193 lines
4.9 KiB
C
193 lines
4.9 KiB
C
|
/*****************************************************************************
|
||
|
|
* vlc_cpu.h: CPU capabilities
|
||
|
|
*****************************************************************************
|
||
|
|
* Copyright (C) 1998-2009 VLC authors and VideoLAN
|
||
|
|
*
|
||
|
|
* 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
|
||
|
|
* (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 Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*****************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* \file
|
||
|
|
* This file provides CPU features detection.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef VLC_CPU_H
|
||
|
|
# define VLC_CPU_H 1
|
||
|
|
|
||
|
|
VLC_API unsigned vlc_CPU(void);
|
||
|
|
|
||
|
|
# if defined (__i386__) || defined (__x86_64__)
|
||
|
|
# define HAVE_FPU 1
|
||
|
|
# define VLC_CPU_MMX 0x00000008
|
||
|
|
# define VLC_CPU_3dNOW 0x00000010
|
||
|
|
# define VLC_CPU_MMXEXT 0x00000020
|
||
|
|
# define VLC_CPU_SSE 0x00000040
|
||
|
|
# define VLC_CPU_SSE2 0x00000080
|
||
|
|
# define VLC_CPU_SSE3 0x00000100
|
||
|
|
# define VLC_CPU_SSSE3 0x00000200
|
||
|
|
# define VLC_CPU_SSE4_1 0x00000400
|
||
|
|
# define VLC_CPU_SSE4_2 0x00000800
|
||
|
|
# define VLC_CPU_SSE4A 0x00001000
|
||
|
|
# define VLC_CPU_AVX 0x00002000
|
||
|
|
# define VLC_CPU_AVX2 0x00004000
|
||
|
|
# define VLC_CPU_XOP 0x00008000
|
||
|
|
# define VLC_CPU_FMA4 0x00010000
|
||
|
|
|
||
|
|
# if defined (__MMX__)
|
||
|
|
# define vlc_CPU_MMX() (1)
|
||
|
|
# define VLC_MMX
|
||
|
|
# else
|
||
|
|
# define vlc_CPU_MMX() ((vlc_CPU() & VLC_CPU_MMX) != 0)
|
||
|
|
# define VLC_MMX __attribute__ ((__target__ ("mmx")))
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# if defined (__SSE__)
|
||
|
|
# define vlc_CPU_MMXEXT() (1)
|
||
|
|
# define vlc_CPU_SSE() (1)
|
||
|
|
# define VLC_SSE
|
||
|
|
# else
|
||
|
|
# define vlc_CPU_MMXEXT() ((vlc_CPU() & VLC_CPU_MMXEXT) != 0)
|
||
|
|
# define vlc_CPU_SSE() ((vlc_CPU() & VLC_CPU_SSE) != 0)
|
||
|
|
# define VLC_SSE __attribute__ ((__target__ ("sse")))
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# ifdef __SSE2__
|
||
|
|
# define vlc_CPU_SSE2() (1)
|
||
|
|
# else
|
||
|
|
# define vlc_CPU_SSE2() ((vlc_CPU() & VLC_CPU_SSE2) != 0)
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# ifdef __SSE3__
|
||
|
|
# define vlc_CPU_SSE3() (1)
|
||
|
|
# else
|
||
|
|
# define vlc_CPU_SSE3() ((vlc_CPU() & VLC_CPU_SSE3) != 0)
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# ifdef __SSSE3__
|
||
|
|
# define vlc_CPU_SSSE3() (1)
|
||
|
|
# else
|
||
|
|
# define vlc_CPU_SSSE3() ((vlc_CPU() & VLC_CPU_SSSE3) != 0)
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# ifdef __SSE4_1__
|
||
|
|
# define vlc_CPU_SSE4_1() (1)
|
||
|
|
# else
|
||
|
|
# define vlc_CPU_SSE4_1() ((vlc_CPU() & VLC_CPU_SSE4_1) != 0)
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# ifdef __SSE4_2__
|
||
|
|
# define vlc_CPU_SSE4_2() (1)
|
||
|
|
# else
|
||
|
|
# define vlc_CPU_SSE4_2() ((vlc_CPU() & VLC_CPU_SSE4_2) != 0)
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# ifdef __SSE4A__
