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;***************************************************************************** ;* pixel-sse2.asm: h264 encoder library ;***************************************************************************** ;* Copyright (C) 2005 x264 project ;* ;* Authors: Alex Izvorski;* ;* This program is free software; you can redistribute it and/or modify ;* it under the terms of the GNU General Public License as published by ;* the Free Software Foundation; either version 2 of the License, or ;* (at your option) any later version. ;* ;* This program is distributed in the hope that it will be useful, ;* but WITHOUT ANY WARRANTY; without even the implied warranty of ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;* GNU General Public License for more details. ;* ;* You should have received a copy of the GNU General Public License ;* along with this program; if not, write to the Free Software ;* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. ;***************************************************************************** BITS 64 ;============================================================================= ; Macros and other preprocessor constants ;============================================================================= %include "amd64inc.asm" SECTION .rodata align=16 pd_0000ffff: times 4 dd 0x0000ffff pb_1: times 16 db 1 SECTION .text cglobal x264_pixel_sad_16x16_sse2 cglobal x264_pixel_sad_16x8_sse2 cglobal x264_pixel_ssd_16x16_sse2 cglobal x264_pixel_ssd_16x8_sse2 cglobal x264_pixel_satd_8x4_sse2 cglobal x264_pixel_satd_8x8_sse2 cglobal x264_pixel_satd_16x8_sse2 cglobal x264_pixel_satd_8x16_sse2 cglobal x264_pixel_satd_16x16_sse2 cglobal x264_pixel_sa8d_8x8_sse2 cglobal x264_pixel_sa8d_16x16_sse2 cglobal x264_intra_sa8d_x3_8x8_core_sse2 %macro SAD_INC_4x16P_SSE2 0 movdqu xmm1, [rdx] movdqu xmm2, [rdx+rcx] lea rdx, [rdx+2*rcx] movdqu xmm3, [rdx] movdqu xmm4, [rdx+rcx] psadbw xmm1, [rdi] psadbw xmm2, [rdi+rsi] lea rdi, [rdi+2*rsi] psadbw xmm3, [rdi] psadbw xmm4, [rdi+rsi] lea rdi, [rdi+2*rsi] lea rdx, [rdx+2*rcx] paddw xmm1, xmm2 paddw xmm3, xmm4 paddw xmm0, xmm1 paddw xmm0, xmm3 %endmacro %macro SAD_START_SSE2 0 ; mov rdi, rdi ; pix1 movsxd rsi, esi ; stride1 ; mov rdx, rdx ; pix2 movsxd rcx, ecx ; stride2 %endmacro %macro SAD_END_SSE2 0 movdqa xmm1, xmm0 psrldq xmm0, 8 paddw xmm0, xmm1 movd eax, xmm0 ret %endmacro ALIGN 16 ;----------------------------------------------------------------------------- ; int x264_pixel_sad_16x16_sse2 (uint8_t *, int, uint8_t *, int ) ;----------------------------------------------------------------------------- x264_pixel_sad_16x16_sse2: SAD_START_SSE2 movdqu xmm0, [rdx] movdqu xmm1, [rdx+rcx] lea