1/* 2 * Copyright (c) 2010 Mans Rullgard <mans@mansr.com> 3 * 4 * This file is part of Libav. 5 * 6 * Libav is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * Libav is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with Libav; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21#ifndef AVUTIL_X86_INTMATH_H 22#define AVUTIL_X86_INTMATH_H 23 24#define FASTDIV(a,b) \ 25 ({\ 26 int ret, dmy;\ 27 __asm__ volatile(\ 28 "mull %3"\ 29 :"=d"(ret), "=a"(dmy)\ 30 :"1"(a), "g"(ff_inverse[b])\ 31 );\ 32 ret;\ 33 }) 34 35#endif /* AVUTIL_X86_INTMATH_H */ 36