arm.h 1.0 KB

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