1 /*
2  * Copyright (c) 2003, 2007-14 Matteo Frigo
3  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
18  *
19  */
20 
21 /* This file was automatically generated --- DO NOT EDIT */
22 /* Generated on Thu Dec 10 07:06:31 EST 2020 */
23 
24 #include "rdft/codelet-rdft.h"
25 
26 #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
27 
28 /* Generated by: ../../../genfft/gen_hc2hc.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 20 -dif -name hb_20 -include rdft/scalar/hb.h */
29 
30 /*
31  * This function contains 246 FP additions, 148 FP multiplications,
32  * (or, 136 additions, 38 multiplications, 110 fused multiply/add),
33  * 91 stack variables, 4 constants, and 80 memory accesses
34  */
35 #include "rdft/scalar/hb.h"
36 
hb_20(R * cr,R * ci,const R * W,stride rs,INT mb,INT me,INT ms)37 static void hb_20(R *cr, R *ci, const R *W, stride rs, INT mb, INT me, INT ms)
38 {
39      DK(KP951056516, +0.951056516295153572116439333379382143405698634);
40      DK(KP559016994, +0.559016994374947424102293417182819058860154590);
41      DK(KP250000000, +0.250000000000000000000000000000000000000000000);
42      DK(KP618033988, +0.618033988749894848204586834365638117720309180);
43      {
44 	  INT m;
45 	  for (m = mb, W = W + ((mb - 1) * 38); m < me; m = m + 1, cr = cr + ms, ci = ci - ms, W = W + 38, MAKE_VOLATILE_STRIDE(40, rs)) {
46 	       E T7, T4e, T4z, TE, T1t, T2W, T3z, T2l, T13, T3G, T3H, T1i, T2g, T4H, T4G;
47 	       E T2d, T1B, T4u, T4r, T1A, T2s, T3l, T2t, T3s, T2m, T2n, T2o, T1u, T1v, T1w;
48 	       E TC, T29, T3C, T3E, T4l, T4n, TL, TN, T3b, T3d, T4C, T4E;
49 	       {
50 		    E T3, T2U, T1s, T2V, T6, T3y, T1p, T3x;
51 		    {
52 			 E T1, T2, T1q, T1r;
53 			 T1 = cr[0];
54 			 T2 = ci[WS(rs, 9)];
55 			 T3 = T1 + T2;
56 			 T2U = T1 - T2;
57 			 T1q = ci[WS(rs, 14)];
58 			 T1r = cr[WS(rs, 15)];
59 			 T1s = T1q - T1r;
60 			 T2V = T1q + T1r;
61 		    }
62 		    {
63 			 E T4, T5, T1n, T1o;
64 			 T4 = cr[WS(rs, 5)];
65 			 T5 = ci[WS(rs, 4)];
66 			 T6 = T4 + T5;
67 			 T3y = T4 - T5;
68 			 T1n = ci[WS(rs, 19)];
69 			 T1o = cr[WS(rs, 10)];
70 			 T1p = T1n - T1o;
71 			 T3x = T1n + T1o;
72 		    }
73 		    T7 = T3 + T6;
74 		    T4e = T2U - T2V;
75 		    T4z = T3y + T3x;
76 		    TE = T3 - T6;
77 		    T1t = T1p - T1s;
78 		    T2W = T2U + T2V;
79 		    T3z = T3x - T3y;
80 		    T2l = T1p + T1s;
81 	       }
82 	       {
83 		    E Te, T4f, T4p, TF, T1a, T2Z, T3o, T2b, TA, T4j, T4t, TJ, T12, T39, T3k;
84 		    E T2f, Tl, T4g, T4q, TG, T1h, T32, T3r, T2c, Tt, T4i, T4s, TI, TV, T36;
85 		    E T3h, T2e;
86 		    {
87 			 E Ta, T2X, T19, T2Y, Td, T3n, T16, T3m;
88 			 {
89 			      E T8, T9, T17, T18;
90 			      T8 = cr[WS(rs, 4)];
91 			      T9 = ci[WS(rs, 5)];
92 			      Ta = T8 + T9;
93 			      T2X = T8 - T9;
94 			      T17 = ci[WS(rs, 10)];
95 			      T18 = cr[WS(rs, 19)];
96 			      T19 = T17 - T18;
97 			      T2Y = T17 + T18;
98 			 }
99 			 {
100 			      E Tb, Tc, T14, T15;
101 			      Tb = cr[WS(rs, 9)];
102 			      Tc = ci[0];
103 			      Td = Tb + Tc;
104 			      T3n = Tb - Tc;
105 			      T14 = ci[WS(rs, 15)];
106 			      T15 = cr[WS(rs, 14)];
107 			      T16 = T14 - T15;
108 			      T3m = T14 + T15;
109 			 }
110 			 Te = Ta + Td;
111 			 T4f = T2X - T2Y;
112 			 T4p = T3n + T3m;
113 			 TF = Ta - Td;
114 			 T1a = T16 - T19;
115 			 T2Z = T2X + T2Y;
116 			 T3o = T3m - T3n;
117 			 T2b = T16 + T19;
118 		    }
119 		    {
120 			 E Tw, T37, Tz, T3i, TY, T3j, T11, T38;
121 			 {
122 			      E Tu, Tv, Tx, Ty;
123 			      Tu = ci[WS(rs, 7)];
124 			      Tv = cr[WS(rs, 2)];
125 			      Tw = Tu + Tv;
126 			      T37 = Tu - Tv;
127 			      Tx = ci[WS(rs, 2)];
128 			      Ty = cr[WS(rs, 7)];
129 			      Tz = Tx + Ty;
130 			      T3i = Tx - Ty;
131 			 }
132 			 {
133 			      E TW, TX, TZ, T10;
134 			      TW = ci[WS(rs, 17)];
135 			      TX = cr[WS(rs, 12)];
