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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/powerpc/fpu/fesetmode.c
1 /* Install given floating-point control modes. PowerPC version.
2 Copyright (C) 2016-2019 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
19 #include <fenv_libc.h>
20 #include <fpu_control.h>
23 fesetmode (const femode_t
*modep
)
25 fenv_union_t old
, new;
27 /* Logic regarding enabled exceptions as in fesetenv. */
30 old
.fenv
= fegetenv_status ();
31 new.l
= (new.l
& ~FPSCR_STATUS_MASK
) | (old
.l
& FPSCR_STATUS_MASK
);
36 __TEST_AND_EXIT_NON_STOP (old
.l
, new.l
);
37 __TEST_AND_ENTER_NON_STOP (old
.l
, new.l
);
39 fesetenv_mode (new.fenv
);