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t1fv_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 14:46:40 EDT 2006 */

#include "codelet-dft.h"

#ifdef HAVE_FMA

/* Generated by: ../../../genfft/gen_twiddle_c -fma -reorder-insns -schedule-for-pipeline -simd -compact -variables 4 -pipeline-latency 8 -n 16 -name t1fv_16 -include t1f.h */

/*
 * This function contains 87 FP additions, 64 FP multiplications,
 * (or, 53 additions, 30 multiplications, 34 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_c.ml,v 1.14 2006-02-12 23:34:12 athena Exp $
 */

#include "t1f.h"

static const R *t1fv_16(R *ri, R *ii, const R *W, stride ios, INT m, INT dist)
{
     DVK(KP923879532, +0.923879532511286756128183189396788286822416626);
     DVK(KP414213562, +0.414213562373095048801688724209698078569671875);
     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
     INT i;
     R *x;
     x = ri;
     for (i = m; i > 0; i = i - VL, x = x + (VL * dist), W = W + (TWVL * 30), MAKE_VOLATILE_STRIDE(ios)) {
        V TO, Ta, TJ, TP, T14, Tq, T1i, T10, T1b, T1l, T13, T1c, TR, Tl, T15;
        V Tv;
        {
             V Tc, TW, T4, T19, T9, TD, TI, Tj, TZ, T1a, Te, Th, Tn, Tr, Tu;
             V Tp;
             {
                V T1, T2, T5, T7;
                T1 = LD(&(x[0]), dist, &(x[0]));
                T2 = LD(&(x[WS(ios, 8)]), dist, &(x[0]));
                T5 = LD(&(x[WS(ios, 4)]), dist, &(x[0]));
                T7 = LD(&(x[WS(ios, 12)]), dist, &(x[0]));
                {
                   V Tz, TG, TB, TE;
                   Tz = LD(&(x[WS(ios, 14)]), dist, &(x[0]));
                   TG = LD(&(x[WS(ios, 10)]), dist, &(x[0]));
                   TB = LD(&(x[WS(ios, 6)]), dist, &(x[0]));
                   TE = LD(&(x[WS(ios, 2)]), dist, &(x[0]));
                   {
                        V Ti, TY, TX, Td, Tg, Tm, Tt, To;
                        {
                           V T3, T6, T8, TA, TH, TC, TF, Tb;
                           Tb = LD(&(x[WS(ios, 1)]), dist, &(x[WS(ios, 1)]));
                           T3 = BYTWJ(&(W[TWVL * 14]), T2);
                           T6 = BYTWJ(&(W[TWVL * 6]), T5);
                           T8 = BYTWJ(&(W[TWVL * 22]), T7);
                           TA = BYTWJ(&(W[TWVL * 26]), Tz);
                           TH = BYTWJ(&(W[TWVL * 18]), TG);
                           TC = BYTWJ(&(W[TWVL * 10]), TB);
                           TF = BYTWJ(&(W[TWVL * 2]), TE);
                           Tc = BYTWJ(&(W[0]), Tb);
                           TW = VSUB(T1, T3);
                           T4 = VADD(T1, T3);
                           T19 = VSUB(T6, T8);
                           T9 = VADD(T6, T8);
                           Ti = LD(&(x[WS(ios, 13)]), dist, &(x[WS(ios, 1)]));
                           TD = VADD(TA, TC);
                           TY = VSUB(TA, TC);
                           TI = VADD(TF, TH);
                           TX = VSUB(TF, TH);
                        }
                        Td = LD(&(x[WS(ios, 9)]), dist, &(x[WS(ios, 1)]));
                        Tg = LD(&(x[WS(ios, 5)]), dist, &(x[WS(ios, 1)]));
                        Tm = LD(&(x[WS(ios, 15)]), dist, &(x[WS(ios, 1)]));
                        Tj = BYTWJ(&(W[TWVL * 24]), Ti);
                        Tt = LD(&(x[WS(ios, 11)]), dist, &(x[WS(ios, 1)]));
                        To = LD(&(x[WS(ios, 7)]), dist, &(x[WS(ios, 1)]));
                        TZ = VADD(TX, TY);
                        T1a = VSUB(TY, TX);
                        Te = BYTWJ(&(W[TWVL * 16]), Td);
                        Th = BYTWJ(&(W[TWVL * 8]), Tg);
                        Tn = BYTWJ(&(W[TWVL * 28]), Tm);
                        Tr = LD(&(x[WS(ios, 3)]), dist, &(x[WS(ios, 1)]));
                        Tu = BYTWJ(&(W[TWVL * 20]), Tt);
                        Tp = BYTWJ(&(W[TWVL * 12]), To);
                   }
                }
             }
             {
                V Tf, T11, Tk, T12, Ts;
                TO = VADD(T4, T9);
                Ta = VSUB(T4, T9);
                TJ = VSUB(TD, TI);
