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t1_8.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 13:58:29 EDT 2006 */

#include "codelet-dft.h"

#ifdef HAVE_FMA

/* Generated by: ../../../genfft/gen_twiddle -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -n 8 -name t1_8 -include t.h */

/*
 * This function contains 66 FP additions, 36 FP multiplications,
 * (or, 44 additions, 14 multiplications, 22 fused multiply/add),
 * 61 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_twiddle.ml,v 1.24 2006-02-12 23:34:12 athena Exp $
 */

#include "t.h"

static const R *t1_8(R *ri, R *ii, const R *W, stride ios, INT m, INT dist)
{
     DK(KP707106781, +0.707106781186547524400844362104849039284835938);
     INT i;
     for (i = m; i > 0; i = i - 1, ri = ri + dist, ii = ii + dist, W = W + 14, MAKE_VOLATILE_STRIDE(ios)) {
        E T1g, T1f, T1e, Tm, T1q, T1o, T1p, TN, T1h, T1i;
        {
             E T1, T1m, T1l, T7, TS, Tk, TQ, Te, To, Tr, T17, TM, T12, Tu, TW;
             E Tp, Tx, Tt, Tq, Tw;
             {
                E T3, T6, T2, T5;
                T1 = ri[0];
                T1m = ii[0];
                T3 = ri[WS(ios, 4)];
                T6 = ii[WS(ios, 4)];
                T2 = W[6];
                T5 = W[7];
                {
                   E Ta, Td, T9, Tc;
                   {
                        E Tg, Tj, Ti, TR, Th, T1k, T4, Tf;
                        Tg = ri[WS(ios, 6)];
                        Tj = ii[WS(ios, 6)];
                        T1k = T2 * T6;
                        T4 = T2 * T3;
                        Tf = W[10];
                        Ti = W[11];
                        T1l = FNMS(T5, T3, T1k);
                        T7 = FMA(T5, T6, T4);
                        TR = Tf * Tj;
                        Th = Tf * Tg;
                        Ta = ri[WS(ios, 2)];
                        Td = ii[WS(ios, 2)];
                        TS = FNMS(Ti, Tg, TR);
                        Tk = FMA(Ti, Tj, Th);
                        T9 = W[2];
                        Tc = W[3];
                   }
                   {
                        E TB, TE, TH, T13, TC, TK, TG, TD, TJ, TP, Tb, TA, Tn;
                        TB = ri[WS(ios, 7)];
                        TE = ii[WS(ios, 7)];
                        TP = T9 * Td;
                        Tb = T9 * Ta;
                        TA = W[12];
                        TH = ri[WS(ios, 3)];
                        TQ = FNMS(Tc, Ta, TP);
                        Te = FMA(Tc, Td, Tb);
                        T13 = TA * TE;
                        TC = TA * TB;
                        TK = ii[WS(ios, 3)];
                        TG = W[4];
                        TD = W[13];
                        TJ = W[5];
                        {
                           E T14, TF, T16, TL, T15, TI;
                           To = ri[WS(ios, 1)];
                           T15 = TG * TK;
                           TI = TG * TH;
                           T14 = FNMS(TD, TB, T13);
                           TF = FMA(TD, TE, TC);
                           T16 = FNMS(TJ, TH, T15);
                           TL = FMA(TJ, TK, TI);
                           Tr = ii[WS(ios, 1)];
                           Tn = W[0];
                           T17 = T14 - T16;
                           T1g = T14 + T16;
                           TM = TF + TL;
                           T12 = TF - TL;
                        }
                        Tu = ri[WS(ios, 5)];
                        TW = Tn * Tr;
                        Tp = Tn * To;
                        Tx = ii[WS(ios, 5)];
                        Tt = W[8];
                        Tq = W[1];
                        Tw = W[9];
                   }
                }
             }
             {
                E T8, T1j, T1n, Tz, T1a, TU, Tl, T1b, T1c, T1v, T1t, T1w, T19, T1u, T1d;
                {
                   E T1r, T10, TV, T1s, T11, T18;
                   {
                        E TO, TX, Ts, TZ, Ty, TT, TY, Tv;
                        T8 = T1 + T7;
                        TO = T1 - T7;
                        TY = Tt * Tx;
                        Tv = Tt * Tu;
                        TX = FNMS(Tq, To, TW);
                        Ts = FMA(Tq, Tr, Tp);
                        TZ = FNMS(Tw, Tu, TY);
                        Ty = FMA(Tw, Tx, Tv);
                        TT = TQ - TS;
                        T1j = TQ + TS;
                        T1n = T1l + T1m;
                        T1r = T1m - T1l;
                        T10 = TX - TZ;
                        T1f = TX + TZ;
                        Tz = Ts + Ty;
                        TV = Ts - Ty;
                        T1a = TO - TT;
                        TU = TO + TT;
                        T1s = Te - Tk;
                        Tl = Te + Tk;
                   }
                   T1b = T10 - TV;
                   T11 = TV + T10;
                   T18 = T12 - T17;
                   T1c = T12 + T17;
                   T1v = T1s + T1r;
                   T1t = T1r - T1s;
                   T1w = T18 - T11;
                   T19 = T11 + T18;
                }
                ii[WS(ios, 3)] = FMA(KP707106781, T1w, T1v);
                ii[WS(ios, 7)] = FNMS(KP707106781, T1w, T1v);
                ri[WS(ios, 1)] = FMA(KP707106781, T19, TU);
                ri[WS(ios, 5)] = FNMS(KP707106781, T19, TU);
                T1u = T1b + T1c;
                T1d = T1b - T1c;
                ii[WS(ios, 1)] = FMA(KP707106781, T1u, T1t);
                ii[WS(ios, 5)] = FNMS(KP707106781, T1u, T1t);
                ri[WS(ios, 3)] = FMA(KP707106781, T1d, T1a);
                ri[WS(ios, 7)] = FNMS(KP707106781, T1d, T1a);
                T1e = T8 - Tl;
                Tm = T8 + Tl;
                T1q = T1n - T1j;
                T1o = T1j + T1n;
                T1p = TM - Tz;
                TN = Tz + TM;
             }
        }
        ii[WS(ios, 2)] = T1p + T1q;
        ii[WS(ios, 6)] = T1q - T1p;
        ri[0] = Tm + TN;
        ri[WS(ios, 4)] = Tm - TN;
        T1h = T1f - T1g;
        T1i = T1f + T1g;
        ii[0] = T1i + T1o;
        ii[WS(ios, 4)] = T1o - T1i;
        ri[WS(ios, 2)] = T1e + T1h;
        ri[WS(ios, 6)] = T1e - T1h;
     }
     return W;
}

