; 75 "inffast.S";FILE "inffast.S";;;GLOBAL _inflate_fast;;;SECTION .text	.586p	.mmx	name	inflate_fast_x86	.MODEL	FLAT_DATA			segmentinflate_fast_use_mmx:	dd	1_TEXT			segmentPUBLIC _inflate_fastALIGN 4_inflate_fast:	jmp inflate_fast_entryALIGN 4	db	'Fast decoding Code from Chris Anderson'	db	0ALIGN 4invalid_literal_length_code_msg:	db	'invalid literal/length code'	db	0ALIGN 4invalid_distance_code_msg:	db	'invalid distance code'	db	0ALIGN 4invalid_distance_too_far_msg:	db	'invalid distance too far back'	db	0ALIGN 4inflate_fast_mask:dd	0dd	1dd	3dd	7dd	15dd	31dd	63dd	127dd	255dd	511dd	1023dd	2047dd	4095dd	8191dd	16383dd	32767dd	65535dd	131071dd	262143dd	524287dd	1048575dd	2097151dd	4194303dd	8388607dd	16777215dd	33554431dd	67108863dd	134217727dd	268435455dd	536870911dd	1073741823dd	2147483647dd	4294967295mode_state	 equ	0	;/* state->mode	*/wsize_state	 equ	32	;/* state->wsize */write_state	 equ	(36+4)	;/* state->write */window_state	 equ	(40+4)	;/* state->window */hold_state	 equ	(44+4)	;/* state->hold	*/bits_state	 equ	(48+4)	;/* state->bits	*/lencode_state	 equ	(64+4)	;/* state->lencode */distcode_state	 equ	(68+4)	;/* state->distcode */lenbits_state	 equ	(72+4)	;/* state->lenbits */distbits_state	 equ	(76+4)	;/* state->distbits */;;SECTION .text; 205 "inffast.S";GLOBAL	inflate_fast_use_mmx;SECTION .data; GLOBAL inflate_fast_use_mmx:object;.size inflate_fast_use_mmx, 4; 226 "inffast.S";SECTION .textALIGN 4inflate_fast_entry:	push  edi	push  esi	push  ebp	push  ebx	pushfd	sub  esp,64	cld	mov  esi, [esp+88]	mov  edi, [esi+28]	mov  edx, [esi+4]	mov  eax, [esi+0]	add  edx,eax	sub  edx,11	mov  [esp+44],eax	mov  [esp+20],edx	mov  ebp, [esp+92]	mov  ecx, [esi+16]	mov  ebx, [esi+12]	sub  ebp,ecx	neg  ebp	add  ebp,ebx	sub  ecx,257	add  ecx,ebx	mov  [esp+60],ebx	mov  [esp+40],ebp	mov  [esp+16],ecx; 285 "inffast.S"	mov  eax, [edi+lencode_state]	mov  ecx, [edi+distcode_state]	mov  [esp+8],eax	mov  [esp+12],ecx	mov  eax,1	mov  ecx, [edi+lenbits_state]	shl  eax,cl	dec  eax	mov  [esp+0],eax	mov  eax,1	mov  ecx, [edi+distbits_state]	shl  eax,cl	dec  eax	mov  [esp+4],eax	mov  eax, [edi+wsize_state]	mov  ecx, [edi+write_state]	mov  edx, [edi+window_state]	mov  [esp+52],eax	mov  [esp+48],ecx	mov  [esp+56],edx	mov  ebp, [edi+hold_state]	mov  ebx, [edi+bits_state]; 321 "inffast.S"	mov  esi, [esp+44]	mov  ecx, [esp+20]	cmp  ecx,esi	ja   L_align_long	add  ecx,11	sub  ecx,esi	mov  eax,12	sub  eax,ecx	lea  