ref: fe23d53acc637eac7e54cd566a1a22141792c8da
dir: /codec/encoder/core/x86/intra_pred.asm/
;*!
;* \copy
;* Copyright (c) 2009-2013, Cisco Systems
;* All rights reserved.
;*
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;*
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;* notice, this list of conditions and the following disclaimer.
;*
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;* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
;* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
;* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
;* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
;* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
;* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
;* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
;* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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;* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
;* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
;* POSSIBILITY OF SUCH DAMAGE.
;*
;*
;* intra_pred.asm
;*
;* Abstract
;* sse2 function for intra predict operations
;*
;* History
;* 18/09/2009 Created
;*
;*
;*************************************************************************/
%include "asm_inc.asm"
;***********************************************************************
; Local Data (Read Only)
;***********************************************************************
SECTION .rodata align=16
align 16
sse2_plane_inc_minus dw -7, -6, -5, -4, -3, -2, -1, 0
align 16
sse2_plane_inc dw 1, 2, 3, 4, 5, 6, 7, 8
align 16
sse2_plane_dec dw 8, 7, 6, 5, 4, 3, 2, 1
; for chroma plane mode
sse2_plane_inc_c dw 1, 2, 3, 4
sse2_plane_dec_c dw 4, 3, 2, 1
align 16
sse2_plane_mul_b_c dw -3, -2, -1, 0, 1, 2, 3, 4
align 16
mmx_01bytes: times 16 db 1
align 16
mmx_0x02: dw 0x02, 0x00, 0x00, 0x00
;***********************************************************************
; macros
;***********************************************************************
;dB 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1
;%1 will keep the last result
%macro SSE_DB_1_2REG 2
pxor %1, %1
pcmpeqw %2, %2
psubb %1, %2
%endmacro
;xmm0, xmm1, xmm2, eax, ecx
;lower 64 bits of xmm0 save the result
%macro SSE2_PRED_H_4X4_TWO_LINE 5
movd %1, [%4-1]
movdqa %3, %1
punpcklbw %1, %3
movdqa %3, %1
punpcklbw %1, %3
;add %4, %5
movd %2, [%4+%5-1]
movdqa %3, %2
punpcklbw %2, %3
movdqa %3, %2
punpcklbw %2, %3
punpckldq %1, %2
%endmacro
%macro SUMW_HORIZON1 2
movdqa %2, %1
psrldq %2, 8
paddusw %1, %2
movdqa %2, %1
psrldq %2, 4
paddusw %1, %2
movdqa %2, %1
psrldq %2, 2
paddusw %1, %2
%endmacro
%macro LOAD_COLUMN 6
movd %1, [%5]
movd %2, [%5+%6]
punpcklbw %1, %2
lea %5, [%5+2*%6]
movd %3, [%5]
movd %2, [%5+%6]
punpcklbw %3, %2
punpcklwd %1, %3
lea %5, [%5+2*%6]
movd %4, [%5]
movd %2, [%5+%6]
punpcklbw %4, %2
lea %5, [%5+2*%6]
movd %3, [%5]
movd %2, [%5+%6]
lea %5, [%5+2*%6]
punpcklbw %3, %2
punpcklwd %4, %3
punpckhdq %1, %4
%endmacro
%macro SUMW_HORIZON 3
movhlps %2, %1 ; x2 = xx xx xx xx d7 d6 d5 d4
paddw %1, %2 ; x1 = xx xx xx xx d37 d26 d15 d04
punpcklwd %1, %3 ; x1 = d37 d26 d15 d04
movhlps %2, %1 ; x2 = xxxx xxxx d37 d26
paddd %1, %2 ; x1 = xxxx xxxx d1357 d0246
pshuflw %2, %1, 0x4e ; x2 = xxxx xxxx d0246 d1357
paddd %1, %2 ; x1 = xxxx xxxx xxxx d01234567
%endmacro
%macro COPY_16_TIMES 2
movdqa %2, [%1-16]
psrldq %2, 15
pmuludq %2, [mmx_01bytes]
pshufd %2, %2, 0
%endmacro
%macro COPY_16_TIMESS 3
movdqa %2, [%1+%3-16]
psrldq %2, 15
pmuludq %2, [mmx_01bytes]
pshufd %2, %2, 0
%endmacro
%macro LOAD_COLUMN_C 6
movd %1, [%5]
movd %2, [%5+%6]
punpcklbw %1,%2
lea %5, [%5+2*%6]
movd %3, [%5]
movd %2, [%5+%6]
punpcklbw %3, %2
punpckhwd %1, %3
lea %5, [%5+2*%6]
%endmacro
%macro LOAD_2_LEFT_AND_ADD 0
lea r1, [r1+2*r2]
movzx r4, byte [r1-0x01]
add r3, r4
movzx r4, byte [r1+r2-0x01]
add r3, r4
%endmacro
;***********************************************************************
