203 lines
6.5 KiB
C
203 lines
6.5 KiB
C
/*
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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 10:45:58 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.native -fma -simd -compact -variables 4 -pipeline-latency 8 -n 4 -name t1sv_4 -include dft/simd/ts.h */
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/*
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* This function contains 22 FP additions, 12 FP multiplications,
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* (or, 16 additions, 6 multiplications, 6 fused multiply/add),
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* 15 stack variables, 0 constants, and 16 memory accesses
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*/
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#include "dft/simd/ts.h"
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static void t1sv_4(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
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{
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{
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INT m;
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for (m = mb, W = W + (mb * 6); m < me; m = m + (2 * VL), ri = ri + ((2 * VL) * ms), ii = ii + ((2 * VL) * ms), W = W + ((2 * VL) * 6), MAKE_VOLATILE_STRIDE(8, rs)) {
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V T1, Tv, T7, Tu, Te, To, Tk, Tq;
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T1 = LD(&(ri[0]), ms, &(ri[0]));
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Tv = LD(&(ii[0]), ms, &(ii[0]));
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{
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V T3, T6, T4, Tt, T2, T5;
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T3 = LD(&(ri[WS(rs, 2)]), ms, &(ri[0]));
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T6 = LD(&(ii[WS(rs, 2)]), ms, &(ii[0]));
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T2 = LDW(&(W[TWVL * 2]));
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T4 = VMUL(T2, T3);
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Tt = VMUL(T2, T6);
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T5 = LDW(&(W[TWVL * 3]));
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T7 = VFMA(T5, T6, T4);
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Tu = VFNMS(T5, T3, Tt);
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}
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{
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V Ta, Td, Tb, Tn, T9, Tc;
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Ta = LD(&(ri[WS(rs, 1)]), ms, &(ri[WS(rs, 1)]));
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Td = LD(&(ii[WS(rs, 1)]), ms, &(ii[WS(rs, 1)]));
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T9 = LDW(&(W[0]));
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Tb = VMUL(T9, Ta);
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Tn = VMUL(T9, Td);
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Tc = LDW(&(W[TWVL * 1]));
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Te = VFMA(Tc, Td, Tb);
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To = VFNMS(Tc, Ta, Tn);
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}
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{
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V Tg, Tj, Th, Tp, Tf, Ti;
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Tg = LD(&(ri[WS(rs, 3)]), ms, &(ri[WS(rs, 1)]));
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Tj = LD(&(ii[WS(rs, 3)]), ms, &(ii[WS(rs, 1)]));
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Tf = LDW(&(W[TWVL * 4]));
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Th = VMUL(Tf, Tg);
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Tp = VMUL(Tf, Tj);
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Ti = LDW(&(W[TWVL * 5]));
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Tk = VFMA(Ti, Tj, Th);
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Tq = VFNMS(Ti, Tg, Tp);
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}
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{
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V T8, Tl, Ts, Tw;
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T8 = VADD(T1, T7);
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Tl = VADD(Te, Tk);
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ST(&(ri[WS(rs, 2)]), VSUB(T8, Tl), ms, &(ri[0]));
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ST(&(ri[0]), VADD(T8, Tl), ms, &(ri[0]));
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Ts = VADD(To, Tq);
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Tw = VADD(Tu, Tv);
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ST(&(ii[0]), VADD(Ts, Tw), ms, &(ii[0]));
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ST(&(ii[WS(rs, 2)]), VSUB(Tw, Ts), ms, &(ii[0]));
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}
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{
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V Tm, Tr, Tx, Ty;
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Tm = VSUB(T1, T7);
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Tr = VSUB(To, Tq);
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ST(&(ri[WS(rs, 3)]), VSUB(Tm, Tr), ms, &(ri[WS(rs, 1)]));
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ST(&(ri[WS(rs, 1)]), VADD(Tm, Tr), ms, &(ri[WS(rs, 1)]));
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Tx = VSUB(Tv, Tu);
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Ty = VSUB(Te, Tk);
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ST(&(ii[WS(rs, 1)]), VSUB(Tx, Ty), ms, &(ii[WS(rs, 1)]));
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ST(&(ii[WS(rs, 3)]), VADD(Ty, Tx), ms, &(ii[WS(rs, 1)]));
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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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{ TW_NEXT, (2 * VL), 0 }
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};
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static const ct_desc desc = { 4, XSIMD_STRING("t1sv_4"), twinstr, &GENUS, { 16, 6, 6, 0 }, 0, 0, 0 };
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void XSIMD(codelet_t1sv_4) (planner *p) {
