annotate src/fftw-3.3.8/rdft/scalar/r2cb/hc2cb2_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 08:07:55 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_hc2c.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -twiddle-log3 -precompute-twiddles -n 16 -dif -name hc2cb2_16 -include rdft/scalar/hc2cb.h */
cannam@167 29
cannam@167 30 /*
cannam@167 31 * This function contains 196 FP additions, 134 FP multiplications,
cannam@167 32 * (or, 104 additions, 42 multiplications, 92 fused multiply/add),
cannam@167 33 * 93 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 hc2cb2_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(KP707106781, +0.707106781186547524400844362104849039284835938);
cannam@167 41 DK(KP414213562, +0.414213562373095048801688724209698078569671875);
cannam@167 42 {
cannam@167 43 INT m;
cannam@167 44 for (m = mb, W = W + ((mb - 1) * 8); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 8, MAKE_VOLATILE_STRIDE(64, rs)) {
cannam@167 45 E Tv, Tw, T2z, T2C, TB, TF, Ty, Tz, T1V, TA, T2G, T3Q, T3C, T3g, T3L;
cannam@167 46 E T30, T3m, T3z, T3w, T3s, T1X, T1Y, T2u, T2c, T2p, TE, TG, T1G, T1o, T1D;
cannam@167 47 {
cannam@167 48 E T3f, T3l, T2F, T3r, T2Z, T3v, TD, Tx;
cannam@167 49 Tv = W[0];
cannam@167 50 Tw = W[2];
cannam@167 51 Tx = Tv * Tw;
cannam@167 52 T2z = W[6];
cannam@167 53 T3f = Tv * T2z;
cannam@167 54 T2C = W[7];
cannam@167 55 T3l = Tv * T2C;
cannam@167 56 TB = W[4];
cannam@167 57 T2F = Tv * TB;
cannam@167 58 T3r = Tw * TB;
cannam@167 59 TF = W[5];
cannam@167 60 T2Z = Tv * TF;
cannam@167 61 T3v = Tw * TF;
cannam@167 62 Ty = W[1];
cannam@167 63 Tz = W[3];
cannam@167 64 TD = Tv * Tz;
cannam@167 65 T1V = FMA(Ty, Tz, Tx);
cannam@167 66 TA = FNMS(Ty, Tz, Tx);
cannam@167 67 T2G = FNMS(Ty, TF, T2F);
cannam@167 68 T3Q = FMA(Tz, TB, T3v);
cannam@167 69 T3C = FNMS(Ty, TB, T2Z);
cannam@167 70 T3g = FMA(Ty, T2C, T3f);
cannam@167 71 T3L = FNMS(Tz, TF, T3r);
cannam@167 72 T30 = FMA(Ty, TB, T2Z);
cannam@167 73 T3m = FNMS(Ty, T2z, T3l);
cannam@167 74 T3z = FMA(Ty, TF, T2F);
cannam@167 75 T3w = FNMS(Tz, TB, T3v);
cannam@167 76 T3s = FMA(Tz, TF, T3r);
cannam@167 77 {
cannam@167 78 E T1W, T2b, TC, T1n;
cannam@167 79 T1W = T1V * TB;
cannam@167 80 T2b = T1V * TF;
cannam@167 81 T1X = FNMS(Ty, Tw, TD);
cannam@167 82 T1Y = FNMS(T1X, TF, T1W);
cannam@167 83 T2u = FNMS(T1X, TB, T2b);
cannam@167 84 T2c = FMA(T1X, TB, T2b);
cannam@167 85 T2p = FMA(T1X, TF, T1W);
cannam@167 86 TC = TA * TB;
cannam@167 87 T1n = TA * TF;
cannam@167 88 TE = FMA(Ty, Tw, TD);
cannam@167 89 TG = FNMS(TE, TF, TC);
cannam@167 90 T1G = FNMS(TE, TB, T1n);
cannam@167 91 T1o = FMA(TE, TB, T1n);
cannam@167 92 T1D = FMA(TE, TF, TC);
cannam@167 93 }
cannam@167 94 }
cannam@167 95 {
cannam@167 96 E TL, T1Z, T2d, T1t, T31, T34, T3n, T3D, T3E, T3R, T1w, T20, Tf, T3M, T2L;
cannam@167 97 E T3h, TW, T2e, T3G, T3H, T3N, T2Q, T36, T2V, T37, Tu, T3S, T18, T1z, T24;
cannam@167 98 E T2g, T27, T2h, T1j, T1y;
cannam@167 99 {
cannam@167 100 E T3, TH, T1s, T32, T6, T1p, TK, T33, Ta, TM, TP, T2J, Td, TR, TU;
cannam@167 101 E T2I;
cannam@167 102 {
cannam@167 103 E T1, T2, T1q, T1r;
cannam@167 104 T1 = Rp[0];
cannam@167 105 T2 = Rm[WS(rs, 7)];
cannam@167 106 T3 = T1 + T2;
cannam@167 107 TH = T1 - T2;
cannam@167 108 T1q = Ip[0];
cannam@167 109 T1r = Im[WS(rs, 7)];
cannam@167 110 T1s = T1q + T1r;
cannam@167 111 T32 = T1q - T1r;
cannam@167 112 }
cannam@167 113 {
cannam@167 114 E T4, T5, TI, TJ;
cannam@167 115 T4 = Rp[WS(rs, 4)];
cannam@167 116 T5 = Rm[WS(rs, 3)];
cannam@167 117 T6 = T4 + T5;
cannam@167 118 T1p = T4 - T5;
cannam@167 119 TI = Ip[WS(rs, 4)];
