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