[IRC-Dev CVS] [CVS] Module ircd-ircdev: Change committed
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[IRC-Dev CVS] [CVS] Module ircd-ircdev: Change committed
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From: Toni G. <zo...@us...> - 2005-01-10 12:45:24
|
CVSROOT : /cvsroot/irc-dev
Module : ircd-ircdev
Commit time: 2005-01-10 12:45:07 UTC
Removed files:
libs/zlib/contrib/README.contrib
libs/zlib/contrib/visual-basic.txt
libs/zlib/contrib/asm386/gvmat32.asm
libs/zlib/contrib/asm386/gvmat32c.c
libs/zlib/contrib/asm386/mkgvmt32.bat
libs/zlib/contrib/asm386/zlibvc.def
libs/zlib/contrib/asm386/zlibvc.dsp
libs/zlib/contrib/asm386/zlibvc.dsw
libs/zlib/contrib/asm586/README.586
libs/zlib/contrib/asm586/match.S
libs/zlib/contrib/asm686/README.686
libs/zlib/contrib/asm686/match.S
libs/zlib/contrib/delphi2/d_zlib.bpr
libs/zlib/contrib/delphi2/d_zlib.cpp
libs/zlib/contrib/delphi2/readme.txt
libs/zlib/contrib/delphi2/zlib.bpg
libs/zlib/contrib/delphi2/zlib.bpr
libs/zlib/contrib/delphi2/zlib.cpp
libs/zlib/contrib/delphi2/zlib.pas
libs/zlib/contrib/delphi2/zlib32.bpr
libs/zlib/contrib/delphi2/zlib32.cpp
libs/zlib/contrib/delphi/zlib.mak
libs/zlib/contrib/delphi/zlibdef.pas
libs/zlib/contrib/iostream2/zstream.h
libs/zlib/contrib/iostream2/zstream_test.cpp
libs/zlib/contrib/iostream/test.cpp
libs/zlib/contrib/iostream/zfstream.cpp
libs/zlib/contrib/iostream/zfstream.h
libs/zlib/contrib/minizip/ChangeLogUnzip
libs/zlib/contrib/minizip/Makefile
libs/zlib/contrib/minizip/miniunz.c
libs/zlib/contrib/minizip/minizip.c
libs/zlib/contrib/minizip/readme.txt
libs/zlib/contrib/minizip/unzip.c
libs/zlib/contrib/minizip/unzip.def
libs/zlib/contrib/minizip/unzip.h libs/zlib/contrib/minizip/zip.c
libs/zlib/contrib/minizip/zip.def libs/zlib/contrib/minizip/zip.h
libs/zlib/contrib/minizip/zlibvc.def
libs/zlib/contrib/minizip/zlibvc.dsp
libs/zlib/contrib/minizip/zlibvc.dsw
libs/zlib/contrib/untgz/Makefile
libs/zlib/contrib/untgz/makefile.w32
libs/zlib/contrib/untgz/untgz.c libs/zlib/nt/Makefile.emx
libs/zlib/nt/Makefile.gcc libs/zlib/nt/Makefile.nt
libs/zlib/nt/zlib.dnt libs/zlib/os2/Makefile.os2
libs/zlib/os2/zlib.def
Log message:
Borrando libreria zlib antigua
---------------------- diff included ----------------------
Index: ircd-ircdev/libs/zlib/contrib/README.contrib
diff -u ircd-ircdev/libs/zlib/contrib/README.contrib:1.1 ircd-ircdev/libs/zlib/contrib/README.contrib:removed
--- ircd-ircdev/libs/zlib/contrib/README.contrib:1.1 Fri Nov 14 19:11:55 2003
+++ ircd-ircdev/libs/zlib/contrib/README.contrib Mon Jan 10 04:45:07 2005
@@ -1,34 +0,0 @@
-All files under this contrib directory are UNSUPPORTED. There were
-provided by users of zlib and were not tested by the authors of zlib.
-Use at your own risk. Please contact the authors of the contributions
-for help about these, not the zlib authors. Thanks.
-
-
-asm386/ by Gilles Vollant <in...@wi...>
- 386 asm code replacing longest_match(), for Visual C++ 4.2 and ML 6.11c
-
-asm586/ and asm686/ by Brian Raiter <bre...@mu...>
- asm code for Pentium and Pentium Pro
- See http://www.muppetlabs.com/~breadbox/software/assembly.html
-
-delphi/ by Bob Dellaca <bo...@xt...>
- Support for Delphi
-
-delphi2/ by Davide Moretti <da...@ri...>
- Another support for C++Builder and Delphi
-
-minizip/ by Gilles Vollant <in...@wi...>
- Mini zip and unzip based on zlib
- See http://www.winimage.com/zLibDll/unzip.html
-
-iostream/ by Kevin Ruland <ke...@ro...>
- A C++ I/O streams interface to the zlib gz* functions
-
-iostream2/ by Tyge Løvset <Tyg...@cm...>
- Another C++ I/O streams interface
-
-untgz/ by "Pedro A. Aranda Guti\irrez" <pa...@ti...>
- A very simple tar.gz file extractor using zlib
-
-visual-basic.txt by Carlos Rios <c_...@so...>
- How to use compress(), uncompress() and the gz* functions from VB.
Index: ircd-ircdev/libs/zlib/contrib/asm386/gvmat32.asm
diff -u ircd-ircdev/libs/zlib/contrib/asm386/gvmat32.asm:1.1 ircd-ircdev/libs/zlib/contrib/asm386/gvmat32.asm:removed
--- ircd-ircdev/libs/zlib/contrib/asm386/gvmat32.asm:1.1 Fri Nov 14 19:11:55 2003
+++ ircd-ircdev/libs/zlib/contrib/asm386/gvmat32.asm Mon Jan 10 04:45:07 2005
@@ -1,559 +0,0 @@
-;
-; gvmat32.asm -- Asm portion of the optimized longest_match for 32 bits x86
-; Copyright (C) 1995-1996 Jean-loup Gailly and Gilles Vollant.
