📄 fdct_ia64.s
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// // column-DTC 2nd half// // *******************// // padd2 loc32 = loc24, loc31 // t0 = x0.2 + x7.2// padd2 loc33 = loc25, loc30 // t1 = x1.2 + x6.2// padd2 loc34 = loc26, loc29 // t2 = x2.2 + x5.2// padd2 loc35 = loc27, loc28 // t3 = x3.2 + x4.2// psub2 loc36 = loc24, loc31 // t4 = x0.2 - x7.2// psub2 loc37 = loc25, loc30 // t5 = x1.2 - x6.2// psub2 loc38 = loc26, loc29 // t6 = x2.2 - x5.2// psub2 loc39 = loc27, loc28 // t7 = x3.2 - x4.2// ;;// padd2 loc40 = loc37, loc38 // buf0 = t5 + t6// psub2 loc41 = loc37, loc38 // buf1 = t5 - t6// ;;// pmpyshr2 loc37 = loc40, r28, 16 // t5 = buf0 * g4// pmpyshr2 loc38 = loc41, r28, 16 // t6 = buf1 * g4// ;;// padd2 loc37 = loc37, loc40 // t5 = t5 + buf1// padd2 loc38 = loc38, loc41 // t6 = t6 + buf2// ;;// padd2 loc16 = loc32, loc35 // x0 = t0 + t3// padd2 loc17 = loc33, loc34 // x1 = t1 + t2// psub2 loc18 = loc32, loc35 // x2 = t0 - t3// psub2 loc19 = loc33, loc34 // x3 = t1 - t2// padd2 loc20 = loc36, loc37 // x4 = t4 + t5// padd2 loc21 = loc38, loc39 // x5 = t6 + t7// psub2 loc22 = loc36, loc37 // x6 = t4 - t5// psub2 loc23 = loc38, loc39 // x7 = t6 - t7// ;;// padd2 loc32 = loc16, loc17 // t0 = x0 + x1// psub2 loc33 = loc16, loc17 // t1 = x0 - x1// pmpyshr2 loc42 = loc18, r30, 16 // buf2 = x2 * c1// pmpyshr2 loc43 = loc19, r30, 16 // buf3 = x3 * c1// pmpyshr2 loc44 = loc20, r31, 16 // buf4 = x4 * c0// pmpyshr2 loc45 = loc21, r31, 16 // buf5 = x5 * c0// pmpyshr2 loc46 = loc22, r29, 16 // buf6 = x6 * c2// pmpyshr2 loc47 = loc23, r29, 16 // buf7 = x7 * c2// ;;// padd2 loc46 = loc46, loc22 // buf6 = buf6 + x6// padd2 loc47 = loc47, loc23 // buf7 = buf7 + x7// ;;// padd2 loc34 = loc18, loc43 // t2 = x2 + (x3 * c1)// psub2 loc35 = loc42, loc19 // t3 = (c1 * x2) - x3// padd2 loc36 = loc20, loc45 // t4 = x4 + (x5 * c1)// psub2 loc37 = loc44, loc21 // t5 = (c1 * x4) - x5// padd2 loc38 = loc22, loc47 // t6 = x6 + (x7 * c1)// psub2 loc39 = loc46, loc23 // t7 = (c1 * x6) - x7// ;;// pmpyshr2 loc16 = loc32, r28, 16 // x0 = t0 * g4// pmpyshr2 loc17 = loc33, r28, 16 // x1 = t1 * g4// pmpyshr2 loc18 = loc34, r26, 16 // x2 = t2 * g2// pmpyshr2 loc19 = loc35, r26, 16 // x3 = t3 * g2// pmpyshr2 loc20 = loc36, r25, 16 // x4 = t4 * g1// pmpyshr2 loc21 = loc37, r25, 16 // x5 = t5 * g1// pmpyshr2 loc22 = loc38, r27, 16 // x6 = t6 * g3// pmpyshr2 loc23 = loc39, r27, 16 // x7 = t7 * g3// ;;// padd2 loc40 = loc16, loc32 // y0.2 = x0 + t0// padd2 loc41 = loc20, loc36 // y1.2 = x4 + t4// padd2 loc42 = loc18, loc34 // y2.2 = x2 + t2// padd2 loc43 = loc22, loc38 // y3.2 = x6 + t6// padd2 loc44 = loc17, loc33 // y4.2 = x1 + t1// padd2 loc45 = loc23, loc39 // y5.2 = x7 + t7// padd2 loc46 = loc19, loc35 // y6.2 = x3 + t3// padd2 loc47 = loc21, loc37 // y7.2 = x5 + t5// ;;// padd2 loc40 = loc40, r24 // add r24 to correct rounding// padd2 loc41 = loc41, r24// padd2 loc42 = loc42, r24// padd2 loc43 = loc43, r24// padd2 loc44 = loc44, r24// padd2 loc45 = loc45, r24// padd2 loc46 = loc46, r24// padd2 loc47 = loc47, r24// padd2 loc48 = loc48, r24// padd2 loc49 = loc49, r24// padd2 loc50 = loc50, r24// padd2 loc51 = loc51, r24// padd2 loc52 = loc52, r24// padd2 loc53 = loc53, r24// padd2 loc54 = loc54, r24// padd2 loc55 = loc55, r24// ;;// pshr2 loc40 = loc40, 2 // Divide all matrix elements through 4// pshr2 loc41 = loc41, 2// pshr2 loc42 = loc42, 2// pshr2 loc43 = loc43, 2// pshr2 loc44 = loc44, 2// pshr2 loc45 = loc45, 2// pshr2 loc46 = loc46, 2// pshr2 loc47 = loc47, 2// pshr2 loc48 = loc48, 2// pshr2 loc49 = loc49, 2// pshr2 loc50 = loc50, 2// pshr2 loc51 = loc51, 2// pshr2 loc52 = loc52, 2// pshr2 loc53 = loc53, 2// pshr2 loc54 = loc54, 2// pshr2 loc55 = loc55, 2// ;;//// // *****************// // Transpose matrix// // *****************//// mix2.r loc32 = loc48, loc49 // tmp0 = mixr y0, y1// mix2.l loc33 = loc48, loc49 // tmp1 = mixl y0, y1// mix2.r loc34 = loc50, loc51 // tmp2 = mixr y2, y3// mix2.l loc35 = loc50, loc51 // tmp3 = mixl y2, y3// ;;// mix4.r loc16 = loc32, loc34 // x0 = mixr tmp0, tmp2// mix4.r loc17 = loc33, loc35 // x1 = mixr tmp1, tmp3// mix4.l loc18 = loc32, loc34 // x2 = mixl tmp0, tmp2// mix4.l loc19 = loc33, loc35 // x3 = mixl tmp1, tmp3// ;;// mix2.r loc32 = loc40, loc41 // tmp0 = mixr y0.2, y1.2// mix2.l loc33 = loc40, loc41 // tmp1 = mixl y0.2, y1.2// mix2.r loc34 = loc42, loc43 // tmp2 = mixr y2.2, y3.2// mix2.l loc35 = loc42, loc43 // tmp3 = mixl y2.2, y3.2// ;;// mix4.r loc20 = loc32, loc34 // x4 = mixr tmp0, tmp2// mix4.r loc21 = loc33, loc35 // x5 = mixr tmp1, tmp3// mix4.l loc22 = loc32, loc34 // x6 = mixl tmp0, tmp2// mix4.l loc23 = loc33, loc35 // x7 = mixl tmp1, tmp3// ;;// mix2.r loc32 = loc52, loc53 // tmp0 = mixr y4, y5// mix2.l loc33 = loc52, loc53 // tmp1 = mixl