--- /dev/null
+;/* inffas32.asm is a hand tuned assembler version of inffast.c -- fast decoding\r
+; *\r
+; * inffas32.asm is derivated from inffas86.c, with translation of assembly code\r
+; *\r
+; * Copyright (C) 1995-2003 Mark Adler\r
+; * For conditions of distribution and use, see copyright notice in zlib.h\r
+; *\r
+; * Copyright (C) 2003 Chris Anderson <christop@charm.net>\r
+; * Please use the copyright conditions above.\r
+; *\r
+; * Mar-13-2003 -- Most of this is derived from inffast.S which is derived from\r
+; * the gcc -S output of zlib-1.2.0/inffast.c. Zlib-1.2.0 is in beta release at\r
+; * the moment. I have successfully compiled and tested this code with gcc2.96,\r
+; * gcc3.2, icc5.0, msvc6.0. It is very close to the speed of inffast.S\r
+; * compiled with gcc -DNO_MMX, but inffast.S is still faster on the P3 with MMX\r
+; * enabled. I will attempt to merge the MMX code into this version. Newer\r
+; * versions of this and inffast.S can be found at\r
+; * http://www.eetbeetee.com/zlib/ and http://www.charm.net/~christop/zlib/\r
+; *\r
+; * 2005 : modification by Gilles Vollant\r
+; */\r
+; For Visual C++ 4.x and higher and ML 6.x and higher\r
+; ml.exe is in directory \MASM611C of Win95 DDK\r
+; ml.exe is also distributed in http://www.masm32.com/masmdl.htm\r
+; and in VC++2003 toolkit at http://msdn.microsoft.com/visualc/vctoolkit2003/\r
+;\r
+;\r
+; compile with command line option\r
+; ml /coff /Zi /c /Flinffas32.lst inffas32.asm\r
+\r
+; if you define NO_GZIP (see inflate.h), compile with\r
+; ml /coff /Zi /c /Flinffas32.lst /DNO_GUNZIP inffas32.asm\r
+\r
+\r
+; zlib122sup is 0 fort zlib 1.2.2.1 and lower\r
+; zlib122sup is 8 fort zlib 1.2.2.2 and more (with addition of dmax and head\r
+; in inflate_state in inflate.h)\r
+zlib1222sup equ 8\r
+\r
+\r
+IFDEF GUNZIP\r
+ INFLATE_MODE_TYPE equ 11\r
+ INFLATE_MODE_BAD equ 26\r
+ELSE\r
+ IFNDEF NO_GUNZIP\r
+ INFLATE_MODE_TYPE equ 11\r
+ INFLATE_MODE_BAD equ 26\r
+ ELSE\r
+ INFLATE_MODE_TYPE equ 3\r
+ INFLATE_MODE_BAD equ 17\r
+ ENDIF\r
+ENDIF\r
+\r
+\r
+; 75 "inffast.S"\r
+;FILE "inffast.S"\r
+\r
+;;;GLOBAL _inflate_fast\r
+\r
+;;;SECTION .text\r
+\r
+\r
+\r
+ .586p\r
+ .mmx\r
+\r
+ name inflate_fast_x86\r
+ .MODEL FLAT\r
+\r
+_DATA segment\r
