annotate src/fftw-3.3.8/rdft/scalar/r2cb/hc2cbdft2_16.c @ 169:223a55898ab9 tip default

Add null config files
author Chris Cannam <cannam@all-day-breakfast.com>
date Mon, 02 Mar 2020 14:03:47 +0000
parents bd3cc4d1df30
children
rev   line source
cannam@167 1 /*
cannam@167 2 * Copyright (c) 2003, 2007-14 Matteo Frigo
cannam@167 3 * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
cannam@167 4 *
cannam@167 5 * This program is free software; you can redistribute it and/or modify
cannam@167 6 * it under the terms of the GNU General Public License as published by
cannam@167 7 * the Free Software Foundation; either version 2 of the License, or
cannam@167 8 * (at your option) any later version.
cannam@167 9 *
cannam@167 10 * This program is distributed in the hope that it will be useful,
cannam@167 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
cannam@167 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
cannam@167 13 * GNU General Public License for more details.
cannam@167 14 *
cannam@167 15 * You should have received a copy of the GNU General Public License
cannam@167 16 * along with this program; if not, write to the Free Software
cannam@167 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
cannam@167 18 *
cannam@167 19 */
cannam@167 20
cannam@167 21 /* This file was automatically generated --- DO NOT EDIT */
cannam@167 22 /* Generated on Thu May 24 08:08:00 EDT 2018 */
cannam@167 23
cannam@167 24 #include "rdft/codelet-rdft.h"
cannam@167 25
cannam@167 26 #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
cannam@167 27
cannam@167 28 /* Generated by: ../../../genfft/gen_hc2cdft.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 16 -dif -name hc2cbdft2_16 -include rdft/scalar/hc2cb.h */
cannam@167 29
cannam@167 30 /*
cannam@167 31 * This function contains 206 FP additions, 100 FP multiplications,
cannam@167 32 * (or, 136 additions, 30 multiplications, 70 fused multiply/add),
cannam@167 33 * 66 stack variables, 3 constants, and 64 memory accesses
cannam@167 34 */
cannam@167 35 #include "rdft/scalar/hc2cb.h"
cannam@167 36
cannam@167 37 static void hc2cbdft2_16(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
cannam@167 38 {
cannam@167 39 DK(KP923879532, +0.923879532511286756128183189396788286822416626);
cannam@167 40 DK(KP414213562, +0.414213562373095048801688724209698078569671875);
cannam@167 41 DK(KP707106781, +0.707106781186547524400844362104849039284835938);
cannam@167 42 {
cannam@167 43 INT m;
cannam@167 44 for (m = mb, W = W + ((mb - 1) * 30); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 30, MAKE_VOLATILE_STRIDE(64, rs)) {
cannam@167 45 E Tf, T20, T32, T3Q, T3f, T3V, TN, T2a, T1m, T2f, T2G, T3G, T2T, T3L, T1F;
cannam@167 46 E T26, T2J, T2M, T2N, T2U, T2V, T3H, Tu, T25, T3i, T3R, T1a, T2g, T1y, T21;
cannam@167 47 E T39, T3W, T1p, T2b;
cannam@167 48 {
cannam@167 49 E T3, T1e, TA, T1C, T6, Tx, T1h, T1D, Td, T1A, TL, T1k, Ta, T1z, TG;
cannam@167 50 E T1j;
cannam@167 51 {
cannam@167 52 E T1, T2, T1f, T1g;
cannam@167 53 T1 = Rp[0];
cannam@167 54 T2 = Rm[WS(rs, 7)];
cannam@167 55 T3 = T1 + T2;
cannam@167 56 T1e = T1 - T2;
cannam@167 57 {
cannam@167 58 E Ty, Tz, T4, T5;
cannam@167 59 Ty = Ip[0];
cannam@167 60 Tz = Im[WS(rs, 7)];
cannam@167 61 TA = Ty + Tz;
cannam@167 62 T1C = Ty - Tz;
cannam@167 63 T4 = Rp[WS(rs, 4)];
cannam@167 64 T5 = Rm[WS(rs, 3)];
cannam@167 65 T6 = T4 + T5;
cannam@167 66 Tx = T4 - T5;
cannam@167 67 }
cannam@167 68 T1f = Ip[WS(rs, 4)];
cannam@167 69 T1g = Im[WS(rs, 3)];
cannam@167 70 T1h = T1f + T1g;
cannam@167 71 T1D = T1f - T1g;
cannam@167 72 {
cannam@167 73 E Tb, Tc, TH, TI, TJ, TK;
cannam@167 74 Tb = Rm[WS(rs, 1)];
cannam@167 75 Tc = Rp[WS(rs, 6)];
cannam@167 76 TH = Tb - Tc;
cannam@167 77 TI = Im[WS(rs, 1)];
cannam@167 78 TJ = Ip[WS(rs, 6)];
cannam@167 79 TK = TI + TJ;
cannam@167 80 Td = Tb + Tc;
cannam@167 81 T1A = TJ - TI;
cannam@167 82 TL = TH + TK;
