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| author | Supraja Meedinti <supraja0493@gmail.com> | 2015-02-10 21:24:07 +0530 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-02-10 17:15:36 +0100 |
| commit | 8d5a8501195283e6f09f0d0b929cf2e893194df7 (patch) | |
| tree | fc0b052c5e3becdd8d8889a450a4db1760b14b4c /libavutil/camellia.c | |
| parent | 7fc33dca395c4b9c089f6a5f9aaba1133a5452a2 (diff) | |
| download | ffmpeg-8d5a8501195283e6f09f0d0b929cf2e893194df7.tar.gz | |
libavutil: camellia: remove unwanted memory loads
lavu CAMELLIA size: 1048576 runs: 1024 time: 21.549 +- 0.17
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/camellia.c')
| -rw-r--r-- | libavutil/camellia.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/libavutil/camellia.c b/libavutil/camellia.c index 62ee96b695..483eed22f0 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) |