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annotate src/fftw-3.3.8/dft/scalar/codelets/n1_8.c @ 84:08ae793730bd

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Add null config files
author Chris Cannam
date Mon, 02 Mar 2020 14:03:47 +0000
parents d0c2a83c1364
children
rev   line source
Chris@82 1 /*
Chris@82 2 * Copyright (c) 2003, 2007-14 Matteo Frigo
Chris@82 3 * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
Chris@82 4 *
Chris@82 5 * This program is free software; you can redistribute it and/or modify
Chris@82 6 * it under the terms of the GNU General Public License as published by
Chris@82 7 * the Free Software Foundation; either version 2 of the License, or
Chris@82 8 * (at your option) any later version.
Chris@82 9 *
Chris@82 10 * This program is distributed in the hope that it will be useful,
Chris@82 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@82 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Chris@82 13 * GNU General Public License for more details.
Chris@82 14 *
Chris@82 15 * You should have received a copy of the GNU General Public License
Chris@82 16 * along with this program; if not, write to the Free Software
Chris@82 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Chris@82 18 *
Chris@82 19 */
Chris@82 20
Chris@82 21 /* This file was automatically generated --- DO NOT EDIT */
Chris@82 22 /* Generated on Thu May 24 08:04:10 EDT 2018 */
Chris@82 23
Chris@82 24 #include "dft/codelet-dft.h"
Chris@82 25
Chris@82 26 #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
Chris@82 27
Chris@82 28 /* Generated by: ../../../genfft/gen_notw.native -fma -compact -variables 4 -pipeline-latency 4 -n 8 -name n1_8 -include dft/scalar/n.h */
Chris@82 29
Chris@82 30 /*
Chris@82 31 * This function contains 52 FP additions, 8 FP multiplications,
Chris@82 32 * (or, 44 additions, 0 multiplications, 8 fused multiply/add),
Chris@82 33 * 28 stack variables, 1 constants, and 32 memory accesses
Chris@82 34 */
Chris@82 35 #include "dft/scalar/n.h"
Chris@82 36
Chris@82 37 static void n1_8(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
Chris@82 38 {
Chris@82 39 DK(KP707106781, +0.707106781186547524400844362104849039284835938);
Chris@82 40 {
Chris@82 41 INT i;
Chris@82 42 for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(32, is), MAKE_VOLATILE_STRIDE(32, os)) {
Chris@82 43 E T3, Tn, Ti, TC, T6, TB, Tl, To, Td, TN, Tz, TH, Ta, TM, Tu;
Chris@82 44 E TG;
Chris@82 45 {
Chris@82 46 E T1, T2, Tj, Tk;
Chris@82 47 T1 = ri[0];
Chris@82 48 T2 = ri[WS(is, 4)];
Chris@82 49 T3 = T1 + T2;
Chris@82 50 Tn = T1 - T2;
Chris@82 51 {
Chris@82 52 E Tg, Th, T4, T5;
Chris@82 53 Tg = ii[0];
Chris@82 54 Th = ii[WS(is, 4)];
Chris@82 55 Ti = Tg + Th;
Chris@82 56 TC = Tg - Th;
Chris@82 57 T4 = ri[WS(is, 2)];
Chris@82 58 T5 = ri[WS(is, 6)];
Chris@82 59 T6 = T4 + T5;
Chris@82 60 TB = T4 - T5;
Chris@82 61 }
Chris@82 62 Tj = ii[WS(is, 2)];
Chris@82 63 Tk = ii[WS(is, 6)];
Chris@82 64 Tl = Tj + Tk;
Chris@82 65 To = Tj - Tk;
Chris@82 66 {
Chris@82 67 E Tb, Tc, Tv, Tw, Tx, Ty;
Chris@82 68 Tb = ri[WS(is, 7)];
Chris@82 69 Tc = ri[WS(is, 3)];