cannam@167 83 T1k = TH - TK;
cannam@167 84 }
cannam@167 85 {
cannam@167 86 E T8, T9, TC, TD, TE, TF;
cannam@167 87 T8 = Rp[WS(rs, 2)];
cannam@167 88 T9 = Rm[WS(rs, 5)];
cannam@167 89 TC = T8 - T9;
cannam@167 90 TD = Ip[WS(rs, 2)];
cannam@167 91 TE = Im[WS(rs, 5)];
cannam@167 92 TF = TD + TE;
cannam@167 93 Ta = T8 + T9;
cannam@167 94 T1z = TD - TE;
cannam@167 95 TG = TC + TF;
cannam@167 96 T1j = TC - TF;
cannam@167 97 }
cannam@167 98 }
cannam@167 99 {
cannam@167 100 E T7, Te, T30, T31;
cannam@167 101 T7 = T3 + T6;
cannam@167 102 Te = Ta + Td;
cannam@167 103 Tf = T7 + Te;
cannam@167 104 T20 = T7 - Te;
cannam@167 105 T30 = TA - Tx;
cannam@167 106 T31 = T1j - T1k;
cannam@167 107 T32 = FMA(KP707106781, T31, T30);
cannam@167 108 T3Q = FNMS(KP707106781, T31, T30);
cannam@167 109 }
cannam@167 110 {
cannam@167 111 E T3d, T3e, TB, TM;
cannam@167 112 T3d = T1e + T1h;
cannam@167 113 T3e = TG + TL;
cannam@167 114 T3f = FNMS(KP707106781, T3e, T3d);
cannam@167 115 T3V = FMA(KP707106781, T3e, T3d);
cannam@167 116 TB = Tx + TA;
cannam@167 117 TM = TG - TL;
cannam@167 118 TN = FMA(KP707106781, TM, TB);
cannam@167 119 T2a = FNMS(KP707106781, TM, TB);
cannam@167 120 }
cannam@167 121 {
cannam@167 122 E T1i, T1l, T2E, T2F;
cannam@167 123 T1i = T1e - T1h;
cannam@167 124 T1l = T1j + T1k;
cannam@167 125 T1m = FMA(KP707106781, T1l, T1i);
cannam@167 126 T2f = FNMS(KP707106781, T1l, T1i);
cannam@167 127 T2E = T3 - T6;
cannam@167 128 T2F = T1A - T1z;
cannam@167 129 T2G = T2E + T2F;
cannam@167 130 T3G = T2E - T2F;
cannam@167 131 }
cannam@167 132 {
cannam@167 133 E T2R, T2S, T1B, T1E;
cannam@167 134 T2R = Ta - Td;
cannam@167 135 T2S = T1C - T1D;
cannam@167 136 T2T = T2R + T2S;
cannam@167 137 T3L = T2S - T2R;
cannam@167 138 T1B = T1z + T1A;
cannam@167 139 T1E = T1C + T1D;
cannam@167 140 T1F = T1B + T1E;
cannam@167 141 T26 = T1E - T1B;
cannam@167 142 }
cannam@167 143 }
cannam@167 144 {
cannam@167 145 E Ti, T1s, Tl, T1t, TS, TX, T34, T33, T2I, T2H, Tp, T1v, Ts, T1w, T13;
cannam@167 146 E T18, T37, T36, T2L, T2K;
cannam@167 147 {
cannam@167 148 E TT, TR, TO, TW;
cannam@167 149 {
cannam@167 150 E Tg, Th, TP, TQ;
cannam@167 151 Tg = Rp[WS(rs, 1)];
cannam@167 152 Th = Rm[WS(rs, 6)];
cannam@167 153 Ti = Tg + Th;
cannam@167 154 TT = Tg - Th;
cannam@167 155 TP = Ip[WS(rs, 1)];
cannam@167 156 TQ = Im[WS(rs, 6)];
cannam@167 157 TR = TP + TQ;
cannam@167 158 T1s = TP - TQ;
cannam@167 159 }
cannam@167 160 {
cannam@167 161 E Tj, Tk, TU, TV;
cannam@167 162 Tj = Rp[WS(rs, 5)];
cannam@167 163 Tk = Rm[WS(rs, 2)];
cannam@167 164 Tl = Tj + Tk;
cannam@167 165 TO = Tj - Tk;
cannam@167 166 TU = Ip[WS(rs, 5)];
cannam@167 167 TV = Im[WS(rs, 2)];
cannam@167 168 TW = TU + TV;
cannam@167 169 T1t = TU - TV;
cannam@167 170 }
cannam@167 171 TS = TO + TR;
cannam@167 172 TX = TT - TW;
cannam@167 173 T34 = TR - TO;
cannam@167 174 T33 = TT + TW;
cannam@167 175 T2I = T1s - T1t;
cannam@167 176 T2H = Ti - Tl;
cannam@167 177 }
cannam@167 178 {
cannam@167 179 E T14, T12, TZ, T17;
cannam@167 180 {
cannam@167 181 E Tn, To, T10, T11;
cannam@167 182 Tn = Rm[0];
cannam@167 183 To = Rp[WS(rs, 7)];
cannam@167 184 Tp = Tn + To;
cannam@167 185 T14 = Tn - To;
cannam@167 186 T10 = Im[0];
cannam@167 187 T11 = Ip[WS(rs, 7)];
cannam@167 188 T12 = T10 + T11;
cannam@167 189 T1v = T11 - T10;
cannam@167 190 }
cannam@167 191 {
cannam@167 192 E Tq, Tr, T15, T16;
cannam@167 193 Tq = Rp[WS(rs, 3)];
cannam@167 194 Tr = Rm[WS(rs, 4)];
cannam@167 195 Ts = Tq + Tr;
cannam@167 196 TZ = Tq - Tr;
cannam@167 197 T15 = Ip[WS(rs, 3)];
cannam@167 198 T16 = Im[WS(rs, 4)];
cannam@167 199 T17 = T15 + T16;
cannam@167 200 T1w = T15 - T16;
cannam@167 201 }
cannam@167 202 T13 = TZ - T12;
cannam@167 203 T18 = T14 - T17;
cannam@167 204 T37 = TZ + T12;
cannam@167 205 T36 = T14 + T17;
cannam@167 206 T2L = T1v - T1w;
cannam@167 207 T2K = Tp - Ts;
cannam@167 208 }
cannam@167 209 T2J = T2H - T2I;
cannam@167 210 T2M = T2K + T2L;
