303 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			303 lines
		
	
	
		
			9.3 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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/* 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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#include "dft/codelet-dft.h"
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#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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/* Generated by: ../../../genfft/gen_notw_c.native -fma -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 12 -name n2bv_12 -with-ostride 2 -include dft/simd/n2b.h -store-multiple 2 */
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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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 * 33 stack variables, 2 constants, and 30 memory accesses
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 */
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#include "dft/simd/n2b.h"
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static void n2bv_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 TN, TO, TP, TQ, TR, TS;
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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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			 TN = VFNMSI(Tm, Tb);
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			 STM2(&(xo[6]), TN, ovs, &(xo[2]));
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			 TO = VFMAI(Tm, Tb);
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			 STM2(&(xo[18]), TO, ovs, &(xo[2]));
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			 Tn = VADD(T5, Ta);
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			 To = VADD(Tg, Tl);
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			 TP = VSUB(Tn, To);
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			 STM2(&(xo[12]), TP, ovs, &(xo[0]));
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			 TQ = VADD(Tn, To);
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			 STM2(&(xo[0]), TQ, ovs, &(xo[0]));
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		    }
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		    {
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			 V TC, TE, Tv, TD, Tr, Tu, TT, 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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			 TR = VFNMSI(TC, Tv);
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			 STM2(&(xo[20]), TR, ovs, &(xo[0]));
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			 TS = VFMAI(TE, TD);
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			 STM2(&(xo[8]), TS, ovs, &(xo[0]));
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			 TT = VFMAI(TC, Tv);
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			 STM2(&(xo[4]), TT, ovs, &(xo[0]));
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			 STN2(&(xo[4]), TT, TN, ovs);
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			 TU = VFNMSI(TE, TD);
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			 STM2(&(xo[16]), TU, ovs, &(xo[0]));
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			 STN2(&(xo[16]), TU, TO, ovs);
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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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			 {
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			      V TV, TW, TX, TY;
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			      TV = VFMAI(TK, TH);
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			      STM2(&(xo[2]), TV, ovs, &(xo[2]));
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			      STN2(&(xo[0]), TQ, TV, ovs);
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			      TW = VFNMSI(TM, TL);
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			      STM2(&(xo[14]), TW, ovs, &(xo[2]));
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			      STN2(&(xo[12]), TP, TW, ovs);
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			      TX = VFNMSI(TK, TH);
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			      STM2(&(xo[22]), TX, ovs, &(xo[2]));
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			      STN2(&(xo[20]), TR, TX, ovs);
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			      TY = VFMAI(TM, TL);
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			      STM2(&(xo[10]), TY, ovs, &(xo[2]));
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			      STN2(&(xo[8]), TS, TY, ovs);
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			 }
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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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static const kdft_desc desc = { 12, XSIMD_STRING("n2bv_12"), { 30, 2, 18, 0 }, &GENUS, 0, 2, 0, 0 };
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void XSIMD(codelet_n2bv_12) (planner *p) { X(kdft_register) (p, n2bv_12, &desc);
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}
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#else
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/* Generated by: ../../../genfft/gen_notw_c.native -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 12 -name n2bv_12 -with-ostride 2 -include dft/simd/n2b.h -store-multiple 2 */
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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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 * 33 stack variables, 2 constants, and 30 memory accesses
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 */
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#include "dft/simd/n2b.h"
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static void n2bv_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 TN, TO, TP, TQ, TR, TS;
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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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			 TN = VSUB(TH, TK);
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			 STM2(&(xo[6]), TN, ovs, &(xo[2]));
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			 TO = VADD(TH, TK);
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			 STM2(&(xo[18]), TO, ovs, &(xo[2]));
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			 TL = VADD(TF, TG);
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			 TM = VADD(TI, TJ);
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			 TP = VSUB(TL, TM);
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			 STM2(&(xo[12]), TP, ovs, &(xo[0]));
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			 TQ = VADD(TL, TM);
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			 STM2(&(xo[0]), TQ, ovs, &(xo[0]));
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		    }
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		    {
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			 V Tj, Tv, Tu, Tw, Tb, Tt, TT, TU;
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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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			 TR = VSUB(Tj, Tu);
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			 STM2(&(xo[22]), TR, ovs, &(xo[2]));
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			 TS = VADD(Tv, Tw);
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			 STM2(&(xo[10]), TS, ovs, &(xo[2]));
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			 TT = VADD(Tj, Tu);
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			 STM2(&(xo[2]), TT, ovs, &(xo[2]));
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			 STN2(&(xo[0]), TQ, TT, ovs);
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			 TU = VSUB(Tv, Tw);
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			 STM2(&(xo[14]), TU, ovs, &(xo[2]));
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			 STN2(&(xo[12]), TP, TU, ovs);
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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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			 {
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			      V TV, TW, TX, TY;
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			      TV = VADD(Tz, TC);
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			      STM2(&(xo[4]), TV, ovs, &(xo[0]));
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			      STN2(&(xo[4]), TV, TN, ovs);
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			      TW = VSUB(TE, TD);
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			      STM2(&(xo[16]), TW, ovs, &(xo[0]));
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			      STN2(&(xo[16]), TW, TO, ovs);
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			      TX = VSUB(TC, Tz);
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			      STM2(&(xo[20]), TX, ovs, &(xo[0]));
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			      STN2(&(xo[20]), TX, TR, ovs);
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			      TY = VADD(TD, TE);
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			      STM2(&(xo[8]), TY, ovs, &(xo[0]));
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			      STN2(&(xo[8]), TY, TS, ovs);
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			 }
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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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static const kdft_desc desc = { 12, XSIMD_STRING("n2bv_12"), { 44, 4, 4, 0 }, &GENUS, 0, 2, 0, 0 };
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void XSIMD(codelet_n2bv_12) (planner *p) { X(kdft_register) (p, n2bv_12, &desc);
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}
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#endif
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