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t3bv_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 22:33:15 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 -twiddle-log3 -precompute-twiddles -no-generate-bytw -n 16 -name t3bv_16 -include t3b.h -sign 1 */

/*
 * This function contains 98 FP additions, 86 FP multiplications,
 * (or, 64 additions, 52 multiplications, 34 fused multiply/add),
 * 70 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 "t3b.h"

static const R *t3bv_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 = ii;
     for (i = m; i > 0; i = i - VL, x = x + (VL * dist), W = W + (TWVL * 8), MAKE_VOLATILE_STRIDE(ios)) {
        V T13, Tg, TY, T14, T1A, T1q, T1f, T1x, T1r, T1i, Tt, T16, TB, T1j, T1k;
        V TH;
        {
             V T2, T8, Tu, T3;
             T2 = LDW(&(W[0]));
             T8 = LDW(&(W[TWVL * 2]));
             Tu = LDW(&(W[TWVL * 6]));
             T3 = LDW(&(W[TWVL * 4]));
             {
                V Ty, T1o, Tf, T1b, T7, Tr, TQ, TX, T1g, Tl, To, Tw, TG, Tz, T1p;
                V T1e, TC;
                {
                   V T1, T5, Ta, Td;
                   T1 = LD(&(x[0]), dist, &(x[0]));
                   T5 = LD(&(x[WS(ios, 8)]), dist, &(x[0]));
                   Ta = LD(&(x[WS(ios, 4)]), dist, &(x[0]));
                   Td = LD(&(x[WS(ios, 12)]), dist, &(x[0]));
                   {
                        V TR, TN, TM, TE, Tb, Tp, Tm, Te, T6, TW, TO, TS;
                        {
                           V TL, Tx, T9, TU, Tc, T4, TV;
                           TL = LD(&(x[WS(ios, 2)]), dist, &(x[0]));
                           Tx = VZMULJ(T2, T8);
                           T9 = VZMUL(T2, T8);
                           TR = VZMULJ(T2, Tu);
                           TU = VZMULJ(T8, T3);
                           Tc = VZMUL(T8, T3);
                           T4 = VZMULJ(T2, T3);
                           TN = VZMUL(T2, T3);
                           TV = LD(&(x[WS(ios, 6)]), dist, &(x[0]));
                           TM = VZMUL(Tx, TL);
                           Ty = VZMULJ(Tx, T3);
                           TE = VZMUL(Tx, T3);
                           Tb = VZMUL(T9, Ta);
                           Tp = VZMUL(T9, T3);
                           Tm = VZMULJ(T9, T3);
                           Te = VZMUL(Tc, Td);
                           T6 = VZMUL(T4, T5);
                           TW = VZMUL(TU, TV);
                        }
                        TO = LD(&(x[WS(ios, 10)]), dist, &(x[0]));
                        TS = LD(&(x[WS(ios, 14)]), dist, &(x[0]));
                        {
                           V TP, TT, Ti, Tk, Tn, Th, Tq, Tj;
                           Th = LD(&(x[WS(ios, 1)]), dist, &(x[WS(ios, 1)]));
                           Tq = LD(&(x[WS(ios, 13)]), dist, &(x[WS(ios, 1)]));
                           Tj = LD(&(x[WS(ios, 9)]), dist, &(x[WS(ios, 1)]));
                           T1o = VSUB(Tb, Te);
                           Tf = VADD(Tb, Te);
                           T1b = VSUB(T1, T6);
                           T7 = VADD(T1, T6);
                           TP = VZMUL(TN, TO);
                           TT = VZMUL(TR, TS);
                           Ti = VZMUL(T2, Th);
                           Tr = VZMUL(Tp, Tq);
                           Tk = VZMUL(T3, Tj);
                           Tn = LD(&(x[WS(ios, 5)]), dist, &(x[WS(ios, 1)]));
                           {
                              V T1c, T1d, Tv, TF;
                              Tv = LD(&(x[WS(ios, 15)]), dist, &(x[WS(ios, 1)]));
                              TF = LD(&(x[WS(ios, 11)]), dist, &(x[WS(ios, 1)]));
                              T1c = VSUB(TM, TP);
                              TQ = VADD(TM, TP);
                              T1d = VSUB(TT, TW);
                              TX = VADD(TT, TW);
                              T1g = VSUB(Ti, Tk);
                              Tl = VADD(Ti, Tk);
                              To = VZMUL(Tm, Tn);
                              Tw = VZMUL(Tu, Tv);
                              TG = VZMUL(TE, TF);
                              Tz = LD(&(x[WS(ios, 7)]), dist, &(x[WS(ios, 1)]));
                              T1p = VSUB(T1c, T1d);
                              T1e = VADD(T1c, T1d);
                              TC = LD(&(x[WS(ios, 3)]), dist, &(x[WS(ios, 1)]));
