mirror of
https://github.com/tildearrow/furnace.git
synced 2024-11-24 05:25:12 +00:00
54e93db207
not reliable yet
154 lines
4.6 KiB
C
154 lines
4.6 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 10:46:10 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 8 -name r2cf_8 -include rdft/scalar/r2cf.h */
|
|
|
|
/*
|
|
* This function contains 20 FP additions, 4 FP multiplications,
|
|
* (or, 16 additions, 0 multiplications, 4 fused multiply/add),
|
|
* 14 stack variables, 1 constants, and 16 memory accesses
|
|
*/
|
|
#include "rdft/scalar/r2cf.h"
|
|
|
|
static void r2cf_8(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
|
|
{
|
|
DK(KP707106781, +0.707106781186547524400844362104849039284835938);
|
|
{
|
|
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(32, rs), MAKE_VOLATILE_STRIDE(32, csr), MAKE_VOLATILE_STRIDE(32, csi)) {
|
|
E T3, T7, Td, Tj, T6, Tf, Ta, Ti;
|
|
{
|
|
E T1, T2, Tb, Tc;
|
|
T1 = R0[0];
|
|
T2 = R0[WS(rs, 2)];
|
|
T3 = T1 + T2;
|
|
T7 = T1 - T2;
|
|
Tb = R1[WS(rs, 3)];
|
|
Tc = R1[WS(rs, 1)];
|
|
Td = Tb - Tc;
|
|
Tj = Tb + Tc;
|
|
}
|
|
{
|
|
E T4, T5, T8, T9;
|
|
T4 = R0[WS(rs, 1)];
|
|
T5 = R0[WS(rs, 3)];
|
|
T6 = T4 + T5;
|
|
Tf = T4 - T5;
|
|
T8 = R1[0];
|
|
T9 = R1[WS(rs, 2)];
|
|
Ta = T8 - T9;
|
|
Ti = T8 + T9;
|
|
}
|
|
Cr[WS(csr, 2)] = T3 - T6;
|
|
Ci[WS(csi, 2)] = Tj - Ti;
|
|
{
|
|
E Te, Tg, Th, Tk;
|
|
Te = Ta + Td;
|
|
Cr[WS(csr, 3)] = FNMS(KP707106781, Te, T7);
|
|
Cr[WS(csr, 1)] = FMA(KP707106781, Te, T7);
|
|
Tg = Td - Ta;
|
|
Ci[WS(csi, 1)] = FMS(KP707106781, Tg, Tf);
|
|
Ci[WS(csi, 3)] = FMA(KP707106781, Tg, Tf);
|
|
Th = T3 + T6;
|
|
Tk = Ti + Tj;
|
|
Cr[WS(csr, 4)] = Th - Tk;
|
|
Cr[0] = Th + Tk;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static const kr2c_desc desc = { 8, "r2cf_8", { 16, 0, 4, 0 }, &GENUS };
|
|
|
|
void X(codelet_r2cf_8) (planner *p) { X(kr2c_register) (p, r2cf_8, &desc);
|
|
}
|
|
|
|
#else
|
|
|
|
/* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 8 -name r2cf_8 -include rdft/scalar/r2cf.h */
|
|
|
|
/*
|
|
* This function contains 20 FP additions, 2 FP multiplications,
|
|
* (or, 20 additions, 2 multiplications, 0 fused multiply/add),
|
|
* 14 stack variables, 1 constants, and 16 memory accesses
|
|
*/
|
|
#include "rdft/scalar/r2cf.h"
|
|
|
|
static void r2cf_8(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
|
|
{
|
|
DK(KP707106781, +0.707106781186547524400844362104849039284835938);
|
|
{
|
|
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(32, rs), MAKE_VOLATILE_STRIDE(32, csr), MAKE_VOLATILE_STRIDE(32, csi)) {
|
|
E T3, T7, Td, Tj, T6, Tg, Ta, Ti;
|
|
{
|
|
E T1, T2, Tb, Tc;
|
|
T1 = R0[0];
|
|
T2 = R0[WS(rs, 2)];
|
|
T3 = T1 + T2;
|
|
T7 = T1 - T2;
|
|
Tb = R1[WS(rs, 3)];
|
|
Tc = R1[WS(rs, 1)];
|
|
Td = Tb - Tc;
|
|
Tj = Tb + Tc;
|
|
}
|
|
{
|
|
E T4, T5, T8, T9;
|
|
T4 = R0[WS(rs, 1)];
|
|
T5 = R0[WS(rs, 3)];
|
|
T6 = T4 + T5;
|
|
Tg = T4 - T5;
|
|
T8 = R1[0];
|
|
T9 = R1[WS(rs, 2)];
|
|
Ta = T8 - T9;
|
|
Ti = T8 + T9;
|
|
}
|
|
Cr[WS(csr, 2)] = T3 - T6;
|
|
Ci[WS(csi, 2)] = Tj - Ti;
|
|
{
|
|
E Te, Tf, Th, Tk;
|
|
Te = KP707106781 * (Ta + Td);
|
|
Cr[WS(csr, 3)] = T7 - Te;
|
|
Cr[WS(csr, 1)] = T7 + Te;
|
|
Tf = KP707106781 * (Td - Ta);
|
|
Ci[WS(csi, 1)] = Tf - Tg;
|
|
Ci[WS(csi, 3)] = Tg + Tf;
|
|
Th = T3 + T6;
|
|
Tk = Ti + Tj;
|
|
Cr[WS(csr, 4)] = Th - Tk;
|
|
Cr[0] = Th + Tk;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static const kr2c_desc desc = { 8, "r2cf_8", { 20, 2, 0, 0 }, &GENUS };
|
|
|
|
void X(codelet_r2cf_8) (planner *p) { X(kr2c_register) (p, r2cf_8, &desc);
|
|
}
|
|
|
|
#endif
|