annotate src/fftw-3.3.8/dft/simd/common/n2bv_20.c @ 167:bd3cc4d1df30

Add FFTW 3.3.8 source, and a Linux build

/*
 * Copyright (c) 2003, 2007-14 Matteo Frigo
 * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

/* This file was automatically generated --- DO NOT EDIT */
/* Generated on Thu May 24 08:05:19 EDT 2018 */

#include "dft/codelet-dft.h"

#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)

/* Generated by: ../../../genfft/gen_notw_c.native -fma -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 20 -name n2bv_20 -with-ostride 2 -include dft/simd/n2b.h -store-multiple 2 */

/*
 * This function contains 104 FP additions, 50 FP multiplications,
 * (or, 58 additions, 4 multiplications, 46 fused multiply/add),
 * 57 stack variables, 4 constants, and 50 memory accesses
 */
#include "dft/simd/n2b.h"

static void n2bv_20(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
     DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
     DVK(KP618033988, +0.618033988749894848204586834365638117720309180);
     DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
     DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
     {
	  INT i;
	  const R *xi;
	  R *xo;
	  xi = ii;
	  xo = io;
	  for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(40, is), MAKE_VOLATILE_STRIDE(40, os)) {
	       V T3, T1r, TE, T13, Ts, TL, TM, Tz, T16, T19, T1a, T1v, T1w, T1x, T1s;
	       V T1t, T1u, T1d, T1g, T1h, Ti, Tk, TH, TJ;
	       {
		    V T1, T2, T11, TC, TD, T12;
		    T1 = LD(&(xi[0]), ivs, &(xi[0]));
		    T2 = LD(&(xi[WS(is, 10)]), ivs, &(xi[0]));
		    T11 = VADD(T1, T2);
		    TC = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
		    TD = LD(&(xi[WS(is, 15)]), ivs, &(xi[WS(is, 1)]));
		    T12 = VADD(TC, TD);
		    T3 = VSUB(T1, T2);
		    T1r = VADD(T11, T12);
		    TE = VSUB(TC, TD);
		    T13 = VSUB(T11, T12);
	       }
	       {
		    V T6, T14, Tv, T1c, Ty, T1f, T9, T17, Td, T1b, To, T15, Tr, T18, Tg;
		    V T1e;
		    {
			 V T4, T5, Tt, Tu;
			 T4 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
			 T5 = LD(&(xi[WS(is, 14)]), ivs, &(xi[0]));
			 T6 = VSUB(T4, T5);
			 T14 = VADD(T4, T5);
			 Tt = LD(&(xi[WS(is, 13)]), ivs, &(xi[WS(is, 1)]));
			 Tu = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
			 Tv = VSUB(Tt, Tu);
			 T1c = VADD(Tt, Tu);
		    }
		    {
			 V Tw, Tx, T7, T8;
			 Tw = LD(&(xi[WS(is, 17)]), ivs, &(xi[WS(is, 1)]));
			 Tx = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
			 Ty = VSUB(Tw, Tx);
			 T1f = VADD(Tw, Tx);
			 T7 = LD(&(xi[WS(is, 16)]), ivs, &(xi[0]));
			 T8 = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
			 T9 = VSUB(T7, T8);
			 T17 = VADD(T7, T8);
		    }
		    {
			 V Tb, Tc, Tm, Tn;
