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diff src/fftw-3.3.3/dft/simd/common/t2bv_20.c @ 10:37bf6b4a2645

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Add FFTW3
author Chris Cannam
date Wed, 20 Mar 2013 15:35:50 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.3/dft/simd/common/t2bv_20.c	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,519 @@
+/*
+ * Copyright (c) 2003, 2007-11 Matteo Frigo
+ * Copyright (c) 2003, 2007-11 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 Sun Nov 25 07:39:14 EST 2012 */
+
+#include "codelet-dft.h"
+
+#ifdef HAVE_FMA
+
+/* Generated by: ../../../genfft/gen_twiddle_c.native -fma -reorder-insns -schedule-for-pipeline -simd -compact -variables 4 -pipeline-latency 8 -n 20 -name t2bv_20 -include t2b.h -sign 1 */
+
+/*
+ * This function contains 123 FP additions, 88 FP multiplications,
+ * (or, 77 additions, 42 multiplications, 46 fused multiply/add),
+ * 68 stack variables, 4 constants, and 40 memory accesses
+ */
+#include "t2b.h"
+
+static void t2bv_20(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
+{
+     DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
+     DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
+     DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
+     DVK(KP618033988, +0.618033988749894848204586834365638117720309180);
+     {
+	  INT m;
+	  R *x;
+	  x = ii;
+	  for (m = mb, W = W + (mb * ((TWVL / VL) * 38)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 38), MAKE_VOLATILE_STRIDE(20, rs)) {
+	       V T4, TX, T1m, T1K, T1y, Tk, Tf, T14, TQ, TZ, T1O, T1w, T1L, T1p, T1M;
+	       V T1s, TF, TY, T1x, Tp;
+	       {
+		    V T1, TV, T2, TT;
+		    T1 = LD(&(x[0]), ms, &(x[0]));
+		    TV = LD(&(x[WS(rs, 15)]), ms, &(x[WS(rs, 1)]));
+		    T2 = LD(&(x[WS(rs, 10)]), ms, &(x[0]));
+		    TT = LD(&(x[WS(rs, 5)]), ms, &(x[WS(rs, 1)]));
+		    {
+			 V T9, T1n, TK, T1v, TP, Te, T1q, T1u, TB, TD, Tm, T1o, Tz, Tn, T1r;
+			 V TE, To;
+			 {
+			      V TM, TO, Ta, Tc;
+			      {
+				   V T5, T7, TG, TI, T1k, T1l;
+				   T5 = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
+				   T7 = LD(&(x[WS(rs, 14)]), ms, &(x[0]));
+				   TG = LD(&(x[WS(rs, 13)]), ms, &(x[WS(rs, 1)]));
+				   TI = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
+				   {
+					V TW, T3, TU, T6, T8, TH, TJ, TL, TN;
+					TL = LD(&(x[WS(rs, 17)]), ms, &(x[WS(rs, 1)]));
+					TW = BYTW(&(W[TWVL * 28]), TV);
+					T3 = BYTW(&(W[TWVL * 18]), T2);
+					TU = BYTW(&(W[TWVL * 8]), TT);