+inflate_fast_use_mmx:\r
+ dd 1\r
+\r
+\r
+_TEXT segment\r
+\r
+\r
+\r
+ALIGN 4\r
+ db 'Fast decoding Code from Chris Anderson'\r
+ db 0\r
+\r
+ALIGN 4\r
+invalid_literal_length_code_msg:\r
+ db 'invalid literal/length code'\r
+ db 0\r
+\r
+ALIGN 4\r
+invalid_distance_code_msg:\r
+ db 'invalid distance code'\r
+ db 0\r
+\r
+ALIGN 4\r
+invalid_distance_too_far_msg:\r
+ db 'invalid distance too far back'\r
+ db 0\r
+\r
+\r
+ALIGN 4\r
+inflate_fast_mask:\r
+dd 0\r
+dd 1\r
+dd 3\r
+dd 7\r
+dd 15\r
+dd 31\r
+dd 63\r
+dd 127\r
+dd 255\r
+dd 511\r
+dd 1023\r
+dd 2047\r
+dd 4095\r
+dd 8191\r
+dd 16383\r
+dd 32767\r
+dd 65535\r
+dd 131071\r
+dd 262143\r
+dd 524287\r
+dd 1048575\r
+dd 2097151\r
+dd 4194303\r
+dd 8388607\r
+dd 16777215\r
+dd 33554431\r
+dd 67108863\r
+dd 134217727\r
+dd 268435455\r
+dd 536870911\r
+dd 1073741823\r
+dd 2147483647\r
+dd 4294967295\r
+\r
+\r
+mode_state equ 0 ;/* state->mode */\r
+wsize_state equ (32+zlib1222sup) ;/* state->wsize */\r
+write_state equ (36+4+zlib1222sup) ;/* state->write */\r
+window_state equ (40+4+zlib1222sup) ;/* state->window */\r
+hold_state equ (44+4+zlib1222sup) ;/* state->hold */\r
+bits_state equ (48+4+zlib1222sup) ;/* state->bits */\r
+lencode_state equ (64+4+zlib1222sup) ;/* state->lencode */\r
+distcode_state equ (68+4+zlib1222sup) ;/* state->distcode */\r
+lenbits_state equ (72+4+zlib1222sup) ;/* state->lenbits */\r
+distbits_state equ (76+4+zlib1222sup) ;/* state->distbits */\r
+\r
+\r
+;;SECTION .text\r
+; 205 "inffast.S"\r
+;GLOBAL inflate_fast_use_mmx\r
+\r
+;SECTION .data\r
+\r
+\r
+; GLOBAL inflate_fast_use_mmx:object\r
+;.size inflate_fast_use_mmx, 4\r
+; 226 "inffast.S"\r
+;SECTION .text\r
+\r
+ALIGN 4\r
+_inflate_fast proc near\r
+.FPO (16, 4, 0, 0, 1, 0)\r
+ push edi\r
+ push esi\r
+ push ebp\r
+ push ebx\r
+ pushfd\r
+ sub esp,64\r
+ cld\r
+\r
+\r
+\r
+\r
+ mov esi, [esp+88]\r
+ mov edi, [esi+28]\r
+\r
+\r
+\r
+\r
+\r
+\r
+\r
+ mov edx, [esi+4]\r
+ mov eax, [esi+0]\r
+\r
+ add edx,eax\r
+ sub edx,11\r
+\r
+ mov [esp+44],eax\r
+ mov [esp+20],edx\r
+\r
+ mov ebp, [esp+92]\r
+ mov ecx, [esi+16]\r
+ mov ebx, [esi+12]\r
+\r
+ sub ebp,ecx\r
+ neg ebp\r
+ add ebp,ebx\r
+\r
+ sub ecx,257\r
+ add ecx,ebx\r
+\r
+ mov [esp+60],ebx\r
+ mov [esp+40],ebp\r