cannam@167 211 T2N = T2J + T2M;
cannam@167 212 T2U = T2H + T2I;
cannam@167 213 T2V = T2L - T2K;
cannam@167 214 T3H = T2V - T2U;
cannam@167 215 {
cannam@167 216 E Tm, Tt, T3g, T3h;
cannam@167 217 Tm = Ti + Tl;
cannam@167 218 Tt = Tp + Ts;
cannam@167 219 Tu = Tm + Tt;
cannam@167 220 T25 = Tm - Tt;
cannam@167 221 T3g = FNMS(KP414213562, T33, T34);
cannam@167 222 T3h = FNMS(KP414213562, T36, T37);
cannam@167 223 T3i = T3g + T3h;
cannam@167 224 T3R = T3h - T3g;
cannam@167 225 }
cannam@167 226 {
cannam@167 227 E TY, T19, T1u, T1x;
cannam@167 228 TY = FMA(KP414213562, TX, TS);
cannam@167 229 T19 = FNMS(KP414213562, T18, T13);
cannam@167 230 T1a = TY + T19;
cannam@167 231 T2g = T19 - TY;
cannam@167 232 T1u = T1s + T1t;
cannam@167 233 T1x = T1v + T1w;
cannam@167 234 T1y = T1u + T1x;
cannam@167 235 T21 = T1x - T1u;
cannam@167 236 }
cannam@167 237 {
cannam@167 238 E T35, T38, T1n, T1o;
cannam@167 239 T35 = FMA(KP414213562, T34, T33);
cannam@167 240 T38 = FMA(KP414213562, T37, T36);
cannam@167 241 T39 = T35 - T38;
cannam@167 242 T3W = T35 + T38;
cannam@167 243 T1n = FNMS(KP414213562, TS, TX);
cannam@167 244 T1o = FMA(KP414213562, T13, T18);
cannam@167 245 T1p = T1n + T1o;
cannam@167 246 T2b = T1n - T1o;
cannam@167 247 }
cannam@167 248 }
cannam@167 249 {
cannam@167 250 E Tv, T1G, T1b, T1q, T1c, T1H, Tw, T1r, T1I, T1d;
cannam@167 251 Tv = Tf + Tu;
cannam@167 252 T1G = T1y + T1F;
cannam@167 253 T1b = FMA(KP923879532, T1a, TN);
cannam@167 254 T1q = FMA(KP923879532, T1p, T1m);
cannam@167 255 Tw = W[0];
cannam@167 256 T1c = Tw * T1b;
cannam@167 257 T1H = Tw * T1q;
cannam@167 258 T1d = W[1];
cannam@167 259 T1r = FMA(T1d, T1q, T1c);
cannam@167 260 T1I = FNMS(T1d, T1b, T1H);
cannam@167 261 Rp[0] = Tv - T1r;
cannam@167 262 Ip[0] = T1G + T1I;
cannam@167 263 Rm[0] = Tv + T1r;
cannam@167 264 Im[0] = T1I - T1G;
cannam@167 265 }
cannam@167 266 {
cannam@167 267 E T1N, T1J, T1L, T1M, T1V, T1Q, T1T, T1R, T1X, T1K, T1P;
cannam@167 268 T1N = T1F - T1y;
cannam@167 269 T1K = Tf - Tu;
cannam@167 270 T1J = W[14];
cannam@167 271 T1L = T1J * T1K;
cannam@167 272 T1M = W[15];
cannam@167 273 T1V = T1M * T1K;
cannam@167 274 T1Q = FNMS(KP923879532, T1a, TN);
cannam@167 275 T1T = FNMS(KP923879532, T1p, T1m);
cannam@167 276 T1P = W[16];
cannam@167 277 T1R = T1P * T1Q;
cannam@167 278 T1X = T1P * T1T;
cannam@167 279 {
cannam@167 280 E T1O, T1W, T1U, T1Y, T1S;
cannam@167 281 T1O = FNMS(T1M, T1N, T1L);
cannam@167 282 T1W = FMA(T1J, T1N, T1V);
cannam@167 283 T1S = W[17];
cannam@167 284 T1U = FMA(T1S, T1T, T1R);
cannam@167 285 T1Y = FNMS(T1S, T1Q, T1X);
cannam@167 286 Rp[WS(rs, 4)] = T1O - T1U;
cannam@167 287 Ip[WS(rs, 4)] = T1W + T1Y;
cannam@167 288 Rm[WS(rs, 4)] = T1O + T1U;
cannam@167 289 Im[WS(rs, 4)] = T1Y - T1W;
cannam@167 290 }
cannam@167 291 }
cannam@167 292 {
cannam@167 293 E T2r, T2n, T2p, T2q, T2z, T2u, T2x, T2v, T2B, T2o, T2t;
cannam@167 294 T2r = T26 - T25;
cannam@167 295 T2o = T20 - T21;
cannam@167 296 T2n = W[22];
cannam@167 297 T2p = T2n * T2o;
cannam@167 298 T2q = W[23];
cannam@167 299 T2z = T2q * T2o;
cannam@167 300 T2u = FNMS(KP923879532, T2b, T2a);
cannam@167 301 T2x = FNMS(KP923879532, T2g, T2f);
cannam@167 302 T2t = W[24];
cannam@167 303 T2v = T2t * T2u;
cannam@167 304 T2B = T2t * T2x;
cannam@167 305 {
cannam@167 306 E T2s, T2A, T2y, T2C, T2w;
cannam@167 307 T2s = FNMS(T2q, T2r, T2p);
cannam@167 308 T2A = FMA(T2n, T2r, T2z);
cannam@167 309 T2w = W[25];
cannam@167 310 T2y = FMA(T2w, T2x, T2v);
cannam@167 311 T2C = FNMS(T2w, T2u, T2B);
cannam@167 312 Rp[WS(rs, 6)] = T2s - T2y;
cannam@167 313 Ip[WS(rs, 6)] = T2A + T2C;
cannam@167 314 Rm[WS(rs, 6)] = T2s + T2y;
cannam@167 315 Im[WS(rs, 6)] = T2C - T2A;
cannam@167 316 }
cannam@167 317 }
cannam@167 318 {
cannam@167 319 E T27, T1Z, T23, T24, T2j, T2c, T2h, T2d, T2l, T22, T29;
cannam@167 320 T27 = T25 + T26;
cannam@167 321 T22 = T20 + T21;
cannam@167 322 T1Z = W[6];
cannam@167 323 T23 = T1Z * T22;