cannam@167 120 TJ = Im[WS(rs, 3)];
cannam@167 121 TK = TI + TJ;
cannam@167 122 T33 = TI - TJ;
cannam@167 123 }
cannam@167 124 {
cannam@167 125 E T8, T9, TN, TO;
cannam@167 126 T8 = Rp[WS(rs, 2)];
cannam@167 127 T9 = Rm[WS(rs, 5)];
cannam@167 128 Ta = T8 + T9;
cannam@167 129 TM = T8 - T9;
cannam@167 130 TN = Ip[WS(rs, 2)];
cannam@167 131 TO = Im[WS(rs, 5)];
cannam@167 132 TP = TN + TO;
cannam@167 133 T2J = TN - TO;
cannam@167 134 }
cannam@167 135 {
cannam@167 136 E Tb, Tc, TS, TT;
cannam@167 137 Tb = Rm[WS(rs, 1)];
cannam@167 138 Tc = Rp[WS(rs, 6)];
cannam@167 139 Td = Tb + Tc;
cannam@167 140 TR = Tb - Tc;
cannam@167 141 TS = Ip[WS(rs, 6)];
cannam@167 142 TT = Im[WS(rs, 1)];
cannam@167 143 TU = TS + TT;
cannam@167 144 T2I = TS - TT;
cannam@167 145 }
cannam@167 146 TL = TH - TK;
cannam@167 147 T1Z = TH + TK;
cannam@167 148 T2d = T1s - T1p;
cannam@167 149 T1t = T1p + T1s;
cannam@167 150 T31 = Ta - Td;
cannam@167 151 T34 = T32 - T33;
cannam@167 152 T3n = T34 - T31;
cannam@167 153 {
cannam@167 154 E T1u, T1v, T7, Te;
cannam@167 155 T3D = T32 + T33;
cannam@167 156 T3E = T2J + T2I;
cannam@167 157 T3R = T3D - T3E;
cannam@167 158 T1u = TM + TP;
cannam@167 159 T1v = TR + TU;
cannam@167 160 T1w = T1u - T1v;
cannam@167 161 T20 = T1u + T1v;
cannam@167 162 T7 = T3 + T6;
cannam@167 163 Te = Ta + Td;
cannam@167 164 Tf = T7 + Te;
cannam@167 165 T3M = T7 - Te;
cannam@167 166 {
cannam@167 167 E T2H, T2K, TQ, TV;
cannam@167 168 T2H = T3 - T6;
cannam@167 169 T2K = T2I - T2J;
cannam@167 170 T2L = T2H + T2K;
cannam@167 171 T3h = T2H - T2K;
cannam@167 172 TQ = TM - TP;
cannam@167 173 TV = TR - TU;
cannam@167 174 TW = TQ + TV;
cannam@167 175 T2e = TQ - TV;
cannam@167 176 }
cannam@167 177 }
cannam@167 178 }
cannam@167 179 {
cannam@167 180 E Ti, T1e, T1c, T2N, Tl, T19, T1h, T2O, Tp, T13, T11, T2S, Ts, TY, T16;
cannam@167 181 E T2T, T2M, T2P;
cannam@167 182 {
cannam@167 183 E Tg, Th, T1a, T1b;
cannam@167 184 Tg = Rp[WS(rs, 1)];
cannam@167 185 Th = Rm[WS(rs, 6)];
cannam@167 186 Ti = Tg + Th;
cannam@167 187 T1e = Tg - Th;
cannam@167 188 T1a = Ip[WS(rs, 1)];
cannam@167 189 T1b = Im[WS(rs, 6)];
cannam@167 190 T1c = T1a + T1b;
cannam@167 191 T2N = T1a - T1b;
cannam@167 192 }
cannam@167 193 {
cannam@167 194 E Tj, Tk, T1f, T1g;
cannam@167 195 Tj = Rp[WS(rs, 5)];
cannam@167 196 Tk = Rm[WS(rs, 2)];
cannam@167 197 Tl = Tj + Tk;
cannam@167 198 T19 = Tj - Tk;
cannam@167 199 T1f = Ip[WS(rs, 5)];
cannam@167 200 T1g = Im[WS(rs, 2)];
cannam@167 201 T1h = T1f + T1g;
cannam@167 202 T2O = T1f - T1g;
cannam@167 203 }
cannam@167 204 {
cannam@167 205 E Tn, To, TZ, T10;
cannam@167 206 Tn = Rm[0];
cannam@167 207 To = Rp[WS(rs, 7)];
cannam@167 208 Tp = Tn + To;
cannam@167 209 T13 = Tn - To;
cannam@167 210 TZ = Ip[WS(rs, 7)];
cannam@167 211 T10 = Im[0];
cannam@167 212 T11 = TZ + T10;
cannam@167 213 T2S = TZ - T10;
cannam@167 214 }
cannam@167 215 {
cannam@167 216 E Tq, Tr, T14, T15;
cannam@167 217 Tq = Rp[WS(rs, 3)];
cannam@167 218 Tr = Rm[WS(rs, 4)];
cannam@167 219 Ts = Tq + Tr;
cannam@167 220 TY = Tq - Tr;
cannam@167 221 T14 = Ip[WS(rs, 3)];
cannam@167 222 T15 = Im[WS(rs, 4)];
cannam@167 223 T16 = T14 + T15;
cannam@167 224 T2T = T14 - T15;
cannam@167 225 }
cannam@167 226 T3G = T2N + T2O;
cannam@167 227 T3H = T2S + T2T;
cannam@167 228 T3N = T3H - T3G;
cannam@167 229 T2M = Ti - Tl;
cannam@167 230 T2P = T2N - T2O;
cannam@167 231 T2Q = T2M - T2P;
cannam@167 232 T36 = T2M + T2P;
cannam@167 233 {
cannam@167 234 E T2R, T2U, Tm, Tt;
cannam@167 235 T2R = Tp - Ts;
cannam@167 236 T2U = T2S - T2T;
cannam@167 237 T2V = T2R + T2U;
cannam@167 238 T37 = T2U - T2R;
cannam@167 239 Tm = Ti + Tl;
