📄 inffas32.asm
字号:
mov edx, [esp+12]
mov eax, [edx+eax*4]
jmp L_dodist
ALIGN 4
L_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_copy1
L_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_copy1
L_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,edx
L_do_copy1:
; 862 "inffast.S"
mov ecx,eax
rep movsb
mov esi, [esp+44]
jmp L_while_test
; 878 "inffast.S"
ALIGN 4
L_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_mmx
ALIGN 4
L_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,mm7
L_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
stosb
L_while_test_mmx:
cmp [esp+16],edi
jbe L_break_loop
cmp [esp+20],esi
ja L_do_loop_mmx
jmp L_break_loop
L_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,ecx
L_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,mm7
L_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_mmx
L_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,ecx
L_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_mmx
ALIGN 4
L_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_mmx
ALIGN 4
L_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_mmx
ALIGN 4
L_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_mmx
ALIGN 4
L_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_mmx
L_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_mmx
L_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,ebx
L_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,INFLATE_MODE_BAD
jmp L_update_stream_state
L_test_for_end_of_block:
test al,32
jz L_invalid_literal_length_code
mov ecx,0
mov edx,INFLATE_MODE_TYPE
jmp L_update_stream_state
L_invalid_literal_length_code:
mov ecx, invalid_literal_length_code_msg
mov edx,INFLATE_MODE_BAD
jmp L_update_stream_state
L_invalid_distance_too_far:
mov esi, [esp+44]
mov ecx, invalid_distance_too_far_msg
mov edx,INFLATE_MODE_BAD
jmp L_update_stream_state
L_update_stream_state:
mov eax, [esp+88]
test ecx,ecx
jz L_skip_msg
mov [eax+24],ecx
L_skip_msg:
mov eax, [eax+28]
mov [eax+mode_state],edx
jmp L_break_loop
ALIGN 4
L_break_loop:
; 1243 "inffast.S"
cmp dword ptr [inflate_fast_use_mmx],2
jne L_update_next_in
mov ebx,ebp
L_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],ebx
L_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
emms
L_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_out
L_last_is_smaller:
sub esi,ebx
neg esi
add esi,11
mov [eax+4],esi
L_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_done
L_end_is_smaller:
sub edi,ebx
neg edi
add edi,257
mov [eax+16],edi
L_done:
add esp,64
popfd
pop ebx
pop ebp
pop esi
pop edi
ret
_TEXT ends
end
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