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root / src / fftw-3.3.8 / dft / scalar / codelets / t1_7.c @ 167:bd3cc4d1df30
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/*
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* Copyright (c) 2003, 2007-14 Matteo Frigo
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* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
|
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
|
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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|
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/* This file was automatically generated --- DO NOT EDIT */
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/* Generated on Thu May 24 08:04:13 EDT 2018 */
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|
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#include "dft/codelet-dft.h" |
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|
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#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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/* Generated by: ../../../genfft/gen_twiddle.native -fma -compact -variables 4 -pipeline-latency 4 -n 7 -name t1_7 -include dft/scalar/t.h */
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|
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/*
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* This function contains 72 FP additions, 66 FP multiplications,
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* (or, 18 additions, 12 multiplications, 54 fused multiply/add),
|
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* 37 stack variables, 6 constants, and 28 memory accesses
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*/
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#include "dft/scalar/t.h" |
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|
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static void t1_7(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) |
| 38 |
{
|
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DK(KP974927912, +0.974927912181823607018131682993931217232785801); |
| 40 |
DK(KP900968867, +0.900968867902419126236102319507445051165919162); |
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DK(KP801937735, +0.801937735804838252472204639014890102331838324); |
| 42 |
DK(KP554958132, +0.554958132087371191422194871006410481067288862); |
| 43 |
DK(KP692021471, +0.692021471630095869627814897002069140197260599); |
| 44 |
DK(KP356895867, +0.356895867892209443894399510021300583399127187); |
| 45 |
{
|
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INT m; |
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for (m = mb, W = W + (mb * 12); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 12, MAKE_VOLATILE_STRIDE(14, rs)) { |
| 48 |
E T1, T1c, Te, T1h, TR, T19, Tr, T1g, TM, T1a, TE, T1i, TW, T1b; |
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T1 = ri[0];
|
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T1c = ii[0];
|
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{
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E T3, T6, T4, TN, T9, Tc, Ta, TP, T2, T8; |
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T3 = ri[WS(rs, 1)];
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T6 = ii[WS(rs, 1)];
|
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T2 = W[0];
|
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T4 = T2 * T3; |
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TN = T2 * T6; |
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T9 = ri[WS(rs, 6)];
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Tc = ii[WS(rs, 6)];
|
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T8 = W[10];
|
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Ta = T8 * T9; |
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TP = T8 * Tc; |
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{
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E T7, TO, Td, TQ, T5, Tb; |
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T5 = W[1];
|
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T7 = FMA(T5, T6, T4); |
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TO = FNMS(T5, T3, TN); |
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Tb = W[11];
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Td = FMA(Tb, Tc, Ta); |
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TQ = FNMS(Tb, T9, TP); |
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Te = T7 + Td; |
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T1h = Td - T7; |
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TR = TO - TQ; |
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T19 = TO + TQ; |
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} |
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} |
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{
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E Tg, Tj, Th, TI, Tm, Tp, Tn, TK, Tf, Tl; |
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Tg = ri[WS(rs, 2)];
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Tj = ii[WS(rs, 2)];
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Tf = W[2];
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Th = Tf * Tg; |
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TI = Tf * Tj; |
