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author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2019-12-16 21:19:30 +0100 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2019-12-16 21:19:30 +0100 |
commit | 10f1958417a4944a60a08230eae6a639209d52f8 (patch) | |
tree | 7662166d1cf40507e65fba6dbb9ee73a7c652afc /sysdeps/csky/fpu/fclrexcpt.c | |
parent | 963c37d5c0eb62b38f8764b23931c0dcdd497a13 (diff) | |
parent | a2e487ce1c59d19345d9ecacc58de79febd869e4 (diff) |
Merge branch 'master' of git://sourceware.org/git/glibc into upstreamupstream
Diffstat (limited to 'sysdeps/csky/fpu/fclrexcpt.c')
-rw-r--r-- | sysdeps/csky/fpu/fclrexcpt.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/sysdeps/csky/fpu/fclrexcpt.c b/sysdeps/csky/fpu/fclrexcpt.c new file mode 100644 index 0000000000..59b08e5929 --- /dev/null +++ b/sysdeps/csky/fpu/fclrexcpt.c @@ -0,0 +1,42 @@ +/* Clear given exceptions in current floating-point environment. + Copyright (C) 2018-2019 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 +feclearexcept (int excepts) +{ + int fpsr; + + /* Mask out unsupported bits/exceptions. */ + excepts &= FE_ALL_EXCEPT; + + /* Read the complete control word. */ + _FPU_GETFPSR (fpsr); + + /* Clear the relevant bits. */ + fpsr &= ~(excepts | (excepts << CAUSE_SHIFT)); + + /* Put the new data in effect. */ + _FPU_SETFPSR (fpsr); + + return 0; +} +libm_hidden_def (feclearexcept) |