cpu_detect.h

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/*****************************************************************************
 *
 * A header file for detecting the Intel MMX instructions set extension.
 *
 * Please see 'mmx_win.cpp', 'mmx_cpp.cpp' and 'mmx_non_x86.cpp' for the 
 * routine implementations for x86 Windows, x86 gnu version and non-x86 
 * platforms, respectively.
 *
 * Author        : Copyright (c) Olli Parviainen
 * Author e-mail : oparviai @ iki.fi
 * File created  : 13-Jan-2002
 *
 * Last changed  : $Date: 2004/03/14 15:51:43 $
 * File revision : $Revision: 1.1.1.1 $
 *
 * $Id: cpu_detect.h,v 1.1.1.1 2004/03/14 15:51:43 mbrubeck Exp $
 *
 * License :
 * 
 *  SoundTouch sound processing library
 *  Copyright (c) Olli Parviainen
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *****************************************************************************/

#ifndef _CPU_DETECT_H_
#define _CPU_DETECT_H_

#include "STTypes.h"

#define SUPPORT_MMX         0x0001
#define SUPPORT_3DNOW       0x0002
#define SUPPORT_ALTIVEC     0x0004
#define SUPPORT_SSE         0x0008
#define SUPPORT_SSE2        0x0010

/// Checks which instruction set extensions are supported by the CPU.
///
/// \return A bitmask of supported extensions, see SUPPORT_... defines.
uint detectCPUextensions(void);

/// Disables given set of instruction extensions. See SUPPORT_... defines.
void disableExtensions(uint wDisableMask);

#endif  // _CPU_DETECT_H_