diff options
Diffstat (limited to 'media/libvpx/libvpx/vpx_ports/arm.h')
| -rw-r--r-- | media/libvpx/libvpx/vpx_ports/arm.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_ports/arm.h b/media/libvpx/libvpx/vpx_ports/arm.h new file mode 100644 index 0000000000..39365d18ee --- /dev/null +++ b/media/libvpx/libvpx/vpx_ports/arm.h @@ -0,0 +1,41 @@ +/* + * 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_VPX_PORTS_ARM_H_ +#define VPX_VPX_PORTS_ARM_H_ +#include <stdlib.h> +#include "vpx_config.h" + +#ifdef __cplusplus +extern "C" { +#endif + +// Armv7-A optional Neon instructions, mandatory from Armv8.0-A. +#define HAS_NEON (1 << 0) +// Armv8.2-A optional Neon dot-product instructions, mandatory from Armv8.4-A. +#define HAS_NEON_DOTPROD (1 << 1) +// Armv8.2-A optional Neon i8mm instructions, mandatory from Armv8.6-A. +#define HAS_NEON_I8MM (1 << 2) +// Armv8.2-A optional SVE instructions, mandatory from Armv9.0-A. +#define HAS_SVE (1 << 3) + +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_VPX_PORTS_ARM_H_ |