mirror of
https://github.com/tildearrow/furnace.git
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133 lines
4.1 KiB
C
133 lines
4.1 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 10:46:36 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_hc2cdft.native -fma -compact -variables 4 -pipeline-latency 4 -n 2 -dit -name hc2cfdft_2 -include rdft/scalar/hc2cf.h */
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/*
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* This function contains 10 FP additions, 8 FP multiplications,
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* (or, 8 additions, 6 multiplications, 2 fused multiply/add),
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* 16 stack variables, 1 constants, and 8 memory accesses
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*/
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#include "rdft/scalar/hc2cf.h"
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static void hc2cfdft_2(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
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{
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DK(KP500000000, +0.500000000000000000000000000000000000000000000);
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{
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INT m;
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for (m = mb, W = W + ((mb - 1) * 2); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 2, MAKE_VOLATILE_STRIDE(8, rs)) {
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E T3, Ta, Tc, T9, Td, T4, T8, Tb, Te;
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{
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E T1, T2, T5, T6, T7;
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T1 = Ip[0];
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T2 = Im[0];
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T3 = T1 - T2;
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Ta = T1 + T2;
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T5 = Rm[0];
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T6 = Rp[0];
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T7 = T5 - T6;
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Tc = T6 + T5;
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T9 = W[1];
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Td = T9 * T7;
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T4 = W[0];
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T8 = T4 * T7;
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}
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Tb = FNMS(T9, Ta, T8);
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Ip[0] = KP500000000 * (T3 + Tb);
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Im[0] = KP500000000 * (Tb - T3);
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Te = FMA(T4, Ta, Td);
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Rm[0] = KP500000000 * (Tc - Te);
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Rp[0] = KP500000000 * (Tc + Te);
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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, 1, 2 },
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{ TW_NEXT, 1, 0 }
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};
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static const hc2c_desc desc = { 2, "hc2cfdft_2", twinstr, &GENUS, { 8, 6, 2, 0 } };
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void X(codelet_hc2cfdft_2) (planner *p) {
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X(khc2c_register) (p, hc2cfdft_2, &desc, HC2C_VIA_DFT);
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}
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#else
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/* Generated by: ../../../genfft/gen_hc2cdft.native -compact -variables 4 -pipeline-latency 4 -n 2 -dit -name hc2cfdft_2 -include rdft/scalar/hc2cf.h */
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/*
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* This function contains 10 FP additions, 8 FP multiplications,
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* (or, 8 additions, 6 multiplications, 2 fused multiply/add),
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* 10 stack variables, 1 constants, and 8 memory accesses
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*/
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#include "rdft/scalar/hc2cf.h"
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static void hc2cfdft_2(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
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{
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DK(KP500000000, +0.500000000000000000000000000000000000000000000);
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{
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INT m;
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for (m = mb, W = W + ((mb - 1) * 2); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 2, MAKE_VOLATILE_STRIDE(8, rs)) {
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E T3, T9, T7, Tb;
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{
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E T1, T2, T5, T6;
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T1 = Ip[0];
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T2 = Im[0];
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T3 = T1 - T2;
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T9 = T1 + T2;
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T5 = Rm[0];
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T6 = Rp[0];
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T7 = T5 - T6;
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Tb = T6 + T5;
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}
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{
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E Ta, Tc, T4, T8;
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T4 = W[0];
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T8 = W[1];
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Ta = FNMS(T8, T9, T4 * T7);
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Tc = FMA(T8, T7, T4 * T9);
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Ip[0] = KP500000000 * (T3 + Ta);
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Rp[0] = KP500000000 * (Tb + Tc);
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Im[0] = KP500000000 * (Ta - T3);
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Rm[0] = KP500000000 * (Tb - Tc);
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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, 1, 2 },
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{ TW_NEXT, 1, 0 }
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};
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static const hc2c_desc desc = { 2, "hc2cfdft_2", twinstr, &GENUS, { 8, 6, 2, 0 } };
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void X(codelet_hc2cfdft_2) (planner *p) {
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X(khc2c_register) (p, hc2cfdft_2, &desc, HC2C_VIA_DFT);
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}
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#endif
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