📄 idct_3dne.asm
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pmaddwd mm1, [tab_i_04_xmm+24]; x6*w15+x4*w14 x6*w11+x4*w10 pmaddwd mm6, mm2 ; x3*w21+x1*w20 x3*w17+x1*w16 pmaddwd mm2, [tab_i_04_xmm+48]; x3*w29+x1*w28 x3*w25+x1*w24 pmaddwd mm7, mm5 ; 7 ; x7*w23+x5*w22 x7*w19+x5*w18 ; w23 w22 w19 w18 pmaddwd mm5, [tab_i_04_xmm+56]; x7*w31+x5*w30 x7*w27+x5*w26 paddd mm3, mm4 ; 4 free ; a1=sum(even1) a0=sum(even0) paddd mm0, mm1 ; 1 free ; a3=sum(even3) a2=sum(even2) pshufw mm1, [eax+80+8],10001000b ; x6 x4 x6 x4 movq mm4, mm3 ; 4 ; a1 a0 paddd mm6, mm7 ; 7 free ; b1=sum(odd1) b0=sum(odd0) paddd mm2, mm5 ; 5 free ; b3=sum(odd3) b2=sum(odd2) pshufw mm5, [eax+80],10001000b; x2 x0 x2 x0 mm5 & mm0 exchanged for next cycle movq mm7, mm0 ; 7 ; a3 a2 psubd mm4, mm6 ; 6 free ; a1-b1 a0-b0 paddd mm6, mm3 ; mm6 = mm3+mm6+mm5+mm4; a1+b1 a0+b0 movq mm3, [tab_i_35_xmm] ; 3 ; w05 w04 w01 w00 psubd mm7, mm2 ; ; a3-b3 a2-b2 paddd mm0, mm2 ; 0 free a3+b3 a2+b2 pshufw mm2, [eax+80],11011101b; x3 x1 x3 x1 pmaddwd mm3, mm5 ; x2*w05+x0*w04 x2*w01+x0*w00 pmaddwd mm5, [tab_i_35_xmm+16]; x2*w13+x0*w12 x2*w09+x0*w08 psrad mm4, SHIFT_INV_ROW ; y6=a1-b1 y7=a0-b0 psrad mm7, SHIFT_INV_ROW ; y4=a3-b3 y5=a2-b2 psrad mm6, SHIFT_INV_ROW ; y1=a1+b1 y0=a0+b0 psrad mm0, SHIFT_INV_ROW ; y3=a3+b3 y2=a2+b2 packssdw mm7, mm4 ; 4 ; y6 y7 y4 y5 packssdw mm6, mm0 ; 0 free ; y3 y2 y1 y0 pshufw mm0, [eax+80+8],11011101b ; x7 x5 x7 x5 movq [eax+64], mm6 ; 3 ; save y3 y2 y1 y0 stall2; DCT_8_INV_ROW_1_s [eax+80], [eax+80], tab_i_35_xmm, rounder_5 movq mm4, [tab_i_35_xmm+8] ; 4 ; w07 w06 w03 w02 movq mm6, [tab_i_35_xmm+32] ; 6 ; w21 w20 w17 w16 pshufw mm7, mm7, 10110001b ; y7 y6 y5 y4 paddd mm3, [rounder_5] ; +rounder stall 6 paddd mm5, [rounder_5] ; +rounder movq [eax+64+8], mm7 ; 7 ; save y7 y6 y5 y4 movq mm7, [tab_i_35_xmm+40] ; 7 ; w23 w22 w19 w18 pmaddwd mm4, mm1 ; x6*w07+x4*w06 x6*w03+x4*w02 pmaddwd mm1, [tab_i_35_xmm+24]; x6*w15+x4*w14 x6*w11+x4*w10 pmaddwd mm6, mm2 ; x3*w21+x1*w20 x3*w17+x1*w16 pmaddwd mm2, [tab_i_35_xmm+48]; x3*w29+x1*w28 x3*w25+x1*w24 pmaddwd mm7, mm0 ; 7 ; x7*w23+x5*w22 x7*w19+x5*w18 ; w23 w22 w19 w18 pmaddwd mm0, [tab_i_35_xmm+56]; x7*w31+x5*w30 x7*w27+x5*w26 paddd mm3, mm4 ; 4 free ; a1=sum(even1) a0=sum(even0) paddd mm5, mm1 ; 1 free ; a3=sum(even3) a2=sum(even2) pshufw mm1, [eax+96+8],10001000b ; x6 x4 x6 x4 movq mm4, mm3 ; 4 ; a1 a0 paddd mm6, mm7 ; 7 free ; b1=sum(odd1) b0=sum(odd0) paddd mm2, mm0 ; 5 free ; b3=sum(odd3) b2=sum(odd2) pshufw mm0, [eax+96],10001000b ; x2 x0 x2 x0 movq mm7, mm5 ; 7 ; a3 a2 psubd mm4, mm6 ; 6 free ; a1-b1 a0-b0 stall 5 paddd mm6, mm3 ; mm3 = mm3+mm6+mm5+mm4; a1+b1 a0+b0 movq mm3, [tab_i_26_xmm] ; 3 ; w05 w04 w01 w00 psubd mm7, mm2 ; ; a3-b3 a2-b2 paddd mm5, mm2 ; 0 free a3+b3 a2+b2 pshufw mm2, [eax+96],11011101b; x3 x1 x3 x1 pmaddwd mm3, mm0 ; x2*w05+x0*w04 x2*w01+x0*w00 pmaddwd mm0, [tab_i_26_xmm+16]; x2*w13+x0*w12 x2*w09+x0*w08 psrad mm4, SHIFT_INV_ROW ; y6=a1-b1 y7=a0-b0 psrad mm7, SHIFT_INV_ROW ; y4=a3-b3 y5=a2-b2 psrad mm6, SHIFT_INV_ROW ; y1=a1+b1 y0=a0+b0 psrad mm5, SHIFT_INV_ROW ; y3=a3+b3 y2=a2+b2 packssdw mm7, mm4 ; 4 ; y6 y7 y4 y5 packssdw mm6, mm5 ; 0 free ; y3 y2 y1 y0 pshufw mm5, [eax+96+8],11011101b ; x7 x5 x7 x5 movq [eax+80], mm6 ; 3 ; save y3 y2 y1 y0; DCT_8_INV_ROW_1_s [eax+96], [eax+96], tab_i_26_xmm, rounder_6 movq mm4, [tab_i_26_xmm+8] ; 4 ; w07 w06 w03 w02 movq mm6, [tab_i_26_xmm+32] ; 6 ; w21 w20 w17 w16 pshufw mm7, mm7, 10110001b ; y7 y6 y5 y4 STALL 6 paddd mm3, [rounder_6] ; +rounder paddd mm0, [rounder_6] ; +rounder movq [eax+80+8], mm7 ; 7 ; save y7 y6 movq mm7, [tab_i_26_xmm+40] ; 7 ; w23 w22 w19 w18 pmaddwd mm4, mm1 ; x6*w07+x4*w06 x6*w03+x4*w02 pmaddwd mm1, [tab_i_26_xmm+24]; x6*w15+x4*w14 x6*w11+x4*w10 pmaddwd mm6, mm2 ; x3*w21+x1*w20 x3*w17+x1*w16 pmaddwd mm2, [tab_i_26_xmm+48]; x3*w29+x1*w28 x3*w25+x1*w24 pmaddwd mm7, mm5 ; 7 ; x7*w23+x5*w22 x7*w19+x5*w18 ; w23 w22 w19 w18 pmaddwd mm5, [tab_i_26_xmm+56]; x7*w31+x5*w30 x7*w27+x5*w26 paddd mm3, mm4 ; 4 free ; a1=sum(even1) a0=sum(even0) paddd mm0, mm1 ; 1 free ; a3=sum(even3) a2=sum(even2) pshufw mm1, [eax+112+8],10001000b ; x6 x4 x6 x4 movq mm4, mm3 ; 4 ; a1 a0 paddd mm6, mm7 ; 7 free ; b1=sum(odd1) b0=sum(odd0) paddd mm2, mm5 ; 5 free ; b3=sum(odd3) b2=sum(odd2) pshufw mm5, [eax+112],10001000b; x2 x0 x2 x0 mm5 & mm0 exchanged for next cycle movq mm7, mm0 ; 7 ; a3 a2 psubd mm4, mm6 ; 6 free ; a1-b1 a0-b0 paddd mm6, mm3 ; mm6 = mm3+mm6+mm5+mm4; a1+b1 