                TP = VADD(TI, TD);
                Tf = VADD(Tc, Te);
                T11 = VSUB(Tc, Te);
                Tk = VADD(Th, Tj);
                T12 = VSUB(Th, Tj);
                Ts = BYTWJ(&(W[TWVL * 4]), Tr);
                T14 = VSUB(Tn, Tp);
                Tq = VADD(Tn, Tp);
                T1i = VFNMS(LDK(KP707106781), TZ, TW);
                T10 = VFMA(LDK(KP707106781), TZ, TW);
                T1b = VFNMS(LDK(KP707106781), T1a, T19);
                T1l = VFMA(LDK(KP707106781), T1a, T19);
                T13 = VFNMS(LDK(KP414213562), T12, T11);
                T1c = VFMA(LDK(KP414213562), T11, T12);
                TR = VADD(Tf, Tk);
                Tl = VSUB(Tf, Tk);
                T15 = VSUB(Tu, Ts);
                Tv = VADD(Ts, Tu);
             }
        }
        {
             V T1d, T16, TS, Tw, TU, TQ;
             T1d = VFMA(LDK(KP414213562), T14, T15);
             T16 = VFNMS(LDK(KP414213562), T15, T14);
             TS = VADD(Tq, Tv);
             Tw = VSUB(Tq, Tv);
             TU = VSUB(TO, TP);
             TQ = VADD(TO, TP);
             {
                V T1e, T1j, T17, T1m;
                T1e = VSUB(T1c, T1d);
                T1j = VADD(T1c, T1d);
                T17 = VADD(T13, T16);
                T1m = VSUB(T16, T13);
                {
                   V TV, TT, TK, Tx;
                   TV = VSUB(TS, TR);
                   TT = VADD(TR, TS);
                   TK = VSUB(Tw, Tl);
                   Tx = VADD(Tl, Tw);
                   {
                        V T1h, T1f, T1o, T1k;
                        T1h = VFMA(LDK(KP923879532), T1e, T1b);
                        T1f = VFNMS(LDK(KP923879532), T1e, T1b);
                        T1o = VFMA(LDK(KP923879532), T1j, T1i);
                        T1k = VFNMS(LDK(KP923879532), T1j, T1i);
                        {
                           V T1g, T18, T1p, T1n;
                           T1g = VFMA(LDK(KP923879532), T17, T10);
                           T18 = VFNMS(LDK(KP923879532), T17, T10);
                           T1p = VFMA(LDK(KP923879532), T1m, T1l);
                           T1n = VFNMS(LDK(KP923879532), T1m, T1l);
                           ST(&(x[WS(ios, 12)]), VFNMSI(TV, TU), dist, &(x[0]));
                           ST(&(x[WS(ios, 4)]), VFMAI(TV, TU), dist, &(x[0]));
                           ST(&(x[0]), VADD(TQ, TT), dist, &(x[0]));
                           ST(&(x[WS(ios, 8)]), VSUB(TQ, TT), dist, &(x[0]));
                           {
                              V TN, TL, TM, Ty;
                              TN = VFMA(LDK(KP707106781), TK, TJ);
                              TL = VFNMS(LDK(KP707106781), TK, TJ);
                              TM = VFMA(LDK(KP707106781), Tx, Ta);
                              Ty = VFNMS(LDK(KP707106781), Tx, Ta);
                              ST(&(x[WS(ios, 1)]), VFNMSI(T1h, T1g), dist, &(x[WS(ios, 1)]));
                              ST(&(x[WS(ios, 15)]), VFMAI(T1h, T1g), dist, &(x[WS(ios, 1)]));
                              ST(&(x[WS(ios, 7)]), VFMAI(T1f, T18), dist, &(x[WS(ios, 1)]));
                              ST(&(x[WS(ios, 9)]), VFNMSI(T1f, T18), dist, &(x[WS(ios, 1)]));
                              ST(&(x[WS(ios, 3)]), VFMAI(T1p, T1o), dist, &(x[WS(ios, 1)]));
                              ST(&(x[WS(ios, 13)]), VFNMSI(T1p, T1o), dist, &(x[WS(ios, 1)]));
                              ST(&(x[WS(ios, 11)]), VFMAI(T1n, T1k), dist, &(x[WS(ios, 1)]));
                              ST(&(x[WS(ios, 5)]), VFNMSI(T1n, T1k), dist, &(x[WS(ios, 1)]));
                              ST(&(x[WS(ios, 14)]), VFNMSI(TN, TM), dist, &(x[0]));
                              ST(&(x[WS(ios, 2)]), VFMAI(TN, TM), dist, &(x[0]));
                              ST(&(x[WS(ios, 10)]), VFMAI(TL, Ty), dist, &(x[0]));
                              ST(&(x[WS(ios, 6)]), VFNMSI(TL, Ty), dist, &(x[0]));
                           }
                        }
                   }
                }
             }
        }
     }
     return W;
}

