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furnace/extern/fftw/rdft/scalar/r2cf/r2cfII_12.c

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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 10:46:24 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 12 -name r2cfII_12 -dft-II -include rdft/scalar/r2cfII.h */
/*
* This function contains 45 FP additions, 24 FP multiplications,
* (or, 21 additions, 0 multiplications, 24 fused multiply/add),
* 28 stack variables, 3 constants, and 24 memory accesses
*/
#include "rdft/scalar/r2cfII.h"
static void r2cfII_12(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
{
DK(KP866025403, +0.866025403784438646763723170752936183471402627);
DK(KP707106781, +0.707106781186547524400844362104849039284835938);
DK(KP500000000, +0.500000000000000000000000000000000000000000000);
{
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(48, rs), MAKE_VOLATILE_STRIDE(48, csr), MAKE_VOLATILE_STRIDE(48, csi)) {
E Tx, Ty, T8, Tz, Tl, Tm, Tv, T5, TA, Tt, Te, Tf, Tu, T6, T7;
E Tw, TF, TG;
Tx = R0[WS(rs, 3)];
T6 = R0[WS(rs, 5)];
T7 = R0[WS(rs, 1)];
Ty = T6 + T7;
T8 = T6 - T7;
Tz = FMA(KP500000000, Ty, Tx);
{
E Th, Ti, Tj, Tk;
Th = R1[WS(rs, 4)];
Ti = R1[WS(rs, 2)];
Tj = R1[0];
Tk = Ti - Tj;
Tl = FMA(KP500000000, Tk, Th);
Tm = Ti + Tj;
Tv = Ti - Tj - Th;
}
{
E T1, T2, T3, T4;
T1 = R0[0];
T2 = R0[WS(rs, 2)];
T3 = R0[WS(rs, 4)];
T4 = T2 - T3;
T5 = FMA(KP500000000, T4, T1);
TA = T3 + T2;
Tt = T1 + T3 - T2;
}
{
E Ta, Tb, Tc, Td;
Ta = R1[WS(rs, 1)];
Tb = R1[WS(rs, 3)];
Tc = R1[WS(rs, 5)];
Td = Tb - Tc;
Te = FMA(KP500000000, Td, Ta);
Tf = Tc + Tb;
Tu = Ta + Tc - Tb;
}
Tw = Tu + Tv;
Cr[WS(csr, 1)] = FNMS(KP707106781, Tw, Tt);
Cr[WS(csr, 4)] = FMA(KP707106781, Tw, Tt);
TF = Tx - Ty;
TG = Tv - Tu;
Ci[WS(csi, 4)] = FMS(KP707106781, TG, TF);
Ci[WS(csi, 1)] = FMA(KP707106781, TG, TF);
{
E T9, TD, To, TE, Tg, Tn;
T9 = FNMS(KP866025403, T8, T5);
TD = FNMS(KP866025403, TA, Tz);
Tg = FNMS(KP866025403, Tf, Te);
Tn = FNMS(KP866025403, Tm, Tl);
To = Tg - Tn;
TE = Tg + Tn;
Cr[WS(csr, 5)] = FNMS(KP707106781, To, T9);
Ci[WS(csi, 3)] = FMA(KP707106781, TE, TD);
Cr[0] = FMA(KP707106781, To, T9);
Ci[WS(csi, 2)] = FMS(KP707106781, TE, TD);
}
{
E Tp, TB, Ts, TC, Tq, Tr;
Tp = FMA(KP866025403, T8, T5);
TB = FMA(KP866025403, TA, Tz);
Tq = FMA(KP866025403, Tm, Tl);
Tr = FMA(KP866025403, Tf, Te);
Ts = Tq - Tr;
TC = Tr + Tq;
Cr[WS(csr, 3)] = FNMS(KP707106781, Ts, Tp);
Ci[WS(csi, 5)] = FNMS(KP707106781, TC, TB);
Cr[WS(csr, 2)] = FMA(KP707106781, Ts, Tp);
Ci[0] = -(FMA(KP707106781, TC, TB));
}
}
}
}