y4, y5// mix2.r loc34 = loc54, loc55 // tmp2 = mixr y6, y7// mix2.l loc35 = loc54, loc55 // tmp3 = mixl y6, y7// ;;// mix4.r loc24 = loc32, loc34 // x0.2 = mixr tmp0, tmp2// mix4.r loc25 = loc33, loc35 // x1.2 = mixr tmp1, tmp3// mix4.l loc26 = loc32, loc34 // x2.2 = mixl tmp0, tmp2// mix4.l loc27 = loc33, loc35 // x3.2 = mixl tmp1, tmp3// ;;// mix2.r loc32 = loc44, loc45 // tmp0 = mixr y4.2, y5.2// mix2.l loc33 = loc44, loc45 // tmp1 = mixl y4.2, y5.2// mix2.r loc34 = loc46, loc47 // tmp2 = mixr y6.2, y6.2// mix2.l loc35 = loc46, loc47 // tmp3 = mixl y6.2, y6.2// ;;// mix4.r loc28 = loc32, loc34 // x4.2 = mixr tmp0, tmp2// mix4.r loc29 = loc33, loc35 // x5.2 = mixr tmp1, tmp3// mix4.l loc30 = loc32, loc34 // x6.2 = mixl tmp0, tmp2// mix4.l loc31 = loc33, loc35 // x7.2 = mixl tmp1, tmp3// ;;// // // *******************// // row-DTC 1st half// // *******************// // padd2 loc32 = loc16, loc23 // t0 = x0 + x7// padd2 loc33 = loc17, loc22 // t1 = x1 + x6// padd2 loc34 = loc18, loc21 // t2 = x2 + x5// padd2 loc35 = loc19, loc20 // t3 = x3 + x4// psub2 loc36 = loc16, loc23 // t4 = x0 - x7// psub2 loc37 = loc17, loc22 // t5 = x1 - x6// psub2 loc38 = loc18, loc21 // t6 = x2 - x5// psub2 loc39 = loc19, loc20 // t7 = x3 - x4// ;;// padd2 loc40 = loc37, loc38 // buf0 = t5 + t6// psub2 loc41 = loc37, loc38 // buf1 = t5 - t6// ;;// pmpyshr2 loc37 = loc40, r28, 16 // t5 = buf0 * g4// pmpyshr2 loc38 = loc41, r28, 16 // t6 = buf1 * g4// ;;// padd2 loc37 = loc37, loc40 // t5 = t5 + buf1// padd2 loc38 = loc38, loc41 // t6 = t6 + buf2// ;;// padd2 loc16 = loc32, loc35 // x0 = t0 + t3// padd2 loc17 = loc33, loc34 // x1 = t1 + t2// psub2 loc18 = loc32, loc35 // x2 = t0 - t3// psub2 loc19 = loc33, loc34 // x3 = t1 - t2// padd2 loc20 = loc36, loc37 // x4 = t4 + t5// padd2 loc21 = loc38, loc39 // x5 = t6 + t7// psub2 loc22 = loc36, loc37 // x6 = t4 - t5// psub2 loc23 = loc38, loc39 // x7 = t6 - t7// ;;// padd2 loc32 = loc16, loc17 // t0 = x0 + x1// psub2 loc33 = loc16, loc17 // t1 = x0 - x1// pmpyshr2 loc42 = loc18, r30, 16 // buf2 = x2 * c1// pmpyshr2 loc43 = loc19, r30, 16 // buf3 = x3 * c1// pmpyshr2 loc44 = loc20, r31, 16 // buf4 = x4 * c0// pmpyshr2 loc45 = loc21, r31, 16 // buf5 = x5 * c0// pmpyshr2 loc46 = loc22, r29, 16 // buf6 = x6 * c2// pmpyshr2 loc47 = loc23, r29, 16 // buf7 = x7 * c2// ;;// padd2 loc46 = loc46, loc22 // buf6 = buf6 + x6// padd2 loc47 = loc47, loc23 // buf7 = buf7 + x7// ;;// padd2 loc34 = loc18, loc43 // t2 = x2 + (x3 * c1)// psub2 loc35 = loc42, loc19 // t3 = (c1 * x2) - x3// padd2 loc36 = loc20, loc45 // t4 = x4 + (x5 * c1)// psub2 loc37 = loc44, loc21 // t5 = (c1 * x4) - x5// padd2 loc38 = loc22, loc47 // t6 = x6 + (x7 * c1)// psub2 loc39 = loc46, loc23 // t7 = (c1 * x6) - x7// ;;// pmpyshr2 loc16 = loc32, r28, 16 // x0 = t0 * g4// pmpyshr2 loc17 = loc33, r28, 16 // x1 = t1 * g4// pmpyshr2 loc18 = loc34, r26, 16 // x2 = t2 * g2// pmpyshr2 loc19 = loc35, r26, 16 // x3 = t3 * g2// pmpyshr2 loc20 = loc36, r25, 16 // x4 = t4 * g1// pmpyshr2 loc21 = loc37, r25, 16 // x5 = t5 * g1// pmpyshr2 loc22 = loc38, r27, 16 // x6 = t6 * g3// pmpyshr2 loc23 = loc39, r27, 16 // x7 = t7 * g3// ;;// padd2 loc48 = loc16, loc32 // y0 = x0 + t0// padd2 loc49 = loc20, loc36 // y1 = x4 + t4// padd2 loc50 = loc18, loc34 // y2 = x2 + t2// padd2 loc51 = loc22, loc38 // y3 = x6 + t6// padd2 loc52 = loc17, loc33 // y4 = x1 + t1// padd2 loc53 = loc23, loc39 // y5 = x7 + t7// padd2 loc54 = loc19, loc35 // y6 = x3 + t3// padd2 loc55 = loc21, loc37 // y7 = x5 + t5// ;;// // // *******************// // row-DTC 2nd half// // *******************// // padd2 loc32 = loc24, loc31 // t0 = x0.2 + x7.2// padd2 loc33 = loc25, loc30 // t1 = x1.2 + x6.2// padd2 loc34 = loc26, loc29 // t2 = x2.2 + x5.2// padd2 loc35 = loc27, loc28 // t3 = x3.2 + x4.2// psub2 loc36 = loc24, loc31 // t4 = x0.2 - x7.2// psub2 loc37 = loc25, loc30 // t5 = x1.2 - x6.2// psub2 loc38 = loc26, loc29 // t6 = x2.2 - x5.2// psub2 loc39 = loc27, loc28 // t7 = x3.2 - x4.2// ;;// padd2 loc40 = loc37, loc38 // buf0 = t5 + t6// psub2 loc41 = loc37, loc38 // buf1 = t5 - t6// ;;// pmpyshr2 loc37 = loc40, r28, 16 // t5 = buf0 * g4// pmpyshr2 loc38 = loc41, r28, 16 // t6 = buf1 * g4// ;;// padd2 loc37 = loc37, loc40 // t5 = t5 + buf1// padd2 loc38 = loc38, loc41 // t6 = t6 + buf2// ;;// padd2 loc16 = loc32, loc35 // x0 = t0 + t3// padd2 loc17 = loc33, loc34 // x1 = t1 + t2// psub2 loc18 = loc32, loc35 // x2 = t0 - t3// psub2 loc19 = loc33, loc34 // x3 = t1 - t2// padd2 loc20 = loc36, loc37 // x4 = t4 + t5// padd2 loc21 = loc38, loc39 // x5 = t6 + t7// psub2 loc22 = loc36, loc37 // x6 = t4 - t5// psub2 loc23 = loc38, loc39 // x7 = t6 - t7// ;;// padd2 loc32 = loc16, loc17 // t0 = x0 + x1// psub2 loc33 = loc16, loc17 // t1 = x0 - x1// pmpyshr2 loc42 = loc18, r30, 