197 lines
5.2 KiB
C
197 lines
5.2 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 10:47:07 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_hc2c.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 4 -dif -name hc2cb_4 -include rdft/scalar/hc2cb.h */
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/*
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* This function contains 22 FP additions, 12 FP multiplications,
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* (or, 16 additions, 6 multiplications, 6 fused multiply/add),
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* 22 stack variables, 0 constants, and 16 memory accesses
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*/
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#include "rdft/scalar/hc2cb.h"
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static void hc2cb_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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{
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INT m;
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for (m = mb, W = W + ((mb - 1) * 6); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 6, MAKE_VOLATILE_STRIDE(16, rs)) {
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E T3, T6, T8, Td, Tx, Tu, Tm, Tg, Tr;
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{
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E Tb, Tc, Tq, Tk, Te, Tf, Tl, Tp;
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{
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E T1, T2, T4, T5;
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Tb = Ip[0];
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Tc = Im[WS(rs, 1)];
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Tq = Tb + Tc;
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T1 = Rp[0];
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T2 = Rm[WS(rs, 1)];
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T3 = T1 + T2;
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Tk = T1 - T2;
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Te = Ip[WS(rs, 1)];
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Tf = Im[0];
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Tl = Te + Tf;
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T4 = Rp[WS(rs, 1)];
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T5 = Rm[0];
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T6 = T4 + T5;
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Tp = T4 - T5;
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}
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T8 = T3 - T6;
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Td = Tb - Tc;
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Tx = Tq - Tp;
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Tu = Tk + Tl;
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Tm = Tk - Tl;
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Tg = Te - Tf;
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Tr = Tp + Tq;
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}
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Rp[0] = T3 + T6;
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Rm[0] = Td + Tg;
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{
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E Tn, Ts, Tj, To;
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Tj = W[0];
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Tn = Tj * Tm;
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Ts = Tj * Tr;
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To = W[1];
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Ip[0] = FNMS(To, Tr, Tn);
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Im[0] = FMA(To, Tm, Ts);
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}
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{
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E Tv, Ty, Tt, Tw;
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Tt = W[4];
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Tv = Tt * Tu;
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Ty = Tt * Tx;
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Tw = W[5];
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Ip[WS(rs, 1)] = FNMS(Tw, Tx, Tv);
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Im[WS(rs, 1)] = FMA(Tw, Tu, Ty);
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}
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{
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E Th, Ta, Ti, T7, T9;
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Th = Td - Tg;
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Ta = W[3];
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Ti = Ta * T8;
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T7 = W[2];
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T9 = T7 * T8;
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Rp[WS(rs, 1)] = FNMS(Ta, Th, T9);
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Rm[WS(rs, 1)] = FMA(T7, Th, Ti);
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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, 4 },
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{ TW_NEXT, 1, 0 }
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};
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static const hc2c_desc desc = { 4, "hc2cb_4", twinstr, &GENUS, { 16, 6, 6, 0 } };
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void X(codelet_hc2cb_4) (planner *p) {
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X(khc2c_register) (p, hc2cb_4, &desc, HC2C_VIA_RDFT);
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}
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#else
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/* Generated by: ../../../genfft/gen_hc2c.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 4 -dif -name hc2cb_4 -include rdft/scalar/hc2cb.h */
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/*
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* This function contains 22 FP additions, 12 FP multiplications,
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* (or, 16 additions, 6 multiplications, 6 fused multiply/add),
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* 13 stack variables, 0 constants, and 16 memory accesses
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*/
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#include "rdft/scalar/hc2cb.h"
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static void hc2cb_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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{
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INT m;
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for (m = mb, W = W + ((mb - 1) * 6); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 6, MAKE_VOLATILE_STRIDE(16, rs)) {
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E T3, Ti, Tc, Tn, T6, Tm, Tf, Tj;
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{
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E T1, T2, Ta, Tb;
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T1 = Rp[0];
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T2 = Rm[WS(rs, 1)];
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T3 = T1 + T2;
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Ti = T1 - T2;
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Ta = Ip[0];
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Tb = Im[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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{
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E T4, T5, Td, Te;
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T4 = Rp[WS(rs, 1)];
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T5 = Rm[0];
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T6 = T4 + T5;
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Tm = T4 - T5;
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Td = Ip[WS(rs, 1)];
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Te = Im[0];
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Tf = Td - Te;
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Tj = Td + Te;
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}
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Rp[0] = T3 + T6;
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Rm[0] = Tc + Tf;
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{
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E T8, Tg, T7, T9;
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T8 = T3 - T6;
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Tg = Tc - Tf;
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T7 = W[2];
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T9 = W[3];
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Rp[WS(rs, 1)] = FNMS(T9, Tg, T7 * T8);
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Rm[WS(rs, 1)] = FMA(T9, T8, T7 * Tg);
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}
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{
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E Tk, To, Th, Tl;
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Tk = Ti - Tj;
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To = Tm + Tn;
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Th = W[0];
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Tl = W[1];
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Ip[0] = FNMS(Tl, To, Th * Tk);
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Im[0] = FMA(Th, To, Tl * Tk);
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}
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{
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E Tq, Ts, Tp, Tr;
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Tq = Ti + Tj;
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Ts = Tn - Tm;
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Tp = W[4];
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Tr = W[5];
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Ip[WS(rs, 1)] = FNMS(Tr, Ts, Tp * Tq);
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Im[WS(rs, 1)] = FMA(Tp, Ts, Tr * Tq);
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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, 4 },
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{ TW_NEXT, 1, 0 }
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};
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static const hc2c_desc desc = { 4, "hc2cb_4", twinstr, &GENUS, { 16, 6, 6, 0 } };
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void X(codelet_hc2cb_4) (planner *p) {
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X(khc2c_register) (p, hc2cb_4, &desc, HC2C_VIA_RDFT);
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}
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#endif
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