/*
* 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 Sun Jul 2 15:59:17 EDT 2006 */
#include "codelet-rdft.h"
#ifdef HAVE_FMA
/* Generated by: ../../../genfft/gen_hc2hc -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 8 -dit -name hf2_8 -include hf.h */
/*
* This function contains 74 FP additions, 50 FP multiplications,
* (or, 44 additions, 20 multiplications, 30 fused multiply/add),
* 70 stack variables, and 32 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_hc2hc.ml,v 1.16 2006-02-12 23:34:12 athena Exp $
*/
#include "hf.h"
static const R *hf2_8(R *rio, R *iio, const R *W, stride ios, INT m, INT dist)
{
DK(KP707106781, +0.707106781186547524400844362104849039284835938);
INT i;
for (i = m - 2; i > 0; i = i - 2, rio = rio + dist, iio = iio - dist, W = W + 6, MAKE_VOLATILE_STRIDE(ios)) {
E T1m, T1l, T1k, Tw, T1w, T1u, T1v, TT, T1n, T1o;
{
E T2, T3, Tl, Tn, T5, T4, Tm, Tr, T6;
T2 = W[0];
T3 = W[2];
Tl = W[4];
Tn = W[5];
T5 = W[1];
T4 = T2 * T3;
Tm = T2 * Tl;
Tr = T2 * Tn;
T6 = W[3];
{
E T1, T1s, TG, TC, Tu, TY, Tk, TW, Td, T1r, Tx, TH, T1d, T14, TS;
E T18, T12, TD, TA;
{
E To, Ts, Tf, T7, Tp, Ti, Tb, Tq, Tt, Ta, TF, TB, T8, T9, Tc;
T1 = rio[0];
To = FMA(T5, Tn, Tm);
Ts = FNMS(T5, Tl, Tr);
Tf = FMA(T5, T6, T4);
T7 = FNMS(T5, T6, T4);
Ta = T2 * T6;
T1s = iio[-WS(ios, 7)];
Tp = rio[WS(ios, 6)];
TF = Tf * Tn;
TB = Tf * Tl;
Ti = FNMS(T5, T3, Ta);
Tb = FMA(T5, T3, Ta);
Tq = To * Tp;
Tt = iio[-WS(ios, 1)];
TG = FNMS(Ti, Tl, TF);
TC = FMA(Ti, Tn, TB);
{
E Tg, TX, Tj, Th, TV;
Tg = rio[WS(ios, 2)];
Tu = FMA(Ts, Tt, Tq);
TX = To * Tt;
Tj = iio[-WS(ios, 5)];
Th = Tf * Tg;
T8 = rio[WS(ios, 4)];
TY = FNMS(Ts, Tp, TX);
TV = Tf * Tj;
Tk = FMA(Ti, Tj, Th);
T9 = T7 * T8;
Tc = iio[-WS(ios, 3)];
TW = FNMS(Ti, Tg, TV);
}
{
E TK, TQ, TL, T1b, TM, TO, T1q, Ty, Tz;
TK = rio[WS(ios, 7)];
TQ = iio[-WS(ios, 4)];
Td = FMA(Tb, Tc, T9);
T1q = T7 * Tc;
TL = Tl * TK;
T1b = T3 * TQ;
TM = iio[0];
T1r = FNMS(Tb, T8, T1q);
TO = rio[WS(ios, 3)];
{
E TN, T1c, T1a, TR, T19, TP;
Tx = rio[WS(ios, 1)];
TN = FMA(Tn, TM, TL);
T19 = Tl * TM;
T1c = FNMS(T6, TO, T1b);
TP = T3 * TO;
Ty = T2 * Tx;
T1a = FNMS(Tn, TK, T19);
TH = iio[-WS(ios, 2)];
TR = FMA(T6, TQ, TP);
Tz = iio[-WS(ios, 6)];
T1m = T1a + T1c;
T1d = T1a - T1c;
T14 = TC * TH;
TS = TN + TR;
T18 = TN - TR;
T12 = T2 * Tz;
TD = rio[WS(ios, 5)];
}
TA = FMA(T5, Tz, Ty);
}
}
{
E Te, T1p, T1t, T10, T1g, Tv, TJ, T1i, T1e, T1z, T1B, T17, T1h;
{
E T1x, T16, T1y, T11;
{
E TU, T13, T15, TE, TZ, TI;
Te = T1 + Td;
TU = T1 - Td;
T13 = FNMS(T5, Tx, T12);
