213 lines
		
	
	
		
			6.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			213 lines
		
	
	
		
			6.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2003, 2007-14 Matteo Frigo
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|  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
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|  *
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|  * This program is free software; you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation; either version 2 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program; if not, write to the Free Software
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|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
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|  *
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|  */
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| 
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| /* This file was automatically generated --- DO NOT EDIT */
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| /* Generated on Tue Sep 14 10:45:15 EDT 2021 */
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| 
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| #include "dft/codelet-dft.h"
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| 
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| #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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| 
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| /* Generated by: ../../../genfft/gen_notw_c.native -fma -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 8 -name n2bv_8 -with-ostride 2 -include dft/simd/n2b.h -store-multiple 2 */
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| 
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| /*
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|  * This function contains 26 FP additions, 10 FP multiplications,
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|  * (or, 16 additions, 0 multiplications, 10 fused multiply/add),
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|  * 24 stack variables, 1 constants, and 20 memory accesses
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|  */
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| #include "dft/simd/n2b.h"
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| 
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| static void n2bv_8(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
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| {
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|      DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
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|      {
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| 	  INT i;
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| 	  const R *xi;
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| 	  R *xo;
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| 	  xi = ii;
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| 	  xo = io;
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| 	  for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(16, is), MAKE_VOLATILE_STRIDE(16, os)) {
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| 	       V T3, Tj, Te, Tk, Ta, Tn, Tf, Tm, Tr, Tu;
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| 	       {
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| 		    V T1, T2, Tc, Td;
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| 		    T1 = LD(&(xi[0]), ivs, &(xi[0]));
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| 		    T2 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
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| 		    T3 = VSUB(T1, T2);
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| 		    Tj = VADD(T1, T2);
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| 		    Tc = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
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| 		    Td = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
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| 		    Te = VSUB(Tc, Td);
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| 		    Tk = VADD(Tc, Td);
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| 		    {
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| 			 V T4, T5, T6, T7, T8, T9;
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| 			 T4 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
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| 			 T5 = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
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| 			 T6 = VSUB(T4, T5);
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| 			 T7 = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
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| 			 T8 = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
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| 			 T9 = VSUB(T7, T8);
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| 			 Ta = VADD(T6, T9);
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| 			 Tn = VADD(T7, T8);
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| 			 Tf = VSUB(T6, T9);
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| 			 Tm = VADD(T4, T5);
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| 		    }
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| 	       }
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| 	       {
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| 		    V Ts, Tb, Tg, Tp, Tq, Tt;
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| 		    Tb = VFNMS(LDK(KP707106781), Ta, T3);
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| 		    Tg = VFNMS(LDK(KP707106781), Tf, Te);
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| 		    Tr = VFNMSI(Tg, Tb);
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| 		    STM2(&(xo[6]), Tr, ovs, &(xo[2]));
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| 		    Ts = VFMAI(Tg, Tb);
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| 		    STM2(&(xo[10]), Ts, ovs, &(xo[2]));
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| 		    Tp = VADD(Tj, Tk);
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| 		    Tq = VADD(Tm, Tn);
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| 		    Tt = VSUB(Tp, Tq);
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| 		    STM2(&(xo[8]), Tt, ovs, &(xo[0]));
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| 		    STN2(&(xo[8]), Tt, Ts, ovs);
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| 		    Tu = VADD(Tp, Tq);
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| 		    STM2(&(xo[0]), Tu, ovs, &(xo[0]));
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| 	       }
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| 	       {
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| 		    V Tw, Th, Ti, Tv;
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| 		    Th = VFMA(LDK(KP707106781), Ta, T3);
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| 		    Ti = VFMA(LDK(KP707106781), Tf, Te);
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| 		    Tv = VFMAI(Ti, Th);
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| 		    STM2(&(xo[2]), Tv, ovs, &(xo[2]));
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| 		    STN2(&(xo[0]), Tu, Tv, ovs);
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| 		    Tw = VFNMSI(Ti, Th);
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| 		    STM2(&(xo[14]), Tw, ovs, &(xo[2]));
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| 		    {
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| 			 V Tl, To, Tx, Ty;
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| 			 Tl = VSUB(Tj, Tk);
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| 			 To = VSUB(Tm, Tn);
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| 			 Tx = VFNMSI(To, Tl);
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| 			 STM2(&(xo[12]), Tx, ovs, &(xo[0]));
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| 			 STN2(&(xo[12]), Tx, Tw, ovs);
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| 			 Ty = VFMAI(To, Tl);
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| 			 STM2(&(xo[4]), Ty, ovs, &(xo[0]));
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| 			 STN2(&(xo[4]), Ty, Tr, ovs);
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| 		    }
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| 	       }
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| 	  }
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|      }
