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t1sv_4.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 22:33:29 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 -n 4 -name t1sv_4 -include ts.h */

/*
 * This function contains 22 FP additions, 12 FP multiplications,
 * (or, 16 additions, 6 multiplications, 6 fused multiply/add),
 * 35 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_twiddle.ml,v 1.24 2006-02-12 23:34:12 athena Exp $
 */

#include "ts.h"

static const R *t1sv_4(R *ri, R *ii, const R *W, stride ios, INT m, INT dist)
{
     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 T1, Tv, T3, T6, T5, Ta, Td, Tc, Tg, Tj, Tt, T4, Tf, Ti, Tn;
        V Tb, T2, T9;
        T1 = LD(&(ri[0]), dist, &(ri[0]));
        Tv = LD(&(ii[0]), dist, &(ii[0]));
        T3 = LD(&(ri[WS(ios, 2)]), dist, &(ri[0]));
        T6 = LD(&(ii[WS(ios, 2)]), dist, &(ii[0]));
        T2 = LDW(&(W[TWVL * 2]));
        T5 = LDW(&(W[TWVL * 3]));
        Ta = LD(&(ri[WS(ios, 1)]), dist, &(ri[WS(ios, 1)]));
        Td = LD(&(ii[WS(ios, 1)]), dist, &(ii[WS(ios, 1)]));
        T9 = LDW(&(W[0]));
        Tc = LDW(&(W[TWVL * 1]));
        Tg = LD(&(ri[WS(ios, 3)]), dist, &(ri[WS(ios, 1)]));
        Tj = LD(&(ii[WS(ios, 3)]), dist, &(ii[WS(ios, 1)]));
        Tt = VMUL(T2, T6);
        T4 = VMUL(T2, T3);
        Tf = LDW(&(W[TWVL * 4]));
        Ti = LDW(&(W[TWVL * 5]));
        Tn = VMUL(T9, Td);
        Tb = VMUL(T9, Ta);
        {
             V Tu, T7, Tp, Th, To, Te;
             Tu = VFNMS(T5, T3, Tt);
             T7 = VFMA(T5, T6, T4);
             Tp = VMUL(Tf, Tj);
             Th = VMUL(Tf, Tg);
             To = VFNMS(Tc, Ta, Tn);
             Te = VFMA(Tc, Td, Tb);
             {
                V Tw, Tx, T8, Tm, Tq, Tk;
                Tw = VADD(Tu, Tv);
                Tx = VSUB(Tv, Tu);
                T8 = VADD(T1, T7);
                Tm = VSUB(T1, T7);
                Tq = VFNMS(Ti, Tg, Tp);
                Tk = VFMA(Ti, Tj, Th);
                {
                   V Ts, Tr, Tl, Ty;
                   Ts = VADD(To, Tq);
                   Tr = VSUB(To, Tq);
                   Tl = VADD(Te, Tk);
                   Ty = VSUB(Te, Tk);
                   ST(&(ri[WS(ios, 1)]), VADD(Tm, Tr), dist, &(ri[WS(ios, 1)]));
                   ST(&(ri[WS(ios, 3)]), VSUB(Tm, Tr), dist, &(ri[WS(ios, 1)]));
                   ST(&(ii[WS(ios, 2)]), VSUB(Tw, Ts), dist, &(ii[0]));
                   ST(&(ii[0]), VADD(Ts, Tw), dist, &(ii[0]));
                   ST(&(ii[WS(ios, 3)]), VADD(Ty, Tx), dist, &(ii[WS(ios, 1)]));
                   ST(&(ii[WS(ios, 1)]), VSUB(Tx, Ty), dist, &(ii[WS(ios, 1)]));
                   ST(&(ri[0]), VADD(T8, Tl), dist, &(ri[0]));
                   ST(&(ri[WS(ios, 2)]), VSUB(T8, Tl), dist, &(ri[0]));
                }
             }
        }
     }
     return W;
}

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

static const ct_desc desc = { 4, "t1sv_4", twinstr, &GENUS, {16, 6, 6, 0}, 0, 0, 0 };

void X(codelet_t1sv_4) (planner *p) {
     X(kdft_dit_register) (p, t1sv_4, &desc);
}
#else                   /* HAVE_FMA */