cannam@167 324 T24 = W[7];
cannam@167 325 T2j = T24 * T22;
cannam@167 326 T2c = FMA(KP923879532, T2b, T2a);
cannam@167 327 T2h = FMA(KP923879532, T2g, T2f);
cannam@167 328 T29 = W[8];
cannam@167 329 T2d = T29 * T2c;
cannam@167 330 T2l = T29 * T2h;
cannam@167 331 {
cannam@167 332 E T28, T2k, T2i, T2m, T2e;
cannam@167 333 T28 = FNMS(T24, T27, T23);
cannam@167 334 T2k = FMA(T1Z, T27, T2j);
cannam@167 335 T2e = W[9];
cannam@167 336 T2i = FMA(T2e, T2h, T2d);
cannam@167 337 T2m = FNMS(T2e, T2c, T2l);
cannam@167 338 Rp[WS(rs, 2)] = T28 - T2i;
cannam@167 339 Ip[WS(rs, 2)] = T2k + T2m;
cannam@167 340 Rm[WS(rs, 2)] = T28 + T2i;
cannam@167 341 Im[WS(rs, 2)] = T2m - T2k;
cannam@167 342 }
cannam@167 343 }
cannam@167 344 {
cannam@167 345 E T3N, T47, T43, T45, T46, T4f, T3F, T3J, T3K, T3Z, T3S, T3X, T3T, T41, T4a;
cannam@167 346 E T4d, T4b, T4h;
cannam@167 347 {
cannam@167 348 E T3M, T44, T3I, T3P, T49;
cannam@167 349 T3M = T2J - T2M;
cannam@167 350 T3N = FMA(KP707106781, T3M, T3L);
cannam@167 351 T47 = FNMS(KP707106781, T3M, T3L);
cannam@167 352 T44 = FNMS(KP707106781, T3H, T3G);
cannam@167 353 T43 = W[26];
cannam@167 354 T45 = T43 * T44;
cannam@167 355 T46 = W[27];
cannam@167 356 T4f = T46 * T44;
cannam@167 357 T3I = FMA(KP707106781, T3H, T3G);
cannam@167 358 T3F = W[10];
cannam@167 359 T3J = T3F * T3I;
cannam@167 360 T3K = W[11];
cannam@167 361 T3Z = T3K * T3I;
cannam@167 362 T3S = FMA(KP923879532, T3R, T3Q);
cannam@167 363 T3X = FNMS(KP923879532, T3W, T3V);
cannam@167 364 T3P = W[12];
cannam@167 365 T3T = T3P * T3S;
cannam@167 366 T41 = T3P * T3X;
cannam@167 367 T4a = FNMS(KP923879532, T3R, T3Q);
cannam@167 368 T4d = FMA(KP923879532, T3W, T3V);
cannam@167 369 T49 = W[28];
cannam@167 370 T4b = T49 * T4a;
cannam@167 371 T4h = T49 * T4d;
cannam@167 372 }
cannam@167 373 {
cannam@167 374 E T3O, T40, T3Y, T42, T3U;
cannam@167 375 T3O = FNMS(T3K, T3N, T3J);
cannam@167 376 T40 = FMA(T3F, T3N, T3Z);
cannam@167 377 T3U = W[13];
cannam@167 378 T3Y = FMA(T3U, T3X, T3T);
cannam@167 379 T42 = FNMS(T3U, T3S, T41);
cannam@167 380 Rp[WS(rs, 3)] = T3O - T3Y;
cannam@167 381 Ip[WS(rs, 3)] = T40 + T42;
cannam@167 382 Rm[WS(rs, 3)] = T3O + T3Y;
cannam@167 383 Im[WS(rs, 3)] = T42 - T40;
cannam@167 384 }
cannam@167 385 {
cannam@167 386 E T48, T4g, T4e, T4i, T4c;
cannam@167 387 T48 = FNMS(T46, T47, T45);
cannam@167 388 T4g = FMA(T43, T47, T4f);
cannam@167 389 T4c = W[29];
cannam@167 390 T4e = FMA(T4c, T4d, T4b);
cannam@167 391 T4i = FNMS(T4c, T4a, T4h);
cannam@167 392 Rp[WS(rs, 7)] = T48 - T4e;
cannam@167 393 Ip[WS(rs, 7)] = T4g + T4i;
cannam@167 394 Rm[WS(rs, 7)] = T48 + T4e;
cannam@167 395 Im[WS(rs, 7)] = T4i - T4g;
cannam@167 396 }
cannam@167 397 }
cannam@167 398 {
cannam@167 399 E T2X, T3t, T3p, T3r, T3s, T3B, T2D, T2P, T2Q, T3l, T3a, T3j, T3b, T3n, T3w;
cannam@167 400 E T3z, T3x, T3D;
cannam@167 401 {
cannam@167 402 E T2W, T3q, T2O, T2Z, T3v;
cannam@167 403 T2W = T2U + T2V;
cannam@167 404 T2X = FMA(KP707106781, T2W, T2T);
cannam@167 405 T3t = FNMS(KP707106781, T2W, T2T);
cannam@167 406 T3q = FNMS(KP707106781, T2N, T2G);
cannam@167 407 T3p = W[18];
cannam@167 408 T3r = T3p * T3q;
cannam@167 409 T3s = W[19];
cannam@167 410 T3B = T3s * T3q;
cannam@167 411 T2O = FMA(KP707106781, T2N, T2G);
cannam@167 412 T2D = W[2];
cannam@167 413 T2P = T2D * T2O;
cannam@167 414 T2Q = W[3];
cannam@167 415 T3l = T2Q * T2O;
cannam@167 416 T3a = FMA(KP923879532, T39, T32);
cannam@167 417 T3j = FNMS(KP923879532, T3i, T3f);
cannam@167 418 T2Z = W[4];
cannam@167 419 T3b = T2Z * T3a;
cannam@167 420 T3n = T2Z * T3j;
cannam@167 421 T3w = FNMS(KP923879532, T39, T32);
cannam@167 422 T3z = FMA(KP923879532, T3i, T3f);
cannam@167 423 T3v = W[20];
cannam@167 424 T3x = T3v * T3w;
cannam@167 425 T3D = T3v * T3z;
cannam@167 426 }
cannam@167 427 {
cannam@167 428 E T2Y, T3m, T3k, T3o, T3c;
cannam@167 429 T2Y = FNMS(T2Q, T2X, T2P);
cannam@167 430 T3m = FMA(T2D, T2X, T3l);
cannam@167 431 T3c = W[5];
