00001 /* 00002 * Copyright (c) 2010 Mans Rullgard <mans@mansr.com> 00003 * 00004 * This file is part of FFmpeg. 00005 * 00006 * FFmpeg is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public 00008 * License as published by the Free Software Foundation; either 00009 * version 2.1 of the License, or (at your option) any later version. 00010 * 00011 * FFmpeg is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 * Lesser General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU Lesser General Public 00017 * License along with FFmpeg; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00019 */ 00020 00021 #ifndef AVUTIL_X86_INTMATH_H 00022 #define AVUTIL_X86_INTMATH_H 00023 00024 #define FASTDIV(a,b) \ 00025 ({\ 00026 int ret, dmy;\ 00027 __asm__ volatile(\ 00028 "mull %3"\ 00029 :"=d"(ret), "=a"(dmy)\ 00030 :"1"(a), "g"(ff_inverse[b])\ 00031 );\ 00032 ret;\ 00033 }) 00034 00035 #endif /* AVUTIL_X86_INTMATH_H */
1.5.8