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root / src / fftw-3.3.8 / dft / scalar / codelets / t1_6.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 6 -name t1_6 -include dft/scalar/t.h */
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/*
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* This function contains 46 FP additions, 32 FP multiplications,
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* (or, 24 additions, 10 multiplications, 22 fused multiply/add),
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* 31 stack variables, 2 constants, and 24 memory accesses
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*/
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#include "dft/scalar/t.h" |
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static void t1_6(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) |
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{
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DK(KP866025403, +0.866025403784438646763723170752936183471402627); |
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DK(KP500000000, +0.500000000000000000000000000000000000000000000); |
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{
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INT m; |
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for (m = mb, W = W + (mb * 10); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 10, MAKE_VOLATILE_STRIDE(12, rs)) { |
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E T1, TX, T7, TW, Tl, TR, TB, TJ, Ty, TS, TC, TO; |
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T1 = ri[0];
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TX = ii[0];
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{
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E T3, T6, T4, TV, T2, T5; |
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T3 = ri[WS(rs, 3)];
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T6 = ii[WS(rs, 3)];
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T2 = W[4];
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T4 = T2 * T3; |
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TV = T2 * T6; |
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T5 = W[5];
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T7 = FMA(T5, T6, T4); |
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TW = FNMS(T5, T3, TV); |
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} |
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{
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E Ta, Td, Tb, TF, Tg, Tj, Th, TH, T9, Tf; |
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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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TF = T9 * Td; |
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Tg = ri[WS(rs, 5)];
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Tj = ii[WS(rs, 5)];
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Tf = W[8];
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Th = Tf * Tg; |
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TH = Tf * Tj; |
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{
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E Te, TG, Tk, TI, Tc, Ti; |
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Tc = W[3];
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Te = FMA(Tc, Td, Tb); |
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TG = FNMS(Tc, Ta, TF); |
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Ti = W[9];
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Tk = FMA(Ti, Tj, Th); |
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TI = FNMS(Ti, Tg, TH); |
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Tl = Te - Tk; |
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TR = TG + TI; |
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TB = Te + Tk; |
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TJ = TG - TI; |
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} |
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} |
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{
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E Tn, Tq, To, TK, Tt, Tw, Tu, TM, Tm, Ts; |
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Tn = ri[WS(rs, 4)];
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Tq = ii[WS(rs, 4)];
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Tm = W[6];
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To = Tm * Tn; |
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TK = Tm * Tq; |
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Tt = ri[WS(rs, 1)];
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Tw = ii[WS(rs, 1)];
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Ts = W[0];
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Tu = Ts * Tt; |
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TM = Ts * Tw; |
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{
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E Tr, TL, Tx, TN, Tp, Tv; |
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Tp = W[7];
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Tr = FMA(Tp, Tq, To); |
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TL = FNMS(Tp, Tn, TK); |
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Tv = W[1];
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Tx = FMA(Tv, Tw, Tu); |
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TN = FNMS(Tv, Tt, TM); |
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Ty = Tr - Tx; |
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TS = TL + TN; |
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TC = Tr + Tx; |
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TO = TL - TN; |
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} |
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} |
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{
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E TP, T8, Tz, TE; |
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TP = TJ - TO; |
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T8 = T1 - T7; |
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Tz = Tl + Ty; |
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TE = FNMS(KP500000000, Tz, T8); |
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ri[WS(rs, 3)] = T8 + Tz;
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ri[WS(rs, 1)] = FMA(KP866025403, TP, TE);
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ri[WS(rs, 5)] = FNMS(KP866025403, TP, TE);
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} |
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{
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E T14, T11, T12, T13; |
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T14 = Ty - Tl; |
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T11 = TX - TW; |
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T12 = TJ + TO; |
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T13 = FNMS(KP500000000, T12, T11); |
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ii[WS(rs, 1)] = FMA(KP866025403, T14, T13);
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ii[WS(rs, 3)] = T12 + T11;
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ii[WS(rs, 5)] = FNMS(KP866025403, T14, T13);
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} |
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{
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E TT, TA, TD, TQ; |
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TT = TR - TS; |
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TA = T1 + T7; |
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TD = TB + TC; |
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TQ = FNMS(KP500000000, TD, TA); |
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ri[0] = TA + TD;
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ri[WS(rs, 4)] = FMA(KP866025403, TT, TQ);
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ri[WS(rs, 2)] = FNMS(KP866025403, TT, TQ);
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} |
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{
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E T10, TU, TY, TZ; |
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T10 = TC - TB; |
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TU = TR + TS; |
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TY = TW + TX; |
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TZ = FNMS(KP500000000, TU, TY); |
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ii[0] = TU + TY;
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ii[WS(rs, 4)] = FMA(KP866025403, T10, TZ);
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ii[WS(rs, 2)] = FNMS(KP866025403, T10, TZ);
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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, 6},
