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From: "Liu, WeiX C" <weix.c.liu@intel.com>
To: devel@edk2.groups.io
Cc: Wei Liu <weix.c.liu@intel.com>,
	Liming Gao <gaoliming@byosoft.com.cn>
Subject: [PATCH 1/2] BaseTools LzmaCompress: Update LZMA to new 19.00 version
Date: Tue,  5 Jan 2021 14:14:02 +0800
Message-Id: <20210105061403.1309-1-weix.c.liu@intel.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3D3101
New formal release in https://www.7-zip.org/sdk.html is 19.00.

Cc: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Wei Liu <weix.c.liu@intel.com>
---
 BaseTools/Source/C/LzmaCompress/LZMA-SDK-README.txt      |   4 ++--
 BaseTools/Source/C/LzmaCompress/LzmaCompress.c           |   8 ++++----
 BaseTools/Source/C/LzmaCompress/Sdk/C/7zTypes.h          |   5 +++--
 BaseTools/Source/C/LzmaCompress/Sdk/C/7zVersion.h        |   8 ++++----
 BaseTools/Source/C/LzmaCompress/Sdk/C/CpuArch.h          |   9 +++++----
 BaseTools/Source/C/LzmaCompress/Sdk/C/LzFind.c           | 232 +++++++++++=
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----------------=
-----------------------------------------------------------------------
 BaseTools/Source/C/LzmaCompress/Sdk/C/LzFindMt.c         | 117 +++++++++++=
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-----------=
-------------------------------
 BaseTools/Source/C/LzmaCompress/Sdk/C/LzFindMt.h         |  14 +++++++----=
---
 BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaDec.c          |  32 +++++++++++=
+++++----------------
 BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c          | 907 +++++++++++=
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=
+++++++++++----------------------------------------------------------------=
---------------------------------------------------------------------------=
---------------------------------------------------------------------------=
---------------------------------------------------------------------------=
-----------------------------------------------------------------------
 BaseTools/Source/C/LzmaCompress/Sdk/DOC/lzma-history.txt | 114 +++++++++++=
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++------------------=
----------------------------
 BaseTools/Source/C/LzmaCompress/Sdk/DOC/lzma-sdk.txt     |   2 +-
 12 files changed, 877 insertions(+), 575 deletions(-)

diff --git a/BaseTools/Source/C/LzmaCompress/LZMA-SDK-README.txt b/BaseTool=
s/Source/C/LzmaCompress/LZMA-SDK-README.txt
index 7cf967a774..b2338e2598 100644
--- a/BaseTools/Source/C/LzmaCompress/LZMA-SDK-README.txt
+++ b/BaseTools/Source/C/LzmaCompress/LZMA-SDK-README.txt
@@ -1,3 +1,3 @@
-LzmaCompress is based on the LZMA SDK 18.05.  LZMA SDK 18.05=0D
-was placed in the public domain on 2018-04-30.  It was=0D
+LzmaCompress is based on the LZMA SDK 19.00.  LZMA SDK 19.00=0D
+was placed in the public domain on 2019-02-21.  It was=0D
 released on the http://www.7-zip.org/sdk.html website.=0D
diff --git a/BaseTools/Source/C/LzmaCompress/LzmaCompress.c b/BaseTools/Sou=
rce/C/LzmaCompress/LzmaCompress.c
index bebdb9aa84..bf4706ee23 100644
--- a/BaseTools/Source/C/LzmaCompress/LzmaCompress.c
+++ b/BaseTools/Source/C/LzmaCompress/LzmaCompress.c
@@ -1,9 +1,9 @@
 /** @file=0D
   LZMA Compress/Decompress tool (LzmaCompress)=0D
 =0D
-  Based on LZMA SDK 18.05:=0D
+  Based on LZMA SDK 19.00:=0D
     LzmaUtil.c -- Test application for LZMA compression=0D
-    2018-04-30 : Igor Pavlov : Public domain=0D
+    2019-02-21 : Igor Pavlov : Public domain=0D
 =0D
   Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>=0D
   SPDX-License-Identifier: BSD-2-Clause-Patent=0D
@@ -39,7 +39,7 @@ const char *kCantAllocateMessage =3D "Can not allocate me=
mory";
 const char *kDataErrorMessage =3D "Data error";=0D
 const char *kInvalidParamValMessage =3D "Invalid parameter value";=0D
 =0D
-static Bool mQuietMode =3D False;=0D
+static BoolInt mQuietMode =3D False;=0D
 static CONVERTER_TYPE mConType =3D NoConverter;=0D
 =0D
 UINT64 mDictionarySize =3D 28;=0D
@@ -244,7 +244,7 @@ int main2(int numArgs, const char *args[], char *rs)
   CFileOutStream outStream;=0D
   int res;=0D
   int encodeMode =3D 0;=0D
-  Bool modeWasSet =3D False;=0D
+  BoolInt modeWasSet =3D False;=0D
   const char *inputFile =3D NULL;=0D
   const char *outputFile =3D "file.tmp";=0D
   int param;=0D
diff --git a/BaseTools/Source/C/LzmaCompress/Sdk/C/7zTypes.h b/BaseTools/So=
urce/C/LzmaCompress/Sdk/C/7zTypes.h
index 4977cdaa66..593f5aa259 100644
--- a/BaseTools/Source/C/LzmaCompress/Sdk/C/7zTypes.h
+++ b/BaseTools/Source/C/LzmaCompress/Sdk/C/7zTypes.h
@@ -1,5 +1,5 @@
 /* 7zTypes.h -- Basic types=0D
-2017-07-17 : Igor Pavlov : Public domain */=0D
+2018-08-04 : Igor Pavlov : Public domain */=0D
 =0D
 #ifndef __7Z_TYPES_H=0D
 #define __7Z_TYPES_H=0D
@@ -103,7 +103,8 @@ typedef UInt32 SizeT;
 typedef size_t SizeT;=0D
 #endif=0D
 =0D
-typedef int Bool;=0D
+typedef int BoolInt;=0D
+/* typedef BoolInt Bool; */=0D
 #define True 1=0D
 #define False 0=0D
 =0D
diff --git a/BaseTools/Source/C/LzmaCompress/Sdk/C/7zVersion.h b/BaseTools/=
Source/C/LzmaCompress/Sdk/C/7zVersion.h
index ed3aa94270..0074c64be9 100644
--- a/BaseTools/Source/C/LzmaCompress/Sdk/C/7zVersion.h
+++ b/BaseTools/Source/C/LzmaCompress/Sdk/C/7zVersion.h
@@ -1,7 +1,7 @@
-#define MY_VER_MAJOR 18=0D
-#define MY_VER_MINOR 05=0D
+#define MY_VER_MAJOR 19=0D
+#define MY_VER_MINOR 00=0D
 #define MY_VER_BUILD 0=0D
-#define MY_VERSION_NUMBERS "18.05"=0D
+#define MY_VERSION_NUMBERS "19.00"=0D
 #define MY_VERSION MY_VERSION_NUMBERS=0D
 =0D
 #ifdef MY_CPU_NAME=0D
@@ -10,7 +10,7 @@
   #define MY_VERSION_CPU MY_VERSION=0D
 #endif=0D
 =0D
-#define MY_DATE "2018-04-30"=0D
+#define MY_DATE "2019-02-21"=0D
 #undef MY_COPYRIGHT=0D
 #undef MY_VERSION_COPYRIGHT_DATE=0D
 #define MY_AUTHOR_NAME "Igor Pavlov"=0D
diff --git a/BaseTools/Source/C/LzmaCompress/Sdk/C/CpuArch.h b/BaseTools/So=
urce/C/LzmaCompress/Sdk/C/CpuArch.h
index 7fb27282c7..5f74c1c0cb 100644
--- a/BaseTools/Source/C/LzmaCompress/Sdk/C/CpuArch.h
+++ b/BaseTools/Source/C/LzmaCompress/Sdk/C/CpuArch.h
@@ -1,5 +1,5 @@
 /* CpuArch.h -- CPU specific code=0D
-2017-09-04 : Igor Pavlov : Public domain */=0D
+2018-02-18 : Igor Pavlov : Public domain */=0D
 =0D
 #ifndef __CPU_ARCH_H=0D
 #define __CPU_ARCH_H=0D
@@ -318,15 +318,16 @@ enum
 =0D
 void MyCPUID(UInt32 function, UInt32 *a, UInt32 *b, UInt32 *c, UInt32 *d);=
=0D
 =0D
-Bool x86cpuid_CheckAndRead(Cx86cpuid *p);=0D
+BoolInt x86cpuid_CheckAndRead(Cx86cpuid *p);=0D
 int x86cpuid_GetFirm(const Cx86cpuid *p);=0D
 =0D
 #define x86cpuid_GetFamily(ver) (((ver >> 16) & 0xFF0) | ((ver >> 8) & 0xF=
))=0D
 #define x86cpuid_GetModel(ver)  (((ver >> 12) &  0xF0) | ((ver >> 4) & 0xF=
))=0D
 #define x86cpuid_GetStepping(ver) (ver & 0xF)=0D
 =0D
-Bool CPU_Is_InOrder();=0D
-Bool CPU_Is_Aes_Supported();=0D
+BoolInt CPU_Is_InOrder();=0D
+BoolInt CPU_Is_Aes_Supported();=0D
+BoolInt CPU_IsSupported_PageGB();=0D
 =0D
 #endif=0D
 =0D
diff --git a/BaseTools/Source/C/LzmaCompress/Sdk/C/LzFind.c b/BaseTools/Sou=
rce/C/LzmaCompress/Sdk/C/LzFind.c
index 6ea82a9b53..f89c9ddd7d 100644
--- a/BaseTools/Source/C/LzmaCompress/Sdk/C/LzFind.c
+++ b/BaseTools/Source/C/LzmaCompress/Sdk/C/LzFind.c
@@ -1,5 +1,5 @@
 /* LzFind.c -- Match finder for LZ algorithms=0D
-2017-06-10 : Igor Pavlov : Public domain */=0D
+2018-07-08 : Igor Pavlov : Public domain */=0D
 =0D
 #include "Precomp.h"=0D
 =0D
@@ -73,7 +73,7 @@ static void MatchFinder_ReadBlock(CMatchFinder *p)
       p->streamEndWasReached =3D 1;=0D
     return;=0D
   }=0D
-  =0D
+=0D
   for (;;)=0D
   {=0D
     Byte *dest =3D p->buffer + (p->streamPos - p->pos);=0D
@@ -138,7 +138,7 @@ static void MatchFinder_SetDefaultSettings(CMatchFinder=
 *p)
 =0D
 void MatchFinder_Construct(CMatchFinder *p)=0D
 {=0D
-  UInt32 i;=0D
+  unsigned i;=0D
   p->bufferBase =3D NULL;=0D
   p->directInput =3D 0;=0D
   p->hash =3D NULL;=0D
@@ -147,7 +147,7 @@ void MatchFinder_Construct(CMatchFinder *p)
 =0D
   for (i =3D 0; i < 256; i++)=0D
   {=0D
-    UInt32 r =3D i;=0D
+    UInt32 r =3D (UInt32)i;=0D
     unsigned j;=0D
     for (j =3D 0; j < 8; j++)=0D
       r =3D (r >> 1) ^ (kCrcPoly & ((UInt32)0 - (r & 1)));=0D
@@ -180,24 +180,24 @@ int MatchFinder_Create(CMatchFinder *p, UInt32 histor=
ySize,
     ISzAllocPtr alloc)=0D
 {=0D
   UInt32 sizeReserv;=0D
-  =0D
+=0D
   if (historySize > kMaxHistorySize)=0D
   {=0D
     MatchFinder_Free(p, alloc);=0D
     return 0;=0D
   }=0D
-  =0D
+=0D
   sizeReserv =3D historySize >> 1;=0D
        if (historySize >=3D ((UInt32)3 << 30)) sizeReserv =3D historySize =
>> 3;=0D
   else if (historySize >=3D ((UInt32)2 << 30)) sizeReserv =3D historySize =
>> 2;=0D
-  =0D
+=0D
   sizeReserv +=3D (keepAddBufferBefore + matchMaxLen + keepAddBufferAfter)=
 / 2 + (1 << 19);=0D
 =0D
   p->keepSizeBefore =3D historySize + keepAddBufferBefore + 1;=0D
   p->keepSizeAfter =3D matchMaxLen + keepAddBufferAfter;=0D
-  =0D
+=0D
   /* we need one additional byte, since we use MoveBlock after pos++ and b=
efore dictionary using */=0D
-  =0D
+=0D
   if (LzInWindow_Create(p, sizeReserv, alloc))=0D
   {=0D
     UInt32 newCyclicBufferSize =3D historySize + 1;=0D
@@ -243,7 +243,7 @@ int MatchFinder_Create(CMatchFinder *p, UInt32 historyS=
ize,
       p->historySize =3D historySize;=0D
       p->hashSizeSum =3D hs;=0D
       p->cyclicBufferSize =3D newCyclicBufferSize;=0D
-      =0D
+=0D
       numSons =3D newCyclicBufferSize;=0D
       if (p->btMode)=0D
         numSons <<=3D 1;=0D
@@ -251,11 +251,11 @@ int MatchFinder_Create(CMatchFinder *p, UInt32 histor=
ySize,
 =0D
       if (p->hash && p->numRefs =3D=3D newSize)=0D
         return 1;=0D
-      =0D
+=0D
       MatchFinder_FreeThisClassMemory(p, alloc);=0D
       p->numRefs =3D newSize;=0D
       p->hash =3D AllocRefs(newSize, alloc);=0D
-      =0D
+=0D
       if (p->hash)=0D
       {=0D
         p->son =3D p->hash + p->hashSizeSum;=0D
@@ -272,11 +272,11 @@ static void MatchFinder_SetLimits(CMatchFinder *p)
 {=0D
   UInt32 limit =3D kMaxValForNormalize - p->pos;=0D
   UInt32 limit2 =3D p->cyclicBufferSize - p->cyclicBufferPos;=0D
-  =0D
+=0D
   if (limit2 < limit)=0D
     limit =3D limit2;=0D
   limit2 =3D p->streamPos - p->pos;=0D
-  =0D
+=0D
   if (limit2 <=3D p->keepSizeAfter)=0D
   {=0D
     if (limit2 > 0)=0D
@@ -284,10 +284,10 @@ static void MatchFinder_SetLimits(CMatchFinder *p)
   }=0D
   else=0D
     limit2 -=3D p->keepSizeAfter;=0D
-  =0D
+=0D
   if (limit2 < limit)=0D
     limit =3D limit2;=0D
-  =0D
+=0D
   {=0D
     UInt32 lenLimit =3D p->streamPos - p->pos;=0D
     if (lenLimit > p->matchMaxLen)=0D
@@ -326,10 +326,10 @@ void MatchFinder_Init_3(CMatchFinder *p, int readData)
   p->streamPos =3D p->cyclicBufferSize;=0D
   p->result =3D SZ_OK;=0D
   p->streamEndWasReached =3D 0;=0D
-  =0D
+=0D
   if (readData)=0D
     MatchFinder_ReadBlock(p);=0D
-  =0D
+=0D
   MatchFinder_SetLimits(p);=0D
 }=0D
 =0D
@@ -341,7 +341,7 @@ void MatchFinder_Init(CMatchFinder *p)
   MatchFinder_Init_3(p, True);=0D
 }=0D
 =0D
-  =0D
+=0D
 static UInt32 MatchFinder_GetSubValue(CMatchFinder *p)=0D
 {=0D
   return (p->pos - p->historySize - 1) & kNormalizeMask;=0D
@@ -368,6 +368,8 @@ static void MatchFinder_Normalize(CMatchFinder *p)
   MatchFinder_ReduceOffsets(p, subValue);=0D
 }=0D
 =0D
+=0D
+MY_NO_INLINE=0D
 static void MatchFinder_CheckLimits(CMatchFinder *p)=0D
 {=0D
   if (p->pos =3D=3D kMaxValForNormalize)=0D
@@ -379,10 +381,16 @@ static void MatchFinder_CheckLimits(CMatchFinder *p)
   MatchFinder_SetLimits(p);=0D
 }=0D
 =0D
-static UInt32 * Hc_GetMatchesSpec(UInt32 lenLimit, UInt32 curMatch, UInt32=
 pos, const Byte *cur, CLzRef *son,=0D
+=0D
+/*=0D
+  (lenLimit > maxLen)=0D
+*/=0D
+MY_FORCE_INLINE=0D
+static UInt32 * Hc_GetMatchesSpec(unsigned lenLimit, UInt32 curMatch, UInt=
32 pos, const Byte *cur, CLzRef *son,=0D
     UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue,=0D
-    UInt32 *distances, UInt32 maxLen)=0D
+    UInt32 *distances, unsigned maxLen)=0D
 {=0D
+  /*=0D
   son[_cyclicBufferPos] =3D curMatch;=0D
   for (;;)=0D
   {=0D
@@ -400,7 +408,8 @@ static UInt32 * Hc_GetMatchesSpec(UInt32 lenLimit, UInt=
32 curMatch, UInt32 pos,
             break;=0D
         if (maxLen < len)=0D
         {=0D
-          *distances++ =3D maxLen =3D len;=0D
+          maxLen =3D len;=0D
+          *distances++ =3D len;=0D
           *distances++ =3D delta - 1;=0D
           if (len =3D=3D lenLimit)=0D
             return distances;=0D
@@ -408,15 +417,58 @@ static UInt32 * Hc_GetMatchesSpec(UInt32 lenLimit, UI=
nt32 curMatch, UInt32 pos,
       }=0D
     }=0D
   }=0D
+  */=0D
+=0D
+  const Byte *lim =3D cur + lenLimit;=0D
+  son[_cyclicBufferPos] =3D curMatch;=0D
+  do=0D
+  {=0D
+    UInt32 delta =3D pos - curMatch;=0D
+    if (delta >=3D _cyclicBufferSize)=0D
+      break;=0D
+    {=0D
+      ptrdiff_t diff;=0D
+      curMatch =3D son[_cyclicBufferPos - delta + ((delta > _cyclicBufferP=
os) ? _cyclicBufferSize : 0)];=0D
+      diff =3D (ptrdiff_t)0 - delta;=0D
+      if (cur[maxLen] =3D=3D cur[maxLen + diff])=0D
+      {=0D
+        const Byte *c =3D cur;=0D
+        while (*c =3D=3D c[diff])=0D
+        {=0D
+          if (++c =3D=3D lim)=0D
+          {=0D
+            distances[0] =3D (UInt32)(lim - cur);=0D
+            distances[1] =3D delta - 1;=0D
+            return distances + 2;=0D
+          }=0D
+        }=0D
+        {=0D
+          unsigned len =3D (unsigned)(c - cur);=0D
+          if (maxLen < len)=0D
+          {=0D
+            maxLen =3D len;=0D
+            distances[0] =3D (UInt32)len;=0D
+            distances[1] =3D delta - 1;=0D
+            distances +=3D 2;=0D
+          }=0D
+        }=0D
+      }=0D
+    }=0D
+  }=0D
+  while (--cutValue);=0D
+=0D
+  return distances;=0D
 }=0D
 =0D
+=0D
+MY_FORCE_INLINE=0D
 UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, con=
st Byte *cur, CLzRef *son,=0D
     UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue,=0D
     UInt32 *distances, UInt32 maxLen)=0D
 {=0D
-  CLzRef *ptr0 =3D son + (_cyclicBufferPos << 1) + 1;=0D
-  CLzRef *ptr1 =3D son + (_cyclicBufferPos << 1);=0D
-  UInt32 len0 =3D 0, len1 =3D 0;=0D
+  CLzRef *ptr0 =3D son + ((size_t)_cyclicBufferPos << 1) + 1;=0D
+  CLzRef *ptr1 =3D son + ((size_t)_cyclicBufferPos << 1);=0D
+  unsigned len0 =3D 0, len1 =3D 0;=0D
   for (;;)=0D
   {=0D
     UInt32 delta =3D pos - curMatch;=0D
@@ -426,9 +478,10 @@ UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMa=
tch, UInt32 pos, const Byt
       return distances;=0D
     }=0D
     {=0D
-      CLzRef *pair =3D son + ((_cyclicBufferPos - delta + ((delta > _cycli=
cBufferPos) ? _cyclicBufferSize : 0)) << 1);=0D
+      CLzRef *pair =3D son + ((size_t)(_cyclicBufferPos - delta + ((delta =
> _cyclicBufferPos) ? _cyclicBufferSize : 0)) << 1);=0D
       const Byte *pb =3D cur - delta;=0D
-      UInt32 len =3D (len0 < len1 ? len0 : len1);=0D
+      unsigned len =3D (len0 < len1 ? len0 : len1);=0D
+      UInt32 pair0 =3D pair[0];=0D
       if (pb[len] =3D=3D cur[len])=0D
       {=0D
         if (++len !=3D lenLimit && pb[len] =3D=3D cur[len])=0D
@@ -437,11 +490,12 @@ UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curM=
atch, UInt32 pos, const Byt
               break;=0D
         if (maxLen < len)=0D
         {=0D
-          *distances++ =3D maxLen =3D len;=0D
+          maxLen =3D (UInt32)len;=0D
+          *distances++ =3D (UInt32)len;=0D
