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Support _Float64, _Float32x in libm_alias_double.

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This patch makes the libm_alias_double macros support creating
_Float64 and _Float32x aliases, in preparation for enabling glibc
support for those types.

Tested for x86_64; also tested with build-many-glibcs.py in
conjunction with other _Float64 / _Float32x changes.

	* sysdeps/generic/libm-alias-double.h: Include <bits/floatn.h>.
	(libm_alias_double_other_r_f64): New macro.
	(libm_alias_double_other_r_f32x): Likewise.
	(libm_alias_double_other_r): Use libm_alias_double_other_r_f64 and
	libm_alias_double_other_r_f32x.
	(libm_alias_double_r): Use semicolon before call to
	libm_alias_double_other_r.
	* sysdeps/ieee754/ldbl-opt/libm-alias-double.h: Include
	<bits/floatn.h>.
	(libm_alias_double_other_r_f64): New macro.
	(libm_alias_double_other_r_f32x): Likewise.
	(libm_alias_double_other_r): Use libm_alias_double_other_r_f64 and
	libm_alias_double_other_r_f32x.
This commit is contained in:
Joseph Myers 2017-12-05 16:59:34 +00:00
parent 91c318e7b9
commit f2d64d621e
3 changed files with 55 additions and 4 deletions
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16
ChangeLog
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@ -1,3 +1,19 @@
2017-12-05 Joseph Myers <joseph@codesourcery.com>
* sysdeps/generic/libm-alias-double.h: Include <bits/floatn.h>.
(libm_alias_double_other_r_f64): New macro.
(libm_alias_double_other_r_f32x): Likewise.
(libm_alias_double_other_r): Use libm_alias_double_other_r_f64 and
libm_alias_double_other_r_f32x.
(libm_alias_double_r): Use semicolon before call to
libm_alias_double_other_r.
* sysdeps/ieee754/ldbl-opt/libm-alias-double.h: Include
<bits/floatn.h>.
(libm_alias_double_other_r_f64): New macro.
(libm_alias_double_other_r_f32x): Likewise.
(libm_alias_double_other_r): Use libm_alias_double_other_r_f64 and
libm_alias_double_other_r_f32x.
2017-12-05 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/ieee754/flt-32/s_sinf.c (reduced): Replace long with

24
sysdeps/generic/libm-alias-double.h
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@ -19,11 +19,29 @@
#ifndef _LIBM_ALIAS_DOUBLE_H
#define _LIBM_ALIAS_DOUBLE_H
#include <bits/floatn.h>
#if __HAVE_FLOAT64 && !__HAVE_DISTINCT_FLOAT64
# define libm_alias_double_other_r_f64(from, to, r) \
weak_alias (from ## r, to ## f64 ## r)
#else
# define libm_alias_double_other_r_f64(from, to, r)
#endif
#if __HAVE_FLOAT32X && !__HAVE_DISTINCT_FLOAT32X
# define libm_alias_double_other_r_f32x(from, to, r) \
weak_alias (from ## r, to ## f32x ## r)
#else
# define libm_alias_double_other_r_f32x(from, to, r)
#endif
/* Define _FloatN / _FloatNx aliases for a double libm function that
has internal name FROM ## R and public names TO ## suffix ## R for
each suffix of a supported _FloatN / _FloatNx floating-point type
with the same format as double. */
#define libm_alias_double_other_r(from, to, r)
#define libm_alias_double_other_r(from, to, r) \
libm_alias_double_other_r_f64 (from, to, r); \
libm_alias_double_other_r_f32x (from, to, r)
/* Likewise, but without the R suffix. */
#define libm_alias_double_other(from, to) \
@ -40,11 +58,11 @@
# define libm_alias_double_r(from, to, r) \
weak_alias (from ## r, to ## r) \
strong_alias (from ## r, from ## l ## r) \
weak_alias (from ## r, to ## l ## r) \
weak_alias (from ## r, to ## l ## r); \
libm_alias_double_other_r (from, to, r)
#else
# define libm_alias_double_r(from, to, r) \
weak_alias (from ## r, to ## r) \
weak_alias (from ## r, to ## r); \
libm_alias_double_other_r (from, to, r)
#endif

19
sysdeps/ieee754/ldbl-opt/libm-alias-double.h
View File

@ -19,15 +19,32 @@
#ifndef _LIBM_ALIAS_DOUBLE_H
#define _LIBM_ALIAS_DOUBLE_H
#include <bits/floatn.h>
#include <math_ldbl_opt.h>
#include <first-versions.h>
#include <ldbl-compat-choose.h>
#if __HAVE_FLOAT64 && !__HAVE_DISTINCT_FLOAT64
# define libm_alias_double_other_r_f64(from, to, r) \
weak_alias (from ## r, to ## f64 ## r)
#else
# define libm_alias_double_other_r_f64(from, to, r)
#endif
#if __HAVE_FLOAT32X && !__HAVE_DISTINCT_FLOAT32X
# define libm_alias_double_other_r_f32x(from, to, r) \
weak_alias (from ## r, to ## f32x ## r)
#else
# define libm_alias_double_other_r_f32x(from, to, r)
#endif
/* Define _FloatN / _FloatNx aliases for a double libm function that
has internal name FROM ## R and public names TO ## suffix ## R for
each suffix of a supported _FloatN / _FloatNx floating-point type
with the same format as double. */
#define libm_alias_double_other_r(from, to, r)
#define libm_alias_double_other_r(from, to, r) \
libm_alias_double_other_r_f64 (from, to, r); \
libm_alias_double_other_r_f32x (from, to, r)
/* Likewise, but without the R suffix. */
#define libm_alias_double_other(from, to) \