vpx_ports/arm.h

   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