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Add a ZSTD_dedicatedDictSearch ZSTD_dictMode_e to Allow Const Propagation

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Speed +1.5%.
This commit is contained in:
W. Felix Handte
2020-09-10 18:51:52 -04:00
parent beefdb0d3d
commit 34b545acb0
4 changed files with 85 additions and 20 deletions
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lib/compress/zstd_compress_internal.h
+7 -2
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@@ -299,7 +299,12 @@ struct ZSTD_CCtx_s {
typedef enum { ZSTD_dtlm_fast, ZSTD_dtlm_full } ZSTD_dictTableLoadMethod_e;
typedef enum { ZSTD_noDict = 0, ZSTD_extDict = 1, ZSTD_dictMatchState = 2 } ZSTD_dictMode_e;
typedef enum {
ZSTD_noDict = 0,
ZSTD_extDict = 1,
ZSTD_dictMatchState = 2,
ZSTD_dedicatedDictSearch = 3
} ZSTD_dictMode_e;
typedef size_t (*ZSTD_blockCompressor) (
@@ -763,7 +768,7 @@ MEM_STATIC ZSTD_dictMode_e ZSTD_matchState_dictMode(const ZSTD_matchState_t *ms)
return ZSTD_window_hasExtDict(ms->window) ?
ZSTD_extDict :
ms->dictMatchState != NULL ?
ZSTD_dictMatchState :
(ms->dictMatchState->enableDedicatedDictSearch ? ZSTD_dedicatedDictSearch : ZSTD_dictMatchState) :
ZSTD_noDict;
}