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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [sim/] [mips/] [dsp2.igen] - Blame information for rev 258

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1 24 jeremybenn
// -*- C -*-
2
 
3
// Simulator definition for the MIPS DSP REV 2 ASE.
4
// Copyright (C) 2007 Free Software Foundation, Inc.
5
// Contributed by MIPS Technologies, Inc.
6
// Written by Chao-ying Fu (fu@mips.com).
7
//
8
// This file is part of GDB, the GNU debugger.
9
//
10
// This program is free software; you can redistribute it and/or modify
11
// it under the terms of the GNU General Public License as published by
12
// the Free Software Foundation; either version 3 of the License, or
13
// (at your option) any later version.
14
//
15
// This program is distributed in the hope that it will be useful,
16
// but WITHOUT ANY WARRANTY; without even the implied warranty of
17
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18
// GNU General Public License for more details.
19
//
20
// You should have received a copy of the GNU General Public License
21
// along with this program.  If not, see .
22
 
23
 
24
// op: 0 = ADD, 1 = SUB
25
// sat: 0 = no saturation, 1 = saturation
26
:function:::void:do_u_ph_op:int rd, int rs, int rt, int op, int sat
27
{
28
  int i;
29
  unsigned32 h0;
30
  unsigned16 h1, h2;
31
  unsigned32 v1 = GPR[rs];
32
  unsigned32 v2 = GPR[rt];
33
  unsigned32 result = 0;
34
  for (i = 0; i < 32; i += 16, v1 >>= 16, v2 >>= 16)
35
    {
36
      h1 = (unsigned16)(v1 & 0xffff);
37
      h2 = (unsigned16)(v2 & 0xffff);
38
      if (op == 0) // ADD
39
        h0 = (unsigned32)h1 + (unsigned32)h2;
40
      else // SUB
41
        h0 = (unsigned32)h1 - (unsigned32)h2;
42
      if (op == 0 && (h0 > (unsigned32)0x0000ffff)) // ADD SAT
43
        {
44
          DSPCR |= DSPCR_OUFLAG4;
45
          if (sat == 1)
46
            h0 = 0xffff;
47
        }
48
      else if (op == 1 && h1 < h2) // SUB SAT
49
        {
50
          DSPCR |= DSPCR_OUFLAG4;
51
          if (sat == 1)
52
            h0 = 0x0;
53
        }
54
      result |= ((unsigned32)((unsigned16)h0) << i);
55
    }
56
  GPR[rd] = EXTEND32 (result);
57
}
58
 
59
// op: 0 = ADD, 1 = SUB
60
// round: 0 = no rounding, 1 = rounding
61
:function:::void:do_uh_qb_op:int rd, int rs, int rt, int op, int round
62
{
63
  int i;
64
  unsigned32 h0;
65
  unsigned8 h1, h2;
66
  unsigned32 v1 = GPR[rs];
67
  unsigned32 v2 = GPR[rt];
68
  unsigned32 result = 0;
69
  for (i = 0; i < 32; i += 8, v1 >>= 8, v2 >>= 8)
70
    {
71
      h1 = (unsigned8)(v1 & 0xff);
72
      h2 = (unsigned8)(v2 & 0xff);
73
      if (op == 0) // ADD
74
        h0 = (unsigned32)h1 + (unsigned32)h2;
75
      else // SUB
76
        h0 = (unsigned32)h1 - (unsigned32)h2;
77
      if (round == 1)
78
        h0 = (h0 + 1) >> 1;
79
      else
80
        h0 = h0 >> 1;
81
      result |= ((unsigned32)((unsigned8)h0) << i);
82
    }
83
  GPR[rd] = EXTEND32 (result);
84
}
85
 