rdx, [rdx+2*rcx] movdqu xmm2, [rdx] movdqu xmm3, [rdx+rcx] lea rdx, [rdx+2*rcx] psadbw xmm0, [rdi] psadbw xmm1, [rdi+rsi] lea rdi, [rdi+2*rsi] movdqu xmm4, [rdx] paddw xmm0, xmm1 psadbw xmm2, [rdi] psadbw xmm3, [rdi+rsi] lea rdi, [rdi+2*rsi] movdqu xmm5, [rdx+rcx] lea rdx, [rdx+2*rcx] paddw xmm2, xmm3 movdqu xmm6, [rdx] movdqu xmm7, [rdx+rcx] lea rdx, [rdx+2*rcx] paddw xmm0, xmm2 psadbw xmm4, [rdi] psadbw xmm5, [rdi+rsi] lea rdi, [rdi+2*rsi] movdqu xmm1, [rdx] paddw xmm4, xmm5 psadbw xmm6, [rdi] psadbw xmm7, [rdi+rsi] lea rdi, [rdi+2*rsi] movdqu xmm2, [rdx+rcx] lea rdx, [rdx+2*rcx] paddw xmm6, xmm7 movdqu xmm3, [rdx] paddw xmm0, xmm4 movdqu xmm4, [rdx+rcx] lea rdx, [rdx+2*rcx] paddw xmm0, xmm6 psadbw xmm1, [rdi] psadbw xmm2, [rdi+rsi] lea rdi, [rdi+2*rsi] movdqu xmm5, [rdx] paddw xmm1, xmm2 psadbw xmm3, [rdi] psadbw xmm4, [rdi+rsi] lea rdi, [rdi+2*rsi] movdqu xmm6, [rdx+rcx] lea rdx, [rdx+2*rcx] paddw xmm3, xmm4 movdqu xmm7, [rdx] paddw xmm0, xmm1 movdqu xmm1, [rdx+rcx] paddw xmm0, xmm3 psadbw xmm5, [rdi] psadbw xmm6, [rdi+rsi] lea rdi, [rdi+2*rsi] paddw xmm5, xmm6 psadbw xmm7, [rdi] psadbw xmm1, [rdi+rsi] paddw xmm7, xmm1 paddw xmm0, xmm5 paddw xmm0, xmm7 SAD_END_SSE2 ALIGN 16 ;----------------------------------------------------------------------------- ; int x264_pixel_sad_16x8_sse2 (uint8_t *, int, uint8_t *, int ) ;----------------------------------------------------------------------------- x264_pixel_sad_16x8_sse2: SAD_START_SSE2 pxor xmm0, xmm0 SAD_INC_4x16P_SSE2 SAD_INC_4x16P_SSE2 SAD_END_SSE2 %macro SSD_INC_2x16P_SSE2 0 movdqu xmm1, [rdi] movdqu xmm2, [rdx] movdqu xmm3, [rdi+rsi] movdqu xmm4, [rdx+rcx] movdqa xmm5, xmm1 movdqa xmm6, xmm3 psubusb xmm1, xmm2 psubusb xmm3, xmm4 psubusb xmm2, xmm5 psubusb xmm4, xmm6 por xmm1, xmm2 por xmm3, xmm4 movdqa xmm2, xmm1 movdqa xmm4, xmm3 punpcklbw xmm1, xmm7 punpckhbw xmm2, xmm7 punpcklbw xmm3, xmm7 punpckhbw xmm4, xmm7 pmaddwd xmm1, xmm1 pmaddwd xmm2, xmm2 pmaddwd xmm3, xmm3 pmaddwd xmm4, xmm4 lea rdi, [rdi+2*rsi] lea rdx, [rdx+2*rcx] paddd xmm1, xmm2 paddd xmm3, xmm4 paddd xmm0, xmm1 paddd xmm0, xmm3 %endmacro %macro SSD_INC_8x16P_SSE2 0 SSD_INC_2x16P_SSE2 SSD_INC_2x16P_SSE2 SSD_INC_2x16P_SSE2 SSD_INC_2x16P_SSE2 %endmacro %macro SSD_START_SSE2 0 ; mov rdi, rdi ; pix1 movsxd rsi, esi ; stride1 ; mov rdx, rdx ; pix2 movsxd rcx, ecx ; stride2 pxor xmm7, xmm7 ; zero pxor xmm0, xmm0 ; mm0 holds the sum %endmacro %macro SSD_END_SSE2 0 movdqa xmm1, xmm0 psrldq xmm1, 8 paddd xmm0, xmm1 movdqa xmm1, xmm0 psrldq xmm1, 4 paddd xmm0, xmm1 movd eax, xmm0 ret %endmacro ALIGN 16 ;----------------------------------------------------------------------------- ; int x264_pixel_ssd_16x16_sse2 (uint8_t *, int, uint8_t *, int ) ;----------------------------------------------------------------------------- x264_pixel_ssd_16x16_sse2: SSD_START_SSE2 SSD_INC_8x16P_SSE2 SSD_INC_8x16P_SSE2 SSD_END_SSE2 ALIGN 16 ;----------------------------------------------------------------------------- ; int x264_pixel_ssd_16x8_sse2 (uint8_t *, int, uint8_t *, int ) ;----------------------------------------------------------------------------- x264_pixel_ssd_16x8_sse2: SSD_START_SSE2 SSD_INC_8x16P_SSE2 SSD_END_SSE2 ; %1=(row2, row0) %2=(row3, row1) %3=junk ; output in %1=(row3, row0) and %3=(row2, row1) %macro HADAMARD4x4_SSE2 3 movdqa %3, %1 paddw %1, %2 psubw %3, %2 movdqa %2, %1 punpcklqdq %1, %3 punpckhqdq %2, %3 movdqa %3, %1 paddw %1, %2 psubw %3, %2 %endmacro ;;; two HADAMARD4x4_SSE2 running side-by-side %macro HADAMARD4x4_TWO_SSE2 6 ; a02 a13 junk1 b02 b13 junk2 (1=4 2=5 3=6) movdqa %3, %1 movdqa %6, %4 paddw %1, %2 paddw %4, %5 psubw %3, %2 psubw %6, %5 movdqa %2, %1 movdqa %5, %4 punpcklqdq %1, %3 punpcklqdq %4, %6 punpckhqdq %2, %3 punpckhqdq %5, %6 movdqa %3, %1 movdqa %6, %4 paddw %1, %2 paddw %4, %5 psubw %3, %2 psubw %6, %5 %endmacro %macro TRANSPOSE4x4_TWIST_SSE2 3 ; %1=(row3, row0) %2=(row2, row1) %3=junk, output in %1 and %2 movdqa %3, %1 punpcklwd %1, %2 punpckhwd %2, %3 ; backwards because the high quadwords are already swapped movdqa %3, %1 punpckldq %1, %2 punpckhdq %3, %2 movdqa %2, %1 punpcklqdq %1, %3 punpckhqdq %2, %3 %endmacro ;;; two TRANSPOSE4x4_TWIST_SSE2 running side-by-side %macro TRANSPOSE4x4_TWIST_TWO_SSE2 6 ; a02 a13 junk1 b02 b13 junk2 (1=4 2=5 3=6) movdqa %3, %1 movdqa %6, %4 punpcklwd %1, %2 punpcklwd %4, %5 punpckhwd %2, %3 punpckhwd %5, %6 movdqa %3, %1 movdqa %6, %4 punpckldq %1, %2 punpckldq %4, %5 punpckhdq %3, %2 punpckhdq %6, %5 movdqa %2, %1 movdqa %5, %4 punpcklqdq %1, %3 punpcklqdq %4, %6 punpckhqdq %2, %3 punpckhqdq %5, %6 %endmacro ;;; loads the difference of two 4x4 blocks into xmm0,xmm1 and xmm4,xmm5 in interleaved-row order ;;; destroys xmm2, 3 ;;; the value in xmm7 doesn't matter: it's only subtracted from itself %macro LOAD4x8_DIFF_SSE2 0 movq xmm0, [rdi] movq xmm4, [rdx] punpcklbw xmm0, xmm7 punpcklbw xmm4, xmm7 psubw xmm0, xmm4 movq xmm1, [rdi+rsi] movq xmm5, [rdx+rcx] lea rdi, [rdi+2*rsi] lea rdx, [rdx+2*rcx] punpcklbw xmm1, xmm7 punpcklbw xmm5, xmm7 psubw xmm1, xmm5 movq xmm2, [rdi] movq xmm4, [rdx] punpcklbw xmm2, xmm7 punpcklbw xmm4, xmm7 psubw xmm2, xmm4 movdqa xmm4, xmm0 punpcklqdq xmm0, xmm2 ; rows 0 and 2 punpckhqdq xmm4, xmm2 ; next 4x4 rows 0 and 2 movq xmm3, [rdi+rsi] movq xmm5, [rdx+rcx] lea rdi, [rdi+2*rsi] lea rdx, [rdx+2*rcx] punpcklbw xmm3, xmm7 punpcklbw xmm5, xmm7 psubw xmm3, xmm5 movdqa xmm5, xmm1 punpcklqdq xmm1, xmm3 ; rows 1 and 3 punpckhqdq xmm5, xmm3 ; next 4x4 rows 1 and 3 %endmacro %macro