                           }
                        }
                   }
                }
                {
                   V T1h, Ts, TA, TD;
                   T13 = VADD(T7, Tf);
                   Tg = VSUB(T7, Tf);
                   T1h = VSUB(To, Tr);
                   Ts = VADD(To, Tr);
                   TY = VSUB(TQ, TX);
                   T14 = VADD(TQ, TX);
                   TA = VZMUL(Ty, Tz);
                   T1A = VFNMS(LDK(KP707106781), T1p, T1o);
                   T1q = VFMA(LDK(KP707106781), T1p, T1o);
                   T1f = VFMA(LDK(KP707106781), T1e, T1b);
                   T1x = VFNMS(LDK(KP707106781), T1e, T1b);
                   TD = VZMUL(T8, TC);
                   T1r = VFMA(LDK(KP414213562), T1g, T1h);
                   T1i = VFNMS(LDK(KP414213562), T1h, T1g);
                   Tt = VSUB(Tl, Ts);
                   T16 = VADD(Tl, Ts);
                   TB = VADD(Tw, TA);
                   T1j = VSUB(Tw, TA);
                   T1k = VSUB(TG, TD);
                   TH = VADD(TD, TG);
                }
             }
        }
        {
             V T15, T19, T1l, T1s, TI, T17;
             T15 = VSUB(T13, T14);
             T19 = VADD(T13, T14);
             T1l = VFNMS(LDK(KP414213562), T1k, T1j);
             T1s = VFMA(LDK(KP414213562), T1j, T1k);
             TI = VSUB(TB, TH);
             T17 = VADD(TB, TH);
             {
                V T1y, T1t, T1B, T1m;
                T1y = VADD(T1r, T1s);
                T1t = VSUB(T1r, T1s);
                T1B = VSUB(T1i, T1l);
                T1m = VADD(T1i, T1l);
                {
                   V T18, T1a, TJ, TZ;
                   T18 = VSUB(T16, T17);
                   T1a = VADD(T16, T17);
                   TJ = VADD(Tt, TI);
                   TZ = VSUB(Tt, TI);
                   {
                        V T1u, T1w, T1z, T1D;
                        T1u = VFNMS(LDK(KP923879532), T1t, T1q);
                        T1w = VFMA(LDK(KP923879532), T1t, T1q);
                        T1z = VFNMS(LDK(KP923879532), T1y, T1x);
                        T1D = VFMA(LDK(KP923879532), T1y, T1x);
                        {
                           V T1n, T1v, T1C, T1E;
                           T1n = VFNMS(LDK(KP923879532), T1m, T1f);
                           T1v = VFMA(LDK(KP923879532), T1m, T1f);
                           T1C = VFMA(LDK(KP923879532), T1B, T1A);
                           T1E = VFNMS(LDK(KP923879532), T1B, T1A);
                           ST(&(x[WS(ios, 8)]), VSUB(T19, T1a), dist, &(x[0]));
                           ST(&(x[0]), VADD(T19, T1a), dist, &(x[0]));
                           ST(&(x[WS(ios, 4)]), VFMAI(T18, T15), dist, &(x[0]));
                           ST(&(x[WS(ios, 12)]), VFNMSI(T18, T15), dist, &(x[0]));
                           {
                              V T10, T12, TK, T11;
                              T10 = VFNMS(LDK(KP707106781), TZ, TY);
                              T12 = VFMA(LDK(KP707106781), TZ, TY);
                              TK = VFNMS(LDK(KP707106781), TJ, Tg);
                              T11 = VFMA(LDK(KP707106781), TJ, Tg);
                              ST(&(x[WS(ios, 15)]), VFNMSI(T1w, T1v), dist, &(x[WS(ios, 1)]));
                              ST(&(x[WS(ios, 1)]), VFMAI(T1w, T1v), dist, &(x[WS(ios, 1)]));
                              ST(&(x[WS(ios, 9)]), VFMAI(T1u, T1n), dist, &(x[WS(ios, 1)]));
                              ST(&(x[WS(ios, 7)]), VFNMSI(T1u, T1n), dist, &(x[WS(ios, 1)]));
                              ST(&(x[WS(ios, 3)]), VFNMSI(T1E, T1D), dist, &(x[WS(ios, 1)]));
                              ST(&(x[WS(ios, 13)]), VFMAI(T1E, T1D), dist, &(x[WS(ios, 1)]));
                              ST(&(x[WS(ios, 11)]), VFNMSI(T1C, T1z), dist, &(x[WS(ios, 1)]));
                              ST(&(x[WS(ios, 5)]), VFMAI(T1C, T1z), dist, &(x[WS(ios, 1)]));
                              ST(&(x[WS(ios, 2)]), VFMAI(T12, T11), dist, &(x[0]));
                              ST(&(x[WS(ios, 14)]), VFNMSI(T12, T11), dist, &(x[0]));
                              ST(&(x[WS(ios, 10)]), VFMAI(T10, TK), dist, &(x[0]));
                              ST(&(x[WS(ios, 6)]), VFNMSI(T10, TK), dist, &(x[0]));
                           }
                        }
                   }
                }
             }
        }
     }
     return W;
}

