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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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117
fftw-3.3.10/rdft/scalar/r2cb/hb_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 10:46:50 EDT 2021 */
#include "rdft/codelet-rdft.h"
#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
/* Generated by: ../../../genfft/gen_hc2hc.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 2 -dif -name hb_2 -include rdft/scalar/hb.h */
/*
* This function contains 6 FP additions, 4 FP multiplications,
* (or, 4 additions, 2 multiplications, 2 fused multiply/add),
* 11 stack variables, 0 constants, and 8 memory accesses
*/
#include "rdft/scalar/hb.h"
static void hb_2(R *cr, R *ci, 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, cr = cr + ms, ci = ci - ms, W = W + 2, MAKE_VOLATILE_STRIDE(4, rs)) {
E T1, T2, T6, T3, T4, T9;
T1 = cr[0];
T2 = ci[0];
T6 = T1 - T2;
T3 = ci[WS(rs, 1)];
T4 = cr[WS(rs, 1)];
T9 = T3 + T4;
cr[0] = T1 + T2;
ci[0] = T3 - T4;
{
E T5, T7, T8, Ta;
T5 = W[0];
T7 = T5 * T6;
T8 = W[1];
Ta = T8 * T6;
cr[WS(rs, 1)] = FNMS(T8, T9, T7);
ci[WS(rs, 1)] = FMA(T5, T9, Ta);
}
}
}
}
static const tw_instr twinstr[] = {
{ TW_FULL, 1, 2 },
{ TW_NEXT, 1, 0 }
};
static const hc2hc_desc desc = { 2, "hb_2", twinstr, &GENUS, { 4, 2, 2, 0 } };
void X(codelet_hb_2) (planner *p) {
X(khc2hc_register) (p, hb_2, &desc);
}
#else
/* Generated by: ../../../genfft/gen_hc2hc.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 2 -dif -name hb_2 -include rdft/scalar/hb.h */
/*
* This function contains 6 FP additions, 4 FP multiplications,
* (or, 4 additions, 2 multiplications, 2 fused multiply/add),
* 9 stack variables, 0 constants, and 8 memory accesses
*/
#include "rdft/scalar/hb.h"
static void hb_2(R *cr, R *ci, 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, cr = cr + ms, ci = ci - ms, W = W + 2, MAKE_VOLATILE_STRIDE(4, rs)) {
E T1, T2, T6, T3, T4, T8, T5, T7;
T1 = cr[0];
T2 = ci[0];
T6 = T1 - T2;
T3 = ci[WS(rs, 1)];
T4 = cr[WS(rs, 1)];
T8 = T3 + T4;
cr[0] = T1 + T2;
ci[0] = T3 - T4;
T5 = W[0];
T7 = W[1];
cr[WS(rs, 1)] = FNMS(T7, T8, T5 * T6);
ci[WS(rs, 1)] = FMA(T7, T6, T5 * T8);
}
}
}
static const tw_instr twinstr[] = {
{ TW_FULL, 1, 2 },
{ TW_NEXT, 1, 0 }
};
static const hc2hc_desc desc = { 2, "hb_2", twinstr, &GENUS, { 4, 2, 2, 0 } };
void X(codelet_hb_2) (planner *p) {
X(khc2hc_register) (p, hb_2, &desc);
}
#endif