diff options
Diffstat (limited to 'sysdeps/powerpc/bits')
| -rw-r--r-- | sysdeps/powerpc/bits/fenvinline.h | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/sysdeps/powerpc/bits/fenvinline.h b/sysdeps/powerpc/bits/fenvinline.h deleted file mode 100644 index f2d095a72f..0000000000 --- a/sysdeps/powerpc/bits/fenvinline.h +++ /dev/null @@ -1,108 +0,0 @@ -/* Inline floating-point environment handling functions for powerpc. - Copyright (C) 1995-2020 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/>. */ - -#if defined __GNUC__ && !defined _SOFT_FLOAT && !defined __NO_FPRS__ - -/* Inline definitions for fegetround. */ -# define __fegetround_ISA300() \ - (__extension__ ({ \ - union { double __d; unsigned long long __ll; } __u; \ - __asm__ __volatile__ ( \ - ".machine push; .machine \"power9\"; mffsl %0; .machine pop" \ - : "=f" (__u.__d)); \ - __u.__ll & 0x0000000000000003LL; \ - })) - -# define __fegetround_ISA2() \ - (__extension__ ({ \ - int __fegetround_result; \ - __asm__ __volatile__ ("mcrfs 7,7 ; mfcr %0" \ - : "=r"(__fegetround_result) : : "cr7"); \ - __fegetround_result & 3; \ - })) - -# ifdef _ARCH_PWR9 -# define __fegetround() __fegetround_ISA300() -# elif defined __BUILTIN_CPU_SUPPORTS__ -# define __fegetround() \ - (__glibc_likely (__builtin_cpu_supports ("arch_3_00")) \ - ? __fegetround_ISA300() \ - : __fegetround_ISA2() \ - ) -# else -# define __fegetround() __fegetround_ISA2() -# endif - -# define fegetround() __fegetround () - -# ifndef __NO_MATH_INLINES - -/* Builtins to mtfsb0 and mtfsb1 was introduced on GCC 9. */ -# if !__GNUC_PREREQ(9, 0) -/* The weird 'i#*X' constraints on the following suppress a gcc - warning when __excepts is not a constant. Otherwise, they mean the - same as just plain 'i'. This warning only happens in old GCC - versions (gcc 3 or less). Otherwise plain 'i' works fine. */ -# define __MTFSB0(__b) __asm__ __volatile__ ("mtfsb0 %0" : : "i#*X" (__b)) -# define __MTFSB1(__b) __asm__ __volatile__ ("mtfsb1 %0" : : "i#*X" (__b)) -# else -# define __MTFSB0(__b) __builtin_mtfsb0 (__b) -# define __MTFSB1(__b) __builtin_mtfsb1 (__b) -# endif - -# if __GNUC_PREREQ(3, 4) - -#include <sys/param.h> - -/* Inline definition for feraiseexcept. */ -# define feraiseexcept(__excepts) \ - (__extension__ ({ \ - int __e = __excepts; \ - int __ret = 0; \ - if (__builtin_constant_p (__e) \ - && __builtin_popcount (__e) == 1 \ - && __e != FE_INVALID) \ - { \ - __MTFSB1 ((__builtin_clz (__e))); \ - } \ - else \ - __ret = feraiseexcept (__e); \ - __ret; \ - })) - -/* Inline definition for feclearexcept. */ -# define feclearexcept(__excepts) \ - (__extension__ ({ \ - int __e = __excepts; \ - int __ret = 0; \ - if (__builtin_constant_p (__e) \ - && __builtin_popcount (__e) == 1 \ - && __e != FE_INVALID) \ - { \ - __MTFSB0 ((__builtin_clz (__e))); \ - } \ - else \ - __ret = feclearexcept (__e); \ - __ret; \ - })) - -# endif /* __GNUC_PREREQ(3, 4). */ - -# endif /* !__NO_MATH_INLINES. */ - -#endif /* __GNUC__ && !_SOFT_FLOAT && !__NO_FPRS__ */ |