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| author | yalin wang <yalin.wang2010@gmail.com> | 2015-09-10 00:39:18 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-09-10 22:29:01 +0200 |
| commit | 8b235f2f16a472b8cfc10e8ef1286fcd3331e033 (patch) | |
| tree | 833e552d3da36089d23727f25b6e2b133d769eb3 /lib/zlib_deflate/defutil.h | |
| parent | lib/decompress_unlzma: Do a NULL check for pointer (diff) | |
| download | linux-8b235f2f16a472b8cfc10e8ef1286fcd3331e033.tar.xz linux-8b235f2f16a472b8cfc10e8ef1286fcd3331e033.zip | |
zlib_deflate/deftree: remove bi_reverse()
Remove bi_reverse() and use generic bitrev32() instead - it should have
better performance on some platforms.
Signed-off-by: yalin wang <yalin.wang2010@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/zlib_deflate/defutil.h')
| -rw-r--r-- | lib/zlib_deflate/defutil.h | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/lib/zlib_deflate/defutil.h b/lib/zlib_deflate/defutil.h index b640b6402e99..a8c370897c9f 100644 --- a/lib/zlib_deflate/defutil.h +++ b/lib/zlib_deflate/defutil.h @@ -293,22 +293,6 @@ void zlib_tr_stored_type_only (deflate_state *); } /* =========================================================================== - * Reverse the first len bits of a code, using straightforward code (a faster - * method would use a table) - * IN assertion: 1 <= len <= 15 - */ -static inline unsigned bi_reverse(unsigned code, /* the value to invert */ - int len) /* its bit length */ -{ - register unsigned res = 0; - do { - res |= code & 1; - code >>= 1, res <<= 1; - } while (--len > 0); - return res >> 1; -} - -/* =========================================================================== * Flush the bit buffer, keeping at most 7 bits in it. */ static inline void bi_flush(deflate_state *s) |