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introduced ZSTD_REP_MOVE and ZSTD_REP_INIT

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inikep
2016-03-18 11:03:43 +01:00
parent c56e32e782
commit eca2ec0b3b
4 changed files with 54 additions and 32 deletions
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lib/zstd_opt.h
+6 -6
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@@ -420,8 +420,8 @@ void ZSTD_compressBlock_opt_generic(ZSTD_CCtx* ctx,
U32 cur, match_num, last_pos, litlen, price;
/* init */
U32 rep[ZSTD_REP_NUM+1];
for (int i=0; i<ZSTD_REP_NUM+1; i++)
U32 rep[ZSTD_REP_INIT];
for (int i=0; i<ZSTD_REP_INIT; i++)
rep[i]=REPCODE_STARTVALUE;
ctx->nextToUpdate3 = ctx->nextToUpdate;
@@ -688,7 +688,7 @@ _storeSequence: /* cur, last_pos, best_mlen, best_off have to be set */
#endif
ZSTD_updatePrice(seqStorePtr, litLength, anchor, offset, mlen-minMatch);
ZSTD_storeSeq(seqStorePtr, litLength, anchor, offset ? offset + ZSTD_REP_NUM - 1 : 0, mlen-minMatch);
ZSTD_storeSeq(seqStorePtr, litLength, anchor, offset ? offset + ZSTD_REP_MOVE : 0, mlen-minMatch);
anchor = ip = ip + mlen;
} /* for (cur=0; cur < last_pos; ) */
@@ -748,8 +748,8 @@ void ZSTD_compressBlock_opt_extDict_generic(ZSTD_CCtx* ctx,
U32 cur, match_num, last_pos, litlen, price;
/* init */
U32 rep[ZSTD_REP_NUM+1];
for (int i=0; i<ZSTD_REP_NUM+1; i++)
U32 rep[ZSTD_REP_INIT];
for (int i=0; i<ZSTD_REP_INIT; i++)
rep[i]=REPCODE_STARTVALUE;
ctx->nextToUpdate3 = ctx->nextToUpdate;
@@ -1036,7 +1036,7 @@ _storeSequence: // cur, last_pos, best_mlen, best_off have to be set
#endif
ZSTD_updatePrice(seqStorePtr, litLength, anchor, offset, mlen-minMatch);
ZSTD_storeSeq(seqStorePtr, litLength, anchor, offset ? offset + ZSTD_REP_NUM - 1 : 0, mlen-minMatch);
ZSTD_storeSeq(seqStorePtr, litLength, anchor, offset ? offset + ZSTD_REP_MOVE : 0, mlen-minMatch);
anchor = ip = ip + mlen;
}