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Side by Side Diff: include/libyuv/cpu_id.h

Issue 2418763006: Add f16c (halffloat) cpuid (Closed)
Patch Set: bump version to r1627 Created 4 years, 2 months ago
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1 /* 1 /*
2 * Copyright 2011 The LibYuv Project Authors. All rights reserved. 2 * Copyright 2011 The LibYuv Project Authors. All rights reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source 5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
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24 // These flags are only valid on ARM processors. 24 // These flags are only valid on ARM processors.
25 static const int kCpuHasARM = 0x2; 25 static const int kCpuHasARM = 0x2;
26 static const int kCpuHasNEON = 0x4; 26 static const int kCpuHasNEON = 0x4;
27 // 0x8 reserved for future ARM flag. 27 // 0x8 reserved for future ARM flag.
28 28
29 // These flags are only valid on x86 processors. 29 // These flags are only valid on x86 processors.
30 static const int kCpuHasX86 = 0x10; 30 static const int kCpuHasX86 = 0x10;
31 static const int kCpuHasSSE2 = 0x20; 31 static const int kCpuHasSSE2 = 0x20;
32 static const int kCpuHasSSSE3 = 0x40; 32 static const int kCpuHasSSSE3 = 0x40;
33 static const int kCpuHasSSE41 = 0x80; 33 static const int kCpuHasSSE41 = 0x80;
34 static const int kCpuHasSSE42 = 0x100; 34 static const int kCpuHasSSE42 = 0x100; // unused at this time.
35 static const int kCpuHasAVX = 0x200; 35 static const int kCpuHasAVX = 0x200;
36 static const int kCpuHasAVX2 = 0x400; 36 static const int kCpuHasAVX2 = 0x400;
37 static const int kCpuHasERMS = 0x800; 37 static const int kCpuHasERMS = 0x800;
38 static const int kCpuHasFMA3 = 0x1000; 38 static const int kCpuHasFMA3 = 0x1000;
39 static const int kCpuHasAVX3 = 0x2000; 39 static const int kCpuHasAVX3 = 0x2000;
40 // 0x2000, 0x4000, 0x8000 reserved for future X86 flags. 40 static const int kCpuHasF16C = 0x4000;
41
42 // 0x8000 reserved for future X86 flags.
41 43
42 // These flags are only valid on MIPS processors. 44 // These flags are only valid on MIPS processors.
43 static const int kCpuHasMIPS = 0x10000; 45 static const int kCpuHasMIPS = 0x10000;
44 static const int kCpuHasDSPR2 = 0x20000; 46 static const int kCpuHasDSPR2 = 0x20000;
45 static const int kCpuHasMSA = 0x40000; 47 static const int kCpuHasMSA = 0x40000;
46 48
47 // Internal function used to auto-init. 49 // Internal function used to auto-init.
48 LIBYUV_API 50 LIBYUV_API
49 int InitCpuFlags(void); 51 int InitCpuFlags(void);
50 52
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72 // ecx is typically the cpu number, and should normally be zero. 74 // ecx is typically the cpu number, and should normally be zero.
73 LIBYUV_API 75 LIBYUV_API
74 void CpuId(uint32 eax, uint32 ecx, uint32* cpu_info); 76 void CpuId(uint32 eax, uint32 ecx, uint32* cpu_info);
75 77
76 #ifdef __cplusplus 78 #ifdef __cplusplus
77 } // extern "C" 79 } // extern "C"
78 } // namespace libyuv 80 } // namespace libyuv
79 #endif 81 #endif
80 82
81 #endif // INCLUDE_LIBYUV_CPU_ID_H_ 83 #endif // INCLUDE_LIBYUV_CPU_ID_H_
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