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root / src / fftw-3.3.8 / dft / scalar / codelets / t1_8.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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/* 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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#include "dft/codelet-dft.h" |
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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 8 -name t1_8 -include dft/scalar/t.h */
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/*
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* This function contains 66 FP additions, 36 FP multiplications,
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* (or, 44 additions, 14 multiplications, 22 fused multiply/add),
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* 34 stack variables, 1 constants, and 32 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_8(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) |
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{
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DK(KP707106781, +0.707106781186547524400844362104849039284835938); |
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{
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INT m; |
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for (m = mb, W = W + (mb * 14); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 14, MAKE_VOLATILE_STRIDE(16, rs)) { |
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E T1, T1m, T7, T1l, Tk, TS, Te, TQ, TF, T14, TL, T16, T12, T17, Ts; |
| 44 |
E TX, Ty, TZ, TV, T10; |
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T1 = ri[0];
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T1m = ii[0];
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{
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E T3, T6, T4, T1k, T2, T5; |
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T3 = ri[WS(rs, 4)];
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T6 = ii[WS(rs, 4)];
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T2 = W[6];
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T4 = T2 * T3; |
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T1k = T2 * T6; |
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T5 = W[7];
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T7 = FMA(T5, T6, T4); |
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T1l = FNMS(T5, T3, T1k); |
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} |
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{
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E Tg, Tj, Th, TR, Tf, Ti; |
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Tg = ri[WS(rs, 6)];
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Tj = ii[WS(rs, 6)];
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Tf = W[10];
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Th = Tf * Tg; |
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TR = Tf * Tj; |
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Ti = W[11];
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Tk = FMA(Ti, Tj, Th); |
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TS = FNMS(Ti, Tg, TR); |
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} |
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{
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E Ta, Td, Tb, TP, T9, Tc; |
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Ta = ri[WS(rs, 2)];
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Td = ii[WS(rs, 2)];
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T9 = W[2];
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Tb = T9 * Ta; |
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TP = T9 * Td; |
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Tc = W[3];
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Te = FMA(Tc, Td, Tb); |
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TQ = FNMS(Tc, Ta, TP); |
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} |
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{
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E TB, TE, TC, T13, TH, TK, TI, T15, TA, TG, TD, TJ; |
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TB = ri[WS(rs, 7)];
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TE = ii[WS(rs, 7)];
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TA = W[12];
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TC = TA * TB; |
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T13 = TA * TE; |
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TH = ri[WS(rs, 3)];
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TK = ii[WS(rs, 3)];
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TG = W[4];
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TI = TG * TH; |
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T15 = TG * TK; |
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TD = W[13];
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TF = FMA(TD, TE, TC); |
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T14 = FNMS(TD, TB, T13); |
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TJ = W[5];
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TL = FMA(TJ, TK, TI); |
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T16 = FNMS(TJ, TH, T15); |
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T12 = TF - TL; |
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T17 = T14 - T16; |
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} |
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{
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E To, Tr, Tp, TW, Tu, Tx, Tv, TY, Tn, Tt, Tq, Tw; |
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To = ri[WS(rs, 1)];
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Tr = ii[WS(rs, 1)];
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Tn = W[0];
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Tp = Tn * To; |
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TW = Tn * Tr; |
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Tu = ri[WS(rs, 5)];
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Tx = ii[WS(rs, 5)];
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Tt = W[8];
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Tv = Tt * Tu; |
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TY = Tt * Tx; |
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Tq = W[1];
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Ts = FMA(Tq, Tr, Tp); |
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TX = FNMS(Tq, To, TW); |
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Tw = W[9];
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Ty = FMA(Tw, Tx, Tv); |
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TZ = FNMS(Tw, Tu, TY); |
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TV = Ts - Ty; |
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T10 = TX - TZ; |
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} |
