]>
Commit | Line | Data |
---|---|---|
235eb015 JL |
1 | /* |
2 | * MIPS ASE DSP Instruction emulation helpers for QEMU. | |
3 | * | |
4 | * Copyright (c) 2012 Jia Liu <[email protected]> | |
fe65a1fa | 5 | * Dongxue Zhang <[email protected]> |
235eb015 JL |
6 | * This library is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2 of the License, or (at your option) any later version. | |
10 | * | |
11 | * This library is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
c684822a | 20 | #include "qemu/osdep.h" |
235eb015 | 21 | #include "cpu.h" |
2ef6175a | 22 | #include "exec/helper-proto.h" |
0ba365f4 | 23 | #include "qemu/bitops.h" |
235eb015 | 24 | |
652613ab AJ |
25 | /* As the byte ordering doesn't matter, i.e. all columns are treated |
26 | identically, these unions can be used directly. */ | |
27 | typedef union { | |
28 | uint8_t ub[4]; | |
29 | int8_t sb[4]; | |
30 | uint16_t uh[2]; | |
31 | int16_t sh[2]; | |
32 | uint32_t uw[1]; | |
33 | int32_t sw[1]; | |
34 | } DSP32Value; | |
35 | ||
36 | typedef union { | |
37 | uint8_t ub[8]; | |
38 | int8_t sb[8]; | |
39 | uint16_t uh[4]; | |
40 | int16_t sh[4]; | |
41 | uint32_t uw[2]; | |
42 | int32_t sw[2]; | |
43 | uint64_t ul[1]; | |
44 | int64_t sl[1]; | |
45 | } DSP64Value; | |
46 | ||
235eb015 JL |
47 | /*** MIPS DSP internal functions begin ***/ |
48 | #define MIPSDSP_ABS(x) (((x) >= 0) ? x : -x) | |
20c334a7 PJ |
49 | #define MIPSDSP_OVERFLOW_ADD(a, b, c, d) (~(a ^ b) & (a ^ c) & d) |
50 | #define MIPSDSP_OVERFLOW_SUB(a, b, c, d) ((a ^ b) & (a ^ c) & d) | |
235eb015 JL |
51 | |
52 | static inline void set_DSPControl_overflow_flag(uint32_t flag, int position, | |
53 | CPUMIPSState *env) | |
54 | { | |
55 | env->active_tc.DSPControl |= (target_ulong)flag << position; | |
56 | } | |
57 | ||
118d1e4f | 58 | static inline void set_DSPControl_carryflag(bool flag, CPUMIPSState *env) |
235eb015 | 59 | { |
118d1e4f PJ |
60 | env->active_tc.DSPControl &= ~(1 << 13); |
61 | env->active_tc.DSPControl |= flag << 13; | |
235eb015 JL |
62 | } |
63 | ||
64 | static inline uint32_t get_DSPControl_carryflag(CPUMIPSState *env) | |
65 | { | |
66 | return (env->active_tc.DSPControl >> 13) & 0x01; | |
67 | } | |
68 | ||
69 | static inline void set_DSPControl_24(uint32_t flag, int len, CPUMIPSState *env) | |
70 | { | |
71 | uint32_t filter; | |
72 | ||
73 | filter = ((0x01 << len) - 1) << 24; | |
74 | filter = ~filter; | |
75 | ||
76 | env->active_tc.DSPControl &= filter; | |
77 | env->active_tc.DSPControl |= (target_ulong)flag << 24; | |
78 | } | |
79 | ||
235eb015 JL |
80 | static inline void set_DSPControl_pos(uint32_t pos, CPUMIPSState *env) |
81 | { | |
82 | target_ulong dspc; | |
83 | ||
84 | dspc = env->active_tc.DSPControl; | |
85 | #ifndef TARGET_MIPS64 | |
86 | dspc = dspc & 0xFFFFFFC0; | |
0ba365f4 | 87 | dspc |= (pos & 0x3F); |
235eb015 JL |
88 | #else |
89 | dspc = dspc & 0xFFFFFF80; | |
0ba365f4 | 90 | dspc |= (pos & 0x7F); |
235eb015 JL |
91 | #endif |
92 | env->active_tc.DSPControl = dspc; | |
93 | } | |
94 | ||
95 | static inline uint32_t get_DSPControl_pos(CPUMIPSState *env) | |
96 | { | |
97 | target_ulong dspc; | |
98 | uint32_t pos; | |
99 | ||
100 | dspc = env->active_tc.DSPControl; | |
101 | ||
102 | #ifndef TARGET_MIPS64 | |
103 | pos = dspc & 0x3F; | |
104 | #else | |
105 | pos = dspc & 0x7F; | |
106 | #endif | |
107 | ||
108 | return pos; | |
109 | } | |
110 | ||
111 | static inline void set_DSPControl_efi(uint32_t flag, CPUMIPSState *env) | |
112 | { | |
113 | env->active_tc.DSPControl &= 0xFFFFBFFF; | |
114 | env->active_tc.DSPControl |= (target_ulong)flag << 14; | |
115 | } | |
116 | ||
117 | #define DO_MIPS_SAT_ABS(size) \ | |
118 | static inline int##size##_t mipsdsp_sat_abs##size(int##size##_t a, \ | |
119 | CPUMIPSState *env) \ | |
120 | { \ | |
121 | if (a == INT##size##_MIN) { \ | |
122 | set_DSPControl_overflow_flag(1, 20, env); \ | |
123 | return INT##size##_MAX; \ | |
124 | } else { \ | |
125 | return MIPSDSP_ABS(a); \ | |
126 | } \ | |
127 | } | |
128 | DO_MIPS_SAT_ABS(8) | |
129 | DO_MIPS_SAT_ABS(16) | |
130 | DO_MIPS_SAT_ABS(32) | |
131 | #undef DO_MIPS_SAT_ABS | |
132 | ||
133 | /* get sum value */ | |
134 | static inline int16_t mipsdsp_add_i16(int16_t a, int16_t b, CPUMIPSState *env) | |
135 | { | |
136 | int16_t tempI; | |
137 | ||
138 | tempI = a + b; | |
139 | ||
20c334a7 | 140 | if (MIPSDSP_OVERFLOW_ADD(a, b, tempI, 0x8000)) { |
235eb015 JL |
141 | set_DSPControl_overflow_flag(1, 20, env); |
142 | } | |
143 | ||
144 | return tempI; | |
145 | } | |
146 | ||
147 | static inline int16_t mipsdsp_sat_add_i16(int16_t a, int16_t b, | |
148 | CPUMIPSState *env) | |
149 | { | |
150 | int16_t tempS; | |
151 | ||
152 | tempS = a + b; | |
153 | ||
20c334a7 | 154 | if (MIPSDSP_OVERFLOW_ADD(a, b, tempS, 0x8000)) { |
235eb015 JL |
155 | if (a > 0) { |
156 | tempS = 0x7FFF; | |
157 | } else { | |
158 | tempS = 0x8000; | |
159 | } | |
160 | set_DSPControl_overflow_flag(1, 20, env); | |
161 | } | |
162 | ||
163 | return tempS; | |
164 | } | |
165 | ||
166 | static inline int32_t mipsdsp_sat_add_i32(int32_t a, int32_t b, | |
167 | CPUMIPSState *env) | |
168 | { | |
169 | int32_t tempI; | |
170 | ||
171 | tempI = a + b; | |
172 | ||
20c334a7 | 173 | if (MIPSDSP_OVERFLOW_ADD(a, b, tempI, 0x80000000)) { |
235eb015 JL |
174 | if (a > 0) { |
175 | tempI = 0x7FFFFFFF; | |
176 | } else { | |
177 | tempI = 0x80000000; | |
178 | } | |
179 | set_DSPControl_overflow_flag(1, 20, env); | |
180 | } | |
181 | ||
182 | return tempI; | |
183 | } | |
184 | ||
185 | static inline uint8_t mipsdsp_add_u8(uint8_t a, uint8_t b, CPUMIPSState *env) | |
186 | { | |
187 | uint16_t temp; | |
188 | ||
189 | temp = (uint16_t)a + (uint16_t)b; | |
190 | ||
191 | if (temp & 0x0100) { | |
192 | set_DSPControl_overflow_flag(1, 20, env); | |
193 | } | |
194 | ||
195 | return temp & 0xFF; | |
196 | } | |
197 | ||
198 | static inline uint16_t mipsdsp_add_u16(uint16_t a, uint16_t b, | |
199 | CPUMIPSState *env) | |
200 | { | |
201 | uint32_t temp; | |
202 | ||
203 | temp = (uint32_t)a + (uint32_t)b; | |
204 | ||
205 | if (temp & 0x00010000) { | |
206 | set_DSPControl_overflow_flag(1, 20, env); | |
207 | } | |
208 | ||
209 | return temp & 0xFFFF; | |
210 | } | |
211 | ||
212 | static inline uint8_t mipsdsp_sat_add_u8(uint8_t a, uint8_t b, | |
213 | CPUMIPSState *env) | |
214 | { | |
215 | uint8_t result; | |
216 | uint16_t temp; | |
217 | ||
218 | temp = (uint16_t)a + (uint16_t)b; | |
219 | result = temp & 0xFF; | |
220 | ||
221 | if (0x0100 & temp) { | |
222 | result = 0xFF; | |
223 | set_DSPControl_overflow_flag(1, 20, env); | |
224 | } | |
225 | ||
226 | return result; | |
227 | } | |
228 | ||
229 | static inline uint16_t mipsdsp_sat_add_u16(uint16_t a, uint16_t b, | |
230 | CPUMIPSState *env) | |
231 | { | |
232 | uint16_t result; | |
233 | uint32_t temp; | |
234 | ||
235 | temp = (uint32_t)a + (uint32_t)b; | |
236 | result = temp & 0xFFFF; | |
237 | ||
238 | if (0x00010000 & temp) { | |
239 | result = 0xFFFF; | |
240 | set_DSPControl_overflow_flag(1, 20, env); | |
241 | } | |
242 | ||
243 | return result; | |
244 | } | |
245 | ||
246 | static inline int32_t mipsdsp_sat32_acc_q31(int32_t acc, int32_t a, | |
247 | CPUMIPSState *env) | |
248 | { | |
249 | int64_t temp; | |
250 | int32_t temp32, temp31, result; | |
251 | int64_t temp_sum; | |
252 | ||
253 | #ifndef TARGET_MIPS64 | |
254 | temp = ((uint64_t)env->active_tc.HI[acc] << 32) | | |
255 | (uint64_t)env->active_tc.LO[acc]; | |
256 | #else | |
257 | temp = (uint64_t)env->active_tc.LO[acc]; | |
258 | #endif | |
259 | ||
260 | temp_sum = (int64_t)a + temp; | |
261 | ||
262 | temp32 = (temp_sum >> 32) & 0x01; | |
263 | temp31 = (temp_sum >> 31) & 0x01; | |
264 | result = temp_sum & 0xFFFFFFFF; | |
265 | ||
235eb015 JL |
266 | if (temp32 != temp31) { |
267 | if (temp32 == 0) { | |
268 | result = 0x7FFFFFFF; | |
269 | } else { | |
270 | result = 0x80000000; | |
271 | } | |
272 | set_DSPControl_overflow_flag(1, 16 + acc, env); | |
273 | } | |
274 | ||
275 | return result; | |
276 | } | |
277 | ||
31efeccc | 278 | #ifdef TARGET_MIPS64 |
235eb015 JL |
279 | /* a[0] is LO, a[1] is HI. */ |
280 | static inline void mipsdsp_sat64_acc_add_q63(int64_t *ret, | |
281 | int32_t ac, | |
282 | int64_t *a, | |
283 | CPUMIPSState *env) | |
284 | { | |
285 | bool temp64; | |
286 | ||
287 | ret[0] = env->active_tc.LO[ac] + a[0]; | |
288 | ret[1] = env->active_tc.HI[ac] + a[1]; | |
289 | ||
290 | if (((uint64_t)ret[0] < (uint64_t)env->active_tc.LO[ac]) && | |
291 | ((uint64_t)ret[0] < (uint64_t)a[0])) { | |
292 | ret[1] += 1; | |
293 | } | |
294 | temp64 = ret[1] & 1; | |
295 | if (temp64 != ((ret[0] >> 63) & 0x01)) { | |
296 | if (temp64) { | |
297 | ret[0] = (0x01ull << 63); | |
298 | ret[1] = ~0ull; | |
299 | } else { | |
300 | ret[0] = (0x01ull << 63) - 1; | |
301 | ret[1] = 0x00; | |
302 | } | |
303 | set_DSPControl_overflow_flag(1, 16 + ac, env); | |
304 | } | |
305 | } | |
306 | ||
307 | static inline void mipsdsp_sat64_acc_sub_q63(int64_t *ret, | |
308 | int32_t ac, | |
309 | int64_t *a, | |
310 | CPUMIPSState *env) | |
311 | { | |
312 | bool temp64; | |
313 | ||
314 | ret[0] = env->active_tc.LO[ac] - a[0]; | |
315 | ret[1] = env->active_tc.HI[ac] - a[1]; | |
316 | ||
317 | if ((uint64_t)ret[0] > (uint64_t)env->active_tc.LO[ac]) { | |
318 | ret[1] -= 1; | |
319 | } | |
320 | temp64 = ret[1] & 1; | |
321 | if (temp64 != ((ret[0] >> 63) & 0x01)) { | |
322 | if (temp64) { | |
323 | ret[0] = (0x01ull << 63); | |
324 | ret[1] = ~0ull; | |
325 | } else { | |
326 | ret[0] = (0x01ull << 63) - 1; | |
327 | ret[1] = 0x00; | |
328 | } | |
329 | set_DSPControl_overflow_flag(1, 16 + ac, env); | |
330 | } | |
331 | } | |
31efeccc | 332 | #endif |
235eb015 JL |
333 | |
334 | static inline int32_t mipsdsp_mul_i16_i16(int16_t a, int16_t b, | |
335 | CPUMIPSState *env) | |
336 | { | |
337 | int32_t temp; | |
338 | ||
339 | temp = (int32_t)a * (int32_t)b; | |
340 | ||
341 | if ((temp > (int)0x7FFF) || (temp < (int)0xFFFF8000)) { | |
342 | set_DSPControl_overflow_flag(1, 21, env); | |
343 | } | |
344 | temp &= 0x0000FFFF; | |
345 | ||
346 | return temp; | |
347 | } | |
348 | ||
349 | static inline int32_t mipsdsp_mul_u16_u16(int32_t a, int32_t b) | |
350 | { | |
351 | return a * b; | |
352 | } | |
353 | ||
31efeccc | 354 | #ifdef TARGET_MIPS64 |
235eb015 JL |
355 | static inline int32_t mipsdsp_mul_i32_i32(int32_t a, int32_t b) |
356 | { | |
357 | return a * b; | |
358 | } | |
31efeccc | 359 | #endif |
235eb015 JL |
360 | |
361 | static inline int32_t mipsdsp_sat16_mul_i16_i16(int16_t a, int16_t b, | |
362 | CPUMIPSState *env) | |
363 | { | |
364 | int32_t temp; | |
365 | ||
366 | temp = (int32_t)a * (int32_t)b; | |
367 | ||
368 | if (temp > (int)0x7FFF) { | |
369 | temp = 0x00007FFF; | |
370 | set_DSPControl_overflow_flag(1, 21, env); | |
371 | } else if (temp < (int)0xffff8000) { | |
372 | temp = 0xFFFF8000; | |
373 | set_DSPControl_overflow_flag(1, 21, env); | |
374 | } | |
375 | temp &= 0x0000FFFF; | |
376 | ||
377 | return temp; | |
378 | } | |
379 | ||
380 | static inline int32_t mipsdsp_mul_q15_q15_overflowflag21(uint16_t a, uint16_t b, | |
381 | CPUMIPSState *env) | |
382 | { | |
383 | int32_t temp; | |
384 | ||
385 | if ((a == 0x8000) && (b == 0x8000)) { | |
386 | temp = 0x7FFFFFFF; | |
387 | set_DSPControl_overflow_flag(1, 21, env); | |
388 | } else { | |
4877866e | 389 | temp = ((int16_t)a * (int16_t)b) << 1; |
235eb015 JL |
390 | } |
391 | ||
392 | return temp; | |
393 | } | |
394 | ||
395 | /* right shift */ | |
396 | static inline uint8_t mipsdsp_rshift_u8(uint8_t a, target_ulong mov) | |
397 | { | |
398 | return a >> mov; | |
399 | } | |
400 | ||
401 | static inline uint16_t mipsdsp_rshift_u16(uint16_t a, target_ulong mov) | |
402 | { | |
403 | return a >> mov; | |
404 | } | |
405 | ||
406 | static inline int8_t mipsdsp_rashift8(int8_t a, target_ulong mov) | |
407 | { | |
408 | return a >> mov; | |
409 | } | |
410 | ||
411 | static inline int16_t mipsdsp_rashift16(int16_t a, target_ulong mov) | |
412 | { | |
413 | return a >> mov; | |
414 | } | |
415 | ||
31efeccc | 416 | #ifdef TARGET_MIPS64 |
235eb015 JL |
417 | static inline int32_t mipsdsp_rashift32(int32_t a, target_ulong mov) |
418 | { | |
419 | return a >> mov; | |
420 | } | |
31efeccc | 421 | #endif |
235eb015 JL |
422 | |
423 | static inline int16_t mipsdsp_rshift1_add_q16(int16_t a, int16_t b) | |
424 | { | |
425 | int32_t temp; | |
426 | ||
427 | temp = (int32_t)a + (int32_t)b; | |
428 | ||
429 | return (temp >> 1) & 0xFFFF; | |
430 | } | |
431 | ||
432 | /* round right shift */ | |
433 | static inline int16_t mipsdsp_rrshift1_add_q16(int16_t a, int16_t b) | |
434 | { | |
435 | int32_t temp; | |
436 | ||
437 | temp = (int32_t)a + (int32_t)b; | |
438 | temp += 1; | |
439 | ||
440 | return (temp >> 1) & 0xFFFF; | |
441 | } | |
442 | ||
443 | static inline int32_t mipsdsp_rshift1_add_q32(int32_t a, int32_t b) | |
444 | { | |
445 | int64_t temp; | |
446 | ||
447 | temp = (int64_t)a + (int64_t)b; | |
448 | ||
449 | return (temp >> 1) & 0xFFFFFFFF; | |
450 | } | |
451 | ||
452 | static inline int32_t mipsdsp_rrshift1_add_q32(int32_t a, int32_t b) | |
453 | { | |
454 | int64_t temp; | |
455 | ||
456 | temp = (int64_t)a + (int64_t)b; | |
457 | temp += 1; | |
458 | ||
459 | return (temp >> 1) & 0xFFFFFFFF; | |
460 | } | |
461 | ||
462 | static inline uint8_t mipsdsp_rshift1_add_u8(uint8_t a, uint8_t b) | |
463 | { | |
464 | uint16_t temp; | |
465 | ||
466 | temp = (uint16_t)a + (uint16_t)b; | |
467 | ||
468 | return (temp >> 1) & 0x00FF; | |
469 | } | |
470 | ||
471 | static inline uint8_t mipsdsp_rrshift1_add_u8(uint8_t a, uint8_t b) | |
472 | { | |
473 | uint16_t temp; | |
474 | ||
475 | temp = (uint16_t)a + (uint16_t)b + 1; | |
476 | ||
477 | return (temp >> 1) & 0x00FF; | |
478 | } | |
479 | ||
31efeccc | 480 | #ifdef TARGET_MIPS64 |
235eb015 JL |
481 | static inline uint8_t mipsdsp_rshift1_sub_u8(uint8_t a, uint8_t b) |
482 | { | |
483 | uint16_t temp; | |
484 | ||
485 | temp = (uint16_t)a - (uint16_t)b; | |
486 | ||
487 | return (temp >> 1) & 0x00FF; | |
488 | } | |
489 | ||
490 | static inline uint8_t mipsdsp_rrshift1_sub_u8(uint8_t a, uint8_t b) | |
491 | { | |
492 | uint16_t temp; | |
493 | ||
494 | temp = (uint16_t)a - (uint16_t)b + 1; | |
495 | ||
496 | return (temp >> 1) & 0x00FF; | |
497 | } | |
31efeccc | 498 | #endif |
235eb015 | 499 | |
235eb015 JL |
500 | /* 128 bits long. p[0] is LO, p[1] is HI. */ |
501 | static inline void mipsdsp_rndrashift_short_acc(int64_t *p, | |
502 | int32_t ac, | |
503 | int32_t shift, | |
504 | CPUMIPSState *env) | |
505 | { | |
506 | int64_t acc; | |
507 | ||
508 | acc = ((int64_t)env->active_tc.HI[ac] << 32) | | |
509 | ((int64_t)env->active_tc.LO[ac] & 0xFFFFFFFF); | |
8b758d05 PJ |
510 | p[0] = (shift == 0) ? (acc << 1) : (acc >> (shift - 1)); |
511 | p[1] = (acc >> 63) & 0x01; | |
235eb015 JL |
512 | } |
513 | ||
31efeccc | 514 | #ifdef TARGET_MIPS64 |
235eb015 JL |
515 | /* 128 bits long. p[0] is LO, p[1] is HI */ |
516 | static inline void mipsdsp_rashift_acc(uint64_t *p, | |
517 | uint32_t ac, | |
518 | uint32_t shift, | |
519 | CPUMIPSState *env) | |
520 | { | |
521 | uint64_t tempB, tempA; | |
522 | ||
523 | tempB = env->active_tc.HI[ac]; | |
524 | tempA = env->active_tc.LO[ac]; | |
525 | shift = shift & 0x1F; | |
