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t1bv_5.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 14:59:09 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 5 -name t1bv_5 -include t1b.h -sign 1 */

/*
 * This function contains 20 FP additions, 19 FP multiplications,
 * (or, 11 additions, 10 multiplications, 9 fused multiply/add),
 * 26 stack variables, and 10 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_5(R *ri, R *ii, const R *W, stride ios, INT m, INT dist)
{
     DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
     DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
     DVK(KP618033988, +0.618033988749894848204586834365638117720309180);
     DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
     INT i;
     R *x;
     x = ii;
     for (i = m; i > 0; i = i - VL, x = x + (VL * dist), W = W + (TWVL * 8), MAKE_VOLATILE_STRIDE(ios)) {
        V T1, T2, T9, T4, T7;
        T1 = LD(&(x[0]), dist, &(x[0]));
        T2 = LD(&(x[WS(ios, 1)]), dist, &(x[WS(ios, 1)]));
        T9 = LD(&(x[WS(ios, 3)]), dist, &(x[WS(ios, 1)]));
        T4 = LD(&(x[WS(ios, 4)]), dist, &(x[0]));
        T7 = LD(&(x[WS(ios, 2)]), dist, &(x[0]));
        {
             V T3, Ta, T5, T8;
             T3 = BYTW(&(W[0]), T2);
             Ta = BYTW(&(W[TWVL * 4]), T9);
             T5 = BYTW(&(W[TWVL * 6]), T4);
             T8 = BYTW(&(W[TWVL * 2]), T7);
             {
                V T6, Tg, Tb, Th;
                T6 = VADD(T3, T5);
                Tg = VSUB(T3, T5);
                Tb = VADD(T8, Ta);
                Th = VSUB(T8, Ta);
                {
                   V Te, Tc, Tk, Ti, Td, Tj, Tf;
                   Te = VSUB(T6, Tb);
                   Tc = VADD(T6, Tb);
                   Tk = VMUL(LDK(KP951056516), VFNMS(LDK(KP618033988), Tg, Th));
                   Ti = VMUL(LDK(KP951056516), VFMA(LDK(KP618033988), Th, Tg));
                   Td = VFNMS(LDK(KP250000000), Tc, T1);
                   ST(&(x[0]), VADD(T1, Tc), dist, &(x[0]));
                   Tj = VFNMS(LDK(KP559016994), Te, Td);
                   Tf = VFMA(LDK(KP559016994), Te, Td);
                   ST(&(x[WS(ios, 2)]), VFNMSI(Tk, Tj), dist, &(x[0]));
                   ST(&(x[WS(ios, 3)]), VFMAI(Tk, Tj), dist, &(x[WS(ios, 1)]));
                   ST(&(x[WS(ios, 4)]), VFNMSI(Ti, Tf), dist, &(x[0]));
                   ST(&(x[WS(ios, 1)]), VFMAI(Ti, Tf), dist, &(x[WS(ios, 1)]));
                }
             }
        }
     }
     return W;
}

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

static const ct_desc desc = { 5, "t1bv_5", twinstr, &GENUS, {11, 10, 9, 0}, 0, 0, 0 };

void X(codelet_t1bv_5) (planner *p) {
     X(kdft_dit_register) (p, t1bv_5, &desc);
}
#else                   /* HAVE_FMA */

/* Generated by: ../../../genfft/gen_twiddle_c -simd -compact -variables 4 -pipeline-latency 8 -n 5 -name t1bv_5 -include t1b.h -sign 1 */

/*
 * This function contains 20 FP additions, 14 FP multiplications,
 * (or, 17 additions, 11 multiplications, 3 fused multiply/add),
 * 20 stack variables, and 10 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_5(R *ri, R *ii, const R *W, stride ios, INT m, INT dist)
{
     DVK(KP250000000, +0.250000000000000000000000000000000000000000000);
     DVK(KP559016994, +0.559016994374947424102293417182819058860154590);
     DVK(KP587785252, +0.587785252292473129168705954639072768597652438);
     DVK(KP951056516, +0.951056516295153572116439333379382143405698634);
     INT i;
     R *x;
     x = ii;
     for (i = m; i > 0; i = i - VL, x = x + (VL * dist), W = W + (TWVL * 8), MAKE_VOLATILE_STRIDE(ios)) {
        V Tf, T5, Ta, Tc, Td, Tg;
        Tf = LD(&(x[0]), dist, &(x[0]));
        {
             V T2, T9, T4, T7;
             {
                V T1, T8, T3, T6;
                T1 = LD(&(x[WS(ios, 1)]), dist, &(x[WS(ios, 1)]));
                T2 = BYTW(&(W[0]), T1);
                T8 = LD(&(x[WS(ios, 3)]), dist, &(x[WS(ios, 1)]));
                T9 = BYTW(&(W[TWVL * 4]), T8);
                T3 = LD(&(x[WS(ios, 4)]), dist, &(x[0]));
                T4 = BYTW(&(W[TWVL * 6]), T3);
                T6 = LD(&(x[WS(ios, 2)]), dist, &(x[0]));
                T7 = BYTW(&(W[TWVL * 2]), T6);
             }
             T5 = VSUB(T2, T4);
             Ta = VSUB(T7, T9);
             Tc = VADD(T2, T4);
             Td = VADD(T7, T9);
             Tg = VADD(Tc, Td);
        }
        ST(&(x[0]), VADD(Tf, Tg), dist, &(x[0]));
        {
             V Tb, Tj, Ti, Tk, Te, Th;
             Tb = VBYI(VFMA(LDK(KP951056516), T5, VMUL(LDK(KP587785252), Ta)));
             Tj = VBYI(VFNMS(LDK(KP951056516), Ta, VMUL(LDK(KP587785252), T5)));
             Te = VMUL(LDK(KP559016994), VSUB(Tc, Td));
             Th = VFNMS(LDK(KP250000000), Tg, Tf);
             Ti = VADD(Te, Th);
             Tk = VSUB(Th, Te);
             ST(&(x[WS(ios, 1)]), VADD(Tb, Ti), dist, &(x[WS(ios, 1)]));
             ST(&(x[WS(ios, 3)]), VSUB(Tk, Tj), dist, &(x[WS(ios, 1)]));
             ST(&(x[WS(ios, 4)]), VSUB(Ti, Tb), dist, &(x[0]));
             ST(&(x[WS(ios, 2)]), VADD(Tj, Tk), dist, &(x[0]));
        }
     }
     return W;
}

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

static const ct_desc desc = { 5, "t1bv_5", twinstr, &GENUS, {17, 11, 3, 0}, 0, 0, 0 };

void X(codelet_t1bv_5) (planner *p) {
     X(kdft_dit_register) (p, t1bv_5, &desc);
}
#endif                        /* HAVE_FMA */

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