static const kr2c_desc desc = { 12, "r2cfII_12", { 21, 0, 24, 0 }, &GENUS };
void X(codelet_r2cfII_12) (planner *p) { X(kr2c_register) (p, r2cfII_12, &desc);
}
#else
/* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 12 -name r2cfII_12 -dft-II -include rdft/scalar/r2cfII.h */
/*
* This function contains 43 FP additions, 12 FP multiplications,
* (or, 39 additions, 8 multiplications, 4 fused multiply/add),
* 28 stack variables, 5 constants, and 24 memory accesses
*/
#include "rdft/scalar/r2cfII.h"
static void r2cfII_12(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
{
DK(KP353553390, +0.353553390593273762200422181052424519642417969);
DK(KP707106781, +0.707106781186547524400844362104849039284835938);
DK(KP612372435, +0.612372435695794524549321018676472847991486870);
DK(KP500000000, +0.500000000000000000000000000000000000000000000);
DK(KP866025403, +0.866025403784438646763723170752936183471402627);
{
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(48, rs), MAKE_VOLATILE_STRIDE(48, csr), MAKE_VOLATILE_STRIDE(48, csi)) {
E Tx, Tg, T4, Tz, Ty, Tj, TA, T9, Tm, Tl, Te, Tp, To, Tf, TE;
E TF;
{
E T1, T3, T2, Th, Ti;
T1 = R0[0];
T3 = R0[WS(rs, 2)];
T2 = R0[WS(rs, 4)];
Tx = KP866025403 * (T2 + T3);
Tg = FMA(KP500000000, T3 - T2, T1);
T4 = T1 + T2 - T3;
Tz = R0[WS(rs, 3)];
Th = R0[WS(rs, 5)];
Ti = R0[WS(rs, 1)];
Ty = Th + Ti;
Tj = KP866025403 * (Th - Ti);
TA = FMA(KP500000000, Ty, Tz);
}
{
E T5, T6, T7, T8;
T5 = R1[WS(rs, 1)];
T6 = R1[WS(rs, 5)];
T7 = R1[WS(rs, 3)];
T8 = T6 - T7;
T9 = T5 + T8;
Tm = KP612372435 * (T6 + T7);
Tl = FNMS(KP353553390, T8, KP707106781 * T5);
}
{
E Td, Ta, Tb, Tc;
Td = R1[WS(rs, 4)];
Ta = R1[WS(rs, 2)];
Tb = R1[0];
Tc = Ta - Tb;
Te = Tc - Td;
Tp = FMA(KP353553390, Tc, KP707106781 * Td);
To = KP612372435 * (Ta + Tb);
}
Tf = KP707106781 * (T9 + Te);
Cr[WS(csr, 1)] = T4 - Tf;
Cr[WS(csr, 4)] = T4 + Tf;
TE = KP707106781 * (Te - T9);
TF = Tz - Ty;
Ci[WS(csi, 4)] = TE - TF;
Ci[WS(csi, 1)] = TE + TF;
{
E Tk, TB, Tr, Tw, Tn, Tq;
Tk = Tg - Tj;
TB = Tx - TA;
Tn = Tl - Tm;
Tq = To - Tp;
Tr = Tn + Tq;
Tw = Tn - Tq;
Cr[WS(csr, 5)] = Tk - Tr;
Ci[WS(csi, 2)] = Tw + TB;
Cr[0] = Tk + Tr;
Ci[WS(csi, 3)] = Tw - TB;
}
{
E Ts, TD, Tv, TC, Tt, Tu;
Ts = Tg + Tj;
TD = Tx + TA;
Tt = To + Tp;
Tu = Tm + Tl;
Tv = Tt - Tu;
TC = Tu + Tt;
Cr[WS(csr, 3)] = Ts - Tv;
Ci[WS(csi, 5)] = TD - TC;
Cr[WS(csr, 2)] = Ts + Tv;
Ci[0] = -(TC + TD);
}
}
}
}
static const kr2c_desc desc = { 12, "r2cfII_12", { 39, 8, 4, 0 }, &GENUS };
void X(codelet_r2cfII_12) (planner *p) { X(kr2c_register) (p, r2cfII_12, &desc);
}
#endif
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