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linux-user: sync syscall numbers upto 3.13
[qemu/ar7.git] / target-mips / dsp_helper.c
bloba2f46d9637e8b3932e67064c5d2898e9c71db42b
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 "cpu.h"
21 #include "helper.h"
22 #include "qemu/bitops.h"
23
24 /* As the byte ordering doesn't matter, i.e. all columns are treated
25 identically, these unions can be used directly. */
26 typedef union {
27 uint8_t ub[4];
28 int8_t sb[4];
29 uint16_t uh[2];
30 int16_t sh[2];
31 uint32_t uw[1];
32 int32_t sw[1];
33 } DSP32Value;
34
35 typedef union {
36 uint8_t ub[8];
37 int8_t sb[8];
38 uint16_t uh[4];
39 int16_t sh[4];
40 uint32_t uw[2];
41 int32_t sw[2];
42 uint64_t ul[1];
43 int64_t sl[1];
44 } DSP64Value;
45
46 /*** MIPS DSP internal functions begin ***/
47 #define MIPSDSP_ABS(x) (((x) >= 0) ? x : -x)
48 #define MIPSDSP_OVERFLOW_ADD(a, b, c, d) (~(a ^ b) & (a ^ c) & d)
49 #define MIPSDSP_OVERFLOW_SUB(a, b, c, d) ((a ^ b) & (a ^ c) & d)
50
51 static inline void set_DSPControl_overflow_flag(uint32_t flag, int position,
52 CPUMIPSState *env)
53 {
54 env->active_tc.DSPControl |= (target_ulong)flag << position;
55 }
56
57 static inline void set_DSPControl_carryflag(bool flag, CPUMIPSState *env)
58 {
59 env->active_tc.DSPControl &= ~(1 << 13);
60 env->active_tc.DSPControl |= flag << 13;
61 }
62
63 static inline uint32_t get_DSPControl_carryflag(CPUMIPSState *env)
64 {
65 return (env->active_tc.DSPControl >> 13) & 0x01;
66 }
67
68 static inline void set_DSPControl_24(uint32_t flag, int len, CPUMIPSState *env)
69 {
70 uint32_t filter;
71
72 filter = ((0x01 << len) - 1) << 24;
73 filter = ~filter;
74
75 env->active_tc.DSPControl &= filter;
76 env->active_tc.DSPControl |= (target_ulong)flag << 24;
77 }
78
79 static inline uint32_t get_DSPControl_24(int len, CPUMIPSState *env)
80 {
81 uint32_t filter;
82
83 filter = (0x01 << len) - 1;
84
85 return (env->active_tc.DSPControl >> 24) & filter;
86 }
87
88 static inline void set_DSPControl_pos(uint32_t pos, CPUMIPSState *env)
89 {
90 target_ulong dspc;
91
92 dspc = env->active_tc.DSPControl;
93 #ifndef TARGET_MIPS64
94 dspc = dspc & 0xFFFFFFC0;
95 dspc |= (pos & 0x3F);
96 #else
97 dspc = dspc & 0xFFFFFF80;
98 dspc |= (pos & 0x7F);
99 #endif
100 env->active_tc.DSPControl = dspc;
101 }
102
103 static inline uint32_t get_DSPControl_pos(CPUMIPSState *env)
104 {
105 target_ulong dspc;
106 uint32_t pos;
107
108 dspc = env->active_tc.DSPControl;
109
110 #ifndef TARGET_MIPS64
111 pos = dspc & 0x3F;
112 #else
113 pos = dspc & 0x7F;
114 #endif
115
116 return pos;
117 }
118
119 static inline void set_DSPControl_efi(uint32_t flag, CPUMIPSState *env)
120 {
121 env->active_tc.DSPControl &= 0xFFFFBFFF;
122 env->active_tc.DSPControl |= (target_ulong)flag << 14;
123 }
124
125 #define DO_MIPS_SAT_ABS(size) \
126 static inline int##size##_t mipsdsp_sat_abs##size(int##size##_t a, \
127 CPUMIPSState *env) \
128 { \
129 if (a == INT##size##_MIN) { \
130 set_DSPControl_overflow_flag(1, 20, env); \
131 return INT##size##_MAX; \
132 } else { \
133 return MIPSDSP_ABS(a); \
134 } \
135 }
136 DO_MIPS_SAT_ABS(8)
137 DO_MIPS_SAT_ABS(16)
138 DO_MIPS_SAT_ABS(32)
139 #undef DO_MIPS_SAT_ABS
140
141 /* get sum value */
142 static inline int16_t mipsdsp_add_i16(int16_t a, int16_t b, CPUMIPSState *env)
143 {
144 int16_t tempI;
145
146 tempI = a + b;
147
148 if (MIPSDSP_OVERFLOW_ADD(a, b, tempI, 0x8000)) {
149 set_DSPControl_overflow_flag(1, 20, env);
150 }
151
152 return tempI;
153 }
154
155 static inline int16_t mipsdsp_sat_add_i16(int16_t a, int16_t b,
156 CPUMIPSState *env)
157 {
158 int16_t tempS;
159
160 tempS = a + b;
161
162 if (MIPSDSP_OVERFLOW_ADD(a, b, tempS, 0x8000)) {
163 if (a > 0) {
164 tempS = 0x7FFF;
165 } else {
166 tempS = 0x8000;
167 }
168 set_DSPControl_overflow_flag(1, 20, env);
169 }
170
171 return tempS;
172 }
173
174 static inline int32_t mipsdsp_sat_add_i32(int32_t a, int32_t b,
175 CPUMIPSState *env)
176 {
177 int32_t tempI;
178
179 tempI = a + b;
180
181 if (MIPSDSP_OVERFLOW_ADD(a, b, tempI, 0x80000000)) {
182 if (a > 0) {
183 tempI = 0x7FFFFFFF;
184 } else {
185 tempI = 0x80000000;
186 }
187 set_DSPControl_overflow_flag(1, 20, env);
188 }
189
190 return tempI;
191 }
192
193 static inline uint8_t mipsdsp_add_u8(uint8_t a, uint8_t b, CPUMIPSState *env)
194 {
195 uint16_t temp;
196
197 temp = (uint16_t)a + (uint16_t)b;
198
199 if (temp & 0x0100) {
200 set_DSPControl_overflow_flag(1, 20, env);
201 }
202
203 return temp & 0xFF;
204 }
205
206 static inline uint16_t mipsdsp_add_u16(uint16_t a, uint16_t b,
207 CPUMIPSState *env)
208 {
209 uint32_t temp;
210
211 temp = (uint32_t)a + (uint32_t)b;
212
213 if (temp & 0x00010000) {
214 set_DSPControl_overflow_flag(1, 20, env);
215 }
216
217 return temp & 0xFFFF;
218 }
219
220 static inline uint8_t mipsdsp_sat_add_u8(uint8_t a, uint8_t b,
221 CPUMIPSState *env)
222 {
223 uint8_t result;
224 uint16_t temp;
225
226 temp = (uint16_t)a + (uint16_t)b;
227 result = temp & 0xFF;
228
229 if (0x0100 & temp) {
230 result = 0xFF;
231 set_DSPControl_overflow_flag(1, 20, env);
232 }
233
234 return result;
235 }
236
237 static inline uint16_t mipsdsp_sat_add_u16(uint16_t a, uint16_t b,
238 CPUMIPSState *env)
239 {
240 uint16_t result;
241 uint32_t temp;
242
243 temp = (uint32_t)a + (uint32_t)b;
244 result = temp & 0xFFFF;
245
246 if (0x00010000 & temp) {
247 result = 0xFFFF;
248 set_DSPControl_overflow_flag(1, 20, env);
249 }
250
251 return result;
252 }
253
254 static inline int32_t mipsdsp_sat32_acc_q31(int32_t acc, int32_t a,
255 CPUMIPSState *env)
256 {
257 int64_t temp;
258 int32_t temp32, temp31, result;
259 int64_t temp_sum;
260
261 #ifndef TARGET_MIPS64
262 temp = ((uint64_t)env->active_tc.HI[acc] << 32) |
263 (uint64_t)env->active_tc.LO[acc];
264 #else
265 temp = (uint64_t)env->active_tc.LO[acc];
266 #endif
267
268 temp_sum = (int64_t)a + temp;
269
270 temp32 = (temp_sum >> 32) & 0x01;
271 temp31 = (temp_sum >> 31) & 0x01;
272 result = temp_sum & 0xFFFFFFFF;
273
274 if (temp32 != temp31) {
275 if (temp32 == 0) {
276 result = 0x7FFFFFFF;
277 } else {
278 result = 0x80000000;
279 }
280 set_DSPControl_overflow_flag(1, 16 + acc, env);
281 }
282
283 return result;
284 }
285
286 /* a[0] is LO, a[1] is HI. */
287 static inline void mipsdsp_sat64_acc_add_q63(int64_t *ret,
288 int32_t ac,
289 int64_t *a,
290 CPUMIPSState *env)
291 {
292 bool temp64;
293
294 ret[0] = env->active_tc.LO[ac] + a[0];
295 ret[1] = env->active_tc.HI[ac] + a[1];
296
297 if (((uint64_t)ret[0] < (uint64_t)env->active_tc.LO[ac]) &&
298 ((uint64_t)ret[0] < (uint64_t)a[0])) {
299 ret[1] += 1;
300 }
301 temp64 = ret[1] & 1;
302 if (temp64 != ((ret[0] >> 63) & 0x01)) {
303 if (temp64) {
304 ret[0] = (0x01ull << 63);
305 ret[1] = ~0ull;
306 } else {
307 ret[0] = (0x01ull << 63) - 1;
308 ret[1] = 0x00;
309 }
310 set_DSPControl_overflow_flag(1, 16 + ac, env);
311 }
312 }
313
314 static inline void mipsdsp_sat64_acc_sub_q63(int64_t *ret,
315 int32_t ac,
316 int64_t *a,
317 CPUMIPSState *env)
318 {
319 bool temp64;
320
321 ret[0] = env->active_tc.LO[ac] - a[0];
322 ret[1] = env->active_tc.HI[ac] - a[1];
323
324 if ((uint64_t)ret[0] > (uint64_t)env->active_tc.LO[ac]) {
325 ret[1] -= 1;
326 }
327 temp64 = ret[1] & 1;
328 if (temp64 != ((ret[0] >> 63) & 0x01)) {
329 if (temp64) {
330 ret[0] = (0x01ull << 63);
331 ret[1] = ~0ull;
332 } else {
333 ret[0] = (0x01ull << 63) - 1;
334 ret[1] = 0x00;
335 }
336 set_DSPControl_overflow_flag(1, 16 + ac, env);
337 }
338 }
339
340 static inline int32_t mipsdsp_mul_i16_i16(int16_t a, int16_t b,
341 CPUMIPSState *env)
342 {
343 int32_t temp;
344
345 temp = (int32_t)a * (int32_t)b;
346
347 if ((temp > (int)0x7FFF) || (temp < (int)0xFFFF8000)) {
348 set_DSPControl_overflow_flag(1, 21, env);
349 }
350 temp &= 0x0000FFFF;
351
352 return temp;
353 }
354
355 static inline int32_t mipsdsp_mul_u16_u16(int32_t a, int32_t b)
356 {
357 return a * b;
358 }
359
360 static inline int32_t mipsdsp_mul_i32_i32(int32_t a, int32_t b)
361 {
362 return a * b;
363 }
364
365 static inline int32_t mipsdsp_sat16_mul_i16_i16(int16_t a, int16_t b,
366 CPUMIPSState *env)
367 {
368 int32_t temp;
369
370 temp = (int32_t)a * (int32_t)b;
371
372 if (temp > (int)0x7FFF) {
373 temp = 0x00007FFF;
374 set_DSPControl_overflow_flag(1, 21, env);
375 } else if (temp < (int)0xffff8000) {
376 temp = 0xFFFF8000;
377 set_DSPControl_overflow_flag(1, 21, env);
378 }
379 temp &= 0x0000FFFF;
380
381 return temp;
382 }
383
384 static inline int32_t mipsdsp_mul_q15_q15_overflowflag21(uint16_t a, uint16_t b,
385 CPUMIPSState *env)
386 {
387 int32_t temp;
388
389 if ((a == 0x8000) && (b == 0x8000)) {
390 temp = 0x7FFFFFFF;
391 set_DSPControl_overflow_flag(1, 21, env);
392 } else {
393 temp = ((int16_t)a * (int16_t)b) << 1;
394 }
395
396 return temp;
397 }
398
399 /* right shift */
400 static inline uint8_t mipsdsp_rshift_u8(uint8_t a, target_ulong mov)
401 {
402 return a >> mov;
403 }
404
405 static inline uint16_t mipsdsp_rshift_u16(uint16_t a, target_ulong mov)
406 {
407 return a >> mov;
408 }
409
410 static inline int8_t mipsdsp_rashift8(int8_t a, target_ulong mov)
411 {
412 return a >> mov;
413 }
414
415 static inline int16_t mipsdsp_rashift16(int16_t a, target_ulong mov)
416 {
417 return a >> mov;
418 }
419
420 static inline int32_t mipsdsp_rashift32(int32_t a, target_ulong mov)
421 {
422 return a >> mov;
423 }
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 static inline uint8_t mipsdsp_rshift1_sub_u8(uint8_t a, uint8_t b)
483 {
484 uint16_t temp;
485
486 temp = (uint16_t)a - (uint16_t)b;
487
488 return (temp >> 1) & 0x00FF;
489 }
490
491 static inline uint8_t mipsdsp_rrshift1_sub_u8(uint8_t a, uint8_t b)
492 {
493 uint16_t temp;
494
495 temp = (uint16_t)a - (uint16_t)b + 1;
496
497 return (temp >> 1) & 0x00FF;
498 }
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 /* 128 bits long. p[0] is LO, p[1] is HI */
515 static inline void mipsdsp_rashift_acc(uint64_t *p,
516 uint32_t ac,
517 uint32_t shift,
518 CPUMIPSState *env)
519 {
520 uint64_t tempB, tempA;
521
522 tempB = env->active_tc.HI[ac];
523 tempA = env->active_tc.LO[ac];
524 shift = shift & 0x1F;
525
526 if (shift == 0) {
527 p[1] = tempB;
528 p[0] = tempA;
529 } else {
530 p[0] = (tempB << (64 - shift)) | (tempA >> shift);
531 p[1] = (int64_t)tempB >> shift;
532 }
533 }
534
535 /* 128 bits long. p[0] is LO, p[1] is HI , p[2] is sign of HI.*/
536 static inline void mipsdsp_rndrashift_acc(uint64_t *p,
537 uint32_t ac,
538 uint32_t shift,
539 CPUMIPSState *env)
540 {
541 int64_t tempB, tempA;
542
543 tempB = env->active_tc.HI[ac];
544 tempA = env->active_tc.LO[ac];
545 shift = shift & 0x3F;
546
547 if (shift == 0) {
548 p[2] = tempB >> 63;
549 p[1] = (tempB << 1) | (tempA >> 63);
550 p[0] = tempA << 1;
551 } else {
552 p[0] = (tempB << (65 - shift)) | (tempA >> (shift - 1));
553 p[1] = (int64_t)tempB >> (shift - 1);
554 if (tempB >= 0) {
555 p[2] = 0x0;
556 } else {
557 p[2] = ~0ull;
558 }
559 }
560 }
561
562 static inline int32_t mipsdsp_mul_q15_q15(int32_t ac, uint16_t a, uint16_t b,
563 CPUMIPSState *env)
564 {
565 int32_t temp;
566
567 if ((a == 0x8000) && (b == 0x8000)) {
568 temp = 0x7FFFFFFF;
569 set_DSPControl_overflow_flag(1, 16 + ac, env);
570 } else {
571 temp = ((int16_t)a * (int16_t)b) << 1;
572 }
573
574 return temp;
575 }
576
577 static inline int64_t mipsdsp_mul_q31_q31(int32_t ac, uint32_t a, uint32_t b,
578 CPUMIPSState *env)
579 {
580 uint64_t temp;
581
582 if ((a == 0x80000000) && (b == 0x80000000)) {
583 temp = (0x01ull << 63) - 1;
584 set_DSPControl_overflow_flag(1, 16 + ac, env);
585 } else {
586 temp = ((int64_t)(int32_t)a * (int32_t)b) << 1;
587 }
588
589 return temp;
590 }
591
592 static inline uint16_t mipsdsp_mul_u8_u8(uint8_t a, uint8_t b)
593 {
594 return (uint16_t)a * (uint16_t)b;
595 }
596
597 static inline uint16_t mipsdsp_mul_u8_u16(uint8_t a, uint16_t b,
598 CPUMIPSState *env)
599 {
600 uint32_t tempI;
601
602 tempI = (uint32_t)a * (uint32_t)b;
603 if (tempI > 0x0000FFFF) {
604 tempI = 0x0000FFFF;
605 set_DSPControl_overflow_flag(1, 21, env);
606 }
607
608 return tempI & 0x0000FFFF;
609 }
610
611 static inline uint64_t mipsdsp_mul_u32_u32(uint32_t a, uint32_t b)
612 {
613 return (uint64_t)a * (uint64_t)b;
614 }
615
616 static inline int16_t mipsdsp_rndq15_mul_q15_q15(uint16_t a, uint16_t b,
617 CPUMIPSState *env)
618 {
619 uint32_t temp;
620
621 if ((a == 0x8000) && (b == 0x8000)) {
622 temp = 0x7FFF0000;
623 set_DSPControl_overflow_flag(1, 21, env);
624 } else {
625 temp = ((int16_t)a * (int16_t)b) << 1;
626 temp = temp + 0x00008000;
627 }
628
629 return (temp & 0xFFFF0000) >> 16;
630 }
631
632 static inline int32_t mipsdsp_sat16_mul_q15_q15(uint16_t a, uint16_t b,
633 CPUMIPSState *env)
634 {
635 int32_t temp;
636
637 if ((a == 0x8000) && (b == 0x8000)) {
638 temp = 0x7FFF0000;
639 set_DSPControl_overflow_flag(1, 21, env);
640 } else {
641 temp = (int16_t)a * (int16_t)b;
642 temp = temp << 1;
643 }
644
645 return (temp >> 16) & 0x0000FFFF;
646 }
647
648 static inline uint16_t mipsdsp_trunc16_sat16_round(int32_t a,
649 CPUMIPSState *env)
650 {
651 uint16_t temp;
652
653
654 /*
655 * The value 0x00008000 will be added to the input Q31 value, and the code
656 * needs to check if the addition causes an overflow. Since a positive value
657 * is added, overflow can happen in one direction only.
