LIB_VERSION == _IEEE_) return y;
-        if(!__finitel(y)&&__finitel(x)) {
-            if(__floorl(x)==x&&x<=0.0)
-                return __kernel_standard(x,x,215); /* lgamma pole */
-            else
-                return __kernel_standard(x,x,214); /* lgamma overflow */
-        } else
-            return y;
-#endif
+	long double y = __ieee754_lgammal_r(x,signgamp);
+	if(__builtin_expect(!__finitel(y), 0)
+	   && __finitel(x) && _LIB_VERSION != _IEEE_)
+		return __kernel_standard(x, x,
+					 __floorl(x)==x&&x<=0.0
+					 ? 215 /* lgamma pole */
+					 : 214); /* lgamma overflow */
+
+	return y;
 }
 weak_alias (__lgammal_r, lgammal_r)
diff --git a/math/w_log.c b/math/w_log.c
index 7e9afdf2b8..b43af792c5 100644
--- a/math/w_log.c
+++ b/math/w_log.c
@@ -1,45 +1,46 @@
-/* @(#)w_log.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_log.c,v 1.6 1995/05/10 20:49:33 jtc Exp $";
-#endif
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper log(x)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	double __log(double x)		/* wrapper log */
-#else
-	double __log(x)			/* wrapper log */
-	double x;
-#endif
+/* wrapper log(x) */
+double
+__log (double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_log(x);
-#else
-	double z;
-	z = __ieee754_log(x);
-	if(_LIB_VERSION == _IEEE_ || __isnan(x) || x > 0.0) return z;
-	if(x==0.0)
-	    return __kernel_standard(x,x,16); /* log(0) */
-	else
-	    return __kernel_standard(x,x,17); /* log(x<0) */
-#endif
+  if (__builtin_expect (x <= 0.0, 0) && _LIB_VERSION != _IEEE_)
+    {
+      if (x == 0.0)
+	{
+	  feraiseexcept (FE_DIVBYZERO);
+	  return __kernel_standard (x, x, 16); /* log(0) */
+	}
+      else
+	{
+	  feraiseexcept (FE_INVALID);
+	  return __kernel_standard (x, x, 17); /* log(x<0) */
+	}
+    }
+
+  return  __ieee754_log (x);
 }
 weak_alias (__log, log)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_log10.c b/math/w_log10.c
index 08a65add59..75ae580c9b 100644
--- a/math/w_log10.c
+++ b/math/w_log10.c
@@ -1,48 +1,46 @@
-/* @(#)w_log10.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_log10.c,v 1.6 1995/05/10 20:49:35 jtc Exp $";
-#endif
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper log10(X)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	double __log10(double x)		/* wrapper log10 */
-#else
-	double __log10(x)			/* wrapper log10 */
-	double x;
-#endif
+/* wrapper log10(x) */
+double
+__log10 (double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_log10(x);
-#else
-	double z;
-	z = __ieee754_log10(x);
-	if(_LIB_VERSION == _IEEE_ || __isnan(x)) return z;
-	if(x<=0.0) {
-	    if(x==0.0)
-	        return __kernel_standard(x,x,18); /* log10(0) */
-	    else
-	        return __kernel_standard(x,x,19); /* log10(x<0) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (x <= 0.0, 0) && _LIB_VERSION != _IEEE_)
+    {
+      if (x == 0.0)
+	{
+	  feraiseexcept (FE_DIVBYZERO);
+	  return __kernel_standard (x, x, 18); /* log10(0) */
+	}
+      else
+	{
+	  feraiseexcept (FE_INVALID);
+	  return __kernel_standard (x, x, 19); /* log10(x<0) */
+	}
+    }
+
+  return  __ieee754_log10 (x);
 }
 weak_alias (__log10, log10)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_log10f.c b/math/w_log10f.c
index f2ac540f6b..3426e2d05b 100644
--- a/math/w_log10f.c
+++ b/math/w_log10f.c
@@ -1,52 +1,45 @@
-/* w_log10f.c -- float version of w_log10.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_log10f.c,v 1.3 1995/05/10 20:49:37 jtc Exp $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/* 
- * wrapper log10f(X)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	float __log10f(float x)		/* wrapper log10f */
-#else
-	float __log10f(x)			/* wrapper log10f */
-	float x;
-#endif
+/* wrapper log10f(x) */
+float
+__log10f (float x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_log10f(x);
-#else
-	float z;
-	z = __ieee754_log10f(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanf(x)) return z;
-	if(x<=(float)0.0) {
-	    if(x==(float)0.0)
-	        /* log10(0) */
-	        return (float)__kernel_standard((double)x,(double)x,118);
-	    else 
-	        /* log10(x<0) */
-	        return (float)__kernel_standard((double)x,(double)x,119);
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (x <= 0.0f, 0) && _LIB_VERSION != _IEEE_)
+    {
+      if (x == 0.0f)
+	{
+	  feraiseexcept (FE_DIVBYZERO);
+	  return __kernel_standard_f (x, x, 118); /* log10(0) */
+	}
+      else
+	{
+	  feraiseexcept (FE_INVALID);
+	  return __kernel_standard_f (x, x, 119); /* log10(x<0) */
+	}
+    }
+
+  return  __ieee754_log10f (x);
 }
 weak_alias (__log10f, log10f)
diff --git a/math/w_log10l.c b/math/w_log10l.c
index a9a8ed27d8..6f81f3961a 100644
--- a/math/w_log10l.c
+++ b/math/w_log10l.c
@@ -1,51 +1,45 @@
-/* w_log10l.c -- long double version of w_log10.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper log10l(X)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	long double __log10l(long double x)	/* wrapper log10l */
-#else
-	long double __log10l(x)			/* wrapper log10l */
-	long double x;
-#endif
+/* wrapper log10l(x) */
+long double
+__log10l (long double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_log10l(x);
-#else
-	long double z;
-	z = __ieee754_log10l(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
-	if(x<=0.0) {
-	    if(x==0.0)
-	        return __kernel_standard(x,x,218); /* log10(0) */
-	    else
-	        return __kernel_standard(x,x,219); /* log10(x<0) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (x <= 0.0L, 0) && _LIB_VERSION != _IEEE_)
+    {
+      if (x == 0.0L)
+	{
+	  feraiseexcept (FE_DIVBYZERO);
+	  return __kernel_standard (x, x, 218); /* log10(0) */
+	}
+      else
+	{
+	  feraiseexcept (FE_INVALID);
+	  return __kernel_standard (x, x, 219); /* log10(x<0) */
+	}
+    }
+
+  return  __ieee754_log10l (x);
 }
 weak_alias (__log10l, log10l)
diff --git a/math/w_log2.c b/math/w_log2.c
index 90d2dff5d6..6d420438d4 100644
--- a/math/w_log2.c
+++ b/math/w_log2.c
@@ -1,29 +1,46 @@
-/*
- * wrapper log2(X)
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
+
+/* wrapper log2(x) */
 double
-__log2 (double x)	/* wrapper log2 */
+__log2 (double x)
 {
-#ifdef _IEEE_LIBM
-  return __ieee754_log2 (x);
-#else
-  double z;
-  z = __ieee754_log2 (x);
-  if (_LIB_VERSION == _IEEE_ || __isnan (x)) return z;
-  if (x <= 0.0)
+  if (__builtin_expect (x <= 0.0, 0) && _LIB_VERSION != _IEEE_)
     {
       if (x == 0.0)
-	return __kernel_standard (x, x, 48); /* log2 (0) */
+	{
+	  feraiseexcept (FE_DIVBYZERO);
+	  return __kernel_standard (x, x, 48); /* log2(0) */
+	}
       else
-	return __kernel_standard (x, x, 49); /* log2 (x < 0) */
+	{
+	  feraiseexcept (FE_INVALID);
+	  return __kernel_standard (x, x, 49); /* log2(x<0) */
+	}
     }
-  else
-    return z;
-#endif
+
+  return  __ieee754_log2 (x);
 }
 weak_alias (__log2, log2)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_log2f.c b/math/w_log2f.c
index 10d73ffd1b..7c64ad8b81 100644
--- a/math/w_log2f.c
+++ b/math/w_log2f.c
@@ -1,30 +1,45 @@
-/*
- * wrapper log2(X)
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
+
+/* wrapper log2f(x) */
 float
-__log2f (float x)	/* wrapper log2f */
+__log2f (float x)
 {
-#ifdef _IEEE_LIBM
-  return __ieee754_log2f (x);
-#else
-  float z;
-  z = __ieee754_log2f (x);
-  if (_LIB_VERSION == _IEEE_ || __isnanf (x)) return z;
-  if (x <= 0.0f)
+  if (__builtin_expect (x <= 0.0f, 0) && _LIB_VERSION != _IEEE_)
     {
-      if (x == 0.0f)
-	/* log2f (0) */
-	return __kernel_standard ((double) x, (double) x, 148);
+      if (x == 0.0)
+	{
+	  feraiseexcept (FE_DIVBYZERO);
+	  return __kernel_standard_f (x, x, 148); /* log2(0) */
+	}
       else
-	/* log2f (x < 0) */
-	return __kernel_standard ((double) x, (double) x, 149);
+	{
+	  feraiseexcept (FE_INVALID);
+	  return __kernel_standard_f (x, x, 149); /* log2(x<0) */
+	}
     }
-  else
-    return z;
-#endif
+
+  return  __ieee754_log2f (x);
 }
 weak_alias (__log2f, log2f)
diff --git a/math/w_log2l.c b/math/w_log2l.c
index ff7ba2621e..f589768b15 100644
--- a/math/w_log2l.c
+++ b/math/w_log2l.c
@@ -1,28 +1,45 @@
-/*
- * wrapper log2l(X)
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
+
+/* wrapper log2l(x) */
 long double
-__log2l (long double x)	/* wrapper log2l */
+__log2l (long double x)
 {
-#ifdef _IEEE_LIBM
-  return __ieee754_log2l (x);
-#else
-  long double z;
-  z = __ieee754_log2l (x);
-  if (_LIB_VERSION == _IEEE_ || __isnanl (x)) return z;
-  if (x <= 0.0)
+  if (__builtin_expect (x <= 0.0L, 0) && _LIB_VERSION != _IEEE_)
     {
-      if (x == 0.0)
-	return __kernel_standard (x, x, 248); /* log2l (0) */
+      if (x == 0.0L)
+	{
+	  feraiseexcept (FE_DIVBYZERO);
+	  return __kernel_standard (x, x, 248); /* log2(0) */
+	}
       else
-	return __kernel_standard (x, x, 249); /* log2l (x < 0) */
+	{
+	  feraiseexcept (FE_INVALID);
+	  return __kernel_standard (x, x, 249); /* log2(x<0) */
+	}
     }
-  else
-    return z;
-#endif
+
+  return  __ieee754_log2l (x);
 }
 weak_alias (__log2l, log2l)
diff --git a/math/w_logf.c b/math/w_logf.c
index 200a8b7133..52b9befd1b 100644
--- a/math/w_logf.c
+++ b/math/w_logf.c
@@ -1,49 +1,45 @@
-/* w_logf.c -- float version of w_log.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_logf.c,v 1.3 1995/05/10 20:49:40 jtc Exp $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper logf(x)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	float __logf(float x)		/* wrapper logf */
-#else
-	float __logf(x)			/* wrapper logf */
-	float x;
-#endif
+/* wrapper logf(x) */
+float
+__logf (float x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_logf(x);
-#else
-	float z;
-	z = __ieee754_logf(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanf(x) || x > (float)0.0) return z;
-	if(x==(float)0.0)
-	    /* logf(0) */
-	    return (float)__kernel_standard((double)x,(double)x,116);
-	else 
-	    /* logf(x<0) */
-	    return (float)__kernel_standard((double)x,(double)x,117);
-#endif
+  if (__builtin_expect (x <= 0.0f, 0) && _LIB_VERSION != _IEEE_)
+    {
+      if (x == 0.0f)
+	{
+	  feraiseexcept (FE_DIVBYZERO);
+	  return __kernel_standard_f (x, x, 116); /* log(0) */
+	}
+      else
+	{
+	  feraiseexcept (FE_INVALID);
+	  return __kernel_standard_f (x, x, 117); /* log(x<0) */
+	}
+    }
+
+  return  __ieee754_logf (x);
 }
 weak_alias (__logf, logf)
diff --git a/math/w_logl.c b/math/w_logl.c
index e869bce0f4..9f2bdf06cc 100644
--- a/math/w_logl.c
+++ b/math/w_logl.c
@@ -1,48 +1,45 @@
-/* w_logl.c -- long double version of w_log.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper logl(x)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <fenv.h>
 #include <math.h>
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	long double __logl(long double x)	/* wrapper logl */
-#else
-	long double __logl(x)			/* wrapper logl */
-	long double x;
-#endif
+/* wrapper logl(x) */
+long double
+__logl (long double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_logl(x);
-#else
-	long double z;
-	z = __ieee754_logl(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanl(x) || x > 0.0) return z;
-	if(x==0.0)
-	    return __kernel_standard(x,x,216); /* log(0) */
-	else
-	    return __kernel_standard(x,x,217); /* log(x<0) */
-#endif
+  if (__builtin_expect (x <= 0.0L, 0) && _LIB_VERSION != _IEEE_)
+    {
+      if (x == 0.0L)
+	{
+	  feraiseexcept (FE_DIVBYZERO);
+	  return __kernel_standard (x, x, 216); /* log(0) */
+	}
+      else
+	{
+	  feraiseexcept (FE_INVALID);
+	  return __kernel_standard (x, x, 217); /* log(x<0) */
+	}
+    }
+
+  return  __ieee754_logl (x);
 }
 weak_alias (__logl, logl)
diff --git a/math/w_pow.c b/math/w_pow.c
index e0d2a92847..4993c232a6 100644
--- a/math/w_pow.c
+++ b/math/w_pow.c
@@ -1,67 +1,76 @@
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-/* @(#)w_pow.c 5.2 93/10/01 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper pow(x,y) return x**y
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <math.h>
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	double __pow(double x, double y)	/* wrapper pow */
-#else
-	double __pow(x,y)			/* wrapper pow */
-	double x,y;
-#endif
+/* wrapper pow */
+double
+__pow (double x, double y)
 {
-#ifdef _IEEE_LIBM
-	return  __ieee754_pow(x,y);
-#else
-	double z;
-	z=__ieee754_pow(x,y);
-	if(_LIB_VERSION == _IEEE_|| __isnan(y)) return z;
-	if(__isnan(x)) {
-	    if(y==0.0)
-	        return __kernel_standard(x,y,42); /* pow(NaN,0.0) */
-	    else
-		return z;
-	}
-	if(x==0.0) {
-	    if(y==0.0)
-	        return __kernel_standard(x,y,20); /* pow(0.0,0.0) */
-	    if(__finite(y)&&y<0.0) {
-	      if (signbit (x) && signbit (z))
-	        return __kernel_standard(x,y,23); /* pow(-0.0,negative) */
+  double z = __ieee754_pow (x, y);
+  if (__builtin_expect (!__finite (z), 0))
+    {
+      if (_LIB_VERSION != _IEEE_)
+	{
+	  if (__isnan (x))
+	    {
+	      if (y == 0.0)
+		/* pow(NaN,0.0) */
+		return __kernel_standard (x, y, 42);
+	    }
+	  else if (__finite (x) && __finite (y))
+	    {
+	      if (__isnan (z))
+		/* pow neg**non-int */
+		return __kernel_standard (x, y, 24);
+	      else if (x == 0.0 && y < 0.0)
+		{
+		  if (signbit (x) && signbit (z))
+		    /* pow(-0.0,negative) */
+		    return __kernel_standard (x, y, 23);
+		  else
+		    /* pow(+0.0,negative) */
+		    return __kernel_standard (x, y, 43);
+		}
 	      else
-	        return __kernel_standard(x,y,43); /* pow(+0.0,negative) */
+		/* pow overflow */
+		return __kernel_standard (x, y, 21);
 	    }
-	    return z;
 	}
-	if(!__finite(z)) {
-	    if(__finite(x)&&__finite(y)) {
-	        if(__isnan(z))
-	            return __kernel_standard(x,y,24); /* pow neg**non-int */
-	        else
-	            return __kernel_standard(x,y,21); /* pow overflow */
-	    }
+    }
+  else if (__builtin_expect (z == 0.0, 0) && __finite (x) && __finite (y)
+	   && _LIB_VERSION != _IEEE_)
+    {
+      if (x == 0.0)
+	{
+	  if (y == 0.0)
+	    /* pow(0.0,0.0) */
+	    return __kernel_standard (x, y, 20);
 	}
-	if(z==0.0&&__finite(x)&&__finite(y))
-	    return __kernel_standard(x,y,22); /* pow underflow */
-	return z;
-#endif
+      else
+	/* pow underflow */
+	return __kernel_standard (x, y, 22);
+    }
+
+  return z;
 }
 weak_alias (__pow, pow)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_powf.c b/math/w_powf.c
index 761e4d1328..c0406f4c12 100644
--- a/math/w_powf.c
+++ b/math/w_powf.c
@@ -1,77 +1,75 @@
-/* w_powf.c -- float version of w_pow.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_powf.c,v 1.3 1995/05/10 20:49:41 jtc Exp $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper powf(x,y) return x**y
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <math.h>
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	float __powf(float x, float y)	/* wrapper powf */
-#else
-	float __powf(x,y)			/* wrapper powf */
-	float x,y;
-#endif
+/* wrapper powf */
+float
+__powf (float x, float y)
 {
-#ifdef _IEEE_LIBM
-	return  __ieee754_powf(x,y);
-#else
-	float z;
-	z=__ieee754_powf(x,y);
-	if(_LIB_VERSION == _IEEE_|| __isnanf(y)) return z;
-	if(__isnanf(x)) {
-	    if(y==(float)0.0)
-	        /* powf(NaN,0.0) */
-	        return (float)__kernel_standard((double)x,(double)y,142);
-	    else
-		return z;
-	}
-	if(x==(float)0.0) {
-	    if(y==(float)0.0)
-	        /* powf(0.0,0.0) */
-	        return (float)__kernel_standard((double)x,(double)y,120);
-	    if(__finitef(y)&&y<(float)0.0) {
-	      if (signbit (x) && signbit (z))
-	        /* powf(0.0,negative) */
-	        return (float)__kernel_standard((double)x,(double)y,123);
+  float z = __ieee754_powf (x, y);
+  if (__builtin_expect (!__finitef (z), 0))
+    {
+      if (_LIB_VERSION != _IEEE_)
+	{
+	  if (__isnanf (x))
+	    {
+	      if (y == 0.0f)
+		/* pow(NaN,0.0) */
+		return __kernel_standard_f (x, y, 142);
+	    }
+	  else if (__finitef (x) && __finitef (y))
+	    {
+	      if (__isnanf (z))
+		/* pow neg**non-int */
+		return __kernel_standard_f (x, y, 124);
+	      else if (x == 0.0f && y < 0.0f)
+		{
+		  if (signbit (x) && signbit (z))
+		    /* pow(-0.0,negative) */
+		    return __kernel_standard_f (x, y, 123);
+		  else
+		    /* pow(+0.0,negative) */
+		    return __kernel_standard_f (x, y, 143);
+		}
 	      else
-	        return (float)__kernel_standard((double)x,(double)y,143);
+		/* pow overflow */
+		return __kernel_standard_f (x, y, 121);
 	    }
-	    return z;
 	}
-	if(!__finitef(z)) {
-	    if(__finitef(x)&&__finitef(y)) {
-	        if(__isnanf(z))
-		    /* powf neg**non-int */
-	            return (float)__kernel_standard((double)x,(double)y,124);
-	        else
-		    /* powf overflow */
-	            return (float)__kernel_standard((double)x,(double)y,121);
-	    }
+    }
+  else if (__builtin_expect (z == 0.0f, 0) && __finitef (x) && __finitef (y)
+	   && _LIB_VERSION != _IEEE_)
+    {
+      if (x == 0.0f)
+	{
+	  if (y == 0.0f)
+	    /* pow(0.0,0.0) */
+	    return __kernel_standard_f (x, y, 120);
 	}
-	if(z==(float)0.0&&__finitef(x)&&__finitef(y))
-	    /* powf underflow */
-	    return (float)__kernel_standard((double)x,(double)y,122);
-	return z;
-#endif
+      else
+	/* pow underflow */
+	return __kernel_standard_f (x, y, 122);
+    }
+
+  return z;
 }
 weak_alias (__powf, powf)
diff --git a/math/w_powl.c b/math/w_powl.c
index 0bb09518d5..1ad581ad94 100644
--- a/math/w_powl.c
+++ b/math/w_powl.c
@@ -1,68 +1,75 @@
-/* w_powl.c -- long double version of w_pow.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-/*
- * wrapper powl(x,y) return x**y
- */
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <math.h>
 #include <math_private.h>
 
 
-#ifdef __STDC__
-	long double __powl(long double x, long double y)/* wrapper powl */
-#else
-	long double __powl(x,y)			/* wrapper powl */
-	long double x,y;
-#endif
+/* wrapper powl */
+long double
+__powl (long double x, long double y)
 {
-#ifdef _IEEE_LIBM
-	return  __ieee754_powl(x,y);
-#else
-	long double z;
-	z=__ieee754_powl(x,y);
-	if(_LIB_VERSION == _IEEE_|| __isnanl(y)) return z;
-	if(__isnanl(x)) {
-	    if(y==0.0)
-	        return __kernel_standard(x,y,242); /* pow(NaN,0.0) */
-	    else
-		return z;
-	}
-	if(x==0.0) {
-	    if(y==0.0)
-	        return __kernel_standard(x,y,220); /* pow(0.0,0.0) */
-	    if(__finitel(y)&&y<0.0) {
-	      if (signbit (x) && signbit (z))
-	        return __kernel_standard(x,y,223); /* pow(-0.0,negative) */
+  long double z = __ieee754_powl (x, y);
+  if (__builtin_expect (!__finitel (z), 0))
+    {
+      if (_LIB_VERSION != _IEEE_)
+	{
+	  if (__isnanl (x))
+	    {
+	      if (y == 0.0L)
+		/* pow(NaN,0.0) */
+		return __kernel_standard (x, y, 242);
+	    }
+	  else if (__finitel (x) && __finitel (y))
+	    {
+	      if (__isnanl (z))
+		/* pow neg**non-int */
+		return __kernel_standard (x, y, 224);
+	      else if (x == 0.0L && y < 0.0L)
+		{
+		  if (signbit (x) && signbit (z))
+		    /* pow(-0.0,negative) */
+		    return __kernel_standard (x, y, 223);
+		  else
+		    /* pow(+0.0,negative) */
+		    return __kernel_standard (x, y, 243);
+		}
 	      else
-	        return __kernel_standard(x,y,243); /* pow(+0.0,negative) */
+		/* pow overflow */
+		return __kernel_standard (x, y, 221);
 	    }
-	    return z;
 	}
-	if(!__finitel(z)) {
-	    if(__finitel(x)&&__finitel(y)) {
-	        if(__isnanl(z))
-	            return __kernel_standard(x,y,224); /* pow neg**non-int */
-	        else
-	            return __kernel_standard(x,y,221); /* pow overflow */
-	    }
+    }
+  else if (__builtin_expect (z == 0.0L, 0) && __finitel (x) && __finitel (y)
+	   && _LIB_VERSION != _IEEE_)
+    {
+      if (x == 0.0L)
+	{
+	  if (y == 0.0L)
+	    /* pow(0.0,0.0) */
+	    return __kernel_standard (x, y, 220);
 	}
-	if(z==0.0&&__finitel(x)&&__finitel(y))
-	    return __kernel_standard(x,y,222); /* pow underflow */
-	return z;
-#endif
+      else
+	/* pow underflow */
+	return __kernel_standard (x, y, 222);
+    }
+
+  return z;
 }
 weak_alias (__powl, powl)
diff --git a/math/w_remainder.c b/math/w_remainder.c
index cf35ee24bd..524cbf582a 100644
--- a/math/w_remainder.c
+++ b/math/w_remainder.c
@@ -1,44 +1,36 @@
-/* @(#)w_remainder.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_remainder.c,v 1.6 1995/05/10 20:49:44 jtc Exp $";
-#endif
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper remainder(x,p)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	double __remainder(double x, double y)	/* wrapper remainder */
-#else
-	double __remainder(x,y)			/* wrapper remainder */
-	double x,y;
-#endif
+
+/* wrapper remainder */
+double
+__remainder (double x, double y)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_remainder(x,y);
-#else
-	double z;
-	z = __ieee754_remainder(x,y);
-	if(_LIB_VERSION == _IEEE_ || __isnan(y) || __isnan(x)) return z;
-	if(y==0.0 || __isinf_ns(x))
-	    return __kernel_standard(x,y,28); /* remainder(x,0) */
-	else
-	    return z;
-#endif
+  if (((__builtin_expect (y == 0.0, 0) && ! __isnan (x))
+       || (__builtin_expect (__isinf_ns (x), 0) && ! __isnan (y)))
+      && _LIB_VERSION != _IEEE_)
+    return __kernel_standard (x, y, 28); /* remainder domain */
+
+  return __ieee754_remainder (x, y);
 }
 weak_alias (__remainder, remainder)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_remainderf.c b/math/w_remainderf.c
index 39d01b3fa0..9bddf6f619 100644
--- a/math/w_remainderf.c
+++ b/math/w_remainderf.c
@@ -1,47 +1,35 @@
-/* w_remainderf.c -- float version of w_remainder.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_remainderf.c,v 1.3 1995/05/10 20:49:46 jtc Exp $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper remainderf(x,p)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	float __remainderf(float x, float y)	/* wrapper remainder */
-#else
-	float __remainderf(x,y)			/* wrapper remainder */
-	float x,y;
-#endif
+
+/* wrapper remainderf */
+float
+__remainderf (float x, float y)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_remainderf(x,y);
-#else
-	float z;
-	z = __ieee754_remainderf(x,y);
-	if(_LIB_VERSION == _IEEE_ || __isnanf(y) || __isnanf(x)) return z;
-	if(y==(float)0.0 || __isinf_nsf(x))
-	    /* remainder(x,0) */
-	    return (float)__kernel_standard((double)x,(double)y,128);
-	else
-	    return z;
-#endif
+  if (((__builtin_expect (y == 0.0f, 0) && ! __isnanf (x))
+       || (__builtin_expect (__isinf_nsf (x), 0) && ! __isnanf (y)))
+      && _LIB_VERSION != _IEEE_)
+    return __kernel_standard_f (x, y, 128); /* remainder domain */
+
+  return __ieee754_remainderf (x, y);
 }
 weak_alias (__remainderf, remainderf)
diff --git a/math/w_remainderl.c b/math/w_remainderl.c
index dec70e5028..66a141328b 100644
--- a/math/w_remainderl.c
+++ b/math/w_remainderl.c
@@ -1,48 +1,35 @@
-/* w_remainderl.c -- long double version of w_remainder.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper remainderl(x,p)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	long double __remainderl(long double x, long double y)
-		/* wrapper remainderl */
-#else
-	long double __remainderl(x,y)			/* wrapper remainder */
-	long double x,y;
-#endif
+
+/* wrapper remainderl */
+long double
+__remainderl (long double x, long double y)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_remainderl(x,y);
-#else
-	long double z;
-	z = __ieee754_remainderl(x,y);
-	if(_LIB_VERSION == _IEEE_ || __isnanl(y) || __isnanl(x)) return z;
-	if(y==0.0 || __isinf_nsl(x))
-	    return __kernel_standard(x,y,228); /* remainder(x,0) */
-	else
-	    return z;
-#endif
+  if (((__builtin_expect (y == 0.0L, 0) && ! __isnanl (x))
+       || (__builtin_expect (__isinf_nsl (x), 0) && ! __isnanl (y)))
+      && _LIB_VERSION != _IEEE_)
+    return __kernel_standard (x, y, 228); /* remainder domain */
+
+  return __ieee754_remainderl (x, y);
 }
 weak_alias (__remainderl, remainderl)
diff --git a/math/w_scalb.c b/math/w_scalb.c
index 830f387644..91f3658a67 100644
--- a/math/w_scalb.c
+++ b/math/w_scalb.c
@@ -1,62 +1,54 @@
-/* @(#)w_scalb.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_scalb.c,v 1.6 1995/05/10 20:49:48 jtc Exp $";
-#endif
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper scalb(double x, double fn) is provide for
- * passing various standard test suite. One
- * should use scalbn() instead.
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <errno.h>
 #include <math.h>
 #include <math_private.h>
 
-#include <errno.h>
 
-#ifdef __STDC__
-#ifdef _SCALB_INT
-	double __scalb(double x, int fn)		/* wrapper scalb */
-#else
-	double __scalb(double x, double fn)	/* wrapper scalb */
-#endif
-#else
-	double __scalb(x,fn)			/* wrapper scalb */
-#ifdef _SCALB_INT
-	double x; int fn;
-#else
-	double x,fn;
-#endif
-#endif
+static double
+__attribute__ ((noinline))
+sysv_scalb (double x, double fn)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_scalb(x,fn);
-#else
-	double z;
-	z = __ieee754_scalb(x,fn);
-	if(_LIB_VERSION != _SVID_) return z;
-	if(!(__finite(z)||__isnan(z))&&__finite(x)) {
-	    return __kernel_standard(x,(double)fn,32); /* scalb overflow */
-	}
-	if(z==0.0&&z!=x) {
-	    return __kernel_standard(x,(double)fn,33); /* scalb underflow */
-	}
-#ifndef _SCALB_INT
-	if(!__finite(fn)) __set_errno (ERANGE);
-#endif
-	return z;
-#endif
+  double z = __ieee754_scalb (x, fn);
+
+  if (__builtin_expect (__isinf (z), 0))
+    {
+      if (__finite (x))
+	return __kernel_standard (x, fn, 32); /* scalb overflow */
+      else
+	__set_errno (ERANGE);
+    }
+  else if (__builtin_expect (z == 0.0, 0) && z != x)
+    return __kernel_standard (x, fn, 33); /* scalb underflow */
+
+  return z;
+}
+
+
+/* Wrapper scalb */
+double
+__scalb (double x, double fn)
+{
+  return (__builtin_expect (_LIB_VERSION == _SVID_, 0)
+	  ? sysv_scalb (x, fn)
+	  : __ieee754_scalb (x, fn));
 }
 weak_alias (__scalb, scalb)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_scalbf.c b/math/w_scalbf.c
index bd92cc1c00..b8ee3f1b46 100644
--- a/math/w_scalbf.c
+++ b/math/w_scalbf.c
@@ -1,66 +1,53 @@
-/* w_scalbf.c -- float version of w_scalb.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_scalbf.c,v 1.3 1995/05/10 20:49:50 jtc Exp $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper scalbf(float x, float fn) is provide for
- * passing various standard test suite. One
- * should use scalbn() instead.
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <errno.h>
 #include <math.h>
 #include <math_private.h>
 
-#include <errno.h>
 
-#ifdef __STDC__
-#ifdef _SCALB_INT
-	float __scalbf(float x, int fn)		/* wrapper scalbf */
-#else
-	float __scalbf(float x, float fn)		/* wrapper scalbf */
-#endif
-#else
-	float __scalbf(x,fn)			/* wrapper scalbf */
-#ifdef _SCALB_INT
-	float x; int fn;
-#else
-	float x,fn;
-#endif
-#endif
+static float
+__attribute__ ((noinline))
+sysv_scalbf (float x, float fn)
+{
+  float z = __ieee754_scalbf (x, fn);
+
+  if (__builtin_expect (__isinff (z), 0))
+    {
+      if (__finitef (x))
+	return __kernel_standard_f (x, fn, 132); /* scalb overflow */
+      else
+	__set_errno (ERANGE);
+    }
+  else if (__builtin_expect (z == 0.0f, 0) && z != x)
+    return __kernel_standard_f (x, fn, 133); /* scalb underflow */
+
+  return z;
+}
+
+
+/* Wrapper scalbf */
+float
+__scalbf (float x, float fn)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_scalbf(x,fn);
-#else
-	float z;
-	z = __ieee754_scalbf(x,fn);
-	if(_LIB_VERSION != _SVID_) return z;
-	if(!(__finitef(z)||__isnanf(z))&&__finitef(x)) {
-	    /* scalbf overflow */
-	    return (float)__kernel_standard((double)x,(double)fn,132);
-	}
-	if(z==(float)0.0&&z!=x) {
-	    /* scalbf underflow */
-	    return (float)__kernel_standard((double)x,(double)fn,133);
-	}
-#ifndef _SCALB_INT
-	if(!__finitef(fn)) __set_errno (ERANGE);
-#endif
-	return z;
-#endif
+  return (__builtin_expect (_LIB_VERSION == _SVID_, 0)
+	  ? sysv_scalbf (x, fn)
+	  : __ieee754_scalbf (x, fn));
 }
 weak_alias (__scalbf, scalbf)
diff --git a/math/w_scalbl.c b/math/w_scalbl.c
index eb118b19b7..33fc725e5f 100644
--- a/math/w_scalbl.c
+++ b/math/w_scalbl.c
@@ -1,65 +1,53 @@
-/* w_scalbl.c -- long double version of w_scalb.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper scalbl(long double x, long double fn) is provide for
- * passing various standard test suite. One
- * should use scalbnl() instead.
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
+#include <errno.h>
 #include <math.h>
 #include <math_private.h>
 
-#include <errno.h>
 
-#ifdef __STDC__
-#ifdef _SCALB_INT
-	long double __scalbl(long double x, int fn)	/* wrapper scalbl */
-#else
-	long double __scalbl(long double x, long double fn)/* wrapper scalbl */
-#endif
-#else
-	long double __scalbl(x,fn)			/* wrapper scalbl */
-#ifdef _SCALB_INT
-	long double x; int fn;
-#else
-	long double x,fn;
-#endif
-#endif
+static long double
+__attribute__ ((noinline))
+sysv_scalbl (long double x, long double fn)
+{
+  long double z = __ieee754_scalbl (x, fn);
+
+  if (__builtin_expect (__isinfl (z), 0))
+    {
+      if (__finitel (x))
+	return __kernel_standard (x, fn, 232); /* scalb overflow */
+      else
+	__set_errno (ERANGE);
+    }
+  else if (__builtin_expect (z == 0.0L, 0) && z != x)
+    return __kernel_standard (x, fn, 233); /* scalb underflow */
+
+  return z;
+}
+
+
+/* Wrapper scalbl */
+long double
+__scalbl (long double x, long double fn)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_scalbl(x,fn);
-#else
-	long double z;
-	z = __ieee754_scalbl(x,fn);
-	if(_LIB_VERSION != _SVID_) return z;
-	if(!(__finitel(z)||__isnanl(z))&&__finitel(x)) {
-	    return __kernel_standard(x,(double)fn,232); /* scalb overflow */
-	}
-	if(z==0.0&&z!=x) {
-	    return __kernel_standard(x,(double)fn,233); /* scalb underflow */
-	}
-#ifndef _SCALB_INT
-	if(!__finitel(fn)) __set_errno (ERANGE);
-#endif
-	return z;
-#endif
+  return (__builtin_expect (_LIB_VERSION == _SVID_, 0)
+	  ? sysv_scalbl (x, fn)
+	  : __ieee754_scalbl (x, fn));
 }
 weak_alias (__scalbl, scalbl)
diff --git a/math/w_sinh.c b/math/w_sinh.c
index c95e154fc3..34ad2d8624 100644
--- a/math/w_sinh.c
+++ b/math/w_sinh.c
@@ -10,10 +10,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_sinh.c,v 1.6 1995/05/10 20:49:51 jtc Exp $";
-#endif
-
 /*
  * wrapper sinh(x)
  */
@@ -21,24 +17,15 @@ static char rcsid[] = "$NetBSD: w_sinh.c,v 1.6 1995/05/10 20:49:51 jtc Exp $";
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	double __sinh(double x)		/* wrapper sinh */
-#else
-	double __sinh(x)			/* wrapper sinh */
-	double x;
-#endif
+double
+__sinh (double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_sinh(x);
-#else
-	double z;
-	z = __ieee754_sinh(x);
-	if(_LIB_VERSION == _IEEE_) return z;
-	if(!__finite(z)&&__finite(x)) {
-	    return __kernel_standard(x,x,25); /* sinh overflow */
-	} else
-	    return z;
-#endif
+	double z = __ieee754_sinh (x);
+	if (__builtin_expect (!__finite (z), 0) && __finite (x)
+	    && _LIB_VERSION != _IEEE_)
+		return __kernel_standard (x, x, 25); /* sinh overflow */
+
+	return z;
 }
 weak_alias (__sinh, sinh)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_sinhf.c b/math/w_sinhf.c
index c3555999ed..1347e91728 100644
--- a/math/w_sinhf.c
+++ b/math/w_sinhf.c
@@ -8,40 +8,26 @@
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_sinhf.c,v 1.3 1995/05/10 20:49:54 jtc Exp $";
-#endif
-
-/* 
+/*
  * wrapper sinhf(x)
  */
 
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	float __sinhf(float x)		/* wrapper sinhf */
-#else
-	float __sinhf(x)			/* wrapper sinhf */
-	float x;
-#endif
+float
+__sinhf (float x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_sinhf(x);
-#else
-	float z; 
-	z = __ieee754_sinhf(x);
-	if(_LIB_VERSION == _IEEE_) return z;
-	if(!__finitef(z)&&__finitef(x)) {
-	    /* sinhf overflow */
-	    return (float)__kernel_standard((double)x,(double)x,125);
-	} else
-	    return z;
-#endif
+	float z = __ieee754_sinhf (x);
+	if (__builtin_expect (!__finitef (z), 0) && __finitef (x)
+	    && _LIB_VERSION != _IEEE_)
+	    return __kernel_standard_f (x, x, 125); /* sinhf overflow */
+
+	return z;
 }
 weak_alias (__sinhf, sinhf)
diff --git a/math/w_sinhl.c b/math/w_sinhl.c
index da7de8185b..5e65cf9b95 100644
--- a/math/w_sinhl.c
+++ b/math/w_sinhl.c
@@ -14,10 +14,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
-
 /*
  * wrapper sinhl(x)
  */
@@ -25,23 +21,14 @@ static char rcsid[] = "$NetBSD: $";
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	long double __sinhl(long double x)	/* wrapper sinhl */
-#else
-	long double __sinhl(x)			/* wrapper sinhl */
-	long double x;
-#endif
+long double
+__sinhl (long double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_sinhl(x);
-#else
-	long double z;
-	z = __ieee754_sinhl(x);
-	if(_LIB_VERSION == _IEEE_) return z;
-	if(!__finitel(z)&&__finitel(x)) {
-	    return __kernel_standard(x,x,225); /* sinh overflow */
-	} else
-	    return z;
-#endif
+	long double z = __ieee754_sinhl (x);
+	if (__builtin_expect (!__finitel (z), 0) && __finitel (x)
+	    && _LIB_VERSION != _IEEE_)
+	    return __kernel_standard (x, x, 225); /* sinh overflow */
+
+	return z;
 }
 weak_alias (__sinhl, sinhl)
diff --git a/math/w_sqrt.c b/math/w_sqrt.c
index c281bf40af..8a435ef48e 100644
--- a/math/w_sqrt.c
+++ b/math/w_sqrt.c
@@ -1,44 +1,34 @@
-/* @(#)w_sqrt.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_sqrt.c,v 1.6 1995/05/10 20:49:55 jtc Exp $";
-#endif
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper sqrt(x)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	double __sqrt(double x)		/* wrapper sqrt */
-#else
-	double __sqrt(x)			/* wrapper sqrt */
-	double x;
-#endif
+
+/* wrapper sqrt */
+double
+__sqrt (double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_sqrt(x);
-#else
-	double z;
-	z = __ieee754_sqrt(x);
-	if(_LIB_VERSION == _IEEE_ || __isnan(x)) return z;
-	if(x<0.0) {
-	    return __kernel_standard(x,x,26); /* sqrt(negative) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (x < 0.0, 0) && _LIB_VERSION != _IEEE_)
+    return __kernel_standard (x, x, 26); /* sqrt(negative) */
+
+  return __ieee754_sqrt (x);
 }
 weak_alias (__sqrt, sqrt)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_sqrtf.c b/math/w_sqrtf.c
index 854d1cded2..fc088b6222 100644
--- a/math/w_sqrtf.c
+++ b/math/w_sqrtf.c
@@ -1,47 +1,33 @@
-/* w_sqrtf.c -- float version of w_sqrt.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_sqrtf.c,v 1.3 1995/05/10 20:49:59 jtc Exp $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/* 
- * wrapper sqrtf(x)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	float __sqrtf(float x)		/* wrapper sqrtf */
-#else
-	float sqrt(x)			/* wrapper sqrtf */
-	float x;
-#endif
+
+/* wrapper sqrtf */
+float
+__sqrtf (float x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_sqrtf(x);
-#else
-	float z;
-	z = __ieee754_sqrtf(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanf(x)) return z;
-	if(x<(float)0.0) {
-	    /* sqrtf(negative) */
-	    return (float)__kernel_standard((double)x,(double)x,126);
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (x < 0.0f, 0) && _LIB_VERSION != _IEEE_)
+    return __kernel_standard_f (x, x, 126); /* sqrt(negative) */
+
+  return __ieee754_sqrtf (x);
 }
 weak_alias (__sqrtf, sqrtf)
diff --git a/math/w_sqrtl.c b/math/w_sqrtl.c
index 43770eeb39..0c446295c6 100644
--- a/math/w_sqrtl.c
+++ b/math/w_sqrtl.c
@@ -1,47 +1,33 @@
-/* w_sqrtl.c -- long double version of w_sqrt.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-/*
- * wrapper sqrtl(x)
- */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	long double __sqrtl(long double x)	/* wrapper sqrtl */
-#else
-	long double __sqrtl(x)			/* wrapper sqrtl */
-	long double x;
-#endif
+
+/* wrapper sqrtl */
+long double
+__sqrtl (long double x)
 {
-#ifdef _IEEE_LIBM
-	return __ieee754_sqrtl(x);
-#else
-	long double z;
-	z = __ieee754_sqrtl(x);
-	if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
-	if(x<0.0) {
-	    return __kernel_standard(x,x,226); /* sqrt(negative) */
-	} else
-	    return z;
-#endif
+  if (__builtin_expect (x < 0.0L, 0) && _LIB_VERSION != _IEEE_)
+    return __kernel_standard (x, x, 226); /* sqrt(negative) */
+
+  return __ieee754_sqrtl (x);
 }
 weak_alias (__sqrtl, sqrtl)
diff --git a/math/w_tgamma.c b/math/w_tgamma.c
index 14d6855829..976b5fb95c 100644
--- a/math/w_tgamma.c
+++ b/math/w_tgamma.c
@@ -10,10 +10,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_gamma.c,v 1.7 1995/11/20 22:06:43 jtc Exp $";
-#endif
-
 /* double gamma(double x)
  * Return  the logarithm of the Gamma function of x or the Gamma function of x,
  * depending on the library mode.
@@ -22,23 +18,14 @@ static char rcsid[] = "$NetBSD: w_gamma.c,v 1.7 1995/11/20 22:06:43 jtc Exp $";
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	double __tgamma(double x)
-#else
-	double __tgamma(x)
-	double x;
-#endif
+double
+__tgamma(double x)
 {
-        double y;
 	int local_signgam;
-	y = __ieee754_gamma_r(x,&local_signgam);
-	if (local_signgam < 0) y = -y;
-#ifdef _IEEE_LIBM
-	return y;
-#else
-	if(_LIB_VERSION == _IEEE_) return y;
+	double y = __ieee754_gamma_r(x,&local_signgam);
 
-	if(!__finite(y)&&__finite(x)) {
+	if(__builtin_expect(!__finite(y), 0)&&__finite(x)
+	   && _LIB_VERSION != _IEEE_) {
 	  if (x == 0.0)
 	    return __kernel_standard(x,x,50); /* tgamma pole */
 	  else if(__floor(x)==x&&x<0.0)
@@ -46,8 +33,7 @@ static char rcsid[] = "$NetBSD: w_gamma.c,v 1.7 1995/11/20 22:06:43 jtc Exp $";
 	  else
 	    return __kernel_standard(x,x,40); /* tgamma overflow */
 	}
-	return y;
-#endif
+	return local_signgam < 0 ? -y : y;
 }
 weak_alias (__tgamma, tgamma)
 #ifdef NO_LONG_DOUBLE
diff --git a/math/w_tgammaf.c b/math/w_tgammaf.c
index b1e72c653d..48141354e2 100644
--- a/math/w_tgammaf.c
+++ b/math/w_tgammaf.c
@@ -13,41 +13,27 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_gammaf.c,v 1.4 1995/11/20 22:06:48 jtc Exp $";
-#endif
-
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	float __tgammaf(float x)
-#else
-	float __tgammaf(x)
-	float x;
-#endif
+float
+__tgammaf(float x)
 {
-        float y;
 	int local_signgam;
-	y = __ieee754_gammaf_r(x,&local_signgam);
-	if (local_signgam < 0) y = -y;
-#ifdef _IEEE_LIBM
-	return y;
-#else
-	if(_LIB_VERSION == _IEEE_) return y;
+	float y = __ieee754_gammaf_r(x,&local_signgam);
 
-	if(!__finitef(y)&&__finitef(x)) {
+	if(__builtin_expect(!__finitef(y), 0) && __finitef(x)
+	   && _LIB_VERSION != _IEEE_) {
 	  if (x == (float)0.0)
 	    /* tgammaf pole */
-	    return (float)__kernel_standard((double)x,(double)x,150);
-	  else if(__floorf(x)==x&&x<(float)0.0)
+	    return __kernel_standard_f(x, x, 150);
+	  else if(__floorf(x)==x&&x<0.0f)
 	    /* tgammaf domain */
-	    return (float)__kernel_standard((double)x,(double)x,141);
+	    return __kernel_standard_f(x, x, 141);
 	  else
 	    /* tgammaf overflow */
-	    return (float)__kernel_standard((double)x,(double)x,140);
+	    return __kernel_standard_f(x, x, 140);
 	}
-	return y;
-#endif
+	return local_signgam < 0 ? - y : y;
 }
 weak_alias (__tgammaf, tgammaf)
diff --git a/math/w_tgammal.c b/math/w_tgammal.c
index 63379a8575..6910f923aa 100644
--- a/math/w_tgammal.c
+++ b/math/w_tgammal.c
@@ -14,10 +14,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
-
 /* long double gammal(double x)
  * Return the Gamma function of x.
  */
@@ -25,31 +21,21 @@ static char rcsid[] = "$NetBSD: $";
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-	long double __tgammal(long double x)
-#else
-	long double __tgammal(x)
-	long double x;
-#endif
+long double
+__tgammal(long double x)
 {
-        long double y;
 	int local_signgam;
-	y = __ieee754_gammal_r(x,&local_signgam);
-	if (local_signgam < 0) y = -y;
-#ifdef _IEEE_LIBM
-	return y;
-#else
-	if(_LIB_VERSION == _IEEE_) return y;
+	long double y = __ieee754_gammal_r(x,&local_signgam);
 
-	if(!__finitel(y)&&__finitel(x)) {
+	if(__builtin_expect(!__finitel(y), 0) && __finitel(x)
+	   && _LIB_VERSION != _IEEE_) {
 	  if(x==0.0)
 	    return __kernel_standard(x,x,250); /* tgamma pole */
-	  else if(__floorl(x)==x&&x<0.0)
+	  else if(__floorl(x)==x&&x<0.0L)
 	    return __kernel_standard(x,x,241); /* tgamma domain */
 	  else
 	    return __kernel_standard(x,x,240); /* tgamma overflow */
 	}
-	return y;
-#endif
+	return local_signgam < 0 ? - y : y;
 }
 weak_alias (__tgammal, tgammal)
diff --git a/sysdeps/i386/fpu/e_acos.S b/sysdeps/i386/fpu/e_acos.S
index b9d07b1091..d3505baf07 100644
--- a/sysdeps/i386/fpu/e_acos.S
+++ b/sysdeps/i386/fpu/e_acos.S
@@ -19,3 +19,4 @@ ENTRY(__ieee754_acos)
 	fpatan				/* atan (sqrt(1 - x^2) / x) */
 	ret
 END (__ieee754_acos)
+strong_alias (__ieee754_acos, __acos_finite)
diff --git a/sysdeps/i386/fpu/e_acosf.S b/sysdeps/i386/fpu/e_acosf.S
index 50b13fd1bd..6a843a51dd 100644
--- a/sysdeps/i386/fpu/e_acosf.S
+++ b/sysdeps/i386/fpu/e_acosf.S
@@ -20,3 +20,4 @@ ENTRY(__ieee754_acosf)
 	fpatan
 	ret
 END (__ieee754_acosf)
+strong_alias (__ieee754_acosf, __acosf_finite)
diff --git a/sysdeps/i386/fpu/e_acosh.S b/sysdeps/i386/fpu/e_acosh.S
index 62a232471f..fc65c295c5 100644
--- a/sysdeps/i386/fpu/e_acosh.S
+++ b/sysdeps/i386/fpu/e_acosh.S
@@ -1,5 +1,5 @@
 /* ix87 specific implementation of arcsinh.
-   Copyright (C) 1996, 2005 Free Software Foundation, Inc.
+   Copyright (C) 1996, 2005, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -21,12 +21,12 @@
 #include <machine/asm.h>
 
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
 
-	.align ALIGNARG(4)
+	.p2align 3
 	ASM_TYPE_DIRECTIVE(one,@object)
 one:	.double 1.0
 	ASM_SIZE_DIRECTIVE(one)
@@ -101,3 +101,4 @@ ENTRY(__ieee754_acosh)
 	fdiv	%st, %st(0)
 	ret
 END(__ieee754_acosh)
+strong_alias (__ieee754_acosh, __acosh_finite)
diff --git a/sysdeps/i386/fpu/e_acoshf.S b/sysdeps/i386/fpu/e_acoshf.S
index 1906c60578..b55004b62d 100644
--- a/sysdeps/i386/fpu/e_acoshf.S
+++ b/sysdeps/i386/fpu/e_acoshf.S
@@ -1,5 +1,5 @@
 /* ix87 specific implementation of arcsinh.
-   Copyright (C) 1996, 1997, 2005 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 2005, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -21,12 +21,12 @@
 #include <machine/asm.h>
 
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
 
-	.align ALIGNARG(4)
+	.p2align 3
 	ASM_TYPE_DIRECTIVE(one,@object)
 one:	.double 1.0
 	ASM_SIZE_DIRECTIVE(one)
@@ -101,3 +101,4 @@ ENTRY(__ieee754_acoshf)
 	fdiv	%st, %st(0)
 	ret
 END(__ieee754_acoshf)
+strong_alias (__ieee754_acoshf, __acoshf_finite)
diff --git a/sysdeps/i386/fpu/e_acoshl.S b/sysdeps/i386/fpu/e_acoshl.S
index c7b548d25a..76bc0d7521 100644
--- a/sysdeps/i386/fpu/e_acoshl.S
+++ b/sysdeps/i386/fpu/e_acoshl.S
@@ -1,5 +1,5 @@
 /* ix87 specific implementation of arcsinh.
-   Copyright (C) 1996, 1997, 2005 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 2005, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -21,12 +21,12 @@
 #include <machine/asm.h>
 
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
 
-	.align ALIGNARG(4)
+	.p2align 3
 	/* Please note that we use double value for 1.0.  This number
 	   has an exact representation and so we don't get accuracy
 	   problems.  The advantage is that the code is simpler.  */
@@ -108,3 +108,4 @@ ENTRY(__ieee754_acoshl)
 	fdiv	%st, %st(0)
 	ret
 END(__ieee754_acoshl)
+strong_alias (__ieee754_acoshl, __acoshl_finite)
diff --git a/sysdeps/i386/fpu/e_acosl.c b/sysdeps/i386/fpu/e_acosl.c
index 0c3e03945a..ec516ffca9 100644
--- a/sysdeps/i386/fpu/e_acosl.c
+++ b/sysdeps/i386/fpu/e_acosl.c
@@ -23,3 +23,4 @@ __ieee754_acosl (long double x)
 	: "=t" (res) : "0" (x) : "st(1)");
   return res;
 }
+strong_alias (__ieee754_acosl, __acosl_finite)
diff --git a/sysdeps/i386/fpu/e_asin.S b/sysdeps/i386/fpu/e_asin.S
index 945e308245..a17e922b6d 100644
--- a/sysdeps/i386/fpu/e_asin.S
+++ b/sysdeps/i386/fpu/e_asin.S
@@ -18,3 +18,4 @@ ENTRY(__ieee754_asin)
 	fpatan
 	ret
 END (__ieee754_asin)
+strong_alias (__ieee754_asin, __asin_finite)
diff --git a/sysdeps/i386/fpu/e_asinf.S b/sysdeps/i386/fpu/e_asinf.S
index d450e9a740..5c1065dd4d 100644
--- a/sysdeps/i386/fpu/e_asinf.S
+++ b/sysdeps/i386/fpu/e_asinf.S
@@ -19,3 +19,4 @@ ENTRY(__ieee754_asinf)
 	fpatan
 	ret
 END (__ieee754_asinf)
+strong_alias (__ieee754_asinf, __asinf_finite)
diff --git a/sysdeps/i386/fpu/e_atan2.S b/sysdeps/i386/fpu/e_atan2.S
index 8df04e485e..e76f8e2a78 100644
--- a/sysdeps/i386/fpu/e_atan2.S
+++ b/sysdeps/i386/fpu/e_atan2.S
@@ -13,3 +13,4 @@ ENTRY(__ieee754_atan2)
 	fpatan
 	ret
 END (__ieee754_atan2)
+strong_alias (__ieee754_atan2, __atan2_finite)
diff --git a/sysdeps/i386/fpu/e_atan2f.S b/sysdeps/i386/fpu/e_atan2f.S
index fc6621f183..9ffa6373be 100644
--- a/sysdeps/i386/fpu/e_atan2f.S
+++ b/sysdeps/i386/fpu/e_atan2f.S
@@ -13,3 +13,4 @@ ENTRY(__ieee754_atan2f)
 	fpatan
 	ret
 END (__ieee754_atan2f)
+strong_alias (__ieee754_atan2f, __atan2f_finite)
diff --git a/sysdeps/i386/fpu/e_atan2l.c b/sysdeps/i386/fpu/e_atan2l.c
index 19a2a60621..9f88bfcc08 100644
--- a/sysdeps/i386/fpu/e_atan2l.c
+++ b/sysdeps/i386/fpu/e_atan2l.c
@@ -16,3 +16,4 @@ __ieee754_atan2l (long double y, long double x)
 
   return res;
 }
+strong_alias (__ieee754_atan2l, __atan2l_finite)
diff --git a/sysdeps/i386/fpu/e_atanh.S b/sysdeps/i386/fpu/e_atanh.S
index 3566ec6eff..d7e53a2882 100644
--- a/sysdeps/i386/fpu/e_atanh.S
+++ b/sysdeps/i386/fpu/e_atanh.S
@@ -1,5 +1,5 @@
 /* ix87 specific implementation of arctanh function.
-   Copyright (C) 1996, 1999, 2005 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1999, 2005, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -114,3 +114,4 @@ ENTRY(__ieee754_atanh)
 6:	fldl	4(%esp)
 	ret
 END(__ieee754_atanh)
+strong_alias (__ieee754_atanh, __atanh_finite)
diff --git a/sysdeps/i386/fpu/e_atanhf.S b/sysdeps/i386/fpu/e_atanhf.S
index 10ce6aed9e..00ad9142f2 100644
--- a/sysdeps/i386/fpu/e_atanhf.S
+++ b/sysdeps/i386/fpu/e_atanhf.S
@@ -1,5 +1,5 @@
 /* ix87 specific implementation of arctanh function.
-   Copyright (C) 1996, 1999, 2005 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1999, 2005, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -107,3 +107,4 @@ ENTRY(__ieee754_atanhf)
 5:	flds	4(%esp)
 	ret
 END(__ieee754_atanhf)
+strong_alias (__ieee754_atanhf, __atanhf_finite)
diff --git a/sysdeps/i386/fpu/e_atanhl.S b/sysdeps/i386/fpu/e_atanhl.S
index 8618c3fb35..cc70e73f4b 100644
--- a/sysdeps/i386/fpu/e_atanhl.S
+++ b/sysdeps/i386/fpu/e_atanhl.S
@@ -1,5 +1,5 @@
 /* ix87 specific implementation of arctanh function.
-   Copyright (C) 1996, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1999, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -118,3 +118,4 @@ ENTRY(__ieee754_atanhl)
 6:	fldt	4(%esp)
 	ret
 END(__ieee754_atanhl)
+strong_alias (__ieee754_atanhl, __atanhl_finite)
diff --git a/sysdeps/i386/fpu/e_exp10.S b/sysdeps/i386/fpu/e_exp10.S
index 6bfcdbb723..1e32b07848 100644
--- a/sysdeps/i386/fpu/e_exp10.S
+++ b/sysdeps/i386/fpu/e_exp10.S
@@ -36,3 +36,4 @@ ENTRY(__ieee754_exp10)
 	fldz				/* Set result to 0.  */
 2:	ret
 END (__ieee754_exp10)
+strong_alias (__ieee754_exp10, __exp10_finite)
diff --git a/sysdeps/i386/fpu/e_exp10f.S b/sysdeps/i386/fpu/e_exp10f.S
index 4791b99afa..614496415e 100644
--- a/sysdeps/i386/fpu/e_exp10f.S
+++ b/sysdeps/i386/fpu/e_exp10f.S
@@ -4,7 +4,7 @@
 
 #include <machine/asm.h>
 
-/* e^x = 2^(x * log2(10)) */
+/* 10^x = 2^(x * log2(10)) */
 ENTRY(__ieee754_exp10f)
 	flds	4(%esp)
 /* I added the following ugly construct because exp(+-Inf) resulted
@@ -36,3 +36,4 @@ ENTRY(__ieee754_exp10f)
 	fldz				/* Set result to 0.  */
 2:	ret
 END (__ieee754_exp10f)
+strong_alias (__ieee754_exp10f, __exp10f_finite)
diff --git a/sysdeps/i386/fpu/e_exp10l.S b/sysdeps/i386/fpu/e_exp10l.S
index 71f0da792d..04ec8001d9 100644
--- a/sysdeps/i386/fpu/e_exp10l.S
+++ b/sysdeps/i386/fpu/e_exp10l.S
@@ -4,7 +4,7 @@
 
 #include <machine/asm.h>
 
-/* e^x = 2^(x * log2l(10)) */
+/* 10^x = 2^(x * log2l(10)) */
 ENTRY(__ieee754_exp10l)
 	fldt	4(%esp)
 /* I added the following ugly construct because expl(+-Inf) resulted
@@ -36,3 +36,4 @@ ENTRY(__ieee754_exp10l)
 	fldz				/* Set result to 0.  */
 2:	ret
 END (__ieee754_exp10l)
+strong_alias (__ieee754_exp10l, __exp10l_finite)
diff --git a/sysdeps/i386/fpu/e_exp2.S b/sysdeps/i386/fpu/e_exp2.S
index 778c0c0eb6..f802cf8b98 100644
--- a/sysdeps/i386/fpu/e_exp2.S
+++ b/sysdeps/i386/fpu/e_exp2.S
@@ -35,3 +35,4 @@ ENTRY(__ieee754_exp2)
 	fldz				/* Set result to 0.  */
 2:	ret
 END (__ieee754_exp2)
+strong_alias (__ieee754_exp2, __exp2_finite)
diff --git a/sysdeps/i386/fpu/e_exp2f.S b/sysdeps/i386/fpu/e_exp2f.S
index c2d1af1af1..f867d0d472 100644
--- a/sysdeps/i386/fpu/e_exp2f.S
+++ b/sysdeps/i386/fpu/e_exp2f.S
@@ -35,3 +35,4 @@ ENTRY(__ieee754_exp2f)
 	fldz				/* Set result to 0.  */
 2:	ret
 END (__ieee754_exp2f)
+strong_alias (__ieee754_exp2f, __exp2f_finite)
diff --git a/sysdeps/i386/fpu/e_exp2l.S b/sysdeps/i386/fpu/e_exp2l.S
index fa1fdc9236..203dd0078d 100644
--- a/sysdeps/i386/fpu/e_exp2l.S
+++ b/sysdeps/i386/fpu/e_exp2l.S
@@ -35,3 +35,4 @@ ENTRY(__ieee754_exp2l)
 	fldz				/* Set result to 0.  */
 2:	ret
 END (__ieee754_exp2l)
+strong_alias (__ieee754_exp2l, __exp2l_finite)
diff --git a/sysdeps/i386/fpu/e_fmod.S b/sysdeps/i386/fpu/e_fmod.S
index 4cf6e92054..26b3acc392 100644
--- a/sysdeps/i386/fpu/e_fmod.S
+++ b/sysdeps/i386/fpu/e_fmod.S
@@ -5,8 +5,6 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: e_fmod.S,v 1.4 1995/05/08 23:47:56 jtc Exp $")
-
 ENTRY(__ieee754_fmod)
 	fldl	12(%esp)
 	fldl	4(%esp)
@@ -17,3 +15,4 @@ ENTRY(__ieee754_fmod)
 	fstp	%st(1)
 	ret
 END (__ieee754_fmod)
+strong_alias (__ieee754_fmod, __fmod_finite)
diff --git a/sysdeps/i386/fpu/e_fmodf.S b/sysdeps/i386/fpu/e_fmodf.S
index bbce40976d..ece4d98427 100644
--- a/sysdeps/i386/fpu/e_fmodf.S
+++ b/sysdeps/i386/fpu/e_fmodf.S
@@ -6,8 +6,6 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: $")
-
 ENTRY(__ieee754_fmodf)
 	flds	8(%esp)
 	flds	4(%esp)
@@ -18,3 +16,4 @@ ENTRY(__ieee754_fmodf)
 	fstp	%st(1)
 	ret
 END(__ieee754_fmodf)
+strong_alias (__ieee754_fmodf, __fmodf_finite)
diff --git a/sysdeps/i386/fpu/e_fmodl.c b/sysdeps/i386/fpu/e_fmodl.c
index c7c9a60456..49700ae8f6 100644
--- a/sysdeps/i386/fpu/e_fmodl.c
+++ b/sysdeps/i386/fpu/e_fmodl.c
@@ -20,3 +20,4 @@ __ieee754_fmodl (long double x, long double y)
        : "=t" (res) : "0" (x), "u" (y) : "ax", "st(1)");
   return res;
 }
+strong_alias (__ieee754_fmodl, __fmodl_finite)
diff --git a/sysdeps/i386/fpu/e_hypot.S b/sysdeps/i386/fpu/e_hypot.S
index 0435857309..0baa011d18 100644
--- a/sysdeps/i386/fpu/e_hypot.S
+++ b/sysdeps/i386/fpu/e_hypot.S
@@ -1,5 +1,5 @@
 /* Compute the hypothenuse of X and Y.
-   Copyright (C) 1998 Free Software Foundation, Inc.
+   Copyright (C) 1998, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
@@ -58,5 +58,6 @@ ENTRY(__ieee754_hypot)
 	fxch
 5:	fstp	%st(1)
 	jmp	2b
-	
+
 END(__ieee754_hypot)
+strong_alias (__ieee754_hypot, __hypot_finite)
diff --git a/sysdeps/i386/fpu/e_hypotf.S b/sysdeps/i386/fpu/e_hypotf.S
index 5967dae215..eb95d6ee99 100644
--- a/sysdeps/i386/fpu/e_hypotf.S
+++ b/sysdeps/i386/fpu/e_hypotf.S
@@ -1,5 +1,5 @@
 /* Compute the hypothenuse of X and Y.
-   Copyright (C) 1998 Free Software Foundation, Inc.
+   Copyright (C) 1998, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
@@ -58,5 +58,6 @@ ENTRY(__ieee754_hypotf)
 	fxch
 5:	fstp	%st(1)
 	jmp	2b
-	
+
 END(__ieee754_hypotf)
+strong_alias (__ieee754_hypotf, __hypotf_finite)
diff --git a/sysdeps/i386/fpu/e_log.S b/sysdeps/i386/fpu/e_log.S
index ce55b72292..8110a84535 100644
--- a/sysdeps/i386/fpu/e_log.S
+++ b/sysdeps/i386/fpu/e_log.S
@@ -7,14 +7,12 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: e_log.S,v 1.4 1995/05/08 23:48:39 jtc Exp $")
-
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
-	.align ALIGNARG(4)
+	.p2align 3
 	ASM_TYPE_DIRECTIVE(one,@object)
 one:	.double 1.0
 	ASM_SIZE_DIRECTIVE(one)
@@ -27,9 +25,9 @@ limit:	.double 0.29
 
