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| author | Denis Vlasenko <vda.linux@googlemail.com> | 2007-10-14 07:49:48 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2007-10-14 07:49:48 +0000 |
| commit | 6a9154b6f649341870bc06e896d2fe7235a4aef9 (patch) | |
| tree | b80d1603d370838166ada58b42cd6e0b8c7c6970 /archival/bz/huffman.c | |
| parent | 3f5fdc7572d932f33f81029956b87230c9b05182 (diff) | |
| download | busybox-w32-6a9154b6f649341870bc06e896d2fe7235a4aef9.tar.gz busybox-w32-6a9154b6f649341870bc06e896d2fe7235a4aef9.tar.bz2 busybox-w32-6a9154b6f649341870bc06e896d2fe7235a4aef9.zip | |
bzip2: eliminate some divisions
Diffstat (limited to 'archival/bz/huffman.c')
| -rw-r--r-- | archival/bz/huffman.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/archival/bz/huffman.c b/archival/bz/huffman.c index 3f80c9976..02838c496 100644 --- a/archival/bz/huffman.c +++ b/archival/bz/huffman.c | |||
| @@ -183,6 +183,8 @@ void BZ2_hbMakeCodeLengths(uint8_t *len, | |||
| 183 | 183 | ||
| 184 | for (i = 1; i <= alphaSize; i++) { | 184 | for (i = 1; i <= alphaSize; i++) { |
| 185 | j = weight[i] >> 8; | 185 | j = weight[i] >> 8; |
| 186 | /* bbox: yes, it is a signed division. | ||
| 187 | * don't replace with shift! */ | ||
| 186 | j = 1 + (j / 2); | 188 | j = 1 + (j / 2); |
| 187 | weight[i] = j << 8; | 189 | weight[i] = j << 8; |
| 188 | } | 190 | } |