163 lines
5.4 KiB
C
163 lines
5.4 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 10:46:24 EDT 2021 */
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#include "rdft/codelet-rdft.h"
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#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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/* Generated by: ../../../genfft/gen_r2cf.native -fma -compact -variables 4 -pipeline-latency 4 -n 8 -name r2cfII_8 -dft-II -include rdft/scalar/r2cfII.h */
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/*
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* This function contains 22 FP additions, 16 FP multiplications,
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* (or, 6 additions, 0 multiplications, 16 fused multiply/add),
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* 18 stack variables, 3 constants, and 16 memory accesses
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*/
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#include "rdft/scalar/r2cfII.h"
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static void r2cfII_8(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
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{
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DK(KP923879532, +0.923879532511286756128183189396788286822416626);
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DK(KP707106781, +0.707106781186547524400844362104849039284835938);
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DK(KP414213562, +0.414213562373095048801688724209698078569671875);
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{
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INT i;
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for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(32, rs), MAKE_VOLATILE_STRIDE(32, csr), MAKE_VOLATILE_STRIDE(32, csi)) {
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E T1, Th, T4, Ti, T8, Te, Tb, Tf, T2, T3;
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T1 = R0[0];
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Th = R0[WS(rs, 2)];
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T2 = R0[WS(rs, 1)];
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T3 = R0[WS(rs, 3)];
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T4 = T2 - T3;
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Ti = T2 + T3;
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{
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E T6, T7, T9, Ta;
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T6 = R1[0];
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T7 = R1[WS(rs, 2)];
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T8 = FNMS(KP414213562, T7, T6);
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Te = FMA(KP414213562, T6, T7);
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T9 = R1[WS(rs, 3)];
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Ta = R1[WS(rs, 1)];
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Tb = FMS(KP414213562, Ta, T9);
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Tf = FMA(KP414213562, T9, Ta);
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}
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{
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E T5, Tc, Tj, Tk;
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T5 = FMA(KP707106781, T4, T1);
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Tc = T8 + Tb;
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Cr[WS(csr, 3)] = FNMS(KP923879532, Tc, T5);
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Cr[0] = FMA(KP923879532, Tc, T5);
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Tj = FMA(KP707106781, Ti, Th);
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Tk = Te + Tf;
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Ci[0] = -(FMA(KP923879532, Tk, Tj));
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Ci[WS(csi, 3)] = FNMS(KP923879532, Tk, Tj);
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}
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{
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E Td, Tg, Tl, Tm;
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Td = FNMS(KP707106781, T4, T1);
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Tg = Te - Tf;
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Cr[WS(csr, 2)] = FNMS(KP923879532, Tg, Td);
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Cr[WS(csr, 1)] = FMA(KP923879532, Tg, Td);
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Tl = FNMS(KP707106781, Ti, Th);
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Tm = Tb - T8;
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Ci[WS(csi, 2)] = FMS(KP923879532, Tm, Tl);
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Ci[WS(csi, 1)] = FMA(KP923879532, Tm, Tl);
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}
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}
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}
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}
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static const kr2c_desc desc = { 8, "r2cfII_8", { 6, 0, 16, 0 }, &GENUS };
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void X(codelet_r2cfII_8) (planner *p) { X(kr2c_register) (p, r2cfII_8, &desc);
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}
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#else
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/* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 8 -name r2cfII_8 -dft-II -include rdft/scalar/r2cfII.h */
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/*
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* This function contains 22 FP additions, 10 FP multiplications,
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* (or, 18 additions, 6 multiplications, 4 fused multiply/add),
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* 18 stack variables, 3 constants, and 16 memory accesses
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*/
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#include "rdft/scalar/r2cfII.h"
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static void r2cfII_8(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
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{
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DK(KP382683432, +0.382683432365089771728459984030398866761344562);
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DK(KP923879532, +0.923879532511286756128183189396788286822416626);
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DK(KP707106781, +0.707106781186547524400844362104849039284835938);
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{
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INT i;
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for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(32, rs), MAKE_VOLATILE_STRIDE(32, csr), MAKE_VOLATILE_STRIDE(32, csi)) {
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E T1, Tj, T4, Ti, T8, Te, Tb, Tf, T2, T3;
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T1 = R0[0];
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Tj = R0[WS(rs, 2)];
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T2 = R0[WS(rs, 1)];
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T3 = R0[WS(rs, 3)];
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T4 = KP707106781 * (T2 - T3);
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Ti = KP707106781 * (T2 + T3);
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{
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E T6, T7, T9, Ta;
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T6 = R1[0];
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T7 = R1[WS(rs, 2)];
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T8 = FNMS(KP382683432, T7, KP923879532 * T6);
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Te = FMA(KP382683432, T6, KP923879532 * T7);
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T9 = R1[WS(rs, 1)];
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Ta = R1[WS(rs, 3)];
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Tb = FNMS(KP923879532, Ta, KP382683432 * T9);
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Tf = FMA(KP923879532, T9, KP382683432 * Ta);
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}
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{
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E T5, Tc, Th, Tk;
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T5 = T1 + T4;
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Tc = T8 + Tb;
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Cr[WS(csr, 3)] = T5 - Tc;
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Cr[0] = T5 + Tc;
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Th = Te + Tf;
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Tk = Ti + Tj;
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Ci[0] = -(Th + Tk);
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Ci[WS(csi, 3)] = Tk - Th;
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}
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{
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E Td, Tg, Tl, Tm;
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Td = T1 - T4;
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Tg = Te - Tf;
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Cr[WS(csr, 2)] = Td - Tg;
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Cr[WS(csr, 1)] = Td + Tg;
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Tl = Tb - T8;
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Tm = Tj - Ti;
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Ci[WS(csi, 2)] = Tl - Tm;
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Ci[WS(csi, 1)] = Tl + Tm;
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}
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}
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}
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}
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static const kr2c_desc desc = { 8, "r2cfII_8", { 18, 6, 4, 0 }, &GENUS };
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void X(codelet_r2cfII_8) (planner *p) { X(kr2c_register) (p, r2cfII_8, &desc);
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}
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#endif
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