-; File written by Gilles Vollant, by modifiying the longest_match
-; from Jean-loup Gailly in deflate.c
-; It need wmask == 0x7fff
-; (assembly code is faster with a fixed wmask)
-;
-; For Visual C++ 4.2 and ML 6.11c (version in directory \MASM611C of Win95 DDK)
-; I compile with : "ml /coff /Zi /c gvmat32.asm"
-;
-
-;uInt longest_match_7fff(s, cur_match)
-; deflate_state *s;
-; IPos cur_match; /* current match */
-
- NbStack equ 76
- cur_match equ dword ptr[esp+NbStack-0]
- str_s equ dword ptr[esp+NbStack-4]
-; 5 dword on top (ret,ebp,esi,edi,ebx)
- adrret equ dword ptr[esp+NbStack-8]
- pushebp equ dword ptr[esp+NbStack-12]
- pushedi equ dword ptr[esp+NbStack-16]
- pushesi equ dword ptr[esp+NbStack-20]
- pushebx equ dword ptr[esp+NbStack-24]
-
- chain_length equ dword ptr [esp+NbStack-28]
- limit equ dword ptr [esp+NbStack-32]
- best_len equ dword ptr [esp+NbStack-36]
- window equ dword ptr [esp+NbStack-40]
- prev equ dword ptr [esp+NbStack-44]
- scan_start equ word ptr [esp+NbStack-48]
- wmask equ dword ptr [esp+NbStack-52]
- match_start_ptr equ dword ptr [esp+NbStack-56]
- nice_match equ dword ptr [esp+NbStack-60]
- scan equ dword ptr [esp+NbStack-64]
-
- windowlen equ dword ptr [esp+NbStack-68]
- match_start equ dword ptr [esp+NbStack-72]
- strend equ dword ptr [esp+NbStack-76]
- NbStackAdd equ (NbStack-24)
-
- .386p
-
- name gvmatch
- .MODEL FLAT
-
-
-
-; all the +4 offsets are due to the addition of pending_buf_size (in zlib
-; in the deflate_state structure since the asm code was first written
-; (if you compile with zlib 1.0.4 or older, remove the +4).
-; Note : these value are good with a 8 bytes boundary pack structure
- dep_chain_length equ 70h+4
- dep_window equ 2ch+4
- dep_strstart equ 60h+4
- dep_prev_length equ 6ch+4
- dep_nice_match equ 84h+4
- dep_w_size equ 20h+4
- dep_prev equ 34h+4
- dep_w_mask equ 28h+4
- dep_good_match equ 80h+4
- dep_match_start equ 64h+4
- dep_lookahead equ 68h+4
-
-
-_TEXT segment
-
-IFDEF NOUNDERLINE
- public longest_match_7fff
-; public match_init
-ELSE
- public _longest_match_7fff
-; public _match_init
-ENDIF
-
- MAX_MATCH equ 258
- MIN_MATCH equ 3
- MIN_LOOKAHEAD equ (MAX_MATCH+MIN_MATCH+1)
-
-
-
-IFDEF NOUNDERLINE
-;match_init proc near
-; ret
-;match_init endp
-ELSE
-;_match_init proc near
-; ret
-;_match_init endp
-ENDIF
-
-
-IFDEF NOUNDERLINE
-longest_match_7fff proc near
-ELSE
-_longest_match_7fff proc near
-ENDIF
-
- mov edx,[esp+4]
-
-
-
- push ebp
- push edi
- push esi
- push ebx
-
- sub esp,NbStackAdd
-
-; initialize or check the variables used in match.asm.
- mov ebp,edx
-
-; chain_length = s->max_chain_length
-; if (prev_length>=good_match) chain_length >>= 2
- mov edx,[ebp+dep_chain_length]
- mov ebx,[ebp+dep_prev_length]
- cmp [ebp+dep_good_match],ebx
- ja noshr
- shr edx,2
-noshr:
-; we increment chain_length because in the asm, the --chain_lenght is in the beginning of the loop
- inc edx
- mov edi,[ebp+dep_nice_match]
- mov chain_length,edx
- mov eax,[ebp+dep_lookahead]
- cmp eax,edi
-; if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead;
- jae nolookaheadnicematch
- mov edi,eax
-nolookaheadnicematch:
-; best_len = s->prev_length
- mov best_len,ebx
-
-; window = s->window
- mov esi,[ebp+dep_window]
- mov ecx,[ebp+dep_strstart]
- mov window,esi
-
- mov nice_match,edi
-; scan = window + strstart
- add esi,ecx
- mov scan,esi
-; dx = *window
- mov dx,word ptr [esi]
-; bx = *(window+best_len-1)
- mov bx,word ptr [esi+ebx-1]
- add esi,MAX_MATCH-1
-; scan_start = *scan
- mov scan_start,dx
-; strend = scan + MAX_MATCH-1
- mov strend,esi
-; bx = scan_end = *(window+best_len-1)
-
-; IPos limit = s->strstart > (IPos)MAX_DIST(s) ?
-; s->strstart - (IPos)MAX_DIST(s) : NIL;
-
- mov esi,[ebp+dep_w_size]
- sub esi,MIN_LOOKAHEAD
-; here esi = MAX_DIST(s)
- sub ecx,esi
- ja nodist
- xor ecx,ecx
-nodist:
- mov limit,ecx
-
-; prev = s->prev
- mov edx,[ebp+dep_prev]
- mov prev,edx
-
-;
- mov edx,dword ptr [ebp+dep_match_start]
- mov bp,scan_start
- mov eax,cur_match
- mov match_start,edx
-
- mov edx,window
- mov edi,edx
- add edi,best_len
- mov esi,prev
- dec edi
-; windowlen = window + best_len -1
- mov windowlen,edi
-
- jmp beginloop2
- align 4
-
-; here, in the loop
-; eax = ax = cur_match
-; ecx = limit
-; bx = scan_end
-; bp = scan_start
-; edi = windowlen (window + best_len -1)
-; esi = prev
-
-
-;// here; chain_length <=16
-normalbeg0add16:
- add chain_length,16
- jz exitloop
-normalbeg0:
- cmp word ptr[edi+eax],bx
- je normalbeg2noroll
-rcontlabnoroll:
-; cur_match = prev[cur_match & wmask]
- and eax,7fffh
- mov ax,word ptr[esi+eax*2]
-; if cur_match > limit, go to exitloop
- cmp ecx,eax
- jnb exitloop
-; if --chain_length != 0, go to exitloop
- dec chain_length
- jnz normalbeg0
- jmp exitloop
-
-normalbeg2noroll:
-; if (scan_start==*(cur_match+window)) goto normalbeg2
- cmp bp,word ptr[edx+eax]
- jne rcontlabnoroll
- jmp normalbeg2
-
-contloop3:
- mov edi,windowlen
