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https://github.com/tildearrow/furnace.git
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124 lines
4.4 KiB
C
124 lines
4.4 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 10:46:59 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_r2cb.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 6 -name r2cbIII_6 -dft-III -include rdft/scalar/r2cbIII.h */
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/*
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* This function contains 12 FP additions, 8 FP multiplications,
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* (or, 6 additions, 2 multiplications, 6 fused multiply/add),
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* 15 stack variables, 2 constants, and 12 memory accesses
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*/
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#include "rdft/scalar/r2cbIII.h"
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static void r2cbIII_6(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(KP1_732050807, +1.732050807568877293527446341505872366942805254);
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DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
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{
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INT i;
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for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(24, rs), MAKE_VOLATILE_STRIDE(24, csr), MAKE_VOLATILE_STRIDE(24, csi)) {
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E T1, T8, T4, Ta, T7, Tc, T9, Tb;
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T1 = Cr[WS(csr, 1)];
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T8 = Ci[WS(csi, 1)];
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{
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E T2, T3, T5, T6;
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T2 = Cr[WS(csr, 2)];
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T3 = Cr[0];
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T4 = T2 + T3;
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Ta = T2 - T3;
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T5 = Ci[WS(csi, 2)];
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T6 = Ci[0];
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T7 = T5 + T6;
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Tc = T5 - T6;
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}
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R0[0] = KP2_000000000 * (T1 + T4);
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R1[WS(rs, 1)] = KP2_000000000 * (T8 - T7);
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T9 = FMA(KP2_000000000, T8, T7);
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R1[0] = -(FMA(KP1_732050807, Ta, T9));
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R1[WS(rs, 2)] = FMS(KP1_732050807, Ta, T9);
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Tb = FNMS(KP2_000000000, T1, T4);
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R0[WS(rs, 1)] = FMA(KP1_732050807, Tc, Tb);
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R0[WS(rs, 2)] = FMS(KP1_732050807, Tc, Tb);
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}
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}
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}
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static const kr2c_desc desc = { 6, "r2cbIII_6", { 6, 2, 6, 0 }, &GENUS };
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void X(codelet_r2cbIII_6) (planner *p) { X(kr2c_register) (p, r2cbIII_6, &desc);
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}
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#else
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/* Generated by: ../../../genfft/gen_r2cb.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 6 -name r2cbIII_6 -dft-III -include rdft/scalar/r2cbIII.h */
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/*
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* This function contains 12 FP additions, 6 FP multiplications,
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* (or, 10 additions, 4 multiplications, 2 fused multiply/add),
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* 15 stack variables, 2 constants, and 12 memory accesses
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*/
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#include "rdft/scalar/r2cbIII.h"
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static void r2cbIII_6(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(KP2_000000000, +2.000000000000000000000000000000000000000000000);
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DK(KP1_732050807, +1.732050807568877293527446341505872366942805254);
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{
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INT i;
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for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(24, rs), MAKE_VOLATILE_STRIDE(24, csr), MAKE_VOLATILE_STRIDE(24, csi)) {
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E T1, T6, T4, T5, T9, Tb, Ta, Tc;
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T1 = Cr[WS(csr, 1)];
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T6 = Ci[WS(csi, 1)];
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{
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E T2, T3, T7, T8;
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T2 = Cr[WS(csr, 2)];
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T3 = Cr[0];
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T4 = T2 + T3;
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T5 = KP1_732050807 * (T2 - T3);
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T7 = Ci[WS(csi, 2)];
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T8 = Ci[0];
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T9 = T7 + T8;
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Tb = KP1_732050807 * (T7 - T8);
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}
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R0[0] = KP2_000000000 * (T1 + T4);
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R1[WS(rs, 1)] = KP2_000000000 * (T6 - T9);
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Ta = FMA(KP2_000000000, T6, T9);
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R1[0] = -(T5 + Ta);
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R1[WS(rs, 2)] = T5 - Ta;
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Tc = FMS(KP2_000000000, T1, T4);
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R0[WS(rs, 1)] = Tb - Tc;
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R0[WS(rs, 2)] = Tc + Tb;
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}
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}
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}
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static const kr2c_desc desc = { 6, "r2cbIII_6", { 10, 4, 2, 0 }, &GENUS };
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void X(codelet_r2cbIII_6) (planner *p) { X(kr2c_register) (p, r2cbIII_6, &desc);
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}
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#endif
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