furnace/extern/fftw/rdft/scalar/r2cf/r2cfII_6.c

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/*
* 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 6 -name r2cfII_6 -dft-II -include rdft/scalar/r2cfII.h */
/*
* This function contains 13 FP additions, 6 FP multiplications,
* (or, 7 additions, 0 multiplications, 6 fused multiply/add),
* 15 stack variables, 2 constants, and 12 memory accesses
*/
#include "rdft/scalar/r2cfII.h"
static void r2cfII_6(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
{
DK(KP866025403, +0.866025403784438646763723170752936183471402627);
DK(KP500000000, +0.500000000000000000000000000000000000000000000);
{
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(24, rs), MAKE_VOLATILE_STRIDE(24, csr), MAKE_VOLATILE_STRIDE(24, csi)) {
E T1, T9, T2, T3, T4, Tc, T8, Ta, T6, T7, T5, Tb;
T1 = R0[0];
T9 = R1[WS(rs, 1)];
T2 = R0[WS(rs, 2)];
T3 = R0[WS(rs, 1)];
T4 = T3 - T2;
Tc = T2 + T3;
T6 = R1[WS(rs, 2)];
T7 = R1[0];
T8 = T6 - T7;
Ta = T6 + T7;
Ci[WS(csi, 1)] = T9 - Ta;
Cr[WS(csr, 1)] = T1 + T2 - T3;
T5 = FMA(KP500000000, T4, T1);
Cr[0] = FNMS(KP866025403, T8, T5);
Cr[WS(csr, 2)] = FMA(KP866025403, T8, T5);
Tb = FMA(KP500000000, Ta, T9);
Ci[0] = -(FMA(KP866025403, Tc, Tb));
Ci[WS(csi, 2)] = FMS(KP866025403, Tc, Tb);
}
}
}
static const kr2c_desc desc = { 6, "r2cfII_6", { 7, 0, 6, 0 }, &GENUS };
void X(codelet_r2cfII_6) (planner *p) { X(kr2c_register) (p, r2cfII_6, &desc);
}
#else
/* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 6 -name r2cfII_6 -dft-II -include rdft/scalar/r2cfII.h */
/*
* This function contains 13 FP additions, 4 FP multiplications,
* (or, 11 additions, 2 multiplications, 2 fused multiply/add),
* 14 stack variables, 2 constants, and 12 memory accesses
*/
#include "rdft/scalar/r2cfII.h"
static void r2cfII_6(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
{
DK(KP500000000, +0.500000000000000000000000000000000000000000000);
DK(KP866025403, +0.866025403784438646763723170752936183471402627);
{
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(24, rs), MAKE_VOLATILE_STRIDE(24, csr), MAKE_VOLATILE_STRIDE(24, csi)) {
E Ta, T7, T9, T1, T3, T2, T8, T4, T5, T6, Tb;
Ta = R1[WS(rs, 1)];
T5 = R1[WS(rs, 2)];
T6 = R1[0];
T7 = KP866025403 * (T5 - T6);
T9 = T5 + T6;
T1 = R0[0];
T3 = R0[WS(rs, 1)];
T2 = R0[WS(rs, 2)];
T8 = KP866025403 * (T2 + T3);
T4 = FMA(KP500000000, T3 - T2, T1);
Cr[0] = T4 - T7;
Tb = FMA(KP500000000, T9, Ta);
Ci[0] = -(T8 + Tb);
Ci[WS(csi, 2)] = T8 - Tb;
Cr[WS(csr, 2)] = T4 + T7;
Ci[WS(csi, 1)] = Ta - T9;
Cr[WS(csr, 1)] = T1 + T2 - T3;
}
}
}
static const kr2c_desc desc = { 6, "r2cfII_6", { 11, 2, 2, 0 }, &GENUS };
void X(codelet_r2cfII_6) (planner *p) { X(kr2c_register) (p, r2cfII_6, &desc);
}
#endif