-
-; cur_match = prev[cur_match & wmask]
- and eax,7fffh
- mov ax,word ptr[esi+eax*2]
-; if cur_match > limit, go to exitloop
- cmp ecx,eax
-jnbexitloopshort1:
- jnb exitloop
-; if --chain_length != 0, go to exitloop
-
-
-; begin the main loop
-beginloop2:
- sub chain_length,16+1
-; if chain_length <=16, don't use the unrolled loop
- jna normalbeg0add16
-
-do16:
- cmp word ptr[edi+eax],bx
- je normalbeg2dc0
-
-maccn MACRO lab
- and eax,7fffh
- mov ax,word ptr[esi+eax*2]
- cmp ecx,eax
- jnb exitloop
- cmp word ptr[edi+eax],bx
- je lab
- ENDM
-
-rcontloop0:
- maccn normalbeg2dc1
-
-rcontloop1:
- maccn normalbeg2dc2
-
-rcontloop2:
- maccn normalbeg2dc3
-
-rcontloop3:
- maccn normalbeg2dc4
-
-rcontloop4:
- maccn normalbeg2dc5
-
-rcontloop5:
- maccn normalbeg2dc6
-
-rcontloop6:
- maccn normalbeg2dc7
-
-rcontloop7:
- maccn normalbeg2dc8
-
-rcontloop8:
- maccn normalbeg2dc9
-
-rcontloop9:
- maccn normalbeg2dc10
-
-rcontloop10:
- maccn short normalbeg2dc11
-
-rcontloop11:
- maccn short normalbeg2dc12
-
-rcontloop12:
- maccn short normalbeg2dc13
-
-rcontloop13:
- maccn short normalbeg2dc14
-
-rcontloop14:
- maccn short normalbeg2dc15
-
-rcontloop15:
- and eax,7fffh
- mov ax,word ptr[esi+eax*2]
- cmp ecx,eax
- jnb exitloop
-
- sub chain_length,16
- ja do16
- jmp normalbeg0add16
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-normbeg MACRO rcontlab,valsub
-; if we are here, we know that *(match+best_len-1) == scan_end
- cmp bp,word ptr[edx+eax]
-; if (match != scan_start) goto rcontlab
- jne rcontlab
-; calculate the good chain_length, and we'll compare scan and match string
- add chain_length,16-valsub
- jmp iseq
- ENDM
-
-
-normalbeg2dc11:
- normbeg rcontloop11,11
-
-normalbeg2dc12:
- normbeg short rcontloop12,12
-
-normalbeg2dc13:
- normbeg short rcontloop13,13
-
-normalbeg2dc14:
- normbeg short rcontloop14,14
-
-normalbeg2dc15:
- normbeg short rcontloop15,15
-
-normalbeg2dc10:
- normbeg rcontloop10,10
-
-normalbeg2dc9:
- normbeg rcontloop9,9
-
-normalbeg2dc8:
- normbeg rcontloop8,8
-
-normalbeg2dc7:
- normbeg rcontloop7,7
-
-normalbeg2dc6:
- normbeg rcontloop6,6
-
-normalbeg2dc5:
- normbeg rcontloop5,5
-
-normalbeg2dc4:
- normbeg rcontloop4,4
-
-normalbeg2dc3:
- normbeg rcontloop3,3
-
-normalbeg2dc2:
- normbeg rcontloop2,2
-
-normalbeg2dc1:
- normbeg rcontloop1,1
-
-normalbeg2dc0:
- normbeg rcontloop0,0
-
-
-; we go in normalbeg2 because *(ushf*)(match+best_len-1) == scan_end
-
-normalbeg2:
- mov edi,window
-
- cmp bp,word ptr[edi+eax]
- jne contloop3 ; if *(ushf*)match != scan_start, continue
-
-iseq:
-; if we are here, we know that *(match+best_len-1) == scan_end
-; and (match == scan_start)
-
- mov edi,edx
- mov esi,scan ; esi = scan
- add edi,eax ; edi = window + cur_match = match
-
- mov edx,[esi+3] ; compare manually dword at match+3
- xor edx,[edi+3] ; and scan +3
-
- jz begincompare ; if equal, go to long compare
-
-; we will determine the unmatch byte and calculate len (in esi)
- or dl,dl
- je eq1rr
- mov esi,3
- jmp trfinval
-eq1rr:
- or dx,dx
- je eq1
-
- mov esi,4
- jmp trfinval
-eq1:
- and edx,0ffffffh
- jz eq11
- mov esi,5
- jmp trfinval
-eq11:
- mov esi,6
- jmp trfinval
-
-begincompare:
- ; here we now scan and match begin same
- add edi,6
- add esi,6
- mov ecx,(MAX_MATCH-(2+4))/4 ; scan for at most MAX_MATCH bytes
- repe cmpsd ; loop until mismatch
-
- je trfin ; go to trfin if not unmatch
-; we determine the unmatch byte
- sub esi,4
- mov edx,[edi-4]
- xor edx,[esi]
-
- or dl,dl
- jnz trfin
- inc esi
-
- or dx,dx
- jnz trfin
- inc esi
-
- and edx,0ffffffh
- jnz trfin
- inc esi
-
-trfin:
- sub esi,scan ; esi = len
-trfinval:
-; here we have finised compare, and esi contain len of equal string
- cmp esi,best_len ; if len > best_len, go newbestlen
- ja short newbestlen
-; now we restore edx, ecx and esi, for the big loop
- mov esi,prev
- mov ecx,limit
- mov edx,window
- jmp contloop3
-
-newbestlen:
- mov best_len,esi ; len become best_len
-
- mov match_start,eax ; save new position as match_start
- cmp esi,nice_match ; if best_len >= nice_match, exit
- jae exitloop
- mov ecx,scan
- mov edx,window ; restore edx=window
- add ecx,esi
- add esi,edx
-
- dec esi
- mov windowlen,esi ; windowlen = window + best_len-1
- mov bx,[ecx-1] ; bx = *(scan+best_len-1) = scan_end
-
-; now we restore ecx and esi, for the big loop :
- mov esi,prev
- mov ecx,limit
- jmp contloop3
-
-exitloop:
-; exit : s->match_start=match_start
- mov ebx,match_start
- mov ebp,str_s
- mov ecx,best_len
- mov dword ptr [ebp+dep_match_start],ebx
- mov eax,dword ptr [ebp+dep_lookahead]
- cmp ecx,eax
- ja minexlo
- mov eax,ecx
-minexlo:
-; return min(best_len,s->lookahead)
-
-; restore stack and register ebx,esi,edi,ebp
- add esp,NbStackAdd
-
- pop ebx
- pop esi
- pop edi
- pop ebp
- ret
-InfoAuthor:
-; please don't remove this string !
-; Your are free use gvmat32 in any fre or commercial apps if you don't remove the string in the binary!
