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t3bv_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 22:33:15 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 -twiddle-log3 -precompute-twiddles -no-generate-bytw -n 8 -name t3bv_8 -include t3b.h -sign 1 */

/*
 * This function contains 37 FP additions, 32 FP multiplications,
 * (or, 27 additions, 22 multiplications, 10 fused multiply/add),
 * 43 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_c.ml,v 1.14 2006-02-12 23:34:12 athena Exp $
 */

#include "t3b.h"

static const R *t3bv_8(R *ri, R *ii, const R *W, stride ios, INT m, INT dist)
{
     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
     INT i;
     R *x;
     x = ii;
     for (i = m; i > 0; i = i - VL, x = x + (VL * dist), W = W + (TWVL * 6), MAKE_VOLATILE_STRIDE(ios)) {
        V T2, T3, Tb, T1, T5, Tn, Tq, T8, Td, T4, Ta, Tp, Tg, Ti, T9;
        T2 = LDW(&(W[0]));
        T3 = LDW(&(W[TWVL * 2]));
        Tb = LDW(&(W[TWVL * 4]));
        T1 = LD(&(x[0]), dist, &(x[0]));
        T5 = LD(&(x[WS(ios, 4)]), dist, &(x[0]));
        Tn = LD(&(x[WS(ios, 2)]), dist, &(x[0]));
        Tq = LD(&(x[WS(ios, 6)]), dist, &(x[0]));
        T8 = LD(&(x[WS(ios, 1)]), dist, &(x[WS(ios, 1)]));
        Td = LD(&(x[WS(ios, 5)]), dist, &(x[WS(ios, 1)]));
        T4 = VZMUL(T2, T3);
        Ta = VZMULJ(T2, T3);
        Tp = VZMULJ(T2, Tb);
        Tg = LD(&(x[WS(ios, 7)]), dist, &(x[WS(ios, 1)]));
        Ti = LD(&(x[WS(ios, 3)]), dist, &(x[WS(ios, 1)]));
        T9 = VZMUL(T2, T8);
        {
             V T6, To, Tc, Tr, Th, Tj;
             T6 = VZMUL(T4, T5);
             To = VZMUL(Ta, Tn);
             Tc = VZMULJ(Ta, Tb);
             Tr = VZMUL(Tp, Tq);
             Th = VZMUL(Tb, Tg);
             Tj = VZMUL(T3, Ti);
             {
                V Tx, T7, Te, Ts, Ty, Tk, TB;
                Tx = VADD(T1, T6);
                T7 = VSUB(T1, T6);
                Te = VZMUL(Tc, Td);
                Ts = VSUB(To, Tr);
                Ty = VADD(To, Tr);
                Tk = VSUB(Th, Tj);
                TB = VADD(Th, Tj);
                {
                   V Tf, TA, Tz, TD;
                   Tf = VSUB(T9, Te);
                   TA = VADD(T9, Te);
                   Tz = VSUB(Tx, Ty);
                   TD = VADD(Tx, Ty);
                   {
                        V TC, TE, Tl, Tt;
                        TC = VSUB(TA, TB);
                        TE = VADD(TA, TB);
                        Tl = VADD(Tf, Tk);
                        Tt = VSUB(Tf, Tk);
                        {
                           V Tu, Tw, Tm, Tv;
                           ST(&(x[0]), VADD(TD, TE), dist, &(x[0]));
                           ST(&(x[WS(ios, 4)]), VSUB(TD, TE), dist, &(x[0]));
                           ST(&(x[WS(ios, 2)]), VFMAI(TC, Tz), dist, &(x[0]));
                           ST(&(x[WS(ios, 6)]), VFNMSI(TC, Tz), dist, &(x[0]));
                           Tu = VFNMS(LDK(KP707106781), Tt, Ts);
                           Tw = VFMA(LDK(KP707106781), Tt, Ts);
                           Tm = VFNMS(LDK(KP707106781), Tl, T7);
                           Tv = VFMA(LDK(KP707106781), Tl, T7);
                           ST(&(x[WS(ios, 1)]), VFMAI(Tw, Tv), dist, &(x[WS(ios, 1)]));
                           ST(&(x[WS(ios, 7)]), VFNMSI(Tw, Tv), dist, &(x[WS(ios, 1)]));
                           ST(&(x[WS(ios, 5)]), VFMAI(Tu, Tm), dist, &(x[WS(ios, 1)]));
                           ST(&(x[WS(ios, 3)]), VFNMSI(Tu, Tm), dist, &(x[WS(ios, 1)]));
                        }
                   }
                }
             }
        }
     }
     return W;
}

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

static const ct_desc desc = { 8, "t3bv_8", twinstr, &GENUS, {27, 22, 10, 0}, 0, 0, 0 };

void X(codelet_t3bv_8) (planner *p) {
     X(kdft_dit_register) (p, t3bv_8, &desc);
}
#else                   /* HAVE_FMA */