+ mov [esp+16],ecx\r
+; 285 "inffast.S"\r
+ mov eax, [edi+lencode_state]\r
+ mov ecx, [edi+distcode_state]\r
+\r
+ mov [esp+8],eax\r
+ mov [esp+12],ecx\r
+\r
+ mov eax,1\r
+ mov ecx, [edi+lenbits_state]\r
+ shl eax,cl\r
+ dec eax\r
+ mov [esp+0],eax\r
+\r
+ mov eax,1\r
+ mov ecx, [edi+distbits_state]\r
+ shl eax,cl\r
+ dec eax\r
+ mov [esp+4],eax\r
+\r
+ mov eax, [edi+wsize_state]\r
+ mov ecx, [edi+write_state]\r
+ mov edx, [edi+window_state]\r
+\r
+ mov [esp+52],eax\r
+ mov [esp+48],ecx\r
+ mov [esp+56],edx\r
+\r
+ mov ebp, [edi+hold_state]\r
+ mov ebx, [edi+bits_state]\r
+; 321 "inffast.S"\r
+ mov esi, [esp+44]\r
+ mov ecx, [esp+20]\r
+ cmp ecx,esi\r
+ ja L_align_long\r
+\r
+ add ecx,11\r
+ sub ecx,esi\r
+ mov eax,12\r
+ sub eax,ecx\r
+ lea edi, [esp+28]\r
+ rep movsb\r
+ mov ecx,eax\r
+ xor eax,eax\r
+ rep stosb\r
+ lea esi, [esp+28]\r
+ mov [esp+20],esi\r
+ jmp L_is_aligned\r
+\r
+\r
+L_align_long:\r
+ test esi,3\r
+ jz L_is_aligned\r
+ xor eax,eax\r
+ mov al, [esi]\r
+ inc esi\r
+ mov ecx,ebx\r
+ add ebx,8\r
+ shl eax,cl\r
+ or ebp,eax\r
+ jmp L_align_long\r
+\r
+L_is_aligned:\r
+ mov edi, [esp+60]\r
+; 366 "inffast.S"\r
+L_check_mmx:\r
+ cmp dword ptr [inflate_fast_use_mmx],2\r
+ je L_init_mmx\r
+ ja L_do_loop\r
+\r
+ push eax\r
+ push ebx\r
+ push ecx\r
+ push edx\r
+ pushfd\r
+ mov eax, [esp]\r
+ xor dword ptr [esp],0200000h\r
+\r
+\r
+\r
+\r
+ popfd\r
+ pushfd\r
+ pop edx\r
+ xor edx,eax\r
+ jz L_dont_use_mmx\r
+ xor eax,eax\r
+ cpuid\r
+ cmp ebx,0756e6547h\r
+ jne L_dont_use_mmx\r
+ cmp ecx,06c65746eh\r
+ jne L_dont_use_mmx\r
+ cmp edx,049656e69h\r
+ jne L_dont_use_mmx\r
+ mov eax,1\r
+ cpuid\r
+ shr eax,8\r
+ and eax,15\r
+ cmp eax,6\r
+ jne L_dont_use_mmx\r
+ test edx,0800000h\r
+ jnz L_use_mmx\r
+ jmp L_dont_use_mmx\r
+L_use_mmx:\r
+ mov dword ptr [inflate_fast_use_mmx],2\r
+ jmp L_check_mmx_pop\r
+L_dont_use_mmx:\r
+ mov dword ptr [inflate_fast_use_mmx],3\r
+L_check_mmx_pop:\r
+ pop edx\r
+ pop ecx\r
+ pop ebx\r
+ pop eax\r
+ jmp L_check_mmx\r
+; 426 "inffast.S"\r
+ALIGN 4\r
+L_do_loop:\r
+; 437 "inffast.S"\r
+ cmp bl,15\r
+ ja L_get_length_code\r
+\r
+ xor eax,eax\r
+ lodsw\r
+ mov cl,bl\r
+ add bl,16\r
+ shl eax,cl\r
+ or ebp,eax\r
+\r
+L_get_length_code:\r
+ mov edx, [esp+0]\r
+ mov ecx, [esp+8]\r
