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n1fv_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 14:25:47 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 -n 16 -name n1fv_16 -include n1f.h */

/*
 * This function contains 72 FP additions, 34 FP multiplications,
 * (or, 38 additions, 0 multiplications, 34 fused multiply/add),
 * 54 stack variables, and 32 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 "n1f.h"

static void n1fv_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 = ri;
     xo = ro;
     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, 14)]), ivs, &(xi[0]));
                Tp = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
                Tr = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
                Ts = LD(&(xi[WS(is, 10)]), ivs, &(xi[0]));
                {
                   V T8, TJ, Tq, TI, 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);
                   TJ = VSUB(To, Tp);
                   Tq = VADD(To, Tp);
                   TI = 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(TJ, TI);
                   TA = VADD(Tt, Tq);
                   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 = VSUB(Tz, TA);
             TB = VADD(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 = VFNMS(LDK(KP707106781), TV, TU);
             T16 = VFMA(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(TR, TO);
                TZ = VSUB(TX, TY);
                T14 = VADD(TX, TY);
                {
                   V TE, TG, Tm, Tv;
                   TE = VADD(TC, TD);
                   TG = VSUB(TD, TC);
                   Tm = VADD(Te, Tl);
                   Tv = VSUB(Tl, Te);
                   {
                        V T18, T1a, TT, T11;
                        T18 = VFNMS(LDK(KP923879532), T17, T16);
                        T1a = VFMA(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);
                           ST(&(xo[WS(os, 4)]), VFMAI(TG, TF), ovs, &(xo[0]));
                           ST(&(xo[WS(os, 12)]), VFNMSI(TG, TF), ovs, &(xo[0]));
                           ST(&(xo[0]), VADD(TB, TE), ovs, &(xo[0]));
                           ST(&(xo[WS(os, 8)]), VSUB(TB, TE), 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);
                              ST(&(xo[WS(os, 3)]), VFMAI(T1a, T19), ovs, &(xo[WS(os, 1)]));
                              ST(&(xo[WS(os, 13)]), VFNMSI(T1a, T19), ovs, &(xo[WS(os, 1)]));
                              ST(&(xo[WS(os, 11)]), VFMAI(T18, T15), ovs, &(xo[WS(os, 1)]));
                              ST(&(xo[WS(os, 5)]), VFNMSI(T18, T15), ovs, &(xo[WS(os, 1)]));
                              ST(&(xo[WS(os, 1)]), VFNMSI(T12, T11), ovs, &(xo[WS(os, 1)]));
                              ST(&(xo[WS(os, 15)]), VFMAI(T12, T11), ovs, &(xo[WS(os, 1)]));
                              ST(&(xo[WS(os, 7)]), VFMAI(T10, TT), ovs, &(xo[WS(os, 1)]));
                              ST(&(xo[WS(os, 9)]), VFNMSI(T10, TT), ovs, &(xo[WS(os, 1)]));
                              ST(&(xo[WS(os, 14)]), VFNMSI(Ty, Tx), ovs, &(xo[0]));
                              ST(&(xo[WS(os, 2)]), VFMAI(Ty, Tx), ovs, &(xo[0]));
                              ST(&(xo[WS(os, 10)]), VFMAI(Tw, Tn), ovs, &(xo[0]));
                              ST(&(xo[WS(os, 6)]), VFNMSI(Tw, Tn), ovs, &(xo[0]));
                           }
                        }
                   }
                }
             }
        }
     }
}

static const kdft_desc desc = { 16, "n1fv_16", {38, 0, 34, 0}, &GENUS, 0, 0, 0, 0 };
void X(codelet_n1fv_16) (planner *p) {
     X(kdft_register) (p, n1fv_16, &desc);
}

#else                   /* HAVE_FMA */

/* Generated by: ../../../genfft/gen_notw_c -simd -compact -variables 4 -pipeline-latency 8 -n 16 -name n1fv_16 -include n1f.h */

/*
 * This function contains 72 FP additions, 12 FP multiplications,
 * (or, 68 additions, 8 multiplications, 4 fused multiply/add),
 * 30 stack variables, and 32 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 "n1f.h"

