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furnace/extern/fftw/dft/simd/common/n2fv_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 10:45:12 EDT 2021 */
#include "dft/codelet-dft.h"
#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
/* Generated by: ../../../genfft/gen_notw_c.native -fma -simd -compact -variables 4 -pipeline-latency 8 -n 8 -name n2fv_8 -with-ostride 2 -include dft/simd/n2f.h -store-multiple 2 */
/*
* This function contains 26 FP additions, 10 FP multiplications,
* (or, 16 additions, 0 multiplications, 10 fused multiply/add),
* 24 stack variables, 1 constants, and 20 memory accesses
*/
#include "dft/simd/n2f.h"
static void n2fv_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;
const R *xi;
R *xo;
xi = ri;
xo = ro;
for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(16, is), MAKE_VOLATILE_STRIDE(16, os)) {
V T3, Tj, Te, Tk, Ta, Tn, Tf, Tm, Tr, Tu;
{
V T1, T2, Tc, Td;
T1 = LD(&(xi[0]), ivs, &(xi[0]));
T2 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
T3 = VSUB(T1, T2);
Tj = VADD(T1, T2);
Tc = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
Td = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
Te = VSUB(Tc, Td);
Tk = VADD(Tc, Td);
{
V T4, T5, T6, T7, T8, T9;
T4 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
T5 = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
T6 = VSUB(T4, T5);
T7 = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
T8 = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
T9 = VSUB(T7, T8);
Ta = VADD(T6, T9);
Tn = VADD(T7, T8);
Tf = VSUB(T9, T6);
Tm = VADD(T4, T5);
}
}
{
V Ts, Tb, Tg, Tp, Tq, Tt;
Tb = VFMA(LDK(KP707106781), Ta, T3);
Tg = VFNMS(LDK(KP707106781), Tf, Te);
Tr = VFNMSI(Tg, Tb);
STM2(&(xo[2]), Tr, ovs, &(xo[2]));
Ts = VFMAI(Tg, Tb);
STM2(&(xo[14]), Ts, ovs, &(xo[2]));
Tp = VSUB(Tj, Tk);
Tq = VSUB(Tn, Tm);
Tt = VFNMSI(Tq, Tp);
STM2(&(xo[12]), Tt, ovs, &(xo[0]));
STN2(&(xo[12]), Tt, Ts, ovs);
Tu = VFMAI(Tq, Tp);
STM2(&(xo[4]), Tu, ovs, &(xo[0]));
}
{
V Tv, Th, Ti, Tw;
Th = VFNMS(LDK(KP707106781), Ta, T3);
Ti = VFMA(LDK(KP707106781), Tf, Te);
Tv = VFNMSI(Ti, Th);
STM2(&(xo[10]), Tv, ovs, &(xo[2]));
Tw = VFMAI(Ti, Th);
STM2(&(xo[6]), Tw, ovs, &(xo[2]));
STN2(&(xo[4]), Tu, Tw, ovs);
{
V Tl, To, Tx, Ty;
Tl = VADD(Tj, Tk);
To = VADD(Tm, Tn);
Tx = VSUB(Tl, To);
STM2(&(xo[8]), Tx, ovs, &(xo[0]));
STN2(&(xo[8]), Tx, Tv, ovs);
Ty = VADD(Tl, To);
STM2(&(xo[0]), Ty, ovs, &(xo[0]));
STN2(&(xo[0]), Ty, Tr, ovs);
}
}
}
}
VLEAVE();
}
static const kdft_desc desc = { 8, XSIMD_STRING("n2fv_8"), { 16, 0, 10, 0 }, &GENUS, 0, 2, 0, 0 };
void XSIMD(codelet_n2fv_8) (planner *p) { X(kdft_register) (p, n2fv_8, &desc);
}
#else
/* Generated by: ../../../genfft/gen_notw_c.native -simd -compact -variables 4 -pipeline-latency 8 -n 8 -name n2fv_8 -with-ostride 2 -include dft/simd/n2f.h -store-multiple 2 */
/*
* This function contains 26 FP additions, 2 FP multiplications,
* (or, 26 additions, 2 multiplications, 0 fused multiply/add),
* 24 stack variables, 1 constants, and 20 memory accesses
*/
#include "dft/simd/n2f.h"
static void n2fv_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;
const R *xi;
R *xo;
xi = ri;
xo = ro;
for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(16, is), MAKE_VOLATILE_STRIDE(16, os)) {
V T3, Tj, Tf, Tk, Ta, Tn, Tc, Tm, Ts, Tu;
{
V T1, T2, Td, Te;
T1 = LD(&(xi[0]), ivs, &(xi[0]));
T2 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
T3 = VSUB(T1, T2);
Tj = VADD(T1, T2);
Td = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
Te = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
Tf = VSUB(Td, Te);
Tk = VADD(Td, Te);
{
V T4, T5, T6, T7, T8, T9;
T4 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
T5 = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
T6 = VSUB(T4, T5);
T7 = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
T8 = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
T9 = VSUB(T7, T8);
Ta = VMUL(LDK(KP707106781), VADD(T6, T9));
Tn = VADD(T7, T8);
Tc = VMUL(LDK(KP707106781), VSUB(T9, T6));
Tm = VADD(T4, T5);
}
}
{
V Tr, Tb, Tg, Tp, Tq, Tt;
Tb = VADD(T3, Ta);
Tg = VBYI(VSUB(Tc, Tf));
Tr = VSUB(Tb, Tg);
STM2(&(xo[14]), Tr, ovs, &(xo[2]));
Ts = VADD(Tb, Tg);
STM2(&(xo[2]), Ts, ovs, &(xo[2]));
Tp = VSUB(Tj, Tk);
Tq = VBYI(VSUB(Tn, Tm));
Tt = VSUB(Tp, Tq);
STM2(&(xo[12]), Tt, ovs, &(xo[0]));
STN2(&(xo[12]), Tt, Tr, ovs);
Tu = VADD(Tp, Tq);
STM2(&(xo[4]), Tu, ovs, &(xo[0]));
}
{
V Tv, Th, Ti, Tw;
Th = VSUB(T3, Ta);
Ti = VBYI(VADD(Tf, Tc));
Tv = VSUB(Th, Ti);
STM2(&(xo[10]), Tv, ovs, &(xo[2]));
Tw = VADD(Th, Ti);
STM2(&(xo[6]), Tw, ovs, &(xo[2]));
STN2(&(xo[4]), Tu, Tw, ovs);
{
V Tl, To, Tx, Ty;
Tl = VADD(Tj, Tk);
To = VADD(Tm, Tn);
Tx = VSUB(Tl, To);
STM2(&(xo[8]), Tx, ovs, &(xo[0]));
STN2(&(xo[8]), Tx, Tv, ovs);
Ty = VADD(Tl, To);
STM2(&(xo[0]), Ty, ovs, &(xo[0]));
STN2(&(xo[0]), Ty, Ts, ovs);
}
}
}
}
VLEAVE();
}
static const kdft_desc desc = { 8, XSIMD_STRING("n2fv_8"), { 26, 2, 0, 0 }, &GENUS, 0, 2, 0, 0 };
void XSIMD(codelet_n2fv_8) (planner *p) { X(kdft_register) (p, n2fv_8, &desc);
}
#endif
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