Use libm_alias_double in math/.

This patch converts libm function implementations in math/ from using
weak_alias to using libm_alias_double to define public function names,
in cases where it would be appropriate to define _Float64 / _Float32x
aliases for those functions as well.  This eliminates many
NO_LONG_DOUBLE conditionals and ldbl-opt wrappers round these function
implementations.

Tested for x86_64.  Also tested with build-many-glibcs.py.  Binary
differences seen are that the different order in which remainder and
drem symbols get defined as a result of this patch (the same source
file defines the same aliases, but in a different order of definition)
changes the order of symbols in the final libm.so when long double =
double, and for ldbl-opt configurations, the compat symbols for Bessel
functions were previously defined by e.g. "compat_symbol (libm, j0,
j0l, GLIBC_2_0)", which declares j0l as a compat symbol based on j0
and so makes j0l weak because j0 is weak, and are now defined
(indirectly via the relevant macros) based on e.g. __j0, so are no
longer weak because __j0 isn't weak.

	* math/s_fma.c: Include <libm-alias-double.h>.
	(fma): Define using libm_alias_double.
	* math/s_nextafter.c: Include <libm-alias-double.h>.
	(nextafter): Define using libm_alias_double.
	* math/w_acos_compat.c: Include <libm-alias-double.h>.
	(acos): Define using libm_alias_double.
	* math/w_acosh_compat.c: Include <libm-alias-double.h>.
	(aocsh): Define using libm_alias_double.
	* math/w_asin_compat.c: Include <libm-alias-double.h>.
	(asin): Define using libm_alias_double.
	* math/w_atan2_compat.c: Include <libm-alias-double.h>.
	(atan2): Define using libm_alias_double.
	* math/w_atanh_compat.c: Include <libm-alias-double.h>.
	(atanh): Define using libm_alias_double.
	* math/w_cosh_compat.c: Include <libm-alias-double.h>.
	(cosh): Define using libm_alias_double.
	* math/w_exp10_compat.c: Include <libm-alias-double.h>.
	(exp10): Define using libm_alias_double.
	* math/w_exp2_compat.c: Include <libm-alias-double.h>.
	(exp2): Define using libm_alias_double.
	* math/w_exp_compat.c: Include <libm-alias-double.h>.
	(exp): Define using libm_alias_double.
	* math/w_fmod_compat.c: Include <libm-alias-double.h>.
	(fmod): Define using libm_alias_double.
	* math/w_hypot_compat.c: Include <libm-alias-double.h>.
	(hypot): Define using libm_alias_double.
	* math/w_j0_compat.c: Include <libm-alias-double.h>.
	(j0): Define using libm_alias_double.
	(y0): Likewise.
	* math/w_j1_compat.c: Include <libm-alias-double.h>.
	(j1): Define using libm_alias_double.
	(y1): Likewise.
	* math/w_jn_compat.c: Include <libm-alias-double.h>.
	(jn): Define using libm_alias_double.
	(yn): Likewise.
	* math/w_log10_compat.c: Include <libm-alias-double.h>.
	(log10): Define using libm_alias_double.
	* math/w_log2_compat.c: Include <libm-alias-double.h>.
	(log2): Define using libm_alias_double.
	* math/w_log_compat.c: Include <libm-alias-double.h>.
	(log): Define using libm_alias_double.
	* math/w_pow_compat.c: Include <libm-alias-double.h>.
	(pow): Define using libm_alias_double.
	* math/w_remainder_compat.c: Include <libm-alias-double.h>.
	(remainder): Define using libm_alias_double.
	* math/w_sinh_compat.c: Include <libm-alias-double.h>.
	(sinh): Define using libm_alias_double.
	* math/w_sqrt_compat.c: Include <libm-alias-double.h>.
	(sqrt): Define using libm_alias_double.
	* math/w_tgamma_compat.c: Include <libm-alias-double.h>.
	(tgamma): Define using libm_alias_double.
	* sysdeps/ieee754/ldbl-opt/s_nextafter.c [LONG_DOUBLE_COMPAT(libm,
	GLIBC_2_0)] (nextafterl): Do not define compat symbol here.
	* sysdeps/ieee754/ldbl-opt/w_exp10_compat.c
	[LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)] (exp10l): Likewise.
	* sysdeps/ieee754/ldbl-opt/w_remainder_compat.c
	[LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)] (remainderl): Likewise.
	* sysdeps/ieee754/ldbl-opt/w_acos_compat.c: Remove.
	* sysdeps/ieee754/ldbl-opt/w_acosh_compat.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/w_asin_compat.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/w_atan2_compat.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/w_atanh_compat.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/w_cosh_compat.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/w_exp_compat.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/w_fmod_compat.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/w_hypot_compat.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/w_j0_compat.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/w_j1_compat.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/w_jn_compat.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/w_log10_compat.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/w_log2_compat.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/w_log_compat.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/w_pow_compat.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/w_sinh_compat.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/w_sqrt_compat.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/w_tgamma_compat.c: Likewise.

