Logo Search packages:      
Sourcecode: blender version File versions

q1_2.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 14:16:19 EDT 2006 */

#include "codelet-dft.h"

#ifdef HAVE_FMA

/* Generated by: ../../../genfft/gen_twidsq -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -reload-twiddle -dif -n 2 -name q1_2 -include q.h */

/*
 * This function contains 12 FP additions, 8 FP multiplications,
 * (or, 8 additions, 4 multiplications, 4 fused multiply/add),
 * 21 stack variables, and 16 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_twidsq.ml,v 1.19 2006-02-12 23:34:12 athena Exp $
 */

#include "q.h"

static const R *q1_2(R *rio, R *iio, const R *W, stride is, stride vs, INT m, INT dist)
{
     INT i;
     for (i = m; i > 0; i = i - 1, rio = rio + dist, iio = iio + dist, W = W + 2, MAKE_VOLATILE_STRIDE(is), MAKE_VOLATILE_STRIDE(vs)) {
        E T9, T6, T5;
        {
             E T1, T2, T7, T8, Tb, T4, Tc, Th, Ti, Te, Tj, Td, Tg;
             T1 = rio[0];
             T2 = rio[WS(is, 1)];
             T7 = iio[0];
             T8 = iio[WS(is, 1)];
             Tb = rio[WS(vs, 1)];
             T4 = T1 - T2;
             Tc = rio[WS(vs, 1) + WS(is, 1)];
             T9 = T7 - T8;
             Th = iio[WS(vs, 1)];
             Ti = iio[WS(vs, 1) + WS(is, 1)];
             Te = Tb - Tc;
             rio[0] = T1 + T2;
             iio[0] = T7 + T8;
             Tj = Th - Ti;
             rio[WS(is, 1)] = Tb + Tc;
             iio[WS(is, 1)] = Th + Ti;
             Td = W[0];
             Tg = W[1];
             {
                E T3, Tk, Tf, Ta;
                T3 = W[0];
                T6 = W[1];
                Tk = Td * Tj;
                Tf = Td * Te;
                Ta = T3 * T9;
                T5 = T3 * T4;
                iio[WS(vs, 1) + WS(is, 1)] = FNMS(Tg, Te, Tk);
                rio[WS(vs, 1) + WS(is, 1)] = FMA(Tg, Tj, Tf);
                iio[WS(vs, 1)] = FNMS(T6, T4, Ta);
             }
        }
        rio[WS(vs, 1)] = FMA(T6, T9, T5);
     }
     return W;
}

static const tw_instr twinstr[] = {
     {TW_FULL, 0, 2},
     {TW_NEXT, 1, 0}
};

static const ct_desc desc = { 2, "q1_2", twinstr, &GENUS, {8, 4, 4, 0}, 0, 0, 0 };

void X(codelet_q1_2) (planner *p) {
     X(kdft_difsq_register) (p, q1_2, &desc);
}
#else                   /* HAVE_FMA */

/* Generated by: ../../../genfft/gen_twidsq -compact -variables 4 -pipeline-latency 4 -reload-twiddle -dif -n 2 -name q1_2 -include q.h */

/*
 * This function contains 12 FP additions, 8 FP multiplications,
 * (or, 8 additions, 4 multiplications, 4 fused multiply/add),
 * 17 stack variables, and 16 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_twidsq.ml,v 1.19 2006-02-12 23:34:12 athena Exp $
 */

#include "q.h"

static const R *q1_2(R *rio, R *iio, const R *W, stride is, stride vs, INT m, INT dist)
{
     INT i;
     for (i = m; i > 0; i = i - 1, rio = rio + dist, iio = iio + dist, W = W + 2, MAKE_VOLATILE_STRIDE(is), MAKE_VOLATILE_STRIDE(vs)) {
        E T1, T2, T4, T6, T7, T8, T9, Ta, Tc, Te, Tf, Tg;
        T1 = rio[0];
        T2 = rio[WS(is, 1)];
        T4 = T1 - T2;
        T6 = iio[0];
        T7 = iio[WS(is, 1)];
        T8 = T6 - T7;
        T9 = rio[WS(vs, 1)];
        Ta = rio[WS(vs, 1) + WS(is, 1)];
        Tc = T9 - Ta;
        Te = iio[WS(vs, 1)];
        Tf = iio[WS(vs, 1) + WS(is, 1)];
        Tg = Te - Tf;
        rio[0] = T1 + T2;
        iio[0] = T6 + T7;
        rio[WS(is, 1)] = T9 + Ta;
        iio[WS(is, 1)] = Te + Tf;
        {
             E Tb, Td, T3, T5;
             Tb = W[0];
             Td = W[1];
             rio[WS(vs, 1) + WS(is, 1)] = FMA(Tb, Tc, Td * Tg);
             iio[WS(vs, 1) + WS(is, 1)] = FNMS(Td, Tc, Tb * Tg);
             T3 = W[0];
             T5 = W[1];
             rio[WS(vs, 1)] = FMA(T3, T4, T5 * T8);
             iio[WS(vs, 1)] = FNMS(T5, T4, T3 * T8);
        }
     }
     return W;
}

static const tw_instr twinstr[] = {
     {TW_FULL, 0, 2},
     {TW_NEXT, 1, 0}
};

static const ct_desc desc = { 2, "q1_2", twinstr, &GENUS, {8, 4, 4, 0}, 0, 0, 0 };

void X(codelet_q1_2) (planner *p) {
     X(kdft_difsq_register) (p, q1_2, &desc);
}
#endif                        /* HAVE_FMA */

Generated by  Doxygen 1.6.0   Back to index