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