 
 #ifdef PIC
-#define MO(op) op##@GOTOFF(%edx)
+# define MO(op) op##@GOTOFF(%edx)
 #else
-#define MO(op) op
+# define MO(op) op
 #endif
 
 	.text
@@ -64,3 +62,4 @@ ENTRY(__ieee754_log)
 	fstp	%st(1)
 	ret
 END (__ieee754_log)
+strong_alias (__ieee754_log, __log_finite)
diff --git a/sysdeps/i386/fpu/e_log10.S b/sysdeps/i386/fpu/e_log10.S
index 525f08c96d..9d24d74024 100644
--- a/sysdeps/i386/fpu/e_log10.S
+++ b/sysdeps/i386/fpu/e_log10.S
@@ -7,14 +7,12 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: e_log10.S,v 1.4 1995/05/08 23:49:24 jtc Exp $")
-
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
-	.align ALIGNARG(4)
+	.p2align 3
 	ASM_TYPE_DIRECTIVE(one,@object)
 one:	.double 1.0
 	ASM_SIZE_DIRECTIVE(one)
@@ -27,9 +25,9 @@ limit:	.double 0.29
 
 
 #ifdef PIC
-#define MO(op) op##@GOTOFF(%edx)
+# define MO(op) op##@GOTOFF(%edx)
 #else
-#define MO(op) op
+# define MO(op) op
 #endif
 
 	.text
@@ -64,3 +62,4 @@ ENTRY(__ieee754_log10)
 	fstp	%st(1)
 	ret
 END (__ieee754_log10)
+strong_alias (__ieee754_log10, __log10_finite)
diff --git a/sysdeps/i386/fpu/e_log10f.S b/sysdeps/i386/fpu/e_log10f.S
index da5069d583..38a4833d1a 100644
--- a/sysdeps/i386/fpu/e_log10f.S
+++ b/sysdeps/i386/fpu/e_log10f.S
@@ -8,14 +8,12 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: $")
-
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
-	.align ALIGNARG(4)
+	.p2align 3
 	ASM_TYPE_DIRECTIVE(one,@object)
 one:	.double 1.0
 	ASM_SIZE_DIRECTIVE(one)
@@ -28,9 +26,9 @@ limit:	.double 0.29
 
 
 #ifdef PIC
-#define MO(op) op##@GOTOFF(%edx)
+# define MO(op) op##@GOTOFF(%edx)
 #else
-#define MO(op) op
+# define MO(op) op
 #endif
 
 	.text
@@ -65,3 +63,4 @@ ENTRY(__ieee754_log10f)
 	fstp	%st(1)
 	ret
 END (__ieee754_log10f)
+strong_alias (__ieee754_log10f, __log10f_finite)
diff --git a/sysdeps/i386/fpu/e_log10l.S b/sysdeps/i386/fpu/e_log10l.S
index 3811516be5..88b309d539 100644
--- a/sysdeps/i386/fpu/e_log10l.S
+++ b/sysdeps/i386/fpu/e_log10l.S
@@ -9,14 +9,12 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: $")
-
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
-	.align ALIGNARG(4)
+	.p2align 3
 	ASM_TYPE_DIRECTIVE(one,@object)
 one:	.double 1.0
 	ASM_SIZE_DIRECTIVE(one)
@@ -29,9 +27,9 @@ limit:	.double 0.29
 
 
 #ifdef PIC
-#define MO(op) op##@GOTOFF(%edx)
+# define MO(op) op##@GOTOFF(%edx)
 #else
-#define MO(op) op
+# define MO(op) op
 #endif
 
 	.text
@@ -66,3 +64,4 @@ ENTRY(__ieee754_log10l)
 	fstp	%st(1)
 	ret
 END(__ieee754_log10l)
+strong_alias (__ieee754_log10l, __log10l_finite)
diff --git a/sysdeps/i386/fpu/e_log2.S b/sysdeps/i386/fpu/e_log2.S
index d80bf80239..88aee7f3ca 100644
--- a/sysdeps/i386/fpu/e_log2.S
+++ b/sysdeps/i386/fpu/e_log2.S
@@ -9,11 +9,11 @@
 #include <machine/asm.h>
 
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
-	.align ALIGNARG(4)
+	.p2align 3
 	ASM_TYPE_DIRECTIVE(one,@object)
 one:	.double 1.0
 	ASM_SIZE_DIRECTIVE(one)
@@ -26,9 +26,9 @@ limit:	.double 0.29
 
 
 #ifdef PIC
-#define MO(op) op##@GOTOFF(%edx)
+# define MO(op) op##@GOTOFF(%edx)
 #else
-#define MO(op) op
+# define MO(op) op
 #endif
 
 	.text
@@ -63,3 +63,4 @@ ENTRY(__ieee754_log2)
 	fstp	%st(1)
 	ret
 END (__ieee754_log2)
+strong_alias (__ieee754_log2, __log2_finite)
diff --git a/sysdeps/i386/fpu/e_log2f.S b/sysdeps/i386/fpu/e_log2f.S
index 9eb7b2a826..20144875fd 100644
--- a/sysdeps/i386/fpu/e_log2f.S
+++ b/sysdeps/i386/fpu/e_log2f.S
@@ -9,11 +9,11 @@
 #include <machine/asm.h>
 
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
-	.align ALIGNARG(4)
+	.p2align 3
 	ASM_TYPE_DIRECTIVE(one,@object)
 one:	.double 1.0
 	ASM_SIZE_DIRECTIVE(one)
@@ -26,9 +26,9 @@ limit:	.double 0.29
 
 
 #ifdef PIC
-#define MO(op) op##@GOTOFF(%edx)
+# define MO(op) op##@GOTOFF(%edx)
 #else
-#define MO(op) op
+# define MO(op) op
 #endif
 
 	.text
@@ -63,3 +63,4 @@ ENTRY(__ieee754_log2f)
 	fstp	%st(1)
 	ret
 END (__ieee754_log2f)
+strong_alias (__ieee754_log2f, __log2f_finite)
diff --git a/sysdeps/i386/fpu/e_log2l.S b/sysdeps/i386/fpu/e_log2l.S
index 9de08f5de1..bc79dea2da 100644
--- a/sysdeps/i386/fpu/e_log2l.S
+++ b/sysdeps/i386/fpu/e_log2l.S
@@ -9,11 +9,11 @@
 #include <machine/asm.h>
 
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
-	.align ALIGNARG(4)
+	.p2align 3
 	ASM_TYPE_DIRECTIVE(one,@object)
 one:	.double 1.0
 	ASM_SIZE_DIRECTIVE(one)
@@ -26,9 +26,9 @@ limit:	.double 0.29
 
 
 #ifdef PIC
-#define MO(op) op##@GOTOFF(%edx)
+# define MO(op) op##@GOTOFF(%edx)
 #else
-#define MO(op) op
+# define MO(op) op
 #endif
 
 	.text
@@ -63,3 +63,4 @@ ENTRY(__ieee754_log2l)
 	fstp	%st(1)
 	ret
 END (__ieee754_log2l)
+strong_alias (__ieee754_log2l, __log2l_finite)
diff --git a/sysdeps/i386/fpu/e_logf.S b/sysdeps/i386/fpu/e_logf.S
index cd4538b594..b683e13853 100644
--- a/sysdeps/i386/fpu/e_logf.S
+++ b/sysdeps/i386/fpu/e_logf.S
@@ -8,14 +8,12 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: e_log.S,v 1.4 1995/05/08 23:48:39 jtc Exp $")
-
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
-	.align ALIGNARG(4)
+	.p2align 3
 	ASM_TYPE_DIRECTIVE(one,@object)
 one:	.double 1.0
 	ASM_SIZE_DIRECTIVE(one)
@@ -28,9 +26,9 @@ limit:	.double 0.29
 
 
 #ifdef PIC
-#define MO(op) op##@GOTOFF(%edx)
+# define MO(op) op##@GOTOFF(%edx)
 #else
-#define MO(op) op
+# define MO(op) op
 #endif
 
 	.text
@@ -65,3 +63,4 @@ ENTRY(__ieee754_logf)
 	fstp	%st(1)
 	ret
 END (__ieee754_logf)
+strong_alias (__ieee754_logf, __logf_finite)
diff --git a/sysdeps/i386/fpu/e_logl.S b/sysdeps/i386/fpu/e_logl.S
index 551dcf1e46..ee1fb16bc4 100644
--- a/sysdeps/i386/fpu/e_logl.S
+++ b/sysdeps/i386/fpu/e_logl.S
@@ -7,15 +7,13 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: $")
-
 
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
-	.align ALIGNARG(4)
+	.p2align 3
 	ASM_TYPE_DIRECTIVE(one,@object)
 one:	.double 1.0
 	ASM_SIZE_DIRECTIVE(one)
@@ -28,9 +26,9 @@ limit:	.double 0.29
 
 
 #ifdef PIC
-#define MO(op) op##@GOTOFF(%edx)
+# define MO(op) op##@GOTOFF(%edx)
 #else
-#define MO(op) op
+# define MO(op) op
 #endif
 
 	.text
@@ -65,3 +63,4 @@ ENTRY(__ieee754_logl)
 	fstp	%st(1)
 	ret
 END (__ieee754_logl)
+strong_alias (__ieee754_logl, __logl_finite)
diff --git a/sysdeps/i386/fpu/e_pow.S b/sysdeps/i386/fpu/e_pow.S
index 792f926902..dccc677520 100644
--- a/sysdeps/i386/fpu/e_pow.S
+++ b/sysdeps/i386/fpu/e_pow.S
@@ -1,5 +1,5 @@
 /* ix87 specific implementation of pow function.
-   Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004, 2005, 2007
+   Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004, 2005, 2007, 2011
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -22,12 +22,27 @@
 #include <machine/asm.h>
 
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
+	.p2align 3
+	ASM_TYPE_DIRECTIVE(one,@object)
+one:	.double 1.0
+	ASM_SIZE_DIRECTIVE(one)
+	ASM_TYPE_DIRECTIVE(limit,@object)
+limit:	.double 0.29
+	ASM_SIZE_DIRECTIVE(limit)
+	ASM_TYPE_DIRECTIVE(p63,@object)
+p63:	.byte 0, 0, 0, 0, 0, 0, 0xe0, 0x43
+	ASM_SIZE_DIRECTIVE(p63)
 
-	.align ALIGNARG(4)
+#ifdef __ELF__
+	.section .rodata.cst16,"aM",@progbits,16
+#else
+	.text
+#endif
+	.p2align 3
 	ASM_TYPE_DIRECTIVE(infinity,@object)
 inf_zero:
 infinity:
@@ -43,22 +58,13 @@ minfinity:
 mzero:
 	.byte 0, 0, 0, 0, 0, 0, 0, 0x80
 	ASM_SIZE_DIRECTIVE(minf_mzero)
-	ASM_TYPE_DIRECTIVE(one,@object)
-one:	.double 1.0
-	ASM_SIZE_DIRECTIVE(one)
-	ASM_TYPE_DIRECTIVE(limit,@object)
-limit:	.double 0.29
-	ASM_SIZE_DIRECTIVE(limit)
-	ASM_TYPE_DIRECTIVE(p63,@object)
-p63:	.byte 0, 0, 0, 0, 0, 0, 0xe0, 0x43
-	ASM_SIZE_DIRECTIVE(p63)
 
 #ifdef PIC
-#define MO(op) op##@GOTOFF(%ecx)
-#define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
+# define MO(op) op##@GOTOFF(%ecx)
+# define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
 #else
-#define MO(op) op
-#define MOX(op,x,f) op(,x,f)
+# define MO(op) op
+# define MOX(op,x,f) op(,x,f)
 #endif
 
 	.text
@@ -360,3 +366,4 @@ ENTRY(__ieee754_pow)
 	ret
 
 END(__ieee754_pow)
+strong_alias (__ieee754_pow, __pow_finite)
diff --git a/sysdeps/i386/fpu/e_powf.S b/sysdeps/i386/fpu/e_powf.S
index c91545418d..99c95bbdf9 100644
--- a/sysdeps/i386/fpu/e_powf.S
+++ b/sysdeps/i386/fpu/e_powf.S
@@ -1,5 +1,5 @@
 /* ix87 specific implementation of pow function.
-   Copyright (C) 1996, 1997, 1999, 2001, 2004, 2005, 2007
+   Copyright (C) 1996, 1997, 1999, 2001, 2004, 2005, 2007, 2011
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -22,12 +22,27 @@
 #include <machine/asm.h>
 
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
+	.p2align 3
+	ASM_TYPE_DIRECTIVE(one,@object)
+one:	.double 1.0
+	ASM_SIZE_DIRECTIVE(one)
+	ASM_TYPE_DIRECTIVE(limit,@object)
+limit:	.double 0.29
+	ASM_SIZE_DIRECTIVE(limit)
+	ASM_TYPE_DIRECTIVE(p31,@object)
+p31:	.byte 0, 0, 0, 0, 0, 0, 0xe0, 0x41
+	ASM_SIZE_DIRECTIVE(p31)
 
-	.align ALIGNARG(4)
+#ifdef __ELF__
+	.section .rodata.cst16,"aM",@progbits,16
+#else
+	.text
+#endif
+	.p2align 3
 	ASM_TYPE_DIRECTIVE(infinity,@object)
 inf_zero:
 infinity:
@@ -43,22 +58,13 @@ minfinity:
 mzero:
 	.byte 0, 0, 0, 0, 0, 0, 0, 0x80
 	ASM_SIZE_DIRECTIVE(minf_mzero)
-	ASM_TYPE_DIRECTIVE(one,@object)
-one:	.double 1.0
-	ASM_SIZE_DIRECTIVE(one)
-	ASM_TYPE_DIRECTIVE(limit,@object)
-limit:	.double 0.29
-	ASM_SIZE_DIRECTIVE(limit)
-	ASM_TYPE_DIRECTIVE(p31,@object)
-p31:	.byte 0, 0, 0, 0, 0, 0, 0xe0, 0x41
-	ASM_SIZE_DIRECTIVE(p31)
 
 #ifdef PIC
-#define MO(op) op##@GOTOFF(%ecx)
-#define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
+# define MO(op) op##@GOTOFF(%ecx)
+# define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
 #else
-#define MO(op) op
-#define MOX(op,x,f) op(,x,f)
+# define MO(op) op
+# define MOX(op,x,f) op(,x,f)
 #endif
 
 	.text
@@ -348,3 +354,4 @@ ENTRY(__ieee754_powf)
 	ret
 
 END(__ieee754_powf)
+strong_alias (__ieee754_powf, __powf_finite)
diff --git a/sysdeps/i386/fpu/e_powl.S b/sysdeps/i386/fpu/e_powl.S
index 6215496207..34ace3576b 100644
--- a/sysdeps/i386/fpu/e_powl.S
+++ b/sysdeps/i386/fpu/e_powl.S
@@ -1,5 +1,5 @@
 /* ix87 specific implementation of pow function.
-   Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004, 2005, 2007
+   Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004, 2005, 2007, 2011
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -22,12 +22,27 @@
 #include <machine/asm.h>
 
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
+	.p2align 3
+	ASM_TYPE_DIRECTIVE(one,@object)
+one:	.double 1.0
+	ASM_SIZE_DIRECTIVE(one)
+	ASM_TYPE_DIRECTIVE(limit,@object)
+limit:	.double 0.29
+	ASM_SIZE_DIRECTIVE(limit)
+	ASM_TYPE_DIRECTIVE(p63,@object)
+p63:	.byte 0, 0, 0, 0, 0, 0, 0xe0, 0x43
+	ASM_SIZE_DIRECTIVE(p63)
 
-	.align ALIGNARG(4)
+#ifdef __ELF__
+	.section .rodata.cst16,"aM",@progbits,16
+#else
+	.text
+#endif
+	.p2align 3
 	ASM_TYPE_DIRECTIVE(infinity,@object)
 inf_zero:
 infinity:
@@ -43,22 +58,13 @@ minfinity:
 mzero:
 	.byte 0, 0, 0, 0, 0, 0, 0, 0x80
 	ASM_SIZE_DIRECTIVE(minf_mzero)
-	ASM_TYPE_DIRECTIVE(one,@object)
-one:	.double 1.0
-	ASM_SIZE_DIRECTIVE(one)
-	ASM_TYPE_DIRECTIVE(limit,@object)
-limit:	.double 0.29
-	ASM_SIZE_DIRECTIVE(limit)
-	ASM_TYPE_DIRECTIVE(p63,@object)
-p63:	.byte 0, 0, 0, 0, 0, 0, 0xe0, 0x43
-	ASM_SIZE_DIRECTIVE(p63)
 
 #ifdef PIC
-#define MO(op) op##@GOTOFF(%ecx)
-#define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
+# define MO(op) op##@GOTOFF(%ecx)
+# define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
 #else
-#define MO(op) op
-#define MOX(op,x,f) op(,x,f)
+# define MO(op) op
+# define MOX(op,x,f) op(,x,f)
 #endif
 
 	.text
@@ -360,3 +366,4 @@ ENTRY(__ieee754_powl)
 	ret
 
 END(__ieee754_powl)
+strong_alias (__ieee754_powl, __powl_finite)
diff --git a/sysdeps/i386/fpu/e_remainder.S b/sysdeps/i386/fpu/e_remainder.S
index 2f43cb894c..f7867aa90b 100644
--- a/sysdeps/i386/fpu/e_remainder.S
+++ b/sysdeps/i386/fpu/e_remainder.S
@@ -5,8 +5,6 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: e_remainder.S,v 1.4 1995/05/08 23:49:37 jtc Exp $")
-
 ENTRY(__ieee754_remainder)
 	fldl	12(%esp)
 	fldl	4(%esp)
@@ -17,3 +15,4 @@ ENTRY(__ieee754_remainder)
 	fstp	%st(1)
 	ret
 END (__ieee754_remainder)
+strong_alias (__ieee754_remainder, __remainder_finite)
diff --git a/sysdeps/i386/fpu/e_remainderf.S b/sysdeps/i386/fpu/e_remainderf.S
index 79f821993b..cfd390bc69 100644
--- a/sysdeps/i386/fpu/e_remainderf.S
+++ b/sysdeps/i386/fpu/e_remainderf.S
@@ -5,8 +5,6 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: e_remainderf.S,v 1.2 1995/05/08 23:49:47 jtc Exp $")
-
 ENTRY(__ieee754_remainderf)
 	flds	8(%esp)
 	flds	4(%esp)
@@ -17,3 +15,4 @@ ENTRY(__ieee754_remainderf)
 	fstp	%st(1)
 	ret
 END (__ieee754_remainderf)
+strong_alias (__ieee754_remainderf, __remainderf_finite)
diff --git a/sysdeps/i386/fpu/e_remainderl.S b/sysdeps/i386/fpu/e_remainderl.S
index 5f50b626a2..5ec23a37a3 100644
--- a/sysdeps/i386/fpu/e_remainderl.S
+++ b/sysdeps/i386/fpu/e_remainderl.S
@@ -7,8 +7,6 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: $")
-
 ENTRY(__ieee754_remainderl)
 	fldt	16(%esp)
 	fldt	4(%esp)
@@ -19,3 +17,4 @@ ENTRY(__ieee754_remainderl)
 	fstp	%st(1)
 	ret
 END (__ieee754_remainderl)
+strong_alias (__ieee754_remainderl, __remainderl_finite)
diff --git a/sysdeps/i386/fpu/e_scalb.S b/sysdeps/i386/fpu/e_scalb.S
index 7e334a3611..0f3ec96196 100644
--- a/sysdeps/i386/fpu/e_scalb.S
+++ b/sysdeps/i386/fpu/e_scalb.S
@@ -7,8 +7,6 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: e_scalb.S,v 1.4 1995/05/08 23:49:52 jtc Exp $")
-
 #ifdef __ELF__
 	.section .rodata
 #else
@@ -20,18 +18,17 @@ RCSID("$NetBSD: e_scalb.S,v 1.4 1995/05/08 23:49:52 jtc Exp $")
 zero_nan:
 	.double 0.0
 nan:	.byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
-minus_zero:
 	.byte 0, 0, 0, 0, 0, 0, 0, 0x80
 	.byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
 	ASM_SIZE_DIRECTIVE(zero_nan)
 
 
 #ifdef PIC
-#define MO(op) op##@GOTOFF(%ecx)
-#define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
+# define MO(op) op##@GOTOFF(%ecx)
+# define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
 #else
-#define MO(op) op
-#define MOX(op,x,f) op(,x,f)
+# define MO(op) op
+# define MOX(op,x,f) op(,x,f)
 #endif
 
 	.text
@@ -100,3 +97,4 @@ ENTRY(__ieee754_scalb)
 	fdiv	%st
 	ret
 END(__ieee754_scalb)
+strong_alias (__ieee754_scalb, __scalb_finite)
diff --git a/sysdeps/i386/fpu/e_scalbf.S b/sysdeps/i386/fpu/e_scalbf.S
index e99ee92cb0..d11ca66d19 100644
--- a/sysdeps/i386/fpu/e_scalbf.S
+++ b/sysdeps/i386/fpu/e_scalbf.S
@@ -8,8 +8,6 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: $")
-
 #ifdef __ELF__
 	.section .rodata
 #else
@@ -21,18 +19,17 @@ RCSID("$NetBSD: $")
 zero_nan:
 	.double 0.0
 nan:	.byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
-minus_zero:
 	.byte 0, 0, 0, 0, 0, 0, 0, 0x80
 	.byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
 	ASM_SIZE_DIRECTIVE(zero_nan)
 
 
 #ifdef PIC
-#define MO(op) op##@GOTOFF(%ecx)
-#define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
+# define MO(op) op##@GOTOFF(%ecx)
+# define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
 #else
-#define MO(op) op
-#define MOX(op,x,f) op(,x,f)
+# define MO(op) op
+# define MOX(op,x,f) op(,x,f)
 #endif
 
 
@@ -102,3 +99,4 @@ ENTRY(__ieee754_scalbf)
 	fdiv	%st
 	ret
 END(__ieee754_scalbf)
+strong_alias (__ieee754_scalbf, __scalbf_finite)
diff --git a/sysdeps/i386/fpu/e_scalbl.S b/sysdeps/i386/fpu/e_scalbl.S
index 3f67d0befb..d8b2169714 100644
--- a/sysdeps/i386/fpu/e_scalbl.S
+++ b/sysdeps/i386/fpu/e_scalbl.S
@@ -9,8 +9,6 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: $")
-
 #ifdef __ELF__
 	.section .rodata
 #else
@@ -22,18 +20,17 @@ RCSID("$NetBSD: $")
 zero_nan:
 	.double 0.0
 nan:	.byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
-minus_zero:
 	.byte 0, 0, 0, 0, 0, 0, 0, 0x80
 	.byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
 	ASM_SIZE_DIRECTIVE(zero_nan)
 
 
 #ifdef PIC
-#define MO(op) op##@GOTOFF(%ecx)
-#define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
+# define MO(op) op##@GOTOFF(%ecx)
+# define MOX(op,x,f) op##@GOTOFF(%ecx,x,f)
 #else
-#define MO(op) op
-#define MOX(op,x,f) op(,x,f)
+# define MO(op) op
+# define MOX(op,x,f) op(,x,f)
 #endif
 
 	.text
@@ -102,3 +99,4 @@ ENTRY(__ieee754_scalbl)
 	fdiv	%st
 	ret
 END(__ieee754_scalbl)
+strong_alias (__ieee754_scalbl, __scalbl_finite)
diff --git a/sysdeps/i386/fpu/e_sqrt.S b/sysdeps/i386/fpu/e_sqrt.S
index 6f253d51aa..1054ba4532 100644
--- a/sysdeps/i386/fpu/e_sqrt.S
+++ b/sysdeps/i386/fpu/e_sqrt.S
@@ -5,10 +5,9 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: e_sqrt.S,v 1.4 1995/05/08 23:49:57 jtc Exp $")
-
 ENTRY(__ieee754_sqrt)
 	fldl	4(%esp)
 	fsqrt
 	ret
 END (__ieee754_sqrt)
+strong_alias (__ieee754_sqrt, __sqrt_finite)
diff --git a/sysdeps/i386/fpu/e_sqrtf.S b/sysdeps/i386/fpu/e_sqrtf.S
index 5ce1ad0544..6f7e4b015f 100644
--- a/sysdeps/i386/fpu/e_sqrtf.S
+++ b/sysdeps/i386/fpu/e_sqrtf.S
@@ -5,10 +5,9 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: e_sqrtf.S,v 1.2 1995/05/08 23:50:14 jtc Exp $")
-
 ENTRY(__ieee754_sqrtf)
 	flds	4(%esp)
 	fsqrt
 	ret
 END (__ieee754_sqrtf)
+strong_alias (__ieee754_sqrtf, __sqrtf_finite)
diff --git a/sysdeps/i386/fpu/e_sqrtl.c b/sysdeps/i386/fpu/e_sqrtl.c
index 85f61bb385..41bcd7eeb7 100644
--- a/sysdeps/i386/fpu/e_sqrtl.c
+++ b/sysdeps/i386/fpu/e_sqrtl.c
@@ -7,6 +7,7 @@
 
 #include <math_private.h>
 
+#undef __ieee754_sqrtl
 long double
 __ieee754_sqrtl (long double x)
 {
@@ -16,3 +17,4 @@ __ieee754_sqrtl (long double x)
 
   return res;
 }
+strong_alias (__ieee754_sqrtl, __sqrtl_finite)
diff --git a/sysdeps/ia64/fpu/bits/math-finite.h b/sysdeps/ia64/fpu/bits/math-finite.h
new file mode 100644
index 0000000000..8901b2dc4d
--- /dev/null
+++ b/sysdeps/ia64/fpu/bits/math-finite.h
@@ -0,0 +1,25 @@
+/* Entry points to finite-math-only compiler runs.
+   Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _MATH_H
+# error "Never use <bits/math-finite.h> directly; include <math.h> instead."
+#endif
+
+/* Nothing can be done for IA-64 since the math functions differ in their
+   structure.  */
diff --git a/sysdeps/ieee754/dbl-64/e_acosh.c b/sysdeps/ieee754/dbl-64/e_acosh.c
index 27c29cd8c9..f474e9ab5c 100644
--- a/sysdeps/ieee754/dbl-64/e_acosh.c
+++ b/sysdeps/ieee754/dbl-64/e_acosh.c
@@ -5,18 +5,14 @@
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_acosh.c,v 1.9 1995/05/12 04:57:18 jtc Exp $";
-#endif
-
 /* __ieee754_acosh(x)
  * Method :
- *	Based on 
+ *	Based on
  *		acosh(x) = log [ x + sqrt(x*x-1) ]
  *	we have
  *		acosh(x) := log(x)+ln2,	if x is large; else
@@ -31,21 +27,13 @@ static char rcsid[] = "$NetBSD: e_acosh.c,v 1.9 1995/05/12 04:57:18 jtc Exp $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
-static const double 
-#else
-static double 
-#endif
+static const double
 one	= 1.0,
 ln2	= 6.93147180559945286227e-01;  /* 0x3FE62E42, 0xFEFA39EF */
 
-#ifdef __STDC__
-	double __ieee754_acosh(double x)
-#else
-	double __ieee754_acosh(x)
-	double x;
-#endif
-{	
+double
+__ieee754_acosh(double x)
+{
 	double t;
 	int32_t hx;
 	u_int32_t lx;
@@ -54,8 +42,8 @@ ln2	= 6.93147180559945286227e-01;  /* 0x3FE62E42, 0xFEFA39EF */
 	    return (x-x)/(x-x);
 	} else if(hx >=0x41b00000) {	/* x > 2**28 */
 	    if(hx >=0x7ff00000) {	/* x is inf of NaN */
-	        return x+x;
-	    } else 
+		return x+x;
+	    } else
 		return __ieee754_log(x)+ln2;	/* acosh(huge)=log(2x) */
 	} else if(((hx-0x3ff00000)|lx)==0) {
 	    return 0.0;			/* acosh(1) = 0 */
@@ -67,3 +55,4 @@ ln2	= 6.93147180559945286227e-01;  /* 0x3FE62E42, 0xFEFA39EF */
 	    return __log1p(t+__sqrt(2.0*t+t*t));
 	}
 }
+strong_alias (__ieee754_acosh, __acosh_finite)
diff --git a/sysdeps/ieee754/dbl-64/e_asin.c b/sysdeps/ieee754/dbl-64/e_asin.c
index ce5d227b71..02efb7ad2e 100644
--- a/sysdeps/ieee754/dbl-64/e_asin.c
+++ b/sysdeps/ieee754/dbl-64/e_asin.c
@@ -1,7 +1,7 @@
 /*
  * IBM Accurate Mathematical Library
  * written by International Business Machines Corp.
- * Copyright (C) 2001 Free Software Foundation
+ * Copyright (C) 2001, 2011 Free Software Foundation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -209,9 +209,9 @@ double __ieee754_asin(double x){
     else xx = -x - asncs.x[n];
     t = asncs.x[n+1]*xx;
     p=xx*xx*(asncs.x[n+2]+xx*(asncs.x[n+3]+xx*(asncs.x[n+4]+
-                      xx*(asncs.x[n+5]+xx*(asncs.x[n+6]
+		      xx*(asncs.x[n+5]+xx*(asncs.x[n+6]
 		      +xx*(asncs.x[n+7]+xx*(asncs.x[n+8]+
-                      xx*asncs.x[n+9])))))))+asncs.x[n+10];
+		      xx*asncs.x[n+9])))))))+asncs.x[n+10];
     t+=p;
     res =asncs.x[n+11] +t;
     cor = (asncs.x[n+11]-res)+t;
@@ -248,9 +248,9 @@ double __ieee754_asin(double x){
     else xx = -x - asncs.x[n];
     t = asncs.x[n+1]*xx;
     p=xx*xx*(asncs.x[n+2]+xx*(asncs.x[n+3]+xx*(asncs.x[n+4]+
-                         xx*(asncs.x[n+5]+xx*(asncs.x[n+6]
+			 xx*(asncs.x[n+5]+xx*(asncs.x[n+6]
 			 +xx*(asncs.x[n+7]+xx*(asncs.x[n+8]+
-                    xx*(asncs.x[n+9]+xx*asncs.x[n+10]))))))))+asncs.x[n+11];
+		    xx*(asncs.x[n+9]+xx*asncs.x[n+10]))))))))+asncs.x[n+11];
     t+=p;
     res =asncs.x[n+12] +t;
     cor = (asncs.x[n+12]-res)+t;
@@ -324,6 +324,7 @@ double __ieee754_asin(double x){
     return u.x/v.x;  /* NaN */
  }
 }
+strong_alias (__ieee754_asin, __asin_finite)
 
 /*******************************************************************/
 /*                                                                 */
@@ -397,7 +398,7 @@ double __ieee754_acos(double x)
     else xx = -x - asncs.x[n];
     t = asncs.x[n+1]*xx;
     p=xx*xx*(asncs.x[n+2]+xx*(asncs.x[n+3]+xx*(asncs.x[n+4]+
-                   xx*(asncs.x[n+5]+xx*asncs.x[n+6]))))+asncs.x[n+7];
+		   xx*(asncs.x[n+5]+xx*asncs.x[n+6]))))+asncs.x[n+7];
     t+=p;
     y = (m>0)?(hp0.x-asncs.x[n+8]):(hp0.x+asncs.x[n+8]);
     t = (m>0)?(hp1.x-t):(hp1.x+t);
@@ -433,8 +434,8 @@ double __ieee754_acos(double x)
     else {xx = -x - asncs.x[n]; eps=1.02; }
     t = asncs.x[n+1]*xx;
     p=xx*xx*(asncs.x[n+2]+xx*(asncs.x[n+3]+xx*(asncs.x[n+4]+
-                   xx*(asncs.x[n+5]+xx*(asncs.x[n+6]+
-                   xx*asncs.x[n+7])))))+asncs.x[n+8];
+		   xx*(asncs.x[n+5]+xx*(asncs.x[n+6]+
+		   xx*asncs.x[n+7])))))+asncs.x[n+8];
     t+=p;
    y = (m>0)?(hp0.x-asncs.x[n+9]):(hp0.x+asncs.x[n+9]);
    t = (m>0)?(hp1.x-t):(hp1.x+t);
@@ -468,8 +469,8 @@ double __ieee754_acos(double x)
     else {xx = -x - asncs.x[n]; eps = 1.01; }
     t = asncs.x[n+1]*xx;
     p=xx*xx*(asncs.x[n+2]+xx*(asncs.x[n+3]+xx*(asncs.x[n+4]+
-                      xx*(asncs.x[n+5]+xx*(asncs.x[n+6]+xx*(asncs.x[n+7]+
-                      xx*asncs.x[n+8]))))))+asncs.x[n+9];
+		      xx*(asncs.x[n+5]+xx*(asncs.x[n+6]+xx*(asncs.x[n+7]+
+		      xx*asncs.x[n+8]))))))+asncs.x[n+9];
     t+=p;
     y = (m>0)?(hp0.x-asncs.x[n+10]):(hp0.x+asncs.x[n+10]);
     t = (m>0)?(hp1.x-t):(hp1.x+t);
@@ -503,9 +504,9 @@ double __ieee754_acos(double x)
     else {xx = -x - asncs.x[n]; eps =1.005; }
     t = asncs.x[n+1]*xx;
     p=xx*xx*(asncs.x[n+2]+xx*(asncs.x[n+3]+xx*(asncs.x[n+4]+
-                   xx*(asncs.x[n+5]+xx*(asncs.x[n+6]
+		   xx*(asncs.x[n+5]+xx*(asncs.x[n+6]
 		   +xx*(asncs.x[n+7]+xx*(asncs.x[n+8]+
-                   xx*asncs.x[n+9])))))))+asncs.x[n+10];
+		   xx*asncs.x[n+9])))))))+asncs.x[n+10];
     t+=p;
     y = (m>0)?(hp0.x-asncs.x[n+11]):(hp0.x+asncs.x[n+11]);
     t = (m>0)?(hp1.x-t):(hp1.x+t);
@@ -539,9 +540,9 @@ double __ieee754_acos(double x)
     else {xx = -x - asncs.x[n]; eps=1.005;}
     t = asncs.x[n+1]*xx;
     p=xx*xx*(asncs.x[n+2]+xx*(asncs.x[n+3]+xx*(asncs.x[n+4]+
-            xx*(asncs.x[n+5]+xx*(asncs.x[n+6]
+	    xx*(asncs.x[n+5]+xx*(asncs.x[n+6]
 	    +xx*(asncs.x[n+7]+xx*(asncs.x[n+8]+xx*(asncs.x[n+9]+
-            xx*asncs.x[n+10]))))))))+asncs.x[n+11];
+	    xx*asncs.x[n+10]))))))))+asncs.x[n+11];
     t+=p;
     y = (m>0)?(hp0.x-asncs.x[n+12]):(hp0.x+asncs.x[n+12]);
    t = (m>0)?(hp1.x-t):(hp1.x+t);
@@ -635,3 +636,4 @@ double __ieee754_acos(double x)
     return u.x/v.x;
   }
 }
+strong_alias (__ieee754_acos, __acos_finite)
diff --git a/sysdeps/ieee754/dbl-64/e_atan2.c b/sysdeps/ieee754/dbl-64/e_atan2.c
index 9e1a794ec8..784fc5a0c3 100644
--- a/sysdeps/ieee754/dbl-64/e_atan2.c
+++ b/sysdeps/ieee754/dbl-64/e_atan2.c
@@ -63,7 +63,7 @@ double __ieee754_atan2(double y,double x) {
 #endif
   static const int pr[MM]={6,8,10,20,32};
   double ax,ay,u,du,u9,ua,v,vv,dv,t1,t2,t3,t4,t5,t6,t7,t8,
-         z,zz,cor,s1,ss1,s2,ss2;
+	 z,zz,cor,s1,ss1,s2,ss2;
 #if 0
   double z1,z2;
 #endif
@@ -73,7 +73,7 @@ double __ieee754_atan2(double y,double x) {
 #endif
 
   static const int ep= 59768832,   /*  57*16**5   */
-                   em=-59768832;   /* -57*16**5   */
+		   em=-59768832;   /* -57*16**5   */
 
   /* x=NaN or y=NaN */
   num.d = x;  ux = num.i[HIGH_HALF];  dx = num.i[LOW_HALF];
@@ -102,23 +102,23 @@ double __ieee754_atan2(double y,double x) {
   if          (ux==0x7ff00000) {
     if        (dx==0x00000000) {
       if      (uy==0x7ff00000) {
-        if    (dy==0x00000000)  return qpi.d; }
+	if    (dy==0x00000000)  return qpi.d; }
       else if (uy==0xfff00000) {
-        if    (dy==0x00000000)  return mqpi.d; }
+	if    (dy==0x00000000)  return mqpi.d; }
       else {
-        if    ((uy&0x80000000)==0x00000000)  return ZERO;
-        else                                 return MZERO; }
+	if    ((uy&0x80000000)==0x00000000)  return ZERO;
+	else                                 return MZERO; }
     }
   }
   else if     (ux==0xfff00000) {
     if        (dx==0x00000000) {
       if      (uy==0x7ff00000) {
-        if    (dy==0x00000000)  return tqpi.d; }
+	if    (dy==0x00000000)  return tqpi.d; }
       else if (uy==0xfff00000) {
-        if    (dy==0x00000000)  return mtqpi.d; }
+	if    (dy==0x00000000)  return mtqpi.d; }
       else                     {
-        if    ((uy&0x80000000)==0x00000000)  return opi.d;
-        else                                 return mopi.d; }
+	if    ((uy&0x80000000)==0x00000000)  return opi.d;
+	else                                 return mopi.d; }
     }
   }
 
@@ -156,108 +156,108 @@ double __ieee754_atan2(double y,double x) {
     /* (i)   x>0, abs(y)< abs(x):  atan(ay/ax) */
     if (ay<ax) {
       if (u<inv16.d) {
-        v=u*u;  zz=du+u*v*(d3.d+v*(d5.d+v*(d7.d+v*(d9.d+v*(d11.d+v*d13.d)))));
-        if ((z=u+(zz-u1.d*u)) == u+(zz+u1.d*u))  return signArctan2(y,z);
+	v=u*u;  zz=du+u*v*(d3.d+v*(d5.d+v*(d7.d+v*(d9.d+v*(d11.d+v*d13.d)))));
+	if ((z=u+(zz-u1.d*u)) == u+(zz+u1.d*u))  return signArctan2(y,z);
 
-        MUL2(u,du,u,du,v,vv,t1,t2,t3,t4,t5,t6,t7,t8)
-        s1=v*(f11.d+v*(f13.d+v*(f15.d+v*(f17.d+v*f19.d))));
-        ADD2(f9.d,ff9.d,s1,ZERO,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(f7.d,ff7.d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(f5.d,ff5.d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(f3.d,ff3.d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        MUL2(u,du,s1,ss1,s2,ss2,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(u,du,s2,ss2,s1,ss1,t1,t2)
-        if ((z=s1+(ss1-u5.d*s1)) == s1+(ss1+u5.d*s1))  return signArctan2(y,z);
-        return atan2Mp(x,y,pr);
+	MUL2(u,du,u,du,v,vv,t1,t2,t3,t4,t5,t6,t7,t8)
+	s1=v*(f11.d+v*(f13.d+v*(f15.d+v*(f17.d+v*f19.d))));
+	ADD2(f9.d,ff9.d,s1,ZERO,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(f7.d,ff7.d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(f5.d,ff5.d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(f3.d,ff3.d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	MUL2(u,du,s1,ss1,s2,ss2,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(u,du,s2,ss2,s1,ss1,t1,t2)
+	if ((z=s1+(ss1-u5.d*s1)) == s1+(ss1+u5.d*s1))  return signArctan2(y,z);
+	return atan2Mp(x,y,pr);
       }
       else {
-        i=(TWO52+TWO8*u)-TWO52;  i-=16;
-        t3=u-cij[i][0].d;
-        EADD(t3,du,v,dv)
-        t1=cij[i][1].d;  t2=cij[i][2].d;
-        zz=v*t2+(dv*t2+v*v*(cij[i][3].d+v*(cij[i][4].d+
-                         v*(cij[i][5].d+v* cij[i][6].d))));
-        if (i<112) {
-          if (i<48)  u9=u91.d;    /* u < 1/4        */
-          else       u9=u92.d; }  /* 1/4 <= u < 1/2 */
-        else {
-          if (i<176) u9=u93.d;    /* 1/2 <= u < 3/4 */
-          else       u9=u94.d; }  /* 3/4 <= u <= 1  */
-        if ((z=t1+(zz-u9*t1)) == t1+(zz+u9*t1))  return signArctan2(y,z);
+	i=(TWO52+TWO8*u)-TWO52;  i-=16;
+	t3=u-cij[i][0].d;
+	EADD(t3,du,v,dv)
+	t1=cij[i][1].d;  t2=cij[i][2].d;
+	zz=v*t2+(dv*t2+v*v*(cij[i][3].d+v*(cij[i][4].d+
+			 v*(cij[i][5].d+v* cij[i][6].d))));
+	if (i<112) {
+	  if (i<48)  u9=u91.d;    /* u < 1/4        */
+	  else       u9=u92.d; }  /* 1/4 <= u < 1/2 */
+	else {
+	  if (i<176) u9=u93.d;    /* 1/2 <= u < 3/4 */
+	  else       u9=u94.d; }  /* 3/4 <= u <= 1  */
+	if ((z=t1+(zz-u9*t1)) == t1+(zz+u9*t1))  return signArctan2(y,z);
 
-        t1=u-hij[i][0].d;
-        EADD(t1,du,v,vv)
-        s1=v*(hij[i][11].d+v*(hij[i][12].d+v*(hij[i][13].d+
-           v*(hij[i][14].d+v* hij[i][15].d))));
-        ADD2(hij[i][9].d,hij[i][10].d,s1,ZERO,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(hij[i][7].d,hij[i][8].d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(hij[i][5].d,hij[i][6].d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(hij[i][3].d,hij[i][4].d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(hij[i][1].d,hij[i][2].d,s1,ss1,s2,ss2,t1,t2)
-        if ((z=s2+(ss2-ub.d*s2)) == s2+(ss2+ub.d*s2))  return signArctan2(y,z);
-        return atan2Mp(x,y,pr);
+	t1=u-hij[i][0].d;
+	EADD(t1,du,v,vv)
+	s1=v*(hij[i][11].d+v*(hij[i][12].d+v*(hij[i][13].d+
+	   v*(hij[i][14].d+v* hij[i][15].d))));
+	ADD2(hij[i][9].d,hij[i][10].d,s1,ZERO,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(hij[i][7].d,hij[i][8].d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(hij[i][5].d,hij[i][6].d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(hij[i][3].d,hij[i][4].d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(hij[i][1].d,hij[i][2].d,s1,ss1,s2,ss2,t1,t2)
+	if ((z=s2+(ss2-ub.d*s2)) == s2+(ss2+ub.d*s2))  return signArctan2(y,z);
+	return atan2Mp(x,y,pr);
       }
     }
 
     /* (ii)  x>0, abs(x)<=abs(y):  pi/2-atan(ax/ay) */
     else {
       if (u<inv16.d) {
-        v=u*u;
-        zz=u*v*(d3.d+v*(d5.d+v*(d7.d+v*(d9.d+v*(d11.d+v*d13.d)))));
-        ESUB(hpi.d,u,t2,cor)
-        t3=((hpi1.d+cor)-du)-zz;
-        if ((z=t2+(t3-u2.d)) == t2+(t3+u2.d))  return signArctan2(y,z);
+	v=u*u;
+	zz=u*v*(d3.d+v*(d5.d+v*(d7.d+v*(d9.d+v*(d11.d+v*d13.d)))));
+	ESUB(hpi.d,u,t2,cor)
+	t3=((hpi1.d+cor)-du)-zz;
+	if ((z=t2+(t3-u2.d)) == t2+(t3+u2.d))  return signArctan2(y,z);
 
-        MUL2(u,du,u,du,v,vv,t1,t2,t3,t4,t5,t6,t7,t8)
-        s1=v*(f11.d+v*(f13.d+v*(f15.d+v*(f17.d+v*f19.d))));
-        ADD2(f9.d,ff9.d,s1,ZERO,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(f7.d,ff7.d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(f5.d,ff5.d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(f3.d,ff3.d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        MUL2(u,du,s1,ss1,s2,ss2,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(u,du,s2,ss2,s1,ss1,t1,t2)
-        SUB2(hpi.d,hpi1.d,s1,ss1,s2,ss2,t1,t2)
-        if ((z=s2+(ss2-u6.d)) == s2+(ss2+u6.d))  return signArctan2(y,z);
-        return atan2Mp(x,y,pr);
+	MUL2(u,du,u,du,v,vv,t1,t2,t3,t4,t5,t6,t7,t8)
+	s1=v*(f11.d+v*(f13.d+v*(f15.d+v*(f17.d+v*f19.d))));
+	ADD2(f9.d,ff9.d,s1,ZERO,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(f7.d,ff7.d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(f5.d,ff5.d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(f3.d,ff3.d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	MUL2(u,du,s1,ss1,s2,ss2,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(u,du,s2,ss2,s1,ss1,t1,t2)
+	SUB2(hpi.d,hpi1.d,s1,ss1,s2,ss2,t1,t2)
+	if ((z=s2+(ss2-u6.d)) == s2+(ss2+u6.d))  return signArctan2(y,z);
+	return atan2Mp(x,y,pr);
       }
       else {
-        i=(TWO52+TWO8*u)-TWO52;  i-=16;
-        v=(u-cij[i][0].d)+du;
-        zz=hpi1.d-v*(cij[i][2].d+v*(cij[i][3].d+v*(cij[i][4].d+
-                                 v*(cij[i][5].d+v* cij[i][6].d))));
-        t1=hpi.d-cij[i][1].d;
-        if (i<112)  ua=ua1.d;  /* w <  1/2 */
-        else        ua=ua2.d;  /* w >= 1/2 */
-        if ((z=t1+(zz-ua)) == t1+(zz+ua))  return signArctan2(y,z);
+	i=(TWO52+TWO8*u)-TWO52;  i-=16;
+	v=(u-cij[i][0].d)+du;
+	zz=hpi1.d-v*(cij[i][2].d+v*(cij[i][3].d+v*(cij[i][4].d+
+				 v*(cij[i][5].d+v* cij[i][6].d))));
+	t1=hpi.d-cij[i][1].d;
+	if (i<112)  ua=ua1.d;  /* w <  1/2 */
+	else        ua=ua2.d;  /* w >= 1/2 */
+	if ((z=t1+(zz-ua)) == t1+(zz+ua))  return signArctan2(y,z);
 
-        t1=u-hij[i][0].d;
-        EADD(t1,du,v,vv)
-        s1=v*(hij[i][11].d+v*(hij[i][12].d+v*(hij[i][13].d+
-           v*(hij[i][14].d+v* hij[i][15].d))));
-        ADD2(hij[i][9].d,hij[i][10].d,s1,ZERO,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(hij[i][7].d,hij[i][8].d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(hij[i][5].d,hij[i][6].d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(hij[i][3].d,hij[i][4].d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(hij[i][1].d,hij[i][2].d,s1,ss1,s2,ss2,t1,t2)
-        SUB2(hpi.d,hpi1.d,s2,ss2,s1,ss1,t1,t2)
-        if ((z=s1+(ss1-uc.d)) == s1+(ss1+uc.d))  return signArctan2(y,z);
-        return atan2Mp(x,y,pr);
+	t1=u-hij[i][0].d;
+	EADD(t1,du,v,vv)
+	s1=v*(hij[i][11].d+v*(hij[i][12].d+v*(hij[i][13].d+
+	   v*(hij[i][14].d+v* hij[i][15].d))));
+	ADD2(hij[i][9].d,hij[i][10].d,s1,ZERO,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(hij[i][7].d,hij[i][8].d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(hij[i][5].d,hij[i][6].d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(hij[i][3].d,hij[i][4].d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(hij[i][1].d,hij[i][2].d,s1,ss1,s2,ss2,t1,t2)
+	SUB2(hpi.d,hpi1.d,s2,ss2,s1,ss1,t1,t2)
+	if ((z=s1+(ss1-uc.d)) == s1+(ss1+uc.d))  return signArctan2(y,z);
+	return atan2Mp(x,y,pr);
       }
     }
   }
@@ -266,112 +266,114 @@ double __ieee754_atan2(double y,double x) {
     /* (iii) x<0, abs(x)< abs(y):  pi/2+atan(ax/ay) */
     if (ax<ay) {
       if (u<inv16.d) {
-        v=u*u;
-        zz=u*v*(d3.d+v*(d5.d+v*(d7.d+v*(d9.d+v*(d11.d+v*d13.d)))));
-        EADD(hpi.d,u,t2,cor)
-        t3=((hpi1.d+cor)+du)+zz;
-        if ((z=t2+(t3-u3.d)) == t2+(t3+u3.d))  return signArctan2(y,z);
+	v=u*u;
+	zz=u*v*(d3.d+v*(d5.d+v*(d7.d+v*(d9.d+v*(d11.d+v*d13.d)))));
+	EADD(hpi.d,u,t2,cor)
+	t3=((hpi1.d+cor)+du)+zz;
+	if ((z=t2+(t3-u3.d)) == t2+(t3+u3.d))  return signArctan2(y,z);
 
-        MUL2(u,du,u,du,v,vv,t1,t2,t3,t4,t5,t6,t7,t8)
-        s1=v*(f11.d+v*(f13.d+v*(f15.d+v*(f17.d+v*f19.d))));
-        ADD2(f9.d,ff9.d,s1,ZERO,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(f7.d,ff7.d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(f5.d,ff5.d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(f3.d,ff3.d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        MUL2(u,du,s1,ss1,s2,ss2,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(u,du,s2,ss2,s1,ss1,t1,t2)
-        ADD2(hpi.d,hpi1.d,s1,ss1,s2,ss2,t1,t2)
-        if ((z=s2+(ss2-u7.d)) == s2+(ss2+u7.d))  return signArctan2(y,z);
-        return atan2Mp(x,y,pr);
+	MUL2(u,du,u,du,v,vv,t1,t2,t3,t4,t5,t6,t7,t8)
+	s1=v*(f11.d+v*(f13.d+v*(f15.d+v*(f17.d+v*f19.d))));
+	ADD2(f9.d,ff9.d,s1,ZERO,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(f7.d,ff7.d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(f5.d,ff5.d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(f3.d,ff3.d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	MUL2(u,du,s1,ss1,s2,ss2,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(u,du,s2,ss2,s1,ss1,t1,t2)
+	ADD2(hpi.d,hpi1.d,s1,ss1,s2,ss2,t1,t2)
+	if ((z=s2+(ss2-u7.d)) == s2+(ss2+u7.d))  return signArctan2(y,z);
+	return atan2Mp(x,y,pr);
       }
       else {
-        i=(TWO52+TWO8*u)-TWO52;  i-=16;
-        v=(u-cij[i][0].d)+du;
-        zz=hpi1.d+v*(cij[i][2].d+v*(cij[i][3].d+v*(cij[i][4].d+
-                                 v*(cij[i][5].d+v* cij[i][6].d))));
-        t1=hpi.d+cij[i][1].d;
-        if (i<112)  ua=ua1.d;  /* w <  1/2 */
-        else        ua=ua2.d;  /* w >= 1/2 */
-        if ((z=t1+(zz-ua)) == t1+(zz+ua))  return signArctan2(y,z);
+	i=(TWO52+TWO8*u)-TWO52;  i-=16;
+	v=(u-cij[i][0].d)+du;
+	zz=hpi1.d+v*(cij[i][2].d+v*(cij[i][3].d+v*(cij[i][4].d+
+				 v*(cij[i][5].d+v* cij[i][6].d))));
+	t1=hpi.d+cij[i][1].d;
+	if (i<112)  ua=ua1.d;  /* w <  1/2 */
+	else        ua=ua2.d;  /* w >= 1/2 */
+	if ((z=t1+(zz-ua)) == t1+(zz+ua))  return signArctan2(y,z);
 
-        t1=u-hij[i][0].d;
-        EADD(t1,du,v,vv)
-        s1=v*(hij[i][11].d+v*(hij[i][12].d+v*(hij[i][13].d+
-           v*(hij[i][14].d+v* hij[i][15].d))));
-        ADD2(hij[i][9].d,hij[i][10].d,s1,ZERO,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(hij[i][7].d,hij[i][8].d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(hij[i][5].d,hij[i][6].d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(hij[i][3].d,hij[i][4].d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(hij[i][1].d,hij[i][2].d,s1,ss1,s2,ss2,t1,t2)
-        ADD2(hpi.d,hpi1.d,s2,ss2,s1,ss1,t1,t2)
-        if ((z=s1+(ss1-uc.d)) == s1+(ss1+uc.d))  return signArctan2(y,z);
-        return atan2Mp(x,y,pr);
+	t1=u-hij[i][0].d;
+	EADD(t1,du,v,vv)
+	s1=v*(hij[i][11].d+v*(hij[i][12].d+v*(hij[i][13].d+
+	   v*(hij[i][14].d+v* hij[i][15].d))));
+	ADD2(hij[i][9].d,hij[i][10].d,s1,ZERO,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(hij[i][7].d,hij[i][8].d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(hij[i][5].d,hij[i][6].d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(hij[i][3].d,hij[i][4].d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(hij[i][1].d,hij[i][2].d,s1,ss1,s2,ss2,t1,t2)
+	ADD2(hpi.d,hpi1.d,s2,ss2,s1,ss1,t1,t2)
+	if ((z=s1+(ss1-uc.d)) == s1+(ss1+uc.d))  return signArctan2(y,z);
+	return atan2Mp(x,y,pr);
       }
     }
 
     /* (iv)  x<0, abs(y)<=abs(x):  pi-atan(ax/ay) */
     else {
       if (u<inv16.d) {
-        v=u*u;
-        zz=u*v*(d3.d+v*(d5.d+v*(d7.d+v*(d9.d+v*(d11.d+v*d13.d)))));
-        ESUB(opi.d,u,t2,cor)
-        t3=((opi1.d+cor)-du)-zz;
-        if ((z=t2+(t3-u4.d)) == t2+(t3+u4.d))  return signArctan2(y,z);
+	v=u*u;
+	zz=u*v*(d3.d+v*(d5.d+v*(d7.d+v*(d9.d+v*(d11.d+v*d13.d)))));
+	ESUB(opi.d,u,t2,cor)
+	t3=((opi1.d+cor)-du)-zz;
+	if ((z=t2+(t3-u4.d)) == t2+(t3+u4.d))  return signArctan2(y,z);
 
-        MUL2(u,du,u,du,v,vv,t1,t2,t3,t4,t5,t6,t7,t8)
-        s1=v*(f11.d+v*(f13.d+v*(f15.d+v*(f17.d+v*f19.d))));
-        ADD2(f9.d,ff9.d,s1,ZERO,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(f7.d,ff7.d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(f5.d,ff5.d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(f3.d,ff3.d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        MUL2(u,du,s1,ss1,s2,ss2,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(u,du,s2,ss2,s1,ss1,t1,t2)
-        SUB2(opi.d,opi1.d,s1,ss1,s2,ss2,t1,t2)
-        if ((z=s2+(ss2-u8.d)) == s2+(ss2+u8.d))  return signArctan2(y,z);
-        return atan2Mp(x,y,pr);
+	MUL2(u,du,u,du,v,vv,t1,t2,t3,t4,t5,t6,t7,t8)
+	s1=v*(f11.d+v*(f13.d+v*(f15.d+v*(f17.d+v*f19.d))));
+	ADD2(f9.d,ff9.d,s1,ZERO,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(f7.d,ff7.d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(f5.d,ff5.d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(f3.d,ff3.d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	MUL2(u,du,s1,ss1,s2,ss2,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(u,du,s2,ss2,s1,ss1,t1,t2)
+	SUB2(opi.d,opi1.d,s1,ss1,s2,ss2,t1,t2)
+	if ((z=s2+(ss2-u8.d)) == s2+(ss2+u8.d))  return signArctan2(y,z);
+	return atan2Mp(x,y,pr);
       }
       else {
-        i=(TWO52+TWO8*u)-TWO52;  i-=16;
-        v=(u-cij[i][0].d)+du;
-        zz=opi1.d-v*(cij[i][2].d+v*(cij[i][3].d+v*(cij[i][4].d+
-                                 v*(cij[i][5].d+v* cij[i][6].d))));
-        t1=opi.d-cij[i][1].d;
-        if (i<112)  ua=ua1.d;  /* w <  1/2 */
-        else        ua=ua2.d;  /* w >= 1/2 */
-        if ((z=t1+(zz-ua)) == t1+(zz+ua))  return signArctan2(y,z);
+	i=(TWO52+TWO8*u)-TWO52;  i-=16;
+	v=(u-cij[i][0].d)+du;
+	zz=opi1.d-v*(cij[i][2].d+v*(cij[i][3].d+v*(cij[i][4].d+
+				 v*(cij[i][5].d+v* cij[i][6].d))));
+	t1=opi.d-cij[i][1].d;
+	if (i<112)  ua=ua1.d;  /* w <  1/2 */
+	else        ua=ua2.d;  /* w >= 1/2 */
+	if ((z=t1+(zz-ua)) == t1+(zz+ua))  return signArctan2(y,z);
 
-        t1=u-hij[i][0].d;
-        EADD(t1,du,v,vv)
-        s1=v*(hij[i][11].d+v*(hij[i][12].d+v*(hij[i][13].d+
-           v*(hij[i][14].d+v* hij[i][15].d))));
-        ADD2(hij[i][9].d,hij[i][10].d,s1,ZERO,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(hij[i][7].d,hij[i][8].d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(hij[i][5].d,hij[i][6].d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(hij[i][3].d,hij[i][4].d,s1,ss1,s2,ss2,t1,t2)
-        MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
-        ADD2(hij[i][1].d,hij[i][2].d,s1,ss1,s2,ss2,t1,t2)
-        SUB2(opi.d,opi1.d,s2,ss2,s1,ss1,t1,t2)
-        if ((z=s1+(ss1-uc.d)) == s1+(ss1+uc.d))  return signArctan2(y,z);
-        return atan2Mp(x,y,pr);
+	t1=u-hij[i][0].d;
+	EADD(t1,du,v,vv)
+	s1=v*(hij[i][11].d+v*(hij[i][12].d+v*(hij[i][13].d+
+	   v*(hij[i][14].d+v* hij[i][15].d))));
+	ADD2(hij[i][9].d,hij[i][10].d,s1,ZERO,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(hij[i][7].d,hij[i][8].d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(hij[i][5].d,hij[i][6].d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(hij[i][3].d,hij[i][4].d,s1,ss1,s2,ss2,t1,t2)
+	MUL2(v,vv,s2,ss2,s1,ss1,t1,t2,t3,t4,t5,t6,t7,t8)
+	ADD2(hij[i][1].d,hij[i][2].d,s1,ss1,s2,ss2,t1,t2)
+	SUB2(opi.d,opi1.d,s2,ss2,s1,ss1,t1,t2)
+	if ((z=s1+(ss1-uc.d)) == s1+(ss1+uc.d))  return signArctan2(y,z);
+	return atan2Mp(x,y,pr);
       }
     }
   }
 }
+strong_alias (__ieee754_atan2, __atan2_finite)
+
   /* Treat the Denormalized case */
 static double  normalized(double ax,double ay,double y, double z)
     { int p;
diff --git a/sysdeps/ieee754/dbl-64/e_atanh.c b/sysdeps/ieee754/dbl-64/e_atanh.c
index fa4fe675c9..de3bc8f144 100644
--- a/sysdeps/ieee754/dbl-64/e_atanh.c
+++ b/sysdeps/ieee754/dbl-64/e_atanh.c
@@ -1,74 +1,70 @@
-/* @(#)e_atanh.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
- * is preserved.
- * ====================================================
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_atanh.c,v 1.8 1995/05/10 20:44:55 jtc Exp $";
-#endif
 