+					T6 = BYTW(&(W[TWVL * 6]), T5);
+					T8 = BYTW(&(W[TWVL * 26]), T7);
+					TH = BYTW(&(W[TWVL * 24]), TG);
+					TJ = BYTW(&(W[TWVL * 4]), TI);
+					TM = BYTW(&(W[TWVL * 32]), TL);
+					TN = LD(&(x[WS(rs, 7)]), ms, &(x[WS(rs, 1)]));
+					T4 = VSUB(T1, T3);
+					T1k = VADD(T1, T3);
+					TX = VSUB(TU, TW);
+					T1l = VADD(TU, TW);
+					T9 = VSUB(T6, T8);
+					T1n = VADD(T6, T8);
+					TK = VSUB(TH, TJ);
+					T1v = VADD(TH, TJ);
+					TO = BYTW(&(W[TWVL * 12]), TN);
+				   }
+				   Ta = LD(&(x[WS(rs, 16)]), ms, &(x[0]));
+				   T1m = VSUB(T1k, T1l);
+				   T1K = VADD(T1k, T1l);
+				   Tc = LD(&(x[WS(rs, 6)]), ms, &(x[0]));
+			      }
+			      {
+				   V Tb, Tx, Td, Th, Tj, Tw, Tg, Ti, Tv;
+				   Tg = LD(&(x[WS(rs, 8)]), ms, &(x[0]));
+				   Ti = LD(&(x[WS(rs, 18)]), ms, &(x[0]));
+				   Tv = LD(&(x[WS(rs, 9)]), ms, &(x[WS(rs, 1)]));
+				   TP = VSUB(TM, TO);
+				   T1y = VADD(TM, TO);
+				   Tb = BYTW(&(W[TWVL * 30]), Ta);
+				   Tx = LD(&(x[WS(rs, 19)]), ms, &(x[WS(rs, 1)]));
+				   Td = BYTW(&(W[TWVL * 10]), Tc);
+				   Th = BYTW(&(W[TWVL * 14]), Tg);
+				   Tj = BYTW(&(W[TWVL * 34]), Ti);
+				   Tw = BYTW(&(W[TWVL * 16]), Tv);
+				   {
+					V TA, TC, Ty, Tl;
+					TA = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
+					TC = LD(&(x[WS(rs, 11)]), ms, &(x[WS(rs, 1)]));
+					Tl = LD(&(x[WS(rs, 12)]), ms, &(x[0]));
+					Ty = BYTW(&(W[TWVL * 36]), Tx);
+					Te = VSUB(Tb, Td);
+					T1q = VADD(Tb, Td);
+					Tk = VSUB(Th, Tj);
+					T1u = VADD(Th, Tj);
+					TB = BYTW(&(W[0]), TA);
+					TD = BYTW(&(W[TWVL * 20]), TC);
+					Tm = BYTW(&(W[TWVL * 22]), Tl);
+					T1o = VADD(Tw, Ty);
+					Tz = VSUB(Tw, Ty);
+					Tn = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
+				   }
+			      }
+			 }
+			 Tf = VADD(T9, Te);
+			 T14 = VSUB(T9, Te);
+			 TQ = VSUB(TK, TP);
+			 TZ = VADD(TK, TP);
+			 T1r = VADD(TB, TD);
+			 TE = VSUB(TB, TD);
+			 T1O = VADD(T1u, T1v);
+			 T1w = VSUB(T1u, T1v);
+			 To = BYTW(&(W[TWVL * 2]), Tn);
+			 T1L = VADD(T1n, T1o);
+			 T1p = VSUB(T1n, T1o);
+			 T1M = VADD(T1q, T1r);
+			 T1s = VSUB(T1q, T1r);
+			 TF = VSUB(Tz, TE);
+			 TY = VADD(Tz, TE);
+			 T1x = VADD(Tm, To);
+			 Tp = VSUB(Tm, To);
+		    }
+	       }
+	       {
+		    V T1V, T1N, T12, T1b, TR, T1G, T1t, T1z, T1P, Tq, T15, T11, T1j, T10;
+		    T1V = VSUB(T1L, T1M);
+		    T1N = VADD(T1L, T1M);
+		    T12 = VSUB(TY, TZ);
+		    T10 = VADD(TY, TZ);
+		    T1b = VFNMS(LDK(KP618033988), TF, TQ);
+		    TR = VFMA(LDK(KP618033988), TQ, TF);
