mirror of
https://github.com/tildearrow/furnace.git
synced 2024-11-17 01:55:10 +00:00
221 lines
6.1 KiB
C
221 lines
6.1 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 10:46:38 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 -twiddle-log3 -precompute-twiddles -n 4 -dit -name hc2cfdft2_4 -include rdft/scalar/hc2cf.h */
|
|
|
|
/*
|
|
* This function contains 32 FP additions, 24 FP multiplications,
|
|
* (or, 24 additions, 16 multiplications, 8 fused multiply/add),
|
|
* 37 stack variables, 1 constants, and 16 memory accesses
|
|
*/
|
|
#include "rdft/scalar/hc2cf.h"
|
|
|
|
static void hc2cfdft2_4(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) * 4); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 4, MAKE_VOLATILE_STRIDE(16, rs)) {
|
|
E T1, T5, T2, T4, T6, Tc, T3, Tb;
|
|
T1 = W[0];
|
|
T5 = W[3];
|
|
T2 = W[2];
|
|
T3 = T1 * T2;
|
|
Tb = T1 * T5;
|
|
T4 = W[1];
|
|
T6 = FMA(T4, T5, T3);
|
|
Tc = FNMS(T4, T2, Tb);
|
|
{
|
|
E Tj, Tp, To, TE, Tw, T9, Tt, Ta, TC, Tf, Tr, Ts, Tx;
|
|
{
|
|
E Th, Ti, Tl, Tm, Tn;
|
|
Th = Ip[0];
|
|
Ti = Im[0];
|
|
Tj = Th - Ti;
|
|
Tp = Th + Ti;
|
|
Tl = Rm[0];
|
|
Tm = Rp[0];
|
|
Tn = Tl - Tm;
|
|
To = T1 * Tn;
|
|
TE = T4 * Tn;
|
|
Tw = Tm + Tl;
|
|
}
|
|
{
|
|
E T7, T8, Td, Te;
|
|
T7 = Ip[WS(rs, 1)];
|
|
T8 = Im[WS(rs, 1)];
|
|
T9 = T7 - T8;
|
|
Tt = T7 + T8;
|
|
Ta = T6 * T9;
|
|
TC = T2 * Tt;
|
|
Td = Rp[WS(rs, 1)];
|
|
Te = Rm[WS(rs, 1)];
|
|
Tf = Td + Te;
|
|
Tr = Td - Te;
|
|
Ts = T2 * Tr;
|
|
Tx = T6 * Tf;
|
|
}
|
|
{
|
|
E Tk, TB, Tz, TH, Tv, TA, TG, TI, Tg, Ty;
|
|
Tg = FNMS(Tc, Tf, Ta);
|
|
Tk = Tg + Tj;
|
|
TB = Tj - Tg;
|
|
Ty = FMA(Tc, T9, Tx);
|
|
Tz = Tw - Ty;
|
|
TH = Tw + Ty;
|
|
{
|
|
E Tq, Tu, TD, TF;
|
|
Tq = FNMS(T4, Tp, To);
|
|
Tu = FMA(T5, Tt, Ts);
|
|
Tv = Tq - Tu;
|
|
TA = Tu + Tq;
|
|
TD = FNMS(T5, Tr, TC);
|
|
TF = FMA(T1, Tp, TE);
|
|
TG = TD - TF;
|
|
TI = TD + TF;
|
|
}
|
|
Ip[0] = KP500000000 * (Tk + Tv);
|
|
Rp[0] = KP500000000 * (TH + TI);
|
|
Im[WS(rs, 1)] = KP500000000 * (Tv - Tk);
|
|
Rm[WS(rs, 1)] = KP500000000 * (TH - TI);
|
|
Rm[0] = KP500000000 * (Tz - TA);
|
|
Im[0] = KP500000000 * (TG - TB);
|
|
Rp[WS(rs, 1)] = KP500000000 * (Tz + TA);
|
|
Ip[WS(rs, 1)] = KP500000000 * (TB + TG);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static const tw_instr twinstr[] = {
|
|
{ TW_CEXP, 1, 1 },
|
|
{ TW_CEXP, 1, 3 },
|
|
{ TW_NEXT, 1, 0 }
|
|
};
|
|
|
|
static const hc2c_desc desc = { 4, "hc2cfdft2_4", twinstr, &GENUS, { 24, 16, 8, 0 } };
