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root / src / fftw-3.3.8 / dft / scalar / codelets / t2_5.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 08:04:25 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 -twiddle-log3 -precompute-twiddles -n 5 -name t2_5 -include dft/scalar/t.h */
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/*
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* This function contains 44 FP additions, 40 FP multiplications,
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* (or, 14 additions, 10 multiplications, 30 fused multiply/add),
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* 38 stack variables, 4 constants, and 20 memory accesses
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*/
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#include "dft/scalar/t.h" |
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static void t2_5(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) |
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{
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DK(KP951056516, +0.951056516295153572116439333379382143405698634); |
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DK(KP559016994, +0.559016994374947424102293417182819058860154590); |
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DK(KP618033988, +0.618033988749894848204586834365638117720309180); |
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DK(KP250000000, +0.250000000000000000000000000000000000000000000); |
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{
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INT m; |
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for (m = mb, W = W + (mb * 4); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 4, MAKE_VOLATILE_STRIDE(10, rs)) { |
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E T2, Ta, T8, T5, Tb, Tm, Tf, Tj, T9, Te; |
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T2 = W[0];
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Ta = W[3];
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T8 = W[2];
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T9 = T2 * T8; |
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Te = T2 * Ta; |
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T5 = W[1];
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Tb = FNMS(T5, Ta, T9); |
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Tm = FNMS(T5, T8, Te); |
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Tf = FMA(T5, T8, Te); |
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Tj = FMA(T5, Ta, T9); |
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{
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E T1, TO, T7, Th, Ti, Tz, TB, TL, To, Ts, Tt, TE, TG, TM; |
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T1 = ri[0];
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TO = ii[0];
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{
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E T3, T4, T6, Ty, Tc, Td, Tg, TA; |
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T3 = ri[WS(rs, 1)];
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T4 = T2 * T3; |
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T6 = ii[WS(rs, 1)];
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Ty = T2 * T6; |
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Tc = ri[WS(rs, 4)];
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Td = Tb * Tc; |
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Tg = ii[WS(rs, 4)];
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TA = Tb * Tg; |
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T7 = FMA(T5, T6, T4); |
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Th = FMA(Tf, Tg, Td); |
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Ti = T7 + Th; |
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Tz = FNMS(T5, T3, Ty); |
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TB = FNMS(Tf, Tc, TA); |
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TL = Tz + TB; |
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} |
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{
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E Tk, Tl, Tn, TD, Tp, Tq, Tr, TF; |
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Tk = ri[WS(rs, 2)];
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Tl = Tj * Tk; |
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Tn = ii[WS(rs, 2)];
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TD = Tj * Tn; |
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Tp = ri[WS(rs, 3)];
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Tq = T8 * Tp; |
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Tr = ii[WS(rs, 3)];
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TF = T8 * Tr; |
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To = FMA(Tm, Tn, Tl); |
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Ts = FMA(Ta, Tr, Tq); |
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Tt = To + Ts; |
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TE = FNMS(Tm, Tk, TD); |
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TG = FNMS(Ta, Tp, TF); |
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TM = TE + TG; |
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} |
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{
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E Tw, Tu, Tv, TI, TK, TC, TH, TJ, Tx; |
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Tw = Ti - Tt; |
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Tu = Ti + Tt; |
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Tv = FNMS(KP250000000, Tu, T1); |
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TC = Tz - TB; |
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TH = TE - TG; |
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TI = FMA(KP618033988, TH, TC); |
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TK = FNMS(KP618033988, TC, TH); |
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ri[0] = T1 + Tu;
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TJ = FNMS(KP559016994, Tw, Tv); |
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ri[WS(rs, 2)] = FNMS(KP951056516, TK, TJ);
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ri[WS(rs, 3)] = FMA(KP951056516, TK, TJ);
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Tx = FMA(KP559016994, Tw, Tv); |
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ri[WS(rs, 4)] = FNMS(KP951056516, TI, Tx);
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ri[WS(rs, 1)] = FMA(KP951056516, TI, Tx);
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} |
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{
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E TQ, TN, TP, TU, TW, TS, TT, TV, TR; |
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TQ = TL - TM; |
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TN = TL + TM; |
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TP = FNMS(KP250000000, TN, TO); |
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TS = T7 - Th; |
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TT = To - Ts; |
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TU = FMA(KP618033988, TT, TS); |
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TW = FNMS(KP618033988, TS, TT); |
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ii[0] = TN + TO;
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TV = FNMS(KP559016994, TQ, TP); |
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ii[WS(rs, 2)] = FMA(KP951056516, TW, TV);
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ii[WS(rs, 3)] = FNMS(KP951056516, TW, TV);
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TR = FMA(KP559016994, TQ, TP); |
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ii[WS(rs, 1)] = FNMS(KP951056516, TU, TR);
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ii[WS(rs, 4)] = FMA(KP951056516, TU, TR);
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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_CEXP, 0, 1},
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{TW_CEXP, 0, 3},
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{TW_NEXT, 1, 0}
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}; |
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static const ct_desc desc = { 5, "t2_5", twinstr, &GENUS, {14, 10, 30, 0}, 0, 0, 0 }; |
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void X(codelet_t2_5) (planner *p) {