           *distances++ =3D delta - 1;=0D
           if (len =3D=3D lenLimit)=0D
           {=0D
-            *ptr1 =3D pair[0];=0D
+            *ptr1 =3D pair0;=0D
             *ptr0 =3D pair[1];=0D
             return distances;=0D
           }=0D
@@ -468,9 +522,9 @@ UInt32 * GetMatchesSpec1(UInt32 lenLimit, UInt32 curMat=
ch, UInt32 pos, const Byt
 static void SkipMatchesSpec(UInt32 lenLimit, UInt32 curMatch, UInt32 pos, =
const Byte *cur, CLzRef *son,=0D
     UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 cutValue)=0D
 {=0D
-  CLzRef *ptr0 =3D son + (_cyclicBufferPos << 1) + 1;=0D
-  CLzRef *ptr1 =3D son + (_cyclicBufferPos << 1);=0D
-  UInt32 len0 =3D 0, len1 =3D 0;=0D
+  CLzRef *ptr0 =3D son + ((size_t)_cyclicBufferPos << 1) + 1;=0D
+  CLzRef *ptr1 =3D son + ((size_t)_cyclicBufferPos << 1);=0D
+  unsigned len0 =3D 0, len1 =3D 0;=0D
   for (;;)=0D
   {=0D
     UInt32 delta =3D pos - curMatch;=0D
@@ -480,9 +534,9 @@ static void SkipMatchesSpec(UInt32 lenLimit, UInt32 cur=
Match, UInt32 pos, const
       return;=0D
     }=0D
     {=0D
-      CLzRef *pair =3D son + ((_cyclicBufferPos - delta + ((delta > _cycli=
cBufferPos) ? _cyclicBufferSize : 0)) << 1);=0D
+      CLzRef *pair =3D son + ((size_t)(_cyclicBufferPos - delta + ((delta =
> _cyclicBufferPos) ? _cyclicBufferSize : 0)) << 1);=0D
       const Byte *pb =3D cur - delta;=0D
-      UInt32 len =3D (len0 < len1 ? len0 : len1);=0D
+      unsigned len =3D (len0 < len1 ? len0 : len1);=0D
       if (pb[len] =3D=3D cur[len])=0D
       {=0D
         while (++len !=3D lenLimit)=0D
@@ -520,13 +574,13 @@ static void SkipMatchesSpec(UInt32 lenLimit, UInt32 c=
urMatch, UInt32 pos, const
   p->buffer++; \=0D
   if (++p->pos =3D=3D p->posLimit) MatchFinder_CheckLimits(p);=0D
 =0D
-#define MOVE_POS_RET MOVE_POS return offset;=0D
+#define MOVE_POS_RET MOVE_POS return (UInt32)offset;=0D
 =0D
 static void MatchFinder_MovePos(CMatchFinder *p) { MOVE_POS; }=0D
 =0D
 #define GET_MATCHES_HEADER2(minLen, ret_op) \=0D
-  UInt32 lenLimit; UInt32 hv; const Byte *cur; UInt32 curMatch; \=0D
-  lenLimit =3D p->lenLimit; { if (lenLimit < minLen) { MatchFinder_MovePos=
(p); ret_op; }} \=0D
+  unsigned lenLimit; UInt32 hv; const Byte *cur; UInt32 curMatch; \=0D
+  lenLimit =3D (unsigned)p->lenLimit; { if (lenLimit < minLen) { MatchFind=
er_MovePos(p); ret_op; }} \=0D
   cur =3D p->buffer;=0D
 =0D
 #define GET_MATCHES_HEADER(minLen) GET_MATCHES_HEADER2(minLen, return 0)=0D
@@ -535,22 +589,22 @@ static void MatchFinder_MovePos(CMatchFinder *p) { MO=
VE_POS; }
 #define MF_PARAMS(p) p->pos, p->buffer, p->son, p->cyclicBufferPos, p->cyc=
licBufferSize, p->cutValue=0D
 =0D
 #define GET_MATCHES_FOOTER(offset, maxLen) \=0D
-  offset =3D (UInt32)(GetMatchesSpec1(lenLimit, curMatch, MF_PARAMS(p), \=
=0D
-  distances + offset, maxLen) - distances); MOVE_POS_RET;=0D
+  offset =3D (unsigned)(GetMatchesSpec1((UInt32)lenLimit, curMatch, MF_PAR=
AMS(p), \=0D
+  distances + offset, (UInt32)maxLen) - distances); MOVE_POS_RET;=0D
 =0D
 #define SKIP_FOOTER \=0D
-  SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p)); MOVE_POS;=0D
+  SkipMatchesSpec((UInt32)lenLimit, curMatch, MF_PARAMS(p)); MOVE_POS;=0D
 =0D
 #define UPDATE_maxLen { \=0D
     ptrdiff_t diff =3D (ptrdiff_t)0 - d2; \=0D
     const Byte *c =3D cur + maxLen; \=0D
     const Byte *lim =3D cur + lenLimit; \=0D
     for (; c !=3D lim; c++) if (*(c + diff) !=3D *c) break; \=0D
-    maxLen =3D (UInt32)(c - cur); }=0D
+    maxLen =3D (unsigned)(c - cur); }=0D
 =0D
 static UInt32 Bt2_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distance=
s)=0D
 {=0D
-  UInt32 offset;=0D
+  unsigned offset;=0D
   GET_MATCHES_HEADER(2)=0D
   HASH2_CALC;=0D
   curMatch =3D p->hash[hv];=0D
@@ -561,7 +615,7 @@ static UInt32 Bt2_MatchFinder_GetMatches(CMatchFinder *=
p, UInt32 *distances)
 =0D
 UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)=0D
 {=0D
-  UInt32 offset;=0D
+  unsigned offset;=0D
   GET_MATCHES_HEADER(3)=0D
   HASH_ZIP_CALC;=0D
   curMatch =3D p->hash[hv];=0D
@@ -572,7 +626,8 @@ UInt32 Bt3Zip_MatchFinder_GetMatches(CMatchFinder *p, U=
Int32 *distances)
 =0D
 static UInt32 Bt3_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distance=
s)=0D
 {=0D
-  UInt32 h2, d2, maxLen, offset, pos;=0D
+  UInt32 h2, d2, pos;=0D
+  unsigned maxLen, offset;=0D
   UInt32 *hash;=0D
   GET_MATCHES_HEADER(3)=0D
 =0D
@@ -584,7 +639,7 @@ static UInt32 Bt3_MatchFinder_GetMatches(CMatchFinder *=
p, UInt32 *distances)
   d2 =3D pos - hash[h2];=0D
 =0D
   curMatch =3D (hash + kFix3HashSize)[hv];=0D
-  =0D
+=0D
   hash[h2] =3D pos;=0D
   (hash + kFix3HashSize)[hv] =3D pos;=0D
 =0D
@@ -594,22 +649,23 @@ static UInt32 Bt3_MatchFinder_GetMatches(CMatchFinder=
 *p, UInt32 *distances)
   if (d2 < p->cyclicBufferSize && *(cur - d2) =3D=3D *cur)=0D
   {=0D
     UPDATE_maxLen=0D
-    distances[0] =3D maxLen;=0D
+    distances[0] =3D (UInt32)maxLen;=0D
     distances[1] =3D d2 - 1;=0D
     offset =3D 2;=0D
     if (maxLen =3D=3D lenLimit)=0D
     {=0D
-      SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p));=0D
+      SkipMatchesSpec((UInt32)lenLimit, curMatch, MF_PARAMS(p));=0D
       MOVE_POS_RET;=0D
     }=0D
   }=0D
-  =0D
+=0D
   GET_MATCHES_FOOTER(offset, maxLen)=0D
 }=0D
 =0D
 static UInt32 Bt4_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distance=
s)=0D
 {=0D
-  UInt32 h2, h3, d2, d3, maxLen, offset, pos;=0D
+  UInt32 h2, h3, d2, d3, pos;=0D
+  unsigned maxLen, offset;=0D
   UInt32 *hash;=0D
   GET_MATCHES_HEADER(4)=0D
 =0D
@@ -618,25 +674,26 @@ static UInt32 Bt4_MatchFinder_GetMatches(CMatchFinder=
 *p, UInt32 *distances)
   hash =3D p->hash;=0D
   pos =3D p->pos;=0D
 =0D
-  d2 =3D pos - hash[                h2];=0D
+  d2 =3D pos - hash                  [h2];=0D
   d3 =3D pos - (hash + kFix3HashSize)[h3];=0D
 =0D
   curMatch =3D (hash + kFix4HashSize)[hv];=0D
 =0D
-  hash[                h2] =3D pos;=0D
+  hash                  [h2] =3D pos;=0D
   (hash + kFix3HashSize)[h3] =3D pos;=0D
   (hash + kFix4HashSize)[hv] =3D pos;=0D
 =0D
   maxLen =3D 0;=0D
   offset =3D 0;=0D
-  =0D
+=0D
   if (d2 < p->cyclicBufferSize && *(cur - d2) =3D=3D *cur)=0D
   {=0D
-    distances[0] =3D maxLen =3D 2;=0D
+    maxLen =3D 2;=0D
+    distances[0] =3D 2;=0D
     distances[1] =3D d2 - 1;=0D
     offset =3D 2;=0D
   }=0D
-  =0D
+=0D
   if (d2 !=3D d3 && d3 < p->cyclicBufferSize && *(cur - d3) =3D=3D *cur)=0D
   {=0D
     maxLen =3D 3;=0D
@@ -644,21 +701,21 @@ static UInt32 Bt4_MatchFinder_GetMatches(CMatchFinder=
 *p, UInt32 *distances)
     offset +=3D 2;=0D
     d2 =3D d3;=0D
   }=0D
-  =0D
+=0D
   if (offset !=3D 0)=0D
   {=0D
     UPDATE_maxLen=0D
-    distances[(size_t)offset - 2] =3D maxLen;=0D
+    distances[(size_t)offset - 2] =3D (UInt32)maxLen;=0D
     if (maxLen =3D=3D lenLimit)=0D
     {=0D
-      SkipMatchesSpec(lenLimit, curMatch, MF_PARAMS(p));=0D
+      SkipMatchesSpec((UInt32)lenLimit, curMatch, MF_PARAMS(p));=0D
       MOVE_POS_RET;=0D
     }=0D
   }=0D
-  =0D
+=0D
   if (maxLen < 3)=0D
     maxLen =3D 3;=0D
-  =0D
+=0D
   GET_MATCHES_FOOTER(offset, maxLen)=0D
 }=0D
 =0D
@@ -674,13 +731,13 @@ static UInt32 Bt5_MatchFinder_GetMatches(CMatchFinder=
 *p, UInt32 *distances)
   hash =3D p->hash;=0D
   pos =3D p->pos;=0D
 =0D
-  d2 =3D pos - hash[                h2];=0D
+  d2 =3D pos - hash                  [h2];=0D
   d3 =3D pos - (hash + kFix3HashSize)[h3];=0D
   d4 =3D pos - (hash + kFix4HashSize)[h4];=0D
 =0D
   curMatch =3D (hash + kFix5HashSize)[hv];=0D
 =0D
-  hash[                h2] =3D pos;=0D
+  hash                  [h2] =3D pos;=0D
   (hash + kFix3HashSize)[h3] =3D pos;=0D
   (hash + kFix4HashSize)[h4] =3D pos;=0D
   (hash + kFix5HashSize)[hv] =3D pos;=0D
@@ -710,7 +767,7 @@ static UInt32 Bt5_MatchFinder_GetMatches(CMatchFinder *=
p, UInt32 *distances)
     offset =3D 2;=0D
     d2 =3D d3;=0D
   }=0D
-  =0D
+=0D
   if (d2 !=3D d4 && d4 < p->cyclicBufferSize=0D
       && *(cur - d4) =3D=3D *cur=0D
       && *(cur - d4 + 3) =3D=3D *(cur + 3))=0D
@@ -720,7 +777,7 @@ static UInt32 Bt5_MatchFinder_GetMatches(CMatchFinder *=
p, UInt32 *distances)
     offset +=3D 2;=0D
     d2 =3D d4;=0D
   }=0D
-  =0D
+=0D
   if (offset !=3D 0)=0D
   {=0D
     UPDATE_maxLen=0D
@@ -734,14 +791,15 @@ static UInt32 Bt5_MatchFinder_GetMatches(CMatchFinder=
 *p, UInt32 *distances)
 =0D
   if (maxLen < 4)=0D
     maxLen =3D 4;=0D
-  =0D
+=0D
   GET_MATCHES_FOOTER(offset, maxLen)=0D
 }=0D
 */=0D
 =0D
 static UInt32 Hc4_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distance=
s)=0D
 {=0D
-  UInt32 h2, h3, d2, d3, maxLen, offset, pos;=0D
+  UInt32 h2, h3, d2, d3, pos;=0D
+  unsigned maxLen, offset;=0D
   UInt32 *hash;=0D
   GET_MATCHES_HEADER(4)=0D
 =0D
@@ -749,13 +807,12 @@ static UInt32 Hc4_MatchFinder_GetMatches(CMatchFinder=
 *p, UInt32 *distances)
 =0D
   hash =3D p->hash;=0D
   pos =3D p->pos;=0D
-  =0D
-  d2 =3D pos - hash[                h2];=0D
+=0D
+  d2 =3D pos - hash                  [h2];=0D
   d3 =3D pos - (hash + kFix3HashSize)[h3];=0D
-  =0D
   curMatch =3D (hash + kFix4HashSize)[hv];=0D
 =0D
-  hash[                h2] =3D pos;=0D
+  hash                  [h2] =3D pos;=0D
   (hash + kFix3HashSize)[h3] =3D pos;=0D
   (hash + kFix4HashSize)[hv] =3D pos;=0D
 =0D
@@ -764,11 +821,12 @@ static UInt32 Hc4_MatchFinder_GetMatches(CMatchFinder=
 *p, UInt32 *distances)
 =0D
   if (d2 < p->cyclicBufferSize && *(cur - d2) =3D=3D *cur)=0D
   {=0D
-    distances[0] =3D maxLen =3D 2;=0D
+    maxLen =3D 2;=0D
+    distances[0] =3D 2;=0D
     distances[1] =3D d2 - 1;=0D
     offset =3D 2;=0D
   }=0D
-  =0D
+=0D
   if (d2 !=3D d3 && d3 < p->cyclicBufferSize && *(cur - d3) =3D=3D *cur)=0D
   {=0D
     maxLen =3D 3;=0D
@@ -776,22 +834,22 @@ static UInt32 Hc4_MatchFinder_GetMatches(CMatchFinder=
 *p, UInt32 *distances)
     offset +=3D 2;=0D
     d2 =3D d3;=0D
   }=0D
-  =0D
+=0D
   if (offset !=3D 0)=0D
   {=0D
     UPDATE_maxLen=0D
-    distances[(size_t)offset - 2] =3D maxLen;=0D
+    distances[(size_t)offset - 2] =3D (UInt32)maxLen;=0D
     if (maxLen =3D=3D lenLimit)=0D
     {=0D
       p->son[p->cyclicBufferPos] =3D curMatch;=0D
       MOVE_POS_RET;=0D
     }=0D
   }=0D
-  =0D
+=0D
   if (maxLen < 3)=0D
     maxLen =3D 3;=0D
 =0D
-  offset =3D (UInt32)(Hc_GetMatchesSpec(lenLimit, curMatch, MF_PARAMS(p),=
=0D
+  offset =3D (unsigned)(Hc_GetMatchesSpec(lenLimit, curMatch, MF_PARAMS(p)=
,=0D
       distances + offset, maxLen) - (distances));=0D
   MOVE_POS_RET=0D
 }=0D
@@ -807,14 +865,14 @@ static UInt32 Hc5_MatchFinder_GetMatches(CMatchFinder=
 *p, UInt32 *distances)
 =0D
   hash =3D p->hash;=0D
   pos =3D p->pos;=0D
-  =0D
-  d2 =3D pos - hash[                h2];=0D
+=0D
+  d2 =3D pos - hash                  [h2];=0D
   d3 =3D pos - (hash + kFix3HashSize)[h3];=0D
   d4 =3D pos - (hash + kFix4HashSize)[h4];=0D
 =0D
   curMatch =3D (hash + kFix5HashSize)[hv];=0D
 =0D
-  hash[                h2] =3D pos;=0D
+  hash                  [h2] =3D pos;=0D
   (hash + kFix3HashSize)[h3] =3D pos;=0D
   (hash + kFix4HashSize)[h4] =3D pos;=0D
   (hash + kFix5HashSize)[hv] =3D pos;=0D
@@ -844,7 +902,7 @@ static UInt32 Hc5_MatchFinder_GetMatches(CMatchFinder *=
p, UInt32 *distances)
     offset =3D 2;=0D
     d2 =3D d3;=0D
   }=0D
-  =0D
+=0D
   if (d2 !=3D d4 && d4 < p->cyclicBufferSize=0D
       && *(cur - d4) =3D=3D *cur=0D
       && *(cur - d4 + 3) =3D=3D *(cur + 3))=0D
@@ -854,7 +912,7 @@ static UInt32 Hc5_MatchFinder_GetMatches(CMatchFinder *=
p, UInt32 *distances)
     offset +=3D 2;=0D
     d2 =3D d4;=0D
   }=0D
-  =0D
+=0D
   if (offset !=3D 0)=0D
   {=0D
     UPDATE_maxLen=0D
@@ -865,7 +923,7 @@ static UInt32 Hc5_MatchFinder_GetMatches(CMatchFinder *=
p, UInt32 *distances)
       MOVE_POS_RET;=0D
     }=0D
   }=0D
-  =0D
+=0D
   if (maxLen < 4)=0D
     maxLen =3D 4;=0D
 =0D
@@ -877,12 +935,12 @@ static UInt32 Hc5_MatchFinder_GetMatches(CMatchFinder=
 *p, UInt32 *distances)
 =0D
 UInt32 Hc3Zip_MatchFinder_GetMatches(CMatchFinder *p, UInt32 *distances)=0D
 {=0D
-  UInt32 offset;=0D
+  unsigned offset;=0D
   GET_MATCHES_HEADER(3)=0D
   HASH_ZIP_CALC;=0D
   curMatch =3D p->hash[hv];=0D
   p->hash[hv] =3D p->pos;=0D
-  offset =3D (UInt32)(Hc_GetMatchesSpec(lenLimit, curMatch, MF_PARAMS(p),=
=0D
+  offset =3D (unsigned)(Hc_GetMatchesSpec(lenLimit, curMatch, MF_PARAMS(p)=
,=0D
       distances, 2) - (distances));=0D
   MOVE_POS_RET=0D
 }=0D
@@ -940,7 +998,7 @@ static void Bt4_MatchFinder_Skip(CMatchFinder *p, UInt3=
2 num)
     HASH4_CALC;=0D
     hash =3D p->hash;=0D
     curMatch =3D (hash + kFix4HashSize)[hv];=0D
-    hash[                h2] =3D=0D
+    hash                  [h2] =3D=0D
     (hash + kFix3HashSize)[h3] =3D=0D
     (hash + kFix4HashSize)[hv] =3D p->pos;=0D
     SKIP_FOOTER=0D
@@ -959,7 +1017,7 @@ static void Bt5_MatchFinder_Skip(CMatchFinder *p, UInt=
32 num)
     HASH5_CALC;=0D
     hash =3D p->hash;=0D
     curMatch =3D (hash + kFix5HashSize)[hv];=0D
-    hash[                h2] =3D=0D
+    hash                  [h2] =3D=0D
     (hash + kFix3HashSize)[h3] =3D=0D
     (hash + kFix4HashSize)[h4] =3D=0D
     (hash + kFix5HashSize)[hv] =3D p->pos;=0D
@@ -979,7 +1037,7 @@ static void Hc4_MatchFinder_Skip(CMatchFinder *p, UInt=
32 num)
     HASH4_CALC;=0D
     hash =3D p->hash;=0D
     curMatch =3D (hash + kFix4HashSize)[hv];=0D
-    hash[                h2] =3D=0D
+    hash                  [h2] =3D=0D
     (hash + kFix3HashSize)[h3] =3D=0D
     (hash + kFix4HashSize)[hv] =3D p->pos;=0D
     p->son[p->cyclicBufferPos] =3D curMatch;=0D
@@ -999,7 +1057,7 @@ static void Hc5_MatchFinder_Skip(CMatchFinder *p, UInt=
32 num)
     HASH5_CALC;=0D
     hash =3D p->hash;=0D
     curMatch =3D hash + kFix5HashSize)[hv];=0D
-    hash[                h2] =3D=0D
+    hash                  [h2] =3D=0D
     (hash + kFix3HashSize)[h3] =3D=0D
     (hash + kFix4HashSize)[h4] =3D=0D
     (hash + kFix5HashSize)[hv] =3D p->pos;=0D
diff --git a/BaseTools/Source/C/LzmaCompress/Sdk/C/LzFindMt.c b/BaseTools/S=
ource/C/LzmaCompress/Sdk/C/LzFindMt.c
index 2563824fcd..df32146f92 100644
--- a/BaseTools/Source/C/LzmaCompress/Sdk/C/LzFindMt.c
+++ b/BaseTools/Source/C/LzmaCompress/Sdk/C/LzFindMt.c
@@ -1,5 +1,5 @@
 /* LzFindMt.c -- multithreaded Match finder for LZ algorithms=0D
-2017-06-10 : Igor Pavlov : Public domain */=0D
+2018-12-29 : Igor Pavlov : Public domain */=0D
 =0D
 #include "Precomp.h"=0D
 =0D
@@ -232,38 +232,57 @@ static void MatchFinderMt_GetNextBlock_Hash(CMatchFin=
derMt *p)
 =0D
 #define kEmptyHashValue 0=0D
 =0D
-/* #define MFMT_GM_INLINE */=0D
+#define MFMT_GM_INLINE=0D
 =0D
 #ifdef MFMT_GM_INLINE=0D
 =0D
-#define NO_INLINE MY_FAST_CALL=0D
+/*=0D
+  we use size_t for _cyclicBufferPos instead of UInt32=0D
+  to eliminate "movsx" BUG in old MSVC x64 compiler.=0D
+*/=0D
 =0D
-static Int32 NO_INLINE GetMatchesSpecN(UInt32 lenLimit, UInt32 pos, const =
Byte *cur, CLzRef *son,=0D
-    UInt32 _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 _cutValue,=0D
-    UInt32 *_distances, UInt32 _maxLen, const UInt32 *hash, Int32 limit, U=
Int32 size, UInt32 *posRes)=0D
+MY_NO_INLINE=0D
+static UInt32 *GetMatchesSpecN(UInt32 lenLimit, UInt32 pos, const Byte *cu=
r, CLzRef *son,=0D
+    size_t _cyclicBufferPos, UInt32 _cyclicBufferSize, UInt32 _cutValue,=0D
+    UInt32 *distances, UInt32 _maxLen, const UInt32 *hash, const UInt32 *l=
imit, UInt32 size, UInt32 *posRes)=0D
 {=0D
   do=0D
   {=0D
-  UInt32 *distances =3D _distances + 1;=0D