658 */
659 if (a > 0x7FFF7FFF) {
660 temp = 0x7FFF;
661 set_DSPControl_overflow_flag(1, 22, env);
662 } else {
663 temp = ((a + 0x8000) >> 16) & 0xFFFF;
664 }
665
666 return temp;
667 }
668
669 static inline uint8_t mipsdsp_sat8_reduce_precision(uint16_t a,
670 CPUMIPSState *env)
671 {
672 uint16_t mag;
673 uint32_t sign;
674
675 sign = (a >> 15) & 0x01;
676 mag = a & 0x7FFF;
677
678 if (sign == 0) {
679 if (mag > 0x7F80) {
680 set_DSPControl_overflow_flag(1, 22, env);
681 return 0xFF;
682 } else {
683 return (mag >> 7) & 0xFFFF;
684 }
685 } else {
686 set_DSPControl_overflow_flag(1, 22, env);
687 return 0x00;
688 }
689 }
690
691 static inline uint8_t mipsdsp_lshift8(uint8_t a, uint8_t s, CPUMIPSState *env)
692 {
693 uint8_t discard;
694
695 if (s != 0) {
696 discard = a >> (8 - s);
697
698 if (discard != 0x00) {
699 set_DSPControl_overflow_flag(1, 22, env);
700 }
701 }
702 return a << s;
703 }
704
705 static inline uint16_t mipsdsp_lshift16(uint16_t a, uint8_t s,
706 CPUMIPSState *env)
707 {
708 uint16_t discard;
709
710 if (s != 0) {
711 discard = (int16_t)a >> (15 - s);
712
713 if ((discard != 0x0000) && (discard != 0xFFFF)) {
714 set_DSPControl_overflow_flag(1, 22, env);
715 }
716 }
717 return a << s;
718 }
719
720
721 static inline uint32_t mipsdsp_lshift32(uint32_t a, uint8_t s,
722 CPUMIPSState *env)
723 {
724 uint32_t discard;
725
726 if (s == 0) {
727 return a;
728 } else {
729 discard = (int32_t)a >> (31 - (s - 1));
730
731 if ((discard != 0x00000000) && (discard != 0xFFFFFFFF)) {
732 set_DSPControl_overflow_flag(1, 22, env);
733 }
734 return a << s;
735 }
736 }
737
738 static inline uint16_t mipsdsp_sat16_lshift(uint16_t a, uint8_t s,
739 CPUMIPSState *env)
740 {
741 uint8_t sign;
742 uint16_t discard;
743
744 if (s == 0) {
745 return a;
746 } else {
747 sign = (a >> 15) & 0x01;
748 if (sign != 0) {
749 discard = (((0x01 << (16 - s)) - 1) << s) |
750 ((a >> (14 - (s - 1))) & ((0x01 << s) - 1));
751 } else {
752 discard = a >> (14 - (s - 1));
753 }
754
755 if ((discard != 0x0000) && (discard != 0xFFFF)) {
756 set_DSPControl_overflow_flag(1, 22, env);
757 return (sign == 0) ? 0x7FFF : 0x8000;
758 } else {
759 return a << s;
760 }
761 }
762 }
763
764 static inline uint32_t mipsdsp_sat32_lshift(uint32_t a, uint8_t s,
765 CPUMIPSState *env)
766 {
767 uint8_t sign;
768 uint32_t discard;
769
770 if (s == 0) {
771 return a;
772 } else {
773 sign = (a >> 31) & 0x01;
774 if (sign != 0) {
775 discard = (((0x01 << (32 - s)) - 1) << s) |
776 ((a >> (30 - (s - 1))) & ((0x01 << s) - 1));
777 } else {
778 discard = a >> (30 - (s - 1));
779 }
780
781 if ((discard != 0x00000000) && (discard != 0xFFFFFFFF)) {
782 set_DSPControl_overflow_flag(1, 22, env);
783 return (sign == 0) ? 0x7FFFFFFF : 0x80000000;
784 } else {
785 return a << s;
786 }
787 }
788 }
789
790 static inline uint8_t mipsdsp_rnd8_rashift(uint8_t a, uint8_t s)
791 {
792 uint32_t temp;
793
794 if (s == 0) {
795 temp = (uint32_t)a << 1;
796 } else {
797 temp = (int32_t)(int8_t)a >> (s - 1);
798 }
799
800 return (temp + 1) >> 1;
801 }
802
803 static inline uint16_t mipsdsp_rnd16_rashift(uint16_t a, uint8_t s)
804 {
805 uint32_t temp;
806
807 if (s == 0) {
808 temp = (uint32_t)a << 1;
809 } else {
810 temp = (int32_t)(int16_t)a >> (s - 1);
811 }
812
813 return (temp + 1) >> 1;
814 }
815
816 static inline uint32_t mipsdsp_rnd32_rashift(uint32_t a, uint8_t s)
817 {
818 int64_t temp;
819
820 if (s == 0) {
821 temp = (uint64_t)a << 1;
822 } else {
823 temp = (int64_t)(int32_t)a >> (s - 1);
824 }
825 temp += 1;
826
827 return (temp >> 1) & 0xFFFFFFFFull;
828 }
829
830 static inline uint16_t mipsdsp_sub_i16(int16_t a, int16_t b, CPUMIPSState *env)
831 {
832 int16_t temp;
833
834 temp = a - b;
835 if (MIPSDSP_OVERFLOW_SUB(a, b, temp, 0x8000)) {
836 set_DSPControl_overflow_flag(1, 20, env);
837 }
838
839 return temp;
840 }
841
842 static inline uint16_t mipsdsp_sat16_sub(int16_t a, int16_t b,
843 CPUMIPSState *env)
844 {
845 int16_t temp;
846
847 temp = a - b;
848 if (MIPSDSP_OVERFLOW_SUB(a, b, temp, 0x8000)) {
849 if (a >= 0) {
850 temp = 0x7FFF;
851 } else {
852 temp = 0x8000;
853 }
854 set_DSPControl_overflow_flag(1, 20, env);
855 }
856
857 return temp;
858 }
859
860 static inline uint32_t mipsdsp_sat32_sub(int32_t a, int32_t b,
861 CPUMIPSState *env)
862 {
863 int32_t temp;
864
865 temp = a - b;
866 if (MIPSDSP_OVERFLOW_SUB(a, b, temp, 0x80000000)) {
867 if (a >= 0) {
868 temp = 0x7FFFFFFF;
869 } else {
870 temp = 0x80000000;
871 }
872 set_DSPControl_overflow_flag(1, 20, env);
873 }
874
875 return temp & 0xFFFFFFFFull;
876 }
877
878 static inline uint16_t mipsdsp_rshift1_sub_q16(int16_t a, int16_t b)
879 {
880 int32_t temp;
881
882 temp = (int32_t)a - (int32_t)b;
883
884 return (temp >> 1) & 0x0000FFFF;
885 }
886
887 static inline uint16_t mipsdsp_rrshift1_sub_q16(int16_t a, int16_t b)
888 {
889 int32_t temp;
890
891 temp = (int32_t)a - (int32_t)b;
892 temp += 1;
893
894 return (temp >> 1) & 0x0000FFFF;
895 }
896
897 static inline uint32_t mipsdsp_rshift1_sub_q32(int32_t a, int32_t b)
898 {
899 int64_t temp;
900
901 temp = (int64_t)a - (int64_t)b;
902
903 return (temp >> 1) & 0xFFFFFFFFull;
904 }
905
906 static inline uint32_t mipsdsp_rrshift1_sub_q32(int32_t a, int32_t b)
907 {
908 int64_t temp;
909
910 temp = (int64_t)a - (int64_t)b;
911 temp += 1;
912
913 return (temp >> 1) & 0xFFFFFFFFull;
914 }
915
916 static inline uint16_t mipsdsp_sub_u16_u16(uint16_t a, uint16_t b,
917 CPUMIPSState *env)
918 {
919 uint8_t temp16;
920 uint32_t temp;
921
922 temp = (uint32_t)a - (uint32_t)b;
923 temp16 = (temp >> 16) & 0x01;
924 if (temp16 == 1) {
925 set_DSPControl_overflow_flag(1, 20, env);
926 }
927 return temp & 0x0000FFFF;
928 }
929
930 static inline uint16_t mipsdsp_satu16_sub_u16_u16(uint16_t a, uint16_t b,
931 CPUMIPSState *env)
932 {
933 uint8_t temp16;
934 uint32_t temp;
935
936 temp = (uint32_t)a - (uint32_t)b;
937 temp16 = (temp >> 16) & 0x01;
938
939 if (temp16 == 1) {
940 temp = 0x0000;
941 set_DSPControl_overflow_flag(1, 20, env);
942 }
943
944 return temp & 0x0000FFFF;
945 }
946
947 static inline uint8_t mipsdsp_sub_u8(uint8_t a, uint8_t b, CPUMIPSState *env)
948 {
949 uint8_t temp8;
950 uint16_t temp;
951
952 temp = (uint16_t)a - (uint16_t)b;
953 temp8 = (temp >> 8) & 0x01;
954 if (temp8 == 1) {
955 set_DSPControl_overflow_flag(1, 20, env);
956 }
957
958 return temp & 0x00FF;
959 }
960
961 static inline uint8_t mipsdsp_satu8_sub(uint8_t a, uint8_t b, CPUMIPSState *env)
962 {
963 uint8_t temp8;
964 uint16_t temp;
965
966 temp = (uint16_t)a - (uint16_t)b;
967 temp8 = (temp >> 8) & 0x01;
968 if (temp8 == 1) {
969 temp = 0x00;
970 set_DSPControl_overflow_flag(1, 20, env);
971 }
972
973 return temp & 0x00FF;
974 }
975
976 static inline uint32_t mipsdsp_sub32(int32_t a, int32_t b, CPUMIPSState *env)
977 {
978 int32_t temp;
979
980 temp = a - b;
981 if (MIPSDSP_OVERFLOW_SUB(a, b, temp, 0x80000000)) {
982 set_DSPControl_overflow_flag(1, 20, env);
983 }
984
985 return temp;
986 }
987
988 static inline int32_t mipsdsp_add_i32(int32_t a, int32_t b, CPUMIPSState *env)
989 {
990 int32_t temp;
991
992 temp = a + b;
993
994 if (MIPSDSP_OVERFLOW_ADD(a, b, temp, 0x80000000)) {
995 set_DSPControl_overflow_flag(1, 20, env);
996 }
997
998 return temp;
999 }
1000
1001 static inline int32_t mipsdsp_cmp_eq(int32_t a, int32_t b)
1002 {
1003 return a == b;
1004 }
1005
1006 static inline int32_t mipsdsp_cmp_le(int32_t a, int32_t b)
1007 {
1008 return a <= b;
1009 }
1010
1011 static inline int32_t mipsdsp_cmp_lt(int32_t a, int32_t b)
1012 {
1013 return a < b;
1014 }
1015
1016 static inline int32_t mipsdsp_cmpu_eq(uint32_t a, uint32_t b)
1017 {
1018 return a == b;
1019 }
1020
1021 static inline int32_t mipsdsp_cmpu_le(uint32_t a, uint32_t b)
1022 {
1023 return a <= b;
1024 }
1025
1026 static inline int32_t mipsdsp_cmpu_lt(uint32_t a, uint32_t b)
1027 {
1028 return a < b;
1029 }
1030 /*** MIPS DSP internal functions end ***/
1031
1032 #define MIPSDSP_LHI 0xFFFFFFFF00000000ull
1033 #define MIPSDSP_LLO 0x00000000FFFFFFFFull
1034 #define MIPSDSP_HI 0xFFFF0000
1035 #define MIPSDSP_LO 0x0000FFFF
1036 #define MIPSDSP_Q3 0xFF000000
1037 #define MIPSDSP_Q2 0x00FF0000
1038 #define MIPSDSP_Q1 0x0000FF00
1039 #define MIPSDSP_Q0 0x000000FF
1040
1041 #define MIPSDSP_SPLIT32_8(num, a, b, c, d) \
1042 do { \
1043 a = (num >> 24) & MIPSDSP_Q0; \
1044 b = (num >> 16) & MIPSDSP_Q0; \
1045 c = (num >> 8) & MIPSDSP_Q0; \
1046 d = num & MIPSDSP_Q0; \
1047 } while (0)
1048
1049 #define MIPSDSP_SPLIT32_16(num, a, b) \
1050 do { \
1051 a = (num >> 16) & MIPSDSP_LO; \
1052 b = num & MIPSDSP_LO; \
1053 } while (0)
1054
1055 #define MIPSDSP_RETURN32_8(a, b, c, d) ((target_long)(int32_t) \
1056 (((uint32_t)a << 24) | \
1057 (((uint32_t)b << 16) | \
1058 (((uint32_t)c << 8) | \
1059 ((uint32_t)d & 0xFF)))))
1060 #define MIPSDSP_RETURN32_16(a, b) ((target_long)(int32_t) \
1061 (((uint32_t)a << 16) | \
1062 ((uint32_t)b & 0xFFFF)))
1063
1064 #ifdef TARGET_MIPS64
1065 #define MIPSDSP_SPLIT64_16(num, a, b, c, d) \
1066 do { \
1067 a = (num >> 48) & MIPSDSP_LO; \
1068 b = (num >> 32) & MIPSDSP_LO; \
1069 c = (num >> 16) & MIPSDSP_LO; \
1070 d = num & MIPSDSP_LO; \
1071 } while (0)
1072
1073 #define MIPSDSP_SPLIT64_32(num, a, b) \
1074 do { \
1075 a = (num >> 32) & MIPSDSP_LLO; \
1076 b = num & MIPSDSP_LLO; \
1077 } while (0)
1078
1079 #define MIPSDSP_RETURN64_16(a, b, c, d) (((uint64_t)a << 48) | \
1080 ((uint64_t)b << 32) | \
1081 ((uint64_t)c << 16) | \
1082 (uint64_t)d)
1083 #define MIPSDSP_RETURN64_32(a, b) (((uint64_t)a << 32) | (uint64_t)b)
1084 #endif
1085
1086 /** DSP Arithmetic Sub-class insns **/
1087 #define MIPSDSP32_UNOP_ENV(name, func, element) \
1088 target_ulong helper_##name(target_ulong rt, CPUMIPSState *env) \
1089 { \
1090 DSP32Value dt; \
1091 unsigned int i; \
1092 \
1093 dt.sw[0] = rt; \
1094 \
1095 for (i = 0; i < ARRAY_SIZE(dt.element); i++) { \
1096 dt.element[i] = mipsdsp_##func(dt.element[i], env); \
1097 } \
1098 \
1099 return (target_long)dt.sw[0]; \
1100 }
1101 MIPSDSP32_UNOP_ENV(absq_s_ph, sat_abs16, sh)
1102 MIPSDSP32_UNOP_ENV(absq_s_qb, sat_abs8, sb)
1103 MIPSDSP32_UNOP_ENV(absq_s_w, sat_abs32, sw)
1104 #undef MIPSDSP32_UNOP_ENV
1105
1106 #if defined(TARGET_MIPS64)
1107 #define MIPSDSP64_UNOP_ENV(name, func, element) \
1108 target_ulong helper_##name(target_ulong rt, CPUMIPSState *env) \
1109 { \
1110 DSP64Value dt; \
1111 unsigned int i; \
1112 \
1113 dt.sl[0] = rt; \
1114 \
1115 for (i = 0; i < ARRAY_SIZE(dt.element); i++) { \
1116 dt.element[i] = mipsdsp_##func(dt.element[i], env); \
1117 } \
1118 \
1119 return dt.sl[0]; \
1120 }
1121 MIPSDSP64_UNOP_ENV(absq_s_ob, sat_abs8, sb)
1122 MIPSDSP64_UNOP_ENV(absq_s_qh, sat_abs16, sh)
1123 MIPSDSP64_UNOP_ENV(absq_s_pw, sat_abs32, sw)
1124 #undef MIPSDSP64_UNOP_ENV
1125 #endif
1126
1127 #define MIPSDSP32_BINOP(name, func, element) \
1128 target_ulong helper_##name(target_ulong rs, target_ulong rt) \
1129 { \
1130 DSP32Value ds, dt; \
1131 unsigned int i; \
1132 \
1133 ds.sw[0] = rs; \
1134 dt.sw[0] = rt; \
1135 \
1136 for (i = 0; i < ARRAY_SIZE(ds.element); i++) { \
1137 ds.element[i] = mipsdsp_##func(ds.element[i], dt.element[i]); \
1138 } \
1139 \
1140 return (target_long)ds.sw[0]; \
1141 }
1142 MIPSDSP32_BINOP(addqh_ph, rshift1_add_q16, sh);
1143 MIPSDSP32_BINOP(addqh_r_ph, rrshift1_add_q16, sh);
1144 MIPSDSP32_BINOP(addqh_r_w, rrshift1_add_q32, sw);
1145 MIPSDSP32_BINOP(addqh_w, rshift1_add_q32, sw);
