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t1bv_12.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 14:59:39 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 12 -name t1bv_12 -include t1b.h -sign 1 */

/*
 * This function contains 59 FP additions, 42 FP multiplications,
 * (or, 41 additions, 24 multiplications, 18 fused multiply/add),
 * 41 stack variables, and 24 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 "t1b.h"

static const R *t1bv_12(R *ri, R *ii, const R *W, stride ios, INT m, INT dist)
{
     DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
     DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
     INT i;
     R *x;
     x = ii;
     for (i = m; i > 0; i = i - VL, x = x + (VL * dist), W = W + (TWVL * 22), MAKE_VOLATILE_STRIDE(ios)) {
        V TI, Ti, TA, T7, Tm, TE, Tw, Tk, Tf, TB, TU, TM;
        {
             V T9, TK, Tj, TL, Te;
             {
                V T1, T4, T2, Tp, Tt, Tr;
                T1 = LD(&(x[0]), dist, &(x[0]));
                T4 = LD(&(x[WS(ios, 8)]), dist, &(x[0]));
                T2 = LD(&(x[WS(ios, 4)]), dist, &(x[0]));
                Tp = LD(&(x[WS(ios, 9)]), dist, &(x[WS(ios, 1)]));
                Tt = LD(&(x[WS(ios, 5)]), dist, &(x[WS(ios, 1)]));
                Tr = LD(&(x[WS(ios, 1)]), dist, &(x[WS(ios, 1)]));
                {
                   V T5, T3, Tq, Tu, Ts, Td, Tb, T8, Tc, Ta;
                   T8 = LD(&(x[WS(ios, 6)]), dist, &(x[0]));
                   Tc = LD(&(x[WS(ios, 2)]), dist, &(x[0]));
                   Ta = LD(&(x[WS(ios, 10)]), dist, &(x[0]));
                   T5 = BYTW(&(W[TWVL * 14]), T4);
                   T3 = BYTW(&(W[TWVL * 6]), T2);
                   Tq = BYTW(&(W[TWVL * 16]), Tp);
                   Tu = BYTW(&(W[TWVL * 8]), Tt);
                   Ts = BYTW(&(W[0]), Tr);
                   T9 = BYTW(&(W[TWVL * 10]), T8);
                   Td = BYTW(&(W[TWVL * 2]), Tc);
                   Tb = BYTW(&(W[TWVL * 18]), Ta);
                   {
                        V Th, T6, Tl, Tv;
                        Th = LD(&(x[WS(ios, 3)]), dist, &(x[WS(ios, 1)]));
                        TK = VSUB(T3, T5);
                        T6 = VADD(T3, T5);
                        Tl = LD(&(x[WS(ios, 11)]), dist, &(x[WS(ios, 1)]));
                        Tv = VADD(Ts, Tu);
                        TI = VSUB(Tu, Ts);
                        Tj = LD(&(x[WS(ios, 7)]), dist, &(x[WS(ios, 1)]));
                        TL = VSUB(Tb, Td);
                        Te = VADD(Tb, Td);
                        Ti = BYTW(&(W[TWVL * 4]), Th);
                        TA = VFNMS(LDK(KP500000000), T6, T1);
                        T7 = VADD(T1, T6);
                        Tm = BYTW(&(W[TWVL * 20]), Tl);
                        TE = VFNMS(LDK(KP500000000), Tv, Tq);
                        Tw = VADD(Tq, Tv);
                   }
                }
             }
             Tk = BYTW(&(W[TWVL * 12]), Tj);
             Tf = VADD(T9, Te);
             TB = VFNMS(LDK(KP500000000), Te, T9);
             TU = VSUB(TK, TL);
             TM = VADD(TK, TL);
        }
        {
             V Tn, TH, TC, TQ, Ty, Tg;
             Tn = VADD(Tk, Tm);
             TH = VSUB(Tk, Tm);
             TC = VADD(TA, TB);
             TQ = VSUB(TA, TB);
             Ty = VADD(T7, Tf);
             Tg = VSUB(T7, Tf);
             {
                V To, TD, TJ, TR;
                To = VADD(Ti, Tn);
                TD = VFNMS(LDK(KP500000000), Tn, Ti);
                TJ = VSUB(TH, TI);
                TR = VADD(TH, TI);
                {
                   V TP, TN, TW, TS, TO, TG, TX, TV;
                   {
                        V Tz, Tx, TF, TT;
                        Tz = VADD(To, Tw);
                        Tx = VSUB(To, Tw);
                        TF = VADD(TD, TE);
                        TT = VSUB(TD, TE);
                        TP = VMUL(LDK(KP866025403), VADD(TM, TJ));
                        TN = VMUL(LDK(KP866025403), VSUB(TJ, TM));
                        TW = VFMA(LDK(KP866025403), TR, TQ);
                        TS = VFNMS(LDK(KP866025403), TR, TQ);
                        ST(&(x[WS(ios, 6)]), VSUB(Ty, Tz), dist, &(x[0]));
                        ST(&(x[0]), VADD(Ty, Tz), dist, &(x[0]));
                        ST(&(x[WS(ios, 9)]), VFMAI(Tx, Tg), dist, &(x[WS(ios, 1)]));
                        ST(&(x[WS(ios, 3)]), VFNMSI(Tx, Tg), dist, &(x[WS(ios, 1)]));
                        TO = VADD(TC, TF);
                        TG = VSUB(TC, TF);
                        TX = VFNMS(LDK(KP866025403), TU, TT);
                        TV = VFMA(LDK(KP866025403), TU, TT);
                   }
                   ST(&(x[WS(ios, 8)]), VFNMSI(TP, TO), dist, &(x[0]));
                   ST(&(x[WS(ios, 4)]), VFMAI(TP, TO), dist, &(x[0]));
                   ST(&(x[WS(ios, 2)]), VFMAI(TN, TG), dist, &(x[0]));
                   ST(&(x[WS(ios, 10)]), VFNMSI(TN, TG), dist, &(x[0]));
                   ST(&(x[WS(ios, 5)]), VFMAI(TX, TW), dist, &(x[WS(ios, 1)]));
                   ST(&(x[WS(ios, 7)]), VFNMSI(TX, TW), dist, &(x[WS(ios, 1)]));
                   ST(&(x[WS(ios, 11)]), VFNMSI(TV, TS), dist, &(x[WS(ios, 1)]));
                   ST(&(x[WS(ios, 1)]), VFMAI(TV, TS), 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),
     {TW_NEXT, VL, 0}
};