526 | ||
527 | if (shift == 0) { | |
528 | p[1] = tempB; | |
529 | p[0] = tempA; | |
530 | } else { | |
531 | p[0] = (tempB << (64 - shift)) | (tempA >> shift); | |
532 | p[1] = (int64_t)tempB >> shift; | |
533 | } | |
534 | } | |
535 | ||
536 | /* 128 bits long. p[0] is LO, p[1] is HI , p[2] is sign of HI.*/ | |
537 | static inline void mipsdsp_rndrashift_acc(uint64_t *p, | |
538 | uint32_t ac, | |
539 | uint32_t shift, | |
540 | CPUMIPSState *env) | |
541 | { | |
542 | int64_t tempB, tempA; | |
543 | ||
544 | tempB = env->active_tc.HI[ac]; | |
545 | tempA = env->active_tc.LO[ac]; | |
546 | shift = shift & 0x3F; | |
547 | ||
548 | if (shift == 0) { | |
549 | p[2] = tempB >> 63; | |
550 | p[1] = (tempB << 1) | (tempA >> 63); | |
551 | p[0] = tempA << 1; | |
552 | } else { | |
553 | p[0] = (tempB << (65 - shift)) | (tempA >> (shift - 1)); | |
554 | p[1] = (int64_t)tempB >> (shift - 1); | |
555 | if (tempB >= 0) { | |
556 | p[2] = 0x0; | |
557 | } else { | |
558 | p[2] = ~0ull; | |
559 | } | |
560 | } | |
561 | } | |
31efeccc | 562 | #endif |
235eb015 JL |
563 | |
564 | static inline int32_t mipsdsp_mul_q15_q15(int32_t ac, uint16_t a, uint16_t b, | |
565 | CPUMIPSState *env) | |
566 | { | |
567 | int32_t temp; | |
568 | ||
569 | if ((a == 0x8000) && (b == 0x8000)) { | |
570 | temp = 0x7FFFFFFF; | |
571 | set_DSPControl_overflow_flag(1, 16 + ac, env); | |
572 | } else { | |
b1ca31d7 | 573 | temp = ((int16_t)a * (int16_t)b) << 1; |
235eb015 JL |
574 | } |
575 | ||
576 | return temp; | |
577 | } | |
578 | ||
579 | static inline int64_t mipsdsp_mul_q31_q31(int32_t ac, uint32_t a, uint32_t b, | |
580 | CPUMIPSState *env) | |
581 | { | |
582 | uint64_t temp; | |
583 | ||
584 | if ((a == 0x80000000) && (b == 0x80000000)) { | |
585 | temp = (0x01ull << 63) - 1; | |
586 | set_DSPControl_overflow_flag(1, 16 + ac, env); | |
587 | } else { | |
b6a9f468 | 588 | temp = ((int64_t)(int32_t)a * (int32_t)b) << 1; |
235eb015 JL |
589 | } |
590 | ||
591 | return temp; | |
592 | } | |
593 | ||
594 | static inline uint16_t mipsdsp_mul_u8_u8(uint8_t a, uint8_t b) | |
595 | { | |
596 | return (uint16_t)a * (uint16_t)b; | |
597 | } | |
598 | ||
599 | static inline uint16_t mipsdsp_mul_u8_u16(uint8_t a, uint16_t b, | |
600 | CPUMIPSState *env) | |
601 | { | |
602 | uint32_t tempI; | |
603 | ||
604 | tempI = (uint32_t)a * (uint32_t)b; | |
605 | if (tempI > 0x0000FFFF) { | |
606 | tempI = 0x0000FFFF; | |
607 | set_DSPControl_overflow_flag(1, 21, env); | |
608 | } | |
609 | ||
610 | return tempI & 0x0000FFFF; | |
611 | } | |
612 | ||
31efeccc | 613 | #ifdef TARGET_MIPS64 |
235eb015 JL |
614 | static inline uint64_t mipsdsp_mul_u32_u32(uint32_t a, uint32_t b) |
615 | { | |
616 | return (uint64_t)a * (uint64_t)b; | |
617 | } | |
31efeccc | 618 | #endif |
235eb015 JL |
619 | |
620 | static inline int16_t mipsdsp_rndq15_mul_q15_q15(uint16_t a, uint16_t b, | |
621 | CPUMIPSState *env) | |
622 | { | |
623 | uint32_t temp; | |
624 | ||
625 | if ((a == 0x8000) && (b == 0x8000)) { | |
626 | temp = 0x7FFF0000; | |
627 | set_DSPControl_overflow_flag(1, 21, env); | |
628 | } else { | |
4877866e | 629 | temp = ((int16_t)a * (int16_t)b) << 1; |
235eb015 JL |
630 | temp = temp + 0x00008000; |
631 | } | |
632 | ||
633 | return (temp & 0xFFFF0000) >> 16; | |
634 | } | |
635 | ||
636 | static inline int32_t mipsdsp_sat16_mul_q15_q15(uint16_t a, uint16_t b, | |
637 | CPUMIPSState *env) | |
638 | { | |
639 | int32_t temp; | |
640 | ||
641 | if ((a == 0x8000) && (b == 0x8000)) { | |
642 | temp = 0x7FFF0000; | |
643 | set_DSPControl_overflow_flag(1, 21, env); | |
644 | } else { | |
9c19eb1e | 645 | temp = (int16_t)a * (int16_t)b; |
235eb015 JL |
646 | temp = temp << 1; |
647 | } | |
648 | ||
649 | return (temp >> 16) & 0x0000FFFF; | |
650 | } | |
651 | ||
652 | static inline uint16_t mipsdsp_trunc16_sat16_round(int32_t a, | |
653 | CPUMIPSState *env) | |
654 | { | |
d36c231f | 655 | uint16_t temp; |
235eb015 | 656 | |
235eb015 | 657 | |
d36c231f PJ |
658 | /* |
659 | * The value 0x00008000 will be added to the input Q31 value, and the code | |
660 | * needs to check if the addition causes an overflow. Since a positive value | |
661 | * is added, overflow can happen in one direction only. | |
662 | */ | |
663 | if (a > 0x7FFF7FFF) { | |
664 | temp = 0x7FFF; | |
235eb015 | 665 | set_DSPControl_overflow_flag(1, 22, env); |
d36c231f PJ |
666 | } else { |
667 | temp = ((a + 0x8000) >> 16) & 0xFFFF; | |
235eb015 JL |
668 | } |
669 | ||
d36c231f | 670 | return temp; |
235eb015 JL |
671 | } |
672 | ||
673 | static inline uint8_t mipsdsp_sat8_reduce_precision(uint16_t a, | |
674 | CPUMIPSState *env) | |
675 | { | |
676 | uint16_t mag; | |
677 | uint32_t sign; | |
678 | ||
679 | sign = (a >> 15) & 0x01; | |
680 | mag = a & 0x7FFF; | |
681 | ||
682 | if (sign == 0) { | |
683 | if (mag > 0x7F80) { | |
684 | set_DSPControl_overflow_flag(1, 22, env); | |
685 | return 0xFF; | |
686 | } else { | |
687 | return (mag >> 7) & 0xFFFF; | |
688 | } | |
689 | } else { | |
690 | set_DSPControl_overflow_flag(1, 22, env); | |
691 | return 0x00; | |
692 | } | |
693 | } | |
694 | ||
695 | static inline uint8_t mipsdsp_lshift8(uint8_t a, uint8_t s, CPUMIPSState *env) | |
696 | { | |
235eb015 JL |
697 | uint8_t discard; |
698 | ||
29851ee7 PJ |
699 | if (s != 0) { |
700 | discard = a >> (8 - s); | |
235eb015 JL |
701 | |
702 | if (discard != 0x00) { | |
703 | set_DSPControl_overflow_flag(1, 22, env); | |
704 | } | |
235eb015 | 705 | } |
29851ee7 | 706 | return a << s; |
235eb015 JL |
707 | } |
708 | ||
709 | static inline uint16_t mipsdsp_lshift16(uint16_t a, uint8_t s, | |
710 | CPUMIPSState *env) | |
711 | { | |
235eb015 JL |
712 | uint16_t discard; |
713 | ||
29851ee7 PJ |
714 | if (s != 0) { |
715 | discard = (int16_t)a >> (15 - s); | |
235eb015 JL |
716 | |
717 | if ((discard != 0x0000) && (discard != 0xFFFF)) { | |
718 | set_DSPControl_overflow_flag(1, 22, env); | |
719 | } | |
235eb015 | 720 | } |
29851ee7 | 721 | return a << s; |
235eb015 JL |
722 | } |
723 | ||
31efeccc | 724 | #ifdef TARGET_MIPS64 |
235eb015 JL |
725 | static inline uint32_t mipsdsp_lshift32(uint32_t a, uint8_t s, |
726 | CPUMIPSState *env) | |
727 | { | |
728 | uint32_t discard; | |
729 | ||
730 | if (s == 0) { | |
731 | return a; | |
732 | } else { | |
733 | discard = (int32_t)a >> (31 - (s - 1)); | |
734 | ||
735 | if ((discard != 0x00000000) && (discard != 0xFFFFFFFF)) { | |
736 | set_DSPControl_overflow_flag(1, 22, env); | |
737 | } | |
738 | return a << s; | |
739 | } | |
740 | } | |
31efeccc | 741 | #endif |
235eb015 JL |
742 | |
743 | static inline uint16_t mipsdsp_sat16_lshift(uint16_t a, uint8_t s, | |
744 | CPUMIPSState *env) | |
745 | { | |
746 | uint8_t sign; | |
747 | uint16_t discard; | |
748 | ||
749 | if (s == 0) { | |
750 | return a; | |
751 | } else { | |
752 | sign = (a >> 15) & 0x01; | |
753 | if (sign != 0) { | |
754 | discard = (((0x01 << (16 - s)) - 1) << s) | | |
755 | ((a >> (14 - (s - 1))) & ((0x01 << s) - 1)); | |
756 | } else { | |
757 | discard = a >> (14 - (s - 1)); | |
758 | } | |
759 | ||
760 | if ((discard != 0x0000) && (discard != 0xFFFF)) { | |
761 | set_DSPControl_overflow_flag(1, 22, env); | |
762 | return (sign == 0) ? 0x7FFF : 0x8000; | |
763 | } else { | |
764 | return a << s; | |
765 | } | |
766 | } | |
767 | } | |
768 | ||
769 | static inline uint32_t mipsdsp_sat32_lshift(uint32_t a, uint8_t s, | |
770 | CPUMIPSState *env) | |
771 | { | |
772 | uint8_t sign; | |
773 | uint32_t discard; | |
774 | ||
775 | if (s == 0) { | |
776 | return a; | |
777 | } else { | |
778 | sign = (a >> 31) & 0x01; | |
779 | if (sign != 0) { | |
780 | discard = (((0x01 << (32 - s)) - 1) << s) | | |
781 | ((a >> (30 - (s - 1))) & ((0x01 << s) - 1)); | |
782 | } else { | |
783 | discard = a >> (30 - (s - 1)); | |
784 | } | |
785 | ||
786 | if ((discard != 0x00000000) && (discard != 0xFFFFFFFF)) { | |
787 | set_DSPControl_overflow_flag(1, 22, env); | |
788 | return (sign == 0) ? 0x7FFFFFFF : 0x80000000; | |
789 | } else { | |
790 | return a << s; | |
791 | } | |
792 | } | |
793 | } | |
794 | ||
795 | static inline uint8_t mipsdsp_rnd8_rashift(uint8_t a, uint8_t s) | |
796 | { | |
797 | uint32_t temp; | |
798 | ||
799 | if (s == 0) { | |
800 | temp = (uint32_t)a << 1; | |
801 | } else { | |
802 | temp = (int32_t)(int8_t)a >> (s - 1); | |
803 | } | |
804 | ||
805 | return (temp + 1) >> 1; | |
806 | } | |
807 | ||
808 | static inline uint16_t mipsdsp_rnd16_rashift(uint16_t a, uint8_t s) | |
809 | { | |
810 | uint32_t temp; | |
811 | ||
812 | if (s == 0) { | |
813 | temp = (uint32_t)a << 1; | |
814 | } else { | |
815 | temp = (int32_t)(int16_t)a >> (s - 1); | |
816 | } | |
817 | ||
818 | return (temp + 1) >> 1; | |
819 | } | |
820 | ||
821 | static inline uint32_t mipsdsp_rnd32_rashift(uint32_t a, uint8_t s) | |
822 | { | |
823 | int64_t temp; | |
824 | ||
825 | if (s == 0) { | |
826 | temp = (uint64_t)a << 1; | |
827 | } else { | |
828 | temp = (int64_t)(int32_t)a >> (s - 1); | |
829 | } | |
830 | temp += 1; | |
831 | ||
832 | return (temp >> 1) & 0xFFFFFFFFull; | |
833 | } | |
834 | ||
835 | static inline uint16_t mipsdsp_sub_i16(int16_t a, int16_t b, CPUMIPSState *env) | |
836 | { | |
837 | int16_t temp; | |
838 | ||
839 | temp = a - b; | |
20c334a7 | 840 | if (MIPSDSP_OVERFLOW_SUB(a, b, temp, 0x8000)) { |
235eb015 JL |
841 | set_DSPControl_overflow_flag(1, 20, env); |
842 | } | |
843 | ||
844 | return temp; | |
845 | } | |
846 | ||
847 | static inline uint16_t mipsdsp_sat16_sub(int16_t a, int16_t b, | |
848 | CPUMIPSState *env) | |
849 | { | |
850 | int16_t temp; | |
851 | ||
852 | temp = a - b; | |
20c334a7 PJ |
853 | if (MIPSDSP_OVERFLOW_SUB(a, b, temp, 0x8000)) { |
854 | if (a >= 0) { | |
235eb015 JL |
855 | temp = 0x7FFF; |
856 | } else { | |
857 | temp = 0x8000; | |
858 | } | |
859 | set_DSPControl_overflow_flag(1, 20, env); | |
860 | } | |
861 | ||
862 | return temp; | |
863 | } | |
864 | ||
865 | static inline uint32_t mipsdsp_sat32_sub(int32_t a, int32_t b, | |
866 | CPUMIPSState *env) | |
867 | { | |
868 | int32_t temp; | |
869 | ||
870 | temp = a - b; | |
20c334a7 PJ |
871 | if (MIPSDSP_OVERFLOW_SUB(a, b, temp, 0x80000000)) { |
872 | if (a >= 0) { | |
235eb015 JL |
873 | temp = 0x7FFFFFFF; |
874 | } else { | |
875 | temp = 0x80000000; | |
876 | } | |
877 | set_DSPControl_overflow_flag(1, 20, env); | |
878 | } | |
879 | ||
880 | return temp & 0xFFFFFFFFull; | |
881 | } | |
882 | ||
883 | static inline uint16_t mipsdsp_rshift1_sub_q16(int16_t a, int16_t b) | |
884 | { | |
885 | int32_t temp; | |
886 | ||
887 | temp = (int32_t)a - (int32_t)b; | |
888 | ||
889 | return (temp >> 1) & 0x0000FFFF; | |
890 | } | |
891 | ||
892 | static inline uint16_t mipsdsp_rrshift1_sub_q16(int16_t a, int16_t b) | |
893 | { | |
894 | int32_t temp; | |
895 | ||
896 | temp = (int32_t)a - (int32_t)b; | |
897 | temp += 1; | |
898 | ||
899 | return (temp >> 1) & 0x0000FFFF; | |
900 | } | |
901 | ||
902 | static inline uint32_t mipsdsp_rshift1_sub_q32(int32_t a, int32_t b) | |
903 | { | |
904 | int64_t temp; | |
905 | ||
906 | temp = (int64_t)a - (int64_t)b; | |
907 | ||
908 | return (temp >> 1) & 0xFFFFFFFFull; | |
909 | } | |
910 | ||
911 | static inline uint32_t mipsdsp_rrshift1_sub_q32(int32_t a, int32_t b) | |
912 | { | |
913 | int64_t temp; | |
914 | ||
915 | temp = (int64_t)a - (int64_t)b; | |
916 | temp += 1; | |
917 | ||
918 | return (temp >> 1) & 0xFFFFFFFFull; | |
919 | } | |
920 | ||
921 | static inline uint16_t mipsdsp_sub_u16_u16(uint16_t a, uint16_t b, | |
922 | CPUMIPSState *env) | |
923 | { | |
924 | uint8_t temp16; | |
925 | uint32_t temp; | |
926 | ||
927 | temp = (uint32_t)a - (uint32_t)b; | |
928 | temp16 = (temp >> 16) & 0x01; | |
929 | if (temp16 == 1) { | |
930 | set_DSPControl_overflow_flag(1, 20, env); | |
931 | } | |
932 | return temp & 0x0000FFFF; | |
933 | } | |
934 | ||
935 | static inline uint16_t mipsdsp_satu16_sub_u16_u16(uint16_t a, uint16_t b, | |
936 | CPUMIPSState *env) | |
937 | { | |
938 | uint8_t temp16; | |
939 | uint32_t temp; | |
940 | ||
941 | temp = (uint32_t)a - (uint32_t)b; | |
942 | temp16 = (temp >> 16) & 0x01; | |
943 | ||
944 | if (temp16 == 1) { | |
945 | temp = 0x0000; | |
946 | set_DSPControl_overflow_flag(1, 20, env); | |
947 | } | |
948 | ||
949 | return temp & 0x0000FFFF; | |
950 | } | |
951 | ||
952 | static inline uint8_t mipsdsp_sub_u8(uint8_t a, uint8_t b, CPUMIPSState *env) | |
953 | { | |
954 | uint8_t temp8; | |
955 | uint16_t temp; | |
956 | ||
957 | temp = (uint16_t)a - (uint16_t)b; | |
958 | temp8 = (temp >> 8) & 0x01; | |
959 | if (temp8 == 1) { | |
960 | set_DSPControl_overflow_flag(1, 20, env); | |
961 | } | |
962 | ||
963 | return temp & 0x00FF; | |
964 | } | |
965 | ||
966 | static inline uint8_t mipsdsp_satu8_sub(uint8_t a, uint8_t b, CPUMIPSState *env) | |
967 | { | |
968 | uint8_t temp8; | |
969 | uint16_t temp; | |
970 | ||
971 | temp = (uint16_t)a - (uint16_t)b; | |
972 | temp8 = (temp >> 8) & 0x01; | |
973 | if (temp8 == 1) { | |
974 | temp = 0x00; | |
975 | set_DSPControl_overflow_flag(1, 20, env); | |
976 | } | |
977 | ||
978 | return temp & 0x00FF; | |
979 | } | |
980 | ||
31efeccc | 981 | #ifdef TARGET_MIPS64 |
235eb015 JL |
982 | static inline uint32_t mipsdsp_sub32(int32_t a, int32_t b, CPUMIPSState *env) |
983 | { | |
984 | int32_t temp; | |
985 | ||
986 | temp = a - b; | |
20c334a7 | 987 | if (MIPSDSP_OVERFLOW_SUB(a, b, temp, 0x80000000)) { |
235eb015 JL |
988 | set_DSPControl_overflow_flag(1, 20, env); |
989 | } | |
990 | ||
991 | return temp; | |
992 | } | |
993 | ||
994 | static inline int32_t mipsdsp_add_i32(int32_t a, int32_t b, CPUMIPSState *env) | |
995 | { | |
996 | int32_t temp; | |
997 | ||
998 | temp = a + b; | |
999 | ||
20c334a7 | 1000 | if (MIPSDSP_OVERFLOW_ADD(a, b, temp, 0x80000000)) { |
235eb015 JL |
1001 | set_DSPControl_overflow_flag(1, 20, env); |
1002 | } | |
1003 | ||
1004 | return temp; | |
1005 | } | |
31efeccc | 1006 | #endif |
235eb015 JL |
1007 | |
1008 | static inline int32_t mipsdsp_cmp_eq(int32_t a, int32_t b) | |
1009 | { | |
1010 | return a == b; | |
1011 | } | |
1012 | ||
1013 | static inline int32_t mipsdsp_cmp_le(int32_t a, int32_t b) | |
1014 | { | |
1015 | return a <= b; | |
1016 | } | |
1017 | ||
1018 | static inline int32_t mipsdsp_cmp_lt(int32_t a, int32_t b) | |
1019 | { | |
1020 | return a < b; | |
1021 | } | |
1022 | ||
1023 | static inline int32_t mipsdsp_cmpu_eq(uint32_t a, uint32_t b) | |
1024 | { | |
1025 | return a == b; | |
1026 | } | |
1027 | ||
1028 | static inline int32_t mipsdsp_cmpu_le(uint32_t a, uint32_t b) | |
1029 | { | |
1030 | return a <= b; | |
1031 | } | |
1032 | ||
1033 | static inline int32_t mipsdsp_cmpu_lt(uint32_t a, uint32_t b) | |
1034 | { | |
1035 | return a < b; | |
1036 | } | |
1037 | /*** MIPS DSP internal functions end ***/ | |
461c08df JL |
1038 | |
1039 | #define MIPSDSP_LHI 0xFFFFFFFF00000000ull | |
1040 | #define MIPSDSP_LLO 0x00000000FFFFFFFFull | |
1041 | #define MIPSDSP_HI 0xFFFF0000 | |
1042 | #define MIPSDSP_LO 0x0000FFFF | |
1043 | #define MIPSDSP_Q3 0xFF000000 | |
1044 | #define MIPSDSP_Q2 0x00FF0000 | |
1045 | #define MIPSDSP_Q1 0x0000FF00 | |
1046 | #define MIPSDSP_Q0 0x000000FF | |
1047 | ||
1048 | #define MIPSDSP_SPLIT32_8(num, a, b, c, d) \ | |
1049 | do { \ | |
1050 | a = (num >> 24) & MIPSDSP_Q0; \ | |
1051 | b = (num >> 16) & MIPSDSP_Q0; \ | |
