;****************************************************************************** ;* VP8 MMXEXT optimizations ;* Copyright (c) 2010 Ronald S. Bultje ;* Copyright (c) 2010 Jason Garrett-Glaser ;* ;* This file is part of FFmpeg. ;* ;* FFmpeg is free software; you can redistribute it and/or ;* modify it under the terms of the GNU Lesser General Public ;* License as published by the Free Software Foundation; either ;* version 2.1 of the License, or (at your option) any later version. ;* ;* FFmpeg 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 ;* Lesser General Public License for more details. ;* ;* You should have received a copy of the GNU Lesser General Public ;* License along with FFmpeg; if not, write to the Free Software ;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ;****************************************************************************** %include "x86inc.asm" SECTION_RODATA fourtap_filter_hw_m: times 4 dw -6, 123 times 4 dw 12, -1 times 4 dw -9, 93 times 4 dw 50, -6 times 4 dw -6, 50 times 4 dw 93, -9 times 4 dw -1, 12 times 4 dw 123, -6 sixtap_filter_hw_m: times 4 dw 2, -11 times 4 dw 108, 36 times 4 dw -8, 1 times 4 dw 3, -16 times 4 dw 77, 77 times 4 dw -16, 3 times 4 dw 1, -8 times 4 dw 36, 108 times 4 dw -11, 2 fourtap_filter_hb_m: times 8 db -6, -1 times 8 db 123, 12 times 8 db -9, -6 times 8 db 93, 50 times 8 db -6, -9 times 8 db 50, 93 times 8 db -1, -6 times 8 db 12, 123 sixtap_filter_hb_m: times 8 db 2, 1 times 8 db -11, 108 times 8 db 36, -8 times 8 db 3, 3 times 8 db -16, 77 times 8 db 77, -16 times 8 db 1, 2 times 8 db -8, 36 times 8 db 108, -11 fourtap_filter_v_m: times 8 dw -6 times 8 dw 123 times 8 dw 12 times 8 dw -1 times 8 dw -9 times 8 dw 93 times 8 dw 50 times 8 dw -6 times 8 dw -6 times 8 dw 50 times 8 dw 93 times 8 dw -9 times 8 dw -1 times 8 dw 12 times 8 dw 123 times 8 dw -6 sixtap_filter_v_m: times 8 dw 2 times 8 dw -11 times 8 dw 108 times 8 dw 36 times 8 dw -8 times 8 dw 1 times 8 dw 3 times 8 dw -16 times 8 dw 77 times 8 dw 77 times 8 dw -16 times 8 dw 3 times 8 dw 1 times 8 dw -8 times 8 dw 36 times 8 dw 108 times 8 dw -11 times 8 dw 2 bilinear_filter_vw_m: times 8 dw 1 times 8 dw 2 times 8 dw 3 times 8 dw 4 times 8 dw 5 times 8 dw 6 times 8 dw 7 bilinear_filter_vb_m: times 8 db 7, 1 times 8 db 6, 2 times 8 db 5, 3 times 8 db 4, 4 times 8 db 3, 5 times 8 db 2, 6 times 8 db 1, 7 %ifdef PIC %define fourtap_filter_hw r11 %define sixtap_filter_hw r11 %define fourtap_filter_hb r11 %define sixtap_filter_hb r11 %define fourtap_filter_v r11 %define sixtap_filter_v r11 %define bilinear_filter_vw r11 %define bilinear_filter_vb r11 %else %define fourtap_filter_hw fourtap_filter_hw_m %define sixtap_filter_hw sixtap_filter_hw_m %define fourtap_filter_hb fourtap_filter_hb_m %define sixtap_filter_hb