16 // buf2 = x2 * c1// pmpyshr2 loc43 = loc19, r30, 16 // buf3 = x3 * c1// pmpyshr2 loc44 = loc20, r31, 16 // buf4 = x4 * c0// pmpyshr2 loc45 = loc21, r31, 16 // buf5 = x5 * c0// pmpyshr2 loc46 = loc22, r29, 16 // buf6 = x6 * c2// pmpyshr2 loc47 = loc23, r29, 16 // buf7 = x7 * c2// ;;// padd2 loc46 = loc46, loc22 // buf6 = buf6 + x6// padd2 loc47 = loc47, loc23 // buf7 = buf7 + x7// ;;// padd2 loc34 = loc18, loc43 // t2 = x2 + (x3 * c1)// psub2 loc35 = loc42, loc19 // t3 = (c1 * x2) - x3// padd2 loc36 = loc20, loc45 // t4 = x4 + (x5 * c1)// psub2 loc37 = loc44, loc21 // t5 = (c1 * x4) - x5// padd2 loc38 = loc22, loc47 // t6 = x6 + (x7 * c1)// psub2 loc39 = loc46, loc23 // t7 = (c1 * x6) - x7// ;;// pmpyshr2 loc16 = loc32, r28, 16 // x0 = t0 * g4// pmpyshr2 loc17 = loc33, r28, 16 // x1 = t1 * g4// pmpyshr2 loc18 = loc34, r26, 16 // x2 = t2 * g2// pmpyshr2 loc19 = loc35, r26, 16 // x3 = t3 * g2// pmpyshr2 loc20 = loc36, r25, 16 // x4 = t4 * g1// pmpyshr2 loc21 = loc37, r25, 16 // x5 = t5 * g1// pmpyshr2 loc22 = loc38, r27, 16 // x6 = t6 * g3// pmpyshr2 loc23 = loc39, r27, 16 // x7 = t7 * g3// ;;// padd2 loc40 = loc16, loc32 // y0.2 = x0 + t0// padd2 loc41 = loc20, loc36 // y1.2 = x4 + t4// padd2 loc42 = loc18, loc34 // y2.2 = x2 + t2// padd2 loc43 = loc22, loc38 // y3.2 = x6 + t6// padd2 loc44 = loc17, loc33 // y4.2 = x1 + t1// padd2 loc45 = loc23, loc39 // y5.2 = x7 + t7// padd2 loc46 = loc19, loc35 // y6.2 = x3 + t3// padd2 loc47 = loc21, loc37 // y7.2 = x5 + t5// ;;// // *******************// // Transpose matrix// // *******************//// mix2.l loc32 = loc49, loc48 // tmp0 = mixr y1, y0// mix2.r loc33 = loc49, loc48 // tmp1 = mixl y1, y0// mix2.l loc34 = loc51, loc50 // tmp2 = mixr y3, y2// mix2.r loc35 = loc51, loc50 // tmp3 = mixl y3, y2// ;;// mix4.l loc16 = loc34, loc32 // x0 = mixr tmp2, tmp0// mix4.l loc17 = loc35, loc33 // x1 = mixr tmp3, tmp1// mix4.r loc18 = loc34, loc32 // x2 = mixl tmp2, tmp0// mix4.r loc19 = loc35, loc33 // x3 = mixl tmp3, tmp1// ;;// mix2.l loc32 = loc41, loc40 // tmp0 = mixr y0.2, y1.2// mix2.r loc33 = loc41, loc40 // tmp1 = mixl y0.2, y1.2// mix2.l loc34 = loc43, loc42 // tmp2 = mixr y2.2, y3.2// mix2.r loc35 = loc43, loc42 // tmp3 = mixl y2.2, y3.2// ;;// mix4.l loc20 = loc34, loc32 // x4 = mixr tmp2, tmp0// mix4.l loc21 = loc35, loc33 // x5 = mixr tmp3, tmp1// mix4.r loc22 = loc34, loc32 // x6 = mixl