22 files changed, 0 insertions, 103 deletions

diff --git a/sysdeps/ieee754/ldbl-opt/s_nextafter.c b/sysdeps/ieee754/ldbl-opt/s_nextafter.c
index 78e2c0ff37..e36ade8202 100644
--- a/sysdeps/ieee754/ldbl-opt/s_nextafter.c
+++ b/sysdeps/ieee754/ldbl-opt/s_nextafter.c
@@ -1,8 +1,5 @@
 #include <math_ldbl_opt.h>
 #include <math/s_nextafter.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, __nextafter, nextafterl, GLIBC_2_0);
-#endif
 #if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
 strong_alias (__nextafter, __nexttowardd)
 strong_alias (__nextafter, __nexttowardld)
diff --git a/sysdeps/ieee754/ldbl-opt/w_acos_compat.c b/sysdeps/ieee754/ldbl-opt/w_acos_compat.c
deleted file mode 100644
index 1e6d1b37ec..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_acos_compat.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_acos_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, __acos, acosl, GLIBC_2_0);
-#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_acosh_compat.c b/sysdeps/ieee754/ldbl-opt/w_acosh_compat.c
deleted file mode 100644
index 40da339a7a..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_acosh_compat.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_acosh_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, __acosh, acoshl, GLIBC_2_0);
-#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_asin_compat.c b/sysdeps/ieee754/ldbl-opt/w_asin_compat.c
deleted file mode 100644
index 1c52cc22ad..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_asin_compat.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_asin_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, __asin, asinl, GLIBC_2_0);
-#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_atan2_compat.c b/sysdeps/ieee754/ldbl-opt/w_atan2_compat.c
deleted file mode 100644
index d3f7964d7c..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_atan2_compat.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_atan2_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, __atan2, atan2l, GLIBC_2_0);
-#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_atanh_compat.c b/sysdeps/ieee754/ldbl-opt/w_atanh_compat.c
deleted file mode 100644
index e15ef1f93d..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_atanh_compat.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_atanh_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, __atanh, atanhl, GLIBC_2_0);
-#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_cosh_compat.c b/sysdeps/ieee754/ldbl-opt/w_cosh_compat.c
deleted file mode 100644
index af29735e10..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_cosh_compat.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_cosh_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, __cosh, coshl, GLIBC_2_0);
-#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_exp10_compat.c b/sysdeps/ieee754/ldbl-opt/w_exp10_compat.c
index eb132cfbe5..895411d1ee 100644
--- a/sysdeps/ieee754/ldbl-opt/w_exp10_compat.c
+++ b/sysdeps/ieee754/ldbl-opt/w_exp10_compat.c
@@ -1,7 +1,6 @@
 #include <math_ldbl_opt.h>
 #include <math/w_exp10_compat.c>
 #if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
-compat_symbol (libm, __exp10, exp10l, GLIBC_2_1);
 # if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_27)
 strong_alias (__pow10, __pow10_pow10l)
 compat_symbol (libm, __pow10_pow10l, pow10l, GLIBC_2_1);
diff --git a/sysdeps/ieee754/ldbl-opt/w_exp_compat.c b/sysdeps/ieee754/ldbl-opt/w_exp_compat.c
deleted file mode 100644
index d01fe655ff..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_exp_compat.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_exp_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, __exp, expl, GLIBC_2_0);
-#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_fmod_compat.c b/sysdeps/ieee754/ldbl-opt/w_fmod_compat.c
deleted file mode 100644
index 9280d39d70..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_fmod_compat.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_fmod_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, __fmod, fmodl, GLIBC_2_0);
-#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_hypot_compat.c b/sysdeps/ieee754/ldbl-opt/w_hypot_compat.c
deleted file mode 100644
index b3979ff0f4..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_hypot_compat.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_hypot_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, __hypot, hypotl, GLIBC_2_0);