cannam@167 240 Tt = Tp + Ts;
cannam@167 241 Tu = Tm + Tt;
cannam@167 242 T3S = Tm - Tt;
cannam@167 243 }
cannam@167 244 {
cannam@167 245 E T12, T17, T22, T23;
cannam@167 246 T12 = TY - T11;
cannam@167 247 T17 = T13 - T16;
cannam@167 248 T18 = FNMS(KP414213562, T17, T12);
cannam@167 249 T1z = FMA(KP414213562, T12, T17);
cannam@167 250 T22 = T1c - T19;
cannam@167 251 T23 = T1e + T1h;
cannam@167 252 T24 = FNMS(KP414213562, T23, T22);
cannam@167 253 T2g = FMA(KP414213562, T22, T23);
cannam@167 254 }
cannam@167 255 {
cannam@167 256 E T25, T26, T1d, T1i;
cannam@167 257 T25 = TY + T11;
cannam@167 258 T26 = T13 + T16;
cannam@167 259 T27 = FNMS(KP414213562, T26, T25);
cannam@167 260 T2h = FMA(KP414213562, T25, T26);
cannam@167 261 T1d = T19 + T1c;
cannam@167 262 T1i = T1e - T1h;
cannam@167 263 T1j = FMA(KP414213562, T1i, T1d);
cannam@167 264 T1y = FNMS(KP414213562, T1d, T1i);
cannam@167 265 }
cannam@167 266 }
cannam@167 267 Rp[0] = Tf + Tu;
cannam@167 268 {
cannam@167 269 E T3B, T3K, T3F, T3I, T3J, T3A;
cannam@167 270 T3A = Tf - Tu;
cannam@167 271 T3B = T3z * T3A;
cannam@167 272 T3K = T3C * T3A;
cannam@167 273 T3F = T3D + T3E;
cannam@167 274 T3I = T3G + T3H;
cannam@167 275 T3J = T3F - T3I;
cannam@167 276 Rm[0] = T3F + T3I;
cannam@167 277 Rm[WS(rs, 4)] = FMA(T3z, T3J, T3K);
cannam@167 278 Rp[WS(rs, 4)] = FNMS(T3C, T3J, T3B);
cannam@167 279 }
cannam@167 280 {
cannam@167 281 E T3O, T3P, T3T, T3U;
cannam@167 282 T3O = T3M - T3N;
cannam@167 283 T3P = T3L * T3O;
cannam@167 284 T3T = T3R - T3S;
cannam@167 285 T3U = T3L * T3T;
cannam@167 286 Rp[WS(rs, 6)] = FNMS(T3Q, T3T, T3P);
cannam@167 287 Rm[WS(rs, 6)] = FMA(T3Q, T3O, T3U);
cannam@167 288 }
cannam@167 289 {
cannam@167 290 E T3V, T3W, T3X, T3Y;
cannam@167 291 T3V = T3M + T3N;
cannam@167 292 T3W = TA * T3V;
cannam@167 293 T3X = T3S + T3R;
cannam@167 294 T3Y = TA * T3X;
cannam@167 295 Rp[WS(rs, 2)] = FNMS(TE, T3X, T3W);
cannam@167 296 Rm[WS(rs, 2)] = FMA(TE, T3V, T3Y);
cannam@167 297 }
cannam@167 298 {
cannam@167 299 E T3j, T3t, T3p, T3x, T3i, T3o;
cannam@167 300 T3i = T37 - T36;
cannam@167 301 T3j = FNMS(KP707106781, T3i, T3h);
cannam@167 302 T3t = FMA(KP707106781, T3i, T3h);
cannam@167 303 T3o = T2Q - T2V;
cannam@167 304 T3p = FNMS(KP707106781, T3o, T3n);
cannam@167 305 T3x = FMA(KP707106781, T3o, T3n);
cannam@167 306 {
cannam@167 307 E T3k, T3q, T3u, T3y;
cannam@167 308 T3k = T3g * T3j;
cannam@167 309 Rp[WS(rs, 7)] = FNMS(T3m, T3p, T3k);
cannam@167 310 T3q = T3g * T3p;
cannam@167 311 Rm[WS(rs, 7)] = FMA(T3m, T3j, T3q);
cannam@167 312 T3u = T3s * T3t;
cannam@167 313 Rp[WS(rs, 3)] = FNMS(T3w, T3x, T3u);
cannam@167 314 T3y = T3s * T3x;
cannam@167 315 Rm[WS(rs, 3)] = FMA(T3w, T3t, T3y);
cannam@167 316 }
cannam@167 317 }
cannam@167 318 {
cannam@167 319 E T2X, T3b, T39, T3d, T2W, T35, T38;
cannam@167 320 T2W = T2Q + T2V;
cannam@167 321 T2X = FNMS(KP707106781, T2W, T2L);
cannam@167 322 T3b = FMA(KP707106781, T2W, T2L);
cannam@167 323 T35 = T31 + T34;
cannam@167 324 T38 = T36 + T37;
cannam@167 325 T39 = FNMS(KP707106781, T38, T35);
cannam@167 326 T3d = FMA(KP707106781, T38, T35);
cannam@167 327 {
cannam@167 328 E T2Y, T3a, T3c, T3e;
cannam@167 329 T2Y = T2G * T2X;
cannam@167 330 Rp[WS(rs, 5)] = FNMS(T30, T39, T2Y);
cannam@167 331 T3a = T30 * T2X;
cannam@167 332 Rm[WS(rs, 5)] = FMA(T2G, T39, T3a);
cannam@167 333 T3c = T1V * T3b;
cannam@167 334 Rp[WS(rs, 1)] = FNMS(T1X, T3d, T3c);
cannam@167 335 T3e = T1X * T3b;
cannam@167 336 Rm[WS(rs, 1)] = FMA(T1V, T3d, T3e);
cannam@167 337 }
cannam@167 338 }
cannam@167 339 {
cannam@167 340 E T29, T2l, T2j, T2n;
cannam@167 341 {
cannam@167 342 E T21, T28, T2f, T2i;