SUM1x8_SSE2 3 ; 01 junk sum pxor %2, %2 psubw %2, %1 pmaxsw %1, %2 paddusw %3, %1 %endmacro %macro SUM4x4_SSE2 4 ; 02 13 junk sum pxor %3, %3 psubw %3, %1 pmaxsw %1, %3 pxor %3, %3 psubw %3, %2 pmaxsw %2, %3 paddusw %4, %1 paddusw %4, %2 %endmacro ;;; two SUM4x4_SSE2 running side-by-side %macro SUM4x4_TWO_SSE2 7 ; a02 a13 junk1 b02 b13 junk2 (1=4 2=5 3=6) sum pxor %3, %3 pxor %6, %6 psubw %3, %1 psubw %6, %4 pmaxsw %1, %3 pmaxsw %4, %6 pxor %3, %3 pxor %6, %6 psubw %3, %2 psubw %6, %5 pmaxsw %2, %3 pmaxsw %5, %6 paddusw %1, %2 paddusw %4, %5 paddusw %7, %1 paddusw %7, %4 %endmacro %macro SUM_MM_SSE2 2 ; sum junk movdqa %2, %1 psrldq %1, 2 paddusw %1, %2 pand %1, [pd_0000ffff GLOBAL] movdqa %2, %1 psrldq %1, 4 paddd %1, %2 movdqa %2, %1 psrldq %1, 8 paddd %1, %2 movd eax,%1 %endmacro %macro SATD_TWO_SSE2 0 LOAD4x8_DIFF_SSE2 HADAMARD4x4_TWO_SSE2 xmm0, xmm1, xmm2, xmm4, xmm5, xmm3 TRANSPOSE4x4_TWIST_TWO_SSE2 xmm0, xmm2, xmm1, xmm4, xmm3, xmm5 HADAMARD4x4_TWO_SSE2 xmm0, xmm2, xmm1, xmm4, xmm3, xmm5 SUM4x4_TWO_SSE2 xmm0, xmm1, xmm2, xmm4, xmm5, xmm3, xmm6 %endmacro %macro SATD_START 0 ; mov rdi, rdi ; pix1 movsxd rsi, esi ; stride1 ; mov rdx, rdx ; pix2 movsxd rcx, ecx ; stride2 pxor xmm6, xmm6 %endmacro %macro SATD_END 0 psrlw xmm6, 1 SUM_MM_SSE2 xmm6, xmm7 ret %endmacro ALIGN 16 ;----------------------------------------------------------------------------- ; int x264_pixel_satd_16x16_sse2 (uint8_t *, int, uint8_t *, int ) ;----------------------------------------------------------------------------- x264_pixel_satd_16x16_sse2: SATD_START mov r8, rdi mov r9, rdx SATD_TWO_SSE2 SATD_TWO_SSE2 SATD_TWO_SSE2 SATD_TWO_SSE2 lea rdi, [r8+8] lea rdx, [r9+8] SATD_TWO_SSE2 SATD_TWO_SSE2 SATD_TWO_SSE2 SATD_TWO_SSE2 SATD_END ALIGN 16 ;----------------------------------------------------------------------------- ; int x264_pixel_satd_8x16_sse2 (uint8_t *, int, uint8_t *, int ) ;----------------------------------------------------------------------------- x264_pixel_satd_8x16_sse2: SATD_START SATD_TWO_SSE2 SATD_TWO_SSE2 SATD_TWO_SSE2 SATD_TWO_SSE2 SATD_END ALIGN 16 ;----------------------------------------------------------------------------- ; int x264_pixel_satd_16x8_sse2 (uint8_t *, int, uint8_t *, int ) ;----------------------------------------------------------------------------- x264_pixel_satd_16x8_sse2: SATD_START mov r8, rdi mov r9, rdx SATD_TWO_SSE2 SATD_TWO_SSE2 lea rdi, [r8+8] lea rdx, [r9+8] SATD_TWO_SSE2 SATD_TWO_SSE2 SATD_END ALIGN 16 ;----------------------------------------------------------------------------- ; int x264_pixel_satd_8x8_sse2 (uint8_t *, int, uint8_t *, int ) ;----------------------------------------------------------------------------- x264_pixel_satd_8x8_sse2: SATD_START