a0+b0 movq mm3, [tab_i_17_xmm] ; 3 ; w05 w04 w01 w00 psubd mm7, mm2 ; ; a3-b3 a2-b2 paddd mm0, mm2 ; 0 free a3+b3 a2+b2 pshufw mm2, [eax+112],11011101b; x3 x1 x3 x1 pmaddwd mm3, mm5 ; x2*w05+x0*w04 x2*w01+x0*w00 pmaddwd mm5, [tab_i_17_xmm+16]; x2*w13+x0*w12 x2*w09+x0*w08 psrad mm4, SHIFT_INV_ROW ; y6=a1-b1 y7=a0-b0 psrad mm7, SHIFT_INV_ROW ; y4=a3-b3 y5=a2-b2 psrad mm6, SHIFT_INV_ROW ; y1=a1+b1 y0=a0+b0 psrad mm0, SHIFT_INV_ROW ; y3=a3+b3 y2=a2+b2 packssdw mm7, mm4 ; 4 ; y6 y7 y4 y5 packssdw mm6, mm0 ; 0 free ; y3 y2 y1 y0 pshufw mm0, [eax+112+8],11011101b ; x7 x5 x7 x5 movq [eax+96], mm6 ; 3 ; save y3 y2 y1 y0 stall2; DCT_8_INV_ROW_1_s [eax+112], [eax+112], tab_i_17_xmm, rounder_7 movq mm4, [tab_i_17_xmm+8] ; 4 ; w07 w06 w03 w02 movq mm6, [tab_i_17_xmm+32] ; 6 ; w21 w20 w17 w16 pshufw mm7, mm7, 10110001b ; y7 y6 y5 y4 paddd mm3, [rounder_7] ; +rounder stall 6 paddd mm5, [rounder_7] ; +rounder movq [eax+96+8], mm7 ; 7 ; save y7 y6 y5 y4 movq mm7, [tab_i_17_xmm+40] ; 7 ; w23 w22 w19 w18 pmaddwd mm4, mm1 ; x6*w07+x4*w06 x6*w03+x4*w02 pmaddwd mm1, [tab_i_17_xmm+24]; x6*w15+x4*w14 x6*w11+x4*w10 pmaddwd mm6, mm2 ; x3*w21+x1*w20 x3*w17+x1*w16 pmaddwd mm2, [tab_i_17_xmm+48]; x3*w29+x1*w28 x3*w25+x1*w24 pmaddwd mm7, mm0 ; 7 ; x7*w23+x5*w22 x7*w19+x5*w18 ; w23 w22 w19 w18 pmaddwd mm0, [tab_i_17_xmm+56]; x7*w31+x5*w30 x7*w27+x5*w26 paddd mm3, mm4 ; 4 free ; a1=sum(even1) a0=sum(even0) paddd mm5, mm1 ; 1 free ; a3=sum(even3) a2=sum(even2) pshufw mm1, [eax+0+8],10001000b; x6 x4 x6 x4 movq mm4, mm3 ; 4 ; a1 a0 paddd mm6, mm7 ; 7 free ; b1=sum(odd1) b0=sum(odd0) paddd mm2, mm0 ; 5 free ; b3=sum(odd3) b2=sum(odd2) pshufw mm0, [eax+0],10001000b ; x2 x0 x2 x0 movq mm7, mm5 ; 7 ; a3 a2 psubd mm4, mm6 ; 6 free ; a1-b1 a0-b0 stall 5 paddd mm6, mm3 ; mm3 = mm3+mm6+mm5+mm4; a1+b1 a0+b0 movq mm3, [tab_i_04_xmm] ; 3 ; w05 w04 w01 w00 psubd mm7, mm2 ; ; a3-b3 a2-b2 paddd mm5, mm2 ; 0 free a3+b3 a2+b2 pshufw mm2, [eax+0],11011101b ; x3 x1 x3 x1 pmaddwd mm3, mm0 ; x2*w05+x0*w04 x2*w01+x0*w00 pmaddwd mm0, [tab_i_04_xmm+16]; x2*w13+x0*w12 x2*w09+x0*w08 psrad mm4, SHIFT_INV_ROW ; y6=a1-b1 y7=a0-b0 psrad mm7, SHIFT_INV_ROW ; y4=a3-b3 y5=a2-b2 psrad mm6, SHIFT_INV_ROW ; y1=a1+b1 y0=a0+b0 psrad mm5, SHIFT_INV_ROW ; y3=a3+b3 y2=a2+b2 packssdw mm7, mm4 ; 4 ; y6 y7 y4 y5 packssdw mm6, mm5 ; 0 free ; y3 y2 y1 y0 pshufw mm5, [eax+0+8],11011101b; x7 x5 x7 x5 movq [eax+112], mm6 ; 3 ; save y3 y2 y1 y0; DCT_8_INV_ROW_1_s [eax+0], 0, tab_i_04_xmm, rounder_0 movq mm4, [tab_i_04_xmm+8] ; 4 ; w07 w06 w03 w02 movq mm6, [tab_i_04_xmm+32] ; 6 ; w21 w20 w17 w16 pshufw mm7, mm7, 10110001b ; y7 y6 y5 y4 STALL 6 paddd mm3, [rounder_0] ; +rounder paddd mm0, [rounder_0] ; +rounder movq [eax+112+8], mm7 ; 7 ; save y7 y6 movq mm7, [tab_i_04_xmm+40] ; 7 ; w23 w22 w19 w18 pmaddwd mm4, mm1 ; x6*w07+x4*w06 x6*w03+x4*w02 pmaddwd mm1, [tab_i_04_xmm+24]; x6*w15+x4*w14 x6*w11+x4*w10 pmaddwd mm6, mm2 ; x3*w21+x1*w20 x3*w17+x1*w16 pmaddwd mm2, [tab_i_04_xmm+48]; x3*w29+x1*w28 x3*w25+x1*w24 pmaddwd mm7, mm5 ; 7 ; x7*w23+x5*w22 x7*w19+x5*w18 ; w23 w22 w19 w18 pmaddwd mm5, [tab_i_04_xmm+56]; x7*w31+x5*w30 x7*w27+x5*w26 paddd mm3, mm4 ; 4 free ; a1=sum(even1) a0=sum(even0) paddd mm0, mm1 ; 1 pshufw mm1, [eax+16+8],10001000b ; x6 x4 x6 x4 movq mm4, mm3 ; 4 ; a1 a0 paddd mm6, mm7 ; 7 free ; b1=sum(odd1) b0=sum(odd0) paddd mm2, mm5 ; 5 free ; b3=sum(odd3) b2=sum(odd2) pshufw mm5, [eax+16],10001000b; x2 x0 x2 x0 mm5 & mm0 exchanged for next cycle movq mm7, mm0 ; 7 ; a3 a2 psubd mm4, mm6 ; 6 free ; a1-b1 a0-b0 paddd mm6, mm3 ; mm6 = mm3+mm6+mm5+mm4; a1+b1 a0+b0 movq mm3, [tab_i_17_xmm] ; 3 ; w05 w04 w01 w00 psubd mm7, mm2 ; ; a3-b3 a2-b2 paddd mm0, mm2 ; 0 free a3+b3 a2+b2 pshufw mm2, [eax+16],11011101b; x3 x1 x3 x1 pmaddwd mm3, mm5 ; x2*w05+x0*w04 x2*w01+x0*w00 pmaddwd mm5, [tab_i_17_xmm+16]; x2*w13+x0*w12 x2*w09+x0*w08 psrad mm4, SHIFT_INV_ROW ; y6=a1-b1 y7=a0-b0 psrad mm7, SHIFT_INV_ROW ; y4=a3-b3 y5=a2-b2 psrad mm6, SHIFT_INV_ROW ; y1=a1+b1 y0=a0+b0 psrad mm0, SHIFT_INV_ROW ; y3=a3+b3 y2=a2+b2 packssdw mm7, mm4 ; 4 ; y6 y7 y4 y5 packssdw mm6, mm0 ; 0 free ; y3 y2 y1 y0 pshufw mm0, [eax+16+8],11011101b ; x7 x5 x7 x5 movq [eax+0], mm6 ; 3 ; save y3 y2 y1 y0 stall2; DCT_8_INV_ROW_1_s [eax+16], 16, tab_i_17_xmm, rounder_1 movq mm4, [tab_i_17_xmm+8] ; 4 ; w07 w06 w03 w02 movq mm6, [tab_i_17_xmm+32] ; 6 ; w21 w20 w17 w16 pshufw mm7, mm7, 10110001b ; y7 y6 y5 y4 paddd mm3, [rounder_1] ; +rounder stall 6 paddd mm5, [rounder_1] ; +rounder