289 lines
8 KiB
C
289 lines
8 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 10:46:10 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 16 -name r2cf_16 -include rdft/scalar/r2cf.h */
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/*
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* This function contains 58 FP additions, 20 FP multiplications,
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* (or, 38 additions, 0 multiplications, 20 fused multiply/add),
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* 34 stack variables, 3 constants, and 32 memory accesses
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*/
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#include "rdft/scalar/r2cf.h"
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static void r2cf_16(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(64, rs), MAKE_VOLATILE_STRIDE(64, csr), MAKE_VOLATILE_STRIDE(64, csi)) {
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E T3, T6, T7, TN, TB, Ta, Td, Te, TO, TE, Tm, TT, Ty, TI, Tt;
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E TS, Tz, TL, TC, TD, TR, TU;
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{
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E T1, T2, T4, T5;
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T1 = R0[0];
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T2 = R0[WS(rs, 4)];
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T3 = T1 + T2;
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T4 = R0[WS(rs, 2)];
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T5 = R0[WS(rs, 6)];
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T6 = T4 + T5;
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T7 = T3 + T6;
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TN = T4 - T5;
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TB = T1 - T2;
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}
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{
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E T8, T9, Tb, Tc;
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T8 = R0[WS(rs, 1)];
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T9 = R0[WS(rs, 5)];
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Ta = T8 + T9;
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TC = T8 - T9;
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Tb = R0[WS(rs, 7)];
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Tc = R0[WS(rs, 3)];
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Td = Tb + Tc;
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TD = Tb - Tc;
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}
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Te = Ta + Td;
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TO = TD - TC;
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TE = TC + TD;
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{
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E Ti, TG, Tl, TH;
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{
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E Tg, Th, Tj, Tk;
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Tg = R1[0];
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Th = R1[WS(rs, 4)];
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Ti = Tg + Th;
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TG = Tg - Th;
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Tj = R1[WS(rs, 2)];
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Tk = R1[WS(rs, 6)];
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Tl = Tj + Tk;
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TH = Tj - Tk;
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}
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Tm = Ti - Tl;
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TT = FMA(KP414213562, TG, TH);
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Ty = Ti + Tl;
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TI = FNMS(KP414213562, TH, TG);
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}
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{
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E Tp, TJ, Ts, TK;
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{
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E Tn, To, Tq, Tr;
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Tn = R1[WS(rs, 7)];
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To = R1[WS(rs, 3)];
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Tp = Tn + To;
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TJ = Tn - To;
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Tq = R1[WS(rs, 1)];
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Tr = R1[WS(rs, 5)];
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Ts = Tq + Tr;
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TK = Tr - Tq;
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}
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Tt = Tp - Ts;
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TS = FMA(KP414213562, TJ, TK);
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Tz = Tp + Ts;
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TL = FNMS(KP414213562, TK, TJ);
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}
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Cr[WS(csr, 4)] = T7 - Te;
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Ci[WS(csi, 4)] = Tz - Ty;
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{
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E Tf, Tu, Tv, Tw;
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Tf = T3 - T6;
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Tu = Tm + Tt;
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Cr[WS(csr, 6)] = FNMS(KP707106781, Tu, Tf);
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Cr[WS(csr, 2)] = FMA(KP707106781, Tu, Tf);
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Tv = Td - Ta;
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Tw = Tt - Tm;
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Ci[WS(csi, 2)] = FMA(KP707106781, Tw, Tv);
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Ci[WS(csi, 6)] = FMS(KP707106781, Tw, Tv);
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}
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{
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E Tx, TA, TF, TM;
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Tx = T7 + Te;
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TA = Ty + Tz;
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Cr[WS(csr, 8)] = Tx - TA;
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Cr[0] = Tx + TA;
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TF = FMA(KP707106781, TE, TB);
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TM = TI + TL;
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Cr[WS(csr, 7)] = FNMS(KP923879532, TM, TF);
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Cr[WS(csr, 1)] = FMA(KP923879532, TM, TF);
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}
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TR = FNMS(KP707106781, TO, TN);
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TU = TS - TT;
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Ci[WS(csi, 1)] = FMS(KP923879532, TU, TR);
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Ci[WS(csi, 7)] = FMA(KP923879532, TU, TR);
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{
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E TV, TW, TP, TQ;
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TV = FNMS(KP707106781, TE, TB);
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TW = TT + TS;
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Cr[WS(csr, 5)] = FNMS(KP923879532, TW, TV);
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Cr[WS(csr, 3)] = FMA(KP923879532, TW, TV);
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TP = FMA(KP707106781, TO, TN);
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TQ = TL - TI;
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Ci[WS(csi, 3)] = FMA(KP923879532, TQ, TP);
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Ci[WS(csi, 5)] = FMS(KP923879532, TQ, TP);
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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 = { 16, "r2cf_16", { 38, 0, 20, 0 }, &GENUS };
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void X(codelet_r2cf_16) (planner *p) { X(kr2c_register) (p, r2cf_16, &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 16 -name r2cf_16 -include rdft/scalar/r2cf.h */
