| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #ifndef AOM_AOM_PORTS_ARM_H_ |
| #define AOM_AOM_PORTS_ARM_H_ |
| #include <stdlib.h> |
| |
| #include "config/aom_config.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| // Armv7-A optional Neon instructions, mandatory from Armv8.0-A. |
| #define HAS_NEON (1 << 0) |
| // Armv8.0-A optional CRC32 instructions, mandatory from Armv8.1-A. |
| #define HAS_ARM_CRC32 (1 << 1) |
| // Armv8.2-A optional Neon dot-product instructions, mandatory from Armv8.4-A. |
| #define HAS_NEON_DOTPROD (1 << 2) |
| // Armv8.2-A optional Neon i8mm instructions, mandatory from Armv8.6-A. |
| #define HAS_NEON_I8MM (1 << 3) |
| // Armv8.2-A optional SVE instructions, mandatory from Armv9.0-A. |
| #define HAS_SVE (1 << 4) |
| |
| int aom_arm_cpu_caps(void); |
| |
| // Earlier gcc compilers have issues with some neon intrinsics |
| #if !defined(__clang__) && defined(__GNUC__) && __GNUC__ == 4 && \ |
| __GNUC_MINOR__ <= 6 |
| #define AOM_INCOMPATIBLE_GCC |
| #endif |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AOM_AOM_PORTS_ARM_H_ |