mirror of
https://github.com/tildearrow/furnace.git
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387 lines
9.9 KiB
C
387 lines
9.9 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 10:46:55 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_hc2hc.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -twiddle-log3 -precompute-twiddles -n 8 -dif -name hb2_8 -include rdft/scalar/hb.h */
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/*
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* This function contains 74 FP additions, 50 FP multiplications,
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* (or, 44 additions, 20 multiplications, 30 fused multiply/add),
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* 47 stack variables, 1 constants, and 32 memory accesses
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*/
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#include "rdft/scalar/hb.h"
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static void hb2_8(R *cr, R *ci, 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) * 6); m < me; m = m + 1, cr = cr + ms, ci = ci - ms, W = W + 6, MAKE_VOLATILE_STRIDE(16, rs)) {
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E Tf, Tg, Tl, Tp, Ti, Tj, Tk, T1b, T1u, T1e, T1o, To, Tq, TK;
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{
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E Th, T1n, T1t, Tn, Tm, TJ;
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Tf = W[0];
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Tg = W[2];
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Th = Tf * Tg;
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Tl = W[4];
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T1n = Tf * Tl;
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Tp = W[5];
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T1t = Tf * Tp;
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Ti = W[1];
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Tj = W[3];
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Tn = Tf * Tj;
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Tk = FMA(Ti, Tj, Th);
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T1b = FNMS(Ti, Tj, Th);
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T1u = FNMS(Ti, Tl, T1t);
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T1e = FMA(Ti, Tg, Tn);
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T1o = FMA(Ti, Tp, T1n);
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Tm = Tk * Tl;
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TJ = Tk * Tp;
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To = FNMS(Ti, Tg, Tn);
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Tq = FMA(To, Tp, Tm);
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TK = FNMS(To, Tl, TJ);
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}
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{
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E T7, T1p, T1v, Tv, TP, T13, T1h, TZ, Te, T1k, T1w, T1q, TQ, TR, T10;
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E TG, T14;
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{
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E T3, Tr, TO, T1f, T6, TL, Tu, T1g;
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{
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E T1, T2, TM, TN;
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T1 = cr[0];
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T2 = ci[WS(rs, 3)];
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T3 = T1 + T2;
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Tr = T1 - T2;
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TM = ci[WS(rs, 7)];
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TN = cr[WS(rs, 4)];
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TO = TM + TN;
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T1f = TM - TN;
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}
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{
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E T4, T5, Ts, Tt;
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T4 = cr[WS(rs, 2)];
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T5 = ci[WS(rs, 1)];
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T6 = T4 + T5;
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TL = T4 - T5;
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Ts = ci[WS(rs, 5)];
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Tt = cr[WS(rs, 6)];
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Tu = Ts + Tt;
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T1g = Ts - Tt;
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}
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T7 = T3 + T6;
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T1p = T3 - T6;
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T1v = T1f - T1g;
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Tv = Tr - Tu;
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TP = TL + TO;
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T13 = TO - TL;
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T1h = T1f + T1g;
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TZ = Tr + Tu;
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}
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{
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E Ta, Tw, TE, T1j, Td, TB, Tz, T1i, TA, TF;
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{
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E T8, T9, TC, TD;
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T8 = cr[WS(rs, 1)];
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T9 = ci[WS(rs, 2)];
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Ta = T8 + T9;
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Tw = T8 - T9;
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TC = ci[WS(rs, 4)];
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TD = cr[WS(rs, 7)];
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TE = TC + TD;
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T1j = TC - TD;
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}
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{
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E Tb, Tc, Tx, Ty;
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Tb = ci[0];
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Tc = cr[WS(rs, 3)];
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Td = Tb + Tc;
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TB = Tb - Tc;
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Tx = ci[WS(rs, 6)];
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Ty = cr[WS(rs, 5)];
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Tz = Tx + Ty;
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T1i = Tx - Ty;
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}
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Te = Ta + Td;
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T1k = T1i + T1j;
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T1w = Ta - Td;
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T1q = T1j - T1i;
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TQ = Tw + Tz;
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TR = TB + TE;
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T10 = TQ + TR;
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TA = Tw - Tz;
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TF = TB - TE;
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TG = TA + TF;
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T14 = TA - TF;
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}
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cr[0] = T7 + Te;
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ci[0] = T1h + T1k;
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{
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E T11, T12, T15, T16;
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T11 = FNMS(KP707106781, T10, TZ);
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T12 = Tg * T11;