1052 | c = (num >> 8) & MIPSDSP_Q0; \ | |
1053 | d = num & MIPSDSP_Q0; \ | |
1054 | } while (0) | |
1055 | ||
1056 | #define MIPSDSP_SPLIT32_16(num, a, b) \ | |
1057 | do { \ | |
1058 | a = (num >> 16) & MIPSDSP_LO; \ | |
1059 | b = num & MIPSDSP_LO; \ | |
1060 | } while (0) | |
1061 | ||
461c08df JL |
1062 | #define MIPSDSP_RETURN32_8(a, b, c, d) ((target_long)(int32_t) \ |
1063 | (((uint32_t)a << 24) | \ | |
1064 | (((uint32_t)b << 16) | \ | |
1065 | (((uint32_t)c << 8) | \ | |
1066 | ((uint32_t)d & 0xFF))))) | |
1067 | #define MIPSDSP_RETURN32_16(a, b) ((target_long)(int32_t) \ | |
1068 | (((uint32_t)a << 16) | \ | |
1069 | ((uint32_t)b & 0xFFFF))) | |
1070 | ||
1071 | #ifdef TARGET_MIPS64 | |
1072 | #define MIPSDSP_SPLIT64_16(num, a, b, c, d) \ | |
1073 | do { \ | |
1074 | a = (num >> 48) & MIPSDSP_LO; \ | |
1075 | b = (num >> 32) & MIPSDSP_LO; \ | |
1076 | c = (num >> 16) & MIPSDSP_LO; \ | |
1077 | d = num & MIPSDSP_LO; \ | |
1078 | } while (0) | |
1079 | ||
1080 | #define MIPSDSP_SPLIT64_32(num, a, b) \ | |
1081 | do { \ | |
1082 | a = (num >> 32) & MIPSDSP_LLO; \ | |
1083 | b = num & MIPSDSP_LLO; \ | |
1084 | } while (0) | |
1085 | ||
1086 | #define MIPSDSP_RETURN64_16(a, b, c, d) (((uint64_t)a << 48) | \ | |
1087 | ((uint64_t)b << 32) | \ | |
1088 | ((uint64_t)c << 16) | \ | |
1089 | (uint64_t)d) | |
1090 | #define MIPSDSP_RETURN64_32(a, b) (((uint64_t)a << 32) | (uint64_t)b) | |
1091 | #endif | |
1092 | ||
1093 | /** DSP Arithmetic Sub-class insns **/ | |
75d012ac AJ |
1094 | #define MIPSDSP32_UNOP_ENV(name, func, element) \ |
1095 | target_ulong helper_##name(target_ulong rt, CPUMIPSState *env) \ | |
1096 | { \ | |
1097 | DSP32Value dt; \ | |
8f84271d | 1098 | unsigned int i; \ |
75d012ac | 1099 | \ |
75d012ac AJ |
1100 | dt.sw[0] = rt; \ |
1101 | \ | |
8f84271d | 1102 | for (i = 0; i < ARRAY_SIZE(dt.element); i++) { \ |
75d012ac AJ |
1103 | dt.element[i] = mipsdsp_##func(dt.element[i], env); \ |
1104 | } \ | |
1105 | \ | |
1106 | return (target_long)dt.sw[0]; \ | |
1107 | } | |
1108 | MIPSDSP32_UNOP_ENV(absq_s_ph, sat_abs16, sh) | |
1109 | MIPSDSP32_UNOP_ENV(absq_s_qb, sat_abs8, sb) | |
1110 | MIPSDSP32_UNOP_ENV(absq_s_w, sat_abs32, sw) | |
1111 | #undef MIPSDSP32_UNOP_ENV | |
1112 | ||
1113 | #if defined(TARGET_MIPS64) | |
1114 | #define MIPSDSP64_UNOP_ENV(name, func, element) \ | |
1115 | target_ulong helper_##name(target_ulong rt, CPUMIPSState *env) \ | |
1116 | { \ | |
1117 | DSP64Value dt; \ | |
8f84271d | 1118 | unsigned int i; \ |
75d012ac | 1119 | \ |
75d012ac AJ |
1120 | dt.sl[0] = rt; \ |
1121 | \ | |
8f84271d | 1122 | for (i = 0; i < ARRAY_SIZE(dt.element); i++) { \ |
75d012ac AJ |
1123 | dt.element[i] = mipsdsp_##func(dt.element[i], env); \ |
1124 | } \ | |
1125 | \ | |
1126 | return dt.sl[0]; \ | |
1127 | } | |
1128 | MIPSDSP64_UNOP_ENV(absq_s_ob, sat_abs8, sb) | |
1129 | MIPSDSP64_UNOP_ENV(absq_s_qh, sat_abs16, sh) | |
1130 | MIPSDSP64_UNOP_ENV(absq_s_pw, sat_abs32, sw) | |
1131 | #undef MIPSDSP64_UNOP_ENV | |
1132 | #endif | |
1133 | ||
6de0e6c1 AJ |
1134 | #define MIPSDSP32_BINOP(name, func, element) \ |
1135 | target_ulong helper_##name(target_ulong rs, target_ulong rt) \ | |
1136 | { \ | |
1137 | DSP32Value ds, dt; \ | |
8f84271d | 1138 | unsigned int i; \ |
6de0e6c1 | 1139 | \ |
6de0e6c1 AJ |
1140 | ds.sw[0] = rs; \ |
1141 | dt.sw[0] = rt; \ | |
1142 | \ | |
8f84271d | 1143 | for (i = 0; i < ARRAY_SIZE(ds.element); i++) { \ |
6de0e6c1 AJ |
1144 | ds.element[i] = mipsdsp_##func(ds.element[i], dt.element[i]); \ |
1145 | } \ | |
1146 | \ | |
1147 | return (target_long)ds.sw[0]; \ | |
1148 | } | |
1149 | MIPSDSP32_BINOP(addqh_ph, rshift1_add_q16, sh); | |
1150 | MIPSDSP32_BINOP(addqh_r_ph, rrshift1_add_q16, sh); | |
1151 | MIPSDSP32_BINOP(addqh_r_w, rrshift1_add_q32, sw); | |
1152 | MIPSDSP32_BINOP(addqh_w, rshift1_add_q32, sw); | |
1153 | MIPSDSP32_BINOP(adduh_qb, rshift1_add_u8, ub); | |
1154 | MIPSDSP32_BINOP(adduh_r_qb, rrshift1_add_u8, ub); | |
1155 | MIPSDSP32_BINOP(subqh_ph, rshift1_sub_q16, sh); | |
1156 | MIPSDSP32_BINOP(subqh_r_ph, rrshift1_sub_q16, sh); | |
1157 | MIPSDSP32_BINOP(subqh_r_w, rrshift1_sub_q32, sw); | |
1158 | MIPSDSP32_BINOP(subqh_w, rshift1_sub_q32, sw); | |
1159 | #undef MIPSDSP32_BINOP | |
1160 | ||
1161 | #define MIPSDSP32_BINOP_ENV(name, func, element) \ | |
1162 | target_ulong helper_##name(target_ulong rs, target_ulong rt, \ | |
1163 | CPUMIPSState *env) \ | |
1164 | { \ | |
1165 | DSP32Value ds, dt; \ | |
8f84271d | 1166 | unsigned int i; \ |
6de0e6c1 | 1167 | \ |
6de0e6c1 AJ |
1168 | ds.sw[0] = rs; \ |
1169 | dt.sw[0] = rt; \ | |
1170 | \ | |
8f84271d | 1171 | for (i = 0 ; i < ARRAY_SIZE(ds.element); i++) { \ |
6de0e6c1 AJ |
1172 | ds.element[i] = mipsdsp_##func(ds.element[i], dt.element[i], env); \ |
1173 | } \ | |
1174 | \ | |
1175 | return (target_long)ds.sw[0]; \ | |
1176 | } | |
1177 | MIPSDSP32_BINOP_ENV(addq_ph, add_i16, sh) | |
1178 | MIPSDSP32_BINOP_ENV(addq_s_ph, sat_add_i16, sh) | |
1179 | MIPSDSP32_BINOP_ENV(addq_s_w, sat_add_i32, sw); | |
1180 | MIPSDSP32_BINOP_ENV(addu_ph, add_u16, sh) | |
1181 | MIPSDSP32_BINOP_ENV(addu_qb, add_u8, ub); | |
1182 | MIPSDSP32_BINOP_ENV(addu_s_ph, sat_add_u16, sh) | |
1183 | MIPSDSP32_BINOP_ENV(addu_s_qb, sat_add_u8, ub); | |
1184 | MIPSDSP32_BINOP_ENV(subq_ph, sub_i16, sh); | |
1185 | MIPSDSP32_BINOP_ENV(subq_s_ph, sat16_sub, sh); | |
1186 | MIPSDSP32_BINOP_ENV(subq_s_w, sat32_sub, sw); | |
1187 | MIPSDSP32_BINOP_ENV(subu_ph, sub_u16_u16, sh); | |
1188 | MIPSDSP32_BINOP_ENV(subu_qb, sub_u8, ub); | |
1189 | MIPSDSP32_BINOP_ENV(subu_s_ph, satu16_sub_u16_u16, sh); | |
1190 | MIPSDSP32_BINOP_ENV(subu_s_qb, satu8_sub, ub); | |
1191 | #undef MIPSDSP32_BINOP_ENV | |
461c08df JL |
1192 | |
1193 | #ifdef TARGET_MIPS64 | |
6de0e6c1 AJ |
1194 | #define MIPSDSP64_BINOP(name, func, element) \ |
1195 | target_ulong helper_##name(target_ulong rs, target_ulong rt) \ | |
1196 | { \ | |
1197 | DSP64Value ds, dt; \ | |
8f84271d | 1198 | unsigned int i; \ |
6de0e6c1 | 1199 | \ |
6de0e6c1 AJ |
1200 | ds.sl[0] = rs; \ |
1201 | dt.sl[0] = rt; \ | |
1202 | \ | |
8f84271d | 1203 | for (i = 0 ; i < ARRAY_SIZE(ds.element); i++) { \ |
6de0e6c1 AJ |
1204 | ds.element[i] = mipsdsp_##func(ds.element[i], dt.element[i]); \ |
1205 | } \ | |
1206 | \ | |
1207 | return ds.sl[0]; \ | |
1208 | } | |
1209 | MIPSDSP64_BINOP(adduh_ob, rshift1_add_u8, ub); | |
1210 | MIPSDSP64_BINOP(adduh_r_ob, rrshift1_add_u8, ub); | |
1211 | MIPSDSP64_BINOP(subuh_ob, rshift1_sub_u8, ub); | |
1212 | MIPSDSP64_BINOP(subuh_r_ob, rrshift1_sub_u8, ub); | |
1213 | #undef MIPSDSP64_BINOP | |
1214 | ||
1215 | #define MIPSDSP64_BINOP_ENV(name, func, element) \ | |
1216 | target_ulong helper_##name(target_ulong rs, target_ulong rt, \ | |
1217 | CPUMIPSState *env) \ | |
1218 | { \ | |
1219 | DSP64Value ds, dt; \ | |
8f84271d | 1220 | unsigned int i; \ |
6de0e6c1 | 1221 | \ |
6de0e6c1 AJ |
1222 | ds.sl[0] = rs; \ |
1223 | dt.sl[0] = rt; \ | |
1224 | \ | |
8f84271d | 1225 | for (i = 0 ; i < ARRAY_SIZE(ds.element); i++) { \ |
6de0e6c1 AJ |
1226 | ds.element[i] = mipsdsp_##func(ds.element[i], dt.element[i], env); \ |
1227 | } \ | |
1228 | \ | |
1229 | return ds.sl[0]; \ | |
1230 | } | |
1231 | MIPSDSP64_BINOP_ENV(addq_pw, add_i32, sw); | |
1232 | MIPSDSP64_BINOP_ENV(addq_qh, add_i16, sh); | |
1233 | MIPSDSP64_BINOP_ENV(addq_s_pw, sat_add_i32, sw); | |
1234 | MIPSDSP64_BINOP_ENV(addq_s_qh, sat_add_i16, sh); | |
1235 | MIPSDSP64_BINOP_ENV(addu_ob, add_u8, uh); | |
1236 | MIPSDSP64_BINOP_ENV(addu_qh, add_u16, uh); | |
1237 | MIPSDSP64_BINOP_ENV(addu_s_ob, sat_add_u8, uh); | |
1238 | MIPSDSP64_BINOP_ENV(addu_s_qh, sat_add_u16, uh); | |
1239 | MIPSDSP64_BINOP_ENV(subq_pw, sub32, sw); | |
1240 | MIPSDSP64_BINOP_ENV(subq_qh, sub_i16, sh); | |
1241 | MIPSDSP64_BINOP_ENV(subq_s_pw, sat32_sub, sw); | |
1242 | MIPSDSP64_BINOP_ENV(subq_s_qh, sat16_sub, sh); | |
1243 | MIPSDSP64_BINOP_ENV(subu_ob, sub_u8, uh); | |
1244 | MIPSDSP64_BINOP_ENV(subu_qh, sub_u16_u16, uh); | |
1245 | MIPSDSP64_BINOP_ENV(subu_s_ob, satu8_sub, uh); | |
1246 | MIPSDSP64_BINOP_ENV(subu_s_qh, satu16_sub_u16_u16, uh); | |
1247 | #undef MIPSDSP64_BINOP_ENV | |
461c08df JL |
1248 | |
1249 | #endif | |
1250 | ||
461c08df JL |
1251 | #define SUBUH_QB(name, var) \ |
1252 | target_ulong helper_##name##_qb(target_ulong rs, target_ulong rt) \ | |
1253 | { \ | |
1254 | uint8_t rs3, rs2, rs1, rs0; \ | |
1255 | uint8_t rt3, rt2, rt1, rt0; \ | |
1256 | uint8_t tempD, tempC, tempB, tempA; \ | |
1257 | \ | |
1258 | MIPSDSP_SPLIT32_8(rs, rs3, rs2, rs1, rs0); \ | |
1259 | MIPSDSP_SPLIT32_8(rt, rt3, rt2, rt1, rt0); \ | |
1260 | \ | |
1261 | tempD = ((uint16_t)rs3 - (uint16_t)rt3 + var) >> 1; \ | |
1262 | tempC = ((uint16_t)rs2 - (uint16_t)rt2 + var) >> 1; \ | |
1263 | tempB = ((uint16_t)rs1 - (uint16_t)rt1 + var) >> 1; \ | |
1264 | tempA = ((uint16_t)rs0 - (uint16_t)rt0 + var) >> 1; \ | |
1265 | \ | |
1266 | return ((uint32_t)tempD << 24) | ((uint32_t)tempC << 16) | \ | |
1267 | ((uint32_t)tempB << 8) | ((uint32_t)tempA); \ | |
1268 | } | |
1269 | ||
1270 | SUBUH_QB(subuh, 0); | |
1271 | SUBUH_QB(subuh_r, 1); | |
1272 | ||
1273 | #undef SUBUH_QB | |
1274 | ||
1275 | target_ulong helper_addsc(target_ulong rs, target_ulong rt, CPUMIPSState *env) | |
1276 | { | |
1277 | uint64_t temp, tempRs, tempRt; | |
118d1e4f | 1278 | bool flag; |
461c08df JL |
1279 | |
1280 | tempRs = (uint64_t)rs & MIPSDSP_LLO; | |
1281 | tempRt = (uint64_t)rt & MIPSDSP_LLO; | |
1282 | ||
1283 | temp = tempRs + tempRt; | |
1284 | flag = (temp & 0x0100000000ull) >> 32; | |
1285 | set_DSPControl_carryflag(flag, env); | |
1286 | ||
1287 | return (target_long)(int32_t)(temp & MIPSDSP_LLO); | |
1288 | } | |
1289 | ||
1290 | target_ulong helper_addwc(target_ulong rs, target_ulong rt, CPUMIPSState *env) | |
1291 | { | |
1292 | uint32_t rd; | |
1293 | int32_t temp32, temp31; | |
1294 | int64_t tempL; | |
1295 | ||
1296 | tempL = (int64_t)(int32_t)rs + (int64_t)(int32_t)rt + | |
1297 | get_DSPControl_carryflag(env); | |
1298 | temp31 = (tempL >> 31) & 0x01; | |
1299 | temp32 = (tempL >> 32) & 0x01; | |
1300 | ||
1301 | if (temp31 != temp32) { | |
1302 | set_DSPControl_overflow_flag(1, 20, env); | |
1303 | } | |
1304 | ||
1305 | rd = tempL & MIPSDSP_LLO; | |
1306 | ||
1307 | return (target_long)(int32_t)rd; | |
1308 | } | |
1309 | ||
1310 | target_ulong helper_modsub(target_ulong rs, target_ulong rt) | |
1311 | { | |
1312 | int32_t decr; | |
1313 | uint16_t lastindex; | |
1314 | target_ulong rd; | |
1315 | ||
1316 | decr = rt & MIPSDSP_Q0; | |
1317 | lastindex = (rt >> 8) & MIPSDSP_LO; | |
1318 | ||
1319 | if ((rs & MIPSDSP_LLO) == 0x00000000) { | |
1320 | rd = (target_ulong)lastindex; | |
1321 | } else { | |
1322 | rd = rs - decr; | |
1323 | } | |
1324 | ||
1325 | return rd; | |
1326 | } | |
1327 | ||
1328 | target_ulong helper_raddu_w_qb(target_ulong rs) | |
1329 | { | |
0a16c79c AJ |
1330 | target_ulong ret = 0; |
1331 | DSP32Value ds; | |
1332 | unsigned int i; | |
461c08df | 1333 | |
0a16c79c AJ |
1334 | ds.uw[0] = rs; |
1335 | for (i = 0; i < 4; i++) { | |
1336 | ret += ds.ub[i]; | |
1337 | } | |
1338 | return ret; | |
461c08df JL |
1339 | } |
1340 | ||
1341 | #if defined(TARGET_MIPS64) | |
1342 | target_ulong helper_raddu_l_ob(target_ulong rs) | |
1343 | { | |
0a16c79c AJ |
1344 | target_ulong ret = 0; |
1345 | DSP64Value ds; | |
1346 | unsigned int i; | |
461c08df | 1347 | |
0a16c79c | 1348 | ds.ul[0] = rs; |
461c08df | 1349 | for (i = 0; i < 8; i++) { |
0a16c79c | 1350 | ret += ds.ub[i]; |
461c08df | 1351 | } |
0a16c79c | 1352 | return ret; |
461c08df JL |
1353 | } |
1354 | #endif | |
1355 | ||
461c08df JL |
1356 | #define PRECR_QB_PH(name, a, b)\ |
1357 | target_ulong helper_##name##_qb_ph(target_ulong rs, target_ulong rt) \ | |
1358 | { \ | |
1359 | uint8_t tempD, tempC, tempB, tempA; \ | |
1360 | \ | |
1361 | tempD = (rs >> a) & MIPSDSP_Q0; \ | |
1362 | tempC = (rs >> b) & MIPSDSP_Q0; \ | |
1363 | tempB = (rt >> a) & MIPSDSP_Q0; \ | |
1364 | tempA = (rt >> b) & MIPSDSP_Q0; \ | |
1365 | \ | |
1366 | return MIPSDSP_RETURN32_8(tempD, tempC, tempB, tempA); \ | |
1367 | } | |
1368 | ||
1369 | PRECR_QB_PH(precr, 16, 0); | |
1370 | PRECR_QB_PH(precrq, 24, 8); | |
1371 | ||
1372 | #undef PRECR_QB_OH | |
1373 | ||
1374 | target_ulong helper_precr_sra_ph_w(uint32_t sa, target_ulong rs, | |
1375 | target_ulong rt) | |
1376 | { | |
1377 | uint16_t tempB, tempA; | |
1378 | ||
1379 | tempB = ((int32_t)rt >> sa) & MIPSDSP_LO; | |
1380 | tempA = ((int32_t)rs >> sa) & MIPSDSP_LO; | |
1381 | ||
1382 | return MIPSDSP_RETURN32_16(tempB, tempA); | |
1383 | } | |
1384 | ||
1385 | target_ulong helper_precr_sra_r_ph_w(uint32_t sa, | |
1386 | target_ulong rs, target_ulong rt) | |
1387 | { | |
1388 | uint64_t tempB, tempA; | |
1389 | ||
1390 | /* If sa = 0, then (sa - 1) = -1 will case shift error, so we need else. */ | |
1391 | if (sa == 0) { | |
1392 | tempB = (rt & MIPSDSP_LO) << 1; | |
1393 | tempA = (rs & MIPSDSP_LO) << 1; | |
1394 | } else { | |
1395 | tempB = ((int32_t)rt >> (sa - 1)) + 1; | |
1396 | tempA = ((int32_t)rs >> (sa - 1)) + 1; | |
1397 | } | |
1398 | rt = (((tempB >> 1) & MIPSDSP_LO) << 16) | ((tempA >> 1) & MIPSDSP_LO); | |
1399 | ||
1400 | return (target_long)(int32_t)rt; | |
1401 | } | |
1402 | ||
1403 | target_ulong helper_precrq_ph_w(target_ulong rs, target_ulong rt) | |
1404 | { | |
1405 | uint16_t tempB, tempA; | |
1406 | ||
1407 | tempB = (rs & MIPSDSP_HI) >> 16; | |
1408 | tempA = (rt & MIPSDSP_HI) >> 16; | |
1409 | ||
1410 | return MIPSDSP_RETURN32_16(tempB, tempA); | |
1411 | } | |
1412 | ||
1413 | target_ulong helper_precrq_rs_ph_w(target_ulong rs, target_ulong rt, | |
1414 | CPUMIPSState *env) | |
1415 | { | |
1416 | uint16_t tempB, tempA; | |
1417 | ||
1418 | tempB = mipsdsp_trunc16_sat16_round(rs, env); | |
1419 | tempA = mipsdsp_trunc16_sat16_round(rt, env); | |
1420 | ||
1421 | return MIPSDSP_RETURN32_16(tempB, tempA); | |
1422 | } | |
1423 | ||
1424 | #if defined(TARGET_MIPS64) | |
1425 | target_ulong helper_precr_ob_qh(target_ulong rs, target_ulong rt) | |
1426 | { | |
1427 | uint8_t rs6, rs4, rs2, rs0; | |
1428 | uint8_t rt6, rt4, rt2, rt0; | |
1429 | uint64_t temp; | |
1430 | ||
1431 | rs6 = (rs >> 48) & MIPSDSP_Q0; | |
1432 | rs4 = (rs >> 32) & MIPSDSP_Q0; | |
1433 | rs2 = (rs >> 16) & MIPSDSP_Q0; | |
1434 | rs0 = rs & MIPSDSP_Q0; | |
1435 | rt6 = (rt >> 48) & MIPSDSP_Q0; | |
1436 | rt4 = (rt >> 32) & MIPSDSP_Q0; | |
1437 | rt2 = (rt >> 16) & MIPSDSP_Q0; | |
1438 | rt0 = rt & MIPSDSP_Q0; | |
1439 | ||
1440 | temp = ((uint64_t)rs6 << 56) | ((uint64_t)rs4 << 48) | | |
1441 | ((uint64_t)rs2 << 40) | ((uint64_t)rs0 << 32) | | |
1442 | ((uint64_t)rt6 << 24) | ((uint64_t)rt4 << 16) | | |
1443 | ((uint64_t)rt2 << 8) | (uint64_t)rt0; | |
1444 | ||
1445 | return temp; | |
1446 | } | |
1447 | ||
1448 | #define PRECR_QH_PW(name, var) \ | |
1449 | target_ulong helper_precr_##name##_qh_pw(target_ulong rs, target_ulong rt, \ | |
1450 | uint32_t sa) \ | |
1451 | { \ | |
1452 | uint16_t rs3, rs2, rs1, rs0; \ | |
1453 | uint16_t rt3, rt2, rt1, rt0; \ | |
1454 | uint16_t tempD, tempC, tempB, tempA; \ | |
1455 | \ | |
1456 | MIPSDSP_SPLIT64_16(rs, rs3, rs2, rs1, rs0); \ | |
1457 | MIPSDSP_SPLIT64_16(rt, rt3, rt2, rt1, rt0); \ | |
1458 | \ | |
1459 | /* When sa = 0, we use rt2, rt0, rs2, rs0; \ | |
1460 | * when sa != 0, we use rt3, rt1, rs3, rs1. */ \ | |