; Code
;***********************************************************************
SECTION .text
;***********************************************************************
; void WelsI4x4LumaPredH_sse2(uint8_t *pred, uint8_t *pRef, int32_t stride)
;
; pred must align to 16
;***********************************************************************
WELS_EXTERN WelsI4x4LumaPredH_sse2
push r3
%assign push_num 1
LOAD_3_PARA
SIGN_EXTENSION r2, r2d
movzx r3, byte [r1-1]
movd xmm0, r3d
pmuludq xmm0, [mmx_01bytes]
movzx r3, byte [r1+r2-1]
movd xmm1, r3d
pmuludq xmm1, [mmx_01bytes]
unpcklps xmm0, xmm1
lea r1, [r1+r2*2]
movzx r3, byte [r1-1]
movd xmm2, r3d
pmuludq xmm2, [mmx_01bytes]
movzx r3, byte [r1+r2-1]
movd xmm3, r3d
pmuludq xmm3, [mmx_01bytes]
unpcklps xmm2, xmm3
unpcklpd xmm0, xmm2
movdqa [r0], xmm0
pop r3
ret
;***********************************************************************
; void WelsI16x16LumaPredPlane_sse2(uint8_t *pred, uint8_t *pRef, int32_t stride);
;***********************************************************************
WELS_EXTERN WelsI16x16LumaPredPlane_sse2
push r3
push r4
%assign push_num 2
LOAD_3_PARA
PUSH_XMM 8
SIGN_EXTENSION r2, r2d
sub r1, 1
sub r1, r2
;for H
pxor xmm7, xmm7
movq xmm0, [r1]
movdqa xmm5, [sse2_plane_dec]
punpcklbw xmm0, xmm7
pmullw xmm0, xmm5
movq xmm1, [r1 + 9]
movdqa xmm6, [sse2_plane_inc]
punpcklbw xmm1, xmm7
pmullw xmm1, xmm6
psubw xmm1, xmm0
SUMW_HORIZON xmm1,xmm0,xmm2
movd r3d, xmm1 ; H += (i + 1) * (top[8 + i] - top[6 - i]);
movsx r3, r3w
imul r3, 5
add r3, 32
sar r3, 6 ; b = (5 * H + 32) >> 6;
SSE2_Copy8Times xmm1, r3d ; xmm1 = b,b,b,b,b,b,b,b
movzx r4, BYTE [r1+16]
sub r1, 3
LOAD_COLUMN xmm0, xmm2, xmm3, xmm4, r1, r2
add r1, 3
movzx r3, BYTE [r1+8*r2]
add r4, r3
shl r4, 4 ; a = (left[15*stride] + top[15]) << 4;
sub r1, 3
add r1, r2
LOAD_COLUMN xmm7, xmm2, xmm3, xmm4, r1, r2
pxor xmm4, xmm4
punpckhbw xmm0, xmm4
pmullw xmm0, xmm5
punpckhbw xmm7, xmm4
pmullw xmm7, xmm6
psubw xmm7, xmm0
SUMW_HORIZON xmm7,xmm0,xmm2
movd r3d, xmm7 ; V
movsx r3, r3w
imul r3, 5
add r3, 32
sar r3, 6 ; c = (5 * V + 32) >> 6;
SSE2_Copy8Times xmm4, r3d ; xmm4 = c,c,c,c,c,c,c,c
add r4, 16
imul r3, -7
add r3, r4 ; s = a + 16 + (-7)*c
SSE2_Copy8Times xmm0, r3d ; xmm0 = s,s,s,s,s,s,s,s
xor r3, r3
movdqa xmm5, [sse2_plane_inc_minus]
get_i16x16_luma_pred_plane_sse2_1:
movdqa xmm2, xmm1
pmullw xmm2, xmm5
paddw xmm2, xmm0
psraw xmm2, 5
movdqa xmm3, xmm1
pmullw xmm3, xmm6
paddw xmm3, xmm0
psraw xmm3, 5
packuswb xmm2, xmm3
movdqa [r0], xmm2
paddw xmm0, xmm4
add r0, 16
inc r3
cmp r3, 16
jnz get_i16x16_luma_pred_plane_sse2_1
POP_XMM
pop r4
pop r3
ret
;***********************************************************************
; void WelsI16x16LumaPredH_sse2(uint8_t *pred, uint8_t *pRef, int32_t stride);
;***********************************************************************
%macro SSE2_PRED_H_16X16_ONE_LINE 0
add r0, 16
add r1, r2
movzx r3, byte [r1]
SSE2_Copy16Times xmm0, r3d
movdqa [r0], xmm0
%endmacro
WELS_EXTERN WelsI16x16LumaPredH_sse2
push r3
%assign push_num 1
LOAD_3_PARA
SIGN_EXTENSION r2, r2d
dec r1
movzx r3, byte [r1]
SSE2_Copy16Times xmm0, r3d
movdqa [r0], xmm0
SSE2_PRED_H_16X16_ONE_LINE
SSE2_PRED_H_16X16_ONE_LINE
SSE2_PRED_H_16X16_ONE_LINE
SSE2_PRED_H_16X16_ONE_LINE
SSE2_PRED_H_16X16_ONE_LINE
SSE2_PRED_H_16X16_ONE_LINE
SSE2_PRED_H_16X16_ONE_LINE
SSE2_PRED_H_16X16_ONE_LINE
SSE2_PRED_H_16X16_ONE_LINE
SSE2_PRED_H_16X16_ONE_LINE
SSE2_PRED_H_16X16_ONE_LINE
SSE2_PRED_H_16X16_ONE_LINE
SSE2_PRED_H_16X16_ONE_LINE
SSE2_PRED_H_16X16_ONE_LINE
SSE2_PRED_H_16X16_ONE_LINE
pop r3
ret
;***********************************************************************
; void WelsI16x16LumaPredV_sse2(uint8_t *pred, uint8_t *pRef, int32_t stride);
;***********************************************************************
WELS_EXTERN WelsI16x16LumaPredV_sse2
%assign push_num 0
LOAD_3_PARA
SIGN_EXTENSION r2, r2d
sub r1, r2
