/***************************************************************************** * 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_API unsigned vlc_CPU( void ); VLC_API unsigned vlc_GetCPUCount( 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 (__ppc64__) # 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_API void vlc_fastmem_register(vlc_memcpy_t cpy, vlc_memset_t set); #endif /* !VLC_CPU_H */