static const tw_instr twinstr[] = {
     VTW(1),
     VTW(3),
     VTW(9),
     VTW(15),
     {TW_NEXT, VL, 0}
};

static const ct_desc desc = { 16, "t3bv_16", twinstr, &GENUS, {64, 52, 34, 0}, 0, 0, 0 };

void X(codelet_t3bv_16) (planner *p) {
     X(kdft_dit_register) (p, t3bv_16, &desc);
}
#else                   /* HAVE_FMA */

/* Generated by: ../../../genfft/gen_twiddle_c -simd -compact -variables 4 -pipeline-latency 8 -twiddle-log3 -precompute-twiddles -no-generate-bytw -n 16 -name t3bv_16 -include t3b.h -sign 1 */

/*
 * This function contains 98 FP additions, 64 FP multiplications,
 * (or, 94 additions, 60 multiplications, 4 fused multiply/add),
 * 51 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 "t3b.h"

static const R *t3bv_16(R *ri, R *ii, const R *W, stride ios, INT m, INT dist)
{
     DVK(KP382683432, +0.382683432365089771728459984030398866761344562);
     DVK(KP923879532, +0.923879532511286756128183189396788286822416626);
     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
     INT i;
     R *x;
     x = ii;
     for (i = m; i > 0; i = i - VL, x = x + (VL * dist), W = W + (TWVL * 8), MAKE_VOLATILE_STRIDE(ios)) {
        V T1, T8, T9, Tl, Ti, TE, T4, Ta, TO, TV, Td, Tm, TA, TH, Ts;
        T1 = LDW(&(W[0]));
        T8 = LDW(&(W[TWVL * 2]));
        T9 = VZMUL(T1, T8);
        Tl = VZMULJ(T1, T8);
        Ti = LDW(&(W[TWVL * 6]));
        TE = VZMULJ(T1, Ti);
        T4 = LDW(&(W[TWVL * 4]));
        Ta = VZMULJ(T9, T4);
        TO = VZMUL(T8, T4);
        TV = VZMULJ(T1, T4);
        Td = VZMUL(T9, T4);
        Tm = VZMULJ(Tl, T4);
        TA = VZMUL(T1, T4);
        TH = VZMULJ(T8, T4);
        Ts = VZMUL(Tl, T4);
        {
             V TY, T1q, TR, T1r, T1m, T1n, TL, TZ, T1f, T1g, T1h, Th, T11, T1i, T1j;
             V T1k, Tw, T12, TU, TX, TW;
             TU = LD(&(x[0]), dist, &(x[0]));
             TW = LD(&(x[WS(ios, 8)]), dist, &(x[0]));
             TX = VZMUL(TV, TW);
             TY = VSUB(TU, TX);
             T1q = VADD(TU, TX);
             {
                V TN, TQ, TM, TP;
                TM = LD(&(x[WS(ios, 4)]), dist, &(x[0]));
                TN = VZMUL(T9, TM);
                TP = LD(&(x[WS(ios, 12)]), dist, &(x[0]));
                TQ = VZMUL(TO, TP);
                TR = VSUB(TN, TQ);
                T1r = VADD(TN, TQ);
             }
             {
                V Tz, TJ, TC, TG, TD, TK;
                {
                   V Ty, TI, TB, TF;
                   Ty = LD(&(x[WS(ios, 2)]), dist, &(x[0]));
                   Tz = VZMUL(Tl, Ty);
                   TI = LD(&(x[WS(ios, 6)]), dist, &(x[0]));
                   TJ = VZMUL(TH, TI);
                   TB = LD(&(x[WS(ios, 10)]), dist, &(x[0]));
                   TC = VZMUL(TA, TB);
                   TF = LD(&(x[WS(ios, 14)]), dist, &(x[0]));
                   TG = VZMUL(TE, TF);
