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/*****************************************************************************
* vlc_cpu.h: CPU capabilities
*****************************************************************************
* Copyright (C) 1998-2009 the VideoLAN team
*
* This program 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.
*
* This program 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/**
* \file
* This file provides CPU-specific optimization flags.
*/
#ifndef VLC_CPU_H
# define VLC_CPU_H 1
# if defined (__i386__) || defined (__x86_64__)
# define CPU_CAPABILITY_MMX (1<<3)
# define CPU_CAPABILITY_3DNOW (1<<4)
# define CPU_CAPABILITY_MMXEXT (1<<5)
# define CPU_CAPABILITY_SSE (1<<6)
# define CPU_CAPABILITY_SSE2 (1<<7)
# define CPU_CAPABILITY_SSE3 (1<<8)
# define CPU_CAPABILITY_SSSE3 (1<<9)
# define CPU_CAPABILITY_SSE4_1 (1<<10)
# define CPU_CAPABILITY_SSE4_2 (1<<11)
# define CPU_CAPABILITY_SSE4A (1<<12)
# else
# define CPU_CAPABILITY_MMX (0)
# define CPU_CAPABILITY_3DNOW (0)
# define CPU_CAPABILITY_MMXEXT (0)
# define CPU_CAPABILITY_SSE (0)
# define CPU_CAPABILITY_SSE2 (0)
# define CPU_CAPABILITY_SSE3 (0)
# define CPU_CAPABILITY_SSSE3 (0)
# define CPU_CAPABILITY_SSE4_1 (0)
# define CPU_CAPABILITY_SSE4_2 (0)
# define CPU_CAPABILITY_SSE4A (0)
# endif
# if defined (__ppc__) || defined (__ppc64__) || defined (__powerpc__)
# define CPU_CAPABILITY_ALTIVEC (1<<16)
# else
# define CPU_CAPABILITY_ALTIVEC (0)
# endif
# if defined (__arm__)
# define CPU_CAPABILITY_NEON (1<<24)
# else
# define CPU_CAPABILITY_NEON (0)
# endif
VLC_EXPORT( unsigned, vlc_CPU, ( void ) );
/** Are floating point operations fast?
* If this bit is not set, you should try to use fixed-point instead.
*/
# if defined (__i386__) || defined (__x86_64__)
# define HAVE_FPU 1
# elif defined (__powerpc__) || defined (__ppc__) || defined (__pc64__)
# define HAVE_FPU 1
# elif defined (__arm__)
# define HAVE_FPU 0 /* revisit later? */
# elif defined (__sparc__)
# define HAVE_FPU 1
# else
# define HAVE_FPU 0
# endif
typedef void *(*vlc_memcpy_t) (void *tgt, const void *src, size_t n);
typedef void *(*vlc_memset_t) (void *tgt, int c, size_t n);
VLC_EXPORT( void, vlc_fastmem_register, (vlc_memcpy_t cpy, vlc_memset_t set) );
#endif /* !VLC_CPU_H */
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