1461 | if (sa == 0) { \ | |
1462 | tempD = rt2 << var; \ | |
1463 | tempC = rt0 << var; \ | |
1464 | tempB = rs2 << var; \ | |
1465 | tempA = rs0 << var; \ | |
1466 | } else { \ | |
1467 | tempD = (((int16_t)rt3 >> sa) + var) >> var; \ | |
1468 | tempC = (((int16_t)rt1 >> sa) + var) >> var; \ | |
1469 | tempB = (((int16_t)rs3 >> sa) + var) >> var; \ | |
1470 | tempA = (((int16_t)rs1 >> sa) + var) >> var; \ | |
1471 | } \ | |
1472 | \ | |
1473 | return MIPSDSP_RETURN64_16(tempD, tempC, tempB, tempA); \ | |
1474 | } | |
1475 | ||
1476 | PRECR_QH_PW(sra, 0); | |
1477 | PRECR_QH_PW(sra_r, 1); | |
1478 | ||
1479 | #undef PRECR_QH_PW | |
1480 | ||
1481 | target_ulong helper_precrq_ob_qh(target_ulong rs, target_ulong rt) | |
1482 | { | |
1483 | uint8_t rs6, rs4, rs2, rs0; | |
1484 | uint8_t rt6, rt4, rt2, rt0; | |
1485 | uint64_t temp; | |
1486 | ||
1487 | rs6 = (rs >> 56) & MIPSDSP_Q0; | |
1488 | rs4 = (rs >> 40) & MIPSDSP_Q0; | |
1489 | rs2 = (rs >> 24) & MIPSDSP_Q0; | |
1490 | rs0 = (rs >> 8) & MIPSDSP_Q0; | |
1491 | rt6 = (rt >> 56) & MIPSDSP_Q0; | |
1492 | rt4 = (rt >> 40) & MIPSDSP_Q0; | |
1493 | rt2 = (rt >> 24) & MIPSDSP_Q0; | |
1494 | rt0 = (rt >> 8) & MIPSDSP_Q0; | |
1495 | ||
1496 | temp = ((uint64_t)rs6 << 56) | ((uint64_t)rs4 << 48) | | |
1497 | ((uint64_t)rs2 << 40) | ((uint64_t)rs0 << 32) | | |
1498 | ((uint64_t)rt6 << 24) | ((uint64_t)rt4 << 16) | | |
1499 | ((uint64_t)rt2 << 8) | (uint64_t)rt0; | |
1500 | ||
1501 | return temp; | |
1502 | } | |
1503 | ||
1504 | target_ulong helper_precrq_qh_pw(target_ulong rs, target_ulong rt) | |
1505 | { | |
1506 | uint16_t tempD, tempC, tempB, tempA; | |
1507 | ||
1508 | tempD = (rs >> 48) & MIPSDSP_LO; | |
1509 | tempC = (rs >> 16) & MIPSDSP_LO; | |
1510 | tempB = (rt >> 48) & MIPSDSP_LO; | |
1511 | tempA = (rt >> 16) & MIPSDSP_LO; | |
1512 | ||
1513 | return MIPSDSP_RETURN64_16(tempD, tempC, tempB, tempA); | |
1514 | } | |
1515 | ||
1516 | target_ulong helper_precrq_rs_qh_pw(target_ulong rs, target_ulong rt, | |
1517 | CPUMIPSState *env) | |
1518 | { | |
1519 | uint32_t rs2, rs0; | |
1520 | uint32_t rt2, rt0; | |
1521 | uint16_t tempD, tempC, tempB, tempA; | |
1522 | ||
1523 | rs2 = (rs >> 32) & MIPSDSP_LLO; | |
1524 | rs0 = rs & MIPSDSP_LLO; | |
1525 | rt2 = (rt >> 32) & MIPSDSP_LLO; | |
1526 | rt0 = rt & MIPSDSP_LLO; | |
1527 | ||
1528 | tempD = mipsdsp_trunc16_sat16_round(rs2, env); | |
1529 | tempC = mipsdsp_trunc16_sat16_round(rs0, env); | |
1530 | tempB = mipsdsp_trunc16_sat16_round(rt2, env); | |
1531 | tempA = mipsdsp_trunc16_sat16_round(rt0, env); | |
1532 | ||
1533 | return MIPSDSP_RETURN64_16(tempD, tempC, tempB, tempA); | |
1534 | } | |
1535 | ||
1536 | target_ulong helper_precrq_pw_l(target_ulong rs, target_ulong rt) | |
1537 | { | |
1538 | uint32_t tempB, tempA; | |
1539 | ||
1540 | tempB = (rs >> 32) & MIPSDSP_LLO; | |
1541 | tempA = (rt >> 32) & MIPSDSP_LLO; | |
1542 | ||
1543 | return MIPSDSP_RETURN64_32(tempB, tempA); | |
1544 | } | |
1545 | #endif | |
1546 | ||
1547 | target_ulong helper_precrqu_s_qb_ph(target_ulong rs, target_ulong rt, | |
1548 | CPUMIPSState *env) | |
1549 | { | |
1550 | uint8_t tempD, tempC, tempB, tempA; | |
1551 | uint16_t rsh, rsl, rth, rtl; | |
1552 | ||
1553 | rsh = (rs & MIPSDSP_HI) >> 16; | |
1554 | rsl = rs & MIPSDSP_LO; | |
1555 | rth = (rt & MIPSDSP_HI) >> 16; | |
1556 | rtl = rt & MIPSDSP_LO; | |
1557 | ||
1558 | tempD = mipsdsp_sat8_reduce_precision(rsh, env); | |
1559 | tempC = mipsdsp_sat8_reduce_precision(rsl, env); | |
1560 | tempB = mipsdsp_sat8_reduce_precision(rth, env); | |
1561 | tempA = mipsdsp_sat8_reduce_precision(rtl, env); | |
1562 | ||
1563 | return MIPSDSP_RETURN32_8(tempD, tempC, tempB, tempA); | |
1564 | } | |
1565 | ||
1566 | #if defined(TARGET_MIPS64) | |
1567 | target_ulong helper_precrqu_s_ob_qh(target_ulong rs, target_ulong rt, | |
1568 | CPUMIPSState *env) | |
1569 | { | |
1570 | int i; | |
1571 | uint16_t rs3, rs2, rs1, rs0; | |
1572 | uint16_t rt3, rt2, rt1, rt0; | |
1573 | uint8_t temp[8]; | |
1574 | uint64_t result; | |
1575 | ||
1576 | result = 0; | |
1577 | ||
1578 | MIPSDSP_SPLIT64_16(rs, rs3, rs2, rs1, rs0); | |
1579 | MIPSDSP_SPLIT64_16(rt, rt3, rt2, rt1, rt0); | |
1580 | ||
1581 | temp[7] = mipsdsp_sat8_reduce_precision(rs3, env); | |
1582 | temp[6] = mipsdsp_sat8_reduce_precision(rs2, env); | |
1583 | temp[5] = mipsdsp_sat8_reduce_precision(rs1, env); | |
1584 | temp[4] = mipsdsp_sat8_reduce_precision(rs0, env); | |
1585 | temp[3] = mipsdsp_sat8_reduce_precision(rt3, env); | |
1586 | temp[2] = mipsdsp_sat8_reduce_precision(rt2, env); | |
1587 | temp[1] = mipsdsp_sat8_reduce_precision(rt1, env); | |
1588 | temp[0] = mipsdsp_sat8_reduce_precision(rt0, env); | |
1589 | ||
1590 | for (i = 0; i < 8; i++) { | |
1591 | result |= (uint64_t)temp[i] << (8 * i); | |
1592 | } | |
1593 | ||
1594 | return result; | |
1595 | } | |
1596 | ||
1597 | #define PRECEQ_PW(name, a, b) \ | |
1598 | target_ulong helper_preceq_pw_##name(target_ulong rt) \ | |
1599 | { \ | |
1600 | uint16_t tempB, tempA; \ | |
1601 | uint32_t tempBI, tempAI; \ | |
1602 | \ | |
1603 | tempB = (rt >> a) & MIPSDSP_LO; \ | |
1604 | tempA = (rt >> b) & MIPSDSP_LO; \ | |
1605 | \ | |
1606 | tempBI = (uint32_t)tempB << 16; \ | |
1607 | tempAI = (uint32_t)tempA << 16; \ | |
1608 | \ | |
1609 | return MIPSDSP_RETURN64_32(tempBI, tempAI); \ | |
1610 | } | |
1611 | ||
1612 | PRECEQ_PW(qhl, 48, 32); | |
1613 | PRECEQ_PW(qhr, 16, 0); | |
1614 | PRECEQ_PW(qhla, 48, 16); | |
1615 | PRECEQ_PW(qhra, 32, 0); | |
1616 | ||
1617 | #undef PRECEQ_PW | |
1618 | ||
1619 | #endif | |
1620 | ||
1621 | #define PRECEQU_PH(name, a, b) \ | |
1622 | target_ulong helper_precequ_ph_##name(target_ulong rt) \ | |
1623 | { \ | |
1624 | uint16_t tempB, tempA; \ | |
1625 | \ | |
1626 | tempB = (rt >> a) & MIPSDSP_Q0; \ | |
1627 | tempA = (rt >> b) & MIPSDSP_Q0; \ | |
1628 | \ | |
1629 | tempB = tempB << 7; \ | |
1630 | tempA = tempA << 7; \ | |
1631 | \ | |
1632 | return MIPSDSP_RETURN32_16(tempB, tempA); \ | |
1633 | } | |
1634 | ||
1635 | PRECEQU_PH(qbl, 24, 16); | |
1636 | PRECEQU_PH(qbr, 8, 0); | |
1637 | PRECEQU_PH(qbla, 24, 8); | |
1638 | PRECEQU_PH(qbra, 16, 0); | |
1639 | ||
1640 | #undef PRECEQU_PH | |
1641 | ||
1642 | #if defined(TARGET_MIPS64) | |
1643 | #define PRECEQU_QH(name, a, b, c, d) \ | |
1644 | target_ulong helper_precequ_qh_##name(target_ulong rt) \ | |
1645 | { \ | |
1646 | uint16_t tempD, tempC, tempB, tempA; \ | |
1647 | \ | |
1648 | tempD = (rt >> a) & MIPSDSP_Q0; \ | |
1649 | tempC = (rt >> b) & MIPSDSP_Q0; \ | |
1650 | tempB = (rt >> c) & MIPSDSP_Q0; \ | |
1651 | tempA = (rt >> d) & MIPSDSP_Q0; \ | |
1652 | \ | |
1653 | tempD = tempD << 7; \ | |
1654 | tempC = tempC << 7; \ | |
1655 | tempB = tempB << 7; \ | |
1656 | tempA = tempA << 7; \ | |
1657 | \ | |
1658 | return MIPSDSP_RETURN64_16(tempD, tempC, tempB, tempA); \ | |
1659 | } | |
1660 | ||
1661 | PRECEQU_QH(obl, 56, 48, 40, 32); | |
1662 | PRECEQU_QH(obr, 24, 16, 8, 0); | |
1663 | PRECEQU_QH(obla, 56, 40, 24, 8); | |
1664 | PRECEQU_QH(obra, 48, 32, 16, 0); | |
1665 | ||
1666 | #undef PRECEQU_QH | |
1667 | ||
1668 | #endif | |
1669 | ||
1670 | #define PRECEU_PH(name, a, b) \ | |
1671 | target_ulong helper_preceu_ph_##name(target_ulong rt) \ | |
1672 | { \ | |
1673 | uint16_t tempB, tempA; \ | |
1674 | \ | |
1675 | tempB = (rt >> a) & MIPSDSP_Q0; \ | |
1676 | tempA = (rt >> b) & MIPSDSP_Q0; \ | |
1677 | \ | |
1678 | return MIPSDSP_RETURN32_16(tempB, tempA); \ | |
1679 | } | |
1680 | ||
1681 | PRECEU_PH(qbl, 24, 16); | |
1682 | PRECEU_PH(qbr, 8, 0); | |
1683 | PRECEU_PH(qbla, 24, 8); | |
1684 | PRECEU_PH(qbra, 16, 0); | |
1685 | ||
1686 | #undef PRECEU_PH | |
1687 | ||
1688 | #if defined(TARGET_MIPS64) | |
1689 | #define PRECEU_QH(name, a, b, c, d) \ | |
1690 | target_ulong helper_preceu_qh_##name(target_ulong rt) \ | |
1691 | { \ | |
1692 | uint16_t tempD, tempC, tempB, tempA; \ | |
1693 | \ | |
1694 | tempD = (rt >> a) & MIPSDSP_Q0; \ | |
1695 | tempC = (rt >> b) & MIPSDSP_Q0; \ | |
1696 | tempB = (rt >> c) & MIPSDSP_Q0; \ | |
1697 | tempA = (rt >> d) & MIPSDSP_Q0; \ | |
1698 | \ | |
1699 | return MIPSDSP_RETURN64_16(tempD, tempC, tempB, tempA); \ | |
1700 | } | |
1701 | ||
1702 | PRECEU_QH(obl, 56, 48, 40, 32); | |
1703 | PRECEU_QH(obr, 24, 16, 8, 0); | |
1704 | PRECEU_QH(obla, 56, 40, 24, 8); | |
1705 | PRECEU_QH(obra, 48, 32, 16, 0); | |
1706 | ||
1707 | #undef PRECEU_QH | |
1708 | ||
1709 | #endif | |
1710 | ||
77c5fa8b JL |
1711 | /** DSP GPR-Based Shift Sub-class insns **/ |
1712 | #define SHIFT_QB(name, func) \ | |
1713 | target_ulong helper_##name##_qb(target_ulong sa, target_ulong rt) \ | |
1714 | { \ | |
1715 | uint8_t rt3, rt2, rt1, rt0; \ | |
1716 | \ | |
1717 | sa = sa & 0x07; \ | |
1718 | \ | |
1719 | MIPSDSP_SPLIT32_8(rt, rt3, rt2, rt1, rt0); \ | |
1720 | \ | |
1721 | rt3 = mipsdsp_##func(rt3, sa); \ | |
1722 | rt2 = mipsdsp_##func(rt2, sa); \ | |
1723 | rt1 = mipsdsp_##func(rt1, sa); \ | |
1724 | rt0 = mipsdsp_##func(rt0, sa); \ | |
1725 | \ | |
1726 | return MIPSDSP_RETURN32_8(rt3, rt2, rt1, rt0); \ | |
1727 | } | |
1728 | ||
1729 | #define SHIFT_QB_ENV(name, func) \ | |
1730 | target_ulong helper_##name##_qb(target_ulong sa, target_ulong rt,\ | |
1731 | CPUMIPSState *env) \ | |
1732 | { \ | |
1733 | uint8_t rt3, rt2, rt1, rt0; \ | |
1734 | \ | |
1735 | sa = sa & 0x07; \ | |
1736 | \ | |
1737 | MIPSDSP_SPLIT32_8(rt, rt3, rt2, rt1, rt0); \ | |
1738 | \ | |
1739 | rt3 = mipsdsp_##func(rt3, sa, env); \ | |
1740 | rt2 = mipsdsp_##func(rt2, sa, env); \ | |
1741 | rt1 = mipsdsp_##func(rt1, sa, env); \ | |
1742 | rt0 = mipsdsp_##func(rt0, sa, env); \ | |
1743 | \ | |
1744 | return MIPSDSP_RETURN32_8(rt3, rt2, rt1, rt0); \ | |
1745 | } | |
1746 | ||
1747 | SHIFT_QB_ENV(shll, lshift8); | |
1748 | SHIFT_QB(shrl, rshift_u8); | |
1749 | ||
1750 | SHIFT_QB(shra, rashift8); | |
1751 | SHIFT_QB(shra_r, rnd8_rashift); | |
1752 | ||
1753 | #undef SHIFT_QB | |
1754 | #undef SHIFT_QB_ENV | |
1755 | ||
1756 | #if defined(TARGET_MIPS64) | |
1757 | #define SHIFT_OB(name, func) \ | |
1758 | target_ulong helper_##name##_ob(target_ulong rt, target_ulong sa) \ | |
1759 | { \ | |
1760 | int i; \ | |
1761 | uint8_t rt_t[8]; \ | |
1762 | uint64_t temp; \ | |
1763 | \ | |
1764 | sa = sa & 0x07; \ | |
1765 | temp = 0; \ | |
1766 | \ | |
1767 | for (i = 0; i < 8; i++) { \ | |
1768 | rt_t[i] = (rt >> (8 * i)) & MIPSDSP_Q0; \ | |
1769 | rt_t[i] = mipsdsp_##func(rt_t[i], sa); \ | |
1770 | temp |= (uint64_t)rt_t[i] << (8 * i); \ | |
1771 | } \ | |
1772 | \ | |
1773 | return temp; \ | |
1774 | } | |
1775 | ||
1776 | #define SHIFT_OB_ENV(name, func) \ | |
1777 | target_ulong helper_##name##_ob(target_ulong rt, target_ulong sa, \ | |
1778 | CPUMIPSState *env) \ | |
1779 | { \ | |
1780 | int i; \ | |
1781 | uint8_t rt_t[8]; \ | |
1782 | uint64_t temp; \ | |
1783 | \ | |
1784 | sa = sa & 0x07; \ | |
1785 | temp = 0; \ | |
1786 | \ | |
1787 | for (i = 0; i < 8; i++) { \ | |
1788 | rt_t[i] = (rt >> (8 * i)) & MIPSDSP_Q0; \ | |
1789 | rt_t[i] = mipsdsp_##func(rt_t[i], sa, env); \ | |
1790 | temp |= (uint64_t)rt_t[i] << (8 * i); \ | |
1791 | } \ | |
1792 | \ | |
1793 | return temp; \ | |
1794 | } | |
1795 | ||
1796 | SHIFT_OB_ENV(shll, lshift8); | |
1797 | SHIFT_OB(shrl, rshift_u8); | |
1798 | ||
1799 | SHIFT_OB(shra, rashift8); | |
1800 | SHIFT_OB(shra_r, rnd8_rashift); | |
1801 | ||
1802 | #undef SHIFT_OB | |
1803 | #undef SHIFT_OB_ENV | |
1804 | ||
1805 | #endif | |
1806 | ||
1807 | #define SHIFT_PH(name, func) \ | |
1808 | target_ulong helper_##name##_ph(target_ulong sa, target_ulong rt, \ | |
1809 | CPUMIPSState *env) \ | |
1810 | { \ | |
1811 | uint16_t rth, rtl; \ | |
1812 | \ | |
1813 | sa = sa & 0x0F; \ | |
1814 | \ | |
1815 | MIPSDSP_SPLIT32_16(rt, rth, rtl); \ | |
1816 | \ | |
1817 | rth = mipsdsp_##func(rth, sa, env); \ | |
1818 | rtl = mipsdsp_##func(rtl, sa, env); \ | |
1819 | \ | |
1820 | return MIPSDSP_RETURN32_16(rth, rtl); \ | |
1821 | } | |
1822 | ||
1823 | SHIFT_PH(shll, lshift16); | |
1824 | SHIFT_PH(shll_s, sat16_lshift); | |
1825 | ||
1826 | #undef SHIFT_PH | |
1827 | ||
1828 | #if defined(TARGET_MIPS64) | |
1829 | #define SHIFT_QH(name, func) \ | |
1830 | target_ulong helper_##name##_qh(target_ulong rt, target_ulong sa) \ | |
1831 | { \ | |
1832 | uint16_t rt3, rt2, rt1, rt0; \ | |
1833 | \ | |
1834 | sa = sa & 0x0F; \ | |
1835 | \ | |
1836 | MIPSDSP_SPLIT64_16(rt, rt3, rt2, rt1, rt0); \ | |
1837 | \ | |
1838 | rt3 = mipsdsp_##func(rt3, sa); \ | |
1839 | rt2 = mipsdsp_##func(rt2, sa); \ | |
1840 | rt1 = mipsdsp_##func(rt1, sa); \ | |
1841 | rt0 = mipsdsp_##func(rt0, sa); \ | |
1842 | \ | |
1843 | return MIPSDSP_RETURN64_16(rt3, rt2, rt1, rt0); \ | |
1844 | } | |
1845 | ||
1846 | #define SHIFT_QH_ENV(name, func) \ | |
1847 | target_ulong helper_##name##_qh(target_ulong rt, target_ulong sa, \ | |
1848 | CPUMIPSState *env) \ | |
1849 | { \ | |
1850 | uint16_t rt3, rt2, rt1, rt0; \ | |
1851 | \ | |
1852 | sa = sa & 0x0F; \ | |
1853 | \ | |
1854 | MIPSDSP_SPLIT64_16(rt, rt3, rt2, rt1, rt0); \ | |
1855 | \ | |
1856 | rt3 = mipsdsp_##func(rt3, sa, env); \ | |
1857 | rt2 = mipsdsp_##func(rt2, sa, env); \ | |
1858 | rt1 = mipsdsp_##func(rt1, sa, env); \ | |
1859 | rt0 = mipsdsp_##func(rt0, sa, env); \ | |
1860 | \ | |
1861 | return MIPSDSP_RETURN64_16(rt3, rt2, rt1, rt0); \ | |
1862 | } | |
1863 | ||
1864 | SHIFT_QH_ENV(shll, lshift16); | |
1865 | SHIFT_QH_ENV(shll_s, sat16_lshift); | |
1866 | ||
1867 | SHIFT_QH(shrl, rshift_u16); | |
1868 | SHIFT_QH(shra, rashift16); | |
1869 | SHIFT_QH(shra_r, rnd16_rashift); | |
1870 | ||
1871 | #undef SHIFT_QH | |
1872 | #undef SHIFT_QH_ENV | |
1873 | ||
1874 | #endif | |
1875 | ||
1876 | #define SHIFT_W(name, func) \ | |
1877 | target_ulong helper_##name##_w(target_ulong sa, target_ulong rt) \ | |
1878 | { \ | |
1879 | uint32_t temp; \ | |
1880 | \ | |
1881 | sa = sa & 0x1F; \ | |
1882 | temp = mipsdsp_##func(rt, sa); \ | |
1883 | \ | |
1884 | return (target_long)(int32_t)temp; \ | |
1885 | } | |
1886 | ||
1887 | #define SHIFT_W_ENV(name, func) \ | |
1888 | target_ulong helper_##name##_w(target_ulong sa, target_ulong rt, \ | |
1889 | CPUMIPSState *env) \ | |
1890 | { \ | |
1891 | uint32_t temp; \ | |
1892 | \ | |
1893 | sa = sa & 0x1F; \ | |
1894 | temp = mipsdsp_##func(rt, sa, env); \ | |
1895 | \ | |
1896 | return (target_long)(int32_t)temp; \ | |
1897 | } | |
1898 | ||
1899 | SHIFT_W_ENV(shll_s, sat32_lshift); | |
1900 | SHIFT_W(shra_r, rnd32_rashift); | |
1901 | ||
1902 | #undef SHIFT_W | |
1903 | #undef SHIFT_W_ENV | |
1904 | ||
1905 | #if defined(TARGET_MIPS64) | |
1906 | #define SHIFT_PW(name, func) \ | |
1907 | target_ulong helper_##name##_pw(target_ulong rt, target_ulong sa) \ | |
1908 | { \ | |
1909 | uint32_t rt1, rt0; \ | |
1910 | \ | |
1911 | sa = sa & 0x1F; \ | |
1912 | MIPSDSP_SPLIT64_32(rt, rt1, rt0); \ | |
1913 | \ | |
1914 | rt1 = mipsdsp_##func(rt1, sa); \ | |
1915 | rt0 = mipsdsp_##func(rt0, sa); \ | |
1916 | \ | |
1917 | return MIPSDSP_RETURN64_32(rt1, rt0); \ | |
1918 | } | |
1919 | ||
1920 | #define SHIFT_PW_ENV(name, func) \ | |
1921 | target_ulong helper_##name##_pw(target_ulong rt, target_ulong sa, \ | |
1922 | CPUMIPSState *env) \ | |
1923 | { \ | |
1924 | uint32_t rt1, rt0; \ | |
1925 | \ | |
1926 | sa = sa & 0x1F; \ | |
1927 | MIPSDSP_SPLIT64_32(rt, rt1, rt0); \ | |
1928 | \ | |