static const ct_desc desc = { 12, "t1bv_12", twinstr, &GENUS, {41, 24, 18, 0}, 0, 0, 0 };

void X(codelet_t1bv_12) (planner *p) {
     X(kdft_dit_register) (p, t1bv_12, &desc);
}
#else                   /* HAVE_FMA */

/* Generated by: ../../../genfft/gen_twiddle_c -simd -compact -variables 4 -pipeline-latency 8 -n 12 -name t1bv_12 -include t1b.h -sign 1 */

/*
 * This function contains 59 FP additions, 30 FP multiplications,
 * (or, 55 additions, 26 multiplications, 4 fused multiply/add),
 * 28 stack variables, and 24 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 "t1b.h"

static const R *t1bv_12(R *ri, R *ii, const R *W, stride ios, INT m, INT dist)
{
     DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
     DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
     INT i;
     R *x;
     x = ii;
     for (i = m; i > 0; i = i - VL, x = x + (VL * dist), W = W + (TWVL * 22), MAKE_VOLATILE_STRIDE(ios)) {
        V T1, Tt, T6, T7, TB, Tq, TC, TD, T9, Tu, Te, Tf, Tx, Tl, Ty;
        V Tz;
        {
             V T5, T3, T4, T2;
             T1 = LD(&(x[0]), dist, &(x[0]));
             T4 = LD(&(x[WS(ios, 8)]), dist, &(x[0]));
             T5 = BYTW(&(W[TWVL * 14]), T4);
             T2 = LD(&(x[WS(ios, 4)]), dist, &(x[0]));
             T3 = BYTW(&(W[TWVL * 6]), T2);
             Tt = VSUB(T3, T5);
             T6 = VADD(T3, T5);
             T7 = VFNMS(LDK(KP500000000), T6, T1);
        }
        {
             V Tn, Tp, Tm, TA, To;
             Tm = LD(&(x[WS(ios, 1)]), dist, &(x[WS(ios, 1)]));
             Tn = BYTW(&(W[0]), Tm);
             TA = LD(&(x[WS(ios, 9)]), dist, &(x[WS(ios, 1)]));
             TB = BYTW(&(W[TWVL * 16]), TA);
             To = LD(&(x[WS(ios, 5)]), dist, &(x[WS(ios, 1)]));
             Tp = BYTW(&(W[TWVL * 8]), To);
             Tq = VSUB(Tn, Tp);
             TC = VADD(Tn, Tp);
             TD = VFNMS(LDK(KP500000000), TC, TB);
        }
        {
             V Td, Tb, T8, Tc, Ta;
             T8 = LD(&(x[WS(ios, 6)]), dist, &(x[0]));
             T9 = BYTW(&(W[TWVL * 10]), T8);
             Tc = LD(&(x[WS(ios, 2)]), dist, &(x[0]));
             Td = BYTW(&(W[TWVL * 2]), Tc);
             Ta = LD(&(x[WS(ios, 10)]), dist, &(x[0]));
             Tb = BYTW(&(W[TWVL * 18]), Ta);
             Tu = VSUB(Tb, Td);
             Te = VADD(Tb, Td);
             Tf = VFNMS(LDK(KP500000000), Te, T9);
        }
        {
             V Ti, Tk, Th, Tw, Tj;
             Th = LD(&(x[WS(ios, 7)]), dist, &(x[WS(ios, 1)]));
             Ti = BYTW(&(W[TWVL * 12]), Th);
             Tw = LD(&(x[WS(ios, 3)]), dist, &(x[WS(ios, 1)]));
             Tx = BYTW(&(W[TWVL * 4]), Tw);