- db 0dh,0ah,"GVMat32 optimised assembly code written 1996-98 by Gilles Vollant",0dh,0ah
-
-
-
-IFDEF NOUNDERLINE
-longest_match_7fff endp
-ELSE
-_longest_match_7fff endp
-ENDIF
-
-
-IFDEF NOUNDERLINE
-cpudetect32 proc near
-ELSE
-_cpudetect32 proc near
-ENDIF
-
-
- pushfd ; push original EFLAGS
- pop eax ; get original EFLAGS
- mov ecx, eax ; save original EFLAGS
- xor eax, 40000h ; flip AC bit in EFLAGS
- push eax ; save new EFLAGS value on stack
- popfd ; replace current EFLAGS value
- pushfd ; get new EFLAGS
- pop eax ; store new EFLAGS in EAX
- xor eax, ecx ; cant toggle AC bit, processor=80386
- jz end_cpu_is_386 ; jump if 80386 processor
- push ecx
- popfd ; restore AC bit in EFLAGS first
-
- pushfd
- pushfd
- pop ecx
-
- mov eax, ecx ; get original EFLAGS
- xor eax, 200000h ; flip ID bit in EFLAGS
- push eax ; save new EFLAGS value on stack
- popfd ; replace current EFLAGS value
- pushfd ; get new EFLAGS
- pop eax ; store new EFLAGS in EAX
- popfd ; restore original EFLAGS
- xor eax, ecx ; cant toggle ID bit,
- je is_old_486 ; processor=old
-
- mov eax,1
- db 0fh,0a2h ;CPUID
-
-exitcpudetect:
- ret
-
-end_cpu_is_386:
- mov eax,0300h
- jmp exitcpudetect
-
-is_old_486:
- mov eax,0400h
- jmp exitcpudetect
-
-IFDEF NOUNDERLINE
-cpudetect32 endp
-ELSE
-_cpudetect32 endp
-ENDIF
-
-_TEXT ends
-end
Index: ircd-ircdev/libs/zlib/contrib/asm386/gvmat32c.c
diff -u ircd-ircdev/libs/zlib/contrib/asm386/gvmat32c.c:1.1 ircd-ircdev/libs/zlib/contrib/asm386/gvmat32c.c:removed
--- ircd-ircdev/libs/zlib/contrib/asm386/gvmat32c.c:1.1 Fri Nov 14 19:11:55 2003
+++ ircd-ircdev/libs/zlib/contrib/asm386/gvmat32c.c Mon Jan 10 04:45:07 2005
@@ -1,200 +0,0 @@
-/* gvmat32.c -- C portion of the optimized longest_match for 32 bits x86
- * Copyright (C) 1995-1996 Jean-loup Gailly and Gilles Vollant.
- * File written by Gilles Vollant, by modifiying the longest_match
- * from Jean-loup Gailly in deflate.c
- * it prepare all parameters and call the assembly longest_match_gvasm
- * longest_match execute standard C code is wmask != 0x7fff
- * (assembly code is faster with a fixed wmask)
- *
- */
-
-#include "deflate.h"
-
-#undef FAR
-#include <windows.h>
-
-#ifdef ASMV
-#define NIL 0
-
-#define UNALIGNED_OK
-
-
-/* if your C compiler don't add underline before function name,
- define ADD_UNDERLINE_ASMFUNC */
-#ifdef ADD_UNDERLINE_ASMFUNC
-#define longest_match_7fff _longest_match_7fff
-#endif
-
-
-
-void match_init()
-{
-}
-
-unsigned long cpudetect32();
-
-uInt longest_match_c(
- deflate_state *s,
- IPos cur_match); /* current match */
-
-
-uInt longest_match_7fff(
- deflate_state *s,
- IPos cur_match); /* current match */
-
-uInt longest_match(
- deflate_state *s,
- IPos cur_match) /* current match */
-{
- static uInt iIsPPro=2;
-
- if ((s->w_mask == 0x7fff) && (iIsPPro==0))
- return longest_match_7fff(s,cur_match);
-
- if (iIsPPro==2)
- iIsPPro = (((cpudetect32()/0x100)&0xf)>=6) ? 1 : 0;
-
- return longest_match_c(s,cur_match);
-}
-
-
-
-uInt longest_match_c(s, cur_match)
- deflate_state *s;
- IPos cur_match; /* current match */
-{
- unsigned chain_length = s->max_chain_length;/* max hash chain length */
- register Bytef *scan = s->window + s->strstart; /* current string */
- register Bytef *match; /* matched string */
- register int len; /* length of current match */
- int best_len = s->prev_length; /* best match length so far */
- int nice_match = s->nice_match; /* stop if match long enough */
- IPos limit = s->strstart > (IPos)MAX_DIST(s) ?
- s->strstart - (IPos)MAX_DIST(s) : NIL;
- /* Stop when cur_match becomes <= limit. To simplify the code,
- * we prevent matches with the string of window index 0.
- */
- Posf *prev = s->prev;
- uInt wmask = s->w_mask;
-
-#ifdef UNALIGNED_OK
- /* Compare two bytes at a time. Note: this is not always beneficial.
- * Try with and without -DUNALIGNED_OK to check.
- */
- register Bytef *strend = s->window + s->strstart + MAX_MATCH - 1;
- register ush scan_start = *(ushf*)scan;
- register ush scan_end = *(ushf*)(scan+best_len-1);
-#else
- register Bytef *strend = s->window + s->strstart + MAX_MATCH;
- register Byte scan_end1 = scan[best_len-1];
- register Byte scan_end = scan[best_len];
-#endif
-
- /* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16.
- * It is easy to get rid of this optimization if necessary.
- */
- Assert(s->hash_bits >= 8 && MAX_MATCH == 258, "Code too clever");
-
- /* Do not waste too much time if we already have a good match: */
- if (s->prev_length >= s->good_match) {
- chain_length >>= 2;
- }
- /* Do not look for matches beyond the end of the input. This is necessary
- * to make deflate deterministic.
- */
- if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead;
-
- Assert((ulg)s->strstart <= s->window_size-MIN_LOOKAHEAD, "need lookahead");
-
- do {
- Assert(cur_match < s->strstart, "no future");
- match = s->window + cur_match;
-
- /* Skip to next match if the match length cannot increase
- * or if the match length is less than 2:
- */
-#if (defined(UNALIGNED_OK) && MAX_MATCH == 258)
- /* This code assumes sizeof(unsigned short) == 2. Do not use
- * UNALIGNED_OK if your compiler uses a different size.
- */
- if (*(ushf*)(match+best_len-1) != scan_end ||
- *(ushf*)match != scan_start) continue;
-
- /* It is not necessary to compare scan[2] and match[2] since they are
- * always equal when the other bytes match, given that the hash keys
- * are equal and that HASH_BITS >= 8. Compare 2 bytes at a time at
- * strstart+3, +5, ... up to strstart+257. We check for insufficient
- * lookahead only every 4th comparison; the 128th check will be made
- * at strstart+257. If MAX_MATCH-2 is not a multiple of 8, it is
- * necessary to put more guard bytes at the end of the window, or
- * to check more often for insufficient lookahead.
