vlc_cpu.h 2.91 KB
 Rémi Denis-Courmont committed Sep 22, 2009 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 ``````/***************************************************************************** * 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) `````` Laurent Aimar committed Nov 24, 2009 37 38 39 ``````# define CPU_CAPABILITY_SSE4_1 (1<<10) # define CPU_CAPABILITY_SSE4_2 (1<<11) # define CPU_CAPABILITY_SSE4A (1<<12) `````` Laurent Aimar committed Sep 22, 2009 40 41 42 43 44 45 46 47 ``````# 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) `````` Laurent Aimar committed Nov 24, 2009 48 49 50 ``````# define CPU_CAPABILITY_SSE4_1 (0) # define CPU_CAPABILITY_SSE4_2 (0) # define CPU_CAPABILITY_SSE4A (0) `````` Laurent Aimar committed Sep 22, 2009 51 ``````# endif `````` Rémi Denis-Courmont committed Sep 22, 2009 52 `````` `````` Laurent Aimar committed Sep 22, 2009 53 ``````# if defined (__ppc__) || defined (__ppc64__) || defined (__powerpc__) `````` Rémi Denis-Courmont committed Sep 22, 2009 54 ``````# define CPU_CAPABILITY_ALTIVEC (1<<16) `````` Laurent Aimar committed Sep 22, 2009 55 56 57 ``````# else # define CPU_CAPABILITY_ALTIVEC (0) # endif `````` Rémi Denis-Courmont committed Sep 22, 2009 58 `````` `````` Laurent Aimar committed Sep 22, 2009 59 ``````# if defined (__arm__) `````` Rémi Denis-Courmont committed Sep 22, 2009 60 ``````# define CPU_CAPABILITY_NEON (1<<24) `````` Laurent Aimar committed Sep 22, 2009 61 62 ``````# else # define CPU_CAPABILITY_NEON (0) `````` Rémi Denis-Courmont committed Sep 22, 2009 63 64 ``````# endif `````` Rémi Denis-Courmont committed Oct 19, 2009 65 66 67 ``````VLC_EXPORT( unsigned, vlc_CPU, ( void ) ); /** Are floating point operations fast? `````` Rémi Denis-Courmont committed Sep 22, 2009 68 69 `````` * If this bit is not set, you should try to use fixed-point instead. */ `````` Rémi Denis-Courmont committed Oct 19, 2009 70 71 ``````# if defined (__i386__) || defined (__x86_64__) # define HAVE_FPU 1 `````` Rémi Denis-Courmont committed Sep 22, 2009 72 `````` `````` Rémi Denis-Courmont committed Oct 19, 2009 73 74 75 76 77 78 79 80 81 82 83 84 85 ``````# 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 `````` Rémi Denis-Courmont committed Sep 22, 2009 86 87 88 89 90 91 92 93 `````` 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 */ ``````