-#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_j0_compat.c b/sysdeps/ieee754/ldbl-opt/w_j0_compat.c
deleted file mode 100644
index 45b4d14764..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_j0_compat.c
+++ /dev/null
@@ -1,6 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_j0_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, j0, j0l, GLIBC_2_0);
-compat_symbol (libm, y0, y0l, GLIBC_2_0);
-#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_j1_compat.c b/sysdeps/ieee754/ldbl-opt/w_j1_compat.c
deleted file mode 100644
index 1071c8fd6a..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_j1_compat.c
+++ /dev/null
@@ -1,6 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_j1_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, j1, j1l, GLIBC_2_0);
-compat_symbol (libm, y1, y1l, GLIBC_2_0);
-#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_jn_compat.c b/sysdeps/ieee754/ldbl-opt/w_jn_compat.c
deleted file mode 100644
index be29a36041..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_jn_compat.c
+++ /dev/null
@@ -1,6 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_jn_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, jn, jnl, GLIBC_2_0);
-compat_symbol (libm, yn, ynl, GLIBC_2_0);
-#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_log10_compat.c b/sysdeps/ieee754/ldbl-opt/w_log10_compat.c
deleted file mode 100644
index 5ec6a2b2b6..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_log10_compat.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_log10_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, __log10, log10l, GLIBC_2_0);
-#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_log2_compat.c b/sysdeps/ieee754/ldbl-opt/w_log2_compat.c
deleted file mode 100644
index dffd2c183e..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_log2_compat.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_log2_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
-compat_symbol (libm, __log2, log2l, GLIBC_2_1);
-#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_log_compat.c b/sysdeps/ieee754/ldbl-opt/w_log_compat.c
deleted file mode 100644
index d2a2bcadde..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_log_compat.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_log_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, __log, logl, GLIBC_2_0);
-#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_pow_compat.c b/sysdeps/ieee754/ldbl-opt/w_pow_compat.c
deleted file mode 100644
index c2a7942019..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_pow_compat.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_pow_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, __pow, powl, GLIBC_2_0);
-#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_remainder_compat.c b/sysdeps/ieee754/ldbl-opt/w_remainder_compat.c
index c823dcb8e7..8bdea32c02 100644
--- a/sysdeps/ieee754/ldbl-opt/w_remainder_compat.c
+++ b/sysdeps/ieee754/ldbl-opt/w_remainder_compat.c
@@ -1,7 +1,6 @@
 #include <math_ldbl_opt.h>
 #include <math/w_remainder_compat.c>
 #if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, __remainder, remainderl, GLIBC_2_0);
 strong_alias (__remainder, __drem)
 compat_symbol (libm, __drem, dreml, GLIBC_2_0);
 #endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_sinh_compat.c b/sysdeps/ieee754/ldbl-opt/w_sinh_compat.c
deleted file mode 100644
index b47182c017..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_sinh_compat.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_sinh_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, __sinh, sinhl, GLIBC_2_0);
-#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_sqrt_compat.c b/sysdeps/ieee754/ldbl-opt/w_sqrt_compat.c
deleted file mode 100644
index 355d1c20db..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_sqrt_compat.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_sqrt_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, __sqrt, sqrtl, GLIBC_2_0);
-#endif
diff --git a/sysdeps/ieee754/ldbl-opt/w_tgamma_compat.c b/sysdeps/ieee754/ldbl-opt/w_tgamma_compat.c
deleted file mode 100644
index 082ce8aaff..0000000000
--- a/sysdeps/ieee754/ldbl-opt/w_tgamma_compat.c
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <math_ldbl_opt.h>
-#include <math/w_tgamma_compat.c>
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
-compat_symbol (libm, __tgamma, tgammal, GLIBC_2_1);
-#endif