                }
                T1m = VADD(Tz, TC);
                T1n = VADD(TG, TJ);
                TD = VSUB(Tz, TC);
                TK = VSUB(TG, TJ);
                TL = VMUL(LDK(KP707106781), VSUB(TD, TK));
                TZ = VMUL(LDK(KP707106781), VADD(TD, TK));
             }
             {
                V T3, Tf, T6, Tc, T7, Tg;
                {
                   V T2, Te, T5, Tb;
                   T2 = LD(&(x[WS(ios, 1)]), dist, &(x[WS(ios, 1)]));
                   T3 = VZMUL(T1, T2);
                   Te = LD(&(x[WS(ios, 13)]), dist, &(x[WS(ios, 1)]));
                   Tf = VZMUL(Td, Te);
                   T5 = LD(&(x[WS(ios, 9)]), dist, &(x[WS(ios, 1)]));
                   T6 = VZMUL(T4, T5);
                   Tb = LD(&(x[WS(ios, 5)]), dist, &(x[WS(ios, 1)]));
                   Tc = VZMUL(Ta, Tb);
                }
                T1f = VADD(T3, T6);
                T1g = VADD(Tc, Tf);
                T1h = VSUB(T1f, T1g);
                T7 = VSUB(T3, T6);
                Tg = VSUB(Tc, Tf);
                Th = VFNMS(LDK(KP382683432), Tg, VMUL(LDK(KP923879532), T7));
                T11 = VFMA(LDK(KP382683432), T7, VMUL(LDK(KP923879532), Tg));
             }
             {
                V Tk, Tu, To, Tr, Tp, Tv;
                {
                   V Tj, Tt, Tn, Tq;
                   Tj = LD(&(x[WS(ios, 15)]), dist, &(x[WS(ios, 1)]));
                   Tk = VZMUL(Ti, Tj);
                   Tt = LD(&(x[WS(ios, 11)]), dist, &(x[WS(ios, 1)]));
                   Tu = VZMUL(Ts, Tt);
                   Tn = LD(&(x[WS(ios, 7)]), dist, &(x[WS(ios, 1)]));
                   To = VZMUL(Tm, Tn);
                   Tq = LD(&(x[WS(ios, 3)]), dist, &(x[WS(ios, 1)]));
                   Tr = VZMUL(T8, Tq);
                }
                T1i = VADD(Tk, To);
                T1j = VADD(Tr, Tu);
                T1k = VSUB(T1i, T1j);
                Tp = VSUB(Tk, To);
                Tv = VSUB(Tr, Tu);
                Tw = VFMA(LDK(KP923879532), Tp, VMUL(LDK(KP382683432), Tv));
                T12 = VFNMS(LDK(KP382683432), Tp, VMUL(LDK(KP923879532), Tv));
             }
             {
                V T1p, T1v, T1u, T1w;
                {
                   V T1l, T1o, T1s, T1t;
                   T1l = VMUL(LDK(KP707106781), VSUB(T1h, T1k));
                   T1o = VSUB(T1m, T1n);
                   T1p = VBYI(VSUB(T1l, T1o));
                   T1v = VBYI(VADD(T1o, T1l));
                   T1s = VSUB(T1q, T1r);
                   T1t = VMUL(LDK(KP707106781), VADD(T1h, T1k));
                   T1u = VSUB(T1s, T1t);
                   T1w = VADD(T1s, T1t);
                }
                ST(&(x[WS(ios, 6)]), VADD(T1p, T1u), dist, &(x[0]));
                ST(&(x[WS(ios, 14)]), VSUB(T1w, T1v), dist, &(x[0]));
                ST(&(x[WS(ios, 10)]), VSUB(T1u, T1p), dist, &(x[0]));