+ and edx,ebp\r
+ mov eax, [ecx+edx*4]\r
+\r
+L_dolen:\r
+\r
+\r
+\r
+\r
+\r
+\r
+ mov cl,ah\r
+ sub bl,ah\r
+ shr ebp,cl\r
+\r
+\r
+\r
+\r
+\r
+\r
+ test al,al\r
+ jnz L_test_for_length_base\r
+\r
+ shr eax,16\r
+ stosb\r
+\r
+L_while_test:\r
+\r
+\r
+ cmp [esp+16],edi\r
+ jbe L_break_loop\r
+\r
+ cmp [esp+20],esi\r
+ ja L_do_loop\r
+ jmp L_break_loop\r
+\r
+L_test_for_length_base:\r
+; 502 "inffast.S"\r
+ mov edx,eax\r
+ shr edx,16\r
+ mov cl,al\r
+\r
+ test al,16\r
+ jz L_test_for_second_level_length\r
+ and cl,15\r
+ jz L_save_len\r
+ cmp bl,cl\r
+ jae L_add_bits_to_len\r
+\r
+ mov ch,cl\r
+ xor eax,eax\r
+ lodsw\r
+ mov cl,bl\r
+ add bl,16\r
+ shl eax,cl\r
+ or ebp,eax\r
+ mov cl,ch\r
+\r
+L_add_bits_to_len:\r
+ mov eax,1\r
+ shl eax,cl\r
+ dec eax\r
+ sub bl,cl\r
+ and eax,ebp\r
+ shr ebp,cl\r
+ add edx,eax\r
+\r
+L_save_len:\r
+ mov [esp+24],edx\r
+\r
+\r
+L_decode_distance:\r
+; 549 "inffast.S"\r
+ cmp bl,15\r
+ ja L_get_distance_code\r
+\r
+ xor eax,eax\r
+ lodsw\r
+ mov cl,bl\r
+ add bl,16\r
+ shl eax,cl\r
+ or ebp,eax\r
+\r
+L_get_distance_code:\r
+ mov edx, [esp+4]\r
+ mov ecx, [esp+12]\r
+ and edx,ebp\r
+ mov eax, [ecx+edx*4]\r
+\r
+\r
+L_dodist:\r
+ mov edx,eax\r
+ shr edx,16\r
+ mov cl,ah\r
+ sub bl,ah\r
+ shr ebp,cl\r
+; 584 "inffast.S"\r
+ mov cl,al\r
+\r
+ test al,16\r
+ jz L_test_for_second_level_dist\r
+ and cl,15\r
+ jz L_check_dist_one\r
+ cmp bl,cl\r
+ jae L_add_bits_to_dist\r
+\r
+ mov ch,cl\r
+ xor eax,eax\r
+ lodsw\r
+ mov cl,bl\r
+ add bl,16\r
+ shl eax,cl\r
+ or ebp,eax\r
+ mov cl,ch\r
+\r
+L_add_bits_to_dist:\r
+ mov eax,1\r
+ shl eax,cl\r
+ dec eax\r
+ sub bl,cl\r
+ and eax,ebp\r
+ shr ebp,cl\r
+ add edx,eax\r
+ jmp L_check_window\r
+\r
+L_check_window:\r
+; 625 "inffast.S"\r
+ mov [esp+44],esi\r
+ mov eax,edi\r
+ sub eax, [esp+40]\r
+\r
+ cmp eax,edx\r
+ jb L_clip_window\r
+\r
+ mov ecx, [esp+24]\r
+ mov esi,edi\r
+ sub esi,edx\r
+\r
+ sub ecx,3\r
+ mov al, [esi]\r
+ mov [edi],al\r
+ mov al, [esi+1]\r
+ mov dl, [esi+2]\r
+ add esi,3\r
+ mov [edi+1],al\r
+ mov [edi+2],dl\r
+ add edi,3\r
+ rep movsb\r
+\r
+ mov esi, [esp+44]\r
+ jmp L_while_test\r
+\r
+ALIGN 4\r
+L_check_dist_one:\r
+ cmp edx,1\r
+ jne L_check_window\r
+ cmp [esp+40],edi\r
+ je L_check_window\r
+\r
+ dec edi\r
