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t2sv_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 22:34:33 EDT 2006 */

#include "codelet-dft.h"

#ifdef HAVE_FMA

/* Generated by: ../../../genfft/gen_twiddle -fma -reorder-insns -schedule-for-pipeline -simd -compact -variables 4 -pipeline-latency 8 -twiddle-log3 -precompute-twiddles -n 8 -name t2sv_8 -include ts.h */

/*
 * This function contains 74 FP additions, 50 FP multiplications,
 * (or, 44 additions, 20 multiplications, 30 fused multiply/add),
 * 64 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 "ts.h"

static const R *t2sv_8(R *ri, R *ii, const R *W, stride ios, INT m, INT dist)
{
     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
     INT i;
     for (i = m; i > 0; i = i - (2 * VL), ri = ri + ((2 * VL) * dist), ii = ii + ((2 * VL) * dist), W = W + ((2 * VL) * 6), MAKE_VOLATILE_STRIDE(ios)) {
        V T1m, T1l, T1k, T1u, T1n, T1o;
        {
             V T2, T3, Tl, Tn, T5, T6;
             T2 = LDW(&(W[0]));
             T3 = LDW(&(W[TWVL * 2]));
             Tl = LDW(&(W[TWVL * 4]));
             Tn = LDW(&(W[TWVL * 5]));
             T5 = LDW(&(W[TWVL * 1]));
             T6 = LDW(&(W[TWVL * 3]));
             {
                V T1, T1s, TK, T1r, Td, Tk, TG, TC, TY, Tu, TW, TL, TM, TO, TQ;
                V Tx, Tz, TD, TH;
                {
                   V T8, T4, Tm, Tr, Tc, Ta;
                   T1 = LD(&(ri[0]), dist, &(ri[0]));
                   T1s = LD(&(ii[0]), dist, &(ii[0]));
                   T8 = LD(&(ri[WS(ios, 4)]), dist, &(ri[0]));
                   T4 = VMUL(T2, T3);
                   Tm = VMUL(T2, Tl);
                   Tr = VMUL(T2, Tn);
                   Tc = LD(&(ii[WS(ios, 4)]), dist, &(ii[0]));
                   Ta = VMUL(T2, T6);
                   {
                        V Tp, Tt, Tg, T7, Tf, To, Ts, Ti, Tb, Tj;
                        Tp = LD(&(ri[WS(ios, 6)]), dist, &(ri[0]));
                        Tt = LD(&(ii[WS(ios, 6)]), dist, &(ii[0]));
                        Tg = LD(&(ri[WS(ios, 2)]), dist, &(ri[0]));
                        T7 = VFNMS(T5, T6, T4);
                        Tf = VFMA(T5, T6, T4);
                        To = VFMA(T5, Tn, Tm);
                        Ts = VFNMS(T5, Tl, Tr);
                        Ti = VFNMS(T5, T3, Ta);
                        Tb = VFMA(T5, T3, Ta);
                        Tj = LD(&(ii[WS(ios, 2)]), dist, &(ii[0]));
                        TK = LD(&(ri[WS(ios, 7)]), dist, &(ri[WS(ios, 1)]));
                        {
                           V T1q, T9, Th, TF;
                           T1q = VMUL(T7, Tc);
                           T9 = VMUL(T7, T8);
                           Th = VMUL(Tf, Tg);
                           TF = VMUL(Tf, Tn);
                           {
                              V TB, TX, Tq, TV;
                              TB = VMUL(Tf, Tl);