/* Generated by: ../../../genfft/gen_twiddle -simd -compact -variables 4 -pipeline-latency 8 -n 4 -name t1sv_4 -include ts.h */

/*
 * This function contains 22 FP additions, 12 FP multiplications,
 * (or, 16 additions, 6 multiplications, 6 fused multiply/add),
 * 13 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_twiddle.ml,v 1.24 2006-02-12 23:34:12 athena Exp $
 */

#include "ts.h"

static const R *t1sv_4(R *ri, R *ii, const R *W, stride ios, INT m, INT dist)
{
     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 T1, Tp, T6, To, Tc, Tk, Th, Tl;
        T1 = LD(&(ri[0]), dist, &(ri[0]));
        Tp = LD(&(ii[0]), dist, &(ii[0]));
        {
             V T3, T5, T2, T4;
             T3 = LD(&(ri[WS(ios, 2)]), dist, &(ri[0]));
             T5 = LD(&(ii[WS(ios, 2)]), dist, &(ii[0]));
             T2 = LDW(&(W[TWVL * 2]));
             T4 = LDW(&(W[TWVL * 3]));
             T6 = VFMA(T2, T3, VMUL(T4, T5));
             To = VFNMS(T4, T3, VMUL(T2, T5));
        }
        {
             V T9, Tb, T8, Ta;
             T9 = LD(&(ri[WS(ios, 1)]), dist, &(ri[WS(ios, 1)]));
             Tb = LD(&(ii[WS(ios, 1)]), dist, &(ii[WS(ios, 1)]));
             T8 = LDW(&(W[0]));
             Ta = LDW(&(W[TWVL * 1]));
             Tc = VFMA(T8, T9, VMUL(Ta, Tb));
             Tk = VFNMS(Ta, T9, VMUL(T8, Tb));
        }
        {
             V Te, Tg, Td, Tf;
             Te = LD(&(ri[WS(ios, 3)]), dist, &(ri[WS(ios, 1)]));
             Tg = LD(&(ii[WS(ios, 3)]), dist, &(ii[WS(ios, 1)]));
             Td = LDW(&(W[TWVL * 4]));
             Tf = LDW(&(W[TWVL * 5]));
             Th = VFMA(Td, Te, VMUL(Tf, Tg));
             Tl = VFNMS(Tf, Te, VMUL(Td, Tg));
        }
        {
             V T7, Ti, Tn, Tq;
             T7 = VADD(T1, T6);
             Ti = VADD(Tc, Th);
             ST(&(ri[WS(ios, 2)]), VSUB(T7, Ti), dist, &(ri[0]));
             ST(&(ri[0]), VADD(T7, Ti), dist, &(ri[0]));
             Tn = VADD(Tk, Tl);
             Tq = VADD(To, Tp);
             ST(&(ii[0]), VADD(Tn, Tq), dist, &(ii[0]));
             ST(&(ii[WS(ios, 2)]), VSUB(Tq, Tn), dist, &(ii[0]));
        }
        {
             V Tj, Tm, Tr, Ts;
             Tj = VSUB(T1, T6);
             Tm = VSUB(Tk, Tl);
             ST(&(ri[WS(ios, 3)]), VSUB(Tj, Tm), dist, &(ri[WS(ios, 1)]));
             ST(&(ri[WS(ios, 1)]), VADD(Tj, Tm), dist, &(ri[WS(ios, 1)]));
             Tr = VSUB(Tp, To);
             Ts = VSUB(Tc, Th);
             ST(&(ii[WS(ios, 1)]), VSUB(Tr, Ts), dist, &(ii[WS(ios, 1)]));
             ST(&(ii[WS(ios, 3)]), VADD(Ts, Tr), dist, &(ii[WS(ios, 1)]));
        }
     }
     return W;
}

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

static const ct_desc desc = { 4, "t1sv_4", twinstr, &GENUS, {16, 6, 6, 0}, 0, 0, 0 };

void X(codelet_t1sv_4) (planner *p) {
     X(kdft_dit_register) (p, t1sv_4, &desc);
}
#endif                        /* HAVE_FMA */

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