|
|
|
|
void X(codelet_hc2cfdft2_4) (planner *p) {
|
|
X(khc2c_register) (p, hc2cfdft2_4, &desc, HC2C_VIA_DFT);
|
|
}
|
|
#else
|
|
|
|
/* Generated by: ../../../genfft/gen_hc2cdft.native -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 4 -dit -name hc2cfdft2_4 -include rdft/scalar/hc2cf.h */
|
|
|
|
/*
|
|
* This function contains 32 FP additions, 24 FP multiplications,
|
|
* (or, 24 additions, 16 multiplications, 8 fused multiply/add),
|
|
* 24 stack variables, 1 constants, and 16 memory accesses
|
|
*/
|
|
#include "rdft/scalar/hc2cf.h"
|
|
|
|
static void hc2cfdft2_4(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) * 4); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 4, MAKE_VOLATILE_STRIDE(16, rs)) {
|
|
E T1, T3, T2, T4, T5, T9;
|
|
T1 = W[0];
|
|
T3 = W[1];
|
|
T2 = W[2];
|
|
T4 = W[3];
|
|
T5 = FMA(T1, T2, T3 * T4);
|
|
T9 = FNMS(T3, T2, T1 * T4);
|
|
{
|
|
E Tg, Tr, Tm, Tx, Td, Tw, Tp, Ts;
|
|
{
|
|
E Te, Tf, Tl, Ti, Tj, Tk;
|
|
Te = Ip[0];
|
|
Tf = Im[0];
|
|
Tl = Te + Tf;
|
|
Ti = Rm[0];
|
|
Tj = Rp[0];
|
|
Tk = Ti - Tj;
|
|
Tg = Te - Tf;
|
|
Tr = Tj + Ti;
|
|
Tm = FNMS(T3, Tl, T1 * Tk);
|
|
Tx = FMA(T3, Tk, T1 * Tl);
|
|
}
|
|
{
|
|
E T8, To, Tc, Tn;
|
|
{
|
|
E T6, T7, Ta, Tb;
|
|
T6 = Ip[WS(rs, 1)];
|
|
T7 = Im[WS(rs, 1)];
|
|
T8 = T6 - T7;
|
|
To = T6 + T7;
|
|
Ta = Rp[WS(rs, 1)];
|
|
Tb = Rm[WS(rs, 1)];
|
|
Tc = Ta + Tb;
|
|
Tn = Ta - Tb;
|
|
}
|
|
Td = FNMS(T9, Tc, T5 * T8);
|
|
Tw = FNMS(T4, Tn, T2 * To);
|
|
Tp = FMA(T2, Tn, T4 * To);
|
|
Ts = FMA(T5, Tc, T9 * T8);
|
|
}
|
|
{
|
|
E Th, Tq, Tz, TA;
|
|
Th = Td + Tg;
|
|
Tq = Tm - Tp;
|
|
Ip[0] = KP500000000 * (Th + Tq);
|
|
Im[WS(rs, 1)] = KP500000000 * (Tq - Th);
|
|
Tz = Tr + Ts;
|
|
TA = Tw + Tx;
|
|
Rm[WS(rs, 1)] = KP500000000 * (Tz - TA);
|
|
Rp[0] = KP500000000 * (Tz + TA);
|
|
}
|
|
{
|
|
E Tt, Tu, Tv, Ty;
|
|
Tt = Tr - Ts;
|
|
Tu = Tp + Tm;
|
|
Rm[0] = KP500000000 * (Tt - Tu);
|
|
Rp[WS(rs, 1)] = KP500000000 * (Tt + Tu);
|
|
Tv = Tg - Td;
|
|
Ty = Tw - Tx;
|
|
Ip[WS(rs, 1)] = KP500000000 * (Tv + Ty);
|
|
Im[0] = KP500000000 * (Ty - Tv);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static const tw_instr twinstr[] = {
|
|
{ TW_CEXP, 1, 1 },
|
|
{ TW_CEXP, 1, 3 },
|
|
{ TW_NEXT, 1, 0 }
|
|
};
|
|
|
|
static const hc2c_desc desc = { 4, "hc2cfdft2_4", twinstr, &GENUS, { 24, 16, 8, 0 } };
|
|
|
|
void X(codelet_hc2cfdft2_4) (planner *p) {
|
|
X(khc2c_register) (p, hc2cfdft2_4, &desc, HC2C_VIA_DFT);
|
|
}
|
|
#endif
|