KDE 3.5 API Reference kviewshell
MMX.h
Go to the documentation of this file.00001 //C- -*- C++ -*- 00002 //C- ------------------------------------------------------------------- 00003 //C- DjVuLibre-3.5 00004 //C- Copyright (c) 2002 Leon Bottou and Yann Le Cun. 00005 //C- Copyright (c) 2001 AT&T 00006 //C- 00007 //C- This software is subject to, and may be distributed under, the 00008 //C- GNU General Public License, Version 2. The license should have 00009 //C- accompanied the software or you may obtain a copy of the license 00010 //C- from the Free Software Foundation at http://www.fsf.org . 00011 //C- 00012 //C- This program is distributed in the hope that it will be useful, 00013 //C- but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 //C- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 //C- GNU General Public License for more details. 00016 //C- 00017 //C- DjVuLibre-3.5 is derived from the DjVu(r) Reference Library 00018 //C- distributed by Lizardtech Software. On July 19th 2002, Lizardtech 00019 //C- Software authorized us to replace the original DjVu(r) Reference 00020 //C- Library notice by the following text (see doc/lizard2002.djvu): 00021 //C- 00022 //C- ------------------------------------------------------------------ 00023 //C- | DjVu (r) Reference Library (v. 3.5) 00024 //C- | Copyright (c) 1999-2001 LizardTech, Inc. All Rights Reserved. 00025 //C- | The DjVu Reference Library is protected by U.S. Pat. No. 00026 //C- | 6,058,214 and patents pending. 00027 //C- | 00028 //C- | This software is subject to, and may be distributed under, the 00029 //C- | GNU General Public License, Version 2. 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This grant only confers the right to 00041 //C- | infringe patent claims underlying the LIZARDTECH ORIGINAL CODE to 00042 //C- | the extent such infringement is reasonably necessary to enable 00043 //C- | recipient to make, have made, practice, sell, or otherwise dispose 00044 //C- | of the LIZARDTECH ORIGINAL CODE (or portions thereof) and not to 00045 //C- | any greater extent that may be necessary to utilize further 00046 //C- | modifications or combinations. 00047 //C- | 00048 //C- | The LIZARDTECH ORIGINAL CODE is provided "AS IS" WITHOUT WARRANTY 00049 //C- | OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED 00050 //C- | TO ANY WARRANTY OF NON-INFRINGEMENT, OR ANY IMPLIED WARRANTY OF 00051 //C- | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. 00052 //C- +------------------------------------------------------------------ 00053 // 00054 // $Id: MMX.h,v 1.9 2003/12/01 22:57:40 leonb Exp $ 00055 // $Name: release_3_5_15 $ 00056 00057 #ifndef _MMX_H_ 00058 #define _MMX_H_ 00059 #ifdef HAVE_CONFIG_H 00060 #include "config.h" 00061 #endif 00062 #if NEED_GNUG_PRAGMAS 00063 # pragma interface 00064 #endif 00065 00066 #include "DjVuGlobal.h" 00067 00068 #ifdef HAVE_NAMESPACES 00069 namespace DJVU { 00070 # ifdef NOT_DEFINED // Just to fool emacs c++ mode 00071 } 00072 #endif 00073 #endif 00074 00075 00112 00113 00118 class MMXControl 00119 { 00120 public: 00121 // MMX DETECTION 00126 static int enable_mmx(); 00129 static int disable_mmx(); 00136 static int mmxflag; // readonly 00137 }; 00138 00140 00141 00142 00143 00144 // ---------------------------------------- 00145 // GCC MMX MACROS 00146 00147 #ifndef NO_MMX 00148 00149 #if defined(__GNUC__) && defined(__i386__) 00150 #define MMXemms \ 00151 __asm__ volatile("emms" : : : "memory" ) 00152 #define MMXrr(op,src,dst) \ 00153 __asm__ volatile( #op " %%" #src ",%%" #dst : : : "memory") 00154 #define MMXir(op,imm,dst) \ 00155 __asm__ volatile( #op " %0,%%" #dst : : "i" (imm) : "memory") 00156 #define MMXar(op,addr,dst) \ 00157 __asm__ volatile( #op " %0,%%" #dst : : "m" (*(int*)(addr)) : "memory") 00158 #define MMXra(op,src,addr) \ 00159 __asm__ volatile( #op " %%" #src ",%0" : : "m" (*(int*)(addr)) : "memory") 00160 #define MMX 1 00161 #endif 00162 00163 00164 // ---------------------------------------- 00165 // MSVC MMX MACROS 00166 00167 #if defined(_MSC_VER) && defined(_M_IX86) 00168 // Compiler option /GM is required 00169 #pragma warning( disable : 4799 ) 00170 #define MMXemms \ 00171 __asm { emms } 00172 #define MMXrr(op,src,dst) \ 00173 __asm { op dst,src } 00174 #define MMXir(op,imm,dst) \ 00175 __asm { op dst,imm } 00176 #define MMXar(op,addr,dst) \ 00177 { register __int64 var=*(__int64*)(addr); __asm { op dst,var } } 00178 #define MMXra(op,src,addr) \ 00179 { register __int64 var; __asm { op [var],src }; *(__int64*)addr = var; } 00180 // Probably not as efficient as GCC macros 00181 #define MMX 1 00182 #endif 00183 00184 #endif 00185 00186 // ----------- 00187 00188 #ifdef HAVE_NAMESPACES 00189 } 00190 # ifndef NOT_USING_DJVU_NAMESPACE 00191 using namespace DJVU; 00192 # endif 00193 #endif 00194 #endif
