small ratio improvement with MINMATCH=3

2016-03-10 13:18:36 +01:00
parent b5a519f43c
commit b0c640d934
1 changed files with 2 additions and 2 deletions
@@ -244,8 +244,8 @@ static U32 ZSTD_insertBtAndGetAllMatches (

    if (minMatch == 3) { /* HC3 match finder */
        U32 matchIndex3 = ZSTD_insertAndFindFirstIndexHash3 (zc, ip);
-
-        if (matchIndex3>windowLow) {
+        
+        if (matchIndex3>windowLow && (current - matchIndex3 < (1<<18))) {
            const BYTE* match;
            size_t currentMl=0;
            if ((!extDict) || matchIndex3 >= dictLimit) {