movdqa xmm0, [r1]
movdqa [r0], xmm0
movdqa [r0+10h], xmm0
movdqa [r0+20h], xmm0
movdqa [r0+30h], xmm0
movdqa [r0+40h], xmm0
movdqa [r0+50h], xmm0
movdqa [r0+60h], xmm0
movdqa [r0+70h], xmm0
movdqa [r0+80h], xmm0
movdqa [r0+90h], xmm0
movdqa [r0+160], xmm0
movdqa [r0+176], xmm0
movdqa [r0+192], xmm0
movdqa [r0+208], xmm0
movdqa [r0+224], xmm0
movdqa [r0+240], xmm0
ret
;***********************************************************************
; void WelsIChromaPredPlane_sse2(uint8_t *pred, uint8_t *pRef, int32_t stride);
;***********************************************************************
WELS_EXTERN WelsIChromaPredPlane_sse2
push r3
push r4
%assign push_num 2
LOAD_3_PARA
PUSH_XMM 8
SIGN_EXTENSION r2, r2d
sub r1, 1
sub r1, r2
pxor mm7, mm7
movq mm0, [r1]
movq mm5, [sse2_plane_dec_c]
punpcklbw mm0, mm7
pmullw mm0, mm5
movq mm1, [r1 + 5]
movq mm6, [sse2_plane_inc_c]
punpcklbw mm1, mm7
pmullw mm1, mm6
psubw mm1, mm0
movq2dq xmm1, mm1
pxor xmm2, xmm2
SUMW_HORIZON xmm1,xmm0,xmm2
movd r3d, xmm1
movsx r3, r3w
imul r3, 17
add r3, 16
sar r3, 5 ; b = (17 * H + 16) >> 5;
SSE2_Copy8Times xmm1, r3d ; mm1 = b,b,b,b,b,b,b,b
movzx r3, BYTE [r1+8]
sub r1, 3
LOAD_COLUMN_C mm0, mm2, mm3, mm4, r1, r2
add r1, 3
movzx r4, BYTE [r1+4*r2]
add r4, r3
shl r4, 4 ; a = (left[7*stride] + top[7]) << 4;
sub r1, 3
add r1, r2
LOAD_COLUMN_C mm7, mm2, mm3, mm4, r1, r2
pxor mm4, mm4
punpckhbw mm0, mm4
pmullw mm0, mm5
punpckhbw mm7, mm4
pmullw mm7, mm6
psubw mm7, mm0
movq2dq xmm7, mm7
pxor xmm2, xmm2
SUMW_HORIZON xmm7,xmm0,xmm2
movd r3d, xmm7 ; V
movsx r3, r3w
imul r3, 17
add r3, 16
sar r3, 5 ; c = (17 * V + 16) >> 5;
SSE2_Copy8Times xmm4, r3d ; mm4 = c,c,c,c,c,c,c,c
add r4, 16
imul r3, -3
add r3, r4 ; s = a + 16 + (-3)*c
SSE2_Copy8Times xmm0, r3d ; xmm0 = s,s,s,s,s,s,s,s
xor r3, r3
movdqa xmm5, [sse2_plane_mul_b_c]
get_i_chroma_pred_plane_sse2_1:
movdqa xmm2, xmm1
pmullw xmm2, xmm5
paddw xmm2, xmm0
psraw xmm2, 5
packuswb xmm2, xmm2
movq [r0], xmm2
paddw xmm0, xmm4
add r0, 8
inc r3
cmp r3, 8
jnz get_i_chroma_pred_plane_sse2_1
POP_XMM
pop r4
pop r3
WELSEMMS
ret
;***********************************************************************
; 0 |1 |2 |3 |4 |
; 6 |7 |8 |9 |10|
; 11|12|13|14|15|
; 16|17|18|19|20|
; 21|22|23|24|25|
; 7 is the start pixel of current 4x4 block
; pred[7] = ([6]+[0]*2+[1]+2)/4
;
; void WelsI4x4LumaPredDDR_mmx(uint8_t *pred,uint8_t *pRef,int32_t stride)
;
;***********************************************************************
WELS_EXTERN WelsI4x4LumaPredDDR_mmx
%assign push_num 0
LOAD_3_PARA
SIGN_EXTENSION r2, r2d
movq mm1,[r1+r2-8] ;get value of 11,decreasing 8 is trying to improve the performance of movq mm1[8] = 11
movq mm2,[r1-8] ;get value of 6 mm2[8] = 6
sub r1, r2 ;mov eax to above line of current block(postion of 1)
punpckhbw mm2,[r1-8] ;mm2[8](high 8th byte of mm2) = [0](value of 0), mm2[7]= [6]
movd mm3,[r1] ;get value 1, mm3[1] = [1],mm3[2]=[2],mm3[3]=[3]
punpckhwd mm1,mm2 ;mm1[8]=[0],mm1[7]=[6],mm1[6]=[11]
psllq mm3,18h ;mm3[5]=[1]
psrlq mm1,28h ;mm1[3]=[0],mm1[2]=[6],mm1[1]=[11]
por mm3,mm1 ;mm3[6]=[3],mm3[5]=[2],mm3[4]=[1],mm3[3]=[0],mm3[2]=[6],mm3[1]=[11]
movq mm1,mm3 ;mm1[6]=[3],mm1[5]=[2],mm1[4]=[1],mm1[3]=[0],mm1[2]=[6],mm1[1]=[11]
lea r1,[r1+r2*2-8h] ;set eax point to 12
movq mm4,[r1+r2] ;get value of 16, mm4[8]=[16]
psllq mm3,8 ;mm3[7]=[3],mm3[6]=[2],mm3[5]=[1],mm3[4]=[0],mm3[3]=[6],mm3[2]=[11],mm3[1]=0
psrlq mm4,38h ;mm4[1]=[16]
por mm3,mm4 ;mm3[7]=[3],mm3[6]=[2],mm3[5]=[1],mm3[4]=[0],mm3[3]=[6],mm3[2]=[11],mm3[1]=[16]
movq mm2,mm3 ;mm2[7]=[3],mm2[6]=[2],mm2[5]=[1],mm2[4]=[0],mm2[3]=[6],mm2[2]=[11],mm2[1]=[16]
movq mm4,[r1+r2*2] ;mm4[8]=[21]
psllq mm3,8 ;mm3[8]=[3],mm3[7]=[2],mm3[6]=[1],mm3[5]=[0],mm3[4]=[6],mm3[3]=[11],mm3[2]=[16],mm3[1]=0
psrlq mm4,38h ;mm4[1]=[21]
por mm3,mm4 ;mm3[8]=[3],mm3[7]=[2],mm3[6]=[1],mm3[5]=[0],mm3[4]=[6],mm3[3]=[11],mm3[2]=[16],mm3[1]=[21]
movq mm4,mm3 ;mm4[8]=[3],mm4[7]=[2],mm4[6]=[1],mm4[5]=[0],mm4[4]=[6],mm4[3]=[11],mm4[2]=[16],mm4[1]=[21]
