255 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			255 lines
		
	
	
		
			8.6 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 10:45:04 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 12 -name n1bv_12 -include dft/simd/n1b.h */
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| 
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| /*
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|  * This function contains 48 FP additions, 20 FP multiplications,
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|  * (or, 30 additions, 2 multiplications, 18 fused multiply/add),
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|  * 27 stack variables, 2 constants, and 24 memory accesses
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|  */
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| #include "dft/simd/n1b.h"
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| 
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| static void n1bv_12(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(KP866025403, +0.866025403784438646763723170752936183471402627);
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|      DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
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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(24, is), MAKE_VOLATILE_STRIDE(24, os)) {
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| 	       V T5, Ta, TJ, TB, Tq, Tp, Tg, Tl, TG, Ty, Tt, Ts;
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| 	       {
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| 		    V T1, T6, T4, Tz, T9, TA;
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| 		    T1 = LD(&(xi[0]), ivs, &(xi[0]));
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| 		    T6 = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
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| 		    {
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| 			 V T2, T3, T7, T8;
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| 			 T2 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
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| 			 T3 = LD(&(xi[WS(is, 8)]), ivs, &(xi[0]));
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| 			 T4 = VADD(T2, T3);
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| 			 Tz = VSUB(T2, T3);
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| 			 T7 = LD(&(xi[WS(is, 10)]), ivs, &(xi[0]));
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| 			 T8 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
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| 			 T9 = VADD(T7, T8);
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| 			 TA = VSUB(T7, T8);
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| 		    }
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| 		    T5 = VADD(T1, T4);
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| 		    Ta = VADD(T6, T9);
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| 		    TJ = VSUB(Tz, TA);
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| 		    TB = VADD(Tz, TA);
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| 		    Tq = VFNMS(LDK(KP500000000), T9, T6);
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| 		    Tp = VFNMS(LDK(KP500000000), T4, T1);
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| 	       }
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| 	       {
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| 		    V Tc, Th, Tf, Tw, Tk, Tx;
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| 		    Tc = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
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| 		    Th = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
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| 		    {
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| 			 V Td, Te, Ti, Tj;
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| 			 Td = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
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| 			 Te = LD(&(xi[WS(is, 11)]), ivs, &(xi[WS(is, 1)]));
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| 			 Tf = VADD(Td, Te);
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| 			 Tw = VSUB(Td, Te);
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| 			 Ti = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
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| 			 Tj = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
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| 			 Tk = VADD(Ti, Tj);
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| 			 Tx = VSUB(Tj, Ti);
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| 		    }
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| 		    Tg = VADD(Tc, Tf);
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| 		    Tl = VADD(Th, Tk);
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| 		    TG = VADD(Tw, Tx);
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| 		    Ty = VSUB(Tw, Tx);
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| 		    Tt = VFNMS(LDK(KP500000000), Tk, Th);
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| 		    Ts = VFNMS(LDK(KP500000000), Tf, Tc);
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| 	       }
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| 	       {
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| 		    V Tb, Tm, Tn, To;
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| 		    Tb = VSUB(T5, Ta);
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| 		    Tm = VSUB(Tg, Tl);
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| 		    ST(&(xo[WS(os, 3)]), VFNMSI(Tm, Tb), ovs, &(xo[WS(os, 1)]));
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| 		    ST(&(xo[WS(os, 9)]), VFMAI(Tm, Tb), ovs, &(xo[WS(os, 1)]));
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| 		    Tn = VADD(T5, Ta);
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| 		    To = VADD(Tg, Tl);