86
// op: 0 = EQ, 1 = LT, 2 = LE
87
:function:::void:do_qb_cmpgdu:int rd, int rs, int rt, int op
88
{
89
  int i, j;
90
  unsigned32 v1 = GPR[rs];
91
  unsigned32 v2 = GPR[rt];
92
  unsigned8 h1, h2;
93
  unsigned32 result = 0;
94
  unsigned32 mask;
95
  for (i = 0, j = 0; i < 32; i += 8, j++, v1 >>= 8, v2 >>= 8)
96
    {
97
      h1 = (unsigned8)(v1 & 0xff);
98
      h2 = (unsigned8)(v2 & 0xff);
99
      mask = ~(1 << (DSPCR_CCOND_SHIFT + j));
100
      DSPCR &= mask;
101
      if (op == 0) // EQ
102
        {
103
          result |= ((h1 == h2) << j);
104
          DSPCR |= ((h1 == h2) << (DSPCR_CCOND_SHIFT + j));
105
        }
106
      else if (op == 1) // LT
107
        {
108
          result |= ((h1 < h2) << j);
109
          DSPCR |= ((h1 < h2) << (DSPCR_CCOND_SHIFT + j));
110
        }
111
      else // LE
112
        {
113
          result |= ((h1 <= h2) << j);
114
          DSPCR |= ((h1 <= h2) << (DSPCR_CCOND_SHIFT + j));
115
        }
116
    }
117
  GPR[rd] = EXTEND32 (result);
118
}
119
 
120
// op: 0 = DPA 1 = DPS
121
:function:::void:do_w_ph_dot_product:int ac, int rs, int rt, int op
122
{
123
  int i;
124
  unsigned32 v1 = GPR[rs];
125
  unsigned32 v2 = GPR[rt];
126
  signed16 h1, h2;
127
  signed32 result;
128
  unsigned32 lo = DSPLO(ac);
129
  unsigned32 hi = DSPHI(ac);
130
  signed64 prod = (signed64)((((unsigned64)hi) << 32) + (unsigned64)lo);
131
  for (i = 0; i < 32; i += 16, v1 >>= 16, v2 >>= 16)
132
    {
133
      h1 = (signed16)(v1 & 0xffff);
134
      h2 = (signed16)(v2 & 0xffff);
135
      result = (signed32)h1 * (signed32)h2;
136
      if (op == 0) // DPA
137
        prod += (signed64)result;
138
      else // DPS
139
        prod -= (signed64)result;
140
    }
141
  DSPLO(ac) = EXTEND32 (prod);
142
  DSPHI(ac) = EXTEND32 (prod >> 32);
143
}
144
 
145
// round: 0 = no rounding, 1 = rounding
146
:function:::void:do_w_mulq:int rd, int rs, int rt, int round
147
{
148
  unsigned32 v1 = GPR[rs];
149
  unsigned32 v2 = GPR[rt];
150
  signed32 w1, w2;
151
  signed64 prod;
152
  unsigned32 result;
153
  w1 = (signed32) v1;
154
  w2 = (signed32 )v2;
155
  if (w1 == (signed32) 0x80000000 && w2 == (signed32) 0x80000000)
156
    {
157
      DSPCR |= DSPCR_OUFLAG5;
158
      prod = 0x7fffffff;
159
    }
160
  else
161
    {
162
      prod = ((signed64) w1 * (signed64) w2) << 1;
163
      if (round == 1)
164
        prod += 0x0000000080000000LL;
165
      prod = prod >> 32;
166
    }
167
  result = (unsigned32) prod;
168
  GPR[rd] = EXTEND32 (result);
169
}
170
 
171
// round: 0 = no rounding, 1 = rounding
172
:function:::void:do_precr_sra:int rt, int rs, int sa, int round
173
{
174
  unsigned32 v1 = GPR[rt];
175
  unsigned32 v2 = GPR[rs];
176
  signed32 w1 = (signed32) v1;
177
  signed32 w2 = (signed32) v2;
178
  signed32 result;
179
  if (sa != 0)
180
    {
181
      if (round == 1 && (w1 & (1 << (sa - 1))))
182
        w1 = (w1 >> sa) + 1;
183
      else
184
        w1 = w1 >> sa;
185
 
