139 lines
4 KiB
C
139 lines
4 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2003, 2007-14 Matteo Frigo
|
||
|
|
* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation; either version 2 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* This file was automatically generated --- DO NOT EDIT */
|
||
|
|
/* Generated on Tue Sep 14 10:44:24 EDT 2021 */
|
||
|
|
|
||
|
|
#include "dft/codelet-dft.h"
|
||
|
|
|
||
|
|
#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
|
||
|
|
|
||
|
|
/* Generated by: ../../../genfft/gen_notw.native -fma -compact -variables 4 -pipeline-latency 4 -n 4 -name n1_4 -include dft/scalar/n.h */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This function contains 16 FP additions, 0 FP multiplications,
|
||
|
|
* (or, 16 additions, 0 multiplications, 0 fused multiply/add),
|
||
|
|
* 13 stack variables, 0 constants, and 16 memory accesses
|
||
|
|
*/
|
||
|
|
#include "dft/scalar/n.h"
|
||
|
|
|
||
|
|
static void n1_4(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
|
||
|
|
{
|
||
|
|
{
|
||
|
|
INT i;
|
||
|
|
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)) {
|
||
|
|
E T3, Tb, T9, Tf, T6, Ta, Te, Tg;
|
||
|
|
{
|
||
|
|
E T1, T2, T7, T8;
|
||
|
|
T1 = ri[0];
|
||
|
|
T2 = ri[WS(is, 2)];
|
||
|
|
T3 = T1 + T2;
|
||
|
|
Tb = T1 - T2;
|
||
|
|
T7 = ii[0];
|
||
|
|
T8 = ii[WS(is, 2)];
|
||
|
|
T9 = T7 - T8;
|
||
|
|
Tf = T7 + T8;
|
||
|
|
}
|
||
|
|
{
|
||
|
|
E T4, T5, Tc, Td;
|
||
|
|
T4 = ri[WS(is, 1)];
|
||
|
|
T5 = ri[WS(is, 3)];
|
||
|
|
T6 = T4 + T5;
|
||
|
|
Ta = T4 - T5;
|
||
|
|
Tc = ii[WS(is, 1)];
|
||
|
|
Td = ii[WS(is, 3)];
|
||
|
|
Te = Tc - Td;
|
||
|
|
Tg = Tc + Td;
|
||
|
|
}
|
||
|
|
ro[WS(os, 2)] = T3 - T6;
|
||
|
|
io[WS(os, 2)] = Tf - Tg;
|
||
|
|
ro[0] = T3 + T6;
|
||
|
|
io[0] = Tf + Tg;
|
||
|
|
io[WS(os, 1)] = T9 - Ta;
|
||
|
|
ro[WS(os, 1)] = Tb + Te;
|
||
|
|
io[WS(os, 3)] = Ta + T9;
|
||
|
|
ro[WS(os, 3)] = Tb - Te;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static const kdft_desc desc = { 4, "n1_4", { 16, 0, 0, 0 }, &GENUS, 0, 0, 0, 0 };
|
||
|
|
|
||
|
|
void X(codelet_n1_4) (planner *p) { X(kdft_register) (p, n1_4, &desc);
|
||
|
|
}
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
/* Generated by: ../../../genfft/gen_notw.native -compact -variables 4 -pipeline-latency 4 -n 4 -name n1_4 -include dft/scalar/n.h */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This function contains 16 FP additions, 0 FP multiplications,
|
||
|
|
* (or, 16 additions, 0 multiplications, 0 fused multiply/add),
|
||
|
|
* 13 stack variables, 0 constants, and 16 memory accesses
|
||
|
|
*/
|
||
|
|
#include "dft/scalar/n.h"
|
||
|
|
|
||
|
|
static void n1_4(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
|
||
|
|
{
|
||
|
|
{
|
||
|
|
INT i;
|
||
|
|
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)) {
|
||
|
|
E T3, Tb, T9, Tf, T6, Ta, Te, Tg;
|
||
|
|
{
|
||
|
|
E T1, T2, T7, T8;
|
||
|
|
T1 = ri[0];
|
||
|
|
T2 = ri[WS(is, 2)];
|
||
|
|
T3 = T1 + T2;
|
||
|
|
Tb = T1 - T2;
|
||
|
|
T7 = ii[0];
|
||
|
|
T8 = ii[WS(is, 2)];
|
||
|
|
T9 = T7 - T8;
|
||
|
|
Tf = T7 + T8;
|
||
|
|
}
|
||
|
|
{
|
||
|
|
E T4, T5, Tc, Td;
|
||
|
|
T4 = ri[WS(is, 1)];
|
||
|
|
T5 = ri[WS(is, 3)];
|
||
|
|
T6 = T4 + T5;
|
||
|
|
Ta = T4 - T5;
|
||
|
|
Tc = ii[WS(is, 1)];
|
||
|
|
Td = ii[WS(is, 3)];
|
||
|
|
Te = Tc - Td;
|
||
|
|
Tg = Tc + Td;
|
||
|
|
}
|
||
|
|
ro[WS(os, 2)] = T3 - T6;
|
||
|
|
io[WS(os, 2)] = Tf - Tg;
|
||
|
|
ro[0] = T3 + T6;
|
||
|
|
io[0] = Tf + Tg;
|
||
|
|
io[WS(os, 1)] = T9 - Ta;
|
||
|
|
ro[WS(os, 1)] = Tb + Te;
|
||
|
|
io[WS(os, 3)] = Ta + T9;
|
||
|
|
ro[WS(os, 3)] = Tb - Te;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static const kdft_desc desc = { 4, "n1_4", { 16, 0, 0, 0 }, &GENUS, 0, 0, 0, 0 };
|
||
|
|
|
||
|
|
void X(codelet_n1_4) (planner *p) { X(kdft_register) (p, n1_4, &desc);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|