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This patch converts libm function implementations in math/ from using
weak_alias to using libm_alias_ldouble to define public function
names, in cases where it would be appropriate to define _Float128 /
_Float64x aliases for those functions as well (in cases where either
or both of those types exist and have the same ABI as long double).
This eliminates many ldbl-opt wrappers round these function
implementations.
Tested for x86_64, and with build-many-glibcs.py. All installed
stripped shared libraries are unchanged except for libm.so on
powerpc64le. As noted for a previous patch, powerpc64le's use of
ldbl-opt means various long double functions get defined using
long_double_symbol which gives them an explicit symbol version in the
object files, and this patch results in some such functions using
weak_alias instead (because powerpc64le never had a previous version
of these functions for long double = double); both produce a valid
libm.so with the same public symbols at the same versions, but macros
expanding to call weak_alias is cleaner in this case.
* math/s_fmal.c: Include <libm-alias-ldouble.h>.
(fmal): Define using libm_alias_ldouble.
* math/w_acoshl_compat.c: Include <libm-alias-ldouble.h>.
(acoshl): Define using libm_alias_ldouble.
* math/w_acosl_compat.c: Include <libm-alias-ldouble.h>.
(acosl): Define using libm_alias_ldouble.
* math/w_asinl_compat.c: Include <libm-alias-ldouble.h>.
(asinl): Define using libm_alias_ldouble.
* math/w_atan2l_compat.c: Include <libm-alias-ldouble.h>.
(atan2l): Define using libm_alias_ldouble.
* math/w_atanhl_compat.c: Include <libm-alias-ldouble.h>.
(atanhl): Define using libm_alias_ldouble.
* math/w_coshl_compat.c: Include <libm-alias-ldouble.h>.
(coshl): Define using libm_alias_ldouble.
* math/w_exp10l_compat.c: Include <libm-alias-ldouble.h>.
(exp10l): Define using libm_alias_ldouble.
* math/w_exp2l_compat.c: Include <libm-alias-ldouble.h>.
(exp2l): Define using libm_alias_ldouble.
* math/w_expl_compat.c: Include <libm-alias-ldouble.h>.
(expl): Define using libm_alias_ldouble.
* math/w_fmodl_compat.c: Include <libm-alias-ldouble.h>.
(fmodl): Define using libm_alias_ldouble.
* math/w_hypotl_compat.c: Include <libm-alias-ldouble.h>.
(hypotl): Define using libm_alias_ldouble.
* math/w_j0l_compat.c: Include <libm-alias-ldouble.h>.
(j0l): Define using libm_alias_ldouble.
(y0l): Likewise.
* math/w_j1l_compat.c: Include <libm-alias-ldouble.h>.
(j1l): Define using libm_alias_ldouble.
(y1l): Likewise.
* math/w_jnl_compat.c: Include <libm-alias-ldouble.h>.
(jnl): Define using libm_alias_ldouble.
(ynl): Likewise.
* math/w_log10l_compat.c: Include <libm-alias-ldouble.h>.
(log10l): Define using libm_alias_ldouble.
* math/w_log2l_compat.c: Include <libm-alias-ldouble.h>.
(log2l): Define using libm_alias_ldouble.
* math/w_logl_compat.c: Include <libm-alias-ldouble.h>.
(logl): Define using libm_alias_ldouble.
* math/w_powl_compat.c: Include <libm-alias-ldouble.h>.
(powl): Define using libm_alias_ldouble.
* math/w_remainderl_compat.c: Include <libm-alias-ldouble.h>.
(remainderl): Define using libm_alias_ldouble.
* math/w_sinhl_compat.c: Include <libm-alias-ldouble.h>.
(sinhl): Define using libm_alias_ldouble.
* math/w_sqrtl_compat.c: Include <libm-alias-ldouble.h>.
(sqrtl): Define using libm_alias_ldouble.
* math/w_tgammal_compat.c: Include <libm-alias-ldouble.h>.
(tgammal): Define using libm_alias_ldouble.
* sysdeps/ieee754/ldbl-opt/w_exp10l_compat.c [LIBM_SVID_COMPAT]
(exp10l): Do not use long_double_symbol here.
* sysdeps/ieee754/ldbl-opt/w_remainderl_compat.c
[LIBM_SVID_COMPAT] (remainderl): Likewise.
* sysdeps/ieee754/ldbl-opt/s_fmal.c: Remove.
* sysdeps/ieee754/ldbl-opt/w_acoshl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_acosl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_asinl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_atan2l_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_atanhl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_coshl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_expl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_fmodl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_hypotl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_j0l_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_j1l_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_jnl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_log10l_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_log2l_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_logl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_powl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_sinhl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_sqrtl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_tgammal_compat.c: Likewise.
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