movq [eax+0+8], mm7 ; 7 ; save y7 y6 y5 y4 movq mm7, [tab_i_17_xmm+40] ; 7 ; w23 w22 w19 w18 pmaddwd mm4, mm1 ; x6*w07+x4*w06 x6*w03+x4*w02 pmaddwd mm1, [tab_i_17_xmm+24]; x6*w15+x4*w14 x6*w11+x4*w10 pmaddwd mm6, mm2 ; x3*w21+x1*w20 x3*w17+x1*w16 pmaddwd mm2, [tab_i_17_xmm+48]; x3*w29+x1*w28 x3*w25+x1*w24 pmaddwd mm7, mm0 ; 7 ; x7*w23+x5*w22 x7*w19+x5*w18 ; w23 w22 w19 w18 pmaddwd mm0, [tab_i_17_xmm+56]; x7*w31+x5*w30 x7*w27+x5*w26 paddd mm3, mm4 ; 4 free ; a1=sum(even1) a0=sum(even0) paddd mm5, mm1 ; 1 free ; a3=sum(even3) a2=sum(even2) pshufw mm1, [eax+32+8],10001000b ; x6 x4 x6 x4 movq mm4, mm3 ; 4 ; a1 a0 paddd mm6, mm7 ; 7 free ; b1=sum(odd1) b0=sum(odd0) paddd mm2, mm0 ; 5 free ; b3=sum(odd3) b2=sum(odd2) pshufw mm0, [eax+32],10001000b; x2 x0 x2 x0 movq mm7, mm5 ; 7 ; a3 a2 psubd mm4, mm6 ; 6 free ; a1-b1 a0-b0 stall 5 paddd mm6, mm3 ; mm3 = mm3+mm6+mm5+mm4; a1+b1 a0+b0 movq mm3, [tab_i_26_xmm] ; 3 ; w05 w04 w01 w00 psubd mm7, mm2 ; ; a3-b3 a2-b2 paddd mm5, mm2 ; 0 free a3+b3 a2+b2 pshufw mm2, [eax+32],11011101b; x3 x1 x3 x1 pmaddwd mm3, mm0 ; x2*w05+x0*w04 x2*w01+x0*w00 pmaddwd mm0, [tab_i_26_xmm+16]; x2*w13+x0*w12 x2*w09+x0*w08 psrad mm4, SHIFT_INV_ROW ; y6=a1-b1 y7=a0-b0 psrad mm7, SHIFT_INV_ROW ; y4=a3-b3 y5=a2-b2 psrad mm6, SHIFT_INV_ROW ; y1=a1+b1 y0=a0+b0 psrad mm5, SHIFT_INV_ROW ; y3=a3+b3 y2=a2+b2 packssdw mm7, mm4 ; 4 ; y6 y7 y4 y5 packssdw mm6, mm5 ; 0 free ; y3 y2 y1 y0 pshufw mm5, [eax+32+8],11011101b ; x7 x5 x7 x5 movq [eax+16], mm6 ; 3 ; save y3 y2 y1 y0; DCT_8_INV_ROW_1_s [eax+32], 32, tab_i_26_xmm, rounder_2 movq mm4, [tab_i_26_xmm+8] ; 4 ; w07 w06 w03 w02 movq mm6, [tab_i_26_xmm+32] ; 6 ; w21 w20 w17 w16 pshufw mm7, mm7, 10110001b ; y7 y6 y5 y4 STALL 6 paddd mm3, [rounder_2] ; +rounder paddd mm0, [rounder_2] ; +rounder movq [eax+16+8], mm7 ; 7 ; save y7 y6 movq mm7, [tab_i_26_xmm+40] ; 7 ; w23 w22 w19 w18 pmaddwd mm4, mm1 ; x6*w07+x4*w06 x6*w03+x4*w02 pmaddwd mm1, [tab_i_26_xmm+24]; x6*w15+x4*w14 x6*w11+x4*w10 pmaddwd mm6, mm2 ; x3*w21+x1*w20 x3*w17+x1*w16 pmaddwd mm2, [tab_i_26_xmm+48]; x3*w29+x1*w28 x3*w25+x1*w24 pmaddwd mm7, mm5 ; 7 ; x7*w23+x5*w22 x7*w19+x5*w18 ; w23 w22 w19 w18⌨️ 快捷键说明
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