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{
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E TU, T1a, T1t, T1v, T19, T1w, T1d, T1u; |
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{
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E TO, TT, T1r, T1s; |
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TO = T1 - T7; |
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TT = TQ - TS; |
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TU = TO + TT; |
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T1a = TO - TT; |
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T1r = T1m - T1l; |
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T1s = Te - Tk; |
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T1t = T1r - T1s; |
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T1v = T1s + T1r; |
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} |
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{
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E T11, T18, T1b, T1c; |
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T11 = TV + T10; |
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T18 = T12 - T17; |
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T19 = T11 + T18; |
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T1w = T18 - T11; |
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T1b = T10 - TV; |
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T1c = T12 + T17; |
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T1d = T1b - T1c; |
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T1u = T1b + T1c; |
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} |
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ri[WS(rs, 5)] = FNMS(KP707106781, T19, TU);
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ii[WS(rs, 5)] = FNMS(KP707106781, T1u, T1t);
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ri[WS(rs, 1)] = FMA(KP707106781, T19, TU);
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ii[WS(rs, 1)] = FMA(KP707106781, T1u, T1t);
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ri[WS(rs, 7)] = FNMS(KP707106781, T1d, T1a);
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ii[WS(rs, 7)] = FNMS(KP707106781, T1w, T1v);
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ri[WS(rs, 3)] = FMA(KP707106781, T1d, T1a);
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ii[WS(rs, 3)] = FMA(KP707106781, T1w, T1v);
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} |
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{
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E Tm, T1e, T1o, T1q, TN, T1p, T1h, T1i; |
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{
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E T8, Tl, T1j, T1n; |
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T8 = T1 + T7; |
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Tl = Te + Tk; |
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Tm = T8 + Tl; |
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T1e = T8 - Tl; |
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T1j = TQ + TS; |
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T1n = T1l + T1m; |
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T1o = T1j + T1n; |
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T1q = T1n - T1j; |
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} |
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{
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E Tz, TM, T1f, T1g; |
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Tz = Ts + Ty; |
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TM = TF + TL; |
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TN = Tz + TM; |
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T1p = TM - Tz; |
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T1f = TX + TZ; |
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T1g = T14 + T16; |
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T1h = T1f - T1g; |
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T1i = T1f + T1g; |
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} |
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ri[WS(rs, 4)] = Tm - TN;
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ii[WS(rs, 4)] = T1o - T1i;
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ri[0] = Tm + TN;
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ii[0] = T1i + T1o;
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ri[WS(rs, 6)] = T1e - T1h;
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ii[WS(rs, 6)] = T1q - T1p;
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ri[WS(rs, 2)] = T1e + T1h;
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ii[WS(rs, 2)] = T1p + T1q;
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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, 8},
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{TW_NEXT, 1, 0}
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}; |
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static const ct_desc desc = { 8, "t1_8", twinstr, &GENUS, {44, 14, 22, 0}, 0, 0, 0 }; |
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void X(codelet_t1_8) (planner *p) {
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X(kdft_dit_register) (p, t1_8, &desc); |
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} |
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#else
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/* Generated by: ../../../genfft/gen_twiddle.native -compact -variables 4 -pipeline-latency 4 -n 8 -name t1_8 -include dft/scalar/t.h */
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/*
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* This function contains 66 FP additions, 32 FP multiplications,
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* (or, 52 additions, 18 multiplications, 14 fused multiply/add),
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* 28 stack variables, 1 constants, and 32 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_8(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) |
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{
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DK(KP707106781, +0.707106781186547524400844362104849039284835938); |
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{
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INT m; |
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for (m = mb, W = W + (mb * 14); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 14, MAKE_VOLATILE_STRIDE(16, rs)) { |
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E T7, T1e, TH, T19, TF, T13, TR, TU, Ti, T1f, TK, T16, Tu, T12, TM; |
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E TP; |
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{
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E T1, T18, T6, T17; |
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T1 = ri[0];
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T18 = ii[0];