			 Tb = LD(&(xi[WS(is, 8)]), ivs, &(xi[0]));
			 Tc = LD(&(xi[WS(is, 18)]), ivs, &(xi[0]));
			 Td = VSUB(Tb, Tc);
			 T1b = VADD(Tb, Tc);
			 Tm = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
			 Tn = LD(&(xi[WS(is, 19)]), ivs, &(xi[WS(is, 1)]));
			 To = VSUB(Tm, Tn);
			 T15 = VADD(Tm, Tn);
		    }
		    {
			 V Tp, Tq, Te, Tf;
			 Tp = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
			 Tq = LD(&(xi[WS(is, 11)]), ivs, &(xi[WS(is, 1)]));
			 Tr = VSUB(Tp, Tq);
			 T18 = VADD(Tp, Tq);
			 Te = LD(&(xi[WS(is, 12)]), ivs, &(xi[0]));
			 Tf = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
			 Tg = VSUB(Te, Tf);
			 T1e = VADD(Te, Tf);
		    }
		    Ts = VSUB(To, Tr);
		    TL = VSUB(T6, T9);
		    TM = VSUB(Td, Tg);
		    Tz = VSUB(Tv, Ty);
		    T16 = VSUB(T14, T15);
		    T19 = VSUB(T17, T18);
		    T1a = VADD(T16, T19);
		    T1v = VADD(T1b, T1c);
		    T1w = VADD(T1e, T1f);
		    T1x = VADD(T1v, T1w);
		    T1s = VADD(T14, T15);
		    T1t = VADD(T17, T18);
		    T1u = VADD(T1s, T1t);
		    T1d = VSUB(T1b, T1c);
		    T1g = VSUB(T1e, T1f);
		    T1h = VADD(T1d, T1g);
		    {
			 V Ta, Th, TF, TG;
			 Ta = VADD(T6, T9);
			 Th = VADD(Td, Tg);
			 Ti = VADD(Ta, Th);
			 Tk = VSUB(Ta, Th);
			 TF = VADD(To, Tr);
			 TG = VADD(Tv, Ty);
			 TH = VADD(TF, TG);
			 TJ = VSUB(TF, TG);
		    }
	       }
	       {
		    V T1H, T1J, T1K, T1L, T1N, T1I, TZ, T10;
		    TZ = VADD(T3, Ti);
		    T10 = VADD(TE, TH);
		    T1H = VFNMSI(T10, TZ);
		    STM2(&(xo[30]), T1H, ovs, &(xo[2]));
		    T1I = VFMAI(T10, TZ);
		    STM2(&(xo[10]), T1I, ovs, &(xo[2]));
		    {
			 V T1A, T1y, T1z, T1E, T1G, T1C, T1D, T1F, T1B, T1M;
			 T1A = VSUB(T1u, T1x);
			 T1y = VADD(T1u, T1x);
			 T1z = VFNMS(LDK(KP250000000), T1y, T1r);
			 T1C = VSUB(T1s, T1t);
			 T1D = VSUB(T1v, T1w);
			 T1E = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), T1D, T1C));
			 T1G = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), T1C, T1D));
			 T1J = VADD(T1r, T1y);
			 STM2(&(xo[0]), T1J, ovs, &(xo[0]));
			 T1F = VFNMS(LDK(KP559016994), T1A, T1z);
			 T1K = VFMAI(T1G, T1F);
			 STM2(&(xo[16]), T1K, ovs, &(xo[0]));
			 T1L = VFNMSI(T1G, T1F);
			 STM2(&(xo[24]), T1L, ovs, &(xo[0]));
			 T1B = VFMA(LDK(KP559016994), T1A, T1z);
			 T1M = VFNMSI(T1E, T1B);
			 STM2(&(xo[8]), T1M, ovs, &(xo[0]));
			 STN2(&(xo[8]), T1M, T1I, ovs);
			 T1N = VFMAI(T1E, T1B);
			 STM2(&(xo[32]), T1N, ovs, &(xo[0]));
		    }
		    {
			 V T1O, T1P, T1R, T1S;
			 {
			      V T1k, T1i, T1j, T1o, T1q, T1m, T1n, T1p, T1Q, T1l;
			      T1k = VSUB(T1a, T1h);
			      T1i = VADD(T1a, T1h);
			      T1j = VFNMS(LDK(KP250000000), T1i, T13);
			      T1m = VSUB(T1d, T1g);
			      T1n = VSUB(T16, T19);