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Tm = ri[WS(rs, 5)];
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Tp = ii[WS(rs, 5)];
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Tl = W[8];
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Tn = Tl * Tm; |
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TK = Tl * Tp; |
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{
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E Tk, TJ, Tq, TL, Ti, To; |
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Ti = W[3];
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Tk = FMA(Ti, Tj, Th); |
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TJ = FNMS(Ti, Tg, TI); |
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To = W[9];
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Tq = FMA(To, Tp, Tn); |
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TL = FNMS(To, Tm, TK); |
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Tr = Tk + Tq; |
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T1g = Tq - Tk; |
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TM = TJ - TL; |
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T1a = TJ + TL; |
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} |
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} |
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{
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E Tt, Tw, Tu, TS, Tz, TC, TA, TU, Ts, Ty; |
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Tt = ri[WS(rs, 3)];
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Tw = ii[WS(rs, 3)];
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Ts = W[4];
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Tu = Ts * Tt; |
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TS = Ts * Tw; |
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Tz = ri[WS(rs, 4)];
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TC = ii[WS(rs, 4)];
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Ty = W[6];
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TA = Ty * Tz; |
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TU = Ty * TC; |
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{
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E Tx, TT, TD, TV, Tv, TB; |
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Tv = W[5];
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Tx = FMA(Tv, Tw, Tu); |
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TT = FNMS(Tv, Tt, TS); |
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TB = W[7];
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TD = FMA(TB, TC, TA); |
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TV = FNMS(TB, Tz, TU); |
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TE = Tx + TD; |
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T1i = TD - Tx; |
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TW = TT - TV; |
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T1b = TT + TV; |
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} |
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} |
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ri[0] = T1 + Te + Tr + TE;
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ii[0] = T19 + T1a + T1b + T1c;
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{
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E TG, TY, TF, TX, TH; |
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TF = FNMS(KP356895867, Tr, Te); |
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TG = FNMS(KP692021471, TF, TE); |
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TX = FMA(KP554958132, TW, TR); |
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TY = FMA(KP801937735, TX, TM); |
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TH = FNMS(KP900968867, TG, T1); |
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ri[WS(rs, 6)] = FNMS(KP974927912, TY, TH);
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ri[WS(rs, 1)] = FMA(KP974927912, TY, TH);
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} |
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{
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E T1e, T1k, T1d, T1j, T1f; |
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T1d = FNMS(KP356895867, T1a, T19); |
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T1e = FNMS(KP692021471, T1d, T1b); |
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T1j = FMA(KP554958132, T1i, T1h); |
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T1k = FMA(KP801937735, T1j, T1g); |
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T1f = FNMS(KP900968867, T1e, T1c); |
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ii[WS(rs, 1)] = FMA(KP974927912, T1k, T1f);
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ii[WS(rs, 6)] = FNMS(KP974927912, T1k, T1f);
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} |
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{
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E T10, T13, TZ, T12, T11; |
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TZ = FNMS(KP356895867, Te, TE); |
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T10 = FNMS(KP692021471, TZ, Tr); |
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T12 = FMA(KP554958132, TM, TW); |