static const tw_instr twinstr[] = {
     {TW_FULL, 0, 8},
     {TW_NEXT, 1, 0}
};

static const ct_desc desc = { 8, "t1_8", twinstr, &GENUS, {44, 14, 22, 0}, 0, 0, 0 };

void X(codelet_t1_8) (planner *p) {
     X(kdft_dit_register) (p, t1_8, &desc);
}
#else                   /* HAVE_FMA */

/* Generated by: ../../../genfft/gen_twiddle -compact -variables 4 -pipeline-latency 4 -n 8 -name t1_8 -include t.h */

/*
 * This function contains 66 FP additions, 32 FP multiplications,
 * (or, 52 additions, 18 multiplications, 14 fused multiply/add),
 * 28 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_twiddle.ml,v 1.24 2006-02-12 23:34:12 athena Exp $
 */

#include "t.h"

static const R *t1_8(R *ri, R *ii, const R *W, stride ios, INT m, INT dist)
{
     DK(KP707106781, +0.707106781186547524400844362104849039284835938);
     INT i;
     for (i = m; i > 0; i = i - 1, ri = ri + dist, ii = ii + dist, W = W + 14, MAKE_VOLATILE_STRIDE(ios)) {
        E T7, T1e, TH, T19, TF, T13, TR, TU, Ti, T1f, TK, T16, Tu, T12, TM;
        E TP;
        {
             E T1, T18, T6, T17;
             T1 = ri[0];
             T18 = ii[0];
             {
                E T3, T5, T2, T4;
                T3 = ri[WS(ios, 4)];
                T5 = ii[WS(ios, 4)];
                T2 = W[6];
                T4 = W[7];
                T6 = FMA(T2, T3, T4 * T5);
                T17 = FNMS(T4, T3, T2 * T5);
             }
             T7 = T1 + T6;
             T1e = T18 - T17;
             TH = T1 - T6;
             T19 = T17 + T18;
        }
        {
             E Tz, TS, TE, TT;
             {
                E Tw, Ty, Tv, Tx;
                Tw = ri[WS(ios, 7)];
                Ty = ii[WS(ios, 7)];
                Tv = W[12];
                Tx = W[13];
                Tz = FMA(Tv, Tw, Tx * Ty);
                TS = FNMS(Tx, Tw, Tv * Ty);
             }
             {
                E TB, TD, TA, TC;
                TB = ri[WS(ios, 3)];
                TD = ii[WS(ios, 3)];
                TA = W[4];
                TC = W[5];
                TE = FMA(TA, TB, TC * TD);
                TT = FNMS(TC, TB, TA * TD);
             }
             TF = Tz + TE;
             T13 = TS + TT;
             TR = Tz - TE;
             TU = TS - TT;
        }
        {
             E Tc, TI, Th, TJ;
             {
                E T9, Tb, T8, Ta;
                T9 = ri[WS(ios, 2)];
                Tb = ii[WS(ios, 2)];
                T8 = W[2];
                Ta = W[3];
                Tc = FMA(T8, T9, Ta * Tb);
                TI = FNMS(Ta, T9, T8 * Tb);
             }
             {
                E Te, Tg, Td, Tf;
                Te = ri[WS(ios, 6)];
                Tg = ii[WS(ios, 6)];
                Td = W[10];
                Tf = W[11];
                Th = FMA(Td, Te, Tf * Tg);
                TJ = FNMS(Tf, Te, Td * Tg);