			      T1o = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), T1n, T1m));
			      T1q = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), T1m, T1n));
			      T1O = VADD(T13, T1i);
			      STM2(&(xo[20]), T1O, ovs, &(xo[0]));
			      T1p = VFMA(LDK(KP559016994), T1k, T1j);
			      T1P = VFMAI(T1q, T1p);
			      STM2(&(xo[12]), T1P, ovs, &(xo[0]));
			      T1Q = VFNMSI(T1q, T1p);
			      STM2(&(xo[28]), T1Q, ovs, &(xo[0]));
			      STN2(&(xo[28]), T1Q, T1H, ovs);
			      T1l = VFNMS(LDK(KP559016994), T1k, T1j);
			      T1R = VFNMSI(T1o, T1l);
			      STM2(&(xo[4]), T1R, ovs, &(xo[0]));
			      T1S = VFMAI(T1o, T1l);
			      STM2(&(xo[36]), T1S, ovs, &(xo[0]));
			 }
			 {
			      V TA, TN, TV, TS, TK, TU, Tl, TR, TI, Tj;
			      TA = VFMA(LDK(KP618033988), Tz, Ts);
			      TN = VFMA(LDK(KP618033988), TM, TL);
			      TV = VFNMS(LDK(KP618033988), TL, TM);
			      TS = VFNMS(LDK(KP618033988), Ts, Tz);
			      TI = VFNMS(LDK(KP250000000), TH, TE);
			      TK = VFMA(LDK(KP559016994), TJ, TI);
			      TU = VFNMS(LDK(KP559016994), TJ, TI);
			      Tj = VFNMS(LDK(KP250000000), Ti, T3);
			      Tl = VFMA(LDK(KP559016994), Tk, Tj);
			      TR = VFNMS(LDK(KP559016994), Tk, Tj);
			      {
				   V TB, TO, T1T, T1U;
				   TB = VFNMS(LDK(KP951056516), TA, Tl);
				   TO = VFMA(LDK(KP951056516), TN, TK);
				   T1T = VFNMSI(TO, TB);
				   STM2(&(xo[38]), T1T, ovs, &(xo[2]));
				   STN2(&(xo[36]), T1S, T1T, ovs);
				   T1U = VFMAI(TO, TB);
				   STM2(&(xo[2]), T1U, ovs, &(xo[2]));
				   STN2(&(xo[0]), T1J, T1U, ovs);
			      }
			      {
				   V TX, TY, T1V, T1W;
				   TX = VFNMS(LDK(KP951056516), TS, TR);
				   TY = VFMA(LDK(KP951056516), TV, TU);
				   T1V = VFNMSI(TY, TX);
				   STM2(&(xo[14]), T1V, ovs, &(xo[2]));
				   STN2(&(xo[12]), T1P, T1V, ovs);
				   T1W = VFMAI(TY, TX);
				   STM2(&(xo[26]), T1W, ovs, &(xo[2]));
				   STN2(&(xo[24]), T1L, T1W, ovs);
			      }
			      {
				   V TP, TQ, T1X, T1Y;
				   TP = VFMA(LDK(KP951056516), TA, Tl);
				   TQ = VFNMS(LDK(KP951056516), TN, TK);
				   T1X = VFNMSI(TQ, TP);
				   STM2(&(xo[22]), T1X, ovs, &(xo[2]));
				   STN2(&(xo[20]), T1O, T1X, ovs);
				   T1Y = VFMAI(TQ, TP);
				   STM2(&(xo[18]), T1Y, ovs, &(xo[2]));
				   STN2(&(xo[16]), T1K, T1Y, ovs);
			      }
			      {
				   V TT, TW, T1Z, T20;
				   TT = VFMA(LDK(KP951056516), TS, TR);
				   TW = VFNMS(LDK(KP951056516), TV, TU);
				   T1Z = VFNMSI(TW, TT);
				   STM2(&(xo[6]), T1Z, ovs, &(xo[2]));
				   STN2(&(xo[4]), T1R, T1Z, ovs);
				   T20 = VFMAI(TW, TT);
				   STM2(&(xo[34]), T20, ovs, &(xo[2]));
				   STN2(&(xo[32]), T1N, T20, ovs);
			      }
			 }
		    }
	       }
	  }
     }
     VLEAVE();
}