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T13 = FNMS(KP801937735, T12, TR); |
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T11 = FNMS(KP900968867, T10, T1); |
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ri[WS(rs, 5)] = FNMS(KP974927912, T13, T11);
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ri[WS(rs, 2)] = FMA(KP974927912, T13, T11);
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} |
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{
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E T1m, T1p, T1l, T1o, T1n; |
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T1l = FNMS(KP356895867, T19, T1b); |
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T1m = FNMS(KP692021471, T1l, T1a); |
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T1o = FMA(KP554958132, T1g, T1i); |
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T1p = FNMS(KP801937735, T1o, T1h); |
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T1n = FNMS(KP900968867, T1m, T1c); |
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ii[WS(rs, 2)] = FMA(KP974927912, T1p, T1n);
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ii[WS(rs, 5)] = FNMS(KP974927912, T1p, T1n);
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} |
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{
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E T15, T18, T14, T17, T16; |
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T14 = FNMS(KP356895867, TE, Tr); |
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T15 = FNMS(KP692021471, T14, Te); |
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T17 = FNMS(KP554958132, TR, TM); |
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T18 = FNMS(KP801937735, T17, TW); |
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T16 = FNMS(KP900968867, T15, T1); |
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ri[WS(rs, 4)] = FNMS(KP974927912, T18, T16);
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ri[WS(rs, 3)] = FMA(KP974927912, T18, T16);
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} |
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{
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E T1r, T1u, T1q, T1t, T1s; |
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T1q = FNMS(KP356895867, T1b, T1a); |
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T1r = FNMS(KP692021471, T1q, T19); |
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T1t = FNMS(KP554958132, T1h, T1g); |
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T1u = FNMS(KP801937735, T1t, T1i); |
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T1s = FNMS(KP900968867, T1r, T1c); |
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ii[WS(rs, 3)] = FMA(KP974927912, T1u, T1s);
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ii[WS(rs, 4)] = FNMS(KP974927912, T1u, T1s);
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} |
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} |
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} |
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} |
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|
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static const tw_instr twinstr[] = { |
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{TW_FULL, 0, 7},
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{TW_NEXT, 1, 0}
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}; |
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|
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static const ct_desc desc = { 7, "t1_7", twinstr, &GENUS, {18, 12, 54, 0}, 0, 0, 0 }; |
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|
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void X(codelet_t1_7) (planner *p) {
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X(kdft_dit_register) (p, t1_7, &desc); |
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} |
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#else
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|
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/* Generated by: ../../../genfft/gen_twiddle.native -compact -variables 4 -pipeline-latency 4 -n 7 -name t1_7 -include dft/scalar/t.h */
|
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|
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/*
|
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* This function contains 72 FP additions, 60 FP multiplications,
|
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* (or, 36 additions, 24 multiplications, 36 fused multiply/add),
|
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* 29 stack variables, 6 constants, and 28 memory accesses
|
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*/
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#include "dft/scalar/t.h" |
| 215 |
|
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static void t1_7(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) |
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{
|
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DK(KP222520933, +0.222520933956314404288902564496794759466355569); |
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DK(KP900968867, +0.900968867902419126236102319507445051165919162); |
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DK(KP623489801, +0.623489801858733530525004884004239810632274731); |