cannam@167 432 T3k = FMA(T3c, T3j, T3b);
cannam@167 433 T3o = FNMS(T3c, T3a, T3n);
cannam@167 434 Rp[WS(rs, 1)] = T2Y - T3k;
cannam@167 435 Ip[WS(rs, 1)] = T3m + T3o;
cannam@167 436 Rm[WS(rs, 1)] = T2Y + T3k;
cannam@167 437 Im[WS(rs, 1)] = T3o - T3m;
cannam@167 438 }
cannam@167 439 {
cannam@167 440 E T3u, T3C, T3A, T3E, T3y;
cannam@167 441 T3u = FNMS(T3s, T3t, T3r);
cannam@167 442 T3C = FMA(T3p, T3t, T3B);
cannam@167 443 T3y = W[21];
cannam@167 444 T3A = FMA(T3y, T3z, T3x);
cannam@167 445 T3E = FNMS(T3y, T3w, T3D);
cannam@167 446 Rp[WS(rs, 5)] = T3u - T3A;
cannam@167 447 Ip[WS(rs, 5)] = T3C + T3E;
cannam@167 448 Rm[WS(rs, 5)] = T3u + T3A;
cannam@167 449 Im[WS(rs, 5)] = T3E - T3C;
cannam@167 450 }
cannam@167 451 }
cannam@167 452 }
cannam@167 453 }
cannam@167 454 }
cannam@167 455
cannam@167 456 static const tw_instr twinstr[] = {
cannam@167 457 {TW_FULL, 1, 16},
cannam@167 458 {TW_NEXT, 1, 0}
cannam@167 459 };
cannam@167 460
cannam@167 461 static const hc2c_desc desc = { 16, "hc2cbdft2_16", twinstr, &GENUS, {136, 30, 70, 0} };
cannam@167 462
cannam@167 463 void X(codelet_hc2cbdft2_16) (planner *p) {
cannam@167 464 X(khc2c_register) (p, hc2cbdft2_16, &desc, HC2C_VIA_DFT);
cannam@167 465 }
cannam@167 466 #else
cannam@167 467
cannam@167 468 /* Generated by: ../../../genfft/gen_hc2cdft.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 16 -dif -name hc2cbdft2_16 -include rdft/scalar/hc2cb.h */
cannam@167 469
cannam@167 470 /*
cannam@167 471 * This function contains 206 FP additions, 84 FP multiplications,
cannam@167 472 * (or, 168 additions, 46 multiplications, 38 fused multiply/add),
cannam@167 473 * 60 stack variables, 3 constants, and 64 memory accesses
cannam@167 474 */
cannam@167 475 #include "rdft/scalar/hc2cb.h"
cannam@167 476
cannam@167 477 static void hc2cbdft2_16(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
cannam@167 478 {
cannam@167 479 DK(KP923879532, +0.923879532511286756128183189396788286822416626);
cannam@167 480 DK(KP382683432, +0.382683432365089771728459984030398866761344562);
cannam@167 481 DK(KP707106781, +0.707106781186547524400844362104849039284835938);
cannam@167 482 {
cannam@167 483 INT m;
cannam@167 484 for (m = mb, W = W + ((mb - 1) * 30); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 30, MAKE_VOLATILE_STRIDE(64, rs)) {
cannam@167 485 E TB, T2L, T30, T1n, Tf, T1U, T2H, T3p, T1E, T1Z, TM, T31, T2s, T3k, T1i;
cannam@167 486 E T2M, Tu, T1Y, T2Q, T2X, T2T, T2Y, TY, T1d, T19, T1e, T2v, T2C, T2y, T2D;
cannam@167 487 E T1x, T1V;
cannam@167 488 {
cannam@167 489 E T3, T1j, TA, T1B, T6, Tx, T1m, T1C, Ta, TC, TF, T1y, Td, TH, TK;
cannam@167 490 E T1z;
cannam@167 491 {
cannam@167 492 E T1, T2, Ty, Tz;
cannam@167 493 T1 = Rp[0];
cannam@167 494 T2 = Rm[WS(rs, 7)];
cannam@167 495 T3 = T1 + T2;
cannam@167 496 T1j = T1 - T2;
cannam@167 497 Ty = Ip[0];
cannam@167 498 Tz = Im[WS(rs, 7)];
cannam@167 499 TA = Ty + Tz;
cannam@167 500 T1B = Ty - Tz;
cannam@167 501 }
cannam@167 502 {
cannam@167 503 E T4, T5, T1k, T1l;
cannam@167 504 T4 = Rp[WS(rs, 4)];
cannam@167 505 T5 = Rm[WS(rs, 3)];
cannam@167 506 T6 = T4 + T5;
cannam@167 507 Tx = T4 - T5;
cannam@167 508 T1k = Ip[WS(rs, 4)];
cannam@167 509 T1l = Im[WS(rs, 3)];
cannam@167 510 T1m = T1k + T1l;
cannam@167 511 T1C = T1k - T1l;
cannam@167 512 }
cannam@167 513 {
cannam@167 514 E T8, T9, TD, TE;
cannam@167 515 T8 = Rp[WS(rs, 2)];
cannam@167 516 T9 = Rm[WS(rs, 5)];
cannam@167 517 Ta = T8 + T9;
cannam@167 518 TC = T8 - T9;
cannam@167 519 TD = Ip[WS(rs, 2)];
cannam@167 520 TE = Im[WS(rs, 5)];
cannam@167 521 TF = TD + TE;
cannam@167 522 T1y = TD - TE;
cannam@167 523 }
cannam@167 524 {
cannam@167 525 E Tb, Tc, TI, TJ;
cannam@167 526 Tb = Rm[WS(rs, 1)];
cannam@167 527 Tc = Rp[WS(rs, 6)];
cannam@167 528 Td = Tb + Tc;
cannam@167 529 TH = Tb - Tc;
cannam@167 530 TI = Im[WS(rs, 1)];
cannam@167 531 TJ = Ip[WS(rs, 6)];
cannam@167 532 TK = TI + TJ;
