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t1bv_6.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 14:59:10 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 6 -name t1bv_6 -include t1b.h -sign 1 */

/*
 * This function contains 23 FP additions, 18 FP multiplications,
 * (or, 17 additions, 12 multiplications, 6 fused multiply/add),
 * 27 stack variables, and 12 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_6(R *ri, R *ii, const R *W, stride ios, INT m, INT dist)
{
     DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
     DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
     INT i;
     R *x;
     x = ii;
     for (i = m; i > 0; i = i - VL, x = x + (VL * dist), W = W + (TWVL * 10), MAKE_VOLATILE_STRIDE(ios)) {
        V T1, T2, Ta, Tc, T5, T7;
        T1 = LD(&(x[0]), dist, &(x[0]));
        T2 = LD(&(x[WS(ios, 3)]), dist, &(x[WS(ios, 1)]));
        Ta = LD(&(x[WS(ios, 4)]), dist, &(x[0]));
        Tc = LD(&(x[WS(ios, 1)]), dist, &(x[WS(ios, 1)]));
        T5 = LD(&(x[WS(ios, 2)]), dist, &(x[0]));
        T7 = LD(&(x[WS(ios, 5)]), dist, &(x[WS(ios, 1)]));
        {
             V T3, Tb, Td, T6, T8;
             T3 = BYTW(&(W[TWVL * 4]), T2);
             Tb = BYTW(&(W[TWVL * 6]), Ta);
             Td = BYTW(&(W[0]), Tc);
             T6 = BYTW(&(W[TWVL * 2]), T5);
             T8 = BYTW(&(W[TWVL * 8]), T7);
             {
                V Ti, T4, Tk, Te, Tj, T9;
                Ti = VADD(T1, T3);
                T4 = VSUB(T1, T3);
                Tk = VADD(Tb, Td);
                Te = VSUB(Tb, Td);
                Tj = VADD(T6, T8);
                T9 = VSUB(T6, T8);
                {
                   V Tl, Tn, Tf, Th, Tm, Tg;
                   Tl = VADD(Tj, Tk);
                   Tn = VMUL(LDK(KP866025403), VSUB(Tj, Tk));
                   Tf = VADD(T9, Te);
                   Th = VMUL(LDK(KP866025403), VSUB(T9, Te));
                   ST(&(x[0]), VADD(Ti, Tl), dist, &(x[0]));
                   Tm = VFNMS(LDK(KP500000000), Tl, Ti);
                   ST(&(x[WS(ios, 3)]), VADD(T4, Tf), dist, &(x[WS(ios, 1)]));
                   Tg = VFNMS(LDK(KP500000000), Tf, T4);
                   ST(&(x[WS(ios, 4)]), VFMAI(Tn, Tm), dist, &(x[0]));
                   ST(&(x[WS(ios, 2)]), VFNMSI(Tn, Tm), dist, &(x[0]));
                   ST(&(x[WS(ios, 5)]), VFNMSI(Th, Tg), dist, &(x[WS(ios, 1)]));
                   ST(&(x[WS(ios, 1)]), VFMAI(Th, Tg), dist, &(x[WS(ios, 1)]));
                }
             }
        }
     }
     return W;
}

static const tw_instr twinstr[] = {
     VTW(1),
     VTW(2),
     VTW(3),
     VTW(4),
     VTW(5),
     {TW_NEXT, VL, 0}
};

static const ct_desc desc = { 6, "t1bv_6", twinstr, &GENUS, {17, 12, 6, 0}, 0, 0, 0 };

void X(codelet_t1bv_6) (planner *p) {
     X(kdft_dit_register) (p, t1bv_6, &desc);
}
#else                   /* HAVE_FMA */

/* Generated by: ../../../genfft/gen_twiddle_c -simd -compact -variables 4 -pipeline-latency 8 -n 6 -name t1bv_6 -include t1b.h -sign 1 */

/*
 * This function contains 23 FP additions, 14 FP multiplications,
 * (or, 21 additions, 12 multiplications, 2 fused multiply/add),
 * 19 stack variables, and 12 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_6(R *ri, R *ii, const R *W, stride ios, INT m, INT dist)
{
     DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
     DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
     INT i;
     R *x;
     x = ii;
     for (i = m; i > 0; i = i - VL, x = x + (VL * dist), W = W + (TWVL * 10), MAKE_VOLATILE_STRIDE(ios)) {
        V Tf, Ti, Ta, Tk, T5, Tj, Tc, Te, Td;
        Tc = LD(&(x[0]), dist, &(x[0]));
        Td = LD(&(x[WS(ios, 3)]), dist, &(x[WS(ios, 1)]));
        Te = BYTW(&(W[TWVL * 4]), Td);
        Tf = VSUB(Tc, Te);
        Ti = VADD(Tc, Te);
        {
             V T7, T9, T6, T8;
             T6 = LD(&(x[WS(ios, 4)]), dist, &(x[0]));
             T7 = BYTW(&(W[TWVL * 6]), T6);
             T8 = LD(&(x[WS(ios, 1)]), dist, &(x[WS(ios, 1)]));
             T9 = BYTW(&(W[0]), T8);
             Ta = VSUB(T7, T9);
             Tk = VADD(T7, T9);
        }
        {
             V T2, T4, T1, T3;
             T1 = LD(&(x[WS(ios, 2)]), dist, &(x[0]));
             T2 = BYTW(&(W[TWVL * 2]), T1);
             T3 = LD(&(x[WS(ios, 5)]), dist, &(x[WS(ios, 1)]));
             T4 = BYTW(&(W[TWVL * 8]), T3);
             T5 = VSUB(T2, T4);
             Tj = VADD(T2, T4);
        }
        {
             V Tb, Tg, Th, Tn, Tl, Tm;
             Tb = VBYI(VMUL(LDK(KP866025403), VSUB(T5, Ta)));
             Tg = VADD(T5, Ta);
             Th = VFNMS(LDK(KP500000000), Tg, Tf);
             ST(&(x[WS(ios, 1)]), VADD(Tb, Th), dist, &(x[WS(ios, 1)]));
             ST(&(x[WS(ios, 3)]), VADD(Tf, Tg), dist, &(x[WS(ios, 1)]));
             ST(&(x[WS(ios, 5)]), VSUB(Th, Tb), dist, &(x[WS(ios, 1)]));
             Tn = VBYI(VMUL(LDK(KP866025403), VSUB(Tj, Tk)));
             Tl = VADD(Tj, Tk);
             Tm = VFNMS(LDK(KP500000000), Tl, Ti);
             ST(&(x[WS(ios, 2)]), VSUB(Tm, Tn), dist, &(x[0]));
             ST(&(x[0]), VADD(Ti, Tl), dist, &(x[0]));
             ST(&(x[WS(ios, 4)]), VADD(Tn, Tm), dist, &(x[0]));
        }
     }
     return W;
}

static const tw_instr twinstr[] = {
     VTW(1),
     VTW(2),
     VTW(3),
     VTW(4),
     VTW(5),
     {TW_NEXT, VL, 0}
};

static const ct_desc desc = { 6, "t1bv_6", twinstr, &GENUS, {21, 12, 2, 0}, 0, 0, 0 };

void X(codelet_t1bv_6) (planner *p) {
     X(kdft_dit_register) (p, t1bv_6, &desc);
}
#endif                        /* HAVE_FMA */

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