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furnace/extern/fftw/dft/simd/common/n2sv_8.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 10:45:23 EDT 2021 */
#include "dft/codelet-dft.h"
#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
/* Generated by: ../../../genfft/gen_notw.native -fma -simd -compact -variables 4 -pipeline-latency 8 -n 8 -name n2sv_8 -with-ostride 1 -include dft/simd/n2s.h -store-multiple 4 */
/*
* This function contains 52 FP additions, 8 FP multiplications,
* (or, 44 additions, 0 multiplications, 8 fused multiply/add),
* 34 stack variables, 1 constants, and 36 memory accesses
*/
#include "dft/simd/n2s.h"
static void n2sv_8(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
{
INT i;
for (i = v; i > 0; i = i - (2 * VL), ri = ri + ((2 * VL) * ivs), ii = ii + ((2 * VL) * ivs), ro = ro + ((2 * VL) * ovs), io = io + ((2 * VL) * ovs), MAKE_VOLATILE_STRIDE(32, is), MAKE_VOLATILE_STRIDE(32, os)) {
V T3, Tn, Ti, TC, T6, TB, Tl, To, Td, TN, Tz, TH, Ta, TM, Tu;
V TG;
{
V T1, T2, Tj, Tk;
T1 = LD(&(ri[0]), ivs, &(ri[0]));
T2 = LD(&(ri[WS(is, 4)]), ivs, &(ri[0]));
T3 = VADD(T1, T2);
Tn = VSUB(T1, T2);
{
V Tg, Th, T4, T5;
Tg = LD(&(ii[0]), ivs, &(ii[0]));
Th = LD(&(ii[WS(is, 4)]), ivs, &(ii[0]));
Ti = VADD(Tg, Th);
TC = VSUB(Tg, Th);
T4 = LD(&(ri[WS(is, 2)]), ivs, &(ri[0]));
T5 = LD(&(ri[WS(is, 6)]), ivs, &(ri[0]));
T6 = VADD(T4, T5);
TB = VSUB(T4, T5);
}
Tj = LD(&(ii[WS(is, 2)]), ivs, &(ii[0]));
Tk = LD(&(ii[WS(is, 6)]), ivs, &(ii[0]));
Tl = VADD(Tj, Tk);
To = VSUB(Tj, Tk);
{
V Tb, Tc, Tv, Tw, Tx, Ty;
Tb = LD(&(ri[WS(is, 7)]), ivs, &(ri[WS(is, 1)]));
Tc = LD(&(ri[WS(is, 3)]), ivs, &(ri[WS(is, 1)]));
Tv = VSUB(Tb, Tc);
Tw = LD(&(ii[WS(is, 7)]), ivs, &(ii[WS(is, 1)]));
Tx = LD(&(ii[WS(is, 3)]), ivs, &(ii[WS(is, 1)]));
Ty = VSUB(Tw, Tx);
Td = VADD(Tb, Tc);
TN = VADD(Tw, Tx);
Tz = VSUB(Tv, Ty);
TH = VADD(Tv, Ty);
}
{
V T8, T9, Tq, Tr, Ts, Tt;
T8 = LD(&(ri[WS(is, 1)]), ivs, &(ri[WS(is, 1)]));
T9 = LD(&(ri[WS(is, 5)]), ivs, &(ri[WS(is, 1)]));
Tq = VSUB(T8, T9);
Tr = LD(&(ii[WS(is, 1)]), ivs, &(ii[WS(is, 1)]));
Ts = LD(&(ii[WS(is, 5)]), ivs, &(ii[WS(is, 1)]));
Tt = VSUB(Tr, Ts);
Ta = VADD(T8, T9);
TM = VADD(Tr, Ts);
Tu = VADD(Tq, Tt);
TG = VSUB(Tt, Tq);
}
}
{
V TR, TS, TT, TU, TV, TW, TX, TY;
{
V T7, Te, TP, TQ;
T7 = VADD(T3, T6);
Te = VADD(Ta, Td);
TR = VSUB(T7, Te);
STM4(&(ro[4]), TR, ovs, &(ro[0]));
TS = VADD(T7, Te);
STM4(&(ro[0]), TS, ovs, &(ro[0]));
TP = VADD(Ti, Tl);
TQ = VADD(TM, TN);
TT = VSUB(TP, TQ);
STM4(&(io[4]), TT, ovs, &(io[0]));
TU = VADD(TP, TQ);
STM4(&(io[0]), TU, ovs, &(io[0]));
}
{
V Tf, Tm, TL, TO;
Tf = VSUB(Td, Ta);
Tm = VSUB(Ti, Tl);
