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📄 fdct_ia64.s

📁 这是一个压缩解压包,用C语言进行编程的,里面有详细的源代码.
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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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