1929 | rt1 = mipsdsp_##func(rt1, sa, env); \ | |
1930 | rt0 = mipsdsp_##func(rt0, sa, env); \ | |
1931 | \ | |
1932 | return MIPSDSP_RETURN64_32(rt1, rt0); \ | |
1933 | } | |
1934 | ||
1935 | SHIFT_PW_ENV(shll, lshift32); | |
1936 | SHIFT_PW_ENV(shll_s, sat32_lshift); | |
1937 | ||
1938 | SHIFT_PW(shra, rashift32); | |
1939 | SHIFT_PW(shra_r, rnd32_rashift); | |
1940 | ||
1941 | #undef SHIFT_PW | |
1942 | #undef SHIFT_PW_ENV | |
1943 | ||
1944 | #endif | |
1945 | ||
1946 | #define SHIFT_PH(name, func) \ | |
1947 | target_ulong helper_##name##_ph(target_ulong sa, target_ulong rt) \ | |
1948 | { \ | |
1949 | uint16_t rth, rtl; \ | |
1950 | \ | |
1951 | sa = sa & 0x0F; \ | |
1952 | \ | |
1953 | MIPSDSP_SPLIT32_16(rt, rth, rtl); \ | |
1954 | \ | |
1955 | rth = mipsdsp_##func(rth, sa); \ | |
1956 | rtl = mipsdsp_##func(rtl, sa); \ | |
1957 | \ | |
1958 | return MIPSDSP_RETURN32_16(rth, rtl); \ | |
1959 | } | |
1960 | ||
1961 | SHIFT_PH(shrl, rshift_u16); | |
1962 | SHIFT_PH(shra, rashift16); | |
1963 | SHIFT_PH(shra_r, rnd16_rashift); | |
1964 | ||
1965 | #undef SHIFT_PH | |
1966 | ||
a22260ae JL |
1967 | /** DSP Multiply Sub-class insns **/ |
1968 | /* Return value made up by two 16bits value. | |
1969 | * FIXME give the macro a better name. | |
1970 | */ | |
1971 | #define MUL_RETURN32_16_PH(name, func, \ | |
1972 | rsmov1, rsmov2, rsfilter, \ | |
1973 | rtmov1, rtmov2, rtfilter) \ | |
1974 | target_ulong helper_##name(target_ulong rs, target_ulong rt, \ | |
1975 | CPUMIPSState *env) \ | |
1976 | { \ | |
1977 | uint16_t rsB, rsA, rtB, rtA; \ | |
1978 | \ | |
1979 | rsB = (rs >> rsmov1) & rsfilter; \ | |
1980 | rsA = (rs >> rsmov2) & rsfilter; \ | |
1981 | rtB = (rt >> rtmov1) & rtfilter; \ | |
1982 | rtA = (rt >> rtmov2) & rtfilter; \ | |
1983 | \ | |
1984 | rsB = mipsdsp_##func(rsB, rtB, env); \ | |
1985 | rsA = mipsdsp_##func(rsA, rtA, env); \ | |
1986 | \ | |
1987 | return MIPSDSP_RETURN32_16(rsB, rsA); \ | |
1988 | } | |
1989 | ||
1990 | MUL_RETURN32_16_PH(muleu_s_ph_qbl, mul_u8_u16, \ | |
1991 | 24, 16, MIPSDSP_Q0, \ | |
1992 | 16, 0, MIPSDSP_LO); | |
1993 | MUL_RETURN32_16_PH(muleu_s_ph_qbr, mul_u8_u16, \ | |
1994 | 8, 0, MIPSDSP_Q0, \ | |
1995 | 16, 0, MIPSDSP_LO); | |
1996 | MUL_RETURN32_16_PH(mulq_rs_ph, rndq15_mul_q15_q15, \ | |
1997 | 16, 0, MIPSDSP_LO, \ | |
1998 | 16, 0, MIPSDSP_LO); | |
1999 | MUL_RETURN32_16_PH(mul_ph, mul_i16_i16, \ | |
2000 | 16, 0, MIPSDSP_LO, \ | |
2001 | 16, 0, MIPSDSP_LO); | |
2002 | MUL_RETURN32_16_PH(mul_s_ph, sat16_mul_i16_i16, \ | |
2003 | 16, 0, MIPSDSP_LO, \ | |
2004 | 16, 0, MIPSDSP_LO); | |
2005 | MUL_RETURN32_16_PH(mulq_s_ph, sat16_mul_q15_q15, \ | |
2006 | 16, 0, MIPSDSP_LO, \ | |
2007 | 16, 0, MIPSDSP_LO); | |
2008 | ||
2009 | #undef MUL_RETURN32_16_PH | |
2010 | ||
2011 | #define MUL_RETURN32_32_ph(name, func, movbits) \ | |
2012 | target_ulong helper_##name(target_ulong rs, target_ulong rt, \ | |
2013 | CPUMIPSState *env) \ | |
2014 | { \ | |
2015 | int16_t rsh, rth; \ | |
2016 | int32_t temp; \ | |
2017 | \ | |
2018 | rsh = (rs >> movbits) & MIPSDSP_LO; \ | |
2019 | rth = (rt >> movbits) & MIPSDSP_LO; \ | |
2020 | temp = mipsdsp_##func(rsh, rth, env); \ | |
2021 | \ | |
2022 | return (target_long)(int32_t)temp; \ | |
2023 | } | |
2024 | ||
2025 | MUL_RETURN32_32_ph(muleq_s_w_phl, mul_q15_q15_overflowflag21, 16); | |
2026 | MUL_RETURN32_32_ph(muleq_s_w_phr, mul_q15_q15_overflowflag21, 0); | |
2027 | ||
2028 | #undef MUL_RETURN32_32_ph | |
2029 | ||
2030 | #define MUL_VOID_PH(name, use_ac_env) \ | |
2031 | void helper_##name(uint32_t ac, target_ulong rs, target_ulong rt, \ | |
2032 | CPUMIPSState *env) \ | |
2033 | { \ | |
2034 | int16_t rsh, rsl, rth, rtl; \ | |
2035 | int32_t tempB, tempA; \ | |
2036 | int64_t acc, dotp; \ | |
2037 | \ | |
2038 | MIPSDSP_SPLIT32_16(rs, rsh, rsl); \ | |
2039 | MIPSDSP_SPLIT32_16(rt, rth, rtl); \ | |
2040 | \ | |
2041 | if (use_ac_env == 1) { \ | |
2042 | tempB = mipsdsp_mul_q15_q15(ac, rsh, rth, env); \ | |
2043 | tempA = mipsdsp_mul_q15_q15(ac, rsl, rtl, env); \ | |
2044 | } else { \ | |
2045 | tempB = mipsdsp_mul_u16_u16(rsh, rth); \ | |
2046 | tempA = mipsdsp_mul_u16_u16(rsl, rtl); \ | |
2047 | } \ | |
2048 | \ | |
2049 | dotp = (int64_t)tempB - (int64_t)tempA; \ | |
2050 | acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \ | |
2051 | ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO); \ | |
2052 | dotp = dotp + acc; \ | |
2053 | env->active_tc.HI[ac] = (target_long)(int32_t) \ | |
2054 | ((dotp & MIPSDSP_LHI) >> 32); \ | |
2055 | env->active_tc.LO[ac] = (target_long)(int32_t)(dotp & MIPSDSP_LLO); \ | |
2056 | } | |
2057 | ||
2058 | MUL_VOID_PH(mulsaq_s_w_ph, 1); | |
2059 | MUL_VOID_PH(mulsa_w_ph, 0); | |
2060 | ||
2061 | #undef MUL_VOID_PH | |
2062 | ||
2063 | #if defined(TARGET_MIPS64) | |
2064 | #define MUL_RETURN64_16_QH(name, func, \ | |
2065 | rsmov1, rsmov2, rsmov3, rsmov4, rsfilter, \ | |
2066 | rtmov1, rtmov2, rtmov3, rtmov4, rtfilter) \ | |
2067 | target_ulong helper_##name(target_ulong rs, target_ulong rt, \ | |
2068 | CPUMIPSState *env) \ | |
2069 | { \ | |
2070 | uint16_t rs3, rs2, rs1, rs0; \ | |
2071 | uint16_t rt3, rt2, rt1, rt0; \ | |
2072 | uint16_t tempD, tempC, tempB, tempA; \ | |
2073 | \ | |
2074 | rs3 = (rs >> rsmov1) & rsfilter; \ | |
2075 | rs2 = (rs >> rsmov2) & rsfilter; \ | |
2076 | rs1 = (rs >> rsmov3) & rsfilter; \ | |
2077 | rs0 = (rs >> rsmov4) & rsfilter; \ | |
2078 | rt3 = (rt >> rtmov1) & rtfilter; \ | |
2079 | rt2 = (rt >> rtmov2) & rtfilter; \ | |
2080 | rt1 = (rt >> rtmov3) & rtfilter; \ | |
2081 | rt0 = (rt >> rtmov4) & rtfilter; \ | |
2082 | \ | |
2083 | tempD = mipsdsp_##func(rs3, rt3, env); \ | |
2084 | tempC = mipsdsp_##func(rs2, rt2, env); \ | |
2085 | tempB = mipsdsp_##func(rs1, rt1, env); \ | |
2086 | tempA = mipsdsp_##func(rs0, rt0, env); \ | |
2087 | \ | |
2088 | return MIPSDSP_RETURN64_16(tempD, tempC, tempB, tempA); \ | |
2089 | } | |
2090 | ||
2091 | MUL_RETURN64_16_QH(muleu_s_qh_obl, mul_u8_u16, \ | |
2092 | 56, 48, 40, 32, MIPSDSP_Q0, \ | |
2093 | 48, 32, 16, 0, MIPSDSP_LO); | |
2094 | MUL_RETURN64_16_QH(muleu_s_qh_obr, mul_u8_u16, \ | |
2095 | 24, 16, 8, 0, MIPSDSP_Q0, \ | |
2096 | 48, 32, 16, 0, MIPSDSP_LO); | |
2097 | MUL_RETURN64_16_QH(mulq_rs_qh, rndq15_mul_q15_q15, \ | |
2098 | 48, 32, 16, 0, MIPSDSP_LO, \ | |
2099 | 48, 32, 16, 0, MIPSDSP_LO); | |
2100 | ||
2101 | #undef MUL_RETURN64_16_QH | |
2102 | ||
2103 | #define MUL_RETURN64_32_QH(name, \ | |
2104 | rsmov1, rsmov2, \ | |
2105 | rtmov1, rtmov2) \ | |
2106 | target_ulong helper_##name(target_ulong rs, target_ulong rt, \ | |
2107 | CPUMIPSState *env) \ | |
2108 | { \ | |
2109 | uint16_t rsB, rsA; \ | |
2110 | uint16_t rtB, rtA; \ | |
2111 | uint32_t tempB, tempA; \ | |
2112 | \ | |
2113 | rsB = (rs >> rsmov1) & MIPSDSP_LO; \ | |
2114 | rsA = (rs >> rsmov2) & MIPSDSP_LO; \ | |
2115 | rtB = (rt >> rtmov1) & MIPSDSP_LO; \ | |
2116 | rtA = (rt >> rtmov2) & MIPSDSP_LO; \ | |
2117 | \ | |
2118 | tempB = mipsdsp_mul_q15_q15(5, rsB, rtB, env); \ | |
2119 | tempA = mipsdsp_mul_q15_q15(5, rsA, rtA, env); \ | |
2120 | \ | |
2121 | return ((uint64_t)tempB << 32) | (uint64_t)tempA; \ | |
2122 | } | |
2123 | ||
2124 | MUL_RETURN64_32_QH(muleq_s_pw_qhl, 48, 32, 48, 32); | |
2125 | MUL_RETURN64_32_QH(muleq_s_pw_qhr, 16, 0, 16, 0); | |
2126 | ||
2127 | #undef MUL_RETURN64_32_QH | |
2128 | ||
2129 | void helper_mulsaq_s_w_qh(target_ulong rs, target_ulong rt, uint32_t ac, | |
2130 | CPUMIPSState *env) | |
2131 | { | |
2132 | int16_t rs3, rs2, rs1, rs0; | |
2133 | int16_t rt3, rt2, rt1, rt0; | |
2134 | int32_t tempD, tempC, tempB, tempA; | |
2135 | int64_t acc[2]; | |
2136 | int64_t temp[2]; | |
2137 | int64_t temp_sum; | |
2138 | ||
2139 | MIPSDSP_SPLIT64_16(rs, rs3, rs2, rs1, rs0); | |
2140 | MIPSDSP_SPLIT64_16(rt, rt3, rt2, rt1, rt0); | |
2141 | ||
2142 | tempD = mipsdsp_mul_q15_q15(ac, rs3, rt3, env); | |
2143 | tempC = mipsdsp_mul_q15_q15(ac, rs2, rt2, env); | |
2144 | tempB = mipsdsp_mul_q15_q15(ac, rs1, rt1, env); | |
2145 | tempA = mipsdsp_mul_q15_q15(ac, rs0, rt0, env); | |
2146 | ||
2147 | temp[0] = ((int32_t)tempD - (int32_t)tempC) + | |
2148 | ((int32_t)tempB - (int32_t)tempA); | |
2149 | temp[0] = (int64_t)(temp[0] << 30) >> 30; | |
2150 | if (((temp[0] >> 33) & 0x01) == 0) { | |
2151 | temp[1] = 0x00; | |
2152 | } else { | |
2153 | temp[1] = ~0ull; | |
2154 | } | |
2155 | ||
2156 | acc[0] = env->active_tc.LO[ac]; | |
2157 | acc[1] = env->active_tc.HI[ac]; | |
2158 | ||
2159 | temp_sum = acc[0] + temp[0]; | |
2160 | if (((uint64_t)temp_sum < (uint64_t)acc[0]) && | |
2161 | ((uint64_t)temp_sum < (uint64_t)temp[0])) { | |
2162 | acc[1] += 1; | |
2163 | } | |
2164 | acc[0] = temp_sum; | |
2165 | acc[1] += temp[1]; | |
2166 | ||
2167 | env->active_tc.HI[ac] = acc[1]; | |
2168 | env->active_tc.LO[ac] = acc[0]; | |
2169 | } | |
2170 | #endif | |
2171 | ||
2172 | #define DP_QB(name, func, is_add, rsmov1, rsmov2, rtmov1, rtmov2) \ | |
2173 | void helper_##name(uint32_t ac, target_ulong rs, target_ulong rt, \ | |
2174 | CPUMIPSState *env) \ | |
2175 | { \ | |
2176 | uint8_t rs3, rs2; \ | |
2177 | uint8_t rt3, rt2; \ | |
2178 | uint16_t tempB, tempA; \ | |
2179 | uint64_t tempC, dotp; \ | |
2180 | \ | |
2181 | rs3 = (rs >> rsmov1) & MIPSDSP_Q0; \ | |
2182 | rs2 = (rs >> rsmov2) & MIPSDSP_Q0; \ | |
2183 | rt3 = (rt >> rtmov1) & MIPSDSP_Q0; \ | |
2184 | rt2 = (rt >> rtmov2) & MIPSDSP_Q0; \ | |
2185 | tempB = mipsdsp_##func(rs3, rt3); \ | |
2186 | tempA = mipsdsp_##func(rs2, rt2); \ | |
2187 | dotp = (int64_t)tempB + (int64_t)tempA; \ | |
2188 | if (is_add) { \ | |
2189 | tempC = (((uint64_t)env->active_tc.HI[ac] << 32) | \ | |
2190 | ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO)) \ | |
2191 | + dotp; \ | |
2192 | } else { \ | |
2193 | tempC = (((uint64_t)env->active_tc.HI[ac] << 32) | \ | |
2194 | ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO)) \ | |
2195 | - dotp; \ | |
2196 | } \ | |
2197 | \ | |
2198 | env->active_tc.HI[ac] = (target_long)(int32_t) \ | |
2199 | ((tempC & MIPSDSP_LHI) >> 32); \ | |
2200 | env->active_tc.LO[ac] = (target_long)(int32_t)(tempC & MIPSDSP_LLO); \ | |
2201 | } | |
2202 | ||
2203 | DP_QB(dpau_h_qbl, mul_u8_u8, 1, 24, 16, 24, 16); | |
2204 | DP_QB(dpau_h_qbr, mul_u8_u8, 1, 8, 0, 8, 0); | |
2205 | DP_QB(dpsu_h_qbl, mul_u8_u8, 0, 24, 16, 24, 16); | |
2206 | DP_QB(dpsu_h_qbr, mul_u8_u8, 0, 8, 0, 8, 0); | |
2207 | ||
2208 | #undef DP_QB | |
2209 | ||
2210 | #if defined(TARGET_MIPS64) | |
2211 | #define DP_OB(name, add_sub, \ | |
2212 | rsmov1, rsmov2, rsmov3, rsmov4, \ | |
2213 | rtmov1, rtmov2, rtmov3, rtmov4) \ | |
2214 | void helper_##name(target_ulong rs, target_ulong rt, uint32_t ac, \ | |
2215 | CPUMIPSState *env) \ | |
2216 | { \ | |
2217 | uint8_t rsD, rsC, rsB, rsA; \ | |
2218 | uint8_t rtD, rtC, rtB, rtA; \ | |
2219 | uint16_t tempD, tempC, tempB, tempA; \ | |
2220 | uint64_t temp[2]; \ | |
2221 | uint64_t acc[2]; \ | |
2222 | uint64_t temp_sum; \ | |
2223 | \ | |
2224 | temp[0] = 0; \ | |
2225 | temp[1] = 0; \ | |
2226 | \ | |
2227 | rsD = (rs >> rsmov1) & MIPSDSP_Q0; \ | |
2228 | rsC = (rs >> rsmov2) & MIPSDSP_Q0; \ | |
2229 | rsB = (rs >> rsmov3) & MIPSDSP_Q0; \ | |
2230 | rsA = (rs >> rsmov4) & MIPSDSP_Q0; \ | |
2231 | rtD = (rt >> rtmov1) & MIPSDSP_Q0; \ | |
2232 | rtC = (rt >> rtmov2) & MIPSDSP_Q0; \ | |
2233 | rtB = (rt >> rtmov3) & MIPSDSP_Q0; \ | |
2234 | rtA = (rt >> rtmov4) & MIPSDSP_Q0; \ | |
2235 | \ | |
2236 | tempD = mipsdsp_mul_u8_u8(rsD, rtD); \ | |
2237 | tempC = mipsdsp_mul_u8_u8(rsC, rtC); \ | |
2238 | tempB = mipsdsp_mul_u8_u8(rsB, rtB); \ | |
2239 | tempA = mipsdsp_mul_u8_u8(rsA, rtA); \ | |
2240 | \ | |
2241 | temp[0] = (uint64_t)tempD + (uint64_t)tempC + \ | |
2242 | (uint64_t)tempB + (uint64_t)tempA; \ | |
2243 | \ | |
2244 | acc[0] = env->active_tc.LO[ac]; \ | |
2245 | acc[1] = env->active_tc.HI[ac]; \ | |
2246 | \ | |
2247 | if (add_sub) { \ | |
2248 | temp_sum = acc[0] + temp[0]; \ | |
2249 | if (((uint64_t)temp_sum < (uint64_t)acc[0]) && \ | |
2250 | ((uint64_t)temp_sum < (uint64_t)temp[0])) { \ | |
2251 | acc[1] += 1; \ | |
2252 | } \ | |
2253 | temp[0] = temp_sum; \ | |
2254 | temp[1] = acc[1] + temp[1]; \ | |
2255 | } else { \ | |
2256 | temp_sum = acc[0] - temp[0]; \ | |
2257 | if ((uint64_t)temp_sum > (uint64_t)acc[0]) { \ | |
2258 | acc[1] -= 1; \ | |
2259 | } \ | |
2260 | temp[0] = temp_sum; \ | |
2261 | temp[1] = acc[1] - temp[1]; \ | |
2262 | } \ | |
2263 | \ | |
2264 | env->active_tc.HI[ac] = temp[1]; \ | |
2265 | env->active_tc.LO[ac] = temp[0]; \ | |
2266 | } | |
2267 | ||
2268 | DP_OB(dpau_h_obl, 1, 56, 48, 40, 32, 56, 48, 40, 32); | |
2269 | DP_OB(dpau_h_obr, 1, 24, 16, 8, 0, 24, 16, 8, 0); | |
2270 | DP_OB(dpsu_h_obl, 0, 56, 48, 40, 32, 56, 48, 40, 32); | |
2271 | DP_OB(dpsu_h_obr, 0, 24, 16, 8, 0, 24, 16, 8, 0); | |
2272 | ||
2273 | #undef DP_OB | |
2274 | #endif | |
2275 | ||
2276 | #define DP_NOFUNC_PH(name, is_add, rsmov1, rsmov2, rtmov1, rtmov2) \ | |
2277 | void helper_##name(uint32_t ac, target_ulong rs, target_ulong rt, \ | |
2278 | CPUMIPSState *env) \ | |
2279 | { \ | |
da1a4cef | 2280 | int16_t rsB, rsA, rtB, rtA; \ |
a22260ae JL |
2281 | int32_t tempA, tempB; \ |
2282 | int64_t acc; \ | |
2283 | \ | |
2284 | rsB = (rs >> rsmov1) & MIPSDSP_LO; \ | |
2285 | rsA = (rs >> rsmov2) & MIPSDSP_LO; \ | |
2286 | rtB = (rt >> rtmov1) & MIPSDSP_LO; \ | |
2287 | rtA = (rt >> rtmov2) & MIPSDSP_LO; \ | |
2288 | \ | |
2289 | tempB = (int32_t)rsB * (int32_t)rtB; \ | |
2290 | tempA = (int32_t)rsA * (int32_t)rtA; \ | |
2291 | \ | |
2292 | acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \ | |
2293 | ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO); \ | |
2294 | \ | |
2295 | if (is_add) { \ | |
2296 | acc = acc + ((int64_t)tempB + (int64_t)tempA); \ | |
2297 | } else { \ | |
2298 | acc = acc - ((int64_t)tempB + (int64_t)tempA); \ | |
2299 | } \ | |
2300 | \ | |
2301 | env->active_tc.HI[ac] = (target_long)(int32_t)((acc & MIPSDSP_LHI) >> 32); \ | |
2302 | env->active_tc.LO[ac] = (target_long)(int32_t)(acc & MIPSDSP_LLO); \ | |
2303 | } | |
2304 | ||
2305 | DP_NOFUNC_PH(dpa_w_ph, 1, 16, 0, 16, 0); | |
2306 | DP_NOFUNC_PH(dpax_w_ph, 1, 16, 0, 0, 16); | |
2307 | DP_NOFUNC_PH(dps_w_ph, 0, 16, 0, 16, 0); | |
2308 | DP_NOFUNC_PH(dpsx_w_ph, 0, 16, 0, 0, 16); | |
2309 | #undef DP_NOFUNC_PH | |
2310 | ||
2311 | #define DP_HASFUNC_PH(name, is_add, rsmov1, rsmov2, rtmov1, rtmov2) \ | |
2312 | void helper_##name(uint32_t ac, target_ulong rs, target_ulong rt, \ | |
2313 | CPUMIPSState *env) \ | |
2314 | { \ | |
2315 | int16_t rsB, rsA, rtB, rtA; \ | |
2316 | int32_t tempB, tempA; \ | |
2317 | int64_t acc, dotp; \ | |
2318 | \ | |
2319 | rsB = (rs >> rsmov1) & MIPSDSP_LO; \ | |
2320 | rsA = (rs >> rsmov2) & MIPSDSP_LO; \ | |
2321 | rtB = (rt >> rtmov1) & MIPSDSP_LO; \ | |
2322 | rtA = (rt >> rtmov2) & MIPSDSP_LO; \ | |
2323 | \ | |
2324 | tempB = mipsdsp_mul_q15_q15(ac, rsB, rtB, env); \ | |
2325 | tempA = mipsdsp_mul_q15_q15(ac, rsA, rtA, env); \ | |
2326 | \ | |
2327 | dotp = (int64_t)tempB + (int64_t)tempA; \ | |
2328 | acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \ | |
2329 | ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO); \ | |
2330 | \ | |
2331 | if (is_add) { \ | |
2332 | acc = acc + dotp; \ | |
2333 | } else { \ | |
2334 | acc = acc - dotp; \ | |
2335 | } \ | |
2336 | \ | |
