diff options
Diffstat (limited to 'sysdeps/arm/feenablxcpt.c')
-rw-r--r-- | sysdeps/arm/feenablxcpt.c | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/sysdeps/arm/feenablxcpt.c b/sysdeps/arm/feenablxcpt.c deleted file mode 100644 index 6e36371da3..0000000000 --- a/sysdeps/arm/feenablxcpt.c +++ /dev/null @@ -1,51 +0,0 @@ -/* Enable floating-point exceptions. - Copyright (C) 2001-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Philip Blundell <philb@gnu.org>, 2001. - - 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> -#include <fpu_control.h> -#include <arm-features.h> - - -int -feenableexcept (int excepts) -{ - fpu_control_t fpscr, new_fpscr, updated_fpscr; - - /* Fail if a VFP unit isn't present. */ - if (!ARM_HAVE_VFP) - return -1; - - _FPU_GETCW (fpscr); - excepts &= FE_ALL_EXCEPT; - new_fpscr = fpscr | (excepts << FE_EXCEPT_SHIFT); - - if (new_fpscr != fpscr) - { - _FPU_SETCW (new_fpscr); - - /* Not all VFP architectures support trapping exceptions, so - test whether the relevant bits were set and fail if not. */ - _FPU_GETCW (updated_fpscr); - - if (new_fpscr & ~updated_fpscr) - return -1; - } - - return (fpscr >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT; -} |