                              TX = VMUL(To, Tt);
                              Tq = VMUL(To, Tp);
                              TV = VMUL(Tf, Tj);
                              T1r = VFNMS(Tb, T8, T1q);
                              Td = VFMA(Tb, Tc, T9);
                              Tk = VFMA(Ti, Tj, Th);
                              TG = VFNMS(Ti, Tl, TF);
                              TC = VFMA(Ti, Tn, TB);
                              TY = VFNMS(Ts, Tp, TX);
                              Tu = VFMA(Ts, Tt, Tq);
                              TW = VFNMS(Ti, Tg, TV);
                              TL = VMUL(Tl, TK);
                           }
                        }
                        TM = LD(&(ii[WS(ios, 7)]), dist, &(ii[WS(ios, 1)]));
                        TO = LD(&(ri[WS(ios, 3)]), dist, &(ri[WS(ios, 1)]));
                        TQ = LD(&(ii[WS(ios, 3)]), dist, &(ii[WS(ios, 1)]));
                        Tx = LD(&(ri[WS(ios, 1)]), dist, &(ri[WS(ios, 1)]));
                        Tz = LD(&(ii[WS(ios, 1)]), dist, &(ii[WS(ios, 1)]));
                        TD = LD(&(ri[WS(ios, 5)]), dist, &(ri[WS(ios, 1)]));
                        TH = LD(&(ii[WS(ios, 5)]), dist, &(ii[WS(ios, 1)]));
                   }
                }
                {
                   V Te, T1p, T1g, T10, TS, T18, T1d, T1t, T1x, T1y, Tv, TJ, T11, T16;
                   {
                        V TN, T1a, TR, T1c, TA, T13, TI, T15;
                        {
                           V TU, T19, TP, T1b, Ty, T12, TE, T14, TZ;
                           TU = VSUB(T1, Td);
                           Te = VADD(T1, Td);
                           TN = VFMA(Tn, TM, TL);
                           T19 = VMUL(Tl, TM);
                           TP = VMUL(T3, TO);
                           T1b = VMUL(T3, TQ);
                           Ty = VMUL(T2, Tx);
                           T12 = VMUL(T2, Tz);
                           TE = VMUL(TC, TD);
                           T14 = VMUL(TC, TH);
                           T1p = VADD(TW, TY);
                           TZ = VSUB(TW, TY);
                           T1a = VFNMS(Tn, TK, T19);
                           TR = VFMA(T6, TQ, TP);
                           T1c = VFNMS(T6, TO, T1b);
                           TA = VFMA(T5, Tz, Ty);
                           T13 = VFNMS(T5, Tx, T12);
                           TI = VFMA(TG, TH, TE);
                           T15 = VFNMS(TG, TD, T14);
                           T1g = VSUB(TU, TZ);
                           T10 = VADD(TU, TZ);
                        }
                        TS = VADD(TN, TR);
                        T18 = VSUB(TN, TR);
                        T1d = VSUB(T1a, T1c);
                        T1m = VADD(T1a, T1c);
                        T1t = VADD(T1r, T1s);
                        T1x = VSUB(T1s, T1r);
                        T1y = VSUB(Tk, Tu);