edi, [esp+28]	rep movsb	mov  ecx,eax	xor  eax,eax	rep stosb	lea  esi, [esp+28]	mov  [esp+20],esi	jmp  L_is_alignedL_align_long:	test  esi,3	jz   L_is_aligned	xor  eax,eax	mov  al, [esi]	inc  esi	mov  ecx,ebx	add  ebx,8	shl  eax,cl	or  ebp,eax	jmp L_align_longL_is_aligned:	mov  edi, [esp+60]; 366 "inffast.S"L_check_mmx:	cmp  dword ptr [inflate_fast_use_mmx],2	je   L_init_mmx	ja   L_do_loop	push  eax	push  ebx	push  ecx	push  edx	pushfd	mov  eax, [esp]	xor  dword ptr [esp],0200000h	popfd	pushfd	pop  edx	xor  edx,eax	jz   L_dont_use_mmx	xor  eax,eax	cpuid	cmp  ebx,0756e6547h	jne  L_dont_use_mmx	cmp  ecx,06c65746eh	jne  L_dont_use_mmx	cmp  edx,049656e69h	jne  L_dont_use_mmx	mov  eax,1	cpuid	shr  eax,8	and  eax,15	cmp  eax,6	jne  L_dont_use_mmx	test  edx,0800000h	jnz  L_use_mmx	jmp  L_dont_use_mmxL_use_mmx:	mov  dword ptr [inflate_fast_use_mmx],2	jmp  L_check_mmx_popL_dont_use_mmx:	mov  dword ptr [inflate_fast_use_mmx],3L_check_mmx_pop:	pop  edx	pop  ecx	pop  ebx	pop  eax	jmp  L_check_mmx; 426 "inffast.S"ALIGN 4L_do_loop:; 437 "inffast.S"	cmp  bl,15	ja   L_get_length_code	xor  eax,eax	lodsw	mov  cl,bl	add  bl,16	shl  eax,cl	or  ebp,eaxL_get_length_code:	mov  edx, [esp+0]	mov  ecx, [esp+8]	and  edx,ebp	mov  eax, [ecx+edx*4]L_dolen:	mov  cl,ah	sub  bl,ah	shr  ebp,cl	test  al,al	jnz   L_test_for_length_base	shr  eax,16	stosbL_while_test:	cmp  [esp+16],edi	jbe  L_break_loop	cmp  [esp+20],esi	ja   L_do_loop	jmp  L_break_loopL_test_for_length_base:; 502 "inffast.S"	mov  edx,eax	shr  edx,16	mov  cl,al	test  al,16	jz   L_test_for_second_level_length	and  cl,15	jz   L_save_len	cmp  bl,cl	jae  L_add_bits_to_len	mov  ch,cl	xor  eax,eax	lodsw	mov  cl,bl	add  bl,16	shl  eax,cl	or  ebp,eax	mov  cl,chL_add_bits_to_len:	mov  eax,1	shl  eax,cl	dec  eax	sub  bl,cl	and  eax,ebp	shr  ebp,cl	add  edx,eaxL_save_len:	mov  [esp+24],edxL_decode_distance:; 549 "inffast.S"	cmp  bl,15	ja   L_get_distance_code	xor  eax,eax	lodsw	mov  cl,bl	add  bl,16	shl  eax,cl	or  ebp,eaxL_get_distance_code:	mov  edx, [esp+4]	mov  ecx, [esp+12]	and  edx,ebp	mov  eax, [ecx+edx*4]L_dodist:	mov  edx,eax	shr  edx,16	mov  cl,ah	sub  bl,ah	shr  ebp,cl; 584 "inffast.S"	mov  cl,al	test  al,16	jz  L_test_for_second_level_dist	and  cl,15	jz  L_check_dist_one	cmp  bl,cl	jae  L_add_bits_to_dist	mov  ch,cl	xor  eax,eax	lodsw	mov  cl,bl	add  bl,16	shl  eax,cl	or  ebp,eax	mov  cl,chL_add_bits_to_dist:	mov  eax,1	shl  eax,cl	dec  eax	sub  bl,cl	and  eax,ebp	