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e4363cfb57
The function feupdateenv has been fixed to correctly handle FE_DFL_ENV and FE_NOMASK_ENV. The fesetexceptflag function has been fixed to correctly handle setting the new flags instead of just OR-ing the existing flags. This fixes the test-fenv-return and test-fenvinline failures on hppa.
44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
/* Set floating-point environment exception handling.
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Copyright (C) 1997-2015 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by David Huggins-Daines <dhd@debian.org>, 2000
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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.h>
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#include <fpu_control.h>
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int
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fesetexceptflag (const fexcept_t *flagp, int excepts)
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{
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fpu_control_t fpsr;
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fpu_control_t fpsr_new;
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/* Get the current status word. */
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_FPU_GETCW (fpsr);
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excepts &= FE_ALL_EXCEPT;
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/* Install new raised flags. */
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fpsr_new = fpsr & ~(excepts << _FPU_HPPA_SHIFT_FLAGS);
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fpsr_new |= (*flagp & excepts) << _FPU_HPPA_SHIFT_FLAGS;
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/* Store the new status word. */
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if (fpsr != fpsr_new)
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_FPU_SETCW (fpsr_new);
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/* Success. */
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return 0;
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}
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