T15 = FNMS(TG, TD, T14);
TE = TC * TD;
T1p = TW + TY;
TZ = TW - TY;
T1x = T1s - T1r;
T1t = T1r + T1s;
T1l = T13 + T15;
T16 = T13 - T15;
TI = FMA(TG, TH, TE);
T10 = TU + TZ;
T1g = TU - TZ;
Tv = Tk + Tu;
T1y = Tk - Tu;
T11 = TA - TI;
TJ = TA + TI;
}
T1i = T18 + T1d;
T1e = T18 - T1d;
T1z = T1x - T1y;
T1B = T1y + T1x;
T17 = T11 + T16;
T1h = T16 - T11;
}
{
E T1j, T1A, T1f, T1C;
T1j = T1h - T1i;
T1A = T1h + T1i;
T1f = T17 + T1e;
T1C = T1e - T17;
iio[-WS(ios, 1)] = FMA(KP707106781, T1A, T1z);
rio[WS(ios, 5)] = FMS(KP707106781, T1A, T1z);
rio[WS(ios, 3)] = FMA(KP707106781, T1j, T1g);
iio[-WS(ios, 7)] = FNMS(KP707106781, T1j, T1g);
iio[-WS(ios, 3)] = FMA(KP707106781, T1C, T1B);
rio[WS(ios, 7)] = FMS(KP707106781, T1C, T1B);
rio[WS(ios, 1)] = FMA(KP707106781, T1f, T10);
iio[-WS(ios, 5)] = FNMS(KP707106781, T1f, T10);
T1k = Te - Tv;
Tw = Te + Tv;
}
T1w = T1t - T1p;
T1u = T1p + T1t;
T1v = TS - TJ;
TT = TJ + TS;
}
}
}
iio[-WS(ios, 2)] = T1v + T1w;
rio[WS(ios, 6)] = T1v - T1w;
rio[0] = Tw + TT;
iio[-WS(ios, 4)] = Tw - TT;
T1n = T1l - T1m;
T1o = T1l + T1m;
iio[0] = T1o + T1u;
rio[WS(ios, 4)] = T1o - T1u;
rio[WS(ios, 2)] = T1k + T1n;
iio[-WS(ios, 6)] = T1k - T1n;
}
return W;
}
static const tw_instr twinstr[] = {
{TW_CEXP, 0, 1},
{TW_CEXP, 0, 3},
{TW_CEXP, 0, 7},
{TW_NEXT, 1, 0}
};
static const hc2hc_desc desc = { 8, "hf2_8", twinstr, &GENUS, {44, 20, 30, 0}, 0, 0, 0 };
void X(codelet_hf2_8) (planner *p) {
X(khc2hc_register) (p, hf2_8, &desc);
}
#else /* HAVE_FMA */
/* Generated by: ../../../genfft/gen_hc2hc -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 8 -dit -name hf2_8 -include hf.h */
/*
* This function contains 74 FP additions, 44 FP multiplications,
* (or, 56 additions, 26 multiplications, 18 fused multiply/add),
* 42 stack variables, and 32 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_hc2hc.ml,v 1.16 2006-02-12 23:34:12 athena Exp $
*/
#include "hf.h"
static const R *hf2_8(R *rio, R *iio, const R *W, stride ios, INT m, INT dist)
{
DK(KP707106781, +0.707106781186547524400844362104849039284835938);
INT i;
for (i = m - 2; i > 0; i = i - 2, rio = rio + dist, iio = iio - dist, W = W + 6, MAKE_VOLATILE_STRIDE(ios)) {
E T2, T5, T3, T6, T8, Tc, Tg, Ti, Tl, Tm, Tn, Tz, Tp, Tx;
{
E T4, Tb, T7, Ta;
T2 = W[0];
T5 = W[1];
T3 = W[2];
T6 = W[3];
T4 = T2 * T3;
Tb = T5 * T3;
T7 = T5 * T6;
Ta = T2 * T6;
T8 = T4 - T7;
Tc = Ta + Tb;
Tg = T4 + T7;
Ti = Ta - Tb;
Tl = W[4];
Tm = W[5];
Tn = FMA(T2, Tl, T5 * Tm);
Tz = FNMS(Ti, Tl, Tg * Tm);
Tp = FNMS(T5, Tl, T2 * Tm);
Tx = FMA(Tg, Tl, Ti * Tm);