1146 MIPSDSP32_BINOP(adduh_qb, rshift1_add_u8, ub);
1147 MIPSDSP32_BINOP(adduh_r_qb, rrshift1_add_u8, ub);
1148 MIPSDSP32_BINOP(subqh_ph, rshift1_sub_q16, sh);
1149 MIPSDSP32_BINOP(subqh_r_ph, rrshift1_sub_q16, sh);
1150 MIPSDSP32_BINOP(subqh_r_w, rrshift1_sub_q32, sw);
1151 MIPSDSP32_BINOP(subqh_w, rshift1_sub_q32, sw);
1152 #undef MIPSDSP32_BINOP
1153
1154 #define MIPSDSP32_BINOP_ENV(name, func, element) \
1155 target_ulong helper_##name(target_ulong rs, target_ulong rt, \
1156 CPUMIPSState *env) \
1157 { \
1158 DSP32Value ds, dt; \
1159 unsigned int i; \
1160 \
1161 ds.sw[0] = rs; \
1162 dt.sw[0] = rt; \
1163 \
1164 for (i = 0 ; i < ARRAY_SIZE(ds.element); i++) { \
1165 ds.element[i] = mipsdsp_##func(ds.element[i], dt.element[i], env); \
1166 } \
1167 \
1168 return (target_long)ds.sw[0]; \
1169 }
1170 MIPSDSP32_BINOP_ENV(addq_ph, add_i16, sh)
1171 MIPSDSP32_BINOP_ENV(addq_s_ph, sat_add_i16, sh)
1172 MIPSDSP32_BINOP_ENV(addq_s_w, sat_add_i32, sw);
1173 MIPSDSP32_BINOP_ENV(addu_ph, add_u16, sh)
1174 MIPSDSP32_BINOP_ENV(addu_qb, add_u8, ub);
1175 MIPSDSP32_BINOP_ENV(addu_s_ph, sat_add_u16, sh)
1176 MIPSDSP32_BINOP_ENV(addu_s_qb, sat_add_u8, ub);
1177 MIPSDSP32_BINOP_ENV(subq_ph, sub_i16, sh);
1178 MIPSDSP32_BINOP_ENV(subq_s_ph, sat16_sub, sh);
1179 MIPSDSP32_BINOP_ENV(subq_s_w, sat32_sub, sw);
1180 MIPSDSP32_BINOP_ENV(subu_ph, sub_u16_u16, sh);
1181 MIPSDSP32_BINOP_ENV(subu_qb, sub_u8, ub);
1182 MIPSDSP32_BINOP_ENV(subu_s_ph, satu16_sub_u16_u16, sh);
1183 MIPSDSP32_BINOP_ENV(subu_s_qb, satu8_sub, ub);
1184 #undef MIPSDSP32_BINOP_ENV
1185
1186 #ifdef TARGET_MIPS64
1187 #define MIPSDSP64_BINOP(name, func, element) \
1188 target_ulong helper_##name(target_ulong rs, target_ulong rt) \
1189 { \
1190 DSP64Value ds, dt; \
1191 unsigned int i; \
1192 \
1193 ds.sl[0] = rs; \
1194 dt.sl[0] = rt; \
1195 \
1196 for (i = 0 ; i < ARRAY_SIZE(ds.element); i++) { \
1197 ds.element[i] = mipsdsp_##func(ds.element[i], dt.element[i]); \
1198 } \
1199 \
1200 return ds.sl[0]; \
1201 }
1202 MIPSDSP64_BINOP(adduh_ob, rshift1_add_u8, ub);
1203 MIPSDSP64_BINOP(adduh_r_ob, rrshift1_add_u8, ub);
1204 MIPSDSP64_BINOP(subuh_ob, rshift1_sub_u8, ub);
1205 MIPSDSP64_BINOP(subuh_r_ob, rrshift1_sub_u8, ub);
1206 #undef MIPSDSP64_BINOP
1207
1208 #define MIPSDSP64_BINOP_ENV(name, func, element) \
1209 target_ulong helper_##name(target_ulong rs, target_ulong rt, \
1210 CPUMIPSState *env) \
1211 { \
1212 DSP64Value ds, dt; \
1213 unsigned int i; \
1214 \
1215 ds.sl[0] = rs; \
1216 dt.sl[0] = rt; \
1217 \
1218 for (i = 0 ; i < ARRAY_SIZE(ds.element); i++) { \
1219 ds.element[i] = mipsdsp_##func(ds.element[i], dt.element[i], env); \
1220 } \
1221 \
1222 return ds.sl[0]; \
1223 }
1224 MIPSDSP64_BINOP_ENV(addq_pw, add_i32, sw);
1225 MIPSDSP64_BINOP_ENV(addq_qh, add_i16, sh);
1226 MIPSDSP64_BINOP_ENV(addq_s_pw, sat_add_i32, sw);
1227 MIPSDSP64_BINOP_ENV(addq_s_qh, sat_add_i16, sh);
1228 MIPSDSP64_BINOP_ENV(addu_ob, add_u8, uh);
1229 MIPSDSP64_BINOP_ENV(addu_qh, add_u16, uh);
1230 MIPSDSP64_BINOP_ENV(addu_s_ob, sat_add_u8, uh);
1231 MIPSDSP64_BINOP_ENV(addu_s_qh, sat_add_u16, uh);
1232 MIPSDSP64_BINOP_ENV(subq_pw, sub32, sw);
1233 MIPSDSP64_BINOP_ENV(subq_qh, sub_i16, sh);
1234 MIPSDSP64_BINOP_ENV(subq_s_pw, sat32_sub, sw);
1235 MIPSDSP64_BINOP_ENV(subq_s_qh, sat16_sub, sh);
1236 MIPSDSP64_BINOP_ENV(subu_ob, sub_u8, uh);
1237 MIPSDSP64_BINOP_ENV(subu_qh, sub_u16_u16, uh);
1238 MIPSDSP64_BINOP_ENV(subu_s_ob, satu8_sub, uh);
1239 MIPSDSP64_BINOP_ENV(subu_s_qh, satu16_sub_u16_u16, uh);
1240 #undef MIPSDSP64_BINOP_ENV
1241
1242 #endif
1243
1244 #define SUBUH_QB(name, var) \
1245 target_ulong helper_##name##_qb(target_ulong rs, target_ulong rt) \
1246 { \
1247 uint8_t rs3, rs2, rs1, rs0; \
1248 uint8_t rt3, rt2, rt1, rt0; \
1249 uint8_t tempD, tempC, tempB, tempA; \
1250 \
1251 MIPSDSP_SPLIT32_8(rs, rs3, rs2, rs1, rs0); \
1252 MIPSDSP_SPLIT32_8(rt, rt3, rt2, rt1, rt0); \
1253 \
1254 tempD = ((uint16_t)rs3 - (uint16_t)rt3 + var) >> 1; \
1255 tempC = ((uint16_t)rs2 - (uint16_t)rt2 + var) >> 1; \
1256 tempB = ((uint16_t)rs1 - (uint16_t)rt1 + var) >> 1; \
1257 tempA = ((uint16_t)rs0 - (uint16_t)rt0 + var) >> 1; \
1258 \
1259 return ((uint32_t)tempD << 24) | ((uint32_t)tempC << 16) | \
1260 ((uint32_t)tempB << 8) | ((uint32_t)tempA); \
1261 }
1262
1263 SUBUH_QB(subuh, 0);
1264 SUBUH_QB(subuh_r, 1);
1265
1266 #undef SUBUH_QB
1267
1268 target_ulong helper_addsc(target_ulong rs, target_ulong rt, CPUMIPSState *env)
1269 {
1270 uint64_t temp, tempRs, tempRt;
1271 bool flag;
1272
1273 tempRs = (uint64_t)rs & MIPSDSP_LLO;
1274 tempRt = (uint64_t)rt & MIPSDSP_LLO;
1275
1276 temp = tempRs + tempRt;
1277 flag = (temp & 0x0100000000ull) >> 32;
1278 set_DSPControl_carryflag(flag, env);
1279
1280 return (target_long)(int32_t)(temp & MIPSDSP_LLO);
1281 }
1282
1283 target_ulong helper_addwc(target_ulong rs, target_ulong rt, CPUMIPSState *env)
1284 {
1285 uint32_t rd;
1286 int32_t temp32, temp31;
1287 int64_t tempL;
1288
1289 tempL = (int64_t)(int32_t)rs + (int64_t)(int32_t)rt +
1290 get_DSPControl_carryflag(env);
1291 temp31 = (tempL >> 31) & 0x01;
1292 temp32 = (tempL >> 32) & 0x01;
1293
1294 if (temp31 != temp32) {
1295 set_DSPControl_overflow_flag(1, 20, env);
1296 }
1297
1298 rd = tempL & MIPSDSP_LLO;
1299
1300 return (target_long)(int32_t)rd;
1301 }
1302
1303 target_ulong helper_modsub(target_ulong rs, target_ulong rt)
1304 {
1305 int32_t decr;
1306 uint16_t lastindex;
1307 target_ulong rd;
1308
1309 decr = rt & MIPSDSP_Q0;
1310 lastindex = (rt >> 8) & MIPSDSP_LO;
1311
1312 if ((rs & MIPSDSP_LLO) == 0x00000000) {
1313 rd = (target_ulong)lastindex;
1314 } else {
1315 rd = rs - decr;
1316 }
1317
1318 return rd;
1319 }
1320
1321 target_ulong helper_raddu_w_qb(target_ulong rs)
1322 {
1323 target_ulong ret = 0;
1324 DSP32Value ds;
1325 unsigned int i;
1326
1327 ds.uw[0] = rs;
1328 for (i = 0; i < 4; i++) {
1329 ret += ds.ub[i];
1330 }
1331 return ret;
1332 }
1333
1334 #if defined(TARGET_MIPS64)
1335 target_ulong helper_raddu_l_ob(target_ulong rs)
1336 {
1337 target_ulong ret = 0;
1338 DSP64Value ds;
1339 unsigned int i;
1340
1341 ds.ul[0] = rs;
1342 for (i = 0; i < 8; i++) {
1343 ret += ds.ub[i];
1344 }
1345 return ret;
1346 }
1347 #endif
1348
1349 #define PRECR_QB_PH(name, a, b)\
1350 target_ulong helper_##name##_qb_ph(target_ulong rs, target_ulong rt) \
1351 { \
1352 uint8_t tempD, tempC, tempB, tempA; \
1353 \
1354 tempD = (rs >> a) & MIPSDSP_Q0; \
1355 tempC = (rs >> b) & MIPSDSP_Q0; \
1356 tempB = (rt >> a) & MIPSDSP_Q0; \
1357 tempA = (rt >> b) & MIPSDSP_Q0; \
1358 \
1359 return MIPSDSP_RETURN32_8(tempD, tempC, tempB, tempA); \
1360 }
1361
1362 PRECR_QB_PH(precr, 16, 0);
1363 PRECR_QB_PH(precrq, 24, 8);
1364
1365 #undef PRECR_QB_OH
1366
1367 target_ulong helper_precr_sra_ph_w(uint32_t sa, target_ulong rs,
1368 target_ulong rt)
1369 {
1370 uint16_t tempB, tempA;
1371
1372 tempB = ((int32_t)rt >> sa) & MIPSDSP_LO;
1373 tempA = ((int32_t)rs >> sa) & MIPSDSP_LO;
1374
1375 return MIPSDSP_RETURN32_16(tempB, tempA);
1376 }
1377
1378 target_ulong helper_precr_sra_r_ph_w(uint32_t sa,
1379 target_ulong rs, target_ulong rt)
1380 {
1381 uint64_t tempB, tempA;
1382
1383 /* If sa = 0, then (sa - 1) = -1 will case shift error, so we need else. */
1384 if (sa == 0) {
1385 tempB = (rt & MIPSDSP_LO) << 1;
1386 tempA = (rs & MIPSDSP_LO) << 1;
1387 } else {
1388 tempB = ((int32_t)rt >> (sa - 1)) + 1;
1389 tempA = ((int32_t)rs >> (sa - 1)) + 1;
1390 }
1391 rt = (((tempB >> 1) & MIPSDSP_LO) << 16) | ((tempA >> 1) & MIPSDSP_LO);
1392
1393 return (target_long)(int32_t)rt;
1394 }
1395
1396 target_ulong helper_precrq_ph_w(target_ulong rs, target_ulong rt)
1397 {
1398 uint16_t tempB, tempA;
1399
1400 tempB = (rs & MIPSDSP_HI) >> 16;
1401 tempA = (rt & MIPSDSP_HI) >> 16;
1402
1403 return MIPSDSP_RETURN32_16(tempB, tempA);
1404 }
1405
1406 target_ulong helper_precrq_rs_ph_w(target_ulong rs, target_ulong rt,
1407 CPUMIPSState *env)
1408 {
1409 uint16_t tempB, tempA;
1410
1411 tempB = mipsdsp_trunc16_sat16_round(rs, env);
1412 tempA = mipsdsp_trunc16_sat16_round(rt, env);
1413
1414 return MIPSDSP_RETURN32_16(tempB, tempA);
1415 }
1416
1417 #if defined(TARGET_MIPS64)
1418 target_ulong helper_precr_ob_qh(target_ulong rs, target_ulong rt)
1419 {
1420 uint8_t rs6, rs4, rs2, rs0;
1421 uint8_t rt6, rt4, rt2, rt0;
1422 uint64_t temp;
1423
1424 rs6 = (rs >> 48) & MIPSDSP_Q0;
1425 rs4 = (rs >> 32) & MIPSDSP_Q0;
1426 rs2 = (rs >> 16) & MIPSDSP_Q0;
1427 rs0 = rs & MIPSDSP_Q0;
1428 rt6 = (rt >> 48) & MIPSDSP_Q0;
1429 rt4 = (rt >> 32) & MIPSDSP_Q0;
1430 rt2 = (rt >> 16) & MIPSDSP_Q0;
1431 rt0 = rt & MIPSDSP_Q0;
1432
1433 temp = ((uint64_t)rs6 << 56) | ((uint64_t)rs4 << 48) |
1434 ((uint64_t)rs2 << 40) | ((uint64_t)rs0 << 32) |
1435 ((uint64_t)rt6 << 24) | ((uint64_t)rt4 << 16) |
1436 ((uint64_t)rt2 << 8) | (uint64_t)rt0;
1437
1438 return temp;
1439 }
1440
1441 #define PRECR_QH_PW(name, var) \
1442 target_ulong helper_precr_##name##_qh_pw(target_ulong rs, target_ulong rt, \
1443 uint32_t sa) \
1444 { \
1445 uint16_t rs3, rs2, rs1, rs0; \
1446 uint16_t rt3, rt2, rt1, rt0; \
1447 uint16_t tempD, tempC, tempB, tempA; \
1448 \
1449 MIPSDSP_SPLIT64_16(rs, rs3, rs2, rs1, rs0); \
1450 MIPSDSP_SPLIT64_16(rt, rt3, rt2, rt1, rt0); \
1451 \
1452 /* When sa = 0, we use rt2, rt0, rs2, rs0; \
1453 * when sa != 0, we use rt3, rt1, rs3, rs1. */ \
1454 if (sa == 0) { \
1455 tempD = rt2 << var; \
1456 tempC = rt0 << var; \
1457 tempB = rs2 << var; \
1458 tempA = rs0 << var; \
1459 } else { \
1460 tempD = (((int16_t)rt3 >> sa) + var) >> var; \
1461 tempC = (((int16_t)rt1 >> sa) + var) >> var; \
1462 tempB = (((int16_t)rs3 >> sa) + var) >> var; \
1463 tempA = (((int16_t)rs1 >> sa) + var) >> var; \
1464 } \
1465 \
1466 return MIPSDSP_RETURN64_16(tempD, tempC, tempB, tempA); \
1467 }
1468
1469 PRECR_QH_PW(sra, 0);
1470 PRECR_QH_PW(sra_r, 1);
1471
1472 #undef PRECR_QH_PW
1473
1474 target_ulong helper_precrq_ob_qh(target_ulong rs, target_ulong rt)
1475 {
1476 uint8_t rs6, rs4, rs2, rs0;
1477 uint8_t rt6, rt4, rt2, rt0;
1478 uint64_t temp;
1479
1480 rs6 = (rs >> 56) & MIPSDSP_Q0;
1481 rs4 = (rs >> 40) & MIPSDSP_Q0;
1482 rs2 = (rs >> 24) & MIPSDSP_Q0;
1483 rs0 = (rs >> 8) & MIPSDSP_Q0;
1484 rt6 = (rt >> 56) & MIPSDSP_Q0;
1485 rt4 = (rt >> 40) & MIPSDSP_Q0;
1486 rt2 = (rt >> 24) & MIPSDSP_Q0;
1487 rt0 = (rt >> 8) & MIPSDSP_Q0;
1488
1489 temp = ((uint64_t)rs6 << 56) | ((uint64_t)rs4 << 48) |
1490 ((uint64_t)rs2 << 40) | ((uint64_t)rs0 << 32) |
1491 ((uint64_t)rt6 << 24) | ((uint64_t)rt4 << 16) |
1492 ((uint64_t)rt2 << 8) | (uint64_t)rt0;
1493
1494 return temp;
1495 }
1496
1497 target_ulong helper_precrq_qh_pw(target_ulong rs, target_ulong rt)
1498 {
1499 uint16_t tempD, tempC, tempB, tempA;
1500
1501 tempD = (rs >> 48) & MIPSDSP_LO;
1502 tempC = (rs >> 16) & MIPSDSP_LO;
1503 tempB = (rt >> 48) & MIPSDSP_LO;
1504 tempA = (rt >> 16) & MIPSDSP_LO;
1505
1506 return MIPSDSP_RETURN64_16(tempD, tempC, tempB, tempA);
1507 }
1508
1509 target_ulong helper_precrq_rs_qh_pw(target_ulong rs, target_ulong rt,
1510 CPUMIPSState *env)
1511 {
1512 uint32_t rs2, rs0;
1513 uint32_t rt2, rt0;
1514 uint16_t tempD, tempC, tempB, tempA;
1515
1516 rs2 = (rs >> 32) & MIPSDSP_LLO;
1517 rs0 = rs & MIPSDSP_LLO;
1518 rt2 = (rt >> 32) & MIPSDSP_LLO;
1519 rt0 = rt & MIPSDSP_LLO;
1520
1521 tempD = mipsdsp_trunc16_sat16_round(rs2, env);
1522 tempC = mipsdsp_trunc16_sat16_round(rs0, env);
1523 tempB = mipsdsp_trunc16_sat16_round(rt2, env);
1524 tempA = mipsdsp_trunc16_sat16_round(rt0, env);
