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n2bv_16.c

/*
 * Copyright (c) 2003, 2006 Matteo Frigo
 * Copyright (c) 2003, 2006 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

/* This file was automatically generated --- DO NOT EDIT */
/* Generated on Sat Jul  1 14:37:49 EDT 2006 */

#include "codelet-dft.h"

#ifdef HAVE_FMA

/* Generated by: ../../../genfft/gen_notw_c -fma -reorder-insns -schedule-for-pipeline -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 16 -name n2bv_16 -with-ostride 2 -include n2b.h -store-multiple 2 */

/*
 * This function contains 72 FP additions, 34 FP multiplications,
 * (or, 38 additions, 0 multiplications, 34 fused multiply/add),
 * 62 stack variables, and 40 memory accesses
 */
/*
 * Generator Id's : 
 * $Id: algsimp.ml,v 1.9 2006-02-12 23:34:12 athena Exp $
 * $Id: fft.ml,v 1.4 2006-01-05 03:04:27 stevenj Exp $
 * $Id: gen_notw_c.ml,v 1.17 2006-02-12 23:34:12 athena Exp $
 */

#include "n2b.h"

static void n2bv_16(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
     DVK(KP923879532, +0.923879532511286756128183189396788286822416626);
     DVK(KP414213562, +0.414213562373095048801688724209698078569671875);
     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
     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(is), MAKE_VOLATILE_STRIDE(os)) {
        V T7, Tu, TF, TB, T13, TL, TO, TX, TC, Te, TP, Th, TQ, Tk, TW;
        V T16;
        {
             V TH, TU, Tz, Tf, TK, TV, TA, TM, Ta, TN, Td, Tg, Ti, Tj;
             {
                V T1, T2, T4, T5, To, Tp, Tr, Ts;
                T1 = LD(&(xi[0]), ivs, &(xi[0]));
                T2 = LD(&(xi[WS(is, 8)]), ivs, &(xi[0]));
                T4 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
                T5 = LD(&(xi[WS(is, 12)]), ivs, &(xi[0]));
                To = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
                Tp = LD(&(xi[WS(is, 10)]), ivs, &(xi[0]));
                Tr = LD(&(xi[WS(is, 14)]), ivs, &(xi[0]));
                Ts = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
                {
                   V T8, TI, Tq, TJ, Tt, T9, Tb, Tc, T3, T6;
                   T8 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
                   TH = VSUB(T1, T2);
                   T3 = VADD(T1, T2);
                   TU = VSUB(T4, T5);
                   T6 = VADD(T4, T5);
                   TI = VSUB(To, Tp);
                   Tq = VADD(To, Tp);
                   TJ = VSUB(Tr, Ts);
                   Tt = VADD(Tr, Ts);
                   T9 = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
                   Tb = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
                   Tc = LD(&(xi[WS(is, 13)]), ivs, &(xi[WS(is, 1)]));
                   T7 = VSUB(T3, T6);
                   Tz = VADD(T3, T6);
                   Tf = LD(&(xi[WS(is, 15)]), ivs, &(xi[WS(is, 1)]));
                   TK = VADD(TI, TJ);
                   TV = VSUB(TI, TJ);
                   TA = VADD(Tq, Tt);
                   Tu = VSUB(Tq, Tt);
                   TM = VSUB(T8, T9);
                   Ta = VADD(T8, T9);
                   TN = VSUB(Tb, Tc);
                   Td = VADD(Tb, Tc);
                   Tg = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
                   Ti = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
                   Tj = LD(&(xi[WS(is, 11)]), ivs, &(xi[WS(is, 1)]));
                }
             }
             TF = VADD(Tz, TA);
             TB = VSUB(Tz, TA);
             T13 = VFNMS(LDK(KP707106781), TK, TH);
             TL = VFMA(LDK(KP707106781), TK, TH);
             TO = VFNMS(LDK(KP414213562), TN, TM);
             TX = VFMA(LDK(KP414213562), TM, TN);
             TC = VADD(Ta, Td);
             Te = VSUB(Ta, Td);
             TP = VSUB(Tf, Tg);
             Th = VADD(Tf, Tg);
             TQ = VSUB(Tj, Ti);
             Tk = VADD(Ti, Tj);
             TW = VFMA(LDK(KP707106781), TV, TU);
             T16 = VFNMS(LDK(KP707106781), TV, TU);
        }
        {
             V TY, TR, Tl, TD;
             TY = VFMA(LDK(KP414213562), TP, TQ);
             TR = VFNMS(LDK(KP414213562), TQ, TP);
             Tl = VSUB(Th, Tk);
             TD = VADD(Th, Tk);
             {
                V TS, T17, TZ, T14;
                TS = VADD(TO, TR);
                T17 = VSUB(TO, TR);
                TZ = VSUB(TX, TY);
                T14 = VADD(TX, TY);
                {
                   V TE, TG, Tm, Tv;
                   TE = VSUB(TC, TD);
                   TG = VADD(TC, TD);
                   Tm = VADD(Te, Tl);
                   Tv = VSUB(Te, Tl);
                   {