cannam@167 533 T1z = TJ - TI;
cannam@167 534 }
cannam@167 535 {
cannam@167 536 E T7, Te, TG, TL;
cannam@167 537 TB = Tx + TA;
cannam@167 538 T2L = TA - Tx;
cannam@167 539 T30 = T1j + T1m;
cannam@167 540 T1n = T1j - T1m;
cannam@167 541 T7 = T3 + T6;
cannam@167 542 Te = Ta + Td;
cannam@167 543 Tf = T7 + Te;
cannam@167 544 T1U = T7 - Te;
cannam@167 545 {
cannam@167 546 E T2F, T2G, T1A, T1D;
cannam@167 547 T2F = Ta - Td;
cannam@167 548 T2G = T1B - T1C;
cannam@167 549 T2H = T2F + T2G;
cannam@167 550 T3p = T2G - T2F;
cannam@167 551 T1A = T1y + T1z;
cannam@167 552 T1D = T1B + T1C;
cannam@167 553 T1E = T1A + T1D;
cannam@167 554 T1Z = T1D - T1A;
cannam@167 555 }
cannam@167 556 TG = TC + TF;
cannam@167 557 TL = TH + TK;
cannam@167 558 TM = KP707106781 * (TG - TL);
cannam@167 559 T31 = KP707106781 * (TG + TL);
cannam@167 560 {
cannam@167 561 E T2q, T2r, T1g, T1h;
cannam@167 562 T2q = T3 - T6;
cannam@167 563 T2r = T1z - T1y;
cannam@167 564 T2s = T2q + T2r;
cannam@167 565 T3k = T2q - T2r;
cannam@167 566 T1g = TC - TF;
cannam@167 567 T1h = TH - TK;
cannam@167 568 T1i = KP707106781 * (T1g + T1h);
cannam@167 569 T2M = KP707106781 * (T1g - T1h);
cannam@167 570 }
cannam@167 571 }
cannam@167 572 }
cannam@167 573 {
cannam@167 574 E Ti, TT, TR, T1r, Tl, TO, TW, T1s, Tp, T14, T12, T1u, Ts, TZ, T17;
cannam@167 575 E T1v;
cannam@167 576 {
cannam@167 577 E Tg, Th, TP, TQ;
cannam@167 578 Tg = Rp[WS(rs, 1)];
cannam@167 579 Th = Rm[WS(rs, 6)];
cannam@167 580 Ti = Tg + Th;
cannam@167 581 TT = Tg - Th;
cannam@167 582 TP = Ip[WS(rs, 1)];
cannam@167 583 TQ = Im[WS(rs, 6)];
cannam@167 584 TR = TP + TQ;
cannam@167 585 T1r = TP - TQ;
cannam@167 586 }
cannam@167 587 {
cannam@167 588 E Tj, Tk, TU, TV;
cannam@167 589 Tj = Rp[WS(rs, 5)];
cannam@167 590 Tk = Rm[WS(rs, 2)];
cannam@167 591 Tl = Tj + Tk;
cannam@167 592 TO = Tj - Tk;
cannam@167 593 TU = Ip[WS(rs, 5)];
cannam@167 594 TV = Im[WS(rs, 2)];
cannam@167 595 TW = TU + TV;
cannam@167 596 T1s = TU - TV;
cannam@167 597 }
cannam@167 598 {
cannam@167 599 E Tn, To, T10, T11;
cannam@167 600 Tn = Rm[0];
cannam@167 601 To = Rp[WS(rs, 7)];
cannam@167 602 Tp = Tn + To;
cannam@167 603 T14 = Tn - To;
cannam@167 604 T10 = Im[0];
cannam@167 605 T11 = Ip[WS(rs, 7)];
cannam@167 606 T12 = T10 + T11;
cannam@167 607 T1u = T11 - T10;
cannam@167 608 }
cannam@167 609 {
cannam@167 610 E Tq, Tr, T15, T16;
cannam@167 611 Tq = Rp[WS(rs, 3)];
cannam@167 612 Tr = Rm[WS(rs, 4)];
cannam@167 613 Ts = Tq + Tr;
cannam@167 614 TZ = Tq - Tr;
cannam@167 615 T15 = Ip[WS(rs, 3)];
cannam@167 616 T16 = Im[WS(rs, 4)];
cannam@167 617 T17 = T15 + T16;
cannam@167 618 T1v = T15 - T16;
cannam@167 619 }
cannam@167 620 {
cannam@167 621 E Tm, Tt, T2O, T2P;
cannam@167 622 Tm = Ti + Tl;
cannam@167 623 Tt = Tp + Ts;
cannam@167 624 Tu = Tm + Tt;
cannam@167 625 T1Y = Tm - Tt;
cannam@167 626 T2O = TR - TO;
cannam@167 627 T2P = TT + TW;
cannam@167 628 T2Q = FMA(KP382683432, T2O, KP923879532 * T2P);
cannam@167 629 T2X = FNMS(KP923879532, T2O, KP382683432 * T2P);
cannam@167 630 }
cannam@167 631 {
cannam@167 632 E T2R, T2S, TS, TX;
cannam@167 633 T2R = TZ + T12;
cannam@167 634 T2S = T14 + T17;
cannam@167 635 T2T = FMA(KP382683432, T2R, KP923879532 * T2S);
cannam@167 636 T2Y = FNMS(KP923879532, T2R, KP382683432 * T2S);
cannam@167 637 TS = TO + TR;
cannam@167 638 TX = TT - TW;
cannam@167 639 TY = FMA(KP923879532, TS, KP382683432 * TX);
cannam@167 640 T1d = FNMS(KP382683432, TS, KP923879532 * TX);
cannam@167 641 }
cannam@167 642 {
cannam@167 643 E T13, T18, T2t, T2u;
cannam@167 644 T13 = TZ - T12;
cannam@167 645 T18 = T14 - T17;
cannam@167 646 T19 = FNMS(KP382683432, T18, KP923879532 * T13);
cannam@167 647 T1e = FMA(KP382683432, T13, KP923879532 * T18);
cannam@167 648 T2t = Ti - Tl;
cannam@167 649 T2u = T1r - T1s;
cannam@167 650 T2v = T2t - T2u;
cannam@167 651 T2C = T2t + T2u;
cannam@167 652 }
cannam@167 653 {
cannam@167 654 E T2w, T2x, T1t, T1w;
cannam@167 655 T2w = Tp - Ts;
