diff options
Diffstat (limited to 'sysdeps/x86')
-rw-r--r-- | sysdeps/x86/fpu/bits/fenv.h | 54 | ||||
-rw-r--r-- | sysdeps/x86/fpu/include/bits/fenv.h | 57 |
2 files changed, 0 insertions, 111 deletions
diff --git a/sysdeps/x86/fpu/bits/fenv.h b/sysdeps/x86/fpu/bits/fenv.h index eb78eb4b2d..6cfa5678eb 100644 --- a/sysdeps/x86/fpu/bits/fenv.h +++ b/sysdeps/x86/fpu/bits/fenv.h @@ -114,57 +114,3 @@ femode_t; /* Default floating-point control modes. */ # define FE_DFL_MODE ((const femode_t *) -1L) #endif - - -#ifdef __USE_EXTERN_INLINES -__BEGIN_DECLS - -/* Optimized versions. */ -#ifndef _LIBC -extern int __REDIRECT_NTH (__feraiseexcept_renamed, (int), feraiseexcept); -#endif -__extern_always_inline void -__NTH (__feraiseexcept_invalid_divbyzero (int __excepts)) -{ - if ((FE_INVALID & __excepts) != 0) - { - /* One example of an invalid operation is 0.0 / 0.0. */ - float __f = 0.0; - -# ifdef __SSE_MATH__ - __asm__ __volatile__ ("divss %0, %0 " : : "x" (__f)); -# else - __asm__ __volatile__ ("fdiv %%st, %%st(0); fwait" - : "=t" (__f) : "0" (__f)); -# endif - (void) &__f; - } - if ((FE_DIVBYZERO & __excepts) != 0) - { - float __f = 1.0; - float __g = 0.0; - -# ifdef __SSE_MATH__ - __asm__ __volatile__ ("divss %1, %0" : : "x" (__f), "x" (__g)); -# else - __asm__ __volatile__ ("fdivp %%st, %%st(1); fwait" - : "=t" (__f) : "0" (__f), "u" (__g) : "st(1)"); -# endif - (void) &__f; - } -} -__extern_inline int -__NTH (feraiseexcept (int __excepts)) -{ - if (__builtin_constant_p (__excepts) - && (__excepts & ~(FE_INVALID | FE_DIVBYZERO)) == 0) - { - __feraiseexcept_invalid_divbyzero (__excepts); - return 0; - } - - return __feraiseexcept_renamed (__excepts); -} - -__END_DECLS -#endif diff --git a/sysdeps/x86/fpu/include/bits/fenv.h b/sysdeps/x86/fpu/include/bits/fenv.h deleted file mode 100644 index dd3f61e9f3..0000000000 --- a/sysdeps/x86/fpu/include/bits/fenv.h +++ /dev/null @@ -1,57 +0,0 @@ -/* Wrapper for x86 bits/fenv.h for use when building glibc. - Copyright (C) 1997-2020 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/>. */ - -#ifndef _BITS_FENV_H - -#if defined _LIBC && defined __USE_EXTERN_INLINES -# if defined SHARED && !defined NO_HIDDEN && IS_IN (libm) -extern int __REDIRECT_NTH (__feraiseexcept_renamed, (int), __GI_feraiseexcept); -# else -extern int __REDIRECT_NTH (__feraiseexcept_renamed, (int), feraiseexcept); -# endif -#endif - -#include_next <bits/fenv.h> - -# ifndef _ISOMAC - -/* Ensure __feraiseexcept calls in glibc are optimized the same as - feraiseexcept calls. */ - -#ifdef __USE_EXTERN_INLINES -__BEGIN_DECLS - -extern int __REDIRECT_NTH (____feraiseexcept_renamed, (int), __feraiseexcept); -__extern_inline int -__NTH (__feraiseexcept (int __excepts)) -{ - if (__builtin_constant_p (__excepts) - && (__excepts & ~(FE_INVALID | FE_DIVBYZERO)) == 0) - { - __feraiseexcept_invalid_divbyzero (__excepts); - return 0; - } - - return ____feraiseexcept_renamed (__excepts); -} - -__END_DECLS -#endif - -# endif /* _ISOMAC */ -#endif /* bits/fenv.h */ |