ffmpeg | branch: master | Supraja Meedinti <supraja0...@gmail.com> | Tue Feb 10 21:42:07 2015 +0530| [8d5a8501195283e6f09f0d0b929cf2e893194df7] | committer: Michael Niedermayer
libavutil: camellia: remove unwanted memory loads lavu CAMELLIA size: 1048576 runs: 1024 time: 21.549 +- 0.17 Signed-off-by: Michael Niedermayer <michae...@gmx.at> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8d5a8501195283e6f09f0d0b929cf2e893194df7 --- libavutil/camellia.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/libavutil/camellia.c b/libavutil/camellia.c index 62ee96b..483eed2 100644 --- a/libavutil/camellia.c +++ b/libavutil/camellia.c @@ -142,11 +142,9 @@ static void LR128(uint64_t d[2], const uint64_t K[2], int x) static uint64_t F(uint64_t F_IN, uint64_t KE) { - uint8_t y[8]; KE ^= F_IN; - AV_WB64(y,KE); - KE=SP[0][y[0]] ^ SP[1][y[1]] ^ SP[2][y[2]] ^ SP[3][y[3]] ^ SP[4][y[4]] ^ SP[5][y[5]] ^ SP[6][y[6]] ^ SP[7][y[7]]; - return KE; + F_IN=SP[0][KE >> 56]^SP[1][(KE >> 48) & MASK8]^SP[2][(KE >> 40) & MASK8]^SP[3][(KE >> 32) & MASK8]^SP[4][(KE >> 24) & MASK8]^SP[5][(KE >> 16) & MASK8]^SP[6][(KE >> 8) & MASK8]^SP[7][KE & MASK8]; + return F_IN; } static uint64_t FL(uint64_t FL_IN, uint64_t KE) _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
