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38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/*
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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 FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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"((unsigned int)(a)), "rm"(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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