Coverage Report

Created: 2025-10-10 07:00

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/fftw3/dft/scalar/codelets/t1_6.c
Line
Count
Source
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 Fri Oct 10 06:56:59 UTC 2025 */
23
24
#include "dft/codelet-dft.h"
25
26
#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
27
28
/* Generated by: ../../../genfft/gen_twiddle.native -fma -compact -variables 4 -pipeline-latency 4 -n 6 -name t1_6 -include dft/scalar/t.h */
29
30
/*
31
 * This function contains 46 FP additions, 32 FP multiplications,
32
 * (or, 24 additions, 10 multiplications, 22 fused multiply/add),
33
 * 31 stack variables, 2 constants, and 24 memory accesses
34
 */
35
#include "dft/scalar/t.h"
36
37
static void t1_6(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
38
{
39
     DK(KP866025403, +0.866025403784438646763723170752936183471402627);
40
     DK(KP500000000, +0.500000000000000000000000000000000000000000000);
41
     {
42
    INT m;
43
    for (m = mb, W = W + (mb * 10); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 10, MAKE_VOLATILE_STRIDE(12, rs)) {
44
         E T1, TX, T7, TW, Tl, TR, TB, TJ, Ty, TS, TC, TO;
45
         T1 = ri[0];
46
         TX = ii[0];
47
         {
48
        E T3, T6, T4, TV, T2, T5;
49
        T3 = ri[WS(rs, 3)];
50
        T6 = ii[WS(rs, 3)];
51
        T2 = W[4];
52
        T4 = T2 * T3;
53
        TV = T2 * T6;
54
        T5 = W[5];
55
        T7 = FMA(T5, T6, T4);
56
        TW = FNMS(T5, T3, TV);
57
         }
58
         {
59
        E Ta, Td, Tb, TF, Tg, Tj, Th, TH, T9, Tf;
60
        Ta = ri[WS(rs, 2)];
61
        Td = ii[WS(rs, 2)];
62
        T9 = W[2];
63
        Tb = T9 * Ta;
64
        TF = T9 * Td;
65
        Tg = ri[WS(rs, 5)];
66
        Tj = ii[WS(rs, 5)];
67
        Tf = W[8];
68
        Th = Tf * Tg;
69
        TH = Tf * Tj;
70
        {
71
       E Te, TG, Tk, TI, Tc, Ti;
72
       Tc = W[3];
73
       Te = FMA(Tc, Td, Tb);
74
       TG = FNMS(Tc, Ta, TF);
75
       Ti = W[9];
76
       Tk = FMA(Ti, Tj, Th);
77
       TI = FNMS(Ti, Tg, TH);
78
       Tl = Te - Tk;
79
       TR = TG + TI;
80
       TB = Te + Tk;
81
       TJ = TG - TI;
82
        }
83
         }
84
         {
85
        E Tn, Tq, To, TK, Tt, Tw, Tu, TM, Tm, Ts;
86
        Tn = ri[WS(rs, 4)];
87
        Tq = ii[WS(rs, 4)];
88
        Tm = W[6];
89
        To = Tm * Tn;
90
        TK = Tm * Tq;
91
        Tt = ri[WS(rs, 1)];
92
        Tw = ii[WS(rs, 1)];
93
        Ts = W[0];
94
        Tu = Ts * Tt;
95
        TM = Ts * Tw;
96
        {
97
       E Tr, TL, Tx, TN, Tp, Tv;
98
       Tp = W[7];
99
       Tr = FMA(Tp, Tq, To);
100
       TL = FNMS(Tp, Tn, TK);
101
       Tv = W[1];
102
       Tx = FMA(Tv, Tw, Tu);
103
       TN = FNMS(Tv, Tt, TM);
104
       Ty = Tr - Tx;
105
       TS = TL + TN;
106
       TC = Tr + Tx;
107
       TO = TL - TN;
108
        }
109
         }
110
         {
111
        E TP, T8, Tz, TE;
112
        TP = TJ - TO;
113
        T8 = T1 - T7;
