| /* |
| * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef VPX_VPX_PORTS_ARM_H_ |
| #define VPX_VPX_PORTS_ARM_H_ |
| #include <stdlib.h> |
| #include "vpx_config.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| // Armv7-A optional Neon instructions, mandatory from Armv8.0-A. |
| #define HAS_NEON (1 << 0) |
| // Armv8.2-A optional Neon dot-product instructions, mandatory from Armv8.4-A. |
| #define HAS_NEON_DOTPROD (1 << 1) |
| // Armv8.2-A optional Neon i8mm instructions, mandatory from Armv8.6-A. |
| #define HAS_NEON_I8MM (1 << 2) |
| // Armv8.2-A optional SVE instructions, mandatory from Armv9.0-A. |
| #define HAS_SVE (1 << 3) |
| |
| int arm_cpu_caps(void); |
| |
| // Earlier gcc compilers have issues with some neon intrinsics |
| #if !defined(__clang__) && defined(__GNUC__) && __GNUC__ == 4 && \ |
| __GNUC_MINOR__ <= 6 |
| #define VPX_INCOMPATIBLE_GCC |
| #endif |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // VPX_VPX_PORTS_ARM_H_ |