static const kdft_desc desc = { 20, XSIMD_STRING("n2bv_20"), {58, 4, 46, 0}, &GENUS, 0, 2, 0, 0 };

void XSIMD(codelet_n2bv_20) (planner *p) {
     X(kdft_register) (p, n2bv_20, &desc);
}

#else

/* Generated by: ../../../genfft/gen_notw_c.native -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 20 -name n2bv_20 -with-ostride 2 -include dft/simd/n2b.h -store-multiple 2 */

/*
 * This function contains 104 FP additions, 24 FP multiplications,
 * (or, 92 additions, 12 multiplications, 12 fused multiply/add),
 * 57 stack variables, 4 constants, and 50 memory accesses
 */
#include "dft/simd/n2b.h"

static void n2bv_20(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
     DVK(KP587785252, +0.587785252292473129168705954639072768597652438);
     DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
     DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
     DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
     {
	  INT i;
	  const R *xi;
	  R *xo;
	  xi = ii;
	  xo = io;
	  for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(40, is), MAKE_VOLATILE_STRIDE(40, os)) {
	       V T3, T1y, TH, T1i, Ts, TL, TM, Tz, T13, T16, T1j, T1u, T1v, T1w, T1r;
	       V T1s, T1t, T1a, T1d, T1k, Ti, Tk, TE, TI;
	       {
		    V T1, T2, T1g, TF, TG, T1h;
		    T1 = LD(&(xi[0]), ivs, &(xi[0]));
		    T2 = LD(&(xi[WS(is, 10)]), ivs, &(xi[0]));
		    T1g = VADD(T1, T2);
		    TF = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
		    TG = LD(&(xi[WS(is, 15)]), ivs, &(xi[WS(is, 1)]));
		    T1h = VADD(TF, TG);
		    T3 = VSUB(T1, T2);
		    T1y = VADD(T1g, T1h);
		    TH = VSUB(TF, TG);
		    T1i = VSUB(T1g, T1h);
	       }
	       {
		    V T6, T11, Tv, T19, Ty, T1c, T9, T14, Td, T18, To, T12, Tr, T15, Tg;
		    V T1b;
		    {
			 V T4, T5, Tt, Tu;
			 T4 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
			 T5 = LD(&(xi[WS(is, 14)]), ivs, &(xi[0]));
			 T6 = VSUB(T4, T5);
			 T11 = VADD(T4, T5);
			 Tt = LD(&(xi[WS(is, 13)]), ivs, &(xi[WS(is, 1)]));
			 Tu = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
			 Tv = VSUB(Tt, Tu);
			 T19 = VADD(Tt, Tu);
		    }
		    {
			 V Tw, Tx, T7, T8;
			 Tw = LD(&(xi[WS(is, 17)]), ivs, &(xi[WS(is, 1)]));
			 Tx = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
			 Ty = VSUB(Tw, Tx);
			 T1c = VADD(Tw, Tx);
			 T7 = LD(&(xi[WS(is, 16)]), ivs, &(xi[0]));
			 T8 = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
			 T9 = VSUB(T7, T8);
			 T14 = VADD(T7, T8);
		    }
		    {
			 V Tb, Tc, Tm, Tn;
			 Tb = LD(&(xi[WS(is, 8)]), ivs, &(xi[0]));
			 Tc = LD(&(xi[WS(is, 18)]), ivs, &(xi[0]));
			 Td = VSUB(Tb, Tc);
			 T18 = VADD(Tb, Tc);