186
      if (round == 1 && (w2 & (1 << (sa - 1))))
187
        w2 = (w2 >> sa) + 1;
188
      else
189
        w2 = w2 >> sa;
190
    }
191
  result = (w1 << 16) | (w2 & 0xffff);
192
  GPR[rt] = EXTEND32 (result);
193
}
194
 
195
// round: 0 = no rounding, 1 = rounding
196
:function:::void:do_qb_shra:int rd, int rt, int shift, int round
197
{
198
  int i, j;
199
  signed8 q0;
200
  unsigned32 v1 = GPR[rt];
201
  unsigned32 result = 0;
202
  for (i = 0; i < 32; i += 8, v1 >>= 8)
203
    {
204
      q0 = (signed8)(v1 & 0xff);
205
      if (shift != 0)
206
        {
207
          if (round == 1 && (q0 & (1 << (shift - 1))))
208
            q0 = (q0 >> shift) + 1;
209
          else
210
            q0 = q0 >> shift;
211
        }
212
      result |= ((unsigned32)((unsigned8)q0) << i);
213
    }
214
  GPR[rd] = EXTEND32 (result);
215
}
216
 
217
:function:::void:do_ph_shrl:int rd, int rt, int shift
218
{
219
  int i, j;
220
  unsigned16 h0;
221
  unsigned32 v1 = GPR[rt];
222
  unsigned32 result = 0;
223
  for (i = 0; i < 32; i += 16, v1 >>= 16)
224
    {
225
      h0 = (unsigned16)(v1 & 0xffff);
226
      h0 = h0 >> shift;
227
      result |= ((unsigned32)h0 << i);
228
    }
229
  GPR[rd] = EXTEND32 (result);
230
}
231
 
232
// op: 0 = ADD, 1 = SUB
233
// round: 0 = no rounding, 1 = rounding
234
:function:::void:do_qh_ph_op:int rd, int rs, int rt, int op, int round
235
{
236
  int i;
237
  signed32 h0;
238
  signed16 h1, h2;
239
  unsigned32 v1 = GPR[rs];
240
  unsigned32 v2 = GPR[rt];
241
  unsigned32 result = 0;
242
  for (i = 0; i < 32; i += 16, v1 >>= 16, v2 >>= 16)
243
    {
244
      h1 = (signed16)(v1 & 0xffff);
245
      h2 = (signed16)(v2 & 0xffff);
246
      if (op == 0) // ADD
247
        h0 = (signed32)h1 + (signed32)h2;
248
      else // SUB
249
        h0 = (signed32)h1 - (signed32)h2;
250
      if (round == 1)
251
        h0 = (h0 + 1) >> 1;
252
      else
253
        h0 = h0 >> 1;
254
      result |= ((unsigned32)((unsigned16)h0) << i);
255
    }
256
  GPR[rd] = EXTEND32 (result);
257
}
258
 
259
// op: 0 = ADD, 1 = SUB
260
// round: 0 = no rounding, 1 = rounding
261
:function:::void:do_qh_w_op:int rd, int rs, int rt, int op, int round
262
{
263
  int i;
264
  signed64 v0;
265
  signed32 v1 = (signed32)GPR[rs];
266
  signed32 v2 = (signed32)GPR[rt];
267
  if (op == 0) // ADD
268
    v0 = (signed64)v1 + (signed64)v2;
269
  else // SUB
270
    v0 = (signed64)v1 - (signed64)v2;
271
  if (round == 1)
272
    v0 = (v0 + 1) >> 1;
273
  else
274
    v0 = v0 >> 1;
275
  GPR[rd] = EXTEND32 (v0);
276
}
277
 
