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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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131
fftw-3.3.10/rdft/scalar/r2cb/hc2cbdft_2.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 10:47:12 EDT 2021 */
#include "rdft/codelet-rdft.h"
#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
/* Generated by: ../../../genfft/gen_hc2cdft.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 2 -dif -name hc2cbdft_2 -include rdft/scalar/hc2cb.h */
/*
* This function contains 10 FP additions, 4 FP multiplications,
* (or, 8 additions, 2 multiplications, 2 fused multiply/add),
* 15 stack variables, 0 constants, and 8 memory accesses
*/
#include "rdft/scalar/hc2cb.h"
static void hc2cbdft_2(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
{
{
INT m;
for (m = mb, W = W + ((mb - 1) * 2); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 2, MAKE_VOLATILE_STRIDE(8, rs)) {
E T3, Ta, Tc, T9, Td, T4, T8, Tb, Te;
{
E T1, T2, T5, T6, T7;
T1 = Ip[0];
T2 = Im[0];
T3 = T1 - T2;
Ta = T1 + T2;
T5 = Rp[0];
T6 = Rm[0];
T7 = T5 - T6;
Tc = T5 + T6;
T9 = W[1];
Td = T9 * T7;
T4 = W[0];
T8 = T4 * T7;
}
Tb = FNMS(T9, Ta, T8);
Ip[0] = T3 + Tb;
Im[0] = Tb - T3;
Te = FMA(T4, Ta, Td);
Rp[0] = Tc - Te;
Rm[0] = Tc + Te;
}
}
}
static const tw_instr twinstr[] = {
{ TW_FULL, 1, 2 },
{ TW_NEXT, 1, 0 }
};
static const hc2c_desc desc = { 2, "hc2cbdft_2", twinstr, &GENUS, { 8, 2, 2, 0 } };
void X(codelet_hc2cbdft_2) (planner *p) {
X(khc2c_register) (p, hc2cbdft_2, &desc, HC2C_VIA_DFT);
}
#else
/* Generated by: ../../../genfft/gen_hc2cdft.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 2 -dif -name hc2cbdft_2 -include rdft/scalar/hc2cb.h */
/*
* This function contains 10 FP additions, 4 FP multiplications,
* (or, 8 additions, 2 multiplications, 2 fused multiply/add),
* 9 stack variables, 0 constants, and 8 memory accesses
*/
#include "rdft/scalar/hc2cb.h"
static void hc2cbdft_2(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
{
{
INT m;
for (m = mb, W = W + ((mb - 1) * 2); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 2, MAKE_VOLATILE_STRIDE(8, rs)) {
E T3, T9, T7, Tb;
{
E T1, T2, T5, T6;
T1 = Ip[0];
T2 = Im[0];
T3 = T1 - T2;
T9 = T1 + T2;
T5 = Rp[0];
T6 = Rm[0];
T7 = T5 - T6;
Tb = T5 + T6;
}
{
E Ta, Tc, T4, T8;
T4 = W[0];
T8 = W[1];
Ta = FNMS(T8, T9, T4 * T7);
Tc = FMA(T8, T7, T4 * T9);
Ip[0] = T3 + Ta;
Rp[0] = Tb - Tc;
Im[0] = Ta - T3;
Rm[0] = Tb + Tc;
}
}
}
}
static const tw_instr twinstr[] = {
{ TW_FULL, 1, 2 },
{ TW_NEXT, 1, 0 }
};
static const hc2c_desc desc = { 2, "hc2cbdft_2", twinstr, &GENUS, { 8, 2, 2, 0 } };
void X(codelet_hc2cbdft_2) (planner *p) {
X(khc2c_register) (p, hc2cbdft_2, &desc, HC2C_VIA_DFT);
}
#endif