/* * attributes.h * Copyright (C) 2000-2003 Michel Lespinasse * Copyright (C) 1999-2000 Aaron Holtzman * * This file is part of mpeg2dec, a free MPEG-2 video stream decoder. * See http://libmpeg2.sourceforge.net/ for updates. * * mpeg2dec is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * mpeg2dec is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * $Id$ * libmpeg2 sync history: * 2008-07-01 - CVS revision 1.5 */ /* use gcc attribs to align critical data structures */ #ifdef ATTRIBUTE_ALIGNED_MAX #define ATTR_ALIGN(align) __attribute__ ((__aligned__ ((ATTRIBUTE_ALIGNED_MAX < align) ? ATTRIBUTE_ALIGNED_MAX : align))) #else #define ATTR_ALIGN(align) #endif #ifdef HAVE_BUILTIN_EXPECT #define likely(x) __builtin_expect ((x) != 0, 1) #define unlikely(x) __builtin_expect ((x) != 0, 0) #else #define likely(x) (x) #define unlikely(x) (x) #endif