278
// op: 0 = DPAX, 1 = DPSX
279
:function:::void:do_x_w_ph_dot_product:int ac, int rs, int rt, int op
280
{
281
  int i;
282
  unsigned32 v1 = GPR[rs];
283
  unsigned32 v2 = GPR[rt];
284
  signed16 h1, h2;
285
  signed32 result;
286
  unsigned32 lo = DSPLO(ac);
287
  unsigned32 hi = DSPHI(ac);
288
  signed64 prod = (signed64)((((unsigned64)hi) << 32) + (unsigned64)lo);
289
  for (i = 0; i < 32; i += 16, v1 >>= 16, v2 <<= 16)
290
    {
291
      h1 = (signed16)(v1 & 0xffff);
292
      h2 = (signed16)((v2 & 0xffff0000) >> 16);
293
      result = (signed32)h1 * (signed32)h2;
294
      if (op == 0) // DPAX
295
        prod += (signed64)result;
296
      else // DPSX
297
        prod -= (signed64)result;
298
    }
299
  DSPLO(ac) = EXTEND32 (prod);
300
  DSPHI(ac) = EXTEND32 (prod >> 32);
301
}
302
 
303
// op: 0 = DPAQX, 1 = DPSQX
304
// sat: 0 = no saturation, 1 = saturation of the accumulator
305
:function:::void:do_qx_w_ph_dot_product:int ac, int rs, int rt, int op, int sat
306
{
307
  int i;
308
  unsigned32 v1 = GPR[rs];
309
  unsigned32 v2 = GPR[rt];
310
  signed16 h1, h2;
311
  signed32 result;
312
  unsigned32 lo = DSPLO(ac);
313
  unsigned32 hi = DSPHI(ac);
314
  signed64 prod = (signed64)((((unsigned64)hi) << 32) + (unsigned64)lo);
315
  signed64 max, min;
316
  for (i = 0; i < 32; i += 16, v1 >>= 16, v2 <<= 16)
317
    {
318
      h1 = (signed16)(v1 & 0xffff);
319
      h2 = (signed16)((v2 & 0xffff0000) >> 16);
320
      if (h1 == (signed16)0x8000 && h2 == (signed16)0x8000)
321
        {
322
          DSPCR |= (1 << (DSPCR_OUFLAG_SHIFT + ac));
323
          result = 0x7fffffff;
324
        }
325
      else
326
        result = ((signed32)h1 * (signed32)h2) << 1;
327
      if (op == 0) // DPAQX
328
        prod += (signed64)result;
329
      else // DPSQX
330
        prod -= (signed64)result;
331
    }
332
  // Saturation on the accumulator.
333
  if (sat == 1)
334
    {
335
      max = (signed64) 0x7fffffffLL;
336
      min = (signed64) 0xffffffff80000000LL;
337
      if (prod > max)
338
        {
339
          DSPCR |= (1 << (DSPCR_OUFLAG_SHIFT + ac));
340
          prod = max;
341
        }
342
      else if (prod < min)
343
        {
344
          DSPCR |= (1 << (DSPCR_OUFLAG_SHIFT + ac));
345
          prod = min;
346
        }
347
    }
348
  DSPLO(ac) = EXTEND32 (prod);
349
  DSPHI(ac) = EXTEND32 (prod >> 32);
350
}
351
 
352
011111,00000,5.RT,5.RD,00001,010010:SPECIAL3:32::ABSQ_S.QB
353
"absq_s.qb r, r"
354
*dsp2:
355
{
356
  int i;
357
  signed8 q0;
358
  unsigned32 v1 = GPR[RT];
359
  unsigned32 result = 0;
360
  for (i = 0; i < 32; i += 8, v1 >>= 8)
361
    {
362
      q0 = (signed8)(v1 & 0xff);
363
      if (q0 == (signed8)0x80)
364
        {
365
          DSPCR |= DSPCR_OUFLAG4;
366
          q0 = 0x7f;
367
        }
368
      else if (q0 & 0x80)
369
        q0 = -q0;
370
      result |= ((unsigned32)((unsigned8)q0) << i);
371
    }
372
  GPR[RD] = EXTEND32 (result);
373
}
374
 