sixtap_filter_hb_m %define fourtap_filter_v fourtap_filter_v_m %define sixtap_filter_v sixtap_filter_v_m %define bilinear_filter_vw bilinear_filter_vw_m %define bilinear_filter_vb bilinear_filter_vb_m %endif filter_h2_shuf: db 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8 filter_h4_shuf: db 0, 3, 1, 4, 2, 5, 3, 6, 4, 7, 5, 8, 6, 9, 7, 10 filter_h6_shuf1: db 0, 5, 1, 6, 2, 7, 3, 8, 4, 9, 5, 10, 6, 11, 7, 12 filter_h6_shuf2: db 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9 filter_h6_shuf3: db 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11 cextern pw_4 cextern pw_64 SECTION .text ;----------------------------------------------------------------------------- ; subpel MC functions: ; ; void put_vp8_epel_hv_(uint8_t *dst, int deststride, ; uint8_t *src, int srcstride, ; int height, int mx, int my); ;----------------------------------------------------------------------------- ; 4x4 block, H-only 4-tap filter cglobal put_vp8_epel4_h4_mmxext, 6, 6 shl r5d, 4 %ifdef PIC lea r11, [fourtap_filter_hw_m] %endif movq mm4, [fourtap_filter_hw+r5-16] ; set up 4tap filter in words movq mm5, [fourtap_filter_hw+r5] movq mm7, [pw_64] pxor mm6, mm6 .nextrow movq mm1, [r2-1] ; (ABCDEFGH) load 8 horizontal pixels ; first set of 2 pixels movq mm2, mm1 ; byte ABCD.. punpcklbw mm1, mm6 ; byte->word ABCD pshufw mm0, mm2, 9 ; byte CDEF.. punpcklbw mm0, mm6 ; byte->word CDEF pshufw mm3, mm1, 0x94 ; word ABBC pshufw mm1, mm0, 0x94 ; word CDDE pmaddwd mm3, mm4 ; multiply 2px with F0/F1 movq mm0, mm1 ; backup for second set of pixels pmaddwd mm1, mm5 ; multiply 2px with F2/F3 paddd mm3, mm1 ; finish 1st 2px ; second set of 2 pixels, use backup of above punpckhbw mm2, mm6 ; byte->word EFGH pmaddwd mm0, mm4 ; multiply backed up 2px with F0/F1 pshufw mm1, mm2, 0x94 ; word EFFG pmaddwd mm1, mm5 ; multiply 2px with F2/F3 paddd mm0, mm1 ; finish 2nd 2px ; merge two sets of 2 pixels into one set of 4, round/clip/store packssdw mm3, mm0 ; merge dword->word (4px) paddsw mm3, mm7 ; rounding psraw mm3, 7 packuswb mm3, mm6 ; clip and word->bytes movd [r0], mm3 ; store ; go to next line add r0, r1 add r2, r3 dec r4 ; next row jg .nextrow REP_RET ; 4x4 block, H-only 6-tap filter cglobal put_vp8_epel4_h6_mmxext, 6, 6 lea r5d, [r5*3] %ifdef PIC lea r11, [sixtap_filter_hw_m] %endif movq mm4, [sixtap_filter_hw+r5*8-48] ; set up 4tap filter in words movq mm5, [sixtap_filter_hw+r5*8-32] movq mm6, [sixtap_filter_hw+r5*8-16] movq mm7, [pw_64] pxor mm3, mm3 .nextrow movq mm1, [r2-2] ; (ABCDEFGH) load 8 horizontal pixels ; first set of 2 pixels movq mm2, mm1 ; byte ABCD.. punpcklbw mm1, mm3 ; byte->word ABCD pshufw mm0, mm2, 0x9 ; byte CDEF.. punpckhbw mm2, mm3 ; byte->word EFGH punpcklbw mm0, mm3 ; byte->word CDEF pshufw mm1, mm1, 0x94 ; word ABBC pshufw mm2, mm2, 0x94 ; word