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| 		    ST(&(xo[WS(os, 6)]), VSUB(Tn, To), ovs, &(xo[0]));
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| 		    ST(&(xo[0]), VADD(Tn, To), ovs, &(xo[0]));
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| 	       }
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| 	       {
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| 		    V TC, TE, Tv, TD, Tr, Tu;
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| 		    TC = VMUL(LDK(KP866025403), VSUB(Ty, TB));
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| 		    TE = VMUL(LDK(KP866025403), VADD(TB, Ty));
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| 		    Tr = VADD(Tp, Tq);
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| 		    Tu = VADD(Ts, Tt);
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| 		    Tv = VSUB(Tr, Tu);
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| 		    TD = VADD(Tr, Tu);
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| 		    ST(&(xo[WS(os, 10)]), VFNMSI(TC, Tv), ovs, &(xo[0]));
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| 		    ST(&(xo[WS(os, 4)]), VFMAI(TE, TD), ovs, &(xo[0]));
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| 		    ST(&(xo[WS(os, 2)]), VFMAI(TC, Tv), ovs, &(xo[0]));
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| 		    ST(&(xo[WS(os, 8)]), VFNMSI(TE, TD), ovs, &(xo[0]));
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| 	       }
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| 	       {
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| 		    V TH, TL, TK, TM, TF, TI;
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| 		    TF = VSUB(Tp, Tq);
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| 		    TH = VFNMS(LDK(KP866025403), TG, TF);
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| 		    TL = VFMA(LDK(KP866025403), TG, TF);
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| 		    TI = VSUB(Ts, Tt);
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| 		    TK = VFMA(LDK(KP866025403), TJ, TI);
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| 		    TM = VFNMS(LDK(KP866025403), TJ, TI);
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| 		    ST(&(xo[WS(os, 1)]), VFMAI(TK, TH), ovs, &(xo[WS(os, 1)]));
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| 		    ST(&(xo[WS(os, 7)]), VFNMSI(TM, TL), ovs, &(xo[WS(os, 1)]));
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| 		    ST(&(xo[WS(os, 11)]), VFNMSI(TK, TH), ovs, &(xo[WS(os, 1)]));
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| 		    ST(&(xo[WS(os, 5)]), VFMAI(TM, TL), ovs, &(xo[WS(os, 1)]));
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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 = { 12, XSIMD_STRING("n1bv_12"), { 30, 2, 18, 0 }, &GENUS, 0, 0, 0, 0 };
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| 
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| void XSIMD(codelet_n1bv_12) (planner *p) { X(kdft_register) (p, n1bv_12, &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 12 -name n1bv_12 -include dft/simd/n1b.h */
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| 
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| /*
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|  * This function contains 48 FP additions, 8 FP multiplications,
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|  * (or, 44 additions, 4 multiplications, 4 fused multiply/add),
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|  * 27 stack variables, 2 constants, and 24 memory accesses
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|  */
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| #include "dft/simd/n1b.h"
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| 
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| static void n1bv_12(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(KP866025403, +0.866025403784438646763723170752936183471402627);
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|      DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
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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(24, is), MAKE_VOLATILE_STRIDE(24, os)) {
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| 	       V T5, Ta, TG, TF, Ty, Tm, Ti, Tp, TJ, TI, Tx, Ts;
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| 	       {
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| 		    V T1, T6, T4, Tk, T9, Tl;
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| 		    T1 = LD(&(xi[0]), ivs, &(xi[0]));
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| 		    T6 = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
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| 		    {
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| 			 V T2, T3, T7, T8;
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| 			 T2 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
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| 			 T3 = LD(&(xi[WS(is, 8)]), ivs, &(xi[0]));
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| 			 T4 = VADD(T2, T3);
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| 			 Tk = VSUB(T2, T3);
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| 			 T7 = LD(&(xi[WS(is, 10)]), ivs, &(xi[0]));
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| 			 T8 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
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| 			 T9 = VADD(T7, T8);
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| 			 Tl = VSUB(T7, T8);
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| 		    }
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| 		    T5 = VFNMS(LDK(KP500000000), T4, T1);
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| 		    Ta = VFNMS(LDK(KP500000000), T9, T6);
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| 		    TG = VADD(T6, T9);
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| 		    TF = VADD(T1, T4);
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| 		    Ty = VADD(Tk, Tl);
