arm.h (1534B)
1 /* 2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved. 3 * 4 * This source code is subject to the terms of the BSD 2 Clause License and 5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License 6 * was not distributed with this source code in the LICENSE file, you can 7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open 8 * Media Patent License 1.0 was not distributed with this source code in the 9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent. 10 */ 11 12 #ifndef AOM_AOM_PORTS_ARM_H_ 13 #define AOM_AOM_PORTS_ARM_H_ 14 #include <stdlib.h> 15 16 #include "config/aom_config.h" 17 18 #ifdef __cplusplus 19 extern "C" { 20 #endif 21 22 // Armv7-A optional Neon instructions, mandatory from Armv8.0-A. 23 #define HAS_NEON (1 << 0) 24 // Armv8.0-A optional CRC32 instructions, mandatory from Armv8.1-A. 25 #define HAS_ARM_CRC32 (1 << 1) 26 // Armv8.2-A optional Neon dot-product instructions, mandatory from Armv8.4-A. 27 #define HAS_NEON_DOTPROD (1 << 2) 28 // Armv8.2-A optional Neon i8mm instructions, mandatory from Armv8.6-A. 29 #define HAS_NEON_I8MM (1 << 3) 30 // Armv8.2-A optional SVE instructions, mandatory from Armv9.0-A. 31 #define HAS_SVE (1 << 4) 32 // Armv9.0-A SVE2 instructions. 33 #define HAS_SVE2 (1 << 5) 34 35 int aom_arm_cpu_caps(void); 36 37 // Earlier gcc compilers have issues with some neon intrinsics 38 #if !defined(__clang__) && defined(__GNUC__) && __GNUC__ == 4 && \ 39 __GNUC_MINOR__ <= 6 40 #define AOM_INCOMPATIBLE_GCC 41 #endif 42 43 #ifdef __cplusplus 44 } // extern "C" 45 #endif 46 47 #endif // AOM_AOM_PORTS_ARM_H_