From 969b3a56e91553250f6c3f5042f0a8d82d0a05de Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Tue, 16 Aug 2016 16:18:24 +0000 Subject: Add fesetexcept: arm. This patch adds an ARM version of fesetexcept. * sysdeps/arm/fesetexcept.c: New file. --- sysdeps/arm/fesetexcept.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 sysdeps/arm/fesetexcept.c (limited to 'sysdeps') diff --git a/sysdeps/arm/fesetexcept.c b/sysdeps/arm/fesetexcept.c new file mode 100644 index 0000000000..96a79aef77 --- /dev/null +++ b/sysdeps/arm/fesetexcept.c @@ -0,0 +1,38 @@ +/* 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 + . */ + +#include +#include +#include + +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; +} -- cgit 1.4.1