136 			      TY = TW - TX;
137 			      T3j = TW + TX;
138 			      TZ = ci[WS(rs, 12)];
139 			      T10 = cr[WS(rs, 17)];
140 			      T11 = TZ - T10;
141 			      T38 = TZ + T10;
142 			 }
143 			 TA = Tw + Tz;
144 			 T4j = T37 + T38;
145 			 T4t = T3i - T3j;
146 			 TJ = Tw - Tz;
147 			 T12 = TY - T11;
148 			 T39 = T37 - T38;
149 			 T3k = T3i + T3j;
150 			 T2f = TY + T11;
151 		    }
152 		    {
153 			 E Th, T30, T1g, T31, Tk, T3p, T1d, T3q;
154 			 {
155 			      E Tf, Tg, T1e, T1f;
156 			      Tf = ci[WS(rs, 3)];
157 			      Tg = cr[WS(rs, 6)];
158 			      Th = Tf + Tg;
159 			      T30 = Tf - Tg;
160 			      T1e = ci[WS(rs, 18)];
161 			      T1f = cr[WS(rs, 11)];
162 			      T1g = T1e - T1f;
163 			      T31 = T1e + T1f;
164 			 }
165 			 {
166 			      E Ti, Tj, T1b, T1c;
167 			      Ti = cr[WS(rs, 1)];
168 			      Tj = ci[WS(rs, 8)];
169 			      Tk = Ti + Tj;
170 			      T3p = Ti - Tj;
171 			      T1b = ci[WS(rs, 13)];
172 			      T1c = cr[WS(rs, 16)];
173 			      T1d = T1b - T1c;
174 			      T3q = T1b + T1c;
175 			 }
176 			 Tl = Th + Tk;
177 			 T4g = T30 - T31;
178 			 T4q = T3p - T3q;
179 			 TG = Th - Tk;
180 			 T1h = T1d - T1g;
181 			 T32 = T30 + T31;
182 			 T3r = T3p + T3q;
183 			 T2c = T1d + T1g;
184 		    }
185 		    {
186 			 E Tp, T34, TU, T35, Ts, T3g, TR, T3f;
187 			 {
188 			      E Tn, To, TS, TT;
189 			      Tn = cr[WS(rs, 8)];
190 			      To = ci[WS(rs, 1)];
191 			      Tp = Tn + To;
192 			      T34 = Tn - To;
193 			      TS = ci[WS(rs, 16)];
194 			      TT = cr[WS(rs, 13)];
195 			      TU = TS - TT;
196 			      T35 = TS + TT;
197 			 }
198 			 {
199 			      E Tq, Tr, TP, TQ;
200 			      Tq = ci[WS(rs, 6)];
201 			      Tr = cr[WS(rs, 3)];
202 			      Ts = Tq + Tr;
203 			      T3g = Tq - Tr;
204 			      TP = ci[WS(rs, 11)];
205 			      TQ = cr[WS(rs, 18)];
206 			      TR = TP - TQ;
207 			      T3f = TP + TQ;
208 			 }
209 			 Tt = Tp + Ts;
210 			 T4i = T34 + T35;
211 			 T4s = T3g + T3f;
212 			 TI = Tp - Ts;
213 			 TV = TR - TU;
214 			 T36 = T34 - T35;
215 			 T3h = T3f - T3g;
216 			 T2e = TR + TU;
217 		    }
218 		    T13 = TV - T12;
219 		    T3G = T36 - T39;
220 		    T3H = T2Z - T32;
221 		    T1i = T1a - T1h;
222 		    T2g = T2e - T2f;
223 		    T4H = T4i - T4j;
224 		    T4G = T4f - T4g;
225 		    T2d = T2b - T2c;
226 		    T1B = TF - TG;
227 		    T4u = T4s - T4t;
228 		    T4r = T4p - T4q;
229 		    T1A = TI - TJ;
230 		    T2s = Te - Tl;
231 		    T3l = T3h + T3k;
232 		    T2t = Tt - TA;
233 		    T3s = T3o + T3r;
234 		    T2m = T2b + T2c;
235 		    T2n = T2e + T2f;
236 		    T2o = T2m + T2n;
237 		    T1u = T1a + T1h;
238 		    T1v = TV + T12;
239 		    T1w = T1u + T1v;
240 		    {
241 			 E Tm, TB, TH, TK;
242 			 Tm = Te + Tl;
243 			 TB = Tt + TA;
244 			 TC = Tm + TB;
245 			 T29 = Tm - TB;
246 			 {
247 			      E T3A, T3B, T4h, T4k;
248 			      T3A = T3o - T3r;
249 			      T3B = T3h - T3k;
250 			      T3C = T3A + T3B;
251 			      T3E = T3A - T3B;
252 			      T4h = T4f + T4g;
253 			      T4k = T4i + T4j;
254 			      T4l = T4h + T4k;
255 			      T4n = T4h - T4k;
256 			 }
257 			 TH = TF + TG;
258 			 TK = TI + TJ;
259 			 TL = TH + TK;
260 			 TN = TH - TK;
261 			 {
262 			      E T33, T3a, T4A, T4B;
263 			      T33 = T2Z + T32;
264 			      T3a = T36 + T39;
265 			      T3b = T33 + T3a;
266 			      T3d = T33 - T3a;
267 			      T4A = T4p + T4q;
268 			      T4B = T4s + T4t;
269 			      T4C = T4A + T4B;
270 			      T4E = T4A - T4B;
271 			 }
272 		    }
273 	       }
274 	       cr[0] = T7 + TC;
275 	       ci[0] = T2l + T2o;
276 	       {
277 		    E T25, T21, T23, T24, T26, T22;
278 		    T25 = T1t + T1w;
279 		    T22 = TE + TL;
280 		    T21 = W[18];
281 		    T23 = T21 * T22;
282 		    T24 = W[19];
283 		    T26 = T24 * T22;
284 		    cr[WS(rs, 10)] = FNMS(T24, T25, T23);