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DK(KP433883739, +0.433883739117558120475768332848358754609990728); |
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DK(KP781831482, +0.781831482468029808708444526674057750232334519); |
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DK(KP974927912, +0.974927912181823607018131682993931217232785801); |
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{
|
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INT m; |
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for (m = mb, W = W + (mb * 12); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 12, MAKE_VOLATILE_STRIDE(14, rs)) { |
| 227 |
E T1, TR, Tc, TS, TC, TO, Tn, TT, TI, TP, Ty, TU, TF, TQ; |
| 228 |
T1 = ri[0];
|
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TR = ii[0];
|
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{
|
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E T6, TA, Tb, TB; |
| 232 |
{
|
| 233 |
E T3, T5, T2, T4; |
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T3 = ri[WS(rs, 1)];
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T5 = ii[WS(rs, 1)];
|
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T2 = W[0];
|
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T4 = W[1];
|
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T6 = FMA(T2, T3, T4 * T5); |
| 239 |
TA = FNMS(T4, T3, T2 * T5); |
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} |
| 241 |
{
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E T8, Ta, T7, T9; |
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T8 = ri[WS(rs, 6)];
|
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Ta = ii[WS(rs, 6)];
|
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T7 = W[10];
|
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T9 = W[11];
|
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Tb = FMA(T7, T8, T9 * Ta); |
| 248 |
TB = FNMS(T9, T8, T7 * Ta); |
| 249 |
} |
| 250 |
Tc = T6 + Tb; |
| 251 |
TS = Tb - T6; |
| 252 |
TC = TA - TB; |
| 253 |
TO = TA + TB; |
| 254 |
} |
| 255 |
{
|
| 256 |
E Th, TG, Tm, TH; |
| 257 |
{
|
| 258 |
E Te, Tg, Td, Tf; |
| 259 |
Te = ri[WS(rs, 2)];
|
| 260 |
Tg = ii[WS(rs, 2)];
|
| 261 |
Td = W[2];
|
| 262 |
Tf = W[3];
|
| 263 |
Th = FMA(Td, Te, Tf * Tg); |
| 264 |
TG = FNMS(Tf, Te, Td * Tg); |
| 265 |
} |
| 266 |
{
|
| 267 |
E Tj, Tl, Ti, Tk; |
| 268 |
Tj = ri[WS(rs, 5)];
|
| 269 |
Tl = ii[WS(rs, 5)];
|
| 270 |
Ti = W[8];
|
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Tk = W[9];
|
| 272 |
Tm = FMA(Ti, Tj, Tk * Tl); |
| 273 |
TH = FNMS(Tk, Tj, Ti * Tl); |
| 274 |
} |
| 275 |
Tn = Th + Tm; |
| 276 |
TT = Tm - Th; |
| 277 |
TI = TG - TH; |
| 278 |
TP = TG + TH; |
| 279 |
} |
| 280 |
{
|
| 281 |
E Ts, TD, Tx, TE; |
| 282 |
{
|
| 283 |
E Tp, Tr, To, Tq; |
| 284 |
Tp = ri[WS(rs, 3)];
|
| 285 |
Tr = ii[WS(rs, 3)];
|
| 286 |
To = W[4];
|
| 287 |
Tq = W[5];
|
| 288 |
Ts = FMA(To, Tp, Tq * Tr); |
| 289 |
TD = FNMS(Tq, Tp, To * Tr); |
| 290 |
} |
| 291 |
{
|
| 292 |
E Tu, Tw, Tt, Tv; |
| 293 |
Tu = ri[WS(rs, 4)];
|
| 294 |
Tw = ii[WS(rs, 4)];
|
| 295 |
Tt = W[6];
|
| 296 |
Tv = W[7];
|
| 297 |
Tx = FMA(Tt, Tu, Tv * Tw); |
| 298 |
TE = FNMS(Tv, Tu, Tt * Tw); |
| 299 |
} |
| 300 |
Ty = Ts + Tx; |
| 301 |
TU = Tx - Ts; |
| 302 |
TF = TD - TE; |
| 303 |
TQ = TD + TE; |
| 304 |
} |
| 305 |
ri[0] = T1 + Tc + Tn + Ty;
|
| 306 |
ii[0] = TO + TP + TQ + TR;
|
| 307 |
{
|
| 308 |
E TJ, Tz, TX, TY; |
| 309 |
TJ = FNMS(KP781831482, TF, KP974927912 * TC) - (KP433883739 * TI); |
| 310 |
Tz = FMA(KP623489801, Ty, T1) + FNMA(KP900968867, Tn, KP222520933 * Tc); |
| 311 |
ri[WS(rs, 5)] = Tz - TJ;
|
| 312 |
ri[WS(rs, 2)] = Tz + TJ;
|
| 313 |
TX = FNMS(KP781831482, TU, KP974927912 * TS) - (KP433883739 * TT); |
| 314 |
TY = FMA(KP623489801, TQ, TR) + FNMA(KP900968867, TP, KP222520933 * TO); |
| 315 |
ii[WS(rs, 2)] = TX + TY;
|
| 316 |
ii[WS(rs, 5)] = TY - TX;
|
| 317 |
} |
| 318 |
{
|
| 319 |
E TL, TK, TV, TW; |
| 320 |
TL = FMA(KP781831482, TC, KP974927912 * TI) + (KP433883739 * TF); |
| 321 |
TK = FMA(KP623489801, Tc, T1) + FNMA(KP900968867, Ty, KP222520933 * Tn); |
| 322 |
ri[WS(rs, 6)] = TK - TL;
|
| 323 |
ri[WS(rs, 1)] = TK + TL;
|
| 324 |
TV = FMA(KP781831482, TS, KP974927912 * TT) + (KP433883739 * TU); |
| 325 |
TW = FMA(KP623489801, TO, TR) + FNMA(KP900968867, TQ, KP222520933 * TP); |
| 326 |
ii[WS(rs, 1)] = TV + TW;
|
| 327 |
ii[WS(rs, 6)] = TW - TV;
|
| 328 |
} |
| 329 |
{
|
| 330 |
E TN, TM, TZ, T10; |
| 331 |
TN = FMA(KP433883739, TC, KP974927912 * TF) - (KP781831482 * TI); |
| 332 |
TM = FMA(KP623489801, Tn, T1) + FNMA(KP222520933, Ty, KP900968867 * Tc); |
| 333 |
ri[WS(rs, 4)] = TM - TN;
|
| 334 |
ri[WS(rs, 3)] = TM + TN;
|
| 335 |
TZ = FMA(KP433883739, TS, KP974927912 * TU) - (KP781831482 * TT); |
| 336 |
T10 = FMA(KP623489801, TP, TR) + FNMA(KP222520933, TQ, KP900968867 * TO); |
| 337 |
ii[WS(rs, 3)] = TZ + T10;
|
| 338 |
ii[WS(rs, 4)] = T10 - TZ;
|
| 339 |
} |
| 340 |
} |
| 341 |
} |
| 342 |
} |
| 343 |
|
| 344 |
static const tw_instr twinstr[] = { |
| 345 |
{TW_FULL, 0, 7},
|
| 346 |
{TW_NEXT, 1, 0}
|
| 347 |
}; |
| 348 |
|
| 349 |
static const ct_desc desc = { 7, "t1_7", twinstr, &GENUS, {36, 24, 36, 0}, 0, 0, 0 }; |
| 350 |
|
| 351 |
void X(codelet_t1_7) (planner *p) {
|
| 352 |
X(kdft_dit_register) (p, t1_7, &desc); |
| 353 |
} |
| 354 |
#endif
|