                        Tv = VADD(Tk, Tu);
                        TJ = VADD(TA, TI);
                        T11 = VSUB(TA, TI);
                        T16 = VSUB(T13, T15);
                        T1l = VADD(T13, T15);
                   }
                   {
                        V Tw, T1w, T1v, TT;
                        {
                           V T1i, T1e, T1B, T1z, T1h, T17;
                           T1i = VADD(T18, T1d);
                           T1e = VSUB(T18, T1d);
                           T1B = VADD(T1y, T1x);
                           T1z = VSUB(T1x, T1y);
                           T1h = VSUB(T16, T11);
                           T17 = VADD(T11, T16);
                           T1k = VSUB(Te, Tv);
                           Tw = VADD(Te, Tv);
                           {
                              V T1A, T1j, T1C, T1f;
                              T1A = VADD(T1h, T1i);
                              T1j = VSUB(T1h, T1i);
                              T1C = VSUB(T1e, T17);
                              T1f = VADD(T17, T1e);
                              T1w = VSUB(T1t, T1p);
                              T1u = VADD(T1p, T1t);
                              T1v = VSUB(TS, TJ);
                              TT = VADD(TJ, TS);
                              ST(&(ii[WS(ios, 1)]), VFMA(LDK(KP707106781), T1A, T1z), dist, &(ii[WS(ios, 1)]));
                              ST(&(ii[WS(ios, 5)]), VFNMS(LDK(KP707106781), T1A, T1z), dist, &(ii[WS(ios, 1)]));
                              ST(&(ri[WS(ios, 3)]), VFMA(LDK(KP707106781), T1j, T1g), dist, &(ri[WS(ios, 1)]));
                              ST(&(ri[WS(ios, 7)]), VFNMS(LDK(KP707106781), T1j, T1g), dist, &(ri[WS(ios, 1)]));
                              ST(&(ii[WS(ios, 3)]), VFMA(LDK(KP707106781), T1C, T1B), dist, &(ii[WS(ios, 1)]));
                              ST(&(ii[WS(ios, 7)]), VFNMS(LDK(KP707106781), T1C, T1B), dist, &(ii[WS(ios, 1)]));
                              ST(&(ri[WS(ios, 1)]), VFMA(LDK(KP707106781), T1f, T10), dist, &(ri[WS(ios, 1)]));
                              ST(&(ri[WS(ios, 5)]), VFNMS(LDK(KP707106781), T1f, T10), dist, &(ri[WS(ios, 1)]));
                           }
                        }
                        ST(&(ri[WS(ios, 4)]), VSUB(Tw, TT), dist, &(ri[0]));
                        ST(&(ri[0]), VADD(Tw, TT), dist, &(ri[0]));
                        ST(&(ii[WS(ios, 6)]), VSUB(T1w, T1v), dist, &(ii[0]));
                        ST(&(ii[WS(ios, 2)]), VADD(T1v, T1w), dist, &(ii[0]));
                   }
                }
             }
        }
        T1n = VSUB(T1l, T1m);
        T1o = VADD(T1l, T1m);
        ST(&(ii[0]), VADD(T1o, T1u), dist, &(ii[0]));
        ST(&(ii[WS(ios, 4)]), VSUB(T1u, T1o), dist, &(ii[0]));
        ST(&(ri[WS(ios, 2)]), VADD(T1k, T1n), dist, &(ri[0]));
        ST(&(ri[WS(ios, 6)]), VSUB(T1k, T1n), dist, &(ri[0]));
     }
     return W;
}