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T15 = FMA(KP707106781, T14, T13);
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T16 = Tg * T15;
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cr[WS(rs, 3)] = FNMS(Tj, T15, T12);
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ci[WS(rs, 3)] = FMA(Tj, T11, T16);
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}
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{
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E T1z, T1A, T1B, T1C;
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T1z = T1p + T1q;
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T1A = Tk * T1z;
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T1B = T1w + T1v;
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T1C = Tk * T1B;
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cr[WS(rs, 2)] = FNMS(To, T1B, T1A);
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ci[WS(rs, 2)] = FMA(To, T1z, T1C);
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}
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{
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E T17, T18, T19, T1a;
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T17 = FMA(KP707106781, T10, TZ);
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T18 = Tl * T17;
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T19 = FNMS(KP707106781, T14, T13);
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T1a = Tl * T19;
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cr[WS(rs, 7)] = FNMS(Tp, T19, T18);
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ci[WS(rs, 7)] = FMA(Tp, T17, T1a);
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}
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{
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E T1l, T1d, T1m, T1c;
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T1l = T1h - T1k;
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T1c = T7 - Te;
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T1d = T1b * T1c;
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T1m = T1e * T1c;
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cr[WS(rs, 4)] = FNMS(T1e, T1l, T1d);
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ci[WS(rs, 4)] = FMA(T1b, T1l, T1m);
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}
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{
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E T1r, T1s, T1x, T1y;
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T1r = T1p - T1q;
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T1s = T1o * T1r;
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T1x = T1v - T1w;
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T1y = T1o * T1x;
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cr[WS(rs, 6)] = FNMS(T1u, T1x, T1s);
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ci[WS(rs, 6)] = FMA(T1u, T1r, T1y);
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}
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{
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E TT, TX, TW, TY, TI, TU, TS, TV, TH;
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TS = TQ - TR;
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TT = FNMS(KP707106781, TS, TP);
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TX = FMA(KP707106781, TS, TP);
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TV = FMA(KP707106781, TG, Tv);
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TW = Tf * TV;
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TY = Ti * TV;
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TH = FNMS(KP707106781, TG, Tv);
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TI = Tq * TH;
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TU = TK * TH;
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cr[WS(rs, 5)] = FNMS(TK, TT, TI);
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ci[WS(rs, 5)] = FMA(Tq, TT, TU);
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cr[WS(rs, 1)] = FNMS(Ti, TX, TW);
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ci[WS(rs, 1)] = FMA(Tf, TX, TY);
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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, 1, 1 },
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{ TW_CEXP, 1, 3 },
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{ TW_CEXP, 1, 7 },
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{ TW_NEXT, 1, 0 }
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};
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static const hc2hc_desc desc = { 8, "hb2_8", twinstr, &GENUS, { 44, 20, 30, 0 } };
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void X(codelet_hb2_8) (planner *p) {
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X(khc2hc_register) (p, hb2_8, &desc);
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}
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#else
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/* Generated by: ../../../genfft/gen_hc2hc.native -compact -variables 4 -pipeline-latency 4 -sign 1 -twiddle-log3 -precompute-twiddles -n 8 -dif -name hb2_8 -include rdft/scalar/hb.h */
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/*
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* This function contains 74 FP additions, 44 FP multiplications,
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* (or, 56 additions, 26 multiplications, 18 fused multiply/add),
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* 46 stack variables, 1 constants, and 32 memory accesses
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*/
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#include "rdft/scalar/hb.h"
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static void hb2_8(R *cr, R *ci, 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) * 6); m < me; m = m + 1, cr = cr + ms, ci = ci - ms, W = W + 6, MAKE_VOLATILE_STRIDE(16, rs)) {
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E Tf, Ti, Tg, Tj, Tl, Tp, TP, TR, TF, TG, TH, T15, TL, TT;
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{
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E Th, To, Tk, Tn;
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Tf = W[0];
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Ti = W[1];
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Tg = W[2];
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Tj = W[3];
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Th = Tf * Tg;
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To = Ti * Tg;
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Tk = Ti * Tj;
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Tn = Tf * Tj;
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Tl = Th - Tk;
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Tp = Tn + To;
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TP = Th + Tk;
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TR = Tn - To;
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TF = W[4];
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TG = W[5];
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TH = FMA(Tf, TF, Ti * TG);
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T15 = FNMS(TR, TF, TP * TG);
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TL = FNMS(Ti, TF, Tf * TG);
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TT = FMA(TP, TF, TR * TG);
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}
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{
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E T7, T1f, T1i, Tw, TI, TW, T18, TM, Te, T19, T1a, TD, TJ, TZ, T12;
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E TN, Tm, TE;
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{
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E T3, TU, Tv, TV, T6, T16, Ts, T17;
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{
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E T1, T2, Tt, Tu;
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T1 = cr[0];
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T2 = ci[WS(rs, 3)];