pavgb mm3,mm1 ;mm3=([11]+[21]+1)/2
pxor mm1,mm4 ;find odd value in the lowest bit of each byte
pand mm1,[mmx_01bytes] ;set the odd bit
psubusb mm3,mm1 ;decrease 1 from odd bytes
pavgb mm2,mm3 ;mm2=(([11]+[21]+1)/2+1+[16])/2
movd [r0+12],mm2
psrlq mm2,8
movd [r0+8],mm2
psrlq mm2,8
movd [r0+4],mm2
psrlq mm2,8
movd [r0],mm2
WELSEMMS
ret
;***********************************************************************
; 0 |1 |2 |3 |4 |
; 5 |6 |7 |8 |9 |
; 10|11|12|13|14|
; 15|16|17|18|19|
; 20|21|22|23|24|
; 6 is the start pixel of current 4x4 block
; pred[6] = ([1]+[2]+[3]+[4]+[5]+[10]+[15]+[20]+4)/8
;
; void WelsI4x4LumaPredDc_sse2(uint8_t *pred,uint8_t *pRef,int32_t stride)
;
;***********************************************************************
WELS_EXTERN WelsI4x4LumaPredDc_sse2
push r3
push r4
%assign push_num 2
LOAD_3_PARA
SIGN_EXTENSION r2, r2d
movzx r4, byte [r1-1h]
sub r1, r2
movd xmm0, [r1]
pxor xmm1, xmm1
psadbw xmm0, xmm1
xor r3, r3
movd r3d, xmm0
add r3, r4
movzx r4, byte [r1+r2*2-1h]
add r3, r4
lea r1, [r1+r2*2-1]
movzx r4, byte [r1+r2]
add r3, r4
movzx r4, byte [r1+r2*2]
add r3, r4
add r3, 4
sar r3, 3
imul r3, 0x01010101
movd xmm0, r3d
pshufd xmm0, xmm0, 0
movdqa [r0], xmm0
pop r4
pop r3
ret
;***********************************************************************
; void WelsIChromaPredH_mmx(uint8_t *pred, uint8_t *pRef, int32_t stride)
; copy 8 pixel of 8 line from left
;***********************************************************************
%macro MMX_PRED_H_8X8_ONE_LINE 4
movq %1, [%3-8]
psrlq %1, 38h
;pmuludq %1, [mmx_01bytes] ;extend to 4 bytes
pmullw %1, [mmx_01bytes]
pshufw %1, %1, 0
movq [%4], %1
%endmacro
%macro MMX_PRED_H_8X8_ONE_LINEE 4
movq %1, [%3+r2-8]
psrlq %1, 38h
;pmuludq %1, [mmx_01bytes] ;extend to 4 bytes
pmullw %1, [mmx_01bytes]
pshufw %1, %1, 0
movq [%4], %1
%endmacro
WELS_EXTERN WelsIChromaPredH_mmx
%assign push_num 0
LOAD_3_PARA
SIGN_EXTENSION r2, r2d
movq mm0, [r1-8]
psrlq mm0, 38h
;pmuludq mm0, [mmx_01bytes] ;extend to 4 bytes
pmullw mm0, [mmx_01bytes]
pshufw mm0, mm0, 0
movq [r0], mm0
MMX_PRED_H_8X8_ONE_LINEE mm0, mm1, r1,r0+8
lea r1,[r1+r2*2]
MMX_PRED_H_8X8_ONE_LINE mm0, mm1, r1,r0+16
MMX_PRED_H_8X8_ONE_LINEE mm0, mm1, r1,r0+24
lea r1,[r1+r2*2]
MMX_PRED_H_8X8_ONE_LINE mm0, mm1, r1,r0+32
MMX_PRED_H_8X8_ONE_LINEE mm0, mm1, r1,r0+40
lea r1,[r1+r2*2]
MMX_PRED_H_8X8_ONE_LINE mm0, mm1, r1,r0+48
MMX_PRED_H_8X8_ONE_LINEE mm0, mm1, r1,r0+56
WELSEMMS
ret
;***********************************************************************
; void WelsI4x4LumaPredV_sse2(uint8_t *pred, uint8_t *pRef, int32_t stride)
; copy pixels from top 4 pixels
;***********************************************************************
WELS_EXTERN WelsI4x4LumaPredV_sse2
%assign push_num 0
LOAD_3_PARA
SIGN_EXTENSION r2, r2d
sub r1, r2
movd xmm0, [r1]
pshufd xmm0, xmm0, 0
movdqa [r0], xmm0
ret
;***********************************************************************
; void WelsIChromaPredV_sse2(uint8_t *pred, uint8_t *pRef, int32_t stride)
; copy 8 pixels from top 8 pixels
;***********************************************************************
WELS_EXTERN WelsIChromaPredV_sse2
%assign push_num 0
LOAD_3_PARA
SIGN_EXTENSION r2, r2d
sub r1, r2
movq xmm0, [r1]
movdqa xmm1, xmm0
punpcklqdq xmm0, xmm1
movdqa [r0], xmm0
movdqa [r0+16], xmm0
movdqa [r0+32], xmm0
movdqa [r0+48], xmm0
ret
;***********************************************************************
; lt|t0|t1|t2|t3|
; l0|
; l1|
; l2|
; l3|
; t3 will never been used
; destination:
; |a |b |c |d |
; |e |f |a |b |
; |g |h |e |f |
; |i |j |g |h |
; a = (1 + lt + l0)>>1
; e = (1 + l0 + l1)>>1
; g = (1 + l1 + l2)>>1
; i = (1 + l2 + l3)>>1
; d = (2 + t0 + (t1<<1) + t2)>>2
; c = (2 + lt + (t0<<1) + t1)>>2
; b = (2 + l0 + (lt<<1) + t0)>>2
; f = (2 + l1 + (l0<<1) + lt)>>2
; h = (2 + l2 + (l1<<1) + l0)>>2
; j = (2 + l3 + (l2<<1) + l1)>>2
