• James Almer's avatar
    avutil/md5: fix misaligned reads · e2b7ae4b
    James Almer authored
    This makes ubsan happy and also considerably increases performance on
    big endian systems.
    
    Tested on an IBM POWER7 3.55 GHz
    
    Before:
    
    2.24user 0.14system 0:02.39elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k
    2.26user 0.11system 0:02.38elapsed 99%CPU (0avgtext+0avgdata 2688maxresident)k
    2.23user 0.15system 0:02.38elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k
    2.25user 0.12system 0:02.38elapsed 100%CPU (0avgtext+0avgdata 2624maxresident)k
    2.20user 0.15system 0:02.36elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k
    
    After:
    
    1.86user 0.13system 0:02.00elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k
    1.89user 0.11system 0:02.01elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k
    1.85user 0.14system 0:02.00elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k
    1.84user 0.15system 0:01.99elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k
    1.89user 0.13system 0:02.02elapsed 99%CPU (0avgtext+0avgdata 2688maxresident)k
    Tested-by: 's avatarNicolas George <george@nsup.org>
    Reviewed-by: 's avatarMichael Niedermayer <michael@niedermayer.cc>
    Signed-off-by: 's avatarJames Almer <jamrial@gmail.com>
    e2b7ae4b
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