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Fix dmsBtLow Test

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This commit is contained in:
W. Felix Handte 2018-06-21 15:24:08 -04:00
parent 5da9bbc38e
commit 3caba150c6
2 changed files with 2 additions and 2 deletions
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2
lib/compress/zstd_lazy.c
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@ -166,7 +166,7 @@ static size_t ZSTD_DUBT_findBetterDictMatch (
U32* const dictBt = dms->chainTable;
U32 const btLog = cParams->chainLog - 1;
U32 const btMask = (1 << btLog) - 1;
U32 const btLow = (btMask >= dictHighLimit - dictLowLimit) ? 0 : dictHighLimit - btMask;
U32 const btLow = (btMask >= dictHighLimit - dictLowLimit) ? dictLowLimit : dictHighLimit - btMask;
size_t commonLengthSmaller=0, commonLengthLarger=0;
U32 matchEndIdx = current+8+1;

2
lib/compress/zstd_opt.c
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@ -532,7 +532,7 @@ U32 ZSTD_insertBtAndGetAllMatches (
U32 const dmsHighLimit = dictMode == ZSTD_dictMatchState ? (U32)(dmsEnd - dmsBase) : 0;
U32 const dmsLowLimit = dictMode == ZSTD_dictMatchState ? dms->window.lowLimit : 0;
U32 const dmsIndexDelta = dictMode == ZSTD_dictMatchState ? windowLow - dmsHighLimit : 0;
U32 const dmsBtLow = dictMode == ZSTD_dictMatchState || btMask >= dmsHighLimit ? 0 : dmsHighLimit - btMask;
U32 const dmsBtLow = dictMode == ZSTD_dictMatchState && btMask < dmsHighLimit - dmsLowLimit ? dmsHighLimit - btMask : dmsLowLimit;
size_t bestLength = lengthToBeat-1;
DEBUGLOG(8, "ZSTD_insertBtAndGetAllMatches: current=%u", current);