zstd/compress/zstd_lazy.c

1540         size_t offcode=STORE_REPCODE_1;  in ZSTD_compressBlock_lazy_generic()  local
1568                 matchLength = ml2, start = ip, offcode=offsetFound;  in ZSTD_compressBlock_lazy_generic()
1582               && (offcode) && ((offset_1>0) & (MEM_read32(ip) == MEM_read32(ip - offset_1)))) {  in ZSTD_compressBlock_lazy_generic()
1585 …      int const gain1 = (int)(matchLength*3 - ZSTD_highbit32((U32)STORED_TO_OFFBASE(offcode)) + 1);  in ZSTD_compressBlock_lazy_generic()
1587                     matchLength = mlRep, offcode = STORE_REPCODE_1, start = ip;  in ZSTD_compressBlock_lazy_generic()
1599 …      int const gain1 = (int)(matchLength*3 - ZSTD_highbit32((U32)STORED_TO_OFFBASE(offcode)) + 1);  in ZSTD_compressBlock_lazy_generic()
1601                         matchLength = mlRep, offcode = STORE_REPCODE_1, start = ip;  in ZSTD_compressBlock_lazy_generic()
1607 …      int const gain1 = (int)(matchLength*4 - ZSTD_highbit32((U32)STORED_TO_OFFBASE(offcode)) + 4);  in ZSTD_compressBlock_lazy_generic()
1609                     matchLength = ml2, offcode = offset2, start = ip;  in ZSTD_compressBlock_lazy_generic()
1618                   && (offcode) && ((offset_1>0) & (MEM_read32(ip) == MEM_read32(ip - offset_1)))) {  in ZSTD_compressBlock_lazy_generic()
1621 …      int const gain1 = (int)(matchLength*4 - ZSTD_highbit32((U32)STORED_TO_OFFBASE(offcode)) + 1);  in ZSTD_compressBlock_lazy_generic()
1623                         matchLength = mlRep, offcode = STORE_REPCODE_1, start = ip;  in ZSTD_compressBlock_lazy_generic()
1635 …      int const gain1 = (int)(matchLength*4 - ZSTD_highbit32((U32)STORED_TO_OFFBASE(offcode)) + 1);  in ZSTD_compressBlock_lazy_generic()
1637                             matchLength = mlRep, offcode = STORE_REPCODE_1, start = ip;  in ZSTD_compressBlock_lazy_generic()
1643 …      int const gain1 = (int)(matchLength*4 - ZSTD_highbit32((U32)STORED_TO_OFFBASE(offcode)) + 7);  in ZSTD_compressBlock_lazy_generic()
1645                         matchLength = ml2, offcode = offset2, start = ip;  in ZSTD_compressBlock_lazy_generic()
1656         if (STORED_IS_OFFSET(offcode)) {  in ZSTD_compressBlock_lazy_generic()
1658                 while ( ((start > anchor) & (start - STORED_OFFSET(offcode) > prefixLowest))  in ZSTD_compressBlock_lazy_generic()
1659 … && (start[-1] == (start-STORED_OFFSET(offcode))[-1]) )  /* only search for offset within prefix */  in ZSTD_compressBlock_lazy_generic()
1663                 U32 const matchIndex = (U32)((size_t)(start-base) - STORED_OFFSET(offcode));  in ZSTD_compressBlock_lazy_generic()
1668             offset_2 = offset_1; offset_1 = (U32)STORED_OFFSET(offcode);  in ZSTD_compressBlock_lazy_generic()
1673             ZSTD_storeSeq(seqStore, litLength, anchor, iend, (U32)offcode, matchLength);  in ZSTD_compressBlock_lazy_generic()
1689 …offcode = offset_2; offset_2 = offset_1; offset_1 = (U32)offcode;   /* swap offset_2 <=> offset_1 …  in ZSTD_compressBlock_lazy_generic()
1704 …              offcode = offset_2; offset_2 = offset_1; offset_1 = (U32)offcode; /* swap repcodes */  in ZSTD_compressBlock_lazy_generic()
1906         size_t offcode=STORE_REPCODE_1;  in ZSTD_compressBlock_lazy_extDict_generic()  local
1928                 matchLength = ml2, start = ip, offcode=offsetFound;  in ZSTD_compressBlock_lazy_extDict_generic()
1942             if (offcode) {  in ZSTD_compressBlock_lazy_extDict_generic()
1954 …      int const gain1 = (int)(matchLength*3 - ZSTD_highbit32((U32)STORED_TO_OFFBASE(offcode)) + 1);  in ZSTD_compressBlock_lazy_extDict_generic()
1956                         matchLength = repLength, offcode = STORE_REPCODE_1, start = ip;  in ZSTD_compressBlock_lazy_extDict_generic()
1963 …      int const gain1 = (int)(matchLength*4 - ZSTD_highbit32((U32)STORED_TO_OFFBASE(offcode)) + 4);  in ZSTD_compressBlock_lazy_extDict_generic()
1965                     matchLength = ml2, offcode = offset2, start = ip;  in ZSTD_compressBlock_lazy_extDict_generic()
1974                 if (offcode) {  in ZSTD_compressBlock_lazy_extDict_generic()
1986 …      int const gain1 = (int)(matchLength*4 - ZSTD_highbit32((U32)STORED_TO_OFFBASE(offcode)) + 1);  in ZSTD_compressBlock_lazy_extDict_generic()
1988                             matchLength = repLength, offcode = STORE_REPCODE_1, start = ip;  in ZSTD_compressBlock_lazy_extDict_generic()
1995 …      int const gain1 = (int)(matchLength*4 - ZSTD_highbit32((U32)STORED_TO_OFFBASE(offcode)) + 7);  in ZSTD_compressBlock_lazy_extDict_generic()
1997                         matchLength = ml2, offcode = offset2, start = ip;  in ZSTD_compressBlock_lazy_extDict_generic()
2004         if (STORED_IS_OFFSET(offcode)) {  in ZSTD_compressBlock_lazy_extDict_generic()
2005             U32 const matchIndex = (U32)((size_t)(start-base) - STORED_OFFSET(offcode));  in ZSTD_compressBlock_lazy_extDict_generic()
2009             offset_2 = offset_1; offset_1 = (U32)STORED_OFFSET(offcode);  in ZSTD_compressBlock_lazy_extDict_generic()
2015             ZSTD_storeSeq(seqStore, litLength, anchor, iend, (U32)offcode, matchLength);  in ZSTD_compressBlock_lazy_extDict_generic()
2032 …      offcode = offset_2; offset_2 = offset_1; offset_1 = (U32)offcode;   /* swap offset history */  in ZSTD_compressBlock_lazy_extDict_generic()