diff options
Diffstat (limited to 'sysdeps/m68k/fpu/fesetenv.c')
-rw-r--r-- | sysdeps/m68k/fpu/fesetenv.c | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/sysdeps/m68k/fpu/fesetenv.c b/sysdeps/m68k/fpu/fesetenv.c deleted file mode 100644 index 664468413a..0000000000 --- a/sysdeps/m68k/fpu/fesetenv.c +++ /dev/null @@ -1,75 +0,0 @@ -/* Install given floating-point environment. - Copyright (C) 1997-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> - - 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/>. */ - -#include <fenv.h> - -int -__fesetenv (const fenv_t *envp) -{ - fenv_t temp; - - /* Install the environment specified by ENVP. But there are a few - values which we do not want to come from the saved environment. - Therefore, we get the current environment and replace the values - we want to use from the environment specified by the parameter. */ -#ifdef __mcoldfire__ - __asm__ ("fmove%.l %/fpcr,%0" : "=dm" (temp.__control_register)); - __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (temp.__status_register)); - __asm__ ("fmove%.l %/fpiar,%0" : "=dm" (temp.__instruction_address)); -#else - __asm__ ("fmovem%.l %/fpcr/%/fpsr/%/fpiar,%0" : "=m" (*&temp)); -#endif - - temp.__status_register &= ~FE_ALL_EXCEPT; - temp.__control_register &= ~((FE_ALL_EXCEPT << 6) | FE_UPWARD); - if (envp == FE_DFL_ENV) - ; - else if (envp == FE_NOMASK_ENV) - temp.__control_register |= FE_ALL_EXCEPT << 6; - else - { - temp.__control_register |= (envp->__control_register - & ((FE_ALL_EXCEPT << 6) | FE_UPWARD)); - temp.__status_register |= envp->__status_register & FE_ALL_EXCEPT; - } - -#ifdef __mcoldfire__ - __asm__ __volatile__ ("fmove%.l %0,%/fpiar" - :: "dm" (temp.__instruction_address)); - __asm__ __volatile__ ("fmove%.l %0,%/fpcr" - :: "dm" (temp.__control_register)); - __asm__ __volatile__ ("fmove%.l %0,%/fpsr" - :: "dm" (temp.__status_register)); -#else - __asm__ __volatile__ ("fmovem%.l %0,%/fpcr/%/fpsr/%/fpiar" : : "m" (*&temp)); -#endif - - /* Success. */ - return 0; -} - -#include <shlib-compat.h> -#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) -strong_alias (__fesetenv, __old_fesetenv) -compat_symbol (libm, __old_fesetenv, fesetenv, GLIBC_2_1); -#endif - -libm_hidden_def (__fesetenv) -libm_hidden_ver (__fesetenv, fesetenv) -versioned_symbol (libm, __fesetenv, fesetenv, GLIBC_2_2); |