 /* __ieee754_atanh(x)
- * Method :
- *    1.Reduced x to positive by atanh(-x) = -atanh(x)
- *    2.For x>=0.5
- *                  1              2x                          x
- *	atanh(x) = --- * log(1 + -------) = 0.5 * log1p(2 * --------)
- *                  2             1 - x                      1 - x
- *	
- * 	For x<0.5
- *	atanh(x) = 0.5*log1p(2x+2x*x/(1-x))
- *
- * Special cases:
- *	atanh(x) is NaN if |x| > 1 with signal;
- *	atanh(NaN) is that NaN with no signal;
- *	atanh(+-1) is +-INF with signal.
- *
+   Method :
+      1.Reduced x to positive by atanh(-x) = -atanh(x)
+      2.For x>=0.5
+		    1              2x                          x
+	atanh(x) = --- * log(1 + -------) = 0.5 * log1p(2 * --------)
+		    2             1 - x                      1 - x
+
+	For x<0.5
+	atanh(x) = 0.5*log1p(2x+2x*x/(1-x))
+
+   Special cases:
+	atanh(x) is NaN if |x| > 1 with signal;
+	atanh(NaN) is that NaN with no signal;
+	atanh(+-1) is +-INF with signal.
+
  */
 
+#include <inttypes.h>
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
-static const double one = 1.0, huge = 1e300;
-#else
-static double one = 1.0, huge = 1e300;
-#endif
-
-#ifdef __STDC__
-static const double zero = 0.0;
-#else
-static double zero = 0.0;
-#endif
+static const double huge = 1e300;
 
-#ifdef __STDC__
-	double __ieee754_atanh(double x)
-#else
-	double __ieee754_atanh(x)
-	double x;
-#endif
+double
+__ieee754_atanh (double x)
 {
-	double t;
-	int32_t hx,ix;
-	u_int32_t lx;
-	EXTRACT_WORDS(hx,lx,x);
-	ix = hx&0x7fffffff;
-	if ((ix|((lx|(-lx))>>31))>0x3ff00000) /* |x|>1 */
-	    return (x-x)/(x-x);
-	if(ix==0x3ff00000) 
-	    return x/zero;
-	if(ix<0x3e300000&&(huge+x)>zero) return x;	/* x<2**-28 */
-	SET_HIGH_WORD(x,ix);
-	if(ix<0x3fe00000) {		/* x < 0.5 */
-	    t = x+x;
-	    t = 0.5*__log1p(t+t*x/(one-x));
-	} else 
-	    t = 0.5*__log1p((x+x)/(one-x));
-	if(hx>=0) return t; else return -t;
+  double xa = fabs (x);
+  double t;
+  if (xa < 0.5)
+    {
+      if (__builtin_expect (xa < 0x1.0p-28, 0) && (huge + x) > 0.0)
+	return x;
+
+      t = xa + xa;
+      t = 0.5 * __log1p (t + t * xa / (1.0 - xa));
+    }
+  else if (__builtin_expect (xa < 1.0, 1))
+    t = 0.5 * __log1p ((xa + xa) / (1.0 - xa));
+  else
+    {
+      if (xa > 1.0)
+	return (x - x) / (x - x);
+
+      return x / 0.0;
+    }
+
+  return __copysign (t, x);
 }
+strong_alias (__ieee754_atanh, __atanh_finite)
diff --git a/sysdeps/ieee754/dbl-64/e_cosh.c b/sysdeps/ieee754/dbl-64/e_cosh.c
index 65106b9989..180ca42881 100644
--- a/sysdeps/ieee754/dbl-64/e_cosh.c
+++ b/sysdeps/ieee754/dbl-64/e_cosh.c
@@ -1,11 +1,11 @@
-/* @(#)e_cosh.c 5.1 93/09/24 */
+/* Optimized by Ulrich Drepper <drepper@gmail.com>, 2011 */
 /*
  * ====================================================
  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
@@ -15,18 +15,18 @@ static char rcsid[] = "$NetBSD: e_cosh.c,v 1.7 1995/05/10 20:44:58 jtc Exp $";
 #endif
 
 /* __ieee754_cosh(x)
- * Method : 
+ * Method :
  * mathematically cosh(x) if defined to be (exp(x)+exp(-x))/2
- *	1. Replace x by |x| (cosh(x) = cosh(-x)). 
- *	2. 
- *		                                        [ exp(x) - 1 ]^2 
+ *	1. Replace x by |x| (cosh(x) = cosh(-x)).
+ *	2.
+ *							[ exp(x) - 1 ]^2
  *	    0        <= x <= ln2/2  :  cosh(x) := 1 + -------------------
- *			       			           2*exp(x)
+ *							   2*exp(x)
  *
- *		                                  exp(x) +  1/exp(x)
+ *						  exp(x) +  1/exp(x)
  *	    ln2/2    <= x <= 22     :  cosh(x) := -------------------
- *			       			          2
- *	    22       <= x <= lnovft :  cosh(x) := exp(x)/2 
+ *							  2
+ *	    22       <= x <= lnovft :  cosh(x) := exp(x)/2
  *	    lnovft   <= x <= ln2ovft:  cosh(x) := exp(x/2)/2 * exp(x/2)
  *	    ln2ovft  <  x	    :  cosh(x) := huge*huge (overflow)
  *
@@ -38,19 +38,11 @@ static char rcsid[] = "$NetBSD: e_cosh.c,v 1.7 1995/05/10 20:44:58 jtc Exp $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const double one = 1.0, half=0.5, huge = 1.0e300;
-#else
-static double one = 1.0, half=0.5, huge = 1.0e300;
-#endif
 
-#ifdef __STDC__
-	double __ieee754_cosh(double x)
-#else
-	double __ieee754_cosh(x)
-	double x;
-#endif
-{	
+double
+__ieee754_cosh (double x)
+{
 	double t,w;
 	int32_t ix;
 	u_int32_t lx;
@@ -59,19 +51,17 @@ static double one = 1.0, half=0.5, huge = 1.0e300;
 	GET_HIGH_WORD(ix,x);
 	ix &= 0x7fffffff;
 
-    /* x is INF or NaN */
-	if(ix>=0x7ff00000) return x*x;	
-
-    /* |x| in [0,0.5*ln2], return 1+expm1(|x|)^2/(2*exp(|x|)) */
-	if(ix<0x3fd62e43) {
-	    t = __expm1(fabs(x));
-	    w = one+t;
-	    if (ix<0x3c800000) return w;	/* cosh(tiny) = 1 */
-	    return one+(t*t)/(w+w);
-	}
-
-    /* |x| in [0.5*ln2,22], return (exp(|x|)+1/exp(|x|)/2; */
+    /* |x| in [0,22] */
 	if (ix < 0x40360000) {
+	    /* |x| in [0,0.5*ln2], return 1+expm1(|x|)^2/(2*exp(|x|)) */
+		if(ix<0x3fd62e43) {
+		    t = __expm1(fabs(x));
+		    w = one+t;
+		    if (ix<0x3c800000) return w;	/* cosh(tiny) = 1 */
+		    return one+(t*t)/(w+w);
+		}
+
+	    /* |x| in [0.5*ln2,22], return (exp(|x|)+1/exp(|x|)/2; */
 		t = __ieee754_exp(fabs(x));
 		return half*t+half/t;
 	}
@@ -87,6 +77,10 @@ static double one = 1.0, half=0.5, huge = 1.0e300;
 	    return t*w;
 	}
 
+    /* x is INF or NaN */
+	if(ix>=0x7ff00000) return x*x;
+
     /* |x| > overflowthresold, cosh(x) overflow */
 	return huge*huge;
 }
+strong_alias (__ieee754_cosh, __cosh_finite)
diff --git a/sysdeps/ieee754/dbl-64/e_exp2.c b/sysdeps/ieee754/dbl-64/e_exp2.c
index ce6368be43..674cdb058c 100644
--- a/sysdeps/ieee754/dbl-64/e_exp2.c
+++ b/sysdeps/ieee754/dbl-64/e_exp2.c
@@ -1,5 +1,6 @@
 /* Double-precision floating point 2^x.
-   Copyright (C) 1997,1998,2000,2001,2005,2006 Free Software Foundation, Inc.
+   Copyright (C) 1997,1998,2000,2001,2005,2006,2011
+   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Geoffrey Keating <geoffk@ozemail.com.au>
 
@@ -133,3 +134,4 @@ __ieee754_exp2 (double x)
     /* Return x, if x is a NaN or Inf; or overflow, otherwise.  */
     return TWO1023*x;
 }
+strong_alias (__ieee754_exp2, __exp2_finite)
diff --git a/sysdeps/ieee754/dbl-64/e_fmod.c b/sysdeps/ieee754/dbl-64/e_fmod.c
index 2ce613574a..a575f616bc 100644
--- a/sysdeps/ieee754/dbl-64/e_fmod.c
+++ b/sysdeps/ieee754/dbl-64/e_fmod.c
@@ -5,16 +5,12 @@
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_fmod.c,v 1.8 1995/05/10 20:45:07 jtc Exp $";
-#endif
-
-/* 
+/*
  * __ieee754_fmod(x,y)
  * Return x mod y in exact arithmetic
  * Method: shift and subtract
@@ -23,18 +19,10 @@ static char rcsid[] = "$NetBSD: e_fmod.c,v 1.8 1995/05/10 20:45:07 jtc Exp $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const double one = 1.0, Zero[] = {0.0, -0.0,};
-#else
-static double one = 1.0, Zero[] = {0.0, -0.0,};
-#endif
 
-#ifdef __STDC__
-	double __ieee754_fmod(double x, double y)
-#else
-	double __ieee754_fmod(x,y)
-	double x,y ;
-#endif
+double
+__ieee754_fmod (double x, double y)
 {
 	int32_t n,hx,hy,hz,ix,iy,sx,i;
 	u_int32_t lx,ly,lz;
@@ -51,7 +39,7 @@ static double one = 1.0, Zero[] = {0.0, -0.0,};
 	    return (x*y)/(x*y);
 	if(hx<=hy) {
 	    if((hx<hy)||(lx<ly)) return x;	/* |x|<|y| return x */
-	    if(lx==ly) 
+	    if(lx==ly)
 		return Zero[(u_int32_t)sx>>31];	/* |x|=|y| return x*0*/
 	}
 
@@ -74,25 +62,25 @@ static double one = 1.0, Zero[] = {0.0, -0.0,};
 	} else iy = (hy>>20)-1023;
 
     /* set up {hx,lx}, {hy,ly} and align y to x */
-	if(ix >= -1022) 
+	if(ix >= -1022)
 	    hx = 0x00100000|(0x000fffff&hx);
 	else {		/* subnormal x, shift x to normal */
 	    n = -1022-ix;
 	    if(n<=31) {
-	        hx = (hx<<n)|(lx>>(32-n));
-	        lx <<= n;
+		hx = (hx<<n)|(lx>>(32-n));
+		lx <<= n;
 	    } else {
 		hx = lx<<(n-32);
 		lx = 0;
 	    }
 	}
-	if(iy >= -1022) 
+	if(iy >= -1022)
 	    hy = 0x00100000|(0x000fffff&hy);
 	else {		/* subnormal y, shift y to normal */
 	    n = -1022-iy;
 	    if(n<=31) {
-	        hy = (hy<<n)|(ly>>(32-n));
-	        ly <<= n;
+		hy = (hy<<n)|(ly>>(32-n));
+		ly <<= n;
 	    } else {
 		hy = ly<<(n-32);
 		ly = 0;
@@ -105,17 +93,17 @@ static double one = 1.0, Zero[] = {0.0, -0.0,};
 	    hz=hx-hy;lz=lx-ly; if(lx<ly) hz -= 1;
 	    if(hz<0){hx = hx+hx+(lx>>31); lx = lx+lx;}
 	    else {
-	    	if((hz|lz)==0) 		/* return sign(x)*0 */
+		if((hz|lz)==0)		/* return sign(x)*0 */
 		    return Zero[(u_int32_t)sx>>31];
-	    	hx = hz+hz+(lz>>31); lx = lz+lz;
+		hx = hz+hz+(lz>>31); lx = lz+lz;
 	    }
 	}
 	hz=hx-hy;lz=lx-ly; if(lx<ly) hz -= 1;
 	if(hz>=0) {hx=hz;lx=lz;}
 
     /* convert back to floating value and restore the sign */
-	if((hx|lx)==0) 			/* return sign(x)*0 */
-	    return Zero[(u_int32_t)sx>>31];	
+	if((hx|lx)==0)			/* return sign(x)*0 */
+	    return Zero[(u_int32_t)sx>>31];
 	while(hx<0x00100000) {		/* normalize x */
 	    hx = hx+hx+(lx>>31); lx = lx+lx;
 	    iy -= 1;
@@ -138,3 +126,4 @@ static double one = 1.0, Zero[] = {0.0, -0.0,};
 	}
 	return x;		/* exact output */
 }
+strong_alias (__ieee754_fmod, __fmod_finite)
diff --git a/sysdeps/ieee754/dbl-64/e_gamma_r.c b/sysdeps/ieee754/dbl-64/e_gamma_r.c
index f32309350c..c4b7470e5b 100644
--- a/sysdeps/ieee754/dbl-64/e_gamma_r.c
+++ b/sysdeps/ieee754/dbl-64/e_gamma_r.c
@@ -1,5 +1,5 @@
 /* Implementation of gamma function according to ISO C.
-   Copyright (C) 1997, 1999, 2001, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1999, 2001, 2004, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -33,19 +33,20 @@ __ieee754_gamma_r (double x, int *signgamp)
 
   EXTRACT_WORDS (hx, lx, x);
 
-  if (((hx & 0x7fffffff) | lx) == 0)
+  if (__builtin_expect (((hx & 0x7fffffff) | lx) == 0, 0))
     {
       /* Return value for x == 0 is Inf with divide by zero exception.  */
       *signgamp = 0;
       return 1.0 / x;
     }
-  if (hx < 0 && (u_int32_t) hx < 0xfff00000 && __rint (x) == x)
+  if (__builtin_expect (hx < 0, 0)
+      && (u_int32_t) hx < 0xfff00000 && __rint (x) == x)
     {
       /* Return value for integer x < 0 is NaN with invalid exception.  */
       *signgamp = 0;
       return (x - x) / (x - x);
     }
-  if ((unsigned int) hx == 0xfff00000 && lx==0)
+  if (__builtin_expect ((unsigned int) hx == 0xfff00000 && lx==0, 0))
     {
       /* x == -Inf.  According to ISO this is NaN.  */
       *signgamp = 0;
@@ -55,3 +56,4 @@ __ieee754_gamma_r (double x, int *signgamp)
   /* XXX FIXME.  */
   return __ieee754_exp (__ieee754_lgamma_r (x, signgamp));
 }
+strong_alias (__ieee754_gamma_r, __gamma_r_finite)
diff --git a/sysdeps/ieee754/dbl-64/e_hypot.c b/sysdeps/ieee754/dbl-64/e_hypot.c
index 76a77ec33a..a89ccaa35e 100644
--- a/sysdeps/ieee754/dbl-64/e_hypot.c
+++ b/sysdeps/ieee754/dbl-64/e_hypot.c
@@ -10,10 +10,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_hypot.c,v 1.9 1995/05/12 04:57:27 jtc Exp $";
-#endif
-
 /* __ieee754_hypot(x,y)
  *
  * Method :
@@ -42,19 +38,15 @@ static char rcsid[] = "$NetBSD: e_hypot.c,v 1.9 1995/05/12 04:57:27 jtc Exp $";
  *	hypot(x,y) is NAN if x or y is NAN.
  *
  * Accuracy:
- * 	hypot(x,y) returns sqrt(x^2+y^2) with error less
- * 	than 1 ulps (units in the last place)
+ *	hypot(x,y) returns sqrt(x^2+y^2) with error less
+ *	than 1 ulps (units in the last place)
  */
 
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
-	double __ieee754_hypot(double x, double y)
-#else
-	double __ieee754_hypot(x,y)
-	double x, y;
-#endif
+double
+__ieee754_hypot(double x, double y)
 {
 	double a,b,t1,t2,y1,y2,w;
 	int32_t j,k,ha,hb;
@@ -68,7 +60,7 @@ static char rcsid[] = "$NetBSD: e_hypot.c,v 1.9 1995/05/12 04:57:27 jtc Exp $";
 	SET_HIGH_WORD(b,hb);	/* b <- |b| */
 	if((ha-hb)>0x3c00000) {return a+b;} /* x/y > 2**60 */
 	k=0;
-	if(ha > 0x5f300000) {	/* a>2**500 */
+	if(__builtin_expect(ha > 0x5f300000, 0)) {	/* a>2**500 */
 	   if(ha >= 0x7ff00000) {	/* Inf or NaN */
 	       u_int32_t low;
 	       w = a+b;			/* for sNaN */
@@ -83,9 +75,9 @@ static char rcsid[] = "$NetBSD: e_hypot.c,v 1.9 1995/05/12 04:57:27 jtc Exp $";
 	   SET_HIGH_WORD(a,ha);
 	   SET_HIGH_WORD(b,hb);
 	}
-	if(hb < 0x20b00000) {	/* b < 2**-500 */
+	if(__builtin_expect(hb < 0x20b00000, 0)) {	/* b < 2**-500 */
 	    if(hb <= 0x000fffff) {	/* subnormal b or 0 */
-	        u_int32_t low;
+		u_int32_t low;
 		GET_LOW_WORD(low,b);
 		if((hb|low)==0) return a;
 		t1=0;
@@ -94,7 +86,7 @@ static char rcsid[] = "$NetBSD: e_hypot.c,v 1.9 1995/05/12 04:57:27 jtc Exp $";
 		a *= t1;
 		k -= 1022;
 	    } else {		/* scale a and b by 2^600 */
-	        ha += 0x25800000; 	/* a *= 2^600 */
+		ha += 0x25800000;	/* a *= 2^600 */
 		hb += 0x25800000;	/* b *= 2^600 */
 		k -= 600;
 		SET_HIGH_WORD(a,ha);
@@ -126,3 +118,4 @@ static char rcsid[] = "$NetBSD: e_hypot.c,v 1.9 1995/05/12 04:57:27 jtc Exp $";
 	    return t1*w;
 	} else return w;
 }
+strong_alias (__ieee754_hypot, __hypot_finite)
diff --git a/sysdeps/ieee754/dbl-64/e_j0.c b/sysdeps/ieee754/dbl-64/e_j0.c
index 302df49d62..5ebf2056bf 100644
--- a/sysdeps/ieee754/dbl-64/e_j0.c
+++ b/sysdeps/ieee754/dbl-64/e_j0.c
@@ -13,10 +13,6 @@
    for performance improvement on pipelined processors.
 */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_j0.c,v 1.8 1995/05/10 20:45:23 jtc Exp $";
-#endif
-
 /* __ieee754_j0(x), __ieee754_y0(x)
  * Bessel function of the first and second kinds of order zero.
  * Method -- j0(x):
@@ -26,16 +22,16 @@ static char rcsid[] = "$NetBSD: e_j0.c,v 1.8 1995/05/10 20:45:23 jtc Exp $";
  *		j0(x) = 1-z/4+ z^2*R0/S0,  where z = x*x;
  *	   (precision:  |j0-1+z/4-z^2R0/S0 |<2**-63.67 )
  *	   for x in (2,inf)
- * 		j0(x) = sqrt(2/(pi*x))*(p0(x)*cos(x0)-q0(x)*sin(x0))
- * 	   where x0 = x-pi/4. It is better to compute sin(x0),cos(x0)
+ *		j0(x) = sqrt(2/(pi*x))*(p0(x)*cos(x0)-q0(x)*sin(x0))
+ *	   where x0 = x-pi/4. It is better to compute sin(x0),cos(x0)
  *	   as follow:
  *		cos(x0) = cos(x)cos(pi/4)+sin(x)sin(pi/4)
  *			= 1/sqrt(2) * (cos(x) + sin(x))
  *		sin(x0) = sin(x)cos(pi/4)-cos(x)sin(pi/4)
  *			= 1/sqrt(2) * (sin(x) - cos(x))
- * 	   (To avoid cancellation, use
+ *	   (To avoid cancellation, use
  *		sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
- * 	    to compute the worse one.)
+ *	    to compute the worse one.)
  *
  *	3 Special cases
  *		j0(nan)= nan
@@ -56,8 +52,8 @@ static char rcsid[] = "$NetBSD: e_j0.c,v 1.8 1995/05/10 20:45:23 jtc Exp $";
  *	   Note: For tiny x, U/V = u0 and j0(x)~1, hence
  *		y0(tiny) = u0 + (2/pi)*ln(tiny), (choose tiny<2**-27)
  *	2. For x>=2.
- * 		y0(x) = sqrt(2/(pi*x))*(p0(x)*cos(x0)+q0(x)*sin(x0))
- * 	   where x0 = x-pi/4. It is better to compute sin(x0),cos(x0)
+ *		y0(x) = sqrt(2/(pi*x))*(p0(x)*cos(x0)+q0(x)*sin(x0))
+ *	   where x0 = x-pi/4. It is better to compute sin(x0),cos(x0)
  *	   by the method mentioned above.
  *	3. Special cases: y0(0)=-inf, y0(x<0)=NaN, y0(inf)=0.
  */
@@ -65,22 +61,14 @@ static char rcsid[] = "$NetBSD: e_j0.c,v 1.8 1995/05/10 20:45:23 jtc Exp $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static double pzero(double), qzero(double);
-#else
-static double pzero(), qzero();
-#endif
 
-#ifdef __STDC__
 static const double
-#else
-static double
-#endif
-huge 	= 1e300,
+huge	= 1e300,
 one	= 1.0,
 invsqrtpi=  5.64189583547756279280e-01, /* 0x3FE20DD7, 0x50429B6D */
 tpi      =  6.36619772367581382433e-01, /* 0x3FE45F30, 0x6DC9C883 */
- 		/* R0/S0 on [0, 2.00] */
+		/* R0/S0 on [0, 2.00] */
 R[]  =  {0.0, 0.0, 1.56249999999999947958e-02, /* 0x3F8FFFFF, 0xFFFFFFFD */
  -1.89979294238854721751e-04, /* 0xBF28E6A5, 0xB61AC6E9 */
   1.82954049532700665670e-06, /* 0x3EBEB1D1, 0x0C503919 */
@@ -90,18 +78,10 @@ S[]  =  {0.0, 1.56191029464890010492e-02, /* 0x3F8FFCE8, 0x82C8C2A4 */
   5.13546550207318111446e-07, /* 0x3EA13B54, 0xCE84D5A9 */
   1.16614003333790000205e-09}; /* 0x3E1408BC, 0xF4745D8F */
 
-#ifdef __STDC__
 static const double zero = 0.0;
-#else
-static double zero = 0.0;
-#endif
 
-#ifdef __STDC__
-	double __ieee754_j0(double x)
-#else
-	double __ieee754_j0(x)
-	double x;
-#endif
+double
+__ieee754_j0(double x)
 {
 	double z, s,c,ss,cc,r,u,v,r1,r2,s1,s2,z2,z4;
 	int32_t hx,ix;
@@ -117,7 +97,7 @@ static double zero = 0.0;
 		if(ix<0x7fe00000) {  /* make sure x+x not overflow */
 		    z = -__cos(x+x);
 		    if ((s*c)<zero) cc = z/ss;
-		    else 	    ss = z/cc;
+		    else	    ss = z/cc;
 		}
 	/*
 	 * j0(x) = 1/sqrt(pi) * (P(0,x)*cc - Q(0,x)*ss) / sqrt(x)
@@ -132,8 +112,8 @@ static double zero = 0.0;
 	}
 	if(ix<0x3f200000) {	/* |x| < 2**-13 */
 	    if(huge+x>one) {	/* raise inexact if x != 0 */
-	        if(ix<0x3e400000) return one;	/* |x|<2**-27 */
-	        else 	      return one - 0.25*x*x;
+		if(ix<0x3e400000) return one;	/* |x|<2**-27 */
+		else	      return one - 0.25*x*x;
 	    }
 	}
 	z = x*x;
@@ -155,12 +135,9 @@ static double zero = 0.0;
 	    return((one+u)*(one-u)+z*(r/s));
 	}
 }
+strong_alias (__ieee754_j0, __j0_finite)
 
-#ifdef __STDC__
 static const double
-#else
-static double
-#endif
 U[]  = {-7.38042951086872317523e-02, /* 0xBFB2E4D6, 0x99CBD01F */
   1.76666452509181115538e-01, /* 0x3FC69D01, 0x9DE9E3FC */
  -1.38185671945596898896e-02, /* 0xBF8C4CE8, 0xB16CFA97 */
@@ -173,52 +150,48 @@ V[]  =  {1.27304834834123699328e-02, /* 0x3F8A1270, 0x91C9C71A */
   2.59150851840457805467e-07, /* 0x3E91642D, 0x7FF202FD */
   4.41110311332675467403e-10}; /* 0x3DFE5018, 0x3BD6D9EF */
 
-#ifdef __STDC__
-	double __ieee754_y0(double x)
-#else
-	double __ieee754_y0(x)
-	double x;
-#endif
+double
+__ieee754_y0(double x)
 {
 	double z, s,c,ss,cc,u,v,z2,z4,z6,u1,u2,u3,v1,v2;
 	int32_t hx,ix,lx;
 
 	EXTRACT_WORDS(hx,lx,x);
-        ix = 0x7fffffff&hx;
+	ix = 0x7fffffff&hx;
     /* Y0(NaN) is NaN, y0(-inf) is Nan, y0(inf) is 0, y0(0) is -inf.  */
 	if(ix>=0x7ff00000) return  one/(x+x*x);
-        if((ix|lx)==0) return -HUGE_VAL+x; /* -inf and overflow exception.  */
-        if(hx<0) return zero/(zero*x);
-        if(ix >= 0x40000000) {  /* |x| >= 2.0 */
-        /* y0(x) = sqrt(2/(pi*x))*(p0(x)*sin(x0)+q0(x)*cos(x0))
-         * where x0 = x-pi/4
-         *      Better formula:
-         *              cos(x0) = cos(x)cos(pi/4)+sin(x)sin(pi/4)
-         *                      =  1/sqrt(2) * (sin(x) + cos(x))
-         *              sin(x0) = sin(x)cos(3pi/4)-cos(x)sin(3pi/4)
-         *                      =  1/sqrt(2) * (sin(x) - cos(x))
-         * To avoid cancellation, use
-         *              sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
-         * to compute the worse one.
-         */
+	if((ix|lx)==0) return -HUGE_VAL+x; /* -inf and overflow exception.  */
+	if(hx<0) return zero/(zero*x);
+	if(ix >= 0x40000000) {  /* |x| >= 2.0 */
+	/* y0(x) = sqrt(2/(pi*x))*(p0(x)*sin(x0)+q0(x)*cos(x0))
+	 * where x0 = x-pi/4
+	 *      Better formula:
+	 *              cos(x0) = cos(x)cos(pi/4)+sin(x)sin(pi/4)
+	 *                      =  1/sqrt(2) * (sin(x) + cos(x))
+	 *              sin(x0) = sin(x)cos(3pi/4)-cos(x)sin(3pi/4)
+	 *                      =  1/sqrt(2) * (sin(x) - cos(x))
+	 * To avoid cancellation, use
+	 *              sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
+	 * to compute the worse one.
+	 */
 		__sincos (x, &s, &c);
-                ss = s-c;
-                cc = s+c;
+		ss = s-c;
+		cc = s+c;
 	/*
 	 * j0(x) = 1/sqrt(pi) * (P(0,x)*cc - Q(0,x)*ss) / sqrt(x)
 	 * y0(x) = 1/sqrt(pi) * (P(0,x)*ss + Q(0,x)*cc) / sqrt(x)
 	 */
-                if(ix<0x7fe00000) {  /* make sure x+x not overflow */
-                    z = -__cos(x+x);
-                    if ((s*c)<zero) cc = z/ss;
-                    else            ss = z/cc;
-                }
-                if(ix>0x48000000) z = (invsqrtpi*ss)/__ieee754_sqrt(x);
-                else {
-                    u = pzero(x); v = qzero(x);
-                    z = invsqrtpi*(u*ss+v*cc)/__ieee754_sqrt(x);
-                }
-                return z;
+		if(ix<0x7fe00000) {  /* make sure x+x not overflow */
+		    z = -__cos(x+x);
+		    if ((s*c)<zero) cc = z/ss;
+		    else            ss = z/cc;
+		}
+		if(ix>0x48000000) z = (invsqrtpi*ss)/__ieee754_sqrt(x);
+		else {
+		    u = pzero(x); v = qzero(x);
+		    z = invsqrtpi*(u*ss+v*cc)/__ieee754_sqrt(x);
+		}
+		return z;
 	}
 	if(ix<=0x3e400000) {	/* x < 2**-27 */
 	    return(U[0] + tpi*__ieee754_log(x));
@@ -238,21 +211,18 @@ V[]  =  {1.27304834834123699328e-02, /* 0x3F8A1270, 0x91C9C71A */
 #endif
 	return(u/v + tpi*(__ieee754_j0(x)*__ieee754_log(x)));
 }
+strong_alias (__ieee754_y0, __y0_finite)
 
 /* The asymptotic expansions of pzero is
  *	1 - 9/128 s^2 + 11025/98304 s^4 - ...,	where s = 1/x.
  * For x >= 2, We approximate pzero by
- * 	pzero(x) = 1 + (R/S)
+ *	pzero(x) = 1 + (R/S)
  * where  R = pR0 + pR1*s^2 + pR2*s^4 + ... + pR5*s^10
- * 	  S = 1 + pS0*s^2 + ... + pS4*s^10
+ *	  S = 1 + pS0*s^2 + ... + pS4*s^10
  * and
  *	| pzero(x)-1-R/S | <= 2  ** ( -60.26)
  */
-#ifdef __STDC__
 static const double pR8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
-#else
-static double pR8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
-#endif
   0.00000000000000000000e+00, /* 0x00000000, 0x00000000 */
  -7.03124999999900357484e-02, /* 0xBFB1FFFF, 0xFFFFFD32 */
  -8.08167041275349795626e+00, /* 0xC02029D0, 0xB44FA779 */
@@ -260,11 +230,7 @@ static double pR8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
  -2.48521641009428822144e+03, /* 0xC0A36A6E, 0xCD4DCAFC */
  -5.25304380490729545272e+03, /* 0xC0B4850B, 0x36CC643D */
 };
-#ifdef __STDC__
 static const double pS8[5] = {
-#else
-static double pS8[5] = {
-#endif
   1.16534364619668181717e+02, /* 0x405D2233, 0x07A96751 */
   3.83374475364121826715e+03, /* 0x40ADF37D, 0x50596938 */
   4.05978572648472545552e+04, /* 0x40E3D2BB, 0x6EB6B05F */
@@ -272,11 +238,7 @@ static double pS8[5] = {
   4.76277284146730962675e+04, /* 0x40E74177, 0x4F2C49DC */
 };
 
-#ifdef __STDC__
 static const double pR5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
-#else
-static double pR5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
-#endif
  -1.14125464691894502584e-11, /* 0xBDA918B1, 0x47E495CC */
  -7.03124940873599280078e-02, /* 0xBFB1FFFF, 0xE69AFBC6 */
  -4.15961064470587782438e+00, /* 0xC010A370, 0xF90C6BBF */
@@ -284,11 +246,7 @@ static double pR5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
  -3.31231299649172967747e+02, /* 0xC074B3B3, 0x6742CC63 */
  -3.46433388365604912451e+02, /* 0xC075A6EF, 0x28A38BD7 */
 };
-#ifdef __STDC__
 static const double pS5[5] = {
-#else
-static double pS5[5] = {
-#endif
   6.07539382692300335975e+01, /* 0x404E6081, 0x0C98C5DE */
   1.05125230595704579173e+03, /* 0x40906D02, 0x5C7E2864 */
   5.97897094333855784498e+03, /* 0x40B75AF8, 0x8FBE1D60 */
@@ -296,11 +254,7 @@ static double pS5[5] = {
   2.40605815922939109441e+03, /* 0x40A2CC1D, 0xC70BE864 */
 };
 
-#ifdef __STDC__
 static const double pR3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
-#else
-static double pR3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
-#endif
  -2.54704601771951915620e-09, /* 0xBE25E103, 0x6FE1AA86 */
  -7.03119616381481654654e-02, /* 0xBFB1FFF6, 0xF7C0E24B */
  -2.40903221549529611423e+00, /* 0xC00345B2, 0xAEA48074 */
@@ -308,11 +262,7 @@ static double pR3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
  -5.80791704701737572236e+01, /* 0xC04D0A22, 0x420A1A45 */
  -3.14479470594888503854e+01, /* 0xC03F72AC, 0xA892D80F */
 };
-#ifdef __STDC__
 static const double pS3[5] = {
-#else
-static double pS3[5] = {
-#endif
   3.58560338055209726349e+01, /* 0x4041ED92, 0x84077DD3 */
   3.61513983050303863820e+02, /* 0x40769839, 0x464A7C0E */
   1.19360783792111533330e+03, /* 0x4092A66E, 0x6D1061D6 */
@@ -320,11 +270,7 @@ static double pS3[5] = {
   1.73580930813335754692e+02, /* 0x4065B296, 0xFC379081 */
 };
 
-#ifdef __STDC__
 static const double pR2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
-#else
-static double pR2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
-#endif
  -8.87534333032526411254e-08, /* 0xBE77D316, 0xE927026D */
  -7.03030995483624743247e-02, /* 0xBFB1FF62, 0x495E1E42 */
  -1.45073846780952986357e+00, /* 0xBFF73639, 0x8A24A843 */
@@ -332,11 +278,7 @@ static double pR2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
  -1.11931668860356747786e+01, /* 0xC02662E6, 0xC5246303 */
  -3.23364579351335335033e+00, /* 0xC009DE81, 0xAF8FE70F */
 };
-#ifdef __STDC__
 static const double pS2[5] = {
-#else
-static double pS2[5] = {
-#endif
   2.22202997532088808441e+01, /* 0x40363865, 0x908B5959 */
   1.36206794218215208048e+02, /* 0x4061069E, 0x0EE8878F */
   2.70470278658083486789e+02, /* 0x4070E786, 0x42EA079B */
@@ -344,18 +286,10 @@ static double pS2[5] = {
   1.46576176948256193810e+01, /* 0x402D50B3, 0x44391809 */
 };
 
-#ifdef __STDC__
-	static double pzero(double x)
-#else
-	static double pzero(x)
-	double x;
-#endif
+static double
+pzero(double x)
 {
-#ifdef __STDC__
 	const double *p,*q;
-#else
-	double *p,*q;
-#endif
 	double z,r,s,z2,z4,r1,r2,r3,s1,s2,s3;
 	int32_t ix;
 	GET_HIGH_WORD(ix,x);
@@ -385,17 +319,13 @@ static double pS2[5] = {
 /* For x >= 8, the asymptotic expansions of qzero is
  *	-1/8 s + 75/1024 s^3 - ..., where s = 1/x.
  * We approximate pzero by
- * 	qzero(x) = s*(-1.25 + (R/S))
+ *	qzero(x) = s*(-1.25 + (R/S))
  * where  R = qR0 + qR1*s^2 + qR2*s^4 + ... + qR5*s^10
- * 	  S = 1 + qS0*s^2 + ... + qS5*s^12
+ *	  S = 1 + qS0*s^2 + ... + qS5*s^12
  * and
  *	| qzero(x)/s +1.25-R/S | <= 2  ** ( -61.22)
  */
-#ifdef __STDC__
 static const double qR8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
-#else
-static double qR8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
-#endif
   0.00000000000000000000e+00, /* 0x00000000, 0x00000000 */
   7.32421874999935051953e-02, /* 0x3FB2BFFF, 0xFFFFFE2C */
   1.17682064682252693899e+01, /* 0x40278952, 0x5BB334D6 */
@@ -403,11 +333,7 @@ static double qR8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
   8.85919720756468632317e+03, /* 0x40C14D99, 0x3E18F46D */
   3.70146267776887834771e+04, /* 0x40E212D4, 0x0E901566 */
 };
-#ifdef __STDC__
 static const double qS8[6] = {
-#else
-static double qS8[6] = {
-#endif
   1.63776026895689824414e+02, /* 0x406478D5, 0x365B39BC */
   8.09834494656449805916e+03, /* 0x40BFA258, 0x4E6B0563 */
   1.42538291419120476348e+05, /* 0x41016652, 0x54D38C3F */
@@ -416,11 +342,7 @@ static double qS8[6] = {
  -3.43899293537866615225e+05, /* 0xC114FD6D, 0x2C9530C5 */
 };
 
-#ifdef __STDC__
 static const double qR5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
-#else
-static double qR5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
-#endif
   1.84085963594515531381e-11, /* 0x3DB43D8F, 0x29CC8CD9 */
   7.32421766612684765896e-02, /* 0x3FB2BFFF, 0xD172B04C */
   5.83563508962056953777e+00, /* 0x401757B0, 0xB9953DD3 */
@@ -428,11 +350,7 @@ static double qR5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
   1.02724376596164097464e+03, /* 0x40900CF9, 0x9DC8C481 */
   1.98997785864605384631e+03, /* 0x409F17E9, 0x53C6E3A6 */
 };
-#ifdef __STDC__
 static const double qS5[6] = {
-#else
-static double qS5[6] = {
-#endif
   8.27766102236537761883e+01, /* 0x4054B1B3, 0xFB5E1543 */
   2.07781416421392987104e+03, /* 0x40A03BA0, 0xDA21C0CE */
   1.88472887785718085070e+04, /* 0x40D267D2, 0x7B591E6D */
@@ -441,11 +359,7 @@ static double qS5[6] = {
  -5.35434275601944773371e+03, /* 0xC0B4EA57, 0xBEDBC609 */
 };
 
-#ifdef __STDC__
 static const double qR3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
-#else
-static double qR3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
-#endif
   4.37741014089738620906e-09, /* 0x3E32CD03, 0x6ADECB82 */
   7.32411180042911447163e-02, /* 0x3FB2BFEE, 0x0E8D0842 */
   3.34423137516170720929e+00, /* 0x400AC0FC, 0x61149CF5 */
@@ -453,11 +367,7 @@ static double qR3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
   1.70808091340565596283e+02, /* 0x406559DB, 0xE25EFD1F */
   1.66733948696651168575e+02, /* 0x4064D77C, 0x81FA21E0 */
 };
-#ifdef __STDC__
 static const double qS3[6] = {
-#else
-static double qS3[6] = {
-#endif
   4.87588729724587182091e+01, /* 0x40486122, 0xBFE343A6 */
   7.09689221056606015736e+02, /* 0x40862D83, 0x86544EB3 */
   3.70414822620111362994e+03, /* 0x40ACF04B, 0xE44DFC63 */
@@ -466,11 +376,7 @@ static double qS3[6] = {
  -1.49247451836156386662e+02, /* 0xC062A7EB, 0x201CF40F */
 };
 
-#ifdef __STDC__
 static const double qR2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
-#else
-static double qR2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
-#endif
   1.50444444886983272379e-07, /* 0x3E84313B, 0x54F76BDB */
   7.32234265963079278272e-02, /* 0x3FB2BEC5, 0x3E883E34 */
   1.99819174093815998816e+00, /* 0x3FFFF897, 0xE727779C */
@@ -478,11 +384,7 @@ static double qR2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
   3.16662317504781540833e+01, /* 0x403FAA8E, 0x29FBDC4A */
   1.62527075710929267416e+01, /* 0x403040B1, 0x71814BB4 */
 };
-#ifdef __STDC__
 static const double qS2[6] = {
-#else
-static double qS2[6] = {
-#endif
   3.03655848355219184498e+01, /* 0x403E5D96, 0xF7C07AED */
   2.69348118608049844624e+02, /* 0x4070D591, 0xE4D14B40 */
   8.44783757595320139444e+02, /* 0x408A6645, 0x22B3BF22 */
@@ -491,18 +393,10 @@ static double qS2[6] = {
  -5.31095493882666946917e+00, /* 0xC0153E6A, 0xF8B32931 */
 };
 
-#ifdef __STDC__
-	static double qzero(double x)
-#else
-	static double qzero(x)
-	double x;
-#endif
+static double
+qzero(double x)
 {
-#ifdef __STDC__
 	const double *p,*q;
-#else
-	double *p,*q;
-#endif
 	double s,r,z,z2,z4,z6,r1,r2,r3,s1,s2,s3;
 	int32_t ix;
 	GET_HIGH_WORD(ix,x);
diff --git a/sysdeps/ieee754/dbl-64/e_j1.c b/sysdeps/ieee754/dbl-64/e_j1.c
index 8a3b2ffd19..fdc6b5b896 100644
--- a/sysdeps/ieee754/dbl-64/e_j1.c
+++ b/sysdeps/ieee754/dbl-64/e_j1.c
@@ -13,10 +13,6 @@
    for performance improvement on pipelined processors.
 */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_j1.c,v 1.8 1995/05/10 20:45:27 jtc Exp $";
-#endif
-
 /* __ieee754_j1(x), __ieee754_y1(x)
  * Bessel function of the first and second kinds of order zero.
  * Method -- j1(x):
@@ -26,17 +22,17 @@ static char rcsid[] = "$NetBSD: e_j1.c,v 1.8 1995/05/10 20:45:27 jtc Exp $";
  *		j1(x) = x/2 + x*z*R0/S0,  where z = x*x;
  *	   (precision:  |j1/x - 1/2 - R0/S0 |<2**-61.51 )
  *	   for x in (2,inf)
- * 		j1(x) = sqrt(2/(pi*x))*(p1(x)*cos(x1)-q1(x)*sin(x1))
- * 		y1(x) = sqrt(2/(pi*x))*(p1(x)*sin(x1)+q1(x)*cos(x1))
- * 	   where x1 = x-3*pi/4. It is better to compute sin(x1),cos(x1)
+ *		j1(x) = sqrt(2/(pi*x))*(p1(x)*cos(x1)-q1(x)*sin(x1))
+ *		y1(x) = sqrt(2/(pi*x))*(p1(x)*sin(x1)+q1(x)*cos(x1))
+ *	   where x1 = x-3*pi/4. It is better to compute sin(x1),cos(x1)
  *	   as follow:
  *		cos(x1) =  cos(x)cos(3pi/4)+sin(x)sin(3pi/4)
  *			=  1/sqrt(2) * (sin(x) - cos(x))
  *		sin(x1) =  sin(x)cos(3pi/4)-cos(x)sin(3pi/4)
  *			= -1/sqrt(2) * (sin(x) + cos(x))
- * 	   (To avoid cancellation, use
+ *	   (To avoid cancellation, use
  *		sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
- * 	    to compute the worse one.)
+ *	    to compute the worse one.)
  *
  *	3 Special cases
  *		j1(nan)= nan
@@ -57,25 +53,17 @@ static char rcsid[] = "$NetBSD: e_j1.c,v 1.8 1995/05/10 20:45:27 jtc Exp $";
  *	   Note: For tiny x, 1/x dominate y1 and hence
  *		y1(tiny) = -2/pi/tiny, (choose tiny<2**-54)
  *	3. For x>=2.
- * 		y1(x) = sqrt(2/(pi*x))*(p1(x)*sin(x1)+q1(x)*cos(x1))
- * 	   where x1 = x-3*pi/4. It is better to compute sin(x1),cos(x1)
+ *		y1(x) = sqrt(2/(pi*x))*(p1(x)*sin(x1)+q1(x)*cos(x1))
+ *	   where x1 = x-3*pi/4. It is better to compute sin(x1),cos(x1)
  *	   by method mentioned above.
  */
 
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static double pone(double), qone(double);
-#else
-static double pone(), qone();
-#endif
 
-#ifdef __STDC__
 static const double
-#else
-static double
-#endif
 huge    = 1e300,
 one	= 1.0,
 invsqrtpi=  5.64189583547756279280e-01, /* 0x3FE20DD7, 0x50429B6D */
@@ -91,25 +79,17 @@ S[]  =  {0.0, 1.91537599538363460805e-02, /* 0x3F939D0B, 0x12637E53 */
   5.04636257076217042715e-09, /* 0x3E35AC88, 0xC97DFF2C */
   1.23542274426137913908e-11}; /* 0x3DAB2ACF, 0xCFB97ED8 */
 
-#ifdef __STDC__
 static const double zero    = 0.0;
-#else
-static double zero    = 0.0;
-#endif
 
-#ifdef __STDC__
-	double __ieee754_j1(double x)
-#else
-	double __ieee754_j1(x)
-	double x;
-#endif
+double
+__ieee754_j1(double x)
 {
 	double z, s,c,ss,cc,r,u,v,y,r1,r2,s1,s2,s3,z2,z4;
 	int32_t hx,ix;
 
 	GET_HIGH_WORD(hx,x);
 	ix = hx&0x7fffffff;
-	if(ix>=0x7ff00000) return one/x;
+	if(__builtin_expect(ix>=0x7ff00000, 0)) return one/x;
 	y = fabs(x);
 	if(ix >= 0x40000000) {	/* |x| >= 2.0 */
 		__sincos (y, &s, &c);
@@ -118,7 +98,7 @@ static double zero    = 0.0;
 		if(ix<0x7fe00000) {  /* make sure y+y not overflow */
 		    z = __cos(y+y);
 		    if ((s*c)>zero) cc = z/ss;
-		    else 	    ss = z/cc;
+		    else	    ss = z/cc;
 		}
 	/*
 	 * j1(x) = 1/sqrt(pi) * (P(1,x)*cc - Q(1,x)*ss) / sqrt(x)
@@ -130,9 +110,9 @@ static double zero    = 0.0;
 		    z = invsqrtpi*(u*cc-v*ss)/__ieee754_sqrt(y);
 		}
 		if(hx<0) return -z;
-		else  	 return  z;
+		else	 return  z;
 	}
-	if(ix<0x3e400000) {	/* |x|<2**-27 */
+	if(__builtin_expect(ix<0x3e400000, 0)) {	/* |x|<2**-27 */
 	    if(huge+x>one) return 0.5*x;/* inexact if x!=0 necessary */
 	}
 	z = x*x;
@@ -144,7 +124,7 @@ static double zero    = 0.0;
 	r1 = z*R[0]; z2=z*z;
 	r2 = R[1]+z*R[2]; z4=z2*z2;
 	r = r1 + z2*r2 + z4*R[3];
-  	r *= x;
+	r *= x;
 	s1 = one+z*S[1];
 	s2 = S[2]+z*S[3];
 	s3 = S[4]+z*S[5];
@@ -152,23 +132,16 @@ static double zero    = 0.0;
 #endif
 	return(x*0.5+r/s);
 }
+strong_alias (__ieee754_j1, __j1_finite)
 
-#ifdef __STDC__
 static const double U0[5] = {
-#else
-static double U0[5] = {
-#endif
  -1.96057090646238940668e-01, /* 0xBFC91866, 0x143CBC8A */
   5.04438716639811282616e-02, /* 0x3FA9D3C7, 0x76292CD1 */
  -1.91256895875763547298e-03, /* 0xBF5F55E5, 0x4844F50F */
   2.35252600561610495928e-05, /* 0x3EF8AB03, 0x8FA6B88E */
  -9.19099158039878874504e-08, /* 0xBE78AC00, 0x569105B8 */
 };
-#ifdef __STDC__
 static const double V0[5] = {
-#else
-static double V0[5] = {
-#endif
   1.99167318236649903973e-02, /* 0x3F94650D, 0x3F4DA9F0 */
   2.02552581025135171496e-04, /* 0x3F2A8C89, 0x6C257764 */
   1.35608801097516229404e-06, /* 0x3EB6C05A, 0x894E8CA6 */
@@ -176,56 +149,53 @@ static double V0[5] = {
   1.66559246207992079114e-11, /* 0x3DB25039, 0xDACA772A */
 };
 
-#ifdef __STDC__
-	double __ieee754_y1(double x)
-#else
-	double __ieee754_y1(x)
-	double x;
-#endif
+double
+__ieee754_y1(double x)
 {
 	double z, s,c,ss,cc,u,v,u1,u2,v1,v2,v3,z2,z4;
 	int32_t hx,ix,lx;
 
 	EXTRACT_WORDS(hx,lx,x);
-        ix = 0x7fffffff&hx;
+	ix = 0x7fffffff&hx;
     /* if Y1(NaN) is NaN, Y1(-inf) is NaN, Y1(inf) is 0 */
-	if(ix>=0x7ff00000) return  one/(x+x*x);
-        if((ix|lx)==0) return -HUGE_VAL+x; /* -inf and overflow exception.  */;
-        if(hx<0) return zero/(zero*x);
-        if(ix >= 0x40000000) {  /* |x| >= 2.0 */
+	if(__builtin_expect(ix>=0x7ff00000, 0)) return  one/(x+x*x);
+	if(__builtin_expect((ix|lx)==0, 0))
+		return -HUGE_VAL+x; /* -inf and overflow exception.  */;
+	if(__builtin_expect(hx<0, 0)) return zero/(zero*x);
+	if(ix >= 0x40000000) {  /* |x| >= 2.0 */
 		__sincos (x, &s, &c);
-                ss = -s-c;
-                cc = s-c;
-                if(ix<0x7fe00000) {  /* make sure x+x not overflow */
-                    z = __cos(x+x);
-                    if ((s*c)>zero) cc = z/ss;
-                    else            ss = z/cc;
-                }
-        /* y1(x) = sqrt(2/(pi*x))*(p1(x)*sin(x0)+q1(x)*cos(x0))
-         * where x0 = x-3pi/4
-         *      Better formula:
-         *              cos(x0) = cos(x)cos(3pi/4)+sin(x)sin(3pi/4)
-         *                      =  1/sqrt(2) * (sin(x) - cos(x))
-         *              sin(x0) = sin(x)cos(3pi/4)-cos(x)sin(3pi/4)
-         *                      = -1/sqrt(2) * (cos(x) + sin(x))
-         * To avoid cancellation, use
-         *              sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
-         * to compute the worse one.
-         */
-                if(ix>0x48000000) z = (invsqrtpi*ss)/__ieee754_sqrt(x);
-                else {
-                    u = pone(x); v = qone(x);
-                    z = invsqrtpi*(u*ss+v*cc)/__ieee754_sqrt(x);
-                }
-                return z;
-        }
-        if(ix<=0x3c900000) {    /* x < 2**-54 */
-            return(-tpi/x);
-        }
-        z = x*x;
+		ss = -s-c;
+		cc = s-c;
+		if(ix<0x7fe00000) {  /* make sure x+x not overflow */
+		    z = __cos(x+x);
+		    if ((s*c)>zero) cc = z/ss;
+		    else            ss = z/cc;
+		}
+	/* y1(x) = sqrt(2/(pi*x))*(p1(x)*sin(x0)+q1(x)*cos(x0))
+	 * where x0 = x-3pi/4
+	 *      Better formula:
+	 *              cos(x0) = cos(x)cos(3pi/4)+sin(x)sin(3pi/4)
+	 *                      =  1/sqrt(2) * (sin(x) - cos(x))
+	 *              sin(x0) = sin(x)cos(3pi/4)-cos(x)sin(3pi/4)
+	 *                      = -1/sqrt(2) * (cos(x) + sin(x))
+	 * To avoid cancellation, use
+	 *              sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
+	 * to compute the worse one.
+	 */
+		if(ix>0x48000000) z = (invsqrtpi*ss)/__ieee754_sqrt(x);
+		else {
+		    u = pone(x); v = qone(x);
+		    z = invsqrtpi*(u*ss+v*cc)/__ieee754_sqrt(x);
+		}
+		return z;
+	}
+	if(__builtin_expect(ix<=0x3c900000, 0)) {    /* x < 2**-54 */
+	    return(-tpi/x);
+	}
+	z = x*x;
 #ifdef DO_NOT_USE_THIS
-        u = U0[0]+z*(U0[1]+z*(U0[2]+z*(U0[3]+z*U0[4])));
-        v = one+z*(V0[0]+z*(V0[1]+z*(V0[2]+z*(V0[3]+z*V0[4]))));
+	u = U0[0]+z*(U0[1]+z*(U0[2]+z*(U0[3]+z*U0[4])));
+	v = one+z*(V0[0]+z*(V0[1]+z*(V0[2]+z*(V0[3]+z*V0[4]))));
 #else
 	u1 = U0[0]+z*U0[1];z2=z*z;
 	u2 = U0[2]+z*U0[3];z4=z2*z2;
@@ -235,24 +205,21 @@ static double V0[5] = {
 	v3 = V0[3]+z*V0[4];
 	v = v1 + z2*v2 + z4*v3;
 #endif
-        return(x*(u/v) + tpi*(__ieee754_j1(x)*__ieee754_log(x)-one/x));
+	return(x*(u/v) + tpi*(__ieee754_j1(x)*__ieee754_log(x)-one/x));
 }
+strong_alias (__ieee754_y1, __y1_finite)
 
 /* For x >= 8, the asymptotic expansions of pone is
  *	1 + 15/128 s^2 - 4725/2^15 s^4 - ...,	where s = 1/x.
  * We approximate pone by
- * 	pone(x) = 1 + (R/S)
+ *	pone(x) = 1 + (R/S)
  * where  R = pr0 + pr1*s^2 + pr2*s^4 + ... + pr5*s^10
- * 	  S = 1 + ps0*s^2 + ... + ps4*s^10
+ *	  S = 1 + ps0*s^2 + ... + ps4*s^10
  * and
  *	| pone(x)-1-R/S | <= 2  ** ( -60.06)
  */
 
-#ifdef __STDC__
 static const double pr8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
-#else
-static double pr8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
-#endif
   0.00000000000000000000e+00, /* 0x00000000, 0x00000000 */
   1.17187499999988647970e-01, /* 0x3FBDFFFF, 0xFFFFFCCE */
   1.32394806593073575129e+01, /* 0x402A7A9D, 0x357F7FCE */
@@ -260,11 +227,7 @@ static double pr8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
   3.87474538913960532227e+03, /* 0x40AE457D, 0xA3A532CC */
   7.91447954031891731574e+03, /* 0x40BEEA7A, 0xC32782DD */
 };
-#ifdef __STDC__
 static const double ps8[5] = {
-#else
-static double ps8[5] = {
-#endif
   1.14207370375678408436e+02, /* 0x405C8D45, 0x8E656CAC */
   3.65093083420853463394e+03, /* 0x40AC85DC, 0x964D274F */
   3.69562060269033463555e+04, /* 0x40E20B86, 0x97C5BB7F */
@@ -272,11 +235,7 @@ static double ps8[5] = {
   3.08042720627888811578e+04, /* 0x40DE1511, 0x697A0B2D */
 };
 
-#ifdef __STDC__
 static const double pr5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
-#else
-static double pr5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
-#endif
   1.31990519556243522749e-11, /* 0x3DAD0667, 0xDAE1CA7D */
   1.17187493190614097638e-01, /* 0x3FBDFFFF, 0xE2C10043 */
   6.80275127868432871736e+00, /* 0x401B3604, 0x6E6315E3 */
@@ -284,11 +243,7 @@ static double pr5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
   5.17636139533199752805e+02, /* 0x40802D16, 0xD052D649 */
   5.28715201363337541807e+02, /* 0x408085B8, 0xBB7E0CB7 */
 };
-#ifdef __STDC__
 static const double ps5[5] = {
-#else
-static double ps5[5] = {
-#endif
   5.92805987221131331921e+01, /* 0x404DA3EA, 0xA8AF633D */
   9.91401418733614377743e+02, /* 0x408EFB36, 0x1B066701 */
   5.35326695291487976647e+03, /* 0x40B4E944, 0x5706B6FB */
@@ -296,11 +251,7 @@ static double ps5[5] = {
   1.50404688810361062679e+03, /* 0x40978030, 0x036F5E51 */
 };
 
-#ifdef __STDC__
 static const double pr3[6] = {
-#else
-static double pr3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
-#endif
   3.02503916137373618024e-09, /* 0x3E29FC21, 0xA7AD9EDD */
   1.17186865567253592491e-01, /* 0x3FBDFFF5, 0x5B21D17B */
   3.93297750033315640650e+00, /* 0x400F76BC, 0xE85EAD8A */
@@ -308,11 +259,7 @@ static double pr3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
   9.10550110750781271918e+01, /* 0x4056C385, 0x4D2C1837 */
   4.85590685197364919645e+01, /* 0x4048478F, 0x8EA83EE5 */
 };
-#ifdef __STDC__
 static const double ps3[5] = {
-#else
-static double ps3[5] = {
-#endif
   3.47913095001251519989e+01, /* 0x40416549, 0xA134069C */
   3.36762458747825746741e+02, /* 0x40750C33, 0x07F1A75F */
   1.04687139975775130551e+03, /* 0x40905B7C, 0x5037D523 */
@@ -320,11 +267,7 @@ static double ps3[5] = {
   1.03787932439639277504e+02, /* 0x4059F26D, 0x7C2EED53 */
 };
 
-#ifdef __STDC__
 static const double pr2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
-#else
-static double pr2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
-#endif
   1.07710830106873743082e-07, /* 0x3E7CE9D4, 0xF65544F4 */
   1.17176219462683348094e-01, /* 0x3FBDFF42, 0xBE760D83 */
   2.36851496667608785174e+00, /* 0x4002F2B7, 0xF98FAEC0 */
@@ -332,11 +275,7 @@ static double pr2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
   1.76939711271687727390e+01, /* 0x4031B1A8, 0x177F8EE2 */
   5.07352312588818499250e+00, /* 0x40144B49, 0xA574C1FE */
 };
-#ifdef __STDC__
 static const double ps2[5] = {
-#else
-static double ps2[5] = {
-#endif
   2.14364859363821409488e+01, /* 0x40356FBD, 0x8AD5ECDC */
   1.25290227168402751090e+02, /* 0x405F5293, 0x14F92CD5 */
   2.32276469057162813669e+02, /* 0x406D08D8, 0xD5A2DBD9 */
@@ -344,30 +283,22 @@ static double ps2[5] = {
   8.36463893371618283368e+00, /* 0x4020BAB1, 0xF44E5192 */
 };
 
-#ifdef __STDC__
-	static double pone(double x)
-#else
-	static double pone(x)
-	double x;
-#endif
+static double
+pone(double x)
 {
-#ifdef __STDC__
 	const double *p,*q;
-#else
-	double *p,*q;
-#endif
 	double z,r,s,r1,r2,r3,s1,s2,s3,z2,z4;
-        int32_t ix;
+	int32_t ix;
 	GET_HIGH_WORD(ix,x);
 	ix &= 0x7fffffff;
-        if(ix>=0x40200000)     {p = pr8; q= ps8;}
-        else if(ix>=0x40122E8B){p = pr5; q= ps5;}
-        else if(ix>=0x4006DB6D){p = pr3; q= ps3;}
-        else if(ix>=0x40000000){p = pr2; q= ps2;}
-        z = one/(x*x);
+	if(ix>=0x40200000)     {p = pr8; q= ps8;}
+	else if(ix>=0x40122E8B){p = pr5; q= ps5;}
+	else if(ix>=0x4006DB6D){p = pr3; q= ps3;}
+	else if(ix>=0x40000000){p = pr2; q= ps2;}
+	z = one/(x*x);
 #ifdef DO_NOT_USE_THIS
-        r = p[0]+z*(p[1]+z*(p[2]+z*(p[3]+z*(p[4]+z*p[5]))));
-        s = one+z*(q[0]+z*(q[1]+z*(q[2]+z*(q[3]+z*q[4]))));
+	r = p[0]+z*(p[1]+z*(p[2]+z*(p[3]+z*(p[4]+z*p[5]))));
+	s = one+z*(q[0]+z*(q[1]+z*(q[2]+z*(q[3]+z*q[4]))));
 #else
 	r1 = p[0]+z*p[1]; z2=z*z;
 	r2 = p[2]+z*p[3]; z4=z2*z2;
@@ -378,25 +309,21 @@ static double ps2[5] = {
 	s3 = q[3]+z*q[4];
 	s = s1 + z2*s2 + z4*s3;
 #endif
-        return one+ r/s;
+	return one+ r/s;
 }
 
 
 /* For x >= 8, the asymptotic expansions of qone is
  *	3/8 s - 105/1024 s^3 - ..., where s = 1/x.
  * We approximate pone by
- * 	qone(x) = s*(0.375 + (R/S))
+ *	qone(x) = s*(0.375 + (R/S))
  * where  R = qr1*s^2 + qr2*s^4 + ... + qr5*s^10
- * 	  S = 1 + qs1*s^2 + ... + qs6*s^12
+ *	  S = 1 + qs1*s^2 + ... + qs6*s^12
  * and
  *	| qone(x)/s -0.375-R/S | <= 2  ** ( -61.13)
  */
 