cannam@167 656 T2x = T1u - T1v;
cannam@167 657 T2y = T2w + T2x;
cannam@167 658 T2D = T2x - T2w;
cannam@167 659 T1t = T1r + T1s;
cannam@167 660 T1w = T1u + T1v;
cannam@167 661 T1x = T1t + T1w;
cannam@167 662 T1V = T1w - T1t;
cannam@167 663 }
cannam@167 664 }
cannam@167 665 {
cannam@167 666 E Tv, T1F, T1b, T1N, T1p, T1P, T1L, T1R;
cannam@167 667 Tv = Tf + Tu;
cannam@167 668 T1F = T1x + T1E;
cannam@167 669 {
cannam@167 670 E TN, T1a, T1f, T1o;
cannam@167 671 TN = TB + TM;
cannam@167 672 T1a = TY + T19;
cannam@167 673 T1b = TN + T1a;
cannam@167 674 T1N = TN - T1a;
cannam@167 675 T1f = T1d + T1e;
cannam@167 676 T1o = T1i + T1n;
cannam@167 677 T1p = T1f + T1o;
cannam@167 678 T1P = T1o - T1f;
cannam@167 679 {
cannam@167 680 E T1I, T1K, T1H, T1J;
cannam@167 681 T1I = Tf - Tu;
cannam@167 682 T1K = T1E - T1x;
cannam@167 683 T1H = W[14];
cannam@167 684 T1J = W[15];
cannam@167 685 T1L = FNMS(T1J, T1K, T1H * T1I);
cannam@167 686 T1R = FMA(T1J, T1I, T1H * T1K);
cannam@167 687 }
cannam@167 688 }
cannam@167 689 {
cannam@167 690 E T1q, T1G, Tw, T1c;
cannam@167 691 Tw = W[0];
cannam@167 692 T1c = W[1];
cannam@167 693 T1q = FMA(Tw, T1b, T1c * T1p);
cannam@167 694 T1G = FNMS(T1c, T1b, Tw * T1p);
cannam@167 695 Rp[0] = Tv - T1q;
cannam@167 696 Ip[0] = T1F + T1G;
cannam@167 697 Rm[0] = Tv + T1q;
cannam@167 698 Im[0] = T1G - T1F;
cannam@167 699 }
cannam@167 700 {
cannam@167 701 E T1Q, T1S, T1M, T1O;
cannam@167 702 T1M = W[16];
cannam@167 703 T1O = W[17];
cannam@167 704 T1Q = FMA(T1M, T1N, T1O * T1P);
cannam@167 705 T1S = FNMS(T1O, T1N, T1M * T1P);
cannam@167 706 Rp[WS(rs, 4)] = T1L - T1Q;
cannam@167 707 Ip[WS(rs, 4)] = T1R + T1S;
cannam@167 708 Rm[WS(rs, 4)] = T1L + T1Q;
cannam@167 709 Im[WS(rs, 4)] = T1S - T1R;
cannam@167 710 }
cannam@167 711 }
cannam@167 712 {
cannam@167 713 E T25, T2j, T29, T2l, T21, T2b, T2h, T2n;
cannam@167 714 {
cannam@167 715 E T23, T24, T27, T28;
cannam@167 716 T23 = TB - TM;
cannam@167 717 T24 = T1d - T1e;
cannam@167 718 T25 = T23 + T24;
cannam@167 719 T2j = T23 - T24;
cannam@167 720 T27 = T19 - TY;
cannam@167 721 T28 = T1n - T1i;
cannam@167 722 T29 = T27 + T28;
cannam@167 723 T2l = T28 - T27;
cannam@167 724 }
cannam@167 725 {
cannam@167 726 E T1W, T20, T1T, T1X;
cannam@167 727 T1W = T1U + T1V;
cannam@167 728 T20 = T1Y + T1Z;
cannam@167 729 T1T = W[6];
cannam@167 730 T1X = W[7];
cannam@167 731 T21 = FNMS(T1X, T20, T1T * T1W);
cannam@167 732 T2b = FMA(T1X, T1W, T1T * T20);
cannam@167 733 }
cannam@167 734 {
cannam@167 735 E T2e, T2g, T2d, T2f;
cannam@167 736 T2e = T1U - T1V;
cannam@167 737 T2g = T1Z - T1Y;
cannam@167 738 T2d = W[22];
cannam@167 739 T2f = W[23];
cannam@167 740 T2h = FNMS(T2f, T2g, T2d * T2e);
cannam@167 741 T2n = FMA(T2f, T2e, T2d * T2g);
cannam@167 742 }
cannam@167 743 {
cannam@167 744 E T2a, T2c, T22, T26;
cannam@167 745 T22 = W[8];
cannam@167 746 T26 = W[9];
cannam@167 747 T2a = FMA(T22, T25, T26 * T29);
cannam@167 748 T2c = FNMS(T26, T25, T22 * T29);
cannam@167 749 Rp[WS(rs, 2)] = T21 - T2a;
cannam@167 750 Ip[WS(rs, 2)] = T2b + T2c;
cannam@167 751 Rm[WS(rs, 2)] = T21 + T2a;
cannam@167 752 Im[WS(rs, 2)] = T2c - T2b;
cannam@167 753 }
cannam@167 754 {
cannam@167 755 E T2m, T2o, T2i, T2k;
cannam@167 756 T2i = W[24];
cannam@167 757 T2k = W[25];
cannam@167 758 T2m = FMA(T2i, T2j, T2k * T2l);
cannam@167 759 T2o = FNMS(T2k, T2j, T2i * T2l);
cannam@167 760 Rp[WS(rs, 6)] = T2h - T2m;
cannam@167 761 Ip[WS(rs, 6)] = T2n + T2o;
cannam@167 762 Rm[WS(rs, 6)] = T2h + T2m;
cannam@167 763 Im[WS(rs, 6)] = T2o - T2n;
cannam@167 764 }
cannam@167 765 }
cannam@167 766 {
cannam@167 767 E T2A, T38, T2I, T3a, T2V, T3d, T33, T3f, T2z, T2E;
cannam@167 768 T2z = KP707106781 * (T2v + T2y);
cannam@167 769 T2A = T2s + T2z;
cannam@167 770 T38 = T2s - T2z;
cannam@167 771 T2E = KP707106781 * (T2C + T2D);
cannam@167 772 T2I = T2E + T2H;
cannam@167 773 T3a = T2H - T2E;
cannam@167 774 {
cannam@167 775 E T2N, T2U, T2Z, T32;
