diff options
Diffstat (limited to 'sysdeps/loongarch/fpu/fesetround.c')
-rw-r--r-- | sysdeps/loongarch/fpu/fesetround.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/sysdeps/loongarch/fpu/fesetround.c b/sysdeps/loongarch/fpu/fesetround.c new file mode 100644 index 0000000000..32acac5f96 --- /dev/null +++ b/sysdeps/loongarch/fpu/fesetround.c @@ -0,0 +1,44 @@ +/* Set current rounding direction. + Copyright (C) 2022 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 + <https://www.gnu.org/licenses/>. */ + +#include <fenv.h> +#include <fpu_control.h> + +int +__fesetround (int round) +{ + fpu_control_t cw; + + if ((round & ~_FPU_RC_MASK) != 0) + /* ROUND is no valid rounding mode. */ + return 1; + + /* Get current state. */ + _FPU_GETCW (cw); + + /* Set rounding bits. */ + cw &= ~_FPU_RC_MASK; + cw |= round; + /* Set new state. */ + _FPU_SETCW (cw); + + return 0; +} + +libm_hidden_def (__fesetround) weak_alias (__fesetround, fesetround) +libm_hidden_weak (fesetround) |