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|      VLEAVE();
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| }
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| 
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| static const kdft_desc desc = { 8, XSIMD_STRING("n2bv_8"), { 16, 0, 10, 0 }, &GENUS, 0, 2, 0, 0 };
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| 
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| void XSIMD(codelet_n2bv_8) (planner *p) { X(kdft_register) (p, n2bv_8, &desc);
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| }
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| 
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| #else
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| 
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| /* Generated by: ../../../genfft/gen_notw_c.native -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 8 -name n2bv_8 -with-ostride 2 -include dft/simd/n2b.h -store-multiple 2 */
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| 
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| /*
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|  * This function contains 26 FP additions, 2 FP multiplications,
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|  * (or, 26 additions, 2 multiplications, 0 fused multiply/add),
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|  * 24 stack variables, 1 constants, and 20 memory accesses
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|  */
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| #include "dft/simd/n2b.h"
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| 
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| static void n2bv_8(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
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| {
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|      DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
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|      {
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| 	  INT i;
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| 	  const R *xi;
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| 	  R *xo;
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| 	  xi = ii;
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| 	  xo = io;
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| 	  for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(16, is), MAKE_VOLATILE_STRIDE(16, os)) {
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| 	       V Ta, Tk, Te, Tj, T7, Tn, Tf, Tm, Tr, Tu;
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| 	       {
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| 		    V T8, T9, Tc, Td;
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| 		    T8 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
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| 		    T9 = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
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| 		    Ta = VSUB(T8, T9);
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| 		    Tk = VADD(T8, T9);
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| 		    Tc = LD(&(xi[0]), ivs, &(xi[0]));
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| 		    Td = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
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| 		    Te = VSUB(Tc, Td);
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| 		    Tj = VADD(Tc, Td);
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| 		    {
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| 			 V T1, T2, T3, T4, T5, T6;
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| 			 T1 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
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| 			 T2 = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
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| 			 T3 = VSUB(T1, T2);
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| 			 T4 = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
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| 			 T5 = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
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| 			 T6 = VSUB(T4, T5);
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| 			 T7 = VMUL(LDK(KP707106781), VSUB(T3, T6));
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| 			 Tn = VADD(T4, T5);
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| 			 Tf = VMUL(LDK(KP707106781), VADD(T3, T6));
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| 			 Tm = VADD(T1, T2);
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| 		    }
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| 	       }
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| 	       {
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| 		    V Ts, Tb, Tg, Tp, Tq, Tt;
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| 		    Tb = VBYI(VSUB(T7, Ta));
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| 		    Tg = VSUB(Te, Tf);
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| 		    Tr = VADD(Tb, Tg);
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| 		    STM2(&(xo[6]), Tr, ovs, &(xo[2]));
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| 		    Ts = VSUB(Tg, Tb);
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| 		    STM2(&(xo[10]), Ts, ovs, &(xo[2]));
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| 		    Tp = VADD(Tj, Tk);
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| 		    Tq = VADD(Tm, Tn);
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| 		    Tt = VSUB(Tp, Tq);
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| 		    STM2(&(xo[8]), Tt, ovs, &(xo[0]));
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| 		    STN2(&(xo[8]), Tt, Ts, ovs);
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| 		    Tu = VADD(Tp, Tq);
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| 		    STM2(&(xo[0]), Tu, ovs, &(xo[0]));
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| 	       }
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| 	       {
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| 		    V Tw, Th, Ti, Tv;
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| 		    Th = VBYI(VADD(Ta, T7));
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| 		    Ti = VADD(Te, Tf);
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| 		    Tv = VADD(Th, Ti);
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| 		    STM2(&(xo[2]), Tv, ovs, &(xo[2]));
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| 		    STN2(&(xo[0]), Tu, Tv, ovs);
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| 		    Tw = VSUB(Ti, Th);
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| 		    STM2(&(xo[14]), Tw, ovs, &(xo[2]));
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| 		    {
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| 			 V Tl, To, Tx, Ty;
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| 			 Tl = VSUB(Tj, Tk);
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| 			 To = VBYI(VSUB(Tm, Tn));
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| 			 Tx = VSUB(Tl, To);
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| 			 STM2(&(xo[12]), Tx, ovs, &(xo[0]));
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| 			 STN2(&(xo[12]), Tx, Tw, ovs);
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| 			 Ty = VADD(Tl, To);
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| 			 STM2(&(xo[4]), Ty, ovs, &(xo[0]));
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| 			 STN2(&(xo[4]), Ty, Tr, ovs);
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| 		    }
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| 	       }
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| 	  }
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|      }
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|      VLEAVE();
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| }
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| 
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| static const kdft_desc desc = { 8, XSIMD_STRING("n2bv_8"), { 26, 2, 0, 0 }, &GENUS, 0, 2, 0, 0 };
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| 
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| void XSIMD(codelet_n2bv_8) (planner *p) { X(kdft_register) (p, n2bv_8, &desc);
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| }
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| 
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| #endif
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