static void n1fv_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(KP382683432, +0.382683432365089771728459984030398866761344562);
     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
     INT i;
     const R *xi;
     R *xo;
     xi = ri;
     xo = ro;
     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, TN, Tm, T14, Tv, TY, T7, T17, Ty, TT, Te, T16, Tx;
        V TQ;
        {
             V Tn, To, TM, Ts, Tt, TL;
             Tn = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
             To = LD(&(xi[WS(is, 12)]), ivs, &(xi[0]));
             TM = VADD(Tn, To);
             Ts = LD(&(xi[0]), ivs, &(xi[0]));
             Tt = LD(&(xi[WS(is, 8)]), ivs, &(xi[0]));
             TL = VADD(Ts, Tt);
             Tp = VSUB(Tn, To);
             T13 = VADD(TL, TM);
             Tu = VSUB(Ts, Tt);
             TN = VSUB(TL, TM);
        }
        {
             V Ti, TW, Tl, TX;
             {
                V Tg, Th, Tj, Tk;
                Tg = LD(&(xi[WS(is, 14)]), ivs, &(xi[0]));
                Th = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
                Ti = VSUB(Tg, Th);
                TW = VADD(Tg, Th);
                Tj = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
                Tk = LD(&(xi[WS(is, 10)]), ivs, &(xi[0]));
                Tl = VSUB(Tj, Tk);
                TX = VADD(Tj, Tk);
             }
             Tm = VMUL(LDK(KP707106781), VSUB(Ti, Tl));
             T14 = VADD(TX, TW);
             Tv = VMUL(LDK(KP707106781), VADD(Tl, Ti));
             TY = VSUB(TW, TX);
        }
        {
             V T3, TR, T6, TS;
             {
                V T1, T2, T4, T5;
                T1 = LD(&(xi[WS(is, 15)]), ivs, &(xi[WS(is, 1)]));
                T2 = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
                T3 = VSUB(T1, T2);
                TR = VADD(T1, T2);
                T4 = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
                T5 = LD(&(xi[WS(is, 11)]), ivs, &(xi[WS(is, 1)]));
                T6 = VSUB(T4, T5);
                TS = VADD(T4, T5);
             }
             T7 = VFNMS(LDK(KP923879532), T6, VMUL(LDK(KP382683432), T3));
             T17 = VADD(TR, TS);
             Ty = VFMA(LDK(KP923879532), T3, VMUL(LDK(KP382683432), T6));
             TT = VSUB(TR, TS);
        }
        {
             V Ta, TO, Td, TP;
             {
                V T8, T9, Tb, Tc;
                T8 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
                T9 = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
                Ta = VSUB(T8, T9);
                TO = VADD(T8, T9);
                Tb = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
                Tc = LD(&(xi[WS(is, 13)]), ivs, &(xi[WS(is, 1)]));
                Td = VSUB(Tb, Tc);
                TP = VADD(Tb, Tc);
             }
             Te = VFMA(LDK(KP382683432), Ta, VMUL(LDK(KP923879532), Td));
             T16 = VADD(TO, TP);
             Tx = VFNMS(LDK(KP382683432), Td, VMUL(LDK(KP923879532), Ta));
             TQ = VSUB(TO, TP);
        }
        {
             V T15, T18, T19, T1a;
             T15 = VADD(T13, T14);
             T18 = VADD(T16, T17);
             ST(&(xo[WS(os, 8)]), VSUB(T15, T18), ovs, &(xo[0]));
             ST(&(xo[0]), VADD(T15, T18), ovs, &(xo[0]));
             T19 = VSUB(T13, T14);
             T1a = VBYI(VSUB(T17, T16));
             ST(&(xo[WS(os, 12)]), VSUB(T19, T1a), ovs, &(xo[0]));
             ST(&(xo[WS(os, 4)]), VADD(T19, T1a), ovs, &(xo[0]));
        }
        {
             V TV, T11, T10, T12, TU, TZ;
             TU = VMUL(LDK(KP707106781), VADD(TQ, TT));
             TV = VADD(TN, TU);
             T11 = VSUB(TN, TU);
             TZ = VMUL(LDK(KP707106781), VSUB(TT, TQ));
             T10 = VBYI(VADD(TY, TZ));
             T12 = VBYI(VSUB(TZ, TY));
             ST(&(xo[WS(os, 14)]), VSUB(TV, T10), ovs, &(xo[0]));
             ST(&(xo[WS(os, 6)]), VADD(T11, T12), ovs, &(xo[0]));
             ST(&(xo[WS(os, 2)]), VADD(TV, T10), ovs, &(xo[0]));
             ST(&(xo[WS(os, 10)]), VSUB(T11, T12), 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 = VADD(Tu, Tv);
                Tz = VADD(Tx, Ty);
                TA = VSUB(Tw, Tz);
                TC = VADD(Tw, Tz);
             }
             ST(&(xo[WS(os, 7)]), VADD(Tr, TA), ovs, &(xo[WS(os, 1)]));
             ST(&(xo[WS(os, 15)]), VSUB(TC, TB), ovs, &(xo[WS(os, 1)]));
             ST(&(xo[WS(os, 9)]), VSUB(TA, Tr), ovs, &(xo[WS(os, 1)]));
             ST(&(xo[WS(os, 1)]), VADD(TB, TC), ovs, &(xo[WS(os, 1)]));
        }
        {
             V TF, TJ, TI, TK;
             {
                V TD, TE, TG, TH;
                TD = VSUB(Tu, Tv);
                TE = VADD(Te, T7);
                TF = VADD(TD, TE);
                TJ = VSUB(TD, TE);
                TG = VADD(Tp, Tm);
                TH = VSUB(Ty, Tx);
                TI = VBYI(VADD(TG, TH));
                TK = VBYI(VSUB(TH, TG));
             }
             ST(&(xo[WS(os, 13)]), VSUB(TF, TI), ovs, &(xo[WS(os, 1)]));
             ST(&(xo[WS(os, 5)]), VADD(TJ, TK), ovs, &(xo[WS(os, 1)]));
             ST(&(xo[WS(os, 3)]), VADD(TF, TI), ovs, &(xo[WS(os, 1)]));
             ST(&(xo[WS(os, 11)]), VSUB(TJ, TK), ovs, &(xo[WS(os, 1)]));
        }
     }
}

static const kdft_desc desc = { 16, "n1fv_16", {68, 8, 4, 0}, &GENUS, 0, 0, 0, 0 };
void X(codelet_n1fv_16) (planner *p) {
     X(kdft_register) (p, n1fv_16, &desc);
}

#endif                        /* HAVE_FMA */

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