}
{
E Tf, T1i, TL, T1d, TJ, T17, TV, TY, Ts, T1j, TO, T1a, TC, T16, TQ;
E TT;
{
E T1, T1c, Te, T1b, T9, Td;
T1 = rio[0];
T1c = iio[-WS(ios, 7)];
T9 = rio[WS(ios, 4)];
Td = iio[-WS(ios, 3)];
Te = FMA(T8, T9, Tc * Td);
T1b = FNMS(Tc, T9, T8 * Td);
Tf = T1 + Te;
T1i = T1c - T1b;
TL = T1 - Te;
T1d = T1b + T1c;
}
{
E TF, TW, TI, TX;
{
E TD, TE, TG, TH;
TD = rio[WS(ios, 7)];
TE = iio[0];
TF = FMA(Tl, TD, Tm * TE);
TW = FNMS(Tm, TD, Tl * TE);
TG = rio[WS(ios, 3)];
TH = iio[-WS(ios, 4)];
TI = FMA(T3, TG, T6 * TH);
TX = FNMS(T6, TG, T3 * TH);
}
TJ = TF + TI;
T17 = TW + TX;
TV = TF - TI;
TY = TW - TX;
}
{
E Tk, TM, Tr, TN;
{
E Th, Tj, To, Tq;
Th = rio[WS(ios, 2)];
Tj = iio[-WS(ios, 5)];
Tk = FMA(Tg, Th, Ti * Tj);
TM = FNMS(Ti, Th, Tg * Tj);
To = rio[WS(ios, 6)];
Tq = iio[-WS(ios, 1)];
Tr = FMA(Tn, To, Tp * Tq);
TN = FNMS(Tp, To, Tn * Tq);
}
Ts = Tk + Tr;
T1j = Tk - Tr;
TO = TM - TN;
T1a = TM + TN;
}
{
E Tw, TR, TB, TS;
{
E Tu, Tv, Ty, TA;
Tu = rio[WS(ios, 1)];
Tv = iio[-WS(ios, 6)];
Tw = FMA(T2, Tu, T5 * Tv);
TR = FNMS(T5, Tu, T2 * Tv);
Ty = rio[WS(ios, 5)];
TA = iio[-WS(ios, 2)];
TB = FMA(Tx, Ty, Tz * TA);
TS = FNMS(Tz, Ty, Tx * TA);
}
TC = Tw + TB;
T16 = TR + TS;
TQ = Tw - TB;
TT = TR - TS;
}
{
E Tt, TK, T1f, T1g;
Tt = Tf + Ts;
TK = TC + TJ;
iio[-WS(ios, 4)] = Tt - TK;
rio[0] = Tt + TK;
{
E T19, T1e, T15, T18;
T19 = T16 + T17;
T1e = T1a + T1d;
rio[WS(ios, 4)] = T19 - T1e;
iio[0] = T19 + T1e;
T15 = Tf - Ts;
T18 = T16 - T17;
iio[-WS(ios, 6)] = T15 - T18;
rio[WS(ios, 2)] = T15 + T18;
}
T1f = TJ - TC;
T1g = T1d - T1a;
rio[WS(ios, 6)] = T1f - T1g;
iio[-WS(ios, 2)] = T1f + T1g;
{
E T11, T1k, T14, T1h, T12, T13;
T11 = TL - TO;
T1k = T1i - T1j;
T12 = TT - TQ;
T13 = TV + TY;
T14 = KP707106781 * (T12 - T13);
T1h = KP707106781 * (T12 + T13);
iio[-WS(ios, 7)] = T11 - T14;
iio[-WS(ios, 1)] = T1h + T1k;
rio[WS(ios, 3)] = T11 + T14;
rio[WS(ios, 5)] = T1h - T1k;
}
{
E TP, T1m, T10, T1l, TU, TZ;
TP = TL + TO;
T1m = T1j + T1i;
TU = TQ + TT;
TZ = TV - TY;
T10 = KP707106781 * (TU + TZ);
T1l = KP707106781 * (TZ - TU);
iio[-WS(ios, 5)] = TP - T10;
iio[-WS(ios, 3)] = T1l + T1m;
rio[WS(ios, 1)] = TP + T10;
rio[WS(ios, 7)] = T1l - T1m;
}
}
}
}
return W;
}
static const tw_instr twinstr[] = {
{TW_CEXP, 0, 1},
{TW_CEXP, 0, 3},
{TW_CEXP, 0, 7},
{TW_NEXT, 1, 0}
};
static const hc2hc_desc desc = { 8, "hf2_8", twinstr, &GENUS, {56, 26, 18, 0}, 0, 0, 0 };
void X(codelet_hf2_8) (planner *p) {
X(khc2hc_register) (p, hf2_8, &desc);
}
#endif /* HAVE_FMA */
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