shr  ebp,cl	add  edx,eax	jmp  L_check_windowL_check_window:; 625 "inffast.S"	mov  [esp+44],esi	mov  eax,edi	sub  eax, [esp+40]	cmp  eax,edx	jb   L_clip_window	mov  ecx, [esp+24]	mov  esi,edi	sub  esi,edx	sub  ecx,3	mov  al, [esi]	mov  [edi],al	mov  al, [esi+1]	mov  dl, [esi+2]	add  esi,3	mov  [edi+1],al	mov  [edi+2],dl	add  edi,3	rep movsb	mov  esi, [esp+44]	jmp  L_while_testALIGN 4L_check_dist_one:	cmp  edx,1	jne  L_check_window	cmp  [esp+40],edi	je  L_check_window	dec  edi	mov  ecx, [esp+24]	mov  al, [edi]	sub  ecx,3	mov  [edi+1],al	mov  [edi+2],al	mov  [edi+3],al	add  edi,4	rep stosb	jmp  L_while_testALIGN 4L_test_for_second_level_length:	test  al,64	jnz   L_test_for_end_of_block	mov  eax,1	shl  eax,cl	dec  eax	and  eax,ebp	add  eax,edx	mov  edx, [esp+8]	mov  eax, [edx+eax*4]	jmp  L_dolenALIGN 4L_test_for_second_level_dist:	test  al,64	jnz   L_invalid_distance_code	mov  eax,1	shl  eax,cl	dec  eax	and  eax,ebp	add  eax,edx	mov  edx, [esp+12]	mov  eax, [edx+eax*4]	jmp  L_dodistALIGN 4L_clip_window:; 721 "inffast.S"	mov  ecx,eax	mov  eax, [esp+52]	neg  ecx	mov  esi, [esp+56]	cmp  eax,edx	jb   L_invalid_distance_too_far	add  ecx,edx	cmp  dword ptr [esp+48],0	jne  L_wrap_around_window	sub  eax,ecx	add  esi,eax; 749 "inffast.S"	mov  eax, [esp+24]	cmp  eax,ecx	jbe  L_do_copy1	sub  eax,ecx	rep movsb	mov  esi,edi	sub  esi,edx	jmp  L_do_copy1	cmp  eax,ecx	jbe  L_do_copy1	sub  eax,ecx	rep movsb	mov  esi,edi	sub  esi,edx	jmp  L_do_copy1L_wrap_around_window:; 793 "inffast.S"	mov  eax, [esp+48]	cmp  ecx,eax	jbe  L_contiguous_in_window	add  esi, [esp+52]	add  esi,eax	sub  esi,ecx	sub  ecx,eax	mov  eax, [esp+24]	cmp  eax,ecx	jbe  L_do_copy1	sub  eax,ecx	rep movsb	mov  esi, [esp+56]	mov  ecx, [esp+48]	cmp  eax,ecx	jbe  L_do_copy1	sub  eax,ecx	rep movsb	mov  esi,edi	sub  esi,edx	jmp  L_do_copy1L_contiguous_in_window:; 836 "inffast.S"	add  esi,eax	sub  esi,ecx	mov  eax, [esp+24]	cmp  eax,ecx	jbe  L_do_copy1	sub  eax,ecx	rep movsb	mov  esi,edi	sub  esi,edxL_do_copy1:; 862 "inffast.S"	mov  ecx,eax	rep movsb	mov  esi, [esp+44]	jmp  L_while_test; 878 "inffast.S"ALIGN 4L_init_mmx:	emms	movd mm0,ebp	mov  ebp,ebx; 896 "inffast.S"	movd mm4,[esp+0]	movq mm3,mm4	movd mm5,[esp+4]	movq mm2,mm5	pxor mm1,mm1	mov  ebx, [esp+8]	jmp  L_do_loop_mmxALIGN 4L_do_loop_mmx:	psrlq mm0,mm1	cmp  ebp,32	ja  L_get_length_code_mmx	movd mm6,ebp	movd mm7,[esi]	add  esi,4	psllq mm7,mm6	add  ebp,32	por mm0,mm7L_get_length_code_mmx:	