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X(kdft_dit_register) (p, t2_5, &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 -twiddle-log3 -precompute-twiddles -n 5 -name t2_5 -include dft/scalar/t.h */
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/*
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* This function contains 44 FP additions, 32 FP multiplications,
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* (or, 30 additions, 18 multiplications, 14 fused multiply/add),
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* 37 stack variables, 4 constants, and 20 memory accesses
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*/
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#include "dft/scalar/t.h" |
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static void t2_5(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) |
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{
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DK(KP250000000, +0.250000000000000000000000000000000000000000000); |
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DK(KP559016994, +0.559016994374947424102293417182819058860154590); |
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DK(KP587785252, +0.587785252292473129168705954639072768597652438); |
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DK(KP951056516, +0.951056516295153572116439333379382143405698634); |
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{
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INT m; |
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for (m = mb, W = W + (mb * 4); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 4, MAKE_VOLATILE_STRIDE(10, rs)) { |
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E T2, T4, T7, T9, Tb, Tl, Tf, Tj; |
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{
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E T8, Te, Ta, Td; |
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T2 = W[0];
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T4 = W[1];
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T7 = W[2];
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T9 = W[3];
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T8 = T2 * T7; |
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Te = T4 * T7; |
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Ta = T4 * T9; |
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Td = T2 * T9; |
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Tb = T8 - Ta; |
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Tl = Td - Te; |
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Tf = Td + Te; |
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Tj = T8 + Ta; |
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} |
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{
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E T1, TI, Ty, TB, TN, TM, TF, TG, TH, Ti, Tr, Ts; |
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T1 = ri[0];
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TI = ii[0];
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{
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E T6, Tw, Tq, TA, Th, Tx, Tn, Tz; |
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{
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E T3, T5, To, Tp; |
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T3 = ri[WS(rs, 1)];
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T5 = ii[WS(rs, 1)];
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T6 = FMA(T2, T3, T4 * T5); |
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Tw = FNMS(T4, T3, T2 * T5); |
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To = ri[WS(rs, 3)];
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Tp = ii[WS(rs, 3)];
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Tq = FMA(T7, To, T9 * Tp); |
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TA = FNMS(T9, To, T7 * Tp); |
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} |
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{
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E Tc, Tg, Tk, Tm; |
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Tc = ri[WS(rs, 4)];
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Tg = ii[WS(rs, 4)];
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Th = FMA(Tb, Tc, Tf * Tg); |
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Tx = FNMS(Tf, Tc, Tb * Tg); |
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Tk = ri[WS(rs, 2)];
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Tm = ii[WS(rs, 2)];
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Tn = FMA(Tj, Tk, Tl * Tm); |
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Tz = FNMS(Tl, Tk, Tj * Tm); |
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} |
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Ty = Tw - Tx; |
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TB = Tz - TA; |
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TN = Tn - Tq; |
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TM = T6 - Th; |
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TF = Tw + Tx; |
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TG = Tz + TA; |
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TH = TF + TG; |
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Ti = T6 + Th; |
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Tr = Tn + Tq; |
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Ts = Ti + Tr; |
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} |
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ri[0] = T1 + Ts;
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ii[0] = TH + TI;
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{
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E TC, TE, Tv, TD, Tt, Tu; |
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TC = FMA(KP951056516, Ty, KP587785252 * TB); |
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TE = FNMS(KP587785252, Ty, KP951056516 * TB); |
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Tt = KP559016994 * (Ti - Tr); |
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Tu = FNMS(KP250000000, Ts, T1); |
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Tv = Tt + Tu; |
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TD = Tu - Tt; |
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ri[WS(rs, 4)] = Tv - TC;
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ri[WS(rs, 3)] = TD + TE;
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ri[WS(rs, 1)] = Tv + TC;
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ri[WS(rs, 2)] = TD - TE;
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} |
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{
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E TO, TP, TL, TQ, TJ, TK; |
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TO = FMA(KP951056516, TM, KP587785252 * TN); |
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TP = FNMS(KP587785252, TM, KP951056516 * TN); |
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TJ = KP559016994 * (TF - TG); |
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TK = FNMS(KP250000000, TH, TI); |
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TL = TJ + TK; |
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TQ = TK - TJ; |
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ii[WS(rs, 1)] = TL - TO;
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ii[WS(rs, 3)] = TQ - TP;
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ii[WS(rs, 4)] = TO + TL;
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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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} |
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static const tw_instr twinstr[] = { |
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{TW_CEXP, 0, 1},
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{TW_CEXP, 0, 3},
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{TW_NEXT, 1, 0}
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}; |
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static const ct_desc desc = { 5, "t2_5", twinstr, &GENUS, {30, 18, 14, 0}, 0, 0, 0 }; |
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void X(codelet_t2_5) (planner *p) {
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X(kdft_dit_register) (p, t2_5, &desc); |
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} |
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#endif
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