cannam@167 343 T21 = FNMS(KP707106781, T20, T1Z);
cannam@167 344 T28 = T24 + T27;
cannam@167 345 T29 = FMA(KP923879532, T28, T21);
cannam@167 346 T2l = FNMS(KP923879532, T28, T21);
cannam@167 347 T2f = FMA(KP707106781, T2e, T2d);
cannam@167 348 T2i = T2g - T2h;
cannam@167 349 T2j = FNMS(KP923879532, T2i, T2f);
cannam@167 350 T2n = FMA(KP923879532, T2i, T2f);
cannam@167 351 }
cannam@167 352 {
cannam@167 353 E T2a, T2k, T2m, T2o;
cannam@167 354 T2a = T1Y * T29;
cannam@167 355 Ip[WS(rs, 5)] = FNMS(T2c, T2j, T2a);
cannam@167 356 T2k = T2c * T29;
cannam@167 357 Im[WS(rs, 5)] = FMA(T1Y, T2j, T2k);
cannam@167 358 T2m = Tw * T2l;
cannam@167 359 Ip[WS(rs, 1)] = FNMS(Tz, T2n, T2m);
cannam@167 360 T2o = Tz * T2l;
cannam@167 361 Im[WS(rs, 1)] = FMA(Tw, T2n, T2o);
cannam@167 362 }
cannam@167 363 }
cannam@167 364 {
cannam@167 365 E T1l, T1E, T1B, T1H;
cannam@167 366 {
cannam@167 367 E TX, T1k, T1x, T1A;
cannam@167 368 TX = FNMS(KP707106781, TW, TL);
cannam@167 369 T1k = T18 - T1j;
cannam@167 370 T1l = FNMS(KP923879532, T1k, TX);
cannam@167 371 T1E = FMA(KP923879532, T1k, TX);
cannam@167 372 T1x = FNMS(KP707106781, T1w, T1t);
cannam@167 373 T1A = T1y - T1z;
cannam@167 374 T1B = FNMS(KP923879532, T1A, T1x);
cannam@167 375 T1H = FMA(KP923879532, T1A, T1x);
cannam@167 376 }
cannam@167 377 {
cannam@167 378 E T1m, T1C, T1F, T1I;
cannam@167 379 T1m = TG * T1l;
cannam@167 380 Ip[WS(rs, 6)] = FNMS(T1o, T1B, T1m);
cannam@167 381 T1C = T1o * T1l;
cannam@167 382 Im[WS(rs, 6)] = FMA(TG, T1B, T1C);
cannam@167 383 T1F = T1D * T1E;
cannam@167 384 Ip[WS(rs, 2)] = FNMS(T1G, T1H, T1F);
cannam@167 385 T1I = T1G * T1E;
cannam@167 386 Im[WS(rs, 2)] = FMA(T1D, T1H, T1I);
cannam@167 387 }
cannam@167 388 }
cannam@167 389 {
cannam@167 390 E T2s, T2A, T2x, T2D;
cannam@167 391 {
cannam@167 392 E T2q, T2r, T2v, T2w;
cannam@167 393 T2q = FMA(KP707106781, T20, T1Z);
cannam@167 394 T2r = T2g + T2h;
cannam@167 395 T2s = FNMS(KP923879532, T2r, T2q);
cannam@167 396 T2A = FMA(KP923879532, T2r, T2q);
cannam@167 397 T2v = FNMS(KP707106781, T2e, T2d);
cannam@167 398 T2w = T27 - T24;
cannam@167 399 T2x = FMA(KP923879532, T2w, T2v);
cannam@167 400 T2D = FNMS(KP923879532, T2w, T2v);
cannam@167 401 }
cannam@167 402 {
cannam@167 403 E T2t, T2y, T2B, T2E;
cannam@167 404 T2t = T2p * T2s;
cannam@167 405 Ip[WS(rs, 3)] = FNMS(T2u, T2x, T2t);
cannam@167 406 T2y = T2p * T2x;
cannam@167 407 Im[WS(rs, 3)] = FMA(T2u, T2s, T2y);
cannam@167 408 T2B = T2z * T2A;
cannam@167 409 Ip[WS(rs, 7)] = FNMS(T2C, T2D, T2B);
cannam@167 410 T2E = T2z * T2D;
cannam@167 411 Im[WS(rs, 7)] = FMA(T2C, T2A, T2E);
cannam@167 412 }
cannam@167 413 }
cannam@167 414 {
cannam@167 415 E T1L, T1R, T1P, T1T;
cannam@167 416 {
cannam@167 417 E T1J, T1K, T1N, T1O;
cannam@167 418 T1J = FMA(KP707106781, TW, TL);
cannam@167 419 T1K = T1y + T1z;
cannam@167 420 T1L = FNMS(KP923879532, T1K, T1J);
cannam@167 421 T1R = FMA(KP923879532, T1K, T1J);
cannam@167 422 T1N = FMA(KP707106781, T1w, T1t);
cannam@167 423 T1O = T1j + T18;
cannam@167 424 T1P = FNMS(KP923879532, T1O, T1N);
cannam@167 425 T1T = FMA(KP923879532, T1O, T1N);
cannam@167 426 }
cannam@167 427 {
cannam@167 428 E T1M, T1Q, T1S, T1U;
cannam@167 429 T1M = TB * T1L;
cannam@167 430 Ip[WS(rs, 4)] = FNMS(TF, T1P, T1M);
cannam@167 431 T1Q = TB * T1P;
cannam@167 432 Im[WS(rs, 4)] = FMA(TF, T1L, T1Q);
cannam@167 433 T1S = Tv * T1R;
cannam@167 434 Ip[0] = FNMS(Ty, T1T, T1S);
cannam@167 435 T1U = Tv * T1T;
cannam@167 436 Im[0] = FMA(Ty, T1R, T1U);
cannam@167 437 }
cannam@167 438 }
cannam@167 439 }
cannam@167 440 }
cannam@167 441 }
cannam@167 442 }
cannam@167 443
