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n2bv_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 14:37:17 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 -sign 1 -n 6 -name n2bv_6 -with-ostride 2 -include n2b.h -store-multiple 2 */

/*
 * This function contains 18 FP additions, 8 FP multiplications,
 * (or, 12 additions, 2 multiplications, 6 fused multiply/add),
 * 29 stack variables, and 15 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 "n2b.h"

static void n2bv_6(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
     DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
     DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
     INT i;
     const R *xi;
     R *xo;
     xi = ii;
     xo = io;
     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, T4, T5, T7, T8;
        T1 = LD(&(xi[0]), ivs, &(xi[0]));
        T2 = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
        T4 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
        T5 = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
        T7 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
        T8 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
        {
             V T3, Td, T6, Te, T9, Tf;
             T3 = VSUB(T1, T2);
             Td = VADD(T1, T2);
             T6 = VSUB(T4, T5);
             Te = VADD(T4, T5);
             T9 = VSUB(T7, T8);
             Tf = VADD(T7, T8);
             {
                V Tg, Ti, Ta, Tc;
                Tg = VADD(Te, Tf);
                Ti = VMUL(LDK(KP866025403), VSUB(Te, Tf));
                Ta = VADD(T6, T9);
                Tc = VMUL(LDK(KP866025403), VSUB(T6, T9));
                {
                   V Th, Tj, Tb, Tk;
                   Th = VFNMS(LDK(KP500000000), Tg, Td);
                   Tj = VADD(Td, Tg);
                   STM2(&(xo[0]), Tj, ovs, &(xo[0]));
                   Tb = VFNMS(LDK(KP500000000), Ta, T3);
                   Tk = VADD(T3, Ta);
                   STM2(&(xo[6]), Tk, ovs, &(xo[2]));
                   {
                        V Tl, Tm, Tn, To;
                        Tl = VFMAI(Ti, Th);
                        STM2(&(xo[8]), Tl, ovs, &(xo[0]));
                        Tm = VFNMSI(Ti, Th);
                        STM2(&(xo[4]), Tm, ovs, &(xo[0]));
                        STN2(&(xo[4]), Tm, Tk, ovs);
                        Tn = VFNMSI(Tc, Tb);
                        STM2(&(xo[10]), Tn, ovs, &(xo[2]));
                        STN2(&(xo[8]), Tl, Tn, ovs);
                        To = VFMAI(Tc, Tb);
                        STM2(&(xo[2]), To, ovs, &(xo[2]));
                        STN2(&(xo[0]), Tj, To, ovs);
                   }
                }
             }
        }
     }
}

static const kdft_desc desc = { 6, "n2bv_6", {12, 2, 6, 0}, &GENUS, 0, 2, 0, 0 };
void X(codelet_n2bv_6) (planner *p) {
     X(kdft_register) (p, n2bv_6, &desc);
}

#else                   /* HAVE_FMA */

/* Generated by: ../../../genfft/gen_notw_c -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 6 -name n2bv_6 -with-ostride 2 -include n2b.h -store-multiple 2 */

/*
 * This function contains 18 FP additions, 4 FP multiplications,
 * (or, 16 additions, 2 multiplications, 2 fused multiply/add),
 * 25 stack variables, and 15 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 "n2b.h"

static void n2bv_6(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
     DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
     DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
     INT i;
     const R *xi;
     R *xo;
     xi = ii;
     xo = io;
     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 Ta, Td, T3, Te, T6, Tf, Tb, Tg, T8, T9, Tj, Tk;
        T8 = LD(&(xi[0]), ivs, &(xi[0]));
        T9 = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
        Ta = VSUB(T8, T9);
        Td = VADD(T8, T9);
        {
             V T1, T2, T4, T5;
             T1 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
             T2 = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
             T3 = VSUB(T1, T2);
             Te = VADD(T1, T2);
             T4 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
             T5 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
             T6 = VSUB(T4, T5);
             Tf = VADD(T4, T5);
        }
        Tb = VADD(T3, T6);
        Tg = VADD(Te, Tf);
        Tj = VADD(Ta, Tb);
        STM2(&(xo[6]), Tj, ovs, &(xo[2]));
        Tk = VADD(Td, Tg);
        STM2(&(xo[0]), Tk, ovs, &(xo[0]));
        {
             V Tm, T7, Tc, Tl;
             T7 = VBYI(VMUL(LDK(KP866025403), VSUB(T3, T6)));
             Tc = VFNMS(LDK(KP500000000), Tb, Ta);
             Tl = VADD(T7, Tc);
             STM2(&(xo[2]), Tl, ovs, &(xo[2]));
             STN2(&(xo[0]), Tk, Tl, ovs);
             Tm = VSUB(Tc, T7);
             STM2(&(xo[10]), Tm, ovs, &(xo[2]));
             {
                V Th, Ti, Tn, To;
                Th = VFNMS(LDK(KP500000000), Tg, Td);
                Ti = VBYI(VMUL(LDK(KP866025403), VSUB(Te, Tf)));
                Tn = VSUB(Th, Ti);
                STM2(&(xo[4]), Tn, ovs, &(xo[0]));
                STN2(&(xo[4]), Tn, Tj, ovs);
                To = VADD(Ti, Th);
                STM2(&(xo[8]), To, ovs, &(xo[0]));
                STN2(&(xo[8]), To, Tm, ovs);
             }
        }
     }
}

static const kdft_desc desc = { 6, "n2bv_6", {16, 2, 2, 0}, &GENUS, 0, 2, 0, 0 };
void X(codelet_n2bv_6) (planner *p) {
     X(kdft_register) (p, n2bv_6, &desc);
}

#endif                        /* HAVE_FMA */

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