-#ifdef __STDC__
 static const double qr8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
-#else
-static double qr8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
-#endif
   0.00000000000000000000e+00, /* 0x00000000, 0x00000000 */
  -1.02539062499992714161e-01, /* 0xBFBA3FFF, 0xFFFFFDF3 */
  -1.62717534544589987888e+01, /* 0xC0304591, 0xA26779F7 */
@@ -404,11 +331,7 @@ static double qr8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
  -1.18498066702429587167e+04, /* 0xC0C724E7, 0x40F87415 */
  -4.84385124285750353010e+04, /* 0xC0E7A6D0, 0x65D09C6A */
 };
-#ifdef __STDC__
 static const double qs8[6] = {
-#else
-static double qs8[6] = {
-#endif
   1.61395369700722909556e+02, /* 0x40642CA6, 0xDE5BCDE5 */
   7.82538599923348465381e+03, /* 0x40BE9162, 0xD0D88419 */
   1.33875336287249578163e+05, /* 0x4100579A, 0xB0B75E98 */
@@ -417,11 +340,7 @@ static double qs8[6] = {
  -2.94490264303834643215e+05, /* 0xC111F969, 0x0EA5AA18 */
 };
 
-#ifdef __STDC__
 static const double qr5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
-#else
-static double qr5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
-#endif
  -2.08979931141764104297e-11, /* 0xBDB6FA43, 0x1AA1A098 */
  -1.02539050241375426231e-01, /* 0xBFBA3FFF, 0xCB597FEF */
  -8.05644828123936029840e+00, /* 0xC0201CE6, 0xCA03AD4B */
@@ -429,11 +348,7 @@ static double qr5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
  -1.37319376065508163265e+03, /* 0xC09574C6, 0x6931734F */
  -2.61244440453215656817e+03, /* 0xC0A468E3, 0x88FDA79D */
 };
-#ifdef __STDC__
 static const double qs5[6] = {
-#else
-static double qs5[6] = {
-#endif
   8.12765501384335777857e+01, /* 0x405451B2, 0xFF5A11B2 */
   1.99179873460485964642e+03, /* 0x409F1F31, 0xE77BF839 */
   1.74684851924908907677e+04, /* 0x40D10F1F, 0x0D64CE29 */
@@ -442,11 +357,7 @@ static double qs5[6] = {
  -4.71918354795128470869e+03, /* 0xC0B26F2E, 0xFCFFA004 */
 };
 
-#ifdef __STDC__
 static const double qr3[6] = {
-#else
-static double qr3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
-#endif
  -5.07831226461766561369e-09, /* 0xBE35CFA9, 0xD38FC84F */
  -1.02537829820837089745e-01, /* 0xBFBA3FEB, 0x51AEED54 */
  -4.61011581139473403113e+00, /* 0xC01270C2, 0x3302D9FF */
@@ -454,11 +365,7 @@ static double qr3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
  -2.28244540737631695038e+02, /* 0xC06C87D3, 0x4718D55F */
  -2.19210128478909325622e+02, /* 0xC06B66B9, 0x5F5C1BF6 */
 };
-#ifdef __STDC__
 static const double qs3[6] = {
-#else
-static double qs3[6] = {
-#endif
   4.76651550323729509273e+01, /* 0x4047D523, 0xCCD367E4 */
   6.73865112676699709482e+02, /* 0x40850EEB, 0xC031EE3E */
   3.38015286679526343505e+03, /* 0x40AA684E, 0x448E7C9A */
@@ -467,11 +374,7 @@ static double qs3[6] = {
  -1.35201191444307340817e+02, /* 0xC060E670, 0x290A311F */
 };
 
-#ifdef __STDC__
 static const double qr2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
-#else
-static double qr2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
-#endif
  -1.78381727510958865572e-07, /* 0xBE87F126, 0x44C626D2 */
  -1.02517042607985553460e-01, /* 0xBFBA3E8E, 0x9148B010 */
  -2.75220568278187460720e+00, /* 0xC0060484, 0x69BB4EDA */
@@ -479,11 +382,7 @@ static double qr2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
  -4.23253133372830490089e+01, /* 0xC04529A3, 0xDE104AAA */
  -2.13719211703704061733e+01, /* 0xC0355F36, 0x39CF6E52 */
 };
-#ifdef __STDC__
 static const double qs2[6] = {
-#else
-static double qs2[6] = {
-#endif
   2.95333629060523854548e+01, /* 0x403D888A, 0x78AE64FF */
   2.52981549982190529136e+02, /* 0x406F9F68, 0xDB821CBA */
   7.57502834868645436472e+02, /* 0x4087AC05, 0xCE49A0F7 */
@@ -492,18 +391,10 @@ static double qs2[6] = {
  -4.95949898822628210127e+00, /* 0xC013D686, 0xE71BE86B */
 };
 
-#ifdef __STDC__
-	static double qone(double x)
-#else
-	static double qone(x)
-	double x;
-#endif
+static double
+qone(double x)
 {
-#ifdef __STDC__
 	const double *p,*q;
-#else
-	double *p,*q;
-#endif
 	double  s,r,z,r1,r2,r3,s1,s2,s3,z2,z4,z6;
 	int32_t ix;
 	GET_HIGH_WORD(ix,x);
diff --git a/sysdeps/ieee754/dbl-64/e_jn.c b/sysdeps/ieee754/dbl-64/e_jn.c
index d9d6f91762..f8b8e2ee6a 100644
--- a/sysdeps/ieee754/dbl-64/e_jn.c
+++ b/sysdeps/ieee754/dbl-64/e_jn.c
@@ -10,10 +10,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_jn.c,v 1.9 1995/05/10 20:45:34 jtc Exp $";
-#endif
-
 /*
  * __ieee754_jn(n, x), __ieee754_yn(n, x)
  * floating point Bessel's function of the 1st and 2nd kind
@@ -43,27 +39,15 @@ static char rcsid[] = "$NetBSD: e_jn.c,v 1.9 1995/05/10 20:45:34 jtc Exp $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const double
-#else
-static double
-#endif
 invsqrtpi=  5.64189583547756279280e-01, /* 0x3FE20DD7, 0x50429B6D */
 two   =  2.00000000000000000000e+00, /* 0x40000000, 0x00000000 */
 one   =  1.00000000000000000000e+00; /* 0x3FF00000, 0x00000000 */
 
-#ifdef __STDC__
 static const double zero  =  0.00000000000000000000e+00;
-#else
-static double zero  =  0.00000000000000000000e+00;
-#endif
 
-#ifdef __STDC__
-	double __ieee754_jn(int n, double x)
-#else
-	double __ieee754_jn(n,x)
-	int n; double x;
-#endif
+double
+__ieee754_jn(int n, double x)
 {
 	int32_t i,hx,ix,lx, sgn;
 	double a, b, temp, di;
@@ -75,7 +59,8 @@ static double zero  =  0.00000000000000000000e+00;
 	EXTRACT_WORDS(hx,lx,x);
 	ix = 0x7fffffff&hx;
     /* if J(n,NaN) is NaN */
-	if((ix|((u_int32_t)(lx|-lx))>>31)>0x7ff00000) return x+x;
+	if(__builtin_expect((ix|((u_int32_t)(lx|-lx))>>31)>0x7ff00000, 0))
+		return x+x;
 	if(n<0){
 		n = -n;
 		x = -x;
@@ -85,8 +70,9 @@ static double zero  =  0.00000000000000000000e+00;
 	if(n==1) return(__ieee754_j1(x));
 	sgn = (n&1)&(hx>>31);	/* even n -- 0, odd n -- sign(x) */
 	x = fabs(x);
-	if((ix|lx)==0||ix>=0x7ff00000) 	/* if x is 0 or inf */
-	    b = zero;
+	if(__builtin_expect((ix|lx)==0||ix>=0x7ff00000,0))
+		/* if x is 0 or inf */
+		b = zero;
 	else if((double)n<=x) {
 		/* Safe to use J(n+1,x)=2n/x *J(n,x)-J(n-1,x) */
 	    if(ix>=0x52D00000) { /* x > 2**302 */
@@ -99,7 +85,7 @@ static double zero  =  0.00000000000000000000e+00;
      *		   n	sin(xn)*sqt2	cos(xn)*sqt2
      *		----------------------------------
      *		   0	 s-c		 c+s
-     *		   1	-s-c 		-c+s
+     *		   1	-s-c		-c+s
      *		   2	-s+c		-c-s
      *		   3	 s+c		 c-s
      */
@@ -114,13 +100,13 @@ static double zero  =  0.00000000000000000000e+00;
 		}
 		b = invsqrtpi*temp/__ieee754_sqrt(x);
 	    } else {
-	        a = __ieee754_j0(x);
-	        b = __ieee754_j1(x);
-	        for(i=1;i<n;i++){
+		a = __ieee754_j0(x);
+		b = __ieee754_j1(x);
+		for(i=1;i<n;i++){
 		    temp = b;
 		    b = b*((double)(i+i)/x) - a; /* avoid underflow */
 		    a = temp;
-	        }
+		}
 	    }
 	} else {
 	    if(ix<0x3e100000) {	/* x < 2**-29 */
@@ -139,11 +125,11 @@ static double zero  =  0.00000000000000000000e+00;
 		}
 	    } else {
 		/* use backward recurrence */
-		/* 			x      x^2      x^2
+		/*			x      x^2      x^2
 		 *  J(n,x)/J(n-1,x) =  ----   ------   ------   .....
 		 *			2n  - 2(n+1) - 2(n+2)
 		 *
-		 * 			1      1        1
+		 *			1      1        1
 		 *  (for large x)   =  ----  ------   ------   .....
 		 *			2n   2(n+1)   2(n+2)
 		 *			-- - ------ - ------ -
@@ -156,7 +142,7 @@ static double zero  =  0.00000000000000000000e+00;
 		 *		       1
 		 *	   w - -----------------
 		 *			  1
-		 * 	        w+h - ---------
+		 *		w+h - ---------
 		 *		       w+2h - ...
 		 *
 		 * To determine how many terms needed, let
@@ -193,19 +179,19 @@ static double zero  =  0.00000000000000000000e+00;
 		v = two/x;
 		tmp = tmp*__ieee754_log(fabs(v*tmp));
 		if(tmp<7.09782712893383973096e+02) {
-	    	    for(i=n-1,di=(double)(i+i);i>0;i--){
-		        temp = b;
+		    for(i=n-1,di=(double)(i+i);i>0;i--){
+			temp = b;
 			b *= di;
 			b  = b/x - a;
-		        a = temp;
+			a = temp;
 			di -= two;
-	     	    }
+		    }
 		} else {
-	    	    for(i=n-1,di=(double)(i+i);i>0;i--){
-		        temp = b;
+		    for(i=n-1,di=(double)(i+i);i>0;i--){
+			temp = b;
 			b *= di;
 			b  = b/x - a;
-		        a = temp;
+			a = temp;
 			di -= two;
 		    /* scale b to avoid spurious overflow */
 			if(b>1e100) {
@@ -213,7 +199,7 @@ static double zero  =  0.00000000000000000000e+00;
 			    t /= b;
 			    b  = one;
 			}
-	     	    }
+		    }
 		}
 		/* j0() and j1() suffer enormous loss of precision at and
 		 * near zero; however, we know that their zero points never
@@ -229,13 +215,10 @@ static double zero  =  0.00000000000000000000e+00;
 	}
 	if(sgn==1) return -b; else return b;
 }
+strong_alias (__ieee754_jn, __jn_finite)
 
-#ifdef __STDC__
-	double __ieee754_yn(int n, double x)
-#else
-	double __ieee754_yn(n,x)
-	int n; double x;
-#endif
+double
+__ieee754_yn(int n, double x)
 {
 	int32_t i,hx,ix,lx;
 	int32_t sign;
@@ -244,9 +227,11 @@ static double zero  =  0.00000000000000000000e+00;
 	EXTRACT_WORDS(hx,lx,x);
 	ix = 0x7fffffff&hx;
     /* if Y(n,NaN) is NaN */
-	if((ix|((u_int32_t)(lx|-lx))>>31)>0x7ff00000) return x+x;
-	if((ix|lx)==0) return -HUGE_VAL+x; /* -inf and overflow exception.  */;
-	if(hx<0) return zero/(zero*x);
+	if(__builtin_expect((ix|((u_int32_t)(lx|-lx))>>31)>0x7ff00000,0))
+		return x+x;
+	if(__builtin_expect((ix|lx)==0, 0))
+		return -HUGE_VAL+x; /* -inf and overflow exception.  */;
+	if(__builtin_expect(hx<0, 0)) return zero/(zero*x);
 	sign = 1;
 	if(n<0){
 		n = -n;
@@ -254,7 +239,7 @@ static double zero  =  0.00000000000000000000e+00;
 	}
 	if(n==0) return(__ieee754_y0(x));
 	if(n==1) return(sign*__ieee754_y1(x));
-	if(ix==0x7ff00000) return zero;
+	if(__builtin_expect(ix==0x7ff00000, 0)) return zero;
 	if(ix>=0x52D00000) { /* x > 2**302 */
     /* (x >> n**2)
      *	    Jn(x) = cos(x-(2n+1)*pi/4)*sqrt(2/x*pi)
@@ -265,7 +250,7 @@ static double zero  =  0.00000000000000000000e+00;
      *		   n	sin(xn)*sqt2	cos(xn)*sqt2
      *		----------------------------------
      *		   0	 s-c		 c+s
-     *		   1	-s-c 		-c+s
+     *		   1	-s-c		-c+s
      *		   2	-s+c		-c-s
      *		   3	 s+c		 c-s
      */
@@ -294,3 +279,4 @@ static double zero  =  0.00000000000000000000e+00;
 	}
 	if(sign>0) return b; else return -b;
 }
+strong_alias (__ieee754_yn, __yn_finite)
diff --git a/sysdeps/ieee754/dbl-64/e_lgamma_r.c b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
index a298a5a2a4..e26ce8a247 100644
--- a/sysdeps/ieee754/dbl-64/e_lgamma_r.c
+++ b/sysdeps/ieee754/dbl-64/e_lgamma_r.c
@@ -10,19 +10,15 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_lgamma_r.c,v 1.7 1995/05/10 20:45:42 jtc Exp $";
-#endif
-
 /* __ieee754_lgamma_r(x, signgamp)
  * Reentrant version of the logarithm of the Gamma function
  * with user provide pointer for the sign of Gamma(x).
  *
  * Method:
  *   1. Argument Reduction for 0 < x <= 8
- * 	Since gamma(1+s)=s*gamma(s), for x in [0,8], we may
- * 	reduce x to a number in [1.5,2.5] by
- * 		lgamma(1+s) = log(s) + lgamma(s)
+ *	Since gamma(1+s)=s*gamma(s), for x in [0,8], we may
+ *	reduce x to a number in [1.5,2.5] by
+ *		lgamma(1+s) = log(s) + lgamma(s)
  *	for example,
  *		lgamma(7.3) = log(6.3) + lgamma(6.3)
  *			    = log(6.3*5.3) + lgamma(5.3)
@@ -56,15 +52,15 @@ static char rcsid[] = "$NetBSD: e_lgamma_r.c,v 1.7 1995/05/10 20:45:42 jtc Exp $
  *	Let z = 1/x, then we approximation
  *		f(z) = lgamma(x) - (x-0.5)(log(x)-1)
  *	by
- *	  			    3       5             11
+ *				    3       5             11
  *		w = w0 + w1*z + w2*z  + w3*z  + ... + w6*z
  *	where
  *		|w - f(z)| < 2**-58.74
  *
  *   4. For negative x, since (G is gamma function)
  *		-x*G(-x)*G(x) = pi/sin(pi*x),
- * 	we have
- * 		G(x) = pi/(sin(pi*x)*(-x)*G(-x))
+ *	we have
+ *		G(x) = pi/(sin(pi*x)*(-x)*G(-x))
  *	since G(-x) is positive, sign(G(x)) = sign(sin(pi*x)) for x<0
  *	Hence, for x<0, signgam = sign(sin(pi*x)) and
  *		lgamma(x) = log(|Gamma(x)|)
@@ -77,18 +73,14 @@ static char rcsid[] = "$NetBSD: e_lgamma_r.c,v 1.7 1995/05/10 20:45:42 jtc Exp $
  *		lgamma(1)=lgamma(2)=0
  *		lgamma(x) ~ -log(x) for tiny x
  *		lgamma(0) = lgamma(inf) = inf
- *	 	lgamma(-integer) = +-inf
+ *		lgamma(-integer) = +-inf
  *
  */
 
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const double
-#else
-static double
-#endif
 two52=  4.50359962737049600000e+15, /* 0x43300000, 0x00000000 */
 half=  5.00000000000000000000e-01, /* 0x3FE00000, 0x00000000 */
 one =  1.00000000000000000000e+00, /* 0x3FF00000, 0x00000000 */
@@ -156,18 +148,10 @@ w4  = -5.95187557450339963135e-04, /* 0xBF4380CB, 0x8C0FE741 */
 w5  =  8.36339918996282139126e-04, /* 0x3F4B67BA, 0x4CDAD5D1 */
 w6  = -1.63092934096575273989e-03; /* 0xBF5AB89D, 0x0B9E43E4 */
 
-#ifdef __STDC__
 static const double zero=  0.00000000000000000000e+00;
-#else
-static double zero=  0.00000000000000000000e+00;
-#endif
 
-#ifdef __STDC__
-	static double sin_pi(double x)
-#else
-	static double sin_pi(x)
-	double x;
-#endif
+static double
+sin_pi(double x)
 {
 	double y,z;
 	int n,ix;
@@ -188,16 +172,16 @@ static double zero=  0.00000000000000000000e+00;
 	    y   = 2.0*(y - __floor(y));		/* y = |x| mod 2.0 */
 	    n   = (int) (y*4.0);
 	} else {
-            if(ix>=0x43400000) {
-                y = zero; n = 0;                 /* y must be even */
-            } else {
-                if(ix<0x43300000) z = y+two52;	/* exact */
+	    if(ix>=0x43400000) {
+		y = zero; n = 0;                 /* y must be even */
+	    } else {
+		if(ix<0x43300000) z = y+two52;	/* exact */
 		GET_LOW_WORD(n,z);
 		n &= 1;
-                y  = n;
-                n<<= 2;
-            }
-        }
+		y  = n;
+		n<<= 2;
+	    }
+	}
 	switch (n) {
 	    case 0:   y =  __sin(pi*y); break;
 	    case 1:
@@ -212,12 +196,8 @@ static double zero=  0.00000000000000000000e+00;
 }
 
 
-#ifdef __STDC__
-	double __ieee754_lgamma_r(double x, int *signgamp)
-#else
-	double __ieee754_lgamma_r(x,signgamp)
-	double x; int *signgamp;
-#endif
+double
+__ieee754_lgamma_r(double x, int *signgamp)
 {
 	double t,y,z,nadj,p,p1,p2,p3,q,r,w;
 	int i,hx,lx,ix;
@@ -227,21 +207,23 @@ static double zero=  0.00000000000000000000e+00;
     /* purge off +-inf, NaN, +-0, and negative arguments */
 	*signgamp = 1;
 	ix = hx&0x7fffffff;
-	if(ix>=0x7ff00000) return x*x;
-	if((ix|lx)==0)
+	if(__builtin_expect(ix>=0x7ff00000, 0)) return x*x;
+	if(__builtin_expect((ix|lx)==0, 0))
 	  {
 	    if (hx < 0)
 	      *signgamp = -1;
 	    return one/fabs(x);
 	  }
-	if(ix<0x3b900000) {	/* |x|<2**-70, return -log(|x|) */
+	if(__builtin_expect(ix<0x3b900000, 0)) {
+	    /* |x|<2**-70, return -log(|x|) */
 	    if(hx<0) {
-	        *signgamp = -1;
-	        return -__ieee754_log(-x);
+		*signgamp = -1;
+		return -__ieee754_log(-x);
 	    } else return -__ieee754_log(x);
 	}
 	if(hx<0) {
-	    if(ix>=0x43300000) 	/* |x|>=2**52, must be -integer */
+	    if(__builtin_expect(ix>=0x43300000, 0))
+		/* |x|>=2**52, must be -integer */
 		return x/zero;
 	    t = sin_pi(x);
 	    if(t==zero) return one/fabsf(t); /* -integer */
@@ -254,15 +236,15 @@ static double zero=  0.00000000000000000000e+00;
 	if((((ix-0x3ff00000)|lx)==0)||(((ix-0x40000000)|lx)==0)) r = 0;
     /* for x < 2.0 */
 	else if(ix<0x40000000) {
-	    if(ix<=0x3feccccc) { 	/* lgamma(x) = lgamma(x+1)-log(x) */
+	    if(ix<=0x3feccccc) {	/* lgamma(x) = lgamma(x+1)-log(x) */
 		r = -__ieee754_log(x);
 		if(ix>=0x3FE76944) {y = one-x; i= 0;}
 		else if(ix>=0x3FCDA661) {y= x-(tc-one); i=1;}
-	  	else {y = x; i=2;}
+		else {y = x; i=2;}
 	    } else {
-	  	r = zero;
-	        if(ix>=0x3FFBB4C3) {y=2.0-x;i=0;} /* [1.7316,2] */
-	        else if(ix>=0x3FF3B4C4) {y=x-tc;i=1;} /* [1.23,1.73] */
+		r = zero;
+		if(ix>=0x3FFBB4C3) {y=2.0-x;i=0;} /* [1.7316,2] */
+		else if(ix>=0x3FF3B4C4) {y=x-tc;i=1;} /* [1.23,1.73] */
 		else {y=x-one;i=2;}
 	    }
 	    switch(i) {
@@ -286,7 +268,7 @@ static double zero=  0.00000000000000000000e+00;
 		r += (-0.5*y + p1/p2);
 	    }
 	}
-	else if(ix<0x40200000) { 			/* x < 8.0 */
+	else if(ix<0x40200000) {			/* x < 8.0 */
 	    i = (int)x;
 	    t = zero;
 	    y = x-(double)i;
@@ -315,3 +297,4 @@ static double zero=  0.00000000000000000000e+00;
 	if(hx<0) r = nadj - r;
 	return r;
 }
+strong_alias (__ieee754_lgamma_r, __lgamma_r_finite)
diff --git a/sysdeps/ieee754/dbl-64/e_log.c b/sysdeps/ieee754/dbl-64/e_log.c
index 1a9967b546..5d320db994 100644
--- a/sysdeps/ieee754/dbl-64/e_log.c
+++ b/sysdeps/ieee754/dbl-64/e_log.c
@@ -55,9 +55,9 @@ double __ieee754_log(double x) {
   int k;
 #endif
   double dbl_n,u,p0,q,r0,w,nln2a,luai,lubi,lvaj,lvbj,
-         sij,ssij,ttij,A,B,B0,y,y1,y2,polI,polII,sa,sb,
-         t1,t2,t3,t4,t5,t6,t7,t8,t,ra,rb,ww,
-         a0,aa0,s1,s2,ss2,s3,ss3,a1,aa1,a,aa,b,bb,c;
+	 sij,ssij,ttij,A,B,B0,y,y1,y2,polI,polII,sa,sb,
+	 t1,t2,t3,t4,t5,t6,t7,t8,t,ra,rb,ww,
+	 a0,aa0,s1,s2,ss2,s3,ss3,a1,aa1,a,aa,b,bb,c;
   number num;
   mp_no mpx,mpy,mpy1,mpy2,mperr;
 
@@ -69,12 +69,15 @@ double __ieee754_log(double x) {
   num.d = x;  ux = num.i[HIGH_HALF];  dx = num.i[LOW_HALF];
   n=0;
   if (ux < 0x00100000) {
-    if (((ux & 0x7fffffff) | dx) == 0)  return MHALF/ZERO; /* return -INF */
-    if (ux < 0) return (x-x)/ZERO;                         /* return NaN  */
+    if (__builtin_expect(((ux & 0x7fffffff) | dx) == 0, 0))
+      return MHALF/ZERO; /* return -INF */
+    if (__builtin_expect(ux < 0, 0))
+      return (x-x)/ZERO;                         /* return NaN  */
     n -= 54;    x *= two54.d;                              /* scale x     */
     num.d = x;
   }
-  if (ux >= 0x7ff00000) return x+x;                        /* INF or NaN  */
+  if (__builtin_expect(ux >= 0x7ff00000, 0))
+    return x+x;                        /* INF or NaN  */
 
   /* Regular values of x */
 
@@ -90,7 +93,7 @@ double __ieee754_log(double x) {
 
   /* Evaluate polynomial II */
   polII = (b0.d+w*(b1.d+w*(b2.d+w*(b3.d+w*(b4.d+
-          w*(b5.d+w*(b6.d+w*(b7.d+w*b8.d))))))))*w*w*w;
+	  w*(b5.d+w*(b6.d+w*(b7.d+w*b8.d))))))))*w*w*w;
   c = (aa+bb)+polII;
 
   /* End stage I, case abs(x-1) < 0.03 */
@@ -99,7 +102,7 @@ double __ieee754_log(double x) {
   /*--- Stage II, the case abs(x-1) < 0.03 */
 
   a = d11.d+w*(d12.d+w*(d13.d+w*(d14.d+w*(d15.d+w*(d16.d+
-            w*(d17.d+w*(d18.d+w*(d19.d+w*d20.d))))))));
+	    w*(d17.d+w*(d18.d+w*(d19.d+w*d20.d))))))));
   EMULV(w,a,s2,ss2,t1,t2,t3,t4,t5)
   ADD2(d10.d,dd10.d,s2,ss2,s3,ss3,t1,t2)
   MUL2(w,ZERO,s3,ss3,s2,ss2,t1,t2,t3,t4,t5,t6,t7,t8)
@@ -201,3 +204,4 @@ double __ieee754_log(double x) {
   }
   return y1;
 }
+strong_alias (__ieee754_log, __log_finite)
diff --git a/sysdeps/ieee754/dbl-64/e_log10.c b/sysdeps/ieee754/dbl-64/e_log10.c
index e8a3278eaf..6a630bcef7 100644
--- a/sysdeps/ieee754/dbl-64/e_log10.c
+++ b/sysdeps/ieee754/dbl-64/e_log10.c
@@ -10,10 +10,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_log10.c,v 1.9 1995/05/10 20:45:51 jtc Exp $";
-#endif
-
 /* __ieee754_log10(x)
  * Return the base 10 logarithm of x
  *
@@ -50,28 +46,16 @@ static char rcsid[] = "$NetBSD: e_log10.c,v 1.9 1995/05/10 20:45:51 jtc Exp $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const double
-#else
-static double
-#endif
 two54      =  1.80143985094819840000e+16, /* 0x43500000, 0x00000000 */
 ivln10     =  4.34294481903251816668e-01, /* 0x3FDBCB7B, 0x1526E50E */
 log10_2hi  =  3.01029995663611771306e-01, /* 0x3FD34413, 0x509F6000 */
 log10_2lo  =  3.69423907715893078616e-13; /* 0x3D59FEF3, 0x11F12B36 */
 
-#ifdef __STDC__
 static const double zero   =  0.0;
-#else
-static double zero   =  0.0;
-#endif
 
-#ifdef __STDC__
-	double __ieee754_log10(double x)
-#else
-	double __ieee754_log10(x)
-	double x;
-#endif
+double
+__ieee754_log10(double x)
 {
 	double y,z;
 	int32_t i,k,hx;
@@ -79,20 +63,22 @@ static double zero   =  0.0;
 
 	EXTRACT_WORDS(hx,lx,x);
 
-        k=0;
-        if (hx < 0x00100000) {			/* x < 2**-1022  */
-            if (((hx&0x7fffffff)|lx)==0)
-                return -two54/(x-x);		/* log(+-0)=-inf */
-            if (hx<0) return (x-x)/(x-x);	/* log(-#) = NaN */
-            k -= 54; x *= two54; /* subnormal number, scale up x */
+	k=0;
+	if (hx < 0x00100000) {			/* x < 2**-1022  */
+	    if (__builtin_expect(((hx&0x7fffffff)|lx)==0, 0))
+		return -two54/(x-x);		/* log(+-0)=-inf */
+	    if (__builtin_expect(hx<0, 0))
+		return (x-x)/(x-x);	/* log(-#) = NaN */
+	    k -= 54; x *= two54; /* subnormal number, scale up x */
 	    GET_HIGH_WORD(hx,x);
-        }
-	if (hx >= 0x7ff00000) return x+x;
+	}
+	if (__builtin_expect(hx >= 0x7ff00000, 0)) return x+x;
 	k += (hx>>20)-1023;
 	i  = ((u_int32_t)k&0x80000000)>>31;
-        hx = (hx&0x000fffff)|((0x3ff-i)<<20);
-        y  = (double)(k+i);
+	hx = (hx&0x000fffff)|((0x3ff-i)<<20);
+	y  = (double)(k+i);
 	SET_HIGH_WORD(x,hx);
 	z  = y*log10_2lo + ivln10*__ieee754_log(x);
 	return  z+y*log10_2hi;
 }
+strong_alias (__ieee754_log10, __log10_finite)
diff --git a/sysdeps/ieee754/dbl-64/e_log2.c b/sysdeps/ieee754/dbl-64/e_log2.c
index f05d0ce966..be41cb4e68 100644
--- a/sysdeps/ieee754/dbl-64/e_log2.c
+++ b/sysdeps/ieee754/dbl-64/e_log2.c
@@ -21,14 +21,14 @@
  *   2. Approximation of log(1+f).
  *	Let s = f/(2+f) ; based on log(1+f) = log(1+s) - log(1-s)
  *		 = 2s + 2/3 s**3 + 2/5 s**5 + .....,
- *	     	 = 2s + s*R
+ *		 = 2s + s*R
  *      We use a special Reme algorithm on [0,0.1716] to generate
- * 	a polynomial of degree 14 to approximate R The maximum error
+ *	a polynomial of degree 14 to approximate R The maximum error
  *	of this polynomial approximation is bounded by 2**-58.45. In
  *	other words,
- *		        2      4      6      8      10      12      14
+ *			2      4      6      8      10      12      14
  *	    R(z) ~ Lg1*s +Lg2*s +Lg3*s +Lg4*s +Lg5*s  +Lg6*s  +Lg7*s
- *  	(the values of Lg1 to Lg7 are listed in the program)
+ *	(the values of Lg1 to Lg7 are listed in the program)
  *	and
  *	    |      2          14          |     -58.45
  *	    | Lg1*s +...+Lg7*s    -  R(z) | <= 2
@@ -57,11 +57,7 @@
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const double
-#else
-static double
-#endif
 ln2 = 0.69314718055994530942,
 two54   =  1.80143985094819840000e+16,  /* 43500000 00000000 */
 Lg1 = 6.666666666666735130e-01,  /* 3FE55555 55555593 */
@@ -72,18 +68,10 @@ Lg5 = 1.818357216161805012e-01,  /* 3FC74664 96CB03DE */
 Lg6 = 1.531383769920937332e-01,  /* 3FC39A09 D078C69F */
 Lg7 = 1.479819860511658591e-01;  /* 3FC2F112 DF3E5244 */
 
-#ifdef __STDC__
 static const double zero   =  0.0;
-#else
-static double zero   =  0.0;
-#endif
 
-#ifdef __STDC__
-	double __ieee754_log2(double x)
-#else
-	double __ieee754_log2(x)
-	double x;
-#endif
+double
+__ieee754_log2(double x)
 {
 	double hfsq,f,s,z,R,w,t1,t2,dk;
 	int32_t k,hx,i,j;
@@ -93,13 +81,14 @@ static double zero   =  0.0;
 
 	k=0;
 	if (hx < 0x00100000) {			/* x < 2**-1022  */
-	    if (((hx&0x7fffffff)|lx)==0)
+	    if (__builtin_expect(((hx&0x7fffffff)|lx)==0, 0))
 		return -two54/(x-x);		/* log(+-0)=-inf */
-	    if (hx<0) return (x-x)/(x-x);	/* log(-#) = NaN */
+	    if (__builtin_expect(hx<0, 0))
+		return (x-x)/(x-x);	/* log(-#) = NaN */
 	    k -= 54; x *= two54; /* subnormal number, scale up x */
 	    GET_HIGH_WORD(hx,x);
 	}
-	if (hx >= 0x7ff00000) return x+x;
+	if (__builtin_expect(hx >= 0x7ff00000, 0)) return x+x;
 	k += (hx>>20)-1023;
 	hx &= 0x000fffff;
 	i = (hx+0x95f64)&0x100000;
@@ -112,7 +101,7 @@ static double zero   =  0.0;
 	    R = f*f*(0.5-0.33333333333333333*f);
 	    return dk-(R-f)/ln2;
 	}
- 	s = f/(2.0+f);
+	s = f/(2.0+f);
 	z = s*s;
 	i = hx-0x6147a;
 	w = z*z;
@@ -128,3 +117,4 @@ static double zero   =  0.0;
 	    return dk-((s*(f-R))-f)/ln2;
 	}
 }
+strong_alias (__ieee754_log2, __log2_finite)
diff --git a/sysdeps/ieee754/dbl-64/e_pow.c b/sysdeps/ieee754/dbl-64/e_pow.c
index 1e159f2c0b..83a5eff5c2 100644
--- a/sysdeps/ieee754/dbl-64/e_pow.c
+++ b/sysdeps/ieee754/dbl-64/e_pow.c
@@ -1,7 +1,7 @@
 /*
  * IBM Accurate Mathematical Library
  * written by International Business Machines Corp.
- * Copyright (C) 2001, 2002, 2004 Free Software Foundation
+ * Copyright (C) 2001, 2002, 2004, 2011 Free Software Foundation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -22,12 +22,12 @@
 /*                                                                         */
 /*  FUNCTIONS: upow                                                        */
 /*             power1                                                      */
-/*             my_log2                                                        */
+/*             my_log2                                                     */
 /*             log1                                                        */
 /*             checkint                                                    */
 /* FILES NEEDED: dla.h endian.h mpa.h mydefs.h                             */
 /*               halfulp.c mpexp.c mplog.c slowexp.c slowpow.c mpa.c       */
-/*                          uexp.c  upow.c			           */
+/*                          uexp.c  upow.c				   */
 /*               root.tbl uexp.tbl upow.tbl                                */
 /* An ultimate power routine. Given two IEEE double machine numbers y,x    */
 /* it computes the correctly rounded (to nearest) value of x^y.            */
@@ -77,7 +77,7 @@ double __ieee754_pow(double x, double y) {
   /* else */
   if(((u.i[HIGH_HALF]>0 && u.i[HIGH_HALF]<0x7ff00000)||        /* x>0 and not x->0 */
        (u.i[HIGH_HALF]==0 && u.i[LOW_HALF]!=0))  &&
-                                      /*   2^-1023< x<= 2^-1023 * 0x1.0000ffffffff */
+				      /*   2^-1023< x<= 2^-1023 * 0x1.0000ffffffff */
       (v.i[HIGH_HALF]&0x7fffffff) < 0x4ff00000) {              /* if y<-1 or y>1   */
     z = log1(x,&aa,&error);                                 /* x^y  =e^(y log (X)) */
     t = y*134217729.0;
@@ -153,6 +153,7 @@ double __ieee754_pow(double x, double y) {
   if (y<0) return (x<1.0)?INF.x:0;
   return 0;     /* unreachable, to make the compiler happy */
 }
+strong_alias (__ieee754_pow, __pow_finite)
 
 /**************************************************************************/
 /* Computing x^y using more accurate but more slow log routine            */
diff --git a/sysdeps/ieee754/dbl-64/e_remainder.c b/sysdeps/ieee754/dbl-64/e_remainder.c
index cc06e18ce8..d1782a15cf 100644
--- a/sysdeps/ieee754/dbl-64/e_remainder.c
+++ b/sysdeps/ieee754/dbl-64/e_remainder.c
@@ -1,8 +1,8 @@
 /*
  * IBM Accurate Mathematical Library
  * written by International Business Machines Corp.
- * Copyright (C) 2001 Free Software Foundation
- * 
+ * Copyright (C) 2001, 2011 Free Software Foundation
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
  * the Free Software Foundation; either version 2.1 of the License, or
@@ -96,9 +96,9 @@ double __ieee754_remainder(double x, double y)
       u.x=(u.x-d*w.x)-d*ww.x;
       if (ABS(u.x)<0.5*t.x) return (u.x!=0)?u.x:((x>0)?ZERO.x:nZERO.x);
       else
-        if (ABS(u.x)>0.5*t.x) return (d>z)?u.x+t.x:u.x-t.x;
-        else
-        {z=u.x/t.x; d=(z+big.x)-big.x; return ((u.x-d*w.x)-d*ww.x);}
+	if (ABS(u.x)>0.5*t.x) return (d>z)?u.x+t.x:u.x-t.x;
+	else
+	{z=u.x/t.x; d=(z+big.x)-big.x; return ((u.x-d*w.x)-d*ww.x);}
     }
 
   }   /*   (kx<0x7fe00000&&ky<0x7ff00000&&ky>=0x03500000)     */
@@ -128,3 +128,4 @@ double __ieee754_remainder(double x, double y)
    }
   }
 }
+strong_alias (__ieee754_remainder, __remainder_finite)
diff --git a/sysdeps/ieee754/dbl-64/e_sinh.c b/sysdeps/ieee754/dbl-64/e_sinh.c
index 1701b9bb67..50463c3048 100644
--- a/sysdeps/ieee754/dbl-64/e_sinh.c
+++ b/sysdeps/ieee754/dbl-64/e_sinh.c
@@ -5,7 +5,7 @@
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
@@ -15,15 +15,15 @@ static char rcsid[] = "$NetBSD: e_sinh.c,v 1.7 1995/05/10 20:46:13 jtc Exp $";
 #endif
 
 /* __ieee754_sinh(x)
- * Method : 
+ * Method :
  * mathematically sinh(x) if defined to be (exp(x)-exp(-x))/2
- *	1. Replace x by |x| (sinh(-x) = -sinh(x)). 
- *	2. 
- *		                                    E + E/(E+1)
+ *	1. Replace x by |x| (sinh(-x) = -sinh(x)).
+ *	2.
+ *						    E + E/(E+1)
  *	    0        <= x <= 22     :  sinh(x) := --------------, E=expm1(x)
- *			       			        2
+ *							2
  *
- *	    22       <= x <= lnovft :  sinh(x) := exp(x)/2 
+ *	    22       <= x <= lnovft :  sinh(x) := exp(x)/2
  *	    lnovft   <= x <= ln2ovft:  sinh(x) := exp(x/2)/2 * exp(x/2)
  *	    ln2ovft  <  x	    :  sinh(x) := x*shuge (overflow)
  *
@@ -35,19 +35,11 @@ static char rcsid[] = "$NetBSD: e_sinh.c,v 1.7 1995/05/10 20:46:13 jtc Exp $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const double one = 1.0, shuge = 1.0e307;
-#else
-static double one = 1.0, shuge = 1.0e307;
-#endif
 
-#ifdef __STDC__
-	double __ieee754_sinh(double x)
-#else
-	double __ieee754_sinh(x)
-	double x;
-#endif
-{	
+double
+__ieee754_sinh(double x)
+{
 	double t,w,h;
 	int32_t ix,jx;
 	u_int32_t lx;
@@ -57,14 +49,15 @@ static double one = 1.0, shuge = 1.0e307;
 	ix = jx&0x7fffffff;
 
     /* x is INF or NaN */
-	if(ix>=0x7ff00000) return x+x;	
+	if(__builtin_expect(ix>=0x7ff00000, 0)) return x+x;
 
 	h = 0.5;
 	if (jx<0) h = -h;
     /* |x| in [0,22], return sign(x)*0.5*(E+E/(E+1))) */
 	if (ix < 0x40360000) {		/* |x|<22 */
-	    if (ix<0x3e300000) 		/* |x|<2**-28 */
-		if(shuge+x>one) return x;/* sinh(tiny) = tiny with inexact */
+	    if (__builtin_expect(ix<0x3e300000, 0))	/* |x|<2**-28 */
+		if(shuge+x>one)
+		    return x;/* sinh(tiny) = tiny with inexact */
 	    t = __expm1(fabs(x));
 	    if(ix<0x3ff00000) return h*(2.0*t-t*t/(t+one));
 	    return h*(t+t/(t+one));
@@ -84,3 +77,4 @@ static double one = 1.0, shuge = 1.0e307;
     /* |x| > overflowthresold, sinh(x) overflow */
 	return x*shuge;
 }
+strong_alias (__ieee754_sinh, __sinh_finite)
diff --git a/sysdeps/ieee754/dbl-64/e_sqrt.c b/sysdeps/ieee754/dbl-64/e_sqrt.c
index f7e8055491..05d1e71a0c 100644
--- a/sysdeps/ieee754/dbl-64/e_sqrt.c
+++ b/sysdeps/ieee754/dbl-64/e_sqrt.c
@@ -1,7 +1,7 @@
 /*
  * IBM Accurate Mathematical Library
  * written by International Business Machines Corp.
- * Copyright (C) 2001 Free Software Foundation
+ * Copyright (C) 2001, 2011 Free Software Foundation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -86,3 +86,4 @@ double __ieee754_sqrt(double x) {
     return tm256.x*__ieee754_sqrt(x*t512.x);
   }
 }
+strong_alias (__ieee754_sqrt, __sqrt_finite)
diff --git a/sysdeps/ieee754/dbl-64/halfulp.c b/sysdeps/ieee754/dbl-64/halfulp.c
index 478a4bacf6..42b21fb61d 100644
--- a/sysdeps/ieee754/dbl-64/halfulp.c
+++ b/sysdeps/ieee754/dbl-64/halfulp.c
@@ -1,7 +1,7 @@
 /*
  * IBM Accurate Mathematical Library
  * written by International Business Machines Corp.
- * Copyright (C) 2001, 2005 Free Software Foundation
+ * Copyright (C) 2001, 2005, 2011 Free Software Foundation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -40,13 +40,11 @@
 #include "dla.h"
 #include "math_private.h"
 
-double __ieee754_sqrt(double x);
-
 static const int4 tab54[32] = {
    262143, 11585, 1782, 511, 210, 107, 63, 42,
        30,    22,   17,  14,  12,  10,  9,  7,
-        7,     6,    5,   5,   5,   4,  4,  4,
-        3,     3,    3,   3,   3,   3,  3,  3 };
+	7,     6,    5,   5,   5,   4,  4,  4,
+	3,     3,    3,   3,   3,   3,  3,  3 };
 
 
 double __halfulp(double x, double y)
@@ -64,12 +62,12 @@ double __halfulp(double x, double y)
     z = (double) k;
     return (z*y == -1075.0)?0: -10.0;
   }
-                              /* if y > 0  */
+			      /* if y > 0  */
   v.x = y;
     if (v.i[LOW_HALF] != 0) return -10.0;
 
   v.x=x;
-                              /*  case where x = 2**n for some integer n */
+			      /*  case where x = 2**n for some integer n */
   if (((v.i[HIGH_HALF]&0x000fffff)|v.i[LOW_HALF]) == 0) {
     k=(v.i[HIGH_HALF]>>20)-1023;
     return (((double) k)*y == -1075.0)?0:-10.0;
@@ -90,7 +88,7 @@ double __halfulp(double x, double y)
   k = -k;
   if (k>5) return -10.0;
 
-                            /*   now treat x        */
+			    /*   now treat x        */
   while (k>0) {
     z = __ieee754_sqrt(x);
     EMULV(z,z,u,uu,j1,j2,j3,j4,j5);
@@ -111,11 +109,11 @@ double __halfulp(double x, double y)
   m = (k&0x000fffff)|0x00100000;
   m = m>>(20-l);                       /*   m is the odd integer of x    */
 
-            /*   now check whether the length of m**n is at most 54 bits */
+	    /*   now check whether the length of m**n is at most 54 bits */
 
   if  (m > tab54[n-3]) return -10.0;
 
-             /* yes, it is - now compute x**n by simple multiplications  */
+	     /* yes, it is - now compute x**n by simple multiplications  */
 
   u = x;
   for (k=1;k<n;k++) u = u*x;
diff --git a/sysdeps/ieee754/dbl-64/s_asinh.c b/sysdeps/ieee754/dbl-64/s_asinh.c
index 985cfe32e1..93789fb41e 100644
--- a/sysdeps/ieee754/dbl-64/s_asinh.c
+++ b/sysdeps/ieee754/dbl-64/s_asinh.c
@@ -10,10 +10,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: s_asinh.c,v 1.9 1995/05/12 04:57:37 jtc Exp $";
-#endif
-
 /* asinh(x)
  * Method :
  *	Based on
@@ -28,40 +24,34 @@ static char rcsid[] = "$NetBSD: s_asinh.c,v 1.9 1995/05/12 04:57:37 jtc Exp $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const double
-#else
-static double
-#endif
 one =  1.00000000000000000000e+00, /* 0x3FF00000, 0x00000000 */
 ln2 =  6.93147180559945286227e-01, /* 0x3FE62E42, 0xFEFA39EF */
 huge=  1.00000000000000000000e+300;
 
-#ifdef __STDC__
-	double __asinh(double x)
-#else
-	double __asinh(x)
-	double x;
-#endif
+double
+__asinh(double x)
 {
-	double t,w;
+	double w;
 	int32_t hx,ix;
 	GET_HIGH_WORD(hx,x);
 	ix = hx&0x7fffffff;
-	if(ix>=0x7ff00000) return x+x;	/* x is inf or NaN */
-	if(ix< 0x3e300000) {	/* |x|<2**-28 */
+	if(__builtin_expect(ix< 0x3e300000, 0)) {	/* |x|<2**-28 */
 	    if(huge+x>one) return x;	/* return x inexact except 0 */
 	}
-	if(ix>0x41b00000) {	/* |x| > 2**28 */
+	if(__builtin_expect(ix>0x41b00000, 0)) {	/* |x| > 2**28 */
+	    if(ix>=0x7ff00000) return x+x;	/* x is inf or NaN */
 	    w = __ieee754_log(fabs(x))+ln2;
-	} else if (ix>0x40000000) {	/* 2**28 > |x| > 2.0 */
-	    t = fabs(x);
-	    w = __ieee754_log(2.0*t+one/(__ieee754_sqrt(x*x+one)+t));
-	} else {		/* 2.0 > |x| > 2**-28 */
-	    t = x*x;
-	    w =__log1p(fabs(x)+t/(one+__ieee754_sqrt(one+t)));
+	} else {
+	    double xa = fabs(x);
+	    if (ix>0x40000000) {	/* 2**28 > |x| > 2.0 */
+		w = __ieee754_log(2.0*xa+one/(__ieee754_sqrt(xa*xa+one)+xa));
+	    } else {		/* 2.0 > |x| > 2**-28 */
+		double t = xa*xa;
+		w =__log1p(xa+t/(one+__ieee754_sqrt(one+t)));
+	    }
 	}
-	if(hx>0) return w; else return -w;
+	return __copysign(w, x);
 }
 weak_alias (__asinh, asinh)
 #ifdef NO_LONG_DOUBLE
diff --git a/sysdeps/ieee754/flt-32/e_acosf.c b/sysdeps/ieee754/flt-32/e_acosf.c
index 0d85c4210d..a258e2f918 100644
--- a/sysdeps/ieee754/flt-32/e_acosf.c
+++ b/sysdeps/ieee754/flt-32/e_acosf.c
@@ -8,23 +8,15 @@
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_acosf.c,v 1.5 1995/05/12 04:57:16 jtc Exp $";
-#endif
-
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
-static const float 
-#else
-static float 
-#endif
+static const float
 one =  1.0000000000e+00, /* 0x3F800000 */
 pi =  3.1415925026e+00, /* 0x40490fda */
 pio2_hi =  1.5707962513e+00, /* 0x3fc90fda */
@@ -40,12 +32,8 @@ qS2 =  2.0209457874e+00, /* 0x4001572d */
 qS3 = -6.8828397989e-01, /* 0xbf303361 */
 qS4 =  7.7038154006e-02; /* 0x3d9dc62e */
 
-#ifdef __STDC__
-	float __ieee754_acosf(float x)
-#else
-	float __ieee754_acosf(x)
-	float x;
-#endif
+float
+__ieee754_acosf(float x)
 {
 	float z,p,q,r,w,s,c,df;
 	int32_t hx,ix;
@@ -87,3 +75,4 @@ qS4 =  7.7038154006e-02; /* 0x3d9dc62e */
 	    return (float)2.0*(df+w);
 	}
 }
+strong_alias (__ieee754_acosf, __acosf_finite)
diff --git a/sysdeps/ieee754/flt-32/e_acoshf.c b/sysdeps/ieee754/flt-32/e_acoshf.c
index c607f72117..db8f6ec462 100644
--- a/sysdeps/ieee754/flt-32/e_acoshf.c
+++ b/sysdeps/ieee754/flt-32/e_acoshf.c
@@ -8,7 +8,7 @@
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
@@ -21,9 +21,9 @@ static char rcsid[] = "$NetBSD: e_acoshf.c,v 1.5 1995/05/12 04:57:20 jtc Exp $";
 #include "math_private.h"
 
 #ifdef __STDC__
-static const float 
+static const float
 #else
-static float 
+static float
 #endif
 one	= 1.0,
 ln2	= 6.9314718246e-01;  /* 0x3f317218 */
@@ -34,7 +34,7 @@ ln2	= 6.9314718246e-01;  /* 0x3f317218 */
 	float __ieee754_acoshf(x)
 	float x;
 #endif
-{	
+{
 	float t;
 	int32_t hx;
 	GET_FLOAT_WORD(hx,x);
@@ -42,8 +42,8 @@ ln2	= 6.9314718246e-01;  /* 0x3f317218 */
 	    return (x-x)/(x-x);
 	} else if(hx >=0x4d800000) {	/* x > 2**28 */
 	    if(hx >=0x7f800000) {	/* x is inf of NaN */
-	        return x+x;
-	    } else 
+		return x+x;
+	    } else
 		return __ieee754_logf(x)+ln2;	/* acosh(huge)=log(2x) */
 	} else if (hx==0x3f800000) {
 	    return 0.0;			/* acosh(1) = 0 */
@@ -55,3 +55,4 @@ ln2	= 6.9314718246e-01;  /* 0x3f317218 */
 	    return __log1pf(t+__sqrtf((float)2.0*t+t*t));
 	}
 }
+strong_alias (__ieee754_acoshf, __acoshf_finite)
diff --git a/sysdeps/ieee754/flt-32/e_asinf.c b/sysdeps/ieee754/flt-32/e_asinf.c
index b0c835c83c..7296ba3e13 100644
--- a/sysdeps/ieee754/flt-32/e_asinf.c
+++ b/sysdeps/ieee754/flt-32/e_asinf.c
@@ -14,11 +14,11 @@
  */
 
 /*
-  Modifications for single precision expansion are 
+  Modifications for single precision expansion are
   Copyright (C) 2001 Stephen L. Moshier <moshier@na-net.ornl.gov>
-  and are incorporated herein by permission of the author.  The author 
+  and are incorporated herein by permission of the author.  The author
   reserves the right to distribute this material elsewhere under different
-  copying permissions.  These modifications are distributed here under 
+  copying permissions.  These modifications are distributed here under
   the following terms:
 
     This library is free software; you can redistribute it and/or
@@ -93,7 +93,7 @@ p4 = 4.216630880e-2f;
 	t = w*0.5f;
 	p = t * (p0 + t * (p1 + t * (p2 + t * (p3 + t * p4))));
 	s = __ieee754_sqrtf(t);
-	if(ix>=0x3F79999A) { 	/* if |x| > 0.975 */
+	if(ix>=0x3F79999A) {	/* if |x| > 0.975 */
 	    t = pio2_hi-(2.0f*(s+s*p)-pio2_lo);
 	} else {
 	    int32_t iw;
@@ -108,3 +108,4 @@ p4 = 4.216630880e-2f;
 	}
 	if(hx>0) return t; else return -t;
 }
+strong_alias (__ieee754_asinf, __asinf_finite)
diff --git a/sysdeps/ieee754/flt-32/e_atan2f.c b/sysdeps/ieee754/flt-32/e_atan2f.c
index c0cafb16b8..abbde88bdf 100644
--- a/sysdeps/ieee754/flt-32/e_atan2f.c
+++ b/sysdeps/ieee754/flt-32/e_atan2f.c
@@ -13,18 +13,10 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_atan2f.c,v 1.4 1995/05/10 20:44:53 jtc Exp $";
-#endif
-
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const float
-#else
-static float
-#endif
 tiny  = 1.0e-30,
 zero  = 0.0,
 pi_o_4  = 7.8539818525e-01,  /* 0x3f490fdb */
@@ -32,12 +24,8 @@ pi_o_2  = 1.5707963705e+00,  /* 0x3fc90fdb */
 pi      = 3.1415927410e+00,  /* 0x40490fdb */
 pi_lo   = -8.7422776573e-08; /* 0xb3bbbd2e */
 
-#ifdef __STDC__
-	float __ieee754_atan2f(float y, float x)
-#else
-	float __ieee754_atan2f(y,x)
-	float  y,x;
-#endif
+float
+__ieee754_atan2f (float y, float x)
 {
 	float z;
 	int32_t k,m,hx,hy,ix,iy;
@@ -56,7 +44,7 @@ pi_lo   = -8.7422776573e-08; /* 0xb3bbbd2e */
 	if(iy==0) {
 	    switch(m) {
 		case 0:
-		case 1: return y; 	/* atan(+-0,+anything)=+-0 */
+		case 1: return y;	/* atan(+-0,+anything)=+-0 */
 		case 2: return  pi+tiny;/* atan(+0,-anything) = pi */
 		case 3: return -pi-tiny;/* atan(-0,-anything) =-pi */
 	    }
@@ -87,19 +75,20 @@ pi_lo   = -8.7422776573e-08; /* 0xb3bbbd2e */
 
     /* compute y/x */
 	k = (iy-ix)>>23;
-	if(k > 60) z=pi_o_2+(float)0.5*pi_lo; 	/* |y/x| >  2**60 */
-	else if(hx<0&&k<-60) z=0.0; 	/* |y|/x < -2**60 */
+	if(k > 60) z=pi_o_2+(float)0.5*pi_lo;	/* |y/x| >  2**60 */
+	else if(hx<0&&k<-60) z=0.0;	/* |y|/x < -2**60 */
 	else z=__atanf(fabsf(y/x));	/* safe to do y/x */
 	switch (m) {
 	    case 0: return       z  ;	/* atan(+,+) */
 	    case 1: {
-	    	      u_int32_t zh;
+		      u_int32_t zh;
 		      GET_FLOAT_WORD(zh,z);
 		      SET_FLOAT_WORD(z,zh ^ 0x80000000);
 		    }
 		    return       z  ;	/* atan(-,+) */
 	    case 2: return  pi-(z-pi_lo);/* atan(+,-) */
 	    default: /* case 3 */
-	    	    return  (z-pi_lo)-pi;/* atan(-,-) */
+		    return  (z-pi_lo)-pi;/* atan(-,-) */
 	}
 }
+strong_alias (__ieee754_atan2f, __atan2f_finite)
diff --git a/sysdeps/ieee754/flt-32/e_atanhf.c b/sysdeps/ieee754/flt-32/e_atanhf.c
index f26a15bbc1..ddd18ab300 100644
--- a/sysdeps/ieee754/flt-32/e_atanhf.c
+++ b/sysdeps/ieee754/flt-32/e_atanhf.c
@@ -1,58 +1,70 @@
-/* e_atanhf.c -- float version of e_atanh.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
+/* Copyright (C) 2011 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
- * is preserved.
- * ====================================================
- */
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+
+/* __ieee754_atanh(x)
+   Method :
+      1.Reduced x to positive by atanh(-x) = -atanh(x)
+      2.For x>=0.5
+		    1              2x                          x
+	atanh(x) = --- * log(1 + -------) = 0.5 * log1p(2 * --------)
+		    2             1 - x                      1 - x
+
+	For x<0.5
+	atanh(x) = 0.5*log1p(2x+2x*x/(1-x))
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_atanhf.c,v 1.4 1995/05/10 20:44:56 jtc Exp $";
-#endif
+   Special cases:
+	atanh(x) is NaN if |x| > 1 with signal;
+	atanh(NaN) is that NaN with no signal;
+	atanh(+-1) is +-INF with signal.
 