cannam@167 444 static const tw_instr twinstr[] = {
cannam@167 445 {TW_CEXP, 1, 1},
cannam@167 446 {TW_CEXP, 1, 3},
cannam@167 447 {TW_CEXP, 1, 9},
cannam@167 448 {TW_CEXP, 1, 15},
cannam@167 449 {TW_NEXT, 1, 0}
cannam@167 450 };
cannam@167 451
cannam@167 452 static const hc2c_desc desc = { 16, "hc2cb2_16", twinstr, &GENUS, {104, 42, 92, 0} };
cannam@167 453
cannam@167 454 void X(codelet_hc2cb2_16) (planner *p) {
cannam@167 455 X(khc2c_register) (p, hc2cb2_16, &desc, HC2C_VIA_RDFT);
cannam@167 456 }
cannam@167 457 #else
cannam@167 458
cannam@167 459 /* Generated by: ../../../genfft/gen_hc2c.native -compact -variables 4 -pipeline-latency 4 -sign 1 -twiddle-log3 -precompute-twiddles -n 16 -dif -name hc2cb2_16 -include rdft/scalar/hc2cb.h */
cannam@167 460
cannam@167 461 /*
cannam@167 462 * This function contains 196 FP additions, 108 FP multiplications,
cannam@167 463 * (or, 156 additions, 68 multiplications, 40 fused multiply/add),
cannam@167 464 * 80 stack variables, 3 constants, and 64 memory accesses
cannam@167 465 */
cannam@167 466 #include "rdft/scalar/hc2cb.h"
cannam@167 467
cannam@167 468 static void hc2cb2_16(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
cannam@167 469 {
cannam@167 470 DK(KP382683432, +0.382683432365089771728459984030398866761344562);
cannam@167 471 DK(KP923879532, +0.923879532511286756128183189396788286822416626);
cannam@167 472 DK(KP707106781, +0.707106781186547524400844362104849039284835938);
cannam@167 473 {
cannam@167 474 INT m;
cannam@167 475 for (m = mb, W = W + ((mb - 1) * 8); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 8, MAKE_VOLATILE_STRIDE(64, rs)) {
cannam@167 476 E Tv, Ty, T1l, T1n, T1p, T1t, T27, T25, Tz, Tw, TB, T21, T1P, T1H, T1X;
cannam@167 477 E T17, T1L, T1N, T1v, T1w, T1x, T1B, T2F, T2T, T2b, T2R, T3j, T3x, T35, T3t;
cannam@167 478 {
cannam@167 479 E TA, T1J, T15, T1G, Tx, T1K, T16, T1F;
cannam@167 480 {
cannam@167 481 E T1m, T1s, T1o, T1r;
cannam@167 482 Tv = W[0];
cannam@167 483 Ty = W[1];
cannam@167 484 T1l = W[2];
cannam@167 485 T1n = W[3];
cannam@167 486 T1m = Tv * T1l;
cannam@167 487 T1s = Ty * T1l;
cannam@167 488 T1o = Ty * T1n;
cannam@167 489 T1r = Tv * T1n;
cannam@167 490 T1p = T1m + T1o;
cannam@167 491 T1t = T1r - T1s;
cannam@167 492 T27 = T1r + T1s;
cannam@167 493 T25 = T1m - T1o;
cannam@167 494 Tz = W[5];
cannam@167 495 TA = Ty * Tz;
cannam@167 496 T1J = T1l * Tz;
cannam@167 497 T15 = Tv * Tz;
cannam@167 498 T1G = T1n * Tz;
cannam@167 499 Tw = W[4];
cannam@167 500 Tx = Tv * Tw;
cannam@167 501 T1K = T1n * Tw;
cannam@167 502 T16 = Ty * Tw;
cannam@167 503 T1F = T1l * Tw;
cannam@167 504 }
cannam@167 505 TB = Tx - TA;
cannam@167 506 T21 = T1J + T1K;
cannam@167 507 T1P = T15 - T16;
cannam@167 508 T1H = T1F + T1G;
cannam@167 509 T1X = T1F - T1G;
cannam@167 510 T17 = T15 + T16;
cannam@167 511 T1L = T1J - T1K;
cannam@167 512 T1N = Tx + TA;
cannam@167 513 T1v = W[6];
cannam@167 514 T1w = W[7];
cannam@167 515 T1x = FMA(Tv, T1v, Ty * T1w);
cannam@167 516 T1B = FNMS(Ty, T1v, Tv * T1w);
cannam@167 517 {
cannam@167 518 E T2D, T2E, T29, T2a;
cannam@167 519 T2D = T25 * Tz;
cannam@167 520 T2E = T27 * Tw;
cannam@167 521 T2F = T2D + T2E;
cannam@167 522 T2T = T2D - T2E;
cannam@167 523 T29 = T25 * Tw;
cannam@167 524 T2a = T27 * Tz;
cannam@167 525 T2b = T29 - T2a;
cannam@167 526 T2R = T29 + T2a;
cannam@167 527 }
cannam@167 528 {
cannam@167 529 E T3h, T3i, T33, T34;
cannam@167 530 T3h = T1p * Tz;
cannam@167 531 T3i = T1t * Tw;
cannam@167 532 T3j = T3h + T3i;
cannam@167 533 T3x = T3h - T3i;
cannam@167 534 T33 = T1p * Tw;
cannam@167 535 T34 = T1t * Tz;
cannam@167 536 T35 = T33 - T34;
