vlc_cpu.h 3.24 KB
 Rémi Denis-Courmont committed Sep 22, 2009 1 2 3 ``````/***************************************************************************** * vlc_cpu.h: CPU capabilities ***************************************************************************** `````` Jean-Baptiste Kempf committed Nov 27, 2011 4 `````` * Copyright (C) 1998-2009 VLC authors and VideoLAN `````` Rémi Denis-Courmont committed Sep 22, 2009 5 `````` * `````` Jean-Baptiste Kempf committed Nov 27, 2011 6 7 8 `````` * This program 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 `````` Rémi Denis-Courmont committed Sep 22, 2009 9 10 11 12 `````` * (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 `````` Jean-Baptiste Kempf committed Nov 27, 2011 13 14 `````` * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. `````` Rémi Denis-Courmont committed Sep 22, 2009 15 `````` * `````` Jean-Baptiste Kempf committed Nov 27, 2011 16 17 18 `````` * You should have received a copy of the GNU Lesser 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. `````` Rémi Denis-Courmont committed Sep 22, 2009 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 `````` *****************************************************************************/ /** * \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) `````` Rémi Denis-Courmont committed Nov 24, 2011 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 `````` # if defined (__MMX__) # define VLC_MMX # elif VLC_GCC_VERSION(4, 4) # define VLC_MMX __attribute__ ((__target__ ("mmx"))) # else # define VLC_MMX VLC_MMX_is_not_implemented_on_this_compiler # endif # if defined (__SSE__) # define VLC_SSE # elif VLC_GCC_VERSION(4, 4) # define VLC_SSE __attribute__ ((__target__ ("sse"))) # else # define VLC_SSE VLC_SSE_is_not_implemented_on_this_compiler # endif `````` Laurent Aimar committed Sep 22, 2009 57 58 59 60 61 62 63 64 ``````# 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 65 66 67 ``````# define CPU_CAPABILITY_SSE4_1 (0) # define CPU_CAPABILITY_SSE4_2 (0) # define CPU_CAPABILITY_SSE4A (0) `````` Laurent Aimar committed Sep 22, 2009 68 ``````# endif `````` Rémi Denis-Courmont committed Sep 22, 2009 69 `````` `````` Laurent Aimar committed Sep 22, 2009 70 ``````# if defined (__ppc__) || defined (__ppc64__) || defined (__powerpc__) `````` Rémi Denis-Courmont committed Sep 22, 2009 71 ``````# define CPU_CAPABILITY_ALTIVEC (1<<16) `````` Laurent Aimar committed Sep 22, 2009 72 73 74 ``````# else # define CPU_CAPABILITY_ALTIVEC (0) # endif `````` Rémi Denis-Courmont committed Sep 22, 2009 75 `````` `````` Laurent Aimar committed Sep 22, 2009 76 ``````# if defined (__arm__) `````` Rémi Denis-Courmont committed Sep 22, 2009 77 ``````# define CPU_CAPABILITY_NEON (1<<24) `````` Laurent Aimar committed Sep 22, 2009 78 79 ``````# else # define CPU_CAPABILITY_NEON (0) `````` Rémi Denis-Courmont committed Sep 22, 2009 80 81 ``````# endif `````` Rémi Denis-Courmont committed May 07, 2011 82 ``````VLC_API unsigned vlc_CPU( void ); `````` Rémi Denis-Courmont committed Oct 19, 2009 83 84 `````` /** Are floating point operations fast? `````` Rémi Denis-Courmont committed Sep 22, 2009 85 86 `````` * If this bit is not set, you should try to use fixed-point instead. */ `````` Rémi Denis-Courmont committed Oct 19, 2009 87 88 ``````# if defined (__i386__) || defined (__x86_64__) # define HAVE_FPU 1 `````` Rémi Denis-Courmont committed Sep 22, 2009 89 `````` `````` Pierre committed Oct 27, 2010 90 ``````# elif defined (__powerpc__) || defined (__ppc__) || defined (__ppc64__) `````` Rémi Denis-Courmont committed Oct 19, 2009 91 92 93 94 95 96 97 98 99 100 101 102 ``````# 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 103 104 105 `````` typedef void *(*vlc_memcpy_t) (void *tgt, const void *src, size_t n); `````` Rémi Denis-Courmont committed May 10, 2011 106 ``````VLC_API void vlc_fastmem_register(vlc_memcpy_t cpy); `````` Rémi Denis-Courmont committed Sep 22, 2009 107 108 109 `````` #endif /* !VLC_CPU_H */ ``````