1525
1526 return MIPSDSP_RETURN64_16(tempD, tempC, tempB, tempA);
1527 }
1528
1529 target_ulong helper_precrq_pw_l(target_ulong rs, target_ulong rt)
1530 {
1531 uint32_t tempB, tempA;
1532
1533 tempB = (rs >> 32) & MIPSDSP_LLO;
1534 tempA = (rt >> 32) & MIPSDSP_LLO;
1535
1536 return MIPSDSP_RETURN64_32(tempB, tempA);
1537 }
1538 #endif
1539
1540 target_ulong helper_precrqu_s_qb_ph(target_ulong rs, target_ulong rt,
1541 CPUMIPSState *env)
1542 {
1543 uint8_t tempD, tempC, tempB, tempA;
1544 uint16_t rsh, rsl, rth, rtl;
1545
1546 rsh = (rs & MIPSDSP_HI) >> 16;
1547 rsl = rs & MIPSDSP_LO;
1548 rth = (rt & MIPSDSP_HI) >> 16;
1549 rtl = rt & MIPSDSP_LO;
1550
1551 tempD = mipsdsp_sat8_reduce_precision(rsh, env);
1552 tempC = mipsdsp_sat8_reduce_precision(rsl, env);
1553 tempB = mipsdsp_sat8_reduce_precision(rth, env);
1554 tempA = mipsdsp_sat8_reduce_precision(rtl, env);
1555
1556 return MIPSDSP_RETURN32_8(tempD, tempC, tempB, tempA);
1557 }
1558
1559 #if defined(TARGET_MIPS64)
1560 target_ulong helper_precrqu_s_ob_qh(target_ulong rs, target_ulong rt,
1561 CPUMIPSState *env)
1562 {
1563 int i;
1564 uint16_t rs3, rs2, rs1, rs0;
1565 uint16_t rt3, rt2, rt1, rt0;
1566 uint8_t temp[8];
1567 uint64_t result;
1568
1569 result = 0;
1570
1571 MIPSDSP_SPLIT64_16(rs, rs3, rs2, rs1, rs0);
1572 MIPSDSP_SPLIT64_16(rt, rt3, rt2, rt1, rt0);
1573
1574 temp[7] = mipsdsp_sat8_reduce_precision(rs3, env);
1575 temp[6] = mipsdsp_sat8_reduce_precision(rs2, env);
1576 temp[5] = mipsdsp_sat8_reduce_precision(rs1, env);
1577 temp[4] = mipsdsp_sat8_reduce_precision(rs0, env);
1578 temp[3] = mipsdsp_sat8_reduce_precision(rt3, env);
1579 temp[2] = mipsdsp_sat8_reduce_precision(rt2, env);
1580 temp[1] = mipsdsp_sat8_reduce_precision(rt1, env);
1581 temp[0] = mipsdsp_sat8_reduce_precision(rt0, env);
1582
1583 for (i = 0; i < 8; i++) {
1584 result |= (uint64_t)temp[i] << (8 * i);
1585 }
1586
1587 return result;
1588 }
1589
1590 #define PRECEQ_PW(name, a, b) \
1591 target_ulong helper_preceq_pw_##name(target_ulong rt) \
1592 { \
1593 uint16_t tempB, tempA; \
1594 uint32_t tempBI, tempAI; \
1595 \
1596 tempB = (rt >> a) & MIPSDSP_LO; \
1597 tempA = (rt >> b) & MIPSDSP_LO; \
1598 \
1599 tempBI = (uint32_t)tempB << 16; \
1600 tempAI = (uint32_t)tempA << 16; \
1601 \
1602 return MIPSDSP_RETURN64_32(tempBI, tempAI); \
1603 }
1604
1605 PRECEQ_PW(qhl, 48, 32);
1606 PRECEQ_PW(qhr, 16, 0);
1607 PRECEQ_PW(qhla, 48, 16);
1608 PRECEQ_PW(qhra, 32, 0);
1609
1610 #undef PRECEQ_PW
1611
1612 #endif
1613
1614 #define PRECEQU_PH(name, a, b) \
1615 target_ulong helper_precequ_ph_##name(target_ulong rt) \
1616 { \
1617 uint16_t tempB, tempA; \
1618 \
1619 tempB = (rt >> a) & MIPSDSP_Q0; \
1620 tempA = (rt >> b) & MIPSDSP_Q0; \
1621 \
1622 tempB = tempB << 7; \
1623 tempA = tempA << 7; \
1624 \
1625 return MIPSDSP_RETURN32_16(tempB, tempA); \
1626 }
1627
1628 PRECEQU_PH(qbl, 24, 16);
1629 PRECEQU_PH(qbr, 8, 0);
1630 PRECEQU_PH(qbla, 24, 8);
1631 PRECEQU_PH(qbra, 16, 0);
1632
1633 #undef PRECEQU_PH
1634
1635 #if defined(TARGET_MIPS64)
1636 #define PRECEQU_QH(name, a, b, c, d) \
1637 target_ulong helper_precequ_qh_##name(target_ulong rt) \
1638 { \
1639 uint16_t tempD, tempC, tempB, tempA; \
1640 \
1641 tempD = (rt >> a) & MIPSDSP_Q0; \
1642 tempC = (rt >> b) & MIPSDSP_Q0; \
1643 tempB = (rt >> c) & MIPSDSP_Q0; \
1644 tempA = (rt >> d) & MIPSDSP_Q0; \
1645 \
1646 tempD = tempD << 7; \
1647 tempC = tempC << 7; \
1648 tempB = tempB << 7; \
1649 tempA = tempA << 7; \
1650 \
1651 return MIPSDSP_RETURN64_16(tempD, tempC, tempB, tempA); \
1652 }
1653
1654 PRECEQU_QH(obl, 56, 48, 40, 32);
1655 PRECEQU_QH(obr, 24, 16, 8, 0);
1656 PRECEQU_QH(obla, 56, 40, 24, 8);
1657 PRECEQU_QH(obra, 48, 32, 16, 0);
1658
1659 #undef PRECEQU_QH
1660
1661 #endif
1662
1663 #define PRECEU_PH(name, a, b) \
1664 target_ulong helper_preceu_ph_##name(target_ulong rt) \
1665 { \
1666 uint16_t tempB, tempA; \
1667 \
1668 tempB = (rt >> a) & MIPSDSP_Q0; \
1669 tempA = (rt >> b) & MIPSDSP_Q0; \
1670 \
1671 return MIPSDSP_RETURN32_16(tempB, tempA); \
1672 }
1673
1674 PRECEU_PH(qbl, 24, 16);
1675 PRECEU_PH(qbr, 8, 0);
1676 PRECEU_PH(qbla, 24, 8);
1677 PRECEU_PH(qbra, 16, 0);
1678
1679 #undef PRECEU_PH
1680
1681 #if defined(TARGET_MIPS64)
1682 #define PRECEU_QH(name, a, b, c, d) \
1683 target_ulong helper_preceu_qh_##name(target_ulong rt) \
1684 { \
1685 uint16_t tempD, tempC, tempB, tempA; \
1686 \
1687 tempD = (rt >> a) & MIPSDSP_Q0; \
1688 tempC = (rt >> b) & MIPSDSP_Q0; \
1689 tempB = (rt >> c) & MIPSDSP_Q0; \
1690 tempA = (rt >> d) & MIPSDSP_Q0; \
1691 \
1692 return MIPSDSP_RETURN64_16(tempD, tempC, tempB, tempA); \
1693 }
1694
1695 PRECEU_QH(obl, 56, 48, 40, 32);
1696 PRECEU_QH(obr, 24, 16, 8, 0);
1697 PRECEU_QH(obla, 56, 40, 24, 8);
1698 PRECEU_QH(obra, 48, 32, 16, 0);
1699
1700 #undef PRECEU_QH
1701
1702 #endif
1703
1704 /** DSP GPR-Based Shift Sub-class insns **/
1705 #define SHIFT_QB(name, func) \
1706 target_ulong helper_##name##_qb(target_ulong sa, target_ulong rt) \
1707 { \
1708 uint8_t rt3, rt2, rt1, rt0; \
1709 \
1710 sa = sa & 0x07; \
1711 \
1712 MIPSDSP_SPLIT32_8(rt, rt3, rt2, rt1, rt0); \
1713 \
1714 rt3 = mipsdsp_##func(rt3, sa); \
1715 rt2 = mipsdsp_##func(rt2, sa); \
1716 rt1 = mipsdsp_##func(rt1, sa); \
1717 rt0 = mipsdsp_##func(rt0, sa); \
1718 \
1719 return MIPSDSP_RETURN32_8(rt3, rt2, rt1, rt0); \
1720 }
1721
1722 #define SHIFT_QB_ENV(name, func) \
1723 target_ulong helper_##name##_qb(target_ulong sa, target_ulong rt,\
1724 CPUMIPSState *env) \
1725 { \
1726 uint8_t rt3, rt2, rt1, rt0; \
1727 \
1728 sa = sa & 0x07; \
1729 \
1730 MIPSDSP_SPLIT32_8(rt, rt3, rt2, rt1, rt0); \
1731 \
1732 rt3 = mipsdsp_##func(rt3, sa, env); \
1733 rt2 = mipsdsp_##func(rt2, sa, env); \
1734 rt1 = mipsdsp_##func(rt1, sa, env); \
1735 rt0 = mipsdsp_##func(rt0, sa, env); \
1736 \
1737 return MIPSDSP_RETURN32_8(rt3, rt2, rt1, rt0); \
1738 }
1739
1740 SHIFT_QB_ENV(shll, lshift8);
1741 SHIFT_QB(shrl, rshift_u8);
1742
1743 SHIFT_QB(shra, rashift8);
1744 SHIFT_QB(shra_r, rnd8_rashift);
1745
1746 #undef SHIFT_QB
1747 #undef SHIFT_QB_ENV
1748
1749 #if defined(TARGET_MIPS64)
1750 #define SHIFT_OB(name, func) \
1751 target_ulong helper_##name##_ob(target_ulong rt, target_ulong sa) \
1752 { \
1753 int i; \
1754 uint8_t rt_t[8]; \
1755 uint64_t temp; \
1756 \
1757 sa = sa & 0x07; \
1758 temp = 0; \
1759 \
1760 for (i = 0; i < 8; i++) { \
1761 rt_t[i] = (rt >> (8 * i)) & MIPSDSP_Q0; \
1762 rt_t[i] = mipsdsp_##func(rt_t[i], sa); \
1763 temp |= (uint64_t)rt_t[i] << (8 * i); \
1764 } \
1765 \
1766 return temp; \
1767 }
1768
1769 #define SHIFT_OB_ENV(name, func) \
1770 target_ulong helper_##name##_ob(target_ulong rt, target_ulong sa, \
1771 CPUMIPSState *env) \
1772 { \
1773 int i; \
1774 uint8_t rt_t[8]; \
1775 uint64_t temp; \
1776 \
1777 sa = sa & 0x07; \
1778 temp = 0; \
1779 \
1780 for (i = 0; i < 8; i++) { \
1781 rt_t[i] = (rt >> (8 * i)) & MIPSDSP_Q0; \
1782 rt_t[i] = mipsdsp_##func(rt_t[i], sa, env); \
1783 temp |= (uint64_t)rt_t[i] << (8 * i); \
1784 } \
1785 \
1786 return temp; \
1787 }
1788
1789 SHIFT_OB_ENV(shll, lshift8);
1790 SHIFT_OB(shrl, rshift_u8);
1791
1792 SHIFT_OB(shra, rashift8);
1793 SHIFT_OB(shra_r, rnd8_rashift);
1794
1795 #undef SHIFT_OB
1796 #undef SHIFT_OB_ENV
1797
1798 #endif
1799
1800 #define SHIFT_PH(name, func) \
1801 target_ulong helper_##name##_ph(target_ulong sa, target_ulong rt, \
1802 CPUMIPSState *env) \
1803 { \
1804 uint16_t rth, rtl; \
1805 \
1806 sa = sa & 0x0F; \
1807 \
1808 MIPSDSP_SPLIT32_16(rt, rth, rtl); \
1809 \
1810 rth = mipsdsp_##func(rth, sa, env); \
1811 rtl = mipsdsp_##func(rtl, sa, env); \
1812 \
1813 return MIPSDSP_RETURN32_16(rth, rtl); \
1814 }
1815
1816 SHIFT_PH(shll, lshift16);
1817 SHIFT_PH(shll_s, sat16_lshift);
1818
1819 #undef SHIFT_PH
1820
1821 #if defined(TARGET_MIPS64)
1822 #define SHIFT_QH(name, func) \
1823 target_ulong helper_##name##_qh(target_ulong rt, target_ulong sa) \
1824 { \
1825 uint16_t rt3, rt2, rt1, rt0; \
1826 \
1827 sa = sa & 0x0F; \
1828 \
1829 MIPSDSP_SPLIT64_16(rt, rt3, rt2, rt1, rt0); \
1830 \
1831 rt3 = mipsdsp_##func(rt3, sa); \
1832 rt2 = mipsdsp_##func(rt2, sa); \
1833 rt1 = mipsdsp_##func(rt1, sa); \
1834 rt0 = mipsdsp_##func(rt0, sa); \
1835 \
1836 return MIPSDSP_RETURN64_16(rt3, rt2, rt1, rt0); \
1837 }
1838
1839 #define SHIFT_QH_ENV(name, func) \
1840 target_ulong helper_##name##_qh(target_ulong rt, target_ulong sa, \
1841 CPUMIPSState *env) \
1842 { \
1843 uint16_t rt3, rt2, rt1, rt0; \
1844 \
1845 sa = sa & 0x0F; \
1846 \
1847 MIPSDSP_SPLIT64_16(rt, rt3, rt2, rt1, rt0); \
1848 \
1849 rt3 = mipsdsp_##func(rt3, sa, env); \
1850 rt2 = mipsdsp_##func(rt2, sa, env); \
1851 rt1 = mipsdsp_##func(rt1, sa, env); \
1852 rt0 = mipsdsp_##func(rt0, sa, env); \
1853 \
1854 return MIPSDSP_RETURN64_16(rt3, rt2, rt1, rt0); \
1855 }
1856
1857 SHIFT_QH_ENV(shll, lshift16);
1858 SHIFT_QH_ENV(shll_s, sat16_lshift);
1859
1860 SHIFT_QH(shrl, rshift_u16);
1861 SHIFT_QH(shra, rashift16);
1862 SHIFT_QH(shra_r, rnd16_rashift);
1863
1864 #undef SHIFT_QH
1865 #undef SHIFT_QH_ENV
1866
1867 #endif
1868
1869 #define SHIFT_W(name, func) \
1870 target_ulong helper_##name##_w(target_ulong sa, target_ulong rt) \
1871 { \
1872 uint32_t temp; \
1873 \
1874 sa = sa & 0x1F; \
1875 temp = mipsdsp_##func(rt, sa); \
1876 \
1877 return (target_long)(int32_t)temp; \
1878 }
1879
1880 #define SHIFT_W_ENV(name, func) \
1881 target_ulong helper_##name##_w(target_ulong sa, target_ulong rt, \
1882 CPUMIPSState *env) \
1883 { \
1884 uint32_t temp; \
1885 \
1886 sa = sa & 0x1F; \
1887 temp = mipsdsp_##func(rt, sa, env); \
1888 \
1889 return (target_long)(int32_t)temp; \
1890 }
1891
1892 SHIFT_W_ENV(shll_s, sat32_lshift);
1893 SHIFT_W(shra_r, rnd32_rashift);
1894
1895 #undef SHIFT_W
1896 #undef SHIFT_W_ENV
1897
1898 #if defined(TARGET_MIPS64)
1899 #define SHIFT_PW(name, func) \
1900 target_ulong helper_##name##_pw(target_ulong rt, target_ulong sa) \
1901 { \
1902 uint32_t rt1, rt0; \
1903 \
1904 sa = sa & 0x1F; \
1905 MIPSDSP_SPLIT64_32(rt, rt1, rt0); \
1906 \
1907 rt1 = mipsdsp_##func(rt1, sa); \
1908 rt0 = mipsdsp_##func(rt0, sa); \
1909 \
1910 return MIPSDSP_RETURN64_32(rt1, rt0); \
1911 }
1912
1913 #define SHIFT_PW_ENV(name, func) \
1914 target_ulong helper_##name##_pw(target_ulong rt, target_ulong sa, \
1915 CPUMIPSState *env) \
1916 { \
1917 uint32_t rt1, rt0; \
1918 \
1919 sa = sa & 0x1F; \
1920 MIPSDSP_SPLIT64_32(rt, rt1, rt0); \
1921 \
1922 rt1 = mipsdsp_##func(rt1, sa, env); \
1923 rt0 = mipsdsp_##func(rt0, sa, env); \
1924 \
1925 return MIPSDSP_RETURN64_32(rt1, rt0); \
1926 }
1927
1928 SHIFT_PW_ENV(shll, lshift32);
1929 SHIFT_PW_ENV(shll_s, sat32_lshift);
1930
1931 SHIFT_PW(shra, rashift32);
1932 SHIFT_PW(shra_r, rnd32_rashift);
1933
1934 #undef SHIFT_PW
1935 #undef SHIFT_PW_ENV
1936
1937 #endif
1938
1939 #define SHIFT_PH(name, func) \
1940 target_ulong helper_##name##_ph(target_ulong sa, target_ulong rt) \
1941 { \
1942 uint16_t rth, rtl; \
1943 \
1944 sa = sa & 0x0F; \
1945 \
1946 MIPSDSP_SPLIT32_16(rt, rth, rtl); \
1947 \
1948 rth = mipsdsp_##func(rth, sa); \
1949 rtl = mipsdsp_##func(rtl, sa); \
1950 \
1951 return MIPSDSP_RETURN32_16(rth, rtl); \
1952 }
1953
1954 SHIFT_PH(shrl, rshift_u16);
1955 SHIFT_PH(shra, rashift16);
1956 SHIFT_PH(shra_r, rnd16_rashift);
1957
1958 #undef SHIFT_PH
1959
1960 /** DSP Multiply Sub-class insns **/
1961 /* Return value made up by two 16bits value.
1962 * FIXME give the macro a better name.