+ mov ecx, [esp+24]\r
+ mov al, [edi]\r
+ sub ecx,3\r
+\r
+ mov [edi+1],al\r
+ mov [edi+2],al\r
+ mov [edi+3],al\r
+ add edi,4\r
+ rep stosb\r
+\r
+ jmp L_while_test\r
+\r
+ALIGN 4\r
+L_test_for_second_level_length:\r
+\r
+\r
+\r
+\r
+ test al,64\r
+ jnz L_test_for_end_of_block\r
+\r
+ mov eax,1\r
+ shl eax,cl\r
+ dec eax\r
+ and eax,ebp\r
+ add eax,edx\r
+ mov edx, [esp+8]\r
+ mov eax, [edx+eax*4]\r
+ jmp L_dolen\r
+\r
+ALIGN 4\r
+L_test_for_second_level_dist:\r
+\r
+\r
+\r
+\r
+ test al,64\r
+ jnz L_invalid_distance_code\r
+\r
+ mov eax,1\r
+ shl eax,cl\r
+ dec eax\r
+ and eax,ebp\r
+ add eax,edx\r
+ mov edx, [esp+12]\r
+ mov eax, [edx+eax*4]\r
+ jmp L_dodist\r
+\r
+ALIGN 4\r
+L_clip_window:\r
+; 721 "inffast.S"\r
+ mov ecx,eax\r
+ mov eax, [esp+52]\r
+ neg ecx\r
+ mov esi, [esp+56]\r
+\r
+ cmp eax,edx\r
+ jb L_invalid_distance_too_far\r
+\r
+ add ecx,edx\r
+ cmp dword ptr [esp+48],0\r
+ jne L_wrap_around_window\r
+\r
+ sub eax,ecx\r
+ add esi,eax\r
+; 749 "inffast.S"\r
+ mov eax, [esp+24]\r
+ cmp eax,ecx\r
+ jbe L_do_copy1\r
+\r
+ sub eax,ecx\r
+ rep movsb\r
+ mov esi,edi\r
+ sub esi,edx\r
+ jmp L_do_copy1\r
+\r
+ cmp eax,ecx\r
+ jbe L_do_copy1\r
+\r
+ sub eax,ecx\r
+ rep movsb\r
+ mov esi,edi\r
+ sub esi,edx\r
+ jmp L_do_copy1\r
+\r
+L_wrap_around_window:\r
+; 793 "inffast.S"\r
+ mov eax, [esp+48]\r
+ cmp ecx,eax\r
+ jbe L_contiguous_in_window\r
+\r
+ add esi, [esp+52]\r
+ add esi,eax\r
+ sub esi,ecx\r
+ sub ecx,eax\r
+\r
+\r
+ mov eax, [esp+24]\r
+ cmp eax,ecx\r
+ jbe L_do_copy1\r
+\r
+ sub eax,ecx\r
+ rep movsb\r
+ mov esi, [esp+56]\r
+ mov ecx, [esp+48]\r
+ cmp eax,ecx\r
+ jbe L_do_copy1\r
+\r
+ sub eax,ecx\r
+ rep movsb\r
+ mov esi,edi\r
+ sub esi,edx\r
+ jmp L_do_copy1\r
+\r
+L_contiguous_in_window:\r
+; 836 "inffast.S"\r
+ add esi,eax\r
+ sub esi,ecx\r
+\r
+\r
+ mov eax, [esp+24]\r
+ cmp eax,ecx\r
+ jbe L_do_copy1\r
+\r
+ sub eax,ecx\r
+ rep movsb\r
+ mov esi,edi\r
+ sub esi,edx\r
+\r
+L_do_copy1:\r
+; 862 "inffast.S"\r
+ mov ecx,eax\r
+ rep movsb\r
+\r
+ mov esi, [esp+44]\r
+ jmp L_while_test\r
+; 878 "inffast.S"\r
+ALIGN 4\r
+L_init_mmx:\r
+ emms\r
+\r
+\r
+\r
+\r
+\r
+ movd mm0,ebp\r
+ mov ebp,ebx\r
+; 896 "inffast.S"\r
+ movd mm4,dword ptr [esp+0]\r
+ movq mm3,mm4\r
+ movd mm5,dword ptr [esp+4]\r