285 		    ci[WS(rs, 10)] = FMA(T21, T25, T26);
286 	       }
287 	       {
288 		    E T58, T5b, T59, T5c, T57, T5a;
289 		    T58 = T4e + T4l;
290 		    T5b = T4z + T4C;
291 		    T57 = W[8];
292 		    T59 = T57 * T58;
293 		    T5c = T57 * T5b;
294 		    T5a = W[9];
295 		    cr[WS(rs, 5)] = FNMS(T5a, T5b, T59);
296 		    ci[WS(rs, 5)] = FMA(T5a, T58, T5c);
297 	       }
298 	       {
299 		    E T48, T4b, T49, T4c, T47, T4a;
300 		    T48 = T2W + T3b;
301 		    T4b = T3z + T3C;
302 		    T47 = W[28];
303 		    T49 = T47 * T48;
304 		    T4c = T47 * T4b;
305 		    T4a = W[29];
306 		    cr[WS(rs, 15)] = FNMS(T4a, T4b, T49);
307 		    ci[WS(rs, 15)] = FMA(T4a, T48, T4c);
308 	       }
309 	       {
310 		    E T3u, T42, T3M, T3U, T3J, T45, T3P, T3Z;
311 		    {
312 			 E T3t, T3T, T3e, T3S, T3c;
313 			 T3t = FNMS(KP618033988, T3s, T3l);
314 			 T3T = FMA(KP618033988, T3l, T3s);
315 			 T3c = FNMS(KP250000000, T3b, T2W);
316 			 T3e = FNMS(KP559016994, T3d, T3c);
317 			 T3S = FMA(KP559016994, T3d, T3c);
318 			 T3u = FNMS(KP951056516, T3t, T3e);
319 			 T42 = FMA(KP951056516, T3T, T3S);
320 			 T3M = FMA(KP951056516, T3t, T3e);
321 			 T3U = FNMS(KP951056516, T3T, T3S);
322 		    }
323 		    {
324 			 E T3I, T3Y, T3F, T3X, T3D;
325 			 T3I = FNMS(KP618033988, T3H, T3G);
326 			 T3Y = FMA(KP618033988, T3G, T3H);
327 			 T3D = FNMS(KP250000000, T3C, T3z);
328 			 T3F = FNMS(KP559016994, T3E, T3D);
329 			 T3X = FMA(KP559016994, T3E, T3D);
330 			 T3J = FMA(KP951056516, T3I, T3F);
331 			 T45 = FNMS(KP951056516, T3Y, T3X);
332 			 T3P = FNMS(KP951056516, T3I, T3F);
333 			 T3Z = FMA(KP951056516, T3Y, T3X);
334 		    }
335 		    {
336 			 E T3v, T3K, T2T, T3w;
337 			 T2T = W[4];
338 			 T3v = T2T * T3u;
339 			 T3K = T2T * T3J;
340 			 T3w = W[5];
341 			 cr[WS(rs, 3)] = FNMS(T3w, T3J, T3v);
342 			 ci[WS(rs, 3)] = FMA(T3w, T3u, T3K);
343 		    }
344 		    {
345 			 E T43, T46, T41, T44;
346 			 T41 = W[36];
347 			 T43 = T41 * T42;
348 			 T46 = T41 * T45;
349 			 T44 = W[37];
350 			 cr[WS(rs, 19)] = FNMS(T44, T45, T43);
351 			 ci[WS(rs, 19)] = FMA(T44, T42, T46);
352 		    }
353 		    {
354 			 E T3N, T3Q, T3L, T3O;
355 			 T3L = W[12];
356 			 T3N = T3L * T3M;
357 			 T3Q = T3L * T3P;
358 			 T3O = W[13];
359 			 cr[WS(rs, 7)] = FNMS(T3O, T3P, T3N);
360 			 ci[WS(rs, 7)] = FMA(T3O, T3M, T3Q);
361 		    }
362 		    {
363 			 E T3V, T40, T3R, T3W;
364 			 T3R = W[20];
365 			 T3V = T3R * T3U;
366 			 T40 = T3R * T3Z;
367 			 T3W = W[21];
368 			 cr[WS(rs, 11)] = FNMS(T3W, T3Z, T3V);
369 			 ci[WS(rs, 11)] = FMA(T3W, T3U, T40);
370 		    }
371 	       }
372 	       {
373 		    E T4w, T52, T4M, T4U, T4J, T55, T4P, T4Z;
374 		    {
375 			 E T4v, T4T, T4o, T4S, T4m;
376 			 T4v = FMA(KP618033988, T4u, T4r);
377 			 T4T = FNMS(KP618033988, T4r, T4u);
378 			 T4m = FNMS(KP250000000, T4l, T4e);
379 			 T4o = FMA(KP559016994, T4n, T4m);
380 			 T4S = FNMS(KP559016994, T4n, T4m);
381 			 T4w = FNMS(KP951056516, T4v, T4o);
382 			 T52 = FMA(KP951056516, T4T, T4S);
383 			 T4M = FMA(KP951056516, T4v, T4o);
384 			 T4U = FNMS(KP951056516, T4T, T4S);
385 		    }
386 		    {
387 			 E T4I, T4Y, T4F, T4X, T4D;
388 			 T4I = FMA(KP618033988, T4H, T4G);
389 			 T4Y = FNMS(KP618033988, T4G, T4H);
390 			 T4D = FNMS(KP250000000, T4C, T4z);
391 			 T4F = FMA(KP559016994, T4E, T4D);
392 			 T4X = FNMS(KP559016994, T4E, T4D);
393 			 T4J = FMA(KP951056516, T4I, T4F);
394 			 T55 = FNMS(KP951056516, T4Y, T4X);
395 			 T4P = FNMS(KP951056516, T4I, T4F);
396 			 T4Z = FMA(KP951056516, T4Y, T4X);
397 		    }
398 		    {
399 			 E T4x, T4K, T4d, T4y;
400 			 T4d = W[0];
401 			 T4x = T4d * T4w;
402 			 T4K = T4d * T4J;
403 			 T4y = W[1];
404 			 cr[WS(rs, 1)] = FNMS(T4y, T4J, T4x);
405 			 ci[WS(rs, 1)] = FMA(T4y, T4w, T4K);
406 		    }
407 		    {
408 			 E T53, T56, T51, T54;
409 			 T51 = W[32];
410 			 T53 = T51 * T52;
411 			 T56 = T51 * T55;
