137         const U32 repIndex = curr + 1 - offset_1;  in ZSTD_compressBlock_doubleFast_generic()  local
139                             && repIndex < prefixLowestIndex) ?  in ZSTD_compressBlock_doubleFast_generic()
140                                dictBase + (repIndex - dictIndexDelta) :  in ZSTD_compressBlock_doubleFast_generic()
141                                base + repIndex;  in ZSTD_compressBlock_doubleFast_generic()
146             && ((U32)((prefixLowestIndex-1) - repIndex) >= 3 /* intentional underflow */)  in ZSTD_compressBlock_doubleFast_generic()
148             const BYTE* repMatchEnd = repIndex < prefixLowestIndex ? dictEnd : iend;  in ZSTD_compressBlock_doubleFast_generic()
403         const U32 repIndex = curr + 1 - offset_1;   /* offset_1 expected <= curr +1 */  in ZSTD_compressBlock_doubleFast_extDict_generic()  local
404         const BYTE* const repBase = repIndex < prefixStartIndex ? dictBase : base;  in ZSTD_compressBlock_doubleFast_extDict_generic()
405         const BYTE* const repMatch = repBase + repIndex;  in ZSTD_compressBlock_doubleFast_extDict_generic()
409 …if ((((U32)((prefixStartIndex-1) - repIndex) >= 3) /* intentional underflow : ensure repIndex does…  in ZSTD_compressBlock_doubleFast_extDict_generic()
410             & (repIndex > dictStartIndex))  in ZSTD_compressBlock_doubleFast_extDict_generic()
412             const BYTE* repMatchEnd = repIndex < prefixStartIndex ? dictEnd : iend;  in ZSTD_compressBlock_doubleFast_extDict_generic()