1963 */
1964 #define MUL_RETURN32_16_PH(name, func, \
1965 rsmov1, rsmov2, rsfilter, \
1966 rtmov1, rtmov2, rtfilter) \
1967 target_ulong helper_##name(target_ulong rs, target_ulong rt, \
1968 CPUMIPSState *env) \
1969 { \
1970 uint16_t rsB, rsA, rtB, rtA; \
1971 \
1972 rsB = (rs >> rsmov1) & rsfilter; \
1973 rsA = (rs >> rsmov2) & rsfilter; \
1974 rtB = (rt >> rtmov1) & rtfilter; \
1975 rtA = (rt >> rtmov2) & rtfilter; \
1976 \
1977 rsB = mipsdsp_##func(rsB, rtB, env); \
1978 rsA = mipsdsp_##func(rsA, rtA, env); \
1979 \
1980 return MIPSDSP_RETURN32_16(rsB, rsA); \
1981 }
1982
1983 MUL_RETURN32_16_PH(muleu_s_ph_qbl, mul_u8_u16, \
1984 24, 16, MIPSDSP_Q0, \
1985 16, 0, MIPSDSP_LO);
1986 MUL_RETURN32_16_PH(muleu_s_ph_qbr, mul_u8_u16, \
1987 8, 0, MIPSDSP_Q0, \
1988 16, 0, MIPSDSP_LO);
1989 MUL_RETURN32_16_PH(mulq_rs_ph, rndq15_mul_q15_q15, \
1990 16, 0, MIPSDSP_LO, \
1991 16, 0, MIPSDSP_LO);
1992 MUL_RETURN32_16_PH(mul_ph, mul_i16_i16, \
1993 16, 0, MIPSDSP_LO, \
1994 16, 0, MIPSDSP_LO);
1995 MUL_RETURN32_16_PH(mul_s_ph, sat16_mul_i16_i16, \
1996 16, 0, MIPSDSP_LO, \
1997 16, 0, MIPSDSP_LO);
1998 MUL_RETURN32_16_PH(mulq_s_ph, sat16_mul_q15_q15, \
1999 16, 0, MIPSDSP_LO, \
2000 16, 0, MIPSDSP_LO);
2001
2002 #undef MUL_RETURN32_16_PH
2003
2004 #define MUL_RETURN32_32_ph(name, func, movbits) \
2005 target_ulong helper_##name(target_ulong rs, target_ulong rt, \
2006 CPUMIPSState *env) \
2007 { \
2008 int16_t rsh, rth; \
2009 int32_t temp; \
2010 \
2011 rsh = (rs >> movbits) & MIPSDSP_LO; \
2012 rth = (rt >> movbits) & MIPSDSP_LO; \
2013 temp = mipsdsp_##func(rsh, rth, env); \
2014 \
2015 return (target_long)(int32_t)temp; \
2016 }
2017
2018 MUL_RETURN32_32_ph(muleq_s_w_phl, mul_q15_q15_overflowflag21, 16);
2019 MUL_RETURN32_32_ph(muleq_s_w_phr, mul_q15_q15_overflowflag21, 0);
2020
2021 #undef MUL_RETURN32_32_ph
2022
2023 #define MUL_VOID_PH(name, use_ac_env) \
2024 void helper_##name(uint32_t ac, target_ulong rs, target_ulong rt, \
2025 CPUMIPSState *env) \
2026 { \
2027 int16_t rsh, rsl, rth, rtl; \
2028 int32_t tempB, tempA; \
2029 int64_t acc, dotp; \
2030 \
2031 MIPSDSP_SPLIT32_16(rs, rsh, rsl); \
2032 MIPSDSP_SPLIT32_16(rt, rth, rtl); \
2033 \
2034 if (use_ac_env == 1) { \
2035 tempB = mipsdsp_mul_q15_q15(ac, rsh, rth, env); \
2036 tempA = mipsdsp_mul_q15_q15(ac, rsl, rtl, env); \
2037 } else { \
2038 tempB = mipsdsp_mul_u16_u16(rsh, rth); \
2039 tempA = mipsdsp_mul_u16_u16(rsl, rtl); \
2040 } \
2041 \
2042 dotp = (int64_t)tempB - (int64_t)tempA; \
2043 acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
2044 ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO); \
2045 dotp = dotp + acc; \
2046 env->active_tc.HI[ac] = (target_long)(int32_t) \
2047 ((dotp & MIPSDSP_LHI) >> 32); \
2048 env->active_tc.LO[ac] = (target_long)(int32_t)(dotp & MIPSDSP_LLO); \
2049 }
2050
2051 MUL_VOID_PH(mulsaq_s_w_ph, 1);
2052 MUL_VOID_PH(mulsa_w_ph, 0);
2053
2054 #undef MUL_VOID_PH
2055
2056 #if defined(TARGET_MIPS64)
2057 #define MUL_RETURN64_16_QH(name, func, \
2058 rsmov1, rsmov2, rsmov3, rsmov4, rsfilter, \
2059 rtmov1, rtmov2, rtmov3, rtmov4, rtfilter) \
2060 target_ulong helper_##name(target_ulong rs, target_ulong rt, \
2061 CPUMIPSState *env) \
2062 { \
2063 uint16_t rs3, rs2, rs1, rs0; \
2064 uint16_t rt3, rt2, rt1, rt0; \
2065 uint16_t tempD, tempC, tempB, tempA; \
2066 \
2067 rs3 = (rs >> rsmov1) & rsfilter; \
2068 rs2 = (rs >> rsmov2) & rsfilter; \
2069 rs1 = (rs >> rsmov3) & rsfilter; \
2070 rs0 = (rs >> rsmov4) & rsfilter; \
2071 rt3 = (rt >> rtmov1) & rtfilter; \
2072 rt2 = (rt >> rtmov2) & rtfilter; \
2073 rt1 = (rt >> rtmov3) & rtfilter; \
2074 rt0 = (rt >> rtmov4) & rtfilter; \
2075 \
2076 tempD = mipsdsp_##func(rs3, rt3, env); \
2077 tempC = mipsdsp_##func(rs2, rt2, env); \
2078 tempB = mipsdsp_##func(rs1, rt1, env); \
2079 tempA = mipsdsp_##func(rs0, rt0, env); \
2080 \
2081 return MIPSDSP_RETURN64_16(tempD, tempC, tempB, tempA); \
2082 }
2083
2084 MUL_RETURN64_16_QH(muleu_s_qh_obl, mul_u8_u16, \
2085 56, 48, 40, 32, MIPSDSP_Q0, \
2086 48, 32, 16, 0, MIPSDSP_LO);
2087 MUL_RETURN64_16_QH(muleu_s_qh_obr, mul_u8_u16, \
2088 24, 16, 8, 0, MIPSDSP_Q0, \
2089 48, 32, 16, 0, MIPSDSP_LO);
2090 MUL_RETURN64_16_QH(mulq_rs_qh, rndq15_mul_q15_q15, \
2091 48, 32, 16, 0, MIPSDSP_LO, \
2092 48, 32, 16, 0, MIPSDSP_LO);
2093
2094 #undef MUL_RETURN64_16_QH
2095
2096 #define MUL_RETURN64_32_QH(name, \
2097 rsmov1, rsmov2, \
2098 rtmov1, rtmov2) \
2099 target_ulong helper_##name(target_ulong rs, target_ulong rt, \
2100 CPUMIPSState *env) \
2101 { \
2102 uint16_t rsB, rsA; \
2103 uint16_t rtB, rtA; \
2104 uint32_t tempB, tempA; \
2105 \
2106 rsB = (rs >> rsmov1) & MIPSDSP_LO; \
2107 rsA = (rs >> rsmov2) & MIPSDSP_LO; \
2108 rtB = (rt >> rtmov1) & MIPSDSP_LO; \
2109 rtA = (rt >> rtmov2) & MIPSDSP_LO; \
2110 \
2111 tempB = mipsdsp_mul_q15_q15(5, rsB, rtB, env); \
2112 tempA = mipsdsp_mul_q15_q15(5, rsA, rtA, env); \
2113 \
2114 return ((uint64_t)tempB << 32) | (uint64_t)tempA; \
2115 }
2116
2117 MUL_RETURN64_32_QH(muleq_s_pw_qhl, 48, 32, 48, 32);
2118 MUL_RETURN64_32_QH(muleq_s_pw_qhr, 16, 0, 16, 0);
2119
2120 #undef MUL_RETURN64_32_QH
2121
2122 void helper_mulsaq_s_w_qh(target_ulong rs, target_ulong rt, uint32_t ac,
2123 CPUMIPSState *env)
2124 {
2125 int16_t rs3, rs2, rs1, rs0;
2126 int16_t rt3, rt2, rt1, rt0;
2127 int32_t tempD, tempC, tempB, tempA;
2128 int64_t acc[2];
2129 int64_t temp[2];
2130 int64_t temp_sum;
2131
2132 MIPSDSP_SPLIT64_16(rs, rs3, rs2, rs1, rs0);
2133 MIPSDSP_SPLIT64_16(rt, rt3, rt2, rt1, rt0);
2134
2135 tempD = mipsdsp_mul_q15_q15(ac, rs3, rt3, env);
2136 tempC = mipsdsp_mul_q15_q15(ac, rs2, rt2, env);
2137 tempB = mipsdsp_mul_q15_q15(ac, rs1, rt1, env);
2138 tempA = mipsdsp_mul_q15_q15(ac, rs0, rt0, env);
2139
2140 temp[0] = ((int32_t)tempD - (int32_t)tempC) +
2141 ((int32_t)tempB - (int32_t)tempA);
2142 temp[0] = (int64_t)(temp[0] << 30) >> 30;
2143 if (((temp[0] >> 33) & 0x01) == 0) {
2144 temp[1] = 0x00;
2145 } else {
2146 temp[1] = ~0ull;
2147 }
2148
2149 acc[0] = env->active_tc.LO[ac];
2150 acc[1] = env->active_tc.HI[ac];
2151
2152 temp_sum = acc[0] + temp[0];
2153 if (((uint64_t)temp_sum < (uint64_t)acc[0]) &&
2154 ((uint64_t)temp_sum < (uint64_t)temp[0])) {
2155 acc[1] += 1;
2156 }
2157 acc[0] = temp_sum;
2158 acc[1] += temp[1];
2159
2160 env->active_tc.HI[ac] = acc[1];
2161 env->active_tc.LO[ac] = acc[0];
2162 }
2163 #endif
2164
2165 #define DP_QB(name, func, is_add, rsmov1, rsmov2, rtmov1, rtmov2) \
2166 void helper_##name(uint32_t ac, target_ulong rs, target_ulong rt, \
2167 CPUMIPSState *env) \
2168 { \
2169 uint8_t rs3, rs2; \
2170 uint8_t rt3, rt2; \
2171 uint16_t tempB, tempA; \
2172 uint64_t tempC, dotp; \
2173 \
2174 rs3 = (rs >> rsmov1) & MIPSDSP_Q0; \
2175 rs2 = (rs >> rsmov2) & MIPSDSP_Q0; \
2176 rt3 = (rt >> rtmov1) & MIPSDSP_Q0; \
2177 rt2 = (rt >> rtmov2) & MIPSDSP_Q0; \
2178 tempB = mipsdsp_##func(rs3, rt3); \
2179 tempA = mipsdsp_##func(rs2, rt2); \
2180 dotp = (int64_t)tempB + (int64_t)tempA; \
2181 if (is_add) { \
2182 tempC = (((uint64_t)env->active_tc.HI[ac] << 32) | \
2183 ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO)) \
2184 + dotp; \
2185 } else { \
2186 tempC = (((uint64_t)env->active_tc.HI[ac] << 32) | \
2187 ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO)) \
2188 - dotp; \
2189 } \
2190 \
2191 env->active_tc.HI[ac] = (target_long)(int32_t) \
2192 ((tempC & MIPSDSP_LHI) >> 32); \
2193 env->active_tc.LO[ac] = (target_long)(int32_t)(tempC & MIPSDSP_LLO); \
2194 }
2195
2196 DP_QB(dpau_h_qbl, mul_u8_u8, 1, 24, 16, 24, 16);
2197 DP_QB(dpau_h_qbr, mul_u8_u8, 1, 8, 0, 8, 0);
2198 DP_QB(dpsu_h_qbl, mul_u8_u8, 0, 24, 16, 24, 16);
2199 DP_QB(dpsu_h_qbr, mul_u8_u8, 0, 8, 0, 8, 0);
2200
2201 #undef DP_QB
2202
2203 #if defined(TARGET_MIPS64)
2204 #define DP_OB(name, add_sub, \
2205 rsmov1, rsmov2, rsmov3, rsmov4, \
2206 rtmov1, rtmov2, rtmov3, rtmov4) \
2207 void helper_##name(target_ulong rs, target_ulong rt, uint32_t ac, \
2208 CPUMIPSState *env) \
2209 { \
2210 uint8_t rsD, rsC, rsB, rsA; \
2211 uint8_t rtD, rtC, rtB, rtA; \
2212 uint16_t tempD, tempC, tempB, tempA; \
2213 uint64_t temp[2]; \
2214 uint64_t acc[2]; \
2215 uint64_t temp_sum; \
2216 \
2217 temp[0] = 0; \
2218 temp[1] = 0; \
2219 \
2220 rsD = (rs >> rsmov1) & MIPSDSP_Q0; \
2221 rsC = (rs >> rsmov2) & MIPSDSP_Q0; \
2222 rsB = (rs >> rsmov3) & MIPSDSP_Q0; \
2223 rsA = (rs >> rsmov4) & MIPSDSP_Q0; \
2224 rtD = (rt >> rtmov1) & MIPSDSP_Q0; \
2225 rtC = (rt >> rtmov2) & MIPSDSP_Q0; \
2226 rtB = (rt >> rtmov3) & MIPSDSP_Q0; \
2227 rtA = (rt >> rtmov4) & MIPSDSP_Q0; \
2228 \
2229 tempD = mipsdsp_mul_u8_u8(rsD, rtD); \
2230 tempC = mipsdsp_mul_u8_u8(rsC, rtC); \
2231 tempB = mipsdsp_mul_u8_u8(rsB, rtB); \
2232 tempA = mipsdsp_mul_u8_u8(rsA, rtA); \
2233 \
2234 temp[0] = (uint64_t)tempD + (uint64_t)tempC + \
2235 (uint64_t)tempB + (uint64_t)tempA; \
2236 \
2237 acc[0] = env->active_tc.LO[ac]; \
2238 acc[1] = env->active_tc.HI[ac]; \
2239 \
2240 if (add_sub) { \
2241 temp_sum = acc[0] + temp[0]; \
2242 if (((uint64_t)temp_sum < (uint64_t)acc[0]) && \
2243 ((uint64_t)temp_sum < (uint64_t)temp[0])) { \
2244 acc[1] += 1; \
2245 } \
2246 temp[0] = temp_sum; \
2247 temp[1] = acc[1] + temp[1]; \
2248 } else { \
2249 temp_sum = acc[0] - temp[0]; \
2250 if ((uint64_t)temp_sum > (uint64_t)acc[0]) { \
2251 acc[1] -= 1; \
2252 } \
2253 temp[0] = temp_sum; \
2254 temp[1] = acc[1] - temp[1]; \
2255 } \
2256 \
2257 env->active_tc.HI[ac] = temp[1]; \
2258 env->active_tc.LO[ac] = temp[0]; \
2259 }
2260
2261 DP_OB(dpau_h_obl, 1, 56, 48, 40, 32, 56, 48, 40, 32);
2262 DP_OB(dpau_h_obr, 1, 24, 16, 8, 0, 24, 16, 8, 0);
2263 DP_OB(dpsu_h_obl, 0, 56, 48, 40, 32, 56, 48, 40, 32);
2264 DP_OB(dpsu_h_obr, 0, 24, 16, 8, 0, 24, 16, 8, 0);
2265
2266 #undef DP_OB
2267 #endif
2268
2269 #define DP_NOFUNC_PH(name, is_add, rsmov1, rsmov2, rtmov1, rtmov2) \
2270 void helper_##name(uint32_t ac, target_ulong rs, target_ulong rt, \
2271 CPUMIPSState *env) \
2272 { \
2273 int16_t rsB, rsA, rtB, rtA; \
2274 int32_t tempA, tempB; \
2275 int64_t acc; \
2276 \
2277 rsB = (rs >> rsmov1) & MIPSDSP_LO; \
2278 rsA = (rs >> rsmov2) & MIPSDSP_LO; \
2279 rtB = (rt >> rtmov1) & MIPSDSP_LO; \
2280 rtA = (rt >> rtmov2) & MIPSDSP_LO; \
2281 \
2282 tempB = (int32_t)rsB * (int32_t)rtB; \
2283 tempA = (int32_t)rsA * (int32_t)rtA; \
2284 \
2285 acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
2286 ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO); \
2287 \
2288 if (is_add) { \
2289 acc = acc + ((int64_t)tempB + (int64_t)tempA); \
2290 } else { \
2291 acc = acc - ((int64_t)tempB + (int64_t)tempA); \
2292 } \
2293 \
2294 env->active_tc.HI[ac] = (target_long)(int32_t)((acc & MIPSDSP_LHI) >> 32); \
2295 env->active_tc.LO[ac] = (target_long)(int32_t)(acc & MIPSDSP_LLO); \
2296 }
2297
2298 DP_NOFUNC_PH(dpa_w_ph, 1, 16, 0, 16, 0);
2299 DP_NOFUNC_PH(dpax_w_ph, 1, 16, 0, 0, 16);
2300 DP_NOFUNC_PH(dps_w_ph, 0, 16, 0, 16, 0);
2301 DP_NOFUNC_PH(dpsx_w_ph, 0, 16, 0, 0, 16);
2302 #undef DP_NOFUNC_PH
2303
2304 #define DP_HASFUNC_PH(name, is_add, rsmov1, rsmov2, rtmov1, rtmov2) \
2305 void helper_##name(uint32_t ac, target_ulong rs, target_ulong rt, \
2306 CPUMIPSState *env) \
2307 { \
2308 int16_t rsB, rsA, rtB, rtA; \
2309 int32_t tempB, tempA; \
2310 int64_t acc, dotp; \
2311 \
2312 rsB = (rs >> rsmov1) & MIPSDSP_LO; \
2313 rsA = (rs >> rsmov2) & MIPSDSP_LO; \
2314 rtB = (rt >> rtmov1) & MIPSDSP_LO; \
2315 rtA = (rt >> rtmov2) & MIPSDSP_LO; \
2316 \
2317 tempB = mipsdsp_mul_q15_q15(ac, rsB, rtB, env); \
2318 tempA = mipsdsp_mul_q15_q15(ac, rsA, rtA, env); \
2319 \
2320 dotp = (int64_t)tempB + (int64_t)tempA; \
2321 acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
2322 ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO); \
2323 \
2324 if (is_add) { \
2325 acc = acc + dotp; \
2326 } else { \
2327 acc = acc - dotp; \
2328 } \
2329 \
2330 env->active_tc.HI[ac] = (target_long)(int32_t) \
2331 ((acc & MIPSDSP_LHI) >> 32); \
2332 env->active_tc.LO[ac] = (target_long)(int32_t) \
2333 (acc & MIPSDSP_LLO); \
2334 }
2335
2336 DP_HASFUNC_PH(dpaq_s_w_ph, 1, 16, 0, 16, 0);
2337 DP_HASFUNC_PH(dpaqx_s_w_ph, 1, 16, 0, 0, 16);
2338 DP_HASFUNC_PH(dpsq_s_w_ph, 0, 16, 0, 16, 0);