; [b a f e h g j i] + [d c b a] --> mov to memory
;
; void WelsI4x4LumaPredHD_mmx(uint8_t *pred,uint8_t *pRef,int32_t stride)
;***********************************************************************
WELS_EXTERN WelsI4x4LumaPredHD_mmx
%assign push_num 0
LOAD_3_PARA
SIGN_EXTENSION r2, r2d
sub r1, r2
movd mm0, [r1-1] ; mm0 = [xx xx xx xx t2 t1 t0 lt]
psllq mm0, 20h ; mm0 = [t2 t1 t0 lt xx xx xx xx]
movd mm1, [r1+2*r2-4]
punpcklbw mm1, [r1+r2-4] ; mm1[7] = l0, mm1[6] = l1
lea r1, [r1+2*r2]
movd mm2, [r1+2*r2-4]
punpcklbw mm2, [r1+r2-4] ; mm2[7] = l2, mm2[6] = l3
punpckhwd mm2, mm1 ; mm2 = [l0 l1 l2 l3 xx xx xx xx]
psrlq mm2, 20h
pxor mm0, mm2 ; mm0 = [t2 t1 t0 lt l0 l1 l2 l3]
movq mm1, mm0
psrlq mm1, 10h ; mm1 = [xx xx t2 t1 t0 lt l0 l1]
movq mm2, mm0
psrlq mm2, 8h ; mm2 = [xx t2 t1 t0 lt l0 l1 l2]
movq mm3, mm2
movq mm4, mm1
pavgb mm1, mm0
pxor mm4, mm0 ; find odd value in the lowest bit of each byte
pand mm4, [mmx_01bytes] ; set the odd bit
psubusb mm1, mm4 ; decrease 1 from odd bytes
pavgb mm2, mm1 ; mm2 = [xx xx d c b f h j]
movq mm4, mm0
pavgb mm3, mm4 ; mm3 = [xx xx xx xx a e g i]
punpcklbw mm3, mm2 ; mm3 = [b a f e h g j i]
psrlq mm2, 20h
psllq mm2, 30h ; mm2 = [d c 0 0 0 0 0 0]
movq mm4, mm3
psrlq mm4, 10h ; mm4 = [0 0 b a f e h j]
pxor mm2, mm4 ; mm2 = [d c b a xx xx xx xx]
psrlq mm2, 20h ; mm2 = [xx xx xx xx d c b a]
movd [r0], mm2
movd [r0+12], mm3
psrlq mm3, 10h
movd [r0+8], mm3
psrlq mm3, 10h
movd [r0+4], mm3
WELSEMMS
ret
;***********************************************************************
; lt|t0|t1|t2|t3|
; l0|
; l1|
; l2|
; l3|
; t3 will never been used
; destination:
; |a |b |c |d |
; |c |d |e |f |
; |e |f |g |g |
; |g |g |g |g |
; a = (1 + l0 + l1)>>1
; c = (1 + l1 + l2)>>1
; e = (1 + l2 + l3)>>1
; g = l3
; b = (2 + l0 + (l1<<1) + l2)>>2
; d = (2 + l1 + (l2<<1) + l3)>>2
; f = (2 + l2 + (l3<<1) + l3)>>2
; [g g f e d c b a] + [g g g g] --> mov to memory
;
; void WelsI4x4LumaPredHU_mmx(uint8_t *pred,uint8_t *pRef,int32_t stride)
;***********************************************************************
WELS_EXTERN WelsI4x4LumaPredHU_mmx
%assign push_num 0
LOAD_3_PARA
SIGN_EXTENSION r2, r2d
movd mm0, [r1-4] ; mm0[3] = l0
punpcklbw mm0, [r1+r2-4] ; mm0[7] = l1, mm0[6] = l0
lea r1, [r1+2*r2]
movd mm2, [r1-4] ; mm2[3] = l2
movd mm4, [r1+r2-4] ; mm4[3] = l3
punpcklbw mm2, mm4
punpckhwd mm0, mm2 ; mm0 = [l3 l2 l1 l0 xx xx xx xx]
psrlq mm4, 18h
psllq mm4, 38h ; mm4 = [l3 xx xx xx xx xx xx xx]
psrlq mm0, 8h
pxor mm0, mm4 ; mm0 = [l3 l3 l2 l1 l0 xx xx xx]
movq mm1, mm0
psllq mm1, 8h ; mm1 = [l3 l2 l1 l0 xx xx xx xx]
movq mm3, mm1 ; mm3 = [l3 l2 l1 l0 xx xx xx xx]
pavgb mm1, mm0 ; mm1 = [g e c a xx xx xx xx]
movq mm2, mm0
psllq mm2, 10h ; mm2 = [l2 l1 l0 xx xx xx xx xx]
movq mm5, mm2
pavgb mm2, mm0
pxor mm5, mm0 ; find odd value in the lowest bit of each byte
pand mm5, [mmx_01bytes] ; set the odd bit
psubusb mm2, mm5 ; decrease 1 from odd bytes
pavgb mm2, mm3 ; mm2 = [f d b xx xx xx xx xx]
psrlq mm2, 8h
pxor mm2, mm4 ; mm2 = [g f d b xx xx xx xx]
punpckhbw mm1, mm2 ; mm1 = [g g f e d c b a]
punpckhbw mm4, mm4 ; mm4 = [g g xx xx xx xx xx xx]
punpckhbw mm4, mm4 ; mm4 = [g g g g xx xx xx xx]
psrlq mm4, 20h
movd [r0+12], mm4
movd [r0], mm1
psrlq mm1, 10h
movd [r0+4], mm1
psrlq mm1, 10h
movd [r0+8], mm1
WELSEMMS
ret
;***********************************************************************
; lt|t0|t1|t2|t3|
; l0|
; l1|
; l2|
; l3|
; l3 will never been used
; destination:
; |a |b |c |d |
; |e |f |g |h |
; |i |a |b |c |
; |j |e |f |g |
; a = (1 + lt + t0)>>1
; b = (1 + t0 + t1)>>1
; c = (1 + t1 + t2)>>1
; d = (1 + t2 + t3)>>1
; e = (2 + l0 + (lt<<1) + t0)>>2
; f = (2 + lt + (t0<<1) + t1)>>2
; g = (2 + t0 + (t1<<1) + t2)>>2
; h = (2 + t1 + (t2<<1) + t3)>>2
; i = (2 + lt + (l0<<1) + l1)>>2
; j = (2 + l0 + (l1<<1) + l2)>>2
;
; void WelsI4x4LumaPredVR_mmx(uint8_t *pred,uint8_t *pRef,int32_t stride)
;***********************************************************************