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{TW_NEXT, 1, 0}
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}; |
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static const ct_desc desc = { 6, "t1_6", twinstr, &GENUS, {24, 10, 22, 0}, 0, 0, 0 }; |
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void X(codelet_t1_6) (planner *p) {
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X(kdft_dit_register) (p, t1_6, &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 6 -name t1_6 -include dft/scalar/t.h */
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/*
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* This function contains 46 FP additions, 28 FP multiplications,
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* (or, 32 additions, 14 multiplications, 14 fused multiply/add),
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* 23 stack variables, 2 constants, and 24 memory accesses
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*/
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#include "dft/scalar/t.h" |
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static void t1_6(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) |
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{
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DK(KP500000000, +0.500000000000000000000000000000000000000000000); |
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DK(KP866025403, +0.866025403784438646763723170752936183471402627); |
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{
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INT m; |
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for (m = mb, W = W + (mb * 10); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 10, MAKE_VOLATILE_STRIDE(12, rs)) { |
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E T7, TS, Tv, TO, Tt, TJ, Tx, TF, Ti, TI, Tw, TC; |
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{
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E T1, TN, T6, TM; |
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T1 = ri[0];
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TN = ii[0];
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{
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E T3, T5, T2, T4; |
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T3 = ri[WS(rs, 3)];
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T5 = ii[WS(rs, 3)];
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T2 = W[4];
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T4 = W[5];
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T6 = FMA(T2, T3, T4 * T5); |
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TM = FNMS(T4, T3, T2 * T5); |
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} |
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T7 = T1 - T6; |
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TS = TN - TM; |
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Tv = T1 + T6; |
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TO = TM + TN; |
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} |
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{
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E Tn, TD, Ts, TE; |
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{
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E Tk, Tm, Tj, Tl; |
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Tk = ri[WS(rs, 4)];
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Tm = ii[WS(rs, 4)];
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Tj = W[6];
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Tl = W[7];
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Tn = FMA(Tj, Tk, Tl * Tm); |
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TD = FNMS(Tl, Tk, Tj * Tm); |
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} |
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{
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E Tp, Tr, To, Tq; |
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Tp = ri[WS(rs, 1)];
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Tr = ii[WS(rs, 1)];
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To = W[0];
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Tq = W[1];
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Ts = FMA(To, Tp, Tq * Tr); |
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TE = FNMS(Tq, Tp, To * Tr); |
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} |
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Tt = Tn - Ts; |
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TJ = TD + TE; |
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Tx = Tn + Ts; |
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TF = TD - TE; |
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} |
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{
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E Tc, TA, Th, TB; |
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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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TA = 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, 5)];
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Tg = ii[WS(rs, 5)];
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Td = W[8];
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Tf = W[9];
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Th = FMA(Td, Te, Tf * Tg); |
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TB = FNMS(Tf, Te, Td * Tg); |
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} |
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Ti = Tc - Th; |
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TI = TA + TB; |
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Tw = Tc + Th; |
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TC = TA - TB; |
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} |
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{
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E TG, Tu, Tz, TR, TT, TU; |
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TG = KP866025403 * (TC - TF); |
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Tu = Ti + Tt; |
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Tz = FNMS(KP500000000, Tu, T7); |
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ri[WS(rs, 3)] = T7 + Tu;
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ri[WS(rs, 1)] = Tz + TG;
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ri[WS(rs, 5)] = Tz - TG;
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TR = KP866025403 * (Tt - Ti); |
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TT = TC + TF; |
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TU = FNMS(KP500000000, TT, TS); |
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ii[WS(rs, 1)] = TR + TU;
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ii[WS(rs, 3)] = TT + TS;
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ii[WS(rs, 5)] = TU - TR;
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} |
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{
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E TK, Ty, TH, TQ, TL, TP; |
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TK = KP866025403 * (TI - TJ); |
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Ty = Tw + Tx; |
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TH = FNMS(KP500000000, Ty, Tv); |
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ri[0] = Tv + Ty;
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ri[WS(rs, 4)] = TH + TK;
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ri[WS(rs, 2)] = TH - TK;
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TQ = KP866025403 * (Tx - Tw); |
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TL = TI + TJ; |
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TP = FNMS(KP500000000, TL, TO); |
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ii[0] = TL + TO;
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ii[WS(rs, 4)] = TQ + TP;
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ii[WS(rs, 2)] = TP - TQ;
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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, 6},
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{TW_NEXT, 1, 0}
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}; |
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static const ct_desc desc = { 6, "t1_6", twinstr, &GENUS, {32, 14, 14, 0}, 0, 0, 0 }; |
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void X(codelet_t1_6) (planner *p) {
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X(kdft_dit_register) (p, t1_6, &desc); |
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} |
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#endif
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