EFFG pmaddwd mm1, mm4 ; multiply 2px with F0/F1 pshufw mm3, mm0, 0x94 ; word CDDE movq mm0, mm3 ; backup for second set of pixels pmaddwd mm3, mm5 ; multiply 2px with F2/F3 paddd mm1, mm3 ; add to 1st 2px cache movq mm3, mm2 ; backup for second set of pixels pmaddwd mm2, mm6 ; multiply 2px with F4/F5 paddd mm1, mm2 ; finish 1st 2px ; second set of 2 pixels, use backup of above movd mm2, [r2+3] ; byte FGHI (prevent overreads) pmaddwd mm0, mm4 ; multiply 1st backed up 2px with F0/F1 pmaddwd mm3, mm5 ; multiply 2nd backed up 2px with F2/F3 paddd mm0, mm3 ; add to 2nd 2px cache pxor mm3, mm3 punpcklbw mm2, mm3 ; byte->word FGHI pshufw mm2, mm2, 0xE9 ; word GHHI pmaddwd mm2, mm6 ; multiply 2px with F4/F5 paddd mm0, mm2 ; finish 2nd 2px ; merge two sets of 2 pixels into one set of 4, round/clip/store packssdw mm1, mm0 ; merge dword->word (4px) paddsw mm1, mm7 ; rounding psraw mm1, 7 packuswb mm1, mm3 ; clip and word->bytes movd [r0], mm1 ; store ; go to next line add r0, r1 add r2, r3 dec r4 ; next row jg .nextrow REP_RET ; 4x4 block, H-only 4-tap filter INIT_XMM cglobal put_vp8_epel8_h4_sse2, 6, 6, 8 shl r5d, 4 %ifdef PIC lea r11, [fourtap_filter_hw_m] %endif mova m5, [fourtap_filter_hw+r5-16] ; set up 4tap filter in words mova m6, [fourtap_filter_hw+r5] pxor m7, m7 .nextrow movh m0, [r2-1] punpcklbw m0, m7 ; ABCDEFGH mova m1, m0 mova m2, m0 mova m3, m0 psrldq m1, 2 ; BCDEFGH psrldq m2, 4 ; CDEFGH psrldq m3, 6 ; DEFGH punpcklwd m0, m1 ; ABBCCDDE punpcklwd m2, m3 ; CDDEEFFG pmaddwd m0, m5 pmaddwd m2, m6 paddd m0, m2 movh m1, [r2+3] punpcklbw m1, m7 ; ABCDEFGH mova m2, m1 mova m3, m1 mova m4, m1 psrldq m2, 2 ; BCDEFGH psrldq m3, 4 ; CDEFGH psrldq m4, 6 ; DEFGH punpcklwd m1, m2 ; ABBCCDDE punpcklwd m3, m4 ; CDDEEFFG pmaddwd m1, m5 pmaddwd m3, m6 paddd m1, m3 packssdw m0, m1 paddsw m0, [pw_64] psraw m0, 7 packuswb m0, m7 movh [r0], m0 ; store ; go to next line add r0, r1 add r2, r3 dec r4 ; next row jg .nextrow REP_RET cglobal put_vp8_epel8_h6_sse2, 6, 6, 8 lea r5d, [r5*3] %ifdef PIC lea r11, [sixtap_filter_hw_m] %endif lea r5, [sixtap_filter_hw+r5*8] pxor m7, m7 .nextrow movu m0, [r2-2] mova m6, m0 mova m4, m0 punpcklbw m0, m7 ; ABCDEFGHI mova m1, m0 mova m2, m0 mova m3, m0 psrldq m1, 2 ; BCDEFGH psrldq m2, 4 ; CDEFGH psrldq m3, 6 ; DEFGH psrldq m4, 4 punpcklbw m4, m7 ; EFGH mova m5, m4 psrldq m5, 2 ; FGH punpcklwd m0, m1 ; ABBCCDDE punpcklwd m2, m3 ; CDDEEFFG punpcklwd m4, m5 ; EFFGGHHI pmaddwd m0, [r5-48] pmaddwd m2, [r5-32] pmaddwd m4, [r5-16] paddd m0, m2 paddd m0, m4 psrldq m6, 4 mova m4, m6 punpcklbw m6, m7 ; ABCDEFGHI mova m1, m6 mova m2, m6 mova m3, m6 psrldq m1, 2 ; BCDEFGH psrldq m2, 4 ; CDEFGH psrldq m3, 6 ; DEFGH psrldq m4, 4 punpcklbw m4, m7 ; EFGH mova m5, m4 psrldq m5, 2 ; FGH punpcklwd m6, m1 ; ABBCCDDE punpcklwd m2, m3 ; CDDEEFFG