2337 | env->active_tc.HI[ac] = (target_long)(int32_t) \ | |
2338 | ((acc & MIPSDSP_LHI) >> 32); \ | |
2339 | env->active_tc.LO[ac] = (target_long)(int32_t) \ | |
2340 | (acc & MIPSDSP_LLO); \ | |
2341 | } | |
2342 | ||
2343 | DP_HASFUNC_PH(dpaq_s_w_ph, 1, 16, 0, 16, 0); | |
2344 | DP_HASFUNC_PH(dpaqx_s_w_ph, 1, 16, 0, 0, 16); | |
2345 | DP_HASFUNC_PH(dpsq_s_w_ph, 0, 16, 0, 16, 0); | |
2346 | DP_HASFUNC_PH(dpsqx_s_w_ph, 0, 16, 0, 0, 16); | |
2347 | ||
2348 | #undef DP_HASFUNC_PH | |
2349 | ||
2350 | #define DP_128OPERATION_PH(name, is_add) \ | |
2351 | void helper_##name(uint32_t ac, target_ulong rs, target_ulong rt, \ | |
2352 | CPUMIPSState *env) \ | |
2353 | { \ | |
2354 | int16_t rsh, rsl, rth, rtl; \ | |
2355 | int32_t tempB, tempA, tempC62_31, tempC63; \ | |
2356 | int64_t acc, dotp, tempC; \ | |
2357 | \ | |
2358 | MIPSDSP_SPLIT32_16(rs, rsh, rsl); \ | |
2359 | MIPSDSP_SPLIT32_16(rt, rth, rtl); \ | |
2360 | \ | |
2361 | tempB = mipsdsp_mul_q15_q15(ac, rsh, rtl, env); \ | |
2362 | tempA = mipsdsp_mul_q15_q15(ac, rsl, rth, env); \ | |
2363 | \ | |
2364 | dotp = (int64_t)tempB + (int64_t)tempA; \ | |
2365 | acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \ | |
2366 | ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO); \ | |
2367 | if (is_add) { \ | |
2368 | tempC = acc + dotp; \ | |
2369 | } else { \ | |
2370 | tempC = acc - dotp; \ | |
2371 | } \ | |
2372 | tempC63 = (tempC >> 63) & 0x01; \ | |
2373 | tempC62_31 = (tempC >> 31) & 0xFFFFFFFF; \ | |
2374 | \ | |
2375 | if ((tempC63 == 0) && (tempC62_31 != 0x00000000)) { \ | |
2376 | tempC = 0x7FFFFFFF; \ | |
2377 | set_DSPControl_overflow_flag(1, 16 + ac, env); \ | |
2378 | } \ | |
2379 | \ | |
2380 | if ((tempC63 == 1) && (tempC62_31 != 0xFFFFFFFF)) { \ | |
2381 | tempC = (int64_t)(int32_t)0x80000000; \ | |
2382 | set_DSPControl_overflow_flag(1, 16 + ac, env); \ | |
2383 | } \ | |
2384 | \ | |
2385 | env->active_tc.HI[ac] = (target_long)(int32_t) \ | |
2386 | ((tempC & MIPSDSP_LHI) >> 32); \ | |
2387 | env->active_tc.LO[ac] = (target_long)(int32_t) \ | |
2388 | (tempC & MIPSDSP_LLO); \ | |
2389 | } | |
2390 | ||
2391 | DP_128OPERATION_PH(dpaqx_sa_w_ph, 1); | |
2392 | DP_128OPERATION_PH(dpsqx_sa_w_ph, 0); | |
2393 | ||
2394 | #undef DP_128OPERATION_HP | |
2395 | ||
2396 | #if defined(TARGET_MIPS64) | |
2397 | #define DP_QH(name, is_add, use_ac_env) \ | |
2398 | void helper_##name(target_ulong rs, target_ulong rt, uint32_t ac, \ | |
2399 | CPUMIPSState *env) \ | |
2400 | { \ | |
2401 | int32_t rs3, rs2, rs1, rs0; \ | |
2402 | int32_t rt3, rt2, rt1, rt0; \ | |
2403 | int32_t tempD, tempC, tempB, tempA; \ | |
2404 | int64_t acc[2]; \ | |
2405 | int64_t temp[2]; \ | |
2406 | int64_t temp_sum; \ | |
2407 | \ | |
2408 | MIPSDSP_SPLIT64_16(rs, rs3, rs2, rs1, rs0); \ | |
2409 | MIPSDSP_SPLIT64_16(rt, rt3, rt2, rt1, rt0); \ | |
2410 | \ | |
2411 | if (use_ac_env) { \ | |
2412 | tempD = mipsdsp_mul_q15_q15(ac, rs3, rt3, env); \ | |
2413 | tempC = mipsdsp_mul_q15_q15(ac, rs2, rt2, env); \ | |
2414 | tempB = mipsdsp_mul_q15_q15(ac, rs1, rt1, env); \ | |
2415 | tempA = mipsdsp_mul_q15_q15(ac, rs0, rt0, env); \ | |
2416 | } else { \ | |
2417 | tempD = mipsdsp_mul_u16_u16(rs3, rt3); \ | |
2418 | tempC = mipsdsp_mul_u16_u16(rs2, rt2); \ | |
2419 | tempB = mipsdsp_mul_u16_u16(rs1, rt1); \ | |
2420 | tempA = mipsdsp_mul_u16_u16(rs0, rt0); \ | |
2421 | } \ | |
2422 | \ | |
2423 | temp[0] = (int64_t)tempD + (int64_t)tempC + \ | |
2424 | (int64_t)tempB + (int64_t)tempA; \ | |
2425 | \ | |
2426 | if (temp[0] >= 0) { \ | |
2427 | temp[1] = 0; \ | |
2428 | } else { \ | |
2429 | temp[1] = ~0ull; \ | |
2430 | } \ | |
2431 | \ | |
2432 | acc[1] = env->active_tc.HI[ac]; \ | |
2433 | acc[0] = env->active_tc.LO[ac]; \ | |
2434 | \ | |
2435 | if (is_add) { \ | |
2436 | temp_sum = acc[0] + temp[0]; \ | |
2437 | if (((uint64_t)temp_sum < (uint64_t)acc[0]) && \ | |
2438 | ((uint64_t)temp_sum < (uint64_t)temp[0])) { \ | |
2439 | acc[1] = acc[1] + 1; \ | |
2440 | } \ | |
2441 | temp[0] = temp_sum; \ | |
2442 | temp[1] = acc[1] + temp[1]; \ | |
2443 | } else { \ | |
2444 | temp_sum = acc[0] - temp[0]; \ | |
2445 | if ((uint64_t)temp_sum > (uint64_t)acc[0]) { \ | |
2446 | acc[1] = acc[1] - 1; \ | |
2447 | } \ | |
2448 | temp[0] = temp_sum; \ | |
2449 | temp[1] = acc[1] - temp[1]; \ | |
2450 | } \ | |
2451 | \ | |
2452 | env->active_tc.HI[ac] = temp[1]; \ | |
2453 | env->active_tc.LO[ac] = temp[0]; \ | |
2454 | } | |
2455 | ||
2456 | DP_QH(dpa_w_qh, 1, 0); | |
2457 | DP_QH(dpaq_s_w_qh, 1, 1); | |
2458 | DP_QH(dps_w_qh, 0, 0); | |
2459 | DP_QH(dpsq_s_w_qh, 0, 1); | |
2460 | ||
2461 | #undef DP_QH | |
2462 | ||
2463 | #endif | |
2464 | ||
2465 | #define DP_L_W(name, is_add) \ | |
20c334a7 PJ |
2466 | void helper_##name(uint32_t ac, target_ulong rs, target_ulong rt, \ |
2467 | CPUMIPSState *env) \ | |
2468 | { \ | |
2469 | int32_t temp63; \ | |
2470 | int64_t dotp, acc; \ | |
2471 | uint64_t temp; \ | |
2472 | bool overflow; \ | |
2473 | \ | |
2474 | dotp = mipsdsp_mul_q31_q31(ac, rs, rt, env); \ | |
2475 | acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \ | |
2476 | ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO); \ | |
2477 | if (is_add) { \ | |
2478 | temp = acc + dotp; \ | |
2479 | overflow = MIPSDSP_OVERFLOW_ADD((uint64_t)acc, (uint64_t)dotp, \ | |
2480 | temp, (0x01ull << 63)); \ | |
2481 | } else { \ | |
2482 | temp = acc - dotp; \ | |
2483 | overflow = MIPSDSP_OVERFLOW_SUB((uint64_t)acc, (uint64_t)dotp, \ | |
2484 | temp, (0x01ull << 63)); \ | |
2485 | } \ | |
2486 | \ | |
2487 | if (overflow) { \ | |
2488 | temp63 = (temp >> 63) & 0x01; \ | |
2489 | if (temp63 == 1) { \ | |
2490 | temp = (0x01ull << 63) - 1; \ | |
2491 | } else { \ | |
2492 | temp = 0x01ull << 63; \ | |
2493 | } \ | |
2494 | \ | |
2495 | set_DSPControl_overflow_flag(1, 16 + ac, env); \ | |
2496 | } \ | |
2497 | \ | |
2498 | env->active_tc.HI[ac] = (target_long)(int32_t) \ | |
2499 | ((temp & MIPSDSP_LHI) >> 32); \ | |
2500 | env->active_tc.LO[ac] = (target_long)(int32_t) \ | |
2501 | (temp & MIPSDSP_LLO); \ | |
a22260ae JL |
2502 | } |
2503 | ||
2504 | DP_L_W(dpaq_sa_l_w, 1); | |
2505 | DP_L_W(dpsq_sa_l_w, 0); | |
2506 | ||
2507 | #undef DP_L_W | |
2508 | ||
2509 | #if defined(TARGET_MIPS64) | |
2510 | #define DP_L_PW(name, func) \ | |
2511 | void helper_##name(target_ulong rs, target_ulong rt, uint32_t ac, \ | |
2512 | CPUMIPSState *env) \ | |
2513 | { \ | |
2514 | int32_t rs1, rs0; \ | |
2515 | int32_t rt1, rt0; \ | |
2516 | int64_t tempB[2], tempA[2]; \ | |
2517 | int64_t temp[2]; \ | |
2518 | int64_t acc[2]; \ | |
2519 | int64_t temp_sum; \ | |
2520 | \ | |
2521 | temp[0] = 0; \ | |
2522 | temp[1] = 0; \ | |
2523 | \ | |
2524 | MIPSDSP_SPLIT64_32(rs, rs1, rs0); \ | |
2525 | MIPSDSP_SPLIT64_32(rt, rt1, rt0); \ | |
2526 | \ | |
2527 | tempB[0] = mipsdsp_mul_q31_q31(ac, rs1, rt1, env); \ | |
2528 | tempA[0] = mipsdsp_mul_q31_q31(ac, rs0, rt0, env); \ | |
2529 | \ | |
2530 | if (tempB[0] >= 0) { \ | |
2531 | tempB[1] = 0x00; \ | |
2532 | } else { \ | |
2533 | tempB[1] = ~0ull; \ | |
2534 | } \ | |
2535 | \ | |
2536 | if (tempA[0] >= 0) { \ | |
2537 | tempA[1] = 0x00; \ | |
2538 | } else { \ | |
2539 | tempA[1] = ~0ull; \ | |
2540 | } \ | |
2541 | \ | |
2542 | temp_sum = tempB[0] + tempA[0]; \ | |
2543 | if (((uint64_t)temp_sum < (uint64_t)tempB[0]) && \ | |
2544 | ((uint64_t)temp_sum < (uint64_t)tempA[0])) { \ | |
2545 | temp[1] += 1; \ | |
2546 | } \ | |
2547 | temp[0] = temp_sum; \ | |
2548 | temp[1] += tempB[1] + tempA[1]; \ | |
2549 | \ | |
2550 | mipsdsp_##func(acc, ac, temp, env); \ | |
2551 | \ | |
2552 | env->active_tc.HI[ac] = acc[1]; \ | |
2553 | env->active_tc.LO[ac] = acc[0]; \ | |
2554 | } | |
2555 | ||
2556 | DP_L_PW(dpaq_sa_l_pw, sat64_acc_add_q63); | |
2557 | DP_L_PW(dpsq_sa_l_pw, sat64_acc_sub_q63); | |
2558 | ||
2559 | #undef DP_L_PW | |
2560 | ||
2561 | void helper_mulsaq_s_l_pw(target_ulong rs, target_ulong rt, uint32_t ac, | |
2562 | CPUMIPSState *env) | |
2563 | { | |
2564 | int32_t rs1, rs0; | |
2565 | int32_t rt1, rt0; | |
2566 | int64_t tempB[2], tempA[2]; | |
2567 | int64_t temp[2]; | |
2568 | int64_t acc[2]; | |
2569 | int64_t temp_sum; | |
2570 | ||
2571 | rs1 = (rs >> 32) & MIPSDSP_LLO; | |
2572 | rs0 = rs & MIPSDSP_LLO; | |
2573 | rt1 = (rt >> 32) & MIPSDSP_LLO; | |
2574 | rt0 = rt & MIPSDSP_LLO; | |
2575 | ||
2576 | tempB[0] = mipsdsp_mul_q31_q31(ac, rs1, rt1, env); | |
2577 | tempA[0] = mipsdsp_mul_q31_q31(ac, rs0, rt0, env); | |
2578 | ||
2579 | if (tempB[0] >= 0) { | |
2580 | tempB[1] = 0x00; | |
2581 | } else { | |
2582 | tempB[1] = ~0ull; | |
2583 | } | |
2584 | ||
2585 | if (tempA[0] >= 0) { | |
2586 | tempA[1] = 0x00; | |
2587 | } else { | |
2588 | tempA[1] = ~0ull; | |
2589 | } | |
2590 | ||
2591 | acc[0] = env->active_tc.LO[ac]; | |
2592 | acc[1] = env->active_tc.HI[ac]; | |
2593 | ||
2594 | temp_sum = tempB[0] - tempA[0]; | |
2595 | if ((uint64_t)temp_sum > (uint64_t)tempB[0]) { | |
2596 | tempB[1] -= 1; | |
2597 | } | |
2598 | temp[0] = temp_sum; | |
2599 | temp[1] = tempB[1] - tempA[1]; | |
2600 | ||
2601 | if ((temp[1] & 0x01) == 0) { | |
2602 | temp[1] = 0x00; | |
2603 | } else { | |
2604 | temp[1] = ~0ull; | |
2605 | } | |
2606 | ||
2607 | temp_sum = acc[0] + temp[0]; | |
2608 | if (((uint64_t)temp_sum < (uint64_t)acc[0]) && | |
2609 | ((uint64_t)temp_sum < (uint64_t)temp[0])) { | |
2610 | acc[1] += 1; | |
2611 | } | |
2612 | acc[0] = temp_sum; | |
2613 | acc[1] += temp[1]; | |
2614 | ||
2615 | env->active_tc.HI[ac] = acc[1]; | |
2616 | env->active_tc.LO[ac] = acc[0]; | |
2617 | } | |
2618 | #endif | |
2619 | ||
2620 | #define MAQ_S_W(name, mov) \ | |
2621 | void helper_##name(uint32_t ac, target_ulong rs, target_ulong rt, \ | |
2622 | CPUMIPSState *env) \ | |
2623 | { \ | |
2624 | int16_t rsh, rth; \ | |
2625 | int32_t tempA; \ | |
2626 | int64_t tempL, acc; \ | |
2627 | \ | |
2628 | rsh = (rs >> mov) & MIPSDSP_LO; \ | |
2629 | rth = (rt >> mov) & MIPSDSP_LO; \ | |
2630 | tempA = mipsdsp_mul_q15_q15(ac, rsh, rth, env); \ | |
2631 | acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \ | |
2632 | ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO); \ | |
2633 | tempL = (int64_t)tempA + acc; \ | |
2634 | env->active_tc.HI[ac] = (target_long)(int32_t) \ | |
2635 | ((tempL & MIPSDSP_LHI) >> 32); \ | |
2636 | env->active_tc.LO[ac] = (target_long)(int32_t) \ | |
2637 | (tempL & MIPSDSP_LLO); \ | |
2638 | } | |
2639 | ||
2640 | MAQ_S_W(maq_s_w_phl, 16); | |
2641 | MAQ_S_W(maq_s_w_phr, 0); | |
2642 | ||
2643 | #undef MAQ_S_W | |
2644 | ||
2645 | #define MAQ_SA_W(name, mov) \ | |
2646 | void helper_##name(uint32_t ac, target_ulong rs, target_ulong rt, \ | |
2647 | CPUMIPSState *env) \ | |
2648 | { \ | |
2649 | int16_t rsh, rth; \ | |
2650 | int32_t tempA; \ | |
2651 | \ | |
2652 | rsh = (rs >> mov) & MIPSDSP_LO; \ | |
2653 | rth = (rt >> mov) & MIPSDSP_LO; \ | |
2654 | tempA = mipsdsp_mul_q15_q15(ac, rsh, rth, env); \ | |
2655 | tempA = mipsdsp_sat32_acc_q31(ac, tempA, env); \ | |
2656 | \ | |
2657 | env->active_tc.HI[ac] = (target_long)(int32_t)(((int64_t)tempA & \ | |
2658 | MIPSDSP_LHI) >> 32); \ | |
2659 | env->active_tc.LO[ac] = (target_long)(int32_t)((int64_t)tempA & \ | |
2660 | MIPSDSP_LLO); \ | |
2661 | } | |
2662 | ||
2663 | MAQ_SA_W(maq_sa_w_phl, 16); | |
2664 | MAQ_SA_W(maq_sa_w_phr, 0); | |
2665 | ||
2666 | #undef MAQ_SA_W | |
2667 | ||
2668 | #define MULQ_W(name, addvar) \ | |
2669 | target_ulong helper_##name(target_ulong rs, target_ulong rt, \ | |
2670 | CPUMIPSState *env) \ | |
2671 | { \ | |
a345481b | 2672 | int32_t rs_t, rt_t; \ |
a22260ae JL |
2673 | int32_t tempI; \ |
2674 | int64_t tempL; \ | |
2675 | \ | |
2676 | rs_t = rs & MIPSDSP_LLO; \ | |
2677 | rt_t = rt & MIPSDSP_LLO; \ | |
2678 | \ | |
2679 | if ((rs_t == 0x80000000) && (rt_t == 0x80000000)) { \ | |
2680 | tempL = 0x7FFFFFFF00000000ull; \ | |
2681 | set_DSPControl_overflow_flag(1, 21, env); \ | |
2682 | } else { \ | |
2683 | tempL = ((int64_t)rs_t * (int64_t)rt_t) << 1; \ | |
2684 | tempL += addvar; \ | |
2685 | } \ | |
2686 | tempI = (tempL & MIPSDSP_LHI) >> 32; \ | |
2687 | \ | |
2688 | return (target_long)(int32_t)tempI; \ | |
2689 | } | |
2690 | ||
2691 | MULQ_W(mulq_s_w, 0); | |
2692 | MULQ_W(mulq_rs_w, 0x80000000ull); | |
2693 | ||
2694 | #undef MULQ_W | |
2695 | ||
2696 | #if defined(TARGET_MIPS64) | |
2697 | ||
2698 | #define MAQ_S_W_QH(name, mov) \ | |
2699 | void helper_##name(target_ulong rs, target_ulong rt, uint32_t ac, \ | |
2700 | CPUMIPSState *env) \ | |
2701 | { \ | |
2702 | int16_t rs_t, rt_t; \ | |
2703 | int32_t temp_mul; \ | |
2704 | int64_t temp[2]; \ | |
2705 | int64_t acc[2]; \ | |
2706 | int64_t temp_sum; \ | |
2707 | \ | |
2708 | temp[0] = 0; \ | |
2709 | temp[1] = 0; \ | |
2710 | \ | |
2711 | rs_t = (rs >> mov) & MIPSDSP_LO; \ | |
2712 | rt_t = (rt >> mov) & MIPSDSP_LO; \ | |
2713 | temp_mul = mipsdsp_mul_q15_q15(ac, rs_t, rt_t, env); \ | |
2714 | \ | |
2715 | temp[0] = (int64_t)temp_mul; \ | |
2716 | if (temp[0] >= 0) { \ | |
2717 | temp[1] = 0x00; \ | |
2718 | } else { \ | |
2719 | temp[1] = ~0ull; \ | |
2720 | } \ | |
2721 | \ | |
2722 | acc[0] = env->active_tc.LO[ac]; \ | |
2723 | acc[1] = env->active_tc.HI[ac]; \ | |
2724 | \ | |
2725 | temp_sum = acc[0] + temp[0]; \ | |
2726 | if (((uint64_t)temp_sum < (uint64_t)acc[0]) && \ | |
2727 | ((uint64_t)temp_sum < (uint64_t)temp[0])) { \ | |
2728 | acc[1] += 1; \ | |
2729 | } \ | |
2730 | acc[0] = temp_sum; \ | |
2731 | acc[1] += temp[1]; \ | |
2732 | \ | |
2733 | env->active_tc.HI[ac] = acc[1]; \ | |
2734 | env->active_tc.LO[ac] = acc[0]; \ | |
2735 | } | |
2736 | ||
2737 | MAQ_S_W_QH(maq_s_w_qhll, 48); | |
2738 | MAQ_S_W_QH(maq_s_w_qhlr, 32); | |
2739 | MAQ_S_W_QH(maq_s_w_qhrl, 16); | |
2740 | MAQ_S_W_QH(maq_s_w_qhrr, 0); | |
2741 | ||
2742 | #undef MAQ_S_W_QH | |
2743 | ||
2744 | #define MAQ_SA_W(name, mov) \ | |
2745 | void helper_##name(target_ulong rs, target_ulong rt, uint32_t ac, \ | |
2746 | CPUMIPSState *env) \ | |
2747 | { \ | |
2748 | int16_t rs_t, rt_t; \ | |
2749 | int32_t temp; \ | |
2750 | int64_t acc[2]; \ | |
2751 | \ | |
2752 | rs_t = (rs >> mov) & MIPSDSP_LO; \ | |
2753 | rt_t = (rt >> mov) & MIPSDSP_LO; \ | |
2754 | temp = mipsdsp_mul_q15_q15(ac, rs_t, rt_t, env); \ | |
2755 | temp = mipsdsp_sat32_acc_q31(ac, temp, env); \ | |
2756 | \ | |
2757 | acc[0] = (int64_t)(int32_t)temp; \ | |
2758 | if (acc[0] >= 0) { \ | |
2759 | acc[1] = 0x00; \ | |
2760 | } else { \ | |
2761 | acc[1] = ~0ull; \ | |
2762 | } \ | |
2763 | \ | |
2764 | env->active_tc.HI[ac] = acc[1]; \ | |
2765 | env->active_tc.LO[ac] = acc[0]; \ | |
2766 | } | |
2767 | ||
2768 | MAQ_SA_W(maq_sa_w_qhll, 48); | |
2769 | MAQ_SA_W(maq_sa_w_qhlr, 32); | |
2770 | MAQ_SA_W(maq_sa_w_qhrl, 16); | |
2771 | MAQ_SA_W(maq_sa_w_qhrr, 0); | |
2772 | ||
2773 | #undef MAQ_SA_W | |
2774 | ||
2775 | #define MAQ_S_L_PW(name, mov) \ | |
2776 | void helper_##name(target_ulong rs, target_ulong rt, uint32_t ac, \ | |
2777 | CPUMIPSState *env) \ | |
2778 | { \ | |
2779 | int32_t rs_t, rt_t; \ | |
2780 | int64_t temp[2]; \ | |
2781 | int64_t acc[2]; \ | |
2782 | int64_t temp_sum; \ | |
2783 | \ | |
2784 | temp[0] = 0; \ | |
2785 | temp[1] = 0; \ | |
2786 | \ | |
2787 | rs_t = (rs >> mov) & MIPSDSP_LLO; \ | |
2788 | rt_t = (rt >> mov) & MIPSDSP_LLO; \ | |
2789 | \ | |
2790 | temp[0] = mipsdsp_mul_q31_q31(ac, rs_t, rt_t, env); \ | |