TV = VADD(Tf, Tm);
STM4(&(io[2]), TV, ovs, &(io[0]));
TW = VSUB(Tm, Tf);
STM4(&(io[6]), TW, ovs, &(io[0]));
TL = VSUB(T3, T6);
TO = VSUB(TM, TN);
TX = VSUB(TL, TO);
STM4(&(ro[6]), TX, ovs, &(ro[0]));
TY = VADD(TL, TO);
STM4(&(ro[2]), TY, ovs, &(ro[0]));
}
{
V TZ, T10, T11, T12;
{
V Tp, TA, TJ, TK;
Tp = VADD(Tn, To);
TA = VADD(Tu, Tz);
TZ = VFNMS(LDK(KP707106781), TA, Tp);
STM4(&(ro[5]), TZ, ovs, &(ro[1]));
T10 = VFMA(LDK(KP707106781), TA, Tp);
STM4(&(ro[1]), T10, ovs, &(ro[1]));
TJ = VSUB(TC, TB);
TK = VADD(TG, TH);
T11 = VFNMS(LDK(KP707106781), TK, TJ);
STM4(&(io[5]), T11, ovs, &(io[1]));
T12 = VFMA(LDK(KP707106781), TK, TJ);
STM4(&(io[1]), T12, ovs, &(io[1]));
}
{
V TD, TE, T13, T14;
TD = VADD(TB, TC);
TE = VSUB(Tz, Tu);
T13 = VFNMS(LDK(KP707106781), TE, TD);
STM4(&(io[7]), T13, ovs, &(io[1]));
STN4(&(io[4]), TT, T11, TW, T13, ovs);
T14 = VFMA(LDK(KP707106781), TE, TD);
STM4(&(io[3]), T14, ovs, &(io[1]));
STN4(&(io[0]), TU, T12, TV, T14, ovs);
}
{
V TF, TI, T15, T16;
TF = VSUB(Tn, To);
TI = VSUB(TG, TH);
T15 = VFNMS(LDK(KP707106781), TI, TF);
STM4(&(ro[7]), T15, ovs, &(ro[1]));
STN4(&(ro[4]), TR, TZ, TX, T15, ovs);
T16 = VFMA(LDK(KP707106781), TI, TF);
STM4(&(ro[3]), T16, ovs, &(ro[1]));
STN4(&(ro[0]), TS, T10, TY, T16, ovs);
}
}
}
}
}
VLEAVE();
}
static const kdft_desc desc = { 8, XSIMD_STRING("n2sv_8"), { 44, 0, 8, 0 }, &GENUS, 0, 1, 0, 0 };
void XSIMD(codelet_n2sv_8) (planner *p) { X(kdft_register) (p, n2sv_8, &desc);
}
#else
/* Generated by: ../../../genfft/gen_notw.native -simd -compact -variables 4 -pipeline-latency 8 -n 8 -name n2sv_8 -with-ostride 1 -include dft/simd/n2s.h -store-multiple 4 */
/*
* This function contains 52 FP additions, 4 FP multiplications,
* (or, 52 additions, 4 multiplications, 0 fused multiply/add),
* 34 stack variables, 1 constants, and 36 memory accesses
*/
#include "dft/simd/n2s.h"
static void n2sv_8(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
{
INT i;
for (i = v; i > 0; i = i - (2 * VL), ri = ri + ((2 * VL) * ivs), ii = ii + ((2 * VL) * ivs), ro = ro + ((2 * VL) * ovs), io = io + ((2 * VL) * ovs), MAKE_VOLATILE_STRIDE(32, is), MAKE_VOLATILE_STRIDE(32, os)) {
V T3, Tn, Ti, TC, T6, TB, Tl, To, Td, TN, Tz, TH, Ta, TM, Tu;
V TG;
{
V T1, T2, Tj, Tk;
T1 = LD(&(ri[0]), ivs, &(ri[0]));
T2 = LD(&(ri[WS(is, 4)]), ivs, &(ri[0]));
T3 = VADD(T1, T2);
Tn = VSUB(T1, T2);
{
V Tg, Th, T4, T5;
Tg = LD(&(ii[0]), ivs, &(ii[0]));
Th = LD(&(ii[WS(is, 4)]), ivs, &(ii[0]));
Ti = VADD(Tg, Th);
TC = VSUB(Tg, Th);
T4 = LD(&(ri[WS(is, 2)]), ivs, &(ri[0]));
T5 = LD(&(ri[WS(is, 6)]), ivs, &(ri[0]));
T6 = VADD(T4, T5);
TB = VSUB(T4, T5);
}
Tj = LD(&(ii[WS(is, 2)]), ivs, &(ii[0]));
