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n2fv_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 14:32:38 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 12 -name n2fv_12 -with-ostride 2 -include n2f.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 "n2f.h"

static void n2fv_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 = 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, T6, Tk, Tn, Tc, Td, Tf, Tr, T4, Ts, T9, Tg, Te, Tl;
        {
             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]));
             Tk = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
             Tn = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
             Tc = LD(&(xi[WS(is, 11)]), ivs, &(xi[WS(is, 1)]));
             Td = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
             Tf = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
             Tr = VSUB(T3, T2);
             T4 = VADD(T2, T3);
             Ts = VSUB(T8, T7);
             T9 = VADD(T7, T8);
             Tg = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
        }
        Te = VSUB(Tc, Td);
        Tl = VADD(Td, Tc);
        {
             V T5, TF, TB, Tt, Ta, TG, Th, To, Tm, TI;
             T5 = VFNMS(LDK(KP500000000), T4, T1);
             TF = VADD(T1, T4);
             TB = VADD(Tr, Ts);
             Tt = VSUB(Tr, Ts);
             Ta = VFNMS(LDK(KP500000000), T9, T6);
             TG = VADD(T6, T9);
             Th = VSUB(Tf, Tg);
             To = VADD(Tf, Tg);
             Tm = VFNMS(LDK(KP500000000), Tl, Tk);
             TI = VADD(Tk, Tl);
             {
                V TH, TL, Tb, Tx, TJ, Tp, Ti, TA;
                TH = VSUB(TF, TG);
                TL = VADD(TF, TG);
                Tb = VSUB(T5, Ta);
                Tx = VADD(T5, Ta);
                TJ = VADD(Tn, To);
                Tp = VFNMS(LDK(KP500000000), To, Tn);
                Ti = VADD(Te, Th);
                TA = VSUB(Te, Th);
                {
                   V Tq, Ty, TK, TM;
                   Tq = VSUB(Tm, Tp);
                   Ty = VADD(Tm, Tp);
                   TK = VSUB(TI, TJ);
                   TM = VADD(TI, TJ);
                   {
                        V TC, TE, Tj, Tv;
                        TC = VMUL(LDK(KP866025403), VSUB(TA, TB));
                        TE = VMUL(LDK(KP866025403), VADD(TB, TA));
                        Tj = VFMA(LDK(KP866025403), Ti, Tb);
                        Tv = VFNMS(LDK(KP866025403), Ti, Tb);
                        {
                           V Tz, TD, Tu, Tw;
                           Tz = VSUB(Tx, Ty);
                           TD = VADD(Tx, Ty);
                           Tu = VFNMS(LDK(KP866025403), Tt, Tq);
                           Tw = VFMA(LDK(KP866025403), Tt, Tq);
                           {
                              V TN, TO, TP, TQ;
                              TN = VADD(TL, TM);
                              STM2(&(xo[0]), TN, ovs, &(xo[0]));
                              TO = VSUB(TL, TM);
                              STM2(&(xo[12]), TO, ovs, &(xo[0]));
                              TP = VFMAI(TK, TH);
                              STM2(&(xo[6]), TP, ovs, &(xo[2]));
                              TQ = VFNMSI(TK, TH);
                              STM2(&(xo[18]), TQ, ovs, &(xo[2]));
                              {
                                   V TR, TS, TT, TU;
                                   TR = VFMAI(TE, TD);
                                   STM2(&(xo[8]), TR, ovs, &(xo[0]));
                                   TS = VFNMSI(TE, TD);
                                   STM2(&(xo[16]), TS, ovs, &(xo[0]));
                                   STN2(&(xo[16]), TS, TQ, ovs);
                                   TT = VFNMSI(TC, Tz);
                                   STM2(&(xo[20]), TT, ovs, &(xo[0]));
                                   TU = VFMAI(TC, Tz);
                                   STM2(&(xo[4]), TU, ovs, &(xo[0]));
                                   STN2(&(xo[4]), TU, TP, ovs);
                                   {
                                      V TV, TW, TX, TY;
                                      TV = VFNMSI(Tw, Tv);
                                      STM2(&(xo[10]), TV, ovs, &(xo[2]));
                                      STN2(&(xo[8]), TR, TV, ovs);
                                      TW = VFMAI(Tw, Tv);
                                      STM2(&(xo[14]), TW, ovs, &(xo[2]));
                                      STN2(&(xo[12]), TO, TW, ovs);
                                      TX = VFMAI(Tu, Tj);
                                      STM2(&(xo[22]), TX, ovs, &(xo[2]));
                                      STN2(&(xo[20]), TT, TX, ovs);
                                      TY = VFNMSI(Tu, Tj);
                                      STM2(&(xo[2]), TY, ovs, &(xo[2]));
                                      STN2(&(xo[0]), TN, TY, ovs);
                                   }
                              }
                           }
                        }
                   }
                }
             }
        }
     }
}

static const kdft_desc desc = { 12, "n2fv_12", {30, 2, 18, 0}, &GENUS, 0, 2, 0, 0 };
void X(codelet_n2fv_12) (planner *p) {
     X(kdft_register) (p, n2fv_12, &desc);
}