-  UInt32 curMatch =3D pos - *hash++;=0D
+  UInt32 *_distances =3D ++distances;=0D
+  UInt32 delta =3D *hash++;=0D
 =0D
-  CLzRef *ptr0 =3D son + (_cyclicBufferPos << 1) + 1;=0D
-  CLzRef *ptr1 =3D son + (_cyclicBufferPos << 1);=0D
-  UInt32 len0 =3D 0, len1 =3D 0;=0D
+  CLzRef *ptr0 =3D son + ((size_t)_cyclicBufferPos << 1) + 1;=0D
+  CLzRef *ptr1 =3D son + ((size_t)_cyclicBufferPos << 1);=0D
+  unsigned len0 =3D 0, len1 =3D 0;=0D
   UInt32 cutValue =3D _cutValue;=0D
-  UInt32 maxLen =3D _maxLen;=0D
-  for (;;)=0D
+  unsigned maxLen =3D (unsigned)_maxLen;=0D
+=0D
+  /*=0D
+  if (size > 1)=0D
   {=0D
-    UInt32 delta =3D pos - curMatch;=0D
-    if (cutValue-- =3D=3D 0 || delta >=3D _cyclicBufferSize)=0D
+    UInt32 delta =3D *hash;=0D
+    if (delta < _cyclicBufferSize)=0D
     {=0D
-      *ptr0 =3D *ptr1 =3D kEmptyHashValue;=0D
-      break;=0D
+      UInt32 cyc1 =3D _cyclicBufferPos + 1;=0D
+      CLzRef *pair =3D son + ((size_t)(cyc1 - delta + ((delta > cyc1) ? _c=
yclicBufferSize : 0)) << 1);=0D
+      Byte b =3D *(cur + 1 - delta);=0D
+      _distances[0] =3D pair[0];=0D
+      _distances[1] =3D b;=0D
     }=0D
+  }=0D
+  */=0D
+  if (cutValue =3D=3D 0 || delta >=3D _cyclicBufferSize)=0D
+  {=0D
+    *ptr0 =3D *ptr1 =3D kEmptyHashValue;=0D
+  }=0D
+  else=0D
+  for(;;)=0D
+  {=0D
     {=0D
-      CLzRef *pair =3D son + ((_cyclicBufferPos - delta + ((delta > _cycli=
cBufferPos) ? _cyclicBufferSize : 0)) << 1);=0D
+      CLzRef *pair =3D son + ((size_t)(_cyclicBufferPos - delta + ((_cycli=
cBufferPos < delta) ? _cyclicBufferSize : 0)) << 1);=0D
       const Byte *pb =3D cur - delta;=0D
-      UInt32 len =3D (len0 < len1 ? len0 : len1);=0D
+      unsigned len =3D (len0 < len1 ? len0 : len1);=0D
+      UInt32 pair0 =3D *pair;=0D
       if (pb[len] =3D=3D cur[len])=0D
       {=0D
         if (++len !=3D lenLimit && pb[len] =3D=3D cur[len])=0D
@@ -272,54 +291,66 @@ static Int32 NO_INLINE GetMatchesSpecN(UInt32 lenLimi=
t, UInt32 pos, const Byte *
               break;=0D
         if (maxLen < len)=0D
         {=0D
-          *distances++ =3D maxLen =3D len;=0D
+          maxLen =3D len;=0D
+          *distances++ =3D (UInt32)len;=0D
           *distances++ =3D delta - 1;=0D
           if (len =3D=3D lenLimit)=0D
           {=0D
-            *ptr1 =3D pair[0];=0D
-            *ptr0 =3D pair[1];=0D
+            UInt32 pair1 =3D pair[1];=0D
+            *ptr1 =3D pair0;=0D
+            *ptr0 =3D pair1;=0D
             break;=0D
           }=0D
         }=0D
       }=0D
-      if (pb[len] < cur[len])=0D
-      {=0D
-        *ptr1 =3D curMatch;=0D
-        ptr1 =3D pair + 1;=0D
-        curMatch =3D *ptr1;=0D
-        len1 =3D len;=0D
-      }=0D
-      else=0D
       {=0D
-        *ptr0 =3D curMatch;=0D
-        ptr0 =3D pair;=0D
-        curMatch =3D *ptr0;=0D
-        len0 =3D len;=0D
+        UInt32 curMatch =3D pos - delta;=0D
+        // delta =3D pos - *pair;=0D
+        // delta =3D pos - pair[((UInt32)pb[len] - (UInt32)cur[len]) >> 31=
];=0D
+        if (pb[len] < cur[len])=0D
+        {=0D
+          delta =3D pos - pair[1];=0D
+          *ptr1 =3D curMatch;=0D
+          ptr1 =3D pair + 1;=0D
+          len1 =3D len;=0D
+        }=0D
+        else=0D
+        {=0D
+          delta =3D pos - *pair;=0D
+          *ptr0 =3D curMatch;=0D
+          ptr0 =3D pair;=0D
+          len0 =3D len;=0D
+        }=0D
       }=0D
     }=0D
+    if (--cutValue =3D=3D 0 || delta >=3D _cyclicBufferSize)=0D
+    {=0D
+      *ptr0 =3D *ptr1 =3D kEmptyHashValue;=0D
+      break;=0D
+    }=0D
   }=0D
   pos++;=0D
   _cyclicBufferPos++;=0D
   cur++;=0D
   {=0D
     UInt32 num =3D (UInt32)(distances - _distances);=0D
-    *_distances =3D num - 1;=0D
-    _distances +=3D num;=0D
-    limit -=3D num;=0D
+    _distances[-1] =3D num;=0D
   }=0D
   }=0D
-  while (limit > 0 && --size !=3D 0);=0D
+  while (distances < limit && --size !=3D 0);=0D
   *posRes =3D pos;=0D
-  return limit;=0D
+  return distances;=0D
 }=0D
 =0D
 #endif=0D
 =0D
+=0D
+=0D
 static void BtGetMatches(CMatchFinderMt *p, UInt32 *distances)=0D
 {=0D
   UInt32 numProcessed =3D 0;=0D
   UInt32 curPos =3D 2;=0D
-  UInt32 limit =3D kMtBtBlockSize - (p->matchMaxLen * 2);=0D
+  UInt32 limit =3D kMtBtBlockSize - (p->matchMaxLen * 2); //  * 2=0D
   =0D
   distances[1] =3D p->hashNumAvail;=0D
   =0D
@@ -369,8 +400,10 @@ static void BtGetMatches(CMatchFinderMt *p, UInt32 *di=
stances)
       #else=0D
       {=0D
         UInt32 posRes;=0D
-        curPos =3D limit - GetMatchesSpecN(lenLimit, pos, p->buffer, p->so=
n, cyclicBufferPos, p->cyclicBufferSize, p->cutValue,=0D
-            distances + curPos, p->numHashBytes - 1, p->hashBuf + p->hashB=
ufPos, (Int32)(limit - curPos), size, &posRes);=0D
+        curPos =3D (UInt32)(GetMatchesSpecN(lenLimit, pos, p->buffer, p->s=
on, cyclicBufferPos, p->cyclicBufferSize, p->cutValue,=0D
+            distances + curPos, p->numHashBytes - 1, p->hashBuf + p->hashB=
ufPos,=0D
+            distances + limit,=0D
+            size, &posRes) - distances);=0D
         p->hashBufPos +=3D posRes - pos;=0D
         cyclicBufferPos +=3D posRes - pos;=0D
         p->buffer +=3D posRes - pos;=0D
diff --git a/BaseTools/Source/C/LzmaCompress/Sdk/C/LzFindMt.h b/BaseTools/S=
ource/C/LzmaCompress/Sdk/C/LzFindMt.h
index 3d86c788f3..fdd17008c2 100644
--- a/BaseTools/Source/C/LzmaCompress/Sdk/C/LzFindMt.h
+++ b/BaseTools/Source/C/LzmaCompress/Sdk/C/LzFindMt.h
@@ -1,5 +1,5 @@
 /* LzFindMt.h -- multithreaded Match finder for LZ algorithms=0D
-2017-04-03 : Igor Pavlov : Public domain */=0D
+2018-07-04 : Igor Pavlov : Public domain */=0D
 =0D
 #ifndef __LZ_FIND_MT_H=0D
 #define __LZ_FIND_MT_H=0D
@@ -19,10 +19,10 @@ EXTERN_C_BEGIN
 =0D
 typedef struct _CMtSync=0D
 {=0D
-  Bool wasCreated;=0D
-  Bool needStart;=0D
-  Bool exit;=0D
-  Bool stopWriting;=0D
+  BoolInt wasCreated;=0D
+  BoolInt needStart;=0D
+  BoolInt exit;=0D
+  BoolInt stopWriting;=0D
 =0D
   CThread thread;=0D
   CAutoResetEvent canStart;=0D
@@ -30,8 +30,8 @@ typedef struct _CMtSync
   CAutoResetEvent wasStopped;=0D
   CSemaphore freeSemaphore;=0D
   CSemaphore filledSemaphore;=0D
-  Bool csWasInitialized;=0D
-  Bool csWasEntered;=0D
+  BoolInt csWasInitialized;=0D
+  BoolInt csWasEntered;=0D
   CCriticalSection cs;=0D
   UInt32 numProcessedBlocks;=0D
 } CMtSync;=0D
diff --git a/BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaDec.c b/BaseTools/So=
urce/C/LzmaCompress/Sdk/C/LzmaDec.c
index 962b94bb63..4d1576419f 100644
--- a/BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaDec.c
+++ b/BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaDec.c
@@ -1,13 +1,13 @@
 /* LzmaDec.c -- LZMA Decoder=0D
-2018-02-28 : Igor Pavlov : Public domain */=0D
+2018-07-04 : Igor Pavlov : Public domain */=0D
 =0D
 #include "Precomp.h"=0D
 =0D
+#include <string.h>=0D
+=0D
 /* #include "CpuArch.h" */=0D
 #include "LzmaDec.h"=0D
 =0D
-#include <string.h>=0D
-=0D
 #define kNumTopBits 24=0D
 #define kTopValue ((UInt32)1 << kNumTopBits)=0D
 =0D
@@ -19,7 +19,7 @@
 =0D
 #define NORMALIZE if (range < kTopValue) { range <<=3D 8; code =3D (code <=
< 8) | (*buf++); }=0D
 =0D
-#define IF_BIT_0(p) ttt =3D *(p); NORMALIZE; bound =3D (range >> kNumBitMo=
delTotalBits) * ttt; if (code < bound)=0D
+#define IF_BIT_0(p) ttt =3D *(p); NORMALIZE; bound =3D (range >> kNumBitMo=
delTotalBits) * (UInt32)ttt; if (code < bound)=0D
 #define UPDATE_0(p) range =3D bound; *(p) =3D (CLzmaProb)(ttt + ((kBitMode=
lTotal - ttt) >> kNumMoveBits));=0D
 #define UPDATE_1(p) range -=3D bound; code -=3D bound; *(p) =3D (CLzmaProb=
)(ttt - (ttt >> kNumMoveBits));=0D
 #define GET_BIT2(p, i, A0, A1) IF_BIT_0(p) \=0D
@@ -66,7 +66,7 @@
 =0D
 #define NORMALIZE_CHECK if (range < kTopValue) { if (buf >=3D bufLimit) re=
turn DUMMY_ERROR; range <<=3D 8; code =3D (code << 8) | (*buf++); }=0D
 =0D
-#define IF_BIT_0_CHECK(p) ttt =3D *(p); NORMALIZE_CHECK; bound =3D (range =
>> kNumBitModelTotalBits) * ttt; if (code < bound)=0D
+#define IF_BIT_0_CHECK(p) ttt =3D *(p); NORMALIZE_CHECK; bound =3D (range =
>> kNumBitModelTotalBits) * (UInt32)ttt; if (code < bound)=0D
 #define UPDATE_0_CHECK range =3D bound;=0D
 #define UPDATE_1_CHECK range -=3D bound; code -=3D bound;=0D
 #define GET_BIT2_CHECK(p, i, A0, A1) IF_BIT_0_CHECK(p) \=0D
@@ -539,7 +539,7 @@ int MY_FAST_CALL LZMA_DECODE_REAL(CLzmaDec *p, SizeT li=
mit, const Byte *bufLimit
         curLen =3D ((rem < len) ? (unsigned)rem : len);=0D
         pos =3D dicPos - rep0 + (dicPos < rep0 ? dicBufSize : 0);=0D
 =0D
-        processedPos +=3D curLen;=0D
+        processedPos +=3D (UInt32)curLen;=0D
 =0D
         len -=3D curLen;=0D
         if (curLen <=3D dicBufSize - pos)=0D
@@ -547,7 +547,7 @@ int MY_FAST_CALL LZMA_DECODE_REAL(CLzmaDec *p, SizeT li=
mit, const Byte *bufLimit
           Byte *dest =3D dic + dicPos;=0D
           ptrdiff_t src =3D (ptrdiff_t)pos - (ptrdiff_t)dicPos;=0D
           const Byte *lim =3D dest + curLen;=0D
-          dicPos +=3D curLen;=0D
+          dicPos +=3D (SizeT)curLen;=0D
           do=0D
             *(dest) =3D (Byte)*(dest + src);=0D
           while (++dest !=3D lim);=0D
@@ -572,14 +572,14 @@ int MY_FAST_CALL LZMA_DECODE_REAL(CLzmaDec *p, SizeT =
limit, const Byte *bufLimit
   p->buf =3D buf;=0D
   p->range =3D range;=0D
   p->code =3D code;=0D
-  p->remainLen =3D len;=0D
+  p->remainLen =3D (UInt32)len;=0D
   p->dicPos =3D dicPos;=0D
   p->processedPos =3D processedPos;=0D
   p->reps[0] =3D rep0;=0D
   p->reps[1] =3D rep1;=0D
   p->reps[2] =3D rep2;=0D
   p->reps[3] =3D rep3;=0D
-  p->state =3D state;=0D
+  p->state =3D (UInt32)state;=0D
 =0D
   return SZ_OK;=0D
 }=0D
@@ -601,8 +601,8 @@ static void MY_FAST_CALL LzmaDec_WriteRem(CLzmaDec *p, =
SizeT limit)
     if (p->checkDicSize =3D=3D 0 && p->prop.dicSize - p->processedPos <=3D=
 len)=0D
       p->checkDicSize =3D p->prop.dicSize;=0D
 =0D
-    p->processedPos +=3D len;=0D
-    p->remainLen -=3D len;=0D
+    p->processedPos +=3D (UInt32)len;=0D
+    p->remainLen -=3D (UInt32)len;=0D
     while (len !=3D 0)=0D
     {=0D
       len--;=0D
@@ -850,7 +850,7 @@ static ELzmaDummy LzmaDec_TryDummy(const CLzmaDec *p, c=
onst Byte *buf, SizeT inS
 }=0D
 =0D
 =0D
-void LzmaDec_InitDicAndState(CLzmaDec *p, Bool initDic, Bool initState)=0D
+void LzmaDec_InitDicAndState(CLzmaDec *p, BoolInt initDic, BoolInt initSta=
te)=0D
 {=0D
   p->remainLen =3D kMatchSpecLenStart + 1;=0D
   p->tempBufSize =3D 0;=0D
@@ -979,10 +979,10 @@ SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit,=
 const Byte *src, SizeT *sr
         p->tempBufSize =3D rem;=0D
         if (rem < LZMA_REQUIRED_INPUT_MAX || checkEndMarkNow)=0D
         {=0D
-          int dummyRes =3D LzmaDec_TryDummy(p, p->tempBuf, rem);=0D
+          int dummyRes =3D LzmaDec_TryDummy(p, p->tempBuf, (SizeT)rem);=0D
           if (dummyRes =3D=3D DUMMY_ERROR)=0D
           {=0D
-            (*srcLen) +=3D lookAhead;=0D
+            (*srcLen) +=3D (SizeT)lookAhead;=0D
             *status =3D LZMA_STATUS_NEEDS_MORE_INPUT;=0D
             return SZ_OK;=0D
           }=0D
@@ -1005,9 +1005,9 @@ SRes LzmaDec_DecodeToDic(CLzmaDec *p, SizeT dicLimit,=
 const Byte *src, SizeT *sr
             return SZ_ERROR_FAIL; /* some internal error */=0D
           lookAhead -=3D rem;=0D
         }=0D
-        (*srcLen) +=3D lookAhead;=0D
+        (*srcLen) +=3D (SizeT)lookAhead;=0D
         src +=3D lookAhead;=0D
-        inSize -=3D lookAhead;=0D
+        inSize -=3D (SizeT)lookAhead;=0D
         p->tempBufSize =3D 0;=0D
       }=0D
   }=0D
diff --git a/BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c b/BaseTools/So=
urce/C/LzmaCompress/Sdk/C/LzmaEnc.c
index e281716fee..4e9b499f8d 100644
--- a/BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c
+++ b/BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c
@@ -1,5 +1,5 @@
 /* LzmaEnc.c -- LZMA Encoder=0D
-2018-04-29 : Igor Pavlov : Public domain */=0D
+2019-01-10: Igor Pavlov : Public domain */=0D
 =0D
 #include "Precomp.h"=0D
 =0D
@@ -38,6 +38,8 @@ static unsigned g_STAT_OFFSET =3D 0;
 #define kNumBitPriceShiftBits 4=0D
 #define kBitPrice (1 << kNumBitPriceShiftBits)=0D
 =0D
+#define REP_LEN_COUNT 64=0D
+=0D
 void LzmaEncProps_Init(CLzmaEncProps *p)=0D
 {=0D
   p->level =3D 5;=0D
@@ -52,7 +54,7 @@ void LzmaEncProps_Normalize(CLzmaEncProps *p)
   int level =3D p->level;=0D
   if (level < 0) level =3D 5;=0D
   p->level =3D level;=0D
-  =0D
+=0D
   if (p->dictSize =3D=3D 0) p->dictSize =3D (level <=3D 5 ? (1 << (level *=
 2 + 14)) : (level <=3D 7 ? (1 << 25) : (1 << 26)));=0D
   if (p->dictSize > p->reduceSize)=0D
   {=0D
@@ -74,7 +76,7 @@ void LzmaEncProps_Normalize(CLzmaEncProps *p)
   if (p->btMode < 0) p->btMode =3D (p->algo =3D=3D 0 ? 0 : 1);=0D
   if (p->numHashBytes < 0) p->numHashBytes =3D 4;=0D
   if (p->mc =3D=3D 0) p->mc =3D (16 + (p->fb >> 1)) >> (p->btMode ? 0 : 1)=
;=0D
-  =0D
+=0D
   if (p->numThreads < 0)=0D
     p->numThreads =3D=0D
       #ifndef _7ZIP_ST=0D
@@ -124,7 +126,7 @@ static void LzmaEnc_FastPosInit(Byte *g_FastPos)
   g_FastPos[0] =3D 0;=0D
   g_FastPos[1] =3D 1;=0D
   g_FastPos +=3D 2;=0D
-  =0D
+=0D
   for (slot =3D 2; slot < kNumLogBits * 2; slot++)=0D
   {=0D
     size_t k =3D ((size_t)1 << ((slot >> 1) - 1));=0D
@@ -183,8 +185,11 @@ typedef struct
 } COptimal;=0D
 =0D
 =0D
-#define kNumOpts (1 << 12)=0D
-#define kPackReserve (1 + kNumOpts * 2)=0D
+// 18.06=0D
+#define kNumOpts (1 << 11)=0D
+#define kPackReserve (kNumOpts * 8)=0D
+// #define kNumOpts (1 << 12)=0D
+// #define kPackReserve (1 + kNumOpts * 2)=0D
 =0D
 #define kNumLenToPosStates 4=0D
 #define kNumPosSlotBits 6=0D
@@ -236,10 +241,18 @@ typedef struct
 typedef struct=0D
 {=0D
   unsigned tableSize;=0D
-  unsigned counters[LZMA_NUM_PB_STATES_MAX];=0D
   UInt32 prices[LZMA_NUM_PB_STATES_MAX][kLenNumSymbolsTotal];=0D
+  // UInt32 prices1[LZMA_NUM_PB_STATES_MAX][kLenNumLowSymbols * 2];=0D
+  // UInt32 prices2[kLenNumSymbolsTotal];=0D
 } CLenPriceEnc;=0D
 =0D
+#define GET_PRICE_LEN(p, posState, len) \=0D
+    ((p)->prices[posState][(size_t)(len) - LZMA_MATCH_LEN_MIN])=0D
+=0D
+/*=0D
+#define GET_PRICE_LEN(p, posState, len) \=0D
+    ((p)->prices2[(size_t)(len) - 2] + ((p)->prices1[posState][((len) - 2)=
 & (kLenNumLowSymbols * 2 - 1)] & (((len) - 2 - kLenNumLowSymbols * 2) >> 9=
)))=0D
+*/=0D
 =0D
 typedef struct=0D
 {=0D
@@ -273,7 +286,7 @@ typedef struct
 =0D
   CLzmaProb posSlotEncoder[kNumLenToPosStates][1 << kNumPosSlotBits];=0D
   CLzmaProb posEncoders[kNumFullDistances];=0D
-  =0D
+=0D
   CLenEnc lenProbs;=0D
   CLenEnc repLenProbs;=0D
 =0D
@@ -308,16 +321,18 @@ typedef struct
   unsigned lc, lp, pb;=0D
   unsigned lclp;=0D
 =0D
-  Bool fastMode;=0D
-  Bool writeEndMark;=0D
-  Bool finished;=0D
-  Bool multiThread;=0D
-  Bool needInit;=0D
+  BoolInt fastMode;=0D
+  BoolInt writeEndMark;=0D
+  BoolInt finished;=0D
+  BoolInt multiThread;=0D
+  BoolInt needInit;=0D
+  // BoolInt _maxMode;=0D
 =0D
   UInt64 nowPos64;=0D
-  =0D
+=0D
   unsigned matchPriceCount;=0D
-  unsigned alignPriceCount;=0D
+  // unsigned alignPriceCount;=0D
+  int repLenEncCounter;=0D
 =0D
   unsigned distTableSize;=0D
 =0D
@@ -325,7 +340,7 @@ typedef struct
   SRes result;=0D
 =0D
   #ifndef _7ZIP_ST=0D
-  Bool mtMode;=0D
+  BoolInt mtMode;=0D
   // begin of CMatchFinderMt is used in LZ thread=0D
   CMatchFinderMt matchFinderMt;=0D
   // end of CMatchFinderMt is used in BT and HASH threads=0D
@@ -336,7 +351,7 @@ typedef struct
