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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/r2cf/r2cf_4.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 10:46:10 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 4 -name r2cf_4 -include rdft/scalar/r2cf.h */
/*
* This function contains 6 FP additions, 0 FP multiplications,
* (or, 6 additions, 0 multiplications, 0 fused multiply/add),
* 7 stack variables, 0 constants, and 8 memory accesses
*/
#include "rdft/scalar/r2cf.h"
static void r2cf_4(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
{
{
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(16, rs), MAKE_VOLATILE_STRIDE(16, csr), MAKE_VOLATILE_STRIDE(16, csi)) {
E T1, T2, T3, T4, T5, T6;
T1 = R0[0];
T2 = R0[WS(rs, 1)];
T3 = T1 + T2;
T4 = R1[0];
T5 = R1[WS(rs, 1)];
T6 = T4 + T5;
Cr[WS(csr, 1)] = T1 - T2;
Ci[WS(csi, 1)] = T5 - T4;
Cr[WS(csr, 2)] = T3 - T6;
Cr[0] = T3 + T6;
}
}
}
static const kr2c_desc desc = { 4, "r2cf_4", { 6, 0, 0, 0 }, &GENUS };
void X(codelet_r2cf_4) (planner *p) { X(kr2c_register) (p, r2cf_4, &desc);
}
#else
/* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 4 -name r2cf_4 -include rdft/scalar/r2cf.h */
/*
* This function contains 6 FP additions, 0 FP multiplications,
* (or, 6 additions, 0 multiplications, 0 fused multiply/add),
* 7 stack variables, 0 constants, and 8 memory accesses
*/
#include "rdft/scalar/r2cf.h"
static void r2cf_4(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
{
{
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(16, rs), MAKE_VOLATILE_STRIDE(16, csr), MAKE_VOLATILE_STRIDE(16, csi)) {
E T1, T2, T3, T4, T5, T6;
T1 = R0[0];
T2 = R0[WS(rs, 1)];
T3 = T1 + T2;
T4 = R1[0];
T5 = R1[WS(rs, 1)];
T6 = T4 + T5;
Cr[WS(csr, 1)] = T1 - T2;
Ci[WS(csi, 1)] = T5 - T4;
Cr[WS(csr, 2)] = T3 - T6;
Cr[0] = T3 + T6;
}
}
}
static const kr2c_desc desc = { 4, "r2cf_4", { 6, 0, 0, 0 }, &GENUS };
void X(codelet_r2cf_4) (planner *p) { X(kr2c_register) (p, r2cf_4, &desc);
}
#endif