From: senhuang42 <senhuang96@fb.com>
Date: Sat, 26 Sep 2020 15:13:39 +0000 (-0400)
Subject: Modify codepath to use opt parser exclusively if the compression level is high enough
X-Git-Tag: v1.4.7~57^2~49
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=35d9f488f5d3dd8918cba5e44d946ce5ce17339d;p=thirdparty%2Fzstd.git

Modify codepath to use opt parser exclusively if the compression level is high enough
---

diff --git a/lib/compress/zstd_ldm.c b/lib/compress/zstd_ldm.c
index dbfce3dce..c68693bd6 100644
--- a/lib/compress/zstd_ldm.c
+++ b/lib/compress/zstd_ldm.c
@@ -576,6 +576,13 @@ size_t ZSTD_ldm_blockCompress(rawSeqStore_t* rawSeqStore,
     /* Input positions */
     BYTE const* ip = istart;
 
+    if (cParams->strategy >= ZSTD_btopt) {
+        size_t lastLLSize;
+        ms->ldmSeqStore = *rawSeqStore; /* copy current seqStore */
+        lastLLSize = blockCompressor(ms, seqStore, rep, src, srcSize);
+        return lastLLSize;
+    }
+
     DEBUGLOG(5, "ZSTD_ldm_blockCompress: srcSize=%zu", srcSize);
     assert(rawSeqStore->pos <= rawSeqStore->size);
     assert(rawSeqStore->size <= rawSeqStore->capacity);