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{
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E T3, T5, T2, T4; |
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T3 = ri[WS(rs, 4)];
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T5 = ii[WS(rs, 4)];
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T2 = W[6];
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T4 = W[7];
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T6 = FMA(T2, T3, T4 * T5); |
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T17 = FNMS(T4, T3, T2 * T5); |
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} |
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T7 = T1 + T6; |
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T1e = T18 - T17; |
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TH = T1 - T6; |
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T19 = T17 + T18; |
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} |
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{
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E Tz, TS, TE, TT; |
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{
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E Tw, Ty, Tv, Tx; |
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Tw = ri[WS(rs, 7)];
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Ty = ii[WS(rs, 7)];
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Tv = W[12];
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Tx = W[13];
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Tz = FMA(Tv, Tw, Tx * Ty); |
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TS = FNMS(Tx, Tw, Tv * Ty); |
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} |
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{
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E TB, TD, TA, TC; |
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TB = ri[WS(rs, 3)];
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TD = ii[WS(rs, 3)];
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TA = W[4];
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TC = W[5];
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TE = FMA(TA, TB, TC * TD); |
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TT = FNMS(TC, TB, TA * TD); |
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} |
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TF = Tz + TE; |
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T13 = TS + TT; |
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TR = Tz - TE; |
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TU = TS - TT; |
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} |
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{
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E Tc, TI, Th, TJ; |
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{
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E T9, Tb, T8, Ta; |
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T9 = ri[WS(rs, 2)];
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Tb = ii[WS(rs, 2)];
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T8 = W[2];
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Ta = W[3];
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Tc = FMA(T8, T9, Ta * Tb); |
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TI = FNMS(Ta, T9, T8 * Tb); |
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} |
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{
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E Te, Tg, Td, Tf; |
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Te = ri[WS(rs, 6)];
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Tg = ii[WS(rs, 6)];
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Td = W[10];
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Tf = W[11];
|
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Th = FMA(Td, Te, Tf * Tg); |
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TJ = FNMS(Tf, Te, Td * Tg); |
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} |
| 284 |
Ti = Tc + Th; |
| 285 |
T1f = Tc - Th; |
| 286 |
TK = TI - TJ; |
| 287 |
T16 = TI + TJ; |
| 288 |
} |
| 289 |
{
|
| 290 |
E To, TN, Tt, TO; |
| 291 |
{
|
| 292 |
E Tl, Tn, Tk, Tm; |
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Tl = ri[WS(rs, 1)];
|
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Tn = ii[WS(rs, 1)];
|
| 295 |
Tk = W[0];
|
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Tm = W[1];
|
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To = FMA(Tk, Tl, Tm * Tn); |
| 298 |
TN = FNMS(Tm, Tl, Tk * Tn); |
| 299 |
} |
| 300 |
{
|
| 301 |
E Tq, Ts, Tp, Tr; |
| 302 |
Tq = ri[WS(rs, 5)];
|
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Ts = ii[WS(rs, 5)];
|
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Tp = W[8];
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Tr = W[9];
|
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Tt = FMA(Tp, Tq, Tr * Ts); |
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TO = FNMS(Tr, Tq, Tp * Ts); |
| 308 |
} |
| 309 |
Tu = To + Tt; |
| 310 |
T12 = TN + TO; |
| 311 |
TM = To - Tt; |
| 312 |
TP = TN - TO; |
| 313 |
} |
| 314 |
{
|
| 315 |
E Tj, TG, T1b, T1c; |
| 316 |
Tj = T7 + Ti; |
| 317 |
TG = Tu + TF; |
| 318 |
ri[WS(rs, 4)] = Tj - TG;
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| 319 |
ri[0] = Tj + TG;
|
| 320 |
{
|
| 321 |
E T15, T1a, T11, T14; |
| 322 |
T15 = T12 + T13; |
| 323 |
T1a = T16 + T19; |
| 324 |
ii[0] = T15 + T1a;
|
| 325 |
ii[WS(rs, 4)] = T1a - T15;
|
| 326 |
T11 = T7 - Ti; |
| 327 |
T14 = T12 - T13; |
| 328 |
ri[WS(rs, 6)] = T11 - T14;
|
| 329 |
ri[WS(rs, 2)] = T11 + T14;
|
| 330 |
} |
| 331 |
T1b = TF - Tu; |
| 332 |
T1c = T19 - T16; |
| 333 |
ii[WS(rs, 2)] = T1b + T1c;
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ii[WS(rs, 6)] = T1c - T1b;
|
| 335 |
{
|
| 336 |
E TX, T1g, T10, T1d, TY, TZ; |
| 337 |
TX = TH - TK; |
| 338 |
T1g = T1e - T1f; |
| 339 |
TY = TP - TM; |
| 340 |
TZ = TR + TU; |
| 341 |
T10 = KP707106781 * (TY - TZ); |
| 342 |
T1d = KP707106781 * (TY + TZ); |
| 343 |
ri[WS(rs, 7)] = TX - T10;
|
| 344 |
ii[WS(rs, 5)] = T1g - T1d;
|
| 345 |
ri[WS(rs, 3)] = TX + T10;
|
| 346 |
ii[WS(rs, 1)] = T1d + T1g;
|
| 347 |
} |
| 348 |
{
|
| 349 |
E TL, T1i, TW, T1h, TQ, TV; |
| 350 |
TL = TH + TK; |
| 351 |
T1i = T1f + T1e; |
| 352 |
TQ = TM + TP; |
| 353 |
TV = TR - TU; |
| 354 |
TW = KP707106781 * (TQ + TV); |
| 355 |
T1h = KP707106781 * (TV - TQ); |
| 356 |
ri[WS(rs, 5)] = TL - TW;
|
| 357 |
ii[WS(rs, 7)] = T1i - T1h;
|
| 358 |
ri[WS(rs, 1)] = TL + TW;
|
| 359 |
ii[WS(rs, 3)] = T1h + T1i;
|
| 360 |
} |
| 361 |
} |
| 362 |
} |
| 363 |
} |
| 364 |
} |
| 365 |
|
| 366 |
static const tw_instr twinstr[] = { |
| 367 |
{TW_FULL, 0, 8},
|
| 368 |
{TW_NEXT, 1, 0}
|
| 369 |
}; |
| 370 |
|
| 371 |
static const ct_desc desc = { 8, "t1_8", twinstr, &GENUS, {52, 18, 14, 0}, 0, 0, 0 }; |
| 372 |
|
| 373 |
void X(codelet_t1_8) (planner *p) {
|
| 374 |
X(kdft_dit_register) (p, t1_8, &desc); |
| 375 |
} |
| 376 |
#endif
|