   #ifndef _7ZIP_ST=0D
   Byte pad[128];=0D
   #endif=0D
-  =0D
+=0D
   // LZ thread=0D
   CProbPrice ProbPrices[kBitModelTotal >> kNumMoveReducingBits];=0D
 =0D
@@ -355,7 +370,7 @@ typedef struct
   CLzmaProb isRep0Long[kNumStates][LZMA_NUM_PB_STATES_MAX];=0D
   CLzmaProb posSlotEncoder[kNumLenToPosStates][1 << kNumPosSlotBits];=0D
   CLzmaProb posEncoders[kNumFullDistances];=0D
-  =0D
+=0D
   CLenEnc lenProbs;=0D
   CLenEnc repLenProbs;=0D
 =0D
@@ -383,9 +398,9 @@ void LzmaEnc_SaveState(CLzmaEncHandle pp)
 {=0D
   CLzmaEnc *p =3D (CLzmaEnc *)pp;=0D
   CSaveState *dest =3D &p->saveState;=0D
-  =0D
+=0D
   dest->state =3D p->state;=0D
-  =0D
+=0D
   dest->lenProbs =3D p->lenProbs;=0D
   dest->repLenProbs =3D p->repLenProbs;=0D
 =0D
@@ -414,9 +429,9 @@ void LzmaEnc_RestoreState(CLzmaEncHandle pp)
 =0D
   dest->lenProbs =3D p->lenProbs;=0D
   dest->repLenProbs =3D p->repLenProbs;=0D
-  =0D
+=0D
   COPY_ARR(dest, p, reps);=0D
-  =0D
+=0D
   COPY_ARR(dest, p, posAlignEncoder);=0D
   COPY_ARR(dest, p, isRep);=0D
   COPY_ARR(dest, p, isRepG0);=0D
@@ -458,6 +473,7 @@ SRes LzmaEnc_SetProps(CLzmaEncHandle pp, const CLzmaEnc=
Props *props2)
   p->lp =3D props.lp;=0D
   p->pb =3D props.pb;=0D
   p->fastMode =3D (props.algo =3D=3D 0);=0D
+  // p->_maxMode =3D True;=0D
   p->matchFinderBase.btMode =3D (Byte)(props.btMode ? 1 : 0);=0D
   {=0D
     unsigned numHashBytes =3D 4;=0D
@@ -618,9 +634,9 @@ static void RangeEnc_FlushData(CRangeEnc *p)
 =0D
 #ifdef _LZMA_ENC_USE_BRANCH=0D
 =0D
-#define RC_BIT(p, prob, symbol) { \=0D
+#define RC_BIT(p, prob, bit) { \=0D
   RC_BIT_PRE(p, prob) \=0D
-  if (symbol =3D=3D 0) { range =3D newBound; ttt +=3D (kBitModelTotal - tt=
t) >> kNumMoveBits; } \=0D
+  if (bit =3D=3D 0) { range =3D newBound; ttt +=3D (kBitModelTotal - ttt) =
>> kNumMoveBits; } \=0D
   else { (p)->low +=3D newBound; range -=3D newBound; ttt -=3D ttt >> kNum=
MoveBits; } \=0D
   *(prob) =3D (CLzmaProb)ttt; \=0D
   RC_NORM(p) \=0D
@@ -628,15 +644,15 @@ static void RangeEnc_FlushData(CRangeEnc *p)
 =0D
 #else=0D
 =0D
-#define RC_BIT(p, prob, symbol) { \=0D
+#define RC_BIT(p, prob, bit) { \=0D
   UInt32 mask; \=0D
   RC_BIT_PRE(p, prob) \=0D
-  mask =3D 0 - (UInt32)symbol; \=0D
+  mask =3D 0 - (UInt32)bit; \=0D
   range &=3D mask; \=0D
   mask &=3D newBound; \=0D
   range -=3D mask; \=0D
   (p)->low +=3D mask; \=0D
-  mask =3D (UInt32)symbol - 1; \=0D
+  mask =3D (UInt32)bit - 1; \=0D
   range +=3D newBound & mask; \=0D
   mask &=3D (kBitModelTotal - ((1 << kNumMoveBits) - 1)); \=0D
   mask +=3D ((1 << kNumMoveBits) - 1); \=0D
@@ -673,42 +689,42 @@ static void RangeEnc_EncodeBit_0(CRangeEnc *p, CLzmaP=
rob *prob)
   p->range =3D range;=0D
 }=0D
 =0D
-static void LitEnc_Encode(CRangeEnc *p, CLzmaProb *probs, UInt32 symbol)=0D
+static void LitEnc_Encode(CRangeEnc *p, CLzmaProb *probs, UInt32 sym)=0D
 {=0D
   UInt32 range =3D p->range;=0D
-  symbol |=3D 0x100;=0D
+  sym |=3D 0x100;=0D
   do=0D
   {=0D
     UInt32 ttt, newBound;=0D
-    // RangeEnc_EncodeBit(p, probs + (symbol >> 8), (symbol >> 7) & 1);=0D
-    CLzmaProb *prob =3D probs + (symbol >> 8);=0D
-    UInt32 bit =3D (symbol >> 7) & 1;=0D
-    symbol <<=3D 1;=0D
+    // RangeEnc_EncodeBit(p, probs + (sym >> 8), (sym >> 7) & 1);=0D
+    CLzmaProb *prob =3D probs + (sym >> 8);=0D
+    UInt32 bit =3D (sym >> 7) & 1;=0D
+    sym <<=3D 1;=0D
     RC_BIT(p, prob, bit);=0D
   }=0D
-  while (symbol < 0x10000);=0D
+  while (sym < 0x10000);=0D
   p->range =3D range;=0D
 }=0D
 =0D
-static void LitEnc_EncodeMatched(CRangeEnc *p, CLzmaProb *probs, UInt32 sy=
mbol, UInt32 matchByte)=0D
+static void LitEnc_EncodeMatched(CRangeEnc *p, CLzmaProb *probs, UInt32 sy=
m, UInt32 matchByte)=0D
 {=0D
   UInt32 range =3D p->range;=0D
   UInt32 offs =3D 0x100;=0D
-  symbol |=3D 0x100;=0D
+  sym |=3D 0x100;=0D
   do=0D
   {=0D
     UInt32 ttt, newBound;=0D
     CLzmaProb *prob;=0D
     UInt32 bit;=0D
     matchByte <<=3D 1;=0D
-    // RangeEnc_EncodeBit(p, probs + (offs + (matchByte & offs) + (symbol =
>> 8)), (symbol >> 7) & 1);=0D
-    prob =3D probs + (offs + (matchByte & offs) + (symbol >> 8));=0D
-    bit =3D (symbol >> 7) & 1;=0D
-    symbol <<=3D 1;=0D
-    offs &=3D ~(matchByte ^ symbol);=0D
+    // RangeEnc_EncodeBit(p, probs + (offs + (matchByte & offs) + (sym >> =
8)), (sym >> 7) & 1);=0D
+    prob =3D probs + (offs + (matchByte & offs) + (sym >> 8));=0D
+    bit =3D (sym >> 7) & 1;=0D
+    sym <<=3D 1;=0D
+    offs &=3D ~(matchByte ^ sym);=0D
     RC_BIT(p, prob, bit);=0D
   }=0D
-  while (symbol < 0x10000);=0D
+  while (sym < 0x10000);=0D
   p->range =3D range;=0D
 }=0D
 =0D
@@ -739,11 +755,11 @@ static void LzmaEnc_InitPriceTables(CProbPrice *ProbP=
rices)
 }=0D
 =0D
 =0D
-#define GET_PRICE(prob, symbol) \=0D
-  p->ProbPrices[((prob) ^ (unsigned)(((-(int)(symbol))) & (kBitModelTotal =
- 1))) >> kNumMoveReducingBits];=0D
+#define GET_PRICE(prob, bit) \=0D
+  p->ProbPrices[((prob) ^ (unsigned)(((-(int)(bit))) & (kBitModelTotal - 1=
))) >> kNumMoveReducingBits];=0D
 =0D
-#define GET_PRICEa(prob, symbol) \=0D
-     ProbPrices[((prob) ^ (unsigned)((-((int)(symbol))) & (kBitModelTotal =
- 1))) >> kNumMoveReducingBits];=0D
+#define GET_PRICEa(prob, bit) \=0D
+     ProbPrices[((prob) ^ (unsigned)((-((int)(bit))) & (kBitModelTotal - 1=
))) >> kNumMoveReducingBits];=0D
 =0D
 #define GET_PRICE_0(prob) p->ProbPrices[(prob) >> kNumMoveReducingBits]=0D
 #define GET_PRICE_1(prob) p->ProbPrices[((prob) ^ (kBitModelTotal - 1)) >>=
 kNumMoveReducingBits]=0D
@@ -752,48 +768,48 @@ static void LzmaEnc_InitPriceTables(CProbPrice *ProbP=
rices)
 #define GET_PRICEa_1(prob) ProbPrices[((prob) ^ (kBitModelTotal - 1)) >> k=
NumMoveReducingBits]=0D
 =0D
 =0D
-static UInt32 LitEnc_GetPrice(const CLzmaProb *probs, UInt32 symbol, const=
 CProbPrice *ProbPrices)=0D
+static UInt32 LitEnc_GetPrice(const CLzmaProb *probs, UInt32 sym, const CP=
robPrice *ProbPrices)=0D
 {=0D
   UInt32 price =3D 0;=0D
-  symbol |=3D 0x100;=0D
+  sym |=3D 0x100;=0D
   do=0D
   {=0D
-    unsigned bit =3D symbol & 1;=0D
-    symbol >>=3D 1;=0D
-    price +=3D GET_PRICEa(probs[symbol], bit);=0D
+    unsigned bit =3D sym & 1;=0D
+    sym >>=3D 1;=0D
+    price +=3D GET_PRICEa(probs[sym], bit);=0D
   }=0D
-  while (symbol >=3D 2);=0D
+  while (sym >=3D 2);=0D
   return price;=0D
 }=0D
 =0D
 =0D
-static UInt32 LitEnc_Matched_GetPrice(const CLzmaProb *probs, UInt32 symbo=
l, UInt32 matchByte, const CProbPrice *ProbPrices)=0D
+static UInt32 LitEnc_Matched_GetPrice(const CLzmaProb *probs, UInt32 sym, =
UInt32 matchByte, const CProbPrice *ProbPrices)=0D
 {=0D
   UInt32 price =3D 0;=0D
   UInt32 offs =3D 0x100;=0D
-  symbol |=3D 0x100;=0D
+  sym |=3D 0x100;=0D
   do=0D
   {=0D
     matchByte <<=3D 1;=0D
-    price +=3D GET_PRICEa(probs[offs + (matchByte & offs) + (symbol >> 8)]=
, (symbol >> 7) & 1);=0D
-    symbol <<=3D 1;=0D
-    offs &=3D ~(matchByte ^ symbol);=0D
+    price +=3D GET_PRICEa(probs[offs + (matchByte & offs) + (sym >> 8)], (=
sym >> 7) & 1);=0D
+    sym <<=3D 1;=0D
+    offs &=3D ~(matchByte ^ sym);=0D
   }=0D
-  while (symbol < 0x10000);=0D
+  while (sym < 0x10000);=0D
   return price;=0D
 }=0D
 =0D
 =0D
-static void RcTree_ReverseEncode(CRangeEnc *rc, CLzmaProb *probs, unsigned=
 numBits, UInt32 symbol)=0D
+static void RcTree_ReverseEncode(CRangeEnc *rc, CLzmaProb *probs, unsigned=
 numBits, unsigned sym)=0D
 {=0D
   UInt32 range =3D rc->range;=0D
   unsigned m =3D 1;=0D
   do=0D
   {=0D
     UInt32 ttt, newBound;=0D
-    unsigned bit =3D symbol & 1;=0D
+    unsigned bit =3D sym & 1;=0D
     // RangeEnc_EncodeBit(rc, probs + m, bit);=0D
-    symbol >>=3D 1;=0D
+    sym >>=3D 1;=0D
     RC_BIT(rc, probs + m, bit);=0D
     m =3D (m << 1) | bit;=0D
   }=0D
@@ -812,37 +828,37 @@ static void LenEnc_Init(CLenEnc *p)
     p->high[i] =3D kProbInitValue;=0D
 }=0D
 =0D
-static void LenEnc_Encode(CLenEnc *p, CRangeEnc *rc, unsigned symbol, unsi=
gned posState)=0D
+static void LenEnc_Encode(CLenEnc *p, CRangeEnc *rc, unsigned sym, unsigne=
d posState)=0D
 {=0D
   UInt32 range, ttt, newBound;=0D
   CLzmaProb *probs =3D p->low;=0D
   range =3D rc->range;=0D
   RC_BIT_PRE(rc, probs);=0D
-  if (symbol >=3D kLenNumLowSymbols)=0D
+  if (sym >=3D kLenNumLowSymbols)=0D
   {=0D
     RC_BIT_1(rc, probs);=0D
     probs +=3D kLenNumLowSymbols;=0D
     RC_BIT_PRE(rc, probs);=0D
-    if (symbol >=3D kLenNumLowSymbols * 2)=0D
+    if (sym >=3D kLenNumLowSymbols * 2)=0D
     {=0D
       RC_BIT_1(rc, probs);=0D
       rc->range =3D range;=0D
-      // RcTree_Encode(rc, p->high, kLenNumHighBits, symbol - kLenNumLowSy=
mbols * 2);=0D
-      LitEnc_Encode(rc, p->high, symbol - kLenNumLowSymbols * 2);=0D
+      // RcTree_Encode(rc, p->high, kLenNumHighBits, sym - kLenNumLowSymbo=
ls * 2);=0D
+      LitEnc_Encode(rc, p->high, sym - kLenNumLowSymbols * 2);=0D
       return;=0D
     }=0D
-    symbol -=3D kLenNumLowSymbols;=0D
+    sym -=3D kLenNumLowSymbols;=0D
   }=0D
 =0D
-  // RcTree_Encode(rc, probs + (posState << kLenNumLowBits), kLenNumLowBit=
s, symbol);=0D
+  // RcTree_Encode(rc, probs + (posState << kLenNumLowBits), kLenNumLowBit=
s, sym);=0D
   {=0D
     unsigned m;=0D
     unsigned bit;=0D
     RC_BIT_0(rc, probs);=0D
     probs +=3D (posState << (1 + kLenNumLowBits));=0D
-    bit =3D (symbol >> 2)    ; RC_BIT(rc, probs + 1, bit); m =3D (1 << 1) =
+ bit;=0D
-    bit =3D (symbol >> 1) & 1; RC_BIT(rc, probs + m, bit); m =3D (m << 1) =
+ bit;=0D
-    bit =3D  symbol       & 1; RC_BIT(rc, probs + m, bit);=0D
+    bit =3D (sym >> 2)    ; RC_BIT(rc, probs + 1, bit); m =3D (1 << 1) + b=
it;=0D
+    bit =3D (sym >> 1) & 1; RC_BIT(rc, probs + m, bit); m =3D (m << 1) + b=
it;=0D
+    bit =3D  sym       & 1; RC_BIT(rc, probs + m, bit);=0D
     rc->range =3D range;=0D
   }=0D
 }=0D
@@ -863,50 +879,93 @@ static void SetPrices_3(const CLzmaProb *probs, UInt3=
2 startPrice, UInt32 *price
 }=0D
 =0D
 =0D
-MY_NO_INLINE static void MY_FAST_CALL LenPriceEnc_UpdateTable(=0D
-    CLenPriceEnc *p, unsigned posState,=0D
+MY_NO_INLINE static void MY_FAST_CALL LenPriceEnc_UpdateTables(=0D
+    CLenPriceEnc *p,=0D
+    unsigned numPosStates,=0D
     const CLenEnc *enc,=0D
     const CProbPrice *ProbPrices)=0D
 {=0D
-  // int y; for (y =3D 0; y < 100; y++) {=0D
-  UInt32 a;=0D
-  unsigned i, numSymbols;=0D
+  UInt32 b;=0D
+=0D
+  {=0D
+    unsigned prob =3D enc->low[0];=0D
+    UInt32 a, c;=0D
+    unsigned posState;=0D
+    b =3D GET_PRICEa_1(prob);=0D
+    a =3D GET_PRICEa_0(prob);=0D
+    c =3D b + GET_PRICEa_0(enc->low[kLenNumLowSymbols]);=0D
+    for (posState =3D 0; posState < numPosStates; posState++)=0D
+    {=0D
+      UInt32 *prices =3D p->prices[posState];=0D
+      const CLzmaProb *probs =3D enc->low + (posState << (1 + kLenNumLowBi=
ts));=0D
+      SetPrices_3(probs, a, prices, ProbPrices);=0D
+      SetPrices_3(probs + kLenNumLowSymbols, c, prices + kLenNumLowSymbols=
, ProbPrices);=0D
+    }=0D
+  }=0D
 =0D
-  UInt32 *prices =3D p->prices[posState];=0D
+  /*=0D
   {=0D
-    const CLzmaProb *probs =3D enc->low + (posState << (1 + kLenNumLowBits=
));=0D
-    SetPrices_3(probs, GET_PRICEa_0(enc->low[0]), prices, ProbPrices);=0D
+    unsigned i;=0D
+    UInt32 b;=0D
+    a =3D GET_PRICEa_0(enc->low[0]);=0D
+    for (i =3D 0; i < kLenNumLowSymbols; i++)=0D
+      p->prices2[i] =3D a;=0D
     a =3D GET_PRICEa_1(enc->low[0]);=0D
-    SetPrices_3(probs + kLenNumLowSymbols, a + GET_PRICEa_0(enc->low[kLenN=
umLowSymbols]), prices + kLenNumLowSymbols, ProbPrices);=0D
+    b =3D a + GET_PRICEa_0(enc->low[kLenNumLowSymbols]);=0D
+    for (i =3D kLenNumLowSymbols; i < kLenNumLowSymbols * 2; i++)=0D
+      p->prices2[i] =3D b;=0D
     a +=3D GET_PRICEa_1(enc->low[kLenNumLowSymbols]);=0D
   }=0D
-  numSymbols =3D p->tableSize;=0D
-  p->counters[posState] =3D numSymbols;=0D
-  for (i =3D kLenNumLowSymbols * 2; i < numSymbols; i +=3D 1)=0D
+  */=0D
+=0D
+  // p->counter =3D numSymbols;=0D
+  // p->counter =3D 64;=0D
+=0D
   {=0D
-    prices[i] =3D a +=0D
-       // RcTree_GetPrice(enc->high, kLenNumHighBits, i - kLenNumLowSymbol=
s * 2, ProbPrices);=0D
-       LitEnc_GetPrice(enc->high, i - kLenNumLowSymbols * 2, ProbPrices);=
=0D
-    /*=0D
-    unsigned sym =3D (i - kLenNumLowSymbols * 2) >> 1;=0D
-    UInt32 price =3D a + RcTree_GetPrice(enc->high, kLenNumHighBits - 1, s=
ym, ProbPrices);=0D
-    UInt32 prob =3D enc->high[(1 << 7) + sym];=0D
-    prices[i    ] =3D price + GET_PRICEa_0(prob);=0D
-    prices[i + 1] =3D price + GET_PRICEa_1(prob);=0D
-    */=0D
-  }=0D
-  // }=0D
-}=0D
+    unsigned i =3D p->tableSize;=0D
 =0D
-static void LenPriceEnc_UpdateTables(CLenPriceEnc *p, unsigned numPosState=
s,=0D
-    const CLenEnc *enc,=0D
-    const CProbPrice *ProbPrices)=0D
-{=0D
-  unsigned posState;=0D
-  for (posState =3D 0; posState < numPosStates; posState++)=0D
-    LenPriceEnc_UpdateTable(p, posState, enc, ProbPrices);=0D
-}=0D
+    if (i > kLenNumLowSymbols * 2)=0D
+    {=0D
+      const CLzmaProb *probs =3D enc->high;=0D
+      UInt32 *prices =3D p->prices[0] + kLenNumLowSymbols * 2;=0D
+      i -=3D kLenNumLowSymbols * 2 - 1;=0D
+      i >>=3D 1;=0D
+      b +=3D GET_PRICEa_1(enc->low[kLenNumLowSymbols]);=0D
+      do=0D
+      {=0D
+        /*=0D
+        p->prices2[i] =3D a +=0D
+        // RcTree_GetPrice(enc->high, kLenNumHighBits, i - kLenNumLowSymbo=
ls * 2, ProbPrices);=0D
+        LitEnc_GetPrice(probs, i - kLenNumLowSymbols * 2, ProbPrices);=0D
+        */=0D
+        // UInt32 price =3D a + RcTree_GetPrice(probs, kLenNumHighBits - 1=
, sym, ProbPrices);=0D
+        unsigned sym =3D --i + (1 << (kLenNumHighBits - 1));=0D
+        UInt32 price =3D b;=0D
+        do=0D
+        {=0D
+          unsigned bit =3D sym & 1;=0D
+          sym >>=3D 1;=0D
+          price +=3D GET_PRICEa(probs[sym], bit);=0D
+        }=0D
+        while (sym >=3D 2);=0D
+=0D
+        {=0D
+          unsigned prob =3D probs[(size_t)i + (1 << (kLenNumHighBits - 1))=
];=0D
+          prices[(size_t)i * 2    ] =3D price + GET_PRICEa_0(prob);=0D
+          prices[(size_t)i * 2 + 1] =3D price + GET_PRICEa_1(prob);=0D
+        }=0D
+      }=0D
+      while (i);=0D
 =0D
+      {=0D
+        unsigned posState;=0D
+        size_t num =3D (p->tableSize - kLenNumLowSymbols * 2) * sizeof(p->=
prices[0][0]);=0D
+        for (posState =3D 1; posState < numPosStates; posState++)=0D
+          memcpy(p->prices[posState] + kLenNumLowSymbols * 2, p->prices[0]=
 + kLenNumLowSymbols * 2, num);=0D
+      }=0D
+    }=0D
+  }=0D
+}=0D
 =0D
 /*=0D
   #ifdef SHOW_STAT=0D
@@ -914,21 +973,21 @@ static void LenPriceEnc_UpdateTables(CLenPriceEnc *p,=
 unsigned numPosStates,
   printf("\n MovePos %u", num);=0D
   #endif=0D
 */=0D
-  =0D
+=0D
 #define MOVE_POS(p, num) { \=0D
     p->additionalOffset +=3D (num); \=0D
-    p->matchFinder.Skip(p->matchFinderObj, (num)); }=0D
+    p->matchFinder.Skip(p->matchFinderObj, (UInt32)(num)); }=0D
 =0D
 =0D
 static unsigned ReadMatchDistances(CLzmaEnc *p, unsigned *numPairsRes)=0D
 {=0D
   unsigned numPairs;=0D
-  =0D
+=0D
   p->additionalOffset++;=0D
   p->numAvail =3D p->matchFinder.GetNumAvailableBytes(p->matchFinderObj);=
=0D
   numPairs =3D p->matchFinder.GetMatches(p->matchFinderObj, p->matches);=0D
   *numPairsRes =3D numPairs;=0D
-  =0D
+=0D
   #ifdef SHOW_STAT=0D
   printf("\n i =3D %u numPairs =3D %u    ", g_STAT_OFFSET, numPairs / 2);=
=0D
   g_STAT_OFFSET++;=0D
@@ -938,7 +997,7 @@ static unsigned ReadMatchDistances(CLzmaEnc *p, unsigne=
