/usr/include/thunderbird/vpx/arm.h is in thunderbird-dev 1:52.8.0-1~deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | /*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VPX_PORTS_ARM_H_
#define VPX_PORTS_ARM_H_
#include <stdlib.h>
#include "vpx_config.h"
#ifdef __cplusplus
extern "C" {
#endif
/*ARMv5TE "Enhanced DSP" instructions.*/
#define HAS_EDSP 0x01
/*ARMv6 "Parallel" or "Media" instructions.*/
#define HAS_MEDIA 0x02
/*ARMv7 optional NEON instructions.*/
#define HAS_NEON 0x04
int arm_cpu_caps(void);
// Earlier gcc compilers have issues with some neon intrinsics
#if !defined(__clang__) && defined(__GNUC__) && \
__GNUC__ == 4 && __GNUC_MINOR__ <= 6
#define VPX_INCOMPATIBLE_GCC
#endif
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VPX_PORTS_ARM_H_
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