134 lines
4.1 KiB
C
134 lines
4.1 KiB
C
/*
|
|
* 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 10:46:36 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 -n 2 -dit -name hc2cfdft_2 -include rdft/scalar/hc2cf.h */
|
|
|
|
/*
|
|
* This function contains 10 FP additions, 8 FP multiplications,
|
|
* (or, 8 additions, 6 multiplications, 2 fused multiply/add),
|
|
* 16 stack variables, 1 constants, and 8 memory accesses
|
|
*/
|
|
#include "rdft/scalar/hc2cf.h"
|
|
|
|
static void hc2cfdft_2(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
|
|
{
|
|
DK(KP500000000, +0.500000000000000000000000000000000000000000000);
|
|
{
|
|
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 = Rm[0];
|
|
T6 = Rp[0];
|
|
T7 = T5 - T6;
|
|
Tc = T6 + T5;
|
|
T9 = W[1];
|
|
Td = T9 * T7;
|
|
T4 = W[0];
|
|
T8 = T4 * T7;
|
|
}
|
|
Tb = FNMS(T9, Ta, T8);
|
|
Ip[0] = KP500000000 * (T3 + Tb);
|
|
Im[0] = KP500000000 * (Tb - T3);
|
|
Te = FMA(T4, Ta, Td);
|
|
Rm[0] = KP500000000 * (Tc - Te);
|
|
Rp[0] = KP500000000 * (Tc + Te);
|
|
}
|
|
}
|
|
}
|
|
|
|
static const tw_instr twinstr[] = {
|
|
{ TW_FULL, 1, 2 },
|
|
{ TW_NEXT, 1, 0 }
|
|
};
|
|
|
|
static const hc2c_desc desc = { 2, "hc2cfdft_2", twinstr, &GENUS, { 8, 6, 2, 0 } };
|
|
|
|
void X(codelet_hc2cfdft_2) (planner *p) {
|
|
X(khc2c_register) (p, hc2cfdft_2, &desc, HC2C_VIA_DFT);
|
|
}
|
|
#else
|
|
|
|
/* Generated by: ../../../genfft/gen_hc2cdft.native -compact -variables 4 -pipeline-latency 4 -n 2 -dit -name hc2cfdft_2 -include rdft/scalar/hc2cf.h */
|
|
|
|
/*
|
|
* This function contains 10 FP additions, 8 FP multiplications,
|
|
* (or, 8 additions, 6 multiplications, 2 fused multiply/add),
|
|
* 10 stack variables, 1 constants, and 8 memory accesses
|
|
*/
|
|
#include "rdft/scalar/hc2cf.h"
|
|
|
|
static void hc2cfdft_2(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
|
|
{
|
|
DK(KP500000000, +0.500000000000000000000000000000000000000000000);
|
|
{
|
|
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 = Rm[0];
|
|
T6 = Rp[0];
|
|
T7 = T5 - T6;
|
|
Tb = T6 + T5;
|
|
}
|
|
{
|
|
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] = KP500000000 * (T3 + Ta);
|
|
Rp[0] = KP500000000 * (Tb + Tc);
|
|
Im[0] = KP500000000 * (Ta - T3);
|
|
Rm[0] = KP500000000 * (Tb - Tc);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static const tw_instr twinstr[] = {
|
|
{ TW_FULL, 1, 2 },
|
|
{ TW_NEXT, 1, 0 }
|
|
};
|
|
|
|
static const hc2c_desc desc = { 2, "hc2cfdft_2", twinstr, &GENUS, { 8, 6, 2, 0 } };
|
|
|
|
void X(codelet_hc2cfdft_2) (planner *p) {
|
|
X(khc2c_register) (p, hc2cfdft_2, &desc, HC2C_VIA_DFT);
|
|
}
|
|
#endif
|