2791 | if (temp[0] >= 0) { \ | |
2792 | temp[1] = 0x00; \ | |
2793 | } else { \ | |
2794 | temp[1] = ~0ull; \ | |
2795 | } \ | |
2796 | \ | |
2797 | acc[0] = env->active_tc.LO[ac]; \ | |
2798 | acc[1] = env->active_tc.HI[ac]; \ | |
2799 | \ | |
2800 | temp_sum = acc[0] + temp[0]; \ | |
2801 | if (((uint64_t)temp_sum < (uint64_t)acc[0]) && \ | |
2802 | ((uint64_t)temp_sum < (uint64_t)temp[0])) { \ | |
2803 | acc[1] += 1; \ | |
2804 | } \ | |
2805 | acc[0] = temp_sum; \ | |
2806 | acc[1] += temp[1]; \ | |
2807 | \ | |
2808 | env->active_tc.HI[ac] = acc[1]; \ | |
2809 | env->active_tc.LO[ac] = acc[0]; \ | |
2810 | } | |
2811 | ||
2812 | MAQ_S_L_PW(maq_s_l_pwl, 32); | |
2813 | MAQ_S_L_PW(maq_s_l_pwr, 0); | |
2814 | ||
2815 | #undef MAQ_S_L_PW | |
2816 | ||
2817 | #define DM_OPERATE(name, func, is_add, sigext) \ | |
2818 | void helper_##name(target_ulong rs, target_ulong rt, uint32_t ac, \ | |
2819 | CPUMIPSState *env) \ | |
2820 | { \ | |
2821 | int32_t rs1, rs0; \ | |
2822 | int32_t rt1, rt0; \ | |
2823 | int64_t tempBL[2], tempAL[2]; \ | |
2824 | int64_t acc[2]; \ | |
2825 | int64_t temp[2]; \ | |
2826 | int64_t temp_sum; \ | |
2827 | \ | |
2828 | temp[0] = 0x00; \ | |
2829 | temp[1] = 0x00; \ | |
2830 | \ | |
2831 | MIPSDSP_SPLIT64_32(rs, rs1, rs0); \ | |
2832 | MIPSDSP_SPLIT64_32(rt, rt1, rt0); \ | |
2833 | \ | |
2834 | if (sigext) { \ | |
2835 | tempBL[0] = (int64_t)mipsdsp_##func(rs1, rt1); \ | |
2836 | tempAL[0] = (int64_t)mipsdsp_##func(rs0, rt0); \ | |
2837 | \ | |
2838 | if (tempBL[0] >= 0) { \ | |
2839 | tempBL[1] = 0x0; \ | |
2840 | } else { \ | |
2841 | tempBL[1] = ~0ull; \ | |
2842 | } \ | |
2843 | \ | |
2844 | if (tempAL[0] >= 0) { \ | |
2845 | tempAL[1] = 0x0; \ | |
2846 | } else { \ | |
2847 | tempAL[1] = ~0ull; \ | |
2848 | } \ | |
2849 | } else { \ | |
2850 | tempBL[0] = mipsdsp_##func(rs1, rt1); \ | |
2851 | tempAL[0] = mipsdsp_##func(rs0, rt0); \ | |
2852 | tempBL[1] = 0; \ | |
2853 | tempAL[1] = 0; \ | |
2854 | } \ | |
2855 | \ | |
2856 | acc[1] = env->active_tc.HI[ac]; \ | |
2857 | acc[0] = env->active_tc.LO[ac]; \ | |
2858 | \ | |
2859 | temp_sum = tempBL[0] + tempAL[0]; \ | |
2860 | if (((uint64_t)temp_sum < (uint64_t)tempBL[0]) && \ | |
2861 | ((uint64_t)temp_sum < (uint64_t)tempAL[0])) { \ | |
2862 | temp[1] += 1; \ | |
2863 | } \ | |
2864 | temp[0] = temp_sum; \ | |
2865 | temp[1] += tempBL[1] + tempAL[1]; \ | |
2866 | \ | |
2867 | if (is_add) { \ | |
2868 | temp_sum = acc[0] + temp[0]; \ | |
2869 | if (((uint64_t)temp_sum < (uint64_t)acc[0]) && \ | |
2870 | ((uint64_t)temp_sum < (uint64_t)temp[0])) { \ | |
2871 | acc[1] += 1; \ | |
2872 | } \ | |
2873 | temp[0] = temp_sum; \ | |
2874 | temp[1] = acc[1] + temp[1]; \ | |
2875 | } else { \ | |
2876 | temp_sum = acc[0] - temp[0]; \ | |
2877 | if ((uint64_t)temp_sum > (uint64_t)acc[0]) { \ | |
2878 | acc[1] -= 1; \ | |
2879 | } \ | |
2880 | temp[0] = temp_sum; \ | |
2881 | temp[1] = acc[1] - temp[1]; \ | |
2882 | } \ | |
2883 | \ | |
2884 | env->active_tc.HI[ac] = temp[1]; \ | |
2885 | env->active_tc.LO[ac] = temp[0]; \ | |
2886 | } | |
2887 | ||
2888 | DM_OPERATE(dmadd, mul_i32_i32, 1, 1); | |
2889 | DM_OPERATE(dmaddu, mul_u32_u32, 1, 0); | |
2890 | DM_OPERATE(dmsub, mul_i32_i32, 0, 1); | |
2891 | DM_OPERATE(dmsubu, mul_u32_u32, 0, 0); | |
2892 | #undef DM_OPERATE | |
2893 | #endif | |
2894 | ||
1cb6686c JL |
2895 | /** DSP Bit/Manipulation Sub-class insns **/ |
2896 | target_ulong helper_bitrev(target_ulong rt) | |
2897 | { | |
2898 | int32_t temp; | |
2899 | uint32_t rd; | |
2900 | int i; | |
2901 | ||
2902 | temp = rt & MIPSDSP_LO; | |
2903 | rd = 0; | |
2904 | for (i = 0; i < 16; i++) { | |
2905 | rd = (rd << 1) | (temp & 1); | |
2906 | temp = temp >> 1; | |
2907 | } | |
2908 | ||
2909 | return (target_ulong)rd; | |
2910 | } | |
2911 | ||
d8992825 | 2912 | #define BIT_INSV(name, posfilter, ret_type) \ |
1cb6686c JL |
2913 | target_ulong helper_##name(CPUMIPSState *env, target_ulong rs, \ |
2914 | target_ulong rt) \ | |
2915 | { \ | |
2916 | uint32_t pos, size, msb, lsb; \ | |
d8992825 PJ |
2917 | uint32_t const sizefilter = 0x3F; \ |
2918 | target_ulong temp; \ | |
1cb6686c JL |
2919 | target_ulong dspc; \ |
2920 | \ | |
2921 | dspc = env->active_tc.DSPControl; \ | |
2922 | \ | |
2923 | pos = dspc & posfilter; \ | |
2924 | size = (dspc >> 7) & sizefilter; \ | |
2925 | \ | |
2926 | msb = pos + size - 1; \ | |
2927 | lsb = pos; \ | |
2928 | \ | |
2929 | if (lsb > msb || (msb > TARGET_LONG_BITS)) { \ | |
2930 | return rt; \ | |
2931 | } \ | |
2932 | \ | |
d8992825 | 2933 | temp = deposit64(rt, pos, size, rs); \ |
1cb6686c JL |
2934 | \ |
2935 | return (target_long)(ret_type)temp; \ | |
2936 | } | |
2937 | ||
d8992825 | 2938 | BIT_INSV(insv, 0x1F, int32_t); |
1cb6686c | 2939 | #ifdef TARGET_MIPS64 |
d8992825 | 2940 | BIT_INSV(dinsv, 0x7F, target_long); |
1cb6686c JL |
2941 | #endif |
2942 | ||
2943 | #undef BIT_INSV | |
2944 | ||
2945 | ||
26690560 JL |
2946 | /** DSP Compare-Pick Sub-class insns **/ |
2947 | #define CMP_HAS_RET(name, func, split_num, filter, bit_size) \ | |
2948 | target_ulong helper_##name(target_ulong rs, target_ulong rt) \ | |
2949 | { \ | |
2950 | uint32_t rs_t, rt_t; \ | |
2951 | uint8_t cc; \ | |
2952 | uint32_t temp = 0; \ | |
2953 | int i; \ | |
2954 | \ | |
2955 | for (i = 0; i < split_num; i++) { \ | |
2956 | rs_t = (rs >> (bit_size * i)) & filter; \ | |
2957 | rt_t = (rt >> (bit_size * i)) & filter; \ | |
2958 | cc = mipsdsp_##func(rs_t, rt_t); \ | |
2959 | temp |= cc << i; \ | |
2960 | } \ | |
2961 | \ | |
2962 | return (target_ulong)temp; \ | |
2963 | } | |
2964 | ||
2965 | CMP_HAS_RET(cmpgu_eq_qb, cmpu_eq, 4, MIPSDSP_Q0, 8); | |
2966 | CMP_HAS_RET(cmpgu_lt_qb, cmpu_lt, 4, MIPSDSP_Q0, 8); | |
2967 | CMP_HAS_RET(cmpgu_le_qb, cmpu_le, 4, MIPSDSP_Q0, 8); | |
2968 | ||
2969 | #ifdef TARGET_MIPS64 | |
2970 | CMP_HAS_RET(cmpgu_eq_ob, cmpu_eq, 8, MIPSDSP_Q0, 8); | |
2971 | CMP_HAS_RET(cmpgu_lt_ob, cmpu_lt, 8, MIPSDSP_Q0, 8); | |
2972 | CMP_HAS_RET(cmpgu_le_ob, cmpu_le, 8, MIPSDSP_Q0, 8); | |
2973 | #endif | |
2974 | ||
2975 | #undef CMP_HAS_RET | |
2976 | ||
2977 | ||
2978 | #define CMP_NO_RET(name, func, split_num, filter, bit_size) \ | |
2979 | void helper_##name(target_ulong rs, target_ulong rt, \ | |
2980 | CPUMIPSState *env) \ | |
2981 | { \ | |
2982 | int##bit_size##_t rs_t, rt_t; \ | |
2983 | int##bit_size##_t flag = 0; \ | |
2984 | int##bit_size##_t cc; \ | |
2985 | int i; \ | |
2986 | \ | |
2987 | for (i = 0; i < split_num; i++) { \ | |
2988 | rs_t = (rs >> (bit_size * i)) & filter; \ | |
2989 | rt_t = (rt >> (bit_size * i)) & filter; \ | |
2990 | \ | |
2991 | cc = mipsdsp_##func((int32_t)rs_t, (int32_t)rt_t); \ | |
2992 | flag |= cc << i; \ | |
2993 | } \ | |
2994 | \ | |
2995 | set_DSPControl_24(flag, split_num, env); \ | |
2996 | } | |
2997 | ||
2998 | CMP_NO_RET(cmpu_eq_qb, cmpu_eq, 4, MIPSDSP_Q0, 8); | |
2999 | CMP_NO_RET(cmpu_lt_qb, cmpu_lt, 4, MIPSDSP_Q0, 8); | |
3000 | CMP_NO_RET(cmpu_le_qb, cmpu_le, 4, MIPSDSP_Q0, 8); | |
3001 | ||
3002 | CMP_NO_RET(cmp_eq_ph, cmp_eq, 2, MIPSDSP_LO, 16); | |
3003 | CMP_NO_RET(cmp_lt_ph, cmp_lt, 2, MIPSDSP_LO, 16); | |
3004 | CMP_NO_RET(cmp_le_ph, cmp_le, 2, MIPSDSP_LO, 16); | |
3005 | ||
3006 | #ifdef TARGET_MIPS64 | |
3007 | CMP_NO_RET(cmpu_eq_ob, cmpu_eq, 8, MIPSDSP_Q0, 8); | |
3008 | CMP_NO_RET(cmpu_lt_ob, cmpu_lt, 8, MIPSDSP_Q0, 8); | |
3009 | CMP_NO_RET(cmpu_le_ob, cmpu_le, 8, MIPSDSP_Q0, 8); | |
3010 | ||
3011 | CMP_NO_RET(cmp_eq_qh, cmp_eq, 4, MIPSDSP_LO, 16); | |
3012 | CMP_NO_RET(cmp_lt_qh, cmp_lt, 4, MIPSDSP_LO, 16); | |
3013 | CMP_NO_RET(cmp_le_qh, cmp_le, 4, MIPSDSP_LO, 16); | |
3014 | ||
3015 | CMP_NO_RET(cmp_eq_pw, cmp_eq, 2, MIPSDSP_LLO, 32); | |
3016 | CMP_NO_RET(cmp_lt_pw, cmp_lt, 2, MIPSDSP_LLO, 32); | |
3017 | CMP_NO_RET(cmp_le_pw, cmp_le, 2, MIPSDSP_LLO, 32); | |
3018 | #endif | |
3019 | #undef CMP_NO_RET | |
3020 | ||
3021 | #if defined(TARGET_MIPS64) | |
3022 | ||
3023 | #define CMPGDU_OB(name) \ | |
3024 | target_ulong helper_cmpgdu_##name##_ob(target_ulong rs, target_ulong rt, \ | |
3025 | CPUMIPSState *env) \ | |
3026 | { \ | |
3027 | int i; \ | |
3028 | uint8_t rs_t, rt_t; \ | |
3029 | uint32_t cond; \ | |
3030 | \ | |
3031 | cond = 0; \ | |
3032 | \ | |
3033 | for (i = 0; i < 8; i++) { \ | |
3034 | rs_t = (rs >> (8 * i)) & MIPSDSP_Q0; \ | |
3035 | rt_t = (rt >> (8 * i)) & MIPSDSP_Q0; \ | |
3036 | \ | |
3037 | if (mipsdsp_cmpu_##name(rs_t, rt_t)) { \ | |
3038 | cond |= 0x01 << i; \ | |
3039 | } \ | |
3040 | } \ | |
3041 | \ | |
3042 | set_DSPControl_24(cond, 8, env); \ | |
3043 | \ | |
3044 | return (uint64_t)cond; \ | |
3045 | } | |
3046 | ||
3047 | CMPGDU_OB(eq) | |
3048 | CMPGDU_OB(lt) | |
3049 | CMPGDU_OB(le) | |
3050 | #undef CMPGDU_OB | |
3051 | #endif | |
3052 | ||
3053 | #define PICK_INSN(name, split_num, filter, bit_size, ret32bit) \ | |
3054 | target_ulong helper_##name(target_ulong rs, target_ulong rt, \ | |
3055 | CPUMIPSState *env) \ | |
3056 | { \ | |
3057 | uint32_t rs_t, rt_t; \ | |
3058 | uint32_t cc; \ | |
3059 | target_ulong dsp; \ | |
3060 | int i; \ | |
3061 | target_ulong result = 0; \ | |
3062 | \ | |
3063 | dsp = env->active_tc.DSPControl; \ | |
3064 | for (i = 0; i < split_num; i++) { \ | |
3065 | rs_t = (rs >> (bit_size * i)) & filter; \ | |
3066 | rt_t = (rt >> (bit_size * i)) & filter; \ | |
3067 | cc = (dsp >> (24 + i)) & 0x01; \ | |
3068 | cc = cc == 1 ? rs_t : rt_t; \ | |
3069 | \ | |
3070 | result |= (target_ulong)cc << (bit_size * i); \ | |
3071 | } \ | |
3072 | \ | |
3073 | if (ret32bit) { \ | |
3074 | result = (target_long)(int32_t)(result & MIPSDSP_LLO); \ | |
3075 | } \ | |
3076 | \ | |
3077 | return result; \ | |
3078 | } | |
3079 | ||
3080 | PICK_INSN(pick_qb, 4, MIPSDSP_Q0, 8, 1); | |
3081 | PICK_INSN(pick_ph, 2, MIPSDSP_LO, 16, 1); | |
3082 | ||
3083 | #ifdef TARGET_MIPS64 | |
3084 | PICK_INSN(pick_ob, 8, MIPSDSP_Q0, 8, 0); | |
3085 | PICK_INSN(pick_qh, 4, MIPSDSP_LO, 16, 0); | |
3086 | PICK_INSN(pick_pw, 2, MIPSDSP_LLO, 32, 0); | |
3087 | #endif | |
3088 | #undef PICK_INSN | |
3089 | ||
26690560 JL |
3090 | target_ulong helper_packrl_ph(target_ulong rs, target_ulong rt) |
3091 | { | |
3092 | uint32_t rsl, rth; | |
3093 | ||
3094 | rsl = rs & MIPSDSP_LO; | |
3095 | rth = (rt & MIPSDSP_HI) >> 16; | |
3096 | ||
3097 | return (target_long)(int32_t)((rsl << 16) | rth); | |
3098 | } | |
3099 | ||
3100 | #if defined(TARGET_MIPS64) | |
3101 | target_ulong helper_packrl_pw(target_ulong rs, target_ulong rt) | |
3102 | { | |
3103 | uint32_t rs0, rt1; | |
3104 | ||
3105 | rs0 = rs & MIPSDSP_LLO; | |
3106 | rt1 = (rt >> 32) & MIPSDSP_LLO; | |
3107 | ||
3108 | return ((uint64_t)rs0 << 32) | (uint64_t)rt1; | |
3109 | } | |
3110 | #endif | |
3111 | ||
b53371ed JL |
3112 | /** DSP Accumulator and DSPControl Access Sub-class insns **/ |
3113 | target_ulong helper_extr_w(target_ulong ac, target_ulong shift, | |
3114 | CPUMIPSState *env) | |
3115 | { | |
3116 | int32_t tempI; | |
3117 | int64_t tempDL[2]; | |
3118 | ||
b8abbbe8 | 3119 | shift = shift & 0x1F; |
b53371ed JL |
3120 | |
3121 | mipsdsp_rndrashift_short_acc(tempDL, ac, shift, env); | |
3122 | if ((tempDL[1] != 0 || (tempDL[0] & MIPSDSP_LHI) != 0) && | |
3123 | (tempDL[1] != 1 || (tempDL[0] & MIPSDSP_LHI) != MIPSDSP_LHI)) { | |
3124 | set_DSPControl_overflow_flag(1, 23, env); | |
3125 | } | |
3126 | ||
3127 | tempI = (tempDL[0] >> 1) & MIPSDSP_LLO; | |
3128 | ||
3129 | tempDL[0] += 1; | |
3130 | if (tempDL[0] == 0) { | |
3131 | tempDL[1] += 1; | |
3132 | } | |
3133 | ||
8b758d05 PJ |
3134 | if (((tempDL[1] & 0x01) != 0 || (tempDL[0] & MIPSDSP_LHI) != 0) && |
3135 | ((tempDL[1] & 0x01) != 1 || (tempDL[0] & MIPSDSP_LHI) != MIPSDSP_LHI)) { | |
b53371ed JL |
3136 | set_DSPControl_overflow_flag(1, 23, env); |
3137 | } | |
3138 | ||
3139 | return (target_long)tempI; | |
3140 | } | |
3141 | ||
3142 | target_ulong helper_extr_r_w(target_ulong ac, target_ulong shift, | |
3143 | CPUMIPSState *env) | |
3144 | { | |
3145 | int64_t tempDL[2]; | |
3146 | ||
b8abbbe8 | 3147 | shift = shift & 0x1F; |
b53371ed JL |
3148 | |
3149 | mipsdsp_rndrashift_short_acc(tempDL, ac, shift, env); | |
3150 | if ((tempDL[1] != 0 || (tempDL[0] & MIPSDSP_LHI) != 0) && | |
3151 | (tempDL[1] != 1 || (tempDL[0] & MIPSDSP_LHI) != MIPSDSP_LHI)) { | |
3152 | set_DSPControl_overflow_flag(1, 23, env); | |
3153 | } | |
3154 | ||
3155 | tempDL[0] += 1; | |
3156 | if (tempDL[0] == 0) { | |
3157 | tempDL[1] += 1; | |
3158 | } | |
3159 | ||
8b758d05 PJ |
3160 | if (((tempDL[1] & 0x01) != 0 || (tempDL[0] & MIPSDSP_LHI) != 0) && |
3161 | ((tempDL[1] & 0x01) != 1 || (tempDL[0] & MIPSDSP_LHI) != MIPSDSP_LHI)) { | |
b53371ed JL |
3162 | set_DSPControl_overflow_flag(1, 23, env); |
3163 | } | |
3164 | ||
3165 | return (target_long)(int32_t)(tempDL[0] >> 1); | |
3166 | } | |
3167 | ||
3168 | target_ulong helper_extr_rs_w(target_ulong ac, target_ulong shift, | |
3169 | CPUMIPSState *env) | |
3170 | { | |
3171 | int32_t tempI, temp64; | |
3172 | int64_t tempDL[2]; | |
3173 | ||
b8abbbe8 | 3174 | shift = shift & 0x1F; |
b53371ed JL |
3175 | |
3176 | mipsdsp_rndrashift_short_acc(tempDL, ac, shift, env); | |
3177 | if ((tempDL[1] != 0 || (tempDL[0] & MIPSDSP_LHI) != 0) && | |
3178 | (tempDL[1] != 1 || (tempDL[0] & MIPSDSP_LHI) != MIPSDSP_LHI)) { | |
3179 | set_DSPControl_overflow_flag(1, 23, env); | |
3180 | } | |
3181 | tempDL[0] += 1; | |
3182 | if (tempDL[0] == 0) { | |
3183 | tempDL[1] += 1; | |
3184 | } | |
3185 | tempI = tempDL[0] >> 1; | |
3186 | ||
8b758d05 PJ |
3187 | if (((tempDL[1] & 0x01) != 0 || (tempDL[0] & MIPSDSP_LHI) != 0) && |
3188 | ((tempDL[1] & 0x01) != 1 || (tempDL[0] & MIPSDSP_LHI) != MIPSDSP_LHI)) { | |
3189 | temp64 = tempDL[1] & 0x01; | |
b53371ed JL |
3190 | if (temp64 == 0) { |
3191 | tempI = 0x7FFFFFFF; | |
3192 | } else { | |
3193 | tempI = 0x80000000; | |
3194 | } | |
3195 | set_DSPControl_overflow_flag(1, 23, env); | |
3196 | } | |
3197 | ||
3198 | return (target_long)tempI; | |
3199 | } | |
3200 | ||
3201 | #if defined(TARGET_MIPS64) | |
3202 | target_ulong helper_dextr_w(target_ulong ac, target_ulong shift, | |
3203 | CPUMIPSState *env) | |
3204 | { | |
3205 | uint64_t temp[3]; | |
3206 | ||
3207 | shift = shift & 0x3F; | |
3208 | ||
3209 | mipsdsp_rndrashift_acc(temp, ac, shift, env); | |
3210 | ||
3211 | return (int64_t)(int32_t)(temp[0] >> 1); | |
3212 | } | |
3213 | ||
3214 | target_ulong helper_dextr_r_w(target_ulong ac, target_ulong shift, | |
3215 | CPUMIPSState *env) | |
3216 | { | |
3217 | uint64_t temp[3]; | |
3218 | uint32_t temp128; | |
3219 | ||
3220 | shift = shift & 0x3F; | |
3221 | mipsdsp_rndrashift_acc(temp, ac, shift, env); | |
3222 | ||
3223 | temp[0] += 1; | |
3224 | if (temp[0] == 0) { | |
3225 | temp[1] += 1; | |
3226 | if (temp[1] == 0) { | |
3227 | temp[2] += 1; | |
3228 | } | |
3229 | } | |
3230 | ||
3231 | temp128 = temp[2] & 0x01; | |
3232 | ||
3233 | if ((temp128 != 0 || temp[1] != 0) && | |
3234 | (temp128 != 1 || temp[1] != ~0ull)) { | |
3235 | set_DSPControl_overflow_flag(1, 23, env); | |
3236 | } | |
3237 | ||
3238 | return (int64_t)(int32_t)(temp[0] >> 1); | |
3239 | } | |
3240 | ||
3241 | target_ulong helper_dextr_rs_w(target_ulong ac, target_ulong shift, | |
3242 | CPUMIPSState *env) | |
3243 | { | |
3244 | uint64_t temp[3]; | |
3245 | uint32_t temp128; | |
3246 | ||
3247 | shift = shift & 0x3F; | |
3248 | mipsdsp_rndrashift_acc(temp, ac, shift, env); | |