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/*
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* This function contains 58 FP additions, 12 FP multiplications,
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* (or, 54 additions, 8 multiplications, 4 fused multiply/add),
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* 34 stack variables, 3 constants, and 32 memory accesses
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*/
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#include "rdft/scalar/r2cf.h"
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static void r2cf_16(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(KP382683432, +0.382683432365089771728459984030398866761344562);
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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(64, rs), MAKE_VOLATILE_STRIDE(64, csr), MAKE_VOLATILE_STRIDE(64, csi)) {
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E T3, T6, T7, Tz, Ti, Ta, Td, Te, TA, Th, Tq, TV, TF, TP, Tx;
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E TU, TE, TM, Tg, Tf, TJ, TQ;
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{
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E T1, T2, T4, T5;
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T1 = R0[0];
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T2 = R0[WS(rs, 4)];
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T3 = T1 + T2;
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T4 = R0[WS(rs, 2)];
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T5 = R0[WS(rs, 6)];
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T6 = T4 + T5;
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T7 = T3 + T6;
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Tz = T1 - T2;
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Ti = T4 - T5;
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}
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{
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E T8, T9, Tb, Tc;
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T8 = R0[WS(rs, 1)];
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T9 = R0[WS(rs, 5)];
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Ta = T8 + T9;
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Tg = T8 - T9;
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Tb = R0[WS(rs, 7)];
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Tc = R0[WS(rs, 3)];
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Td = Tb + Tc;
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Tf = Tb - Tc;
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}
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Te = Ta + Td;
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TA = KP707106781 * (Tg + Tf);
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Th = KP707106781 * (Tf - Tg);
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{
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E Tm, TN, Tp, TO;
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{
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E Tk, Tl, Tn, To;
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Tk = R1[WS(rs, 7)];
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Tl = R1[WS(rs, 3)];
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Tm = Tk - Tl;
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TN = Tk + Tl;
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Tn = R1[WS(rs, 1)];
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To = R1[WS(rs, 5)];
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Tp = Tn - To;
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TO = Tn + To;
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}
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Tq = FNMS(KP923879532, Tp, KP382683432 * Tm);
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TV = TN + TO;
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TF = FMA(KP923879532, Tm, KP382683432 * Tp);
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TP = TN - TO;
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}
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{
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E Tt, TK, Tw, TL;
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{
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E Tr, Ts, Tu, Tv;
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Tr = R1[0];
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Ts = R1[WS(rs, 4)];
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Tt = Tr - Ts;
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TK = Tr + Ts;
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Tu = R1[WS(rs, 2)];
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Tv = R1[WS(rs, 6)];
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Tw = Tu - Tv;
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TL = Tu + Tv;
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}
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Tx = FMA(KP382683432, Tt, KP923879532 * Tw);
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TU = TK + TL;
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TE = FNMS(KP382683432, Tw, KP923879532 * Tt);
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TM = TK - TL;
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}
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Cr[WS(csr, 4)] = T7 - Te;
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Ci[WS(csi, 4)] = TV - TU;
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{
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E Tj, Ty, TD, TG;
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Tj = Th - Ti;
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Ty = Tq - Tx;
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Ci[WS(csi, 1)] = Tj + Ty;
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Ci[WS(csi, 7)] = Ty - Tj;
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TD = Tz + TA;
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TG = TE + TF;
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Cr[WS(csr, 7)] = TD - TG;
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Cr[WS(csr, 1)] = TD + TG;
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}
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{
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E TB, TC, TH, TI;
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TB = Tz - TA;
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TC = Tx + Tq;
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Cr[WS(csr, 5)] = TB - TC;
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Cr[WS(csr, 3)] = TB + TC;
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TH = Ti + Th;
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TI = TF - TE;
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Ci[WS(csi, 3)] = TH + TI;
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Ci[WS(csi, 5)] = TI - TH;
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}
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TJ = T3 - T6;
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TQ = KP707106781 * (TM + TP);
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Cr[WS(csr, 6)] = TJ - TQ;
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Cr[WS(csr, 2)] = TJ + TQ;
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{
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E TR, TS, TT, TW;
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TR = Td - Ta;
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TS = KP707106781 * (TP - TM);
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Ci[WS(csi, 2)] = TR + TS;
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Ci[WS(csi, 6)] = TS - TR;
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TT = T7 + Te;
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TW = TU + TV;
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Cr[WS(csr, 8)] = TT - TW;
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Cr[0] = TT + TW;
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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 = { 16, "r2cf_16", { 54, 8, 4, 0 }, &GENUS };
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void X(codelet_r2cf_16) (planner *p) { X(kr2c_register) (p, r2cf_16, &desc);
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}
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#endif
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