diff options
Diffstat (limited to 'sysdeps/s390/fpu/fesetround.c')
-rw-r--r-- | sysdeps/s390/fpu/fesetround.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sysdeps/s390/fpu/fesetround.c b/sysdeps/s390/fpu/fesetround.c new file mode 100644 index 0000000000..ba8c1b0be3 --- /dev/null +++ b/sysdeps/s390/fpu/fesetround.c @@ -0,0 +1,37 @@ +/* Set current rounding direction. + Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com) + + 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.h> +#include <fpu_control.h> + +int +fesetround (int round) +{ + if ((round|FPC_RM_MASK) != FPC_RM_MASK) + { + /* ROUND is not a valid rounding mode. */ + return 1; + } + __asm__ volatile ("srnm 0(%0)" + : + : "a" (round)); + + return 0; +} |