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42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/* Software floating-point emulation: float to integer conversion.
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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 Richard Henderson (rth@cygnus.com) and
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Jakub Jelinek (jj@ultra.linux.cz).
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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 "local-soft-fp.h"
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long
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_OtsCvtXQ (long al, long ah, long _round)
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{
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FP_DECL_EX;
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FP_DECL_Q(A);
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unsigned long r;
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long s;
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/* If bit 3 is set, then integer overflow detection is requested. */
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s = _round & 8 ? 1 : -1;
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_round = _round & 3;
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FP_INIT_ROUNDMODE;
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AXP_UNPACK_RAW_Q(A, a);
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FP_TO_INT_Q(r, A, 64, s);
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FP_HANDLE_EXCEPTIONS;
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return r;
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}
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