375
011111,5.RS,5.RT,5.RD,01000,010000:SPECIAL3:32::ADDU.PH
376
"addu.ph r, r, r"
377
*dsp2:
378
{
379
  do_u_ph_op (SD_, RD, RS, RT, 0, 0);
380
}
381
 
382
011111,5.RS,5.RT,5.RD,01100,010000:SPECIAL3:32::ADDU_S.PH
383
"addu_s.ph r, r, r"
384
*dsp2:
385
{
386
  do_u_ph_op (SD_, RD, RS, RT, 0, 1);
387
}
388
 
389
011111,5.RS,5.RT,5.RD,00000,011000:SPECIAL3:32::ADDUH.QB
390
"adduh.qb r, r, r"
391
*dsp2:
392
{
393
  do_uh_qb_op (SD_, RD, RS, RT, 0, 0);
394
}
395
 
396
011111,5.RS,5.RT,5.RD,00010,011000:SPECIAL3:32::ADDUH_R.QB
397
"adduh_r.qb r, r, r"
398
*dsp2:
399
{
400
  do_uh_qb_op (SD_, RD, RS, RT, 0, 1);
401
}
402
 
403
011111,5.RS,5.RT,5.SA,00000,110001:SPECIAL3:32::APPEND
404
"append r, r, "
405
*dsp2:
406
{
407
  unsigned32 v0 = GPR[RS];
408
  unsigned32 v1 = GPR[RT];
409
  unsigned32 result;
410
  unsigned32 mask = (1 << SA) - 1;
411
  result = (v1 << SA) | (v0 & mask);
412
  GPR[RT] = EXTEND32 (result);
413
}
414
 
415
011111,5.RS,5.RT,000,2.BP,10000,110001:SPECIAL3:32::BALIGN
416
"balign r, r, "
417
*dsp2:
418
{
419
  unsigned32 v0 = GPR[RS];
420
  unsigned32 v1 = GPR[RT];
421
  unsigned32 result;
422
  if (BP == 0)
423
    result = v1;
424
  else
425
    result = (v1 << 8 * BP) | (v0 >> 8 * (4 - BP));
426
  GPR[RT] = EXTEND32 (result);
427
}
428
 
429
011111,5.RS,5.RT,5.RD,11000,010001:SPECIAL3:32::CMPGDU.EQ.QB
430
"cmpgdu.eq.qb r, r, r"
431
*dsp2:
432
{
433
  do_qb_cmpgdu (SD_, RD, RS, RT, 0);
434
}
435
 
436
011111,5.RS,5.RT,5.RD,11001,010001:SPECIAL3:32::CMPGDU.LT.QB
437
"cmpgdu.lt.qb r, r, r"
438
*dsp2:
439
{
440
  do_qb_cmpgdu (SD_, RD, RS, RT, 1);
441
}
442
 
443
011111,5.RS,5.RT,5.RD,11010,010001:SPECIAL3:32::CMPGDU.LE.QB
444
"cmpgdu.le.qb r, r, r"
445
*dsp2:
446
{
447
  do_qb_cmpgdu (SD_, RD, RS, RT, 2);
448
}
449
 
450
011111,5.RS,5.RT,000,2.AC,00000,110000:SPECIAL3:32::DPA.W.PH
451
"dpa.w.ph ac, r, r"
452
*dsp2:
453
{
454
  do_w_ph_dot_product (SD_, AC, RS, RT, 0);
455
}
456
 
457
011111,5.RS,5.RT,000,2.AC,00001,110000:SPECIAL3:32::DPS.W.PH
458
"dps.w.ph ac, r, r"
459
*dsp2:
460
{
461
  do_w_ph_dot_product (SD_, AC, RS, RT, 1);
462
}
463
 