+		    T1G = VSUB(T1p, T1s);
+		    T1t = VADD(T1p, T1s);
+		    T1z = VSUB(T1x, T1y);
+		    T1P = VADD(T1x, T1y);
+		    Tq = VADD(Tk, Tp);
+		    T15 = VSUB(Tk, Tp);
+		    T11 = VFNMS(LDK(KP250000000), T10, TX);
+		    T1j = VADD(TX, T10);
+		    {
+			 V T1J, T1H, T1D, T1Z, T1X, T1T, T1f, T1h, T19, T17, T1C, T1S, T1a, Tu, T1F;
+			 V T1A;
+			 T1F = VSUB(T1w, T1z);
+			 T1A = VADD(T1w, T1z);
+			 {
+			      V T1W, T1Q, Tt, Tr;
+			      T1W = VSUB(T1O, T1P);
+			      T1Q = VADD(T1O, T1P);
+			      Tt = VSUB(Tf, Tq);
+			      Tr = VADD(Tf, Tq);
+			      {
+				   V T1e, T16, T1d, T13;
+				   T1e = VFNMS(LDK(KP618033988), T14, T15);
+				   T16 = VFMA(LDK(KP618033988), T15, T14);
+				   T1d = VFNMS(LDK(KP559016994), T12, T11);
+				   T13 = VFMA(LDK(KP559016994), T12, T11);
+				   T1J = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), T1F, T1G));
+				   T1H = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), T1G, T1F));
+				   {
+					V T1B, T1R, Ts, T1i;
+					T1B = VADD(T1t, T1A);
+					T1D = VSUB(T1t, T1A);
+					T1Z = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), T1V, T1W));
+					T1X = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), T1W, T1V));
+					T1R = VADD(T1N, T1Q);
+					T1T = VSUB(T1N, T1Q);
+					Ts = VFNMS(LDK(KP250000000), Tr, T4);
+					T1i = VADD(T4, Tr);
+					T1f = VFNMS(LDK(KP951056516), T1e, T1d);
+					T1h = VFMA(LDK(KP951056516), T1e, T1d);
+					T19 = VFNMS(LDK(KP951056516), T16, T13);
+					T17 = VFMA(LDK(KP951056516), T16, T13);
+					ST(&(x[WS(rs, 10)]), VADD(T1m, T1B), ms, &(x[0]));
+					T1C = VFNMS(LDK(KP250000000), T1B, T1m);
+					ST(&(x[0]), VADD(T1K, T1R), ms, &(x[0]));
+					T1S = VFNMS(LDK(KP250000000), T1R, T1K);
+					T1a = VFNMS(LDK(KP559016994), Tt, Ts);
+					Tu = VFMA(LDK(KP559016994), Tt, Ts);
+					ST(&(x[WS(rs, 5)]), VFMAI(T1j, T1i), ms, &(x[WS(rs, 1)]));
+					ST(&(x[WS(rs, 15)]), VFNMSI(T1j, T1i), ms, &(x[WS(rs, 1)]));
+				   }
+			      }
+			 }
+			 {
+			      V T1E, T1I, T1U, T1Y;
+			      T1E = VFNMS(LDK(KP559016994), T1D, T1C);
+			      T1I = VFMA(LDK(KP559016994), T1D, T1C);
+			      T1U = VFMA(LDK(KP559016994), T1T, T1S);
+			      T1Y = VFNMS(LDK(KP559016994), T1T, T1S);
+			      {
+				   V T1c, T1g, T18, TS;
+				   T1c = VFMA(LDK(KP951056516), T1b, T1a);
+				   T1g = VFNMS(LDK(KP951056516), T1b, T1a);
+				   T18 = VFMA(LDK(KP951056516), TR, Tu);
+				   TS = VFNMS(LDK(KP951056516), TR, Tu);
+				   ST(&(x[WS(rs, 18)]), VFMAI(T1H, T1E), ms, &(x[0]));
