scsi: pvscsi: check command descriptor ring buffer size (CVE-2016-4952)
[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 /* 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
47 /*** MIPS DSP internal functions begin ***/
48 #define MIPSDSP_ABS(x) (((x) >= 0) ? x : -x)
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)
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
58 static inline void set_DSPControl_carryflag(bool flag, CPUMIPSState *env)
59 {
60 env->active_tc.DSPControl &= ~(1 << 13);
61 env->active_tc.DSPControl |= flag << 13;
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
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;
87 dspc |= (pos & 0x3F);
88 #else
89 dspc = dspc & 0xFFFFFF80;
90 dspc |= (pos & 0x7F);
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
140 if (MIPSDSP_OVERFLOW_ADD(a, b, tempI, 0x8000)) {
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
154 if (MIPSDSP_OVERFLOW_ADD(a, b, tempS, 0x8000)) {
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
173 if (MIPSDSP_OVERFLOW_ADD(a, b, tempI, 0x80000000)) {
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
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
278 #ifdef TARGET_MIPS64
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 }
332 #endif
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
354 #ifdef TARGET_MIPS64
355 static inline int32_t mipsdsp_mul_i32_i32(int32_t a, int32_t b)
356 {
357 return a * b;
358 }
359 #endif
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 {
389 temp = ((int16_t)a * (int16_t)b) << 1;
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
416 #ifdef TARGET_MIPS64
417 static inline int32_t mipsdsp_rashift32(int32_t a, target_ulong mov)
418 {
419 return a >> mov;
420 }
421 #endif
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
480 #ifdef TARGET_MIPS64
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 }
498 #endif
499
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);
510 p[0] = (shift == 0) ? (acc << 1) : (acc >> (shift - 1));
511 p[1] = (acc >> 63) & 0x01;
512 }
513
514 #ifdef TARGET_MIPS64
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 }
562 #endif
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 {
573 temp = ((int16_t)a * (int16_t)b) << 1;
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 {
588 temp = ((int64_t)(int32_t)a * (int32_t)b) << 1;
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
613 #ifdef TARGET_MIPS64
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 }
618 #endif
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 {
629 temp = ((int16_t)a * (int16_t)b) << 1;
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 {
645 temp = (int16_t)a * (int16_t)b;
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 {
655 uint16_t temp;
656
657
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;
665 set_DSPControl_overflow_flag(1, 22, env);
666 } else {
667 temp = ((a + 0x8000) >> 16) & 0xFFFF;
668 }
669
670 return temp;
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 {
697 uint8_t discard;
698
699 if (s != 0) {
700 discard = a >> (8 - s);
701
702 if (discard != 0x00) {
703 set_DSPControl_overflow_flag(1, 22, env);
704 }
705 }
706 return a << s;
707 }
708
709 static inline uint16_t mipsdsp_lshift16(uint16_t a, uint8_t s,
710 CPUMIPSState *env)
711 {
712 uint16_t discard;
713
714 if (s != 0) {
715 discard = (int16_t)a >> (15 - s);
716
717 if ((discard != 0x0000) && (discard != 0xFFFF)) {
718 set_DSPControl_overflow_flag(1, 22, env);
719 }
720 }
721 return a << s;
722 }
723
724 #ifdef TARGET_MIPS64
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 }
741 #endif
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;
840 if (MIPSDSP_OVERFLOW_SUB(a, b, temp, 0x8000)) {
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;
853 if (MIPSDSP_OVERFLOW_SUB(a, b, temp, 0x8000)) {
854 if (a >= 0) {
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;
871 if (MIPSDSP_OVERFLOW_SUB(a, b, temp, 0x80000000)) {
872 if (a >= 0) {
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
981 #ifdef TARGET_MIPS64
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;
987 if (MIPSDSP_OVERFLOW_SUB(a, b, temp, 0x80000000)) {
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
1000 if (MIPSDSP_OVERFLOW_ADD(a, b, temp, 0x80000000)) {
1001 set_DSPControl_overflow_flag(1, 20, env);
1002 }
1003
1004 return temp;
1005 }
1006 #endif
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 ***/
