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author | caiyinyu <caiyinyu@loongson.cn> | 2022-07-19 09:22:08 +0800 |
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committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2022-07-26 12:35:12 -0300 |
commit | 68d61026d526fff88a7ae64ccf92b3f9da189249 (patch) | |
tree | 5d24601805b547e39ba74b2278b315460d13fed9 /sysdeps/loongarch/fpu/feenablxcpt.c | |
parent | 3d87c89815314b0854604a9e9be2990818ca6f6a (diff) | |
download | glibc-68d61026d526fff88a7ae64ccf92b3f9da189249.tar.gz glibc-68d61026d526fff88a7ae64ccf92b3f9da189249.tar.xz glibc-68d61026d526fff88a7ae64ccf92b3f9da189249.zip |
LoongArch: Hard Float Support
Diffstat (limited to 'sysdeps/loongarch/fpu/feenablxcpt.c')
-rw-r--r-- | sysdeps/loongarch/fpu/feenablxcpt.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sysdeps/loongarch/fpu/feenablxcpt.c b/sysdeps/loongarch/fpu/feenablxcpt.c new file mode 100644 index 0000000000..ed809341f6 --- /dev/null +++ b/sysdeps/loongarch/fpu/feenablxcpt.c @@ -0,0 +1,39 @@ +/* Enable floating-point exceptions. + 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 <fenv_libc.h> +#include <fpu_control.h> + +int +feenableexcept (int excepts) +{ + unsigned int new_exc, old_exc; + + /* Get the current control word. */ + _FPU_GETCW (new_exc); + + old_exc = (new_exc & ENABLE_MASK) << ENABLE_SHIFT; + + excepts &= FE_ALL_EXCEPT; + + new_exc |= excepts >> ENABLE_SHIFT; + _FPU_SETCW (new_exc); + + return old_exc; +} |