464
011111,5.RS,5.RT,5.RD,01100,011000:SPECIAL3:32::MUL.PH
465
"mul.ph r, r, r"
466
*dsp2:
467
{
468
  do_ph_op (SD_, RD, RS, RT, 2, 0);
469
}
470
 
471
011111,5.RS,5.RT,5.RD,01110,011000:SPECIAL3:32::MUL_S.PH
472
"mul_s.ph r, r, r"
473
*dsp2:
474
{
475
  do_ph_op (SD_, RD, RS, RT, 2, 1);
476
}
477
 
478
011111,5.RS,5.RT,5.RD,10111,011000:SPECIAL3:32::MULQ_RS.W
479
"mulq_rs.w r, r, r"
480
*dsp2:
481
{
482
  do_w_mulq (SD_, RD, RS, RT, 1);
483
}
484
 
485
011111,5.RS,5.RT,5.RD,11110,010000:SPECIAL3:32::MULQ_S.PH
486
"mulq_s.ph r, r, r"
487
*dsp2:
488
{
489
  do_ph_mulq (SD_, RD, RS, RT, 0);
490
}
491
 
492
011111,5.RS,5.RT,5.RD,10110,011000:SPECIAL3:32::MULQ_S.W
493
"mulq_s.w r, r, r"
494
*dsp2:
495
{
496
  do_w_mulq (SD_, RD, RS, RT, 0);
497
}
498
 
499
011111,5.RS,5.RT,000,2.AC,00010,110000:SPECIAL3:32::MULSA.W.PH
500
"mulsa.w.ph ac, r, r"
501
*dsp2:
502
{
503
  int i;
504
  unsigned32 v1 = GPR[RS];
505
  unsigned32 v2 = GPR[RT];
506
  signed16 h1, h2;
507
  signed32 result;
508
  unsigned32 lo = DSPLO(AC);
509
  unsigned32 hi = DSPHI(AC);
510
  signed64 prod = (signed64)((((unsigned64)hi) << 32) + (unsigned64)lo);
511
  for (i = 0; i < 32; i += 16, v1 >>= 16, v2 >>= 16)
512
    {
513
      h1 = (signed16)(v1 & 0xffff);
514
      h2 = (signed16)(v2 & 0xffff);
515
      result = (signed32)h1 * (signed32)h2;
516
 
517
      if (i == 0)
518
        prod -= (signed64) result;
519
      else
520
        prod += (signed64) result;
521
    }
522
  DSPLO(AC) = EXTEND32 (prod);
523
  DSPHI(AC) = EXTEND32 (prod >> 32);
524
}
525
 
526
011111,5.RS,5.RT,5.RD,01101,010001:SPECIAL3:32::PRECR.QB.PH
527
"precr.qb.ph r, r, r"
528
*dsp2:
529
{
530
  unsigned32 v1 = GPR[RS];
531
  unsigned32 v2 = GPR[RT];
532
  unsigned32 tempu = (v1 & 0xff0000) >> 16;
533
  unsigned32 tempv = (v1 & 0xff);
534
  unsigned32 tempw = (v2 & 0xff0000) >> 16;
535
  unsigned32 tempx = (v2 & 0xff);
536
  GPR[RD] = EXTEND32 ((tempu << 24) | (tempv << 16) | (tempw << 8) | tempx);
537
}
538
 
539
011111,5.RS,5.RT,5.SA,11110,010001:SPECIAL3:32::PRECR_SRA.PH.W
540
"precr_sra.ph.w r, r, "
541
*dsp2:
542
{
543
  do_precr_sra (SD_, RT, RS, SA, 0);
544
}
545
 
546
011111,5.RS,5.RT,5.SA,11111,010001:SPECIAL3:32::PRECR_SRA_R.PH.W
547
"precr_sra_r.ph.w r, r, "
548
*dsp2:
549
{
550
  do_precr_sra (SD_, RT, RS, SA, 1);
551
}
552
 