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
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 **/
1094 #define MIPSDSP32_UNOP_ENV(name, func, element) \
1095 target_ulong helper_##name(target_ulong rt, CPUMIPSState *env) \
1096 { \
1097 DSP32Value dt; \
1098 unsigned int i; \
1099 \
1100 dt.sw[0] = rt; \
1101 \
1102 for (i = 0; i < ARRAY_SIZE(dt.element); i++) { \
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; \
1118 unsigned int i; \
1119 \
1120 dt.sl[0] = rt; \
1121 \
1122 for (i = 0; i < ARRAY_SIZE(dt.element); i++) { \
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
1134 #define MIPSDSP32_BINOP(name, func, element) \
1135 target_ulong helper_##name(target_ulong rs, target_ulong rt) \
1136 { \
1137 DSP32Value ds, dt; \
1138 unsigned int i; \
1139 \
1140 ds.sw[0] = rs; \
1141 dt.sw[0] = rt; \
1142 \
1143 for (i = 0; i < ARRAY_SIZE(ds.element); i++) { \
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; \
1166 unsigned int i; \
1167 \
1168 ds.sw[0] = rs; \
1169 dt.sw[0] = rt; \
1170 \
1171 for (i = 0 ; i < ARRAY_SIZE(ds.element); i++) { \
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
1192
1193 #ifdef TARGET_MIPS64
1194 #define MIPSDSP64_BINOP(name, func, element) \
1195 target_ulong helper_##name(target_ulong rs, target_ulong rt) \
1196 { \
1197 DSP64Value ds, dt; \
1198 unsigned int i; \
1199 \
1200 ds.sl[0] = rs; \
1201 dt.sl[0] = rt; \
1202 \
1203 for (i = 0 ; i < ARRAY_SIZE(ds.element); i++) { \
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; \
1220 unsigned int i; \
1221 \
1222 ds.sl[0] = rs; \
1223 dt.sl[0] = rt; \
1224 \
1225 for (i = 0 ; i < ARRAY_SIZE(ds.element); i++) { \
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
1248
1249 #endif
1250
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;
1278 bool flag;
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 {
1330 target_ulong ret = 0;
1331 DSP32Value ds;
1332 unsigned int i;
1333
1334 ds.uw[0] = rs;
1335 for (i = 0; i < 4; i++) {
1336 ret += ds.ub[i];
1337 }
1338 return ret;
1339 }
1340
1341 #if defined(TARGET_MIPS64)
1342 target_ulong helper_raddu_l_ob(target_ulong rs)
1343 {
1344 target_ulong ret = 0;
1345 DSP64Value ds;
1346 unsigned int i;
1347
1348 ds.ul[0] = rs;
1349 for (i = 0; i < 8; i++) {
1350 ret += ds.ub[i];
1351 }
1352 return ret;
1353 }
1354 #endif
1355
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
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
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 { \
2280 int16_t rsB, rsA, rtB, rtA; \
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) \
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); \
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 { \
2672 int32_t rs_t, rt_t; \
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
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
2912 #define BIT_INSV(name, posfilter, ret_type) \
2913 target_ulong helper_##name(CPUMIPSState *env, target_ulong rs, \
2914 target_ulong rt) \
2915 { \
2916 uint32_t pos, size, msb, lsb; \
2917 uint32_t const sizefilter = 0x3F; \
2918 target_ulong temp; \
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 \
2933 temp = deposit64(rt, pos, size, rs); \
2934 \
2935 return (target_long)(ret_type)temp; \
2936 }
2937
2938 BIT_INSV(insv, 0x1F, int32_t);
2939 #ifdef TARGET_MIPS64
2940 BIT_INSV(dinsv, 0x7F, target_long);
2941 #endif
2942
2943 #undef BIT_INSV
2944
2945
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
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
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
3119 shift = shift & 0x1F;
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
3134 if (((tempDL[1] & 0x01) != 0 || (tempDL[0] & MIPSDSP_LHI) != 0) &&
3135 ((tempDL[1] & 0x01) != 1 || (tempDL[0] & MIPSDSP_LHI) != MIPSDSP_LHI)) {
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
3147 shift = shift & 0x1F;
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
3160 if (((tempDL[1] & 0x01) != 0 || (tempDL[0] & MIPSDSP_LHI) != 0) &&
3161 ((tempDL[1] & 0x01) != 1 || (tempDL[0] & MIPSDSP_LHI) != MIPSDSP_LHI)) {
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
3174 shift = shift & 0x1F;
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
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;
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 {
3265 temp[0] = 0x0100000000ULL;
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);