diff options
Diffstat (limited to 'REORG.TODO/sysdeps/alpha/fpu/fegetround.c')
-rw-r--r-- | REORG.TODO/sysdeps/alpha/fpu/fegetround.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/alpha/fpu/fegetround.c b/REORG.TODO/sysdeps/alpha/fpu/fegetround.c new file mode 100644 index 0000000000..9befd175b7 --- /dev/null +++ b/REORG.TODO/sysdeps/alpha/fpu/fegetround.c @@ -0,0 +1,33 @@ +/* Return current rounding direction. + Copyright (C) 1997-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Richard Henderson <rth@tamu.edu>, 1997 + + 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_libc.h> + +int +__fegetround (void) +{ + unsigned long fpcr; + + __asm__ __volatile__("excb; mf_fpcr %0" : "=f"(fpcr)); + + return (fpcr >> FPCR_ROUND_SHIFT) & 3; +} +libm_hidden_def (__fegetround) +weak_alias (__fegetround, fegetround) +libm_hidden_weak (fegetround) |