+ */
+
+#include <inttypes.h>
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
-static const float one = 1.0, huge = 1e30;
-#else
-static float one = 1.0, huge = 1e30;
-#endif
-
-#ifdef __STDC__
-static const float zero = 0.0;
-#else
-static float zero = 0.0;
-#endif
-
-#ifdef __STDC__
-	float __ieee754_atanhf(float x)
-#else
-	float __ieee754_atanhf(x)
-	float x;
-#endif
+static const float huge = 1e30;
+
+float
+__ieee754_atanhf (float x)
 {
-	float t;
-	int32_t hx,ix;
-	GET_FLOAT_WORD(hx,x);
-	ix = hx&0x7fffffff;
-	if (ix>0x3f800000) 		/* |x|>1 */
-	    return (x-x)/(x-x);
-	if(ix==0x3f800000) 
-	    return x/zero;
-	if(ix<0x31800000&&(huge+x)>zero) return x;	/* x<2**-28 */
-	SET_FLOAT_WORD(x,ix);
-	if(ix<0x3f000000) {		/* x < 0.5 */
-	    t = x+x;
-	    t = (float)0.5*__log1pf(t+t*x/(one-x));
-	} else 
-	    t = (float)0.5*__log1pf((x+x)/(one-x));
-	if(hx>=0) return t; else return -t;
+  float xa = fabsf (x);
+  float t;
+  if (xa < 0.5f)
+    {
+      if (__builtin_expect (xa < 0x1.0p-28f, 0) && (huge + x) > 0.0f)
+	return x;
+
+      t = xa + xa;
+      t = 0.5f * __log1pf (t + t * xa / (1.0f - xa));
+    }
+  else if (__builtin_expect (xa < 1.0f, 1))
+    t = 0.5f * __log1pf ((xa + xa) / (1.0f - xa));
+  else
+    {
+      if (xa > 1.0f)
+	return (x - x) / (x - x);
+
+      return x / 0.0f;
+    }
+
+  return __copysignf (t, x);
 }
+strong_alias (__ieee754_atanhf, __atanhf_finite)
diff --git a/sysdeps/ieee754/flt-32/e_coshf.c b/sysdeps/ieee754/flt-32/e_coshf.c
index 223fbeea20..1887639a6b 100644
--- a/sysdeps/ieee754/flt-32/e_coshf.c
+++ b/sysdeps/ieee754/flt-32/e_coshf.c
@@ -1,5 +1,6 @@
 /* e_coshf.c -- float version of e_cosh.c.
  * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
+ * Optimizations by Ulrich Drepper <drepper@gmail.com>, 2011
  */
 
 /*
@@ -13,26 +14,14 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_coshf.c,v 1.6 1996/04/08 15:43:41 phil Exp $";
-#endif
-
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const float huge = 1.0e30;
 static const float one = 1.0, half=0.5;
-#else
-static float one = 1.0, half=0.5, huge = 1.0e30;
-#endif
 
-#ifdef __STDC__
-	float __ieee754_coshf(float x)
-#else
-	float __ieee754_coshf(x)
-	float x;
-#endif
+float
+__ieee754_coshf (float x)
 {
 	float t,w;
 	int32_t ix;
@@ -40,19 +29,17 @@ static float one = 1.0, half=0.5, huge = 1.0e30;
 	GET_FLOAT_WORD(ix,x);
 	ix &= 0x7fffffff;
 
-    /* x is INF or NaN */
-	if(ix>=0x7f800000) return x*x;
-
-    /* |x| in [0,0.5*ln2], return 1+expm1(|x|)^2/(2*exp(|x|)) */
-	if(ix<0x3eb17218) {
-	    t = __expm1f(fabsf(x));
-	    w = one+t;
-	    if (ix<0x24000000) return w;	/* cosh(tiny) = 1 */
-	    return one+(t*t)/(w+w);
-	}
-
-    /* |x| in [0.5*ln2,22], return (exp(|x|)+1/exp(|x|)/2; */
+    /* |x| in [0,22] */
 	if (ix < 0x41b00000) {
+	    /* |x| in [0,0.5*ln2], return 1+expm1(|x|)^2/(2*exp(|x|)) */
+		if(ix<0x3eb17218) {
+		    t = __expm1f(fabsf(x));
+		    w = one+t;
+		    if (ix<0x24000000) return w;	/* cosh(tiny) = 1 */
+		    return one+(t*t)/(w+w);
+		}
+
+	    /* |x| in [0.5*ln2,22], return (exp(|x|)+1/exp(|x|)/2; */
 		t = __ieee754_expf(fabsf(x));
 		return half*t+half/t;
 	}
@@ -67,6 +54,10 @@ static float one = 1.0, half=0.5, huge = 1.0e30;
 	    return t*w;
 	}
 
+    /* x is INF or NaN */
+	if(ix>=0x7f800000) return x*x;
+
     /* |x| > overflowthresold, cosh(x) overflow */
 	return huge*huge;
 }
+strong_alias (__ieee754_coshf, __coshf_finite)
diff --git a/sysdeps/ieee754/flt-32/e_exp2f.c b/sysdeps/ieee754/flt-32/e_exp2f.c
index 194222a0cd..0703cea403 100644
--- a/sysdeps/ieee754/flt-32/e_exp2f.c
+++ b/sysdeps/ieee754/flt-32/e_exp2f.c
@@ -1,5 +1,6 @@
 /* Single-precision floating point 2^x.
-   Copyright (C) 1997,1998,2000,2001,2005,2006 Free Software Foundation, Inc.
+   Copyright (C) 1997,1998,2000,2001,2005,2006,2011
+   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Geoffrey Keating <geoffk@ozemail.com.au>
 
@@ -126,3 +127,4 @@ __ieee754_exp2f (float x)
     /* Return x, if x is a NaN or Inf; or overflow, otherwise.  */
     return TWO127*x;
 }
+strong_alias (__ieee754_exp2f, __exp2f_finite)
diff --git a/sysdeps/ieee754/flt-32/e_fmodf.c b/sysdeps/ieee754/flt-32/e_fmodf.c
index 47b312392c..e82a9ceab7 100644
--- a/sysdeps/ieee754/flt-32/e_fmodf.c
+++ b/sysdeps/ieee754/flt-32/e_fmodf.c
@@ -8,16 +8,12 @@
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_fmodf.c,v 1.4 1995/05/10 20:45:10 jtc Exp $";
-#endif
-
-/* 
+/*
  * __ieee754_fmodf(x,y)
  * Return x mod y in exact arithmetic
  * Method: shift and subtract
@@ -26,18 +22,10 @@ static char rcsid[] = "$NetBSD: e_fmodf.c,v 1.4 1995/05/10 20:45:10 jtc Exp $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const float one = 1.0, Zero[] = {0.0, -0.0,};
-#else
-static float one = 1.0, Zero[] = {0.0, -0.0,};
-#endif
 
-#ifdef __STDC__
-	float __ieee754_fmodf(float x, float y)
-#else
-	float __ieee754_fmodf(x,y)
-	float x,y ;
-#endif
+float
+__ieee754_fmodf (float x, float y)
 {
 	int32_t n,hx,hy,hz,ix,iy,sx,i;
 
@@ -66,13 +54,13 @@ static float one = 1.0, Zero[] = {0.0, -0.0,};
 	} else iy = (hy>>23)-127;
 
     /* set up {hx,lx}, {hy,ly} and align y to x */
-	if(ix >= -126) 
+	if(ix >= -126)
 	    hx = 0x00800000|(0x007fffff&hx);
 	else {		/* subnormal x, shift x to normal */
 	    n = -126-ix;
 	    hx = hx<<n;
 	}
-	if(iy >= -126) 
+	if(iy >= -126)
 	    hy = 0x00800000|(0x007fffff&hy);
 	else {		/* subnormal y, shift y to normal */
 	    n = -126-iy;
@@ -85,17 +73,17 @@ static float one = 1.0, Zero[] = {0.0, -0.0,};
 	    hz=hx-hy;
 	    if(hz<0){hx = hx+hx;}
 	    else {
-	    	if(hz==0) 		/* return sign(x)*0 */
+		if(hz==0)		/* return sign(x)*0 */
 		    return Zero[(u_int32_t)sx>>31];
-	    	hx = hz+hz;
+		hx = hz+hz;
 	    }
 	}
 	hz=hx-hy;
 	if(hz>=0) {hx=hz;}
 
     /* convert back to floating value and restore the sign */
-	if(hx==0) 			/* return sign(x)*0 */
-	    return Zero[(u_int32_t)sx>>31];	
+	if(hx==0)			/* return sign(x)*0 */
+	    return Zero[(u_int32_t)sx>>31];
 	while(hx<0x00800000) {		/* normalize x */
 	    hx = hx+hx;
 	    iy -= 1;
@@ -111,3 +99,4 @@ static float one = 1.0, Zero[] = {0.0, -0.0,};
 	}
 	return x;		/* exact output */
 }
+strong_alias (__ieee754_fmodf, __fmodf_finite)
diff --git a/sysdeps/ieee754/flt-32/e_gammaf_r.c b/sysdeps/ieee754/flt-32/e_gammaf_r.c
index 926c84f368..aeeddf1a96 100644
--- a/sysdeps/ieee754/flt-32/e_gammaf_r.c
+++ b/sysdeps/ieee754/flt-32/e_gammaf_r.c
@@ -1,5 +1,5 @@
 /* Implementation of gamma function according to ISO C.
-   Copyright (C) 1997, 1999, 2001, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1999, 2001, 2004, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -32,19 +32,20 @@ __ieee754_gammaf_r (float x, int *signgamp)
 
   GET_FLOAT_WORD (hx, x);
 
-  if ((hx & 0x7fffffff) == 0)
+  if (__builtin_expect ((hx & 0x7fffffff) == 0, 0))
     {
       /* Return value for x == 0 is Inf with divide by zero exception.  */
       *signgamp = 0;
       return 1.0 / x;
     }
-  if (hx < 0 && (u_int32_t) hx < 0xff800000 && __rintf (x) == x)
+  if (__builtin_expect (hx < 0, 0)
+      && (u_int32_t) hx < 0xff800000 && __rintf (x) == x)
     {
       /* Return value for integer x < 0 is NaN with invalid exception.  */
       *signgamp = 0;
       return (x - x) / (x - x);
     }
-  if (hx == 0xff800000)
+  if (__builtin_expect (hx == 0xff800000, 0))
     {
       /* x == -Inf.  According to ISO this is NaN.  */
       *signgamp = 0;
@@ -54,3 +55,4 @@ __ieee754_gammaf_r (float x, int *signgamp)
   /* XXX FIXME.  */
   return __ieee754_expf (__ieee754_lgammaf_r (x, signgamp));
 }
+strong_alias (__ieee754_gammaf_r, __gammaf_r_finite)
diff --git a/sysdeps/ieee754/flt-32/e_hypotf.c b/sysdeps/ieee754/flt-32/e_hypotf.c
index a8e1a52d2b..7ec8ae66bc 100644
--- a/sysdeps/ieee754/flt-32/e_hypotf.c
+++ b/sysdeps/ieee754/flt-32/e_hypotf.c
@@ -13,19 +13,11 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_hypotf.c,v 1.5 1995/05/12 04:57:30 jtc Exp $";
-#endif
-
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
-	float __ieee754_hypotf(float x, float y)
-#else
-	float __ieee754_hypotf(x,y)
-	float x, y;
-#endif
+float
+__ieee754_hypotf(float x, float y)
 {
 	float a,b,t1,t2,y1,y2,w;
 	int32_t j,k,ha,hb;
@@ -39,7 +31,7 @@ static char rcsid[] = "$NetBSD: e_hypotf.c,v 1.5 1995/05/12 04:57:30 jtc Exp $";
 	SET_FLOAT_WORD(b,hb);	/* b <- |b| */
 	if((ha-hb)>0xf000000) {return a+b;} /* x/y > 2**30 */
 	k=0;
-	if(ha > 0x58800000) {	/* a>2**50 */
+	if(__builtin_expect(ha > 0x58800000, 0)) {	/* a>2**50 */
 	   if(ha >= 0x7f800000) {	/* Inf or NaN */
 	       w = a+b;			/* for sNaN */
 	       if(ha == 0x7f800000) w = a;
@@ -51,15 +43,15 @@ static char rcsid[] = "$NetBSD: e_hypotf.c,v 1.5 1995/05/12 04:57:30 jtc Exp $";
 	   SET_FLOAT_WORD(a,ha);
 	   SET_FLOAT_WORD(b,hb);
 	}
-	if(hb < 0x26800000) {	/* b < 2**-50 */
+	if(__builtin_expect(hb < 0x26800000, 0)) {	/* b < 2**-50 */
 	    if(hb <= 0x007fffff) {	/* subnormal b or 0 */
-	        if(hb==0) return a;
+		if(hb==0) return a;
 		SET_FLOAT_WORD(t1,0x7e800000);	/* t1=2^126 */
 		b *= t1;
 		a *= t1;
 		k -= 126;
 	    } else {		/* scale a and b by 2^60 */
-	        ha += 0x1e000000; 	/* a *= 2^60 */
+		ha += 0x1e000000;	/* a *= 2^60 */
 		hb += 0x1e000000;	/* b *= 2^60 */
 		k -= 60;
 		SET_FLOAT_WORD(a,ha);
@@ -85,3 +77,4 @@ static char rcsid[] = "$NetBSD: e_hypotf.c,v 1.5 1995/05/12 04:57:30 jtc Exp $";
 	    return t1*w;
 	} else return w;
 }
+strong_alias (__ieee754_hypotf, __hypotf_finite)
diff --git a/sysdeps/ieee754/flt-32/e_j0f.c b/sysdeps/ieee754/flt-32/e_j0f.c
index 8c499e614e..d2da43f929 100644
--- a/sysdeps/ieee754/flt-32/e_j0f.c
+++ b/sysdeps/ieee754/flt-32/e_j0f.c
@@ -13,29 +13,17 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_j0f.c,v 1.4 1995/05/10 20:45:25 jtc Exp $";
-#endif
-
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static float pzerof(float), qzerof(float);
-#else
-static float pzerof(), qzerof();
-#endif
 
-#ifdef __STDC__
 static const float
-#else
-static float
-#endif
-huge 	= 1e30,
+huge	= 1e30,
 one	= 1.0,
 invsqrtpi=  5.6418961287e-01, /* 0x3f106ebb */
 tpi      =  6.3661974669e-01, /* 0x3f22f983 */
- 		/* R0/S0 on [0, 2.00] */
+		/* R0/S0 on [0, 2.00] */
 R02  =  1.5625000000e-02, /* 0x3c800000 */
 R03  = -1.8997929874e-04, /* 0xb947352e */
 R04  =  1.8295404516e-06, /* 0x35f58e88 */
@@ -45,18 +33,10 @@ S02  =  1.1692678527e-04, /* 0x38f53697 */
 S03  =  5.1354652442e-07, /* 0x3509daa6 */
 S04  =  1.1661400734e-09; /* 0x30a045e8 */
 
-#ifdef __STDC__
 static const float zero = 0.0;
-#else
-static float zero = 0.0;
-#endif
 
-#ifdef __STDC__
-	float __ieee754_j0f(float x)
-#else
-	float __ieee754_j0f(x)
-	float x;
-#endif
+float
+__ieee754_j0f(float x)
 {
 	float z, s,c,ss,cc,r,u,v;
 	int32_t hx,ix;
@@ -72,7 +52,7 @@ static float zero = 0.0;
 		if(ix<0x7f000000) {  /* make sure x+x not overflow */
 		    z = -__cosf(x+x);
 		    if ((s*c)<zero) cc = z/ss;
-		    else 	    ss = z/cc;
+		    else	    ss = z/cc;
 		}
 	/*
 	 * j0(x) = 1/sqrt(pi) * (P(0,x)*cc - Q(0,x)*ss) / sqrt(x)
@@ -87,8 +67,8 @@ static float zero = 0.0;
 	}
 	if(ix<0x39000000) {	/* |x| < 2**-13 */
 	    if(huge+x>one) {	/* raise inexact if x != 0 */
-	        if(ix<0x32000000) return one;	/* |x|<2**-27 */
-	        else 	      return one - (float)0.25*x*x;
+		if(ix<0x32000000) return one;	/* |x|<2**-27 */
+		else	      return one - (float)0.25*x*x;
 	    }
 	}
 	z = x*x;
@@ -101,12 +81,9 @@ static float zero = 0.0;
 	    return((one+u)*(one-u)+z*(r/s));
 	}
 }
+strong_alias (__ieee754_j0f, __j0f_finite)
 
-#ifdef __STDC__
 static const float
-#else
-static float
-#endif
 u00  = -7.3804296553e-02, /* 0xbd9726b5 */
 u01  =  1.7666645348e-01, /* 0x3e34e80d */
 u02  = -1.3818567619e-02, /* 0xbc626746 */
@@ -119,52 +96,48 @@ v02  =  7.6006865129e-05, /* 0x389f65e0 */
 v03  =  2.5915085189e-07, /* 0x348b216c */
 v04  =  4.4111031494e-10; /* 0x2ff280c2 */
 
-#ifdef __STDC__
-	float __ieee754_y0f(float x)
-#else
-	float __ieee754_y0f(x)
-	float x;
-#endif
+float
+__ieee754_y0f(float x)
 {
 	float z, s,c,ss,cc,u,v;
 	int32_t hx,ix;
 
 	GET_FLOAT_WORD(hx,x);
-        ix = 0x7fffffff&hx;
+	ix = 0x7fffffff&hx;
     /* Y0(NaN) is NaN, y0(-inf) is Nan, y0(inf) is 0, y0(0) is -inf.  */
 	if(ix>=0x7f800000) return  one/(x+x*x);
-        if(ix==0) return -HUGE_VALF+x;  /* -inf and overflow exception.  */
-        if(hx<0) return zero/(zero*x);
-        if(ix >= 0x40000000) {  /* |x| >= 2.0 */
-        /* y0(x) = sqrt(2/(pi*x))*(p0(x)*sin(x0)+q0(x)*cos(x0))
-         * where x0 = x-pi/4
-         *      Better formula:
-         *              cos(x0) = cos(x)cos(pi/4)+sin(x)sin(pi/4)
-         *                      =  1/sqrt(2) * (sin(x) + cos(x))
-         *              sin(x0) = sin(x)cos(3pi/4)-cos(x)sin(3pi/4)
-         *                      =  1/sqrt(2) * (sin(x) - cos(x))
-         * To avoid cancellation, use
-         *              sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
-         * to compute the worse one.
-         */
+	if(ix==0) return -HUGE_VALF+x;  /* -inf and overflow exception.  */
+	if(hx<0) return zero/(zero*x);
+	if(ix >= 0x40000000) {  /* |x| >= 2.0 */
+	/* y0(x) = sqrt(2/(pi*x))*(p0(x)*sin(x0)+q0(x)*cos(x0))
+	 * where x0 = x-pi/4
+	 *      Better formula:
+	 *              cos(x0) = cos(x)cos(pi/4)+sin(x)sin(pi/4)
+	 *                      =  1/sqrt(2) * (sin(x) + cos(x))
+	 *              sin(x0) = sin(x)cos(3pi/4)-cos(x)sin(3pi/4)
+	 *                      =  1/sqrt(2) * (sin(x) - cos(x))
+	 * To avoid cancellation, use
+	 *              sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
+	 * to compute the worse one.
+	 */
 		__sincosf (x, &s, &c);
-                ss = s-c;
-                cc = s+c;
+		ss = s-c;
+		cc = s+c;
 	/*
 	 * j0(x) = 1/sqrt(pi) * (P(0,x)*cc - Q(0,x)*ss) / sqrt(x)
 	 * y0(x) = 1/sqrt(pi) * (P(0,x)*ss + Q(0,x)*cc) / sqrt(x)
 	 */
-                if(ix<0x7f000000) {  /* make sure x+x not overflow */
-                    z = -__cosf(x+x);
-                    if ((s*c)<zero) cc = z/ss;
-                    else            ss = z/cc;
-                }
-                if(ix>0x48000000) z = (invsqrtpi*ss)/__ieee754_sqrtf(x);
-                else {
-                    u = pzerof(x); v = qzerof(x);
-                    z = invsqrtpi*(u*ss+v*cc)/__ieee754_sqrtf(x);
-                }
-                return z;
+		if(ix<0x7f000000) {  /* make sure x+x not overflow */
+		    z = -__cosf(x+x);
+		    if ((s*c)<zero) cc = z/ss;
+		    else            ss = z/cc;
+		}
+		if(ix>0x48000000) z = (invsqrtpi*ss)/__ieee754_sqrtf(x);
+		else {
+		    u = pzerof(x); v = qzerof(x);
+		    z = invsqrtpi*(u*ss+v*cc)/__ieee754_sqrtf(x);
+		}
+		return z;
 	}
 	if(ix<=0x32000000) {	/* x < 2**-27 */
 	    return(u00 + tpi*__ieee754_logf(x));
@@ -174,21 +147,18 @@ v04  =  4.4111031494e-10; /* 0x2ff280c2 */
 	v = one+z*(v01+z*(v02+z*(v03+z*v04)));
 	return(u/v + tpi*(__ieee754_j0f(x)*__ieee754_logf(x)));
 }
+strong_alias (__ieee754_y0f, __y0f_finite)
 
 /* The asymptotic expansions of pzero is
  *	1 - 9/128 s^2 + 11025/98304 s^4 - ...,	where s = 1/x.
  * For x >= 2, We approximate pzero by
- * 	pzero(x) = 1 + (R/S)
+ *	pzero(x) = 1 + (R/S)
  * where  R = pR0 + pR1*s^2 + pR2*s^4 + ... + pR5*s^10
- * 	  S = 1 + pS0*s^2 + ... + pS4*s^10
+ *	  S = 1 + pS0*s^2 + ... + pS4*s^10
  * and
  *	| pzero(x)-1-R/S | <= 2  ** ( -60.26)
  */
-#ifdef __STDC__
 static const float pR8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
-#else
-static float pR8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
-#endif
   0.0000000000e+00, /* 0x00000000 */
  -7.0312500000e-02, /* 0xbd900000 */
  -8.0816707611e+00, /* 0xc1014e86 */
@@ -196,22 +166,14 @@ static float pR8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
  -2.4852163086e+03, /* 0xc51b5376 */
  -5.2530439453e+03, /* 0xc5a4285a */
 };
-#ifdef __STDC__
 static const float pS8[5] = {
-#else
-static float pS8[5] = {
-#endif
   1.1653436279e+02, /* 0x42e91198 */
   3.8337448730e+03, /* 0x456f9beb */
   4.0597855469e+04, /* 0x471e95db */
   1.1675296875e+05, /* 0x47e4087c */
   4.7627726562e+04, /* 0x473a0bba */
 };
-#ifdef __STDC__
 static const float pR5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
-#else
-static float pR5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
-#endif
  -1.1412546255e-11, /* 0xad48c58a */
  -7.0312492549e-02, /* 0xbd8fffff */
  -4.1596107483e+00, /* 0xc0851b88 */
@@ -219,11 +181,7 @@ static float pR5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
  -3.3123129272e+02, /* 0xc3a59d9b */
  -3.4643338013e+02, /* 0xc3ad3779 */
 };
-#ifdef __STDC__
 static const float pS5[5] = {
-#else
-static float pS5[5] = {
-#endif
   6.0753936768e+01, /* 0x42730408 */
   1.0512523193e+03, /* 0x44836813 */
   5.9789707031e+03, /* 0x45bad7c4 */
@@ -231,11 +189,7 @@ static float pS5[5] = {
   2.4060581055e+03, /* 0x451660ee */
 };
 
-#ifdef __STDC__
 static const float pR3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
-#else
-static float pR3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
-#endif
  -2.5470459075e-09, /* 0xb12f081b */
  -7.0311963558e-02, /* 0xbd8fffb8 */
  -2.4090321064e+00, /* 0xc01a2d95 */
@@ -243,11 +197,7 @@ static float pR3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
  -5.8079170227e+01, /* 0xc2685112 */
  -3.1447946548e+01, /* 0xc1fb9565 */
 };
-#ifdef __STDC__
 static const float pS3[5] = {
-#else
-static float pS3[5] = {
-#endif
   3.5856033325e+01, /* 0x420f6c94 */
   3.6151397705e+02, /* 0x43b4c1ca */
   1.1936077881e+03, /* 0x44953373 */
@@ -255,11 +205,7 @@ static float pS3[5] = {
   1.7358093262e+02, /* 0x432d94b8 */
 };
 
-#ifdef __STDC__
 static const float pR2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
-#else
-static float pR2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
-#endif
  -8.8753431271e-08, /* 0xb3be98b7 */
  -7.0303097367e-02, /* 0xbd8ffb12 */
  -1.4507384300e+00, /* 0xbfb9b1cc */
@@ -267,11 +213,7 @@ static float pR2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
  -1.1193166733e+01, /* 0xc1331736 */
  -3.2336456776e+00, /* 0xc04ef40d */
 };
-#ifdef __STDC__
 static const float pS2[5] = {
-#else
-static float pS2[5] = {
-#endif
   2.2220300674e+01, /* 0x41b1c32d */
   1.3620678711e+02, /* 0x430834f0 */
   2.7047027588e+02, /* 0x43873c32 */
@@ -279,18 +221,10 @@ static float pS2[5] = {
   1.4657617569e+01, /* 0x416a859a */
 };
 
-#ifdef __STDC__
-	static float pzerof(float x)
-#else
-	static float pzerof(x)
-	float x;
-#endif
+static float
+pzerof(float x)
 {
-#ifdef __STDC__
 	const float *p,*q;
-#else
-	float *p,*q;
-#endif
 	float z,r,s;
 	int32_t ix;
 	GET_FLOAT_WORD(ix,x);
@@ -309,17 +243,13 @@ static float pS2[5] = {
 /* For x >= 8, the asymptotic expansions of qzero is
  *	-1/8 s + 75/1024 s^3 - ..., where s = 1/x.
  * We approximate pzero by
- * 	qzero(x) = s*(-1.25 + (R/S))
+ *	qzero(x) = s*(-1.25 + (R/S))
  * where  R = qR0 + qR1*s^2 + qR2*s^4 + ... + qR5*s^10
- * 	  S = 1 + qS0*s^2 + ... + qS5*s^12
+ *	  S = 1 + qS0*s^2 + ... + qS5*s^12
  * and
  *	| qzero(x)/s +1.25-R/S | <= 2  ** ( -61.22)
  */
-#ifdef __STDC__
 static const float qR8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
-#else
-static float qR8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
-#endif
   0.0000000000e+00, /* 0x00000000 */
   7.3242187500e-02, /* 0x3d960000 */
   1.1768206596e+01, /* 0x413c4a93 */
@@ -327,11 +257,7 @@ static float qR8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
   8.8591972656e+03, /* 0x460a6cca */
   3.7014625000e+04, /* 0x471096a0 */
 };
-#ifdef __STDC__
 static const float qS8[6] = {
-#else
-static float qS8[6] = {
-#endif
   1.6377603149e+02, /* 0x4323c6aa */
   8.0983447266e+03, /* 0x45fd12c2 */
   1.4253829688e+05, /* 0x480b3293 */
@@ -340,11 +266,7 @@ static float qS8[6] = {
  -3.4389928125e+05, /* 0xc8a7eb69 */
 };
 
-#ifdef __STDC__
 static const float qR5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
-#else
-static float qR5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
-#endif
   1.8408595828e-11, /* 0x2da1ec79 */
   7.3242180049e-02, /* 0x3d95ffff */
   5.8356351852e+00, /* 0x40babd86 */
@@ -352,11 +274,7 @@ static float qR5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
   1.0272437744e+03, /* 0x448067cd */
   1.9899779053e+03, /* 0x44f8bf4b */
 };
-#ifdef __STDC__
 static const float qS5[6] = {
-#else
-static float qS5[6] = {
-#endif
   8.2776611328e+01, /* 0x42a58da0 */
   2.0778142090e+03, /* 0x4501dd07 */
   1.8847289062e+04, /* 0x46933e94 */
@@ -365,11 +283,7 @@ static float qS5[6] = {
  -5.3543427734e+03, /* 0xc5a752be */
 };
 
-#ifdef __STDC__
 static const float qR3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
-#else
-static float qR3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
-#endif
   4.3774099900e-09, /* 0x3196681b */
   7.3241114616e-02, /* 0x3d95ff70 */
   3.3442313671e+00, /* 0x405607e3 */
@@ -377,11 +291,7 @@ static float qR3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
   1.7080809021e+02, /* 0x432acedf */
   1.6673394775e+02, /* 0x4326bbe4 */
 };
-#ifdef __STDC__
 static const float qS3[6] = {
-#else
-static float qS3[6] = {
-#endif
   4.8758872986e+01, /* 0x42430916 */
   7.0968920898e+02, /* 0x44316c1c */
   3.7041481934e+03, /* 0x4567825f */
@@ -390,11 +300,7 @@ static float qS3[6] = {
  -1.4924745178e+02, /* 0xc3153f59 */
 };
 
-#ifdef __STDC__
 static const float qR2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
-#else
-static float qR2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
-#endif
   1.5044444979e-07, /* 0x342189db */
   7.3223426938e-02, /* 0x3d95f62a */
   1.9981917143e+00, /* 0x3fffc4bf */
@@ -402,11 +308,7 @@ static float qR2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
   3.1666231155e+01, /* 0x41fd5471 */
   1.6252708435e+01, /* 0x4182058c */
 };
-#ifdef __STDC__
 static const float qS2[6] = {
-#else
-static float qS2[6] = {
-#endif
   3.0365585327e+01, /* 0x41f2ecb8 */
   2.6934811401e+02, /* 0x4386ac8f */
   8.4478375244e+02, /* 0x44533229 */
@@ -415,18 +317,10 @@ static float qS2[6] = {
  -5.3109550476e+00, /* 0xc0a9f358 */
 };
 
-#ifdef __STDC__
-	static float qzerof(float x)
-#else
-	static float qzerof(x)
-	float x;
-#endif
+static float
+qzerof(float x)
 {
-#ifdef __STDC__
 	const float *p,*q;
-#else
-	float *p,*q;
-#endif
 	float s,r,z;
 	int32_t ix;
 	GET_FLOAT_WORD(ix,x);
diff --git a/sysdeps/ieee754/flt-32/e_j1f.c b/sysdeps/ieee754/flt-32/e_j1f.c
index 71bb2515af..bb335a7403 100644
--- a/sysdeps/ieee754/flt-32/e_j1f.c
+++ b/sysdeps/ieee754/flt-32/e_j1f.c
@@ -13,24 +13,12 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_j1f.c,v 1.4 1995/05/10 20:45:31 jtc Exp $";
-#endif
-
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static float ponef(float), qonef(float);
-#else
-static float ponef(), qonef();
-#endif
 
-#ifdef __STDC__
 static const float
-#else
-static float
-#endif
 huge    = 1e30,
 one	= 1.0,
 invsqrtpi=  5.6418961287e-01, /* 0x3f106ebb */
@@ -46,25 +34,17 @@ s03  =  1.1771846857e-06, /* 0x359dffc2 */
 s04  =  5.0463624390e-09, /* 0x31ad6446 */
 s05  =  1.2354227016e-11; /* 0x2d59567e */
 
-#ifdef __STDC__
 static const float zero    = 0.0;
-#else
-static float zero    = 0.0;
-#endif
 
-#ifdef __STDC__
-	float __ieee754_j1f(float x)
-#else
-	float __ieee754_j1f(x)
-	float x;
-#endif
+float
+__ieee754_j1f(float x)
 {
 	float z, s,c,ss,cc,r,u,v,y;
 	int32_t hx,ix;
 
 	GET_FLOAT_WORD(hx,x);
 	ix = hx&0x7fffffff;
-	if(ix>=0x7f800000) return one/x;
+	if(__builtin_expect(ix>=0x7f800000, 0)) return one/x;
 	y = fabsf(x);
 	if(ix >= 0x40000000) {	/* |x| >= 2.0 */
 		__sincosf (y, &s, &c);
@@ -73,7 +53,7 @@ static float zero    = 0.0;
 		if(ix<0x7f000000) {  /* make sure y+y not overflow */
 		    z = __cosf(y+y);
 		    if ((s*c)>zero) cc = z/ss;
-		    else 	    ss = z/cc;
+		    else	    ss = z/cc;
 		}
 	/*
 	 * j1(x) = 1/sqrt(pi) * (P(1,x)*cc - Q(1,x)*ss) / sqrt(x)
@@ -85,9 +65,9 @@ static float zero    = 0.0;
 		    z = invsqrtpi*(u*cc-v*ss)/__ieee754_sqrtf(y);
 		}
 		if(hx<0) return -z;
-		else  	 return  z;
+		else	 return  z;
 	}
-	if(ix<0x32000000) {	/* |x|<2**-27 */
+	if(__builtin_expect(ix<0x32000000, 0)) {	/* |x|<2**-27 */
 	    if(huge+x>one) return (float)0.5*x;/* inexact if x!=0 necessary */
 	}
 	z = x*x;
@@ -96,23 +76,16 @@ static float zero    = 0.0;
 	r *= x;
 	return(x*(float)0.5+r/s);
 }
+strong_alias (__ieee754_j1f, __j1f_finite)
 
-#ifdef __STDC__
 static const float U0[5] = {
-#else
-static float U0[5] = {
-#endif
  -1.9605709612e-01, /* 0xbe48c331 */
   5.0443872809e-02, /* 0x3d4e9e3c */
  -1.9125689287e-03, /* 0xbafaaf2a */
   2.3525259166e-05, /* 0x37c5581c */
  -9.1909917899e-08, /* 0xb3c56003 */
 };
-#ifdef __STDC__
 static const float V0[5] = {
-#else
-static float V0[5] = {
-#endif
   1.9916731864e-02, /* 0x3ca3286a */
   2.0255257550e-04, /* 0x3954644b */
   1.3560879779e-06, /* 0x35b602d4 */
@@ -120,73 +93,67 @@ static float V0[5] = {
   1.6655924903e-11, /* 0x2d9281cf */
 };
 
-#ifdef __STDC__
-	float __ieee754_y1f(float x)
-#else
-	float __ieee754_y1f(x)
-	float x;
-#endif
+float
+__ieee754_y1f(float x)
 {
 	float z, s,c,ss,cc,u,v;
 	int32_t hx,ix;
 
 	GET_FLOAT_WORD(hx,x);
-        ix = 0x7fffffff&hx;
+	ix = 0x7fffffff&hx;
     /* if Y1(NaN) is NaN, Y1(-inf) is NaN, Y1(inf) is 0 */
-	if(ix>=0x7f800000) return  one/(x+x*x);
-        if(ix==0) return -HUGE_VALF+x;  /* -inf and overflow exception.  */
-        if(hx<0) return zero/(zero*x);
-        if(ix >= 0x40000000) {  /* |x| >= 2.0 */
+	if(__builtin_expect(ix>=0x7f800000, 0)) return  one/(x+x*x);
+	if(__builtin_expect(ix==0, 0))
+		return -HUGE_VALF+x;  /* -inf and overflow exception.  */
+	if(__builtin_expect(hx<0, 0)) return zero/(zero*x);
+	if(ix >= 0x40000000) {  /* |x| >= 2.0 */
 		__sincosf (x, &s, &c);
-                ss = -s-c;
-                cc = s-c;
-                if(ix<0x7f000000) {  /* make sure x+x not overflow */
-                    z = __cosf(x+x);
-                    if ((s*c)>zero) cc = z/ss;
-                    else            ss = z/cc;
-                }
-        /* y1(x) = sqrt(2/(pi*x))*(p1(x)*sin(x0)+q1(x)*cos(x0))
-         * where x0 = x-3pi/4
-         *      Better formula:
-         *              cos(x0) = cos(x)cos(3pi/4)+sin(x)sin(3pi/4)
-         *                      =  1/sqrt(2) * (sin(x) - cos(x))
-         *              sin(x0) = sin(x)cos(3pi/4)-cos(x)sin(3pi/4)
-         *                      = -1/sqrt(2) * (cos(x) + sin(x))
-         * To avoid cancellation, use
-         *              sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
-         * to compute the worse one.
-         */
-                if(ix>0x48000000) z = (invsqrtpi*ss)/__ieee754_sqrtf(x);
-                else {
-                    u = ponef(x); v = qonef(x);
-                    z = invsqrtpi*(u*ss+v*cc)/__ieee754_sqrtf(x);
-                }
-                return z;
-        }
-        if(ix<=0x24800000) {    /* x < 2**-54 */
-            return(-tpi/x);
-        }
-        z = x*x;
-        u = U0[0]+z*(U0[1]+z*(U0[2]+z*(U0[3]+z*U0[4])));
-        v = one+z*(V0[0]+z*(V0[1]+z*(V0[2]+z*(V0[3]+z*V0[4]))));
-        return(x*(u/v) + tpi*(__ieee754_j1f(x)*__ieee754_logf(x)-one/x));
+		ss = -s-c;
+		cc = s-c;
+		if(ix<0x7f000000) {  /* make sure x+x not overflow */
+		    z = __cosf(x+x);
+		    if ((s*c)>zero) cc = z/ss;
+		    else            ss = z/cc;
+		}
+	/* y1(x) = sqrt(2/(pi*x))*(p1(x)*sin(x0)+q1(x)*cos(x0))
+	 * where x0 = x-3pi/4
+	 *      Better formula:
+	 *              cos(x0) = cos(x)cos(3pi/4)+sin(x)sin(3pi/4)
+	 *                      =  1/sqrt(2) * (sin(x) - cos(x))
+	 *              sin(x0) = sin(x)cos(3pi/4)-cos(x)sin(3pi/4)
+	 *                      = -1/sqrt(2) * (cos(x) + sin(x))
+	 * To avoid cancellation, use
+	 *              sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
+	 * to compute the worse one.
+	 */
+		if(ix>0x48000000) z = (invsqrtpi*ss)/__ieee754_sqrtf(x);
+		else {
+		    u = ponef(x); v = qonef(x);
+		    z = invsqrtpi*(u*ss+v*cc)/__ieee754_sqrtf(x);
+		}
+		return z;
+	}
+	if(__builtin_expect(ix<=0x24800000, 0)) {    /* x < 2**-54 */
+	    return(-tpi/x);
+	}
+	z = x*x;
+	u = U0[0]+z*(U0[1]+z*(U0[2]+z*(U0[3]+z*U0[4])));
+	v = one+z*(V0[0]+z*(V0[1]+z*(V0[2]+z*(V0[3]+z*V0[4]))));
+	return(x*(u/v) + tpi*(__ieee754_j1f(x)*__ieee754_logf(x)-one/x));
 }
+strong_alias (__ieee754_y1f, __y1f_finite)
 
 /* For x >= 8, the asymptotic expansions of pone is
  *	1 + 15/128 s^2 - 4725/2^15 s^4 - ...,	where s = 1/x.
  * We approximate pone by
- * 	pone(x) = 1 + (R/S)
+ *	pone(x) = 1 + (R/S)
  * where  R = pr0 + pr1*s^2 + pr2*s^4 + ... + pr5*s^10
- * 	  S = 1 + ps0*s^2 + ... + ps4*s^10
+ *	  S = 1 + ps0*s^2 + ... + ps4*s^10
  * and
  *	| pone(x)-1-R/S | <= 2  ** ( -60.06)
  */
 
-#ifdef __STDC__
 static const float pr8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
-#else
-static float pr8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
-#endif
   0.0000000000e+00, /* 0x00000000 */
   1.1718750000e-01, /* 0x3df00000 */
   1.3239480972e+01, /* 0x4153d4ea */
@@ -194,11 +161,7 @@ static float pr8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
   3.8747453613e+03, /* 0x45722bed */
   7.9144794922e+03, /* 0x45f753d6 */
 };
-#ifdef __STDC__
 static const float ps8[5] = {
-#else
-static float ps8[5] = {
-#endif
   1.1420736694e+02, /* 0x42e46a2c */
   3.6509309082e+03, /* 0x45642ee5 */
   3.6956207031e+04, /* 0x47105c35 */
@@ -206,11 +169,7 @@ static float ps8[5] = {
   3.0804271484e+04, /* 0x46f0a88b */
 };
 
-#ifdef __STDC__
 static const float pr5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
-#else
-static float pr5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
-#endif
   1.3199052094e-11, /* 0x2d68333f */
   1.1718749255e-01, /* 0x3defffff */
   6.8027510643e+00, /* 0x40d9b023 */
@@ -218,11 +177,7 @@ static float pr5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
   5.1763616943e+02, /* 0x440168b7 */
   5.2871520996e+02, /* 0x44042dc6 */
 };
-#ifdef __STDC__
 static const float ps5[5] = {
-#else
-static float ps5[5] = {
-#endif
   5.9280597687e+01, /* 0x426d1f55 */
   9.9140142822e+02, /* 0x4477d9b1 */
   5.3532670898e+03, /* 0x45a74a23 */
@@ -230,11 +185,7 @@ static float ps5[5] = {
   1.5040468750e+03, /* 0x44bc0180 */
 };
 
-#ifdef __STDC__
 static const float pr3[6] = {
-#else
-static float pr3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
-#endif
   3.0250391081e-09, /* 0x314fe10d */
   1.1718686670e-01, /* 0x3defffab */
   3.9329774380e+00, /* 0x407bb5e7 */
@@ -242,11 +193,7 @@ static float pr3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
   9.1055007935e+01, /* 0x42b61c2a */
   4.8559066772e+01, /* 0x42423c7c */
 };
-#ifdef __STDC__
 static const float ps3[5] = {
-#else
-static float ps3[5] = {
-#endif
   3.4791309357e+01, /* 0x420b2a4d */
   3.3676245117e+02, /* 0x43a86198 */
   1.0468714600e+03, /* 0x4482dbe3 */
@@ -254,11 +201,7 @@ static float ps3[5] = {
   1.0378793335e+02, /* 0x42cf936c */
 };
 
-#ifdef __STDC__
 static const float pr2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
-#else
-static float pr2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
-#endif
   1.0771083225e-07, /* 0x33e74ea8 */
   1.1717621982e-01, /* 0x3deffa16 */
   2.3685150146e+00, /* 0x401795c0 */
@@ -266,11 +209,7 @@ static float pr2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
   1.7693971634e+01, /* 0x418d8d41 */
   5.0735230446e+00, /* 0x40a25a4d */
 };
-#ifdef __STDC__
 static const float ps2[5] = {
-#else
-static float ps2[5] = {
-#endif
   2.1436485291e+01, /* 0x41ab7dec */
   1.2529022980e+02, /* 0x42fa9499 */
   2.3227647400e+02, /* 0x436846c7 */
@@ -278,48 +217,36 @@ static float ps2[5] = {
   8.3646392822e+00, /* 0x4105d590 */
 };
 
-#ifdef __STDC__
-	static float ponef(float x)
-#else
-	static float ponef(x)
-	float x;
-#endif
+static float
+ponef(float x)
 {
-#ifdef __STDC__
 	const float *p,*q;
-#else
-	float *p,*q;
-#endif
 	float z,r,s;
-        int32_t ix;
+	int32_t ix;
 	GET_FLOAT_WORD(ix,x);
 	ix &= 0x7fffffff;
-        if(ix>=0x41000000)     {p = pr8; q= ps8;}
-        else if(ix>=0x40f71c58){p = pr5; q= ps5;}
-        else if(ix>=0x4036db68){p = pr3; q= ps3;}
-        else if(ix>=0x40000000){p = pr2; q= ps2;}
-        z = one/(x*x);
-        r = p[0]+z*(p[1]+z*(p[2]+z*(p[3]+z*(p[4]+z*p[5]))));
-        s = one+z*(q[0]+z*(q[1]+z*(q[2]+z*(q[3]+z*q[4]))));
-        return one+ r/s;
+	if(ix>=0x41000000)     {p = pr8; q= ps8;}
+	else if(ix>=0x40f71c58){p = pr5; q= ps5;}
+	else if(ix>=0x4036db68){p = pr3; q= ps3;}
+	else if(ix>=0x40000000){p = pr2; q= ps2;}
+	z = one/(x*x);
+	r = p[0]+z*(p[1]+z*(p[2]+z*(p[3]+z*(p[4]+z*p[5]))));
+	s = one+z*(q[0]+z*(q[1]+z*(q[2]+z*(q[3]+z*q[4]))));
+	return one+ r/s;
 }
 
 
 /* For x >= 8, the asymptotic expansions of qone is
  *	3/8 s - 105/1024 s^3 - ..., where s = 1/x.
  * We approximate pone by
- * 	qone(x) = s*(0.375 + (R/S))
+ *	qone(x) = s*(0.375 + (R/S))
  * where  R = qr1*s^2 + qr2*s^4 + ... + qr5*s^10
- * 	  S = 1 + qs1*s^2 + ... + qs6*s^12
+ *	  S = 1 + qs1*s^2 + ... + qs6*s^12
  * and
  *	| qone(x)/s -0.375-R/S | <= 2  ** ( -61.13)
  */
 
-#ifdef __STDC__
 static const float qr8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
-#else
-static float qr8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
-#endif
   0.0000000000e+00, /* 0x00000000 */
  -1.0253906250e-01, /* 0xbdd20000 */
  -1.6271753311e+01, /* 0xc1822c8d */
@@ -327,11 +254,7 @@ static float qr8[6] = { /* for x in [inf, 8]=1/[0,0.125] */
  -1.1849806641e+04, /* 0xc639273a */
  -4.8438511719e+04, /* 0xc73d3683 */
 };
-#ifdef __STDC__
 static const float qs8[6] = {
-#else
-static float qs8[6] = {
-#endif
   1.6139537048e+02, /* 0x43216537 */
   7.8253862305e+03, /* 0x45f48b17 */
   1.3387534375e+05, /* 0x4802bcd6 */
@@ -340,11 +263,7 @@ static float qs8[6] = {
  -2.9449025000e+05, /* 0xc88fcb48 */
 };
 
-#ifdef __STDC__
 static const float qr5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
-#else
-static float qr5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
-#endif
  -2.0897993405e-11, /* 0xadb7d219 */
  -1.0253904760e-01, /* 0xbdd1fffe */
  -8.0564479828e+00, /* 0xc100e736 */
@@ -352,11 +271,7 @@ static float qr5[6] = { /* for x in [8,4.5454]=1/[0.125,0.22001] */
  -1.3731937256e+03, /* 0xc4aba633 */
  -2.6124443359e+03, /* 0xc523471c */
 };
-#ifdef __STDC__
 static const float qs5[6] = {
-#else
-static float qs5[6] = {
-#endif
   8.1276550293e+01, /* 0x42a28d98 */
   1.9917987061e+03, /* 0x44f8f98f */
   1.7468484375e+04, /* 0x468878f8 */
@@ -365,11 +280,7 @@ static float qs5[6] = {
  -4.7191835938e+03, /* 0xc5937978 */
 };
 
-#ifdef __STDC__
 static const float qr3[6] = {
-#else
-static float qr3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
-#endif
  -5.0783124372e-09, /* 0xb1ae7d4f */
  -1.0253783315e-01, /* 0xbdd1ff5b */
  -4.6101160049e+00, /* 0xc0938612 */
@@ -377,11 +288,7 @@ static float qr3[6] = {/* for x in [4.547,2.8571]=1/[0.2199,0.35001] */
  -2.2824453735e+02, /* 0xc3643e9a */
  -2.1921012878e+02, /* 0xc35b35cb */
 };
-#ifdef __STDC__
 static const float qs3[6] = {
-#else
-static float qs3[6] = {
-#endif
   4.7665153503e+01, /* 0x423ea91e */
   6.7386511230e+02, /* 0x4428775e */
   3.3801528320e+03, /* 0x45534272 */
@@ -390,11 +297,7 @@ static float qs3[6] = {
  -1.3520118713e+02, /* 0xc3073381 */
 };
 
-#ifdef __STDC__
 static const float qr2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
-#else
-static float qr2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
-#endif
  -1.7838172539e-07, /* 0xb43f8932 */
  -1.0251704603e-01, /* 0xbdd1f475 */
  -2.7522056103e+00, /* 0xc0302423 */
@@ -402,11 +305,7 @@ static float qr2[6] = {/* for x in [2.8570,2]=1/[0.3499,0.5] */
  -4.2325313568e+01, /* 0xc2294d1f */
  -2.1371921539e+01, /* 0xc1aaf9b2 */
 };
-#ifdef __STDC__
 static const float qs2[6] = {
-#else
-static float qs2[6] = {
-#endif
   2.9533363342e+01, /* 0x41ec4454 */
   2.5298155212e+02, /* 0x437cfb47 */
   7.5750280762e+02, /* 0x443d602e */
@@ -415,18 +314,10 @@ static float qs2[6] = {
  -4.9594988823e+00, /* 0xc09eb437 */
 };
 
-#ifdef __STDC__
-	static float qonef(float x)
-#else
-	static float qonef(x)
-	float x;
-#endif
+static float
+qonef(float x)
 {
-#ifdef __STDC__
 	const float *p,*q;
-#else
-	float *p,*q;
-#endif
 	float  s,r,z;
 	int32_t ix;
 	GET_FLOAT_WORD(ix,x);
diff --git a/sysdeps/ieee754/flt-32/e_jnf.c b/sysdeps/ieee754/flt-32/e_jnf.c
index dd3d551a39..1e55485b02 100644
--- a/sysdeps/ieee754/flt-32/e_jnf.c
+++ b/sysdeps/ieee754/flt-32/e_jnf.c
@@ -13,33 +13,17 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_jnf.c,v 1.5 1995/05/10 20:45:37 jtc Exp $";
-#endif
-
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const float
-#else
-static float
-#endif
 two   =  2.0000000000e+00, /* 0x40000000 */
 one   =  1.0000000000e+00; /* 0x3F800000 */
 
-#ifdef __STDC__
 static const float zero  =  0.0000000000e+00;
-#else
-static float zero  =  0.0000000000e+00;
-#endif
 
-#ifdef __STDC__
-	float __ieee754_jnf(int n, float x)
-#else
-	float __ieee754_jnf(n,x)
-	int n; float x;
-#endif
+float
+__ieee754_jnf(int n, float x)
 {
 	int32_t i,hx,ix, sgn;
 	float a, b, temp, di;
@@ -51,7 +35,7 @@ static float zero  =  0.0000000000e+00;
 	GET_FLOAT_WORD(hx,x);
 	ix = 0x7fffffff&hx;
     /* if J(n,NaN) is NaN */
-	if(ix>0x7f800000) return x+x;
+	if(__builtin_expect(ix>0x7f800000, 0)) return x+x;
 	if(n<0){
 		n = -n;
 		x = -x;
@@ -61,7 +45,7 @@ static float zero  =  0.0000000000e+00;
 	if(n==1) return(__ieee754_j1f(x));
 	sgn = (n&1)&(hx>>31);	/* even n -- 0, odd n -- sign(x) */
 	x = fabsf(x);
-	if(ix==0||ix>=0x7f800000)	/* if x is 0 or inf */
+	if(__builtin_expect(ix==0||ix>=0x7f800000, 0))	/* if x is 0 or inf */
 	    b = zero;
 	else if((float)n<=x) {
 		/* Safe to use J(n+1,x)=2n/x *J(n,x)-J(n-1,x) */
@@ -106,7 +90,7 @@ static float zero  =  0.0000000000e+00;
 		 *		       1
 		 *	   w - -----------------
 		 *			  1
-		 *	        w+h - ---------
+		 *		w+h - ---------
 		 *		       w+2h - ...
 		 *
 		 * To determine how many terms needed, let
@@ -144,18 +128,18 @@ static float zero  =  0.0000000000e+00;
 		tmp = tmp*__ieee754_logf(fabsf(v*tmp));
 		if(tmp<(float)8.8721679688e+01) {
 		    for(i=n-1,di=(float)(i+i);i>0;i--){
-		        temp = b;
+			temp = b;
 			b *= di;
 			b  = b/x - a;
-		        a = temp;
+			a = temp;
 			di -= two;
 		    }
 		} else {
 		    for(i=n-1,di=(float)(i+i);i>0;i--){
-		        temp = b;
+			temp = b;
 			b *= di;
 			b  = b/x - a;
-		        a = temp;
+			a = temp;
 			di -= two;
 		    /* scale b to avoid spurious overflow */
 			if(b>(float)1e10) {
@@ -179,13 +163,10 @@ static float zero  =  0.0000000000e+00;
 	}
 	if(sgn==1) return -b; else return b;
 }
+strong_alias (__ieee754_jnf, __jnf_finite)
 
-#ifdef __STDC__
-	float __ieee754_ynf(int n, float x)
-#else
-	float __ieee754_ynf(n,x)
-	int n; float x;
-#endif
+float
+__ieee754_ynf(int n, float x)
 {
 	int32_t i,hx,ix;
 	u_int32_t ib;
@@ -195,9 +176,10 @@ static float zero  =  0.0000000000e+00;
 	GET_FLOAT_WORD(hx,x);
 	ix = 0x7fffffff&hx;
     /* if Y(n,NaN) is NaN */
-	if(ix>0x7f800000) return x+x;
-	if(ix==0) return -HUGE_VALF+x;  /* -inf and overflow exception.  */
-	if(hx<0) return zero/(zero*x);
+	if(__builtin_expect(ix>0x7f800000, 0)) return x+x;
+	if(__builtin_expect(ix==0, 0))
+		return -HUGE_VALF+x;  /* -inf and overflow exception.  */
+	if(__builtin_expect(hx<0, 0)) return zero/(zero*x);
 	sign = 1;
 	if(n<0){
 		n = -n;
@@ -205,7 +187,7 @@ static float zero  =  0.0000000000e+00;
 	}
 	if(n==0) return(__ieee754_y0f(x));
 	if(n==1) return(sign*__ieee754_y1f(x));
-	if(ix==0x7f800000) return zero;
+	if(__builtin_expect(ix==0x7f800000, 0)) return zero;
 
 	a = __ieee754_y0f(x);
 	b = __ieee754_y1f(x);
@@ -219,3 +201,4 @@ static float zero  =  0.0000000000e+00;
 	}
 	if(sign>0) return b; else return -b;
 }
+strong_alias (__ieee754_ynf, __ynf_finite)
diff --git a/sysdeps/ieee754/flt-32/e_lgammaf_r.c b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
index 0ed2610085..cbee9db8fb 100644
--- a/sysdeps/ieee754/flt-32/e_lgammaf_r.c
+++ b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
@@ -13,18 +13,10 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_lgammaf_r.c,v 1.3 1995/05/10 20:45:47 jtc Exp $";
-#endif
-
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const float
-#else
-static float
-#endif
 two23=  8.3886080000e+06, /* 0x4b000000 */
 half=  5.0000000000e-01, /* 0x3f000000 */
 one =  1.0000000000e+00, /* 0x3f800000 */
@@ -92,18 +84,10 @@ w4  = -5.9518753551e-04, /* 0xba1c065c */
 w5  =  8.3633989561e-04, /* 0x3a5b3dd2 */
 w6  = -1.6309292987e-03; /* 0xbad5c4e8 */
 
-#ifdef __STDC__
 static const float zero=  0.0000000000e+00;
-#else
-static float zero=  0.0000000000e+00;
-#endif
 
-#ifdef __STDC__
-	static float sin_pif(float x)
-#else
-	static float sin_pif(x)
-	float x;
-#endif
+static float
+sin_pif(float x)
 {
 	float y,z;
 	int n,ix;
@@ -124,16 +108,16 @@ static float zero=  0.0000000000e+00;
 	    y   = (float)2.0*(y - __floorf(y));	/* y = |x| mod 2.0 */
 	    n   = (int) (y*(float)4.0);
 	} else {
-            if(ix>=0x4b800000) {
-                y = zero; n = 0;                 /* y must be even */
-            } else {
-                if(ix<0x4b000000) z = y+two23;	/* exact */
+	    if(ix>=0x4b800000) {
+		y = zero; n = 0;                 /* y must be even */
+	    } else {
+		if(ix<0x4b000000) z = y+two23;	/* exact */
 		GET_FLOAT_WORD(n,z);
 		n &= 1;
-                y  = n;
-                n<<= 2;
-            }
-        }
+		y  = n;
+		n<<= 2;
+	    }
+	}
 	switch (n) {
 	    case 0:   y =  __kernel_sinf(pi*y,zero,0); break;
 	    case 1:
@@ -148,12 +132,8 @@ static float zero=  0.0000000000e+00;
 }
 
 
-#ifdef __STDC__
-	float __ieee754_lgammaf_r(float x, int *signgamp)
-#else
-	float __ieee754_lgammaf_r(x,signgamp)
-	float x; int *signgamp;
-#endif
+float
+__ieee754_lgammaf_r(float x, int *signgamp)
 {
 	float t,y,z,nadj,p,p1,p2,p3,q,r,w;
 	int i,hx,ix;
@@ -163,21 +143,22 @@ static float zero=  0.0000000000e+00;
     /* purge off +-inf, NaN, +-0, and negative arguments */
 	*signgamp = 1;
 	ix = hx&0x7fffffff;
-	if(ix>=0x7f800000) return x*x;
-	if(ix==0)
+	if(__builtin_expect(ix>=0x7f800000, 0)) return x*x;
+	if(__builtin_expect(ix==0, 0))
 	  {
 	    if (hx < 0)
 	      *signgamp = -1;
 	    return one/fabsf(x);
 	  }
-	if(ix<0x1c800000) {	/* |x|<2**-70, return -log(|x|) */
+	if(__builtin_expect(ix<0x1c800000, 0)) {
+	    /* |x|<2**-70, return -log(|x|) */
 	    if(hx<0) {
-	        *signgamp = -1;
-	        return -__ieee754_logf(-x);
+		*signgamp = -1;
+		return -__ieee754_logf(-x);
 	    } else return -__ieee754_logf(x);
 	}
 	if(hx<0) {
-	    if(ix>=0x4b000000) 	/* |x|>=2**23, must be -integer */
+	    if(ix>=0x4b000000)	/* |x|>=2**23, must be -integer */
 		return x/zero;
 	    t = sin_pif(x);
 	    if(t==zero) return one/fabsf(t); /* -integer */
@@ -190,15 +171,15 @@ static float zero=  0.0000000000e+00;
 	if (ix==0x3f800000||ix==0x40000000) r = 0;
     /* for x < 2.0 */
 	else if(ix<0x40000000) {
-	    if(ix<=0x3f666666) { 	/* lgamma(x) = lgamma(x+1)-log(x) */
+	    if(ix<=0x3f666666) {	/* lgamma(x) = lgamma(x+1)-log(x) */
 		r = -__ieee754_logf(x);
 		if(ix>=0x3f3b4a20) {y = one-x; i= 0;}
 		else if(ix>=0x3e6d3308) {y= x-(tc-one); i=1;}
-	  	else {y = x; i=2;}
+		else {y = x; i=2;}
 	    } else {
-	  	r = zero;
-	        if(ix>=0x3fdda618) {y=(float)2.0-x;i=0;} /* [1.7316,2] */
-	        else if(ix>=0x3F9da620) {y=x-tc;i=1;} /* [1.23,1.73] */
+		r = zero;
+		if(ix>=0x3fdda618) {y=(float)2.0-x;i=0;} /* [1.7316,2] */
+		else if(ix>=0x3F9da620) {y=x-tc;i=1;} /* [1.23,1.73] */
 		else {y=x-one;i=2;}
 	    }
 	    switch(i) {
@@ -222,7 +203,7 @@ static float zero=  0.0000000000e+00;
 		r += (-(float)0.5*y + p1/p2);
 	    }
 	}
-	else if(ix<0x41000000) { 			/* x < 8.0 */
+	else if(ix<0x41000000) {			/* x < 8.0 */
 	    i = (int)x;
 	    t = zero;
 	    y = x-(float)i;
@@ -251,3 +232,4 @@ static float zero=  0.0000000000e+00;
 	if(hx<0) r = nadj - r;
 	return r;
 }
+strong_alias (__ieee754_lgammaf_r, __lgammaf_r_finite)
diff --git a/sysdeps/ieee754/flt-32/e_log10f.c b/sysdeps/ieee754/flt-32/e_log10f.c
index cea3d9156b..72dcea6250 100644
--- a/sysdeps/ieee754/flt-32/e_log10f.c
+++ b/sysdeps/ieee754/flt-32/e_log10f.c
@@ -13,55 +13,41 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_log10f.c,v 1.5 1995/05/10 20:45:53 jtc Exp $";
-#endif
-
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const float
-#else
-static float
-#endif
 two25      =  3.3554432000e+07, /* 0x4c000000 */
 ivln10     =  4.3429449201e-01, /* 0x3ede5bd9 */
 log10_2hi  =  3.0102920532e-01, /* 0x3e9a2080 */
 log10_2lo  =  7.9034151668e-07; /* 0x355427db */
 
-#ifdef __STDC__
 static const float zero   =  0.0;
-#else
-static float zero   =  0.0;
-#endif
 
-#ifdef __STDC__
-	float __ieee754_log10f(float x)
-#else
-	float __ieee754_log10f(x)
-	float x;
-#endif
+float
+__ieee754_log10f(float x)
 {
 	float y,z;
 	int32_t i,k,hx;
 
 	GET_FLOAT_WORD(hx,x);
 
-        k=0;
-        if (hx < 0x00800000) {			/* x < 2**-126  */
-            if ((hx&0x7fffffff)==0)
-                return -two25/(x-x);		/* log(+-0)=-inf */
-            if (hx<0) return (x-x)/(x-x);	/* log(-#) = NaN */
-            k -= 25; x *= two25; /* subnormal number, scale up x */
+	k=0;
+	if (hx < 0x00800000) {			/* x < 2**-126  */
+	    if (__builtin_expect((hx&0x7fffffff)==0, 0))
+		return -two25/(x-x);		/* log(+-0)=-inf */
+	    if (__builtin_expect(hx<0, 0))
+		return (x-x)/(x-x);	/* log(-#) = NaN */
+	    k -= 25; x *= two25; /* subnormal number, scale up x */
 	    GET_FLOAT_WORD(hx,x);
-        }
-	if (hx >= 0x7f800000) return x+x;
+	}
+	if (__builtin_expect(hx >= 0x7f800000, 0)) return x+x;
 	k += (hx>>23)-127;
 	i  = ((u_int32_t)k&0x80000000)>>31;
-        hx = (hx&0x007fffff)|((0x7f-i)<<23);
-        y  = (float)(k+i);
+	hx = (hx&0x007fffff)|((0x7f-i)<<23);
+	y  = (float)(k+i);
 	SET_FLOAT_WORD(x,hx);
 	z  = y*log10_2lo + ivln10*__ieee754_logf(x);
 	return  z+y*log10_2hi;
 }
+strong_alias (__ieee754_log10f, __log10f_finite)
diff --git a/sysdeps/ieee754/flt-32/e_log2f.c b/sysdeps/ieee754/flt-32/e_log2f.c
index af3c6eadfe..7453214516 100644
--- a/sysdeps/ieee754/flt-32/e_log2f.c
+++ b/sysdeps/ieee754/flt-32/e_log2f.c
@@ -18,11 +18,7 @@
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const float
-#else
-static float
-#endif
 ln2 = 0.69314718055994530942,
 two25 =    3.355443200e+07,	/* 0x4c000000 */
 Lg1 = 6.6666668653e-01,	/* 3F2AAAAB */
@@ -33,18 +29,10 @@ Lg5 = 1.8183572590e-01, /* 3E3A3325 */
 Lg6 = 1.5313838422e-01, /* 3E1CD04F */
 Lg7 = 1.4798198640e-01; /* 3E178897 */
 
-#ifdef __STDC__
 static const float zero   =  0.0;
-#else
-static float zero   =  0.0;
-#endif
 
-#ifdef __STDC__
-	float __ieee754_log2f(float x)
-#else
-	float __ieee754_log2f(x)
-	float x;
-#endif
+float
+__ieee754_log2f(float x)
 {
 	float hfsq,f,s,z,R,w,t1,t2,dk;
 	int32_t k,ix,i,j;
@@ -53,13 +41,14 @@ static float zero   =  0.0;
 
 	k=0;
 	if (ix < 0x00800000) {			/* x < 2**-126  */
-	    if ((ix&0x7fffffff)==0)
+	    if (__builtin_expect((ix&0x7fffffff)==0, 0))
 		return -two25/(x-x);		/* log(+-0)=-inf */
-	    if (ix<0) return (x-x)/(x-x);	/* log(-#) = NaN */
+	    if (__builtin_expect(ix<0, 0))
+		return (x-x)/(x-x);	/* log(-#) = NaN */
 	    k -= 25; x *= two25; /* subnormal number, scale up x */
 	    GET_FLOAT_WORD(ix,x);
 	}
-	if (ix >= 0x7f800000) return x+x;
+	if (__builtin_expect(ix >= 0x7f800000, 0)) return x+x;
 	k += (ix>>23)-127;
 	ix &= 0x007fffff;
 	i = (ix+(0x95f64<<3))&0x800000;
@@ -72,7 +61,7 @@ static float zero   =  0.0;
 	    R = f*f*((float)0.5-(float)0.33333333333333333*f);
 	    return dk-(R-f)/ln2;
 	}
- 	s = f/((float)2.0+f);
+	s = f/((float)2.0+f);
 	z = s*s;
 	i = ix-(0x6147a<<3);
 	w = z*z;
@@ -88,3 +77,4 @@ static float zero   =  0.0;
 	    return dk-((s*(f-R))-f)/ln2;
 	}
 }
+strong_alias (__ieee754_log2f, __log2f_finite)
diff --git a/sysdeps/ieee754/flt-32/e_logf.c b/sysdeps/ieee754/flt-32/e_logf.c
index de8f869df4..b870b31957 100644
--- a/sysdeps/ieee754/flt-32/e_logf.c
+++ b/sysdeps/ieee754/flt-32/e_logf.c
@@ -13,18 +13,10 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_logf.c,v 1.4 1995/05/10 20:45:54 jtc Exp $";
-#endif
-
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const float
-#else
-static float
-#endif
 ln2_hi =   6.9313812256e-01,	/* 0x3f317180 */
 ln2_lo =   9.0580006145e-06,	/* 0x3717f7d1 */
 two25 =    3.355443200e+07,	/* 0x4c000000 */
@@ -36,18 +28,10 @@ Lg5 = 1.8183572590e-01, /* 3E3A3325 */
 Lg6 = 1.5313838422e-01, /* 3E1CD04F */
 Lg7 = 1.4798198640e-01; /* 3E178897 */
 
-#ifdef __STDC__
 static const float zero   =  0.0;
-#else
-static float zero   =  0.0;
-#endif
 