+				   ST(&(x[WS(rs, 2)]), VFNMSI(T1H, T1E), ms, &(x[0]));
+				   ST(&(x[WS(rs, 14)]), VFNMSI(T1J, T1I), ms, &(x[0]));
+				   ST(&(x[WS(rs, 6)]), VFMAI(T1J, T1I), ms, &(x[0]));
+				   ST(&(x[WS(rs, 16)]), VFMAI(T1X, T1U), ms, &(x[0]));
+				   ST(&(x[WS(rs, 4)]), VFNMSI(T1X, T1U), ms, &(x[0]));
+				   ST(&(x[WS(rs, 12)]), VFNMSI(T1Z, T1Y), ms, &(x[0]));
+				   ST(&(x[WS(rs, 8)]), VFMAI(T1Z, T1Y), ms, &(x[0]));
+				   ST(&(x[WS(rs, 17)]), VFMAI(T1f, T1c), ms, &(x[WS(rs, 1)]));
+				   ST(&(x[WS(rs, 3)]), VFNMSI(T1f, T1c), ms, &(x[WS(rs, 1)]));
+				   ST(&(x[WS(rs, 13)]), VFMAI(T1h, T1g), ms, &(x[WS(rs, 1)]));
+				   ST(&(x[WS(rs, 7)]), VFNMSI(T1h, T1g), ms, &(x[WS(rs, 1)]));
+				   ST(&(x[WS(rs, 9)]), VFMAI(T19, T18), ms, &(x[WS(rs, 1)]));
+				   ST(&(x[WS(rs, 11)]), VFNMSI(T19, T18), ms, &(x[WS(rs, 1)]));
+				   ST(&(x[WS(rs, 1)]), VFMAI(T17, TS), ms, &(x[WS(rs, 1)]));
+				   ST(&(x[WS(rs, 19)]), VFNMSI(T17, TS), ms, &(x[WS(rs, 1)]));
+			      }
+			 }
+		    }
+	       }
+	  }
+     }
+     VLEAVE();
+}
+
+static const tw_instr twinstr[] = {
+     VTW(0, 1),
+     VTW(0, 2),
+     VTW(0, 3),
+     VTW(0, 4),
+     VTW(0, 5),
+     VTW(0, 6),
+     VTW(0, 7),
+     VTW(0, 8),
+     VTW(0, 9),
+     VTW(0, 10),
+     VTW(0, 11),
+     VTW(0, 12),
+     VTW(0, 13),
+     VTW(0, 14),
+     VTW(0, 15),
+     VTW(0, 16),
+     VTW(0, 17),
+     VTW(0, 18),
+     VTW(0, 19),
+     {TW_NEXT, VL, 0}
+};
+
+static const ct_desc desc = { 20, XSIMD_STRING("t2bv_20"), twinstr, &GENUS, {77, 42, 46, 0}, 0, 0, 0 };
+
+void XSIMD(codelet_t2bv_20) (planner *p) {
+     X(kdft_dit_register) (p, t2bv_20, &desc);
+}
+#else				/* HAVE_FMA */
+
+/* Generated by: ../../../genfft/gen_twiddle_c.native -simd -compact -variables 4 -pipeline-latency 8 -n 20 -name t2bv_20 -include t2b.h -sign 1 */
+
+/*
+ * This function contains 123 FP additions, 62 FP multiplications,
+ * (or, 111 additions, 50 multiplications, 12 fused multiply/add),
+ * 54 stack variables, 4 constants, and 40 memory accesses
+ */
+#include "t2b.h"
+
+static void t2bv_20(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
+{
+     DVK(KP587785252, +0.587785252292473129168705954639072768597652438);
+     DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
+     DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
+     DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
+     {
+	  INT m;
+	  R *x;
+	  x = ii;
+	  for (m = mb, W = W + (mb * ((TWVL / VL) * 38)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 38), MAKE_VOLATILE_STRIDE(20, rs)) {