                        V T18, T1a, TT, T11;
                        T18 = VFMA(LDK(KP923879532), T17, T16);
                        T1a = VFNMS(LDK(KP923879532), T17, T16);
                        TT = VFNMS(LDK(KP923879532), TS, TL);
                        T11 = VFMA(LDK(KP923879532), TS, TL);
                        {
                           V T15, T19, T10, T12;
                           T15 = VFNMS(LDK(KP923879532), T14, T13);
                           T19 = VFMA(LDK(KP923879532), T14, T13);
                           T10 = VFNMS(LDK(KP923879532), TZ, TW);
                           T12 = VFMA(LDK(KP923879532), TZ, TW);
                           {
                              V T1b, T1c, T1d, T1e;
                              T1b = VADD(TF, TG);
                              STM2(&(xo[0]), T1b, ovs, &(xo[0]));
                              T1c = VSUB(TF, TG);
                              STM2(&(xo[16]), T1c, ovs, &(xo[0]));
                              T1d = VFMAI(TE, TB);
                              STM2(&(xo[8]), T1d, ovs, &(xo[0]));
                              T1e = VFNMSI(TE, TB);
                              STM2(&(xo[24]), T1e, ovs, &(xo[0]));
                              {
                                   V Tw, Ty, Tn, Tx;
                                   Tw = VFNMS(LDK(KP707106781), Tv, Tu);
                                   Ty = VFMA(LDK(KP707106781), Tv, Tu);
                                   Tn = VFNMS(LDK(KP707106781), Tm, T7);
                                   Tx = VFMA(LDK(KP707106781), Tm, T7);
                                   {
                                      V T1f, T1g, T1h, T1i;
                                      T1f = VFNMSI(T1a, T19);
                                      STM2(&(xo[6]), T1f, ovs, &(xo[2]));
                                      T1g = VFMAI(T1a, T19);
                                      STM2(&(xo[26]), T1g, ovs, &(xo[2]));
                                      STN2(&(xo[24]), T1e, T1g, ovs);
                                      T1h = VFNMSI(T18, T15);
                                      STM2(&(xo[22]), T1h, ovs, &(xo[2]));
                                      T1i = VFMAI(T18, T15);
                                      STM2(&(xo[10]), T1i, ovs, &(xo[2]));
                                      STN2(&(xo[8]), T1d, T1i, ovs);
                                      {
                                           V T1j, T1k, T1l, T1m;
                                           T1j = VFNMSI(T12, T11);
                                           STM2(&(xo[30]), T1j, ovs, &(xo[2]));
                                           T1k = VFMAI(T12, T11);
                                           STM2(&(xo[2]), T1k, ovs, &(xo[2]));
                                           STN2(&(xo[0]), T1b, T1k, ovs);
                                           T1l = VFMAI(T10, TT);
                                           STM2(&(xo[18]), T1l, ovs, &(xo[2]));
                                           STN2(&(xo[16]), T1c, T1l, ovs);
                                           T1m = VFNMSI(T10, TT);
                                           STM2(&(xo[14]), T1m, ovs, &(xo[2]));
                                           {
                                              V T1n, T1o, T1p, T1q;
                                              T1n = VFMAI(Ty, Tx);
                                              STM2(&(xo[4]), T1n, ovs, &(xo[0]));
                                              STN2(&(xo[4]), T1n, T1f, ovs);
                                              T1o = VFNMSI(Ty, Tx);
                                              STM2(&(xo[28]), T1o, ovs, &(xo[0]));
                                              STN2(&(xo[28]), T1o, T1j, ovs);
                                              T1p = VFMAI(Tw, Tn);
                                              STM2(&(xo[20]), T1p, ovs, &(xo[0]));
                                              STN2(&(xo[20]), T1p, T1h, ovs);
                                              T1q = VFNMSI(Tw, Tn);
                                              STM2(&(xo[12]), T1q, ovs, &(xo[0]));
                                              STN2(&(xo[12]), T1q, T1m, ovs);
                                           }
                                      }
                                   }
                              }
                           }
                        }
                   }
                }
             }
        }
     }
}

static const kdft_desc desc = { 16, "n2bv_16", {38, 0, 34, 0}, &GENUS, 0, 2, 0, 0 };
void X(codelet_n2bv_16) (planner *p) {
     X(kdft_register) (p, n2bv_16, &desc);
}

