diff options
Diffstat (limited to 'sysdeps/powerpc/fsetexcptflg.c')
-rw-r--r-- | sysdeps/powerpc/fsetexcptflg.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sysdeps/powerpc/fsetexcptflg.c b/sysdeps/powerpc/fsetexcptflg.c new file mode 100644 index 0000000000..4279b74849 --- /dev/null +++ b/sysdeps/powerpc/fsetexcptflg.c @@ -0,0 +1,37 @@ +/* Set floating-point environment exception handling. + Copyright (C) 1997 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <fenv_libc.h> + +void +fesetexceptflag (const fexcept_t *flagp, int excepts) +{ + fenv_union_t u; + + /* Get the current state. */ + u.fenv = fegetenv_register (); + + /* Replace the exception status */ + u.l[1] = u.l[1] & FPSCR_STICKY_BITS | *flagp & FE_to_sticky (excepts); + + /* Store the new status word (along with the rest of the environment). + This may cause floating-point exceptions if the restored state + requests it. */ + fesetenv_register (u.fenv); +} |