-#ifdef __STDC__
-	float __ieee754_logf(float x)
-#else
-	float __ieee754_logf(x)
-	float x;
-#endif
+float
+__ieee754_logf(float x)
 {
 	float hfsq,f,s,z,R,w,t1,t2,dk;
 	int32_t k,ix,i,j;
@@ -56,13 +40,14 @@ static float zero   =  0.0;
 
 	k=0;
 	if (ix < 0x00800000) {			/* x < 2**-126  */
-	    if ((ix&0x7fffffff)==0)
+	    if (__builtin_expect((ix&0x7fffffff)==0, 0))
 		return -two25/(x-x);		/* log(+-0)=-inf */
-	    if (ix<0) return (x-x)/(x-x);	/* log(-#) = NaN */
+	    if (__builtin_expect(ix<0, 0))
+		return (x-x)/(x-x);	/* log(-#) = NaN */
 	    k -= 25; x *= two25; /* subnormal number, scale up x */
 	    GET_FLOAT_WORD(ix,x);
 	}
-	if (ix >= 0x7f800000) return x+x;
+	if (__builtin_expect(ix >= 0x7f800000, 0)) return x+x;
 	k += (ix>>23)-127;
 	ix &= 0x007fffff;
 	i = (ix+(0x95f64<<3))&0x800000;
@@ -76,9 +61,9 @@ static float zero   =  0.0;
 	    }
 	    R = f*f*((float)0.5-(float)0.33333333333333333*f);
 	    if(k==0) return f-R; else {dk=(float)k;
-	    	     return dk*ln2_hi-((R-dk*ln2_lo)-f);}
+		     return dk*ln2_hi-((R-dk*ln2_lo)-f);}
 	}
- 	s = f/((float)2.0+f);
+	s = f/((float)2.0+f);
 	dk = (float)k;
 	z = s*s;
 	i = ix-(0x6147a<<3);
@@ -97,3 +82,4 @@ static float zero   =  0.0;
 		     return dk*ln2_hi-((s*(f-R)-dk*ln2_lo)-f);
 	}
 }
+strong_alias (__ieee754_logf, __logf_finite)
diff --git a/sysdeps/ieee754/flt-32/e_powf.c b/sysdeps/ieee754/flt-32/e_powf.c
index 9f520804a4..460055204f 100644
--- a/sysdeps/ieee754/flt-32/e_powf.c
+++ b/sysdeps/ieee754/flt-32/e_powf.c
@@ -13,20 +13,12 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_powf.c,v 1.7 1996/04/08 15:43:44 phil Exp $";
-#endif
-
 #include "math.h"
 #include "math_private.h"
 
 static const float huge = 1.0e+30, tiny = 1.0e-30;
 
-#ifdef __STDC__
 static const float
-#else
-static float
-#endif
 bp[] = {1.0, 1.5,},
 dp_h[] = { 0.0, 5.84960938e-01,}, /* 0x3f15c000 */
 dp_l[] = { 0.0, 1.56322085e-06,}, /* 0x35d1cfdc */
@@ -57,12 +49,8 @@ ivln2    =  1.4426950216e+00, /* 0x3fb8aa3b =1/ln2 */
 ivln2_h  =  1.4426879883e+00, /* 0x3fb8aa00 =16b 1/ln2*/
 ivln2_l  =  7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/
 
-#ifdef __STDC__
-	float __ieee754_powf(float x, float y)
-#else
-	float __ieee754_powf(x,y)
-	float x, y;
-#endif
+float
+__ieee754_powf(float x, float y)
 {
 	float z,ax,z_h,z_l,p_h,p_l;
 	float y1,t1,t2,r,s,t,u,v,w;
@@ -81,8 +69,8 @@ ivln2_l  =  7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/
 	if(x == -1.0 && isinf(y)) return one;
 
     /* +-NaN return x+y */
-	if(ix > 0x7f800000 ||
-	   iy > 0x7f800000)
+	if(__builtin_expect(ix > 0x7f800000 ||
+			    iy > 0x7f800000, 0))
 		return x+y;
 
     /* determine if y is an odd int when x < 0
@@ -101,26 +89,26 @@ ivln2_l  =  7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/
 	}
 
     /* special value of y */
-	if (iy==0x7f800000) {	/* y is +-inf */
+	if (__builtin_expect(iy==0x7f800000, 0)) {	/* y is +-inf */
 	    if (ix==0x3f800000)
-	        return  y - y;	/* inf**+-1 is NaN */
+		return  y - y;	/* inf**+-1 is NaN */
 	    else if (ix > 0x3f800000)/* (|x|>1)**+-inf = inf,0 */
-	        return (hy>=0)? y: zero;
+		return (hy>=0)? y: zero;
 	    else			/* (|x|<1)**-,+inf = inf,0 */
-	        return (hy<0)?-y: zero;
+		return (hy<0)?-y: zero;
 	}
 	if(iy==0x3f800000) {	/* y is  +-1 */
 	    if(hy<0) return one/x; else return x;
 	}
 	if(hy==0x40000000) return x*x; /* y is  2 */
 	if(hy==0x3f000000) {	/* y is  0.5 */
-	    if(hx>=0)	/* x >= +0 */
+	    if(__builtin_expect(hx>=0, 1))	/* x >= +0 */
 	    return __ieee754_sqrtf(x);
 	}
 
 	ax   = fabsf(x);
     /* special value of x */
-	if(ix==0x7f800000||ix==0||ix==0x3f800000){
+	if(__builtin_expect(ix==0x7f800000||ix==0||ix==0x3f800000, 0)){
 	    z = ax;			/*x is +-0,+-inf,+-1*/
 	    if(hy<0) z = one/z;	/* z = (1/|x|) */
 	    if(hx<0) {
@@ -133,10 +121,11 @@ ivln2_l  =  7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/
 	}
 
     /* (x<0)**(non-int) is NaN */
-	if(((((u_int32_t)hx>>31)-1)|yisint)==0) return (x-x)/(x-x);
+	if(__builtin_expect(((((u_int32_t)hx>>31)-1)|yisint)==0, 0))
+	    return (x-x)/(x-x);
 
     /* |y| is huge */
-	if(iy>0x4d000000) { /* if |y| > 2**27 */
+	if(__builtin_expect(iy>0x4d000000, 0)) { /* if |y| > 2**27 */
 	/* over/underflow if x is not close to one */
 	    if(ix<0x3f7ffff8) return (hy<0)? huge*huge:tiny*tiny;
 	    if(ix>0x3f800007) return (hy>0)? huge*huge:tiny*tiny;
@@ -214,14 +203,14 @@ ivln2_l  =  7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/
 	p_h = y1*t1;
 	z = p_l+p_h;
 	GET_FLOAT_WORD(j,z);
-	if (j>0x43000000)				/* if z > 128 */
+	if (__builtin_expect(j>0x43000000, 0))		/* if z > 128 */
 	    return s*huge*huge;				/* overflow */
-	else if (j==0x43000000) {			/* if z == 128 */
+	else if (__builtin_expect(j==0x43000000, 0)) {	/* if z == 128 */
 	    if(p_l+ovt>z-p_h) return s*huge*huge;	/* overflow */
 	}
-	else if ((j&0x7fffffff)>0x43160000)		/* z <= -150 */
+	else if (__builtin_expect((j&0x7fffffff)>0x43160000, 0))/* z <= -150 */
 	    return s*tiny*tiny;				/* underflow */
-	else if ((u_int32_t) j==0xc3160000){		/* z == -150 */
+	else if (__builtin_expect((u_int32_t) j==0xc3160000, 0)){/* z == -150*/
 	    if(p_l<=z-p_h) return s*tiny*tiny;		/* underflow */
 	}
     /*
@@ -255,3 +244,4 @@ ivln2_l  =  7.0526075433e-06; /* 0x36eca570 =1/ln2 tail*/
 	else SET_FLOAT_WORD(z,j);
 	return s*z;
 }
+strong_alias (__ieee754_powf, __powf_finite)
diff --git a/sysdeps/ieee754/flt-32/e_remainderf.c b/sysdeps/ieee754/flt-32/e_remainderf.c
index 90d0d366d4..aaf15dfe54 100644
--- a/sysdeps/ieee754/flt-32/e_remainderf.c
+++ b/sysdeps/ieee754/flt-32/e_remainderf.c
@@ -8,31 +8,19 @@
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_remainderf.c,v 1.4 1995/05/10 20:46:08 jtc Exp $";
-#endif
-
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const float zero = 0.0;
-#else
-static float zero = 0.0;
-#endif
 
 
-#ifdef __STDC__
-	float __ieee754_remainderf(float x, float p)
-#else
-	float __ieee754_remainderf(x,p)
-	float x,p;
-#endif
+float
+__ieee754_remainderf(float x, float p)
 {
 	int32_t hx,hp;
 	u_int32_t sx;
@@ -45,7 +33,7 @@ static float zero = 0.0;
 	hx &= 0x7fffffff;
 
     /* purge off exception values */
-	if(hp==0) return (x*p)/(x*p);	 	/* p = 0 */
+	if(hp==0) return (x*p)/(x*p);		/* p = 0 */
 	if((hx>=0x7f800000)||			/* x not finite */
 	  ((hp>0x7f800000)))			/* p is NaN */
 	    return (x*p)/(x*p);
@@ -71,3 +59,4 @@ static float zero = 0.0;
 	SET_FLOAT_WORD(x,hx^sx);
 	return x;
 }
+strong_alias (__ieee754_remainderf, __remainderf_finite)
diff --git a/sysdeps/ieee754/flt-32/e_sinhf.c b/sysdeps/ieee754/flt-32/e_sinhf.c
index 045f6f121e..5813963488 100644
--- a/sysdeps/ieee754/flt-32/e_sinhf.c
+++ b/sysdeps/ieee754/flt-32/e_sinhf.c
@@ -8,31 +8,19 @@
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_sinhf.c,v 1.4 1995/05/10 20:46:15 jtc Exp $";
-#endif
-
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const float one = 1.0, shuge = 1.0e37;
-#else
-static float one = 1.0, shuge = 1.0e37;
-#endif
 
-#ifdef __STDC__
-	float __ieee754_sinhf(float x)
-#else
-	float __ieee754_sinhf(x)
-	float x;
-#endif
-{	
+float
+__ieee754_sinhf(float x)
+{
 	float t,w,h;
 	int32_t ix,jx;
 
@@ -40,13 +28,13 @@ static float one = 1.0, shuge = 1.0e37;
 	ix = jx&0x7fffffff;
 
     /* x is INF or NaN */
-	if(ix>=0x7f800000) return x+x;	
+	if(__builtin_expect(ix>=0x7f800000, 0)) return x+x;
 
 	h = 0.5;
 	if (jx<0) h = -h;
     /* |x| in [0,22], return sign(x)*0.5*(E+E/(E+1))) */
 	if (ix < 0x41b00000) {		/* |x|<22 */
-	    if (ix<0x31800000) 		/* |x|<2**-28 */
+	    if (__builtin_expect(ix<0x31800000, 0))	/* |x|<2**-28 */
 		if(shuge+x>one) return x;/* sinh(tiny) = tiny with inexact */
 	    t = __expm1f(fabsf(x));
 	    if(ix<0x3f800000) return h*((float)2.0*t-t*t/(t+one));
@@ -66,3 +54,4 @@ static float one = 1.0, shuge = 1.0e37;
     /* |x| > overflowthresold, sinh(x) overflow */
 	return x*shuge;
 }
+strong_alias (__ieee754_sinhf, __sinhf_finite)
diff --git a/sysdeps/ieee754/flt-32/e_sqrtf.c b/sysdeps/ieee754/flt-32/e_sqrtf.c
index 7648ef4bca..6d6688c52c 100644
--- a/sysdeps/ieee754/flt-32/e_sqrtf.c
+++ b/sysdeps/ieee754/flt-32/e_sqrtf.c
@@ -8,43 +8,31 @@
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_sqrtf.c,v 1.4 1995/05/10 20:46:19 jtc Exp $";
-#endif
-
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static	const float	one	= 1.0, tiny=1.0e-30;
-#else
-static	float	one	= 1.0, tiny=1.0e-30;
-#endif
 
-#ifdef __STDC__
-	float __ieee754_sqrtf(float x)
-#else
-	float __ieee754_sqrtf(x)
-	float x;
-#endif
+float
+__ieee754_sqrtf(float x)
 {
 	float z;
-	int32_t sign = (int)0x80000000; 
+	int32_t sign = (int)0x80000000;
 	int32_t ix,s,q,m,t,i;
 	u_int32_t r;
 
 	GET_FLOAT_WORD(ix,x);
 
     /* take care of Inf and NaN */
-	if((ix&0x7f800000)==0x7f800000) {			
+	if((ix&0x7f800000)==0x7f800000) {
 	    return x*x+x;		/* sqrt(NaN)=NaN, sqrt(+inf)=+inf
 					   sqrt(-inf)=sNaN */
-	} 
+	}
     /* take care of zero */
 	if(ix<=0) {
 	    if((ix&(~sign))==0) return x;/* sqrt(+-0) = +-0 */
@@ -69,12 +57,12 @@ static	float	one	= 1.0, tiny=1.0e-30;
 	r = 0x01000000;		/* r = moving bit from right to left */
 
 	while(r!=0) {
-	    t = s+r; 
-	    if(t<=ix) { 
-		s    = t+r; 
-		ix  -= t; 
-		q   += r; 
-	    } 
+	    t = s+r;
+	    if(t<=ix) {
+		s    = t+r;
+		ix  -= t;
+		q   += r;
+	    }
 	    ix += ix;
 	    r>>=1;
 	}
@@ -83,7 +71,7 @@ static	float	one	= 1.0, tiny=1.0e-30;
 	if(ix!=0) {
 	    z = one-tiny; /* trigger inexact flag */
 	    if (z>=one) {
-	        z = one+tiny;
+		z = one+tiny;
 		if (z>one)
 		    q += 2;
 		else
@@ -95,3 +83,4 @@ static	float	one	= 1.0, tiny=1.0e-30;
 	SET_FLOAT_WORD(z,ix);
 	return z;
 }
+strong_alias (__ieee754_sqrtf, __sqrtf_finite)
diff --git a/sysdeps/ieee754/flt-32/s_asinhf.c b/sysdeps/ieee754/flt-32/s_asinhf.c
index fac256d37a..aa46f90004 100644
--- a/sysdeps/ieee754/flt-32/s_asinhf.c
+++ b/sysdeps/ieee754/flt-32/s_asinhf.c
@@ -13,46 +13,36 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: s_asinhf.c,v 1.5 1995/05/12 04:57:39 jtc Exp $";
-#endif
-
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const float
-#else
-static float
-#endif
 one =  1.0000000000e+00, /* 0x3F800000 */
 ln2 =  6.9314718246e-01, /* 0x3f317218 */
 huge=  1.0000000000e+30;
 
-#ifdef __STDC__
-	float __asinhf(float x)
-#else
-	float __asinhf(x)
-	float x;
-#endif
+float
+__asinhf(float x)
 {
-	float t,w;
+	float w;
 	int32_t hx,ix;
 	GET_FLOAT_WORD(hx,x);
 	ix = hx&0x7fffffff;
-	if(ix>=0x7f800000) return x+x;	/* x is inf or NaN */
-	if(ix< 0x38000000) {	/* |x|<2**-14 */
+	if(__builtin_expect(ix< 0x38000000, 0)) {	/* |x|<2**-14 */
 	    if(huge+x>one) return x;	/* return x inexact except 0 */
 	}
-	if(ix>0x47000000) {	/* |x| > 2**14 */
+	if(__builtin_expect(ix>0x47000000, 0)) {	/* |x| > 2**14 */
+	    if(ix>=0x7f800000) return x+x;	/* x is inf or NaN */
 	    w = __ieee754_logf(fabsf(x))+ln2;
-	} else if (ix>0x40000000) {	/* 2**14 > |x| > 2.0 */
-	    t = fabsf(x);
-	    w = __ieee754_logf((float)2.0*t+one/(__ieee754_sqrtf(x*x+one)+t));
-	} else {		/* 2.0 > |x| > 2**-14 */
-	    t = x*x;
-	    w =__log1pf(fabsf(x)+t/(one+__ieee754_sqrtf(one+t)));
+	} else {
+	    float xa = fabsf(x);
+	    if (ix>0x40000000) {	/* 2**14 > |x| > 2.0 */
+		w = __ieee754_logf(2.0f*xa+one/(__ieee754_sqrtf(xa*xa+one)+xa));
+	    } else {		/* 2.0 > |x| > 2**-14 */
+		float t = xa*xa;
+		w =__log1pf(xa+t/(one+__ieee754_sqrtf(one+t)));
+	    }
 	}
-	if(hx>0) return w; else return -w;
+	return __copysignf(w, x);
 }
 weak_alias (__asinhf, asinhf)
diff --git a/sysdeps/ieee754/k_standard.c b/sysdeps/ieee754/k_standard.c
index ede5157454..229c4981dc 100644
--- a/sysdeps/ieee754/k_standard.c
+++ b/sysdeps/ieee754/k_standard.c
@@ -94,12 +94,8 @@ static double zero = 0.0;	/* used as const */
  */
 
 
-#ifdef __STDC__
-	double __kernel_standard(double x, double y, int type)
-#else
-	double __kernel_standard(x,y,type)
-	double x,y; int type;
-#endif
+double
+__kernel_standard(double x, double y, int type)
 {
 	struct exception exc;
 #ifndef HUGE_VAL	/* this is the only routine that uses HUGE_VAL */
@@ -150,7 +146,7 @@ static double zero = 0.0;	/* used as const */
 		  __set_errno (EDOM);
 		else if (!matherr(&exc)) {
 		  if(_LIB_VERSION == _SVID_) {
-		    	(void) WRITE2("asin: DOMAIN error\n", 19);
+			(void) WRITE2("asin: DOMAIN error\n", 19);
 		  }
 		  __set_errno (EDOM);
 		}
@@ -361,14 +357,14 @@ static double zero = 0.0;	/* used as const */
 		exc.type = OVERFLOW;
 		exc.name = type < 100 ? "lgamma" : (type < 200
 						    ? "lgammaf" : "lgammal");
-                if (_LIB_VERSION == _SVID_)
-                  exc.retval = HUGE;
-                else
-                  exc.retval = HUGE_VAL;
-                if (_LIB_VERSION == _POSIX_)
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = HUGE;
+		else
+		  exc.retval = HUGE_VAL;
+		if (_LIB_VERSION == _POSIX_)
+			__set_errno (ERANGE);
+		else if (!matherr(&exc)) {
 			__set_errno (ERANGE);
-                else if (!matherr(&exc)) {
-                        __set_errno (ERANGE);
 		}
 		break;
 	    case 15:
@@ -378,10 +374,10 @@ static double zero = 0.0;	/* used as const */
 		exc.type = SING;
 		exc.name = type < 100 ? "lgamma" : (type < 200
 						    ? "lgammaf" : "lgammal");
-                if (_LIB_VERSION == _SVID_)
-                  exc.retval = HUGE;
-                else
-                  exc.retval = HUGE_VAL;
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = HUGE;
+		else
+		  exc.retval = HUGE_VAL;
 		if (_LIB_VERSION == _POSIX_)
 		  __set_errno (ERANGE);
 		else if (!matherr(&exc)) {
@@ -611,95 +607,95 @@ static double zero = 0.0;	/* used as const */
 		  __set_errno (EDOM);
 		}
 		break;
-            case 27:
+	    case 27:
 	    case 127:
 	    case 227:
-                /* fmod(x,0) */
-                exc.type = DOMAIN;
-                exc.name = type < 100 ? "fmod" : (type < 200
+		/* fmod(x,0) */
+		exc.type = DOMAIN;
+		exc.name = type < 100 ? "fmod" : (type < 200
 						  ? "fmodf" : "fmodl");
-                if (_LIB_VERSION == _SVID_)
-                    exc.retval = x;
+		if (_LIB_VERSION == _SVID_)
+		    exc.retval = x;
 		else
 		    exc.retval = zero/zero;
-                if (_LIB_VERSION == _POSIX_)
-                  __set_errno (EDOM);
-                else if (!matherr(&exc)) {
-                  if (_LIB_VERSION == _SVID_) {
-                    (void) WRITE2("fmod:  DOMAIN error\n", 20);
-                  }
-                  __set_errno (EDOM);
-                }
-                break;
-            case 28:
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+		    (void) WRITE2("fmod:  DOMAIN error\n", 20);
+		  }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 28:
 	    case 128:
 	    case 228:
-                /* remainder(x,0) */
-                exc.type = DOMAIN;
-                exc.name = type < 100 ? "remainder" : (type < 200
+		/* remainder(x,0) */
+		exc.type = DOMAIN;
+		exc.name = type < 100 ? "remainder" : (type < 200
 						       ? "remainderf"
 						       : "remainderl");
-                exc.retval = zero/zero;
-                if (_LIB_VERSION == _POSIX_)
-                  __set_errno (EDOM);
-                else if (!matherr(&exc)) {
-                  if (_LIB_VERSION == _SVID_) {
-                    (void) WRITE2("remainder: DOMAIN error\n", 24);
-                  }
-                  __set_errno (EDOM);
-                }
-                break;
-            case 29:
+		exc.retval = zero/zero;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+		    (void) WRITE2("remainder: DOMAIN error\n", 24);
+		  }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 29:
 	    case 129:
 	    case 229:
-                /* acosh(x<1) */
-                exc.type = DOMAIN;
-                exc.name = type < 100 ? "acosh" : (type < 200
+		/* acosh(x<1) */
+		exc.type = DOMAIN;
+		exc.name = type < 100 ? "acosh" : (type < 200
 						   ? "acoshf" : "acoshl");
-                exc.retval = zero/zero;
-                if (_LIB_VERSION == _POSIX_)
-                  __set_errno (EDOM);
-                else if (!matherr(&exc)) {
-                  if (_LIB_VERSION == _SVID_) {
-                    (void) WRITE2("acosh: DOMAIN error\n", 20);
-                  }
-                  __set_errno (EDOM);
-                }
-                break;
-            case 30:
+		exc.retval = zero/zero;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+		    (void) WRITE2("acosh: DOMAIN error\n", 20);
+		  }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 30:
 	    case 130:
 	    case 230:
-                /* atanh(|x|>1) */
-                exc.type = DOMAIN;
-                exc.name = type < 100 ? "atanh" : (type < 200
+		/* atanh(|x|>1) */
+		exc.type = DOMAIN;
+		exc.name = type < 100 ? "atanh" : (type < 200
 						   ? "atanhf" : "atanhl");
-                exc.retval = zero/zero;
-                if (_LIB_VERSION == _POSIX_)
-                  __set_errno (EDOM);
-                else if (!matherr(&exc)) {
-                  if (_LIB_VERSION == _SVID_) {
-                    (void) WRITE2("atanh: DOMAIN error\n", 20);
-                  }
-                  __set_errno (EDOM);
-                }
-                break;
-            case 31:
+		exc.retval = zero/zero;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+		    (void) WRITE2("atanh: DOMAIN error\n", 20);
+		  }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 31:
 	    case 131:
 	    case 231:
-                /* atanh(|x|=1) */
-                exc.type = SING;
-                exc.name = type < 100 ? "atanh" : (type < 200
+		/* atanh(|x|=1) */
+		exc.type = SING;
+		exc.name = type < 100 ? "atanh" : (type < 200
 						   ? "atanhf" : "atanhl");
 		exc.retval = x/zero;	/* sign(x)*inf */
-                if (_LIB_VERSION == _POSIX_)
-                  __set_errno (ERANGE);
-                else if (!matherr(&exc)) {
-                  if (_LIB_VERSION == _SVID_) {
-                    (void) WRITE2("atanh: SING error\n", 18);
-                  }
-                  __set_errno (EDOM);
-                }
-                break;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+		    (void) WRITE2("atanh: SING error\n", 18);
+		  }
+		  __set_errno (EDOM);
+		}
+		break;
 	    case 32:
 	    case 132:
 	    case 232:
@@ -732,103 +728,103 @@ static double zero = 0.0;	/* used as const */
 	    case 134:
 	    case 234:
 		/* j0(|x|>X_TLOSS) */
-                exc.type = TLOSS;
-                exc.name = type < 100 ? "j0" : (type < 200 ? "j0f" : "j0l");
-                exc.retval = zero;
-                if (_LIB_VERSION == _POSIX_)
-                        __set_errno (ERANGE);
-                else if (!matherr(&exc)) {
-                        if (_LIB_VERSION == _SVID_) {
-                                (void) WRITE2(exc.name, 2);
-                                (void) WRITE2(": TLOSS error\n", 14);
-                        }
-                        __set_errno (ERANGE);
-                }
+		exc.type = TLOSS;
+		exc.name = type < 100 ? "j0" : (type < 200 ? "j0f" : "j0l");
+		exc.retval = zero;
+		if (_LIB_VERSION == _POSIX_)
+			__set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			if (_LIB_VERSION == _SVID_) {
+				(void) WRITE2(exc.name, 2);
+				(void) WRITE2(": TLOSS error\n", 14);
+			}
+			__set_errno (ERANGE);
+		}
 		break;
 	    case 35:
 	    case 135:
 	    case 235:
 		/* y0(x>X_TLOSS) */
-                exc.type = TLOSS;
-                exc.name = type < 100 ? "y0" : (type < 200 ? "y0f" : "y0l");
-                exc.retval = zero;
-                if (_LIB_VERSION == _POSIX_)
-                        __set_errno (ERANGE);
-                else if (!matherr(&exc)) {
-                        if (_LIB_VERSION == _SVID_) {
-                                (void) WRITE2(exc.name, 2);
-                                (void) WRITE2(": TLOSS error\n", 14);
-                        }
-                        __set_errno (ERANGE);
-                }
+		exc.type = TLOSS;
+		exc.name = type < 100 ? "y0" : (type < 200 ? "y0f" : "y0l");
+		exc.retval = zero;
+		if (_LIB_VERSION == _POSIX_)
+			__set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			if (_LIB_VERSION == _SVID_) {
+				(void) WRITE2(exc.name, 2);
+				(void) WRITE2(": TLOSS error\n", 14);
+			}
+			__set_errno (ERANGE);
+		}
 		break;
 	    case 36:
 	    case 136:
 	    case 236:
 		/* j1(|x|>X_TLOSS) */
-                exc.type = TLOSS;
-                exc.name = type < 100 ? "j1" : (type < 200 ? "j1f" : "j1l");
-                exc.retval = zero;
-                if (_LIB_VERSION == _POSIX_)
-                        __set_errno (ERANGE);
-                else if (!matherr(&exc)) {
-                        if (_LIB_VERSION == _SVID_) {
-                                (void) WRITE2(exc.name, 2);
-                                (void) WRITE2(": TLOSS error\n", 14);
-                        }
-                        __set_errno (ERANGE);
-                }
+		exc.type = TLOSS;
+		exc.name = type < 100 ? "j1" : (type < 200 ? "j1f" : "j1l");
+		exc.retval = zero;
+		if (_LIB_VERSION == _POSIX_)
+			__set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			if (_LIB_VERSION == _SVID_) {
+				(void) WRITE2(exc.name, 2);
+				(void) WRITE2(": TLOSS error\n", 14);
+			}
+			__set_errno (ERANGE);
+		}
 		break;
 	    case 37:
 	    case 137:
 	    case 237:
 		/* y1(x>X_TLOSS) */
-                exc.type = TLOSS;
-                exc.name = type < 100 ? "y1" : (type < 200 ? "y1f" : "y1l");
-                exc.retval = zero;
-                if (_LIB_VERSION == _POSIX_)
-                        __set_errno (ERANGE);
-                else if (!matherr(&exc)) {
-                        if (_LIB_VERSION == _SVID_) {
-                                (void) WRITE2(exc.name, 2);
-                                (void) WRITE2(": TLOSS error\n", 14);
-                        }
-                        __set_errno (ERANGE);
-                }
+		exc.type = TLOSS;
+		exc.name = type < 100 ? "y1" : (type < 200 ? "y1f" : "y1l");
+		exc.retval = zero;
+		if (_LIB_VERSION == _POSIX_)
+			__set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			if (_LIB_VERSION == _SVID_) {
+				(void) WRITE2(exc.name, 2);
+				(void) WRITE2(": TLOSS error\n", 14);
+			}
+			__set_errno (ERANGE);
+		}
 		break;
 	    case 38:
 	    case 138:
 	    case 238:
 		/* jn(|x|>X_TLOSS) */
-                exc.type = TLOSS;
-                exc.name = type < 100 ? "jn" : (type < 200 ? "jnf" : "jnl");
-                exc.retval = zero;
-                if (_LIB_VERSION == _POSIX_)
-                        __set_errno (ERANGE);
-                else if (!matherr(&exc)) {
-                        if (_LIB_VERSION == _SVID_) {
-                                (void) WRITE2(exc.name, 2);
-                                (void) WRITE2(": TLOSS error\n", 14);
-                        }
-                        __set_errno (ERANGE);
-                }
+		exc.type = TLOSS;
+		exc.name = type < 100 ? "jn" : (type < 200 ? "jnf" : "jnl");
+		exc.retval = zero;
+		if (_LIB_VERSION == _POSIX_)
+			__set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			if (_LIB_VERSION == _SVID_) {
+				(void) WRITE2(exc.name, 2);
+				(void) WRITE2(": TLOSS error\n", 14);
+			}
+			__set_errno (ERANGE);
+		}
 		break;
 	    case 39:
 	    case 139:
 	    case 239:
 		/* yn(x>X_TLOSS) */
-                exc.type = TLOSS;
-                exc.name = type < 100 ? "yn" : (type < 200 ? "ynf" : "ynl");
-                exc.retval = zero;
-                if (_LIB_VERSION == _POSIX_)
-                        __set_errno (ERANGE);
-                else if (!matherr(&exc)) {
-                        if (_LIB_VERSION == _SVID_) {
-                                (void) WRITE2(exc.name, 2);
-                                (void) WRITE2(": TLOSS error\n", 14);
-                        }
-                        __set_errno (ERANGE);
-                }
+		exc.type = TLOSS;
+		exc.name = type < 100 ? "yn" : (type < 200 ? "ynf" : "ynl");
+		exc.retval = zero;
+		if (_LIB_VERSION == _POSIX_)
+			__set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			if (_LIB_VERSION == _SVID_) {
+				(void) WRITE2(exc.name, 2);
+				(void) WRITE2(": TLOSS error\n", 14);
+			}
+			__set_errno (ERANGE);
+		}
 		break;
 	    case 40:
 	    case 140:
@@ -838,11 +834,11 @@ static double zero = 0.0;	/* used as const */
 		exc.name = type < 100 ? "tgamma" : (type < 200
 						   ? "tgammaf" : "tgammal");
 		exc.retval = HUGE_VAL;
-                if (_LIB_VERSION == _POSIX_)
+		if (_LIB_VERSION == _POSIX_)
 		  __set_errno (ERANGE);
-                else if (!matherr(&exc)) {
-                  __set_errno (ERANGE);
-                }
+		else if (!matherr(&exc)) {
+		  __set_errno (ERANGE);
+		}
 		break;
 	    case 41:
 	    case 141:
@@ -995,3 +991,10 @@ static double zero = 0.0;	/* used as const */
 	}
 	return exc.retval;
 }
+
+
+float
+__kernel_standard_f(float x, float y, int type)
+{
+	return __kernel_standard(x, y, type);
+}
diff --git a/sysdeps/ieee754/ldbl-128/e_acoshl.c b/sysdeps/ieee754/ldbl-128/e_acoshl.c
index 62170d4c2d..2a74e9cd74 100644
--- a/sysdeps/ieee754/ldbl-128/e_acoshl.c
+++ b/sysdeps/ieee754/ldbl-128/e_acoshl.c
@@ -30,20 +30,12 @@
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double
-#else
-static long double
-#endif
 one	= 1.0,
 ln2	= 0.6931471805599453094172321214581766L;
 
-#ifdef __STDC__
-	long double __ieee754_acoshl(long double x)
-#else
-	long double __ieee754_acoshl(x)
-	long double x;
-#endif
+long double
+__ieee754_acoshl(long double x)
 {
 	long double t;
 	u_int64_t lx;
@@ -53,7 +45,7 @@ ln2	= 0.6931471805599453094172321214581766L;
 	    return (x-x)/(x-x);
 	} else if(hx >=0x4035000000000000LL) {	/* x > 2**54 */
 	    if(hx >=0x7fff000000000000LL) {	/* x is inf of NaN */
-	        return x+x;
+		return x+x;
 	    } else
 		return __ieee754_logl(x)+ln2;	/* acoshl(huge)=logl(2x) */
 	} else if(((hx-0x3fff000000000000LL)|lx)==0) {
@@ -66,3 +58,4 @@ ln2	= 0.6931471805599453094172321214581766L;
 	    return __log1pl(t+__sqrtl(2.0L*t+t*t));
 	}
 }
+strong_alias (__ieee754_acoshl, __acoshl_finite)
diff --git a/sysdeps/ieee754/ldbl-128/e_acosl.c b/sysdeps/ieee754/ldbl-128/e_acosl.c
index 284e86a527..a7503695ca 100644
--- a/sysdeps/ieee754/ldbl-128/e_acosl.c
+++ b/sysdeps/ieee754/ldbl-128/e_acosl.c
@@ -12,9 +12,9 @@
 /*
    Long double expansions are
    Copyright (C) 2001 Stephen L. Moshier <moshier@na-net.ornl.gov>
-   and are incorporated herein by permission of the author.  The author 
+   and are incorporated herein by permission of the author.  The author
    reserves the right to distribute this material elsewhere under different
-   copying permissions.  These modifications are distributed here under 
+   copying permissions.  These modifications are distributed here under
    the following terms:
 
     This library is free software; you can redistribute it and/or
@@ -57,11 +57,7 @@
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double
-#else
-static long double
-#endif
   one = 1.0L,
   pio2_hi = 1.5707963267948966192313216916397514420986L,
   pio2_lo = 4.3359050650618905123985220130216759843812E-35L,
@@ -152,14 +148,8 @@ static long double
   qS8 = -4.175375777334867025769346564600396877176E1L;
   /* 1.000000000000000000000000000000000000000E0 */
 
-#ifdef __STDC__
 long double
 __ieee754_acosl (long double x)
-#else
-long double
-__ieee754_acosl (x)
-     long double x;
-#endif
 {
   long double z, r, w, p, q, s, t, f2;
   int32_t ix, sign;
@@ -283,11 +273,11 @@ __ieee754_acosl (x)
       s = __ieee754_sqrtl (z);
       /* Compute an extended precision square root from
 	 the Newton iteration  s -> 0.5 * (s + z / s).
-         The change w from s to the improved value is
+	 The change w from s to the improved value is
 	    w = 0.5 * (s + z / s) - s  = (s^2 + z)/2s - s = (z - s^2)/2s.
-          Express s = f1 + f2 where f1 * f1 is exactly representable.
+	  Express s = f1 + f2 where f1 * f1 is exactly representable.
 	  w = (z - s^2)/2s = (z - f1^2 - 2 f1 f2 - f2^2)/2s .
-          s + w has extended precision.  */
+	  s + w has extended precision.  */
       u.value = s;
       u.parts32.w2 = 0;
       u.parts32.w3 = 0;
@@ -326,3 +316,4 @@ __ieee754_acosl (x)
       return 2.0 * w;
     }
 }
+strong_alias (__ieee754_acosl, __acosl_finite)
diff --git a/sysdeps/ieee754/ldbl-128/e_asinl.c b/sysdeps/ieee754/ldbl-128/e_asinl.c
index 89f5d79582..e82b03f6a7 100644
--- a/sysdeps/ieee754/ldbl-128/e_asinl.c
+++ b/sysdeps/ieee754/ldbl-128/e_asinl.c
@@ -12,9 +12,9 @@
 /*
   Long double expansions are
   Copyright (C) 2001 Stephen L. Moshier <moshier@na-net.ornl.gov>
-  and are incorporated herein by permission of the author.  The author 
-  reserves the right to distribute this material elsewhere under different 
-  copying permissions.  These modifications are distributed here under the 
+  and are incorporated herein by permission of the author.  The author
+  reserves the right to distribute this material elsewhere under different
+  copying permissions.  These modifications are distributed here under the
   following terms:
 
     This library is free software; you can redistribute it and/or
@@ -263,3 +263,4 @@ __ieee754_asinl (x)
   else
     return -t;
 }
+strong_alias (__ieee754_asinl, __asinl_finite)
diff --git a/sysdeps/ieee754/ldbl-128/e_atan2l.c b/sysdeps/ieee754/ldbl-128/e_atan2l.c
index 2bbb3b8f49..bba3c9bcf1 100644
--- a/sysdeps/ieee754/ldbl-128/e_atan2l.c
+++ b/sysdeps/ieee754/ldbl-128/e_atan2l.c
@@ -17,7 +17,7 @@
  * Method :
  *	1. Reduce y to positive by atan2l(y,x)=-atan2l(-y,x).
  *	2. Reduce x to positive by (if x and y are unexceptional):
- *		ARG (x+iy) = arctan(y/x)   	   ... if x > 0,
+ *		ARG (x+iy) = arctan(y/x)	   ... if x > 0,
  *		ARG (x+iy) = pi - arctan[y/(-x)]   ... if x < 0,
  *
  * Special cases:
@@ -43,11 +43,7 @@
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double
-#else
-static long double
-#endif
 tiny  = 1.0e-4900L,
 zero  = 0.0,
 pi_o_4  = 7.85398163397448309615660845819875699e-01L, /* 3ffe921fb54442d18469898cc51701b8 */
@@ -55,12 +51,8 @@ pi_o_2  = 1.57079632679489661923132169163975140e+00L, /* 3fff921fb54442d18469898
 pi      = 3.14159265358979323846264338327950280e+00L, /* 4000921fb54442d18469898cc51701b8 */
 pi_lo   = 8.67181013012378102479704402604335225e-35L; /* 3f8dcd129024e088a67cc74020bbea64 */
 
-#ifdef __STDC__
-	long double __ieee754_atan2l(long double y, long double x)
-#else
-	long double __ieee754_atan2l(y,x)
-	long double  y,x;
-#endif
+long double
+__ieee754_atan2l(long double y, long double x)
 {
 	long double z;
 	int64_t k,m,hx,hy,ix,iy;
@@ -80,7 +72,7 @@ pi_lo   = 8.67181013012378102479704402604335225e-35L; /* 3f8dcd129024e088a67cc74
 	if((iy|ly)==0) {
 	    switch(m) {
 		case 0:
-		case 1: return y; 	/* atan(+-0,+anything)=+-0 */
+		case 1: return y;	/* atan(+-0,+anything)=+-0 */
 		case 2: return  pi+tiny;/* atan(+0,-anything) = pi */
 		case 3: return -pi-tiny;/* atan(-0,-anything) =-pi */
 	    }
@@ -111,19 +103,20 @@ pi_lo   = 8.67181013012378102479704402604335225e-35L; /* 3f8dcd129024e088a67cc74
 
     /* compute y/x */
 	k = (iy-ix)>>48;
-	if(k > 120) z=pi_o_2+0.5L*pi_lo; 	/* |y/x| >  2**120 */
-	else if(hx<0&&k<-120) z=0.0L; 		/* |y|/x < -2**120 */
+	if(k > 120) z=pi_o_2+0.5L*pi_lo;	/* |y/x| >  2**120 */
+	else if(hx<0&&k<-120) z=0.0L;		/* |y|/x < -2**120 */
 	else z=__atanl(fabsl(y/x));		/* safe to do y/x */
 	switch (m) {
 	    case 0: return       z  ;	/* atan(+,+) */
 	    case 1: {
-	    	      u_int64_t zh;
+		      u_int64_t zh;
 		      GET_LDOUBLE_MSW64(zh,z);
 		      SET_LDOUBLE_MSW64(z,zh ^ 0x8000000000000000ULL);
 		    }
 		    return       z  ;	/* atan(-,+) */
 	    case 2: return  pi-(z-pi_lo);/* atan(+,-) */
 	    default: /* case 3 */
-	    	    return  (z-pi_lo)-pi;/* atan(-,-) */
+		    return  (z-pi_lo)-pi;/* atan(-,-) */
 	}
 }
+strong_alias (__ieee754_atan2l, __atan2l_finite)
diff --git a/sysdeps/ieee754/ldbl-128/e_atanhl.c b/sysdeps/ieee754/ldbl-128/e_atanhl.c
index dd681c847c..334c4bd701 100644
--- a/sysdeps/ieee754/ldbl-128/e_atanhl.c
+++ b/sysdeps/ieee754/ldbl-128/e_atanhl.c
@@ -14,10 +14,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
-
 /* __ieee754_atanhl(x)
  * Method :
  *    1.Reduced x to positive by atanh(-x) = -atanh(x)
@@ -26,7 +22,7 @@ static char rcsid[] = "$NetBSD: $";
  *	atanhl(x) = --- * log(1 + -------) = 0.5 * log1p(2 * --------)
  *                   2             1 - x                      1 - x
  *
- * 	For x<0.5
+ *	For x<0.5
  *	atanhl(x) = 0.5*log1pl(2x+2x*x/(1-x))
  *
  * Special cases:
@@ -39,24 +35,12 @@ static char rcsid[] = "$NetBSD: $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double one = 1.0L, huge = 1e4900L;
-#else
-static long double one = 1.0L, huge = 1e4900L;
-#endif
 
-#ifdef __STDC__
 static const long double zero = 0.0L;
-#else
-static double long zero = 0.0L;
-#endif
 
-#ifdef __STDC__
-	long double __ieee754_atanhl(long double x)
-#else
-	long double __ieee754_atanhl(x)
-	long double x;
-#endif
+long double
+__ieee754_atanhl(long double x)
 {
 	long double t;
 	u_int32_t jx, ix;
@@ -82,3 +66,4 @@ static double long zero = 0.0L;
 	    t = 0.5*__log1pl((u.value+u.value)/(one-u.value));
 	if(jx & 0x80000000) return -t; else return t;
 }
+strong_alias (__ieee754_atanhl, __atanhl_finite)
diff --git a/sysdeps/ieee754/ldbl-128/e_coshl.c b/sysdeps/ieee754/ldbl-128/e_coshl.c
index 3913e3479b..dfe8d47f9b 100644
--- a/sysdeps/ieee754/ldbl-128/e_coshl.c
+++ b/sysdeps/ieee754/ldbl-128/e_coshl.c
@@ -11,9 +11,9 @@
 
 /* Changes for 128-bit long double are
    Copyright (C) 2001 Stephen L. Moshier <moshier@na-net.ornl.gov>
-   and are incorporated herein by permission of the author.  The author 
+   and are incorporated herein by permission of the author.  The author
    reserves the right to distribute this material elsewhere under different
-   copying permissions.  These modifications are distributed here under 
+   copying permissions.  These modifications are distributed here under
    the following terms:
 
     This library is free software; you can redistribute it and/or
@@ -54,22 +54,11 @@
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double one = 1.0, half = 0.5, huge = 1.0e4900L,
 ovf_thresh = 1.1357216553474703894801348310092223067821E4L;
-#else
-static long double one = 1.0, half = 0.5, huge = 1.0e4900L,
-ovf_thresh = 1.1357216553474703894801348310092223067821E4L;
-#endif
 
-#ifdef __STDC__
 long double
 __ieee754_coshl (long double x)
-#else
-long double
-__ieee754_coshl (x)
-     long double x;
-#endif
 {
   long double t, w;
   int32_t ex;
@@ -118,3 +107,4 @@ __ieee754_coshl (x)
   /* |x| > overflowthresold, cosh(x) overflow */
   return huge * huge;
 }
+strong_alias (__ieee754_coshl, __coshl_finite)
diff --git a/sysdeps/ieee754/ldbl-128/e_fmodl.c b/sysdeps/ieee754/ldbl-128/e_fmodl.c
index 1043f69cb3..05665a9c8b 100644
--- a/sysdeps/ieee754/ldbl-128/e_fmodl.c
+++ b/sysdeps/ieee754/ldbl-128/e_fmodl.c
@@ -3,16 +3,16 @@
  */
 /*
  * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ * Copyright (C) 1993, 2011 by Sun Microsystems, Inc. All rights reserved.
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
 
-/* 
+/*
  * __ieee754_fmodl(x,y)
  * Return x mod y in exact arithmetic
  * Method: shift and subtract
@@ -21,18 +21,10 @@
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double one = 1.0, Zero[] = {0.0, -0.0,};
-#else
-static long double one = 1.0, Zero[] = {0.0, -0.0,};
-#endif
 
-#ifdef __STDC__
-	long double __ieee754_fmodl(long double x, long double y)
-#else
-	long double __ieee754_fmodl(x,y)
-	long double x,y;
-#endif
+long double
+__ieee754_fmodl (long double x, long double y)
 {
 	int64_t n,hx,hy,hz,ix,iy,sx,i;
 	u_int64_t lx,ly,lz;
@@ -49,7 +41,7 @@ static long double one = 1.0, Zero[] = {0.0, -0.0,};
 	    return (x*y)/(x*y);
 	if(hx<=hy) {
 	    if((hx<hy)||(lx<ly)) return x;	/* |x|<|y| return x */
-	    if(lx==ly) 
+	    if(lx==ly)
 		return Zero[(u_int64_t)sx>>63];	/* |x|=|y| return x*0*/
 	}
 
@@ -72,25 +64,25 @@ static long double one = 1.0, Zero[] = {0.0, -0.0,};
 	} else iy = (hy>>48)-0x3fff;
 
     /* set up {hx,lx}, {hy,ly} and align y to x */
-	if(ix >= -16382) 
+	if(ix >= -16382)
 	    hx = 0x0001000000000000LL|(0x0000ffffffffffffLL&hx);
 	else {		/* subnormal x, shift x to normal */
 	    n = -16382-ix;
 	    if(n<=63) {
-	        hx = (hx<<n)|(lx>>(64-n));
-	        lx <<= n;
+		hx = (hx<<n)|(lx>>(64-n));
+		lx <<= n;
 	    } else {
 		hx = lx<<(n-64);
 		lx = 0;
 	    }
 	}
-	if(iy >= -16382) 
+	if(iy >= -16382)
 	    hy = 0x0001000000000000LL|(0x0000ffffffffffffLL&hy);
 	else {		/* subnormal y, shift y to normal */
 	    n = -16382-iy;
 	    if(n<=63) {
-	        hy = (hy<<n)|(ly>>(64-n));
-	        ly <<= n;
+		hy = (hy<<n)|(ly>>(64-n));
+		ly <<= n;
 	    } else {
 		hy = ly<<(n-64);
 		ly = 0;
@@ -103,17 +95,17 @@ static long double one = 1.0, Zero[] = {0.0, -0.0,};
 	    hz=hx-hy;lz=lx-ly; if(lx<ly) hz -= 1;
 	    if(hz<0){hx = hx+hx+(lx>>63); lx = lx+lx;}
 	    else {
-	    	if((hz|lz)==0) 		/* return sign(x)*0 */
+		if((hz|lz)==0)		/* return sign(x)*0 */
 		    return Zero[(u_int64_t)sx>>63];
-	    	hx = hz+hz+(lz>>63); lx = lz+lz;
+		hx = hz+hz+(lz>>63); lx = lz+lz;
 	    }
 	}
 	hz=hx-hy;lz=lx-ly; if(lx<ly) hz -= 1;
 	if(hz>=0) {hx=hz;lx=lz;}
 
     /* convert back to floating value and restore the sign */
-	if((hx|lx)==0) 			/* return sign(x)*0 */
-	    return Zero[(u_int64_t)sx>>63];	
+	if((hx|lx)==0)			/* return sign(x)*0 */
+	    return Zero[(u_int64_t)sx>>63];
 	while(hx<0x0001000000000000LL) {	/* normalize x */
 	    hx = hx+hx+(lx>>63); lx = lx+lx;
 	    iy -= 1;
@@ -136,3 +128,4 @@ static long double one = 1.0, Zero[] = {0.0, -0.0,};
 	}
 	return x;		/* exact output */
 }
+strong_alias (__ieee754_fmodl, __fmodl_finite)
diff --git a/sysdeps/ieee754/ldbl-128/e_gammal_r.c b/sysdeps/ieee754/ldbl-128/e_gammal_r.c
index 36f5d45881..2dbe6acff9 100644
--- a/sysdeps/ieee754/ldbl-128/e_gammal_r.c
+++ b/sysdeps/ieee754/ldbl-128/e_gammal_r.c
@@ -1,8 +1,8 @@
 /* Implementation of gamma function according to ISO C.
-   Copyright (C) 1997, 1999, 2002, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1999, 2002, 2004, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
-   		  Jakub Jelinek <jj@ultra.linux.cz, 1999.
+		  Jakub Jelinek <jj@ultra.linux.cz, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -56,3 +56,4 @@ __ieee754_gammal_r (long double x, int *signgamp)
   /* XXX FIXME.  */
   return __ieee754_expl (__ieee754_lgammal_r (x, signgamp));
 }
+strong_alias (__ieee754_gammal_r, __gammal_r_finite)
diff --git a/sysdeps/ieee754/ldbl-128/e_hypotl.c b/sysdeps/ieee754/ldbl-128/e_hypotl.c
index 6834eac59c..dad78fef1d 100644
--- a/sysdeps/ieee754/ldbl-128/e_hypotl.c
+++ b/sysdeps/ieee754/ldbl-128/e_hypotl.c
@@ -13,10 +13,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_hypotl.c,v 1.9 1995/05/12 04:57:27 jtc Exp $";
-#endif
-
 /* __ieee754_hypotl(x,y)
  *
  * Method :
@@ -45,19 +41,15 @@ static char rcsid[] = "$NetBSD: e_hypotl.c,v 1.9 1995/05/12 04:57:27 jtc Exp $";
  *	hypotl(x,y) is NAN if x or y is NAN.
  *
  * Accuracy:
- * 	hypotl(x,y) returns sqrtl(x^2+y^2) with error less
- * 	than 1 ulps (units in the last place)
+ *	hypotl(x,y) returns sqrtl(x^2+y^2) with error less
+ *	than 1 ulps (units in the last place)
  */
 
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
-	long double __ieee754_hypotl(long double x, long double y)
-#else
-	long double __ieee754_hypotl(x,y)
-	long double x, y;
-#endif
+long double
+__ieee754_hypotl(long double x, long double y)
 {
 	long double a,b,t1,t2,y1,y2,w;
 	int64_t j,k,ha,hb;
@@ -89,7 +81,7 @@ static char rcsid[] = "$NetBSD: e_hypotl.c,v 1.9 1995/05/12 04:57:27 jtc Exp $";
 	}
 	if(hb < 0x20bf000000000000LL) {	/* b < 2**-8000 */
 	    if(hb <= 0x0000ffffffffffffLL) {	/* subnormal b or 0 */
-	        u_int64_t low;
+		u_int64_t low;
 		GET_LDOUBLE_LSW64(low,b);
 		if((hb|low)==0) return a;
 		t1=0;
@@ -98,7 +90,7 @@ static char rcsid[] = "$NetBSD: e_hypotl.c,v 1.9 1995/05/12 04:57:27 jtc Exp $";
 		a *= t1;
 		k -= 16382;
 	    } else {		/* scale a and b by 2^9600 */
-	        ha += 0x2580000000000000LL; 	/* a *= 2^9600 */
+		ha += 0x2580000000000000LL;	/* a *= 2^9600 */
 		hb += 0x2580000000000000LL;	/* b *= 2^9600 */
 		k -= 9600;
 		SET_LDOUBLE_MSW64(a,ha);
@@ -130,3 +122,4 @@ static char rcsid[] = "$NetBSD: e_hypotl.c,v 1.9 1995/05/12 04:57:27 jtc Exp $";
 	    return t1*w;
 	} else return w;
 }
+strong_alias (__ieee754_hypotl, __hypotl_finite)
diff --git a/sysdeps/ieee754/ldbl-128/e_j0l.c b/sysdeps/ieee754/ldbl-128/e_j0l.c
index bcd57e2b06..ef718b9d70 100644
--- a/sysdeps/ieee754/ldbl-128/e_j0l.c
+++ b/sysdeps/ieee754/ldbl-128/e_j0l.c
@@ -779,6 +779,7 @@ __ieee754_j0l (long double x)
   z = ONEOSQPI * (p * cc - q * ss) / __ieee754_sqrtl (xx);
   return z;
 }
+strong_alias (__ieee754_j0l, __j0l_finite)
 
 
 /* Y0(x) = 2/pi * log(x) * J0(x) + R(x^2)
@@ -918,3 +919,4 @@ long double
   z = ONEOSQPI * (p * ss + q * cc) / __ieee754_sqrtl (x);
   return z;
 }
+strong_alias (__ieee754_y0l, __y0l_finite)
diff --git a/sysdeps/ieee754/ldbl-128/e_j1l.c b/sysdeps/ieee754/ldbl-128/e_j1l.c
index 7b73e2e799..8d92b4f084 100644
--- a/sysdeps/ieee754/ldbl-128/e_j1l.c
+++ b/sysdeps/ieee754/ldbl-128/e_j1l.c
@@ -786,6 +786,7 @@ __ieee754_j1l (long double x)
     z = -z;
   return z;
 }
+strong_alias (__ieee754_j1l, __j1l_finite)
 
 
 /* Y1(x) = 2/pi * (log(x) * J1(x) - 1/x) + x R(x^2)
@@ -925,3 +926,4 @@ __ieee754_y1l (long double x)
   z = ONEOSQPI * (p * ss + q * cc) / __ieee754_sqrtl (xx);
   return z;
 }
+strong_alias (__ieee754_y1l, __y1l_finite)
diff --git a/sysdeps/ieee754/ldbl-128/e_jnl.c b/sysdeps/ieee754/ldbl-128/e_jnl.c
index a7f6772c08..81591634b1 100644
--- a/sysdeps/ieee754/ldbl-128/e_jnl.c
+++ b/sysdeps/ieee754/ldbl-128/e_jnl.c
@@ -11,9 +11,9 @@
 
 /* Modifications for 128-bit long double are
    Copyright (C) 2001 Stephen L. Moshier <moshier@na-net.ornl.gov>
-   and are incorporated herein by permission of the author.  The author 
+   and are incorporated herein by permission of the author.  The author
    reserves the right to distribute this material elsewhere under different
-   copying permissions.  These modifications are distributed here under 
+   copying permissions.  These modifications are distributed here under
    the following terms:
 
     This library is free software; you can redistribute it and/or
@@ -59,26 +59,15 @@
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double
-#else
-static long double
-#endif
   invsqrtpi = 5.6418958354775628694807945156077258584405E-1L,
   two = 2.0e0L,
   one = 1.0e0L,
   zero = 0.0L;
 
 
-#ifdef __STDC__
 long double
 __ieee754_jnl (int n, long double x)
-#else
-long double
-__ieee754_jnl (n, x)
-     int n;
-     long double x;
-#endif
 {
   u_int32_t se;
   int32_t i, ix, sgn;
@@ -302,16 +291,10 @@ __ieee754_jnl (n, x)
   else
     return b;
 }
+strong_alias (__ieee754_jnl, __jnl_finite)
 
-#ifdef __STDC__
 long double
 __ieee754_ynl (int n, long double x)
-#else
-long double
-__ieee754_ynl (n, x)
-     int n;
-     long double x;
-#endif
 {
   u_int32_t se;
   int32_t i, ix;
@@ -407,3 +390,4 @@ __ieee754_ynl (n, x)
   else
     return -b;
 }
+strong_alias (__ieee754_ynl, __ynl_finite)
diff --git a/sysdeps/ieee754/ldbl-128/e_lgammal_r.c b/sysdeps/ieee754/ldbl-128/e_lgammal_r.c
index d080448476..2482296acf 100644
--- a/sysdeps/ieee754/ldbl-128/e_lgammal_r.c
+++ b/sysdeps/ieee754/ldbl-128/e_lgammal_r.c
@@ -754,15 +754,8 @@ deval (long double x, const long double *p, int n)
 }
 
 
-#ifdef __STDC__
 long double
 __ieee754_lgammal_r (long double x, int *signgamp)
-#else
-long double
-__ieee754_lgammal_r (x, signgamp)
-     long double x;
-     int *signgamp;
-#endif
 {
   long double p, q, w, z, nx;
   int i, nn;
@@ -775,7 +768,7 @@ __ieee754_lgammal_r (x, signgamp)
   if (x == 0.0L)
     {
       if (__signbitl (x))
-        *signgamp = -1;
+	*signgamp = -1;
     }
 
   if (x < 0.0L)
@@ -863,7 +856,7 @@ __ieee754_lgammal_r (x, signgamp)
 		{
 		  z = x - 0.75L;
 		  p = z * neval (z, RN1r75, NRN1r75)
-		        / deval (z, RD1r75, NRD1r75);
+			/ deval (z, RD1r75, NRD1r75);
 		  p += lgam1r75b;
 		  p += lgam1r75a;
 		}
@@ -1040,3 +1033,4 @@ __ieee754_lgammal_r (x, signgamp)
   q += neval (p, RASY, NRASY) / x;
   return (q);
 }
+strong_alias (__ieee754_lgammal_r, __lgammal_r_finite)
diff --git a/sysdeps/ieee754/ldbl-128/e_log10l.c b/sysdeps/ieee754/ldbl-128/e_log10l.c
index 1213177a86..6e69bbd7b7 100644
--- a/sysdeps/ieee754/ldbl-128/e_log10l.c
+++ b/sysdeps/ieee754/ldbl-128/e_log10l.c
@@ -58,7 +58,7 @@
 
     You should have received a copy of the GNU Lesser General Public
     License along with this library; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA 
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
 
  */
 
@@ -179,8 +179,7 @@ deval (long double x, const long double *p, int n)
 
 
 long double
-__ieee754_log10l (x)
-     long double x;
+__ieee754_log10l (long double x)
 {
   long double z;
   long double y;
@@ -256,3 +255,4 @@ done:
   z += e * L102A;
   return (z);
 }
+strong_alias (__ieee754_log10l, __log10l_finite)
diff --git a/sysdeps/ieee754/ldbl-128/e_log2l.c b/sysdeps/ieee754/ldbl-128/e_log2l.c
index 8663d78b3f..9a02394eef 100644
--- a/sysdeps/ieee754/ldbl-128/e_log2l.c
+++ b/sysdeps/ieee754/ldbl-128/e_log2l.c
@@ -57,7 +57,7 @@
 
     You should have received a copy of the GNU Lesser General Public
     License along with this library; if not, write to the Free Software
-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA 
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
  */
 
 #include "math.h"
@@ -248,3 +248,4 @@ done:
   z += e;
   return (z);
 }
+strong_alias (__ieee754_log2l, __log2l_finite)
diff --git a/sysdeps/ieee754/ldbl-128/e_logl.c b/sysdeps/ieee754/ldbl-128/e_logl.c
index b9e17f8f95..6d532874c0 100644
--- a/sysdeps/ieee754/ldbl-128/e_logl.c
+++ b/sysdeps/ieee754/ldbl-128/e_logl.c
@@ -42,7 +42,7 @@
  *
  */
 
-/* Copyright 2001 by Stephen L. Moshier <moshier@na-net.ornl.gov> 
+/* Copyright 2001 by Stephen L. Moshier <moshier@na-net.ornl.gov>
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
@@ -251,7 +251,7 @@ __ieee754_logl(long double x)
       /* log(u) = log( t u/t ) = log(t) + log(u/t)
 	 log(t) is tabulated in the lookup table.
 	 Express log(u/t) = log(1+z),  where z = u/t - 1 = (u-t)/t.
-         cf. Cody & Waite. */
+	 cf. Cody & Waite. */
       z = (u.value - t.value) / t.value;
     }
   /* Series expansion of log(1+z).  */
@@ -277,3 +277,4 @@ __ieee754_logl(long double x)
   y += e * ln2a;
   return y;
 }
+strong_alias (__ieee754_logl, __logl_finite)
diff --git a/sysdeps/ieee754/ldbl-128/e_powl.c b/sysdeps/ieee754/ldbl-128/e_powl.c
index ba7e27b7d7..d8e1af03c6 100644
--- a/sysdeps/ieee754/ldbl-128/e_powl.c
+++ b/sysdeps/ieee754/ldbl-128/e_powl.c
@@ -11,9 +11,9 @@
 
 /* Expansions and modifications for 128-bit long double are
    Copyright (C) 2001 Stephen L. Moshier <moshier@na-net.ornl.gov>
-   and are incorporated herein by permission of the author.  The author 
+   and are incorporated herein by permission of the author.  The author
    reserves the right to distribute this material elsewhere under different
-   copying permissions.  These modifications are distributed here under 
+   copying permissions.  These modifications are distributed here under
    the following terms:
 
     This library is free software; you can redistribute it and/or
@@ -144,14 +144,8 @@ static const long double
   cp_h = 9.6179669392597555432899980587535537779331E-1L,
   cp_l = 5.0577616648125906047157785230014751039424E-17L;
 
-#ifdef __STDC__
 long double
 __ieee754_powl (long double x, long double y)
-#else
-long double
-__ieee754_powl (x, y)
-     long double x, y;
-#endif
 {
   long double z, ax, z_h, z_l, p_h, p_l;
   long double y1, t1, t2, r, s, t, u, v, w;
@@ -445,3 +439,4 @@ __ieee754_powl (x, y)
     }
   return s * z;
 }
+strong_alias (__ieee754_powl, __powl_finite)
diff --git a/sysdeps/ieee754/ldbl-128/e_remainderl.c b/sysdeps/ieee754/ldbl-128/e_remainderl.c
index 81af247b33..84233808ef 100644
--- a/sysdeps/ieee754/ldbl-128/e_remainderl.c
+++ b/sysdeps/ieee754/ldbl-128/e_remainderl.c
@@ -7,36 +7,28 @@
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
 
 /* __ieee754_remainderl(x,p)
- * Return :                  
- * 	returns  x REM p  =  x - [x/p]*p as if in infinite 
- * 	precise arithmetic, where [x/p] is the (infinite bit) 
+ * Return :
+ *	returns  x REM p  =  x - [x/p]*p as if in infinite
+ *	precise arithmetic, where [x/p] is the (infinite bit)
  *	integer nearest x/p (in half way case choose the even one).
- * Method : 
+ * Method :
  *	Based on fmodl() return x-[x/p]chopped*p exactlp.
  */
 
