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| -rw-r--r-- | ChangeLog | 2 | ||||
| -rw-r--r-- | sysdeps/mips/ieee754/bits/floatn.h | 80 |
2 files changed, 82 insertions, 0 deletions
@@ -1,5 +1,7 @@ 2017-10-19 Joseph Myers <joseph@codesourcery.com> + * sysdeps/mips/ieee754/bits/floatn.h: New file. + [BZ #22322] * sysdeps/mips/bits/long-double.h: Move to .... * sysdeps/mips/ieee754/bits/long-double.h: ... here. diff --git a/sysdeps/mips/ieee754/bits/floatn.h b/sysdeps/mips/ieee754/bits/floatn.h new file mode 100644 index 0000000000..b3334910b2 --- /dev/null +++ b/sysdeps/mips/ieee754/bits/floatn.h @@ -0,0 +1,80 @@ +/* Macros to control TS 18661-3 glibc features on MIPS platforms. + 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 _BITS_FLOATN_H +#define _BITS_FLOATN_H + +#include <features.h> +#include <bits/long-double.h> + +/* Defined to 1 if the current compiler invocation provides a + floating-point type with the IEEE 754 binary128 format, and this + glibc includes corresponding *f128 interfaces for it. */ +#ifndef __NO_LONG_DOUBLE_MATH +# define __HAVE_FLOAT128 1 +#else +/* glibc does not support _Float128 for platforms where long double is + normally binary128 when building with long double as binary64. + GCC's default for supported scalar modes does not support it either + in that case. */ +# define __HAVE_FLOAT128 0 +#endif + +/* Defined to 1 if __HAVE_FLOAT128 is 1 and the type is ABI-distinct + from the default float, double and long double types in this glibc. */ +#define __HAVE_DISTINCT_FLOAT128 0 + +/* Defined to concatenate the literal suffix to be used with _Float128 + types, if __HAVE_FLOAT128 is 1. */ +#if __HAVE_FLOAT128 +# if !__GNUC_PREREQ (7, 0) || defined __cplusplus +/* The literal suffix f128 exists only since GCC 7.0. */ +# define __f128(x) x##l +# else +# define __f128(x) x##f128 +# endif +#endif + +/* Defined to a complex binary128 type if __HAVE_FLOAT128 is 1. */ +#if __HAVE_FLOAT128 +# if !__GNUC_PREREQ (7, 0) || defined __cplusplus +# define __CFLOAT128 _Complex long double +# else +# define __CFLOAT128 _Complex _Float128 +# endif +#endif + +/* The remaining of this file provides support for older compilers. */ +#if __HAVE_FLOAT128 + +/* The type _Float128 exists only since GCC 7.0. */ +# if !__GNUC_PREREQ (7, 0) || defined __cplusplus +typedef long double _Float128; +# endif + +/* Various built-in functions do not exist before GCC 7.0. */ +# if !__GNUC_PREREQ (7, 0) +# define __builtin_huge_valf128() (__builtin_huge_vall ()) +# define __builtin_inff128() (__builtin_infl ()) +# define __builtin_nanf128(x) (__builtin_nanl (x)) +# define __builtin_nansf128(x) (__builtin_nansl (x)) +# endif + +#endif + +#endif /* _BITS_FLOATN_H */ |