			 Tm = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
			 Tn = LD(&(xi[WS(is, 19)]), ivs, &(xi[WS(is, 1)]));
			 To = VSUB(Tm, Tn);
			 T12 = VADD(Tm, Tn);
		    }
		    {
			 V Tp, Tq, Te, Tf;
			 Tp = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
			 Tq = LD(&(xi[WS(is, 11)]), ivs, &(xi[WS(is, 1)]));
			 Tr = VSUB(Tp, Tq);
			 T15 = VADD(Tp, Tq);
			 Te = LD(&(xi[WS(is, 12)]), ivs, &(xi[0]));
			 Tf = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
			 Tg = VSUB(Te, Tf);
			 T1b = VADD(Te, Tf);
		    }
		    Ts = VSUB(To, Tr);
		    TL = VSUB(T6, T9);
		    TM = VSUB(Td, Tg);
		    Tz = VSUB(Tv, Ty);
		    T13 = VSUB(T11, T12);
		    T16 = VSUB(T14, T15);
		    T1j = VADD(T13, T16);
		    T1u = VADD(T18, T19);
		    T1v = VADD(T1b, T1c);
		    T1w = VADD(T1u, T1v);
		    T1r = VADD(T11, T12);
		    T1s = VADD(T14, T15);
		    T1t = VADD(T1r, T1s);
		    T1a = VSUB(T18, T19);
		    T1d = VSUB(T1b, T1c);
		    T1k = VADD(T1a, T1d);
		    {
			 V Ta, Th, TC, TD;
			 Ta = VADD(T6, T9);
			 Th = VADD(Td, Tg);
			 Ti = VADD(Ta, Th);
			 Tk = VMUL(LDK(KP559016994), VSUB(Ta, Th));
			 TC = VADD(To, Tr);
			 TD = VADD(Tv, Ty);
			 TE = VMUL(LDK(KP559016994), VSUB(TC, TD));
			 TI = VADD(TC, TD);
		    }
	       }
	       {
		    V T1H, T1J, T1K, T1L, T1N, T1I, TZ, T10;
		    TZ = VADD(T3, Ti);
		    T10 = VBYI(VADD(TH, TI));
		    T1H = VSUB(TZ, T10);
		    STM2(&(xo[30]), T1H, ovs, &(xo[2]));
		    T1I = VADD(TZ, T10);
		    STM2(&(xo[10]), T1I, ovs, &(xo[2]));
		    {
			 V T1x, T1z, T1A, T1E, T1G, T1C, T1D, T1F, T1B, T1M;
			 T1x = VMUL(LDK(KP559016994), VSUB(T1t, T1w));
			 T1z = VADD(T1t, T1w);
			 T1A = VFNMS(LDK(KP250000000), T1z, T1y);
			 T1C = VSUB(T1r, T1s);
			 T1D = VSUB(T1u, T1v);
			 T1E = VBYI(VFMA(LDK(KP951056516), T1C, VMUL(LDK(KP587785252), T1D)));
			 T1G = VBYI(VFNMS(LDK(KP951056516), T1D, VMUL(LDK(KP587785252), T1C)));
			 T1J = VADD(T1y, T1z);
			 STM2(&(xo[0]), T1J, ovs, &(xo[0]));
			 T1F = VSUB(T1A, T1x);
			 T1K = VSUB(T1F, T1G);
			 STM2(&(xo[16]), T1K, ovs, &(xo[0]));
			 T1L = VADD(T1G, T1F);
			 STM2(&(xo[24]), T1L, ovs, &(xo[0]));
			 T1B = VADD(T1x, T1A);
			 T1M = VSUB(T1B, T1E);
			 STM2(&(xo[8]), T1M, ovs, &(xo[0]));
			 STN2(&(xo[8]), T1M, T1I, ovs);
			 T1N = VADD(T1E, T1B);
			 STM2(&(xo[32]), T1N, ovs, &(xo[0]));
		    }
		    {
			 V T1O, T1P, T1R, T1S;
			 {
			      V T1n, T1l, T1m, T1f, T1p, T17, T1e, T1q, T1Q, T1o;
			      T1n = VMUL(LDK(KP559016994), VSUB(T1j, T1k));
			      T1l = VADD(T1j, T1k);
			      T1m = VFNMS(LDK(KP250000000), T1l, T1i);
			      T17 = VSUB(T13, T16);
			      T1e = VSUB(T1a, T1d);
			      T1f = VBYI(VFNMS(LDK(KP951056516), T1e, VMUL(LDK(KP587785252), T17)));