tmp2, tmp0// mix4.r loc23 = loc35, loc33 // x7 = mixl tmp3, tmp1// ;;// mix2.l loc32 = loc53, loc52 // tmp0 = mixr y5, y4// mix2.r loc33 = loc53, loc52 // tmp1 = mixl y5, y4// mix2.l loc34 = loc55, loc54 // tmp2 = mixr y7, y6// mix2.r loc35 = loc55, loc54 // tmp3 = mixl y7, y6// ;;// mix4.l loc24 = loc34, loc32 // x0.2 = mixr tmp2, tmp0// mix4.l loc25 = loc35, loc33 // x1.2 = mixr tmp3, tmp1// mix4.r loc26 = loc34, loc32 // x2.2 = mixl tmp2, tmp0// mix4.r loc27 = loc35, loc33 // x3.2 = mixl tmp3, tmp1// ;;// mix2.l loc32 = loc45, loc44 // tmp0 = mixr y4.2, y5.2// mix2.r loc33 = loc45, loc44 // tmp1 = mixl y4.2, y5.2// mix2.l loc34 = loc47, loc46 // tmp2 = mixr y6.2, y6.2// mix2.r loc35 = loc47, loc46 // tmp3 = mixl y6.2, y6.2// ;;// mix4.l loc28 = loc34, loc32 // x4.2 = mixr tmp2, tmp0// mix4.l loc29 = loc35, loc33 // x5.2 = mixr tmp3, tmp1// mix4.r loc30 = loc34, loc32 // x6.2 = mixl tmp2, tmp0// mix4.r loc31 = loc35, loc33 // x7.2 = mixl tmp3, tmp1// ;;//// // ********// // descale// // ********//// padd2 loc16 = loc16, r23// padd2 loc17 = loc17, r23// padd2 loc18 = loc18, r23// padd2 loc19 = loc19, r23// padd2 loc20 = loc20, r23// padd2 loc21 = loc21, r23// padd2 loc22 = loc22, r23// padd2 loc23 = loc23, r23// padd2 loc24 = loc24, r23// padd2 loc25 = loc25, r23// padd2 loc26 = loc26, r23// padd2 loc27 = loc27, r23// padd2 loc28 = loc28, r23// padd2 loc29 = loc29, r23// padd2 loc30 = loc30, r23// padd2 loc31 = loc31, r23// ;;// pshr2 loc16 = loc16, 3// pshr2 loc17 = loc17, 3// pshr2 loc18 = loc18, 3// pshr2 loc19 = loc19, 3// pshr2 loc20 = loc20, 3// pshr2 loc21 = loc21, 3// pshr2 loc22 = loc22, 3// pshr2 loc23 = loc23, 3// pshr2 loc24 = loc24, 3// pshr2 loc25 = loc25, 3// pshr2 loc26 = loc26, 3// pshr2 loc27 = loc27, 3// pshr2 loc28 = loc28, 3// pshr2 loc29 = loc29, 3// pshr2 loc30 = loc30, 3// pshr2 loc31 = loc31, 3// ;;// // ************// // Store Matrix// // ************// st8 [loc0] = loc16// st8 [loc1] = loc24// st8 [loc2] = loc17// st8 [loc3] = loc25// st8 [loc4] = loc18// st8 [loc5] = loc26// st8 [loc6] = loc19// st8 [loc7] = loc27// st8 [loc8] = loc20// st8 [loc9] = loc28// st8 [loc10] = loc21// st8 [loc11] = loc29// st8 [loc12] = loc22// st8 [loc13] = loc30// st8 [loc14] = loc23// st8 [loc15] = loc31//// mov ar.pfs = r14// br.ret.sptk.many b0// .endp fdct_ia64#// .common fdct#,8,8//
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