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double zero = 0.0L;
-#else
-static long double zero = 0.0L;
-#endif
 
 
-#ifdef __STDC__
-	long double __ieee754_remainderl(long double x, long double p)
-#else
-	long double __ieee754_remainderl(x,p)
-	long double x,p;
-#endif
+long double
+__ieee754_remainderl(long double x, long double p)
 {
 	int64_t hx,hp;
 	u_int64_t sx,lx,lp;
@@ -49,7 +41,7 @@ static long double zero = 0.0L;
 	hx &= 0x7fffffffffffffffLL;
 
     /* purge off exception values */
-	if((hp|lp)==0) return (x*p)/(x*p); 	/* p = 0 */
+	if((hp|lp)==0) return (x*p)/(x*p);	/* p = 0 */
 	if((hx>=0x7fff000000000000LL)||			/* x not finite */
 	  ((hp>=0x7fff000000000000LL)&&			/* p is NaN */
 	  (((hp-0x7fff000000000000LL)|lp)!=0)))
@@ -76,3 +68,4 @@ static long double zero = 0.0L;
 	SET_LDOUBLE_MSW64(x,hx^sx);
 	return x;
 }
+strong_alias (__ieee754_remainderl, __remainderl_finite)
diff --git a/sysdeps/ieee754/ldbl-128/e_sinhl.c b/sysdeps/ieee754/ldbl-128/e_sinhl.c
index 93f4179c65..ac36cac5c7 100644
--- a/sysdeps/ieee754/ldbl-128/e_sinhl.c
+++ b/sysdeps/ieee754/ldbl-128/e_sinhl.c
@@ -16,9 +16,9 @@
 
 /* Changes for 128-bit long double are
    Copyright (C) 2001 Stephen L. Moshier <moshier@na-net.ornl.gov>
-   and are incorporated herein by permission of the author.  The author 
+   and are incorporated herein by permission of the author.  The author
    reserves the right to distribute this material elsewhere under different
-   copying permissions.  These modifications are distributed here under 
+   copying permissions.  These modifications are distributed here under
    the following terms:
 
     This library is free software; you can redistribute it and/or
@@ -56,22 +56,11 @@
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double one = 1.0, shuge = 1.0e4931L,
 ovf_thresh = 1.1357216553474703894801348310092223067821E4L;
-#else
-static long double one = 1.0, shuge = 1.0e4931L,
-ovf_thresh = 1.1357216553474703894801348310092223067821E4L;
-#endif
 
-#ifdef __STDC__
 long double
 __ieee754_sinhl (long double x)
-#else
-long double
-__ieee754_sinhl (x)
-     long double x;
-#endif
 {
   long double t, w, h;
   u_int32_t jx, ix;
@@ -121,3 +110,4 @@ __ieee754_sinhl (x)
   /* |x| > overflowthreshold, sinhl(x) overflow */
   return x * shuge;
 }
+strong_alias (__ieee754_sinhl, __sinhl_finite)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_acoshl.c b/sysdeps/ieee754/ldbl-128ibm/e_acoshl.c
index 00576c76c8..20d94eaa1e 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_acoshl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_acoshl.c
@@ -10,10 +10,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_acosh.c,v 1.9 1995/05/12 04:57:18 jtc Exp $";
-#endif
-
 /* __ieee754_acosh(x)
  * Method :
  *	Based on
@@ -31,20 +27,12 @@ static char rcsid[] = "$NetBSD: e_acosh.c,v 1.9 1995/05/12 04:57:18 jtc Exp $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double
-#else
-static long double
-#endif
 one	= 1.0L,
 ln2	= 6.93147180559945286227e-01L;  /* 0x3FE62E42, 0xFEFA39EF */
 
-#ifdef __STDC__
-	long double __ieee754_acoshl(long double x)
-#else
-	long double __ieee754_acoshl(x)
-	long double x;
-#endif
+long double
+__ieee754_acoshl(long double x)
 {
 	long double t;
 	int64_t hx;
@@ -54,7 +42,7 @@ ln2	= 6.93147180559945286227e-01L;  /* 0x3FE62E42, 0xFEFA39EF */
 	    return (x-x)/(x-x);
 	} else if(hx >=0x41b0000000000000LL) {	/* x > 2**28 */
 	    if(hx >=0x7ff0000000000000LL) {	/* x is inf of NaN */
-	        return x+x;
+		return x+x;
 	    } else
 		return __ieee754_logl(x)+ln2;	/* acosh(huge)=log(2x) */
 	} else if (((hx-0x3ff0000000000000LL)|(lx&0x7fffffffffffffffLL))==0) {
@@ -67,3 +55,4 @@ ln2	= 6.93147180559945286227e-01L;  /* 0x3FE62E42, 0xFEFA39EF */
 	    return __log1p(t+__sqrtl(2.0*t+t*t));
 	}
 }
+strong_alias (__ieee754_acoshl, __acoshl_finite)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_acosl.c b/sysdeps/ieee754/ldbl-128ibm/e_acosl.c
index 8823fd69b4..1b37c9220c 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_acosl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_acosl.c
@@ -283,11 +283,11 @@ __ieee754_acosl (x)
       s = __ieee754_sqrtl (z);
       /* Compute an extended precision square root from
 	 the Newton iteration  s -> 0.5 * (s + z / s).
-         The change w from s to the improved value is
+	 The change w from s to the improved value is
 	    w = 0.5 * (s + z / s) - s  = (s^2 + z)/2s - s = (z - s^2)/2s.
-          Express s = f1 + f2 where f1 * f1 is exactly representable.
+	  Express s = f1 + f2 where f1 * f1 is exactly representable.
 	  w = (z - s^2)/2s = (z - f1^2 - 2 f1 f2 - f2^2)/2s .
-          s + w has extended precision.  */
+	  s + w has extended precision.  */
       u.value = s;
       u.parts32.w2 = 0;
       u.parts32.w3 = 0;
@@ -326,3 +326,4 @@ __ieee754_acosl (x)
       return 2.0 * w;
     }
 }
+strong_alias (__ieee754_acosl, __acosl_finite)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_asinl.c b/sysdeps/ieee754/ldbl-128ibm/e_asinl.c
index 3696694f78..6c61232c05 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_asinl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_asinl.c
@@ -12,9 +12,9 @@
 /*
   Long double expansions are
   Copyright (C) 2001 Stephen L. Moshier <moshier@na-net.ornl.gov>
-  and are incorporated herein by permission of the author.  The author 
-  reserves the right to distribute this material elsewhere under different 
-  copying permissions.  These modifications are distributed here under the 
+  and are incorporated herein by permission of the author.  The author
+  reserves the right to distribute this material elsewhere under different
+  copying permissions.  These modifications are distributed here under the
   following terms:
 
     This library is free software; you can redistribute it and/or
@@ -263,3 +263,4 @@ __ieee754_asinl (x)
   else
     return -t;
 }
+strong_alias (__ieee754_asinl, __asinl_finite)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_atan2l.c b/sysdeps/ieee754/ldbl-128ibm/e_atan2l.c
index a4bb53df04..a5b6621006 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_atan2l.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_atan2l.c
@@ -17,7 +17,7 @@
  * Method :
  *	1. Reduce y to positive by atan2l(y,x)=-atan2l(-y,x).
  *	2. Reduce x to positive by (if x and y are unexceptional):
- *		ARG (x+iy) = arctan(y/x)   	   ... if x > 0,
+ *		ARG (x+iy) = arctan(y/x)	   ... if x > 0,
  *		ARG (x+iy) = pi - arctan[y/(-x)]   ... if x < 0,
  *
  * Special cases:
@@ -43,11 +43,7 @@
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double
-#else
-static long double
-#endif
 tiny  = 1.0e-300L,
 zero  = 0.0,
 pi_o_4  = 7.85398163397448309615660845819875699e-01L, /* 3ffe921fb54442d18469898cc51701b8 */
@@ -55,12 +51,8 @@ pi_o_2  = 1.57079632679489661923132169163975140e+00L, /* 3fff921fb54442d18469898
 pi      = 3.14159265358979323846264338327950280e+00L, /* 4000921fb54442d18469898cc51701b8 */
 pi_lo   = 8.67181013012378102479704402604335225e-35L; /* 3f8dcd129024e088a67cc74020bbea64 */
 
-#ifdef __STDC__
-	long double __ieee754_atan2l(long double y, long double x)
-#else
-	long double __ieee754_atan2l(y,x)
-	long double  y,x;
-#endif
+long double
+__ieee754_atan2l(long double y, long double x)
 {
 	long double z;
 	int64_t k,m,hx,hy,ix,iy;
@@ -80,7 +72,7 @@ pi_lo   = 8.67181013012378102479704402604335225e-35L; /* 3f8dcd129024e088a67cc74
 	if((iy|(ly&0x7fffffffffffffffLL))==0) {
 	    switch(m) {
 		case 0:
-		case 1: return y; 	/* atan(+-0,+anything)=+-0 */
+		case 1: return y;	/* atan(+-0,+anything)=+-0 */
 		case 2: return  pi+tiny;/* atan(+0,-anything) = pi */
 		case 3: return -pi-tiny;/* atan(-0,-anything) =-pi */
 	    }
@@ -111,14 +103,15 @@ pi_lo   = 8.67181013012378102479704402604335225e-35L; /* 3f8dcd129024e088a67cc74
 
     /* compute y/x */
 	k = (iy-ix)>>52;
-	if(k > 120) z=pi_o_2+0.5L*pi_lo; 	/* |y/x| >  2**120 */
-	else if(hx<0&&k<-120) z=0.0L; 		/* |y|/x < -2**120 */
+	if(k > 120) z=pi_o_2+0.5L*pi_lo;	/* |y/x| >  2**120 */
+	else if(hx<0&&k<-120) z=0.0L;		/* |y|/x < -2**120 */
 	else z=__atanl(fabsl(y/x));		/* safe to do y/x */
 	switch (m) {
 	    case 0: return       z  ;	/* atan(+,+) */
 	    case 1: return      -z  ;	/* atan(-,+) */
 	    case 2: return  pi-(z-pi_lo);/* atan(+,-) */
 	    default: /* case 3 */
-	    	    return  (z-pi_lo)-pi;/* atan(-,-) */
+		    return  (z-pi_lo)-pi;/* atan(-,-) */
 	}
 }
+strong_alias (__ieee754_atan2l, __atan2l_finite)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_atanhl.c b/sysdeps/ieee754/ldbl-128ibm/e_atanhl.c
index a801bd6f74..c879e4518e 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_atanhl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_atanhl.c
@@ -10,10 +10,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_atanh.c,v 1.8 1995/05/10 20:44:55 jtc Exp $";
-#endif
-
 /* __ieee754_atanh(x)
  * Method :
  *    1.Reduced x to positive by atanh(-x) = -atanh(x)
@@ -22,7 +18,7 @@ static char rcsid[] = "$NetBSD: e_atanh.c,v 1.8 1995/05/10 20:44:55 jtc Exp $";
  *	atanh(x) = --- * log(1 + -------) = 0.5 * log1p(2 * --------)
  *                  2             1 - x                      1 - x
  *
- * 	For x<0.5
+ *	For x<0.5
  *	atanh(x) = 0.5*log1p(2x+2x*x/(1-x))
  *
  * Special cases:
@@ -35,24 +31,12 @@ static char rcsid[] = "$NetBSD: e_atanh.c,v 1.8 1995/05/10 20:44:55 jtc Exp $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double one = 1.0L, huge = 1e300L;
-#else
-static long double one = 1.0L, huge = 1e300L;
-#endif
 
-#ifdef __STDC__
 static const long double zero = 0.0L;
-#else
-static long double zero = 0.0L;
-#endif
 
-#ifdef __STDC__
-	long double __ieee754_atanhl(long double x)
-#else
-	long double __ieee754_atanhl(x)
-	long double x;
-#endif
+long double
+__ieee754_atanhl(long double x)
 {
 	long double t;
 	int64_t hx,ix;
@@ -61,7 +45,7 @@ static long double zero = 0.0L;
 	ix = hx&0x7fffffffffffffffLL;
 	if (ix >= 0x3ff0000000000000LL) { /* |x|>=1 */
 	    if (ix > 0x3ff0000000000000LL)
-	    	return (x-x)/(x-x);
+		return (x-x)/(x-x);
 	    t = fabsl (x);
 	    if (t > one)
 		return (x-x)/(x-x);
@@ -77,3 +61,4 @@ static long double zero = 0.0L;
 	    t = 0.5*__log1pl((x+x)/(one-x));
 	if(hx>=0) return t; else return -t;
 }
+strong_alias (__ieee754_atanhl, __atanhl_finite)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_coshl.c b/sysdeps/ieee754/ldbl-128ibm/e_coshl.c
index 73cb47892f..ebc9436396 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_coshl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_coshl.c
@@ -10,22 +10,18 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_cosh.c,v 1.7 1995/05/10 20:44:58 jtc Exp $";
-#endif
-
 /* __ieee754_cosh(x)
  * Method :
  * mathematically cosh(x) if defined to be (exp(x)+exp(-x))/2
  *	1. Replace x by |x| (cosh(x) = cosh(-x)).
  *	2.
- *		                                        [ exp(x) - 1 ]^2
+ *							[ exp(x) - 1 ]^2
  *	    0        <= x <= ln2/2  :  cosh(x) := 1 + -------------------
- *			       			           2*exp(x)
+ *							   2*exp(x)
  *
- *		                                  exp(x) +  1/exp(x)
+ *						  exp(x) +  1/exp(x)
  *	    ln2/2    <= x <= 22     :  cosh(x) := -------------------
- *			       			          2
+ *							  2
  *	    22       <= x <= lnovft :  cosh(x) := exp(x)/2
  *	    lnovft   <= x <= ln2ovft:  cosh(x) := exp(x/2)/2 * exp(x/2)
  *	    ln2ovft  <  x	    :  cosh(x) := huge*huge (overflow)
@@ -38,18 +34,10 @@ static char rcsid[] = "$NetBSD: e_cosh.c,v 1.7 1995/05/10 20:44:58 jtc Exp $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double one = 1.0L, half=0.5L, huge = 1.0e300L;
-#else
-static long double one = 1.0L, half=0.5L, huge = 1.0e300L;
-#endif
 
-#ifdef __STDC__
-	long double __ieee754_coshl(long double x)
-#else
-	long double __ieee754_coshl(x)
-	long double x;
-#endif
+long double
+__ieee754_coshl (long double x)
 {
 	long double t,w;
 	int64_t ix;
@@ -79,7 +67,7 @@ static long double one = 1.0L, half=0.5L, huge = 1.0e300L;
 	if (ix < 0x40862e42fefa39efLL)  return half*__ieee754_expl(fabsl(x));
 
     /* |x| in [log(maxdouble), overflowthresold] */
-        if (ix < 0x408633ce8fb9f87dLL) {
+	if (ix < 0x408633ce8fb9f87dLL) {
 	    w = __ieee754_expl(half*fabsl(x));
 	    t = half*w;
 	    return t*w;
@@ -88,3 +76,4 @@ static long double one = 1.0L, half=0.5L, huge = 1.0e300L;
     /* |x| > overflowthresold, cosh(x) overflow */
 	return huge*huge;
 }
+strong_alias (__ieee754_coshl, __coshl_finite)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_fmodl.c b/sysdeps/ieee754/ldbl-128ibm/e_fmodl.c
index e99b0bac34..4ad59a0916 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_fmodl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_fmodl.c
@@ -22,18 +22,10 @@
 #include "math_private.h"
 #include <ieee754.h>
 
-#ifdef __STDC__
 static const long double one = 1.0, Zero[] = {0.0, -0.0,};
-#else
-static long double one = 1.0, Zero[] = {0.0, -0.0,};
-#endif
 
-#ifdef __STDC__
-	long double __ieee754_fmodl(long double x, long double y)
-#else
-	long double __ieee754_fmodl(x,y)
-	long double x,y;
-#endif
+long double
+__ieee754_fmodl (long double x, long double y)
 {
 	int64_t n,hx,hy,hz,ix,iy,sx,i;
 	u_int64_t lx,ly,lz;
@@ -76,8 +68,8 @@ static long double one = 1.0, Zero[] = {0.0, -0.0,};
     /* Make the IBM extended format 105 bit mantissa look like the ieee854 112
        bit mantissa so the following operatations will give the correct
        result.  */
-        ldbl_extract_mantissa(&hx, &lx, &temp, x);
-        ldbl_extract_mantissa(&hy, &ly, &temp, y);
+	ldbl_extract_mantissa(&hx, &lx, &temp, x);
+	ldbl_extract_mantissa(&hy, &ly, &temp, y);
 
     /* set up {hx,lx}, {hy,ly} and align y to x */
 	if(ix >= -1022)
@@ -85,8 +77,8 @@ static long double one = 1.0, Zero[] = {0.0, -0.0,};
 	else {		/* subnormal x, shift x to normal */
 	    n = -1022-ix;
 	    if(n<=63) {
-	        hx = (hx<<n)|(lx>>(64-n));
-	        lx <<= n;
+		hx = (hx<<n)|(lx>>(64-n));
+		lx <<= n;
 	    } else {
 		hx = lx<<(n-64);
 		lx = 0;
@@ -97,8 +89,8 @@ static long double one = 1.0, Zero[] = {0.0, -0.0,};
 	else {		/* subnormal y, shift y to normal */
 	    n = -1022-iy;
 	    if(n<=63) {
-	        hy = (hy<<n)|(ly>>(64-n));
-	        ly <<= n;
+		hy = (hy<<n)|(ly>>(64-n));
+		ly <<= n;
 	    } else {
 		hy = ly<<(n-64);
 		ly = 0;
@@ -111,16 +103,16 @@ static long double one = 1.0, Zero[] = {0.0, -0.0,};
 	    hz=hx-hy;lz=lx-ly; if(lx<ly) hz -= 1;
 	    if(hz<0){hx = hx+hx+(lx>>63); lx = lx+lx;}
 	    else {
-	    	if((hz|(lz&0x7fffffffffffffff))==0) 		/* return sign(x)*0 */
+		if((hz|(lz&0x7fffffffffffffff))==0)		/* return sign(x)*0 */
 		    return Zero[(u_int64_t)sx>>63];
-	    	hx = hz+hz+(lz>>63); lx = lz+lz;
+		hx = hz+hz+(lz>>63); lx = lz+lz;
 	    }
 	}
 	hz=hx-hy;lz=lx-ly; if(lx<ly) hz -= 1;
 	if(hz>=0) {hx=hz;lx=lz;}
 
     /* convert back to floating value and restore the sign */
-	if((hx|(lx&0x7fffffffffffffff))==0) 			/* return sign(x)*0 */
+	if((hx|(lx&0x7fffffffffffffff))==0)			/* return sign(x)*0 */
 	    return Zero[(u_int64_t)sx>>63];
 	while(hx<0x0001000000000000LL) {	/* normalize x */
 	    hx = hx+hx+(lx>>63); lx = lx+lx;
@@ -143,3 +135,4 @@ static long double one = 1.0, Zero[] = {0.0, -0.0,};
 	}
 	return x;		/* exact output */
 }
+strong_alias (__ieee754_fmodl, __fmodl_finite)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c b/sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c
index 03bcb2129a..f20ea9e057 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c
@@ -1,8 +1,8 @@
 /* Implementation of gamma function according to ISO C.
-   Copyright (C) 1997,1999,2002,2004,2006 Free Software Foundation, Inc.
+   Copyright (C) 1997,1999,2002,2004,2006,2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
-   		  Jakub Jelinek <jj@ultra.linux.cz, 1999.
+		  Jakub Jelinek <jj@ultra.linux.cz, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -56,3 +56,4 @@ __ieee754_gammal_r (long double x, int *signgamp)
   /* XXX FIXME.  */
   return __ieee754_expl (__ieee754_lgammal_r (x, signgamp));
 }
+strong_alias (__ieee754_gammal_r, __gammal_r_finite)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_hypotl.c b/sysdeps/ieee754/ldbl-128ibm/e_hypotl.c
index 4330f28b93..4ef076741f 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_hypotl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_hypotl.c
@@ -10,10 +10,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_hypotl.c,v 1.9 1995/05/12 04:57:27 jtc Exp $";
-#endif
-
 /* __ieee754_hypotl(x,y)
  *
  * Method :
@@ -42,8 +38,8 @@ static char rcsid[] = "$NetBSD: e_hypotl.c,v 1.9 1995/05/12 04:57:27 jtc Exp $";
  *	hypotl(x,y) is NAN if x or y is NAN.
  *
  * Accuracy:
- * 	hypotl(x,y) returns sqrtl(x^2+y^2) with error less
- * 	than 1 ulps (units in the last place)
+ *	hypotl(x,y) returns sqrtl(x^2+y^2) with error less
+ *	than 1 ulps (units in the last place)
  */
 
 #include "math.h"
@@ -52,12 +48,8 @@ static char rcsid[] = "$NetBSD: e_hypotl.c,v 1.9 1995/05/12 04:57:27 jtc Exp $";
 static const long double two600 = 0x1.0p+600L;
 static const long double two1022 = 0x1.0p+1022L;
 
-#ifdef __STDC__
-	long double __ieee754_hypotl(long double x, long double y)
-#else
-	long double __ieee754_hypotl(x,y)
-	long double x, y;
-#endif
+long double
+__ieee754_hypotl(long double x, long double y)
 {
 	long double a,b,t1,t2,y1,y2,w,kld;
 	int64_t j,k,ha,hb;
@@ -93,7 +85,7 @@ static const long double two1022 = 0x1.0p+1022L;
 	}
 	if(hb < 0x20b0000000000000LL) {	/* b < 2**-500 */
 	    if(hb <= 0x000fffffffffffffLL) {	/* subnormal b or 0 */
-	        u_int64_t low;
+		u_int64_t low;
 		GET_LDOUBLE_LSW64(low,b);
 		if((hb|(low&0x7fffffffffffffffLL))==0) return a;
 		t1=two1022;	/* t1=2^1022 */
@@ -102,7 +94,7 @@ static const long double two1022 = 0x1.0p+1022L;
 		k -= 1022;
 		kld = kld / two1022;
 	    } else {		/* scale a and b by 2^600 */
-	        ha += 0x2580000000000000LL; 	/* a *= 2^600 */
+		ha += 0x2580000000000000LL;	/* a *= 2^600 */
 		hb += 0x2580000000000000LL;	/* b *= 2^600 */
 		k -= 600;
 		a *= two600;
@@ -129,3 +121,4 @@ static const long double two1022 = 0x1.0p+1022L;
 	else
 	    return w;
 }
+strong_alias (__ieee754_hypotl, __hypotl_finite)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_log10l.c b/sysdeps/ieee754/ldbl-128ibm/e_log10l.c
index 27e2c71b8d..de57be39d9 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_log10l.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_log10l.c
@@ -179,8 +179,7 @@ deval (long double x, const long double *p, int n)
 
 
 long double
-__ieee754_log10l (x)
-     long double x;
+__ieee754_log10l (long double x)
 {
   long double z;
   long double y;
@@ -256,3 +255,4 @@ done:
   z += e * L102A;
   return (z);
 }
+strong_alias (__ieee754_log10l, __log10l_finite)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_log2l.c b/sysdeps/ieee754/ldbl-128ibm/e_log2l.c
index fe8a8e1d6c..9737e13f0e 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_log2l.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_log2l.c
@@ -248,3 +248,4 @@ done:
   z += e;
   return (z);
 }
+strong_alias (__ieee754_log2l, __log2l_finite)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_logl.c b/sysdeps/ieee754/ldbl-128ibm/e_logl.c
index aa5fc3740f..6832608069 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_logl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_logl.c
@@ -253,7 +253,7 @@ __ieee754_logl(long double x)
       /* log(u) = log( t u/t ) = log(t) + log(u/t)
 	 log(t) is tabulated in the lookup table.
 	 Express log(u/t) = log(1+z),  where z = u/t - 1 = (u-t)/t.
-         cf. Cody & Waite. */
+	 cf. Cody & Waite. */
       z = (u.value - t.value) / t.value;
     }
   /* Series expansion of log(1+z).  */
@@ -279,3 +279,4 @@ __ieee754_logl(long double x)
   y += e * ln2a;
   return y;
 }
+strong_alias (__ieee754_logl, __logl_finite)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_powl.c b/sysdeps/ieee754/ldbl-128ibm/e_powl.c
index feeaa8ce21..9b1f2be1d0 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_powl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_powl.c
@@ -144,14 +144,8 @@ static const long double
   cp_h = 9.6179669392597555432899980587535537779331E-1L,
   cp_l = 5.0577616648125906047157785230014751039424E-17L;
 
-#ifdef __STDC__
 long double
 __ieee754_powl (long double x, long double y)
-#else
-long double
-__ieee754_powl (x, y)
-     long double x, y;
-#endif
 {
   long double z, ax, z_h, z_l, p_h, p_l;
   long double y1, t1, t2, r, s, t, u, v, w;
@@ -390,7 +384,7 @@ __ieee754_powl (x, y)
     {
       /* if z > 16384 */
       if (((j - 0x40d00000) | o.parts32.w1
-        | (o.parts32.w2 & 0x7fffffff) | o.parts32.w3) != 0)
+	| (o.parts32.w2 & 0x7fffffff) | o.parts32.w3) != 0)
 	return s * huge * huge;	/* overflow */
       else
 	{
@@ -402,7 +396,7 @@ __ieee754_powl (x, y)
     {
       /* z < -16495 */
       if (((j - 0xc0d01bc0) | o.parts32.w1
-         | (o.parts32.w2 & 0x7fffffff) | o.parts32.w3) != 0)
+	 | (o.parts32.w2 & 0x7fffffff) | o.parts32.w3) != 0)
 	return s * tiny * tiny;	/* underflow */
       else
 	{
@@ -439,3 +433,4 @@ __ieee754_powl (x, y)
   z = __scalbnl (z, n);
   return s * z;
 }
+strong_alias (__ieee754_powl, __powl_finite)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_remainderl.c b/sysdeps/ieee754/ldbl-128ibm/e_remainderl.c
index b7fa68f32a..d4a847dbed 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_remainderl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_remainderl.c
@@ -14,8 +14,8 @@
 
 /* __ieee754_remainderl(x,p)
  * Return :
- * 	returns  x REM p  =  x - [x/p]*p as if in infinite
- * 	precise arithmetic, where [x/p] is the (infinite bit)
+ *	returns  x REM p  =  x - [x/p]*p as if in infinite
+ *	precise arithmetic, where [x/p] is the (infinite bit)
  *	integer nearest x/p (in half way case choose the even one).
  * Method :
  *	Based on fmodl() return x-[x/p]chopped*p exactlp.
@@ -24,19 +24,11 @@
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double zero = 0.0L;
-#else
-static long double zero = 0.0L;
-#endif
 
 
-#ifdef __STDC__
-	long double __ieee754_remainderl(long double x, long double p)
-#else
-	long double __ieee754_remainderl(x,p)
-	long double x,p;
-#endif
+long double
+__ieee754_remainderl(long double x, long double p)
 {
 	int64_t hx,hp;
 	u_int64_t sx,lx,lp;
@@ -49,7 +41,7 @@ static long double zero = 0.0L;
 	hx &= 0x7fffffffffffffffLL;
 
     /* purge off exception values */
-	if((hp|(lp&0x7fffffffffffffff))==0) return (x*p)/(x*p); 	/* p = 0 */
+	if((hp|(lp&0x7fffffffffffffff))==0) return (x*p)/(x*p);	/* p = 0 */
 	if((hx>=0x7ff0000000000000LL)||			/* x not finite */
 	  ((hp>=0x7ff0000000000000LL)&&			/* p is NaN */
 	  (((hp-0x7ff0000000000000LL)|lp)!=0)))
@@ -76,3 +68,4 @@ static long double zero = 0.0L;
 	SET_LDOUBLE_MSW64(x,hx^sx);
 	return x;
 }
+strong_alias (__ieee754_remainderl, __remainderl_finite)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_sinhl.c b/sysdeps/ieee754/ldbl-128ibm/e_sinhl.c
index 38ae71d4b7..b8e86b1a6b 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_sinhl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_sinhl.c
@@ -10,18 +10,14 @@
  */
 
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_sinh.c,v 1.7 1995/05/10 20:46:13 jtc Exp $";
-#endif
-
 /* __ieee754_sinh(x)
  * Method :
  * mathematically sinh(x) if defined to be (exp(x)-exp(-x))/2
  *	1. Replace x by |x| (sinh(-x) = -sinh(x)).
  *	2.
- *		                                    E + E/(E+1)
+ *						    E + E/(E+1)
  *	    0        <= x <= 22     :  sinh(x) := --------------, E=expm1(x)
- *			       			        2
+ *							2
  *
  *	    22       <= x <= lnovft :  sinh(x) := exp(x)/2
  *	    lnovft   <= x <= ln2ovft:  sinh(x) := exp(x/2)/2 * exp(x/2)
@@ -35,18 +31,10 @@ static char rcsid[] = "$NetBSD: e_sinh.c,v 1.7 1995/05/10 20:46:13 jtc Exp $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double one = 1.0, shuge = 1.0e307;
-#else
-static long double one = 1.0, shuge = 1.0e307;
-#endif
 
-#ifdef __STDC__
-	long double __ieee754_sinhl(long double x)
-#else
-	long double __ieee754_sinhl(x)
-	long double x;
-#endif
+long double
+__ieee754_sinhl(long double x)
 {
 	long double t,w,h;
 	int64_t ix,jx;
@@ -62,7 +50,7 @@ static long double one = 1.0, shuge = 1.0e307;
 	if (jx<0) h = -h;
     /* |x| in [0,22], return sign(x)*0.5*(E+E/(E+1))) */
 	if (ix < 0x4036000000000000LL) {	/* |x|<22 */
-	    if (ix<0x3e20000000000000LL) 	/* |x|<2**-29 */
+	    if (ix<0x3e20000000000000LL)	/* |x|<2**-29 */
 		if(shuge+x>one) return x;/* sinhl(tiny) = tiny with inexact */
 	    t = __expm1l(fabsl(x));
 	    if(ix<0x3ff0000000000000LL) return h*(2.0*t-t*t/(t+one));
@@ -82,3 +70,4 @@ static long double one = 1.0, shuge = 1.0e307;
     /* |x| > overflowthresold, sinh(x) overflow */
 	return x*shuge;
 }
+strong_alias (__ieee754_sinhl, __sinhl_finite)
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_sqrtl.c b/sysdeps/ieee754/ldbl-128ibm/e_sqrtl.c
index fe6bb55b07..68aa18f554 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_sqrtl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_sqrtl.c
@@ -1,7 +1,7 @@
 /*
  * IBM Accurate Mathematical Library
  * written by International Business Machines Corp.
- * Copyright (C) 2001, 2004, 2006 Free Software Foundation
+ * Copyright (C) 2001, 2004, 2006, 2011 Free Software Foundation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published by
@@ -50,7 +50,7 @@ twom54 = 5.55111512312578270212e-17; /* 0x3C90000000000000 */
 /* it computes the correctly rounded (to nearest) value of square    */
 /* root of x.                                                        */
 /*********************************************************************/
-long double __ieee754_sqrtl(long double x) 
+long double __ieee754_sqrtl(long double x)
 {
   static const long double big = 134217728.0, big1 = 134217729.0;
   long double t,s,i;
@@ -107,3 +107,4 @@ long double __ieee754_sqrtl(long double x)
     return tm256.x*__ieee754_sqrtl(x*t512.x);
   }
 }
+strong_alias (__ieee754_sqrtl, __sqrtl_finite)
diff --git a/sysdeps/ieee754/ldbl-96/e_acoshl.c b/sysdeps/ieee754/ldbl-96/e_acoshl.c
index 5d4fa1deda..6f709b7bdf 100644
--- a/sysdeps/ieee754/ldbl-96/e_acoshl.c
+++ b/sysdeps/ieee754/ldbl-96/e_acoshl.c
@@ -14,10 +14,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
-
 /* __ieee754_acoshl(x)
  * Method :
  *	Based on
@@ -35,20 +31,12 @@ static char rcsid[] = "$NetBSD: $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double
-#else
-static long double
-#endif
 one	= 1.0,
 ln2	= 6.931471805599453094287e-01L; /* 0x3FFE, 0xB17217F7, 0xD1CF79AC */
 
-#ifdef __STDC__
-	long double __ieee754_acoshl(long double x)
-#else
-	long double __ieee754_acoshl(x)
-	long double x;
-#endif
+long double
+__ieee754_acoshl(long double x)
 {
 	long double t;
 	u_int32_t se,i0,i1;
@@ -57,7 +45,7 @@ ln2	= 6.931471805599453094287e-01L; /* 0x3FFE, 0xB17217F7, 0xD1CF79AC */
 	    return (x-x)/(x-x);
 	} else if(se >=0x401d) {	/* x > 2**30 */
 	    if(se >=0x7fff) {		/* x is inf of NaN */
-	        return x+x;
+		return x+x;
 	    } else
 		return __ieee754_logl(x)+ln2;	/* acoshl(huge)=logl(2x) */
 	} else if(((se-0x3fff)|i0|i1)==0) {
@@ -70,3 +58,4 @@ ln2	= 6.931471805599453094287e-01L; /* 0x3FFE, 0xB17217F7, 0xD1CF79AC */
 	    return __log1pl(t+__sqrtl(2.0*t+t*t));
 	}
 }
+strong_alias (__ieee754_acoshl, __acoshl_finite)
diff --git a/sysdeps/ieee754/ldbl-96/e_asinl.c b/sysdeps/ieee754/ldbl-96/e_asinl.c
index 1cad623d43..d813039311 100644
--- a/sysdeps/ieee754/ldbl-96/e_asinl.c
+++ b/sysdeps/ieee754/ldbl-96/e_asinl.c
@@ -12,9 +12,9 @@
 /*
   Long double expansions are
   Copyright (C) 2001 Stephen L. Moshier <moshier@na-net.ornl.gov>
-  and are incorporated herein by permission of the author.  The author 
+  and are incorporated herein by permission of the author.  The author
   reserves the right to distribute this material elsewhere under different
-  copying permissions.  These modifications are distributed here under 
+  copying permissions.  These modifications are distributed here under
   the following terms:
 
     This library is free software; you can redistribute it and/or
@@ -45,7 +45,7 @@
  *			= pio2_hi - (2*(s+s*z*R(z)) - pio2_lo)
  *	For x<=0.98, let pio4_hi = pio2_hi/2, then
  *		f = hi part of s;
- *		c = sqrt(z) - f = (z-f*f)/(s+f) 	...f+c=sqrt(z)
+ *		c = sqrt(z) - f = (z-f*f)/(s+f)		...f+c=sqrt(z)
  *	and
  *		asin(x) = pi/2 - 2*(s+s*z*R(z))
  *			= pio4_hi+(pio4-2s)-(2s*z*R(z)-pio2_lo)
@@ -159,3 +159,4 @@ __ieee754_asinl (x)
   else
     return -t;
 }
+strong_alias (__ieee754_asinl, __asinl_finite)
diff --git a/sysdeps/ieee754/ldbl-96/e_atan2l.c b/sysdeps/ieee754/ldbl-96/e_atan2l.c
index 0759458c2f..535d0d6123 100644
--- a/sysdeps/ieee754/ldbl-96/e_atan2l.c
+++ b/sysdeps/ieee754/ldbl-96/e_atan2l.c
@@ -14,15 +14,11 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
-
 /* __ieee754_atan2l(y,x)
  * Method :
  *	1. Reduce y to positive by atan2(y,x)=-atan2(-y,x).
  *	2. Reduce x to positive by (if x and y are unexceptional):
- *		ARG (x+iy) = arctan(y/x)   	   ... if x > 0,
+ *		ARG (x+iy) = arctan(y/x)	   ... if x > 0,
  *		ARG (x+iy) = pi - arctan[y/(-x)]   ... if x < 0,
  *
  * Special cases:
@@ -48,11 +44,7 @@ static char rcsid[] = "$NetBSD: $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double
-#else
-static long double
-#endif
 tiny  = 1.0e-4900L,
 zero  = 0.0,
 pi_o_4  = 7.85398163397448309628202E-01L, /* 0x3FFE, 0xC90FDAA2, 0x2168C235 */
@@ -60,12 +52,8 @@ pi_o_2  = 1.5707963267948966192564E+00L,  /* 0x3FFF, 0xC90FDAA2, 0x2168C235 */
 pi      = 3.14159265358979323851281E+00L, /* 0x4000, 0xC90FDAA2, 0x2168C235 */
 pi_lo   = -5.01655761266833202345176e-20L;/* 0xBFBE, 0xECE675D1, 0xFC8F8CBB */
 
-#ifdef __STDC__
-	long double __ieee754_atan2l(long double y, long double x)
-#else
-	long double __ieee754_atan2l(y,x)
-	long double  y,x;
-#endif
+long double
+__ieee754_atan2l (long double y, long double x)
 {
 	long double z;
 	int32_t k,m,hx,hy,ix,iy;
@@ -87,7 +75,7 @@ pi_lo   = -5.01655761266833202345176e-20L;/* 0xBFBE, 0xECE675D1, 0xFC8F8CBB */
 	if((iy|ly)==0) {
 	    switch(m) {
 		case 0:
-		case 1: return y; 	/* atan(+-0,+anything)=+-0 */
+		case 1: return y;	/* atan(+-0,+anything)=+-0 */
 		case 2: return  pi+tiny;/* atan(+0,-anything) = pi */
 		case 3: return -pi-tiny;/* atan(-0,-anything) =-pi */
 	    }
@@ -118,19 +106,20 @@ pi_lo   = -5.01655761266833202345176e-20L;/* 0xBFBE, 0xECE675D1, 0xFC8F8CBB */
 
     /* compute y/x */
 	k = sy-sx;
-	if(k > 70) z=pi_o_2+0.5*pi_lo; 	/* |y/x| >  2**70 */
-	else if(sx>=0x8000&&k<-70) z=0.0; 	/* |y|/x < -2**70 */
+	if(k > 70) z=pi_o_2+0.5*pi_lo;	/* |y/x| >  2**70 */
+	else if(sx>=0x8000&&k<-70) z=0.0;	/* |y|/x < -2**70 */
 	else z=__atanl(fabsl(y/x));	/* safe to do y/x */
 	switch (m) {
 	    case 0: return       z  ;	/* atan(+,+) */
 	    case 1: {
-	    	      u_int32_t sz;
+		      u_int32_t sz;
 		      GET_LDOUBLE_EXP(sz,z);
 		      SET_LDOUBLE_EXP(z,sz ^ 0x8000);
 		    }
 		    return       z  ;	/* atan(-,+) */
 	    case 2: return  pi-(z-pi_lo);/* atan(+,-) */
 	    default: /* case 3 */
-	    	    return  (z-pi_lo)-pi;/* atan(-,-) */
+		    return  (z-pi_lo)-pi;/* atan(-,-) */
 	}
 }
+strong_alias (__ieee754_atan2l, __atan2l_finite)
diff --git a/sysdeps/ieee754/ldbl-96/e_atanhl.c b/sysdeps/ieee754/ldbl-96/e_atanhl.c
index fdcd1e9fe8..5a2aebef3e 100644
--- a/sysdeps/ieee754/ldbl-96/e_atanhl.c
+++ b/sysdeps/ieee754/ldbl-96/e_atanhl.c
@@ -14,10 +14,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
-
 /* __ieee754_atanhl(x)
  * Method :
  *    1.Reduced x to positive by atanh(-x) = -atanh(x)
@@ -26,7 +22,7 @@ static char rcsid[] = "$NetBSD: $";
  *	atanhl(x) = --- * log(1 + -------) = 0.5 * log1p(2 * --------)
  *                   2             1 - x                      1 - x
  *
- * 	For x<0.5
+ *	For x<0.5
  *	atanhl(x) = 0.5*log1pl(2x+2x*x/(1-x))
  *
  * Special cases:
@@ -39,24 +35,12 @@ static char rcsid[] = "$NetBSD: $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double one = 1.0, huge = 1e4900L;
-#else
-static long double one = 1.0, huge = 1e4900L;
-#endif
 
-#ifdef __STDC__
 static const long double zero = 0.0;
-#else
-static double long zero = 0.0;
-#endif
 
-#ifdef __STDC__
-	long double __ieee754_atanhl(long double x)
-#else
-	long double __ieee754_atanhl(x)
-	long double x;
-#endif
+long double
+__ieee754_atanhl(long double x)
 {
 	long double t;
 	int32_t ix;
@@ -77,3 +61,4 @@ static double long zero = 0.0;
 	    t = 0.5*__log1pl((x+x)/(one-x));
 	if(se<=0x7fff) return t; else return -t;
 }
+strong_alias (__ieee754_atanhl, __atanhl_finite)
diff --git a/sysdeps/ieee754/ldbl-96/e_coshl.c b/sysdeps/ieee754/ldbl-96/e_coshl.c
index 8c38fa4da2..6113f0719f 100644
--- a/sysdeps/ieee754/ldbl-96/e_coshl.c
+++ b/sysdeps/ieee754/ldbl-96/e_coshl.c
@@ -18,13 +18,13 @@ static char rcsid[] = "$NetBSD: e_cosh.c,v 1.7 1995/05/10 20:44:58 jtc Exp $";
  * mathematically coshl(x) if defined to be (exp(x)+exp(-x))/2
  *	1. Replace x by |x| (coshl(x) = coshl(-x)).
  *	2.
- *		                                        [ exp(x) - 1 ]^2
+ *							[ exp(x) - 1 ]^2
  *	    0        <= x <= ln2/2  :  coshl(x) := 1 + -------------------
- *			       			           2*exp(x)
+ *							   2*exp(x)
  *
- *		                                   exp(x) +  1/exp(x)
+ *						   exp(x) +  1/exp(x)
  *	    ln2/2    <= x <= 22     :  coshl(x) := -------------------
- *			       			           2
+ *							   2
  *	    22       <= x <= lnovft :  coshl(x) := expl(x)/2
  *	    lnovft   <= x <= ln2ovft:  coshl(x) := expl(x/2)/2 * expl(x/2)
  *	    ln2ovft  <  x	    :  coshl(x) := huge*huge (overflow)
@@ -37,18 +37,10 @@ static char rcsid[] = "$NetBSD: e_cosh.c,v 1.7 1995/05/10 20:44:58 jtc Exp $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double one = 1.0, half=0.5, huge = 1.0e4900L;
-#else
-static long double one = 1.0, half=0.5, huge = 1.0e4900L;
-#endif
 
-#ifdef __STDC__
-	long double __ieee754_coshl(long double x)
-#else
-	long double __ieee754_coshl(x)
-	long double x;
-#endif
+long double
+__ieee754_coshl (long double x)
 {
 	long double t,w;
 	int32_t ex;
@@ -58,19 +50,17 @@ static long double one = 1.0, half=0.5, huge = 1.0e4900L;
 	GET_LDOUBLE_WORDS(ex,mx,lx,x);
 	ex &= 0x7fff;
 
-    /* x is INF or NaN */
-	if(ex==0x7fff) return x*x;
-
-    /* |x| in [0,0.5*ln2], return 1+expm1l(|x|)^2/(2*expl(|x|)) */
-	if(ex < 0x3ffd || (ex == 0x3ffd && mx < 0xb17217f7u)) {
-	    t = __expm1l(fabsl(x));
-	    w = one+t;
-	    if (ex<0x3fbc) return w;	/* cosh(tiny) = 1 */
-	    return one+(t*t)/(w+w);
-	}
-
-    /* |x| in [0.5*ln2,22], return (exp(|x|)+1/exp(|x|)/2; */
+    /* |x| in [0,22] */
 	if (ex < 0x4003 || (ex == 0x4003 && mx < 0xb0000000u)) {
+	    /* |x| in [0,0.5*ln2], return 1+expm1l(|x|)^2/(2*expl(|x|)) */
+		if(ex < 0x3ffd || (ex == 0x3ffd && mx < 0xb17217f7u)) {
+		    t = __expm1l(fabsl(x));
+		    w = one+t;
+		    if (ex<0x3fbc) return w;	/* cosh(tiny) = 1 */
+		    return one+(t*t)/(w+w);
+		}
+
+	    /* |x| in [0.5*ln2,22], return (exp(|x|)+1/exp(|x|)/2; */
 		t = __ieee754_expl(fabsl(x));
 		return half*t+half/t;
 	}
@@ -88,6 +78,10 @@ static long double one = 1.0, half=0.5, huge = 1.0e4900L;
 	    return t*w;
 	}
 
+    /* x is INF or NaN */
+	if(ex==0x7fff) return x*x;
+
     /* |x| >= log(2*maxdouble), cosh(x) overflow */
 	return huge*huge;
 }
+strong_alias (__ieee754_coshl, __coshl_finite)
diff --git a/sysdeps/ieee754/ldbl-96/e_gammal_r.c b/sysdeps/ieee754/ldbl-96/e_gammal_r.c
index dd956fed95..40c18ea584 100644
--- a/sysdeps/ieee754/ldbl-96/e_gammal_r.c
+++ b/sysdeps/ieee754/ldbl-96/e_gammal_r.c
@@ -1,5 +1,5 @@
 /* Implementation of gamma function according to ISO C.
-   Copyright (C) 1997, 1999, 2001, 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1997,1999,2001,2003,2004,2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -32,25 +32,27 @@ __ieee754_gammal_r (long double x, int *signgamp)
 
   GET_LDOUBLE_WORDS (es, hx, lx, x);
 
-  if (((es & 0x7fff) | hx | lx) == 0)
+  if (__builtin_expect (((es & 0x7fff) | hx | lx) == 0, 0))
     {
       /* Return value for x == 0 is Inf with divide by zero exception.  */
       *signgamp = 0;
       return 1.0 / x;
     }
-  if (es == 0xffffffff && ((hx & 0x7fffffff) | lx) == 0)
+  if (__builtin_expect (es == 0xffffffff && ((hx & 0x7fffffff) | lx) == 0, 0))
     {
       /* x == -Inf.  According to ISO this is NaN.  */
       *signgamp = 0;
       return x - x;
     }
-  if ((es & 0x7fff) == 0x7fff && ((hx & 0x7fffffff) | lx) != 0)
+  if (__builtin_expect ((es & 0x7fff) == 0x7fff, 0)
+      && ((hx & 0x7fffffff) | lx) != 0)
     {
       /* NaN, return it.  */
       *signgamp = 0;
       return x;
     }
-  if ((es & 0x8000) != 0 && x < 0xffffffff && __rintl (x) == x)
+  if (__builtin_expect ((es & 0x8000) != 0, 0)
+      && x < 0xffffffff && __rintl (x) == x)
     {
       /* Return value for integer x < 0 is NaN with invalid exception.  */
       *signgamp = 0;
@@ -60,3 +62,4 @@ __ieee754_gammal_r (long double x, int *signgamp)
   /* XXX FIXME.  */
   return __ieee754_expl (__ieee754_lgammal_r (x, signgamp));
 }
+strong_alias (__ieee754_gammal_r, __gammal_r_finite)
diff --git a/sysdeps/ieee754/ldbl-96/e_hypotl.c b/sysdeps/ieee754/ldbl-96/e_hypotl.c
index 1a40c556dc..a59320b067 100644
--- a/sysdeps/ieee754/ldbl-96/e_hypotl.c
+++ b/sysdeps/ieee754/ldbl-96/e_hypotl.c
@@ -14,10 +14,6 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
-
 /* __ieee754_hypotl(x,y)
  *
  * Method :
@@ -46,8 +42,8 @@ static char rcsid[] = "$NetBSD: $";
  *	hypot(x,y) is NAN if x or y is NAN.
  *
  * Accuracy:
- * 	hypot(x,y) returns sqrt(x^2+y^2) with error less
- * 	than 1 ulps (units in the last place)
+ *	hypot(x,y) returns sqrt(x^2+y^2) with error less
+ *	than 1 ulps (units in the last place)
  */
 
 #include "math.h"
@@ -72,7 +68,7 @@ static char rcsid[] = "$NetBSD: $";
 	SET_LDOUBLE_EXP(b,eb);	/* b <- |b| */
 	if((ea-eb)>0x46) {return a+b;} /* x/y > 2**70 */
 	k=0;
-	if(ea > 0x5f3f) {	/* a>2**8000 */
+	if(__builtin_expect(ea > 0x5f3f,0)) {	/* a>2**8000 */
 	   if(ea == 0x7fff) {	/* Inf or NaN */
 	       u_int32_t exp,high,low;
 	       w = a+b;			/* for sNaN */
@@ -87,9 +83,9 @@ static char rcsid[] = "$NetBSD: $";
 	   SET_LDOUBLE_EXP(a,ea);
 	   SET_LDOUBLE_EXP(b,eb);
 	}
-	if(eb < 0x20bf) {	/* b < 2**-8000 */
+	if(__builtin_expect(eb < 0x20bf, 0)) {	/* b < 2**-8000 */
 	    if(eb == 0) {	/* subnormal b or 0 */
-	        u_int32_t exp,high,low;
+		u_int32_t exp,high,low;
 		GET_LDOUBLE_WORDS(exp,high,low,b);
 		if((high|low)==0) return a;
 		SET_LDOUBLE_WORDS(t1, 0x7ffd, 0, 0);	/* t1=2^16382 */
@@ -97,7 +93,7 @@ static char rcsid[] = "$NetBSD: $";
 		a *= t1;
 		k -= 16382;
 	    } else {		/* scale a and b by 2^9600 */
-	        ea += 0x2580; 	/* a *= 2^9600 */
+		ea += 0x2580;	/* a *= 2^9600 */
 		eb += 0x2580;	/* b *= 2^9600 */
 		k -= 9600;
 		SET_LDOUBLE_EXP(a,ea);
@@ -131,3 +127,4 @@ static char rcsid[] = "$NetBSD: $";
 	    return t1*w;
 	} else return w;
 }
+strong_alias (__ieee754_hypotl, __hypotl_finite)
diff --git a/sysdeps/ieee754/ldbl-96/e_j0l.c b/sysdeps/ieee754/ldbl-96/e_j0l.c
index 12c906bcbc..ce1f0f7563 100644
--- a/sysdeps/ieee754/ldbl-96/e_j0l.c
+++ b/sysdeps/ieee754/ldbl-96/e_j0l.c
@@ -11,9 +11,9 @@
 
 /* Long double expansions are
   Copyright (C) 2001 Stephen L. Moshier <moshier@na-net.ornl.gov>
-  and are incorporated herein by permission of the author.  The author 
+  and are incorporated herein by permission of the author.  The author
   reserves the right to distribute this material elsewhere under different
-  copying permissions.  These modifications are distributed here under 
+  copying permissions.  These modifications are distributed here under
   the following terms:
 
     This library is free software; you can redistribute it and/or
@@ -74,17 +74,9 @@
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static long double pzero (long double), qzero (long double);
-#else
-static long double pzero (), qzero ();
-#endif
 
-#ifdef __STDC__
 static const long double
-#else
-static long double
-#endif
   huge = 1e4930L,
   one = 1.0L,
   invsqrtpi = 5.6418958354775628694807945156077258584405e-1L,
@@ -109,20 +101,10 @@ static long double
    /*   1.000000000000000000000000000000000000000E0L,*/
 };
 
-#ifdef __STDC__
 static const long double zero = 0.0;
-#else
-static long double zero = 0.0;
-#endif
 
-#ifdef __STDC__
 long double
 __ieee754_j0l (long double x)
-#else
-long double
-__ieee754_j0l (x)
-     long double x;
-#endif
 {
   long double z, s, c, ss, cc, r, u, v;
   int32_t ix;
@@ -130,7 +112,7 @@ __ieee754_j0l (x)
 
   GET_LDOUBLE_WORDS (se, i0, i1, x);
   ix = se & 0x7fff;
-  if (ix >= 0x7fff)
+  if (__builtin_expect (ix >= 0x7fff, 0))
     return one / (x * x);
   x = fabsl (x);
   if (ix >= 0x4000)		/* |x| >= 2.0 */
@@ -150,7 +132,7 @@ __ieee754_j0l (x)
        * j0(x) = 1/sqrt(pi) * (P(0,x)*cc - Q(0,x)*ss) / sqrt(x)
        * y0(x) = 1/sqrt(pi) * (P(0,x)*ss + Q(0,x)*cc) / sqrt(x)
        */
-      if (ix > 0x4080)	/* 2^129 */
+      if (__builtin_expect (ix > 0x4080, 0))	/* 2^129 */
 	z = (invsqrtpi * cc) / __ieee754_sqrtl (x);
       else
 	{
@@ -160,7 +142,7 @@ __ieee754_j0l (x)
 	}
       return z;
     }
-  if (ix < 0x3fef) /* |x| < 2**-16 */
+  if (__builtin_expect (ix < 0x3fef, 0)) /* |x| < 2**-16 */
     {
       if (huge + x > one)
 	{			/* raise inexact if x != 0 */
@@ -183,16 +165,13 @@ __ieee754_j0l (x)
       return ((one + u) * (one - u) + z * (r / s));
     }
 }
+strong_alias (__ieee754_j0l, __j0l_finite)
 
 
 /* y0(x) = 2/pi ln(x) J0(x) + U(x^2)/V(x^2)
    0 < x <= 2
    peak relative error 1.7e-21 */
-#ifdef __STDC__
 static const long double
-#else
-static long double
-#endif
 U[6] = {
   -1.054912306975785573710813351985351350861E10L,
   2.520192609749295139432773849576523636127E10L,
@@ -201,11 +180,7 @@ U[6] = {
   -3.440684087134286610316661166492641011539E5L,
   1.005524356159130626192144663414848383774E3L,
 };
-#ifdef __STDC__
 static const long double
-#else
-static long double
-#endif
 V[5] = {
   1.429337283720789610137291929228082613676E11L,
   2.492593075325119157558811370165695013002E9L,
@@ -215,14 +190,8 @@ V[5] = {
   /*  1.000000000000000000000000000000000000000E0L */
 };
 
-#ifdef __STDC__
 long double
 __ieee754_y0l (long double x)
-#else
-long double
-__ieee754_y0l (x)
-     long double x;
-#endif
 {
   long double z, s, c, ss, cc, u, v;
   int32_t ix;
@@ -231,11 +200,11 @@ __ieee754_y0l (x)
   GET_LDOUBLE_WORDS (se, i0, i1, x);
   ix = se & 0x7fff;
   /* Y0(NaN) is NaN, y0(-inf) is Nan, y0(inf) is 0  */
-  if (se & 0x8000)
+  if (__builtin_expect (se & 0x8000, 0))
     return zero / (zero * x);
-  if (ix >= 0x7fff)
+  if (__builtin_expect (ix >= 0x7fff, 0))
     return one / (x + x * x);
-  if ((i0 | i1) == 0)
+  if (__builtin_expect ((i0 | i1) == 0, 0))
     return -HUGE_VALL + x;  /* -inf and overflow exception.  */
   if (ix >= 0x4000)
     {				/* |x| >= 2.0 */
@@ -266,7 +235,7 @@ __ieee754_y0l (x)
 	  else
 	    ss = z / cc;
 	}
-      if (ix > 0x4080)	/* 1e39 */
+      if (__builtin_expect (ix > 0x4080, 0))	/* 1e39 */
 	z = (invsqrtpi * ss) / __ieee754_sqrtl (x);
       else
 	{
@@ -276,7 +245,7 @@ __ieee754_y0l (x)
 	}
       return z;
     }
-  if (ix <= 0x3fde) /* x < 2^-33 */
+  if (__builtin_expect (ix <= 0x3fde, 0)) /* x < 2^-33 */
     {
       z = -7.380429510868722527629822444004602747322E-2L
 	+ tpi * __ieee754_logl (x);
@@ -287,17 +256,14 @@ __ieee754_y0l (x)
   v = V[0] + z * (V[1] + z * (V[2] + z * (V[3] + z * (V[4] + z))));
   return (u / v + tpi * (__ieee754_j0l (x) * __ieee754_logl (x)));
 }
+strong_alias (__ieee754_y0l, __y0l_finite)
 
 /* The asymptotic expansions of pzero is
  *	1 - 9/128 s^2 + 11025/98304 s^4 - ...,	where s = 1/x.
  * For x >= 2, We approximate pzero by
  *	pzero(x) = 1 + s^2 R(s^2) / S(s^2)
  */
-#ifdef __STDC__
 static const long double pR8[7] = {
-#else
-static long double pR8[7] = {
-#endif
   /* 8 <= x <= inf
      Peak relative error 4.62 */
   -4.094398895124198016684337960227780260127E-9L,
@@ -308,11 +274,7 @@ static long double pR8[7] = {
   -5.827178869301452892963280214772398135283E-2L,
   -2.087563267939546435460286895807046616992E-2L,
 };
-#ifdef __STDC__
 static const long double pS8[6] = {
-#else
-static long double pS8[6] = {
-#endif
   5.823145095287749230197031108839653988393E-8L,
   1.279281986035060320477759999428992730280E-5L,
   9.132668954726626677174825517150228961304E-4L,
@@ -322,11 +284,7 @@ static long double pS8[6] = {
   /* 1.000000000000000000000000000000000000000E0L, */
 };
 
-#ifdef __STDC__
 static const long double pR5[7] = {
-#else
-static long double pR5[7] = {
-#endif
   /* 4.54541015625 <= x <= 8
      Peak relative error 6.51E-22 */
   -2.041226787870240954326915847282179737987E-7L,
@@ -337,11 +295,7 @@ static long double pR5[7] = {
   -8.641175552716402616180994954177818461588E-2L,
   -1.354654710097134007437166939230619726157E-2L,
 };
-#ifdef __STDC__
 static const long double pS5[6] = {
-#else
-static long double pS5[6] = {
-#endif
   2.903078099681108697057258628212823545290E-6L,
   3.253948449946735405975737677123673867321E-4L,
   1.181269751723085006534147920481582279979E-2L,
@@ -351,11 +305,7 @@ static long double pS5[6] = {
   /* 1.000000000000000000000000000000000000000E0L, */
 };
 
-#ifdef __STDC__
 static const long double pR3[7] = {
-#else
-static long double pR3[7] = {
-#endif
   /* 2.85711669921875 <= x <= 4.54541015625
      peak relative error 5.25e-21 */
   -5.755732156848468345557663552240816066802E-6L,
@@ -366,11 +316,7 @@ static long double pR3[7] = {
   -1.193350853469302941921647487062620011042E-1L,
   -8.567802507331578894302991505331963782905E-3L,
 };
-#ifdef __STDC__
 static const long double pS3[6] = {
-#else
-static long double pS3[6] = {
-#endif
   8.185931139070086158103309281525036712419E-5L,
   5.398016943778891093520574483111255476787E-3L,
   1.130589193590489566669164765853409621081E-1L,
@@ -380,11 +326,7 @@ static long double pS3[6] = {
   /* 1.000000000000000000000000000000000000000E0L, */
 };
 
-#ifdef __STDC__
 static const long double pR2[7] = {
-#else
-static long double pR2[7] = {
-#endif
   /* 2 <= x <= 2.85711669921875
      peak relative error 2.64e-21 */
   -1.219525235804532014243621104365384992623E-4L,
@@ -395,11 +337,7 @@ static long double pR2[7] = {
   -1.556241316844728872406672349347137975495E-1L,
   -5.355423239526452209595316733635519506958E-3L,
 };
-#ifdef __STDC__
 static const long double pS2[6] = {
-#else
-static long double pS2[6] = {
-#endif
   1.734442793664291412489066256138894953823E-3L,
   7.158111826468626405416300895617986926008E-2L,
   9.153839713992138340197264669867993552641E-1L,
@@ -409,20 +347,10 @@ static long double pS2[6] = {
   /* 1.000000000000000000000000000000000000000E0L, */
 };
 
-#ifdef __STDC__
 static long double
 pzero (long double x)
-#else
-static long double
-pzero (x)
-     long double x;
-#endif
 {
-#ifdef __STDC__
   const long double *p, *q;
-#else
-  long double *p, *q;
-#endif
   long double z, r, s;
   int32_t ix;
   u_int32_t se, i0, i1;
@@ -468,11 +396,7 @@ pzero (x)
  * We approximate qzero by
  *	qzero(x) = s*(-.125 + R(s^2) / S(s^2))
  */
-#ifdef __STDC__
 static const long double qR8[7] = {
-#else
-static long double qR8[7] = {
-#endif
   /* 8 <= x <= inf
      peak relative error 2.23e-21 */
   3.001267180483191397885272640777189348008E-10L,
@@ -483,11 +407,7 @@ static long double qR8[7] = {
   3.881970028476167836382607922840452192636E-2L,
   6.132191514516237371140841765561219149638E-2L,
 };
-#ifdef __STDC__
 static const long double qS8[7] = {
-#else
-static long double qS8[7] = {
-#endif
   4.097730123753051126914971174076227600212E-9L,
   1.199615869122646109596153392152131139306E-6L,
   1.196337580514532207793107149088168946451E-4L,
@@ -498,11 +418,7 @@ static long double qS8[7] = {
   /* 1.000000000000000000000000000000000000000E0L, */
 };
 
-#ifdef __STDC__
 static const long double qR5[7] = {
-#else
-static long double qR5[7] = {
-#endif
   /* 4.54541015625 <= x <= 8
      peak relative error 1.03e-21 */
   3.406256556438974327309660241748106352137E-8L,
@@ -513,11 +429,7 @@ static long double qR5[7] = {
   1.071578819056574524416060138514508609805E-1L,
   7.458950172851611673015774675225656063757E-2L,
 };
-#ifdef __STDC__
 static const long double qS5[7] = {
-#else
-static long double qS5[7] = {
-#endif
   4.650675622764245276538207123618745150785E-7L,
   6.773573292521412265840260065635377164455E-5L,
   3.340711249876192721980146877577806687714E-3L,
@@ -528,11 +440,7 @@ static long double qS5[7] = {
   /* 1.000000000000000000000000000000000000000E0L,*/
 };
 
