mirror of
https://github.com/tildearrow/furnace.git
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280 lines
7.8 KiB
C
280 lines
7.8 KiB
C
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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 Tue Sep 14 10:46:57 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 5 -dif -name hb2_5 -include rdft/scalar/hb.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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* 37 stack variables, 4 constants, and 20 memory accesses
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*/
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#include "rdft/scalar/hb.h"
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static void hb2_5(R *cr, R *ci, 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(KP250000000, +0.250000000000000000000000000000000000000000000);
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DK(KP618033988, +0.618033988749894848204586834365638117720309180);
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{
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INT m;
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for (m = mb, W = W + ((mb - 1) * 4); m < me; m = m + 1, cr = cr + ms, ci = ci - ms, W = W + 4, MAKE_VOLATILE_STRIDE(10, rs)) {
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E T9, TB, Tz, Tm, TC, TO, TG, TJ, TA, TF;
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T9 = W[0];
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TB = W[3];
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Tz = W[2];
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TA = T9 * Tz;
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TF = T9 * TB;
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Tm = W[1];
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TC = FNMS(Tm, TB, TA);
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TO = FNMS(Tm, Tz, TF);
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TG = FMA(Tm, Tz, TF);
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TJ = FMA(Tm, TB, TA);
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{
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E T1, Tb, TQ, Tw, T8, Ta, Tn, Tj, TL, Ts, Tq, Tr;
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{
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E T4, Tu, T7, Tv;
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T1 = cr[0];
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{
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E T2, T3, T5, T6;
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T2 = cr[WS(rs, 1)];
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T3 = ci[0];
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T4 = T2 + T3;
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Tu = T2 - T3;
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T5 = cr[WS(rs, 2)];
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T6 = ci[WS(rs, 1)];
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T7 = T5 + T6;
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Tv = T5 - T6;
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}
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Tb = T4 - T7;
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TQ = FNMS(KP618033988, Tu, Tv);
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Tw = FMA(KP618033988, Tv, Tu);
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T8 = T4 + T7;
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Ta = FNMS(KP250000000, T8, T1);
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}
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{
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E Tf, To, Ti, Tp;
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Tn = ci[WS(rs, 4)];
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{
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E Td, Te, Tg, Th;
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Td = ci[WS(rs, 3)];
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Te = cr[WS(rs, 4)];
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Tf = Td + Te;
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To = Td - Te;
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Tg = ci[WS(rs, 2)];
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Th = cr[WS(rs, 3)];
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Ti = Tg + Th;
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Tp = Tg - Th;
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}
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Tj = FMA(KP618033988, Ti, Tf);
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TL = FNMS(KP618033988, Tf, Ti);
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Ts = To - Tp;
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Tq = To + Tp;
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Tr = FNMS(KP250000000, Tq, Tn);
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}
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cr[0] = T1 + T8;
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ci[0] = Tn + Tq;
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{
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E Tk, TD, Tx, TH, Tc, Tt;
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Tc = FMA(KP559016994, Tb, Ta);
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Tk = FNMS(KP951056516, Tj, Tc);
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TD = FMA(KP951056516, Tj, Tc);
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Tt = FMA(KP559016994, Ts, Tr);
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Tx = FMA(KP951056516, Tw, Tt);
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TH = FNMS(KP951056516, Tw, Tt);
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{
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E Tl, Ty, TE, TI;
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Tl = T9 * Tk;
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cr[WS(rs, 1)] = FNMS(Tm, Tx, Tl);
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Ty = Tm * Tk;
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ci[WS(rs, 1)] = FMA(T9, Tx, Ty);
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TE = TC * TD;
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cr[WS(rs, 4)] = FNMS(TG, TH, TE);
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TI = TG * TD;
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ci[WS(rs, 4)] = FMA(TC, TH, TI);
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}
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}
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{
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E TM, TT, TR, TV, TK, TP;
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TK = FNMS(KP559016994, Tb, Ta);
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TM = FMA(KP951056516, TL, TK);
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TT = FNMS(KP951056516, TL, TK);
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TP = FNMS(KP559016994, Ts, Tr);
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TR = FNMS(KP951056516, TQ, TP);
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TV = FMA(KP951056516, TQ, TP);
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{
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E TN, TS, TU, TW;
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TN = TJ * TM;
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cr[WS(rs, 2)] = FNMS(TO, TR, TN);
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TS = TO * TM;
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ci[WS(rs, 2)] = FMA(TJ, TR, TS);
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TU = Tz * TT;
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cr[WS(rs, 3)] = FNMS(TB, TV, TU);
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TW = TB * TT;
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ci[WS(rs, 3)] = FMA(Tz, TV, TW);
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}
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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_NEXT, 1, 0 }
