From 1bee2d5e08208b01e496efa55c36c28422eaf35f Mon Sep 17 00:00:00 2001 From: Yann Collet Date: Sat, 20 Aug 2016 02:59:04 +0200 Subject: [PATCH] slight decompression speed improvement --- lib/decompress/zstd_decompress.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/decompress/zstd_decompress.c b/lib/decompress/zstd_decompress.c index 6c449fa50..1a1d7ce3e 100644 --- a/lib/decompress/zstd_decompress.c +++ b/lib/decompress/zstd_decompress.c @@ -678,7 +678,9 @@ size_t ZSTD_execSequence(BYTE* op, if (iLitEnd > litLimit_w) return ERROR(corruption_detected); /* over-read beyond lit buffer */ /* copy Literals */ - ZSTD_wildcopy(op, *litPtr, sequence.litLength); /* note : since oLitEnd <= oend-WILDCOPY_OVERLENGTH, no risk of overwrite beyond oend */ + ZSTD_copy8(op, *litPtr); + if (sequence.litLength > 8) + ZSTD_wildcopy(op+8, (*litPtr)+8, sequence.litLength - 8); /* note : since oLitEnd <= oend-WILDCOPY_OVERLENGTH, no risk of overwrite beyond oend */ op = oLitEnd; *litPtr = iLitEnd; /* update for next sequence */