diff options
Diffstat (limited to 'sysdeps/hppa/fpu/fesetenv.c')
| -rw-r--r-- | sysdeps/hppa/fpu/fesetenv.c | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/sysdeps/hppa/fpu/fesetenv.c b/sysdeps/hppa/fpu/fesetenv.c deleted file mode 100644 index 24f84f215a..0000000000 --- a/sysdeps/hppa/fpu/fesetenv.c +++ /dev/null @@ -1,65 +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 David Huggins-Daines <dhd@debian.org>, 2000 - Based on the m68k version by - Andreas Schwab <schwab@suse.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) -{ - union { unsigned long long buf[4]; fenv_t env; } temp; - unsigned long long *bufptr; - - /* 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. */ - bufptr = temp.buf; - __asm__ ( - "fstd %%fr0,0(%1)\n" - : "=m" (temp) : "r" (bufptr) : "%r0"); - - temp.env.__status_word &= ~(FE_ALL_EXCEPT - | (FE_ALL_EXCEPT << 27) - | FE_DOWNWARD); - if (envp == FE_DFL_ENV) - temp.env.__status_word = 0; - else if (envp == FE_NOMASK_ENV) - temp.env.__status_word |= FE_ALL_EXCEPT; - else - temp.env.__status_word |= (envp->__status_word - & (FE_ALL_EXCEPT - | FE_DOWNWARD - | (FE_ALL_EXCEPT << 27))); - - /* Load the new environment. We use bufptr again since the - initial asm has modified the value of the register and here - we take advantage of that to load in reverse order so fr0 - is loaded last and T-Bit is enabled. */ - __asm__ ( - "fldd 0(%1),%%fr0\n" - : : "m" (temp), "r" (bufptr) : "%r0" ); - - /* Success. */ - return 0; -} -libm_hidden_def (__fesetenv) -weak_alias (__fesetenv, fesetenv) -libm_hidden_weak (fesetenv) |