cannam@167 776 T2N = T2L + T2M;
cannam@167 777 T2U = T2Q - T2T;
cannam@167 778 T2V = T2N + T2U;
cannam@167 779 T3d = T2N - T2U;
cannam@167 780 T2Z = T2X + T2Y;
cannam@167 781 T32 = T30 - T31;
cannam@167 782 T33 = T2Z + T32;
cannam@167 783 T3f = T32 - T2Z;
cannam@167 784 }
cannam@167 785 {
cannam@167 786 E T2J, T35, T34, T36;
cannam@167 787 {
cannam@167 788 E T2p, T2B, T2K, T2W;
cannam@167 789 T2p = W[2];
cannam@167 790 T2B = W[3];
cannam@167 791 T2J = FNMS(T2B, T2I, T2p * T2A);
cannam@167 792 T35 = FMA(T2B, T2A, T2p * T2I);
cannam@167 793 T2K = W[4];
cannam@167 794 T2W = W[5];
cannam@167 795 T34 = FMA(T2K, T2V, T2W * T33);
cannam@167 796 T36 = FNMS(T2W, T2V, T2K * T33);
cannam@167 797 }
cannam@167 798 Rp[WS(rs, 1)] = T2J - T34;
cannam@167 799 Ip[WS(rs, 1)] = T35 + T36;
cannam@167 800 Rm[WS(rs, 1)] = T2J + T34;
cannam@167 801 Im[WS(rs, 1)] = T36 - T35;
cannam@167 802 }
cannam@167 803 {
cannam@167 804 E T3b, T3h, T3g, T3i;
cannam@167 805 {
cannam@167 806 E T37, T39, T3c, T3e;
cannam@167 807 T37 = W[18];
cannam@167 808 T39 = W[19];
cannam@167 809 T3b = FNMS(T39, T3a, T37 * T38);
cannam@167 810 T3h = FMA(T39, T38, T37 * T3a);
cannam@167 811 T3c = W[20];
cannam@167 812 T3e = W[21];
cannam@167 813 T3g = FMA(T3c, T3d, T3e * T3f);
cannam@167 814 T3i = FNMS(T3e, T3d, T3c * T3f);
cannam@167 815 }
cannam@167 816 Rp[WS(rs, 5)] = T3b - T3g;
cannam@167 817 Ip[WS(rs, 5)] = T3h + T3i;
cannam@167 818 Rm[WS(rs, 5)] = T3b + T3g;
cannam@167 819 Im[WS(rs, 5)] = T3i - T3h;
cannam@167 820 }
cannam@167 821 }
cannam@167 822 {
cannam@167 823 E T3m, T3E, T3q, T3G, T3v, T3J, T3z, T3L, T3l, T3o;
cannam@167 824 T3l = KP707106781 * (T2D - T2C);
cannam@167 825 T3m = T3k + T3l;
cannam@167 826 T3E = T3k - T3l;
cannam@167 827 T3o = KP707106781 * (T2v - T2y);
cannam@167 828 T3q = T3o + T3p;
cannam@167 829 T3G = T3p - T3o;
cannam@167 830 {
cannam@167 831 E T3t, T3u, T3x, T3y;
cannam@167 832 T3t = T2L - T2M;
cannam@167 833 T3u = T2X - T2Y;
cannam@167 834 T3v = T3t + T3u;
cannam@167 835 T3J = T3t - T3u;
cannam@167 836 T3x = T31 + T30;
cannam@167 837 T3y = T2Q + T2T;
cannam@167 838 T3z = T3x - T3y;
cannam@167 839 T3L = T3y + T3x;
cannam@167 840 }
cannam@167 841 {
cannam@167 842 E T3r, T3B, T3A, T3C;
cannam@167 843 {
cannam@167 844 E T3j, T3n, T3s, T3w;
cannam@167 845 T3j = W[10];
cannam@167 846 T3n = W[11];
cannam@167 847 T3r = FNMS(T3n, T3q, T3j * T3m);
cannam@167 848 T3B = FMA(T3n, T3m, T3j * T3q);
cannam@167 849 T3s = W[12];
cannam@167 850 T3w = W[13];
cannam@167 851 T3A = FMA(T3s, T3v, T3w * T3z);
cannam@167 852 T3C = FNMS(T3w, T3v, T3s * T3z);
cannam@167 853 }
cannam@167 854 Rp[WS(rs, 3)] = T3r - T3A;
cannam@167 855 Ip[WS(rs, 3)] = T3B + T3C;
cannam@167 856 Rm[WS(rs, 3)] = T3r + T3A;
cannam@167 857 Im[WS(rs, 3)] = T3C - T3B;
cannam@167 858 }
cannam@167 859 {
cannam@167 860 E T3H, T3N, T3M, T3O;
cannam@167 861 {
cannam@167 862 E T3D, T3F, T3I, T3K;
cannam@167 863 T3D = W[26];
cannam@167 864 T3F = W[27];
cannam@167 865 T3H = FNMS(T3F, T3G, T3D * T3E);
cannam@167 866 T3N = FMA(T3F, T3E, T3D * T3G);
cannam@167 867 T3I = W[28];
cannam@167 868 T3K = W[29];
cannam@167 869 T3M = FMA(T3I, T3J, T3K * T3L);
cannam@167 870 T3O = FNMS(T3K, T3J, T3I * T3L);
cannam@167 871 }
cannam@167 872 Rp[WS(rs, 7)] = T3H - T3M;
cannam@167 873 Ip[WS(rs, 7)] = T3N + T3O;
cannam@167 874 Rm[WS(rs, 7)] = T3H + T3M;
cannam@167 875 Im[WS(rs, 7)] = T3O - T3N;
cannam@167 876 }
cannam@167 877 }
cannam@167 878 }
cannam@167 879 }
cannam@167 880 }
cannam@167 881
cannam@167 882 static const tw_instr twinstr[] = {
cannam@167 883 {TW_FULL, 1, 16},
cannam@167 884 {TW_NEXT, 1, 0}
cannam@167 885 };
cannam@167 886
cannam@167 887 static const hc2c_desc desc = { 16, "hc2cbdft2_16", twinstr, &GENUS, {168, 46, 38, 0} };
cannam@167 888
cannam@167 889 void X(codelet_hc2cbdft2_16) (planner *p) {
cannam@167 890 X(khc2c_register) (p, hc2cbdft2_16, &desc, HC2C_VIA_DFT);
cannam@167 891 }
cannam@167 892 #endif