mirror of
https://github.com/tildearrow/furnace.git
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139 lines
4 KiB
C
139 lines
4 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 10:44:24 EDT 2021 */
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#include "dft/codelet-dft.h"
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#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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/* Generated by: ../../../genfft/gen_notw.native -fma -compact -variables 4 -pipeline-latency 4 -n 4 -name n1_4 -include dft/scalar/n.h */
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/*
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* This function contains 16 FP additions, 0 FP multiplications,
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* (or, 16 additions, 0 multiplications, 0 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 "dft/scalar/n.h"
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static void n1_4(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
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{
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{
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INT i;
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for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(16, is), MAKE_VOLATILE_STRIDE(16, os)) {
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E T3, Tb, T9, Tf, T6, Ta, Te, Tg;
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{
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E T1, T2, T7, T8;
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T1 = ri[0];
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T2 = ri[WS(is, 2)];
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T3 = T1 + T2;
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Tb = T1 - T2;
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T7 = ii[0];
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T8 = ii[WS(is, 2)];
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T9 = T7 - T8;
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Tf = T7 + T8;
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}
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{
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E T4, T5, Tc, Td;
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T4 = ri[WS(is, 1)];
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T5 = ri[WS(is, 3)];
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T6 = T4 + T5;
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Ta = T4 - T5;
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Tc = ii[WS(is, 1)];
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Td = ii[WS(is, 3)];
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Te = Tc - Td;
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Tg = Tc + Td;
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}
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ro[WS(os, 2)] = T3 - T6;
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io[WS(os, 2)] = Tf - Tg;
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ro[0] = T3 + T6;
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io[0] = Tf + Tg;
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io[WS(os, 1)] = T9 - Ta;
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ro[WS(os, 1)] = Tb + Te;
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io[WS(os, 3)] = Ta + T9;
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ro[WS(os, 3)] = Tb - Te;
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}
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}
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}
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static const kdft_desc desc = { 4, "n1_4", { 16, 0, 0, 0 }, &GENUS, 0, 0, 0, 0 };
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void X(codelet_n1_4) (planner *p) { X(kdft_register) (p, n1_4, &desc);
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}
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#else
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/* Generated by: ../../../genfft/gen_notw.native -compact -variables 4 -pipeline-latency 4 -n 4 -name n1_4 -include dft/scalar/n.h */
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/*
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* This function contains 16 FP additions, 0 FP multiplications,
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* (or, 16 additions, 0 multiplications, 0 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 "dft/scalar/n.h"
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static void n1_4(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
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{
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{
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INT i;
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for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(16, is), MAKE_VOLATILE_STRIDE(16, os)) {
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E T3, Tb, T9, Tf, T6, Ta, Te, Tg;
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{
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E T1, T2, T7, T8;
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T1 = ri[0];
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T2 = ri[WS(is, 2)];
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T3 = T1 + T2;
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Tb = T1 - T2;
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T7 = ii[0];
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T8 = ii[WS(is, 2)];
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T9 = T7 - T8;
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Tf = T7 + T8;
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}
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{
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E T4, T5, Tc, Td;
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T4 = ri[WS(is, 1)];
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T5 = ri[WS(is, 3)];
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T6 = T4 + T5;
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Ta = T4 - T5;
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Tc = ii[WS(is, 1)];
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Td = ii[WS(is, 3)];
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Te = Tc - Td;
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Tg = Tc + Td;
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}
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ro[WS(os, 2)] = T3 - T6;
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io[WS(os, 2)] = Tf - Tg;
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ro[0] = T3 + T6;
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io[0] = Tf + Tg;
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io[WS(os, 1)] = T9 - Ta;
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ro[WS(os, 1)] = Tb + Te;
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io[WS(os, 3)] = Ta + T9;
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ro[WS(os, 3)] = Tb - Te;
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}
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}
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}
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static const kdft_desc desc = { 4, "n1_4", { 16, 0, 0, 0 }, &GENUS, 0, 0, 0, 0 };
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void X(codelet_n1_4) (planner *p) { X(kdft_register) (p, n1_4, &desc);
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}
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#endif
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