412 			 T54 = W[33];
413 			 cr[WS(rs, 17)] = FNMS(T54, T55, T53);
414 			 ci[WS(rs, 17)] = FMA(T54, T52, T56);
415 		    }
416 		    {
417 			 E T4N, T4Q, T4L, T4O;
418 			 T4L = W[16];
419 			 T4N = T4L * T4M;
420 			 T4Q = T4L * T4P;
421 			 T4O = W[17];
422 			 cr[WS(rs, 9)] = FNMS(T4O, T4P, T4N);
423 			 ci[WS(rs, 9)] = FMA(T4O, T4M, T4Q);
424 		    }
425 		    {
426 			 E T4V, T50, T4R, T4W;
427 			 T4R = W[24];
428 			 T4V = T4R * T4U;
429 			 T50 = T4R * T4Z;
430 			 T4W = W[25];
431 			 cr[WS(rs, 13)] = FNMS(T4W, T4Z, T4V);
432 			 ci[WS(rs, 13)] = FMA(T4W, T4U, T50);
433 		    }
434 	       }
435 	       {
436 		    E T2u, T2K, T2r, T2J, T2i, T2O, T2y, T2G, T2p, T2q;
437 		    T2u = FMA(KP618033988, T2t, T2s);
438 		    T2K = FNMS(KP618033988, T2s, T2t);
439 		    T2p = FNMS(KP250000000, T2o, T2l);
440 		    T2q = T2m - T2n;
441 		    T2r = FMA(KP559016994, T2q, T2p);
442 		    T2J = FNMS(KP559016994, T2q, T2p);
443 		    {
444 			 E T2h, T2F, T2a, T2E, T28;
445 			 T2h = FMA(KP618033988, T2g, T2d);
446 			 T2F = FNMS(KP618033988, T2d, T2g);
447 			 T28 = FNMS(KP250000000, TC, T7);
448 			 T2a = FMA(KP559016994, T29, T28);
449 			 T2E = FNMS(KP559016994, T29, T28);
450 			 T2i = FMA(KP951056516, T2h, T2a);
451 			 T2O = FMA(KP951056516, T2F, T2E);
452 			 T2y = FNMS(KP951056516, T2h, T2a);
453 			 T2G = FNMS(KP951056516, T2F, T2E);
454 		    }
455 		    {
456 			 E T2v, T2k, T2w, T27, T2j;
457 			 T2v = FNMS(KP951056516, T2u, T2r);
458 			 T2k = W[7];
459 			 T2w = T2k * T2i;
460 			 T27 = W[6];
461 			 T2j = T27 * T2i;
462 			 cr[WS(rs, 4)] = FNMS(T2k, T2v, T2j);
463 			 ci[WS(rs, 4)] = FMA(T27, T2v, T2w);
464 		    }
465 		    {
466 			 E T2R, T2Q, T2S, T2N, T2P;
467 			 T2R = FNMS(KP951056516, T2K, T2J);
468 			 T2Q = W[23];
469 			 T2S = T2Q * T2O;
470 			 T2N = W[22];
471 			 T2P = T2N * T2O;
472 			 cr[WS(rs, 12)] = FNMS(T2Q, T2R, T2P);
473 			 ci[WS(rs, 12)] = FMA(T2N, T2R, T2S);
474 		    }
475 		    {
476 			 E T2B, T2A, T2C, T2x, T2z;
477 			 T2B = FMA(KP951056516, T2u, T2r);
478 			 T2A = W[31];
479 			 T2C = T2A * T2y;
480 			 T2x = W[30];
481 			 T2z = T2x * T2y;
482 			 cr[WS(rs, 16)] = FNMS(T2A, T2B, T2z);
483 			 ci[WS(rs, 16)] = FMA(T2x, T2B, T2C);
484 		    }
485 		    {
486 			 E T2L, T2I, T2M, T2D, T2H;
487 			 T2L = FMA(KP951056516, T2K, T2J);
488 			 T2I = W[15];
489 			 T2M = T2I * T2G;
490 			 T2D = W[14];
491 			 T2H = T2D * T2G;
492 			 cr[WS(rs, 8)] = FNMS(T2I, T2L, T2H);
493 			 ci[WS(rs, 8)] = FMA(T2D, T2L, T2M);
494 		    }
495 	       }
496 	       {
497 		    E T1C, T1S, T1z, T1R, T1k, T1W, T1G, T1O, T1x, T1y;
498 		    T1C = FNMS(KP618033988, T1B, T1A);
499 		    T1S = FMA(KP618033988, T1A, T1B);
500 		    T1x = FNMS(KP250000000, T1w, T1t);
501 		    T1y = T1u - T1v;
502 		    T1z = FNMS(KP559016994, T1y, T1x);
503 		    T1R = FMA(KP559016994, T1y, T1x);
504 		    {
505 			 E T1j, T1N, TO, T1M, TM;
506 			 T1j = FNMS(KP618033988, T1i, T13);
507 			 T1N = FMA(KP618033988, T13, T1i);
508 			 TM = FNMS(KP250000000, TL, TE);
509 			 TO = FNMS(KP559016994, TN, TM);
510 			 T1M = FMA(KP559016994, TN, TM);
511 			 T1k = FMA(KP951056516, T1j, TO);
512 			 T1W = FMA(KP951056516, T1N, T1M);
513 			 T1G = FNMS(KP951056516, T1j, TO);
514 			 T1O = FNMS(KP951056516, T1N, T1M);
515 		    }
516 		    {
517 			 E T1D, T1m, T1E, TD, T1l;
518 			 T1D = FNMS(KP951056516, T1C, T1z);
519 			 T1m = W[3];
520 			 T1E = T1m * T1k;
521 			 TD = W[2];
522 			 T1l = TD * T1k;
523 			 cr[WS(rs, 2)] = FNMS(T1m, T1D, T1l);
524 			 ci[WS(rs, 2)] = FMA(TD, T1D, T1E);
525 		    }
526 		    {
527 			 E T1Z, T1Y, T20, T1V, T1X;
528 			 T1Z = FNMS(KP951056516, T1S, T1R);
529 			 T1Y = W[27];
530 			 T20 = T1Y * T1W;
531 			 T1V = W[26];
532 			 T1X = T1V * T1W;
533 			 cr[WS(rs, 14)] = FNMS(T1Y, T1Z, T1X);
534 			 ci[WS(rs, 14)] = FMA(T1V, T1Z, T20);
535 		    }
536 		    {
537 			 E T1J, T1I, T1K, T1F, T1H;
