diff options
Diffstat (limited to 'sysdeps')
64 files changed, 994 insertions, 1 deletions
diff --git a/sysdeps/generic/math-narrow-alias.h b/sysdeps/generic/math-narrow-alias.h new file mode 100644 index 0000000000..44c4ab6f06 --- /dev/null +++ b/sysdeps/generic/math-narrow-alias.h @@ -0,0 +1,135 @@ +/* Alias macros for functions returning a narrower type. + Copyright (C) 2018-2021 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 + <https://www.gnu.org/licenses/>. */ + +#ifndef _MATH_NARROW_ALIAS_H +#define _MATH_NARROW_ALIAS_H 1 + +#include <bits/floatn.h> +#include <bits/long-double.h> + +/* The following macros declare aliases for a narrowing function. The + sole argument is the base name of a family of functions, such as + "add". If any platform changes long double format after the + introduction of narrowing functions, in a way requiring symbol + versioning compatibility, additional variants of these macros will + be needed. */ + +#define libm_alias_float_double_main(func) \ + weak_alias (__f ## func, f ## func) \ + weak_alias (__f ## func, f32 ## func ## f64) \ + weak_alias (__f ## func, f32 ## func ## f32x) + +#ifdef NO_LONG_DOUBLE +# define libm_alias_float_double(func) \ + libm_alias_float_double_main (func) \ + weak_alias (__f ## func, f ## func ## l) +#else +# define libm_alias_float_double(func) \ + libm_alias_float_double_main (func) +#endif + +#define libm_alias_float32x_float64_main(func) \ + weak_alias (__f32x ## func ## f64, f32x ## func ## f64) + +#ifdef NO_LONG_DOUBLE +# define libm_alias_float32x_float64(func) \ + libm_alias_float32x_float64_main (func) \ + weak_alias (__f32x ## func ## f64, d ## func ## l) +#elif defined __LONG_DOUBLE_MATH_OPTIONAL +# define libm_alias_float32x_float64(func) \ + libm_alias_float32x_float64_main (func) \ + weak_alias (__f32x ## func ## f64, __nldbl_d ## func ## l) +#else +# define libm_alias_float32x_float64(func) \ + libm_alias_float32x_float64_main (func) +#endif + +#if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128 +# define libm_alias_float_ldouble_f128(func) \ + weak_alias (__f ## func ## l, f32 ## func ## f128) +# define libm_alias_double_ldouble_f128(func) \ + weak_alias (__d ## func ## l, f32x ## func ## f128) \ + weak_alias (__d ## func ## l, f64 ## func ## f128) +#else +# define libm_alias_float_ldouble_f128(func) +# define libm_alias_double_ldouble_f128(func) +#endif + +#if __HAVE_FLOAT64X_LONG_DOUBLE +# define libm_alias_float_ldouble_f64x(func) \ + weak_alias (__f ## func ## l, f32 ## func ## f64x) +# define libm_alias_double_ldouble_f64x(func) \ + weak_alias (__d ## func ## l, f32x ## func ## f64x) \ + weak_alias (__d ## func ## l, f64 ## func ## f64x) +#else +# define libm_alias_float_ldouble_f64x(func) +# define libm_alias_double_ldouble_f64x(func) +#endif + +#define libm_alias_float_ldouble(func) \ + weak_alias (__f ## func ## l, f ## func ## l) \ + libm_alias_float_ldouble_f128 (func) \ + libm_alias_float_ldouble_f64x (func) + +#define libm_alias_double_ldouble(func) \ + weak_alias (__d ## func ## l, d ## func ## l) \ + libm_alias_double_ldouble_f128 (func) \ + libm_alias_double_ldouble_f64x (func) + +#define libm_alias_float64x_float128(func) \ + weak_alias (__f64x ## func ## f128, f64x ## func ## f128) + +#define libm_alias_float32_float128_main(func) \ + weak_alias (__f32 ## func ## f128, f32 ## func ## f128) + +#define libm_alias_float64_float128_main(func) \ + weak_alias (__f64 ## func ## f128, f64 ## func ## f128) \ + weak_alias (__f64 ## func ## f128, f32x ## func ## f128) + +#include <math-narrow-alias-float128.h> + +/* The following macros declare narrowing-named aliases for a + non-narrowing function. */ + +#define libm_alias_double_narrow_main(from, to) \ + weak_alias (from, f32x ## to ## f64) + +#ifdef NO_LONG_DOUBLE +# define libm_alias_double_narrow(from, to) \ + libm_alias_double_narrow_main (from, to) \ + weak_alias (from, d ## to ## l) +#else +# define libm_alias_double_narrow(from, to) \ + libm_alias_double_narrow_main (from, to) +#endif + +#if __HAVE_FLOAT64X_LONG_DOUBLE && __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128 +# define libm_alias_ldouble_narrow(from, to) \ + weak_alias (from ## l, f64x ## to ## f128) +#else +# define libm_alias_ldouble_narrow(from, to) +#endif + +#if __HAVE_DISTINCT_FLOAT128 && __HAVE_FLOAT64X && !__HAVE_FLOAT64X_LONG_DOUBLE +# define libm_alias_float128_narrow(from, to) \ + weak_alias (from ## f128, f64x ## to ## f128) +#else +# define libm_alias_float128_narrow(from, to) +#endif + +#endif /* math-narrow-alias.h. */ diff --git a/sysdeps/generic/math-type-macros-double.h b/sysdeps/generic/math-type-macros-double.h index 7abab18af3..8d2d8362cc 100644 --- a/sysdeps/generic/math-type-macros-double.h +++ b/sysdeps/generic/math-type-macros-double.h @@ -38,6 +38,11 @@ # define declare_mgen_alias_r(from, to) libm_alias_double_r (from, to, _r) #endif +#ifndef declare_mgen_alias_narrow +# define declare_mgen_alias_narrow(from, to) \ + libm_alias_double_narrow (from, to) +#endif + /* Supply the generic macros. */ #include <math-type-macros.h> diff --git a/sysdeps/generic/math-type-macros-float.h b/sysdeps/generic/math-type-macros-float.h index e0a6a51492..fb84d62909 100644 --- a/sysdeps/generic/math-type-macros-float.h +++ b/sysdeps/generic/math-type-macros-float.h @@ -41,6 +41,10 @@ # define declare_mgen_alias_r(from, to) libm_alias_float_r (from, to, _r) #endif +#ifndef declare_mgen_alias_narrow +# define declare_mgen_alias_narrow(from, to) +#endif + /* Supply the generic macros. */ #include <math-type-macros.h> diff --git a/sysdeps/generic/math-type-macros-float128.h b/sysdeps/generic/math-type-macros-float128.h index 5cdce15a4e..5c190606f5 100644 --- a/sysdeps/generic/math-type-macros-float128.h +++ b/sysdeps/generic/math-type-macros-float128.h @@ -40,6 +40,11 @@ # define declare_mgen_alias_r(from, to) libm_alias_float128_r (from, to, _r) #endif +#ifndef declare_mgen_alias_narrow +# define declare_mgen_alias_narrow(from, to) \ + libm_alias_float128_narrow (from, to) +#endif + /* Supply the generic macros. */ #include <math-type-macros.h> diff --git a/sysdeps/generic/math-type-macros-ldouble.h b/sysdeps/generic/math-type-macros-ldouble.h index 2372195ef1..a2f282500e 100644 --- a/sysdeps/generic/math-type-macros-ldouble.h +++ b/sysdeps/generic/math-type-macros-ldouble.h @@ -38,6 +38,11 @@ # define declare_mgen_alias_r(from, to) libm_alias_ldouble_r (from, to, _r) #endif +#ifndef declare_mgen_alias_narrow +# define declare_mgen_alias_narrow(from, to) \ + libm_alias_ldouble_narrow (from, to) +#endif + /* Supply the generic macros. */ #include <math-type-macros.h> |