#else                   /* HAVE_FMA */

/* Generated by: ../../../genfft/gen_notw_c -simd -compact -variables 4 -pipeline-latency 8 -n 12 -name n2fv_12 -with-ostride 2 -include n2f.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 "n2f.h"

static void n2fv_12(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 = 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 T5, Ta, TJ, Ty, Tq, Tp, Tg, Tl, TI, TA, Tz, Tu;
        {
             V T1, T6, T4, Tw, T9, Tx;
             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);
                Tw = VSUB(T3, T2);
                T7 = LD(&(xi[WS(is, 10)]), ivs, &(xi[0]));
                T8 = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
                T9 = VADD(T7, T8);
                Tx = VSUB(T8, T7);
             }
             T5 = VADD(T1, T4);
             Ta = VADD(T6, T9);
             TJ = VADD(Tw, Tx);
             Ty = VMUL(LDK(KP866025403), VSUB(Tw, Tx));
             Tq = VFNMS(LDK(KP500000000), T9, T6);
             Tp = VFNMS(LDK(KP500000000), T4, T1);
        }
        {
             V Tc, Th, Tf, Ts, Tk, Tt;
             Tc = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
             Th = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
             {
                V Td, Te, Ti, Tj;
                Td = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
                Te = LD(&(xi[WS(is, 11)]), ivs, &(xi[WS(is, 1)]));
                Tf = VADD(Td, Te);
                Ts = VSUB(Te, Td);
                Ti = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
                Tj = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
                Tk = VADD(Ti, Tj);
                Tt = VSUB(Tj, Ti);
             }
             Tg = VADD(Tc, Tf);
             Tl = VADD(Th, Tk);
             TI = VADD(Ts, Tt);
             TA = VFNMS(LDK(KP500000000), Tk, Th);
             Tz = VFNMS(LDK(KP500000000), Tf, Tc);
             Tu = VMUL(LDK(KP866025403), VSUB(Ts, Tt));
        }
        {
             V TN, TO, TP, TQ, TR, TS;
             {
                V Tb, Tm, Tn, To;
                Tb = VSUB(T5, Ta);
                Tm = VBYI(VSUB(Tg, Tl));
                TN = VSUB(Tb, Tm);
                STM2(&(xo[18]), TN, ovs, &(xo[2]));
                TO = VADD(Tb, Tm);
                STM2(&(xo[6]), TO, ovs, &(xo[2]));
                Tn = VADD(T5, Ta);
                To = VADD(Tg, Tl);
                TP = VSUB(Tn, To);
                STM2(&(xo[12]), TP, ovs, &(xo[0]));
                TQ = VADD(Tn, To);
                STM2(&(xo[0]), TQ, ovs, &(xo[0]));
             }
             {
                V Tv, TE, TC, TD, Tr, TB, TT, TU;
                Tr = VSUB(Tp, Tq);
                Tv = VSUB(Tr, Tu);
                TE = VADD(Tr, Tu);
                TB = VSUB(Tz, TA);
                TC = VBYI(VADD(Ty, TB));
                TD = VBYI(VSUB(Ty, TB));
                TR = VSUB(Tv, TC);
                STM2(&(xo[10]), TR, ovs, &(xo[2]));
                TS = VSUB(TE, TD);
                STM2(&(xo[22]), TS, ovs, &(xo[2]));
                TT = VADD(TC, Tv);
                STM2(&(xo[14]), TT, ovs, &(xo[2]));
                STN2(&(xo[12]), TP, TT, ovs);
                TU = VADD(TD, TE);
                STM2(&(xo[2]), TU, ovs, &(xo[2]));
                STN2(&(xo[0]), TQ, TU, ovs);
             }
             {
                V TK, TM, TH, TL, TF, TG;
                TK = VBYI(VMUL(LDK(KP866025403), VSUB(TI, TJ)));
                TM = VBYI(VMUL(LDK(KP866025403), VADD(TJ, TI)));
                TF = VADD(Tp, Tq);
                TG = VADD(Tz, TA);
                TH = VSUB(TF, TG);
                TL = VADD(TF, TG);
                {
                   V TV, TW, TX, TY;
                   TV = VSUB(TH, TK);
                   STM2(&(xo[20]), TV, ovs, &(xo[0]));
                   STN2(&(xo[20]), TV, TS, ovs);
                   TW = VADD(TL, TM);
                   STM2(&(xo[8]), TW, ovs, &(xo[0]));
                   STN2(&(xo[8]), TW, TR, ovs);
                   TX = VADD(TH, TK);
                   STM2(&(xo[4]), TX, ovs, &(xo[0]));
                   STN2(&(xo[4]), TX, TO, ovs);
                   TY = VSUB(TL, TM);
                   STM2(&(xo[16]), TY, ovs, &(xo[0]));
                   STN2(&(xo[16]), TY, TN, ovs);
                }
             }
        }
     }
}

static const kdft_desc desc = { 12, "n2fv_12", {44, 4, 4, 0}, &GENUS, 0, 2, 0, 0 };
void X(codelet_n2fv_12) (planner *p) {
     X(kdft_register) (p, n2fv_12, &desc);
}

#endif                        /* HAVE_FMA */

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