static const tw_instr twinstr[] = {
     VTW(1),
     VTW(2),
     VTW(3),
     VTW(4),
     VTW(5),
     VTW(6),
     VTW(7),
     VTW(8),
     VTW(9),
     VTW(10),
     VTW(11),
     VTW(12),
     VTW(13),
     VTW(14),
     VTW(15),
     {TW_NEXT, VL, 0}
};

static const ct_desc desc = { 16, "t1fv_16", twinstr, &GENUS, {53, 30, 34, 0}, 0, 0, 0 };

void X(codelet_t1fv_16) (planner *p) {
     X(kdft_dit_register) (p, t1fv_16, &desc);
}
#else                   /* HAVE_FMA */

/* Generated by: ../../../genfft/gen_twiddle_c -simd -compact -variables 4 -pipeline-latency 8 -n 16 -name t1fv_16 -include t1f.h */

/*
 * This function contains 87 FP additions, 42 FP multiplications,
 * (or, 83 additions, 38 multiplications, 4 fused multiply/add),
 * 36 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_c.ml,v 1.14 2006-02-12 23:34:12 athena Exp $
 */

#include "t1f.h"

static const R *t1fv_16(R *ri, R *ii, const R *W, stride ios, INT m, INT dist)
{
     DVK(KP923879532, +0.923879532511286756128183189396788286822416626);
     DVK(KP382683432, +0.382683432365089771728459984030398866761344562);
     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
     INT i;
     R *x;
     x = ri;
     for (i = m; i > 0; i = i - VL, x = x + (VL * dist), W = W + (TWVL * 30), MAKE_VOLATILE_STRIDE(ios)) {
        V TJ, T10, TD, T11, T1b, T1c, Ty, TK, T16, T17, T18, Tb, TN, T13, T14;
        V T15, Tm, TM, TG, TI, TH;
        TG = LD(&(x[0]), dist, &(x[0]));
        TH = LD(&(x[WS(ios, 8)]), dist, &(x[0]));
        TI = BYTWJ(&(W[TWVL * 14]), TH);
        TJ = VSUB(TG, TI);
        T10 = VADD(TG, TI);
        {
             V TA, TC, Tz, TB;
             Tz = LD(&(x[WS(ios, 4)]), dist, &(x[0]));
             TA = BYTWJ(&(W[TWVL * 6]), Tz);
             TB = LD(&(x[WS(ios, 12)]), dist, &(x[0]));
             TC = BYTWJ(&(W[TWVL * 22]), TB);
             TD = VSUB(TA, TC);
             T11 = VADD(TA, TC);
        }
        {
             V Tp, Tw, Tr, Tu, Ts, Tx;
             {
                V To, Tv, Tq, Tt;
                To = LD(&(x[WS(ios, 14)]), dist, &(x[0]));
                Tp = BYTWJ(&(W[TWVL * 26]), To);
                Tv = LD(&(x[WS(ios, 10)]), dist, &(x[0]));
                Tw = BYTWJ(&(W[TWVL * 18]), Tv);
                Tq = LD(&(x[WS(ios, 6)]), dist, &(x[0]));
                Tr = BYTWJ(&(W[TWVL * 10]), Tq);
                Tt = LD(&(x[WS(ios, 2)]), dist, &(x[0]));
                Tu = BYTWJ(&(W[TWVL * 2]), Tt);
             }
             T1b = VADD(Tp, Tr);
             T1c = VADD(Tu, Tw);
             Ts = VSUB(Tp, Tr);
             Tx = VSUB(Tu, Tw);
             Ty = VMUL(LDK(KP707106781), VSUB(Ts, Tx));
