mirror of
https://github.com/tildearrow/furnace.git
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221 lines
6.1 KiB
C
221 lines
6.1 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 10:46:38 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 -twiddle-log3 -precompute-twiddles -n 4 -dit -name hc2cfdft2_4 -include rdft/scalar/hc2cf.h */
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/*
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* This function contains 32 FP additions, 24 FP multiplications,
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* (or, 24 additions, 16 multiplications, 8 fused multiply/add),
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* 37 stack variables, 1 constants, and 16 memory accesses
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*/
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#include "rdft/scalar/hc2cf.h"
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static void hc2cfdft2_4(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(KP500000000, +0.500000000000000000000000000000000000000000000);
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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, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 4, MAKE_VOLATILE_STRIDE(16, rs)) {
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E T1, T5, T2, T4, T6, Tc, T3, Tb;
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T1 = W[0];
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T5 = W[3];
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T2 = W[2];
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T3 = T1 * T2;
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Tb = T1 * T5;
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T4 = W[1];
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T6 = FMA(T4, T5, T3);
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Tc = FNMS(T4, T2, Tb);
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{
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E Tj, Tp, To, TE, Tw, T9, Tt, Ta, TC, Tf, Tr, Ts, Tx;
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{
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E Th, Ti, Tl, Tm, Tn;
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Th = Ip[0];
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Ti = Im[0];
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Tj = Th - Ti;
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Tp = Th + Ti;
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Tl = Rm[0];
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Tm = Rp[0];
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Tn = Tl - Tm;
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To = T1 * Tn;
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TE = T4 * Tn;
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Tw = Tm + Tl;
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}
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{
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E T7, T8, Td, Te;
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T7 = Ip[WS(rs, 1)];
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T8 = Im[WS(rs, 1)];
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T9 = T7 - T8;
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Tt = T7 + T8;
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Ta = T6 * T9;
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TC = T2 * Tt;
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Td = Rp[WS(rs, 1)];
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Te = Rm[WS(rs, 1)];
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Tf = Td + Te;
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Tr = Td - Te;
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Ts = T2 * Tr;
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Tx = T6 * Tf;
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}
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{
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E Tk, TB, Tz, TH, Tv, TA, TG, TI, Tg, Ty;
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Tg = FNMS(Tc, Tf, Ta);
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Tk = Tg + Tj;
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TB = Tj - Tg;
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Ty = FMA(Tc, T9, Tx);
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Tz = Tw - Ty;
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TH = Tw + Ty;
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{
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E Tq, Tu, TD, TF;
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Tq = FNMS(T4, Tp, To);
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Tu = FMA(T5, Tt, Ts);
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Tv = Tq - Tu;
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TA = Tu + Tq;
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TD = FNMS(T5, Tr, TC);
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TF = FMA(T1, Tp, TE);
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TG = TD - TF;
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TI = TD + TF;
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}
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Ip[0] = KP500000000 * (Tk + Tv);
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Rp[0] = KP500000000 * (TH + TI);
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Im[WS(rs, 1)] = KP500000000 * (Tv - Tk);
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Rm[WS(rs, 1)] = KP500000000 * (TH - TI);
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Rm[0] = KP500000000 * (Tz - TA);
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Im[0] = KP500000000 * (TG - TB);
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Rp[WS(rs, 1)] = KP500000000 * (Tz + TA);
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Ip[WS(rs, 1)] = KP500000000 * (TB + TG);
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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 hc2c_desc desc = { 4, "hc2cfdft2_4", twinstr, &GENUS, { 24, 16, 8, 0 } };
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void X(codelet_hc2cfdft2_4) (planner *p) {
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X(khc2c_register) (p, hc2cfdft2_4, &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 -twiddle-log3 -precompute-twiddles -n 4 -dit -name hc2cfdft2_4 -include rdft/scalar/hc2cf.h */
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/*
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* This function contains 32 FP additions, 24 FP multiplications,
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* (or, 24 additions, 16 multiplications, 8 fused multiply/add),
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* 24 stack variables, 1 constants, and 16 memory accesses
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*/
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#include "rdft/scalar/hc2cf.h"
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static void hc2cfdft2_4(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(KP500000000, +0.500000000000000000000000000000000000000000000);
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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, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 4, MAKE_VOLATILE_STRIDE(16, rs)) {
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E T1, T3, T2, T4, T5, T9;
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T1 = W[0];
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T3 = W[1];
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T2 = W[2];
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T4 = W[3];
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T5 = FMA(T1, T2, T3 * T4);
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T9 = FNMS(T3, T2, T1 * T4);
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{
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E Tg, Tr, Tm, Tx, Td, Tw, Tp, Ts;
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{
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E Te, Tf, Tl, Ti, Tj, Tk;
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Te = Ip[0];
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Tf = Im[0];
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Tl = Te + Tf;
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Ti = Rm[0];
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Tj = Rp[0];
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Tk = Ti - Tj;
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Tg = Te - Tf;
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Tr = Tj + Ti;
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Tm = FNMS(T3, Tl, T1 * Tk);
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Tx = FMA(T3, Tk, T1 * Tl);
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}
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{
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E T8, To, Tc, Tn;
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{
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E T6, T7, Ta, Tb;
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T6 = Ip[WS(rs, 1)];
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T7 = Im[WS(rs, 1)];
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T8 = T6 - T7;
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To = T6 + T7;
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Ta = Rp[WS(rs, 1)];
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Tb = Rm[WS(rs, 1)];
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Tc = Ta + Tb;
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Tn = Ta - Tb;
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}
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Td = FNMS(T9, Tc, T5 * T8);
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Tw = FNMS(T4, Tn, T2 * To);
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Tp = FMA(T2, Tn, T4 * To);
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Ts = FMA(T5, Tc, T9 * T8);
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}
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{
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E Th, Tq, Tz, TA;
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Th = Td + Tg;
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Tq = Tm - Tp;
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Ip[0] = KP500000000 * (Th + Tq);
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Im[WS(rs, 1)] = KP500000000 * (Tq - Th);
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Tz = Tr + Ts;
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TA = Tw + Tx;
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Rm[WS(rs, 1)] = KP500000000 * (Tz - TA);
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Rp[0] = KP500000000 * (Tz + TA);
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}
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{
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E Tt, Tu, Tv, Ty;
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Tt = Tr - Ts;
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Tu = Tp + Tm;
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Rm[0] = KP500000000 * (Tt - Tu);
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Rp[WS(rs, 1)] = KP500000000 * (Tt + Tu);
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Tv = Tg - Td;
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Ty = Tw - Tx;
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Ip[WS(rs, 1)] = KP500000000 * (Tv + Ty);
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Im[0] = KP500000000 * (Ty - Tv);
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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 hc2c_desc desc = { 4, "hc2cfdft2_4", twinstr, &GENUS, { 24, 16, 8, 0 } };
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void X(codelet_hc2cfdft2_4) (planner *p) {
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X(khc2c_register) (p, hc2cfdft2_4, &desc, HC2C_VIA_DFT);
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}
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#endif
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