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220
fftw-3.3.10/dft/simd/common/t1fv_8.c
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fftw-3.3.10/dft/simd/common/t1fv_8.c
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/*
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* Copyright (c) 2003, 2007-14 Matteo Frigo
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* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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/* This file was automatically generated --- DO NOT EDIT */
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/* Generated on Tue Sep 14 10:45:28 EDT 2021 */
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#include "dft/codelet-dft.h"
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#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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/* Generated by: ../../../genfft/gen_twiddle_c.native -fma -simd -compact -variables 4 -pipeline-latency 8 -n 8 -name t1fv_8 -include dft/simd/t1f.h */
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/*
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* This function contains 33 FP additions, 24 FP multiplications,
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* (or, 23 additions, 14 multiplications, 10 fused multiply/add),
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* 24 stack variables, 1 constants, and 16 memory accesses
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*/
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#include "dft/simd/t1f.h"
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static void t1fv_8(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
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{
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DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
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{
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INT m;
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R *x;
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x = ri;
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for (m = mb, W = W + (mb * ((TWVL / VL) * 14)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 14), MAKE_VOLATILE_STRIDE(8, rs)) {
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V T4, Tq, Tl, Tr, T9, Tt, Te, Tu, T1, T3, T2;
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T1 = LD(&(x[0]), ms, &(x[0]));
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T2 = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
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T3 = BYTWJ(&(W[TWVL * 6]), T2);
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T4 = VSUB(T1, T3);
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Tq = VADD(T1, T3);
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{
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V Ti, Tk, Th, Tj;
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Th = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
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Ti = BYTWJ(&(W[TWVL * 2]), Th);
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Tj = LD(&(x[WS(rs, 6)]), ms, &(x[0]));
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Tk = BYTWJ(&(W[TWVL * 10]), Tj);
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Tl = VSUB(Ti, Tk);
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Tr = VADD(Ti, Tk);
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}
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{
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V T6, T8, T5, T7;
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T5 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
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T6 = BYTWJ(&(W[0]), T5);
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T7 = LD(&(x[WS(rs, 5)]), ms, &(x[WS(rs, 1)]));
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T8 = BYTWJ(&(W[TWVL * 8]), T7);
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T9 = VSUB(T6, T8);
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Tt = VADD(T6, T8);
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}
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{
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V Tb, Td, Ta, Tc;
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Ta = LD(&(x[WS(rs, 7)]), ms, &(x[WS(rs, 1)]));
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Tb = BYTWJ(&(W[TWVL * 12]), Ta);
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Tc = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
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Td = BYTWJ(&(W[TWVL * 4]), Tc);
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Te = VSUB(Tb, Td);
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Tu = VADD(Tb, Td);
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}
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{
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V Ts, Tv, Tw, Tx;
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Ts = VADD(Tq, Tr);
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Tv = VADD(Tt, Tu);
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ST(&(x[WS(rs, 4)]), VSUB(Ts, Tv), ms, &(x[0]));
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ST(&(x[0]), VADD(Ts, Tv), ms, &(x[0]));
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Tw = VSUB(Tq, Tr);
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Tx = VSUB(Tu, Tt);
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ST(&(x[WS(rs, 6)]), VFNMSI(Tx, Tw), ms, &(x[0]));
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ST(&(x[WS(rs, 2)]), VFMAI(Tx, Tw), ms, &(x[0]));
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{
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V Tg, To, Tn, Tp, Tf, Tm;
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Tf = VADD(T9, Te);
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Tg = VFMA(LDK(KP707106781), Tf, T4);
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To = VFNMS(LDK(KP707106781), Tf, T4);
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Tm = VSUB(Te, T9);
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Tn = VFNMS(LDK(KP707106781), Tm, Tl);
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Tp = VFMA(LDK(KP707106781), Tm, Tl);
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ST(&(x[WS(rs, 1)]), VFNMSI(Tn, Tg), ms, &(x[WS(rs, 1)]));
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ST(&(x[WS(rs, 3)]), VFMAI(Tp, To), ms, &(x[WS(rs, 1)]));
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ST(&(x[WS(rs, 7)]), VFMAI(Tn, Tg), ms, &(x[WS(rs, 1)]));
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ST(&(x[WS(rs, 5)]), VFNMSI(Tp, To), ms, &(x[WS(rs, 1)]));
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}
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}
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}
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}
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VLEAVE();
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}
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static const tw_instr twinstr[] = {
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VTW(0, 1),
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VTW(0, 2),
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VTW(0, 3),
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VTW(0, 4),
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VTW(0, 5),
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VTW(0, 6),
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VTW(0, 7),
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{ TW_NEXT, VL, 0 }
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};