538 			 T1J = FMA(KP951056516, T1C, T1z);
539 			 T1I = W[35];
540 			 T1K = T1I * T1G;
541 			 T1F = W[34];
542 			 T1H = T1F * T1G;
543 			 cr[WS(rs, 18)] = FNMS(T1I, T1J, T1H);
544 			 ci[WS(rs, 18)] = FMA(T1F, T1J, T1K);
545 		    }
546 		    {
547 			 E T1T, T1Q, T1U, T1L, T1P;
548 			 T1T = FMA(KP951056516, T1S, T1R);
549 			 T1Q = W[11];
550 			 T1U = T1Q * T1O;
551 			 T1L = W[10];
552 			 T1P = T1L * T1O;
553 			 cr[WS(rs, 6)] = FNMS(T1Q, T1T, T1P);
554 			 ci[WS(rs, 6)] = FMA(T1L, T1T, T1U);
555 		    }
556 	       }
557 	  }
558      }
559 }
560 
561 static const tw_instr twinstr[] = {
562      { TW_FULL, 1, 20 },
563      { TW_NEXT, 1, 0 }
564 };
565 
566 static const hc2hc_desc desc = { 20, "hb_20", twinstr, &GENUS, { 136, 38, 110, 0 } };
567 
X(codelet_hb_20)568 void X(codelet_hb_20) (planner *p) {
569      X(khc2hc_register) (p, hb_20, &desc);
570 }
571 #else
572 
573 /* Generated by: ../../../genfft/gen_hc2hc.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 20 -dif -name hb_20 -include rdft/scalar/hb.h */
574 
575 /*
576  * This function contains 246 FP additions, 124 FP multiplications,
577  * (or, 184 additions, 62 multiplications, 62 fused multiply/add),
578  * 97 stack variables, 4 constants, and 80 memory accesses
579  */
580 #include "rdft/scalar/hb.h"
581 
hb_20(R * cr,R * ci,const R * W,stride rs,INT mb,INT me,INT ms)582 static void hb_20(R *cr, R *ci, const R *W, stride rs, INT mb, INT me, INT ms)
583 {
584      DK(KP250000000, +0.250000000000000000000000000000000000000000000);
585      DK(KP559016994, +0.559016994374947424102293417182819058860154590);
586      DK(KP587785252, +0.587785252292473129168705954639072768597652438);
587      DK(KP951056516, +0.951056516295153572116439333379382143405698634);
588      {
589 	  INT m;
590 	  for (m = mb, W = W + ((mb - 1) * 38); m < me; m = m + 1, cr = cr + ms, ci = ci - ms, W = W + 38, MAKE_VOLATILE_STRIDE(40, rs)) {
591 	       E T7, T3T, T49, TE, T1v, T2T, T3g, T2d, T13, T3n, T3o, T1i, T26, T4e, T4d;
592 	       E T23, T1n, T42, T3Z, T1m, T2h, T2I, T2i, T2P, T30, T37, T38, Tm, TB, TC;
593 	       E T46, T47, T4a, T2a, T2b, T2e, T1w, T1x, T1y, T3O, T3R, T3U, T3h, T3i, T3j;
594 	       E TH, TK, TL;
595 	       {
596 		    E T3, T2R, T1u, T2S, T6, T3f, T1r, T3e;
597 		    {
598 			 E T1, T2, T1s, T1t;
599 			 T1 = cr[0];
600 			 T2 = ci[WS(rs, 9)];
601 			 T3 = T1 + T2;
602 			 T2R = T1 - T2;
603 			 T1s = ci[WS(rs, 14)];
604 			 T1t = cr[WS(rs, 15)];
605 			 T1u = T1s - T1t;
606 			 T2S = T1s + T1t;
607 		    }
608 		    {
609 			 E T4, T5, T1p, T1q;
610 			 T4 = cr[WS(rs, 5)];
611 			 T5 = ci[WS(rs, 4)];
612 			 T6 = T4 + T5;
613 			 T3f = T4 - T5;
614 			 T1p = ci[WS(rs, 19)];
615 			 T1q = cr[WS(rs, 10)];
616 			 T1r = T1p - T1q;
617 			 T3e = T1p + T1q;
618 		    }
619 		    T7 = T3 + T6;
620 		    T3T = T2R - T2S;
621 		    T49 = T3f + T3e;
622 		    TE = T3 - T6;
623 		    T1v = T1r - T1u;
624 		    T2T = T2R + T2S;
625 		    T3g = T3e - T3f;
626 		    T2d = T1r + T1u;
627 	       }
628 	       {
629 		    E Te, T3M, T3X, TF, TV, T2E, T2W, T21, TA, T3Q, T41, TJ, T1h, T2O, T36;
630 		    E T25, Tl, T3N, T3Y, TG, T12, T2H, T2Z, T22, Tt, T3P, T40, TI, T1a, T2L;
631 		    E T33, T24;
632 		    {
633 			 E Ta, T2U, TU, T2V, Td, T2D, TR, T2C;
634 			 {
635 			      E T8, T9, TS, TT;
636 			      T8 = cr[WS(rs, 4)];
637 			      T9 = ci[WS(rs, 5)];
638 			      Ta = T8 + T9;
639 			      T2U = T8 - T9;
640 			      TS = ci[WS(rs, 10)];
641 			      TT = cr[WS(rs, 19)];
642 			      TU = TS - TT;
643 			      T2V = TS + TT;
644 			 }
645 			 {
646 			      E Tb, Tc, TP, TQ;
647 			      Tb = cr[WS(rs, 9)];
648 			      Tc = ci[0];
649 			      Td = Tb + Tc;
650 			      T2D = Tb - Tc;
651 			      TP = ci[WS(rs, 15)];
652 			      TQ = cr[WS(rs, 14)];
653 			      TR = TP - TQ;
654 			      T2C = TP + TQ;
655 			 }