d *numPairsRes)
       printf("%2u %6u   | ", p->matches[i], p->matches[i + 1]);=0D
   }=0D
   #endif=0D
-  =0D
+=0D
   if (numPairs =3D=3D 0)=0D
     return 0;=0D
   {=0D
@@ -954,7 +1013,8 @@ static unsigned ReadMatchDistances(CLzmaEnc *p, unsign=
ed *numPairsRes)
         const Byte *p2 =3D p1 + len;=0D
         ptrdiff_t dif =3D (ptrdiff_t)-1 - p->matches[(size_t)numPairs - 1]=
;=0D
         const Byte *lim =3D p1 + numAvail;=0D
-        for (; p2 !=3D lim && *p2 =3D=3D p2[dif]; p2++);=0D
+        for (; p2 !=3D lim && *p2 =3D=3D p2[dif]; p2++)=0D
+        {}=0D
         return (unsigned)(p2 - p1);=0D
       }=0D
     }=0D
@@ -976,8 +1036,8 @@ static unsigned ReadMatchDistances(CLzmaEnc *p, unsign=
ed *numPairsRes)
   + GET_PRICE_1(p->isRep0Long[state][posState])) \=0D
   + GET_PRICE_1(p->isRep[state]) \=0D
   + GET_PRICE_0(p->isRepG0[state])=0D
-  =0D
 =0D
+MY_FORCE_INLINE=0D
 static UInt32 GetPrice_PureRep(const CLzmaEnc *p, unsigned repIndex, size_=
t state, size_t posState)=0D
 {=0D
   UInt32 price;=0D
@@ -1011,14 +1071,14 @@ static unsigned Backward(CLzmaEnc *p, unsigned cur)
   for (;;)=0D
   {=0D
     UInt32 dist =3D p->opt[cur].dist;=0D
-    UInt32 len =3D p->opt[cur].len;=0D
-    UInt32 extra =3D p->opt[cur].extra;=0D
+    unsigned len =3D (unsigned)p->opt[cur].len;=0D
+    unsigned extra =3D (unsigned)p->opt[cur].extra;=0D
     cur -=3D len;=0D
 =0D
     if (extra)=0D
     {=0D
       wr--;=0D
-      p->opt[wr].len =3D len;=0D
+      p->opt[wr].len =3D (UInt32)len;=0D
       cur -=3D extra;=0D
       len =3D extra;=0D
       if (extra =3D=3D 1)=0D
@@ -1042,10 +1102,10 @@ static unsigned Backward(CLzmaEnc *p, unsigned cur)
       p->optCur =3D wr;=0D
       return len;=0D
     }=0D
-    =0D
+=0D
     wr--;=0D
     p->opt[wr].dist =3D dist;=0D
-    p->opt[wr].len =3D len;=0D
+    p->opt[wr].len =3D (UInt32)len;=0D
   }=0D
 }=0D
 =0D
@@ -1068,9 +1128,9 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 positi=
on)
     UInt32 matchPrice, repMatchPrice;=0D
     const Byte *data;=0D
     Byte curByte, matchByte;=0D
-    =0D
+=0D
     p->optCur =3D p->optEnd =3D 0;=0D
-    =0D
+=0D
     if (p->additionalOffset =3D=3D 0)=0D
       mainLen =3D ReadMatchDistances(p, &numPairs);=0D
     else=0D
@@ -1078,7 +1138,7 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 positi=
on)
       mainLen =3D p->longestMatchLen;=0D
       numPairs =3D p->numPairs;=0D
     }=0D
-    =0D
+=0D
     numAvail =3D p->numAvail;=0D
     if (numAvail < 2)=0D
     {=0D
@@ -1087,10 +1147,10 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 posi=
tion)
     }=0D
     if (numAvail > LZMA_MATCH_LEN_MAX)=0D
       numAvail =3D LZMA_MATCH_LEN_MAX;=0D
-    =0D
+=0D
     data =3D p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1;=
=0D
     repMaxIndex =3D 0;=0D
-    =0D
+=0D
     for (i =3D 0; i < LZMA_NUM_REPS; i++)=0D
     {=0D
       unsigned len;=0D
@@ -1102,43 +1162,48 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 posi=
tion)
         repLens[i] =3D 0;=0D
         continue;=0D
       }=0D
-      for (len =3D 2; len < numAvail && data[len] =3D=3D data2[len]; len++=
);=0D
+      for (len =3D 2; len < numAvail && data[len] =3D=3D data2[len]; len++=
)=0D
+      {}=0D
       repLens[i] =3D len;=0D
       if (len > repLens[repMaxIndex])=0D
         repMaxIndex =3D i;=0D
     }=0D
-    =0D
+=0D
     if (repLens[repMaxIndex] >=3D p->numFastBytes)=0D
     {=0D
       unsigned len;=0D
-      p->backRes =3D repMaxIndex;=0D
+      p->backRes =3D (UInt32)repMaxIndex;=0D
       len =3D repLens[repMaxIndex];=0D
       MOVE_POS(p, len - 1)=0D
       return len;=0D
     }=0D
-    =0D
+=0D
     matches =3D p->matches;=0D
-    =0D
+=0D
     if (mainLen >=3D p->numFastBytes)=0D
     {=0D
       p->backRes =3D matches[(size_t)numPairs - 1] + LZMA_NUM_REPS;=0D
       MOVE_POS(p, mainLen - 1)=0D
       return mainLen;=0D
     }=0D
-    =0D
+=0D
     curByte =3D *data;=0D
     matchByte =3D *(data - reps[0]);=0D
-    =0D
-    if (mainLen < 2 && curByte !=3D matchByte && repLens[repMaxIndex] < 2)=
=0D
+=0D
+    last =3D repLens[repMaxIndex];=0D
+    if (last <=3D mainLen)=0D
+      last =3D mainLen;=0D
+=0D
+    if (last < 2 && curByte !=3D matchByte)=0D
     {=0D
       p->backRes =3D MARK_LIT;=0D
       return 1;=0D
     }=0D
-    =0D
+=0D
     p->opt[0].state =3D (CState)p->state;=0D
-    =0D
+=0D
     posState =3D (position & p->pbMask);=0D
-    =0D
+=0D
     {=0D
       const CLzmaProb *probs =3D LIT_PROBS(position, *(data - 1));=0D
       p->opt[1].price =3D GET_PRICE_0(p->isMatch[p->state][posState]) +=0D
@@ -1146,13 +1211,14 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 posi=
tion)
           LitEnc_Matched_GetPrice(probs, curByte, matchByte, p->ProbPrices=
) :=0D
           LitEnc_GetPrice(probs, curByte, p->ProbPrices));=0D
     }=0D
-    =0D
+=0D
     MakeAs_Lit(&p->opt[1]);=0D
-    =0D
+=0D
     matchPrice =3D GET_PRICE_1(p->isMatch[p->state][posState]);=0D
     repMatchPrice =3D matchPrice + GET_PRICE_1(p->isRep[p->state]);=0D
-    =0D
-    if (matchByte =3D=3D curByte)=0D
+=0D
+    // 18.06=0D
+    if (matchByte =3D=3D curByte && repLens[0] =3D=3D 0)=0D
     {=0D
       UInt32 shortRepPrice =3D repMatchPrice + GetPrice_ShortRep(p, p->sta=
te, posState);=0D
       if (shortRepPrice < p->opt[1].price)=0D
@@ -1160,32 +1226,22 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 posi=
tion)
         p->opt[1].price =3D shortRepPrice;=0D
         MakeAs_ShortRep(&p->opt[1]);=0D
       }=0D
+      if (last < 2)=0D
+      {=0D
+        p->backRes =3D p->opt[1].dist;=0D
+        return 1;=0D
+      }=0D
     }=0D
-    =0D
-    last =3D (mainLen >=3D repLens[repMaxIndex] ? mainLen : repLens[repMax=
Index]);=0D
-    =0D
-    if (last < 2)=0D
-    {=0D
-      p->backRes =3D p->opt[1].dist;=0D
-      return 1;=0D
-    }=0D
-    =0D
+=0D
     p->opt[1].len =3D 1;=0D
-    =0D
+=0D
     p->opt[0].reps[0] =3D reps[0];=0D
     p->opt[0].reps[1] =3D reps[1];=0D
     p->opt[0].reps[2] =3D reps[2];=0D
     p->opt[0].reps[3] =3D reps[3];=0D
-    =0D
-    {=0D
-      unsigned len =3D last;=0D
-      do=0D
-        p->opt[len--].price =3D kInfinityPrice;=0D
-      while (len >=3D 2);=0D
-    }=0D
 =0D
     // ---------- REP ----------=0D
-    =0D
+=0D
     for (i =3D 0; i < LZMA_NUM_REPS; i++)=0D
     {=0D
       unsigned repLen =3D repLens[i];=0D
@@ -1195,58 +1251,61 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 posi=
tion)
       price =3D repMatchPrice + GetPrice_PureRep(p, i, p->state, posState)=
;=0D
       do=0D
       {=0D
-        UInt32 price2 =3D price + p->repLenEnc.prices[posState][(size_t)re=
pLen - 2];=0D
+        UInt32 price2 =3D price + GET_PRICE_LEN(&p->repLenEnc, posState, r=
epLen);=0D
         COptimal *opt =3D &p->opt[repLen];=0D
         if (price2 < opt->price)=0D
         {=0D
           opt->price =3D price2;=0D
-          opt->len =3D repLen;=0D
-          opt->dist =3D i;=0D
+          opt->len =3D (UInt32)repLen;=0D
+          opt->dist =3D (UInt32)i;=0D
           opt->extra =3D 0;=0D
         }=0D
       }=0D
       while (--repLen >=3D 2);=0D
     }=0D
-    =0D
-    =0D
+=0D
+=0D
     // ---------- MATCH ----------=0D
     {=0D
-      unsigned len  =3D ((repLens[0] >=3D 2) ? repLens[0] + 1 : 2);=0D
+      unsigned len =3D repLens[0] + 1;=0D
       if (len <=3D mainLen)=0D
       {=0D
         unsigned offs =3D 0;=0D
         UInt32 normalMatchPrice =3D matchPrice + GET_PRICE_0(p->isRep[p->s=
tate]);=0D
 =0D
-        while (len > matches[offs])=0D
-          offs +=3D 2;=0D
-    =0D
+        if (len < 2)=0D
+          len =3D 2;=0D
+        else=0D
+          while (len > matches[offs])=0D
+            offs +=3D 2;=0D
+=0D
         for (; ; len++)=0D
         {=0D
           COptimal *opt;=0D
           UInt32 dist =3D matches[(size_t)offs + 1];=0D
-          UInt32 price2 =3D normalMatchPrice + p->lenEnc.prices[posState][=
(size_t)len - LZMA_MATCH_LEN_MIN];=0D
+          UInt32 price =3D normalMatchPrice + GET_PRICE_LEN(&p->lenEnc, po=
sState, len);=0D
           unsigned lenToPosState =3D GetLenToPosState(len);=0D
-       =0D
+=0D
           if (dist < kNumFullDistances)=0D
-            price2 +=3D p->distancesPrices[lenToPosState][dist & (kNumFull=
Distances - 1)];=0D
+            price +=3D p->distancesPrices[lenToPosState][dist & (kNumFullD=
istances - 1)];=0D
           else=0D
           {=0D
             unsigned slot;=0D
             GetPosSlot2(dist, slot);=0D
-            price2 +=3D p->alignPrices[dist & kAlignMask];=0D
-            price2 +=3D p->posSlotPrices[lenToPosState][slot];=0D
+            price +=3D p->alignPrices[dist & kAlignMask];=0D
+            price +=3D p->posSlotPrices[lenToPosState][slot];=0D
           }=0D
-          =0D
+=0D
           opt =3D &p->opt[len];=0D
-          =0D
-          if (price2 < opt->price)=0D
+=0D
+          if (price < opt->price)=0D
           {=0D
-            opt->price =3D price2;=0D
-            opt->len =3D len;=0D
+            opt->price =3D price;=0D
+            opt->len =3D (UInt32)len;=0D
             opt->dist =3D dist + LZMA_NUM_REPS;=0D
             opt->extra =3D 0;=0D
           }=0D
-          =0D
+=0D
           if (len =3D=3D matches[offs])=0D
           {=0D
             offs +=3D 2;=0D
@@ -1256,7 +1315,7 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 positi=
on)
         }=0D
       }=0D
     }=0D
-    =0D
+=0D
 =0D
     cur =3D 0;=0D
 =0D
@@ -1272,37 +1331,73 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 posi=
tion)
   }=0D
 =0D
 =0D
-  =0D
+=0D
   // ---------- Optimal Parsing ----------=0D
 =0D
   for (;;)=0D
   {=0D
-    UInt32 numAvail, numAvailFull;=0D
+    unsigned numAvail;=0D
+    UInt32 numAvailFull;=0D
     unsigned newLen, numPairs, prev, state, posState, startLen;=0D
-    UInt32 curPrice, litPrice, matchPrice, repMatchPrice;=0D
-    Bool nextIsLit;=0D
+    UInt32 litPrice, matchPrice, repMatchPrice;=0D
+    BoolInt nextIsLit;=0D
     Byte curByte, matchByte;=0D
     const Byte *data;=0D
     COptimal *curOpt, *nextOpt;=0D
 =0D
     if (++cur =3D=3D last)=0D
-      return Backward(p, cur);=0D
+      break;=0D
+=0D
+    // 18.06=0D
+    if (cur >=3D kNumOpts - 64)=0D
+    {=0D
+      unsigned j, best;=0D
+      UInt32 price =3D p->opt[cur].price;=0D
+      best =3D cur;=0D
+      for (j =3D cur + 1; j <=3D last; j++)=0D
+      {=0D
+        UInt32 price2 =3D p->opt[j].price;=0D
+        if (price >=3D price2)=0D
+        {=0D
+          price =3D price2;=0D
+          best =3D j;=0D
+        }=0D
+      }=0D
+      {=0D
+        unsigned delta =3D best - cur;=0D
+        if (delta !=3D 0)=0D
+        {=0D
+          MOVE_POS(p, delta);=0D
+        }=0D
+      }=0D
+      cur =3D best;=0D
+      break;=0D
+    }=0D
 =0D
     newLen =3D ReadMatchDistances(p, &numPairs);=0D
-    =0D
+=0D
     if (newLen >=3D p->numFastBytes)=0D
     {=0D
       p->numPairs =3D numPairs;=0D
       p->longestMatchLen =3D newLen;=0D
-      return Backward(p, cur);=0D
+      break;=0D
     }=0D
-    =0D
+=0D
     curOpt =3D &p->opt[cur];=0D
+=0D
+    position++;=0D
+=0D
+    // we need that check here, if skip_items in p->opt are possible=0D
+    /*=0D
+    if (curOpt->price >=3D kInfinityPrice)=0D
+      continue;=0D
+    */=0D
+=0D
     prev =3D cur - curOpt->len;=0D
-    =0D
+=0D
     if (curOpt->len =3D=3D 1)=0D
     {=0D
-      state =3D p->opt[prev].state;=0D
+      state =3D (unsigned)p->opt[prev].state;=0D
       if (IsShortRep(curOpt))=0D
         state =3D kShortRepNextStates[state];=0D
       else=0D
@@ -1316,14 +1411,14 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 posi=
tion)
 =0D
       if (curOpt->extra)=0D
       {=0D
-        prev -=3D curOpt->extra;=0D
+        prev -=3D (unsigned)curOpt->extra;=0D
         state =3D kState_RepAfterLit;=0D
         if (curOpt->extra =3D=3D 1)=0D
-          state =3D (dist < LZMA_NUM_REPS) ? kState_RepAfterLit : kState_M=
atchAfterLit;=0D
+          state =3D (dist < LZMA_NUM_REPS ? kState_RepAfterLit : kState_Ma=
tchAfterLit);=0D
       }=0D
       else=0D
       {=0D
-        state =3D p->opt[prev].state;=0D
+        state =3D (unsigned)p->opt[prev].state;=0D
         if (dist < LZMA_NUM_REPS)=0D
           state =3D kRepNextStates[state];=0D
         else=0D
@@ -1368,7 +1463,7 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 positi=
on)
         reps[3] =3D prevOpt->reps[2];=0D
       }=0D
     }=0D
-    =0D
+=0D
     curOpt->state =3D (CState)state;=0D
     curOpt->reps[0] =3D reps[0];=0D
     curOpt->reps[1] =3D reps[1];=0D
@@ -1379,7 +1474,6 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 positi=
on)
     curByte =3D *data;=0D
     matchByte =3D *(data - reps[0]);=0D
 =0D
-    position++;=0D
     posState =3D (position & p->pbMask);=0D
 =0D
     /*=0D
@@ -1391,19 +1485,31 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 posi=
tion)
        <  MATCH  [ : LIT : REP_0 ]=0D
     */=0D
 =0D
-    curPrice =3D curOpt->price;=0D
-    litPrice =3D curPrice + GET_PRICE_0(p->isMatch[state][posState]);=0D
+    {=0D
+      UInt32 curPrice =3D curOpt->price;=0D
+      unsigned prob =3D p->isMatch[state][posState];=0D
+      matchPrice =3D curPrice + GET_PRICE_1(prob);=0D
+      litPrice =3D curPrice + GET_PRICE_0(prob);=0D
+    }=0D
 =0D
     nextOpt =3D &p->opt[(size_t)cur + 1];=0D
     nextIsLit =3D False;=0D
 =0D
-    // if (litPrice >=3D nextOpt->price) litPrice =3D 0; else // 18.new=0D
+    // here we can allow skip_items in p->opt, if we don't check (nextOpt-=
>price < kInfinityPrice)=0D
+    // 18.new.06=0D
+    if ((nextOpt->price < kInfinityPrice=0D
+        // && !IsLitState(state)=0D
+        && matchByte =3D=3D curByte)=0D
+        || litPrice > nextOpt->price=0D
+        )=0D
+      litPrice =3D 0;=0D
+    else=0D
     {=0D
       const CLzmaProb *probs =3D LIT_PROBS(position, *(data - 1));=0D
       litPrice +=3D (!IsLitState(state) ?=0D
           LitEnc_Matched_GetPrice(probs, curByte, matchByte, p->ProbPrices=
) :=0D
           LitEnc_GetPrice(probs, curByte, p->ProbPrices));=0D
-      =0D
+=0D
       if (litPrice < nextOpt->price)=0D
       {=0D
         nextOpt->price =3D litPrice;=0D
@@ -1413,21 +1519,32 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 posi=
tion)
       }=0D
     }=0D
 =0D
-    matchPrice =3D curPrice + GET_PRICE_1(p->isMatch[state][posState]);=0D
     repMatchPrice =3D matchPrice + GET_PRICE_1(p->isRep[state]);=0D
-    =0D
+=0D
+    numAvailFull =3D p->numAvail;=0D
+    {=0D
+      unsigned temp =3D kNumOpts - 1 - cur;=0D
+      if (numAvailFull > temp)=0D
+        numAvailFull =3D (UInt32)temp;=0D
+    }=0D
+=0D
+    // 18.06=0D
     // ---------- SHORT_REP ----------=0D
-    // if (IsLitState(state)) // 18.new=0D
+    if (IsLitState(state)) // 18.new=0D
     if (matchByte =3D=3D curByte)=0D
-    // if (repMatchPrice < nextOpt->price) // 18.new=0D
-    if (nextOpt->len < 2=0D
+    if (repMatchPrice < nextOpt->price) // 18.new=0D
+    // if (numAvailFull < 2 || data[1] !=3D *(data - reps[0] + 1))=0D
+    if (=0D
+        // nextOpt->price >=3D kInfinityPrice ||=0D
+        nextOpt->len < 2   // we can check nextOpt->len, if skip items are=
 not allowed in p->opt=0D
         || (nextOpt->dist !=3D 0=0D
-            && nextOpt->extra <=3D 1 // 17.old=0D
-        ))=0D
+            // && nextOpt->extra <=3D 1 // 17.old=0D
+            )=0D
+        )=0D