2339 DP_HASFUNC_PH(dpsqx_s_w_ph, 0, 16, 0, 0, 16);
2340
2341 #undef DP_HASFUNC_PH
2342
2343 #define DP_128OPERATION_PH(name, is_add) \
2344 void helper_##name(uint32_t ac, target_ulong rs, target_ulong rt, \
2345 CPUMIPSState *env) \
2346 { \
2347 int16_t rsh, rsl, rth, rtl; \
2348 int32_t tempB, tempA, tempC62_31, tempC63; \
2349 int64_t acc, dotp, tempC; \
2350 \
2351 MIPSDSP_SPLIT32_16(rs, rsh, rsl); \
2352 MIPSDSP_SPLIT32_16(rt, rth, rtl); \
2353 \
2354 tempB = mipsdsp_mul_q15_q15(ac, rsh, rtl, env); \
2355 tempA = mipsdsp_mul_q15_q15(ac, rsl, rth, env); \
2356 \
2357 dotp = (int64_t)tempB + (int64_t)tempA; \
2358 acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
2359 ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO); \
2360 if (is_add) { \
2361 tempC = acc + dotp; \
2362 } else { \
2363 tempC = acc - dotp; \
2364 } \
2365 tempC63 = (tempC >> 63) & 0x01; \
2366 tempC62_31 = (tempC >> 31) & 0xFFFFFFFF; \
2367 \
2368 if ((tempC63 == 0) && (tempC62_31 != 0x00000000)) { \
2369 tempC = 0x7FFFFFFF; \
2370 set_DSPControl_overflow_flag(1, 16 + ac, env); \
2371 } \
2372 \
2373 if ((tempC63 == 1) && (tempC62_31 != 0xFFFFFFFF)) { \
2374 tempC = (int64_t)(int32_t)0x80000000; \
2375 set_DSPControl_overflow_flag(1, 16 + ac, env); \
2376 } \
2377 \
2378 env->active_tc.HI[ac] = (target_long)(int32_t) \
2379 ((tempC & MIPSDSP_LHI) >> 32); \
2380 env->active_tc.LO[ac] = (target_long)(int32_t) \
2381 (tempC & MIPSDSP_LLO); \
2382 }
2383
2384 DP_128OPERATION_PH(dpaqx_sa_w_ph, 1);
2385 DP_128OPERATION_PH(dpsqx_sa_w_ph, 0);
2386
2387 #undef DP_128OPERATION_HP
2388
2389 #if defined(TARGET_MIPS64)
2390 #define DP_QH(name, is_add, use_ac_env) \
2391 void helper_##name(target_ulong rs, target_ulong rt, uint32_t ac, \
2392 CPUMIPSState *env) \
2393 { \
2394 int32_t rs3, rs2, rs1, rs0; \
2395 int32_t rt3, rt2, rt1, rt0; \
2396 int32_t tempD, tempC, tempB, tempA; \
2397 int64_t acc[2]; \
2398 int64_t temp[2]; \
2399 int64_t temp_sum; \
2400 \
2401 MIPSDSP_SPLIT64_16(rs, rs3, rs2, rs1, rs0); \
2402 MIPSDSP_SPLIT64_16(rt, rt3, rt2, rt1, rt0); \
2403 \
2404 if (use_ac_env) { \
2405 tempD = mipsdsp_mul_q15_q15(ac, rs3, rt3, env); \
2406 tempC = mipsdsp_mul_q15_q15(ac, rs2, rt2, env); \
2407 tempB = mipsdsp_mul_q15_q15(ac, rs1, rt1, env); \
2408 tempA = mipsdsp_mul_q15_q15(ac, rs0, rt0, env); \
2409 } else { \
2410 tempD = mipsdsp_mul_u16_u16(rs3, rt3); \
2411 tempC = mipsdsp_mul_u16_u16(rs2, rt2); \
2412 tempB = mipsdsp_mul_u16_u16(rs1, rt1); \
2413 tempA = mipsdsp_mul_u16_u16(rs0, rt0); \
2414 } \
2415 \
2416 temp[0] = (int64_t)tempD + (int64_t)tempC + \
2417 (int64_t)tempB + (int64_t)tempA; \
2418 \
2419 if (temp[0] >= 0) { \
2420 temp[1] = 0; \
2421 } else { \
2422 temp[1] = ~0ull; \
2423 } \
2424 \
2425 acc[1] = env->active_tc.HI[ac]; \
2426 acc[0] = env->active_tc.LO[ac]; \
2427 \
2428 if (is_add) { \
2429 temp_sum = acc[0] + temp[0]; \
2430 if (((uint64_t)temp_sum < (uint64_t)acc[0]) && \
2431 ((uint64_t)temp_sum < (uint64_t)temp[0])) { \
2432 acc[1] = acc[1] + 1; \
2433 } \
2434 temp[0] = temp_sum; \
2435 temp[1] = acc[1] + temp[1]; \
2436 } else { \
2437 temp_sum = acc[0] - temp[0]; \
2438 if ((uint64_t)temp_sum > (uint64_t)acc[0]) { \
2439 acc[1] = acc[1] - 1; \
2440 } \
2441 temp[0] = temp_sum; \
2442 temp[1] = acc[1] - temp[1]; \
2443 } \
2444 \
2445 env->active_tc.HI[ac] = temp[1]; \
2446 env->active_tc.LO[ac] = temp[0]; \
2447 }
2448
2449 DP_QH(dpa_w_qh, 1, 0);
2450 DP_QH(dpaq_s_w_qh, 1, 1);
2451 DP_QH(dps_w_qh, 0, 0);
2452 DP_QH(dpsq_s_w_qh, 0, 1);
2453
2454 #undef DP_QH
2455
2456 #endif
2457
2458 #define DP_L_W(name, is_add) \
2459 void helper_##name(uint32_t ac, target_ulong rs, target_ulong rt, \
2460 CPUMIPSState *env) \
2461 { \
2462 int32_t temp63; \
2463 int64_t dotp, acc; \
2464 uint64_t temp; \
2465 bool overflow; \
2466 \
2467 dotp = mipsdsp_mul_q31_q31(ac, rs, rt, env); \
2468 acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
2469 ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO); \
2470 if (is_add) { \
2471 temp = acc + dotp; \
2472 overflow = MIPSDSP_OVERFLOW_ADD((uint64_t)acc, (uint64_t)dotp, \
2473 temp, (0x01ull << 63)); \
2474 } else { \
2475 temp = acc - dotp; \
2476 overflow = MIPSDSP_OVERFLOW_SUB((uint64_t)acc, (uint64_t)dotp, \
2477 temp, (0x01ull << 63)); \
2478 } \
2479 \
2480 if (overflow) { \
2481 temp63 = (temp >> 63) & 0x01; \
2482 if (temp63 == 1) { \
2483 temp = (0x01ull << 63) - 1; \
2484 } else { \
2485 temp = 0x01ull << 63; \
2486 } \
2487 \
2488 set_DSPControl_overflow_flag(1, 16 + ac, env); \
2489 } \
2490 \
2491 env->active_tc.HI[ac] = (target_long)(int32_t) \
2492 ((temp & MIPSDSP_LHI) >> 32); \
2493 env->active_tc.LO[ac] = (target_long)(int32_t) \
2494 (temp & MIPSDSP_LLO); \
2495 }
2496
2497 DP_L_W(dpaq_sa_l_w, 1);
2498 DP_L_W(dpsq_sa_l_w, 0);
2499
2500 #undef DP_L_W
2501
2502 #if defined(TARGET_MIPS64)
2503 #define DP_L_PW(name, func) \
2504 void helper_##name(target_ulong rs, target_ulong rt, uint32_t ac, \
2505 CPUMIPSState *env) \
2506 { \
2507 int32_t rs1, rs0; \
2508 int32_t rt1, rt0; \
2509 int64_t tempB[2], tempA[2]; \
2510 int64_t temp[2]; \
2511 int64_t acc[2]; \
2512 int64_t temp_sum; \
2513 \
2514 temp[0] = 0; \
2515 temp[1] = 0; \
2516 \
2517 MIPSDSP_SPLIT64_32(rs, rs1, rs0); \
2518 MIPSDSP_SPLIT64_32(rt, rt1, rt0); \
2519 \
2520 tempB[0] = mipsdsp_mul_q31_q31(ac, rs1, rt1, env); \
2521 tempA[0] = mipsdsp_mul_q31_q31(ac, rs0, rt0, env); \
2522 \
2523 if (tempB[0] >= 0) { \
2524 tempB[1] = 0x00; \
2525 } else { \
2526 tempB[1] = ~0ull; \
2527 } \
2528 \
2529 if (tempA[0] >= 0) { \
2530 tempA[1] = 0x00; \
2531 } else { \
2532 tempA[1] = ~0ull; \
2533 } \
2534 \
2535 temp_sum = tempB[0] + tempA[0]; \
2536 if (((uint64_t)temp_sum < (uint64_t)tempB[0]) && \
2537 ((uint64_t)temp_sum < (uint64_t)tempA[0])) { \
2538 temp[1] += 1; \
2539 } \
2540 temp[0] = temp_sum; \
2541 temp[1] += tempB[1] + tempA[1]; \
2542 \
2543 mipsdsp_##func(acc, ac, temp, env); \
2544 \
2545 env->active_tc.HI[ac] = acc[1]; \
2546 env->active_tc.LO[ac] = acc[0]; \
2547 }
2548
2549 DP_L_PW(dpaq_sa_l_pw, sat64_acc_add_q63);
2550 DP_L_PW(dpsq_sa_l_pw, sat64_acc_sub_q63);
2551
2552 #undef DP_L_PW
2553
2554 void helper_mulsaq_s_l_pw(target_ulong rs, target_ulong rt, uint32_t ac,
2555 CPUMIPSState *env)
2556 {
2557 int32_t rs1, rs0;
2558 int32_t rt1, rt0;
2559 int64_t tempB[2], tempA[2];
2560 int64_t temp[2];
2561 int64_t acc[2];
2562 int64_t temp_sum;
2563
2564 rs1 = (rs >> 32) & MIPSDSP_LLO;
2565 rs0 = rs & MIPSDSP_LLO;
2566 rt1 = (rt >> 32) & MIPSDSP_LLO;
2567 rt0 = rt & MIPSDSP_LLO;
2568
2569 tempB[0] = mipsdsp_mul_q31_q31(ac, rs1, rt1, env);
2570 tempA[0] = mipsdsp_mul_q31_q31(ac, rs0, rt0, env);
2571
2572 if (tempB[0] >= 0) {
2573 tempB[1] = 0x00;
2574 } else {
2575 tempB[1] = ~0ull;
2576 }
2577
2578 if (tempA[0] >= 0) {
2579 tempA[1] = 0x00;
2580 } else {
2581 tempA[1] = ~0ull;
2582 }
2583
2584 acc[0] = env->active_tc.LO[ac];
2585 acc[1] = env->active_tc.HI[ac];
2586
2587 temp_sum = tempB[0] - tempA[0];
2588 if ((uint64_t)temp_sum > (uint64_t)tempB[0]) {
2589 tempB[1] -= 1;
2590 }
2591 temp[0] = temp_sum;
2592 temp[1] = tempB[1] - tempA[1];
2593
2594 if ((temp[1] & 0x01) == 0) {
2595 temp[1] = 0x00;
2596 } else {
2597 temp[1] = ~0ull;
2598 }
2599
2600 temp_sum = acc[0] + temp[0];
2601 if (((uint64_t)temp_sum < (uint64_t)acc[0]) &&
2602 ((uint64_t)temp_sum < (uint64_t)temp[0])) {
2603 acc[1] += 1;
2604 }
2605 acc[0] = temp_sum;
2606 acc[1] += temp[1];
2607
2608 env->active_tc.HI[ac] = acc[1];
2609 env->active_tc.LO[ac] = acc[0];
2610 }
2611 #endif
2612
2613 #define MAQ_S_W(name, mov) \
2614 void helper_##name(uint32_t ac, target_ulong rs, target_ulong rt, \
2615 CPUMIPSState *env) \
2616 { \
2617 int16_t rsh, rth; \
2618 int32_t tempA; \
2619 int64_t tempL, acc; \
2620 \
2621 rsh = (rs >> mov) & MIPSDSP_LO; \
2622 rth = (rt >> mov) & MIPSDSP_LO; \
2623 tempA = mipsdsp_mul_q15_q15(ac, rsh, rth, env); \
2624 acc = ((uint64_t)env->active_tc.HI[ac] << 32) | \
2625 ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO); \
2626 tempL = (int64_t)tempA + acc; \
2627 env->active_tc.HI[ac] = (target_long)(int32_t) \
2628 ((tempL & MIPSDSP_LHI) >> 32); \
2629 env->active_tc.LO[ac] = (target_long)(int32_t) \
2630 (tempL & MIPSDSP_LLO); \
2631 }
2632
2633 MAQ_S_W(maq_s_w_phl, 16);
2634 MAQ_S_W(maq_s_w_phr, 0);
2635
2636 #undef MAQ_S_W
2637
2638 #define MAQ_SA_W(name, mov) \
2639 void helper_##name(uint32_t ac, target_ulong rs, target_ulong rt, \
2640 CPUMIPSState *env) \
2641 { \
2642 int16_t rsh, rth; \
2643 int32_t tempA; \
2644 \
2645 rsh = (rs >> mov) & MIPSDSP_LO; \
2646 rth = (rt >> mov) & MIPSDSP_LO; \
2647 tempA = mipsdsp_mul_q15_q15(ac, rsh, rth, env); \
2648 tempA = mipsdsp_sat32_acc_q31(ac, tempA, env); \
2649 \
2650 env->active_tc.HI[ac] = (target_long)(int32_t)(((int64_t)tempA & \
2651 MIPSDSP_LHI) >> 32); \
2652 env->active_tc.LO[ac] = (target_long)(int32_t)((int64_t)tempA & \
2653 MIPSDSP_LLO); \
2654 }
2655
2656 MAQ_SA_W(maq_sa_w_phl, 16);
2657 MAQ_SA_W(maq_sa_w_phr, 0);
2658
2659 #undef MAQ_SA_W
2660
2661 #define MULQ_W(name, addvar) \
2662 target_ulong helper_##name(target_ulong rs, target_ulong rt, \
2663 CPUMIPSState *env) \
2664 { \
2665 int32_t rs_t, rt_t; \
2666 int32_t tempI; \
2667 int64_t tempL; \
2668 \
2669 rs_t = rs & MIPSDSP_LLO; \
2670 rt_t = rt & MIPSDSP_LLO; \
2671 \
2672 if ((rs_t == 0x80000000) && (rt_t == 0x80000000)) { \
2673 tempL = 0x7FFFFFFF00000000ull; \
2674 set_DSPControl_overflow_flag(1, 21, env); \
2675 } else { \
2676 tempL = ((int64_t)rs_t * (int64_t)rt_t) << 1; \
2677 tempL += addvar; \
2678 } \
2679 tempI = (tempL & MIPSDSP_LHI) >> 32; \
2680 \
2681 return (target_long)(int32_t)tempI; \
2682 }
2683
2684 MULQ_W(mulq_s_w, 0);
2685 MULQ_W(mulq_rs_w, 0x80000000ull);
2686
2687 #undef MULQ_W
2688
2689 #if defined(TARGET_MIPS64)
2690
2691 #define MAQ_S_W_QH(name, mov) \
2692 void helper_##name(target_ulong rs, target_ulong rt, uint32_t ac, \
2693 CPUMIPSState *env) \
2694 { \
2695 int16_t rs_t, rt_t; \
2696 int32_t temp_mul; \
2697 int64_t temp[2]; \
2698 int64_t acc[2]; \
2699 int64_t temp_sum; \
2700 \
2701 temp[0] = 0; \
2702 temp[1] = 0; \
2703 \
2704 rs_t = (rs >> mov) & MIPSDSP_LO; \
2705 rt_t = (rt >> mov) & MIPSDSP_LO; \
2706 temp_mul = mipsdsp_mul_q15_q15(ac, rs_t, rt_t, env); \
2707 \
2708 temp[0] = (int64_t)temp_mul; \
2709 if (temp[0] >= 0) { \
2710 temp[1] = 0x00; \
2711 } else { \
2712 temp[1] = ~0ull; \
2713 } \
2714 \
2715 acc[0] = env->active_tc.LO[ac]; \
2716 acc[1] = env->active_tc.HI[ac]; \
2717 \
2718 temp_sum = acc[0] + temp[0]; \
2719 if (((uint64_t)temp_sum < (uint64_t)acc[0]) && \
2720 ((uint64_t)temp_sum < (uint64_t)temp[0])) { \
2721 acc[1] += 1; \
2722 } \
2723 acc[0] = temp_sum; \
2724 acc[1] += temp[1]; \
2725 \
2726 env->active_tc.HI[ac] = acc[1]; \
2727 env->active_tc.LO[ac] = acc[0]; \
2728 }
2729
2730 MAQ_S_W_QH(maq_s_w_qhll, 48);
2731 MAQ_S_W_QH(maq_s_w_qhlr, 32);
2732 MAQ_S_W_QH(maq_s_w_qhrl, 16);
2733 MAQ_S_W_QH(maq_s_w_qhrr, 0);
2734
2735 #undef MAQ_S_W_QH
2736
2737 #define MAQ_SA_W(name, mov) \
2738 void helper_##name(target_ulong rs, target_ulong rt, uint32_t ac, \
2739 CPUMIPSState *env) \
2740 { \
2741 int16_t rs_t, rt_t; \
2742 int32_t temp; \
2743 int64_t acc[2]; \
2744 \
2745 rs_t = (rs >> mov) & MIPSDSP_LO; \
2746 rt_t = (rt >> mov) & MIPSDSP_LO; \
2747 temp = mipsdsp_mul_q15_q15(ac, rs_t, rt_t, env); \
2748 temp = mipsdsp_sat32_acc_q31(ac, temp, env); \
2749 \
2750 acc[0] = (int64_t)(int32_t)temp; \
2751 if (acc[0] >= 0) { \
2752 acc[1] = 0x00; \
2753 } else { \
2754 acc[1] = ~0ull; \
2755 } \
2756 \
2757 env->active_tc.HI[ac] = acc[1]; \
2758 env->active_tc.LO[ac] = acc[0]; \
2759 }
2760
2761 MAQ_SA_W(maq_sa_w_qhll, 48);
2762 MAQ_SA_W(maq_sa_w_qhlr, 32);
2763 MAQ_SA_W(maq_sa_w_qhrl, 16);
2764 MAQ_SA_W(maq_sa_w_qhrr, 0);
2765
2766 #undef MAQ_SA_W
2767
2768 #define MAQ_S_L_PW(name, mov) \
2769 void helper_##name(target_ulong rs, target_ulong rt, uint32_t ac, \
2770 CPUMIPSState *env) \
2771 { \
2772 int32_t rs_t, rt_t; \
2773 int64_t temp[2]; \
2774 int64_t acc[2]; \
2775 int64_t temp_sum; \
2776 \
2777 temp[0] = 0; \
2778 temp[1] = 0; \
2779 \
2780 rs_t = (rs >> mov) & MIPSDSP_LLO; \
2781 rt_t = (rt >> mov) & MIPSDSP_LLO; \