                ST(&(x[WS(ios, 2)]), VADD(T1v, T1w), dist, &(x[0]));
             }
             {
                V T1z, T1D, T1C, T1E;
                {
                   V T1x, T1y, T1A, T1B;
                   T1x = VADD(T1q, T1r);
                   T1y = VADD(T1m, T1n);
                   T1z = VSUB(T1x, T1y);
                   T1D = VADD(T1x, T1y);
                   T1A = VADD(T1f, T1g);
                   T1B = VADD(T1i, T1j);
                   T1C = VBYI(VSUB(T1A, T1B));
                   T1E = VADD(T1A, T1B);
                }
                ST(&(x[WS(ios, 12)]), VSUB(T1z, T1C), dist, &(x[0]));
                ST(&(x[0]), VADD(T1D, T1E), dist, &(x[0]));
                ST(&(x[WS(ios, 4)]), VADD(T1z, T1C), dist, &(x[0]));
                ST(&(x[WS(ios, 8)]), VSUB(T1D, T1E), dist, &(x[0]));
             }
             {
                V TT, T15, T14, T16;
                {
                   V Tx, TS, T10, T13;
                   Tx = VSUB(Th, Tw);
                   TS = VSUB(TL, TR);
                   TT = VBYI(VSUB(Tx, TS));
                   T15 = VBYI(VADD(TS, Tx));
                   T10 = VSUB(TY, TZ);
                   T13 = VSUB(T11, T12);
                   T14 = VSUB(T10, T13);
                   T16 = VADD(T10, T13);
                }
                ST(&(x[WS(ios, 5)]), VADD(TT, T14), dist, &(x[WS(ios, 1)]));
                ST(&(x[WS(ios, 13)]), VSUB(T16, T15), dist, &(x[WS(ios, 1)]));
                ST(&(x[WS(ios, 11)]), VSUB(T14, TT), dist, &(x[WS(ios, 1)]));
                ST(&(x[WS(ios, 3)]), VADD(T15, T16), dist, &(x[WS(ios, 1)]));
             }
             {
                V T19, T1d, T1c, T1e;
                {
                   V T17, T18, T1a, T1b;
                   T17 = VADD(TY, TZ);
                   T18 = VADD(Th, Tw);
                   T19 = VADD(T17, T18);
                   T1d = VSUB(T17, T18);
                   T1a = VADD(TR, TL);
                   T1b = VADD(T11, T12);
                   T1c = VBYI(VADD(T1a, T1b));
                   T1e = VBYI(VSUB(T1b, T1a));
                }
                ST(&(x[WS(ios, 15)]), VSUB(T19, T1c), dist, &(x[WS(ios, 1)]));
                ST(&(x[WS(ios, 7)]), VADD(T1d, T1e), dist, &(x[WS(ios, 1)]));
                ST(&(x[WS(ios, 1)]), VADD(T19, T1c), dist, &(x[WS(ios, 1)]));
                ST(&(x[WS(ios, 9)]), VSUB(T1d, T1e), dist, &(x[WS(ios, 1)]));
             }
        }
     }
     return W;
}

static const tw_instr twinstr[] = {
     VTW(1),
     VTW(3),
     VTW(9),
     VTW(15),
     {TW_NEXT, VL, 0}
};

static const ct_desc desc = { 16, "t3bv_16", twinstr, &GENUS, {94, 60, 4, 0}, 0, 0, 0 };

void X(codelet_t3bv_16) (planner *p) {
     X(kdft_dit_register) (p, t3bv_16, &desc);
}
#endif                        /* HAVE_FMA */

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