pand mm4,mm0	movd eax,mm4	movq mm4,mm3	mov  eax, [ebx+eax*4]L_dolen_mmx:	movzx  ecx,ah	movd mm1,ecx	sub  ebp,ecx	test  al,al	jnz L_test_for_length_base_mmx	shr  eax,16	stosbL_while_test_mmx:	cmp  [esp+16],edi	jbe L_break_loop	cmp  [esp+20],esi	ja L_do_loop_mmx	jmp L_break_loopL_test_for_length_base_mmx:	mov  edx,eax	shr  edx,16	test  al,16	jz  L_test_for_second_level_length_mmx	and  eax,15	jz L_decode_distance_mmx	psrlq mm0,mm1	movd mm1,eax	movd ecx,mm0	sub  ebp,eax	and  ecx, [inflate_fast_mask+eax*4]	add  edx,ecxL_decode_distance_mmx:	psrlq mm0,mm1	cmp  ebp,32	ja L_get_dist_code_mmx	movd mm6,ebp	movd mm7,[esi]	add  esi,4	psllq mm7,mm6	add  ebp,32	por mm0,mm7L_get_dist_code_mmx:	mov  ebx, [esp+12]	pand mm5,mm0	movd eax,mm5	movq mm5,mm2	mov  eax, [ebx+eax*4]L_dodist_mmx:	movzx  ecx,ah	mov  ebx,eax	shr  ebx,16	sub  ebp,ecx	movd mm1,ecx	test  al,16	jz L_test_for_second_level_dist_mmx	and  eax,15	jz L_check_dist_one_mmxL_add_bits_to_dist_mmx:	psrlq mm0,mm1	movd mm1,eax	movd ecx,mm0	sub  ebp,eax	and  ecx, [inflate_fast_mask+eax*4]	add  ebx,ecxL_check_window_mmx:	mov  [esp+44],esi	mov  eax,edi	sub  eax, [esp+40]	cmp  eax,ebx	jb L_clip_window_mmx	mov  ecx,edx	mov  esi,edi	sub  esi,ebx	sub  ecx,3	mov  al, [esi]	mov  [edi],al	mov  al, [esi+1]	mov  dl, [esi+2]	add  esi,3	mov  [edi+1],al	mov  [edi+2],dl	add  edi,3	rep movsb	mov  esi, [esp+44]	mov  ebx, [esp+8]	jmp  L_while_test_mmxALIGN 4L_check_dist_one_mmx:	cmp  ebx,1	jne  L_check_window_mmx	cmp  [esp+40],edi	je   L_check_window_mmx	dec  edi	mov  ecx,edx	mov  al, [edi]	sub  ecx,3	mov  [edi+1],al	mov  [edi+2],al	mov  [edi+3],al	add  edi,4	rep stosb	mov  ebx, [esp+8]	jmp  L_while_test_mmxALIGN 4L_test_for_second_level_length_mmx:	test  al,64	jnz L_test_for_end_of_block	and  eax,15	psrlq mm0,mm1	movd ecx,mm0	and  ecx, [inflate_fast_mask+eax*4]	add  ecx,edx	mov  eax, [ebx+ecx*4]	jmp L_dolen_mmxALIGN 4L_test_for_second_level_dist_mmx:	test  al,64	jnz L_invalid_distance_code	and  eax,15	psrlq mm0,mm1	movd ecx,mm0	and  ecx, [inflate_fast_mask+eax*4]	mov  eax, [esp+12]	add  ecx,ebx	mov  eax, [eax+ecx*4]	jmp  L_dodist_mmxALIGN 4L_clip_window_mmx:	mov  ecx,eax	mov  eax, [esp+52]	neg  ecx	mov  esi, [esp+56]	cmp  eax,ebx	jb  L_invalid_distance_too_far	add  ecx,ebx	cmp  dword ptr [esp+48],0	jne  L_wrap_around_window_mmx	sub  eax,ecx	add  esi,eax	cmp  edx,ecx	jbe  L_do_copy1_mmx	sub  edx,ecx	rep movsb	mov  esi,edi	sub  esi,ebx	jmp  L_do_copy1_mmx	cmp  edx,ecx	