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| author | Moritz Hanke <hanke@dkrz.de> | 2012-12-10 13:46:54 +0100 |
|---|---|---|
| committer | Thomas Jahns <jahns@dkrz.de> | 2013-02-19 11:33:02 +0100 |
| commit | b20512d2a44fa789eab7fafc60f4cad6cb22ed71 (patch) | |
| tree | b118d7db3dc34042e9a056a85f4035b132ee133d /src/decode.c | |
| parent | 69837c2fffa353a9441075f3bf7fc8f227afb2bb (diff) | |
| download | libaec-b20512d2a44fa789eab7fafc60f4cad6cb22ed71.tar.gz libaec-b20512d2a44fa789eab7fafc60f4cad6cb22ed71.tar.bz2 libaec-b20512d2a44fa789eab7fafc60f4cad6cb22ed71.zip | |
unrolling in fill_acc
Diffstat (limited to 'src/decode.c')
| -rw-r--r-- | src/decode.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/decode.c b/src/decode.c index 739c218..6787783 100644 --- a/src/decode.c +++ b/src/decode.c @@ -220,8 +220,25 @@ static inline void fill_acc(struct aec_stream *strm) strm->avail_in -= b; strm->state->bitp += b << 3; - while (b--) + + switch (b) { + + case (7): + strm->state->acc = (strm->state->acc << 8) | *strm->next_in++; + case (6): + strm->state->acc = (strm->state->acc << 8) | *strm->next_in++; + case (5): + strm->state->acc = (strm->state->acc << 8) | *strm->next_in++; + case (4): strm->state->acc = (strm->state->acc << 8) | *strm->next_in++; + case (3): + strm->state->acc = (strm->state->acc << 8) | *strm->next_in++; + case (2): + strm->state->acc = (strm->state->acc << 8) | *strm->next_in++; + case (1): + strm->state->acc = (strm->state->acc << 8) | *strm->next_in++; + }; + } static inline uint32_t direct_get(struct aec_stream *strm, unsigned int n) |