mirror of
https://github.com/tildearrow/furnace.git
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424 lines
10 KiB
C
424 lines
10 KiB
C
/*
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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 Tue Sep 14 10:47:12 EDT 2021 */
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#include "rdft/codelet-rdft.h"
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#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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/* Generated by: ../../../genfft/gen_hc2cdft.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 8 -dif -name hc2cbdft_8 -include rdft/scalar/hc2cb.h */
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/*
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* This function contains 82 FP additions, 36 FP multiplications,
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* (or, 60 additions, 14 multiplications, 22 fused multiply/add),
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* 41 stack variables, 1 constants, and 32 memory accesses
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*/
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#include "rdft/scalar/hc2cb.h"
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static void hc2cbdft_8(R *Rp, R *Ip, R *Rm, R *Im, 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 - 1) * 14); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 14, MAKE_VOLATILE_STRIDE(32, rs)) {
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E Tl, T1p, T1g, TM, T1k, TE, TP, T1f, T7, Te, TU, TH, T1l, Tw, T1q;
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E T1c, T1y;
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{
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E T3, TA, Tk, TN, T6, Th, TD, TO, Ta, Tm, Tp, TK, Td, Tr, Tu;
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E TL, TF, TG;
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{
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E T1, T2, Ti, Tj;
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T1 = Rp[0];
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T2 = Rm[WS(rs, 3)];
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T3 = T1 + T2;
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TA = T1 - T2;
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Ti = Ip[0];
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Tj = Im[WS(rs, 3)];
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Tk = Ti + Tj;
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TN = Ti - Tj;
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}
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{
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E T4, T5, TB, TC;
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T4 = Rp[WS(rs, 2)];
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T5 = Rm[WS(rs, 1)];
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T6 = T4 + T5;
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Th = T4 - T5;
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TB = Ip[WS(rs, 2)];
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TC = Im[WS(rs, 1)];
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TD = TB + TC;
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TO = TB - TC;
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}
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{
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E T8, T9, Tn, To;
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T8 = Rp[WS(rs, 1)];
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T9 = Rm[WS(rs, 2)];
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Ta = T8 + T9;
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Tm = T8 - T9;
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Tn = Ip[WS(rs, 1)];
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To = Im[WS(rs, 2)];
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Tp = Tn + To;
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TK = Tn - To;
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}
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{
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E Tb, Tc, Ts, Tt;
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Tb = Rm[0];
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Tc = Rp[WS(rs, 3)];
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Td = Tb + Tc;
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Tr = Tb - Tc;
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Ts = Im[0];
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Tt = Ip[WS(rs, 3)];
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Tu = Ts + Tt;
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TL = Tt - Ts;
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}
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Tl = Th + Tk;
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T1p = TA + TD;
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T1g = TN - TO;
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TM = TK + TL;
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T1k = Tk - Th;
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TE = TA - TD;
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TP = TN + TO;
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T1f = Ta - Td;
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T7 = T3 + T6;
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Te = Ta + Td;
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TU = T7 - Te;
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TF = Tm - Tp;
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TG = Tr - Tu;
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TH = TF + TG;
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T1l = TF - TG;
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{
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E Tq, Tv, T1a, T1b;
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Tq = Tm + Tp;
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Tv = Tr + Tu;
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Tw = Tq - Tv;
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T1q = Tq + Tv;
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T1a = T3 - T6;
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T1b = TL - TK;
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T1c = T1a + T1b;
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T1y = T1a - T1b;
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}
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}
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{
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E Tf, TQ, Tx, TI, Ty, TR, Tg, TJ, TS, Tz;
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Tf = T7 + Te;
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TQ = TM + TP;
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Tx = FMA(KP707106781, Tw, Tl);
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TI = FMA(KP707106781, TH, TE);
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Tg = W[0];
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Ty = Tg * Tx;
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TR = Tg * TI;
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Tz = W[1];
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TJ = FMA(Tz, TI, Ty);
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TS = FNMS(Tz, Tx, TR);
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Rp[0] = Tf - TJ;
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Ip[0] = TQ + TS;
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Rm[0] = Tf + TJ;
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Im[0] = TS - TQ;
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}
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{
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E T1B, T1A, T1J, T1x, T1z, T1E, T1H, T1F, T1L, T1D;
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T1B = T1g - T1f;
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T1A = W[11];
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T1J = T1A * T1y;
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T1x = W[10];
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T1z = T1x * T1y;
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T1E = FNMS(KP707106781, T1l, T1k);
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T1H = FMA(KP707106781, T1q, T1p);
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T1D = W[12];
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T1F = T1D * T1E;
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T1L = T1D * T1H;
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{
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E T1C, T1K, T1I, T1M, T1G;
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T1C = FNMS(T1A, T1B, T1z);
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T1K = FMA(T1x, T1B, T1J);
