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37 lines
1.1 KiB
37 lines
1.1 KiB
/* |
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* Copyright (c) 2010 Mans Rullgard <mans@mansr.com> |
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* |
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* This file is part of Libav. |
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* |
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* Libav 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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* |
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* Libav 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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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVUTIL_X86_INTMATH_H |
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#define AVUTIL_X86_INTMATH_H |
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#if HAVE_INLINE_ASM |
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#define FASTDIV(a,b) \ |
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({\ |
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int ret, dmy;\ |
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__asm__ volatile(\ |
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"mull %3"\ |
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:"=d"(ret), "=a"(dmy)\ |
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:"1"(a), "g"(ff_inverse[b])\ |
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);\ |
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ret;\ |
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}) |
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#endif |
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#endif /* AVUTIL_X86_INTMATH_H */
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