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 12 #ifndef VPX_PORTS_ARM_H_ 13 #define VPX_PORTS_ARM_H_ 14 #include <stdlib.h> 15 #include "vpx_config.h" 16 17 #ifdef __cplusplus 18 extern "C" { 19 #endif 20 21 /*ARMv5TE "Enhanced DSP" instructions.*/ 22 #define HAS_EDSP 0x01 23 /*ARMv6 "Parallel" or "Media" instructions.*/ 24 #define HAS_MEDIA 0x02 25 /*ARMv7 optional NEON instructions.*/ 26 #define HAS_NEON 0x04 27 28 int arm_cpu_caps(void); 29 30 // Earlier gcc compilers have issues with some neon intrinsics 31 #if !defined(__clang__) && defined(__GNUC__) && \ 32 __GNUC__ == 4 && __GNUC_MINOR__ <= 6 33 #define VPX_INCOMPATIBLE_GCC 34 #endif 35 36 #ifdef __cplusplus 37 } // extern "C" 38 #endif 39 40 #endif // VPX_PORTS_ARM_H_ 41 42