1 /* libFLAC - Free Lossless Audio Codec library 2 * Copyright (C) 2001-2009 Josh Coalson 3 * Copyright (C) 2011-2014 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 #if defined FLAC__HAS_X86INTRIN 43 /* SSE intrinsics support by ICC/MSVC/GCC */ 44 #if defined __INTEL_COMPILER 45 #define FLAC__SSE_TARGET(x) 46 #define FLAC__SSE_SUPPORTED 1 47 #define FLAC__SSE2_SUPPORTED 1 48 #if (__INTEL_COMPILER >= 1000) /* Intel C++ Compiler 10.0 */ 49 #define FLAC__SSSE3_SUPPORTED 1 50 #define FLAC__SSE4_1_SUPPORTED 1 51 #endif 52 #if (__INTEL_COMPILER >= 1110) /* Intel C++ Compiler 11.1 */ 53 #define FLAC__AVX_SUPPORTED 1 54 #endif 55 #if (__INTEL_COMPILER >= 1300) /* Intel C++ Compiler 13.0 */ 56 #define FLAC__AVX2_SUPPORTED 1 57 #define FLAC__FMA_SUPPORTED 1 58 #endif 59 #elif defined _MSC_VER 60 #define FLAC__SSE_TARGET(x) 61 #define FLAC__SSE_SUPPORTED 1 62 #define FLAC__SSE2_SUPPORTED 1 63 #if (_MSC_VER >= 1500) /* MS Visual Studio 2008 */ 64 #define FLAC__SSSE3_SUPPORTED 1 65 #define FLAC__SSE4_1_SUPPORTED 1 66 #endif 67 #if (_MSC_FULL_VER >= 160040219) /* MS Visual Studio 2010 SP1 */ 68 #define FLAC__AVX_SUPPORTED 1 69 #endif 70 #if (_MSC_VER >= 1700) /* MS Visual Studio 2012 */ 71 #define FLAC__AVX2_SUPPORTED 1 72 #define FLAC__FMA_SUPPORTED 1 73 #endif 74 #elif defined __GNUC__ 75 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9)) /* since GCC 4.9 -msse.. compiler options aren't necessary */ 76 #define FLAC__SSE_TARGET(x) __attribute__ ((__target__ (x))) 77 #define FLAC__SSE_SUPPORTED 1 78 #define FLAC__SSE2_SUPPORTED 1 79 #define FLAC__SSSE3_SUPPORTED 1 80 #define FLAC__SSE4_1_SUPPORTED 1 81 #define FLAC__AVX_SUPPORTED 1 82 #define FLAC__AVX2_SUPPORTED 1 83 #define FLAC__FMA_SUPPORTED 1 84 #else /* for GCC older than 4.9 */ 85 #define FLAC__SSE_TARGET(x) 86 #ifdef __SSE__ 87 #define FLAC__SSE_SUPPORTED 1 88 #endif 89 #ifdef __SSE2__ 90 #define FLAC__SSE2_SUPPORTED 1 91 #endif 92 #ifdef __SSSE3__ 93 #define FLAC__SSSE3_SUPPORTED 1 94 #endif 95 #ifdef __SSE4_1__ 96 #define FLAC__SSE4_1_SUPPORTED 1 97 #endif 98 #ifdef __AVX__ 99 #define FLAC__AVX_SUPPORTED 1 100 #endif 101 #ifdef __AVX2__ 102 #define FLAC__AVX2_SUPPORTED 1 103 #endif 104 #ifdef __FMA__ 105 #define FLAC__FMA_SUPPORTED 1 106 #endif 107 #endif /* GCC version */ 108 #endif /* compiler version */ 109 #endif /* intrinsics support */ 110 111 typedef enum { 112 FLAC__CPUINFO_TYPE_IA32, 113 FLAC__CPUINFO_TYPE_X86_64, 114 FLAC__CPUINFO_TYPE_UNKNOWN 115 } FLAC__CPUInfo_Type; 116 117 #if defined FLAC__CPU_IA32 118 typedef struct { 119 FLAC__bool cmov; 120 FLAC__bool mmx; 121 FLAC__bool sse; 122 FLAC__bool sse2; 123 124 FLAC__bool sse3; 125 FLAC__bool ssse3; 126 FLAC__bool sse41; 127 FLAC__bool sse42; 128 FLAC__bool avx; 129 FLAC__bool avx2; 130 FLAC__bool fma; 131 } FLAC__CPUInfo_IA32; 132 #elif defined FLAC__CPU_X86_64 133 typedef struct { 134 FLAC__bool sse3; 135 FLAC__bool ssse3; 136 FLAC__bool sse41; 137 FLAC__bool sse42; 138 FLAC__bool avx; 139 FLAC__bool avx2; 140 FLAC__bool fma; 141 } FLAC__CPUInfo_x86; 142 #endif 143 144 typedef struct { 145 FLAC__bool use_asm; 146 FLAC__CPUInfo_Type type; 147 #if defined FLAC__CPU_IA32 148 FLAC__CPUInfo_IA32 ia32; 149 #elif defined FLAC__CPU_X86_64 150 FLAC__CPUInfo_x86 x86; 151 #endif 152 } FLAC__CPUInfo; 153 154 void FLAC__cpu_info(FLAC__CPUInfo *info); 155 156 #ifndef FLAC__NO_ASM 157 # if defined FLAC__CPU_IA32 && defined FLAC__HAS_NASM 158 FLAC__uint32 FLAC__cpu_have_cpuid_asm_ia32(void); 159 void FLAC__cpu_info_asm_ia32(FLAC__uint32 *flags_edx, FLAC__uint32 *flags_ecx); 160 # endif 161 # if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && defined FLAC__HAS_X86INTRIN 162 FLAC__uint32 FLAC__cpu_have_cpuid_x86(void); 163 void FLAC__cpu_info_x86(FLAC__uint32 level, FLAC__uint32 *eax, FLAC__uint32 *ebx, FLAC__uint32 *ecx, FLAC__uint32 *edx); 164 FLAC__uint32 FLAC__cpu_xgetbv_x86(void); 165 # endif 166 #endif 167 168 #endif 169