diff options
Diffstat (limited to 'REORG.TODO/sysdeps/hppa/fpu/fsetexcptflg.c')
-rw-r--r-- | REORG.TODO/sysdeps/hppa/fpu/fsetexcptflg.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/hppa/fpu/fsetexcptflg.c b/REORG.TODO/sysdeps/hppa/fpu/fsetexcptflg.c new file mode 100644 index 0000000000..4d21ae7c08 --- /dev/null +++ b/REORG.TODO/sysdeps/hppa/fpu/fsetexcptflg.c @@ -0,0 +1,43 @@ +/* Set floating-point environment exception handling. + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David Huggins-Daines <dhd@debian.org>, 2000 + + 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> + +int +fesetexceptflag (const fexcept_t *flagp, int excepts) +{ + fpu_control_t fpsr; + fpu_control_t fpsr_new; + + /* Get the current status word. */ + _FPU_GETCW (fpsr); + excepts &= FE_ALL_EXCEPT; + + /* Install new raised flags. */ + fpsr_new = fpsr & ~(excepts << _FPU_HPPA_SHIFT_FLAGS); + fpsr_new |= (*flagp & excepts) << _FPU_HPPA_SHIFT_FLAGS; + + /* Store the new status word. */ + if (fpsr != fpsr_new) + _FPU_SETCW (fpsr_new); + + /* Success. */ + return 0; +} |