+	       V T4, T10, T1B, T1R, TF, T14, T15, TQ, Tf, Tq, Tr, T1N, T1O, T1P, T1t;
+	       V T1w, T1D, TT, TU, T11, T1K, T1L, T1M, T1m, T1p, T1C, T1i, T1j;
+	       {
+		    V T1, TZ, T3, TX, TY, T2, TW, T1z, T1A;
+		    T1 = LD(&(x[0]), ms, &(x[0]));
+		    TY = LD(&(x[WS(rs, 15)]), ms, &(x[WS(rs, 1)]));
+		    TZ = BYTW(&(W[TWVL * 28]), TY);
+		    T2 = LD(&(x[WS(rs, 10)]), ms, &(x[0]));
+		    T3 = BYTW(&(W[TWVL * 18]), T2);
+		    TW = LD(&(x[WS(rs, 5)]), ms, &(x[WS(rs, 1)]));
+		    TX = BYTW(&(W[TWVL * 8]), TW);
+		    T4 = VSUB(T1, T3);
+		    T10 = VSUB(TX, TZ);
+		    T1z = VADD(T1, T3);
+		    T1A = VADD(TX, TZ);
+		    T1B = VSUB(T1z, T1A);
+		    T1R = VADD(T1z, T1A);
+	       }
+	       {
+		    V T9, T1k, TK, T1s, TP, T1v, Te, T1n, Tk, T1r, Tz, T1l, TE, T1o, Tp;
+		    V T1u;
+		    {
+			 V T6, T8, T5, T7;
+			 T5 = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
+			 T6 = BYTW(&(W[TWVL * 6]), T5);
+			 T7 = LD(&(x[WS(rs, 14)]), ms, &(x[0]));
+			 T8 = BYTW(&(W[TWVL * 26]), T7);
+			 T9 = VSUB(T6, T8);
+			 T1k = VADD(T6, T8);
+		    }
+		    {
+			 V TH, TJ, TG, TI;
+			 TG = LD(&(x[WS(rs, 13)]), ms, &(x[WS(rs, 1)]));
+			 TH = BYTW(&(W[TWVL * 24]), TG);
+			 TI = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
+			 TJ = BYTW(&(W[TWVL * 4]), TI);
+			 TK = VSUB(TH, TJ);
+			 T1s = VADD(TH, TJ);
+		    }
+		    {
+			 V TM, TO, TL, TN;
+			 TL = LD(&(x[WS(rs, 17)]), ms, &(x[WS(rs, 1)]));
+			 TM = BYTW(&(W[TWVL * 32]), TL);
+			 TN = LD(&(x[WS(rs, 7)]), ms, &(x[WS(rs, 1)]));
+			 TO = BYTW(&(W[TWVL * 12]), TN);
+			 TP = VSUB(TM, TO);
+			 T1v = VADD(TM, TO);
+		    }
+		    {
+			 V Tb, Td, Ta, Tc;
+			 Ta = LD(&(x[WS(rs, 16)]), ms, &(x[0]));
+			 Tb = BYTW(&(W[TWVL * 30]), Ta);
+			 Tc = LD(&(x[WS(rs, 6)]), ms, &(x[0]));
+			 Td = BYTW(&(W[TWVL * 10]), Tc);
+			 Te = VSUB(Tb, Td);
+			 T1n = VADD(Tb, Td);
+		    }
+		    {
+			 V Th, Tj, Tg, Ti;
+			 Tg = LD(&(x[WS(rs, 8)]), ms, &(x[0]));
+			 Th = BYTW(&(W[TWVL * 14]), Tg);
+			 Ti = LD(&(x[WS(rs, 18)]), ms, &(x[0]));
+			 Tj = BYTW(&(W[TWVL * 34]), Ti);
+			 Tk = VSUB(Th, Tj);
+			 T1r = VADD(Th, Tj);
+		    }
+		    {
+			 V Tw, Ty, Tv, Tx;
+			 Tv = LD(&(x[WS(rs, 9)]), ms, &(x[WS(rs, 1)]));
+			 Tw = BYTW(&(W[TWVL * 16]), Tv);
+			 Tx = LD(&(x[WS(rs, 19)]), ms, &(x[WS(rs, 1)]));
+			 Ty = BYTW(&(W[TWVL * 36]), Tx);
+			 Tz = VSUB(Tw, Ty);
+			 T1l = VADD(Tw, Ty);
+		    }
+		    {
+			 V TB, TD, TA, TC;