+ movq mm2,mm5\r
+ pxor mm1,mm1\r
+ mov ebx, [esp+8]\r
+ jmp L_do_loop_mmx\r
+\r
+ALIGN 4\r
+L_do_loop_mmx:\r
+ psrlq mm0,mm1\r
+\r
+ cmp ebp,32\r
+ ja L_get_length_code_mmx\r
+\r
+ movd mm6,ebp\r
+ movd mm7,dword ptr [esi]\r
+ add esi,4\r
+ psllq mm7,mm6\r
+ add ebp,32\r
+ por mm0,mm7\r
+\r
+L_get_length_code_mmx:\r
+ pand mm4,mm0\r
+ movd eax,mm4\r
+ movq mm4,mm3\r
+ mov eax, [ebx+eax*4]\r
+\r
+L_dolen_mmx:\r
+ movzx ecx,ah\r
+ movd mm1,ecx\r
+ sub ebp,ecx\r
+\r
+ test al,al\r
+ jnz L_test_for_length_base_mmx\r
+\r
+ shr eax,16\r
+ stosb\r
+\r
+L_while_test_mmx:\r
+\r
+\r
+ cmp [esp+16],edi\r
+ jbe L_break_loop\r
+\r
+ cmp [esp+20],esi\r
+ ja L_do_loop_mmx\r
+ jmp L_break_loop\r
+\r
+L_test_for_length_base_mmx:\r
+\r
+ mov edx,eax\r
+ shr edx,16\r
+\r
+ test al,16\r
+ jz L_test_for_second_level_length_mmx\r
+ and eax,15\r
+ jz L_decode_distance_mmx\r
+\r
+ psrlq mm0,mm1\r
+ movd mm1,eax\r
+ movd ecx,mm0\r
+ sub ebp,eax\r
+ and ecx, [inflate_fast_mask+eax*4]\r
+ add edx,ecx\r
+\r
+L_decode_distance_mmx:\r
+ psrlq mm0,mm1\r
+\r
+ cmp ebp,32\r
+ ja L_get_dist_code_mmx\r
+\r
+ movd mm6,ebp\r
+ movd mm7,dword ptr [esi]\r
+ add esi,4\r
+ psllq mm7,mm6\r
+ add ebp,32\r
+ por mm0,mm7\r
+\r
+L_get_dist_code_mmx:\r
+ mov ebx, [esp+12]\r
+ pand mm5,mm0\r
+ movd eax,mm5\r
+ movq mm5,mm2\r
+ mov eax, [ebx+eax*4]\r
+\r
+L_dodist_mmx:\r
+\r
+ movzx ecx,ah\r
+ mov ebx,eax\r
+ shr ebx,16\r
+ sub ebp,ecx\r
+ movd mm1,ecx\r
+\r
+ test al,16\r
+ jz L_test_for_second_level_dist_mmx\r
+ and eax,15\r
+ jz L_check_dist_one_mmx\r
+\r
+L_add_bits_to_dist_mmx:\r
+ psrlq mm0,mm1\r
+ movd mm1,eax\r
+ movd ecx,mm0\r
+ sub ebp,eax\r
+ and ecx, [inflate_fast_mask+eax*4]\r
+ add ebx,ecx\r
+\r
+L_check_window_mmx:\r
+ mov [esp+44],esi\r
+ mov eax,edi\r
+ sub eax, [esp+40]\r
+\r
+ cmp eax,ebx\r
+ jb L_clip_window_mmx\r
+\r
+ mov ecx,edx\r
+ mov esi,edi\r
+ sub esi,ebx\r
+\r
+ sub ecx,3\r
+ mov al, [esi]\r
+ mov [edi],al\r
+ mov al, [esi+1]\r
+ mov dl, [esi+2]\r
+ add esi,3\r
+ mov [edi+1],al\r
+ mov [edi+2],dl\r
+ add edi,3\r
+ rep movsb\r
+\r
+ mov esi, [esp+44]\r
+ mov ebx, [esp+8]\r
+ jmp L_while_test_mmx\r
+\r
+ALIGN 4\r
+L_check_dist_one_mmx:\r
+ cmp ebx,1\r
+ jne L_check_window_mmx\r
+ cmp [esp+40],edi\r
+ je L_check_window_mmx\r
+\r
+ dec edi\r
