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Merge commit 'f79d847400d218cfd0b95f10358fe6e65ec3c9c4'

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* commit 'f79d847400d218cfd0b95f10358fe6e65ec3c9c4':
  intreadwrite: Use the __unaligned keyword on MSVC for ARM and x86_64

Merged-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2017-03-15 21:20:44 -03:00
commit 30fe4b8d4c
1 changed files with 5 additions and 0 deletions
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libavutil/intreadwrite.h
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@ -229,6 +229,11 @@ union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
# define AV_RN(s, p) (*((const __unaligned uint##s##_t*)(p)))
# define AV_WN(s, p, v) (*((__unaligned uint##s##_t*)(p)) = (v))
#elif defined(_MSC_VER) && (defined(_M_ARM) || defined(_M_X64)) && AV_HAVE_FAST_UNALIGNED
# define AV_RN(s, p) (*((const __unaligned uint##s##_t*)(p)))
# define AV_WN(s, p, v) (*((__unaligned uint##s##_t*)(p)) = (v))
#elif AV_HAVE_FAST_UNALIGNED
# define AV_RN(s, p) (((const av_alias##s*)(p))->u##s)