             }
             Ti = Tc + Th;
             T1f = Tc - Th;
             TK = TI - TJ;
             T16 = TI + TJ;
        }
        {
             E To, TN, Tt, TO;
             {
                E Tl, Tn, Tk, Tm;
                Tl = ri[WS(ios, 1)];
                Tn = ii[WS(ios, 1)];
                Tk = W[0];
                Tm = W[1];
                To = FMA(Tk, Tl, Tm * Tn);
                TN = FNMS(Tm, Tl, Tk * Tn);
             }
             {
                E Tq, Ts, Tp, Tr;
                Tq = ri[WS(ios, 5)];
                Ts = ii[WS(ios, 5)];
                Tp = W[8];
                Tr = W[9];
                Tt = FMA(Tp, Tq, Tr * Ts);
                TO = FNMS(Tr, Tq, Tp * Ts);
             }
             Tu = To + Tt;
             T12 = TN + TO;
             TM = To - Tt;
             TP = TN - TO;
        }
        {
             E Tj, TG, T1b, T1c;
             Tj = T7 + Ti;
             TG = Tu + TF;
             ri[WS(ios, 4)] = Tj - TG;
             ri[0] = Tj + TG;
             {
                E T15, T1a, T11, T14;
                T15 = T12 + T13;
                T1a = T16 + T19;
                ii[0] = T15 + T1a;
                ii[WS(ios, 4)] = T1a - T15;
                T11 = T7 - Ti;
                T14 = T12 - T13;
                ri[WS(ios, 6)] = T11 - T14;
                ri[WS(ios, 2)] = T11 + T14;
             }
             T1b = TF - Tu;
             T1c = T19 - T16;
             ii[WS(ios, 2)] = T1b + T1c;
             ii[WS(ios, 6)] = T1c - T1b;
             {
                E TX, T1g, T10, T1d, TY, TZ;
                TX = TH - TK;
                T1g = T1e - T1f;
                TY = TP - TM;
                TZ = TR + TU;
                T10 = KP707106781 * (TY - TZ);
                T1d = KP707106781 * (TY + TZ);
                ri[WS(ios, 7)] = TX - T10;
                ii[WS(ios, 5)] = T1g - T1d;
                ri[WS(ios, 3)] = TX + T10;
                ii[WS(ios, 1)] = T1d + T1g;
             }
             {
                E TL, T1i, TW, T1h, TQ, TV;
                TL = TH + TK;
                T1i = T1f + T1e;
                TQ = TM + TP;
                TV = TR - TU;
                TW = KP707106781 * (TQ + TV);
                T1h = KP707106781 * (TV - TQ);
                ri[WS(ios, 5)] = TL - TW;
                ii[WS(ios, 7)] = T1i - T1h;
                ri[WS(ios, 1)] = TL + TW;
                ii[WS(ios, 3)] = T1h + T1i;
             }
        }
     }
     return W;
}

static const tw_instr twinstr[] = {
     {TW_FULL, 0, 8},
     {TW_NEXT, 1, 0}
};

static const ct_desc desc = { 8, "t1_8", twinstr, &GENUS, {52, 18, 14, 0}, 0, 0, 0 };

void X(codelet_t1_8) (planner *p) {
     X(kdft_dit_register) (p, t1_8, &desc);
}
#endif                        /* HAVE_FMA */

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