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X(kdft_dit_register) (p, t1sv_4, &desc);
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}
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#else
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/* Generated by: ../../../genfft/gen_twiddle.native -simd -compact -variables 4 -pipeline-latency 8 -n 4 -name t1sv_4 -include dft/simd/ts.h */
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/*
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* This function contains 22 FP additions, 12 FP multiplications,
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* (or, 16 additions, 6 multiplications, 6 fused multiply/add),
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* 13 stack variables, 0 constants, and 16 memory accesses
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*/
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#include "dft/simd/ts.h"
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static void t1sv_4(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
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{
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{
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INT m;
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for (m = mb, W = W + (mb * 6); m < me; m = m + (2 * VL), ri = ri + ((2 * VL) * ms), ii = ii + ((2 * VL) * ms), W = W + ((2 * VL) * 6), MAKE_VOLATILE_STRIDE(8, rs)) {
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V T1, Tp, T6, To, Tc, Tk, Th, Tl;
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T1 = LD(&(ri[0]), ms, &(ri[0]));
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Tp = LD(&(ii[0]), ms, &(ii[0]));
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{
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V T3, T5, T2, T4;
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T3 = LD(&(ri[WS(rs, 2)]), ms, &(ri[0]));
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T5 = LD(&(ii[WS(rs, 2)]), ms, &(ii[0]));
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T2 = LDW(&(W[TWVL * 2]));
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T4 = LDW(&(W[TWVL * 3]));
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T6 = VFMA(T2, T3, VMUL(T4, T5));
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To = VFNMS(T4, T3, VMUL(T2, T5));
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}
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{
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V T9, Tb, T8, Ta;
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T9 = LD(&(ri[WS(rs, 1)]), ms, &(ri[WS(rs, 1)]));
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Tb = LD(&(ii[WS(rs, 1)]), ms, &(ii[WS(rs, 1)]));
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T8 = LDW(&(W[0]));
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Ta = LDW(&(W[TWVL * 1]));
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Tc = VFMA(T8, T9, VMUL(Ta, Tb));
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Tk = VFNMS(Ta, T9, VMUL(T8, Tb));
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}
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{
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V Te, Tg, Td, Tf;
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Te = LD(&(ri[WS(rs, 3)]), ms, &(ri[WS(rs, 1)]));
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Tg = LD(&(ii[WS(rs, 3)]), ms, &(ii[WS(rs, 1)]));
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Td = LDW(&(W[TWVL * 4]));
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Tf = LDW(&(W[TWVL * 5]));
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Th = VFMA(Td, Te, VMUL(Tf, Tg));
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Tl = VFNMS(Tf, Te, VMUL(Td, Tg));
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}
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{
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V T7, Ti, Tn, Tq;
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T7 = VADD(T1, T6);
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Ti = VADD(Tc, Th);
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ST(&(ri[WS(rs, 2)]), VSUB(T7, Ti), ms, &(ri[0]));
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ST(&(ri[0]), VADD(T7, Ti), ms, &(ri[0]));
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Tn = VADD(Tk, Tl);
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Tq = VADD(To, Tp);
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ST(&(ii[0]), VADD(Tn, Tq), ms, &(ii[0]));
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ST(&(ii[WS(rs, 2)]), VSUB(Tq, Tn), ms, &(ii[0]));
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}
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{
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V Tj, Tm, Tr, Ts;
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Tj = VSUB(T1, T6);
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Tm = VSUB(Tk, Tl);
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ST(&(ri[WS(rs, 3)]), VSUB(Tj, Tm), ms, &(ri[WS(rs, 1)]));
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ST(&(ri[WS(rs, 1)]), VADD(Tj, Tm), ms, &(ri[WS(rs, 1)]));
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Tr = VSUB(Tp, To);
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Ts = VSUB(Tc, Th);
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ST(&(ii[WS(rs, 1)]), VSUB(Tr, Ts), ms, &(ii[WS(rs, 1)]));
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ST(&(ii[WS(rs, 3)]), VADD(Ts, Tr), ms, &(ii[WS(rs, 1)]));
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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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{ TW_NEXT, (2 * VL), 0 }
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};
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static const ct_desc desc = { 4, XSIMD_STRING("t1sv_4"), twinstr, &GENUS, { 16, 6, 6, 0 }, 0, 0, 0 };
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void XSIMD(codelet_t1sv_4) (planner *p) {
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X(kdft_dit_register) (p, t1sv_4, &desc);
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}
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#endif
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