2782 \
2783 temp[0] = mipsdsp_mul_q31_q31(ac, rs_t, rt_t, env); \
2784 if (temp[0] >= 0) { \
2785 temp[1] = 0x00; \
2786 } else { \
2787 temp[1] = ~0ull; \
2788 } \
2789 \
2790 acc[0] = env->active_tc.LO[ac]; \
2791 acc[1] = env->active_tc.HI[ac]; \
2792 \
2793 temp_sum = acc[0] + temp[0]; \
2794 if (((uint64_t)temp_sum < (uint64_t)acc[0]) && \
2795 ((uint64_t)temp_sum < (uint64_t)temp[0])) { \
2796 acc[1] += 1; \
2797 } \
2798 acc[0] = temp_sum; \
2799 acc[1] += temp[1]; \
2800 \
2801 env->active_tc.HI[ac] = acc[1]; \
2802 env->active_tc.LO[ac] = acc[0]; \
2803 }
2804
2805 MAQ_S_L_PW(maq_s_l_pwl, 32);
2806 MAQ_S_L_PW(maq_s_l_pwr, 0);
2807
2808 #undef MAQ_S_L_PW
2809
2810 #define DM_OPERATE(name, func, is_add, sigext) \
2811 void helper_##name(target_ulong rs, target_ulong rt, uint32_t ac, \
2812 CPUMIPSState *env) \
2813 { \
2814 int32_t rs1, rs0; \
2815 int32_t rt1, rt0; \
2816 int64_t tempBL[2], tempAL[2]; \
2817 int64_t acc[2]; \
2818 int64_t temp[2]; \
2819 int64_t temp_sum; \
2820 \
2821 temp[0] = 0x00; \
2822 temp[1] = 0x00; \
2823 \
2824 MIPSDSP_SPLIT64_32(rs, rs1, rs0); \
2825 MIPSDSP_SPLIT64_32(rt, rt1, rt0); \
2826 \
2827 if (sigext) { \
2828 tempBL[0] = (int64_t)mipsdsp_##func(rs1, rt1); \
2829 tempAL[0] = (int64_t)mipsdsp_##func(rs0, rt0); \
2830 \
2831 if (tempBL[0] >= 0) { \
2832 tempBL[1] = 0x0; \
2833 } else { \
2834 tempBL[1] = ~0ull; \
2835 } \
2836 \
2837 if (tempAL[0] >= 0) { \
2838 tempAL[1] = 0x0; \
2839 } else { \
2840 tempAL[1] = ~0ull; \
2841 } \
2842 } else { \
2843 tempBL[0] = mipsdsp_##func(rs1, rt1); \
2844 tempAL[0] = mipsdsp_##func(rs0, rt0); \
2845 tempBL[1] = 0; \
2846 tempAL[1] = 0; \
2847 } \
2848 \
2849 acc[1] = env->active_tc.HI[ac]; \
2850 acc[0] = env->active_tc.LO[ac]; \
2851 \
2852 temp_sum = tempBL[0] + tempAL[0]; \
2853 if (((uint64_t)temp_sum < (uint64_t)tempBL[0]) && \
2854 ((uint64_t)temp_sum < (uint64_t)tempAL[0])) { \
2855 temp[1] += 1; \
2856 } \
2857 temp[0] = temp_sum; \
2858 temp[1] += tempBL[1] + tempAL[1]; \
2859 \
2860 if (is_add) { \
2861 temp_sum = acc[0] + temp[0]; \
2862 if (((uint64_t)temp_sum < (uint64_t)acc[0]) && \
2863 ((uint64_t)temp_sum < (uint64_t)temp[0])) { \
2864 acc[1] += 1; \
2865 } \
2866 temp[0] = temp_sum; \
2867 temp[1] = acc[1] + temp[1]; \
2868 } else { \
2869 temp_sum = acc[0] - temp[0]; \
2870 if ((uint64_t)temp_sum > (uint64_t)acc[0]) { \
2871 acc[1] -= 1; \
2872 } \
2873 temp[0] = temp_sum; \
2874 temp[1] = acc[1] - temp[1]; \
2875 } \
2876 \
2877 env->active_tc.HI[ac] = temp[1]; \
2878 env->active_tc.LO[ac] = temp[0]; \
2879 }
2880
2881 DM_OPERATE(dmadd, mul_i32_i32, 1, 1);
2882 DM_OPERATE(dmaddu, mul_u32_u32, 1, 0);
2883 DM_OPERATE(dmsub, mul_i32_i32, 0, 1);
2884 DM_OPERATE(dmsubu, mul_u32_u32, 0, 0);
2885 #undef DM_OPERATE
2886 #endif
2887
2888 /** DSP Bit/Manipulation Sub-class insns **/
2889 target_ulong helper_bitrev(target_ulong rt)
2890 {
2891 int32_t temp;
2892 uint32_t rd;
2893 int i;
2894
2895 temp = rt & MIPSDSP_LO;
2896 rd = 0;
2897 for (i = 0; i < 16; i++) {
2898 rd = (rd << 1) | (temp & 1);
2899 temp = temp >> 1;
2900 }
2901
2902 return (target_ulong)rd;
2903 }
2904
2905 #define BIT_INSV(name, posfilter, ret_type) \
2906 target_ulong helper_##name(CPUMIPSState *env, target_ulong rs, \
2907 target_ulong rt) \
2908 { \
2909 uint32_t pos, size, msb, lsb; \
2910 uint32_t const sizefilter = 0x3F; \
2911 target_ulong temp; \
2912 target_ulong dspc; \
2913 \
2914 dspc = env->active_tc.DSPControl; \
2915 \
2916 pos = dspc & posfilter; \
2917 size = (dspc >> 7) & sizefilter; \
2918 \
2919 msb = pos + size - 1; \
2920 lsb = pos; \
2921 \
2922 if (lsb > msb || (msb > TARGET_LONG_BITS)) { \
2923 return rt; \
2924 } \
2925 \
2926 temp = deposit64(rt, pos, size, rs); \
2927 \
2928 return (target_long)(ret_type)temp; \
2929 }
2930
2931 BIT_INSV(insv, 0x1F, int32_t);
2932 #ifdef TARGET_MIPS64
2933 BIT_INSV(dinsv, 0x7F, target_long);
2934 #endif
2935
2936 #undef BIT_INSV
2937
2938
2939 /** DSP Compare-Pick Sub-class insns **/
2940 #define CMP_HAS_RET(name, func, split_num, filter, bit_size) \
2941 target_ulong helper_##name(target_ulong rs, target_ulong rt) \
2942 { \
2943 uint32_t rs_t, rt_t; \
2944 uint8_t cc; \
2945 uint32_t temp = 0; \
2946 int i; \
2947 \
2948 for (i = 0; i < split_num; i++) { \
2949 rs_t = (rs >> (bit_size * i)) & filter; \
2950 rt_t = (rt >> (bit_size * i)) & filter; \
2951 cc = mipsdsp_##func(rs_t, rt_t); \
2952 temp |= cc << i; \
2953 } \
2954 \
2955 return (target_ulong)temp; \
2956 }
2957
2958 CMP_HAS_RET(cmpgu_eq_qb, cmpu_eq, 4, MIPSDSP_Q0, 8);
2959 CMP_HAS_RET(cmpgu_lt_qb, cmpu_lt, 4, MIPSDSP_Q0, 8);
2960 CMP_HAS_RET(cmpgu_le_qb, cmpu_le, 4, MIPSDSP_Q0, 8);
2961
2962 #ifdef TARGET_MIPS64
2963 CMP_HAS_RET(cmpgu_eq_ob, cmpu_eq, 8, MIPSDSP_Q0, 8);
2964 CMP_HAS_RET(cmpgu_lt_ob, cmpu_lt, 8, MIPSDSP_Q0, 8);
2965 CMP_HAS_RET(cmpgu_le_ob, cmpu_le, 8, MIPSDSP_Q0, 8);
2966 #endif
2967
2968 #undef CMP_HAS_RET
2969
2970
2971 #define CMP_NO_RET(name, func, split_num, filter, bit_size) \
2972 void helper_##name(target_ulong rs, target_ulong rt, \
2973 CPUMIPSState *env) \
2974 { \
2975 int##bit_size##_t rs_t, rt_t; \
2976 int##bit_size##_t flag = 0; \
2977 int##bit_size##_t cc; \
2978 int i; \
2979 \
2980 for (i = 0; i < split_num; i++) { \
2981 rs_t = (rs >> (bit_size * i)) & filter; \
2982 rt_t = (rt >> (bit_size * i)) & filter; \
2983 \
2984 cc = mipsdsp_##func((int32_t)rs_t, (int32_t)rt_t); \
2985 flag |= cc << i; \
2986 } \
2987 \
2988 set_DSPControl_24(flag, split_num, env); \
2989 }
2990
2991 CMP_NO_RET(cmpu_eq_qb, cmpu_eq, 4, MIPSDSP_Q0, 8);
2992 CMP_NO_RET(cmpu_lt_qb, cmpu_lt, 4, MIPSDSP_Q0, 8);
2993 CMP_NO_RET(cmpu_le_qb, cmpu_le, 4, MIPSDSP_Q0, 8);
2994
2995 CMP_NO_RET(cmp_eq_ph, cmp_eq, 2, MIPSDSP_LO, 16);
2996 CMP_NO_RET(cmp_lt_ph, cmp_lt, 2, MIPSDSP_LO, 16);
2997 CMP_NO_RET(cmp_le_ph, cmp_le, 2, MIPSDSP_LO, 16);
2998
2999 #ifdef TARGET_MIPS64
3000 CMP_NO_RET(cmpu_eq_ob, cmpu_eq, 8, MIPSDSP_Q0, 8);
3001 CMP_NO_RET(cmpu_lt_ob, cmpu_lt, 8, MIPSDSP_Q0, 8);
3002 CMP_NO_RET(cmpu_le_ob, cmpu_le, 8, MIPSDSP_Q0, 8);
3003
3004 CMP_NO_RET(cmp_eq_qh, cmp_eq, 4, MIPSDSP_LO, 16);
3005 CMP_NO_RET(cmp_lt_qh, cmp_lt, 4, MIPSDSP_LO, 16);
3006 CMP_NO_RET(cmp_le_qh, cmp_le, 4, MIPSDSP_LO, 16);
3007
3008 CMP_NO_RET(cmp_eq_pw, cmp_eq, 2, MIPSDSP_LLO, 32);
3009 CMP_NO_RET(cmp_lt_pw, cmp_lt, 2, MIPSDSP_LLO, 32);
3010 CMP_NO_RET(cmp_le_pw, cmp_le, 2, MIPSDSP_LLO, 32);
3011 #endif
3012 #undef CMP_NO_RET
3013
3014 #if defined(TARGET_MIPS64)
3015
3016 #define CMPGDU_OB(name) \
3017 target_ulong helper_cmpgdu_##name##_ob(target_ulong rs, target_ulong rt, \
3018 CPUMIPSState *env) \
3019 { \
3020 int i; \
3021 uint8_t rs_t, rt_t; \
3022 uint32_t cond; \
3023 \
3024 cond = 0; \
3025 \
3026 for (i = 0; i < 8; i++) { \
3027 rs_t = (rs >> (8 * i)) & MIPSDSP_Q0; \
3028 rt_t = (rt >> (8 * i)) & MIPSDSP_Q0; \
3029 \
3030 if (mipsdsp_cmpu_##name(rs_t, rt_t)) { \
3031 cond |= 0x01 << i; \
3032 } \
3033 } \
3034 \
3035 set_DSPControl_24(cond, 8, env); \
3036 \
3037 return (uint64_t)cond; \
3038 }
3039
3040 CMPGDU_OB(eq)
3041 CMPGDU_OB(lt)
3042 CMPGDU_OB(le)
3043 #undef CMPGDU_OB
3044 #endif
3045
3046 #define PICK_INSN(name, split_num, filter, bit_size, ret32bit) \
3047 target_ulong helper_##name(target_ulong rs, target_ulong rt, \
3048 CPUMIPSState *env) \
3049 { \
3050 uint32_t rs_t, rt_t; \
3051 uint32_t cc; \
3052 target_ulong dsp; \
3053 int i; \
3054 target_ulong result = 0; \
3055 \
3056 dsp = env->active_tc.DSPControl; \
3057 for (i = 0; i < split_num; i++) { \
3058 rs_t = (rs >> (bit_size * i)) & filter; \
3059 rt_t = (rt >> (bit_size * i)) & filter; \
3060 cc = (dsp >> (24 + i)) & 0x01; \
3061 cc = cc == 1 ? rs_t : rt_t; \
3062 \
3063 result |= (target_ulong)cc << (bit_size * i); \
3064 } \
3065 \
3066 if (ret32bit) { \
3067 result = (target_long)(int32_t)(result & MIPSDSP_LLO); \
3068 } \
3069 \
3070 return result; \
3071 }
3072
3073 PICK_INSN(pick_qb, 4, MIPSDSP_Q0, 8, 1);
3074 PICK_INSN(pick_ph, 2, MIPSDSP_LO, 16, 1);
3075
3076 #ifdef TARGET_MIPS64
3077 PICK_INSN(pick_ob, 8, MIPSDSP_Q0, 8, 0);
3078 PICK_INSN(pick_qh, 4, MIPSDSP_LO, 16, 0);
3079 PICK_INSN(pick_pw, 2, MIPSDSP_LLO, 32, 0);
3080 #endif
3081 #undef PICK_INSN
3082
3083 target_ulong helper_packrl_ph(target_ulong rs, target_ulong rt)
3084 {
3085 uint32_t rsl, rth;
3086
3087 rsl = rs & MIPSDSP_LO;
3088 rth = (rt & MIPSDSP_HI) >> 16;
3089
3090 return (target_long)(int32_t)((rsl << 16) | rth);
3091 }
3092
3093 #if defined(TARGET_MIPS64)
3094 target_ulong helper_packrl_pw(target_ulong rs, target_ulong rt)
3095 {
3096 uint32_t rs0, rt1;
3097
3098 rs0 = rs & MIPSDSP_LLO;
3099 rt1 = (rt >> 32) & MIPSDSP_LLO;
3100
3101 return ((uint64_t)rs0 << 32) | (uint64_t)rt1;
3102 }
3103 #endif
3104
3105 /** DSP Accumulator and DSPControl Access Sub-class insns **/
3106 target_ulong helper_extr_w(target_ulong ac, target_ulong shift,
3107 CPUMIPSState *env)
3108 {
3109 int32_t tempI;
3110 int64_t tempDL[2];
3111
3112 shift = shift & 0x1F;
3113
3114 mipsdsp_rndrashift_short_acc(tempDL, ac, shift, env);
3115 if ((tempDL[1] != 0 || (tempDL[0] & MIPSDSP_LHI) != 0) &&
3116 (tempDL[1] != 1 || (tempDL[0] & MIPSDSP_LHI) != MIPSDSP_LHI)) {
3117 set_DSPControl_overflow_flag(1, 23, env);
3118 }
3119
3120 tempI = (tempDL[0] >> 1) & MIPSDSP_LLO;
3121
3122 tempDL[0] += 1;
3123 if (tempDL[0] == 0) {
3124 tempDL[1] += 1;
3125 }
3126
3127 if (((tempDL[1] & 0x01) != 0 || (tempDL[0] & MIPSDSP_LHI) != 0) &&
3128 ((tempDL[1] & 0x01) != 1 || (tempDL[0] & MIPSDSP_LHI) != MIPSDSP_LHI)) {
3129 set_DSPControl_overflow_flag(1, 23, env);
3130 }
3131
3132 return (target_long)tempI;
3133 }
3134
3135 target_ulong helper_extr_r_w(target_ulong ac, target_ulong shift,
3136 CPUMIPSState *env)
3137 {
3138 int64_t tempDL[2];
3139
3140 shift = shift & 0x1F;
3141
3142 mipsdsp_rndrashift_short_acc(tempDL, ac, shift, env);
3143 if ((tempDL[1] != 0 || (tempDL[0] & MIPSDSP_LHI) != 0) &&
3144 (tempDL[1] != 1 || (tempDL[0] & MIPSDSP_LHI) != MIPSDSP_LHI)) {
3145 set_DSPControl_overflow_flag(1, 23, env);
3146 }
3147
3148 tempDL[0] += 1;
3149 if (tempDL[0] == 0) {
3150 tempDL[1] += 1;
3151 }
3152
3153 if (((tempDL[1] & 0x01) != 0 || (tempDL[0] & MIPSDSP_LHI) != 0) &&
3154 ((tempDL[1] & 0x01) != 1 || (tempDL[0] & MIPSDSP_LHI) != MIPSDSP_LHI)) {
3155 set_DSPControl_overflow_flag(1, 23, env);
3156 }
3157
3158 return (target_long)(int32_t)(tempDL[0] >> 1);
3159 }
3160
3161 target_ulong helper_extr_rs_w(target_ulong ac, target_ulong shift,
3162 CPUMIPSState *env)
3163 {
3164 int32_t tempI, temp64;
3165 int64_t tempDL[2];
3166
3167 shift = shift & 0x1F;
3168
3169 mipsdsp_rndrashift_short_acc(tempDL, ac, shift, env);
3170 if ((tempDL[1] != 0 || (tempDL[0] & MIPSDSP_LHI) != 0) &&
3171 (tempDL[1] != 1 || (tempDL[0] & MIPSDSP_LHI) != MIPSDSP_LHI)) {
3172 set_DSPControl_overflow_flag(1, 23, env);
3173 }
3174 tempDL[0] += 1;
3175 if (tempDL[0] == 0) {
3176 tempDL[1] += 1;
3177 }
3178 tempI = tempDL[0] >> 1;
3179
3180 if (((tempDL[1] & 0x01) != 0 || (tempDL[0] & MIPSDSP_LHI) != 0) &&
3181 ((tempDL[1] & 0x01) != 1 || (tempDL[0] & MIPSDSP_LHI) != MIPSDSP_LHI)) {
3182 temp64 = tempDL[1] & 0x01;
3183 if (temp64 == 0) {
3184 tempI = 0x7FFFFFFF;
3185 } else {
3186 tempI = 0x80000000;
3187 }
3188 set_DSPControl_overflow_flag(1, 23, env);
3189 }
3190
3191 return (target_long)tempI;
3192 }
3193
3194 #if defined(TARGET_MIPS64)
3195 target_ulong helper_dextr_w(target_ulong ac, target_ulong shift,
3196 CPUMIPSState *env)
3197 {
3198 uint64_t temp[3];
3199
3200 shift = shift & 0x3F;
3201
3202 mipsdsp_rndrashift_acc(temp, ac, shift, env);
3203
3204 return (int64_t)(int32_t)(temp[0] >> 1);
3205 }
3206
3207 target_ulong helper_dextr_r_w(target_ulong ac, target_ulong shift,
3208 CPUMIPSState *env)
3209 {
3210 uint64_t temp[3];
3211 uint32_t temp128;
3212
3213 shift = shift & 0x3F;
3214 mipsdsp_rndrashift_acc(temp, ac, shift, env);
3215
3216 temp[0] += 1;
3217 if (temp[0] == 0) {
3218 temp[1] += 1;
3219 if (temp[1] == 0) {
3220 temp[2] += 1;
3221 }
3222 }
3223
3224 temp128 = temp[2] & 0x01;
3225
3226 if ((temp128 != 0 || temp[1] != 0) &&
3227 (temp128 != 1 || temp[1] != ~0ull)) {
3228 set_DSPControl_overflow_flag(1, 23, env);
3229 }
3230
