1 /* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 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 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef VPX_VPX_PORTS_ARM_H_ 12 #define VPX_VPX_PORTS_ARM_H_ 13 #include <stdlib.h> 14 #include "vpx_config.h" 15 16 #ifdef __cplusplus 17 extern "C" { 18 #endif 19 20 // Armv7-A optional Neon instructions, mandatory from Armv8.0-A. 21 #define HAS_NEON (1 << 0) 22 // Armv8.2-A optional Neon dot-product instructions, mandatory from Armv8.4-A. 23 #define HAS_NEON_DOTPROD (1 << 1) 24 // Armv8.2-A optional Neon i8mm instructions, mandatory from Armv8.6-A. 25 #define HAS_NEON_I8MM (1 << 2) 26 // Armv8.2-A optional SVE instructions, mandatory from Armv9.0-A. 27 #define HAS_SVE (1 << 3) 28 // Armv9.0-A SVE2 instructions. 29 #define HAS_SVE2 (1 << 4) 30 31 int arm_cpu_caps(void); 32 33 // Earlier gcc compilers have issues with some neon intrinsics 34 #if !defined(__clang__) && defined(__GNUC__) && __GNUC__ == 4 && \ 35 __GNUC_MINOR__ <= 6 36 #define VPX_INCOMPATIBLE_GCC 37 #endif 38 39 #ifdef __cplusplus 40 } // extern "C" 41 #endif 42 43 #endif // VPX_VPX_PORTS_ARM_H_ 44