SATD_TWO_SSE2 SATD_TWO_SSE2 SATD_END ALIGN 16 ;----------------------------------------------------------------------------- ; int x264_pixel_satd_8x4_sse2 (uint8_t *, int, uint8_t *, int ) ;----------------------------------------------------------------------------- x264_pixel_satd_8x4_sse2: SATD_START SATD_TWO_SSE2 SATD_END %macro LOAD_DIFF_8P 4 ; MMP, MMT, [pix1], [pix2] movq %1, %3 movq %2, %4 punpcklbw %1, %2 punpcklbw %2, %2 psubw %1, %2 %endmacro %macro SBUTTERFLY 5 mov%1 %5, %3 punpckl%2 %3, %4 punpckh%2 %5, %4 %endmacro ;----------------------------------------------------------------------------- ; input ABCDEFGH output AFHDTECB ;----------------------------------------------------------------------------- %macro TRANSPOSE8x8 9 SBUTTERFLY dqa, wd, %1, %2, %9 SBUTTERFLY dqa, wd, %3, %4, %2 SBUTTERFLY dqa, wd, %5, %6, %4 SBUTTERFLY dqa, wd, %7, %8, %6 SBUTTERFLY dqa, dq, %1, %3, %8 SBUTTERFLY dqa, dq, %9, %2, %3 SBUTTERFLY dqa, dq, %5, %7, %2 SBUTTERFLY dqa, dq, %4, %6, %7 SBUTTERFLY dqa, qdq, %1, %5, %6 SBUTTERFLY dqa, qdq, %9, %4, %5 SBUTTERFLY dqa, qdq, %8, %2, %4 SBUTTERFLY dqa, qdq, %3, %7, %2 %endmacro %macro SUMSUB_BADC 4 paddw %1, %2 paddw %3, %4 paddw %2, %2 paddw %4, %4 psubw %2, %1 psubw %4, %3 %endmacro %macro HADAMARD1x8 8 SUMSUB_BADC %1, %5, %2, %6 SUMSUB_BADC %3, %7, %4, %8 SUMSUB_BADC %1, %3, %2, %4 SUMSUB_BADC %5, %7, %6, %8 SUMSUB_BADC %1, %2, %3, %4 SUMSUB_BADC %5, %6, %7, %8 %endmacro ALIGN 16 ;----------------------------------------------------------------------------- ; int x264_pixel_sa8d_8x8_sse2( uint8_t *, int, uint8_t *, int ) ;----------------------------------------------------------------------------- x264_pixel_sa8d_8x8_sse2: lea r10, [3*parm2q] lea r11, [3*parm4q] LOAD_DIFF_8P xmm0, xmm8, [parm1q], [parm3q] LOAD_DIFF_8P xmm1, xmm9, [parm1q+parm2q], [parm3q+parm4q] LOAD_DIFF_8P xmm2, xmm8, [parm1q+2*parm2q], [parm3q+2*parm4q] LOAD_DIFF_8P xmm3, xmm9, [parm1q+r10], [parm3q+r11] lea parm1q, [parm1q+4*parm2q] lea parm3q, [parm3q+4*parm4q] LOAD_DIFF_8P xmm4, xmm8, [parm1q], [parm3q] LOAD_DIFF_8P xmm5, xmm9, [parm1q+parm2q], [parm3q+parm4q] LOAD_DIFF_8P xmm6, xmm8, [parm1q+2*parm2q], [parm3q+2*parm4q] LOAD_DIFF_8P xmm7, xmm9, [parm1q+r10], [parm3q+r11] HADAMARD1x8 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7 TRANSPOSE8x8 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8 HADAMARD1x8 xmm0, xmm5, xmm7, xmm3, xmm8, xmm4, xmm2, xmm1 pxor xmm10, xmm10 SUM4x4_TWO_SSE2 xmm0, xmm1, xmm6, xmm2, xmm3, xmm9, xmm10 SUM4x4_TWO_SSE2 xmm4, xmm5, xmm6, xmm7, xmm8, xmm9, xmm10 psrlw xmm10, 1 SUM_MM_SSE2 xmm10, xmm0 add r8d, eax ; preserve rounding for 16x16 add eax, 1 shr eax, 1 ret ALIGN 16 ;----------------------------------------------------------------------------- ; int