From: Yann Collet <yann.collet.73@gmail.com>
Date: Sat, 4 Sep 2021 00:41:42 +0000 (-0700)
Subject: new starting offcode table for zstd_opt
X-Git-Tag: v1.5.1~1^2~112^2~12
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=23a9368c45a0c87ec1a34f8a7fbeff3807dfe967;p=thirdparty%2Fzstd.git

new starting offcode table for zstd_opt
---

diff --git a/lib/compress/zstd_opt.c b/lib/compress/zstd_opt.c
index 48e1eec80..784bb918a 100644
--- a/lib/compress/zstd_opt.c
+++ b/lib/compress/zstd_opt.c
@@ -196,7 +196,6 @@ ZSTD_rescaleFreqs(optState_t* const optPtr,
                     1, 1, 1, 1
                 };
                 memcpy(optPtr->litLengthFreq, baseLLfreqs, sizeof(baseLLfreqs)); optPtr->litLengthSum = sum_u32(baseLLfreqs, MaxLL+1);
-                //unsigned ll; for (ll=0; ll<=MaxLL; ll++) optPtr->litLengthFreq[ll] = 1; optPtr->litLengthSum = MaxLL+1;
             }
 
             {   unsigned ml;
@@ -206,13 +205,12 @@ ZSTD_rescaleFreqs(optState_t* const optPtr,
             optPtr->matchLengthSum = MaxML+1;
 
             {   unsigned const baseOFCfreqs[MaxOff+1] = {
-                        8, 4, 3, 3, 3, 4, 4, 4,
-                        4, 4, 3, 3, 3, 2, 2, 2,
-                        1, 1, 1, 1, 1, 1, 1, 1,
-                        1, 1, 1, 1, 1, 1, 1, 1,
-                    };
-                //memcpy(optPtr->offCodeFreq, baseOFCfreqs, sizeof(baseOFCfreqs)); optPtr->offCodeSum = sum_u32(baseOFCfreqs, MaxOff+1);
-                unsigned of; for (of=0; of<=MaxOff; of++) optPtr->offCodeFreq[of] = 1; optPtr->offCodeSum = MaxOff+1;
+                    6, 2, 1, 1, 2, 3, 4, 4,
+                    4, 3, 2, 1, 1, 1, 1, 1,
+                    1, 1, 1, 1, 1, 1, 1, 1,
+                    1, 1, 1, 1, 1, 1, 1, 1
+                };
+                memcpy(optPtr->offCodeFreq, baseOFCfreqs, sizeof(baseOFCfreqs)); optPtr->offCodeSum = sum_u32(baseOFCfreqs, MaxOff+1);
             }