             Tj = LD(&(x[WS(ios, 11)]), dist, &(x[WS(ios, 1)]));
             Tk = BYTW(&(W[TWVL * 20]), Tj);
             Tl = VSUB(Ti, Tk);
             Ty = VADD(Ti, Tk);
             Tz = VFNMS(LDK(KP500000000), Ty, Tx);
        }
        {
             V Ts, TG, TF, TH;
             {
                V Tg, Tr, Tv, TE;
                Tg = VSUB(T7, Tf);
                Tr = VMUL(LDK(KP866025403), VSUB(Tl, Tq));
                Ts = VSUB(Tg, Tr);
                TG = VADD(Tg, Tr);
                Tv = VMUL(LDK(KP866025403), VSUB(Tt, Tu));
                TE = VSUB(Tz, TD);
                TF = VBYI(VADD(Tv, TE));
                TH = VBYI(VSUB(TE, Tv));
             }
             ST(&(x[WS(ios, 11)]), VSUB(Ts, TF), dist, &(x[WS(ios, 1)]));
             ST(&(x[WS(ios, 5)]), VADD(TG, TH), dist, &(x[WS(ios, 1)]));
             ST(&(x[WS(ios, 1)]), VADD(Ts, TF), dist, &(x[WS(ios, 1)]));
             ST(&(x[WS(ios, 7)]), VSUB(TG, TH), dist, &(x[WS(ios, 1)]));
        }
        {
             V TS, TW, TV, TX;
             {
                V TQ, TR, TT, TU;
                TQ = VADD(T1, T6);
                TR = VADD(T9, Te);
                TS = VSUB(TQ, TR);
                TW = VADD(TQ, TR);
                TT = VADD(Tx, Ty);
                TU = VADD(TB, TC);
                TV = VBYI(VSUB(TT, TU));
                TX = VADD(TT, TU);
             }
             ST(&(x[WS(ios, 3)]), VSUB(TS, TV), dist, &(x[WS(ios, 1)]));
             ST(&(x[0]), VADD(TW, TX), dist, &(x[0]));
             ST(&(x[WS(ios, 9)]), VADD(TS, TV), dist, &(x[WS(ios, 1)]));
             ST(&(x[WS(ios, 6)]), VSUB(TW, TX), dist, &(x[0]));
        }
        {
             V TK, TO, TN, TP;
             {
                V TI, TJ, TL, TM;
                TI = VADD(Tl, Tq);
                TJ = VADD(Tt, Tu);
                TK = VBYI(VMUL(LDK(KP866025403), VSUB(TI, TJ)));
                TO = VBYI(VMUL(LDK(KP866025403), VADD(TJ, TI)));
                TL = VADD(T7, Tf);
                TM = VADD(Tz, TD);
                TN = VSUB(TL, TM);
                TP = VADD(TL, TM);
             }
             ST(&(x[WS(ios, 2)]), VADD(TK, TN), dist, &(x[0]));
             ST(&(x[WS(ios, 8)]), VSUB(TP, TO), dist, &(x[0]));
             ST(&(x[WS(ios, 10)]), VSUB(TN, TK), dist, &(x[0]));
             ST(&(x[WS(ios, 4)]), VADD(TO, TP), 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),
     {TW_NEXT, VL, 0}
};

static const ct_desc desc = { 12, "t1bv_12", twinstr, &GENUS, {55, 26, 4, 0}, 0, 0, 0 };

void X(codelet_t1bv_12) (planner *p) {
     X(kdft_dit_register) (p, t1bv_12, &desc);
}
#endif                        /* HAVE_FMA */

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