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n2bv_12.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 14:37:24 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 12 -name n2bv_12 -with-ostride 2 -include n2b.h -store-multiple 2 */

/*
 * This function contains 48 FP additions, 20 FP multiplications,
 * (or, 30 additions, 2 multiplications, 18 fused multiply/add),
 * 61 stack variables, and 30 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_12(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
     DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
     DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
     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, T6, Tc, Th, Td, Te, Ti, Tz, T4, TA, T9, Tj, Tf, Tw;
        {
             V T2, T3, T7, T8;
             T1 = LD(&(xi[0]), ivs, &(xi[0]));
             T6 = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
             T2 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
             T3 = LD(&(xi[WS(is, 8)]), ivs, &(xi[0]));
             T7 = LD(&(xi[WS(is, 10)]), ivs, &(xi[0]));
             T8 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
             Tc = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
             Th = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
             Td = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
             Te = LD(&(xi[WS(is, 11)]), ivs, &(xi[WS(is, 1)]));
             Ti = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
             Tz = VSUB(T2, T3);
             T4 = VADD(T2, T3);
             TA = VSUB(T7, T8);
             T9 = VADD(T7, T8);
             Tj = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
        }
        Tf = VADD(Td, Te);
        Tw = VSUB(Td, Te);
        {
             V T5, Tp, TJ, TB, Ta, Tq, Tk, Tx, Tg, Ts;
             T5 = VADD(T1, T4);
             Tp = VFNMS(LDK(KP500000000), T4, T1);
             TJ = VSUB(Tz, TA);
             TB = VADD(Tz, TA);
             Ta = VADD(T6, T9);
             Tq = VFNMS(LDK(KP500000000), T9, T6);
             Tk = VADD(Ti, Tj);
             Tx = VSUB(Tj, Ti);
             Tg = VADD(Tc, Tf);
             Ts = VFNMS(LDK(KP500000000), Tf, Tc);
             {
                V Tr, TF, Tb, Tn, TG, Ty, Tl, Tt;
                Tr = VADD(Tp, Tq);
                TF = VSUB(Tp, Tq);
                Tb = VSUB(T5, Ta);
                Tn = VADD(T5, Ta);
                TG = VADD(Tw, Tx);
                Ty = VSUB(Tw, Tx);
                Tl = VADD(Th, Tk);
                Tt = VFNMS(LDK(KP500000000), Tk, Th);
                {
                   V TC, TE, TH, TL, Tu, TI, Tm, To;
                   TC = VMUL(LDK(KP866025403), VSUB(Ty, TB));
                   TE = VMUL(LDK(KP866025403), VADD(TB, Ty));
                   TH = VFNMS(LDK(KP866025403), TG, TF);
                   TL = VFMA(LDK(KP866025403), TG, TF);
                   Tu = VADD(Ts, Tt);
                   TI = VSUB(Ts, Tt);
                   Tm = VSUB(Tg, Tl);
                   To = VADD(Tg, Tl);
                   {
                        V TK, TM, Tv, TD;
                        TK = VFMA(LDK(KP866025403), TJ, TI);
                        TM = VFNMS(LDK(KP866025403), TJ, TI);
                        Tv = VSUB(Tr, Tu);
                        TD = VADD(Tr, Tu);
                        {
                           V TN, TO, TP, TQ;
                           TN = VADD(Tn, To);
                           STM2(&(xo[0]), TN, ovs, &(xo[0]));
                           TO = VSUB(Tn, To);
                           STM2(&(xo[12]), TO, ovs, &(xo[0]));
                           TP = VFMAI(Tm, Tb);
                           STM2(&(xo[18]), TP, ovs, &(xo[2]));
                           TQ = VFNMSI(Tm, Tb);
                           STM2(&(xo[6]), TQ, ovs, &(xo[2]));
                           {
                              V TR, TS, TT, TU;
                              TR = VFMAI(TM, TL);
                              STM2(&(xo[10]), TR, ovs, &(xo[2]));
                              TS = VFNMSI(TM, TL);
                              STM2(&(xo[14]), TS, ovs, &(xo[2]));
                              STN2(&(xo[12]), TO, TS, ovs);
                              TT = VFNMSI(TK, TH);
                              STM2(&(xo[22]), TT, ovs, &(xo[2]));
                              TU = VFMAI(TK, TH);
                              STM2(&(xo[2]), TU, ovs, &(xo[2]));
                              STN2(&(xo[0]), TN, TU, ovs);
                              {
                                   V TV, TW, TX, TY;
                                   TV = VFNMSI(TE, TD);
                                   STM2(&(xo[16]), TV, ovs, &(xo[0]));
                                   STN2(&(xo[16]), TV, TP, ovs);
                                   TW = VFMAI(TE, TD);
                                   STM2(&(xo[8]), TW, ovs, &(xo[0]));
                                   STN2(&(xo[8]), TW, TR, ovs);
                                   TX = VFMAI(TC, Tv);
                                   STM2(&(xo[4]), TX, ovs, &(xo[0]));
                                   STN2(&(xo[4]), TX, TQ, ovs);
                                   TY = VFNMSI(TC, Tv);
                                   STM2(&(xo[20]), TY, ovs, &(xo[0]));
                                   STN2(&(xo[20]), TY, TT, ovs);
                              }
                           }
                        }
                   }
                }
             }
        }
     }
}

static const kdft_desc desc = { 12, "n2bv_12", {30, 2, 18, 0}, &GENUS, 0, 2, 0, 0 };
void X(codelet_n2bv_12) (planner *p) {
     X(kdft_register) (p, n2bv_12, &desc);
}

