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Add fesetexcept: arm. 

This patch adds an ARM version of fesetexcept.

	* sysdeps/arm/fesetexcept.c: New file.
This commit is contained in:
Joseph Myers 2016-08-16 16:18:24 +00:00
parent 56acef0ebb
commit 969b3a56e9
2 changed files with 40 additions and 0 deletions
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@ -1,5 +1,7 @@
2016-08-16 Joseph Myers <joseph@codesourcery.com>
* sysdeps/arm/fesetexcept.c: New file.
* sysdeps/alpha/fpu/fesetexcept.c: New file.
* sysdeps/aarch64/fpu/fesetexcept.c: New file.

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sysdeps/arm/fesetexcept.c Normal file
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/* Set given exception flags. ARM version.
Copyright (C) 2016 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.h>
#include <fpu_control.h>
#include <arm-features.h>
int
fesetexcept (int excepts)
{
fpu_control_t fpscr, new_fpscr;
/* Fail if a VFP unit isn't present unless nothing needs to be done. */
if (!ARM_HAVE_VFP)
return (excepts != 0);
_FPU_GETCW (fpscr);
new_fpscr = fpscr | (excepts & FE_ALL_EXCEPT);
if (new_fpscr != fpscr)
_FPU_SETCW (new_fpscr);
return 0;
}