150 lines
4.5 KiB
C
150 lines
4.5 KiB
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 10:44:41 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_twidsq.native -fma -compact -variables 4 -pipeline-latency 4 -reload-twiddle -dif -n 2 -name q1_2 -include dft/scalar/q.h */
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/*
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* This function contains 12 FP additions, 8 FP multiplications,
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* (or, 8 additions, 4 multiplications, 4 fused multiply/add),
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* 17 stack variables, 0 constants, and 16 memory accesses
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*/
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#include "dft/scalar/q.h"
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static void q1_2(R *rio, R *iio, const R *W, stride rs, stride vs, 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 * 2); m < me; m = m + 1, rio = rio + ms, iio = iio + ms, W = W + 2, MAKE_VOLATILE_STRIDE(4, rs), MAKE_VOLATILE_STRIDE(0, vs)) {
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E T1, T2, T4, T7, T8, T9, Tb, Tc, Te, Th, Ti, Tj;
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T1 = rio[0];
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T2 = rio[WS(rs, 1)];
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T4 = T1 - T2;
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T7 = iio[0];
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T8 = iio[WS(rs, 1)];
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T9 = T7 - T8;
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Tb = rio[WS(vs, 1)];
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Tc = rio[WS(vs, 1) + WS(rs, 1)];
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Te = Tb - Tc;
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Th = iio[WS(vs, 1)];
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Ti = iio[WS(vs, 1) + WS(rs, 1)];
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Tj = Th - Ti;
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rio[0] = T1 + T2;
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iio[0] = T7 + T8;
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rio[WS(rs, 1)] = Tb + Tc;
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iio[WS(rs, 1)] = Th + Ti;
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{
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E Tf, Tk, Td, Tg;
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Td = W[0];
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Tf = Td * Te;
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Tk = Td * Tj;
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Tg = W[1];
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rio[WS(vs, 1) + WS(rs, 1)] = FMA(Tg, Tj, Tf);
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iio[WS(vs, 1) + WS(rs, 1)] = FNMS(Tg, Te, Tk);
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}
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{
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E T5, Ta, T3, T6;
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T3 = W[0];
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T5 = T3 * T4;
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Ta = T3 * T9;
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T6 = W[1];
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rio[WS(vs, 1)] = FMA(T6, T9, T5);
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iio[WS(vs, 1)] = FNMS(T6, T4, Ta);
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}
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}
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}
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}
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static const tw_instr twinstr[] = {
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{ TW_FULL, 0, 2 },
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{ TW_NEXT, 1, 0 }
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};
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static const ct_desc desc = { 2, "q1_2", twinstr, &GENUS, { 8, 4, 4, 0 }, 0, 0, 0 };
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void X(codelet_q1_2) (planner *p) {
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X(kdft_difsq_register) (p, q1_2, &desc);
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}
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#else
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/* Generated by: ../../../genfft/gen_twidsq.native -compact -variables 4 -pipeline-latency 4 -reload-twiddle -dif -n 2 -name q1_2 -include dft/scalar/q.h */
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/*
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* This function contains 12 FP additions, 8 FP multiplications,
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* (or, 8 additions, 4 multiplications, 4 fused multiply/add),
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* 17 stack variables, 0 constants, and 16 memory accesses
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*/
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#include "dft/scalar/q.h"
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static void q1_2(R *rio, R *iio, const R *W, stride rs, stride vs, 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 * 2); m < me; m = m + 1, rio = rio + ms, iio = iio + ms, W = W + 2, MAKE_VOLATILE_STRIDE(4, rs), MAKE_VOLATILE_STRIDE(0, vs)) {
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E T1, T2, T4, T6, T7, T8, T9, Ta, Tc, Te, Tf, Tg;
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T1 = rio[0];
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T2 = rio[WS(rs, 1)];
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T4 = T1 - T2;
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T6 = iio[0];
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T7 = iio[WS(rs, 1)];
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T8 = T6 - T7;
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T9 = rio[WS(vs, 1)];
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Ta = rio[WS(vs, 1) + WS(rs, 1)];
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Tc = T9 - Ta;
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Te = iio[WS(vs, 1)];
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Tf = iio[WS(vs, 1) + WS(rs, 1)];
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Tg = Te - Tf;
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rio[0] = T1 + T2;
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iio[0] = T6 + T7;
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rio[WS(rs, 1)] = T9 + Ta;
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iio[WS(rs, 1)] = Te + Tf;
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{
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E Tb, Td, T3, T5;
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Tb = W[0];
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Td = W[1];
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rio[WS(vs, 1) + WS(rs, 1)] = FMA(Tb, Tc, Td * Tg);
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iio[WS(vs, 1) + WS(rs, 1)] = FNMS(Td, Tc, Tb * Tg);
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T3 = W[0];
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T5 = W[1];
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rio[WS(vs, 1)] = FMA(T3, T4, T5 * T8);
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iio[WS(vs, 1)] = FNMS(T5, T4, T3 * T8);
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}
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}
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}
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}
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static const tw_instr twinstr[] = {
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{ TW_FULL, 0, 2 },
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{ TW_NEXT, 1, 0 }
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};
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static const ct_desc desc = { 2, "q1_2", twinstr, &GENUS, { 8, 4, 4, 0 }, 0, 0, 0 };
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void X(codelet_q1_2) (planner *p) {
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X(kdft_difsq_register) (p, q1_2, &desc);
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}
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#endif
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