3231 return (int64_t)(int32_t)(temp[0] >> 1);
3232 }
3233
3234 target_ulong helper_dextr_rs_w(target_ulong ac, target_ulong shift,
3235 CPUMIPSState *env)
3236 {
3237 uint64_t temp[3];
3238 uint32_t temp128;
3239
3240 shift = shift & 0x3F;
3241 mipsdsp_rndrashift_acc(temp, ac, shift, env);
3242
3243 temp[0] += 1;
3244 if (temp[0] == 0) {
3245 temp[1] += 1;
3246 if (temp[1] == 0) {
3247 temp[2] += 1;
3248 }
3249 }
3250
3251 temp128 = temp[2] & 0x01;
3252
3253 if ((temp128 != 0 || temp[1] != 0) &&
3254 (temp128 != 1 || temp[1] != ~0ull)) {
3255 if (temp128 == 0) {
3256 temp[0] = 0x0FFFFFFFF;
3257 } else {
3258 temp[0] = 0x0100000000ULL;
3259 }
3260 set_DSPControl_overflow_flag(1, 23, env);
3261 }
3262
3263 return (int64_t)(int32_t)(temp[0] >> 1);
3264 }
3265
3266 target_ulong helper_dextr_l(target_ulong ac, target_ulong shift,
3267 CPUMIPSState *env)
3268 {
3269 uint64_t temp[3];
3270 target_ulong result;
3271
3272 shift = shift & 0x3F;
3273
3274 mipsdsp_rndrashift_acc(temp, ac, shift, env);
3275 result = (temp[1] << 63) | (temp[0] >> 1);
3276
3277 return result;
3278 }
3279
3280 target_ulong helper_dextr_r_l(target_ulong ac, target_ulong shift,
3281 CPUMIPSState *env)
3282 {
3283 uint64_t temp[3];
3284 uint32_t temp128;
3285 target_ulong result;
3286
3287 shift = shift & 0x3F;
3288 mipsdsp_rndrashift_acc(temp, ac, shift, env);
3289
3290 temp[0] += 1;
3291 if (temp[0] == 0) {
3292 temp[1] += 1;
3293 if (temp[1] == 0) {
3294 temp[2] += 1;
3295 }
3296 }
3297
3298 temp128 = temp[2] & 0x01;
3299
3300 if ((temp128 != 0 || temp[1] != 0) &&
3301 (temp128 != 1 || temp[1] != ~0ull)) {
3302 set_DSPControl_overflow_flag(1, 23, env);
3303 }
3304
3305 result = (temp[1] << 63) | (temp[0] >> 1);
3306
3307 return result;
3308 }
3309
3310 target_ulong helper_dextr_rs_l(target_ulong ac, target_ulong shift,
3311 CPUMIPSState *env)
3312 {
3313 uint64_t temp[3];
3314 uint32_t temp128;
3315 target_ulong result;
3316
3317 shift = shift & 0x3F;
3318 mipsdsp_rndrashift_acc(temp, ac, shift, env);
3319
3320 temp[0] += 1;
3321 if (temp[0] == 0) {
3322 temp[1] += 1;
3323 if (temp[1] == 0) {
3324 temp[2] += 1;
3325 }
3326 }
3327
3328 temp128 = temp[2] & 0x01;
3329
3330 if ((temp128 != 0 || temp[1] != 0) &&
3331 (temp128 != 1 || temp[1] != ~0ull)) {
3332 if (temp128 == 0) {
3333 temp[1] &= ~0x00ull - 1;
3334 temp[0] |= ~0x00ull - 1;
3335 } else {
3336 temp[1] |= 0x01;
3337 temp[0] &= 0x01;
3338 }
3339 set_DSPControl_overflow_flag(1, 23, env);
3340 }
3341 result = (temp[1] << 63) | (temp[0] >> 1);
3342
3343 return result;
3344 }
3345 #endif
3346
3347 target_ulong helper_extr_s_h(target_ulong ac, target_ulong shift,
3348 CPUMIPSState *env)
3349 {
3350 int64_t temp, acc;
3351
3352 shift = shift & 0x1F;
3353
3354 acc = ((int64_t)env->active_tc.HI[ac] << 32) |
3355 ((int64_t)env->active_tc.LO[ac] & 0xFFFFFFFF);
3356
3357 temp = acc >> shift;
3358
3359 if (temp > (int64_t)0x7FFF) {
3360 temp = 0x00007FFF;
3361 set_DSPControl_overflow_flag(1, 23, env);
3362 } else if (temp < (int64_t)0xFFFFFFFFFFFF8000ULL) {
3363 temp = 0xFFFF8000;
3364 set_DSPControl_overflow_flag(1, 23, env);
3365 }
3366
3367 return (target_long)(int32_t)(temp & 0xFFFFFFFF);
3368 }
3369
3370
3371 #if defined(TARGET_MIPS64)
3372 target_ulong helper_dextr_s_h(target_ulong ac, target_ulong shift,
3373 CPUMIPSState *env)
3374 {
3375 int64_t temp[2];
3376 uint32_t temp127;
3377
3378 shift = shift & 0x1F;
3379
3380 mipsdsp_rashift_acc((uint64_t *)temp, ac, shift, env);
3381
3382 temp127 = (temp[1] >> 63) & 0x01;
3383
3384 if ((temp127 == 0) && (temp[1] > 0 || temp[0] > 32767)) {
3385 temp[0] &= 0xFFFF0000;
3386 temp[0] |= 0x00007FFF;
3387 set_DSPControl_overflow_flag(1, 23, env);
3388 } else if ((temp127 == 1) &&
3389 (temp[1] < 0xFFFFFFFFFFFFFFFFll
3390 || temp[0] < 0xFFFFFFFFFFFF1000ll)) {
3391 temp[0] &= 0xFFFF0000;
3392 temp[0] |= 0x00008000;
3393 set_DSPControl_overflow_flag(1, 23, env);
3394 }
3395
3396 return (int64_t)(int16_t)(temp[0] & MIPSDSP_LO);
3397 }
3398
3399 #endif
3400
3401 target_ulong helper_extp(target_ulong ac, target_ulong size, CPUMIPSState *env)
3402 {
3403 int32_t start_pos;
3404 int sub;
3405 uint32_t temp;
3406 uint64_t acc;
3407
3408 size = size & 0x1F;
3409
3410 temp = 0;
3411 start_pos = get_DSPControl_pos(env);
3412 sub = start_pos - (size + 1);
3413 if (sub >= -1) {
3414 acc = ((uint64_t)env->active_tc.HI[ac] << 32) |
3415 ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
3416 temp = (acc >> (start_pos - size)) & (~0U >> (31 - size));
3417 set_DSPControl_efi(0, env);
3418 } else {
3419 set_DSPControl_efi(1, env);
3420 }
3421
3422 return (target_ulong)temp;
3423 }
3424
3425 target_ulong helper_extpdp(target_ulong ac, target_ulong size,
3426 CPUMIPSState *env)
3427 {
3428 int32_t start_pos;
3429 int sub;
3430 uint32_t temp;
3431 uint64_t acc;
3432
3433 size = size & 0x1F;
3434 temp = 0;
3435 start_pos = get_DSPControl_pos(env);
3436 sub = start_pos - (size + 1);
3437 if (sub >= -1) {
3438 acc = ((uint64_t)env->active_tc.HI[ac] << 32) |
3439 ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
3440 temp = extract64(acc, start_pos - size, size + 1);
3441
3442 set_DSPControl_pos(sub, env);
3443 set_DSPControl_efi(0, env);
3444 } else {
3445 set_DSPControl_efi(1, env);
3446 }
3447
3448 return (target_ulong)temp;
3449 }
3450
3451
3452 #if defined(TARGET_MIPS64)
3453 target_ulong helper_dextp(target_ulong ac, target_ulong size, CPUMIPSState *env)
3454 {
3455 int start_pos;
3456 int len;
3457 int sub;
3458 uint64_t tempB, tempA;
3459 uint64_t temp;
3460
3461 temp = 0;
3462
3463 size = size & 0x3F;
3464 start_pos = get_DSPControl_pos(env);
3465 len = start_pos - size;
3466 tempB = env->active_tc.HI[ac];
3467 tempA = env->active_tc.LO[ac];
3468
3469 sub = start_pos - (size + 1);
3470
3471 if (sub >= -1) {
3472 temp = (tempB << (64 - len)) | (tempA >> len);
3473 temp = temp & ((0x01 << (size + 1)) - 1);
3474 set_DSPControl_efi(0, env);
3475 } else {
3476 set_DSPControl_efi(1, env);
3477 }
3478
3479 return temp;
3480 }
3481
3482 target_ulong helper_dextpdp(target_ulong ac, target_ulong size,
3483 CPUMIPSState *env)
3484 {
3485 int start_pos;
3486 int len;
3487 int sub;
3488 uint64_t tempB, tempA;
3489 uint64_t temp;
3490
3491 temp = 0;
3492 size = size & 0x3F;
3493 start_pos = get_DSPControl_pos(env);
3494 len = start_pos - size;
3495 tempB = env->active_tc.HI[ac];
3496 tempA = env->active_tc.LO[ac];
3497
3498 sub = start_pos - (size + 1);
3499
3500 if (sub >= -1) {
3501 temp = (tempB << (64 - len)) | (tempA >> len);
3502 temp = temp & ((0x01 << (size + 1)) - 1);
3503 set_DSPControl_pos(sub, env);
3504 set_DSPControl_efi(0, env);
3505 } else {
3506 set_DSPControl_efi(1, env);
3507 }
3508
3509 return temp;
3510 }
3511
3512 #endif
3513
3514 void helper_shilo(target_ulong ac, target_ulong rs, CPUMIPSState *env)
3515 {
3516 int8_t rs5_0;
3517 uint64_t temp, acc;
3518
3519 rs5_0 = rs & 0x3F;
3520 rs5_0 = (int8_t)(rs5_0 << 2) >> 2;
3521
3522 if (unlikely(rs5_0 == 0)) {
3523 return;
3524 }
3525
3526 acc = (((uint64_t)env->active_tc.HI[ac] << 32) & MIPSDSP_LHI) |
3527 ((uint64_t)env->active_tc.LO[ac] & MIPSDSP_LLO);
3528
3529 if (rs5_0 > 0) {
3530 temp = acc >> rs5_0;
3531 } else {
3532 temp = acc << -rs5_0;
3533 }
3534
3535 env->active_tc.HI[ac] = (target_ulong)(int32_t)((temp & MIPSDSP_LHI) >> 32);
3536 env->active_tc.LO[ac] = (target_ulong)(int32_t)(temp & MIPSDSP_LLO);
3537 }
3538
3539 #if defined(TARGET_MIPS64)
3540 void helper_dshilo(target_ulong shift, target_ulong ac, CPUMIPSState *env)
3541 {
3542 int8_t shift_t;
3543 uint64_t tempB, tempA;
3544
3545 shift_t = (int8_t)(shift << 1) >> 1;
3546
3547 tempB = env->active_tc.HI[ac];
3548 tempA = env->active_tc.LO[ac];
3549
3550 if (shift_t != 0) {
3551 if (shift_t >= 0) {
3552 tempA = (tempB << (64 - shift_t)) | (tempA >> shift_t);
3553 tempB = tempB >> shift_t;
3554 } else {
3555 shift_t = -shift_t;
3556 tempB = (tempB << shift_t) | (tempA >> (64 - shift_t));
3557 tempA = tempA << shift_t;
3558 }
3559 }
3560
3561 env->active_tc.HI[ac] = tempB;
3562 env->active_tc.LO[ac] = tempA;
3563 }
3564
3565 #endif
3566 void helper_mthlip(target_ulong ac, target_ulong rs, CPUMIPSState *env)
3567 {
3568 int32_t tempA, tempB, pos;
3569
3570 tempA = rs;
3571 tempB = env->active_tc.LO[ac];
3572 env->active_tc.HI[ac] = (target_long)tempB;
3573 env->active_tc.LO[ac] = (target_long)tempA;
3574 pos = get_DSPControl_pos(env);
3575
3576 if (pos > 32) {
3577 return;
3578 } else {
3579 set_DSPControl_pos(pos + 32, env);
3580 }
3581 }
3582
3583 #if defined(TARGET_MIPS64)
3584 void helper_dmthlip(target_ulong rs, target_ulong ac, CPUMIPSState *env)
3585 {
3586 uint8_t ac_t;
3587 uint8_t pos;
3588 uint64_t tempB, tempA;
3589
3590 ac_t = ac & 0x3;
3591
3592 tempA = rs;
3593 tempB = env->active_tc.LO[ac_t];
3594
3595 env->active_tc.HI[ac_t] = tempB;
3596 env->active_tc.LO[ac_t] = tempA;
3597
3598 pos = get_DSPControl_pos(env);
3599
3600 if (pos <= 64) {
3601 pos = pos + 64;
3602 set_DSPControl_pos(pos, env);
3603 }
3604 }
3605 #endif
3606
3607 void cpu_wrdsp(uint32_t rs, uint32_t mask_num, CPUMIPSState *env)
3608 {
3609 uint8_t mask[6];
3610 uint8_t i;
3611 uint32_t newbits, overwrite;
3612 target_ulong dsp;
3613
3614 newbits = 0x00;
3615 overwrite = 0xFFFFFFFF;
3616 dsp = env->active_tc.DSPControl;
3617
3618 for (i = 0; i < 6; i++) {
3619 mask[i] = (mask_num >> i) & 0x01;
3620 }
3621
3622 if (mask[0] == 1) {
3623 #if defined(TARGET_MIPS64)
3624 overwrite &= 0xFFFFFF80;
3625 newbits &= 0xFFFFFF80;
3626 newbits |= 0x0000007F & rs;
3627 #else
3628 overwrite &= 0xFFFFFFC0;
3629 newbits &= 0xFFFFFFC0;
3630 newbits |= 0x0000003F & rs;
3631 #endif
3632 }
3633
3634 if (mask[1] == 1) {
3635 overwrite &= 0xFFFFE07F;
3636 newbits &= 0xFFFFE07F;
3637 newbits |= 0x00001F80 & rs;
3638 }
3639
3640 if (mask[2] == 1) {
3641 overwrite &= 0xFFFFDFFF;
3642 newbits &= 0xFFFFDFFF;
3643 newbits |= 0x00002000 & rs;
3644 }
3645
3646 if (mask[3] == 1) {
3647 overwrite &= 0xFF00FFFF;
3648 newbits &= 0xFF00FFFF;
3649 newbits |= 0x00FF0000 & rs;
3650 }
3651
3652 if (mask[4] == 1) {
3653 overwrite &= 0x00FFFFFF;
3654 newbits &= 0x00FFFFFF;
3655 #if defined(TARGET_MIPS64)
3656 newbits |= 0xFF000000 & rs;
3657 #else
3658 newbits |= 0x0F000000 & rs;
3659 #endif
3660 }
3661
3662 if (mask[5] == 1) {
3663 overwrite &= 0xFFFFBFFF;
3664 newbits &= 0xFFFFBFFF;
3665 newbits |= 0x00004000 & rs;
3666 }
3667
3668 dsp = dsp & overwrite;
3669 dsp = dsp | newbits;
3670 env->active_tc.DSPControl = dsp;
3671 }
3672
3673 void helper_wrdsp(target_ulong rs, target_ulong mask_num, CPUMIPSState *env)
3674 {
3675 return cpu_wrdsp(rs, mask_num, env);
3676 }
3677
3678 uint32_t cpu_rddsp(uint32_t mask_num, CPUMIPSState *env)
3679 {
3680 uint8_t mask[6];
3681 uint32_t ruler, i;
3682 target_ulong temp;
3683 target_ulong dsp;
3684
3685 ruler = 0x01;
3686 for (i = 0; i < 6; i++) {
3687 mask[i] = (mask_num & ruler) >> i ;
3688 ruler = ruler << 1;
3689 }
3690
3691 temp = 0x00;
3692 dsp = env->active_tc.DSPControl;
3693
3694 if (mask[0] == 1) {
3695 #if defined(TARGET_MIPS64)
3696 temp |= dsp & 0x7F;
3697 #else
3698 temp |= dsp & 0x3F;
3699 #endif
3700 }
3701
3702 if (mask[1] == 1) {
3703 temp |= dsp & 0x1F80;
3704 }
3705
3706 if (mask[2] == 1) {
3707 temp |= dsp & 0x2000;
3708 }
3709
3710 if (mask[3] == 1) {
3711 temp |= dsp & 0x00FF0000;
3712 }
3713
3714 if (mask[4] == 1) {
3715 #if defined(TARGET_MIPS64)
3716 temp |= dsp & 0xFF000000;
3717 #else
3718 temp |= dsp & 0x0F000000;
3719 #endif
3720 }
3721
3722 if (mask[5] == 1) {
3723 temp |= dsp & 0x4000;
3724 }
3725
3726 return temp;
3727 }
3728
3729 target_ulong helper_rddsp(target_ulong mask_num, CPUMIPSState *env)
3730 {
3731 return cpu_rddsp(mask_num, env);
3732 }
3733
3734
3735 #undef MIPSDSP_LHI
3736 #undef MIPSDSP_LLO
3737 #undef MIPSDSP_HI
3738 #undef MIPSDSP_LO
3739 #undef MIPSDSP_Q3
3740 #undef MIPSDSP_Q2
3741 #undef MIPSDSP_Q1
3742 #undef MIPSDSP_Q0
3743
3744 #undef MIPSDSP_SPLIT32_8
3745 #undef MIPSDSP_SPLIT32_16
3746
3747 #undef MIPSDSP_RETURN32_8
3748 #undef MIPSDSP_RETURN32_16
3749
3750 #ifdef TARGET_MIPS64
3751 #undef MIPSDSP_SPLIT64_16
3752 #undef MIPSDSP_SPLIT64_32
3753 #undef MIPSDSP_RETURN64_16
3754 #undef MIPSDSP_RETURN64_32
3755 #endif
AR7 emulation for QEMU