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| 		    Tm = VMUL(LDK(KP866025403), VSUB(Tk, Tl));
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| 	       }
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| 	       {
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| 		    V Tn, Tq, Te, To, Th, Tr;
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| 		    Tn = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
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| 		    Tq = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
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| 		    {
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| 			 V Tc, Td, Tf, Tg;
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| 			 Tc = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
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| 			 Td = LD(&(xi[WS(is, 11)]), ivs, &(xi[WS(is, 1)]));
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| 			 Te = VSUB(Tc, Td);
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| 			 To = VADD(Tc, Td);
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| 			 Tf = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
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| 			 Tg = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
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| 			 Th = VSUB(Tf, Tg);
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| 			 Tr = VADD(Tf, Tg);
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| 		    }
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| 		    Ti = VMUL(LDK(KP866025403), VSUB(Te, Th));
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| 		    Tp = VFNMS(LDK(KP500000000), To, Tn);
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| 		    TJ = VADD(Tq, Tr);
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| 		    TI = VADD(Tn, To);
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| 		    Tx = VADD(Te, Th);
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| 		    Ts = VFNMS(LDK(KP500000000), Tr, Tq);
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| 	       }
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| 	       {
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| 		    V TH, TK, TL, TM;
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| 		    TH = VSUB(TF, TG);
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| 		    TK = VBYI(VSUB(TI, TJ));
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| 		    ST(&(xo[WS(os, 3)]), VSUB(TH, TK), ovs, &(xo[WS(os, 1)]));
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| 		    ST(&(xo[WS(os, 9)]), VADD(TH, TK), ovs, &(xo[WS(os, 1)]));
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| 		    TL = VADD(TF, TG);
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| 		    TM = VADD(TI, TJ);
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| 		    ST(&(xo[WS(os, 6)]), VSUB(TL, TM), ovs, &(xo[0]));
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| 		    ST(&(xo[0]), VADD(TL, TM), ovs, &(xo[0]));
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| 	       }
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| 	       {
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| 		    V Tj, Tv, Tu, Tw, Tb, Tt;
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| 		    Tb = VSUB(T5, Ta);
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| 		    Tj = VSUB(Tb, Ti);
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| 		    Tv = VADD(Tb, Ti);
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| 		    Tt = VSUB(Tp, Ts);
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| 		    Tu = VBYI(VADD(Tm, Tt));
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| 		    Tw = VBYI(VSUB(Tt, Tm));
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| 		    ST(&(xo[WS(os, 11)]), VSUB(Tj, Tu), ovs, &(xo[WS(os, 1)]));
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| 		    ST(&(xo[WS(os, 5)]), VADD(Tv, Tw), ovs, &(xo[WS(os, 1)]));
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| 		    ST(&(xo[WS(os, 1)]), VADD(Tj, Tu), ovs, &(xo[WS(os, 1)]));
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| 		    ST(&(xo[WS(os, 7)]), VSUB(Tv, Tw), ovs, &(xo[WS(os, 1)]));
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| 	       }
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| 	       {
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| 		    V Tz, TD, TC, TE, TA, TB;
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| 		    Tz = VBYI(VMUL(LDK(KP866025403), VSUB(Tx, Ty)));
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| 		    TD = VBYI(VMUL(LDK(KP866025403), VADD(Ty, Tx)));
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| 		    TA = VADD(T5, Ta);
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| 		    TB = VADD(Tp, Ts);
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| 		    TC = VSUB(TA, TB);
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| 		    TE = VADD(TA, TB);
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| 		    ST(&(xo[WS(os, 2)]), VADD(Tz, TC), ovs, &(xo[0]));
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| 		    ST(&(xo[WS(os, 8)]), VSUB(TE, TD), ovs, &(xo[0]));
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| 		    ST(&(xo[WS(os, 10)]), VSUB(TC, Tz), ovs, &(xo[0]));
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| 		    ST(&(xo[WS(os, 4)]), VADD(TD, TE), ovs, &(xo[0]));
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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 = { 12, XSIMD_STRING("n1bv_12"), { 44, 4, 4, 0 }, &GENUS, 0, 0, 0, 0 };
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| 
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| void XSIMD(codelet_n1bv_12) (planner *p) { X(kdft_register) (p, n1bv_12, &desc);
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| }
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| 
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| #endif
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