#else                   /* HAVE_FMA */

/* Generated by: ../../../genfft/gen_notw_c -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 16 -name n2bv_16 -with-ostride 2 -include n2b.h -store-multiple 2 */

/*
 * This function contains 72 FP additions, 12 FP multiplications,
 * (or, 68 additions, 8 multiplications, 4 fused multiply/add),
 * 38 stack variables, and 40 memory accesses
 */
/*
 * Generator Id's : 
 * $Id: algsimp.ml,v 1.9 2006-02-12 23:34:12 athena Exp $
 * $Id: fft.ml,v 1.4 2006-01-05 03:04:27 stevenj Exp $
 * $Id: gen_notw_c.ml,v 1.17 2006-02-12 23:34:12 athena Exp $
 */

#include "n2b.h"

static void n2bv_16(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
     DVK(KP382683432, +0.382683432365089771728459984030398866761344562);
     DVK(KP923879532, +0.923879532511286756128183189396788286822416626);
     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
     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(is), MAKE_VOLATILE_STRIDE(os)) {
        V Tp, T13, Tu, TY, Tm, T14, Tv, TU, T7, T16, Tx, TN, Te, T17, Ty;
        V TQ;
        {
             V Tn, To, TX, Ts, Tt, TW;
             Tn = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
             To = LD(&(xi[WS(is, 12)]), ivs, &(xi[0]));
             TX = VADD(Tn, To);
             Ts = LD(&(xi[0]), ivs, &(xi[0]));
             Tt = LD(&(xi[WS(is, 8)]), ivs, &(xi[0]));
             TW = VADD(Ts, Tt);
             Tp = VSUB(Tn, To);
             T13 = VADD(TW, TX);
             Tu = VSUB(Ts, Tt);
             TY = VSUB(TW, TX);
        }
        {
             V Ti, TS, Tl, TT;
             {
                V Tg, Th, Tj, Tk;
                Tg = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
                Th = LD(&(xi[WS(is, 10)]), ivs, &(xi[0]));
                Ti = VSUB(Tg, Th);
                TS = VADD(Tg, Th);
                Tj = LD(&(xi[WS(is, 14)]), ivs, &(xi[0]));
                Tk = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
                Tl = VSUB(Tj, Tk);
                TT = VADD(Tj, Tk);
             }
             Tm = VMUL(LDK(KP707106781), VSUB(Ti, Tl));
             T14 = VADD(TS, TT);
             Tv = VMUL(LDK(KP707106781), VADD(Ti, Tl));
             TU = VSUB(TS, TT);
        }
        {
             V T3, TL, T6, TM;
             {
                V T1, T2, T4, T5;
                T1 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
                T2 = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
                T3 = VSUB(T1, T2);
                TL = VADD(T1, T2);
                T4 = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
                T5 = LD(&(xi[WS(is, 13)]), ivs, &(xi[WS(is, 1)]));
                T6 = VSUB(T4, T5);
                TM = VADD(T4, T5);
             }
             T7 = VFNMS(LDK(KP382683432), T6, VMUL(LDK(KP923879532), T3));
             T16 = VADD(TL, TM);
             Tx = VFMA(LDK(KP382683432), T3, VMUL(LDK(KP923879532), T6));
             TN = VSUB(TL, TM);
        }
        {
             V Ta, TO, Td, TP;
             {
                V T8, T9, Tb, Tc;
                T8 = LD(&(xi[WS(is, 15)]), ivs, &(xi[WS(is, 1)]));
                T9 = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
                Ta = VSUB(T8, T9);
                TO = VADD(T8, T9);
                Tb = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
                Tc = LD(&(xi[WS(is, 11)]), ivs, &(xi[WS(is, 1)]));
                Td = VSUB(Tb, Tc);
                TP = VADD(Tb, Tc);
             }
             Te = VFMA(LDK(KP923879532), Ta, VMUL(LDK(KP382683432), Td));
             T17 = VADD(TO, TP);
             Ty = VFNMS(LDK(KP382683432), Ta, VMUL(LDK(KP923879532), Td));
             TQ = VSUB(TO, TP);
        }
        {
             V T1b, T1c, T1d, T1e;
             {
                V T15, T18, T19, T1a;
                T15 = VSUB(T13, T14);
                T18 = VBYI(VSUB(T16, T17));
                T1b = VSUB(T15, T18);