+			 TA = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
+			 TB = BYTW(&(W[0]), TA);
+			 TC = LD(&(x[WS(rs, 11)]), ms, &(x[WS(rs, 1)]));
+			 TD = BYTW(&(W[TWVL * 20]), TC);
+			 TE = VSUB(TB, TD);
+			 T1o = VADD(TB, TD);
+		    }
+		    {
+			 V Tm, To, Tl, Tn;
+			 Tl = LD(&(x[WS(rs, 12)]), ms, &(x[0]));
+			 Tm = BYTW(&(W[TWVL * 22]), Tl);
+			 Tn = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
+			 To = BYTW(&(W[TWVL * 2]), Tn);
+			 Tp = VSUB(Tm, To);
+			 T1u = VADD(Tm, To);
+		    }
+		    TF = VSUB(Tz, TE);
+		    T14 = VSUB(T9, Te);
+		    T15 = VSUB(Tk, Tp);
+		    TQ = VSUB(TK, TP);
+		    Tf = VADD(T9, Te);
+		    Tq = VADD(Tk, Tp);
+		    Tr = VADD(Tf, Tq);
+		    T1N = VADD(T1r, T1s);
+		    T1O = VADD(T1u, T1v);
+		    T1P = VADD(T1N, T1O);
+		    T1t = VSUB(T1r, T1s);
+		    T1w = VSUB(T1u, T1v);
+		    T1D = VADD(T1t, T1w);
+		    TT = VADD(Tz, TE);
+		    TU = VADD(TK, TP);
+		    T11 = VADD(TT, TU);
+		    T1K = VADD(T1k, T1l);
+		    T1L = VADD(T1n, T1o);
+		    T1M = VADD(T1K, T1L);
+		    T1m = VSUB(T1k, T1l);
+		    T1p = VSUB(T1n, T1o);
+		    T1C = VADD(T1m, T1p);
+	       }
+	       T1i = VADD(T4, Tr);
+	       T1j = VBYI(VADD(T10, T11));
+	       ST(&(x[WS(rs, 15)]), VSUB(T1i, T1j), ms, &(x[WS(rs, 1)]));
+	       ST(&(x[WS(rs, 5)]), VADD(T1i, T1j), ms, &(x[WS(rs, 1)]));
+	       {
+		    V T1Q, T1S, T1T, T1X, T1Z, T1V, T1W, T1Y, T1U;
+		    T1Q = VMUL(LDK(KP559016994), VSUB(T1M, T1P));
+		    T1S = VADD(T1M, T1P);
+		    T1T = VFNMS(LDK(KP250000000), T1S, T1R);
+		    T1V = VSUB(T1K, T1L);
+		    T1W = VSUB(T1N, T1O);
+		    T1X = VBYI(VFMA(LDK(KP951056516), T1V, VMUL(LDK(KP587785252), T1W)));
+		    T1Z = VBYI(VFNMS(LDK(KP951056516), T1W, VMUL(LDK(KP587785252), T1V)));
+		    ST(&(x[0]), VADD(T1R, T1S), ms, &(x[0]));
+		    T1Y = VSUB(T1T, T1Q);
+		    ST(&(x[WS(rs, 8)]), VSUB(T1Y, T1Z), ms, &(x[0]));
+		    ST(&(x[WS(rs, 12)]), VADD(T1Z, T1Y), ms, &(x[0]));
+		    T1U = VADD(T1Q, T1T);
+		    ST(&(x[WS(rs, 4)]), VSUB(T1U, T1X), ms, &(x[0]));
+		    ST(&(x[WS(rs, 16)]), VADD(T1X, T1U), ms, &(x[0]));
+	       }
+	       {
+		    V T1G, T1E, T1F, T1y, T1I, T1q, T1x, T1J, T1H;
+		    T1G = VMUL(LDK(KP559016994), VSUB(T1C, T1D));
+		    T1E = VADD(T1C, T1D);
+		    T1F = VFNMS(LDK(KP250000000), T1E, T1B);
+		    T1q = VSUB(T1m, T1p);
+		    T1x = VSUB(T1t, T1w);
+		    T1y = VBYI(VFNMS(LDK(KP951056516), T1x, VMUL(LDK(KP587785252), T1q)));
+		    T1I = VBYI(VFMA(LDK(KP951056516), T1q, VMUL(LDK(KP587785252), T1x)));