- */
- Assert(scan[2] == match[2], "scan[2]?");
- scan++, match++;
- do {
- } while (*(ushf*)(scan+=2) == *(ushf*)(match+=2) &&
- *(ushf*)(scan+=2) == *(ushf*)(match+=2) &&
- *(ushf*)(scan+=2) == *(ushf*)(match+=2) &&
- *(ushf*)(scan+=2) == *(ushf*)(match+=2) &&
- scan < strend);
- /* The funny "do {}" generates better code on most compilers */
-
- /* Here, scan <= window+strstart+257 */
- Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan");
- if (*scan == *match) scan++;
-
- len = (MAX_MATCH - 1) - (int)(strend-scan);
- scan = strend - (MAX_MATCH-1);
-
-#else /* UNALIGNED_OK */
-
- if (match[best_len] != scan_end ||
- match[best_len-1] != scan_end1 ||
- *match != *scan ||
- *++match != scan[1]) continue;
-
- /* The check at best_len-1 can be removed because it will be made
- * again later. (This heuristic is not always a win.)
- * It is not necessary to compare scan[2] and match[2] since they
- * are always equal when the other bytes match, given that
- * the hash keys are equal and that HASH_BITS >= 8.
- */
- scan += 2, match++;
- Assert(*scan == *match, "match[2]?");
-
- /* We check for insufficient lookahead only every 8th comparison;
- * the 256th check will be made at strstart+258.
- */
- do {
- } while (*++scan == *++match && *++scan == *++match &&
- *++scan == *++match && *++scan == *++match &&
- *++scan == *++match && *++scan == *++match &&
- *++scan == *++match && *++scan == *++match &&
- scan < strend);
-
- Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan");
-
- len = MAX_MATCH - (int)(strend - scan);
- scan = strend - MAX_MATCH;
-
-#endif /* UNALIGNED_OK */
-
- if (len > best_len) {
- s->match_start = cur_match;
- best_len = len;
- if (len >= nice_match) break;
-#ifdef UNALIGNED_OK
- scan_end = *(ushf*)(scan+best_len-1);
-#else
- scan_end1 = scan[best_len-1];
- scan_end = scan[best_len];
-#endif
- }
- } while ((cur_match = prev[cur_match & wmask]) > limit
- && --chain_length != 0);
-
- if ((uInt)best_len <= s->lookahead) return (uInt)best_len;
- return s->lookahead;
-}
-
-#endif /* ASMV */
Index: ircd-ircdev/libs/zlib/contrib/asm386/mkgvmt32.bat
diff -u ircd-ircdev/libs/zlib/contrib/asm386/mkgvmt32.bat:1.1 ircd-ircdev/libs/zlib/contrib/asm386/mkgvmt32.bat:removed
--- ircd-ircdev/libs/zlib/contrib/asm386/mkgvmt32.bat:1.1 Fri Nov 14 19:11:55 2003
+++ ircd-ircdev/libs/zlib/contrib/asm386/mkgvmt32.bat Mon Jan 10 04:45:08 2005
@@ -1 +0,0 @@
-c:\masm611\bin\ml /coff /Zi /c /Flgvmat32.lst gvmat32.asm
Index: ircd-ircdev/libs/zlib/contrib/asm386/zlibvc.def
diff -u ircd-ircdev/libs/zlib/contrib/asm386/zlibvc.def:1.1 ircd-ircdev/libs/zlib/contrib/asm386/zlibvc.def:removed
--- ircd-ircdev/libs/zlib/contrib/asm386/zlibvc.def:1.1 Fri Nov 14 19:11:55 2003
+++ ircd-ircdev/libs/zlib/contrib/asm386/zlibvc.def Mon Jan 10 04:45:08 2005
@@ -1,74 +0,0 @@
-LIBRARY "zlib"
-
-DESCRIPTION '"""zlib data compression library"""'
-
-
-VERSION 1.11
-
-
-HEAPSIZE 1048576,8192
-
-EXPORTS
- adler32 @1
- compress @2
- crc32 @3
- deflate @4
- deflateCopy @5
- deflateEnd @6
- deflateInit2_ @7
- deflateInit_ @8
- deflateParams @9
- deflateReset @10
- deflateSetDictionary @11
- gzclose @12
- gzdopen @13
- gzerror @14
- gzflush @15
- gzopen @16
- gzread @17
- gzwrite @18
- inflate @19
- inflateEnd @20
- inflateInit2_ @21
- inflateInit_ @22
- inflateReset @23
- inflateSetDictionary @24
- inflateSync @25
- uncompress @26
- zlibVersion @27
- gzprintf @28
- gzputc @29
- gzgetc @30
- gzseek @31
- gzrewind @32
- gztell @33
- gzeof @34
- gzsetparams @35
- zError @36
- inflateSyncPoint @37
- get_crc_table @38
- compress2 @39
- gzputs @40
- gzgets @41
-
- unzOpen @61
- unzClose @62
- unzGetGlobalInfo @63
- unzGetCurrentFileInfo @64
- unzGoToFirstFile @65
- unzGoToNextFile @66
- unzOpenCurrentFile @67
- unzReadCurrentFile @68
- unztell @70
- unzeof @71
- unzCloseCurrentFile @72
- unzGetGlobalComment @73
- unzStringFileNameCompare @74
- unzLocateFile @75
- unzGetLocalExtrafield @76
-
- zipOpen @80
- zipOpenNewFileInZip @81
- zipWriteInFileInZip @82
- zipCloseFileInZip @83
- zipClose @84
Index: ircd-ircdev/libs/zlib/contrib/asm386/zlibvc.dsp
diff -u ircd-ircdev/libs/zlib/contrib/asm386/zlibvc.dsp:1.1 ircd-ircdev/libs/zlib/contrib/asm386/zlibvc.dsp:removed
--- ircd-ircdev/libs/zlib/contrib/asm386/zlibvc.dsp:1.1 Fri Nov 14 19:11:55 2003
+++ ircd-ircdev/libs/zlib/contrib/asm386/zlibvc.dsp Mon Jan 10 04:45:08 2005
@@ -1,651 +0,0 @@
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-!IF "$(CFG)" == "zlibvc - Win32 Release"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 Debug"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseAxp"
-
-DEP_CPP_INFBL=\
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- ".\infcodes.h"\
- ".\inftrees.h"\
- ".\infutil.h"\
- ".\zconf.h"\
- ".\zlib.h"\
- ".\zutil.h"\
-
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutAsm"
-
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-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 Debug"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseAxp"
-
-DEP_CPP_INFCO=\
- ".\infblock.h"\
- ".\infcodes.h"\
- ".\inffast.h"\
- ".\inftrees.h"\
- ".\infutil.h"\
- ".\zconf.h"\
- ".\zlib.h"\
- ".\zutil.h"\
-
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutAsm"
-
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-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 Debug"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseAxp"
-
-DEP_CPP_INFFA=\
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- ".\infutil.h"\
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-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutAsm"
-
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-
-!IF "$(CFG)" == "zlibvc - Win32 Release"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 Debug"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseAxp"
-
-DEP_CPP_INFLA=\
- ".\infblock.h"\
- ".\zconf.h"\
- ".\zlib.h"\
- ".\zutil.h"\
-
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutAsm"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutCrtdll"