     {=0D
       UInt32 shortRepPrice =3D repMatchPrice + GetPrice_ShortRep(p, state,=
 posState);=0D
-      if (shortRepPrice <=3D nextOpt->price) // 17.old=0D
-      // if (shortRepPrice < nextOpt->price)  // 18.new=0D
+      // if (shortRepPrice <=3D nextOpt->price) // 17.old=0D
+      if (shortRepPrice < nextOpt->price)  // 18.new=0D
       {=0D
         nextOpt->price =3D shortRepPrice;=0D
         nextOpt->len =3D 1;=0D
@@ -1435,13 +1552,6 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 posit=
ion)
         nextIsLit =3D False;=0D
       }=0D
     }=0D
-    =0D
-    numAvailFull =3D p->numAvail;=0D
-    {=0D
-      UInt32 temp =3D kNumOpts - 1 - cur;=0D
-      if (numAvailFull > temp)=0D
-        numAvailFull =3D temp;=0D
-    }=0D
 =0D
     if (numAvailFull < 2)=0D
       continue;=0D
@@ -1451,9 +1561,8 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 positi=
on)
 =0D
     // ---------- LIT : REP_0 ----------=0D
 =0D
-    if (=0D
-        // litPrice !=3D 0 && // 18.new=0D
-        !nextIsLit=0D
+    if (!nextIsLit=0D
+        && litPrice !=3D 0 // 18.new=0D
         && matchByte !=3D curByte=0D
         && numAvailFull > 2)=0D
     {=0D
@@ -1465,32 +1574,32 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 posi=
tion)
         if (limit > numAvailFull)=0D
           limit =3D numAvailFull;=0D
         for (len =3D 3; len < limit && data[len] =3D=3D data2[len]; len++)=
=0D
-        {=0D
-        }=0D
-        =0D
+        {}=0D
+=0D
         {=0D
           unsigned state2 =3D kLiteralNextStates[state];=0D
           unsigned posState2 =3D (position + 1) & p->pbMask;=0D
           UInt32 price =3D litPrice + GetPrice_Rep_0(p, state2, posState2)=
;=0D
           {=0D
             unsigned offset =3D cur + len;=0D
-            while (last < offset)=0D
-              p->opt[++last].price =3D kInfinityPrice;=0D
-          =0D
+=0D
+            if (last < offset)=0D
+              last =3D offset;=0D
+=0D
             // do=0D
             {=0D
               UInt32 price2;=0D
               COptimal *opt;=0D
               len--;=0D
               // price2 =3D price + GetPrice_Len_Rep_0(p, len, state2, pos=
State2);=0D
-              price2 =3D price + p->repLenEnc.prices[posState2][len - LZMA=
_MATCH_LEN_MIN];=0D
+              price2 =3D price + GET_PRICE_LEN(&p->repLenEnc, posState2, l=
en);=0D
 =0D
               opt =3D &p->opt[offset];=0D
               // offset--;=0D
               if (price2 < opt->price)=0D
               {=0D
                 opt->price =3D price2;=0D
-                opt->len =3D len;=0D
+                opt->len =3D (UInt32)len;=0D
                 opt->dist =3D 0;=0D
                 opt->extra =3D 1;=0D
               }=0D
@@ -1500,8 +1609,9 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 positi=
on)
         }=0D
       }=0D
     }=0D
-    =0D
+=0D
     startLen =3D 2; /* speed optimization */=0D
+=0D
     {=0D
       // ---------- REP ----------=0D
       unsigned repIndex =3D 0; // 17.old=0D
@@ -1513,31 +1623,35 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 posi=
tion)
         const Byte *data2 =3D data - reps[repIndex];=0D
         if (data[0] !=3D data2[0] || data[1] !=3D data2[1])=0D
           continue;=0D
-        =0D
-        for (len =3D 2; len < numAvail && data[len] =3D=3D data2[len]; len=
++);=0D
-        =0D
+=0D
+        for (len =3D 2; len < numAvail && data[len] =3D=3D data2[len]; len=
++)=0D
+        {}=0D
+=0D
         // if (len < startLen) continue; // 18.new: speed optimization=0D
 =0D
-        while (last < cur + len)=0D
-          p->opt[++last].price =3D kInfinityPrice;=0D
+        {=0D
+          unsigned offset =3D cur + len;=0D
+          if (last < offset)=0D
+            last =3D offset;=0D
+        }=0D
         {=0D
           unsigned len2 =3D len;=0D
           price =3D repMatchPrice + GetPrice_PureRep(p, repIndex, state, p=
osState);=0D
           do=0D
           {=0D
-            UInt32 price2 =3D price + p->repLenEnc.prices[posState][(size_=
t)len2 - 2];=0D
+            UInt32 price2 =3D price + GET_PRICE_LEN(&p->repLenEnc, posStat=
e, len2);=0D
             COptimal *opt =3D &p->opt[cur + len2];=0D
             if (price2 < opt->price)=0D
             {=0D
               opt->price =3D price2;=0D
-              opt->len =3D len2;=0D
-              opt->dist =3D repIndex;=0D
+              opt->len =3D (UInt32)len2;=0D
+              opt->dist =3D (UInt32)repIndex;=0D
               opt->extra =3D 0;=0D
             }=0D
           }=0D
           while (--len2 >=3D 2);=0D
         }=0D
-        =0D
+=0D
         if (repIndex =3D=3D 0) startLen =3D len + 1;  // 17.old=0D
         // startLen =3D len + 1; // 18.new=0D
 =0D
@@ -1550,51 +1664,59 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 posi=
tion)
           unsigned limit =3D len2 + p->numFastBytes;=0D
           if (limit > numAvailFull)=0D
             limit =3D numAvailFull;=0D
-          =0D
-          for (; len2 < limit && data[len2] =3D=3D data2[len2]; len2++);=0D
-          =0D
-          len2 -=3D len;=0D
-          if (len2 >=3D 3)=0D
+=0D
+          len2 +=3D 2;=0D
+          if (len2 <=3D limit)=0D
+          if (data[len2 - 2] =3D=3D data2[len2 - 2])=0D
+          if (data[len2 - 1] =3D=3D data2[len2 - 1])=0D
           {=0D
             unsigned state2 =3D kRepNextStates[state];=0D
             unsigned posState2 =3D (position + len) & p->pbMask;=0D
-            price +=3D=0D
-                  p->repLenEnc.prices[posState][(size_t)len - 2]=0D
+            price +=3D GET_PRICE_LEN(&p->repLenEnc, posState, len)=0D
                 + GET_PRICE_0(p->isMatch[state2][posState2])=0D
                 + LitEnc_Matched_GetPrice(LIT_PROBS(position + len, data[(=
size_t)len - 1]),=0D
                     data[len], data2[len], p->ProbPrices);=0D
-            =0D
+=0D
             // state2 =3D kLiteralNextStates[state2];=0D
             state2 =3D kState_LitAfterRep;=0D
             posState2 =3D (posState2 + 1) & p->pbMask;=0D
 =0D
 =0D
             price +=3D GetPrice_Rep_0(p, state2, posState2);=0D
+=0D
+          for (; len2 < limit && data[len2] =3D=3D data2[len2]; len2++)=0D
+          {}=0D
+=0D
+          len2 -=3D len;=0D
+          // if (len2 >=3D 3)=0D
+          {=0D
             {=0D
               unsigned offset =3D cur + len + len2;=0D
-              while (last < offset)=0D
-                p->opt[++last].price =3D kInfinityPrice;=0D
+=0D
+              if (last < offset)=0D
+                last =3D offset;=0D
               // do=0D
               {=0D
-                unsigned price2;=0D
+                UInt32 price2;=0D
                 COptimal *opt;=0D
                 len2--;=0D
                 // price2 =3D price + GetPrice_Len_Rep_0(p, len2, state2, =
posState2);=0D
-                price2 =3D price + p->repLenEnc.prices[posState2][len2 - L=
ZMA_MATCH_LEN_MIN];=0D
+                price2 =3D price + GET_PRICE_LEN(&p->repLenEnc, posState2,=
 len2);=0D
 =0D
                 opt =3D &p->opt[offset];=0D
                 // offset--;=0D
                 if (price2 < opt->price)=0D
                 {=0D
                   opt->price =3D price2;=0D
-                  opt->len =3D len2;=0D
+                  opt->len =3D (UInt32)len2;=0D
                   opt->extra =3D (CExtra)(len + 1);=0D
-                  opt->dist =3D repIndex;=0D
+                  opt->dist =3D (UInt32)repIndex;=0D
                 }=0D
               }=0D
               // while (len2 >=3D 3);=0D
             }=0D
           }=0D
+          }=0D
         }=0D
       }=0D
     }=0D
@@ -1606,49 +1728,57 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 posi=
tion)
     {=0D
       newLen =3D numAvail;=0D
       for (numPairs =3D 0; newLen > matches[numPairs]; numPairs +=3D 2);=0D
-      matches[numPairs] =3D newLen;=0D
+      matches[numPairs] =3D (UInt32)newLen;=0D
       numPairs +=3D 2;=0D
     }=0D
-    =0D
+=0D
+    // startLen =3D 2; /* speed optimization */=0D
+=0D
     if (newLen >=3D startLen)=0D
     {=0D
       UInt32 normalMatchPrice =3D matchPrice + GET_PRICE_0(p->isRep[state]=
);=0D
       UInt32 dist;=0D
       unsigned offs, posSlot, len;=0D
-      while (last < cur + newLen)=0D
-        p->opt[++last].price =3D kInfinityPrice;=0D
+=0D
+      {=0D
+        unsigned offset =3D cur + newLen;=0D
+        if (last < offset)=0D
+          last =3D offset;=0D
+      }=0D
 =0D
       offs =3D 0;=0D
       while (startLen > matches[offs])=0D
         offs +=3D 2;=0D
       dist =3D matches[(size_t)offs + 1];=0D
-      =0D
+=0D
       // if (dist >=3D kNumFullDistances)=0D
       GetPosSlot2(dist, posSlot);=0D
-      =0D
+=0D
       for (len =3D /*2*/ startLen; ; len++)=0D
       {=0D
-        UInt32 price =3D normalMatchPrice + p->lenEnc.prices[posState][(si=
ze_t)len - LZMA_MATCH_LEN_MIN];=0D
+        UInt32 price =3D normalMatchPrice + GET_PRICE_LEN(&p->lenEnc, posS=
tate, len);=0D
         {=0D
           COptimal *opt;=0D
-          unsigned lenToPosState =3D len - 2; lenToPosState =3D GetLenToPo=
sState2(lenToPosState);=0D
+          unsigned lenNorm =3D len - 2;=0D
+          lenNorm =3D GetLenToPosState2(lenNorm);=0D
           if (dist < kNumFullDistances)=0D
-            price +=3D p->distancesPrices[lenToPosState][dist & (kNumFullD=
istances - 1)];=0D
+            price +=3D p->distancesPrices[lenNorm][dist & (kNumFullDistanc=
es - 1)];=0D
           else=0D
-            price +=3D p->posSlotPrices[lenToPosState][posSlot] + p->align=
Prices[dist & kAlignMask];=0D
-          =0D
+            price +=3D p->posSlotPrices[lenNorm][posSlot] + p->alignPrices=
[dist & kAlignMask];=0D
+=0D
           opt =3D &p->opt[cur + len];=0D
           if (price < opt->price)=0D
           {=0D
             opt->price =3D price;=0D
-            opt->len =3D len;=0D
+            opt->len =3D (UInt32)len;=0D
             opt->dist =3D dist + LZMA_NUM_REPS;=0D
             opt->extra =3D 0;=0D
           }=0D
         }=0D
 =0D
-        if (/*_maxMode && */ len =3D=3D matches[offs])=0D
+        if (len =3D=3D matches[offs])=0D
         {=0D
+          // if (p->_maxMode) {=0D
           // MATCH : LIT : REP_0=0D
 =0D
           const Byte *data2 =3D data - dist - 1;=0D
@@ -1656,12 +1786,18 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 posi=
tion)
           unsigned limit =3D len2 + p->numFastBytes;=0D
           if (limit > numAvailFull)=0D
             limit =3D numAvailFull;=0D
-          =0D
-          for (; len2 < limit && data[len2] =3D=3D data2[len2]; len2++);=0D
-          =0D
+=0D
+          len2 +=3D 2;=0D
+          if (len2 <=3D limit)=0D
+          if (data[len2 - 2] =3D=3D data2[len2 - 2])=0D
+          if (data[len2 - 1] =3D=3D data2[len2 - 1])=0D
+          {=0D
+          for (; len2 < limit && data[len2] =3D=3D data2[len2]; len2++)=0D
+          {}=0D
+=0D
           len2 -=3D len;=0D
-          =0D
-          if (len2 >=3D 3)=0D
+=0D
+          // if (len2 >=3D 3)=0D
           {=0D
             unsigned state2 =3D kMatchNextStates[state];=0D
             unsigned posState2 =3D (position + len) & p->pbMask;=0D
@@ -1677,28 +1813,31 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 posi=
tion)
             price +=3D GetPrice_Rep_0(p, state2, posState2);=0D
 =0D
             offset =3D cur + len + len2;=0D
-            while (last < offset)=0D
-              p->opt[++last].price =3D kInfinityPrice;=0D
+=0D
+            if (last < offset)=0D
+              last =3D offset;=0D
             // do=0D
             {=0D
               UInt32 price2;=0D
               COptimal *opt;=0D
               len2--;=0D
               // price2 =3D price + GetPrice_Len_Rep_0(p, len2, state2, po=
sState2);=0D
-              price2 =3D price + p->repLenEnc.prices[posState2][len2 - LZM=
A_MATCH_LEN_MIN];=0D
+              price2 =3D price + GET_PRICE_LEN(&p->repLenEnc, posState2, l=
en2);=0D
               opt =3D &p->opt[offset];=0D
               // offset--;=0D
               if (price2 < opt->price)=0D
               {=0D
                 opt->price =3D price2;=0D
-                opt->len =3D len2;=0D
+                opt->len =3D (UInt32)len2;=0D
                 opt->extra =3D (CExtra)(len + 1);=0D
                 opt->dist =3D dist + LZMA_NUM_REPS;=0D
               }=0D
             }=0D
             // while (len2 >=3D 3);=0D
           }=0D
-        =0D
+=0D
+          }=0D
+=0D
           offs +=3D 2;=0D
           if (offs =3D=3D numPairs)=0D
             break;=0D
@@ -1709,6 +1848,12 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 posit=
ion)
       }=0D
     }=0D
   }=0D
+=0D
+  do=0D
+    p->opt[last].price =3D kInfinityPrice;=0D
+  while (--last);=0D
+=0D
+  return Backward(p, cur);=0D
 }=0D
 =0D
 =0D
@@ -1735,21 +1880,23 @@ static unsigned GetOptimumFast(CLzmaEnc *p)
   p->backRes =3D MARK_LIT;=0D
   if (numAvail < 2)=0D
     return 1;=0D
+  // if (mainLen < 2 && p->state =3D=3D 0) return 1; // 18.06.notused=0D
   if (numAvail > LZMA_MATCH_LEN_MAX)=0D
     numAvail =3D LZMA_MATCH_LEN_MAX;=0D
   data =3D p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1;=0D
   repLen =3D repIndex =3D 0;=0D
-  =0D
+=0D
   for (i =3D 0; i < LZMA_NUM_REPS; i++)=0D
   {=0D
     unsigned len;=0D
     const Byte *data2 =3D data - p->reps[i];=0D
     if (data[0] !=3D data2[0] || data[1] !=3D data2[1])=0D
       continue;=0D
-    for (len =3D 2; len < numAvail && data[len] =3D=3D data2[len]; len++);=
=0D
+    for (len =3D 2; len < numAvail && data[len] =3D=3D data2[len]; len++)=
=0D
+    {}=0D
     if (len >=3D p->numFastBytes)=0D
     {=0D
-      p->backRes =3D i;=0D
+      p->backRes =3D (UInt32)i;=0D
       MOVE_POS(p, len - 1)=0D
       return len;=0D
     }=0D
@@ -1768,7 +1915,7 @@ static unsigned GetOptimumFast(CLzmaEnc *p)
   }=0D
 =0D
   mainDist =3D 0; /* for GCC */=0D
-  =0D
+=0D
   if (mainLen >=3D 2)=0D
   {=0D
     mainDist =3D p->matches[(size_t)numPairs - 1];=0D
@@ -1793,18 +1940,18 @@ static unsigned GetOptimumFast(CLzmaEnc *p)
         || (repLen + 2 >=3D mainLen && mainDist >=3D (1 << 9))=0D
         || (repLen + 3 >=3D mainLen && mainDist >=3D (1 << 15)))=0D
   {=0D
-    p->backRes =3D repIndex;=0D
+    p->backRes =3D (UInt32)repIndex;=0D
     MOVE_POS(p, repLen - 1)=0D
     return repLen;=0D
   }=0D
-  =0D
+=0D
   if (mainLen < 2 || numAvail <=3D 2)=0D
     return 1;=0D
 =0D
   {=0D
     unsigned len1 =3D ReadMatchDistances(p, &p->numPairs);=0D
     p->longestMatchLen =3D len1;=0D
-  =0D
+=0D
     if (len1 >=3D 2)=0D
     {=0D
       UInt32 newDist =3D p->matches[(size_t)p->numPairs - 1];=0D
@@ -1815,9 +1962,9 @@ static unsigned GetOptimumFast(CLzmaEnc *p)
         return 1;=0D
     }=0D
   }=0D
-  =0D
+=0D
   data =3D p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1;=0D
-  =0D
+=0D
   for (i =3D 0; i < LZMA_NUM_REPS; i++)=0D
   {=0D
     unsigned len, limit;=0D
@@ -1833,7 +1980,7 @@ static unsigned GetOptimumFast(CLzmaEnc *p)
         break;=0D
     }=0D
   }=0D
-  =0D
+=0D
   p->backRes =3D mainDist + LZMA_NUM_REPS;=0D
   if (mainLen !=3D 2)=0D
   {=0D
@@ -1859,7 +2006,7 @@ static void WriteEndMarker(CLzmaEnc *p, unsigned posS=
tate)
     RC_BIT_0(&p->rc, prob)=0D
   }=0D
   p->state =3D kMatchNextStates[p->state];=0D
-  =0D
+=0D
   p->rc.range =3D range;=0D
   LenEnc_Encode(&p->lenProbs, &p->rc, 0, posState);=0D
   range =3D p->rc.range;=0D