Tk = LD(&(ii[WS(is, 6)]), ivs, &(ii[0]));
Tl = VADD(Tj, Tk);
To = VSUB(Tj, Tk);
{
V Tb, Tc, Tv, Tw, Tx, Ty;
Tb = LD(&(ri[WS(is, 7)]), ivs, &(ri[WS(is, 1)]));
Tc = LD(&(ri[WS(is, 3)]), ivs, &(ri[WS(is, 1)]));
Tv = VSUB(Tb, Tc);
Tw = LD(&(ii[WS(is, 7)]), ivs, &(ii[WS(is, 1)]));
Tx = LD(&(ii[WS(is, 3)]), ivs, &(ii[WS(is, 1)]));
Ty = VSUB(Tw, Tx);
Td = VADD(Tb, Tc);
TN = VADD(Tw, Tx);
Tz = VSUB(Tv, Ty);
TH = VADD(Tv, Ty);
}
{
V T8, T9, Tq, Tr, Ts, Tt;
T8 = LD(&(ri[WS(is, 1)]), ivs, &(ri[WS(is, 1)]));
T9 = LD(&(ri[WS(is, 5)]), ivs, &(ri[WS(is, 1)]));
Tq = VSUB(T8, T9);
Tr = LD(&(ii[WS(is, 1)]), ivs, &(ii[WS(is, 1)]));
Ts = LD(&(ii[WS(is, 5)]), ivs, &(ii[WS(is, 1)]));
Tt = VSUB(Tr, Ts);
Ta = VADD(T8, T9);
TM = VADD(Tr, Ts);
Tu = VADD(Tq, Tt);
TG = VSUB(Tt, Tq);
}
}
{
V TR, TS, TT, TU, TV, TW, TX, TY;
{
V T7, Te, TP, TQ;
T7 = VADD(T3, T6);
Te = VADD(Ta, Td);
TR = VSUB(T7, Te);
STM4(&(ro[4]), TR, ovs, &(ro[0]));
TS = VADD(T7, Te);
STM4(&(ro[0]), TS, ovs, &(ro[0]));
TP = VADD(Ti, Tl);
TQ = VADD(TM, TN);
TT = VSUB(TP, TQ);
STM4(&(io[4]), TT, ovs, &(io[0]));
TU = VADD(TP, TQ);
STM4(&(io[0]), TU, ovs, &(io[0]));
}
{
V Tf, Tm, TL, TO;
Tf = VSUB(Td, Ta);
Tm = VSUB(Ti, Tl);
TV = VADD(Tf, Tm);
STM4(&(io[2]), TV, ovs, &(io[0]));
TW = VSUB(Tm, Tf);
STM4(&(io[6]), TW, ovs, &(io[0]));
TL = VSUB(T3, T6);
TO = VSUB(TM, TN);
TX = VSUB(TL, TO);
STM4(&(ro[6]), TX, ovs, &(ro[0]));
TY = VADD(TL, TO);
STM4(&(ro[2]), TY, ovs, &(ro[0]));
}
{
V TZ, T10, T11, T12;
{
V Tp, TA, TJ, TK;
Tp = VADD(Tn, To);
TA = VMUL(LDK(KP707106781), VADD(Tu, Tz));
TZ = VSUB(Tp, TA);
STM4(&(ro[5]), TZ, ovs, &(ro[1]));
T10 = VADD(Tp, TA);
STM4(&(ro[1]), T10, ovs, &(ro[1]));
TJ = VSUB(TC, TB);
TK = VMUL(LDK(KP707106781), VADD(TG, TH));
T11 = VSUB(TJ, TK);
STM4(&(io[5]), T11, ovs, &(io[1]));
T12 = VADD(TJ, TK);
STM4(&(io[1]), T12, ovs, &(io[1]));
}
{
V TD, TE, T13, T14;
TD = VADD(TB, TC);
TE = VMUL(LDK(KP707106781), VSUB(Tz, Tu));
T13 = VSUB(TD, TE);
STM4(&(io[7]), T13, ovs, &(io[1]));
STN4(&(io[4]), TT, T11, TW, T13, ovs);
T14 = VADD(TD, TE);
STM4(&(io[3]), T14, ovs, &(io[1]));
STN4(&(io[0]), TU, T12, TV, T14, ovs);
}
{
V TF, TI, T15, T16;
TF = VSUB(Tn, To);
TI = VMUL(LDK(KP707106781), VSUB(TG, TH));
T15 = VSUB(TF, TI);
STM4(&(ro[7]), T15, ovs, &(ro[1]));
STN4(&(ro[4]), TR, TZ, TX, T15, ovs);
T16 = VADD(TF, TI);
STM4(&(ro[3]), T16, ovs, &(ro[1]));
STN4(&(ro[0]), TS, T10, TY, T16, ovs);
}
}
}
}
}
VLEAVE();
}
static const kdft_desc desc = { 8, XSIMD_STRING("n2sv_8"), { 52, 4, 0, 0 }, &GENUS, 0, 1, 0, 0 };
void XSIMD(codelet_n2sv_8) (planner *p) { X(kdft_register) (p, n2sv_8, &desc);
}
#endif
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