static const tw_instr twinstr[] = {
     VTW(1),
     VTW(3),
     VTW(7),
     {TW_NEXT, (2 * VL), 0}
};

static const ct_desc desc = { 8, "t2sv_8", twinstr, &GENUS, {44, 20, 30, 0}, 0, 0, 0 };

void X(codelet_t2sv_8) (planner *p) {
     X(kdft_dit_register) (p, t2sv_8, &desc);
}
#else                   /* HAVE_FMA */

/* Generated by: ../../../genfft/gen_twiddle -simd -compact -variables 4 -pipeline-latency 8 -twiddle-log3 -precompute-twiddles -n 8 -name t2sv_8 -include ts.h */

/*
 * This function contains 74 FP additions, 44 FP multiplications,
 * (or, 56 additions, 26 multiplications, 18 fused multiply/add),
 * 42 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 "ts.h"

static const R *t2sv_8(R *ri, R *ii, const R *W, stride ios, INT m, INT dist)
{
     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
     INT i;
     for (i = m; i > 0; i = i - (2 * VL), ri = ri + ((2 * VL) * dist), ii = ii + ((2 * VL) * dist), W = W + ((2 * VL) * 6), MAKE_VOLATILE_STRIDE(ios)) {
        V T2, T5, T3, T6, T8, Tc, Tg, Ti, Tl, Tm, Tn, Tz, Tp, Tx;
        {
             V T4, Tb, T7, Ta;
             T2 = LDW(&(W[0]));
             T5 = LDW(&(W[TWVL * 1]));
             T3 = LDW(&(W[TWVL * 2]));
             T6 = LDW(&(W[TWVL * 3]));
             T4 = VMUL(T2, T3);
             Tb = VMUL(T5, T3);
             T7 = VMUL(T5, T6);
             Ta = VMUL(T2, T6);
             T8 = VSUB(T4, T7);
             Tc = VADD(Ta, Tb);
             Tg = VADD(T4, T7);
             Ti = VSUB(Ta, Tb);
             Tl = LDW(&(W[TWVL * 4]));
             Tm = LDW(&(W[TWVL * 5]));
             Tn = VFMA(T2, Tl, VMUL(T5, Tm));
             Tz = VFNMS(Ti, Tl, VMUL(Tg, Tm));
             Tp = VFNMS(T5, Tl, VMUL(T2, Tm));
             Tx = VFMA(Tg, Tl, VMUL(Ti, Tm));
        }
        {
             V Tf, T1i, TL, T1d, TJ, T17, TV, TY, Ts, T1j, TO, T1a, TC, T16, TQ;
             V TT;
             {
                V T1, T1c, Te, T1b, T9, Td;
                T1 = LD(&(ri[0]), dist, &(ri[0]));
                T1c = LD(&(ii[0]), dist, &(ii[0]));
                T9 = LD(&(ri[WS(ios, 4)]), dist, &(ri[0]));
                Td = LD(&(ii[WS(ios, 4)]), dist, &(ii[0]));
                Te = VFMA(T8, T9, VMUL(Tc, Td));
                T1b = VFNMS(Tc, T9, VMUL(T8, Td));
                Tf = VADD(T1, Te);
                T1i = VSUB(T1c, T1b);
                TL = VSUB(T1, Te);
                T1d = VADD(T1b, T1c);
             }
             {
                V TF, TW, TI, TX;
                {
                   V TD, TE, TG, TH;
                   TD = LD(&(ri[WS(ios, 7)]), dist, &(ri[WS(ios, 1)]));
                   TE = LD(&(ii[WS(ios, 7)]), dist, &(ii[WS(ios, 1)]));
                   TF = VFMA(Tl, TD, VMUL(Tm, TE));
                   TW = VFNMS(Tm, TD, VMUL(Tl, TE));
                   TG = LD(&(ri[WS(ios, 3)]), dist, &(ri[WS(ios, 1)]));
                   TH = LD(&(ii[WS(ios, 3)]), dist, &(ii[WS(ios, 1)]));
                   TI = VFMA(T3, TG, VMUL(T6, TH));
                   TX = VFNMS(T6, TG, VMUL(T3, TH));
                }
                TJ = VADD(TF, TI);
                T17 = VADD(TW, TX);
                TV = VSUB(TF, TI);
                TY = VSUB(TW, TX);
             }
             {
                V Tk, TM, Tr, TN;
                {
                   V Th, Tj, To, Tq;
                   Th = LD(&(ri[WS(ios, 2)]), dist, &(ri[0]));
                   Tj = LD(&(ii[WS(ios, 2)]), dist, &(ii[0]));
                   Tk = VFMA(Tg, Th, VMUL(Ti, Tj));
                   TM = VFNMS(Ti, Th, VMUL(Tg, Tj));
                   To = LD(&(ri[WS(ios, 6)]), dist, &(ri[0]));
                   Tq = LD(&(ii[WS(ios, 6)]), dist, &(ii[0]));
                   Tr = VFMA(Tn, To, VMUL(Tp, Tq));
                   TN = VFNMS(Tp, To, VMUL(Tn, Tq));