cannam@167 537 T3t = T33 + T34;
cannam@167 538 }
cannam@167 539 }
cannam@167 540 {
cannam@167 541 E T7, T36, T3k, TC, T1f, T2e, T2I, T1Q, Te, TJ, T1R, T18, T2L, T37, T2l;
cannam@167 542 E T3l, Tm, T1T, TT, T1h, T2A, T2N, T3b, T3n, Tt, T1U, T12, T1i, T2t, T2O;
cannam@167 543 E T3e, T3o;
cannam@167 544 {
cannam@167 545 E T3, T2c, T1b, T2H, T6, T2G, T1e, T2d;
cannam@167 546 {
cannam@167 547 E T1, T2, T19, T1a;
cannam@167 548 T1 = Rp[0];
cannam@167 549 T2 = Rm[WS(rs, 7)];
cannam@167 550 T3 = T1 + T2;
cannam@167 551 T2c = T1 - T2;
cannam@167 552 T19 = Ip[0];
cannam@167 553 T1a = Im[WS(rs, 7)];
cannam@167 554 T1b = T19 - T1a;
cannam@167 555 T2H = T19 + T1a;
cannam@167 556 }
cannam@167 557 {
cannam@167 558 E T4, T5, T1c, T1d;
cannam@167 559 T4 = Rp[WS(rs, 4)];
cannam@167 560 T5 = Rm[WS(rs, 3)];
cannam@167 561 T6 = T4 + T5;
cannam@167 562 T2G = T4 - T5;
cannam@167 563 T1c = Ip[WS(rs, 4)];
cannam@167 564 T1d = Im[WS(rs, 3)];
cannam@167 565 T1e = T1c - T1d;
cannam@167 566 T2d = T1c + T1d;
cannam@167 567 }
cannam@167 568 T7 = T3 + T6;
cannam@167 569 T36 = T2c + T2d;
cannam@167 570 T3k = T2H - T2G;
cannam@167 571 TC = T3 - T6;
cannam@167 572 T1f = T1b - T1e;
cannam@167 573 T2e = T2c - T2d;
cannam@167 574 T2I = T2G + T2H;
cannam@167 575 T1Q = T1b + T1e;
cannam@167 576 }
cannam@167 577 {
cannam@167 578 E Ta, T2f, TI, T2g, Td, T2i, TF, T2j;
cannam@167 579 {
cannam@167 580 E T8, T9, TG, TH;
cannam@167 581 T8 = Rp[WS(rs, 2)];
cannam@167 582 T9 = Rm[WS(rs, 5)];
cannam@167 583 Ta = T8 + T9;
cannam@167 584 T2f = T8 - T9;
cannam@167 585 TG = Ip[WS(rs, 2)];
cannam@167 586 TH = Im[WS(rs, 5)];
cannam@167 587 TI = TG - TH;
cannam@167 588 T2g = TG + TH;
cannam@167 589 }
cannam@167 590 {
cannam@167 591 E Tb, Tc, TD, TE;
cannam@167 592 Tb = Rm[WS(rs, 1)];
cannam@167 593 Tc = Rp[WS(rs, 6)];
cannam@167 594 Td = Tb + Tc;
cannam@167 595 T2i = Tb - Tc;
cannam@167 596 TD = Ip[WS(rs, 6)];
cannam@167 597 TE = Im[WS(rs, 1)];
cannam@167 598 TF = TD - TE;
cannam@167 599 T2j = TD + TE;
cannam@167 600 }
cannam@167 601 Te = Ta + Td;
cannam@167 602 TJ = TF - TI;
cannam@167 603 T1R = TI + TF;
cannam@167 604 T18 = Ta - Td;
cannam@167 605 {
cannam@167 606 E T2J, T2K, T2h, T2k;
cannam@167 607 T2J = T2f + T2g;
cannam@167 608 T2K = T2i + T2j;
cannam@167 609 T2L = KP707106781 * (T2J - T2K);
cannam@167 610 T37 = KP707106781 * (T2J + T2K);
cannam@167 611 T2h = T2f - T2g;
cannam@167 612 T2k = T2i - T2j;
cannam@167 613 T2l = KP707106781 * (T2h + T2k);
cannam@167 614 T3l = KP707106781 * (T2h - T2k);
cannam@167 615 }
cannam@167 616 }
cannam@167 617 {
cannam@167 618 E Ti, T2x, TO, T2v, Tl, T2u, TR, T2y, TL, TS;
cannam@167 619 {
cannam@167 620 E Tg, Th, TM, TN;
cannam@167 621 Tg = Rp[WS(rs, 1)];
cannam@167 622 Th = Rm[WS(rs, 6)];
cannam@167 623 Ti = Tg + Th;
cannam@167 624 T2x = Tg - Th;
cannam@167 625 TM = Ip[WS(rs, 1)];
cannam@167 626 TN = Im[WS(rs, 6)];
cannam@167 627 TO = TM - TN;
cannam@167 628 T2v = TM + TN;
cannam@167 629 }
cannam@167 630 {
cannam@167 631 E Tj, Tk, TP, TQ;
cannam@167 632 Tj = Rp[WS(rs, 5)];
cannam@167 633 Tk = Rm[WS(rs, 2)];
cannam@167 634 Tl = Tj + Tk;
cannam@167 635 T2u = Tj - Tk;
cannam@167 636 TP = Ip[WS(rs, 5)];
cannam@167 637 TQ = Im[WS(rs, 2)];
cannam@167 638 TR = TP - TQ;
cannam@167 639 T2y = TP + TQ;
cannam@167 640 }
cannam@167 641 Tm = Ti + Tl;
cannam@167 642 T1T = TO + TR;
cannam@167 643 TL = Ti - Tl;
cannam@167 644 TS = TO - TR;
cannam@167 645 TT = TL - TS;
cannam@167 646 T1h = TL + TS;
cannam@167 647 {
cannam@167 648 E T2w, T2z, T39, T3a;
cannam@167 649 T2w = T2u + T2v;
cannam@167 650 T2z = T2x - T2y;