-#ifdef __STDC__
 static const long double qR3[7] = {
-#else
-static long double qR3[7] = {
-#endif
   /* 2.85711669921875 <= x <= 4.54541015625
      peak relative error 5.24e-21 */
   1.749459596550816915639829017724249805242E-6L,
@@ -543,11 +451,7 @@ static long double qR3[7] = {
   2.538595333972857367655146949093055405072E-1L,
   8.560591367256769038905328596020118877936E-2L,
 };
-#ifdef __STDC__
 static const long double qS3[7] = {
-#else
-static long double qS3[7] = {
-#endif
   2.388596091707517488372313710647510488042E-5L,
   2.048679968058758616370095132104333998147E-3L,
   5.824663198201417760864458765259945181513E-2L,
@@ -558,11 +462,7 @@ static long double qS3[7] = {
   /* 1.000000000000000000000000000000000000000E0L, */
 };
 
-#ifdef __STDC__
 static const long double qR2[7] = {
-#else
-static long double qR2[7] = {
-#endif
   /* 2 <= x <= 2.85711669921875
      peak relative error 1.58e-21  */
   6.306524405520048545426928892276696949540E-5L,
@@ -573,11 +473,7 @@ static long double qR2[7] = {
   5.431871999743531634887107835372232030655E-1L,
   9.447736151202905471899259026430157211949E-2L,
 };
-#ifdef __STDC__
 static const long double qS2[7] = {
-#else
-static long double qS2[7] = {
-#endif
   8.610579901936193494609755345106129102676E-4L,
   4.649054352710496997203474853066665869047E-2L,
   8.104282924459837407218042945106320388339E-1L,
@@ -588,20 +484,10 @@ static long double qS2[7] = {
   /* 1.000000000000000000000000000000000000000E0L, */
 };
 
-#ifdef __STDC__
 static long double
 qzero (long double x)
-#else
-static long double
-qzero (x)
-     long double x;
-#endif
 {
-#ifdef __STDC__
   const long double *p, *q;
-#else
-  long double *p, *q;
-#endif
   long double s, r, z;
   int32_t ix;
   u_int32_t se, i0, i1;
diff --git a/sysdeps/ieee754/ldbl-96/e_j1l.c b/sysdeps/ieee754/ldbl-96/e_j1l.c
index 62a8ce0cb7..369fd830fe 100644
--- a/sysdeps/ieee754/ldbl-96/e_j1l.c
+++ b/sysdeps/ieee754/ldbl-96/e_j1l.c
@@ -11,9 +11,9 @@
 
 /* Long double expansions are
   Copyright (C) 2001 Stephen L. Moshier <moshier@na-net.ornl.gov>
-  and are incorporated herein by permission of the author.  The author 
+  and are incorporated herein by permission of the author.  The author
   reserves the right to distribute this material elsewhere under different
-  copying permissions.  These modifications are distributed here under 
+  copying permissions.  These modifications are distributed here under
   the following terms:
 
     This library is free software; you can redistribute it and/or
@@ -38,17 +38,17 @@
  *	   for x in (0,2)
  *		j1(x) = x/2 + x*z*R0/S0,  where z = x*x;
  *	   for x in (2,inf)
- * 		j1(x) = sqrt(2/(pi*x))*(p1(x)*cos(x1)-q1(x)*sin(x1))
- * 		y1(x) = sqrt(2/(pi*x))*(p1(x)*sin(x1)+q1(x)*cos(x1))
- * 	   where x1 = x-3*pi/4. It is better to compute sin(x1),cos(x1)
+ *		j1(x) = sqrt(2/(pi*x))*(p1(x)*cos(x1)-q1(x)*sin(x1))
+ *		y1(x) = sqrt(2/(pi*x))*(p1(x)*sin(x1)+q1(x)*cos(x1))
+ *	   where x1 = x-3*pi/4. It is better to compute sin(x1),cos(x1)
  *	   as follow:
  *		cos(x1) =  cos(x)cos(3pi/4)+sin(x)sin(3pi/4)
  *			=  1/sqrt(2) * (sin(x) - cos(x))
  *		sin(x1) =  sin(x)cos(3pi/4)-cos(x)sin(3pi/4)
  *			= -1/sqrt(2) * (sin(x) + cos(x))
- * 	   (To avoid cancellation, use
+ *	   (To avoid cancellation, use
  *		sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
- * 	    to compute the worse one.)
+ *	    to compute the worse one.)
  *
  *	3 Special cases
  *		j1(nan)= nan
@@ -66,25 +66,17 @@
  *	   Note: For tiny x, 1/x dominate y1 and hence
  *		y1(tiny) = -2/pi/tiny
  *	3. For x>=2.
- * 		y1(x) = sqrt(2/(pi*x))*(p1(x)*sin(x1)+q1(x)*cos(x1))
- * 	   where x1 = x-3*pi/4. It is better to compute sin(x1),cos(x1)
+ *		y1(x) = sqrt(2/(pi*x))*(p1(x)*sin(x1)+q1(x)*cos(x1))
+ *	   where x1 = x-3*pi/4. It is better to compute sin(x1),cos(x1)
  *	   by method mentioned above.
  */
 
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static long double pone (long double), qone (long double);
-#else
-static long double pone (), qone ();
-#endif
 
-#ifdef __STDC__
 static const long double
-#else
-static long double
-#endif
   huge = 1e4930L,
  one = 1.0L,
  invsqrtpi = 5.6418958354775628694807945156077258584405e-1L,
@@ -110,21 +102,11 @@ R[5] = {
   /*  1.000000000000000000000000000000000000000E0L, */
 };
 
-#ifdef __STDC__
 static const long double zero = 0.0;
-#else
-static long double zero = 0.0;
-#endif
 
 
-#ifdef __STDC__
 long double
 __ieee754_j1l (long double x)
-#else
-long double
-__ieee754_j1l (x)
-     long double x;
-#endif
 {
   long double z, c, r, s, ss, cc, u, v, y;
   int32_t ix;
@@ -132,7 +114,7 @@ __ieee754_j1l (x)
 
   GET_LDOUBLE_WORDS (se, i0, i1, x);
   ix = se & 0x7fff;
-  if (ix >= 0x7fff)
+  if (__builtin_expect (ix >= 0x7fff, 0))
     return one / x;
   y = fabsl (x);
   if (ix >= 0x4000)
@@ -152,7 +134,7 @@ __ieee754_j1l (x)
        * j1(x) = 1/sqrt(pi) * (P(1,x)*cc - Q(1,x)*ss) / sqrt(x)
        * y1(x) = 1/sqrt(pi) * (P(1,x)*ss + Q(1,x)*cc) / sqrt(x)
        */
-      if (ix > 0x4080)
+      if (__builtin_expect (ix > 0x4080, 0))
 	z = (invsqrtpi * cc) / __ieee754_sqrtl (y);
       else
 	{
@@ -165,7 +147,7 @@ __ieee754_j1l (x)
       else
 	return z;
     }
-  if (ix < 0x3fde) /* |x| < 2^-33 */
+  if (__builtin_expect (ix < 0x3fde, 0)) /* |x| < 2^-33 */
     {
       if (huge + x > one)
 	return 0.5 * x;		/* inexact if x!=0 necessary */
@@ -176,16 +158,13 @@ __ieee754_j1l (x)
   r *= x;
   return (x * 0.5 + r / s);
 }
+strong_alias (__ieee754_j1l, __j1l_finite)
 
 
 /* Y1(x) = 2/pi * (log(x) * j1(x) - 1/x) + x R(x^2)
    0 <= x <= 2
    Peak relative error 2.3e-23 */
-#ifdef __STDC__
 static const long double U0[6] = {
-#else
-static long double U0[6] = {
-#endif
   -5.908077186259914699178903164682444848615E10L,
   1.546219327181478013495975514375773435962E10L,
   -6.438303331169223128870035584107053228235E8L,
@@ -193,11 +172,7 @@ static long double U0[6] = {
   -6.138043997084355564619377183564196265471E4L,
   1.418503228220927321096904291501161800215E2L,
 };
-#ifdef __STDC__
 static const long double V0[5] = {
-#else
-static long double V0[5] = {
-#endif
   3.013447341682896694781964795373783679861E11L,
   4.669546565705981649470005402243136124523E9L,
   3.595056091631351184676890179233695857260E7L,
@@ -207,14 +182,8 @@ static long double V0[5] = {
 };
 
 
-#ifdef __STDC__
 long double
 __ieee754_y1l (long double x)
-#else
-long double
-__ieee754_y1l (x)
-     long double x;
-#endif
 {
   long double z, s, c, ss, cc, u, v;
   int32_t ix;
@@ -223,11 +192,11 @@ __ieee754_y1l (x)
   GET_LDOUBLE_WORDS (se, i0, i1, x);
   ix = se & 0x7fff;
   /* if Y1(NaN) is NaN, Y1(-inf) is NaN, Y1(inf) is 0 */
-  if (se & 0x8000)
+  if (__builtin_expect (se & 0x8000, 0))
     return zero / (zero * x);
-  if (ix >= 0x7fff)
+  if (__builtin_expect (ix >= 0x7fff, 0))
     return one / (x + x * x);
-  if ((i0 | i1) == 0)
+  if (__builtin_expect ((i0 | i1) == 0, 0))
     return -HUGE_VALL + x;  /* -inf and overflow exception.  */
   if (ix >= 0x4000)
     {				/* |x| >= 2.0 */
@@ -253,7 +222,7 @@ __ieee754_y1l (x)
        *              sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
        * to compute the worse one.
        */
-      if (ix > 0x4080)
+      if (__builtin_expect (ix > 0x4080, 0))
 	z = (invsqrtpi * ss) / __ieee754_sqrtl (x);
       else
 	{
@@ -263,7 +232,7 @@ __ieee754_y1l (x)
 	}
       return z;
     }
-  if (ix <= 0x3fbe)
+  if (__builtin_expect (ix <= 0x3fbe, 0))
     {				/* x < 2**-65 */
       return (-tpi / x);
     }
@@ -273,12 +242,13 @@ __ieee754_y1l (x)
   return (x * (u / v) +
 	  tpi * (__ieee754_j1l (x) * __ieee754_logl (x) - one / x));
 }
+strong_alias (__ieee754_y1l, __y1l_finite)
 
 
 /* For x >= 8, the asymptotic expansions of pone is
  *	1 + 15/128 s^2 - 4725/2^15 s^4 - ...,	where s = 1/x.
  * We approximate pone by
- * 	pone(x) = 1 + (R/S)
+ *	pone(x) = 1 + (R/S)
  */
 
 /* J1(x) cosX + Y1(x) sinX  =  sqrt( 2/(pi x)) P1(x)
@@ -286,11 +256,7 @@ __ieee754_y1l (x)
    8 <= x <= inf  (0 <= z <= 0.125)
    Peak relative error 5.2e-22  */
 
-#ifdef __STDC__
 static const long double pr8[7] = {
-#else
-static long double pr8[7] = {
-#endif
   8.402048819032978959298664869941375143163E-9L,
   1.813743245316438056192649247507255996036E-6L,
   1.260704554112906152344932388588243836276E-4L,
@@ -299,11 +265,7 @@ static long double pr8[7] = {
   1.131111483254318243139953003461511308672E-1L,
   4.480715825681029711521286449131671880953E-2L,
 };
-#ifdef __STDC__
 static const long double ps8[6] = {
-#else
-static long double ps8[6] = {
-#endif
   7.169748325574809484893888315707824924354E-8L,
   1.556549720596672576431813934184403614817E-5L,
   1.094540125521337139209062035774174565882E-3L,
@@ -317,11 +279,7 @@ static long double ps8[6] = {
    P1(x) = 1 + z^2 R(z^2), z=1/x
    4.54541015625 <= x <= 8
    Peak relative error 7.7e-22  */
-#ifdef __STDC__
 static const long double pr5[7] = {
-#else
-static long double pr5[7] = {
-#endif
   4.318486887948814529950980396300969247900E-7L,
   4.715341880798817230333360497524173929315E-5L,
   1.642719430496086618401091544113220340094E-3L,
@@ -330,11 +288,7 @@ static long double pr5[7] = {
   1.755576530055079253910829652698703791957E-1L,
   3.218803858282095929559165965353784980613E-2L,
 };
-#ifdef __STDC__
 static const long double ps5[6] = {
-#else
-static long double ps5[6] = {
-#endif
   3.685108812227721334719884358034713967557E-6L,
   4.069102509511177498808856515005792027639E-4L,
   1.449728676496155025507893322405597039816E-2L,
@@ -348,11 +302,7 @@ static long double ps5[6] = {
    P1(x) = 1 + z^2 R(z^2), z=1/x
    2.85711669921875 <= x <= 4.54541015625
    Peak relative error 6.5e-21  */
-#ifdef __STDC__
 static const long double pr3[7] = {
-#else
-static long double pr3[7] = {
-#endif
   1.265251153957366716825382654273326407972E-5L,
   8.031057269201324914127680782288352574567E-4L,
   1.581648121115028333661412169396282881035E-2L,
@@ -361,11 +311,7 @@ static long double pr3[7] = {
   2.559223765418386621748404398017602935764E-1L,
   2.277136933287817911091370397134882441046E-2L,
 };
-#ifdef __STDC__
 static const long double ps3[6] = {
-#else
-static long double ps3[6] = {
-#endif
   1.079681071833391818661952793568345057548E-4L,
   6.986017817100477138417481463810841529026E-3L,
   1.429403701146942509913198539100230540503E-1L,
@@ -379,11 +325,7 @@ static long double ps3[6] = {
    P1(x) = 1 + z^2 R(z^2), z=1/x
    2 <= x <= 2.85711669921875
    Peak relative error 3.5e-21  */
-#ifdef __STDC__
 static const long double pr2[7] = {
-#else
-static long double pr2[7] = {
-#endif
   2.795623248568412225239401141338714516445E-4L,
   1.092578168441856711925254839815430061135E-2L,
   1.278024620468953761154963591853679640560E-1L,
@@ -392,11 +334,7 @@ static long double pr2[7] = {
   3.544176317308370086415403567097130611468E-1L,
   1.604142674802373041247957048801599740644E-2L,
 };
-#ifdef __STDC__
 static const long double ps2[6] = {
-#else
-static long double ps2[6] = {
-#endif
   2.385605161555183386205027000675875235980E-3L,
   9.616778294482695283928617708206967248579E-2L,
   1.195215570959693572089824415393951258510E0L,
@@ -407,20 +345,10 @@ static long double ps2[6] = {
 };
 
 
-#ifdef __STDC__
 static long double
 pone (long double x)
-#else
-static long double
-pone (x)
-     long double x;
-#endif
 {
-#ifdef __STDC__
   const long double *p, *q;
-#else
-  long double *p, *q;
-#endif
   long double z, r, s;
   int32_t ix;
   u_int32_t se, i0, i1;
@@ -462,7 +390,7 @@ pone (x)
 /* For x >= 8, the asymptotic expansions of qone is
  *	3/8 s - 105/1024 s^3 - ..., where s = 1/x.
  * We approximate pone by
- * 	qone(x) = s*(0.375 + (R/S))
+ *	qone(x) = s*(0.375 + (R/S))
  */
 
 /* Y1(x)cosX - J1(x)sinX = sqrt( 2/(pi x)) Q1(x),
@@ -470,11 +398,7 @@ pone (x)
    8 <= x <= inf
    Peak relative error 8.3e-22 */
 
-#ifdef __STDC__
 static const long double qr8[7] = {
-#else
-static long double qr8[7] = {
-#endif
   -5.691925079044209246015366919809404457380E-10L,
   -1.632587664706999307871963065396218379137E-7L,
   -1.577424682764651970003637263552027114600E-5L,
@@ -483,11 +407,7 @@ static long double qr8[7] = {
   -6.854943629378084419631926076882330494217E-2L,
   -1.055448290469180032312893377152490183203E-1L,
 };
-#ifdef __STDC__
 static const long double qs8[7] = {
-#else
-static long double qs8[7] = {
-#endif
   5.550982172325019811119223916998393907513E-9L,
   1.607188366646736068460131091130644192244E-6L,
   1.580792530091386496626494138334505893599E-4L,
@@ -502,11 +422,7 @@ static long double qs8[7] = {
    Q1(x) = z(.375 + z^2 R(z^2)), z=1/x
    4.54541015625 <= x <= 8
    Peak relative error 4.1e-22 */
-#ifdef __STDC__
 static const long double qr5[7] = {
-#else
-static long double qr5[7] = {
-#endif
   -6.719134139179190546324213696633564965983E-8L,
   -9.467871458774950479909851595678622044140E-6L,
   -4.429341875348286176950914275723051452838E-4L,
@@ -515,11 +431,7 @@ static long double qr5[7] = {
   -1.964432669771684034858848142418228214855E-1L,
   -1.333896496989238600119596538299938520726E-1L,
 };
-#ifdef __STDC__
 static const long double qs5[7] = {
-#else
-static long double qs5[7] = {
-#endif
   6.552755584474634766937589285426911075101E-7L,
   9.410814032118155978663509073200494000589E-5L,
   4.561677087286518359461609153655021253238E-3L,
@@ -534,11 +446,7 @@ static long double qs5[7] = {
    Q1(x) = z(.375 + z^2 R(z^2)), z=1/x
    2.85711669921875 <= x <= 4.54541015625
    Peak relative error 2.2e-21 */
-#ifdef __STDC__
 static const long double qr3[7] = {
-#else
-static long double qr3[7] = {
-#endif
   -3.618746299358445926506719188614570588404E-6L,
   -2.951146018465419674063882650970344502798E-4L,
   -7.728518171262562194043409753656506795258E-3L,
@@ -547,11 +455,7 @@ static long double qr3[7] = {
   -4.858192581793118040782557808823460276452E-1L,
   -1.592399251246473643510898335746432479373E-1L,
 };
-#ifdef __STDC__
 static const long double qs3[7] = {
-#else
-static long double qs3[7] = {
-#endif
   3.529139957987837084554591421329876744262E-5L,
   2.973602667215766676998703687065066180115E-3L,
   8.273534546240864308494062287908662592100E-2L,
@@ -566,11 +470,7 @@ static long double qs3[7] = {
    Q1(x) = z(.375 + z^2 R(z^2)), z=1/x
    2 <= x <= 2.85711669921875
    Peak relative error 6.9e-22 */
-#ifdef __STDC__
 static const long double qr2[7] = {
-#else
-static long double qr2[7] = {
-#endif
   -1.372751603025230017220666013816502528318E-4L,
   -6.879190253347766576229143006767218972834E-3L,
   -1.061253572090925414598304855316280077828E-1L,
@@ -579,11 +479,7 @@ static long double qr2[7] = {
   -1.087955310491078933531734062917489870754E0L,
   -1.826821119773182847861406108689273719137E-1L,
 };
-#ifdef __STDC__
 static const long double qs2[7] = {
-#else
-static long double qs2[7] = {
-#endif
   1.338768933634451601814048220627185324007E-3L,
   7.071099998918497559736318523932241901810E-2L,
   1.200511429784048632105295629933382142221E0L,
@@ -595,20 +491,10 @@ static long double qs2[7] = {
 };
 
 
-#ifdef __STDC__
 static long double
 qone (long double x)
-#else
-static long double
-qone (x)
-     long double x;
-#endif
 {
-#ifdef __STDC__
   const long double *p, *q;
-#else
-  long double *p, *q;
-#endif
   static long double s, r, z;
   int32_t ix;
   u_int32_t se, i0, i1;
diff --git a/sysdeps/ieee754/ldbl-96/e_jnl.c b/sysdeps/ieee754/ldbl-96/e_jnl.c
index bedff7d566..3a70e10dbe 100644
--- a/sysdeps/ieee754/ldbl-96/e_jnl.c
+++ b/sysdeps/ieee754/ldbl-96/e_jnl.c
@@ -11,9 +11,9 @@
 
 /* Modifications for long double are
   Copyright (C) 2001 Stephen L. Moshier <moshier@na-net.ornl.gov>
-  and are incorporated herein by permission of the author.  The author 
+  and are incorporated herein by permission of the author.  The author
   reserves the right to distribute this material elsewhere under different
-  copying permissions.  These modifications are distributed here under 
+  copying permissions.  These modifications are distributed here under
   the following terms:
 
     This library is free software; you can redistribute it and/or
@@ -59,28 +59,13 @@
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double
-#else
-static long double
-#endif
   invsqrtpi = 5.64189583547756286948079e-1L, two = 2.0e0L, one = 1.0e0L;
 
-#ifdef __STDC__
 static const long double zero = 0.0L;
-#else
-static long double zero = 0.0L;
-#endif
 
-#ifdef __STDC__
 long double
 __ieee754_jnl (int n, long double x)
-#else
-long double
-__ieee754_jnl (n, x)
-     int n;
-     long double x;
-#endif
 {
   u_int32_t se, i0, i1;
   int32_t i, ix, sgn;
@@ -95,7 +80,7 @@ __ieee754_jnl (n, x)
   ix = se & 0x7fff;
 
   /* if J(n,NaN) is NaN */
-  if ((ix == 0x7fff) && ((i0 & 0x7fffffff) != 0))
+  if (__builtin_expect ((ix == 0x7fff) && ((i0 & 0x7fffffff) != 0), 0))
     return x + x;
   if (n < 0)
     {
@@ -109,7 +94,8 @@ __ieee754_jnl (n, x)
     return (__ieee754_j1l (x));
   sgn = (n & 1) & (se >> 15);	/* even n -- 0, odd n -- sign(x) */
   x = fabsl (x);
-  if ((ix | i0 | i1) == 0 || ix >= 0x7fff)	/* if x is 0 or inf */
+  if (__builtin_expect ((ix | i0 | i1) == 0 || ix >= 0x7fff, 0))
+    /* if x is 0 or inf */
     b = zero;
   else if ((long double) n <= x)
     {
@@ -298,16 +284,10 @@ __ieee754_jnl (n, x)
   else
     return b;
 }
+strong_alias (__ieee754_jnl, __jnl_finite)
 
-#ifdef __STDC__
 long double
 __ieee754_ynl (int n, long double x)
-#else
-long double
-__ieee754_ynl (n, x)
-     int n;
-     long double x;
-#endif
 {
   u_int32_t se, i0, i1;
   int32_t i, ix;
@@ -318,11 +298,11 @@ __ieee754_ynl (n, x)
   GET_LDOUBLE_WORDS (se, i0, i1, x);
   ix = se & 0x7fff;
   /* if Y(n,NaN) is NaN */
-  if ((ix == 0x7fff) && ((i0 & 0x7fffffff) != 0))
+  if (__builtin_expect ((ix == 0x7fff) && ((i0 & 0x7fffffff) != 0), 0))
     return x + x;
-  if ((ix | i0 | i1) == 0)
+  if (__builtin_expect ((ix | i0 | i1) == 0, 0))
     return -HUGE_VALL + x;  /* -inf and overflow exception.  */
-  if (se & 0x8000)
+  if (__builtin_expect (se & 0x8000, 0))
     return zero / (zero * x);
   sign = 1;
   if (n < 0)
@@ -334,7 +314,7 @@ __ieee754_ynl (n, x)
     return (__ieee754_y0l (x));
   if (n == 1)
     return (sign * __ieee754_y1l (x));
-  if (ix == 0x7fff)
+  if (__builtin_expect (ix == 0x7fff, 0))
     return zero;
   if (ix >= 0x412D)
     {				/* x > 2**302 */
@@ -393,3 +373,4 @@ __ieee754_ynl (n, x)
   else
     return -b;
 }
+strong_alias (__ieee754_ynl, __ynl_finite)
diff --git a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
index 36e336565c..8a20e5e135 100644
--- a/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
+++ b/sysdeps/ieee754/ldbl-96/e_lgammal_r.c
@@ -94,11 +94,7 @@
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double
-#else
-static long double
-#endif
   half = 0.5L,
   one = 1.0L,
   pi = 3.14159265358979323846264L,
@@ -204,20 +200,10 @@ static long double
   w6 = -1.880801938119376907179E-3L,
   w7 =  4.885026142432270781165E-3L;
 
-#ifdef __STDC__
 static const long double zero = 0.0L;
-#else
-static long double zero = 0.0L;
-#endif
 
-#ifdef __STDC__
 static long double
 sin_pi (long double x)
-#else
-static long double
-sin_pi (x)
-     long double x;
-#endif
 {
   long double y, z;
   int n, ix;
@@ -283,15 +269,8 @@ sin_pi (x)
 }
 
 
-#ifdef __STDC__
 long double
 __ieee754_lgammal_r (long double x, int *signgamp)
-#else
-long double
-__ieee754_lgammal_r (x, signgamp)
-     long double x;
-     int *signgamp;
-#endif
 {
   long double t, y, z, nadj, p, p1, p2, q, r, w;
   int i, ix;
@@ -301,7 +280,7 @@ __ieee754_lgammal_r (x, signgamp)
   GET_LDOUBLE_WORDS (se, i0, i1, x);
   ix = se & 0x7fff;
 
-  if ((ix | i0 | i1) == 0)
+  if (__builtin_expect((ix | i0 | i1) == 0, 0))
     {
       if (se & 0x8000)
 	*signgamp = -1;
@@ -311,10 +290,10 @@ __ieee754_lgammal_r (x, signgamp)
   ix = (ix << 16) | (i0 >> 16);
 
   /* purge off +-inf, NaN, +-0, and negative arguments */
-  if (ix >= 0x7fff0000)
+  if (__builtin_expect(ix >= 0x7fff0000, 0))
     return x * x;
 
-  if (ix < 0x3fc08000) /* 2^-63 */
+  if (__builtin_expect(ix < 0x3fc08000, 0)) /* 2^-63 */
     {				/* |x|<2**-63, return -log(|x|) */
       if (se & 0x8000)
 	{
@@ -438,7 +417,7 @@ __ieee754_lgammal_r (x, signgamp)
       z = one / x;
       y = z * z;
       w = w0 + z * (w1
-          + y * (w2 + y * (w3 + y * (w4 + y * (w5 + y * (w6 + y * w7))))));
+	  + y * (w2 + y * (w3 + y * (w4 + y * (w5 + y * (w6 + y * w7))))));
       r = (x - half) * (t - one) + w;
     }
   else
@@ -448,3 +427,4 @@ __ieee754_lgammal_r (x, signgamp)
     r = nadj - r;
   return r;
 }
+strong_alias (__ieee754_lgammal_r, __lgammal_r_finite)
diff --git a/sysdeps/ieee754/ldbl-96/e_remainderl.c b/sysdeps/ieee754/ldbl-96/e_remainderl.c
index e721a6e8cd..41c4c7b34e 100644
--- a/sysdeps/ieee754/ldbl-96/e_remainderl.c
+++ b/sysdeps/ieee754/ldbl-96/e_remainderl.c
@@ -14,14 +14,10 @@
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
-
 /* __ieee754_remainderl(x,p)
  * Return :
- * 	returns  x REM p  =  x - [x/p]*p as if in infinite
- * 	precise arithmetic, where [x/p] is the (infinite bit)
+ *	returns  x REM p  =  x - [x/p]*p as if in infinite
+ *	precise arithmetic, where [x/p] is the (infinite bit)
  *	integer nearest x/p (in half way case choose the even one).
  * Method :
  *	Based on fmod() return x-[x/p]chopped*p exactlp.
@@ -30,19 +26,11 @@ static char rcsid[] = "$NetBSD: $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double zero = 0.0;
-#else
-static long double zero = 0.0;
-#endif
 
 
-#ifdef __STDC__
-	long double __ieee754_remainderl(long double x, long double p)
-#else
-	long double __ieee754_remainderl(x,p)
-	long double x,p;
-#endif
+long double
+__ieee754_remainderl(long double x, long double p)
 {
 	u_int32_t sx,sex,sep,x0,x1,p0,p1;
 	long double p_half;
@@ -54,7 +42,7 @@ static long double zero = 0.0;
 	sex &= 0x7fff;
 
     /* purge off exception values */
-	if((sep|p0|p1)==0) return (x*p)/(x*p); 	/* p = 0 */
+	if((sep|p0|p1)==0) return (x*p)/(x*p);	/* p = 0 */
 	if((sex==0x7fff)||			/* x not finite */
 	  ((sep==0x7fff)&&			/* p is NaN */
 	   ((p0|p1)!=0)))
@@ -81,3 +69,4 @@ static long double zero = 0.0;
 	SET_LDOUBLE_EXP(x,sex^sx);
 	return x;
 }
+strong_alias (__ieee754_remainderl, __remainderl_finite)
diff --git a/sysdeps/ieee754/ldbl-96/e_sinhl.c b/sysdeps/ieee754/ldbl-96/e_sinhl.c
index 646d4fde82..8593272406 100644
--- a/sysdeps/ieee754/ldbl-96/e_sinhl.c
+++ b/sysdeps/ieee754/ldbl-96/e_sinhl.c
@@ -23,9 +23,9 @@ static char rcsid[] = "$NetBSD: $";
  * mathematically sinh(x) if defined to be (exp(x)-exp(-x))/2
  *	1. Replace x by |x| (sinhl(-x) = -sinhl(x)).
  *	2.
- *		                                     E + E/(E+1)
+ *						     E + E/(E+1)
  *	    0        <= x <= 25     :  sinhl(x) := --------------, E=expm1l(x)
- *			       			         2
+ *							 2
  *
  *	    25       <= x <= lnovft :  sinhl(x) := expl(x)/2
  *	    lnovft   <= x <= ln2ovft:  sinhl(x) := expl(x/2)/2 * expl(x/2)
@@ -39,18 +39,10 @@ static char rcsid[] = "$NetBSD: $";
 #include "math.h"
 #include "math_private.h"
 
-#ifdef __STDC__
 static const long double one = 1.0, shuge = 1.0e4931L;
-#else
-static long double one = 1.0, shuge = 1.0e4931L;
-#endif
 
-#ifdef __STDC__
-	long double __ieee754_sinhl(long double x)
-#else
-	long double __ieee754_sinhl(x)
-	long double x;
-#endif
+long double
+__ieee754_sinhl(long double x)
 {
 	long double t,w,h;
 	u_int32_t jx,ix,i0,i1;
@@ -60,13 +52,13 @@ static long double one = 1.0, shuge = 1.0e4931L;
 	ix = jx&0x7fff;
 
     /* x is INF or NaN */
-	if(ix==0x7fff) return x+x;
+	if(__builtin_expect(ix==0x7fff, 0)) return x+x;
 
 	h = 0.5;
 	if (jx & 0x8000) h = -h;
     /* |x| in [0,25], return sign(x)*0.5*(E+E/(E+1))) */
 	if (ix < 0x4003 || (ix == 0x4003 && i0 <= 0xc8000000)) { /* |x|<25 */
-	    if (ix<0x3fdf) 		/* |x|<2**-32 */
+	    if (ix<0x3fdf)		/* |x|<2**-32 */
 		if(shuge+x>one) return x;/* sinh(tiny) = tiny with inexact */
 	    t = __expm1l(fabsl(x));
 	    if(ix<0x3fff) return h*(2.0*t-t*t/(t+one));
@@ -89,3 +81,4 @@ static long double one = 1.0, shuge = 1.0e4931L;
     /* |x| > overflowthreshold, sinhl(x) overflow */
 	return x*shuge;
 }
+strong_alias (__ieee754_sinhl, __sinhl_finite)
diff --git a/sysdeps/ieee754/ldbl-96/s_asinhl.c b/sysdeps/ieee754/ldbl-96/s_asinhl.c
index 6eb434c44b..9f37d48842 100644
--- a/sysdeps/ieee754/ldbl-96/s_asinhl.c
+++ b/sysdeps/ieee754/ldbl-96/s_asinhl.c
@@ -52,19 +52,21 @@ huge=  1.000000000000000000e+4900L;
 	int32_t hx,ix;
 	GET_LDOUBLE_EXP(hx,x);
 	ix = hx&0x7fff;
-	if(ix==0x7fff) return x+x;	/* x is inf or NaN */
-	if(ix< 0x3fde) {	/* |x|<2**-34 */
+	if(__builtin_expect(ix< 0x3fde, 0)) {	/* |x|<2**-34 */
 	    if(huge+x>one) return x;	/* return x inexact except 0 */
 	}
-	if(ix>0x4020) {		/* |x| > 2**34 */
+	if(__builtin_expect(ix>0x4020,0)) {		/* |x| > 2**34 */
+	    if(ix==0x7fff) return x+x;	/* x is inf or NaN */
 	    w = __ieee754_logl(fabsl(x))+ln2;
-	} else if (ix>0x4000) {	/* 2**34 > |x| > 2.0 */
-	    t = fabsl(x);
-	    w = __ieee754_logl(2.0*t+one/(__ieee754_sqrtl(x*x+one)+t));
-	} else {		/* 2.0 > |x| > 2**-28 */
-	    t = x*x;
-	    w =__log1pl(fabsl(x)+t/(one+__ieee754_sqrtl(one+t)));
+	} else {
+	    long double xa = fabsl(x);
+	    if (ix>0x4000) {	/* 2**34 > |x| > 2.0 */
+		w = __ieee754_logl(2.0*xa+one/(__ieee754_sqrtl(xa*xa+one)+xa));
+	    } else {		/* 2.0 > |x| > 2**-28 */
+		t = xa*xa;
+		w =__log1pl(xa+t/(one+__ieee754_sqrtl(one+t)));
+	    }
 	}
-	if(hx&0x8000) return -w; else return w;
+	return __copysignl(w, x);
 }
 weak_alias (__asinhl, asinhl)
diff --git a/sysdeps/powerpc/fpu/e_hypot.c b/sysdeps/powerpc/fpu/e_hypot.c
index afbcc18e9e..a8d67d875e 100644
--- a/sysdeps/powerpc/fpu/e_hypot.c
+++ b/sysdeps/powerpc/fpu/e_hypot.c
@@ -115,3 +115,4 @@ __ieee754_hypot (double x, double y)
     }
   return __ieee754_sqrt (x * x + y * y);
 }
+strong_alias (__ieee754_hypot, __hypot_finite)
diff --git a/sysdeps/powerpc/fpu/e_hypotf.c b/sysdeps/powerpc/fpu/e_hypotf.c
index 02ad7732b9..915738c4d5 100644
--- a/sysdeps/powerpc/fpu/e_hypotf.c
+++ b/sysdeps/powerpc/fpu/e_hypotf.c
@@ -116,3 +116,4 @@ __ieee754_hypotf (float x, float y)
     }
   return __ieee754_sqrtf (x * x + y * y);
 }
+strong_alias (__ieee754_hypotf, __hypotf_finite)
diff --git a/sysdeps/powerpc/fpu/e_sqrt.c b/sysdeps/powerpc/fpu/e_sqrt.c
index e95b786a00..f9ded25717 100644
--- a/sysdeps/powerpc/fpu/e_sqrt.c
+++ b/sysdeps/powerpc/fpu/e_sqrt.c
@@ -1,5 +1,5 @@
 /* Double-precision floating point square root.
-   Copyright (C) 1997, 2002, 2003, 2004, 2008 Free Software Foundation, Inc.
+   Copyright (C) 1997, 2002-2004, 2008, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -46,21 +46,15 @@ extern const float __t_sqrt[1024];
    generated guesses (which mostly runs on the integer unit, while the
    Newton-Raphson is running on the FPU).  */
 
-#ifdef __STDC__
 double
 __slow_ieee754_sqrt (double x)
-#else
-double
-__slow_ieee754_sqrt (x)
-     double x;
-#endif
 {
   const float inf = a_inf.value;
 
   if (x > 0)
     {
       /* schedule the EXTRACT_WORDS to get separation between the store
-         and the load.  */
+	 and the load.  */
       ieee_double_shape_type ew_u;
       ieee_double_shape_type iw_u;
       ew_u.value = (x);
@@ -147,7 +141,7 @@ __slow_ieee754_sqrt (x)
   else if (x < 0)
     {
       /* For some reason, some PowerPC32 processors don't implement
-         FE_INVALID_SQRT.  */
+	 FE_INVALID_SQRT.  */
 #ifdef FE_INVALID_SQRT
       feraiseexcept (FE_INVALID_SQRT);
 
@@ -160,14 +154,8 @@ __slow_ieee754_sqrt (x)
   return f_wash (x);
 }
 
-#ifdef __STDC__
 double
 __ieee754_sqrt (double x)
-#else
-double
-__ieee754_sqrt (x)
-     double x;
-#endif
 {
   double z;
 
@@ -175,7 +163,7 @@ __ieee754_sqrt (x)
   if (__CPU_HAS_FSQRT)
     {
       /* Volatile is required to prevent the compiler from moving the
-         fsqrt instruction above the branch.  */
+	 fsqrt instruction above the branch.  */
       __asm __volatile ("	fsqrt	%0,%1\n"
 				:"=f" (z):"f" (x));
     }
@@ -184,3 +172,4 @@ __ieee754_sqrt (x)
 
   return z;
 }
+strong_alias (__ieee754_sqrt, __sqrt_finite)
diff --git a/sysdeps/powerpc/fpu/e_sqrtf.c b/sysdeps/powerpc/fpu/e_sqrtf.c
index ca44fac559..965faee842 100644
--- a/sysdeps/powerpc/fpu/e_sqrtf.c
+++ b/sysdeps/powerpc/fpu/e_sqrtf.c
@@ -1,5 +1,5 @@
 /* Single-precision floating point square root.
-   Copyright (C) 1997, 2003, 2004, 2008 Free Software Foundation, Inc.
+   Copyright (C) 1997, 2003, 2004, 2008, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -46,14 +46,8 @@ extern const float __t_sqrt[1024];
    generated guesses (which mostly runs on the integer unit, while the
    Newton-Raphson is running on the FPU).  */
 
-#ifdef __STDC__
 float
 __slow_ieee754_sqrtf (float x)
-#else
-float
-__slow_ieee754_sqrtf (x)
-     float x;
-#endif
 {
   const float inf = a_inf.value;
 
@@ -123,7 +117,7 @@ __slow_ieee754_sqrtf (x)
   else if (x < 0)
     {
       /* For some reason, some PowerPC32 processors don't implement
-         FE_INVALID_SQRT.  */
+	 FE_INVALID_SQRT.  */
 #ifdef FE_INVALID_SQRT
       feraiseexcept (FE_INVALID_SQRT);
 
@@ -137,14 +131,8 @@ __slow_ieee754_sqrtf (x)
 }
 
 
-#ifdef __STDC__
 float
 __ieee754_sqrtf (float x)
-#else
-float
-__ieee754_sqrtf (x)
-     float x;
-#endif
 {
   double z;
 
@@ -152,7 +140,7 @@ __ieee754_sqrtf (x)
   if (__CPU_HAS_FSQRT)
     {
       /* Volatile is required to prevent the compiler from moving the
-         fsqrt instruction above the branch.  */
+	 fsqrt instruction above the branch.  */
       __asm __volatile ("	fsqrts	%0,%1\n"
 				:"=f" (z):"f" (x));
     }
@@ -161,3 +149,4 @@ __ieee754_sqrtf (x)
 
   return z;
 }
+strong_alias (__ieee754_sqrtf, __sqrtf_finite)
diff --git a/sysdeps/powerpc/powerpc64/fpu/e_sqrt.c b/sysdeps/powerpc/powerpc64/fpu/e_sqrt.c
index 0a229cbe27..314abba3b2 100644
--- a/sysdeps/powerpc/powerpc64/fpu/e_sqrt.c
+++ b/sysdeps/powerpc/powerpc64/fpu/e_sqrt.c
@@ -1,5 +1,5 @@
 /* Double-precision floating point square root.
-   Copyright (C) 1997, 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
+   Copyright (C) 1997, 2002-2004, 2006, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -27,3 +27,4 @@ __ieee754_sqrt (double x)
   __asm __volatile ("fsqrt %0,%1" : "=f" (z) : "f" (x));
   return z;
 }
+strong_alias (__ieee754_sqrt, __sqrt_finite)
diff --git a/sysdeps/powerpc/powerpc64/fpu/e_sqrtf.c b/sysdeps/powerpc/powerpc64/fpu/e_sqrtf.c
index 0f17a64a8a..7157214394 100644
--- a/sysdeps/powerpc/powerpc64/fpu/e_sqrtf.c
+++ b/sysdeps/powerpc/powerpc64/fpu/e_sqrtf.c
@@ -1,5 +1,5 @@
 /* Single-precision floating point square root.
-   Copyright (C) 1997, 2003, 2004, 2006 Free Software Foundation, Inc.
+   Copyright (C) 1997, 2003, 2004, 2006, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -27,3 +27,4 @@ __ieee754_sqrtf (float x)
   __asm ("fsqrts %0,%1" : "=f" (z) : "f" (x));
   return z;
 }
+strong_alias (__ieee754_sqrtf, __sqrtf_finite)
diff --git a/sysdeps/s390/fpu/e_sqrt.c b/sysdeps/s390/fpu/e_sqrt.c
index e4b183e4c4..affd3a1a52 100644
--- a/sysdeps/s390/fpu/e_sqrt.c
+++ b/sysdeps/s390/fpu/e_sqrt.c
@@ -1,5 +1,5 @@
-/* Copyright (C) 2004 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+/* Copyright (C) 2004, 2011 Free Software Foundation, Inc.
+   Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -27,3 +27,4 @@ __ieee754_sqrt (double x)
   asm ( "sqdbr %0,%1" : "=f" (res) : "f" (x) );
   return res;
 }
+strong_alias (__ieee754_sqrt, __sqrt_finite)
diff --git a/sysdeps/s390/fpu/e_sqrtf.c b/sysdeps/s390/fpu/e_sqrtf.c
index 5b5e06e8ac..4272f059db 100644
--- a/sysdeps/s390/fpu/e_sqrtf.c
+++ b/sysdeps/s390/fpu/e_sqrtf.c
@@ -1,5 +1,5 @@
-/* Copyright (C) 2004 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+/* Copyright (C) 2004, 2011 Free Software Foundation, Inc.
+   Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -27,3 +27,4 @@ __ieee754_sqrtf (float x)
   asm ( "sqebr %0,%1" : "=f" (res) : "f" (x) );
   return res;
 }
+strong_alias (__ieee754_sqrtf, __sqrtf_finite)
diff --git a/sysdeps/s390/fpu/e_sqrtl.c b/sysdeps/s390/fpu/e_sqrtl.c
index e1daac1974..45d0a0e674 100644
--- a/sysdeps/s390/fpu/e_sqrtl.c
+++ b/sysdeps/s390/fpu/e_sqrtl.c
@@ -1,6 +1,6 @@
 /* Square root.  S/390 FPU version.
-   Copyright (C) 2004, 2006 Free Software Foundation, Inc.
-   Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+   Copyright (C) 2004, 2006, 2011 Free Software Foundation, Inc.
+   Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -28,3 +28,4 @@ __ieee754_sqrtl (long double x)
   asm ( "sqxbr %0,%1" : "=f" (res) : "f" (x) );
   return res;
 }
+strong_alias (__ieee754_sqrtl, __sqrtl_finite)
diff --git a/sysdeps/sparc/sparc32/e_sqrt.c b/sysdeps/sparc/sparc32/e_sqrt.c
index 0be4b6c0cc..5969105a23 100644
--- a/sysdeps/sparc/sparc32/e_sqrt.c
+++ b/sysdeps/sparc/sparc32/e_sqrt.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1997, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -32,3 +32,4 @@ __ieee754_sqrt (x)
   asm ("fsqrtd %1, %0" : "=f" (result) : "f" (x));
   return result;
 }
+strong_alias (__ieee754_sqrt, __sqrt_finite)
diff --git a/sysdeps/sparc/sparc64/fpu/e_sqrtl.c b/sysdeps/sparc/sparc64/fpu/e_sqrtl.c
index 4c3d19a50a..e1479c2e3a 100644
--- a/sysdeps/sparc/sparc64/fpu/e_sqrtl.c
+++ b/sysdeps/sparc/sparc64/fpu/e_sqrtl.c
@@ -1,5 +1,5 @@
 /* Long double square root, sparc64 version.
-   Copyright (C) 2000 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Jakub Jelinek <jakub@redhat.com>, 2000.
 
@@ -29,3 +29,4 @@ __ieee754_sqrtl (long double x)
   _Qp_sqrt (&ret, &x);
   return ret;
 }
+strong_alias (__ieee754_sqrtl, __sqrtl_finite)
diff --git a/sysdeps/x86_64/fpu/bits/fenv.h b/sysdeps/x86_64/fpu/bits/fenv.h
index 11859f00c8..be2518dac3 100644
--- a/sysdeps/x86_64/fpu/bits/fenv.h
+++ b/sysdeps/x86_64/fpu/bits/fenv.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997,1998,1999,2000,2001,2004 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2001,2004,2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -95,3 +95,36 @@ fenv_t;
 /* Floating-point environment where none of the exception is masked.  */
 # define FE_NOMASK_ENV	((__const fenv_t *) -2)
 #endif
+
+
+#ifdef __OPTIMIZE__
+/* Optimized versions.  */
+extern int __feraiseexcept_renamed (int) __asm__ ("feraiseexcept");
+__extern_inline int feraiseexcept (int __excepts)
+{
+  if (__builtin_constant_p (__excepts)
+      && (__excepts & ~(FE_INVALID | FE_DIVBYZERO)) == 0)
+    {
+      if ((FE_INVALID & __excepts) != 0)
+	{
+	  /* One example of a invalid operation is 0.0 / 0.0.  */
+	  float __f = 0.0;
+
+	  __asm__ __volatile__ ("divss %0, %0 " : : "x" (__f));
+	  (void) &__f;
+	}
+      if ((FE_DIVBYZERO & __excepts) != 0)
+	{
+	  float f = 1.0;
+	  float g = 0.0;
+
+	  __asm__ __volatile__ ("divss %1, %0" : : "x" (f), "x" (g));
+	  (void) &f;
+	}
+
+      return 0;
+    }
+
+  return __feraiseexcept_renamed (__excepts);
+}
+#endif
diff --git a/sysdeps/x86_64/fpu/bits/mathinline.h b/sysdeps/x86_64/fpu/bits/mathinline.h
index 780f8786dd..5bdf47ecbf 100644
--- a/sysdeps/x86_64/fpu/bits/mathinline.h
+++ b/sysdeps/x86_64/fpu/bits/mathinline.h
@@ -103,7 +103,8 @@ __NTH (llrint (double __x))
 }
 #  endif
 
-#  if __FINITE_MATH_ONLY__ == 1 && (__WORDSIZE == 64 || defined __SSE2_MATH__)
+#  if defined __FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0 \
+      && (__WORDSIZE == 64 || defined __SSE2_MATH__)
 /* Determine maximum of two values.  */
 __MATH_INLINE float
 __NTH (fmaxf (float __x, float __y))
diff --git a/sysdeps/x86_64/fpu/e_exp2l.S b/sysdeps/x86_64/fpu/e_exp2l.S
index 336b989098..7abf425c7b 100644
--- a/sysdeps/x86_64/fpu/e_exp2l.S
+++ b/sysdeps/x86_64/fpu/e_exp2l.S
@@ -36,3 +36,4 @@ ENTRY(__ieee754_exp2l)
 	fldz				/* Set result to 0.  */
 2:	ret
 END (__ieee754_exp2l)
+strong_alias (__ieee754_exp2l, __exp2l_finite)
diff --git a/sysdeps/x86_64/fpu/e_fmodl.S b/sysdeps/x86_64/fpu/e_fmodl.S
index 2967bf224b..07c50df8d1 100644
--- a/sysdeps/x86_64/fpu/e_fmodl.S
+++ b/sysdeps/x86_64/fpu/e_fmodl.S
@@ -20,3 +20,4 @@ ENTRY(__ieee754_fmodl)
 	fstp	%st(1)
 	ret
 END (__ieee754_fmodl)
+strong_alias (__ieee754_fmodl, __fmodl_finite)
diff --git a/sysdeps/x86_64/fpu/e_log10l.S b/sysdeps/x86_64/fpu/e_log10l.S
index 633234b744..50c58757af 100644
--- a/sysdeps/x86_64/fpu/e_log10l.S
+++ b/sysdeps/x86_64/fpu/e_log10l.S
@@ -10,14 +10,12 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: $")
-
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
-	.align ALIGNARG(4)
+	.p2align 3
 	ASM_TYPE_DIRECTIVE(one,@object)
 one:	.double 1.0
 	ASM_SIZE_DIRECTIVE(one)
@@ -30,9 +28,9 @@ limit:	.double 0.29
 
 
 #ifdef PIC
-#define MO(op) op##(%rip)
+# define MO(op) op##(%rip)
 #else
-#define MO(op) op
+# define MO(op) op
 #endif
 
 	.text
@@ -65,3 +63,20 @@ ENTRY(__ieee754_log10l)
 	fstp	%st(1)
 	ret
 END(__ieee754_log10l)
+
+
+ENTRY(__log10l_finite)
+	fldlg2			// log10(2)
+	fldt	8(%rsp)		// x : log10(2)
+	fld	%st		// x : x : log10(2)
+4:	fsubl	MO(one)		// x-1 : x : log10(2)
+	fld	%st		// x-1 : x-1 : x : log10(2)
+	fabs			// |x-1| : x-1 : x : log10(2)
+	fcompl	MO(limit)	// x-1 : x : log10(2)
+	fnstsw			// x-1 : x : log10(2)
+	andb	$0x45, %ah
+	jz	2b
+	fstp	%st(1)		// x-1 : log10(2)
+	fyl2xp1			// log10(x)
+	ret
+END(__log10l_finite)
diff --git a/sysdeps/x86_64/fpu/e_log2l.S b/sysdeps/x86_64/fpu/e_log2l.S
index f04d30a05a..78dc2d5c0e 100644
--- a/sysdeps/x86_64/fpu/e_log2l.S
+++ b/sysdeps/x86_64/fpu/e_log2l.S
@@ -10,11 +10,11 @@
 #include <machine/asm.h>
 
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
-	.align ALIGNARG(4)
+	.p2align 3
 	ASM_TYPE_DIRECTIVE(one,@object)
 one:	.double 1.0
 	ASM_SIZE_DIRECTIVE(one)
@@ -27,9 +27,9 @@ limit:	.double 0.29
 
 
 #ifdef PIC
-#define MO(op) op##(%rip)
+# define MO(op) op##(%rip)
 #else
-#define MO(op) op
+# define MO(op) op
 #endif
 
 	.text
@@ -62,3 +62,20 @@ ENTRY(__ieee754_log2l)
 	fstp	%st(1)
 	ret
 END (__ieee754_log2l)
+
+
+ENTRY(__log2l_finite)
+	fldl	MO(one)
+	fldt	8(%rsp)		// x : 1
+	fld	%st		// x : x : 1
+	fsub	%st(2), %st	// x-1 : x : 1
+	fld	%st		// x-1 : x-1 : x : 1
+	fabs			// |x-1| : x-1 : x : 1
+	fcompl	MO(limit)	// x-1 : x : 1
+	fnstsw			// x-1 : x : 1
+	andb	$0x45, %ah
+	jz	2b
+	fstp	%st(1)		// x-1 : 1
+	fyl2xp1			// log(x)
+	ret
+END (__log2l_finite)
diff --git a/sysdeps/x86_64/fpu/e_logl.S b/sysdeps/x86_64/fpu/e_logl.S
index 2ba91eedfd..2503b9a013 100644
--- a/sysdeps/x86_64/fpu/e_logl.S
+++ b/sysdeps/x86_64/fpu/e_logl.S
@@ -8,15 +8,13 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: $")
-
 
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
-	.align ALIGNARG(4)
+	.p2align 3
 	ASM_TYPE_DIRECTIVE(one,@object)
 one:	.double 1.0
 	ASM_SIZE_DIRECTIVE(one)
@@ -29,9 +27,9 @@ limit:	.double 0.29
 
 
 #ifdef PIC
-#define MO(op) op##(%rip)
+# define MO(op) op##(%rip)
 #else
-#define MO(op) op
+# define MO(op) op
 #endif
 
 	.text
@@ -64,3 +62,20 @@ ENTRY(__ieee754_logl)
 	fstp	%st(1)
 	ret
 END (__ieee754_logl)
+
+
+ENTRY(__logl_finite)
+	fldln2			// log(2)
+	fldt	8(%rsp)		// x : log(2)
+	fld	%st		// x : x : log(2)
+	fsubl	MO(one)		// x-1 : x : log(2)
+	fld	%st		// x-1 : x-1 : x : log(2)
+	fabs			// |x-1| : x-1 : x : log(2)
+	fcompl	MO(limit)	// x-1 : x : log(2)
+	fnstsw			// x-1 : x : log(2)
+	andb	$0x45, %ah
+	jz	2b
+	fstp	%st(1)		// x-1 : log(2)
+	fyl2xp1			// log(x)
+	ret
+END (__logl_finite)
diff --git a/sysdeps/x86_64/fpu/e_powl.S b/sysdeps/x86_64/fpu/e_powl.S
index a0b1b1df1e..a65c465ec7 100644
--- a/sysdeps/x86_64/fpu/e_powl.S
+++ b/sysdeps/x86_64/fpu/e_powl.S
@@ -22,12 +22,27 @@
 #include <machine/asm.h>
 
 #ifdef __ELF__
-	.section .rodata
+	.section .rodata.cst8,"aM",@progbits,8
 #else
 	.text
 #endif
+	.p2align 3
+	ASM_TYPE_DIRECTIVE(one,@object)
+one:	.double 1.0
+	ASM_SIZE_DIRECTIVE(one)
+	ASM_TYPE_DIRECTIVE(limit,@object)
+limit:	.double 0.29
+	ASM_SIZE_DIRECTIVE(limit)
+	ASM_TYPE_DIRECTIVE(p63,@object)
+p63:	.byte 0, 0, 0, 0, 0, 0, 0xe0, 0x43
+	ASM_SIZE_DIRECTIVE(p63)
 
-	.align ALIGNARG(4)
+#ifdef __ELF__
+	.section .rodata.cst16,"aM",@progbits,16
+#else
+	.text
+#endif
+	.p2align 3
 	ASM_TYPE_DIRECTIVE(infinity,@object)
 inf_zero:
 infinity:
@@ -43,21 +58,11 @@ minfinity:
 mzero:
 	.byte 0, 0, 0, 0, 0, 0, 0, 0x80
 	ASM_SIZE_DIRECTIVE(minf_mzero)
-	ASM_TYPE_DIRECTIVE(one,@object)
-one:	.double 1.0
-	ASM_SIZE_DIRECTIVE(one)
-	ASM_TYPE_DIRECTIVE(limit,@object)
-limit:	.double 0.29
-	ASM_SIZE_DIRECTIVE(limit)
-	ASM_TYPE_DIRECTIVE(p63,@object)
-p63:
-	.byte 0, 0, 0, 0, 0, 0, 0xe0, 0x43
-	ASM_SIZE_DIRECTIVE(p63)
 
 #ifdef PIC
-#define MO(op) op##(%rip)
+# define MO(op) op##(%rip)
 #else
-#define MO(op) op
+# define MO(op) op
 #endif
 
 	.text
@@ -339,3 +344,4 @@ ENTRY(__ieee754_powl)
 	ret
 
 END(__ieee754_powl)
+strong_alias (__ieee754_powl, __powl_finite)
diff --git a/sysdeps/x86_64/fpu/e_remainderl.S b/sysdeps/x86_64/fpu/e_remainderl.S
index 480b1cad8b..4ee0910912 100644
--- a/sysdeps/x86_64/fpu/e_remainderl.S
+++ b/sysdeps/x86_64/fpu/e_remainderl.S
@@ -18,3 +18,4 @@ ENTRY(__ieee754_remainderl)
 	fstp	%st(1)
 	ret
 END (__ieee754_remainderl)
+strong_alias (__ieee754_remainderl, __remainderl_finite)
diff --git a/sysdeps/x86_64/fpu/e_scalbl.S b/sysdeps/x86_64/fpu/e_scalbl.S
index 6b229705ba..5833321a19 100644
--- a/sysdeps/x86_64/fpu/e_scalbl.S
+++ b/sysdeps/x86_64/fpu/e_scalbl.S
@@ -10,8 +10,6 @@
 
 #include <machine/asm.h>
 
-RCSID("$NetBSD: $")
-
 #ifdef __ELF__
 	.section .rodata
 #else
@@ -23,16 +21,15 @@ RCSID("$NetBSD: $")
 zero_nan:
 	.double 0.0
 nan:	.byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
-minus_zero:
 	.byte 0, 0, 0, 0, 0, 0, 0, 0x80
 	.byte 0, 0, 0, 0, 0, 0, 0xff, 0x7f
 	ASM_SIZE_DIRECTIVE(zero_nan)
 
 
 #ifdef PIC
-#define MO(op) op##(%rip)
+# define MO(op) op##(%rip)
 #else
-#define MO(op) op
+# define MO(op) op
 #endif
 
 	.text
@@ -98,3 +95,4 @@ ENTRY(__ieee754_scalbl)
 	fdiv	%st
 	ret
 END(__ieee754_scalbl)
+strong_alias (__ieee754_scalbl, __scalbl_finite)
diff --git a/sysdeps/x86_64/fpu/e_sqrt.c b/sysdeps/x86_64/fpu/e_sqrt.c
index d588a8b10d..99120993fe 100644
--- a/sysdeps/x86_64/fpu/e_sqrt.c
+++ b/sysdeps/x86_64/fpu/e_sqrt.c
@@ -1,5 +1,5 @@
 /* Square root of floating point number.
-   Copyright (C) 2002 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -19,12 +19,14 @@
 
 #include <math_private.h>
 
+#undef __ieee754_sqrt
 double
 __ieee754_sqrt (double x)
 {
   double res;
 
-  asm ("sqrtsd %0, %1" : "=x" (res) : "x" (x));
+  asm ("sqrtsd %1, %0" : "=x" (res) : "xm" (x));
 
   return res;
 }
+strong_alias (__ieee754_sqrt, __sqrt_finite)
diff --git a/sysdeps/x86_64/fpu/e_sqrtf.c b/sysdeps/x86_64/fpu/e_sqrtf.c
index f7801f05d2..dade4f59f4 100644
--- a/sysdeps/x86_64/fpu/e_sqrtf.c
+++ b/sysdeps/x86_64/fpu/e_sqrtf.c
@@ -1,5 +1,5 @@
 /* Square root of floating point number.
-   Copyright (C) 2002 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -19,12 +19,14 @@
 
 #include <math_private.h>
 
+#undef __ieee754_sqrtf
 float
 __ieee754_sqrtf (float x)
 {
   float res;
 
-  asm ("sqrtss %0, %1" : "=x" (res) : "x" (x));
+  asm ("sqrtss %1, %0" : "=x" (res) : "xm" (x));
 
   return res;
 }
+strong_alias (__ieee754_sqrtf, __sqrtf_finite)
diff --git a/sysdeps/x86_64/fpu/math_private.h b/sysdeps/x86_64/fpu/math_private.h
index 37357d317a..523ec549ac 100644
--- a/sysdeps/x86_64/fpu/math_private.h
+++ b/sysdeps/x86_64/fpu/math_private.h
@@ -58,22 +58,35 @@ do {								\
 #endif
 
 #define __isnan(d) \
-  ({ long int __di; EXTRACT_WORDS64 (__di, d);				      \
+  ({ long int __di; EXTRACT_WORDS64 (__di, (double) d);			      \
      (__di & 0x7fffffffffffffffl) > 0x7ff0000000000000l; })
 #define __isnanf(d) \
-  ({ int __di; GET_FLOAT_WORD (__di, d);				      \
+  ({ int __di; GET_FLOAT_WORD (__di, (float) d);			      \
      (__di & 0x7fffffff) > 0x7f800000; })
 
 #define __isinf_ns(d) \
-  ({ long int __di; EXTRACT_WORDS64 (__di, d);				      \
+  ({ long int __di; EXTRACT_WORDS64 (__di, (double) d);			      \
      (__di & 0x7fffffffffffffffl) == 0x7ff0000000000000l; })
 #define __isinf_nsf(d) \
-  ({ int __di; GET_FLOAT_WORD (__di, d);				      \
+  ({ int __di; GET_FLOAT_WORD (__di, (float) d);			      \
      (__di & 0x7fffffff) == 0x7f800000; })
 
 #define __finite(d) \
-  ({ long int __di; EXTRACT_WORDS64 (__di, d);				      \
+  ({ long int __di; EXTRACT_WORDS64 (__di, (double) d);			      \
      (__di & 0x7fffffffffffffffl) < 0x7ff0000000000000l; })
 #define __finitef(d) \
-  ({ int __di; GET_FLOAT_WORD (__di, d);				      \
+  ({ int __di; GET_FLOAT_WORD (__di, (float) d);			      \
      (__di & 0x7fffffff) < 0x7f800000; })
+
+#define __ieee754_sqrt(d) \
+  ({ double __res;							      \
+     asm ("sqrtsd %1, %0" : "=x" (__res) : "xm" ((double) d));		      \
+     __res; })
+#define __ieee754_sqrtf(d) \
+  ({ float __res;							      \
+     asm ("sqrtss %1, %0" : "=x" (__res) : "xm" ((float) d));		      \
+     __res; })
+#define __ieee754_sqrtl(d) \
+  ({ long double __res;							      \
+     asm ("fsqrt" : "=t" (__res) : "0" ((long double) d));		      \
+     __res; })