                STM2(&(xo[24]), T1b, ovs, &(xo[0]));
                T1c = VADD(T15, T18);
                STM2(&(xo[8]), T1c, ovs, &(xo[0]));
                T19 = VADD(T13, T14);
                T1a = VADD(T16, T17);
                T1d = VSUB(T19, T1a);
                STM2(&(xo[16]), T1d, ovs, &(xo[0]));
                T1e = VADD(T19, T1a);
                STM2(&(xo[0]), T1e, ovs, &(xo[0]));
             }
             {
                V T1f, T1g, T1h, T1i;
                {
                   V TV, T11, T10, T12, TR, TZ;
                   TR = VMUL(LDK(KP707106781), VSUB(TN, TQ));
                   TV = VBYI(VSUB(TR, TU));
                   T11 = VBYI(VADD(TU, TR));
                   TZ = VMUL(LDK(KP707106781), VADD(TN, TQ));
                   T10 = VSUB(TY, TZ);
                   T12 = VADD(TY, TZ);
                   T1f = VADD(TV, T10);
                   STM2(&(xo[12]), T1f, ovs, &(xo[0]));
                   T1g = VSUB(T12, T11);
                   STM2(&(xo[28]), T1g, ovs, &(xo[0]));
                   T1h = VSUB(T10, TV);
                   STM2(&(xo[20]), T1h, ovs, &(xo[0]));
                   T1i = VADD(T11, T12);
                   STM2(&(xo[4]), T1i, ovs, &(xo[0]));
                }
                {
                   V Tr, TB, TA, TC;
                   {
                        V Tf, Tq, Tw, Tz;
                        Tf = VSUB(T7, Te);
                        Tq = VSUB(Tm, Tp);
                        Tr = VBYI(VSUB(Tf, Tq));
                        TB = VBYI(VADD(Tq, Tf));
                        Tw = VSUB(Tu, Tv);
                        Tz = VSUB(Tx, Ty);
                        TA = VSUB(Tw, Tz);
                        TC = VADD(Tw, Tz);
                   }
                   {
                        V T1j, T1k, T1l, T1m;
                        T1j = VADD(Tr, TA);
                        STM2(&(xo[10]), T1j, ovs, &(xo[2]));
                        STN2(&(xo[8]), T1c, T1j, ovs);
                        T1k = VSUB(TC, TB);
                        STM2(&(xo[26]), T1k, ovs, &(xo[2]));
                        STN2(&(xo[24]), T1b, T1k, ovs);
                        T1l = VSUB(TA, Tr);
                        STM2(&(xo[22]), T1l, ovs, &(xo[2]));
                        STN2(&(xo[20]), T1h, T1l, ovs);
                        T1m = VADD(TB, TC);
                        STM2(&(xo[6]), T1m, ovs, &(xo[2]));
                        STN2(&(xo[4]), T1i, T1m, ovs);
                   }
                }
                {
                   V TF, TJ, TI, TK;
                   {
                        V TD, TE, TG, TH;
                        TD = VADD(Tu, Tv);
                        TE = VADD(T7, Te);
                        TF = VADD(TD, TE);
                        TJ = VSUB(TD, TE);
                        TG = VADD(Tp, Tm);
                        TH = VADD(Tx, Ty);
                        TI = VBYI(VADD(TG, TH));
                        TK = VBYI(VSUB(TH, TG));
                   }
                   {
                        V T1n, T1o, T1p, T1q;
                        T1n = VSUB(TF, TI);
                        STM2(&(xo[30]), T1n, ovs, &(xo[2]));
                        STN2(&(xo[28]), T1g, T1n, ovs);
                        T1o = VADD(TJ, TK);
                        STM2(&(xo[14]), T1o, ovs, &(xo[2]));
                        STN2(&(xo[12]), T1f, T1o, ovs);
                        T1p = VADD(TF, TI);
                        STM2(&(xo[2]), T1p, ovs, &(xo[2]));
                        STN2(&(xo[0]), T1e, T1p, ovs);
                        T1q = VSUB(TJ, TK);
                        STM2(&(xo[18]), T1q, ovs, &(xo[2]));
                        STN2(&(xo[16]), T1d, T1q, ovs);
                   }
                }
             }
        }
     }
}

static const kdft_desc desc = { 16, "n2bv_16", {68, 8, 4, 0}, &GENUS, 0, 2, 0, 0 };
void X(codelet_n2bv_16) (planner *p) {
     X(kdft_register) (p, n2bv_16, &desc);
}

#endif                        /* HAVE_FMA */

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