656 			 Te = Ta + Td;
657 			 T3M = T2U - T2V;
658 			 T3X = T2D + T2C;
659 			 TF = Ta - Td;
660 			 TV = TR - TU;
661 			 T2E = T2C - T2D;
662 			 T2W = T2U + T2V;
663 			 T21 = TR + TU;
664 		    }
665 		    {
666 			 E Tw, T34, Tz, T2M, T1d, T2N, T1g, T35;
667 			 {
668 			      E Tu, Tv, Tx, Ty;
669 			      Tu = ci[WS(rs, 7)];
670 			      Tv = cr[WS(rs, 2)];
671 			      Tw = Tu + Tv;
672 			      T34 = Tu - Tv;
673 			      Tx = ci[WS(rs, 2)];
674 			      Ty = cr[WS(rs, 7)];
675 			      Tz = Tx + Ty;
676 			      T2M = Tx - Ty;
677 			 }
678 			 {
679 			      E T1b, T1c, T1e, T1f;
680 			      T1b = ci[WS(rs, 17)];
681 			      T1c = cr[WS(rs, 12)];
682 			      T1d = T1b - T1c;
683 			      T2N = T1b + T1c;
684 			      T1e = ci[WS(rs, 12)];
685 			      T1f = cr[WS(rs, 17)];
686 			      T1g = T1e - T1f;
687 			      T35 = T1e + T1f;
688 			 }
689 			 TA = Tw + Tz;
690 			 T3Q = T34 + T35;
691 			 T41 = T2M - T2N;
692 			 TJ = Tw - Tz;
693 			 T1h = T1d - T1g;
694 			 T2O = T2M + T2N;
695 			 T36 = T34 - T35;
696 			 T25 = T1d + T1g;
697 		    }
698 		    {
699 			 E Th, T2X, T11, T2Y, Tk, T2F, TY, T2G;
700 			 {
701 			      E Tf, Tg, TZ, T10;
702 			      Tf = ci[WS(rs, 3)];
703 			      Tg = cr[WS(rs, 6)];
704 			      Th = Tf + Tg;
705 			      T2X = Tf - Tg;
706 			      TZ = ci[WS(rs, 18)];
707 			      T10 = cr[WS(rs, 11)];
708 			      T11 = TZ - T10;
709 			      T2Y = TZ + T10;
710 			 }
711 			 {
712 			      E Ti, Tj, TW, TX;
713 			      Ti = cr[WS(rs, 1)];
714 			      Tj = ci[WS(rs, 8)];
715 			      Tk = Ti + Tj;
716 			      T2F = Ti - Tj;
717 			      TW = ci[WS(rs, 13)];
718 			      TX = cr[WS(rs, 16)];
719 			      TY = TW - TX;
720 			      T2G = TW + TX;
721 			 }
722 			 Tl = Th + Tk;
723 			 T3N = T2X - T2Y;
724 			 T3Y = T2F - T2G;
725 			 TG = Th - Tk;
726 			 T12 = TY - T11;
727 			 T2H = T2F + T2G;
728 			 T2Z = T2X + T2Y;
729 			 T22 = TY + T11;
730 		    }
731 		    {
732 			 E Tp, T31, T19, T32, Ts, T2K, T16, T2J;
733 			 {
734 			      E Tn, To, T17, T18;
735 			      Tn = cr[WS(rs, 8)];
736 			      To = ci[WS(rs, 1)];
737 			      Tp = Tn + To;
738 			      T31 = Tn - To;
739 			      T17 = ci[WS(rs, 16)];
740 			      T18 = cr[WS(rs, 13)];
741 			      T19 = T17 - T18;
742 			      T32 = T17 + T18;
743 			 }
744 			 {
745 			      E Tq, Tr, T14, T15;
746 			      Tq = ci[WS(rs, 6)];
747 			      Tr = cr[WS(rs, 3)];
748 			      Ts = Tq + Tr;
749 			      T2K = Tq - Tr;
750 			      T14 = ci[WS(rs, 11)];
751 			      T15 = cr[WS(rs, 18)];
752 			      T16 = T14 - T15;
753 			      T2J = T14 + T15;
754 			 }
755 			 Tt = Tp + Ts;
756 			 T3P = T31 + T32;
757 			 T40 = T2K + T2J;
758 			 TI = Tp - Ts;
759 			 T1a = T16 - T19;
760 			 T2L = T2J - T2K;
761 			 T33 = T31 - T32;
762 			 T24 = T16 + T19;
763 		    }
764 		    T13 = TV - T12;
765 		    T3n = T2W - T2Z;
766 		    T3o = T33 - T36;
767 		    T1i = T1a - T1h;
768 		    T26 = T24 - T25;
769 		    T4e = T3P - T3Q;
770 		    T4d = T3M - T3N;
771 		    T23 = T21 - T22;
772 		    T1n = TI - TJ;
773 		    T42 = T40 - T41;
774 		    T3Z = T3X - T3Y;
775 		    T1m = TF - TG;
776 		    T2h = Te - Tl;
777 		    T2I = T2E + T2H;
778 		    T2i = Tt - TA;
779 		    T2P = T2L + T2O;
780 		    T30 = T2W + T2Z;
781 		    T37 = T33 + T36;
782 		    T38 = T30 + T37;
783 		    Tm = Te + Tl;
784 		    TB = Tt + TA;
785 		    TC = Tm + TB;
786 		    T46 = T3X + T3Y;
787 		    T47 = T40 + T41;
788 		    T4a = T46 + T47;
789 		    T2a = T21 + T22;
790 		    T2b = T24 + T25;
791 		    T2e = T2a + T2b;
792 		    T1w = TV + T12;
793 		    T1x = T1a + T1h;
794 		    T1y = T1w + T1x;
795 		    T3O = T3M + T3N;
796 		    T3R = T3P + T3Q;
797 		    T3U = T3O + T3R;
798 		    T3h = T2E - T2H;
799 		    T3i = T2L - T2O;
800 		    T3j = T3h + T3i;
801 		    TH = TF + TG;
802 		    TK = TI + TJ;
803 		    TL = TH + TK;
804 	       }
