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| -rw-r--r-- | ChangeLog | 2 | ||||
| -rw-r--r-- | sysdeps/arm/fesetexcept.c | 38 |
2 files changed, 40 insertions, 0 deletions
@@ -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. diff --git a/sysdeps/arm/fesetexcept.c b/sysdeps/arm/fesetexcept.c new file mode 100644 index 0000000..96a79ae --- /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 + <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; +} |