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This commit is contained in:
Sergey Lapin
2025-07-12 12:17:44 +03:00
parent c759f60ff7
commit 792e1b937a
3507 changed files with 492613 additions and 0 deletions
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fftw-3.3.10/rdft/scalar/r2cb/r2cbIII_6.c Normal file
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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 10:46:59 EDT 2021 */
#include "rdft/codelet-rdft.h"
#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
/* Generated by: ../../../genfft/gen_r2cb.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 6 -name r2cbIII_6 -dft-III -include rdft/scalar/r2cbIII.h */
/*
* This function contains 12 FP additions, 8 FP multiplications,
* (or, 6 additions, 2 multiplications, 6 fused multiply/add),
* 15 stack variables, 2 constants, and 12 memory accesses
*/
#include "rdft/scalar/r2cbIII.h"
static void r2cbIII_6(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
{
DK(KP1_732050807, +1.732050807568877293527446341505872366942805254);
DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
{
INT i;
for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(24, rs), MAKE_VOLATILE_STRIDE(24, csr), MAKE_VOLATILE_STRIDE(24, csi)) {
E T1, T8, T4, Ta, T7, Tc, T9, Tb;
T1 = Cr[WS(csr, 1)];
T8 = Ci[WS(csi, 1)];
{
E T2, T3, T5, T6;
T2 = Cr[WS(csr, 2)];
T3 = Cr[0];
T4 = T2 + T3;
Ta = T2 - T3;
T5 = Ci[WS(csi, 2)];
T6 = Ci[0];
T7 = T5 + T6;
Tc = T5 - T6;
}
R0[0] = KP2_000000000 * (T1 + T4);
R1[WS(rs, 1)] = KP2_000000000 * (T8 - T7);
T9 = FMA(KP2_000000000, T8, T7);
R1[0] = -(FMA(KP1_732050807, Ta, T9));
R1[WS(rs, 2)] = FMS(KP1_732050807, Ta, T9);
Tb = FNMS(KP2_000000000, T1, T4);
R0[WS(rs, 1)] = FMA(KP1_732050807, Tc, Tb);
R0[WS(rs, 2)] = FMS(KP1_732050807, Tc, Tb);
}
}
}
static const kr2c_desc desc = { 6, "r2cbIII_6", { 6, 2, 6, 0 }, &GENUS };
void X(codelet_r2cbIII_6) (planner *p) { X(kr2c_register) (p, r2cbIII_6, &desc);
}
#else
/* Generated by: ../../../genfft/gen_r2cb.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 6 -name r2cbIII_6 -dft-III -include rdft/scalar/r2cbIII.h */
/*
* This function contains 12 FP additions, 6 FP multiplications,
* (or, 10 additions, 4 multiplications, 2 fused multiply/add),
* 15 stack variables, 2 constants, and 12 memory accesses
*/
#include "rdft/scalar/r2cbIII.h"
static void r2cbIII_6(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
{
DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
DK(KP1_732050807, +1.732050807568877293527446341505872366942805254);
{
INT i;
for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(24, rs), MAKE_VOLATILE_STRIDE(24, csr), MAKE_VOLATILE_STRIDE(24, csi)) {
E T1, T6, T4, T5, T9, Tb, Ta, Tc;
T1 = Cr[WS(csr, 1)];
T6 = Ci[WS(csi, 1)];
{
E T2, T3, T7, T8;
T2 = Cr[WS(csr, 2)];
T3 = Cr[0];
T4 = T2 + T3;
T5 = KP1_732050807 * (T2 - T3);
T7 = Ci[WS(csi, 2)];
T8 = Ci[0];
T9 = T7 + T8;
Tb = KP1_732050807 * (T7 - T8);
}
R0[0] = KP2_000000000 * (T1 + T4);
R1[WS(rs, 1)] = KP2_000000000 * (T6 - T9);
Ta = FMA(KP2_000000000, T6, T9);
R1[0] = -(T5 + Ta);
R1[WS(rs, 2)] = T5 - Ta;
Tc = FMS(KP2_000000000, T1, T4);
R0[WS(rs, 1)] = Tb - Tc;
R0[WS(rs, 2)] = Tc + Tb;
}
}
}
static const kr2c_desc desc = { 6, "r2cbIII_6", { 10, 4, 2, 0 }, &GENUS };
void X(codelet_r2cbIII_6) (planner *p) { X(kr2c_register) (p, r2cbIII_6, &desc);
}
#endif