cannam@167 651 T2A = FMA(KP923879532, T2w, KP382683432 * T2z);
cannam@167 652 T2N = FNMS(KP382683432, T2w, KP923879532 * T2z);
cannam@167 653 T39 = T2x + T2y;
cannam@167 654 T3a = T2v - T2u;
cannam@167 655 T3b = FNMS(KP923879532, T3a, KP382683432 * T39);
cannam@167 656 T3n = FMA(KP382683432, T3a, KP923879532 * T39);
cannam@167 657 }
cannam@167 658 }
cannam@167 659 {
cannam@167 660 E Tp, T2q, TX, T2o, Ts, T2n, T10, T2r, TU, T11;
cannam@167 661 {
cannam@167 662 E Tn, To, TV, TW;
cannam@167 663 Tn = Rm[0];
cannam@167 664 To = Rp[WS(rs, 7)];
cannam@167 665 Tp = Tn + To;
cannam@167 666 T2q = Tn - To;
cannam@167 667 TV = Ip[WS(rs, 7)];
cannam@167 668 TW = Im[0];
cannam@167 669 TX = TV - TW;
cannam@167 670 T2o = TV + TW;
cannam@167 671 }
cannam@167 672 {
cannam@167 673 E Tq, Tr, TY, TZ;
cannam@167 674 Tq = Rp[WS(rs, 3)];
cannam@167 675 Tr = Rm[WS(rs, 4)];
cannam@167 676 Ts = Tq + Tr;
cannam@167 677 T2n = Tq - Tr;
cannam@167 678 TY = Ip[WS(rs, 3)];
cannam@167 679 TZ = Im[WS(rs, 4)];
cannam@167 680 T10 = TY - TZ;
cannam@167 681 T2r = TY + TZ;
cannam@167 682 }
cannam@167 683 Tt = Tp + Ts;
cannam@167 684 T1U = TX + T10;
cannam@167 685 TU = Tp - Ts;
cannam@167 686 T11 = TX - T10;
cannam@167 687 T12 = TU + T11;
cannam@167 688 T1i = T11 - TU;
cannam@167 689 {
cannam@167 690 E T2p, T2s, T3c, T3d;
cannam@167 691 T2p = T2n - T2o;
cannam@167 692 T2s = T2q - T2r;
cannam@167 693 T2t = FNMS(KP382683432, T2s, KP923879532 * T2p);
cannam@167 694 T2O = FMA(KP382683432, T2p, KP923879532 * T2s);
cannam@167 695 T3c = T2q + T2r;
cannam@167 696 T3d = T2n + T2o;
cannam@167 697 T3e = FNMS(KP923879532, T3d, KP382683432 * T3c);
cannam@167 698 T3o = FMA(KP382683432, T3d, KP923879532 * T3c);
cannam@167 699 }
cannam@167 700 }
cannam@167 701 {
cannam@167 702 E Tf, Tu, T1O, T1S, T1V, T1W;
cannam@167 703 Tf = T7 + Te;
cannam@167 704 Tu = Tm + Tt;
cannam@167 705 T1O = Tf - Tu;
cannam@167 706 T1S = T1Q + T1R;
cannam@167 707 T1V = T1T + T1U;
cannam@167 708 T1W = T1S - T1V;
cannam@167 709 Rp[0] = Tf + Tu;
cannam@167 710 Rm[0] = T1S + T1V;
cannam@167 711 Rp[WS(rs, 4)] = FNMS(T1P, T1W, T1N * T1O);
cannam@167 712 Rm[WS(rs, 4)] = FMA(T1P, T1O, T1N * T1W);
cannam@167 713 }
cannam@167 714 {
cannam@167 715 E T3g, T3r, T3q, T3s;
cannam@167 716 {
cannam@167 717 E T38, T3f, T3m, T3p;
cannam@167 718 T38 = T36 - T37;
cannam@167 719 T3f = T3b + T3e;
cannam@167 720 T3g = T38 - T3f;
cannam@167 721 T3r = T38 + T3f;
cannam@167 722 T3m = T3k + T3l;
cannam@167 723 T3p = T3n - T3o;
cannam@167 724 T3q = T3m - T3p;
cannam@167 725 T3s = T3m + T3p;
cannam@167 726 }
cannam@167 727 Ip[WS(rs, 5)] = FNMS(T3j, T3q, T35 * T3g);
cannam@167 728 Im[WS(rs, 5)] = FMA(T3j, T3g, T35 * T3q);
cannam@167 729 Ip[WS(rs, 1)] = FNMS(T1n, T3s, T1l * T3r);
cannam@167 730 Im[WS(rs, 1)] = FMA(T1n, T3r, T1l * T3s);
cannam@167 731 }
cannam@167 732 {
cannam@167 733 E T3w, T3B, T3A, T3C;
cannam@167 734 {
cannam@167 735 E T3u, T3v, T3y, T3z;
cannam@167 736 T3u = T36 + T37;
cannam@167 737 T3v = T3n + T3o;
cannam@167 738 T3w = T3u - T3v;
cannam@167 739 T3B = T3u + T3v;
cannam@167 740 T3y = T3k - T3l;
cannam@167 741 T3z = T3b - T3e;
cannam@167 742 T3A = T3y + T3z;
cannam@167 743 T3C = T3y - T3z;
cannam@167 744 }
cannam@167 745 Ip[WS(rs, 3)] = FNMS(T3x, T3A, T3t * T3w);
cannam@167 746 Im[WS(rs, 3)] = FMA(T3t, T3A, T3x * T3w);
cannam@167 747 Ip[WS(rs, 7)] = FNMS(T1w, T3C, T1v * T3B);
cannam@167 748 Im[WS(rs, 7)] = FMA(T1v, T3C, T1w * T3B);
cannam@167 749 }
cannam@167 750 {
cannam@167 751 E T14, T1q, T1k, T1u;
cannam@167 752 {
cannam@167 753 E TK, T13, T1g, T1j;
cannam@167 754 TK = TC + TJ;
cannam@167 755 T13 = KP707106781 * (TT + T12);
