diff options
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | sysdeps/generic/libm-alias-float.h | 35 | ||||
| -rw-r--r-- | sysdeps/generic/math-type-macros-float.h | 6 |
3 files changed, 48 insertions, 0 deletions
@@ -1,3 +1,10 @@ +2017-09-11 Joseph Myers <joseph@codesourcery.com> + + * sysdeps/generic/libm-alias-float.h: New file. + * sysdeps/generic/math-type-macros-float.h: Include + <libm-alias-float.h>. + [!declare_mgen_alias] (declare_mgen_alias): Define macro. + 2017-09-11 H.J. Lu <hongjiu.lu@intel.com> [BZ #22093] diff --git a/sysdeps/generic/libm-alias-float.h b/sysdeps/generic/libm-alias-float.h new file mode 100644 index 0000000000..23f0166697 --- /dev/null +++ b/sysdeps/generic/libm-alias-float.h @@ -0,0 +1,35 @@ +/* Define aliases for libm float functions. + Copyright (C) 2017 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, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _LIBM_ALIAS_FLOAT_H +#define _LIBM_ALIAS_FLOAT_H + +/* Define aliases for a float libm function that has internal name + FROM ## f ## R and public names TO ## suffix ## R for each suffix + of a supported floating-point type with the same format as float. + This should only be used for functions where such public names + exist for _FloatN types, not for implementation-namespace exported + names (where there is one name per format, not per type) or for + obsolescent functions not provided for _FloatN types. */ +#define libm_alias_float_r(from, to, r) \ + weak_alias (from ## f ## r, to ## f ## r) + +/* Likewise, but without the R suffix. */ +#define libm_alias_float(from, to) libm_alias_float_r (from, to, ) + +#endif diff --git a/sysdeps/generic/math-type-macros-float.h b/sysdeps/generic/math-type-macros-float.h index cc8c4b0bcd..b23789f678 100644 --- a/sysdeps/generic/math-type-macros-float.h +++ b/sysdeps/generic/math-type-macros-float.h @@ -30,6 +30,12 @@ the double macro constants. */ #define M_MLIT(c) c +#include <libm-alias-float.h> + +#ifndef declare_mgen_alias +# define declare_mgen_alias(from, to) libm_alias_float (from, to) +#endif + /* Supply the generic macros. */ #include <math-type-macros.h> |