114
        Tz = Tl + Ty;
115
        TE = FNMS(KP500000000, Tz, T8);
116
        ri[WS(rs, 3)] = T8 + Tz;
117
        ri[WS(rs, 1)] = FMA(KP866025403, TP, TE);
118
        ri[WS(rs, 5)] = FNMS(KP866025403, TP, TE);
119
         }
120
         {
121
        E T14, T11, T12, T13;
122
        T14 = Ty - Tl;
123
        T11 = TX - TW;
124
        T12 = TJ + TO;
125
        T13 = FNMS(KP500000000, T12, T11);
126
        ii[WS(rs, 1)] = FMA(KP866025403, T14, T13);
127
        ii[WS(rs, 3)] = T12 + T11;
128
        ii[WS(rs, 5)] = FNMS(KP866025403, T14, T13);
129
         }
130
         {
131
        E TT, TA, TD, TQ;
132
        TT = TR - TS;
133
        TA = T1 + T7;
134
        TD = TB + TC;
135
        TQ = FNMS(KP500000000, TD, TA);
136
        ri[0] = TA + TD;
137
        ri[WS(rs, 4)] = FMA(KP866025403, TT, TQ);
138
        ri[WS(rs, 2)] = FNMS(KP866025403, TT, TQ);
139
         }
140
         {
141
        E T10, TU, TY, TZ;
142
        T10 = TC - TB;
143
        TU = TR + TS;
144
        TY = TW + TX;
145
        TZ = FNMS(KP500000000, TU, TY);
146
        ii[0] = TU + TY;
147
        ii[WS(rs, 4)] = FMA(KP866025403, T10, TZ);
148
        ii[WS(rs, 2)] = FNMS(KP866025403, T10, TZ);
149
         }
150
    }
151
     }
152
}
153
154
static const tw_instr twinstr[] = {
155
     { TW_FULL, 0, 6 },
156
     { TW_NEXT, 1, 0 }
157
};
158
159
static const ct_desc desc = { 6, "t1_6", twinstr, &GENUS, { 24, 10, 22, 0 }, 0, 0, 0 };
160
161
void X(codelet_t1_6) (planner *p) {
162
     X(kdft_dit_register) (p, t1_6, &desc);
163
}
164
#else
165
166
/* Generated by: ../../../genfft/gen_twiddle.native -compact -variables 4 -pipeline-latency 4 -n 6 -name t1_6 -include dft/scalar/t.h */
167
168
/*
169
 * This function contains 46 FP additions, 28 FP multiplications,
170
 * (or, 32 additions, 14 multiplications, 14 fused multiply/add),
171
 * 23 stack variables, 2 constants, and 24 memory accesses
172
 */
173
#include "dft/scalar/t.h"
174
175
static void t1_6(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
176
61
{
177
61
     DK(KP500000000, +0.500000000000000000000000000000000000000000000);
178
61
     DK(KP866025403, +0.866025403784438646763723170752936183471402627);
179
61
     {
180
61
    INT m;
181
528
    for (m = mb, W = W + (mb * 10); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 10, MAKE_VOLATILE_STRIDE(12, rs)) {
182
467
         E T7, TS, Tv, TO, Tt, TJ, Tx, TF, Ti, TI, Tw, TC;
183
467
         {
184
467
        E T1, TN, T6, TM;
185
467
        T1 = ri[0];
186
467
        TN = ii[0];
187
467
        {
188
467
       E T3, T5, T2, T4;
189
467
       T3 = ri[WS(rs, 3)];
190
467
       T5 = ii[WS(rs, 3)];
191
467
       T2 = W[4];
192
467
       T4 = W[5];
193
467
       T6 = FMA(T2, T3, T4 * T5);
194
467
       TM = FNMS(T4, T3, T2 * T5);
195
467
        }
196
467
        T7 = T1 - T6;
197
467
        TS = TN - TM;
198
467
        Tv = T1 + T6;
199
467
        TO = TM + TN;
200
467
         }
201
467
