1 /*****************************************************************************
2 * memcpymmxext.c : MMX EXT memcpy module
3 *****************************************************************************
4 * Copyright (C) 2001 VideoLAN
5 * $Id: memcpymmxext.c,v 1.3 2001/12/30 07:09:55 sam Exp $
7 * Authors: Samuel Hocevar <sam@zoy.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
30 #include <videolan/vlc.h>
32 /*****************************************************************************
33 * Local and extern prototypes.
34 *****************************************************************************/
35 static void memcpy_getfunctions( function_list_t * p_function_list );
36 static int memcpy_Probe ( probedata_t *p_data );
37 void * _M( fast_memcpy ) ( void * to, const void * from, size_t len );
44 #include "fastmemcpy.h"
46 /*****************************************************************************
47 * Build configuration tree.
48 *****************************************************************************/
53 SET_DESCRIPTION( "MMX EXT memcpy module" )
54 ADD_CAPABILITY( MEMCPY, 200 )
55 ADD_REQUIREMENT( MMXEXT )
56 ADD_SHORTCUT( "memcpymmxext" )
57 ADD_SHORTCUT( "mmxext" )
61 memcpy_getfunctions( &p_module->p_functions->memcpy );
64 MODULE_DEACTIVATE_START
65 MODULE_DEACTIVATE_STOP
67 /* Following functions are local */
69 /*****************************************************************************
70 * Functions exported as capabilities. They are declared as static so that
71 * we don't pollute the namespace too much.
72 *****************************************************************************/
73 static void memcpy_getfunctions( function_list_t * p_function_list )
75 p_function_list->pf_probe = memcpy_Probe;
76 #define F p_function_list->functions.memcpy
77 F.fast_memcpy = _M( fast_memcpy );
81 /*****************************************************************************
82 * memcpy_Probe: returns a preference score
83 *****************************************************************************/
84 static int memcpy_Probe( probedata_t *p_data )