                }
                Ts = VADD(Tk, Tr);
                T1j = VSUB(Tk, Tr);
                TO = VSUB(TM, TN);
                T1a = VADD(TM, TN);
             }
             {
                V Tw, TR, TB, TS;
                {
                   V Tu, Tv, Ty, TA;
                   Tu = LD(&(ri[WS(ios, 1)]), dist, &(ri[WS(ios, 1)]));
                   Tv = LD(&(ii[WS(ios, 1)]), dist, &(ii[WS(ios, 1)]));
                   Tw = VFMA(T2, Tu, VMUL(T5, Tv));
                   TR = VFNMS(T5, Tu, VMUL(T2, Tv));
                   Ty = LD(&(ri[WS(ios, 5)]), dist, &(ri[WS(ios, 1)]));
                   TA = LD(&(ii[WS(ios, 5)]), dist, &(ii[WS(ios, 1)]));
                   TB = VFMA(Tx, Ty, VMUL(Tz, TA));
                   TS = VFNMS(Tz, Ty, VMUL(Tx, TA));
                }
                TC = VADD(Tw, TB);
                T16 = VADD(TR, TS);
                TQ = VSUB(Tw, TB);
                TT = VSUB(TR, TS);
             }
             {
                V Tt, TK, T1f, T1g;
                Tt = VADD(Tf, Ts);
                TK = VADD(TC, TJ);
                ST(&(ri[WS(ios, 4)]), VSUB(Tt, TK), dist, &(ri[0]));
                ST(&(ri[0]), VADD(Tt, TK), dist, &(ri[0]));
                {
                   V T19, T1e, T15, T18;
                   T19 = VADD(T16, T17);
                   T1e = VADD(T1a, T1d);
                   ST(&(ii[0]), VADD(T19, T1e), dist, &(ii[0]));
                   ST(&(ii[WS(ios, 4)]), VSUB(T1e, T19), dist, &(ii[0]));
                   T15 = VSUB(Tf, Ts);
                   T18 = VSUB(T16, T17);
                   ST(&(ri[WS(ios, 6)]), VSUB(T15, T18), dist, &(ri[0]));
                   ST(&(ri[WS(ios, 2)]), VADD(T15, T18), dist, &(ri[0]));
                }
                T1f = VSUB(TJ, TC);
                T1g = VSUB(T1d, T1a);
                ST(&(ii[WS(ios, 2)]), VADD(T1f, T1g), dist, &(ii[0]));
                ST(&(ii[WS(ios, 6)]), VSUB(T1g, T1f), dist, &(ii[0]));
                {
                   V T11, T1k, T14, T1h, T12, T13;
                   T11 = VSUB(TL, TO);
                   T1k = VSUB(T1i, T1j);
                   T12 = VSUB(TT, TQ);
                   T13 = VADD(TV, TY);
                   T14 = VMUL(LDK(KP707106781), VSUB(T12, T13));
                   T1h = VMUL(LDK(KP707106781), VADD(T12, T13));
                   ST(&(ri[WS(ios, 7)]), VSUB(T11, T14), dist, &(ri[WS(ios, 1)]));
                   ST(&(ii[WS(ios, 5)]), VSUB(T1k, T1h), dist, &(ii[WS(ios, 1)]));
                   ST(&(ri[WS(ios, 3)]), VADD(T11, T14), dist, &(ri[WS(ios, 1)]));
                   ST(&(ii[WS(ios, 1)]), VADD(T1h, T1k), dist, &(ii[WS(ios, 1)]));
                }
                {
                   V TP, T1m, T10, T1l, TU, TZ;
                   TP = VADD(TL, TO);
                   T1m = VADD(T1j, T1i);
                   TU = VADD(TQ, TT);
                   TZ = VSUB(TV, TY);
                   T10 = VMUL(LDK(KP707106781), VADD(TU, TZ));
                   T1l = VMUL(LDK(KP707106781), VSUB(TZ, TU));
                   ST(&(ri[WS(ios, 5)]), VSUB(TP, T10), dist, &(ri[WS(ios, 1)]));
                   ST(&(ii[WS(ios, 7)]), VSUB(T1m, T1l), dist, &(ii[WS(ios, 1)]));
                   ST(&(ri[WS(ios, 1)]), VADD(TP, T10), dist, &(ri[WS(ios, 1)]));
                   ST(&(ii[WS(ios, 3)]), VADD(T1l, T1m), dist, &(ii[WS(ios, 1)]));
                }
             }
        }
     }
     return W;
}

static const tw_instr twinstr[] = {
     VTW(1),
     VTW(3),
     VTW(7),
     {TW_NEXT, (2 * VL), 0}
};

static const ct_desc desc = { 8, "t2sv_8", twinstr, &GENUS, {56, 26, 18, 0}, 0, 0, 0 };

void X(codelet_t2sv_8) (planner *p) {
     X(kdft_dit_register) (p, t2sv_8, &desc);
}
#endif                        /* HAVE_FMA */

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