#else                   /* HAVE_FMA */

/* Generated by: ../../../genfft/gen_notw_c -simd -compact -variables 4 -pipeline-latency 8 -sign 1 -n 12 -name n2bv_12 -with-ostride 2 -include n2b.h -store-multiple 2 */

/*
 * This function contains 48 FP additions, 8 FP multiplications,
 * (or, 44 additions, 4 multiplications, 4 fused multiply/add),
 * 33 stack variables, and 30 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_12(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
     DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
     DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
     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 T5, Ta, TG, TF, Ty, Tm, Ti, Tp, TJ, TI, Tx, Ts;
        {
             V T1, T6, T4, Tk, T9, Tl;
             T1 = LD(&(xi[0]), ivs, &(xi[0]));
             T6 = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
             {
                V T2, T3, T7, T8;
                T2 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
                T3 = LD(&(xi[WS(is, 8)]), ivs, &(xi[0]));
                T4 = VADD(T2, T3);
                Tk = VSUB(T2, T3);
                T7 = LD(&(xi[WS(is, 10)]), ivs, &(xi[0]));
                T8 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
                T9 = VADD(T7, T8);
                Tl = VSUB(T7, T8);
             }
             T5 = VFNMS(LDK(KP500000000), T4, T1);
             Ta = VFNMS(LDK(KP500000000), T9, T6);
             TG = VADD(T6, T9);
             TF = VADD(T1, T4);
             Ty = VADD(Tk, Tl);
             Tm = VMUL(LDK(KP866025403), VSUB(Tk, Tl));
        }
        {
             V Tn, Tq, Te, To, Th, Tr;
             Tn = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
             Tq = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
             {
                V Tc, Td, Tf, Tg;
                Tc = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
                Td = LD(&(xi[WS(is, 11)]), ivs, &(xi[WS(is, 1)]));
                Te = VSUB(Tc, Td);
                To = VADD(Tc, Td);
                Tf = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
                Tg = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
                Th = VSUB(Tf, Tg);
                Tr = VADD(Tf, Tg);
             }
             Ti = VMUL(LDK(KP866025403), VSUB(Te, Th));
             Tp = VFNMS(LDK(KP500000000), To, Tn);
             TJ = VADD(Tq, Tr);
             TI = VADD(Tn, To);
             Tx = VADD(Te, Th);
             Ts = VFNMS(LDK(KP500000000), Tr, Tq);
        }
        {
             V TN, TO, TP, TQ, TR, TS;
             {
                V TH, TK, TL, TM;
                TH = VSUB(TF, TG);
                TK = VBYI(VSUB(TI, TJ));
                TN = VSUB(TH, TK);
                STM2(&(xo[6]), TN, ovs, &(xo[2]));
                TO = VADD(TH, TK);
                STM2(&(xo[18]), TO, ovs, &(xo[2]));
                TL = VADD(TF, TG);
                TM = VADD(TI, TJ);
                TP = VSUB(TL, TM);
                STM2(&(xo[12]), TP, ovs, &(xo[0]));
                TQ = VADD(TL, TM);
                STM2(&(xo[0]), TQ, ovs, &(xo[0]));
             }
             {
                V Tj, Tv, Tu, Tw, Tb, Tt, TT, TU;
                Tb = VSUB(T5, Ta);
                Tj = VSUB(Tb, Ti);
                Tv = VADD(Tb, Ti);
                Tt = VSUB(Tp, Ts);
                Tu = VBYI(VADD(Tm, Tt));
                Tw = VBYI(VSUB(Tt, Tm));
                TR = VSUB(Tj, Tu);
                STM2(&(xo[22]), TR, ovs, &(xo[2]));
                TS = VADD(Tv, Tw);
                STM2(&(xo[10]), TS, ovs, &(xo[2]));
                TT = VADD(Tj, Tu);
                STM2(&(xo[2]), TT, ovs, &(xo[2]));
                STN2(&(xo[0]), TQ, TT, ovs);
                TU = VSUB(Tv, Tw);
                STM2(&(xo[14]), TU, ovs, &(xo[2]));
                STN2(&(xo[12]), TP, TU, ovs);
             }
             {
                V Tz, TD, TC, TE, TA, TB;
                Tz = VBYI(VMUL(LDK(KP866025403), VSUB(Tx, Ty)));
                TD = VBYI(VMUL(LDK(KP866025403), VADD(Ty, Tx)));
                TA = VADD(T5, Ta);
                TB = VADD(Tp, Ts);
                TC = VSUB(TA, TB);
                TE = VADD(TA, TB);
                {
                   V TV, TW, TX, TY;
                   TV = VADD(Tz, TC);
                   STM2(&(xo[4]), TV, ovs, &(xo[0]));
                   STN2(&(xo[4]), TV, TN, ovs);
                   TW = VSUB(TE, TD);
                   STM2(&(xo[16]), TW, ovs, &(xo[0]));
                   STN2(&(xo[16]), TW, TO, ovs);
                   TX = VSUB(TC, Tz);
                   STM2(&(xo[20]), TX, ovs, &(xo[0]));
                   STN2(&(xo[20]), TX, TR, ovs);
                   TY = VADD(TD, TE);
                   STM2(&(xo[8]), TY, ovs, &(xo[0]));
                   STN2(&(xo[8]), TY, TS, ovs);
                }
             }
        }
     }
}

static const kdft_desc desc = { 12, "n2bv_12", {44, 4, 4, 0}, &GENUS, 0, 2, 0, 0 };
void X(codelet_n2bv_12) (planner *p) {
     X(kdft_register) (p, n2bv_12, &desc);
}

#endif                        /* HAVE_FMA */

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