-
-!ENDIF
-
-# End Source File
-# Begin Source File
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-SOURCE=.\inftrees.c
-
-!IF "$(CFG)" == "zlibvc - Win32 Release"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 Debug"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseAxp"
-
-DEP_CPP_INFTR=\
- ".\inftrees.h"\
- ".\zconf.h"\
- ".\zlib.h"\
- ".\zutil.h"\
-
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutAsm"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutCrtdll"
-
-!ENDIF
-
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-# Begin Source File
-
-SOURCE=.\infutil.c
-
-!IF "$(CFG)" == "zlibvc - Win32 Release"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 Debug"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseAxp"
-
-DEP_CPP_INFUT=\
- ".\infblock.h"\
- ".\infcodes.h"\
- ".\inftrees.h"\
- ".\infutil.h"\
- ".\zconf.h"\
- ".\zlib.h"\
- ".\zutil.h"\
-
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutAsm"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutCrtdll"
-
-!ENDIF
-
-# End Source File
-# Begin Source File
-
-SOURCE=.\trees.c
-
-!IF "$(CFG)" == "zlibvc - Win32 Release"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 Debug"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseAxp"
-
-DEP_CPP_TREES=\
- ".\deflate.h"\
- ".\zconf.h"\
- ".\zlib.h"\
- ".\zutil.h"\
-
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutAsm"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutCrtdll"
-
-!ENDIF
-
-# End Source File
-# Begin Source File
-
-SOURCE=.\uncompr.c
-
-!IF "$(CFG)" == "zlibvc - Win32 Release"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 Debug"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseAxp"
-
-DEP_CPP_UNCOM=\
- ".\zconf.h"\
- ".\zlib.h"\
-
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutAsm"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutCrtdll"
-
-!ENDIF
-
-# End Source File
-# Begin Source File
-
-SOURCE=.\unzip.c
-
-!IF "$(CFG)" == "zlibvc - Win32 Release"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 Debug"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseAxp"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutAsm"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutCrtdll"
-
-!ENDIF
-
-# End Source File
-# Begin Source File
-
-SOURCE=.\zip.c
-
-!IF "$(CFG)" == "zlibvc - Win32 Release"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 Debug"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseAxp"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutAsm"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutCrtdll"
-
-!ENDIF
-
-# End Source File
-# Begin Source File
-
-SOURCE=.\zlib.rc
-# End Source File
-# Begin Source File
-
-SOURCE=.\zlibvc.def
-# End Source File
-# Begin Source File
-
-SOURCE=.\zutil.c
-
-!IF "$(CFG)" == "zlibvc - Win32 Release"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 Debug"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseAxp"
-
-DEP_CPP_ZUTIL=\
- ".\zconf.h"\
- ".\zlib.h"\
- ".\zutil.h"\
-
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutAsm"
-
-!ELSEIF "$(CFG)" == "zlibvc - Win32 ReleaseWithoutCrtdll"
-
-!ENDIF
-
-# End Source File
-# End Group
-# Begin Group "Header Files"
-
-# PROP Default_Filter "h;hpp;hxx;hm;inl;fi;fd"
-# Begin Source File
-
-SOURCE=.\deflate.h
-# End Source File
-# Begin Source File
-
-SOURCE=.\infblock.h
-# End Source File
-# Begin Source File
-
-SOURCE=.\infcodes.h
-# End Source File
-# Begin Source File
-
-SOURCE=.\inffast.h
-# End Source File
-# Begin Source File
-
-SOURCE=.\inftrees.h
-# End Source File
-# Begin Source File
-
-SOURCE=.\infutil.h
-# End Source File
-# Begin Source File
-
-SOURCE=.\zconf.h
-# End Source File
-# Begin Source File
-
-SOURCE=.\zlib.h
-# End Source File
-# Begin Source File
-
-SOURCE=.\zutil.h
-# End Source File
-# End Group
-# Begin Group "Resource Files"
-
-# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;cnt;rtf;gif;jpg;jpeg;jpe"
-# End Group
-# End Target
-# End Project
Index: ircd-ircdev/libs/zlib/contrib/asm386/zlibvc.dsw
diff -u ircd-ircdev/libs/zlib/contrib/asm386/zlibvc.dsw:1.1 ircd-ircdev/libs/zlib/contrib/asm386/zlibvc.dsw:removed
--- ircd-ircdev/libs/zlib/contrib/asm386/zlibvc.dsw:1.1 Fri Nov 14 19:11:55 2003
+++ ircd-ircdev/libs/zlib/contrib/asm386/zlibvc.dsw Mon Jan 10 04:45:08 2005
@@ -1,41 +0,0 @@
-Microsoft Developer Studio Workspace File, Format Version 5.00
-# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE!
-
-###############################################################################
-
-Project: "zlibstat"=.\zlibstat.dsp - Package Owner=<4>
-
-Package=<5>
-{{{
-}}}
-
-Package=<4>
-{{{
-}}}
-
-###############################################################################
-
-Project: "zlibvc"=.\zlibvc.dsp - Package Owner=<4>
-
-Package=<5>
-{{{
-}}}
-
-Package=<4>
-{{{
-}}}
-
-###############################################################################
-
-Global:
-
-Package=<5>
-{{{
-}}}
-
-Package=<3>
-{{{
-}}}
-
-###############################################################################
-
Index: ircd-ircdev/libs/zlib/contrib/asm586/README.586
diff -u ircd-ircdev/libs/zlib/contrib/asm586/README.586:1.1 ircd-ircdev/libs/zlib/contrib/asm586/README.586:removed
--- ircd-ircdev/libs/zlib/contrib/asm586/README.586:1.1 Fri Nov 14 19:11:55 2003
+++ ircd-ircdev/libs/zlib/contrib/asm586/README.586 Mon Jan 10 04:45:08 2005
@@ -1,43 +0,0 @@
-This is a patched version of zlib modified to use
-Pentium-optimized assembly code in the deflation algorithm. The files
-changed/added by this patch are:
-
-README.586
-match.S
-
-The effectiveness of these modifications is a bit marginal, as the the
-program's bottleneck seems to be mostly L1-cache contention, for which
-there is no real way to work around without rewriting the basic
-algorithm. The speedup on average is around 5-10% (which is generally
-less than the amount of variance between subsequent executions).