WELS_EXTERN WelsI4x4LumaPredVR_mmx
%assign push_num 0
LOAD_3_PARA
SIGN_EXTENSION r2, r2d
sub r1, r2
movq mm0, [r1-1] ; mm0 = [xx xx xx t3 t2 t1 t0 lt]
psllq mm0, 18h ; mm0 = [t3 t2 t1 t0 lt xx xx xx]
movd mm1, [r1+2*r2-4]
punpcklbw mm1, [r1+r2-4] ; mm1[7] = l0, mm1[6] = l1
lea r1, [r1+2*r2]
movq mm2, [r1+r2-8] ; mm2[7] = l2
punpckhwd mm2, mm1 ; mm2 = [l0 l1 l2 xx xx xx xx xx]
psrlq mm2, 28h
pxor mm0, mm2 ; mm0 = [t3 t2 t1 t0 lt l0 l1 l2]
movq mm1, mm0
psllq mm1, 8h ; mm1 = [t2 t1 t0 lt l0 l1 l2 xx]
pavgb mm1, mm0 ; mm1 = [d c b a xx xx xx xx]
movq mm2, mm0
psllq mm2, 10h ; mm2 = [t1 t0 lt l0 l1 l2 xx xx]
movq mm3, mm2
pavgb mm2, mm0
pxor mm3, mm0 ; find odd value in the lowest bit of each byte
pand mm3, [mmx_01bytes] ; set the odd bit
psubusb mm2, mm3 ; decrease 1 from odd bytes
movq mm3, mm0
psllq mm3, 8h ; mm3 = [t2 t1 t0 lt l0 l1 l2 xx]
pavgb mm3, mm2 ; mm3 = [h g f e i j xx xx]
movq mm2, mm3
psrlq mm1, 20h ; mm1 = [xx xx xx xx d c b a]
movd [r0], mm1
psrlq mm2, 20h ; mm2 = [xx xx xx xx h g f e]
movd [r0+4], mm2
movq mm4, mm3
psllq mm4, 20h
psrlq mm4, 38h ; mm4 = [xx xx xx xx xx xx xx i]
movq mm5, mm3
psllq mm5, 28h
psrlq mm5, 38h ; mm5 = [xx xx xx xx xx xx xx j]
psllq mm1, 8h
pxor mm4, mm1 ; mm4 = [xx xx xx xx c b a i]
movd [r0+8], mm4
psllq mm2, 8h
pxor mm5, mm2 ; mm5 = [xx xx xx xx g f e j]
movd [r0+12], mm5
WELSEMMS
ret
;***********************************************************************
; lt|t0|t1|t2|t3|t4|t5|t6|t7
; l0|
; l1|
; l2|
; l3|
; lt,t0,t1,t2,t3 will never been used
; destination:
; |a |b |c |d |
; |b |c |d |e |
; |c |d |e |f |
; |d |e |f |g |
; a = (2 + t0 + t2 + (t1<<1))>>2
; b = (2 + t1 + t3 + (t2<<1))>>2
; c = (2 + t2 + t4 + (t3<<1))>>2
; d = (2 + t3 + t5 + (t4<<1))>>2
; e = (2 + t4 + t6 + (t5<<1))>>2
; f = (2 + t5 + t7 + (t6<<1))>>2
; g = (2 + t6 + t7 + (t7<<1))>>2
; [g f e d c b a] --> mov to memory
;
; void WelsI4x4LumaPredDDL_mmx(uint8_t *pred,uint8_t *pRef,int32_t stride)
;***********************************************************************
WELS_EXTERN WelsI4x4LumaPredDDL_mmx
%assign push_num 0
LOAD_3_PARA
SIGN_EXTENSION r2, r2d
sub r1, r2
movq mm0, [r1] ; mm0 = [t7 t6 t5 t4 t3 t2 t1 t0]
movq mm1, mm0
movq mm2, mm0
movq mm3, mm0
psrlq mm3, 38h
psllq mm3, 38h ; mm3 = [t7 xx xx xx xx xx xx xx]
psllq mm1, 8h ; mm1 = [t6 t5 t4 t3 t2 t1 t0 xx]
psrlq mm2, 8h
pxor mm2, mm3 ; mm2 = [t7 t7 t6 t5 t4 t3 t2 t1]
movq mm3, mm1
pavgb mm1, mm2
pxor mm3, mm2 ; find odd value in the lowest bit of each byte
pand mm3, [mmx_01bytes] ; set the odd bit
psubusb mm1, mm3 ; decrease 1 from odd bytes
pavgb mm0, mm1 ; mm0 = [g f e d c b a xx]
psrlq mm0, 8h
movd [r0], mm0
psrlq mm0, 8h
movd [r0+4], mm0
psrlq mm0, 8h
movd [r0+8], mm0
psrlq mm0, 8h
movd [r0+12], mm0
WELSEMMS
ret
;***********************************************************************
; lt|t0|t1|t2|t3|t4|t5|t6|t7
; l0|
; l1|
; l2|
; l3|
; lt,t0,t1,t2,t3 will never been used
; destination:
; |a |b |c |d |
; |e |f |g |h |
; |b |c |d |i |
; |f |g |h |j |
; a = (1 + t0 + t1)>>1
; b = (1 + t1 + t2)>>1
; c = (1 + t2 + t3)>>1
; d = (1 + t3 + t4)>>1
; i = (1 + t4 + t5)>>1
; e = (2 + t0 + (t1<<1) + t2)>>2
; f = (2 + t1 + (t2<<1) + t3)>>2
; g = (2 + t2 + (t3<<1) + t4)>>2
; h = (2 + t3 + (t4<<1) + t5)>>2
; j = (2 + t4 + (t5<<1) + t6)>>2
; [i d c b a] + [j h g f e] --> mov to memory
;
; void WelsI4x4LumaPredVL_mmx(uint8_t *pred,uint8_t *pRef,int32_t stride)
;***********************************************************************
WELS_EXTERN WelsI4x4LumaPredVL_mmx
%assign push_num 0
LOAD_3_PARA
SIGN_EXTENSION r2, r2d
sub r1, r2
movq mm0, [r1] ; mm0 = [t7 t6 t5 t4 t3 t2 t1 t0]
movq mm1, mm0
movq mm2, mm0
psrlq mm1, 8h ; mm1 = [xx t7 t6 t5 t4 t3 t2 t1]
psrlq mm2, 10h ; mm2 = [xx xx t7 t6 t5 t4 t3 t2]
movq mm3, mm1
pavgb mm3, mm0 ; mm3 = [xx xx xx i d c b a]
movq mm4, mm2
pavgb mm2, mm0
pxor mm4, mm0 ; find odd value in the lowest bit of each byte