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static const ct_desc desc = { 8, XSIMD_STRING("t1fv_8"), twinstr, &GENUS, { 23, 14, 10, 0 }, 0, 0, 0 };
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void XSIMD(codelet_t1fv_8) (planner *p) {
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X(kdft_dit_register) (p, t1fv_8, &desc);
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}
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#else
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/* Generated by: ../../../genfft/gen_twiddle_c.native -simd -compact -variables 4 -pipeline-latency 8 -n 8 -name t1fv_8 -include dft/simd/t1f.h */
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/*
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* This function contains 33 FP additions, 16 FP multiplications,
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* (or, 33 additions, 16 multiplications, 0 fused multiply/add),
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* 24 stack variables, 1 constants, and 16 memory accesses
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*/
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#include "dft/simd/t1f.h"
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static void t1fv_8(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
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{
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DVK(KP707106781, +0.707106781186547524400844362104849039284835938);
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{
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INT m;
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R *x;
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x = ri;
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for (m = mb, W = W + (mb * ((TWVL / VL) * 14)); m < me; m = m + VL, x = x + (VL * ms), W = W + (TWVL * 14), MAKE_VOLATILE_STRIDE(8, rs)) {
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V T4, Tq, Tm, Tr, T9, Tt, Te, Tu, T1, T3, T2;
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T1 = LD(&(x[0]), ms, &(x[0]));
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T2 = LD(&(x[WS(rs, 4)]), ms, &(x[0]));
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T3 = BYTWJ(&(W[TWVL * 6]), T2);
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T4 = VSUB(T1, T3);
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Tq = VADD(T1, T3);
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{
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V Tj, Tl, Ti, Tk;
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Ti = LD(&(x[WS(rs, 2)]), ms, &(x[0]));
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Tj = BYTWJ(&(W[TWVL * 2]), Ti);
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Tk = LD(&(x[WS(rs, 6)]), ms, &(x[0]));
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Tl = BYTWJ(&(W[TWVL * 10]), Tk);
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Tm = VSUB(Tj, Tl);
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Tr = VADD(Tj, Tl);
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}
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{
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V T6, T8, T5, T7;
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T5 = LD(&(x[WS(rs, 1)]), ms, &(x[WS(rs, 1)]));
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T6 = BYTWJ(&(W[0]), T5);
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T7 = LD(&(x[WS(rs, 5)]), ms, &(x[WS(rs, 1)]));
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T8 = BYTWJ(&(W[TWVL * 8]), T7);
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T9 = VSUB(T6, T8);
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Tt = VADD(T6, T8);
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}
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{
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V Tb, Td, Ta, Tc;
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Ta = LD(&(x[WS(rs, 7)]), ms, &(x[WS(rs, 1)]));
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Tb = BYTWJ(&(W[TWVL * 12]), Ta);
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Tc = LD(&(x[WS(rs, 3)]), ms, &(x[WS(rs, 1)]));
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Td = BYTWJ(&(W[TWVL * 4]), Tc);
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Te = VSUB(Tb, Td);
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Tu = VADD(Tb, Td);
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}
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{
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V Ts, Tv, Tw, Tx;
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Ts = VADD(Tq, Tr);
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Tv = VADD(Tt, Tu);
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ST(&(x[WS(rs, 4)]), VSUB(Ts, Tv), ms, &(x[0]));
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ST(&(x[0]), VADD(Ts, Tv), ms, &(x[0]));
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Tw = VSUB(Tq, Tr);
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Tx = VBYI(VSUB(Tu, Tt));
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ST(&(x[WS(rs, 6)]), VSUB(Tw, Tx), ms, &(x[0]));
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ST(&(x[WS(rs, 2)]), VADD(Tw, Tx), ms, &(x[0]));
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{
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V Tg, To, Tn, Tp, Tf, Th;
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Tf = VMUL(LDK(KP707106781), VADD(T9, Te));
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Tg = VADD(T4, Tf);
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To = VSUB(T4, Tf);
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Th = VMUL(LDK(KP707106781), VSUB(Te, T9));
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Tn = VBYI(VSUB(Th, Tm));
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Tp = VBYI(VADD(Tm, Th));
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ST(&(x[WS(rs, 7)]), VSUB(Tg, Tn), ms, &(x[WS(rs, 1)]));
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ST(&(x[WS(rs, 3)]), VADD(To, Tp), ms, &(x[WS(rs, 1)]));
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ST(&(x[WS(rs, 1)]), VADD(Tg, Tn), ms, &(x[WS(rs, 1)]));
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ST(&(x[WS(rs, 5)]), VSUB(To, Tp), ms, &(x[WS(rs, 1)]));
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}
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}
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}
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}
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VLEAVE();
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}
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static const tw_instr twinstr[] = {
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VTW(0, 1),
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VTW(0, 2),
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VTW(0, 3),
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VTW(0, 4),
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VTW(0, 5),
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VTW(0, 6),
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VTW(0, 7),
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{ TW_NEXT, VL, 0 }
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};
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static const ct_desc desc = { 8, XSIMD_STRING("t1fv_8"), twinstr, &GENUS, { 33, 16, 0, 0 }, 0, 0, 0 };
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void XSIMD(codelet_t1fv_8) (planner *p) {
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X(kdft_dit_register) (p, t1fv_8, &desc);
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}
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#endif
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