-However, when used at level 9 compression, the cache contention can
-drop enough for the assembly version to achieve 10-20% speedup (and
-sometimes more, depending on the amount of overall redundancy in the
-files). Even here, though, cache contention can still be the limiting
-factor, depending on the nature of the program using the zlib library.
-This may also mean that better improvements will be seen on a Pentium
-with MMX, which suffers much less from L1-cache contention, but I have
-not yet verified this.
-
-Note that this code has been tailored for the Pentium in particular,
-and will not perform well on the Pentium Pro (due to the use of a
-partial register in the inner loop).
-
-If you are using an assembler other than GNU as, you will have to
-translate match.S to use your assembler's syntax. (Have fun.)
-
-Brian Raiter
-br...@mu...
-April, 1998
-
-
-Added for zlib 1.1.3:
-
-The patches come from
-http://www.muppetlabs.com/~breadbox/software/assembly.html
-
-To compile zlib with this asm file, copy match.S to the zlib directory
-then do:
-
-CFLAGS="-O3 -DASMV" ./configure
-make OBJA=match.o
Index: ircd-ircdev/libs/zlib/contrib/asm586/match.S
diff -u ircd-ircdev/libs/zlib/contrib/asm586/match.S:1.1 ircd-ircdev/libs/zlib/contrib/asm586/match.S:removed
--- ircd-ircdev/libs/zlib/contrib/asm586/match.S:1.1 Fri Nov 14 19:11:55 2003
+++ ircd-ircdev/libs/zlib/contrib/asm586/match.S Mon Jan 10 04:45:08 2005
@@ -1,354 +0,0 @@
-/* match.s -- Pentium-optimized version of longest_match()
- * Written for zlib 1.1.2
- * Copyright (C) 1998 Brian Raiter <bre...@mu...>
- *
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License.
- */
-
-#ifndef NO_UNDERLINE
-#define match_init _match_init
-#define longest_match _longest_match
-#endif
-
-#define MAX_MATCH (258)
-#define MIN_MATCH (3)
-#define MIN_LOOKAHEAD (MAX_MATCH + MIN_MATCH + 1)
-#define MAX_MATCH_8 ((MAX_MATCH + 7) & ~7)
-
-/* stack frame offsets */
-
-#define wmask 0 /* local copy of s->wmask */
-#define window 4 /* local copy of s->window */
-#define windowbestlen 8 /* s->window + bestlen */
-#define chainlenscanend 12 /* high word: current chain len */
- /* low word: last bytes sought */
-#define scanstart 16 /* first two bytes of string */
-#define scanalign 20 /* dword-misalignment of string */
-#define nicematch 24 /* a good enough match size */
-#define bestlen 28 /* size of best match so far */
-#define scan 32 /* ptr to string wanting match */
-
-#define LocalVarsSize (36)
-/* saved ebx 36 */
-/* saved edi 40 */
-/* saved esi 44 */
-/* saved ebp 48 */
-/* return address 52 */
-#define deflatestate 56 /* the function arguments */
-#define curmatch 60
-
-/* Offsets for fields in the deflate_state structure. These numbers
- * are calculated from the definition of deflate_state, with the
- * assumption that the compiler will dword-align the fields. (Thus,
- * changing the definition of deflate_state could easily cause this
- * program to crash horribly, without so much as a warning at
- * compile time. Sigh.)
- */
-#define dsWSize 36
-#define dsWMask 44
-#define dsWindow 48
-#define dsPrev 56
-#define dsMatchLen 88
-#define dsPrevMatch 92
-#define dsStrStart 100
-#define dsMatchStart 104
-#define dsLookahead 108
-#define dsPrevLen 112
-#define dsMaxChainLen 116
-#define dsGoodMatch 132
-#define dsNiceMatch 136
-
-
-.file "match.S"
-
-.globl match_init, longest_match
-
-.text
-
-/* uInt longest_match(deflate_state *deflatestate, IPos curmatch) */
-
-longest_match:
-
-/* Save registers that the compiler may be using, and adjust %esp to */
-/* make room for our stack frame. */
-
- pushl %ebp
- pushl %edi
- pushl %esi
- pushl %ebx
- subl $LocalVarsSize, %esp
-
-/* Retrieve the function arguments. %ecx will hold cur_match */
-/* throughout the entire function. %edx will hold the pointer to the */
-/* deflate_state structure during the function's setup (before */
-/* entering the main loop). */
-
- movl deflatestate(%esp), %edx
- movl curmatch(%esp), %ecx
-
-/* if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; */
-
- movl dsNiceMatch(%edx), %eax
- movl dsLookahead(%edx), %ebx
- cmpl %eax, %ebx
- jl LookaheadLess
- movl %eax, %ebx
-LookaheadLess: movl %ebx, nicematch(%esp)
-
-/* register Bytef *scan = s->window + s->strstart; */
-
- movl dsWindow(%edx), %esi
- movl %esi, window(%esp)
- movl dsStrStart(%edx), %ebp
- lea (%esi,%ebp), %edi
- movl %edi, scan(%esp)
-
-/* Determine how many bytes the scan ptr is off from being */
-/* dword-aligned. */
-
- movl %edi, %eax
- negl %eax
- andl $3, %eax
- movl %eax, scanalign(%esp)
-
-/* IPos limit = s->strstart > (IPos)MAX_DIST(s) ? */
-/* s->strstart - (IPos)MAX_DIST(s) : NIL; */
-
- movl dsWSize(%edx), %eax
- subl $MIN_LOOKAHEAD, %eax
- subl %eax, %ebp
- jg LimitPositive
- xorl %ebp, %ebp
-LimitPositive:
-
-/* unsigned chain_length = s->max_chain_length; */
-/* if (s->prev_length >= s->good_match) { */
-/* chain_length >>= 2; */
-/* } */
-
- movl dsPrevLen(%edx), %eax
- movl dsGoodMatch(%edx), %ebx
- cmpl %ebx, %eax
- movl dsMaxChainLen(%edx), %ebx
- jl LastMatchGood
- shrl $2, %ebx
-LastMatchGood:
-
-/* chainlen is decremented once beforehand so that the function can */
-/* use the sign flag instead of the zero flag for the exit test. */
-/* It is then shifted into the high word, to make room for the scanend */
-/* scanend value, which it will always accompany. */
-
- decl %ebx
- shll $16, %ebx
-
-/* int best_len = s->prev_length; */
-
- movl dsPrevLen(%edx), %eax
- movl %eax, bestlen(%esp)
-
-/* Store the sum of s->window + best_len in %esi locally, and in %esi. */
-
- addl %eax, %esi
- movl %esi, windowbestlen(%esp)
-
-/* register ush scan_start = *(ushf*)scan; */
-/* register ush scan_end = *(ushf*)(scan+best_len-1); */
-
- movw (%edi), %bx
- movw %bx, scanstart(%esp)
- movw -1(%edi,%eax), %bx
- movl %ebx, chainlenscanend(%esp)
-
-/* Posf *prev = s->prev; */
-/* uInt wmask = s->w_mask; */
-
- movl dsPrev(%edx), %edi
- movl dsWMask(%edx), %edx
- mov %edx, wmask(%esp)
-
-/* Jump into the main loop. */
-
- jmp LoopEntry
-
-.balign 16
-
-/* do {
- * match = s->window + cur_match;
- * if (*(ushf*)(match+best_len-1) != scan_end ||
- * *(ushf*)match != scan_start) continue;
- * [...]