553
011111,5.RS,5.RT,5.SA,00001,110001:SPECIAL3:32::PREPEND
554
"prepend r, r, "
555
*dsp2:
556
{
557
  unsigned32 v0 = GPR[RS];
558
  unsigned32 v1 = GPR[RT];
559
  unsigned32 result;
560
  if (SA == 0)
561
    result = v1;
562
  else
563
    result = (v0 << (32 - SA)) | (v1 >> SA);
564
  GPR[RT] = EXTEND32 (result);
565
}
566
 
567
011111,00,3.SHIFT3,5.RT,5.RD,00100,010011:SPECIAL3:32::SHRA.QB
568
"shra.qb r, r, "
569
*dsp2:
570
{
571
  do_qb_shra (SD_, RD, RT, SHIFT3, 0);
572
}
573
 
574
011111,00,3.SHIFT3,5.RT,5.RD,00101,010011:SPECIAL3:32::SHRA_R.QB
575
"shra_r.qb r, r, "
576
*dsp2:
577
{
578
  do_qb_shra (SD_, RD, RT, SHIFT3, 1);
579
}
580
 
581
011111,5.RS,5.RT,5.RD,00110,010011:SPECIAL3:32::SHRAV.QB
582
"shrav.qb r, r, r"
583
*dsp2:
584
{
585
  unsigned32 shift = GPR[RS] & 0x7;
586
  do_qb_shra (SD_, RD, RT, shift, 0);
587
}
588
 
589
011111,5.RS,5.RT,5.RD,00111,010011:SPECIAL3:32::SHRAV_R.QB
590
"shrav_r.qb r, r, r"
591
*dsp2:
592
{
593
  unsigned32 shift = GPR[RS] & 0x7;
594
  do_qb_shra (SD_, RD, RT, shift, 1);
595
}
596
 
597
011111,0,4.SHIFT4,5.RT,5.RD,11001,010011:SPECIAL3:32::SHRL.PH
598
"shrl.ph r, r, "
599
*dsp2:
600
{
601
  do_ph_shrl (SD_, RD, RT, SHIFT4);
602
}
603
 
604
011111,5.RS,5.RT,5.RD,11011,010011:SPECIAL3:32::SHRLV.PH
605
"shrlv.ph r, r, r"
606
*dsp2:
607
{
608
  unsigned32 shift = GPR[RS] & 0xf;
609
  do_ph_shrl (SD_, RD, RT, shift);
610
}
611
 
612
011111,5.RS,5.RT,5.RD,01001,010000:SPECIAL3:32::SUBU.PH
613
"subu.ph r, r, r"
614
*dsp2:
615
{
616
  do_u_ph_op (SD_, RD, RS, RT, 1, 0);
617
}
618
 
619
011111,5.RS,5.RT,5.RD,01101,010000:SPECIAL3:32::SUBU_S.PH
620
"subu_s.ph r, r, r"
621
*dsp2:
622
{
623
  do_u_ph_op (SD_, RD, RS, RT, 1, 1);
624
}
625
 
626
011111,5.RS,5.RT,5.RD,00001,011000:SPECIAL3:32::SUBUH.QB
627
"subuh.qb r, r, r"
628
*dsp2:
629
{
630
  do_uh_qb_op (SD_, RD, RS, RT, 1, 0);
631
}
632
 
633
011111,5.RS,5.RT,5.RD,00011,011000:SPECIAL3:32::SUBUH_R.QB
634
"subuh_r.qb r, r, r"
635
*dsp2:
636
{
637
  do_uh_qb_op (SD_, RD, RS, RT, 1, 1);
638
}
639
 
640
011111,5.RS,5.RT,5.RD,01000,011000:SPECIAL3:32::ADDQH.PH
641
"addqh.ph r, r, r"
642
*dsp2:
643
{
644
  do_qh_ph_op (SD_, RD, RS, RT, 0, 0);
645
}
646
 