punpcklwd m4, m5 ; EFFGGHHI pmaddwd m6, [r5-48] pmaddwd m2, [r5-32] pmaddwd m4, [r5-16] paddd m6, m2 paddd m6, m4 packssdw m0, m6 paddsw m0, [pw_64] psraw m0, 7 packuswb m0, m7 movh [r0], m0 ; store ; go to next line add r0, r1 add r2, r3 dec r4 ; next row jg .nextrow REP_RET cglobal put_vp8_epel8_h4_ssse3, 6, 6, 7 shl r5d, 4 mova m2, [pw_64] mova m3, [filter_h4_shuf] mova m4, [filter_h6_shuf2] %ifdef PIC lea r11, [fourtap_filter_hb_m] %endif mova m5, [fourtap_filter_hb+r5-16] ; set up 4tap filter in bytes mova m6, [fourtap_filter_hb+r5] .nextrow movu m0, [r2-1] mova m1, m0 pshufb m0, m3 pshufb m1, m4 pmaddubsw m0, m5 pmaddubsw m1, m6 paddsw m0, m2 paddsw m0, m1 psraw m0, 7 packuswb m0, m0 movh [r0], m0 ; store ; go to next line add r0, r1 add r2, r3 dec r4 ; next row jg .nextrow REP_RET cglobal put_vp8_epel8_h6_ssse3, 6, 6, 8 lea r5d, [r5*3] mova m3, [filter_h6_shuf1] mova m4, [filter_h6_shuf2] %ifdef PIC lea r11, [sixtap_filter_hb_m] %endif mova m5, [sixtap_filter_hb+r5*8-48] ; set up 6tap filter in bytes mova m6, [sixtap_filter_hb+r5*8-32] mova m7, [sixtap_filter_hb+r5*8-16] .nextrow movu m0, [r2-2] mova m1, m0 mova m2, m0 pshufb m0, m3 pshufb m1, m4 pshufb m2, [filter_h6_shuf3] pmaddubsw m0, m5 pmaddubsw m1, m6 pmaddubsw m2, m7 paddsw m0, m1 paddsw m0, m2 paddsw m0, [pw_64] psraw m0, 7 packuswb m0, m0 movh [r0], m0 ; store ; go to next line add r0, r1 add r2, r3 dec r4 ; next row jg .nextrow REP_RET %macro FILTER_V 3 ; 4x4 block, V-only 4-tap filter cglobal put_vp8_epel%2_v4_%1, 7, 7, %3 shl r6d, 5 %ifdef PIC lea r11, [fourtap_filter_v_m] %endif lea r6, [fourtap_filter_v+r6-32] mova m6, [pw_64] pxor m7, m7 mova m5, [r6+48] ; read 3 lines sub r2, r3 movh m0, [r2] movh m1, [r2+ r3] movh m2, [r2+2*r3] add r2, r3 punpcklbw m0, m7 punpcklbw m1, m7 punpcklbw m2, m7 .nextrow ; first calculate negative taps (to prevent losing positive overflows) movh m4, [r2+2*r3] ; read new row punpcklbw m4, m7 mova m3, m4 pmullw m0, [r6+0] pmullw m4, m5 paddsw m4, m0 ; then calculate positive taps mova m0, m1 pmullw m1, [r6+16] paddsw m4, m1 mova m1, m2 pmullw m2, [r6+32] paddsw m4, m2 mova m2, m3 ; round/clip/store paddsw m4, m6 psraw m4, 7 packuswb m4, m7 movh [r0], m4 ; go to next line add r0, r1 add r2, r3 dec r4 ; next row jg .nextrow REP_RET ; 4x4 block, V-only 6-tap filter cglobal put_vp8_epel%2_v6_%1, 7, 7, %3 shl r6d, 4 lea r6, [r6*3] %ifdef PIC lea r11, [sixtap_filter_v_m] %endif lea r6, [sixtap_filter_v+r6-96] pxor m7, m7 ; read 5 lines sub r2, r3 sub r2, r3 movh m0, [r2] movh m1, [r2+r3] movh m2, [r2+r3*2] lea r2, [r2+r3*2] add r2, r3 movh m3, [r2] movh m4, [r2+r3] punpcklbw m0, m7 punpcklbw m1, m7 punpcklbw m2, m7 punpcklbw m3, m7 punpcklbw m4, m7 .nextrow ; first calculate negative taps (to prevent losing positive overflows) mova m5, m1 pmullw