mirror of
https://github.com/tildearrow/furnace.git
synced 2024-12-01 00:43:02 +00:00
126 lines
4.5 KiB
C
126 lines
4.5 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 10:46:24 EDT 2021 */
|
|
|
|
#include "rdft/codelet-rdft.h"
|
|
|
|
#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
|
|
|
|
/* Generated by: ../../../genfft/gen_r2cf.native -fma -compact -variables 4 -pipeline-latency 4 -n 5 -name r2cfII_5 -dft-II -include rdft/scalar/r2cfII.h */
|
|
|
|
/*
|
|
* This function contains 12 FP additions, 7 FP multiplications,
|
|
* (or, 7 additions, 2 multiplications, 5 fused multiply/add),
|
|
* 17 stack variables, 4 constants, and 10 memory accesses
|
|
*/
|
|
#include "rdft/scalar/r2cfII.h"
|
|
|
|
static void r2cfII_5(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
|
|
{
|
|
DK(KP559016994, +0.559016994374947424102293417182819058860154590);
|
|
DK(KP250000000, +0.250000000000000000000000000000000000000000000);
|
|
DK(KP618033988, +0.618033988749894848204586834365638117720309180);
|
|
DK(KP951056516, +0.951056516295153572116439333379382143405698634);
|
|
{
|
|
INT i;
|
|
for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(20, rs), MAKE_VOLATILE_STRIDE(20, csr), MAKE_VOLATILE_STRIDE(20, csi)) {
|
|
E T1, T4, T7, T8, Tc, Tb, T9, Ta;
|
|
T1 = R0[0];
|
|
{
|
|
E T2, T3, T5, T6;
|
|
T2 = R0[WS(rs, 1)];
|
|
T3 = R1[WS(rs, 1)];
|
|
T4 = T2 - T3;
|
|
T5 = R0[WS(rs, 2)];
|
|
T6 = R1[0];
|
|
T7 = T5 - T6;
|
|
T8 = T4 + T7;
|
|
Tc = T5 + T6;
|
|
Tb = T2 + T3;
|
|
}
|
|
Cr[WS(csr, 2)] = T1 + T8;
|
|
Ci[WS(csi, 1)] = -(KP951056516 * (FNMS(KP618033988, Tb, Tc)));
|
|
Ci[0] = -(KP951056516 * (FMA(KP618033988, Tc, Tb)));
|
|
T9 = FNMS(KP250000000, T8, T1);
|
|
Ta = T4 - T7;
|
|
Cr[0] = FMA(KP559016994, Ta, T9);
|
|
Cr[WS(csr, 1)] = FNMS(KP559016994, Ta, T9);
|
|
}
|
|
}
|
|
}
|
|
|
|
static const kr2c_desc desc = { 5, "r2cfII_5", { 7, 2, 5, 0 }, &GENUS };
|
|
|
|
void X(codelet_r2cfII_5) (planner *p) { X(kr2c_register) (p, r2cfII_5, &desc);
|
|
}
|
|
|
|
#else
|
|
|
|
/* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 5 -name r2cfII_5 -dft-II -include rdft/scalar/r2cfII.h */
|
|
|
|
/*
|
|
* This function contains 12 FP additions, 6 FP multiplications,
|
|
* (or, 9 additions, 3 multiplications, 3 fused multiply/add),
|
|
* 17 stack variables, 4 constants, and 10 memory accesses
|
|
*/
|
|
#include "rdft/scalar/r2cfII.h"
|
|
|
|
static void r2cfII_5(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
|
|
{
|
|
DK(KP250000000, +0.250000000000000000000000000000000000000000000);
|
|
DK(KP559016994, +0.559016994374947424102293417182819058860154590);
|
|
DK(KP951056516, +0.951056516295153572116439333379382143405698634);
|
|
DK(KP587785252, +0.587785252292473129168705954639072768597652438);
|
|
{
|
|
INT i;
|
|
for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(20, rs), MAKE_VOLATILE_STRIDE(20, csr), MAKE_VOLATILE_STRIDE(20, csi)) {
|
|
E T8, T3, T6, T9, Tc, Tb, T7, Ta;
|
|
T8 = R0[0];
|
|
{
|
|
E T1, T2, T4, T5;
|
|
T1 = R0[WS(rs, 1)];
|
|
T2 = R1[WS(rs, 1)];
|
|
T3 = T1 - T2;
|
|
T4 = R0[WS(rs, 2)];
|
|
T5 = R1[0];
|
|
T6 = T4 - T5;
|
|
T9 = T3 + T6;
|
|
Tc = T4 + T5;
|
|
Tb = T1 + T2;
|
|
}
|
|
Cr[WS(csr, 2)] = T8 + T9;
|
|
Ci[WS(csi, 1)] = FNMS(KP951056516, Tc, KP587785252 * Tb);
|
|
Ci[0] = -(FMA(KP951056516, Tb, KP587785252 * Tc));
|
|
T7 = KP559016994 * (T3 - T6);
|
|
Ta = FNMS(KP250000000, T9, T8);
|
|
Cr[0] = T7 + Ta;
|
|
Cr[WS(csr, 1)] = Ta - T7;
|
|
}
|
|
}
|
|
}
|
|
|
|
static const kr2c_desc desc = { 5, "r2cfII_5", { 9, 3, 3, 0 }, &GENUS };
|
|
|
|
void X(codelet_r2cfII_5) (planner *p) { X(kr2c_register) (p, r2cfII_5, &desc);
|
|
}
|
|
|
|
#endif
|