mirror of
https://github.com/tildearrow/furnace.git
synced 2024-11-05 12:25:05 +00:00
128 lines
4.4 KiB
C
128 lines
4.4 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 10:46:47 EDT 2021 */
|
|
|
|
#include "rdft/codelet-rdft.h"
|
|
|
|
#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
|
|
|
|
/* Generated by: ../../../genfft/gen_r2cb.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 6 -name r2cb_6 -include rdft/scalar/r2cb.h */
|
|
|
|
/*
|
|
* This function contains 14 FP additions, 6 FP multiplications,
|
|
* (or, 8 additions, 0 multiplications, 6 fused multiply/add),
|
|
* 17 stack variables, 2 constants, and 12 memory accesses
|
|
*/
|
|
#include "rdft/scalar/r2cb.h"
|
|
|
|
static void r2cb_6(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
|
|
{
|
|
DK(KP1_732050807, +1.732050807568877293527446341505872366942805254);
|
|
DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
|
|
{
|
|
INT i;
|
|
for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(24, rs), MAKE_VOLATILE_STRIDE(24, csr), MAKE_VOLATILE_STRIDE(24, csi)) {
|
|
E T3, T7, Tc, Te, T6, T8, T1, T2, T9, Td;
|
|
T1 = Cr[0];
|
|
T2 = Cr[WS(csr, 3)];
|
|
T3 = T1 + T2;
|
|
T7 = T1 - T2;
|
|
{
|
|
E Ta, Tb, T4, T5;
|
|
Ta = Ci[WS(csi, 2)];
|
|
Tb = Ci[WS(csi, 1)];
|
|
Tc = Ta - Tb;
|
|
Te = Ta + Tb;
|
|
T4 = Cr[WS(csr, 2)];
|
|
T5 = Cr[WS(csr, 1)];
|
|
T6 = T4 + T5;
|
|
T8 = T5 - T4;
|
|
}
|
|
R0[0] = FMA(KP2_000000000, T6, T3);
|
|
R1[WS(rs, 1)] = FNMS(KP2_000000000, T8, T7);
|
|
T9 = T3 - T6;
|
|
R0[WS(rs, 2)] = FNMS(KP1_732050807, Tc, T9);
|
|
R0[WS(rs, 1)] = FMA(KP1_732050807, Tc, T9);
|
|
Td = T7 + T8;
|
|
R1[0] = FNMS(KP1_732050807, Te, Td);
|
|
R1[WS(rs, 2)] = FMA(KP1_732050807, Te, Td);
|
|
}
|
|
}
|
|
}
|
|
|
|
static const kr2c_desc desc = { 6, "r2cb_6", { 8, 0, 6, 0 }, &GENUS };
|
|
|
|
void X(codelet_r2cb_6) (planner *p) { X(kr2c_register) (p, r2cb_6, &desc);
|
|
}
|
|
|
|
#else
|
|
|
|
/* Generated by: ../../../genfft/gen_r2cb.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 6 -name r2cb_6 -include rdft/scalar/r2cb.h */
|
|
|
|
/*
|
|
* This function contains 14 FP additions, 4 FP multiplications,
|
|
* (or, 12 additions, 2 multiplications, 2 fused multiply/add),
|
|
* 17 stack variables, 2 constants, and 12 memory accesses
|
|
*/
|
|
#include "rdft/scalar/r2cb.h"
|
|
|
|
static void r2cb_6(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
|
|
{
|
|
DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
|
|
DK(KP1_732050807, +1.732050807568877293527446341505872366942805254);
|
|
{
|
|
INT i;
|
|
for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(24, rs), MAKE_VOLATILE_STRIDE(24, csr), MAKE_VOLATILE_STRIDE(24, csi)) {
|
|
E T3, T7, Tc, Te, T6, T8, T1, T2, T9, Td;
|
|
T1 = Cr[0];
|
|
T2 = Cr[WS(csr, 3)];
|
|
T3 = T1 - T2;
|
|
T7 = T1 + T2;
|
|
{
|
|
E Ta, Tb, T4, T5;
|
|
Ta = Ci[WS(csi, 2)];
|
|
Tb = Ci[WS(csi, 1)];
|
|
Tc = KP1_732050807 * (Ta - Tb);
|
|
Te = KP1_732050807 * (Ta + Tb);
|
|
T4 = Cr[WS(csr, 2)];
|
|
T5 = Cr[WS(csr, 1)];
|
|
T6 = T4 - T5;
|
|
T8 = T4 + T5;
|
|
}
|
|
R1[WS(rs, 1)] = FMA(KP2_000000000, T6, T3);
|
|
R0[0] = FMA(KP2_000000000, T8, T7);
|
|
T9 = T7 - T8;
|
|
R0[WS(rs, 2)] = T9 - Tc;
|
|
R0[WS(rs, 1)] = T9 + Tc;
|
|
Td = T3 - T6;
|
|
R1[0] = Td - Te;
|
|
R1[WS(rs, 2)] = Td + Te;
|
|
}
|
|
}
|
|
}
|
|
|
|
static const kr2c_desc desc = { 6, "r2cb_6", { 12, 2, 2, 0 }, &GENUS };
|
|
|
|
void X(codelet_r2cb_6) (planner *p) { X(kr2c_register) (p, r2cb_6, &desc);
|
|
}
|
|
|
|
#endif
|