|
||
|
|
# define vlc_CPU_SSE4A() (1)
|
||
|
|
# else
|
||
|
|
# define vlc_CPU_SSE4A() ((vlc_CPU() & VLC_CPU_SSE4A) != 0)
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# ifdef __AVX__
|
||
|
|
# define vlc_CPU_AVX() (1)
|
||
|
|
# else
|
||
|
|
# define vlc_CPU_AVX() ((vlc_CPU() & VLC_CPU_AVX) != 0)
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# ifdef __AVX2__
|
||
|
|
# define vlc_CPU_AVX2() (1)
|
||
|
|
# else
|
||
|
|
# define vlc_CPU_AVX2() ((vlc_CPU() & VLC_CPU_AVX2) != 0)
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# ifdef __3dNOW__
|
||
|
|
# define vlc_CPU_3dNOW() (1)
|
||
|
|
# else
|
||
|
|
# define vlc_CPU_3dNOW() ((vlc_CPU() & VLC_CPU_3dNOW) != 0)
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# ifdef __XOP__
|
||
|
|
# define vlc_CPU_XOP() (1)
|
||
|
|
# else
|
||
|
|
# define vlc_CPU_XOP() ((vlc_CPU() & VLC_CPU_XOP) != 0)
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# ifdef __FMA4__
|
||
|
|
# define vlc_CPU_FMA4() (1)
|
||
|
|
# else
|
||
|
|
# define vlc_CPU_FMA4() ((vlc_CPU() & VLC_CPU_FMA4) != 0)
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# elif defined (__ppc__) || defined (__ppc64__) || defined (__powerpc__)
|
||
|
|
# define HAVE_FPU 1
|
||
|
|
# define VLC_CPU_ALTIVEC 2
|
||
|
|
|
||
|
|
# ifdef ALTIVEC
|
||
|
|
# define vlc_CPU_ALTIVEC() (1)
|
||
|
|
# else
|
||
|
|
# define vlc_CPU_ALTIVEC() ((vlc_CPU() & VLC_CPU_ALTIVEC) != 0)
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# elif defined (__arm__)
|
||
|
|
# if defined (__VFP_FP__) && !defined (__SOFTFP__)
|
||
|
|
# define HAVE_FPU 1
|
||
|
|
# else
|
||
|
|
# define HAVE_FPU 0
|
||
|
|
# endif
|
||
|
|
# define VLC_CPU_ARMv6 4
|
||
|
|
# define VLC_CPU_ARM_NEON 2
|
||
|
|
|
||
|
|
# if defined (__ARM_ARCH_7A__)
|
||
|
|
# define VLC_CPU_ARM_ARCH 7
|
||
|
|
# elif defined (__ARM_ARCH_6__) || defined (__ARM_ARCH_6T2__)
|
||
|
|
# define VLC_CPU_ARM_ARCH 6
|
||
|
|
# else
|
||
|
|
# define VLC_CPU_ARM_ARCH 4
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# if (VLC_CPU_ARM_ARCH >= 6)
|
||
|
|
# define vlc_CPU_ARMv6() (1)
|
||
|
|
# else
|
||
|
|
# define vlc_CPU_ARMv6() ((vlc_CPU() & VLC_CPU_ARMv6) != 0)
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# ifdef __ARM_NEON__
|
||
|
|
# define vlc_CPU_ARM_NEON() (1)
|
||
|
|
# else
|
||
|
|
# define vlc_CPU_ARM_NEON() ((vlc_CPU() & VLC_CPU_ARM_NEON) != 0)
|
||
|
|
# endif
|
||
|
|
|
||
|
|
# elif defined (__aarch64__)
|
||
|
|
# define HAVE_FPU 1
|
||
|
|
// NEON is mandatory for general purpose ARMv8-a CPUs
|
||
|
|
# define vlc_CPU_ARM64_NEON() (1)
|
||
|
|
|
||
|
|
# elif defined (__sparc__)
|
||
|
|
# define HAVE_FPU 1
|
||
|
|
|
||
|
|
# elif defined (__mips_hard_float)
|
||
|
|
# define HAVE_FPU 1
|
||
|
|
|
||
|
|
# else
|
||
|
|
/**
|
||
|
|
* Are single precision floating point operations "fast"?
|
||
|
|
* If this preprocessor constant is zero, floating point should be avoided
|
||
|
|
* (especially relevant for audio codecs).
|
||
|
|
*/
|
||
|
|
# define HAVE_FPU 0
|
||
|
|
|
||
|
|
# endif
|
||
|
|
|
||
|
|
#endif /* !VLC_CPU_H */
|