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author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 17:58:54 +0000 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-12-27 17:58:54 +0000 |
commit | 1ba06384fb715fb7732b20911ffc56a61d16cb0d (patch) | |
tree | 0fcfaf14f40169b289044495b1984a5fa3e0e965 /sysdeps/x86_64/fpu/fegetmode.c | |
parent | 1af57d5793424a5a6ec542d0a5ef0b7c4f312623 (diff) | |
parent | 963c37d5c0eb62b38f8764b23931c0dcdd497a13 (diff) |
Merge commit 'refs/top-bases/t/sysvshm' into t/sysvshm
Diffstat (limited to 'sysdeps/x86_64/fpu/fegetmode.c')
-rw-r--r-- | sysdeps/x86_64/fpu/fegetmode.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/sysdeps/x86_64/fpu/fegetmode.c b/sysdeps/x86_64/fpu/fegetmode.c new file mode 100644 index 0000000000..cc4f12649b --- /dev/null +++ b/sysdeps/x86_64/fpu/fegetmode.c @@ -0,0 +1,28 @@ +/* Store current floating-point control modes. x86_64 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> + +int +fegetmode (femode_t *modep) +{ + _FPU_GETCW (modep->__control_word); + __asm__ ("stmxcsr %0" : "=m" (modep->__mxcsr)); + return 0; +} |