aboutsummaryrefslogtreecommitdiff
path: root/libpcsxcore/new_dynarec/fpu.c
blob: a189a534219dbed5aebf9a5b3a15995242b71591 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 *   Mupen64plus - fpu.c                                                   *
 *   Copyright (C) 2010 Ari64                                              *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#include <math.h>

extern int FCR0, FCR31;

void cvt_s_w(int *source,float *dest)
{
  *dest = *source;
}
void cvt_d_w(int *source,double *dest)
{
  *dest = *source;
}
void cvt_s_l(long long *source,float *dest)
{
  *dest = *source;
}
void cvt_d_l(long long *source,double *dest)
{
  *dest = *source;
}
void cvt_d_s(float *source,double *dest)
{
  *dest = *source;
}
void cvt_s_d(double *source,float *dest)
{
  *dest = *source;
}

void round_l_s(float *source,long long *dest)
{
  *dest = roundf(*source);
}
void round_w_s(float *source,int *dest)
{
  *dest = roundf(*source);
}
void trunc_l_s(float *source,long long *dest)
{
  *dest = truncf(*source);
}
void trunc_w_s(float *source,int *dest)
{
  *dest = truncf(*source);
}
void ceil_l_s(float *source,long long *dest)
{
  *dest = ceilf(*source);
}
void ceil_w_s(float *source,int *dest)
{
  *dest = ceilf(*source);
}
void floor_l_s(float *source,long long *dest)
{
  *dest = floorf(*source);
}
void floor_w_s(float *source,int *dest)
{
  *dest = floorf(*source);
}

void round_l_d(double *source,long long *dest)
{
  *dest = round(*source);
}
void round_w_d(double *source,int *dest)
{
  *dest = round(*source);
}
void trunc_l_d(double *source,long long *dest)
{
  *dest = trunc(*source);
}
void trunc_w_d(double *source,int *dest)
{
  *dest = trunc(*source);
}
void ceil_l_d(double *source,long long *dest)
{
  *dest = ceil(*source);
}
void ceil_w_d(double *source,int *dest)
{
  *dest = ceil(*source);
}
void floor_l_d(double *source,long long *dest)
{
  *dest = floor(*source);
}
void floor_w_d(double *source,int *dest)
{
  *dest = floor(*source);
}

void cvt_w_s(float *source,int *dest)
{
  switch(FCR31&3)
  {
    case 0: round_w_s(source,dest);return;
    case 1: trunc_w_s(source,dest);return;
    case 2: ceil_w_s(source,dest);return;
    case 3: floor_w_s(source,dest);return;
  }
}
void cvt_w_d(double *source,int *dest)
{
  switch(FCR31&3)
  {
    case 0: round_w_d(source,dest);return;
    case 1: trunc_w_d(source,dest);return;
    case 2: ceil_w_d(source,dest);return;
    case 3: floor_w_d(source,dest);return;
  }
}
void cvt_l_s(float *source,long long *dest)
{
  switch(FCR31&3)
  {
    case 0: round_l_s(source,dest);return;
    case 1: trunc_l_s(source,dest);return;
    case 2: ceil_l_s(source,dest);return;
    case 3: floor_l_s(source,dest);return;
  }
}
void cvt_l_d(double *source,long long *dest)
{
  switch(FCR31&3)
  {
    case 0: round_l_d(source,dest);return;
    case 1: trunc_l_d(source,dest);return;
    case 2: ceil_l_d(source,dest);return;
    case 3: floor_l_d(source,dest);return;
  }
}

void c_f_s()
{
  FCR31 &= ~0x800000;
}
void c_un_s(float *source,float *target)
{
  FCR31=(isnan(*source) || isnan(*target)) ? FCR31|0x800000 : FCR31&~0x800000;
}
                          
void c_eq_s(float *source,float *target)
{
  if (isnan(*source) || isnan(*target)) {FCR31&=~0x800000;return;}
  FCR31 = *source==*target ? FCR31|0x800000 : FCR31&~0x800000;
}
void c_ueq_s(float *source,float *target)
{
  if (isnan(*source) || isnan(*target)) {FCR31|=0x800000;return;}
  FCR31 = *source==*target ? FCR31|0x800000 : FCR31&~0x800000;
}

void c_olt_s(float *source,float *target)
{
  if (isnan(*source) || isnan(*target)) {FCR31&=~0x800000;return;}
  FCR31 = *source<*target ? FCR31|0x800000 : FCR31&~0x800000;
}
void c_ult_s(float *source,float *target)
{
  if (isnan(*source) || isnan(*target)) {FCR31|=0x800000;return;}
  FCR31 = *source<*target ? FCR31|0x800000 : FCR31&~0x800000;
}

void c_ole_s(float *source,float *target)
{
  if (isnan(*source) || isnan(*target)) {FCR31&=~0x800000;return;}
  FCR31 = *source<=*target ? FCR31|0x800000 : FCR31&~0x800000;
}
void c_ule_s(float *source,float *target)
{
  if (isnan(*source) || isnan(*target)) {FCR31|=0x800000;return;}
  FCR31 = *source<=*target ? FCR31|0x800000 : FCR31&~0x800000;
}

void c_sf_s(float *source,float *target)
{
  //if (isnan(*source) || isnan(*target)) // FIXME - exception
  FCR31&=~0x800000;
}
void c_ngle_s(float *source,float *target)
{
  //if (isnan(*source) || isnan(*target)) // FIXME - exception
  FCR31&=~0x800000;
}

void c_seq_s(float *source,float *target)
{
  //if (isnan(*source) || isnan(*target)) // FIXME - exception
  FCR31 = *source==*target ? FCR31|0x800000 : FCR31&~0x800000;
}
void c_ngl_s(float *source,float *target)
{
  //if (isnan(*source) || isnan(*target)) // FIXME - exception
  FCR31 = *source==*target ? FCR31|0x800000 : FCR31&~0x800000;
}

