aboutsummaryrefslogtreecommitdiff
path: root/ports/sysdeps/arm/feenablxcpt.c
diff options
context:
space:
mode:
Diffstat (limited to 'ports/sysdeps/arm/feenablxcpt.c')
-rw-r--r--ports/sysdeps/arm/feenablxcpt.c59
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;
-}