m5, [r6+16] mova m6, m4 pmullw m6, [r6+64] paddsw m6, m5 ; then calculate positive taps movh m5, [r2+2*r3] ; read new row punpcklbw m5, m7 pmullw m0, [r6+0] paddsw m6, m0 mova m0, m1 mova m1, m2 pmullw m2, [r6+32] paddsw m6, m2 mova m2, m3 pmullw m3, [r6+48] paddsw m6, m3 mova m3, m4 mova m4, m5 pmullw m5, [r6+80] paddsw m6, m5 ; round/clip/store paddsw m6, [pw_64] psraw m6, 7 packuswb m6, m7 movh [r0], m6 ; go to next line add r0, r1 add r2, r3 dec r4 ; next row jg .nextrow REP_RET %endmacro INIT_MMX FILTER_V mmxext, 4, 0 INIT_XMM FILTER_V sse2, 8, 8 cglobal put_vp8_epel8_v4_ssse3, 7, 7, 8 shl r6d, 4 %ifdef PIC lea r11, [fourtap_filter_hb_m] %endif mova m5, [fourtap_filter_hb+r6-16] mova m6, [fourtap_filter_hb+r6] mova m7, [pw_64] ; read 3 lines sub r2, r3 movh m0, [r2] movh m1, [r2+ r3] movh m2, [r2+2*r3] add r2, r3 .nextrow movh m3, [r2+2*r3] ; read new row mova m4, m0 mova m0, m1 punpcklbw m4, m3 punpcklbw m1, m2 pmaddubsw m4, m5 pmaddubsw m1, m6 paddsw m4, m1 mova m1, m2 paddsw m4, m7 mova m2, m3 psraw m4, 7 packuswb m4, m4 movh [r0], m4 ; go to next line add r0, r1 add r2, r3 dec r4 ; next row jg .nextrow REP_RET cglobal put_vp8_epel8_v6_ssse3, 7, 7, 8 lea r6d, [r6*3] %ifdef PIC lea r11, [sixtap_filter_hb_m] %endif lea r6, [sixtap_filter_hb+r6*8] ; read 5 lines sub r2, r3 sub r2, r3 movh m0, [r2] movh m1, [r2+r3] movh m2, [r2+r3*2] lea r2, [r2+r3*2] add r2, r3 movh m3, [r2] movh m4, [r2+r3] .nextrow movh m5, [r2+2*r3] ; read new row mova m6, m0 punpcklbw m6, m5 mova m0, m1 punpcklbw m1, m2 mova m7, m3 punpcklbw m7, m4 pmaddubsw m6, [r6-48] pmaddubsw m1, [r6-32] pmaddubsw m7, [r6-16] paddsw m6, m1 paddsw m6, m7 mova m1, m2 paddsw m6, [pw_64] mova m2, m3 psraw m6, 7 mova m3, m4 packuswb m6, m6 mova m4, m5 movh [r0], m6 ; go to next line add r0, r1 add r2, r3 dec r4 ; next row jg .nextrow REP_RET %macro FILTER_BILINEAR 3 cglobal put_vp8_bilinear%2_v_%1, 7,7,%3 mov r5d, 8*16 shl r6d, 4 sub r5d, r6d %ifdef PIC lea r11, [bilinear_filter_vw_m] %endif pxor m6, m6 mova m4, [bilinear_filter_vw+r5d-16] mova m5, [bilinear_filter_vw+r6d-16] .nextrow movh m0, [r2+r3*0] movh m1, [r2+r3*1] movh m3, [r2+r3*2] punpcklbw m0, m6 punpcklbw m1, m6 punpcklbw m3, m6 mova m2, m1 pmullw m0, m4 pmullw m1, m5 pmullw m2, m4 pmullw m3, m5 paddsw m0, m1 paddsw m2, m3 psraw m0, 2 psraw m2, 2 pavgw m0, m6 pavgw m2, m6 %ifidn %1, mmxext packuswb m0, m0 packuswb m2, m2 movh [r0+r1*0], m0 movh [r0+r1*1], m2 %else packuswb m0, m2 movh [r0+r1*0], m0 movhps [r0+r1*1], m0 %endif lea r0, [r0+r1*2] lea r2, [r2+r3*2] sub r4, 2 jg .nextrow REP_RET cglobal put_vp8_bilinear%2_h_%1, 7,7,%3 mov r6d, 8*16 shl r5d, 4 sub r6d, r5d %ifdef PIC lea r11, [bilinear_filter_vw_m] %endif pxor m6, m6 mova m4, [bilinear_filter_vw+r6d-16] mova m5, [bilinear_filter_vw+r5d-16] .nextrow movh m0, [r2+r3*0+0] movh