+ mov ecx,edx\r
+ mov al, [edi]\r
+ sub ecx,3\r
+\r
+ mov [edi+1],al\r
+ mov [edi+2],al\r
+ mov [edi+3],al\r
+ add edi,4\r
+ rep stosb\r
+\r
+ mov ebx, [esp+8]\r
+ jmp L_while_test_mmx\r
+\r
+ALIGN 4\r
+L_test_for_second_level_length_mmx:\r
+ test al,64\r
+ jnz L_test_for_end_of_block\r
+\r
+ and eax,15\r
+ psrlq mm0,mm1\r
+ movd ecx,mm0\r
+ and ecx, [inflate_fast_mask+eax*4]\r
+ add ecx,edx\r
+ mov eax, [ebx+ecx*4]\r
+ jmp L_dolen_mmx\r
+\r
+ALIGN 4\r
+L_test_for_second_level_dist_mmx:\r
+ test al,64\r
+ jnz L_invalid_distance_code\r
+\r
+ and eax,15\r
+ psrlq mm0,mm1\r
+ movd ecx,mm0\r
+ and ecx, [inflate_fast_mask+eax*4]\r
+ mov eax, [esp+12]\r
+ add ecx,ebx\r
+ mov eax, [eax+ecx*4]\r
+ jmp L_dodist_mmx\r
+\r
+ALIGN 4\r
+L_clip_window_mmx:\r
+\r
+ mov ecx,eax\r
+ mov eax, [esp+52]\r
+ neg ecx\r
+ mov esi, [esp+56]\r
+\r
+ cmp eax,ebx\r
+ jb L_invalid_distance_too_far\r
+\r
+ add ecx,ebx\r
+ cmp dword ptr [esp+48],0\r
+ jne L_wrap_around_window_mmx\r
+\r
+ sub eax,ecx\r
+ add esi,eax\r
+\r
+ cmp edx,ecx\r
+ jbe L_do_copy1_mmx\r
+\r
+ sub edx,ecx\r
+ rep movsb\r
+ mov esi,edi\r
+ sub esi,ebx\r
+ jmp L_do_copy1_mmx\r
+\r
+ cmp edx,ecx\r
+ jbe L_do_copy1_mmx\r
+\r
+ sub edx,ecx\r
+ rep movsb\r
+ mov esi,edi\r
+ sub esi,ebx\r
+ jmp L_do_copy1_mmx\r
+\r
+L_wrap_around_window_mmx:\r
+\r
+ mov eax, [esp+48]\r
+ cmp ecx,eax\r
+ jbe L_contiguous_in_window_mmx\r
+\r
+ add esi, [esp+52]\r
+ add esi,eax\r
+ sub esi,ecx\r
+ sub ecx,eax\r
+\r
+\r
+ cmp edx,ecx\r
+ jbe L_do_copy1_mmx\r
+\r
+ sub edx,ecx\r
+ rep movsb\r
+ mov esi, [esp+56]\r
+ mov ecx, [esp+48]\r
+ cmp edx,ecx\r
+ jbe L_do_copy1_mmx\r
+\r
+ sub edx,ecx\r
+ rep movsb\r
+ mov esi,edi\r
+ sub esi,ebx\r
+ jmp L_do_copy1_mmx\r
+\r
+L_contiguous_in_window_mmx:\r
+\r
+ add esi,eax\r
+ sub esi,ecx\r
+\r
+\r
+ cmp edx,ecx\r
+ jbe L_do_copy1_mmx\r
+\r
+ sub edx,ecx\r
+ rep movsb\r
+ mov esi,edi\r
+ sub esi,ebx\r
+\r
+L_do_copy1_mmx:\r
+\r
+\r
+ mov ecx,edx\r
+ rep movsb\r
+\r
+ mov esi, [esp+44]\r
+ mov ebx, [esp+8]\r
+ jmp L_while_test_mmx\r
+; 1174 "inffast.S"\r
+L_invalid_distance_code:\r
+\r
+\r
+\r
+\r
+\r
+ mov ecx, invalid_distance_code_msg\r
+ mov edx,INFLATE_MODE_BAD\r
+ jmp L_update_stream_state\r
+\r
+L_test_for_end_of_block:\r
+\r
+\r
+\r
+\r
+\r
