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Stop Separately Passing CParams in ZSTD_opt Internal Functions

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This commit is contained in:
W. Felix Handte
2018-09-28 17:10:42 -07:00
parent dcdf437fed
commit 97149f22c3
1 changed files with 13 additions and 11 deletions
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lib/compress/zstd_opt.c
+13 -11
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@@ -360,10 +360,11 @@ static U32 ZSTD_insertAndFindFirstIndexHash3 (ZSTD_matchState_t* ms, const BYTE*
* ip : assumed <= iend-8 .
* @return : nb of positions added */
static U32 ZSTD_insertBt1(
ZSTD_matchState_t* ms, ZSTD_compressionParameters const* cParams,
ZSTD_matchState_t* ms,
const BYTE* const ip, const BYTE* const iend,
U32 const mls, const int extDict)
{
const ZSTD_compressionParameters* const cParams = &ms->cParams;
U32* const hashTable = ms->hashTable;
U32 const hashLog = cParams->hashLog;
size_t const h = ZSTD_hashPtr(ip, hashLog, mls);
@@ -475,7 +476,6 @@ void ZSTD_updateTree_internal(
const BYTE* const ip, const BYTE* const iend,
const U32 mls, const ZSTD_dictMode_e dictMode)
{
const ZSTD_compressionParameters* const cParams = &ms->cParams;
const BYTE* const base = ms->window.base;
U32 const target = (U32)(ip - base);
U32 idx = ms->nextToUpdate;
@@ -483,7 +483,7 @@ void ZSTD_updateTree_internal(
idx, target, dictMode);
while(idx < target)
idx += ZSTD_insertBt1(ms, cParams, base+idx, iend, mls, dictMode == ZSTD_extDict);
idx += ZSTD_insertBt1(ms, base+idx, iend, mls, dictMode == ZSTD_extDict);
ms->nextToUpdate = target;
}
@@ -493,11 +493,12 @@ void ZSTD_updateTree(ZSTD_matchState_t* ms, const BYTE* ip, const BYTE* iend) {
FORCE_INLINE_TEMPLATE
U32 ZSTD_insertBtAndGetAllMatches (
ZSTD_matchState_t* ms, ZSTD_compressionParameters const* cParams,
ZSTD_matchState_t* ms,
const BYTE* const ip, const BYTE* const iLimit, const ZSTD_dictMode_e dictMode,
U32 rep[ZSTD_REP_NUM], U32 const ll0,
ZSTD_match_t* matches, const U32 lengthToBeat, U32 const mls /* template */)
{
const ZSTD_compressionParameters* const cParams = &ms->cParams;
U32 const sufficient_len = MIN(cParams->targetLength, ZSTD_OPT_NUM -1);
const BYTE* const base = ms->window.base;
U32 const current = (U32)(ip-base);
@@ -711,23 +712,24 @@ U32 ZSTD_insertBtAndGetAllMatches (
FORCE_INLINE_TEMPLATE U32 ZSTD_BtGetAllMatches (
ZSTD_matchState_t* ms, ZSTD_compressionParameters const* cParams,
ZSTD_matchState_t* ms,
const BYTE* ip, const BYTE* const iHighLimit, const ZSTD_dictMode_e dictMode,
U32 rep[ZSTD_REP_NUM], U32 const ll0,
ZSTD_match_t* matches, U32 const lengthToBeat)
{
const ZSTD_compressionParameters* const cParams = &ms->cParams;
U32 const matchLengthSearch = cParams->searchLength;
DEBUGLOG(8, "ZSTD_BtGetAllMatches");
if (ip < ms->window.base + ms->nextToUpdate) return 0; /* skipped area */
ZSTD_updateTree_internal(ms, ip, iHighLimit, matchLengthSearch, dictMode);
switch(matchLengthSearch)
{
case 3 : return ZSTD_insertBtAndGetAllMatches(ms, cParams, ip, iHighLimit, dictMode, rep, ll0, matches, lengthToBeat, 3);
case 3 : return ZSTD_insertBtAndGetAllMatches(ms, ip, iHighLimit, dictMode, rep, ll0, matches, lengthToBeat, 3);
default :
case 4 : return ZSTD_insertBtAndGetAllMatches(ms, cParams, ip, iHighLimit, dictMode, rep, ll0, matches, lengthToBeat, 4);
case 5 : return ZSTD_insertBtAndGetAllMatches(ms, cParams, ip, iHighLimit, dictMode, rep, ll0, matches, lengthToBeat, 5);
case 4 : return ZSTD_insertBtAndGetAllMatches(ms, ip, iHighLimit, dictMode, rep, ll0, matches, lengthToBeat, 4);
case 5 : return ZSTD_insertBtAndGetAllMatches(ms, ip, iHighLimit, dictMode, rep, ll0, matches, lengthToBeat, 5);
case 7 :
case 6 : return ZSTD_insertBtAndGetAllMatches(ms, cParams, ip, iHighLimit, dictMode, rep, ll0, matches, lengthToBeat, 6);
case 6 : return ZSTD_insertBtAndGetAllMatches(ms, ip, iHighLimit, dictMode, rep, ll0, matches, lengthToBeat, 6);
}
}
@@ -804,7 +806,7 @@ ZSTD_compressBlock_opt_generic(ZSTD_matchState_t* ms,
/* find first match */
{ U32 const litlen = (U32)(ip - anchor);
U32 const ll0 = !litlen;
U32 const nbMatches = ZSTD_BtGetAllMatches(ms, cParams, ip, iend, dictMode, rep, ll0, matches, minMatch);
U32 const nbMatches = ZSTD_BtGetAllMatches(ms, ip, iend, dictMode, rep, ll0, matches, minMatch);
if (!nbMatches) { ip++; continue; }
/* initialize opt[0] */
@@ -901,7 +903,7 @@ ZSTD_compressBlock_opt_generic(ZSTD_matchState_t* ms,
U32 const litlen = (opt[cur].mlen == 0) ? opt[cur].litlen : 0;
U32 const previousPrice = opt[cur].price;
U32 const basePrice = previousPrice + ZSTD_litLengthPrice(0, optStatePtr, optLevel);
U32 const nbMatches = ZSTD_BtGetAllMatches(ms, cParams, inr, iend, dictMode, opt[cur].rep, ll0, matches, minMatch);
U32 const nbMatches = ZSTD_BtGetAllMatches(ms, inr, iend, dictMode, opt[cur].rep, ll0, matches, minMatch);
U32 matchNb;
if (!nbMatches) {
DEBUGLOG(7, "rPos:%u : no match found", cur);