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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