pand mm4, [mmx_01bytes] ; set the odd bit
psubusb mm2, mm4 ; decrease 1 from odd bytes
pavgb mm2, mm1 ; mm2 = [xx xx xx j h g f e]
movd [r0], mm3
psrlq mm3, 8h
movd [r0+8], mm3
movd [r0+4], mm2
psrlq mm2, 8h
movd [r0+12], mm2
WELSEMMS
ret
;***********************************************************************
;
; void WelsIChromaPredDc_sse2(uint8_t *pred, uint8_t *pRef, int32_t stride)
;***********************************************************************
WELS_EXTERN WelsIChromaPredDc_sse2
push r3
push r4
%assign push_num 2
LOAD_3_PARA
SIGN_EXTENSION r2, r2d
sub r1, r2
movq mm0, [r1]
movzx r3, byte [r1+r2-0x01] ; l1
lea r1, [r1+2*r2]
movzx r4, byte [r1-0x01] ; l2
add r3, r4
movzx r4, byte [r1+r2-0x01] ; l3
add r3, r4
lea r1, [r1+2*r2]
movzx r4, byte [r1-0x01] ; l4
add r3, r4
movd mm1, r3d ; mm1 = l1+l2+l3+l4
movzx r3, byte [r1+r2-0x01] ; l5
lea r1, [r1+2*r2]
movzx r4, byte [r1-0x01] ; l6
add r3, r4
movzx r4, byte [r1+r2-0x01] ; l7
add r3, r4
lea r1, [r1+2*r2]
movzx r4, byte [r1-0x01] ; l8
add r3, r4
movd mm2, r3d ; mm2 = l5+l6+l7+l8
movq mm3, mm0
psrlq mm0, 0x20
psllq mm3, 0x20
psrlq mm3, 0x20
pxor mm4, mm4
psadbw mm0, mm4
psadbw mm3, mm4 ; sum1 = mm3+mm1, sum2 = mm0, sum3 = mm2
paddq mm3, mm1
movq mm1, mm2
paddq mm1, mm0; ; sum1 = mm3, sum2 = mm0, sum3 = mm2, sum4 = mm1
movq mm4, [mmx_0x02]
paddq mm0, mm4
psrlq mm0, 0x02
paddq mm2, mm4
psrlq mm2, 0x02
paddq mm3, mm4
paddq mm3, mm4
psrlq mm3, 0x03
paddq mm1, mm4
paddq mm1, mm4
psrlq mm1, 0x03
pmuludq mm0, [mmx_01bytes]
pmuludq mm3, [mmx_01bytes]
psllq mm0, 0x20
pxor mm0, mm3 ; mm0 = m_up
pmuludq mm2, [mmx_01bytes]
pmuludq mm1, [mmx_01bytes]
psllq mm1, 0x20
pxor mm1, mm2 ; mm2 = m_down
movq [r0], mm0
movq [r0+0x08], mm0
movq [r0+0x10], mm0
movq [r0+0x18], mm0
movq [r0+0x20], mm1
movq [r0+0x28], mm1
movq [r0+0x30], mm1
movq [r0+0x38], mm1
pop r4
pop r3
WELSEMMS
ret
;***********************************************************************
;
; void WelsI16x16LumaPredDc_sse2(uint8_t *pred, uint8_t *pRef, int32_t stride)
;***********************************************************************
WELS_EXTERN WelsI16x16LumaPredDc_sse2
push r3
push r4
%assign push_num 2
LOAD_3_PARA
SIGN_EXTENSION r2, r2d
sub r1, r2
movdqa xmm0, [r1] ; read one row
pxor xmm1, xmm1
psadbw xmm0, xmm1
movdqa xmm1, xmm0
psrldq xmm1, 0x08
pslldq xmm0, 0x08
psrldq xmm0, 0x08
paddw xmm0, xmm1
movzx r3, byte [r1+r2-0x01]
movzx r4, byte [r1+2*r2-0x01]
add r3, r4
lea r1, [r1+r2]
LOAD_2_LEFT_AND_ADD
LOAD_2_LEFT_AND_ADD
LOAD_2_LEFT_AND_ADD
LOAD_2_LEFT_AND_ADD
LOAD_2_LEFT_AND_ADD
LOAD_2_LEFT_AND_ADD
LOAD_2_LEFT_AND_ADD
add r3, 0x10
movd xmm1, r3d
paddw xmm0, xmm1
psrld xmm0, 0x05
pmuludq xmm0, [mmx_01bytes]
pshufd xmm0, xmm0, 0
movdqa [r0], xmm0
movdqa [r0+0x10], xmm0
movdqa [r0+0x20], xmm0
movdqa [r0+0x30], xmm0
movdqa [r0+0x40], xmm0
movdqa [r0+0x50], xmm0
movdqa [r0+0x60], xmm0
movdqa [r0+0x70], xmm0
movdqa [r0+0x80], xmm0
movdqa [r0+0x90], xmm0
movdqa [r0+0xa0], xmm0
movdqa [r0+0xb0], xmm0
movdqa [r0+0xc0], xmm0
movdqa [r0+0xd0], xmm0
movdqa [r0+0xe0], xmm0
movdqa [r0+0xf0], xmm0
pop r4
pop r3
ret
;***********************************************************************
;
;int32_t WelsSampleSatdThree4x4_sse2( uint8_t *pDec, int32_t iLineSizeDec, uint8_t *pEnc, int32_t iLinesizeEnc,
; uint8_t* pRed, int32_t* pBestMode, int32_t, int32_t, int32_t);
;
;***********************************************************************
%ifdef X86_32
WELS_EXTERN WelsSampleSatdThree4x4_sse2
push ebx
push esi
push edi
mov eax, [esp+24];p_enc
mov ebx, [esp+28];linesize_enc
; load source 4x4 samples and Hadamard transform
movd xmm0, [eax]
movd xmm1, [eax+ebx]
lea eax , [eax+2*ebx]
movd xmm2, [eax]
movd xmm3, [eax+ebx]
punpckldq xmm0, xmm2
punpckldq xmm1, xmm3
pxor xmm6, xmm6
punpcklbw xmm0, xmm6
punpcklbw xmm1, xmm6
movdqa xmm2, xmm0
paddw xmm0, xmm1
psubw xmm2, xmm1
SSE2_XSawp qdq, xmm0, xmm2, xmm3
movdqa xmm4, xmm0
paddw xmm0, xmm3
psubw xmm4, xmm3
