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n1fv_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 14:24:44 EDT 2006 */

#include "codelet-dft.h"

#ifdef HAVE_FMA

/* Generated by: ../../../genfft/gen_notw_c -fma -reorder-insns -schedule-for-pipeline -simd -compact -variables 4 -pipeline-latency 8 -n 8 -name n1fv_8 -include n1f.h */

/*
 * This function contains 26 FP additions, 10 FP multiplications,
 * (or, 16 additions, 0 multiplications, 10 fused multiply/add),
 * 30 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_notw_c.ml,v 1.17 2006-02-12 23:34:12 athena Exp $
 */

#include "n1f.h"

static void n1fv_8(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
     INT i;
     const R *xi;
     R *xo;
     xi = ri;
     xo = ro;
     for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(is), MAKE_VOLATILE_STRIDE(os)) {
        V T1, T2, Tc, Td, T4, T5, T7, T8;
        T1 = LD(&(xi[0]), ivs, &(xi[0]));
        T2 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
        Tc = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
        Td = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
        T4 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
        T5 = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
        T7 = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
        T8 = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
        {
             V T3, Tj, Te, Tk, T6, Tm, T9, Tn, Tp, Tl;
             T3 = VSUB(T1, T2);
             Tj = VADD(T1, T2);
             Te = VSUB(Tc, Td);
             Tk = VADD(Tc, Td);
             T6 = VSUB(T4, T5);
             Tm = VADD(T4, T5);
             T9 = VSUB(T7, T8);
             Tn = VADD(T7, T8);
             Tp = VSUB(Tj, Tk);
             Tl = VADD(Tj, Tk);
             {
                V Tq, To, Ta, Tf;
                Tq = VSUB(Tn, Tm);
                To = VADD(Tm, Tn);
                Ta = VADD(T6, T9);
                Tf = VSUB(T9, T6);
                {
                   V Tg, Ti, Tb, Th;
                   ST(&(xo[0]), VADD(Tl, To), ovs, &(xo[0]));
                   ST(&(xo[WS(os, 4)]), VSUB(Tl, To), ovs, &(xo[0]));
                   ST(&(xo[WS(os, 2)]), VFMAI(Tq, Tp), ovs, &(xo[0]));
                   ST(&(xo[WS(os, 6)]), VFNMSI(Tq, Tp), ovs, &(xo[0]));
                   Tg = VFNMS(LDK(KP707106781), Tf, Te);
                   Ti = VFMA(LDK(KP707106781), Tf, Te);
                   Tb = VFMA(LDK(KP707106781), Ta, T3);
                   Th = VFNMS(LDK(KP707106781), Ta, T3);
                   ST(&(xo[WS(os, 3)]), VFMAI(Ti, Th), ovs, &(xo[WS(os, 1)]));
                   ST(&(xo[WS(os, 5)]), VFNMSI(Ti, Th), ovs, &(xo[WS(os, 1)]));
                   ST(&(xo[WS(os, 7)]), VFMAI(Tg, Tb), ovs, &(xo[WS(os, 1)]));
                   ST(&(xo[WS(os, 1)]), VFNMSI(Tg, Tb), ovs, &(xo[WS(os, 1)]));
                }
             }
        }
     }
}

static const kdft_desc desc = { 8, "n1fv_8", {16, 0, 10, 0}, &GENUS, 0, 0, 0, 0 };
void X(codelet_n1fv_8) (planner *p) {
     X(kdft_register) (p, n1fv_8, &desc);
}

#else                   /* HAVE_FMA */

/* Generated by: ../../../genfft/gen_notw_c -simd -compact -variables 4 -pipeline-latency 8 -n 8 -name n1fv_8 -include n1f.h */

/*
 * This function contains 26 FP additions, 2 FP multiplications,
 * (or, 26 additions, 2 multiplications, 0 fused multiply/add),
 * 22 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_notw_c.ml,v 1.17 2006-02-12 23:34:12 athena Exp $
 */

#include "n1f.h"

static void n1fv_8(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
     DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
     INT i;
     const R *xi;
     R *xo;
     xi = ri;
     xo = ro;
     for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(is), MAKE_VOLATILE_STRIDE(os)) {
        V T3, Tj, Tf, Tk, Ta, Tn, Tc, Tm;
        {
             V T1, T2, Td, Te;
             T1 = LD(&(xi[0]), ivs, &(xi[0]));
             T2 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
             T3 = VSUB(T1, T2);
             Tj = VADD(T1, T2);
             Td = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
             Te = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
             Tf = VSUB(Td, Te);
             Tk = VADD(Td, Te);
             {
                V T4, T5, T6, T7, T8, T9;
                T4 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
                T5 = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
                T6 = VSUB(T4, T5);
                T7 = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
                T8 = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
                T9 = VSUB(T7, T8);
                Ta = VMUL(LDK(KP707106781), VADD(T6, T9));
                Tn = VADD(T7, T8);
                Tc = VMUL(LDK(KP707106781), VSUB(T9, T6));
                Tm = VADD(T4, T5);
             }
        }
        {
             V Tb, Tg, Tp, Tq;
             Tb = VADD(T3, Ta);
             Tg = VBYI(VSUB(Tc, Tf));
             ST(&(xo[WS(os, 7)]), VSUB(Tb, Tg), ovs, &(xo[WS(os, 1)]));
             ST(&(xo[WS(os, 1)]), VADD(Tb, Tg), ovs, &(xo[WS(os, 1)]));
             Tp = VSUB(Tj, Tk);
             Tq = VBYI(VSUB(Tn, Tm));
             ST(&(xo[WS(os, 6)]), VSUB(Tp, Tq), ovs, &(xo[0]));
             ST(&(xo[WS(os, 2)]), VADD(Tp, Tq), ovs, &(xo[0]));
        }
        {
             V Th, Ti, Tl, To;
             Th = VSUB(T3, Ta);
             Ti = VBYI(VADD(Tf, Tc));
             ST(&(xo[WS(os, 5)]), VSUB(Th, Ti), ovs, &(xo[WS(os, 1)]));
             ST(&(xo[WS(os, 3)]), VADD(Th, Ti), ovs, &(xo[WS(os, 1)]));
             Tl = VADD(Tj, Tk);
             To = VADD(Tm, Tn);
             ST(&(xo[WS(os, 4)]), VSUB(Tl, To), ovs, &(xo[0]));
             ST(&(xo[0]), VADD(Tl, To), ovs, &(xo[0]));
        }
     }
}

static const kdft_desc desc = { 8, "n1fv_8", {26, 2, 0, 0}, &GENUS, 0, 0, 0, 0 };
void X(codelet_n1fv_8) (planner *p) {
     X(kdft_register) (p, n1fv_8, &desc);
}

#endif                        /* HAVE_FMA */

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