379     const U32   prefixStartIndex = (dictLimit > lowLimit) ? dictLimit : lowLimit;  in ZSTD_compressBlock_doubleFast_extDict_generic()  local
380     const BYTE* const prefixStart = base + prefixStartIndex;  in ZSTD_compressBlock_doubleFast_extDict_generic()
383     const BYTE* const dictEnd = dictBase + prefixStartIndex;  in ZSTD_compressBlock_doubleFast_extDict_generic()
389     if (prefixStartIndex == dictStartIndex)  in ZSTD_compressBlock_doubleFast_extDict_generic()
396         const BYTE* const matchBase = matchIndex < prefixStartIndex ? dictBase : base;  in ZSTD_compressBlock_doubleFast_extDict_generic()
401         const BYTE* const matchLongBase = matchLongIndex < prefixStartIndex ? dictBase : base;  in ZSTD_compressBlock_doubleFast_extDict_generic()
406         const BYTE* const repBase = repIndex < prefixStartIndex ? dictBase : base;  in ZSTD_compressBlock_doubleFast_extDict_generic()
411 …if ((((U32)((prefixStartIndex-1) - repIndex) >= 3) /* intentional underflow : ensure repIndex does…  in ZSTD_compressBlock_doubleFast_extDict_generic()
414             const BYTE* repMatchEnd = repIndex < prefixStartIndex ? dictEnd : iend;  in ZSTD_compressBlock_doubleFast_extDict_generic()
420                 const BYTE* const matchEnd = matchLongIndex < prefixStartIndex ? dictEnd : iend;  in ZSTD_compressBlock_doubleFast_extDict_generic()
421 …       const BYTE* const lowMatchPtr = matchLongIndex < prefixStartIndex ? dictStart : prefixStart;  in ZSTD_compressBlock_doubleFast_extDict_generic()
433                 const BYTE* const match3Base = matchIndex3 < prefixStartIndex ? dictBase : base;  in ZSTD_compressBlock_doubleFast_extDict_generic()
438                     const BYTE* const matchEnd = matchIndex3 < prefixStartIndex ? dictEnd : iend;  in ZSTD_compressBlock_doubleFast_extDict_generic()
439 …          const BYTE* const lowMatchPtr = matchIndex3 < prefixStartIndex ? dictStart : prefixStart;  in ZSTD_compressBlock_doubleFast_extDict_generic()
445                     const BYTE* const matchEnd = matchIndex < prefixStartIndex ? dictEnd : iend;  in ZSTD_compressBlock_doubleFast_extDict_generic()
446 …           const BYTE* const lowMatchPtr = matchIndex < prefixStartIndex ? dictStart : prefixStart;  in ZSTD_compressBlock_doubleFast_extDict_generic()
478 …    const BYTE* repMatch2 = repIndex2 < prefixStartIndex ? dictBase + repIndex2 : base + repIndex2;  in ZSTD_compressBlock_doubleFast_extDict_generic()
479 …if ( (((U32)((prefixStartIndex-1) - repIndex2) >= 3)   /* intentional overflow : ensure repIndex2 …  in ZSTD_compressBlock_doubleFast_extDict_generic()
482                     const BYTE* const repEnd2 = repIndex2 < prefixStartIndex ? dictEnd : iend;  in ZSTD_compressBlock_doubleFast_extDict_generic()