/* Generated by: ../../../genfft/gen_twiddle_c -simd -compact -variables 4 -pipeline-latency 8 -twiddle-log3 -precompute-twiddles -no-generate-bytw -n 8 -name t3bv_8 -include t3b.h -sign 1 */

/*
 * This function contains 37 FP additions, 24 FP multiplications,
 * (or, 37 additions, 24 multiplications, 0 fused multiply/add),
 * 31 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_c.ml,v 1.14 2006-02-12 23:34:12 athena Exp $
 */

#include "t3b.h"

static const R *t3bv_8(R *ri, R *ii, const R *W, stride ios, INT m, INT dist)
{
     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
     INT i;
     R *x;
     x = ii;
     for (i = m; i > 0; i = i - VL, x = x + (VL * dist), W = W + (TWVL * 6), MAKE_VOLATILE_STRIDE(ios)) {
        V T1, T4, T5, Tp, T6, T7, Tj;
        T1 = LDW(&(W[0]));
        T4 = LDW(&(W[TWVL * 2]));
        T5 = VZMULJ(T1, T4);
        Tp = VZMUL(T1, T4);
        T6 = LDW(&(W[TWVL * 4]));
        T7 = VZMULJ(T5, T6);
        Tj = VZMULJ(T1, T6);
        {
             V Ts, Tx, Tm, Ty, Ta, TA, Tf, TB, To, Tr, Tq;
             To = LD(&(x[0]), dist, &(x[0]));
             Tq = LD(&(x[WS(ios, 4)]), dist, &(x[0]));
             Tr = VZMUL(Tp, Tq);
             Ts = VSUB(To, Tr);
             Tx = VADD(To, Tr);
             {
                V Ti, Tl, Th, Tk;
                Th = LD(&(x[WS(ios, 2)]), dist, &(x[0]));
                Ti = VZMUL(T5, Th);
                Tk = LD(&(x[WS(ios, 6)]), dist, &(x[0]));
                Tl = VZMUL(Tj, Tk);
                Tm = VSUB(Ti, Tl);
                Ty = VADD(Ti, Tl);
             }
             {
                V T3, T9, T2, T8;
                T2 = LD(&(x[WS(ios, 1)]), dist, &(x[WS(ios, 1)]));
                T3 = VZMUL(T1, T2);
                T8 = LD(&(x[WS(ios, 5)]), dist, &(x[WS(ios, 1)]));
                T9 = VZMUL(T7, T8);
                Ta = VSUB(T3, T9);
                TA = VADD(T3, T9);
             }
             {
                V Tc, Te, Tb, Td;
                Tb = LD(&(x[WS(ios, 7)]), dist, &(x[WS(ios, 1)]));
                Tc = VZMUL(T6, Tb);
                Td = LD(&(x[WS(ios, 3)]), dist, &(x[WS(ios, 1)]));
                Te = VZMUL(T4, Td);
                Tf = VSUB(Tc, Te);
                TB = VADD(Tc, Te);
             }
             {
                V Tz, TC, TD, TE;
                Tz = VSUB(Tx, Ty);
                TC = VBYI(VSUB(TA, TB));
                ST(&(x[WS(ios, 6)]), VSUB(Tz, TC), dist, &(x[0]));
                ST(&(x[WS(ios, 2)]), VADD(Tz, TC), dist, &(x[0]));
                TD = VADD(Tx, Ty);
                TE = VADD(TA, TB);
                ST(&(x[WS(ios, 4)]), VSUB(TD, TE), dist, &(x[0]));
                ST(&(x[0]), VADD(TD, TE), dist, &(x[0]));
                {
                   V Tn, Tv, Tu, Tw, Tg, Tt;
                   Tg = VMUL(LDK(KP707106781), VSUB(Ta, Tf));
                   Tn = VBYI(VSUB(Tg, Tm));
                   Tv = VBYI(VADD(Tm, Tg));
                   Tt = VMUL(LDK(KP707106781), VADD(Ta, Tf));
                   Tu = VSUB(Ts, Tt);
                   Tw = VADD(Ts, Tt);
                   ST(&(x[WS(ios, 3)]), VADD(Tn, Tu), dist, &(x[WS(ios, 1)]));
                   ST(&(x[WS(ios, 7)]), VSUB(Tw, Tv), dist, &(x[WS(ios, 1)]));
                   ST(&(x[WS(ios, 5)]), VSUB(Tu, Tn), dist, &(x[WS(ios, 1)]));
                   ST(&(x[WS(ios, 1)]), VADD(Tv, Tw), dist, &(x[WS(ios, 1)]));
                }
             }
        }
     }
     return W;
}

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

static const ct_desc desc = { 8, "t3bv_8", twinstr, &GENUS, {37, 24, 0, 0}, 0, 0, 0 };

void X(codelet_t3bv_8) (planner *p) {
     X(kdft_dit_register) (p, t3bv_8, &desc);
}
#endif                        /* HAVE_FMA */

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