void c_lt_s(float *source,float *target)
{
  //if (isnan(*source) || isnan(*target)) // FIXME - exception
  FCR31 = *source<*target ? FCR31|0x800000 : FCR31&~0x800000;
}
void c_nge_s(float *source,float *target)
{
  //if (isnan(*source) || isnan(*target)) // FIXME - exception
  FCR31 = *source<*target ? FCR31|0x800000 : FCR31&~0x800000;
}

void c_le_s(float *source,float *target)
{
  //if (isnan(*source) || isnan(*target)) // FIXME - exception
  FCR31 = *source<=*target ? FCR31|0x800000 : FCR31&~0x800000;
}
void c_ngt_s(float *source,float *target)
{
  //if (isnan(*source) || isnan(*target)) // FIXME - exception
  FCR31 = *source<=*target ? FCR31|0x800000 : FCR31&~0x800000;
}

void c_f_d()
{
  FCR31 &= ~0x800000;
}
void c_un_d(double *source,double *target)
{
  FCR31=(isnan(*source) || isnan(*target)) ? FCR31|0x800000 : FCR31&~0x800000;
}
                          
void c_eq_d(double *source,double *target)
{
  if (isnan(*source) || isnan(*target)) {FCR31&=~0x800000;return;}
  FCR31 = *source==*target ? FCR31|0x800000 : FCR31&~0x800000;
}
void c_ueq_d(double *source,double *target)
{
  if (isnan(*source) || isnan(*target)) {FCR31|=0x800000;return;}
  FCR31 = *source==*target ? FCR31|0x800000 : FCR31&~0x800000;
}

void c_olt_d(double *source,double *target)
{
  if (isnan(*source) || isnan(*target)) {FCR31&=~0x800000;return;}
  FCR31 = *source<*target ? FCR31|0x800000 : FCR31&~0x800000;
}
void c_ult_d(double *source,double *target)
{
  if (isnan(*source) || isnan(*target)) {FCR31|=0x800000;return;}
  FCR31 = *source<*target ? FCR31|0x800000 : FCR31&~0x800000;
}

void c_ole_d(double *source,double *target)
{
  if (isnan(*source) || isnan(*target)) {FCR31&=~0x800000;return;}
  FCR31 = *source<=*target ? FCR31|0x800000 : FCR31&~0x800000;
}
void c_ule_d(double *source,double *target)
{
  if (isnan(*source) || isnan(*target)) {FCR31|=0x800000;return;}
  FCR31 = *source<=*target ? FCR31|0x800000 : FCR31&~0x800000;
}

void c_sf_d(double *source,double *target)
{
  //if (isnan(*source) || isnan(*target)) // FIXME - exception
  FCR31&=~0x800000;
}
void c_ngle_d(double *source,double *target)
{
  //if (isnan(*source) || isnan(*target)) // FIXME - exception
  FCR31&=~0x800000;
}

void c_seq_d(double *source,double *target)
{
  //if (isnan(*source) || isnan(*target)) // FIXME - exception
  FCR31 = *source==*target ? FCR31|0x800000 : FCR31&~0x800000;
}
void c_ngl_d(double *source,double *target)
{
  //if (isnan(*source) || isnan(*target)) // FIXME - exception
  FCR31 = *source==*target ? FCR31|0x800000 : FCR31&~0x800000;
}

void c_lt_d(double *source,double *target)
{
  //if (isnan(*source) || isnan(*target)) // FIXME - exception
  FCR31 = *source<*target ? FCR31|0x800000 : FCR31&~0x800000;
}
void c_nge_d(double *source,double *target)
{
  //if (isnan(*source) || isnan(*target)) // FIXME - exception
  FCR31 = *source<*target ? FCR31|0x800000 : FCR31&~0x800000;
}

void c_le_d(double *source,double *target)
{
  //if (isnan(*source) || isnan(*target)) // FIXME - exception
  FCR31 = *source<=*target ? FCR31|0x800000 : FCR31&~0x800000;
}
void c_ngt_d(double *source,double *target)
{
  //if (isnan(*source) || isnan(*target)) // FIXME - exception
  FCR31 = *source<=*target ? FCR31|0x800000 : FCR31&~0x800000;
}


void add_s(float *source1,float *source2,float *target)
{
  *target=(*source1)+(*source2);
}
void sub_s(float *source1,float *source2,float *target)
{
  *target=(*source1)-(*source2);
}
void mul_s(float *source1,float *source2,float *target)
{
  *target=(*source1)*(*source2);
}
void div_s(float *source1,float *source2,float *target)
{
  *target=(*source1)/(*source2);
}
void sqrt_s(float *source,float *target)
{
  *target=sqrtf(*source);
}
void abs_s(float *source,float *target)
{
  *target=fabsf(*source);
}
void mov_s(float *source,float *target)
{
  *target=*source;
}
void neg_s(float *source,float *target)
{
  *target=-(*source);
}
void add_d(double *source1,double *source2,double *target)
{
  *target=(*source1)+(*source2);
}
void sub_d(double *source1,double *source2,double *target)
{
  *target=(*source1)-(*source2);
}
void mul_d(double *source1,double *source2,double *target)
{
  *target=(*source1)*(*source2);
}
void div_d(double *source1,double *source2,double *target)
{
  *target=(*source1)/(*source2);
}
void sqrt_d(double *source,double *target)
{
  *target=sqrt(*source);
}
void abs_d(double *source,double *target)
{
  *target=fabs(*source);
}
void mov_d(double *source,double *target)
{
  *target=*source;
}
void neg_d(double *source,double *target)
{
  *target=-(*source);
}