+ test al,32\r
+ jz L_invalid_literal_length_code\r
+\r
+ mov ecx,0\r
+ mov edx,INFLATE_MODE_TYPE\r
+ jmp L_update_stream_state\r
+\r
+L_invalid_literal_length_code:\r
+\r
+\r
+\r
+\r
+\r
+ mov ecx, invalid_literal_length_code_msg\r
+ mov edx,INFLATE_MODE_BAD\r
+ jmp L_update_stream_state\r
+\r
+L_invalid_distance_too_far:\r
+\r
+\r
+\r
+ mov esi, [esp+44]\r
+ mov ecx, invalid_distance_too_far_msg\r
+ mov edx,INFLATE_MODE_BAD\r
+ jmp L_update_stream_state\r
+\r
+L_update_stream_state:\r
+\r
+ mov eax, [esp+88]\r
+ test ecx,ecx\r
+ jz L_skip_msg\r
+ mov [eax+24],ecx\r
+L_skip_msg:\r
+ mov eax, [eax+28]\r
+ mov [eax+mode_state],edx\r
+ jmp L_break_loop\r
+\r
+ALIGN 4\r
+L_break_loop:\r
+; 1243 "inffast.S"\r
+ cmp dword ptr [inflate_fast_use_mmx],2\r
+ jne L_update_next_in\r
+\r
+\r
+\r
+ mov ebx,ebp\r
+\r
+L_update_next_in:\r
+; 1266 "inffast.S"\r
+ mov eax, [esp+88]\r
+ mov ecx,ebx\r
+ mov edx, [eax+28]\r
+ shr ecx,3\r
+ sub esi,ecx\r
+ shl ecx,3\r
+ sub ebx,ecx\r
+ mov [eax+12],edi\r
+ mov [edx+bits_state],ebx\r
+ mov ecx,ebx\r
+\r
+ lea ebx, [esp+28]\r
+ cmp [esp+20],ebx\r
+ jne L_buf_not_used\r
+\r
+ sub esi,ebx\r
+ mov ebx, [eax+0]\r
+ mov [esp+20],ebx\r
+ add esi,ebx\r
+ mov ebx, [eax+4]\r
+ sub ebx,11\r
+ add [esp+20],ebx\r
+\r
+L_buf_not_used:\r
+ mov [eax+0],esi\r
+\r
+ mov ebx,1\r
+ shl ebx,cl\r
+ dec ebx\r
+\r
+\r
+\r
+\r
+\r
+ cmp dword ptr [inflate_fast_use_mmx],2\r
+ jne L_update_hold\r
+\r
+\r
+\r
+ psrlq mm0,mm1\r
+ movd ebp,mm0\r
+\r
+ emms\r
+\r
+L_update_hold:\r
+\r
+\r
+\r
+ and ebp,ebx\r
+ mov [edx+hold_state],ebp\r
+\r
+\r
+\r
+\r
+ mov ebx, [esp+20]\r
+ cmp ebx,esi\r
+ jbe L_last_is_smaller\r
+\r
+ sub ebx,esi\r
+ add ebx,11\r
+ mov [eax+4],ebx\r
+ jmp L_fixup_out\r
+L_last_is_smaller:\r
+ sub esi,ebx\r
+ neg esi\r
+ add esi,11\r
+ mov [eax+4],esi\r
+\r
+\r
+\r
+\r
+L_fixup_out:\r
+\r
+ mov ebx, [esp+16]\r
+ cmp ebx,edi\r
+ jbe L_end_is_smaller\r
+\r
+ sub ebx,edi\r
+ add ebx,257\r
+ mov [eax+16],ebx\r
+ jmp L_done\r
+L_end_is_smaller:\r
+ sub edi,ebx\r
+ neg edi\r
+ add edi,257\r
+ mov [eax+16],edi\r
+\r
+\r
+\r
+\r
+\r
+L_done:\r
+ add esp,64\r
+ popfd\r
+ pop ebx\r
+ pop ebp\r
+ pop esi\r
+ pop edi\r
+ ret\r
+_inflate_fast endp\r
+\r
+_TEXT ends\r
+end\r
projects / ossec-hids.git / blobdiff