Chris@82 70 Tv = Tb - Tc;
Chris@82 71 Tw = ii[WS(is, 7)];
Chris@82 72 Tx = ii[WS(is, 3)];
Chris@82 73 Ty = Tw - Tx;
Chris@82 74 Td = Tb + Tc;
Chris@82 75 TN = Tw + Tx;
Chris@82 76 Tz = Tv - Ty;
Chris@82 77 TH = Tv + Ty;
Chris@82 78 }
Chris@82 79 {
Chris@82 80 E T8, T9, Tq, Tr, Ts, Tt;
Chris@82 81 T8 = ri[WS(is, 1)];
Chris@82 82 T9 = ri[WS(is, 5)];
Chris@82 83 Tq = T8 - T9;
Chris@82 84 Tr = ii[WS(is, 1)];
Chris@82 85 Ts = ii[WS(is, 5)];
Chris@82 86 Tt = Tr - Ts;
Chris@82 87 Ta = T8 + T9;
Chris@82 88 TM = Tr + Ts;
Chris@82 89 Tu = Tq + Tt;
Chris@82 90 TG = Tt - Tq;
Chris@82 91 }
Chris@82 92 }
Chris@82 93 {
Chris@82 94 E T7, Te, TP, TQ;
Chris@82 95 T7 = T3 + T6;
Chris@82 96 Te = Ta + Td;
Chris@82 97 ro[WS(os, 4)] = T7 - Te;
Chris@82 98 ro[0] = T7 + Te;
Chris@82 99 TP = Ti + Tl;
Chris@82 100 TQ = TM + TN;
Chris@82 101 io[WS(os, 4)] = TP - TQ;
Chris@82 102 io[0] = TP + TQ;
Chris@82 103 }
Chris@82 104 {
Chris@82 105 E Tf, Tm, TL, TO;
Chris@82 106 Tf = Td - Ta;
Chris@82 107 Tm = Ti - Tl;
Chris@82 108 io[WS(os, 2)] = Tf + Tm;
Chris@82 109 io[WS(os, 6)] = Tm - Tf;
Chris@82 110 TL = T3 - T6;
Chris@82 111 TO = TM - TN;
Chris@82 112 ro[WS(os, 6)] = TL - TO;
Chris@82 113 ro[WS(os, 2)] = TL + TO;
Chris@82 114 }
Chris@82 115 {
Chris@82 116 E Tp, TA, TJ, TK;
Chris@82 117 Tp = Tn + To;
Chris@82 118 TA = Tu + Tz;
Chris@82 119 ro[WS(os, 5)] = FNMS(KP707106781, TA, Tp);
Chris@82 120 ro[WS(os, 1)] = FMA(KP707106781, TA, Tp);
Chris@82 121 TJ = TC - TB;
Chris@82 122 TK = TG + TH;
Chris@82 123 io[WS(os, 5)] = FNMS(KP707106781, TK, TJ);
Chris@82 124 io[WS(os, 1)] = FMA(KP707106781, TK, TJ);
Chris@82 125 }
Chris@82 126 {
Chris@82 127 E TD, TE, TF, TI;
Chris@82 128 TD = TB + TC;
Chris@82 129 TE = Tz - Tu;
Chris@82 130 io[WS(os, 7)] = FNMS(KP707106781, TE, TD);
Chris@82 131 io[WS(os, 3)] = FMA(KP707106781, TE, TD);
Chris@82 132 TF = Tn - To;
Chris@82 133 TI = TG - TH;
Chris@82 134 ro[WS(os, 7)] = FNMS(KP707106781, TI, TF);
Chris@82 135 ro[WS(os, 3)] = FMA(KP707106781, TI, TF);
Chris@82 136 }
Chris@82 137 }
Chris@82 138 }
Chris@82 139 }
Chris@82 140
Chris@82 141 static const kdft_desc desc = { 8, "n1_8", {44, 0, 8, 0}, &GENUS, 0, 0, 0, 0 };
Chris@82 142
Chris@82 143 void X(codelet_n1_8) (planner *p) {
Chris@82 144 X(kdft_register) (p, n1_8, &desc);
Chris@82 145 }
Chris@82 146
Chris@82 147 #else
Chris@82 148
Chris@82 149 /* Generated by: ../../../genfft/gen_notw.native -compact -variables 4 -pipeline-latency 4 -n 8 -name n1_8 -include dft/scalar/n.h */
Chris@82 150
Chris@82 151 /*
Chris@82 152 * This function contains 52 FP additions, 4 FP multiplications,
Chris@82 153 * (or, 52 additions, 4 multiplications, 0 fused multiply/add),
Chris@82 154 * 28 stack variables, 1 constants, and 32 memory accesses
Chris@82 155 */
Chris@82 156 #include "dft/scalar/n.h"
Chris@82 157
Chris@82 158 static void n1_8(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
Chris@82 159 {
Chris@82 160 DK(KP707106781, +0.707106781186547524400844362104849039284835938);
Chris@82 161 {
Chris@82 162 INT i;
Chris@82 163 for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(32, is), MAKE_VOLATILE_STRIDE(32, os)) {