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T3 = T1 + T2;
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TU = T1 - T2;
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Tt = ci[WS(rs, 5)];
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Tu = cr[WS(rs, 6)];
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Tv = Tt - Tu;
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TV = Tt + Tu;
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}
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{
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E T4, T5, Tq, Tr;
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T4 = cr[WS(rs, 2)];
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T5 = ci[WS(rs, 1)];
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T6 = T4 + T5;
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T16 = T4 - T5;
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Tq = ci[WS(rs, 7)];
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Tr = cr[WS(rs, 4)];
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Ts = Tq - Tr;
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T17 = Tq + Tr;
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}
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T7 = T3 + T6;
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T1f = TU + TV;
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T1i = T17 - T16;
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Tw = Ts + Tv;
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TI = T3 - T6;
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TW = TU - TV;
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T18 = T16 + T17;
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TM = Ts - Tv;
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}
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{
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E Ta, TX, TC, T11, Td, T10, Tz, TY;
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{
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E T8, T9, TA, TB;
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T8 = cr[WS(rs, 1)];
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T9 = ci[WS(rs, 2)];
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Ta = T8 + T9;
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TX = T8 - T9;
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TA = ci[WS(rs, 4)];
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TB = cr[WS(rs, 7)];
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TC = TA - TB;
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T11 = TA + TB;
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}
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{
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E Tb, Tc, Tx, Ty;
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Tb = ci[0];
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Tc = cr[WS(rs, 3)];
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Td = Tb + Tc;
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T10 = Tb - Tc;
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Tx = ci[WS(rs, 6)];
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Ty = cr[WS(rs, 5)];
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Tz = Tx - Ty;
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TY = Tx + Ty;
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}
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Te = Ta + Td;
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T19 = TX + TY;
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T1a = T10 + T11;
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TD = Tz + TC;
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TJ = TC - Tz;
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TZ = TX - TY;
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T12 = T10 - T11;
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TN = Ta - Td;
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}
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cr[0] = T7 + Te;
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ci[0] = Tw + TD;
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Tm = T7 - Te;
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TE = Tw - TD;
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cr[WS(rs, 4)] = FNMS(Tp, TE, Tl * Tm);
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ci[WS(rs, 4)] = FMA(Tp, Tm, Tl * TE);
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{
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E TQ, TS, TK, TO;
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TQ = TI + TJ;
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TS = TN + TM;
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cr[WS(rs, 2)] = FNMS(TR, TS, TP * TQ);
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ci[WS(rs, 2)] = FMA(TP, TS, TR * TQ);
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TK = TI - TJ;
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TO = TM - TN;
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cr[WS(rs, 6)] = FNMS(TL, TO, TH * TK);
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ci[WS(rs, 6)] = FMA(TH, TO, TL * TK);
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}
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{
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E T1h, T1l, T1k, T1m, T1g, T1j;
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T1g = KP707106781 * (T19 + T1a);
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T1h = T1f - T1g;
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T1l = T1f + T1g;
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T1j = KP707106781 * (TZ - T12);
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T1k = T1i + T1j;
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T1m = T1i - T1j;
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cr[WS(rs, 3)] = FNMS(Tj, T1k, Tg * T1h);
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ci[WS(rs, 3)] = FMA(Tg, T1k, Tj * T1h);
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cr[WS(rs, 7)] = FNMS(TG, T1m, TF * T1l);
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ci[WS(rs, 7)] = FMA(TF, T1m, TG * T1l);
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}
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{
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E T14, T1d, T1c, T1e, T13, T1b;
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T13 = KP707106781 * (TZ + T12);
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T14 = TW - T13;
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T1d = TW + T13;
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T1b = KP707106781 * (T19 - T1a);
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T1c = T18 - T1b;
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T1e = T18 + T1b;
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cr[WS(rs, 5)] = FNMS(T15, T1c, TT * T14);
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ci[WS(rs, 5)] = FMA(T15, T14, TT * T1c);
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cr[WS(rs, 1)] = FNMS(Ti, T1e, Tf * T1d);
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ci[WS(rs, 1)] = FMA(Ti, T1d, Tf * T1e);
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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, 1, 1 },
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{ TW_CEXP, 1, 3 },
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{ TW_CEXP, 1, 7 },
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{ TW_NEXT, 1, 0 }
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};
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static const hc2hc_desc desc = { 8, "hb2_8", twinstr, &GENUS, { 56, 26, 18, 0 } };
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void X(codelet_hb2_8) (planner *p) {
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X(khc2hc_register) (p, hb2_8, &desc);
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}
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#endif
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