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T1G = W[13];
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T1I = FMA(T1G, T1H, T1F);
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T1M = FNMS(T1G, T1E, T1L);
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Rp[WS(rs, 3)] = T1C - T1I;
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Ip[WS(rs, 3)] = T1K + T1M;
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Rm[WS(rs, 3)] = T1C + T1I;
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Im[WS(rs, 3)] = T1M - T1K;
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}
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}
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{
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E TX, TW, T15, TT, TV, T10, T13, T11, T17, TZ;
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TX = TP - TM;
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TW = W[7];
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T15 = TW * TU;
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TT = W[6];
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TV = TT * TU;
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T10 = FNMS(KP707106781, Tw, Tl);
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T13 = FNMS(KP707106781, TH, TE);
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TZ = W[8];
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T11 = TZ * T10;
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T17 = TZ * T13;
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{
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E TY, T16, T14, T18, T12;
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TY = FNMS(TW, TX, TV);
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T16 = FMA(TT, TX, T15);
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T12 = W[9];
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T14 = FMA(T12, T13, T11);
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T18 = FNMS(T12, T10, T17);
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Rp[WS(rs, 2)] = TY - T14;
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Ip[WS(rs, 2)] = T16 + T18;
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Rm[WS(rs, 2)] = TY + T14;
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Im[WS(rs, 2)] = T18 - T16;
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}
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}
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{
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E T1h, T1e, T1t, T19, T1d, T1m, T1r, T1n, T1v, T1j;
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T1h = T1f + T1g;
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T1e = W[3];
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T1t = T1e * T1c;
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T19 = W[2];
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T1d = T19 * T1c;
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T1m = FMA(KP707106781, T1l, T1k);
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T1r = FNMS(KP707106781, T1q, T1p);
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T1j = W[4];
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T1n = T1j * T1m;
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T1v = T1j * T1r;
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{
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E T1i, T1u, T1s, T1w, T1o;
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T1i = FNMS(T1e, T1h, T1d);
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T1u = FMA(T19, T1h, T1t);
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T1o = W[5];
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T1s = FMA(T1o, T1r, T1n);
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T1w = FNMS(T1o, T1m, T1v);
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Rp[WS(rs, 1)] = T1i - T1s;
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Ip[WS(rs, 1)] = T1u + T1w;
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Rm[WS(rs, 1)] = T1i + T1s;
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Im[WS(rs, 1)] = T1w - T1u;
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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, 1, 8 },
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{ TW_NEXT, 1, 0 }
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};
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static const hc2c_desc desc = { 8, "hc2cbdft_8", twinstr, &GENUS, { 60, 14, 22, 0 } };
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void X(codelet_hc2cbdft_8) (planner *p) {
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X(khc2c_register) (p, hc2cbdft_8, &desc, HC2C_VIA_DFT);
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}
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#else
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/* Generated by: ../../../genfft/gen_hc2cdft.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 8 -dif -name hc2cbdft_8 -include rdft/scalar/hc2cb.h */
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/*
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* This function contains 82 FP additions, 32 FP multiplications,
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* (or, 68 additions, 18 multiplications, 14 fused multiply/add),
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* 30 stack variables, 1 constants, and 32 memory accesses
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*/
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#include "rdft/scalar/hc2cb.h"
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static void hc2cbdft_8(R *Rp, R *Ip, R *Rm, R *Im, 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 - 1) * 14); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 14, MAKE_VOLATILE_STRIDE(32, rs)) {
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E T7, T1d, T1h, Tl, TG, T14, T19, TO, Te, TL, T18, T15, TB, T1e, Tw;
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E T1i;
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{
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E T3, TC, Tk, TM, T6, Th, TF, TN;
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{
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E T1, T2, Ti, Tj;
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T1 = Rp[0];
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T2 = Rm[WS(rs, 3)];
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T3 = T1 + T2;
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TC = T1 - T2;
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Ti = Ip[0];
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Tj = Im[WS(rs, 3)];
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Tk = Ti + Tj;
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TM = Ti - Tj;
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}
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{
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E T4, T5, TD, TE;
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T4 = Rp[WS(rs, 2)];
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T5 = Rm[WS(rs, 1)];
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T6 = T4 + T5;
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Th = T4 - T5;
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TD = Ip[WS(rs, 2)];
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TE = Im[WS(rs, 1)];
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TF = TD + TE;
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TN = TD - TE;
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}
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T7 = T3 + T6;
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T1d = Tk - Th;
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T1h = TC + TF;
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Tl = Th + Tk;
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TG = TC - TF;
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T14 = T3 - T6;
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T19 = TM - TN;
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TO = TM + TN;
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}
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{
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E Ta, Tm, Tp, TJ, Td, Tr, Tu, TK;
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{
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E T8, T9, Tn, To;
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T8 = Rp[WS(rs, 1)];
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T9 = Rm[WS(rs, 2)];
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Ta = T8 + T9;
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Tm = T8 - T9;
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Tn = Ip[WS(rs, 1)];
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To = Im[WS(rs, 2)];
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Tp = Tn + To;
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TJ = Tn - To;