Chris@82 164 E T3, Tn, Ti, TC, T6, TB, Tl, To, Td, TN, Tz, TH, Ta, TM, Tu;
Chris@82 165 E TG;
Chris@82 166 {
Chris@82 167 E T1, T2, Tj, Tk;
Chris@82 168 T1 = ri[0];
Chris@82 169 T2 = ri[WS(is, 4)];
Chris@82 170 T3 = T1 + T2;
Chris@82 171 Tn = T1 - T2;
Chris@82 172 {
Chris@82 173 E Tg, Th, T4, T5;
Chris@82 174 Tg = ii[0];
Chris@82 175 Th = ii[WS(is, 4)];
Chris@82 176 Ti = Tg + Th;
Chris@82 177 TC = Tg - Th;
Chris@82 178 T4 = ri[WS(is, 2)];
Chris@82 179 T5 = ri[WS(is, 6)];
Chris@82 180 T6 = T4 + T5;
Chris@82 181 TB = T4 - T5;
Chris@82 182 }
Chris@82 183 Tj = ii[WS(is, 2)];
Chris@82 184 Tk = ii[WS(is, 6)];
Chris@82 185 Tl = Tj + Tk;
Chris@82 186 To = Tj - Tk;
Chris@82 187 {
Chris@82 188 E Tb, Tc, Tv, Tw, Tx, Ty;
Chris@82 189 Tb = ri[WS(is, 7)];
Chris@82 190 Tc = ri[WS(is, 3)];
Chris@82 191 Tv = Tb - Tc;
Chris@82 192 Tw = ii[WS(is, 7)];
Chris@82 193 Tx = ii[WS(is, 3)];
Chris@82 194 Ty = Tw - Tx;
Chris@82 195 Td = Tb + Tc;
Chris@82 196 TN = Tw + Tx;
Chris@82 197 Tz = Tv - Ty;
Chris@82 198 TH = Tv + Ty;
Chris@82 199 }
Chris@82 200 {
Chris@82 201 E T8, T9, Tq, Tr, Ts, Tt;
Chris@82 202 T8 = ri[WS(is, 1)];
Chris@82 203 T9 = ri[WS(is, 5)];
Chris@82 204 Tq = T8 - T9;
Chris@82 205 Tr = ii[WS(is, 1)];
Chris@82 206 Ts = ii[WS(is, 5)];
Chris@82 207 Tt = Tr - Ts;
Chris@82 208 Ta = T8 + T9;
Chris@82 209 TM = Tr + Ts;
Chris@82 210 Tu = Tq + Tt;
Chris@82 211 TG = Tt - Tq;
Chris@82 212 }
Chris@82 213 }
Chris@82 214 {
Chris@82 215 E T7, Te, TP, TQ;
Chris@82 216 T7 = T3 + T6;
Chris@82 217 Te = Ta + Td;
Chris@82 218 ro[WS(os, 4)] = T7 - Te;
Chris@82 219 ro[0] = T7 + Te;
Chris@82 220 TP = Ti + Tl;
Chris@82 221 TQ = TM + TN;
Chris@82 222 io[WS(os, 4)] = TP - TQ;
Chris@82 223 io[0] = TP + TQ;
Chris@82 224 }
Chris@82 225 {
Chris@82 226 E Tf, Tm, TL, TO;
Chris@82 227 Tf = Td - Ta;
Chris@82 228 Tm = Ti - Tl;
Chris@82 229 io[WS(os, 2)] = Tf + Tm;
Chris@82 230 io[WS(os, 6)] = Tm - Tf;
Chris@82 231 TL = T3 - T6;
Chris@82 232 TO = TM - TN;
Chris@82 233 ro[WS(os, 6)] = TL - TO;
Chris@82 234 ro[WS(os, 2)] = TL + TO;
Chris@82 235 }
Chris@82 236 {
Chris@82 237 E Tp, TA, TJ, TK;
Chris@82 238 Tp = Tn + To;
Chris@82 239 TA = KP707106781 * (Tu + Tz);
Chris@82 240 ro[WS(os, 5)] = Tp - TA;
Chris@82 241 ro[WS(os, 1)] = Tp + TA;
Chris@82 242 TJ = TC - TB;
Chris@82 243 TK = KP707106781 * (TG + TH);
Chris@82 244 io[WS(os, 5)] = TJ - TK;
Chris@82 245 io[WS(os, 1)] = TJ + TK;
Chris@82 246 }
Chris@82 247 {
Chris@82 248 E TD, TE, TF, TI;
Chris@82 249 TD = TB + TC;
Chris@82 250 TE = KP707106781 * (Tz - Tu);
Chris@82 251 io[WS(os, 7)] = TD - TE;
Chris@82 252 io[WS(os, 3)] = TD + TE;
Chris@82 253 TF = Tn - To;
Chris@82 254 TI = KP707106781 * (TG - TH);
Chris@82 255 ro[WS(os, 7)] = TF - TI;
Chris@82 256 ro[WS(os, 3)] = TF + TI;
Chris@82 257 }
Chris@82 258 }
Chris@82 259 }
Chris@82 260 }
Chris@82 261
Chris@82 262 static const kdft_desc desc = { 8, "n1_8", {52, 4, 0, 0}, &GENUS, 0, 0, 0, 0 };
Chris@82 263
Chris@82 264 void X(codelet_n1_8) (planner *p) {
Chris@82 265 X(kdft_register) (p, n1_8, &desc);
Chris@82 266 }
Chris@82 267
Chris@82 268 #endif