             TK = VMUL(LDK(KP707106781), VADD(Tx, Ts));
        }
        {
             V T2, T9, T4, T7, T5, Ta;
             {
                V T1, T8, T3, T6;
                T1 = LD(&(x[WS(ios, 15)]), dist, &(x[WS(ios, 1)]));
                T2 = BYTWJ(&(W[TWVL * 28]), T1);
                T8 = LD(&(x[WS(ios, 11)]), dist, &(x[WS(ios, 1)]));
                T9 = BYTWJ(&(W[TWVL * 20]), T8);
                T3 = LD(&(x[WS(ios, 7)]), dist, &(x[WS(ios, 1)]));
                T4 = BYTWJ(&(W[TWVL * 12]), T3);
                T6 = LD(&(x[WS(ios, 3)]), dist, &(x[WS(ios, 1)]));
                T7 = BYTWJ(&(W[TWVL * 4]), T6);
             }
             T16 = VADD(T2, T4);
             T17 = VADD(T7, T9);
             T18 = VSUB(T16, T17);
             T5 = VSUB(T2, T4);
             Ta = VSUB(T7, T9);
             Tb = VFNMS(LDK(KP923879532), Ta, VMUL(LDK(KP382683432), T5));
             TN = VFMA(LDK(KP923879532), T5, VMUL(LDK(KP382683432), Ta));
        }
        {
             V Td, Tk, Tf, Ti, Tg, Tl;
             {
                V Tc, Tj, Te, Th;
                Tc = LD(&(x[WS(ios, 1)]), dist, &(x[WS(ios, 1)]));
                Td = BYTWJ(&(W[0]), Tc);
                Tj = LD(&(x[WS(ios, 13)]), dist, &(x[WS(ios, 1)]));
                Tk = BYTWJ(&(W[TWVL * 24]), Tj);
                Te = LD(&(x[WS(ios, 9)]), dist, &(x[WS(ios, 1)]));
                Tf = BYTWJ(&(W[TWVL * 16]), Te);
                Th = LD(&(x[WS(ios, 5)]), dist, &(x[WS(ios, 1)]));
                Ti = BYTWJ(&(W[TWVL * 8]), Th);
             }
             T13 = VADD(Td, Tf);
             T14 = VADD(Ti, Tk);
             T15 = VSUB(T13, T14);
             Tg = VSUB(Td, Tf);
             Tl = VSUB(Ti, Tk);
             Tm = VFMA(LDK(KP382683432), Tg, VMUL(LDK(KP923879532), Tl));
             TM = VFNMS(LDK(KP382683432), Tl, VMUL(LDK(KP923879532), Tg));
        }
        {
             V T1a, T1g, T1f, T1h;
             {
                V T12, T19, T1d, T1e;
                T12 = VSUB(T10, T11);
                T19 = VMUL(LDK(KP707106781), VADD(T15, T18));
                T1a = VADD(T12, T19);
                T1g = VSUB(T12, T19);
                T1d = VSUB(T1b, T1c);
                T1e = VMUL(LDK(KP707106781), VSUB(T18, T15));
                T1f = VBYI(VADD(T1d, T1e));
                T1h = VBYI(VSUB(T1e, T1d));
             }
             ST(&(x[WS(ios, 14)]), VSUB(T1a, T1f), dist, &(x[0]));
             ST(&(x[WS(ios, 6)]), VADD(T1g, T1h), dist, &(x[0]));
             ST(&(x[WS(ios, 2)]), VADD(T1a, T1f), dist, &(x[0]));
             ST(&(x[WS(ios, 10)]), VSUB(T1g, T1h), dist, &(x[0]));
        }
        {