647
011111,5.RS,5.RT,5.RD,01010,011000:SPECIAL3:32::ADDQH_R.PH
648
"addqh_r.ph r, r, r"
649
*dsp2:
650
{
651
  do_qh_ph_op (SD_, RD, RS, RT, 0, 1);
652
}
653
 
654
011111,5.RS,5.RT,5.RD,10000,011000:SPECIAL3:32::ADDQH.W
655
"addqh.w r, r, r"
656
*dsp2:
657
{
658
  do_qh_w_op (SD_, RD, RS, RT, 0, 0);
659
}
660
 
661
011111,5.RS,5.RT,5.RD,10010,011000:SPECIAL3:32::ADDQH_R.W
662
"addqh_r.w r, r, r"
663
*dsp2:
664
{
665
  do_qh_w_op (SD_, RD, RS, RT, 0, 1);
666
}
667
 
668
011111,5.RS,5.RT,5.RD,01001,011000:SPECIAL3:32::SUBQH.PH
669
"subqh.ph r, r, r"
670
*dsp2:
671
{
672
  do_qh_ph_op (SD_, RD, RS, RT, 1, 0);
673
}
674
 
675
011111,5.RS,5.RT,5.RD,01011,011000:SPECIAL3:32::SUBQH_R.PH
676
"subqh_r.ph r, r, r"
677
*dsp2:
678
{
679
  do_qh_ph_op (SD_, RD, RS, RT, 1, 1);
680
}
681
 
682
011111,5.RS,5.RT,5.RD,10001,011000:SPECIAL3:32::SUBQH.W
683
"subqh.w r, r, r"
684
*dsp2:
685
{
686
  do_qh_w_op (SD_, RD, RS, RT, 1, 0);
687
}
688
 
689
011111,5.RS,5.RT,5.RD,10011,011000:SPECIAL3:32::SUBQH_R.W
690
"subqh_r.w r, r, r"
691
*dsp2:
692
{
693
  do_qh_w_op (SD_, RD, RS, RT, 1, 1);
694
}
695
 
696
011111,5.RS,5.RT,000,2.AC,01000,110000:SPECIAL3:32::DPAX.W.PH
697
"dpax.w.ph ac, r, r"
698
*dsp2:
699
{
700
  do_x_w_ph_dot_product (SD_, AC, RS, RT, 0);
701
}
702
 
703
011111,5.RS,5.RT,000,2.AC,01001,110000:SPECIAL3:32::DPSX.W.PH
704
"dpsx.w.ph ac, r, r"
705
*dsp2:
706
{
707
  do_x_w_ph_dot_product (SD_, AC, RS, RT, 1);
708
}
709
 
710
011111,5.RS,5.RT,000,2.AC,11000,110000:SPECIAL3:32::DPAQX_S.W.PH
711
"dpaqx_s.w.ph ac, r, r"
712
*dsp2:
713
{
714
  do_qx_w_ph_dot_product (SD_, AC, RS, RT, 0, 0);
715
}
716
 
717
011111,5.RS,5.RT,000,2.AC,11010,110000:SPECIAL3:32::DPAQX_SA.W.PH
718
"dpaqx_sa.w.ph ac, r, r"
719
*dsp2:
720
{
721
  do_qx_w_ph_dot_product (SD_, AC, RS, RT, 0, 1);
722
}
723
 
724
011111,5.RS,5.RT,000,2.AC,11001,110000:SPECIAL3:32::DPSQX_S.W.PH
725
"dpsqx_s.w.ph ac, r, r"
726
*dsp2:
727
{
728
  do_qx_w_ph_dot_product (SD_, AC, RS, RT, 1, 0);
729
}
730
 
731
011111,5.RS,5.RT,000,2.AC,11011,110000:SPECIAL3:32::DPSQX_SA.W.PH
732
"dpsqx_sa.w.ph ac, r, r"
733
*dsp2:
734
{
735
  do_qx_w_ph_dot_product (SD_, AC, RS, RT, 1, 1);
736
}

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