165 lines
5.5 KiB
C
165 lines
5.5 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 10:47:00 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 8 -name r2cbIII_8 -dft-III -include rdft/scalar/r2cbIII.h */
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/*
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* This function contains 22 FP additions, 12 FP multiplications,
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* (or, 18 additions, 8 multiplications, 4 fused multiply/add),
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* 19 stack variables, 4 constants, and 16 memory accesses
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*/
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#include "rdft/scalar/r2cbIII.h"
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static void r2cbIII_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(KP1_414213562, +1.414213562373095048801688724209698078569671875);
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DK(KP414213562, +0.414213562373095048801688724209698078569671875);
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DK(KP1_847759065, +1.847759065022573512256366378793576573644833252);
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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(32, rs), MAKE_VOLATILE_STRIDE(32, csr), MAKE_VOLATILE_STRIDE(32, csi)) {
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E T3, T7, Tf, Tl, T6, Tc, Ta, Tk, Tb, Tg;
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{
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E T1, T2, Td, Te;
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T1 = Cr[0];
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T2 = Cr[WS(csr, 3)];
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T3 = T1 + T2;
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T7 = T1 - T2;
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Td = Ci[0];
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Te = Ci[WS(csi, 3)];
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Tf = Td + Te;
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Tl = Te - Td;
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}
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{
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E T4, T5, T8, T9;
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T4 = Cr[WS(csr, 2)];
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T5 = Cr[WS(csr, 1)];
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T6 = T4 + T5;
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Tc = T4 - T5;
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T8 = Ci[WS(csi, 2)];
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T9 = Ci[WS(csi, 1)];
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Ta = T8 + T9;
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Tk = T8 - T9;
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}
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R0[0] = KP2_000000000 * (T3 + T6);
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R0[WS(rs, 2)] = KP2_000000000 * (Tl - Tk);
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Tb = T7 - Ta;
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Tg = Tc + Tf;
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R1[0] = KP1_847759065 * (FNMS(KP414213562, Tg, Tb));
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R1[WS(rs, 2)] = -(KP1_847759065 * (FMA(KP414213562, Tb, Tg)));
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{
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E Th, Ti, Tj, Tm;
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Th = Tc - Tf;
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Ti = T7 + Ta;
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R1[WS(rs, 1)] = KP1_847759065 * (FMA(KP414213562, Ti, Th));
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R1[WS(rs, 3)] = -(KP1_847759065 * (FNMS(KP414213562, Th, Ti)));
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Tj = T3 - T6;
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Tm = Tk + Tl;
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R0[WS(rs, 1)] = KP1_414213562 * (Tj + Tm);
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R0[WS(rs, 3)] = KP1_414213562 * (Tm - Tj);
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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, "r2cbIII_8", { 18, 8, 4, 0 }, &GENUS };
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void X(codelet_r2cbIII_8) (planner *p) { X(kr2c_register) (p, r2cbIII_8, &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 8 -name r2cbIII_8 -dft-III -include rdft/scalar/r2cbIII.h */
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/*
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* This function contains 22 FP additions, 12 FP multiplications,
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* (or, 18 additions, 8 multiplications, 4 fused multiply/add),
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* 19 stack variables, 4 constants, and 16 memory accesses
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*/
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#include "rdft/scalar/r2cbIII.h"
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static void r2cbIII_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(KP1_414213562, +1.414213562373095048801688724209698078569671875);
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DK(KP765366864, +0.765366864730179543456919968060797733522689125);
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DK(KP1_847759065, +1.847759065022573512256366378793576573644833252);
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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(32, rs), MAKE_VOLATILE_STRIDE(32, csr), MAKE_VOLATILE_STRIDE(32, csi)) {
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E T3, T7, Tf, Tl, T6, Tc, Ta, Tk, Tb, Tg;
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{
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E T1, T2, Td, Te;
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T1 = Cr[0];
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T2 = Cr[WS(csr, 3)];
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T3 = T1 + T2;
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T7 = T1 - T2;
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Td = Ci[0];
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Te = Ci[WS(csi, 3)];
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Tf = Td + Te;
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Tl = Te - Td;
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}
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{
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E T4, T5, T8, T9;
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T4 = Cr[WS(csr, 2)];
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T5 = Cr[WS(csr, 1)];
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T6 = T4 + T5;
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Tc = T4 - T5;
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T8 = Ci[WS(csi, 2)];
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T9 = Ci[WS(csi, 1)];
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Ta = T8 + T9;
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Tk = T8 - T9;
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}
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R0[0] = KP2_000000000 * (T3 + T6);
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R0[WS(rs, 2)] = KP2_000000000 * (Tl - Tk);
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Tb = T7 - Ta;
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Tg = Tc + Tf;
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R1[0] = FNMS(KP765366864, Tg, KP1_847759065 * Tb);
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R1[WS(rs, 2)] = -(FMA(KP765366864, Tb, KP1_847759065 * Tg));
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{
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E Th, Ti, Tj, Tm;
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Th = T7 + Ta;
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Ti = Tc - Tf;
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R1[WS(rs, 1)] = FMA(KP765366864, Th, KP1_847759065 * Ti);
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R1[WS(rs, 3)] = FNMS(KP1_847759065, Th, KP765366864 * Ti);
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Tj = T3 - T6;
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Tm = Tk + Tl;
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R0[WS(rs, 1)] = KP1_414213562 * (Tj + Tm);
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R0[WS(rs, 3)] = KP1_414213562 * (Tm - Tj);
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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, "r2cbIII_8", { 18, 8, 4, 0 }, &GENUS };
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void X(codelet_r2cbIII_8) (planner *p) { X(kr2c_register) (p, r2cbIII_8, &desc);
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}
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#endif
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