805 	       cr[0] = T7 + TC;
806 	       ci[0] = T2d + T2e;
807 	       {
808 		    E T1U, T1W, T1T, T1V;
809 		    T1U = TE + TL;
810 		    T1W = T1v + T1y;
811 		    T1T = W[18];
812 		    T1V = W[19];
813 		    cr[WS(rs, 10)] = FNMS(T1V, T1W, T1T * T1U);
814 		    ci[WS(rs, 10)] = FMA(T1V, T1U, T1T * T1W);
815 	       }
816 	       {
817 		    E T4y, T4A, T4x, T4z;
818 		    T4y = T3T + T3U;
819 		    T4A = T49 + T4a;
820 		    T4x = W[8];
821 		    T4z = W[9];
822 		    cr[WS(rs, 5)] = FNMS(T4z, T4A, T4x * T4y);
823 		    ci[WS(rs, 5)] = FMA(T4x, T4A, T4z * T4y);
824 	       }
825 	       {
826 		    E T3I, T3K, T3H, T3J;
827 		    T3I = T2T + T38;
828 		    T3K = T3g + T3j;
829 		    T3H = W[28];
830 		    T3J = W[29];
831 		    cr[WS(rs, 15)] = FNMS(T3J, T3K, T3H * T3I);
832 		    ci[WS(rs, 15)] = FMA(T3H, T3K, T3J * T3I);
833 	       }
834 	       {
835 		    E T27, T2j, T2v, T2r, T2g, T2u, T20, T2q;
836 		    T27 = FMA(KP951056516, T23, KP587785252 * T26);
837 		    T2j = FMA(KP951056516, T2h, KP587785252 * T2i);
838 		    T2v = FNMS(KP951056516, T2i, KP587785252 * T2h);
839 		    T2r = FNMS(KP951056516, T26, KP587785252 * T23);
840 		    {
841 			 E T2c, T2f, T1Y, T1Z;
842 			 T2c = KP559016994 * (T2a - T2b);
843 			 T2f = FNMS(KP250000000, T2e, T2d);
844 			 T2g = T2c + T2f;
845 			 T2u = T2f - T2c;
846 			 T1Y = KP559016994 * (Tm - TB);
847 			 T1Z = FNMS(KP250000000, TC, T7);
848 			 T20 = T1Y + T1Z;
849 			 T2q = T1Z - T1Y;
850 		    }
851 		    {
852 			 E T28, T2k, T1X, T29;
853 			 T28 = T20 + T27;
854 			 T2k = T2g - T2j;
855 			 T1X = W[6];
856 			 T29 = W[7];
857 			 cr[WS(rs, 4)] = FNMS(T29, T2k, T1X * T28);
858 			 ci[WS(rs, 4)] = FMA(T29, T28, T1X * T2k);
859 		    }
860 		    {
861 			 E T2y, T2A, T2x, T2z;
862 			 T2y = T2q - T2r;
863 			 T2A = T2v + T2u;
864 			 T2x = W[22];
865 			 T2z = W[23];
866 			 cr[WS(rs, 12)] = FNMS(T2z, T2A, T2x * T2y);
867 			 ci[WS(rs, 12)] = FMA(T2z, T2y, T2x * T2A);
868 		    }
869 		    {
870 			 E T2m, T2o, T2l, T2n;
871 			 T2m = T20 - T27;
872 			 T2o = T2j + T2g;
873 			 T2l = W[30];
874 			 T2n = W[31];
875 			 cr[WS(rs, 16)] = FNMS(T2n, T2o, T2l * T2m);
876 			 ci[WS(rs, 16)] = FMA(T2n, T2m, T2l * T2o);
877 		    }
878 		    {
879 			 E T2s, T2w, T2p, T2t;
880 			 T2s = T2q + T2r;
881 			 T2w = T2u - T2v;
882 			 T2p = W[14];
883 			 T2t = W[15];
884 			 cr[WS(rs, 8)] = FNMS(T2t, T2w, T2p * T2s);
885 			 ci[WS(rs, 8)] = FMA(T2t, T2s, T2p * T2w);
886 		    }
887 	       }
888 	       {
889 		    E T43, T4f, T4r, T4m, T4c, T4q, T3W, T4n;
890 		    T43 = FMA(KP951056516, T3Z, KP587785252 * T42);
891 		    T4f = FMA(KP951056516, T4d, KP587785252 * T4e);
892 		    T4r = FNMS(KP951056516, T4e, KP587785252 * T4d);
893 		    T4m = FNMS(KP951056516, T42, KP587785252 * T3Z);
894 		    {
895 			 E T48, T4b, T3S, T3V;
896 			 T48 = KP559016994 * (T46 - T47);
897 			 T4b = FNMS(KP250000000, T4a, T49);
898 			 T4c = T48 + T4b;
899 			 T4q = T4b - T48;
900 			 T3S = KP559016994 * (T3O - T3R);
901 			 T3V = FNMS(KP250000000, T3U, T3T);
902 			 T3W = T3S + T3V;
903 			 T4n = T3V - T3S;
904 		    }
905 		    {
906 			 E T44, T4g, T3L, T45;
907 			 T44 = T3W - T43;
908 			 T4g = T4c + T4f;
909 			 T3L = W[0];
910 			 T45 = W[1];
911 			 cr[WS(rs, 1)] = FNMS(T45, T4g, T3L * T44);
912 			 ci[WS(rs, 1)] = FMA(T3L, T4g, T45 * T44);
913 		    }
914 		    {
915 			 E T4u, T4w, T4t, T4v;
916 			 T4u = T4n - T4m;
917 			 T4w = T4q + T4r;
918 			 T4t = W[32];
919 			 T4v = W[33];
920 			 cr[WS(rs, 17)] = FNMS(T4v, T4w, T4t * T4u);
921 			 ci[WS(rs, 17)] = FMA(T4t, T4w, T4v * T4u);
922 		    }
923 		    {
924 			 E T4i, T4k, T4h, T4j;
925 			 T4i = T43 + T3W;
926 			 T4k = T4c - T4f;
927 			 T4h = W[16];
928 			 T4j = W[17];
929 			 cr[WS(rs, 9)] = FNMS(T4j, T4k, T4h * T4i);
930 			 ci[WS(rs, 9)] = FMA(T4h, T4k, T4j * T4i);
931 		    }
932 		    {
933 			 E T4o, T4s, T4l, T4p;