m1, [r2+r3*0+1] movh m2, [r2+r3*1+0] movh m3, [r2+r3*1+1] punpcklbw m0, m6 punpcklbw m1, m6 punpcklbw m2, m6 punpcklbw m3, m6 pmullw m0, m4 pmullw m1, m5 pmullw m2, m4 pmullw m3, m5 paddsw m0, m1 paddsw m2, m3 psraw m0, 2 psraw m2, 2 pavgw m0, m6 pavgw m2, m6 %ifidn %1, mmxext packuswb m0, m0 packuswb m2, m2 movh [r0+r1*0], m0 movh [r0+r1*1], m2 %else packuswb m0, m2 movh [r0+r1*0], m0 movhps [r0+r1*1], m0 %endif lea r0, [r0+r1*2] lea r2, [r2+r3*2] sub r4, 2 jg .nextrow REP_RET %endmacro INIT_MMX FILTER_BILINEAR mmxext, 4, 0 INIT_XMM FILTER_BILINEAR sse2, 8, 7 cglobal put_vp8_bilinear8_v_ssse3, 7,7,5 shl r6d, 4 %ifdef PIC lea r11, [bilinear_filter_vb_m] %endif pxor m4, m4 mova m3, [bilinear_filter_vb+r6d-16] .nextrow movh m0, [r2+r3*0] movh m1, [r2+r3*1] movh m2, [r2+r3*2] punpcklbw m0, m1 punpcklbw m1, m2 pmaddubsw m0, m3 pmaddubsw m1, m3 psraw m0, 2 psraw m1, 2 pavgw m0, m4 pavgw m1, m4 packuswb m0, m1 movh [r0+r1*0], m0 movhps [r0+r1*1], m0 lea r0, [r0+r1*2] lea r2, [r2+r3*2] sub r4, 2 jg .nextrow REP_RET cglobal put_vp8_bilinear8_h_ssse3, 7,7,5 shl r5d, 4 %ifdef PIC lea r11, [bilinear_filter_vb_m] %endif pxor m4, m4 mova m2, [filter_h2_shuf] mova m3, [bilinear_filter_vb+r5d-16] .nextrow movu m0, [r2+r3*0] movu m1, [r2+r3*1] pshufb m0, m2 pshufb m1, m2 pmaddubsw m0, m3 pmaddubsw m1, m3 psraw m0, 2 psraw m1, 2 pavgw m0, m4 pavgw m1, m4 packuswb m0, m1 movh [r0+r1*0], m0 movhps [r0+r1*1], m0 lea r0, [r0+r1*2] lea r2, [r2+r3*2] sub r4, 2 jg .nextrow REP_RET ;----------------------------------------------------------------------------- ; IDCT functions: ; ; void vp8_idct_dc_add_(uint8_t *dst, DCTELEM block[16], int stride); ;----------------------------------------------------------------------------- cglobal vp8_idct_dc_add_mmx, 3, 3 ; load data movd mm0, [r1] ; calculate DC paddw mm0, [pw_4] pxor mm1, mm1 psraw mm0, 3 psubw mm1, mm0 packuswb mm0, mm0 packuswb mm1, mm1 punpcklbw mm0, mm0 punpcklbw mm1, mm1 punpcklwd mm0, mm0 punpcklwd mm1, mm1 ; add DC lea r1, [r0+r2*2] movd mm2, [r0] movd mm3, [r0+r2] movd mm4, [r1] movd mm5, [r1+r2] paddusb mm2, mm0 paddusb mm3, mm0 paddusb mm4, mm0 paddusb mm5, mm0 psubusb mm2, mm1 psubusb mm3, mm1 psubusb mm4, mm1 psubusb mm5, mm1 movd [r0], mm2 movd [r0+r2], mm3 movd [r1], mm4 movd [r1+r2], mm5 RET cglobal vp8_idct_dc_add_sse4, 3, 3, 6 ; load data movd xmm0, [r1] lea r1, [r0+r2*2] pxor xmm1, xmm1 movq xmm2, [pw_4] ; calculate DC paddw xmm0, xmm2 movd xmm2, [r0] movd xmm3, [r0+r2] movd xmm4, [r1] movd xmm5, [r1+r2] psraw xmm0, 3 pshuflw xmm0, xmm0, 0 punpcklqdq xmm0, xmm0 punpckldq xmm2, xmm3 punpckldq xmm4, xmm5 punpcklbw xmm2, xmm1 punpcklbw xmm4, xmm1 paddw xmm2, xmm0 paddw xmm4, xmm0 packuswb xmm2, xmm4 movd [r0], xmm2 pextrd [r0+r2], xmm2, 1 pextrd [r1], xmm2, 2 pextrd [r1+r2], xmm2, 3 RET