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43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
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/* Set given exception flags. PowerPC version.
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Copyright (C) 2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <fenv_libc.h>
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int
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fesetexcept (int excepts)
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{
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fenv_union_t u, n;
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u.fenv = fegetenv_register ();
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n.l = (u.l
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| (excepts & FPSCR_STICKY_BITS)
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/* Turn FE_INVALID into FE_INVALID_SOFTWARE. */
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| (excepts >> ((31 - FPSCR_VX) - (31 - FPSCR_VXSOFT))
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& FE_INVALID_SOFTWARE));
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if (n.l != u.l)
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{
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fesetenv_register (n.fenv);
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/* Deal with FE_INVALID_SOFTWARE not being implemented on some chips. */
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if (excepts & FE_INVALID)
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feraiseexcept (FE_INVALID);
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}
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return 0;
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}
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