- * } while ((cur_match = prev[cur_match & wmask]) > limit
- * && --chain_length != 0);
- *
- * Here is the inner loop of the function. The function will spend the
- * majority of its time in this loop, and majority of that time will
- * be spent in the first ten instructions.
- *
- * Within this loop:
- * %ebx = chainlenscanend - i.e., ((chainlen << 16) | scanend)
- * %ecx = curmatch
- * %edx = curmatch & wmask
- * %esi = windowbestlen - i.e., (window + bestlen)
- * %edi = prev
- * %ebp = limit
- *
- * Two optimization notes on the choice of instructions:
- *
- * The first instruction uses a 16-bit address, which costs an extra,
- * unpairable cycle. This is cheaper than doing a 32-bit access and
- * zeroing the high word, due to the 3-cycle misalignment penalty which
- * would occur half the time. This also turns out to be cheaper than
- * doing two separate 8-bit accesses, as the memory is so rarely in the
- * L1 cache.
- *
- * The window buffer, however, apparently spends a lot of time in the
- * cache, and so it is faster to retrieve the word at the end of the
- * match string with two 8-bit loads. The instructions that test the
- * word at the beginning of the match string, however, are executed
- * much less frequently, and there it was cheaper to use 16-bit
- * instructions, which avoided the necessity of saving off and
- * subsequently reloading one of the other registers.
- */
-LookupLoop:
- /* 1 U & V */
- movw (%edi,%edx,2), %cx /* 2 U pipe */
- movl wmask(%esp), %edx /* 2 V pipe */
- cmpl %ebp, %ecx /* 3 U pipe */
- jbe LeaveNow /* 3 V pipe */
- subl $0x00010000, %ebx /* 4 U pipe */
- js LeaveNow /* 4 V pipe */
-LoopEntry: movb -1(%esi,%ecx), %al /* 5 U pipe */
- andl %ecx, %edx /* 5 V pipe */
- cmpb %bl, %al /* 6 U pipe */
- jnz LookupLoop /* 6 V pipe */
- movb (%esi,%ecx), %ah
- cmpb %bh, %ah
- jnz LookupLoop
- movl window(%esp), %eax
- movw (%eax,%ecx), %ax
- cmpw scanstart(%esp), %ax
- jnz LookupLoop
-
-/* Store the current value of chainlen. */
-
- movl %ebx, chainlenscanend(%esp)
-
-/* Point %edi to the string under scrutiny, and %esi to the string we */
-/* are hoping to match it up with. In actuality, %esi and %edi are */
-/* both pointed (MAX_MATCH_8 - scanalign) bytes ahead, and %edx is */
-/* initialized to -(MAX_MATCH_8 - scanalign). */
-
- movl window(%esp), %esi
- movl scan(%esp), %edi
- addl %ecx, %esi
- movl scanalign(%esp), %eax
- movl $(-MAX_MATCH_8), %edx
- lea MAX_MATCH_8(%edi,%eax), %edi
- lea MAX_MATCH_8(%esi,%eax), %esi
-
-/* Test the strings for equality, 8 bytes at a time. At the end,
- * adjust %edx so that it is offset to the exact byte that mismatched.
- *
- * We already know at this point that the first three bytes of the
- * strings match each other, and they can be safely passed over before
- * starting the compare loop. So what this code does is skip over 0-3
- * bytes, as much as necessary in order to dword-align the %edi
- * pointer. (%esi will still be misaligned three times out of four.)
- *
- * It should be confessed that this loop usually does not represent
- * much of the total running time. Replacing it with a more
- * straightforward "rep cmpsb" would not drastically degrade
- * performance.
- */
-LoopCmps:
- movl (%esi,%edx), %eax
- movl (%edi,%edx), %ebx
- xorl %ebx, %eax
- jnz LeaveLoopCmps
- movl 4(%esi,%edx), %eax
- movl 4(%edi,%edx), %ebx
- xorl %ebx, %eax
- jnz LeaveLoopCmps4
- addl $8, %edx
- jnz LoopCmps
- jmp LenMaximum
-LeaveLoopCmps4: addl $4, %edx
-LeaveLoopCmps: testl $0x0000FFFF, %eax
- jnz LenLower
- addl $2, %edx
- shrl $16, %eax
-LenLower: subb $1, %al
- adcl $0, %edx
-
-/* Calculate the length of the match. If it is longer than MAX_MATCH, */
-/* then automatically accept it as the best possible match and leave. */
-
- lea (%edi,%edx), %eax
- movl scan(%esp), %edi
- subl %edi, %eax
- cmpl $MAX_MATCH, %eax
- jge LenMaximum
-
-/* If the length of the match is not longer than the best match we */
-/* have so far, then forget it and return to the lookup loop. */
-
- movl deflatestate(%esp), %edx
- movl bestlen(%esp), %ebx
- cmpl %ebx, %eax
- jg LongerMatch
- movl chainlenscanend(%esp), %ebx
- movl windowbestlen(%esp), %esi
- movl dsPrev(%edx), %edi
- movl wmask(%esp), %edx
- andl %ecx, %edx
- jmp LookupLoop
-
-/* s->match_start = cur_match; */
-/* best_len = len; */
-/* if (len >= nice_match) break; */
-/* scan_end = *(ushf*)(scan+best_len-1); */
-
-LongerMatch: movl nicematch(%esp), %ebx
- movl %eax, bestlen(%esp)
- movl %ecx, dsMatchStart(%edx)
- cmpl %ebx, %eax
- jge LeaveNow
- movl window(%esp), %esi
- addl %eax, %esi
- movl %esi, windowbestlen(%esp)
- movl chainlenscanend(%esp), %ebx
- movw -1(%edi,%eax), %bx
- movl dsPrev(%edx), %edi
- movl %ebx, chainlenscanend(%esp)
- movl wmask(%esp), %edx
- andl %ecx, %edx
- jmp ...
[truncated message content] |