movdqa xmm2, xmm0
punpcklwd xmm0, xmm4
punpckhwd xmm4, xmm2
SSE2_XSawp dq, xmm0, xmm4, xmm3
SSE2_XSawp qdq, xmm0, xmm3, xmm5
movdqa xmm7, xmm0
paddw xmm0, xmm5
psubw xmm7, xmm5
SSE2_XSawp qdq, xmm0, xmm7, xmm1
; Hadamard transform results are saved in xmm0 and xmm2
movdqa xmm2, xmm0
paddw xmm0, xmm1
psubw xmm2, xmm1
; load top boundary samples: [a b c d]
mov eax, [esp+16];p_dec
sub eax, [esp+20];linesize_dec
movzx ecx, byte [eax]
movzx edx, byte [eax+1]
movzx esi, byte [eax+2]
movzx edi, byte [eax+3]
; get the transform results of top boundary samples: [a b c d]
add edx, ecx ; edx = a + b
add edi, esi ; edi = c + d
add ecx, ecx ; ecx = a + a
add esi, esi ; esi = c + c
sub ecx, edx ; ecx = a + a - a - b = a - b
sub esi, edi ; esi = c + c - c - d = c - d
add edi, edx ; edi = (a + b) + (c + d)
add edx, edx
sub edx, edi ; edx = (a + b) - (c + d)
add esi, ecx ; esi = (a - b) + (c - d)
add ecx, ecx
sub ecx, esi ; ecx = (a - b) - (c - d) ; [edi edx ecx esi]
movdqa xmm6, xmm0
movdqa xmm7, xmm2
movd xmm5, edi ; store the edi for DC mode
pxor xmm3, xmm3
pxor xmm4, xmm4
pinsrw xmm3, edi, 0
pinsrw xmm3, esi, 4
psllw xmm3, 2
pinsrw xmm4, edx, 0
pinsrw xmm4, ecx, 4
psllw xmm4, 2
; get the satd of H
psubw xmm0, xmm3
psubw xmm2, xmm4
WELS_AbsW xmm0, xmm1
WELS_AbsW xmm2, xmm1
paddusw xmm0, xmm2
SUMW_HORIZON1 xmm0, xmm1 ; satd of V is stored in xmm0
; load left boundary samples: [a b c d]'
mov eax, [esp+16]
mov ebx, [esp+20]
movzx ecx, byte [eax-1]
movzx edx, byte [eax+ebx-1]
lea eax , [eax+2*ebx]
movzx esi, byte [eax-1]
movzx edi, byte [eax+ebx-1]
; get the transform results of left boundary samples: [a b c d]'
add edx, ecx ; edx = a + b
add edi, esi ; edi = c + d
add ecx, ecx ; ecx = a + a
add esi, esi ; esi = c + c
sub ecx, edx ; ecx = a + a - a - b = a - b
sub esi, edi ; esi = c + c - c - d = c - d
add edi, edx ; edi = (a + b) + (c + d)
add edx, edx
sub edx, edi ; edx = (a + b) - (c + d)
add esi, ecx ; esi = (a - b) + (c - d)
add ecx, ecx
sub ecx, esi ; ecx = (a - b) - (c - d) ; [edi edx ecx esi]'
; store the transform results in xmm3
movd xmm3, edi
pinsrw xmm3, edx, 1
pinsrw xmm3, ecx, 2
pinsrw xmm3, esi, 3
psllw xmm3, 2
; get the satd of V
movdqa xmm2, xmm6
movdqa xmm4, xmm7
psubw xmm2, xmm3
WELS_AbsW xmm2, xmm1
WELS_AbsW xmm4, xmm1
paddusw xmm2, xmm4
SUMW_HORIZON1 xmm2, xmm1 ; satd of H is stored in xmm2
; DC result is stored in xmm1
add edi, 4
movd xmm1, edi
paddw xmm1, xmm5
psrlw xmm1, 3
movdqa xmm5, xmm1
psllw xmm1, 4
; get the satd of DC
psubw xmm6, xmm1
WELS_AbsW xmm6, xmm1
WELS_AbsW xmm7, xmm1
paddusw xmm6, xmm7
SUMW_HORIZON1 xmm6, xmm1 ; satd of DC is stored in xmm6
; comparing order: DC H V
mov edx, [esp+32]
movd eax, xmm6
movd edi, xmm2
movd esi, xmm0
and eax, 0xffff
shr eax, 1
and edi, 0xffff
shr edi, 1
and esi, 0xffff
shr esi, 1
add eax, [esp+40]
add edi, [esp+44]
add esi, [esp+48]
cmp ax, di
jg near not_dc
cmp ax, si
jg near not_dc_h
; for DC mode
movd ebx, xmm5
imul ebx, 0x01010101
movd xmm5, ebx
pshufd xmm5, xmm5, 0
movdqa [edx], xmm5
mov ebx, [esp+36]
mov dword [ebx], 0x02
pop edi
pop esi
pop ebx
ret
not_dc:
cmp di, si
jg near not_dc_h
; for H mode
SSE_DB_1_2REG xmm6, xmm7
mov eax, [esp+16]
mov ebx, [esp+20]
movzx ecx, byte [eax-1]
movd xmm0, ecx
pmuludq xmm0, xmm6
movzx ecx, byte [eax+ebx-1]
movd xmm1, ecx
pmuludq xmm1, xmm6
%if 1
punpckldq xmm0, xmm1
%else
unpcklps xmm0, xmm1
%endif
lea eax, [eax+ebx*2]
movzx ecx, byte [eax-1]
movd xmm2, ecx
pmuludq xmm2, xmm6
movzx ecx, byte [eax+ebx-1]
movd xmm3, ecx
pmuludq xmm3, xmm6
%if 1
punpckldq xmm2, xmm3
punpcklqdq xmm0, xmm2
%else
unpcklps xmm2, xmm3
unpcklpd xmm0, xmm2
%endif
movdqa [edx],xmm0
mov eax, edi
mov ebx, [esp+36]
mov dword [ebx], 0x01
pop edi
pop esi
pop ebx
ret
not_dc_h:
; for V mode
mov eax, [esp+16]
sub eax, [esp+20]
movd xmm0, [eax]
pshufd xmm0, xmm0, 0
movdqa [edx],xmm0
mov eax, esi
mov ebx, [esp+36]
mov dword [ebx], 0x00
pop edi
pop esi
pop ebx
ret
%endif