+		    ST(&(x[WS(rs, 10)]), VADD(T1B, T1E), ms, &(x[0]));
+		    T1J = VADD(T1G, T1F);
+		    ST(&(x[WS(rs, 6)]), VADD(T1I, T1J), ms, &(x[0]));
+		    ST(&(x[WS(rs, 14)]), VSUB(T1J, T1I), ms, &(x[0]));
+		    T1H = VSUB(T1F, T1G);
+		    ST(&(x[WS(rs, 2)]), VADD(T1y, T1H), ms, &(x[0]));
+		    ST(&(x[WS(rs, 18)]), VSUB(T1H, T1y), ms, &(x[0]));
+	       }
+	       {
+		    V TR, T16, T1d, T1b, T13, T1e, Tu, T1a;
+		    TR = VFNMS(LDK(KP951056516), TQ, VMUL(LDK(KP587785252), TF));
+		    T16 = VFNMS(LDK(KP951056516), T15, VMUL(LDK(KP587785252), T14));
+		    T1d = VFMA(LDK(KP951056516), T14, VMUL(LDK(KP587785252), T15));
+		    T1b = VFMA(LDK(KP951056516), TF, VMUL(LDK(KP587785252), TQ));
+		    {
+			 V TV, T12, Ts, Tt;
+			 TV = VMUL(LDK(KP559016994), VSUB(TT, TU));
+			 T12 = VFNMS(LDK(KP250000000), T11, T10);
+			 T13 = VSUB(TV, T12);
+			 T1e = VADD(TV, T12);
+			 Ts = VFNMS(LDK(KP250000000), Tr, T4);
+			 Tt = VMUL(LDK(KP559016994), VSUB(Tf, Tq));
+			 Tu = VSUB(Ts, Tt);
+			 T1a = VADD(Tt, Ts);
+		    }
+		    {
+			 V TS, T17, T1g, T1h;
+			 TS = VSUB(Tu, TR);
+			 T17 = VBYI(VSUB(T13, T16));
+			 ST(&(x[WS(rs, 17)]), VSUB(TS, T17), ms, &(x[WS(rs, 1)]));
+			 ST(&(x[WS(rs, 3)]), VADD(TS, T17), ms, &(x[WS(rs, 1)]));
+			 T1g = VADD(T1a, T1b);
+			 T1h = VBYI(VSUB(T1e, T1d));
+			 ST(&(x[WS(rs, 11)]), VSUB(T1g, T1h), ms, &(x[WS(rs, 1)]));
+			 ST(&(x[WS(rs, 9)]), VADD(T1g, T1h), ms, &(x[WS(rs, 1)]));
+		    }
+		    {
+			 V T18, T19, T1c, T1f;
+			 T18 = VADD(Tu, TR);
+			 T19 = VBYI(VADD(T16, T13));
+			 ST(&(x[WS(rs, 13)]), VSUB(T18, T19), ms, &(x[WS(rs, 1)]));
+			 ST(&(x[WS(rs, 7)]), VADD(T18, T19), ms, &(x[WS(rs, 1)]));
+			 T1c = VSUB(T1a, T1b);
+			 T1f = VBYI(VADD(T1d, T1e));
+			 ST(&(x[WS(rs, 19)]), VSUB(T1c, T1f), ms, &(x[WS(rs, 1)]));
+			 ST(&(x[WS(rs, 1)]), VADD(T1c, T1f), ms, &(x[WS(rs, 1)]));
+		    }
+	       }
+	  }
+     }
+     VLEAVE();
+}
+
+static const tw_instr twinstr[] = {
+     VTW(0, 1),
+     VTW(0, 2),
+     VTW(0, 3),
+     VTW(0, 4),
+     VTW(0, 5),
+     VTW(0, 6),
+     VTW(0, 7),
+     VTW(0, 8),
+     VTW(0, 9),
+     VTW(0, 10),
+     VTW(0, 11),
+     VTW(0, 12),
+     VTW(0, 13),
+     VTW(0, 14),
+     VTW(0, 15),
+     VTW(0, 16),
+     VTW(0, 17),
+     VTW(0, 18),
+     VTW(0, 19),
+     {TW_NEXT, VL, 0}
+};
+
+static const ct_desc desc = { 20, XSIMD_STRING("t2bv_20"), twinstr, &GENUS, {111, 50, 12, 0}, 0, 0, 0 };
+
+void XSIMD(codelet_t2bv_20) (planner *p) {
+     X(kdft_dit_register) (p, t2bv_20, &desc);
+}
+#endif				/* HAVE_FMA */