diff options
Diffstat (limited to 'ports/sysdeps/arm/feenablxcpt.c')
-rw-r--r-- | ports/sysdeps/arm/feenablxcpt.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/ports/sysdeps/arm/feenablxcpt.c b/ports/sysdeps/arm/feenablxcpt.c deleted file mode 100644 index b286ec5565..0000000000 --- a/ports/sysdeps/arm/feenablxcpt.c +++ /dev/null @@ -1,59 +0,0 @@ -/* Enable floating-point exceptions. - Copyright (C) 2001-2014 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) -{ - if (ARM_HAVE_VFP) - { - unsigned long int new_exc, old_exc; - - _FPU_GETCW(new_exc); - - old_exc = (new_exc >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT; - - excepts &= FE_ALL_EXCEPT; - - new_exc |= (excepts << FE_EXCEPT_SHIFT); - - _FPU_SETCW(new_exc); - - if (excepts != 0) - { - /* VFPv3 and VFPv4 do not support trapping exceptions, so - test whether the relevant bits were set and fail if - not. */ - unsigned int temp; - _FPU_GETCW (temp); - if ((temp & (excepts << FE_EXCEPT_SHIFT)) - != (excepts << FE_EXCEPT_SHIFT)) - return -1; - } - - return old_exc; - } - - /* Unsupported, so return -1 for failure. */ - return -1; -} |