             V T1k, T1o, T1n, T1p;
             {
                V T1i, T1j, T1l, T1m;
                T1i = VADD(T10, T11);
                T1j = VADD(T1c, T1b);
                T1k = VADD(T1i, T1j);
                T1o = VSUB(T1i, T1j);
                T1l = VADD(T13, T14);
                T1m = VADD(T16, T17);
                T1n = VADD(T1l, T1m);
                T1p = VBYI(VSUB(T1m, T1l));
             }
             ST(&(x[WS(ios, 8)]), VSUB(T1k, T1n), dist, &(x[0]));
             ST(&(x[WS(ios, 4)]), VADD(T1o, T1p), dist, &(x[0]));
             ST(&(x[0]), VADD(T1k, T1n), dist, &(x[0]));
             ST(&(x[WS(ios, 12)]), VSUB(T1o, T1p), dist, &(x[0]));
        }
        {
             V TF, TQ, TP, TR;
             {
                V Tn, TE, TL, TO;
                Tn = VSUB(Tb, Tm);
                TE = VSUB(Ty, TD);
                TF = VBYI(VSUB(Tn, TE));
                TQ = VBYI(VADD(TE, Tn));
                TL = VADD(TJ, TK);
                TO = VADD(TM, TN);
                TP = VSUB(TL, TO);
                TR = VADD(TL, TO);
             }
             ST(&(x[WS(ios, 7)]), VADD(TF, TP), dist, &(x[WS(ios, 1)]));
             ST(&(x[WS(ios, 15)]), VSUB(TR, TQ), dist, &(x[WS(ios, 1)]));
             ST(&(x[WS(ios, 9)]), VSUB(TP, TF), dist, &(x[WS(ios, 1)]));
             ST(&(x[WS(ios, 1)]), VADD(TQ, TR), dist, &(x[WS(ios, 1)]));
        }
        {
             V TU, TY, TX, TZ;
             {
                V TS, TT, TV, TW;
                TS = VSUB(TJ, TK);
                TT = VADD(Tm, Tb);
                TU = VADD(TS, TT);
                TY = VSUB(TS, TT);
                TV = VADD(TD, Ty);
                TW = VSUB(TN, TM);
                TX = VBYI(VADD(TV, TW));
                TZ = VBYI(VSUB(TW, TV));
             }
             ST(&(x[WS(ios, 13)]), VSUB(TU, TX), dist, &(x[WS(ios, 1)]));
             ST(&(x[WS(ios, 5)]), VADD(TY, TZ), dist, &(x[WS(ios, 1)]));
             ST(&(x[WS(ios, 3)]), VADD(TU, TX), dist, &(x[WS(ios, 1)]));
             ST(&(x[WS(ios, 11)]), VSUB(TY, TZ), dist, &(x[WS(ios, 1)]));
        }
     }
     return W;
}

static const tw_instr twinstr[] = {
     VTW(1),
     VTW(2),
     VTW(3),
     VTW(4),
     VTW(5),
     VTW(6),
     VTW(7),
     VTW(8),
     VTW(9),
     VTW(10),
     VTW(11),
     VTW(12),
     VTW(13),
     VTW(14),
     VTW(15),
     {TW_NEXT, VL, 0}
};

static const ct_desc desc = { 16, "t1fv_16", twinstr, &GENUS, {83, 38, 4, 0}, 0, 0, 0 };

void X(codelet_t1fv_16) (planner *p) {
     X(kdft_dit_register) (p, t1fv_16, &desc);
}
#endif                        /* HAVE_FMA */

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