diff options
Diffstat (limited to 'sysdeps/powerpc/fpu/feholdexcpt.c')
-rw-r--r-- | sysdeps/powerpc/fpu/feholdexcpt.c | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/sysdeps/powerpc/fpu/feholdexcpt.c b/sysdeps/powerpc/fpu/feholdexcpt.c deleted file mode 100644 index fef49c33a9..0000000000 --- a/sysdeps/powerpc/fpu/feholdexcpt.c +++ /dev/null @@ -1,51 +0,0 @@ -/* Store current floating-point environment and clear exceptions. - Copyright (C) 1997-2017 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/>. */ - -#include <fenv_libc.h> -#include <fpu_control.h> -#define _FPU_MASK_ALL (_FPU_MASK_ZM | _FPU_MASK_OM | _FPU_MASK_UM | _FPU_MASK_XM | _FPU_MASK_IM) - -int -__feholdexcept (fenv_t *envp) -{ - fenv_union_t old, new; - - /* Save the currently set exceptions. */ - old.fenv = *envp = fegetenv_register (); - - /* Clear everything except for the rounding modes and non-IEEE arithmetic - flag. */ - new.l = old.l & 0xffffffff00000007LL; - - if (new.l == old.l) - return 0; - - /* If the old env had any enabled exceptions, then mask SIGFPE in the - MSR FE0/FE1 bits. This may allow the FPU to run faster because it - always takes the default action and can not generate SIGFPE. */ - if ((old.l & _FPU_MASK_ALL) != 0) - (void)__fe_mask_env (); - - /* Put the new state in effect. */ - fesetenv_register (new.fenv); - - return 0; -} -libm_hidden_def (__feholdexcept) -weak_alias (__feholdexcept, feholdexcept) -libm_hidden_weak (feholdexcept) |