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};
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static const hc2hc_desc desc = { 5, "hb2_5", twinstr, &GENUS, { 14, 10, 30, 0 } };
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void X(codelet_hb2_5) (planner *p) {
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X(khc2hc_register) (p, hb2_5, &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 5 -dif -name hb2_5 -include rdft/scalar/hb.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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* 33 stack variables, 4 constants, and 20 memory accesses
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*/
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#include "rdft/scalar/hb.h"
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static void hb2_5(R *cr, R *ci, 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(KP587785252, +0.587785252292473129168705954639072768597652438);
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DK(KP951056516, +0.951056516295153572116439333379382143405698634);
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DK(KP559016994, +0.559016994374947424102293417182819058860154590);
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{
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INT m;
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for (m = mb, W = W + ((mb - 1) * 4); m < me; m = m + 1, cr = cr + ms, ci = ci - ms, W = W + 4, MAKE_VOLATILE_STRIDE(10, rs)) {
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E Th, Tk, Ti, Tl, Tn, TP, Tx, TN;
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{
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E Tj, Tw, Tm, Tv;
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Th = W[0];
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Tk = W[1];
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Ti = W[2];
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Tl = W[3];
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Tj = Th * Ti;
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Tw = Tk * Ti;
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Tm = Tk * Tl;
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Tv = Th * Tl;
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Tn = Tj + Tm;
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TP = Tv + Tw;
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Tx = Tv - Tw;
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TN = Tj - Tm;
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}
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{
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E T1, Tp, TK, TA, T8, To, T9, Tt, TI, TC, Tg, TB;
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{
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E T4, Ty, T7, Tz;
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T1 = cr[0];
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{
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E T2, T3, T5, T6;
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T2 = cr[WS(rs, 1)];
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T3 = ci[0];
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T4 = T2 + T3;
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Ty = T2 - T3;
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T5 = cr[WS(rs, 2)];
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T6 = ci[WS(rs, 1)];
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T7 = T5 + T6;
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Tz = T5 - T6;
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}
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Tp = KP559016994 * (T4 - T7);
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TK = FMA(KP951056516, Ty, KP587785252 * Tz);
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TA = FNMS(KP951056516, Tz, KP587785252 * Ty);
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T8 = T4 + T7;
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To = FNMS(KP250000000, T8, T1);
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}
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{
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E Tc, Tr, Tf, Ts;
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T9 = ci[WS(rs, 4)];
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{
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E Ta, Tb, Td, Te;
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Ta = ci[WS(rs, 3)];
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Tb = cr[WS(rs, 4)];
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Tc = Ta - Tb;
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Tr = Ta + Tb;
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Td = ci[WS(rs, 2)];
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Te = cr[WS(rs, 3)];
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Tf = Td - Te;
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Ts = Td + Te;
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}
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Tt = FNMS(KP951056516, Ts, KP587785252 * Tr);
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TI = FMA(KP951056516, Tr, KP587785252 * Ts);
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TC = KP559016994 * (Tc - Tf);
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Tg = Tc + Tf;
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TB = FNMS(KP250000000, Tg, T9);
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}
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cr[0] = T1 + T8;
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ci[0] = T9 + Tg;
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{
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E Tu, TF, TE, TG, Tq, TD;
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Tq = To - Tp;
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Tu = Tq - Tt;
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TF = Tq + Tt;
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TD = TB - TC;
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TE = TA + TD;
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TG = TD - TA;
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cr[WS(rs, 2)] = FNMS(Tx, TE, Tn * Tu);
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ci[WS(rs, 2)] = FMA(Tn, TE, Tx * Tu);
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cr[WS(rs, 3)] = FNMS(Tl, TG, Ti * TF);
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ci[WS(rs, 3)] = FMA(Ti, TG, Tl * TF);
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}
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{
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E TJ, TO, TM, TQ, TH, TL;
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TH = Tp + To;
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TJ = TH - TI;
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TO = TH + TI;
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TL = TC + TB;
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TM = TK + TL;
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TQ = TL - TK;
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cr[WS(rs, 1)] = FNMS(Tk, TM, Th * TJ);
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ci[WS(rs, 1)] = FMA(Th, TM, Tk * TJ);
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cr[WS(rs, 4)] = FNMS(TP, TQ, TN * TO);
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ci[WS(rs, 4)] = FMA(TN, TQ, TP * TO);
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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_NEXT, 1, 0 }
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};
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static const hc2hc_desc desc = { 5, "hb2_5", twinstr, &GENUS, { 30, 18, 14, 0 } };
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void X(codelet_hb2_5) (planner *p) {
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X(khc2hc_register) (p, hb2_5, &desc);
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}
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#endif
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