@@ -1888,7 +2035,7 @@ static void WriteEndMarker(CLzmaEnc *p, unsigned posS=
tate)
     }=0D
     while (--numBits);=0D
   }=0D
-   =0D
+=0D
   {=0D
     // RcTree_ReverseEncode(&p->rc, p->posAlignEncoder, kNumAlignBits, kAl=
ignMask);=0D
     CLzmaProb *probs =3D p->posAlignEncoder;=0D
@@ -1932,23 +2079,22 @@ MY_NO_INLINE static SRes Flush(CLzmaEnc *p, UInt32 =
nowPos)
 }=0D
 =0D
 =0D
-=0D
-static void FillAlignPrices(CLzmaEnc *p)=0D
+MY_NO_INLINE static void FillAlignPrices(CLzmaEnc *p)=0D
 {=0D
   unsigned i;=0D
   const CProbPrice *ProbPrices =3D p->ProbPrices;=0D
   const CLzmaProb *probs =3D p->posAlignEncoder;=0D
-  p->alignPriceCount =3D 0;=0D
+  // p->alignPriceCount =3D 0;=0D
   for (i =3D 0; i < kAlignTableSize / 2; i++)=0D
   {=0D
     UInt32 price =3D 0;=0D
-    unsigned symbol =3D i;=0D
+    unsigned sym =3D i;=0D
     unsigned m =3D 1;=0D
     unsigned bit;=0D
     UInt32 prob;=0D
-    bit =3D symbol & 1; symbol >>=3D 1; price +=3D GET_PRICEa(probs[m], bi=
t); m =3D (m << 1) + bit;=0D
-    bit =3D symbol & 1; symbol >>=3D 1; price +=3D GET_PRICEa(probs[m], bi=
t); m =3D (m << 1) + bit;=0D
-    bit =3D symbol & 1; symbol >>=3D 1; price +=3D GET_PRICEa(probs[m], bi=
t); m =3D (m << 1) + bit;=0D
+    bit =3D sym & 1; sym >>=3D 1; price +=3D GET_PRICEa(probs[m], bit); m =
=3D (m << 1) + bit;=0D
+    bit =3D sym & 1; sym >>=3D 1; price +=3D GET_PRICEa(probs[m], bit); m =
=3D (m << 1) + bit;=0D
+    bit =3D sym & 1; sym >>=3D 1; price +=3D GET_PRICEa(probs[m], bit); m =
=3D (m << 1) + bit;=0D
     prob =3D probs[m];=0D
     p->alignPrices[i    ] =3D price + GET_PRICEa_0(prob);=0D
     p->alignPrices[i + 8] =3D price + GET_PRICEa_1(prob);=0D
@@ -1957,78 +2103,97 @@ static void FillAlignPrices(CLzmaEnc *p)
 }=0D
 =0D
 =0D
-static void FillDistancesPrices(CLzmaEnc *p)=0D
+MY_NO_INLINE static void FillDistancesPrices(CLzmaEnc *p)=0D
 {=0D
+  // int y; for (y =3D 0; y < 100; y++) {=0D
+=0D
   UInt32 tempPrices[kNumFullDistances];=0D
-  unsigned i, lenToPosState;=0D
+  unsigned i, lps;=0D
 =0D
   const CProbPrice *ProbPrices =3D p->ProbPrices;=0D
   p->matchPriceCount =3D 0;=0D
 =0D
-  for (i =3D kStartPosModelIndex; i < kNumFullDistances; i++)=0D
+  for (i =3D kStartPosModelIndex / 2; i < kNumFullDistances / 2; i++)=0D
   {=0D
     unsigned posSlot =3D GetPosSlot1(i);=0D
-    unsigned footerBits =3D ((posSlot >> 1) - 1);=0D
+    unsigned footerBits =3D (posSlot >> 1) - 1;=0D
     unsigned base =3D ((2 | (posSlot & 1)) << footerBits);=0D
+    const CLzmaProb *probs =3D p->posEncoders + (size_t)base * 2;=0D
     // tempPrices[i] =3D RcTree_ReverseGetPrice(p->posEncoders + base, foo=
terBits, i - base, p->ProbPrices);=0D
-=0D
-    const CLzmaProb *probs =3D p->posEncoders + base;=0D
     UInt32 price =3D 0;=0D
     unsigned m =3D 1;=0D
-    unsigned symbol =3D i - base;=0D
+    unsigned sym =3D i;=0D
+    unsigned offset =3D (unsigned)1 << footerBits;=0D
+    base +=3D i;=0D
+=0D
+    if (footerBits)=0D
     do=0D
     {=0D
-      unsigned bit =3D symbol & 1;=0D
-      symbol >>=3D 1;=0D
+      unsigned bit =3D sym & 1;=0D
+      sym >>=3D 1;=0D
       price +=3D GET_PRICEa(probs[m], bit);=0D
       m =3D (m << 1) + bit;=0D
     }=0D
     while (--footerBits);=0D
-    tempPrices[i] =3D price;=0D
+=0D
+    {=0D
+      unsigned prob =3D probs[m];=0D
+      tempPrices[base         ] =3D price + GET_PRICEa_0(prob);=0D
+      tempPrices[base + offset] =3D price + GET_PRICEa_1(prob);=0D
+    }=0D
   }=0D
 =0D
-  for (lenToPosState =3D 0; lenToPosState < kNumLenToPosStates; lenToPosSt=
ate++)=0D
+  for (lps =3D 0; lps < kNumLenToPosStates; lps++)=0D
   {=0D
-    unsigned posSlot;=0D
-    const CLzmaProb *encoder =3D p->posSlotEncoder[lenToPosState];=0D
-    UInt32 *posSlotPrices =3D p->posSlotPrices[lenToPosState];=0D
-    unsigned distTableSize =3D p->distTableSize;=0D
-    const CLzmaProb *probs =3D encoder;=0D
-    for (posSlot =3D 0; posSlot < distTableSize; posSlot +=3D 2)=0D
+    unsigned slot;=0D
+    unsigned distTableSize2 =3D (p->distTableSize + 1) >> 1;=0D
+    UInt32 *posSlotPrices =3D p->posSlotPrices[lps];=0D
+    const CLzmaProb *probs =3D p->posSlotEncoder[lps];=0D
+=0D
+    for (slot =3D 0; slot < distTableSize2; slot++)=0D
     {=0D
-      // posSlotPrices[posSlot] =3D RcTree_GetPrice(encoder, kNumPosSlotBi=
ts, posSlot, p->ProbPrices);=0D
-      UInt32 price =3D 0;=0D
+      // posSlotPrices[slot] =3D RcTree_GetPrice(encoder, kNumPosSlotBits,=
 slot, p->ProbPrices);=0D
+      UInt32 price;=0D
       unsigned bit;=0D
-      unsigned symbol =3D (posSlot >> 1) + (1 << (kNumPosSlotBits - 1));=0D
-      UInt32 prob;=0D
-      bit =3D symbol & 1; symbol >>=3D 1; price +=3D GET_PRICEa(probs[symb=
ol], bit);=0D
-      bit =3D symbol & 1; symbol >>=3D 1; price +=3D GET_PRICEa(probs[symb=
ol], bit);=0D
-      bit =3D symbol & 1; symbol >>=3D 1; price +=3D GET_PRICEa(probs[symb=
ol], bit);=0D
-      bit =3D symbol & 1; symbol >>=3D 1; price +=3D GET_PRICEa(probs[symb=
ol], bit);=0D
-      bit =3D symbol & 1; symbol >>=3D 1; price +=3D GET_PRICEa(probs[symb=
ol], bit);=0D
-      prob =3D probs[(posSlot >> 1) + (1 << (kNumPosSlotBits - 1))];=0D
-      posSlotPrices[posSlot    ] =3D price + GET_PRICEa_0(prob);=0D
-      posSlotPrices[posSlot + 1] =3D price + GET_PRICEa_1(prob);=0D
+      unsigned sym =3D slot + (1 << (kNumPosSlotBits - 1));=0D
+      unsigned prob;=0D
+      bit =3D sym & 1; sym >>=3D 1; price  =3D GET_PRICEa(probs[sym], bit)=
;=0D
+      bit =3D sym & 1; sym >>=3D 1; price +=3D GET_PRICEa(probs[sym], bit)=
;=0D
+      bit =3D sym & 1; sym >>=3D 1; price +=3D GET_PRICEa(probs[sym], bit)=
;=0D
+      bit =3D sym & 1; sym >>=3D 1; price +=3D GET_PRICEa(probs[sym], bit)=
;=0D
+      bit =3D sym & 1; sym >>=3D 1; price +=3D GET_PRICEa(probs[sym], bit)=
;=0D
+      prob =3D probs[(size_t)slot + (1 << (kNumPosSlotBits - 1))];=0D
+      posSlotPrices[(size_t)slot * 2    ] =3D price + GET_PRICEa_0(prob);=
=0D
+      posSlotPrices[(size_t)slot * 2 + 1] =3D price + GET_PRICEa_1(prob);=
=0D
     }=0D
-    for (posSlot =3D kEndPosModelIndex; posSlot < distTableSize; posSlot++=
)=0D
-      posSlotPrices[posSlot] +=3D ((UInt32)(((posSlot >> 1) - 1) - kNumAli=
gnBits) << kNumBitPriceShiftBits);=0D
 =0D
     {=0D
-      UInt32 *distancesPrices =3D p->distancesPrices[lenToPosState];=0D
+      UInt32 delta =3D ((UInt32)((kEndPosModelIndex / 2 - 1) - kNumAlignBi=
ts) << kNumBitPriceShiftBits);=0D
+      for (slot =3D kEndPosModelIndex / 2; slot < distTableSize2; slot++)=
=0D
       {=0D
-        distancesPrices[0] =3D posSlotPrices[0];=0D
-        distancesPrices[1] =3D posSlotPrices[1];=0D
-        distancesPrices[2] =3D posSlotPrices[2];=0D
-        distancesPrices[3] =3D posSlotPrices[3];=0D
+        posSlotPrices[(size_t)slot * 2    ] +=3D delta;=0D
+        posSlotPrices[(size_t)slot * 2 + 1] +=3D delta;=0D
+        delta +=3D ((UInt32)1 << kNumBitPriceShiftBits);=0D
       }=0D
+    }=0D
+=0D
+    {=0D
+      UInt32 *dp =3D p->distancesPrices[lps];=0D
+=0D
+      dp[0] =3D posSlotPrices[0];=0D
+      dp[1] =3D posSlotPrices[1];=0D
+      dp[2] =3D posSlotPrices[2];=0D
+      dp[3] =3D posSlotPrices[3];=0D
+=0D
       for (i =3D 4; i < kNumFullDistances; i +=3D 2)=0D
       {=0D
         UInt32 slotPrice =3D posSlotPrices[GetPosSlot1(i)];=0D
-        distancesPrices[i    ] =3D slotPrice + tempPrices[i];=0D
-        distancesPrices[i + 1] =3D slotPrice + tempPrices[i + 1];=0D
+        dp[i    ] =3D slotPrice + tempPrices[i];=0D
+        dp[i + 1] =3D slotPrice + tempPrices[i + 1];=0D
       }=0D
     }=0D
   }=0D
+  // }=0D
 }=0D
 =0D
 =0D
@@ -2037,7 +2202,7 @@ void LzmaEnc_Construct(CLzmaEnc *p)
 {=0D
   RangeEnc_Construct(&p->rc);=0D
   MatchFinder_Construct(&p->matchFinderBase);=0D
-  =0D
+=0D
   #ifndef _7ZIP_ST=0D
   MatchFinderMt_Construct(&p->matchFinderMt);=0D
   p->matchFinderMt.MatchFinder =3D &p->matchFinderBase;=0D
@@ -2081,7 +2246,7 @@ void LzmaEnc_Destruct(CLzmaEnc *p, ISzAllocPtr alloc,=
 ISzAllocPtr allocBig)
   #ifndef _7ZIP_ST=0D
   MatchFinderMt_Destruct(&p->matchFinderMt, allocBig);=0D
   #endif=0D
-  =0D
+=0D
   MatchFinder_Free(&p->matchFinderBase, allocBig);=0D
   LzmaEnc_FreeLits(p, alloc);=0D
   RangeEnc_Free(&p->rc, alloc);=0D
@@ -2126,14 +2291,14 @@ static SRes LzmaEnc_CodeOneBlock(CLzmaEnc *p, UInt3=
2 maxPackSize, UInt32 maxUnpa
   }=0D
 =0D
   if (p->matchFinder.GetNumAvailableBytes(p->matchFinderObj) !=3D 0)=0D
-  =0D
+=0D
   for (;;)=0D
   {=0D
     UInt32 dist;=0D
     unsigned len, posState;=0D
     UInt32 range, ttt, newBound;=0D
     CLzmaProb *probs;=0D
-  =0D
+=0D
     if (p->fastMode)=0D
       len =3D GetOptimumFast(p);=0D
     else=0D
@@ -2153,9 +2318,9 @@ static SRes LzmaEnc_CodeOneBlock(CLzmaEnc *p, UInt32 =
maxPackSize, UInt32 maxUnpa
     posState =3D (unsigned)nowPos32 & p->pbMask;=0D
     range =3D p->rc.range;=0D
     probs =3D &p->isMatch[p->state][posState];=0D
-    =0D
+=0D
     RC_BIT_PRE(&p->rc, probs)=0D
-    =0D
+=0D
     dist =3D p->backRes;=0D
 =0D
     #ifdef SHOW_STAT2=0D
@@ -2185,7 +2350,7 @@ static SRes LzmaEnc_CodeOneBlock(CLzmaEnc *p, UInt32 =
maxPackSize, UInt32 maxUnpa
       RC_BIT_1(&p->rc, probs);=0D
       probs =3D &p->isRep[p->state];=0D
       RC_BIT_PRE(&p->rc, probs)=0D
-      =0D
+=0D
       if (dist < LZMA_NUM_REPS)=0D
       {=0D
         RC_BIT_1(&p->rc, probs);=0D
@@ -2245,10 +2410,7 @@ static SRes LzmaEnc_CodeOneBlock(CLzmaEnc *p, UInt32=
 maxPackSize, UInt32 maxUnpa
         if (len !=3D 1)=0D
         {=0D
           LenEnc_Encode(&p->repLenProbs, &p->rc, len - LZMA_MATCH_LEN_MIN,=
 posState);=0D
-          if (!p->fastMode)=0D
-            if (--p->repLenEnc.counters[posState] =3D=3D 0)=0D
-              LenPriceEnc_UpdateTable(&p->repLenEnc, posState, &p->repLenP=
robs, p->ProbPrices);=0D
-=0D
+          --p->repLenEncCounter;=0D
           p->state =3D kRepNextStates[p->state];=0D
         }=0D
       }=0D
@@ -2260,34 +2422,32 @@ static SRes LzmaEnc_CodeOneBlock(CLzmaEnc *p, UInt3=
2 maxPackSize, UInt32 maxUnpa
         p->state =3D kMatchNextStates[p->state];=0D
 =0D
         LenEnc_Encode(&p->lenProbs, &p->rc, len - LZMA_MATCH_LEN_MIN, posS=
tate);=0D
-        if (!p->fastMode)=0D
-          if (--p->lenEnc.counters[posState] =3D=3D 0)=0D
-            LenPriceEnc_UpdateTable(&p->lenEnc, posState, &p->lenProbs, p-=
>ProbPrices);=0D
+        // --p->lenEnc.counter;=0D
 =0D
         dist -=3D LZMA_NUM_REPS;=0D
         p->reps[3] =3D p->reps[2];=0D
         p->reps[2] =3D p->reps[1];=0D
         p->reps[1] =3D p->reps[0];=0D
         p->reps[0] =3D dist + 1;=0D
-        =0D
+=0D
         p->matchPriceCount++;=0D
         GetPosSlot(dist, posSlot);=0D
         // RcTree_Encode_PosSlot(&p->rc, p->posSlotEncoder[GetLenToPosStat=
e(len)], posSlot);=0D
         {=0D
-          UInt32 symbol =3D posSlot + (1 << kNumPosSlotBits);=0D
+          UInt32 sym =3D (UInt32)posSlot + (1 << kNumPosSlotBits);=0D
           range =3D p->rc.range;=0D
           probs =3D p->posSlotEncoder[GetLenToPosState(len)];=0D
           do=0D
           {=0D
-            CLzmaProb *prob =3D probs + (symbol >> kNumPosSlotBits);=0D
-            UInt32 bit =3D (symbol >> (kNumPosSlotBits - 1)) & 1;=0D
-            symbol <<=3D 1;=0D
+            CLzmaProb *prob =3D probs + (sym >> kNumPosSlotBits);=0D
+            UInt32 bit =3D (sym >> (kNumPosSlotBits - 1)) & 1;=0D
+            sym <<=3D 1;=0D
             RC_BIT(&p->rc, prob, bit);=0D
           }=0D
-          while (symbol < (1 << kNumPosSlotBits * 2));=0D
+          while (sym < (1 << kNumPosSlotBits * 2));=0D
           p->rc.range =3D range;=0D
         }=0D
-        =0D
+=0D
         if (dist >=3D kStartPosModelIndex)=0D
         {=0D
           unsigned footerBits =3D ((posSlot >> 1) - 1);=0D
@@ -2295,7 +2455,7 @@ static SRes LzmaEnc_CodeOneBlock(CLzmaEnc *p, UInt32 =
maxPackSize, UInt32 maxUnpa
           if (dist < kNumFullDistances)=0D
           {=0D
             unsigned base =3D ((2 | (posSlot & 1)) << footerBits);=0D
-            RcTree_ReverseEncode(&p->rc, p->posEncoders + base, footerBits=
, dist - base);=0D
+            RcTree_ReverseEncode(&p->rc, p->posEncoders + base, footerBits=
, (unsigned)(dist /* - base */));=0D
           }=0D
           else=0D
           {=0D
@@ -2331,32 +2491,49 @@ static SRes LzmaEnc_CodeOneBlock(CLzmaEnc *p, UInt3=
2 maxPackSize, UInt32 maxUnpa
               bit =3D dist & 1; dist >>=3D 1; RC_BIT(&p->rc, p->posAlignEn=
coder + m, bit); m =3D (m << 1) + bit;=0D
               bit =3D dist & 1;             RC_BIT(&p->rc, p->posAlignEnco=
der + m, bit);=0D
               p->rc.range =3D range;=0D
-              p->alignPriceCount++;=0D
+              // p->alignPriceCount++;=0D
             }=0D
           }=0D
         }=0D
       }=0D
     }=0D
 =0D
-    nowPos32 +=3D len;=0D
+    nowPos32 +=3D (UInt32)len;=0D
     p->additionalOffset -=3D len;=0D
-    =0D
+=0D
     if (p->additionalOffset =3D=3D 0)=0D
     {=0D
       UInt32 processed;=0D
 =0D
       if (!p->fastMode)=0D
       {=0D
-        if (p->matchPriceCount >=3D (1 << 7))=0D
+        /*=0D
+        if (p->alignPriceCount >=3D 16) // kAlignTableSize=0D
+          FillAlignPrices(p);=0D
+        if (p->matchPriceCount >=3D 128)=0D
           FillDistancesPrices(p);=0D
-        if (p->alignPriceCount >=3D kAlignTableSize)=0D
+        if (p->lenEnc.counter <=3D 0)=0D
+          LenPriceEnc_UpdateTables(&p->lenEnc, 1 << p->pb, &p->lenProbs, p=
->ProbPrices);=0D
+        */=0D
+        if (p->matchPriceCount >=3D 64)=0D
+        {=0D
           FillAlignPrices(p);=0D
+          // { int y; for (y =3D 0; y < 100; y++) {=0D
+          FillDistancesPrices(p);=0D
+          // }}=0D
+          LenPriceEnc_UpdateTables(&p->lenEnc, 1 << p->pb, &p->lenProbs, p=
->ProbPrices);=0D
+        }=0D
+        if (p->repLenEncCounter <=3D 0)=0D
+        {=0D
+          p->repLenEncCounter =3D REP_LEN_COUNT;=0D
+          LenPriceEnc_UpdateTables(&p->repLenEnc, 1 << p->pb, &p->repLenPr=
obs, p->ProbPrices);=0D
+        }=0D
       }=0D
-    =0D
+=0D
       if (p->matchFinder.GetNumAvailableBytes(p->matchFinderObj) =3D=3D 0)=
=0D
         break;=0D
       processed =3D nowPos32 - startPos32;=0D
-      =0D
+=0D
       if (maxPackSize)=0D
       {=0D
         if (processed + kNumOpts + 300 >=3D maxUnpackSize=0D
@@ -2430,7 +2607,7 @@ static SRes LzmaEnc_Alloc(CLzmaEnc *p, UInt32 keepWin=
dowSize, ISzAllocPtr alloc,
     p->matchFinderObj =3D &p->matchFinderBase;=0D
     MatchFinder_CreateVTable(&p->matchFinderBase, &p->matchFinder);=0D
   }=0D
-  =0D
+=0D
   return SZ_OK;=0D
 }=0D
 =0D
@@ -2490,12 +2667,19 @@ void LzmaEnc_Init(CLzmaEnc *p)
 =0D
   p->optEnd =3D 0;=0D
   p->optCur =3D 0;=0D
+=0D
+  {=0D
+    for (i =3D 0; i < kNumOpts; i++)=0D
+      p->opt[i].price =3D kInfinityPrice;=0D
+  }=0D
+=0D
   p->additionalOffset =3D 0;=0D
 =0D
   p->pbMask =3D (1 << p->pb) - 1;=0D
   p->lpMask =3D ((UInt32)0x100 << p->lp) - ((unsigned)0x100 >> p->lc);=0D
 }=0D
 =0D
+=0D
 void LzmaEnc_InitPrices(CLzmaEnc *p)=0D
 {=0D
   if (!p->fastMode)=0D
@@ -2507,6 +2691,9 @@ void LzmaEnc_InitPrices(CLzmaEnc *p)
   p->lenEnc.tableSize =3D=0D
   p->repLenEnc.tableSize =3D=0D
       p->numFastBytes + 1 - LZMA_MATCH_LEN_MIN;=0D
+=0D
+  p->repLenEncCounter =3D REP_LEN_COUNT;=0D
+=0D
   LenPriceEnc_UpdateTables(&p->lenEnc, 1 << p->pb, &p->lenProbs, p->ProbPr=
ices);=0D
   LenPriceEnc_UpdateTables(&p->repLenEnc, 1 << p->pb, &p->repLenProbs, p->=