			      T1p = VBYI(VFMA(LDK(KP951056516), T17, VMUL(LDK(KP587785252), T1e)));
			      T1O = VADD(T1i, T1l);
			      STM2(&(xo[20]), T1O, ovs, &(xo[0]));
			      T1q = VADD(T1n, T1m);
			      T1P = VADD(T1p, T1q);
			      STM2(&(xo[12]), T1P, ovs, &(xo[0]));
			      T1Q = VSUB(T1q, T1p);
			      STM2(&(xo[28]), T1Q, ovs, &(xo[0]));
			      STN2(&(xo[28]), T1Q, T1H, ovs);
			      T1o = VSUB(T1m, T1n);
			      T1R = VADD(T1f, T1o);
			      STM2(&(xo[4]), T1R, ovs, &(xo[0]));
			      T1S = VSUB(T1o, T1f);
			      STM2(&(xo[36]), T1S, ovs, &(xo[0]));
			 }
			 {
			      V TA, TN, TU, TS, TK, TV, Tl, TR, TJ, Tj;
			      TA = VFNMS(LDK(KP951056516), Tz, VMUL(LDK(KP587785252), Ts));
			      TN = VFNMS(LDK(KP951056516), TM, VMUL(LDK(KP587785252), TL));
			      TU = VFMA(LDK(KP951056516), TL, VMUL(LDK(KP587785252), TM));
			      TS = VFMA(LDK(KP951056516), Ts, VMUL(LDK(KP587785252), Tz));
			      TJ = VFNMS(LDK(KP250000000), TI, TH);
			      TK = VSUB(TE, TJ);
			      TV = VADD(TE, TJ);
			      Tj = VFNMS(LDK(KP250000000), Ti, T3);
			      Tl = VSUB(Tj, Tk);
			      TR = VADD(Tk, Tj);
			      {
				   V TB, TO, T1T, T1U;
				   TB = VSUB(Tl, TA);
				   TO = VBYI(VSUB(TK, TN));
				   T1T = VSUB(TB, TO);
				   STM2(&(xo[34]), T1T, ovs, &(xo[2]));
				   STN2(&(xo[32]), T1N, T1T, ovs);
				   T1U = VADD(TB, TO);
				   STM2(&(xo[6]), T1U, ovs, &(xo[2]));
				   STN2(&(xo[4]), T1R, T1U, ovs);
			      }
			      {
				   V TX, TY, T1V, T1W;
				   TX = VADD(TR, TS);
				   TY = VBYI(VSUB(TV, TU));
				   T1V = VSUB(TX, TY);
				   STM2(&(xo[22]), T1V, ovs, &(xo[2]));
				   STN2(&(xo[20]), T1O, T1V, ovs);
				   T1W = VADD(TX, TY);
				   STM2(&(xo[18]), T1W, ovs, &(xo[2]));
				   STN2(&(xo[16]), T1K, T1W, ovs);
			      }
			      {
				   V TP, TQ, T1X, T1Y;
				   TP = VADD(Tl, TA);
				   TQ = VBYI(VADD(TN, TK));
				   T1X = VSUB(TP, TQ);
				   STM2(&(xo[26]), T1X, ovs, &(xo[2]));
				   STN2(&(xo[24]), T1L, T1X, ovs);
				   T1Y = VADD(TP, TQ);
				   STM2(&(xo[14]), T1Y, ovs, &(xo[2]));
				   STN2(&(xo[12]), T1P, T1Y, ovs);
			      }
			      {
				   V TT, TW, T1Z, T20;
				   TT = VSUB(TR, TS);
				   TW = VBYI(VADD(TU, TV));
				   T1Z = VSUB(TT, TW);
				   STM2(&(xo[38]), T1Z, ovs, &(xo[2]));
				   STN2(&(xo[36]), T1S, T1Z, ovs);
				   T20 = VADD(TT, TW);
				   STM2(&(xo[2]), T20, ovs, &(xo[2]));
				   STN2(&(xo[0]), T1J, T20, ovs);
			      }
			 }
		    }
	       }
	  }
     }
     VLEAVE();
}

static const kdft_desc desc = { 20, XSIMD_STRING("n2bv_20"), {92, 12, 12, 0}, &GENUS, 0, 2, 0, 0 };

void XSIMD(codelet_n2bv_20) (planner *p) {
     X(kdft_register) (p, n2bv_20, &desc);
}

#endif