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}
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{
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E Tb, Tc, Ts, Tt;
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Tb = Rm[0];
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Tc = Rp[WS(rs, 3)];
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Td = Tb + Tc;
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Tr = Tb - Tc;
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Ts = Im[0];
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Tt = Ip[WS(rs, 3)];
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Tu = Ts + Tt;
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TK = Tt - Ts;
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}
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Te = Ta + Td;
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TL = TJ + TK;
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T18 = Ta - Td;
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T15 = TK - TJ;
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{
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E Tz, TA, Tq, Tv;
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Tz = Tm - Tp;
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TA = Tr - Tu;
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TB = KP707106781 * (Tz + TA);
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T1e = KP707106781 * (Tz - TA);
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Tq = Tm + Tp;
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Tv = Tr + Tu;
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Tw = KP707106781 * (Tq - Tv);
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T1i = KP707106781 * (Tq + Tv);
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}
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}
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{
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E Tf, TP, TI, TQ;
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Tf = T7 + Te;
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TP = TL + TO;
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{
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E Tx, TH, Tg, Ty;
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Tx = Tl + Tw;
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TH = TB + TG;
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Tg = W[0];
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Ty = W[1];
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TI = FMA(Tg, Tx, Ty * TH);
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TQ = FNMS(Ty, Tx, Tg * TH);
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}
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Rp[0] = Tf - TI;
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Ip[0] = TP + TQ;
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Rm[0] = Tf + TI;
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Im[0] = TQ - TP;
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}
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{
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E T1r, T1x, T1w, T1y;
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{
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E T1o, T1q, T1n, T1p;
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T1o = T14 - T15;
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T1q = T19 - T18;
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T1n = W[10];
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T1p = W[11];
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T1r = FNMS(T1p, T1q, T1n * T1o);
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T1x = FMA(T1p, T1o, T1n * T1q);
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}
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{
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E T1t, T1v, T1s, T1u;
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T1t = T1d - T1e;
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T1v = T1i + T1h;
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T1s = W[12];
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T1u = W[13];
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T1w = FMA(T1s, T1t, T1u * T1v);
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T1y = FNMS(T1u, T1t, T1s * T1v);
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}
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Rp[WS(rs, 3)] = T1r - T1w;
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Ip[WS(rs, 3)] = T1x + T1y;
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Rm[WS(rs, 3)] = T1r + T1w;
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Im[WS(rs, 3)] = T1y - T1x;
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}
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{
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E TV, T11, T10, T12;
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{
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E TS, TU, TR, TT;
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TS = T7 - Te;
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TU = TO - TL;
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TR = W[6];
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TT = W[7];
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TV = FNMS(TT, TU, TR * TS);
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T11 = FMA(TT, TS, TR * TU);
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}
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{
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E TX, TZ, TW, TY;
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TX = Tl - Tw;
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TZ = TG - TB;
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TW = W[8];
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TY = W[9];
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T10 = FMA(TW, TX, TY * TZ);
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T12 = FNMS(TY, TX, TW * TZ);
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}
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Rp[WS(rs, 2)] = TV - T10;
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Ip[WS(rs, 2)] = T11 + T12;
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Rm[WS(rs, 2)] = TV + T10;
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Im[WS(rs, 2)] = T12 - T11;
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}
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{
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E T1b, T1l, T1k, T1m;
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{
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E T16, T1a, T13, T17;
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T16 = T14 + T15;
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T1a = T18 + T19;
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T13 = W[2];
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T17 = W[3];
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T1b = FNMS(T17, T1a, T13 * T16);
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T1l = FMA(T17, T16, T13 * T1a);
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}
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{
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E T1f, T1j, T1c, T1g;
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T1f = T1d + T1e;
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T1j = T1h - T1i;
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T1c = W[4];
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T1g = W[5];
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T1k = FMA(T1c, T1f, T1g * T1j);
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T1m = FNMS(T1g, T1f, T1c * T1j);
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}
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Rp[WS(rs, 1)] = T1b - T1k;
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Ip[WS(rs, 1)] = T1l + T1m;
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Rm[WS(rs, 1)] = T1b + T1k;
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Im[WS(rs, 1)] = T1m - T1l;
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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, 1, 8 },
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{ TW_NEXT, 1, 0 }
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};
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static const hc2c_desc desc = { 8, "hc2cbdft_8", twinstr, &GENUS, { 68, 18, 14, 0 } };
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void X(codelet_hc2cbdft_8) (planner *p) {
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X(khc2c_register) (p, hc2cbdft_8, &desc, HC2C_VIA_DFT);
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}
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#endif
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