ProbPrices);=0D
 }=0D
@@ -2583,7 +2770,7 @@ typedef struct
   ISeqOutStream vt;=0D
   Byte *data;=0D
   SizeT rem;=0D
-  Bool overflow;=0D
+  BoolInt overflow;=0D
 } CLzmaEnc_SeqOutStreamBuf;=0D
 =0D
 static size_t SeqOutStreamBuf_Write(const ISeqOutStream *pp, const void *d=
ata, size_t size)=0D
@@ -2615,7 +2802,7 @@ const Byte *LzmaEnc_GetCurBuf(CLzmaEncHandle pp)
 }=0D
 =0D
 =0D
-SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, Bool reInit,=0D
+SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, BoolInt reInit,=0D
     Byte *dest, size_t *destLen, UInt32 desiredPackSize, UInt32 *unpackSiz=
e)=0D
 {=0D
   CLzmaEnc *p =3D (CLzmaEnc *)pp;=0D
@@ -2644,7 +2831,7 @@ SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, Bool =
reInit,
     return SZ_ERROR_OUTPUT_EOF;=0D
 =0D
   res =3D LzmaEnc_CodeOneBlock(p, desiredPackSize, *unpackSize);=0D
-  =0D
+=0D
   *unpackSize =3D (UInt32)(p->nowPos64 - nowPos64);=0D
   *destLen -=3D outStream.rem;=0D
   if (outStream.overflow)=0D
@@ -2679,7 +2866,7 @@ static SRes LzmaEnc_Encode2(CLzmaEnc *p, ICompressPro=
gress *progress)
       }=0D
     }=0D
   }=0D
-  =0D
+=0D
   LzmaEnc_Finish(p);=0D
 =0D
   /*=0D
@@ -2751,7 +2938,7 @@ SRes LzmaEnc_MemEncode(CLzmaEncHandle pp, Byte *dest,=
 SizeT *destLen, const Byte
   p->rc.outStream =3D &outStream.vt;=0D
 =0D
   res =3D LzmaEnc_MemPrepare(pp, src, srcLen, 0, alloc, allocBig);=0D
-  =0D
+=0D
   if (res =3D=3D SZ_OK)=0D
   {=0D
     res =3D LzmaEnc_Encode2(p, progress);=0D
diff --git a/BaseTools/Source/C/LzmaCompress/Sdk/DOC/lzma-history.txt b/Bas=
eTools/Source/C/LzmaCompress/Sdk/DOC/lzma-history.txt
index d7426d38a4..0f9560c7a6 100644
--- a/BaseTools/Source/C/LzmaCompress/Sdk/DOC/lzma-history.txt
+++ b/BaseTools/Source/C/LzmaCompress/Sdk/DOC/lzma-history.txt
@@ -1,13 +1,35 @@
 HISTORY of the LZMA SDK=0D
 -----------------------=0D
 =0D
+19.00          2019-02-21=0D
+-------------------------=0D
+- Encryption strength for 7z archives was increased:=0D
+  the size of random initialization vector was increased from 64-bit to 12=
8-bit,=0D
+  and the pseudo-random number generator was improved.=0D
+- The bug in 7zIn.c code was fixed.=0D
+=0D
+=0D
+18.06          2018-12-30=0D
+-------------------------=0D
+- The speed for LZMA/LZMA2 compressing was increased by 3-10%,=0D
+  and there are minor changes in compression ratio.=0D
+- Some bugs were fixed.=0D
+- The bug in 7-Zip 18.02-18.05 was fixed:=0D
+  There was memory leak in multithreading xz decoder - XzDecMt_Decode(),=0D
+  if xz stream contains only one block.=0D
+- The changes for MSVS compiler makefiles:=0D
+   - the makefiles now use "PLATFORM" macroname with values (x64, x86, arm=
64)=0D
+     instead of "CPU" macroname with values (AMD64, ARM64).=0D
+   - the makefiles by default now use static version of the run-time libra=
ry.=0D
+=0D
+=0D
 18.05          2018-04-30=0D
 -------------------------=0D
-- The speed for LZMA/LZMA2 compressing was increased =0D
-    by 8% for fastest/fast compression levels and =0D
+- The speed for LZMA/LZMA2 compressing was increased=0D
+    by 8% for fastest/fast compression levels and=0D
     by 3% for normal/maximum compression levels.=0D
 - Previous versions of 7-Zip could work incorrectly in "Large memory pages=
" mode in=0D
-  Windows 10 because of some BUG with "Large Pages" in Windows 10. =0D
+  Windows 10 because of some BUG with "Large Pages" in Windows 10.=0D
   Now 7-Zip doesn't use "Large Pages" on Windows 10 up to revision 1709 (1=
6299).=0D
 - The BUG was fixed in Lzma2Enc.c=0D
     Lzma2Enc_Encode2() function worked incorretly,=0D
@@ -16,7 +38,7 @@ HISTORY of the LZMA SDK
 =0D
 18.03 beta     2018-03-04=0D
 -------------------------=0D
-- Asm\x86\LzmaDecOpt.asm: new optimized LZMA decoder written in asm =0D
+- Asm\x86\LzmaDecOpt.asm: new optimized LZMA decoder written in asm=0D
   for x64 with about 30% higher speed than main version of LZMA decoder wr=
itten in C.=0D
 - The speed for single-thread LZMA/LZMA2 decoder written in C was increase=
d by 3%.=0D
 - 7-Zip now can use multi-threading for 7z/LZMA2 decoding,=0D
@@ -35,7 +57,7 @@ HISTORY of the LZMA SDK
 18.00 beta     2019-01-10=0D
 -------------------------=0D
 - The BUG in xz encoder was fixed:=0D
-  There was memory leak of 16 KB for each file compressed with =0D
+  There was memory leak of 16 KB for each file compressed with=0D
   xz compression method, if additional filter was used.=0D
 =0D
 =0D
@@ -44,7 +66,7 @@ HISTORY of the LZMA SDK
 - Minor speed optimization for LZMA2 (xz and 7z) multi-threading compressi=
on.=0D
   7-Zip now uses additional memory buffers for multi-block LZMA2 compressi=
on.=0D
   CPU utilization was slightly improved.=0D
-- 7-zip now creates multi-block xz archives by default. Block size can be =
=0D
+- 7-zip now creates multi-block xz archives by default. Block size can be=
=0D
   specified with -ms[Size]{m|g} switch.=0D
 - xz decoder now can unpack random block from multi-block xz archives.=0D
 - 7-Zip command line: @listfile now doesn't work after -- switch.=0D
@@ -55,7 +77,7 @@ HISTORY of the LZMA SDK
 =0D
 17.00 beta     2017-04-29=0D
 -------------------------=0D
-- NewHandler.h / NewHandler.cpp: =0D
+- NewHandler.h / NewHandler.cpp:=0D
     now it redefines operator new() only for old MSVC compilers (_MSC_VER =
< 1900).=0D
 - C/7zTypes.h : the names of variables in interface structures were change=
d (vt).=0D
 - Some bugs were fixed. 7-Zip could crash in some cases.=0D
@@ -76,51 +98,51 @@ HISTORY of the LZMA SDK
 16.02          2016-05-21=0D
 -------------------------=0D
 - The BUG in 16.00 - 16.01 was fixed:=0D
-  Split Handler (SplitHandler.cpp) returned incorrect =0D
+  Split Handler (SplitHandler.cpp) returned incorrect=0D
   total size value (kpidSize) for split archives.=0D
 =0D
 =0D
 16.01          2016-05-19=0D
--------------------------	=0D
+-------------------------=0D
 - Some internal changes to reduce the number of compiler warnings.=0D
 =0D
 =0D
 16.00          2016-05-10=0D
--------------------------	=0D
+-------------------------=0D
 - Some bugs were fixed.=0D
 =0D
 =0D
 15.12          2015-11-19=0D
--------------------------	=0D
+-------------------------=0D
 - The BUG in C version of 7z decoder was fixed:=0D
   7zDec.c : SzDecodeLzma2()=0D
   7z decoder could mistakenly report about decoding error for some 7z arch=
ives=0D
   that use LZMA2 compression method.=0D
-  The probability to get that mistaken decoding error report was about =0D
-  one error per 16384 solid blocks for solid blocks larger than 16 KB (com=
pressed size). =0D
+  The probability to get that mistaken decoding error report was about=0D
+  one error per 16384 solid blocks for solid blocks larger than 16 KB (com=
pressed size).=0D
 - The BUG (in 9.26-15.11) in C version of 7z decoder was fixed:=0D
   7zArcIn.c : SzReadHeader2()=0D
-  7z decoder worked incorrectly for 7z archives that contain =0D
-  empty solid blocks, that can be placed to 7z archive, if some file is =0D
+  7z decoder worked incorrectly for 7z archives that contain=0D
+  empty solid blocks, that can be placed to 7z archive, if some file is=0D
   unavailable for reading during archive creation.=0D
 =0D
 =0D
 15.09 beta     2015-10-16=0D
--------------------------	=0D
+-------------------------=0D
 - The BUG in LZMA / LZMA2 encoding code was fixed.=0D
   The BUG in LzFind.c::MatchFinder_ReadBlock() function.=0D
   If input data size is larger than (4 GiB - dictionary_size),=0D
   the following code worked incorrectly:=0D
-  -  LZMA : LzmaEnc_MemEncode(), LzmaEncode() : LZMA encoding functions =0D
-     for compressing from memory to memory. =0D
+  -  LZMA : LzmaEnc_MemEncode(), LzmaEncode() : LZMA encoding functions=0D
+     for compressing from memory to memory.=0D
      That BUG is not related to LZMA encoder version that works via stream=
s.=0D
-  -  LZMA2 : multi-threaded version of LZMA2 encoder worked incorrectly, i=
f =0D
-     default value of chunk size (CLzma2EncProps::blockSize) is changed =0D
+  -  LZMA2 : multi-threaded version of LZMA2 encoder worked incorrectly, i=
f=0D
+     default value of chunk size (CLzma2EncProps::blockSize) is changed=0D
      to value larger than (4 GiB - dictionary_size).=0D
 =0D
 =0D
 9.38 beta      2015-01-03=0D
--------------------------	=0D
+-------------------------=0D
 - The BUG in 9.31-9.37 was fixed:=0D
   IArchiveGetRawProps interface was disabled for 7z archives.=0D
 - The BUG in 9.26-9.36 was fixed:=0D
@@ -128,10 +150,10 @@ HISTORY of the LZMA SDK
 =0D
 =0D
 9.36 beta      2014-12-26=0D
--------------------------	=0D
+-------------------------=0D
 - The BUG in command line version was fixed:=0D
   7-Zip created temporary archive in current folder during update archive=
=0D
-  operation, if -w{Path} switch was not specified. =0D
+  operation, if -w{Path} switch was not specified.=0D
   The fixed 7-Zip creates temporary archive in folder that contains update=
d archive.=0D
 - The BUG in 9.33-9.35 was fixed:=0D
   7-Zip silently ignored file reading errors during 7z or gz archive creat=
ion,=0D
@@ -140,14 +162,14 @@ HISTORY of the LZMA SDK
 =0D
 =0D
 9.35 beta      2014-12-07=0D
--------------------------	=0D
+-------------------------=0D
 - 7zr.exe now support AES encryption.=0D
 - SFX modules were added to LZMA SDK=0D
 - Some bugs were fixed.=0D
 =0D
 =0D
 9.21 beta      2011-04-11=0D
--------------------------	=0D
+-------------------------=0D
 - New class FString for file names at file systems.=0D
 - Speed optimization in CRC code for big-endian CPUs.=0D
 - The BUG in Lzma2Dec.c was fixed:=0D
@@ -155,7 +177,7 @@ HISTORY of the LZMA SDK
 =0D
 =0D
 9.18 beta      2010-11-02=0D
--------------------------	=0D
+-------------------------=0D
 - New small SFX module for installers (SfxSetup).=0D
 =0D
 =0D
@@ -168,7 +190,7 @@ HISTORY of the LZMA SDK
 9.11 beta      2010-03-15=0D
 -------------------------=0D
 - PPMd compression method support=0D
-   =0D
+=0D
 =0D
 9.09           2009-12-12=0D
 -------------------------=0D
@@ -202,7 +224,7 @@ HISTORY of the LZMA SDK
 4.61 beta      2008-11-23=0D
 -------------------------=0D
 - The bug in ANSI-C LZMA Decoder was fixed:=0D
-    If encoded stream was corrupted, decoder could access memory =0D
+    If encoded stream was corrupted, decoder could access memory=0D
     outside of allocated range.=0D
 - Some changes in ANSI-C 7z Decoder interfaces.=0D
 - LZMA SDK is placed in the public domain.=0D
@@ -216,7 +238,7 @@ HISTORY of the LZMA SDK
 4.59 beta      2008-08-13=0D
 -------------------------=0D
 - The bug was fixed:=0D
-    LZMA Encoder in fast compression mode could access memory outside of =
=0D
+    LZMA Encoder in fast compression mode could access memory outside of=0D
     allocated range in some rare cases.=0D
 =0D
 =0D
@@ -229,7 +251,7 @@ HISTORY of the LZMA SDK
 =0D
 4.57           2007-12-12=0D
 -------------------------=0D
-- Speed optimizations in ?++ LZMA Decoder. =0D
+- Speed optimizations in ?++ LZMA Decoder.=0D
 - Small changes for more compatibility with some C/C++ compilers.=0D
 =0D
 =0D
@@ -239,36 +261,36 @@ HISTORY of the LZMA SDK
      - now it supports BCJ and BCJ2 filters=0D
      - now it supports files larger than 4 GB.=0D
      - now it supports "Last Write Time" field for files.=0D
-- C++ code for .7z archives compressing/decompressing from 7-zip =0D
+- C++ code for .7z archives compressing/decompressing from 7-zip=0D
   was included to LZMA SDK.=0D
-  =0D
+=0D
 =0D
 4.43           2006-06-04=0D
 -------------------------=0D
 - Small changes for more compatibility with some C/C++ compilers.=0D
-  =0D
+=0D
 =0D
 4.42           2006-05-15=0D
 -------------------------=0D
 - Small changes in .h files in ANSI-C version.=0D
-  =0D
+=0D
 =0D
 4.39 beta      2006-04-14=0D
 -------------------------=0D
 - The bug in versions 4.33b:4.38b was fixed:=0D
-  C++ version of LZMA encoder could not correctly compress =0D
+  C++ version of LZMA encoder could not correctly compress=0D
   files larger than 2 GB with HC4 match finder (-mfhc4).=0D
-  =0D
+=0D
 =0D
 4.37 beta      2005-04-06=0D
 -------------------------=0D
-- Fixes in C++ code: code could no be compiled if _NO_EXCEPTIONS was defin=
ed. =0D
+- Fixes in C++ code: code could no be compiled if _NO_EXCEPTIONS was defin=
ed.=0D
 =0D
 =0D
 4.35 beta      2005-03-02=0D
 -------------------------=0D
 - The bug was fixed in C++ version of LZMA Decoder:=0D
-    If encoded stream was corrupted, decoder could access memory =0D
+    If encoded stream was corrupted, decoder could access memory=0D
     outside of allocated range.=0D
 =0D
 =0D
@@ -339,7 +361,7 @@ HISTORY of the LZMA SDK
 =0D
 4.17           2005-04-18=0D
 -------------------------=0D
-- New example for RAM->RAM compressing/decompressing: =0D
+- New example for RAM->RAM compressing/decompressing:=0D
   LZMA + BCJ (filter for x86 code):=0D
     - LzmaRam.h=0D
     - LzmaRam.cpp=0D
@@ -350,11 +372,11 @@ HISTORY of the LZMA SDK
 =0D
 4.16           2005-03-29=0D
 -------------------------=0D
-- The bug was fixed in LzmaDecode.c (ANSI-C LZMA Decoder): =0D
+- The bug was fixed in LzmaDecode.c (ANSI-C LZMA Decoder):=0D
    If _LZMA_OUT_READ was defined, and if encoded stream was corrupted,=0D
    decoder could access memory outside of allocated range.=0D
 - Speed optimization of ANSI-C LZMA Decoder (now it's about 20% faster).=0D
-  Old version of LZMA Decoder now is in file LzmaDecodeSize.c. =0D
+  Old version of LZMA Decoder now is in file LzmaDecodeSize.c.=0D
   LzmaDecodeSize.c can provide slightly smaller code than LzmaDecode.c=0D
 - Small speed optimization in LZMA C++ code=0D
 - filter for SPARC's code was added=0D
@@ -369,7 +391,7 @@ HISTORY of the LZMA SDK
 =0D
 4.05           2004-08-25=0D
 -------------------------=0D
-- Source code of filters for x86, IA-64, ARM, ARM-Thumb =0D
+- Source code of filters for x86, IA-64, ARM, ARM-Thumb=0D
   and PowerPC code was included to SDK=0D
 - Some internal minor changes=0D
 =0D
@@ -381,8 +403,8 @@ HISTORY of the LZMA SDK
 =0D
 4.03           2004-06-18=0D
 -------------------------=0D
-- "Benchmark" command was added. It measures compressing =0D
-  and decompressing speed and shows rating values. =0D
+- "Benchmark" command was added. It measures compressing=0D
+  and decompressing speed and shows rating values.=0D
   Also it checks hardware errors.=0D
 =0D
 =0D
@@ -411,7 +433,7 @@ HISTORY of the LZMA SDK
 =0D
 HISTORY of the LZMA=0D
 -------------------=0D
-  2001-2008:  Improvements to LZMA compressing/decompressing code, =0D
+  2001-2008:  Improvements to LZMA compressing/decompressing code,=0D
               keeping compatibility with original LZMA format=0D
   1996-2001:  Development of LZMA compression format=0D
 =0D
@@ -419,6 +441,6 @@ HISTORY of the LZMA
 =0D
   2001-08-30: LZMA compression was added to 7-Zip=0D
   1999-01-02: First version of 7-Zip was released=0D
-  =0D
+=0D
 =0D
 End of document=0D
diff --git a/BaseTools/Source/C/LzmaCompress/Sdk/DOC/lzma-sdk.txt b/BaseToo=
ls/Source/C/LzmaCompress/Sdk/DOC/lzma-sdk.txt
index a3deb20943..e17cd4fe1a 100644
--- a/BaseTools/Source/C/LzmaCompress/Sdk/DOC/lzma-sdk.txt
+++ b/BaseTools/Source/C/LzmaCompress/Sdk/DOC/lzma-sdk.txt
@@ -1,4 +1,4 @@
-LZMA SDK 18.05=0D
+LZMA SDK 19.00=0D
 --------------=0D
 =0D
 LZMA SDK provides the documentation, samples, header files,=0D
--=20
2.29.2.windows.3