3249 | ||
3250 | temp[0] += 1; | |
3251 | if (temp[0] == 0) { | |
3252 | temp[1] += 1; | |
3253 | if (temp[1] == 0) { | |
3254 | temp[2] += 1; | |
3255 | } | |
3256 | } | |
3257 | ||
3258 | temp128 = temp[2] & 0x01; | |
3259 | ||
3260 | if ((temp128 != 0 || temp[1] != 0) && | |
3261 | (temp128 != 1 || temp[1] != ~0ull)) { | |
3262 | if (temp128 == 0) { | |
3263 | temp[0] = 0x0FFFFFFFF; | |
3264 | } else { | |
1cfd981f | 3265 | temp[0] = 0x0100000000ULL; |
b53371ed JL |
3266 | } |
3267 | set_DSPControl_overflow_flag(1, 23, env); | |
3268 | } | |
3269 | ||
3270 | return (int64_t)(int32_t)(temp[0] >> 1); | |
3271 | } | |
3272 | ||
3273 | target_ulong helper_dextr_l(target_ulong ac, target_ulong shift, | |
3274 | CPUMIPSState *env) | |
3275 | { | |
3276 | uint64_t temp[3]; | |
3277 | target_ulong result; | |
3278 | ||
3279 | shift = shift & 0x3F; | |
3280 | ||
3281 | mipsdsp_rndrashift_acc(temp, ac, shift, env); | |
3282 | result = (temp[1] << 63) | (temp[0] >> 1); | |
3283 | ||
3284 | return result; | |
3285 | } | |
3286 | ||
3287 | target_ulong helper_dextr_r_l(target_ulong ac, target_ulong shift, | |
3288 | CPUMIPSState *env) | |
3289 | { | |
3290 | uint64_t temp[3]; | |
3291 | uint32_t temp128; | |
3292 | target_ulong result; | |
3293 | ||
3294 | shift = shift & 0x3F; | |
3295 | mipsdsp_rndrashift_acc(temp, ac, shift, env); | |
3296 | ||
3297 | temp[0] += 1; | |
3298 | if (temp[0] == 0) { | |
3299 | temp[1] += 1; | |
3300 | if (temp[1] == 0) { | |
3301 | temp[2] += 1; | |
3302 | } | |
3303 | } | |
3304 | ||
3305 | temp128 = temp[2] & 0x01; | |
3306 | ||
3307 | if ((temp128 != 0 || temp[1] != 0) && | |
3308 | (temp128 != 1 || temp[1] != ~0ull)) { | |
3309 | set_DSPControl_overflow_flag(1, 23, env); | |
3310 | } | |
3311 | ||
3312 | result = (temp[1] << 63) | (temp[0] >> 1); | |
3313 | ||
3314 | return result; | |
3315 | } | |
3316 | ||
3317 | target_ulong helper_dextr_rs_l(target_ulong ac, target_ulong shift, | |
3318 | CPUMIPSState *env) | |
3319 | { | |
3320 | uint64_t temp[3]; | |
3321 | uint32_t temp128; | |
3322 | target_ulong result; | |
3323 | ||
3324 | shift = shift & 0x3F; | |
3325 | mipsdsp_rndrashift_acc(temp, ac, shift, env); | |
3326 | ||
3327 | temp[0] += 1; | |
3328 | if (temp[0] == 0) { | |
3329 | temp[1] += 1; | |
3330 | if (temp[1] == 0) { | |
3331 | temp[2] += 1; | |
3332 | } | |
3333 | } | |
3334 | ||
3335 | temp128 = temp[2] & 0x01; | |
3336 | ||
3337 | if ((temp128 != 0 || temp[1] != 0) && | |
3338 | (temp128 != 1 || temp[1] != ~0ull)) { | |
3339 | if (temp128 == 0) { | |
3340 | temp[1] &= ~0x00ull - 1; | |
3341 | temp[0] |= ~0x00ull - 1; | |
3342 | } else { | |
3343 | temp[1] |= 0x01; | |
3344 | temp[0] &= 0x01; | |
3345 | } | |
3346 | set_DSPControl_overflow_flag(1, 23, env); | |
3347 | } | |
3348 | result = (temp[1] << 63) | (temp[0] >> 1); | |
3349 | ||
3350 | return result; | |
3351 | } | |
3352 | #endif | |
3353 | ||
3354 | target_ulong helper_extr_s_h(target_ulong ac, target_ulong shift, | |
3355 | CPUMIPSState *env) | |
3356 | { | |
b8abbbe8 PJ |
3357 | int64_t temp, acc; |
3358 | ||
3359 | shift = shift & 0x1F; | |
3360 | ||
3361 | acc = ((int64_t)env->active_tc.HI[ac] << 32) | | |
3362 | ((int64_t)env->active_tc.LO[ac] & 0xFFFFFFFF); | |
b53371ed | 3363 | |
b8abbbe8 | 3364 | temp = acc >> shift; |
b53371ed | 3365 | |
b53371ed JL |
3366 | if (temp > (int64_t)0x7FFF) { |
3367 | temp = 0x00007FFF; | |
3368 | set_DSPControl_overflow_flag(1, 23, env); | |
1cfd981f | 3369 | } else if (temp < (int64_t)0xFFFFFFFFFFFF8000ULL) { |
b53371ed JL |
3370 | temp = 0xFFFF8000; |
3371 | set_DSPControl_overflow_flag(1, 23, env); | |
3372 | } | |
3373 | ||
3374 | return (target_long)(int32_t)(temp & 0xFFFFFFFF); | |
3375 | } | |
3376 | ||
3377 | ||
3378 | #if defined(TARGET_MIPS64) | |
3379 | target_ulong helper_dextr_s_h(target_ulong ac, target_ulong shift, | |
3380 | CPUMIPSState *env) | |
3381 | { | |
3382 | int64_t temp[2]; | |
3383 | uint32_t temp127; | |
3384 | ||
3385 | shift = shift & 0x1F; | |
3386 | ||
3387 | mipsdsp_rashift_acc((uint64_t *)temp, ac, shift, env); | |
3388 | ||
3389 | temp127 = (temp[1] >> 63) & 0x01; | |
3390 | ||
3391 | if ((temp127 == 0) && (temp[1] > 0 || temp[0] > 32767)) { | |
3392 | temp[0] &= 0xFFFF0000; | |
3393 | temp[0] |= 0x00007FFF; | |
3394 | set_DSPControl_overflow_flag(1, 23, env); | |
3395 | } else if ((temp127 == 1) && | |
3396 | (temp[1] < 0xFFFFFFFFFFFFFFFFll | |
3397 | || temp[0] < 0xFFFFFFFFFFFF1000ll)) { | |
3398 | temp[0] &= 0xFFFF0000; | |
3399 | temp[0] |= 0x00008000; | |
3400 | set_DSPControl_overflow_flag(1, 23, env); | |
3401 | } | |
3402 | ||
3403 | return (int64_t)(int16_t)(temp[0] & MIPSDSP_LO); | |
3404 | } | |
3405 | ||
3406 | #endif | |
3407 | ||
3408 | target_ulong helper_extp(target_ulong ac, target_ulong size, CPUMIPSState *env) | |
3409 | { | |
3410 | int32_t start_pos; | |
3411 | int sub; | |
3412 | uint32_t temp; | |
3413 | uint64_t acc; | |
3414 | ||
3415 | size = size & 0x1F; | |
3416 | ||
3417 | temp = 0; | |
3418 | start_pos = get_DSPControl_pos(env); | |
3419 | sub = start_pos - (size + 1); | |
3420 | if (sub >= -1) { | |
3421 | acc = ((uint64_t)env->active_tc.HI[ac] << 32) | | |
3422 | ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO); | |
489ed4bb | 3423 | temp = (acc >> (start_pos - size)) & (~0U >> (31 - size)); |
b53371ed JL |
3424 | set_DSPControl_efi(0, env); |
3425 | } else { | |
3426 | set_DSPControl_efi(1, env); | |
3427 | } | |
3428 | ||
3429 | return (target_ulong)temp; | |
3430 | } | |
3431 | ||
3432 | target_ulong helper_extpdp(target_ulong ac, target_ulong size, | |
3433 | CPUMIPSState *env) | |
3434 | { | |
3435 | int32_t start_pos; | |
3436 | int sub; | |
3437 | uint32_t temp; | |
3438 | uint64_t acc; | |
3439 | ||
3440 | size = size & 0x1F; | |
3441 | temp = 0; | |
3442 | start_pos = get_DSPControl_pos(env); | |
3443 | sub = start_pos - (size + 1); | |
3444 | if (sub >= -1) { | |
3445 | acc = ((uint64_t)env->active_tc.HI[ac] << 32) | | |
3446 | ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO); | |
0ba365f4 | 3447 | temp = extract64(acc, start_pos - size, size + 1); |
b53371ed | 3448 | |
0ba365f4 | 3449 | set_DSPControl_pos(sub, env); |
b53371ed JL |
3450 | set_DSPControl_efi(0, env); |
3451 | } else { | |
3452 | set_DSPControl_efi(1, env); | |
3453 | } | |
3454 | ||
3455 | return (target_ulong)temp; | |
3456 | } | |
3457 | ||
3458 | ||
3459 | #if defined(TARGET_MIPS64) | |
3460 | target_ulong helper_dextp(target_ulong ac, target_ulong size, CPUMIPSState *env) | |
3461 | { | |
3462 | int start_pos; | |
3463 | int len; | |
3464 | int sub; | |
3465 | uint64_t tempB, tempA; | |
3466 | uint64_t temp; | |
3467 | ||
3468 | temp = 0; | |
3469 | ||
3470 | size = size & 0x3F; | |
3471 | start_pos = get_DSPControl_pos(env); | |
3472 | len = start_pos - size; | |
3473 | tempB = env->active_tc.HI[ac]; | |
3474 | tempA = env->active_tc.LO[ac]; | |
3475 | ||
3476 | sub = start_pos - (size + 1); | |
3477 | ||
3478 | if (sub >= -1) { | |
3479 | temp = (tempB << (64 - len)) | (tempA >> len); | |
3480 | temp = temp & ((0x01 << (size + 1)) - 1); | |
3481 | set_DSPControl_efi(0, env); | |
3482 | } else { | |
3483 | set_DSPControl_efi(1, env); | |
3484 | } | |
3485 | ||
3486 | return temp; | |
3487 | } | |
3488 | ||
3489 | target_ulong helper_dextpdp(target_ulong ac, target_ulong size, | |
3490 | CPUMIPSState *env) | |
3491 | { | |
3492 | int start_pos; | |
3493 | int len; | |
3494 | int sub; | |
3495 | uint64_t tempB, tempA; | |
3496 | uint64_t temp; | |
3497 | ||
3498 | temp = 0; | |
3499 | size = size & 0x3F; | |
3500 | start_pos = get_DSPControl_pos(env); | |
3501 | len = start_pos - size; | |
3502 | tempB = env->active_tc.HI[ac]; | |
3503 | tempA = env->active_tc.LO[ac]; | |
3504 | ||
3505 | sub = start_pos - (size + 1); | |
3506 | ||
3507 | if (sub >= -1) { | |
3508 | temp = (tempB << (64 - len)) | (tempA >> len); | |
3509 | temp = temp & ((0x01 << (size + 1)) - 1); | |
3510 | set_DSPControl_pos(sub, env); | |
3511 | set_DSPControl_efi(0, env); | |
3512 | } else { | |
3513 | set_DSPControl_efi(1, env); | |
3514 | } | |
3515 | ||
3516 | return temp; | |
3517 | } | |
3518 | ||
3519 | #endif | |
3520 | ||
3521 | void helper_shilo(target_ulong ac, target_ulong rs, CPUMIPSState *env) | |
3522 | { | |
3523 | int8_t rs5_0; | |
3524 | uint64_t temp, acc; | |
3525 | ||
3526 | rs5_0 = rs & 0x3F; | |
3527 | rs5_0 = (int8_t)(rs5_0 << 2) >> 2; | |
19e6c50d PJ |
3528 | |
3529 | if (unlikely(rs5_0 == 0)) { | |
3530 | return; | |
3531 | } | |
3532 | ||
b53371ed JL |
3533 | acc = (((uint64_t)env->active_tc.HI[ac] << 32) & MIPSDSP_LHI) | |
3534 | ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO); | |
19e6c50d PJ |
3535 | |
3536 | if (rs5_0 > 0) { | |
3537 | temp = acc >> rs5_0; | |
b53371ed | 3538 | } else { |
19e6c50d | 3539 | temp = acc << -rs5_0; |
b53371ed JL |
3540 | } |
3541 | ||
3542 | env->active_tc.HI[ac] = (target_ulong)(int32_t)((temp & MIPSDSP_LHI) >> 32); | |
3543 | env->active_tc.LO[ac] = (target_ulong)(int32_t)(temp & MIPSDSP_LLO); | |
3544 | } | |
3545 | ||
3546 | #if defined(TARGET_MIPS64) | |
3547 | void helper_dshilo(target_ulong shift, target_ulong ac, CPUMIPSState *env) | |
3548 | { | |
3549 | int8_t shift_t; | |
3550 | uint64_t tempB, tempA; | |
3551 | ||
3552 | shift_t = (int8_t)(shift << 1) >> 1; | |
3553 | ||
3554 | tempB = env->active_tc.HI[ac]; | |
3555 | tempA = env->active_tc.LO[ac]; | |
3556 | ||
3557 | if (shift_t != 0) { | |
3558 | if (shift_t >= 0) { | |
3559 | tempA = (tempB << (64 - shift_t)) | (tempA >> shift_t); | |
3560 | tempB = tempB >> shift_t; | |
3561 | } else { | |
3562 | shift_t = -shift_t; | |
3563 | tempB = (tempB << shift_t) | (tempA >> (64 - shift_t)); | |
3564 | tempA = tempA << shift_t; | |
3565 | } | |
3566 | } | |
3567 | ||
3568 | env->active_tc.HI[ac] = tempB; | |
3569 | env->active_tc.LO[ac] = tempA; | |
3570 | } | |
3571 | ||
3572 | #endif | |
3573 | void helper_mthlip(target_ulong ac, target_ulong rs, CPUMIPSState *env) | |
3574 | { | |
3575 | int32_t tempA, tempB, pos; | |
3576 | ||
3577 | tempA = rs; | |
3578 | tempB = env->active_tc.LO[ac]; | |
3579 | env->active_tc.HI[ac] = (target_long)tempB; | |
3580 | env->active_tc.LO[ac] = (target_long)tempA; | |
3581 | pos = get_DSPControl_pos(env); | |
3582 | ||
3583 | if (pos > 32) { | |
3584 | return; | |
3585 | } else { | |
3586 | set_DSPControl_pos(pos + 32, env); | |
3587 | } | |
3588 | } | |
3589 | ||
3590 | #if defined(TARGET_MIPS64) | |
3591 | void helper_dmthlip(target_ulong rs, target_ulong ac, CPUMIPSState *env) | |
3592 | { | |
3593 | uint8_t ac_t; | |
3594 | uint8_t pos; | |
3595 | uint64_t tempB, tempA; | |
3596 | ||
3597 | ac_t = ac & 0x3; | |
3598 | ||
3599 | tempA = rs; | |
3600 | tempB = env->active_tc.LO[ac_t]; | |
3601 | ||
3602 | env->active_tc.HI[ac_t] = tempB; | |
3603 | env->active_tc.LO[ac_t] = tempA; | |
3604 | ||
3605 | pos = get_DSPControl_pos(env); | |
3606 | ||
3607 | if (pos <= 64) { | |
3608 | pos = pos + 64; | |
3609 | set_DSPControl_pos(pos, env); | |
3610 | } | |
3611 | } | |
3612 | #endif | |
3613 | ||
084d0497 | 3614 | void cpu_wrdsp(uint32_t rs, uint32_t mask_num, CPUMIPSState *env) |
b53371ed JL |
3615 | { |
3616 | uint8_t mask[6]; | |
3617 | uint8_t i; | |
3618 | uint32_t newbits, overwrite; | |
3619 | target_ulong dsp; | |
3620 | ||
3621 | newbits = 0x00; | |
3622 | overwrite = 0xFFFFFFFF; | |
3623 | dsp = env->active_tc.DSPControl; | |
3624 | ||
3625 | for (i = 0; i < 6; i++) { | |
3626 | mask[i] = (mask_num >> i) & 0x01; | |
3627 | } | |
3628 | ||
3629 | if (mask[0] == 1) { | |
3630 | #if defined(TARGET_MIPS64) | |
3631 | overwrite &= 0xFFFFFF80; | |
3632 | newbits &= 0xFFFFFF80; | |
3633 | newbits |= 0x0000007F & rs; | |
3634 | #else | |
3635 | overwrite &= 0xFFFFFFC0; | |
3636 | newbits &= 0xFFFFFFC0; | |
3637 | newbits |= 0x0000003F & rs; | |
3638 | #endif | |
3639 | } | |
3640 | ||
3641 | if (mask[1] == 1) { | |
3642 | overwrite &= 0xFFFFE07F; | |
3643 | newbits &= 0xFFFFE07F; | |
3644 | newbits |= 0x00001F80 & rs; | |
3645 | } | |
3646 | ||
3647 | if (mask[2] == 1) { | |
3648 | overwrite &= 0xFFFFDFFF; | |
3649 | newbits &= 0xFFFFDFFF; | |
3650 | newbits |= 0x00002000 & rs; | |
3651 | } | |
3652 | ||
3653 | if (mask[3] == 1) { | |
3654 | overwrite &= 0xFF00FFFF; | |
3655 | newbits &= 0xFF00FFFF; | |
3656 | newbits |= 0x00FF0000 & rs; | |
3657 | } | |
3658 | ||
3659 | if (mask[4] == 1) { | |
3660 | overwrite &= 0x00FFFFFF; | |
3661 | newbits &= 0x00FFFFFF; | |
eec8972a | 3662 | #if defined(TARGET_MIPS64) |
b53371ed | 3663 | newbits |= 0xFF000000 & rs; |
eec8972a PJ |
3664 | #else |
3665 | newbits |= 0x0F000000 & rs; | |
3666 | #endif | |
b53371ed JL |
3667 | } |
3668 | ||
3669 | if (mask[5] == 1) { | |
3670 | overwrite &= 0xFFFFBFFF; | |
3671 | newbits &= 0xFFFFBFFF; | |
3672 | newbits |= 0x00004000 & rs; | |
3673 | } | |
3674 | ||
3675 | dsp = dsp & overwrite; | |
3676 | dsp = dsp | newbits; | |
3677 | env->active_tc.DSPControl = dsp; | |
3678 | } | |
3679 | ||
084d0497 RH |
3680 | void helper_wrdsp(target_ulong rs, target_ulong mask_num, CPUMIPSState *env) |
3681 | { | |
327e9759 | 3682 | cpu_wrdsp(rs, mask_num, env); |
084d0497 RH |
3683 | } |
3684 | ||
3685 | uint32_t cpu_rddsp(uint32_t mask_num, CPUMIPSState *env) | |
b53371ed JL |
3686 | { |
3687 | uint8_t mask[6]; | |
3688 | uint32_t ruler, i; | |
3689 | target_ulong temp; | |
3690 | target_ulong dsp; | |
3691 | ||
3692 | ruler = 0x01; | |
3693 | for (i = 0; i < 6; i++) { | |
084d0497 | 3694 | mask[i] = (mask_num & ruler) >> i ; |
b53371ed JL |
3695 | ruler = ruler << 1; |
3696 | } | |
3697 | ||
3698 | temp = 0x00; | |
3699 | dsp = env->active_tc.DSPControl; | |
3700 | ||
3701 | if (mask[0] == 1) { | |
3702 | #if defined(TARGET_MIPS64) | |
3703 | temp |= dsp & 0x7F; | |
3704 | #else | |
3705 | temp |= dsp & 0x3F; | |
3706 | #endif | |
3707 | } | |
3708 | ||
3709 | if (mask[1] == 1) { | |
3710 | temp |= dsp & 0x1F80; | |
3711 | } | |
3712 | ||
3713 | if (mask[2] == 1) { | |
3714 | temp |= dsp & 0x2000; | |
3715 | } | |
3716 | ||
3717 | if (mask[3] == 1) { | |
3718 | temp |= dsp & 0x00FF0000; | |
3719 | } | |
3720 | ||
3721 | if (mask[4] == 1) { | |
eec8972a | 3722 | #if defined(TARGET_MIPS64) |
b53371ed | 3723 | temp |= dsp & 0xFF000000; |
eec8972a PJ |
3724 | #else |
3725 | temp |= dsp & 0x0F000000; | |
3726 | #endif | |
b53371ed JL |
3727 | } |
3728 | ||
3729 | if (mask[5] == 1) { | |
3730 | temp |= dsp & 0x4000; | |
3731 | } | |
3732 | ||
3733 | return temp; | |
3734 | } | |
3735 | ||
084d0497 RH |
3736 | target_ulong helper_rddsp(target_ulong mask_num, CPUMIPSState *env) |
3737 | { | |
3738 | return cpu_rddsp(mask_num, env); | |
3739 | } | |
3740 | ||
b53371ed | 3741 | |
461c08df JL |
3742 | #undef MIPSDSP_LHI |
3743 | #undef MIPSDSP_LLO | |
3744 | #undef MIPSDSP_HI | |
3745 | #undef MIPSDSP_LO | |
3746 | #undef MIPSDSP_Q3 | |
3747 | #undef MIPSDSP_Q2 | |
3748 | #undef MIPSDSP_Q1 | |
3749 | #undef MIPSDSP_Q0 | |
3750 | ||
3751 | #undef MIPSDSP_SPLIT32_8 | |
3752 | #undef MIPSDSP_SPLIT32_16 | |
3753 | ||
461c08df JL |
3754 | #undef MIPSDSP_RETURN32_8 |
3755 | #undef MIPSDSP_RETURN32_16 | |
3756 | ||
3757 | #ifdef TARGET_MIPS64 | |
3758 | #undef MIPSDSP_SPLIT64_16 | |
3759 | #undef MIPSDSP_SPLIT64_32 | |
3760 | #undef MIPSDSP_RETURN64_16 | |
3761 | #undef MIPSDSP_RETURN64_32 | |
3762 | #endif |