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minor decompression speed gains

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This commit is contained in:
Yann Collet
2016-07-30 03:20:47 +02:00
parent 70a9ff4af3
commit 3c6b808870
2 changed files with 8 additions and 8 deletions
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lib/compress/zstd_compress.c
+3 -3
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@@ -707,12 +707,12 @@ size_t ZSTD_compressSequences(ZSTD_CCtx* zc,
{ size_t n;
for (n=nbSeq-2 ; n<nbSeq ; n--) { /* intentional underflow */
BYTE const llCode = llCodeTable[n];
BYTE const ofCode = ofCodeTable[n];
BYTE const mlCode = mlCodeTable[n];
BYTE const llCode = llCodeTable[n];
U32 const llBits = LL_bits[llCode];
U32 const mlBits = ML_bits[mlCode];
U32 const ofBits = ofCode; /* 32b*/ /* 64b*/
U32 const mlBits = ML_bits[mlCode];
/* (7)*/ /* (7)*/
FSE_encodeSymbol(&blockStream, &stateOffsetBits, ofCode); /* 15 */ /* 15 */
FSE_encodeSymbol(&blockStream, &stateMatchLength, mlCode); /* 24 */ /* 24 */
@@ -724,7 +724,7 @@ size_t ZSTD_compressSequences(ZSTD_CCtx* zc,
if (MEM_32bits() && ((llBits+mlBits)>24)) BIT_flushBits(&blockStream);
BIT_addBits(&blockStream, sequences[n].matchLength, mlBits);
if (MEM_32bits()) BIT_flushBits(&blockStream); /* (7)*/
BIT_addBits(&blockStream, sequences[n].offset, ofBits); /* 31 */
BIT_addBits(&blockStream, sequences[n].offset, ofBits); /* 31 */
BIT_flushBits(&blockStream); /* (7)*/
} }