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b22be8c368
This patch adds PowerPC versions of fesetexcept. * sysdeps/powerpc/fpu/fesetexcept.c: New file. * sysdeps/powerpc/nofpu/fesetexcept.c: Likewise. * sysdeps/powerpc/powerpc32/e500/nofpu/fesetexcept.c: Likewise.
38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
/* Set given exception flags. e500 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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unsigned long old_spefscr, spefscr;
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int excepts_spe = __fexcepts_to_spe (excepts);
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old_spefscr = fegetenv_register ();
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spefscr = old_spefscr | excepts_spe;
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fesetenv_register (spefscr);
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/* If the state of the "invalid" or "underflow" flag has changed,
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inform the kernel. */
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if (((spefscr ^ old_spefscr) & (SPEFSCR_FINVS | SPEFSCR_FUNFS)) != 0)
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__fe_note_change ();
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return 0;
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}
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