glibc/sysdeps
Joseph Myers 9ac4470888 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.
2017-09-15 23:10:02 +00:00
..
aarch64 Obsolete pow10 functions. 2017-09-01 21:13:18 +00:00
alpha Obsolete pow10 functions. 2017-09-01 21:13:18 +00:00
arm Obsolete pow10 functions. 2017-09-01 21:13:18 +00:00
generic Define and use libm_alias_float128. 2017-09-14 01:11:46 +00:00
gnu posix: Sync glob with gnulib [BZ #1062] 2017-09-08 09:39:13 +02:00
hppa Obsolete pow10 functions. 2017-09-01 21:13:18 +00:00
i386 Remove remaining _HAVE_STRING_ARCH_* definitions (BZ #18858) 2017-09-06 14:35:23 -03:00
ia64 Prefer new libm function wrappers for !LIBM_SVID_COMPAT. 2017-09-05 23:35:55 +00:00
ieee754 Use libm_alias_double in math/. 2017-09-15 23:10:02 +00:00
init_array Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
m68k Simplify HUGE_VAL definitions. 2017-08-31 15:50:50 +00:00
mach hurd: Fix build without NO_HIDDEN 2017-09-12 01:34:19 +02:00
microblaze Obsolete pow10 functions. 2017-09-01 21:13:18 +00:00
mips Obsolete pow10 functions. 2017-09-01 21:13:18 +00:00
nios2 Obsolete pow10 functions. 2017-09-01 21:13:18 +00:00
nptl Remove extra semicolons in struct pthread_mutex (bug 21804) 2017-07-24 12:22:05 +02:00
posix hurd: Fix libc link 2017-09-03 04:36:29 +02:00
powerpc [BZ #21745] powerpc: build some IFUNC math functions for libc and libm 2017-09-15 15:09:19 -03:00
pthread aio: Remove internal_function function attribute 2017-08-31 15:59:06 +02:00
s390 Obsolete pow10 functions. 2017-09-01 21:13:18 +00:00
sh Obsolete pow10 functions. 2017-09-01 21:13:18 +00:00
sparc Define and use libm_alias_double. 2017-09-13 01:13:30 +00:00
tile Obsolete pow10 functions. 2017-09-01 21:13:18 +00:00
unix posix: Fix compat glob code on s390 and alpha 2017-09-13 09:24:12 -03:00
wordsize-32 Build divdi3 only for architecture that required it 2017-04-06 15:14:34 -03:00
wordsize-64 posix: Consolidate Linux glob implementation 2017-09-08 16:34:02 +02:00
x86 x86: Add MathVec_Prefer_No_AVX512 to cpu-features [BZ #21967] 2017-09-12 07:54:47 -07:00
x86_64 x86: Add MathVec_Prefer_No_AVX512 to cpu-features [BZ #21967] 2017-09-12 07:54:47 -07:00