jbe  L_do_copy1_mmx	sub  edx,ecx	rep movsb	mov  esi,edi	sub  esi,ebx	jmp  L_do_copy1_mmxL_wrap_around_window_mmx:	mov  eax, [esp+48]	cmp  ecx,eax	jbe  L_contiguous_in_window_mmx	add  esi, [esp+52]	add  esi,eax	sub  esi,ecx	sub  ecx,eax	cmp  edx,ecx	jbe  L_do_copy1_mmx	sub  edx,ecx	rep movsb	mov  esi, [esp+56]	mov  ecx, [esp+48]	cmp  edx,ecx	jbe  L_do_copy1_mmx	sub  edx,ecx	rep movsb	mov  esi,edi	sub  esi,ebx	jmp  L_do_copy1_mmxL_contiguous_in_window_mmx:	add  esi,eax	sub  esi,ecx	cmp  edx,ecx	jbe  L_do_copy1_mmx	sub  edx,ecx	rep movsb	mov  esi,edi	sub  esi,ebxL_do_copy1_mmx:	mov  ecx,edx	rep movsb	mov  esi, [esp+44]	mov  ebx, [esp+8]	jmp  L_while_test_mmx; 1174 "inffast.S"L_invalid_distance_code:	mov  ecx, invalid_distance_code_msg	mov  edx,26	jmp  L_update_stream_stateL_test_for_end_of_block:	test  al,32	jz  L_invalid_literal_length_code	mov  ecx,0	mov  edx,11	jmp  L_update_stream_stateL_invalid_literal_length_code:	mov  ecx, invalid_literal_length_code_msg	mov  edx,26	jmp  L_update_stream_stateL_invalid_distance_too_far:	mov  esi, [esp+44]	mov  ecx, invalid_distance_too_far_msg	mov  edx,26	jmp  L_update_stream_stateL_update_stream_state:	mov  eax, [esp+88]	test  ecx,ecx	jz  L_skip_msg	mov  [eax+24],ecxL_skip_msg:	mov  eax, [eax+28]	mov  [eax+mode_state],edx	jmp  L_break_loopALIGN 4L_break_loop:; 1243 "inffast.S"	cmp  dword ptr [inflate_fast_use_mmx],2	jne  L_update_next_in	mov  ebx,ebpL_update_next_in:; 1266 "inffast.S"	mov  eax, [esp+88]	mov  ecx,ebx	mov  edx, [eax+28]	shr  ecx,3	sub  esi,ecx	shl  ecx,3	sub  ebx,ecx	mov  [eax+12],edi	mov  [edx+bits_state],ebx	mov  ecx,ebx	lea  ebx, [esp+28]	cmp  [esp+20],ebx	jne  L_buf_not_used	sub  esi,ebx	mov  ebx, [eax+0]	mov  [esp+20],ebx	add  esi,ebx	mov  ebx, [eax+4]	sub  ebx,11	add  [esp+20],ebxL_buf_not_used:	mov  [eax+0],esi	mov  ebx,1	shl  ebx,cl	dec  ebx	cmp  dword ptr [inflate_fast_use_mmx],2	jne  L_update_hold	psrlq mm0,mm1	movd ebp,mm0	emmsL_update_hold:	and  ebp,ebx	mov  [edx+hold_state],ebp	mov  ebx, [esp+20]	cmp  ebx,esi	jbe  L_last_is_smaller	sub  ebx,esi	add  ebx,11	mov  [eax+4],ebx	jmp  L_fixup_outL_last_is_smaller:	sub  esi,ebx	neg  esi	add  esi,11	mov  [eax+4],esiL_fixup_out:	mov  ebx, [esp+16]	cmp  ebx,edi	jbe  L_end_is_smaller	sub  ebx,edi	add  ebx,257	mov  [eax+16],ebx	jmp  L_doneL_end_is_smaller:	sub  edi,ebx	neg  edi	add  edi,257	mov  [eax+16],ediL_done:	add  esp,64	popfd	pop  ebx	pop  ebp	pop  esi	pop  edi	ret_TEXT	endsend