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author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 18:56:13 +0000 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 18:57:13 +0000 |
commit | 82dd75a7f436a19047325d62182590c9f9e23a78 (patch) | |
tree | 60ca20c8cf2b0d178d84725c0715471f76df97e1 /sysdeps/s390/fpu/fesetmode.c | |
parent | 0bbb676a2342367c4e52b35e890f24667dabb348 (diff) | |
parent | 963c37d5c0eb62b38f8764b23931c0dcdd497a13 (diff) |
Merge commit 'refs/top-bases/t/tls' into t/tls
Diffstat (limited to 'sysdeps/s390/fpu/fesetmode.c')
-rw-r--r-- | sysdeps/s390/fpu/fesetmode.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sysdeps/s390/fpu/fesetmode.c b/sysdeps/s390/fpu/fesetmode.c new file mode 100644 index 0000000000..37ede8f115 --- /dev/null +++ b/sysdeps/s390/fpu/fesetmode.c @@ -0,0 +1,39 @@ +/* Install given floating-point control modes. S/390 version. + Copyright (C) 2016-2018 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 + <http://www.gnu.org/licenses/>. */ + +#include <fenv.h> +#include <fpu_control.h> +#include <fenv_libc.h> + +#define FPC_STATUS (FPC_FLAGS_MASK | FPC_DXC_MASK) + +int +fesetmode (const femode_t *modep) +{ + fpu_control_t fpc; + + _FPU_GETCW (fpc); + fpc &= FPC_STATUS; + if (modep == FE_DFL_MODE) + fpc |= _FPU_DEFAULT; + else + fpc |= *modep & ~FPC_STATUS; + _FPU_SETCW (fpc); + + return 0; +} |