cannam@167 756 T14 = TK - T13;
cannam@167 757 T1q = TK + T13;
cannam@167 758 T1g = T18 + T1f;
cannam@167 759 T1j = KP707106781 * (T1h + T1i);
cannam@167 760 T1k = T1g - T1j;
cannam@167 761 T1u = T1g + T1j;
cannam@167 762 }
cannam@167 763 Rp[WS(rs, 5)] = FNMS(T17, T1k, TB * T14);
cannam@167 764 Rm[WS(rs, 5)] = FMA(T17, T14, TB * T1k);
cannam@167 765 Rp[WS(rs, 1)] = FNMS(T1t, T1u, T1p * T1q);
cannam@167 766 Rm[WS(rs, 1)] = FMA(T1t, T1q, T1p * T1u);
cannam@167 767 }
cannam@167 768 {
cannam@167 769 E T1A, T1I, T1E, T1M;
cannam@167 770 {
cannam@167 771 E T1y, T1z, T1C, T1D;
cannam@167 772 T1y = TC - TJ;
cannam@167 773 T1z = KP707106781 * (T1i - T1h);
cannam@167 774 T1A = T1y - T1z;
cannam@167 775 T1I = T1y + T1z;
cannam@167 776 T1C = T1f - T18;
cannam@167 777 T1D = KP707106781 * (TT - T12);
cannam@167 778 T1E = T1C - T1D;
cannam@167 779 T1M = T1C + T1D;
cannam@167 780 }
cannam@167 781 Rp[WS(rs, 7)] = FNMS(T1B, T1E, T1x * T1A);
cannam@167 782 Rm[WS(rs, 7)] = FMA(T1x, T1E, T1B * T1A);
cannam@167 783 Rp[WS(rs, 3)] = FNMS(T1L, T1M, T1H * T1I);
cannam@167 784 Rm[WS(rs, 3)] = FMA(T1H, T1M, T1L * T1I);
cannam@167 785 }
cannam@167 786 {
cannam@167 787 E T2C, T2S, T2Q, T2U;
cannam@167 788 {
cannam@167 789 E T2m, T2B, T2M, T2P;
cannam@167 790 T2m = T2e - T2l;
cannam@167 791 T2B = T2t - T2A;
cannam@167 792 T2C = T2m - T2B;
cannam@167 793 T2S = T2m + T2B;
cannam@167 794 T2M = T2I - T2L;
cannam@167 795 T2P = T2N - T2O;
cannam@167 796 T2Q = T2M - T2P;
cannam@167 797 T2U = T2M + T2P;
cannam@167 798 }
cannam@167 799 Ip[WS(rs, 6)] = FNMS(T2F, T2Q, T2b * T2C);
cannam@167 800 Im[WS(rs, 6)] = FMA(T2F, T2C, T2b * T2Q);
cannam@167 801 Ip[WS(rs, 2)] = FNMS(T2T, T2U, T2R * T2S);
cannam@167 802 Im[WS(rs, 2)] = FMA(T2T, T2S, T2R * T2U);
cannam@167 803 }
cannam@167 804 {
cannam@167 805 E T2X, T31, T30, T32;
cannam@167 806 {
cannam@167 807 E T2V, T2W, T2Y, T2Z;
cannam@167 808 T2V = T2e + T2l;
cannam@167 809 T2W = T2N + T2O;
cannam@167 810 T2X = T2V - T2W;
cannam@167 811 T31 = T2V + T2W;
cannam@167 812 T2Y = T2I + T2L;
cannam@167 813 T2Z = T2A + T2t;
cannam@167 814 T30 = T2Y - T2Z;
cannam@167 815 T32 = T2Y + T2Z;
cannam@167 816 }
cannam@167 817 Ip[WS(rs, 4)] = FNMS(Tz, T30, Tw * T2X);
cannam@167 818 Im[WS(rs, 4)] = FMA(Tw, T30, Tz * T2X);
cannam@167 819 Ip[0] = FNMS(Ty, T32, Tv * T31);
cannam@167 820 Im[0] = FMA(Tv, T32, Ty * T31);
cannam@167 821 }
cannam@167 822 {
cannam@167 823 E T20, T26, T24, T28;
cannam@167 824 {
cannam@167 825 E T1Y, T1Z, T22, T23;
cannam@167 826 T1Y = T7 - Te;
cannam@167 827 T1Z = T1U - T1T;
cannam@167 828 T20 = T1Y - T1Z;
cannam@167 829 T26 = T1Y + T1Z;
cannam@167 830 T22 = T1Q - T1R;
cannam@167 831 T23 = Tm - Tt;
cannam@167 832 T24 = T22 - T23;
cannam@167 833 T28 = T23 + T22;
cannam@167 834 }
cannam@167 835 Rp[WS(rs, 6)] = FNMS(T21, T24, T1X * T20);
cannam@167 836 Rm[WS(rs, 6)] = FMA(T1X, T24, T21 * T20);
cannam@167 837 Rp[WS(rs, 2)] = FNMS(T27, T28, T25 * T26);
cannam@167 838 Rm[WS(rs, 2)] = FMA(T25, T28, T27 * T26);
cannam@167 839 }
cannam@167 840 }
cannam@167 841 }
cannam@167 842 }
cannam@167 843 }
cannam@167 844
cannam@167 845 static const tw_instr twinstr[] = {
cannam@167 846 {TW_CEXP, 1, 1},
cannam@167 847 {TW_CEXP, 1, 3},
cannam@167 848 {TW_CEXP, 1, 9},
cannam@167 849 {TW_CEXP, 1, 15},
cannam@167 850 {TW_NEXT, 1, 0}
cannam@167 851 };
cannam@167 852
cannam@167 853 static const hc2c_desc desc = { 16, "hc2cb2_16", twinstr, &GENUS, {156, 68, 40, 0} };
cannam@167 854
cannam@167 855 void X(codelet_hc2cb2_16) (planner *p) {
cannam@167 856 X(khc2c_register) (p, hc2cb2_16, &desc, HC2C_VIA_RDFT);
cannam@167 857 }
cannam@167 858 #endif