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Copy path18_1_en.asm
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18_1_en.asm
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; int __cdecl f(int, int *, int *, int *)
public ?f@@YAHHPAH00@Z
?f@@YAHHPAH00@Z proc near
var_10 = dword ptr -10h
sz = dword ptr 4
ar1 = dword ptr 8
ar2 = dword ptr 0Ch
ar3 = dword ptr 10h
push edi
push esi
push ebx
push esi
mov edx, [esp+10h+sz]
test edx, edx
jle loc_15B
mov eax, [esp+10h+ar3]
cmp edx, 6
jle loc_143
cmp eax, [esp+10h+ar2]
jbe short loc_36
mov esi, [esp+10h+ar2]
sub esi, eax
lea ecx, ds:0[edx*4]
neg esi
cmp ecx, esi
jbe short loc_55
loc_36: ; CODE XREF: f(int,int *,int *,int *)+21
cmp eax, [esp+10h+ar2]
jnb loc_143
mov esi, [esp+10h+ar2]
sub esi, eax
lea ecx, ds:0[edx*4]
cmp esi, ecx
jb loc_143
loc_55: ; CODE XREF: f(int,int *,int *,int *)+34
cmp eax, [esp+10h+ar1]
jbe short loc_67
mov esi, [esp+10h+ar1]
sub esi, eax
neg esi
cmp ecx, esi
jbe short loc_7F
loc_67: ; CODE XREF: f(int,int *,int *,int *)+59
cmp eax, [esp+10h+ar1]
jnb loc_143
mov esi, [esp+10h+ar1]
sub esi, eax
cmp esi, ecx
jb loc_143
loc_7F: ; CODE XREF: f(int,int *,int *,int *)+65
mov edi, eax ; edi = ar1
and edi, 0Fh ; is ar1 16-byte aligned?
jz short loc_9A ; yes
test edi, 3
jnz loc_162
neg edi
add edi, 10h
shr edi, 2
loc_9A: ; CODE XREF: f(int,int *,int *,int *)+84
lea ecx, [edi+4]
cmp edx, ecx
jl loc_162
mov ecx, edx
sub ecx, edi
and ecx, 3
neg ecx
add ecx, edx
test edi, edi
jbe short loc_D6
mov ebx, [esp+10h+ar2]
mov [esp+10h+var_10], ecx
mov ecx, [esp+10h+ar1]
xor esi, esi
loc_C1: ; CODE XREF: f(int,int *,int *,int *)+CD
mov edx, [ecx+esi*4]
add edx, [ebx+esi*4]
mov [eax+esi*4], edx
inc esi
cmp esi, edi
jb short loc_C1
mov ecx, [esp+10h+var_10]
mov edx, [esp+10h+sz]
loc_D6: ; CODE XREF: f(int,int *,int *,int *)+B2
mov esi, [esp+10h+ar2]
lea esi, [esi+edi*4] ; is ar2+i*4 16-byte aligned?
test esi, 0Fh
jz short loc_109 ; yes!
mov ebx, [esp+10h+ar1]
mov esi, [esp+10h+ar2]
loc_ED: ; CODE XREF: f(int,int *,int *,int *)+105
movdqu xmm1, xmmword ptr [ebx+edi*4]
movdqu xmm0, xmmword ptr [esi+edi*4] ; ar2+i*4 is not 16-byte aligned, so load it to xmm0
paddd xmm1, xmm0
movdqa xmmword ptr [eax+edi*4], xmm1
add edi, 4
cmp edi, ecx
jb short loc_ED
jmp short loc_127
; ---------------------------------------------------------------------------
loc_109: ; CODE XREF: f(int,int *,int *,int *)+E3
mov ebx, [esp+10h+ar1]
mov esi, [esp+10h+ar2]
loc_111: ; CODE XREF: f(int,int *,int *,int *)+125
movdqu xmm0, xmmword ptr [ebx+edi*4]
paddd xmm0, xmmword ptr [esi+edi*4]
movdqa xmmword ptr [eax+edi*4], xmm0
add edi, 4
cmp edi, ecx
jb short loc_111
loc_127: ; CODE XREF: f(int,int *,int *,int *)+107
; f(int,int *,int *,int *)+164
cmp ecx, edx
jnb short loc_15B
mov esi, [esp+10h+ar1]
mov edi, [esp+10h+ar2]
loc_133: ; CODE XREF: f(int,int *,int *,int *)+13F
mov ebx, [esi+ecx*4]
add ebx, [edi+ecx*4]
mov [eax+ecx*4], ebx
inc ecx
cmp ecx, edx
jb short loc_133
jmp short loc_15B
; ---------------------------------------------------------------------------
loc_143: ; CODE XREF: f(int,int *,int *,int *)+17
; f(int,int *,int *,int *)+3A ...
mov esi, [esp+10h+ar1]
mov edi, [esp+10h+ar2]
xor ecx, ecx
loc_14D: ; CODE XREF: f(int,int *,int *,int *)+159
mov ebx, [esi+ecx*4]
add ebx, [edi+ecx*4]
mov [eax+ecx*4], ebx
inc ecx
cmp ecx, edx
jb short loc_14D
loc_15B: ; CODE XREF: f(int,int *,int *,int *)+A
; f(int,int *,int *,int *)+129 ...
xor eax, eax
pop ecx
pop ebx
pop esi
pop edi
retn
; ---------------------------------------------------------------------------
loc_162: ; CODE XREF: f(int,int *,int *,int *)+8C
; f(int,int *,int *,int *)+9F
xor ecx, ecx
jmp short loc_127
?f@@YAHHPAH00@Z endp