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author | Vineet Gupta <vgupta@synopsys.com> | 2019-11-04 16:20:37 -0800 |
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committer | Vineet Gupta <vgupta@synopsys.com> | 2020-07-10 16:08:44 -0700 |
commit | 3ab8611a229fc2bd9a165d067390f7b6165ef6d4 (patch) | |
tree | da23a76a641c360fc7b88fd6441e1ad0042337ca /sysdeps/arc/fpu/feholdexcpt.c | |
parent | fd9dec20c8f53383ffdc9fb259f5529d85f5cf24 (diff) | |
download | glibc-3ab8611a229fc2bd9a165d067390f7b6165ef6d4.tar.gz glibc-3ab8611a229fc2bd9a165d067390f7b6165ef6d4.tar.xz glibc-3ab8611a229fc2bd9a165d067390f7b6165ef6d4.zip |
ARC: hardware floating point support
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps/arc/fpu/feholdexcpt.c')
-rw-r--r-- | sysdeps/arc/fpu/feholdexcpt.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/sysdeps/arc/fpu/feholdexcpt.c b/sysdeps/arc/fpu/feholdexcpt.c new file mode 100644 index 0000000000..59527ee25a --- /dev/null +++ b/sysdeps/arc/fpu/feholdexcpt.c @@ -0,0 +1,43 @@ +/* Store current floating-point environment and clear exceptions. + Copyright (C) 2020 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_private.h> + +int +__feholdexcept (fenv_t *envp) +{ + unsigned int fpcr; + unsigned int fpsr; + + _FPU_GETCW (fpcr); + _FPU_GETS (fpsr); + + envp->__fpcr = fpcr; + envp->__fpsr = fpsr; + + fpsr &= ~FE_ALL_EXCEPT; + + _FPU_SETCW (fpcr); + _FPU_SETS (fpsr); + + return 0; +} +libm_hidden_def (__feholdexcept) +weak_alias (__feholdexcept, feholdexcept) +libm_hidden_weak (feholdexcept) |