934 			 T4o = T4m + T4n;
935 			 T4s = T4q - T4r;
936 			 T4l = W[24];
937 			 T4p = W[25];
938 			 cr[WS(rs, 13)] = FNMS(T4p, T4s, T4l * T4o);
939 			 ci[WS(rs, 13)] = FMA(T4l, T4s, T4p * T4o);
940 		    }
941 	       }
942 	       {
943 		    E T1j, T1o, T1M, T1J, T1B, T1N, TO, T1I;
944 		    T1j = FNMS(KP951056516, T1i, KP587785252 * T13);
945 		    T1o = FNMS(KP951056516, T1n, KP587785252 * T1m);
946 		    T1M = FMA(KP951056516, T1m, KP587785252 * T1n);
947 		    T1J = FMA(KP951056516, T13, KP587785252 * T1i);
948 		    {
949 			 E T1z, T1A, TM, TN;
950 			 T1z = FNMS(KP250000000, T1y, T1v);
951 			 T1A = KP559016994 * (T1w - T1x);
952 			 T1B = T1z - T1A;
953 			 T1N = T1A + T1z;
954 			 TM = FNMS(KP250000000, TL, TE);
955 			 TN = KP559016994 * (TH - TK);
956 			 TO = TM - TN;
957 			 T1I = TN + TM;
958 		    }
959 		    {
960 			 E T1k, T1C, TD, T1l;
961 			 T1k = TO - T1j;
962 			 T1C = T1o + T1B;
963 			 TD = W[2];
964 			 T1l = W[3];
965 			 cr[WS(rs, 2)] = FNMS(T1l, T1C, TD * T1k);
966 			 ci[WS(rs, 2)] = FMA(T1l, T1k, TD * T1C);
967 		    }
968 		    {
969 			 E T1Q, T1S, T1P, T1R;
970 			 T1Q = T1I + T1J;
971 			 T1S = T1N - T1M;
972 			 T1P = W[26];
973 			 T1R = W[27];
974 			 cr[WS(rs, 14)] = FNMS(T1R, T1S, T1P * T1Q);
975 			 ci[WS(rs, 14)] = FMA(T1R, T1Q, T1P * T1S);
976 		    }
977 		    {
978 			 E T1E, T1G, T1D, T1F;
979 			 T1E = TO + T1j;
980 			 T1G = T1B - T1o;
981 			 T1D = W[34];
982 			 T1F = W[35];
983 			 cr[WS(rs, 18)] = FNMS(T1F, T1G, T1D * T1E);
984 			 ci[WS(rs, 18)] = FMA(T1F, T1E, T1D * T1G);
985 		    }
986 		    {
987 			 E T1K, T1O, T1H, T1L;
988 			 T1K = T1I - T1J;
989 			 T1O = T1M + T1N;
990 			 T1H = W[10];
991 			 T1L = W[11];
992 			 cr[WS(rs, 6)] = FNMS(T1L, T1O, T1H * T1K);
993 			 ci[WS(rs, 6)] = FMA(T1L, T1K, T1H * T1O);
994 		    }
995 	       }
996 	       {
997 		    E T2Q, T3p, T3B, T3x, T3m, T3A, T3b, T3w;
998 		    T2Q = FNMS(KP951056516, T2P, KP587785252 * T2I);
999 		    T3p = FNMS(KP951056516, T3o, KP587785252 * T3n);
1000 		    T3B = FMA(KP951056516, T3n, KP587785252 * T3o);
1001 		    T3x = FMA(KP951056516, T2I, KP587785252 * T2P);
1002 		    {
1003 			 E T3k, T3l, T39, T3a;
1004 			 T3k = FNMS(KP250000000, T3j, T3g);
1005 			 T3l = KP559016994 * (T3h - T3i);
1006 			 T3m = T3k - T3l;
1007 			 T3A = T3l + T3k;
1008 			 T39 = FNMS(KP250000000, T38, T2T);
1009 			 T3a = KP559016994 * (T30 - T37);
1010 			 T3b = T39 - T3a;
1011 			 T3w = T3a + T39;
1012 		    }
1013 		    {
1014 			 E T3c, T3q, T2B, T3d;
1015 			 T3c = T2Q + T3b;
1016 			 T3q = T3m - T3p;
1017 			 T2B = W[4];
1018 			 T3d = W[5];
1019 			 cr[WS(rs, 3)] = FNMS(T3d, T3q, T2B * T3c);
1020 			 ci[WS(rs, 3)] = FMA(T2B, T3q, T3d * T3c);
1021 		    }
1022 		    {
1023 			 E T3E, T3G, T3D, T3F;
1024 			 T3E = T3x + T3w;
1025 			 T3G = T3A - T3B;
1026 			 T3D = W[36];
1027 			 T3F = W[37];
1028 			 cr[WS(rs, 19)] = FNMS(T3F, T3G, T3D * T3E);
1029 			 ci[WS(rs, 19)] = FMA(T3D, T3G, T3F * T3E);
1030 		    }
1031 		    {
1032 			 E T3s, T3u, T3r, T3t;
1033 			 T3s = T3b - T2Q;
1034 			 T3u = T3m + T3p;
1035 			 T3r = W[12];
1036 			 T3t = W[13];
1037 			 cr[WS(rs, 7)] = FNMS(T3t, T3u, T3r * T3s);
1038 			 ci[WS(rs, 7)] = FMA(T3r, T3u, T3t * T3s);
1039 		    }
1040 		    {
1041 			 E T3y, T3C, T3v, T3z;
1042 			 T3y = T3w - T3x;
1043 			 T3C = T3A + T3B;
1044 			 T3v = W[20];
1045 			 T3z = W[21];
1046 			 cr[WS(rs, 11)] = FNMS(T3z, T3C, T3v * T3y);
1047 			 ci[WS(rs, 11)] = FMA(T3v, T3C, T3z * T3y);
1048 		    }
1049 	       }
1050 	  }
1051      }
1052 }
1053 
1054 static const tw_instr twinstr[] = {
1055      { TW_FULL, 1, 20 },
1056      { TW_NEXT, 1, 0 }
1057 };
1058 
1059 static const hc2hc_desc desc = { 20, "hb_20", twinstr, &GENUS, { 184, 62, 62, 0 } };
1060 
X(codelet_hb_20)1061 void X(codelet_hb_20) (planner *p) {
1062      X(khc2hc_register) (p, hb_20, &desc);
1063 }
1064 #endif
1065