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      1 /* libFLAC - Free Lossless Audio Codec library
      2  * Copyright (C) 2001-2009  Josh Coalson
      3  * Copyright (C) 2011-2016  Xiph.Org Foundation
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  *
      9  * - Redistributions of source code must retain the above copyright
     10  * notice, this list of conditions and the following disclaimer.
     11  *
     12  * - Redistributions in binary form must reproduce the above copyright
     13  * notice, this list of conditions and the following disclaimer in the
     14  * documentation and/or other materials provided with the distribution.
     15  *
     16  * - Neither the name of the Xiph.org Foundation nor the names of its
     17  * contributors may be used to endorse or promote products derived from
     18  * this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     23  * A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
     24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
     28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #ifndef FLAC__PRIVATE__CPU_H
     34 #define FLAC__PRIVATE__CPU_H
     35 
     36 #include "FLAC/ordinals.h"
     37 
     38 #ifdef HAVE_CONFIG_H
     39 #include <config.h>
     40 #endif
     41 
     42 #ifndef FLAC__CPU_X86_64
     43 
     44 #if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)
     45 #define FLAC__CPU_X86_64
     46 #endif
     47 
     48 #endif
     49 
     50 #ifndef FLAC__CPU_IA32
     51 
     52 #if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) ||defined( __i386) || defined(_M_IX86)
     53 #define FLAC__CPU_IA32
     54 #endif
     55 
     56 #endif
     57 
     58 
     59 #if FLAC__HAS_X86INTRIN
     60 /* SSE intrinsics support by ICC/MSVC/GCC */
     61 #if defined __INTEL_COMPILER
     62   #define FLAC__SSE_TARGET(x)
     63   #define FLAC__SSE_SUPPORTED 1
     64   #define FLAC__SSE2_SUPPORTED 1
     65   #if (__INTEL_COMPILER >= 1000) /* Intel C++ Compiler 10.0 */
     66     #define FLAC__SSSE3_SUPPORTED 1
     67     #define FLAC__SSE4_1_SUPPORTED 1
     68   #endif
     69   #if (__INTEL_COMPILER >= 1110) /* Intel C++ Compiler 11.1 */
     70     #define FLAC__AVX_SUPPORTED 1
     71   #endif
     72   #if (__INTEL_COMPILER >= 1300) /* Intel C++ Compiler 13.0 */
     73     #define FLAC__AVX2_SUPPORTED 1
     74     #define FLAC__FMA_SUPPORTED 1
     75   #endif
     76 #elif defined _MSC_VER
     77   #define FLAC__SSE_TARGET(x)
     78   #define FLAC__SSE_SUPPORTED 1
     79   #define FLAC__SSE2_SUPPORTED 1
     80   #if (_MSC_VER >= 1500) /* MS Visual Studio 2008 */
     81     #define FLAC__SSSE3_SUPPORTED 1
     82     #define FLAC__SSE4_1_SUPPORTED 1
     83   #endif
     84   #if (_MSC_FULL_VER >= 160040219) /* MS Visual Studio 2010 SP1 */
     85     #define FLAC__AVX_SUPPORTED 1
     86   #endif
     87   #if (_MSC_VER >= 1700) /* MS Visual Studio 2012 */
     88     #define FLAC__AVX2_SUPPORTED 1
     89     #define FLAC__FMA_SUPPORTED 1
     90   #endif
     91 #elif defined __GNUC__
     92   #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)) /* since GCC 4.9 -msse.. compiler options aren't necessary */
     93     #define FLAC__SSE_TARGET(x) __attribute__ ((__target__ (x)))
     94     #define FLAC__SSE_SUPPORTED 1
     95     #define FLAC__SSE2_SUPPORTED 1
     96     #define FLAC__SSSE3_SUPPORTED 1
     97     #define FLAC__SSE4_1_SUPPORTED 1
     98 #ifdef FLAC__USE_AVX
     99     #define FLAC__AVX_SUPPORTED 1
    100     #define FLAC__AVX2_SUPPORTED 1
    101     #define FLAC__FMA_SUPPORTED 1
    102 #endif
    103   #else /* for GCC older than 4.9 */
    104     #define FLAC__SSE_TARGET(x)
    105     #ifdef __SSE__
    106       #define FLAC__SSE_SUPPORTED 1
    107     #endif
    108     #ifdef __SSE2__
    109       #define FLAC__SSE2_SUPPORTED 1
    110     #endif
    111     #ifdef __SSSE3__
    112       #define FLAC__SSSE3_SUPPORTED 1
    113     #endif
    114     #ifdef __SSE4_1__
    115       #define FLAC__SSE4_1_SUPPORTED 1
    116     #endif
    117     #ifdef __AVX__
    118       #define FLAC__AVX_SUPPORTED 1
    119     #endif
    120     #ifdef __AVX2__
    121       #define FLAC__AVX2_SUPPORTED 1
    122     #endif
    123     #ifdef __FMA__
    124       #define FLAC__FMA_SUPPORTED 1
    125     #endif
    126   #endif /* GCC version */
    127 #endif /* compiler version */
    128 #endif /* intrinsics support */
    129 
    130 
    131 #ifndef FLAC__AVX_SUPPORTED
    132 #define FLAC__AVX_SUPPORTED 0
    133 #endif
    134 
    135 typedef enum {
    136 	FLAC__CPUINFO_TYPE_IA32,
    137 	FLAC__CPUINFO_TYPE_X86_64,
    138 	FLAC__CPUINFO_TYPE_UNKNOWN
    139 } FLAC__CPUInfo_Type;
    140 
    141 typedef struct {
    142 	FLAC__bool intel;
    143 
    144 	FLAC__bool cmov;
    145 	FLAC__bool mmx;
    146 	FLAC__bool sse;
    147 	FLAC__bool sse2;
    148 
    149 	FLAC__bool sse3;
    150 	FLAC__bool ssse3;
    151 	FLAC__bool sse41;
    152 	FLAC__bool sse42;
    153 	FLAC__bool avx;
    154 	FLAC__bool avx2;
    155 	FLAC__bool fma;
    156 } FLAC__CPUInfo_IA32;
    157 
    158 typedef struct {
    159 	FLAC__bool intel;
    160 
    161 	FLAC__bool sse3;
    162 	FLAC__bool ssse3;
    163 	FLAC__bool sse41;
    164 	FLAC__bool sse42;
    165 	FLAC__bool avx;
    166 	FLAC__bool avx2;
    167 	FLAC__bool fma;
    168 } FLAC__CPUInfo_x86;
    169 
    170 
    171 typedef struct {
    172 	FLAC__bool use_asm;
    173 	FLAC__CPUInfo_Type type;
    174 	FLAC__CPUInfo_IA32 ia32;
    175 	FLAC__CPUInfo_x86 x86;
    176 } FLAC__CPUInfo;
    177 
    178 void FLAC__cpu_info(FLAC__CPUInfo *info);
    179 
    180 FLAC__uint32 FLAC__cpu_have_cpuid_asm_ia32(void);
    181 
    182 void         FLAC__cpu_info_asm_ia32(FLAC__uint32 *flags_edx, FLAC__uint32 *flags_ecx);
    183 
    184 void         FLAC__cpu_info_x86(FLAC__uint32 level, FLAC__uint32 *eax, FLAC__uint32 *ebx, FLAC__uint32 *ecx, FLAC__uint32 *edx);
    185 
    186 #endif
    187