x264_pixel_sa8d_16x16_sse2( uint8_t *, int, uint8_t *, int ) ;----------------------------------------------------------------------------- ;; violates calling convention x264_pixel_sa8d_16x16_sse2: xor r8d, r8d call x264_pixel_sa8d_8x8_sse2 ; pix[0] lea parm1q, [parm1q+4*parm2q] lea parm3q, [parm3q+4*parm4q] call x264_pixel_sa8d_8x8_sse2 ; pix[8*stride] lea r10, [3*parm2q-2] lea r11, [3*parm4q-2] shl r10, 2 shl r11, 2 sub parm1q, r10 sub parm3q, r11 call x264_pixel_sa8d_8x8_sse2 ; pix[8] lea parm1q, [parm1q+4*parm2q] lea parm3q, [parm3q+4*parm4q] call x264_pixel_sa8d_8x8_sse2 ; pix[8*stride+8] mov eax, r8d add eax, 1 shr eax, 1 ret ALIGN 16 ;----------------------------------------------------------------------------- ; void x264_intra_sa8d_x3_8x8_core_sse2( uint8_t *fenc, int16_t edges[2][8], int *res ) ;----------------------------------------------------------------------------- x264_intra_sa8d_x3_8x8_core_sse2: ; 8x8 hadamard pxor xmm4, xmm4 movq xmm0, [parm1q+0*FENC_STRIDE] movq xmm7, [parm1q+1*FENC_STRIDE] movq xmm6, [parm1q+2*FENC_STRIDE] movq xmm3, [parm1q+3*FENC_STRIDE] movq xmm5, [parm1q+4*FENC_STRIDE] movq xmm1, [parm1q+5*FENC_STRIDE] movq xmm8, [parm1q+6*FENC_STRIDE] movq xmm2, [parm1q+7*FENC_STRIDE] punpcklbw xmm0, xmm4 punpcklbw xmm7, xmm4 punpcklbw xmm6, xmm4 punpcklbw xmm3, xmm4 punpcklbw xmm5, xmm4 punpcklbw xmm1, xmm4 punpcklbw xmm8, xmm4 punpcklbw xmm2, xmm4 HADAMARD1x8 xmm0, xmm7, xmm6, xmm3, xmm5, xmm1, xmm8, xmm2 TRANSPOSE8x8 xmm0, xmm7, xmm6, xmm3, xmm5, xmm1, xmm8, xmm2, xmm4 HADAMARD1x8 xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7 ; dc movzx edi, word [parm2q+0] add di, word [parm2q+16] add edi, 8 and edi, -16 shl edi, 2 pxor xmm15, xmm15 movdqa xmm8, xmm2 movdqa xmm9, xmm3 movdqa xmm10, xmm4 movdqa xmm11, xmm5 SUM4x4_TWO_SSE2 xmm8, xmm9, xmm12, xmm10, xmm11, xmm13, xmm15 movdqa xmm8, xmm6 movdqa xmm9, xmm7 SUM4x4_SSE2 xmm8, xmm9, xmm10, xmm15 movdqa xmm8, xmm1 SUM1x8_SSE2 xmm8, xmm10, xmm15 movdqa xmm14, xmm15 ; 7x8 sum movdqa xmm8, [parm2q+0] ; left edge movd xmm9, edi psllw xmm8, 3 psubw xmm8, xmm0 psubw xmm9, xmm0 SUM1x8_SSE2 xmm8, xmm10, xmm14 SUM1x8_SSE2 xmm9, xmm11, xmm15 ; 1x8 sum punpcklwd xmm0, xmm1 punpcklwd xmm2, xmm3 punpcklwd xmm4, xmm5 punpcklwd xmm6, xmm7 punpckldq xmm0, xmm2 punpckldq xmm4, xmm6 punpcklqdq xmm0, xmm4 ; transpose movdqa xmm1, [parm2q+16] ; top edge movdqa xmm2, xmm15 psllw xmm1, 3 psrldq xmm2, 2 ; 8x7 sum psubw xmm0, xmm1 ; 8x1 sum SUM1x8_SSE2 xmm0, xmm1, xmm2 SUM_MM_SSE2 xmm14, xmm3 add eax, 2 shr eax, 2 mov [parm3q+4], eax ; i8x8_h sa8d SUM_MM_SSE2 xmm15, xmm4 add eax, 2 shr eax, 2 mov [parm3q+8], eax ; i8x8_dc sa8d SUM_MM_SSE2 xmm2, xmm5 add eax, 2 shr eax, 2 mov [parm3q+0], eax ; i8x8_v sa8d ret