         {
202
467
        E Tn, TD, Ts, TE;
203
467
        {
204
467
       E Tk, Tm, Tj, Tl;
205
467
       Tk = ri[WS(rs, 4)];
206
467
       Tm = ii[WS(rs, 4)];
207
467
       Tj = W[6];
208
467
       Tl = W[7];
209
467
       Tn = FMA(Tj, Tk, Tl * Tm);
210
467
       TD = FNMS(Tl, Tk, Tj * Tm);
211
467
        }
212
467
        {
213
467
       E Tp, Tr, To, Tq;
214
467
       Tp = ri[WS(rs, 1)];
215
467
       Tr = ii[WS(rs, 1)];
216
467
       To = W[0];
217
467
       Tq = W[1];
218
467
       Ts = FMA(To, Tp, Tq * Tr);
219
467
       TE = FNMS(Tq, Tp, To * Tr);
220
467
        }
221
467
        Tt = Tn - Ts;
222
467
        TJ = TD + TE;
223
467
        Tx = Tn + Ts;
224
467
        TF = TD - TE;
225
467
         }
226
467
         {
227
467
        E Tc, TA, Th, TB;
228
467
        {
229
467
       E T9, Tb, T8, Ta;
230
467
       T9 = ri[WS(rs, 2)];
231
467
       Tb = ii[WS(rs, 2)];
232
467
       T8 = W[2];
233
467
       Ta = W[3];
234
467
       Tc = FMA(T8, T9, Ta * Tb);
235
467
       TA = FNMS(Ta, T9, T8 * Tb);
236
467
        }
237
467
        {
238
467
       E Te, Tg, Td, Tf;
239
467
       Te = ri[WS(rs, 5)];
240
467
       Tg = ii[WS(rs, 5)];
241
467
       Td = W[8];
242
467
       Tf = W[9];
243
467
       Th = FMA(Td, Te, Tf * Tg);
244
467
       TB = FNMS(Tf, Te, Td * Tg);
245
467
        }
246
467
        Ti = Tc - Th;
247
467
        TI = TA + TB;
248
467
        Tw = Tc + Th;
249
467
        TC = TA - TB;
250
467
         }
251
467
         {
252
467
        E TG, Tu, Tz, TR, TT, TU;
253
467
        TG = KP866025403 * (TC - TF);
254
467
        Tu = Ti + Tt;
255
467
        Tz = FNMS(KP500000000, Tu, T7);
256
467
        ri[WS(rs, 3)] = T7 + Tu;
257
467
        ri[WS(rs, 1)] = Tz + TG;
258
467
        ri[WS(rs, 5)] = Tz - TG;
259
467
        TR = KP866025403 * (Tt - Ti);
260
467
        TT = TC + TF;
261
467
        TU = FNMS(KP500000000, TT, TS);
262
467
        ii[WS(rs, 1)] = TR + TU;
263
467
        ii[WS(rs, 3)] = TT + TS;
264
467
        ii[WS(rs, 5)] = TU - TR;
265
467
         }
266
467
         {
267
467
        E TK, Ty, TH, TQ, TL, TP;
268
467
        TK = KP866025403 * (TI - TJ);
269
467
        Ty = Tw + Tx;
270
467
        TH = FNMS(KP500000000, Ty, Tv);
271
467
        ri[0] = Tv + Ty;
272
467
        ri[WS(rs, 4)] = TH + TK;
273
467
        ri[WS(rs, 2)] = TH - TK;
274
467
        TQ = KP866025403 * (Tx - Tw);
275
467
        TL = TI + TJ;
276
467
        TP = FNMS(KP500000000, TL, TO);
277
467
        ii[0] = TL + TO;
278
467
        ii[WS(rs, 4)] = TQ + TP;
279
467
        ii[WS(rs, 2)] = TP - TQ;
280
467
         }
281
467
    }
282
61
     }
283
61
}
284
285
static const tw_instr twinstr[] = {
286
     { TW_FULL, 0, 6 },
287
     { TW_NEXT, 1, 0 }
288
};
289
290
static const ct_desc desc = { 6, "t1_6", twinstr, &GENUS, { 32, 14, 14, 0 }, 0, 0, 0 };
291
292
1
void X(codelet_t1_6) (planner *p) {
293
1
     X(kdft_dit_register) (p, t1_6, &desc);
294
1
}
295
#endif